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Linux 2.6.34-rc3
[pohmelfs.git] / drivers / isdn / hardware / avm / c4.c
blobde6e6b31181938484e0c0d425502b7fdc47f9b98
1 /* $Id: c4.c,v 1.1.2.2 2004/01/16 21:09:27 keil Exp $
2 *
3 * Module for AVM C4 & C2 card.
4 *
5 * Copyright 1999 by Carsten Paeth <calle@calle.de>
6 *
7 * This software may be used and distributed according to the terms
8 * of the GNU General Public License, incorporated herein by reference.
9 *
10 */
11
12 #include <linux/module.h>
13 #include <linux/kernel.h>
14 #include <linux/proc_fs.h>
15 #include <linux/seq_file.h>
16 #include <linux/skbuff.h>
17 #include <linux/delay.h>
18 #include <linux/mm.h>
19 #include <linux/interrupt.h>
20 #include <linux/ioport.h>
21 #include <linux/pci.h>
22 #include <linux/capi.h>
23 #include <linux/kernelcapi.h>
24 #include <linux/init.h>
25 #include <asm/io.h>
26 #include <asm/uaccess.h>
27 #include <linux/netdevice.h>
28 #include <linux/isdn/capicmd.h>
29 #include <linux/isdn/capiutil.h>
30 #include <linux/isdn/capilli.h>
31 #include "avmcard.h"
32
33 #undef AVM_C4_DEBUG
34 #undef AVM_C4_POLLDEBUG
35
36 /* ------------------------------------------------------------- */
37
38 static char *revision = "$Revision: 1.1.2.2 $";
39
40 /* ------------------------------------------------------------- */
41
42 static int suppress_pollack;
43
44 static struct pci_device_id c4_pci_tbl[] = {
45 { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21285, PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_C4, 0, 0, (unsigned long)4 },
46 { PCI_VENDOR_ID_DEC, PCI_DEVICE_ID_DEC_21285, PCI_VENDOR_ID_AVM, PCI_DEVICE_ID_AVM_C2, 0, 0, (unsigned long)2 },
47 { } /* Terminating entry */
48 };
49
50 MODULE_DEVICE_TABLE(pci, c4_pci_tbl);
51 MODULE_DESCRIPTION("CAPI4Linux: Driver for AVM C2/C4 cards");
52 MODULE_AUTHOR("Carsten Paeth");
53 MODULE_LICENSE("GPL");
54 module_param(suppress_pollack, bool, 0);
55
56 /* ------------------------------------------------------------- */
57
58 static void c4_dispatch_tx(avmcard *card);
59
60 /* ------------------------------------------------------------- */
61
62 #define DC21285_DRAM_A0MR 0x40000000
63 #define DC21285_DRAM_A1MR 0x40004000
64 #define DC21285_DRAM_A2MR 0x40008000
65 #define DC21285_DRAM_A3MR 0x4000C000
66
67 #define CAS_OFFSET 0x88
68
69 #define DC21285_ARMCSR_BASE 0x42000000
70
71 #define PCI_OUT_INT_STATUS 0x30
72 #define PCI_OUT_INT_MASK 0x34
73 #define MAILBOX_0 0x50
74 #define MAILBOX_1 0x54
75 #define MAILBOX_2 0x58
76 #define MAILBOX_3 0x5C
77 #define DOORBELL 0x60
78 #define DOORBELL_SETUP 0x64
79
80 #define CHAN_1_CONTROL 0x90
81 #define CHAN_2_CONTROL 0xB0
82 #define DRAM_TIMING 0x10C
83 #define DRAM_ADDR_SIZE_0 0x110
84 #define DRAM_ADDR_SIZE_1 0x114
85 #define DRAM_ADDR_SIZE_2 0x118
86 #define DRAM_ADDR_SIZE_3 0x11C
87 #define SA_CONTROL 0x13C
88 #define XBUS_CYCLE 0x148
89 #define XBUS_STROBE 0x14C
90 #define DBELL_PCI_MASK 0x150
91 #define DBELL_SA_MASK 0x154
92
93 #define SDRAM_SIZE 0x1000000
94
95 /* ------------------------------------------------------------- */
96
97 #define MBOX_PEEK_POKE MAILBOX_0
98
99 #define DBELL_ADDR 0x01
100 #define DBELL_DATA 0x02
101 #define DBELL_RNWR 0x40
102 #define DBELL_INIT 0x80
103
104 /* ------------------------------------------------------------- */
105
106 #define MBOX_UP_ADDR MAILBOX_0
107 #define MBOX_UP_LEN MAILBOX_1
108 #define MBOX_DOWN_ADDR MAILBOX_2
109 #define MBOX_DOWN_LEN MAILBOX_3
110
111 #define DBELL_UP_HOST 0x00000100
112 #define DBELL_UP_ARM 0x00000200
113 #define DBELL_DOWN_HOST 0x00000400
114 #define DBELL_DOWN_ARM 0x00000800
115 #define DBELL_RESET_HOST 0x40000000
116 #define DBELL_RESET_ARM 0x80000000
117
118 /* ------------------------------------------------------------- */
119
120 #define DRAM_TIMING_DEF 0x001A01A5
121 #define DRAM_AD_SZ_DEF0 0x00000045
122 #define DRAM_AD_SZ_NULL 0x00000000
123
124 #define SA_CTL_ALLRIGHT 0x64AA0271
125
126 #define INIT_XBUS_CYCLE 0x100016DB
127 #define INIT_XBUS_STROBE 0xF1F1F1F1
128
129 /* ------------------------------------------------------------- */
130
131 #define RESET_TIMEOUT (15*HZ) /* 15 sec */
132 #define PEEK_POKE_TIMEOUT (HZ/10) /* 0.1 sec */
133
134 /* ------------------------------------------------------------- */
