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authorIngo Molnar <mingo@elte.hu>2009-03-28 04:21:18 +0100
committerIngo Molnar <mingo@elte.hu>2009-03-28 04:26:01 +0100
commit82268da1b130f763d22d04f7d016bbf6fc8815c2 (patch)
tree9803f361556d10708313e980428e63a18162e667 /drivers
parent6e15cf04860074ad032e88c306bea656bbdd0f22 (diff)
parent5d80f8e5a9dc9c9a94d4aeaa567e219a808b8a4a (diff)
Merge branch 'linus' into percpu-cpumask-x86-for-linus-2
Conflicts: arch/sparc/kernel/time_64.c drivers/gpu/drm/drm_proc.c Manual merge to resolve build warning due to phys_addr_t type change on x86: drivers/gpu/drm/drm_info.c Signed-off-by: Ingo Molnar <mingo@elte.hu>
Diffstat (limited to 'drivers')
-rw-r--r--drivers/char/agp/intel-agp.c21
-rw-r--r--drivers/firewire/fw-card.c149
-rw-r--r--drivers/firewire/fw-cdev.c1044
-rw-r--r--drivers/firewire/fw-device.c203
-rw-r--r--drivers/firewire/fw-device.h23
-rw-r--r--drivers/firewire/fw-iso.c227
-rw-r--r--drivers/firewire/fw-ohci.c260
-rw-r--r--drivers/firewire/fw-sbp2.c57
-rw-r--r--drivers/firewire/fw-topology.c29
-rw-r--r--drivers/firewire/fw-topology.h19
-rw-r--r--drivers/firewire/fw-transaction.c185
-rw-r--r--drivers/firewire/fw-transaction.h138
-rw-r--r--drivers/gpu/drm/Makefile3
-rw-r--r--drivers/gpu/drm/drm_debugfs.c235
-rw-r--r--drivers/gpu/drm/drm_drv.c12
-rw-r--r--drivers/gpu/drm/drm_info.c328
-rw-r--r--drivers/gpu/drm/drm_proc.c721
-rw-r--r--drivers/gpu/drm/drm_stub.c15
-rw-r--r--drivers/gpu/drm/i915/Makefile2
-rw-r--r--drivers/gpu/drm/i915/i915_dma.c116
-rw-r--r--drivers/gpu/drm/i915/i915_drv.c6
-rw-r--r--drivers/gpu/drm/i915/i915_drv.h21
-rw-r--r--drivers/gpu/drm/i915/i915_gem.c898
-rw-r--r--drivers/gpu/drm/i915/i915_gem_debugfs.c257
-rw-r--r--drivers/gpu/drm/i915/i915_gem_proc.c334
-rw-r--r--drivers/gpu/drm/i915/i915_gem_tiling.c31
-rw-r--r--drivers/gpu/drm/i915/i915_reg.h22
-rw-r--r--drivers/gpu/drm/i915/intel_bios.h12
-rw-r--r--drivers/gpu/drm/i915/intel_crt.c66
-rw-r--r--drivers/gpu/drm/i915/intel_display.c406
-rw-r--r--drivers/gpu/drm/i915/intel_lvds.c2
-rw-r--r--drivers/gpu/drm/i915/intel_tv.c148
-rw-r--r--drivers/ieee1394/csr.c8
-rw-r--r--drivers/ieee1394/dv1394.c2
-rw-r--r--drivers/ieee1394/eth1394.c4
-rw-r--r--drivers/ieee1394/highlevel.c2
-rw-r--r--drivers/ieee1394/nodemgr.c4
-rw-r--r--drivers/ieee1394/nodemgr.h2
-rw-r--r--drivers/ieee1394/raw1394.c14
-rw-r--r--drivers/ieee1394/sbp2.c9
-rw-r--r--drivers/ieee1394/video1394.c2
-rw-r--r--drivers/infiniband/hw/nes/nes_nic.c2
-rw-r--r--drivers/media/dvb/firewire/firedtv-avc.c10
-rw-r--r--drivers/mtd/mtdsuper.c7
-rw-r--r--drivers/net/3c503.c3
-rw-r--r--drivers/net/Kconfig8
-rw-r--r--drivers/net/Makefile1
-rw-r--r--drivers/net/ac3200.c22
-rw-r--r--drivers/net/appletalk/cops.c45
-rw-r--r--drivers/net/appletalk/ltpc.c38
-rw-r--r--drivers/net/at1700.c19
-rw-r--r--drivers/net/benet/be_main.c28
-rw-r--r--drivers/net/cs89x0.c28
-rw-r--r--drivers/net/cxgb3/adapter.h4
-rw-r--r--drivers/net/cxgb3/common.h4
-rw-r--r--drivers/net/cxgb3/cxgb3_main.c12
-rw-r--r--drivers/net/cxgb3/sge.c164
-rw-r--r--drivers/net/cxgb3/t3_hw.c80
-rw-r--r--drivers/net/depca.c19
-rw-r--r--drivers/net/eepro.c17
-rw-r--r--drivers/net/eexpress.c17
-rw-r--r--drivers/net/eth16i.c18
-rw-r--r--drivers/net/ethoc.c1112
-rw-r--r--drivers/net/ewrk3.c19
-rw-r--r--drivers/net/gianfar.c48
-rw-r--r--drivers/net/ibmlana.c17
-rw-r--r--drivers/net/irda/donauboe.c12
-rw-r--r--drivers/net/lance.c19
-rw-r--r--drivers/net/lp486e.c17
-rw-r--r--drivers/net/ni52.c21
-rw-r--r--drivers/net/ni65.c75
-rw-r--r--drivers/net/seeq8005.c17
-rw-r--r--drivers/net/smc-ultra.c5
-rw-r--r--drivers/net/smc-ultra32.c23
-rw-r--r--drivers/net/smc9194.c17
-rw-r--r--drivers/net/smsc911x.c5
-rw-r--r--drivers/net/tokenring/madgemc.c11
-rw-r--r--drivers/net/tokenring/proteon.c9
-rw-r--r--drivers/net/tokenring/skisa.c9
-rw-r--r--drivers/net/tokenring/smctr.c16
-rw-r--r--drivers/net/ucc_geth.c21
-rw-r--r--drivers/net/wan/sdla.c36
-rw-r--r--drivers/net/wireless/Kconfig1
-rw-r--r--drivers/net/wireless/Makefile1
-rw-r--r--drivers/net/wireless/ar9170/Kconfig17
-rw-r--r--drivers/net/wireless/ar9170/Makefile3
-rw-r--r--drivers/net/wireless/ar9170/ar9170.h209
-rw-r--r--drivers/net/wireless/ar9170/cmd.c129
-rw-r--r--drivers/net/wireless/ar9170/cmd.h91
-rw-r--r--drivers/net/wireless/ar9170/eeprom.h179
-rw-r--r--drivers/net/wireless/ar9170/hw.h417
-rw-r--r--drivers/net/wireless/ar9170/led.c171
-rw-r--r--drivers/net/wireless/ar9170/mac.c452
-rw-r--r--drivers/net/wireless/ar9170/main.c1671
-rw-r--r--drivers/net/wireless/ar9170/phy.c1240
-rw-r--r--drivers/net/wireless/ar9170/usb.c748
-rw-r--r--drivers/net/wireless/ar9170/usb.h74
-rw-r--r--drivers/net/wireless/arlan-main.c21
-rw-r--r--drivers/net/wireless/ath5k/ath5k.h35
-rw-r--r--drivers/net/wireless/ath5k/attach.c2
-rw-r--r--drivers/net/wireless/ath5k/base.c46
-rw-r--r--drivers/net/wireless/ath5k/base.h2
-rw-r--r--drivers/net/wireless/ath5k/desc.c4
-rw-r--r--drivers/net/wireless/ath5k/eeprom.c774
-rw-r--r--drivers/net/wireless/ath5k/eeprom.h128
-rw-r--r--drivers/net/wireless/ath5k/initvals.c4
-rw-r--r--drivers/net/wireless/ath5k/led.c2
-rw-r--r--drivers/net/wireless/ath5k/phy.c1170
-rw-r--r--drivers/net/wireless/ath5k/reg.h19
-rw-r--r--drivers/net/wireless/ath5k/reset.c35
-rw-r--r--drivers/net/wireless/ath9k/ahb.c2
-rw-r--r--drivers/net/wireless/ath9k/ani.c2
-rw-r--r--drivers/net/wireless/ath9k/ani.h2
-rw-r--r--drivers/net/wireless/ath9k/ath9k.h9
-rw-r--r--drivers/net/wireless/ath9k/beacon.c56
-rw-r--r--drivers/net/wireless/ath9k/calib.c2
-rw-r--r--drivers/net/wireless/ath9k/calib.h2
-rw-r--r--drivers/net/wireless/ath9k/debug.c2
-rw-r--r--drivers/net/wireless/ath9k/debug.h2
-rw-r--r--drivers/net/wireless/ath9k/eeprom.c308
-rw-r--r--drivers/net/wireless/ath9k/eeprom.h5
-rw-r--r--drivers/net/wireless/ath9k/hw.c14
-rw-r--r--drivers/net/wireless/ath9k/hw.h2
-rw-r--r--drivers/net/wireless/ath9k/initvals.h2
-rw-r--r--drivers/net/wireless/ath9k/mac.c2
-rw-r--r--drivers/net/wireless/ath9k/mac.h2
-rw-r--r--drivers/net/wireless/ath9k/main.c47
-rw-r--r--drivers/net/wireless/ath9k/pci.c20
-rw-r--r--drivers/net/wireless/ath9k/phy.c2
-rw-r--r--drivers/net/wireless/ath9k/phy.h2
-rw-r--r--drivers/net/wireless/ath9k/rc.c23
-rw-r--r--drivers/net/wireless/ath9k/rc.h2
-rw-r--r--drivers/net/wireless/ath9k/recv.c9
-rw-r--r--drivers/net/wireless/ath9k/reg.h2
-rw-r--r--drivers/net/wireless/ath9k/regd.c2
-rw-r--r--drivers/net/wireless/ath9k/regd.h2
-rw-r--r--drivers/net/wireless/ath9k/regd_common.h2
-rw-r--r--drivers/net/wireless/ath9k/xmit.c78
-rw-r--r--drivers/net/wireless/b43/main.c2
-rw-r--r--drivers/net/wireless/b43/xmit.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945-hw.h2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945-rs.c13
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-3945.c24
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-4965.c7
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-5000.c9
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-agn.c179
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.c8
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-core.h1
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-debugfs.c54
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-dev.h6
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-helpers.h52
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-power.c2
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-sta.c4
-rw-r--r--drivers/net/wireless/iwlwifi/iwl-tx.c18
-rw-r--r--drivers/net/wireless/iwlwifi/iwl3945-base.c38
-rw-r--r--drivers/net/wireless/libertas/radiotap.h10
-rw-r--r--drivers/net/wireless/libertas/rx.c12
-rw-r--r--drivers/net/wireless/mac80211_hwsim.c4
-rw-r--r--drivers/net/wireless/p54/Kconfig39
-rw-r--r--drivers/net/wireless/p54/p54common.c16
-rw-r--r--drivers/net/wireless/rt2x00/rt73usb.c2
-rw-r--r--drivers/net/wireless/wavelan.c79
-rw-r--r--drivers/net/wireless/wavelan.p.h9
-rw-r--r--drivers/ssb/Kconfig16
-rw-r--r--drivers/ssb/b43_pci_bridge.c1
165 files changed, 13423 insertions, 3528 deletions
diff --git a/drivers/char/agp/intel-agp.c b/drivers/char/agp/intel-agp.c
index 4373adb2119..9d9490e22e0 100644
--- a/drivers/char/agp/intel-agp.c
+++ b/drivers/char/agp/intel-agp.c
@@ -26,6 +26,10 @@
#define PCI_DEVICE_ID_INTEL_82965GME_IG 0x2A12
#define PCI_DEVICE_ID_INTEL_82945GME_HB 0x27AC
#define PCI_DEVICE_ID_INTEL_82945GME_IG 0x27AE
+#define PCI_DEVICE_ID_INTEL_IGDGM_HB 0xA010
+#define PCI_DEVICE_ID_INTEL_IGDGM_IG 0xA011
+#define PCI_DEVICE_ID_INTEL_IGDG_HB 0xA000
+#define PCI_DEVICE_ID_INTEL_IGDG_IG 0xA001
#define PCI_DEVICE_ID_INTEL_G33_HB 0x29C0
#define PCI_DEVICE_ID_INTEL_G33_IG 0x29C2
#define PCI_DEVICE_ID_INTEL_Q35_HB 0x29B0
@@ -60,7 +64,12 @@
#define IS_G33 (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_G33_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q35_HB || \
- agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q33_HB)
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q33_HB || \
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDGM_HB || \
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDG_HB)
+
+#define IS_IGD (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDGM_HB || \
+ agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGDG_HB)
#define IS_G4X (agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_IGD_E_HB || \
agp_bridge->dev->device == PCI_DEVICE_ID_INTEL_Q45_HB || \
@@ -510,7 +519,7 @@ static void intel_i830_init_gtt_entries(void)
size = 512;
}
size += 4; /* add in BIOS popup space */
- } else if (IS_G33) {
+ } else if (IS_G33 && !IS_IGD) {
/* G33's GTT size defined in gmch_ctrl */
switch (gmch_ctrl & G33_PGETBL_SIZE_MASK) {
case G33_PGETBL_SIZE_1M:
@@ -526,7 +535,7 @@ static void intel_i830_init_gtt_entries(void)
size = 512;
}
size += 4;
- } else if (IS_G4X) {
+ } else if (IS_G4X || IS_IGD) {
/* On 4 series hardware, GTT stolen is separate from graphics
* stolen, ignore it in stolen gtt entries counting. However,
* 4KB of the stolen memory doesn't get mapped to the GTT.
@@ -2161,6 +2170,10 @@ static const struct intel_driver_description {
NULL, &intel_g33_driver },
{ PCI_DEVICE_ID_INTEL_Q33_HB, PCI_DEVICE_ID_INTEL_Q33_IG, 0, "Q33",
NULL, &intel_g33_driver },
+ { PCI_DEVICE_ID_INTEL_IGDGM_HB, PCI_DEVICE_ID_INTEL_IGDGM_IG, 0, "IGD",
+ NULL, &intel_g33_driver },
+ { PCI_DEVICE_ID_INTEL_IGDG_HB, PCI_DEVICE_ID_INTEL_IGDG_IG, 0, "IGD",
+ NULL, &intel_g33_driver },
{ PCI_DEVICE_ID_INTEL_GM45_HB, PCI_DEVICE_ID_INTEL_GM45_IG, 0,
"Mobile Intel® GM45 Express", NULL, &intel_i965_driver },
{ PCI_DEVICE_ID_INTEL_IGD_E_HB, PCI_DEVICE_ID_INTEL_IGD_E_IG, 0,
@@ -2355,6 +2368,8 @@ static struct pci_device_id agp_intel_pci_table[] = {
ID(PCI_DEVICE_ID_INTEL_82945G_HB),
ID(PCI_DEVICE_ID_INTEL_82945GM_HB),
ID(PCI_DEVICE_ID_INTEL_82945GME_HB),
+ ID(PCI_DEVICE_ID_INTEL_IGDGM_HB),
+ ID(PCI_DEVICE_ID_INTEL_IGDG_HB),
ID(PCI_DEVICE_ID_INTEL_82946GZ_HB),
ID(PCI_DEVICE_ID_INTEL_82G35_HB),
ID(PCI_DEVICE_ID_INTEL_82965Q_HB),
diff --git a/drivers/firewire/fw-card.c b/drivers/firewire/fw-card.c
index a5dd7a665aa..8b8c8c22f0f 100644
--- a/drivers/firewire/fw-card.c
+++ b/drivers/firewire/fw-card.c
@@ -63,8 +63,7 @@ static int descriptor_count;
#define BIB_CMC ((1) << 30)
#define BIB_IMC ((1) << 31)
-static u32 *
-generate_config_rom(struct fw_card *card, size_t *config_rom_length)
+static u32 *generate_config_rom(struct fw_card *card, size_t *config_rom_length)
{
struct fw_descriptor *desc;
static u32 config_rom[256];
@@ -128,8 +127,7 @@ generate_config_rom(struct fw_card *card, size_t *config_rom_length)
return config_rom;
}
-static void
-update_config_roms(void)
+static void update_config_roms(void)
{
struct fw_card *card;
u32 *config_rom;
@@ -141,8 +139,7 @@ update_config_roms(void)
}
}
-int
-fw_core_add_descriptor(struct fw_descriptor *desc)
+int fw_core_add_descriptor(struct fw_descriptor *desc)
{
size_t i;
@@ -171,8 +168,7 @@ fw_core_add_descriptor(struct fw_descriptor *desc)
return 0;
}
-void
-fw_core_remove_descriptor(struct fw_descriptor *desc)
+void fw_core_remove_descriptor(struct fw_descriptor *desc)
{
mutex_lock(&card_mutex);
@@ -185,12 +181,30 @@ fw_core_remove_descriptor(struct fw_descriptor *desc)
mutex_unlock(&card_mutex);
}
+static int set_broadcast_channel(struct device *dev, void *data)
+{
+ fw_device_set_broadcast_channel(fw_device(dev), (long)data);
+ return 0;
+}
+
+static void allocate_broadcast_channel(struct fw_card *card, int generation)
+{
+ int channel, bandwidth = 0;
+
+ fw_iso_resource_manage(card, generation, 1ULL << 31,
+ &channel, &bandwidth, true);
+ if (channel == 31) {
+ card->broadcast_channel_allocated = true;
+ device_for_each_child(card->device, (void *)(long)generation,
+ set_broadcast_channel);
+ }
+}
+
static const char gap_count_table[] = {
63, 5, 7, 8, 10, 13, 16, 18, 21, 24, 26, 29, 32, 35, 37, 40
};
-void
-fw_schedule_bm_work(struct fw_card *card, unsigned long delay)
+void fw_schedule_bm_work(struct fw_card *card, unsigned long delay)
{
int scheduled;
@@ -200,37 +214,38 @@ fw_schedule_bm_work(struct fw_card *card, unsigned long delay)
fw_card_put(card);
}
-static void
-fw_card_bm_work(struct work_struct *work)
+static void fw_card_bm_work(struct work_struct *work)
{
struct fw_card *card = container_of(work, struct fw_card, work.work);
struct fw_device *root_device;
- struct fw_node *root_node, *local_node;
+ struct fw_node *root_node;
unsigned long flags;
- int root_id, new_root_id, irm_id, gap_count, generation, grace, rcode;
+ int root_id, new_root_id, irm_id, local_id;
+ int gap_count, generation, grace, rcode;
bool do_reset = false;
bool root_device_is_running;
bool root_device_is_cmc;
__be32 lock_data[2];
spin_lock_irqsave(&card->lock, flags);
- local_node = card->local_node;
- root_node = card->root_node;
- if (local_node == NULL) {
+ if (card->local_node == NULL) {
spin_unlock_irqrestore(&card->lock, flags);
goto out_put_card;
}
- fw_node_get(local_node);
- fw_node_get(root_node);
generation = card->generation;
+ root_node = card->root_node;
+ fw_node_get(root_node);
root_device = root_node->data;
root_device_is_running = root_device &&
atomic_read(&root_device->state) == FW_DEVICE_RUNNING;
root_device_is_cmc = root_device && root_device->cmc;
- root_id = root_node->node_id;
- grace = time_after(jiffies, card->reset_jiffies + DIV_ROUND_UP(HZ, 10));
+ root_id = root_node->node_id;
+ irm_id = card->irm_node->node_id;
+ local_id = card->local_node->node_id;
+
+ grace = time_after(jiffies, card->reset_jiffies + DIV_ROUND_UP(HZ, 8));
if (is_next_generation(generation, card->bm_generation) ||
(card->bm_generation != generation && grace)) {
@@ -246,16 +261,15 @@ fw_card_bm_work(struct work_struct *work)
* next generation.
*/
- irm_id = card->irm_node->node_id;
if (!card->irm_node->link_on) {
- new_root_id = local_node->node_id;
+ new_root_id = local_id;
fw_notify("IRM has link off, making local node (%02x) root.\n",
new_root_id);
goto pick_me;
}
lock_data[0] = cpu_to_be32(0x3f);
- lock_data[1] = cpu_to_be32(local_node->node_id);
+ lock_data[1] = cpu_to_be32(local_id);
spin_unlock_irqrestore(&card->lock, flags);
@@ -269,9 +283,14 @@ fw_card_bm_work(struct work_struct *work)
goto out;
if (rcode == RCODE_COMPLETE &&
- lock_data[0] != cpu_to_be32(0x3f))
- /* Somebody else is BM, let them do the work. */
+ lock_data[0] != cpu_to_be32(0x3f)) {
+
+ /* Somebody else is BM. Only act as IRM. */
+ if (local_id == irm_id)
+ allocate_broadcast_channel(card, generation);
+
goto out;
+ }
spin_lock_irqsave(&card->lock, flags);
@@ -282,19 +301,18 @@ fw_card_bm_work(struct work_struct *work)
* do a bus reset and pick the local node as
* root, and thus, IRM.
*/
- new_root_id = local_node->node_id;
+ new_root_id = local_id;
fw_notify("BM lock failed, making local node (%02x) root.\n",
new_root_id);
goto pick_me;
}
} else if (card->bm_generation != generation) {
/*
- * OK, we weren't BM in the last generation, and it's
- * less than 100ms since last bus reset. Reschedule
- * this task 100ms from now.
+ * We weren't BM in the last generation, and the last
+ * bus reset is less than 125ms ago. Reschedule this job.
*/
spin_unlock_irqrestore(&card->lock, flags);
- fw_schedule_bm_work(card, DIV_ROUND_UP(HZ, 10));
+ fw_schedule_bm_work(card, DIV_ROUND_UP(HZ, 8));
goto out;
}
@@ -310,7 +328,7 @@ fw_card_bm_work(struct work_struct *work)
* Either link_on is false, or we failed to read the
* config rom. In either case, pick another root.
*/
- new_root_id = local_node->node_id;
+ new_root_id = local_id;
} else if (!root_device_is_running) {
/*
* If we haven't probed this device yet, bail out now
@@ -332,7 +350,7 @@ fw_card_bm_work(struct work_struct *work)
* successfully read the config rom, but it's not
* cycle master capable.
*/
- new_root_id = local_node->node_id;
+ new_root_id = local_id;
}
pick_me:
@@ -363,25 +381,28 @@ fw_card_bm_work(struct work_struct *work)
card->index, new_root_id, gap_count);
fw_send_phy_config(card, new_root_id, generation, gap_count);
fw_core_initiate_bus_reset(card, 1);
+ /* Will allocate broadcast channel after the reset. */
+ } else {
+ if (local_id == irm_id)
+ allocate_broadcast_channel(card, generation);
}
+
out:
fw_node_put(root_node);
- fw_node_put(local_node);
out_put_card:
fw_card_put(card);
}
-static void
-flush_timer_callback(unsigned long data)
+static void flush_timer_callback(unsigned long data)
{
struct fw_card *card = (struct fw_card *)data;
fw_flush_transactions(card);
}
-void
-fw_card_initialize(struct fw_card *card, const struct fw_card_driver *driver,
- struct device *device)
+void fw_card_initialize(struct fw_card *card,
+ const struct fw_card_driver *driver,
+ struct device *device)
{
static atomic_t index = ATOMIC_INIT(-1);
@@ -406,13 +427,12 @@ fw_card_initialize(struct fw_card *card, const struct fw_card_driver *driver,
}
EXPORT_SYMBOL(fw_card_initialize);
-int
-fw_card_add(struct fw_card *card,
- u32 max_receive, u32 link_speed, u64 guid)
+int fw_card_add(struct fw_card *card,
+ u32 max_receive, u32 link_speed, u64 guid)
{
u32 *config_rom;
size_t length;
- int err;
+ int ret;
card->max_receive = max_receive;
card->link_speed = link_speed;
@@ -423,13 +443,14 @@ fw_card_add(struct fw_card *card,
list_add_tail(&card->link, &card_list);
mutex_unlock(&card_mutex);
- err = card->driver->enable(card, config_rom, length);
- if (err < 0) {
+ ret = card->driver->enable(card, config_rom, length);
+ if (ret < 0) {
mutex_lock(&card_mutex);
list_del(&card->link);
mutex_unlock(&card_mutex);
}
- return err;
+
+ return ret;
}
EXPORT_SYMBOL(fw_card_add);
@@ -442,23 +463,20 @@ EXPORT_SYMBOL(fw_card_add);
* dummy driver just fails all IO.
*/
-static int
-dummy_enable(struct fw_card *card, u32 *config_rom, size_t length)
+static int dummy_enable(struct fw_card *card, u32 *config_rom, size_t length)
{
BUG();
return -1;
}
-static int
-dummy_update_phy_reg(struct fw_card *card, int address,
- int clear_bits, int set_bits)
+static int dummy_update_phy_reg(struct fw_card *card, int address,
+ int clear_bits, int set_bits)
{
return -ENODEV;
}
-static int
-dummy_set_config_rom(struct fw_card *card,
- u32 *config_rom, size_t length)
+static int dummy_set_config_rom(struct fw_card *card,
+ u32 *config_rom, size_t length)
{
/*
* We take the card out of card_list before setting the dummy
@@ -468,27 +486,23 @@ dummy_set_config_rom(struct fw_card *card,
return -1;
}
-static void
-dummy_send_request(struct fw_card *card, struct fw_packet *packet)
+static void dummy_send_request(struct fw_card *card, struct fw_packet *packet)
{
packet->callback(packet, card, -ENODEV);
}
-static void
-dummy_send_response(struct fw_card *card, struct fw_packet *packet)
+static void dummy_send_response(struct fw_card *card, struct fw_packet *packet)
{
packet->callback(packet, card, -ENODEV);
}
-static int
-dummy_cancel_packet(struct fw_card *card, struct fw_packet *packet)
+static int dummy_cancel_packet(struct fw_card *card, struct fw_packet *packet)
{
return -ENOENT;
}
-static int
-dummy_enable_phys_dma(struct fw_card *card,
- int node_id, int generation)
+static int dummy_enable_phys_dma(struct fw_card *card,
+ int node_id, int generation)
{
return -ENODEV;
}
@@ -503,16 +517,14 @@ static struct fw_card_driver dummy_driver = {
.enable_phys_dma = dummy_enable_phys_dma,
};
-void
-fw_card_release(struct kref *kref)
+void fw_card_release(struct kref *kref)
{
struct fw_card *card = container_of(kref, struct fw_card, kref);
complete(&card->done);
}
-void
-fw_core_remove_card(struct fw_card *card)
+void fw_core_remove_card(struct fw_card *card)
{
card->driver->update_phy_reg(card, 4,
PHY_LINK_ACTIVE | PHY_CONTENDER, 0);
@@ -536,8 +548,7 @@ fw_core_remove_card(struct fw_card *card)
}
EXPORT_SYMBOL(fw_core_remove_card);
-int
-fw_core_initiate_bus_reset(struct fw_card *card, int short_reset)
+int fw_core_initiate_bus_reset(struct fw_card *card, int short_reset)
{
int reg = short_reset ? 5 : 1;
int bit = short_reset ? PHY_BUS_SHORT_RESET : PHY_BUS_RESET;
diff --git a/drivers/firewire/fw-cdev.c b/drivers/firewire/fw-cdev.c
index ed03234cbea..7eb6594cc3e 100644
--- a/drivers/firewire/fw-cdev.c
+++ b/drivers/firewire/fw-cdev.c
@@ -18,87 +18,162 @@
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
-#include <linux/module.h>
-#include <linux/kernel.h>
-#include <linux/wait.h>
-#include <linux/errno.h>
+#include <linux/compat.h>
+#include <linux/delay.h>
#include <linux/device.h>
-#include <linux/vmalloc.h>
+#include <linux/errno.h>
+#include <linux/firewire-cdev.h>
+#include <linux/idr.h>
+#include <linux/jiffies.h>
+#include <linux/kernel.h>
+#include <linux/kref.h>
+#include <linux/mm.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
#include <linux/poll.h>
#include <linux/preempt.h>
+#include <linux/spinlock.h>
#include <linux/time.h>
-#include <linux/delay.h>
-#include <linux/mm.h>
-#include <linux/idr.h>
-#include <linux/compat.h>
-#include <linux/firewire-cdev.h>
+#include <linux/vmalloc.h>
+#include <linux/wait.h>
+#include <linux/workqueue.h>
+
#include <asm/system.h>
#include <asm/uaccess.h>
-#include "fw-transaction.h"
-#include "fw-topology.h"
+
#include "fw-device.h"
+#include "fw-topology.h"
+#include "fw-transaction.h"
+
+struct client {
+ u32 version;
+ struct fw_device *device;
+
+ spinlock_t lock;
+ bool in_shutdown;
+ struct idr resource_idr;
+ struct list_head event_list;
+ wait_queue_head_t wait;
+ u64 bus_reset_closure;
+
+ struct fw_iso_context *iso_context;
+ u64 iso_closure;
+ struct fw_iso_buffer buffer;
+ unsigned long vm_start;
-struct client;
-struct client_resource {
struct list_head link;
- void (*release)(struct client *client, struct client_resource *r);
- u32 handle;
+ struct kref kref;
};
+static inline void client_get(struct client *client)
+{
+ kref_get(&client->kref);
+}
+
+static void client_release(struct kref *kref)
+{
+ struct client *client = container_of(kref, struct client, kref);
+
+ fw_device_put(client->device);
+ kfree(client);
+}
+
+static void client_put(struct client *client)
+{
+ kref_put(&client->kref, client_release);
+}
+
+struct client_resource;
+typedef void (*client_resource_release_fn_t)(struct client *,
+ struct client_resource *);
+struct client_resource {
+ client_resource_release_fn_t release;
+ int handle;
+};
+
+struct address_handler_resource {
+ struct client_resource resource;
+ struct fw_address_handler handler;
+ __u64 closure;
+ struct client *client;
+};
+
+struct outbound_transaction_resource {
+ struct client_resource resource;
+ struct fw_transaction transaction;
+};
+
+struct inbound_transaction_resource {
+ struct client_resource resource;
+ struct fw_request *request;
+ void *data;
+ size_t length;
+};
+
+struct descriptor_resource {
+ struct client_resource resource;
+ struct fw_descriptor descriptor;
+ u32 data[0];
+};
+
+struct iso_resource {
+ struct client_resource resource;
+ struct client *client;
+ /* Schedule work and access todo only with client->lock held. */
+ struct delayed_work work;
+ enum {ISO_RES_ALLOC, ISO_RES_REALLOC, ISO_RES_DEALLOC,
+ ISO_RES_ALLOC_ONCE, ISO_RES_DEALLOC_ONCE,} todo;
+ int generation;
+ u64 channels;
+ s32 bandwidth;
+ struct iso_resource_event *e_alloc, *e_dealloc;
+};
+
+static void schedule_iso_resource(struct iso_resource *);
+static void release_iso_resource(struct client *, struct client_resource *);
+
/*
* dequeue_event() just kfree()'s the event, so the event has to be
- * the first field in the struct.
+ * the first field in a struct XYZ_event.
*/
-
struct event {
struct { void *data; size_t size; } v[2];
struct list_head link;
};
-struct bus_reset {
+struct bus_reset_event {
struct event event;
struct fw_cdev_event_bus_reset reset;
};
-struct response {
+struct outbound_transaction_event {
struct event event;
- struct fw_transaction transaction;
struct client *client;
- struct client_resource resource;
+ struct outbound_transaction_resource r;
struct fw_cdev_event_response response;
};
-struct iso_interrupt {
+struct inbound_transaction_event {
struct event event;
- struct fw_cdev_event_iso_interrupt interrupt;
+ struct fw_cdev_event_request request;
};
-struct client {
- u32 version;
- struct fw_device *device;
- spinlock_t lock;
- u32 resource_handle;
- struct list_head resource_list;
- struct list_head event_list;
- wait_queue_head_t wait;
- u64 bus_reset_closure;
-
- struct fw_iso_context *iso_context;
- u64 iso_closure;
- struct fw_iso_buffer buffer;
- unsigned long vm_start;
+struct iso_interrupt_event {
+ struct event event;
+ struct fw_cdev_event_iso_interrupt interrupt;
+};
- struct list_head link;
+struct iso_resource_event {
+ struct event event;
+ struct fw_cdev_event_iso_resource resource;
};
-static inline void __user *
-u64_to_uptr(__u64 value)
+static inline void __user *u64_to_uptr(__u64 value)
{
return (void __user *)(unsigned long)value;
}
-static inline __u64
-uptr_to_u64(void __user *ptr)
+static inline __u64 uptr_to_u64(void __user *ptr)
{
return (__u64)(unsigned long)ptr;
}
@@ -107,7 +182,6 @@ static int fw_device_op_open(struct inode *inode, struct file *file)
{
struct fw_device *device;
struct client *client;
- unsigned long flags;
device = fw_device_get_by_devt(inode->i_rdev);
if (device == NULL)
@@ -125,16 +199,17 @@ static int fw_device_op_open(struct inode *inode, struct file *file)
}
client->device = device;
- INIT_LIST_HEAD(&client->event_list);
- INIT_LIST_HEAD(&client->resource_list);
spin_lock_init(&client->lock);
+ idr_init(&client->resource_idr);
+ INIT_LIST_HEAD(&client->event_list);
init_waitqueue_head(&client->wait);
+ kref_init(&client->kref);
file->private_data = client;
- spin_lock_irqsave(&device->card->lock, flags);
+ mutex_lock(&device->client_list_mutex);
list_add_tail(&client->link, &device->client_list);
- spin_unlock_irqrestore(&device->card->lock, flags);
+ mutex_unlock(&device->client_list_mutex);
return 0;
}
@@ -150,68 +225,69 @@ static void queue_event(struct client *client, struct event *event,
event->v[1].size = size1;
spin_lock_irqsave(&client->lock, flags);
- list_add_tail(&event->link, &client->event_list);
+ if (client->in_shutdown)
+ kfree(event);
+ else
+ list_add_tail(&event->link, &client->event_list);
spin_unlock_irqrestore(&client->lock, flags);
wake_up_interruptible(&client->wait);
}
-static int
-dequeue_event(struct client *client, char __user *buffer, size_t count)
+static int dequeue_event(struct client *client,
+ char __user *buffer, size_t count)
{
- unsigned long flags;
struct event *event;
size_t size, total;
- int i, retval;
+ int i, ret;
- retval = wait_event_interruptible(client->wait,
- !list_empty(&client->event_list) ||
- fw_device_is_shutdown(client->device));
- if (retval < 0)
- return retval;
+ ret = wait_event_interruptible(client->wait,
+ !list_empty(&client->event_list) ||
+ fw_device_is_shutdown(client->device));
+ if (ret < 0)
+ return ret;
if (list_empty(&client->event_list) &&
fw_device_is_shutdown(client->device))
return -ENODEV;
- spin_lock_irqsave(&client->lock, flags);
- event = container_of(client->event_list.next, struct event, link);
+ spin_lock_irq(&client->lock);
+ event = list_first_entry(&client->event_list, struct event, link);
list_del(&event->link);
- spin_unlock_irqrestore(&client->lock, flags);
+ spin_unlock_irq(&client->lock);
total = 0;
for (i = 0; i < ARRAY_SIZE(event->v) && total < count; i++) {
size = min(event->v[i].size, count - total);
if (copy_to_user(buffer + total, event->v[i].data, size)) {
- retval = -EFAULT;
+ ret = -EFAULT;
goto out;
}
total += size;
}
- retval = total;
+ ret = total;
out:
kfree(event);
- return retval;
+ return ret;
}
-static ssize_t
-fw_device_op_read(struct file *file,
- char __user *buffer, size_t count, loff_t *offset)
+static ssize_t fw_device_op_read(struct file *file, char __user *buffer,
+ size_t count, loff_t *offset)
{
struct client *client = file->private_data;
return dequeue_event(client, buffer, count);
}
-/* caller must hold card->lock so that node pointers can be dereferenced here */
-static void
-fill_bus_reset_event(struct fw_cdev_event_bus_reset *event,
- struct client *client)
+static void fill_bus_reset_event(struct fw_cdev_event_bus_reset *event,
+ struct client *client)
{
struct fw_card *card = client->device->card;
+ spin_lock_irq(&card->lock);
+
event->closure = client->bus_reset_closure;
event->type = FW_CDEV_EVENT_BUS_RESET;
event->generation = client->device->generation;
@@ -220,39 +296,49 @@ fill_bus_reset_event(struct fw_cdev_event_bus_reset *event,
event->bm_node_id = 0; /* FIXME: We don't track the BM. */
event->irm_node_id = card->irm_node->node_id;
event->root_node_id = card->root_node->node_id;
+
+ spin_unlock_irq(&card->lock);
}
-static void
-for_each_client(struct fw_device *device,
- void (*callback)(struct client *client))
+static void for_each_client(struct fw_device *device,
+ void (*callback)(struct client *client))
{
- struct fw_card *card = device->card;
struct client *c;
- unsigned long flags;
-
- spin_lock_irqsave(&card->lock, flags);
+ mutex_lock(&device->client_list_mutex);
list_for_each_entry(c, &device->client_list, link)
callback(c);
+ mutex_unlock(&device->client_list_mutex);
+}
+
+static int schedule_reallocations(int id, void *p, void *data)
+{
+ struct client_resource *r = p;
- spin_unlock_irqrestore(&card->lock, flags);
+ if (r->release == release_iso_resource)
+ schedule_iso_resource(container_of(r,
+ struct iso_resource, resource));
+ return 0;
}
-static void
-queue_bus_reset_event(struct client *client)
+static void queue_bus_reset_event(struct client *client)
{
- struct bus_reset *bus_reset;
+ struct bus_reset_event *e;
- bus_reset = kzalloc(sizeof(*bus_reset), GFP_ATOMIC);
- if (bus_reset == NULL) {
+ e = kzalloc(sizeof(*e), GFP_KERNEL);
+ if (e == NULL) {
fw_notify("Out of memory when allocating bus reset event\n");
return;
}
- fill_bus_reset_event(&bus_reset->reset, client);
+ fill_bus_reset_event(&e->reset, client);
+
+ queue_event(client, &e->event,
+ &e->reset, sizeof(e->reset), NULL, 0);
- queue_event(client, &bus_reset->event,
- &bus_reset->reset, sizeof(bus_reset->reset), NULL, 0);
+ spin_lock_irq(&client->lock);
+ idr_for_each(&client->resource_idr, schedule_reallocations, client);
+ spin_unlock_irq(&client->lock);
}
void fw_device_cdev_update(struct fw_device *device)
@@ -274,11 +360,11 @@ static int ioctl_get_info(struct client *client, void *buffer)
{
struct fw_cdev_get_info *get_info = buffer;
struct fw_cdev_event_bus_reset bus_reset;
- struct fw_card *card = client->device->card;
unsigned long ret = 0;
client->version = get_info->version;
get_info->version = FW_CDEV_VERSION;
+ get_info->card = client->device->card->index;
down_read(&fw_device_rwsem);
@@ -300,49 +386,61 @@ static int ioctl_get_info(struct client *client, void *buffer)
client->bus_reset_closure = get_info->bus_reset_closure;
if (get_info->bus_reset != 0) {
void __user *uptr = u64_to_uptr(get_info->bus_reset);
- unsigned long flags;
- spin_lock_irqsave(&card->lock, flags);
fill_bus_reset_event(&bus_reset, client);
- spin_unlock_irqrestore(&card->lock, flags);
-
if (copy_to_user(uptr, &bus_reset, sizeof(bus_reset)))
return -EFAULT;
}
- get_info->card = card->index;
-
return 0;
}
-static void
-add_client_resource(struct client *client, struct client_resource *resource)
+static int add_client_resource(struct client *client,
+ struct client_resource *resource, gfp_t gfp_mask)
{
unsigned long flags;
+ int ret;
+
+ retry:
+ if (idr_pre_get(&client->resource_idr, gfp_mask) == 0)
+ return -ENOMEM;
spin_lock_irqsave(&client->lock, flags);
- list_add_tail(&resource->link, &client->resource_list);
- resource->handle = client->resource_handle++;
+ if (client->in_shutdown)
+ ret = -ECANCELED;
+ else
+ ret = idr_get_new(&client->resource_idr, resource,
+ &resource->handle);
+ if (ret >= 0) {
+ client_get(client);
+ if (resource->release == release_iso_resource)
+ schedule_iso_resource(container_of(resource,
+ struct iso_resource, resource));
+ }
spin_unlock_irqrestore(&client->lock, flags);
+
+ if (ret == -EAGAIN)
+ goto retry;
+
+ return ret < 0 ? ret : 0;
}
-static int
-release_client_resource(struct client *client, u32 handle,
- struct client_resource **resource)
+static int release_client_resource(struct client *client, u32 handle,
+ client_resource_release_fn_t release,
+ struct client_resource **resource)
{
struct client_resource *r;
- unsigned long flags;
- spin_lock_irqsave(&client->lock, flags);
- list_for_each_entry(r, &client->resource_list, link) {
- if (r->handle == handle) {
- list_del(&r->link);
- break;
- }
- }
- spin_unlock_irqrestore(&client->lock, flags);
+ spin_lock_irq(&client->lock);
+ if (client->in_shutdown)
+ r = NULL;
+ else
+ r = idr_find(&client->resource_idr, handle);
+ if (r && r->release == release)
+ idr_remove(&client->resource_idr, handle);
+ spin_unlock_irq(&client->lock);
- if (&r->link == &client->resource_list)
+ if (!(r && r->release == release))
return -EINVAL;
if (resource)
@@ -350,203 +448,239 @@ release_client_resource(struct client *client, u32 handle,
else
r->release(client, r);
+ client_put(client);
+
return 0;
}
-static void
-release_transaction(struct client *client, struct client_resource *resource)
+static void release_transaction(struct client *client,
+ struct client_resource *resource)
{
- struct response *response =
- container_of(resource, struct response, resource);
+ struct outbound_transaction_resource *r = container_of(resource,
+ struct outbound_transaction_resource, resource);
- fw_cancel_transaction(client->device->card, &response->transaction);
+ fw_cancel_transaction(client->device->card, &r->transaction);
}
-static void
-complete_transaction(struct fw_card *card, int rcode,
- void *payload, size_t length, void *data)
+static void complete_transaction(struct fw_card *card, int rcode,
+ void *payload, size_t length, void *data)
{
- struct response *response = data;
- struct client *client = response->client;
+ struct outbound_transaction_event *e = data;
+ struct fw_cdev_event_response *rsp = &e->response;
+ struct client *client = e->client;
unsigned long flags;
- struct fw_cdev_event_response *r = &response->response;
- if (length < r->length)
- r->length = length;
+ if (length < rsp->length)
+ rsp->length = length;
if (rcode == RCODE_COMPLETE)
- memcpy(r->data, payload, r->length);
+ memcpy(rsp->data, payload, rsp->length);
spin_lock_irqsave(&client->lock, flags);
- list_del(&response->resource.link);
+ /*
+ * 1. If called while in shutdown, the idr tree must be left untouched.
+ * The idr handle will be removed and the client reference will be
+ * dropped later.
+ * 2. If the call chain was release_client_resource ->
+ * release_transaction -> complete_transaction (instead of a normal
+ * conclusion of the transaction), i.e. if this resource was already
+ * unregistered from the idr, the client reference will be dropped
+ * by release_client_resource and we must not drop it here.
+ */
+ if (!client->in_shutdown &&
+ idr_find(&client->resource_idr, e->r.resource.handle)) {
+ idr_remove(&client->resource_idr, e->r.resource.handle);
+ /* Drop the idr's reference */
+ client_put(client);
+ }
spin_unlock_irqrestore(&client->lock, flags);
- r->type = FW_CDEV_EVENT_RESPONSE;
- r->rcode = rcode;
+ rsp->type = FW_CDEV_EVENT_RESPONSE;
+ rsp->rcode = rcode;
/*
- * In the case that sizeof(*r) doesn't align with the position of the
+ * In the case that sizeof(*rsp) doesn't align with the position of the
* data, and the read is short, preserve an extra copy of the data
* to stay compatible with a pre-2.6.27 bug. Since the bug is harmless
* for short reads and some apps depended on it, this is both safe
* and prudent for compatibility.
*/
- if (r->length <= sizeof(*r) - offsetof(typeof(*r), data))
- queue_event(client, &response->event, r, sizeof(*r),
- r->data, r->length);
+ if (rsp->length <= sizeof(*rsp) - offsetof(typeof(*rsp), data))
+ queue_event(client, &e->event, rsp, sizeof(*rsp),
+ rsp->data, rsp->length);
else
- queue_event(client, &response->event, r, sizeof(*r) + r->length,
+ queue_event(client, &e->event, rsp, sizeof(*rsp) + rsp->length,
NULL, 0);
+
+ /* Drop the transaction callback's reference */
+ client_put(client);
}
-static int ioctl_send_request(struct client *client, void *buffer)
+static int init_request(struct client *client,
+ struct fw_cdev_send_request *request,
+ int destination_id, int speed)
{
- struct fw_device *device = client->device;
- struct fw_cdev_send_request *request = buffer;
- struct response *response;
+ struct outbound_transaction_event *e;
+ int ret;
- /* What is the biggest size we'll accept, really? */
- if (request->length > 4096)
- return -EINVAL;
+ if (request->tcode != TCODE_STREAM_DATA &&
+ (request->length > 4096 || request->length > 512 << speed))
+ return -EIO;
- response = kmalloc(sizeof(*response) + request->length, GFP_KERNEL);
- if (response == NULL)
+ e = kmalloc(sizeof(*e) + request->length, GFP_KERNEL);
+ if (e == NULL)
return -ENOMEM;
- response->client = client;
- response->response.length = request->length;
- response->response.closure = request->closure;
+ e->client = client;
+ e->response.length = request->length;
+ e->response.closure = request->closure;
if (request->data &&
- copy_from_user(response->response.data,
+ copy_from_user(e->response.data,
u64_to_uptr(request->data), request->length)) {
- kfree(response);
- return -EFAULT;
+ ret = -EFAULT;
+ goto failed;
}
- response->resource.release = release_transaction;
- add_client_resource(client, &response->resource);
+ e->r.resource.release = release_transaction;
+ ret = add_client_resource(client, &e->r.resource, GFP_KERNEL);
+ if (ret < 0)
+ goto failed;
- fw_send_request(device->card, &response->transaction,
- request->tcode & 0x1f,
- device->node->node_id,
- request->generation,
- device->max_speed,
- request->offset,
- response->response.data, request->length,
- complete_transaction, response);
+ /* Get a reference for the transaction callback */
+ client_get(client);
- if (request->data)
- return sizeof(request) + request->length;
- else
- return sizeof(request);
+ fw_send_request(client->device->card, &e->r.transaction,
+ request->tcode, destination_id, request->generation,
+ speed, request->offset, e->response.data,
+ request->length, complete_transaction, e);
+ return 0;
+
+ failed:
+ kfree(e);
+
+ return ret;
}
-struct address_handler {
- struct fw_address_handler handler;
- __u64 closure;
- struct client *client;
- struct client_resource resource;
-};
+static int ioctl_send_request(struct client *client, void *buffer)
+{
+ struct fw_cdev_send_request *request = buffer;
-struct request {
- struct fw_request *request;
- void *data;
- size_t length;
- struct client_resource resource;
-};
+ switch (request->tcode) {
+ case TCODE_WRITE_QUADLET_REQUEST:
+ case TCODE_WRITE_BLOCK_REQUEST:
+ case TCODE_READ_QUADLET_REQUEST:
+ case TCODE_READ_BLOCK_REQUEST:
+ case TCODE_LOCK_MASK_SWAP:
+ case TCODE_LOCK_COMPARE_SWAP:
+ case TCODE_LOCK_FETCH_ADD:
+ case TCODE_LOCK_LITTLE_ADD:
+ case TCODE_LOCK_BOUNDED_ADD:
+ case TCODE_LOCK_WRAP_ADD:
+ case TCODE_LOCK_VENDOR_DEPENDENT:
+ break;
+ default:
+ return -EINVAL;
+ }
-struct request_event {
- struct event event;
- struct fw_cdev_event_request request;
-};
+ return init_request(client, request, client->device->node_id,
+ client->device->max_speed);
+}
-static void
-release_request(struct client *client, struct client_resource *resource)
+static void release_request(struct client *client,
+ struct client_resource *resource)
{
- struct request *request =
- container_of(resource, struct request, resource);
+ struct inbound_transaction_resource *r = container_of(resource,
+ struct inbound_transaction_resource, resource);
- fw_send_response(client->device->card, request->request,
+ fw_send_response(client->device->card, r->request,
RCODE_CONFLICT_ERROR);
- kfree(request);
+ kfree(r);
}
-static void
-handle_request(struct fw_card *card, struct fw_request *r,
- int tcode, int destination, int source,
- int generation, int speed,
- unsigned long long offset,
- void *payload, size_t length, void *callback_data)
+static void handle_request(struct fw_card *card, struct fw_request *request,
+ int tcode, int destination, int source,
+ int generation, int speed,
+ unsigned long long offset,
+ void *payload, size_t length, void *callback_data)
{
- struct address_handler *handler = callback_data;
- struct request *request;
- struct request_event *e;
- struct client *client = handler->client;
+ struct address_handler_resource *handler = callback_data;
+ struct inbound_transaction_resource *r;
+ struct inbound_transaction_event *e;
+ int ret;
- request = kmalloc(sizeof(*request), GFP_ATOMIC);
+ r = kmalloc(sizeof(*r), GFP_ATOMIC);
e = kmalloc(sizeof(*e), GFP_ATOMIC);
- if (request == NULL || e == NULL) {
- kfree(request);
- kfree(e);
- fw_send_response(card, r, RCODE_CONFLICT_ERROR);
- return;
- }
+ if (r == NULL || e == NULL)
+ goto failed;
- request->request = r;
- request->data = payload;
- request->length = length;
+ r->request = request;
+ r->data = payload;
+ r->length = length;
- request->resource.release = release_request;
- add_client_resource(client, &request->resource);
+ r->resource.release = release_request;
+ ret = add_client_resource(handler->client, &r->resource, GFP_ATOMIC);
+ if (ret < 0)
+ goto failed;
e->request.type = FW_CDEV_EVENT_REQUEST;
e->request.tcode = tcode;
e->request.offset = offset;
e->request.length = length;
- e->request.handle = request->resource.handle;
+ e->request.handle = r->resource.handle;
e->request.closure = handler->closure;
- queue_event(client, &e->event,
+ queue_event(handler->client, &e->event,
&e->request, sizeof(e->request), payload, length);
+ return;
+
+ failed:
+ kfree(r);
+ kfree(e);
+ fw_send_response(card, request, RCODE_CONFLICT_ERROR);
}
-static void
-release_address_handler(struct client *client,
- struct client_resource *resource)
+static void release_address_handler(struct client *client,
+ struct client_resource *resource)
{
- struct address_handler *handler =
- container_of(resource, struct address_handler, resource);
+ struct address_handler_resource *r =
+ container_of(resource, struct address_handler_resource, resource);
- fw_core_remove_address_handler(&handler->handler);
- kfree(handler);
+ fw_core_remove_address_handler(&r->handler);
+ kfree(r);
}
static int ioctl_allocate(struct client *client, void *buffer)
{
struct fw_cdev_allocate *request = buffer;
- struct address_handler *handler;
+ struct address_handler_resource *r;
struct fw_address_region region;
+ int ret;
- handler = kmalloc(sizeof(*handler), GFP_KERNEL);
- if (handler == NULL)
+ r = kmalloc(sizeof(*r), GFP_KERNEL);
+ if (r == NULL)
return -ENOMEM;
region.start = request->offset;
region.end = request->offset + request->length;
- handler->handler.length = request->length;
- handler->handler.address_callback = handle_request;
- handler->handler.callback_data = handler;
- handler->closure = request->closure;
- handler->client = client;
-
- if (fw_core_add_address_handler(&handler->handler, &region) < 0) {
- kfree(handler);
- return -EBUSY;
+ r->handler.length = request->length;
+ r->handler.address_callback = handle_request;
+ r->handler.callback_data = r;
+ r->closure = request->closure;
+ r->client = client;
+
+ ret = fw_core_add_address_handler(&r->handler, &region);
+ if (ret < 0) {
+ kfree(r);
+ return ret;
}
- handler->resource.release = release_address_handler;
- add_client_resource(client, &handler->resource);
- request->handle = handler->resource.handle;
+ r->resource.release = release_address_handler;
+ ret = add_client_resource(client, &r->resource, GFP_KERNEL);
+ if (ret < 0) {
+ release_address_handler(client, &r->resource);
+ return ret;
+ }
+ request->handle = r->resource.handle;
return 0;
}
@@ -555,18 +689,22 @@ static int ioctl_deallocate(struct client *client, void *buffer)
{
struct fw_cdev_deallocate *request = buffer;
- return release_client_resource(client, request->handle, NULL);
+ return release_client_resource(client, request->handle,
+ release_address_handler, NULL);
}
static int ioctl_send_response(struct client *client, void *buffer)
{
struct fw_cdev_send_response *request = buffer;
struct client_resource *resource;
- struct request *r;
+ struct inbound_transaction_resource *r;
- if (release_client_resource(client, request->handle, &resource) < 0)
+ if (release_client_resource(client, request->handle,
+ release_request, &resource) < 0)
return -EINVAL;
- r = container_of(resource, struct request, resource);
+
+ r = container_of(resource, struct inbound_transaction_resource,
+ resource);
if (request->length < r->length)
r->length = request->length;
if (copy_from_user(r->data, u64_to_uptr(request->data), r->length))
@@ -588,85 +726,92 @@ static int ioctl_initiate_bus_reset(struct client *client, void *buffer)
return fw_core_initiate_bus_reset(client->device->card, short_reset);
}
-struct descriptor {
- struct fw_descriptor d;
- struct client_resource resource;
- u32 data[0];
-};
-
static void release_descriptor(struct client *client,
struct client_resource *resource)
{
- struct descriptor *descriptor =
- container_of(resource, struct descriptor, resource);
+ struct descriptor_resource *r =
+ container_of(resource, struct descriptor_resource, resource);
- fw_core_remove_descriptor(&descriptor->d);
- kfree(descriptor);
+ fw_core_remove_descriptor(&r->descriptor);
+ kfree(r);
}
static int ioctl_add_descriptor(struct client *client, void *buffer)
{
struct fw_cdev_add_descriptor *request = buffer;
- struct descriptor *descriptor;
- int retval;
+ struct fw_card *card = client->device->card;
+ struct descriptor_resource *r;
+ int ret;
+
+ /* Access policy: Allow this ioctl only on local nodes' device files. */
+ spin_lock_irq(&card->lock);
+ ret = client->device->node_id != card->local_node->node_id;
+ spin_unlock_irq(&card->lock);
+ if (ret)
+ return -ENOSYS;
if (request->length > 256)
return -EINVAL;
- descriptor =
- kmalloc(sizeof(*descriptor) + request->length * 4, GFP_KERNEL);
- if (descriptor == NULL)
+ r = kmalloc(sizeof(*r) + request->length * 4, GFP_KERNEL);
+ if (r == NULL)
return -ENOMEM;
- if (copy_from_user(descriptor->data,
+ if (copy_from_user(r->data,
u64_to_uptr(request->data), request->length * 4)) {
- kfree(descriptor);
- return -EFAULT;
+ ret = -EFAULT;
+ goto failed;
}
- descriptor->d.length = request->length;
- descriptor->d.immediate = request->immediate;
- descriptor->d.key = request->key;
- descriptor->d.data = descriptor->data;
+ r->descriptor.length = request->length;
+ r->descriptor.immediate = request->immediate;
+ r->descriptor.key = request->key;
+ r->descriptor.data = r->data;
- retval = fw_core_add_descriptor(&descriptor->d);
- if (retval < 0) {
- kfree(descriptor);
- return retval;
- }
+ ret = fw_core_add_descriptor(&r->descriptor);
+ if (ret < 0)
+ goto failed;
- descriptor->resource.release = release_descriptor;
- add_client_resource(client, &descriptor->resource);
- request->handle = descriptor->resource.handle;
+ r->resource.release = release_descriptor;
+ ret = add_client_resource(client, &r->resource, GFP_KERNEL);
+ if (ret < 0) {
+ fw_core_remove_descriptor(&r->descriptor);
+ goto failed;
+ }
+ request->handle = r->resource.handle;
return 0;
+ failed:
+ kfree(r);
+
+ return ret;
}
static int ioctl_remove_descriptor(struct client *client, void *buffer)
{
struct fw_cdev_remove_descriptor *request = buffer;
- return release_client_resource(client, request->handle, NULL);
+ return release_client_resource(client, request->handle,
+ release_descriptor, NULL);
}
-static void
-iso_callback(struct fw_iso_context *context, u32 cycle,
- size_t header_length, void *header, void *data)
+static void iso_callback(struct fw_iso_context *context, u32 cycle,
+ size_t header_length, void *header, void *data)
{
struct client *client = data;
- struct iso_interrupt *irq;
+ struct iso_interrupt_event *e;
- irq = kzalloc(sizeof(*irq) + header_length, GFP_ATOMIC);
- if (irq == NULL)
+ e = kzalloc(sizeof(*e) + header_length, GFP_ATOMIC);
+ if (e == NULL)
return;
- irq->interrupt.type = FW_CDEV_EVENT_ISO_INTERRUPT;
- irq->interrupt.closure = client->iso_closure;
- irq->interrupt.cycle = cycle;
- irq->interrupt.header_length = header_length;
- memcpy(irq->interrupt.header, header, header_length);
- queue_event(client, &irq->event, &irq->interrupt,
- sizeof(irq->interrupt) + header_length, NULL, 0);
+ e->interrupt.type = FW_CDEV_EVENT_ISO_INTERRUPT;
+ e->interrupt.closure = client->iso_closure;
+ e->interrupt.cycle = cycle;
+ e->interrupt.header_length = header_length;
+ memcpy(e->interrupt.header, header, header_length);
+ queue_event(client, &e->event, &e->interrupt,
+ sizeof(e->interrupt) + header_length, NULL, 0);
}
static int ioctl_create_iso_context(struct client *client, void *buffer)
@@ -871,6 +1016,261 @@ static int ioctl_get_cycle_timer(struct client *client, void *buffer)
return 0;
}
+static void iso_resource_work(struct work_struct *work)
+{
+ struct iso_resource_event *e;
+ struct iso_resource *r =
+ container_of(work, struct iso_resource, work.work);
+ struct client *client = r->client;
+ int generation, channel, bandwidth, todo;
+ bool skip, free, success;
+
+ spin_lock_irq(&client->lock);
+ generation = client->device->generation;
+ todo = r->todo;
+ /* Allow 1000ms grace period for other reallocations. */
+ if (todo == ISO_RES_ALLOC &&
+ time_is_after_jiffies(client->device->card->reset_jiffies + HZ)) {
+ if (schedule_delayed_work(&r->work, DIV_ROUND_UP(HZ, 3)))
+ client_get(client);
+ skip = true;
+ } else {
+ /* We could be called twice within the same generation. */
+ skip = todo == ISO_RES_REALLOC &&
+ r->generation == generation;
+ }
+ free = todo == ISO_RES_DEALLOC ||
+ todo == ISO_RES_ALLOC_ONCE ||
+ todo == ISO_RES_DEALLOC_ONCE;
+ r->generation = generation;
+ spin_unlock_irq(&client->lock);
+
+ if (skip)
+ goto out;
+
+ bandwidth = r->bandwidth;
+
+ fw_iso_resource_manage(client->device->card, generation,
+ r->channels, &channel, &bandwidth,
+ todo == ISO_RES_ALLOC ||
+ todo == ISO_RES_REALLOC ||
+ todo == ISO_RES_ALLOC_ONCE);
+ /*
+ * Is this generation outdated already? As long as this resource sticks
+ * in the idr, it will be scheduled again for a newer generation or at
+ * shutdown.
+ */
+ if (channel == -EAGAIN &&
+ (todo == ISO_RES_ALLOC || todo == ISO_RES_REALLOC))
+ goto out;
+
+ success = channel >= 0 || bandwidth > 0;
+
+ spin_lock_irq(&client->lock);
+ /*
+ * Transit from allocation to reallocation, except if the client
+ * requested deallocation in the meantime.
+ */
+ if (r->todo == ISO_RES_ALLOC)
+ r->todo = ISO_RES_REALLOC;
+ /*
+ * Allocation or reallocation failure? Pull this resource out of the
+ * idr and prepare for deletion, unless the client is shutting down.
+ */
+ if (r->todo == ISO_RES_REALLOC && !success &&
+ !client->in_shutdown &&
+ idr_find(&client->resource_idr, r->resource.handle)) {
+ idr_remove(&client->resource_idr, r->resource.handle);
+ client_put(client);
+ free = true;
+ }
+ spin_unlock_irq(&client->lock);
+
+ if (todo == ISO_RES_ALLOC && channel >= 0)
+ r->channels = 1ULL << channel;
+
+ if (todo == ISO_RES_REALLOC && success)
+ goto out;
+
+ if (todo == ISO_RES_ALLOC || todo == ISO_RES_ALLOC_ONCE) {
+ e = r->e_alloc;
+ r->e_alloc = NULL;
+ } else {
+ e = r->e_dealloc;
+ r->e_dealloc = NULL;
+ }
+ e->resource.handle = r->resource.handle;
+ e->resource.channel = channel;
+ e->resource.bandwidth = bandwidth;
+
+ queue_event(client, &e->event,
+ &e->resource, sizeof(e->resource), NULL, 0);
+
+ if (free) {
+ cancel_delayed_work(&r->work);
+ kfree(r->e_alloc);
+ kfree(r->e_dealloc);
+ kfree(r);
+ }
+ out:
+ client_put(client);
+}
+
+static void schedule_iso_resource(struct iso_resource *r)
+{
+ client_get(r->client);
+ if (!schedule_delayed_work(&r->work, 0))
+ client_put(r->client);
+}
+
+static void release_iso_resource(struct client *client,
+ struct client_resource *resource)
+{
+ struct iso_resource *r =
+ container_of(resource, struct iso_resource, resource);
+
+ spin_lock_irq(&client->lock);
+ r->todo = ISO_RES_DEALLOC;
+ schedule_iso_resource(r);
+ spin_unlock_irq(&client->lock);
+}
+
+static int init_iso_resource(struct client *client,
+ struct fw_cdev_allocate_iso_resource *request, int todo)
+{
+ struct iso_resource_event *e1, *e2;
+ struct iso_resource *r;
+ int ret;
+
+ if ((request->channels == 0 && request->bandwidth == 0) ||
+ request->bandwidth > BANDWIDTH_AVAILABLE_INITIAL ||
+ request->bandwidth < 0)
+ return -EINVAL;
+
+ r = kmalloc(sizeof(*r), GFP_KERNEL);
+ e1 = kmalloc(sizeof(*e1), GFP_KERNEL);
+ e2 = kmalloc(sizeof(*e2), GFP_KERNEL);
+ if (r == NULL || e1 == NULL || e2 == NULL) {
+ ret = -ENOMEM;
+ goto fail;
+ }
+
+ INIT_DELAYED_WORK(&r->work, iso_resource_work);
+ r->client = client;
+ r->todo = todo;
+ r->generation = -1;
+ r->channels = request->channels;
+ r->bandwidth = request->bandwidth;
+ r->e_alloc = e1;
+ r->e_dealloc = e2;
+
+ e1->resource.closure = request->closure;
+ e1->resource.type = FW_CDEV_EVENT_ISO_RESOURCE_ALLOCATED;
+ e2->resource.closure = request->closure;
+ e2->resource.type = FW_CDEV_EVENT_ISO_RESOURCE_DEALLOCATED;
+
+ if (todo == ISO_RES_ALLOC) {
+ r->resource.release = release_iso_resource;
+ ret = add_client_resource(client, &r->resource, GFP_KERNEL);
+ if (ret < 0)
+ goto fail;
+ } else {
+ r->resource.release = NULL;
+ r->resource.handle = -1;
+ schedule_iso_resource(r);
+ }
+ request->handle = r->resource.handle;
+
+ return 0;
+ fail:
+ kfree(r);
+ kfree(e1);
+ kfree(e2);
+
+ return ret;
+}
+
+static int ioctl_allocate_iso_resource(struct client *client, void *buffer)
+{
+ struct fw_cdev_allocate_iso_resource *request = buffer;
+
+ return init_iso_resource(client, request, ISO_RES_ALLOC);
+}
+
+static int ioctl_deallocate_iso_resource(struct client *client, void *buffer)
+{
+ struct fw_cdev_deallocate *request = buffer;
+
+ return release_client_resource(client, request->handle,
+ release_iso_resource, NULL);
+}
+
+static int ioctl_allocate_iso_resource_once(struct client *client, void *buffer)
+{
+ struct fw_cdev_allocate_iso_resource *request = buffer;
+
+ return init_iso_resource(client, request, ISO_RES_ALLOC_ONCE);
+}
+
+static int ioctl_deallocate_iso_resource_once(struct client *client, void *buffer)
+{
+ struct fw_cdev_allocate_iso_resource *request = buffer;
+
+ return init_iso_resource(client, request, ISO_RES_DEALLOC_ONCE);
+}
+
+/*
+ * Returns a speed code: Maximum speed to or from this device,
+ * limited by the device's link speed, the local node's link speed,
+ * and all PHY port speeds between the two links.
+ */
+static int ioctl_get_speed(struct client *client, void *buffer)
+{
+ return client->device->max_speed;
+}
+
+static int ioctl_send_broadcast_request(struct client *client, void *buffer)
+{
+ struct fw_cdev_send_request *request = buffer;
+
+ switch (request->tcode) {
+ case TCODE_WRITE_QUADLET_REQUEST:
+ case TCODE_WRITE_BLOCK_REQUEST:
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* Security policy: Only allow accesses to Units Space. */
+ if (request->offset < CSR_REGISTER_BASE + CSR_CONFIG_ROM_END)
+ return -EACCES;
+
+ return init_request(client, request, LOCAL_BUS | 0x3f, SCODE_100);
+}
+
+static int ioctl_send_stream_packet(struct client *client, void *buffer)
+{
+ struct fw_cdev_send_stream_packet *p = buffer;
+ struct fw_cdev_send_request request;
+ int dest;
+
+ if (p->speed > client->device->card->link_speed ||
+ p->length > 1024 << p->speed)
+ return -EIO;
+
+ if (p->tag > 3 || p->channel > 63 || p->sy > 15)
+ return -EINVAL;
+
+ dest = fw_stream_packet_destination_id(p->tag, p->channel, p->sy);
+ request.tcode = TCODE_STREAM_DATA;
+ request.length = p->length;
+ request.closure = p->closure;
+ request.data = p->data;
+ request.generation = p->generation;
+
+ return init_request(client, &request, dest, p->speed);
+}
+
static int (* const ioctl_handlers[])(struct client *client, void *buffer) = {
ioctl_get_info,
ioctl_send_request,
@@ -885,13 +1285,20 @@ static int (* const ioctl_handlers[])(struct client *client, void *buffer) = {
ioctl_start_iso,
ioctl_stop_iso,
ioctl_get_cycle_timer,
+ ioctl_allocate_iso_resource,
+ ioctl_deallocate_iso_resource,
+ ioctl_allocate_iso_resource_once,
+ ioctl_deallocate_iso_resource_once,
+ ioctl_get_speed,
+ ioctl_send_broadcast_request,
+ ioctl_send_stream_packet,
};
-static int
-dispatch_ioctl(struct client *client, unsigned int cmd, void __user *arg)
+static int dispatch_ioctl(struct client *client,
+ unsigned int cmd, void __user *arg)
{
char buffer[256];
- int retval;
+ int ret;
if (_IOC_TYPE(cmd) != '#' ||
_IOC_NR(cmd) >= ARRAY_SIZE(ioctl_handlers))
@@ -903,9 +1310,9 @@ dispatch_ioctl(struct client *client, unsigned int cmd, void __user *arg)
return -EFAULT;
}
- retval = ioctl_handlers[_IOC_NR(cmd)](client, buffer);
- if (retval < 0)
- return retval;
+ ret = ioctl_handlers[_IOC_NR(cmd)](client, buffer);
+ if (ret < 0)
+ return ret;
if (_IOC_DIR(cmd) & _IOC_READ) {
if (_IOC_SIZE(cmd) > sizeof(buffer) ||
@@ -913,12 +1320,11 @@ dispatch_ioctl(struct client *client, unsigned int cmd, void __user *arg)
return -EFAULT;
}
- return retval;
+ return ret;
}
-static long
-fw_device_op_ioctl(struct file *file,
- unsigned int cmd, unsigned long arg)
+static long fw_device_op_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
{
struct client *client = file->private_data;
@@ -929,9 +1335,8 @@ fw_device_op_ioctl(struct file *file,
}
#ifdef CONFIG_COMPAT
-static long
-fw_device_op_compat_ioctl(struct file *file,
- unsigned int cmd, unsigned long arg)
+static long fw_device_op_compat_ioctl(struct file *file,
+ unsigned int cmd, unsigned long arg)
{
struct client *client = file->private_data;
@@ -947,7 +1352,7 @@ static int fw_device_op_mmap(struct file *file, struct vm_area_struct *vma)
struct client *client = file->private_data;
enum dma_data_direction direction;
unsigned long size;
- int page_count, retval;
+ int page_count, ret;
if (fw_device_is_shutdown(client->device))
return -ENODEV;
@@ -973,48 +1378,57 @@ static int fw_device_op_mmap(struct file *file, struct vm_area_struct *vma)
else
direction = DMA_FROM_DEVICE;
- retval = fw_iso_buffer_init(&client->buffer, client->device->card,
- page_count, direction);
- if (retval < 0)
- return retval;
+ ret = fw_iso_buffer_init(&client->buffer, client->device->card,
+ page_count, direction);
+ if (ret < 0)
+ return ret;
- retval = fw_iso_buffer_map(&client->buffer, vma);
- if (retval < 0)
+ ret = fw_iso_buffer_map(&client->buffer, vma);
+ if (ret < 0)
fw_iso_buffer_destroy(&client->buffer, client->device->card);
- return retval;
+ return ret;
+}
+
+static int shutdown_resource(int id, void *p, void *data)
+{
+ struct client_resource *r = p;
+ struct client *client = data;
+
+ r->release(client, r);
+ client_put(client);
+
+ return 0;
}
static int fw_device_op_release(struct inode *inode, struct file *file)
{
struct client *client = file->private_data;
struct event *e, *next_e;
- struct client_resource *r, *next_r;
- unsigned long flags;
- if (client->buffer.pages)
- fw_iso_buffer_destroy(&client->buffer, client->device->card);
+ mutex_lock(&client->device->client_list_mutex);
+ list_del(&client->link);
+ mutex_unlock(&client->device->client_list_mutex);
if (client->iso_context)
fw_iso_context_destroy(client->iso_context);
- list_for_each_entry_safe(r, next_r, &client->resource_list, link)
- r->release(client, r);
+ if (client->buffer.pages)
+ fw_iso_buffer_destroy(&client->buffer, client->device->card);
- /*
- * FIXME: We should wait for the async tasklets to stop
- * running before freeing the memory.
- */
+ /* Freeze client->resource_idr and client->event_list */
+ spin_lock_irq(&client->lock);
+ client->in_shutdown = true;
+ spin_unlock_irq(&client->lock);
+
+ idr_for_each(&client->resource_idr, shutdown_resource, client);
+ idr_remove_all(&client->resource_idr);
+ idr_destroy(&client->resource_idr);
list_for_each_entry_safe(e, next_e, &client->event_list, link)
kfree(e);
- spin_lock_irqsave(&client->device->card->lock, flags);
- list_del(&client->link);
- spin_unlock_irqrestore(&client->device->card->lock, flags);
-
- fw_device_put(client->device);
- kfree(client);
+ client_put(client);
return 0;
}
diff --git a/drivers/firewire/fw-device.c b/drivers/firewire/fw-device.c
index bf53acb4565..a47e2129d83 100644
--- a/drivers/firewire/fw-device.c
+++ b/drivers/firewire/fw-device.c
@@ -18,22 +18,26 @@
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
-#include <linux/module.h>
-#include <linux/wait.h>
-#include <linux/errno.h>
-#include <linux/kthread.h>
-#include <linux/device.h>
+#include <linux/ctype.h>
#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/errno.h>
#include <linux/idr.h>
#include <linux/jiffies.h>
-#include <linux/string.h>
+#include <linux/kobject.h>
+#include <linux/list.h>
+#include <linux/mutex.h>
#include <linux/rwsem.h>
#include <linux/semaphore.h>
+#include <linux/spinlock.h>
+#include <linux/string.h>
+#include <linux/workqueue.h>
+
#include <asm/system.h>
-#include <linux/ctype.h>
-#include "fw-transaction.h"
-#include "fw-topology.h"
+
#include "fw-device.h"
+#include "fw-topology.h"
+#include "fw-transaction.h"
void fw_csr_iterator_init(struct fw_csr_iterator *ci, u32 * p)
{
@@ -132,8 +136,7 @@ static int get_modalias(struct fw_unit *unit, char *buffer, size_t buffer_size)
vendor, model, specifier_id, version);
}
-static int
-fw_unit_uevent(struct device *dev, struct kobj_uevent_env *env)
+static int fw_unit_uevent(struct device *dev, struct kobj_uevent_env *env)
{
struct fw_unit *unit = fw_unit(dev);
char modalias[64];
@@ -152,27 +155,6 @@ struct bus_type fw_bus_type = {
};
EXPORT_SYMBOL(fw_bus_type);
-static void fw_device_release(struct device *dev)
-{
- struct fw_device *device = fw_device(dev);
- struct fw_card *card = device->card;
- unsigned long flags;
-
- /*
- * Take the card lock so we don't set this to NULL while a
- * FW_NODE_UPDATED callback is being handled or while the
- * bus manager work looks at this node.
- */
- spin_lock_irqsave(&card->lock, flags);
- device->node->data = NULL;
- spin_unlock_irqrestore(&card->lock, flags);
-
- fw_node_put(device->node);
- kfree(device->config_rom);
- kfree(device);
- fw_card_put(card);
-}
-
int fw_device_enable_phys_dma(struct fw_device *device)
{
int generation = device->generation;
@@ -191,8 +173,8 @@ struct config_rom_attribute {
u32 key;
};
-static ssize_t
-show_immediate(struct device *dev, struct device_attribute *dattr, char *buf)
+static ssize_t show_immediate(struct device *dev,
+ struct device_attribute *dattr, char *buf)
{
struct config_rom_attribute *attr =
container_of(dattr, struct config_rom_attribute, attr);
@@ -223,8 +205,8 @@ show_immediate(struct device *dev, struct device_attribute *dattr, char *buf)
#define IMMEDIATE_ATTR(name, key) \
{ __ATTR(name, S_IRUGO, show_immediate, NULL), key }
-static ssize_t
-show_text_leaf(struct device *dev, struct device_attribute *dattr, char *buf)
+static ssize_t show_text_leaf(struct device *dev,
+ struct device_attribute *dattr, char *buf)
{
struct config_rom_attribute *attr =
container_of(dattr, struct config_rom_attribute, attr);
@@ -293,10 +275,9 @@ static struct config_rom_attribute config_rom_attributes[] = {
TEXT_LEAF_ATTR(hardware_version_name, CSR_HARDWARE_VERSION),
};
-static void
-init_fw_attribute_group(struct device *dev,
- struct device_attribute *attrs,
- struct fw_attribute_group *group)
+static void init_fw_attribute_group(struct device *dev,
+ struct device_attribute *attrs,
+ struct fw_attribute_group *group)
{
struct device_attribute *attr;
int i, j;
@@ -319,9 +300,8 @@ init_fw_attribute_group(struct device *dev,
dev->groups = group->groups;
}
-static ssize_t
-modalias_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t modalias_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct fw_unit *unit = fw_unit(dev);
int length;
@@ -332,9 +312,8 @@ modalias_show(struct device *dev,
return length + 1;
}
-static ssize_t
-rom_index_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+static ssize_t rom_index_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct fw_device *device = fw_device(dev->parent);
struct fw_unit *unit = fw_unit(dev);
@@ -349,8 +328,8 @@ static struct device_attribute fw_unit_attributes[] = {
__ATTR_NULL,
};
-static ssize_t
-config_rom_show(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t config_rom_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct fw_device *device = fw_device(dev);
size_t length;
@@ -363,8 +342,8 @@ config_rom_show(struct device *dev, struct device_attribute *attr, char *buf)
return length;
}
-static ssize_t
-guid_show(struct device *dev, struct device_attribute *attr, char *buf)
+static ssize_t guid_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct fw_device *device = fw_device(dev);
int ret;
@@ -383,8 +362,8 @@ static struct device_attribute fw_device_attributes[] = {
__ATTR_NULL,
};
-static int
-read_rom(struct fw_device *device, int generation, int index, u32 *data)
+static int read_rom(struct fw_device *device,
+ int generation, int index, u32 *data)
{
int rcode;
@@ -539,7 +518,7 @@ static int read_bus_info_block(struct fw_device *device, int generation)
kfree(old_rom);
ret = 0;
- device->cmc = rom[2] & 1 << 30;
+ device->cmc = rom[2] >> 30 & 1;
out:
kfree(rom);
@@ -679,11 +658,53 @@ static void fw_device_shutdown(struct work_struct *work)
fw_device_put(device);
}
+static void fw_device_release(struct device *dev)
+{
+ struct fw_device *device = fw_device(dev);
+ struct fw_card *card = device->card;
+ unsigned long flags;
+
+ /*
+ * Take the card lock so we don't set this to NULL while a
+ * FW_NODE_UPDATED callback is being handled or while the
+ * bus manager work looks at this node.
+ */
+ spin_lock_irqsave(&card->lock, flags);
+ device->node->data = NULL;
+ spin_unlock_irqrestore(&card->lock, flags);
+
+ fw_node_put(device->node);
+ kfree(device->config_rom);
+ kfree(device);
+ fw_card_put(card);
+}
+
static struct device_type fw_device_type = {
- .release = fw_device_release,
+ .release = fw_device_release,
};
-static void fw_device_update(struct work_struct *work);
+static int update_unit(struct device *dev, void *data)
+{
+ struct fw_unit *unit = fw_unit(dev);
+ struct fw_driver *driver = (struct fw_driver *)dev->driver;
+
+ if (is_fw_unit(dev) && driver != NULL && driver->update != NULL) {
+ down(&dev->sem);
+ driver->update(unit);
+ up(&dev->sem);
+ }
+
+ return 0;
+}
+
+static void fw_device_update(struct work_struct *work)
+{
+ struct fw_device *device =
+ container_of(work, struct fw_device, work.work);
+
+ fw_device_cdev_update(device);
+ device_for_each_child(&device->device, NULL, update_unit);
+}
/*
* If a device was pending for deletion because its node went away but its
@@ -735,12 +756,50 @@ static int lookup_existing_device(struct device *dev, void *data)
return match;
}
+enum { BC_UNKNOWN = 0, BC_UNIMPLEMENTED, BC_IMPLEMENTED, };
+
+void fw_device_set_broadcast_channel(struct fw_device *device, int generation)
+{
+ struct fw_card *card = device->card;
+ __be32 data;
+ int rcode;
+
+ if (!card->broadcast_channel_allocated)
+ return;
+
+ if (device->bc_implemented == BC_UNKNOWN) {
+ rcode = fw_run_transaction(card, TCODE_READ_QUADLET_REQUEST,
+ device->node_id, generation, device->max_speed,
+ CSR_REGISTER_BASE + CSR_BROADCAST_CHANNEL,
+ &data, 4);
+ switch (rcode) {
+ case RCODE_COMPLETE:
+ if (data & cpu_to_be32(1 << 31)) {
+ device->bc_implemented = BC_IMPLEMENTED;
+ break;
+ }
+ /* else fall through to case address error */
+ case RCODE_ADDRESS_ERROR:
+ device->bc_implemented = BC_UNIMPLEMENTED;
+ }
+ }
+
+ if (device->bc_implemented == BC_IMPLEMENTED) {
+ data = cpu_to_be32(BROADCAST_CHANNEL_INITIAL |
+ BROADCAST_CHANNEL_VALID);
+ fw_run_transaction(card, TCODE_WRITE_QUADLET_REQUEST,
+ device->node_id, generation, device->max_speed,
+ CSR_REGISTER_BASE + CSR_BROADCAST_CHANNEL,
+ &data, 4);
+ }
+}
+
static void fw_device_init(struct work_struct *work)
{
struct fw_device *device =
container_of(work, struct fw_device, work.work);
struct device *revived_dev;
- int minor, err;
+ int minor, ret;
/*
* All failure paths here set node->data to NULL, so that we
@@ -776,12 +835,12 @@ static void fw_device_init(struct work_struct *work)
fw_device_get(device);
down_write(&fw_device_rwsem);
- err = idr_pre_get(&fw_device_idr, GFP_KERNEL) ?
+ ret = idr_pre_get(&fw_device_idr, GFP_KERNEL) ?
idr_get_new(&fw_device_idr, device, &minor) :
-ENOMEM;
up_write(&fw_device_rwsem);
- if (err < 0)
+ if (ret < 0)
goto error;
device->device.bus = &fw_bus_type;
@@ -828,6 +887,8 @@ static void fw_device_init(struct work_struct *work)
device->config_rom[3], device->config_rom[4],
1 << device->max_speed);
device->config_rom_retries = 0;
+
+ fw_device_set_broadcast_channel(device, device->generation);
}
/*
@@ -851,29 +912,6 @@ static void fw_device_init(struct work_struct *work)
put_device(&device->device); /* our reference */
}
-static int update_unit(struct device *dev, void *data)
-{
- struct fw_unit *unit = fw_unit(dev);
- struct fw_driver *driver = (struct fw_driver *)dev->driver;
-
- if (is_fw_unit(dev) && driver != NULL && driver->update != NULL) {
- down(&dev->sem);
- driver->update(unit);
- up(&dev->sem);
- }
-
- return 0;
-}
-
-static void fw_device_update(struct work_struct *work)
-{
- struct fw_device *device =
- container_of(work, struct fw_device, work.work);
-
- fw_device_cdev_update(device);
- device_for_each_child(&device->device, NULL, update_unit);
-}
-
enum {
REREAD_BIB_ERROR,
REREAD_BIB_GONE,
@@ -894,7 +932,7 @@ static int reread_bus_info_block(struct fw_device *device, int generation)
if (i == 0 && q == 0)
return REREAD_BIB_GONE;
- if (i > device->config_rom_length || q != device->config_rom[i])
+ if (q != device->config_rom[i])
return REREAD_BIB_CHANGED;
}
@@ -1004,6 +1042,7 @@ void fw_node_event(struct fw_card *card, struct fw_node *node, int event)
device->node = fw_node_get(node);
device->node_id = node->node_id;
device->generation = card->generation;
+ mutex_init(&device->client_list_mutex);
INIT_LIST_HEAD(&device->client_list);
/*
diff --git a/drivers/firewire/fw-device.h b/drivers/firewire/fw-device.h
index 8ef6ec2ca21..97588937c01 100644
--- a/drivers/firewire/fw-device.h
+++ b/drivers/firewire/fw-device.h
@@ -19,10 +19,17 @@
#ifndef __fw_device_h
#define __fw_device_h
+#include <linux/device.h>
#include <linux/fs.h>
-#include <linux/cdev.h>
#include <linux/idr.h>
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/mutex.h>
#include <linux/rwsem.h>
+#include <linux/sysfs.h>
+#include <linux/types.h>
+#include <linux/workqueue.h>
+
#include <asm/atomic.h>
enum fw_device_state {
@@ -38,6 +45,9 @@ struct fw_attribute_group {
struct attribute *attrs[11];
};
+struct fw_node;
+struct fw_card;
+
/*
* Note, fw_device.generation always has to be read before fw_device.node_id.
* Use SMP memory barriers to ensure this. Otherwise requests will be sent
@@ -61,13 +71,18 @@ struct fw_device {
int node_id;
int generation;
unsigned max_speed;
- bool cmc;
struct fw_card *card;
struct device device;
+
+ struct mutex client_list_mutex;
struct list_head client_list;
+
u32 *config_rom;
size_t config_rom_length;
int config_rom_retries;
+ unsigned cmc:1;
+ unsigned bc_implemented:2;
+
struct delayed_work work;
struct fw_attribute_group attribute_group;
};
@@ -96,6 +111,7 @@ static inline void fw_device_put(struct fw_device *device)
struct fw_device *fw_device_get_by_devt(dev_t devt);
int fw_device_enable_phys_dma(struct fw_device *device);
+void fw_device_set_broadcast_channel(struct fw_device *device, int generation);
void fw_device_cdev_update(struct fw_device *device);
void fw_device_cdev_remove(struct fw_device *device);
@@ -176,8 +192,7 @@ struct fw_driver {
const struct fw_device_id *id_table;
};
-static inline struct fw_driver *
-fw_driver(struct device_driver *drv)
+static inline struct fw_driver *fw_driver(struct device_driver *drv)
{
return container_of(drv, struct fw_driver, driver);
}
diff --git a/drivers/firewire/fw-iso.c b/drivers/firewire/fw-iso.c
index e14c03dc006..2baf1007253 100644
--- a/drivers/firewire/fw-iso.c
+++ b/drivers/firewire/fw-iso.c
@@ -1,5 +1,7 @@
/*
- * Isochronous IO functionality
+ * Isochronous I/O functionality:
+ * - Isochronous DMA context management
+ * - Isochronous bus resource management (channels, bandwidth), client side
*
* Copyright (C) 2006 Kristian Hoegsberg <krh@bitplanet.net>
*
@@ -18,21 +20,25 @@
* Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
*/
-#include <linux/kernel.h>
-#include <linux/module.h>
#include <linux/dma-mapping.h>
-#include <linux/vmalloc.h>
+#include <linux/errno.h>
+#include <linux/firewire-constants.h>
+#include <linux/kernel.h>
#include <linux/mm.h>
+#include <linux/spinlock.h>
+#include <linux/vmalloc.h>
-#include "fw-transaction.h"
#include "fw-topology.h"
-#include "fw-device.h"
+#include "fw-transaction.h"
-int
-fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card,
- int page_count, enum dma_data_direction direction)
+/*
+ * Isochronous DMA context management
+ */
+
+int fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card,
+ int page_count, enum dma_data_direction direction)
{
- int i, j, retval = -ENOMEM;
+ int i, j;
dma_addr_t address;
buffer->page_count = page_count;
@@ -69,19 +75,21 @@ fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card,
kfree(buffer->pages);
out:
buffer->pages = NULL;
- return retval;
+
+ return -ENOMEM;
}
int fw_iso_buffer_map(struct fw_iso_buffer *buffer, struct vm_area_struct *vma)
{
unsigned long uaddr;
- int i, retval;
+ int i, err;
uaddr = vma->vm_start;
for (i = 0; i < buffer->page_count; i++) {
- retval = vm_insert_page(vma, uaddr, buffer->pages[i]);
- if (retval)
- return retval;
+ err = vm_insert_page(vma, uaddr, buffer->pages[i]);
+ if (err)
+ return err;
+
uaddr += PAGE_SIZE;
}
@@ -105,14 +113,14 @@ void fw_iso_buffer_destroy(struct fw_iso_buffer *buffer,
buffer->pages = NULL;
}
-struct fw_iso_context *
-fw_iso_context_create(struct fw_card *card, int type,
- int channel, int speed, size_t header_size,
- fw_iso_callback_t callback, void *callback_data)
+struct fw_iso_context *fw_iso_context_create(struct fw_card *card,
+ int type, int channel, int speed, size_t header_size,
+ fw_iso_callback_t callback, void *callback_data)
{
struct fw_iso_context *ctx;
- ctx = card->driver->allocate_iso_context(card, type, header_size);
+ ctx = card->driver->allocate_iso_context(card,
+ type, channel, header_size);
if (IS_ERR(ctx))
return ctx;
@@ -134,25 +142,186 @@ void fw_iso_context_destroy(struct fw_iso_context *ctx)
card->driver->free_iso_context(ctx);
}
-int
-fw_iso_context_start(struct fw_iso_context *ctx, int cycle, int sync, int tags)
+int fw_iso_context_start(struct fw_iso_context *ctx,
+ int cycle, int sync, int tags)
{
return ctx->card->driver->start_iso(ctx, cycle, sync, tags);
}
-int
-fw_iso_context_queue(struct fw_iso_context *ctx,
- struct fw_iso_packet *packet,
- struct fw_iso_buffer *buffer,
- unsigned long payload)
+int fw_iso_context_queue(struct fw_iso_context *ctx,
+ struct fw_iso_packet *packet,
+ struct fw_iso_buffer *buffer,
+ unsigned long payload)
{
struct fw_card *card = ctx->card;
return card->driver->queue_iso(ctx, packet, buffer, payload);
}
-int
-fw_iso_context_stop(struct fw_iso_context *ctx)
+int fw_iso_context_stop(struct fw_iso_context *ctx)
{
return ctx->card->driver->stop_iso(ctx);
}
+
+/*
+ * Isochronous bus resource management (channels, bandwidth), client side
+ */
+
+static int manage_bandwidth(struct fw_card *card, int irm_id, int generation,
+ int bandwidth, bool allocate)
+{
+ __be32 data[2];
+ int try, new, old = allocate ? BANDWIDTH_AVAILABLE_INITIAL : 0;
+
+ /*
+ * On a 1394a IRM with low contention, try < 1 is enough.
+ * On a 1394-1995 IRM, we need at least try < 2.
+ * Let's just do try < 5.
+ */
+ for (try = 0; try < 5; try++) {
+ new = allocate ? old - bandwidth : old + bandwidth;
+ if (new < 0 || new > BANDWIDTH_AVAILABLE_INITIAL)
+ break;
+
+ data[0] = cpu_to_be32(old);
+ data[1] = cpu_to_be32(new);
+ switch (fw_run_transaction(card, TCODE_LOCK_COMPARE_SWAP,
+ irm_id, generation, SCODE_100,
+ CSR_REGISTER_BASE + CSR_BANDWIDTH_AVAILABLE,
+ data, sizeof(data))) {
+ case RCODE_GENERATION:
+ /* A generation change frees all bandwidth. */
+ return allocate ? -EAGAIN : bandwidth;
+
+ case RCODE_COMPLETE:
+ if (be32_to_cpup(data) == old)
+ return bandwidth;
+
+ old = be32_to_cpup(data);
+ /* Fall through. */
+ }
+ }
+
+ return -EIO;
+}
+
+static int manage_channel(struct fw_card *card, int irm_id, int generation,
+ u32 channels_mask, u64 offset, bool allocate)
+{
+ __be32 data[2], c, all, old;
+ int i, retry = 5;
+
+ old = all = allocate ? cpu_to_be32(~0) : 0;
+
+ for (i = 0; i < 32; i++) {
+ if (!(channels_mask & 1 << i))
+ continue;
+
+ c = cpu_to_be32(1 << (31 - i));
+ if ((old & c) != (all & c))
+ continue;
+
+ data[0] = old;
+ data[1] = old ^ c;
+ switch (fw_run_transaction(card, TCODE_LOCK_COMPARE_SWAP,
+ irm_id, generation, SCODE_100,
+ offset, data, sizeof(data))) {
+ case RCODE_GENERATION:
+ /* A generation change frees all channels. */
+ return allocate ? -EAGAIN : i;
+
+ case RCODE_COMPLETE:
+ if (data[0] == old)
+ return i;
+
+ old = data[0];
+
+ /* Is the IRM 1394a-2000 compliant? */
+ if ((data[0] & c) == (data[1] & c))
+ continue;
+
+ /* 1394-1995 IRM, fall through to retry. */
+ default:
+ if (retry--)
+ i--;
+ }
+ }
+
+ return -EIO;
+}
+
+static void deallocate_channel(struct fw_card *card, int irm_id,
+ int generation, int channel)
+{
+ u32 mask;
+ u64 offset;
+
+ mask = channel < 32 ? 1 << channel : 1 << (channel - 32);
+ offset = channel < 32 ? CSR_REGISTER_BASE + CSR_CHANNELS_AVAILABLE_HI :
+ CSR_REGISTER_BASE + CSR_CHANNELS_AVAILABLE_LO;
+
+ manage_channel(card, irm_id, generation, mask, offset, false);
+}
+
+/**
+ * fw_iso_resource_manage - Allocate or deallocate a channel and/or bandwidth
+ *
+ * In parameters: card, generation, channels_mask, bandwidth, allocate
+ * Out parameters: channel, bandwidth
+ * This function blocks (sleeps) during communication with the IRM.
+ *
+ * Allocates or deallocates at most one channel out of channels_mask.
+ * channels_mask is a bitfield with MSB for channel 63 and LSB for channel 0.
+ * (Note, the IRM's CHANNELS_AVAILABLE is a big-endian bitfield with MSB for
+ * channel 0 and LSB for channel 63.)
+ * Allocates or deallocates as many bandwidth allocation units as specified.
+ *
+ * Returns channel < 0 if no channel was allocated or deallocated.
+ * Returns bandwidth = 0 if no bandwidth was allocated or deallocated.
+ *
+ * If generation is stale, deallocations succeed but allocations fail with
+ * channel = -EAGAIN.
+ *
+ * If channel allocation fails, no bandwidth will be allocated either.
+ * If bandwidth allocation fails, no channel will be allocated either.
+ * But deallocations of channel and bandwidth are tried independently
+ * of each other's success.
+ */
+void fw_iso_resource_manage(struct fw_card *card, int generation,
+ u64 channels_mask, int *channel, int *bandwidth,
+ bool allocate)
+{
+ u32 channels_hi = channels_mask; /* channels 31...0 */
+ u32 channels_lo = channels_mask >> 32; /* channels 63...32 */
+ int irm_id, ret, c = -EINVAL;
+
+ spin_lock_irq(&card->lock);
+ irm_id = card->irm_node->node_id;
+ spin_unlock_irq(&card->lock);
+
+ if (channels_hi)
+ c = manage_channel(card, irm_id, generation, channels_hi,
+ CSR_REGISTER_BASE + CSR_CHANNELS_AVAILABLE_HI, allocate);
+ if (channels_lo && c < 0) {
+ c = manage_channel(card, irm_id, generation, channels_lo,
+ CSR_REGISTER_BASE + CSR_CHANNELS_AVAILABLE_LO, allocate);
+ if (c >= 0)
+ c += 32;
+ }
+ *channel = c;
+
+ if (allocate && channels_mask != 0 && c < 0)
+ *bandwidth = 0;
+
+ if (*bandwidth == 0)
+ return;
+
+ ret = manage_bandwidth(card, irm_id, generation, *bandwidth, allocate);
+ if (ret < 0)
+ *bandwidth = 0;
+
+ if (allocate && ret < 0 && c >= 0) {
+ deallocate_channel(card, irm_id, generation, c);
+ *channel = ret;
+ }
+}
diff --git a/drivers/firewire/fw-ohci.c b/drivers/firewire/fw-ohci.c
index 6d19828a93a..1180d0be0bb 100644
--- a/drivers/firewire/fw-ohci.c
+++ b/drivers/firewire/fw-ohci.c
@@ -205,6 +205,7 @@ struct fw_ohci {
u32 it_context_mask;
struct iso_context *it_context_list;
+ u64 ir_context_channels;
u32 ir_context_mask;
struct iso_context *ir_context_list;
};
@@ -441,9 +442,8 @@ static inline void flush_writes(const struct fw_ohci *ohci)
reg_read(ohci, OHCI1394_Version);
}
-static int
-ohci_update_phy_reg(struct fw_card *card, int addr,
- int clear_bits, int set_bits)
+static int ohci_update_phy_reg(struct fw_card *card, int addr,
+ int clear_bits, int set_bits)
{
struct fw_ohci *ohci = fw_ohci(card);
u32 val, old;
@@ -658,8 +658,8 @@ static void ar_context_tasklet(unsigned long data)
}
}
-static int
-ar_context_init(struct ar_context *ctx, struct fw_ohci *ohci, u32 regs)
+static int ar_context_init(struct ar_context *ctx,
+ struct fw_ohci *ohci, u32 regs)
{
struct ar_buffer ab;
@@ -690,8 +690,7 @@ static void ar_context_run(struct ar_context *ctx)
flush_writes(ctx->ohci);
}
-static struct descriptor *
-find_branch_descriptor(struct descriptor *d, int z)
+static struct descriptor *find_branch_descriptor(struct descriptor *d, int z)
{
int b, key;
@@ -751,8 +750,7 @@ static void context_tasklet(unsigned long data)
* Allocate a new buffer and add it to the list of free buffers for this
* context. Must be called with ohci->lock held.
*/
-static int
-context_add_buffer(struct context *ctx)
+static int context_add_buffer(struct context *ctx)
{
struct descriptor_buffer *desc;
dma_addr_t uninitialized_var(bus_addr);
@@ -781,9 +779,8 @@ context_add_buffer(struct context *ctx)
return 0;
}
-static int
-context_init(struct context *ctx, struct fw_ohci *ohci,
- u32 regs, descriptor_callback_t callback)
+static int context_init(struct context *ctx, struct fw_ohci *ohci,
+ u32 regs, descriptor_callback_t callback)
{
ctx->ohci = ohci;
ctx->regs = regs;
@@ -814,8 +811,7 @@ context_init(struct context *ctx, struct fw_ohci *ohci,
return 0;
}
-static void
-context_release(struct context *ctx)
+static void context_release(struct context *ctx)
{
struct fw_card *card = &ctx->ohci->card;
struct descriptor_buffer *desc, *tmp;
@@ -827,8 +823,8 @@ context_release(struct context *ctx)
}
/* Must be called with ohci->lock held */
-static struct descriptor *
-context_get_descriptors(struct context *ctx, int z, dma_addr_t *d_bus)
+static struct descriptor *context_get_descriptors(struct context *ctx,
+ int z, dma_addr_t *d_bus)
{
struct descriptor *d = NULL;
struct descriptor_buffer *desc = ctx->buffer_tail;
@@ -912,8 +908,8 @@ struct driver_data {
* Must always be called with the ochi->lock held to ensure proper
* generation handling and locking around packet queue manipulation.
*/
-static int
-at_context_queue_packet(struct context *ctx, struct fw_packet *packet)
+static int at_context_queue_packet(struct context *ctx,
+ struct fw_packet *packet)
{
struct fw_ohci *ohci = ctx->ohci;
dma_addr_t d_bus, uninitialized_var(payload_bus);
@@ -940,7 +936,9 @@ at_context_queue_packet(struct context *ctx, struct fw_packet *packet)
*/
header = (__le32 *) &d[1];
- if (packet->header_length > 8) {
+ switch (packet->header_length) {
+ case 16:
+ case 12:
header[0] = cpu_to_le32((packet->header[0] & 0xffff) |
(packet->speed << 16));
header[1] = cpu_to_le32((packet->header[1] & 0xffff) |
@@ -954,12 +952,27 @@ at_context_queue_packet(struct context *ctx, struct fw_packet *packet)
header[3] = (__force __le32) packet->header[3];
d[0].req_count = cpu_to_le16(packet->header_length);
- } else {
+ break;
+
+ case 8:
header[0] = cpu_to_le32((OHCI1394_phy_tcode << 4) |
(packet->speed << 16));
header[1] = cpu_to_le32(packet->header[0]);
header[2] = cpu_to_le32(packet->header[1]);
d[0].req_count = cpu_to_le16(12);
+ break;
+
+ case 4:
+ header[0] = cpu_to_le32((packet->header[0] & 0xffff) |
+ (packet->speed << 16));
+ header[1] = cpu_to_le32(packet->header[0] & 0xffff0000);
+ d[0].req_count = cpu_to_le16(8);
+ break;
+
+ default:
+ /* BUG(); */
+ packet->ack = RCODE_SEND_ERROR;
+ return -1;
}
driver_data = (struct driver_data *) &d[3];
@@ -1095,8 +1108,8 @@ static int handle_at_packet(struct context *context,
#define HEADER_GET_DATA_LENGTH(q) (((q) >> 16) & 0xffff)
#define HEADER_GET_EXTENDED_TCODE(q) (((q) >> 0) & 0xffff)
-static void
-handle_local_rom(struct fw_ohci *ohci, struct fw_packet *packet, u32 csr)
+static void handle_local_rom(struct fw_ohci *ohci,
+ struct fw_packet *packet, u32 csr)
{
struct fw_packet response;
int tcode, length, i;
@@ -1122,8 +1135,8 @@ handle_local_rom(struct fw_ohci *ohci, struct fw_packet *packet, u32 csr)
fw_core_handle_response(&ohci->card, &response);
}
-static void
-handle_local_lock(struct fw_ohci *ohci, struct fw_packet *packet, u32 csr)
+static void handle_local_lock(struct fw_ohci *ohci,
+ struct fw_packet *packet, u32 csr)
{
struct fw_packet response;
int tcode, length, ext_tcode, sel;
@@ -1164,8 +1177,7 @@ handle_local_lock(struct fw_ohci *ohci, struct fw_packet *packet, u32 csr)
fw_core_handle_response(&ohci->card, &response);
}
-static void
-handle_local_request(struct context *ctx, struct fw_packet *packet)
+static void handle_local_request(struct context *ctx, struct fw_packet *packet)
{
u64 offset;
u32 csr;
@@ -1205,11 +1217,10 @@ handle_local_request(struct context *ctx, struct fw_packet *packet)
}
}
-static void
-at_context_transmit(struct context *ctx, struct fw_packet *packet)
+static void at_context_transmit(struct context *ctx, struct fw_packet *packet)
{
unsigned long flags;
- int retval;
+ int ret;
spin_lock_irqsave(&ctx->ohci->lock, flags);
@@ -1220,10 +1231,10 @@ at_context_transmit(struct context *ctx, struct fw_packet *packet)
return;
}
- retval = at_context_queue_packet(ctx, packet);
+ ret = at_context_queue_packet(ctx, packet);
spin_unlock_irqrestore(&ctx->ohci->lock, flags);
- if (retval < 0)
+ if (ret < 0)
packet->callback(packet, &ctx->ohci->card, packet->ack);
}
@@ -1590,12 +1601,12 @@ static int ohci_enable(struct fw_card *card, u32 *config_rom, size_t length)
return 0;
}
-static int
-ohci_set_config_rom(struct fw_card *card, u32 *config_rom, size_t length)
+static int ohci_set_config_rom(struct fw_card *card,
+ u32 *config_rom, size_t length)
{
struct fw_ohci *ohci;
unsigned long flags;
- int retval = -EBUSY;
+ int ret = -EBUSY;
__be32 *next_config_rom;
dma_addr_t uninitialized_var(next_config_rom_bus);
@@ -1649,7 +1660,7 @@ ohci_set_config_rom(struct fw_card *card, u32 *config_rom, size_t length)
reg_write(ohci, OHCI1394_ConfigROMmap,
ohci->next_config_rom_bus);
- retval = 0;
+ ret = 0;
}
spin_unlock_irqrestore(&ohci->lock, flags);
@@ -1661,13 +1672,13 @@ ohci_set_config_rom(struct fw_card *card, u32 *config_rom, size_t length)
* controller could need to access it before the bus reset
* takes effect.
*/
- if (retval == 0)
+ if (ret == 0)
fw_core_initiate_bus_reset(&ohci->card, 1);
else
dma_free_coherent(ohci->card.device, CONFIG_ROM_SIZE,
next_config_rom, next_config_rom_bus);
- return retval;
+ return ret;
}
static void ohci_send_request(struct fw_card *card, struct fw_packet *packet)
@@ -1689,7 +1700,7 @@ static int ohci_cancel_packet(struct fw_card *card, struct fw_packet *packet)
struct fw_ohci *ohci = fw_ohci(card);
struct context *ctx = &ohci->at_request_ctx;
struct driver_data *driver_data = packet->driver_data;
- int retval = -ENOENT;
+ int ret = -ENOENT;
tasklet_disable(&ctx->tasklet);
@@ -1704,23 +1715,22 @@ static int ohci_cancel_packet(struct fw_card *card, struct fw_packet *packet)
driver_data->packet = NULL;
packet->ack = RCODE_CANCELLED;
packet->callback(packet, &ohci->card, packet->ack);
- retval = 0;
-
+ ret = 0;
out:
tasklet_enable(&ctx->tasklet);
- return retval;
+ return ret;
}
-static int
-ohci_enable_phys_dma(struct fw_card *card, int node_id, int generation)
+static int ohci_enable_phys_dma(struct fw_card *card,
+ int node_id, int generation)
{
#ifdef CONFIG_FIREWIRE_OHCI_REMOTE_DMA
return 0;
#else
struct fw_ohci *ohci = fw_ohci(card);
unsigned long flags;
- int n, retval = 0;
+ int n, ret = 0;
/*
* FIXME: Make sure this bitmask is cleared when we clear the busReset
@@ -1730,7 +1740,7 @@ ohci_enable_phys_dma(struct fw_card *card, int node_id, int generation)
spin_lock_irqsave(&ohci->lock, flags);
if (ohci->generation != generation) {
- retval = -ESTALE;
+ ret = -ESTALE;
goto out;
}
@@ -1748,12 +1758,12 @@ ohci_enable_phys_dma(struct fw_card *card, int node_id, int generation)
flush_writes(ohci);
out:
spin_unlock_irqrestore(&ohci->lock, flags);
- return retval;
+
+ return ret;
#endif /* CONFIG_FIREWIRE_OHCI_REMOTE_DMA */
}
-static u64
-ohci_get_bus_time(struct fw_card *card)
+static u64 ohci_get_bus_time(struct fw_card *card)
{
struct fw_ohci *ohci = fw_ohci(card);
u32 cycle_time;
@@ -1765,6 +1775,28 @@ ohci_get_bus_time(struct fw_card *card)
return bus_time;
}
+static void copy_iso_headers(struct iso_context *ctx, void *p)
+{
+ int i = ctx->header_length;
+
+ if (i + ctx->base.header_size > PAGE_SIZE)
+ return;
+
+ /*
+ * The iso header is byteswapped to little endian by
+ * the controller, but the remaining header quadlets
+ * are big endian. We want to present all the headers
+ * as big endian, so we have to swap the first quadlet.
+ */
+ if (ctx->base.header_size > 0)
+ *(u32 *) (ctx->header + i) = __swab32(*(u32 *) (p + 4));
+ if (ctx->base.header_size > 4)
+ *(u32 *) (ctx->header + i + 4) = __swab32(*(u32 *) p);
+ if (ctx->base.header_size > 8)
+ memcpy(ctx->header + i + 8, p + 8, ctx->base.header_size - 8);
+ ctx->header_length += ctx->base.header_size;
+}
+
static int handle_ir_dualbuffer_packet(struct context *context,
struct descriptor *d,
struct descriptor *last)
@@ -1775,7 +1807,6 @@ static int handle_ir_dualbuffer_packet(struct context *context,
__le32 *ir_header;
size_t header_length;
void *p, *end;
- int i;
if (db->first_res_count != 0 && db->second_res_count != 0) {
if (ctx->excess_bytes <= le16_to_cpu(db->second_req_count)) {
@@ -1788,25 +1819,14 @@ static int handle_ir_dualbuffer_packet(struct context *context,
header_length = le16_to_cpu(db->first_req_count) -
le16_to_cpu(db->first_res_count);
- i = ctx->header_length;
p = db + 1;
end = p + header_length;
- while (p < end && i + ctx->base.header_size <= PAGE_SIZE) {
- /*
- * The iso header is byteswapped to little endian by
- * the controller, but the remaining header quadlets
- * are big endian. We want to present all the headers
- * as big endian, so we have to swap the first
- * quadlet.
- */
- *(u32 *) (ctx->header + i) = __swab32(*(u32 *) (p + 4));
- memcpy(ctx->header + i + 4, p + 8, ctx->base.header_size - 4);
- i += ctx->base.header_size;
+ while (p < end) {
+ copy_iso_headers(ctx, p);
ctx->excess_bytes +=
(le32_to_cpu(*(__le32 *)(p + 4)) >> 16) & 0xffff;
- p += ctx->base.header_size + 4;
+ p += max(ctx->base.header_size, (size_t)8);
}
- ctx->header_length = i;
ctx->excess_bytes -= le16_to_cpu(db->second_req_count) -
le16_to_cpu(db->second_res_count);
@@ -1832,7 +1852,6 @@ static int handle_ir_packet_per_buffer(struct context *context,
struct descriptor *pd;
__le32 *ir_header;
void *p;
- int i;
for (pd = d; pd <= last; pd++) {
if (pd->transfer_status)
@@ -1842,21 +1861,8 @@ static int handle_ir_packet_per_buffer(struct context *context,
/* Descriptor(s) not done yet, stop iteration */
return 0;
- i = ctx->header_length;
- p = last + 1;
-
- if (ctx->base.header_size > 0 &&
- i + ctx->base.header_size <= PAGE_SIZE) {
- /*
- * The iso header is byteswapped to little endian by
- * the controller, but the remaining header quadlets
- * are big endian. We want to present all the headers
- * as big endian, so we have to swap the first quadlet.
- */
- *(u32 *) (ctx->header + i) = __swab32(*(u32 *) (p + 4));
- memcpy(ctx->header + i + 4, p + 8, ctx->base.header_size - 4);
- ctx->header_length += ctx->base.header_size;
- }
+ p = last + 1;
+ copy_iso_headers(ctx, p);
if (le16_to_cpu(last->control) & DESCRIPTOR_IRQ_ALWAYS) {
ir_header = (__le32 *) p;
@@ -1888,21 +1894,24 @@ static int handle_it_packet(struct context *context,
return 1;
}
-static struct fw_iso_context *
-ohci_allocate_iso_context(struct fw_card *card, int type, size_t header_size)
+static struct fw_iso_context *ohci_allocate_iso_context(struct fw_card *card,
+ int type, int channel, size_t header_size)
{
struct fw_ohci *ohci = fw_ohci(card);
struct iso_context *ctx, *list;
descriptor_callback_t callback;
+ u64 *channels, dont_care = ~0ULL;
u32 *mask, regs;
unsigned long flags;
- int index, retval = -ENOMEM;
+ int index, ret = -ENOMEM;
if (type == FW_ISO_CONTEXT_TRANSMIT) {
+ channels = &dont_care;
mask = &ohci->it_context_mask;
list = ohci->it_context_list;
callback = handle_it_packet;
} else {
+ channels = &ohci->ir_context_channels;
mask = &ohci->ir_context_mask;
list = ohci->ir_context_list;
if (ohci->use_dualbuffer)
@@ -1912,9 +1921,11 @@ ohci_allocate_iso_context(struct fw_card *card, int type, size_t header_size)
}
spin_lock_irqsave(&ohci->lock, flags);
- index = ffs(*mask) - 1;
- if (index >= 0)
+ index = *channels & 1ULL << channel ? ffs(*mask) - 1 : -1;
+ if (index >= 0) {
+ *channels &= ~(1ULL << channel);
*mask &= ~(1 << index);
+ }
spin_unlock_irqrestore(&ohci->lock, flags);
if (index < 0)
@@ -1932,8 +1943,8 @@ ohci_allocate_iso_context(struct fw_card *card, int type, size_t header_size)
if (ctx->header == NULL)
goto out;
- retval = context_init(&ctx->context, ohci, regs, callback);
- if (retval < 0)
+ ret = context_init(&ctx->context, ohci, regs, callback);
+ if (ret < 0)
goto out_with_header;
return &ctx->base;
@@ -1945,7 +1956,7 @@ ohci_allocate_iso_context(struct fw_card *card, int type, size_t header_size)
*mask |= 1 << index;
spin_unlock_irqrestore(&ohci->lock, flags);
- return ERR_PTR(retval);
+ return ERR_PTR(ret);
}
static int ohci_start_iso(struct fw_iso_context *base,
@@ -2024,16 +2035,16 @@ static void ohci_free_iso_context(struct fw_iso_context *base)
} else {
index = ctx - ohci->ir_context_list;
ohci->ir_context_mask |= 1 << index;
+ ohci->ir_context_channels |= 1ULL << base->channel;
}
spin_unlock_irqrestore(&ohci->lock, flags);
}
-static int
-ohci_queue_iso_transmit(struct fw_iso_context *base,
- struct fw_iso_packet *packet,
- struct fw_iso_buffer *buffer,
- unsigned long payload)
+static int ohci_queue_iso_transmit(struct fw_iso_context *base,
+ struct fw_iso_packet *packet,
+ struct fw_iso_buffer *buffer,
+ unsigned long payload)
{
struct iso_context *ctx = container_of(base, struct iso_context, base);
struct descriptor *d, *last, *pd;
@@ -2128,11 +2139,10 @@ ohci_queue_iso_transmit(struct fw_iso_context *base,
return 0;
}
-static int
-ohci_queue_iso_receive_dualbuffer(struct fw_iso_context *base,
- struct fw_iso_packet *packet,
- struct fw_iso_buffer *buffer,
- unsigned long payload)
+static int ohci_queue_iso_receive_dualbuffer(struct fw_iso_context *base,
+ struct fw_iso_packet *packet,
+ struct fw_iso_buffer *buffer,
+ unsigned long payload)
{
struct iso_context *ctx = container_of(base, struct iso_context, base);
struct db_descriptor *db = NULL;
@@ -2151,11 +2161,11 @@ ohci_queue_iso_receive_dualbuffer(struct fw_iso_context *base,
z = 2;
/*
- * The OHCI controller puts the status word in the header
- * buffer too, so we need 4 extra bytes per packet.
+ * The OHCI controller puts the isochronous header and trailer in the
+ * buffer, so we need at least 8 bytes.
*/
packet_count = p->header_length / ctx->base.header_size;
- header_size = packet_count * (ctx->base.header_size + 4);
+ header_size = packet_count * max(ctx->base.header_size, (size_t)8);
/* Get header size in number of descriptors. */
header_z = DIV_ROUND_UP(header_size, sizeof(*d));
@@ -2173,7 +2183,8 @@ ohci_queue_iso_receive_dualbuffer(struct fw_iso_context *base,
db = (struct db_descriptor *) d;
db->control = cpu_to_le16(DESCRIPTOR_STATUS |
DESCRIPTOR_BRANCH_ALWAYS);
- db->first_size = cpu_to_le16(ctx->base.header_size + 4);
+ db->first_size =
+ cpu_to_le16(max(ctx->base.header_size, (size_t)8));
if (p->skip && rest == p->payload_length) {
db->control |= cpu_to_le16(DESCRIPTOR_WAIT);
db->first_req_count = db->first_size;
@@ -2208,11 +2219,10 @@ ohci_queue_iso_receive_dualbuffer(struct fw_iso_context *base,
return 0;
}
-static int
-ohci_queue_iso_receive_packet_per_buffer(struct fw_iso_context *base,
- struct fw_iso_packet *packet,
- struct fw_iso_buffer *buffer,
- unsigned long payload)
+static int ohci_queue_iso_receive_packet_per_buffer(struct fw_iso_context *base,
+ struct fw_iso_packet *packet,
+ struct fw_iso_buffer *buffer,
+ unsigned long payload)
{
struct iso_context *ctx = container_of(base, struct iso_context, base);
struct descriptor *d = NULL, *pd = NULL;
@@ -2223,11 +2233,11 @@ ohci_queue_iso_receive_packet_per_buffer(struct fw_iso_context *base,
int page, offset, packet_count, header_size, payload_per_buffer;
/*
- * The OHCI controller puts the status word in the
- * buffer too, so we need 4 extra bytes per packet.
+ * The OHCI controller puts the isochronous header and trailer in the
+ * buffer, so we need at least 8 bytes.
