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path: root/drivers/isdn/hisax/w6692.c
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Diffstat (limited to 'drivers/isdn/hisax/w6692.c')
-rw-r--r--drivers/isdn/hisax/w6692.c1085
1 files changed, 0 insertions, 1085 deletions
diff --git a/drivers/isdn/hisax/w6692.c b/drivers/isdn/hisax/w6692.c
deleted file mode 100644
index 36eefaa3a7d9..000000000000
--- a/drivers/isdn/hisax/w6692.c
+++ /dev/null
@@ -1,1085 +0,0 @@
-/* $Id: w6692.c,v 1.18.2.4 2004/02/11 13:21:34 keil Exp $
- *
- * Winbond W6692 specific routines
- *
- * Author Petr Novak
- * Copyright by Petr Novak <petr.novak@i.cz>
- *
- * This software may be used and distributed according to the terms
- * of the GNU General Public License, incorporated herein by reference.
- *
- */
-
-#include <linux/init.h>
-#include "hisax.h"
-#include "w6692.h"
-#include "isdnl1.h"
-#include <linux/interrupt.h>
-#include <linux/pci.h>
-#include <linux/slab.h>
-
-/* table entry in the PCI devices list */
-typedef struct {
- int vendor_id;
- int device_id;
- char *vendor_name;
- char *card_name;
-} PCI_ENTRY;
-
-static const PCI_ENTRY id_list[] =
-{
- {PCI_VENDOR_ID_WINBOND2, PCI_DEVICE_ID_WINBOND2_6692, "Winbond", "W6692"},
- {PCI_VENDOR_ID_DYNALINK, PCI_DEVICE_ID_DYNALINK_IS64PH, "Dynalink/AsusCom", "IS64PH"},
- {0, 0, "U.S.Robotics", "ISDN PCI Card TA"}
-};
-
-#define W6692_SV_USR 0x16ec
-#define W6692_SD_USR 0x3409
-#define W6692_WINBOND 0
-#define W6692_DYNALINK 1
-#define W6692_USR 2
-
-static const char *w6692_revision = "$Revision: 1.18.2.4 $";
-
-#define DBUSY_TIMER_VALUE 80
-
-static char *W6692Ver[] =
-{"W6692 V00", "W6692 V01", "W6692 V10",
- "W6692 V11"};
-
-static void
-W6692Version(struct IsdnCardState *cs, char *s)
-{
- int val;
-
- val = cs->readW6692(cs, W_D_RBCH);
- printk(KERN_INFO "%s Winbond W6692 version (%x): %s\n", s, val, W6692Ver[(val >> 6) & 3]);
-}
-
-static void
-ph_command(struct IsdnCardState *cs, unsigned int command)
-{
- if (cs->debug & L1_DEB_ISAC)
- debugl1(cs, "ph_command %x", command);
- cs->writeisac(cs, W_CIX, command);
-}
-
-
-static void
-W6692_new_ph(struct IsdnCardState *cs)
-{
- switch (cs->dc.w6692.ph_state) {
- case (W_L1CMD_RST):
- ph_command(cs, W_L1CMD_DRC);
- l1_msg(cs, HW_RESET | INDICATION, NULL);
- /* fall through */
- case (W_L1IND_CD):
- l1_msg(cs, HW_DEACTIVATE | CONFIRM, NULL);
- break;
- case (W_L1IND_DRD):
- l1_msg(cs, HW_DEACTIVATE | INDICATION, NULL);
- break;
- case (W_L1IND_CE):
- l1_msg(cs, HW_POWERUP | CONFIRM, NULL);
- break;
- case (W_L1IND_LD):
- l1_msg(cs, HW_RSYNC | INDICATION, NULL);
- break;
- case (W_L1IND_ARD):
- l1_msg(cs, HW_INFO2 | INDICATION, NULL);
- break;
- case (W_L1IND_AI8):
- l1_msg(cs, HW_INFO4_P8 | INDICATION, NULL);
- break;
- case (W_L1IND_AI10):
- l1_msg(cs, HW_INFO4_P10 | INDICATION, NULL);
- break;
- default:
- break;
- }
-}
-
-static void
-W6692_bh(struct work_struct *work)
-{
- struct IsdnCardState *cs =
- container_of(work, struct IsdnCardState, tqueue);
- struct PStack *stptr;
-
- if (test_and_clear_bit(D_CLEARBUSY, &cs->event)) {
- if (cs->debug)
- debugl1(cs, "D-Channel Busy cleared");
- stptr = cs->stlist;
- while (stptr != NULL) {
- stptr->l1.l1l2(stptr, PH_PAUSE | CONFIRM, NULL);
- stptr = stptr->next;
- }
- }
- if (test_and_clear_bit(D_L1STATECHANGE, &cs->event))
- W6692_new_ph(cs);
- if (test_and_clear_bit(D_RCVBUFREADY, &cs->event))
- DChannel_proc_rcv(cs);
- if (test_and_clear_bit(D_XMTBUFREADY, &cs->event))
- DChannel_proc_xmt(cs);
-/*
- if (test_and_clear_bit(D_RX_MON1, &cs->event))
- arcofi_fsm(cs, ARCOFI_RX_END, NULL);
- if (test_and_clear_bit(D_TX_MON1, &cs->event))
- arcofi_fsm(cs, ARCOFI_TX_END, NULL);
-*/
-}
-
-static void
-W6692_empty_fifo(struct IsdnCardState *cs, int count)
-{
- u_char *ptr;
-
