aboutsummaryrefslogtreecommitdiff
path: root/drivers/net/wireless/b43/phy_a.c
diff options
context:
space:
mode:
authorMichael Buesch <mb@bu3sch.de>2008-08-30 02:09:08 +0200
committerJohn W. Linville <linville@tuxdriver.com>2008-09-05 16:17:42 -0400
commit99c4a780624da24d20309f2be5abe5ef8d20fcc0 (patch)
treed244a0701097d03794a226946d370ed31bcd7bf8 /drivers/net/wireless/b43/phy_a.c
parentf59ac0481660e66cec67f1d6b024e78b9dc715fe (diff)
b43: Move remaining code from phy.c to phy_a.c
This moves the remaining code from phy.c to phy_a.c phy.c is removed. No functional change. Just moving code and removing dead code. Signed-off-by: Michael Buesch <mb@bu3sch.de> Signed-off-by: John W. Linville <linville@tuxdriver.com>
Diffstat (limited to 'drivers/net/wireless/b43/phy_a.c')
-rw-r--r--drivers/net/wireless/b43/phy_a.c85
1 files changed, 84 insertions, 1 deletions
diff --git a/drivers/net/wireless/b43/phy_a.c b/drivers/net/wireless/b43/phy_a.c
index 4d7d59e3096..2ca8353aa9a 100644
--- a/drivers/net/wireless/b43/phy_a.c
+++ b/drivers/net/wireless/b43/phy_a.c
@@ -58,6 +58,25 @@ static inline u16 freq_r3A_value(u16 frequency)
return value;
}
+#if 0
+/* This function converts a TSSI value to dBm in Q5.2 */
+static s8 b43_aphy_estimate_power_out(struct b43_wldev *dev, s8 tssi)
+{
+ struct b43_phy *phy = &dev->phy;
+ struct b43_phy_a *aphy = phy->a;
+ s8 dbm = 0;
+ s32 tmp;
+
+ tmp = (aphy->tgt_idle_tssi - aphy->cur_idle_tssi + tssi);
+ tmp += 0x80;
+ tmp = clamp_val(tmp, 0x00, 0xFF);
+ dbm = aphy->tssi2dbm[tmp];
+ //TODO: There's a FIXME on the specs
+
+ return dbm;
+}
+#endif
+
void b43_radio_set_tx_iq(struct b43_wldev *dev)
{
static const u8 data_high[5] = { 0x00, 0x40, 0x80, 0x90, 0xD0 };
@@ -326,9 +345,46 @@ void b43_phy_inita(struct b43_wldev *dev)
}
}
+/* Initialise the TSSI->dBm lookup table */
+static int b43_aphy_init_tssi2dbm_table(struct b43_wldev *dev)
+{
+ struct b43_phy *phy = &dev->phy;
+ struct b43_phy_a *aphy = phy->a;
+ s16 pab0, pab1, pab2;
+
+ pab0 = (s16) (dev->dev->bus->sprom.pa1b0);
+ pab1 = (s16) (dev->dev->bus->sprom.pa1b1);
+ pab2 = (s16) (dev->dev->bus->sprom.pa1b2);
+
+ if (pab0 != 0 && pab1 != 0 && pab2 != 0 &&
+ pab0 != -1 && pab1 != -1 && pab2 != -1) {
+ /* The pabX values are set in SPROM. Use them. */
+ if ((s8) dev->dev->bus->sprom.itssi_a != 0 &&
+ (s8) dev->dev->bus->sprom.itssi_a != -1)
+ aphy->tgt_idle_tssi =
+ (s8) (dev->dev->bus->sprom.itssi_a);
+ else
+ aphy->tgt_idle_tssi = 62;
+ aphy->tssi2dbm = b43_generate_dyn_tssi2dbm_tab(dev, pab0,
+ pab1, pab2);
+ if (!aphy->tssi2dbm)
+ return -ENOMEM;
+ } else {
+ /* pabX values not set in SPROM,
+ * but APHY needs a generated table. */
+ aphy->tssi2dbm = NULL;
+ b43err(dev->wl, "Could not generate tssi2dBm "
+ "table (wrong SPROM info)!\n");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
static int b43_aphy_op_allocate(struct b43_wldev *dev)
{
struct b43_phy_a *aphy;
+ int err;
aphy = kzalloc(sizeof(*aphy), GFP_KERNEL);
if (!aphy)
@@ -337,7 +393,17 @@ static int b43_aphy_op_allocate(struct b43_wldev *dev)
//TODO init struct b43_phy_a
+ err = b43_aphy_init_tssi2dbm_table(dev);
+ if (err)
+ goto err_free_aphy;
+
return 0;
+
+err_free_aphy:
+ kfree(aphy);
+ dev->phy.a = NULL;
+
+ return err;
}
static int b43_aphy_op_init(struct b43_wldev *dev)
@@ -359,6 +425,7 @@ static void b43_aphy_op_exit(struct b43_wldev *dev)
aphy->initialised = 0;
}
//TODO
+ kfree(aphy->tssi2dbm);
kfree(aphy);
dev->phy.a = NULL;
}
@@ -430,7 +497,23 @@ static bool b43_aphy_op_supports_hwpctl(struct b43_wldev *dev)
static void b43_aphy_op_software_rfkill(struct b43_wldev *dev,
enum rfkill_state state)
-{//TODO
+{
+ struct b43_phy *phy = &dev->phy;
+
+ if (state == RFKILL_STATE_UNBLOCKED) {
+ if (phy->radio_on)
+ return;
+ b43_radio_write16(dev, 0x0004, 0x00C0);
+ b43_radio_write16(dev, 0x0005, 0x0008);
+ b43_phy_write(dev, 0x0010, b43_phy_read(dev, 0x0010) & 0xFFF7);
+ b43_phy_write(dev, 0x0011, b43_phy_read(dev, 0x0011) & 0xFFF7);
+ b43_radio_init2060(dev);
+ } else {
+ b43_radio_write16(dev, 0x0004, 0x00FF);
+ b43_radio_write16(dev, 0x0005, 0x00FB);
+ b43_phy_write(dev, 0x0010, b43_phy_read(dev, 0x0010) | 0x0008);
+ b43_phy_write(dev, 0x0011, b43_phy_read(dev, 0x0011) | 0x0008);
+ }
}
static int b43_aphy_op_switch_channel(struct b43_wldev *dev,