Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux-2.6
[linux-2.6] / drivers / isdn / hisax / w6692.c
1 /* $Id: w6692.c,v 1.18.2.4 2004/02/11 13:21:34 keil Exp $
2  *
3  * Winbond W6692 specific routines
4  *
5  * Author       Petr Novak
6  * Copyright    by Petr Novak        <petr.novak@i.cz>
7  * 
8  * This software may be used and distributed according to the terms
9  * of the GNU General Public License, incorporated herein by reference.
10  *
11  */
12
13 #include <linux/init.h>
14 #include "hisax.h"
15 #include "w6692.h"
16 #include "isdnl1.h"
17 #include <linux/interrupt.h>
18 #include <linux/pci.h>
19
20 /* table entry in the PCI devices list */
21 typedef struct {
22         int vendor_id;
23         int device_id;
24         char *vendor_name;
25         char *card_name;
26 } PCI_ENTRY;
27
28 static const PCI_ENTRY id_list[] =
29 {
30         {PCI_VENDOR_ID_WINBOND2, PCI_DEVICE_ID_WINBOND2_6692, "Winbond", "W6692"},
31         {PCI_VENDOR_ID_DYNALINK, PCI_DEVICE_ID_DYNALINK_IS64PH, "Dynalink/AsusCom", "IS64PH"},
32         {0, 0, "U.S.Robotics", "ISDN PCI Card TA"}
33 };
34
35 #define W6692_SV_USR   0x16ec
36 #define W6692_SD_USR   0x3409
37 #define W6692_WINBOND  0
38 #define W6692_DYNALINK 1
39 #define W6692_USR      2
40
41 extern const char *CardType[];
42
43 static const char *w6692_revision = "$Revision: 1.18.2.4 $";
44
45 #define DBUSY_TIMER_VALUE 80
46
47 static char *W6692Ver[] =
48 {"W6692 V00", "W6692 V01", "W6692 V10",
49  "W6692 V11"};
50
51 static void
52 W6692Version(struct IsdnCardState *cs, char *s)
53 {
54         int val;
55
56         val = cs->readW6692(cs, W_D_RBCH);
57         printk(KERN_INFO "%s Winbond W6692 version (%x): %s\n", s, val, W6692Ver[(val >> 6) & 3]);
58 }
59
60 static void
61 ph_command(struct IsdnCardState *cs, unsigned int command)
62 {
63         if (cs->debug & L1_DEB_ISAC)
64                 debugl1(cs, "ph_command %x", command);
65         cs->writeisac(cs, W_CIX, command);
66 }
67
68
69 static void
70 W6692_new_ph(struct IsdnCardState *cs)
71 {
72         switch (cs->dc.w6692.ph_state) {
73                 case (W_L1CMD_RST):
74                         ph_command(cs, W_L1CMD_DRC);
75                         l1_msg(cs, HW_RESET | INDICATION, NULL);
76                         /* fallthru */
77                 case (W_L1IND_CD):
78                         l1_msg(cs, HW_DEACTIVATE | CONFIRM, NULL);
79                         break;
80                 case (W_L1IND_DRD):
81                         l1_msg(cs, HW_DEACTIVATE | INDICATION, NULL);
82                         break;
83                 case (W_L1IND_CE):
84                         l1_msg(cs, HW_POWERUP | CONFIRM, NULL);
85                         break;
86                 case (W_L1IND_LD):
87                         l1_msg(cs, HW_RSYNC | INDICATION, NULL);
88                         break;
89                 case (W_L1IND_ARD):
90                         l1_msg(cs, HW_INFO2 | INDICATION, NULL);
91                         break;
92                 case (W_L1IND_AI8):
93                         l1_msg(cs, HW_INFO4_P8 | INDICATION, NULL);
94                         break;
95                 case (W_L1IND_AI10):
96                         l1_msg(cs, HW_INFO4_P10 | INDICATION, NULL);
97                         break;
98                 default:
99                         break;
100         }
101 }
102
103 static void
104 W6692_bh(struct IsdnCardState *cs)
105 {
106         struct PStack *stptr;
107
108         if (!cs)
109                 return;
110         if (test_and_clear_bit(D_CLEARBUSY, &cs->event)) {
111                 if (cs->debug)
112                         debugl1(cs, "D-Channel Busy cleared");
113                 stptr = cs->stlist;
114                 while (stptr != NULL) {
115                         stptr->l1.l1l2(stptr, PH_PAUSE | CONFIRM, NULL);
116                         stptr = stptr->next;
117                 }
118         }
119         if (test_and_clear_bit(D_L1STATECHANGE, &cs->event))
120                 W6692_new_ph(cs);
121         if (test_and_clear_bit(D_RCVBUFREADY, &cs->event))
122                 DChannel_proc_rcv(cs);
123         if (test_and_clear_bit(D_XMTBUFREADY, &cs->event))
124                 DChannel_proc_xmt(cs);
125 /*
126    if (test_and_clear_bit(D_RX_MON1, &cs->event))
127    arcofi_fsm(cs, ARCOFI_RX_END, NULL);
128    if (test_and_clear_bit(D_TX_MON1, &cs->event))
129    arcofi_fsm(cs, ARCOFI_TX_END, NULL);
130  */
131 }
132
133 static void
134 W6692_empty_fifo(struct IsdnCardState *cs, int count)
135 {
136         u_char *ptr;
137
138         if ((cs->debug & L1_DEB_ISAC) && !(cs->debug & L1_DEB_ISAC_FIFO))
139                 debugl1(cs, "W6692_empty_fifo");
140
141         if ((cs->rcvidx + count) >= MAX_DFRAME_LEN_L1) {
142                 if (cs->debug & L1_DEB_WARN)
143                         debugl1(cs, "W6692_empty_fifo overrun %d",
144                                 cs->rcvidx + count);
145                 cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_RACK);
146                 cs->rcvidx = 0;
147                 return;
148         }
149         ptr = cs->rcvbuf + cs->rcvidx;
150         cs->rcvidx += count;
151         cs->readW6692fifo(cs, ptr, count);
152         cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_RACK);
153         if (cs->debug & L1_DEB_ISAC_FIFO) {
154                 char *t = cs->dlog;
155
156                 t += sprintf(t, "W6692_empty_fifo cnt %d", count);
157                 QuickHex(t, ptr, count);
158                 debugl1(cs, cs->dlog);
159         }
160 }
161
162 static void
163 W6692_fill_fifo(struct IsdnCardState *cs)
164 {
165         int count, more;
166         u_char *ptr;
167
168         if ((cs->debug & L1_DEB_ISAC) && !(cs->debug & L1_DEB_ISAC_FIFO))
169                 debugl1(cs, "W6692_fill_fifo");
170
171         if (!cs->tx_skb)
172                 return;
173
174         count = cs->tx_skb->len;
175         if (count <= 0)
176                 return;
177
178         more = 0;
179         if (count > W_D_FIFO_THRESH) {