- if ((cs->debug & L1_DEB_ISAC) && !(cs->debug & L1_DEB_ISAC_FIFO))
- debugl1(cs, "W6692_empty_fifo");
-
- if ((cs->rcvidx + count) >= MAX_DFRAME_LEN_L1) {
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "W6692_empty_fifo overrun %d",
- cs->rcvidx + count);
- cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_RACK);
- cs->rcvidx = 0;
- return;
- }
- ptr = cs->rcvbuf + cs->rcvidx;
- cs->rcvidx += count;
- cs->readW6692fifo(cs, ptr, count);
- cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_RACK);
- if (cs->debug & L1_DEB_ISAC_FIFO) {
- char *t = cs->dlog;
-
- t += sprintf(t, "W6692_empty_fifo cnt %d", count);
- QuickHex(t, ptr, count);
- debugl1(cs, "%s", cs->dlog);
- }
-}
-
-static void
-W6692_fill_fifo(struct IsdnCardState *cs)
-{
- int count, more;
- u_char *ptr;
-
- if ((cs->debug & L1_DEB_ISAC) && !(cs->debug & L1_DEB_ISAC_FIFO))
- debugl1(cs, "W6692_fill_fifo");
-
- if (!cs->tx_skb)
- return;
-
- count = cs->tx_skb->len;
- if (count <= 0)
- return;
-
- more = 0;
- if (count > W_D_FIFO_THRESH) {
- more = !0;
- count = W_D_FIFO_THRESH;
- }
- ptr = cs->tx_skb->data;
- skb_pull(cs->tx_skb, count);
- cs->tx_cnt += count;
- cs->writeW6692fifo(cs, ptr, count);
- cs->writeW6692(cs, W_D_CMDR, more ? W_D_CMDR_XMS : (W_D_CMDR_XMS | W_D_CMDR_XME));
- if (test_and_set_bit(FLG_DBUSY_TIMER, &cs->HW_Flags)) {
- debugl1(cs, "W6692_fill_fifo dbusytimer running");
- del_timer(&cs->dbusytimer);
- }
- cs->dbusytimer.expires = jiffies + ((DBUSY_TIMER_VALUE * HZ) / 1000);
- add_timer(&cs->dbusytimer);
- if (cs->debug & L1_DEB_ISAC_FIFO) {
- char *t = cs->dlog;
-
- t += sprintf(t, "W6692_fill_fifo cnt %d", count);
- QuickHex(t, ptr, count);
- debugl1(cs, "%s", cs->dlog);
- }
-}
-
-static void
-W6692B_empty_fifo(struct BCState *bcs, int count)
-{
- u_char *ptr;
- struct IsdnCardState *cs = bcs->cs;
-
- if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
- debugl1(cs, "W6692B_empty_fifo");
-
- if (bcs->hw.w6692.rcvidx + count > HSCX_BUFMAX) {
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "W6692B_empty_fifo: incoming packet too large");
- cs->BC_Write_Reg(cs, bcs->channel, W_B_CMDR, W_B_CMDR_RACK | W_B_CMDR_RACT);
- bcs->hw.w6692.rcvidx = 0;
- return;
- }
- ptr = bcs->hw.w6692.rcvbuf + bcs->hw.w6692.rcvidx;
- bcs->hw.w6692.rcvidx += count;
- READW6692BFIFO(cs, bcs->channel, ptr, count);
- cs->BC_Write_Reg(cs, bcs->channel, W_B_CMDR, W_B_CMDR_RACK | W_B_CMDR_RACT);
- if (cs->debug & L1_DEB_HSCX_FIFO) {
- char *t = bcs->blog;
-
- t += sprintf(t, "W6692B_empty_fifo %c cnt %d",
- bcs->channel + '1', count);
- QuickHex(t, ptr, count);
- debugl1(cs, "%s", bcs->blog);
- }
-}
-
-static void
-W6692B_fill_fifo(struct BCState *bcs)
-{
- struct IsdnCardState *cs = bcs->cs;
- int more, count;
- u_char *ptr;
-
- if (!bcs->tx_skb)
- return;
- if (bcs->tx_skb->len <= 0)
- return;
-
- more = (bcs->mode == L1_MODE_TRANS) ? 1 : 0;
- if (bcs->tx_skb->len > W_B_FIFO_THRESH) {
- more = 1;
- count = W_B_FIFO_THRESH;
- } else
- count = bcs->tx_skb->len;
-
- if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
- debugl1(cs, "W6692B_fill_fifo%s%d", (more ? " " : " last "), count);
-
- ptr = bcs->tx_skb->data;
- skb_pull(bcs->tx_skb, count);
- bcs->tx_cnt -= count;
- bcs->hw.w6692.count += count;
- WRITEW6692BFIFO(cs, bcs->channel, ptr, count);
- cs->BC_Write_Reg(cs, bcs->channel, W_B_CMDR, W_B_CMDR_RACT | W_B_CMDR_XMS | (more ? 0 : W_B_CMDR_XME));
- if (cs->debug & L1_DEB_HSCX_FIFO) {
- char *t = bcs->blog;
-
- t += sprintf(t, "W6692B_fill_fifo %c cnt %d",
- bcs->channel + '1', count);
- QuickHex(t, ptr, count);
- debugl1(cs, "%s", bcs->blog);
- }
-}
-
-static void
-W6692B_interrupt(struct IsdnCardState *cs, u_char bchan)
-{
- u_char val;
- u_char r;
- struct BCState *bcs;
- struct sk_buff *skb;
- int count;
-