135
136 #define c4outmeml(addr, value) writel(value, addr)
137 #define c4inmeml(addr) readl(addr)
138 #define c4outmemw(addr, value) writew(value, addr)
139 #define c4inmemw(addr) readw(addr)
140 #define c4outmemb(addr, value) writeb(value, addr)
141 #define c4inmemb(addr) readb(addr)
142
143 /* ------------------------------------------------------------- */
144
145 static inline int wait_for_doorbell(avmcard *card, unsigned long t)
146 {
147 unsigned long stop;
148
149 stop = jiffies + t;
150 while (c4inmeml(card->mbase+DOORBELL) != 0xffffffff) {
151 if (!time_before(jiffies, stop))
152 return -1;
153 mb();
154 }
155 return 0;
156 }
157
158 static int c4_poke(avmcard *card, unsigned long off, unsigned long value)
159 {
160
161 if (wait_for_doorbell(card, HZ/10) < 0)
162 return -1;
163
164 c4outmeml(card->mbase+MBOX_PEEK_POKE, off);
165 c4outmeml(card->mbase+DOORBELL, DBELL_ADDR);
166
167 if (wait_for_doorbell(card, HZ/10) < 0)
168 return -1;
169
170 c4outmeml(card->mbase+MBOX_PEEK_POKE, value);
171 c4outmeml(card->mbase+DOORBELL, DBELL_DATA | DBELL_ADDR);
172
173 return 0;
174 }
175
176 static int c4_peek(avmcard *card, unsigned long off, unsigned long *valuep)
177 {
178 if (wait_for_doorbell(card, HZ/10) < 0)
179 return -1;
180
181 c4outmeml(card->mbase+MBOX_PEEK_POKE, off);
182 c4outmeml(card->mbase+DOORBELL, DBELL_RNWR | DBELL_ADDR);
183
184 if (wait_for_doorbell(card, HZ/10) < 0)
185 return -1;
186
187 *valuep = c4inmeml(card->mbase+MBOX_PEEK_POKE);
188
189 return 0;
190 }
191
192 /* ------------------------------------------------------------- */
193
194 static int c4_load_t4file(avmcard *card, capiloaddatapart * t4file)
195 {
196 u32 val;
197 unsigned char *dp;
198 u_int left;
199 u32 loadoff = 0;
200
201 dp = t4file->data;
202 left = t4file->len;
203 while (left >= sizeof(u32)) {
204 if (t4file->user) {
205 if (copy_from_user(&val, dp, sizeof(val)))
206 return -EFAULT;
207 } else {
208 memcpy(&val, dp, sizeof(val));
209 }
210 if (c4_poke(card, loadoff, val)) {
211 printk(KERN_ERR "%s: corrupted firmware file ?\n",
212 card->name);
213 return -EIO;
214 }
215 left -= sizeof(u32);
216 dp += sizeof(u32);
217 loadoff += sizeof(u32);
218 }
219 if (left) {
220 val = 0;
221 if (t4file->user) {
222 if (copy_from_user(&val, dp, left))
223 return -EFAULT;
224 } else {
225 memcpy(&val, dp, left);
226 }
227 if (c4_poke(card, loadoff, val)) {
228 printk(KERN_ERR "%s: corrupted firmware file ?\n",
229 card->name);
230 return -EIO;
231 }
232 }
233 return 0;
234 }
235
236 /* ------------------------------------------------------------- */
237
238 static inline void _put_byte(void **pp, u8 val)
239 {
240 u8 *s = *pp;
241 *s++ = val;
242 *pp = s;
243 }
244
245 static inline void _put_word(void **pp, u32 val)
246 {
247 u8 *s = *pp;
248 *s++ = val & 0xff;
249 *s++ = (val >> 8) & 0xff;
250 *s++ = (val >> 16) & 0xff;
251 *s++ = (val >> 24) & 0xff;
252 *pp = s;
253 }
254
255 static inline void _put_slice(void **pp, unsigned char *dp, unsigned int len)
256 {
257 unsigned i = len;
258 _put_word(pp, i);
259 while (i-- > 0)
260 _put_byte(pp, *dp++);
261 }
262
263 static inline u8 _get_byte(void **pp)
264 {
265 u8 *s = *pp;
266 u8 val;
267 val = *s++;
268 *pp = s;
269 return val;
270 }
271
272 static inline u32 _get_word(void **pp)
273 {
274 u8 *s = *pp;
275 u32 val;
276 val = *s++;
277 val |= (*s++ << 8);
278 val |= (*s++ << 16);
279 val |= (*s++ << 24);
280 *pp = s;
281 return val;
282 }
283
284 static inline u32 _get_slice(void **pp, unsigned char *dp)
285 {
286 unsigned int len, i;
287
288 len = i = _get_word(pp);
289 while (i-- > 0) *dp++ = _get_byte(pp);
290 return len;
291 }
292
293 /* ------------------------------------------------------------- */
294
295 static void c4_reset(avmcard *card)
296 {
297 unsigned long stop;
298
299 c4outmeml(card->mbase+DOORBELL, DBELL_RESET_ARM);
300
301 stop = jiffies + HZ*10;
302 while (c4inmeml(card->mbase+DOORBELL) != 0xffffffff) {
303 if (!time_before(jiffies, stop))
304 return;
305 c4outmeml(card->mbase+DOORBELL, DBELL_ADDR);
306 mb();
307 }
308
309 c4_poke(card, DC21285_ARMCSR_BASE + CHAN_1_CONTROL, 0);
310 c4_poke(card, DC21285_ARMCSR_BASE + CHAN_2_CONTROL, 0);
311 }
312
313 /* ------------------------------------------------------------- */
