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authorLinus Torvalds <torvalds@linux-foundation.org>2009-01-09 15:27:39 -0800
committerLinus Torvalds <torvalds@linux-foundation.org>2009-01-09 15:27:39 -0800
commit2fb585a10e421b4eeae066eb99080bd7e4512079 (patch)
treeb8ca32933de26e9198490acfb5a4df093fdd8ef9 /drivers/isdn/hardware
parent31aeb6c815549948571eec988ad9728c27d7a68d (diff)
parent69f52adb2d534afc41fcc658f155e01f0b322f9e (diff)
Merge branch 'for_2.6.29' of git://git.kernel.org/pub/scm/linux/kernel/git/kkeil/ISDN-2.6
* 'for_2.6.29' of git://git.kernel.org/pub/scm/linux/kernel/git/kkeil/ISDN-2.6: (28 commits) mISDN: Add HFC USB driver mISDN: Add layer1 prim MPH_INFORMATION_REQ mISDN: Fix kernel crash when doing hardware conference with more than two members mISDN: Added missing create_l1() call mISDN: Add MODULE_DEVICE_TABLE() to hfcpci mISDN: Minor cleanups mISDN: Create /sys/class/mISDN mISDN: Add missing release functions mISDN: Add different different timer settings for hfc-pci mISDN: Minor fixes mISDN: Correct busy device detection mISDN: Fix deactivation, if peer IP is removed from l1oip instance. mISDN: Add ISDN_P_TE_UP0 / ISDN_P_NT_UP0 mISDN: Fix irq detection mISDN: Add ISDN sample clock API to mISDN core mISDN: Return error on E-channel access mISDN: Add E-Channel logging features mISDN: Use protocol to detect D-channel mISDN: Fixed more indexing bugs mISDN: Make debug output a little bit more verbose ...
Diffstat (limited to 'drivers/isdn/hardware')
-rw-r--r--drivers/isdn/hardware/mISDN/Kconfig7
-rw-r--r--drivers/isdn/hardware/mISDN/Makefile1
-rw-r--r--drivers/isdn/hardware/mISDN/hfc_multi.h10
-rw-r--r--drivers/isdn/hardware/mISDN/hfc_pci.h2
-rw-r--r--drivers/isdn/hardware/mISDN/hfcmulti.c206
-rw-r--r--drivers/isdn/hardware/mISDN/hfcpci.c239
-rw-r--r--drivers/isdn/hardware/mISDN/hfcsusb.c2196
-rw-r--r--drivers/isdn/hardware/mISDN/hfcsusb.h418
8 files changed, 2915 insertions, 164 deletions
diff --git a/drivers/isdn/hardware/mISDN/Kconfig b/drivers/isdn/hardware/mISDN/Kconfig
index 14793480c45..fd112ae252c 100644
--- a/drivers/isdn/hardware/mISDN/Kconfig
+++ b/drivers/isdn/hardware/mISDN/Kconfig
@@ -23,3 +23,10 @@ config MISDN_HFCMULTI
* HFC-8S (8 S/T interfaces on one chip)
* HFC-E1 (E1 interface for 2Mbit ISDN)
+config MISDN_HFCUSB
+ tristate "Support for HFC-S USB based TAs"
+ depends on USB
+ help
+ Enable support for USB ISDN TAs with Cologne Chip AG's
+ HFC-S USB ISDN Controller
+
diff --git a/drivers/isdn/hardware/mISDN/Makefile b/drivers/isdn/hardware/mISDN/Makefile
index 1e7ca5332ad..b0403526bbb 100644
--- a/drivers/isdn/hardware/mISDN/Makefile
+++ b/drivers/isdn/hardware/mISDN/Makefile
@@ -5,3 +5,4 @@
obj-$(CONFIG_MISDN_HFCPCI) += hfcpci.o
obj-$(CONFIG_MISDN_HFCMULTI) += hfcmulti.o
+obj-$(CONFIG_MISDN_HFCUSB) += hfcsusb.o
diff --git a/drivers/isdn/hardware/mISDN/hfc_multi.h b/drivers/isdn/hardware/mISDN/hfc_multi.h
index 7bbf7300593..663b77f578b 100644
--- a/drivers/isdn/hardware/mISDN/hfc_multi.h
+++ b/drivers/isdn/hardware/mISDN/hfc_multi.h
@@ -2,10 +2,6 @@
* see notice in hfc_multi.c
*/
-extern void ztdummy_extern_interrupt(void);
-extern void ztdummy_register_interrupt(void);
-extern int ztdummy_unregister_interrupt(void);
-
#define DEBUG_HFCMULTI_FIFO 0x00010000
#define DEBUG_HFCMULTI_CRC 0x00020000
#define DEBUG_HFCMULTI_INIT 0x00040000
@@ -13,6 +9,7 @@ extern int ztdummy_unregister_interrupt(void);
#define DEBUG_HFCMULTI_MODE 0x00100000
#define DEBUG_HFCMULTI_MSG 0x00200000
#define DEBUG_HFCMULTI_STATE 0x00400000
+#define DEBUG_HFCMULTI_FILL 0x00800000
#define DEBUG_HFCMULTI_SYNC 0x01000000
#define DEBUG_HFCMULTI_DTMF 0x02000000
#define DEBUG_HFCMULTI_LOCK 0x80000000
@@ -170,6 +167,8 @@ struct hfc_multi {
u_long chip; /* chip configuration */
int masterclk; /* port that provides master clock -1=off */
+ unsigned char silence;/* silence byte */
+ unsigned char silence_data[128];/* silence block */
int dtmf; /* flag that dtmf is currently in process */
int Flen; /* F-buffer size */
int Zlen; /* Z-buffer size (must be int for calculation)*/
@@ -198,6 +197,9 @@ struct hfc_multi {
spinlock_t lock; /* the lock */
+ struct mISDNclock *iclock; /* isdn clock support */
+ int iclock_on;
+
/*
* the channel index is counted from 0, regardless where the channel
* is located on the hfc-channel.
diff --git a/drivers/isdn/hardware/mISDN/hfc_pci.h b/drivers/isdn/hardware/mISDN/hfc_pci.h
index 5783d22a18f..3132ddc99fc 100644
--- a/drivers/isdn/hardware/mISDN/hfc_pci.h
+++ b/drivers/isdn/hardware/mISDN/hfc_pci.h
@@ -26,7 +26,7 @@
* change mask and threshold simultaneously
*/
#define HFCPCI_BTRANS_THRESHOLD 128
-#define HFCPCI_BTRANS_MAX 256
+#define HFCPCI_FILLEMPTY 64
#define HFCPCI_BTRANS_THRESMASK 0x00
/* defines for PCI config */
diff --git a/drivers/isdn/hardware/mISDN/hfcmulti.c b/drivers/isdn/hardware/mISDN/hfcmulti.c
index c63e2f49da8..97f4708b387 100644
--- a/drivers/isdn/hardware/mISDN/hfcmulti.c
+++ b/drivers/isdn/hardware/mISDN/hfcmulti.c
@@ -133,6 +133,12 @@
* Give the value of the clock control register (A_ST_CLK_DLY)
* of the S/T interfaces in TE mode.
* This register is needed for the TBR3 certification, so don't change it.
+ *
+ * clock:
+ * NOTE: only one clock value must be given once
+ * Selects interface with clock source for mISDN and applications.
+ * Set to card number starting with 1. Set to -1 to disable.
+ * By default, the first card is used as clock source.
*/
/*
@@ -140,7 +146,7 @@
* #define HFC_REGISTER_DEBUG
*/
-static const char *hfcmulti_revision = "2.02";
+#define HFC_MULTI_VERSION "2.03"
#include <linux/module.h>
#include <linux/pci.h>
@@ -165,10 +171,6 @@ static LIST_HEAD(HFClist);
static spinlock_t HFClock; /* global hfc list lock */
static void ph_state_change(struct dchannel *);
-static void (*hfc_interrupt)(void);
-static void (*register_interrupt)(void);
-static int (*unregister_interrupt)(void);
-static int interrupt_registered;
static struct hfc_multi *syncmaster;
static int plxsd_master; /* if we have a master card (yet) */
@@ -184,7 +186,6 @@ static int nt_t1_count[] = { 3840, 1920, 960, 480, 240, 120, 60, 30 };
#define CLKDEL_TE 0x0f /* CLKDEL in TE mode */
#define CLKDEL_NT 0x6c /* CLKDEL in NT mode
(0x60 MUST be included!) */
-static u_char silence = 0xff; /* silence by LAW */
#define DIP_4S 0x1 /* DIP Switches for Beronet 1S/2S/4S cards */
#define DIP_8S 0x2 /* DIP Switches for Beronet 8S+ cards */
@@ -195,12 +196,13 @@ static u_char silence = 0xff; /* silence by LAW */
*/
static uint type[MAX_CARDS];
-static uint pcm[MAX_CARDS];
-static uint dslot[MAX_CARDS];
+static int pcm[MAX_CARDS];
+static int dslot[MAX_CARDS];
static uint iomode[MAX_CARDS];
static uint port[MAX_PORTS];
static uint debug;
static uint poll;
+static int clock;
static uint timer;
static uint clockdelay_te = CLKDEL_TE;
static uint clockdelay_nt = CLKDEL_NT;
@@ -209,14 +211,16 @@ static int HFC_cnt, Port_cnt, PCM_cnt = 99;
MODULE_AUTHOR("Andreas Eversberg");
MODULE_LICENSE("GPL");
+MODULE_VERSION(HFC_MULTI_VERSION);
module_param(debug, uint, S_IRUGO | S_IWUSR);
module_param(poll, uint, S_IRUGO | S_IWUSR);
+module_param(clock, int, S_IRUGO | S_IWUSR);
module_param(timer, uint, S_IRUGO | S_IWUSR);
module_param(clockdelay_te, uint, S_IRUGO | S_IWUSR);
module_param(clockdelay_nt, uint, S_IRUGO | S_IWUSR);
module_param_array(type, uint, NULL, S_IRUGO | S_IWUSR);
-module_param_array(pcm, uint, NULL, S_IRUGO | S_IWUSR);
-module_param_array(dslot, uint, NULL, S_IRUGO | S_IWUSR);
+module_param_array(pcm, int, NULL, S_IRUGO | S_IWUSR);
+module_param_array(dslot, int, NULL, S_IRUGO | S_IWUSR);
module_param_array(iomode, uint, NULL, S_IRUGO | S_IWUSR);
module_param_array(port, uint, NULL, S_IRUGO | S_IWUSR);
@@ -1419,19 +1423,6 @@ controller_fail:
HFC_outb(hc, R_TI_WD, poll_timer);
hc->hw.r_irqmsk_misc |= V_TI_IRQMSK;
- /*
- * set up 125us interrupt, only if function pointer is available
- * and module parameter timer is set
- */
- if (timer && hfc_interrupt && register_interrupt) {
- /* only one chip should use this interrupt */
- timer = 0;
- interrupt_registered = 1;
- hc->hw.r_irqmsk_misc |= V_PROC_IRQMSK;
- /* deactivate other interrupts in ztdummy */
- register_interrupt();
- }
-
/* set E1 state machine IRQ */
if (hc->type == 1)
hc->hw.r_irqmsk_misc |= V_STA_IRQMSK;
@@ -1991,6 +1982,17 @@ next_frame:
return; /* no data */
}
+ /* "fill fifo if empty" feature */
+ if (bch && test_bit(FLG_FILLEMPTY, &bch->Flags)
+ && !test_bit(FLG_HDLC, &bch->Flags) && z2 == z1) {
+ if (debug & DEBUG_HFCMULTI_FILL)
+ printk(KERN_DEBUG "%s: buffer empty, so we have "
+ "underrun\n", __func__);
+ /* fill buffer, to prevent future underrun */
+ hc->write_fifo(hc, hc->silence_data, poll >> 1);
+ Zspace -= (poll >> 1);
+ }
+
/* if audio data and connected slot */
if (bch && (!test_bit(FLG_HDLC, &bch->Flags)) && (!*txpending)
&& slot_tx >= 0) {
@@ -2027,7 +2029,6 @@ next_frame:
__func__, hc->id + 1, ch, Zspace, z1, z2, ii-i, len-i,
temp ? "HDLC":"TRANS");
-
/* Have to prep the audio data */
hc->write_fifo(hc, d, ii - i);
*idxp = ii;
@@ -2066,7 +2067,7 @@ next_frame:
* no more data at all. this prevents sending an undefined value.
*/
if (bch && test_bit(FLG_TRANSPARENT, &bch->Flags))
- HFC_outb_nodebug(hc, A_FIFO_DATA0_NOINC, silence);
+ HFC_outb_nodebug(hc, A_FIFO_DATA0_NOINC, hc->silence);
}
@@ -2583,7 +2584,6 @@ hfcmulti_interrupt(int intno, void *dev_id)
static int iq1 = 0, iq2 = 0, iq3 = 0, iq4 = 0,
iq5 = 0, iq6 = 0, iqcnt = 0;
#endif
- static int count;
struct hfc_multi *hc = dev_id;
struct dchannel *dch;
u_char r_irq_statech, status, r_irq_misc, r_irq_oview;
@@ -2637,6 +2637,7 @@ hfcmulti_interrupt(int intno, void *dev_id)
iqcnt = 0;
}
#endif
+
if (!r_irq_statech &&
!(status & (V_DTMF_STA | V_LOST_STA | V_EXT_IRQSTA |
V_MISC_IRQSTA | V_FR_IRQSTA))) {
@@ -2657,6 +2658,7 @@ hfcmulti_interrupt(int intno, void *dev_id)
if (status & V_MISC_IRQSTA) {
/* misc IRQ */
r_irq_misc = HFC_inb_nodebug(hc, R_IRQ_MISC);
+ r_irq_misc &= hc->hw.r_irqmsk_misc; /* ignore disabled irqs */
if (r_irq_misc & V_STA_IRQ) {
if (hc->type == 1) {
/* state machine */
@@ -2691,23 +2693,20 @@ hfcmulti_interrupt(int intno, void *dev_id)
plxsd_checksync(hc, 0);
}
}
- if (r_irq_misc & V_TI_IRQ)
+ if (r_irq_misc & V_TI_IRQ) {
+ if (hc->iclock_on)
+ mISDN_clock_update(hc->iclock, poll, NULL);
handle_timer_irq(hc);
+ }
if (r_irq_misc & V_DTMF_IRQ) {
- /* -> DTMF IRQ */
hfcmulti_dtmf(hc);
}
- /* TODO: REPLACE !!!! 125 us Interrupts are not acceptable */
if (r_irq_misc & V_IRQ_PROC) {
- /* IRQ every 125us */
- count++;
- /* generate 1kHz signal */
- if (count == 8) {
- if (hfc_interrupt)
- hfc_interrupt();
- count = 0;
- }
+ static int irq_proc_cnt;
+ if (!irq_proc_cnt++)
+ printk(KERN_WARNING "%s: got V_IRQ_PROC -"
+ " this should not happen\n", __func__);
}
}
@@ -2954,7 +2953,7 @@ mode_hfcmulti(struct hfc_multi *hc, int ch, int protocol, int slot_tx,
HFC_outb(hc, R_INC_RES_FIFO, V_RES_F);
HFC_wait(hc);
/* tx silence */
- HFC_outb_nodebug(hc, A_FIFO_DATA0_NOINC, silence);
+ HFC_outb_nodebug(hc, A_FIFO_DATA0_NOINC, hc->silence);
HFC_outb(hc, R_SLOT, (((ch / 4) * 8) +
((ch % 4) * 4)) << 1);
HFC_outb(hc, A_SL_CFG, 0x80 | 0x20 | (ch << 1));
@@ -2969,7 +2968,7 @@ mode_hfcmulti(struct hfc_multi *hc, int ch, int protocol, int slot_tx,
HFC_outb(hc, R_INC_RES_FIFO, V_RES_F);
HFC_wait(hc);
/* tx silence */
- HFC_outb_nodebug(hc, A_FIFO_DATA0_NOINC, silence);
+ HFC_outb_nodebug(hc, A_FIFO_DATA0_NOINC, hc->silence);
/* enable RX fifo */
HFC_outb(hc, R_FIFO, (ch<<1)|1);
HFC_wait(hc);
@@ -3461,7 +3460,7 @@ channel_bctrl(struct bchannel *bch, struct mISDN_ctrl_req *cq)
switch (cq->op) {
case MISDN_CTRL_GETOP:
cq->op = MISDN_CTRL_HFC_OP | MISDN_CTRL_HW_FEATURES_OP
- | MISDN_CTRL_RX_OFF;
+ | MISDN_CTRL_RX_OFF | MISDN_CTRL_FILL_EMPTY;
break;
case MISDN_CTRL_RX_OFF: /* turn off / on rx stream */
hc->chan[bch->slot].rx_off = !!cq->p1;
@@ -3476,6 +3475,12 @@ channel_bctrl(struct bchannel *bch, struct mISDN_ctrl_req *cq)
printk(KERN_DEBUG "%s: RX_OFF request (nr=%d off=%d)\n",
__func__, bch->nr, hc->chan[bch->slot].rx_off);
break;
+ case MISDN_CTRL_FILL_EMPTY: /* fill fifo, if empty */