- bcs = (cs->bcs->channel == bchan) ? cs->bcs : (cs->bcs + 1);
- val = cs->BC_Read_Reg(cs, bchan, W_B_EXIR);
- debugl1(cs, "W6692B chan %d B_EXIR 0x%02X", bchan, val);
-
- if (!test_bit(BC_FLG_INIT, &bcs->Flag)) {
- debugl1(cs, "W6692B not INIT yet");
- return;
- }
- if (val & W_B_EXI_RME) { /* RME */
- r = cs->BC_Read_Reg(cs, bchan, W_B_STAR);
- if (r & (W_B_STAR_RDOV | W_B_STAR_CRCE | W_B_STAR_RMB)) {
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "W6692 B STAR %x", r);
- if ((r & W_B_STAR_RDOV) && bcs->mode)
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "W6692 B RDOV mode=%d",
- bcs->mode);
- if (r & W_B_STAR_CRCE)
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "W6692 B CRC error");
- cs->BC_Write_Reg(cs, bchan, W_B_CMDR, W_B_CMDR_RACK | W_B_CMDR_RRST | W_B_CMDR_RACT);
- } else {
- count = cs->BC_Read_Reg(cs, bchan, W_B_RBCL) & (W_B_FIFO_THRESH - 1);
- if (count == 0)
- count = W_B_FIFO_THRESH;
- W6692B_empty_fifo(bcs, count);
- if ((count = bcs->hw.w6692.rcvidx) > 0) {
- if (cs->debug & L1_DEB_HSCX_FIFO)
- debugl1(cs, "W6692 Bchan Frame %d", count);
- if (!(skb = dev_alloc_skb(count)))
- printk(KERN_WARNING "W6692: Bchan receive out of memory\n");
- else {
- skb_put_data(skb,
- bcs->hw.w6692.rcvbuf,
- count);
- skb_queue_tail(&bcs->rqueue, skb);
- }
- }
- }
- bcs->hw.w6692.rcvidx = 0;
- schedule_event(bcs, B_RCVBUFREADY);
- }
- if (val & W_B_EXI_RMR) { /* RMR */
- W6692B_empty_fifo(bcs, W_B_FIFO_THRESH);
- r = cs->BC_Read_Reg(cs, bchan, W_B_STAR);
- if (r & W_B_STAR_RDOV) {
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "W6692 B RDOV(RMR) mode=%d", bcs->mode);
- cs->BC_Write_Reg(cs, bchan, W_B_CMDR, W_B_CMDR_RACK | W_B_CMDR_RRST | W_B_CMDR_RACT);
- if (bcs->mode != L1_MODE_TRANS)
- bcs->hw.w6692.rcvidx = 0;
- }
- if (bcs->mode == L1_MODE_TRANS) {
- /* receive audio data */
- if (!(skb = dev_alloc_skb(W_B_FIFO_THRESH)))
- printk(KERN_WARNING "HiSax: receive out of memory\n");
- else {
- skb_put_data(skb, bcs->hw.w6692.rcvbuf,
- W_B_FIFO_THRESH);
- skb_queue_tail(&bcs->rqueue, skb);
- }
- bcs->hw.w6692.rcvidx = 0;
- schedule_event(bcs, B_RCVBUFREADY);
- }
- }
- if (val & W_B_EXI_XDUN) { /* XDUN */
- cs->BC_Write_Reg(cs, bchan, W_B_CMDR, W_B_CMDR_XRST | W_B_CMDR_RACT);
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "W6692 B EXIR %x Lost TX", val);
- if (bcs->mode == 1)
- W6692B_fill_fifo(bcs);
- else {
- /* Here we lost an TX interrupt, so
- * restart transmitting the whole frame.
- */
- if (bcs->tx_skb) {
- skb_push(bcs->tx_skb, bcs->hw.w6692.count);
- bcs->tx_cnt += bcs->hw.w6692.count;
- bcs->hw.w6692.count = 0;
- }
- }
- return;
- }
- if (val & W_B_EXI_XFR) { /* XFR */
- r = cs->BC_Read_Reg(cs, bchan, W_B_STAR);
- if (r & W_B_STAR_XDOW) {
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "W6692 B STAR %x XDOW", r);
- cs->BC_Write_Reg(cs, bchan, W_B_CMDR, W_B_CMDR_XRST | W_B_CMDR_RACT);
- if (bcs->tx_skb && (bcs->mode != 1)) {
- skb_push(bcs->tx_skb, bcs->hw.w6692.count);
- bcs->tx_cnt += bcs->hw.w6692.count;
- bcs->hw.w6692.count = 0;
- }
- }
- if (bcs->tx_skb) {
- if (bcs->tx_skb->len) {
- W6692B_fill_fifo(bcs);
- return;
- } else {
- if (test_bit(FLG_LLI_L1WAKEUP, &bcs->st->lli.flag) &&
- (PACKET_NOACK != bcs->tx_skb->pkt_type)) {
- u_long flags;
- spin_lock_irqsave(&bcs->aclock, flags);
- bcs->ackcnt += bcs->hw.w6692.count;
- spin_unlock_irqrestore(&bcs->aclock, flags);
- schedule_event(bcs, B_ACKPENDING);
- }
- dev_kfree_skb_irq(bcs->tx_skb);
- bcs->hw.w6692.count = 0;
- bcs->tx_skb = NULL;
- }
- }
- if ((bcs->tx_skb = skb_dequeue(&bcs->squeue))) {
- bcs->hw.w6692.count = 0;
- test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
- W6692B_fill_fifo(bcs);
- } else {
- test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
- schedule_event(bcs, B_XMTBUFREADY);
- }