*/
packet_count = p->header_length / ctx->base.header_size;
- header_size = ctx->base.header_size + 4;
+ header_size = max(ctx->base.header_size, (size_t)8);
/* Get header size in number of descriptors. */
header_z = DIV_ROUND_UP(header_size, sizeof(*d));
@@ -2286,29 +2296,27 @@ ohci_queue_iso_receive_packet_per_buffer(struct fw_iso_context *base,
return 0;
}
-static int
-ohci_queue_iso(struct fw_iso_context *base,
- struct fw_iso_packet *packet,
- struct fw_iso_buffer *buffer,
- unsigned long payload)
+static int ohci_queue_iso(struct fw_iso_context *base,
+ struct fw_iso_packet *packet,
+ struct fw_iso_buffer *buffer,
+ unsigned long payload)
{
struct iso_context *ctx = container_of(base, struct iso_context, base);
unsigned long flags;
- int retval;
+ int ret;
spin_lock_irqsave(&ctx->context.ohci->lock, flags);
if (base->type == FW_ISO_CONTEXT_TRANSMIT)
- retval = ohci_queue_iso_transmit(base, packet, buffer, payload);
+ ret = ohci_queue_iso_transmit(base, packet, buffer, payload);
else if (ctx->context.ohci->use_dualbuffer)
- retval = ohci_queue_iso_receive_dualbuffer(base, packet,
- buffer, payload);
+ ret = ohci_queue_iso_receive_dualbuffer(base, packet,
+ buffer, payload);
else
- retval = ohci_queue_iso_receive_packet_per_buffer(base, packet,
- buffer,
- payload);
+ ret = ohci_queue_iso_receive_packet_per_buffer(base, packet,
+ buffer, payload);
spin_unlock_irqrestore(&ctx->context.ohci->lock, flags);
- return retval;
+ return ret;
}
static const struct fw_card_driver ohci_driver = {
@@ -2357,8 +2365,8 @@ static void ohci_pmac_off(struct pci_dev *dev)
#define ohci_pmac_off(dev)
#endif /* CONFIG_PPC_PMAC */
-static int __devinit
-pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
+static int __devinit pci_probe(struct pci_dev *dev,
+ const struct pci_device_id *ent)
{
struct fw_ohci *ohci;
u32 bus_options, max_receive, link_speed, version;
@@ -2440,6 +2448,7 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
ohci->it_context_list = kzalloc(size, GFP_KERNEL);
reg_write(ohci, OHCI1394_IsoXmitIntMaskSet, ~0);
+ ohci->ir_context_channels = ~0ULL;
ohci->ir_context_mask = reg_read(ohci, OHCI1394_IsoXmitIntMaskSet);
reg_write(ohci, OHCI1394_IsoXmitIntMaskClear, ~0);
size = sizeof(struct iso_context) * hweight32(ohci->ir_context_mask);
@@ -2467,11 +2476,12 @@ pci_probe(struct pci_dev *dev, const struct pci_device_id *ent)
reg_read(ohci, OHCI1394_GUIDLo);
err = fw_card_add(&ohci->card, max_receive, link_speed, guid);
- if (err < 0)
+ if (err)
goto fail_self_id;
fw_notify("Added fw-ohci device %s, OHCI version %x.%x\n",
dev_name(&dev->dev), version >> 16, version & 0xff);
+
return 0;
fail_self_id:
diff --git a/drivers/firewire/fw-sbp2.c b/drivers/firewire/fw-sbp2.c
index c71c4419d9e..2bcf51557c7 100644
--- a/drivers/firewire/fw-sbp2.c
+++ b/drivers/firewire/fw-sbp2.c
@@ -392,20 +392,18 @@ static const struct {
}
};
-static void
-free_orb(struct kref *kref)
+static void free_orb(struct kref *kref)
{
struct sbp2_orb *orb = container_of(kref, struct sbp2_orb, kref);
kfree(orb);
}
-static void
-sbp2_status_write(struct fw_card *card, struct fw_request *request,
- int tcode, int destination, int source,
- int generation, int speed,
- unsigned long long offset,
- void *payload, size_t length, void *callback_data)
+static void sbp2_status_write(struct fw_card *card, struct fw_request *request,
+ int tcode, int destination, int source,
+ int generation, int speed,
+ unsigned long long offset,
+ void *payload, size_t length, void *callback_data)
{
struct sbp2_logical_unit *lu = callback_data;
struct sbp2_orb *orb;
@@ -451,9 +449,8 @@ sbp2_status_write(struct fw_card *card, struct fw_request *request,
fw_send_response(card, request, RCODE_COMPLETE);
}
-static void
-complete_transaction(struct fw_card *card, int rcode,
- void *payload, size_t length, void *data)
+static void complete_transaction(struct fw_card *card, int rcode,
+ void *payload, size_t length, void *data)
{
struct sbp2_orb *orb = data;
unsigned long flags;
@@ -482,9 +479,8 @@ complete_transaction(struct fw_card *card, int rcode,
kref_put(&orb->kref, free_orb);
}
-static void
-sbp2_send_orb(struct sbp2_orb *orb, struct sbp2_logical_unit *lu,
- int node_id, int generation, u64 offset)
+static void sbp2_send_orb(struct sbp2_orb *orb, struct sbp2_logical_unit *lu,
+ int node_id, int generation, u64 offset)
{
struct fw_device *device = fw_device(lu->tgt->unit->device.parent);
unsigned long flags;
@@ -531,8 +527,8 @@ static int sbp2_cancel_orbs(struct sbp2_logical_unit *lu)
return retval;
}
-static void
-complete_management_orb(struct sbp2_orb *base_orb, struct sbp2_status *status)
+static void complete_management_orb(struct sbp2_orb *base_orb,
+ struct sbp2_status *status)
{
struct sbp2_management_orb *orb =
container_of(base_orb, struct sbp2_management_orb, base);
@@ -542,10 +538,9 @@ complete_management_orb(struct sbp2_orb *base_orb, struct sbp2_status *status)
complete(&orb->done);
}
-static int
-sbp2_send_management_orb(struct sbp2_logical_unit *lu, int node_id,
- int generation, int function, int lun_or_login_id,
- void *response)
+static int sbp2_send_management_orb(struct sbp2_logical_unit *lu, int node_id,
+ int generation, int function,
+ int lun_or_login_id, void *response)
{
struct fw_device *device = fw_device(lu->tgt->unit->device.parent);
struct sbp2_management_orb *orb;
@@ -652,9 +647,8 @@ static void sbp2_agent_reset(struct sbp2_logical_unit *lu)
&d, sizeof(d));
}
-static void
-complete_agent_reset_write_no_wait(struct fw_card *card, int rcode,
- void *payload, size_t length, void *data)
+static void complete_agent_reset_write_no_wait(struct fw_card *card,
+ int rcode, void *payload, size_t length, void *data)
{
kfree(data);
}
@@ -1299,8 +1293,7 @@ static void sbp2_unmap_scatterlist(struct device *card_device,
sizeof(orb->page_table), DMA_TO_DEVICE);
}
-static unsigned int
-sbp2_status_to_sense_data(u8 *sbp2_status, u8 *sense_data)
+static unsigned int sbp2_status_to_sense_data(u8 *sbp2_status, u8 *sense_data)
{
int sam_status;
@@ -1337,8 +1330,8 @@ sbp2_status_to_sense_data(u8 *sbp2_status, u8 *sense_data)
}
}
-static void
-complete_command_orb(struct sbp2_orb *base_orb, struct sbp2_status *status)
+static void complete_command_orb(struct sbp2_orb *base_orb,
+ struct sbp2_status *status)
{
struct sbp2_command_orb *orb =
container_of(base_orb, struct sbp2_command_orb, base);
@@ -1384,9 +1377,8 @@ complete_command_orb(struct sbp2_orb *base_orb, struct sbp2_status *status)
orb->done(orb->cmd);
}
-static int
-sbp2_map_scatterlist(struct sbp2_command_orb *orb, struct fw_device *device,
- struct sbp2_logical_unit *lu)
+static int sbp2_map_scatterlist(struct sbp2_command_orb *orb,
+ struct fw_device *device, struct sbp2_logical_unit *lu)
{
struct scatterlist *sg = scsi_sglist(orb->cmd);
int i, n;
@@ -1584,9 +1576,8 @@ static int sbp2_scsi_abort(struct scsi_cmnd *cmd)
* This is the concatenation of target port identifier and logical unit
* identifier as per SAM-2...SAM-4 annex A.
*/
-static ssize_t
-sbp2_sysfs_ieee1394_id_show(struct device *dev, struct device_attribute *attr,
- char *buf)
+static ssize_t sbp2_sysfs_ieee1394_id_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
{
struct scsi_device *sdev = to_scsi_device(dev);
struct sbp2_logical_unit *lu;
diff --git a/drivers/firewire/fw-topology.c b/drivers/firewire/fw-topology.c
index 8dd6703b55c..d0deecc4de9 100644
--- a/drivers/firewire/fw-topology.c
+++ b/drivers/firewire/fw-topology.c
@@ -314,9 +314,8 @@ typedef void (*fw_node_callback_t)(struct fw_card * card,
struct fw_node * node,
struct fw_node * parent);
-static void
-for_each_fw_node(struct fw_card *card, struct fw_node *root,
- fw_node_callback_t callback)
+static void for_each_fw_node(struct fw_card *card, struct fw_node *root,
+ fw_node_callback_t callback)
{
struct list_head list;
struct fw_node *node, *next, *child, *parent;
@@ -349,9 +348,8 @@ for_each_fw_node(struct fw_card *card, struct fw_node *root,
fw_node_put(node);
}
-static void
-report_lost_node(struct fw_card *card,
- struct fw_node *node, struct fw_node *parent)
+static void report_lost_node(struct fw_card *card,
+ struct fw_node *node, struct fw_node *parent)
{
fw_node_event(card, node, FW_NODE_DESTROYED);
fw_node_put(node);
@@ -360,9 +358,8 @@ report_lost_node(struct fw_card *card,
card->bm_retries = 0;
}
-static void
-report_found_node(struct fw_card *card,
- struct fw_node *node, struct fw_node *parent)
+static void report_found_node(struct fw_card *card,
+ struct fw_node *node, struct fw_node *parent)
{
int b_path = (node->phy_speed == SCODE_BETA);
@@ -415,8 +412,7 @@ static void move_tree(struct fw_node *node0, struct fw_node *node1, int port)
* found, lost or updated. Update the nodes in the card topology tree
* as we go.
*/
-static void
-update_tree(struct fw_card *card, struct fw_node *root)
+static void update_tree(struct fw_card *card, struct fw_node *root)
{
struct list_head list0, list1;
struct fw_node *node0, *node1, *next1;
@@ -497,8 +493,8 @@ update_tree(struct fw_card *card, struct fw_node *root)
}
}
-static void
-update_topology_map(struct fw_card *card, u32 *self_ids, int self_id_count)
+static void update_topology_map(struct fw_card *card,
+ u32 *self_ids, int self_id_count)
{
int node_count;
@@ -510,10 +506,8 @@ update_topology_map(struct fw_card *card, u32 *self_ids, int self_id_count)
fw_compute_block_crc(card->topology_map);
}
-void
-fw_core_handle_bus_reset(struct fw_card *card,
- int node_id, int generation,
- int self_id_count, u32 * self_ids)
+void fw_core_handle_bus_reset(struct fw_card *card, int node_id, int generation,
+ int self_id_count, u32 *self_ids)
{
struct fw_node *local_node;
unsigned long flags;
@@ -532,6 +526,7 @@ fw_core_handle_bus_reset(struct fw_card *card,
spin_lock_irqsave(&card->lock, flags);
+ card->broadcast_channel_allocated = false;
card->node_id = node_id;
/*
* Update node_id before generation to prevent anybody from using
diff --git a/drivers/firewire/fw-topology.h b/drivers/firewire/fw-topology.h
index addb9f8ea77..3c497bb4fae 100644
--- a/drivers/firewire/fw-topology.h
+++ b/drivers/firewire/fw-topology.h
@@ -19,6 +19,11 @@
#ifndef __fw_topology_h
#define __fw_topology_h
+#include <linux/list.h>
+#include <linux/slab.h>
+
+#include <asm/atomic.h>
+
enum {
FW_NODE_CREATED,
FW_NODE_UPDATED,
@@ -51,26 +56,22 @@ struct fw_node {
struct fw_node *ports[0];
};
-static inline struct fw_node *
-fw_node_get(struct fw_node *node)
+static inline struct fw_node *fw_node_get(struct fw_node *node)
{
atomic_inc(&node->ref_count);
return node;
}
-static inline void
-fw_node_put(struct fw_node *node)
+static inline void fw_node_put(struct fw_node *node)
{
if (atomic_dec_and_test(&node->ref_count))
kfree(node);
}
-void
-fw_destroy_nodes(struct fw_card *card);
-
-int
-fw_compute_block_crc(u32 *block);
+struct fw_card;
+void fw_destroy_nodes(struct fw_card *card);
+int fw_compute_block_crc(u32 *block);
#endif /* __fw_topology_h */
diff --git a/drivers/firewire/fw-transaction.c b/drivers/firewire/fw-transaction.c
index 699ac041f39..283dac6d327 100644
--- a/drivers/firewire/fw-transaction.c
+++ b/drivers/firewire/fw-transaction.c
@@ -64,10 +64,8 @@
#define PHY_CONFIG_ROOT_ID(node_id) ((((node_id) & 0x3f) << 24) | (1 << 23))
#define PHY_IDENTIFIER(id) ((id) << 30)
-static int
-close_transaction(struct fw_transaction *transaction,
- struct fw_card *card, int rcode,
- u32 *payload, size_t length)
+static int close_transaction(struct fw_transaction *transaction,
+ struct fw_card *card, int rcode)
{
struct fw_transaction *t;
unsigned long flags;
@@ -83,7 +81,7 @@ close_transaction(struct fw_transaction *transaction,
spin_unlock_irqrestore(&card->lock, flags);
if (&t->link != &card->transaction_list) {
- t->callback(card, rcode, payload, length, t->callback_data);
+ t->callback(card, rcode, NULL, 0, t->callback_data);
return 0;
}
@@ -94,9 +92,8 @@ close_transaction(struct fw_transaction *transaction,
* Only valid for transactions that are potentially pending (ie have
* been sent).
*/
-int
-fw_cancel_transaction(struct fw_card *card,
- struct fw_transaction *transaction)
+int fw_cancel_transaction(struct fw_card *card,
+ struct fw_transaction *transaction)
{
/*
* Cancel the packet transmission if it's still queued. That
@@ -112,20 +109,19 @@ fw_cancel_transaction(struct fw_card *card,
* if the transaction is still pending and remove it in that case.
*/
- return close_transaction(transaction, card, RCODE_CANCELLED, NULL, 0);
+ return close_transaction(transaction, card, RCODE_CANCELLED);
}
EXPORT_SYMBOL(fw_cancel_transaction);
-static void
-transmit_complete_callback(struct fw_packet *packet,
- struct fw_card *card, int status)
+static void transmit_complete_callback(struct fw_packet *packet,
+ struct fw_card *card, int status)
{
struct fw_transaction *t =
container_of(packet, struct fw_transaction, packet);
switch (status) {
case ACK_COMPLETE:
- close_transaction(t, card, RCODE_COMPLETE, NULL, 0);
+ close_transaction(t, card, RCODE_COMPLETE);
break;
case ACK_PENDING:
t->timestamp = packet->timestamp;
@@ -133,31 +129,42 @@ transmit_complete_callback(struct fw_packet *packet,
case ACK_BUSY_X:
case ACK_BUSY_A:
case ACK_BUSY_B:
- close_transaction(t, card, RCODE_BUSY, NULL, 0);
+ close_transaction(t, card, RCODE_BUSY);
break;
case ACK_DATA_ERROR:
- close_transaction(t, card, RCODE_DATA_ERROR, NULL, 0);
+ close_transaction(t, card, RCODE_DATA_ERROR);
break;
case ACK_TYPE_ERROR:
- close_transaction(t, card, RCODE_TYPE_ERROR, NULL, 0);
+ close_transaction(t, card, RCODE_TYPE_ERROR);
break;
default:
/*
* In this case the ack is really a juju specific
* rcode, so just forward that to the callback.
*/
- close_transaction(t, card, status, NULL, 0);
+ close_transaction(t, card, status);
break;
}
}
-static void
-fw_fill_request(struct fw_packet *packet, int tcode, int tlabel,
+static void fw_fill_request(struct fw_packet *packet, int tcode, int tlabel,
int destination_id, int source_id, int generation, int speed,
unsigned long long offset, void *payload, size_t length)
{
int ext_tcode;
+ if (tcode == TCODE_STREAM_DATA) {
+ packet->header[0] =
+ HEADER_DATA_LENGTH(length) |
+ destination_id |
+ HEADER_TCODE(TCODE_STREAM_DATA);
+ packet->header_length = 4;
+ packet->payload = payload;
+ packet->payload_length = length;
+
+ goto common;
+ }
+
if (tcode > 0x10) {
ext_tcode = tcode & ~0x10;
tcode = TCODE_LOCK_REQUEST;
@@ -204,7 +211,7 @@ fw_fill_request(struct fw_packet *packet, int tcode, int tlabel,
packet->payload_length = 0;
break;
}
-
+ common:
packet->speed = speed;
packet->generation = generation;
packet->ack = 0;
@@ -246,13 +253,14 @@ fw_fill_request(struct fw_packet *packet, int tcode, int tlabel,
* @param callback function to be called when the transaction is completed
* @param callback_data pointer to arbitrary data, which will be
* passed to the callback
+ *
+ * In case of asynchronous stream packets i.e. TCODE_STREAM_DATA, the caller
+ * needs to synthesize @destination_id with fw_stream_packet_destination_id().
*/
-void
-fw_send_request(struct fw_card *card, struct fw_transaction *t,
- int tcode, int destination_id, int generation, int speed,
- unsigned long long offset,
- void *payload, size_t length,
- fw_transaction_callback_t callback, void *callback_data)
+void fw_send_request(struct fw_card *card, struct fw_transaction *t, int tcode,
+ int destination_id, int generation, int speed,
+ unsigned long long offset, void *payload, size_t length,
+ fw_transaction_callback_t callback, void *callback_data)
{
unsigned long flags;
int tlabel;
@@ -322,16 +330,16 @@ static void transaction_callback(struct fw_card *card, int rcode,
* Returns the RCODE.
*/
int fw_run_transaction(struct fw_card *card, int tcode, int destination_id,
- int generation, int speed, unsigned long long offset,
- void *data, size_t length)
+ int generation, int speed, unsigned long long offset,
+ void *payload, size_t length)
{
struct transaction_callback_data d;
struct fw_transaction t;
init_completion(&d.done);
- d.payload = data;
+ d.payload = payload;
fw_send_request(card, &t, tcode, destination_id, generation, speed,
- offset, data, length, transaction_callback, &d);
+ offset, payload, length, transaction_callback, &d);
wait_for_completion(&d.done);
return d.rcode;
@@ -399,9 +407,8 @@ void fw_flush_transactions(struct fw_card *card)
}
}
-static struct fw_address_handler *
-lookup_overlapping_address_handler(struct list_head *list,
- unsigned long long offset, size_t length)
+static struct fw_address_handler *lookup_overlapping_address_handler(
+ struct list_head *list, unsigned long long offset, size_t length)
{
struct fw_address_handler *handler;
@@ -414,9 +421,8 @@ lookup_overlapping_address_handler(struct list_head *list,
return NULL;
}
-static struct fw_address_handler *
-lookup_enclosing_address_handler(struct list_head *list,
- unsigned long long offset, size_t length)
+static struct fw_address_handler *lookup_enclosing_address_handler(
+ struct list_head *list, unsigned long long offset, size_t length)
{
struct fw_address_handler *handler;
@@ -449,36 +455,44 @@ const struct fw_address_region fw_unit_space_region =
#endif /* 0 */
/**
- * Allocate a range of addresses in the node space of the OHCI
- * controller. When a request is received that falls within the
- * specified address range, the specified callback is invoked. The
- * parameters passed to the callback give the details of the
- * particular request.
+ * fw_core_add_address_handler - register for incoming requests
+ * @handler: callback
+ * @region: region in the IEEE 1212 node space address range
+ *
+ * region->start, ->end, and handler->length have to be quadlet-aligned.
+ *
+ * When a request is received that falls within the specified address range,
+ * the specified callback is invoked. The parameters passed to the callback
+ * give the details of the particular request.
*
* Return value: 0 on success, non-zero otherwise.
* The start offset of the handler's address region is determined by
* fw_core_add_address_handler() and is returned in handler->offset.
- * The offset is quadlet-aligned.
*/
-int
-fw_core_add_address_handler(struct fw_address_handler *handler,
- const struct fw_address_region *region)
+int fw_core_add_address_handler(struct fw_address_handler *handler,
+ const struct fw_address_region *region)
{
struct fw_address_handler *other;
unsigned long flags;
int ret = -EBUSY;
+ if (region->start & 0xffff000000000003ULL ||
+ region->end & 0xffff000000000003ULL ||
+ region->start >= region->end ||
+ handler->length & 3 ||
+ handler->length == 0)
+ return -EINVAL;
+
spin_lock_irqsave(&address_handler_lock, flags);
- handler->offset = roundup(region->start, 4);
+ handler->offset = region->start;
while (handler->offset + handler->length <= region->end) {
other =
lookup_overlapping_address_handler(&address_handler_list,
handler->offset,
handler->length);
if (other != NULL) {
- handler->offset =
- roundup(other->offset + other->length, 4);
+ handler->offset += other->length;
} else {
list_add_tail(&handler->link, &address_handler_list);
ret = 0;
@@ -493,12 +507,7 @@ fw_core_add_address_handler(struct fw_address_handler *handler,
EXPORT_SYMBOL(fw_core_add_address_handler);
/**
- * Deallocate a range of addresses allocated with fw_allocate. This
- * will call the associated callback one last time with a the special
- * tcode TCODE_DEALLOCATE, to let the client destroy the registered
- * callback data. For convenience, the callback parameters offset and
- * length are set to the start and the length respectively for the
- * deallocated region, payload is set to NULL.
+ * fw_core_remove_address_handler - unregister an address handler
*/
void fw_core_remove_address_handler(struct fw_address_handler *handler)
{
@@ -518,9 +527,8 @@ struct fw_request {
u32 data[0];
};
-static void
-free_response_callback(struct fw_packet *packet,
- struct fw_card *card, int status)
+static void free_response_callback(struct fw_packet *packet,
+ struct fw_card *card, int status)
{
struct fw_request *request;
@@ -528,9 +536,8 @@ free_response_callback(struct fw_packet *packet,
kfree(request);
}
-void
-fw_fill_response(struct fw_packet *response, u32 *request_header,
- int rcode, void *payload, size_t length)
+void fw_fill_response(struct fw_packet *response, u32 *request_header,
+ int rcode, void *payload, size_t length)
{
int tcode, tlabel, extended_tcode, source, destination;
@@ -588,8 +595,7 @@ fw_fill_response(struct fw_packet *response, u32 *request_header,
}
EXPORT_SYMBOL(fw_fill_response);
-static struct fw_request *
-allocate_request(struct fw_packet *p)
+static struct fw_request *allocate_request(struct fw_packet *p)
{
struct fw_request *request;
u32 *data, length;
@@ -649,8 +655,8 @@ allocate_request(struct fw_packet *p)
return request;
}
-void
-fw_send_response(struct fw_card *card, struct fw_request *request, int rcode)
+void fw_send_response(struct fw_card *card,
+ struct fw_request *request, int rcode)
{
/* unified transaction or broadcast transaction: don't respond */
if (request->ack != ACK_PENDING ||
@@ -670,8 +676,7 @@ fw_send_response(struct fw_card *card, struct fw_request *request, int rcode)
}
EXPORT_SYMBOL(fw_send_response);
-void
-fw_core_handle_request(struct fw_card *card, struct fw_packet *p)
+void fw_core_handle_request(struct fw_card *card, struct fw_packet *p)
{
struct fw_address_handler *handler;
struct fw_request *request;
@@ -719,8 +724,7 @@ fw_core_handle_request(struct fw_card *card, struct fw_packet *p)
}
EXPORT_SYMBOL(fw_core_handle_request);
-void
-fw_core_handle_response(struct fw_card *card, struct fw_packet *p)
+void fw_core_handle_response(struct fw_card *card, struct fw_packet *p)
{
struct fw_transaction *t;
unsigned long flags;
@@ -793,12 +797,10 @@ static const struct fw_address_region topology_map_region =
{ .start = CSR_REGISTER_BASE | CSR_TOPOLOGY_MAP,
.end = CSR_REGISTER_BASE | CSR_TOPOLOGY_MAP_END, };
-static void
-handle_topology_map(struct fw_card *card, struct fw_request *request,
- int tcode, int destination, int source,
- int generation, int speed,
- unsigned long long offset,
- void *payload, size_t length, void *callback_data)
+static void handle_topology_map(struct fw_card *card, struct fw_request *request,
+ int tcode, int destination, int source, int generation,
+ int speed, unsigned long long offset,
+ void *payload, size_t length, void *callback_data)
{
int i, start, end;
__be32 *map;
@@ -832,12 +834,10 @@ static const struct fw_address_region registers_region =
{ .start = CSR_REGISTER_BASE,
.end = CSR_REGISTER_BASE | CSR_CONFIG_ROM, };
-static void
-handle_registers(struct fw_card *card, struct fw_request *request,
- int tcode, int destination, int source,
- int generation, int speed,
- unsigned long long offset,
- void *payload, size_t length, void *callback_data)
+static void handle_registers(struct fw_card *card, struct fw_request *request,
+ int tcode, int destination, int source, int generation,
+ int speed, unsigned long long offset,
+ void *payload, size_t length, void *callback_data)
{
int reg = offset & ~CSR_REGISTER_BASE;
unsigned long long bus_time;
@@ -939,11 +939,11 @@ static struct fw_descriptor model_id_descriptor = {
static int __init fw_core_init(void)
{
- int retval;
+ int ret;
- retval = bus_register(&fw_bus_type);
- if (retval < 0)
- return retval;
+ ret = bus_register(&fw_bus_type);
+ if (ret < 0)
+ return ret;
fw_cdev_major = register_chrdev(0, "firewire", &fw_device_ops);
if (fw_cdev_major < 0) {
@@ -951,19 +951,10 @@ static int __init fw_core_init(void)
return fw_cdev_major;
}
- retval = fw_core_add_address_handler(&topology_map,
- &topology_map_region);
- BUG_ON(retval < 0);
-
- retval = fw_core_add_address_handler(&registers,
- &registers_region);
- BUG_ON(retval < 0);
-
- /* Add the vendor textual descriptor. */
- retval = fw_core_add_descriptor(&vendor_id_descriptor);
- BUG_ON(retval < 0);
- retval = fw_core_add_descriptor(&model_id_descriptor);
- BUG_ON(retval < 0);
+ fw_core_add_address_handler(&topology_map, &topology_map_region);
+ fw_core_add_address_handler(&registers, &registers_region);
+ fw_core_add_descriptor(&vendor_id_descriptor);
+ fw_core_add_descriptor(&model_id_descriptor);
return 0;
}
diff --git a/drivers/firewire/fw-transaction.h b/drivers/firewire/fw-transaction.h
index 1d78e9cc594..dfa799068f8 100644
--- a/drivers/firewire/fw-transaction.h
+++ b/drivers/firewire/fw-transaction.h
@@ -82,14 +82,14 @@
#define CSR_SPEED_MAP 0x2000
#define CSR_SPEED_MAP_END 0x3000
+#define BANDWIDTH_AVAILABLE_INITIAL 4915
#define BROADCAST_CHANNEL_INITIAL (1 << 31 | 31)
#define BROADCAST_CHANNEL_VALID (1 << 30)
#define fw_notify(s, args...) printk(KERN_NOTICE KBUILD_MODNAME ": " s, ## args)
#define fw_error(s, args...) printk(KERN_ERR KBUILD_MODNAME ": " s, ## args)
-static inline void
-fw_memcpy_from_be32(void *_dst, void *_src, size_t size)
+static inline void fw_memcpy_from_be32(void *_dst, void *_src, size_t size)
{
u32 *dst = _dst;
__be32 *src = _src;
@@ -99,8 +99,7 @@ fw_memcpy_from_be32(void *_dst, void *_src, size_t size)
dst[i] = be32_to_cpu(src[i]);
}
-static inline void
-fw_memcpy_to_be32(void *_dst, void *_src, size_t size)
+static inline void fw_memcpy_to_be32(void *_dst, void *_src, size_t size)
{
fw_memcpy_from_be32(_dst, _src, size);
}
@@ -125,8 +124,7 @@ typedef void (*fw_packet_callback_t)(struct fw_packet *packet,
struct fw_card *card, int status);
typedef void (*fw_transaction_callback_t)(struct fw_card *card, int rcode,
- void *data,
- size_t length,
+ void *data, size_t length,
void *callback_data);
/*
@@ -141,12 +139,6 @@ typedef void (*fw_address_callback_t)(struct fw_card *card,
void *data, size_t length,
void *callback_data);
-typedef void (*fw_bus_reset_callback_t)(struct fw_card *handle,
- int node_id, int generation,
- u32 *self_ids,
- int self_id_count,
- void *callback_data);
-
struct fw_packet {
int speed;
int generation;
@@ -187,12 +179,6 @@ struct fw_transaction {
void *callback_data;
};
-static inline struct fw_packet *
-fw_packet(struct list_head *l)
-{
- return list_entry(l, struct fw_packet, link);
-}
-
struct fw_address_handler {
u64 offset;
size_t length;
@@ -201,7 +187,6 @@ struct fw_address_handler {
struct list_head link;
};
-
struct fw_address_region {
u64 start;
u64 end;
@@ -255,6 +240,7 @@ struct fw_card {
int bm_retries;
int bm_generation;
+ bool broadcast_channel_allocated;
u32 broadcast_channel;
u32 topology_map[(CSR_TOPOLOGY_MAP_END - CSR_TOPOLOGY_MAP) / 4];
};
@@ -315,10 +301,8 @@ struct fw_iso_packet {
struct fw_iso_context;
typedef void (*fw_iso_callback_t)(struct fw_iso_context *context,
- u32 cycle,
- size_t header_length,
- void *header,
- void *data);
+ u32 cycle, size_t header_length,
+ void *header, void *data);
/*
* An iso buffer is just a set of pages mapped for DMA in the
@@ -344,36 +328,25 @@ struct fw_iso_context {
void *callback_data;
};
-int
-fw_iso_buffer_init(struct fw_iso_buffer *buffer,
- struct fw_card *card,
- int page_count,
- enum dma_data_direction direction);
-int
-fw_iso_buffer_map(struct fw_iso_buffer *buffer, struct vm_area_struct *vma);
-void
-fw_iso_buffer_destroy(struct fw_iso_buffer *buffer, struct fw_card *card);
-
-struct fw_iso_context *
-fw_iso_context_create(struct fw_card *card, int type,
- int channel, int speed, size_t header_size,
- fw_iso_callback_t callback, void *callback_data);
-
-void
-fw_iso_context_destroy(struct fw_iso_context *ctx);
-
-int
-fw_iso_context_queue(struct fw_iso_context *ctx,
- struct fw_iso_packet *packet,
- struct fw_iso_buffer *buffer,
- unsigned long payload);
-
-int
-fw_iso_context_start(struct fw_iso_context *ctx,
- int cycle, int sync, int tags);
-
-int
-fw_iso_context_stop(struct fw_iso_context *ctx);
+int fw_iso_buffer_init(struct fw_iso_buffer *buffer, struct fw_card *card,
+ int page_count, enum dma_data_direction direction);
+int fw_iso_buffer_map(struct fw_iso_buffer *buffer, struct vm_area_struct *vma);
+void fw_iso_buffer_destroy(struct fw_iso_buffer *buffer, struct fw_card *card);
+
+struct fw_iso_context *fw_iso_context_create(struct fw_card *card,
+ int type, int channel, int speed, size_t header_size,
+ fw_iso_callback_t callback, void *callback_data);
+int fw_iso_context_queue(struct fw_iso_context *ctx,
+ struct fw_iso_packet *packet,
+ struct fw_iso_buffer *buffer,
+ unsigned long payload);
+int fw_iso_context_start(struct fw_iso_context *ctx,
+ int cycle, int sync, int tags);
+int fw_iso_context_stop(struct fw_iso_context *ctx);
+void fw_iso_context_destroy(struct fw_iso_context *ctx);
+
+void fw_iso_resource_manage(struct fw_card *card, int generation,
+ u64 channels_mask, int *channel, int *bandwidth, bool allocate);
struct fw_card_driver {
/*
@@ -415,7 +388,7 @@ struct fw_card_driver {
struct fw_iso_context *
(*allocate_iso_context)(struct fw_card *card,
- int type, size_t header_size);
+ int type, int channel, size_t header_size);
void (*free_iso_context)(struct fw_iso_context *ctx);
int (*start_iso)(struct fw_iso_context *ctx,
@@ -429,54 +402,45 @@ struct fw_card_driver {
int (*stop_iso)(struct fw_iso_context *ctx);
};
-int
-fw_core_initiate_bus_reset(struct fw_card *card, int short_reset);
+int fw_core_initiate_bus_reset(struct fw_card *card, int short_reset);
-void
-fw_send_request(struct fw_card *card, struct fw_transaction *t,
+void fw_send_request(struct fw_card *card, struct fw_transaction *t,
int tcode, int destination_id, int generation, int speed,
- unsigned long long offset, void *data, size_t length,
+ unsigned long long offset, void *payload, size_t length,
fw_transaction_callback_t callback, void *callback_data);
-
-int fw_run_transaction(struct fw_card *card, int tcode, int destination_id,
- int generation, int speed, unsigned long long offset,
- void *data, size_t length);
-
int fw_cancel_transaction(struct fw_card *card,
struct fw_transaction *transaction);
-
void fw_flush_transactions(struct fw_card *card);
-
+int fw_run_transaction(struct fw_card *card, int tcode, int destination_id,
+ int generation, int speed, unsigned long long offset,
+ void *payload, size_t length);
void fw_send_phy_config(struct fw_card *card,
int node_id, int generation, int gap_count);
+static inline int fw_stream_packet_destination_id(int tag, int channel, int sy)
+{
+ return tag << 14 | channel << 8 | sy;
+}
+
/*
* Called by the topology code to inform the device code of node
* activity; found, lost, or updated nodes.
*/
-void
-fw_node_event(struct fw_card *card, struct fw_node *node, int event);
+void fw_node_event(struct fw_card *card, struct fw_node *node, int event);
/* API used by card level drivers */
-void
-fw_card_initialize(struct fw_card *card, const struct fw_card_driver *driver,
- struct device *device);
-int
-fw_card_add(struct fw_card *card,
- u32 max_receive, u32 link_speed, u64 guid);
-
-void
-fw_core_remove_card(struct fw_card *card);
-
-void
-fw_core_handle_bus_reset(struct fw_card *card,
- int node_id, int generation,
- int self_id_count, u32 *self_ids);
-void
-fw_core_handle_request(struct fw_card *card, struct fw_packet *request);
-
-void
-fw_core_handle_response(struct fw_card *card, struct fw_packet *packet);
+void fw_card_initialize(struct fw_card *card,
+ const struct fw_card_driver *driver, struct device *device);
+int fw_card_add(struct fw_card *card,
+ u32 max_receive, u32 link_speed, u64 guid);
+void fw_core_remove_card(struct fw_card *card);
+void fw_core_handle_bus_reset(struct fw_card *card, int node_id,
+ int generation, int self_id_count, u32 *self_ids);
+void fw_core_handle_request(struct fw_card *card, struct fw_packet *request);
+void fw_core_handle_response(struct fw_card *card, struct fw_packet *packet);
+
+extern int fw_irm_set_broadcast_channel_register(struct device *dev,
+ void *data);
#endif /* __fw_transaction_h */
diff --git a/drivers/gpu/drm/Makefile b/drivers/gpu/drm/Makefile
index 30022c4a5c1..4ec5061fa58 100644
--- a/drivers/gpu/drm/Makefile
+++ b/drivers/gpu/drm/Makefile
@@ -10,7 +10,8 @@ drm-y := drm_auth.o drm_bufs.o drm_cache.o \
drm_lock.o drm_memory.o drm_proc.o drm_stub.o drm_vm.o \
drm_agpsupport.o drm_scatter.o ati_pcigart.o drm_pci.o \
drm_sysfs.o drm_hashtab.o drm_sman.o drm_mm.o \
- drm_crtc.o drm_crtc_helper.o drm_modes.o drm_edid.o
+ drm_crtc.o drm_crtc_helper.o drm_modes.o drm_edid.o \
+ drm_info.o drm_debugfs.o
drm-$(CONFIG_COMPAT) += drm_ioc32.o
diff --git a/drivers/gpu/drm/drm_debugfs.c b/drivers/gpu/drm/drm_debugfs.c
new file mode 100644
index 00000000000..c77c6c6d9d2
--- /dev/null
+++ b/drivers/gpu/drm/drm_debugfs.c
@@ -0,0 +1,235 @@
+/**
+ * \file drm_debugfs.c
+ * debugfs support for DRM
+ *
+ * \author Ben Gamari <bgamari@gmail.com>
+ */
+
+/*
+ * Created: Sun Dec 21 13:08:50 2008 by bgamari@gmail.com
+ *
+ * Copyright 2008 Ben Gamari <bgamari@gmail.com>
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <linux/debugfs.h>
+#include <linux/seq_file.h>
+#include "drmP.h"
+
+#if defined(CONFIG_DEBUG_FS)
+
+/***************************************************
+ * Initialization, etc.
+ **************************************************/
+
+static struct drm_info_list drm_debugfs_list[] = {
+ {"name", drm_name_info, 0},
+ {"vm", drm_vm_info, 0},
+ {"clients", drm_clients_info, 0},
+ {"queues", drm_queues_info, 0},
+ {"bufs", drm_bufs_info, 0},
+ {"gem_names", drm_gem_name_info, DRIVER_GEM},
+ {"gem_objects", drm_gem_object_info, DRIVER_GEM},
+#if DRM_DEBUG_CODE
+ {"vma", drm_vma_info, 0},
+#endif
+};
+#define DRM_DEBUGFS_ENTRIES ARRAY_SIZE(drm_debugfs_list)
+
+
+static int drm_debugfs_open(struct inode *inode, struct file *file)
+{
+ struct drm_info_node *node = inode->i_private;
+
+ return single_open(file, node->info_ent->show, node);
+}
+
+
+static const struct file_operations drm_debugfs_fops = {
+ .owner = THIS_MODULE,
+ .open = drm_debugfs_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+
+/**
+ * Initialize a given set of debugfs files for a device
+ *
+ * \param files The array of files to create
+ * \param count The number of files given
+ * \param root DRI debugfs dir entry.
+ * \param minor device minor number
+ * \return Zero on success, non-zero on failure
+ *
+ * Create a given set of debugfs files represented by an array of
+ * gdm_debugfs_lists in the given root directory.
+ */
+int drm_debugfs_create_files(struct drm_info_list *files, int count,
+ struct dentry *root, struct drm_minor *minor)
+{
+ struct drm_device *dev = minor->dev;
+ struct dentry *ent;
+ struct drm_info_node *tmp;
+ char name[64];
+ int i, ret;
+
+ for (i = 0; i < count; i++) {
+ u32 features = files[i].driver_features;
+
+ if (features != 0 &&
+ (dev->driver->driver_features & features) != features)
+ continue;
+
+ tmp = drm_alloc(sizeof(struct drm_info_node),
+ _DRM_DRIVER);
+ ent = debugfs_create_file(files[i].name, S_IFREG | S_IRUGO,
+ root, tmp, &drm_debugfs_fops);
+ if (!ent) {
+ DRM_ERROR("Cannot create /debugfs/dri/%s/%s\n",
+ name, files[i].name);
+ drm_free(tmp, sizeof(struct drm_info_node),
+ _DRM_DRIVER);
+ ret = -1;
+ goto fail;
+ }
+
+ tmp->minor = minor;
+ tmp->dent = ent;
+ tmp->info_ent = &files[i];
+ list_add(&(tmp->list), &(minor->debugfs_nodes.list));
+ }
+ return 0;
+
+fail:
+ drm_debugfs_remove_files(files, count, minor);
+ return ret;
+}
+EXPORT_SYMBOL(drm_debugfs_create_files);
+
+/**
+ * Initialize the DRI debugfs filesystem for a device
+ *
+ * \param dev DRM device
+ * \param minor device minor number
+ * \param root DRI debugfs dir entry.
+ *
+ * Create the DRI debugfs root entry "/debugfs/dri", the device debugfs root entry
+ * "/debugfs/dri/%minor%/", and each entry in debugfs_list as
+ * "/debugfs/dri/%minor%/%name%".
+ */
+int drm_debugfs_init(struct drm_minor *minor, int minor_id,
+ struct dentry *root)
+{
+ struct drm_device *dev = minor->dev;
+ char name[64];
+ int ret;
+
+ INIT_LIST_HEAD(&minor->debugfs_nodes.list);
+ sprintf(name, "%d", minor_id);
+ minor->debugfs_root = debugfs_create_dir(name, root);
+ if (!minor->debugfs_root) {
+ DRM_ERROR("Cannot create /debugfs/dri/%s\n", name);
+ return -1;
+ }
+
+ ret = drm_debugfs_create_files(drm_debugfs_list, DRM_DEBUGFS_ENTRIES,
+ minor->debugfs_root, minor);
+ if (ret) {
+ debugfs_remove(minor->debugfs_root);
+ minor->debugfs_root = NULL;
+ DRM_ERROR("Failed to create core drm debugfs files\n");
+ return ret;
+ }
+
+ if (dev->driver->debugfs_init) {
+ ret = dev->driver->debugfs_init(minor);
+ if (ret) {
+ DRM_ERROR("DRM: Driver failed to initialize "
+ "/debugfs/dri.\n");
+ return ret;
+ }
+ }
+ return 0;
+}
+
+
+/**
+ * Remove a list of debugfs files
+ *
+ * \param files The list of files
+ * \param count The number of files
+ * \param minor The minor of which we should remove the files
+ * \return always zero.
+ *
+ * Remove all debugfs entries created by debugfs_init().
+ */
+int drm_debugfs_remove_files(struct drm_info_list *files, int count,
+ struct drm_minor *minor)
+{
+ struct list_head *pos, *q;
+ struct drm_info_node *tmp;
+ int i;
+
+ for (i = 0; i < count; i++) {
+ list_for_each_safe(pos, q, &minor->debugfs_nodes.list) {
+ tmp = list_entry(pos, struct drm_info_node, list);
+ if (tmp->info_ent == &files[i]) {
+ debugfs_remove(tmp->dent);
+ list_del(pos);
+ drm_free(tmp, sizeof(struct drm_info_node),
+ _DRM_DRIVER);
+ }
+ }
+ }
+ return 0;
+}
+EXPORT_SYMBOL(drm_debugfs_remove_files);
+
+/**
+ * Cleanup the debugfs filesystem resources.
+ *
+ * \param minor device minor number.
+ * \return always zero.
+ *
+ * Remove all debugfs entries created by debugfs_init().
+ */
+int drm_debugfs_cleanup(struct drm_minor *minor)
+{
+ struct drm_device *dev = minor->dev;
+
+ if (!minor->debugfs_root)
+ return 0;
+
+ if (dev->driver->debugfs_cleanup)
+ dev->driver->debugfs_cleanup(minor);
+
+ drm_debugfs_remove_files(drm_debugfs_list, DRM_DEBUGFS_ENTRIES, minor);
+
+ debugfs_remove(minor->debugfs_root);
+ minor->debugfs_root = NULL;
+
+ return 0;
+}
+
+#endif /* CONFIG_DEBUG_FS */
+
diff --git a/drivers/gpu/drm/drm_drv.c b/drivers/gpu/drm/drm_drv.c
index 14c7a23dc15..ed32edb1716 100644
--- a/drivers/gpu/drm/drm_drv.c
+++ b/drivers/gpu/drm/drm_drv.c
@@ -46,9 +46,11 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
+#include <linux/debugfs.h>
#include "drmP.h"
#include "drm_core.h"
+
static int drm_version(struct drm_device *dev, void *data,
struct drm_file *file_priv);
@@ -178,7 +180,7 @@ int drm_lastclose(struct drm_device * dev)
/* Clear AGP information */
if (drm_core_has_AGP(dev) && dev->agp &&
- !drm_core_check_feature(dev, DRIVER_MODESET)) {
+ !drm_core_check_feature(dev, DRIVER_MODESET)) {
struct drm_agp_mem *entry, *tempe;
/* Remove AGP resources, but leave dev->agp
@@ -382,6 +384,13 @@ static int __init drm_core_init(void)
goto err_p3;
}
+ drm_debugfs_root = debugfs_create_dir("dri", NULL);
+ if (!drm_debugfs_root) {
+ DRM_ERROR("Cannot create /debugfs/dri\n");
+ ret = -1;
+ goto err_p3;
+ }
+
drm_mem_init();
DRM_INFO("Initialized %s %d.%d.%d %s\n",
@@ -400,6 +409,7 @@ err_p1:
static void __exit drm_core_exit(void)
{
remove_proc_entry("dri", NULL);
+ debugfs_remove(drm_debugfs_root);
drm_sysfs_destroy();
unregister_chrdev(DRM_MAJOR, "drm");
diff --git a/drivers/gpu/drm/drm_info.c b/drivers/gpu/drm/drm_info.c
new file mode 100644
index 00000000000..1b699768ccf
--- /dev/null
+++ b/drivers/gpu/drm/drm_info.c
@@ -0,0 +1,328 @@
+/**
+ * \file drm_info.c
+ * DRM info file implementations
+ *
+ * \author Ben Gamari <bgamari@gmail.com>
+ */
+
+/*
+ * Created: Sun Dec 21 13:09:50 2008 by bgamari@gmail.com
+ *
+ * Copyright 1999 Precision Insight, Inc., Cedar Park, Texas.
+ * Copyright 2000 VA Linux Systems, Inc., Sunnyvale, California.
+ * Copyright 2008 Ben Gamari <bgamari@gmail.com>
+ * All Rights Reserved.
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * VA LINUX SYSTEMS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
+ * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
+ * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
+ * OTHER DEALINGS IN THE SOFTWARE.
+ */
+
+#include <linux/seq_file.h>
+#include "drmP.h"
+
+/**
+ * Called when "/proc/dri/.../name" is read.
+ *
+ * Prints the device name together with the bus id if available.
+ */
+int drm_name_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_minor *minor = node->minor;
+ struct drm_device *dev = minor->dev;
+ struct drm_master *master = minor->master;
+
+ if (!master)
+ return 0;
+
+ if (master->unique) {
+ seq_printf(m, "%s %s %s\n",
+ dev->driver->pci_driver.name,
+ pci_name(dev->pdev), master->unique);
+ } else {
+ seq_printf(m, "%s %s\n", dev->driver->pci_driver.name,
+ pci_name(dev->pdev));
+ }
+
+ return 0;
+}
+
+/**
+ * Called when "/proc/dri/.../vm" is read.
+ *
+ * Prints information about all mappings in drm_device::maplist.
+ */
+int drm_vm_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct drm_map *map;
+ struct drm_map_list *r_list;
+
+ /* Hardcoded from _DRM_FRAME_BUFFER,
+ _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and
+ _DRM_SCATTER_GATHER and _DRM_CONSISTENT */
+ const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" };
+ const char *type;
+ int i;
+
+ mutex_lock(&dev->struct_mutex);
+ seq_printf(m, "slot offset size type flags address mtrr\n\n");
+ i = 0;
+ list_for_each_entry(r_list, &dev->maplist, head) {
+ map = r_list->map;
+ if (!map)
+ continue;
+ if (map->type < 0 || map->type > 5)
+ type = "??";
+ else
+ type = types[map->type];
+
+ seq_printf(m, "%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ",
+ i,
+ map->offset,
+ map->size, type, map->flags,
+ (unsigned long) r_list->user_token);
+ if (map->mtrr < 0)
+ seq_printf(m, "none\n");
+ else
+ seq_printf(m, "%4d\n", map->mtrr);
+ i++;
+ }
+ mutex_unlock(&dev->struct_mutex);
+ return 0;
+}
+
+/**
+ * Called when "/proc/dri/.../queues" is read.
+ */
+int drm_queues_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ int i;
+ struct drm_queue *q;
+
+ mutex_lock(&dev->struct_mutex);
+ seq_printf(m, " ctx/flags use fin"
+ " blk/rw/rwf wait flushed queued"
+ " locks\n\n");
+ for (i = 0; i < dev->queue_count; i++) {
+ q = dev->queuelist[i];
+ atomic_inc(&q->use_count);
+ seq_printf(m, "%5d/0x%03x %5d %5d"
+ " %5d/%c%c/%c%c%c %5Zd\n",
+ i,
+ q->flags,
+ atomic_read(&q->use_count),
+ atomic_read(&q->finalization),
+ atomic_read(&q->block_count),
+ atomic_read(&q->block_read) ? 'r' : '-',
+ atomic_read(&q->block_write) ? 'w' : '-',
+ waitqueue_active(&q->read_queue) ? 'r' : '-',
+ waitqueue_active(&q->write_queue) ? 'w' : '-',
+ waitqueue_active(&q->flush_queue) ? 'f' : '-',
+ DRM_BUFCOUNT(&q->waitlist));
+ atomic_dec(&q->use_count);
+ }
+ mutex_unlock(&dev->struct_mutex);
+ return 0;
+}
+
+/**
+ * Called when "/proc/dri/.../bufs" is read.
+ */
+int drm_bufs_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct drm_device_dma *dma;
+ int i, seg_pages;
+
+ mutex_lock(&dev->struct_mutex);
+ dma = dev->dma;
+ if (!dma) {
+ mutex_unlock(&dev->struct_mutex);
+ return 0;
+ }
+
+ seq_printf(m, " o size count free segs pages kB\n\n");
+ for (i = 0; i <= DRM_MAX_ORDER; i++) {
+ if (dma->bufs[i].buf_count) {
+ seg_pages = dma->bufs[i].seg_count * (1 << dma->bufs[i].page_order);
+ seq_printf(m, "%2d %8d %5d %5d %5d %5d %5ld\n",
+ i,
+ dma->bufs[i].buf_size,
+ dma->bufs[i].buf_count,
+ atomic_read(&dma->bufs[i].freelist.count),
+ dma->bufs[i].seg_count,
+ seg_pages,
+ seg_pages * PAGE_SIZE / 1024);
+ }
+ }
+ seq_printf(m, "\n");
+ for (i = 0; i < dma->buf_count; i++) {
+ if (i && !(i % 32))
+ seq_printf(m, "\n");
+ seq_printf(m, " %d", dma->buflist[i]->list);
+ }
+ seq_printf(m, "\n");
+ mutex_unlock(&dev->struct_mutex);
+ return 0;
+}
+
+/**
+ * Called when "/proc/dri/.../vblank" is read.
+ */
+int drm_vblank_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ int crtc;
+
+ mutex_lock(&dev->struct_mutex);
+ for (crtc = 0; crtc < dev->num_crtcs; crtc++) {
+ seq_printf(m, "CRTC %d enable: %d\n",
+ crtc, atomic_read(&dev->vblank_refcount[crtc]));
+ seq_printf(m, "CRTC %d counter: %d\n",
+ crtc, drm_vblank_count(dev, crtc));
+ seq_printf(m, "CRTC %d last wait: %d\n",
+ crtc, dev->last_vblank_wait[crtc]);
+ seq_printf(m, "CRTC %d in modeset: %d\n",
+ crtc, dev->vblank_inmodeset[crtc]);
+ }
+ mutex_unlock(&dev->struct_mutex);
+ return 0;
+}
+
+/**
+ * Called when "/proc/dri/.../clients" is read.
+ *
+ */
+int drm_clients_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct drm_file *priv;
+
+ mutex_lock(&dev->struct_mutex);
+ seq_printf(m, "a dev pid uid magic ioctls\n\n");
+ list_for_each_entry(priv, &dev->filelist, lhead) {
+ seq_printf(m, "%c %3d %5d %5d %10u %10lu\n",
+ priv->authenticated ? 'y' : 'n',
+ priv->minor->index,
+ priv->pid,
+ priv->uid, priv->magic, priv->ioctl_count);
+ }
+ mutex_unlock(&dev->struct_mutex);
+ return 0;
+}
+
+
+int drm_gem_one_name_info(int id, void *ptr, void *data)
+{
+ struct drm_gem_object *obj = ptr;
+ struct seq_file *m = data;
+
+ seq_printf(m, "name %d size %zd\n", obj->name, obj->size);
+
+ seq_printf(m, "%6d %8zd %7d %8d\n",
+ obj->name, obj->size,
+ atomic_read(&obj->handlecount.refcount),
+ atomic_read(&obj->refcount.refcount));
+ return 0;
+}
+
+int drm_gem_name_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+
+ seq_printf(m, " name size handles refcount\n");
+ idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, m);
+ return 0;
+}
+
+int drm_gem_object_info(struct seq_file *m, void* data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+
+ seq_printf(m, "%d objects\n", atomic_read(&dev->object_count));
+ seq_printf(m, "%d object bytes\n", atomic_read(&dev->object_memory));
+ seq_printf(m, "%d pinned\n", atomic_read(&dev->pin_count));
+ seq_printf(m, "%d pin bytes\n", atomic_read(&dev->pin_memory));
+ seq_printf(m, "%d gtt bytes\n", atomic_read(&dev->gtt_memory));
+ seq_printf(m, "%d gtt total\n", dev->gtt_total);
+ return 0;
+}
+
+#if DRM_DEBUG_CODE
+
+int drm_vma_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ struct drm_vma_entry *pt;
+ struct vm_area_struct *vma;
+#if defined(__i386__)
+ unsigned int pgprot;
+#endif
+
+ mutex_lock(&dev->struct_mutex);
+ seq_printf(m, "vma use count: %d, high_memory = %p, 0x%08llx\n",
+ atomic_read(&dev->vma_count),
+ high_memory, (u64)virt_to_phys(high_memory));
+
+ list_for_each_entry(pt, &dev->vmalist, head) {
+ vma = pt->vma;
+ if (!vma)
+ continue;
+ seq_printf(m,
+ "\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx000",
+ pt->pid, vma->vm_start, vma->vm_end,
+ vma->vm_flags & VM_READ ? 'r' : '-',
+ vma->vm_flags & VM_WRITE ? 'w' : '-',
+ vma->vm_flags & VM_EXEC ? 'x' : '-',
+ vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
+ vma->vm_flags & VM_LOCKED ? 'l' : '-',
+ vma->vm_flags & VM_IO ? 'i' : '-',
+ vma->vm_pgoff);
+
+#if defined(__i386__)
+ pgprot = pgprot_val(vma->vm_page_prot);
+ seq_printf(m, " %c%c%c%c%c%c%c%c%c",
+ pgprot & _PAGE_PRESENT ? 'p' : '-',
+ pgprot & _PAGE_RW ? 'w' : 'r',
+ pgprot & _PAGE_USER ? 'u' : 's',
+ pgprot & _PAGE_PWT ? 't' : 'b',
+ pgprot & _PAGE_PCD ? 'u' : 'c',
+ pgprot & _PAGE_ACCESSED ? 'a' : '-',
+ pgprot & _PAGE_DIRTY ? 'd' : '-',
+ pgprot & _PAGE_PSE ? 'm' : 'k',
+ pgprot & _PAGE_GLOBAL ? 'g' : 'l');
+#endif
+ seq_printf(m, "\n");
+ }
+ mutex_unlock(&dev->struct_mutex);
+ return 0;
+}
+
+#endif
+
diff --git a/drivers/gpu/drm/drm_proc.c b/drivers/gpu/drm/drm_proc.c
index b756f043a5f..9b3c5af61e9 100644
--- a/drivers/gpu/drm/drm_proc.c
+++ b/drivers/gpu/drm/drm_proc.c
@@ -37,697 +37,196 @@
* OTHER DEALINGS IN THE SOFTWARE.
*/
+#include <linux/seq_file.h>
#include "drmP.h"
-static int drm_name_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data);
-static int drm_vm_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data);
-static int drm_clients_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data);
-static int drm_queues_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data);
-static int drm_bufs_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data);
-static int drm_vblank_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data);
-static int drm_gem_name_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data);
-static int drm_gem_object_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data);
-#if DRM_DEBUG_CODE
-static int drm_vma_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data);
-#endif
+
+/***************************************************
+ * Initialization, etc.
+ **************************************************/
/**
* Proc file list.
*/
-static struct drm_proc_list {
- const char *name; /**< file name */
- int (*f) (char *, char **, off_t, int, int *, void *); /**< proc callback*/
- u32 driver_features; /**< Required driver features for this entry */
-} drm_proc_list[] = {
+static struct drm_info_list drm_proc_list[] = {
{"name", drm_name_info, 0},
- {"mem", drm_mem_info, 0},
{"vm", drm_vm_info, 0},
{"clients", drm_clients_info, 0},
{"queues", drm_queues_info, 0},
{"bufs", drm_bufs_info, 0},
- {"vblank", drm_vblank_info, 0},
{"gem_names", drm_gem_name_info, DRIVER_GEM},
{"gem_objects", drm_gem_object_info, DRIVER_GEM},
#if DRM_DEBUG_CODE
- {"vma", drm_vma_info},
+ {"vma", drm_vma_info, 0},
#endif
};
-
#define DRM_PROC_ENTRIES ARRAY_SIZE(drm_proc_list)
+static int drm_proc_open(struct inode *inode, struct file *file)
+{
+ struct drm_info_node* node = PDE(inode)->data;
+
+ return single_open(file, node->info_ent->show, node);
+}
+
+static const struct file_operations drm_proc_fops = {
+ .owner = THIS_MODULE,
+ .open = drm_proc_open,
+ .read = seq_read,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+
/**
- * Initialize the DRI proc filesystem for a device.
+ * Initialize a given set of proc files for a device
*
- * \param dev DRM device.
- * \param minor device minor number.
+ * \param files The array of files to create
+ * \param count The number of files given
* \param root DRI proc dir entry.
- * \param dev_root resulting DRI device proc dir entry.
- * \return root entry pointer on success, or NULL on failure.
+ * \param minor device minor number
+ * \return Zero on success, non-zero on failure
*
- * Create the DRI proc root entry "/proc/dri", the device proc root entry
- * "/proc/dri/%minor%/", and each entry in proc_list as
- * "/proc/dri/%minor%/%name%".
+ * Create a given set of proc files represented by an array of
+ * gdm_proc_lists in the given root directory.
*/
-int drm_proc_init(struct drm_minor *minor, int minor_id,
- struct proc_dir_entry *root)
+int drm_proc_create_files(struct drm_info_list *files, int count,
+ struct proc_dir_entry *root, struct drm_minor *minor)
{
struct drm_device *dev = minor->dev;
struct proc_dir_entry *ent;
- int i, j, ret;
+ struct drm_info_node *tmp;
char name[64];
+ int i, ret;
- sprintf(name, "%d", minor_id);
- minor->dev_root = proc_mkdir(name, root);
- if (!minor->dev_root) {
- DRM_ERROR("Cannot create /proc/dri/%s\n", name);
- return -1;
- }
-
- for (i = 0; i < DRM_PROC_ENTRIES; i++) {
- u32 features = drm_proc_list[i].driver_features;
+ for (i = 0; i < count; i++) {
+ u32 features = files[i].driver_features;
if (features != 0 &&
(dev->driver->driver_features & features) != features)
continue;
- ent = create_proc_entry(drm_proc_list[i].name,
- S_IFREG | S_IRUGO, minor->dev_root);
+ tmp = drm_alloc(sizeof(struct drm_info_node), _DRM_DRIVER);
+ ent = create_proc_entry(files[i].name, S_IFREG | S_IRUGO, root);
if (!ent) {
DRM_ERROR("Cannot create /proc/dri/%s/%s\n",
- name, drm_proc_list[i].name);
+ name, files[i].name);
+ drm_free(tmp, sizeof(struct drm_info_node),
+ _DRM_DRIVER);
ret = -1;
goto fail;
}
- ent->read_proc = drm_proc_list[i].f;
- ent->data = minor;
- }
- if (dev->driver->proc_init) {
- ret = dev->driver->proc_init(minor);
- if (ret) {
- DRM_ERROR("DRM: Driver failed to initialize "
- "/proc/dri.\n");
- goto fail;
- }
+ ent->proc_fops = &drm_proc_fops;
+ ent->data = tmp;
+ tmp->minor = minor;
+ tmp->info_ent = &files[i];
+ list_add(&(tmp->list), &(minor->proc_nodes.list));
}
-
return 0;
- fail:
- for (j = 0; j < i; j++)
- remove_proc_entry(drm_proc_list[i].name,
- minor->dev_root);
- remove_proc_entry(name, root);
- minor->dev_root = NULL;
+fail:
+ for (i = 0; i < count; i++)
+ remove_proc_entry(drm_proc_list[i].name, minor->proc_root);
return ret;
}
/**
- * Cleanup the proc filesystem resources.
+ * Initialize the DRI proc filesystem for a device
*
- * \param minor device minor number.
+ * \param dev DRM device
+ * \param minor device minor number
* \param root DRI proc dir entry.
- * \param dev_root DRI device proc dir entry.
- * \return always zero.
+ * \param dev_root resulting DRI device proc dir entry.
+ * \return root entry pointer on success, or NULL on failure.
*
- * Remove all proc entries created by proc_init().
+ * Create the DRI proc root entry "/proc/dri", the device proc root entry
+ * "/proc/dri/%minor%/", and each entry in proc_list as
+ * "/proc/dri/%minor%/%name%".
*/
-int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root)
+int drm_proc_init(struct drm_minor *minor, int minor_id,
+ struct proc_dir_entry *root)
{
struct drm_device *dev = minor->dev;
- int i;
char name[64];
+ int ret;
- if (!root || !minor->dev_root)
- return 0;
-
- if (dev->driver->proc_cleanup)
- dev->driver->proc_cleanup(minor);
-
- for (i = 0; i < DRM_PROC_ENTRIES; i++)
- remove_proc_entry(drm_proc_list[i].name, minor->dev_root);
- sprintf(name, "%d", minor->index);
- remove_proc_entry(name, root);
-
- return 0;
-}
-
-/**
- * Called when "/proc/dri/.../name" is read.
- *
- * \param buf output buffer.
- * \param start start of output data.
- * \param offset requested start offset.
- * \param request requested number of bytes.
- * \param eof whether there is no more data to return.
- * \param data private data.
- * \return number of written bytes.
- *
- * Prints the device name together with the bus id if available.
- */
-static int drm_name_info(char *buf, char **start, off_t offset, int request,
- int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_master *master = minor->master;
- struct drm_device *dev = minor->dev;
- int len = 0;
-
- if (offset > DRM_PROC_LIMIT) {
- *eof = 1;
- return 0;
+ INIT_LIST_HEAD(&minor->proc_nodes.list);
+ sprintf(name, "%d", minor_id);
+ minor->proc_root = proc_mkdir(name, root);
+ if (!minor->proc_root) {
+ DRM_ERROR("Cannot create /proc/dri/%s\n", name);
+ return -1;
}
- if (!master)
- return 0;
-
- *start = &buf[offset];
- *eof = 0;
-
- if (master->unique) {
- DRM_PROC_PRINT("%s %s %s\n",
- dev->driver->pci_driver.name,
- pci_name(dev->pdev), master->unique);
- } else {
- DRM_PROC_PRINT("%s %s\n", dev->driver->pci_driver.name,
- pci_name(dev->pdev));
+ ret = drm_proc_create_files(drm_proc_list, DRM_PROC_ENTRIES,
+ minor->proc_root, minor);
+ if (ret) {
+ remove_proc_entry(name, root);
+ minor->proc_root = NULL;
+ DRM_ERROR("Failed to create core drm proc files\n");
+ return ret;
}
- if (len > request + offset)
- return request;
- *eof = 1;
- return len - offset;
-}
-
-/**
- * Called when "/proc/dri/.../vm" is read.
- *
- * \param buf output buffer.
- * \param start start of output data.
- * \param offset requested start offset.
- * \param request requested number of bytes.
- * \param eof whether there is no more data to return.
- * \param data private data.
- * \return number of written bytes.
- *
- * Prints information about all mappings in drm_device::maplist.
- */
-static int drm__vm_info(char *buf, char **start, off_t offset, int request,
- int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- int len = 0;
- struct drm_map *map;
- struct drm_map_list *r_list;
-
- /* Hardcoded from _DRM_FRAME_BUFFER,
- _DRM_REGISTERS, _DRM_SHM, _DRM_AGP, and
- _DRM_SCATTER_GATHER and _DRM_CONSISTENT */
- const char *types[] = { "FB", "REG", "SHM", "AGP", "SG", "PCI" };
- const char *type;
- int i;
-
- if (offset > DRM_PROC_LIMIT) {
- *eof = 1;
- return 0;
- }
-
- *start = &buf[offset];
- *eof = 0;
-
- DRM_PROC_PRINT("slot offset size type flags "
- "address mtrr\n\n");
- i = 0;
- list_for_each_entry(r_list, &dev->maplist, head) {
- map = r_list->map;
- if (!map)
- continue;
- if (map->type < 0 || map->type > 5)
- type = "??";
- else
- type = types[map->type];
- DRM_PROC_PRINT("%4d 0x%08lx 0x%08lx %4.4s 0x%02x 0x%08lx ",
- i,
- map->offset,
- map->size, type, map->flags,
- (unsigned long) r_list->user_token);
- if (map->mtrr < 0) {
- DRM_PROC_PRINT("none\n");
- } else {
- DRM_PROC_PRINT("%4d\n", map->mtrr);
+ if (dev->driver->proc_init) {
+ ret = dev->driver->proc_init(minor);
+ if (ret) {
+ DRM_ERROR("DRM: Driver failed to initialize "
+ "/proc/dri.\n");
+ return ret;
}
- i++;
- }
-
- if (len > request + offset)
- return request;
- *eof = 1;
- return len - offset;
-}
-
-/**
- * Simply calls _vm_info() while holding the drm_device::struct_mutex lock.
- */
-static int drm_vm_info(char *buf, char **start, off_t offset, int request,
- int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- int ret;
-
- mutex_lock(&dev->struct_mutex);
- ret = drm__vm_info(buf, start, offset, request, eof, data);
- mutex_unlock(&dev->struct_mutex);
- return ret;
-}
-
-/**
- * Called when "/proc/dri/.../queues" is read.
- *
- * \param buf output buffer.
- * \param start start of output data.
- * \param offset requested start offset.
- * \param request requested number of bytes.
- * \param eof whether there is no more data to return.
- * \param data private data.
- * \return number of written bytes.
- */
-static int drm__queues_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- int len = 0;
- int i;
- struct drm_queue *q;
-
- if (offset > DRM_PROC_LIMIT) {
- *eof = 1;
- return 0;
}
-
- *start = &buf[offset];
- *eof = 0;
-
- DRM_PROC_PRINT(" ctx/flags use fin"
- " blk/rw/rwf wait flushed queued"
- " locks\n\n");
- for (i = 0; i < dev->queue_count; i++) {
- q = dev->queuelist[i];
- atomic_inc(&q->use_count);
- DRM_PROC_PRINT_RET(atomic_dec(&q->use_count),
- "%5d/0x%03x %5d %5d"
- " %5d/%c%c/%c%c%c %5Zd\n",
- i,
- q->flags,
- atomic_read(&q->use_count),
- atomic_read(&q->finalization),
- atomic_read(&q->block_count),
- atomic_read(&q->block_read) ? 'r' : '-',
- atomic_read(&q->block_write) ? 'w' : '-',
- waitqueue_active(&q->read_queue) ? 'r' : '-',
- waitqueue_active(&q->
- write_queue) ? 'w' : '-',
- waitqueue_active(&q->
- flush_queue) ? 'f' : '-',
- DRM_BUFCOUNT(&q->waitlist));
- atomic_dec(&q->use_count);
- }
-
- if (len > request + offset)
- return request;
- *eof = 1;
- return len - offset;
-}
-
-/**
- * Simply calls _queues_info() while holding the drm_device::struct_mutex lock.
- */
-static int drm_queues_info(char *buf, char **start, off_t offset, int request,
- int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- int ret;
-
- mutex_lock(&dev->struct_mutex);
- ret = drm__queues_info(buf, start, offset, request, eof, data);
- mutex_unlock(&dev->struct_mutex);
- return ret;
+ return 0;
}
-/**
- * Called when "/proc/dri/.../bufs" is read.
- *
- * \param buf output buffer.
- * \param start start of output data.
- * \param offset requested start offset.
- * \param request requested number of bytes.
- * \param eof whether there is no more data to return.
- * \param data private data.
- * \return number of written bytes.
- */
-static int drm__bufs_info(char *buf, char **start, off_t offset, int request,
- int *eof, void *data)
+int drm_proc_remove_files(struct drm_info_list *files, int count,
+ struct drm_minor *minor)
{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- int len = 0;
- struct drm_device_dma *dma = dev->dma;
+ struct list_head *pos, *q;
+ struct drm_info_node *tmp;
int i;
- if (!dma || offset > DRM_PROC_LIMIT) {
- *eof = 1;
- return 0;
- }
-
- *start = &buf[offset];
- *eof = 0;
-
- DRM_PROC_PRINT(" o size count free segs pages kB\n\n");
- for (i = 0; i <= DRM_MAX_ORDER; i++) {
- if (dma->bufs[i].buf_count)
- DRM_PROC_PRINT("%2d %8d %5d %5d %5d %5d %5ld\n",
- i,
- dma->bufs[i].buf_size,
- dma->bufs[i].buf_count,
- atomic_read(&dma->bufs[i]
- .freelist.count),
- dma->bufs[i].seg_count,
- dma->bufs[i].seg_count
- * (1 << dma->bufs[i].page_order),
- (dma->bufs[i].seg_count
- * (1 << dma->bufs[i].page_order))
- * PAGE_SIZE / 1024);
- }
- DRM_PROC_PRINT("\n");
- for (i = 0; i < dma->buf_count; i++) {
- if (i && !(i % 32))
- DRM_PROC_PRINT("\n");
- DRM_PROC_PRINT(" %d", dma->buflist[i]->list);
+ for (i = 0; i < count; i++) {
+ list_for_each_safe(pos, q, &minor->proc_nodes.list) {
+ tmp = list_entry(pos, struct drm_info_node, list);
+ if (tmp->info_ent == &files[i]) {
+ remove_proc_entry(files[i].name,
+ minor->proc_root);
+ list_del(pos);
+ drm_free(tmp, sizeof(struct drm_info_node),
+ _DRM_DRIVER);
+ }
+ }
}
- DRM_PROC_PRINT("\n");
-
- if (len > request + offset)
- return request;
- *eof = 1;
- return len - offset;
-}
-
-/**
- * Simply calls _bufs_info() while holding the drm_device::struct_mutex lock.
- */
-static int drm_bufs_info(char *buf, char **start, off_t offset, int request,
- int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- int ret;
-
- mutex_lock(&dev->struct_mutex);
- ret = drm__bufs_info(buf, start, offset, request, eof, data);
- mutex_unlock(&dev->struct_mutex);
- return ret;
+ return 0;
}
/**
- * Called when "/proc/dri/.../vblank" is read.
+ * Cleanup the proc filesystem resources.
*
- * \param buf output buffer.
- * \param start start of output data.
- * \param offset requested start offset.
- * \param request requested number of bytes.
- * \param eof whether there is no more data to return.
- * \param data private data.
- * \return number of written bytes.
- */
-static int drm__vblank_info(char *buf, char **start, off_t offset, int request,
- int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- int len = 0;
- int crtc;
-
- if (offset > DRM_PROC_LIMIT) {
- *eof = 1;
- return 0;
- }
-
- *start = &buf[offset];
- *eof = 0;
-
- for (crtc = 0; crtc < dev->num_crtcs; crtc++) {
- DRM_PROC_PRINT("CRTC %d enable: %d\n",
- crtc, atomic_read(&dev->vblank_refcount[crtc]));
- DRM_PROC_PRINT("CRTC %d counter: %d\n",
- crtc, drm_vblank_count(dev, crtc));
- DRM_PROC_PRINT("CRTC %d last wait: %d\n",
- crtc, dev->last_vblank_wait[crtc]);
- DRM_PROC_PRINT("CRTC %d in modeset: %d\n",
- crtc, dev->vblank_inmodeset[crtc]);
- }
-
- if (len > request + offset)
- return request;
- *eof = 1;
- return len - offset;
-}
-
-/**
- * Simply calls _vblank_info() while holding the drm_device::struct_mutex lock.
- */
-static int drm_vblank_info(char *buf, char **start, off_t offset, int request,
- int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- int ret;
-
- mutex_lock(&dev->struct_mutex);
- ret = drm__vblank_info(buf, start, offset, request, eof, data);
- mutex_unlock(&dev->struct_mutex);
- return ret;
-}
-
-/**
- * Called when "/proc/dri/.../clients" is read.
+ * \param minor device minor number.
+ * \param root DRI proc dir entry.
+ * \param dev_root DRI device proc dir entry.
+ * \return always zero.
*
- * \param buf output buffer.
- * \param start start of output data.
- * \param offset requested start offset.
- * \param request requested number of bytes.
- * \param eof whether there is no more data to return.
- * \param data private data.
- * \return number of written bytes.
+ * Remove all proc entries created by proc_init().
*/
-static int drm__clients_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data)
+int drm_proc_cleanup(struct drm_minor *minor, struct proc_dir_entry *root)
{
- struct drm_minor *minor = (struct drm_minor *) data;
struct drm_device *dev = minor->dev;
- int len = 0;
- struct drm_file *priv;
+ char name[64];
- if (offset > DRM_PROC_LIMIT) {
- *eof = 1;
+ if (!root || !minor->proc_root)
return 0;
- }
-
- *start = &buf[offset];
- *eof = 0;
-
- DRM_PROC_PRINT("a dev pid uid magic ioctls\n\n");
- list_for_each_entry(priv, &dev->filelist, lhead) {
- DRM_PROC_PRINT("%c %3d %5d %5d %10u %10lu\n",
- priv->authenticated ? 'y' : 'n',
- priv->minor->index,
- priv->pid,
- priv->uid, priv->magic, priv->ioctl_count);
- }
- if (len > request + offset)
- return request;
- *eof = 1;
- return len - offset;
-}
-
-/**
- * Simply calls _clients_info() while holding the drm_device::struct_mutex lock.
- */
-static int drm_clients_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- int ret;
-
- mutex_lock(&dev->struct_mutex);
- ret = drm__clients_info(buf, start, offset, request, eof, data);
- mutex_unlock(&dev->struct_mutex);
- return ret;
-}
-
-struct drm_gem_name_info_data {
- int len;
- char *buf;
- int eof;
-};
+ if (dev->driver->proc_cleanup)
+ dev->driver->proc_cleanup(minor);
-static int drm_gem_one_name_info(int id, void *ptr, void *data)
-{
- struct drm_gem_object *obj = ptr;
- struct drm_gem_name_info_data *nid = data;
+ drm_proc_remove_files(drm_proc_list, DRM_PROC_ENTRIES, minor);
- DRM_INFO("name %d size %zd\n", obj->name, obj->size);
- if (nid->eof)
- return 0;
+ sprintf(name, "%d", minor->index);
+ remove_proc_entry(name, root);
- nid->len += sprintf(&nid->buf[nid->len],
- "%6d %8zd %7d %8d\n",
- obj->name, obj->size,
- atomic_read(&obj->handlecount.refcount),
- atomic_read(&obj->refcount.refcount));
- if (nid->len > DRM_PROC_LIMIT) {
- nid->eof = 1;
- return 0;
- }
return 0;
}
-static int drm_gem_name_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- struct drm_gem_name_info_data nid;
-
- if (offset > DRM_PROC_LIMIT) {
- *eof = 1;
- return 0;
- }
-
- nid.len = sprintf(buf, " name size handles refcount\n");
- nid.buf = buf;
- nid.eof = 0;
- idr_for_each(&dev->object_name_idr, drm_gem_one_name_info, &nid);
-
- *start = &buf[offset];
- *eof = 0;
- if (nid.len > request + offset)
- return request;
- *eof = 1;
- return nid.len - offset;
-}
-
-static int drm_gem_object_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- int len = 0;
-
- if (offset > DRM_PROC_LIMIT) {
- *eof = 1;
- return 0;
- }
-
- *start = &buf[offset];
- *eof = 0;
- DRM_PROC_PRINT("%d objects\n", atomic_read(&dev->object_count));
- DRM_PROC_PRINT("%d object bytes\n", atomic_read(&dev->object_memory));
- DRM_PROC_PRINT("%d pinned\n", atomic_read(&dev->pin_count));
- DRM_PROC_PRINT("%d pin bytes\n", atomic_read(&dev->pin_memory));
- DRM_PROC_PRINT("%d gtt bytes\n", atomic_read(&dev->gtt_memory));
- DRM_PROC_PRINT("%d gtt total\n", dev->gtt_total);
- if (len > request + offset)
- return request;
- *eof = 1;
- return len - offset;
-}
-
-#if DRM_DEBUG_CODE
-
-static int drm__vma_info(char *buf, char **start, off_t offset, int request,
- int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- int len = 0;
- struct drm_vma_entry *pt;
- struct vm_area_struct *vma;
-#if defined(__i386__)
- unsigned int pgprot;
-#endif
-
- if (offset > DRM_PROC_LIMIT) {
- *eof = 1;
- return 0;
- }
-
- *start = &buf[offset];
- *eof = 0;
-
- DRM_PROC_PRINT("vma use count: %d, high_memory = %p, 0x%llx\n",
- atomic_read(&dev->vma_count),
- high_memory, (u64)virt_to_phys(high_memory));
- list_for_each_entry(pt, &dev->vmalist, head) {
- if (!(vma = pt->vma))
- continue;
- DRM_PROC_PRINT("\n%5d 0x%08lx-0x%08lx %c%c%c%c%c%c 0x%08lx000",
- pt->pid,
- vma->vm_start,
- vma->vm_end,
- vma->vm_flags & VM_READ ? 'r' : '-',
- vma->vm_flags & VM_WRITE ? 'w' : '-',
- vma->vm_flags & VM_EXEC ? 'x' : '-',
- vma->vm_flags & VM_MAYSHARE ? 's' : 'p',
- vma->vm_flags & VM_LOCKED ? 'l' : '-',
- vma->vm_flags & VM_IO ? 'i' : '-',
- vma->vm_pgoff);
-
-#if defined(__i386__)
- pgprot = pgprot_val(vma->vm_page_prot);
- DRM_PROC_PRINT(" %c%c%c%c%c%c%c%c%c",
- pgprot & _PAGE_PRESENT ? 'p' : '-',
- pgprot & _PAGE_RW ? 'w' : 'r',
- pgprot & _PAGE_USER ? 'u' : 's',
- pgprot & _PAGE_PWT ? 't' : 'b',
- pgprot & _PAGE_PCD ? 'u' : 'c',
- pgprot & _PAGE_ACCESSED ? 'a' : '-',
- pgprot & _PAGE_DIRTY ? 'd' : '-',
- pgprot & _PAGE_PSE ? 'm' : 'k',
- pgprot & _PAGE_GLOBAL ? 'g' : 'l');
-#endif
- DRM_PROC_PRINT("\n");
- }
-
- if (len > request + offset)
- return request;
- *eof = 1;
- return len - offset;
-}
-
-static int drm_vma_info(char *buf, char **start, off_t offset, int request,
- int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- int ret;
-
- mutex_lock(&dev->struct_mutex);
- ret = drm__vma_info(buf, start, offset, request, eof, data);
- mutex_unlock(&dev->struct_mutex);
- return ret;
-}
-#endif
diff --git a/drivers/gpu/drm/drm_stub.c b/drivers/gpu/drm/drm_stub.c
index 7c8b15b22bf..48f33be8fd0 100644
--- a/drivers/gpu/drm/drm_stub.c
+++ b/drivers/gpu/drm/drm_stub.c
@@ -50,6 +50,7 @@ struct idr drm_minors_idr;
struct class *drm_class;
struct proc_dir_entry *drm_proc_root;
+struct dentry *drm_debugfs_root;
static int drm_minor_get_id(struct drm_device *dev, int type)
{
@@ -313,7 +314,15 @@ static int drm_get_minor(struct drm_device *dev, struct drm_minor **minor, int t
goto err_mem;
}
} else
- new_minor->dev_root = NULL;
+ new_minor->proc_root = NULL;
+
+#if defined(CONFIG_DEBUG_FS)
+ ret = drm_debugfs_init(new_minor, minor_id, drm_debugfs_root);
+ if (ret) {
+ DRM_ERROR("DRM: Failed to initialize /debugfs/dri.\n");
+ goto err_g2;
+ }
+#endif
ret = drm_sysfs_device_add(new_minor);
if (ret) {
@@ -451,6 +460,10 @@ int drm_put_minor(struct drm_minor **minor_p)
if (minor->type == DRM_MINOR_LEGACY)
drm_proc_cleanup(minor, drm_proc_root);
+#if defined(CONFIG_DEBUG_FS)
+ drm_debugfs_cleanup(minor);
+#endif
+
drm_sysfs_device_remove(minor);
idr_remove(&drm_minors_idr, minor->index);
diff --git a/drivers/gpu/drm/i915/Makefile b/drivers/gpu/drm/i915/Makefile
index 793cba39d83..51c5a050aa7 100644
--- a/drivers/gpu/drm/i915/Makefile
+++ b/drivers/gpu/drm/i915/Makefile
@@ -7,7 +7,7 @@ i915-y := i915_drv.o i915_dma.o i915_irq.o i915_mem.o \
i915_suspend.o \
i915_gem.o \
i915_gem_debug.o \
- i915_gem_proc.o \
+ i915_gem_debugfs.o \
i915_gem_tiling.o \
intel_display.o \
intel_crt.o \
diff --git a/drivers/gpu/drm/i915/i915_dma.c b/drivers/gpu/drm/i915/i915_dma.c
index 6d21b9e48b8..a818b377e1f 100644
--- a/drivers/gpu/drm/i915/i915_dma.c
+++ b/drivers/gpu/drm/i915/i915_dma.c
@@ -41,7 +41,6 @@
int i915_wait_ring(struct drm_device * dev, int n, const char *caller)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
drm_i915_ring_buffer_t *ring = &(dev_priv->ring);
u32 acthd_reg = IS_I965G(dev) ? ACTHD_I965 : ACTHD;
u32 last_acthd = I915_READ(acthd_reg);
@@ -58,8 +57,12 @@ int i915_wait_ring(struct drm_device * dev, int n, const char *caller)
if (ring->space >= n)
return 0;
- if (master_priv->sarea_priv)
- master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
+ if (dev->primary->master) {
+ struct drm_i915_master_private *master_priv = dev->primary->master->driver_priv;
+ if (master_priv->sarea_priv)
+ master_priv->sarea_priv->perf_boxes |= I915_BOX_WAIT;
+ }
+
if (ring->head != last_head)
i = 0;
@@ -356,7 +359,7 @@ static int validate_cmd(int cmd)
return ret;
}
-static int i915_emit_cmds(struct drm_device * dev, int __user * buffer, int dwords)
+static int i915_emit_cmds(struct drm_device * dev, int *buffer, int dwords)
{
drm_i915_private_t *dev_priv = dev->dev_private;
int i;
@@ -370,8 +373,7 @@ static int i915_emit_cmds(struct drm_device * dev, int __user * buffer, int dwor
for (i = 0; i < dwords;) {
int cmd, sz;
- if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i], sizeof(cmd)))
- return -EINVAL;
+ cmd = buffer[i];
if ((sz = validate_cmd(cmd)) == 0 || i + sz > dwords)
return -EINVAL;
@@ -379,11 +381,7 @@ static int i915_emit_cmds(struct drm_device * dev, int __user * buffer, int dwor
OUT_RING(cmd);
while (++i, --sz) {
- if (DRM_COPY_FROM_USER_UNCHECKED(&cmd, &buffer[i],
- sizeof(cmd))) {
- return -EINVAL;
- }
- OUT_RING(cmd);
+ OUT_RING(buffer[i]);
}
}
@@ -397,17 +395,13 @@ static int i915_emit_cmds(struct drm_device * dev, int __user * buffer, int dwor
int
i915_emit_box(struct drm_device *dev,
- struct drm_clip_rect __user *boxes,
+ struct drm_clip_rect *boxes,
int i, int DR1, int DR4)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_clip_rect box;
+ struct drm_clip_rect box = boxes[i];
RING_LOCALS;
- if (DRM_COPY_FROM_USER_UNCHECKED(&box, &boxes[i], sizeof(box))) {
- return -EFAULT;
- }
-
if (box.y2 <= box.y1 || box.x2 <= box.x1 || box.y2 <= 0 || box.x2 <= 0) {
DRM_ERROR("Bad box %d,%d..%d,%d\n",
box.x1, box.y1, box.x2, box.y2);
@@ -460,7 +454,9 @@ static void i915_emit_breadcrumb(struct drm_device *dev)
}
static int i915_dispatch_cmdbuffer(struct drm_device * dev,
- drm_i915_cmdbuffer_t * cmd)
+ drm_i915_cmdbuffer_t *cmd,
+ struct drm_clip_rect *cliprects,
+ void *cmdbuf)
{
int nbox = cmd->num_cliprects;
int i = 0, count, ret;
@@ -476,13 +472,13 @@ static int i915_dispatch_cmdbuffer(struct drm_device * dev,
for (i = 0; i < count; i++) {
if (i < nbox) {
- ret = i915_emit_box(dev, cmd->cliprects, i,
+ ret = i915_emit_box(dev, cliprects, i,
cmd->DR1, cmd->DR4);
if (ret)
return ret;
}
- ret = i915_emit_cmds(dev, (int __user *)cmd->buf, cmd->sz / 4);
+ ret = i915_emit_cmds(dev, cmdbuf, cmd->sz / 4);
if (ret)
return ret;
}
@@ -492,10 +488,10 @@ static int i915_dispatch_cmdbuffer(struct drm_device * dev,
}
static int i915_dispatch_batchbuffer(struct drm_device * dev,
- drm_i915_batchbuffer_t * batch)
+ drm_i915_batchbuffer_t * batch,
+ struct drm_clip_rect *cliprects)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_clip_rect __user *boxes = batch->cliprects;
int nbox = batch->num_cliprects;
int i = 0, count;
RING_LOCALS;
@@ -511,7 +507,7 @@ static int i915_dispatch_batchbuffer(struct drm_device * dev,
for (i = 0; i < count; i++) {
if (i < nbox) {
- int ret = i915_emit_box(dev, boxes, i,
+ int ret = i915_emit_box(dev, cliprects, i,
batch->DR1, batch->DR4);
if (ret)
return ret;
@@ -626,6 +622,7 @@ static int i915_batchbuffer(struct drm_device *dev, void *data,
master_priv->sarea_priv;
drm_i915_batchbuffer_t *batch = data;
int ret;
+ struct drm_clip_rect *cliprects = NULL;
if (!dev_priv->allow_batchbuffer) {
DRM_ERROR("Batchbuffer ioctl disabled\n");
@@ -637,17 +634,35 @@ static int i915_batchbuffer(struct drm_device *dev, void *data,
RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
- if (batch->num_cliprects && DRM_VERIFYAREA_READ(batch->cliprects,
- batch->num_cliprects *
- sizeof(struct drm_clip_rect)))
- return -EFAULT;
+ if (batch->num_cliprects < 0)
+ return -EINVAL;
+
+ if (batch->num_cliprects) {
+ cliprects = drm_calloc(batch->num_cliprects,
+ sizeof(struct drm_clip_rect),
+ DRM_MEM_DRIVER);
+ if (cliprects == NULL)
+ return -ENOMEM;
+
+ ret = copy_from_user(cliprects, batch->cliprects,
+ batch->num_cliprects *
+ sizeof(struct drm_clip_rect));
+ if (ret != 0)
+ goto fail_free;
+ }
mutex_lock(&dev->struct_mutex);
- ret = i915_dispatch_batchbuffer(dev, batch);
+ ret = i915_dispatch_batchbuffer(dev, batch, cliprects);
mutex_unlock(&dev->struct_mutex);
if (sarea_priv)
sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
+
+fail_free:
+ drm_free(cliprects,
+ batch->num_cliprects * sizeof(struct drm_clip_rect),
+ DRM_MEM_DRIVER);
+
return ret;
}
@@ -659,6 +674,8 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
drm_i915_sarea_t *sarea_priv = (drm_i915_sarea_t *)
master_priv->sarea_priv;
drm_i915_cmdbuffer_t *cmdbuf = data;
+ struct drm_clip_rect *cliprects = NULL;
+ void *batch_data;
int ret;
DRM_DEBUG("i915 cmdbuffer, buf %p sz %d cliprects %d\n",
@@ -666,25 +683,50 @@ static int i915_cmdbuffer(struct drm_device *dev, void *data,
RING_LOCK_TEST_WITH_RETURN(dev, file_priv);
- if (cmdbuf->num_cliprects &&
- DRM_VERIFYAREA_READ(cmdbuf->cliprects,
- cmdbuf->num_cliprects *
- sizeof(struct drm_clip_rect))) {
- DRM_ERROR("Fault accessing cliprects\n");
- return -EFAULT;
+ if (cmdbuf->num_cliprects < 0)
+ return -EINVAL;
+
+ batch_data = drm_alloc(cmdbuf->sz, DRM_MEM_DRIVER);
+ if (batch_data == NULL)
+ return -ENOMEM;
+
+ ret = copy_from_user(batch_data, cmdbuf->buf, cmdbuf->sz);
+ if (ret != 0)
+ goto fail_batch_free;
+
+ if (cmdbuf->num_cliprects) {
+ cliprects = drm_calloc(cmdbuf->num_cliprects,
+ sizeof(struct drm_clip_rect),
+ DRM_MEM_DRIVER);
+ if (cliprects == NULL)
+ goto fail_batch_free;
+
+ ret = copy_from_user(cliprects, cmdbuf->cliprects,
+ cmdbuf->num_cliprects *
+ sizeof(struct drm_clip_rect));
+ if (ret != 0)
+ goto fail_clip_free;
}
mutex_lock(&dev->struct_mutex);
- ret = i915_dispatch_cmdbuffer(dev, cmdbuf);
+ ret = i915_dispatch_cmdbuffer(dev, cmdbuf, cliprects, batch_data);
mutex_unlock(&dev->struct_mutex);
if (ret) {
DRM_ERROR("i915_dispatch_cmdbuffer failed\n");
- return ret;
+ goto fail_batch_free;
}
if (sarea_priv)
sarea_priv->last_dispatch = READ_BREADCRUMB(dev_priv);
- return 0;
+
+fail_batch_free:
+ drm_free(batch_data, cmdbuf->sz, DRM_MEM_DRIVER);
+fail_clip_free:
+ drm_free(cliprects,
+ cmdbuf->num_cliprects * sizeof(struct drm_clip_rect),
+ DRM_MEM_DRIVER);
+
+ return ret;
}
static int i915_flip_bufs(struct drm_device *dev, void *data,
diff --git a/drivers/gpu/drm/i915/i915_drv.c b/drivers/gpu/drm/i915/i915_drv.c
index b293ef0bae7..dcb91f5df6e 100644
--- a/drivers/gpu/drm/i915/i915_drv.c
+++ b/drivers/gpu/drm/i915/i915_drv.c
@@ -150,8 +150,10 @@ static struct drm_driver driver = {
.get_reg_ofs = drm_core_get_reg_ofs,
.master_create = i915_master_create,
.master_destroy = i915_master_destroy,
- .proc_init = i915_gem_proc_init,
- .proc_cleanup = i915_gem_proc_cleanup,
+#if defined(CONFIG_DEBUG_FS)
+ .debugfs_init = i915_gem_debugfs_init,
+ .debugfs_cleanup = i915_gem_debugfs_cleanup,
+#endif
.gem_init_object = i915_gem_init_object,
.gem_free_object = i915_gem_free_object,
.gem_vm_ops = &i915_gem_vm_ops,
diff --git a/drivers/gpu/drm/i915/i915_drv.h b/drivers/gpu/drm/i915/i915_drv.h
index d6cc9861e0a..c1685d0c704 100644
--- a/drivers/gpu/drm/i915/i915_drv.h
+++ b/drivers/gpu/drm/i915/i915_drv.h
@@ -404,7 +404,8 @@ struct drm_i915_gem_object {
/** AGP memory structure for our GTT binding. */
DRM_AGP_MEM *agp_mem;
- struct page **page_list;
+ struct page **pages;
+ int pages_refcount;
/**
* Current offset of the object in GTT space.
@@ -519,7 +520,7 @@ extern int i915_driver_device_is_agp(struct drm_device * dev);
extern long i915_compat_ioctl(struct file *filp, unsigned int cmd,
unsigned long arg);
extern int i915_emit_box(struct drm_device *dev,
- struct drm_clip_rect __user *boxes,
+ struct drm_clip_rect *boxes,
int i, int DR1, int DR4);
/* i915_irq.c */
@@ -604,8 +605,6 @@ int i915_gem_get_tiling(struct drm_device *dev, void *data,
int i915_gem_get_aperture_ioctl(struct drm_device *dev, void *data,
struct drm_file *file_priv);
void i915_gem_load(struct drm_device *dev);
-int i915_gem_proc_init(struct drm_minor *minor);
-void i915_gem_proc_cleanup(struct drm_minor *minor);
int i915_gem_init_object(struct drm_gem_object *obj);
void i915_gem_free_object(struct drm_gem_object *obj);
int i915_gem_object_pin(struct drm_gem_object *obj, uint32_t alignment);
@@ -649,6 +648,10 @@ void i915_gem_dump_object(struct drm_gem_object *obj, int len,
const char *where, uint32_t mark);
void i915_dump_lru(struct drm_device *dev, const char *where);
+/* i915_debugfs.c */
+int i915_gem_debugfs_init(struct drm_minor *minor);
+void i915_gem_debugfs_cleanup(struct drm_minor *minor);
+
/* i915_suspend.c */
extern int i915_save_state(struct drm_device *dev);
extern int i915_restore_state(struct drm_device *dev);
@@ -784,15 +787,21 @@ extern int i915_wait_ring(struct drm_device * dev, int n, const char *caller);
(dev)->pci_device == 0x2E22 || \
IS_GM45(dev))
+#define IS_IGDG(dev) ((dev)->pci_device == 0xa001)
+#define IS_IGDGM(dev) ((dev)->pci_device == 0xa011)
+#define IS_IGD(dev) (IS_IGDG(dev) || IS_IGDGM(dev))
+
#define IS_G33(dev) ((dev)->pci_device == 0x29C2 || \
(dev)->pci_device == 0x29B2 || \
- (dev)->pci_device == 0x29D2)
+ (dev)->pci_device == 0x29D2 || \
+ (IS_IGD(dev)))
#define IS_I9XX(dev) (IS_I915G(dev) || IS_I915GM(dev) || IS_I945G(dev) || \
IS_I945GM(dev) || IS_I965G(dev) || IS_G33(dev))
#define IS_MOBILE(dev) (IS_I830(dev) || IS_I85X(dev) || IS_I915GM(dev) || \
- IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev))
+ IS_I945GM(dev) || IS_I965GM(dev) || IS_GM45(dev) || \
+ IS_IGD(dev))
#define I915_NEED_GFX_HWS(dev) (IS_G33(dev) || IS_GM45(dev) || IS_G4X(dev))
/* With the 945 and later, Y tiling got adjusted so that it was 32 128-byte
diff --git a/drivers/gpu/drm/i915/i915_gem.c b/drivers/gpu/drm/i915/i915_gem.c
index 37427e4016c..b52cba0f16d 100644
--- a/drivers/gpu/drm/i915/i915_gem.c
+++ b/drivers/gpu/drm/i915/i915_gem.c
@@ -43,8 +43,8 @@ static int i915_gem_object_set_cpu_read_domain_range(struct drm_gem_object *obj,
uint64_t offset,
uint64_t size);
static void i915_gem_object_set_to_full_cpu_read_domain(struct drm_gem_object *obj);
-static int i915_gem_object_get_page_list(struct drm_gem_object *obj);
-static void i915_gem_object_free_page_list(struct drm_gem_object *obj);
+static int i915_gem_object_get_pages(struct drm_gem_object *obj);
+static void i915_gem_object_put_pages(struct drm_gem_object *obj);
static int i915_gem_object_wait_rendering(struct drm_gem_object *obj);
static int i915_gem_object_bind_to_gtt(struct drm_gem_object *obj,
unsigned alignment);
@@ -136,6 +136,224 @@ i915_gem_create_ioctl(struct drm_device *dev, void *data,
return 0;
}
+static inline int
+fast_shmem_read(struct page **pages,
+ loff_t page_base, int page_offset,
+ char __user *data,
+ int length)
+{
+ char __iomem *vaddr;
+ int ret;
+
+ vaddr = kmap_atomic(pages[page_base >> PAGE_SHIFT], KM_USER0);
+ if (vaddr == NULL)
+ return -ENOMEM;
+ ret = __copy_to_user_inatomic(data, vaddr + page_offset, length);
+ kunmap_atomic(vaddr, KM_USER0);
+
+ return ret;
+}
+
+static inline int
+slow_shmem_copy(struct page *dst_page,
+ int dst_offset,
+ struct page *src_page,
+ int src_offset,
+ int length)
+{
+ char *dst_vaddr, *src_vaddr;
+
+ dst_vaddr = kmap_atomic(dst_page, KM_USER0);
+ if (dst_vaddr == NULL)
+ return -ENOMEM;
+
+ src_vaddr = kmap_atomic(src_page, KM_USER1);
+ if (src_vaddr == NULL) {
+ kunmap_atomic(dst_vaddr, KM_USER0);
+ return -ENOMEM;
+ }
+
+ memcpy(dst_vaddr + dst_offset, src_vaddr + src_offset, length);
+
+ kunmap_atomic(src_vaddr, KM_USER1);
+ kunmap_atomic(dst_vaddr, KM_USER0);
+
+ return 0;
+}
+
+/**
+ * This is the fast shmem pread path, which attempts to copy_from_user directly
+ * from the backing pages of the object to the user's address space. On a
+ * fault, it fails so we can fall back to i915_gem_shmem_pwrite_slow().
+ */
+static int
+i915_gem_shmem_pread_fast(struct drm_device *dev, struct drm_gem_object *obj,
+ struct drm_i915_gem_pread *args,
+ struct drm_file *file_priv)
+{
+ struct drm_i915_gem_object *obj_priv = obj->driver_private;
+ ssize_t remain;
+ loff_t offset, page_base;
+ char __user *user_data;
+ int page_offset, page_length;
+ int ret;
+
+ user_data = (char __user *) (uintptr_t) args->data_ptr;
+ remain = args->size;
+
+ mutex_lock(&dev->struct_mutex);
+
+ ret = i915_gem_object_get_pages(obj);
+ if (ret != 0)
+ goto fail_unlock;
+
+ ret = i915_gem_object_set_cpu_read_domain_range(obj, args->offset,
+ args->size);
+ if (ret != 0)
+ goto fail_put_pages;
+
+ obj_priv = obj->driver_private;
+ offset = args->offset;
+
+ while (remain > 0) {
+ /* Operation in this page
+ *
+ * page_base = page offset within aperture
+ * page_offset = offset within page
+ * page_length = bytes to copy for this page
+ */
+ page_base = (offset & ~(PAGE_SIZE-1));
+ page_offset = offset & (PAGE_SIZE-1);
+ page_length = remain;
+ if ((page_offset + remain) > PAGE_SIZE)
+ page_length = PAGE_SIZE - page_offset;
+
+ ret = fast_shmem_read(obj_priv->pages,
+ page_base, page_offset,
+ user_data, page_length);
+ if (ret)
+ goto fail_put_pages;
+
+ remain -= page_length;
+ user_data += page_length;
+ offset += page_length;
+ }
+
+fail_put_pages:
+ i915_gem_object_put_pages(obj);
+fail_unlock:
+ mutex_unlock(&dev->struct_mutex);
+
+ return ret;
+}
+
+/**
+ * This is the fallback shmem pread path, which allocates temporary storage
+ * in kernel space to copy_to_user into outside of the struct_mutex, so we
+ * can copy out of the object's backing pages while holding the struct mutex
+ * and not take page faults.
+ */
+static int
+i915_gem_shmem_pread_slow(struct drm_device *dev, struct drm_gem_object *obj,
+ struct drm_i915_gem_pread *args,
+ struct drm_file *file_priv)
+{
+ struct drm_i915_gem_object *obj_priv = obj->driver_private;
+ struct mm_struct *mm = current->mm;
+ struct page **user_pages;
+ ssize_t remain;
+ loff_t offset, pinned_pages, i;
+ loff_t first_data_page, last_data_page, num_pages;
+ int shmem_page_index, shmem_page_offset;
+ int data_page_index, data_page_offset;
+ int page_length;
+ int ret;
+ uint64_t data_ptr = args->data_ptr;
+
+ remain = args->size;
+
+ /* Pin the user pages containing the data. We can't fault while
+ * holding the struct mutex, yet we want to hold it while
+ * dereferencing the user data.
+ */
+ first_data_page = data_ptr / PAGE_SIZE;
+ last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
+ num_pages = last_data_page - first_data_page + 1;
+
+ user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+ if (user_pages == NULL)
+ return -ENOMEM;
+
+ down_read(&mm->mmap_sem);
+ pinned_pages = get_user_pages(current, mm, (uintptr_t)args->data_ptr,
+ num_pages, 0, 0, user_pages, NULL);
+ up_read(&mm->mmap_sem);
+ if (pinned_pages < num_pages) {
+ ret = -EFAULT;
+ goto fail_put_user_pages;
+ }
+
+ mutex_lock(&dev->struct_mutex);
+
+ ret = i915_gem_object_get_pages(obj);
+ if (ret != 0)
+ goto fail_unlock;
+
+ ret = i915_gem_object_set_cpu_read_domain_range(obj, args->offset,
+ args->size);
+ if (ret != 0)
+ goto fail_put_pages;
+
+ obj_priv = obj->driver_private;
+ offset = args->offset;
+
+ while (remain > 0) {
+ /* Operation in this page
+ *
+ * shmem_page_index = page number within shmem file
+ * shmem_page_offset = offset within page in shmem file
+ * data_page_index = page number in get_user_pages return
+ * data_page_offset = offset with data_page_index page.
+ * page_length = bytes to copy for this page
+ */
+ shmem_page_index = offset / PAGE_SIZE;
+ shmem_page_offset = offset & ~PAGE_MASK;
+ data_page_index = data_ptr / PAGE_SIZE - first_data_page;
+ data_page_offset = data_ptr & ~PAGE_MASK;
+
+ page_length = remain;
+ if ((shmem_page_offset + page_length) > PAGE_SIZE)
+ page_length = PAGE_SIZE - shmem_page_offset;
+ if ((data_page_offset + page_length) > PAGE_SIZE)
+ page_length = PAGE_SIZE - data_page_offset;
+
+ ret = slow_shmem_copy(user_pages[data_page_index],
+ data_page_offset,
+ obj_priv->pages[shmem_page_index],
+ shmem_page_offset,
+ page_length);
+ if (ret)
+ goto fail_put_pages;
+
+ remain -= page_length;
+ data_ptr += page_length;
+ offset += page_length;
+ }
+
+fail_put_pages:
+ i915_gem_object_put_pages(obj);
+fail_unlock:
+ mutex_unlock(&dev->struct_mutex);
+fail_put_user_pages:
+ for (i = 0; i < pinned_pages; i++) {
+ SetPageDirty(user_pages[i]);
+ page_cache_release(user_pages[i]);
+ }
+ kfree(user_pages);
+
+ return ret;
+}
+
/**
* Reads data from the object referenced by handle.
*
@@ -148,8 +366,6 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data,
struct drm_i915_gem_pread *args = data;
struct drm_gem_object *obj;
struct drm_i915_gem_object *obj_priv;
- ssize_t read;
- loff_t offset;
int ret;
obj = drm_gem_object_lookup(dev, file_priv, args->handle);
@@ -167,33 +383,13 @@ i915_gem_pread_ioctl(struct drm_device *dev, void *data,
return -EINVAL;
}
- mutex_lock(&dev->struct_mutex);
-
- ret = i915_gem_object_set_cpu_read_domain_range(obj, args->offset,
- args->size);
- if (ret != 0) {
- drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
- return ret;
- }
-
- offset = args->offset;
-
- read = vfs_read(obj->filp, (char __user *)(uintptr_t)args->data_ptr,
- args->size, &offset);
- if (read != args->size) {
- drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
- if (read < 0)
- return read;
- else
- return -EINVAL;
- }
+ ret = i915_gem_shmem_pread_fast(dev, obj, args, file_priv);
+ if (ret != 0)
+ ret = i915_gem_shmem_pread_slow(dev, obj, args, file_priv);
drm_gem_object_unreference(obj);
- mutex_unlock(&dev->struct_mutex);
- return 0;
+ return ret;
}
/* This is the fast write path which cannot handle
@@ -223,29 +419,51 @@ fast_user_write(struct io_mapping *mapping,
*/
static inline int
-slow_user_write(struct io_mapping *mapping,
- loff_t page_base, int page_offset,
- char __user *user_data,
- int length)
+slow_kernel_write(struct io_mapping *mapping,
+ loff_t gtt_base, int gtt_offset,
+ struct page *user_page, int user_offset,
+ int length)
{
- char __iomem *vaddr;
+ char *src_vaddr, *dst_vaddr;
unsigned long unwritten;
- vaddr = io_mapping_map_wc(mapping, page_base);
- if (vaddr == NULL)
- return -EFAULT;
- unwritten = __copy_from_user(vaddr + page_offset,
- user_data, length);
- io_mapping_unmap(vaddr);
+ dst_vaddr = io_mapping_map_atomic_wc(mapping, gtt_base);
+ src_vaddr = kmap_atomic(user_page, KM_USER1);
+ unwritten = __copy_from_user_inatomic_nocache(dst_vaddr + gtt_offset,
+ src_vaddr + user_offset,
+ length);
+ kunmap_atomic(src_vaddr, KM_USER1);
+ io_mapping_unmap_atomic(dst_vaddr);
if (unwritten)
return -EFAULT;
return 0;
}
+static inline int
+fast_shmem_write(struct page **pages,
+ loff_t page_base, int page_offset,
+ char __user *data,
+ int length)
+{
+ char __iomem *vaddr;
+
+ vaddr = kmap_atomic(pages[page_base >> PAGE_SHIFT], KM_USER0);
+ if (vaddr == NULL)
+ return -ENOMEM;
+ __copy_from_user_inatomic(vaddr + page_offset, data, length);
+ kunmap_atomic(vaddr, KM_USER0);
+
+ return 0;
+}
+
+/**
+ * This is the fast pwrite path, where we copy the data directly from the
+ * user into the GTT, uncached.
+ */
static int
-i915_gem_gtt_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
- struct drm_i915_gem_pwrite *args,
- struct drm_file *file_priv)
+i915_gem_gtt_pwrite_fast(struct drm_device *dev, struct drm_gem_object *obj,
+ struct drm_i915_gem_pwrite *args,
+ struct drm_file *file_priv)
{
struct drm_i915_gem_object *obj_priv = obj->driver_private;
drm_i915_private_t *dev_priv = dev->dev_private;
@@ -273,7 +491,6 @@ i915_gem_gtt_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
obj_priv = obj->driver_private;
offset = obj_priv->gtt_offset + args->offset;
- obj_priv->dirty = 1;
while (remain > 0) {
/* Operation in this page
@@ -292,16 +509,11 @@ i915_gem_gtt_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
page_offset, user_data, page_length);
/* If we get a fault while copying data, then (presumably) our
- * source page isn't available. In this case, use the
- * non-atomic function
+ * source page isn't available. Return the error and we'll
+ * retry in the slow path.
*/
- if (ret) {
- ret = slow_user_write (dev_priv->mm.gtt_mapping,
- page_base, page_offset,
- user_data, page_length);
- if (ret)
- goto fail;
- }
+ if (ret)
+ goto fail;
remain -= page_length;
user_data += page_length;
@@ -315,39 +527,284 @@ fail:
return ret;
}
+/**
+ * This is the fallback GTT pwrite path, which uses get_user_pages to pin
+ * the memory and maps it using kmap_atomic for copying.
+ *
+ * This code resulted in x11perf -rgb10text consuming about 10% more CPU
+ * than using i915_gem_gtt_pwrite_fast on a G45 (32-bit).
+ */
static int
-i915_gem_shmem_pwrite(struct drm_device *dev, struct drm_gem_object *obj,
- struct drm_i915_gem_pwrite *args,
- struct drm_file *file_priv)
+i915_gem_gtt_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj,
+ struct drm_i915_gem_pwrite *args,
+ struct drm_file *file_priv)
{
+ struct drm_i915_gem_object *obj_priv = obj->driver_private;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ ssize_t remain;
+ loff_t gtt_page_base, offset;
+ loff_t first_data_page, last_data_page, num_pages;
+ loff_t pinned_pages, i;
+ struct page **user_pages;
+ struct mm_struct *mm = current->mm;
+ int gtt_page_offset, data_page_offset, data_page_index, page_length;
int ret;
- loff_t offset;
- ssize_t written;
+ uint64_t data_ptr = args->data_ptr;
+
+ remain = args->size;
+
+ /* Pin the user pages containing the data. We can't fault while
+ * holding the struct mutex, and all of the pwrite implementations
+ * want to hold it while dereferencing the user data.
+ */
+ first_data_page = data_ptr / PAGE_SIZE;
+ last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
+ num_pages = last_data_page - first_data_page + 1;
+
+ user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+ if (user_pages == NULL)
+ return -ENOMEM;
+
+ down_read(&mm->mmap_sem);
+ pinned_pages = get_user_pages(current, mm, (uintptr_t)args->data_ptr,
+ num_pages, 0, 0, user_pages, NULL);
+ up_read(&mm->mmap_sem);
+ if (pinned_pages < num_pages) {
+ ret = -EFAULT;
+ goto out_unpin_pages;
+ }
mutex_lock(&dev->struct_mutex);
+ ret = i915_gem_object_pin(obj, 0);
+ if (ret)
+ goto out_unlock;
+
+ ret = i915_gem_object_set_to_gtt_domain(obj, 1);
+ if (ret)
+ goto out_unpin_object;
+
+ obj_priv = obj->driver_private;
+ offset = obj_priv->gtt_offset + args->offset;
+
+ while (remain > 0) {
+ /* Operation in this page
+ *
+ * gtt_page_base = page offset within aperture
+ * gtt_page_offset = offset within page in aperture
+ * data_page_index = page number in get_user_pages return
+ * data_page_offset = offset with data_page_index page.
+ * page_length = bytes to copy for this page
+ */
+ gtt_page_base = offset & PAGE_MASK;
+ gtt_page_offset = offset & ~PAGE_MASK;
+ data_page_index = data_ptr / PAGE_SIZE - first_data_page;
+ data_page_offset = data_ptr & ~PAGE_MASK;
+
+ page_length = remain;
+ if ((gtt_page_offset + page_length) > PAGE_SIZE)
+ page_length = PAGE_SIZE - gtt_page_offset;
+ if ((data_page_offset + page_length) > PAGE_SIZE)
+ page_length = PAGE_SIZE - data_page_offset;
+
+ ret = slow_kernel_write(dev_priv->mm.gtt_mapping,
+ gtt_page_base, gtt_page_offset,
+ user_pages[data_page_index],
+ data_page_offset,
+ page_length);
+
+ /* If we get a fault while copying data, then (presumably) our
+ * source page isn't available. Return the error and we'll
+ * retry in the slow path.
+ */
+ if (ret)
+ goto out_unpin_object;
+
+ remain -= page_length;
+ offset += page_length;
+ data_ptr += page_length;
+ }
+
+out_unpin_object:
+ i915_gem_object_unpin(obj);
+out_unlock:
+ mutex_unlock(&dev->struct_mutex);
+out_unpin_pages:
+ for (i = 0; i < pinned_pages; i++)
+ page_cache_release(user_pages[i]);
+ kfree(user_pages);
+
+ return ret;
+}
+
+/**
+ * This is the fast shmem pwrite path, which attempts to directly
+ * copy_from_user into the kmapped pages backing the object.
+ */
+static int
+i915_gem_shmem_pwrite_fast(struct drm_device *dev, struct drm_gem_object *obj,
+ struct drm_i915_gem_pwrite *args,
+ struct drm_file *file_priv)
+{
+ struct drm_i915_gem_object *obj_priv = obj->driver_private;
+ ssize_t remain;
+ loff_t offset, page_base;
+ char __user *user_data;
+ int page_offset, page_length;
+ int ret;
+
+ user_data = (char __user *) (uintptr_t) args->data_ptr;
+ remain = args->size;
+
+ mutex_lock(&dev->struct_mutex);
+
+ ret = i915_gem_object_get_pages(obj);
+ if (ret != 0)
+ goto fail_unlock;
ret = i915_gem_object_set_to_cpu_domain(obj, 1);
- if (ret) {
- mutex_unlock(&dev->struct_mutex);
- return ret;
+ if (ret != 0)
+ goto fail_put_pages;
+
+ obj_priv = obj->driver_private;
+ offset = args->offset;
+ obj_priv->dirty = 1;
+
+ while (remain > 0) {
+ /* Operation in this page
+ *
+ * page_base = page offset within aperture
+ * page_offset = offset within page
+ * page_length = bytes to copy for this page
+ */
+ page_base = (offset & ~(PAGE_SIZE-1));
+ page_offset = offset & (PAGE_SIZE-1);
+ page_length = remain;
+ if ((page_offset + remain) > PAGE_SIZE)
+ page_length = PAGE_SIZE - page_offset;
+
+ ret = fast_shmem_write(obj_priv->pages,
+ page_base, page_offset,
+ user_data, page_length);
+ if (ret)
+ goto fail_put_pages;
+
+ remain -= page_length;
+ user_data += page_length;
+ offset += page_length;
}
+fail_put_pages:
+ i915_gem_object_put_pages(obj);
+fail_unlock:
+ mutex_unlock(&dev->struct_mutex);
+
+ return ret;
+}
+
+/**
+ * This is the fallback shmem pwrite path, which uses get_user_pages to pin
+ * the memory and maps it using kmap_atomic for copying.
+ *
+ * This avoids taking mmap_sem for faulting on the user's address while the
+ * struct_mutex is held.
+ */
+static int
+i915_gem_shmem_pwrite_slow(struct drm_device *dev, struct drm_gem_object *obj,
+ struct drm_i915_gem_pwrite *args,
+ struct drm_file *file_priv)
+{
+ struct drm_i915_gem_object *obj_priv = obj->driver_private;
+ struct mm_struct *mm = current->mm;
+ struct page **user_pages;
+ ssize_t remain;
+ loff_t offset, pinned_pages, i;
+ loff_t first_data_page, last_data_page, num_pages;
+ int shmem_page_index, shmem_page_offset;
+ int data_page_index, data_page_offset;
+ int page_length;
+ int ret;
+ uint64_t data_ptr = args->data_ptr;
+
+ remain = args->size;
+
+ /* Pin the user pages containing the data. We can't fault while
+ * holding the struct mutex, and all of the pwrite implementations
+ * want to hold it while dereferencing the user data.
+ */
+ first_data_page = data_ptr / PAGE_SIZE;
+ last_data_page = (data_ptr + args->size - 1) / PAGE_SIZE;
+ num_pages = last_data_page - first_data_page + 1;
+
+ user_pages = kcalloc(num_pages, sizeof(struct page *), GFP_KERNEL);
+ if (user_pages == NULL)
+ return -ENOMEM;
+
+ down_read(&mm->mmap_sem);
+ pinned_pages = get_user_pages(current, mm, (uintptr_t)args->data_ptr,
+ num_pages, 0, 0, user_pages, NULL);
+ up_read(&mm->mmap_sem);
+ if (pinned_pages < num_pages) {
+ ret = -EFAULT;
+ goto fail_put_user_pages;
+ }
+
+ mutex_lock(&dev->struct_mutex);
+
+ ret = i915_gem_object_get_pages(obj);
+ if (ret != 0)
+ goto fail_unlock;
+
+ ret = i915_gem_object_set_to_cpu_domain(obj, 1);
+ if (ret != 0)
+ goto fail_put_pages;
+
+ obj_priv = obj->driver_private;
offset = args->offset;
+ obj_priv->dirty = 1;
- written = vfs_write(obj->filp,
- (char __user *)(uintptr_t) args->data_ptr,
- args->size, &offset);
- if (written != args->size) {
- mutex_unlock(&dev->struct_mutex);
- if (written < 0)
- return written;
- else
- return -EINVAL;
+ while (remain > 0) {
+ /* Operation in this page
+ *
+ * shmem_page_index = page number within shmem file
+ * shmem_page_offset = offset within page in shmem file
+ * data_page_index = page number in get_user_pages return
+ * data_page_offset = offset with data_page_index page.
+ * page_length = bytes to copy for this page
+ */
+ shmem_page_index = offset / PAGE_SIZE;
+ shmem_page_offset = offset & ~PAGE_MASK;
+ data_page_index = data_ptr / PAGE_SIZE - first_data_page;
+ data_page_offset = data_ptr & ~PAGE_MASK;
+
+ page_length = remain;
+ if ((shmem_page_offset + page_length) > PAGE_SIZE)
+ page_length = PAGE_SIZE - shmem_page_offset;
+ if ((data_page_offset + page_length) > PAGE_SIZE)
+ page_length = PAGE_SIZE - data_page_offset;
+
+ ret = slow_shmem_copy(obj_priv->pages[shmem_page_index],
+ shmem_page_offset,
+ user_pages[data_page_index],
+ data_page_offset,
+ page_length);
+ if (ret)
+ goto fail_put_pages;
+
+ remain -= page_length;
+ data_ptr += page_length;
+ offset += page_length;
}
+fail_put_pages:
+ i915_gem_object_put_pages(obj);
+fail_unlock:
mutex_unlock(&dev->struct_mutex);
+fail_put_user_pages:
+ for (i = 0; i < pinned_pages; i++)
+ page_cache_release(user_pages[i]);
+ kfree(user_pages);
- return 0;
+ return ret;
}
/**
@@ -388,10 +845,19 @@ i915_gem_pwrite_ioctl(struct drm_device *dev, void *data,
if (obj_priv->phys_obj)
ret = i915_gem_phys_pwrite(dev, obj, args, file_priv);
else if (obj_priv->tiling_mode == I915_TILING_NONE &&
- dev->gtt_total != 0)
- ret = i915_gem_gtt_pwrite(dev, obj, args, file_priv);
- else
- ret = i915_gem_shmem_pwrite(dev, obj, args, file_priv);
+ dev->gtt_total != 0) {
+ ret = i915_gem_gtt_pwrite_fast(dev, obj, args, file_priv);
+ if (ret == -EFAULT) {
+ ret = i915_gem_gtt_pwrite_slow(dev, obj, args,
+ file_priv);
+ }
+ } else {
+ ret = i915_gem_shmem_pwrite_fast(dev, obj, args, file_priv);
+ if (ret == -EFAULT) {
+ ret = i915_gem_shmem_pwrite_slow(dev, obj, args,
+ file_priv);
+ }
+ }
#if WATCH_PWRITE
if (ret)
@@ -816,29 +1282,30 @@ i915_gem_mmap_gtt_ioctl(struct drm_device *dev, void *data,
}
static void
-i915_gem_object_free_page_list(struct drm_gem_object *obj)
+i915_gem_object_put_pages(struct drm_gem_object *obj)
{
struct drm_i915_gem_object *obj_priv = obj->driver_private;
int page_count = obj->size / PAGE_SIZE;
int i;
- if (obj_priv->page_list == NULL)
- return;
+ BUG_ON(obj_priv->pages_refcount == 0);
+ if (--obj_priv->pages_refcount != 0)
+ return;
for (i = 0; i < page_count; i++)
- if (obj_priv->page_list[i] != NULL) {
+ if (obj_priv->pages[i] != NULL) {
if (obj_priv->dirty)
- set_page_dirty(obj_priv->page_list[i]);
- mark_page_accessed(obj_priv->page_list[i]);
- page_cache_release(obj_priv->page_list[i]);
+ set_page_dirty(obj_priv->pages[i]);
+ mark_page_accessed(obj_priv->pages[i]);
+ page_cache_release(obj_priv->pages[i]);
}
obj_priv->dirty = 0;
- drm_free(obj_priv->page_list,
+ drm_free(obj_priv->pages,
page_count * sizeof(struct page *),
DRM_MEM_DRIVER);
- obj_priv->page_list = NULL;
+ obj_priv->pages = NULL;
}
static void
@@ -1290,7 +1757,7 @@ i915_gem_object_unbind(struct drm_gem_object *obj)
if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
i915_gem_clear_fence_reg(obj);
- i915_gem_object_free_page_list(obj);
+ i915_gem_object_put_pages(obj);
if (obj_priv->gtt_space) {
atomic_dec(&dev->gtt_count);
@@ -1409,7 +1876,7 @@ i915_gem_evict_everything(struct drm_device *dev)
}
static int
-i915_gem_object_get_page_list(struct drm_gem_object *obj)
+i915_gem_object_get_pages(struct drm_gem_object *obj)
{
struct drm_i915_gem_object *obj_priv = obj->driver_private;
int page_count, i;
@@ -1418,18 +1885,19 @@ i915_gem_object_get_page_list(struct drm_gem_object *obj)
struct page *page;
int ret;
- if (obj_priv->page_list)
+ if (obj_priv->pages_refcount++ != 0)
return 0;
/* Get the list of pages out of our struct file. They'll be pinned
* at this point until we release them.