314
315 static int c4_detect(avmcard *card)
316 {
317 unsigned long stop, dummy;
318
319 c4outmeml(card->mbase+PCI_OUT_INT_MASK, 0x0c);
320 if (c4inmeml(card->mbase+PCI_OUT_INT_MASK) != 0x0c)
321 return 1;
322
323 c4outmeml(card->mbase+DOORBELL, DBELL_RESET_ARM);
324
325 stop = jiffies + HZ*10;
326 while (c4inmeml(card->mbase+DOORBELL) != 0xffffffff) {
327 if (!time_before(jiffies, stop))
328 return 2;
329 c4outmeml(card->mbase+DOORBELL, DBELL_ADDR);
330 mb();
331 }
332
333 c4_poke(card, DC21285_ARMCSR_BASE + CHAN_1_CONTROL, 0);
334 c4_poke(card, DC21285_ARMCSR_BASE + CHAN_2_CONTROL, 0);
335
336 c4outmeml(card->mbase+MAILBOX_0, 0x55aa55aa);
337 if (c4inmeml(card->mbase+MAILBOX_0) != 0x55aa55aa) return 3;
338
339 c4outmeml(card->mbase+MAILBOX_0, 0xaa55aa55);
340 if (c4inmeml(card->mbase+MAILBOX_0) != 0xaa55aa55) return 4;
341
342 if (c4_poke(card, DC21285_ARMCSR_BASE+DBELL_SA_MASK, 0)) return 5;
343 if (c4_poke(card, DC21285_ARMCSR_BASE+DBELL_PCI_MASK, 0)) return 6;
344 if (c4_poke(card, DC21285_ARMCSR_BASE+SA_CONTROL, SA_CTL_ALLRIGHT))
345 return 7;
346 if (c4_poke(card, DC21285_ARMCSR_BASE+XBUS_CYCLE, INIT_XBUS_CYCLE))
347 return 8;
348 if (c4_poke(card, DC21285_ARMCSR_BASE+XBUS_STROBE, INIT_XBUS_STROBE))
349 return 8;
350 if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_TIMING, 0)) return 9;
351
352 mdelay(1);
353
354 if (c4_peek(card, DC21285_DRAM_A0MR, &dummy)) return 10;
355 if (c4_peek(card, DC21285_DRAM_A1MR, &dummy)) return 11;
356 if (c4_peek(card, DC21285_DRAM_A2MR, &dummy)) return 12;
357 if (c4_peek(card, DC21285_DRAM_A3MR, &dummy)) return 13;
358
359 if (c4_poke(card, DC21285_DRAM_A0MR+CAS_OFFSET, 0)) return 14;
360 if (c4_poke(card, DC21285_DRAM_A1MR+CAS_OFFSET, 0)) return 15;
361 if (c4_poke(card, DC21285_DRAM_A2MR+CAS_OFFSET, 0)) return 16;
362 if (c4_poke(card, DC21285_DRAM_A3MR+CAS_OFFSET, 0)) return 17;
363
364 mdelay(1);
365
366 if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_TIMING, DRAM_TIMING_DEF))
367 return 18;
368
369 if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_0,DRAM_AD_SZ_DEF0))
370 return 19;
371 if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_1,DRAM_AD_SZ_NULL))
372 return 20;
373 if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_2,DRAM_AD_SZ_NULL))
374 return 21;
375 if (c4_poke(card, DC21285_ARMCSR_BASE+DRAM_ADDR_SIZE_3,DRAM_AD_SZ_NULL))
376 return 22;
377
378 /* Transputer test */
379
380 if ( c4_poke(card, 0x000000, 0x11111111)
381 || c4_poke(card, 0x400000, 0x22222222)
382 || c4_poke(card, 0x800000, 0x33333333)
383 || c4_poke(card, 0xC00000, 0x44444444))
384 return 23;
385
386 if ( c4_peek(card, 0x000000, &dummy) || dummy != 0x11111111
387 || c4_peek(card, 0x400000, &dummy) || dummy != 0x22222222
388 || c4_peek(card, 0x800000, &dummy) || dummy != 0x33333333
389 || c4_peek(card, 0xC00000, &dummy) || dummy != 0x44444444)
390 return 24;
391
392 if ( c4_poke(card, 0x000000, 0x55555555)
393 || c4_poke(card, 0x400000, 0x66666666)
394 || c4_poke(card, 0x800000, 0x77777777)
395 || c4_poke(card, 0xC00000, 0x88888888))
396 return 25;
397
398 if ( c4_peek(card, 0x000000, &dummy) || dummy != 0x55555555
399 || c4_peek(card, 0x400000, &dummy) || dummy != 0x66666666
400 || c4_peek(card, 0x800000, &dummy) || dummy != 0x77777777
401 || c4_peek(card, 0xC00000, &dummy) || dummy != 0x88888888)
402 return 26;
403
404 return 0;
405 }
406
407 /* ------------------------------------------------------------- */
408
409 static void c4_dispatch_tx(avmcard *card)
410 {
411 avmcard_dmainfo *dma = card->dma;
412 struct sk_buff *skb;
413 u8 cmd, subcmd;
414 u16 len;
415 u32 txlen;
416 void *p;
417
418
419 if (card->csr & DBELL_DOWN_ARM) { /* tx busy */
420 return;
421 }
422
423 skb = skb_dequeue(&dma->send_queue);
424 if (!skb) {
425 #ifdef AVM_C4_DEBUG
426 printk(KERN_DEBUG "%s: tx underrun\n", card->name);
427 #endif
428 return;
429 }
430
431 len = CAPIMSG_LEN(skb->data);
432
433 if (len) {
434 cmd = CAPIMSG_COMMAND(skb->data);
435 subcmd = CAPIMSG_SUBCOMMAND(skb->data);
436
437 p = dma->sendbuf.dmabuf;
438
439 if (CAPICMD(cmd, subcmd) == CAPI_DATA_B3_REQ) {
440 u16 dlen = CAPIMSG_DATALEN(skb->data);
441 _put_byte(&p, SEND_DATA_B3_REQ);
442 _put_slice(&p, skb->data, len);
443 _put_slice(&p, skb->data + len, dlen);