- }
-}
-
-static irqreturn_t
-W6692_interrupt(int intno, void *dev_id)
-{
- struct IsdnCardState *cs = dev_id;
- u_char val, exval, v1;
- struct sk_buff *skb;
- u_int count;
- u_long flags;
- int icnt = 5;
-
- spin_lock_irqsave(&cs->lock, flags);
- val = cs->readW6692(cs, W_ISTA);
- if (!val) {
- spin_unlock_irqrestore(&cs->lock, flags);
- return IRQ_NONE;
- }
-StartW6692:
- if (cs->debug & L1_DEB_ISAC)
- debugl1(cs, "W6692 ISTA %x", val);
-
- if (val & W_INT_D_RME) { /* RME */
- exval = cs->readW6692(cs, W_D_RSTA);
- if (exval & (W_D_RSTA_RDOV | W_D_RSTA_CRCE | W_D_RSTA_RMB)) {
- if (exval & W_D_RSTA_RDOV)
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "W6692 RDOV");
- if (exval & W_D_RSTA_CRCE)
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "W6692 D-channel CRC error");
- if (exval & W_D_RSTA_RMB)
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "W6692 D-channel ABORT");
- cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_RACK | W_D_CMDR_RRST);
- } else {
- count = cs->readW6692(cs, W_D_RBCL) & (W_D_FIFO_THRESH - 1);
- if (count == 0)
- count = W_D_FIFO_THRESH;
- W6692_empty_fifo(cs, count);
- if ((count = cs->rcvidx) > 0) {
- cs->rcvidx = 0;
- if (!(skb = alloc_skb(count, GFP_ATOMIC)))
- printk(KERN_WARNING "HiSax: D receive out of memory\n");
- else {
- skb_put_data(skb, cs->rcvbuf, count);
- skb_queue_tail(&cs->rq, skb);
- }
- }
- }
- cs->rcvidx = 0;
- schedule_event(cs, D_RCVBUFREADY);
- }
- if (val & W_INT_D_RMR) { /* RMR */
- W6692_empty_fifo(cs, W_D_FIFO_THRESH);
- }
- if (val & W_INT_D_XFR) { /* XFR */
- if (test_and_clear_bit(FLG_DBUSY_TIMER, &cs->HW_Flags))
- del_timer(&cs->dbusytimer);
- if (test_and_clear_bit(FLG_L1_DBUSY, &cs->HW_Flags))
- schedule_event(cs, D_CLEARBUSY);
- if (cs->tx_skb) {
- if (cs->tx_skb->len) {
- W6692_fill_fifo(cs);
- goto afterXFR;
- } else {
- dev_kfree_skb_irq(cs->tx_skb);
- cs->tx_cnt = 0;
- cs->tx_skb = NULL;
- }
- }
- if ((cs->tx_skb = skb_dequeue(&cs->sq))) {
- cs->tx_cnt = 0;
- W6692_fill_fifo(cs);
- } else
- schedule_event(cs, D_XMTBUFREADY);
- }
-afterXFR:
- if (val & (W_INT_XINT0 | W_INT_XINT1)) { /* XINT0/1 - never */
- if (cs->debug & L1_DEB_ISAC)
- debugl1(cs, "W6692 spurious XINT!");
- }
- if (val & W_INT_D_EXI) { /* EXI */
- exval = cs->readW6692(cs, W_D_EXIR);
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "W6692 D_EXIR %02x", exval);
- if (exval & (W_D_EXI_XDUN | W_D_EXI_XCOL)) { /* Transmit underrun/collision */
- debugl1(cs, "W6692 D-chan underrun/collision");
- printk(KERN_WARNING "HiSax: W6692 XDUN/XCOL\n");
- if (test_and_clear_bit(FLG_DBUSY_TIMER, &cs->HW_Flags))
- del_timer(&cs->dbusytimer);
- if (test_and_clear_bit(FLG_L1_DBUSY, &cs->HW_Flags))
- schedule_event(cs, D_CLEARBUSY);
- if (cs->tx_skb) { /* Restart frame */
- skb_push(cs->tx_skb, cs->tx_cnt);
- cs->tx_cnt = 0;
- W6692_fill_fifo(cs);
- } else {
- printk(KERN_WARNING "HiSax: W6692 XDUN/XCOL no skb\n");
- debugl1(cs, "W6692 XDUN/XCOL no skb");
- cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_XRST);
- }
- }
- if (exval & W_D_EXI_RDOV) { /* RDOV */
- debugl1(cs, "W6692 D-channel RDOV");
- printk(KERN_WARNING "HiSax: W6692 D-RDOV\n");
- cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_RRST);
- }
- if (exval & W_D_EXI_TIN2) { /* TIN2 - never */
- debugl1(cs, "W6692 spurious TIN2 interrupt");
- }
- if (exval & W_D_EXI_MOC) { /* MOC - not supported */
- debugl1(cs, "W6692 spurious MOC interrupt");
- v1 = cs->readW6692(cs, W_MOSR);
- debugl1(cs, "W6692 MOSR %02x", v1);
- }
- if (exval & W_D_EXI_ISC) { /* ISC - Level1 change */
- v1 = cs->readW6692(cs, W_CIR);
- if (cs->debug & L1_DEB_ISAC)
- debugl1(cs, "W6692 ISC CIR=0x%02X", v1);
- if (v1 & W_CIR_ICC) {
- cs->dc.w6692.ph_state = v1 & W_CIR_COD_MASK;
- if (cs->debug & L1_DEB_ISAC)