*/
page_count = obj->size / PAGE_SIZE;
- BUG_ON(obj_priv->page_list != NULL);
- obj_priv->page_list = drm_calloc(page_count, sizeof(struct page *),
- DRM_MEM_DRIVER);
- if (obj_priv->page_list == NULL) {
+ BUG_ON(obj_priv->pages != NULL);
+ obj_priv->pages = drm_calloc(page_count, sizeof(struct page *),
+ DRM_MEM_DRIVER);
+ if (obj_priv->pages == NULL) {
DRM_ERROR("Faled to allocate page list\n");
+ obj_priv->pages_refcount--;
return -ENOMEM;
}
@@ -1440,10 +1908,10 @@ i915_gem_object_get_page_list(struct drm_gem_object *obj)
if (IS_ERR(page)) {
ret = PTR_ERR(page);
DRM_ERROR("read_mapping_page failed: %d\n", ret);
- i915_gem_object_free_page_list(obj);
+ i915_gem_object_put_pages(obj);
return ret;
}
- obj_priv->page_list[i] = page;
+ obj_priv->pages[i] = page;
}
return 0;
}
@@ -1766,7 +2234,7 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
DRM_INFO("Binding object of size %d at 0x%08x\n",
obj->size, obj_priv->gtt_offset);
#endif
- ret = i915_gem_object_get_page_list(obj);
+ ret = i915_gem_object_get_pages(obj);
if (ret) {
drm_mm_put_block(obj_priv->gtt_space);
obj_priv->gtt_space = NULL;
@@ -1778,12 +2246,12 @@ i915_gem_object_bind_to_gtt(struct drm_gem_object *obj, unsigned alignment)
* into the GTT.
*/
obj_priv->agp_mem = drm_agp_bind_pages(dev,
- obj_priv->page_list,
+ obj_priv->pages,
page_count,
obj_priv->gtt_offset,
obj_priv->agp_type);
if (obj_priv->agp_mem == NULL) {
- i915_gem_object_free_page_list(obj);
+ i915_gem_object_put_pages(obj);
drm_mm_put_block(obj_priv->gtt_space);
obj_priv->gtt_space = NULL;
return -ENOMEM;
@@ -1810,10 +2278,10 @@ i915_gem_clflush_object(struct drm_gem_object *obj)
* to GPU, and we can ignore the cache flush because it'll happen
* again at bind time.
*/
- if (obj_priv->page_list == NULL)
+ if (obj_priv->pages == NULL)
return;
- drm_clflush_pages(obj_priv->page_list, obj->size / PAGE_SIZE);
+ drm_clflush_pages(obj_priv->pages, obj->size / PAGE_SIZE);
}
/** Flushes any GPU write domain for the object if it's dirty. */
@@ -1913,7 +2381,6 @@ i915_gem_object_set_to_gtt_domain(struct drm_gem_object *obj, int write)
static int
i915_gem_object_set_to_cpu_domain(struct drm_gem_object *obj, int write)
{
- struct drm_device *dev = obj->dev;
int ret;
i915_gem_object_flush_gpu_write_domain(obj);
@@ -1932,7 +2399,6 @@ i915_gem_object_set_to_cpu_domain(struct drm_gem_object *obj, int write)
/* Flush the CPU cache if it's still invalid. */
if ((obj->read_domains & I915_GEM_DOMAIN_CPU) == 0) {
i915_gem_clflush_object(obj);
- drm_agp_chipset_flush(dev);
obj->read_domains |= I915_GEM_DOMAIN_CPU;
}
@@ -2144,7 +2610,6 @@ i915_gem_object_set_to_gpu_domain(struct drm_gem_object *obj)
static void
i915_gem_object_set_to_full_cpu_read_domain(struct drm_gem_object *obj)
{
- struct drm_device *dev = obj->dev;
struct drm_i915_gem_object *obj_priv = obj->driver_private;
if (!obj_priv->page_cpu_valid)
@@ -2158,9 +2623,8 @@ i915_gem_object_set_to_full_cpu_read_domain(struct drm_gem_object *obj)
for (i = 0; i <= (obj->size - 1) / PAGE_SIZE; i++) {
if (obj_priv->page_cpu_valid[i])
continue;
- drm_clflush_pages(obj_priv->page_list + i, 1);
+ drm_clflush_pages(obj_priv->pages + i, 1);
}
- drm_agp_chipset_flush(dev);
}
/* Free the page_cpu_valid mappings which are now stale, whether
@@ -2224,7 +2688,7 @@ i915_gem_object_set_cpu_read_domain_range(struct drm_gem_object *obj,
if (obj_priv->page_cpu_valid[i])
continue;
- drm_clflush_pages(obj_priv->page_list + i, 1);
+ drm_clflush_pages(obj_priv->pages + i, 1);
obj_priv->page_cpu_valid[i] = 1;
}
@@ -2245,12 +2709,11 @@ i915_gem_object_set_cpu_read_domain_range(struct drm_gem_object *obj,
static int
i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
struct drm_file *file_priv,
- struct drm_i915_gem_exec_object *entry)
+ struct drm_i915_gem_exec_object *entry,
+ struct drm_i915_gem_relocation_entry *relocs)
{
struct drm_device *dev = obj->dev;
drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_i915_gem_relocation_entry reloc;
- struct drm_i915_gem_relocation_entry __user *relocs;
struct drm_i915_gem_object *obj_priv = obj->driver_private;
int i, ret;
void __iomem *reloc_page;
@@ -2262,25 +2725,18 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
entry->offset = obj_priv->gtt_offset;
- relocs = (struct drm_i915_gem_relocation_entry __user *)
- (uintptr_t) entry->relocs_ptr;
/* Apply the relocations, using the GTT aperture to avoid cache
* flushing requirements.
*/
for (i = 0; i < entry->relocation_count; i++) {
+ struct drm_i915_gem_relocation_entry *reloc= &relocs[i];
struct drm_gem_object *target_obj;
struct drm_i915_gem_object *target_obj_priv;
uint32_t reloc_val, reloc_offset;
uint32_t __iomem *reloc_entry;
- ret = copy_from_user(&reloc, relocs + i, sizeof(reloc));
- if (ret != 0) {
- i915_gem_object_unpin(obj);
- return ret;
- }
-
target_obj = drm_gem_object_lookup(obj->dev, file_priv,
- reloc.target_handle);
+ reloc->target_handle);
if (target_obj == NULL) {
i915_gem_object_unpin(obj);
return -EBADF;
@@ -2292,53 +2748,53 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
*/
if (target_obj_priv->gtt_space == NULL) {
DRM_ERROR("No GTT space found for object %d\n",
- reloc.target_handle);
+ reloc->target_handle);
drm_gem_object_unreference(target_obj);
i915_gem_object_unpin(obj);
return -EINVAL;
}
- if (reloc.offset > obj->size - 4) {
+ if (reloc->offset > obj->size - 4) {
DRM_ERROR("Relocation beyond object bounds: "
"obj %p target %d offset %d size %d.\n",
- obj, reloc.target_handle,
- (int) reloc.offset, (int) obj->size);
+ obj, reloc->target_handle,
+ (int) reloc->offset, (int) obj->size);
drm_gem_object_unreference(target_obj);
i915_gem_object_unpin(obj);
return -EINVAL;
}
- if (reloc.offset & 3) {
+ if (reloc->offset & 3) {
DRM_ERROR("Relocation not 4-byte aligned: "
"obj %p target %d offset %d.\n",
- obj, reloc.target_handle,
- (int) reloc.offset);
+ obj, reloc->target_handle,
+ (int) reloc->offset);
drm_gem_object_unreference(target_obj);
i915_gem_object_unpin(obj);
return -EINVAL;
}
- if (reloc.write_domain & I915_GEM_DOMAIN_CPU ||
- reloc.read_domains & I915_GEM_DOMAIN_CPU) {
+ if (reloc->write_domain & I915_GEM_DOMAIN_CPU ||
+ reloc->read_domains & I915_GEM_DOMAIN_CPU) {
DRM_ERROR("reloc with read/write CPU domains: "
"obj %p target %d offset %d "
"read %08x write %08x",
- obj, reloc.target_handle,
- (int) reloc.offset,
- reloc.read_domains,
- reloc.write_domain);
+ obj, reloc->target_handle,
+ (int) reloc->offset,
+ reloc->read_domains,
+ reloc->write_domain);
drm_gem_object_unreference(target_obj);
i915_gem_object_unpin(obj);
return -EINVAL;
}
- if (reloc.write_domain && target_obj->pending_write_domain &&
- reloc.write_domain != target_obj->pending_write_domain) {
+ if (reloc->write_domain && target_obj->pending_write_domain &&
+ reloc->write_domain != target_obj->pending_write_domain) {
DRM_ERROR("Write domain conflict: "
"obj %p target %d offset %d "
"new %08x old %08x\n",
- obj, reloc.target_handle,
- (int) reloc.offset,
- reloc.write_domain,
+ obj, reloc->target_handle,
+ (int) reloc->offset,
+ reloc->write_domain,
target_obj->pending_write_domain);
drm_gem_object_unreference(target_obj);
i915_gem_object_unpin(obj);
@@ -2351,22 +2807,22 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
"presumed %08x delta %08x\n",
__func__,
obj,
- (int) reloc.offset,
- (int) reloc.target_handle,
- (int) reloc.read_domains,
- (int) reloc.write_domain,
+ (int) reloc->offset,
+ (int) reloc->target_handle,
+ (int) reloc->read_domains,
+ (int) reloc->write_domain,
(int) target_obj_priv->gtt_offset,
- (int) reloc.presumed_offset,
- reloc.delta);
+ (int) reloc->presumed_offset,
+ reloc->delta);
#endif
- target_obj->pending_read_domains |= reloc.read_domains;
- target_obj->pending_write_domain |= reloc.write_domain;
+ target_obj->pending_read_domains |= reloc->read_domains;
+ target_obj->pending_write_domain |= reloc->write_domain;
/* If the relocation already has the right value in it, no
* more work needs to be done.
*/
- if (target_obj_priv->gtt_offset == reloc.presumed_offset) {
+ if (target_obj_priv->gtt_offset == reloc->presumed_offset) {
drm_gem_object_unreference(target_obj);
continue;
}
@@ -2381,32 +2837,26 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
/* Map the page containing the relocation we're going to
* perform.
*/
- reloc_offset = obj_priv->gtt_offset + reloc.offset;
+ reloc_offset = obj_priv->gtt_offset + reloc->offset;
reloc_page = io_mapping_map_atomic_wc(dev_priv->mm.gtt_mapping,
(reloc_offset &
~(PAGE_SIZE - 1)));
reloc_entry = (uint32_t __iomem *)(reloc_page +
(reloc_offset & (PAGE_SIZE - 1)));
- reloc_val = target_obj_priv->gtt_offset + reloc.delta;
+ reloc_val = target_obj_priv->gtt_offset + reloc->delta;
#if WATCH_BUF
DRM_INFO("Applied relocation: %p@0x%08x %08x -> %08x\n",
- obj, (unsigned int) reloc.offset,
+ obj, (unsigned int) reloc->offset,
readl(reloc_entry), reloc_val);
#endif
writel(reloc_val, reloc_entry);
io_mapping_unmap_atomic(reloc_page);
- /* Write the updated presumed offset for this entry back out
- * to the user.
+ /* The updated presumed offset for this entry will be
+ * copied back out to the user.
*/
- reloc.presumed_offset = target_obj_priv->gtt_offset;
- ret = copy_to_user(relocs + i, &reloc, sizeof(reloc));
- if (ret != 0) {
- drm_gem_object_unreference(target_obj);
- i915_gem_object_unpin(obj);
- return ret;
- }
+ reloc->presumed_offset = target_obj_priv->gtt_offset;
drm_gem_object_unreference(target_obj);
}
@@ -2423,11 +2873,10 @@ i915_gem_object_pin_and_relocate(struct drm_gem_object *obj,
static int
i915_dispatch_gem_execbuffer(struct drm_device *dev,
struct drm_i915_gem_execbuffer *exec,
+ struct drm_clip_rect *cliprects,
uint64_t exec_offset)
{
drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_clip_rect __user *boxes = (struct drm_clip_rect __user *)
- (uintptr_t) exec->cliprects_ptr;
int nbox = exec->num_cliprects;
int i = 0, count;
uint32_t exec_start, exec_len;
@@ -2448,7 +2897,7 @@ i915_dispatch_gem_execbuffer(struct drm_device *dev,
for (i = 0; i < count; i++) {
if (i < nbox) {
- int ret = i915_emit_box(dev, boxes, i,
+ int ret = i915_emit_box(dev, cliprects, i,
exec->DR1, exec->DR4);
if (ret)
return ret;
@@ -2504,6 +2953,75 @@ i915_gem_ring_throttle(struct drm_device *dev, struct drm_file *file_priv)
return ret;
}
+static int
+i915_gem_get_relocs_from_user(struct drm_i915_gem_exec_object *exec_list,
+ uint32_t buffer_count,
+ struct drm_i915_gem_relocation_entry **relocs)
+{
+ uint32_t reloc_count = 0, reloc_index = 0, i;
+ int ret;
+
+ *relocs = NULL;
+ for (i = 0; i < buffer_count; i++) {
+ if (reloc_count + exec_list[i].relocation_count < reloc_count)
+ return -EINVAL;
+ reloc_count += exec_list[i].relocation_count;
+ }
+
+ *relocs = drm_calloc(reloc_count, sizeof(**relocs), DRM_MEM_DRIVER);
+ if (*relocs == NULL)
+ return -ENOMEM;
+
+ for (i = 0; i < buffer_count; i++) {
+ struct drm_i915_gem_relocation_entry __user *user_relocs;
+
+ user_relocs = (void __user *)(uintptr_t)exec_list[i].relocs_ptr;
+
+ ret = copy_from_user(&(*relocs)[reloc_index],
+ user_relocs,
+ exec_list[i].relocation_count *
+ sizeof(**relocs));
+ if (ret != 0) {
+ drm_free(*relocs, reloc_count * sizeof(**relocs),
+ DRM_MEM_DRIVER);
+ *relocs = NULL;
+ return ret;
+ }
+
+ reloc_index += exec_list[i].relocation_count;
+ }
+
+ return ret;
+}
+
+static int
+i915_gem_put_relocs_to_user(struct drm_i915_gem_exec_object *exec_list,
+ uint32_t buffer_count,
+ struct drm_i915_gem_relocation_entry *relocs)
+{
+ uint32_t reloc_count = 0, i;
+ int ret;
+
+ for (i = 0; i < buffer_count; i++) {
+ struct drm_i915_gem_relocation_entry __user *user_relocs;
+
+ user_relocs = (void __user *)(uintptr_t)exec_list[i].relocs_ptr;
+
+ if (ret == 0) {
+ ret = copy_to_user(user_relocs,
+ &relocs[reloc_count],
+ exec_list[i].relocation_count *
+ sizeof(*relocs));
+ }
+
+ reloc_count += exec_list[i].relocation_count;
+ }
+
+ drm_free(relocs, reloc_count * sizeof(*relocs), DRM_MEM_DRIVER);
+
+ return ret;
+}
+
int
i915_gem_execbuffer(struct drm_device *dev, void *data,
struct drm_file *file_priv)
@@ -2515,9 +3033,11 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
struct drm_gem_object **object_list = NULL;
struct drm_gem_object *batch_obj;
struct drm_i915_gem_object *obj_priv;
- int ret, i, pinned = 0;
+ struct drm_clip_rect *cliprects = NULL;
+ struct drm_i915_gem_relocation_entry *relocs;
+ int ret, ret2, i, pinned = 0;
uint64_t exec_offset;
- uint32_t seqno, flush_domains;
+ uint32_t seqno, flush_domains, reloc_index;
int pin_tries;
#if WATCH_EXEC
@@ -2551,6 +3071,28 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
goto pre_mutex_err;
}
+ if (args->num_cliprects != 0) {
+ cliprects = drm_calloc(args->num_cliprects, sizeof(*cliprects),
+ DRM_MEM_DRIVER);
+ if (cliprects == NULL)
+ goto pre_mutex_err;
+
+ ret = copy_from_user(cliprects,
+ (struct drm_clip_rect __user *)
+ (uintptr_t) args->cliprects_ptr,
+ sizeof(*cliprects) * args->num_cliprects);
+ if (ret != 0) {
+ DRM_ERROR("copy %d cliprects failed: %d\n",
+ args->num_cliprects, ret);
+ goto pre_mutex_err;
+ }
+ }
+
+ ret = i915_gem_get_relocs_from_user(exec_list, args->buffer_count,
+ &relocs);
+ if (ret != 0)
+ goto pre_mutex_err;
+
mutex_lock(&dev->struct_mutex);
i915_verify_inactive(dev, __FILE__, __LINE__);
@@ -2593,15 +3135,19 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
/* Pin and relocate */
for (pin_tries = 0; ; pin_tries++) {
ret = 0;
+ reloc_index = 0;
+
for (i = 0; i < args->buffer_count; i++) {
object_list[i]->pending_read_domains = 0;
object_list[i]->pending_write_domain = 0;
ret = i915_gem_object_pin_and_relocate(object_list[i],
file_priv,
- &exec_list[i]);
+ &exec_list[i],
+ &relocs[reloc_index]);
if (ret)
break;
pinned = i + 1;
+ reloc_index += exec_list[i].relocation_count;
}
/* success */
if (ret == 0)
@@ -2687,7 +3233,7 @@ i915_gem_execbuffer(struct drm_device *dev, void *data,
#endif
/* Exec the batchbuffer */
- ret = i915_dispatch_gem_execbuffer(dev, args, exec_offset);
+ ret = i915_dispatch_gem_execbuffer(dev, args, cliprects, exec_offset);
if (ret) {
DRM_ERROR("dispatch failed %d\n", ret);
goto err;
@@ -2751,11 +3297,27 @@ err:
args->buffer_count, ret);
}
+ /* Copy the updated relocations out regardless of current error
+ * state. Failure to update the relocs would mean that the next
+ * time userland calls execbuf, it would do so with presumed offset
+ * state that didn't match the actual object state.
+ */
+ ret2 = i915_gem_put_relocs_to_user(exec_list, args->buffer_count,
+ relocs);
+ if (ret2 != 0) {
+ DRM_ERROR("Failed to copy relocations back out: %d\n", ret2);
+
+ if (ret == 0)
+ ret = ret2;
+ }
+
pre_mutex_err:
drm_free(object_list, sizeof(*object_list) * args->buffer_count,
DRM_MEM_DRIVER);
drm_free(exec_list, sizeof(*exec_list) * args->buffer_count,
DRM_MEM_DRIVER);
+ drm_free(cliprects, sizeof(*cliprects) * args->num_cliprects,
+ DRM_MEM_DRIVER);
return ret;
}
@@ -3192,7 +3754,7 @@ i915_gem_init_hws(struct drm_device *dev)
dev_priv->status_gfx_addr = obj_priv->gtt_offset;
- dev_priv->hw_status_page = kmap(obj_priv->page_list[0]);
+ dev_priv->hw_status_page = kmap(obj_priv->pages[0]);
if (dev_priv->hw_status_page == NULL) {
DRM_ERROR("Failed to map status page.\n");
memset(&dev_priv->hws_map, 0, sizeof(dev_priv->hws_map));
@@ -3222,7 +3784,7 @@ i915_gem_cleanup_hws(struct drm_device *dev)
obj = dev_priv->hws_obj;
obj_priv = obj->driver_private;
- kunmap(obj_priv->page_list[0]);
+ kunmap(obj_priv->pages[0]);
i915_gem_object_unpin(obj);
drm_gem_object_unreference(obj);
dev_priv->hws_obj = NULL;
@@ -3525,20 +4087,20 @@ void i915_gem_detach_phys_object(struct drm_device *dev,
if (!obj_priv->phys_obj)
return;
- ret = i915_gem_object_get_page_list(obj);
+ ret = i915_gem_object_get_pages(obj);
if (ret)
goto out;
page_count = obj->size / PAGE_SIZE;
for (i = 0; i < page_count; i++) {
- char *dst = kmap_atomic(obj_priv->page_list[i], KM_USER0);
+ char *dst = kmap_atomic(obj_priv->pages[i], KM_USER0);
char *src = obj_priv->phys_obj->handle->vaddr + (i * PAGE_SIZE);
memcpy(dst, src, PAGE_SIZE);
kunmap_atomic(dst, KM_USER0);
}
- drm_clflush_pages(obj_priv->page_list, page_count);
+ drm_clflush_pages(obj_priv->pages, page_count);
drm_agp_chipset_flush(dev);
out:
obj_priv->phys_obj->cur_obj = NULL;
@@ -3581,7 +4143,7 @@ i915_gem_attach_phys_object(struct drm_device *dev,
obj_priv->phys_obj = dev_priv->mm.phys_objs[id - 1];
obj_priv->phys_obj->cur_obj = obj;
- ret = i915_gem_object_get_page_list(obj);
+ ret = i915_gem_object_get_pages(obj);
if (ret) {
DRM_ERROR("failed to get page list\n");
goto out;
@@ -3590,7 +4152,7 @@ i915_gem_attach_phys_object(struct drm_device *dev,
page_count = obj->size / PAGE_SIZE;
for (i = 0; i < page_count; i++) {
- char *src = kmap_atomic(obj_priv->page_list[i], KM_USER0);
+ char *src = kmap_atomic(obj_priv->pages[i], KM_USER0);
char *dst = obj_priv->phys_obj->handle->vaddr + (i * PAGE_SIZE);
memcpy(dst, src, PAGE_SIZE);
diff --git a/drivers/gpu/drm/i915/i915_gem_debugfs.c b/drivers/gpu/drm/i915/i915_gem_debugfs.c
new file mode 100644
index 00000000000..455ec970b38
--- /dev/null
+++ b/drivers/gpu/drm/i915/i915_gem_debugfs.c
@@ -0,0 +1,257 @@
+/*
+ * Copyright © 2008 Intel Corporation
+ *
+ * Permission is hereby granted, free of charge, to any person obtaining a
+ * copy of this software and associated documentation files (the "Software"),
+ * to deal in the Software without restriction, including without limitation
+ * the rights to use, copy, modify, merge, publish, distribute, sublicense,
+ * and/or sell copies of the Software, and to permit persons to whom the
+ * Software is furnished to do so, subject to the following conditions:
+ *
+ * The above copyright notice and this permission notice (including the next
+ * paragraph) shall be included in all copies or substantial portions of the
+ * Software.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
+ * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
+ * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
+ * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
+ * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
+ * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
+ * IN THE SOFTWARE.
+ *
+ * Authors:
+ * Eric Anholt <eric@anholt.net>
+ * Keith Packard <keithp@keithp.com>
+ *
+ */
+
+#include <linux/seq_file.h>
+#include "drmP.h"
+#include "drm.h"
+#include "i915_drm.h"
+#include "i915_drv.h"
+
+#define DRM_I915_RING_DEBUG 1
+
+
+#if defined(CONFIG_DEBUG_FS)
+
+#define ACTIVE_LIST 1
+#define FLUSHING_LIST 2
+#define INACTIVE_LIST 3
+
+static const char *get_pin_flag(struct drm_i915_gem_object *obj_priv)
+{
+ if (obj_priv->user_pin_count > 0)
+ return "P";
+ else if (obj_priv->pin_count > 0)
+ return "p";
+ else
+ return " ";
+}
+
+static const char *get_tiling_flag(struct drm_i915_gem_object *obj_priv)
+{
+ switch (obj_priv->tiling_mode) {
+ default:
+ case I915_TILING_NONE: return " ";
+ case I915_TILING_X: return "X";
+ case I915_TILING_Y: return "Y";
+ }
+}
+
+static int i915_gem_object_list_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ uintptr_t list = (uintptr_t) node->info_ent->data;
+ struct list_head *head;
+ struct drm_device *dev = node->minor->dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_gem_object *obj_priv;
+
+ switch (list) {
+ case ACTIVE_LIST:
+ seq_printf(m, "Active:\n");
+ head = &dev_priv->mm.active_list;
+ break;
+ case INACTIVE_LIST:
+ seq_printf(m, "Inctive:\n");
+ head = &dev_priv->mm.inactive_list;
+ break;
+ case FLUSHING_LIST:
+ seq_printf(m, "Flushing:\n");
+ head = &dev_priv->mm.flushing_list;
+ break;
+ default:
+ DRM_INFO("Ooops, unexpected list\n");
+ return 0;
+ }
+
+ list_for_each_entry(obj_priv, head, list)
+ {
+ struct drm_gem_object *obj = obj_priv->obj;
+
+ seq_printf(m, " %p: %s %08x %08x %d",
+ obj,
+ get_pin_flag(obj_priv),
+ obj->read_domains, obj->write_domain,
+ obj_priv->last_rendering_seqno);
+
+ if (obj->name)
+ seq_printf(m, " (name: %d)", obj->name);
+ if (obj_priv->fence_reg != I915_FENCE_REG_NONE)
+ seq_printf(m, " (fence: %d\n", obj_priv->fence_reg);
+ seq_printf(m, "\n");
+ }
+ return 0;
+}
+
+static int i915_gem_request_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ struct drm_i915_gem_request *gem_request;
+
+ seq_printf(m, "Request:\n");
+ list_for_each_entry(gem_request, &dev_priv->mm.request_list, list) {
+ seq_printf(m, " %d @ %d\n",
+ gem_request->seqno,
+ (int) (jiffies - gem_request->emitted_jiffies));
+ }
+ return 0;
+}
+
+static int i915_gem_seqno_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+
+ if (dev_priv->hw_status_page != NULL) {
+ seq_printf(m, "Current sequence: %d\n",
+ i915_get_gem_seqno(dev));
+ } else {
+ seq_printf(m, "Current sequence: hws uninitialized\n");
+ }
+ seq_printf(m, "Waiter sequence: %d\n",
+ dev_priv->mm.waiting_gem_seqno);
+ seq_printf(m, "IRQ sequence: %d\n", dev_priv->mm.irq_gem_seqno);
+ return 0;
+}
+
+
+static int i915_interrupt_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+
+ seq_printf(m, "Interrupt enable: %08x\n",
+ I915_READ(IER));
+ seq_printf(m, "Interrupt identity: %08x\n",
+ I915_READ(IIR));
+ seq_printf(m, "Interrupt mask: %08x\n",
+ I915_READ(IMR));
+ seq_printf(m, "Pipe A stat: %08x\n",
+ I915_READ(PIPEASTAT));
+ seq_printf(m, "Pipe B stat: %08x\n",
+ I915_READ(PIPEBSTAT));
+ seq_printf(m, "Interrupts received: %d\n",
+ atomic_read(&dev_priv->irq_received));
+ if (dev_priv->hw_status_page != NULL) {
+ seq_printf(m, "Current sequence: %d\n",
+ i915_get_gem_seqno(dev));
+ } else {
+ seq_printf(m, "Current sequence: hws uninitialized\n");
+ }
+ seq_printf(m, "Waiter sequence: %d\n",
+ dev_priv->mm.waiting_gem_seqno);
+ seq_printf(m, "IRQ sequence: %d\n",
+ dev_priv->mm.irq_gem_seqno);
+ return 0;
+}
+
+static int i915_gem_fence_regs_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ int i;
+
+ seq_printf(m, "Reserved fences = %d\n", dev_priv->fence_reg_start);
+ seq_printf(m, "Total fences = %d\n", dev_priv->num_fence_regs);
+ for (i = 0; i < dev_priv->num_fence_regs; i++) {
+ struct drm_gem_object *obj = dev_priv->fence_regs[i].obj;
+
+ if (obj == NULL) {
+ seq_printf(m, "Fenced object[%2d] = unused\n", i);
+ } else {
+ struct drm_i915_gem_object *obj_priv;
+
+ obj_priv = obj->driver_private;
+ seq_printf(m, "Fenced object[%2d] = %p: %s "
+ "%08x %08zx %08x %s %08x %08x %d",
+ i, obj, get_pin_flag(obj_priv),
+ obj_priv->gtt_offset,
+ obj->size, obj_priv->stride,
+ get_tiling_flag(obj_priv),
+ obj->read_domains, obj->write_domain,
+ obj_priv->last_rendering_seqno);
+ if (obj->name)
+ seq_printf(m, " (name: %d)", obj->name);
+ seq_printf(m, "\n");
+ }
+ }
+
+ return 0;
+}
+
+static int i915_hws_info(struct seq_file *m, void *data)
+{
+ struct drm_info_node *node = (struct drm_info_node *) m->private;
+ struct drm_device *dev = node->minor->dev;
+ drm_i915_private_t *dev_priv = dev->dev_private;
+ int i;
+ volatile u32 *hws;
+
+ hws = (volatile u32 *)dev_priv->hw_status_page;
+ if (hws == NULL)
+ return 0;
+
+ for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) {
+ seq_printf(m, "0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
+ i * 4,
+ hws[i], hws[i + 1], hws[i + 2], hws[i + 3]);
+ }
+ return 0;
+}
+
+static struct drm_info_list i915_gem_debugfs_list[] = {
+ {"i915_gem_active", i915_gem_object_list_info, 0, (void *) ACTIVE_LIST},
+ {"i915_gem_flushing", i915_gem_object_list_info, 0, (void *) FLUSHING_LIST},
+ {"i915_gem_inactive", i915_gem_object_list_info, 0, (void *) INACTIVE_LIST},
+ {"i915_gem_request", i915_gem_request_info, 0},
+ {"i915_gem_seqno", i915_gem_seqno_info, 0},
+ {"i915_gem_fence_regs", i915_gem_fence_regs_info, 0},
+ {"i915_gem_interrupt", i915_interrupt_info, 0},
+ {"i915_gem_hws", i915_hws_info, 0},
+};
+#define I915_GEM_DEBUGFS_ENTRIES ARRAY_SIZE(i915_gem_debugfs_list)
+
+int i915_gem_debugfs_init(struct drm_minor *minor)
+{
+ return drm_debugfs_create_files(i915_gem_debugfs_list,
+ I915_GEM_DEBUGFS_ENTRIES,
+ minor->debugfs_root, minor);
+}
+
+void i915_gem_debugfs_cleanup(struct drm_minor *minor)
+{
+ drm_debugfs_remove_files(i915_gem_debugfs_list,
+ I915_GEM_DEBUGFS_ENTRIES, minor);
+}
+
+#endif /* CONFIG_DEBUG_FS */
+
diff --git a/drivers/gpu/drm/i915/i915_gem_proc.c b/drivers/gpu/drm/i915/i915_gem_proc.c
deleted file mode 100644
index 4d1b9de0cd8..00000000000
--- a/drivers/gpu/drm/i915/i915_gem_proc.c
+++ /dev/null
@@ -1,334 +0,0 @@
-/*
- * Copyright © 2008 Intel Corporation
- *
- * Permission is hereby granted, free of charge, to any person obtaining a
- * copy of this software and associated documentation files (the "Software"),
- * to deal in the Software without restriction, including without limitation
- * the rights to use, copy, modify, merge, publish, distribute, sublicense,
- * and/or sell copies of the Software, and to permit persons to whom the
- * Software is furnished to do so, subject to the following conditions:
- *
- * The above copyright notice and this permission notice (including the next
- * paragraph) shall be included in all copies or substantial portions of the
- * Software.
- *
- * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
- * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
- * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
- * THE AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
- * LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING
- * FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS
- * IN THE SOFTWARE.
- *
- * Authors:
- * Eric Anholt <eric@anholt.net>
- * Keith Packard <keithp@keithp.com>
- *
- */
-
-#include "drmP.h"
-#include "drm.h"
-#include "i915_drm.h"
-#include "i915_drv.h"
-
-static int i915_gem_active_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_i915_gem_object *obj_priv;
- int len = 0;
-
- if (offset > DRM_PROC_LIMIT) {
- *eof = 1;
- return 0;
- }
-
- *start = &buf[offset];
- *eof = 0;
- DRM_PROC_PRINT("Active:\n");
- list_for_each_entry(obj_priv, &dev_priv->mm.active_list,
- list)
- {
- struct drm_gem_object *obj = obj_priv->obj;
- if (obj->name) {
- DRM_PROC_PRINT(" %p(%d): %08x %08x %d\n",
- obj, obj->name,
- obj->read_domains, obj->write_domain,
- obj_priv->last_rendering_seqno);
- } else {
- DRM_PROC_PRINT(" %p: %08x %08x %d\n",
- obj,
- obj->read_domains, obj->write_domain,
- obj_priv->last_rendering_seqno);
- }
- }
- if (len > request + offset)
- return request;
- *eof = 1;
- return len - offset;
-}
-
-static int i915_gem_flushing_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_i915_gem_object *obj_priv;
- int len = 0;
-
- if (offset > DRM_PROC_LIMIT) {
- *eof = 1;
- return 0;
- }
-
- *start = &buf[offset];
- *eof = 0;
- DRM_PROC_PRINT("Flushing:\n");
- list_for_each_entry(obj_priv, &dev_priv->mm.flushing_list,
- list)
- {
- struct drm_gem_object *obj = obj_priv->obj;
- if (obj->name) {
- DRM_PROC_PRINT(" %p(%d): %08x %08x %d\n",
- obj, obj->name,
- obj->read_domains, obj->write_domain,
- obj_priv->last_rendering_seqno);
- } else {
- DRM_PROC_PRINT(" %p: %08x %08x %d\n", obj,
- obj->read_domains, obj->write_domain,
- obj_priv->last_rendering_seqno);
- }
- }
- if (len > request + offset)
- return request;
- *eof = 1;
- return len - offset;
-}
-
-static int i915_gem_inactive_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_i915_gem_object *obj_priv;
- int len = 0;
-
- if (offset > DRM_PROC_LIMIT) {
- *eof = 1;
- return 0;
- }
-
- *start = &buf[offset];
- *eof = 0;
- DRM_PROC_PRINT("Inactive:\n");
- list_for_each_entry(obj_priv, &dev_priv->mm.inactive_list,
- list)
- {
- struct drm_gem_object *obj = obj_priv->obj;
- if (obj->name) {
- DRM_PROC_PRINT(" %p(%d): %08x %08x %d\n",
- obj, obj->name,
- obj->read_domains, obj->write_domain,
- obj_priv->last_rendering_seqno);
- } else {
- DRM_PROC_PRINT(" %p: %08x %08x %d\n", obj,
- obj->read_domains, obj->write_domain,
- obj_priv->last_rendering_seqno);
- }
- }
- if (len > request + offset)
- return request;
- *eof = 1;
- return len - offset;
-}
-
-static int i915_gem_request_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
- struct drm_i915_gem_request *gem_request;
- int len = 0;
-
- if (offset > DRM_PROC_LIMIT) {
- *eof = 1;
- return 0;
- }
-
- *start = &buf[offset];
- *eof = 0;
- DRM_PROC_PRINT("Request:\n");
- list_for_each_entry(gem_request, &dev_priv->mm.request_list,
- list)
- {
- DRM_PROC_PRINT(" %d @ %d\n",
- gem_request->seqno,
- (int) (jiffies - gem_request->emitted_jiffies));
- }
- if (len > request + offset)
- return request;
- *eof = 1;
- return len - offset;
-}
-
-static int i915_gem_seqno_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
- int len = 0;
-
- if (offset > DRM_PROC_LIMIT) {
- *eof = 1;
- return 0;
- }
-
- *start = &buf[offset];
- *eof = 0;
- if (dev_priv->hw_status_page != NULL) {
- DRM_PROC_PRINT("Current sequence: %d\n",
- i915_get_gem_seqno(dev));
- } else {
- DRM_PROC_PRINT("Current sequence: hws uninitialized\n");
- }
- DRM_PROC_PRINT("Waiter sequence: %d\n",
- dev_priv->mm.waiting_gem_seqno);
- DRM_PROC_PRINT("IRQ sequence: %d\n", dev_priv->mm.irq_gem_seqno);
- if (len > request + offset)
- return request;
- *eof = 1;
- return len - offset;
-}
-
-
-static int i915_interrupt_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
- int len = 0;
-
- if (offset > DRM_PROC_LIMIT) {
- *eof = 1;
- return 0;
- }
-
- *start = &buf[offset];
- *eof = 0;
- DRM_PROC_PRINT("Interrupt enable: %08x\n",
- I915_READ(IER));
- DRM_PROC_PRINT("Interrupt identity: %08x\n",
- I915_READ(IIR));
- DRM_PROC_PRINT("Interrupt mask: %08x\n",
- I915_READ(IMR));
- DRM_PROC_PRINT("Pipe A stat: %08x\n",
- I915_READ(PIPEASTAT));
- DRM_PROC_PRINT("Pipe B stat: %08x\n",
- I915_READ(PIPEBSTAT));
- DRM_PROC_PRINT("Interrupts received: %d\n",
- atomic_read(&dev_priv->irq_received));
- if (dev_priv->hw_status_page != NULL) {
- DRM_PROC_PRINT("Current sequence: %d\n",
- i915_get_gem_seqno(dev));
- } else {
- DRM_PROC_PRINT("Current sequence: hws uninitialized\n");
- }
- DRM_PROC_PRINT("Waiter sequence: %d\n",
- dev_priv->mm.waiting_gem_seqno);
- DRM_PROC_PRINT("IRQ sequence: %d\n",
- dev_priv->mm.irq_gem_seqno);
- if (len > request + offset)
- return request;
- *eof = 1;
- return len - offset;
-}
-
-static int i915_hws_info(char *buf, char **start, off_t offset,
- int request, int *eof, void *data)
-{
- struct drm_minor *minor = (struct drm_minor *) data;
- struct drm_device *dev = minor->dev;
- drm_i915_private_t *dev_priv = dev->dev_private;
- int len = 0, i;
- volatile u32 *hws;
-
- if (offset > DRM_PROC_LIMIT) {
- *eof = 1;
- return 0;
- }
-
- hws = (volatile u32 *)dev_priv->hw_status_page;
- if (hws == NULL) {
- *eof = 1;
- return 0;
- }
-
- *start = &buf[offset];
- *eof = 0;
- for (i = 0; i < 4096 / sizeof(u32) / 4; i += 4) {
- DRM_PROC_PRINT("0x%08x: 0x%08x 0x%08x 0x%08x 0x%08x\n",
- i * 4,
- hws[i], hws[i + 1], hws[i + 2], hws[i + 3]);
- }
- if (len > request + offset)
- return request;
- *eof = 1;
- return len - offset;
-}
-
-static struct drm_proc_list {
- /** file name */
- const char *name;
- /** proc callback*/
- int (*f) (char *, char **, off_t, int, int *, void *);
-} i915_gem_proc_list[] = {
- {"i915_gem_active", i915_gem_active_info},
- {"i915_gem_flushing", i915_gem_flushing_info},
- {"i915_gem_inactive", i915_gem_inactive_info},
- {"i915_gem_request", i915_gem_request_info},
- {"i915_gem_seqno", i915_gem_seqno_info},
- {"i915_gem_interrupt", i915_interrupt_info},
- {"i915_gem_hws", i915_hws_info},
-};
-
-#define I915_GEM_PROC_ENTRIES ARRAY_SIZE(i915_gem_proc_list)
-
-int i915_gem_proc_init(struct drm_minor *minor)
-{
- struct proc_dir_entry *ent;
- int i, j;
-
- for (i = 0; i < I915_GEM_PROC_ENTRIES; i++) {
- ent = create_proc_entry(i915_gem_proc_list[i].name,
- S_IFREG | S_IRUGO, minor->dev_root);
- if (!ent) {
- DRM_ERROR("Cannot create /proc/dri/.../%s\n",
- i915_gem_proc_list[i].name);
- for (j = 0; j < i; j++)
- remove_proc_entry(i915_gem_proc_list[i].name,
- minor->dev_root);
- return -1;
- }
- ent->read_proc = i915_gem_proc_list[i].f;
- ent->data = minor;
- }
- return 0;
-}
-
-void i915_gem_proc_cleanup(struct drm_minor *minor)
-{
- int i;
-
- if (!minor->dev_root)
- return;
-
- for (i = 0; i < I915_GEM_PROC_ENTRIES; i++)
- remove_proc_entry(i915_gem_proc_list[i].name, minor->dev_root);
-}
diff --git a/drivers/gpu/drm/i915/i915_gem_tiling.c b/drivers/gpu/drm/i915/i915_gem_tiling.c
index 7fb4191ef93..4cce1aef438 100644
--- a/drivers/gpu/drm/i915/i915_gem_tiling.c
+++ b/drivers/gpu/drm/i915/i915_gem_tiling.c
@@ -96,16 +96,16 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
*/
swizzle_x = I915_BIT_6_SWIZZLE_NONE;
swizzle_y = I915_BIT_6_SWIZZLE_NONE;
- } else if ((!IS_I965G(dev) && !IS_G33(dev)) || IS_I965GM(dev) ||
- IS_GM45(dev)) {
+ } else if (IS_MOBILE(dev)) {
uint32_t dcc;
- /* On 915-945 and GM965, channel interleave by the CPU is
- * determined by DCC. The CPU will alternate based on bit 6
- * in interleaved mode, and the GPU will then also alternate
- * on bit 6, 9, and 10 for X, but the CPU may also optionally
- * alternate based on bit 17 (XOR not disabled and XOR
- * bit == 17).
+ /* On mobile 9xx chipsets, channel interleave by the CPU is
+ * determined by DCC. For single-channel, neither the CPU
+ * nor the GPU do swizzling. For dual channel interleaved,
+ * the GPU's interleave is bit 9 and 10 for X tiled, and bit
+ * 9 for Y tiled. The CPU's interleave is independent, and
+ * can be based on either bit 11 (haven't seen this yet) or
+ * bit 17 (common).
*/
dcc = I915_READ(DCC);
switch (dcc & DCC_ADDRESSING_MODE_MASK) {
@@ -115,19 +115,18 @@ i915_gem_detect_bit_6_swizzle(struct drm_device *dev)
swizzle_y = I915_BIT_6_SWIZZLE_NONE;
break;
case DCC_ADDRESSING_MODE_DUAL_CHANNEL_INTERLEAVED:
- if (IS_I915G(dev) || IS_I915GM(dev) ||
- dcc & DCC_CHANNEL_XOR_DISABLE) {
+ if (dcc & DCC_CHANNEL_XOR_DISABLE) {
+ /* This is the base swizzling by the GPU for
+ * tiled buffers.
+ */
swizzle_x = I915_BIT_6_SWIZZLE_9_10;
swizzle_y = I915_BIT_6_SWIZZLE_9;
- } else if ((IS_I965GM(dev) || IS_GM45(dev)) &&
- (dcc & DCC_CHANNEL_XOR_BIT_17) == 0) {
- /* GM965/GM45 does either bit 11 or bit 17
- * swizzling.
- */
+ } else if ((dcc & DCC_CHANNEL_XOR_BIT_17) == 0) {
+ /* Bit 11 swizzling by the CPU in addition. */
swizzle_x = I915_BIT_6_SWIZZLE_9_10_11;
swizzle_y = I915_BIT_6_SWIZZLE_9_11;
} else {
- /* Bit 17 or perhaps other swizzling */
+ /* Bit 17 swizzling by the CPU in addition. */
swizzle_x = I915_BIT_6_SWIZZLE_UNKNOWN;
swizzle_y = I915_BIT_6_SWIZZLE_UNKNOWN;
}
diff --git a/drivers/gpu/drm/i915/i915_reg.h b/drivers/gpu/drm/i915/i915_reg.h
index 90600d89941..377cc588f5e 100644
--- a/drivers/gpu/drm/i915/i915_reg.h
+++ b/drivers/gpu/drm/i915/i915_reg.h
@@ -359,6 +359,7 @@
#define DPLLB_LVDS_P2_CLOCK_DIV_7 (1 << 24) /* i915 */
#define DPLL_P2_CLOCK_DIV_MASK 0x03000000 /* i915 */
#define DPLL_FPA01_P1_POST_DIV_MASK 0x00ff0000 /* i915 */
+#define DPLL_FPA01_P1_POST_DIV_MASK_IGD 0x00ff8000 /* IGD */
#define I915_FIFO_UNDERRUN_STATUS (1UL<<31)
#define I915_CRC_ERROR_ENABLE (1UL<<29)
@@ -435,6 +436,7 @@
*/
#define DPLL_FPA01_P1_POST_DIV_MASK_I830_LVDS 0x003f0000
#define DPLL_FPA01_P1_POST_DIV_SHIFT 16
+#define DPLL_FPA01_P1_POST_DIV_SHIFT_IGD 15
/* i830, required in DVO non-gang */
#define PLL_P2_DIVIDE_BY_4 (1 << 23)
#define PLL_P1_DIVIDE_BY_TWO (1 << 21) /* i830 */
@@ -501,10 +503,12 @@
#define FPB0 0x06048
#define FPB1 0x0604c
#define FP_N_DIV_MASK 0x003f0000
+#define FP_N_IGD_DIV_MASK 0x00ff0000
#define FP_N_DIV_SHIFT 16
#define FP_M1_DIV_MASK 0x00003f00
#define FP_M1_DIV_SHIFT 8
#define FP_M2_DIV_MASK 0x0000003f
+#define FP_M2_IGD_DIV_MASK 0x000000ff
#define FP_M2_DIV_SHIFT 0
#define DPLL_TEST 0x606c
#define DPLLB_TEST_SDVO_DIV_1 (0 << 22)
@@ -629,6 +633,22 @@
#define TV_HOTPLUG_INT_EN (1 << 18)
#define CRT_HOTPLUG_INT_EN (1 << 9)
#define CRT_HOTPLUG_FORCE_DETECT (1 << 3)
+#define CRT_HOTPLUG_ACTIVATION_PERIOD_32 (0 << 8)
+/* must use period 64 on GM45 according to docs */
+#define CRT_HOTPLUG_ACTIVATION_PERIOD_64 (1 << 8)
+#define CRT_HOTPLUG_DAC_ON_TIME_2M (0 << 7)
+#define CRT_HOTPLUG_DAC_ON_TIME_4M (1 << 7)
+#define CRT_HOTPLUG_VOLTAGE_COMPARE_40 (0 << 5)
+#define CRT_HOTPLUG_VOLTAGE_COMPARE_50 (1 << 5)
+#define CRT_HOTPLUG_VOLTAGE_COMPARE_60 (2 << 5)
+#define CRT_HOTPLUG_VOLTAGE_COMPARE_70 (3 << 5)
+#define CRT_HOTPLUG_VOLTAGE_COMPARE_MASK (3 << 5)
+#define CRT_HOTPLUG_DETECT_DELAY_1G (0 << 4)
+#define CRT_HOTPLUG_DETECT_DELAY_2G (1 << 4)
+#define CRT_HOTPLUG_DETECT_VOLTAGE_325MV (0 << 2)
+#define CRT_HOTPLUG_DETECT_VOLTAGE_475MV (1 << 2)
+#define CRT_HOTPLUG_MASK (0x3fc) /* Bits 9-2 */
+
#define PORT_HOTPLUG_STAT 0x61114
#define HDMIB_HOTPLUG_INT_STATUS (1 << 29)
@@ -856,7 +876,7 @@
*/
# define TV_ENC_C0_FIX (1 << 10)
/** Bits that must be preserved by software */
-# define TV_CTL_SAVE ((3 << 8) | (3 << 6))
+# define TV_CTL_SAVE ((1 << 11) | (3 << 9) | (7 << 6) | 0xf)
# define TV_FUSE_STATE_MASK (3 << 4)
/** Read-only state that reports all features enabled */
# define TV_FUSE_STATE_ENABLED (0 << 4)
diff --git a/drivers/gpu/drm/i915/intel_bios.h b/drivers/gpu/drm/i915/intel_bios.h
index 5ea715ace3a..de621aad85b 100644
--- a/drivers/gpu/drm/i915/intel_bios.h
+++ b/drivers/gpu/drm/i915/intel_bios.h
@@ -162,13 +162,13 @@ struct bdb_lvds_options {
u8 panel_type;
u8 rsvd1;
/* LVDS capabilities, stored in a dword */
- u8 rsvd2:1;
- u8 lvds_edid:1;
- u8 pixel_dither:1;
- u8 pfit_ratio_auto:1;
- u8 pfit_gfx_mode_enhanced:1;
- u8 pfit_text_mode_enhanced:1;
u8 pfit_mode:2;
+ u8 pfit_text_mode_enhanced:1;
+ u8 pfit_gfx_mode_enhanced:1;
+ u8 pfit_ratio_auto:1;
+ u8 pixel_dither:1;
+ u8 lvds_edid:1;
+ u8 rsvd2:1;
u8 rsvd4;
} __attribute__((packed));
diff --git a/drivers/gpu/drm/i915/intel_crt.c b/drivers/gpu/drm/i915/intel_crt.c
index dcaed3466e8..2b6d44381c3 100644
--- a/drivers/gpu/drm/i915/intel_crt.c
+++ b/drivers/gpu/drm/i915/intel_crt.c
@@ -64,11 +64,21 @@ static void intel_crt_dpms(struct drm_encoder *encoder, int mode)
static int intel_crt_mode_valid(struct drm_connector *connector,
struct drm_display_mode *mode)
{
+ struct drm_device *dev = connector->dev;
+
+ int max_clock = 0;
if (mode->flags & DRM_MODE_FLAG_DBLSCAN)
return MODE_NO_DBLESCAN;
- if (mode->clock > 400000 || mode->clock < 25000)
- return MODE_CLOCK_RANGE;
+ if (mode->clock < 25000)
+ return MODE_CLOCK_LOW;
+
+ if (!IS_I9XX(dev))
+ max_clock = 350000;
+ else
+ max_clock = 400000;
+ if (mode->clock > max_clock)
+ return MODE_CLOCK_HIGH;
return MODE_OK;
}
@@ -113,10 +123,13 @@ static void intel_crt_mode_set(struct drm_encoder *encoder,
if (adjusted_mode->flags & DRM_MODE_FLAG_PVSYNC)
adpa |= ADPA_VSYNC_ACTIVE_HIGH;
- if (intel_crtc->pipe == 0)
+ if (intel_crtc->pipe == 0) {
adpa |= ADPA_PIPE_A_SELECT;
- else
+ I915_WRITE(BCLRPAT_A, 0);
+ } else {
adpa |= ADPA_PIPE_B_SELECT;
+ I915_WRITE(BCLRPAT_B, 0);
+ }
I915_WRITE(ADPA, adpa);
}
@@ -133,20 +146,39 @@ static bool intel_crt_detect_hotplug(struct drm_connector *connector)
{
struct drm_device *dev = connector->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
- u32 temp;
-
- unsigned long timeout = jiffies + msecs_to_jiffies(1000);
-
- temp = I915_READ(PORT_HOTPLUG_EN);
-
- I915_WRITE(PORT_HOTPLUG_EN,
- temp | CRT_HOTPLUG_FORCE_DETECT | (1 << 5));
+ u32 hotplug_en;
+ int i, tries = 0;
+ /*
+ * On 4 series desktop, CRT detect sequence need to be done twice
+ * to get a reliable result.
+ */
- do {
- if (!(I915_READ(PORT_HOTPLUG_EN) & CRT_HOTPLUG_FORCE_DETECT))
- break;
- msleep(1);
- } while (time_after(timeout, jiffies));
+ if (IS_G4X(dev) && !IS_GM45(dev))
+ tries = 2;
+ else
+ tries = 1;
+ hotplug_en = I915_READ(PORT_HOTPLUG_EN);
+ hotplug_en &= ~(CRT_HOTPLUG_MASK);
+ hotplug_en |= CRT_HOTPLUG_FORCE_DETECT;
+
+ if (IS_GM45(dev))
+ hotplug_en |= CRT_HOTPLUG_ACTIVATION_PERIOD_64;
+
+ hotplug_en |= CRT_HOTPLUG_VOLTAGE_COMPARE_50;
+
+ for (i = 0; i < tries ; i++) {
+ unsigned long timeout;
+ /* turn on the FORCE_DETECT */
+ I915_WRITE(PORT_HOTPLUG_EN, hotplug_en);
+ timeout = jiffies + msecs_to_jiffies(1000);
+ /* wait for FORCE_DETECT to go off */
+ do {
+ if (!(I915_READ(PORT_HOTPLUG_EN) &
+ CRT_HOTPLUG_FORCE_DETECT))
+ break;
+ msleep(1);
+ } while (time_after(timeout, jiffies));
+ }
if ((I915_READ(PORT_HOTPLUG_STAT) & CRT_HOTPLUG_MONITOR_MASK) ==
CRT_HOTPLUG_MONITOR_COLOR)
diff --git a/drivers/gpu/drm/i915/intel_display.c b/drivers/gpu/drm/i915/intel_display.c
index a2834276cb3..d9c50ff94d7 100644
--- a/drivers/gpu/drm/i915/intel_display.c
+++ b/drivers/gpu/drm/i915/intel_display.c
@@ -56,11 +56,13 @@ typedef struct {
} intel_p2_t;
#define INTEL_P2_NUM 2
-
-typedef struct {
+typedef struct intel_limit intel_limit_t;
+struct intel_limit {
intel_range_t dot, vco, n, m, m1, m2, p, p1;
intel_p2_t p2;
-} intel_limit_t;
+ bool (* find_pll)(const intel_limit_t *, struct drm_crtc *,
+ int, int, intel_clock_t *);
+};
#define I8XX_DOT_MIN 25000
#define I8XX_DOT_MAX 350000
@@ -90,18 +92,32 @@ typedef struct {
#define I9XX_DOT_MAX 400000
#define I9XX_VCO_MIN 1400000
#define I9XX_VCO_MAX 2800000
+#define IGD_VCO_MIN 1700000
+#define IGD_VCO_MAX 3500000
#define I9XX_N_MIN 1
#define I9XX_N_MAX 6
+/* IGD's Ncounter is a ring counter */
+#define IGD_N_MIN 3
+#define IGD_N_MAX 6
#define I9XX_M_MIN 70
#define I9XX_M_MAX 120
+#define IGD_M_MIN 2
+#define IGD_M_MAX 256
#define I9XX_M1_MIN 10
#define I9XX_M1_MAX 22
#define I9XX_M2_MIN 5
#define I9XX_M2_MAX 9
+/* IGD M1 is reserved, and must be 0 */
+#define IGD_M1_MIN 0
+#define IGD_M1_MAX 0
+#define IGD_M2_MIN 0
+#define IGD_M2_MAX 254
#define I9XX_P_SDVO_DAC_MIN 5
#define I9XX_P_SDVO_DAC_MAX 80
#define I9XX_P_LVDS_MIN 7
#define I9XX_P_LVDS_MAX 98
+#define IGD_P_LVDS_MIN 7
+#define IGD_P_LVDS_MAX 112
#define I9XX_P1_MIN 1
#define I9XX_P1_MAX 8
#define I9XX_P2_SDVO_DAC_SLOW 10
@@ -115,6 +131,97 @@ typedef struct {
#define INTEL_LIMIT_I8XX_LVDS 1
#define INTEL_LIMIT_I9XX_SDVO_DAC 2
#define INTEL_LIMIT_I9XX_LVDS 3
+#define INTEL_LIMIT_G4X_SDVO 4
+#define INTEL_LIMIT_G4X_HDMI_DAC 5
+#define INTEL_LIMIT_G4X_SINGLE_CHANNEL_LVDS 6
+#define INTEL_LIMIT_G4X_DUAL_CHANNEL_LVDS 7
+#define INTEL_LIMIT_IGD_SDVO_DAC 8
+#define INTEL_LIMIT_IGD_LVDS 9
+
+/*The parameter is for SDVO on G4x platform*/
+#define G4X_DOT_SDVO_MIN 25000
+#define G4X_DOT_SDVO_MAX 270000
+#define G4X_VCO_MIN 1750000
+#define G4X_VCO_MAX 3500000
+#define G4X_N_SDVO_MIN 1
+#define G4X_N_SDVO_MAX 4
+#define G4X_M_SDVO_MIN 104
+#define G4X_M_SDVO_MAX 138
+#define G4X_M1_SDVO_MIN 17
+#define G4X_M1_SDVO_MAX 23
+#define G4X_M2_SDVO_MIN 5
+#define G4X_M2_SDVO_MAX 11
+#define G4X_P_SDVO_MIN 10
+#define G4X_P_SDVO_MAX 30
+#define G4X_P1_SDVO_MIN 1
+#define G4X_P1_SDVO_MAX 3
+#define G4X_P2_SDVO_SLOW 10
+#define G4X_P2_SDVO_FAST 10
+#define G4X_P2_SDVO_LIMIT 270000
+
+/*The parameter is for HDMI_DAC on G4x platform*/
+#define G4X_DOT_HDMI_DAC_MIN 22000
+#define G4X_DOT_HDMI_DAC_MAX 400000
+#define G4X_N_HDMI_DAC_MIN 1
+#define G4X_N_HDMI_DAC_MAX 4
+#define G4X_M_HDMI_DAC_MIN 104
+#define G4X_M_HDMI_DAC_MAX 138
+#define G4X_M1_HDMI_DAC_MIN 16
+#define G4X_M1_HDMI_DAC_MAX 23
+#define G4X_M2_HDMI_DAC_MIN 5
+#define G4X_M2_HDMI_DAC_MAX 11
+#define G4X_P_HDMI_DAC_MIN 5
+#define G4X_P_HDMI_DAC_MAX 80
+#define G4X_P1_HDMI_DAC_MIN 1
+#define G4X_P1_HDMI_DAC_MAX 8
+#define G4X_P2_HDMI_DAC_SLOW 10
+#define G4X_P2_HDMI_DAC_FAST 5
+#define G4X_P2_HDMI_DAC_LIMIT 165000
+
+/*The parameter is for SINGLE_CHANNEL_LVDS on G4x platform*/
+#define G4X_DOT_SINGLE_CHANNEL_LVDS_MIN 20000
+#define G4X_DOT_SINGLE_CHANNEL_LVDS_MAX 115000
+#define G4X_N_SINGLE_CHANNEL_LVDS_MIN 1
+#define G4X_N_SINGLE_CHANNEL_LVDS_MAX 3
+#define G4X_M_SINGLE_CHANNEL_LVDS_MIN 104
+#define G4X_M_SINGLE_CHANNEL_LVDS_MAX 138
+#define G4X_M1_SINGLE_CHANNEL_LVDS_MIN 17
+#define G4X_M1_SINGLE_CHANNEL_LVDS_MAX 23
+#define G4X_M2_SINGLE_CHANNEL_LVDS_MIN 5
+#define G4X_M2_SINGLE_CHANNEL_LVDS_MAX 11
+#define G4X_P_SINGLE_CHANNEL_LVDS_MIN 28
+#define G4X_P_SINGLE_CHANNEL_LVDS_MAX 112
+#define G4X_P1_SINGLE_CHANNEL_LVDS_MIN 2
+#define G4X_P1_SINGLE_CHANNEL_LVDS_MAX 8
+#define G4X_P2_SINGLE_CHANNEL_LVDS_SLOW 14
+#define G4X_P2_SINGLE_CHANNEL_LVDS_FAST 14
+#define G4X_P2_SINGLE_CHANNEL_LVDS_LIMIT 0
+
+/*The parameter is for DUAL_CHANNEL_LVDS on G4x platform*/
+#define G4X_DOT_DUAL_CHANNEL_LVDS_MIN 80000
+#define G4X_DOT_DUAL_CHANNEL_LVDS_MAX 224000
+#define G4X_N_DUAL_CHANNEL_LVDS_MIN 1
+#define G4X_N_DUAL_CHANNEL_LVDS_MAX 3
+#define G4X_M_DUAL_CHANNEL_LVDS_MIN 104
+#define G4X_M_DUAL_CHANNEL_LVDS_MAX 138
+#define G4X_M1_DUAL_CHANNEL_LVDS_MIN 17
+#define G4X_M1_DUAL_CHANNEL_LVDS_MAX 23
+#define G4X_M2_DUAL_CHANNEL_LVDS_MIN 5
+#define G4X_M2_DUAL_CHANNEL_LVDS_MAX 11
+#define G4X_P_DUAL_CHANNEL_LVDS_MIN 14
+#define G4X_P_DUAL_CHANNEL_LVDS_MAX 42
+#define G4X_P1_DUAL_CHANNEL_LVDS_MIN 2
+#define G4X_P1_DUAL_CHANNEL_LVDS_MAX 6
+#define G4X_P2_DUAL_CHANNEL_LVDS_SLOW 7
+#define G4X_P2_DUAL_CHANNEL_LVDS_FAST 7
+#define G4X_P2_DUAL_CHANNEL_LVDS_LIMIT 0
+
+static bool
+intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
+ int target, int refclk, intel_clock_t *best_clock);
+static bool
+intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
+ int target, int refclk, intel_clock_t *best_clock);
static const intel_limit_t intel_limits[] = {
{ /* INTEL_LIMIT_I8XX_DVO_DAC */
@@ -128,6 +235,7 @@ static const intel_limit_t intel_limits[] = {
.p1 = { .min = I8XX_P1_MIN, .max = I8XX_P1_MAX },
.p2 = { .dot_limit = I8XX_P2_SLOW_LIMIT,
.p2_slow = I8XX_P2_SLOW, .p2_fast = I8XX_P2_FAST },
+ .find_pll = intel_find_best_PLL,
},
{ /* INTEL_LIMIT_I8XX_LVDS */
.dot = { .min = I8XX_DOT_MIN, .max = I8XX_DOT_MAX },
@@ -140,6 +248,7 @@ static const intel_limit_t intel_limits[] = {
.p1 = { .min = I8XX_P1_LVDS_MIN, .max = I8XX_P1_LVDS_MAX },
.p2 = { .dot_limit = I8XX_P2_SLOW_LIMIT,
.p2_slow = I8XX_P2_LVDS_SLOW, .p2_fast = I8XX_P2_LVDS_FAST },
+ .find_pll = intel_find_best_PLL,
},
{ /* INTEL_LIMIT_I9XX_SDVO_DAC */
.dot = { .min = I9XX_DOT_MIN, .max = I9XX_DOT_MAX },
@@ -152,6 +261,7 @@ static const intel_limit_t intel_limits[] = {
.p1 = { .min = I9XX_P1_MIN, .max = I9XX_P1_MAX },
.p2 = { .dot_limit = I9XX_P2_SDVO_DAC_SLOW_LIMIT,
.p2_slow = I9XX_P2_SDVO_DAC_SLOW, .p2_fast = I9XX_P2_SDVO_DAC_FAST },
+ .find_pll = intel_find_best_PLL,
},
{ /* INTEL_LIMIT_I9XX_LVDS */
.dot = { .min = I9XX_DOT_MIN, .max = I9XX_DOT_MAX },
@@ -167,19 +277,157 @@ static const intel_limit_t intel_limits[] = {
*/
.p2 = { .dot_limit = I9XX_P2_LVDS_SLOW_LIMIT,
.p2_slow = I9XX_P2_LVDS_SLOW, .p2_fast = I9XX_P2_LVDS_FAST },
+ .find_pll = intel_find_best_PLL,
+ },
+ /* below parameter and function is for G4X Chipset Family*/
+ { /* INTEL_LIMIT_G4X_SDVO */
+ .dot = { .min = G4X_DOT_SDVO_MIN, .max = G4X_DOT_SDVO_MAX },
+ .vco = { .min = G4X_VCO_MIN, .max = G4X_VCO_MAX},
+ .n = { .min = G4X_N_SDVO_MIN, .max = G4X_N_SDVO_MAX },
+ .m = { .min = G4X_M_SDVO_MIN, .max = G4X_M_SDVO_MAX },
+ .m1 = { .min = G4X_M1_SDVO_MIN, .max = G4X_M1_SDVO_MAX },
+ .m2 = { .min = G4X_M2_SDVO_MIN, .max = G4X_M2_SDVO_MAX },
+ .p = { .min = G4X_P_SDVO_MIN, .max = G4X_P_SDVO_MAX },
+ .p1 = { .min = G4X_P1_SDVO_MIN, .max = G4X_P1_SDVO_MAX},
+ .p2 = { .dot_limit = G4X_P2_SDVO_LIMIT,
+ .p2_slow = G4X_P2_SDVO_SLOW,
+ .p2_fast = G4X_P2_SDVO_FAST
+ },
+ .find_pll = intel_g4x_find_best_PLL,
+ },
+ { /* INTEL_LIMIT_G4X_HDMI_DAC */
+ .dot = { .min = G4X_DOT_HDMI_DAC_MIN, .max = G4X_DOT_HDMI_DAC_MAX },
+ .vco = { .min = G4X_VCO_MIN, .max = G4X_VCO_MAX},
+ .n = { .min = G4X_N_HDMI_DAC_MIN, .max = G4X_N_HDMI_DAC_MAX },
+ .m = { .min = G4X_M_HDMI_DAC_MIN, .max = G4X_M_HDMI_DAC_MAX },
+ .m1 = { .min = G4X_M1_HDMI_DAC_MIN, .max = G4X_M1_HDMI_DAC_MAX },
+ .m2 = { .min = G4X_M2_HDMI_DAC_MIN, .max = G4X_M2_HDMI_DAC_MAX },
+ .p = { .min = G4X_P_HDMI_DAC_MIN, .max = G4X_P_HDMI_DAC_MAX },
+ .p1 = { .min = G4X_P1_HDMI_DAC_MIN, .max = G4X_P1_HDMI_DAC_MAX},
+ .p2 = { .dot_limit = G4X_P2_HDMI_DAC_LIMIT,
+ .p2_slow = G4X_P2_HDMI_DAC_SLOW,
+ .p2_fast = G4X_P2_HDMI_DAC_FAST
+ },
+ .find_pll = intel_g4x_find_best_PLL,
+ },
+ { /* INTEL_LIMIT_G4X_SINGLE_CHANNEL_LVDS */
+ .dot = { .min = G4X_DOT_SINGLE_CHANNEL_LVDS_MIN,
+ .max = G4X_DOT_SINGLE_CHANNEL_LVDS_MAX },
+ .vco = { .min = G4X_VCO_MIN,
+ .max = G4X_VCO_MAX },
+ .n = { .min = G4X_N_SINGLE_CHANNEL_LVDS_MIN,
+ .max = G4X_N_SINGLE_CHANNEL_LVDS_MAX },
+ .m = { .min = G4X_M_SINGLE_CHANNEL_LVDS_MIN,
+ .max = G4X_M_SINGLE_CHANNEL_LVDS_MAX },
+ .m1 = { .min = G4X_M1_SINGLE_CHANNEL_LVDS_MIN,
+ .max = G4X_M1_SINGLE_CHANNEL_LVDS_MAX },
+ .m2 = { .min = G4X_M2_SINGLE_CHANNEL_LVDS_MIN,
+ .max = G4X_M2_SINGLE_CHANNEL_LVDS_MAX },
+ .p = { .min = G4X_P_SINGLE_CHANNEL_LVDS_MIN,
+ .max = G4X_P_SINGLE_CHANNEL_LVDS_MAX },
+ .p1 = { .min = G4X_P1_SINGLE_CHANNEL_LVDS_MIN,
+ .max = G4X_P1_SINGLE_CHANNEL_LVDS_MAX },
+ .p2 = { .dot_limit = G4X_P2_SINGLE_CHANNEL_LVDS_LIMIT,
+ .p2_slow = G4X_P2_SINGLE_CHANNEL_LVDS_SLOW,
+ .p2_fast = G4X_P2_SINGLE_CHANNEL_LVDS_FAST
+ },
+ .find_pll = intel_g4x_find_best_PLL,
+ },
+ { /* INTEL_LIMIT_G4X_DUAL_CHANNEL_LVDS */
+ .dot = { .min = G4X_DOT_DUAL_CHANNEL_LVDS_MIN,
+ .max = G4X_DOT_DUAL_CHANNEL_LVDS_MAX },
+ .vco = { .min = G4X_VCO_MIN,
+ .max = G4X_VCO_MAX },
+ .n = { .min = G4X_N_DUAL_CHANNEL_LVDS_MIN,
+ .max = G4X_N_DUAL_CHANNEL_LVDS_MAX },
+ .m = { .min = G4X_M_DUAL_CHANNEL_LVDS_MIN,
+ .max = G4X_M_DUAL_CHANNEL_LVDS_MAX },
+ .m1 = { .min = G4X_M1_DUAL_CHANNEL_LVDS_MIN,
+ .max = G4X_M1_DUAL_CHANNEL_LVDS_MAX },
+ .m2 = { .min = G4X_M2_DUAL_CHANNEL_LVDS_MIN,
+ .max = G4X_M2_DUAL_CHANNEL_LVDS_MAX },
+ .p = { .min = G4X_P_DUAL_CHANNEL_LVDS_MIN,
+ .max = G4X_P_DUAL_CHANNEL_LVDS_MAX },
+ .p1 = { .min = G4X_P1_DUAL_CHANNEL_LVDS_MIN,
+ .max = G4X_P1_DUAL_CHANNEL_LVDS_MAX },
+ .p2 = { .dot_limit = G4X_P2_DUAL_CHANNEL_LVDS_LIMIT,
+ .p2_slow = G4X_P2_DUAL_CHANNEL_LVDS_SLOW,
+ .p2_fast = G4X_P2_DUAL_CHANNEL_LVDS_FAST
+ },
+ .find_pll = intel_g4x_find_best_PLL,
+ },
+ { /* INTEL_LIMIT_IGD_SDVO */
+ .dot = { .min = I9XX_DOT_MIN, .max = I9XX_DOT_MAX},
+ .vco = { .min = IGD_VCO_MIN, .max = IGD_VCO_MAX },
+ .n = { .min = IGD_N_MIN, .max = IGD_N_MAX },
+ .m = { .min = IGD_M_MIN, .max = IGD_M_MAX },
+ .m1 = { .min = IGD_M1_MIN, .max = IGD_M1_MAX },
+ .m2 = { .min = IGD_M2_MIN, .max = IGD_M2_MAX },
+ .p = { .min = I9XX_P_SDVO_DAC_MIN, .max = I9XX_P_SDVO_DAC_MAX },
+ .p1 = { .min = I9XX_P1_MIN, .max = I9XX_P1_MAX },
+ .p2 = { .dot_limit = I9XX_P2_SDVO_DAC_SLOW_LIMIT,
+ .p2_slow = I9XX_P2_SDVO_DAC_SLOW, .p2_fast = I9XX_P2_SDVO_DAC_FAST },
},
+ { /* INTEL_LIMIT_IGD_LVDS */
+ .dot = { .min = I9XX_DOT_MIN, .max = I9XX_DOT_MAX },
+ .vco = { .min = IGD_VCO_MIN, .max = IGD_VCO_MAX },
+ .n = { .min = IGD_N_MIN, .max = IGD_N_MAX },
+ .m = { .min = IGD_M_MIN, .max = IGD_M_MAX },
+ .m1 = { .min = IGD_M1_MIN, .max = IGD_M1_MAX },
+ .m2 = { .min = IGD_M2_MIN, .max = IGD_M2_MAX },
+ .p = { .min = IGD_P_LVDS_MIN, .max = IGD_P_LVDS_MAX },
+ .p1 = { .min = I9XX_P1_MIN, .max = I9XX_P1_MAX },
+ /* IGD only supports single-channel mode. */
+ .p2 = { .dot_limit = I9XX_P2_LVDS_SLOW_LIMIT,
+ .p2_slow = I9XX_P2_LVDS_SLOW, .p2_fast = I9XX_P2_LVDS_SLOW },
+ },
+
};
+static const intel_limit_t *intel_g4x_limit(struct drm_crtc *crtc)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ const intel_limit_t *limit;
+
+ if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
+ if ((I915_READ(LVDS) & LVDS_CLKB_POWER_MASK) ==
+ LVDS_CLKB_POWER_UP)
+ /* LVDS with dual channel */
+ limit = &intel_limits
+ [INTEL_LIMIT_G4X_DUAL_CHANNEL_LVDS];
+ else
+ /* LVDS with dual channel */
+ limit = &intel_limits
+ [INTEL_LIMIT_G4X_SINGLE_CHANNEL_LVDS];
+ } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_HDMI) ||
+ intel_pipe_has_type(crtc, INTEL_OUTPUT_ANALOG)) {
+ limit = &intel_limits[INTEL_LIMIT_G4X_HDMI_DAC];
+ } else if (intel_pipe_has_type(crtc, INTEL_OUTPUT_SDVO)) {
+ limit = &intel_limits[INTEL_LIMIT_G4X_SDVO];
+ } else /* The option is for other outputs */
+ limit = &intel_limits[INTEL_LIMIT_I9XX_SDVO_DAC];
+
+ return limit;
+}
+
static const intel_limit_t *intel_limit(struct drm_crtc *crtc)
{
struct drm_device *dev = crtc->dev;
const intel_limit_t *limit;
- if (IS_I9XX(dev)) {
+ if (IS_G4X(dev)) {
+ limit = intel_g4x_limit(crtc);
+ } else if (IS_I9XX(dev) && !IS_IGD(dev)) {
if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
limit = &intel_limits[INTEL_LIMIT_I9XX_LVDS];
else
limit = &intel_limits[INTEL_LIMIT_I9XX_SDVO_DAC];
+ } else if (IS_IGD(dev)) {
+ if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
+ limit = &intel_limits[INTEL_LIMIT_IGD_LVDS];
+ else
+ limit = &intel_limits[INTEL_LIMIT_IGD_SDVO_DAC];
} else {
if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS))
limit = &intel_limits[INTEL_LIMIT_I8XX_LVDS];
@@ -189,8 +437,21 @@ static const intel_limit_t *intel_limit(struct drm_crtc *crtc)
return limit;
}
-static void intel_clock(int refclk, intel_clock_t *clock)
+/* m1 is reserved as 0 in IGD, n is a ring counter */
+static void igd_clock(int refclk, intel_clock_t *clock)
{
+ clock->m = clock->m2 + 2;
+ clock->p = clock->p1 * clock->p2;
+ clock->vco = refclk * clock->m / clock->n;
+ clock->dot = clock->vco / clock->p;
+}
+
+static void intel_clock(struct drm_device *dev, int refclk, intel_clock_t *clock)
+{
+ if (IS_IGD(dev)) {
+ igd_clock(refclk, clock);
+ return;
+ }
clock->m = 5 * (clock->m1 + 2) + (clock->m2 + 2);
clock->p = clock->p1 * clock->p2;
clock->vco = refclk * clock->m / (clock->n + 2);
@@ -226,6 +487,7 @@ bool intel_pipe_has_type (struct drm_crtc *crtc, int type)
static bool intel_PLL_is_valid(struct drm_crtc *crtc, intel_clock_t *clock)
{
const intel_limit_t *limit = intel_limit (crtc);
+ struct drm_device *dev = crtc->dev;
if (clock->p1 < limit->p1.min || limit->p1.max < clock->p1)
INTELPllInvalid ("p1 out of range\n");
@@ -235,7 +497,7 @@ static bool intel_PLL_is_valid(struct drm_crtc *crtc, intel_clock_t *clock)
INTELPllInvalid ("m2 out of range\n");
if (clock->m1 < limit->m1.min || limit->m1.max < clock->m1)
INTELPllInvalid ("m1 out of range\n");
- if (clock->m1 <= clock->m2)
+ if (clock->m1 <= clock->m2 && !IS_IGD(dev))
INTELPllInvalid ("m1 <= m2\n");
if (clock->m < limit->m.min || limit->m.max < clock->m)
INTELPllInvalid ("m out of range\n");
@@ -252,18 +514,14 @@ static bool intel_PLL_is_valid(struct drm_crtc *crtc, intel_clock_t *clock)
return true;
}
-/**
- * Returns a set of divisors for the desired target clock with the given
- * refclk, or FALSE. The returned values represent the clock equation:
- * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2.
- */
-static bool intel_find_best_PLL(struct drm_crtc *crtc, int target,
- int refclk, intel_clock_t *best_clock)
+static bool
+intel_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
+ int target, int refclk, intel_clock_t *best_clock)
+
{
struct drm_device *dev = crtc->dev;
struct drm_i915_private *dev_priv = dev->dev_private;
intel_clock_t clock;
- const intel_limit_t *limit = intel_limit(crtc);
int err = target;
if (IS_I9XX(dev) && intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS) &&
@@ -289,15 +547,17 @@ static bool intel_find_best_PLL(struct drm_crtc *crtc, int target,
memset (best_clock, 0, sizeof (*best_clock));
for (clock.m1 = limit->m1.min; clock.m1 <= limit->m1.max; clock.m1++) {
- for (clock.m2 = limit->m2.min; clock.m2 < clock.m1 &&
- clock.m2 <= limit->m2.max; clock.m2++) {
+ for (clock.m2 = limit->m2.min; clock.m2 <= limit->m2.max; clock.m2++) {
+ /* m1 is always 0 in IGD */
+ if (clock.m2 >= clock.m1 && !IS_IGD(dev))
+ break;
for (clock.n = limit->n.min; clock.n <= limit->n.max;
clock.n++) {
for (clock.p1 = limit->p1.min;
clock.p1 <= limit->p1.max; clock.p1++) {
int this_err;
- intel_clock(refclk, &clock);
+ intel_clock(dev, refclk, &clock);
if (!intel_PLL_is_valid(crtc, &clock))
continue;
@@ -315,6 +575,63 @@ static bool intel_find_best_PLL(struct drm_crtc *crtc, int target,
return (err != target);
}
+static bool
+intel_g4x_find_best_PLL(const intel_limit_t *limit, struct drm_crtc *crtc,
+ int target, int refclk, intel_clock_t *best_clock)
+{
+ struct drm_device *dev = crtc->dev;
+ struct drm_i915_private *dev_priv = dev->dev_private;
+ intel_clock_t clock;
+ int max_n;
+ bool found;
+ /* approximately equals target * 0.00488 */
+ int err_most = (target >> 8) + (target >> 10);
+ found = false;
+
+ if (intel_pipe_has_type(crtc, INTEL_OUTPUT_LVDS)) {
+ if ((I915_READ(LVDS) & LVDS_CLKB_POWER_MASK) ==
+ LVDS_CLKB_POWER_UP)
+ clock.p2 = limit->p2.p2_fast;
+ else
+ clock.p2 = limit->p2.p2_slow;
+ } else {
+ if (target < limit->p2.dot_limit)
+ clock.p2 = limit->p2.p2_slow;
+ else
+ clock.p2 = limit->p2.p2_fast;
+ }
+
+ memset(best_clock, 0, sizeof(*best_clock));
+ max_n = limit->n.max;
+ /* based on hardware requriment prefer smaller n to precision */
+ for (clock.n = limit->n.min; clock.n <= max_n; clock.n++) {
+ /* based on hardware requirment prefere larger m1,m2, p1 */
+ for (clock.m1 = limit->m1.max;
+ clock.m1 >= limit->m1.min; clock.m1--) {
+ for (clock.m2 = limit->m2.max;
+ clock.m2 >= limit->m2.min; clock.m2--) {
+ for (clock.p1 = limit->p1.max;
+ clock.p1 >= limit->p1.min; clock.p1--) {
+ int this_err;
+
+ intel_clock(dev, refclk, &clock);
+ if (!intel_PLL_is_valid(crtc, &clock))
+ continue;
+ this_err = abs(clock.dot - target) ;
+ if (this_err < err_most) {
+ *best_clock = clock;
+ err_most = this_err;
+ max_n = clock.n;
+ found = true;
+ }
+ }
+ }
+ }
+ }
+
+ return found;
+}
+
void
intel_wait_for_vblank(struct drm_device *dev)
{
@@ -634,7 +951,7 @@ static int intel_get_core_clock_speed(struct drm_device *dev)
return 400000;
else if (IS_I915G(dev))
return 333000;
- else if (IS_I945GM(dev) || IS_845G(dev))
+ else if (IS_I945GM(dev) || IS_845G(dev) || IS_IGDGM(dev))
return 200000;
else if (IS_I915GM(dev)) {
u16 gcfgc = 0;
@@ -733,6 +1050,7 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
bool is_crt = false, is_lvds = false, is_tv = false;
struct drm_mode_config *mode_config = &dev->mode_config;
struct drm_connector *connector;
+ const intel_limit_t *limit;
int ret;
drm_vblank_pre_modeset(dev, pipe);
@@ -776,13 +1094,22 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
refclk = 48000;
}
- ok = intel_find_best_PLL(crtc, adjusted_mode->clock, refclk, &clock);
+ /*
+ * Returns a set of divisors for the desired target clock with the given
+ * refclk, or FALSE. The returned values represent the clock equation:
+ * reflck * (5 * (m1 + 2) + (m2 + 2)) / (n + 2) / p1 / p2.
+ */
+ limit = intel_limit(crtc);
+ ok = limit->find_pll(limit, crtc, adjusted_mode->clock, refclk, &clock);
if (!ok) {
DRM_ERROR("Couldn't find PLL settings for mode!\n");
return -EINVAL;
}
- fp = clock.n << 16 | clock.m1 << 8 | clock.m2;
+ if (IS_IGD(dev))
+ fp = (1 << clock.n) << 16 | clock.m1 << 8 | clock.m2;
+ else
+ fp = clock.n << 16 | clock.m1 << 8 | clock.m2;
dpll = DPLL_VGA_MODE_DIS;
if (IS_I9XX(dev)) {
@@ -799,7 +1126,10 @@ static int intel_crtc_mode_set(struct drm_crtc *crtc,
}
/* compute bitmask from p1 value */
- dpll |= (1 << (clock.p1 - 1)) << 16;
+ if (IS_IGD(dev))
+ dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT_IGD;
+ else
+ dpll |= (1 << (clock.p1 - 1)) << DPLL_FPA01_P1_POST_DIV_SHIFT;
switch (clock.p2) {
case 5:
dpll |= DPLL_DAC_SERIAL_P2_CLOCK_DIV_5;
@@ -1279,10 +1609,20 @@ static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc)
fp = I915_READ((pipe == 0) ? FPA1 : FPB1);
clock.m1 = (fp & FP_M1_DIV_MASK) >> FP_M1_DIV_SHIFT;
- clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT;
- clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT;
+ if (IS_IGD(dev)) {
+ clock.n = ffs((fp & FP_N_IGD_DIV_MASK) >> FP_N_DIV_SHIFT) - 1;
+ clock.m2 = (fp & FP_M2_IGD_DIV_MASK) >> FP_M2_DIV_SHIFT;
+ } else {
+ clock.n = (fp & FP_N_DIV_MASK) >> FP_N_DIV_SHIFT;
+ clock.m2 = (fp & FP_M2_DIV_MASK) >> FP_M2_DIV_SHIFT;
+ }
+
if (IS_I9XX(dev)) {
- clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >>
+ if (IS_IGD(dev))
+ clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK_IGD) >>
+ DPLL_FPA01_P1_POST_DIV_SHIFT_IGD);
+ else
+ clock.p1 = ffs((dpll & DPLL_FPA01_P1_POST_DIV_MASK) >>
DPLL_FPA01_P1_POST_DIV_SHIFT);
switch (dpll & DPLL_MODE_MASK) {
@@ -1301,7 +1641,7 @@ static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc)
}
/* XXX: Handle the 100Mhz refclk */
- intel_clock(96000, &clock);
+ intel_clock(dev, 96000, &clock);
} else {
bool is_lvds = (pipe == 1) && (I915_READ(LVDS) & LVDS_PORT_EN);
@@ -1313,9 +1653,9 @@ static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc)
if ((dpll & PLL_REF_INPUT_MASK) ==
PLLB_REF_INPUT_SPREADSPECTRUMIN) {
/* XXX: might not be 66MHz */
- intel_clock(66000, &clock);
+ intel_clock(dev, 66000, &clock);
} else
- intel_clock(48000, &clock);
+ intel_clock(dev, 48000, &clock);
} else {
if (dpll & PLL_P1_DIVIDE_BY_TWO)
clock.p1 = 2;
@@ -1328,7 +1668,7 @@ static int intel_crtc_clock_get(struct drm_device *dev, struct drm_crtc *crtc)
else
clock.p2 = 2;
- intel_clock(48000, &clock);
+ intel_clock(dev, 48000, &clock);
}
}
@@ -1474,13 +1814,21 @@ static void intel_setup_outputs(struct drm_device *dev)
if (IS_I9XX(dev)) {
int found;
+ u32 reg;
if (I915_READ(SDVOB) & SDVO_DETECTED) {
found = intel_sdvo_init(dev, SDVOB);
if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
intel_hdmi_init(dev, SDVOB);
}
- if (!IS_G4X(dev) || (I915_READ(SDVOB) & SDVO_DETECTED)) {
+
+ /* Before G4X SDVOC doesn't have its own detect register */
+ if (IS_G4X(dev))
+ reg = SDVOC;
+ else
+ reg = SDVOB;
+
+ if (I915_READ(reg) & SDVO_DETECTED) {
found = intel_sdvo_init(dev, SDVOC);
if (!found && SUPPORTS_INTEGRATED_HDMI(dev))
intel_hdmi_init(dev, SDVOC);
diff --git a/drivers/gpu/drm/i915/intel_lvds.c b/drivers/gpu/drm/i915/intel_lvds.c
index 0d211af9885..6619f26e46a 100644
--- a/drivers/gpu/drm/i915/intel_lvds.c
+++ b/drivers/gpu/drm/i915/intel_lvds.c
@@ -265,7 +265,7 @@ static void intel_lvds_mode_set(struct drm_encoder *encoder,
pfit_control = 0;
if (!IS_I965G(dev)) {
- if (dev_priv->panel_wants_dither)
+ if (dev_priv->panel_wants_dither || dev_priv->lvds_dither)
pfit_control |= PANEL_8TO6_DITHER_ENABLE;
}
else
diff --git a/drivers/gpu/drm/i915/intel_tv.c b/drivers/gpu/drm/i915/intel_tv.c
index 56485d67369..ceca9471a75 100644
--- a/drivers/gpu/drm/i915/intel_tv.c
+++ b/drivers/gpu/drm/i915/intel_tv.c
@@ -217,8 +217,8 @@ static const u32 filter_table[] = {
*/
static const struct color_conversion ntsc_m_csc_composite = {
.ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0104,
- .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0f00,
- .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0f00,
+ .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0200,
+ .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0200,
};
static const struct video_levels ntsc_m_levels_composite = {
@@ -226,9 +226,9 @@ static const struct video_levels ntsc_m_levels_composite = {
};
static const struct color_conversion ntsc_m_csc_svideo = {
- .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0134,
- .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0f00,
- .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0f00,
+ .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0133,
+ .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0200,
+ .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0200,
};
static const struct video_levels ntsc_m_levels_svideo = {
@@ -237,8 +237,8 @@ static const struct video_levels ntsc_m_levels_svideo = {
static const struct color_conversion ntsc_j_csc_composite = {
.ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0119,
- .ru = 0x074c, .gu = 0x0546, .bu = 0x05ec, .au = 0x0f00,
- .rv = 0x035a, .gv = 0x0322, .bv = 0x06e1, .av = 0x0f00,
+ .ru = 0x074c, .gu = 0x0546, .bu = 0x05ec, .au = 0x0200,
+ .rv = 0x035a, .gv = 0x0322, .bv = 0x06e1, .av = 0x0200,
};
static const struct video_levels ntsc_j_levels_composite = {
@@ -247,8 +247,8 @@ static const struct video_levels ntsc_j_levels_composite = {
static const struct color_conversion ntsc_j_csc_svideo = {
.ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x014c,
- .ru = 0x0788, .gu = 0x0581, .bu = 0x0322, .au = 0x0f00,
- .rv = 0x0399, .gv = 0x0356, .bv = 0x070a, .av = 0x0f00,
+ .ru = 0x0788, .gu = 0x0581, .bu = 0x0322, .au = 0x0200,
+ .rv = 0x0399, .gv = 0x0356, .bv = 0x070a, .av = 0x0200,
};
static const struct video_levels ntsc_j_levels_svideo = {
@@ -257,8 +257,8 @@ static const struct video_levels ntsc_j_levels_svideo = {
static const struct color_conversion pal_csc_composite = {
.ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0113,
- .ru = 0x0745, .gu = 0x053f, .bu = 0x05e1, .au = 0x0f00,
- .rv = 0x0353, .gv = 0x031c, .bv = 0x06dc, .av = 0x0f00,
+ .ru = 0x0745, .gu = 0x053f, .bu = 0x05e1, .au = 0x0200,
+ .rv = 0x0353, .gv = 0x031c, .bv = 0x06dc, .av = 0x0200,
};
static const struct video_levels pal_levels_composite = {
@@ -267,8 +267,8 @@ static const struct video_levels pal_levels_composite = {
static const struct color_conversion pal_csc_svideo = {
.ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0145,
- .ru = 0x0780, .gu = 0x0579, .bu = 0x031c, .au = 0x0f00,
- .rv = 0x0390, .gv = 0x034f, .bv = 0x0705, .av = 0x0f00,
+ .ru = 0x0780, .gu = 0x0579, .bu = 0x031c, .au = 0x0200,
+ .rv = 0x0390, .gv = 0x034f, .bv = 0x0705, .av = 0x0200,
};
static const struct video_levels pal_levels_svideo = {
@@ -277,8 +277,8 @@ static const struct video_levels pal_levels_svideo = {
static const struct color_conversion pal_m_csc_composite = {
.ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0104,
- .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0f00,
- .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0f00,
+ .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0200,
+ .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0200,
};
static const struct video_levels pal_m_levels_composite = {
@@ -286,9 +286,9 @@ static const struct video_levels pal_m_levels_composite = {
};
static const struct color_conversion pal_m_csc_svideo = {
- .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0134,
- .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0f00,
- .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0f00,
+ .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0133,
+ .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0200,
+ .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0200,
};
static const struct video_levels pal_m_levels_svideo = {
@@ -297,8 +297,8 @@ static const struct video_levels pal_m_levels_svideo = {
static const struct color_conversion pal_n_csc_composite = {
.ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0104,
- .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0f00,
- .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0f00,
+ .ru = 0x0733, .gu = 0x052d, .bu = 0x05c7, .au = 0x0200,
+ .rv = 0x0340, .gv = 0x030c, .bv = 0x06d0, .av = 0x0200,
};
static const struct video_levels pal_n_levels_composite = {
@@ -306,9 +306,9 @@ static const struct video_levels pal_n_levels_composite = {
};
static const struct color_conversion pal_n_csc_svideo = {
- .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0134,
- .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0f00,
- .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0f00,
+ .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0133,
+ .ru = 0x076a, .gu = 0x0564, .bu = 0x030d, .au = 0x0200,
+ .rv = 0x037a, .gv = 0x033d, .bv = 0x06f6, .av = 0x0200,
};
static const struct video_levels pal_n_levels_svideo = {
@@ -319,9 +319,9 @@ static const struct video_levels pal_n_levels_svideo = {
* Component connections
*/
static const struct color_conversion sdtv_csc_yprpb = {
- .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0146,
- .ru = 0x0559, .gu = 0x0353, .bu = 0x0100, .au = 0x0f00,
- .rv = 0x0100, .gv = 0x03ad, .bv = 0x074d, .av = 0x0f00,
+ .ry = 0x0332, .gy = 0x012d, .by = 0x07d3, .ay = 0x0145,
+ .ru = 0x0559, .gu = 0x0353, .bu = 0x0100, .au = 0x0200,
+ .rv = 0x0100, .gv = 0x03ad, .bv = 0x074d, .av = 0x0200,
};
static const struct color_conversion sdtv_csc_rgb = {
@@ -331,9 +331,9 @@ static const struct color_conversion sdtv_csc_rgb = {
};
static const struct color_conversion hdtv_csc_yprpb = {
- .ry = 0x05b3, .gy = 0x016e, .by = 0x0728, .ay = 0x0146,
- .ru = 0x07d5, .gu = 0x038b, .bu = 0x0100, .au = 0x0f00,
- .rv = 0x0100, .gv = 0x03d1, .bv = 0x06bc, .av = 0x0f00,
+ .ry = 0x05b3, .gy = 0x016e, .by = 0x0728, .ay = 0x0145,
+ .ru = 0x07d5, .gu = 0x038b, .bu = 0x0100, .au = 0x0200,
+ .rv = 0x0100, .gv = 0x03d1, .bv = 0x06bc, .av = 0x0200,
};
static const struct color_conversion hdtv_csc_rgb = {
@@ -414,7 +414,7 @@ struct tv_mode {
static const struct tv_mode tv_modes[] = {
{
.name = "NTSC-M",
- .clock = 107520,
+ .clock = 108000,
.refresh = 29970,
.oversample = TV_OVERSAMPLE_8X,
.component_only = 0,
@@ -442,8 +442,8 @@ static const struct tv_mode tv_modes[] = {
.vburst_start_f4 = 10, .vburst_end_f4 = 240,
/* desired 3.5800000 actual 3.5800000 clock 107.52 */
- .dda1_inc = 136,
- .dda2_inc = 7624, .dda2_size = 20013,
+ .dda1_inc = 135,
+ .dda2_inc = 20800, .dda2_size = 27456,
.dda3_inc = 0, .dda3_size = 0,
.sc_reset = TV_SC_RESET_EVERY_4,
.pal_burst = false,
@@ -457,7 +457,7 @@ static const struct tv_mode tv_modes[] = {
},
{
.name = "NTSC-443",
- .clock = 107520,
+ .clock = 108000,
.refresh = 29970,
.oversample = TV_OVERSAMPLE_8X,
.component_only = 0,
@@ -485,10 +485,10 @@ static const struct tv_mode tv_modes[] = {
/* desired 4.4336180 actual 4.4336180 clock 107.52 */
.dda1_inc = 168,
- .dda2_inc = 18557, .dda2_size = 20625,
- .dda3_inc = 0, .dda3_size = 0,
- .sc_reset = TV_SC_RESET_EVERY_8,
- .pal_burst = true,
+ .dda2_inc = 4093, .dda2_size = 27456,
+ .dda3_inc = 310, .dda3_size = 525,
+ .sc_reset = TV_SC_RESET_NEVER,
+ .pal_burst = false,
.composite_levels = &ntsc_m_levels_composite,
.composite_color = &ntsc_m_csc_composite,
@@ -499,7 +499,7 @@ static const struct tv_mode tv_modes[] = {
},
{
.name = "NTSC-J",
- .clock = 107520,
+ .clock = 108000,
.refresh = 29970,
.oversample = TV_OVERSAMPLE_8X,
.component_only = 0,
@@ -527,8 +527,8 @@ static const struct tv_mode tv_modes[] = {
.vburst_start_f4 = 10, .vburst_end_f4 = 240,
/* desired 3.5800000 actual 3.5800000 clock 107.52 */
- .dda1_inc = 136,
- .dda2_inc = 7624, .dda2_size = 20013,
+ .dda1_inc = 135,
+ .dda2_inc = 20800, .dda2_size = 27456,
.dda3_inc = 0, .dda3_size = 0,
.sc_reset = TV_SC_RESET_EVERY_4,
.pal_burst = false,
@@ -542,7 +542,7 @@ static const struct tv_mode tv_modes[] = {
},
{
.name = "PAL-M",
- .clock = 107520,
+ .clock = 108000,
.refresh = 29970,
.oversample = TV_OVERSAMPLE_8X,
.component_only = 0,
@@ -570,11 +570,11 @@ static const struct tv_mode tv_modes[] = {
.vburst_start_f4 = 10, .vburst_end_f4 = 240,
/* desired 3.5800000 actual 3.5800000 clock 107.52 */
- .dda1_inc = 136,
- .dda2_inc = 7624, .dda2_size = 20013,
+ .dda1_inc = 135,
+ .dda2_inc = 16704, .dda2_size = 27456,
.dda3_inc = 0, .dda3_size = 0,
- .sc_reset = TV_SC_RESET_EVERY_4,
- .pal_burst = false,
+ .sc_reset = TV_SC_RESET_EVERY_8,
+ .pal_burst = true,
.composite_levels = &pal_m_levels_composite,
.composite_color = &pal_m_csc_composite,
@@ -586,7 +586,7 @@ static const struct tv_mode tv_modes[] = {
{
/* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */
.name = "PAL-N",
- .clock = 107520,
+ .clock = 108000,
.refresh = 25000,
.oversample = TV_OVERSAMPLE_8X,
.component_only = 0,
@@ -615,9 +615,9 @@ static const struct tv_mode tv_modes[] = {
/* desired 4.4336180 actual 4.4336180 clock 107.52 */
- .dda1_inc = 168,
- .dda2_inc = 18557, .dda2_size = 20625,
- .dda3_inc = 0, .dda3_size = 0,
+ .dda1_inc = 135,
+ .dda2_inc = 23578, .dda2_size = 27648,
+ .dda3_inc = 134, .dda3_size = 625,
.sc_reset = TV_SC_RESET_EVERY_8,
.pal_burst = true,
@@ -631,12 +631,12 @@ static const struct tv_mode tv_modes[] = {
{
/* 625 Lines, 50 Fields, 15.625KHz line, Sub-Carrier 4.434MHz */
.name = "PAL",
- .clock = 107520,
+ .clock = 108000,
.refresh = 25000,
.oversample = TV_OVERSAMPLE_8X,
.component_only = 0,
- .hsync_end = 64, .hblank_end = 128,
+ .hsync_end = 64, .hblank_end = 142,
.hblank_start = 844, .htotal = 863,
.progressive = false, .trilevel_sync = false,
@@ -659,8 +659,8 @@ static const struct tv_mode tv_modes[] = {
/* desired 4.4336180 actual 4.4336180 clock 107.52 */
.dda1_inc = 168,
- .dda2_inc = 18557, .dda2_size = 20625,
- .dda3_inc = 0, .dda3_size = 0,
+ .dda2_inc = 4122, .dda2_size = 27648,
+ .dda3_inc = 67, .dda3_size = 625,
.sc_reset = TV_SC_RESET_EVERY_8,
.pal_burst = true,
@@ -689,7 +689,7 @@ static const struct tv_mode tv_modes[] = {
.veq_ena = false,
.vi_end_f1 = 44, .vi_end_f2 = 44,
- .nbr_end = 496,
+ .nbr_end = 479,
.burst_ena = false,
@@ -713,7 +713,7 @@ static const struct tv_mode tv_modes[] = {
.veq_ena = false,
.vi_end_f1 = 44, .vi_end_f2 = 44,
- .nbr_end = 496,
+ .nbr_end = 479,
.burst_ena = false,
@@ -876,7 +876,7 @@ static const struct tv_mode tv_modes[] = {
.component_only = 1,
.hsync_end = 88, .hblank_end = 235,
- .hblank_start = 2155, .htotal = 2200,
+ .hblank_start = 2155, .htotal = 2201,
.progressive = false, .trilevel_sync = true,
@@ -1082,7 +1082,7 @@ intel_tv_mode_valid(struct drm_connector *connector, struct drm_display_mode *mo
const struct tv_mode *tv_mode = intel_tv_mode_find(intel_output);
/* Ensure TV refresh is close to desired refresh */
- if (tv_mode && abs(tv_mode->refresh - drm_mode_vrefresh(mode)) < 1)
+ if (tv_mode && abs(tv_mode->refresh - drm_mode_vrefresh(mode)) < 10)
return MODE_OK;
return MODE_CLOCK_RANGE;
}
@@ -1135,7 +1135,8 @@ intel_tv_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
if (!tv_mode)
return; /* can't happen (mode_prepare prevents this) */
- tv_ctl = 0;
+ tv_ctl = I915_READ(TV_CTL);
+ tv_ctl &= TV_CTL_SAVE;
switch (tv_priv->type) {
default:
@@ -1215,7 +1216,6 @@ intel_tv_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
/* dda1 implies valid video levels */
if (tv_mode->dda1_inc) {
scctl1 |= TV_SC_DDA1_EN;
- scctl1 |= video_levels->burst << TV_BURST_LEVEL_SHIFT;
}
if (tv_mode->dda2_inc)
@@ -1225,6 +1225,7 @@ intel_tv_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
scctl1 |= TV_SC_DDA3_EN;
scctl1 |= tv_mode->sc_reset;
+ scctl1 |= video_levels->burst << TV_BURST_LEVEL_SHIFT;
scctl1 |= tv_mode->dda1_inc << TV_SCDDA1_INC_SHIFT;
scctl2 = tv_mode->dda2_size << TV_SCDDA2_SIZE_SHIFT |
@@ -1266,7 +1267,11 @@ intel_tv_mode_set(struct drm_encoder *encoder, struct drm_display_mode *mode,
color_conversion->av);
}
- I915_WRITE(TV_CLR_KNOBS, 0x00606000);
+ if (IS_I965G(dev))
+ I915_WRITE(TV_CLR_KNOBS, 0x00404000);
+ else
+ I915_WRITE(TV_CLR_KNOBS, 0x00606000);
+
if (video_levels)
I915_WRITE(TV_CLR_LEVEL,
((video_levels->black << TV_BLACK_LEVEL_SHIFT) |
@@ -1401,6 +1406,7 @@ intel_tv_detect_type (struct drm_crtc *crtc, struct intel_output *intel_output)
tv_dac = I915_READ(TV_DAC);
I915_WRITE(TV_DAC, save_tv_dac);
I915_WRITE(TV_CTL, save_tv_ctl);
+ intel_wait_for_vblank(dev);
}
/*
* A B C
@@ -1451,7 +1457,7 @@ intel_tv_detect(struct drm_connector *connector)
mode = reported_modes[0];
drm_mode_set_crtcinfo(&mode, CRTC_INTERLACE_HALVE_V);
- if (encoder->crtc) {
+ if (encoder->crtc && encoder->crtc->enabled) {
type = intel_tv_detect_type(encoder->crtc, intel_output);
} else {
crtc = intel_get_load_detect_pipe(intel_output, &mode, &dpms_mode);
@@ -1462,6 +1468,8 @@ intel_tv_detect(struct drm_connector *connector)
type = -1;
}
+ tv_priv->type = type;
+
if (type < 0)
return connector_status_disconnected;
@@ -1495,7 +1503,8 @@ intel_tv_get_modes(struct drm_connector *connector)
struct drm_display_mode *mode_ptr;
struct intel_output *intel_output = to_intel_output(connector);
const struct tv_mode *tv_mode = intel_tv_mode_find(intel_output);
- int j;
+ int j, count = 0;
+ u64 tmp;
for (j = 0; j < sizeof(input_res_table) / sizeof(input_res_table[0]);
j++) {
@@ -1510,8 +1519,9 @@ intel_tv_get_modes(struct drm_connector *connector)
&& !tv_mode->component_only))
continue;
- mode_ptr = drm_calloc(1, sizeof(struct drm_display_mode),
- DRM_MEM_DRIVER);
+ mode_ptr = drm_mode_create(connector->dev);
+ if (!mode_ptr)
+ continue;
strncpy(mode_ptr->name, input->name, DRM_DISPLAY_MODE_LEN);
mode_ptr->hdisplay = hactive_s;
@@ -1528,15 +1538,17 @@ intel_tv_get_modes(struct drm_connector *connector)
mode_ptr->vsync_end = mode_ptr->vsync_start + 1;
mode_ptr->vtotal = vactive_s + 33;
- mode_ptr->clock = (int) (tv_mode->refresh *
- mode_ptr->vtotal *
- mode_ptr->htotal / 1000) / 1000;
+ tmp = (u64) tv_mode->refresh * mode_ptr->vtotal;
+ tmp *= mode_ptr->htotal;
+ tmp = div_u64(tmp, 1000000);
+ mode_ptr->clock = (int) tmp;
mode_ptr->type = DRM_MODE_TYPE_DRIVER;
drm_mode_probed_add(connector, mode_ptr);
+ count++;
}
- return 0;
+ return count;
}
static void
diff --git a/drivers/ieee1394/csr.c b/drivers/ieee1394/csr.c
index 31400c8ae05..d696f69ebce 100644
--- a/drivers/ieee1394/csr.c
+++ b/drivers/ieee1394/csr.c
@@ -68,22 +68,22 @@ static struct hpsb_highlevel csr_highlevel = {
.host_reset = host_reset,
};
-const static struct hpsb_address_ops map_ops = {
+static const struct hpsb_address_ops map_ops = {
.read = read_maps,
};
-const static struct hpsb_address_ops fcp_ops = {
+static const struct hpsb_address_ops fcp_ops = {
.write = write_fcp,
};
-const static struct hpsb_address_ops reg_ops = {
+static const struct hpsb_address_ops reg_ops = {
.read = read_regs,
.write = write_regs,
.lock = lock_regs,
.lock64 = lock64_regs,
};
-const static struct hpsb_address_ops config_rom_ops = {
+static const struct hpsb_address_ops config_rom_ops = {
.read = read_config_rom,
};
diff --git a/drivers/ieee1394/dv1394.c b/drivers/ieee1394/dv1394.c
index cb15bfa38d7..823a6297a1a 100644
--- a/drivers/ieee1394/dv1394.c
+++ b/drivers/ieee1394/dv1394.c
@@ -2171,7 +2171,7 @@ static const struct file_operations dv1394_fops=
* Export information about protocols/devices supported by this driver.
*/
#ifdef MODULE
-static struct ieee1394_device_id dv1394_id_table[] = {
+static const struct ieee1394_device_id dv1394_id_table[] = {
{
.match_flags = IEEE1394_MATCH_SPECIFIER_ID | IEEE1394_MATCH_VERSION,
.specifier_id = AVC_UNIT_SPEC_ID_ENTRY & 0xffffff,
diff --git a/drivers/ieee1394/eth1394.c b/drivers/ieee1394/eth1394.c
index 1a919df809f..4ca103577c0 100644
--- a/drivers/ieee1394/eth1394.c
+++ b/drivers/ieee1394/eth1394.c
@@ -181,7 +181,7 @@ static void ether1394_remove_host(struct hpsb_host *host);
static void ether1394_host_reset(struct hpsb_host *host);
/* Function for incoming 1394 packets */
-const static struct hpsb_address_ops addr_ops = {
+static const struct hpsb_address_ops addr_ops = {
.write = ether1394_write,
};
@@ -438,7 +438,7 @@ static int eth1394_update(struct unit_directory *ud)
return eth1394_new_node(hi, ud);
}
-static struct ieee1394_device_id eth1394_id_table[] = {
+static const struct ieee1394_device_id eth1394_id_table[] = {
{
.match_flags = (IEEE1394_MATCH_SPECIFIER_ID |
IEEE1394_MATCH_VERSION),
diff --git a/drivers/ieee1394/highlevel.c b/drivers/ieee1394/highlevel.c
index 600e391c8fe..4bc443546e0 100644
--- a/drivers/ieee1394/highlevel.c
+++ b/drivers/ieee1394/highlevel.c
@@ -478,7 +478,7 @@ int hpsb_unregister_addrspace(struct hpsb_highlevel *hl, struct hpsb_host *host,
return retval;
}
-const static struct hpsb_address_ops dummy_ops;
+static const struct hpsb_address_ops dummy_ops;
/* dummy address spaces as lower and upper bounds of the host's a.s. list */
static void init_hpsb_highlevel(struct hpsb_host *host)
diff --git a/drivers/ieee1394/nodemgr.c b/drivers/ieee1394/nodemgr.c
index 53aada5bbe1..a6d55bebe61 100644
--- a/drivers/ieee1394/nodemgr.c
+++ b/drivers/ieee1394/nodemgr.c
@@ -484,7 +484,7 @@ static struct device_attribute *const fw_host_attrs[] = {
static ssize_t fw_show_drv_device_ids(struct device_driver *drv, char *buf)
{
struct hpsb_protocol_driver *driver;
- struct ieee1394_device_id *id;
+ const struct ieee1394_device_id *id;
int length = 0;
char *scratch = buf;
@@ -658,7 +658,7 @@ static int nodemgr_bus_match(struct device * dev, struct device_driver * drv)
{
struct hpsb_protocol_driver *driver;
struct unit_directory *ud;
- struct ieee1394_device_id *id;
+ const struct ieee1394_device_id *id;
/* We only match unit directories */
if (dev->platform_data != &nodemgr_ud_platform_data)
diff --git a/drivers/ieee1394/nodemgr.h b/drivers/ieee1394/nodemgr.h
index ee5acdbd114..749b271d310 100644
--- a/drivers/ieee1394/nodemgr.h
+++ b/drivers/ieee1394/nodemgr.h
@@ -125,7 +125,7 @@ struct hpsb_protocol_driver {
* probe function below can implement further protocol
* dependent or vendor dependent checking.
*/
- struct ieee1394_device_id *id_table;
+ const struct ieee1394_device_id *id_table;
/*
* The update function is called when the node has just
diff --git a/drivers/ieee1394/raw1394.c b/drivers/ieee1394/raw1394.c
index bad66c65b0d..da5f8829b50 100644
--- a/drivers/ieee1394/raw1394.c
+++ b/drivers/ieee1394/raw1394.c
@@ -90,7 +90,7 @@ static int arm_lock(struct hpsb_host *host, int nodeid, quadlet_t * store,
static int arm_lock64(struct hpsb_host *host, int nodeid, octlet_t * store,
u64 addr, octlet_t data, octlet_t arg, int ext_tcode,
u16 flags);
-const static struct hpsb_address_ops arm_ops = {
+static const struct hpsb_address_ops arm_ops = {
.read = arm_read,
.write = arm_write,
.lock = arm_lock,
@@ -369,6 +369,7 @@ static const char __user *raw1394_compat_write(const char __user *buf)
{
struct compat_raw1394_req __user *cr = (typeof(cr)) buf;
struct raw1394_request __user *r;
+
r = compat_alloc_user_space(sizeof(struct raw1394_request));
#define C(x) __copy_in_user(&r->x, &cr->x, sizeof(r->x))
@@ -378,7 +379,8 @@ static const char __user *raw1394_compat_write(const char __user *buf)
C(tag) ||
C(sendb) ||
C(recvb))
- return ERR_PTR(-EFAULT);
+ return (__force const char __user *)ERR_PTR(-EFAULT);
+
return (const char __user *)r;
}
#undef C
@@ -389,6 +391,7 @@ static int
raw1394_compat_read(const char __user *buf, struct raw1394_request *r)
{
struct compat_raw1394_req __user *cr = (typeof(cr)) buf;
+
if (!access_ok(VERIFY_WRITE, cr, sizeof(struct compat_raw1394_req)) ||
P(type) ||
P(error) ||
@@ -400,6 +403,7 @@ raw1394_compat_read(const char __user *buf, struct raw1394_request *r)
P(sendb) ||
P(recvb))
return -EFAULT;
+
return sizeof(struct compat_raw1394_req);
}
#undef P
@@ -2249,8 +2253,8 @@ static ssize_t raw1394_write(struct file *file, const char __user * buffer,
sizeof(struct compat_raw1394_req) !=
sizeof(struct raw1394_request)) {
buffer = raw1394_compat_write(buffer);
- if (IS_ERR(buffer))
- return PTR_ERR(buffer);
+ if (IS_ERR((__force void *)buffer))
+ return PTR_ERR((__force void *)buffer);
} else
#endif
if (count != sizeof(struct raw1394_request)) {
@@ -2978,7 +2982,7 @@ static int raw1394_release(struct inode *inode, struct file *file)
* Export information about protocols/devices supported by this driver.
*/
#ifdef MODULE
-static struct ieee1394_device_id raw1394_id_table[] = {
+static const struct ieee1394_device_id raw1394_id_table[] = {
{
.match_flags = IEEE1394_MATCH_SPECIFIER_ID | IEEE1394_MATCH_VERSION,
.specifier_id = AVC_UNIT_SPEC_ID_ENTRY & 0xffffff,
diff --git a/drivers/ieee1394/sbp2.c b/drivers/ieee1394/sbp2.c
index f3fd8657ce4..a51ab233342 100644
--- a/drivers/ieee1394/sbp2.c
+++ b/drivers/ieee1394/sbp2.c
@@ -265,7 +265,7 @@ static struct hpsb_highlevel sbp2_highlevel = {
.host_reset = sbp2_host_reset,
};
-const static struct hpsb_address_ops sbp2_ops = {
+static const struct hpsb_address_ops sbp2_ops = {
.write = sbp2_handle_status_write
};
@@ -275,7 +275,7 @@ static int sbp2_handle_physdma_write(struct hpsb_host *, int, int, quadlet_t *,
static int sbp2_handle_physdma_read(struct hpsb_host *, int, quadlet_t *, u64,
size_t, u16);
-const static struct hpsb_address_ops sbp2_physdma_ops = {
+static const struct hpsb_address_ops sbp2_physdma_ops = {
.read = sbp2_handle_physdma_read,
.write = sbp2_handle_physdma_write,
};
@@ -285,7 +285,7 @@ const static struct hpsb_address_ops sbp2_physdma_ops = {
/*
* Interface to driver core and IEEE 1394 core
*/
-static struct ieee1394_device_id sbp2_id_table[] = {
+static const struct ieee1394_device_id sbp2_id_table[] = {
{
.match_flags = IEEE1394_MATCH_SPECIFIER_ID | IEEE1394_MATCH_VERSION,
.specifier_id = SBP2_UNIT_SPEC_ID_ENTRY & 0xffffff,
@@ -1413,8 +1413,7 @@ static void sbp2_parse_unit_directory(struct sbp2_lu *lu,
"(firmware_revision 0x%06x, vendor_id 0x%06x,"
" model_id 0x%06x)",
NODE_BUS_ARGS(ud->ne->host, ud->ne->nodeid),
- workarounds, firmware_revision,
- ud->vendor_id ? ud->vendor_id : ud->ne->vendor_id,
+ workarounds, firmware_revision, ud->vendor_id,
model);
/* We would need one SCSI host template for each target to adjust
diff --git a/drivers/ieee1394/video1394.c b/drivers/ieee1394/video1394.c
index 679a918a5cc..d287ba79821 100644
--- a/drivers/ieee1394/video1394.c
+++ b/drivers/ieee1394/video1394.c
@@ -1294,7 +1294,7 @@ static const struct file_operations video1394_fops=
* Export information about protocols/devices supported by this driver.