444 } else {
445 _put_byte(&p, SEND_MESSAGE);
446 _put_slice(&p, skb->data, len);
447 }
448 txlen = (u8 *)p - (u8 *)dma->sendbuf.dmabuf;
449 #ifdef AVM_C4_DEBUG
450 printk(KERN_DEBUG "%s: tx put msg len=%d\n", card->name, txlen);
451 #endif
452 } else {
453 txlen = skb->len-2;
454 #ifdef AVM_C4_POLLDEBUG
455 if (skb->data[2] == SEND_POLLACK)
456 printk(KERN_INFO "%s: ack to c4\n", card->name);
457 #endif
458 #ifdef AVM_C4_DEBUG
459 printk(KERN_DEBUG "%s: tx put 0x%x len=%d\n",
460 card->name, skb->data[2], txlen);
461 #endif
462 skb_copy_from_linear_data_offset(skb, 2, dma->sendbuf.dmabuf,
463 skb->len - 2);
464 }
465 txlen = (txlen + 3) & ~3;
466
467 c4outmeml(card->mbase+MBOX_DOWN_ADDR, dma->sendbuf.dmaaddr);
468 c4outmeml(card->mbase+MBOX_DOWN_LEN, txlen);
469
470 card->csr |= DBELL_DOWN_ARM;
471
472 c4outmeml(card->mbase+DOORBELL, DBELL_DOWN_ARM);
473
474 dev_kfree_skb_any(skb);
475 }
476
477 /* ------------------------------------------------------------- */
478
479 static void queue_pollack(avmcard *card)
480 {
481 struct sk_buff *skb;
482 void *p;
483
484 skb = alloc_skb(3, GFP_ATOMIC);
485 if (!skb) {
486 printk(KERN_CRIT "%s: no memory, lost poll ack\n",
487 card->name);
488 return;
489 }
490 p = skb->data;
491 _put_byte(&p, 0);
492 _put_byte(&p, 0);
493 _put_byte(&p, SEND_POLLACK);
494 skb_put(skb, (u8 *)p - (u8 *)skb->data);
495
496 skb_queue_tail(&card->dma->send_queue, skb);
497 c4_dispatch_tx(card);
498 }
499
500 /* ------------------------------------------------------------- */
501
502 static void c4_handle_rx(avmcard *card)
503 {
504 avmcard_dmainfo *dma = card->dma;
505 struct capi_ctr *ctrl;
506 avmctrl_info *cinfo;
507 struct sk_buff *skb;
508 void *p = dma->recvbuf.dmabuf;
509 u32 ApplId, MsgLen, DataB3Len, NCCI, WindowSize;
510 u8 b1cmd = _get_byte(&p);
511 u32 cidx;
512
513
514 #ifdef AVM_C4_DEBUG
515 printk(KERN_DEBUG "%s: rx 0x%x len=%lu\n", card->name,
516 b1cmd, (unsigned long)dma->recvlen);
517 #endif
518
519 switch (b1cmd) {
520 case RECEIVE_DATA_B3_IND:
521
522 ApplId = (unsigned) _get_word(&p);
523 MsgLen = _get_slice(&p, card->msgbuf);
524 DataB3Len = _get_slice(&p, card->databuf);
525 cidx = CAPIMSG_CONTROLLER(card->msgbuf)-card->cardnr;
526 if (cidx >= card->nlogcontr) cidx = 0;
527 ctrl = &card->ctrlinfo[cidx].capi_ctrl;
528
529 if (MsgLen < 30) { /* not CAPI 64Bit */
530 memset(card->msgbuf+MsgLen, 0, 30-MsgLen);
531 MsgLen = 30;
532 CAPIMSG_SETLEN(card->msgbuf, 30);
533 }
534 if (!(skb = alloc_skb(DataB3Len+MsgLen, GFP_ATOMIC))) {
535 printk(KERN_ERR "%s: incoming packet dropped\n",
536 card->name);
537 } else {
538 memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
539 memcpy(skb_put(skb, DataB3Len), card->databuf, DataB3Len);
540 capi_ctr_handle_message(ctrl, ApplId, skb);
541 }
542 break;
543
544 case RECEIVE_MESSAGE:
545
546 ApplId = (unsigned) _get_word(&p);
547 MsgLen = _get_slice(&p, card->msgbuf);
548 cidx = CAPIMSG_CONTROLLER(card->msgbuf)-card->cardnr;
549 if (cidx >= card->nlogcontr) cidx = 0;
550 cinfo = &card->ctrlinfo[cidx];
551 ctrl = &card->ctrlinfo[cidx].capi_ctrl;
552
553 if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) {
554 printk(KERN_ERR "%s: incoming packet dropped\n",
555 card->name);
556 } else {
557 memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
558 if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_CONF)
559 capilib_data_b3_conf(&cinfo->ncci_head, ApplId,
560 CAPIMSG_NCCI(skb->data),
561 CAPIMSG_MSGID(skb->data));
562
563 capi_ctr_handle_message(ctrl, ApplId, skb);
564 }
565 break;
566
567 case RECEIVE_NEW_NCCI:
568
569 ApplId = _get_word(&p);
570 NCCI = _get_word(&p);
571 WindowSize = _get_word(&p);
572 cidx = (NCCI&0x7f) - card->cardnr;
573 if (cidx >= card->nlogcontr) cidx = 0;
574
575 capilib_new_ncci(&card->ctrlinfo[cidx].ncci_head, ApplId, NCCI, WindowSize);
576
577 break;
578
579 case RECEIVE_FREE_NCCI:
580
581 ApplId = _get_word(&p);
582 NCCI = _get_word(&p);
583
584 if (NCCI != 0xffffffff) {
585 cidx = (NCCI&0x7f) - card->cardnr;
586 if (cidx >= card->nlogcontr) cidx = 0;
587 capilib_free_ncci(&card->ctrlinfo[cidx].ncci_head, ApplId, NCCI);
588 }
589 break;
590
591 case RECEIVE_START:
592 #ifdef AVM_C4_POLLDEBUG
593 printk(KERN_INFO "%s: poll from c4\n", card->name);