- debugl1(cs, "ph_state_change %x", cs->dc.w6692.ph_state);
- schedule_event(cs, D_L1STATECHANGE);
- }
- if (v1 & W_CIR_SCC) {
- v1 = cs->readW6692(cs, W_SQR);
- debugl1(cs, "W6692 SCC SQR=0x%02X", v1);
- }
- }
- if (exval & W_D_EXI_WEXP) {
- debugl1(cs, "W6692 spurious WEXP interrupt!");
- }
- if (exval & W_D_EXI_TEXP) {
- debugl1(cs, "W6692 spurious TEXP interrupt!");
- }
- }
- if (val & W_INT_B1_EXI) {
- debugl1(cs, "W6692 B channel 1 interrupt");
- W6692B_interrupt(cs, 0);
- }
- if (val & W_INT_B2_EXI) {
- debugl1(cs, "W6692 B channel 2 interrupt");
- W6692B_interrupt(cs, 1);
- }
- val = cs->readW6692(cs, W_ISTA);
- if (val && icnt) {
- icnt--;
- goto StartW6692;
- }
- if (!icnt) {
- printk(KERN_WARNING "W6692 IRQ LOOP\n");
- cs->writeW6692(cs, W_IMASK, 0xff);
- }
- spin_unlock_irqrestore(&cs->lock, flags);
- return IRQ_HANDLED;
-}
-
-static void
-W6692_l1hw(struct PStack *st, int pr, void *arg)
-{
- struct IsdnCardState *cs = (struct IsdnCardState *) st->l1.hardware;
- struct sk_buff *skb = arg;
- u_long flags;
- int val;
-
- switch (pr) {
- case (PH_DATA | REQUEST):
- if (cs->debug & DEB_DLOG_HEX)
- LogFrame(cs, skb->data, skb->len);
- if (cs->debug & DEB_DLOG_VERBOSE)
- dlogframe(cs, skb, 0);
- spin_lock_irqsave(&cs->lock, flags);
- if (cs->tx_skb) {
- skb_queue_tail(&cs->sq, skb);
-#ifdef L2FRAME_DEBUG /* psa */
- if (cs->debug & L1_DEB_LAPD)
- Logl2Frame(cs, skb, "PH_DATA Queued", 0);
-#endif
- } else {
- cs->tx_skb = skb;
- cs->tx_cnt = 0;
-#ifdef L2FRAME_DEBUG /* psa */
- if (cs->debug & L1_DEB_LAPD)
- Logl2Frame(cs, skb, "PH_DATA", 0);
-#endif
- W6692_fill_fifo(cs);
- }
- spin_unlock_irqrestore(&cs->lock, flags);
- break;
- case (PH_PULL | INDICATION):
- spin_lock_irqsave(&cs->lock, flags);
- if (cs->tx_skb) {
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, " l2l1 tx_skb exist this shouldn't happen");
- skb_queue_tail(&cs->sq, skb);
- spin_unlock_irqrestore(&cs->lock, flags);
- break;
- }
- if (cs->debug & DEB_DLOG_HEX)
- LogFrame(cs, skb->data, skb->len);
- if (cs->debug & DEB_DLOG_VERBOSE)
- dlogframe(cs, skb, 0);
- cs->tx_skb = skb;
- cs->tx_cnt = 0;
-#ifdef L2FRAME_DEBUG /* psa */
- if (cs->debug & L1_DEB_LAPD)
- Logl2Frame(cs, skb, "PH_DATA_PULLED", 0);
-#endif
- W6692_fill_fifo(cs);
- spin_unlock_irqrestore(&cs->lock, flags);
- break;
- case (PH_PULL | REQUEST):
-#ifdef L2FRAME_DEBUG /* psa */
- if (cs->debug & L1_DEB_LAPD)
- debugl1(cs, "-> PH_REQUEST_PULL");
-#endif
- if (!cs->tx_skb) {
- test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
- st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
- } else
- test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
- break;
- case (HW_RESET | REQUEST):
- spin_lock_irqsave(&cs->lock, flags);
- if (cs->dc.w6692.ph_state == W_L1IND_DRD) {
- ph_command(cs, W_L1CMD_ECK);
- spin_unlock_irqrestore(&cs->lock, flags);
- } else {
- ph_command(cs, W_L1CMD_RST);
- cs->dc.w6692.ph_state = W_L1CMD_RST;
- spin_unlock_irqrestore(&cs->lock, flags);
- W6692_new_ph(cs);
- }
- break;
- case (HW_ENABLE | REQUEST):
- spin_lock_irqsave(&cs->lock, flags);
- ph_command(cs, W_L1CMD_ECK);
- spin_unlock_irqrestore(&cs->lock, flags);
- break;
- case (HW_INFO3 | REQUEST):
- spin_lock_irqsave(&cs->lock, flags);
- ph_command(cs, W_L1CMD_AR8);
- spin_unlock_irqrestore(&cs->lock, flags);
- break;
- case (HW_TESTLOOP | REQUEST):
- val = 0;
- if (1 & (long) arg)
- val |= 0x0c;
- if (2 & (long) arg)
- val |= 0x3;
- /* !!! not implemented yet */
- break;
- case (HW_DEACTIVATE | RESPONSE):
- skb_queue_purge(&cs->rq);
- skb_queue_purge(&cs->sq);
- if (cs->tx_skb) {
- dev_kfree_skb_any(cs->tx_skb);
- cs->tx_skb = NULL;
- }
- if (test_and_clear_bit(FLG_DBUSY_TIMER, &cs->HW_Flags))
- del_timer(&cs->dbusytimer);
- if (test_and_clear_bit(FLG_L1_DBUSY, &cs->HW_Flags))