*/
#ifdef MODULE
-static struct ieee1394_device_id video1394_id_table[] = {
+static const struct ieee1394_device_id video1394_id_table[] = {
{
.match_flags = IEEE1394_MATCH_SPECIFIER_ID | IEEE1394_MATCH_VERSION,
.specifier_id = CAMERA_UNIT_SPEC_ID_ENTRY & 0xffffff,
diff --git a/drivers/infiniband/hw/nes/nes_nic.c b/drivers/infiniband/hw/nes/nes_nic.c
index 8d3e4c6f237..ecb1f6fd627 100644
--- a/drivers/infiniband/hw/nes/nes_nic.c
+++ b/drivers/infiniband/hw/nes/nes_nic.c
@@ -1602,8 +1602,6 @@ struct net_device *nes_netdev_init(struct nes_device *nesdev,
netif_napi_add(netdev, &nesvnic->napi, nes_netdev_poll, 128);
nes_debug(NES_DBG_INIT, "Enabling VLAN Insert/Delete.\n");
netdev->features |= NETIF_F_HW_VLAN_TX | NETIF_F_HW_VLAN_RX;
- netdev->vlan_rx_register = nes_netdev_vlan_rx_register;
- netdev->features |= NETIF_F_LLTX;
/* Fill in the port structure */
nesvnic->netdev = netdev;
diff --git a/drivers/media/dvb/firewire/firedtv-avc.c b/drivers/media/dvb/firewire/firedtv-avc.c
index b55d9ccaf33..32526f103b5 100644
--- a/drivers/media/dvb/firewire/firedtv-avc.c
+++ b/drivers/media/dvb/firewire/firedtv-avc.c
@@ -115,7 +115,7 @@ static const char *debug_fcp_ctype(unsigned int ctype)
}
static const char *debug_fcp_opcode(unsigned int opcode,
- const u8 *data, size_t length)
+ const u8 *data, int length)
{
switch (opcode) {
case AVC_OPCODE_VENDOR: break;
@@ -135,13 +135,14 @@ static const char *debug_fcp_opcode(unsigned int opcode,
case SFE_VENDOR_OPCODE_REGISTER_REMOTE_CONTROL: return "RegisterRC";
case SFE_VENDOR_OPCODE_LNB_CONTROL: return "LNBControl";
case SFE_VENDOR_OPCODE_TUNE_QPSK: return "TuneQPSK";
+ case SFE_VENDOR_OPCODE_TUNE_QPSK2: return "TuneQPSK2";
case SFE_VENDOR_OPCODE_HOST2CA: return "Host2CA";
case SFE_VENDOR_OPCODE_CA2HOST: return "CA2Host";
}
return "Vendor";
}
-static void debug_fcp(const u8 *data, size_t length)
+static void debug_fcp(const u8 *data, int length)
{
unsigned int subunit_type, subunit_id, op;
const char *prefix = data[0] > 7 ? "FCP <- " : "FCP -> ";
@@ -266,7 +267,10 @@ static void avc_tuner_tuneqpsk(struct firedtv *fdtv,
c->operand[0] = SFE_VENDOR_DE_COMPANYID_0;
c->operand[1] = SFE_VENDOR_DE_COMPANYID_1;
c->operand[2] = SFE_VENDOR_DE_COMPANYID_2;
- c->operand[3] = SFE_VENDOR_OPCODE_TUNE_QPSK;
+ if (fdtv->type == FIREDTV_DVB_S2)
+ c->operand[3] = SFE_VENDOR_OPCODE_TUNE_QPSK2;
+ else
+ c->operand[3] = SFE_VENDOR_OPCODE_TUNE_QPSK;
c->operand[4] = (params->frequency >> 24) & 0xff;
c->operand[5] = (params->frequency >> 16) & 0xff;
diff --git a/drivers/mtd/mtdsuper.c b/drivers/mtd/mtdsuper.c
index 00d46e137b2..92285d0089c 100644
--- a/drivers/mtd/mtdsuper.c
+++ b/drivers/mtd/mtdsuper.c
@@ -81,13 +81,16 @@ static int get_sb_mtd_aux(struct file_system_type *fs_type, int flags,
/* go */
sb->s_flags |= MS_ACTIVE;
- return simple_set_mnt(mnt, sb);
+ simple_set_mnt(mnt, sb);
+
+ return 0;
/* new mountpoint for an already mounted superblock */
already_mounted:
DEBUG(1, "MTDSB: Device %d (\"%s\") is already mounted\n",
mtd->index, mtd->name);
- ret = simple_set_mnt(mnt, sb);
+ simple_set_mnt(mnt, sb);
+ ret = 0;
goto out_put;
out_error:
diff --git a/drivers/net/3c503.c b/drivers/net/3c503.c
index 5b91a85fe10..4f08bd99583 100644
--- a/drivers/net/3c503.c
+++ b/drivers/net/3c503.c
@@ -353,9 +353,6 @@ el2_probe1(struct net_device *dev, int ioaddr)
dev->netdev_ops = &el2_netdev_ops;
dev->ethtool_ops = &netdev_ethtool_ops;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- dev->poll_controller = eip_poll;
-#endif
retval = register_netdev(dev);
if (retval)
diff --git a/drivers/net/Kconfig b/drivers/net/Kconfig
index e5ffc1c606c..f062b424704 100644
--- a/drivers/net/Kconfig
+++ b/drivers/net/Kconfig
@@ -972,6 +972,14 @@ config ENC28J60_WRITEVERIFY
Enable the verify after the buffer write useful for debugging purpose.
If unsure, say N.
+config ETHOC
+ tristate "OpenCores 10/100 Mbps Ethernet MAC support"
+ depends on NET_ETHERNET
+ select MII
+ select PHYLIB
+ help
+ Say Y here if you want to use the OpenCores 10/100 Mbps Ethernet MAC.
+
config SMC911X
tristate "SMSC LAN911[5678] support"
select CRC32
diff --git a/drivers/net/Makefile b/drivers/net/Makefile
index 758ecdf4c82..98409c9dd44 100644
--- a/drivers/net/Makefile
+++ b/drivers/net/Makefile
@@ -230,6 +230,7 @@ obj-$(CONFIG_PASEMI_MAC) += pasemi_mac_driver.o
pasemi_mac_driver-objs := pasemi_mac.o pasemi_mac_ethtool.o
obj-$(CONFIG_MLX4_CORE) += mlx4/
obj-$(CONFIG_ENC28J60) += enc28j60.o
+obj-$(CONFIG_ETHOC) += ethoc.o
obj-$(CONFIG_XTENSA_XT2000_SONIC) += xtsonic.o
diff --git a/drivers/net/ac3200.c b/drivers/net/ac3200.c
index 071a851a2ea..eac73382c08 100644
--- a/drivers/net/ac3200.c
+++ b/drivers/net/ac3200.c
@@ -143,6 +143,22 @@ out:
}
#endif
+static const struct net_device_ops ac_netdev_ops = {
+ .ndo_open = ac_open,
+ .ndo_stop = ac_close_card,
+
+ .ndo_start_xmit = ei_start_xmit,
+ .ndo_tx_timeout = ei_tx_timeout,
+ .ndo_get_stats = ei_get_stats,
+ .ndo_set_multicast_list = ei_set_multicast_list,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_change_mtu = eth_change_mtu,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = ei_poll,
+#endif
+};
+
static int __init ac_probe1(int ioaddr, struct net_device *dev)
{
int i, retval;
@@ -253,11 +269,7 @@ static int __init ac_probe1(int ioaddr, struct net_device *dev)
ei_status.block_output = &ac_block_output;
ei_status.get_8390_hdr = &ac_get_8390_hdr;
- dev->open = &ac_open;
- dev->stop = &ac_close_card;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- dev->poll_controller = ei_poll;
-#endif
+ dev->netdev_ops = &ac_netdev_ops;
NS8390_init(dev, 0);
retval = register_netdev(dev);
diff --git a/drivers/net/appletalk/cops.c b/drivers/net/appletalk/cops.c
index 54819a34ba0..7f832541980 100644
--- a/drivers/net/appletalk/cops.c
+++ b/drivers/net/appletalk/cops.c
@@ -171,7 +171,6 @@ static unsigned int cops_debug = COPS_DEBUG;
struct cops_local
{
- struct net_device_stats stats;
int board; /* Holds what board type is. */
int nodeid; /* Set to 1 once have nodeid. */
unsigned char node_acquire; /* Node ID when acquired. */
@@ -197,7 +196,6 @@ static int cops_send_packet (struct sk_buff *skb, struct net_device *dev);
static void set_multicast_list (struct net_device *dev);
static int cops_ioctl (struct net_device *dev, struct ifreq *rq, int cmd);
static int cops_close (struct net_device *dev);
-static struct net_device_stats *cops_get_stats (struct net_device *dev);
static void cleanup_card(struct net_device *dev)
{
@@ -260,6 +258,15 @@ out:
return ERR_PTR(err);
}
+static const struct net_device_ops cops_netdev_ops = {
+ .ndo_open = cops_open,
+ .ndo_stop = cops_close,
+ .ndo_start_xmit = cops_send_packet,
+ .ndo_tx_timeout = cops_timeout,
+ .ndo_do_ioctl = cops_ioctl,
+ .ndo_set_multicast_list = set_multicast_list,
+};
+
/*
* This is the real probe routine. Linux has a history of friendly device
* probes on the ISA bus. A good device probes avoids doing writes, and
@@ -333,16 +340,9 @@ static int __init cops_probe1(struct net_device *dev, int ioaddr)
/* Copy local board variable to lp struct. */
lp->board = board;
- dev->hard_start_xmit = cops_send_packet;
- dev->tx_timeout = cops_timeout;
+ dev->netdev_ops = &cops_netdev_ops;
dev->watchdog_timeo = HZ * 2;
- dev->get_stats = cops_get_stats;
- dev->open = cops_open;
- dev->stop = cops_close;
- dev->do_ioctl = cops_ioctl;
- dev->set_multicast_list = set_multicast_list;
- dev->mc_list = NULL;
/* Tell the user where the card is and what mode we're in. */
if(board==DAYNA)
@@ -797,7 +797,7 @@ static void cops_rx(struct net_device *dev)
{
printk(KERN_WARNING "%s: Memory squeeze, dropping packet.\n",
dev->name);
- lp->stats.rx_dropped++;
+ dev->stats.rx_dropped++;
while(pkt_len--) /* Discard packet */
inb(ioaddr);
spin_unlock_irqrestore(&lp->lock, flags);
@@ -819,7 +819,7 @@ static void cops_rx(struct net_device *dev)
{
printk(KERN_WARNING "%s: Bad packet length of %d bytes.\n",
dev->name, pkt_len);
- lp->stats.tx_errors++;
+ dev->stats.tx_errors++;
dev_kfree_skb_any(skb);
return;
}
@@ -836,7 +836,7 @@ static void cops_rx(struct net_device *dev)
if(rsp_type != LAP_RESPONSE)
{
printk(KERN_WARNING "%s: Bad packet type %d.\n", dev->name, rsp_type);
- lp->stats.tx_errors++;
+ dev->stats.tx_errors++;
dev_kfree_skb_any(skb);
return;
}
@@ -846,8 +846,8 @@ static void cops_rx(struct net_device *dev)
skb_reset_transport_header(skb); /* Point to data (Skip header). */
/* Update the counters. */
- lp->stats.rx_packets++;
- lp->stats.rx_bytes += skb->len;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += skb->len;
/* Send packet to a higher place. */
netif_rx(skb);
@@ -858,7 +858,7 @@ static void cops_timeout(struct net_device *dev)
struct cops_local *lp = netdev_priv(dev);
int ioaddr = dev->base_addr;
- lp->stats.tx_errors++;
+ dev->stats.tx_errors++;
if(lp->board==TANGENT)
{
if((inb(ioaddr+TANG_CARD_STATUS)&TANG_TX_READY)==0)
@@ -916,8 +916,8 @@ static int cops_send_packet(struct sk_buff *skb, struct net_device *dev)
spin_unlock_irqrestore(&lp->lock, flags); /* Restore interrupts. */
/* Done sending packet, update counters and cleanup. */
- lp->stats.tx_packets++;
- lp->stats.tx_bytes += skb->len;
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += skb->len;
dev->trans_start = jiffies;
dev_kfree_skb (skb);
return 0;
@@ -986,15 +986,6 @@ static int cops_close(struct net_device *dev)
return 0;
}
-/*
- * Get the current statistics.
- * This may be called with the card open or closed.
- */
-static struct net_device_stats *cops_get_stats(struct net_device *dev)
-{
- struct cops_local *lp = netdev_priv(dev);
- return &lp->stats;
-}
#ifdef MODULE
static struct net_device *cops_dev;
diff --git a/drivers/net/appletalk/ltpc.c b/drivers/net/appletalk/ltpc.c
index dc4d4960560..78cc7146913 100644
--- a/drivers/net/appletalk/ltpc.c
+++ b/drivers/net/appletalk/ltpc.c
@@ -261,7 +261,6 @@ static unsigned char *ltdmacbuf;
struct ltpc_private
{
- struct net_device_stats stats;
struct atalk_addr my_addr;
};
@@ -699,7 +698,6 @@ static int do_read(struct net_device *dev, void *cbuf, int cbuflen,
static struct timer_list ltpc_timer;
static int ltpc_xmit(struct sk_buff *skb, struct net_device *dev);
-static struct net_device_stats *ltpc_get_stats(struct net_device *dev);
static int read_30 ( struct net_device *dev)
{
@@ -726,8 +724,6 @@ static int sendup_buffer (struct net_device *dev)
int dnode, snode, llaptype, len;
int sklen;
struct sk_buff *skb;
- struct ltpc_private *ltpc_priv = netdev_priv(dev);
- struct net_device_stats *stats = &ltpc_priv->stats;
struct lt_rcvlap *ltc = (struct lt_rcvlap *) ltdmacbuf;
if (ltc->command != LT_RCVLAP) {
@@ -779,8 +775,8 @@ static int sendup_buffer (struct net_device *dev)
skb_reset_transport_header(skb);
- stats->rx_packets++;
- stats->rx_bytes+=skb->len;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += skb->len;
/* toss it onwards */
netif_rx(skb);
@@ -904,10 +900,6 @@ static int ltpc_xmit(struct sk_buff *skb, struct net_device *dev)
/* in kernel 1.3.xx, on entry skb->data points to ddp header,
* and skb->len is the length of the ddp data + ddp header
*/
-
- struct ltpc_private *ltpc_priv = netdev_priv(dev);
- struct net_device_stats *stats = &ltpc_priv->stats;
-
int i;
struct lt_sendlap cbuf;
unsigned char *hdr;
@@ -936,20 +928,13 @@ static int ltpc_xmit(struct sk_buff *skb, struct net_device *dev)
printk("\n");
}
- stats->tx_packets++;
- stats->tx_bytes+=skb->len;
+ dev->stats.tx_packets++;
+ dev->stats.tx_bytes += skb->len;
dev_kfree_skb(skb);
return 0;
}
-static struct net_device_stats *ltpc_get_stats(struct net_device *dev)
-{
- struct ltpc_private *ltpc_priv = netdev_priv(dev);
- struct net_device_stats *stats = &ltpc_priv->stats;
- return stats;
-}
-
/* initialization stuff */
static int __init ltpc_probe_dma(int base, int dma)
@@ -1027,6 +1012,12 @@ static int __init ltpc_probe_dma(int base, int dma)
return (want & 2) ? 3 : 1;
}
+static const struct net_device_ops ltpc_netdev = {
+ .ndo_start_xmit = ltpc_xmit,
+ .ndo_do_ioctl = ltpc_ioctl,
+ .ndo_set_multicast_list = set_multicast_list,
+};
+
struct net_device * __init ltpc_probe(void)
{
struct net_device *dev;
@@ -1133,14 +1124,7 @@ struct net_device * __init ltpc_probe(void)
else
printk(KERN_INFO "Apple/Farallon LocalTalk-PC card at %03x, DMA%d. Using polled mode.\n",io,dma);
- /* Fill in the fields of the device structure with ethernet-generic values. */
- dev->hard_start_xmit = ltpc_xmit;
- dev->get_stats = ltpc_get_stats;
-
- /* add the ltpc-specific things */
- dev->do_ioctl = &ltpc_ioctl;
-
- dev->set_multicast_list = &set_multicast_list;
+ dev->netdev_ops = &ltpc_netdev;
dev->mc_list = NULL;
dev->base_addr = io;
dev->irq = irq;
diff --git a/drivers/net/at1700.c b/drivers/net/at1700.c
index ced70799b89..18b566ad4fd 100644
--- a/drivers/net/at1700.c
+++ b/drivers/net/at1700.c
@@ -249,6 +249,17 @@ out:
return ERR_PTR(err);
}
+static const struct net_device_ops at1700_netdev_ops = {
+ .ndo_open = net_open,
+ .ndo_stop = net_close,
+ .ndo_start_xmit = net_send_packet,
+ .ndo_set_multicast_list = set_rx_mode,
+ .ndo_tx_timeout = net_tx_timeout,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
/* The Fujitsu datasheet suggests that the NIC be probed for by checking its
"signature", the default bit pattern after a reset. This *doesn't* work --
there is no way to reset the bus interface without a complete power-cycle!
@@ -448,13 +459,7 @@ found:
if (net_debug)
printk(version);
- memset(lp, 0, sizeof(struct net_local));
-
- dev->open = net_open;
- dev->stop = net_close;
- dev->hard_start_xmit = net_send_packet;
- dev->set_multicast_list = &set_rx_mode;
- dev->tx_timeout = net_tx_timeout;
+ dev->netdev_ops = &at1700_netdev_ops;
dev->watchdog_timeo = TX_TIMEOUT;
spin_lock_init(&lp->lock);
diff --git a/drivers/net/benet/be_main.c b/drivers/net/benet/be_main.c
index f901fee79a2..9b75aa63006 100644
--- a/drivers/net/benet/be_main.c
+++ b/drivers/net/benet/be_main.c
@@ -16,6 +16,7 @@
*/
#include "be.h"
+#include <asm/div64.h>
MODULE_VERSION(DRV_VER);
MODULE_DEVICE_TABLE(pci, be_dev_ids);
@@ -290,6 +291,17 @@ static struct net_device_stats *be_get_stats(struct net_device *dev)
return &adapter->stats.net_stats;
}
+static u32 be_calc_rate(u64 bytes, unsigned long ticks)
+{
+ u64 rate = bytes;
+
+ do_div(rate, ticks / HZ);
+ rate <<= 3; /* bytes/sec -> bits/sec */
+ do_div(rate, 1000000ul); /* MB/Sec */
+
+ return rate;
+}
+
static void be_tx_rate_update(struct be_adapter *adapter)
{
struct be_drvr_stats *stats = drvr_stats(adapter);
@@ -303,11 +315,9 @@ static void be_tx_rate_update(struct be_adapter *adapter)
/* Update tx rate once in two seconds */
if ((now - stats->be_tx_jiffies) > 2 * HZ) {
- u32 r;
- r = (stats->be_tx_bytes - stats->be_tx_bytes_prev) /
- ((now - stats->be_tx_jiffies) / HZ);
- r = r / 1000000; /* M bytes/s */
- stats->be_tx_rate = r * 8; /* M bits/s */
+ stats->be_tx_rate = be_calc_rate(stats->be_tx_bytes
+ - stats->be_tx_bytes_prev,
+ now - stats->be_tx_jiffies);
stats->be_tx_jiffies = now;
stats->be_tx_bytes_prev = stats->be_tx_bytes;
}
@@ -599,7 +609,6 @@ static void be_rx_rate_update(struct be_adapter *adapter)
{
struct be_drvr_stats *stats = drvr_stats(adapter);
ulong now = jiffies;
- u32 rate;
/* Wrapped around */
if (time_before(now, stats->be_rx_jiffies)) {
@@ -611,10 +620,9 @@ static void be_rx_rate_update(struct be_adapter *adapter)
if ((now - stats->be_rx_jiffies) < 2 * HZ)
return;
- rate = (stats->be_rx_bytes - stats->be_rx_bytes_prev) /
- ((now - stats->be_rx_jiffies) / HZ);
- rate = rate / 1000000; /* MB/Sec */
- stats->be_rx_rate = rate * 8; /* Mega Bits/Sec */
+ stats->be_rx_rate = be_calc_rate(stats->be_rx_bytes
+ - stats->be_rx_bytes_prev,
+ now - stats->be_rx_jiffies);
stats->be_rx_jiffies = now;
stats->be_rx_bytes_prev = stats->be_rx_bytes;
}
diff --git a/drivers/net/cs89x0.c b/drivers/net/cs89x0.c
index ff6497658a4..7433b88eed7 100644
--- a/drivers/net/cs89x0.c
+++ b/drivers/net/cs89x0.c
@@ -501,6 +501,21 @@ static void net_poll_controller(struct net_device *dev)
}
#endif
+static const struct net_device_ops net_ops = {
+ .ndo_open = net_open,
+ .ndo_stop = net_close,
+ .ndo_tx_timeout = net_timeout,
+ .ndo_start_xmit = net_send_packet,
+ .ndo_get_stats = net_get_stats,
+ .ndo_set_multicast_list = set_multicast_list,
+ .ndo_set_mac_address = set_mac_address,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = net_poll_controller,
+#endif
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
/* This is the real probe routine. Linux has a history of friendly device
probes on the ISA bus. A good device probes avoids doing writes, and
verifies that the correct device exists and functions.
@@ -843,17 +858,8 @@ cs89x0_probe1(struct net_device *dev, int ioaddr, int modular)
/* print the ethernet address. */
printk(", MAC %pM", dev->dev_addr);
- dev->open = net_open;
- dev->stop = net_close;
- dev->tx_timeout = net_timeout;
- dev->watchdog_timeo = HZ;
- dev->hard_start_xmit = net_send_packet;
- dev->get_stats = net_get_stats;
- dev->set_multicast_list = set_multicast_list;
- dev->set_mac_address = set_mac_address;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- dev->poll_controller = net_poll_controller;
-#endif
+ dev->netdev_ops = &net_ops;
+ dev->watchdog_timeo = HZ;
printk("\n");
if (net_debug)
diff --git a/drivers/net/cxgb3/adapter.h b/drivers/net/cxgb3/adapter.h
index 71eaa431371..714df2b675e 100644
--- a/drivers/net/cxgb3/adapter.h
+++ b/drivers/net/cxgb3/adapter.h
@@ -85,6 +85,8 @@ struct fl_pg_chunk {
struct page *page;
void *va;
unsigned int offset;
+ u64 *p_cnt;
+ DECLARE_PCI_UNMAP_ADDR(mapping);
};
struct rx_desc;
@@ -101,6 +103,7 @@ struct sge_fl { /* SGE per free-buffer list state */
struct fl_pg_chunk pg_chunk;/* page chunk cache */
unsigned int use_pages; /* whether FL uses pages or sk_buffs */
unsigned int order; /* order of page allocations */
+ unsigned int alloc_size; /* size of allocated buffer */
struct rx_desc *desc; /* address of HW Rx descriptor ring */
struct rx_sw_desc *sdesc; /* address of SW Rx descriptor ring */
dma_addr_t phys_addr; /* physical address of HW ring start */
@@ -291,6 +294,7 @@ void t3_os_link_fault_handler(struct adapter *adapter, int port_id);
void t3_sge_start(struct adapter *adap);
void t3_sge_stop(struct adapter *adap);
+void t3_start_sge_timers(struct adapter *adap);
void t3_stop_sge_timers(struct adapter *adap);
void t3_free_sge_resources(struct adapter *adap);
void t3_sge_err_intr_handler(struct adapter *adapter);
diff --git a/drivers/net/cxgb3/common.h b/drivers/net/cxgb3/common.h
index 9ee021e750c..e508dc32f3e 100644
--- a/drivers/net/cxgb3/common.h
+++ b/drivers/net/cxgb3/common.h
@@ -191,7 +191,8 @@ struct mdio_ops {
};
struct adapter_info {
- unsigned char nports; /* # of ports */
+ unsigned char nports0; /* # of ports on channel 0 */
+ unsigned char nports1; /* # of ports on channel 1 */
unsigned char phy_base_addr; /* MDIO PHY base address */
unsigned int gpio_out; /* GPIO output settings */
unsigned char gpio_intr[MAX_NPORTS]; /* GPIO PHY IRQ pins */
@@ -422,6 +423,7 @@ struct adapter_params {
unsigned short b_wnd[NCCTRL_WIN];
unsigned int nports; /* # of ethernet ports */
+ unsigned int chan_map; /* bitmap of in-use Tx channels */
unsigned int stats_update_period; /* MAC stats accumulation period */
unsigned int linkpoll_period; /* link poll period in 0.1s */
unsigned int rev; /* chip revision */
diff --git a/drivers/net/cxgb3/cxgb3_main.c b/drivers/net/cxgb3/cxgb3_main.c
index d8be89621bf..2c2aaa74145 100644
--- a/drivers/net/cxgb3/cxgb3_main.c
+++ b/drivers/net/cxgb3/cxgb3_main.c
@@ -602,7 +602,6 @@ static int setup_sge_qsets(struct adapter *adap)
&adap->params.sge.qset[qset_idx], ntxq, dev,
netdev_get_tx_queue(dev, j));
if (err) {
- t3_stop_sge_timers(adap);
t3_free_sge_resources(adap);
return err;
}
@@ -1046,6 +1045,8 @@ static int cxgb_up(struct adapter *adap)
setup_rss(adap);
if (!(adap->flags & NAPI_INIT))
init_napi(adap);
+
+ t3_start_sge_timers(adap);
adap->flags |= FULL_INIT_DONE;
}
@@ -2870,6 +2871,9 @@ static void t3_io_resume(struct pci_dev *pdev)
{
struct adapter *adapter = pci_get_drvdata(pdev);
+ CH_ALERT(adapter, "adapter recovering, PEX ERR 0x%x\n",
+ t3_read_reg(adapter, A_PCIE_PEX_ERR));
+
t3_resume_ports(adapter);
}
@@ -3002,7 +3006,7 @@ static int __devinit init_one(struct pci_dev *pdev,
static int version_printed;
int i, err, pci_using_dac = 0;
- unsigned long mmio_start, mmio_len;
+ resource_size_t mmio_start, mmio_len;
const struct adapter_info *ai;
struct adapter *adapter = NULL;
struct port_info *pi;
@@ -3082,7 +3086,7 @@ static int __devinit init_one(struct pci_dev *pdev,
INIT_WORK(&adapter->fatal_error_handler_task, fatal_error_task);
INIT_DELAYED_WORK(&adapter->adap_check_task, t3_adap_check_task);
- for (i = 0; i < ai->nports; ++i) {
+ for (i = 0; i < ai->nports0 + ai->nports1; ++i) {
struct net_device *netdev;
netdev = alloc_etherdev_mq(sizeof(struct port_info), SGE_QSETS);
@@ -3172,7 +3176,7 @@ static int __devinit init_one(struct pci_dev *pdev,
out_free_dev:
iounmap(adapter->regs);
- for (i = ai->nports - 1; i >= 0; --i)
+ for (i = ai->nports0 + ai->nports1 - 1; i >= 0; --i)
if (adapter->port[i])
free_netdev(adapter->port[i]);
diff --git a/drivers/net/cxgb3/sge.c b/drivers/net/cxgb3/sge.c
index a7555cb3fa4..26d3587f339 100644
--- a/drivers/net/cxgb3/sge.c
+++ b/drivers/net/cxgb3/sge.c
@@ -50,6 +50,7 @@
#define SGE_RX_COPY_THRES 256
#define SGE_RX_PULL_LEN 128
+#define SGE_PG_RSVD SMP_CACHE_BYTES
/*
* Page chunk size for FL0 buffers if FL0 is to be populated with page chunks.
* It must be a divisor of PAGE_SIZE. If set to 0 FL0 will use sk_buffs
@@ -57,8 +58,10 @@
*/
#define FL0_PG_CHUNK_SIZE 2048
#define FL0_PG_ORDER 0
+#define FL0_PG_ALLOC_SIZE (PAGE_SIZE << FL0_PG_ORDER)
#define FL1_PG_CHUNK_SIZE (PAGE_SIZE > 8192 ? 16384 : 8192)
#define FL1_PG_ORDER (PAGE_SIZE > 8192 ? 0 : 1)
+#define FL1_PG_ALLOC_SIZE (PAGE_SIZE << FL1_PG_ORDER)
#define SGE_RX_DROP_THRES 16
#define RX_RECLAIM_PERIOD (HZ/4)
@@ -345,13 +348,21 @@ static inline int should_restart_tx(const struct sge_txq *q)
return q->in_use - r < (q->size >> 1);
}
-static void clear_rx_desc(const struct sge_fl *q, struct rx_sw_desc *d)
+static void clear_rx_desc(struct pci_dev *pdev, const struct sge_fl *q,
+ struct rx_sw_desc *d)
{
- if (q->use_pages) {
- if (d->pg_chunk.page)
- put_page(d->pg_chunk.page);
+ if (q->use_pages && d->pg_chunk.page) {
+ (*d->pg_chunk.p_cnt)--;
+ if (!*d->pg_chunk.p_cnt)
+ pci_unmap_page(pdev,
+ pci_unmap_addr(&d->pg_chunk, mapping),
+ q->alloc_size, PCI_DMA_FROMDEVICE);
+
+ put_page(d->pg_chunk.page);
d->pg_chunk.page = NULL;
} else {
+ pci_unmap_single(pdev, pci_unmap_addr(d, dma_addr),
+ q->buf_size, PCI_DMA_FROMDEVICE);
kfree_skb(d->skb);
d->skb = NULL;
}
@@ -372,9 +383,8 @@ static void free_rx_bufs(struct pci_dev *pdev, struct sge_fl *q)
while (q->credits--) {
struct rx_sw_desc *d = &q->sdesc[cidx];
- pci_unmap_single(pdev, pci_unmap_addr(d, dma_addr),
- q->buf_size, PCI_DMA_FROMDEVICE);
- clear_rx_desc(q, d);
+
+ clear_rx_desc(pdev, q, d);
if (++cidx == q->size)
cidx = 0;
}
@@ -417,18 +427,39 @@ static inline int add_one_rx_buf(void *va, unsigned int len,
return 0;
}
-static int alloc_pg_chunk(struct sge_fl *q, struct rx_sw_desc *sd, gfp_t gfp,
+static inline int add_one_rx_chunk(dma_addr_t mapping, struct rx_desc *d,
+ unsigned int gen)
+{
+ d->addr_lo = cpu_to_be32(mapping);
+ d->addr_hi = cpu_to_be32((u64) mapping >> 32);
+ wmb();
+ d->len_gen = cpu_to_be32(V_FLD_GEN1(gen));
+ d->gen2 = cpu_to_be32(V_FLD_GEN2(gen));
+ return 0;
+}
+
+static int alloc_pg_chunk(struct adapter *adapter, struct sge_fl *q,
+ struct rx_sw_desc *sd, gfp_t gfp,
unsigned int order)
{
if (!q->pg_chunk.page) {
+ dma_addr_t mapping;
+
q->pg_chunk.page = alloc_pages(gfp, order);
if (unlikely(!q->pg_chunk.page))
return -ENOMEM;
q->pg_chunk.va = page_address(q->pg_chunk.page);
+ q->pg_chunk.p_cnt = q->pg_chunk.va + (PAGE_SIZE << order) -
+ SGE_PG_RSVD;
q->pg_chunk.offset = 0;
+ mapping = pci_map_page(adapter->pdev, q->pg_chunk.page,
+ 0, q->alloc_size, PCI_DMA_FROMDEVICE);
+ pci_unmap_addr_set(&q->pg_chunk, mapping, mapping);
}
sd->pg_chunk = q->pg_chunk;
+ prefetch(sd->pg_chunk.p_cnt);
+
q->pg_chunk.offset += q->buf_size;
if (q->pg_chunk.offset == (PAGE_SIZE << order))
q->pg_chunk.page = NULL;
@@ -436,6 +467,12 @@ static int alloc_pg_chunk(struct sge_fl *q, struct rx_sw_desc *sd, gfp_t gfp,
q->pg_chunk.va += q->buf_size;
get_page(q->pg_chunk.page);
}
+
+ if (sd->pg_chunk.offset == 0)
+ *sd->pg_chunk.p_cnt = 1;
+ else
+ *sd->pg_chunk.p_cnt += 1;
+
return 0;
}
@@ -460,35 +497,43 @@ static inline void ring_fl_db(struct adapter *adap, struct sge_fl *q)
*/
static int refill_fl(struct adapter *adap, struct sge_fl *q, int n, gfp_t gfp)
{
- void *buf_start;
struct rx_sw_desc *sd = &q->sdesc[q->pidx];
struct rx_desc *d = &q->desc[q->pidx];
unsigned int count = 0;
while (n--) {
+ dma_addr_t mapping;
int err;
if (q->use_pages) {
- if (unlikely(alloc_pg_chunk(q, sd, gfp, q->order))) {
+ if (unlikely(alloc_pg_chunk(adap, q, sd, gfp,
+ q->order))) {
nomem: q->alloc_failed++;
break;
}
- buf_start = sd->pg_chunk.va;
+ mapping = pci_unmap_addr(&sd->pg_chunk, mapping) +
+ sd->pg_chunk.offset;
+ pci_unmap_addr_set(sd, dma_addr, mapping);
+
+ add_one_rx_chunk(mapping, d, q->gen);
+ pci_dma_sync_single_for_device(adap->pdev, mapping,
+ q->buf_size - SGE_PG_RSVD,
+ PCI_DMA_FROMDEVICE);
} else {
- struct sk_buff *skb = alloc_skb(q->buf_size, gfp);
+ void *buf_start;
+ struct sk_buff *skb = alloc_skb(q->buf_size, gfp);
if (!skb)
goto nomem;
sd->skb = skb;
buf_start = skb->data;
- }
-
- err = add_one_rx_buf(buf_start, q->buf_size, d, sd, q->gen,
- adap->pdev);
- if (unlikely(err)) {
- clear_rx_desc(q, sd);
- break;
+ err = add_one_rx_buf(buf_start, q->buf_size, d, sd,
+ q->gen, adap->pdev);
+ if (unlikely(err)) {
+ clear_rx_desc(adap->pdev, q, sd);
+ break;
+ }
}
d++;
@@ -795,19 +840,19 @@ static struct sk_buff *get_packet_pg(struct adapter *adap, struct sge_fl *fl,
struct sk_buff *newskb, *skb;
struct rx_sw_desc *sd = &fl->sdesc[fl->cidx];
- newskb = skb = q->pg_skb;
+ dma_addr_t dma_addr = pci_unmap_addr(sd, dma_addr);
+ newskb = skb = q->pg_skb;
if (!skb && (len <= SGE_RX_COPY_THRES)) {
newskb = alloc_skb(len, GFP_ATOMIC);
if (likely(newskb != NULL)) {
__skb_put(newskb, len);
- pci_dma_sync_single_for_cpu(adap->pdev,
- pci_unmap_addr(sd, dma_addr), len,
+ pci_dma_sync_single_for_cpu(adap->pdev, dma_addr, len,
PCI_DMA_FROMDEVICE);
memcpy(newskb->data, sd->pg_chunk.va, len);
- pci_dma_sync_single_for_device(adap->pdev,
- pci_unmap_addr(sd, dma_addr), len,
- PCI_DMA_FROMDEVICE);
+ pci_dma_sync_single_for_device(adap->pdev, dma_addr,
+ len,
+ PCI_DMA_FROMDEVICE);
} else if (!drop_thres)
return NULL;
recycle:
@@ -820,16 +865,25 @@ recycle:
if (unlikely(q->rx_recycle_buf || (!skb && fl->credits <= drop_thres)))
goto recycle;
+ prefetch(sd->pg_chunk.p_cnt);
+
if (!skb)
newskb = alloc_skb(SGE_RX_PULL_LEN, GFP_ATOMIC);
+
if (unlikely(!newskb)) {
if (!drop_thres)
return NULL;
goto recycle;
}
- pci_unmap_single(adap->pdev, pci_unmap_addr(sd, dma_addr),
- fl->buf_size, PCI_DMA_FROMDEVICE);
+ pci_dma_sync_single_for_cpu(adap->pdev, dma_addr, len,
+ PCI_DMA_FROMDEVICE);
+ (*sd->pg_chunk.p_cnt)--;
+ if (!*sd->pg_chunk.p_cnt)
+ pci_unmap_page(adap->pdev,
+ pci_unmap_addr(&sd->pg_chunk, mapping),
+ fl->alloc_size,
+ PCI_DMA_FROMDEVICE);
if (!skb) {
__skb_put(newskb, SGE_RX_PULL_LEN);
memcpy(newskb->data, sd->pg_chunk.va, SGE_RX_PULL_LEN);
@@ -1089,7 +1143,7 @@ static void write_tx_pkt_wr(struct adapter *adap, struct sk_buff *skb,
struct tx_desc *d = &q->desc[pidx];
struct cpl_tx_pkt *cpl = (struct cpl_tx_pkt *)d;
- cpl->len = htonl(skb->len | 0x80000000);
+ cpl->len = htonl(skb->len);
cntrl = V_TXPKT_INTF(pi->port_id);
if (vlan_tx_tag_present(skb) && pi->vlan_grp)
@@ -1958,8 +2012,8 @@ static void rx_eth(struct adapter *adap, struct sge_rspq *rq,
skb_pull(skb, sizeof(*p) + pad);
skb->protocol = eth_type_trans(skb, adap->port[p->iff]);
pi = netdev_priv(skb->dev);
- if ((pi->rx_offload & T3_RX_CSUM) && p->csum_valid && p->csum == htons(0xffff) &&
- !p->fragment) {
+ if ((pi->rx_offload & T3_RX_CSUM) && p->csum_valid &&
+ p->csum == htons(0xffff) && !p->fragment) {
qs->port_stats[SGE_PSTAT_RX_CSUM_GOOD]++;
skb->ip_summed = CHECKSUM_UNNECESSARY;
} else
@@ -2034,10 +2088,19 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
fl->credits--;
len -= offset;
- pci_unmap_single(adap->pdev, pci_unmap_addr(sd, dma_addr),
- fl->buf_size, PCI_DMA_FROMDEVICE);
+ pci_dma_sync_single_for_cpu(adap->pdev,
+ pci_unmap_addr(sd, dma_addr),
+ fl->buf_size - SGE_PG_RSVD,
+ PCI_DMA_FROMDEVICE);
- prefetch(&qs->lro_frag_tbl);
+ (*sd->pg_chunk.p_cnt)--;
+ if (!*sd->pg_chunk.p_cnt)
+ pci_unmap_page(adap->pdev,
+ pci_unmap_addr(&sd->pg_chunk, mapping),
+ fl->alloc_size,
+ PCI_DMA_FROMDEVICE);
+
+ prefetch(qs->lro_va);
rx_frag += nr_frags;
rx_frag->page = sd->pg_chunk.page;
@@ -2047,6 +2110,7 @@ static void lro_add_page(struct adapter *adap, struct sge_qset *qs,
qs->lro_frag_tbl.nr_frags++;
qs->lro_frag_tbl.len = frag_len;
+
if (!complete)
return;
@@ -2236,6 +2300,8 @@ no_mem:
if (fl->use_pages) {
void *addr = fl->sdesc[fl->cidx].pg_chunk.va;
+ prefetch(&qs->lro_frag_tbl);
+
prefetch(addr);
#if L1_CACHE_BYTES < 128
prefetch(addr + L1_CACHE_BYTES);
@@ -2972,21 +3038,23 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports,
q->fl[1].use_pages = FL1_PG_CHUNK_SIZE > 0;
q->fl[0].order = FL0_PG_ORDER;
q->fl[1].order = FL1_PG_ORDER;
+ q->fl[0].alloc_size = FL0_PG_ALLOC_SIZE;
+ q->fl[1].alloc_size = FL1_PG_ALLOC_SIZE;
spin_lock_irq(&adapter->sge.reg_lock);
/* FL threshold comparison uses < */
ret = t3_sge_init_rspcntxt(adapter, q->rspq.cntxt_id, irq_vec_idx,
q->rspq.phys_addr, q->rspq.size,
- q->fl[0].buf_size, 1, 0);
+ q->fl[0].buf_size - SGE_PG_RSVD, 1, 0);
if (ret)
goto err_unlock;
for (i = 0; i < SGE_RXQ_PER_SET; ++i) {
ret = t3_sge_init_flcntxt(adapter, q->fl[i].cntxt_id, 0,
q->fl[i].phys_addr, q->fl[i].size,
- q->fl[i].buf_size, p->cong_thres, 1,
- 0);
+ q->fl[i].buf_size - SGE_PG_RSVD,
+ p->cong_thres, 1, 0);
if (ret)
goto err_unlock;
}
@@ -3044,9 +3112,6 @@ int t3_sge_alloc_qset(struct adapter *adapter, unsigned int id, int nports,
t3_write_reg(adapter, A_SG_GTS, V_RSPQ(q->rspq.cntxt_id) |
V_NEWTIMER(q->rspq.holdoff_tmr));
- mod_timer(&q->tx_reclaim_timer, jiffies + TX_RECLAIM_PERIOD);
- mod_timer(&q->rx_reclaim_timer, jiffies + RX_RECLAIM_PERIOD);
-
return 0;
err_unlock:
@@ -3057,6 +3122,27 @@ err:
}
/**
+ * t3_start_sge_timers - start SGE timer call backs
+ * @adap: the adapter
+ *
+ * Starts each SGE queue set's timer call back
+ */
+void t3_start_sge_timers(struct adapter *adap)
+{
+ int i;
+
+ for (i = 0; i < SGE_QSETS; ++i) {
+ struct sge_qset *q = &adap->sge.qs[i];
+
+ if (q->tx_reclaim_timer.function)
+ mod_timer(&q->tx_reclaim_timer, jiffies + TX_RECLAIM_PERIOD);
+
+ if (q->rx_reclaim_timer.function)
+ mod_timer(&q->rx_reclaim_timer, jiffies + RX_RECLAIM_PERIOD);
+ }
+}
+
+/**
* t3_stop_sge_timers - stop SGE timer call backs
* @adap: the adapter
*
diff --git a/drivers/net/cxgb3/t3_hw.c b/drivers/net/cxgb3/t3_hw.c
index ff262a04ded..31ed31a3428 100644
--- a/drivers/net/cxgb3/t3_hw.c
+++ b/drivers/net/cxgb3/t3_hw.c
@@ -493,20 +493,20 @@ int t3_phy_lasi_intr_handler(struct cphy *phy)
}
static const struct adapter_info t3_adap_info[] = {
- {2, 0,
+ {1, 1, 0,
F_GPIO2_OEN | F_GPIO4_OEN |
F_GPIO2_OUT_VAL | F_GPIO4_OUT_VAL, { S_GPIO3, S_GPIO5 }, 0,
&mi1_mdio_ops, "Chelsio PE9000"},
- {2, 0,
+ {1, 1, 0,
F_GPIO2_OEN | F_GPIO4_OEN |
F_GPIO2_OUT_VAL | F_GPIO4_OUT_VAL, { S_GPIO3, S_GPIO5 }, 0,
&mi1_mdio_ops, "Chelsio T302"},
- {1, 0,
+ {1, 0, 0,
F_GPIO1_OEN | F_GPIO6_OEN | F_GPIO7_OEN | F_GPIO10_OEN |
F_GPIO11_OEN | F_GPIO1_OUT_VAL | F_GPIO6_OUT_VAL | F_GPIO10_OUT_VAL,
{ 0 }, SUPPORTED_10000baseT_Full | SUPPORTED_AUI,
&mi1_mdio_ext_ops, "Chelsio T310"},
- {2, 0,
+ {1, 1, 0,
F_GPIO1_OEN | F_GPIO2_OEN | F_GPIO4_OEN | F_GPIO5_OEN | F_GPIO6_OEN |
F_GPIO7_OEN | F_GPIO10_OEN | F_GPIO11_OEN | F_GPIO1_OUT_VAL |
F_GPIO5_OUT_VAL | F_GPIO6_OUT_VAL | F_GPIO10_OUT_VAL,
@@ -514,7 +514,7 @@ static const struct adapter_info t3_adap_info[] = {
&mi1_mdio_ext_ops, "Chelsio T320"},
{},
{},
- {1, 0,
+ {1, 0, 0,
F_GPIO1_OEN | F_GPIO2_OEN | F_GPIO4_OEN | F_GPIO6_OEN | F_GPIO7_OEN |
F_GPIO10_OEN | F_GPIO1_OUT_VAL | F_GPIO6_OUT_VAL | F_GPIO10_OUT_VAL,
{ S_GPIO9 }, SUPPORTED_10000baseT_Full | SUPPORTED_AUI,
@@ -2128,16 +2128,40 @@ void t3_port_intr_clear(struct adapter *adapter, int idx)
static int t3_sge_write_context(struct adapter *adapter, unsigned int id,
unsigned int type)
{
- t3_write_reg(adapter, A_SG_CONTEXT_MASK0, 0xffffffff);
- t3_write_reg(adapter, A_SG_CONTEXT_MASK1, 0xffffffff);
- t3_write_reg(adapter, A_SG_CONTEXT_MASK2, 0xffffffff);
- t3_write_reg(adapter, A_SG_CONTEXT_MASK3, 0xffffffff);
+ if (type == F_RESPONSEQ) {
+ /*
+ * Can't write the Response Queue Context bits for
+ * Interrupt Armed or the Reserve bits after the chip
+ * has been initialized out of reset. Writing to these
+ * bits can confuse the hardware.
+ */
+ t3_write_reg(adapter, A_SG_CONTEXT_MASK0, 0xffffffff);
+ t3_write_reg(adapter, A_SG_CONTEXT_MASK1, 0xffffffff);
+ t3_write_reg(adapter, A_SG_CONTEXT_MASK2, 0x17ffffff);
+ t3_write_reg(adapter, A_SG_CONTEXT_MASK3, 0xffffffff);
+ } else {
+ t3_write_reg(adapter, A_SG_CONTEXT_MASK0, 0xffffffff);
+ t3_write_reg(adapter, A_SG_CONTEXT_MASK1, 0xffffffff);
+ t3_write_reg(adapter, A_SG_CONTEXT_MASK2, 0xffffffff);
+ t3_write_reg(adapter, A_SG_CONTEXT_MASK3, 0xffffffff);
+ }
t3_write_reg(adapter, A_SG_CONTEXT_CMD,
V_CONTEXT_CMD_OPCODE(1) | type | V_CONTEXT(id));
return t3_wait_op_done(adapter, A_SG_CONTEXT_CMD, F_CONTEXT_CMD_BUSY,
0, SG_CONTEXT_CMD_ATTEMPTS, 1);
}
+/**
+ * clear_sge_ctxt - completely clear an SGE context
+ * @adapter: the adapter
+ * @id: the context id
+ * @type: the context type
+ *
+ * Completely clear an SGE context. Used predominantly at post-reset
+ * initialization. Note in particular that we don't skip writing to any
+ * "sensitive bits" in the contexts the way that t3_sge_write_context()
+ * does ...
+ */
static int clear_sge_ctxt(struct adapter *adap, unsigned int id,
unsigned int type)
{
@@ -2145,7 +2169,14 @@ static int clear_sge_ctxt(struct adapter *adap, unsigned int id,
t3_write_reg(adap, A_SG_CONTEXT_DATA1, 0);
t3_write_reg(adap, A_SG_CONTEXT_DATA2, 0);
t3_write_reg(adap, A_SG_CONTEXT_DATA3, 0);
- return t3_sge_write_context(adap, id, type);
+ t3_write_reg(adap, A_SG_CONTEXT_MASK0, 0xffffffff);
+ t3_write_reg(adap, A_SG_CONTEXT_MASK1, 0xffffffff);
+ t3_write_reg(adap, A_SG_CONTEXT_MASK2, 0xffffffff);
+ t3_write_reg(adap, A_SG_CONTEXT_MASK3, 0xffffffff);
+ t3_write_reg(adap, A_SG_CONTEXT_CMD,
+ V_CONTEXT_CMD_OPCODE(1) | type | V_CONTEXT(id));
+ return t3_wait_op_done(adap, A_SG_CONTEXT_CMD, F_CONTEXT_CMD_BUSY,
+ 0, SG_CONTEXT_CMD_ATTEMPTS, 1);
}
/**
@@ -2729,10 +2760,10 @@ static void tp_config(struct adapter *adap, const struct tp_params *p)
F_TCPCHECKSUMOFFLOAD | V_IPTTL(64));
t3_write_reg(adap, A_TP_TCP_OPTIONS, V_MTUDEFAULT(576) |
F_MTUENABLE | V_WINDOWSCALEMODE(1) |
- V_TIMESTAMPSMODE(0) | V_SACKMODE(1) | V_SACKRX(1));
+ V_TIMESTAMPSMODE(1) | V_SACKMODE(1) | V_SACKRX(1));
t3_write_reg(adap, A_TP_DACK_CONFIG, V_AUTOSTATE3(1) |
V_AUTOSTATE2(1) | V_AUTOSTATE1(0) |
- V_BYTETHRESHOLD(16384) | V_MSSTHRESHOLD(2) |
+ V_BYTETHRESHOLD(26880) | V_MSSTHRESHOLD(2) |
F_AUTOCAREFUL | F_AUTOENABLE | V_DACK_MODE(1));
t3_set_reg_field(adap, A_TP_IN_CONFIG, F_RXFBARBPRIO | F_TXFBARBPRIO,
F_IPV6ENABLE | F_NICMODE);
@@ -3196,20 +3227,22 @@ int t3_mps_set_active_ports(struct adapter *adap, unsigned int port_mask)
}
/*
- * Perform the bits of HW initialization that are dependent on the number
- * of available ports.
+ * Perform the bits of HW initialization that are dependent on the Tx
+ * channels being used.
*/
-static void init_hw_for_avail_ports(struct adapter *adap, int nports)
+static void chan_init_hw(struct adapter *adap, unsigned int chan_map)
{
int i;
- if (nports == 1) {
+ if (chan_map != 3) { /* one channel */
t3_set_reg_field(adap, A_ULPRX_CTL, F_ROUND_ROBIN, 0);
t3_set_reg_field(adap, A_ULPTX_CONFIG, F_CFG_RR_ARB, 0);
- t3_write_reg(adap, A_MPS_CFG, F_TPRXPORTEN | F_TPTXPORT0EN |
- F_PORT0ACTIVE | F_ENFORCEPKT);
- t3_write_reg(adap, A_PM1_TX_CFG, 0xffffffff);
- } else {
+ t3_write_reg(adap, A_MPS_CFG, F_TPRXPORTEN | F_ENFORCEPKT |
+ (chan_map == 1 ? F_TPTXPORT0EN | F_PORT0ACTIVE :
+ F_TPTXPORT1EN | F_PORT1ACTIVE));
+ t3_write_reg(adap, A_PM1_TX_CFG,
+ chan_map == 1 ? 0xffffffff : 0);
+ } else { /* two channels */
t3_set_reg_field(adap, A_ULPRX_CTL, 0, F_ROUND_ROBIN);
t3_set_reg_field(adap, A_ULPTX_CONFIG, 0, F_CFG_RR_ARB);
t3_write_reg(adap, A_ULPTX_DMA_WEIGHT,
@@ -3517,7 +3550,7 @@ int t3_init_hw(struct adapter *adapter, u32 fw_params)
t3_write_reg(adapter, A_PM1_RX_CFG, 0xffffffff);
t3_write_reg(adapter, A_PM1_RX_MODE, 0);
t3_write_reg(adapter, A_PM1_TX_MODE, 0);
- init_hw_for_avail_ports(adapter, adapter->params.nports);
+ chan_init_hw(adapter, adapter->params.chan_map);
t3_sge_init(adapter, &adapter->params.sge);
t3_write_reg(adapter, A_T3DBG_GPIO_ACT_LOW, calc_gpio_intr(adapter));
@@ -3754,7 +3787,8 @@ int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai,
get_pci_mode(adapter, &adapter->params.pci);
adapter->params.info = ai;
- adapter->params.nports = ai->nports;
+ adapter->params.nports = ai->nports0 + ai->nports1;
+ adapter->params.chan_map = !!ai->nports0 | (!!ai->nports1 << 1);
adapter->params.rev = t3_read_reg(adapter, A_PL_REV);
/*
* We used to only run the "adapter check task" once a second if
@@ -3785,7 +3819,7 @@ int t3_prep_adapter(struct adapter *adapter, const struct adapter_info *ai,
mc7_prep(adapter, &adapter->pmtx, MC7_PMTX_BASE_ADDR, "PMTX");
mc7_prep(adapter, &adapter->cm, MC7_CM_BASE_ADDR, "CM");
- p->nchan = ai->nports;
+ p->nchan = adapter->params.chan_map == 3 ? 2 : 1;
p->pmrx_size = t3_mc7_size(&adapter->pmrx);
p->pmtx_size = t3_mc7_size(&adapter->pmtx);
p->cm_size = t3_mc7_size(&adapter->cm);
diff --git a/drivers/net/depca.c b/drivers/net/depca.c
index 55625dbbae5..357f565851e 100644
--- a/drivers/net/depca.c
+++ b/drivers/net/depca.c
@@ -566,6 +566,18 @@ MODULE_LICENSE("GPL");
outw(CSR0, DEPCA_ADDR);\
outw(STOP, DEPCA_DATA)
+static const struct net_device_ops depca_netdev_ops = {
+ .ndo_open = depca_open,
+ .ndo_start_xmit = depca_start_xmit,
+ .ndo_stop = depca_close,
+ .ndo_set_multicast_list = set_multicast_list,
+ .ndo_do_ioctl = depca_ioctl,
+ .ndo_tx_timeout = depca_tx_timeout,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
static int __init depca_hw_init (struct net_device *dev, struct device *device)
{
struct depca_private *lp;
@@ -793,12 +805,7 @@ static int __init depca_hw_init (struct net_device *dev, struct device *device)
}
/* The DEPCA-specific entries in the device structure. */
- dev->open = &depca_open;
- dev->hard_start_xmit = &depca_start_xmit;
- dev->stop = &depca_close;
- dev->set_multicast_list = &set_multicast_list;
- dev->do_ioctl = &depca_ioctl;
- dev->tx_timeout = depca_tx_timeout;
+ dev->netdev_ops = &depca_netdev_ops;
dev->watchdog_timeo = TX_TIMEOUT;
dev->mem_start = 0;
diff --git a/drivers/net/eepro.c b/drivers/net/eepro.c
index e187c88ae14..cc2ab6412c7 100644
--- a/drivers/net/eepro.c
+++ b/drivers/net/eepro.c
@@ -739,6 +739,17 @@ static void __init eepro_print_info (struct net_device *dev)
static const struct ethtool_ops eepro_ethtool_ops;
+static const struct net_device_ops eepro_netdev_ops = {
+ .ndo_open = eepro_open,
+ .ndo_stop = eepro_close,
+ .ndo_start_xmit = eepro_send_packet,
+ .ndo_set_multicast_list = set_multicast_list,
+ .ndo_tx_timeout = eepro_tx_timeout,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
/* This is the real probe routine. Linux has a history of friendly device
probes on the ISA bus. A good device probe avoids doing writes, and
verifies that the correct device exists and functions. */
@@ -851,11 +862,7 @@ static int __init eepro_probe1(struct net_device *dev, int autoprobe)
}
}
- dev->open = eepro_open;
- dev->stop = eepro_close;
- dev->hard_start_xmit = eepro_send_packet;
- dev->set_multicast_list = &set_multicast_list;
- dev->tx_timeout = eepro_tx_timeout;
+ dev->netdev_ops = &eepro_netdev_ops;
dev->watchdog_timeo = TX_TIMEOUT;
dev->ethtool_ops = &eepro_ethtool_ops;
diff --git a/drivers/net/eexpress.c b/drivers/net/eexpress.c
index 9ff3f2f5e38..1686dca2874 100644
--- a/drivers/net/eexpress.c
+++ b/drivers/net/eexpress.c
@@ -1043,6 +1043,17 @@ static void eexp_hw_tx_pio(struct net_device *dev, unsigned short *buf,
lp->last_tx = jiffies;
}
+static const struct net_device_ops eexp_netdev_ops = {
+ .ndo_open = eexp_open,
+ .ndo_stop = eexp_close,
+ .ndo_start_xmit = eexp_xmit,
+ .ndo_set_multicast_list = eexp_set_multicast,
+ .ndo_tx_timeout = eexp_timeout,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
/*
* Sanity check the suspected EtherExpress card
* Read hardware address, reset card, size memory and initialize buffer
@@ -1163,11 +1174,7 @@ static int __init eexp_hw_probe(struct net_device *dev, unsigned short ioaddr)
lp->rx_buf_start = TX_BUF_START + (lp->num_tx_bufs*TX_BUF_SIZE);
lp->width = buswidth;
- dev->open = eexp_open;
- dev->stop = eexp_close;
- dev->hard_start_xmit = eexp_xmit;
- dev->set_multicast_list = &eexp_set_multicast;
- dev->tx_timeout = eexp_timeout;
+ dev->netdev_ops = &eexp_netdev_ops;
dev->watchdog_timeo = 2*HZ;
return register_netdev(dev);
diff --git a/drivers/net/eth16i.c b/drivers/net/eth16i.c
index 5c048f2fd74..0d8b6da046f 100644
--- a/drivers/net/eth16i.c
+++ b/drivers/net/eth16i.c
@@ -475,6 +475,17 @@ out:
}
#endif
+static const struct net_device_ops eth16i_netdev_ops = {
+ .ndo_open = eth16i_open,
+ .ndo_stop = eth16i_close,
+ .ndo_start_xmit = eth16i_tx,
+ .ndo_set_multicast_list = eth16i_multicast,
+ .ndo_tx_timeout = eth16i_timeout,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
static int __init eth16i_probe1(struct net_device *dev, int ioaddr)
{
struct eth16i_local *lp = netdev_priv(dev);
@@ -549,12 +560,7 @@ static int __init eth16i_probe1(struct net_device *dev, int ioaddr)
BITCLR(ioaddr + CONFIG_REG_1, POWERUP);
/* Initialize the device structure */
- memset(lp, 0, sizeof(struct eth16i_local));
- dev->open = eth16i_open;
- dev->stop = eth16i_close;
- dev->hard_start_xmit = eth16i_tx;
- dev->set_multicast_list = eth16i_multicast;
- dev->tx_timeout = eth16i_timeout;
+ dev->netdev_ops = &eth16i_netdev_ops;
dev->watchdog_timeo = TX_TIMEOUT;
spin_lock_init(&lp->lock);
diff --git a/drivers/net/ethoc.c b/drivers/net/ethoc.c
new file mode 100644
index 00000000000..91a9b1a3376
--- /dev/null
+++ b/drivers/net/ethoc.c
@@ -0,0 +1,1112 @@
+/*
+ * linux/drivers/net/ethoc.c
+ *
+ * Copyright (C) 2007-2008 Avionic Design Development GmbH
+ * Copyright (C) 2008-2009 Avionic Design GmbH
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * Written by Thierry Reding <thierry.reding@avionic-design.de>
+ */
+
+#include <linux/etherdevice.h>
+#include <linux/crc32.h>
+#include <linux/io.h>
+#include <linux/mii.h>
+#include <linux/phy.h>
+#include <linux/platform_device.h>
+#include <net/ethoc.h>
+
+/* register offsets */
+#define MODER 0x00
+#define INT_SOURCE 0x04
+#define INT_MASK 0x08
+#define IPGT 0x0c
+#define IPGR1 0x10
+#define IPGR2 0x14
+#define PACKETLEN 0x18
+#define COLLCONF 0x1c
+#define TX_BD_NUM 0x20
+#define CTRLMODER 0x24
+#define MIIMODER 0x28
+#define MIICOMMAND 0x2c
+#define MIIADDRESS 0x30
+#define MIITX_DATA 0x34
+#define MIIRX_DATA 0x38
+#define MIISTATUS 0x3c
+#define MAC_ADDR0 0x40
+#define MAC_ADDR1 0x44
+#define ETH_HASH0 0x48
+#define ETH_HASH1 0x4c
+#define ETH_TXCTRL 0x50
+
+/* mode register */
+#define MODER_RXEN (1 << 0) /* receive enable */
+#define MODER_TXEN (1 << 1) /* transmit enable */
+#define MODER_NOPRE (1 << 2) /* no preamble */
+#define MODER_BRO (1 << 3) /* broadcast address */
+#define MODER_IAM (1 << 4) /* individual address mode */
+#define MODER_PRO (1 << 5) /* promiscuous mode */
+#define MODER_IFG (1 << 6) /* interframe gap for incoming frames */
+#define MODER_LOOP (1 << 7) /* loopback */
+#define MODER_NBO (1 << 8) /* no back-off */
+#define MODER_EDE (1 << 9) /* excess defer enable */
+#define MODER_FULLD (1 << 10) /* full duplex */
+#define MODER_RESET (1 << 11) /* FIXME: reset (undocumented) */
+#define MODER_DCRC (1 << 12) /* delayed CRC enable */
+#define MODER_CRC (1 << 13) /* CRC enable */
+#define MODER_HUGE (1 << 14) /* huge packets enable */
+#define MODER_PAD (1 << 15) /* padding enabled */
+#define MODER_RSM (1 << 16) /* receive small packets */
+
+/* interrupt source and mask registers */
+#define INT_MASK_TXF (1 << 0) /* transmit frame */
+#define INT_MASK_TXE (1 << 1) /* transmit error */
+#define INT_MASK_RXF (1 << 2) /* receive frame */
+#define INT_MASK_RXE (1 << 3) /* receive error */
+#define INT_MASK_BUSY (1 << 4)
+#define INT_MASK_TXC (1 << 5) /* transmit control frame */
+#define INT_MASK_RXC (1 << 6) /* receive control frame */
+
+#define INT_MASK_TX (INT_MASK_TXF | INT_MASK_TXE)
+#define INT_MASK_RX (INT_MASK_RXF | INT_MASK_RXE)
+
+#define INT_MASK_ALL ( \
+ INT_MASK_TXF | INT_MASK_TXE | \
+ INT_MASK_RXF | INT_MASK_RXE | \
+ INT_MASK_TXC | INT_MASK_RXC | \
+ INT_MASK_BUSY \
+ )
+
+/* packet length register */
+#define PACKETLEN_MIN(min) (((min) & 0xffff) << 16)
+#define PACKETLEN_MAX(max) (((max) & 0xffff) << 0)
+#define PACKETLEN_MIN_MAX(min, max) (PACKETLEN_MIN(min) | \
+ PACKETLEN_MAX(max))
+
+/* transmit buffer number register */
+#define TX_BD_NUM_VAL(x) (((x) <= 0x80) ? (x) : 0x80)
+
+/* control module mode register */
+#define CTRLMODER_PASSALL (1 << 0) /* pass all receive frames */
+#define CTRLMODER_RXFLOW (1 << 1) /* receive control flow */
+#define CTRLMODER_TXFLOW (1 << 2) /* transmit control flow */
+
+/* MII mode register */
+#define MIIMODER_CLKDIV(x) ((x) & 0xfe) /* needs to be an even number */
+#define MIIMODER_NOPRE (1 << 8) /* no preamble */
+
+/* MII command register */
+#define MIICOMMAND_SCAN (1 << 0) /* scan status */
+#define MIICOMMAND_READ (1 << 1) /* read status */
+#define MIICOMMAND_WRITE (1 << 2) /* write control data */
+
+/* MII address register */
+#define MIIADDRESS_FIAD(x) (((x) & 0x1f) << 0)
+#define MIIADDRESS_RGAD(x) (((x) & 0x1f) << 8)
+#define MIIADDRESS_ADDR(phy, reg) (MIIADDRESS_FIAD(phy) | \
+ MIIADDRESS_RGAD(reg))
+
+/* MII transmit data register */
+#define MIITX_DATA_VAL(x) ((x) & 0xffff)
+
+/* MII receive data register */
+#define MIIRX_DATA_VAL(x) ((x) & 0xffff)
+
+/* MII status register */
+#define MIISTATUS_LINKFAIL (1 << 0)
+#define MIISTATUS_BUSY (1 << 1)
+#define MIISTATUS_INVALID (1 << 2)
+
+/* TX buffer descriptor */
+#define TX_BD_CS (1 << 0) /* carrier sense lost */
+#define TX_BD_DF (1 << 1) /* defer indication */
+#define TX_BD_LC (1 << 2) /* late collision */
+#define TX_BD_RL (1 << 3) /* retransmission limit */
+#define TX_BD_RETRY_MASK (0x00f0)
+#define TX_BD_RETRY(x) (((x) & 0x00f0) >> 4)
+#define TX_BD_UR (1 << 8) /* transmitter underrun */
+#define TX_BD_CRC (1 << 11) /* TX CRC enable */
+#define TX_BD_PAD (1 << 12) /* pad enable for short packets */
+#define TX_BD_WRAP (1 << 13)
+#define TX_BD_IRQ (1 << 14) /* interrupt request enable */
+#define TX_BD_READY (1 << 15) /* TX buffer ready */
+#define TX_BD_LEN(x) (((x) & 0xffff) << 16)
+#define TX_BD_LEN_MASK (0xffff << 16)
+
+#define TX_BD_STATS (TX_BD_CS | TX_BD_DF | TX_BD_LC | \
+ TX_BD_RL | TX_BD_RETRY_MASK | TX_BD_UR)
+
+/* RX buffer descriptor */
+#define RX_BD_LC (1 << 0) /* late collision */
+#define RX_BD_CRC (1 << 1) /* RX CRC error */
+#define RX_BD_SF (1 << 2) /* short frame */
+#define RX_BD_TL (1 << 3) /* too long */
+#define RX_BD_DN (1 << 4) /* dribble nibble */
+#define RX_BD_IS (1 << 5) /* invalid symbol */
+#define RX_BD_OR (1 << 6) /* receiver overrun */
+#define RX_BD_MISS (1 << 7)
+#define RX_BD_CF (1 << 8) /* control frame */
+#define RX_BD_WRAP (1 << 13)
+#define RX_BD_IRQ (1 << 14) /* interrupt request enable */
+#define RX_BD_EMPTY (1 << 15)
+#define RX_BD_LEN(x) (((x) & 0xffff) << 16)
+
+#define RX_BD_STATS (RX_BD_LC | RX_BD_CRC | RX_BD_SF | RX_BD_TL | \
+ RX_BD_DN | RX_BD_IS | RX_BD_OR | RX_BD_MISS)
+
+#define ETHOC_BUFSIZ 1536
+#define ETHOC_ZLEN 64
+#define ETHOC_BD_BASE 0x400
+#define ETHOC_TIMEOUT (HZ / 2)
+#define ETHOC_MII_TIMEOUT (1 + (HZ / 5))
+
+/**
+ * struct ethoc - driver-private device structure
+ * @iobase: pointer to I/O memory region
+ * @membase: pointer to buffer memory region
+ * @num_tx: number of send buffers
+ * @cur_tx: last send buffer written
+ * @dty_tx: last buffer actually sent
+ * @num_rx: number of receive buffers
+ * @cur_rx: current receive buffer
+ * @netdev: pointer to network device structure
+ * @napi: NAPI structure
+ * @stats: network device statistics
+ * @msg_enable: device state flags
+ * @rx_lock: receive lock
+ * @lock: device lock
+ * @phy: attached PHY
+ * @mdio: MDIO bus for PHY access
+ * @phy_id: address of attached PHY
+ */
+struct ethoc {
+ void __iomem *iobase;
+ void __iomem *membase;
+
+ unsigned int num_tx;
+ unsigned int cur_tx;
+ unsigned int dty_tx;
+
+ unsigned int num_rx;
+ unsigned int cur_rx;
+
+ struct net_device *netdev;
+ struct napi_struct napi;
+ struct net_device_stats stats;
+ u32 msg_enable;
+
+ spinlock_t rx_lock;
+ spinlock_t lock;
+
+ struct phy_device *phy;
+ struct mii_bus *mdio;
+ s8 phy_id;
+};
+
+/**
+ * struct ethoc_bd - buffer descriptor
+ * @stat: buffer statistics
+ * @addr: physical memory address
+ */
+struct ethoc_bd {
+ u32 stat;
+ u32 addr;
+};
+
+static u32 ethoc_read(struct ethoc *dev, loff_t offset)
+{
+ return ioread32(dev->iobase + offset);
+}
+
+static void ethoc_write(struct ethoc *dev, loff_t offset, u32 data)
+{
+ iowrite32(data, dev->iobase + offset);
+}
+
+static void ethoc_read_bd(struct ethoc *dev, int index, struct ethoc_bd *bd)
+{
+ loff_t offset = ETHOC_BD_BASE + (index * sizeof(struct ethoc_bd));
+ bd->stat = ethoc_read(dev, offset + 0);
+ bd->addr = ethoc_read(dev, offset + 4);
+}
+
+static void ethoc_write_bd(struct ethoc *dev, int index,
+ const struct ethoc_bd *bd)
+{
+ loff_t offset = ETHOC_BD_BASE + (index * sizeof(struct ethoc_bd));
+ ethoc_write(dev, offset + 0, bd->stat);
+ ethoc_write(dev, offset + 4, bd->addr);
+}
+
+static void ethoc_enable_irq(struct ethoc *dev, u32 mask)
+{
+ u32 imask = ethoc_read(dev, INT_MASK);
+ imask |= mask;
+ ethoc_write(dev, INT_MASK, imask);
+}
+
+static void ethoc_disable_irq(struct ethoc *dev, u32 mask)
+{
+ u32 imask = ethoc_read(dev, INT_MASK);
+ imask &= ~mask;
+ ethoc_write(dev, INT_MASK, imask);
+}
+
+static void ethoc_ack_irq(struct ethoc *dev, u32 mask)
+{
+ ethoc_write(dev, INT_SOURCE, mask);
+}
+
+static void ethoc_enable_rx_and_tx(struct ethoc *dev)
+{
+ u32 mode = ethoc_read(dev, MODER);
+ mode |= MODER_RXEN | MODER_TXEN;
+ ethoc_write(dev, MODER, mode);
+}
+
+static void ethoc_disable_rx_and_tx(struct ethoc *dev)
+{
+ u32 mode = ethoc_read(dev, MODER);
+ mode &= ~(MODER_RXEN | MODER_TXEN);
+ ethoc_write(dev, MODER, mode);
+}
+
+static int ethoc_init_ring(struct ethoc *dev)
+{
+ struct ethoc_bd bd;
+ int i;
+
+ dev->cur_tx = 0;
+ dev->dty_tx = 0;
+ dev->cur_rx = 0;
+
+ /* setup transmission buffers */
+ bd.addr = 0;
+ bd.stat = TX_BD_IRQ | TX_BD_CRC;
+
+ for (i = 0; i < dev->num_tx; i++) {
+ if (i == dev->num_tx - 1)
+ bd.stat |= TX_BD_WRAP;
+
+ ethoc_write_bd(dev, i, &bd);
+ bd.addr += ETHOC_BUFSIZ;
+ }
+
+ bd.addr = dev->num_tx * ETHOC_BUFSIZ;
+ bd.stat = RX_BD_EMPTY | RX_BD_IRQ;
+
+ for (i = 0; i < dev->num_rx; i++) {
+ if (i == dev->num_rx - 1)
+ bd.stat |= RX_BD_WRAP;
+
+ ethoc_write_bd(dev, dev->num_tx + i, &bd);
+ bd.addr += ETHOC_BUFSIZ;
+ }
+
+ return 0;
+}
+
+static int ethoc_reset(struct ethoc *dev)
+{
+ u32 mode;
+
+ /* TODO: reset controller? */
+
+ ethoc_disable_rx_and_tx(dev);
+
+ /* TODO: setup registers */
+
+ /* enable FCS generation and automatic padding */
+ mode = ethoc_read(dev, MODER);
+ mode |= MODER_CRC | MODER_PAD;
+ ethoc_write(dev, MODER, mode);
+
+ /* set full-duplex mode */
+ mode = ethoc_read(dev, MODER);
+ mode |= MODER_FULLD;
+ ethoc_write(dev, MODER, mode);
+ ethoc_write(dev, IPGT, 0x15);
+
+ ethoc_ack_irq(dev, INT_MASK_ALL);
+ ethoc_enable_irq(dev, INT_MASK_ALL);
+ ethoc_enable_rx_and_tx(dev);
+ return 0;
+}
+
+static unsigned int ethoc_update_rx_stats(struct ethoc *dev,
+ struct ethoc_bd *bd)
+{
+ struct net_device *netdev = dev->netdev;
+ unsigned int ret = 0;
+
+ if (bd->stat & RX_BD_TL) {
+ dev_err(&netdev->dev, "RX: frame too long\n");
+ dev->stats.rx_length_errors++;
+ ret++;
+ }
+
+ if (bd->stat & RX_BD_SF) {
+ dev_err(&netdev->dev, "RX: frame too short\n");
+ dev->stats.rx_length_errors++;
+ ret++;
+ }
+
+ if (bd->stat & RX_BD_DN) {
+ dev_err(&netdev->dev, "RX: dribble nibble\n");
+ dev->stats.rx_frame_errors++;
+ }
+
+ if (bd->stat & RX_BD_CRC) {
+ dev_err(&netdev->dev, "RX: wrong CRC\n");
+ dev->stats.rx_crc_errors++;
+ ret++;
+ }
+
+ if (bd->stat & RX_BD_OR) {
+ dev_err(&netdev->dev, "RX: overrun\n");
+ dev->stats.rx_over_errors++;
+ ret++;
+ }
+
+ if (bd->stat & RX_BD_MISS)
+ dev->stats.rx_missed_errors++;
+
+ if (bd->stat & RX_BD_LC) {
+ dev_err(&netdev->dev, "RX: late collision\n");
+ dev->stats.collisions++;
+ ret++;
+ }
+
+ return ret;
+}
+
+static int ethoc_rx(struct net_device *dev, int limit)
+{
+ struct ethoc *priv = netdev_priv(dev);
+ int count;
+
+ for (count = 0; count < limit; ++count) {
+ unsigned int entry;
+ struct ethoc_bd bd;
+
+ entry = priv->num_tx + (priv->cur_rx % priv->num_rx);
+ ethoc_read_bd(priv, entry, &bd);
+ if (bd.stat & RX_BD_EMPTY)
+ break;
+
+ if (ethoc_update_rx_stats(priv, &bd) == 0) {
+ int size = bd.stat >> 16;
+ struct sk_buff *skb = netdev_alloc_skb(dev, size);
+ if (likely(skb)) {
+ void *src = priv->membase + bd.addr;
+ memcpy_fromio(skb_put(skb, size), src, size);
+ skb->protocol = eth_type_trans(skb, dev);
+ dev->last_rx = jiffies;
+ priv->stats.rx_packets++;
+ priv->stats.rx_bytes += size;
+ netif_receive_skb(skb);
+ } else {
+ if (net_ratelimit())
+ dev_warn(&dev->dev, "low on memory - "
+ "packet dropped\n");
+
+ priv->stats.rx_dropped++;
+ break;
+ }
+ }
+
+ /* clear the buffer descriptor so it can be reused */
+ bd.stat &= ~RX_BD_STATS;
+ bd.stat |= RX_BD_EMPTY;
+ ethoc_write_bd(priv, entry, &bd);
+ priv->cur_rx++;
+ }
+
+ return count;
+}
+
+static int ethoc_update_tx_stats(struct ethoc *dev, struct ethoc_bd *bd)
+{
+ struct net_device *netdev = dev->netdev;
+
+ if (bd->stat & TX_BD_LC) {
+ dev_err(&netdev->dev, "TX: late collision\n");
+ dev->stats.tx_window_errors++;
+ }
+
+ if (bd->stat & TX_BD_RL) {
+ dev_err(&netdev->dev, "TX: retransmit limit\n");
+ dev->stats.tx_aborted_errors++;
+ }
+
+ if (bd->stat & TX_BD_UR) {
+ dev_err(&netdev->dev, "TX: underrun\n");
+ dev->stats.tx_fifo_errors++;
+ }
+
+ if (bd->stat & TX_BD_CS) {
+ dev_err(&netdev->dev, "TX: carrier sense lost\n");
+ dev->stats.tx_carrier_errors++;
+ }
+
+ if (bd->stat & TX_BD_STATS)
+ dev->stats.tx_errors++;
+
+ dev->stats.collisions += (bd->stat >> 4) & 0xf;
+ dev->stats.tx_bytes += bd->stat >> 16;
+ dev->stats.tx_packets++;
+ return 0;
+}
+
+static void ethoc_tx(struct net_device *dev)
+{
+ struct ethoc *priv = netdev_priv(dev);
+
+ spin_lock(&priv->lock);
+
+ while (priv->dty_tx != priv->cur_tx) {
+ unsigned int entry = priv->dty_tx % priv->num_tx;
+ struct ethoc_bd bd;
+
+ ethoc_read_bd(priv, entry, &bd);
+ if (bd.stat & TX_BD_READY)
+ break;
+
+ entry = (++priv->dty_tx) % priv->num_tx;
+ (void)ethoc_update_tx_stats(priv, &bd);
+ }
+
+ if ((priv->cur_tx - priv->dty_tx) <= (priv->num_tx / 2))
+ netif_wake_queue(dev);
+
+ ethoc_ack_irq(priv, INT_MASK_TX);
+ spin_unlock(&priv->lock);
+}
+
+static irqreturn_t ethoc_interrupt(int irq, void *dev_id)
+{
+ struct net_device *dev = (struct net_device *)dev_id;
+ struct ethoc *priv = netdev_priv(dev);
+ u32 pending;
+
+ ethoc_disable_irq(priv, INT_MASK_ALL);
+ pending = ethoc_read(priv, INT_SOURCE);
+ if (unlikely(pending == 0)) {
+ ethoc_enable_irq(priv, INT_MASK_ALL);
+ return IRQ_NONE;
+ }
+
+ ethoc_ack_irq(priv, INT_MASK_ALL);
+
+ if (pending & INT_MASK_BUSY) {
+ dev_err(&dev->dev, "packet dropped\n");
+ priv->stats.rx_dropped++;
+ }
+
+ if (pending & INT_MASK_RX) {
+ if (napi_schedule_prep(&priv->napi))
+ __napi_schedule(&priv->napi);
+ } else {
+ ethoc_enable_irq(priv, INT_MASK_RX);
+ }
+
+ if (pending & INT_MASK_TX)
+ ethoc_tx(dev);
+
+ ethoc_enable_irq(priv, INT_MASK_ALL & ~INT_MASK_RX);
+ return IRQ_HANDLED;
+}
+
+static int ethoc_get_mac_address(struct net_device *dev, void *addr)
+{
+ struct ethoc *priv = netdev_priv(dev);
+ u8 *mac = (u8 *)addr;
+ u32 reg;
+
+ reg = ethoc_read(priv, MAC_ADDR0);
+ mac[2] = (reg >> 24) & 0xff;
+ mac[3] = (reg >> 16) & 0xff;
+ mac[4] = (reg >> 8) & 0xff;
+ mac[5] = (reg >> 0) & 0xff;
+
+ reg = ethoc_read(priv, MAC_ADDR1);
+ mac[0] = (reg >> 8) & 0xff;
+ mac[1] = (reg >> 0) & 0xff;
+
+ return 0;
+}
+
+static int ethoc_poll(struct napi_struct *napi, int budget)
+{
+ struct ethoc *priv = container_of(napi, struct ethoc, napi);
+ int work_done = 0;
+
+ work_done = ethoc_rx(priv->netdev, budget);
+ if (work_done < budget) {
+ ethoc_enable_irq(priv, INT_MASK_RX);
+ napi_complete(napi);
+ }
+
+ return work_done;
+}
+
+static int ethoc_mdio_read(struct mii_bus *bus, int phy, int reg)
+{
+ unsigned long timeout = jiffies + ETHOC_MII_TIMEOUT;
+ struct ethoc *priv = bus->priv;
+
+ ethoc_write(priv, MIIADDRESS, MIIADDRESS_ADDR(phy, reg));
+ ethoc_write(priv, MIICOMMAND, MIICOMMAND_READ);
+
+ while (time_before(jiffies, timeout)) {
+ u32 status = ethoc_read(priv, MIISTATUS);
+ if (!(status & MIISTATUS_BUSY)) {
+ u32 data = ethoc_read(priv, MIIRX_DATA);
+ /* reset MII command register */
+ ethoc_write(priv, MIICOMMAND, 0);
+ return data;
+ }
+
+ schedule();
+ }
+
+ return -EBUSY;
+}
+
+static int ethoc_mdio_write(struct mii_bus *bus, int phy, int reg, u16 val)
+{
+ unsigned long timeout = jiffies + ETHOC_MII_TIMEOUT;
+ struct ethoc *priv = bus->priv;
+
+ ethoc_write(priv, MIIADDRESS, MIIADDRESS_ADDR(phy, reg));
+ ethoc_write(priv, MIITX_DATA, val);
+ ethoc_write(priv, MIICOMMAND, MIICOMMAND_WRITE);
+
+ while (time_before(jiffies, timeout)) {
+ u32 stat = ethoc_read(priv, MIISTATUS);
+ if (!(stat & MIISTATUS_BUSY))
+ return 0;
+
+ schedule();
+ }
+
+ return -EBUSY;
+}
+
+static int ethoc_mdio_reset(struct mii_bus *bus)
+{
+ return 0;
+}
+
+static void ethoc_mdio_poll(struct net_device *dev)
+{
+}
+
+static int ethoc_mdio_probe(struct net_device *dev)
+{
+ struct ethoc *priv = netdev_priv(dev);
+ struct phy_device *phy;
+ int i;
+
+ for (i = 0; i < PHY_MAX_ADDR; i++) {
+ phy = priv->mdio->phy_map[i];
+ if (phy) {
+ if (priv->phy_id != -1) {
+ /* attach to specified PHY */
+ if (priv->phy_id == phy->addr)
+ break;
+ } else {
+ /* autoselect PHY if none was specified */
+ if (phy->addr != 0)
+ break;
+ }
+ }
+ }
+
+ if (!phy) {
+ dev_err(&dev->dev, "no PHY found\n");
+ return -ENXIO;
+ }
+
+ phy = phy_connect(dev, dev_name(&phy->dev), &ethoc_mdio_poll, 0,
+ PHY_INTERFACE_MODE_GMII);
+ if (IS_ERR(phy)) {
+ dev_err(&dev->dev, "could not attach to PHY\n");
+ return PTR_ERR(phy);
+ }
+
+ priv->phy = phy;
+ return 0;
+}
+
+static int ethoc_open(struct net_device *dev)
+{
+ struct ethoc *priv = netdev_priv(dev);
+ unsigned int min_tx = 2;
+ unsigned int num_bd;
+ int ret;
+
+ ret = request_irq(dev->irq, ethoc_interrupt, IRQF_SHARED,
+ dev->name, dev);
+ if (ret)
+ return ret;
+
+ /* calculate the number of TX/RX buffers */
+ num_bd = (dev->mem_end - dev->mem_start + 1) / ETHOC_BUFSIZ;
+ priv->num_tx = min(min_tx, num_bd / 4);
+ priv->num_rx = num_bd - priv->num_tx;
+ ethoc_write(priv, TX_BD_NUM, priv->num_tx);
+
+ ethoc_init_ring(priv);
+ ethoc_reset(priv);
+
+ if (netif_queue_stopped(dev)) {
+ dev_dbg(&dev->dev, " resuming queue\n");
+ netif_wake_queue(dev);
+ } else {
+ dev_dbg(&dev->dev, " starting queue\n");
+ netif_start_queue(dev);
+ }
+
+ phy_start(priv->phy);
+ napi_enable(&priv->napi);
+
+ if (netif_msg_ifup(priv)) {
+ dev_info(&dev->dev, "I/O: %08lx Memory: %08lx-%08lx\n",
+ dev->base_addr, dev->mem_start, dev->mem_end);
+ }
+
+ return 0;
+}
+
+static int ethoc_stop(struct net_device *dev)
+{
+ struct ethoc *priv = netdev_priv(dev);
+
+ napi_disable(&priv->napi);
+
+ if (priv->phy)
+ phy_stop(priv->phy);
+
+ ethoc_disable_rx_and_tx(priv);
+ free_irq(dev->irq, dev);
+
+ if (!netif_queue_stopped(dev))
+ netif_stop_queue(dev);
+
+ return 0;
+}
+
+static int ethoc_ioctl(struct net_device *dev, struct ifreq *ifr, int cmd)
+{
+ struct ethoc *priv = netdev_priv(dev);
+ struct mii_ioctl_data *mdio = if_mii(ifr);
+ struct phy_device *phy = NULL;
+
+ if (!netif_running(dev))
+ return -EINVAL;
+
+ if (cmd != SIOCGMIIPHY) {
+ if (mdio->phy_id >= PHY_MAX_ADDR)
+ return -ERANGE;
+
+ phy = priv->mdio->phy_map[mdio->phy_id];
+ if (!phy)
+ return -ENODEV;
+ } else {
+ phy = priv->phy;
+ }
+
+ return phy_mii_ioctl(phy, mdio, cmd);
+}
+
+static int ethoc_config(struct net_device *dev, struct ifmap *map)
+{
+ return -ENOSYS;
+}
+
+static int ethoc_set_mac_address(struct net_device *dev, void *addr)
+{
+ struct ethoc *priv = netdev_priv(dev);
+ u8 *mac = (u8 *)addr;
+
+ ethoc_write(priv, MAC_ADDR0, (mac[2] << 24) | (mac[3] << 16) |
+ (mac[4] << 8) | (mac[5] << 0));
+ ethoc_write(priv, MAC_ADDR1, (mac[0] << 8) | (mac[1] << 0));
+
+ return 0;
+}
+
+static void ethoc_set_multicast_list(struct net_device *dev)
+{
+ struct ethoc *priv = netdev_priv(dev);
+ u32 mode = ethoc_read(priv, MODER);
+ struct dev_mc_list *mc = NULL;
+ u32 hash[2] = { 0, 0 };
+
+ /* set loopback mode if requested */
+ if (dev->flags & IFF_LOOPBACK)
+ mode |= MODER_LOOP;
+ else
+ mode &= ~MODER_LOOP;
+
+ /* receive broadcast frames if requested */
+ if (dev->flags & IFF_BROADCAST)
+ mode &= ~MODER_BRO;
+ else
+ mode |= MODER_BRO;
+
+ /* enable promiscuous mode if requested */
+ if (dev->flags & IFF_PROMISC)
+ mode |= MODER_PRO;
+ else
+ mode &= ~MODER_PRO;
+
+ ethoc_write(priv, MODER, mode);
+
+ /* receive multicast frames */
+ if (dev->flags & IFF_ALLMULTI) {
+ hash[0] = 0xffffffff;
+ hash[1] = 0xffffffff;
+ } else {
+ for (mc = dev->mc_list; mc; mc = mc->next) {
+ u32 crc = ether_crc(mc->dmi_addrlen, mc->dmi_addr);
+ int bit = (crc >> 26) & 0x3f;
+ hash[bit >> 5] |= 1 << (bit & 0x1f);
+ }
+ }
+
+ ethoc_write(priv, ETH_HASH0, hash[0]);
+ ethoc_write(priv, ETH_HASH1, hash[1]);
+}
+
+static int ethoc_change_mtu(struct net_device *dev, int new_mtu)
+{
+ return -ENOSYS;
+}
+
+static void ethoc_tx_timeout(struct net_device *dev)
+{
+ struct ethoc *priv = netdev_priv(dev);
+ u32 pending = ethoc_read(priv, INT_SOURCE);
+ if (likely(pending))
+ ethoc_interrupt(dev->irq, dev);
+}
+
+static struct net_device_stats *ethoc_stats(struct net_device *dev)
+{
+ struct ethoc *priv = netdev_priv(dev);
+ return &priv->stats;
+}
+
+static int ethoc_start_xmit(struct sk_buff *skb, struct net_device *dev)
+{
+ struct ethoc *priv = netdev_priv(dev);
+ struct ethoc_bd bd;
+ unsigned int entry;
+ void *dest;
+
+ if (unlikely(skb->len > ETHOC_BUFSIZ)) {
+ priv->stats.tx_errors++;
+ return -EMSGSIZE;
+ }
+
+ entry = priv->cur_tx % priv->num_tx;
+ spin_lock_irq(&priv->lock);
+ priv->cur_tx++;
+
+ ethoc_read_bd(priv, entry, &bd);
+ if (unlikely(skb->len < ETHOC_ZLEN))
+ bd.stat |= TX_BD_PAD;
+ else
+ bd.stat &= ~TX_BD_PAD;
+
+ dest = priv->membase + bd.addr;
+ memcpy_toio(dest, skb->data, skb->len);
+
+ bd.stat &= ~(TX_BD_STATS | TX_BD_LEN_MASK);
+ bd.stat |= TX_BD_LEN(skb->len);
+ ethoc_write_bd(priv, entry, &bd);
+
+ bd.stat |= TX_BD_READY;
+ ethoc_write_bd(priv, entry, &bd);
+
+ if (priv->cur_tx == (priv->dty_tx + priv->num_tx)) {
+ dev_dbg(&dev->dev, "stopping queue\n");
+ netif_stop_queue(dev);
+ }
+
+ dev->trans_start = jiffies;
+ dev_kfree_skb(skb);
+
+ spin_unlock_irq(&priv->lock);
+ return NETDEV_TX_OK;
+}
+
+static const struct net_device_ops ethoc_netdev_ops = {
+ .ndo_open = ethoc_open,
+ .ndo_stop = ethoc_stop,
+ .ndo_do_ioctl = ethoc_ioctl,
+ .ndo_set_config = ethoc_config,
+ .ndo_set_mac_address = ethoc_set_mac_address,
+ .ndo_set_multicast_list = ethoc_set_multicast_list,
+ .ndo_change_mtu = ethoc_change_mtu,
+ .ndo_tx_timeout = ethoc_tx_timeout,
+ .ndo_get_stats = ethoc_stats,
+ .ndo_start_xmit = ethoc_start_xmit,
+};
+
+/**
+ * ethoc_probe() - initialize OpenCores ethernet MAC
+ * pdev: platform device
+ */
+static int ethoc_probe(struct platform_device *pdev)
+{
+ struct net_device *netdev = NULL;
+ struct resource *res = NULL;
+ struct resource *mmio = NULL;
+ struct resource *mem = NULL;
+ struct ethoc *priv = NULL;
+ unsigned int phy;
+ int ret = 0;
+
+ /* allocate networking device */
+ netdev = alloc_etherdev(sizeof(struct ethoc));
+ if (!netdev) {
+ dev_err(&pdev->dev, "cannot allocate network device\n");
+ ret = -ENOMEM;
+ goto out;
+ }
+
+ SET_NETDEV_DEV(netdev, &pdev->dev);
+ platform_set_drvdata(pdev, netdev);
+
+ /* obtain I/O memory space */
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "cannot obtain I/O memory space\n");
+ ret = -ENXIO;
+ goto free;
+ }
+
+ mmio = devm_request_mem_region(&pdev->dev, res->start,
+ res->end - res->start + 1, res->name);
+ if (!res) {
+ dev_err(&pdev->dev, "cannot request I/O memory space\n");
+ ret = -ENXIO;
+ goto free;
+ }
+
+ netdev->base_addr = mmio->start;
+
+ /* obtain buffer memory space */
+ res = platform_get_resource(pdev, IORESOURCE_MEM, 1);
+ if (!res) {
+ dev_err(&pdev->dev, "cannot obtain memory space\n");
+ ret = -ENXIO;
+ goto free;
+ }
+
+ mem = devm_request_mem_region(&pdev->dev, res->start,
+ res->end - res->start + 1, res->name);
+ if (!mem) {
+ dev_err(&pdev->dev, "cannot request memory space\n");
+ ret = -ENXIO;
+ goto free;
+ }
+
+ netdev->mem_start = mem->start;
+ netdev->mem_end = mem->end;
+
+ /* obtain device IRQ number */
+ res = platform_get_resource(pdev, IORESOURCE_IRQ, 0);
+ if (!res) {
+ dev_err(&pdev->dev, "cannot obtain IRQ\n");
+ ret = -ENXIO;
+ goto free;
+ }
+
+ netdev->irq = res->start;
+
+ /* setup driver-private data */
+ priv = netdev_priv(netdev);
+ priv->netdev = netdev;
+
+ priv->iobase = devm_ioremap_nocache(&pdev->dev, netdev->base_addr,
+ mmio->end - mmio->start + 1);
+ if (!priv->iobase) {
+ dev_err(&pdev->dev, "cannot remap I/O memory space\n");
+ ret = -ENXIO;
+ goto error;
+ }
+
+ priv->membase = devm_ioremap_nocache(&pdev->dev, netdev->mem_start,
+ mem->end - mem->start + 1);
+ if (!priv->membase) {
+ dev_err(&pdev->dev, "cannot remap memory space\n");
+ ret = -ENXIO;
+ goto error;
+ }
+
+ /* Allow the platform setup code to pass in a MAC address. */
+ if (pdev->dev.platform_data) {
+ struct ethoc_platform_data *pdata =
+ (struct ethoc_platform_data *)pdev->dev.platform_data;
+ memcpy(netdev->dev_addr, pdata->hwaddr, IFHWADDRLEN);
+ priv->phy_id = pdata->phy_id;
+ }
+
+ /* Check that the given MAC address is valid. If it isn't, read the
+ * current MAC from the controller. */
+ if (!is_valid_ether_addr(netdev->dev_addr))
+ ethoc_get_mac_address(netdev, netdev->dev_addr);
+
+ /* Check the MAC again for validity, if it still isn't choose and
+ * program a random one. */
+ if (!is_valid_ether_addr(netdev->dev_addr))
+ random_ether_addr(netdev->dev_addr);
+
+ ethoc_set_mac_address(netdev, netdev->dev_addr);
+
+ /* register MII bus */
+ priv->mdio = mdiobus_alloc();
+ if (!priv->mdio) {
+ ret = -ENOMEM;
+ goto free;
+ }
+
+ priv->mdio->name = "ethoc-mdio";
+ snprintf(priv->mdio->id, MII_BUS_ID_SIZE, "%s-%d",
+ priv->mdio->name, pdev->id);
+ priv->mdio->read = ethoc_mdio_read;
+ priv->mdio->write = ethoc_mdio_write;
+ priv->mdio->reset = ethoc_mdio_reset;
+ priv->mdio->priv = priv;
+
+ priv->mdio->irq = kmalloc(sizeof(int) * PHY_MAX_ADDR, GFP_KERNEL);
+ if (!priv->mdio->irq) {
+ ret = -ENOMEM;
+ goto free_mdio;
+ }
+
+ for (phy = 0; phy < PHY_MAX_ADDR; phy++)
+ priv->mdio->irq[phy] = PHY_POLL;
+
+ ret = mdiobus_register(priv->mdio);
+ if (ret) {
+ dev_err(&netdev->dev, "failed to register MDIO bus\n");
+ goto free_mdio;
+ }
+
+ ret = ethoc_mdio_probe(netdev);
+ if (ret) {
+ dev_err(&netdev->dev, "failed to probe MDIO bus\n");
+ goto error;
+ }
+
+ ether_setup(netdev);
+
+ /* setup the net_device structure */
+ netdev->netdev_ops = &ethoc_netdev_ops;
+ netdev->watchdog_timeo = ETHOC_TIMEOUT;
+ netdev->features |= 0;
+
+ /* setup NAPI */
+ memset(&priv->napi, 0, sizeof(priv->napi));
+ netif_napi_add(netdev, &priv->napi, ethoc_poll, 64);
+
+ spin_lock_init(&priv->rx_lock);
+ spin_lock_init(&priv->lock);
+
+ ret = register_netdev(netdev);
+ if (ret < 0) {
+ dev_err(&netdev->dev, "failed to register interface\n");
+ goto error;
+ }
+
+ goto out;
+
+error:
+ mdiobus_unregister(priv->mdio);
+free_mdio:
+ kfree(priv->mdio->irq);
+ mdiobus_free(priv->mdio);
+free:
+ free_netdev(netdev);
+out:
+ return ret;
+}
+
+/**
+ * ethoc_remove() - shutdown OpenCores ethernet MAC
+ * @pdev: platform device
+ */
+static int ethoc_remove(struct platform_device *pdev)
+{
+ struct net_device *netdev = platform_get_drvdata(pdev);
+ struct ethoc *priv = netdev_priv(netdev);
+
+ platform_set_drvdata(pdev, NULL);
+
+ if (netdev) {
+ phy_disconnect(priv->phy);
+ priv->phy = NULL;
+
+ if (priv->mdio) {
+ mdiobus_unregister(priv->mdio);
+ kfree(priv->mdio->irq);
+ mdiobus_free(priv->mdio);
+ }
+
+ unregister_netdev(netdev);
+ free_netdev(netdev);
+ }
+
+ return 0;
+}
+
+#ifdef CONFIG_PM
+static int ethoc_suspend(struct platform_device *pdev, pm_message_t state)
+{
+ return -ENOSYS;
+}
+
+static int ethoc_resume(struct platform_device *pdev)
+{
+ return -ENOSYS;
+}
+#else
+# define ethoc_suspend NULL
+# define ethoc_resume NULL
+#endif
+
+static struct platform_driver ethoc_driver = {
+ .probe = ethoc_probe,
+ .remove = ethoc_remove,
+ .suspend = ethoc_suspend,
+ .resume = ethoc_resume,
+ .driver = {
+ .name = "ethoc",
+ },
+};
+
+static int __init ethoc_init(void)
+{
+ return platform_driver_register(&ethoc_driver);
+}
+
+static void __exit ethoc_exit(void)
+{
+ platform_driver_unregister(&ethoc_driver);
+}
+
+module_init(ethoc_init);
+module_exit(ethoc_exit);
+
+MODULE_AUTHOR("Thierry Reding <thierry.reding@avionic-design.de>");
+MODULE_DESCRIPTION("OpenCores Ethernet MAC driver");
+MODULE_LICENSE("GPL v2");
+
diff --git a/drivers/net/ewrk3.c b/drivers/net/ewrk3.c
index b852303c936..1a685a04d4b 100644
--- a/drivers/net/ewrk3.c
+++ b/drivers/net/ewrk3.c
@@ -388,6 +388,18 @@ static int __init ewrk3_probe1(struct net_device *dev, u_long iobase, int irq)
return err;
}
+static const struct net_device_ops ewrk3_netdev_ops = {
+ .ndo_open = ewrk3_open,
+ .ndo_start_xmit = ewrk3_queue_pkt,
+ .ndo_stop = ewrk3_close,
+ .ndo_set_multicast_list = set_multicast_list,
+ .ndo_do_ioctl = ewrk3_ioctl,
+ .ndo_tx_timeout = ewrk3_timeout,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
static int __init
ewrk3_hw_init(struct net_device *dev, u_long iobase)
{
@@ -603,16 +615,11 @@ ewrk3_hw_init(struct net_device *dev, u_long iobase)
printk(version);
}
/* The EWRK3-specific entries in the device structure. */
- dev->open = ewrk3_open;
- dev->hard_start_xmit = ewrk3_queue_pkt;
- dev->stop = ewrk3_close;
- dev->set_multicast_list = set_multicast_list;
- dev->do_ioctl = ewrk3_ioctl;
+ dev->netdev_ops = &ewrk3_netdev_ops;
if (lp->adapter_name[4] == '3')
SET_ETHTOOL_OPS(dev, &ethtool_ops_203);
else
SET_ETHTOOL_OPS(dev, &ethtool_ops);
- dev->tx_timeout = ewrk3_timeout;
dev->watchdog_timeo = QUEUE_PKT_TIMEOUT;
dev->mem_start = 0;
diff --git a/drivers/net/gianfar.c b/drivers/net/gianfar.c
index 9d81e7a48db..6a38800be3f 100644
--- a/drivers/net/gianfar.c
+++ b/drivers/net/gianfar.c
@@ -1239,19 +1239,9 @@ static int gfar_enet_open(struct net_device *dev)
return err;
}
-static inline struct txfcb *gfar_add_fcb(struct sk_buff **skbp)
+static inline struct txfcb *gfar_add_fcb(struct sk_buff *skb)
{
- struct txfcb *fcb;
- struct sk_buff *skb = *skbp;
-
- if (unlikely(skb_headroom(skb) < GMAC_FCB_LEN)) {
- struct sk_buff *old_skb = skb;
- skb = skb_realloc_headroom(old_skb, GMAC_FCB_LEN);
- if (!skb)
- return NULL;
- dev_kfree_skb_any(old_skb);
- }
- fcb = (struct txfcb *)skb_push(skb, GMAC_FCB_LEN);
+ struct txfcb *fcb = (struct txfcb *)skb_push(skb, GMAC_FCB_LEN);
cacheable_memzero(fcb, GMAC_FCB_LEN);
return fcb;
@@ -1320,6 +1310,22 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
base = priv->tx_bd_base;
+ /* make space for additional header when fcb is needed */
+ if (((skb->ip_summed == CHECKSUM_PARTIAL) ||
+ (priv->vlgrp && vlan_tx_tag_present(skb))) &&
+ (skb_headroom(skb) < GMAC_FCB_LEN)) {
+ struct sk_buff *skb_new;
+
+ skb_new = skb_realloc_headroom(skb, GMAC_FCB_LEN);
+ if (!skb_new) {
+ dev->stats.tx_errors++;
+ kfree_skb(skb);
+ return NETDEV_TX_OK;
+ }
+ kfree_skb(skb);
+ skb = skb_new;
+ }
+
/* total number of fragments in the SKB */
nr_frags = skb_shinfo(skb)->nr_frags;
@@ -1372,20 +1378,18 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* Set up checksumming */
if (CHECKSUM_PARTIAL == skb->ip_summed) {
- fcb = gfar_add_fcb(&skb);
- if (likely(fcb != NULL)) {
- lstatus |= BD_LFLAG(TXBD_TOE);
- gfar_tx_checksum(skb, fcb);
- }
+ fcb = gfar_add_fcb(skb);
+ lstatus |= BD_LFLAG(TXBD_TOE);
+ gfar_tx_checksum(skb, fcb);
}
if (priv->vlgrp && vlan_tx_tag_present(skb)) {
- if (unlikely(NULL == fcb))
- fcb = gfar_add_fcb(&skb);
- if (likely(fcb != NULL)) {
+ if (unlikely(NULL == fcb)) {
+ fcb = gfar_add_fcb(skb);
lstatus |= BD_LFLAG(TXBD_TOE);
- gfar_tx_vlan(skb, fcb);
}
+
+ gfar_tx_vlan(skb, fcb);
}
/* setup the TxBD length and buffer pointer for the first BD */
@@ -1433,7 +1437,7 @@ static int gfar_start_xmit(struct sk_buff *skb, struct net_device *dev)
/* Unlock priv */
spin_unlock_irqrestore(&priv->txlock, flags);
- return 0;
+ return NETDEV_TX_OK;
}
/* Stops the kernel queue, and halts the controller */
diff --git a/drivers/net/ibmlana.c b/drivers/net/ibmlana.c
index 5b5bf9f9861..c25bc0bc0b2 100644
--- a/drivers/net/ibmlana.c
+++ b/drivers/net/ibmlana.c
@@ -905,6 +905,17 @@ static char *ibmlana_adapter_names[] __devinitdata = {
NULL
};
+
+static const struct net_device_ops ibmlana_netdev_ops = {
+ .ndo_open = ibmlana_open,
+ .ndo_stop = ibmlana_close,
+ .ndo_start_xmit = ibmlana_tx,
+ .ndo_set_multicast_list = ibmlana_set_multicast_list,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
static int __devinit ibmlana_init_one(struct device *kdev)
{
struct mca_device *mdev = to_mca_device(kdev);
@@ -973,11 +984,7 @@ static int __devinit ibmlana_init_one(struct device *kdev)
mca_device_set_claim(mdev, 1);
/* set methods */
-
- dev->open = ibmlana_open;
- dev->stop = ibmlana_close;
- dev->hard_start_xmit = ibmlana_tx;
- dev->set_multicast_list = ibmlana_set_multicast_list;
+ dev->netdev_ops = &ibmlana_netdev_ops;
dev->flags |= IFF_MULTICAST;
/* copy out MAC address */
diff --git a/drivers/net/irda/donauboe.c b/drivers/net/irda/donauboe.c
index 6f3e7f71658..6b6548b9fda 100644
--- a/drivers/net/irda/donauboe.c
+++ b/drivers/net/irda/donauboe.c
@@ -1524,6 +1524,13 @@ toshoboe_close (struct pci_dev *pci_dev)
free_netdev(self->netdev);
}
+static const struct net_device_ops toshoboe_netdev_ops = {
+ .ndo_open = toshoboe_net_open,
+ .ndo_stop = toshoboe_net_close,
+ .ndo_start_xmit = toshoboe_hard_xmit,
+ .ndo_do_ioctl = toshoboe_net_ioctl,
+};
+
static int
toshoboe_open (struct pci_dev *pci_dev, const struct pci_device_id *pdid)
{
@@ -1657,10 +1664,7 @@ toshoboe_open (struct pci_dev *pci_dev, const struct pci_device_id *pdid)
#endif
SET_NETDEV_DEV(dev, &pci_dev->dev);
- dev->hard_start_xmit = toshoboe_hard_xmit;
- dev->open = toshoboe_net_open;
- dev->stop = toshoboe_net_close;
- dev->do_ioctl = toshoboe_net_ioctl;
+ dev->netdev_ops = &toshoboe_netdev_ops;
err = register_netdev(dev);
if (err)
diff --git a/drivers/net/lance.c b/drivers/net/lance.c
index d83d4010656..633808d447b 100644
--- a/drivers/net/lance.c
+++ b/drivers/net/lance.c
@@ -454,6 +454,18 @@ out:
}
#endif
+static const struct net_device_ops lance_netdev_ops = {
+ .ndo_open = lance_open,
+ .ndo_start_xmit = lance_start_xmit,
+ .ndo_stop = lance_close,
+ .ndo_get_stats = lance_get_stats,
+ .ndo_set_multicast_list = set_multicast_list,
+ .ndo_tx_timeout = lance_tx_timeout,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
static int __init lance_probe1(struct net_device *dev, int ioaddr, int irq, int options)
{
struct lance_private *lp;
@@ -714,12 +726,7 @@ static int __init lance_probe1(struct net_device *dev, int ioaddr, int irq, int
printk(version);
/* The LANCE-specific entries in the device structure. */
- dev->open = lance_open;
- dev->hard_start_xmit = lance_start_xmit;
- dev->stop = lance_close;
- dev->get_stats = lance_get_stats;
- dev->set_multicast_list = set_multicast_list;
- dev->tx_timeout = lance_tx_timeout;
+ dev->netdev_ops = &lance_netdev_ops;
dev->watchdog_timeo = TX_TIMEOUT;
err = register_netdev(dev);
diff --git a/drivers/net/lp486e.c b/drivers/net/lp486e.c
index 4d1a059921c..d44bddbee37 100644
--- a/drivers/net/lp486e.c
+++ b/drivers/net/lp486e.c
@@ -952,6 +952,17 @@ static void print_eth(char *add)
(unsigned char) add[12], (unsigned char) add[13]);
}
+static const struct net_device_ops i596_netdev_ops = {
+ .ndo_open = i596_open,
+ .ndo_stop = i596_close,
+ .ndo_start_xmit = i596_start_xmit,
+ .ndo_set_multicast_list = set_multicast_list,
+ .ndo_tx_timeout = i596_tx_timeout,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
static int __init lp486e_probe(struct net_device *dev) {
struct i596_private *lp;
unsigned char eth_addr[6] = { 0, 0xaa, 0, 0, 0, 0 };
@@ -1014,12 +1025,8 @@ static int __init lp486e_probe(struct net_device *dev) {
printk("\n");
/* The LP486E-specific entries in the device structure. */
- dev->open = &i596_open;
- dev->stop = &i596_close;
- dev->hard_start_xmit = &i596_start_xmit;
- dev->set_multicast_list = &set_multicast_list;
+ dev->netdev_ops = &i596_netdev_ops;
dev->watchdog_timeo = 5*HZ;
- dev->tx_timeout = i596_tx_timeout;
#if 0
/* selftest reports 0x320925ae - don't know what that means */
diff --git a/drivers/net/ni52.c b/drivers/net/ni52.c
index a8bcc00c330..77d44a06170 100644
--- a/drivers/net/ni52.c
+++ b/drivers/net/ni52.c
@@ -441,6 +441,18 @@ out:
return ERR_PTR(err);
}
+static const struct net_device_ops ni52_netdev_ops = {
+ .ndo_open = ni52_open,
+ .ndo_stop = ni52_close,
+ .ndo_get_stats = ni52_get_stats,
+ .ndo_tx_timeout = ni52_timeout,
+ .ndo_start_xmit = ni52_send_packet,
+ .ndo_set_multicast_list = set_multicast_list,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
static int __init ni52_probe1(struct net_device *dev, int ioaddr)
{
int i, size, retval;
@@ -561,15 +573,8 @@ static int __init ni52_probe1(struct net_device *dev, int ioaddr)
printk("IRQ %d (assigned and not checked!).\n", dev->irq);
}
- dev->open = ni52_open;
- dev->stop = ni52_close;
- dev->get_stats = ni52_get_stats;
- dev->tx_timeout = ni52_timeout;
+ dev->netdev_ops = &ni52_netdev_ops;
dev->watchdog_timeo = HZ/20;
- dev->hard_start_xmit = ni52_send_packet;
- dev->set_multicast_list = set_multicast_list;
-
- dev->if_port = 0;
return 0;
out:
diff --git a/drivers/net/ni65.c b/drivers/net/ni65.c
index df5f869e8d8..6474f02bf78 100644
--- a/drivers/net/ni65.c
+++ b/drivers/net/ni65.c
@@ -237,7 +237,7 @@ struct priv
void *tmdbounce[TMDNUM];
int tmdbouncenum;
int lock,xmit_queued;
- struct net_device_stats stats;
+
void *self;
int cmdr_addr;
int cardno;
@@ -257,7 +257,6 @@ static void ni65_timeout(struct net_device *dev);
static int ni65_close(struct net_device *dev);
static int ni65_alloc_buffer(struct net_device *dev);
static void ni65_free_buffer(struct priv *p);
-static struct net_device_stats *ni65_get_stats(struct net_device *);
static void set_multicast_list(struct net_device *dev);
static int irqtab[] __initdata = { 9,12,15,5 }; /* irq config-translate */
@@ -401,6 +400,17 @@ out:
return ERR_PTR(err);
}
+static const struct net_device_ops ni65_netdev_ops = {
+ .ndo_open = ni65_open,
+ .ndo_stop = ni65_close,
+ .ndo_start_xmit = ni65_send_packet,
+ .ndo_tx_timeout = ni65_timeout,
+ .ndo_set_multicast_list = set_multicast_list,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
/*
* this is the real card probe ..
*/
@@ -549,13 +559,9 @@ static int __init ni65_probe1(struct net_device *dev,int ioaddr)
}
dev->base_addr = ioaddr;
- dev->open = ni65_open;
- dev->stop = ni65_close;
- dev->hard_start_xmit = ni65_send_packet;
- dev->tx_timeout = ni65_timeout;
+ dev->netdev_ops = &ni65_netdev_ops;
dev->watchdog_timeo = HZ/2;
- dev->get_stats = ni65_get_stats;
- dev->set_multicast_list = set_multicast_list;
+
return 0; /* everything is OK */
}
@@ -901,13 +907,13 @@ static irqreturn_t ni65_interrupt(int irq, void * dev_id)
if(debuglevel > 1)
printk(KERN_ERR "%s: general error: %04x.\n",dev->name,csr0);
if(csr0 & CSR0_BABL)
- p->stats.tx_errors++;
+ dev->stats.tx_errors++;
if(csr0 & CSR0_MISS) {
int i;
for(i=0;i<RMDNUM;i++)
printk("%02x ",p->rmdhead[i].u.s.status);
printk("\n");
- p->stats.rx_errors++;
+ dev->stats.rx_errors++;
}
if(csr0 & CSR0_MERR) {
if(debuglevel > 1)
@@ -997,12 +1003,12 @@ static void ni65_xmit_intr(struct net_device *dev,int csr0)
#endif
/* checking some errors */
if(tmdp->status2 & XMIT_RTRY)
- p->stats.tx_aborted_errors++;
+ dev->stats.tx_aborted_errors++;
if(tmdp->status2 & XMIT_LCAR)
- p->stats.tx_carrier_errors++;
+ dev->stats.tx_carrier_errors++;
if(tmdp->status2 & (XMIT_BUFF | XMIT_UFLO )) {
/* this stops the xmitter */
- p->stats.tx_fifo_errors++;
+ dev->stats.tx_fifo_errors++;
if(debuglevel > 0)
printk(KERN_ERR "%s: Xmit FIFO/BUFF error\n",dev->name);
if(p->features & INIT_RING_BEFORE_START) {
@@ -1016,12 +1022,12 @@ static void ni65_xmit_intr(struct net_device *dev,int csr0)
if(debuglevel > 2)
printk(KERN_ERR "%s: xmit-error: %04x %02x-%04x\n",dev->name,csr0,(int) tmdstat,(int) tmdp->status2);
if(!(csr0 & CSR0_BABL)) /* don't count errors twice */
- p->stats.tx_errors++;
+ dev->stats.tx_errors++;
tmdp->status2 = 0;
}
else {
- p->stats.tx_bytes -= (short)(tmdp->blen);
- p->stats.tx_packets++;
+ dev->stats.tx_bytes -= (short)(tmdp->blen);
+ dev->stats.tx_packets++;
}
#ifdef XMT_VIA_SKB
@@ -1057,7 +1063,7 @@ static void ni65_recv_intr(struct net_device *dev,int csr0)
if(!(rmdstat & RCV_ERR)) {
if(rmdstat & RCV_START)
{
- p->stats.rx_length_errors++;
+ dev->stats.rx_length_errors++;
printk(KERN_ERR "%s: recv, packet too long: %d\n",dev->name,rmdp->mlen & 0x0fff);
}
}
@@ -1066,16 +1072,16 @@ static void ni65_recv_intr(struct net_device *dev,int csr0)
printk(KERN_ERR "%s: receive-error: %04x, lance-status: %04x/%04x\n",
dev->name,(int) rmdstat,csr0,(int) inw(PORT+L_DATAREG) );
if(rmdstat & RCV_FRAM)
- p->stats.rx_frame_errors++;
+ dev->stats.rx_frame_errors++;
if(rmdstat & RCV_OFLO)
- p->stats.rx_over_errors++;
+ dev->stats.rx_over_errors++;
if(rmdstat & RCV_CRC)
- p->stats.rx_crc_errors++;
+ dev->stats.rx_crc_errors++;
if(rmdstat & RCV_BUF_ERR)
- p->stats.rx_fifo_errors++;
+ dev->stats.rx_fifo_errors++;
}
if(!(csr0 & CSR0_MISS)) /* don't count errors twice */
- p->stats.rx_errors++;
+ dev->stats.rx_errors++;
}
else if( (len = (rmdp->mlen & 0x0fff) - 4) >= 60)
{
@@ -1106,20 +1112,20 @@ static void ni65_recv_intr(struct net_device *dev,int csr0)
skb_put(skb,len);
skb_copy_to_linear_data(skb, (unsigned char *) p->recvbounce[p->rmdnum],len);
#endif
- p->stats.rx_packets++;
- p->stats.rx_bytes += len;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += len;
skb->protocol=eth_type_trans(skb,dev);
netif_rx(skb);
}
else
{
printk(KERN_ERR "%s: can't alloc new sk_buff\n",dev->name);
- p->stats.rx_dropped++;
+ dev->stats.rx_dropped++;
}
}
else {
printk(KERN_INFO "%s: received runt packet\n",dev->name);
- p->stats.rx_errors++;
+ dev->stats.rx_errors++;
}
rmdp->blen = -(R_BUF_SIZE-8);
rmdp->mlen = 0;
@@ -1213,23 +1219,6 @@ static int ni65_send_packet(struct sk_buff *skb, struct net_device *dev)
return 0;
}
-static struct net_device_stats *ni65_get_stats(struct net_device *dev)
-{
-
-#if 0
- int i;
- struct priv *p = dev->ml_priv;
- for(i=0;i<RMDNUM;i++)
- {
- struct rmd *rmdp = p->rmdhead + ((p->rmdnum + i) & (RMDNUM-1));
- printk("%02x ",rmdp->u.s.status);
- }
- printk("\n");
-#endif
-
- return &((struct priv *)dev->ml_priv)->stats;
-}
-
static void set_multicast_list(struct net_device *dev)
{
if(!ni65_lance_reinit(dev))
diff --git a/drivers/net/seeq8005.c b/drivers/net/seeq8005.c
index 12a8ffffeb0..ebbbe09725f 100644
--- a/drivers/net/seeq8005.c
+++ b/drivers/net/seeq8005.c
@@ -143,6 +143,17 @@ out:
return ERR_PTR(err);
}
+static const struct net_device_ops seeq8005_netdev_ops = {
+ .ndo_open = seeq8005_open,
+ .ndo_stop = seeq8005_close,
+ .ndo_start_xmit = seeq8005_send_packet,
+ .ndo_tx_timeout = seeq8005_timeout,
+ .ndo_set_multicast_list = set_multicast_list,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
/* This is the real probe routine. Linux has a history of friendly device
probes on the ISA bus. A good device probes avoids doing writes, and
verifies that the correct device exists and functions. */
@@ -332,12 +343,8 @@ static int __init seeq8005_probe1(struct net_device *dev, int ioaddr)
}
}
#endif
- dev->open = seeq8005_open;
- dev->stop = seeq8005_close;
- dev->hard_start_xmit = seeq8005_send_packet;
- dev->tx_timeout = seeq8005_timeout;
+ dev->netdev_ops = &seeq8005_netdev_ops;
dev->watchdog_timeo = HZ/20;
- dev->set_multicast_list = set_multicast_list;
dev->flags &= ~IFF_MULTICAST;
return 0;
diff --git a/drivers/net/smc-ultra.c b/drivers/net/smc-ultra.c
index 2033fee3143..0291ea098a0 100644
--- a/drivers/net/smc-ultra.c
+++ b/drivers/net/smc-ultra.c
@@ -142,9 +142,6 @@ static int __init do_ultra_probe(struct net_device *dev)
int base_addr = dev->base_addr;
int irq = dev->irq;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- dev->poll_controller = &ultra_poll;
-#endif
if (base_addr > 0x1ff) /* Check a single specified location. */
return ultra_probe1(dev, base_addr);
else if (base_addr != 0) /* Don't probe at all. */
@@ -199,7 +196,7 @@ static const struct net_device_ops ultra_netdev_ops = {
.ndo_set_mac_address = eth_mac_addr,
.ndo_change_mtu = eth_change_mtu,
#ifdef CONFIG_NET_POLL_CONTROLLER
- .ndo_poll_controller = ei_poll,
+ .ndo_poll_controller = ultra_poll,
#endif
};
diff --git a/drivers/net/smc-ultra32.c b/drivers/net/smc-ultra32.c
index cb6c097a2e0..7a554adc70f 100644
--- a/drivers/net/smc-ultra32.c
+++ b/drivers/net/smc-ultra32.c
@@ -153,6 +153,22 @@ out:
return ERR_PTR(err);
}
+
+static const struct net_device_ops ultra32_netdev_ops = {
+ .ndo_open = ultra32_open,
+ .ndo_stop = ultra32_close,
+ .ndo_start_xmit = ei_start_xmit,
+ .ndo_tx_timeout = ei_tx_timeout,
+ .ndo_get_stats = ei_get_stats,
+ .ndo_set_multicast_list = ei_set_multicast_list,
+ .ndo_validate_addr = eth_validate_addr,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_change_mtu = eth_change_mtu,
+#ifdef CONFIG_NET_POLL_CONTROLLER
+ .ndo_poll_controller = ei_poll,
+#endif
+};
+
static int __init ultra32_probe1(struct net_device *dev, int ioaddr)
{
int i, edge, media, retval;
@@ -273,11 +289,8 @@ static int __init ultra32_probe1(struct net_device *dev, int ioaddr)
ei_status.block_output = &ultra32_block_output;
ei_status.get_8390_hdr = &ultra32_get_8390_hdr;
ei_status.reset_8390 = &ultra32_reset_8390;
- dev->open = &ultra32_open;
- dev->stop = &ultra32_close;
-#ifdef CONFIG_NET_POLL_CONTROLLER
- dev->poll_controller = ei_poll;
-#endif
+
+ dev->netdev_ops = &ultra32_netdev_ops;
NS8390_init(dev, 0);
return 0;
diff --git a/drivers/net/smc9194.c b/drivers/net/smc9194.c
index 18d653bbd4e..9a7973a5411 100644
--- a/drivers/net/smc9194.c
+++ b/drivers/net/smc9194.c
@@ -831,6 +831,17 @@ static int __init smc_findirq(int ioaddr)
#endif
}
+static const struct net_device_ops smc_netdev_ops = {
+ .ndo_open = smc_open,
+ .ndo_stop = smc_close,
+ .ndo_start_xmit = smc_wait_to_send_packet,
+ .ndo_tx_timeout = smc_timeout,
+ .ndo_set_multicast_list = smc_set_multicast_list,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_set_mac_address = eth_mac_addr,
+ .ndo_validate_addr = eth_validate_addr,
+};
+
/*----------------------------------------------------------------------
. Function: smc_probe( int ioaddr )
.