+ test_and_set_bit(FLG_FILLEMPTY, &bch->Flags);
+ if (debug & DEBUG_HFCMULTI_MSG)
+ printk(KERN_DEBUG "%s: FILL_EMPTY request (nr=%d "
+ "off=%d)\n", __func__, bch->nr, !!cq->p1);
+ break;
case MISDN_CTRL_HW_FEATURES: /* fill features structure */
if (debug & DEBUG_HFCMULTI_MSG)
printk(KERN_DEBUG "%s: HW_FEATURE request\n",
@@ -3992,6 +3997,7 @@ open_bchannel(struct hfc_multi *hc, struct dchannel *dch,
}
if (test_and_set_bit(FLG_OPEN, &bch->Flags))
return -EBUSY; /* b-channel can be only open once */
+ test_and_clear_bit(FLG_FILLEMPTY, &bch->Flags);
bch->ch.protocol = rq->protocol;
hc->chan[ch].rx_off = 0;
rq->ch = &bch->ch;
@@ -4081,6 +4087,15 @@ hfcm_dctrl(struct mISDNchannel *ch, u_int cmd, void *arg)
return err;
}
+static int
+clockctl(void *priv, int enable)
+{
+ struct hfc_multi *hc = priv;
+
+ hc->iclock_on = enable;
+ return 0;
+}
+
/*
* initialize the card
*/
@@ -4495,10 +4510,14 @@ release_card(struct hfc_multi *hc)
printk(KERN_WARNING "%s: release card (%d) entered\n",
__func__, hc->id);
+ /* unregister clock source */
+ if (hc->iclock)
+ mISDN_unregister_clock(hc->iclock);
+
+ /* disable irq */
spin_lock_irqsave(&hc->lock, flags);
disable_hwirq(hc);
spin_unlock_irqrestore(&hc->lock, flags);
-
udelay(1000);
/* dimm leds */
@@ -4699,7 +4718,7 @@ init_e1_port(struct hfc_multi *hc, struct hm_map *m)
} else
hc->chan[hc->dslot].jitter = 2; /* default */
snprintf(name, MISDN_MAX_IDLEN - 1, "hfc-e1.%d", HFC_cnt + 1);
- ret = mISDN_register_device(&dch->dev, name);
+ ret = mISDN_register_device(&dch->dev, &hc->pci_dev->dev, name);
if (ret)
goto free_chan;
hc->created[0] = 1;
@@ -4807,9 +4826,9 @@ init_multi_port(struct hfc_multi *hc, int pt)
test_and_set_bit(HFC_CFG_DIS_ECHANNEL,
&hc->chan[i + 2].cfg);
}
- snprintf(name, MISDN_MAX_IDLEN - 1, "hfc-%ds.%d/%d",
+ snprintf(name, MISDN_MAX_IDLEN - 1, "hfc-%ds.%d-%d",
hc->type, HFC_cnt + 1, pt + 1);
- ret = mISDN_register_device(&dch->dev, name);
+ ret = mISDN_register_device(&dch->dev, &hc->pci_dev->dev, name);
if (ret)
goto free_chan;
hc->created[pt] = 1;
@@ -4828,6 +4847,7 @@ hfcmulti_init(struct pci_dev *pdev, const struct pci_device_id *ent)
struct hfc_multi *hc;
u_long flags;
u_char dips = 0, pmj = 0; /* dip settings, port mode Jumpers */
+ int i;
if (HFC_cnt >= MAX_CARDS) {
printk(KERN_ERR "too many cards (max=%d).\n",
@@ -4861,11 +4881,11 @@ hfcmulti_init(struct pci_dev *pdev, const struct pci_device_id *ent)
hc->id = HFC_cnt;
hc->pcm = pcm[HFC_cnt];
hc->io_mode = iomode[HFC_cnt];
- if (dslot[HFC_cnt] < 0) {
+ if (dslot[HFC_cnt] < 0 && hc->type == 1) {
hc->dslot = 0;
printk(KERN_INFO "HFC-E1 card has disabled D-channel, but "
"31 B-channels\n");
- } if (dslot[HFC_cnt] > 0 && dslot[HFC_cnt] < 32) {
+ } if (dslot[HFC_cnt] > 0 && dslot[HFC_cnt] < 32 && hc->type == 1) {
hc->dslot = dslot[HFC_cnt];
printk(KERN_INFO "HFC-E1 card has alternating D-channel on "
"time slot %d\n", dslot[HFC_cnt]);
@@ -4876,9 +4896,17 @@ hfcmulti_init(struct pci_dev *pdev, const struct pci_device_id *ent)
hc->masterclk = -1;
if (type[HFC_cnt] & 0x100) {
test_and_set_bit(HFC_CHIP_ULAW, &hc->chip);
- silence = 0xff; /* ulaw silence */
+ hc->silence = 0xff; /* ulaw silence */
} else
- silence = 0x2a; /* alaw silence */
+ hc->silence = 0x2a; /* alaw silence */
+ if ((poll >> 1) > sizeof(hc->silence_data)) {
+ printk(KERN_ERR "HFCMULTI error: silence_data too small, "
+ "please fix\n");
+ return -EINVAL;
+ }
+ for (i = 0; i < (poll >> 1); i++)
+ hc->silence_data[i] = hc->silence;
+
if (!(type[HFC_cnt] & 0x200))
test_and_set_bit(HFC_CHIP_DTMF, &hc->chip);
@@ -4945,9 +4973,7 @@ hfcmulti_init(struct pci_dev *pdev, const struct pci_device_id *ent)
switch (m->dip_type) {
case DIP_4S:
/*
- * get DIP Setting for beroNet 1S/2S/4S cards
- * check if Port Jumper config matches
- * module param 'protocol'
+ * Get DIP setting for beroNet 1S/2S/4S cards
* DIP Setting: (collect GPIO 13/14/15 (R_GPIO_IN1) +
* GPI 19/23 (R_GPI_IN2))
*/
@@ -4966,9 +4992,8 @@ hfcmulti_init(struct pci_dev *pdev, const struct pci_device_id *ent)
break;
case DIP_8S:
/*
- * get DIP Setting for beroNet 8S0+ cards
- *
- * enable PCI auxbridge function
+ * Get DIP Setting for beroNet 8S0+ cards
+ * Enable PCI auxbridge function
*/
HFC_outb(hc, R_BRG_PCM_CFG, 1 | V_PCM_CLK);
/* prepare access to auxport */
@@ -5003,6 +5028,10 @@ hfcmulti_init(struct pci_dev *pdev, const struct pci_device_id *ent)
list_add_tail(&hc->list, &HFClist);
spin_unlock_irqrestore(&HFClock, flags);
+ /* use as clock source */
+ if (clock == HFC_cnt + 1)
+ hc->iclock = mISDN_register_clock("HFCMulti", 0, clockctl, hc);
+
/* initialize hardware */
ret_err = init_card(hc);
if (ret_err) {
@@ -5137,8 +5166,7 @@ static struct pci_device_id hfmultipci_ids[] __devinitdata = {
{ PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_HFC8S, PCI_VENDOR_ID_CCD,
PCI_DEVICE_ID_CCD_HFC8S, 0, 0, H(14)}, /* old Eval */
{ PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_HFC8S, PCI_VENDOR_ID_CCD,
- PCI_SUBDEVICE_ID_CCD_IOB8STR, 0, 0, H(15)},
- /* IOB8ST Recording */
+ PCI_SUBDEVICE_ID_CCD_IOB8STR, 0, 0, H(15)}, /* IOB8ST Recording */
{ PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_HFC8S, PCI_VENDOR_ID_CCD,
PCI_SUBDEVICE_ID_CCD_IOB8ST, 0, 0, H(16)}, /* IOB8ST */
{ PCI_VENDOR_ID_CCD, PCI_DEVICE_ID_CCD_HFC8S, PCI_VENDOR_ID_CCD,
@@ -5188,18 +5216,16 @@ hfcmulti_probe(struct pci_dev *pdev, const struct pci_device_id *ent)
struct hm_map *m = (struct hm_map *)ent->driver_data;
int ret;
- if (m == NULL) {
- if (ent->vendor == PCI_VENDOR_ID_CCD)
- if (ent->device == PCI_DEVICE_ID_CCD_HFC4S ||
- ent->device == PCI_DEVICE_ID_CCD_HFC8S ||
- ent->device == PCI_DEVICE_ID_CCD_HFCE1)
- printk(KERN_ERR
- "unknown HFC multiport controller "
- "(vendor:%x device:%x subvendor:%x "
- "subdevice:%x) Please contact the "
- "driver maintainer for support.\n",
- ent->vendor, ent->device,
- ent->subvendor, ent->subdevice);
+ if (m == NULL && ent->vendor == PCI_VENDOR_ID_CCD && (
+ ent->device == PCI_DEVICE_ID_CCD_HFC4S ||
+ ent->device == PCI_DEVICE_ID_CCD_HFC8S ||
+ ent->device == PCI_DEVICE_ID_CCD_HFCE1)) {
+ printk(KERN_ERR
+ "Unknown HFC multiport controller (vendor:%x device:%x "
+ "subvendor:%x subdevice:%x)\n", ent->vendor, ent->device,
+ ent->subvendor, ent->subdevice);
+ printk(KERN_ERR
+ "Please contact the driver maintainer for support.\n");
return -ENODEV;
}
ret = hfcmulti_init(pdev, ent);
@@ -5222,22 +5248,9 @@ HFCmulti_cleanup(void)
{
struct hfc_multi *card, *next;
- /* unload interrupt function symbol */
- if (hfc_interrupt)
- symbol_put(ztdummy_extern_interrupt);
- if (register_interrupt)
- symbol_put(ztdummy_register_interrupt);
- if (unregister_interrupt) {
- if (interrupt_registered) {
- interrupt_registered = 0;
- unregister_interrupt();
- }
- symbol_put(ztdummy_unregister_interrupt);
- }
-
+ /* get rid of all devices of this driver */
list_for_each_entry_safe(card, next, &HFClist, list)
release_card(card);
- /* get rid of all devices of this driver */
pci_unregister_driver(&hfcmultipci_driver);
}
@@ -5246,8 +5259,10 @@ HFCmulti_init(void)
{
int err;
+ printk(KERN_INFO "mISDN: HFC-multi driver %s\n", HFC_MULTI_VERSION);
+
#ifdef IRQ_DEBUG
- printk(KERN_ERR "%s: IRQ_DEBUG IS ENABLED!\n", __func__);
+ printk(KERN_DEBUG "%s: IRQ_DEBUG IS ENABLED!\n", __func__);
#endif
spin_lock_init(&HFClock);
@@ -5256,22 +5271,11 @@ HFCmulti_init(void)
if (debug & DEBUG_HFCMULTI_INIT)
printk(KERN_DEBUG "%s: init entered\n", __func__);
- hfc_interrupt = symbol_get(ztdummy_extern_interrupt);
- register_interrupt = symbol_get(ztdummy_register_interrupt);
- unregister_interrupt = symbol_get(ztdummy_unregister_interrupt);
- printk(KERN_INFO "mISDN: HFC-multi driver %s\n",
- hfcmulti_revision);
-
switch (poll) {
case 0:
poll_timer = 6;
poll = 128;
break;
- /*
- * wenn dieses break nochmal verschwindet,
- * gibt es heisse ohren :-)
- * "without the break you will get hot ears ???"
- */
case 8:
poll_timer = 2;
break;
@@ -5298,20 +5302,12 @@ HFCmulti_init(void)
}
+ if (!clock)
+ clock = 1;
+
err = pci_register_driver(&hfcmultipci_driver);
if (err < 0) {
printk(KERN_ERR "error registering pci driver: %x\n", err);
- if (hfc_interrupt)
- symbol_put(ztdummy_extern_interrupt);
- if (register_interrupt)
- symbol_put(ztdummy_register_interrupt);
- if (unregister_interrupt) {
- if (interrupt_registered) {
- interrupt_registered = 0;
- unregister_interrupt();
- }
- symbol_put(ztdummy_unregister_interrupt);
- }
return err;
}
return 0;
diff --git a/drivers/isdn/hardware/mISDN/hfcpci.c b/drivers/isdn/hardware/mISDN/hfcpci.c
index cd8302af40e..917bf41a293 100644
--- a/drivers/isdn/hardware/mISDN/hfcpci.c
+++ b/drivers/isdn/hardware/mISDN/hfcpci.c
@@ -23,6 +23,25 @@
* along with this program; if not, write to the Free Software
* Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*
+ * Module options:
+ *
+ * debug:
+ * NOTE: only one poll value must be given for all cards
+ * See hfc_pci.h for debug flags.
+ *
+ * poll:
+ * NOTE: only one poll value must be given for all cards
+ * Give the number of samples for each fifo process.
+ * By default 128 is used. Decrease to reduce delay, increase to
+ * reduce cpu load. If unsure, don't mess with it!
+ * A value of 128 will use controller's interrupt. Other values will
+ * use kernel timer, because the controller will not allow lower values
+ * than 128.
+ * Also note that the value depends on the kernel timer frequency.
+ * If kernel uses a frequency of 1000 Hz, steps of 8 samples are possible.
+ * If the kernel uses 100 Hz, steps of 80 samples are possible.
+ * If the kernel uses 300 Hz, steps of about 26 samples are possible.
+ *
*/
#include <linux/module.h>
@@ -34,16 +53,16 @@
static const char *hfcpci_revision = "2.0";
-#define MAX_CARDS 8
static int HFC_cnt;
static uint debug;
+static uint poll, tics;
+struct timer_list hfc_tl;
+u32 hfc_jiffies;
MODULE_AUTHOR("Karsten Keil");
MODULE_LICENSE("GPL");
module_param(debug, uint, 0);
-
-static LIST_HEAD(HFClist);
-static DEFINE_RWLOCK(HFClock);
+module_param(poll, uint, S_IRUGO | S_IWUSR);
enum {
HFC_CCD_2BD0,
@@ -114,7 +133,6 @@ struct hfcPCI_hw {
struct hfc_pci {
- struct list_head list;
u_char subtype;
u_char chanlimit;
u_char initdone;
@@ -520,9 +538,9 @@ receive_dmsg(struct hfc_pci *hc)
}
/*
- * check for transparent receive data and read max one threshold size if avail
+ * check for transparent receive data and read max one 'poll' size if avail
*/
-static int
+static void
hfcpci_empty_fifo_trans(struct bchannel *bch, struct bzfifo *bz, u_char *bdata)
{
__le16 *z1r, *z2r;
@@ -534,17 +552,19 @@ hfcpci_empty_fifo_trans(struct bchannel *bch, struct bzfifo *bz, u_char *bdata)
fcnt = le16_to_cpu(*z1r) - le16_to_cpu(*z2r);
if (!fcnt)
- return 0; /* no data avail */
+ return; /* no data avail */
if (fcnt <= 0)
fcnt += B_FIFO_SIZE; /* bytes actually buffered */
- if (fcnt > HFCPCI_BTRANS_THRESHOLD)
- fcnt = HFCPCI_BTRANS_THRESHOLD; /* limit size */
-
new_z2 = le16_to_cpu(*z2r) + fcnt; /* new position in fifo */
if (new_z2 >= (B_FIFO_SIZE + B_SUB_VAL))
new_z2 -= B_FIFO_SIZE; /* buffer wrap */
+ if (fcnt > MAX_DATA_SIZE) { /* flush, if oversized */
+ *z2r = cpu_to_le16(new_z2); /* new position */
+ return;
+ }
+
bch->rx_skb = mI_alloc_skb(fcnt, GFP_ATOMIC);
if (bch->rx_skb) {
ptr = skb_put(bch->rx_skb, fcnt);
@@ -569,7 +589,6 @@ hfcpci_empty_fifo_trans(struct bchannel *bch, struct bzfifo *bz, u_char *bdata)
printk(KERN_WARNING "HFCPCI: receive out of memory\n");
*z2r = cpu_to_le16(new_z2); /* new position */
- return 1;
}
/*
@@ -580,12 +599,11 @@ main_rec_hfcpci(struct bchannel *bch)
{
struct hfc_pci *hc = bch->hw;
int rcnt, real_fifo;
- int receive, count = 5;
+ int receive = 0, count = 5;
struct bzfifo *bz;
u_char *bdata;
struct zt *zp;
-
if ((bch->nr & 2) && (!hc->hw.bswapped)) {
bz = &((union fifo_area *)(hc->hw.fifos))->b_chans.rxbz_b2;
bdata = ((union fifo_area *)(hc->hw.fifos))->b_chans.rxdat_b2;
@@ -625,9 +643,10 @@ Begin:
receive = 1;
else
receive = 0;
- } else if (test_bit(FLG_TRANSPARENT, &bch->Flags))
- receive = hfcpci_empty_fifo_trans(bch, bz, bdata);
- else
+ } else if (test_bit(FLG_TRANSPARENT, &bch->Flags)) {