180                 more = !0;
181                 count = W_D_FIFO_THRESH;
182         }
183         ptr = cs->tx_skb->data;
184         skb_pull(cs->tx_skb, count);
185         cs->tx_cnt += count;
186         cs->writeW6692fifo(cs, ptr, count);
187         cs->writeW6692(cs, W_D_CMDR, more ? W_D_CMDR_XMS : (W_D_CMDR_XMS | W_D_CMDR_XME));
188         if (test_and_set_bit(FLG_DBUSY_TIMER, &cs->HW_Flags)) {
189                 debugl1(cs, "W6692_fill_fifo dbusytimer running");
190                 del_timer(&cs->dbusytimer);
191         }
192         init_timer(&cs->dbusytimer);
193         cs->dbusytimer.expires = jiffies + ((DBUSY_TIMER_VALUE * HZ) / 1000);
194         add_timer(&cs->dbusytimer);
195         if (cs->debug & L1_DEB_ISAC_FIFO) {
196                 char *t = cs->dlog;
197
198                 t += sprintf(t, "W6692_fill_fifo cnt %d", count);
199                 QuickHex(t, ptr, count);
200                 debugl1(cs, cs->dlog);
201         }
202 }
203
204 static void
205 W6692B_empty_fifo(struct BCState *bcs, int count)
206 {
207         u_char *ptr;
208         struct IsdnCardState *cs = bcs->cs;
209
210         if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
211                 debugl1(cs, "W6692B_empty_fifo");
212
213         if (bcs->hw.w6692.rcvidx + count > HSCX_BUFMAX) {
214                 if (cs->debug & L1_DEB_WARN)
215                         debugl1(cs, "W6692B_empty_fifo: incoming packet too large");
216                 cs->BC_Write_Reg(cs, bcs->channel, W_B_CMDR, W_B_CMDR_RACK | W_B_CMDR_RACT);
217                 bcs->hw.w6692.rcvidx = 0;
218                 return;
219         }
220         ptr = bcs->hw.w6692.rcvbuf + bcs->hw.w6692.rcvidx;
221         bcs->hw.w6692.rcvidx += count;
222         READW6692BFIFO(cs, bcs->channel, ptr, count);
223         cs->BC_Write_Reg(cs, bcs->channel, W_B_CMDR, W_B_CMDR_RACK | W_B_CMDR_RACT);
224         if (cs->debug & L1_DEB_HSCX_FIFO) {
225                 char *t = bcs->blog;
226
227                 t += sprintf(t, "W6692B_empty_fifo %c cnt %d",
228                              bcs->channel + '1', count);
229                 QuickHex(t, ptr, count);
230                 debugl1(cs, bcs->blog);
231         }
232 }
233
234 static void
235 W6692B_fill_fifo(struct BCState *bcs)
236 {
237         struct IsdnCardState *cs = bcs->cs;
238         int more, count;
239         u_char *ptr;
240
241         if (!bcs->tx_skb)
242                 return;
243         if (bcs->tx_skb->len <= 0)
244                 return;
245
246         more = (bcs->mode == L1_MODE_TRANS) ? 1 : 0;
247         if (bcs->tx_skb->len > W_B_FIFO_THRESH) {
248                 more = 1;
249                 count = W_B_FIFO_THRESH;
250         } else
251                 count = bcs->tx_skb->len;
252
253         if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
254                 debugl1(cs, "W6692B_fill_fifo%s%d", (more ? " ": " last "), count);
255
256         ptr = bcs->tx_skb->data;
257         skb_pull(bcs->tx_skb, count);
258         bcs->tx_cnt -= count;
259         bcs->hw.w6692.count += count;
260         WRITEW6692BFIFO(cs, bcs->channel, ptr, count);
261         cs->BC_Write_Reg(cs, bcs->channel, W_B_CMDR, W_B_CMDR_RACT | W_B_CMDR_XMS | (more ? 0 : W_B_CMDR_XME));
262         if (cs->debug & L1_DEB_HSCX_FIFO) {
263                 char *t = bcs->blog;
264
265                 t += sprintf(t, "W6692B_fill_fifo %c cnt %d",
266                              bcs->channel + '1', count);
267                 QuickHex(t, ptr, count);
268                 debugl1(cs, bcs->blog);
269         }
270 }
271
272 static void
273 W6692B_interrupt(struct IsdnCardState *cs, u_char bchan)
274 {
275         u_char val;
276         u_char r;
277         struct BCState *bcs;
278         struct sk_buff *skb;
279         int count;
280
281         bcs = (cs->bcs->channel == bchan) ? cs->bcs : (cs->bcs+1);
282         val = cs->BC_Read_Reg(cs, bchan, W_B_EXIR);
283         debugl1(cs, "W6692B chan %d B_EXIR 0x%02X", bchan, val);
284
285         if (!test_bit(BC_FLG_INIT, &bcs->Flag)) {
286                 debugl1(cs, "W6692B not INIT yet");
287                 return;
288         }
289         if (val & W_B_EXI_RME) {        /* RME */
290                 r = cs->BC_Read_Reg(cs, bchan, W_B_STAR);
291                 if (r & (W_B_STAR_RDOV | W_B_STAR_CRCE | W_B_STAR_RMB)) {
292                         if (cs->debug & L1_DEB_WARN)
293                                 debugl1(cs, "W6692 B STAR %x", r);
294                         if ((r & W_B_STAR_RDOV) && bcs->mode)
295                                 if (cs->debug & L1_DEB_WARN)
296                                         debugl1(cs, "W6692 B RDOV mode=%d",
297                                                 bcs->mode);
298                         if (r & W_B_STAR_CRCE)
299                                 if (cs->debug & L1_DEB_WARN)
300                                         debugl1(cs, "W6692 B CRC error");
301                         cs->BC_Write_Reg(cs, bchan, W_B_CMDR, W_B_CMDR_RACK | W_B_CMDR_RRST | W_B_CMDR_RACT);
302                 } else {
303                         count = cs->BC_Read_Reg(cs, bchan, W_B_RBCL) & (W_B_FIFO_THRESH - 1);
304                         if (count == 0)
305                                 count = W_B_FIFO_THRESH;
306                         W6692B_empty_fifo(bcs, count);
307                         if ((count = bcs->hw.w6692.rcvidx) > 0) {
308                                 if (cs->debug & L1_DEB_HSCX_FIFO)
309                                         debugl1(cs, "W6692 Bchan Frame %d", count);
310                                 if (!(skb = dev_alloc_skb(count)))
311                                         printk(KERN_WARNING "W6692: Bchan receive out of memory\n");
312                                 else {
313                                         memcpy(skb_put(skb, count), bcs->hw.w6692.rcvbuf, count);
314                                         skb_queue_tail(&bcs->rqueue, skb);
315                                 }