@@ -1044,12 +1055,8 @@ static int __init smc_probe(struct net_device *dev, int ioaddr)
goto err_out;
}
- dev->open = smc_open;
- dev->stop = smc_close;
- dev->hard_start_xmit = smc_wait_to_send_packet;
- dev->tx_timeout = smc_timeout;
+ dev->netdev_ops = &smc_netdev_ops;
dev->watchdog_timeo = HZ/20;
- dev->set_multicast_list = smc_set_multicast_list;
return 0;
diff --git a/drivers/net/smsc911x.c b/drivers/net/smsc911x.c
index ad3cbc91a8f..af8f60ca0f5 100644
--- a/drivers/net/smsc911x.c
+++ b/drivers/net/smsc911x.c
@@ -1680,6 +1680,7 @@ static int smsc911x_eeprom_write_location(struct smsc911x_data *pdata,
u8 address, u8 data)
{
u32 op = E2P_CMD_EPC_CMD_ERASE_ | address;
+ u32 temp;
int ret;
SMSC_TRACE(DRV, "address 0x%x, data 0x%x", address, data);
@@ -1688,6 +1689,10 @@ static int smsc911x_eeprom_write_location(struct smsc911x_data *pdata,
if (!ret) {
op = E2P_CMD_EPC_CMD_WRITE_ | address;
smsc911x_reg_write(pdata, E2P_DATA, (u32)data);
+
+ /* Workaround for hardware read-after-write restriction */
+ temp = smsc911x_reg_read(pdata, BYTE_TEST);
+
ret = smsc911x_eeprom_send_cmd(pdata, op);
}
diff --git a/drivers/net/tokenring/madgemc.c b/drivers/net/tokenring/madgemc.c
index 193308118f9..456f8bff40b 100644
--- a/drivers/net/tokenring/madgemc.c
+++ b/drivers/net/tokenring/madgemc.c
@@ -142,7 +142,7 @@ static void madgemc_sifwritew(struct net_device *dev, unsigned short val, unsign
return;
}
-
+static struct net_device_ops madgemc_netdev_ops __read_mostly;
static int __devinit madgemc_probe(struct device *device)
{
@@ -168,7 +168,7 @@ static int __devinit madgemc_probe(struct device *device)
goto getout;
}
- dev->dma = 0;
+ dev->netdev_ops = &madgemc_netdev_ops;
card = kmalloc(sizeof(struct card_info), GFP_KERNEL);
if (card==NULL) {
@@ -348,9 +348,6 @@ static int __devinit madgemc_probe(struct device *device)
memcpy(tp->ProductID, "Madge MCA 16/4 ", PROD_ID_SIZE + 1);
- dev->open = madgemc_open;
- dev->stop = madgemc_close;
-
tp->tmspriv = card;
dev_set_drvdata(device, dev);
@@ -758,6 +755,10 @@ static struct mca_driver madgemc_driver = {
static int __init madgemc_init (void)
{
+ madgemc_netdev_ops = tms380tr_netdev_ops;
+ madgemc_netdev_ops.ndo_open = madgemc_open;
+ madgemc_netdev_ops.ndo_stop = madgemc_close;
+
return mca_register_driver (&madgemc_driver);
}
diff --git a/drivers/net/tokenring/proteon.c b/drivers/net/tokenring/proteon.c
index b8c955f6d31..16e8783ee9c 100644
--- a/drivers/net/tokenring/proteon.c
+++ b/drivers/net/tokenring/proteon.c
@@ -116,6 +116,8 @@ nodev:
return -ENODEV;
}
+static struct net_device_ops proteon_netdev_ops __read_mostly;
+
static int __init setup_card(struct net_device *dev, struct device *pdev)
{
struct net_local *tp;
@@ -167,8 +169,7 @@ static int __init setup_card(struct net_device *dev, struct device *pdev)
tp->tmspriv = NULL;
- dev->open = proteon_open;
- dev->stop = tms380tr_close;
+ dev->netdev_ops = &proteon_netdev_ops;
if (dev->irq == 0)
{
@@ -352,6 +353,10 @@ static int __init proteon_init(void)
struct platform_device *pdev;
int i, num = 0, err = 0;
+ proteon_netdev_ops = tms380tr_netdev_ops;
+ proteon_netdev_ops.ndo_open = proteon_open;
+ proteon_netdev_ops.ndo_stop = tms380tr_close;
+
err = platform_driver_register(&proteon_driver);
if (err)
return err;
diff --git a/drivers/net/tokenring/skisa.c b/drivers/net/tokenring/skisa.c
index c0f58f08782..46db5c5395b 100644
--- a/drivers/net/tokenring/skisa.c
+++ b/drivers/net/tokenring/skisa.c
@@ -133,6 +133,8 @@ static int __init sk_isa_probe1(struct net_device *dev, int ioaddr)
return 0;
}
+static struct net_device_ops sk_isa_netdev_ops __read_mostly;
+
static int __init setup_card(struct net_device *dev, struct device *pdev)
{
struct net_local *tp;
@@ -184,8 +186,7 @@ static int __init setup_card(struct net_device *dev, struct device *pdev)
tp->tmspriv = NULL;
- dev->open = sk_isa_open;
- dev->stop = tms380tr_close;
+ dev->netdev_ops = &sk_isa_netdev_ops;
if (dev->irq == 0)
{
@@ -362,6 +363,10 @@ static int __init sk_isa_init(void)
struct platform_device *pdev;
int i, num = 0, err = 0;
+ sk_isa_netdev_ops = tms380tr_netdev_ops;
+ sk_isa_netdev_ops.ndo_open = sk_isa_open;
+ sk_isa_netdev_ops.ndo_stop = tms380tr_close;
+
err = platform_driver_register(&sk_isa_driver);
if (err)
return err;
diff --git a/drivers/net/tokenring/smctr.c b/drivers/net/tokenring/smctr.c
index 9d7db2c8d66..a91d9c55d78 100644
--- a/drivers/net/tokenring/smctr.c
+++ b/drivers/net/tokenring/smctr.c
@@ -124,7 +124,6 @@ static unsigned int smctr_get_num_rx_bdbs(struct net_device *dev);
static int smctr_get_physical_drop_number(struct net_device *dev);
static __u8 *smctr_get_rx_pointer(struct net_device *dev, short queue);
static int smctr_get_station_id(struct net_device *dev);
-static struct net_device_stats *smctr_get_stats(struct net_device *dev);
static FCBlock *smctr_get_tx_fcb(struct net_device *dev, __u16 queue,
__u16 bytes_count);
static int smctr_get_upstream_neighbor_addr(struct net_device *dev);
@@ -3633,6 +3632,14 @@ out:
return ERR_PTR(err);
}
+static const struct net_device_ops smctr_netdev_ops = {
+ .ndo_open = smctr_open,
+ .ndo_stop = smctr_close,
+ .ndo_start_xmit = smctr_send_packet,
+ .ndo_tx_timeout = smctr_timeout,
+ .ndo_get_stats = smctr_get_stats,
+ .ndo_set_multicast_list = smctr_set_multicast_list,
+};
static int __init smctr_probe1(struct net_device *dev, int ioaddr)
{
@@ -3683,13 +3690,8 @@ static int __init smctr_probe1(struct net_device *dev, int ioaddr)
(unsigned int)dev->base_addr,
dev->irq, tp->rom_base, tp->ram_base);
- dev->open = smctr_open;
- dev->stop = smctr_close;
- dev->hard_start_xmit = smctr_send_packet;
- dev->tx_timeout = smctr_timeout;
+ dev->netdev_ops = &smctr_netdev_ops;
dev->watchdog_timeo = HZ;
- dev->get_stats = smctr_get_stats;
- dev->set_multicast_list = &smctr_set_multicast_list;
return (0);
out:
diff --git a/drivers/net/ucc_geth.c b/drivers/net/ucc_geth.c
index a110326dce6..86a479f61c0 100644
--- a/drivers/net/ucc_geth.c
+++ b/drivers/net/ucc_geth.c
@@ -2009,6 +2009,9 @@ static void ucc_geth_stop(struct ucc_geth_private *ugeth)
/* Disable Rx and Tx */
clrbits32(&ug_regs->maccfg1, MACCFG1_ENABLE_RX | MACCFG1_ENABLE_TX);
+ phy_disconnect(ugeth->phydev);
+ ugeth->phydev = NULL;
+
ucc_geth_memclean(ugeth);
}
@@ -3345,6 +3348,14 @@ static int ucc_geth_open(struct net_device *dev)
return -EINVAL;
}
+ err = init_phy(dev);
+ if (err) {
+ if (netif_msg_ifup(ugeth))
+ ugeth_err("%s: Cannot initialize PHY, aborting.",
+ dev->name);
+ return err;
+ }
+
err = ucc_struct_init(ugeth);
if (err) {
if (netif_msg_ifup(ugeth))
@@ -3381,13 +3392,6 @@ static int ucc_geth_open(struct net_device *dev)
&ugeth->ug_regs->macstnaddr1,
&ugeth->ug_regs->macstnaddr2);
- err = init_phy(dev);
- if (err) {
- if (netif_msg_ifup(ugeth))
- ugeth_err("%s: Cannot initialize PHY, aborting.", dev->name);
- goto out_err;
- }
-
phy_start(ugeth->phydev);
err = ugeth_enable(ugeth, COMM_DIR_RX_AND_TX);
@@ -3430,9 +3434,6 @@ static int ucc_geth_close(struct net_device *dev)
free_irq(ugeth->ug_info->uf_info.irq, ugeth->dev);
- phy_disconnect(ugeth->phydev);
- ugeth->phydev = NULL;
-
netif_stop_queue(dev);
return 0;
diff --git a/drivers/net/wan/sdla.c b/drivers/net/wan/sdla.c
index 6a07ba9371d..1d637f407a0 100644
--- a/drivers/net/wan/sdla.c
+++ b/drivers/net/wan/sdla.c
@@ -714,19 +714,19 @@ static int sdla_transmit(struct sk_buff *skb, struct net_device *dev)
switch (ret)
{
case SDLA_RET_OK:
- flp->stats.tx_packets++;
+ dev->stats.tx_packets++;
ret = DLCI_RET_OK;
break;
case SDLA_RET_CIR_OVERFLOW:
case SDLA_RET_BUF_OVERSIZE:
case SDLA_RET_NO_BUFS:
- flp->stats.tx_dropped++;
+ dev->stats.tx_dropped++;
ret = DLCI_RET_DROP;
break;
default:
- flp->stats.tx_errors++;
+ dev->stats.tx_errors++;
ret = DLCI_RET_ERR;
break;
}
@@ -807,7 +807,7 @@ static void sdla_receive(struct net_device *dev)
if (i == CONFIG_DLCI_MAX)
{
printk(KERN_NOTICE "%s: Received packet from invalid DLCI %i, ignoring.", dev->name, dlci);
- flp->stats.rx_errors++;
+ dev->stats.rx_errors++;
success = 0;
}
}
@@ -819,7 +819,7 @@ static void sdla_receive(struct net_device *dev)
if (skb == NULL)
{
printk(KERN_NOTICE "%s: Memory squeeze, dropping packet.\n", dev->name);
- flp->stats.rx_dropped++;
+ dev->stats.rx_dropped++;
success = 0;
}
else
@@ -859,7 +859,7 @@ static void sdla_receive(struct net_device *dev)
if (success)
{
- flp->stats.rx_packets++;
+ dev->stats.rx_packets++;
dlp = netdev_priv(master);
(*dlp->receive)(skb, master);
}
@@ -1590,13 +1590,14 @@ fail:
return err;
}
-static struct net_device_stats *sdla_stats(struct net_device *dev)
-{
- struct frad_local *flp;
- flp = netdev_priv(dev);
-
- return(&flp->stats);
-}
+static const struct net_device_ops sdla_netdev_ops = {
+ .ndo_open = sdla_open,
+ .ndo_stop = sdla_close,
+ .ndo_do_ioctl = sdla_ioctl,
+ .ndo_set_config = sdla_set_config,
+ .ndo_start_xmit = sdla_transmit,
+ .ndo_change_mtu = sdla_change_mtu,
+};
static void setup_sdla(struct net_device *dev)
{
@@ -1604,20 +1605,13 @@ static void setup_sdla(struct net_device *dev)
netdev_boot_setup_check(dev);
+ dev->netdev_ops = &sdla_netdev_ops;
dev->flags = 0;
dev->type = 0xFFFF;
dev->hard_header_len = 0;
dev->addr_len = 0;
dev->mtu = SDLA_MAX_MTU;
- dev->open = sdla_open;
- dev->stop = sdla_close;
- dev->do_ioctl = sdla_ioctl;
- dev->set_config = sdla_set_config;
- dev->get_stats = sdla_stats;
- dev->hard_start_xmit = sdla_transmit;
- dev->change_mtu = sdla_change_mtu;
-
flp->activate = sdla_activate;
flp->deactivate = sdla_deactivate;
flp->assoc = sdla_assoc;
diff --git a/drivers/net/wireless/Kconfig b/drivers/net/wireless/Kconfig
index 612fffe100a..8a0823588c5 100644
--- a/drivers/net/wireless/Kconfig
+++ b/drivers/net/wireless/Kconfig
@@ -485,6 +485,7 @@ config MWL8K
source "drivers/net/wireless/p54/Kconfig"
source "drivers/net/wireless/ath5k/Kconfig"
source "drivers/net/wireless/ath9k/Kconfig"
+source "drivers/net/wireless/ar9170/Kconfig"
source "drivers/net/wireless/ipw2x00/Kconfig"
source "drivers/net/wireless/iwlwifi/Kconfig"
source "drivers/net/wireless/hostap/Kconfig"
diff --git a/drivers/net/wireless/Makefile b/drivers/net/wireless/Makefile
index d780487c420..50e7fba7f0e 100644
--- a/drivers/net/wireless/Makefile
+++ b/drivers/net/wireless/Makefile
@@ -57,5 +57,6 @@ obj-$(CONFIG_P54_COMMON) += p54/
obj-$(CONFIG_ATH5K) += ath5k/
obj-$(CONFIG_ATH9K) += ath9k/
+obj-$(CONFIG_AR9170_USB) += ar9170/
obj-$(CONFIG_MAC80211_HWSIM) += mac80211_hwsim.o
diff --git a/drivers/net/wireless/ar9170/Kconfig b/drivers/net/wireless/ar9170/Kconfig
new file mode 100644
index 00000000000..de4281fda12
--- /dev/null
+++ b/drivers/net/wireless/ar9170/Kconfig
@@ -0,0 +1,17 @@
+config AR9170_USB
+ tristate "Atheros AR9170 802.11n USB support"
+ depends on USB && MAC80211 && WLAN_80211 && EXPERIMENTAL
+ select FW_LOADER
+ help
+ This is a driver for the Atheros "otus" 802.11n USB devices.
+
+ These devices require additional firmware (2 files).
+ For now, these files can be downloaded from here:
+ http://wireless.kernel.org/en/users/Drivers/ar9170
+
+ If you choose to build a module, it'll be called ar9170usb.
+
+config AR9170_LEDS
+ bool
+ depends on AR9170_USB && MAC80211_LEDS && (LEDS_CLASS = y || LEDS_CLASS = AR9170_USB)
+ default y
diff --git a/drivers/net/wireless/ar9170/Makefile b/drivers/net/wireless/ar9170/Makefile
new file mode 100644
index 00000000000..8d91c7ee321
--- /dev/null
+++ b/drivers/net/wireless/ar9170/Makefile
@@ -0,0 +1,3 @@
+ar9170usb-objs := usb.o main.o cmd.o mac.o phy.o led.o
+
+obj-$(CONFIG_AR9170_USB) += ar9170usb.o
diff --git a/drivers/net/wireless/ar9170/ar9170.h b/drivers/net/wireless/ar9170/ar9170.h
new file mode 100644
index 00000000000..f4fb2e94aea
--- /dev/null
+++ b/drivers/net/wireless/ar9170/ar9170.h
@@ -0,0 +1,209 @@
+/*
+ * Atheros AR9170 driver
+ *
+ * Driver specific definitions
+ *
+ * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, see
+ * http://www.gnu.org/licenses/.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ * Copyright (c) 2007-2008 Atheros Communications, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef __AR9170_H
+#define __AR9170_H
+
+#include <linux/completion.h>
+#include <linux/spinlock.h>
+#include <net/wireless.h>
+#include <net/mac80211.h>
+#ifdef CONFIG_AR9170_LEDS
+#include <linux/leds.h>
+#endif /* CONFIG_AR9170_LEDS */
+#include "eeprom.h"
+#include "hw.h"
+
+#define PAYLOAD_MAX (AR9170_MAX_CMD_LEN/4 - 1)
+
+enum ar9170_bw {
+ AR9170_BW_20,
+ AR9170_BW_40_BELOW,
+ AR9170_BW_40_ABOVE,
+
+ __AR9170_NUM_BW,
+};
+
+enum ar9170_rf_init_mode {
+ AR9170_RFI_NONE,
+ AR9170_RFI_WARM,
+ AR9170_RFI_COLD,
+};
+
+#define AR9170_MAX_RX_BUFFER_SIZE 8192
+
+#ifdef CONFIG_AR9170_LEDS
+struct ar9170;
+
+struct ar9170_led {
+ struct ar9170 *ar;
+ struct led_classdev l;
+ char name[32];
+ unsigned int toggled;
+ bool registered;
+};
+
+#endif /* CONFIG_AR9170_LEDS */
+
+enum ar9170_device_state {
+ AR9170_UNKNOWN_STATE,
+ AR9170_STOPPED,
+ AR9170_IDLE,
+ AR9170_STARTED,
+ AR9170_ASSOCIATED,
+};
+
+struct ar9170 {
+ struct ieee80211_hw *hw;
+ struct mutex mutex;
+ enum ar9170_device_state state;
+
+ int (*open)(struct ar9170 *);
+ void (*stop)(struct ar9170 *);
+ int (*tx)(struct ar9170 *, struct sk_buff *, bool, unsigned int);
+ int (*exec_cmd)(struct ar9170 *, enum ar9170_cmd, u32 ,
+ void *, u32 , void *);
+ void (*callback_cmd)(struct ar9170 *, u32 , void *);
+
+ /* interface mode settings */
+ struct ieee80211_vif *vif;
+ u8 mac_addr[ETH_ALEN];
+ u8 bssid[ETH_ALEN];
+
+ /* beaconing */
+ struct sk_buff *beacon;
+ struct work_struct beacon_work;
+
+ /* cryptographic engine */
+ u64 usedkeys;
+ bool rx_software_decryption;
+ bool disable_offload;
+
+ /* filter settings */
+ struct work_struct filter_config_work;
+ u64 cur_mc_hash, want_mc_hash;
+ u32 cur_filter, want_filter;
+ unsigned int filter_changed;
+ bool sniffer_enabled;
+
+ /* PHY */
+ struct ieee80211_channel *channel;
+ int noise[4];
+
+ /* power calibration data */
+ u8 power_5G_leg[4];
+ u8 power_2G_cck[4];
+ u8 power_2G_ofdm[4];
+ u8 power_5G_ht20[8];
+ u8 power_5G_ht40[8];
+ u8 power_2G_ht20[8];
+ u8 power_2G_ht40[8];
+
+#ifdef CONFIG_AR9170_LEDS
+ struct delayed_work led_work;
+ struct ar9170_led leds[AR9170_NUM_LEDS];
+#endif /* CONFIG_AR9170_LEDS */
+
+ /* qos queue settings */
+ spinlock_t tx_stats_lock;
+ struct ieee80211_tx_queue_stats tx_stats[5];
+ struct ieee80211_tx_queue_params edcf[5];
+
+ spinlock_t cmdlock;
+ __le32 cmdbuf[PAYLOAD_MAX + 1];
+
+ /* MAC statistics */
+ struct ieee80211_low_level_stats stats;
+
+ /* EEPROM */
+ struct ar9170_eeprom eeprom;
+
+ /* global tx status for unregistered Stations. */
+ struct sk_buff_head global_tx_status;
+ struct sk_buff_head global_tx_status_waste;
+ struct delayed_work tx_status_janitor;
+};
+
+struct ar9170_sta_info {
+ struct sk_buff_head tx_status[__AR9170_NUM_TXQ];
+};
+
+#define IS_STARTED(a) (a->state >= AR9170_STARTED)
+#define IS_ACCEPTING_CMD(a) (a->state >= AR9170_IDLE)
+
+#define AR9170_FILTER_CHANGED_PROMISC BIT(0)
+#define AR9170_FILTER_CHANGED_MULTICAST BIT(1)
+#define AR9170_FILTER_CHANGED_FRAMEFILTER BIT(2)
+
+/* exported interface */
+void *ar9170_alloc(size_t priv_size);
+int ar9170_register(struct ar9170 *ar, struct device *pdev);
+void ar9170_rx(struct ar9170 *ar, struct sk_buff *skb);
+void ar9170_unregister(struct ar9170 *ar);
+void ar9170_handle_tx_status(struct ar9170 *ar, struct sk_buff *skb,
+ bool update_statistics, u16 tx_status);
+
+/* MAC */
+int ar9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb);
+int ar9170_init_mac(struct ar9170 *ar);
+int ar9170_set_qos(struct ar9170 *ar);
+int ar9170_update_multicast(struct ar9170 *ar);
+int ar9170_update_frame_filter(struct ar9170 *ar);
+int ar9170_set_operating_mode(struct ar9170 *ar);
+int ar9170_set_beacon_timers(struct ar9170 *ar);
+int ar9170_set_hwretry_limit(struct ar9170 *ar, u32 max_retry);
+int ar9170_update_beacon(struct ar9170 *ar);
+void ar9170_new_beacon(struct work_struct *work);
+int ar9170_upload_key(struct ar9170 *ar, u8 id, const u8 *mac, u8 ktype,
+ u8 keyidx, u8 *keydata, int keylen);
+int ar9170_disable_key(struct ar9170 *ar, u8 id);
+
+/* LEDs */
+#ifdef CONFIG_AR9170_LEDS
+int ar9170_register_leds(struct ar9170 *ar);
+void ar9170_unregister_leds(struct ar9170 *ar);
+#endif /* CONFIG_AR9170_LEDS */
+int ar9170_init_leds(struct ar9170 *ar);
+int ar9170_set_leds_state(struct ar9170 *ar, u32 led_state);
+
+/* PHY / RF */
+int ar9170_init_phy(struct ar9170 *ar, enum ieee80211_band band);
+int ar9170_init_rf(struct ar9170 *ar);
+int ar9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel,
+ enum ar9170_rf_init_mode rfi, enum ar9170_bw bw);
+
+#endif /* __AR9170_H */
diff --git a/drivers/net/wireless/ar9170/cmd.c b/drivers/net/wireless/ar9170/cmd.c
new file mode 100644
index 00000000000..f57a6200167
--- /dev/null
+++ b/drivers/net/wireless/ar9170/cmd.c
@@ -0,0 +1,129 @@
+/*
+ * Atheros AR9170 driver
+ *
+ * Basic HW register/memory/command access functions
+ *
+ * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, see
+ * http://www.gnu.org/licenses/.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ * Copyright (c) 2007-2008 Atheros Communications, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "ar9170.h"
+#include "cmd.h"
+
+int ar9170_write_mem(struct ar9170 *ar, const __le32 *data, size_t len)
+{
+ int err;
+
+ if (unlikely(!IS_ACCEPTING_CMD(ar)))
+ return 0;
+
+ err = ar->exec_cmd(ar, AR9170_CMD_WMEM, len, (u8 *) data, 0, NULL);
+ if (err)
+ printk(KERN_DEBUG "%s: writing memory failed\n",
+ wiphy_name(ar->hw->wiphy));
+ return err;
+}
+
+int ar9170_write_reg(struct ar9170 *ar, const u32 reg, const u32 val)
+{
+ __le32 buf[2] = {
+ cpu_to_le32(reg),
+ cpu_to_le32(val),
+ };
+ int err;
+
+ if (unlikely(!IS_ACCEPTING_CMD(ar)))
+ return 0;
+
+ err = ar->exec_cmd(ar, AR9170_CMD_WREG, sizeof(buf),
+ (u8 *) buf, 0, NULL);
+ if (err)
+ printk(KERN_DEBUG "%s: writing reg %#x (val %#x) failed\n",
+ wiphy_name(ar->hw->wiphy), reg, val);
+ return err;
+}
+
+static int ar9170_read_mreg(struct ar9170 *ar, int nregs,
+ const u32 *regs, u32 *out)
+{
+ int i, err;
+ __le32 *offs, *res;
+
+ if (unlikely(!IS_ACCEPTING_CMD(ar)))
+ return 0;
+
+ /* abuse "out" for the register offsets, must be same length */
+ offs = (__le32 *)out;
+ for (i = 0; i < nregs; i++)
+ offs[i] = cpu_to_le32(regs[i]);
+
+ /* also use the same buffer for the input */
+ res = (__le32 *)out;
+
+ err = ar->exec_cmd(ar, AR9170_CMD_RREG,
+ 4 * nregs, (u8 *)offs,
+ 4 * nregs, (u8 *)res);
+ if (err)
+ return err;
+
+ /* convert result to cpu endian */
+ for (i = 0; i < nregs; i++)
+ out[i] = le32_to_cpu(res[i]);
+
+ return 0;
+}
+
+int ar9170_read_reg(struct ar9170 *ar, u32 reg, u32 *val)
+{
+ return ar9170_read_mreg(ar, 1, &reg, val);
+}
+
+int ar9170_echo_test(struct ar9170 *ar, u32 v)
+{
+ __le32 echobuf = cpu_to_le32(v);
+ __le32 echores;
+ int err;
+
+ if (unlikely(!IS_ACCEPTING_CMD(ar)))
+ return -ENODEV;
+
+ err = ar->exec_cmd(ar, AR9170_CMD_ECHO,
+ 4, (u8 *)&echobuf,
+ 4, (u8 *)&echores);
+ if (err)
+ return err;
+
+ if (echobuf != echores)
+ return -EINVAL;
+
+ return 0;
+}
diff --git a/drivers/net/wireless/ar9170/cmd.h b/drivers/net/wireless/ar9170/cmd.h
new file mode 100644
index 00000000000..a4f0e50e52b
--- /dev/null
+++ b/drivers/net/wireless/ar9170/cmd.h
@@ -0,0 +1,91 @@
+/*
+ * Atheros AR9170 driver
+ *
+ * Basic HW register/memory/command access functions
+ *
+ * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, see
+ * http://www.gnu.org/licenses/.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ * Copyright (c) 2007-2008 Atheros Communications, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef __CMD_H
+#define __CMD_H
+
+#include "ar9170.h"
+
+/* basic HW access */
+int ar9170_write_mem(struct ar9170 *ar, const __le32 *data, size_t len);
+int ar9170_write_reg(struct ar9170 *ar, const u32 reg, const u32 val);
+int ar9170_read_reg(struct ar9170 *ar, u32 reg, u32 *val);
+int ar9170_echo_test(struct ar9170 *ar, u32 v);
+
+/*
+ * Macros to facilitate writing multiple registers in a single
+ * write-combining USB command. Note that when the first group
+ * fails the whole thing will fail without any others attempted,
+ * but you won't know which write in the group failed.
+ */
+#define ar9170_regwrite_begin(ar) \
+do { \
+ int __nreg = 0, __err = 0; \
+ struct ar9170 *__ar = ar;
+
+#define ar9170_regwrite(r, v) do { \
+ __ar->cmdbuf[2 * __nreg + 1] = cpu_to_le32(r); \
+ __ar->cmdbuf[2 * __nreg + 2] = cpu_to_le32(v); \
+ __nreg++; \
+ if ((__nreg >= PAYLOAD_MAX/2)) { \
+ if (IS_ACCEPTING_CMD(__ar)) \
+ __err = ar->exec_cmd(__ar, AR9170_CMD_WREG, \
+ 8 * __nreg, \
+ (u8 *) &__ar->cmdbuf[1], \
+ 0, NULL); \
+ __nreg = 0; \
+ if (__err) \
+ goto __regwrite_out; \
+ } \
+} while (0)
+
+#define ar9170_regwrite_finish() \
+__regwrite_out : \
+ if (__nreg) { \
+ if (IS_ACCEPTING_CMD(__ar)) \
+ __err = ar->exec_cmd(__ar, AR9170_CMD_WREG, \
+ 8 * __nreg, \
+ (u8 *) &__ar->cmdbuf[1], \
+ 0, NULL); \
+ __nreg = 0; \
+ }
+
+#define ar9170_regwrite_result() \
+ __err; \
+} while (0);
+
+#endif /* __CMD_H */
diff --git a/drivers/net/wireless/ar9170/eeprom.h b/drivers/net/wireless/ar9170/eeprom.h
new file mode 100644
index 00000000000..d2c8cc83f1d
--- /dev/null
+++ b/drivers/net/wireless/ar9170/eeprom.h
@@ -0,0 +1,179 @@
+/*
+ * Atheros AR9170 driver
+ *
+ * EEPROM layout
+ *
+ * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, see
+ * http://www.gnu.org/licenses/.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ * Copyright (c) 2007-2008 Atheros Communications, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef __AR9170_EEPROM_H
+#define __AR9170_EEPROM_H
+
+#define AR5416_MAX_CHAINS 2
+#define AR5416_MODAL_SPURS 5
+
+struct ar9170_eeprom_modal {
+ __le32 antCtrlChain[AR5416_MAX_CHAINS];
+ __le32 antCtrlCommon;
+ s8 antennaGainCh[AR5416_MAX_CHAINS];
+ u8 switchSettling;
+ u8 txRxAttenCh[AR5416_MAX_CHAINS];
+ u8 rxTxMarginCh[AR5416_MAX_CHAINS];
+ s8 adcDesiredSize;
+ s8 pgaDesiredSize;
+ u8 xlnaGainCh[AR5416_MAX_CHAINS];
+ u8 txEndToXpaOff;
+ u8 txEndToRxOn;
+ u8 txFrameToXpaOn;
+ u8 thresh62;
+ s8 noiseFloorThreshCh[AR5416_MAX_CHAINS];
+ u8 xpdGain;
+ u8 xpd;
+ s8 iqCalICh[AR5416_MAX_CHAINS];
+ s8 iqCalQCh[AR5416_MAX_CHAINS];
+ u8 pdGainOverlap;
+ u8 ob;
+ u8 db;
+ u8 xpaBiasLvl;
+ u8 pwrDecreaseFor2Chain;
+ u8 pwrDecreaseFor3Chain;
+ u8 txFrameToDataStart;
+ u8 txFrameToPaOn;
+ u8 ht40PowerIncForPdadc;
+ u8 bswAtten[AR5416_MAX_CHAINS];
+ u8 bswMargin[AR5416_MAX_CHAINS];
+ u8 swSettleHt40;
+ u8 reserved[22];
+ struct spur_channel {
+ __le16 spurChan;
+ u8 spurRangeLow;
+ u8 spurRangeHigh;
+ } __packed spur_channels[AR5416_MODAL_SPURS];
+} __packed;
+
+#define AR5416_NUM_PD_GAINS 4
+#define AR5416_PD_GAIN_ICEPTS 5
+
+struct ar9170_calibration_data_per_freq {
+ u8 pwr_pdg[AR5416_NUM_PD_GAINS][AR5416_PD_GAIN_ICEPTS];
+ u8 vpd_pdg[AR5416_NUM_PD_GAINS][AR5416_PD_GAIN_ICEPTS];
+} __packed;
+
+#define AR5416_NUM_5G_CAL_PIERS 8
+#define AR5416_NUM_2G_CAL_PIERS 4
+
+#define AR5416_NUM_5G_TARGET_PWRS 8
+#define AR5416_NUM_2G_CCK_TARGET_PWRS 3
+#define AR5416_NUM_2G_OFDM_TARGET_PWRS 4
+#define AR5416_MAX_NUM_TGT_PWRS 8
+
+struct ar9170_calibration_target_power_legacy {
+ u8 freq;
+ u8 power[4];
+} __packed;
+
+struct ar9170_calibration_target_power_ht {
+ u8 freq;
+ u8 power[8];
+} __packed;
+
+#define AR5416_NUM_CTLS 24
+
+struct ar9170_calctl_edges {
+ u8 channel;
+#define AR9170_CALCTL_EDGE_FLAGS 0xC0
+ u8 power_flags;
+} __packed;
+
+#define AR5416_NUM_BAND_EDGES 8
+
+struct ar9170_calctl_data {
+ struct ar9170_calctl_edges
+ control_edges[AR5416_MAX_CHAINS][AR5416_NUM_BAND_EDGES];
+} __packed;
+
+
+struct ar9170_eeprom {
+ __le16 length;
+ __le16 checksum;
+ __le16 version;
+ u8 operating_flags;
+#define AR9170_OPFLAG_5GHZ 1
+#define AR9170_OPFLAG_2GHZ 2
+ u8 misc;
+ __le16 reg_domain[2];
+ u8 mac_address[6];
+ u8 rx_mask;
+ u8 tx_mask;
+ __le16 rf_silent;
+ __le16 bluetooth_options;
+ __le16 device_capabilities;
+ __le32 build_number;
+ u8 deviceType;
+ u8 reserved[33];
+
+ u8 customer_data[64];
+
+ struct ar9170_eeprom_modal
+ modal_header[2];
+
+ u8 cal_freq_pier_5G[AR5416_NUM_5G_CAL_PIERS];
+ u8 cal_freq_pier_2G[AR5416_NUM_2G_CAL_PIERS];
+
+ struct ar9170_calibration_data_per_freq
+ cal_pier_data_5G[AR5416_MAX_CHAINS][AR5416_NUM_5G_CAL_PIERS],
+ cal_pier_data_2G[AR5416_MAX_CHAINS][AR5416_NUM_2G_CAL_PIERS];
+
+ /* power calibration data */
+ struct ar9170_calibration_target_power_legacy
+ cal_tgt_pwr_5G[AR5416_NUM_5G_TARGET_PWRS];
+ struct ar9170_calibration_target_power_ht
+ cal_tgt_pwr_5G_ht20[AR5416_NUM_5G_TARGET_PWRS],
+ cal_tgt_pwr_5G_ht40[AR5416_NUM_5G_TARGET_PWRS];
+
+ struct ar9170_calibration_target_power_legacy
+ cal_tgt_pwr_2G_cck[AR5416_NUM_2G_CCK_TARGET_PWRS],
+ cal_tgt_pwr_2G_ofdm[AR5416_NUM_2G_OFDM_TARGET_PWRS];
+ struct ar9170_calibration_target_power_ht
+ cal_tgt_pwr_2G_ht20[AR5416_NUM_2G_OFDM_TARGET_PWRS],
+ cal_tgt_pwr_2G_ht40[AR5416_NUM_2G_OFDM_TARGET_PWRS];
+
+ /* conformance testing limits */
+ u8 ctl_index[AR5416_NUM_CTLS];
+ struct ar9170_calctl_data
+ ctl_data[AR5416_NUM_CTLS];
+
+ u8 pad;
+ __le16 subsystem_id;
+} __packed;
+
+#endif /* __AR9170_EEPROM_H */
diff --git a/drivers/net/wireless/ar9170/hw.h b/drivers/net/wireless/ar9170/hw.h
new file mode 100644
index 00000000000..13091bd9d81
--- /dev/null
+++ b/drivers/net/wireless/ar9170/hw.h
@@ -0,0 +1,417 @@
+/*
+ * Atheros AR9170 driver
+ *
+ * Hardware-specific definitions
+ *
+ * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, see
+ * http://www.gnu.org/licenses/.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ * Copyright (c) 2007-2008 Atheros Communications, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef __AR9170_HW_H
+#define __AR9170_HW_H
+
+#define AR9170_MAX_CMD_LEN 64
+
+enum ar9170_cmd {
+ AR9170_CMD_RREG = 0x00,
+ AR9170_CMD_WREG = 0x01,
+ AR9170_CMD_RMEM = 0x02,
+ AR9170_CMD_WMEM = 0x03,
+ AR9170_CMD_BITAND = 0x04,
+ AR9170_CMD_BITOR = 0x05,
+ AR9170_CMD_EKEY = 0x28,
+ AR9170_CMD_DKEY = 0x29,
+ AR9170_CMD_FREQUENCY = 0x30,
+ AR9170_CMD_RF_INIT = 0x31,
+ AR9170_CMD_SYNTH = 0x32,
+ AR9170_CMD_FREQ_START = 0x33,
+ AR9170_CMD_ECHO = 0x80,
+ AR9170_CMD_TALLY = 0x81,
+ AR9170_CMD_TALLY_APD = 0x82,
+ AR9170_CMD_CONFIG = 0x83,
+ AR9170_CMD_RESET = 0x90,
+ AR9170_CMD_DKRESET = 0x91,
+ AR9170_CMD_DKTX_STATUS = 0x92,
+ AR9170_CMD_FDC = 0xA0,
+ AR9170_CMD_WREEPROM = 0xB0,
+ AR9170_CMD_WFLASH = 0xB0,
+ AR9170_CMD_FLASH_ERASE = 0xB1,
+ AR9170_CMD_FLASH_PROG = 0xB2,
+ AR9170_CMD_FLASH_CHKSUM = 0xB3,
+ AR9170_CMD_FLASH_READ = 0xB4,
+ AR9170_CMD_FW_DL_INIT = 0xB5,
+ AR9170_CMD_MEM_WREEPROM = 0xBB,
+};
+
+/* endpoints */
+#define AR9170_EP_TX 1
+#define AR9170_EP_RX 2
+#define AR9170_EP_IRQ 3
+#define AR9170_EP_CMD 4
+
+#define AR9170_EEPROM_START 0x1600
+
+#define AR9170_GPIO_REG_BASE 0x1d0100
+#define AR9170_GPIO_REG_PORT_TYPE AR9170_GPIO_REG_BASE
+#define AR9170_GPIO_REG_DATA (AR9170_GPIO_REG_BASE + 4)
+#define AR9170_NUM_LEDS 2
+
+
+#define AR9170_USB_REG_BASE 0x1e1000
+#define AR9170_USB_REG_DMA_CTL (AR9170_USB_REG_BASE + 0x108)
+#define AR9170_DMA_CTL_ENABLE_TO_DEVICE 0x1
+#define AR9170_DMA_CTL_ENABLE_FROM_DEVICE 0x2
+#define AR9170_DMA_CTL_HIGH_SPEED 0x4
+#define AR9170_DMA_CTL_PACKET_MODE 0x8
+
+#define AR9170_USB_REG_MAX_AGG_UPLOAD (AR9170_USB_REG_BASE + 0x110)
+#define AR9170_USB_REG_UPLOAD_TIME_CTL (AR9170_USB_REG_BASE + 0x114)
+
+
+
+#define AR9170_MAC_REG_BASE 0x1c3000
+
+#define AR9170_MAC_REG_TSF_L (AR9170_MAC_REG_BASE + 0x514)
+#define AR9170_MAC_REG_TSF_H (AR9170_MAC_REG_BASE + 0x518)
+
+#define AR9170_MAC_REG_ATIM_WINDOW (AR9170_MAC_REG_BASE + 0x51C)
+#define AR9170_MAC_REG_BCN_PERIOD (AR9170_MAC_REG_BASE + 0x520)
+#define AR9170_MAC_REG_PRETBTT (AR9170_MAC_REG_BASE + 0x524)
+
+#define AR9170_MAC_REG_MAC_ADDR_L (AR9170_MAC_REG_BASE + 0x610)
+#define AR9170_MAC_REG_MAC_ADDR_H (AR9170_MAC_REG_BASE + 0x614)
+#define AR9170_MAC_REG_BSSID_L (AR9170_MAC_REG_BASE + 0x618)
+#define AR9170_MAC_REG_BSSID_H (AR9170_MAC_REG_BASE + 0x61c)
+
+#define AR9170_MAC_REG_GROUP_HASH_TBL_L (AR9170_MAC_REG_BASE + 0x624)
+#define AR9170_MAC_REG_GROUP_HASH_TBL_H (AR9170_MAC_REG_BASE + 0x628)
+
+#define AR9170_MAC_REG_RX_TIMEOUT (AR9170_MAC_REG_BASE + 0x62C)
+
+#define AR9170_MAC_REG_BASIC_RATE (AR9170_MAC_REG_BASE + 0x630)
+#define AR9170_MAC_REG_MANDATORY_RATE (AR9170_MAC_REG_BASE + 0x634)
+#define AR9170_MAC_REG_RTS_CTS_RATE (AR9170_MAC_REG_BASE + 0x638)
+#define AR9170_MAC_REG_BACKOFF_PROTECT (AR9170_MAC_REG_BASE + 0x63c)
+#define AR9170_MAC_REG_RX_THRESHOLD (AR9170_MAC_REG_BASE + 0x640)
+#define AR9170_MAC_REG_RX_PE_DELAY (AR9170_MAC_REG_BASE + 0x64C)
+
+#define AR9170_MAC_REG_DYNAMIC_SIFS_ACK (AR9170_MAC_REG_BASE + 0x658)
+#define AR9170_MAC_REG_SNIFFER (AR9170_MAC_REG_BASE + 0x674)
+#define AR9170_MAC_REG_SNIFFER_ENABLE_PROMISC BIT(0)
+#define AR9170_MAC_REG_SNIFFER_DEFAULTS 0x02000000
+#define AR9170_MAC_REG_ENCRYPTION (AR9170_MAC_REG_BASE + 0x678)
+#define AR9170_MAC_REG_ENCRYPTION_RX_SOFTWARE BIT(3)
+#define AR9170_MAC_REG_ENCRYPTION_DEFAULTS 0x70
+
+#define AR9170_MAC_REG_MISC_680 (AR9170_MAC_REG_BASE + 0x680)
+#define AR9170_MAC_REG_TX_UNDERRUN (AR9170_MAC_REG_BASE + 0x688)
+
+#define AR9170_MAC_REG_FRAMETYPE_FILTER (AR9170_MAC_REG_BASE + 0x68c)
+#define AR9170_MAC_REG_FTF_ASSOC_REQ BIT(0)
+#define AR9170_MAC_REG_FTF_ASSOC_RESP BIT(1)
+#define AR9170_MAC_REG_FTF_REASSOC_REQ BIT(2)
+#define AR9170_MAC_REG_FTF_REASSOC_RESP BIT(3)
+#define AR9170_MAC_REG_FTF_PRB_REQ BIT(4)
+#define AR9170_MAC_REG_FTF_PRB_RESP BIT(5)
+#define AR9170_MAC_REG_FTF_BIT6 BIT(6)
+#define AR9170_MAC_REG_FTF_BIT7 BIT(7)
+#define AR9170_MAC_REG_FTF_BEACON BIT(8)
+#define AR9170_MAC_REG_FTF_ATIM BIT(9)
+#define AR9170_MAC_REG_FTF_DEASSOC BIT(10)
+#define AR9170_MAC_REG_FTF_AUTH BIT(11)
+#define AR9170_MAC_REG_FTF_DEAUTH BIT(12)
+#define AR9170_MAC_REG_FTF_BIT13 BIT(13)
+#define AR9170_MAC_REG_FTF_BIT14 BIT(14)
+#define AR9170_MAC_REG_FTF_BIT15 BIT(15)
+#define AR9170_MAC_REG_FTF_BAR BIT(24)
+#define AR9170_MAC_REG_FTF_BIT25 BIT(25)
+#define AR9170_MAC_REG_FTF_PSPOLL BIT(26)
+#define AR9170_MAC_REG_FTF_RTS BIT(27)
+#define AR9170_MAC_REG_FTF_CTS BIT(28)
+#define AR9170_MAC_REG_FTF_ACK BIT(29)
+#define AR9170_MAC_REG_FTF_CFE BIT(30)
+#define AR9170_MAC_REG_FTF_CFE_ACK BIT(31)
+#define AR9170_MAC_REG_FTF_DEFAULTS 0x0500ffff
+#define AR9170_MAC_REG_FTF_MONITOR 0xfd00ffff
+
+#define AR9170_MAC_REG_RX_TOTAL (AR9170_MAC_REG_BASE + 0x6A0)
+#define AR9170_MAC_REG_RX_CRC32 (AR9170_MAC_REG_BASE + 0x6A4)
+#define AR9170_MAC_REG_RX_CRC16 (AR9170_MAC_REG_BASE + 0x6A8)
+#define AR9170_MAC_REG_RX_ERR_DECRYPTION_UNI (AR9170_MAC_REG_BASE + 0x6AC)
+#define AR9170_MAC_REG_RX_OVERRUN (AR9170_MAC_REG_BASE + 0x6B0)
+#define AR9170_MAC_REG_RX_ERR_DECRYPTION_MUL (AR9170_MAC_REG_BASE + 0x6BC)
+#define AR9170_MAC_REG_TX_RETRY (AR9170_MAC_REG_BASE + 0x6CC)
+#define AR9170_MAC_REG_TX_TOTAL (AR9170_MAC_REG_BASE + 0x6F4)
+
+
+#define AR9170_MAC_REG_ACK_EXTENSION (AR9170_MAC_REG_BASE + 0x690)
+#define AR9170_MAC_REG_EIFS_AND_SIFS (AR9170_MAC_REG_BASE + 0x698)
+
+#define AR9170_MAC_REG_SLOT_TIME (AR9170_MAC_REG_BASE + 0x6F0)
+
+#define AR9170_MAC_REG_POWERMANAGEMENT (AR9170_MAC_REG_BASE + 0x700)
+#define AR9170_MAC_REG_POWERMGT_IBSS 0xe0
+#define AR9170_MAC_REG_POWERMGT_AP 0xa1
+#define AR9170_MAC_REG_POWERMGT_STA 0x2
+#define AR9170_MAC_REG_POWERMGT_AP_WDS 0x3
+#define AR9170_MAC_REG_POWERMGT_DEFAULTS (0xf << 24)
+
+#define AR9170_MAC_REG_ROLL_CALL_TBL_L (AR9170_MAC_REG_BASE + 0x704)
+#define AR9170_MAC_REG_ROLL_CALL_TBL_H (AR9170_MAC_REG_BASE + 0x708)
+
+#define AR9170_MAC_REG_AC0_CW (AR9170_MAC_REG_BASE + 0xB00)
+#define AR9170_MAC_REG_AC1_CW (AR9170_MAC_REG_BASE + 0xB04)
+#define AR9170_MAC_REG_AC2_CW (AR9170_MAC_REG_BASE + 0xB08)
+#define AR9170_MAC_REG_AC3_CW (AR9170_MAC_REG_BASE + 0xB0C)
+#define AR9170_MAC_REG_AC4_CW (AR9170_MAC_REG_BASE + 0xB10)
+#define AR9170_MAC_REG_AC1_AC0_AIFS (AR9170_MAC_REG_BASE + 0xB14)
+#define AR9170_MAC_REG_AC3_AC2_AIFS (AR9170_MAC_REG_BASE + 0xB18)
+
+#define AR9170_MAC_REG_RETRY_MAX (AR9170_MAC_REG_BASE + 0xB28)
+
+#define AR9170_MAC_REG_FCS_SELECT (AR9170_MAC_REG_BASE + 0xBB0)
+#define AR9170_MAC_FCS_SWFCS 0x1
+#define AR9170_MAC_FCS_FIFO_PROT 0x4
+
+
+#define AR9170_MAC_REG_TXOP_NOT_ENOUGH_IND (AR9170_MAC_REG_BASE + 0xB30)
+
+#define AR9170_MAC_REG_AC1_AC0_TXOP (AR9170_MAC_REG_BASE + 0xB44)
+#define AR9170_MAC_REG_AC3_AC2_TXOP (AR9170_MAC_REG_BASE + 0xB48)
+
+#define AR9170_MAC_REG_ACK_TABLE (AR9170_MAC_REG_BASE + 0xC00)
+#define AR9170_MAC_REG_AMPDU_RX_THRESH (AR9170_MAC_REG_BASE + 0xC50)
+
+#define AR9170_MAC_REG_TXRX_MPI (AR9170_MAC_REG_BASE + 0xD7C)
+#define AR9170_MAC_TXRX_MPI_TX_MPI_MASK 0x0000000f
+#define AR9170_MAC_TXRX_MPI_TX_TO_MASK 0x0000fff0
+#define AR9170_MAC_TXRX_MPI_RX_MPI_MASK 0x000f0000
+#define AR9170_MAC_TXRX_MPI_RX_TO_MASK 0xfff00000
+
+#define AR9170_MAC_REG_BCN_ADDR (AR9170_MAC_REG_BASE + 0xD84)
+#define AR9170_MAC_REG_BCN_LENGTH (AR9170_MAC_REG_BASE + 0xD88)
+#define AR9170_MAC_REG_BCN_PLCP (AR9170_MAC_REG_BASE + 0xD90)
+#define AR9170_MAC_REG_BCN_CTRL (AR9170_MAC_REG_BASE + 0xD94)
+#define AR9170_MAC_REG_BCN_HT1 (AR9170_MAC_REG_BASE + 0xDA0)
+#define AR9170_MAC_REG_BCN_HT2 (AR9170_MAC_REG_BASE + 0xDA4)
+
+
+#define AR9170_PWR_REG_BASE 0x1D4000
+
+#define AR9170_PWR_REG_CLOCK_SEL (AR9170_PWR_REG_BASE + 0x008)
+#define AR9170_PWR_CLK_AHB_40MHZ 0
+#define AR9170_PWR_CLK_AHB_20_22MHZ 1
+#define AR9170_PWR_CLK_AHB_40_44MHZ 2
+#define AR9170_PWR_CLK_AHB_80_88MHZ 3
+#define AR9170_PWR_CLK_DAC_160_INV_DLY 0x70
+
+
+/* put beacon here in memory */
+#define AR9170_BEACON_BUFFER_ADDRESS 0x117900
+
+
+struct ar9170_tx_control {
+ __le16 length;
+ __le16 mac_control;
+ __le32 phy_control;
+ u8 frame_data[0];
+} __packed;
+
+/* these are either-or */
+#define AR9170_TX_MAC_PROT_RTS 0x0001
+#define AR9170_TX_MAC_PROT_CTS 0x0002
+
+#define AR9170_TX_MAC_NO_ACK 0x0004
+/* if unset, MAC will only do SIFS space before frame */
+#define AR9170_TX_MAC_BACKOFF 0x0008
+#define AR9170_TX_MAC_BURST 0x0010
+#define AR9170_TX_MAC_AGGR 0x0020
+
+/* encryption is a two-bit field */
+#define AR9170_TX_MAC_ENCR_NONE 0x0000
+#define AR9170_TX_MAC_ENCR_RC4 0x0040
+#define AR9170_TX_MAC_ENCR_CENC 0x0080
+#define AR9170_TX_MAC_ENCR_AES 0x00c0
+
+#define AR9170_TX_MAC_MMIC 0x0100
+#define AR9170_TX_MAC_HW_DURATION 0x0200
+#define AR9170_TX_MAC_QOS_SHIFT 10
+#define AR9170_TX_MAC_QOS_MASK (3 << AR9170_TX_MAC_QOS_SHIFT)
+#define AR9170_TX_MAC_AGGR_QOS_BIT1 0x0400
+#define AR9170_TX_MAC_AGGR_QOS_BIT2 0x0800
+#define AR9170_TX_MAC_DISABLE_TXOP 0x1000
+#define AR9170_TX_MAC_TXOP_RIFS 0x2000
+#define AR9170_TX_MAC_IMM_AMPDU 0x4000
+#define AR9170_TX_MAC_RATE_PROBE 0x8000
+
+/* either-or */
+#define AR9170_TX_PHY_MOD_CCK 0x00000000
+#define AR9170_TX_PHY_MOD_OFDM 0x00000001
+#define AR9170_TX_PHY_MOD_HT 0x00000002
+
+/* depends on modulation */
+#define AR9170_TX_PHY_SHORT_PREAMBLE 0x00000004
+#define AR9170_TX_PHY_GREENFIELD 0x00000004
+
+#define AR9170_TX_PHY_BW_SHIFT 3
+#define AR9170_TX_PHY_BW_MASK (3 << AR9170_TX_PHY_BW_SHIFT)
+#define AR9170_TX_PHY_BW_20MHZ 0
+#define AR9170_TX_PHY_BW_40MHZ 2
+#define AR9170_TX_PHY_BW_40MHZ_DUP 3
+
+#define AR9170_TX_PHY_TX_HEAVY_CLIP_SHIFT 6
+#define AR9170_TX_PHY_TX_HEAVY_CLIP_MASK (7 << AR9170_TX_PHY_TX_HEAVY_CLIP_SHIFT)
+
+#define AR9170_TX_PHY_TX_PWR_SHIFT 9
+#define AR9170_TX_PHY_TX_PWR_MASK (0x3f << AR9170_TX_PHY_TX_PWR_SHIFT)
+
+/* not part of the hw-spec */
+#define AR9170_TX_PHY_QOS_SHIFT 25
+#define AR9170_TX_PHY_QOS_MASK (3 << AR9170_TX_PHY_QOS_SHIFT)
+
+#define AR9170_TX_PHY_TXCHAIN_SHIFT 15
+#define AR9170_TX_PHY_TXCHAIN_MASK (7 << AR9170_TX_PHY_TXCHAIN_SHIFT)
+#define AR9170_TX_PHY_TXCHAIN_1 1
+/* use for cck, ofdm 6/9/12/18/24 and HT if capable */
+#define AR9170_TX_PHY_TXCHAIN_2 5
+
+#define AR9170_TX_PHY_MCS_SHIFT 18
+#define AR9170_TX_PHY_MCS_MASK (0x7f << AR9170_TX_PHY_MCS_SHIFT)
+
+#define AR9170_TX_PHY_SHORT_GI 0x80000000
+
+struct ar9170_rx_head {
+ u8 plcp[12];
+};
+
+struct ar9170_rx_tail {
+ union {
+ struct {
+ u8 rssi_ant0, rssi_ant1, rssi_ant2,
+ rssi_ant0x, rssi_ant1x, rssi_ant2x,
+ rssi_combined;
+ };
+ u8 rssi[7];
+ };
+
+ u8 evm_stream0[6], evm_stream1[6];
+ u8 phy_err;
+ u8 SAidx, DAidx;
+ u8 error;
+ u8 status;
+};
+
+#define AR9170_ENC_ALG_NONE 0x0
+#define AR9170_ENC_ALG_WEP64 0x1
+#define AR9170_ENC_ALG_TKIP 0x2
+#define AR9170_ENC_ALG_AESCCMP 0x4
+#define AR9170_ENC_ALG_WEP128 0x5
+#define AR9170_ENC_ALG_WEP256 0x6
+#define AR9170_ENC_ALG_CENC 0x7
+
+#define AR9170_RX_ENC_SOFTWARE 0x8
+
+static inline u8 ar9170_get_decrypt_type(struct ar9170_rx_tail *t)
+{
+ return (t->SAidx & 0xc0) >> 4 |
+ (t->DAidx & 0xc0) >> 6;
+}
+
+#define AR9170_RX_STATUS_MODULATION_MASK 0x03
+#define AR9170_RX_STATUS_MODULATION_CCK 0x00
+#define AR9170_RX_STATUS_MODULATION_OFDM 0x01
+#define AR9170_RX_STATUS_MODULATION_HT 0x02
+#define AR9170_RX_STATUS_MODULATION_DUPOFDM 0x03
+
+/* depends on modulation */
+#define AR9170_RX_STATUS_SHORT_PREAMBLE 0x08
+#define AR9170_RX_STATUS_GREENFIELD 0x08
+
+#define AR9170_RX_STATUS_MPDU_MASK 0x30
+#define AR9170_RX_STATUS_MPDU_SINGLE 0x00
+#define AR9170_RX_STATUS_MPDU_FIRST 0x10
+#define AR9170_RX_STATUS_MPDU_MIDDLE 0x20
+#define AR9170_RX_STATUS_MPDU_LAST 0x30
+
+
+#define AR9170_RX_ERROR_RXTO 0x01
+#define AR9170_RX_ERROR_OVERRUN 0x02
+#define AR9170_RX_ERROR_DECRYPT 0x04
+#define AR9170_RX_ERROR_FCS 0x08
+#define AR9170_RX_ERROR_WRONG_RA 0x10
+#define AR9170_RX_ERROR_PLCP 0x20
+#define AR9170_RX_ERROR_MMIC 0x40
+
+struct ar9170_cmd_tx_status {
+ __le16 unkn;
+ u8 dst[ETH_ALEN];
+ __le32 rate;
+ __le16 status;
+} __packed;
+
+#define AR9170_TX_STATUS_COMPLETE 0x00
+#define AR9170_TX_STATUS_RETRY 0x01
+#define AR9170_TX_STATUS_FAILED 0x02
+
+struct ar9170_cmd_ba_failed_count {
+ __le16 failed;
+ __le16 rate;
+} __packed;
+
+struct ar9170_cmd_response {
+ u8 flag;
+ u8 type;
+
+ union {
+ struct ar9170_cmd_tx_status tx_status;
+ struct ar9170_cmd_ba_failed_count ba_fail_cnt;
+ u8 data[0];
+ };
+} __packed;
+
+/* QoS */
+
+/* mac80211 queue to HW/FW map */
+static const u8 ar9170_qos_hwmap[4] = { 3, 2, 0, 1 };
+
+/* HW/FW queue to mac80211 map */
+static const u8 ar9170_qos_mac80211map[4] = { 2, 3, 1, 0 };
+
+enum ar9170_txq {
+ AR9170_TXQ_BE,
+ AR9170_TXQ_BK,
+ AR9170_TXQ_VI,
+ AR9170_TXQ_VO,
+
+ __AR9170_NUM_TXQ,
+};
+
+#endif /* __AR9170_HW_H */
diff --git a/drivers/net/wireless/ar9170/led.c b/drivers/net/wireless/ar9170/led.c
new file mode 100644
index 00000000000..341cead7f60
--- /dev/null
+++ b/drivers/net/wireless/ar9170/led.c
@@ -0,0 +1,171 @@
+/*
+ * Atheros AR9170 driver
+ *
+ * LED handling
+ *
+ * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, see
+ * http://www.gnu.org/licenses/.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ * Copyright (c) 2007-2008 Atheros Communications, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include "ar9170.h"
+#include "cmd.h"
+
+int ar9170_set_leds_state(struct ar9170 *ar, u32 led_state)
+{
+ return ar9170_write_reg(ar, AR9170_GPIO_REG_DATA, led_state);
+}
+
+int ar9170_init_leds(struct ar9170 *ar)
+{
+ int err;
+
+ /* disable LEDs */
+ /* GPIO [0/1 mode: output, 2/3: input] */
+ err = ar9170_write_reg(ar, AR9170_GPIO_REG_PORT_TYPE, 3);
+ if (err)
+ goto out;
+
+ /* GPIO 0/1 value: off */
+ err = ar9170_set_leds_state(ar, 0);
+
+out:
+ return err;
+}
+
+#ifdef CONFIG_AR9170_LEDS
+static void ar9170_update_leds(struct work_struct *work)
+{
+ struct ar9170 *ar = container_of(work, struct ar9170, led_work.work);
+ int i, tmp, blink_delay = 1000;
+ u32 led_val = 0;
+ bool rerun = false;
+
+ if (unlikely(!IS_ACCEPTING_CMD(ar)))
+ return ;
+
+ mutex_lock(&ar->mutex);
+ for (i = 0; i < AR9170_NUM_LEDS; i++)
+ if (ar->leds[i].toggled) {
+ led_val |= 1 << i;
+
+ tmp = 70 + 200 / (ar->leds[i].toggled);
+ if (tmp < blink_delay)
+ blink_delay = tmp;
+
+ if (ar->leds[i].toggled > 1)
+ ar->leds[i].toggled = 0;
+
+ rerun = true;
+ }
+
+ ar9170_set_leds_state(ar, led_val);
+ mutex_unlock(&ar->mutex);
+
+ if (rerun)
+ queue_delayed_work(ar->hw->workqueue, &ar->led_work,
+ msecs_to_jiffies(blink_delay));
+}
+
+static void ar9170_led_brightness_set(struct led_classdev *led,
+ enum led_brightness brightness)
+{
+ struct ar9170_led *arl = container_of(led, struct ar9170_led, l);
+ struct ar9170 *ar = arl->ar;
+
+ arl->toggled++;
+
+ if (likely(IS_ACCEPTING_CMD(ar) && brightness))
+ queue_delayed_work(ar->hw->workqueue, &ar->led_work, HZ/10);
+}
+
+static int ar9170_register_led(struct ar9170 *ar, int i, char *name,
+ char *trigger)
+{
+ int err;
+
+ snprintf(ar->leds[i].name, sizeof(ar->leds[i].name),
+ "ar9170-%s::%s", wiphy_name(ar->hw->wiphy), name);
+
+ ar->leds[i].ar = ar;
+ ar->leds[i].l.name = ar->leds[i].name;
+ ar->leds[i].l.brightness_set = ar9170_led_brightness_set;
+ ar->leds[i].l.brightness = 0;
+ ar->leds[i].l.default_trigger = trigger;
+
+ err = led_classdev_register(wiphy_dev(ar->hw->wiphy),
+ &ar->leds[i].l);
+ if (err)
+ printk(KERN_ERR "%s: failed to register %s LED (%d).\n",
+ wiphy_name(ar->hw->wiphy), ar->leds[i].name, err);
+ else
+ ar->leds[i].registered = true;
+
+ return err;
+}
+
+void ar9170_unregister_leds(struct ar9170 *ar)
+{
+ int i;
+
+ cancel_delayed_work_sync(&ar->led_work);
+
+ for (i = 0; i < AR9170_NUM_LEDS; i++)
+ if (ar->leds[i].registered) {
+ led_classdev_unregister(&ar->leds[i].l);
+ ar->leds[i].registered = false;
+ }
+}
+
+int ar9170_register_leds(struct ar9170 *ar)
+{
+ int err;
+
+ INIT_DELAYED_WORK(&ar->led_work, ar9170_update_leds);
+
+ err = ar9170_register_led(ar, 0, "tx",
+ ieee80211_get_tx_led_name(ar->hw));
+ if (err)
+ goto fail;
+
+ err = ar9170_register_led(ar, 1, "assoc",
+ ieee80211_get_assoc_led_name(ar->hw));
+ if (err)
+ goto fail;
+
+ return 0;
+
+fail:
+ ar9170_unregister_leds(ar);
+ return err;
+}
+
+#endif /* CONFIG_AR9170_LEDS */
diff --git a/drivers/net/wireless/ar9170/mac.c b/drivers/net/wireless/ar9170/mac.c
new file mode 100644
index 00000000000..c8fa3073169
--- /dev/null
+++ b/drivers/net/wireless/ar9170/mac.c
@@ -0,0 +1,452 @@
+/*
+ * Atheros AR9170 driver
+ *
+ * MAC programming
+ *
+ * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, see
+ * http://www.gnu.org/licenses/.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ * Copyright (c) 2007-2008 Atheros Communications, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#include "ar9170.h"
+#include "cmd.h"
+
+int ar9170_set_qos(struct ar9170 *ar)
+{
+ ar9170_regwrite_begin(ar);
+
+ ar9170_regwrite(AR9170_MAC_REG_AC0_CW, ar->edcf[0].cw_min |
+ (ar->edcf[0].cw_max << 16));
+ ar9170_regwrite(AR9170_MAC_REG_AC1_CW, ar->edcf[1].cw_min |
+ (ar->edcf[1].cw_max << 16));
+ ar9170_regwrite(AR9170_MAC_REG_AC2_CW, ar->edcf[2].cw_min |
+ (ar->edcf[2].cw_max << 16));
+ ar9170_regwrite(AR9170_MAC_REG_AC3_CW, ar->edcf[3].cw_min |
+ (ar->edcf[3].cw_max << 16));
+ ar9170_regwrite(AR9170_MAC_REG_AC4_CW, ar->edcf[4].cw_min |
+ (ar->edcf[4].cw_max << 16));
+
+ ar9170_regwrite(AR9170_MAC_REG_AC1_AC0_AIFS,
+ ((ar->edcf[0].aifs * 9 + 10)) |
+ ((ar->edcf[1].aifs * 9 + 10) << 12) |
+ ((ar->edcf[2].aifs * 9 + 10) << 24));
+ ar9170_regwrite(AR9170_MAC_REG_AC3_AC2_AIFS,
+ ((ar->edcf[2].aifs * 9 + 10) >> 8) |
+ ((ar->edcf[3].aifs * 9 + 10) << 4) |
+ ((ar->edcf[4].aifs * 9 + 10) << 16));
+
+ ar9170_regwrite(AR9170_MAC_REG_AC1_AC0_TXOP,
+ ar->edcf[0].txop | ar->edcf[1].txop << 16);
+ ar9170_regwrite(AR9170_MAC_REG_AC3_AC2_TXOP,
+ ar->edcf[1].txop | ar->edcf[3].txop << 16);
+
+ ar9170_regwrite_finish();
+
+ return ar9170_regwrite_result();
+}
+
+int ar9170_init_mac(struct ar9170 *ar)
+{
+ ar9170_regwrite_begin(ar);
+
+ ar9170_regwrite(AR9170_MAC_REG_ACK_EXTENSION, 0x40);
+
+ ar9170_regwrite(AR9170_MAC_REG_RETRY_MAX, 0);
+
+ /* enable MMIC */
+ ar9170_regwrite(AR9170_MAC_REG_SNIFFER,
+ AR9170_MAC_REG_SNIFFER_DEFAULTS);
+
+ ar9170_regwrite(AR9170_MAC_REG_RX_THRESHOLD, 0xc1f80);
+
+ ar9170_regwrite(AR9170_MAC_REG_RX_PE_DELAY, 0x70);
+ ar9170_regwrite(AR9170_MAC_REG_EIFS_AND_SIFS, 0xa144000);
+ ar9170_regwrite(AR9170_MAC_REG_SLOT_TIME, 9 << 10);
+
+ /* CF-END mode */
+ ar9170_regwrite(0x1c3b2c, 0x19000000);
+
+ /* NAV protects ACK only (in TXOP) */
+ ar9170_regwrite(0x1c3b38, 0x201);
+
+ /* Set Beacon PHY CTRL's TPC to 0x7, TA1=1 */
+ /* OTUS set AM to 0x1 */
+ ar9170_regwrite(AR9170_MAC_REG_BCN_HT1, 0x8000170);
+
+ ar9170_regwrite(AR9170_MAC_REG_BACKOFF_PROTECT, 0x105);
+
+ /* AGG test code*/
+ /* Aggregation MAX number and timeout */
+ ar9170_regwrite(0x1c3b9c, 0x10000a);
+
+ ar9170_regwrite(AR9170_MAC_REG_FRAMETYPE_FILTER,
+ AR9170_MAC_REG_FTF_DEFAULTS);
+
+ /* Enable deaggregator, response in sniffer mode */
+ ar9170_regwrite(0x1c3c40, 0x1 | 1<<30);
+
+ /* rate sets */
+ ar9170_regwrite(AR9170_MAC_REG_BASIC_RATE, 0x150f);
+ ar9170_regwrite(AR9170_MAC_REG_MANDATORY_RATE, 0x150f);
+ ar9170_regwrite(AR9170_MAC_REG_RTS_CTS_RATE, 0x10b01bb);
+
+ /* MIMO response control */
+ ar9170_regwrite(0x1c3694, 0x4003C1E);/* bit 26~28 otus-AM */
+
+ /* switch MAC to OTUS interface */
+ ar9170_regwrite(0x1c3600, 0x3);
+
+ ar9170_regwrite(AR9170_MAC_REG_AMPDU_RX_THRESH, 0xffff);
+
+ /* set PHY register read timeout (??) */
+ ar9170_regwrite(AR9170_MAC_REG_MISC_680, 0xf00008);
+
+ /* Disable Rx TimeOut, workaround for BB. */
+ ar9170_regwrite(AR9170_MAC_REG_RX_TIMEOUT, 0x0);
+
+ /* Set CPU clock frequency to 88/80MHz */
+ ar9170_regwrite(AR9170_PWR_REG_CLOCK_SEL,
+ AR9170_PWR_CLK_AHB_80_88MHZ |
+ AR9170_PWR_CLK_DAC_160_INV_DLY);
+
+ /* Set WLAN DMA interrupt mode: generate int per packet */
+ ar9170_regwrite(AR9170_MAC_REG_TXRX_MPI, 0x110011);
+
+ ar9170_regwrite(AR9170_MAC_REG_FCS_SELECT,
+ AR9170_MAC_FCS_FIFO_PROT);
+
+ /* Disables the CF_END frame, undocumented register */
+ ar9170_regwrite(AR9170_MAC_REG_TXOP_NOT_ENOUGH_IND,
+ 0x141E0F48);
+
+ ar9170_regwrite_finish();
+
+ return ar9170_regwrite_result();
+}
+
+static int ar9170_set_mac_reg(struct ar9170 *ar, const u32 reg, const u8 *mac)
+{
+ static const u8 zero[ETH_ALEN] = { 0 };
+
+ if (!mac)
+ mac = zero;
+
+ ar9170_regwrite_begin(ar);
+
+ ar9170_regwrite(reg,
+ (mac[3] << 24) | (mac[2] << 16) |
+ (mac[1] << 8) | mac[0]);
+
+ ar9170_regwrite(reg + 4, (mac[5] << 8) | mac[4]);
+
+ ar9170_regwrite_finish();
+
+ return ar9170_regwrite_result();
+}
+
+int ar9170_update_multicast(struct ar9170 *ar)
+{
+ int err;
+
+ ar9170_regwrite_begin(ar);
+ ar9170_regwrite(AR9170_MAC_REG_GROUP_HASH_TBL_H,
+ ar->want_mc_hash >> 32);
+ ar9170_regwrite(AR9170_MAC_REG_GROUP_HASH_TBL_L,
+ ar->want_mc_hash);
+
+ ar9170_regwrite_finish();
+ err = ar9170_regwrite_result();
+
+ if (err)
+ return err;
+
+ ar->cur_mc_hash = ar->want_mc_hash;
+
+ return 0;
+}
+
+int ar9170_update_frame_filter(struct ar9170 *ar)
+{
+ int err;
+
+ err = ar9170_write_reg(ar, AR9170_MAC_REG_FRAMETYPE_FILTER,
+ ar->want_filter);
+
+ if (err)
+ return err;
+
+ ar->cur_filter = ar->want_filter;
+
+ return 0;
+}
+
+static int ar9170_set_promiscouous(struct ar9170 *ar)
+{
+ u32 encr_mode, sniffer;
+ int err;
+
+ err = ar9170_read_reg(ar, AR9170_MAC_REG_SNIFFER, &sniffer);
+ if (err)
+ return err;
+
+ err = ar9170_read_reg(ar, AR9170_MAC_REG_ENCRYPTION, &encr_mode);
+ if (err)
+ return err;
+
+ if (ar->sniffer_enabled) {
+ sniffer |= AR9170_MAC_REG_SNIFFER_ENABLE_PROMISC;
+
+ /*
+ * Rx decryption works in place.
+ *
+ * If we don't disable it, the hardware will render all
+ * encrypted frames which are encrypted with an unknown
+ * key useless.
+ */
+
+ encr_mode |= AR9170_MAC_REG_ENCRYPTION_RX_SOFTWARE;
+ ar->sniffer_enabled = true;
+ } else {
+ sniffer &= ~AR9170_MAC_REG_SNIFFER_ENABLE_PROMISC;
+
+ if (ar->rx_software_decryption)
+ encr_mode |= AR9170_MAC_REG_ENCRYPTION_RX_SOFTWARE;
+ else
+ encr_mode &= ~AR9170_MAC_REG_ENCRYPTION_RX_SOFTWARE;
+ }
+
+ ar9170_regwrite_begin(ar);
+ ar9170_regwrite(AR9170_MAC_REG_ENCRYPTION, encr_mode);
+ ar9170_regwrite(AR9170_MAC_REG_SNIFFER, sniffer);
+ ar9170_regwrite_finish();
+
+ return ar9170_regwrite_result();
+}
+
+int ar9170_set_operating_mode(struct ar9170 *ar)
+{
+ u32 pm_mode = AR9170_MAC_REG_POWERMGT_DEFAULTS;
+ u8 *mac_addr, *bssid;
+ int err;
+
+ if (ar->vif) {
+ mac_addr = ar->mac_addr;
+ bssid = ar->bssid;
+
+ switch (ar->vif->type) {
+ case NL80211_IFTYPE_MESH_POINT:
+ case NL80211_IFTYPE_ADHOC:
+ pm_mode |= AR9170_MAC_REG_POWERMGT_IBSS;
+ break;
+/* case NL80211_IFTYPE_AP:
+ pm_mode |= AR9170_MAC_REG_POWERMGT_AP;
+ break;*/
+ case NL80211_IFTYPE_WDS:
+ pm_mode |= AR9170_MAC_REG_POWERMGT_AP_WDS;
+ break;
+ case NL80211_IFTYPE_MONITOR:
+ ar->sniffer_enabled = true;
+ ar->rx_software_decryption = true;
+ break;
+ default:
+ pm_mode |= AR9170_MAC_REG_POWERMGT_STA;
+ break;
+ }
+ } else {
+ mac_addr = NULL;
+ bssid = NULL;
+ }
+
+ err = ar9170_set_mac_reg(ar, AR9170_MAC_REG_MAC_ADDR_L, mac_addr);
+ if (err)
+ return err;
+
+ err = ar9170_set_mac_reg(ar, AR9170_MAC_REG_BSSID_L, bssid);
+ if (err)
+ return err;
+
+ err = ar9170_set_promiscouous(ar);
+ if (err)
+ return err;
+
+ ar9170_regwrite_begin(ar);
+
+ ar9170_regwrite(AR9170_MAC_REG_POWERMANAGEMENT, pm_mode);
+ ar9170_regwrite_finish();
+
+ return ar9170_regwrite_result();
+}
+
+int ar9170_set_hwretry_limit(struct ar9170 *ar, unsigned int max_retry)
+{
+ u32 tmp = min_t(u32, 0x33333, max_retry * 0x11111);
+
+ return ar9170_write_reg(ar, AR9170_MAC_REG_RETRY_MAX, tmp);
+}
+
+int ar9170_set_beacon_timers(struct ar9170 *ar)
+{
+ u32 v = 0;
+ u32 pretbtt = 0;
+
+ v |= ar->hw->conf.beacon_int;
+
+ if (ar->vif) {
+ switch (ar->vif->type) {
+ case NL80211_IFTYPE_MESH_POINT:
+ case NL80211_IFTYPE_ADHOC:
+ v |= BIT(25);
+ break;
+ case NL80211_IFTYPE_AP:
+ v |= BIT(24);
+ pretbtt = (ar->hw->conf.beacon_int - 6) << 16;
+ break;
+ default:
+ break;
+ }
+
+ v |= ar->vif->bss_conf.dtim_period << 16;
+ }
+
+ ar9170_regwrite_begin(ar);
+
+ ar9170_regwrite(AR9170_MAC_REG_PRETBTT, pretbtt);
+ ar9170_regwrite(AR9170_MAC_REG_BCN_PERIOD, v);
+ ar9170_regwrite_finish();
+ return ar9170_regwrite_result();
+}
+
+int ar9170_update_beacon(struct ar9170 *ar)
+{
+ struct sk_buff *skb;
+ __le32 *data, *old = NULL;
+ u32 word;
+ int i;
+
+ skb = ieee80211_beacon_get(ar->hw, ar->vif);
+ if (!skb)
+ return -ENOMEM;
+
+ data = (__le32 *)skb->data;
+ if (ar->beacon)
+ old = (__le32 *)ar->beacon->data;
+
+ ar9170_regwrite_begin(ar);
+ for (i = 0; i < DIV_ROUND_UP(skb->len, 4); i++) {
+ /*
+ * XXX: This accesses beyond skb data for up
+ * to the last 3 bytes!!
+ */
+
+ if (old && (data[i] == old[i]))
+ continue;
+
+ word = le32_to_cpu(data[i]);
+ ar9170_regwrite(AR9170_BEACON_BUFFER_ADDRESS + 4 * i, word);
+ }
+
+ /* XXX: use skb->cb info */
+ if (ar->hw->conf.channel->band == IEEE80211_BAND_2GHZ)
+ ar9170_regwrite(AR9170_MAC_REG_BCN_PLCP,
+ ((skb->len + 4) << (3+16)) + 0x0400);
+ else
+ ar9170_regwrite(AR9170_MAC_REG_BCN_PLCP,
+ ((skb->len + 4) << (3+16)) + 0x0400);
+
+ ar9170_regwrite(AR9170_MAC_REG_BCN_LENGTH, skb->len + 4);
+ ar9170_regwrite(AR9170_MAC_REG_BCN_ADDR, AR9170_BEACON_BUFFER_ADDRESS);
+ ar9170_regwrite(AR9170_MAC_REG_BCN_CTRL, 1);
+
+ ar9170_regwrite_finish();
+
+ dev_kfree_skb(ar->beacon);
+ ar->beacon = skb;
+
+ return ar9170_regwrite_result();
+}
+
+void ar9170_new_beacon(struct work_struct *work)
+{
+ struct ar9170 *ar = container_of(work, struct ar9170,
+ beacon_work);
+ struct sk_buff *skb;
+
+ if (unlikely(!IS_STARTED(ar)))
+ return ;
+
+ mutex_lock(&ar->mutex);
+
+ if (!ar->vif)
+ goto out;
+
+ ar9170_update_beacon(ar);
+
+ rcu_read_lock();
+ while ((skb = ieee80211_get_buffered_bc(ar->hw, ar->vif)))
+ ar9170_op_tx(ar->hw, skb);
+
+ rcu_read_unlock();
+
+ out:
+ mutex_unlock(&ar->mutex);
+}
+
+int ar9170_upload_key(struct ar9170 *ar, u8 id, const u8 *mac, u8 ktype,
+ u8 keyidx, u8 *keydata, int keylen)
+{
+ __le32 vals[7];
+ static const u8 bcast[ETH_ALEN] =
+ { 0xff, 0xff, 0xff, 0xff, 0xff, 0xff };
+ u8 dummy;
+
+ mac = mac ? : bcast;
+
+ vals[0] = cpu_to_le32((keyidx << 16) + id);
+ vals[1] = cpu_to_le32(mac[1] << 24 | mac[0] << 16 | ktype);
+ vals[2] = cpu_to_le32(mac[5] << 24 | mac[4] << 16 |
+ mac[3] << 8 | mac[2]);
+ memset(&vals[3], 0, 16);
+ if (keydata)
+ memcpy(&vals[3], keydata, keylen);
+
+ return ar->exec_cmd(ar, AR9170_CMD_EKEY,
+ sizeof(vals), (u8 *)vals,
+ 1, &dummy);
+}
+
+int ar9170_disable_key(struct ar9170 *ar, u8 id)
+{
+ __le32 val = cpu_to_le32(id);
+ u8 dummy;
+
+ return ar->exec_cmd(ar, AR9170_CMD_EKEY,
+ sizeof(val), (u8 *)&val,
+ 1, &dummy);
+}
diff --git a/drivers/net/wireless/ar9170/main.c b/drivers/net/wireless/ar9170/main.c
new file mode 100644
index 00000000000..5996ff9f7f4
--- /dev/null
+++ b/drivers/net/wireless/ar9170/main.c
@@ -0,0 +1,1671 @@
+/*
+ * Atheros AR9170 driver
+ *
+ * mac80211 interaction code
+ *
+ * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2009, Christian Lamparter <chunkeey@web.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, see
+ * http://www.gnu.org/licenses/.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ * Copyright (c) 2007-2008 Atheros Communications, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/init.h>
+#include <linux/module.h>
+#include <linux/etherdevice.h>
+#include <net/mac80211.h>
+#include "ar9170.h"
+#include "hw.h"
+#include "cmd.h"
+
+static int modparam_nohwcrypt;
+module_param_named(nohwcrypt, modparam_nohwcrypt, bool, S_IRUGO);
+MODULE_PARM_DESC(nohwcrypt, "Disable hardware encryption.");
+
+#define RATE(_bitrate, _hw_rate, _txpidx, _flags) { \
+ .bitrate = (_bitrate), \
+ .flags = (_flags), \
+ .hw_value = (_hw_rate) | (_txpidx) << 4, \
+}
+
+static struct ieee80211_rate __ar9170_ratetable[] = {
+ RATE(10, 0, 0, 0),
+ RATE(20, 1, 1, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(55, 2, 2, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(110, 3, 3, IEEE80211_RATE_SHORT_PREAMBLE),
+ RATE(60, 0xb, 0, 0),
+ RATE(90, 0xf, 0, 0),
+ RATE(120, 0xa, 0, 0),
+ RATE(180, 0xe, 0, 0),
+ RATE(240, 0x9, 0, 0),
+ RATE(360, 0xd, 1, 0),
+ RATE(480, 0x8, 2, 0),
+ RATE(540, 0xc, 3, 0),
+};
+#undef RATE
+
+#define ar9170_g_ratetable (__ar9170_ratetable + 0)
+#define ar9170_g_ratetable_size 12
+#define ar9170_a_ratetable (__ar9170_ratetable + 4)
+#define ar9170_a_ratetable_size 8
+
+/*
+ * NB: The hw_value is used as an index into the ar9170_phy_freq_params
+ * array in phy.c so that we don't have to do frequency lookups!
+ */
+#define CHAN(_freq, _idx) { \
+ .center_freq = (_freq), \
+ .hw_value = (_idx), \
+ .max_power = 18, /* XXX */ \
+}
+
+static struct ieee80211_channel ar9170_2ghz_chantable[] = {
+ CHAN(2412, 0),
+ CHAN(2417, 1),
+ CHAN(2422, 2),
+ CHAN(2427, 3),
+ CHAN(2432, 4),
+ CHAN(2437, 5),
+ CHAN(2442, 6),
+ CHAN(2447, 7),
+ CHAN(2452, 8),
+ CHAN(2457, 9),
+ CHAN(2462, 10),
+ CHAN(2467, 11),
+ CHAN(2472, 12),
+ CHAN(2484, 13),
+};
+
+static struct ieee80211_channel ar9170_5ghz_chantable[] = {
+ CHAN(4920, 14),
+ CHAN(4940, 15),
+ CHAN(4960, 16),
+ CHAN(4980, 17),
+ CHAN(5040, 18),
+ CHAN(5060, 19),
+ CHAN(5080, 20),
+ CHAN(5180, 21),
+ CHAN(5200, 22),
+ CHAN(5220, 23),
+ CHAN(5240, 24),
+ CHAN(5260, 25),
+ CHAN(5280, 26),
+ CHAN(5300, 27),
+ CHAN(5320, 28),
+ CHAN(5500, 29),
+ CHAN(5520, 30),
+ CHAN(5540, 31),
+ CHAN(5560, 32),
+ CHAN(5580, 33),
+ CHAN(5600, 34),
+ CHAN(5620, 35),
+ CHAN(5640, 36),
+ CHAN(5660, 37),
+ CHAN(5680, 38),
+ CHAN(5700, 39),
+ CHAN(5745, 40),
+ CHAN(5765, 41),
+ CHAN(5785, 42),
+ CHAN(5805, 43),
+ CHAN(5825, 44),
+ CHAN(5170, 45),
+ CHAN(5190, 46),
+ CHAN(5210, 47),
+ CHAN(5230, 48),
+};
+#undef CHAN
+
+static struct ieee80211_supported_band ar9170_band_2GHz = {
+ .channels = ar9170_2ghz_chantable,
+ .n_channels = ARRAY_SIZE(ar9170_2ghz_chantable),
+ .bitrates = ar9170_g_ratetable,
+ .n_bitrates = ar9170_g_ratetable_size,
+};
+
+#ifdef AR9170_QUEUE_DEBUG
+/*
+ * In case some wants works with AR9170's crazy tx_status queueing techniques.
+ * He might need this rather useful probing function.
+ *
+ * NOTE: caller must hold the queue's spinlock!
+ */
+
+static void ar9170_print_txheader(struct ar9170 *ar, struct sk_buff *skb)
+{
+ struct ar9170_tx_control *txc = (void *) skb->data;
+ struct ieee80211_hdr *hdr = (void *)txc->frame_data;
+
+ printk(KERN_DEBUG "%s: => FRAME [skb:%p, queue:%d, DA:[%pM] "
+ "mac_control:%04x, phy_control:%08x]\n",
+ wiphy_name(ar->hw->wiphy), skb, skb_get_queue_mapping(skb),
+ ieee80211_get_DA(hdr), le16_to_cpu(txc->mac_control),
+ le32_to_cpu(txc->phy_control));
+}
+
+static void ar9170_dump_station_tx_status_queue(struct ar9170 *ar,
+ struct sk_buff_head *queue)
+{
+ struct sk_buff *skb;
+ int i = 0;
+
+ printk(KERN_DEBUG "---[ cut here ]---\n");
+ printk(KERN_DEBUG "%s: %d entries in tx_status queue.\n",
+ wiphy_name(ar->hw->wiphy), skb_queue_len(queue));
+
+ skb_queue_walk(queue, skb) {
+ struct ar9170_tx_control *txc = (void *) skb->data;
+ struct ieee80211_hdr *hdr = (void *)txc->frame_data;
+
+ printk(KERN_DEBUG "index:%d => \n", i);
+ ar9170_print_txheader(ar, skb);
+ }
+ printk(KERN_DEBUG "---[ end ]---\n");
+}
+#endif /* AR9170_QUEUE_DEBUG */
+
+static struct ieee80211_supported_band ar9170_band_5GHz = {
+ .channels = ar9170_5ghz_chantable,
+ .n_channels = ARRAY_SIZE(ar9170_5ghz_chantable),
+ .bitrates = ar9170_a_ratetable,
+ .n_bitrates = ar9170_a_ratetable_size,
+};
+
+void ar9170_handle_tx_status(struct ar9170 *ar, struct sk_buff *skb,
+ bool valid_status, u16 tx_status)
+{
+ struct ieee80211_tx_info *txinfo;
+ unsigned int retries = 0, queue = skb_get_queue_mapping(skb);
+ unsigned long flags;
+
+ spin_lock_irqsave(&ar->tx_stats_lock, flags);
+ ar->tx_stats[queue].len--;
+ if (ieee80211_queue_stopped(ar->hw, queue))
+ ieee80211_wake_queue(ar->hw, queue);
+ spin_unlock_irqrestore(&ar->tx_stats_lock, flags);
+
+ txinfo = IEEE80211_SKB_CB(skb);
+ ieee80211_tx_info_clear_status(txinfo);
+
+ switch (tx_status) {
+ case AR9170_TX_STATUS_RETRY:
+ retries = 2;
+ case AR9170_TX_STATUS_COMPLETE:
+ txinfo->flags |= IEEE80211_TX_STAT_ACK;
+ break;
+
+ case AR9170_TX_STATUS_FAILED:
+ retries = ar->hw->conf.long_frame_max_tx_count;
+ break;
+
+ default:
+ printk(KERN_ERR "%s: invalid tx_status response (%x).\n",
+ wiphy_name(ar->hw->wiphy), tx_status);
+ break;
+ }
+
+ if (valid_status)
+ txinfo->status.rates[0].count = retries + 1;
+
+ skb_pull(skb, sizeof(struct ar9170_tx_control));
+ ieee80211_tx_status_irqsafe(ar->hw, skb);
+}
+
+static struct sk_buff *ar9170_find_skb_in_queue(struct ar9170 *ar,
+ const u8 *mac,
+ const u32 queue,
+ struct sk_buff_head *q)
+{
+ unsigned long flags;
+ struct sk_buff *skb;
+
+ spin_lock_irqsave(&q->lock, flags);
+ skb_queue_walk(q, skb) {
+ struct ar9170_tx_control *txc = (void *) skb->data;
+ struct ieee80211_hdr *hdr = (void *) txc->frame_data;
+ u32 txc_queue = (le32_to_cpu(txc->phy_control) &
+ AR9170_TX_PHY_QOS_MASK) >>
+ AR9170_TX_PHY_QOS_SHIFT;
+
+ if ((queue != txc_queue) ||
+ (compare_ether_addr(ieee80211_get_DA(hdr), mac)))
+ continue;
+
+ __skb_unlink(skb, q);
+ spin_unlock_irqrestore(&q->lock, flags);
+ return skb;
+ }
+ spin_unlock_irqrestore(&q->lock, flags);
+ return NULL;
+}
+
+static struct sk_buff *ar9170_find_queued_skb(struct ar9170 *ar, const u8 *mac,
+ const u32 queue)
+{
+ struct ieee80211_sta *sta;
+ struct sk_buff *skb;
+
+ /*
+ * Unfortunately, the firmware does not tell to which (queued) frame
+ * this transmission status report belongs to.
+ *
+ * So we have to make risky guesses - with the scarce information
+ * the firmware provided (-> destination MAC, and phy_control) -
+ * and hope that we picked the right one...
+ */
+ rcu_read_lock();
+ sta = ieee80211_find_sta(ar->hw, mac);
+
+ if (likely(sta)) {
+ struct ar9170_sta_info *sta_priv = (void *) sta->drv_priv;
+ skb = skb_dequeue(&sta_priv->tx_status[queue]);
+ rcu_read_unlock();
+ if (likely(skb))
+ return skb;
+ } else
+ rcu_read_unlock();
+
+ /* scan the waste queue for candidates */
+ skb = ar9170_find_skb_in_queue(ar, mac, queue,
+ &ar->global_tx_status_waste);
+ if (!skb) {
+ /* so it still _must_ be in the global list. */
+ skb = ar9170_find_skb_in_queue(ar, mac, queue,
+ &ar->global_tx_status);
+ }
+
+#ifdef AR9170_QUEUE_DEBUG
+ if (unlikely((!skb) && net_ratelimit())) {
+ printk(KERN_ERR "%s: ESS:[%pM] does not have any "
+ "outstanding frames in this queue (%d).\n",
+ wiphy_name(ar->hw->wiphy), mac, queue);
+ }
+#endif /* AR9170_QUEUE_DEBUG */
+ return skb;
+}
+
+/*
+ * This worker tries to keep the global tx_status queue empty.
+ * So we can guarantee that incoming tx_status reports for
+ * unregistered stations are always synced with the actual
+ * frame - which we think - belongs to.
+ */
+
+static void ar9170_tx_status_janitor(struct work_struct *work)
+{
+ struct ar9170 *ar = container_of(work, struct ar9170,
+ tx_status_janitor.work);
+ struct sk_buff *skb;
+
+ if (unlikely(!IS_STARTED(ar)))
+ return ;
+
+ mutex_lock(&ar->mutex);
+ /* recycle the garbage back to mac80211... one by one. */
+ while ((skb = skb_dequeue(&ar->global_tx_status_waste))) {
+#ifdef AR9170_QUEUE_DEBUG
+ printk(KERN_DEBUG "%s: dispose queued frame =>\n",
+ wiphy_name(ar->hw->wiphy));
+ ar9170_print_txheader(ar, skb);
+#endif /* AR9170_QUEUE_DEBUG */
+ ar9170_handle_tx_status(ar, skb, false,
+ AR9170_TX_STATUS_FAILED);
+ }
+
+ while ((skb = skb_dequeue(&ar->global_tx_status))) {
+#ifdef AR9170_QUEUE_DEBUG
+ printk(KERN_DEBUG "%s: moving frame into waste queue =>\n",
+ wiphy_name(ar->hw->wiphy));
+
+ ar9170_print_txheader(ar, skb);
+#endif /* AR9170_QUEUE_DEBUG */
+ skb_queue_tail(&ar->global_tx_status_waste, skb);
+ }
+
+ /* recall the janitor in 100ms - if there's garbage in the can. */
+ if (skb_queue_len(&ar->global_tx_status_waste) > 0)
+ queue_delayed_work(ar->hw->workqueue, &ar->tx_status_janitor,
+ msecs_to_jiffies(100));
+
+ mutex_unlock(&ar->mutex);
+}
+
+static void ar9170_handle_command_response(struct ar9170 *ar,
+ void *buf, u32 len)
+{
+ struct ar9170_cmd_response *cmd = (void *) buf;
+
+ if ((cmd->type & 0xc0) != 0xc0) {
+ ar->callback_cmd(ar, len, buf);
+ return;
+ }
+
+ /* hardware event handlers */
+ switch (cmd->type) {
+ case 0xc1: {
+ /*
+ * TX status notification:
+ * bytes: 0c c1 XX YY M1 M2 M3 M4 M5 M6 R4 R3 R2 R1 S2 S1
+ *
+ * XX always 81
+ * YY always 00
+ * M1-M6 is the MAC address
+ * R1-R4 is the transmit rate
+ * S1-S2 is the transmit status
+ */
+
+ struct sk_buff *skb;
+ u32 queue = (le32_to_cpu(cmd->tx_status.rate) &
+ AR9170_TX_PHY_QOS_MASK) >> AR9170_TX_PHY_QOS_SHIFT;
+
+ skb = ar9170_find_queued_skb(ar, cmd->tx_status.dst, queue);
+ if (unlikely(!skb))
+ return ;
+
+ ar9170_handle_tx_status(ar, skb, true,
+ le16_to_cpu(cmd->tx_status.status));
+ break;
+ }
+
+ case 0xc0:
+ /*
+ * pre-TBTT event
+ */
+ if (ar->vif && ar->vif->type == NL80211_IFTYPE_AP)
+ queue_work(ar->hw->workqueue, &ar->beacon_work);
+ break;
+
+ case 0xc2:
+ /*
+ * (IBSS) beacon send notification
+ * bytes: 04 c2 XX YY B4 B3 B2 B1
+ *
+ * XX always 80
+ * YY always 00
+ * B1-B4 "should" be the number of send out beacons.
+ */
+ break;
+
+ case 0xc3:
+ /* End of Atim Window */
+ break;
+
+ case 0xc4:
+ case 0xc5:
+ /* BlockACK events */
+ break;
+
+ case 0xc6:
+ /* Watchdog Interrupt */
+ break;
+
+ case 0xc9:
+ /* retransmission issue / SIFS/EIFS collision ?! */
+ break;
+
+ default:
+ printk(KERN_INFO "received unhandled event %x\n", cmd->type);
+ print_hex_dump_bytes("dump:", DUMP_PREFIX_NONE, buf, len);
+ break;
+ }
+}
+
+/*
+ * If the frame alignment is right (or the kernel has
+ * CONFIG_HAVE_EFFICIENT_UNALIGNED_ACCESS), and there
+ * is only a single MPDU in the USB frame, then we can
+ * submit to mac80211 the SKB directly. However, since
+ * there may be multiple packets in one SKB in stream
+ * mode, and we need to observe the proper ordering,
+ * this is non-trivial.
+ */
+static void ar9170_handle_mpdu(struct ar9170 *ar, u8 *buf, int len)
+{
+ struct sk_buff *skb;
+ struct ar9170_rx_head *head = (void *)buf;
+ struct ar9170_rx_tail *tail;
+ struct ieee80211_rx_status status;
+ int mpdu_len, i;
+ u8 error, antennas = 0, decrypt;
+ __le16 fc;
+ int reserved;
+
+ if (unlikely(!IS_STARTED(ar)))
+ return ;
+
+ /* Received MPDU */
+ mpdu_len = len;
+ mpdu_len -= sizeof(struct ar9170_rx_head);
+ mpdu_len -= sizeof(struct ar9170_rx_tail);
+ BUILD_BUG_ON(sizeof(struct ar9170_rx_head) != 12);
+ BUILD_BUG_ON(sizeof(struct ar9170_rx_tail) != 24);
+
+ if (mpdu_len <= FCS_LEN)
+ return;
+
+ tail = (void *)(buf + sizeof(struct ar9170_rx_head) + mpdu_len);
+
+ for (i = 0; i < 3; i++)
+ if (tail->rssi[i] != 0x80)
+ antennas |= BIT(i);
+
+ /* post-process RSSI */
+ for (i = 0; i < 7; i++)
+ if (tail->rssi[i] & 0x80)
+ tail->rssi[i] = ((tail->rssi[i] & 0x7f) + 1) & 0x7f;
+
+ memset(&status, 0, sizeof(status));
+
+ status.band = ar->channel->band;
+ status.freq = ar->channel->center_freq;
+ status.signal = ar->noise[0] + tail->rssi_combined;
+ status.noise = ar->noise[0];
+ status.antenna = antennas;
+
+ switch (tail->status & AR9170_RX_STATUS_MODULATION_MASK) {
+ case AR9170_RX_STATUS_MODULATION_CCK:
+ if (tail->status & AR9170_RX_STATUS_SHORT_PREAMBLE)
+ status.flag |= RX_FLAG_SHORTPRE;
+ switch (head->plcp[0]) {
+ case 0x0a:
+ status.rate_idx = 0;
+ break;
+ case 0x14:
+ status.rate_idx = 1;
+ break;
+ case 0x37:
+ status.rate_idx = 2;
+ break;
+ case 0x6e:
+ status.rate_idx = 3;
+ break;
+ default:
+ if ((!ar->sniffer_enabled) && (net_ratelimit()))
+ printk(KERN_ERR "%s: invalid plcp cck rate "
+ "(%x).\n", wiphy_name(ar->hw->wiphy),
+ head->plcp[0]);
+ return;
+ }
+ break;
+ case AR9170_RX_STATUS_MODULATION_OFDM:
+ switch (head->plcp[0] & 0xF) {
+ case 0xB:
+ status.rate_idx = 0;
+ break;
+ case 0xF:
+ status.rate_idx = 1;
+ break;
+ case 0xA:
+ status.rate_idx = 2;
+ break;
+ case 0xE:
+ status.rate_idx = 3;
+ break;
+ case 0x9:
+ status.rate_idx = 4;
+ break;
+ case 0xD:
+ status.rate_idx = 5;
+ break;
+ case 0x8:
+ status.rate_idx = 6;
+ break;
+ case 0xC:
+ status.rate_idx = 7;
+ break;
+ default:
+ if ((!ar->sniffer_enabled) && (net_ratelimit()))
+ printk(KERN_ERR "%s: invalid plcp ofdm rate "
+ "(%x).\n", wiphy_name(ar->hw->wiphy),
+ head->plcp[0]);
+ return;
+ }
+ if (status.band == IEEE80211_BAND_2GHZ)
+ status.rate_idx += 4;
+ break;
+ case AR9170_RX_STATUS_MODULATION_HT:
+ case AR9170_RX_STATUS_MODULATION_DUPOFDM:
+ /* XXX */
+
+ if (net_ratelimit())
+ printk(KERN_ERR "%s: invalid modulation\n",
+ wiphy_name(ar->hw->wiphy));
+ return;
+ }
+
+ error = tail->error;
+
+ if (error & AR9170_RX_ERROR_MMIC) {
+ status.flag |= RX_FLAG_MMIC_ERROR;
+ error &= ~AR9170_RX_ERROR_MMIC;
+ }
+
+ if (error & AR9170_RX_ERROR_PLCP) {
+ status.flag |= RX_FLAG_FAILED_PLCP_CRC;
+ error &= ~AR9170_RX_ERROR_PLCP;
+ }
+
+ if (error & AR9170_RX_ERROR_FCS) {
+ status.flag |= RX_FLAG_FAILED_FCS_CRC;
+ error &= ~AR9170_RX_ERROR_FCS;
+ }
+
+ decrypt = ar9170_get_decrypt_type(tail);
+ if (!(decrypt & AR9170_RX_ENC_SOFTWARE) &&
+ decrypt != AR9170_ENC_ALG_NONE)
+ status.flag |= RX_FLAG_DECRYPTED;
+
+ /* ignore wrong RA errors */
+ error &= ~AR9170_RX_ERROR_WRONG_RA;
+
+ if (error & AR9170_RX_ERROR_DECRYPT) {
+ error &= ~AR9170_RX_ERROR_DECRYPT;
+
+ /*
+ * Rx decryption is done in place,
+ * the original data is lost anyway.
+ */
+ return ;
+ }
+
+ /* drop any other error frames */
+ if ((error) && (net_ratelimit())) {
+ printk(KERN_DEBUG "%s: errors: %#x\n",
+ wiphy_name(ar->hw->wiphy), error);
+ return;
+ }
+
+ buf += sizeof(struct ar9170_rx_head);
+ fc = *(__le16 *)buf;
+
+ if (ieee80211_is_data_qos(fc) ^ ieee80211_has_a4(fc))
+ reserved = 32 + 2;
+ else
+ reserved = 32;
+
+ skb = dev_alloc_skb(mpdu_len + reserved);
+ if (!skb)
+ return;
+
+ skb_reserve(skb, reserved);
+ memcpy(skb_put(skb, mpdu_len), buf, mpdu_len);
+ ieee80211_rx_irqsafe(ar->hw, skb, &status);
+}
+
+void ar9170_rx(struct ar9170 *ar, struct sk_buff *skb)
+{
+ unsigned int i, tlen, resplen;
+ u8 *tbuf, *respbuf;
+
+ tbuf = skb->data;
+ tlen = skb->len;
+
+ while (tlen >= 4) {
+ int clen = tbuf[1] << 8 | tbuf[0];
+ int wlen = (clen + 3) & ~3;
+
+ /*
+ * parse stream (if any)
+ */
+ if (tbuf[2] != 0 || tbuf[3] != 0x4e) {
+ printk(KERN_ERR "%s: missing tag!\n",
+ wiphy_name(ar->hw->wiphy));
+ return ;
+ }
+ if (wlen > tlen - 4) {
+ printk(KERN_ERR "%s: invalid RX (%d, %d, %d)\n",
+ wiphy_name(ar->hw->wiphy), clen, wlen, tlen);
+ print_hex_dump(KERN_DEBUG, "data: ",
+ DUMP_PREFIX_OFFSET,
+ 16, 1, tbuf, tlen, true);
+ return ;
+ }
+ resplen = clen;
+ respbuf = tbuf + 4;
+ tbuf += wlen + 4;
+ tlen -= wlen + 4;
+
+ i = 0;
+
+ /* weird thing, but this is the same in the original driver */
+ while (resplen > 2 && i < 12 &&
+ respbuf[0] == 0xff && respbuf[1] == 0xff) {
+ i += 2;
+ resplen -= 2;
+ respbuf += 2;
+ }
+
+ if (resplen < 4)
+ continue;
+
+ /* found the 6 * 0xffff marker? */
+ if (i == 12)
+ ar9170_handle_command_response(ar, respbuf, resplen);
+ else
+ ar9170_handle_mpdu(ar, respbuf, resplen);
+ }
+
+ if (tlen)
+ printk(KERN_ERR "%s: buffer remains!\n",
+ wiphy_name(ar->hw->wiphy));
+}
+
+#define AR9170_FILL_QUEUE(queue, ai_fs, cwmin, cwmax, _txop) \
+do { \
+ queue.aifs = ai_fs; \
+ queue.cw_min = cwmin; \
+ queue.cw_max = cwmax; \
+ queue.txop = _txop; \
+} while (0)
+
+static int ar9170_op_start(struct ieee80211_hw *hw)
+{
+ struct ar9170 *ar = hw->priv;
+ int err, i;
+
+ mutex_lock(&ar->mutex);
+
+ /* reinitialize queues statistics */
+ memset(&ar->tx_stats, 0, sizeof(ar->tx_stats));
+ for (i = 0; i < ARRAY_SIZE(ar->tx_stats); i++)
+ ar->tx_stats[i].limit = 8;
+
+ /* reset QoS defaults */
+ AR9170_FILL_QUEUE(ar->edcf[0], 3, 15, 1023, 0); /* BEST EFFORT*/
+ AR9170_FILL_QUEUE(ar->edcf[1], 7, 15, 1023, 0); /* BACKGROUND */
+ AR9170_FILL_QUEUE(ar->edcf[2], 2, 7, 15, 94); /* VIDEO */
+ AR9170_FILL_QUEUE(ar->edcf[3], 2, 3, 7, 47); /* VOICE */
+ AR9170_FILL_QUEUE(ar->edcf[4], 2, 3, 7, 0); /* SPECIAL */
+
+ err = ar->open(ar);
+ if (err)
+ goto out;
+
+ err = ar9170_init_mac(ar);
+ if (err)
+ goto out;
+
+ err = ar9170_set_qos(ar);
+ if (err)
+ goto out;
+
+ err = ar9170_init_phy(ar, IEEE80211_BAND_2GHZ);
+ if (err)
+ goto out;
+
+ err = ar9170_init_rf(ar);
+ if (err)
+ goto out;
+
+ /* start DMA */
+ err = ar9170_write_reg(ar, 0x1c3d30, 0x100);
+ if (err)
+ goto out;
+
+ ar->state = AR9170_STARTED;
+
+out:
+ mutex_unlock(&ar->mutex);
+ return err;
+}
+
+static void ar9170_op_stop(struct ieee80211_hw *hw)
+{
+ struct ar9170 *ar = hw->priv;
+
+ if (IS_STARTED(ar))
+ ar->state = AR9170_IDLE;
+
+ mutex_lock(&ar->mutex);
+
+ cancel_delayed_work_sync(&ar->tx_status_janitor);
+ cancel_work_sync(&ar->filter_config_work);
+ cancel_work_sync(&ar->beacon_work);
+ skb_queue_purge(&ar->global_tx_status_waste);
+ skb_queue_purge(&ar->global_tx_status);
+
+ if (IS_ACCEPTING_CMD(ar)) {
+ ar9170_set_leds_state(ar, 0);
+
+ /* stop DMA */
+ ar9170_write_reg(ar, 0x1c3d30, 0);
+ ar->stop(ar);
+ }
+
+ mutex_unlock(&ar->mutex);
+}
+
+int ar9170_op_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
+{
+ struct ar9170 *ar = hw->priv;
+ struct ieee80211_hdr *hdr;
+ struct ar9170_tx_control *txc;
+ struct ieee80211_tx_info *info;
+ struct ieee80211_rate *rate = NULL;
+ struct ieee80211_tx_rate *txrate;
+ unsigned int queue = skb_get_queue_mapping(skb);
+ unsigned long flags = 0;
+ struct ar9170_sta_info *sta_info = NULL;
+ u32 power, chains;
+ u16 keytype = 0;
+ u16 len, icv = 0;
+ int err;
+ bool tx_status;
+
+ if (unlikely(!IS_STARTED(ar)))
+ goto err_free;
+
+ hdr = (void *)skb->data;
+ info = IEEE80211_SKB_CB(skb);
+ len = skb->len;
+
+ spin_lock_irqsave(&ar->tx_stats_lock, flags);
+ if (ar->tx_stats[queue].limit < ar->tx_stats[queue].len) {
+ spin_unlock_irqrestore(&ar->tx_stats_lock, flags);
+ return NETDEV_TX_OK;
+ }
+
+ ar->tx_stats[queue].len++;
+ ar->tx_stats[queue].count++;
+ if (ar->tx_stats[queue].limit == ar->tx_stats[queue].len)
+ ieee80211_stop_queue(hw, queue);
+
+ spin_unlock_irqrestore(&ar->tx_stats_lock, flags);
+
+ txc = (void *)skb_push(skb, sizeof(*txc));
+
+ tx_status = (((info->flags & IEEE80211_TX_CTL_RATE_CTRL_PROBE) != 0) ||
+ ((info->flags & IEEE80211_TX_CTL_REQ_TX_STATUS) != 0));
+
+ if (info->control.hw_key) {
+ icv = info->control.hw_key->icv_len;
+
+ switch (info->control.hw_key->alg) {
+ case ALG_WEP:
+ keytype = AR9170_TX_MAC_ENCR_RC4;
+ break;
+ case ALG_TKIP:
+ keytype = AR9170_TX_MAC_ENCR_RC4;
+ break;
+ case ALG_CCMP:
+ keytype = AR9170_TX_MAC_ENCR_AES;
+ break;
+ default:
+ WARN_ON(1);
+ goto err_dequeue;
+ }
+ }
+
+ /* Length */
+ txc->length = cpu_to_le16(len + icv + 4);
+
+ txc->mac_control = cpu_to_le16(AR9170_TX_MAC_HW_DURATION |
+ AR9170_TX_MAC_BACKOFF);
+ txc->mac_control |= cpu_to_le16(ar9170_qos_hwmap[queue] <<
+ AR9170_TX_MAC_QOS_SHIFT);
+ txc->mac_control |= cpu_to_le16(keytype);
+ txc->phy_control = cpu_to_le32(0);
+
+ if (info->flags & IEEE80211_TX_CTL_NO_ACK)
+ txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_NO_ACK);
+
+ if (info->flags & IEEE80211_TX_CTL_AMPDU)
+ txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_AGGR);
+
+ txrate = &info->control.rates[0];
+
+ if (txrate->flags & IEEE80211_TX_RC_USE_CTS_PROTECT)
+ txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_PROT_CTS);
+ else if (txrate->flags & IEEE80211_TX_RC_USE_RTS_CTS)
+ txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_PROT_RTS);
+
+ if (txrate->flags & IEEE80211_TX_RC_GREEN_FIELD)
+ txc->phy_control |= cpu_to_le32(AR9170_TX_PHY_GREENFIELD);
+
+ if (txrate->flags & IEEE80211_TX_RC_USE_SHORT_PREAMBLE)
+ txc->phy_control |= cpu_to_le32(AR9170_TX_PHY_SHORT_PREAMBLE);
+
+ if (txrate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH)
+ txc->phy_control |= cpu_to_le32(AR9170_TX_PHY_BW_40MHZ);
+ /* this works because 40 MHz is 2 and dup is 3 */
+ if (txrate->flags & IEEE80211_TX_RC_DUP_DATA)
+ txc->phy_control |= cpu_to_le32(AR9170_TX_PHY_BW_40MHZ_DUP);
+
+ if (txrate->flags & IEEE80211_TX_RC_SHORT_GI)
+ txc->phy_control |= cpu_to_le32(AR9170_TX_PHY_SHORT_GI);
+
+ if (txrate->flags & IEEE80211_TX_RC_MCS) {
+ u32 r = txrate->idx;
+ u8 *txpower;
+
+ r <<= AR9170_TX_PHY_MCS_SHIFT;
+ if (WARN_ON(r & ~AR9170_TX_PHY_MCS_MASK))
+ goto err_dequeue;
+ txc->phy_control |= cpu_to_le32(r & AR9170_TX_PHY_MCS_MASK);
+ txc->phy_control |= cpu_to_le32(AR9170_TX_PHY_MOD_HT);
+
+ if (txrate->flags & IEEE80211_TX_RC_40_MHZ_WIDTH) {
+ if (info->band == IEEE80211_BAND_5GHZ)
+ txpower = ar->power_5G_ht40;
+ else
+ txpower = ar->power_2G_ht40;
+ } else {
+ if (info->band == IEEE80211_BAND_5GHZ)
+ txpower = ar->power_5G_ht20;
+ else
+ txpower = ar->power_2G_ht20;
+ }
+
+ power = txpower[(txrate->idx) & 7];
+ } else {
+ u8 *txpower;
+ u32 mod;
+ u32 phyrate;
+ u8 idx = txrate->idx;
+
+ if (info->band != IEEE80211_BAND_2GHZ) {
+ idx += 4;
+ txpower = ar->power_5G_leg;
+ mod = AR9170_TX_PHY_MOD_OFDM;
+ } else {
+ if (idx < 4) {
+ txpower = ar->power_2G_cck;
+ mod = AR9170_TX_PHY_MOD_CCK;
+ } else {
+ mod = AR9170_TX_PHY_MOD_OFDM;
+ txpower = ar->power_2G_ofdm;
+ }
+ }
+
+ rate = &__ar9170_ratetable[idx];
+
+ phyrate = rate->hw_value & 0xF;
+ power = txpower[(rate->hw_value & 0x30) >> 4];
+ phyrate <<= AR9170_TX_PHY_MCS_SHIFT;
+
+ txc->phy_control |= cpu_to_le32(mod);
+ txc->phy_control |= cpu_to_le32(phyrate);
+ }
+
+ power <<= AR9170_TX_PHY_TX_PWR_SHIFT;
+ power &= AR9170_TX_PHY_TX_PWR_MASK;
+ txc->phy_control |= cpu_to_le32(power);
+
+ /* set TX chains */
+ if (ar->eeprom.tx_mask == 1) {
+ chains = AR9170_TX_PHY_TXCHAIN_1;
+ } else {
+ chains = AR9170_TX_PHY_TXCHAIN_2;
+
+ /* >= 36M legacy OFDM - use only one chain */
+ if (rate && rate->bitrate >= 360)
+ chains = AR9170_TX_PHY_TXCHAIN_1;
+ }
+ txc->phy_control |= cpu_to_le32(chains << AR9170_TX_PHY_TXCHAIN_SHIFT);
+
+ if (tx_status) {
+ txc->mac_control |= cpu_to_le16(AR9170_TX_MAC_RATE_PROBE);
+ /*
+ * WARNING:
+ * Putting the QoS queue bits into an unexplored territory is
+ * certainly not elegant.
+ *
+ * In my defense: This idea provides a reasonable way to
+ * smuggle valuable information to the tx_status callback.
+ * Also, the idea behind this bit-abuse came straight from
+ * the original driver code.
+ */
+
+ txc->phy_control |=
+ cpu_to_le32(queue << AR9170_TX_PHY_QOS_SHIFT);
+
+ if (info->control.sta) {
+ sta_info = (void *) info->control.sta->drv_priv;
+ skb_queue_tail(&sta_info->tx_status[queue], skb);
+ } else {
+ skb_queue_tail(&ar->global_tx_status, skb);
+
+ queue_delayed_work(ar->hw->workqueue,
+ &ar->tx_status_janitor,
+ msecs_to_jiffies(100));
+ }
+ }
+
+ err = ar->tx(ar, skb, tx_status, 0);
+ if (unlikely(tx_status && err)) {
+ if (info->control.sta)
+ skb_unlink(skb, &sta_info->tx_status[queue]);
+ else
+ skb_unlink(skb, &ar->global_tx_status);
+ }
+
+ return NETDEV_TX_OK;
+
+err_dequeue:
+ spin_lock_irqsave(&ar->tx_stats_lock, flags);
+ ar->tx_stats[queue].len--;
+ ar->tx_stats[queue].count--;
+ spin_unlock_irqrestore(&ar->tx_stats_lock, flags);
+
+err_free:
+ dev_kfree_skb(skb);
+ return NETDEV_TX_OK;
+}
+
+static int ar9170_op_add_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf)
+{
+ struct ar9170 *ar = hw->priv;
+ int err = 0;
+
+ mutex_lock(&ar->mutex);
+
+ if (ar->vif) {
+ err = -EBUSY;
+ goto unlock;
+ }
+
+ ar->vif = conf->vif;
+ memcpy(ar->mac_addr, conf->mac_addr, ETH_ALEN);
+
+ if (modparam_nohwcrypt || (ar->vif->type != NL80211_IFTYPE_STATION)) {
+ ar->rx_software_decryption = true;
+ ar->disable_offload = true;
+ }
+
+ ar->cur_filter = 0;
+ ar->want_filter = AR9170_MAC_REG_FTF_DEFAULTS;
+ err = ar9170_update_frame_filter(ar);
+ if (err)
+ goto unlock;
+
+ err = ar9170_set_operating_mode(ar);
+
+unlock:
+ mutex_unlock(&ar->mutex);
+ return err;
+}
+
+static void ar9170_op_remove_interface(struct ieee80211_hw *hw,
+ struct ieee80211_if_init_conf *conf)
+{
+ struct ar9170 *ar = hw->priv;
+
+ mutex_lock(&ar->mutex);
+ ar->vif = NULL;
+ ar->want_filter = 0;
+ ar9170_update_frame_filter(ar);
+ ar9170_set_beacon_timers(ar);
+ dev_kfree_skb(ar->beacon);
+ ar->beacon = NULL;
+ ar->sniffer_enabled = false;
+ ar->rx_software_decryption = false;
+ ar9170_set_operating_mode(ar);
+ mutex_unlock(&ar->mutex);
+}
+
+static int ar9170_op_config(struct ieee80211_hw *hw, u32 changed)
+{
+ struct ar9170 *ar = hw->priv;
+ int err = 0;
+
+ mutex_lock(&ar->mutex);
+
+ if (changed & IEEE80211_CONF_CHANGE_RADIO_ENABLED) {
+ /* TODO */
+ err = 0;
+ }
+
+ if (changed & IEEE80211_CONF_CHANGE_LISTEN_INTERVAL) {
+ /* TODO */
+ err = 0;
+ }
+
+ if (changed & IEEE80211_CONF_CHANGE_PS) {
+ /* TODO */
+ err = 0;
+ }
+
+ if (changed & IEEE80211_CONF_CHANGE_POWER) {
+ /* TODO */
+ err = 0;
+ }
+
+ if (changed & IEEE80211_CONF_CHANGE_RETRY_LIMITS) {
+ /*
+ * is it long_frame_max_tx_count or short_frame_max_tx_count?