594 #endif
595 if (!suppress_pollack)
596 queue_pollack(card);
597 for (cidx=0; cidx < card->nr_controllers; cidx++) {
598 ctrl = &card->ctrlinfo[cidx].capi_ctrl;
599 capi_ctr_resume_output(ctrl);
600 }
601 break;
602
603 case RECEIVE_STOP:
604 for (cidx=0; cidx < card->nr_controllers; cidx++) {
605 ctrl = &card->ctrlinfo[cidx].capi_ctrl;
606 capi_ctr_suspend_output(ctrl);
607 }
608 break;
609
610 case RECEIVE_INIT:
611
612 cidx = card->nlogcontr;
613 if (cidx >= card->nr_controllers) {
614 printk(KERN_ERR "%s: card with %d controllers ??\n",
615 card->name, cidx+1);
616 break;
617 }
618 card->nlogcontr++;
619 cinfo = &card->ctrlinfo[cidx];
620 ctrl = &cinfo->capi_ctrl;
621 cinfo->versionlen = _get_slice(&p, cinfo->versionbuf);
622 b1_parse_version(cinfo);
623 printk(KERN_INFO "%s: %s-card (%s) now active\n",
624 card->name,
625 cinfo->version[VER_CARDTYPE],
626 cinfo->version[VER_DRIVER]);
627 capi_ctr_ready(&cinfo->capi_ctrl);
628 break;
629
630 case RECEIVE_TASK_READY:
631 ApplId = (unsigned) _get_word(&p);
632 MsgLen = _get_slice(&p, card->msgbuf);
633 card->msgbuf[MsgLen] = 0;
634 while ( MsgLen > 0
635 && ( card->msgbuf[MsgLen-1] == '\n'
636 || card->msgbuf[MsgLen-1] == '\r')) {
637 card->msgbuf[MsgLen-1] = 0;
638 MsgLen--;
639 }
640 printk(KERN_INFO "%s: task %d \"%s\" ready.\n",
641 card->name, ApplId, card->msgbuf);
642 break;
643
644 case RECEIVE_DEBUGMSG:
645 MsgLen = _get_slice(&p, card->msgbuf);
646 card->msgbuf[MsgLen] = 0;
647 while ( MsgLen > 0
648 && ( card->msgbuf[MsgLen-1] == '\n'
649 || card->msgbuf[MsgLen-1] == '\r')) {
650 card->msgbuf[MsgLen-1] = 0;
651 MsgLen--;
652 }
653 printk(KERN_INFO "%s: DEBUG: %s\n", card->name, card->msgbuf);
654 break;
655
656 default:
657 printk(KERN_ERR "%s: c4_interrupt: 0x%x ???\n",
658 card->name, b1cmd);
659 return;
660 }
661 }
662
663 /* ------------------------------------------------------------- */
664
665 static irqreturn_t c4_handle_interrupt(avmcard *card)
666 {
667 unsigned long flags;
668 u32 status;
669
670 spin_lock_irqsave(&card->lock, flags);
671 status = c4inmeml(card->mbase+DOORBELL);
672
673 if (status & DBELL_RESET_HOST) {
674 u_int i;
675 c4outmeml(card->mbase+PCI_OUT_INT_MASK, 0x0c);
676 spin_unlock_irqrestore(&card->lock, flags);
677 if (card->nlogcontr == 0)
678 return IRQ_HANDLED;
679 printk(KERN_ERR "%s: unexpected reset\n", card->name);
680 for (i=0; i < card->nr_controllers; i++) {
681 avmctrl_info *cinfo = &card->ctrlinfo[i];
682 memset(cinfo->version, 0, sizeof(cinfo->version));
683 spin_lock_irqsave(&card->lock, flags);
684 capilib_release(&cinfo->ncci_head);
685 spin_unlock_irqrestore(&card->lock, flags);
686 capi_ctr_down(&cinfo->capi_ctrl);
687 }
688 card->nlogcontr = 0;
689 return IRQ_HANDLED;
690 }
691
692 status &= (DBELL_UP_HOST | DBELL_DOWN_HOST);
693 if (!status) {
694 spin_unlock_irqrestore(&card->lock, flags);
695 return IRQ_HANDLED;
696 }
697 c4outmeml(card->mbase+DOORBELL, status);
698
699 if ((status & DBELL_UP_HOST) != 0) {
700 card->dma->recvlen = c4inmeml(card->mbase+MBOX_UP_LEN);
701 c4outmeml(card->mbase+MBOX_UP_LEN, 0);
702 c4_handle_rx(card);
703 card->dma->recvlen = 0;
704 c4outmeml(card->mbase+MBOX_UP_LEN, card->dma->recvbuf.size);
705 c4outmeml(card->mbase+DOORBELL, DBELL_UP_ARM);
706 }
707
708 if ((status & DBELL_DOWN_HOST) != 0) {
709 card->csr &= ~DBELL_DOWN_ARM;
710 c4_dispatch_tx(card);
711 } else if (card->csr & DBELL_DOWN_HOST) {
712 if (c4inmeml(card->mbase+MBOX_DOWN_LEN) == 0) {
713 card->csr &= ~DBELL_DOWN_ARM;
714 c4_dispatch_tx(card);
715 }
716 }
717 spin_unlock_irqrestore(&card->lock, flags);
718 return IRQ_HANDLED;
719 }
720
721 static irqreturn_t c4_interrupt(int interrupt, void *devptr)
722 {
723 avmcard *card = devptr;
724
725 return c4_handle_interrupt(card);
726 }
727
728 /* ------------------------------------------------------------- */
729
730 static void c4_send_init(avmcard *card)
731 {
732 struct sk_buff *skb;
733 void *p;
734 unsigned long flags;
735
736 skb = alloc_skb(15, GFP_ATOMIC);
737 if (!skb) {
738 printk(KERN_CRIT "%s: no memory, lost register appl.\n",
739 card->name);
740 return;
741 }
742 p = skb->data;
743 _put_byte(&p, 0);
744 _put_byte(&p, 0);
745 _put_byte(&p, SEND_INIT);
746 _put_word(&p, CAPI_MAXAPPL);