316                         }
317                 }
318                 bcs->hw.w6692.rcvidx = 0;
319                 schedule_event(bcs, B_RCVBUFREADY);
320         }
321         if (val & W_B_EXI_RMR) {        /* RMR */
322                 W6692B_empty_fifo(bcs, W_B_FIFO_THRESH);
323                 r = cs->BC_Read_Reg(cs, bchan, W_B_STAR);
324                 if (r & W_B_STAR_RDOV) {
325                         if (cs->debug & L1_DEB_WARN)
326                                 debugl1(cs, "W6692 B RDOV(RMR) mode=%d",bcs->mode);
327                         cs->BC_Write_Reg(cs, bchan, W_B_CMDR, W_B_CMDR_RACK | W_B_CMDR_RRST | W_B_CMDR_RACT);
328                         if (bcs->mode != L1_MODE_TRANS)
329                                 bcs->hw.w6692.rcvidx = 0;
330                 }
331                 if (bcs->mode == L1_MODE_TRANS) {
332                         /* receive audio data */
333                         if (!(skb = dev_alloc_skb(W_B_FIFO_THRESH)))
334                                 printk(KERN_WARNING "HiSax: receive out of memory\n");
335                         else {
336                                 memcpy(skb_put(skb, W_B_FIFO_THRESH), bcs->hw.w6692.rcvbuf, W_B_FIFO_THRESH);
337                                 skb_queue_tail(&bcs->rqueue, skb);
338                         }
339                         bcs->hw.w6692.rcvidx = 0;
340                         schedule_event(bcs, B_RCVBUFREADY);
341                 }
342         }
343         if (val & W_B_EXI_XDUN) {       /* XDUN */
344                 cs->BC_Write_Reg(cs, bchan, W_B_CMDR, W_B_CMDR_XRST | W_B_CMDR_RACT);
345                 if (cs->debug & L1_DEB_WARN)
346                         debugl1(cs, "W6692 B EXIR %x Lost TX", val);
347                 if (bcs->mode == 1)
348                         W6692B_fill_fifo(bcs);
349                 else {
350                         /* Here we lost an TX interrupt, so
351                            * restart transmitting the whole frame.
352                          */
353                         if (bcs->tx_skb) {
354                                 skb_push(bcs->tx_skb, bcs->hw.w6692.count);
355                                 bcs->tx_cnt += bcs->hw.w6692.count;
356                                 bcs->hw.w6692.count = 0;
357                         }
358                 }
359                 return;
360         }
361         if (val & W_B_EXI_XFR) {        /* XFR */
362                 r = cs->BC_Read_Reg(cs, bchan, W_B_STAR);
363                 if (r & W_B_STAR_XDOW) {
364                         if (cs->debug & L1_DEB_WARN)
365                                 debugl1(cs, "W6692 B STAR %x XDOW", r);
366                         cs->BC_Write_Reg(cs, bchan, W_B_CMDR, W_B_CMDR_XRST | W_B_CMDR_RACT);
367                         if (bcs->tx_skb && (bcs->mode != 1)) {
368                                 skb_push(bcs->tx_skb, bcs->hw.w6692.count);
369                                 bcs->tx_cnt += bcs->hw.w6692.count;
370                                 bcs->hw.w6692.count = 0;
371                         }
372                 }
373                 if (bcs->tx_skb) {
374                         if (bcs->tx_skb->len) {
375                                 W6692B_fill_fifo(bcs);
376                                 return;
377                         } else {
378                                 if (test_bit(FLG_LLI_L1WAKEUP,&bcs->st->lli.flag) &&
379                                         (PACKET_NOACK != bcs->tx_skb->pkt_type)) {
380                                         u_long  flags;
381                                         spin_lock_irqsave(&bcs->aclock, flags);
382                                         bcs->ackcnt += bcs->hw.w6692.count;
383                                         spin_unlock_irqrestore(&bcs->aclock, flags);
384                                         schedule_event(bcs, B_ACKPENDING);
385                                 }
386                                 dev_kfree_skb_irq(bcs->tx_skb);
387                                 bcs->hw.w6692.count = 0;
388                                 bcs->tx_skb = NULL;
389                         }
390                 }
391                 if ((bcs->tx_skb = skb_dequeue(&bcs->squeue))) {
392                         bcs->hw.w6692.count = 0;
393                         test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
394                         W6692B_fill_fifo(bcs);
395                 } else {
396                         test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
397                         schedule_event(bcs, B_XMTBUFREADY);
398                 }
399         }
400 }
401
402 static irqreturn_t
403 W6692_interrupt(int intno, void *dev_id, struct pt_regs *regs)
404 {
405         struct IsdnCardState    *cs = dev_id;
406         u_char                  val, exval, v1;
407         struct sk_buff          *skb;
408         u_int                   count;
409         u_long                  flags;
410         int                     icnt = 5;
411
412         spin_lock_irqsave(&cs->lock, flags);
413         val = cs->readW6692(cs, W_ISTA);
414         if (!val) {
415                 spin_unlock_irqrestore(&cs->lock, flags);
416                 return IRQ_NONE;
417         }
418       StartW6692:
419         if (cs->debug & L1_DEB_ISAC)
420                 debugl1(cs, "W6692 ISTA %x", val);
421
422         if (val & W_INT_D_RME) {        /* RME */
423                 exval = cs->readW6692(cs, W_D_RSTA);
424                 if (exval & (W_D_RSTA_RDOV | W_D_RSTA_CRCE | W_D_RSTA_RMB)) {
425                         if (exval & W_D_RSTA_RDOV)
426                                 if (cs->debug & L1_DEB_WARN)
427                                         debugl1(cs, "W6692 RDOV");
428                         if (exval & W_D_RSTA_CRCE)
429                                 if (cs->debug & L1_DEB_WARN)
430                                         debugl1(cs, "W6692 D-channel CRC error");
431                         if (exval & W_D_RSTA_RMB)
432                                 if (cs->debug & L1_DEB_WARN)