- schedule_event(cs, D_CLEARBUSY);
- break;
- default:
- if (cs->debug & L1_DEB_WARN)
- debugl1(cs, "W6692_l1hw unknown %04x", pr);
- break;
- }
-}
-
-static void
-setstack_W6692(struct PStack *st, struct IsdnCardState *cs)
-{
- st->l1.l1hw = W6692_l1hw;
-}
-
-static void
-DC_Close_W6692(struct IsdnCardState *cs)
-{
-}
-
-static void
-dbusy_timer_handler(struct timer_list *t)
-{
- struct IsdnCardState *cs = from_timer(cs, t, dbusytimer);
- struct PStack *stptr;
- int rbch, star;
- u_long flags;
-
- spin_lock_irqsave(&cs->lock, flags);
- if (test_bit(FLG_DBUSY_TIMER, &cs->HW_Flags)) {
- rbch = cs->readW6692(cs, W_D_RBCH);
- star = cs->readW6692(cs, W_D_STAR);
- if (cs->debug)
- debugl1(cs, "D-Channel Busy D_RBCH %02x D_STAR %02x",
- rbch, star);
- if (star & W_D_STAR_XBZ) { /* D-Channel Busy */
- test_and_set_bit(FLG_L1_DBUSY, &cs->HW_Flags);
- stptr = cs->stlist;
- while (stptr != NULL) {
- stptr->l1.l1l2(stptr, PH_PAUSE | INDICATION, NULL);
- stptr = stptr->next;
- }
- } else {
- /* discard frame; reset transceiver */
- test_and_clear_bit(FLG_DBUSY_TIMER, &cs->HW_Flags);
- if (cs->tx_skb) {
- dev_kfree_skb_any(cs->tx_skb);
- cs->tx_cnt = 0;
- cs->tx_skb = NULL;
- } else {
- printk(KERN_WARNING "HiSax: W6692 D-Channel Busy no skb\n");
- debugl1(cs, "D-Channel Busy no skb");
- }
- cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_XRST); /* Transmitter reset */
- spin_unlock_irqrestore(&cs->lock, flags);
- cs->irq_func(cs->irq, cs);
- return;
- }
- }
- spin_unlock_irqrestore(&cs->lock, flags);
-}
-
-static void
-W6692Bmode(struct BCState *bcs, int mode, int bchan)
-{
- struct IsdnCardState *cs = bcs->cs;
-
- if (cs->debug & L1_DEB_HSCX)
- debugl1(cs, "w6692 %c mode %d ichan %d",
- '1' + bchan, mode, bchan);
- bcs->mode = mode;
- bcs->channel = bchan;
- bcs->hw.w6692.bchan = bchan;
-
- switch (mode) {
- case (L1_MODE_NULL):
- cs->BC_Write_Reg(cs, bchan, W_B_MODE, 0);
- break;
- case (L1_MODE_TRANS):
- cs->BC_Write_Reg(cs, bchan, W_B_MODE, W_B_MODE_MMS);
- break;
- case (L1_MODE_HDLC):
- cs->BC_Write_Reg(cs, bchan, W_B_MODE, W_B_MODE_ITF);
- cs->BC_Write_Reg(cs, bchan, W_B_ADM1, 0xff);
- cs->BC_Write_Reg(cs, bchan, W_B_ADM2, 0xff);
- break;
- }
- if (mode)
- cs->BC_Write_Reg(cs, bchan, W_B_CMDR, W_B_CMDR_RRST |
- W_B_CMDR_RACT | W_B_CMDR_XRST);
- cs->BC_Write_Reg(cs, bchan, W_B_EXIM, 0x00);
-}
-
-static void
-W6692_l2l1(struct PStack *st, int pr, void *arg)
-{
- struct sk_buff *skb = arg;
- struct BCState *bcs = st->l1.bcs;
- u_long flags;
-
- switch (pr) {
- case (PH_DATA | REQUEST):
- spin_lock_irqsave(&bcs->cs->lock, flags);
- if (bcs->tx_skb) {
- skb_queue_tail(&bcs->squeue, skb);
- } else {
- bcs->tx_skb = skb;
- test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
- bcs->hw.w6692.count = 0;
- bcs->cs->BC_Send_Data(bcs);
- }
- spin_unlock_irqrestore(&bcs->cs->lock, flags);
- break;
- case (PH_PULL | INDICATION):
- if (bcs->tx_skb) {
- printk(KERN_WARNING "W6692_l2l1: this shouldn't happen\n");
- break;
- }
- spin_lock_irqsave(&bcs->cs->lock, flags);
- test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
- bcs->tx_skb = skb;
- bcs->hw.w6692.count = 0;
- bcs->cs->BC_Send_Data(bcs);
- spin_unlock_irqrestore(&bcs->cs->lock, flags);
- break;
- case (PH_PULL | REQUEST):
- if (!bcs->tx_skb) {
- test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
- st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
- } else
- test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
- break;
- case (PH_ACTIVATE | REQUEST):
- spin_lock_irqsave(&bcs->cs->lock, flags);
- test_and_set_bit(BC_FLG_ACTIV, &bcs->Flag);
- W6692Bmode(bcs, st->l1.mode, st->l1.bc);
- spin_unlock_irqrestore(&bcs->cs->lock, flags);
- l1_msg_b(st, pr, arg);
- break;
- case (PH_DEACTIVATE | REQUEST):
- l1_msg_b(st, pr, arg);
- break;