+ */
+
+ err = ar9170_set_hwretry_limit(ar,
+ ar->hw->conf.long_frame_max_tx_count);
+ if (err)
+ goto out;
+ }
+
+ if (changed & IEEE80211_CONF_CHANGE_BEACON_INTERVAL) {
+ err = ar9170_set_beacon_timers(ar);
+ if (err)
+ goto out;
+ }
+
+ if (changed & IEEE80211_CONF_CHANGE_CHANNEL) {
+ err = ar9170_set_channel(ar, hw->conf.channel,
+ AR9170_RFI_NONE, AR9170_BW_20);
+ if (err)
+ goto out;
+ /* adjust slot time for 5 GHz */
+ if (hw->conf.channel->band == IEEE80211_BAND_5GHZ)
+ err = ar9170_write_reg(ar, AR9170_MAC_REG_SLOT_TIME,
+ 9 << 10);
+ }
+
+out:
+ mutex_unlock(&ar->mutex);
+ return err;
+}
+
+static int ar9170_op_config_interface(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_if_conf *conf)
+{
+ struct ar9170 *ar = hw->priv;
+ int err = 0;
+
+ mutex_lock(&ar->mutex);
+
+ if (conf->changed & IEEE80211_IFCC_BSSID) {
+ memcpy(ar->bssid, conf->bssid, ETH_ALEN);
+ err = ar9170_set_operating_mode(ar);
+ }
+
+ if (conf->changed & IEEE80211_IFCC_BEACON) {
+ err = ar9170_update_beacon(ar);
+
+ if (err)
+ goto out;
+ err = ar9170_set_beacon_timers(ar);
+ }
+
+out:
+ mutex_unlock(&ar->mutex);
+ return err;
+}
+
+static void ar9170_set_filters(struct work_struct *work)
+{
+ struct ar9170 *ar = container_of(work, struct ar9170,
+ filter_config_work);
+ int err;
+
+ mutex_lock(&ar->mutex);
+ if (unlikely(!IS_STARTED(ar)))
+ goto unlock;
+
+ if (ar->filter_changed & AR9170_FILTER_CHANGED_PROMISC) {
+ err = ar9170_set_operating_mode(ar);
+ if (err)
+ goto unlock;
+ }
+
+ if (ar->filter_changed & AR9170_FILTER_CHANGED_MULTICAST) {
+ err = ar9170_update_multicast(ar);
+ if (err)
+ goto unlock;
+ }
+
+ if (ar->filter_changed & AR9170_FILTER_CHANGED_FRAMEFILTER)
+ err = ar9170_update_frame_filter(ar);
+
+unlock:
+ mutex_unlock(&ar->mutex);
+}
+
+static void ar9170_op_configure_filter(struct ieee80211_hw *hw,
+ unsigned int changed_flags,
+ unsigned int *new_flags,
+ int mc_count, struct dev_mc_list *mclist)
+{
+ struct ar9170 *ar = hw->priv;
+
+ /* mask supported flags */
+ *new_flags &= FIF_ALLMULTI | FIF_CONTROL | FIF_BCN_PRBRESP_PROMISC |
+ FIF_PROMISC_IN_BSS;
+
+ /*
+ * We can support more by setting the sniffer bit and
+ * then checking the error flags, later.
+ */
+
+ if (changed_flags & FIF_ALLMULTI) {
+ if (*new_flags & FIF_ALLMULTI) {
+ ar->want_mc_hash = ~0ULL;
+ } else {
+ u64 mchash;
+ int i;
+
+ /* always get broadcast frames */
+ mchash = 1ULL << (0xff>>2);
+
+ for (i = 0; i < mc_count; i++) {
+ if (WARN_ON(!mclist))
+ break;
+ mchash |= 1ULL << (mclist->dmi_addr[5] >> 2);
+ mclist = mclist->next;
+ }
+ ar->want_mc_hash = mchash;
+ }
+ ar->filter_changed |= AR9170_FILTER_CHANGED_MULTICAST;
+ }
+
+ if (changed_flags & FIF_CONTROL) {
+ u32 filter = AR9170_MAC_REG_FTF_PSPOLL |
+ AR9170_MAC_REG_FTF_RTS |
+ AR9170_MAC_REG_FTF_CTS |
+ AR9170_MAC_REG_FTF_ACK |
+ AR9170_MAC_REG_FTF_CFE |
+ AR9170_MAC_REG_FTF_CFE_ACK;
+
+ if (*new_flags & FIF_CONTROL)
+ ar->want_filter = ar->cur_filter | filter;
+ else
+ ar->want_filter = ar->cur_filter & ~filter;
+
+ ar->filter_changed |= AR9170_FILTER_CHANGED_FRAMEFILTER;
+ }
+
+ if (changed_flags & FIF_PROMISC_IN_BSS) {
+ ar->sniffer_enabled = ((*new_flags) & FIF_PROMISC_IN_BSS) != 0;
+ ar->filter_changed |= AR9170_FILTER_CHANGED_PROMISC;
+ }
+
+ if (likely(IS_STARTED(ar)))
+ queue_work(ar->hw->workqueue, &ar->filter_config_work);
+}
+
+static void ar9170_op_bss_info_changed(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ struct ieee80211_bss_conf *bss_conf,
+ u32 changed)
+{
+ struct ar9170 *ar = hw->priv;
+ int err = 0;
+
+ mutex_lock(&ar->mutex);
+
+ ar9170_regwrite_begin(ar);
+
+ if (changed & BSS_CHANGED_ASSOC) {
+ ar->state = bss_conf->assoc ? AR9170_ASSOCIATED : ar->state;
+
+#ifndef CONFIG_AR9170_LEDS
+ /* enable assoc LED. */
+ err = ar9170_set_leds_state(ar, bss_conf->assoc ? 2 : 0);
+#endif /* CONFIG_AR9170_LEDS */
+ }
+
+ if (changed & BSS_CHANGED_HT) {
+ /* TODO */
+ err = 0;
+ }
+
+ if (changed & BSS_CHANGED_ERP_SLOT) {
+ u32 slottime = 20;
+
+ if (bss_conf->use_short_slot)
+ slottime = 9;
+
+ ar9170_regwrite(AR9170_MAC_REG_SLOT_TIME, slottime << 10);
+ }
+
+ if (changed & BSS_CHANGED_BASIC_RATES) {
+ u32 cck, ofdm;
+
+ if (hw->conf.channel->band == IEEE80211_BAND_5GHZ) {
+ ofdm = bss_conf->basic_rates;
+ cck = 0;
+ } else {
+ /* four cck rates */
+ cck = bss_conf->basic_rates & 0xf;
+ ofdm = bss_conf->basic_rates >> 4;
+ }
+ ar9170_regwrite(AR9170_MAC_REG_BASIC_RATE,
+ ofdm << 8 | cck);
+ }
+
+ ar9170_regwrite_finish();
+ err = ar9170_regwrite_result();
+ mutex_unlock(&ar->mutex);
+}
+
+static u64 ar9170_op_get_tsf(struct ieee80211_hw *hw)
+{
+ struct ar9170 *ar = hw->priv;
+ int err;
+ u32 tsf_low;
+ u32 tsf_high;
+ u64 tsf;
+
+ mutex_lock(&ar->mutex);
+ err = ar9170_read_reg(ar, AR9170_MAC_REG_TSF_L, &tsf_low);
+ if (!err)
+ err = ar9170_read_reg(ar, AR9170_MAC_REG_TSF_H, &tsf_high);
+ mutex_unlock(&ar->mutex);
+
+ if (WARN_ON(err))
+ return 0;
+
+ tsf = tsf_high;
+ tsf = (tsf << 32) | tsf_low;
+ return tsf;
+}
+
+static int ar9170_set_key(struct ieee80211_hw *hw, enum set_key_cmd cmd,
+ struct ieee80211_vif *vif, struct ieee80211_sta *sta,
+ struct ieee80211_key_conf *key)
+{
+ struct ar9170 *ar = hw->priv;
+ int err = 0, i;
+ u8 ktype;
+
+ if ((!ar->vif) || (ar->disable_offload))
+ return -EOPNOTSUPP;
+
+ switch (key->alg) {
+ case ALG_WEP:
+ if (key->keylen == LEN_WEP40)
+ ktype = AR9170_ENC_ALG_WEP64;
+ else
+ ktype = AR9170_ENC_ALG_WEP128;
+ break;
+ case ALG_TKIP:
+ ktype = AR9170_ENC_ALG_TKIP;
+ break;
+ case ALG_CCMP:
+ ktype = AR9170_ENC_ALG_AESCCMP;
+ break;
+ default:
+ return -EOPNOTSUPP;
+ }
+
+ mutex_lock(&ar->mutex);
+ if (cmd == SET_KEY) {
+ if (unlikely(!IS_STARTED(ar))) {
+ err = -EOPNOTSUPP;
+ goto out;
+ }
+
+ /* group keys need all-zeroes address */
+ if (!(key->flags & IEEE80211_KEY_FLAG_PAIRWISE))
+ sta = NULL;
+
+ if (key->flags & IEEE80211_KEY_FLAG_PAIRWISE) {
+ for (i = 0; i < 64; i++)
+ if (!(ar->usedkeys & BIT(i)))
+ break;
+ if (i == 64) {
+ ar->rx_software_decryption = true;
+ ar9170_set_operating_mode(ar);
+ err = -ENOSPC;
+ goto out;
+ }
+ } else {
+ i = 64 + key->keyidx;
+ }
+
+ key->hw_key_idx = i;
+
+ err = ar9170_upload_key(ar, i, sta ? sta->addr : NULL, ktype, 0,
+ key->key, min_t(u8, 16, key->keylen));
+ if (err)
+ goto out;
+
+ if (key->alg == ALG_TKIP) {
+ err = ar9170_upload_key(ar, i, sta ? sta->addr : NULL,
+ ktype, 1, key->key + 16, 16);
+ if (err)
+ goto out;
+
+ /*
+ * hardware is not capable generating the MMIC
+ * for fragmented frames!
+ */
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_MMIC;
+ }
+
+ if (i < 64)
+ ar->usedkeys |= BIT(i);
+
+ key->flags |= IEEE80211_KEY_FLAG_GENERATE_IV;
+ } else {
+ if (unlikely(!IS_STARTED(ar))) {
+ /* The device is gone... together with the key ;-) */
+ err = 0;
+ goto out;
+ }
+
+ err = ar9170_disable_key(ar, key->hw_key_idx);
+ if (err)
+ goto out;
+
+ if (key->hw_key_idx < 64) {
+ ar->usedkeys &= ~BIT(key->hw_key_idx);
+ } else {
+ err = ar9170_upload_key(ar, key->hw_key_idx, NULL,
+ AR9170_ENC_ALG_NONE, 0,
+ NULL, 0);
+ if (err)
+ goto out;
+
+ if (key->alg == ALG_TKIP) {
+ err = ar9170_upload_key(ar, key->hw_key_idx,
+ NULL,
+ AR9170_ENC_ALG_NONE, 1,
+ NULL, 0);
+ if (err)
+ goto out;
+ }
+
+ }
+ }
+
+ ar9170_regwrite_begin(ar);
+ ar9170_regwrite(AR9170_MAC_REG_ROLL_CALL_TBL_L, ar->usedkeys);
+ ar9170_regwrite(AR9170_MAC_REG_ROLL_CALL_TBL_H, ar->usedkeys >> 32);
+ ar9170_regwrite_finish();
+ err = ar9170_regwrite_result();
+
+out:
+ mutex_unlock(&ar->mutex);
+
+ return err;
+}
+
+static void ar9170_sta_notify(struct ieee80211_hw *hw,
+ struct ieee80211_vif *vif,
+ enum sta_notify_cmd cmd,
+ struct ieee80211_sta *sta)
+{
+ struct ar9170 *ar = hw->priv;
+ struct ar9170_sta_info *info = (void *) sta->drv_priv;
+ struct sk_buff *skb;
+ unsigned int i;
+
+ switch (cmd) {
+ case STA_NOTIFY_ADD:
+ for (i = 0; i < ar->hw->queues; i++)
+ skb_queue_head_init(&info->tx_status[i]);
+ break;
+
+ case STA_NOTIFY_REMOVE:
+
+ /*
+ * transfer all outstanding frames that need a tx_status
+ * reports to the global tx_status queue
+ */
+
+ for (i = 0; i < ar->hw->queues; i++) {
+ while ((skb = skb_dequeue(&info->tx_status[i]))) {
+#ifdef AR9170_QUEUE_DEBUG
+ printk(KERN_DEBUG "%s: queueing frame in "
+ "global tx_status queue =>\n",
+ wiphy_name(ar->hw->wiphy));
+
+ ar9170_print_txheader(ar, skb);
+#endif /* AR9170_QUEUE_DEBUG */
+ skb_queue_tail(&ar->global_tx_status, skb);
+ }
+ }
+ queue_delayed_work(ar->hw->workqueue, &ar->tx_status_janitor,
+ msecs_to_jiffies(100));
+ break;
+
+ default:
+ break;
+ }
+}
+
+static int ar9170_get_stats(struct ieee80211_hw *hw,
+ struct ieee80211_low_level_stats *stats)
+{
+ struct ar9170 *ar = hw->priv;
+ u32 val;
+ int err;
+
+ mutex_lock(&ar->mutex);
+ err = ar9170_read_reg(ar, AR9170_MAC_REG_TX_RETRY, &val);
+ ar->stats.dot11ACKFailureCount += val;
+
+ memcpy(stats, &ar->stats, sizeof(*stats));
+ mutex_unlock(&ar->mutex);
+
+ return 0;
+}
+
+static int ar9170_get_tx_stats(struct ieee80211_hw *hw,
+ struct ieee80211_tx_queue_stats *tx_stats)
+{
+ struct ar9170 *ar = hw->priv;
+
+ spin_lock_bh(&ar->tx_stats_lock);
+ memcpy(tx_stats, ar->tx_stats, sizeof(tx_stats[0]) * hw->queues);
+ spin_unlock_bh(&ar->tx_stats_lock);
+
+ return 0;
+}
+
+static int ar9170_conf_tx(struct ieee80211_hw *hw, u16 queue,
+ const struct ieee80211_tx_queue_params *param)
+{
+ struct ar9170 *ar = hw->priv;
+ int ret;
+
+ mutex_lock(&ar->mutex);
+ if ((param) && !(queue > ar->hw->queues)) {
+ memcpy(&ar->edcf[ar9170_qos_hwmap[queue]],
+ param, sizeof(*param));
+
+ ret = ar9170_set_qos(ar);
+ } else
+ ret = -EINVAL;
+
+ mutex_unlock(&ar->mutex);
+ return ret;
+}
+
+static const struct ieee80211_ops ar9170_ops = {
+ .start = ar9170_op_start,
+ .stop = ar9170_op_stop,
+ .tx = ar9170_op_tx,
+ .add_interface = ar9170_op_add_interface,
+ .remove_interface = ar9170_op_remove_interface,
+ .config = ar9170_op_config,
+ .config_interface = ar9170_op_config_interface,
+ .configure_filter = ar9170_op_configure_filter,
+ .conf_tx = ar9170_conf_tx,
+ .bss_info_changed = ar9170_op_bss_info_changed,
+ .get_tsf = ar9170_op_get_tsf,
+ .set_key = ar9170_set_key,
+ .sta_notify = ar9170_sta_notify,
+ .get_stats = ar9170_get_stats,
+ .get_tx_stats = ar9170_get_tx_stats,
+};
+
+void *ar9170_alloc(size_t priv_size)
+{
+ struct ieee80211_hw *hw;
+ struct ar9170 *ar;
+ int i;
+
+ hw = ieee80211_alloc_hw(priv_size, &ar9170_ops);
+ if (!hw)
+ return ERR_PTR(-ENOMEM);
+
+ ar = hw->priv;
+ ar->hw = hw;
+
+ mutex_init(&ar->mutex);
+ spin_lock_init(&ar->cmdlock);
+ spin_lock_init(&ar->tx_stats_lock);
+ skb_queue_head_init(&ar->global_tx_status);
+ skb_queue_head_init(&ar->global_tx_status_waste);
+ INIT_WORK(&ar->filter_config_work, ar9170_set_filters);
+ INIT_WORK(&ar->beacon_work, ar9170_new_beacon);
+ INIT_DELAYED_WORK(&ar->tx_status_janitor, ar9170_tx_status_janitor);
+
+ /* all hw supports 2.4 GHz, so set channel to 1 by default */
+ ar->channel = &ar9170_2ghz_chantable[0];
+
+ /* first part of wiphy init */
+ ar->hw->wiphy->interface_modes = BIT(NL80211_IFTYPE_STATION) |
+ BIT(NL80211_IFTYPE_WDS) |
+ BIT(NL80211_IFTYPE_ADHOC);
+ ar->hw->flags |= IEEE80211_HW_RX_INCLUDES_FCS |
+ IEEE80211_HW_HOST_BROADCAST_PS_BUFFERING |
+ IEEE80211_HW_SIGNAL_DBM |
+ IEEE80211_HW_NOISE_DBM;
+
+ ar->hw->queues = __AR9170_NUM_TXQ;
+ ar->hw->extra_tx_headroom = 8;
+ ar->hw->sta_data_size = sizeof(struct ar9170_sta_info);
+
+ ar->hw->max_rates = 1;
+ ar->hw->max_rate_tries = 3;
+
+ for (i = 0; i < ARRAY_SIZE(ar->noise); i++)
+ ar->noise[i] = -95; /* ATH_DEFAULT_NOISE_FLOOR */
+
+ return ar;
+}
+
+static int ar9170_read_eeprom(struct ar9170 *ar)
+{
+#define RW 8 /* number of words to read at once */
+#define RB (sizeof(u32) * RW)
+ DECLARE_MAC_BUF(mbuf);
+ u8 *eeprom = (void *)&ar->eeprom;
+ u8 *addr = ar->eeprom.mac_address;
+ __le32 offsets[RW];
+ int i, j, err, bands = 0;
+
+ BUILD_BUG_ON(sizeof(ar->eeprom) & 3);
+
+ BUILD_BUG_ON(RB > AR9170_MAX_CMD_LEN - 4);
+#ifndef __CHECKER__
+ /* don't want to handle trailing remains */
+ BUILD_BUG_ON(sizeof(ar->eeprom) % RB);
+#endif
+
+ for (i = 0; i < sizeof(ar->eeprom)/RB; i++) {
+ for (j = 0; j < RW; j++)
+ offsets[j] = cpu_to_le32(AR9170_EEPROM_START +
+ RB * i + 4 * j);
+
+ err = ar->exec_cmd(ar, AR9170_CMD_RREG,
+ RB, (u8 *) &offsets,
+ RB, eeprom + RB * i);
+ if (err)
+ return err;
+ }
+
+#undef RW
+#undef RB
+
+ if (ar->eeprom.length == cpu_to_le16(0xFFFF))
+ return -ENODATA;
+
+ if (ar->eeprom.operating_flags & AR9170_OPFLAG_2GHZ) {
+ ar->hw->wiphy->bands[IEEE80211_BAND_2GHZ] = &ar9170_band_2GHz;
+ bands++;
+ }
+ if (ar->eeprom.operating_flags & AR9170_OPFLAG_5GHZ) {
+ ar->hw->wiphy->bands[IEEE80211_BAND_5GHZ] = &ar9170_band_5GHz;
+ bands++;
+ }
+ /*
+ * I measured this, a bandswitch takes roughly
+ * 135 ms and a frequency switch about 80.
+ *
+ * FIXME: measure these values again once EEPROM settings
+ * are used, that will influence them!
+ */
+ if (bands == 2)
+ ar->hw->channel_change_time = 135 * 1000;
+ else
+ ar->hw->channel_change_time = 80 * 1000;
+
+ /* second part of wiphy init */
+ SET_IEEE80211_PERM_ADDR(ar->hw, addr);
+
+ return bands ? 0 : -EINVAL;
+}
+
+int ar9170_register(struct ar9170 *ar, struct device *pdev)
+{
+ int err;
+
+ /* try to read EEPROM, init MAC addr */
+ err = ar9170_read_eeprom(ar);
+ if (err)
+ goto err_out;
+
+ err = ieee80211_register_hw(ar->hw);
+ if (err)
+ goto err_out;
+
+ err = ar9170_init_leds(ar);
+ if (err)
+ goto err_unreg;
+
+#ifdef CONFIG_AR9170_LEDS
+ err = ar9170_register_leds(ar);
+ if (err)
+ goto err_unreg;
+#endif /* CONFIG_AR9170_LEDS */
+
+ dev_info(pdev, "Atheros AR9170 is registered as '%s'\n",
+ wiphy_name(ar->hw->wiphy));
+
+ return err;
+
+err_unreg:
+ ieee80211_unregister_hw(ar->hw);
+
+err_out:
+ return err;
+}
+
+void ar9170_unregister(struct ar9170 *ar)
+{
+#ifdef CONFIG_AR9170_LEDS
+ ar9170_unregister_leds(ar);
+#endif /* CONFIG_AR9170_LEDS */
+
+ ieee80211_unregister_hw(ar->hw);
+ mutex_destroy(&ar->mutex);
+}
diff --git a/drivers/net/wireless/ar9170/phy.c b/drivers/net/wireless/ar9170/phy.c
new file mode 100644
index 00000000000..6ce20754b8e
--- /dev/null
+++ b/drivers/net/wireless/ar9170/phy.c
@@ -0,0 +1,1240 @@
+/*
+ * Atheros AR9170 driver
+ *
+ * PHY and RF code
+ *
+ * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, see
+ * http://www.gnu.org/licenses/.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ * Copyright (c) 2007-2008 Atheros Communications, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/bitrev.h>
+#include "ar9170.h"
+#include "cmd.h"
+
+static int ar9170_init_power_cal(struct ar9170 *ar)
+{
+ ar9170_regwrite_begin(ar);
+
+ ar9170_regwrite(0x1bc000 + 0x993c, 0x7f);
+ ar9170_regwrite(0x1bc000 + 0x9934, 0x3f3f3f3f);
+ ar9170_regwrite(0x1bc000 + 0x9938, 0x3f3f3f3f);
+ ar9170_regwrite(0x1bc000 + 0xa234, 0x3f3f3f3f);
+ ar9170_regwrite(0x1bc000 + 0xa238, 0x3f3f3f3f);
+ ar9170_regwrite(0x1bc000 + 0xa38c, 0x3f3f3f3f);
+ ar9170_regwrite(0x1bc000 + 0xa390, 0x3f3f3f3f);
+ ar9170_regwrite(0x1bc000 + 0xa3cc, 0x3f3f3f3f);
+ ar9170_regwrite(0x1bc000 + 0xa3d0, 0x3f3f3f3f);
+ ar9170_regwrite(0x1bc000 + 0xa3d4, 0x3f3f3f3f);
+
+ ar9170_regwrite_finish();
+ return ar9170_regwrite_result();
+}
+
+struct ar9170_phy_init {
+ u32 reg, _5ghz_20, _5ghz_40, _2ghz_40, _2ghz_20;
+};
+
+static struct ar9170_phy_init ar5416_phy_init[] = {
+ { 0x1c5800, 0x00000007, 0x00000007, 0x00000007, 0x00000007, },
+ { 0x1c5804, 0x00000300, 0x000003c4, 0x000003c4, 0x00000300, },
+ { 0x1c5808, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c580c, 0xad848e19, 0xad848e19, 0xad848e19, 0xad848e19, },
+ { 0x1c5810, 0x7d14e000, 0x7d14e000, 0x7d14e000, 0x7d14e000, },
+ { 0x1c5814, 0x9c0a9f6b, 0x9c0a9f6b, 0x9c0a9f6b, 0x9c0a9f6b, },
+ { 0x1c5818, 0x00000090, 0x00000090, 0x00000090, 0x00000090, },
+ { 0x1c581c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5820, 0x02020200, 0x02020200, 0x02020200, 0x02020200, },
+ { 0x1c5824, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e, },
+ { 0x1c5828, 0x0a020001, 0x0a020001, 0x0a020001, 0x0a020001, },
+ { 0x1c582c, 0x0000a000, 0x0000a000, 0x0000a000, 0x0000a000, },
+ { 0x1c5830, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5834, 0x00000e0e, 0x00000e0e, 0x00000e0e, 0x00000e0e, },
+ { 0x1c5838, 0x00000007, 0x00000007, 0x00000007, 0x00000007, },
+ { 0x1c583c, 0x00200400, 0x00200400, 0x00200400, 0x00200400, },
+ { 0x1c5840, 0x206a002e, 0x206a002e, 0x206a002e, 0x206a002e, },
+ { 0x1c5844, 0x1372161e, 0x13721c1e, 0x13721c24, 0x137216a4, },
+ { 0x1c5848, 0x001a6a65, 0x001a6a65, 0x00197a68, 0x00197a68, },
+ { 0x1c584c, 0x1284233c, 0x1284233c, 0x1284233c, 0x1284233c, },
+ { 0x1c5850, 0x6c48b4e4, 0x6c48b4e4, 0x6c48b0e4, 0x6c48b0e4, },
+ { 0x1c5854, 0x00000859, 0x00000859, 0x00000859, 0x00000859, },
+ { 0x1c5858, 0x7ec80d2e, 0x7ec80d2e, 0x7ec80d2e, 0x7ec80d2e, },
+ { 0x1c585c, 0x31395c5e, 0x31395c5e, 0x31395c5e, 0x31395c5e, },
+ { 0x1c5860, 0x0004dd10, 0x0004dd10, 0x0004dd20, 0x0004dd20, },
+ { 0x1c5868, 0x409a4190, 0x409a4190, 0x409a4190, 0x409a4190, },
+ { 0x1c586c, 0x050cb081, 0x050cb081, 0x050cb081, 0x050cb081, },
+ { 0x1c5900, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5904, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5908, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c590c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5914, 0x000007d0, 0x000007d0, 0x00000898, 0x00000898, },
+ { 0x1c5918, 0x00000118, 0x00000230, 0x00000268, 0x00000134, },
+ { 0x1c591c, 0x10000fff, 0x10000fff, 0x10000fff, 0x10000fff, },
+ { 0x1c5920, 0x0510081c, 0x0510081c, 0x0510001c, 0x0510001c, },
+ { 0x1c5924, 0xd0058a15, 0xd0058a15, 0xd0058a15, 0xd0058a15, },
+ { 0x1c5928, 0x00000001, 0x00000001, 0x00000001, 0x00000001, },
+ { 0x1c592c, 0x00000004, 0x00000004, 0x00000004, 0x00000004, },
+ { 0x1c5934, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, },
+ { 0x1c5938, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, },
+ { 0x1c593c, 0x0000007f, 0x0000007f, 0x0000007f, 0x0000007f, },
+ { 0x1c5944, 0xdfb81020, 0xdfb81020, 0xdfb81020, 0xdfb81020, },
+ { 0x1c5948, 0x9280b212, 0x9280b212, 0x9280b212, 0x9280b212, },
+ { 0x1c594c, 0x00020028, 0x00020028, 0x00020028, 0x00020028, },
+ { 0x1c5954, 0x5d50e188, 0x5d50e188, 0x5d50e188, 0x5d50e188, },
+ { 0x1c5958, 0x00081fff, 0x00081fff, 0x00081fff, 0x00081fff, },
+ { 0x1c5960, 0x00009b40, 0x00009b40, 0x00009b40, 0x00009b40, },
+ { 0x1c5964, 0x00001120, 0x00001120, 0x00001120, 0x00001120, },
+ { 0x1c5970, 0x190fb515, 0x190fb515, 0x190fb515, 0x190fb515, },
+ { 0x1c5974, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5978, 0x00000001, 0x00000001, 0x00000001, 0x00000001, },
+ { 0x1c597c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5980, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5984, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5988, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c598c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5990, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5994, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5998, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c599c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c59a0, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c59a4, 0x00000007, 0x00000007, 0x00000007, 0x00000007, },
+ { 0x1c59a8, 0x001fff00, 0x001fff00, 0x001fff00, 0x001fff00, },
+ { 0x1c59ac, 0x006f00c4, 0x006f00c4, 0x006f00c4, 0x006f00c4, },
+ { 0x1c59b0, 0x03051000, 0x03051000, 0x03051000, 0x03051000, },
+ { 0x1c59b4, 0x00000820, 0x00000820, 0x00000820, 0x00000820, },
+ { 0x1c59c0, 0x038919be, 0x038919be, 0x038919be, 0x038919be, },
+ { 0x1c59c4, 0x06336f77, 0x06336f77, 0x06336f77, 0x06336f77, },
+ { 0x1c59c8, 0x60f6532c, 0x60f6532c, 0x60f6532c, 0x60f6532c, },
+ { 0x1c59cc, 0x08f186c8, 0x08f186c8, 0x08f186c8, 0x08f186c8, },
+ { 0x1c59d0, 0x00046384, 0x00046384, 0x00046384, 0x00046384, },
+ { 0x1c59d4, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c59d8, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c59dc, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c59e0, 0x00000200, 0x00000200, 0x00000200, 0x00000200, },
+ { 0x1c59e4, 0x64646464, 0x64646464, 0x64646464, 0x64646464, },
+ { 0x1c59e8, 0x3c787878, 0x3c787878, 0x3c787878, 0x3c787878, },
+ { 0x1c59ec, 0x000000aa, 0x000000aa, 0x000000aa, 0x000000aa, },
+ { 0x1c59f0, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c59fc, 0x00001042, 0x00001042, 0x00001042, 0x00001042, },
+ { 0x1c5a00, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5a04, 0x00000040, 0x00000040, 0x00000040, 0x00000040, },
+ { 0x1c5a08, 0x00000080, 0x00000080, 0x00000080, 0x00000080, },
+ { 0x1c5a0c, 0x000001a1, 0x000001a1, 0x00000141, 0x00000141, },
+ { 0x1c5a10, 0x000001e1, 0x000001e1, 0x00000181, 0x00000181, },
+ { 0x1c5a14, 0x00000021, 0x00000021, 0x000001c1, 0x000001c1, },
+ { 0x1c5a18, 0x00000061, 0x00000061, 0x00000001, 0x00000001, },
+ { 0x1c5a1c, 0x00000168, 0x00000168, 0x00000041, 0x00000041, },
+ { 0x1c5a20, 0x000001a8, 0x000001a8, 0x000001a8, 0x000001a8, },
+ { 0x1c5a24, 0x000001e8, 0x000001e8, 0x000001e8, 0x000001e8, },
+ { 0x1c5a28, 0x00000028, 0x00000028, 0x00000028, 0x00000028, },
+ { 0x1c5a2c, 0x00000068, 0x00000068, 0x00000068, 0x00000068, },
+ { 0x1c5a30, 0x00000189, 0x00000189, 0x000000a8, 0x000000a8, },
+ { 0x1c5a34, 0x000001c9, 0x000001c9, 0x00000169, 0x00000169, },
+ { 0x1c5a38, 0x00000009, 0x00000009, 0x000001a9, 0x000001a9, },
+ { 0x1c5a3c, 0x00000049, 0x00000049, 0x000001e9, 0x000001e9, },
+ { 0x1c5a40, 0x00000089, 0x00000089, 0x00000029, 0x00000029, },
+ { 0x1c5a44, 0x00000170, 0x00000170, 0x00000069, 0x00000069, },
+ { 0x1c5a48, 0x000001b0, 0x000001b0, 0x00000190, 0x00000190, },
+ { 0x1c5a4c, 0x000001f0, 0x000001f0, 0x000001d0, 0x000001d0, },
+ { 0x1c5a50, 0x00000030, 0x00000030, 0x00000010, 0x00000010, },
+ { 0x1c5a54, 0x00000070, 0x00000070, 0x00000050, 0x00000050, },
+ { 0x1c5a58, 0x00000191, 0x00000191, 0x00000090, 0x00000090, },
+ { 0x1c5a5c, 0x000001d1, 0x000001d1, 0x00000151, 0x00000151, },
+ { 0x1c5a60, 0x00000011, 0x00000011, 0x00000191, 0x00000191, },
+ { 0x1c5a64, 0x00000051, 0x00000051, 0x000001d1, 0x000001d1, },
+ { 0x1c5a68, 0x00000091, 0x00000091, 0x00000011, 0x00000011, },
+ { 0x1c5a6c, 0x000001b8, 0x000001b8, 0x00000051, 0x00000051, },
+ { 0x1c5a70, 0x000001f8, 0x000001f8, 0x00000198, 0x00000198, },
+ { 0x1c5a74, 0x00000038, 0x00000038, 0x000001d8, 0x000001d8, },
+ { 0x1c5a78, 0x00000078, 0x00000078, 0x00000018, 0x00000018, },
+ { 0x1c5a7c, 0x00000199, 0x00000199, 0x00000058, 0x00000058, },
+ { 0x1c5a80, 0x000001d9, 0x000001d9, 0x00000098, 0x00000098, },
+ { 0x1c5a84, 0x00000019, 0x00000019, 0x00000159, 0x00000159, },
+ { 0x1c5a88, 0x00000059, 0x00000059, 0x00000199, 0x00000199, },
+ { 0x1c5a8c, 0x00000099, 0x00000099, 0x000001d9, 0x000001d9, },
+ { 0x1c5a90, 0x000000d9, 0x000000d9, 0x00000019, 0x00000019, },
+ { 0x1c5a94, 0x000000f9, 0x000000f9, 0x00000059, 0x00000059, },
+ { 0x1c5a98, 0x000000f9, 0x000000f9, 0x00000099, 0x00000099, },
+ { 0x1c5a9c, 0x000000f9, 0x000000f9, 0x000000d9, 0x000000d9, },
+ { 0x1c5aa0, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5aa4, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5aa8, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5aac, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5ab0, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5ab4, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5ab8, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5abc, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5ac0, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5ac4, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5ac8, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5acc, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5ad0, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5ad4, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5ad8, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5adc, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5ae0, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5ae4, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5ae8, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5aec, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5af0, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5af4, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5af8, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5afc, 0x000000f9, 0x000000f9, 0x000000f9, 0x000000f9, },
+ { 0x1c5b00, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5b04, 0x00000001, 0x00000001, 0x00000001, 0x00000001, },
+ { 0x1c5b08, 0x00000002, 0x00000002, 0x00000002, 0x00000002, },
+ { 0x1c5b0c, 0x00000003, 0x00000003, 0x00000003, 0x00000003, },
+ { 0x1c5b10, 0x00000004, 0x00000004, 0x00000004, 0x00000004, },
+ { 0x1c5b14, 0x00000005, 0x00000005, 0x00000005, 0x00000005, },
+ { 0x1c5b18, 0x00000008, 0x00000008, 0x00000008, 0x00000008, },
+ { 0x1c5b1c, 0x00000009, 0x00000009, 0x00000009, 0x00000009, },
+ { 0x1c5b20, 0x0000000a, 0x0000000a, 0x0000000a, 0x0000000a, },
+ { 0x1c5b24, 0x0000000b, 0x0000000b, 0x0000000b, 0x0000000b, },
+ { 0x1c5b28, 0x0000000c, 0x0000000c, 0x0000000c, 0x0000000c, },
+ { 0x1c5b2c, 0x0000000d, 0x0000000d, 0x0000000d, 0x0000000d, },
+ { 0x1c5b30, 0x00000010, 0x00000010, 0x00000010, 0x00000010, },
+ { 0x1c5b34, 0x00000011, 0x00000011, 0x00000011, 0x00000011, },
+ { 0x1c5b38, 0x00000012, 0x00000012, 0x00000012, 0x00000012, },
+ { 0x1c5b3c, 0x00000013, 0x00000013, 0x00000013, 0x00000013, },
+ { 0x1c5b40, 0x00000014, 0x00000014, 0x00000014, 0x00000014, },
+ { 0x1c5b44, 0x00000015, 0x00000015, 0x00000015, 0x00000015, },
+ { 0x1c5b48, 0x00000018, 0x00000018, 0x00000018, 0x00000018, },
+ { 0x1c5b4c, 0x00000019, 0x00000019, 0x00000019, 0x00000019, },
+ { 0x1c5b50, 0x0000001a, 0x0000001a, 0x0000001a, 0x0000001a, },
+ { 0x1c5b54, 0x0000001b, 0x0000001b, 0x0000001b, 0x0000001b, },
+ { 0x1c5b58, 0x0000001c, 0x0000001c, 0x0000001c, 0x0000001c, },
+ { 0x1c5b5c, 0x0000001d, 0x0000001d, 0x0000001d, 0x0000001d, },
+ { 0x1c5b60, 0x00000020, 0x00000020, 0x00000020, 0x00000020, },
+ { 0x1c5b64, 0x00000021, 0x00000021, 0x00000021, 0x00000021, },
+ { 0x1c5b68, 0x00000022, 0x00000022, 0x00000022, 0x00000022, },
+ { 0x1c5b6c, 0x00000023, 0x00000023, 0x00000023, 0x00000023, },
+ { 0x1c5b70, 0x00000024, 0x00000024, 0x00000024, 0x00000024, },
+ { 0x1c5b74, 0x00000025, 0x00000025, 0x00000025, 0x00000025, },
+ { 0x1c5b78, 0x00000028, 0x00000028, 0x00000028, 0x00000028, },
+ { 0x1c5b7c, 0x00000029, 0x00000029, 0x00000029, 0x00000029, },
+ { 0x1c5b80, 0x0000002a, 0x0000002a, 0x0000002a, 0x0000002a, },
+ { 0x1c5b84, 0x0000002b, 0x0000002b, 0x0000002b, 0x0000002b, },
+ { 0x1c5b88, 0x0000002c, 0x0000002c, 0x0000002c, 0x0000002c, },
+ { 0x1c5b8c, 0x0000002d, 0x0000002d, 0x0000002d, 0x0000002d, },
+ { 0x1c5b90, 0x00000030, 0x00000030, 0x00000030, 0x00000030, },
+ { 0x1c5b94, 0x00000031, 0x00000031, 0x00000031, 0x00000031, },
+ { 0x1c5b98, 0x00000032, 0x00000032, 0x00000032, 0x00000032, },
+ { 0x1c5b9c, 0x00000033, 0x00000033, 0x00000033, 0x00000033, },
+ { 0x1c5ba0, 0x00000034, 0x00000034, 0x00000034, 0x00000034, },
+ { 0x1c5ba4, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5ba8, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5bac, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5bb0, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5bb4, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5bb8, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5bbc, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5bc0, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5bc4, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5bc8, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5bcc, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5bd0, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5bd4, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5bd8, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5bdc, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5be0, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5be4, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5be8, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5bec, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5bf0, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5bf4, 0x00000035, 0x00000035, 0x00000035, 0x00000035, },
+ { 0x1c5bf8, 0x00000010, 0x00000010, 0x00000010, 0x00000010, },
+ { 0x1c5bfc, 0x0000001a, 0x0000001a, 0x0000001a, 0x0000001a, },
+ { 0x1c5c00, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5c0c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5c10, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5c14, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5c18, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5c1c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5c20, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5c24, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5c28, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5c2c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5c30, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5c34, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5c38, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5c3c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5cf0, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5cf4, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5cf8, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c5cfc, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c6200, 0x00000008, 0x00000008, 0x0000000e, 0x0000000e, },
+ { 0x1c6204, 0x00000440, 0x00000440, 0x00000440, 0x00000440, },
+ { 0x1c6208, 0xd6be4788, 0xd6be4788, 0xd03e4788, 0xd03e4788, },
+ { 0x1c620c, 0x012e8160, 0x012e8160, 0x012a8160, 0x012a8160, },
+ { 0x1c6210, 0x40806333, 0x40806333, 0x40806333, 0x40806333, },
+ { 0x1c6214, 0x00106c10, 0x00106c10, 0x00106c10, 0x00106c10, },
+ { 0x1c6218, 0x009c4060, 0x009c4060, 0x009c4060, 0x009c4060, },
+ { 0x1c621c, 0x1883800a, 0x1883800a, 0x1883800a, 0x1883800a, },
+ { 0x1c6220, 0x018830c6, 0x018830c6, 0x018830c6, 0x018830c6, },
+ { 0x1c6224, 0x00000400, 0x00000400, 0x00000400, 0x00000400, },
+ { 0x1c6228, 0x000009b5, 0x000009b5, 0x000009b5, 0x000009b5, },
+ { 0x1c622c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c6230, 0x00000108, 0x00000210, 0x00000210, 0x00000108, },
+ { 0x1c6234, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, },
+ { 0x1c6238, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, },
+ { 0x1c623c, 0x13c889af, 0x13c889af, 0x13c889af, 0x13c889af, },
+ { 0x1c6240, 0x38490a20, 0x38490a20, 0x38490a20, 0x38490a20, },
+ { 0x1c6244, 0x00007bb6, 0x00007bb6, 0x00007bb6, 0x00007bb6, },
+ { 0x1c6248, 0x0fff3ffc, 0x0fff3ffc, 0x0fff3ffc, 0x0fff3ffc, },
+ { 0x1c624c, 0x00000001, 0x00000001, 0x00000001, 0x00000001, },
+ { 0x1c6250, 0x0000a000, 0x0000a000, 0x0000a000, 0x0000a000, },
+ { 0x1c6254, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c6258, 0x0cc75380, 0x0cc75380, 0x0cc75380, 0x0cc75380, },
+ { 0x1c625c, 0x0f0f0f01, 0x0f0f0f01, 0x0f0f0f01, 0x0f0f0f01, },
+ { 0x1c6260, 0xdfa91f01, 0xdfa91f01, 0xdfa91f01, 0xdfa91f01, },
+ { 0x1c6264, 0x00418a11, 0x00418a11, 0x00418a11, 0x00418a11, },
+ { 0x1c6268, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c626c, 0x09249126, 0x09249126, 0x09249126, 0x09249126, },
+ { 0x1c6274, 0x0a1a9caa, 0x0a1a9caa, 0x0a1a7caa, 0x0a1a7caa, },
+ { 0x1c6278, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce, },
+ { 0x1c627c, 0x051701ce, 0x051701ce, 0x051701ce, 0x051701ce, },
+ { 0x1c6300, 0x18010000, 0x18010000, 0x18010000, 0x18010000, },
+ { 0x1c6304, 0x30032602, 0x30032602, 0x2e032402, 0x2e032402, },
+ { 0x1c6308, 0x48073e06, 0x48073e06, 0x4a0a3c06, 0x4a0a3c06, },
+ { 0x1c630c, 0x560b4c0a, 0x560b4c0a, 0x621a540b, 0x621a540b, },
+ { 0x1c6310, 0x641a600f, 0x641a600f, 0x764f6c1b, 0x764f6c1b, },
+ { 0x1c6314, 0x7a4f6e1b, 0x7a4f6e1b, 0x845b7a5a, 0x845b7a5a, },
+ { 0x1c6318, 0x8c5b7e5a, 0x8c5b7e5a, 0x950f8ccf, 0x950f8ccf, },
+ { 0x1c631c, 0x9d0f96cf, 0x9d0f96cf, 0xa5cf9b4f, 0xa5cf9b4f, },
+ { 0x1c6320, 0xb51fa69f, 0xb51fa69f, 0xbddfaf1f, 0xbddfaf1f, },
+ { 0x1c6324, 0xcb3fbd07, 0xcb3fbcbf, 0xd1ffc93f, 0xd1ffc93f, },
+ { 0x1c6328, 0x0000d7bf, 0x0000d7bf, 0x00000000, 0x00000000, },
+ { 0x1c632c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c6330, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c6334, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c6338, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c633c, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c6340, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c6344, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c6348, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, },
+ { 0x1c634c, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, },
+ { 0x1c6350, 0x3fffffff, 0x3fffffff, 0x3fffffff, 0x3fffffff, },
+ { 0x1c6354, 0x0003ffff, 0x0003ffff, 0x0003ffff, 0x0003ffff, },
+ { 0x1c6358, 0x79a8aa1f, 0x79a8aa1f, 0x79a8aa1f, 0x79a8aa1f, },
+ { 0x1c6388, 0x08000000, 0x08000000, 0x08000000, 0x08000000, },
+ { 0x1c638c, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, },
+ { 0x1c6390, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, },
+ { 0x1c6394, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce, },
+ { 0x1c6398, 0x000001ce, 0x000001ce, 0x000001ce, 0x000001ce, },
+ { 0x1c639c, 0x00000007, 0x00000007, 0x00000007, 0x00000007, },
+ { 0x1c63a0, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c63a4, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c63a8, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c63ac, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c63b0, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c63b4, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c63b8, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c63bc, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c63c0, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c63c4, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c63c8, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c63cc, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, },
+ { 0x1c63d0, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, },
+ { 0x1c63d4, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, 0x3f3f3f3f, },
+ { 0x1c63d8, 0x00000000, 0x00000000, 0x00000000, 0x00000000, },
+ { 0x1c63dc, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce, 0x1ce739ce, },
+ { 0x1c63e0, 0x000000c0, 0x000000c0, 0x000000c0, 0x000000c0, },
+ { 0x1c6848, 0x00180a65, 0x00180a65, 0x00180a68, 0x00180a68, },
+ { 0x1c6920, 0x0510001c, 0x0510001c, 0x0510001c, 0x0510001c, },
+ { 0x1c6960, 0x00009b40, 0x00009b40, 0x00009b40, 0x00009b40, },
+ { 0x1c720c, 0x012e8160, 0x012e8160, 0x012a8160, 0x012a8160, },
+ { 0x1c726c, 0x09249126, 0x09249126, 0x09249126, 0x09249126, },
+ { 0x1c7848, 0x00180a65, 0x00180a65, 0x00180a68, 0x00180a68, },
+ { 0x1c7920, 0x0510001c, 0x0510001c, 0x0510001c, 0x0510001c, },
+ { 0x1c7960, 0x00009b40, 0x00009b40, 0x00009b40, 0x00009b40, },
+ { 0x1c820c, 0x012e8160, 0x012e8160, 0x012a8160, 0x012a8160, },
+ { 0x1c826c, 0x09249126, 0x09249126, 0x09249126, 0x09249126, },
+/* { 0x1c8864, 0x0001ce00, 0x0001ce00, 0x0001ce00, 0x0001ce00, }, */
+ { 0x1c8864, 0x0001c600, 0x0001c600, 0x0001c600, 0x0001c600, },
+ { 0x1c895c, 0x004b6a8e, 0x004b6a8e, 0x004b6a8e, 0x004b6a8e, },
+ { 0x1c8968, 0x000003ce, 0x000003ce, 0x000003ce, 0x000003ce, },
+ { 0x1c89bc, 0x00181400, 0x00181400, 0x00181400, 0x00181400, },
+ { 0x1c9270, 0x00820820, 0x00820820, 0x00820820, 0x00820820, },
+ { 0x1c935c, 0x066c420f, 0x066c420f, 0x066c420f, 0x066c420f, },
+ { 0x1c9360, 0x0f282207, 0x0f282207, 0x0f282207, 0x0f282207, },
+ { 0x1c9364, 0x17601685, 0x17601685, 0x17601685, 0x17601685, },
+ { 0x1c9368, 0x1f801104, 0x1f801104, 0x1f801104, 0x1f801104, },
+ { 0x1c936c, 0x37a00c03, 0x37a00c03, 0x37a00c03, 0x37a00c03, },
+ { 0x1c9370, 0x3fc40883, 0x3fc40883, 0x3fc40883, 0x3fc40883, },
+ { 0x1c9374, 0x57c00803, 0x57c00803, 0x57c00803, 0x57c00803, },
+ { 0x1c9378, 0x5fd80682, 0x5fd80682, 0x5fd80682, 0x5fd80682, },
+ { 0x1c937c, 0x7fe00482, 0x7fe00482, 0x7fe00482, 0x7fe00482, },
+ { 0x1c9380, 0x7f3c7bba, 0x7f3c7bba, 0x7f3c7bba, 0x7f3c7bba, },
+ { 0x1c9384, 0xf3307ff0, 0xf3307ff0, 0xf3307ff0, 0xf3307ff0, }
+};
+
+int ar9170_init_phy(struct ar9170 *ar, enum ieee80211_band band)
+{
+ int i, err;
+ u32 val;
+ bool is_2ghz = band == IEEE80211_BAND_2GHZ;
+ bool is_40mhz = false; /* XXX: for now */
+
+ ar9170_regwrite_begin(ar);
+
+ for (i = 0; i < ARRAY_SIZE(ar5416_phy_init); i++) {
+ if (is_40mhz) {
+ if (is_2ghz)
+ val = ar5416_phy_init[i]._2ghz_40;
+ else
+ val = ar5416_phy_init[i]._5ghz_40;
+ } else {
+ if (is_2ghz)
+ val = ar5416_phy_init[i]._2ghz_20;
+ else
+ val = ar5416_phy_init[i]._5ghz_20;
+ }
+
+ ar9170_regwrite(ar5416_phy_init[i].reg, val);
+ }
+
+ ar9170_regwrite_finish();
+ err = ar9170_regwrite_result();
+ if (err)
+ return err;
+
+ /* XXX: use EEPROM data here! */
+
+ err = ar9170_init_power_cal(ar);
+ if (err)
+ return err;
+
+ /* XXX: remove magic! */
+ if (is_2ghz)
+ err = ar9170_write_reg(ar, 0x1d4014, 0x5163);
+ else
+ err = ar9170_write_reg(ar, 0x1d4014, 0x5143);
+
+ return err;
+}
+
+struct ar9170_rf_init {
+ u32 reg, _5ghz, _2ghz;
+};
+
+static struct ar9170_rf_init ar9170_rf_init[] = {
+ /* bank 0 */
+ { 0x1c58b0, 0x1e5795e5, 0x1e5795e5},
+ { 0x1c58e0, 0x02008020, 0x02008020},
+ /* bank 1 */
+ { 0x1c58b0, 0x02108421, 0x02108421},
+ { 0x1c58ec, 0x00000008, 0x00000008},
+ /* bank 2 */
+ { 0x1c58b0, 0x0e73ff17, 0x0e73ff17},
+ { 0x1c58e0, 0x00000420, 0x00000420},
+ /* bank 3 */
+ { 0x1c58f0, 0x01400018, 0x01c00018},
+ /* bank 4 */
+ { 0x1c58b0, 0x000001a1, 0x000001a1},
+ { 0x1c58e8, 0x00000001, 0x00000001},
+ /* bank 5 */
+ { 0x1c58b0, 0x00000013, 0x00000013},
+ { 0x1c58e4, 0x00000002, 0x00000002},
+ /* bank 6 */
+ { 0x1c58b0, 0x00000000, 0x00000000},
+ { 0x1c58b0, 0x00000000, 0x00000000},
+ { 0x1c58b0, 0x00000000, 0x00000000},
+ { 0x1c58b0, 0x00000000, 0x00000000},
+ { 0x1c58b0, 0x00000000, 0x00000000},
+ { 0x1c58b0, 0x00004000, 0x00004000},
+ { 0x1c58b0, 0x00006c00, 0x00006c00},
+ { 0x1c58b0, 0x00002c00, 0x00002c00},
+ { 0x1c58b0, 0x00004800, 0x00004800},
+ { 0x1c58b0, 0x00004000, 0x00004000},
+ { 0x1c58b0, 0x00006000, 0x00006000},
+ { 0x1c58b0, 0x00001000, 0x00001000},
+ { 0x1c58b0, 0x00004000, 0x00004000},
+ { 0x1c58b0, 0x00007c00, 0x00007c00},
+ { 0x1c58b0, 0x00007c00, 0x00007c00},
+ { 0x1c58b0, 0x00007c00, 0x00007c00},
+ { 0x1c58b0, 0x00007c00, 0x00007c00},
+ { 0x1c58b0, 0x00007c00, 0x00007c00},
+ { 0x1c58b0, 0x00087c00, 0x00087c00},
+ { 0x1c58b0, 0x00007c00, 0x00007c00},
+ { 0x1c58b0, 0x00005400, 0x00005400},
+ { 0x1c58b0, 0x00000c00, 0x00000c00},
+ { 0x1c58b0, 0x00001800, 0x00001800},
+ { 0x1c58b0, 0x00007c00, 0x00007c00},
+ { 0x1c58b0, 0x00006c00, 0x00006c00},
+ { 0x1c58b0, 0x00006c00, 0x00006c00},
+ { 0x1c58b0, 0x00007c00, 0x00007c00},
+ { 0x1c58b0, 0x00002c00, 0x00002c00},
+ { 0x1c58b0, 0x00003c00, 0x00003c00},
+ { 0x1c58b0, 0x00003800, 0x00003800},
+ { 0x1c58b0, 0x00001c00, 0x00001c00},
+ { 0x1c58b0, 0x00000800, 0x00000800},
+ { 0x1c58b0, 0x00000408, 0x00000408},
+ { 0x1c58b0, 0x00004c15, 0x00004c15},
+ { 0x1c58b0, 0x00004188, 0x00004188},
+ { 0x1c58b0, 0x0000201e, 0x0000201e},
+ { 0x1c58b0, 0x00010408, 0x00010408},
+ { 0x1c58b0, 0x00000801, 0x00000801},
+ { 0x1c58b0, 0x00000c08, 0x00000c08},
+ { 0x1c58b0, 0x0000181e, 0x0000181e},
+ { 0x1c58b0, 0x00001016, 0x00001016},
+ { 0x1c58b0, 0x00002800, 0x00002800},
+ { 0x1c58b0, 0x00004010, 0x00004010},
+ { 0x1c58b0, 0x0000081c, 0x0000081c},
+ { 0x1c58b0, 0x00000115, 0x00000115},
+ { 0x1c58b0, 0x00000015, 0x00000015},
+ { 0x1c58b0, 0x00000066, 0x00000066},
+ { 0x1c58b0, 0x0000001c, 0x0000001c},
+ { 0x1c58b0, 0x00000000, 0x00000000},
+ { 0x1c58b0, 0x00000004, 0x00000004},
+ { 0x1c58b0, 0x00000015, 0x00000015},
+ { 0x1c58b0, 0x0000001f, 0x0000001f},
+ { 0x1c58e0, 0x00000000, 0x00000400},
+ /* bank 7 */
+ { 0x1c58b0, 0x000000a0, 0x000000a0},
+ { 0x1c58b0, 0x00000000, 0x00000000},
+ { 0x1c58b0, 0x00000040, 0x00000040},
+ { 0x1c58f0, 0x0000001c, 0x0000001c},
+};
+
+static int ar9170_init_rf_banks_0_7(struct ar9170 *ar, bool band5ghz)
+{
+ int err, i;
+
+ ar9170_regwrite_begin(ar);
+
+ for (i = 0; i < ARRAY_SIZE(ar9170_rf_init); i++)
+ ar9170_regwrite(ar9170_rf_init[i].reg,
+ band5ghz ? ar9170_rf_init[i]._5ghz
+ : ar9170_rf_init[i]._2ghz);
+
+ ar9170_regwrite_finish();
+ err = ar9170_regwrite_result();
+ if (err)
+ printk(KERN_ERR "%s: rf init failed\n",
+ wiphy_name(ar->hw->wiphy));
+ return err;
+}
+
+static int ar9170_init_rf_bank4_pwr(struct ar9170 *ar, bool band5ghz,
+ u32 freq, enum ar9170_bw bw)
+{
+ int err;
+ u32 d0, d1, td0, td1, fd0, fd1;
+ u8 chansel;
+ u8 refsel0 = 1, refsel1 = 0;
+ u8 lf_synth = 0;
+
+ switch (bw) {
+ case AR9170_BW_40_ABOVE:
+ freq += 10;
+ break;
+ case AR9170_BW_40_BELOW:
+ freq -= 10;
+ break;
+ case AR9170_BW_20:
+ break;
+ case __AR9170_NUM_BW:
+ BUG();
+ }
+
+ if (band5ghz) {
+ if (freq % 10) {
+ chansel = (freq - 4800) / 5;
+ } else {
+ chansel = ((freq - 4800) / 10) * 2;
+ refsel0 = 0;
+ refsel1 = 1;
+ }
+ chansel = byte_rev_table[chansel];
+ } else {
+ if (freq == 2484) {
+ chansel = 10 + (freq - 2274) / 5;
+ lf_synth = 1;
+ } else
+ chansel = 16 + (freq - 2272) / 5;
+ chansel *= 4;
+ chansel = byte_rev_table[chansel];
+ }
+
+ d1 = chansel;
+ d0 = 0x21 |
+ refsel0 << 3 |
+ refsel1 << 2 |
+ lf_synth << 1;
+ td0 = d0 & 0x1f;
+ td1 = d1 & 0x1f;
+ fd0 = td1 << 5 | td0;
+
+ td0 = (d0 >> 5) & 0x7;
+ td1 = (d1 >> 5) & 0x7;
+ fd1 = td1 << 5 | td0;
+
+ ar9170_regwrite_begin(ar);
+
+ ar9170_regwrite(0x1c58b0, fd0);
+ ar9170_regwrite(0x1c58e8, fd1);
+
+ ar9170_regwrite_finish();
+ err = ar9170_regwrite_result();
+ if (err)
+ return err;
+
+ msleep(10);
+
+ return 0;
+}
+
+struct ar9170_phy_freq_params {
+ u8 coeff_exp;
+ u16 coeff_man;
+ u8 coeff_exp_shgi;
+ u16 coeff_man_shgi;
+};
+
+struct ar9170_phy_freq_entry {
+ u16 freq;
+ struct ar9170_phy_freq_params params[__AR9170_NUM_BW];
+};
+
+/* NB: must be in sync with channel tables in main! */
+static const struct ar9170_phy_freq_entry ar9170_phy_freq_params[] = {
+/*
+ * freq,
+ * 20MHz,
+ * 40MHz (below),
+ * 40Mhz (above),
+ */
+ { 2412, {
+ { 3, 21737, 3, 19563, },
+ { 3, 21827, 3, 19644, },
+ { 3, 21647, 3, 19482, },
+ } },
+ { 2417, {
+ { 3, 21692, 3, 19523, },
+ { 3, 21782, 3, 19604, },
+ { 3, 21602, 3, 19442, },
+ } },
+ { 2422, {
+ { 3, 21647, 3, 19482, },
+ { 3, 21737, 3, 19563, },
+ { 3, 21558, 3, 19402, },
+ } },
+ { 2427, {
+ { 3, 21602, 3, 19442, },
+ { 3, 21692, 3, 19523, },
+ { 3, 21514, 3, 19362, },
+ } },
+ { 2432, {
+ { 3, 21558, 3, 19402, },
+ { 3, 21647, 3, 19482, },
+ { 3, 21470, 3, 19323, },
+ } },
+ { 2437, {
+ { 3, 21514, 3, 19362, },
+ { 3, 21602, 3, 19442, },
+ { 3, 21426, 3, 19283, },
+ } },
+ { 2442, {
+ { 3, 21470, 3, 19323, },
+ { 3, 21558, 3, 19402, },
+ { 3, 21382, 3, 19244, },
+ } },
+ { 2447, {
+ { 3, 21426, 3, 19283, },
+ { 3, 21514, 3, 19362, },
+ { 3, 21339, 3, 19205, },
+ } },
+ { 2452, {
+ { 3, 21382, 3, 19244, },
+ { 3, 21470, 3, 19323, },
+ { 3, 21295, 3, 19166, },
+ } },
+ { 2457, {
+ { 3, 21339, 3, 19205, },
+ { 3, 21426, 3, 19283, },
+ { 3, 21252, 3, 19127, },
+ } },
+ { 2462, {
+ { 3, 21295, 3, 19166, },
+ { 3, 21382, 3, 19244, },
+ { 3, 21209, 3, 19088, },
+ } },
+ { 2467, {
+ { 3, 21252, 3, 19127, },
+ { 3, 21339, 3, 19205, },
+ { 3, 21166, 3, 19050, },
+ } },
+ { 2472, {
+ { 3, 21209, 3, 19088, },
+ { 3, 21295, 3, 19166, },
+ { 3, 21124, 3, 19011, },
+ } },
+ { 2484, {
+ { 3, 21107, 3, 18996, },
+ { 3, 21192, 3, 19073, },
+ { 3, 21022, 3, 18920, },
+ } },
+ { 4920, {
+ { 4, 21313, 4, 19181, },
+ { 4, 21356, 4, 19220, },
+ { 4, 21269, 4, 19142, },
+ } },
+ { 4940, {
+ { 4, 21226, 4, 19104, },
+ { 4, 21269, 4, 19142, },
+ { 4, 21183, 4, 19065, },
+ } },
+ { 4960, {
+ { 4, 21141, 4, 19027, },
+ { 4, 21183, 4, 19065, },
+ { 4, 21098, 4, 18988, },
+ } },
+ { 4980, {
+ { 4, 21056, 4, 18950, },
+ { 4, 21098, 4, 18988, },
+ { 4, 21014, 4, 18912, },
+ } },
+ { 5040, {
+ { 4, 20805, 4, 18725, },
+ { 4, 20846, 4, 18762, },
+ { 4, 20764, 4, 18687, },
+ } },
+ { 5060, {
+ { 4, 20723, 4, 18651, },
+ { 4, 20764, 4, 18687, },
+ { 4, 20682, 4, 18614, },
+ } },
+ { 5080, {
+ { 4, 20641, 4, 18577, },
+ { 4, 20682, 4, 18614, },
+ { 4, 20601, 4, 18541, },
+ } },
+ { 5180, {
+ { 4, 20243, 4, 18219, },
+ { 4, 20282, 4, 18254, },
+ { 4, 20204, 4, 18183, },
+ } },
+ { 5200, {
+ { 4, 20165, 4, 18148, },
+ { 4, 20204, 4, 18183, },
+ { 4, 20126, 4, 18114, },
+ } },
+ { 5220, {
+ { 4, 20088, 4, 18079, },
+ { 4, 20126, 4, 18114, },
+ { 4, 20049, 4, 18044, },
+ } },
+ { 5240, {
+ { 4, 20011, 4, 18010, },
+ { 4, 20049, 4, 18044, },
+ { 4, 19973, 4, 17976, },
+ } },
+ { 5260, {
+ { 4, 19935, 4, 17941, },
+ { 4, 19973, 4, 17976, },
+ { 4, 19897, 4, 17907, },
+ } },
+ { 5280, {
+ { 4, 19859, 4, 17873, },
+ { 4, 19897, 4, 17907, },
+ { 4, 19822, 4, 17840, },
+ } },
+ { 5300, {
+ { 4, 19784, 4, 17806, },
+ { 4, 19822, 4, 17840, },
+ { 4, 19747, 4, 17772, },
+ } },
+ { 5320, {
+ { 4, 19710, 4, 17739, },
+ { 4, 19747, 4, 17772, },
+ { 4, 19673, 4, 17706, },
+ } },
+ { 5500, {
+ { 4, 19065, 4, 17159, },
+ { 4, 19100, 4, 17190, },
+ { 4, 19030, 4, 17127, },
+ } },
+ { 5520, {
+ { 4, 18996, 4, 17096, },
+ { 4, 19030, 4, 17127, },
+ { 4, 18962, 4, 17065, },
+ } },
+ { 5540, {
+ { 4, 18927, 4, 17035, },
+ { 4, 18962, 4, 17065, },
+ { 4, 18893, 4, 17004, },
+ } },
+ { 5560, {
+ { 4, 18859, 4, 16973, },
+ { 4, 18893, 4, 17004, },
+ { 4, 18825, 4, 16943, },
+ } },
+ { 5580, {
+ { 4, 18792, 4, 16913, },
+ { 4, 18825, 4, 16943, },
+ { 4, 18758, 4, 16882, },
+ } },
+ { 5600, {
+ { 4, 18725, 4, 16852, },
+ { 4, 18758, 4, 16882, },
+ { 4, 18691, 4, 16822, },
+ } },
+ { 5620, {
+ { 4, 18658, 4, 16792, },
+ { 4, 18691, 4, 16822, },
+ { 4, 18625, 4, 16762, },
+ } },
+ { 5640, {
+ { 4, 18592, 4, 16733, },
+ { 4, 18625, 4, 16762, },
+ { 4, 18559, 4, 16703, },
+ } },
+ { 5660, {
+ { 4, 18526, 4, 16673, },
+ { 4, 18559, 4, 16703, },
+ { 4, 18493, 4, 16644, },
+ } },
+ { 5680, {
+ { 4, 18461, 4, 16615, },
+ { 4, 18493, 4, 16644, },
+ { 4, 18428, 4, 16586, },
+ } },
+ { 5700, {
+ { 4, 18396, 4, 16556, },
+ { 4, 18428, 4, 16586, },
+ { 4, 18364, 4, 16527, },
+ } },
+ { 5745, {
+ { 4, 18252, 4, 16427, },
+ { 4, 18284, 4, 16455, },
+ { 4, 18220, 4, 16398, },
+ } },
+ { 5765, {
+ { 4, 18189, 5, 32740, },
+ { 4, 18220, 4, 16398, },
+ { 4, 18157, 5, 32683, },
+ } },
+ { 5785, {
+ { 4, 18126, 5, 32626, },
+ { 4, 18157, 5, 32683, },
+ { 4, 18094, 5, 32570, },
+ } },
+ { 5805, {
+ { 4, 18063, 5, 32514, },
+ { 4, 18094, 5, 32570, },
+ { 4, 18032, 5, 32458, },
+ } },
+ { 5825, {
+ { 4, 18001, 5, 32402, },
+ { 4, 18032, 5, 32458, },
+ { 4, 17970, 5, 32347, },
+ } },
+ { 5170, {
+ { 4, 20282, 4, 18254, },
+ { 4, 20321, 4, 18289, },
+ { 4, 20243, 4, 18219, },
+ } },
+ { 5190, {
+ { 4, 20204, 4, 18183, },
+ { 4, 20243, 4, 18219, },
+ { 4, 20165, 4, 18148, },
+ } },
+ { 5210, {
+ { 4, 20126, 4, 18114, },
+ { 4, 20165, 4, 18148, },
+ { 4, 20088, 4, 18079, },
+ } },
+ { 5230, {
+ { 4, 20049, 4, 18044, },
+ { 4, 20088, 4, 18079, },
+ { 4, 20011, 4, 18010, },
+ } },
+};
+
+static const struct ar9170_phy_freq_params *
+ar9170_get_hw_dyn_params(struct ieee80211_channel *channel,
+ enum ar9170_bw bw)
+{
+ unsigned int chanidx = 0;
+ u16 freq = 2412;
+
+ if (channel) {
+ chanidx = channel->hw_value;
+ freq = channel->center_freq;
+ }
+
+ BUG_ON(chanidx >= ARRAY_SIZE(ar9170_phy_freq_params));
+
+ BUILD_BUG_ON(__AR9170_NUM_BW != 3);
+
+ WARN_ON(ar9170_phy_freq_params[chanidx].freq != freq);
+
+ return &ar9170_phy_freq_params[chanidx].params[bw];
+}
+
+
+int ar9170_init_rf(struct ar9170 *ar)
+{
+ const struct ar9170_phy_freq_params *freqpar;
+ __le32 cmd[7];
+ int err;
+
+ err = ar9170_init_rf_banks_0_7(ar, false);
+ if (err)
+ return err;
+
+ err = ar9170_init_rf_bank4_pwr(ar, false, 2412, AR9170_BW_20);
+ if (err)
+ return err;
+
+ freqpar = ar9170_get_hw_dyn_params(NULL, AR9170_BW_20);
+
+ cmd[0] = cpu_to_le32(2412 * 1000);
+ cmd[1] = cpu_to_le32(0);
+ cmd[2] = cpu_to_le32(1);
+ cmd[3] = cpu_to_le32(freqpar->coeff_exp);
+ cmd[4] = cpu_to_le32(freqpar->coeff_man);
+ cmd[5] = cpu_to_le32(freqpar->coeff_exp_shgi);
+ cmd[6] = cpu_to_le32(freqpar->coeff_man_shgi);
+
+ /* RF_INIT echoes the command back to us */
+ err = ar->exec_cmd(ar, AR9170_CMD_RF_INIT,
+ sizeof(cmd), (u8 *)cmd,
+ sizeof(cmd), (u8 *)cmd);
+ if (err)
+ return err;
+
+ msleep(1000);
+
+ return ar9170_echo_test(ar, 0xaabbccdd);
+}
+
+static int ar9170_find_freq_idx(int nfreqs, u8 *freqs, u8 f)
+{
+ int idx = nfreqs - 2;
+
+ while (idx >= 0) {
+ if (f >= freqs[idx])
+ return idx;
+ idx--;
+ }
+
+ return 0;
+}
+
+static s32 ar9170_interpolate_s32(s32 x, s32 x1, s32 y1, s32 x2, s32 y2)
+{
+ /* nothing to interpolate, it's horizontal */
+ if (y2 == y1)
+ return y1;
+
+ /* check if we hit one of the edges */
+ if (x == x1)
+ return y1;
+ if (x == x2)
+ return y2;
+
+ /* x1 == x2 is bad, hopefully == x */
+ if (x2 == x1)
+ return y1;
+
+ return y1 + (((y2 - y1) * (x - x1)) / (x2 - x1));
+}
+
+static u8 ar9170_interpolate_u8(u8 x, u8 x1, u8 y1, u8 x2, u8 y2)
+{
+#define SHIFT 8
+ s32 y;
+
+ y = ar9170_interpolate_s32(x << SHIFT,
+ x1 << SHIFT, y1 << SHIFT,
+ x2 << SHIFT, y2 << SHIFT);
+
+ /*
+ * XXX: unwrap this expression
+ * Isn't it just DIV_ROUND_UP(y, 1<<SHIFT)?
+ * Can we rely on the compiler to optimise away the div?
+ */
+ return (y >> SHIFT) + ((y & (1<<(SHIFT-1))) >> (SHIFT - 1));
+#undef SHIFT
+}
+
+static int ar9170_set_power_cal(struct ar9170 *ar, u32 freq, enum ar9170_bw bw)
+{
+ struct ar9170_calibration_target_power_legacy *ctpl;
+ struct ar9170_calibration_target_power_ht *ctph;
+ u8 *ctpres;
+ int ntargets;
+ int idx, i, n;
+ u8 ackpower, ackchains, f;
+ u8 pwr_freqs[AR5416_MAX_NUM_TGT_PWRS];
+
+ if (freq < 3000)
+ f = freq - 2300;
+ else
+ f = (freq - 4800)/5;
+
+ /*
+ * cycle through the various modes
+ *
+ * legacy modes first: 5G, 2G CCK, 2G OFDM
+ */
+ for (i = 0; i < 3; i++) {
+ switch (i) {
+ case 0: /* 5 GHz legacy */
+ ctpl = &ar->eeprom.cal_tgt_pwr_5G[0];
+ ntargets = AR5416_NUM_5G_TARGET_PWRS;
+ ctpres = ar->power_5G_leg;
+ break;
+ case 1: /* 2.4 GHz CCK */
+ ctpl = &ar->eeprom.cal_tgt_pwr_2G_cck[0];
+ ntargets = AR5416_NUM_2G_CCK_TARGET_PWRS;
+ ctpres = ar->power_2G_cck;
+ break;
+ case 2: /* 2.4 GHz OFDM */
+ ctpl = &ar->eeprom.cal_tgt_pwr_2G_ofdm[0];
+ ntargets = AR5416_NUM_2G_OFDM_TARGET_PWRS;
+ ctpres = ar->power_2G_ofdm;
+ break;
+ default:
+ BUG();
+ }
+
+ for (n = 0; n < ntargets; n++) {
+ if (ctpl[n].freq == 0xff)
+ break;
+ pwr_freqs[n] = ctpl[n].freq;
+ }
+ ntargets = n;
+ idx = ar9170_find_freq_idx(ntargets, pwr_freqs, f);
+ for (n = 0; n < 4; n++)
+ ctpres[n] = ar9170_interpolate_u8(
+ f,
+ ctpl[idx + 0].freq,
+ ctpl[idx + 0].power[n],
+ ctpl[idx + 1].freq,
+ ctpl[idx + 1].power[n]);
+ }
+
+ /*
+ * HT modes now: 5G HT20, 5G HT40, 2G CCK, 2G OFDM, 2G HT20, 2G HT40
+ */
+ for (i = 0; i < 4; i++) {
+ switch (i) {
+ case 0: /* 5 GHz HT 20 */
+ ctph = &ar->eeprom.cal_tgt_pwr_5G_ht20[0];
+ ntargets = AR5416_NUM_5G_TARGET_PWRS;
+ ctpres = ar->power_5G_ht20;
+ break;
+ case 1: /* 5 GHz HT 40 */
+ ctph = &ar->eeprom.cal_tgt_pwr_5G_ht40[0];
+ ntargets = AR5416_NUM_5G_TARGET_PWRS;
+ ctpres = ar->power_5G_ht40;
+ break;
+ case 2: /* 2.4 GHz HT 20 */
+ ctph = &ar->eeprom.cal_tgt_pwr_2G_ht20[0];
+ ntargets = AR5416_NUM_2G_OFDM_TARGET_PWRS;
+ ctpres = ar->power_2G_ht20;
+ break;
+ case 3: /* 2.4 GHz HT 40 */
+ ctph = &ar->eeprom.cal_tgt_pwr_2G_ht40[0];
+ ntargets = AR5416_NUM_2G_OFDM_TARGET_PWRS;
+ ctpres = ar->power_2G_ht40;
+ break;
+ default:
+ BUG();
+ }
+
+ for (n = 0; n < ntargets; n++) {
+ if (ctph[n].freq == 0xff)
+ break;
+ pwr_freqs[n] = ctph[n].freq;
+ }
+ ntargets = n;
+ idx = ar9170_find_freq_idx(ntargets, pwr_freqs, f);
+ for (n = 0; n < 8; n++)
+ ctpres[n] = ar9170_interpolate_u8(
+ f,
+ ctph[idx + 0].freq,
+ ctph[idx + 0].power[n],
+ ctph[idx + 1].freq,
+ ctph[idx + 1].power[n]);
+ }
+
+ /* set ACK/CTS TX power */
+ ar9170_regwrite_begin(ar);
+
+ if (ar->eeprom.tx_mask != 1)
+ ackchains = AR9170_TX_PHY_TXCHAIN_2;
+ else
+ ackchains = AR9170_TX_PHY_TXCHAIN_1;
+
+ if (freq < 3000)
+ ackpower = ar->power_2G_ofdm[0] & 0x3f;
+ else
+ ackpower = ar->power_5G_leg[0] & 0x3f;
+
+ ar9170_regwrite(0x1c3694, ackpower << 20 | ackchains << 26);
+ ar9170_regwrite(0x1c3bb4, ackpower << 5 | ackchains << 11 |
+ ackpower << 21 | ackchains << 27);
+
+ ar9170_regwrite_finish();
+ return ar9170_regwrite_result();
+}
+
+static int ar9170_calc_noise_dbm(u32 raw_noise)
+{
+ if (raw_noise & 0x100)
+ return ~((raw_noise & 0x0ff) >> 1);
+ else
+ return (raw_noise & 0xff) >> 1;
+}
+
+int ar9170_set_channel(struct ar9170 *ar, struct ieee80211_channel *channel,
+ enum ar9170_rf_init_mode rfi, enum ar9170_bw bw)
+{
+ const struct ar9170_phy_freq_params *freqpar;
+ u32 cmd, tmp, offs;
+ __le32 vals[8];
+ int i, err;
+ bool bandswitch;
+
+ /* clear BB heavy clip enable */
+ err = ar9170_write_reg(ar, 0x1c59e0, 0x200);
+ if (err)
+ return err;
+
+ /* may be NULL at first setup */
+ if (ar->channel)
+ bandswitch = ar->channel->band != channel->band;
+ else
+ bandswitch = true;
+
+ /* HW workaround */
+ if (!ar->hw->wiphy->bands[IEEE80211_BAND_5GHZ] &&
+ channel->center_freq <= 2417)
+ bandswitch = true;
+
+ err = ar->exec_cmd(ar, AR9170_CMD_FREQ_START, 0, NULL, 0, NULL);
+ if (err)
+ return err;
+
+ if (rfi != AR9170_RFI_NONE || bandswitch) {
+ u32 val = 0x400;
+
+ if (rfi == AR9170_RFI_COLD)
+ val = 0x800;
+
+ /* warm/cold reset BB/ADDA */
+ err = ar9170_write_reg(ar, 0x1d4004, val);
+ if (err)
+ return err;
+
+ err = ar9170_write_reg(ar, 0x1d4004, 0x0);
+ if (err)
+ return err;
+
+ err = ar9170_init_phy(ar, channel->band);
+ if (err)
+ return err;
+
+ err = ar9170_init_rf_banks_0_7(ar,
+ channel->band == IEEE80211_BAND_5GHZ);
+ if (err)
+ return err;
+
+ cmd = AR9170_CMD_RF_INIT;
+ } else {
+ cmd = AR9170_CMD_FREQUENCY;
+ }
+
+ err = ar9170_init_rf_bank4_pwr(ar,
+ channel->band == IEEE80211_BAND_5GHZ,
+ channel->center_freq, bw);
+ if (err)
+ return err;
+
+ switch (bw) {
+ case AR9170_BW_20:
+ tmp = 0x240;
+ offs = 0;
+ break;
+ case AR9170_BW_40_BELOW:
+ tmp = 0x2c4;
+ offs = 3;
+ break;
+ case AR9170_BW_40_ABOVE:
+ tmp = 0x2d4;
+ offs = 1;
+ break;
+ default:
+ BUG();
+ return -ENOSYS;
+ }
+
+ if (0 /* 2 streams capable */)
+ tmp |= 0x100;
+
+ err = ar9170_write_reg(ar, 0x1c5804, tmp);
+ if (err)
+ return err;
+
+ err = ar9170_set_power_cal(ar, channel->center_freq, bw);
+ if (err)
+ return err;
+
+ freqpar = ar9170_get_hw_dyn_params(channel, bw);
+
+ vals[0] = cpu_to_le32(channel->center_freq * 1000);
+ vals[1] = cpu_to_le32(bw == AR9170_BW_20 ? 0 : 1);
+ vals[2] = cpu_to_le32(offs << 2 | 1);
+ vals[3] = cpu_to_le32(freqpar->coeff_exp);
+ vals[4] = cpu_to_le32(freqpar->coeff_man);
+ vals[5] = cpu_to_le32(freqpar->coeff_exp_shgi);
+ vals[6] = cpu_to_le32(freqpar->coeff_man_shgi);
+ vals[7] = cpu_to_le32(1000);
+
+ err = ar->exec_cmd(ar, cmd, sizeof(vals), (u8 *)vals,
+ sizeof(vals), (u8 *)vals);
+ if (err)
+ return err;
+
+ for (i = 0; i < 2; i++) {
+ ar->noise[i] = ar9170_calc_noise_dbm(
+ (le32_to_cpu(vals[2 + i]) >> 19) & 0x1ff);
+
+ ar->noise[i + 2] = ar9170_calc_noise_dbm(
+ (le32_to_cpu(vals[5 + i]) >> 23) & 0x1ff);
+ }
+
+ ar->channel = channel;
+ return 0;
+}
diff --git a/drivers/net/wireless/ar9170/usb.c b/drivers/net/wireless/ar9170/usb.c
new file mode 100644
index 00000000000..ad296840893
--- /dev/null
+++ b/drivers/net/wireless/ar9170/usb.c
@@ -0,0 +1,748 @@
+/*
+ * Atheros AR9170 driver
+ *
+ * USB - frontend
+ *
+ * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2009, Christian Lamparter <chunkeey@web.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, see
+ * http://www.gnu.org/licenses/.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ * Copyright (c) 2007-2008 Atheros Communications, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+
+#include <linux/module.h>
+#include <linux/usb.h>
+#include <linux/firmware.h>
+#include <linux/etherdevice.h>
+#include <net/mac80211.h>
+#include "ar9170.h"
+#include "cmd.h"
+#include "hw.h"
+#include "usb.h"
+
+MODULE_AUTHOR("Johannes Berg <johannes@sipsolutions.net>");
+MODULE_AUTHOR("Christian Lamparter <chunkeey@web.de>");
+MODULE_LICENSE("GPL");
+MODULE_DESCRIPTION("Atheros AR9170 802.11n USB wireless");
+MODULE_FIRMWARE("ar9170-1.fw");
+MODULE_FIRMWARE("ar9170-2.fw");
+
+static struct usb_device_id ar9170_usb_ids[] = {
+ /* Atheros 9170 */
+ { USB_DEVICE(0x0cf3, 0x9170) },
+ /* Atheros TG121N */
+ { USB_DEVICE(0x0cf3, 0x1001) },
+ /* D-Link DWA 160A */
+ { USB_DEVICE(0x07d1, 0x3c10) },
+ /* Netgear WNDA3100 */
+ { USB_DEVICE(0x0846, 0x9010) },
+ /* Netgear WN111 v2 */
+ { USB_DEVICE(0x0846, 0x9001) },
+ /* Zydas ZD1221 */
+ { USB_DEVICE(0x0ace, 0x1221) },
+ /* Z-Com UB81 BG */
+ { USB_DEVICE(0x0cde, 0x0023) },
+ /* Z-Com UB82 ABG */
+ { USB_DEVICE(0x0cde, 0x0026) },
+ /* Arcadyan WN7512 */
+ { USB_DEVICE(0x083a, 0xf522) },
+ /* Planex GWUS300 */
+ { USB_DEVICE(0x2019, 0x5304) },
+ /* IO-Data WNGDNUS2 */
+ { USB_DEVICE(0x04bb, 0x093f) },
+
+ /* terminate */
+ {}
+};
+MODULE_DEVICE_TABLE(usb, ar9170_usb_ids);
+
+static void ar9170_usb_tx_urb_complete_free(struct urb *urb)
+{
+ struct sk_buff *skb = urb->context;
+ struct ar9170_usb *aru = (struct ar9170_usb *)
+ usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
+
+ if (!aru) {
+ dev_kfree_skb_irq(skb);
+ return ;
+ }
+
+ ar9170_handle_tx_status(&aru->common, skb, false,
+ AR9170_TX_STATUS_COMPLETE);
+}
+
+static void ar9170_usb_tx_urb_complete(struct urb *urb)
+{
+}
+
+static void ar9170_usb_irq_completed(struct urb *urb)
+{
+ struct ar9170_usb *aru = urb->context;
+
+ switch (urb->status) {
+ /* everything is fine */
+ case 0:
+ break;
+
+ /* disconnect */
+ case -ENOENT:
+ case -ECONNRESET:
+ case -ENODEV:
+ case -ESHUTDOWN:
+ goto free;
+
+ default:
+ goto resubmit;
+ }
+
+ print_hex_dump_bytes("ar9170 irq: ", DUMP_PREFIX_OFFSET,
+ urb->transfer_buffer, urb->actual_length);
+
+resubmit:
+ usb_anchor_urb(urb, &aru->rx_submitted);
+ if (usb_submit_urb(urb, GFP_ATOMIC)) {
+ usb_unanchor_urb(urb);
+ goto free;
+ }
+
+ return;
+
+free:
+ usb_buffer_free(aru->udev, 64, urb->transfer_buffer, urb->transfer_dma);
+}
+
+static void ar9170_usb_rx_completed(struct urb *urb)
+{
+ struct sk_buff *skb = urb->context;
+ struct ar9170_usb *aru = (struct ar9170_usb *)
+ usb_get_intfdata(usb_ifnum_to_if(urb->dev, 0));
+ int err;
+
+ if (!aru)
+ goto free;
+
+ switch (urb->status) {
+ /* everything is fine */
+ case 0:
+ break;
+
+ /* disconnect */
+ case -ENOENT:
+ case -ECONNRESET:
+ case -ENODEV:
+ case -ESHUTDOWN:
+ goto free;
+
+ default:
+ goto resubmit;
+ }
+
+ skb_put(skb, urb->actual_length);
+ ar9170_rx(&aru->common, skb);
+
+resubmit:
+ skb_reset_tail_pointer(skb);
+ skb_trim(skb, 0);
+
+ usb_anchor_urb(urb, &aru->rx_submitted);
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err) {
+ usb_unanchor_urb(urb);
+ dev_kfree_skb_irq(skb);
+ }
+
+ return ;
+
+free:
+ dev_kfree_skb_irq(skb);
+ return;
+}
+
+static int ar9170_usb_prep_rx_urb(struct ar9170_usb *aru,
+ struct urb *urb, gfp_t gfp)
+{
+ struct sk_buff *skb;
+
+ skb = __dev_alloc_skb(AR9170_MAX_RX_BUFFER_SIZE + 32, gfp);
+ if (!skb)
+ return -ENOMEM;
+
+ /* reserve some space for mac80211's radiotap */
+ skb_reserve(skb, 32);
+
+ usb_fill_bulk_urb(urb, aru->udev,
+ usb_rcvbulkpipe(aru->udev, AR9170_EP_RX),
+ skb->data, min(skb_tailroom(skb),
+ AR9170_MAX_RX_BUFFER_SIZE),
+ ar9170_usb_rx_completed, skb);
+
+ return 0;
+}
+
+static int ar9170_usb_alloc_rx_irq_urb(struct ar9170_usb *aru)
+{
+ struct urb *urb = NULL;
+ void *ibuf;
+ int err = -ENOMEM;
+
+ /* initialize interrupt endpoint */
+ urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!urb)
+ goto out;
+
+ ibuf = usb_buffer_alloc(aru->udev, 64, GFP_KERNEL, &urb->transfer_dma);
+ if (!ibuf)
+ goto out;
+
+ usb_fill_int_urb(urb, aru->udev,
+ usb_rcvintpipe(aru->udev, AR9170_EP_IRQ), ibuf,
+ 64, ar9170_usb_irq_completed, aru, 1);
+ urb->transfer_flags |= URB_NO_TRANSFER_DMA_MAP;
+
+ usb_anchor_urb(urb, &aru->rx_submitted);
+ err = usb_submit_urb(urb, GFP_KERNEL);
+ if (err) {
+ usb_unanchor_urb(urb);
+ usb_buffer_free(aru->udev, 64, urb->transfer_buffer,
+ urb->transfer_dma);
+ }
+
+out:
+ usb_free_urb(urb);
+ return err;
+}
+
+static int ar9170_usb_alloc_rx_bulk_urbs(struct ar9170_usb *aru)
+{
+ struct urb *urb;
+ int i;
+ int err = -EINVAL;
+
+ for (i = 0; i < AR9170_NUM_RX_URBS; i++) {
+ err = -ENOMEM;
+ urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!urb)
+ goto err_out;
+
+ err = ar9170_usb_prep_rx_urb(aru, urb, GFP_KERNEL);
+ if (err) {
+ usb_free_urb(urb);
+ goto err_out;
+ }
+
+ usb_anchor_urb(urb, &aru->rx_submitted);
+ err = usb_submit_urb(urb, GFP_KERNEL);
+ if (err) {
+ usb_unanchor_urb(urb);
+ dev_kfree_skb_any((void *) urb->transfer_buffer);
+ usb_free_urb(urb);
+ goto err_out;
+ }
+ usb_free_urb(urb);
+ }
+
+ /* the device now waiting for a firmware. */
+ aru->common.state = AR9170_IDLE;
+ return 0;
+
+err_out:
+
+ usb_kill_anchored_urbs(&aru->rx_submitted);
+ return err;
+}
+
+static void ar9170_usb_cancel_urbs(struct ar9170_usb *aru)
+{
+ int ret;
+
+ aru->common.state = AR9170_UNKNOWN_STATE;
+
+ usb_unlink_anchored_urbs(&aru->tx_submitted);
+
+ /* give the LED OFF command and the deauth frame a chance to air. */
+ ret = usb_wait_anchor_empty_timeout(&aru->tx_submitted,
+ msecs_to_jiffies(100));
+ if (ret == 0)
+ dev_err(&aru->udev->dev, "kill pending tx urbs.\n");
+ usb_poison_anchored_urbs(&aru->tx_submitted);
+
+ usb_poison_anchored_urbs(&aru->rx_submitted);
+}
+
+static int ar9170_usb_exec_cmd(struct ar9170 *ar, enum ar9170_cmd cmd,
+ unsigned int plen, void *payload,
+ unsigned int outlen, void *out)
+{
+ struct ar9170_usb *aru = (void *) ar;
+ struct urb *urb = NULL;
+ unsigned long flags;
+ int err = -ENOMEM;
+
+ if (unlikely(!IS_ACCEPTING_CMD(ar)))
+ return -EPERM;
+
+ if (WARN_ON(plen > AR9170_MAX_CMD_LEN - 4))
+ return -EINVAL;
+
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (unlikely(!urb))
+ goto err_free;
+
+ ar->cmdbuf[0] = cpu_to_le32(plen);
+ ar->cmdbuf[0] |= cpu_to_le32(cmd << 8);
+ /* writing multiple regs fills this buffer already */
+ if (plen && payload != (u8 *)(&ar->cmdbuf[1]))
+ memcpy(&ar->cmdbuf[1], payload, plen);
+
+ spin_lock_irqsave(&aru->common.cmdlock, flags);
+ aru->readbuf = (u8 *)out;
+ aru->readlen = outlen;
+ spin_unlock_irqrestore(&aru->common.cmdlock, flags);
+
+ usb_fill_int_urb(urb, aru->udev,
+ usb_sndbulkpipe(aru->udev, AR9170_EP_CMD),
+ aru->common.cmdbuf, plen + 4,
+ ar9170_usb_tx_urb_complete, NULL, 1);
+
+ usb_anchor_urb(urb, &aru->tx_submitted);
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (err) {
+ usb_unanchor_urb(urb);
+ usb_free_urb(urb);
+ goto err_unbuf;
+ }
+ usb_free_urb(urb);
+
+ err = wait_for_completion_timeout(&aru->cmd_wait, HZ);
+ if (err == 0) {
+ err = -ETIMEDOUT;
+ goto err_unbuf;
+ }
+
+ if (outlen >= 0 && aru->readlen != outlen) {
+ err = -EMSGSIZE;
+ goto err_unbuf;
+ }
+
+ return 0;
+
+err_unbuf:
+ /* Maybe the device was removed in the second we were waiting? */
+ if (IS_STARTED(ar)) {
+ dev_err(&aru->udev->dev, "no command feedback "
+ "received (%d).\n", err);
+
+ /* provide some maybe useful debug information */
+ print_hex_dump_bytes("ar9170 cmd: ", DUMP_PREFIX_NONE,
+ aru->common.cmdbuf, plen + 4);
+ dump_stack();
+ }
+
+ /* invalidate to avoid completing the next prematurely */
+ spin_lock_irqsave(&aru->common.cmdlock, flags);
+ aru->readbuf = NULL;
+ aru->readlen = 0;
+ spin_unlock_irqrestore(&aru->common.cmdlock, flags);
+
+err_free:
+
+ return err;
+}
+
+static int ar9170_usb_tx(struct ar9170 *ar, struct sk_buff *skb,
+ bool txstatus_needed, unsigned int extra_len)
+{
+ struct ar9170_usb *aru = (struct ar9170_usb *) ar;
+ struct urb *urb;
+ int err;
+
+ if (unlikely(!IS_STARTED(ar))) {
+ /* Seriously, what were you drink... err... thinking!? */
+ return -EPERM;
+ }
+
+ urb = usb_alloc_urb(0, GFP_ATOMIC);
+ if (unlikely(!urb))
+ return -ENOMEM;
+
+ usb_fill_bulk_urb(urb, aru->udev,
+ usb_sndbulkpipe(aru->udev, AR9170_EP_TX),
+ skb->data, skb->len + extra_len, (txstatus_needed ?
+ ar9170_usb_tx_urb_complete :
+ ar9170_usb_tx_urb_complete_free), skb);
+ urb->transfer_flags |= URB_ZERO_PACKET;
+
+ usb_anchor_urb(urb, &aru->tx_submitted);
+ err = usb_submit_urb(urb, GFP_ATOMIC);
+ if (unlikely(err))
+ usb_unanchor_urb(urb);
+
+ usb_free_urb(urb);
+ return err;
+}
+
+static void ar9170_usb_callback_cmd(struct ar9170 *ar, u32 len , void *buffer)
+{
+ struct ar9170_usb *aru = (void *) ar;
+ unsigned long flags;
+ u32 in, out;
+
+ if (!buffer)
+ return ;
+
+ in = le32_to_cpup((__le32 *)buffer);
+ out = le32_to_cpu(ar->cmdbuf[0]);
+
+ /* mask off length byte */
+ out &= ~0xFF;
+
+ if (aru->readlen >= 0) {
+ /* add expected length */
+ out |= aru->readlen;
+ } else {
+ /* add obtained length */
+ out |= in & 0xFF;
+ }
+
+ /*
+ * Some commands (e.g: AR9170_CMD_FREQUENCY) have a variable response
+ * length and we cannot predict the correct length in advance.
+ * So we only check if we provided enough space for the data.
+ */
+ if (unlikely(out < in)) {
+ dev_warn(&aru->udev->dev, "received invalid command response "
+ "got %d bytes, instead of %d bytes "
+ "and the resp length is %d bytes\n",
+ in, out, len);
+ print_hex_dump_bytes("ar9170 invalid resp: ",
+ DUMP_PREFIX_OFFSET, buffer, len);
+ /*
+ * Do not complete, then the command times out,
+ * and we get a stack trace from there.
+ */
+ return ;
+ }
+
+ spin_lock_irqsave(&aru->common.cmdlock, flags);
+ if (aru->readbuf && len > 0) {
+ memcpy(aru->readbuf, buffer + 4, len - 4);
+ aru->readbuf = NULL;
+ }
+ complete(&aru->cmd_wait);
+ spin_unlock_irqrestore(&aru->common.cmdlock, flags);
+}
+
+static int ar9170_usb_upload(struct ar9170_usb *aru, const void *data,
+ size_t len, u32 addr, bool complete)
+{
+ int transfer, err;
+ u8 *buf = kmalloc(4096, GFP_KERNEL);
+
+ if (!buf)
+ return -ENOMEM;
+
+ while (len) {
+ transfer = min_t(int, len, 4096);
+ memcpy(buf, data, transfer);
+
+ err = usb_control_msg(aru->udev, usb_sndctrlpipe(aru->udev, 0),
+ 0x30 /* FW DL */, 0x40 | USB_DIR_OUT,
+ addr >> 8, 0, buf, transfer, 1000);
+
+ if (err < 0) {
+ kfree(buf);
+ return err;
+ }
+
+ len -= transfer;
+ data += transfer;
+ addr += transfer;
+ }
+ kfree(buf);
+
+ if (complete) {
+ err = usb_control_msg(aru->udev, usb_sndctrlpipe(aru->udev, 0),
+ 0x31 /* FW DL COMPLETE */,
+ 0x40 | USB_DIR_OUT, 0, 0, NULL, 0, 5000);
+ }
+
+ return 0;
+}
+
+static int ar9170_usb_request_firmware(struct ar9170_usb *aru)
+{
+ int err = 0;
+
+ err = request_firmware(&aru->init_values, "ar9170-1.fw",
+ &aru->udev->dev);
+ if (err) {
+ dev_err(&aru->udev->dev, "file with init values not found.\n");
+ return err;
+ }
+
+ err = request_firmware(&aru->firmware, "ar9170-2.fw", &aru->udev->dev);
+ if (err) {
+ release_firmware(aru->init_values);
+ dev_err(&aru->udev->dev, "firmware file not found.\n");
+ return err;
+ }
+
+ return err;
+}
+
+static int ar9170_usb_reset(struct ar9170_usb *aru)
+{
+ int ret, lock = (aru->intf->condition != USB_INTERFACE_BINDING);
+
+ if (lock) {
+ ret = usb_lock_device_for_reset(aru->udev, aru->intf);
+ if (ret < 0) {
+ dev_err(&aru->udev->dev, "unable to lock device "
+ "for reset (%d).\n", ret);
+ return ret;
+ }
+ }
+
+ ret = usb_reset_device(aru->udev);
+ if (lock)
+ usb_unlock_device(aru->udev);
+
+ /* let it rest - for a second - */
+ msleep(1000);
+
+ return ret;
+}
+
+static int ar9170_usb_upload_firmware(struct ar9170_usb *aru)
+{
+ int err;
+
+ /* First, upload initial values to device RAM */
+ err = ar9170_usb_upload(aru, aru->init_values->data,
+ aru->init_values->size, 0x102800, false);
+ if (err) {
+ dev_err(&aru->udev->dev, "firmware part 1 "
+ "upload failed (%d).\n", err);
+ return err;
+ }
+
+ /* Then, upload the firmware itself and start it */
+ return ar9170_usb_upload(aru, aru->firmware->data, aru->firmware->size,
+ 0x200000, true);
+}
+
+static int ar9170_usb_init_transport(struct ar9170_usb *aru)
+{
+ struct ar9170 *ar = (void *) &aru->common;
+ int err;
+
+ ar9170_regwrite_begin(ar);
+
+ /* Set USB Rx stream mode MAX packet number to 2 */
+ ar9170_regwrite(AR9170_USB_REG_MAX_AGG_UPLOAD, 0x4);
+
+ /* Set USB Rx stream mode timeout to 10us */
+ ar9170_regwrite(AR9170_USB_REG_UPLOAD_TIME_CTL, 0x80);
+
+ ar9170_regwrite_finish();
+
+ err = ar9170_regwrite_result();
+ if (err)
+ dev_err(&aru->udev->dev, "USB setup failed (%d).\n", err);
+
+ return err;
+}
+
+static void ar9170_usb_stop(struct ar9170 *ar)
+{
+ struct ar9170_usb *aru = (void *) ar;
+ int ret;
+
+ if (IS_ACCEPTING_CMD(ar))
+ aru->common.state = AR9170_STOPPED;
+
+ /* lets wait a while until the tx - queues are dried out */
+ ret = usb_wait_anchor_empty_timeout(&aru->tx_submitted,
+ msecs_to_jiffies(1000));
+ if (ret == 0)
+ dev_err(&aru->udev->dev, "kill pending tx urbs.\n");
+
+ usb_poison_anchored_urbs(&aru->tx_submitted);
+
+ /*
+ * Note:
+ * So far we freed all tx urbs, but we won't dare to touch any rx urbs.
+ * Else we would end up with a unresponsive device...
+ */
+}
+
+static int ar9170_usb_open(struct ar9170 *ar)
+{
+ struct ar9170_usb *aru = (void *) ar;
+ int err;
+
+ usb_unpoison_anchored_urbs(&aru->tx_submitted);
+ err = ar9170_usb_init_transport(aru);
+ if (err) {
+ usb_poison_anchored_urbs(&aru->tx_submitted);
+ return err;
+ }
+
+ aru->common.state = AR9170_IDLE;
+ return 0;
+}
+
+static int ar9170_usb_probe(struct usb_interface *intf,
+ const struct usb_device_id *id)
+{
+ struct ar9170_usb *aru;
+ struct ar9170 *ar;
+ struct usb_device *udev;
+ int err;
+
+ aru = ar9170_alloc(sizeof(*aru));
+ if (IS_ERR(aru)) {
+ err = PTR_ERR(aru);
+ goto out;
+ }
+
+ udev = interface_to_usbdev(intf);
+ usb_get_dev(udev);
+ aru->udev = udev;
+ aru->intf = intf;
+ ar = &aru->common;
+
+ usb_set_intfdata(intf, aru);
+ SET_IEEE80211_DEV(ar->hw, &udev->dev);
+
+ init_usb_anchor(&aru->rx_submitted);
+ init_usb_anchor(&aru->tx_submitted);
+ init_completion(&aru->cmd_wait);
+
+ aru->common.stop = ar9170_usb_stop;
+ aru->common.open = ar9170_usb_open;
+ aru->common.tx = ar9170_usb_tx;
+ aru->common.exec_cmd = ar9170_usb_exec_cmd;
+ aru->common.callback_cmd = ar9170_usb_callback_cmd;
+
+ err = ar9170_usb_reset(aru);
+ if (err)
+ goto err_unlock;
+
+ err = ar9170_usb_request_firmware(aru);
+ if (err)
+ goto err_unlock;
+
+ err = ar9170_usb_alloc_rx_irq_urb(aru);
+ if (err)
+ goto err_freefw;
+
+ err = ar9170_usb_alloc_rx_bulk_urbs(aru);
+ if (err)
+ goto err_unrx;
+
+ err = ar9170_usb_upload_firmware(aru);
+ if (err) {
+ err = ar9170_echo_test(&aru->common, 0x60d43110);
+ if (err) {
+ /* force user invention, by disabling the device */
+ err = usb_driver_set_configuration(aru->udev, -1);
+ dev_err(&aru->udev->dev, "device is in a bad state. "
+ "please reconnect it!\n");
+ goto err_unrx;
+ }
+ }
+
+ err = ar9170_usb_open(ar);
+ if (err)
+ goto err_unrx;
+
+ err = ar9170_register(ar, &udev->dev);
+
+ ar9170_usb_stop(ar);
+ if (err)
+ goto err_unrx;
+
+ return 0;
+
+err_unrx:
+ ar9170_usb_cancel_urbs(aru);
+
+err_freefw:
+ release_firmware(aru->init_values);
+ release_firmware(aru->firmware);
+
+err_unlock:
+ usb_set_intfdata(intf, NULL);
+ usb_put_dev(udev);
+ ieee80211_free_hw(ar->hw);
+out:
+ return err;
+}
+
+static void ar9170_usb_disconnect(struct usb_interface *intf)
+{
+ struct ar9170_usb *aru = usb_get_intfdata(intf);
+
+ if (!aru)
+ return;
+
+ aru->common.state = AR9170_IDLE;
+ ar9170_unregister(&aru->common);
+ ar9170_usb_cancel_urbs(aru);
+
+ release_firmware(aru->init_values);
+ release_firmware(aru->firmware);
+
+ usb_put_dev(aru->udev);
+ usb_set_intfdata(intf, NULL);
+ ieee80211_free_hw(aru->common.hw);
+}
+
+static struct usb_driver ar9170_driver = {
+ .name = "ar9170usb",
+ .probe = ar9170_usb_probe,
+ .disconnect = ar9170_usb_disconnect,
+ .id_table = ar9170_usb_ids,
+ .soft_unbind = 1,
+};
+
+static int __init ar9170_init(void)
+{
+ return usb_register(&ar9170_driver);
+}
+
+static void __exit ar9170_exit(void)
+{
+ usb_deregister(&ar9170_driver);
+}
+
+module_init(ar9170_init);
+module_exit(ar9170_exit);
diff --git a/drivers/net/wireless/ar9170/usb.h b/drivers/net/wireless/ar9170/usb.h
new file mode 100644
index 00000000000..f5852924cd6
--- /dev/null
+++ b/drivers/net/wireless/ar9170/usb.h
@@ -0,0 +1,74 @@
+/*
+ * Atheros AR9170 USB driver
+ *
+ * Driver specific definitions
+ *
+ * Copyright 2008, Johannes Berg <johannes@sipsolutions.net>
+ * Copyright 2009, Christian Lamparter <chunkeey@web.de>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; see the file COPYING. If not, see
+ * http://www.gnu.org/licenses/.
+ *
+ * This file incorporates work covered by the following copyright and
+ * permission notice:
+ * Copyright (c) 2007-2008 Atheros Communications, Inc.
+ *
+ * Permission to use, copy, modify, and/or distribute this software for any
+ * purpose with or without fee is hereby granted, provided that the above
+ * copyright notice and this permission notice appear in all copies.
+ *
+ * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
+ * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
+ * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
+ * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
+ * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
+ * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
+ * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
+ */
+#ifndef __USB_H
+#define __USB_H
+
+#include <linux/usb.h>
+#include <linux/completion.h>
+#include <linux/spinlock.h>
+#include <linux/leds.h>
+#include <net/wireless.h>
+#include <net/mac80211.h>
+#include <linux/firmware.h>
+#include "eeprom.h"
+#include "hw.h"
+#include "ar9170.h"
+
+#define AR9170_NUM_RX_URBS 16
+
+struct firmware;
+
+struct ar9170_usb {
+ struct ar9170 common;
+ struct usb_device *udev;
+ struct usb_interface *intf;
+
+ struct usb_anchor rx_submitted;
+ struct usb_anchor tx_submitted;
+
+ spinlock_t cmdlock;
+ struct completion cmd_wait;
+ int readlen;
+ u8 *readbuf;
+
+ const struct firmware *init_values;
+ const struct firmware *firmware;
+};
+
+#endif /* __USB_H */
diff --git a/drivers/net/wireless/arlan-main.c b/drivers/net/wireless/arlan-main.c
index 14c11656e82..a54a67c425c 100644
--- a/drivers/net/wireless/arlan-main.c
+++ b/drivers/net/wireless/arlan-main.c
@@ -1030,7 +1030,17 @@ static int arlan_mac_addr(struct net_device *dev, void *p)
return 0;
}
-
+static const struct net_device_ops arlan_netdev_ops = {
+ .ndo_open = arlan_open,
+ .ndo_stop = arlan_close,
+ .ndo_start_xmit = arlan_tx,
+ .ndo_get_stats = arlan_statistics,
+ .ndo_set_multicast_list = arlan_set_multicast,
+ .ndo_change_mtu = arlan_change_mtu,
+ .ndo_set_mac_address = arlan_mac_addr,
+ .ndo_tx_timeout = arlan_tx_timeout,
+ .ndo_validate_addr = eth_validate_addr,
+};
static int __init arlan_setup_device(struct net_device *dev, int num)
{
@@ -1042,14 +1052,7 @@ static int __init arlan_setup_device(struct net_device *dev, int num)
ap->conf = (struct arlan_shmem *)(ap+1);
dev->tx_queue_len = tx_queue_len;
- dev->open = arlan_open;
- dev->stop = arlan_close;
- dev->hard_start_xmit = arlan_tx;
- dev->get_stats = arlan_statistics;
- dev->set_multicast_list = arlan_set_multicast;
- dev->change_mtu = arlan_change_mtu;
- dev->set_mac_address = arlan_mac_addr;
- dev->tx_timeout = arlan_tx_timeout;
+ dev->netdev_ops = &arlan_netdev_ops;
dev->watchdog_timeo = 3*HZ;
ap->irq_test_done = 0;
diff --git a/drivers/net/wireless/ath5k/ath5k.h b/drivers/net/wireless/ath5k/ath5k.h
index 0dc2c7321c8..0b616e72fe0 100644
--- a/drivers/net/wireless/ath5k/ath5k.h
+++ b/drivers/net/wireless/ath5k/ath5k.h
@@ -204,9 +204,9 @@
#define AR5K_TUNE_CWMAX_11B 1023
#define AR5K_TUNE_CWMAX_XR 7
#define AR5K_TUNE_NOISE_FLOOR -72
-#define AR5K_TUNE_MAX_TXPOWER 60
-#define AR5K_TUNE_DEFAULT_TXPOWER 30
-#define AR5K_TUNE_TPC_TXPOWER true
+#define AR5K_TUNE_MAX_TXPOWER 63
+#define AR5K_TUNE_DEFAULT_TXPOWER 25
+#define AR5K_TUNE_TPC_TXPOWER false
#define AR5K_TUNE_ANT_DIVERSITY true
#define AR5K_TUNE_HWTXTRIES 4
@@ -551,11 +551,11 @@ enum ath5k_pkt_type {
*/
#define AR5K_TXPOWER_OFDM(_r, _v) ( \
((0 & 1) << ((_v) + 6)) | \
- (((ah->ah_txpower.txp_rates[(_r)]) & 0x3f) << (_v)) \
+ (((ah->ah_txpower.txp_rates_power_table[(_r)]) & 0x3f) << (_v)) \
)
#define AR5K_TXPOWER_CCK(_r, _v) ( \
- (ah->ah_txpower.txp_rates[(_r)] & 0x3f) << (_v) \
+ (ah->ah_txpower.txp_rates_power_table[(_r)] & 0x3f) << (_v) \
)
/*
@@ -1085,13 +1085,25 @@ struct ath5k_hw {
struct ath5k_gain ah_gain;
u8 ah_offset[AR5K_MAX_RF_BANKS];
+
struct {
- u16 txp_pcdac[AR5K_EEPROM_POWER_TABLE_SIZE];
- u16 txp_rates[AR5K_MAX_RATES];
- s16 txp_min;
- s16 txp_max;
+ /* Temporary tables used for interpolation */
+ u8 tmpL[AR5K_EEPROM_N_PD_GAINS]
+ [AR5K_EEPROM_POWER_TABLE_SIZE];
+ u8 tmpR[AR5K_EEPROM_N_PD_GAINS]
+ [AR5K_EEPROM_POWER_TABLE_SIZE];
+ u8 txp_pd_table[AR5K_EEPROM_POWER_TABLE_SIZE * 2];
+ u16 txp_rates_power_table[AR5K_MAX_RATES];
+ u8 txp_min_idx;
bool txp_tpc;
+ /* Values in 0.25dB units */
+ s16 txp_min_pwr;
+ s16 txp_max_pwr;
+ s16 txp_offset;
s16 txp_ofdm;
+ /* Values in dB units */
+ s16 txp_cck_ofdm_pwr_delta;
+ s16 txp_cck_ofdm_gainf_delta;
} ah_txpower;
struct {
@@ -1161,6 +1173,7 @@ extern void ath5k_hw_update_mib_counters(struct ath5k_hw *ah, struct ieee80211_l
/* EEPROM access functions */
extern int ath5k_eeprom_init(struct ath5k_hw *ah);
+extern void ath5k_eeprom_detach(struct ath5k_hw *ah);
extern int ath5k_eeprom_read_mac(struct ath5k_hw *ah, u8 *mac);
extern bool ath5k_eeprom_is_hb63(struct ath5k_hw *ah);
@@ -1256,8 +1269,8 @@ extern void ath5k_hw_set_def_antenna(struct ath5k_hw *ah, unsigned int ant);
extern unsigned int ath5k_hw_get_def_antenna(struct ath5k_hw *ah);
extern int ath5k_hw_phy_disable(struct ath5k_hw *ah);
/* TX power setup */
-extern int ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel, unsigned int txpower);
-extern int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, unsigned int power);
+extern int ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel, u8 ee_mode, u8 txpower);
+extern int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, u8 ee_mode, u8 txpower);
/*
* Functions used internaly
diff --git a/drivers/net/wireless/ath5k/attach.c b/drivers/net/wireless/ath5k/attach.c
index 656cb9dc833..70d376c63aa 100644
--- a/drivers/net/wireless/ath5k/attach.c
+++ b/drivers/net/wireless/ath5k/attach.c
@@ -341,6 +341,8 @@ void ath5k_hw_detach(struct ath5k_hw *ah)
if (ah->ah_rf_banks != NULL)
kfree(ah->ah_rf_banks);
+ ath5k_eeprom_detach(ah);
+
/* assume interrupts are down */
kfree(ah);
}
diff --git a/drivers/net/wireless/ath5k/base.c b/drivers/net/wireless/ath5k/base.c
index cad3ccf61b0..5d57d774e46 100644
--- a/drivers/net/wireless/ath5k/base.c
+++ b/drivers/net/wireless/ath5k/base.c
@@ -685,13 +685,6 @@ ath5k_pci_resume(struct pci_dev *pdev)
if (err)
return err;
- /*
- * Suspend/Resume resets the PCI configuration space, so we have to
- * re-disable the RETRY_TIMEOUT register (0x41) to keep
- * PCI Tx retries from interfering with C3 CPU state
- */
- pci_write_config_byte(pdev, 0x41, 0);
-
err = request_irq(pdev->irq, ath5k_intr, IRQF_SHARED, "ath", sc);
if (err) {
ATH5K_ERR(sc, "request_irq failed\n");
@@ -1095,9 +1088,18 @@ ath5k_mode_setup(struct ath5k_softc *sc)
static inline int
ath5k_hw_to_driver_rix(struct ath5k_softc *sc, int hw_rix)
{
- WARN(hw_rix < 0 || hw_rix >= AR5K_MAX_RATES,
- "hw_rix out of bounds: %x\n", hw_rix);
- return sc->rate_idx[sc->curband->band][hw_rix];
+ int rix;
+
+ /* return base rate on errors */
+ if (WARN(hw_rix < 0 || hw_rix >= AR5K_MAX_RATES,
+ "hw_rix out of bounds: %x\n", hw_rix))
+ return 0;
+
+ rix = sc->rate_idx[sc->curband->band][hw_rix];
+ if (WARN(rix < 0, "invalid hw_rix: %x\n", hw_rix))
+ rix = 0;
+
+ return rix;
}
/***************\
@@ -1216,6 +1218,9 @@ ath5k_txbuf_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
pktlen = skb->len;
+ /* FIXME: If we are in g mode and rate is a CCK rate
+ * subtract ah->ah_txpower.txp_cck_ofdm_pwr_delta
+ * from tx power (value is in dB units already) */
if (info->control.hw_key) {
keyidx = info->control.hw_key->hw_key_idx;
pktlen += info->control.hw_key->icv_len;
@@ -2044,6 +2049,9 @@ ath5k_beacon_setup(struct ath5k_softc *sc, struct ath5k_buf *bf)
antenna = sc->bsent & 4 ? 2 : 1;
}
+ /* FIXME: If we are in g mode and rate is a CCK rate
+ * subtract ah->ah_txpower.txp_cck_ofdm_pwr_delta
+ * from tx power (value is in dB units already) */
ds->ds_data = bf->skbaddr;
ret = ah->ah_setup_tx_desc(ah, ds, skb->len,
ieee80211_get_hdrlen_from_skb(skb),
@@ -2305,7 +2313,7 @@ ath5k_init(struct ath5k_softc *sc)
sc->curband = &sc->sbands[sc->curchan->band];
sc->imask = AR5K_INT_RXOK | AR5K_INT_RXERR | AR5K_INT_RXEOL |
AR5K_INT_RXORN | AR5K_INT_TXDESC | AR5K_INT_TXEOL |
- AR5K_INT_FATAL | AR5K_INT_GLOBAL | AR5K_INT_MIB;
+ AR5K_INT_FATAL | AR5K_INT_GLOBAL;
ret = ath5k_reset(sc, false, false);
if (ret)
goto done;
@@ -2554,7 +2562,7 @@ ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
if (skb_headroom(skb) < padsize) {
ATH5K_ERR(sc, "tx hdrlen not %%4: %d not enough"
" headroom to pad %d\n", hdrlen, padsize);
- return NETDEV_TX_BUSY;
+ goto drop_packet;
}
skb_push(skb, padsize);
memmove(skb->data, skb->data+padsize, hdrlen);
@@ -2565,7 +2573,7 @@ ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
ATH5K_ERR(sc, "no further txbuf available, dropping packet\n");
spin_unlock_irqrestore(&sc->txbuflock, flags);
ieee80211_stop_queue(hw, skb_get_queue_mapping(skb));
- return NETDEV_TX_BUSY;
+ goto drop_packet;
}
bf = list_first_entry(&sc->txbuf, struct ath5k_buf, list);
list_del(&bf->list);
@@ -2582,10 +2590,12 @@ ath5k_tx(struct ieee80211_hw *hw, struct sk_buff *skb)
list_add_tail(&bf->list, &sc->txbuf);
sc->txbuf_len++;
spin_unlock_irqrestore(&sc->txbuflock, flags);
- dev_kfree_skb_any(skb);
- return NETDEV_TX_OK;
+ goto drop_packet;
}
+ return NETDEV_TX_OK;
+drop_packet:
+ dev_kfree_skb_any(skb);
return NETDEV_TX_OK;
}
@@ -2608,12 +2618,6 @@ ath5k_reset(struct ath5k_softc *sc, bool stop, bool change_channel)
goto err;
}
- /*
- * This is needed only to setup initial state
- * but it's best done after a reset.