433                                         debugl1(cs, "W6692 D-channel ABORT");
434                         cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_RACK | W_D_CMDR_RRST);
435                 } else {
436                         count = cs->readW6692(cs, W_D_RBCL) & (W_D_FIFO_THRESH - 1);
437                         if (count == 0)
438                                 count = W_D_FIFO_THRESH;
439                         W6692_empty_fifo(cs, count);
440                         if ((count = cs->rcvidx) > 0) {
441                                 cs->rcvidx = 0;
442                                 if (!(skb = alloc_skb(count, GFP_ATOMIC)))
443                                         printk(KERN_WARNING "HiSax: D receive out of memory\n");
444                                 else {
445                                         memcpy(skb_put(skb, count), cs->rcvbuf, count);
446                                         skb_queue_tail(&cs->rq, skb);
447                                 }
448                         }
449                 }
450                 cs->rcvidx = 0;
451                 schedule_event(cs, D_RCVBUFREADY);
452         }
453         if (val & W_INT_D_RMR) {        /* RMR */
454                 W6692_empty_fifo(cs, W_D_FIFO_THRESH);
455         }
456         if (val & W_INT_D_XFR) {        /* XFR */
457                 if (test_and_clear_bit(FLG_DBUSY_TIMER, &cs->HW_Flags))
458                         del_timer(&cs->dbusytimer);
459                 if (test_and_clear_bit(FLG_L1_DBUSY, &cs->HW_Flags))
460                         schedule_event(cs, D_CLEARBUSY);
461                 if (cs->tx_skb) {
462                         if (cs->tx_skb->len) {
463                                 W6692_fill_fifo(cs);
464                                 goto afterXFR;
465                         } else {
466                                 dev_kfree_skb_irq(cs->tx_skb);
467                                 cs->tx_cnt = 0;
468                                 cs->tx_skb = NULL;
469                         }
470                 }
471                 if ((cs->tx_skb = skb_dequeue(&cs->sq))) {
472                         cs->tx_cnt = 0;
473                         W6692_fill_fifo(cs);
474                 } else
475                         schedule_event(cs, D_XMTBUFREADY);
476         }
477       afterXFR:
478         if (val & (W_INT_XINT0 | W_INT_XINT1)) {        /* XINT0/1 - never */
479                 if (cs->debug & L1_DEB_ISAC)
480                         debugl1(cs, "W6692 spurious XINT!");
481         }
482         if (val & W_INT_D_EXI) {        /* EXI */
483                 exval = cs->readW6692(cs, W_D_EXIR);
484                 if (cs->debug & L1_DEB_WARN)
485                         debugl1(cs, "W6692 D_EXIR %02x", exval);
486                 if (exval & (W_D_EXI_XDUN | W_D_EXI_XCOL)) {    /* Transmit underrun/collision */
487                         debugl1(cs, "W6692 D-chan underrun/collision");
488                         printk(KERN_WARNING "HiSax: W6692 XDUN/XCOL\n");
489                         if (test_and_clear_bit(FLG_DBUSY_TIMER, &cs->HW_Flags))
490                                 del_timer(&cs->dbusytimer);
491                         if (test_and_clear_bit(FLG_L1_DBUSY, &cs->HW_Flags))
492                                 schedule_event(cs, D_CLEARBUSY);
493                         if (cs->tx_skb) {       /* Restart frame */
494                                 skb_push(cs->tx_skb, cs->tx_cnt);
495                                 cs->tx_cnt = 0;
496                                 W6692_fill_fifo(cs);
497                         } else {
498                                 printk(KERN_WARNING "HiSax: W6692 XDUN/XCOL no skb\n");
499                                 debugl1(cs, "W6692 XDUN/XCOL no skb");
500                                 cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_XRST);
501                         }
502                 }
503                 if (exval & W_D_EXI_RDOV) {     /* RDOV */
504                         debugl1(cs, "W6692 D-channel RDOV");
505                         printk(KERN_WARNING "HiSax: W6692 D-RDOV\n");
506                         cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_RRST);
507                 }
508                 if (exval & W_D_EXI_TIN2) {     /* TIN2 - never */
509                         debugl1(cs, "W6692 spurious TIN2 interrupt");
510                 }
511                 if (exval & W_D_EXI_MOC) {      /* MOC - not supported */
512                         debugl1(cs, "W6692 spurious MOC interrupt");
513                         v1 = cs->readW6692(cs, W_MOSR);
514                         debugl1(cs, "W6692 MOSR %02x", v1);
515                 }
516                 if (exval & W_D_EXI_ISC) {      /* ISC - Level1 change */
517                         v1 = cs->readW6692(cs, W_CIR);
518                         if (cs->debug & L1_DEB_ISAC)
519                                 debugl1(cs, "W6692 ISC CIR=0x%02X", v1);
520                         if (v1 & W_CIR_ICC) {
521                                 cs->dc.w6692.ph_state = v1 & W_CIR_COD_MASK;
522                                 if (cs->debug & L1_DEB_ISAC)
523                                         debugl1(cs, "ph_state_change %x", cs->dc.w6692.ph_state);
524                                 schedule_event(cs, D_L1STATECHANGE);
525                         }
526                         if (v1 & W_CIR_SCC) {
527                                 v1 = cs->readW6692(cs, W_SQR);
528                                 debugl1(cs, "W6692 SCC SQR=0x%02X", v1);
529                         }
530                 }
531                 if (exval & W_D_EXI_WEXP) {
532                         debugl1(cs, "W6692 spurious WEXP interrupt!");
533                 }
534                 if (exval & W_D_EXI_TEXP) {
535                         debugl1(cs, "W6692 spurious TEXP interrupt!");
536                 }
537         }
538         if (val & W_INT_B1_EXI) {
539                 debugl1(cs, "W6692 B channel 1 interrupt");