+ hfcpci_empty_fifo_trans(bch, bz, bdata);
+ return;
+ } else
receive = 0;
if (count && receive)
goto Begin;
@@ -751,11 +770,41 @@ hfcpci_fill_fifo(struct bchannel *bch)
/* fcnt contains available bytes in fifo */
fcnt = B_FIFO_SIZE - fcnt;
/* remaining bytes to send (bytes in fifo) */
+
+ /* "fill fifo if empty" feature */
+ if (test_bit(FLG_FILLEMPTY, &bch->Flags) && !fcnt) {
+ /* printk(KERN_DEBUG "%s: buffer empty, so we have "
+ "underrun\n", __func__); */
+ /* fill buffer, to prevent future underrun */
+ count = HFCPCI_FILLEMPTY;
+ new_z1 = le16_to_cpu(*z1t) + count;
+ /* new buffer Position */
+ if (new_z1 >= (B_FIFO_SIZE + B_SUB_VAL))
+ new_z1 -= B_FIFO_SIZE; /* buffer wrap */
+ dst = bdata + (le16_to_cpu(*z1t) - B_SUB_VAL);
+ maxlen = (B_FIFO_SIZE + B_SUB_VAL) - le16_to_cpu(*z1t);
+ /* end of fifo */
+ if (bch->debug & DEBUG_HW_BFIFO)
+ printk(KERN_DEBUG "hfcpci_FFt fillempty "
+ "fcnt(%d) maxl(%d) nz1(%x) dst(%p)\n",
+ fcnt, maxlen, new_z1, dst);
+ fcnt += count;
+ if (maxlen > count)
+ maxlen = count; /* limit size */
+ memset(dst, 0x2a, maxlen); /* first copy */
+ count -= maxlen; /* remaining bytes */
+ if (count) {
+ dst = bdata; /* start of buffer */
+ memset(dst, 0x2a, count);
+ }
+ *z1t = cpu_to_le16(new_z1); /* now send data */
+ }
+
next_t_frame:
count = bch->tx_skb->len - bch->tx_idx;
- /* maximum fill shall be HFCPCI_BTRANS_MAX */
- if (count > HFCPCI_BTRANS_MAX - fcnt)
- count = HFCPCI_BTRANS_MAX - fcnt;
+ /* maximum fill shall be poll*2 */
+ if (count > (poll << 1) - fcnt)
+ count = (poll << 1) - fcnt;
if (count <= 0)
return;
/* data is suitable for fifo */
@@ -1135,37 +1184,37 @@ hfcpci_int(int intno, void *dev_id)
val &= ~0x80;
Write_hfc(hc, HFCPCI_CTMT, hc->hw.ctmt | HFCPCI_CLTIMER);
}
- if (val & 0x08) {
+ if (val & 0x08) { /* B1 rx */
bch = Sel_BCS(hc, hc->hw.bswapped ? 2 : 1);
if (bch)
main_rec_hfcpci(bch);
else if (hc->dch.debug)
printk(KERN_DEBUG "hfcpci spurious 0x08 IRQ\n");
}
- if (val & 0x10) {
+ if (val & 0x10) { /* B2 rx */
bch = Sel_BCS(hc, 2);
if (bch)
main_rec_hfcpci(bch);
else if (hc->dch.debug)
printk(KERN_DEBUG "hfcpci spurious 0x10 IRQ\n");
}
- if (val & 0x01) {
+ if (val & 0x01) { /* B1 tx */
bch = Sel_BCS(hc, hc->hw.bswapped ? 2 : 1);
if (bch)
tx_birq(bch);
else if (hc->dch.debug)
printk(KERN_DEBUG "hfcpci spurious 0x01 IRQ\n");
}
- if (val & 0x02) {
+ if (val & 0x02) { /* B2 tx */
bch = Sel_BCS(hc, 2);
if (bch)
tx_birq(bch);
else if (hc->dch.debug)
printk(KERN_DEBUG "hfcpci spurious 0x02 IRQ\n");
}
- if (val & 0x20)
+ if (val & 0x20) /* D rx */
receive_dmsg(hc);
- if (val & 0x04) { /* dframe transmitted */
+ if (val & 0x04) { /* D tx */
if (test_and_clear_bit(FLG_BUSY_TIMER, &hc->dch.Flags))
del_timer(&hc->dch.timer);
tx_dirq(&hc->dch);
@@ -1283,14 +1332,16 @@ mode_hfcpci(struct bchannel *bch, int bc, int protocol)
}
if (fifo2 & 2) {
hc->hw.fifo_en |= HFCPCI_FIFOEN_B2;
- hc->hw.int_m1 |= (HFCPCI_INTS_B2TRANS +
- HFCPCI_INTS_B2REC);
+ if (!tics)
+ hc->hw.int_m1 |= (HFCPCI_INTS_B2TRANS +
+ HFCPCI_INTS_B2REC);
hc->hw.ctmt |= 2;
hc->hw.conn &= ~0x18;
} else {
hc->hw.fifo_en |= HFCPCI_FIFOEN_B1;
- hc->hw.int_m1 |= (HFCPCI_INTS_B1TRANS +
- HFCPCI_INTS_B1REC);
+ if (!tics)
+ hc->hw.int_m1 |= (HFCPCI_INTS_B1TRANS +
+ HFCPCI_INTS_B1REC);
hc->hw.ctmt |= 1;
hc->hw.conn &= ~0x03;
}
@@ -1398,7 +1449,8 @@ set_hfcpci_rxtest(struct bchannel *bch, int protocol, int chan)
if (chan & 2) {
hc->hw.sctrl_r |= SCTRL_B2_ENA;
hc->hw.fifo_en |= HFCPCI_FIFOEN_B2RX;
- hc->hw.int_m1 |= HFCPCI_INTS_B2REC;
+ if (!tics)
+ hc->hw.int_m1 |= HFCPCI_INTS_B2REC;
hc->hw.ctmt |= 2;
hc->hw.conn &= ~0x18;
#ifdef REVERSE_BITORDER
@@ -1407,7 +1459,8 @@ set_hfcpci_rxtest(struct bchannel *bch, int protocol, int chan)
} else {
hc->hw.sctrl_r |= SCTRL_B1_ENA;
hc->hw.fifo_en |= HFCPCI_FIFOEN_B1RX;
- hc->hw.int_m1 |= HFCPCI_INTS_B1REC;
+ if (!tics)
+ hc->hw.int_m1 |= HFCPCI_INTS_B1REC;
hc->hw.ctmt |= 1;
hc->hw.conn &= ~0x03;
#ifdef REVERSE_BITORDER
@@ -1481,11 +1534,17 @@ deactivate_bchannel(struct bchannel *bch)
static int
channel_bctrl(struct bchannel *bch, struct mISDN_ctrl_req *cq)
{
- int ret = 0;
+ int ret = 0;
switch (cq->op) {
case MISDN_CTRL_GETOP:
- cq->op = 0;
+ cq->op = MISDN_CTRL_FILL_EMPTY;
+ break;
+ case MISDN_CTRL_FILL_EMPTY: /* fill fifo, if empty */
+ test_and_set_bit(FLG_FILLEMPTY, &bch->Flags);
+ if (debug & DEBUG_HW_OPEN)
+ printk(KERN_DEBUG "%s: FILL_EMPTY request (nr=%d "
+ "off=%d)\n", __func__, bch->nr, !!cq->p1);
break;
default:
printk(KERN_WARNING "%s: unknown Op %x\n", __func__, cq->op);
@@ -1859,6 +1918,10 @@ open_dchannel(struct hfc_pci *hc, struct mISDNchannel *ch,
hc->dch.dev.id, __builtin_return_address(0));
if (rq->protocol == ISDN_P_NONE)
return -EINVAL;
+ if (rq->adr.channel == 1) {
+ /* TODO: E-Channel */
+ return -EINVAL;
+ }
if (!hc->initdone) {
if (rq->protocol == ISDN_P_TE_S0) {
err = create_l1(&hc->dch, hfc_l1callback);
@@ -1874,6 +1937,11 @@ open_dchannel(struct hfc_pci *hc, struct mISDNchannel *ch,
if (rq->protocol != ch->protocol) {
if (hc->hw.protocol == ISDN_P_TE_S0)
l1_event(hc->dch.l1, CLOSE_CHANNEL);
+ if (rq->protocol == ISDN_P_TE_S0) {
+ err = create_l1(&hc->dch, hfc_l1callback);
+ if (err)
+ return err;
+ }
hc->hw.protocol = rq->protocol;
ch->protocol = rq->protocol;
hfcpci_setmode(hc);
@@ -1903,6 +1971,7 @@ open_bchannel(struct hfc_pci *hc, struct channel_req *rq)
bch = &hc->bch[rq->adr.channel - 1];
if (test_and_set_bit(FLG_OPEN, &bch->Flags))
return -EBUSY; /* b-channel can be only open once */
+ test_and_clear_bit(FLG_FILLEMPTY, &bch->Flags);
bch->ch.protocol = rq->protocol;
rq->ch = &bch->ch; /* TODO: E-channel */
if (!try_module_get(THIS_MODULE))
@@ -1928,7 +1997,8 @@ hfc_dctrl(struct mISDNchannel *ch, u_int cmd, void *arg)
switch (cmd) {
case OPEN_CHANNEL:
rq = arg;
- if (rq->adr.channel == 0)
+ if ((rq->protocol == ISDN_P_TE_S0) ||
+ (rq->protocol == ISDN_P_NT_S0))
err = open_dchannel(hc, ch, rq);
else
err = open_bchannel(hc, rq);
@@ -2027,7 +2097,6 @@ release_card(struct hfc_pci *hc) {
mISDN_freebchannel(&hc->bch[1]);
mISDN_freebchannel(&hc->bch[0]);
mISDN_freedchannel(&hc->dch);
- list_del(&hc->list);
pci_set_drvdata(hc->pdev, NULL);
kfree(hc);
}
@@ -2037,12 +2106,8 @@ setup_card(struct hfc_pci *card)
{
int err = -EINVAL;
u_int i;
- u_long flags;
char name[MISDN_MAX_IDLEN];
- if (HFC_cnt >= MAX_CARDS)
- return -EINVAL; /* maybe better value */
-
card->dch.debug = debug;
spin_lock_init(&card->lock);
mISDN_initdchannel(&card->dch, MAX_DFRAME_LEN_L1, ph_state);
@@ -2068,13 +2133,10 @@ setup_card(struct hfc_pci *card)
if (err)
goto error;
snprintf(name, MISDN_MAX_IDLEN - 1, "hfc-pci.%d", HFC_cnt + 1);
- err = mISDN_register_device(&card->dch.dev, name);
+ err = mISDN_register_device(&card->dch.dev, &card->pdev->dev, name);
if (err)
goto error;
HFC_cnt++;
- write_lock_irqsave(&HFClock, flags);
- list_add_tail(&card->list, &HFClist);
- write_unlock_irqrestore(&HFClock, flags);
printk(KERN_INFO "HFC %d cards installed\n", HFC_cnt);
return 0;
error:
@@ -2210,15 +2272,12 @@ static void __devexit
hfc_remove_pci(struct pci_dev *pdev)
{
struct hfc_pci *card = pci_get_drvdata(pdev);
- u_long flags;
- if (card) {
- write_lock_irqsave(&HFClock, flags);
+ if (card)
release_card(card);
- write_unlock_irqrestore(&HFClock, flags);
- } else
+ else
if (debug)
- printk(KERN_WARNING "%s: drvdata allready removed\n",
+ printk(KERN_WARNING "%s: drvdata already removed\n",
__func__);
}
@@ -2230,25 +2289,97 @@ static struct pci_driver hfc_driver = {
.id_table = hfc_ids,
};
+static int
+_hfcpci_softirq(struct device *dev, void *arg)
+{
+ struct hfc_pci *hc = dev_get_drvdata(dev);
+ struct bchannel *bch;
+ if (hc == NULL)
+ return 0;
+
+ if (hc->hw.int_m2 & HFCPCI_IRQ_ENABLE) {
+ spin_lock(&hc->lock);
+ bch = Sel_BCS(hc, hc->hw.bswapped ? 2 : 1);
+ if (bch && bch->state == ISDN_P_B_RAW) { /* B1 rx&tx */
+ main_rec_hfcpci(bch);
+ tx_birq(bch);
+ }
+ bch = Sel_BCS(hc, hc->hw.bswapped ? 1 : 2);
+ if (bch && bch->state == ISDN_P_B_RAW) { /* B2 rx&tx */
+ main_rec_hfcpci(bch);
+ tx_birq(bch);
+ }
+ spin_unlock(&hc->lock);
+ }
+ return 0;
+}
+
+static void
+hfcpci_softirq(void *arg)
+{
+ (void) driver_for_each_device(&hfc_driver.driver, NULL, arg,
+ _hfcpci_softirq);
+
+ /* if next event would be in the past ... */
+ if ((s32)(hfc_jiffies + tics - jiffies) <= 0)
+ hfc_jiffies = jiffies + 1;
+ else
+ hfc_jiffies += tics;
+ hfc_tl.expires = hfc_jiffies;
+ add_timer(&hfc_tl);
+}
+
static int __init
HFC_init(void)
{
int err;
+ if (!poll)
+ poll = HFCPCI_BTRANS_THRESHOLD;
+
+ if (poll != HFCPCI_BTRANS_THRESHOLD) {
+ tics = (poll * HZ) / 8000;
+ if (tics < 1)
+ tics = 1;
+ poll = (tics * 8000) / HZ;
+ if (poll > 256 || poll < 8) {
+ printk(KERN_ERR "%s: Wrong poll value %d not in range "
+ "of 8..256.\n", __func__, poll);
+ err = -EINVAL;
+ return err;
+ }
+ }
+ if (poll != HFCPCI_BTRANS_THRESHOLD) {
+ printk(KERN_INFO "%s: Using alternative poll value of %d\n",
+ __func__, poll);
+ hfc_tl.function = (void *)hfcpci_softirq;
+ hfc_tl.data = 0;
+ init_timer(&hfc_tl);
+ hfc_tl.expires = jiffies + tics;
+ hfc_jiffies = hfc_tl.expires;
+ add_timer(&hfc_tl);
+ } else
+ tics = 0; /* indicate the use of controller's timer */
+
err = pci_register_driver(&hfc_driver);
+ if (err) {
+ if (timer_pending(&hfc_tl))
+ del_timer(&hfc_tl);
+ }
+
return err;
}
static void __exit
HFC_cleanup(void)
{
- struct hfc_pci *card, *next;
+ if (timer_pending(&hfc_tl))
+ del_timer(&hfc_tl);
- list_for_each_entry_safe(card, next, &HFClist, list) {
- release_card(card);
- }
pci_unregister_driver(&hfc_driver);
}
module_init(HFC_init);
module_exit(HFC_cleanup);
+
+MODULE_DEVICE_TABLE(pci, hfc_ids);
diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.c b/drivers/isdn/hardware/mISDN/hfcsusb.c
new file mode 100644
index 00000000000..ba6925fbf38
--- /dev/null
+++ b/drivers/isdn/hardware/mISDN/hfcsusb.c
@@ -0,0 +1,2196 @@
+/* hfcsusb.c
+ * mISDN driver for Colognechip HFC-S USB chip
+ *
+ * Copyright 2001 by Peter Sprenger (sprenger@moving-bytes.de)
+ * Copyright 2008 by Martin Bachem (info@bachem-it.com)
+ *
+ * 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, 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; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ *
+ *
+ * module params
+ * debug=<n>, default=0, with n=0xHHHHGGGG
+ * H - l1 driver flags described in hfcsusb.h
+ * G - common mISDN debug flags described at mISDNhw.h
+ *
+ * poll=<n>, default 128
+ * n : burst size of PH_DATA_IND at transparent rx data
+ *
+ */
+
+#include <linux/module.h>
+#include <linux/delay.h>
+#include <linux/usb.h>
+#include <linux/mISDNhw.h>
+#include "hfcsusb.h"
+
+const char *hfcsusb_rev = "Revision: 0.3.3 (socket), 2008-11-05";
+
+static unsigned int debug;
+static int poll = DEFAULT_TRANSP_BURST_SZ;
+
+static LIST_HEAD(HFClist);
+static DEFINE_RWLOCK(HFClock);
+
+
+MODULE_AUTHOR("Martin Bachem");
+MODULE_LICENSE("GPL");
+module_param(debug, uint, S_IRUGO | S_IWUSR);
+module_param(poll, int, 0);
+
+static int hfcsusb_cnt;
+
+/* some function prototypes */
+static void hfcsusb_ph_command(struct hfcsusb *hw, u_char command);
+static void release_hw(struct hfcsusb *hw);
+static void reset_hfcsusb(struct hfcsusb *hw);
+static void setPortMode(struct hfcsusb *hw);
+static void hfcsusb_start_endpoint(struct hfcsusb *hw, int channel);
+static void hfcsusb_stop_endpoint(struct hfcsusb *hw, int channel);
+static int hfcsusb_setup_bch(struct bchannel *bch, int protocol);
+static void deactivate_bchannel(struct bchannel *bch);
+static void hfcsusb_ph_info(struct hfcsusb *hw);
+
+/* start next background transfer for control channel */
+static void
+ctrl_start_transfer(struct hfcsusb *hw)
+{
+ if (debug & DBG_HFC_CALL_TRACE)
+ printk(KERN_DEBUG "%s: %s\n", hw->name, __func__);
+
+ if (hw->ctrl_cnt) {
+ hw->ctrl_urb->pipe = hw->ctrl_out_pipe;
+ hw->ctrl_urb->setup_packet = (u_char *)&hw->ctrl_write;
+ hw->ctrl_urb->transfer_buffer = NULL;
+ hw->ctrl_urb->transfer_buffer_length = 0;
+ hw->ctrl_write.wIndex =
+ cpu_to_le16(hw->ctrl_buff[hw->ctrl_out_idx].hfcs_reg);
+ hw->ctrl_write.wValue =
+ cpu_to_le16(hw->ctrl_buff[hw->ctrl_out_idx].reg_val);
+