- */
- ath5k_hw_set_txpower_limit(sc->ah, 0);
-
ret = ath5k_rx_start(sc);
if (ret) {
ATH5K_ERR(sc, "can't start recv logic\n");
diff --git a/drivers/net/wireless/ath5k/base.h b/drivers/net/wireless/ath5k/base.h
index 20e0d14b41e..822956114cd 100644
--- a/drivers/net/wireless/ath5k/base.h
+++ b/drivers/net/wireless/ath5k/base.h
@@ -112,7 +112,7 @@ struct ath5k_softc {
struct ieee80211_supported_band sbands[IEEE80211_NUM_BANDS];
struct ieee80211_channel channels[ATH_CHAN_MAX];
struct ieee80211_rate rates[IEEE80211_NUM_BANDS][AR5K_MAX_RATES];
- u8 rate_idx[IEEE80211_NUM_BANDS][AR5K_MAX_RATES];
+ s8 rate_idx[IEEE80211_NUM_BANDS][AR5K_MAX_RATES];
enum nl80211_iftype opmode;
struct ath5k_hw *ah; /* Atheros HW */
diff --git a/drivers/net/wireless/ath5k/desc.c b/drivers/net/wireless/ath5k/desc.c
index b40a9287a39..dc30a2b70a6 100644
--- a/drivers/net/wireless/ath5k/desc.c
+++ b/drivers/net/wireless/ath5k/desc.c
@@ -194,6 +194,10 @@ static int ath5k_hw_setup_4word_tx_desc(struct ath5k_hw *ah,
return -EINVAL;
}
+ tx_power += ah->ah_txpower.txp_offset;
+ if (tx_power > AR5K_TUNE_MAX_TXPOWER)
+ tx_power = AR5K_TUNE_MAX_TXPOWER;
+
/* Clear descriptor */
memset(&desc->ud.ds_tx5212, 0, sizeof(struct ath5k_hw_5212_tx_desc));
diff --git a/drivers/net/wireless/ath5k/eeprom.c b/drivers/net/wireless/ath5k/eeprom.c
index ac45ca47ca8..c0fb3b09ba4 100644
--- a/drivers/net/wireless/ath5k/eeprom.c
+++ b/drivers/net/wireless/ath5k/eeprom.c
@@ -1,7 +1,7 @@
/*
* Copyright (c) 2004-2008 Reyk Floeter <reyk@openbsd.org>
- * Copyright (c) 2006-2008 Nick Kossifidis <mickflemm@gmail.com>
- * Copyright (c) 2008 Felix Fietkau <nbd@openwrt.org>
+ * Copyright (c) 2006-2009 Nick Kossifidis <mickflemm@gmail.com>
+ * Copyright (c) 2008-2009 Felix Fietkau <nbd@openwrt.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -98,11 +98,6 @@ ath5k_eeprom_init_header(struct ath5k_hw *ah)
int ret;
u16 val;
- /* Initial TX thermal adjustment values */
- ee->ee_tx_clip = 4;
- ee->ee_pwd_84 = ee->ee_pwd_90 = 1;
- ee->ee_gain_select = 1;
-
/*
* Read values from EEPROM and store them in the capability structure
*/
@@ -241,22 +236,22 @@ static int ath5k_eeprom_read_modes(struct ath5k_hw *ah, u32 *offset,
ee->ee_adc_desired_size[mode] = (s8)((val >> 8) & 0xff);
switch(mode) {
case AR5K_EEPROM_MODE_11A:
- ee->ee_ob[mode][3] = (val >> 5) & 0x7;
- ee->ee_db[mode][3] = (val >> 2) & 0x7;
- ee->ee_ob[mode][2] = (val << 1) & 0x7;
+ ee->ee_ob[mode][3] = (val >> 5) & 0x7;
+ ee->ee_db[mode][3] = (val >> 2) & 0x7;
+ ee->ee_ob[mode][2] = (val << 1) & 0x7;
AR5K_EEPROM_READ(o++, val);
- ee->ee_ob[mode][2] |= (val >> 15) & 0x1;
- ee->ee_db[mode][2] = (val >> 12) & 0x7;
- ee->ee_ob[mode][1] = (val >> 9) & 0x7;
- ee->ee_db[mode][1] = (val >> 6) & 0x7;
- ee->ee_ob[mode][0] = (val >> 3) & 0x7;
- ee->ee_db[mode][0] = val & 0x7;
+ ee->ee_ob[mode][2] |= (val >> 15) & 0x1;
+ ee->ee_db[mode][2] = (val >> 12) & 0x7;
+ ee->ee_ob[mode][1] = (val >> 9) & 0x7;
+ ee->ee_db[mode][1] = (val >> 6) & 0x7;
+ ee->ee_ob[mode][0] = (val >> 3) & 0x7;
+ ee->ee_db[mode][0] = val & 0x7;
break;
case AR5K_EEPROM_MODE_11G:
case AR5K_EEPROM_MODE_11B:
- ee->ee_ob[mode][1] = (val >> 4) & 0x7;
- ee->ee_db[mode][1] = val & 0x7;
+ ee->ee_ob[mode][1] = (val >> 4) & 0x7;
+ ee->ee_db[mode][1] = val & 0x7;
break;
}
@@ -504,35 +499,6 @@ ath5k_eeprom_init_modes(struct ath5k_hw *ah)
return 0;
}
-/* Used to match PCDAC steps with power values on RF5111 chips
- * (eeprom versions < 4). For RF5111 we have 10 pre-defined PCDAC
- * steps that match with the power values we read from eeprom. On
- * older eeprom versions (< 3.2) these steps are equaly spaced at
- * 10% of the pcdac curve -until the curve reaches it's maximum-
- * (10 steps from 0 to 100%) but on newer eeprom versions (>= 3.2)
- * these 10 steps are spaced in a different way. This function returns
- * the pcdac steps based on eeprom version and curve min/max so that we
- * can have pcdac/pwr points.
- */
-static inline void
-ath5k_get_pcdac_intercepts(struct ath5k_hw *ah, u8 min, u8 max, u8 *vp)
-{
- static const u16 intercepts3[] =
- { 0, 5, 10, 20, 30, 50, 70, 85, 90, 95, 100 };
- static const u16 intercepts3_2[] =
- { 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 };
- const u16 *ip;
- int i;
-
- if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_3_2)
- ip = intercepts3_2;
- else
- ip = intercepts3;
-
- for (i = 0; i < ARRAY_SIZE(intercepts3); i++)
- *vp++ = (ip[i] * max + (100 - ip[i]) * min) / 100;
-}
-
/* Read the frequency piers for each mode (mostly used on newer eeproms with 0xff
* frequency mask) */
static inline int
@@ -546,26 +512,25 @@ ath5k_eeprom_read_freq_list(struct ath5k_hw *ah, int *offset, int max,
int ret;
u16 val;
+ ee->ee_n_piers[mode] = 0;
while(i < max) {
AR5K_EEPROM_READ(o++, val);
- freq1 = (val >> 8) & 0xff;
- freq2 = val & 0xff;
-
- if (freq1) {
- pc[i++].freq = ath5k_eeprom_bin2freq(ee,
- freq1, mode);
- ee->ee_n_piers[mode]++;
- }
+ freq1 = val & 0xff;
+ if (!freq1)
+ break;
- if (freq2) {
- pc[i++].freq = ath5k_eeprom_bin2freq(ee,
- freq2, mode);
- ee->ee_n_piers[mode]++;
- }
+ pc[i++].freq = ath5k_eeprom_bin2freq(ee,
+ freq1, mode);
+ ee->ee_n_piers[mode]++;
- if (!freq1 || !freq2)
+ freq2 = (val >> 8) & 0xff;
+ if (!freq2)
break;
+
+ pc[i++].freq = ath5k_eeprom_bin2freq(ee,
+ freq2, mode);
+ ee->ee_n_piers[mode]++;
}
/* return new offset */
@@ -652,13 +617,122 @@ ath5k_eeprom_init_11bg_2413(struct ath5k_hw *ah, unsigned int mode, int offset)
return 0;
}
-/* Read power calibration for RF5111 chips
+/*
+ * Read power calibration for RF5111 chips
+ *
* For RF5111 we have an XPD -eXternal Power Detector- curve
- * for each calibrated channel. Each curve has PCDAC steps on
- * x axis and power on y axis and looks like a logarithmic
- * function. To recreate the curve and pass the power values
- * on the pcdac table, we read 10 points here and interpolate later.
+ * for each calibrated channel. Each curve has 0,5dB Power steps
+ * on x axis and PCDAC steps (offsets) on y axis and looks like an
+ * exponential function. To recreate the curve we read 11 points
+ * here and interpolate later.
*/
+
+/* Used to match PCDAC steps with power values on RF5111 chips
+ * (eeprom versions < 4). For RF5111 we have 11 pre-defined PCDAC
+ * steps that match with the power values we read from eeprom. On
+ * older eeprom versions (< 3.2) these steps are equaly spaced at
+ * 10% of the pcdac curve -until the curve reaches it's maximum-
+ * (11 steps from 0 to 100%) but on newer eeprom versions (>= 3.2)
+ * these 11 steps are spaced in a different way. This function returns
+ * the pcdac steps based on eeprom version and curve min/max so that we
+ * can have pcdac/pwr points.
+ */
+static inline void
+ath5k_get_pcdac_intercepts(struct ath5k_hw *ah, u8 min, u8 max, u8 *vp)
+{
+ const static u16 intercepts3[] =
+ { 0, 5, 10, 20, 30, 50, 70, 85, 90, 95, 100 };
+ const static u16 intercepts3_2[] =
+ { 0, 10, 20, 30, 40, 50, 60, 70, 80, 90, 100 };
+ const u16 *ip;
+ int i;
+
+ if (ah->ah_ee_version >= AR5K_EEPROM_VERSION_3_2)
+ ip = intercepts3_2;
+ else
+ ip = intercepts3;
+
+ for (i = 0; i < ARRAY_SIZE(intercepts3); i++)
+ vp[i] = (ip[i] * max + (100 - ip[i]) * min) / 100;
+}
+
+/* Convert RF5111 specific data to generic raw data
+ * used by interpolation code */
+static int
+ath5k_eeprom_convert_pcal_info_5111(struct ath5k_hw *ah, int mode,
+ struct ath5k_chan_pcal_info *chinfo)
+{
+ struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
+ struct ath5k_chan_pcal_info_rf5111 *pcinfo;
+ struct ath5k_pdgain_info *pd;
+ u8 pier, point, idx;
+ u8 *pdgain_idx = ee->ee_pdc_to_idx[mode];
+
+ /* Fill raw data for each calibration pier */
+ for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) {
+
+ pcinfo = &chinfo[pier].rf5111_info;
+
+ /* Allocate pd_curves for this cal pier */
+ chinfo[pier].pd_curves =
+ kcalloc(AR5K_EEPROM_N_PD_CURVES,
+ sizeof(struct ath5k_pdgain_info),
+ GFP_KERNEL);
+
+ if (!chinfo[pier].pd_curves)
+ return -ENOMEM;
+
+ /* Only one curve for RF5111
+ * find out which one and place
+ * in in pd_curves.
+ * Note: ee_x_gain is reversed here */
+ for (idx = 0; idx < AR5K_EEPROM_N_PD_CURVES; idx++) {
+
+ if (!((ee->ee_x_gain[mode] >> idx) & 0x1)) {
+ pdgain_idx[0] = idx;
+ break;
+ }
+ }
+
+ ee->ee_pd_gains[mode] = 1;
+
+ pd = &chinfo[pier].pd_curves[idx];
+
+ pd->pd_points = AR5K_EEPROM_N_PWR_POINTS_5111;
+
+ /* Allocate pd points for this curve */
+ pd->pd_step = kcalloc(AR5K_EEPROM_N_PWR_POINTS_5111,
+ sizeof(u8), GFP_KERNEL);
+ if (!pd->pd_step)
+ return -ENOMEM;
+
+ pd->pd_pwr = kcalloc(AR5K_EEPROM_N_PWR_POINTS_5111,
+ sizeof(s16), GFP_KERNEL);
+ if (!pd->pd_pwr)
+ return -ENOMEM;
+
+ /* Fill raw dataset
+ * (convert power to 0.25dB units
+ * for RF5112 combatibility) */
+ for (point = 0; point < pd->pd_points; point++) {
+
+ /* Absolute values */
+ pd->pd_pwr[point] = 2 * pcinfo->pwr[point];
+
+ /* Already sorted */
+ pd->pd_step[point] = pcinfo->pcdac[point];
+ }
+
+ /* Set min/max pwr */
+ chinfo[pier].min_pwr = pd->pd_pwr[0];
+ chinfo[pier].max_pwr = pd->pd_pwr[10];
+
+ }
+
+ return 0;
+}
+
+/* Parse EEPROM data */
static int
ath5k_eeprom_read_pcal_info_5111(struct ath5k_hw *ah, int mode)
{
@@ -747,30 +821,165 @@ ath5k_eeprom_read_pcal_info_5111(struct ath5k_hw *ah, int mode)
cdata->pcdac_max, cdata->pcdac);
}
- return 0;
+ return ath5k_eeprom_convert_pcal_info_5111(ah, mode, pcal);
}
-/* Read power calibration for RF5112 chips
+
+/*
+ * Read power calibration for RF5112 chips
+ *
* For RF5112 we have 4 XPD -eXternal Power Detector- curves
* for each calibrated channel on 0, -6, -12 and -18dbm but we only
- * use the higher (3) and the lower (0) curves. Each curve has PCDAC
- * steps on x axis and power on y axis and looks like a linear
- * function. To recreate the curve and pass the power values
- * on the pcdac table, we read 4 points for xpd 0 and 3 points
- * for xpd 3 here and interpolate later.
+ * use the higher (3) and the lower (0) curves. Each curve has 0.5dB
+ * power steps on x axis and PCDAC steps on y axis and looks like a
+ * linear function. To recreate the curve and pass the power values
+ * on hw, we read 4 points for xpd 0 (lower gain -> max power)
+ * and 3 points for xpd 3 (higher gain -> lower power) here and
+ * interpolate later.
*
* Note: Many vendors just use xpd 0 so xpd 3 is zeroed.
*/
+
+/* Convert RF5112 specific data to generic raw data
+ * used by interpolation code */
+static int
+ath5k_eeprom_convert_pcal_info_5112(struct ath5k_hw *ah, int mode,
+ struct ath5k_chan_pcal_info *chinfo)
+{
+ struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
+ struct ath5k_chan_pcal_info_rf5112 *pcinfo;
+ u8 *pdgain_idx = ee->ee_pdc_to_idx[mode];
+ unsigned int pier, pdg, point;
+
+ /* Fill raw data for each calibration pier */
+ for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) {
+
+ pcinfo = &chinfo[pier].rf5112_info;
+
+ /* Allocate pd_curves for this cal pier */
+ chinfo[pier].pd_curves =
+ kcalloc(AR5K_EEPROM_N_PD_CURVES,
+ sizeof(struct ath5k_pdgain_info),
+ GFP_KERNEL);
+
+ if (!chinfo[pier].pd_curves)
+ return -ENOMEM;
+
+ /* Fill pd_curves */
+ for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) {
+
+ u8 idx = pdgain_idx[pdg];
+ struct ath5k_pdgain_info *pd =
+ &chinfo[pier].pd_curves[idx];
+
+ /* Lowest gain curve (max power) */
+ if (pdg == 0) {
+ /* One more point for better accuracy */
+ pd->pd_points = AR5K_EEPROM_N_XPD0_POINTS;
+
+ /* Allocate pd points for this curve */
+ pd->pd_step = kcalloc(pd->pd_points,
+ sizeof(u8), GFP_KERNEL);
+
+ if (!pd->pd_step)
+ return -ENOMEM;
+
+ pd->pd_pwr = kcalloc(pd->pd_points,
+ sizeof(s16), GFP_KERNEL);
+
+ if (!pd->pd_pwr)
+ return -ENOMEM;
+
+
+ /* Fill raw dataset
+ * (all power levels are in 0.25dB units) */
+ pd->pd_step[0] = pcinfo->pcdac_x0[0];
+ pd->pd_pwr[0] = pcinfo->pwr_x0[0];
+
+ for (point = 1; point < pd->pd_points;
+ point++) {
+ /* Absolute values */
+ pd->pd_pwr[point] =
+ pcinfo->pwr_x0[point];
+
+ /* Deltas */
+ pd->pd_step[point] =
+ pd->pd_step[point - 1] +
+ pcinfo->pcdac_x0[point];
+ }
+
+ /* Set min power for this frequency */
+ chinfo[pier].min_pwr = pd->pd_pwr[0];
+
+ /* Highest gain curve (min power) */
+ } else if (pdg == 1) {
+
+ pd->pd_points = AR5K_EEPROM_N_XPD3_POINTS;
+
+ /* Allocate pd points for this curve */
+ pd->pd_step = kcalloc(pd->pd_points,
+ sizeof(u8), GFP_KERNEL);
+
+ if (!pd->pd_step)
+ return -ENOMEM;
+
+ pd->pd_pwr = kcalloc(pd->pd_points,
+ sizeof(s16), GFP_KERNEL);
+
+ if (!pd->pd_pwr)
+ return -ENOMEM;
+
+ /* Fill raw dataset
+ * (all power levels are in 0.25dB units) */
+ for (point = 0; point < pd->pd_points;
+ point++) {
+ /* Absolute values */
+ pd->pd_pwr[point] =
+ pcinfo->pwr_x3[point];
+
+ /* Fixed points */
+ pd->pd_step[point] =
+ pcinfo->pcdac_x3[point];
+ }
+
+ /* Since we have a higher gain curve
+ * override min power */
+ chinfo[pier].min_pwr = pd->pd_pwr[0];
+ }
+ }
+ }
+
+ return 0;
+}
+
+/* Parse EEPROM data */
static int
ath5k_eeprom_read_pcal_info_5112(struct ath5k_hw *ah, int mode)
{
struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
struct ath5k_chan_pcal_info_rf5112 *chan_pcal_info;
struct ath5k_chan_pcal_info *gen_chan_info;
+ u8 *pdgain_idx = ee->ee_pdc_to_idx[mode];
u32 offset;
- unsigned int i, c;
+ u8 i, c;
u16 val;
int ret;
+ u8 pd_gains = 0;
+
+ /* Count how many curves we have and
+ * identify them (which one of the 4
+ * available curves we have on each count).
+ * Curves are stored from lower (x0) to
+ * higher (x3) gain */
+ for (i = 0; i < AR5K_EEPROM_N_PD_CURVES; i++) {
+ /* ee_x_gain[mode] is x gain mask */
+ if ((ee->ee_x_gain[mode] >> i) & 0x1)
+ pdgain_idx[pd_gains++] = i;
+ }
+ ee->ee_pd_gains[mode] = pd_gains;
+
+ if (pd_gains == 0 || pd_gains > 2)
+ return -EINVAL;
switch (mode) {
case AR5K_EEPROM_MODE_11A:
@@ -808,13 +1017,13 @@ ath5k_eeprom_read_pcal_info_5112(struct ath5k_hw *ah, int mode)
for (i = 0; i < ee->ee_n_piers[mode]; i++) {
chan_pcal_info = &gen_chan_info[i].rf5112_info;
- /* Power values in dBm * 4
+ /* Power values in quarter dB
* for the lower xpd gain curve
* (0 dBm -> higher output power) */
for (c = 0; c < AR5K_EEPROM_N_XPD0_POINTS; c++) {
AR5K_EEPROM_READ(offset++, val);
- chan_pcal_info->pwr_x0[c] = (val & 0xff);
- chan_pcal_info->pwr_x0[++c] = ((val >> 8) & 0xff);
+ chan_pcal_info->pwr_x0[c] = (s8) (val & 0xff);
+ chan_pcal_info->pwr_x0[++c] = (s8) ((val >> 8) & 0xff);
}
/* PCDAC steps
@@ -825,12 +1034,12 @@ ath5k_eeprom_read_pcal_info_5112(struct ath5k_hw *ah, int mode)
chan_pcal_info->pcdac_x0[2] = ((val >> 5) & 0x1f);
chan_pcal_info->pcdac_x0[3] = ((val >> 10) & 0x1f);
- /* Power values in dBm * 4
+ /* Power values in quarter dB
* for the higher xpd gain curve
* (18 dBm -> lower output power) */
AR5K_EEPROM_READ(offset++, val);
- chan_pcal_info->pwr_x3[0] = (val & 0xff);
- chan_pcal_info->pwr_x3[1] = ((val >> 8) & 0xff);
+ chan_pcal_info->pwr_x3[0] = (s8) (val & 0xff);
+ chan_pcal_info->pwr_x3[1] = (s8) ((val >> 8) & 0xff);
AR5K_EEPROM_READ(offset++, val);
chan_pcal_info->pwr_x3[2] = (val & 0xff);
@@ -843,24 +1052,36 @@ ath5k_eeprom_read_pcal_info_5112(struct ath5k_hw *ah, int mode)
chan_pcal_info->pcdac_x3[2] = 63;
if (ee->ee_version >= AR5K_EEPROM_VERSION_4_3) {
- chan_pcal_info->pcdac_x0[0] = ((val >> 8) & 0xff);
+ chan_pcal_info->pcdac_x0[0] = ((val >> 8) & 0x3f);
/* Last xpd0 power level is also channel maximum */
gen_chan_info[i].max_pwr = chan_pcal_info->pwr_x0[3];
} else {
chan_pcal_info->pcdac_x0[0] = 1;
- gen_chan_info[i].max_pwr = ((val >> 8) & 0xff);
+ gen_chan_info[i].max_pwr = (s8) ((val >> 8) & 0xff);
}
- /* Recreate pcdac_x0 table for this channel using pcdac steps */
- chan_pcal_info->pcdac_x0[1] += chan_pcal_info->pcdac_x0[0];
- chan_pcal_info->pcdac_x0[2] += chan_pcal_info->pcdac_x0[1];
- chan_pcal_info->pcdac_x0[3] += chan_pcal_info->pcdac_x0[2];
}
- return 0;
+ return ath5k_eeprom_convert_pcal_info_5112(ah, mode, gen_chan_info);
}
+
+/*
+ * Read power calibration for RF2413 chips
+ *
+ * For RF2413 we have a Power to PDDAC table (Power Detector)
+ * instead of a PCDAC and 4 pd gain curves for each calibrated channel.
+ * Each curve has power on x axis in 0.5 db steps and PDDADC steps on y
+ * axis and looks like an exponential function like the RF5111 curve.
+ *
+ * To recreate the curves we read here the points and interpolate
+ * later. Note that in most cases only 2 (higher and lower) curves are
+ * used (like RF5112) but vendors have the oportunity to include all
+ * 4 curves on eeprom. The final curve (higher power) has an extra
+ * point for better accuracy like RF5112.
+ */
+
/* For RF2413 power calibration data doesn't start on a fixed location and
* if a mode is not supported, it's section is missing -not zeroed-.
* So we need to calculate the starting offset for each section by using
@@ -890,13 +1111,15 @@ ath5k_cal_data_offset_2413(struct ath5k_eeprom_info *ee, int mode)
switch(mode) {
case AR5K_EEPROM_MODE_11G:
if (AR5K_EEPROM_HDR_11B(ee->ee_header))
- offset += ath5k_pdgains_size_2413(ee, AR5K_EEPROM_MODE_11B) +
- AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2;
+ offset += ath5k_pdgains_size_2413(ee,
+ AR5K_EEPROM_MODE_11B) +
+ AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2;
/* fall through */
case AR5K_EEPROM_MODE_11B:
if (AR5K_EEPROM_HDR_11A(ee->ee_header))
- offset += ath5k_pdgains_size_2413(ee, AR5K_EEPROM_MODE_11A) +
- AR5K_EEPROM_N_5GHZ_CHAN / 2;
+ offset += ath5k_pdgains_size_2413(ee,
+ AR5K_EEPROM_MODE_11A) +
+ AR5K_EEPROM_N_5GHZ_CHAN / 2;
/* fall through */
case AR5K_EEPROM_MODE_11A:
break;
@@ -907,37 +1130,118 @@ ath5k_cal_data_offset_2413(struct ath5k_eeprom_info *ee, int mode)
return offset;
}
-/* Read power calibration for RF2413 chips
- * For RF2413 we have a PDDAC table (Power Detector) instead
- * of a PCDAC and 4 pd gain curves for each calibrated channel.
- * Each curve has PDDAC steps on x axis and power on y axis and
- * looks like an exponential function. To recreate the curves
- * we read here the points and interpolate later. Note that
- * in most cases only higher and lower curves are used (like
- * RF5112) but vendors have the oportunity to include all 4
- * curves on eeprom. The final curve (higher power) has an extra
- * point for better accuracy like RF5112.
- */
+/* Convert RF2413 specific data to generic raw data
+ * used by interpolation code */
+static int
+ath5k_eeprom_convert_pcal_info_2413(struct ath5k_hw *ah, int mode,
+ struct ath5k_chan_pcal_info *chinfo)
+{
+ struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
+ struct ath5k_chan_pcal_info_rf2413 *pcinfo;
+ u8 *pdgain_idx = ee->ee_pdc_to_idx[mode];
+ unsigned int pier, pdg, point;
+
+ /* Fill raw data for each calibration pier */
+ for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) {
+
+ pcinfo = &chinfo[pier].rf2413_info;
+
+ /* Allocate pd_curves for this cal pier */
+ chinfo[pier].pd_curves =
+ kcalloc(AR5K_EEPROM_N_PD_CURVES,
+ sizeof(struct ath5k_pdgain_info),
+ GFP_KERNEL);
+
+ if (!chinfo[pier].pd_curves)
+ return -ENOMEM;
+
+ /* Fill pd_curves */
+ for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) {
+
+ u8 idx = pdgain_idx[pdg];
+ struct ath5k_pdgain_info *pd =
+ &chinfo[pier].pd_curves[idx];
+
+ /* One more point for the highest power
+ * curve (lowest gain) */
+ if (pdg == ee->ee_pd_gains[mode] - 1)
+ pd->pd_points = AR5K_EEPROM_N_PD_POINTS;
+ else
+ pd->pd_points = AR5K_EEPROM_N_PD_POINTS - 1;
+
+ /* Allocate pd points for this curve */
+ pd->pd_step = kcalloc(pd->pd_points,
+ sizeof(u8), GFP_KERNEL);
+
+ if (!pd->pd_step)
+ return -ENOMEM;
+
+ pd->pd_pwr = kcalloc(pd->pd_points,
+ sizeof(s16), GFP_KERNEL);
+
+ if (!pd->pd_pwr)
+ return -ENOMEM;
+
+ /* Fill raw dataset
+ * convert all pwr levels to
+ * quarter dB for RF5112 combatibility */
+ pd->pd_step[0] = pcinfo->pddac_i[pdg];
+ pd->pd_pwr[0] = 4 * pcinfo->pwr_i[pdg];
+
+ for (point = 1; point < pd->pd_points; point++) {
+
+ pd->pd_pwr[point] = pd->pd_pwr[point - 1] +
+ 2 * pcinfo->pwr[pdg][point - 1];
+
+ pd->pd_step[point] = pd->pd_step[point - 1] +
+ pcinfo->pddac[pdg][point - 1];
+
+ }
+
+ /* Highest gain curve -> min power */
+ if (pdg == 0)
+ chinfo[pier].min_pwr = pd->pd_pwr[0];
+
+ /* Lowest gain curve -> max power */
+ if (pdg == ee->ee_pd_gains[mode] - 1)
+ chinfo[pier].max_pwr =
+ pd->pd_pwr[pd->pd_points - 1];
+ }
+ }
+
+ return 0;
+}
+
+/* Parse EEPROM data */
static int
ath5k_eeprom_read_pcal_info_2413(struct ath5k_hw *ah, int mode)
{
struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
- struct ath5k_chan_pcal_info_rf2413 *chan_pcal_info;
- struct ath5k_chan_pcal_info *gen_chan_info;
- unsigned int i, c;
+ struct ath5k_chan_pcal_info_rf2413 *pcinfo;
+ struct ath5k_chan_pcal_info *chinfo;
+ u8 *pdgain_idx = ee->ee_pdc_to_idx[mode];
u32 offset;
- int ret;
+ int idx, i, ret;
u16 val;
u8 pd_gains = 0;
- if (ee->ee_x_gain[mode] & 0x1) pd_gains++;
- if ((ee->ee_x_gain[mode] >> 1) & 0x1) pd_gains++;
- if ((ee->ee_x_gain[mode] >> 2) & 0x1) pd_gains++;
- if ((ee->ee_x_gain[mode] >> 3) & 0x1) pd_gains++;
+ /* Count how many curves we have and
+ * identify them (which one of the 4
+ * available curves we have on each count).
+ * Curves are stored from higher to
+ * lower gain so we go backwards */
+ for (idx = AR5K_EEPROM_N_PD_CURVES - 1; idx >= 0; idx--) {
+ /* ee_x_gain[mode] is x gain mask */
+ if ((ee->ee_x_gain[mode] >> idx) & 0x1)
+ pdgain_idx[pd_gains++] = idx;
+
+ }
ee->ee_pd_gains[mode] = pd_gains;
+ if (pd_gains == 0)
+ return -EINVAL;
+
offset = ath5k_cal_data_offset_2413(ee, mode);
- ee->ee_n_piers[mode] = 0;
switch (mode) {
case AR5K_EEPROM_MODE_11A:
if (!AR5K_EEPROM_HDR_11A(ee->ee_header))
@@ -945,7 +1249,7 @@ ath5k_eeprom_read_pcal_info_2413(struct ath5k_hw *ah, int mode)
ath5k_eeprom_init_11a_pcal_freq(ah, offset);
offset += AR5K_EEPROM_N_5GHZ_CHAN / 2;
- gen_chan_info = ee->ee_pwr_cal_a;
+ chinfo = ee->ee_pwr_cal_a;
break;
case AR5K_EEPROM_MODE_11B:
if (!AR5K_EEPROM_HDR_11B(ee->ee_header))
@@ -953,7 +1257,7 @@ ath5k_eeprom_read_pcal_info_2413(struct ath5k_hw *ah, int mode)
ath5k_eeprom_init_11bg_2413(ah, mode, offset);
offset += AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2;
- gen_chan_info = ee->ee_pwr_cal_b;
+ chinfo = ee->ee_pwr_cal_b;
break;
case AR5K_EEPROM_MODE_11G:
if (!AR5K_EEPROM_HDR_11G(ee->ee_header))
@@ -961,41 +1265,35 @@ ath5k_eeprom_read_pcal_info_2413(struct ath5k_hw *ah, int mode)
ath5k_eeprom_init_11bg_2413(ah, mode, offset);
offset += AR5K_EEPROM_N_2GHZ_CHAN_2413 / 2;
- gen_chan_info = ee->ee_pwr_cal_g;
+ chinfo = ee->ee_pwr_cal_g;
break;
default:
return -EINVAL;
}
- if (pd_gains == 0)
- return 0;
-
for (i = 0; i < ee->ee_n_piers[mode]; i++) {
- chan_pcal_info = &gen_chan_info[i].rf2413_info;
+ pcinfo = &chinfo[i].rf2413_info;
/*
* Read pwr_i, pddac_i and the first
* 2 pd points (pwr, pddac)
*/
AR5K_EEPROM_READ(offset++, val);
- chan_pcal_info->pwr_i[0] = val & 0x1f;
- chan_pcal_info->pddac_i[0] = (val >> 5) & 0x7f;
- chan_pcal_info->pwr[0][0] =
- (val >> 12) & 0xf;
+ pcinfo->pwr_i[0] = val & 0x1f;
+ pcinfo->pddac_i[0] = (val >> 5) & 0x7f;
+ pcinfo->pwr[0][0] = (val >> 12) & 0xf;
AR5K_EEPROM_READ(offset++, val);
- chan_pcal_info->pddac[0][0] = val & 0x3f;
- chan_pcal_info->pwr[0][1] = (val >> 6) & 0xf;
- chan_pcal_info->pddac[0][1] =
- (val >> 10) & 0x3f;
+ pcinfo->pddac[0][0] = val & 0x3f;
+ pcinfo->pwr[0][1] = (val >> 6) & 0xf;
+ pcinfo->pddac[0][1] = (val >> 10) & 0x3f;
AR5K_EEPROM_READ(offset++, val);
- chan_pcal_info->pwr[0][2] = val & 0xf;
- chan_pcal_info->pddac[0][2] =
- (val >> 4) & 0x3f;
+ pcinfo->pwr[0][2] = val & 0xf;
+ pcinfo->pddac[0][2] = (val >> 4) & 0x3f;
- chan_pcal_info->pwr[0][3] = 0;
- chan_pcal_info->pddac[0][3] = 0;
+ pcinfo->pwr[0][3] = 0;
+ pcinfo->pddac[0][3] = 0;
if (pd_gains > 1) {
/*
@@ -1003,44 +1301,36 @@ ath5k_eeprom_read_pcal_info_2413(struct ath5k_hw *ah, int mode)
* so it only has 2 pd points.
* Continue wih pd gain 1.
*/
- chan_pcal_info->pwr_i[1] = (val >> 10) & 0x1f;
+ pcinfo->pwr_i[1] = (val >> 10) & 0x1f;
- chan_pcal_info->pddac_i[1] = (val >> 15) & 0x1;
+ pcinfo->pddac_i[1] = (val >> 15) & 0x1;
AR5K_EEPROM_READ(offset++, val);
- chan_pcal_info->pddac_i[1] |= (val & 0x3F) << 1;
+ pcinfo->pddac_i[1] |= (val & 0x3F) << 1;
- chan_pcal_info->pwr[1][0] = (val >> 6) & 0xf;
- chan_pcal_info->pddac[1][0] =
- (val >> 10) & 0x3f;
+ pcinfo->pwr[1][0] = (val >> 6) & 0xf;
+ pcinfo->pddac[1][0] = (val >> 10) & 0x3f;
AR5K_EEPROM_READ(offset++, val);
- chan_pcal_info->pwr[1][1] = val & 0xf;
- chan_pcal_info->pddac[1][1] =
- (val >> 4) & 0x3f;
- chan_pcal_info->pwr[1][2] =
- (val >> 10) & 0xf;
-
- chan_pcal_info->pddac[1][2] =
- (val >> 14) & 0x3;
+ pcinfo->pwr[1][1] = val & 0xf;
+ pcinfo->pddac[1][1] = (val >> 4) & 0x3f;
+ pcinfo->pwr[1][2] = (val >> 10) & 0xf;
+
+ pcinfo->pddac[1][2] = (val >> 14) & 0x3;
AR5K_EEPROM_READ(offset++, val);
- chan_pcal_info->pddac[1][2] |=
- (val & 0xF) << 2;
+ pcinfo->pddac[1][2] |= (val & 0xF) << 2;
- chan_pcal_info->pwr[1][3] = 0;
- chan_pcal_info->pddac[1][3] = 0;
+ pcinfo->pwr[1][3] = 0;
+ pcinfo->pddac[1][3] = 0;
} else if (pd_gains == 1) {
/*
* Pd gain 0 is the last one so
* read the extra point.
*/
- chan_pcal_info->pwr[0][3] =
- (val >> 10) & 0xf;
+ pcinfo->pwr[0][3] = (val >> 10) & 0xf;
- chan_pcal_info->pddac[0][3] =
- (val >> 14) & 0x3;
+ pcinfo->pddac[0][3] = (val >> 14) & 0x3;
AR5K_EEPROM_READ(offset++, val);
- chan_pcal_info->pddac[0][3] |=
- (val & 0xF) << 2;
+ pcinfo->pddac[0][3] |= (val & 0xF) << 2;
}
/*
@@ -1048,105 +1338,65 @@ ath5k_eeprom_read_pcal_info_2413(struct ath5k_hw *ah, int mode)
* as above.
*/
if (pd_gains > 2) {
- chan_pcal_info->pwr_i[2] = (val >> 4) & 0x1f;
- chan_pcal_info->pddac_i[2] = (val >> 9) & 0x7f;
+ pcinfo->pwr_i[2] = (val >> 4) & 0x1f;
+ pcinfo->pddac_i[2] = (val >> 9) & 0x7f;
AR5K_EEPROM_READ(offset++, val);
- chan_pcal_info->pwr[2][0] =
- (val >> 0) & 0xf;
- chan_pcal_info->pddac[2][0] =
- (val >> 4) & 0x3f;
- chan_pcal_info->pwr[2][1] =
- (val >> 10) & 0xf;
-
- chan_pcal_info->pddac[2][1] =
- (val >> 14) & 0x3;
+ pcinfo->pwr[2][0] = (val >> 0) & 0xf;
+ pcinfo->pddac[2][0] = (val >> 4) & 0x3f;
+ pcinfo->pwr[2][1] = (val >> 10) & 0xf;
+
+ pcinfo->pddac[2][1] = (val >> 14) & 0x3;
AR5K_EEPROM_READ(offset++, val);
- chan_pcal_info->pddac[2][1] |=
- (val & 0xF) << 2;
+ pcinfo->pddac[2][1] |= (val & 0xF) << 2;
- chan_pcal_info->pwr[2][2] =
- (val >> 4) & 0xf;
- chan_pcal_info->pddac[2][2] =
- (val >> 8) & 0x3f;
+ pcinfo->pwr[2][2] = (val >> 4) & 0xf;
+ pcinfo->pddac[2][2] = (val >> 8) & 0x3f;
- chan_pcal_info->pwr[2][3] = 0;
- chan_pcal_info->pddac[2][3] = 0;
+ pcinfo->pwr[2][3] = 0;
+ pcinfo->pddac[2][3] = 0;
} else if (pd_gains == 2) {
- chan_pcal_info->pwr[1][3] =
- (val >> 4) & 0xf;
- chan_pcal_info->pddac[1][3] =
- (val >> 8) & 0x3f;
+ pcinfo->pwr[1][3] = (val >> 4) & 0xf;
+ pcinfo->pddac[1][3] = (val >> 8) & 0x3f;
}
if (pd_gains > 3) {
- chan_pcal_info->pwr_i[3] = (val >> 14) & 0x3;
+ pcinfo->pwr_i[3] = (val >> 14) & 0x3;
AR5K_EEPROM_READ(offset++, val);
- chan_pcal_info->pwr_i[3] |= ((val >> 0) & 0x7) << 2;
+ pcinfo->pwr_i[3] |= ((val >> 0) & 0x7) << 2;
- chan_pcal_info->pddac_i[3] = (val >> 3) & 0x7f;
- chan_pcal_info->pwr[3][0] =
- (val >> 10) & 0xf;
- chan_pcal_info->pddac[3][0] =
- (val >> 14) & 0x3;
+ pcinfo->pddac_i[3] = (val >> 3) & 0x7f;
+ pcinfo->pwr[3][0] = (val >> 10) & 0xf;
+ pcinfo->pddac[3][0] = (val >> 14) & 0x3;
AR5K_EEPROM_READ(offset++, val);
- chan_pcal_info->pddac[3][0] |=
- (val & 0xF) << 2;
- chan_pcal_info->pwr[3][1] =
- (val >> 4) & 0xf;
- chan_pcal_info->pddac[3][1] =
- (val >> 8) & 0x3f;
-
- chan_pcal_info->pwr[3][2] =
- (val >> 14) & 0x3;
+ pcinfo->pddac[3][0] |= (val & 0xF) << 2;
+ pcinfo->pwr[3][1] = (val >> 4) & 0xf;
+ pcinfo->pddac[3][1] = (val >> 8) & 0x3f;
+
+ pcinfo->pwr[3][2] = (val >> 14) & 0x3;
AR5K_EEPROM_READ(offset++, val);
- chan_pcal_info->pwr[3][2] |=
- ((val >> 0) & 0x3) << 2;
+ pcinfo->pwr[3][2] |= ((val >> 0) & 0x3) << 2;
- chan_pcal_info->pddac[3][2] =
- (val >> 2) & 0x3f;
- chan_pcal_info->pwr[3][3] =
- (val >> 8) & 0xf;
+ pcinfo->pddac[3][2] = (val >> 2) & 0x3f;
+ pcinfo->pwr[3][3] = (val >> 8) & 0xf;
- chan_pcal_info->pddac[3][3] =
- (val >> 12) & 0xF;
+ pcinfo->pddac[3][3] = (val >> 12) & 0xF;
AR5K_EEPROM_READ(offset++, val);
- chan_pcal_info->pddac[3][3] |=
- ((val >> 0) & 0x3) << 4;
+ pcinfo->pddac[3][3] |= ((val >> 0) & 0x3) << 4;
} else if (pd_gains == 3) {
- chan_pcal_info->pwr[2][3] =
- (val >> 14) & 0x3;
+ pcinfo->pwr[2][3] = (val >> 14) & 0x3;
AR5K_EEPROM_READ(offset++, val);
- chan_pcal_info->pwr[2][3] |=
- ((val >> 0) & 0x3) << 2;
-
- chan_pcal_info->pddac[2][3] =
- (val >> 2) & 0x3f;
- }
+ pcinfo->pwr[2][3] |= ((val >> 0) & 0x3) << 2;
- for (c = 0; c < pd_gains; c++) {
- /* Recreate pwr table for this channel using pwr steps */
- chan_pcal_info->pwr[c][0] += chan_pcal_info->pwr_i[c] * 2;
- chan_pcal_info->pwr[c][1] += chan_pcal_info->pwr[c][0];
- chan_pcal_info->pwr[c][2] += chan_pcal_info->pwr[c][1];
- chan_pcal_info->pwr[c][3] += chan_pcal_info->pwr[c][2];
- if (chan_pcal_info->pwr[c][3] == chan_pcal_info->pwr[c][2])
- chan_pcal_info->pwr[c][3] = 0;
-
- /* Recreate pddac table for this channel using pddac steps */
- chan_pcal_info->pddac[c][0] += chan_pcal_info->pddac_i[c];
- chan_pcal_info->pddac[c][1] += chan_pcal_info->pddac[c][0];
- chan_pcal_info->pddac[c][2] += chan_pcal_info->pddac[c][1];
- chan_pcal_info->pddac[c][3] += chan_pcal_info->pddac[c][2];
- if (chan_pcal_info->pddac[c][3] == chan_pcal_info->pddac[c][2])
- chan_pcal_info->pddac[c][3] = 0;
+ pcinfo->pddac[2][3] = (val >> 2) & 0x3f;
}
}
- return 0;
+ return ath5k_eeprom_convert_pcal_info_2413(ah, mode, chinfo);
}
+
/*
* Read per rate target power (this is the maximum tx power
* supported by the card). This info is used when setting
@@ -1154,11 +1404,12 @@ ath5k_eeprom_read_pcal_info_2413(struct ath5k_hw *ah, int mode)
*
* This also works for v5 EEPROMs.
*/
-static int ath5k_eeprom_read_target_rate_pwr_info(struct ath5k_hw *ah, unsigned int mode)
+static int
+ath5k_eeprom_read_target_rate_pwr_info(struct ath5k_hw *ah, unsigned int mode)
{
struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
struct ath5k_rate_pcal_info *rate_pcal_info;
- u16 *rate_target_pwr_num;
+ u8 *rate_target_pwr_num;
u32 offset;
u16 val;
int ret, i;
@@ -1264,7 +1515,9 @@ ath5k_eeprom_read_pcal_info(struct ath5k_hw *ah)
else
read_pcal = ath5k_eeprom_read_pcal_info_5111;
- for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; mode++) {
+
+ for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G;
+ mode++) {
err = read_pcal(ah, mode);
if (err)
return err;
@@ -1277,6 +1530,62 @@ ath5k_eeprom_read_pcal_info(struct ath5k_hw *ah)
return 0;
}
+static int
+ath5k_eeprom_free_pcal_info(struct ath5k_hw *ah, int mode)
+{
+ struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
+ struct ath5k_chan_pcal_info *chinfo;
+ u8 pier, pdg;
+
+ switch (mode) {
+ case AR5K_EEPROM_MODE_11A:
+ if (!AR5K_EEPROM_HDR_11A(ee->ee_header))
+ return 0;
+ chinfo = ee->ee_pwr_cal_a;
+ break;
+ case AR5K_EEPROM_MODE_11B:
+ if (!AR5K_EEPROM_HDR_11B(ee->ee_header))
+ return 0;
+ chinfo = ee->ee_pwr_cal_b;
+ break;
+ case AR5K_EEPROM_MODE_11G:
+ if (!AR5K_EEPROM_HDR_11G(ee->ee_header))
+ return 0;
+ chinfo = ee->ee_pwr_cal_g;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ for (pier = 0; pier < ee->ee_n_piers[mode]; pier++) {
+ if (!chinfo[pier].pd_curves)
+ continue;
+
+ for (pdg = 0; pdg < ee->ee_pd_gains[mode]; pdg++) {
+ struct ath5k_pdgain_info *pd =
+ &chinfo[pier].pd_curves[pdg];
+
+ if (pd != NULL) {
+ kfree(pd->pd_step);
+ kfree(pd->pd_pwr);
+ }
+ }
+
+ kfree(chinfo[pier].pd_curves);
+ }
+
+ return 0;
+}
+
+void
+ath5k_eeprom_detach(struct ath5k_hw *ah)
+{
+ u8 mode;
+
+ for (mode = AR5K_EEPROM_MODE_11A; mode <= AR5K_EEPROM_MODE_11G; mode++)
+ ath5k_eeprom_free_pcal_info(ah, mode);
+}
+
/* Read conformance test limits used for regulatory control */
static int
ath5k_eeprom_read_ctl_info(struct ath5k_hw *ah)
@@ -1457,3 +1766,4 @@ bool ath5k_eeprom_is_hb63(struct ath5k_hw *ah)
else
return false;
}
+
diff --git a/drivers/net/wireless/ath5k/eeprom.h b/drivers/net/wireless/ath5k/eeprom.h
index 1deebc0257d..b0c0606dea0 100644
--- a/drivers/net/wireless/ath5k/eeprom.h
+++ b/drivers/net/wireless/ath5k/eeprom.h
@@ -173,6 +173,7 @@
#define AR5K_EEPROM_N_5GHZ_CHAN 10
#define AR5K_EEPROM_N_2GHZ_CHAN 3
#define AR5K_EEPROM_N_2GHZ_CHAN_2413 4
+#define AR5K_EEPROM_N_2GHZ_CHAN_MAX 4
#define AR5K_EEPROM_MAX_CHAN 10
#define AR5K_EEPROM_N_PWR_POINTS_5111 11
#define AR5K_EEPROM_N_PCDAC 11
@@ -193,7 +194,7 @@
#define AR5K_EEPROM_SCALE_OC_DELTA(_x) (((_x) * 2) / 10)
#define AR5K_EEPROM_N_CTLS(_v) AR5K_EEPROM_OFF(_v, 16, 32)
#define AR5K_EEPROM_MAX_CTLS 32
-#define AR5K_EEPROM_N_XPD_PER_CHANNEL 4
+#define AR5K_EEPROM_N_PD_CURVES 4
#define AR5K_EEPROM_N_XPD0_POINTS 4
#define AR5K_EEPROM_N_XPD3_POINTS 3
#define AR5K_EEPROM_N_PD_GAINS 4
@@ -232,7 +233,7 @@ enum ath5k_ctl_mode {
AR5K_CTL_11B = 1,
AR5K_CTL_11G = 2,
AR5K_CTL_TURBO = 3,
- AR5K_CTL_108G = 4,
+ AR5K_CTL_TURBOG = 4,
AR5K_CTL_2GHT20 = 5,
AR5K_CTL_5GHT20 = 6,
AR5K_CTL_2GHT40 = 7,
@@ -240,65 +241,114 @@ enum ath5k_ctl_mode {
AR5K_CTL_MODE_M = 15,
};
+/* Default CTL ids for the 3 main reg domains.
+ * Atheros only uses these by default but vendors
+ * can have up to 32 different CTLs for different
+ * scenarios. Note that theese values are ORed with
+ * the mode id (above) so we can have up to 24 CTL
+ * datasets out of these 3 main regdomains. That leaves
+ * 8 ids that can be used by vendors and since 0x20 is
+ * missing from HAL sources i guess this is the set of
+ * custom CTLs vendors can use. */
+#define AR5K_CTL_FCC 0x10
+#define AR5K_CTL_CUSTOM 0x20
+#define AR5K_CTL_ETSI 0x30
+#define AR5K_CTL_MKK 0x40
+
+/* Indicates a CTL with only mode set and
+ * no reg domain mapping, such CTLs are used
+ * for world roaming domains or simply when
+ * a reg domain is not set */
+#define AR5K_CTL_NO_REGDOMAIN 0xf0
+
+/* Indicates an empty (invalid) CTL */
+#define AR5K_CTL_NO_CTL 0xff
+
/* Per channel calibration data, used for power table setup */
struct ath5k_chan_pcal_info_rf5111 {
/* Power levels in half dbm units
* for one power curve. */
- u8 pwr[AR5K_EEPROM_N_PWR_POINTS_5111];
+ u8 pwr[AR5K_EEPROM_N_PWR_POINTS_5111];
/* PCDAC table steps
* for the above values */
- u8 pcdac[AR5K_EEPROM_N_PWR_POINTS_5111];
+ u8 pcdac[AR5K_EEPROM_N_PWR_POINTS_5111];
/* Starting PCDAC step */
- u8 pcdac_min;
+ u8 pcdac_min;
/* Final PCDAC step */
- u8 pcdac_max;
+ u8 pcdac_max;
};
struct ath5k_chan_pcal_info_rf5112 {
/* Power levels in quarter dBm units
* for lower (0) and higher (3)
- * level curves */
- s8 pwr_x0[AR5K_EEPROM_N_XPD0_POINTS];
- s8 pwr_x3[AR5K_EEPROM_N_XPD3_POINTS];
+ * level curves in 0.25dB units */
+ s8 pwr_x0[AR5K_EEPROM_N_XPD0_POINTS];
+ s8 pwr_x3[AR5K_EEPROM_N_XPD3_POINTS];
/* PCDAC table steps
* for the above values */
- u8 pcdac_x0[AR5K_EEPROM_N_XPD0_POINTS];
- u8 pcdac_x3[AR5K_EEPROM_N_XPD3_POINTS];
+ u8 pcdac_x0[AR5K_EEPROM_N_XPD0_POINTS];
+ u8 pcdac_x3[AR5K_EEPROM_N_XPD3_POINTS];
};
struct ath5k_chan_pcal_info_rf2413 {
/* Starting pwr/pddac values */
- s8 pwr_i[AR5K_EEPROM_N_PD_GAINS];
- u8 pddac_i[AR5K_EEPROM_N_PD_GAINS];
- /* (pwr,pddac) points */
- s8 pwr[AR5K_EEPROM_N_PD_GAINS]
- [AR5K_EEPROM_N_PD_POINTS];
- u8 pddac[AR5K_EEPROM_N_PD_GAINS]
- [AR5K_EEPROM_N_PD_POINTS];
+ s8 pwr_i[AR5K_EEPROM_N_PD_GAINS];
+ u8 pddac_i[AR5K_EEPROM_N_PD_GAINS];
+ /* (pwr,pddac) points
+ * power levels in 0.5dB units */
+ s8 pwr[AR5K_EEPROM_N_PD_GAINS]
+ [AR5K_EEPROM_N_PD_POINTS];
+ u8 pddac[AR5K_EEPROM_N_PD_GAINS]
+ [AR5K_EEPROM_N_PD_POINTS];
+};
+
+enum ath5k_powertable_type {
+ AR5K_PWRTABLE_PWR_TO_PCDAC = 0,
+ AR5K_PWRTABLE_LINEAR_PCDAC = 1,
+ AR5K_PWRTABLE_PWR_TO_PDADC = 2,
+};
+
+struct ath5k_pdgain_info {
+ u8 pd_points;
+ u8 *pd_step;
+ /* Power values are in
+ * 0.25dB units */
+ s16 *pd_pwr;
};
struct ath5k_chan_pcal_info {
/* Frequency */
u16 freq;
- /* Max available power */
- s8 max_pwr;
+ /* Tx power boundaries */
+ s16 max_pwr;
+ s16 min_pwr;
union {
struct ath5k_chan_pcal_info_rf5111 rf5111_info;
struct ath5k_chan_pcal_info_rf5112 rf5112_info;
struct ath5k_chan_pcal_info_rf2413 rf2413_info;
};
+ /* Raw values used by phy code
+ * Curves are stored in order from lower
+ * gain to higher gain (max txpower -> min txpower) */
+ struct ath5k_pdgain_info *pd_curves;
};
-/* Per rate calibration data for each mode, used for power table setup */
+/* Per rate calibration data for each mode,
+ * used for rate power table setup.
+ * Note: Values in 0.5dB units */
struct ath5k_rate_pcal_info {
u16 freq; /* Frequency */
- /* Power level for 6-24Mbit/s rates */
+ /* Power level for 6-24Mbit/s rates or
+ * 1Mb rate */
u16 target_power_6to24;
- /* Power level for 36Mbit rate */
+ /* Power level for 36Mbit rate or
+ * 2Mb rate */
u16 target_power_36;
- /* Power level for 48Mbit rate */
+ /* Power level for 48Mbit rate or
+ * 5.5Mbit rate */
u16 target_power_48;
- /* Power level for 54Mbit rate */
+ /* Power level for 54Mbit rate or
+ * 11Mbit rate */
u16 target_power_54;
};
@@ -330,12 +380,6 @@ struct ath5k_eeprom_info {
u16 ee_cck_ofdm_power_delta;
u16 ee_scaled_cck_delta;
- /* Used for tx thermal adjustment (eeprom_init, rfregs) */
- u16 ee_tx_clip;
- u16 ee_pwd_84;
- u16 ee_pwd_90;
- u16 ee_gain_select;
-
/* RF Calibration settings (reset, rfregs) */
u16 ee_i_cal[AR5K_EEPROM_N_MODES];
u16 ee_q_cal[AR5K_EEPROM_N_MODES];
@@ -363,23 +407,25 @@ struct ath5k_eeprom_info {
/* Power calibration data */
u16 ee_false_detect[AR5K_EEPROM_N_MODES];
- /* Number of pd gain curves per mode (RF2413) */
- u8 ee_pd_gains[AR5K_EEPROM_N_MODES];
+ /* Number of pd gain curves per mode */
+ u8 ee_pd_gains[AR5K_EEPROM_N_MODES];
+ /* Back mapping pdcurve number -> pdcurve index in pd->pd_curves */
+ u8 ee_pdc_to_idx[AR5K_EEPROM_N_MODES][AR5K_EEPROM_N_PD_GAINS];
- u8 ee_n_piers[AR5K_EEPROM_N_MODES];
+ u8 ee_n_piers[AR5K_EEPROM_N_MODES];
struct ath5k_chan_pcal_info ee_pwr_cal_a[AR5K_EEPROM_N_5GHZ_CHAN];
- struct ath5k_chan_pcal_info ee_pwr_cal_b[AR5K_EEPROM_N_2GHZ_CHAN];
- struct ath5k_chan_pcal_info ee_pwr_cal_g[AR5K_EEPROM_N_2GHZ_CHAN];
+ struct ath5k_chan_pcal_info ee_pwr_cal_b[AR5K_EEPROM_N_2GHZ_CHAN_MAX];
+ struct ath5k_chan_pcal_info ee_pwr_cal_g[AR5K_EEPROM_N_2GHZ_CHAN_MAX];
/* Per rate target power levels */
- u16 ee_rate_target_pwr_num[AR5K_EEPROM_N_MODES];
+ u8 ee_rate_target_pwr_num[AR5K_EEPROM_N_MODES];
struct ath5k_rate_pcal_info ee_rate_tpwr_a[AR5K_EEPROM_N_5GHZ_CHAN];
- struct ath5k_rate_pcal_info ee_rate_tpwr_b[AR5K_EEPROM_N_2GHZ_CHAN];
- struct ath5k_rate_pcal_info ee_rate_tpwr_g[AR5K_EEPROM_N_2GHZ_CHAN];
+ struct ath5k_rate_pcal_info ee_rate_tpwr_b[AR5K_EEPROM_N_2GHZ_CHAN_MAX];
+ struct ath5k_rate_pcal_info ee_rate_tpwr_g[AR5K_EEPROM_N_2GHZ_CHAN_MAX];
/* Conformance test limits (Unused) */
- u16 ee_ctls;
- u16 ee_ctl[AR5K_EEPROM_MAX_CTLS];
+ u8 ee_ctls;
+ u8 ee_ctl[AR5K_EEPROM_MAX_CTLS];
struct ath5k_edge_power ee_ctl_pwr[AR5K_EEPROM_N_EDGES * AR5K_EEPROM_MAX_CTLS];
/* Noise Floor Calibration settings */
diff --git a/drivers/net/wireless/ath5k/initvals.c b/drivers/net/wireless/ath5k/initvals.c
index 44886434187..61fb621ed20 100644
--- a/drivers/net/wireless/ath5k/initvals.c
+++ b/drivers/net/wireless/ath5k/initvals.c
@@ -1510,8 +1510,8 @@ int ath5k_hw_write_initvals(struct ath5k_hw *ah, u8 mode, bool change_channel)
rf2425_ini_mode_end, mode);
ath5k_hw_ini_registers(ah,
- ARRAY_SIZE(rf2413_ini_common_end),
- rf2413_ini_common_end, change_channel);
+ ARRAY_SIZE(rf2425_ini_common_end),
+ rf2425_ini_common_end, change_channel);
ath5k_hw_ini_registers(ah,
ARRAY_SIZE(rf5112_ini_bbgain),
diff --git a/drivers/net/wireless/ath5k/led.c b/drivers/net/wireless/ath5k/led.c
index 0686e12738b..19555fb79c9 100644
--- a/drivers/net/wireless/ath5k/led.c
+++ b/drivers/net/wireless/ath5k/led.c
@@ -65,6 +65,8 @@ static const struct pci_device_id ath5k_led_devices[] = {
{ ATH_SDEVICE(PCI_VENDOR_ID_AMBIT, 0x0422), ATH_LED(1, 1) },
/* E-machines E510 (tuliom@gmail.com) */
{ ATH_SDEVICE(PCI_VENDOR_ID_AMBIT, 0x0428), ATH_LED(3, 0) },
+ /* Acer Extensa 5620z (nekoreeve@gmail.com) */
+ { ATH_SDEVICE(PCI_VENDOR_ID_QMI, 0x0105), ATH_LED(3, 0) },
{ }
};
diff --git a/drivers/net/wireless/ath5k/phy.c b/drivers/net/wireless/ath5k/phy.c
index 81f5bebc48b..9e2faae5ae9 100644
--- a/drivers/net/wireless/ath5k/phy.c
+++ b/drivers/net/wireless/ath5k/phy.c
@@ -4,6 +4,7 @@
* Copyright (c) 2004-2007 Reyk Floeter <reyk@openbsd.org>
* Copyright (c) 2006-2009 Nick Kossifidis <mickflemm@gmail.com>
* Copyright (c) 2007-2008 Jiri Slaby <jirislaby@gmail.com>
+ * Copyright (c) 2008-2009 Felix Fietkau <nbd@openwrt.org>
*
* Permission to use, copy, modify, and distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -183,7 +184,9 @@ static void ath5k_hw_request_rfgain_probe(struct ath5k_hw *ah)
if (ah->ah_gain.g_state != AR5K_RFGAIN_ACTIVE)
return;
- ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txpower.txp_max,
+ /* Send the packet with 2dB below max power as
+ * patent doc suggest */
+ ath5k_hw_reg_write(ah, AR5K_REG_SM(ah->ah_txpower.txp_max_pwr - 4,
AR5K_PHY_PAPD_PROBE_TXPOWER) |
AR5K_PHY_PAPD_PROBE_TX_NEXT, AR5K_PHY_PAPD_PROBE);
@@ -1433,93 +1436,1120 @@ unsigned int ath5k_hw_get_def_antenna(struct ath5k_hw *ah)
return false; /*XXX: What do we return for 5210 ?*/
}
+
+/****************\
+* TX power setup *
+\****************/
+
+/*
+ * Helper functions
+ */
+
+/*
+ * Do linear interpolation between two given (x, y) points
+ */
+static s16
+ath5k_get_interpolated_value(s16 target, s16 x_left, s16 x_right,
+ s16 y_left, s16 y_right)
+{
+ s16 ratio, result;
+
+ /* Avoid divide by zero and skip interpolation
+ * if we have the same point */
+ if ((x_left == x_right) || (y_left == y_right))
+ return y_left;
+
+ /*
+ * Since we use ints and not fps, we need to scale up in
+ * order to get a sane ratio value (or else we 'll eg. get
+ * always 1 instead of 1.25, 1.75 etc). We scale up by 100
+ * to have some accuracy both for 0.5 and 0.25 steps.
+ */
+ ratio = ((100 * y_right - 100 * y_left)/(x_right - x_left));
+
+ /* Now scale down to be in range */
+ result = y_left + (ratio * (target - x_left) / 100);
+
+ return result;
+}
+
+/*
+ * Find vertical boundary (min pwr) for the linear PCDAC curve.
+ *
+ * Since we have the top of the curve and we draw the line below
+ * until we reach 1 (1 pcdac step) we need to know which point
+ * (x value) that is so that we don't go below y axis and have negative
+ * pcdac values when creating the curve, or fill the table with zeroes.
+ */
+static s16
+ath5k_get_linear_pcdac_min(const u8 *stepL, const u8 *stepR,
+ const s16 *pwrL, const s16 *pwrR)
+{
+ s8 tmp;
+ s16 min_pwrL, min_pwrR;
+ s16 pwr_i = pwrL[0];
+
+ do {
+ pwr_i--;
+ tmp = (s8) ath5k_get_interpolated_value(pwr_i,
+ pwrL[0], pwrL[1],
+ stepL[0], stepL[1]);
+
+ } while (tmp > 1);
+
+ min_pwrL = pwr_i;
+
+ pwr_i = pwrR[0];
+ do {
+ pwr_i--;
+ tmp = (s8) ath5k_get_interpolated_value(pwr_i,
+ pwrR[0], pwrR[1],
+ stepR[0], stepR[1]);
+
+ } while (tmp > 1);
+
+ min_pwrR = pwr_i;
+
+ /* Keep the right boundary so that it works for both curves */
+ return max(min_pwrL, min_pwrR);
+}
+
+/*
+ * Interpolate (pwr,vpd) points to create a Power to PDADC or a
+ * Power to PCDAC curve.
+ *
+ * Each curve has power on x axis (in 0.5dB units) and PCDAC/PDADC
+ * steps (offsets) on y axis. Power can go up to 31.5dB and max
+ * PCDAC/PDADC step for each curve is 64 but we can write more than
+ * one curves on hw so we can go up to 128 (which is the max step we
+ * can write on the final table).
+ *
+ * We write y values (PCDAC/PDADC steps) on hw.
+ */
+static void
+ath5k_create_power_curve(s16 pmin, s16 pmax,
+ const s16 *pwr, const u8 *vpd,
+ u8 num_points,
+ u8 *vpd_table, u8 type)
+{
+ u8 idx[2] = { 0, 1 };
+ s16 pwr_i = 2*pmin;
+ int i;
+
+ if (num_points < 2)
+ return;
+
+ /* We want the whole line, so adjust boundaries
+ * to cover the entire power range. Note that
+ * power values are already 0.25dB so no need
+ * to multiply pwr_i by 2 */
+ if (type == AR5K_PWRTABLE_LINEAR_PCDAC) {
+ pwr_i = pmin;
+ pmin = 0;
+ pmax = 63;
+ }
+
+ /* Find surrounding turning points (TPs)
+ * and interpolate between them */
+ for (i = 0; (i <= (u16) (pmax - pmin)) &&
+ (i < AR5K_EEPROM_POWER_TABLE_SIZE); i++) {
+
+ /* We passed the right TP, move to the next set of TPs
+ * if we pass the last TP, extrapolate above using the last
+ * two TPs for ratio */
+ if ((pwr_i > pwr[idx[1]]) && (idx[1] < num_points - 1)) {
+ idx[0]++;
+ idx[1]++;
+ }
+
+ vpd_table[i] = (u8) ath5k_get_interpolated_value(pwr_i,
+ pwr[idx[0]], pwr[idx[1]],
+ vpd[idx[0]], vpd[idx[1]]);
+
+ /* Increase by 0.5dB
+ * (0.25 dB units) */
+ pwr_i += 2;
+ }
+}
+
+/*
+ * Get the surrounding per-channel power calibration piers
+ * for a given frequency so that we can interpolate between
+ * them and come up with an apropriate dataset for our current
+ * channel.
+ */
+static void
+ath5k_get_chan_pcal_surrounding_piers(struct ath5k_hw *ah,
+ struct ieee80211_channel *channel,
+ struct ath5k_chan_pcal_info **pcinfo_l,
+ struct ath5k_chan_pcal_info **pcinfo_r)
+{
+ struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
+ struct ath5k_chan_pcal_info *pcinfo;
+ u8 idx_l, idx_r;
+ u8 mode, max, i;
+ u32 target = channel->center_freq;
+
+ idx_l = 0;
+ idx_r = 0;
+
+ if (!(channel->hw_value & CHANNEL_OFDM)) {
+ pcinfo = ee->ee_pwr_cal_b;
+ mode = AR5K_EEPROM_MODE_11B;
+ } else if (channel->hw_value & CHANNEL_2GHZ) {
+ pcinfo = ee->ee_pwr_cal_g;
+ mode = AR5K_EEPROM_MODE_11G;
+ } else {
+ pcinfo = ee->ee_pwr_cal_a;
+ mode = AR5K_EEPROM_MODE_11A;
+ }
+ max = ee->ee_n_piers[mode] - 1;
+
+ /* Frequency is below our calibrated
+ * range. Use the lowest power curve
+ * we have */
+ if (target < pcinfo[0].freq) {
+ idx_l = idx_r = 0;
+ goto done;
+ }
+
+ /* Frequency is above our calibrated
+ * range. Use the highest power curve
+ * we have */
+ if (target > pcinfo[max].freq) {
+ idx_l = idx_r = max;
+ goto done;
+ }
+
+ /* Frequency is inside our calibrated
+ * channel range. Pick the surrounding
+ * calibration piers so that we can
+ * interpolate */
+ for (i = 0; i <= max; i++) {
+
+ /* Frequency matches one of our calibration
+ * piers, no need to interpolate, just use
+ * that calibration pier */
+ if (pcinfo[i].freq == target) {
+ idx_l = idx_r = i;
+ goto done;
+ }
+
+ /* We found a calibration pier that's above
+ * frequency, use this pier and the previous
+ * one to interpolate */
+ if (target < pcinfo[i].freq) {
+ idx_r = i;
+ idx_l = idx_r - 1;
+ goto done;
+ }
+ }
+
+done:
+ *pcinfo_l = &pcinfo[idx_l];
+ *pcinfo_r = &pcinfo[idx_r];
+
+ return;
+}
+
+/*
+ * Get the surrounding per-rate power calibration data
+ * for a given frequency and interpolate between power
+ * values to set max target power supported by hw for
+ * each rate.
+ */
+static void
+ath5k_get_rate_pcal_data(struct ath5k_hw *ah,
+ struct ieee80211_channel *channel,
+ struct ath5k_rate_pcal_info *rates)
+{
+ struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
+ struct ath5k_rate_pcal_info *rpinfo;
+ u8 idx_l, idx_r;
+ u8 mode, max, i;
+ u32 target = channel->center_freq;
+
+ idx_l = 0;
+ idx_r = 0;
+
+ if (!(channel->hw_value & CHANNEL_OFDM)) {
+ rpinfo = ee->ee_rate_tpwr_b;
+ mode = AR5K_EEPROM_MODE_11B;
+ } else if (channel->hw_value & CHANNEL_2GHZ) {
+ rpinfo = ee->ee_rate_tpwr_g;
+ mode = AR5K_EEPROM_MODE_11G;
+ } else {
+ rpinfo = ee->ee_rate_tpwr_a;
+ mode = AR5K_EEPROM_MODE_11A;
+ }
+ max = ee->ee_rate_target_pwr_num[mode] - 1;
+
+ /* Get the surrounding calibration
+ * piers - same as above */
+ if (target < rpinfo[0].freq) {
+ idx_l = idx_r = 0;
+ goto done;
+ }
+
+ if (target > rpinfo[max].freq) {
+ idx_l = idx_r = max;
+ goto done;
+ }
+
+ for (i = 0; i <= max; i++) {
+
+ if (rpinfo[i].freq == target) {
+ idx_l = idx_r = i;
+ goto done;
+ }
+
+ if (target < rpinfo[i].freq) {
+ idx_r = i;
+ idx_l = idx_r - 1;
+ goto done;
+ }
+ }
+
+done:
+ /* Now interpolate power value, based on the frequency */
+ rates->freq = target;
+
+ rates->target_power_6to24 =
+ ath5k_get_interpolated_value(target, rpinfo[idx_l].freq,
+ rpinfo[idx_r].freq,
+ rpinfo[idx_l].target_power_6to24,
+ rpinfo[idx_r].target_power_6to24);
+
+ rates->target_power_36 =
+ ath5k_get_interpolated_value(target, rpinfo[idx_l].freq,
+ rpinfo[idx_r].freq,
+ rpinfo[idx_l].target_power_36,
+ rpinfo[idx_r].target_power_36);
+
+ rates->target_power_48 =
+ ath5k_get_interpolated_value(target, rpinfo[idx_l].freq,
+ rpinfo[idx_r].freq,
+ rpinfo[idx_l].target_power_48,
+ rpinfo[idx_r].target_power_48);
+
+ rates->target_power_54 =
+ ath5k_get_interpolated_value(target, rpinfo[idx_l].freq,
+ rpinfo[idx_r].freq,
+ rpinfo[idx_l].target_power_54,
+ rpinfo[idx_r].target_power_54);
+}
+
+/*
+ * Get the max edge power for this channel if
+ * we have such data from EEPROM's Conformance Test
+ * Limits (CTL), and limit max power if needed.
+ *
+ * FIXME: Only works for world regulatory domains
+ */
+static void
+ath5k_get_max_ctl_power(struct ath5k_hw *ah,
+ struct ieee80211_channel *channel)
+{
+ struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
+ struct ath5k_edge_power *rep = ee->ee_ctl_pwr;
+ u8 *ctl_val = ee->ee_ctl;
+ s16 max_chan_pwr = ah->ah_txpower.txp_max_pwr / 4;
+ s16 edge_pwr = 0;
+ u8 rep_idx;
+ u8 i, ctl_mode;
+ u8 ctl_idx = 0xFF;
+ u32 target = channel->center_freq;
+
+ /* Find out a CTL for our mode that's not mapped
+ * on a specific reg domain.
+ *
+ * TODO: Map our current reg domain to one of the 3 available
+ * reg domain ids so that we can support more CTLs. */
+ switch (channel->hw_value & CHANNEL_MODES) {
+ case CHANNEL_A:
+ ctl_mode = AR5K_CTL_11A | AR5K_CTL_NO_REGDOMAIN;
+ break;
+ case CHANNEL_G:
+ ctl_mode = AR5K_CTL_11G | AR5K_CTL_NO_REGDOMAIN;
+ break;
+ case CHANNEL_B:
+ ctl_mode = AR5K_CTL_11B | AR5K_CTL_NO_REGDOMAIN;
+ break;
+ case CHANNEL_T:
+ ctl_mode = AR5K_CTL_TURBO | AR5K_CTL_NO_REGDOMAIN;
+ break;
+ case CHANNEL_TG:
+ ctl_mode = AR5K_CTL_TURBOG | AR5K_CTL_NO_REGDOMAIN;
+ break;
+ case CHANNEL_XR:
+ /* Fall through */
+ default:
+ return;
+ }
+
+ for (i = 0; i < ee->ee_ctls; i++) {
+ if (ctl_val[i] == ctl_mode) {
+ ctl_idx = i;
+ break;
+ }
+ }
+
+ /* If we have a CTL dataset available grab it and find the
+ * edge power for our frequency */
+ if (ctl_idx == 0xFF)
+ return;
+
+ /* Edge powers are sorted by frequency from lower
+ * to higher. Each CTL corresponds to 8 edge power
+ * measurements. */
+ rep_idx = ctl_idx * AR5K_EEPROM_N_EDGES;
+
+ /* Don't do boundaries check because we
+ * might have more that one bands defined
+ * for this mode */
+
+ /* Get the edge power that's closer to our
+ * frequency */
+ for (i = 0; i < AR5K_EEPROM_N_EDGES; i++) {
+ rep_idx += i;
+ if (target <= rep[rep_idx].freq)
+ edge_pwr = (s16) rep[rep_idx].edge;
+ }
+
+ if (edge_pwr)
+ ah->ah_txpower.txp_max_pwr = 4*min(edge_pwr, max_chan_pwr);
+}
+
+
+/*
+ * Power to PCDAC table functions
+ */
+
/*
- * TX power setup
+ * Fill Power to PCDAC table on RF5111
+ *
+ * No further processing is needed for RF5111, the only thing we have to
+ * do is fill the values below and above calibration range since eeprom data
+ * may not cover the entire PCDAC table.
*/
+static void
+ath5k_fill_pwr_to_pcdac_table(struct ath5k_hw *ah, s16* table_min,
+ s16 *table_max)
+{
+ u8 *pcdac_out = ah->ah_txpower.txp_pd_table;
+ u8 *pcdac_tmp = ah->ah_txpower.tmpL[0];
+ u8 pcdac_0, pcdac_n, pcdac_i, pwr_idx, i;
+ s16 min_pwr, max_pwr;
+
+ /* Get table boundaries */
+ min_pwr = table_min[0];
+ pcdac_0 = pcdac_tmp[0];
+
+ max_pwr = table_max[0];
+ pcdac_n = pcdac_tmp[table_max[0] - table_min[0]];
+
+ /* Extrapolate below minimum using pcdac_0 */
+ pcdac_i = 0;
+ for (i = 0; i < min_pwr; i++)
+ pcdac_out[pcdac_i++] = pcdac_0;
+
+ /* Copy values from pcdac_tmp */
+ pwr_idx = min_pwr;
+ for (i = 0 ; pwr_idx <= max_pwr &&
+ pcdac_i < AR5K_EEPROM_POWER_TABLE_SIZE; i++) {
+ pcdac_out[pcdac_i++] = pcdac_tmp[i];
+ pwr_idx++;
+ }
+
+ /* Extrapolate above maximum */
+ while (pcdac_i < AR5K_EEPROM_POWER_TABLE_SIZE)
+ pcdac_out[pcdac_i++] = pcdac_n;
+
+}
/*
- * Initialize the tx power table (not fully implemented)
+ * Combine available XPD Curves and fill Linear Power to PCDAC table
+ * on RF5112
+ *
+ * RFX112 can have up to 2 curves (one for low txpower range and one for
+ * higher txpower range). We need to put them both on pcdac_out and place
+ * them in the correct location. In case we only have one curve available
+ * just fit it on pcdac_out (it's supposed to cover the entire range of
+ * available pwr levels since it's always the higher power curve). Extrapolate
+ * below and above final table if needed.
*/
-static void ath5k_txpower_table(struct ath5k_hw *ah,
- struct ieee80211_channel *channel, s16 max_power)
+static void
+ath5k_combine_linear_pcdac_curves(struct ath5k_hw *ah, s16* table_min,
+ s16 *table_max, u8 pdcurves)
{
- unsigned int i, min, max, n;
- u16 txpower, *rates;
-
- rates = ah->ah_txpower.txp_rates;
-
- txpower = AR5K_TUNE_DEFAULT_TXPOWER * 2;
- if (max_power > txpower)
- txpower = max_power > AR5K_TUNE_MAX_TXPOWER ?
- AR5K_TUNE_MAX_TXPOWER : max_power;
-
- for (i = 0; i < AR5K_MAX_RATES; i++)
- rates[i] = txpower;
-
- /* XXX setup target powers by rate */
-
- ah->ah_txpower.txp_min = rates[7];
- ah->ah_txpower.txp_max = rates[0];
- ah->ah_txpower.txp_ofdm = rates[0];
-
- /* Calculate the power table */
- n = ARRAY_SIZE(ah->ah_txpower.txp_pcdac);
- min = AR5K_EEPROM_PCDAC_START;
- max = AR5K_EEPROM_PCDAC_STOP;
- for (i = 0; i < n; i += AR5K_EEPROM_PCDAC_STEP)
- ah->ah_txpower.txp_pcdac[i] =
-#ifdef notyet
- min + ((i * (max - min)) / n);
-#else
- min;
+ u8 *pcdac_out = ah->ah_txpower.txp_pd_table;
+ u8 *pcdac_low_pwr;
+ u8 *pcdac_high_pwr;
+ u8 *pcdac_tmp;
+ u8 pwr;
+ s16 max_pwr_idx;
+ s16 min_pwr_idx;
+ s16 mid_pwr_idx = 0;
+ /* Edge flag turs on the 7nth bit on the PCDAC
+ * to delcare the higher power curve (force values
+ * to be greater than 64). If we only have one curve
+ * we don't need to set this, if we have 2 curves and
+ * fill the table backwards this can also be used to
+ * switch from higher power curve to lower power curve */
+ u8 edge_flag;
+ int i;
+
+ /* When we have only one curve available
+ * that's the higher power curve. If we have
+ * two curves the first is the high power curve
+ * and the next is the low power curve. */
+ if (pdcurves > 1) {
+ pcdac_low_pwr = ah->ah_txpower.tmpL[1];
+ pcdac_high_pwr = ah->ah_txpower.tmpL[0];
+ mid_pwr_idx = table_max[1] - table_min[1] - 1;
+ max_pwr_idx = (table_max[0] - table_min[0]) / 2;
+
+ /* If table size goes beyond 31.5dB, keep the
+ * upper 31.5dB range when setting tx power.
+ * Note: 126 = 31.5 dB in quarter dB steps */
+ if (table_max[0] - table_min[1] > 126)
+ min_pwr_idx = table_max[0] - 126;
+ else
+ min_pwr_idx = table_min[1];
+
+ /* Since we fill table backwards
+ * start from high power curve */
+ pcdac_tmp = pcdac_high_pwr;
+
+ edge_flag = 0x40;
+#if 0
+ /* If both min and max power limits are in lower
+ * power curve's range, only use the low power curve.
+ * TODO: min/max levels are related to target
+ * power values requested from driver/user
+ * XXX: Is this really needed ? */
+ if (min_pwr < table_max[1] &&
+ max_pwr < table_max[1]) {
+ edge_flag = 0;
+ pcdac_tmp = pcdac_low_pwr;
+ max_pwr_idx = (table_max[1] - table_min[1])/2;
+ }
#endif
+ } else {
+ pcdac_low_pwr = ah->ah_txpower.tmpL[1]; /* Zeroed */
+ pcdac_high_pwr = ah->ah_txpower.tmpL[0];
+ min_pwr_idx = table_min[0];
+ max_pwr_idx = (table_max[0] - table_min[0]) / 2;
+ pcdac_tmp = pcdac_high_pwr;
+ edge_flag = 0;
+ }
+
+ /* This is used when setting tx power*/
+ ah->ah_txpower.txp_min_idx = min_pwr_idx/2;
+
+ /* Fill Power to PCDAC table backwards */
+ pwr = max_pwr_idx;
+ for (i = 63; i >= 0; i--) {
+ /* Entering lower power range, reset
+ * edge flag and set pcdac_tmp to lower
+ * power curve.*/
+ if (edge_flag == 0x40 &&
+ (2*pwr <= (table_max[1] - table_min[0]) || pwr == 0)) {
+ edge_flag = 0x00;
+ pcdac_tmp = pcdac_low_pwr;
+ pwr = mid_pwr_idx/2;
+ }
+
+ /* Don't go below 1, extrapolate below if we have
+ * already swithced to the lower power curve -or
+ * we only have one curve and edge_flag is zero
+ * anyway */
+ if (pcdac_tmp[pwr] < 1 && (edge_flag == 0x00)) {
+ while (i >= 0) {
+ pcdac_out[i] = pcdac_out[i + 1];
+ i--;
+ }
+ break;
+ }
+
+ pcdac_out[i] = pcdac_tmp[pwr] | edge_flag;
+
+ /* Extrapolate above if pcdac is greater than
+ * 126 -this can happen because we OR pcdac_out
+ * value with edge_flag on high power curve */
+ if (pcdac_out[i] > 126)
+ pcdac_out[i] = 126;
+
+ /* Decrease by a 0.5dB step */
+ pwr--;
+ }
}
+/* Write PCDAC values on hw */
+static void
+ath5k_setup_pcdac_table(struct ath5k_hw *ah)
+{
+ u8 *pcdac_out = ah->ah_txpower.txp_pd_table;
+ int i;
+
+ /*
+ * Write TX power values
+ */
+ for (i = 0; i < (AR5K_EEPROM_POWER_TABLE_SIZE / 2); i++) {
+ ath5k_hw_reg_write(ah,
+ (((pcdac_out[2*i + 0] << 8 | 0xff) & 0xffff) << 0) |
+ (((pcdac_out[2*i + 1] << 8 | 0xff) & 0xffff) << 16),
+ AR5K_PHY_PCDAC_TXPOWER(i));
+ }
+}
+
+
/*
- * Set transmition power
+ * Power to PDADC table functions
*/
-int /*O.K. - txpower_table is unimplemented so this doesn't work*/
-ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
- unsigned int txpower)
+
+/*
+ * Set the gain boundaries and create final Power to PDADC table
+ *
+ * We can have up to 4 pd curves, we need to do a simmilar process
+ * as we do for RF5112. This time we don't have an edge_flag but we
+ * set the gain boundaries on a separate register.
+ */
+static void
+ath5k_combine_pwr_to_pdadc_curves(struct ath5k_hw *ah,
+ s16 *pwr_min, s16 *pwr_max, u8 pdcurves)
{
- bool tpc = ah->ah_txpower.txp_tpc;
- unsigned int i;
+ u8 gain_boundaries[AR5K_EEPROM_N_PD_GAINS];
+ u8 *pdadc_out = ah->ah_txpower.txp_pd_table;
+ u8 *pdadc_tmp;
+ s16 pdadc_0;
+ u8 pdadc_i, pdadc_n, pwr_step, pdg, max_idx, table_size;
+ u8 pd_gain_overlap;
+
+ /* Note: Register value is initialized on initvals
+ * there is no feedback from hw.
+ * XXX: What about pd_gain_overlap from EEPROM ? */
+ pd_gain_overlap = (u8) ath5k_hw_reg_read(ah, AR5K_PHY_TPC_RG5) &
+ AR5K_PHY_TPC_RG5_PD_GAIN_OVERLAP;
+
+ /* Create final PDADC table */
+ for (pdg = 0, pdadc_i = 0; pdg < pdcurves; pdg++) {
+ pdadc_tmp = ah->ah_txpower.tmpL[pdg];
+
+ if (pdg == pdcurves - 1)
+ /* 2 dB boundary stretch for last
+ * (higher power) curve */
+ gain_boundaries[pdg] = pwr_max[pdg] + 4;
+ else
+ /* Set gain boundary in the middle
+ * between this curve and the next one */
+ gain_boundaries[pdg] =
+ (pwr_max[pdg] + pwr_min[pdg + 1]) / 2;
+
+ /* Sanity check in case our 2 db stretch got out of
+ * range. */
+ if (gain_boundaries[pdg] > AR5K_TUNE_MAX_TXPOWER)
+ gain_boundaries[pdg] = AR5K_TUNE_MAX_TXPOWER;
+
+ /* For the first curve (lower power)
+ * start from 0 dB */
+ if (pdg == 0)
+ pdadc_0 = 0;
+ else
+ /* For the other curves use the gain overlap */
+ pdadc_0 = (gain_boundaries[pdg - 1] - pwr_min[pdg]) -
+ pd_gain_overlap;
- ATH5K_TRACE(ah->ah_sc);
- if (txpower > AR5K_TUNE_MAX_TXPOWER) {
- ATH5K_ERR(ah->ah_sc, "invalid tx power: %u\n", txpower);
- return -EINVAL;
+ /* Force each power step to be at least 0.5 dB */
+ if ((pdadc_tmp[1] - pdadc_tmp[0]) > 1)
+ pwr_step = pdadc_tmp[1] - pdadc_tmp[0];
+ else
+ pwr_step = 1;
+
+ /* If pdadc_0 is negative, we need to extrapolate
+ * below this pdgain by a number of pwr_steps */
+ while ((pdadc_0 < 0) && (pdadc_i < 128)) {
+ s16 tmp = pdadc_tmp[0] + pdadc_0 * pwr_step;
+ pdadc_out[pdadc_i++] = (tmp < 0) ? 0 : (u8) tmp;
+ pdadc_0++;
+ }
+
+ /* Set last pwr level, using gain boundaries */
+ pdadc_n = gain_boundaries[pdg] + pd_gain_overlap - pwr_min[pdg];
+ /* Limit it to be inside pwr range */
+ table_size = pwr_max[pdg] - pwr_min[pdg];
+ max_idx = (pdadc_n < table_size) ? pdadc_n : table_size;
+
+ /* Fill pdadc_out table */
+ while (pdadc_0 < max_idx)
+ pdadc_out[pdadc_i++] = pdadc_tmp[pdadc_0++];
+
+ /* Need to extrapolate above this pdgain? */
+ if (pdadc_n <= max_idx)
+ continue;
+
+ /* Force each power step to be at least 0.5 dB */
+ if ((pdadc_tmp[table_size - 1] - pdadc_tmp[table_size - 2]) > 1)
+ pwr_step = pdadc_tmp[table_size - 1] -
+ pdadc_tmp[table_size - 2];
+ else
+ pwr_step = 1;
+
+ /* Extrapolate above */
+ while ((pdadc_0 < (s16) pdadc_n) &&
+ (pdadc_i < AR5K_EEPROM_POWER_TABLE_SIZE * 2)) {
+ s16 tmp = pdadc_tmp[table_size - 1] +
+ (pdadc_0 - max_idx) * pwr_step;
+ pdadc_out[pdadc_i++] = (tmp > 127) ? 127 : (u8) tmp;
+ pdadc_0++;
+ }
}
+ while (pdg < AR5K_EEPROM_N_PD_GAINS) {
+ gain_boundaries[pdg] = gain_boundaries[pdg - 1];
+ pdg++;
+ }
+
+ while (pdadc_i < AR5K_EEPROM_POWER_TABLE_SIZE * 2) {
+ pdadc_out[pdadc_i] = pdadc_out[pdadc_i - 1];
+ pdadc_i++;
+ }
+
+ /* Set gain boundaries */
+ ath5k_hw_reg_write(ah,
+ AR5K_REG_SM(pd_gain_overlap,
+ AR5K_PHY_TPC_RG5_PD_GAIN_OVERLAP) |
+ AR5K_REG_SM(gain_boundaries[0],
+ AR5K_PHY_TPC_RG5_PD_GAIN_BOUNDARY_1) |
+ AR5K_REG_SM(gain_boundaries[1],
+ AR5K_PHY_TPC_RG5_PD_GAIN_BOUNDARY_2) |
+ AR5K_REG_SM(gain_boundaries[2],
+ AR5K_PHY_TPC_RG5_PD_GAIN_BOUNDARY_3) |
+ AR5K_REG_SM(gain_boundaries[3],
+ AR5K_PHY_TPC_RG5_PD_GAIN_BOUNDARY_4),
+ AR5K_PHY_TPC_RG5);
+
+ /* Used for setting rate power table */
+ ah->ah_txpower.txp_min_idx = pwr_min[0];
+
+}
+
+/* Write PDADC values on hw */
+static void
+ath5k_setup_pwr_to_pdadc_table(struct ath5k_hw *ah,
+ u8 pdcurves, u8 *pdg_to_idx)
+{
+ u8 *pdadc_out = ah->ah_txpower.txp_pd_table;
+ u32 reg;
+ u8 i;
+
+ /* Select the right pdgain curves */
+
+ /* Clear current settings */
+ reg = ath5k_hw_reg_read(ah, AR5K_PHY_TPC_RG1);
+ reg &= ~(AR5K_PHY_TPC_RG1_PDGAIN_1 |
+ AR5K_PHY_TPC_RG1_PDGAIN_2 |
+ AR5K_PHY_TPC_RG1_PDGAIN_3 |
+ AR5K_PHY_TPC_RG1_NUM_PD_GAIN);
+
/*
- * RF2413 for some reason can't
- * transmit anything if we call
- * this funtion, so we skip it
- * until we fix txpower.
+ * Use pd_gains curve from eeprom
*
- * XXX: Assume same for RF2425
- * to be safe.
+ * This overrides the default setting from initvals
+ * in case some vendors (e.g. Zcomax) don't use the default
+ * curves. If we don't honor their settings we 'll get a
+ * 5dB (1 * gain overlap ?) drop.
*/
- if ((ah->ah_radio == AR5K_RF2413) || (ah->ah_radio == AR5K_RF2425))
- return 0;
+ reg |= AR5K_REG_SM(pdcurves, AR5K_PHY_TPC_RG1_NUM_PD_GAIN);
- /* Reset TX power values */
- memset(&ah->ah_txpower, 0, sizeof(ah->ah_txpower));
- ah->ah_txpower.txp_tpc = tpc;
-
- /* Initialize TX power table */
- ath5k_txpower_table(ah, channel, txpower);
+ switch (pdcurves) {
+ case 3:
+ reg |= AR5K_REG_SM(pdg_to_idx[2], AR5K_PHY_TPC_RG1_PDGAIN_3);
+ /* Fall through */
+ case 2:
+ reg |= AR5K_REG_SM(pdg_to_idx[1], AR5K_PHY_TPC_RG1_PDGAIN_2);
+ /* Fall through */
+ case 1:
+ reg |= AR5K_REG_SM(pdg_to_idx[0], AR5K_PHY_TPC_RG1_PDGAIN_1);
+ break;
+ }
+ ath5k_hw_reg_write(ah, reg, AR5K_PHY_TPC_RG1);
/*
* Write TX power values
*/
for (i = 0; i < (AR5K_EEPROM_POWER_TABLE_SIZE / 2); i++) {
ath5k_hw_reg_write(ah,
- ((((ah->ah_txpower.txp_pcdac[(i << 1) + 1] << 8) | 0xff) & 0xffff) << 16) |
- (((ah->ah_txpower.txp_pcdac[(i << 1) ] << 8) | 0xff) & 0xffff),
- AR5K_PHY_PCDAC_TXPOWER(i));
+ ((pdadc_out[4*i + 0] & 0xff) << 0) |
+ ((pdadc_out[4*i + 1] & 0xff) << 8) |
+ ((pdadc_out[4*i + 2] & 0xff) << 16) |
+ ((pdadc_out[4*i + 3] & 0xff) << 24),
+ AR5K_PHY_PDADC_TXPOWER(i));
+ }
+}
+
+
+/*
+ * Common code for PCDAC/PDADC tables
+ */
+
+/*
+ * This is the main function that uses all of the above
+ * to set PCDAC/PDADC table on hw for the current channel.
+ * This table is used for tx power calibration on the basband,
+ * without it we get weird tx power levels and in some cases
+ * distorted spectral mask
+ */
+static int
+ath5k_setup_channel_powertable(struct ath5k_hw *ah,
+ struct ieee80211_channel *channel,
+ u8 ee_mode, u8 type)
+{
+ struct ath5k_pdgain_info *pdg_L, *pdg_R;
+ struct ath5k_chan_pcal_info *pcinfo_L;
+ struct ath5k_chan_pcal_info *pcinfo_R;
+ struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
+ u8 *pdg_curve_to_idx = ee->ee_pdc_to_idx[ee_mode];
+ s16 table_min[AR5K_EEPROM_N_PD_GAINS];
+ s16 table_max[AR5K_EEPROM_N_PD_GAINS];
+ u8 *tmpL;
+ u8 *tmpR;
+ u32 target = channel->center_freq;
+ int pdg, i;
+
+ /* Get surounding freq piers for this channel */
+ ath5k_get_chan_pcal_surrounding_piers(ah, channel,
+ &pcinfo_L,
+ &pcinfo_R);
+
+ /* Loop over pd gain curves on
+ * surounding freq piers by index */
+ for (pdg = 0; pdg < ee->ee_pd_gains[ee_mode]; pdg++) {
+
+ /* Fill curves in reverse order
+ * from lower power (max gain)
+ * to higher power. Use curve -> idx
+ * backmaping we did on eeprom init */
+ u8 idx = pdg_curve_to_idx[pdg];
+
+ /* Grab the needed curves by index */
+ pdg_L = &pcinfo_L->pd_curves[idx];
+ pdg_R = &pcinfo_R->pd_curves[idx];
+
+ /* Initialize the temp tables */
+ tmpL = ah->ah_txpower.tmpL[pdg];
+ tmpR = ah->ah_txpower.tmpR[pdg];
+
+ /* Set curve's x boundaries and create
+ * curves so that they cover the same
+ * range (if we don't do that one table
+ * will have values on some range and the
+ * other one won't have any so interpolation
+ * will fail) */
+ table_min[pdg] = min(pdg_L->pd_pwr[0],
+ pdg_R->pd_pwr[0]) / 2;
+
+ table_max[pdg] = max(pdg_L->pd_pwr[pdg_L->pd_points - 1],
+ pdg_R->pd_pwr[pdg_R->pd_points - 1]) / 2;
+
+ /* Now create the curves on surrounding channels
+ * and interpolate if needed to get the final
+ * curve for this gain on this channel */
+ switch (type) {
+ case AR5K_PWRTABLE_LINEAR_PCDAC:
+ /* Override min/max so that we don't loose
+ * accuracy (don't divide by 2) */
+ table_min[pdg] = min(pdg_L->pd_pwr[0],
+ pdg_R->pd_pwr[0]);
+
+ table_max[pdg] =
+ max(pdg_L->pd_pwr[pdg_L->pd_points - 1],
+ pdg_R->pd_pwr[pdg_R->pd_points - 1]);
+
+ /* Override minimum so that we don't get
+ * out of bounds while extrapolating
+ * below. Don't do this when we have 2
+ * curves and we are on the high power curve
+ * because table_min is ok in this case */
+ if (!(ee->ee_pd_gains[ee_mode] > 1 && pdg == 0)) {
+
+ table_min[pdg] =
+ ath5k_get_linear_pcdac_min(pdg_L->pd_step,
+ pdg_R->pd_step,
+ pdg_L->pd_pwr,
+ pdg_R->pd_pwr);
+
+ /* Don't go too low because we will
+ * miss the upper part of the curve.
+ * Note: 126 = 31.5dB (max power supported)
+ * in 0.25dB units */
+ if (table_max[pdg] - table_min[pdg] > 126)
+ table_min[pdg] = table_max[pdg] - 126;
+ }
+
+ /* Fall through */
+ case AR5K_PWRTABLE_PWR_TO_PCDAC:
+ case AR5K_PWRTABLE_PWR_TO_PDADC:
+
+ ath5k_create_power_curve(table_min[pdg],
+ table_max[pdg],
+ pdg_L->pd_pwr,
+ pdg_L->pd_step,
+ pdg_L->pd_points, tmpL, type);
+
+ /* We are in a calibration
+ * pier, no need to interpolate
+ * between freq piers */
+ if (pcinfo_L == pcinfo_R)
+ continue;
+
+ ath5k_create_power_curve(table_min[pdg],
+ table_max[pdg],
+ pdg_R->pd_pwr,
+ pdg_R->pd_step,
+ pdg_R->pd_points, tmpR, type);
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* Interpolate between curves
+ * of surounding freq piers to
+ * get the final curve for this
+ * pd gain. Re-use tmpL for interpolation
+ * output */
+ for (i = 0; (i < (u16) (table_max[pdg] - table_min[pdg])) &&
+ (i < AR5K_EEPROM_POWER_TABLE_SIZE); i++) {
+ tmpL[i] = (u8) ath5k_get_interpolated_value(target,
+ (s16) pcinfo_L->freq,
+ (s16) pcinfo_R->freq,
+ (s16) tmpL[i],
+ (s16) tmpR[i]);
+ }
}
+ /* Now we have a set of curves for this
+ * channel on tmpL (x range is table_max - table_min
+ * and y values are tmpL[pdg][]) sorted in the same
+ * order as EEPROM (because we've used the backmaping).
+ * So for RF5112 it's from higher power to lower power
+ * and for RF2413 it's from lower power to higher power.
+ * For RF5111 we only have one curve. */
+
+ /* Fill min and max power levels for this
+ * channel by interpolating the values on
+ * surounding channels to complete the dataset */
+ ah->ah_txpower.txp_min_pwr = ath5k_get_interpolated_value(target,
+ (s16) pcinfo_L->freq,
+ (s16) pcinfo_R->freq,
+ pcinfo_L->min_pwr, pcinfo_R->min_pwr);
+
+ ah->ah_txpower.txp_max_pwr = ath5k_get_interpolated_value(target,
+ (s16) pcinfo_L->freq,
+ (s16) pcinfo_R->freq,
+ pcinfo_L->max_pwr, pcinfo_R->max_pwr);
+
+ /* We are ready to go, fill PCDAC/PDADC
+ * table and write settings on hardware */
+ switch (type) {
+ case AR5K_PWRTABLE_LINEAR_PCDAC:
+ /* For RF5112 we can have one or two curves
+ * and each curve covers a certain power lvl
+ * range so we need to do some more processing */
+ ath5k_combine_linear_pcdac_curves(ah, table_min, table_max,
+ ee->ee_pd_gains[ee_mode]);
+
+ /* Set txp.offset so that we can
+ * match max power value with max
+ * table index */
+ ah->ah_txpower.txp_offset = 64 - (table_max[0] / 2);
+
+ /* Write settings on hw */
+ ath5k_setup_pcdac_table(ah);
+ break;
+ case AR5K_PWRTABLE_PWR_TO_PCDAC:
+ /* We are done for RF5111 since it has only
+ * one curve, just fit the curve on the table */
+ ath5k_fill_pwr_to_pcdac_table(ah, table_min, table_max);
+
+ /* No rate powertable adjustment for RF5111 */
+ ah->ah_txpower.txp_min_idx = 0;
+ ah->ah_txpower.txp_offset = 0;
+
+ /* Write settings on hw */
+ ath5k_setup_pcdac_table(ah);
+ break;
+ case AR5K_PWRTABLE_PWR_TO_PDADC:
+ /* Set PDADC boundaries and fill
+ * final PDADC table */
+ ath5k_combine_pwr_to_pdadc_curves(ah, table_min, table_max,
+ ee->ee_pd_gains[ee_mode]);
+
+ /* Write settings on hw */
+ ath5k_setup_pwr_to_pdadc_table(ah, pdg, pdg_curve_to_idx);
+
+ /* Set txp.offset, note that table_min
+ * can be negative */
+ ah->ah_txpower.txp_offset = table_min[0];
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+
+/*
+ * Per-rate tx power setting
+ *
+ * This is the code that sets the desired tx power (below
+ * maximum) on hw for each rate (we also have TPC that sets
+ * power per packet). We do that by providing an index on the
+ * PCDAC/PDADC table we set up.
+ */
+
+/*
+ * Set rate power table
+ *
+ * For now we only limit txpower based on maximum tx power
+ * supported by hw (what's inside rate_info). We need to limit
+ * this even more, based on regulatory domain etc.
+ *
+ * Rate power table contains indices to PCDAC/PDADC table (0.5dB steps)
+ * and is indexed as follows:
+ * rates[0] - rates[7] -> OFDM rates
+ * rates[8] - rates[14] -> CCK rates
+ * rates[15] -> XR rates (they all have the same power)
+ */
+static void
+ath5k_setup_rate_powertable(struct ath5k_hw *ah, u16 max_pwr,
+ struct ath5k_rate_pcal_info *rate_info,
+ u8 ee_mode)
+{
+ unsigned int i;
+ u16 *rates;
+
+ /* max_pwr is power level we got from driver/user in 0.5dB
+ * units, switch to 0.25dB units so we can compare */
+ max_pwr *= 2;
+ max_pwr = min(max_pwr, (u16) ah->ah_txpower.txp_max_pwr) / 2;
+
+ /* apply rate limits */
+ rates = ah->ah_txpower.txp_rates_power_table;
+
+ /* OFDM rates 6 to 24Mb/s */
+ for (i = 0; i < 5; i++)
+ rates[i] = min(max_pwr, rate_info->target_power_6to24);
+
+ /* Rest OFDM rates */
+ rates[5] = min(rates[0], rate_info->target_power_36);
+ rates[6] = min(rates[0], rate_info->target_power_48);
+ rates[7] = min(rates[0], rate_info->target_power_54);
+
+ /* CCK rates */
+ /* 1L */
+ rates[8] = min(rates[0], rate_info->target_power_6to24);
+ /* 2L */
+ rates[9] = min(rates[0], rate_info->target_power_36);
+ /* 2S */
+ rates[10] = min(rates[0], rate_info->target_power_36);
+ /* 5L */
+ rates[11] = min(rates[0], rate_info->target_power_48);
+ /* 5S */
+ rates[12] = min(rates[0], rate_info->target_power_48);
+ /* 11L */
+ rates[13] = min(rates[0], rate_info->target_power_54);
+ /* 11S */
+ rates[14] = min(rates[0], rate_info->target_power_54);
+
+ /* XR rates */
+ rates[15] = min(rates[0], rate_info->target_power_6to24);
+
+ /* CCK rates have different peak to average ratio
+ * so we have to tweak their power so that gainf
+ * correction works ok. For this we use OFDM to
+ * CCK delta from eeprom */
+ if ((ee_mode == AR5K_EEPROM_MODE_11G) &&
+ (ah->ah_phy_revision < AR5K_SREV_PHY_5212A))
+ for (i = 8; i <= 15; i++)
+ rates[i] -= ah->ah_txpower.txp_cck_ofdm_gainf_delta;
+
+ ah->ah_txpower.txp_min_pwr = rates[7];
+ ah->ah_txpower.txp_max_pwr = rates[0];
+ ah->ah_txpower.txp_ofdm = rates[7];
+}
+
+
+/*
+ * Set transmition power
+ */
+int
+ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
+ u8 ee_mode, u8 txpower)
+{
+ struct ath5k_rate_pcal_info rate_info;
+ u8 type;
+ int ret;
+
+ ATH5K_TRACE(ah->ah_sc);
+ if (txpower > AR5K_TUNE_MAX_TXPOWER) {
+ ATH5K_ERR(ah->ah_sc, "invalid tx power: %u\n", txpower);
+ return -EINVAL;
+ }
+ if (txpower == 0)
+ txpower = AR5K_TUNE_DEFAULT_TXPOWER;
+
+ /* Reset TX power values */
+ memset(&ah->ah_txpower, 0, sizeof(ah->ah_txpower));
+ ah->ah_txpower.txp_tpc = AR5K_TUNE_TPC_TXPOWER;
+ ah->ah_txpower.txp_min_pwr = 0;
+ ah->ah_txpower.txp_max_pwr = AR5K_TUNE_MAX_TXPOWER;
+
+ /* Initialize TX power table */
+ switch (ah->ah_radio) {
+ case AR5K_RF5111:
+ type = AR5K_PWRTABLE_PWR_TO_PCDAC;
+ break;
+ case AR5K_RF5112:
+ type = AR5K_PWRTABLE_LINEAR_PCDAC;
+ break;
+ case AR5K_RF2413:
+ case AR5K_RF5413:
+ case AR5K_RF2316:
+ case AR5K_RF2317:
+ case AR5K_RF2425:
+ type = AR5K_PWRTABLE_PWR_TO_PDADC;
+ break;
+ default:
+ return -EINVAL;
+ }
+
+ /* FIXME: Only on channel/mode change */
+ ret = ath5k_setup_channel_powertable(ah, channel, ee_mode, type);
+ if (ret)
+ return ret;
+
+ /* Limit max power if we have a CTL available */
+ ath5k_get_max_ctl_power(ah, channel);
+
+ /* FIXME: Tx power limit for this regdomain
+ * XXX: Mac80211/CRDA will do that anyway ? */
+
+ /* FIXME: Antenna reduction stuff */
+
+ /* FIXME: Limit power on turbo modes */
+
+ /* FIXME: TPC scale reduction */
+
+ /* Get surounding channels for per-rate power table
+ * calibration */
+ ath5k_get_rate_pcal_data(ah, channel, &rate_info);
+
+ /* Setup rate power table */
+ ath5k_setup_rate_powertable(ah, txpower, &rate_info, ee_mode);
+
+ /* Write rate power table on hw */
ath5k_hw_reg_write(ah, AR5K_TXPOWER_OFDM(3, 24) |
AR5K_TXPOWER_OFDM(2, 16) | AR5K_TXPOWER_OFDM(1, 8) |
AR5K_TXPOWER_OFDM(0, 0), AR5K_PHY_TXPOWER_RATE1);
@@ -1536,26 +2566,34 @@ ath5k_hw_txpower(struct ath5k_hw *ah, struct ieee80211_channel *channel,
AR5K_TXPOWER_CCK(13, 16) | AR5K_TXPOWER_CCK(12, 8) |
AR5K_TXPOWER_CCK(11, 0), AR5K_PHY_TXPOWER_RATE4);
- if (ah->ah_txpower.txp_tpc)
+ /* FIXME: TPC support */
+ if (ah->ah_txpower.txp_tpc) {
ath5k_hw_reg_write(ah, AR5K_PHY_TXPOWER_RATE_MAX_TPC_ENABLE |
AR5K_TUNE_MAX_TXPOWER, AR5K_PHY_TXPOWER_RATE_MAX);
- else
+
+ ath5k_hw_reg_write(ah,
+ AR5K_REG_MS(AR5K_TUNE_MAX_TXPOWER, AR5K_TPC_ACK) |
+ AR5K_REG_MS(AR5K_TUNE_MAX_TXPOWER, AR5K_TPC_CTS) |
+ AR5K_REG_MS(AR5K_TUNE_MAX_TXPOWER, AR5K_TPC_CHIRP),
+ AR5K_TPC);
+ } else {
ath5k_hw_reg_write(ah, AR5K_PHY_TXPOWER_RATE_MAX |
AR5K_TUNE_MAX_TXPOWER, AR5K_PHY_TXPOWER_RATE_MAX);
+ }
return 0;
}
-int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, unsigned int power)
+int ath5k_hw_set_txpower_limit(struct ath5k_hw *ah, u8 mode, u8 txpower)
{
/*Just a try M.F.*/
struct ieee80211_channel *channel = &ah->ah_current_channel;
ATH5K_TRACE(ah->ah_sc);
ATH5K_DBG(ah->ah_sc, ATH5K_DEBUG_TXPOWER,
- "changing txpower to %d\n", power);
+ "changing txpower to %d\n", txpower);
- return ath5k_hw_txpower(ah, channel, power);
+ return ath5k_hw_txpower(ah, channel, mode, txpower);
}
#undef _ATH5K_PHY
diff --git a/drivers/net/wireless/ath5k/reg.h b/drivers/net/wireless/ath5k/reg.h
index 2dc008e1022..7070d1543cd 100644
--- a/drivers/net/wireless/ath5k/reg.h
+++ b/drivers/net/wireless/ath5k/reg.h
@@ -1554,6 +1554,19 @@
/*===5212 Specific PCU registers===*/
/*
+ * Transmit power control register
+ */
+#define AR5K_TPC 0x80e8
+#define AR5K_TPC_ACK 0x0000003f /* ack frames */
+#define AR5K_TPC_ACK_S 0
+#define AR5K_TPC_CTS 0x00003f00 /* cts frames */
+#define AR5K_TPC_CTS_S 8
+#define AR5K_TPC_CHIRP 0x003f0000 /* chirp frames */
+#define AR5K_TPC_CHIRP_S 16
+#define AR5K_TPC_DOPPLER 0x0f000000 /* doppler chirp span */
+#define AR5K_TPC_DOPPLER_S 24
+
+/*
* XR (eXtended Range) mode register
*/
#define AR5K_XRMODE 0x80c0 /* Register Address */
@@ -2550,6 +2563,12 @@
#define AR5K_PHY_TPC_RG1 0xa258
#define AR5K_PHY_TPC_RG1_NUM_PD_GAIN 0x0000c000
#define AR5K_PHY_TPC_RG1_NUM_PD_GAIN_S 14
+#define AR5K_PHY_TPC_RG1_PDGAIN_1 0x00030000
+#define AR5K_PHY_TPC_RG1_PDGAIN_1_S 16
+#define AR5K_PHY_TPC_RG1_PDGAIN_2 0x000c0000
+#define AR5K_PHY_TPC_RG1_PDGAIN_2_S 18
+#define AR5K_PHY_TPC_RG1_PDGAIN_3 0x00300000
+#define AR5K_PHY_TPC_RG1_PDGAIN_3_S 20
#define AR5K_PHY_TPC_RG5 0xa26C
#define AR5K_PHY_TPC_RG5_PD_GAIN_OVERLAP 0x0000000F
diff --git a/drivers/net/wireless/ath5k/reset.c b/drivers/net/wireless/ath5k/reset.c
index 685dc213eda..7a17d31b2fd 100644
--- a/drivers/net/wireless/ath5k/reset.c
+++ b/drivers/net/wireless/ath5k/reset.c
@@ -664,29 +664,35 @@ static void ath5k_hw_commit_eeprom_settings(struct ath5k_hw *ah,
struct ieee80211_channel *channel, u8 *ant, u8 ee_mode)
{
struct ath5k_eeprom_info *ee = &ah->ah_capabilities.cap_eeprom;
+ s16 cck_ofdm_pwr_delta;
- /* Set CCK to OFDM power delta */
- if (ah->ah_phy_revision >= AR5K_SREV_PHY_5212A) {
- int16_t cck_ofdm_pwr_delta;
-
- /* Adjust power delta for channel 14 */
- if (channel->center_freq == 2484)
- cck_ofdm_pwr_delta =
- ((ee->ee_cck_ofdm_power_delta -
- ee->ee_scaled_cck_delta) * 2) / 10;
- else
- cck_ofdm_pwr_delta =
- (ee->ee_cck_ofdm_power_delta * 2) / 10;
+ /* Adjust power delta for channel 14 */
+ if (channel->center_freq == 2484)
+ cck_ofdm_pwr_delta =
+ ((ee->ee_cck_ofdm_power_delta -
+ ee->ee_scaled_cck_delta) * 2) / 10;
+ else
+ cck_ofdm_pwr_delta =
+ (ee->ee_cck_ofdm_power_delta * 2) / 10;
+ /* Set CCK to OFDM power delta on tx power
+ * adjustment register */
+ if (ah->ah_phy_revision >= AR5K_SREV_PHY_5212A) {
if (channel->hw_value == CHANNEL_G)
ath5k_hw_reg_write(ah,
- AR5K_REG_SM((ee->ee_cck_ofdm_power_delta * -1),
+ AR5K_REG_SM((ee->ee_cck_ofdm_gain_delta * -1),
AR5K_PHY_TX_PWR_ADJ_CCK_GAIN_DELTA) |
AR5K_REG_SM((cck_ofdm_pwr_delta * -1),
AR5K_PHY_TX_PWR_ADJ_CCK_PCDAC_INDEX),
AR5K_PHY_TX_PWR_ADJ);
else
ath5k_hw_reg_write(ah, 0, AR5K_PHY_TX_PWR_ADJ);
+ } else {
+ /* For older revs we scale power on sw during tx power
+ * setup */
+ ah->ah_txpower.txp_cck_ofdm_pwr_delta = cck_ofdm_pwr_delta;
+ ah->ah_txpower.txp_cck_ofdm_gainf_delta =
+ ee->ee_cck_ofdm_gain_delta;
}
/* Set antenna idle switch table */
@@ -994,7 +1000,8 @@ int ath5k_hw_reset(struct ath5k_hw *ah, enum nl80211_iftype op_mode,
/*
* Set TX power (FIXME)
*/
- ret = ath5k_hw_txpower(ah, channel, AR5K_TUNE_DEFAULT_TXPOWER);
+ ret = ath5k_hw_txpower(ah, channel, ee_mode,
+ AR5K_TUNE_DEFAULT_TXPOWER);
if (ret)
return ret;
diff --git a/drivers/net/wireless/ath9k/ahb.c b/drivers/net/wireless/ath9k/ahb.c
index 00cc7bb01f2..0e65c51ba17 100644
--- a/drivers/net/wireless/ath9k/ahb.c
+++ b/drivers/net/wireless/ath9k/ahb.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
* Copyright (c) 2009 Gabor Juhos <juhosg@openwrt.org>
* Copyright (c) 2009 Imre Kaloz <kaloz@openwrt.org>
*
diff --git a/drivers/net/wireless/ath9k/ani.c b/drivers/net/wireless/ath9k/ani.c
index a39eb760cbb..6c5e887d50d 100644
--- a/drivers/net/wireless/ath9k/ani.c
+++ b/drivers/net/wireless/ath9k/ani.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
diff --git a/drivers/net/wireless/ath9k/ani.h b/drivers/net/wireless/ath9k/ani.h
index 7315761f6d7..08b4e7ed5ff 100644
--- a/drivers/net/wireless/ath9k/ani.h
+++ b/drivers/net/wireless/ath9k/ani.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
diff --git a/drivers/net/wireless/ath9k/ath9k.h b/drivers/net/wireless/ath9k/ath9k.h
index b64be8e9a69..2689a08a284 100644
--- a/drivers/net/wireless/ath9k/ath9k.h
+++ b/drivers/net/wireless/ath9k/ath9k.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -295,13 +295,9 @@ struct ath_tx_control {
enum ath9k_internal_frame_type frame_type;
};
-struct ath_xmit_status {
- int retries;
- int flags;
#define ATH_TX_ERROR 0x01
#define ATH_TX_XRETRY 0x02
#define ATH_TX_BAR 0x04
-};
/* All RSSI values are noise floor adjusted */
struct ath_tx_stat {
@@ -390,6 +386,7 @@ void ath_tx_aggr_resume(struct ath_softc *sc, struct ieee80211_sta *sta, u16 tid
struct ath_vif {
int av_bslot;
+ __le64 tsf_adjust; /* TSF adjustment for staggered beacons */
enum nl80211_iftype av_opmode;
struct ath_buf *av_bcbuf;
struct ath_tx_control av_btxctl;
@@ -406,7 +403,7 @@ struct ath_vif {
* number of beacon intervals, the game's up.
*/
#define BSTUCK_THRESH (9 * ATH_BCBUF)
-#define ATH_BCBUF 1
+#define ATH_BCBUF 4
#define ATH_DEFAULT_BINTVAL 100 /* TU */
#define ATH_DEFAULT_BMISS_LIMIT 10
#define IEEE80211_MS_TO_TU(x) (((x) * 1000) / 1024)
diff --git a/drivers/net/wireless/ath9k/beacon.c b/drivers/net/wireless/ath9k/beacon.c
index 039c78136c5..ec995730632 100644
--- a/drivers/net/wireless/ath9k/beacon.c
+++ b/drivers/net/wireless/ath9k/beacon.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -70,7 +70,8 @@ static void ath_beacon_setup(struct ath_softc *sc, struct ath_vif *avp,
ds = bf->bf_desc;
flags = ATH9K_TXDESC_NOACK;
- if (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC &&
+ if (((sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) ||
+ (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT)) &&
(ah->caps.hw_caps & ATH9K_HW_CAP_VEOL)) {
ds->ds_link = bf->bf_daddr; /* self-linked */
flags |= ATH9K_TXDESC_VEOL;
@@ -153,6 +154,8 @@ static struct ath_buf *ath_beacon_generate(struct ieee80211_hw *hw,
bf->bf_mpdu = skb;
if (skb == NULL)
return NULL;
+ ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp =
+ avp->tsf_adjust;
info = IEEE80211_SKB_CB(skb);
if (info->flags & IEEE80211_TX_CTL_ASSIGN_SEQ) {
@@ -253,7 +256,6 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
{
struct ath_softc *sc = aphy->sc;
struct ath_vif *avp;
- struct ieee80211_hdr *hdr;
struct ath_buf *bf;
struct sk_buff *skb;
__le64 tstamp;
@@ -316,42 +318,33 @@ int ath_beacon_alloc(struct ath_wiphy *aphy, struct ieee80211_vif *vif)
tstamp = ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp;
sc->beacon.bc_tstamp = le64_to_cpu(tstamp);
-
- /*
- * Calculate a TSF adjustment factor required for
- * staggered beacons. Note that we assume the format
- * of the beacon frame leaves the tstamp field immediately
- * following the header.
- */
+ /* Calculate a TSF adjustment factor required for staggered beacons. */
if (avp->av_bslot > 0) {
u64 tsfadjust;
- __le64 val;
int intval;
intval = sc->hw->conf.beacon_int ?
sc->hw->conf.beacon_int : ATH_DEFAULT_BINTVAL;
/*
- * The beacon interval is in TU's; the TSF in usecs.
- * We figure out how many TU's to add to align the
- * timestamp then convert to TSF units and handle
- * byte swapping before writing it in the frame.
- * The hardware will then add this each time a beacon
- * frame is sent. Note that we align vif's 1..N
- * and leave vif 0 untouched. This means vap 0
- * has a timestamp in one beacon interval while the
- * others get a timestamp aligned to the next interval.
+ * Calculate the TSF offset for this beacon slot, i.e., the
+ * number of usecs that need to be added to the timestamp field
+ * in Beacon and Probe Response frames. Beacon slot 0 is
+ * processed at the correct offset, so it does not require TSF
+ * adjustment. Other slots are adjusted to get the timestamp
+ * close to the TBTT for the BSS.
*/
- tsfadjust = (intval * (ATH_BCBUF - avp->av_bslot)) / ATH_BCBUF;
- val = cpu_to_le64(tsfadjust << 10); /* TU->TSF */
+ tsfadjust = intval * avp->av_bslot / ATH_BCBUF;
+ avp->tsf_adjust = cpu_to_le64(TU_TO_USEC(tsfadjust));
DPRINTF(sc, ATH_DBG_BEACON,
"stagger beacons, bslot %d intval %u tsfadjust %llu\n",
avp->av_bslot, intval, (unsigned long long)tsfadjust);
- hdr = (struct ieee80211_hdr *)skb->data;
- memcpy(&hdr[1], &val, sizeof(val));
- }
+ ((struct ieee80211_mgmt *)skb->data)->u.beacon.timestamp =
+ avp->tsf_adjust;
+ } else
+ avp->tsf_adjust = cpu_to_le64(0);
bf->bf_mpdu = skb;
bf->bf_buf_addr = bf->bf_dmacontext =
@@ -447,8 +440,16 @@ void ath_beacon_tasklet(unsigned long data)
tsf = ath9k_hw_gettsf64(ah);
tsftu = TSF_TO_TU(tsf>>32, tsf);
slot = ((tsftu % intval) * ATH_BCBUF) / intval;
- vif = sc->beacon.bslot[(slot + 1) % ATH_BCBUF];
- aphy = sc->beacon.bslot_aphy[(slot + 1) % ATH_BCBUF];
+ /*
+ * Reverse the slot order to get slot 0 on the TBTT offset that does
+ * not require TSF adjustment and other slots adding
+ * slot/ATH_BCBUF * beacon_int to timestamp. For example, with
+ * ATH_BCBUF = 4, we process beacon slots as follows: 3 2 1 0 3 2 1 ..
+ * and slot 0 is at correct offset to TBTT.