540                 W6692B_interrupt(cs, 0);
541         }
542         if (val & W_INT_B2_EXI) {
543                 debugl1(cs, "W6692 B channel 2 interrupt");
544                 W6692B_interrupt(cs, 1);
545         }
546         val = cs->readW6692(cs, W_ISTA);
547         if (val && icnt) {
548                 icnt--;
549                 goto StartW6692;
550         }
551         if (!icnt) {
552                 printk(KERN_WARNING "W6692 IRQ LOOP\n");
553                 cs->writeW6692(cs, W_IMASK, 0xff);
554         }
555         spin_unlock_irqrestore(&cs->lock, flags);
556         return IRQ_HANDLED;
557 }
558
559 static void
560 W6692_l1hw(struct PStack *st, int pr, void *arg)
561 {
562         struct IsdnCardState *cs = (struct IsdnCardState *) st->l1.hardware;
563         struct sk_buff *skb = arg;
564         u_long flags;
565         int val;
566
567         switch (pr) {
568                 case (PH_DATA | REQUEST):
569                         if (cs->debug & DEB_DLOG_HEX)
570                                 LogFrame(cs, skb->data, skb->len);
571                         if (cs->debug & DEB_DLOG_VERBOSE)
572                                 dlogframe(cs, skb, 0);
573                         spin_lock_irqsave(&cs->lock, flags);
574                         if (cs->tx_skb) {
575                                 skb_queue_tail(&cs->sq, skb);
576 #ifdef L2FRAME_DEBUG            /* psa */
577                                 if (cs->debug & L1_DEB_LAPD)
578                                         Logl2Frame(cs, skb, "PH_DATA Queued", 0);
579 #endif
580                         } else {
581                                 cs->tx_skb = skb;
582                                 cs->tx_cnt = 0;
583 #ifdef L2FRAME_DEBUG            /* psa */
584                                 if (cs->debug & L1_DEB_LAPD)
585                                         Logl2Frame(cs, skb, "PH_DATA", 0);
586 #endif
587                                 W6692_fill_fifo(cs);
588                         }
589                         spin_unlock_irqrestore(&cs->lock, flags);
590                         break;
591                 case (PH_PULL | INDICATION):
592                         spin_lock_irqsave(&cs->lock, flags);
593                         if (cs->tx_skb) {
594                                 if (cs->debug & L1_DEB_WARN)
595                                         debugl1(cs, " l2l1 tx_skb exist this shouldn't happen");
596                                 skb_queue_tail(&cs->sq, skb);
597                                 spin_unlock_irqrestore(&cs->lock, flags);
598                                 break;
599                         }
600                         if (cs->debug & DEB_DLOG_HEX)
601                                 LogFrame(cs, skb->data, skb->len);
602                         if (cs->debug & DEB_DLOG_VERBOSE)
603                                 dlogframe(cs, skb, 0);
604                         cs->tx_skb = skb;
605                         cs->tx_cnt = 0;
606 #ifdef L2FRAME_DEBUG            /* psa */
607                         if (cs->debug & L1_DEB_LAPD)
608                                 Logl2Frame(cs, skb, "PH_DATA_PULLED", 0);
609 #endif
610                         W6692_fill_fifo(cs);
611                         spin_unlock_irqrestore(&cs->lock, flags);
612                         break;
613                 case (PH_PULL | REQUEST):
614 #ifdef L2FRAME_DEBUG            /* psa */
615                         if (cs->debug & L1_DEB_LAPD)
616                                 debugl1(cs, "-> PH_REQUEST_PULL");
617 #endif
618                         if (!cs->tx_skb) {
619                                 test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
620                                 st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
621                         } else
622                                 test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
623                         break;
624                 case (HW_RESET | REQUEST):
625                         spin_lock_irqsave(&cs->lock, flags);
626                         if ((cs->dc.w6692.ph_state == W_L1IND_DRD)) {
627                                 ph_command(cs, W_L1CMD_ECK);
628                                 spin_unlock_irqrestore(&cs->lock, flags);
629                         } else {
630                                 ph_command(cs, W_L1CMD_RST);
631                                 cs->dc.w6692.ph_state = W_L1CMD_RST;
632                                 spin_unlock_irqrestore(&cs->lock, flags);
633                                 W6692_new_ph(cs);
634                         }
635                         break;
636                 case (HW_ENABLE | REQUEST):
637                         spin_lock_irqsave(&cs->lock, flags);
638                         ph_command(cs, W_L1CMD_ECK);
639                         spin_unlock_irqrestore(&cs->lock, flags);
640                         break;
641                 case (HW_INFO3 | REQUEST):
642                         spin_lock_irqsave(&cs->lock, flags);
643                         ph_command(cs, W_L1CMD_AR8);
644                         spin_unlock_irqrestore(&cs->lock, flags);
645                         break;
646                 case (HW_TESTLOOP | REQUEST):
647                         val = 0;
648                         if (1 & (long) arg)
649                                 val |= 0x0c;
650                         if (2 & (long) arg)
651                                 val |= 0x3;
652                         /* !!! not implemented yet */
653                         break;
654                 case (HW_DEACTIVATE | RESPONSE):
655                         skb_queue_purge(&cs->rq);
656                         skb_queue_purge(&cs->sq);
657                         if (cs->tx_skb) {
658                                 dev_kfree_skb_any(cs->tx_skb);
659                                 cs->tx_skb = NULL;
660                         }
661                         if (test_and_clear_bit(FLG_DBUSY_TIMER, &cs->HW_Flags))