- case (PH_DEACTIVATE | CONFIRM):
- spin_lock_irqsave(&bcs->cs->lock, flags);
- test_and_clear_bit(BC_FLG_ACTIV, &bcs->Flag);
- test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
- W6692Bmode(bcs, 0, st->l1.bc);
- spin_unlock_irqrestore(&bcs->cs->lock, flags);
- st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL);
- break;
- }
-}
-
-static void
-close_w6692state(struct BCState *bcs)
-{
- W6692Bmode(bcs, 0, bcs->channel);
- if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
- kfree(bcs->hw.w6692.rcvbuf);
- bcs->hw.w6692.rcvbuf = NULL;
- kfree(bcs->blog);
- bcs->blog = NULL;
- skb_queue_purge(&bcs->rqueue);
- skb_queue_purge(&bcs->squeue);
- if (bcs->tx_skb) {
- dev_kfree_skb_any(bcs->tx_skb);
- bcs->tx_skb = NULL;
- test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
- }
- }
-}
-
-static int
-open_w6692state(struct IsdnCardState *cs, struct BCState *bcs)
-{
- if (!test_and_set_bit(BC_FLG_INIT, &bcs->Flag)) {
- if (!(bcs->hw.w6692.rcvbuf = kmalloc(HSCX_BUFMAX, GFP_ATOMIC))) {
- printk(KERN_WARNING
- "HiSax: No memory for w6692.rcvbuf\n");
- test_and_clear_bit(BC_FLG_INIT, &bcs->Flag);
- return (1);
- }
- if (!(bcs->blog = kmalloc(MAX_BLOG_SPACE, GFP_ATOMIC))) {
- printk(KERN_WARNING
- "HiSax: No memory for bcs->blog\n");
- test_and_clear_bit(BC_FLG_INIT, &bcs->Flag);
- kfree(bcs->hw.w6692.rcvbuf);
- bcs->hw.w6692.rcvbuf = NULL;
- return (2);
- }
- skb_queue_head_init(&bcs->rqueue);
- skb_queue_head_init(&bcs->squeue);
- }
- bcs->tx_skb = NULL;
- test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
- bcs->event = 0;
- bcs->hw.w6692.rcvidx = 0;
- bcs->tx_cnt = 0;
- return (0);
-}
-
-static int
-setstack_w6692(struct PStack *st, struct BCState *bcs)
-{
- bcs->channel = st->l1.bc;
- if (open_w6692state(st->l1.hardware, bcs))
- return (-1);
- st->l1.bcs = bcs;
- st->l2.l2l1 = W6692_l2l1;
- setstack_manager(st);
- bcs->st = st;
- setstack_l1_B(st);
- return (0);
-}
-
-static void resetW6692(struct IsdnCardState *cs)
-{
- cs->writeW6692(cs, W_D_CTL, W_D_CTL_SRST);
- mdelay(10);
- cs->writeW6692(cs, W_D_CTL, 0x00);
- mdelay(10);
- cs->writeW6692(cs, W_IMASK, 0xff);
- cs->writeW6692(cs, W_D_SAM, 0xff);
- cs->writeW6692(cs, W_D_TAM, 0xff);
- cs->writeW6692(cs, W_D_EXIM, 0x00);
- cs->writeW6692(cs, W_D_MODE, W_D_MODE_RACT);
- cs->writeW6692(cs, W_IMASK, 0x18);
- if (cs->subtyp == W6692_USR) {
- /* seems that USR implemented some power control features
- * Pin 79 is connected to the oscilator circuit so we
- * have to handle it here
- */
- cs->writeW6692(cs, W_PCTL, 0x80);
- cs->writeW6692(cs, W_XDATA, 0x00);
- }
-}
-
-static void initW6692(struct IsdnCardState *cs, int part)
-{
- if (part & 1) {
- cs->setstack_d = setstack_W6692;
- cs->DC_Close = DC_Close_W6692;
- timer_setup(&cs->dbusytimer, dbusy_timer_handler, 0);
- resetW6692(cs);
- ph_command(cs, W_L1CMD_RST);
- cs->dc.w6692.ph_state = W_L1CMD_RST;
- W6692_new_ph(cs);
- ph_command(cs, W_L1CMD_ECK);
-
- cs->bcs[0].BC_SetStack = setstack_w6692;
- cs->bcs[1].BC_SetStack = setstack_w6692;
- cs->bcs[0].BC_Close = close_w6692state;
- cs->bcs[1].BC_Close = close_w6692state;
- W6692Bmode(cs->bcs, 0, 0);
- W6692Bmode(cs->bcs + 1, 0, 0);
- }
- if (part & 2) {
- /* Reenable all IRQ */
- cs->writeW6692(cs, W_IMASK, 0x18);
- cs->writeW6692(cs, W_D_EXIM, 0x00);
- cs->BC_Write_Reg(cs, 0, W_B_EXIM, 0x00);
- cs->BC_Write_Reg(cs, 1, W_B_EXIM, 0x00);
- /* Reset D-chan receiver and transmitter */
- cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_RRST | W_D_CMDR_XRST);
- }
-}
-
-/* Interface functions */
-
-static u_char
-ReadW6692(struct IsdnCardState *cs, u_char offset)
-{
- return (inb(cs->hw.w6692.iobase + offset));
-}
-
-static void
-WriteW6692(struct IsdnCardState *cs, u_char offset, u_char value)
-{
- outb(value, cs->hw.w6692.iobase + offset);
-}