+ usb_submit_urb(hw->ctrl_urb, GFP_ATOMIC);
+ }
+}
+
+/*
+ * queue a control transfer request to write HFC-S USB
+ * chip register using CTRL resuest queue
+ */
+static int write_reg(struct hfcsusb *hw, __u8 reg, __u8 val)
+{
+ struct ctrl_buf *buf;
+
+ if (debug & DBG_HFC_CALL_TRACE)
+ printk(KERN_DEBUG "%s: %s reg(0x%02x) val(0x%02x)\n",
+ hw->name, __func__, reg, val);
+
+ spin_lock(&hw->ctrl_lock);
+ if (hw->ctrl_cnt >= HFC_CTRL_BUFSIZE)
+ return 1;
+ buf = &hw->ctrl_buff[hw->ctrl_in_idx];
+ buf->hfcs_reg = reg;
+ buf->reg_val = val;
+ if (++hw->ctrl_in_idx >= HFC_CTRL_BUFSIZE)
+ hw->ctrl_in_idx = 0;
+ if (++hw->ctrl_cnt == 1)
+ ctrl_start_transfer(hw);
+ spin_unlock(&hw->ctrl_lock);
+
+ return 0;
+}
+
+/* control completion routine handling background control cmds */
+static void
+ctrl_complete(struct urb *urb)
+{
+ struct hfcsusb *hw = (struct hfcsusb *) urb->context;
+ struct ctrl_buf *buf;
+
+ if (debug & DBG_HFC_CALL_TRACE)
+ printk(KERN_DEBUG "%s: %s\n", hw->name, __func__);
+
+ urb->dev = hw->dev;
+ if (hw->ctrl_cnt) {
+ buf = &hw->ctrl_buff[hw->ctrl_out_idx];
+ hw->ctrl_cnt--; /* decrement actual count */
+ if (++hw->ctrl_out_idx >= HFC_CTRL_BUFSIZE)
+ hw->ctrl_out_idx = 0; /* pointer wrap */
+
+ ctrl_start_transfer(hw); /* start next transfer */
+ }
+}
+
+/* handle LED bits */
+static void
+set_led_bit(struct hfcsusb *hw, signed short led_bits, int set_on)
+{
+ if (set_on) {
+ if (led_bits < 0)
+ hw->led_state &= ~abs(led_bits);
+ else
+ hw->led_state |= led_bits;
+ } else {
+ if (led_bits < 0)
+ hw->led_state |= abs(led_bits);
+ else
+ hw->led_state &= ~led_bits;
+ }
+}
+
+/* handle LED requests */
+static void
+handle_led(struct hfcsusb *hw, int event)
+{
+ struct hfcsusb_vdata *driver_info = (struct hfcsusb_vdata *)
+ hfcsusb_idtab[hw->vend_idx].driver_info;
+ __u8 tmpled;
+
+ if (driver_info->led_scheme == LED_OFF)
+ return;
+ tmpled = hw->led_state;
+
+ switch (event) {
+ case LED_POWER_ON:
+ set_led_bit(hw, driver_info->led_bits[0], 1);
+ set_led_bit(hw, driver_info->led_bits[1], 0);
+ set_led_bit(hw, driver_info->led_bits[2], 0);
+ set_led_bit(hw, driver_info->led_bits[3], 0);
+ break;
+ case LED_POWER_OFF:
+ set_led_bit(hw, driver_info->led_bits[0], 0);
+ set_led_bit(hw, driver_info->led_bits[1], 0);
+ set_led_bit(hw, driver_info->led_bits[2], 0);
+ set_led_bit(hw, driver_info->led_bits[3], 0);
+ break;
+ case LED_S0_ON:
+ set_led_bit(hw, driver_info->led_bits[1], 1);
+ break;
+ case LED_S0_OFF:
+ set_led_bit(hw, driver_info->led_bits[1], 0);
+ break;
+ case LED_B1_ON:
+ set_led_bit(hw, driver_info->led_bits[2], 1);
+ break;
+ case LED_B1_OFF:
+ set_led_bit(hw, driver_info->led_bits[2], 0);
+ break;
+ case LED_B2_ON:
+ set_led_bit(hw, driver_info->led_bits[3], 1);
+ break;
+ case LED_B2_OFF:
+ set_led_bit(hw, driver_info->led_bits[3], 0);
+ break;
+ }
+
+ if (hw->led_state != tmpled) {
+ if (debug & DBG_HFC_CALL_TRACE)
+ printk(KERN_DEBUG "%s: %s reg(0x%02x) val(x%02x)\n",
+ hw->name, __func__,
+ HFCUSB_P_DATA, hw->led_state);
+
+ write_reg(hw, HFCUSB_P_DATA, hw->led_state);
+ }
+}
+
+/*
+ * Layer2 -> Layer 1 Bchannel data
+ */
+static int
+hfcusb_l2l1B(struct mISDNchannel *ch, struct sk_buff *skb)
+{
+ struct bchannel *bch = container_of(ch, struct bchannel, ch);
+ struct hfcsusb *hw = bch->hw;
+ int ret = -EINVAL;
+ struct mISDNhead *hh = mISDN_HEAD_P(skb);
+ u_long flags;
+
+ if (debug & DBG_HFC_CALL_TRACE)
+ printk(KERN_DEBUG "%s: %s\n", hw->name, __func__);
+
+ switch (hh->prim) {
+ case PH_DATA_REQ:
+ spin_lock_irqsave(&hw->lock, flags);
+ ret = bchannel_senddata(bch, skb);
+ spin_unlock_irqrestore(&hw->lock, flags);
+ if (debug & DBG_HFC_CALL_TRACE)
+ printk(KERN_DEBUG "%s: %s PH_DATA_REQ ret(%i)\n",
+ hw->name, __func__, ret);
+ if (ret > 0) {
+ /*
+ * other l1 drivers don't send early confirms on
+ * transp data, but hfcsusb does because tx_next
+ * skb is needed in tx_iso_complete()
+ */
+ queue_ch_frame(ch, PH_DATA_CNF, hh->id, NULL);
+ ret = 0;
+ }
+ return ret;
+ case PH_ACTIVATE_REQ:
+ if (!test_and_set_bit(FLG_ACTIVE, &bch->Flags)) {
+ hfcsusb_start_endpoint(hw, bch->nr);
+ ret = hfcsusb_setup_bch(bch, ch->protocol);
+ } else
+ ret = 0;
+ if (!ret)
+ _queue_data(ch, PH_ACTIVATE_IND, MISDN_ID_ANY,
+ 0, NULL, GFP_KERNEL);
+ break;
+ case PH_DEACTIVATE_REQ:
+ deactivate_bchannel(bch);
+ _queue_data(ch, PH_DEACTIVATE_IND, MISDN_ID_ANY,
+ 0, NULL, GFP_KERNEL);
+ ret = 0;
+ break;
+ }
+ if (!ret)
+ dev_kfree_skb(skb);
+ return ret;
+}
+
+/*
+ * send full D/B channel status information
+ * as MPH_INFORMATION_IND
+ */
+static void
+hfcsusb_ph_info(struct hfcsusb *hw)
+{
+ struct ph_info *phi;
+ struct dchannel *dch = &hw->dch;
+ int i;
+
+ phi = kzalloc(sizeof(struct ph_info) +
+ dch->dev.nrbchan * sizeof(struct ph_info_ch), GFP_ATOMIC);
+ phi->dch.ch.protocol = hw->protocol;
+ phi->dch.ch.Flags = dch->Flags;
+ phi->dch.state = dch->state;
+ phi->dch.num_bch = dch->dev.nrbchan;
+ for (i = 0; i < dch->dev.nrbchan; i++) {
+ phi->bch[i].protocol = hw->bch[i].ch.protocol;
+ phi->bch[i].Flags = hw->bch[i].Flags;
+ }
+ _queue_data(&dch->dev.D, MPH_INFORMATION_IND, MISDN_ID_ANY,
+ sizeof(struct ph_info_dch) + dch->dev.nrbchan *
+ sizeof(struct ph_info_ch), phi, GFP_ATOMIC);
+}
+
+/*
+ * Layer2 -> Layer 1 Dchannel data
+ */
+static int
+hfcusb_l2l1D(struct mISDNchannel *ch, struct sk_buff *skb)
+{
+ struct mISDNdevice *dev = container_of(ch, struct mISDNdevice, D);
+ struct dchannel *dch = container_of(dev, struct dchannel, dev);
+ struct mISDNhead *hh = mISDN_HEAD_P(skb);
+ struct hfcsusb *hw = dch->hw;
+ int ret = -EINVAL;
+ u_long flags;
+
+ switch (hh->prim) {
+ case PH_DATA_REQ:
+ if (debug & DBG_HFC_CALL_TRACE)
+ printk(KERN_DEBUG "%s: %s: PH_DATA_REQ\n",
+ hw->name, __func__);
+
+ spin_lock_irqsave(&hw->lock, flags);
+ ret = dchannel_senddata(dch, skb);
+ spin_unlock_irqrestore(&hw->lock, flags);
+ if (ret > 0) {
+ ret = 0;
+ queue_ch_frame(ch, PH_DATA_CNF, hh->id, NULL);
+ }
+ break;
+
+ case PH_ACTIVATE_REQ:
+ if (debug & DBG_HFC_CALL_TRACE)
+ printk(KERN_DEBUG "%s: %s: PH_ACTIVATE_REQ %s\n",
+ hw->name, __func__,
+ (hw->protocol == ISDN_P_NT_S0) ? "NT" : "TE");
+
+ if (hw->protocol == ISDN_P_NT_S0) {
+ ret = 0;
+ if (test_bit(FLG_ACTIVE, &dch->Flags)) {
+ _queue_data(&dch->dev.D,
+ PH_ACTIVATE_IND, MISDN_ID_ANY, 0,
+ NULL, GFP_ATOMIC);
+ } else {
+ hfcsusb_ph_command(hw,
+ HFC_L1_ACTIVATE_NT);
+ test_and_set_bit(FLG_L2_ACTIVATED,
+ &dch->Flags);
+ }
+ } else {
+ hfcsusb_ph_command(hw, HFC_L1_ACTIVATE_TE);
+ ret = l1_event(dch->l1, hh->prim);
+ }
+ break;
+
+ case PH_DEACTIVATE_REQ:
+ if (debug & DBG_HFC_CALL_TRACE)
+ printk(KERN_DEBUG "%s: %s: PH_DEACTIVATE_REQ\n",
+ hw->name, __func__);
+ test_and_clear_bit(FLG_L2_ACTIVATED, &dch->Flags);
+
+ if (hw->protocol == ISDN_P_NT_S0) {
+ hfcsusb_ph_command(hw, HFC_L1_DEACTIVATE_NT);
+ spin_lock_irqsave(&hw->lock, flags);
+ skb_queue_purge(&dch->squeue);
+ if (dch->tx_skb) {
+ dev_kfree_skb(dch->tx_skb);
+ dch->tx_skb = NULL;
+ }
+ dch->tx_idx = 0;
+ if (dch->rx_skb) {
+ dev_kfree_skb(dch->rx_skb);
+ dch->rx_skb = NULL;
+ }
+ test_and_clear_bit(FLG_TX_BUSY, &dch->Flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
+#ifdef FIXME
+ if (test_and_clear_bit(FLG_L1_BUSY, &dch->Flags))
+ dchannel_sched_event(&hc->dch, D_CLEARBUSY);
+#endif
+ ret = 0;
+ } else
+ ret = l1_event(dch->l1, hh->prim);
+ break;
+ case MPH_INFORMATION_REQ:
+ hfcsusb_ph_info(hw);
+ ret = 0;
+ break;
+ }
+
+ return ret;
+}
+
+/*
+ * Layer 1 callback function
+ */
+static int
+hfc_l1callback(struct dchannel *dch, u_int cmd)
+{
+ struct hfcsusb *hw = dch->hw;
+
+ if (debug & DBG_HFC_CALL_TRACE)
+ printk(KERN_DEBUG "%s: %s cmd 0x%x\n",
+ hw->name, __func__, cmd);
+
+ switch (cmd) {
+ case INFO3_P8:
+ case INFO3_P10:
+ case HW_RESET_REQ:
+ case HW_POWERUP_REQ:
+ break;
+
+ case HW_DEACT_REQ:
+ skb_queue_purge(&dch->squeue);
+ if (dch->tx_skb) {
+ dev_kfree_skb(dch->tx_skb);
+ dch->tx_skb = NULL;
+ }
+ dch->tx_idx = 0;
+ if (dch->rx_skb) {
+ dev_kfree_skb(dch->rx_skb);
+ dch->rx_skb = NULL;
+ }
+ test_and_clear_bit(FLG_TX_BUSY, &dch->Flags);
+ break;
+ case PH_ACTIVATE_IND:
+ test_and_set_bit(FLG_ACTIVE, &dch->Flags);
+ _queue_data(&dch->dev.D, cmd, MISDN_ID_ANY, 0, NULL,
+ GFP_ATOMIC);
+ break;
+ case PH_DEACTIVATE_IND:
+ test_and_clear_bit(FLG_ACTIVE, &dch->Flags);
+ _queue_data(&dch->dev.D, cmd, MISDN_ID_ANY, 0, NULL,
+ GFP_ATOMIC);
+ break;
+ default:
+ if (dch->debug & DEBUG_HW)
+ printk(KERN_DEBUG "%s: %s: unknown cmd %x\n",
+ hw->name, __func__, cmd);
+ return -1;
+ }
+ hfcsusb_ph_info(hw);
+ return 0;
+}
+
+static int
+open_dchannel(struct hfcsusb *hw, struct mISDNchannel *ch,
+ struct channel_req *rq)
+{
+ int err = 0;
+
+ if (debug & DEBUG_HW_OPEN)
+ printk(KERN_DEBUG "%s: %s: dev(%d) open addr(%i) from %p\n",
+ hw->name, __func__, hw->dch.dev.id, rq->adr.channel,
+ __builtin_return_address(0));
+ if (rq->protocol == ISDN_P_NONE)
+ return -EINVAL;
+
+ test_and_clear_bit(FLG_ACTIVE, &hw->dch.Flags);
+ test_and_clear_bit(FLG_ACTIVE, &hw->ech.Flags);
+ hfcsusb_start_endpoint(hw, HFC_CHAN_D);
+
+ /* E-Channel logging */
+ if (rq->adr.channel == 1) {
+ if (hw->fifos[HFCUSB_PCM_RX].pipe) {
+ hfcsusb_start_endpoint(hw, HFC_CHAN_E);
+ set_bit(FLG_ACTIVE, &hw->ech.Flags);
+ _queue_data(&hw->ech.dev.D, PH_ACTIVATE_IND,
+ MISDN_ID_ANY, 0, NULL, GFP_ATOMIC);
+ } else
+ return -EINVAL;
+ }
+
+ if (!hw->initdone) {
+ hw->protocol = rq->protocol;
+ if (rq->protocol == ISDN_P_TE_S0) {
+ err = create_l1(&hw->dch, hfc_l1callback);
+ if (err)
+ return err;
+ }
+ setPortMode(hw);
+ ch->protocol = rq->protocol;
+ hw->initdone = 1;
+ } else {
+ if (rq->protocol != ch->protocol)
+ return -EPROTONOSUPPORT;
+ }
+
+ if (((ch->protocol == ISDN_P_NT_S0) && (hw->dch.state == 3)) ||
+ ((ch->protocol == ISDN_P_TE_S0) && (hw->dch.state == 7)))
+ _queue_data(ch, PH_ACTIVATE_IND, MISDN_ID_ANY,
+ 0, NULL, GFP_KERNEL);
+ rq->ch = ch;
+ if (!try_module_get(THIS_MODULE))
+ printk(KERN_WARNING "%s: %s: cannot get module\n",
+ hw->name, __func__);
+ return 0;
+}
+
+static int
+open_bchannel(struct hfcsusb *hw, struct channel_req *rq)
+{
+ struct bchannel *bch;
+
+ if (rq->adr.channel > 2)
+ return -EINVAL;
+ if (rq->protocol == ISDN_P_NONE)
+ return -EINVAL;
+
+ if (debug & DBG_HFC_CALL_TRACE)
+ printk(KERN_DEBUG "%s: %s B%i\n",
+ hw->name, __func__, rq->adr.channel);
+
+ bch = &hw->bch[rq->adr.channel - 1];
+ if (test_and_set_bit(FLG_OPEN, &bch->Flags))
+ return -EBUSY; /* b-channel can be only open once */
+ test_and_clear_bit(FLG_FILLEMPTY, &bch->Flags);
+ bch->ch.protocol = rq->protocol;
+ rq->ch = &bch->ch;
+
+ /* start USB endpoint for bchannel */
+ if (rq->adr.channel == 1)
+ hfcsusb_start_endpoint(hw, HFC_CHAN_B1);
+ else
+ hfcsusb_start_endpoint(hw, HFC_CHAN_B2);
+
+ if (!try_module_get(THIS_MODULE))
+ printk(KERN_WARNING "%s: %s:cannot get module\n",
+ hw->name, __func__);
+ return 0;
+}
+
+static int
+channel_ctrl(struct hfcsusb *hw, struct mISDN_ctrl_req *cq)
+{
+ int ret = 0;
+
+ if (debug & DBG_HFC_CALL_TRACE)
+ printk(KERN_DEBUG "%s: %s op(0x%x) channel(0x%x)\n",
+ hw->name, __func__, (cq->op), (cq->channel));
+
+ switch (cq->op) {
+ case MISDN_CTRL_GETOP:
+ cq->op = MISDN_CTRL_LOOP | MISDN_CTRL_CONNECT |
+ MISDN_CTRL_DISCONNECT;
+ break;
+ default:
+ printk(KERN_WARNING "%s: %s: unknown Op %x\n",
+ hw->name, __func__, cq->op);
+ ret = -EINVAL;
+ break;
+ }
+ return ret;
+}
+
+/*
+ * device control function
+ */
+static int
+hfc_dctrl(struct mISDNchannel *ch, u_int cmd, void *arg)
+{
+ struct mISDNdevice *dev = container_of(ch, struct mISDNdevice, D);
+ struct dchannel *dch = container_of(dev, struct dchannel, dev);
+ struct hfcsusb *hw = dch->hw;
+ struct channel_req *rq;
+ int err = 0;
+
+ if (dch->debug & DEBUG_HW)
+ printk(KERN_DEBUG "%s: %s: cmd:%x %p\n",
+ hw->name, __func__, cmd, arg);
+ switch (cmd) {
+ case OPEN_CHANNEL:
+ rq = arg;
+ if ((rq->protocol == ISDN_P_TE_S0) ||
+ (rq->protocol == ISDN_P_NT_S0))
+ err = open_dchannel(hw, ch, rq);
+ else
+ err = open_bchannel(hw, rq);
+ if (!err)
+ hw->open++;
+ break;
+ case CLOSE_CHANNEL:
+ hw->open--;
+ if (debug & DEBUG_HW_OPEN)
+ printk(KERN_DEBUG
+ "%s: %s: dev(%d) close from %p (open %d)\n",