662                                 del_timer(&cs->dbusytimer);
663                         if (test_and_clear_bit(FLG_L1_DBUSY, &cs->HW_Flags))
664                                 schedule_event(cs, D_CLEARBUSY);
665                         break;
666                 default:
667                         if (cs->debug & L1_DEB_WARN)
668                                 debugl1(cs, "W6692_l1hw unknown %04x", pr);
669                         break;
670         }
671 }
672
673 static void
674 setstack_W6692(struct PStack *st, struct IsdnCardState *cs)
675 {
676         st->l1.l1hw = W6692_l1hw;
677 }
678
679 static void
680 DC_Close_W6692(struct IsdnCardState *cs)
681 {
682 }
683
684 static void
685 dbusy_timer_handler(struct IsdnCardState *cs)
686 {
687         struct PStack *stptr;
688         int rbch, star;
689         u_long flags;
690
691         spin_lock_irqsave(&cs->lock, flags);
692         if (test_bit(FLG_DBUSY_TIMER, &cs->HW_Flags)) {
693                 rbch = cs->readW6692(cs, W_D_RBCH);
694                 star = cs->readW6692(cs, W_D_STAR);
695                 if (cs->debug)
696                         debugl1(cs, "D-Channel Busy D_RBCH %02x D_STAR %02x",
697                                 rbch, star);
698                 if (star & W_D_STAR_XBZ) {      /* D-Channel Busy */
699                         test_and_set_bit(FLG_L1_DBUSY, &cs->HW_Flags);
700                         stptr = cs->stlist;
701                         while (stptr != NULL) {
702                                 stptr->l1.l1l2(stptr, PH_PAUSE | INDICATION, NULL);
703                                 stptr = stptr->next;
704                         }
705                 } else {
706                         /* discard frame; reset transceiver */
707                         test_and_clear_bit(FLG_DBUSY_TIMER, &cs->HW_Flags);
708                         if (cs->tx_skb) {
709                                 dev_kfree_skb_any(cs->tx_skb);
710                                 cs->tx_cnt = 0;
711                                 cs->tx_skb = NULL;
712                         } else {
713                                 printk(KERN_WARNING "HiSax: W6692 D-Channel Busy no skb\n");
714                                 debugl1(cs, "D-Channel Busy no skb");
715                         }
716                         cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_XRST);    /* Transmitter reset */
717                         spin_unlock_irqrestore(&cs->lock, flags);
718                         cs->irq_func(cs->irq, cs, NULL);
719                         return;
720                 }
721         }
722         spin_unlock_irqrestore(&cs->lock, flags);
723 }
724
725 static void
726 W6692Bmode(struct BCState *bcs, int mode, int bchan)
727 {
728         struct IsdnCardState *cs = bcs->cs;
729
730         if (cs->debug & L1_DEB_HSCX)
731                 debugl1(cs, "w6692 %c mode %d ichan %d",
732                         '1' + bchan, mode, bchan);
733         bcs->mode = mode;
734         bcs->channel = bchan;
735         bcs->hw.w6692.bchan = bchan;
736
737         switch (mode) {
738                 case (L1_MODE_NULL):
739                         cs->BC_Write_Reg(cs, bchan, W_B_MODE, 0);
740                         break;
741                 case (L1_MODE_TRANS):
742                         cs->BC_Write_Reg(cs, bchan, W_B_MODE, W_B_MODE_MMS);
743                         break;
744                 case (L1_MODE_HDLC):
745                         cs->BC_Write_Reg(cs, bchan, W_B_MODE, W_B_MODE_ITF);
746                         cs->BC_Write_Reg(cs, bchan, W_B_ADM1, 0xff);
747                         cs->BC_Write_Reg(cs, bchan, W_B_ADM2, 0xff);
748                         break;
749         }
750         if (mode)
751                 cs->BC_Write_Reg(cs, bchan, W_B_CMDR, W_B_CMDR_RRST |
752                                  W_B_CMDR_RACT | W_B_CMDR_XRST);
753         cs->BC_Write_Reg(cs, bchan, W_B_EXIM, 0x00);
754 }
755
756 static void
757 W6692_l2l1(struct PStack *st, int pr, void *arg)
758 {
759         struct sk_buff *skb = arg;
760         struct BCState *bcs = st->l1.bcs; 
761         u_long flags;
762
763         switch (pr) {
764                 case (PH_DATA | REQUEST):
765                         spin_lock_irqsave(&bcs->cs->lock, flags);
766                         if (bcs->tx_skb) {
767                                 skb_queue_tail(&bcs->squeue, skb);
768                         } else {
769                                 bcs->tx_skb = skb;
770                                 test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
771                                 bcs->hw.w6692.count = 0;
772                                 bcs->cs->BC_Send_Data(bcs);
773                         }
774                         spin_unlock_irqrestore(&bcs->cs->lock, flags);
775                         break;
776                 case (PH_PULL | INDICATION):
777                         if (bcs->tx_skb) {
778                                 printk(KERN_WARNING "W6692_l2l1: this shouldn't happen\n");
779                                 break;
780                         }
781                         spin_lock_irqsave(&bcs->cs->lock, flags);
782                         test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
783                         bcs->tx_skb = skb;
784                         bcs->hw.w6692.count = 0;
785                         bcs->cs->BC_Send_Data(bcs);
786                         spin_unlock_irqrestore(&bcs->cs->lock, flags);
787                         break;
788                 case (PH_PULL | REQUEST):
789                         if (!bcs->tx_skb) {
790                                 test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
791                                 st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
792                         } else
793                                 test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
794                         break;
795                 case (PH_ACTIVATE | REQUEST):