747 _put_word(&p, AVM_NCCI_PER_CHANNEL*30);
748 _put_word(&p, card->cardnr - 1);
749 skb_put(skb, (u8 *)p - (u8 *)skb->data);
750
751 skb_queue_tail(&card->dma->send_queue, skb);
752 spin_lock_irqsave(&card->lock, flags);
753 c4_dispatch_tx(card);
754 spin_unlock_irqrestore(&card->lock, flags);
755 }
756
757 static int queue_sendconfigword(avmcard *card, u32 val)
758 {
759 struct sk_buff *skb;
760 unsigned long flags;
761 void *p;
762
763 skb = alloc_skb(3+4, GFP_ATOMIC);
764 if (!skb) {
765 printk(KERN_CRIT "%s: no memory, send config\n",
766 card->name);
767 return -ENOMEM;
768 }
769 p = skb->data;
770 _put_byte(&p, 0);
771 _put_byte(&p, 0);
772 _put_byte(&p, SEND_CONFIG);
773 _put_word(&p, val);
774 skb_put(skb, (u8 *)p - (u8 *)skb->data);
775
776 skb_queue_tail(&card->dma->send_queue, skb);
777 spin_lock_irqsave(&card->lock, flags);
778 c4_dispatch_tx(card);
779 spin_unlock_irqrestore(&card->lock, flags);
780 return 0;
781 }
782
783 static int queue_sendconfig(avmcard *card, char cval[4])
784 {
785 struct sk_buff *skb;
786 unsigned long flags;
787 void *p;
788
789 skb = alloc_skb(3+4, GFP_ATOMIC);
790 if (!skb) {
791 printk(KERN_CRIT "%s: no memory, send config\n",
792 card->name);
793 return -ENOMEM;
794 }
795 p = skb->data;
796 _put_byte(&p, 0);
797 _put_byte(&p, 0);
798 _put_byte(&p, SEND_CONFIG);
799 _put_byte(&p, cval[0]);
800 _put_byte(&p, cval[1]);
801 _put_byte(&p, cval[2]);
802 _put_byte(&p, cval[3]);
803 skb_put(skb, (u8 *)p - (u8 *)skb->data);
804
805 skb_queue_tail(&card->dma->send_queue, skb);
806
807 spin_lock_irqsave(&card->lock, flags);
808 c4_dispatch_tx(card);
809 spin_unlock_irqrestore(&card->lock, flags);
810 return 0;
811 }
812
813 static int c4_send_config(avmcard *card, capiloaddatapart * config)
814 {
815 u8 val[4];
816 unsigned char *dp;
817 u_int left;
818 int retval;
819
820 if ((retval = queue_sendconfigword(card, 1)) != 0)
821 return retval;
822 if ((retval = queue_sendconfigword(card, config->len)) != 0)
823 return retval;
824
825 dp = config->data;
826 left = config->len;
827 while (left >= sizeof(u32)) {
828 if (config->user) {
829 if (copy_from_user(val, dp, sizeof(val)))
830 return -EFAULT;
831 } else {
832 memcpy(val, dp, sizeof(val));
833 }
834 if ((retval = queue_sendconfig(card, val)) != 0)
835 return retval;
836 left -= sizeof(val);
837 dp += sizeof(val);
838 }
839 if (left) {
840 memset(val, 0, sizeof(val));
841 if (config->user) {
842 if (copy_from_user(&val, dp, left))
843 return -EFAULT;
844 } else {
845 memcpy(&val, dp, left);
846 }
847 if ((retval = queue_sendconfig(card, val)) != 0)
848 return retval;
849 }
850
851 return 0;
852 }
853
854 static int c4_load_firmware(struct capi_ctr *ctrl, capiloaddata *data)
855 {
856 avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
857 avmcard *card = cinfo->card;
858 int retval;
859
860 if ((retval = c4_load_t4file(card, &data->firmware))) {
861 printk(KERN_ERR "%s: failed to load t4file!!\n",
862 card->name);
863 c4_reset(card);
864 return retval;
865 }
866
867 card->csr = 0;
868 c4outmeml(card->mbase+MBOX_UP_LEN, 0);
869 c4outmeml(card->mbase+MBOX_DOWN_LEN, 0);
870 c4outmeml(card->mbase+DOORBELL, DBELL_INIT);
871 mdelay(1);
872 c4outmeml(card->mbase+DOORBELL,
873 DBELL_UP_HOST | DBELL_DOWN_HOST | DBELL_RESET_HOST);
874
875 c4outmeml(card->mbase+PCI_OUT_INT_MASK, 0x08);
876
877 card->dma->recvlen = 0;
878 c4outmeml(card->mbase+MBOX_UP_ADDR, card->dma->recvbuf.dmaaddr);
879 c4outmeml(card->mbase+MBOX_UP_LEN, card->dma->recvbuf.size);
880 c4outmeml(card->mbase+DOORBELL, DBELL_UP_ARM);
881
882 if (data->configuration.len > 0 && data->configuration.data) {
883 retval = c4_send_config(card, &data->configuration);
884 if (retval) {
885 printk(KERN_ERR "%s: failed to set config!!\n",
886 card->name);
887 c4_reset(card);
888 return retval;
889 }
890 }
891
892 c4_send_init(card);
893
894 return 0;
895 }
896
897
898 static void c4_reset_ctr(struct capi_ctr *ctrl)
899 {
900 avmcard *card = ((avmctrl_info *)(ctrl->driverdata))->card;
901 avmctrl_info *cinfo;
902 u_int i;
903 unsigned long flags;
904
905 spin_lock_irqsave(&card->lock, flags);
906
907 c4_reset(card);
908
909 spin_unlock_irqrestore(&card->lock, flags);
910
911 for (i=0; i < card->nr_controllers; i++) {
912 cinfo = &card->ctrlinfo[i];