+ hw->name, __func__, hw->dch.dev.id,
+ __builtin_return_address(0), hw->open);
+ if (!hw->open) {
+ hfcsusb_stop_endpoint(hw, HFC_CHAN_D);
+ if (hw->fifos[HFCUSB_PCM_RX].pipe)
+ hfcsusb_stop_endpoint(hw, HFC_CHAN_E);
+ handle_led(hw, LED_POWER_ON);
+ }
+ module_put(THIS_MODULE);
+ break;
+ case CONTROL_CHANNEL:
+ err = channel_ctrl(hw, arg);
+ break;
+ default:
+ if (dch->debug & DEBUG_HW)
+ printk(KERN_DEBUG "%s: %s: unknown command %x\n",
+ hw->name, __func__, cmd);
+ return -EINVAL;
+ }
+ return err;
+}
+
+/*
+ * S0 TE state change event handler
+ */
+static void
+ph_state_te(struct dchannel *dch)
+{
+ struct hfcsusb *hw = dch->hw;
+
+ if (debug & DEBUG_HW) {
+ if (dch->state <= HFC_MAX_TE_LAYER1_STATE)
+ printk(KERN_DEBUG "%s: %s: %s\n", hw->name, __func__,
+ HFC_TE_LAYER1_STATES[dch->state]);
+ else
+ printk(KERN_DEBUG "%s: %s: TE F%d\n",
+ hw->name, __func__, dch->state);
+ }
+
+ switch (dch->state) {
+ case 0:
+ l1_event(dch->l1, HW_RESET_IND);
+ break;
+ case 3:
+ l1_event(dch->l1, HW_DEACT_IND);
+ break;
+ case 5:
+ case 8:
+ l1_event(dch->l1, ANYSIGNAL);
+ break;
+ case 6:
+ l1_event(dch->l1, INFO2);
+ break;
+ case 7:
+ l1_event(dch->l1, INFO4_P8);
+ break;
+ }
+ if (dch->state == 7)
+ handle_led(hw, LED_S0_ON);
+ else
+ handle_led(hw, LED_S0_OFF);
+}
+
+/*
+ * S0 NT state change event handler
+ */
+static void
+ph_state_nt(struct dchannel *dch)
+{
+ struct hfcsusb *hw = dch->hw;
+
+ if (debug & DEBUG_HW) {
+ if (dch->state <= HFC_MAX_NT_LAYER1_STATE)
+ printk(KERN_DEBUG "%s: %s: %s\n",
+ hw->name, __func__,
+ HFC_NT_LAYER1_STATES[dch->state]);
+
+ else
+ printk(KERN_INFO DRIVER_NAME "%s: %s: NT G%d\n",
+ hw->name, __func__, dch->state);
+ }
+
+ switch (dch->state) {
+ case (1):
+ test_and_clear_bit(FLG_ACTIVE, &dch->Flags);
+ test_and_clear_bit(FLG_L2_ACTIVATED, &dch->Flags);
+ hw->nt_timer = 0;
+ hw->timers &= ~NT_ACTIVATION_TIMER;
+ handle_led(hw, LED_S0_OFF);
+ break;
+
+ case (2):
+ if (hw->nt_timer < 0) {
+ hw->nt_timer = 0;
+ hw->timers &= ~NT_ACTIVATION_TIMER;
+ hfcsusb_ph_command(dch->hw, HFC_L1_DEACTIVATE_NT);
+ } else {
+ hw->timers |= NT_ACTIVATION_TIMER;
+ hw->nt_timer = NT_T1_COUNT;
+ /* allow G2 -> G3 transition */
+ write_reg(hw, HFCUSB_STATES, 2 | HFCUSB_NT_G2_G3);
+ }
+ break;
+ case (3):
+ hw->nt_timer = 0;
+ hw->timers &= ~NT_ACTIVATION_TIMER;
+ test_and_set_bit(FLG_ACTIVE, &dch->Flags);
+ _queue_data(&dch->dev.D, PH_ACTIVATE_IND,
+ MISDN_ID_ANY, 0, NULL, GFP_ATOMIC);
+ handle_led(hw, LED_S0_ON);
+ break;
+ case (4):
+ hw->nt_timer = 0;
+ hw->timers &= ~NT_ACTIVATION_TIMER;
+ break;
+ default:
+ break;
+ }
+ hfcsusb_ph_info(hw);
+}
+
+static void
+ph_state(struct dchannel *dch)
+{
+ struct hfcsusb *hw = dch->hw;
+
+ if (hw->protocol == ISDN_P_NT_S0)
+ ph_state_nt(dch);
+ else if (hw->protocol == ISDN_P_TE_S0)
+ ph_state_te(dch);
+}
+
+/*
+ * disable/enable BChannel for desired protocoll
+ */
+static int
+hfcsusb_setup_bch(struct bchannel *bch, int protocol)
+{
+ struct hfcsusb *hw = bch->hw;
+ __u8 conhdlc, sctrl, sctrl_r;
+
+ if (debug & DEBUG_HW)
+ printk(KERN_DEBUG "%s: %s: protocol %x-->%x B%d\n",
+ hw->name, __func__, bch->state, protocol,
+ bch->nr);
+
+ /* setup val for CON_HDLC */
+ conhdlc = 0;
+ if (protocol > ISDN_P_NONE)
+ conhdlc = 8; /* enable FIFO */
+
+ switch (protocol) {
+ case (-1): /* used for init */
+ bch->state = -1;
+ /* fall trough */
+ case (ISDN_P_NONE):
+ if (bch->state == ISDN_P_NONE)
+ return 0; /* already in idle state */
+ bch->state = ISDN_P_NONE;
+ clear_bit(FLG_HDLC, &bch->Flags);
+ clear_bit(FLG_TRANSPARENT, &bch->Flags);
+ break;
+ case (ISDN_P_B_RAW):
+ conhdlc |= 2;
+ bch->state = protocol;
+ set_bit(FLG_TRANSPARENT, &bch->Flags);
+ break;
+ case (ISDN_P_B_HDLC):
+ bch->state = protocol;
+ set_bit(FLG_HDLC, &bch->Flags);
+ break;
+ default:
+ if (debug & DEBUG_HW)
+ printk(KERN_DEBUG "%s: %s: prot not known %x\n",
+ hw->name, __func__, protocol);
+ return -ENOPROTOOPT;
+ }
+
+ if (protocol >= ISDN_P_NONE) {
+ write_reg(hw, HFCUSB_FIFO, (bch->nr == 1) ? 0 : 2);
+ write_reg(hw, HFCUSB_CON_HDLC, conhdlc);
+ write_reg(hw, HFCUSB_INC_RES_F, 2);
+ write_reg(hw, HFCUSB_FIFO, (bch->nr == 1) ? 1 : 3);
+ write_reg(hw, HFCUSB_CON_HDLC, conhdlc);
+ write_reg(hw, HFCUSB_INC_RES_F, 2);
+
+ sctrl = 0x40 + ((hw->protocol == ISDN_P_TE_S0) ? 0x00 : 0x04);
+ sctrl_r = 0x0;
+ if (test_bit(FLG_ACTIVE, &hw->bch[0].Flags)) {
+ sctrl |= 1;
+ sctrl_r |= 1;
+ }
+ if (test_bit(FLG_ACTIVE, &hw->bch[1].Flags)) {
+ sctrl |= 2;
+ sctrl_r |= 2;
+ }
+ write_reg(hw, HFCUSB_SCTRL, sctrl);
+ write_reg(hw, HFCUSB_SCTRL_R, sctrl_r);
+
+ if (protocol > ISDN_P_NONE)
+ handle_led(hw, (bch->nr == 1) ? LED_B1_ON : LED_B2_ON);
+ else
+ handle_led(hw, (bch->nr == 1) ? LED_B1_OFF :
+ LED_B2_OFF);
+ }
+ hfcsusb_ph_info(hw);
+ return 0;
+}
+
+static void
+hfcsusb_ph_command(struct hfcsusb *hw, u_char command)
+{
+ if (debug & DEBUG_HW)
+ printk(KERN_DEBUG "%s: %s: %x\n",
+ hw->name, __func__, command);
+
+ switch (command) {
+ case HFC_L1_ACTIVATE_TE:
+ /* force sending sending INFO1 */
+ write_reg(hw, HFCUSB_STATES, 0x14);
+ /* start l1 activation */
+ write_reg(hw, HFCUSB_STATES, 0x04);
+ break;
+
+ case HFC_L1_FORCE_DEACTIVATE_TE:
+ write_reg(hw, HFCUSB_STATES, 0x10);
+ write_reg(hw, HFCUSB_STATES, 0x03);
+ break;
+
+ case HFC_L1_ACTIVATE_NT:
+ if (hw->dch.state == 3)
+ _queue_data(&hw->dch.dev.D, PH_ACTIVATE_IND,
+ MISDN_ID_ANY, 0, NULL, GFP_ATOMIC);
+ else
+ write_reg(hw, HFCUSB_STATES, HFCUSB_ACTIVATE |
+ HFCUSB_DO_ACTION | HFCUSB_NT_G2_G3);
+ break;
+
+ case HFC_L1_DEACTIVATE_NT:
+ write_reg(hw, HFCUSB_STATES,
+ HFCUSB_DO_ACTION);
+ break;
+ }
+}
+
+/*
+ * Layer 1 B-channel hardware access
+ */
+static int
+channel_bctrl(struct bchannel *bch, struct mISDN_ctrl_req *cq)
+{
+ int ret = 0;
+
+ switch (cq->op) {
+ case MISDN_CTRL_GETOP:
+ cq->op = MISDN_CTRL_FILL_EMPTY;
+ break;
+ case MISDN_CTRL_FILL_EMPTY: /* fill fifo, if empty */
+ test_and_set_bit(FLG_FILLEMPTY, &bch->Flags);
+ if (debug & DEBUG_HW_OPEN)
+ printk(KERN_DEBUG "%s: FILL_EMPTY request (nr=%d "
+ "off=%d)\n", __func__, bch->nr, !!cq->p1);
+ break;
+ default:
+ printk(KERN_WARNING "%s: unknown Op %x\n", __func__, cq->op);
+ ret = -EINVAL;
+ break;
+ }
+ return ret;
+}
+
+/* collect data from incoming interrupt or isochron USB data */
+static void
+hfcsusb_rx_frame(struct usb_fifo *fifo, __u8 *data, unsigned int len,
+ int finish)
+{
+ struct hfcsusb *hw = fifo->hw;
+ struct sk_buff *rx_skb = NULL;
+ int maxlen = 0;
+ int fifon = fifo->fifonum;
+ int i;
+ int hdlc = 0;
+
+ if (debug & DBG_HFC_CALL_TRACE)
+ printk(KERN_DEBUG "%s: %s: fifo(%i) len(%i) "
+ "dch(%p) bch(%p) ech(%p)\n",
+ hw->name, __func__, fifon, len,
+ fifo->dch, fifo->bch, fifo->ech);
+
+ if (!len)
+ return;
+
+ if ((!!fifo->dch + !!fifo->bch + !!fifo->ech) != 1) {
+ printk(KERN_DEBUG "%s: %s: undefined channel\n",
+ hw->name, __func__);
+ return;
+ }
+
+ spin_lock(&hw->lock);
+ if (fifo->dch) {
+ rx_skb = fifo->dch->rx_skb;
+ maxlen = fifo->dch->maxlen;
+ hdlc = 1;
+ }
+ if (fifo->bch) {
+ rx_skb = fifo->bch->rx_skb;
+ maxlen = fifo->bch->maxlen;
+ hdlc = test_bit(FLG_HDLC, &fifo->bch->Flags);
+ }
+ if (fifo->ech) {
+ rx_skb = fifo->ech->rx_skb;
+ maxlen = fifo->ech->maxlen;
+ hdlc = 1;
+ }
+
+ if (!rx_skb) {
+ rx_skb = mI_alloc_skb(maxlen, GFP_ATOMIC);
+ if (rx_skb) {
+ if (fifo->dch)
+ fifo->dch->rx_skb = rx_skb;
+ if (fifo->bch)
+ fifo->bch->rx_skb = rx_skb;
+ if (fifo->ech)
+ fifo->ech->rx_skb = rx_skb;
+ skb_trim(rx_skb, 0);
+ } else {
+ printk(KERN_DEBUG "%s: %s: No mem for rx_skb\n",
+ hw->name, __func__);
+ spin_unlock(&hw->lock);
+ return;
+ }
+ }
+
+ if (fifo->dch || fifo->ech) {
+ /* D/E-Channel SKB range check */
+ if ((rx_skb->len + len) >= MAX_DFRAME_LEN_L1) {
+ printk(KERN_DEBUG "%s: %s: sbk mem exceeded "
+ "for fifo(%d) HFCUSB_D_RX\n",
+ hw->name, __func__, fifon);
+ skb_trim(rx_skb, 0);
+ spin_unlock(&hw->lock);
+ return;
+ }
+ } else if (fifo->bch) {
+ /* B-Channel SKB range check */
+ if ((rx_skb->len + len) >= (MAX_BCH_SIZE + 3)) {
+ printk(KERN_DEBUG "%s: %s: sbk mem exceeded "
+ "for fifo(%d) HFCUSB_B_RX\n",
+ hw->name, __func__, fifon);
+ skb_trim(rx_skb, 0);
+ spin_unlock(&hw->lock);
+ return;
+ }
+ }
+
+ memcpy(skb_put(rx_skb, len), data, len);
+
+ if (hdlc) {
+ /* we have a complete hdlc packet */
+ if (finish) {
+ if ((rx_skb->len > 3) &&
+ (!(rx_skb->data[rx_skb->len - 1]))) {
+ if (debug & DBG_HFC_FIFO_VERBOSE) {
+ printk(KERN_DEBUG "%s: %s: fifon(%i)"
+ " new RX len(%i): ",
+ hw->name, __func__, fifon,
+ rx_skb->len);
+ i = 0;
+ while (i < rx_skb->len)
+ printk("%02x ",
+ rx_skb->data[i++]);
+ printk("\n");
+ }
+
+ /* remove CRC & status */
+ skb_trim(rx_skb, rx_skb->len - 3);
+
+ if (fifo->dch)
+ recv_Dchannel(fifo->dch);
+ if (fifo->bch)
+ recv_Bchannel(fifo->bch);
+ if (fifo->ech)
+ recv_Echannel(fifo->ech,
+ &hw->dch);
+ } else {
+ if (debug & DBG_HFC_FIFO_VERBOSE) {
+ printk(KERN_DEBUG
+ "%s: CRC or minlen ERROR fifon(%i) "
+ "RX len(%i): ",
+ hw->name, fifon, rx_skb->len);
+ i = 0;
+ while (i < rx_skb->len)
+ printk("%02x ",
+ rx_skb->data[i++]);
+ printk("\n");
+ }
+ skb_trim(rx_skb, 0);
+ }
+ }
+ } else {
+ /* deliver transparent data to layer2 */
+ if (rx_skb->len >= poll)
+ recv_Bchannel(fifo->bch);
+ }
+ spin_unlock(&hw->lock);
+}
+
+void
+fill_isoc_urb(struct urb *urb, struct usb_device *dev, unsigned int pipe,
+ void *buf, int num_packets, int packet_size, int interval,
+ usb_complete_t complete, void *context)
+{
+ int k;
+
+ usb_fill_bulk_urb(urb, dev, pipe, buf, packet_size * num_packets,
+ complete, context);
+
+ urb->number_of_packets = num_packets;
+ urb->transfer_flags = URB_ISO_ASAP;
+ urb->actual_length = 0;
+ urb->interval = interval;
+
+ for (k = 0; k < num_packets; k++) {
+ urb->iso_frame_desc[k].offset = packet_size * k;
+ urb->iso_frame_desc[k].length = packet_size;
+ urb->iso_frame_desc[k].actual_length = 0;
+ }
+}
+
+/* receive completion routine for all ISO tx fifos */
+static void
+rx_iso_complete(struct urb *urb)
+{
+ struct iso_urb *context_iso_urb = (struct iso_urb *) urb->context;
+ struct usb_fifo *fifo = context_iso_urb->owner_fifo;
+ struct hfcsusb *hw = fifo->hw;
+ int k, len, errcode, offset, num_isoc_packets, fifon, maxlen,
+ status, iso_status, i;
+ __u8 *buf;
+ static __u8 eof[8];
+ __u8 s0_state;
+
+ fifon = fifo->fifonum;
+ status = urb->status;
+
+ spin_lock(&hw->lock);
+ if (fifo->stop_gracefull) {
+ fifo->stop_gracefull = 0;
+ fifo->active = 0;
+ spin_unlock(&hw->lock);
+ return;
+ }
+ spin_unlock(&hw->lock);
+
+ /*
+ * ISO transfer only partially completed,
+ * look at individual frame status for details
+ */
+ if (status == -EXDEV) {
+ if (debug & DEBUG_HW)
+ printk(KERN_DEBUG "%s: %s: with -EXDEV "
+ "urb->status %d, fifonum %d\n",
+ hw->name, __func__, status, fifon);
+
+ /* clear status, so go on with ISO transfers */
+ status = 0;
+ }
+
+ s0_state = 0;
+ if (fifo->active && !status) {
+ num_isoc_packets = iso_packets[fifon];
+ maxlen = fifo->usb_packet_maxlen;
+
+ for (k = 0; k < num_isoc_packets; ++k) {
+ len = urb->iso_frame_desc[k].actual_length;
+ offset = urb->iso_frame_desc[k].offset;
+ buf = context_iso_urb->buffer + offset;
+ iso_status = urb->iso_frame_desc[k].status;
+
+ if (iso_status && (debug & DBG_HFC_FIFO_VERBOSE)) {
+ printk(KERN_DEBUG "%s: %s: "
+ "ISO packet %i, status: %i\n",
+ hw->name, __func__, k, iso_status);
+ }
+
+ /* USB data log for every D ISO in */
+ if ((fifon == HFCUSB_D_RX) &&
+ (debug & DBG_HFC_USB_VERBOSE)) {
+ printk(KERN_DEBUG
+ "%s: %s: %d (%d/%d) len(%d) ",
+ hw->name, __func__, urb->start_frame,
+ k, num_isoc_packets-1,
+ len);
+ for (i = 0; i < len; i++)
+ printk("%x ", buf[i]);
+ printk("\n");
+ }
+
+ if (!iso_status) {
+ if (fifo->last_urblen != maxlen) {
+ /*
+ * save fifo fill-level threshold bits
+ * to use them later in TX ISO URB
+ * completions
+ */
+ hw->threshold_mask = buf[1];
+
+ if (fifon == HFCUSB_D_RX)
+ s0_state = (buf[0] >> 4);
+
+ eof[fifon] = buf[0] & 1;
+ if (len > 2)
+ hfcsusb_rx_frame(fifo, buf + 2,
+ len - 2, (len < maxlen)
+ ? eof[fifon] : 0);
+ } else
+ hfcsusb_rx_frame(fifo, buf, len,
+ (len < maxlen) ?