796                         spin_lock_irqsave(&bcs->cs->lock, flags);
797                         test_and_set_bit(BC_FLG_ACTIV, &bcs->Flag);
798                         W6692Bmode(bcs, st->l1.mode, st->l1.bc);
799                         spin_unlock_irqrestore(&bcs->cs->lock, flags);
800                         l1_msg_b(st, pr, arg);
801                         break;
802                 case (PH_DEACTIVATE | REQUEST):
803                         l1_msg_b(st, pr, arg);
804                         break;
805                 case (PH_DEACTIVATE | CONFIRM):
806                         spin_lock_irqsave(&bcs->cs->lock, flags);
807                         test_and_clear_bit(BC_FLG_ACTIV, &bcs->Flag);
808                         test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
809                         W6692Bmode(bcs, 0, st->l1.bc);
810                         spin_unlock_irqrestore(&bcs->cs->lock, flags);
811                         st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL);
812                         break;
813         }
814 }
815
816 static void
817 close_w6692state(struct BCState *bcs)
818 {
819         W6692Bmode(bcs, 0, bcs->channel);
820         if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
821                 kfree(bcs->hw.w6692.rcvbuf);
822                 bcs->hw.w6692.rcvbuf = NULL;
823                 kfree(bcs->blog);
824                 bcs->blog = NULL;
825                 skb_queue_purge(&bcs->rqueue);
826                 skb_queue_purge(&bcs->squeue);
827                 if (bcs->tx_skb) {
828                         dev_kfree_skb_any(bcs->tx_skb);
829                         bcs->tx_skb = NULL;
830                         test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
831                 }
832         }
833 }
834
835 static int
836 open_w6692state(struct IsdnCardState *cs, struct BCState *bcs)
837 {
838         if (!test_and_set_bit(BC_FLG_INIT, &bcs->Flag)) {
839                 if (!(bcs->hw.w6692.rcvbuf = kmalloc(HSCX_BUFMAX, GFP_ATOMIC))) {
840                         printk(KERN_WARNING
841                                "HiSax: No memory for w6692.rcvbuf\n");
842                         test_and_clear_bit(BC_FLG_INIT, &bcs->Flag);
843                         return (1);
844                 }
845                 if (!(bcs->blog = kmalloc(MAX_BLOG_SPACE, GFP_ATOMIC))) {
846                         printk(KERN_WARNING
847                                "HiSax: No memory for bcs->blog\n");
848                         test_and_clear_bit(BC_FLG_INIT, &bcs->Flag);
849                         kfree(bcs->hw.w6692.rcvbuf);
850                         bcs->hw.w6692.rcvbuf = NULL;
851                         return (2);
852                 }
853                 skb_queue_head_init(&bcs->rqueue);
854                 skb_queue_head_init(&bcs->squeue);
855         }
856         bcs->tx_skb = NULL;
857         test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
858         bcs->event = 0;
859         bcs->hw.w6692.rcvidx = 0;
860         bcs->tx_cnt = 0;
861         return (0);
862 }
863
864 static int
865 setstack_w6692(struct PStack *st, struct BCState *bcs)
866 {
867         bcs->channel = st->l1.bc;
868         if (open_w6692state(st->l1.hardware, bcs))
869                 return (-1);
870         st->l1.bcs = bcs;
871         st->l2.l2l1 = W6692_l2l1;
872         setstack_manager(st);
873         bcs->st = st;
874         setstack_l1_B(st);
875         return (0);
876 }
877
878 static void resetW6692(struct IsdnCardState *cs)
879 {
880         cs->writeW6692(cs, W_D_CTL, W_D_CTL_SRST);
881         mdelay(10);
882         cs->writeW6692(cs, W_D_CTL, 0x00);
883         mdelay(10);
884         cs->writeW6692(cs, W_IMASK, 0xff);
885         cs->writeW6692(cs, W_D_SAM, 0xff);
886         cs->writeW6692(cs, W_D_TAM, 0xff);
887         cs->writeW6692(cs, W_D_EXIM, 0x00);
888         cs->writeW6692(cs, W_D_MODE, W_D_MODE_RACT);
889         cs->writeW6692(cs, W_IMASK, 0x18);
890         if (cs->subtyp == W6692_USR) {
891                 /* seems that USR implemented some power control features
892                  * Pin 79 is connected to the oscilator circuit so we
893                  * have to handle it here
894                  */
895                 cs->writeW6692(cs, W_PCTL, 0x80);
896                 cs->writeW6692(cs, W_XDATA, 0x00);
897         }
898 }
899
900 static void initW6692(struct IsdnCardState *cs, int part)
901 {
902         if (part & 1) {
903                 cs->setstack_d = setstack_W6692;
904                 cs->DC_Close = DC_Close_W6692;
905                 cs->dbusytimer.function = (void *) dbusy_timer_handler;
906                 cs->dbusytimer.data = (long) cs;
907                 init_timer(&cs->dbusytimer);
908                 resetW6692(cs);
909                 ph_command(cs, W_L1CMD_RST);
910                 cs->dc.w6692.ph_state = W_L1CMD_RST;
911                 W6692_new_ph(cs);
912                 ph_command(cs, W_L1CMD_ECK);
913
914                 cs->bcs[0].BC_SetStack = setstack_w6692;
915                 cs->bcs[1].BC_SetStack = setstack_w6692;
916                 cs->bcs[0].BC_Close = close_w6692state;
917                 cs->bcs[1].BC_Close = close_w6692state;
918                 W6692Bmode(cs->bcs, 0, 0);
919                 W6692Bmode(cs->bcs + 1, 0, 0);
920         }
921         if (part & 2) {
922                 /* Reenable all IRQ */
923                 cs->writeW6692(cs, W_IMASK, 0x18);
924                 cs->writeW6692(cs, W_D_EXIM, 0x00);
925                 cs->BC_Write_Reg(cs, 0, W_B_EXIM, 0x00);
926                 cs->BC_Write_Reg(cs, 1, W_B_EXIM, 0x00);
927                 /* Reset D-chan receiver and transmitter */
928                 cs->writeW6692(cs, W_D_CMDR, W_D_CMDR_RRST | W_D_CMDR_XRST);
929         }
930 }
931
932 /* Interface functions */
933
934 static u_char
935 ReadW6692(struct IsdnCardState *cs, u_char offset)
936 {
937         return (inb(cs->hw.w6692.iobase + offset));
938 }
939
940 static void
941 WriteW6692(struct IsdnCardState *cs, u_char offset, u_char value)