-
-static void
-ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
-{
- insb(cs->hw.w6692.iobase + W_D_RFIFO, data, size);
-}
-
-static void
-WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
-{
- outsb(cs->hw.w6692.iobase + W_D_XFIFO, data, size);
-}
-
-static u_char
-ReadW6692B(struct IsdnCardState *cs, int bchan, u_char offset)
-{
- return (inb(cs->hw.w6692.iobase + (bchan ? 0x40 : 0) + offset));
-}
-
-static void
-WriteW6692B(struct IsdnCardState *cs, int bchan, u_char offset, u_char value)
-{
- outb(value, cs->hw.w6692.iobase + (bchan ? 0x40 : 0) + offset);
-}
-
-static int
-w6692_card_msg(struct IsdnCardState *cs, int mt, void *arg)
-{
- switch (mt) {
- case CARD_RESET:
- resetW6692(cs);
- return (0);
- case CARD_RELEASE:
- cs->writeW6692(cs, W_IMASK, 0xff);
- release_region(cs->hw.w6692.iobase, 256);
- if (cs->subtyp == W6692_USR) {
- cs->writeW6692(cs, W_XDATA, 0x04);
- }
- return (0);
- case CARD_INIT:
- initW6692(cs, 3);
- return (0);
- case CARD_TEST:
- return (0);
- }
- return (0);
-}
-
-static int id_idx;
-
-static struct pci_dev *dev_w6692 = NULL;
-
-int setup_w6692(struct IsdnCard *card)
-{
- struct IsdnCardState *cs = card->cs;
- char tmp[64];
- u_char found = 0;
- u_char pci_irq = 0;
- u_int pci_ioaddr = 0;
-
- strcpy(tmp, w6692_revision);
- printk(KERN_INFO "HiSax: W6692 driver Rev. %s\n", HiSax_getrev(tmp));
- if (cs->typ != ISDN_CTYPE_W6692)
- return (0);
-
- while (id_list[id_idx].vendor_id) {
- dev_w6692 = hisax_find_pci_device(id_list[id_idx].vendor_id,
- id_list[id_idx].device_id,
- dev_w6692);
- if (dev_w6692) {
- if (pci_enable_device(dev_w6692))
- continue;
- cs->subtyp = id_idx;
- break;
- }
- id_idx++;
- }
- if (dev_w6692) {
- found = 1;
- pci_irq = dev_w6692->irq;
- /* I think address 0 is allways the configuration area */
- /* and address 1 is the real IO space KKe 03.09.99 */
- pci_ioaddr = pci_resource_start(dev_w6692, 1);
- /* USR ISDN PCI card TA need some special handling */
- if (cs->subtyp == W6692_WINBOND) {
- if ((W6692_SV_USR == dev_w6692->subsystem_vendor) &&
- (W6692_SD_USR == dev_w6692->subsystem_device)) {
- cs->subtyp = W6692_USR;
- }
- }
- }
- if (!found) {
- printk(KERN_WARNING "W6692: No PCI card found\n");
- return (0);
- }
- cs->irq = pci_irq;
- if (!cs->irq) {
- printk(KERN_WARNING "W6692: No IRQ for PCI card found\n");
- return (0);
- }
- if (!pci_ioaddr) {
- printk(KERN_WARNING "W6692: NO I/O Base Address found\n");
- return (0);
- }
- cs->hw.w6692.iobase = pci_ioaddr;
- printk(KERN_INFO "Found: %s %s, I/O base: 0x%x, irq: %d\n",
- id_list[cs->subtyp].vendor_name, id_list[cs->subtyp].card_name,
- pci_ioaddr, pci_irq);
- if (!request_region(cs->hw.w6692.iobase, 256, id_list[cs->subtyp].card_name)) {
- printk(KERN_WARNING
- "HiSax: %s I/O ports %x-%x already in use\n",
- id_list[cs->subtyp].card_name,
- cs->hw.w6692.iobase,
- cs->hw.w6692.iobase + 255);
- return (0);
- }
-
- printk(KERN_INFO
- "HiSax: %s config irq:%d I/O:%x\n",
- id_list[cs->subtyp].card_name, cs->irq,
- cs->hw.w6692.iobase);
-
- INIT_WORK(&cs->tqueue, W6692_bh);
- cs->readW6692 = &ReadW6692;
- cs->writeW6692 = &WriteW6692;
- cs->readisacfifo = &ReadISACfifo;
- cs->writeisacfifo = &WriteISACfifo;
- cs->BC_Read_Reg = &ReadW6692B;
- cs->BC_Write_Reg = &WriteW6692B;
- cs->BC_Send_Data = &W6692B_fill_fifo;
- cs->cardmsg = &w6692_card_msg;
- cs->irq_func = &W6692_interrupt;
- cs->irq_flags |= IRQF_SHARED;
- W6692Version(cs, "W6692:");
- printk(KERN_INFO "W6692 ISTA=0x%X\n", ReadW6692(cs, W_ISTA));
- printk(KERN_INFO "W6692 IMASK=0x%X\n", ReadW6692(cs, W_IMASK));
- printk(KERN_INFO "W6692 D_EXIR=0x%X\n", ReadW6692(cs, W_D_EXIR));
- printk(KERN_INFO "W6692 D_EXIM=0x%X\n", ReadW6692(cs, W_D_EXIM));
- printk(KERN_INFO "W6692 D_RSTA=0x%X\n", ReadW6692(cs, W_D_RSTA));
- return (1);
-}