+ eof[fifon] : 0);
+ fifo->last_urblen = len;
+ }
+ }
+
+ /* signal S0 layer1 state change */
+ if ((s0_state) && (hw->initdone) &&
+ (s0_state != hw->dch.state)) {
+ hw->dch.state = s0_state;
+ schedule_event(&hw->dch, FLG_PHCHANGE);
+ }
+
+ fill_isoc_urb(urb, fifo->hw->dev, fifo->pipe,
+ context_iso_urb->buffer, num_isoc_packets,
+ fifo->usb_packet_maxlen, fifo->intervall,
+ (usb_complete_t)rx_iso_complete, urb->context);
+ errcode = usb_submit_urb(urb, GFP_ATOMIC);
+ if (errcode < 0) {
+ if (debug & DEBUG_HW)
+ printk(KERN_DEBUG "%s: %s: error submitting "
+ "ISO URB: %d\n",
+ hw->name, __func__, errcode);
+ }
+ } else {
+ if (status && (debug & DBG_HFC_URB_INFO))
+ printk(KERN_DEBUG "%s: %s: rx_iso_complete : "
+ "urb->status %d, fifonum %d\n",
+ hw->name, __func__, status, fifon);
+ }
+}
+
+/* receive completion routine for all interrupt rx fifos */
+static void
+rx_int_complete(struct urb *urb)
+{
+ int len, status, i;
+ __u8 *buf, maxlen, fifon;
+ struct usb_fifo *fifo = (struct usb_fifo *) urb->context;
+ struct hfcsusb *hw = fifo->hw;
+ static __u8 eof[8];
+
+ spin_lock(&hw->lock);
+ if (fifo->stop_gracefull) {
+ fifo->stop_gracefull = 0;
+ fifo->active = 0;
+ spin_unlock(&hw->lock);
+ return;
+ }
+ spin_unlock(&hw->lock);
+
+ fifon = fifo->fifonum;
+ if ((!fifo->active) || (urb->status)) {
+ if (debug & DBG_HFC_URB_ERROR)
+ printk(KERN_DEBUG
+ "%s: %s: RX-Fifo %i is going down (%i)\n",
+ hw->name, __func__, fifon, urb->status);
+
+ fifo->urb->interval = 0; /* cancel automatic rescheduling */
+ return;
+ }
+ len = urb->actual_length;
+ buf = fifo->buffer;
+ maxlen = fifo->usb_packet_maxlen;
+
+ /* USB data log for every D INT in */
+ if ((fifon == HFCUSB_D_RX) && (debug & DBG_HFC_USB_VERBOSE)) {
+ printk(KERN_DEBUG "%s: %s: D RX INT len(%d) ",
+ hw->name, __func__, len);
+ for (i = 0; i < len; i++)
+ printk("%02x ", buf[i]);
+ printk("\n");
+ }
+
+ if (fifo->last_urblen != fifo->usb_packet_maxlen) {
+ /* the threshold mask is in the 2nd status byte */
+ hw->threshold_mask = buf[1];
+
+ /* signal S0 layer1 state change */
+ if (hw->initdone && ((buf[0] >> 4) != hw->dch.state)) {
+ hw->dch.state = (buf[0] >> 4);
+ schedule_event(&hw->dch, FLG_PHCHANGE);
+ }
+
+ eof[fifon] = buf[0] & 1;
+ /* if we have more than the 2 status bytes -> collect data */
+ if (len > 2)
+ hfcsusb_rx_frame(fifo, buf + 2,
+ urb->actual_length - 2,
+ (len < maxlen) ? eof[fifon] : 0);
+ } else {
+ hfcsusb_rx_frame(fifo, buf, urb->actual_length,
+ (len < maxlen) ? eof[fifon] : 0);
+ }
+ fifo->last_urblen = urb->actual_length;
+
+ status = usb_submit_urb(urb, GFP_ATOMIC);
+ if (status) {
+ if (debug & DEBUG_HW)
+ printk(KERN_DEBUG "%s: %s: error resubmitting USB\n",
+ hw->name, __func__);
+ }
+}
+
+/* transmit completion routine for all ISO tx fifos */
+static void
+tx_iso_complete(struct urb *urb)
+{
+ struct iso_urb *context_iso_urb = (struct iso_urb *) urb->context;
+ struct usb_fifo *fifo = context_iso_urb->owner_fifo;
+ struct hfcsusb *hw = fifo->hw;
+ struct sk_buff *tx_skb;
+ int k, tx_offset, num_isoc_packets, sink, remain, current_len,
+ errcode, hdlc, i;
+ int *tx_idx;
+ int frame_complete, fifon, status;
+ __u8 threshbit;
+
+ spin_lock(&hw->lock);
+ if (fifo->stop_gracefull) {
+ fifo->stop_gracefull = 0;
+ fifo->active = 0;
+ spin_unlock(&hw->lock);
+ return;
+ }
+
+ if (fifo->dch) {
+ tx_skb = fifo->dch->tx_skb;
+ tx_idx = &fifo->dch->tx_idx;
+ hdlc = 1;
+ } else if (fifo->bch) {
+ tx_skb = fifo->bch->tx_skb;
+ tx_idx = &fifo->bch->tx_idx;
+ hdlc = test_bit(FLG_HDLC, &fifo->bch->Flags);
+ } else {
+ printk(KERN_DEBUG "%s: %s: neither BCH nor DCH\n",
+ hw->name, __func__);
+ spin_unlock(&hw->lock);
+ return;
+ }
+
+ fifon = fifo->fifonum;
+ status = urb->status;
+
+ tx_offset = 0;
+
+ /*
+ * ISO transfer only partially completed,
+ * look at individual frame status for details
+ */
+ if (status == -EXDEV) {
+ if (debug & DBG_HFC_URB_ERROR)
+ printk(KERN_DEBUG "%s: %s: "
+ "-EXDEV (%i) fifon (%d)\n",
+ hw->name, __func__, status, fifon);
+
+ /* clear status, so go on with ISO transfers */
+ status = 0;
+ }
+
+ if (fifo->active && !status) {
+ /* is FifoFull-threshold set for our channel? */
+ threshbit = (hw->threshold_mask & (1 << fifon));
+ num_isoc_packets = iso_packets[fifon];
+
+ /* predict dataflow to avoid fifo overflow */
+ if (fifon >= HFCUSB_D_TX)
+ sink = (threshbit) ? SINK_DMIN : SINK_DMAX;
+ else
+ sink = (threshbit) ? SINK_MIN : SINK_MAX;
+ fill_isoc_urb(urb, fifo->hw->dev, fifo->pipe,
+ context_iso_urb->buffer, num_isoc_packets,
+ fifo->usb_packet_maxlen, fifo->intervall,
+ (usb_complete_t)tx_iso_complete, urb->context);
+ memset(context_iso_urb->buffer, 0,
+ sizeof(context_iso_urb->buffer));
+ frame_complete = 0;
+
+ for (k = 0; k < num_isoc_packets; ++k) {
+ /* analyze tx success of previous ISO packets */
+ if (debug & DBG_HFC_URB_ERROR) {
+ errcode = urb->iso_frame_desc[k].status;
+ if (errcode) {
+ printk(KERN_DEBUG "%s: %s: "
+ "ISO packet %i, status: %i\n",
+ hw->name, __func__, k, errcode);
+ }
+ }
+
+ /* Generate next ISO Packets */
+ if (tx_skb)
+ remain = tx_skb->len - *tx_idx;
+ else
+ remain = 0;
+
+ if (remain > 0) {
+ fifo->bit_line -= sink;
+ current_len = (0 - fifo->bit_line) / 8;
+ if (current_len > 14)
+ current_len = 14;
+ if (current_len < 0)
+ current_len = 0;
+ if (remain < current_len)
+ current_len = remain;
+
+ /* how much bit do we put on the line? */
+ fifo->bit_line += current_len * 8;
+
+ context_iso_urb->buffer[tx_offset] = 0;
+ if (current_len == remain) {
+ if (hdlc) {
+ /* signal frame completion */
+ context_iso_urb->
+ buffer[tx_offset] = 1;
+ /* add 2 byte flags and 16bit
+ * CRC at end of ISDN frame */
+ fifo->bit_line += 32;
+ }
+ frame_complete = 1;
+ }
+
+ /* copy tx data to iso-urb buffer */
+ memcpy(context_iso_urb->buffer + tx_offset + 1,
+ (tx_skb->data + *tx_idx), current_len);
+ *tx_idx += current_len;
+
+ urb->iso_frame_desc[k].offset = tx_offset;
+ urb->iso_frame_desc[k].length = current_len + 1;
+
+ /* USB data log for every D ISO out */
+ if ((fifon == HFCUSB_D_RX) &&
+ (debug & DBG_HFC_USB_VERBOSE)) {
+ printk(KERN_DEBUG
+ "%s: %s (%d/%d) offs(%d) len(%d) ",
+ hw->name, __func__,
+ k, num_isoc_packets-1,
+ urb->iso_frame_desc[k].offset,
+ urb->iso_frame_desc[k].length);
+
+ for (i = urb->iso_frame_desc[k].offset;
+ i < (urb->iso_frame_desc[k].offset
+ + urb->iso_frame_desc[k].length);
+ i++)
+ printk("%x ",
+ context_iso_urb->buffer[i]);
+
+ printk(" skb->len(%i) tx-idx(%d)\n",
+ tx_skb->len, *tx_idx);
+ }
+
+ tx_offset += (current_len + 1);
+ } else {
+ urb->iso_frame_desc[k].offset = tx_offset++;
+ urb->iso_frame_desc[k].length = 1;
+ /* we lower data margin every msec */
+ fifo->bit_line -= sink;
+ if (fifo->bit_line < BITLINE_INF)
+ fifo->bit_line = BITLINE_INF;
+ }
+
+ if (frame_complete) {
+ frame_complete = 0;
+
+ if (debug & DBG_HFC_FIFO_VERBOSE) {
+ printk(KERN_DEBUG "%s: %s: "
+ "fifon(%i) new TX len(%i): ",
+ hw->name, __func__,
+ fifon, tx_skb->len);
+ i = 0;
+ while (i < tx_skb->len)
+ printk("%02x ",
+ tx_skb->data[i++]);
+ printk("\n");
+ }
+
+ dev_kfree_skb(tx_skb);
+ tx_skb = NULL;
+ if (fifo->dch && get_next_dframe(fifo->dch))
+ tx_skb = fifo->dch->tx_skb;
+ else if (fifo->bch &&
+ get_next_bframe(fifo->bch)) {
+ if (test_bit(FLG_TRANSPARENT,
+ &fifo->bch->Flags))
+ confirm_Bsend(fifo->bch);
+ tx_skb = fifo->bch->tx_skb;
+ }
+ }
+ }
+ errcode = usb_submit_urb(urb, GFP_ATOMIC);
+ if (errcode < 0) {
+ if (debug & DEBUG_HW)
+ printk(KERN_DEBUG
+ "%s: %s: error submitting ISO URB: %d \n",
+ hw->name, __func__, errcode);
+ }
+
+ /*
+ * abuse DChannel tx iso completion to trigger NT mode state
+ * changes tx_iso_complete is assumed to be called every
+ * fifo->intervall (ms)
+ */
+ if ((fifon == HFCUSB_D_TX) && (hw->protocol == ISDN_P_NT_S0)
+ && (hw->timers & NT_ACTIVATION_TIMER)) {
+ if ((--hw->nt_timer) < 0)
+ schedule_event(&hw->dch, FLG_PHCHANGE);
+ }
+
+ } else {
+ if (status && (debug & DBG_HFC_URB_ERROR))
+ printk(KERN_DEBUG "%s: %s: urb->status %s (%i)"
+ "fifonum=%d\n",
+ hw->name, __func__,
+ symbolic(urb_errlist, status), status, fifon);
+ }
+ spin_unlock(&hw->lock);
+}
+
+/*
+ * allocs urbs and start isoc transfer with two pending urbs to avoid
+ * gaps in the transfer chain
+ */
+static int
+start_isoc_chain(struct usb_fifo *fifo, int num_packets_per_urb,
+ usb_complete_t complete, int packet_size)
+{
+ struct hfcsusb *hw = fifo->hw;
+ int i, k, errcode;
+
+ if (debug)
+ printk(KERN_DEBUG "%s: %s: fifo %i\n",
+ hw->name, __func__, fifo->fifonum);
+
+ /* allocate Memory for Iso out Urbs */
+ for (i = 0; i < 2; i++) {
+ if (!(fifo->iso[i].urb)) {
+ fifo->iso[i].urb =
+ usb_alloc_urb(num_packets_per_urb, GFP_KERNEL);
+ if (!(fifo->iso[i].urb)) {
+ printk(KERN_DEBUG
+ "%s: %s: alloc urb for fifo %i failed",
+ hw->name, __func__, fifo->fifonum);
+ }
+ fifo->iso[i].owner_fifo = (struct usb_fifo *) fifo;
+ fifo->iso[i].indx = i;
+
+ /* Init the first iso */
+ if (ISO_BUFFER_SIZE >=
+ (fifo->usb_packet_maxlen *
+ num_packets_per_urb)) {
+ fill_isoc_urb(fifo->iso[i].urb,
+ fifo->hw->dev, fifo->pipe,
+ fifo->iso[i].buffer,
+ num_packets_per_urb,
+ fifo->usb_packet_maxlen,
+ fifo->intervall, complete,
+ &fifo->iso[i]);
+ memset(fifo->iso[i].buffer, 0,
+ sizeof(fifo->iso[i].buffer));
+
+ for (k = 0; k < num_packets_per_urb; k++) {
+ fifo->iso[i].urb->
+ iso_frame_desc[k].offset =
+ k * packet_size;
+ fifo->iso[i].urb->
+ iso_frame_desc[k].length =
+ packet_size;
+ }
+ } else {
+ printk(KERN_DEBUG
+ "%s: %s: ISO Buffer size to small!\n",
+ hw->name, __func__);
+ }
+ }
+ fifo->bit_line = BITLINE_INF;
+
+ errcode = usb_submit_urb(fifo->iso[i].urb, GFP_KERNEL);
+ fifo->active = (errcode >= 0) ? 1 : 0;
+ fifo->stop_gracefull = 0;
+ if (errcode < 0) {
+ printk(KERN_DEBUG "%s: %s: %s URB nr:%d\n",
+ hw->name, __func__,
+ symbolic(urb_errlist, errcode), i);
+ }
+ }
+ return fifo->active;
+}
+
+static void
+stop_iso_gracefull(struct usb_fifo *fifo)
+{
+ struct hfcsusb *hw = fifo->hw;
+ int i, timeout;
+ u_long flags;
+
+ for (i = 0; i < 2; i++) {
+ spin_lock_irqsave(&hw->lock, flags);
+ if (debug)
+ printk(KERN_DEBUG "%s: %s for fifo %i.%i\n",
+ hw->name, __func__, fifo->fifonum, i);
+ fifo->stop_gracefull = 1;
+ spin_unlock_irqrestore(&hw->lock, flags);
+ }
+
+ for (i = 0; i < 2; i++) {
+ timeout = 3;
+ while (fifo->stop_gracefull && timeout--)
+ schedule_timeout_interruptible((HZ/1000)*16);
+ if (debug && fifo->stop_gracefull)
+ printk(KERN_DEBUG "%s: ERROR %s for fifo %i.%i\n",
+ hw->name, __func__, fifo->fifonum, i);
+ }
+}
+
+static void
+stop_int_gracefull(struct usb_fifo *fifo)
+{
+ struct hfcsusb *hw = fifo->hw;
+ int timeout;
+ u_long flags;
+
+ spin_lock_irqsave(&hw->lock, flags);
+ if (debug)
+ printk(KERN_DEBUG "%s: %s for fifo %i\n",
+ hw->name, __func__, fifo->fifonum);
+ fifo->stop_gracefull = 1;
+ spin_unlock_irqrestore(&hw->lock, flags);
+
+ timeout = 3;
+ while (fifo->stop_gracefull && timeout--)
+ schedule_timeout_interruptible((HZ/1000)*3);
+ if (debug && fifo->stop_gracefull)
+ printk(KERN_DEBUG "%s: ERROR %s for fifo %i\n",
+ hw->name, __func__, fifo->fifonum);
+}
+
+/* start the interrupt transfer for the given fifo */
+static void
+start_int_fifo(struct usb_fifo *fifo)
+{
+ struct hfcsusb *hw = fifo->hw;
+ int errcode;
+
+ if (debug)
+ printk(KERN_DEBUG "%s: %s: INT IN fifo:%d\n",
+ hw->name, __func__, fifo->fifonum);
+
+ if (!fifo->urb) {
+ fifo->urb = usb_alloc_urb(0, GFP_KERNEL);
+ if (!fifo->urb)
+ return;
+ }
+ usb_fill_int_urb(fifo->urb, fifo->hw->dev, fifo->pipe,
+ fifo->buffer, fifo->usb_packet_maxlen,
+ (usb_complete_t)rx_int_complete, fifo, fifo->intervall);
+ fifo->active = 1;
+ fifo->stop_gracefull = 0;
+ errcode = usb_submit_urb(fifo->urb, GFP_KERNEL);
+ if (errcode) {
+ printk(KERN_DEBUG "%s: %s: submit URB: status:%i\n",
+ hw->name, __func__, errcode);
+ fifo->active = 0;
+ }
+}
+
+static void
+setPortMode(struct hfcsusb *hw)
+{
+ if (debug & DEBUG_HW)
+ printk(KERN_DEBUG "%s: %s %s\n", hw->name, __func__,
+ (hw->protocol == ISDN_P_TE_S0) ? "TE" : "NT");
+
+ if (hw->protocol == ISDN_P_TE_S0) {
+ write_reg(hw, HFCUSB_SCTRL, 0x40);
+ write_reg(hw, HFCUSB_SCTRL_E, 0x00);
+ write_reg(hw, HFCUSB_CLKDEL, CLKDEL_TE);
+ write_reg(hw, HFCUSB_STATES, 3 | 0x10);
+ write_reg(hw, HFCUSB_STATES, 3);
+ } else {
+ write_reg(hw, HFCUSB_SCTRL, 0x44);
+ write_reg(hw, HFCUSB_SCTRL_E, 0x09);
+ write_reg(hw, HFCUSB_CLKDEL, CLKDEL_NT);
+ write_reg(hw, HFCUSB_STATES, 1 | 0x10);
+ write_reg(hw, HFCUSB_STATES, 1);
+ }
+}
+
+static void
+reset_hfcsusb(struct hfcsusb *hw)
+{
+ struct usb_fifo *fifo;
+ int i;
+
+ if (debug & DEBUG_HW)
+ printk(KERN_DEBUG "%s: %s\n", hw->name, __func__);
+
+ /* do Chip reset */
+ write_reg(hw, HFCUSB_CIRM, 8);
+
+ /* aux = output, reset off */
+ write_reg(hw, HFCUSB_CIRM, 0x10);
+
+ /* set USB_SIZE to match the wMaxPacketSize for INT or BULK transfers */
+ write_reg(hw, HFCUSB_USB_SIZE, (hw->packet_size / 8) |
+ ((hw->packet_size / 8) << 4));
+
+ /* set USB_SIZE_I to match the the wMaxPacketSize for ISO transfers */
+ write_reg(hw, HFCUSB_USB_SIZE_I, hw->iso_packet_size);
+
+ /* enable PCM/GCI master mode */
+ write_reg(hw, HFCUSB_MST_MODE1, 0); /* set default values */
+ write_reg(hw, HFCUSB_MST_MODE0, 1); /* enable master mode */
+
+ /* init the fifos */
+ write_reg(hw, HFCUSB_F_THRES,
+ (HFCUSB_TX_THRESHOLD / 8) | ((HFCUSB_RX_THRESHOLD / 8) << 4));
+
+ fifo = hw->fifos;
+ for (i = 0; i < HFCUSB_NUM_FIFOS; i++) {
+ write_reg(hw, HFCUSB_FIFO, i); /* select the desired fifo */
+ fifo[i].max_size =
+ (i <= HFCUSB_B2_RX) ? MAX_BCH_SIZE : MAX_DFRAME_LEN;
+ fifo[i].last_urblen = 0;
+
+ /* set 2 bit for D- & E-channel */
+ write_reg(hw, HFCUSB_HDLC_PAR, ((i <= HFCUSB_B2_RX) ? 0 : 2));
+
+ /* enable all fifos */
+ if (i == HFCUSB_D_TX)
+ write_reg(hw, HFCUSB_CON_HDLC,
+ (hw->protocol == ISDN_P_NT_S0) ? 0x08 : 0x09);
+ else
+ write_reg(hw, HFCUSB_CON_HDLC, 0x08);
+ write_reg(hw, HFCUSB_INC_RES_F, 2); /* reset the fifo */
+ }
+
+ write_reg(hw, HFCUSB_SCTRL_R, 0); /* disable both B receivers */
+ handle_led(hw, LED_POWER_ON);
+}
+