+ */
+ slot = ATH_BCBUF - slot - 1;
+ vif = sc->beacon.bslot[slot];
+ aphy = sc->beacon.bslot_aphy[slot];
DPRINTF(sc, ATH_DBG_BEACON,
"slot %d [tsf %llu tsftu %u intval %u] vif %p\n",
@@ -728,6 +729,7 @@ void ath_beacon_config(struct ath_softc *sc, struct ieee80211_vif *vif)
ath_beacon_config_ap(sc, &conf, avp);
break;
case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_MESH_POINT:
ath_beacon_config_adhoc(sc, &conf, avp, vif);
break;
case NL80211_IFTYPE_STATION:
diff --git a/drivers/net/wireless/ath9k/calib.c b/drivers/net/wireless/ath9k/calib.c
index c9446fb6b15..e2d62e97131 100644
--- a/drivers/net/wireless/ath9k/calib.c
+++ b/drivers/net/wireless/ath9k/calib.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
diff --git a/drivers/net/wireless/ath9k/calib.h b/drivers/net/wireless/ath9k/calib.h
index 32589e0c501..1c74bd50700 100644
--- a/drivers/net/wireless/ath9k/calib.h
+++ b/drivers/net/wireless/ath9k/calib.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
diff --git a/drivers/net/wireless/ath9k/debug.c b/drivers/net/wireless/ath9k/debug.c
index 82573cadb1a..fdf9528fa49 100644
--- a/drivers/net/wireless/ath9k/debug.c
+++ b/drivers/net/wireless/ath9k/debug.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
diff --git a/drivers/net/wireless/ath9k/debug.h b/drivers/net/wireless/ath9k/debug.h
index 065268b8568..7b0e5419d2b 100644
--- a/drivers/net/wireless/ath9k/debug.h
+++ b/drivers/net/wireless/ath9k/debug.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
diff --git a/drivers/net/wireless/ath9k/eeprom.c b/drivers/net/wireless/ath9k/eeprom.c
index 183c949bcca..ffc36b0361c 100644
--- a/drivers/net/wireless/ath9k/eeprom.c
+++ b/drivers/net/wireless/ath9k/eeprom.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -342,8 +342,7 @@ static int ath9k_hw_4k_get_eeprom_rev(struct ath_hw *ah)
static bool ath9k_hw_4k_fill_eeprom(struct ath_hw *ah)
{
#define SIZE_EEPROM_4K (sizeof(struct ar5416_eeprom_4k) / sizeof(u16))
- struct ar5416_eeprom_4k *eep = &ah->eeprom.map4k;
- u16 *eep_data;
+ u16 *eep_data = (u16 *)&ah->eeprom.map4k;
int addr, eep_start_loc = 0;
eep_start_loc = 64;
@@ -353,8 +352,6 @@ static bool ath9k_hw_4k_fill_eeprom(struct ath_hw *ah)
"Reading from EEPROM, not flash\n");
}
- eep_data = (u16 *)eep;
-
for (addr = 0; addr < SIZE_EEPROM_4K; addr++) {
if (!ath9k_hw_nvram_read(ah, addr + eep_start_loc, eep_data)) {
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
@@ -363,6 +360,7 @@ static bool ath9k_hw_4k_fill_eeprom(struct ath_hw *ah)
}
eep_data++;
}
+
return true;
#undef SIZE_EEPROM_4K
}
@@ -379,16 +377,15 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
if (!ath9k_hw_use_flash(ah)) {
-
if (!ath9k_hw_nvram_read(ah, AR5416_EEPROM_MAGIC_OFFSET,
&magic)) {
- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
"Reading Magic # failed\n");
return false;
}
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
- "Read Magic = 0x%04X\n", magic);
+ "Read Magic = 0x%04X\n", magic);
if (magic != AR5416_EEPROM_MAGIC) {
magic2 = swab16(magic);
@@ -401,16 +398,9 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
temp = swab16(*eepdata);
*eepdata = temp;
eepdata++;
-
- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
- "0x%04X ", *eepdata);
-
- if (((addr + 1) % 6) == 0)
- DPRINTF(ah->ah_sc,
- ATH_DBG_EEPROM, "\n");
}
} else {
- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
"Invalid EEPROM Magic. "
"endianness mismatch.\n");
return -EINVAL;
@@ -426,7 +416,7 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
else
el = ah->eeprom.map4k.baseEepHeader.length;
- if (el > sizeof(struct ar5416_eeprom_def))
+ if (el > sizeof(struct ar5416_eeprom_4k))
el = sizeof(struct ar5416_eeprom_4k) / sizeof(u16);
else
el = el / sizeof(u16);
@@ -441,7 +431,7 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
u16 word;
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
- "EEPROM Endianness is not native.. Changing \n");
+ "EEPROM Endianness is not native.. Changing\n");
word = swab16(eep->baseEepHeader.length);
eep->baseEepHeader.length = word;
@@ -483,7 +473,7 @@ static int ath9k_hw_4k_check_eeprom(struct ath_hw *ah)
if (sum != 0xffff || ah->eep_ops->get_eeprom_ver(ah) != AR5416_EEP_VER ||
ah->eep_ops->get_eeprom_rev(ah) < AR5416_EEP_NO_BACK_VER) {
- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
"Bad EEPROM checksum 0x%x or revision 0x%04x\n",
sum, ah->eep_ops->get_eeprom_ver(ah));
return -EINVAL;
@@ -1203,57 +1193,63 @@ static void ath9k_hw_4k_set_addac(struct ath_hw *ah,
}
}
-static bool ath9k_hw_4k_set_board_values(struct ath_hw *ah,
- struct ath9k_channel *chan)
+static void ath9k_hw_4k_set_gain(struct ath_hw *ah,
+ struct modal_eep_4k_header *pModal,
+ struct ar5416_eeprom_4k *eep,
+ u8 txRxAttenLocal, int regChainOffset)
{
- struct modal_eep_4k_header *pModal;
- struct ar5416_eeprom_4k *eep = &ah->eeprom.map4k;
- int regChainOffset;
- u8 txRxAttenLocal;
- u8 ob[5], db1[5], db2[5];
- u8 ant_div_control1, ant_div_control2;
- u32 regVal;
-
-
- pModal = &eep->modalHeader;
-
- txRxAttenLocal = 23;
-
- REG_WRITE(ah, AR_PHY_SWITCH_COM,
- ah->eep_ops->get_eeprom_antenna_cfg(ah, chan));
-
- regChainOffset = 0;
REG_WRITE(ah, AR_PHY_SWITCH_CHAIN_0 + regChainOffset,
pModal->antCtrlChain[0]);
REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0) + regChainOffset,
- (REG_READ(ah, AR_PHY_TIMING_CTRL4(0) + regChainOffset) &
- ~(AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF |
- AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF)) |
- SM(pModal->iqCalICh[0], AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF) |
- SM(pModal->iqCalQCh[0], AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF));
+ (REG_READ(ah, AR_PHY_TIMING_CTRL4(0) + regChainOffset) &
+ ~(AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF |
+ AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF)) |
+ SM(pModal->iqCalICh[0], AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF) |
+ SM(pModal->iqCalQCh[0], AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF));
if ((eep->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK) >=
- AR5416_EEP_MINOR_VER_3) {
+ AR5416_EEP_MINOR_VER_3) {
txRxAttenLocal = pModal->txRxAttenCh[0];
+
REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + regChainOffset,
- AR_PHY_GAIN_2GHZ_XATTEN1_MARGIN, pModal->bswMargin[0]);
+ AR_PHY_GAIN_2GHZ_XATTEN1_MARGIN, pModal->bswMargin[0]);
REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + regChainOffset,
- AR_PHY_GAIN_2GHZ_XATTEN1_DB, pModal->bswAtten[0]);
+ AR_PHY_GAIN_2GHZ_XATTEN1_DB, pModal->bswAtten[0]);
REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + regChainOffset,
- AR_PHY_GAIN_2GHZ_XATTEN2_MARGIN,
- pModal->xatten2Margin[0]);
+ AR_PHY_GAIN_2GHZ_XATTEN2_MARGIN,
+ pModal->xatten2Margin[0]);
REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + regChainOffset,
- AR_PHY_GAIN_2GHZ_XATTEN2_DB, pModal->xatten2Db[0]);
+ AR_PHY_GAIN_2GHZ_XATTEN2_DB, pModal->xatten2Db[0]);
}
REG_RMW_FIELD(ah, AR_PHY_RXGAIN + regChainOffset,
- AR9280_PHY_RXGAIN_TXRX_ATTEN, txRxAttenLocal);
+ AR9280_PHY_RXGAIN_TXRX_ATTEN, txRxAttenLocal);
REG_RMW_FIELD(ah, AR_PHY_RXGAIN + regChainOffset,
- AR9280_PHY_RXGAIN_TXRX_MARGIN, pModal->rxTxMarginCh[0]);
+ AR9280_PHY_RXGAIN_TXRX_MARGIN, pModal->rxTxMarginCh[0]);
if (AR_SREV_9285_11(ah))
REG_WRITE(ah, AR9285_AN_TOP4, (AR9285_AN_TOP4_DEFAULT | 0x14));
+}
+
+static void ath9k_hw_4k_set_board_values(struct ath_hw *ah,
+ struct ath9k_channel *chan)
+{
+ struct modal_eep_4k_header *pModal;
+ struct ar5416_eeprom_4k *eep = &ah->eeprom.map4k;
+ u8 txRxAttenLocal;
+ u8 ob[5], db1[5], db2[5];
+ u8 ant_div_control1, ant_div_control2;
+ u32 regVal;
+
+ pModal = &eep->modalHeader;
+ txRxAttenLocal = 23;
+
+ REG_WRITE(ah, AR_PHY_SWITCH_COM,
+ ah->eep_ops->get_eeprom_antenna_cfg(ah, chan));
+
+ /* Single chain for 4K EEPROM*/
+ ath9k_hw_4k_set_gain(ah, pModal, eep, txRxAttenLocal, 0);
/* Initialize Ant Diversity settings from EEPROM */
if (pModal->version == 3) {
@@ -1295,9 +1291,6 @@ static bool ath9k_hw_4k_set_board_values(struct ath_hw *ah,
db2[4] = ((pModal->db2_234 >> 8) & 0xf);
} else if (pModal->version == 1) {
-
- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
- "EEPROM Model version is set to 1 \n");
ob[0] = (pModal->ob_01 & 0xf);
ob[1] = ob[2] = ob[3] = ob[4] = (pModal->ob_01 >> 4) & 0xf;
db1[0] = (pModal->db1_01 & 0xf);
@@ -1385,8 +1378,6 @@ static bool ath9k_hw_4k_set_board_values(struct ath_hw *ah,
AR_PHY_SETTLING_SWITCH,
pModal->swSettleHt40);
}
-
- return true;
}
static u16 ath9k_hw_4k_get_eeprom_antenna_cfg(struct ath_hw *ah,
@@ -1464,16 +1455,13 @@ static int ath9k_hw_def_get_eeprom_rev(struct ath_hw *ah)
static bool ath9k_hw_def_fill_eeprom(struct ath_hw *ah)
{
#define SIZE_EEPROM_DEF (sizeof(struct ar5416_eeprom_def) / sizeof(u16))
- struct ar5416_eeprom_def *eep = &ah->eeprom.def;
- u16 *eep_data;
+ u16 *eep_data = (u16 *)&ah->eeprom.def;
int addr, ar5416_eep_start_loc = 0x100;
- eep_data = (u16 *)eep;
-
for (addr = 0; addr < SIZE_EEPROM_DEF; addr++) {
if (!ath9k_hw_nvram_read(ah, addr + ar5416_eep_start_loc,
eep_data)) {
- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
"Unable to read eeprom region\n");
return false;
}
@@ -1492,17 +1480,14 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
bool need_swap = false;
int i, addr, size;
- if (!ath9k_hw_nvram_read(ah, AR5416_EEPROM_MAGIC_OFFSET,
- &magic)) {
- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
- "Reading Magic # failed\n");
+ if (!ath9k_hw_nvram_read(ah, AR5416_EEPROM_MAGIC_OFFSET, &magic)) {
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL, "Reading Magic # failed\n");
return false;
}
if (!ath9k_hw_use_flash(ah)) {
-
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
- "Read Magic = 0x%04X\n", magic);
+ "Read Magic = 0x%04X\n", magic);
if (magic != AR5416_EEPROM_MAGIC) {
magic2 = swab16(magic);
@@ -1516,18 +1501,11 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
temp = swab16(*eepdata);
*eepdata = temp;
eepdata++;
-
- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
- "0x%04X ", *eepdata);
-
- if (((addr + 1) % 6) == 0)
- DPRINTF(ah->ah_sc,
- ATH_DBG_EEPROM, "\n");
}
} else {
- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
"Invalid EEPROM Magic. "
- "endianness mismatch.\n");
+ "Endianness mismatch.\n");
return -EINVAL;
}
}
@@ -1556,7 +1534,7 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
u16 word;
DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
- "EEPROM Endianness is not native.. Changing \n");
+ "EEPROM Endianness is not native.. Changing.\n");
word = swab16(eep->baseEepHeader.length);
eep->baseEepHeader.length = word;
@@ -1602,7 +1580,7 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
if (sum != 0xffff || ah->eep_ops->get_eeprom_ver(ah) != AR5416_EEP_VER ||
ah->eep_ops->get_eeprom_rev(ah) < AR5416_EEP_NO_BACK_VER) {
- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
+ DPRINTF(ah->ah_sc, ATH_DBG_FATAL,
"Bad EEPROM checksum 0x%x or revision 0x%04x\n",
sum, ah->eep_ops->get_eeprom_ver(ah));
return -EINVAL;
@@ -1614,7 +1592,6 @@ static int ath9k_hw_def_check_eeprom(struct ath_hw *ah)
static u32 ath9k_hw_def_get_eeprom(struct ath_hw *ah,
enum eeprom_param param)
{
-#define AR5416_VER_MASK (pBase->version & AR5416_EEP_VER_MINOR_MASK)
struct ar5416_eeprom_def *eep = &ah->eeprom.def;
struct modal_eep_header *pModal = eep->modalHeader;
struct base_eep_header *pBase = &eep->baseEepHeader;
@@ -1681,21 +1658,73 @@ static u32 ath9k_hw_def_get_eeprom(struct ath_hw *ah,
default:
return 0;
}
-#undef AR5416_VER_MASK
}
-/* XXX: Clean me up, make me more legible */
-static bool ath9k_hw_def_set_board_values(struct ath_hw *ah,
+static void ath9k_hw_def_set_gain(struct ath_hw *ah,
+ struct modal_eep_header *pModal,
+ struct ar5416_eeprom_def *eep,
+ u8 txRxAttenLocal, int regChainOffset, int i)
+{
+ if (AR5416_VER_MASK >= AR5416_EEP_MINOR_VER_3) {
+ txRxAttenLocal = pModal->txRxAttenCh[i];
+
+ if (AR_SREV_9280_10_OR_LATER(ah)) {
+ REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + regChainOffset,
+ AR_PHY_GAIN_2GHZ_XATTEN1_MARGIN,
+ pModal->bswMargin[i]);
+ REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + regChainOffset,
+ AR_PHY_GAIN_2GHZ_XATTEN1_DB,
+ pModal->bswAtten[i]);
+ REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + regChainOffset,
+ AR_PHY_GAIN_2GHZ_XATTEN2_MARGIN,
+ pModal->xatten2Margin[i]);
+ REG_RMW_FIELD(ah, AR_PHY_GAIN_2GHZ + regChainOffset,
+ AR_PHY_GAIN_2GHZ_XATTEN2_DB,
+ pModal->xatten2Db[i]);
+ } else {
+ REG_WRITE(ah, AR_PHY_GAIN_2GHZ + regChainOffset,
+ (REG_READ(ah, AR_PHY_GAIN_2GHZ + regChainOffset) &
+ ~AR_PHY_GAIN_2GHZ_BSW_MARGIN)
+ | SM(pModal-> bswMargin[i],
+ AR_PHY_GAIN_2GHZ_BSW_MARGIN));
+ REG_WRITE(ah, AR_PHY_GAIN_2GHZ + regChainOffset,
+ (REG_READ(ah, AR_PHY_GAIN_2GHZ + regChainOffset) &
+ ~AR_PHY_GAIN_2GHZ_BSW_ATTEN)
+ | SM(pModal->bswAtten[i],
+ AR_PHY_GAIN_2GHZ_BSW_ATTEN));
+ }
+ }
+
+ if (AR_SREV_9280_10_OR_LATER(ah)) {
+ REG_RMW_FIELD(ah,
+ AR_PHY_RXGAIN + regChainOffset,
+ AR9280_PHY_RXGAIN_TXRX_ATTEN, txRxAttenLocal);
+ REG_RMW_FIELD(ah,
+ AR_PHY_RXGAIN + regChainOffset,
+ AR9280_PHY_RXGAIN_TXRX_MARGIN, pModal->rxTxMarginCh[i]);
+ } else {
+ REG_WRITE(ah,
+ AR_PHY_RXGAIN + regChainOffset,
+ (REG_READ(ah, AR_PHY_RXGAIN + regChainOffset) &
+ ~AR_PHY_RXGAIN_TXRX_ATTEN)
+ | SM(txRxAttenLocal, AR_PHY_RXGAIN_TXRX_ATTEN));
+ REG_WRITE(ah,
+ AR_PHY_GAIN_2GHZ + regChainOffset,
+ (REG_READ(ah, AR_PHY_GAIN_2GHZ + regChainOffset) &
+ ~AR_PHY_GAIN_2GHZ_RXTX_MARGIN) |
+ SM(pModal->rxTxMarginCh[i], AR_PHY_GAIN_2GHZ_RXTX_MARGIN));
+ }
+}
+
+static void ath9k_hw_def_set_board_values(struct ath_hw *ah,
struct ath9k_channel *chan)
{
-#define AR5416_VER_MASK (eep->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK)
struct modal_eep_header *pModal;
struct ar5416_eeprom_def *eep = &ah->eeprom.def;
int i, regChainOffset;
u8 txRxAttenLocal;
pModal = &(eep->modalHeader[IS_CHAN_2GHZ(chan)]);
-
txRxAttenLocal = IS_CHAN_2GHZ(chan) ? 23 : 44;
REG_WRITE(ah, AR_PHY_SWITCH_COM,
@@ -1708,8 +1737,7 @@ static bool ath9k_hw_def_set_board_values(struct ath_hw *ah,
}
if (AR_SREV_5416_20_OR_LATER(ah) &&
- (ah->rxchainmask == 5 || ah->txchainmask == 5)
- && (i != 0))
+ (ah->rxchainmask == 5 || ah->txchainmask == 5) && (i != 0))
regChainOffset = (i == 1) ? 0x2000 : 0x1000;
else
regChainOffset = i * 0x1000;
@@ -1718,9 +1746,7 @@ static bool ath9k_hw_def_set_board_values(struct ath_hw *ah,
pModal->antCtrlChain[i]);
REG_WRITE(ah, AR_PHY_TIMING_CTRL4(0) + regChainOffset,
- (REG_READ(ah,
- AR_PHY_TIMING_CTRL4(0) +
- regChainOffset) &
+ (REG_READ(ah, AR_PHY_TIMING_CTRL4(0) + regChainOffset) &
~(AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF |
AR_PHY_TIMING_CTRL4_IQCORR_Q_I_COFF)) |
SM(pModal->iqCalICh[i],
@@ -1728,87 +1754,9 @@ static bool ath9k_hw_def_set_board_values(struct ath_hw *ah,
SM(pModal->iqCalQCh[i],
AR_PHY_TIMING_CTRL4_IQCORR_Q_Q_COFF));
- if ((i == 0) || AR_SREV_5416_20_OR_LATER(ah)) {
- if (AR5416_VER_MASK >= AR5416_EEP_MINOR_VER_3) {
- txRxAttenLocal = pModal->txRxAttenCh[i];
- if (AR_SREV_9280_10_OR_LATER(ah)) {
- REG_RMW_FIELD(ah,
- AR_PHY_GAIN_2GHZ +
- regChainOffset,
- AR_PHY_GAIN_2GHZ_XATTEN1_MARGIN,
- pModal->
- bswMargin[i]);
- REG_RMW_FIELD(ah,
- AR_PHY_GAIN_2GHZ +
- regChainOffset,
- AR_PHY_GAIN_2GHZ_XATTEN1_DB,
- pModal->
- bswAtten[i]);
- REG_RMW_FIELD(ah,
- AR_PHY_GAIN_2GHZ +
- regChainOffset,
- AR_PHY_GAIN_2GHZ_XATTEN2_MARGIN,
- pModal->
- xatten2Margin[i]);
- REG_RMW_FIELD(ah,
- AR_PHY_GAIN_2GHZ +
- regChainOffset,
- AR_PHY_GAIN_2GHZ_XATTEN2_DB,
- pModal->
- xatten2Db[i]);
- } else {
- REG_WRITE(ah,
- AR_PHY_GAIN_2GHZ +
- regChainOffset,
- (REG_READ(ah,
- AR_PHY_GAIN_2GHZ +
- regChainOffset) &
- ~AR_PHY_GAIN_2GHZ_BSW_MARGIN)
- | SM(pModal->
- bswMargin[i],
- AR_PHY_GAIN_2GHZ_BSW_MARGIN));
- REG_WRITE(ah,
- AR_PHY_GAIN_2GHZ +
- regChainOffset,
- (REG_READ(ah,
- AR_PHY_GAIN_2GHZ +
- regChainOffset) &
- ~AR_PHY_GAIN_2GHZ_BSW_ATTEN)
- | SM(pModal->bswAtten[i],
- AR_PHY_GAIN_2GHZ_BSW_ATTEN));
- }
- }
- if (AR_SREV_9280_10_OR_LATER(ah)) {
- REG_RMW_FIELD(ah,
- AR_PHY_RXGAIN +
- regChainOffset,
- AR9280_PHY_RXGAIN_TXRX_ATTEN,
- txRxAttenLocal);
- REG_RMW_FIELD(ah,
- AR_PHY_RXGAIN +
- regChainOffset,
- AR9280_PHY_RXGAIN_TXRX_MARGIN,
- pModal->rxTxMarginCh[i]);
- } else {
- REG_WRITE(ah,
- AR_PHY_RXGAIN + regChainOffset,
- (REG_READ(ah,
- AR_PHY_RXGAIN +
- regChainOffset) &
- ~AR_PHY_RXGAIN_TXRX_ATTEN) |
- SM(txRxAttenLocal,
- AR_PHY_RXGAIN_TXRX_ATTEN));
- REG_WRITE(ah,
- AR_PHY_GAIN_2GHZ +
- regChainOffset,
- (REG_READ(ah,
- AR_PHY_GAIN_2GHZ +
- regChainOffset) &
- ~AR_PHY_GAIN_2GHZ_RXTX_MARGIN) |
- SM(pModal->rxTxMarginCh[i],
- AR_PHY_GAIN_2GHZ_RXTX_MARGIN));
- }
- }
+ if ((i == 0) || AR_SREV_5416_20_OR_LATER(ah))
+ ath9k_hw_def_set_gain(ah, pModal, eep, txRxAttenLocal,
+ regChainOffset, i);
}
if (AR_SREV_9280_10_OR_LATER(ah)) {
@@ -1855,8 +1803,6 @@ static bool ath9k_hw_def_set_board_values(struct ath_hw *ah,
AR_AN_TOP2_LOCALBIAS,
AR_AN_TOP2_LOCALBIAS_S,
pModal->local_bias);
- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM, "ForceXPAon: %d\n",
- pModal->force_xpaon);
REG_RMW_FIELD(ah, AR_PHY_XPA_CFG, AR_PHY_FORCE_XPA_CFG,
pModal->force_xpaon);
}
@@ -1882,6 +1828,7 @@ static bool ath9k_hw_def_set_board_values(struct ath_hw *ah,
REG_RMW_FIELD(ah, AR_PHY_RF_CTL3, AR_PHY_TX_END_TO_A2_RX_ON,
pModal->txEndToRxOn);
+
if (AR_SREV_9280_10_OR_LATER(ah)) {
REG_RMW_FIELD(ah, AR_PHY_CCA, AR9280_PHY_CCA_THRESH62,
pModal->thresh62);
@@ -1912,10 +1859,10 @@ static bool ath9k_hw_def_set_board_values(struct ath_hw *ah,
}
if (AR_SREV_9280_20_OR_LATER(ah) &&
- AR5416_VER_MASK >= AR5416_EEP_MINOR_VER_19)
+ AR5416_VER_MASK >= AR5416_EEP_MINOR_VER_19)
REG_RMW_FIELD(ah, AR_PHY_CCK_TX_CTRL,
- AR_PHY_CCK_TX_CTRL_TX_DAC_SCALE_CCK,
- pModal->miscBits);
+ AR_PHY_CCK_TX_CTRL_TX_DAC_SCALE_CCK,
+ pModal->miscBits);
if (AR_SREV_9280_20(ah) && AR5416_VER_MASK >= AR5416_EEP_MINOR_VER_20) {
@@ -1926,18 +1873,15 @@ static bool ath9k_hw_def_set_board_values(struct ath_hw *ah,
REG_RMW_FIELD(ah, AR_AN_TOP1, AR_AN_TOP1_DACIPMODE, 0);
else
REG_RMW_FIELD(ah, AR_AN_TOP1, AR_AN_TOP1_DACIPMODE,
- eep->baseEepHeader.dacLpMode);
+ eep->baseEepHeader.dacLpMode);
REG_RMW_FIELD(ah, AR_PHY_FRAME_CTL, AR_PHY_FRAME_CTL_TX_CLIP,
- pModal->miscBits >> 2);
+ pModal->miscBits >> 2);
REG_RMW_FIELD(ah, AR_PHY_TX_PWRCTRL9,
- AR_PHY_TX_DESIRED_SCALE_CCK,
- eep->baseEepHeader.desiredScaleCCK);
+ AR_PHY_TX_DESIRED_SCALE_CCK,
+ eep->baseEepHeader.desiredScaleCCK);
}
-
- return true;
-#undef AR5416_VER_MASK
}
static void ath9k_hw_def_set_addac(struct ath_hw *ah,
diff --git a/drivers/net/wireless/ath9k/eeprom.h b/drivers/net/wireless/ath9k/eeprom.h
index d6f6108f63c..25b68c881ff 100644
--- a/drivers/net/wireless/ath9k/eeprom.h
+++ b/drivers/net/wireless/ath9k/eeprom.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -95,6 +95,7 @@
#define FREQ2FBIN(x, y) ((y) ? ((x) - 2300) : (((x) - 4800) / 5))
#define ath9k_hw_use_flash(_ah) (!(_ah->ah_flags & AH_USE_EEPROM))
+#define AR5416_VER_MASK (eep->baseEepHeader.version & AR5416_EEP_VER_MINOR_MASK)
#define OLC_FOR_AR9280_20_LATER (AR_SREV_9280_20_OR_LATER(ah) && \
ah->eep_ops->get_eeprom(ah, EEP_OL_PWRCTRL))
@@ -489,7 +490,7 @@ struct eeprom_ops {
u8 (*get_num_ant_config)(struct ath_hw *hw, enum ieee80211_band band);
u16 (*get_eeprom_antenna_cfg)(struct ath_hw *hw,
struct ath9k_channel *chan);
- bool (*set_board_values)(struct ath_hw *hw, struct ath9k_channel *chan);
+ void (*set_board_values)(struct ath_hw *hw, struct ath9k_channel *chan);
void (*set_addac)(struct ath_hw *hw, struct ath9k_channel *chan);
int (*set_txpower)(struct ath_hw *hw, struct ath9k_channel *chan,
u16 cfgCtl, u8 twiceAntennaReduction,
diff --git a/drivers/net/wireless/ath9k/hw.c b/drivers/net/wireless/ath9k/hw.c
index d494e98ba97..b15eaf8417f 100644
--- a/drivers/net/wireless/ath9k/hw.c
+++ b/drivers/net/wireless/ath9k/hw.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -588,6 +588,10 @@ static int ath9k_hw_post_attach(struct ath_hw *ah)
ecode = ath9k_hw_eeprom_attach(ah);
if (ecode != 0)
return ecode;
+
+ DPRINTF(ah->ah_sc, ATH_DBG_CONFIG, "Eeprom VER: %d, REV: %d\n",
+ ah->eep_ops->get_eeprom_ver(ah), ah->eep_ops->get_eeprom_rev(ah));
+
ecode = ath9k_hw_rfattach(ah);
if (ecode != 0)
return ecode;
@@ -1444,6 +1448,7 @@ static void ath9k_hw_set_operating_mode(struct ath_hw *ah, int opmode)
REG_CLR_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
break;
case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_MESH_POINT:
REG_WRITE(ah, AR_STA_ID1, val | AR_STA_ID1_ADHOC
| AR_STA_ID1_KSRCH_MODE);
REG_SET_BIT(ah, AR_CFG, AR_CFG_AP_ADHOC_INDICATION);
@@ -2273,11 +2278,7 @@ int ath9k_hw_reset(struct ath_hw *ah, struct ath9k_channel *chan,
else
ath9k_hw_spur_mitigate(ah, chan);
- if (!ah->eep_ops->set_board_values(ah, chan)) {
- DPRINTF(ah->ah_sc, ATH_DBG_EEPROM,
- "error setting board options\n");
- return -EIO;
- }
+ ah->eep_ops->set_board_values(ah, chan);
ath9k_hw_decrease_chain_power(ah, chan);
@@ -3149,6 +3150,7 @@ void ath9k_hw_beaconinit(struct ath_hw *ah, u32 next_beacon, u32 beacon_period)
flags |= AR_TBTT_TIMER_EN;
break;
case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_MESH_POINT:
REG_SET_BIT(ah, AR_TXCFG,
AR_TXCFG_ADHOC_BEACON_ATIM_TX_POLICY);
REG_WRITE(ah, AR_NEXT_NDP_TIMER,
diff --git a/drivers/net/wireless/ath9k/hw.h b/drivers/net/wireless/ath9k/hw.h
index dc681f011fd..0b594e0ee26 100644
--- a/drivers/net/wireless/ath9k/hw.h
+++ b/drivers/net/wireless/ath9k/hw.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
diff --git a/drivers/net/wireless/ath9k/initvals.h b/drivers/net/wireless/ath9k/initvals.h
index 1d60c3706f1..e2f0a34b79a 100644
--- a/drivers/net/wireless/ath9k/initvals.h
+++ b/drivers/net/wireless/ath9k/initvals.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
diff --git a/drivers/net/wireless/ath9k/mac.c b/drivers/net/wireless/ath9k/mac.c
index f757bc7eec6..e0a6dee4583 100644
--- a/drivers/net/wireless/ath9k/mac.c
+++ b/drivers/net/wireless/ath9k/mac.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
diff --git a/drivers/net/wireless/ath9k/mac.h b/drivers/net/wireless/ath9k/mac.h
index a75f65dae1d..1176bce8b76 100644
--- a/drivers/net/wireless/ath9k/mac.h
+++ b/drivers/net/wireless/ath9k/mac.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
diff --git a/drivers/net/wireless/ath9k/main.c b/drivers/net/wireless/ath9k/main.c
index 8db75f6de53..13d4e6756c9 100644
--- a/drivers/net/wireless/ath9k/main.c
+++ b/drivers/net/wireless/ath9k/main.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -940,18 +940,25 @@ static void ath_led_blink_work(struct work_struct *work)
if (!(sc->sc_flags & SC_OP_LED_ASSOCIATED))
return;
- ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN,
- (sc->sc_flags & SC_OP_LED_ON) ? 1 : 0);
+
+ if ((sc->led_on_duration == ATH_LED_ON_DURATION_IDLE) ||
+ (sc->led_off_duration == ATH_LED_OFF_DURATION_IDLE))
+ ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN, 0);
+ else
+ ath9k_hw_set_gpio(sc->sc_ah, ATH_LED_PIN,
+ (sc->sc_flags & SC_OP_LED_ON) ? 1 : 0);
queue_delayed_work(sc->hw->workqueue, &sc->ath_led_blink_work,
(sc->sc_flags & SC_OP_LED_ON) ?
msecs_to_jiffies(sc->led_off_duration) :
msecs_to_jiffies(sc->led_on_duration));
- sc->led_on_duration =
- max((ATH_LED_ON_DURATION_IDLE - sc->led_on_cnt), 25);
- sc->led_off_duration =
- max((ATH_LED_OFF_DURATION_IDLE - sc->led_off_cnt), 10);
+ sc->led_on_duration = sc->led_on_cnt ?
+ max((ATH_LED_ON_DURATION_IDLE - sc->led_on_cnt), 25) :
+ ATH_LED_ON_DURATION_IDLE;
+ sc->led_off_duration = sc->led_off_cnt ?
+ max((ATH_LED_OFF_DURATION_IDLE - sc->led_off_cnt), 10) :
+ ATH_LED_OFF_DURATION_IDLE;
sc->led_on_cnt = sc->led_off_cnt = 0;
if (sc->sc_flags & SC_OP_LED_ON)
sc->sc_flags &= ~SC_OP_LED_ON;
@@ -1592,7 +1599,8 @@ void ath_set_hw_capab(struct ath_softc *sc, struct ieee80211_hw *hw)
hw->wiphy->interface_modes =
BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_STATION) |
- BIT(NL80211_IFTYPE_ADHOC);
+ BIT(NL80211_IFTYPE_ADHOC) |
+ BIT(NL80211_IFTYPE_MESH_POINT);
hw->wiphy->reg_notifier = ath9k_reg_notifier;
hw->wiphy->strict_regulatory = true;
@@ -2200,18 +2208,13 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
ic_opmode = NL80211_IFTYPE_STATION;
break;
case NL80211_IFTYPE_ADHOC:
- if (sc->nbcnvifs >= ATH_BCBUF) {
- ret = -ENOBUFS;
- goto out;
- }
- ic_opmode = NL80211_IFTYPE_ADHOC;
- break;
case NL80211_IFTYPE_AP:
+ case NL80211_IFTYPE_MESH_POINT:
if (sc->nbcnvifs >= ATH_BCBUF) {
ret = -ENOBUFS;
goto out;
}
- ic_opmode = NL80211_IFTYPE_AP;
+ ic_opmode = conf->type;
break;
default:
DPRINTF(sc, ATH_DBG_FATAL,
@@ -2247,7 +2250,8 @@ static int ath9k_add_interface(struct ieee80211_hw *hw,
* Note we only do this (at the moment) for station mode.
*/
if ((conf->type == NL80211_IFTYPE_STATION) ||
- (conf->type == NL80211_IFTYPE_ADHOC)) {
+ (conf->type == NL80211_IFTYPE_ADHOC) ||
+ (conf->type == NL80211_IFTYPE_MESH_POINT)) {
if (ath9k_hw_phycounters(sc->sc_ah))
sc->imask |= ATH9K_INT_MIB;
sc->imask |= ATH9K_INT_TSFOOR;
@@ -2294,8 +2298,9 @@ static void ath9k_remove_interface(struct ieee80211_hw *hw,
del_timer_sync(&sc->ani.timer);
/* Reclaim beacon resources */
- if (sc->sc_ah->opmode == NL80211_IFTYPE_AP ||
- sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) {
+ if ((sc->sc_ah->opmode == NL80211_IFTYPE_AP) ||
+ (sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC) ||
+ (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT)) {
ath9k_hw_stoptxdma(sc->sc_ah, sc->beacon.beaconq);
ath_beacon_return(sc, avp);
}
@@ -2428,6 +2433,7 @@ static int ath9k_config_interface(struct ieee80211_hw *hw,
switch (vif->type) {
case NL80211_IFTYPE_STATION:
case NL80211_IFTYPE_ADHOC:
+ case NL80211_IFTYPE_MESH_POINT:
/* Set BSSID */
memcpy(sc->curbssid, conf->bssid, ETH_ALEN);
memcpy(avp->bssid, conf->bssid, ETH_ALEN);
@@ -2451,7 +2457,8 @@ static int ath9k_config_interface(struct ieee80211_hw *hw,
}
if ((vif->type == NL80211_IFTYPE_ADHOC) ||
- (vif->type == NL80211_IFTYPE_AP)) {
+ (vif->type == NL80211_IFTYPE_AP) ||
+ (vif->type == NL80211_IFTYPE_MESH_POINT)) {
if ((conf->changed & IEEE80211_IFCC_BEACON) ||
(conf->changed & IEEE80211_IFCC_BEACON_ENABLED &&
conf->enable_beacon)) {
@@ -2723,7 +2730,7 @@ static int ath9k_ampdu_action(struct ieee80211_hw *hw,
ieee80211_stop_tx_ba_cb_irqsafe(hw, sta->addr, tid);
break;
- case IEEE80211_AMPDU_TX_RESUME:
+ case IEEE80211_AMPDU_TX_OPERATIONAL:
ath_tx_aggr_resume(sc, sta, tid);
break;
default:
diff --git a/drivers/net/wireless/ath9k/pci.c b/drivers/net/wireless/ath9k/pci.c
index 9a58baabb9c..6dbc58580ab 100644
--- a/drivers/net/wireless/ath9k/pci.c
+++ b/drivers/net/wireless/ath9k/pci.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -87,7 +87,6 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
struct ath_softc *sc;
struct ieee80211_hw *hw;
u8 csz;
- u32 val;
int ret = 0;
struct ath_hw *ah;
@@ -134,14 +133,6 @@ static int ath_pci_probe(struct pci_dev *pdev, const struct pci_device_id *id)
pci_set_master(pdev);
- /*
- * Disable the RETRY_TIMEOUT register (0x41) to keep
- * PCI Tx retries from interfering with C3 CPU state.
- */
- pci_read_config_dword(pdev, 0x40, &val);
- if ((val & 0x0000ff00) != 0)
- pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
-
ret = pci_request_region(pdev, 0, "ath9k");
if (ret) {
dev_err(&pdev->dev, "PCI memory region reserve error\n");
@@ -253,21 +244,12 @@ static int ath_pci_resume(struct pci_dev *pdev)
struct ieee80211_hw *hw = pci_get_drvdata(pdev);
struct ath_wiphy *aphy = hw->priv;
struct ath_softc *sc = aphy->sc;
- u32 val;
int err;
err = pci_enable_device(pdev);
if (err)
return err;
pci_restore_state(pdev);
- /*
- * Suspend/Resume resets the PCI configuration space, so we have to
- * re-disable the RETRY_TIMEOUT register (0x41) to keep
- * PCI Tx retries from interfering with C3 CPU state
- */
- pci_read_config_dword(pdev, 0x40, &val);
- if ((val & 0x0000ff00) != 0)
- pci_write_config_dword(pdev, 0x40, val & 0xffff00ff);
/* Enable LED */
ath9k_hw_cfg_output(sc->sc_ah, ATH_LED_PIN,
diff --git a/drivers/net/wireless/ath9k/phy.c b/drivers/net/wireless/ath9k/phy.c
index e1494bae0f9..8bcba906929 100644
--- a/drivers/net/wireless/ath9k/phy.c
+++ b/drivers/net/wireless/ath9k/phy.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
diff --git a/drivers/net/wireless/ath9k/phy.h b/drivers/net/wireless/ath9k/phy.h
index 1eac8c70734..0f7f8e0c9c9 100644
--- a/drivers/net/wireless/ath9k/phy.h
+++ b/drivers/net/wireless/ath9k/phy.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
diff --git a/drivers/net/wireless/ath9k/rc.c b/drivers/net/wireless/ath9k/rc.c
index 832735677a4..824ccbb8b7b 100644
--- a/drivers/net/wireless/ath9k/rc.c
+++ b/drivers/net/wireless/ath9k/rc.c
@@ -1,6 +1,6 @@
/*
* Copyright (c) 2004 Video54 Technologies, Inc.
- * Copyright (c) 2004-2008 Atheros Communications, Inc.
+ * Copyright (c) 2004-2009 Atheros Communications, Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -864,6 +864,8 @@ static void ath_rc_ratefind(struct ath_softc *sc,
rate_table, nrix, 1, 0);
ath_rc_rate_set_series(rate_table, &rates[i++], txrc,
try_per_rate, nrix, 0);
+
+ tx_info->flags |= IEEE80211_TX_CTL_RATE_CTRL_PROBE;
} else {
try_per_rate = (ATH_11N_TXMAXTRY/4);
/* Set the choosen rate. No RTS for first series entry. */
@@ -1468,16 +1470,18 @@ static void ath_rc_init(struct ath_softc *sc,
ath_rc_priv->ht_cap);
}
-static u8 ath_rc_build_ht_caps(struct ath_softc *sc, bool is_ht, bool is_cw40,
- bool is_sgi40)
+static u8 ath_rc_build_ht_caps(struct ath_softc *sc, struct ieee80211_sta *sta,
+ bool is_cw40, bool is_sgi40)
{
u8 caps = 0;
- if (is_ht) {
+ if (sta->ht_cap.ht_supported) {
caps = WLAN_RC_HT_FLAG;
if (sc->sc_ah->caps.tx_chainmask != 1 &&
- ath9k_hw_getcapability(sc->sc_ah, ATH9K_CAP_DS, 0, NULL))
- caps |= WLAN_RC_DS_FLAG;
+ ath9k_hw_getcapability(sc->sc_ah, ATH9K_CAP_DS, 0, NULL)) {
+ if (sta->ht_cap.mcs.rx_mask[1])
+ caps |= WLAN_RC_DS_FLAG;
+ }
if (is_cw40)
caps |= WLAN_RC_40_FLAG;
if (is_sgi40)
@@ -1615,6 +1619,7 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
/* Choose rate table first */
if ((sc->sc_ah->opmode == NL80211_IFTYPE_STATION) ||
+ (sc->sc_ah->opmode == NL80211_IFTYPE_MESH_POINT) ||
(sc->sc_ah->opmode == NL80211_IFTYPE_ADHOC)) {
rate_table = ath_choose_rate_table(sc, sband->band,
sta->ht_cap.ht_supported,
@@ -1624,8 +1629,7 @@ static void ath_rate_init(void *priv, struct ieee80211_supported_band *sband,
rate_table = sc->cur_rate_table;
}
- ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc, sta->ht_cap.ht_supported,
- is_cw40, is_sgi40);
+ ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc, sta, is_cw40, is_sgi40);
ath_rc_init(sc, priv_sta, sband, sta, rate_table);
}
@@ -1659,8 +1663,7 @@ static void ath_rate_update(void *priv, struct ieee80211_supported_band *sband,
rate_table = ath_choose_rate_table(sc, sband->band,
sta->ht_cap.ht_supported,
oper_cw40);
- ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc,
- sta->ht_cap.ht_supported,
+ ath_rc_priv->ht_cap = ath_rc_build_ht_caps(sc, sta,
oper_cw40, oper_sgi40);
ath_rc_init(sc, priv_sta, sband, sta, rate_table);
diff --git a/drivers/net/wireless/ath9k/rc.h b/drivers/net/wireless/ath9k/rc.h
index db9b0b9a343..199a3ce57d6 100644
--- a/drivers/net/wireless/ath9k/rc.h
+++ b/drivers/net/wireless/ath9k/rc.h
@@ -1,7 +1,7 @@
/*
* Copyright (c) 2004 Sam Leffler, Errno Consulting
* Copyright (c) 2004 Video54 Technologies, Inc.
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
diff --git a/drivers/net/wireless/ath9k/recv.c b/drivers/net/wireless/ath9k/recv.c
index 0bba17662a1..71cb18d6757 100644
--- a/drivers/net/wireless/ath9k/recv.c
+++ b/drivers/net/wireless/ath9k/recv.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -344,8 +344,13 @@ void ath_rx_cleanup(struct ath_softc *sc)
list_for_each_entry(bf, &sc->rx.rxbuf, list) {
skb = bf->bf_mpdu;
- if (skb)
+ if (skb) {
+ dma_unmap_single(sc->dev,
+ bf->bf_buf_addr,
+ sc->rx.bufsize,
+ DMA_FROM_DEVICE);
dev_kfree_skb(skb);
+ }
}
if (sc->rx.rxdma.dd_desc_len != 0)
diff --git a/drivers/net/wireless/ath9k/reg.h b/drivers/net/wireless/ath9k/reg.h
index d86e90e3817..52605246679 100644
--- a/drivers/net/wireless/ath9k/reg.h
+++ b/drivers/net/wireless/ath9k/reg.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
diff --git a/drivers/net/wireless/ath9k/regd.c b/drivers/net/wireless/ath9k/regd.c
index b8f9b6d6bec..4ca62510229 100644
--- a/drivers/net/wireless/ath9k/regd.c
+++ b/drivers/net/wireless/ath9k/regd.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
diff --git a/drivers/net/wireless/ath9k/regd.h b/drivers/net/wireless/ath9k/regd.h
index 8f885f3bc8d..9f5fbd4eea7 100644
--- a/drivers/net/wireless/ath9k/regd.h
+++ b/drivers/net/wireless/ath9k/regd.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
diff --git a/drivers/net/wireless/ath9k/regd_common.h b/drivers/net/wireless/ath9k/regd_common.h
index b41d0002f3f..4d0e298cd1c 100644
--- a/drivers/net/wireless/ath9k/regd_common.h
+++ b/drivers/net/wireless/ath9k/regd_common.h
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
diff --git a/drivers/net/wireless/ath9k/xmit.c b/drivers/net/wireless/ath9k/xmit.c
index e3f376611f8..689bdbf7880 100644
--- a/drivers/net/wireless/ath9k/xmit.c
+++ b/drivers/net/wireless/ath9k/xmit.c
@@ -1,5 +1,5 @@
/*
- * Copyright (c) 2008 Atheros Communications Inc.
+ * Copyright (c) 2008-2009 Atheros Communications Inc.
*
* Permission to use, copy, modify, and/or distribute this software for any
* purpose with or without fee is hereby granted, provided that the above
@@ -64,6 +64,10 @@ static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
static void ath_tx_txqaddbuf(struct ath_softc *sc, struct ath_txq *txq,
struct list_head *head);
static void ath_buf_set_rate(struct ath_softc *sc, struct ath_buf *bf);
+static int ath_tx_num_badfrms(struct ath_softc *sc, struct ath_buf *bf,
+ int txok);
+static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds,
+ int nbad, int txok, bool update_rc);
/*********************/
/* Aggregation logic */
@@ -274,9 +278,10 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
struct ath_buf *bf_next, *bf_last = bf->bf_lastbf;
struct ath_desc *ds = bf_last->bf_desc;
struct list_head bf_head, bf_pending;
- u16 seq_st = 0;
+ u16 seq_st = 0, acked_cnt = 0, txfail_cnt = 0;
u32 ba[WME_BA_BMP_SIZE >> 5];
- int isaggr, txfail, txpending, sendbar = 0, needreset = 0;
+ int isaggr, txfail, txpending, sendbar = 0, needreset = 0, nbad = 0;
+ bool rc_update = true;
skb = (struct sk_buff *)bf->bf_mpdu;
hdr = (struct ieee80211_hdr *)skb->data;
@@ -316,6 +321,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
INIT_LIST_HEAD(&bf_pending);
INIT_LIST_HEAD(&bf_head);
+ nbad = ath_tx_num_badfrms(sc, bf, txok);
while (bf) {
txfail = txpending = 0;
bf_next = bf->bf_next;
@@ -323,8 +329,10 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
if (ATH_BA_ISSET(ba, ATH_BA_INDEX(seq_st, bf->bf_seqno))) {
/* transmit completion, subframe is
* acked by block ack */
+ acked_cnt++;
} else if (!isaggr && txok) {
/* transmit completion */
+ acked_cnt++;
} else {
if (!(tid->state & AGGR_CLEANUP) &&
ds->ds_txstat.ts_flags != ATH9K_TX_SW_ABORTED) {
@@ -335,6 +343,7 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
bf->bf_state.bf_type |= BUF_XRETRY;
txfail = 1;
sendbar = 1;
+ txfail_cnt++;
}
} else {
/*
@@ -361,6 +370,13 @@ static void ath_tx_complete_aggr(struct ath_softc *sc, struct ath_txq *txq,
ath_tx_update_baw(sc, tid, bf->bf_seqno);
spin_unlock_bh(&txq->axq_lock);
+ if (rc_update && (acked_cnt == 1 || txfail_cnt == 1)) {
+ ath_tx_rc_status(bf, ds, nbad, txok, true);
+ rc_update = false;
+ } else {
+ ath_tx_rc_status(bf, ds, nbad, txok, false);
+ }
+
ath_tx_complete_buf(sc, bf, &bf_head, !txfail, sendbar);
} else {
/* retry the un-acked ones */
@@ -1734,7 +1750,7 @@ exit:
/*****************/
static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
- struct ath_xmit_status *tx_status)
+ int tx_flags)
{
struct ieee80211_hw *hw = sc->hw;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
@@ -1755,18 +1771,14 @@ static void ath_tx_complete(struct ath_softc *sc, struct sk_buff *skb,
tx_info->rate_driver_data[0] = NULL;
}
- if (tx_status->flags & ATH_TX_BAR) {
+ if (tx_flags & ATH_TX_BAR)
tx_info->flags |= IEEE80211_TX_STAT_AMPDU_NO_BACK;
- tx_status->flags &= ~ATH_TX_BAR;
- }
- if (!(tx_status->flags & (ATH_TX_ERROR | ATH_TX_XRETRY))) {
+ if (!(tx_flags & (ATH_TX_ERROR | ATH_TX_XRETRY))) {
/* Frame was ACKed */
tx_info->flags |= IEEE80211_TX_STAT_ACK;
}
- tx_info->status.rates[0].count = tx_status->retries + 1;
-
hdrlen = ieee80211_get_hdrlen_from_skb(skb);
padsize = hdrlen & 3;
if (padsize && hdrlen >= 24) {
@@ -1789,29 +1801,22 @@ static void ath_tx_complete_buf(struct ath_softc *sc, struct ath_buf *bf,
int txok, int sendbar)
{
struct sk_buff *skb = bf->bf_mpdu;
- struct ath_xmit_status tx_status;
unsigned long flags;
+ int tx_flags = 0;
- /*
- * Set retry information.
- * NB: Don't use the information in the descriptor, because the frame
- * could be software retried.
- */
- tx_status.retries = bf->bf_retries;
- tx_status.flags = 0;
if (sendbar)
- tx_status.flags = ATH_TX_BAR;
+ tx_flags = ATH_TX_BAR;
if (!txok) {
- tx_status.flags |= ATH_TX_ERROR;
+ tx_flags |= ATH_TX_ERROR;
if (bf_isxretried(bf))
- tx_status.flags |= ATH_TX_XRETRY;
+ tx_flags |= ATH_TX_XRETRY;
}
dma_unmap_single(sc->dev, bf->bf_dmacontext, skb->len, DMA_TO_DEVICE);
- ath_tx_complete(sc, skb, &tx_status);
+ ath_tx_complete(sc, skb, tx_flags);
/*
* Return the list of ath_buf of this mpdu to free queue
@@ -1852,27 +1857,40 @@ static int ath_tx_num_badfrms(struct ath_softc *sc, struct ath_buf *bf,
return nbad;
}
-static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds, int nbad)
+static void ath_tx_rc_status(struct ath_buf *bf, struct ath_desc *ds,
+ int nbad, int txok, bool update_rc)
{
struct sk_buff *skb = (struct sk_buff *)bf->bf_mpdu;
struct ieee80211_hdr *hdr = (struct ieee80211_hdr *)skb->data;
struct ieee80211_tx_info *tx_info = IEEE80211_SKB_CB(skb);
struct ath_tx_info_priv *tx_info_priv = ATH_TX_INFO_PRIV(tx_info);
+ struct ieee80211_hw *hw = tx_info_priv->aphy->hw;
+ u8 i, tx_rateindex;
+
+ if (txok)
+ tx_info->status.ack_signal = ds->ds_txstat.ts_rssi;
- tx_info_priv->update_rc = false;
+ tx_rateindex = ds->ds_txstat.ts_rateindex;
+ WARN_ON(tx_rateindex >= hw->max_rates);
+
+ tx_info_priv->update_rc = update_rc;
if (ds->ds_txstat.ts_status & ATH9K_TXERR_FILT)
tx_info->flags |= IEEE80211_TX_STAT_TX_FILTERED;
if ((ds->ds_txstat.ts_status & ATH9K_TXERR_FILT) == 0 &&
- (bf->bf_flags & ATH9K_TXDESC_NOACK) == 0) {
+ (bf->bf_flags & ATH9K_TXDESC_NOACK) == 0 && update_rc) {
if (ieee80211_is_data(hdr->frame_control)) {
memcpy(&tx_info_priv->tx, &ds->ds_txstat,
sizeof(tx_info_priv->tx));
tx_info_priv->n_frames = bf->bf_nframes;
tx_info_priv->n_bad_frames = nbad;
- tx_info_priv->update_rc = true;
}
}
+
+ for (i = tx_rateindex + 1; i < hw->max_rates; i++)
+ tx_info->status.rates[i].count = 0;
+
+ tx_info->status.rates[tx_rateindex].count = bf->bf_retries + 1;
}
static void ath_wake_mac80211_queue(struct ath_softc *sc, struct ath_txq *txq)
@@ -1897,7 +1915,7 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
struct ath_buf *bf, *lastbf, *bf_held = NULL;
struct list_head bf_head;
struct ath_desc *ds;
- int txok, nbad = 0;
+ int txok;
int status;
DPRINTF(sc, ATH_DBG_QUEUE, "tx queue %d (%x), link %p\n",
@@ -1991,13 +2009,9 @@ static void ath_tx_processq(struct ath_softc *sc, struct ath_txq *txq)
bf->bf_retries = ds->ds_txstat.ts_longretry;
if (ds->ds_txstat.ts_status & ATH9K_TXERR_XRETRY)
bf->bf_state.bf_type |= BUF_XRETRY;
- nbad = 0;
- } else {
- nbad = ath_tx_num_badfrms(sc, bf, txok);
+ ath_tx_rc_status(bf, ds, 0, txok, true);
}
- ath_tx_rc_status(bf, ds, nbad);
-
if (bf_isampdu(bf))
ath_tx_complete_aggr(sc, txq, bf, &bf_head, txok);
else
diff --git a/drivers/net/wireless/b43/main.c b/drivers/net/wireless/b43/main.c
index b72ef3fd315..4896e083111 100644
--- a/drivers/net/wireless/b43/main.c
+++ b/drivers/net/wireless/b43/main.c
@@ -3993,6 +3993,8 @@ static void setup_struct_wldev_for_init(struct b43_wldev *dev)
dev->irq_reason = 0;
memset(dev->dma_reason, 0, sizeof(dev->dma_reason));
dev->irq_savedstate = B43_IRQ_MASKTEMPLATE;
+ if (b43_modparam_verbose < B43_VERBOSITY_DEBUG)
+ dev->irq_savedstate &= ~B43_IRQ_PHY_TXERR;
dev->mac_suspended = 1;
diff --git a/drivers/net/wireless/b43/xmit.c b/drivers/net/wireless/b43/xmit.c
index 0f53c7e5e01..a63d88841df 100644
--- a/drivers/net/wireless/b43/xmit.c
+++ b/drivers/net/wireless/b43/xmit.c
@@ -50,7 +50,7 @@ static int b43_plcp_get_bitrate_idx_cck(struct b43_plcp_hdr6 *plcp)
}
/* Extract the bitrate index out of an OFDM PLCP header. */
-static u8 b43_plcp_get_bitrate_idx_ofdm(struct b43_plcp_hdr6 *plcp, bool aphy)
+static int b43_plcp_get_bitrate_idx_ofdm(struct b43_plcp_hdr6 *plcp, bool aphy)
{
int base = aphy ? 0 : 4;
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-hw.h b/drivers/net/wireless/iwlwifi/iwl-3945-hw.h
index 205603d082a..73f93a0ff2d 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-hw.h
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-hw.h
@@ -233,7 +233,7 @@ struct iwl3945_eeprom {
#define PCI_CFG_REV_ID_BIT_RTP (0x80) /* bit 7 */
#define TFD_QUEUE_MIN 0
-#define TFD_QUEUE_MAX 6
+#define TFD_QUEUE_MAX 5 /* 4 DATA + 1 CMD */
#define IWL_NUM_SCAN_RATES (2)
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
index f65c308a671..af6b9d44477 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945-rs.c
@@ -124,7 +124,7 @@ static struct iwl3945_tpt_entry iwl3945_tpt_table_g[] = {
#define IWL39_RATE_HIGH_TH 11520
#define IWL_SUCCESS_UP_TH 8960
#define IWL_SUCCESS_DOWN_TH 10880
-#define IWL_RATE_MIN_FAILURE_TH 8
+#define IWL_RATE_MIN_FAILURE_TH 6
#define IWL_RATE_MIN_SUCCESS_TH 8
#define IWL_RATE_DECREASE_TH 1920
#define IWL_RATE_RETRY_TH 15
@@ -488,7 +488,7 @@ static void rs_tx_status(void *priv_rate, struct ieee80211_supported_band *sband
IWL_DEBUG_RATE(priv, "enter\n");
- retries = info->status.rates[0].count - 1;
+ retries = info->status.rates[0].count;
/* Sanity Check for retries */
if (retries > IWL_RATE_RETRY_TH)
retries = IWL_RATE_RETRY_TH;
@@ -791,16 +791,15 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta,
if ((window->success_ratio < IWL_RATE_DECREASE_TH) || !current_tpt) {
IWL_DEBUG_RATE(priv, "decrease rate because of low success_ratio\n");
scale_action = -1;
-
/* No throughput measured yet for adjacent rates,
* try increase */
} else if ((low_tpt == IWL_INVALID_VALUE) &&
(high_tpt == IWL_INVALID_VALUE)) {
- if (high != IWL_RATE_INVALID && window->success_counter >= IWL_RATE_INCREASE_TH)
+ if (high != IWL_RATE_INVALID && window->success_ratio >= IWL_RATE_INCREASE_TH)
scale_action = 1;
else if (low != IWL_RATE_INVALID)
- scale_action = -1;
+ scale_action = 0;
/* Both adjacent throughputs are measured, but neither one has
* better throughput; we're using the best rate, don't change
@@ -826,14 +825,14 @@ static void rs_get_rate(void *priv_r, struct ieee80211_sta *sta,
else {
IWL_DEBUG_RATE(priv,
"decrease rate because of high tpt\n");
- scale_action = -1;
+ scale_action = 0;
}
} else if (low_tpt != IWL_INVALID_VALUE) {
if (low_tpt > current_tpt) {
IWL_DEBUG_RATE(priv,
"decrease rate because of low tpt\n");
scale_action = -1;
- } else if (window->success_counter >= IWL_RATE_INCREASE_TH) {
+ } else if (window->success_ratio >= IWL_RATE_INCREASE_TH) {
/* Lower rate has better
* throughput,decrease rate */
scale_action = 1;
diff --git a/drivers/net/wireless/iwlwifi/iwl-3945.c b/drivers/net/wireless/iwlwifi/iwl-3945.c
index ba7e720e73c..2399328e8de 100644
--- a/drivers/net/wireless/iwlwifi/iwl-3945.c
+++ b/drivers/net/wireless/iwlwifi/iwl-3945.c
@@ -293,7 +293,7 @@ static void iwl3945_tx_queue_reclaim(struct iwl_priv *priv,
if (iwl_queue_space(q) > q->low_mark && (txq_id >= 0) &&
(txq_id != IWL_CMD_QUEUE_NUM) &&
priv->mac80211_registered)
- ieee80211_wake_queue(priv->hw, txq_id);
+ iwl_wake_queue(priv, txq_id);
}
/**
@@ -747,11 +747,6 @@ void iwl3945_hw_txq_free_tfd(struct iwl_priv *priv, struct iwl_tx_queue *txq)
int i;
int counter;
- /* classify bd */
- if (txq->q.id == IWL_CMD_QUEUE_NUM)
- /* nothing to cleanup after for host commands */
- return;
-
/* sanity check */
counter = TFD_CTL_COUNT_GET(le32_to_cpu(tfd->control_flags));
if (counter > NUM_TFD_CHUNKS) {
@@ -1046,7 +1041,7 @@ static int iwl3945_txq_ctx_reset(struct iwl_priv *priv)
goto error;
/* Tx queue(s) */
- for (txq_id = 0; txq_id < TFD_QUEUE_MAX; txq_id++) {
+ for (txq_id = 0; txq_id <= priv->hw_params.max_txq_num; txq_id++) {
slots_num = (txq_id == IWL_CMD_QUEUE_NUM) ?
TFD_CMD_SLOTS : TFD_TX_CMD_SLOTS;
rc = iwl_tx_queue_init(priv, &priv->txq[txq_id], slots_num,
@@ -1184,7 +1179,7 @@ int iwl3945_hw_nic_init(struct iwl_priv *priv)
IWL_DEBUG_INFO(priv, "HW Revision ID = 0x%X\n", rev_id);
rc = priv->cfg->ops->lib->apm_ops.set_pwr_src(priv, IWL_PWR_SRC_VMAIN);
- if(rc)
+ if (rc)
return rc;
priv->cfg->ops->lib->apm_ops.config(priv);
@@ -1239,8 +1234,12 @@ void iwl3945_hw_txq_ctx_free(struct iwl_priv *priv)
int txq_id;
/* Tx queues */
- for (txq_id = 0; txq_id < TFD_QUEUE_MAX; txq_id++)
- iwl_tx_queue_free(priv, txq_id);
+ for (txq_id = 0; txq_id <= priv->hw_params.max_txq_num; txq_id++)
+ if (txq_id == IWL_CMD_QUEUE_NUM)
+ iwl_cmd_queue_free(priv);
+ else
+ iwl_tx_queue_free(priv, txq_id);
+
}
void iwl3945_hw_txq_ctx_stop(struct iwl_priv *priv)
@@ -1259,7 +1258,7 @@ void iwl3945_hw_txq_ctx_stop(struct iwl_priv *priv)
iwl_write_prph(priv, ALM_SCD_MODE_REG, 0);
/* reset TFD queues */
- for (txq_id = 0; txq_id < TFD_QUEUE_MAX; txq_id++) {
+ for (txq_id = 0; txq_id <= priv->hw_params.max_txq_num; txq_id++) {
iwl_write_direct32(priv, FH39_TCSR_CONFIG(txq_id), 0x0);
iwl_poll_direct_bit(priv, FH39_TSSR_TX_STATUS,
FH39_TSSR_TX_STATUS_REG_MSK_CHNL_IDLE(txq_id),
@@ -2488,6 +2487,9 @@ int iwl3945_hw_set_hw_params(struct iwl_priv *priv)
return -ENOMEM;
}
+ /* Assign number of Usable TX queues */
+ priv->hw_params.max_txq_num = TFD_QUEUE_MAX;
+
priv->hw_params.tfd_size = sizeof(struct iwl3945_tfd);
priv->hw_params.rx_buf_size = IWL_RX_BUF_SIZE_3K;
priv->hw_params.max_pkt_size = 2342;
diff --git a/drivers/net/wireless/iwlwifi/iwl-4965.c b/drivers/net/wireless/iwlwifi/iwl-4965.c
index bd0140be774..847a6220c5e 100644
--- a/drivers/net/wireless/iwlwifi/iwl-4965.c
+++ b/drivers/net/wireless/iwlwifi/iwl-4965.c
@@ -2178,10 +2178,9 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
(iwl_queue_space(&txq->q) > txq->q.low_mark) &&
(agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)) {
if (agg->state == IWL_AGG_OFF)
- ieee80211_wake_queue(priv->hw, txq_id);
+ iwl_wake_queue(priv, txq_id);
else
- ieee80211_wake_queue(priv->hw,
- txq->swq_id);
+ iwl_wake_queue(priv, txq->swq_id);
}
}
} else {
@@ -2205,7 +2204,7 @@ static void iwl4965_rx_reply_tx(struct iwl_priv *priv,
if (priv->mac80211_registered &&
(iwl_queue_space(&txq->q) > txq->q.low_mark))
- ieee80211_wake_queue(priv->hw, txq_id);
+ iwl_wake_queue(priv, txq_id);
}
if (qc && likely(sta_id != IWL_INVALID_STATION))
diff --git a/drivers/net/wireless/iwlwifi/iwl-5000.c b/drivers/net/wireless/iwlwifi/iwl-5000.c
index 08c19bea71e..e5ca2511a81 100644
--- a/drivers/net/wireless/iwlwifi/iwl-5000.c
+++ b/drivers/net/wireless/iwlwifi/iwl-5000.c
@@ -1077,7 +1077,7 @@ static int iwl5000_txq_agg_disable(struct iwl_priv *priv, u16 txq_id,
if ((IWL50_FIRST_AMPDU_QUEUE > txq_id) ||
(IWL50_FIRST_AMPDU_QUEUE + IWL50_NUM_AMPDU_QUEUES <= txq_id)) {
- IWL_WARN(priv,
+ IWL_ERR(priv,
"queue number out of range: %d, must be %d to %d\n",
txq_id, IWL50_FIRST_AMPDU_QUEUE,
IWL50_FIRST_AMPDU_QUEUE + IWL50_NUM_AMPDU_QUEUES - 1);
@@ -1295,10 +1295,9 @@ static void iwl5000_rx_reply_tx(struct iwl_priv *priv,
(iwl_queue_space(&txq->q) > txq->q.low_mark) &&
(agg->state != IWL_EMPTYING_HW_QUEUE_DELBA)) {
if (agg->state == IWL_AGG_OFF)
- ieee80211_wake_queue(priv->hw, txq_id);
+ iwl_wake_queue(priv, txq_id);
else
- ieee80211_wake_queue(priv->hw,
- txq->swq_id);
+ iwl_wake_queue(priv, txq->swq_id);
}
}
} else {
@@ -1324,7 +1323,7 @@ static void iwl5000_rx_reply_tx(struct iwl_priv *priv,
if (priv->mac80211_registered &&
(iwl_queue_space(&txq->q) > txq->q.low_mark))
- ieee80211_wake_queue(priv->hw, txq_id);
+ iwl_wake_queue(priv, txq_id);
}
if (ieee80211_is_data_qos(tx_resp->frame_ctrl))
diff --git a/drivers/net/wireless/iwlwifi/iwl-agn.c b/drivers/net/wireless/iwlwifi/iwl-agn.c
index 0db3bc011ac..663dc83be50 100644
--- a/drivers/net/wireless/iwlwifi/iwl-agn.c
+++ b/drivers/net/wireless/iwlwifi/iwl-agn.c
@@ -1567,9 +1567,8 @@ static void iwl_alive_start(struct iwl_priv *priv)
if (iwl_is_associated(priv)) {
struct iwl_rxon_cmd *active_rxon =
(struct iwl_rxon_cmd *)&priv->active_rxon;
-
- memcpy(&priv->staging_rxon, &priv->active_rxon,
- sizeof(priv->staging_rxon));
+ /* apply any changes in staging */
+ priv->staging_rxon.filter_flags |= RXON_FILTER_ASSOC_MSK;
active_rxon->filter_flags &= ~RXON_FILTER_ASSOC_MSK;
} else {
/* Initialize our rx_config data */
@@ -2184,110 +2183,112 @@ static int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
struct iwl_priv *priv = hw->priv;
const struct iwl_channel_info *ch_info;
struct ieee80211_conf *conf = &hw->conf;
- unsigned long flags;
+ unsigned long flags = 0;
int ret = 0;
- u16 channel;
+ u16 ch;
+ int scan_active = 0;
mutex_lock(&priv->mutex);
- IWL_DEBUG_MAC80211(priv, "enter to channel %d\n", conf->channel->hw_value);
+ IWL_DEBUG_MAC80211(priv, "enter to channel %d changed 0x%X\n",
+ conf->channel->hw_value, changed);
- priv->current_ht_config.is_ht = conf_is_ht(conf);
-
- if (conf->radio_enabled && iwl_radio_kill_sw_enable_radio(priv)) {
- IWL_DEBUG_MAC80211(priv, "leave - RF-KILL - waiting for uCode\n");
- goto out;
+ if (unlikely(!priv->cfg->mod_params->disable_hw_scan &&
+ test_bit(STATUS_SCANNING, &priv->status))) {
+ scan_active = 1;
+ IWL_DEBUG_MAC80211(priv, "leave - scanning\n");
}
- if (!conf->radio_enabled)
- iwl_radio_kill_sw_disable_radio(priv);
- if (!iwl_is_ready(priv)) {
- IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
- ret = -EIO;
- goto out;
- }
+ /* during scanning mac80211 will delay channel setting until
+ * scan finish with changed = 0
+ */
+ if (!changed || (changed & IEEE80211_CONF_CHANGE_CHANNEL)) {
+ if (scan_active)
+ goto set_ch_out;
+
+ ch = ieee80211_frequency_to_channel(conf->channel->center_freq);
+ ch_info = iwl_get_channel_info(priv, conf->channel->band, ch);
+ if (!is_channel_valid(ch_info)) {
+ IWL_DEBUG_MAC80211(priv, "leave - invalid channel\n");
+ ret = -EINVAL;
+ goto set_ch_out;
+ }
- if (unlikely(!priv->cfg->mod_params->disable_hw_scan &&
- test_bit(STATUS_SCANNING, &priv->status))) {
- IWL_DEBUG_MAC80211(priv, "leave - scanning\n");
- mutex_unlock(&priv->mutex);
- return 0;
- }
+ if (priv->iw_mode == NL80211_IFTYPE_ADHOC &&
+ !is_channel_ibss(ch_info)) {
+ IWL_ERR(priv, "channel %d in band %d not "
+ "IBSS channel\n",
+ conf->channel->hw_value, conf->channel->band);
+ ret = -EINVAL;
+ goto set_ch_out;
+ }
- channel = ieee80211_frequency_to_channel(conf->channel->center_freq);
- ch_info = iwl_get_channel_info(priv, conf->channel->band, channel);
- if (!is_channel_valid(ch_info)) {
- IWL_DEBUG_MAC80211(priv, "leave - invalid channel\n");
- ret = -EINVAL;
- goto out;
- }
+ priv->current_ht_config.is_ht = conf_is_ht(conf);
- if (priv->iw_mode == NL80211_IFTYPE_ADHOC &&
- !is_channel_ibss(ch_info)) {
- IWL_ERR(priv, "channel %d in band %d not IBSS channel\n",
- conf->channel->hw_value, conf->channel->band);
- ret = -EINVAL;
- goto out;
- }
+ spin_lock_irqsave(&priv->lock, flags);
- spin_lock_irqsave(&priv->lock, flags);
+ /* if we are switching from ht to 2.4 clear flags
+ * from any ht related info since 2.4 does not
+ * support ht */
+ if ((le16_to_cpu(priv->staging_rxon.channel) != ch))
+ priv->staging_rxon.flags = 0;
- /* if we are switching from ht to 2.4 clear flags
- * from any ht related info since 2.4 does not
- * support ht */
- if ((le16_to_cpu(priv->staging_rxon.channel) != channel)
-#ifdef IEEE80211_CONF_CHANNEL_SWITCH
- && !(conf->flags & IEEE80211_CONF_CHANNEL_SWITCH)
-#endif
- )
- priv->staging_rxon.flags = 0;
+ iwl_set_rxon_channel(priv, conf->channel);
- iwl_set_rxon_channel(priv, conf->channel);
+ iwl_set_flags_for_band(priv, conf->channel->band);
+ spin_unlock_irqrestore(&priv->lock, flags);
+ set_ch_out:
+ /* The list of supported rates and rate mask can be different
+ * for each band; since the band may have changed, reset
+ * the rate mask to what mac80211 lists */
+ iwl_set_rate(priv);
+ }
- iwl_set_flags_for_band(priv, conf->channel->band);
+ if (changed & IEEE80211_CONF_CHANGE_PS) {
+ if (conf->flags & IEEE80211_CONF_PS)
+ ret = iwl_power_set_user_mode(priv, IWL_POWER_INDEX_3);
+ else
+ ret = iwl_power_set_user_mode(priv, IWL_POWER_MODE_CAM);
+ if (ret)
+ IWL_DEBUG_MAC80211(priv, "Error setting power level\n");
- /* The list of supported rates and rate mask can be different
- * for each band; since the band may have changed, reset
- * the rate mask to what mac80211 lists */
- iwl_set_rate(priv);
+ }
- spin_unlock_irqrestore(&priv->lock, flags);
+ if (changed & IEEE80211_CONF_CHANGE_POWER) {
+ IWL_DEBUG_MAC80211(priv, "TX Power old=%d new=%d\n",
+ priv->tx_power_user_lmt, conf->power_level);
-#ifdef IEEE80211_CONF_CHANNEL_SWITCH
- if (conf->flags & IEEE80211_CONF_CHANNEL_SWITCH) {
- iwl_hw_channel_switch(priv, conf->channel);
- goto out;
+ iwl_set_tx_power(priv, conf->power_level, false);
+ }
+
+ /* call to ensure that 4965 rx_chain is set properly in monitor mode */
+ iwl_set_rxon_chain(priv);
+
+ if (changed & IEEE80211_CONF_CHANGE_RADIO_ENABLED) {
+ if (conf->radio_enabled &&
+ iwl_radio_kill_sw_enable_radio(priv)) {
+ IWL_DEBUG_MAC80211(priv, "leave - RF-KILL - "
+ "waiting for uCode\n");
+ goto out;
+ }
+
+ if (!conf->radio_enabled)
+ iwl_radio_kill_sw_disable_radio(priv);
}
-#endif
if (!conf->radio_enabled) {
IWL_DEBUG_MAC80211(priv, "leave - radio disabled\n");
goto out;
}
- if (iwl_is_rfkill(priv)) {
- IWL_DEBUG_MAC80211(priv, "leave - RF kill\n");
- ret = -EIO;
+ if (!iwl_is_ready(priv)) {
+ IWL_DEBUG_MAC80211(priv, "leave - not ready\n");
goto out;
}
- if (conf->flags & IEEE80211_CONF_PS)
- ret = iwl_power_set_user_mode(priv, IWL_POWER_INDEX_3);
- else
- ret = iwl_power_set_user_mode(priv, IWL_POWER_MODE_CAM);
- if (ret)
- IWL_DEBUG_MAC80211(priv, "Error setting power level\n");
-
- IWL_DEBUG_MAC80211(priv, "TX Power old=%d new=%d\n",
- priv->tx_power_user_lmt, conf->power_level);
-
- iwl_set_tx_power(priv, conf->power_level, false);
-
- iwl_set_rate(priv);
-
- /* call to ensure that 4965 rx_chain is set properly in monitor mode */
- iwl_set_rxon_chain(priv);
+ if (scan_active)
+ goto out;
if (memcmp(&priv->active_rxon,
&priv->staging_rxon, sizeof(priv->staging_rxon)))
@@ -2295,9 +2296,9 @@ static int iwl_mac_config(struct ieee80211_hw *hw, u32 changed)
else
IWL_DEBUG_INFO(priv, "No re-sending same RXON configuration.\n");
- IWL_DEBUG_MAC80211(priv, "leave\n");
out:
+ IWL_DEBUG_MAC80211(priv, "leave\n");
mutex_unlock(&priv->mutex);
return ret;
}
@@ -2682,6 +2683,7 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
struct ieee80211_sta *sta, u16 tid, u16 *ssn)
{
struct iwl_priv *priv = hw->priv;
+ int ret;
IWL_DEBUG_HT(priv, "A-MPDU action on addr %pM tid %d\n",
sta->addr, tid);
@@ -2695,13 +2697,21 @@ static int iwl_mac_ampdu_action(struct ieee80211_hw *hw,
return iwl_sta_rx_agg_start(priv, sta->addr, tid, *ssn);
case IEEE80211_AMPDU_RX_STOP:
IWL_DEBUG_HT(priv, "stop Rx\n");
- return iwl_sta_rx_agg_stop(priv, sta->addr, tid);
+ ret = iwl_sta_rx_agg_stop(priv, sta->addr, tid);
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+ return 0;
+ else
+ return ret;
case IEEE80211_AMPDU_TX_START:
IWL_DEBUG_HT(priv, "start Tx\n");
return iwl_tx_agg_start(priv, sta->addr, tid, ssn);
case IEEE80211_AMPDU_TX_STOP:
IWL_DEBUG_HT(priv, "stop Tx\n");
- return iwl_tx_agg_stop(priv, sta->addr, tid);
+ ret = iwl_tx_agg_stop(priv, sta->addr, tid);
+ if (test_bit(STATUS_EXIT_PENDING, &priv->status))
+ return 0;
+ else
+ return ret;
default:
IWL_DEBUG_HT(priv, "unknown\n");
return -EINVAL;
@@ -3083,11 +3093,6 @@ static ssize_t store_power_level(struct device *d,
mutex_lock(&priv->mutex);
- if (!iwl_is_ready(priv)) {
- ret = -EAGAIN;
- goto out;
- }
-
ret = strict_strtoul(buf, 10, &mode);
if (ret)
goto out;
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.c b/drivers/net/wireless/iwlwifi/iwl-core.c
index 085e9cf1cac..c54fb93e9d7 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.c
+++ b/drivers/net/wireless/iwlwifi/iwl-core.c
@@ -1298,6 +1298,7 @@ int iwl_setup_mac(struct iwl_priv *priv)
hw->flags = IEEE80211_HW_SIGNAL_DBM |
IEEE80211_HW_NOISE_DBM |
IEEE80211_HW_AMPDU_AGGREGATION |
+ IEEE80211_HW_SPECTRUM_MGMT |
IEEE80211_HW_SUPPORTS_PS;
hw->wiphy->interface_modes =
BIT(NL80211_IFTYPE_STATION) |
@@ -1308,9 +1309,6 @@ int iwl_setup_mac(struct iwl_priv *priv)
/* Default value; 4 EDCA QOS priorities */
hw->queues = 4;
- /* queues to support 11n aggregation */
- if (priv->cfg->sku & IWL_SKU_N)
- hw->ampdu_queues = priv->cfg->mod_params->num_of_ampdu_queues;
hw->conf.beacon_int = 100;
hw->max_listen_interval = IWL_CONN_MAX_LISTEN_INTERVAL;
@@ -1437,6 +1435,10 @@ int iwl_set_tx_power(struct iwl_priv *priv, s8 tx_power, bool force)
priv->tx_power_user_lmt = tx_power;
+ /* if nic is not up don't send command */
+ if (!iwl_is_ready_rf(priv))
+ return ret;
+
if (force && priv->cfg->ops->lib->send_tx_power)
ret = priv->cfg->ops->lib->send_tx_power(priv);
diff --git a/drivers/net/wireless/iwlwifi/iwl-core.h b/drivers/net/wireless/iwlwifi/iwl-core.h
index 27310fec2e4..a8eac8c3c1f 100644
--- a/drivers/net/wireless/iwlwifi/iwl-core.h
+++ b/drivers/net/wireless/iwlwifi/iwl-core.h
@@ -264,6 +264,7 @@ void iwl_rx_reply_error(struct iwl_priv *priv,
* RX
******************************************************/
void iwl_rx_queue_free(struct iwl_priv *priv, struct iwl_rx_queue *rxq);
+void iwl_cmd_queue_free(struct iwl_priv *priv);
int iwl_rx_queue_alloc(struct iwl_priv *priv);
void iwl_rx_handle(struct iwl_priv *priv);
int iwl_rx_queue_update_write_ptr(struct iwl_priv *priv,
diff --git a/drivers/net/wireless/iwlwifi/iwl-debugfs.c b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
index 36cfeccfafb..64eb585f157 100644
--- a/drivers/net/wireless/iwlwifi/iwl-debugfs.c
+++ b/drivers/net/wireless/iwlwifi/iwl-debugfs.c
@@ -425,6 +425,56 @@ static ssize_t iwl_dbgfs_channels_read(struct file *file, char __user *user_buf,
return ret;
}
+static ssize_t iwl_dbgfs_status_read(struct file *file,
+ char __user *user_buf,
+ size_t count, loff_t *ppos) {
+
+ struct iwl_priv *priv = (struct iwl_priv *)file->private_data;
+ char buf[512];
+ int pos = 0;
+ const size_t bufsz = sizeof(buf);
+
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_ACTIVE:\t %d\n",
+ test_bit(STATUS_HCMD_ACTIVE, &priv->status));
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_HCMD_SYNC_ACTIVE: %d\n",
+ test_bit(STATUS_HCMD_SYNC_ACTIVE, &priv->status));
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INT_ENABLED:\t %d\n",
+ test_bit(STATUS_INT_ENABLED, &priv->status));
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_HW:\t %d\n",
+ test_bit(STATUS_RF_KILL_HW, &priv->status));
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_RF_KILL_SW:\t %d\n",
+ test_bit(STATUS_RF_KILL_SW, &priv->status));
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_INIT:\t\t %d\n",
+ test_bit(STATUS_INIT, &priv->status));
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_ALIVE:\t\t %d\n",
+ test_bit(STATUS_ALIVE, &priv->status));
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_READY:\t\t %d\n",
+ test_bit(STATUS_READY, &priv->status));
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_TEMPERATURE:\t %d\n",
+ test_bit(STATUS_TEMPERATURE, &priv->status));
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_GEO_CONFIGURED:\t %d\n",
+ test_bit(STATUS_GEO_CONFIGURED, &priv->status));
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_EXIT_PENDING:\t %d\n",
+ test_bit(STATUS_EXIT_PENDING, &priv->status));
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_IN_SUSPEND:\t %d\n",
+ test_bit(STATUS_IN_SUSPEND, &priv->status));
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_STATISTICS:\t %d\n",
+ test_bit(STATUS_STATISTICS, &priv->status));
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCANNING:\t %d\n",
+ test_bit(STATUS_SCANNING, &priv->status));
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_ABORTING:\t %d\n",
+ test_bit(STATUS_SCAN_ABORTING, &priv->status));
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_SCAN_HW:\t\t %d\n",
+ test_bit(STATUS_SCAN_HW, &priv->status));
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_POWER_PMI:\t %d\n",
+ test_bit(STATUS_POWER_PMI, &priv->status));
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_FW_ERROR:\t %d\n",
+ test_bit(STATUS_FW_ERROR, &priv->status));
+ pos += scnprintf(buf + pos, bufsz - pos, "STATUS_MODE_PENDING:\t %d\n",
+ test_bit(STATUS_MODE_PENDING, &priv->status));
+ return simple_read_from_buffer(user_buf, count, ppos, buf, pos);
+}
+
DEBUGFS_READ_WRITE_FILE_OPS(sram);
DEBUGFS_WRITE_FILE_OPS(log_event);
DEBUGFS_READ_FILE_OPS(eeprom);
@@ -432,6 +482,7 @@ DEBUGFS_READ_FILE_OPS(stations);
DEBUGFS_READ_FILE_OPS(rx_statistics);
DEBUGFS_READ_FILE_OPS(tx_statistics);
DEBUGFS_READ_FILE_OPS(channels);
+DEBUGFS_READ_FILE_OPS(status);
/*
* Create the debugfs files and directories
@@ -466,7 +517,7 @@ int iwl_dbgfs_register(struct iwl_priv *priv, const char *name)
DEBUGFS_ADD_FILE(rx_statistics, data);
DEBUGFS_ADD_FILE(tx_statistics, data);
DEBUGFS_ADD_FILE(channels, data);
- DEBUGFS_ADD_X32(status, data, (u32 *)&priv->status);
+ DEBUGFS_ADD_FILE(status, data);
DEBUGFS_ADD_BOOL(disable_sensitivity, rf, &priv->disable_sens_cal);
DEBUGFS_ADD_BOOL(disable_chain_noise, rf,
&priv->disable_chain_noise_cal);
@@ -496,6 +547,7 @@ void iwl_dbgfs_unregister(struct iwl_priv *priv)
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_log_event);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_stations);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_channels);
+ DEBUGFS_REMOVE(priv->dbgfs->dbgfs_data_files.file_status);
DEBUGFS_REMOVE(priv->dbgfs->dir_data);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_sensitivity);
DEBUGFS_REMOVE(priv->dbgfs->dbgfs_rf_files.file_disable_chain_noise);
diff --git a/drivers/net/wireless/iwlwifi/iwl-dev.h b/drivers/net/wireless/iwlwifi/iwl-dev.h
index 0baae802282..ec9a13846ed 100644
--- a/drivers/net/wireless/iwlwifi/iwl-dev.h
+++ b/drivers/net/wireless/iwlwifi/iwl-dev.h
@@ -996,6 +996,12 @@ struct iwl_priv {
u8 key_mapping_key;
unsigned long ucode_key_table;
+ /* queue refcounts */
+#define IWL_MAX_HW_QUEUES 32
+ unsigned long queue_stopped[BITS_TO_LONGS(IWL_MAX_HW_QUEUES)];
+ /* for each AC */
+ atomic_t queue_stop_count[4];
+
/* Indication if ieee80211_ops->open has been called */
u8 is_open;
diff --git a/drivers/net/wireless/iwlwifi/iwl-helpers.h b/drivers/net/wireless/iwlwifi/iwl-helpers.h
index fb64d297dd4..a1328c3c81a 100644
--- a/drivers/net/wireless/iwlwifi/iwl-helpers.h
+++ b/drivers/net/wireless/iwlwifi/iwl-helpers.h
@@ -93,4 +93,56 @@ static inline int iwl_alloc_fw_desc(struct pci_dev *pci_dev,
return (desc->v_addr != NULL) ? 0 : -ENOMEM;
}
+/*
+ * we have 8 bits used like this:
+ *
+ * 7 6 5 4 3 2 1 0
+ * | | | | | | | |
+ * | | | | | | +-+-------- AC queue (0-3)
+ * | | | | | |
+ * | +-+-+-+-+------------ HW A-MPDU queue
+ * |
+ * +---------------------- indicates agg queue
+ */
+static inline u8 iwl_virtual_agg_queue_num(u8 ac, u8 hwq)
+{
+ BUG_ON(ac > 3); /* only have 2 bits */
+ BUG_ON(hwq > 31); /* only have 5 bits */
+
+ return 0x80 | (hwq << 2) | ac;
+}
+
+static inline void iwl_wake_queue(struct iwl_priv *priv, u8 queue)
+{
+ u8 ac = queue;
+ u8 hwq = queue;
+
+ if (queue & 0x80) {
+ ac = queue & 3;
+ hwq = (queue >> 2) & 0x1f;
+ }
+
+ if (test_and_clear_bit(hwq, priv->queue_stopped))
+ if (atomic_dec_return(&priv->queue_stop_count[ac]) <= 0)
+ ieee80211_wake_queue(priv->hw, ac);
+}
+
+static inline void iwl_stop_queue(struct iwl_priv *priv, u8 queue)
+{
+ u8 ac = queue;
+ u8 hwq = queue;
+
+ if (queue & 0x80) {
+ ac = queue & 3;
+ hwq = (queue >> 2) & 0x1f;
+ }
+
+ if (!test_and_set_bit(hwq, priv->queue_stopped))
+ if (atomic_inc_return(&priv->queue_stop_count[ac]) > 0)
+ ieee80211_stop_queue(priv->hw, ac);
+}
+
+#define ieee80211_stop_queue DO_NOT_USE_ieee80211_stop_queue
+#define ieee80211_wake_queue DO_NOT_USE_ieee80211_wake_queue
+
#endif /* __iwl_helpers_h__ */
diff --git a/drivers/net/wireless/iwlwifi/iwl-power.c b/drivers/net/wireless/iwlwifi/iwl-power.c
index 18b7e4195ea..47c894530eb 100644
--- a/drivers/net/wireless/iwlwifi/iwl-power.c
+++ b/drivers/net/wireless/iwlwifi/iwl-power.c
@@ -273,7 +273,7 @@ int iwl_power_update_mode(struct iwl_priv *priv, bool force)
if (priv->iw_mode != NL80211_IFTYPE_STATION)
final_mode = IWL_POWER_MODE_CAM;
- if (!iwl_is_rfkill(priv) && !setting->power_disabled &&
+ if (iwl_is_ready_rf(priv) && !setting->power_disabled &&
((setting->power_mode != final_mode) || force)) {
struct iwl_powertable_cmd cmd;
diff --git a/drivers/net/wireless/iwlwifi/iwl-sta.c b/drivers/net/wireless/iwlwifi/iwl-sta.c
index 1684490d93c..5798fe49c77 100644
--- a/drivers/net/wireless/iwlwifi/iwl-sta.c
+++ b/drivers/net/wireless/iwlwifi/iwl-sta.c
@@ -1138,8 +1138,10 @@ int iwl_sta_rx_agg_stop(struct iwl_priv *priv, const u8 *addr, int tid)
int sta_id;
sta_id = iwl_find_station(priv, addr);
- if (sta_id == IWL_INVALID_STATION)
+ if (sta_id == IWL_INVALID_STATION) {
+ IWL_ERR(priv, "Invalid station for AGG tid %d\n", tid);
return -ENXIO;
+ }
spin_lock_irqsave(&priv->sta_lock, flags);
priv->stations[sta_id].sta.station_flags_msk = 0;
diff --git a/drivers/net/wireless/iwlwifi/iwl-tx.c b/drivers/net/wireless/iwlwifi/iwl-tx.c
index dff60fb7021..1f117a49c56 100644
--- a/drivers/net/wireless/iwlwifi/iwl-tx.c
+++ b/drivers/net/wireless/iwlwifi/iwl-tx.c
@@ -174,7 +174,7 @@ EXPORT_SYMBOL(iwl_tx_queue_free);
* Free all buffers.
* 0-fill, but do not free "txq" descriptor structure.
*/
-static void iwl_cmd_queue_free(struct iwl_priv *priv)
+void iwl_cmd_queue_free(struct iwl_priv *priv)
{
struct iwl_tx_queue *txq = &priv->txq[IWL_CMD_QUEUE_NUM];
struct iwl_queue *q = &txq->q;
@@ -193,12 +193,14 @@ static void iwl_cmd_queue_free(struct iwl_priv *priv)
/* De-alloc circular buffer of TFDs */
if (txq->q.n_bd)
- pci_free_consistent(dev, sizeof(struct iwl_tfd) *
+ pci_free_consistent(dev, priv->hw_params.tfd_size *
txq->q.n_bd, txq->tfds, txq->q.dma_addr);
/* 0-fill queue descriptor structure */
memset(txq, 0, sizeof(*txq));
}
+EXPORT_SYMBOL(iwl_cmd_queue_free);
+
/*************** DMA-QUEUE-GENERAL-FUNCTIONS *****
* DMA services
*
@@ -761,8 +763,10 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
hdr->seq_ctrl |= cpu_to_le16(seq_number);
seq_number += 0x10;
/* aggregation is on for this <sta,tid> */
- if (info->flags & IEEE80211_TX_CTL_AMPDU)
+ if (info->flags & IEEE80211_TX_CTL_AMPDU) {
txq_id = priv->stations[sta_id].tid[tid].agg.txq_id;
+ swq_id = iwl_virtual_agg_queue_num(swq_id, txq_id);
+ }
priv->stations[sta_id].tid[tid].tfds_in_queue++;
}
@@ -893,7 +897,7 @@ int iwl_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
iwl_txq_update_write_ptr(priv, txq);
spin_unlock_irqrestore(&priv->lock, flags);
} else {
- ieee80211_stop_queue(priv->hw, txq->swq_id);
+ iwl_stop_queue(priv, txq->swq_id);
}
}
@@ -1221,8 +1225,10 @@ int iwl_tx_agg_stop(struct iwl_priv *priv , const u8 *ra, u16 tid)
sta_id = iwl_find_station(priv, ra);
- if (sta_id == IWL_INVALID_STATION)
+ if (sta_id == IWL_INVALID_STATION) {
+ IWL_ERR(priv, "Invalid station for AGG tid %d\n", tid);
return -ENXIO;
+ }
if (priv->stations[sta_id].tid[tid].agg.state != IWL_AGG_ON)
IWL_WARN(priv, "Stopping AGG while state not IWL_AGG_ON\n");
@@ -1429,7 +1435,7 @@ void iwl_rx_reply_compressed_ba(struct iwl_priv *priv,
if ((iwl_queue_space(&txq->q) > txq->q.low_mark) &&
priv->mac80211_registered &&
(agg->state != IWL_EMPTYING_HW_QUEUE_DELBA))
- ieee80211_wake_queue(priv->hw, txq->swq_id);
+ iwl_wake_queue(priv, txq->swq_id);
iwl_txq_check_empty(priv, sta_id, tid, scd_flow);
}
diff --git a/drivers/net/wireless/iwlwifi/iwl3945-base.c b/drivers/net/wireless/iwlwifi/iwl3945-base.c
index 4465320f273..a71b08ca7c7 100644
--- a/drivers/net/wireless/iwlwifi/iwl3945-base.c
+++ b/drivers/net/wireless/iwlwifi/iwl3945-base.c
@@ -485,14 +485,14 @@ static int iwl3945_set_ccmp_dynamic_key_info(struct iwl_priv *priv,
memcpy(priv->stations_39[sta_id].sta.key.key, keyconf->key,
keyconf->keylen);
- if ((priv->stations[sta_id].sta.key.key_flags & STA_KEY_FLG_ENCRYPT_MSK)
+ if ((priv->stations_39[sta_id].sta.key.key_flags & STA_KEY_FLG_ENCRYPT_MSK)
== STA_KEY_FLG_NO_ENC)
- priv->stations[sta_id].sta.key.key_offset =
+ priv->stations_39[sta_id].sta.key.key_offset =
iwl_get_free_ucode_key_index(priv);
/* else, we are overriding an existing key => no need to allocated room
* in uCode. */
- WARN(priv->stations[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET,
+ WARN(priv->stations_39[sta_id].sta.key.key_offset == WEP_INVALID_OFFSET,
"no space for a new key");
priv->stations_39[sta_id].sta.key.key_flags = key_flags;
@@ -560,7 +560,7 @@ static int iwl3945_set_dynamic_key(struct iwl_priv *priv,
ret = iwl3945_set_wep_dynamic_key_info(priv, keyconf, sta_id);
break;
default:
- IWL_ERR(priv,"Unknown alg: %s alg = %d\n", __func__, keyconf->alg);
+ IWL_ERR(priv, "Unknown alg: %s alg = %d\n", __func__, keyconf->alg);
ret = -EINVAL;
}
@@ -1168,7 +1168,7 @@ static int iwl3945_tx_skb(struct iwl_priv *priv, struct sk_buff *skb)
spin_unlock_irqrestore(&priv->lock, flags);
}
- ieee80211_stop_queue(priv->hw, skb_get_queue_mapping(skb));
+ iwl_stop_queue(priv, skb_get_queue_mapping(skb));
}
return 0;
@@ -3773,15 +3773,19 @@ static int iwl3945_mac_config(struct ieee80211_hw *hw, u32 changed)
}
#endif
- if (conf->radio_enabled && iwl_radio_kill_sw_enable_radio(priv)) {
- IWL_DEBUG_MAC80211(priv, "leave - RF-KILL - waiting for uCode\n");
- goto out;
- }
+ if (changed & IEEE80211_CONF_CHANGE_RADIO_ENABLED) {
+ if (conf->radio_enabled &&
+ iwl_radio_kill_sw_enable_radio(priv)) {
+ IWL_DEBUG_MAC80211(priv, "leave - RF-KILL - "
+ "waiting for uCode\n");
+ goto out;
+ }
- if (!conf->radio_enabled) {
- iwl_radio_kill_sw_disable_radio(priv);
- IWL_DEBUG_MAC80211(priv, "leave - radio disabled\n");
- goto out;
+ if (!conf->radio_enabled) {
+ iwl_radio_kill_sw_disable_radio(priv);
+ IWL_DEBUG_MAC80211(priv, "leave - radio disabled\n");
+ goto out;
+ }
}
if (iwl_is_rfkill(priv)) {
@@ -4546,11 +4550,6 @@ static ssize_t store_power_level(struct device *d,
mutex_lock(&priv->mutex);
- if (!iwl_is_ready(priv)) {
- ret = -EAGAIN;
- goto out;
- }
-
ret = strict_strtoul(buf, 10, &mode);
if (ret)
goto out;
@@ -4905,7 +4904,8 @@ static int iwl3945_setup_mac(struct iwl_priv *priv)
/* Tell mac80211 our characteristics */
hw->flags = IEEE80211_HW_SIGNAL_DBM |
- IEEE80211_HW_NOISE_DBM;
+ IEEE80211_HW_NOISE_DBM |
+ IEEE80211_HW_SPECTRUM_MGMT;
hw->wiphy->interface_modes =
BIT(NL80211_IFTYPE_STATION) |
diff --git a/drivers/net/wireless/libertas/radiotap.h b/drivers/net/wireless/libertas/radiotap.h
index f8eb9097ff0..d16b26416e8 100644
--- a/drivers/net/wireless/libertas/radiotap.h
+++ b/drivers/net/wireless/libertas/radiotap.h
@@ -33,22 +33,12 @@ struct rx_radiotap_hdr {
struct ieee80211_radiotap_header hdr;
u8 flags;
u8 rate;
- u16 chan_freq;
- u16 chan_flags;
- u8 antenna;
u8 antsignal;
- u16 rx_flags;
-#if 0
- u8 pad[IEEE80211_RADIOTAP_HDRLEN - 18];
-#endif
} __attribute__ ((packed));
#define RX_RADIOTAP_PRESENT ( \
(1 << IEEE80211_RADIOTAP_FLAGS) | \
(1 << IEEE80211_RADIOTAP_RATE) | \
- (1 << IEEE80211_RADIOTAP_CHANNEL) | \
- (1 << IEEE80211_RADIOTAP_ANTENNA) | \
(1 << IEEE80211_RADIOTAP_DB_ANTSIGNAL) |\
- (1 << IEEE80211_RADIOTAP_RX_FLAGS) | \
0)
diff --git a/drivers/net/wireless/libertas/rx.c b/drivers/net/wireless/libertas/rx.c
index 4f60948dde9..63d7e19ce9b 100644
--- a/drivers/net/wireless/libertas/rx.c
+++ b/drivers/net/wireless/libertas/rx.c
@@ -351,19 +351,11 @@ static int process_rxed_802_11_packet(struct lbs_private *priv,
radiotap_hdr.hdr.it_pad = 0;
radiotap_hdr.hdr.it_len = cpu_to_le16 (sizeof(struct rx_radiotap_hdr));
radiotap_hdr.hdr.it_present = cpu_to_le32 (RX_RADIOTAP_PRESENT);
- /* unknown values */
- radiotap_hdr.flags = 0;
- radiotap_hdr.chan_freq = 0;
- radiotap_hdr.chan_flags = 0;
- radiotap_hdr.antenna = 0;
- /* known values */
+ if (!(prxpd->status & cpu_to_le16(MRVDRV_RXPD_STATUS_OK)))
+ radiotap_hdr.flags |= IEEE80211_RADIOTAP_F_BADFCS;
radiotap_hdr.rate = convert_mv_rate_to_radiotap(prxpd->rx_rate);
/* XXX must check no carryout */
radiotap_hdr.antsignal = prxpd->snr + prxpd->nf;
- radiotap_hdr.rx_flags = 0;
- if (!(prxpd->status & cpu_to_le16(MRVDRV_RXPD_STATUS_OK)))
- radiotap_hdr.rx_flags |= IEEE80211_RADIOTAP_F_RX_BADFCS;
- //memset(radiotap_hdr.pad, 0x11, IEEE80211_RADIOTAP_HDRLEN - 18);
/* chop the rxpd */
skb_pull(skb, sizeof(struct rxpd));
diff --git a/drivers/net/wireless/mac80211_hwsim.c b/drivers/net/wireless/mac80211_hwsim.c
index 2368b7f825a..d4fdc8b7d7d 100644
--- a/drivers/net/wireless/mac80211_hwsim.c
+++ b/drivers/net/wireless/mac80211_hwsim.c
@@ -933,7 +933,6 @@ static int __init init_mac80211_hwsim(void)
BIT(NL80211_IFTYPE_STATION) |
BIT(NL80211_IFTYPE_AP) |
BIT(NL80211_IFTYPE_MESH_POINT);
- hw->ampdu_queues = 1;
hw->flags = IEEE80211_HW_MFP_CAPABLE;
@@ -1041,6 +1040,9 @@ static int __init init_mac80211_hwsim(void)
break;
}
+ /* give the regulatory workqueue a chance to run */
+ if (regtest)
+ schedule_timeout_interruptible(1);
err = ieee80211_register_hw(hw);
if (err < 0) {
printk(KERN_DEBUG "mac80211_hwsim: "
diff --git a/drivers/net/wireless/p54/Kconfig b/drivers/net/wireless/p54/Kconfig
index cfc5f41aa13..b45d6a4ed1e 100644
--- a/drivers/net/wireless/p54/Kconfig
+++ b/drivers/net/wireless/p54/Kconfig
@@ -1,9 +1,10 @@
config P54_COMMON
tristate "Softmac Prism54 support"
- depends on MAC80211 && WLAN_80211 && FW_LOADER && EXPERIMENTAL
+ depends on MAC80211 && WLAN_80211 && EXPERIMENTAL
+ select FW_LOADER
---help---
- This is common code for isl38xx based cards.
- This module does nothing by itself - the USB/PCI frontends
+ This is common code for isl38xx/stlc45xx based modules.
+ This module does nothing by itself - the USB/PCI/SPI front-ends
also need to be enabled in order to support any devices.
These devices require softmac firmware which can be found at
@@ -17,31 +18,6 @@ config P54_USB
select CRC32
---help---
This driver is for USB isl38xx based wireless cards.
- These are USB based adapters found in devices such as:
-
- 3COM 3CRWE254G72
- SMC 2862W-G
- Accton 802.11g WN4501 USB
- Siemens Gigaset USB
- Netgear WG121
- Netgear WG111
- Medion 40900, Roper Europe
- Shuttle PN15, Airvast WM168g, IOGear GWU513
- Linksys WUSB54G
- Linksys WUSB54G Portable
- DLink DWL-G120 Spinnaker
- DLink DWL-G122
- Belkin F5D7050 ver 1000
- Cohiba Proto board
- SMC 2862W-G version 2
- U.S. Robotics U5 802.11g Adapter
- FUJITSU E-5400 USB D1700
- Sagem XG703A
- DLink DWL-G120 Cohiba
- Spinnaker Proto board
- Linksys WUSB54AG
- Inventel UR054G
- Spinnaker DUT
These devices require softmac firmware which can be found at
http://prism54.org/
@@ -64,10 +40,15 @@ config P54_PCI
config P54_SPI
tristate "Prism54 SPI (stlc45xx) support"
- depends on P54_COMMON && SPI_MASTER
+ depends on P54_COMMON && SPI_MASTER && GENERIC_HARDIRQS
---help---
This driver is for stlc4550 or stlc4560 based wireless chips.
This driver is experimental, untested and will probably only work on
Nokia's N800/N810 Portable Internet Tablet.
If you choose to build a module, it'll be called p54spi.
+
+config P54_LEDS
+ bool
+ depends on P54_COMMON && MAC80211_LEDS && (LEDS_CLASS = y || LEDS_CLASS = P54_COMMON)
+ default y
diff --git a/drivers/net/wireless/p54/p54common.c b/drivers/net/wireless/p54/p54common.c
index 0a989834b70..0c1b0577d4e 100644
--- a/drivers/net/wireless/p54/p54common.c
+++ b/drivers/net/wireless/p54/p54common.c
@@ -21,9 +21,9 @@
#include <linux/etherdevice.h>
#include <net/mac80211.h>
-#ifdef CONFIG_MAC80211_LEDS
+#ifdef CONFIG_P54_LEDS
#include <linux/leds.h>
-#endif /* CONFIG_MAC80211_LEDS */
+#endif /* CONFIG_P54_LEDS */
#include "p54.h"
#include "p54common.h"
@@ -2420,7 +2420,7 @@ static int p54_set_key(struct ieee80211_hw *dev, enum set_key_cmd cmd,
return 0;
}
-#ifdef CONFIG_MAC80211_LEDS
+#ifdef CONFIG_P54_LEDS
static void p54_led_brightness_set(struct led_classdev *led_dev,
enum led_brightness brightness)
{
@@ -2508,7 +2508,7 @@ static void p54_unregister_leds(struct ieee80211_hw *dev)
if (priv->assoc_led.registered)
led_classdev_unregister(&priv->assoc_led.led_dev);
}
-#endif /* CONFIG_MAC80211_LEDS */
+#endif /* CONFIG_P54_LEDS */
static const struct ieee80211_ops p54_ops = {
.tx = p54_tx,
@@ -2592,11 +2592,11 @@ int p54_register_common(struct ieee80211_hw *dev, struct device *pdev)
return err;
}
- #ifdef CONFIG_MAC80211_LEDS
+#ifdef CONFIG_P54_LEDS
err = p54_init_leds(dev);
if (err)
return err;
- #endif /* CONFIG_MAC80211_LEDS */
+#endif /* CONFIG_P54_LEDS */
dev_info(pdev, "is registered as '%s'\n", wiphy_name(dev->wiphy));
return 0;
@@ -2610,9 +2610,9 @@ void p54_free_common(struct ieee80211_hw *dev)
kfree(priv->output_limit);
kfree(priv->curve_data);
- #ifdef CONFIG_MAC80211_LEDS
+#ifdef CONFIG_P54_LEDS
p54_unregister_leds(dev);
- #endif /* CONFIG_MAC80211_LEDS */
+#endif /* CONFIG_P54_LEDS */
}
EXPORT_SYMBOL_GPL(p54_free_common);
diff --git a/drivers/net/wireless/rt2x00/rt73usb.c b/drivers/net/wireless/rt2x00/rt73usb.c
index 24fdfdfee3d..420fff42c0d 100644
--- a/drivers/net/wireless/rt2x00/rt73usb.c
+++ b/drivers/net/wireless/rt2x00/rt73usb.c
@@ -2425,6 +2425,8 @@ static struct usb_device_id rt73usb_device_table[] = {
{ USB_DEVICE(0x0df6, 0x9712), USB_DEVICE_DATA(&rt73usb_ops) },
/* Surecom */
{ USB_DEVICE(0x0769, 0x31f3), USB_DEVICE_DATA(&rt73usb_ops) },
+ /* Tilgin */
+ { USB_DEVICE(0x6933, 0x5001), USB_DEVICE_DATA(&rt73usb_ops) },
/* Philips */
{ USB_DEVICE(0x0471, 0x200a), USB_DEVICE_DATA(&rt73usb_ops) },
/* Planex */
diff --git a/drivers/net/wireless/wavelan.c b/drivers/net/wireless/wavelan.c
index b728541f2fb..3ab3eb95718 100644
--- a/drivers/net/wireless/wavelan.c
+++ b/drivers/net/wireless/wavelan.c
@@ -735,9 +735,9 @@ if (lp->tx_n_in_use > 0)
if (tx_status & AC_SFLD_OK) {
int ncollisions;
- lp->stats.tx_packets++;
+ dev->stats.tx_packets++;
ncollisions = tx_status & AC_SFLD_MAXCOL;
- lp->stats.collisions += ncollisions;
+ dev->stats.collisions += ncollisions;
#ifdef DEBUG_TX_INFO
if (ncollisions > 0)
printk(KERN_DEBUG
@@ -745,9 +745,9 @@ if (lp->tx_n_in_use > 0)
dev->name, ncollisions);
#endif
} else {
- lp->stats.tx_errors++;
+ dev->stats.tx_errors++;
if (tx_status & AC_SFLD_S10) {
- lp->stats.tx_carrier_errors++;
+ dev->stats.tx_carrier_errors++;
#ifdef DEBUG_TX_FAIL
printk(KERN_DEBUG
"%s: wv_complete(): tx error: no CS.\n",
@@ -755,7 +755,7 @@ if (lp->tx_n_in_use > 0)
#endif
}
if (tx_status & AC_SFLD_S9) {
- lp->stats.tx_carrier_errors++;
+ dev->stats.tx_carrier_errors++;
#ifdef DEBUG_TX_FAIL
printk(KERN_DEBUG
"%s: wv_complete(): tx error: lost CTS.\n",
@@ -763,7 +763,7 @@ if (lp->tx_n_in_use > 0)
#endif
}
if (tx_status & AC_SFLD_S8) {
- lp->stats.tx_fifo_errors++;
+ dev->stats.tx_fifo_errors++;
#ifdef DEBUG_TX_FAIL
printk(KERN_DEBUG
"%s: wv_complete(): tx error: slow DMA.\n",
@@ -771,7 +771,7 @@ if (lp->tx_n_in_use > 0)
#endif
}
if (tx_status & AC_SFLD_S6) {
- lp->stats.tx_heartbeat_errors++;
+ dev->stats.tx_heartbeat_errors++;
#ifdef DEBUG_TX_FAIL
printk(KERN_DEBUG
"%s: wv_complete(): tx error: heart beat.\n",
@@ -779,7 +779,7 @@ if (lp->tx_n_in_use > 0)
#endif
}
if (tx_status & AC_SFLD_S5) {
- lp->stats.tx_aborted_errors++;
+ dev->stats.tx_aborted_errors++;
#ifdef DEBUG_TX_FAIL
printk(KERN_DEBUG
"%s: wv_complete(): tx error: too many collisions.\n",
@@ -1346,20 +1346,6 @@ static void wv_init_info(struct net_device * dev)
* or wireless extensions
*/
-/*------------------------------------------------------------------*/
-/*
- * Get the current Ethernet statistics. This may be called with the
- * card open or closed.
- * Used when the user read /proc/net/dev
- */
-static en_stats *wavelan_get_stats(struct net_device * dev)
-{
-#ifdef DEBUG_IOCTL_TRACE
- printk(KERN_DEBUG "%s: <>wavelan_get_stats()\n", dev->name);
-#endif
-
- return &((net_local *)netdev_priv(dev))->stats;
-}
/*------------------------------------------------------------------*/
/*
@@ -2466,7 +2452,7 @@ wv_packet_read(struct net_device * dev, u16 buf_off, int sksize)
"%s: wv_packet_read(): could not alloc_skb(%d, GFP_ATOMIC).\n",
dev->name, sksize);
#endif
- lp->stats.rx_dropped++;
+ dev->stats.rx_dropped++;
return;
}
@@ -2526,8 +2512,8 @@ wv_packet_read(struct net_device * dev, u16 buf_off, int sksize)
netif_rx(skb);
/* Keep statistics up to date */
- lp->stats.rx_packets++;
- lp->stats.rx_bytes += sksize;
+ dev->stats.rx_packets++;
+ dev->stats.rx_bytes += sksize;
#ifdef DEBUG_RX_TRACE
printk(KERN_DEBUG "%s: <-wv_packet_read()\n", dev->name);
@@ -2608,7 +2594,7 @@ static void wv_receive(struct net_device * dev)
#endif
} else { /* If reception was no successful */
- lp->stats.rx_errors++;
+ dev->stats.rx_errors++;
#ifdef DEBUG_RX_INFO
printk(KERN_DEBUG
@@ -2624,7 +2610,7 @@ static void wv_receive(struct net_device * dev)
#endif
if ((fd.fd_status & FD_STATUS_S7) != 0) {
- lp->stats.rx_length_errors++;
+ dev->stats.rx_length_errors++;
#ifdef DEBUG_RX_FAIL
printk(KERN_DEBUG
"%s: wv_receive(): frame too short.\n",
@@ -2633,7 +2619,7 @@ static void wv_receive(struct net_device * dev)
}
if ((fd.fd_status & FD_STATUS_S8) != 0) {
- lp->stats.rx_over_errors++;
+ dev->stats.rx_over_errors++;
#ifdef DEBUG_RX_FAIL
printk(KERN_DEBUG
"%s: wv_receive(): rx DMA overrun.\n",
@@ -2642,7 +2628,7 @@ static void wv_receive(struct net_device * dev)
}
if ((fd.fd_status & FD_STATUS_S9) != 0) {
- lp->stats.rx_fifo_errors++;
+ dev->stats.rx_fifo_errors++;
#ifdef DEBUG_RX_FAIL
printk(KERN_DEBUG
"%s: wv_receive(): ran out of resources.\n",
@@ -2651,7 +2637,7 @@ static void wv_receive(struct net_device * dev)
}
if ((fd.fd_status & FD_STATUS_S10) != 0) {
- lp->stats.rx_frame_errors++;
+ dev->stats.rx_frame_errors++;
#ifdef DEBUG_RX_FAIL
printk(KERN_DEBUG
"%s: wv_receive(): alignment error.\n",
@@ -2660,7 +2646,7 @@ static void wv_receive(struct net_device * dev)
}
if ((fd.fd_status & FD_STATUS_S11) != 0) {
- lp->stats.rx_crc_errors++;
+ dev->stats.rx_crc_errors++;
#ifdef DEBUG_RX_FAIL
printk(KERN_DEBUG
"%s: wv_receive(): CRC error.\n",
@@ -2826,7 +2812,7 @@ static int wv_packet_write(struct net_device * dev, void *buf, short length)
dev->trans_start = jiffies;
/* Keep stats up to date. */
- lp->stats.tx_bytes += length;
+ dev->stats.tx_bytes += length;
if (lp->tx_first_in_use == I82586NULL)
lp->tx_first_in_use = txblock;
@@ -4038,6 +4024,22 @@ static int wavelan_close(struct net_device * dev)
return 0;
}
+static const struct net_device_ops wavelan_netdev_ops = {
+ .ndo_open = wavelan_open,
+ .ndo_stop = wavelan_close,
+ .ndo_start_xmit = wavelan_packet_xmit,
+ .ndo_set_multicast_list = wavelan_set_multicast_list,
+ .ndo_tx_timeout = wavelan_watchdog,
+ .ndo_change_mtu = eth_change_mtu,
+ .ndo_validate_addr = eth_validate_addr,
+#ifdef SET_MAC_ADDRESS
+ .ndo_set_mac_address = wavelan_set_mac_address
+#else
+ .ndo_set_mac_address = eth_mac_addr,
+#endif
+};
+
+
/*------------------------------------------------------------------*/
/*
* Probe an I/O address, and if the WaveLAN is there configure the
@@ -4130,17 +4132,8 @@ static int __init wavelan_config(struct net_device *dev, unsigned short ioaddr)
/* Init spinlock */
spin_lock_init(&lp->spinlock);
- dev->open = wavelan_open;
- dev->stop = wavelan_close;
- dev->hard_start_xmit = wavelan_packet_xmit;
- dev->get_stats = wavelan_get_stats;
- dev->set_multicast_list = &wavelan_set_multicast_list;
- dev->tx_timeout = &wavelan_watchdog;
- dev->watchdog_timeo = WATCHDOG_JIFFIES;
-#ifdef SET_MAC_ADDRESS
- dev->set_mac_address = &wavelan_set_mac_address;
-#endif /* SET_MAC_ADDRESS */
-
+ dev->netdev_ops = &wavelan_netdev_ops;
+ dev->watchdog_timeo = WATCHDOG_JIFFIES;
dev->wireless_handlers = &wavelan_handler_def;
lp->wireless_data.spy_data = &lp->spy_data;
dev->wireless_data = &lp->wireless_data;
diff --git a/drivers/net/wireless/wavelan.p.h b/drivers/net/wireless/wavelan.p.h
index 44d31bbf39e..2daa0210d78 100644
--- a/drivers/net/wireless/wavelan.p.h
+++ b/drivers/net/wireless/wavelan.p.h
@@ -459,11 +459,9 @@ static const char *version = "wavelan.c : v24 (SMP + wireless extensions) 11/12/
/****************************** TYPES ******************************/
/* Shortcuts */
-typedef struct net_device_stats en_stats;
typedef struct iw_statistics iw_stats;
typedef struct iw_quality iw_qual;
-typedef struct iw_freq iw_freq;
-typedef struct net_local net_local;
+typedef struct iw_freq iw_freq;typedef struct net_local net_local;
typedef struct timer_list timer_list;
/* Basic types */
@@ -475,15 +473,12 @@ typedef u_char mac_addr[WAVELAN_ADDR_SIZE]; /* Hardware address */
* For each network interface, Linux keeps data in two structures: "device"
* keeps the generic data (same format for everybody) and "net_local" keeps
* additional specific data.
- * Note that some of this specific data is in fact generic (en_stats, for
- * example).
*/
struct net_local
{
net_local * next; /* linked list of the devices */
struct net_device * dev; /* reverse link */
spinlock_t spinlock; /* Serialize access to the hardware (SMP) */
- en_stats stats; /* Ethernet interface statistics */
int nresets; /* number of hardware resets */
u_char reconfig_82586; /* We need to reconfigure the controller. */
u_char promiscuous; /* promiscuous mode */
@@ -601,8 +596,6 @@ static void
static inline void
wv_init_info(struct net_device *); /* display startup info */
/* ------------------- IOCTL, STATS & RECONFIG ------------------- */
-static en_stats *
- wavelan_get_stats(struct net_device *); /* Give stats /proc/net/dev */
static iw_stats *
wavelan_get_wireless_stats(struct net_device *);
static void
diff --git a/drivers/ssb/Kconfig b/drivers/ssb/Kconfig
index b1b947edcf0..540a2948596 100644
--- a/drivers/ssb/Kconfig
+++ b/drivers/ssb/Kconfig
@@ -53,11 +53,11 @@ config SSB_B43_PCI_BRIDGE
config SSB_PCMCIAHOST_POSSIBLE
bool
- depends on SSB && (PCMCIA = y || PCMCIA = SSB) && EXPERIMENTAL
+ depends on SSB && (PCMCIA = y || PCMCIA = SSB)
default y
config SSB_PCMCIAHOST
- bool "Support for SSB on PCMCIA-bus host (EXPERIMENTAL)"
+ bool "Support for SSB on PCMCIA-bus host"
depends on SSB_PCMCIAHOST_POSSIBLE
select SSB_SPROM
help
@@ -107,14 +107,14 @@ config SSB_DRIVER_PCICORE
If unsure, say Y
config SSB_PCICORE_HOSTMODE
- bool "Hostmode support for SSB PCI core (EXPERIMENTAL)"
- depends on SSB_DRIVER_PCICORE && SSB_DRIVER_MIPS && EXPERIMENTAL
+ bool "Hostmode support for SSB PCI core"
+ depends on SSB_DRIVER_PCICORE && SSB_DRIVER_MIPS
help
PCIcore hostmode operation (external PCI bus).
config SSB_DRIVER_MIPS
- bool "SSB Broadcom MIPS core driver (EXPERIMENTAL)"
- depends on SSB && MIPS && EXPERIMENTAL
+ bool "SSB Broadcom MIPS core driver"
+ depends on SSB && MIPS
select SSB_SERIAL
help
Driver for the Sonics Silicon Backplane attached
@@ -129,8 +129,8 @@ config SSB_EMBEDDED
default y
config SSB_DRIVER_EXTIF
- bool "SSB Broadcom EXTIF core driver (EXPERIMENTAL)"
- depends on SSB_DRIVER_MIPS && EXPERIMENTAL
+ bool "SSB Broadcom EXTIF core driver"
+ depends on SSB_DRIVER_MIPS
help
Driver for the Sonics Silicon Backplane attached
Broadcom EXTIF core.
diff --git a/drivers/ssb/b43_pci_bridge.c b/drivers/ssb/b43_pci_bridge.c
index 27a677584a4..ef9c6a04ad8 100644
--- a/drivers/ssb/b43_pci_bridge.c
+++ b/drivers/ssb/b43_pci_bridge.c
@@ -18,6 +18,7 @@
static const struct pci_device_id b43_pci_bridge_tbl[] = {
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4301) },
+ { PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4306) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4307) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4311) },
{ PCI_DEVICE(PCI_VENDOR_ID_BROADCOM, 0x4312) },