913 memset(cinfo->version, 0, sizeof(cinfo->version));
914 capi_ctr_down(&cinfo->capi_ctrl);
915 }
916 card->nlogcontr = 0;
917 }
918
919 static void c4_remove(struct pci_dev *pdev)
920 {
921 avmcard *card = pci_get_drvdata(pdev);
922 avmctrl_info *cinfo;
923 u_int i;
924
925 if (!card)
926 return;
927
928 c4_reset(card);
929
930 for (i=0; i < card->nr_controllers; i++) {
931 cinfo = &card->ctrlinfo[i];
932 detach_capi_ctr(&cinfo->capi_ctrl);
933 }
934
935 free_irq(card->irq, card);
936 iounmap(card->mbase);
937 release_region(card->port, AVMB1_PORTLEN);
938 avmcard_dma_free(card->dma);
939 pci_set_drvdata(pdev, NULL);
940 b1_free_card(card);
941 }
942
943 /* ------------------------------------------------------------- */
944
945
946 static void c4_register_appl(struct capi_ctr *ctrl,
947 u16 appl,
948 capi_register_params *rp)
949 {
950 avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
951 avmcard *card = cinfo->card;
952 struct sk_buff *skb;
953 int want = rp->level3cnt;
954 unsigned long flags;
955 int nconn;
956 void *p;
957
958 if (ctrl->cnr == card->cardnr) {
959
960 if (want > 0) nconn = want;
961 else nconn = ctrl->profile.nbchannel * 4 * -want;
962 if (nconn == 0) nconn = ctrl->profile.nbchannel * 4;
963
964 skb = alloc_skb(23, GFP_ATOMIC);
965 if (!skb) {
966 printk(KERN_CRIT "%s: no memory, lost register appl.\n",
967 card->name);
968 return;
969 }
970 p = skb->data;
971 _put_byte(&p, 0);
972 _put_byte(&p, 0);
973 _put_byte(&p, SEND_REGISTER);
974 _put_word(&p, appl);
975 _put_word(&p, 1024 * (nconn+1));
976 _put_word(&p, nconn);
977 _put_word(&p, rp->datablkcnt);
978 _put_word(&p, rp->datablklen);
979 skb_put(skb, (u8 *)p - (u8 *)skb->data);
980
981 skb_queue_tail(&card->dma->send_queue, skb);
982
983 spin_lock_irqsave(&card->lock, flags);
984 c4_dispatch_tx(card);
985 spin_unlock_irqrestore(&card->lock, flags);
986 }
987 }
988
989 /* ------------------------------------------------------------- */
990
991 static void c4_release_appl(struct capi_ctr *ctrl, u16 appl)
992 {
993 avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
994 avmcard *card = cinfo->card;
995 unsigned long flags;
996 struct sk_buff *skb;
997 void *p;
998
999 spin_lock_irqsave(&card->lock, flags);
1000 capilib_release_appl(&cinfo->ncci_head, appl);
1001 spin_unlock_irqrestore(&card->lock, flags);
1002
1003 if (ctrl->cnr == card->cardnr) {
1004 skb = alloc_skb(7, GFP_ATOMIC);
1005 if (!skb) {
1006 printk(KERN_CRIT "%s: no memory, lost release appl.\n",
1007 card->name);
1008 return;
1009 }
1010 p = skb->data;
1011 _put_byte(&p, 0);
1012 _put_byte(&p, 0);
1013 _put_byte(&p, SEND_RELEASE);
1014 _put_word(&p, appl);
1015
1016 skb_put(skb, (u8 *)p - (u8 *)skb->data);
1017 skb_queue_tail(&card->dma->send_queue, skb);
1018 spin_lock_irqsave(&card->lock, flags);
1019 c4_dispatch_tx(card);
1020 spin_unlock_irqrestore(&card->lock, flags);
1021 }
1022 }
1023
1024 /* ------------------------------------------------------------- */
1025
1026
1027 static u16 c4_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
1028 {
1029 avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
1030 avmcard *card = cinfo->card;
1031 u16 retval = CAPI_NOERROR;
1032 unsigned long flags;
1033
1034 spin_lock_irqsave(&card->lock, flags);
1035 if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_REQ) {
1036 retval = capilib_data_b3_req(&cinfo->ncci_head,
1037 CAPIMSG_APPID(skb->data),
1038 CAPIMSG_NCCI(skb->data),
1039 CAPIMSG_MSGID(skb->data));
1040 }
1041 if (retval == CAPI_NOERROR) {
1042 skb_queue_tail(&card->dma->send_queue, skb);
1043 c4_dispatch_tx(card);
1044 }
1045 spin_unlock_irqrestore(&card->lock, flags);
1046 return retval;
1047 }
1048
1049 /* ------------------------------------------------------------- */
1050
1051 static char *c4_procinfo(struct capi_ctr *ctrl)
1052 {
1053 avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
1054
1055 if (!cinfo)
1056 return "";
1057 sprintf(cinfo->infobuf, "%s %s 0x%x %d 0x%lx",
1058 cinfo->cardname[0] ? cinfo->cardname : "-",
1059 cinfo->version[VER_DRIVER] ? cinfo->version[VER_DRIVER] : "-",
1060 cinfo->card ? cinfo->card->port : 0x0,
1061 cinfo->card ? cinfo->card->irq : 0,
1062 cinfo->card ? cinfo->card->membase : 0
1063 );
1064 return cinfo->infobuf;