+/* start USB data pipes dependand on device's endpoint configuration */
+static void
+hfcsusb_start_endpoint(struct hfcsusb *hw, int channel)
+{
+ /* quick check if endpoint already running */
+ if ((channel == HFC_CHAN_D) && (hw->fifos[HFCUSB_D_RX].active))
+ return;
+ if ((channel == HFC_CHAN_B1) && (hw->fifos[HFCUSB_B1_RX].active))
+ return;
+ if ((channel == HFC_CHAN_B2) && (hw->fifos[HFCUSB_B2_RX].active))
+ return;
+ if ((channel == HFC_CHAN_E) && (hw->fifos[HFCUSB_PCM_RX].active))
+ return;
+
+ /* start rx endpoints using USB INT IN method */
+ if (hw->cfg_used == CNF_3INT3ISO || hw->cfg_used == CNF_4INT3ISO)
+ start_int_fifo(hw->fifos + channel*2 + 1);
+
+ /* start rx endpoints using USB ISO IN method */
+ if (hw->cfg_used == CNF_3ISO3ISO || hw->cfg_used == CNF_4ISO3ISO) {
+ switch (channel) {
+ case HFC_CHAN_D:
+ start_isoc_chain(hw->fifos + HFCUSB_D_RX,
+ ISOC_PACKETS_D,
+ (usb_complete_t)rx_iso_complete,
+ 16);
+ break;
+ case HFC_CHAN_E:
+ start_isoc_chain(hw->fifos + HFCUSB_PCM_RX,
+ ISOC_PACKETS_D,
+ (usb_complete_t)rx_iso_complete,
+ 16);
+ break;
+ case HFC_CHAN_B1:
+ start_isoc_chain(hw->fifos + HFCUSB_B1_RX,
+ ISOC_PACKETS_B,
+ (usb_complete_t)rx_iso_complete,
+ 16);
+ break;
+ case HFC_CHAN_B2:
+ start_isoc_chain(hw->fifos + HFCUSB_B2_RX,
+ ISOC_PACKETS_B,
+ (usb_complete_t)rx_iso_complete,
+ 16);
+ break;
+ }
+ }
+
+ /* start tx endpoints using USB ISO OUT method */
+ switch (channel) {
+ case HFC_CHAN_D:
+ start_isoc_chain(hw->fifos + HFCUSB_D_TX,
+ ISOC_PACKETS_B,
+ (usb_complete_t)tx_iso_complete, 1);
+ break;
+ case HFC_CHAN_B1:
+ start_isoc_chain(hw->fifos + HFCUSB_B1_TX,
+ ISOC_PACKETS_D,
+ (usb_complete_t)tx_iso_complete, 1);
+ break;
+ case HFC_CHAN_B2:
+ start_isoc_chain(hw->fifos + HFCUSB_B2_TX,
+ ISOC_PACKETS_B,
+ (usb_complete_t)tx_iso_complete, 1);
+ break;
+ }
+}
+
+/* stop USB data pipes dependand on device's endpoint configuration */
+static void
+hfcsusb_stop_endpoint(struct hfcsusb *hw, int channel)
+{
+ /* quick check if endpoint currently running */
+ if ((channel == HFC_CHAN_D) && (!hw->fifos[HFCUSB_D_RX].active))
+ return;
+ if ((channel == HFC_CHAN_B1) && (!hw->fifos[HFCUSB_B1_RX].active))
+ return;
+ if ((channel == HFC_CHAN_B2) && (!hw->fifos[HFCUSB_B2_RX].active))
+ return;
+ if ((channel == HFC_CHAN_E) && (!hw->fifos[HFCUSB_PCM_RX].active))
+ return;
+
+ /* rx endpoints using USB INT IN method */
+ if (hw->cfg_used == CNF_3INT3ISO || hw->cfg_used == CNF_4INT3ISO)
+ stop_int_gracefull(hw->fifos + channel*2 + 1);
+
+ /* rx endpoints using USB ISO IN method */
+ if (hw->cfg_used == CNF_3ISO3ISO || hw->cfg_used == CNF_4ISO3ISO)
+ stop_iso_gracefull(hw->fifos + channel*2 + 1);
+
+ /* tx endpoints using USB ISO OUT method */
+ if (channel != HFC_CHAN_E)
+ stop_iso_gracefull(hw->fifos + channel*2);
+}
+
+
+/* Hardware Initialization */
+int
+setup_hfcsusb(struct hfcsusb *hw)
+{
+ int err;
+ u_char b;
+
+ if (debug & DBG_HFC_CALL_TRACE)
+ printk(KERN_DEBUG "%s: %s\n", hw->name, __func__);
+
+ /* check the chip id */
+ if (read_reg_atomic(hw, HFCUSB_CHIP_ID, &b) != 1) {
+ printk(KERN_DEBUG "%s: %s: cannot read chip id\n",
+ hw->name, __func__);
+ return 1;
+ }
+ if (b != HFCUSB_CHIPID) {
+ printk(KERN_DEBUG "%s: %s: Invalid chip id 0x%02x\n",
+ hw->name, __func__, b);
+ return 1;
+ }
+
+ /* first set the needed config, interface and alternate */
+ err = usb_set_interface(hw->dev, hw->if_used, hw->alt_used);
+
+ hw->led_state = 0;
+
+ /* init the background machinery for control requests */
+ hw->ctrl_read.bRequestType = 0xc0;
+ hw->ctrl_read.bRequest = 1;
+ hw->ctrl_read.wLength = cpu_to_le16(1);
+ hw->ctrl_write.bRequestType = 0x40;
+ hw->ctrl_write.bRequest = 0;
+ hw->ctrl_write.wLength = 0;
+ usb_fill_control_urb(hw->ctrl_urb, hw->dev, hw->ctrl_out_pipe,
+ (u_char *)&hw->ctrl_write, NULL, 0,
+ (usb_complete_t)ctrl_complete, hw);
+
+ reset_hfcsusb(hw);
+ return 0;
+}
+
+static void
+release_hw(struct hfcsusb *hw)
+{
+ if (debug & DBG_HFC_CALL_TRACE)
+ printk(KERN_DEBUG "%s: %s\n", hw->name, __func__);
+
+ /*
+ * stop all endpoints gracefully
+ * TODO: mISDN_core should generate CLOSE_CHANNEL
+ * signals after calling mISDN_unregister_device()
+ */
+ hfcsusb_stop_endpoint(hw, HFC_CHAN_D);
+ hfcsusb_stop_endpoint(hw, HFC_CHAN_B1);
+ hfcsusb_stop_endpoint(hw, HFC_CHAN_B2);
+ if (hw->fifos[HFCUSB_PCM_RX].pipe)
+ hfcsusb_stop_endpoint(hw, HFC_CHAN_E);
+ if (hw->protocol == ISDN_P_TE_S0)
+ l1_event(hw->dch.l1, CLOSE_CHANNEL);
+
+ mISDN_unregister_device(&hw->dch.dev);
+ mISDN_freebchannel(&hw->bch[1]);
+ mISDN_freebchannel(&hw->bch[0]);
+ mISDN_freedchannel(&hw->dch);
+
+ if (hw->ctrl_urb) {
+ usb_kill_urb(hw->ctrl_urb);
+ usb_free_urb(hw->ctrl_urb);
+ hw->ctrl_urb = NULL;
+ }
+
+ if (hw->intf)
+ usb_set_intfdata(hw->intf, NULL);
+ list_del(&hw->list);
+ kfree(hw);
+ hw = NULL;
+}
+
+static void
+deactivate_bchannel(struct bchannel *bch)
+{
+ struct hfcsusb *hw = bch->hw;
+ u_long flags;
+
+ if (bch->debug & DEBUG_HW)
+ printk(KERN_DEBUG "%s: %s: bch->nr(%i)\n",
+ hw->name, __func__, bch->nr);
+
+ spin_lock_irqsave(&hw->lock, flags);
+ if (test_and_clear_bit(FLG_TX_NEXT, &bch->Flags)) {
+ dev_kfree_skb(bch->next_skb);
+ bch->next_skb = NULL;
+ }
+ if (bch->tx_skb) {
+ dev_kfree_skb(bch->tx_skb);
+ bch->tx_skb = NULL;
+ }
+ bch->tx_idx = 0;
+ if (bch->rx_skb) {
+ dev_kfree_skb(bch->rx_skb);
+ bch->rx_skb = NULL;
+ }
+ clear_bit(FLG_ACTIVE, &bch->Flags);
+ clear_bit(FLG_TX_BUSY, &bch->Flags);
+ spin_unlock_irqrestore(&hw->lock, flags);
+ hfcsusb_setup_bch(bch, ISDN_P_NONE);
+ hfcsusb_stop_endpoint(hw, bch->nr);
+}
+
+/*
+ * Layer 1 B-channel hardware access
+ */
+static int
+hfc_bctrl(struct mISDNchannel *ch, u_int cmd, void *arg)
+{
+ struct bchannel *bch = container_of(ch, struct bchannel, ch);
+ int ret = -EINVAL;
+
+ if (bch->debug & DEBUG_HW)
+ printk(KERN_DEBUG "%s: cmd:%x %p\n", __func__, cmd, arg);
+
+ switch (cmd) {
+ case HW_TESTRX_RAW:
+ case HW_TESTRX_HDLC:
+ case HW_TESTRX_OFF:
+ ret = -EINVAL;
+ break;
+
+ case CLOSE_CHANNEL:
+ test_and_clear_bit(FLG_OPEN, &bch->Flags);
+ if (test_bit(FLG_ACTIVE, &bch->Flags))
+ deactivate_bchannel(bch);
+ ch->protocol = ISDN_P_NONE;
+ ch->peer = NULL;
+ module_put(THIS_MODULE);
+ ret = 0;
+ break;
+ case CONTROL_CHANNEL:
+ ret = channel_bctrl(bch, arg);
+ break;
+ default:
+ printk(KERN_WARNING "%s: unknown prim(%x)\n",
+ __func__, cmd);
+ }
+ return ret;
+}
+
+static int
+setup_instance(struct hfcsusb *hw, struct device *parent)
+{
+ u_long flags;
+ int err, i;
+
+ if (debug & DBG_HFC_CALL_TRACE)
+ printk(KERN_DEBUG "%s: %s\n", hw->name, __func__);
+
+ spin_lock_init(&hw->ctrl_lock);
+ spin_lock_init(&hw->lock);
+
+ mISDN_initdchannel(&hw->dch, MAX_DFRAME_LEN_L1, ph_state);
+ hw->dch.debug = debug & 0xFFFF;
+ hw->dch.hw = hw;
+ hw->dch.dev.Dprotocols = (1 << ISDN_P_TE_S0) | (1 << ISDN_P_NT_S0);
+ hw->dch.dev.D.send = hfcusb_l2l1D;
+ hw->dch.dev.D.ctrl = hfc_dctrl;
+
+ /* enable E-Channel logging */
+ if (hw->fifos[HFCUSB_PCM_RX].pipe)
+ mISDN_initdchannel(&hw->ech, MAX_DFRAME_LEN_L1, NULL);
+
+ hw->dch.dev.Bprotocols = (1 << (ISDN_P_B_RAW & ISDN_P_B_MASK)) |
+ (1 << (ISDN_P_B_HDLC & ISDN_P_B_MASK));
+ hw->dch.dev.nrbchan = 2;
+ for (i = 0; i < 2; i++) {
+ hw->bch[i].nr = i + 1;
+ set_channelmap(i + 1, hw->dch.dev.channelmap);
+ hw->bch[i].debug = debug;
+ mISDN_initbchannel(&hw->bch[i], MAX_DATA_MEM);
+ hw->bch[i].hw = hw;
+ hw->bch[i].ch.send = hfcusb_l2l1B;
+ hw->bch[i].ch.ctrl = hfc_bctrl;
+ hw->bch[i].ch.nr = i + 1;
+ list_add(&hw->bch[i].ch.list, &hw->dch.dev.bchannels);
+ }
+
+ hw->fifos[HFCUSB_B1_TX].bch = &hw->bch[0];
+ hw->fifos[HFCUSB_B1_RX].bch = &hw->bch[0];
+ hw->fifos[HFCUSB_B2_TX].bch = &hw->bch[1];
+ hw->fifos[HFCUSB_B2_RX].bch = &hw->bch[1];
+ hw->fifos[HFCUSB_D_TX].dch = &hw->dch;
+ hw->fifos[HFCUSB_D_RX].dch = &hw->dch;
+ hw->fifos[HFCUSB_PCM_RX].ech = &hw->ech;
+ hw->fifos[HFCUSB_PCM_TX].ech = &hw->ech;
+
+ err = setup_hfcsusb(hw);
+ if (err)
+ goto out;
+
+ snprintf(hw->name, MISDN_MAX_IDLEN - 1, "%s.%d", DRIVER_NAME,
+ hfcsusb_cnt + 1);
+ printk(KERN_INFO "%s: registered as '%s'\n",
+ DRIVER_NAME, hw->name);
+
+ err = mISDN_register_device(&hw->dch.dev, parent, hw->name);
+ if (err)
+ goto out;
+
+ hfcsusb_cnt++;
+ write_lock_irqsave(&HFClock, flags);
+ list_add_tail(&hw->list, &HFClist);
+ write_unlock_irqrestore(&HFClock, flags);
+ return 0;
+
+out:
+ mISDN_freebchannel(&hw->bch[1]);
+ mISDN_freebchannel(&hw->bch[0]);
+ mISDN_freedchannel(&hw->dch);
+ kfree(hw);
+ return err;
+}
+
+static int
+hfcsusb_probe(struct usb_interface *intf, const struct usb_device_id *id)
+{
+ struct hfcsusb *hw;
+ struct usb_device *dev = interface_to_usbdev(intf);
+ struct usb_host_interface *iface = intf->cur_altsetting;
+ struct usb_host_interface *iface_used = NULL;
+ struct usb_host_endpoint *ep;
+ struct hfcsusb_vdata *driver_info;
+ int ifnum = iface->desc.bInterfaceNumber, i, idx, alt_idx,
+ probe_alt_setting, vend_idx, cfg_used, *vcf, attr, cfg_found,
+ ep_addr, cmptbl[16], small_match, iso_packet_size, packet_size,
+ alt_used = 0;
+
+ vend_idx = 0xffff;
+ for (i = 0; hfcsusb_idtab[i].idVendor; i++) {
+ if ((le16_to_cpu(dev->descriptor.idVendor)
+ == hfcsusb_idtab[i].idVendor) &&
+ (le16_to_cpu(dev->descriptor.idProduct)
+ == hfcsusb_idtab[i].idProduct)) {
+ vend_idx = i;
+ continue;
+ }
+ }
+
+ printk(KERN_DEBUG
+ "%s: interface(%d) actalt(%d) minor(%d) vend_idx(%d)\n",
+ __func__, ifnum, iface->desc.bAlternateSetting,
+ intf->minor, vend_idx);
+
+ if (vend_idx == 0xffff) {
+ printk(KERN_WARNING
+ "%s: no valid vendor found in USB descriptor\n",
+ __func__);
+ return -EIO;
+ }
+ /* if vendor and product ID is OK, start probing alternate settings */
+ alt_idx = 0;
+ small_match = -1;
+
+ /* default settings */
+ iso_packet_size = 16;
+ packet_size = 64;
+
+ while (alt_idx < intf->num_altsetting) {
+ iface = intf->altsetting + alt_idx;
+ probe_alt_setting = iface->desc.bAlternateSetting;
+ cfg_used = 0;
+
+ while (validconf[cfg_used][0]) {
+ cfg_found = 1;
+ vcf = validconf[cfg_used];
+ ep = iface->endpoint;
+ memcpy(cmptbl, vcf, 16 * sizeof(int));
+
+ /* check for all endpoints in this alternate setting */
+ for (i = 0; i < iface->desc.bNumEndpoints; i++) {
+ ep_addr = ep->desc.bEndpointAddress;
+
+ /* get endpoint base */
+ idx = ((ep_addr & 0x7f) - 1) * 2;
+ if (ep_addr & 0x80)
+ idx++;
+ attr = ep->desc.bmAttributes;
+
+ if (cmptbl[idx] != EP_NOP) {
+ if (cmptbl[idx] == EP_NUL)
+ cfg_found = 0;
+ if (attr == USB_ENDPOINT_XFER_INT
+ && cmptbl[idx] == EP_INT)
+ cmptbl[idx] = EP_NUL;
+ if (attr == USB_ENDPOINT_XFER_BULK
+ && cmptbl[idx] == EP_BLK)
+ cmptbl[idx] = EP_NUL;
+ if (attr == USB_ENDPOINT_XFER_ISOC
+ && cmptbl[idx] == EP_ISO)
+ cmptbl[idx] = EP_NUL;
+
+ if (attr == USB_ENDPOINT_XFER_INT &&
+ ep->desc.bInterval < vcf[17]) {
+ cfg_found = 0;
+ }
+ }
+ ep++;
+ }
+
+ for (i = 0; i < 16; i++)
+ if (cmptbl[i] != EP_NOP && cmptbl[i] != EP_NUL)
+ cfg_found = 0;
+
+ if (cfg_found) {
+ if (small_match < cfg_used) {
+ small_match = cfg_used;
+ alt_used = probe_alt_setting;
+ iface_used = iface;
+ }
+ }
+ cfg_used++;
+ }
+ alt_idx++;
+ } /* (alt_idx < intf->num_altsetting) */
+
+ /* not found a valid USB Ta Endpoint config */
+ if (small_match == -1)
+ return -EIO;
+
+ iface = iface_used;
+ hw = kzalloc(sizeof(struct hfcsusb), GFP_KERNEL);
+ if (!hw)
+ return -ENOMEM; /* got no mem */
+ snprintf(hw->name, MISDN_MAX_IDLEN - 1, "%s", DRIVER_NAME);
+
+ ep = iface->endpoint;
+ vcf = validconf[small_match];
+
+ for (i = 0; i < iface->desc.bNumEndpoints; i++) {
+ struct usb_fifo *f;
+
+ ep_addr = ep->desc.bEndpointAddress;
+ /* get endpoint base */
+ idx = ((ep_addr & 0x7f) - 1) * 2;
+ if (ep_addr & 0x80)
+ idx++;
+ f = &hw->fifos[idx & 7];
+
+ /* init Endpoints */
+ if (vcf[idx] == EP_NOP || vcf[idx] == EP_NUL) {
+ ep++;
+ continue;
+ }
+ switch (ep->desc.bmAttributes) {
+ case USB_ENDPOINT_XFER_INT:
+ f->pipe = usb_rcvintpipe(dev,
+ ep->desc.bEndpointAddress);
+ f->usb_transfer_mode = USB_INT;
+ packet_size = le16_to_cpu(ep->desc.wMaxPacketSize);
+ break;
+ case USB_ENDPOINT_XFER_BULK:
+ if (ep_addr & 0x80)
+ f->pipe = usb_rcvbulkpipe(dev,
+ ep->desc.bEndpointAddress);
+ else
+ f->pipe = usb_sndbulkpipe(dev,
+ ep->desc.bEndpointAddress);
+ f->usb_transfer_mode = USB_BULK;
+ packet_size = le16_to_cpu(ep->desc.wMaxPacketSize);
+ break;
+ case USB_ENDPOINT_XFER_ISOC:
+ if (ep_addr & 0x80)
+ f->pipe = usb_rcvisocpipe(dev,
+ ep->desc.bEndpointAddress);
+ else
+ f->pipe = usb_sndisocpipe(dev,
+ ep->desc.bEndpointAddress);
+ f->usb_transfer_mode = USB_ISOC;
+ iso_packet_size = le16_to_cpu(ep->desc.wMaxPacketSize);
+ break;
+ default:
+ f->pipe = 0;
+ }
+
+ if (f->pipe) {
+ f->fifonum = idx & 7;
+ f->hw = hw;
+ f->usb_packet_maxlen =
+ le16_to_cpu(ep->desc.wMaxPacketSize);
+ f->intervall = ep->desc.bInterval;
+ }
+ ep++;
+ }
+ hw->dev = dev; /* save device */
+ hw->if_used = ifnum; /* save used interface */
+ hw->alt_used = alt_used; /* and alternate config */
+ hw->ctrl_paksize = dev->descriptor.bMaxPacketSize0; /* control size */
+ hw->cfg_used = vcf[16]; /* store used config */
+ hw->vend_idx = vend_idx; /* store found vendor */
+ hw->packet_size = packet_size;
+ hw->iso_packet_size = iso_packet_size;
+
+ /* create the control pipes needed for register access */
+ hw->ctrl_in_pipe = usb_rcvctrlpipe(hw->dev, 0);
+ hw->ctrl_out_pipe = usb_sndctrlpipe(hw->dev, 0);
+ hw->ctrl_urb = usb_alloc_urb(0, GFP_KERNEL);
+
+ driver_info =
+ (struct hfcsusb_vdata *)hfcsusb_idtab[vend_idx].driver_info;
+ printk(KERN_DEBUG "%s: %s: detected \"%s\" (%s, if=%d alt=%d)\n",
+ hw->name, __func__, driver_info->vend_name,
+ conf_str[small_match], ifnum, alt_used);
+
+ if (setup_instance(hw, dev->dev.parent))
+ return -EIO;
+
+ hw->intf = intf;
+ usb_set_intfdata(hw->intf, hw);
+ return 0;
+}
+
+/* function called when an active device is removed */
+static void
+hfcsusb_disconnect(struct usb_interface *intf)
+{
+ struct hfcsusb *hw = usb_get_intfdata(intf);
+ struct hfcsusb *next;
+ int cnt = 0;
+
+ printk(KERN_INFO "%s: device disconnected\n", hw->name);
+