942 {
943         outb(value, cs->hw.w6692.iobase + offset);
944 }
945
946 static void
947 ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
948 {
949         insb(cs->hw.w6692.iobase + W_D_RFIFO, data, size);
950 }
951
952 static void
953 WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
954 {
955         outsb(cs->hw.w6692.iobase + W_D_XFIFO, data, size);
956 }
957
958 static u_char
959 ReadW6692B(struct IsdnCardState *cs, int bchan, u_char offset)
960 {
961         return (inb(cs->hw.w6692.iobase + (bchan ? 0x40 : 0) + offset));
962 }
963
964 static void
965 WriteW6692B(struct IsdnCardState *cs, int bchan, u_char offset, u_char value)
966 {
967         outb(value, cs->hw.w6692.iobase + (bchan ? 0x40 : 0) + offset);
968 }
969
970 static int
971 w6692_card_msg(struct IsdnCardState *cs, int mt, void *arg)
972 {
973         switch (mt) {
974                 case CARD_RESET:
975                         resetW6692(cs);
976                         return (0);
977                 case CARD_RELEASE:
978                         cs->writeW6692(cs, W_IMASK, 0xff);
979                         release_region(cs->hw.w6692.iobase, 256);
980                         if (cs->subtyp == W6692_USR) {
981                                 cs->writeW6692(cs, W_XDATA, 0x04);
982                         }
983                         return (0);
984                 case CARD_INIT:
985                         initW6692(cs, 3);
986                         return (0);
987                 case CARD_TEST:
988                         return (0);
989         }
990         return (0);
991 }
992
993 static int id_idx ;
994
995 static struct pci_dev *dev_w6692 __devinitdata = NULL;
996
997 int __devinit
998 setup_w6692(struct IsdnCard *card)
999 {
1000         struct IsdnCardState *cs = card->cs;
1001         char tmp[64];
1002         u_char found = 0;
1003         u_char pci_irq = 0;
1004         u_int pci_ioaddr = 0;
1005
1006         strcpy(tmp, w6692_revision);
1007         printk(KERN_INFO "HiSax: W6692 driver Rev. %s\n", HiSax_getrev(tmp));
1008         if (cs->typ != ISDN_CTYPE_W6692)
1009                 return (0);
1010 #ifdef CONFIG_PCI
1011         while (id_list[id_idx].vendor_id) {
1012                 dev_w6692 = pci_find_device(id_list[id_idx].vendor_id,
1013                                             id_list[id_idx].device_id,
1014                                             dev_w6692);
1015                 if (dev_w6692) {
1016                         if (pci_enable_device(dev_w6692))
1017                                 continue;
1018                         cs->subtyp = id_idx;
1019                         break;
1020                 }
1021                 id_idx++;
1022         }
1023         if (dev_w6692) {
1024                 found = 1;
1025                 pci_irq = dev_w6692->irq;
1026                 /* I think address 0 is allways the configuration area */
1027                 /* and address 1 is the real IO space KKe 03.09.99 */
1028                 pci_ioaddr = pci_resource_start(dev_w6692, 1);
1029                 /* USR ISDN PCI card TA need some special handling */
1030                 if (cs->subtyp == W6692_WINBOND) {
1031                         if ((W6692_SV_USR == dev_w6692->subsystem_vendor) &&
1032                             (W6692_SD_USR == dev_w6692->subsystem_device)) {
1033                                 cs->subtyp = W6692_USR;
1034                         }
1035                 }
1036         }
1037         if (!found) {
1038                 printk(KERN_WARNING "W6692: No PCI card found\n");
1039                 return (0);
1040         }
1041         cs->irq = pci_irq;
1042         if (!cs->irq) {
1043                 printk(KERN_WARNING "W6692: No IRQ for PCI card found\n");
1044                 return (0);
1045         }
1046         if (!pci_ioaddr) {
1047                 printk(KERN_WARNING "W6692: NO I/O Base Address found\n");
1048                 return (0);
1049         }
1050         cs->hw.w6692.iobase = pci_ioaddr;
1051         printk(KERN_INFO "Found: %s %s, I/O base: 0x%x, irq: %d\n",
1052                id_list[cs->subtyp].vendor_name, id_list[cs->subtyp].card_name,
1053                pci_ioaddr, pci_irq);
1054         if (!request_region(cs->hw.w6692.iobase, 256, id_list[cs->subtyp].card_name)) {
1055                 printk(KERN_WARNING
1056                        "HiSax: %s I/O ports %x-%x already in use\n",
1057                        id_list[cs->subtyp].card_name,
1058                        cs->hw.w6692.iobase,
1059                        cs->hw.w6692.iobase + 255);
1060                 return (0);
1061         }
1062 #else
1063         printk(KERN_WARNING "HiSax: W6692 and NO_PCI_BIOS\n");
1064         printk(KERN_WARNING "HiSax: W6692 unable to config\n");
1065         return (0);
1066 #endif                          /* CONFIG_PCI */
1067
1068         printk(KERN_INFO
1069                "HiSax: %s config irq:%d I/O:%x\n",
1070                id_list[cs->subtyp].card_name, cs->irq,
1071                cs->hw.w6692.iobase);
1072
1073         INIT_WORK(&cs->tqueue, (void *)(void *) W6692_bh, cs);
1074         cs->readW6692 = &ReadW6692;
1075         cs->writeW6692 = &WriteW6692;
1076         cs->readisacfifo = &ReadISACfifo;
1077         cs->writeisacfifo = &WriteISACfifo;
1078         cs->BC_Read_Reg = &ReadW6692B;
1079         cs->BC_Write_Reg = &WriteW6692B;
1080         cs->BC_Send_Data = &W6692B_fill_fifo;
1081         cs->cardmsg = &w6692_card_msg;
1082         cs->irq_func = &W6692_interrupt;
1083         cs->irq_flags |= IRQF_SHARED;
1084         W6692Version(cs, "W6692:");
1085         printk(KERN_INFO "W6692 ISTA=0x%X\n", ReadW6692(cs, W_ISTA));
1086         printk(KERN_INFO "W6692 IMASK=0x%X\n", ReadW6692(cs, W_IMASK));
1087         printk(KERN_INFO "W6692 D_EXIR=0x%X\n", ReadW6692(cs, W_D_EXIR));
1088         printk(KERN_INFO "W6692 D_EXIM=0x%X\n", ReadW6692(cs, W_D_EXIM));
1089         printk(KERN_INFO "W6692 D_RSTA=0x%X\n", ReadW6692(cs, W_D_RSTA));
1090         return (1);
1091 }