+ handle_led(hw, LED_POWER_OFF);
+ release_hw(hw);
+
+ list_for_each_entry_safe(hw, next, &HFClist, list)
+ cnt++;
+ if (!cnt)
+ hfcsusb_cnt = 0;
+
+ usb_set_intfdata(intf, NULL);
+}
+
+static struct usb_driver hfcsusb_drv = {
+ .name = DRIVER_NAME,
+ .id_table = hfcsusb_idtab,
+ .probe = hfcsusb_probe,
+ .disconnect = hfcsusb_disconnect,
+};
+
+static int __init
+hfcsusb_init(void)
+{
+ printk(KERN_INFO DRIVER_NAME " driver Rev. %s debug(0x%x) poll(%i)\n",
+ hfcsusb_rev, debug, poll);
+
+ if (usb_register(&hfcsusb_drv)) {
+ printk(KERN_INFO DRIVER_NAME
+ ": Unable to register hfcsusb module at usb stack\n");
+ return -ENODEV;
+ }
+
+ return 0;
+}
+
+static void __exit
+hfcsusb_cleanup(void)
+{
+ if (debug & DBG_HFC_CALL_TRACE)
+ printk(KERN_INFO DRIVER_NAME ": %s\n", __func__);
+
+ /* unregister Hardware */
+ usb_deregister(&hfcsusb_drv); /* release our driver */
+}
+
+module_init(hfcsusb_init);
+module_exit(hfcsusb_cleanup);
diff --git a/drivers/isdn/hardware/mISDN/hfcsusb.h b/drivers/isdn/hardware/mISDN/hfcsusb.h
new file mode 100644
index 00000000000..098486b8e8d
--- /dev/null
+++ b/drivers/isdn/hardware/mISDN/hfcsusb.h
@@ -0,0 +1,418 @@
+/*
+ * hfcsusb.h, HFC-S USB mISDN driver
+ */
+
+#ifndef __HFCSUSB_H__
+#define __HFCSUSB_H__
+
+
+#define DRIVER_NAME "HFC-S_USB"
+
+#define DBG_HFC_CALL_TRACE 0x00010000
+#define DBG_HFC_FIFO_VERBOSE 0x00020000
+#define DBG_HFC_USB_VERBOSE 0x00100000
+#define DBG_HFC_URB_INFO 0x00200000
+#define DBG_HFC_URB_ERROR 0x00400000
+
+#define DEFAULT_TRANSP_BURST_SZ 128
+
+#define HFC_CTRL_TIMEOUT 20 /* 5ms timeout writing/reading regs */
+#define CLKDEL_TE 0x0f /* CLKDEL in TE mode */
+#define CLKDEL_NT 0x6c /* CLKDEL in NT mode */
+
+/* hfcsusb Layer1 commands */
+#define HFC_L1_ACTIVATE_TE 1
+#define HFC_L1_ACTIVATE_NT 2
+#define HFC_L1_DEACTIVATE_NT 3
+#define HFC_L1_FORCE_DEACTIVATE_TE 4
+
+/* cmd FLAGS in HFCUSB_STATES register */
+#define HFCUSB_LOAD_STATE 0x10
+#define HFCUSB_ACTIVATE 0x20
+#define HFCUSB_DO_ACTION 0x40
+#define HFCUSB_NT_G2_G3 0x80
+
+/* timers */
+#define NT_ACTIVATION_TIMER 0x01 /* enables NT mode activation Timer */
+#define NT_T1_COUNT 10
+
+#define MAX_BCH_SIZE 2048 /* allowed B-channel packet size */
+
+#define HFCUSB_RX_THRESHOLD 64 /* threshold for fifo report bit rx */
+#define HFCUSB_TX_THRESHOLD 96 /* threshold for fifo report bit tx */
+
+#define HFCUSB_CHIP_ID 0x16 /* Chip ID register index */
+#define HFCUSB_CIRM 0x00 /* cirm register index */
+#define HFCUSB_USB_SIZE 0x07 /* int length register */
+#define HFCUSB_USB_SIZE_I 0x06 /* iso length register */
+#define HFCUSB_F_CROSS 0x0b /* bit order register */
+#define HFCUSB_CLKDEL 0x37 /* bit delay register */
+#define HFCUSB_CON_HDLC 0xfa /* channel connect register */
+#define HFCUSB_HDLC_PAR 0xfb
+#define HFCUSB_SCTRL 0x31 /* S-bus control register (tx) */
+#define HFCUSB_SCTRL_E 0x32 /* same for E and special funcs */
+#define HFCUSB_SCTRL_R 0x33 /* S-bus control register (rx) */
+#define HFCUSB_F_THRES 0x0c /* threshold register */
+#define HFCUSB_FIFO 0x0f /* fifo select register */
+#define HFCUSB_F_USAGE 0x1a /* fifo usage register */
+#define HFCUSB_MST_MODE0 0x14
+#define HFCUSB_MST_MODE1 0x15
+#define HFCUSB_P_DATA 0x1f
+#define HFCUSB_INC_RES_F 0x0e
+#define HFCUSB_B1_SSL 0x20
+#define HFCUSB_B2_SSL 0x21
+#define HFCUSB_B1_RSL 0x24
+#define HFCUSB_B2_RSL 0x25
+#define HFCUSB_STATES 0x30
+
+
+#define HFCUSB_CHIPID 0x40 /* ID value of HFC-S USB */
+
+/* fifo registers */
+#define HFCUSB_NUM_FIFOS 8 /* maximum number of fifos */
+#define HFCUSB_B1_TX 0 /* index for B1 transmit bulk/int */
+#define HFCUSB_B1_RX 1 /* index for B1 receive bulk/int */
+#define HFCUSB_B2_TX 2
+#define HFCUSB_B2_RX 3
+#define HFCUSB_D_TX 4
+#define HFCUSB_D_RX 5
+#define HFCUSB_PCM_TX 6
+#define HFCUSB_PCM_RX 7
+
+
+#define USB_INT 0
+#define USB_BULK 1
+#define USB_ISOC 2
+
+#define ISOC_PACKETS_D 8
+#define ISOC_PACKETS_B 8
+#define ISO_BUFFER_SIZE 128
+
+/* defines how much ISO packets are handled in one URB */
+static int iso_packets[8] =
+ { ISOC_PACKETS_B, ISOC_PACKETS_B, ISOC_PACKETS_B, ISOC_PACKETS_B,
+ ISOC_PACKETS_D, ISOC_PACKETS_D, ISOC_PACKETS_D, ISOC_PACKETS_D
+};
+
+
+/* Fifo flow Control for TX ISO */
+#define SINK_MAX 68
+#define SINK_MIN 48
+#define SINK_DMIN 12
+#define SINK_DMAX 18
+#define BITLINE_INF (-96*8)
+
+/* HFC-S USB register access by Control-URSs */
+#define write_reg_atomic(a, b, c) \
+ usb_control_msg((a)->dev, (a)->ctrl_out_pipe, 0, 0x40, (c), (b), \
+ 0, 0, HFC_CTRL_TIMEOUT)
+#define read_reg_atomic(a, b, c) \
+ usb_control_msg((a)->dev, (a)->ctrl_in_pipe, 1, 0xC0, 0, (b), (c), \
+ 1, HFC_CTRL_TIMEOUT)
+#define HFC_CTRL_BUFSIZE 64
+
+struct ctrl_buf {
+ __u8 hfcs_reg; /* register number */
+ __u8 reg_val; /* value to be written (or read) */
+};
+
+/*
+ * URB error codes
+ * Used to represent a list of values and their respective symbolic names
+ */
+struct hfcusb_symbolic_list {
+ const int num;
+ const char *name;
+};
+
+static struct hfcusb_symbolic_list urb_errlist[] = {
+ {-ENOMEM, "No memory for allocation of internal structures"},
+ {-ENOSPC, "The host controller's bandwidth is already consumed"},
+ {-ENOENT, "URB was canceled by unlink_urb"},
+ {-EXDEV, "ISO transfer only partially completed"},
+ {-EAGAIN, "Too match scheduled for the future"},
+ {-ENXIO, "URB already queued"},
+ {-EFBIG, "Too much ISO frames requested"},
+ {-ENOSR, "Buffer error (overrun)"},
+ {-EPIPE, "Specified endpoint is stalled (device not responding)"},
+ {-EOVERFLOW, "Babble (bad cable?)"},
+ {-EPROTO, "Bit-stuff error (bad cable?)"},
+ {-EILSEQ, "CRC/Timeout"},
+ {-ETIMEDOUT, "NAK (device does not respond)"},
+ {-ESHUTDOWN, "Device unplugged"},
+ {-1, NULL}
+};
+
+static inline const char *
+symbolic(struct hfcusb_symbolic_list list[], const int num)
+{
+ int i;
+ for (i = 0; list[i].name != NULL; i++)
+ if (list[i].num == num)
+ return list[i].name;
+ return "<unkown USB Error>";
+}
+
+/* USB descriptor need to contain one of the following EndPoint combination: */
+#define CNF_4INT3ISO 1 /* 4 INT IN, 3 ISO OUT */
+#define CNF_3INT3ISO 2 /* 3 INT IN, 3 ISO OUT */
+#define CNF_4ISO3ISO 3 /* 4 ISO IN, 3 ISO OUT */
+#define CNF_3ISO3ISO 4 /* 3 ISO IN, 3 ISO OUT */
+
+#define EP_NUL 1 /* Endpoint at this position not allowed */
+#define EP_NOP 2 /* all type of endpoints allowed at this position */
+#define EP_ISO 3 /* Isochron endpoint mandatory at this position */
+#define EP_BLK 4 /* Bulk endpoint mandatory at this position */
+#define EP_INT 5 /* Interrupt endpoint mandatory at this position */
+
+#define HFC_CHAN_B1 0
+#define HFC_CHAN_B2 1
+#define HFC_CHAN_D 2
+#define HFC_CHAN_E 3
+
+
+/*
+ * List of all supported enpoints configiration sets, used to find the
+ * best matching endpoint configuration within a devices' USB descriptor.
+ * We need at least 3 RX endpoints, and 3 TX endpoints, either
+ * INT-in and ISO-out, or ISO-in and ISO-out)
+ * with 4 RX endpoints even E-Channel logging is possible
+ */
+static int
+validconf[][19] = {
+ /* INT in, ISO out config */
+ {EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NOP, EP_INT,
+ EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_NUL, EP_NUL,
+ CNF_4INT3ISO, 2, 1},
+ {EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NUL, EP_INT, EP_NUL, EP_NUL,
+ EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_ISO, EP_NUL, EP_NUL, EP_NUL,
+ CNF_3INT3ISO, 2, 0},
+ /* ISO in, ISO out config */
+ {EP_NOP, EP_NOP, EP_NOP, EP_NOP, EP_NOP, EP_NOP, EP_NOP, EP_NOP,
+ EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_NOP, EP_ISO,
+ CNF_4ISO3ISO, 2, 1},
+ {EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL, EP_NUL,
+ EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_ISO, EP_NUL, EP_NUL,
+ CNF_3ISO3ISO, 2, 0},
+ {0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0, 0} /* EOL element */
+};
+
+/* string description of chosen config */
+char *conf_str[] = {
+ "4 Interrupt IN + 3 Isochron OUT",
+ "3 Interrupt IN + 3 Isochron OUT",
+ "4 Isochron IN + 3 Isochron OUT",
+ "3 Isochron IN + 3 Isochron OUT"
+};
+
+
+#define LED_OFF 0 /* no LED support */
+#define LED_SCHEME1 1 /* LED standard scheme */
+#define LED_SCHEME2 2 /* not used yet... */
+
+#define LED_POWER_ON 1
+#define LED_POWER_OFF 2
+#define LED_S0_ON 3
+#define LED_S0_OFF 4
+#define LED_B1_ON 5
+#define LED_B1_OFF 6
+#define LED_B1_DATA 7
+#define LED_B2_ON 8
+#define LED_B2_OFF 9
+#define LED_B2_DATA 10
+
+#define LED_NORMAL 0 /* LEDs are normal */
+#define LED_INVERTED 1 /* LEDs are inverted */
+
+/* time in ms to perform a Flashing LED when B-Channel has traffic */
+#define LED_TIME 250
+
+
+
+struct hfcsusb;
+struct usb_fifo;
+
+/* structure defining input+output fifos (interrupt/bulk mode) */
+struct iso_urb {
+ struct urb *urb;
+ __u8 buffer[ISO_BUFFER_SIZE]; /* buffer rx/tx USB URB data */
+ struct usb_fifo *owner_fifo; /* pointer to owner fifo */
+ __u8 indx; /* Fifos's ISO double buffer 0 or 1 ? */
+#ifdef ISO_FRAME_START_DEBUG
+ int start_frames[ISO_FRAME_START_RING_COUNT];
+ __u8 iso_frm_strt_pos; /* index in start_frame[] */
+#endif
+};
+
+struct usb_fifo {
+ int fifonum; /* fifo index attached to this structure */
+ int active; /* fifo is currently active */
+ struct hfcsusb *hw; /* pointer to main structure */
+ int pipe; /* address of endpoint */
+ __u8 usb_packet_maxlen; /* maximum length for usb transfer */
+ unsigned int max_size; /* maximum size of receive/send packet */
+ __u8 intervall; /* interrupt interval */
+ struct urb *urb; /* transfer structure for usb routines */
+ __u8 buffer[128]; /* buffer USB INT OUT URB data */
+ int bit_line; /* how much bits are in the fifo? */
+
+ __u8 usb_transfer_mode; /* switched between ISO and INT */
+ struct iso_urb iso[2]; /* two urbs to have one always
+ one pending */
+
+ struct dchannel *dch; /* link to hfcsusb_t->dch */
+ struct bchannel *bch; /* link to hfcsusb_t->bch */
+ struct dchannel *ech; /* link to hfcsusb_t->ech, TODO: E-CHANNEL */
+ int last_urblen; /* remember length of last packet */
+ __u8 stop_gracefull; /* stops URB retransmission */
+};
+
+struct hfcsusb {
+ struct list_head list;
+ struct dchannel dch;
+ struct bchannel bch[2];
+ struct dchannel ech; /* TODO : wait for struct echannel ;) */
+
+ struct usb_device *dev; /* our device */
+ struct usb_interface *intf; /* used interface */
+ int if_used; /* used interface number */
+ int alt_used; /* used alternate config */
+ int cfg_used; /* configuration index used */
+ int vend_idx; /* index in hfcsusb_idtab */
+ int packet_size;
+ int iso_packet_size;
+ struct usb_fifo fifos[HFCUSB_NUM_FIFOS];
+
+ /* control pipe background handling */
+ struct ctrl_buf ctrl_buff[HFC_CTRL_BUFSIZE];
+ int ctrl_in_idx, ctrl_out_idx, ctrl_cnt;
+ struct urb *ctrl_urb;
+ struct usb_ctrlrequest ctrl_write;
+ struct usb_ctrlrequest ctrl_read;
+ int ctrl_paksize;
+ int ctrl_in_pipe, ctrl_out_pipe;
+ spinlock_t ctrl_lock; /* lock for ctrl */
+ spinlock_t lock;
+
+ __u8 threshold_mask;
+ __u8 led_state;
+
+ __u8 protocol;
+ int nt_timer;
+ int open;
+ __u8 timers;
+ __u8 initdone;
+ char name[MISDN_MAX_IDLEN];
+};
+
+/* private vendor specific data */
+struct hfcsusb_vdata {
+ __u8 led_scheme; /* led display scheme */
+ signed short led_bits[8]; /* array of 8 possible LED bitmask */
+ char *vend_name; /* device name */
+};
+
+
+#define HFC_MAX_TE_LAYER1_STATE 8
+#define HFC_MAX_NT_LAYER1_STATE 4
+
+const char *HFC_TE_LAYER1_STATES[HFC_MAX_TE_LAYER1_STATE + 1] = {
+ "TE F0 - Reset",
+ "TE F1 - Reset",
+ "TE F2 - Sensing",
+ "TE F3 - Deactivated",
+ "TE F4 - Awaiting signal",
+ "TE F5 - Identifying input",
+ "TE F6 - Synchronized",
+ "TE F7 - Activated",
+ "TE F8 - Lost framing",
+};
+
+const char *HFC_NT_LAYER1_STATES[HFC_MAX_NT_LAYER1_STATE + 1] = {
+ "NT G0 - Reset",
+ "NT G1 - Deactive",
+ "NT G2 - Pending activation",
+ "NT G3 - Active",
+ "NT G4 - Pending deactivation",
+};
+
+/* supported devices */
+static struct usb_device_id hfcsusb_idtab[] = {
+ {
+ USB_DEVICE(0x0959, 0x2bd0),
+ .driver_info = (unsigned long) &((struct hfcsusb_vdata)
+ {LED_OFF, {4, 0, 2, 1},
+ "ISDN USB TA (Cologne Chip HFC-S USB based)"}),
+ },
+ {
+ USB_DEVICE(0x0675, 0x1688),
+ .driver_info = (unsigned long) &((struct hfcsusb_vdata)
+ {LED_SCHEME1, {1, 2, 0, 0},
+ "DrayTek miniVigor 128 USB ISDN TA"}),
+ },
+ {
+ USB_DEVICE(0x07b0, 0x0007),
+ .driver_info = (unsigned long) &((struct hfcsusb_vdata)
+ {LED_SCHEME1, {0x80, -64, -32, -16},
+ "Billion tiny USB ISDN TA 128"}),
+ },
+ {
+ USB_DEVICE(0x0742, 0x2008),
+ .driver_info = (unsigned long) &((struct hfcsusb_vdata)
+ {LED_SCHEME1, {4, 0, 2, 1},
+ "Stollmann USB TA"}),
+ },
+ {
+ USB_DEVICE(0x0742, 0x2009),
+ .driver_info = (unsigned long) &((struct hfcsusb_vdata)
+ {LED_SCHEME1, {4, 0, 2, 1},
+ "Aceex USB ISDN TA"}),
+ },
+ {
+ USB_DEVICE(0x0742, 0x200A),
+ .driver_info = (unsigned long) &((struct hfcsusb_vdata)
+ {LED_SCHEME1, {4, 0, 2, 1},
+ "OEM USB ISDN TA"}),
+ },
+ {
+ USB_DEVICE(0x08e3, 0x0301),
+ .driver_info = (unsigned long) &((struct hfcsusb_vdata)
+ {LED_SCHEME1, {2, 0, 1, 4},
+ "Olitec USB RNIS"}),
+ },
+ {
+ USB_DEVICE(0x07fa, 0x0846),
+ .driver_info = (unsigned long) &((struct hfcsusb_vdata)
+ {LED_SCHEME1, {0x80, -64, -32, -16},
+ "Bewan Modem RNIS USB"}),
+ },
+ {
+ USB_DEVICE(0x07fa, 0x0847),
+ .driver_info = (unsigned long) &((struct hfcsusb_vdata)
+ {LED_SCHEME1, {0x80, -64, -32, -16},
+ "Djinn Numeris USB"}),
+ },
+ {
+ USB_DEVICE(0x07b0, 0x0006),
+ .driver_info = (unsigned long) &((struct hfcsusb_vdata)
+ {LED_SCHEME1, {0x80, -64, -32, -16},
+ "Twister ISDN TA"}),
+ },
+ {
+ USB_DEVICE(0x071d, 0x1005),
+ .driver_info = (unsigned long) &((struct hfcsusb_vdata)
+ {LED_SCHEME1, {0x02, 0, 0x01, 0x04},
+ "Eicon DIVA USB 4.0"}),
+ },
+ {
+ USB_DEVICE(0x0586, 0x0102),
+ .driver_info = (unsigned long) &((struct hfcsusb_vdata)
+ {LED_SCHEME1, {0x88, -64, -32, -16},
+ "ZyXEL OMNI.NET USB II"}),
+ },
+ { }
+};
+
+MODULE_DEVICE_TABLE(usb, hfcsusb_idtab);
+
+#endif /* __HFCSUSB_H__ */
generated by cgit v1.2.3 (git 2.25.1) at 2024-11-25 07:02:41 +0000