1065 }
1066
1067 static int c4_proc_show(struct seq_file *m, void *v)
1068 {
1069 struct capi_ctr *ctrl = m->private;
1070 avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
1071 avmcard *card = cinfo->card;
1072 u8 flag;
1073 char *s;
1074
1075 seq_printf(m, "%-16s %s\n", "name", card->name);
1076 seq_printf(m, "%-16s 0x%x\n", "io", card->port);
1077 seq_printf(m, "%-16s %d\n", "irq", card->irq);
1078 seq_printf(m, "%-16s 0x%lx\n", "membase", card->membase);
1079 switch (card->cardtype) {
1080 case avm_b1isa: s = "B1 ISA"; break;
1081 case avm_b1pci: s = "B1 PCI"; break;
1082 case avm_b1pcmcia: s = "B1 PCMCIA"; break;
1083 case avm_m1: s = "M1"; break;
1084 case avm_m2: s = "M2"; break;
1085 case avm_t1isa: s = "T1 ISA (HEMA)"; break;
1086 case avm_t1pci: s = "T1 PCI"; break;
1087 case avm_c4: s = "C4"; break;
1088 case avm_c2: s = "C2"; break;
1089 default: s = "???"; break;
1090 }
1091 seq_printf(m, "%-16s %s\n", "type", s);
1092 if ((s = cinfo->version[VER_DRIVER]) != NULL)
1093 seq_printf(m, "%-16s %s\n", "ver_driver", s);
1094 if ((s = cinfo->version[VER_CARDTYPE]) != NULL)
1095 seq_printf(m, "%-16s %s\n", "ver_cardtype", s);
1096 if ((s = cinfo->version[VER_SERIAL]) != NULL)
1097 seq_printf(m, "%-16s %s\n", "ver_serial", s);
1098
1099 if (card->cardtype != avm_m1) {
1100 flag = ((u8 *)(ctrl->profile.manu))[3];
1101 if (flag)
1102 seq_printf(m, "%-16s%s%s%s%s%s%s%s\n",
1103 "protocol",
1104 (flag & 0x01) ? " DSS1" : "",
1105 (flag & 0x02) ? " CT1" : "",
1106 (flag & 0x04) ? " VN3" : "",
1107 (flag & 0x08) ? " NI1" : "",
1108 (flag & 0x10) ? " AUSTEL" : "",
1109 (flag & 0x20) ? " ESS" : "",
1110 (flag & 0x40) ? " 1TR6" : ""
1111 );
1112 }
1113 if (card->cardtype != avm_m1) {
1114 flag = ((u8 *)(ctrl->profile.manu))[5];
1115 if (flag)
1116 seq_printf(m, "%-16s%s%s%s%s\n",
1117 "linetype",
1118 (flag & 0x01) ? " point to point" : "",
1119 (flag & 0x02) ? " point to multipoint" : "",
1120 (flag & 0x08) ? " leased line without D-channel" : "",
1121 (flag & 0x04) ? " leased line with D-channel" : ""
1122 );
1123 }
1124 seq_printf(m, "%-16s %s\n", "cardname", cinfo->cardname);
1125
1126 return 0;
1127 }
1128
1129 static int c4_proc_open(struct inode *inode, struct file *file)
1130 {
1131 return single_open(file, c4_proc_show, PDE(inode)->data);
1132 }
1133
1134 static const struct file_operations c4_proc_fops = {
1135 .owner = THIS_MODULE,
1136 .open = c4_proc_open,
1137 .read = seq_read,
1138 .llseek = seq_lseek,
1139 .release = single_release,
1140 };
1141
1142 /* ------------------------------------------------------------- */
1143
1144 static int c4_add_card(struct capicardparams *p, struct pci_dev *dev,
1145 int nr_controllers)
1146 {
1147 avmcard *card;
1148 avmctrl_info *cinfo;
1149 int retval;
1150 int i;
1151
1152 card = b1_alloc_card(nr_controllers);
1153 if (!card) {
1154 printk(KERN_WARNING "c4: no memory.\n");
1155 retval = -ENOMEM;
1156 goto err;
1157 }
1158 card->dma = avmcard_dma_alloc("c4", dev, 2048+128, 2048+128);
1159 if (!card->dma) {
1160 printk(KERN_WARNING "c4: no memory.\n");
1161 retval = -ENOMEM;
1162 goto err_free;
1163 }
1164
1165 sprintf(card->name, "c%d-%x", nr_controllers, p->port);
1166 card->port = p->port;
1167 card->irq = p->irq;
1168 card->membase = p->membase;
1169 card->cardtype = (nr_controllers == 4) ? avm_c4 : avm_c2;
1170
1171 if (!request_region(card->port, AVMB1_PORTLEN, card->name)) {
1172 printk(KERN_WARNING "c4: ports 0x%03x-0x%03x in use.\n",
1173 card->port, card->port + AVMB1_PORTLEN);
1174 retval = -EBUSY;
1175 goto err_free_dma;
1176 }
1177
1178 card->mbase = ioremap(card->membase, 128);
1179 if (card->mbase == NULL) {
1180 printk(KERN_NOTICE "c4: can't remap memory at 0x%lx\n",
1181 card->membase);
1182 retval = -EIO;
1183 goto err_release_region;
1184 }
1185
1186 retval = c4_detect(card);
1187 if (retval != 0) {
1188 printk(KERN_NOTICE "c4: NO card at 0x%x error(%d)\n",
1189 card->port, retval);
1190 retval = -EIO;
1191 goto err_unmap;
1192 }
1193 c4_reset(card);
1194
1195 retval = request_irq(card->irq, c4_interrupt, IRQF_SHARED, card->name, card);
1196 if (retval) {
1197 printk(KERN_ERR "c4: unable to get IRQ %d.\n",card->irq);
1198 retval = -EBUSY;
1199 goto err_unmap;
1200 }
1201
1202 for (i=0; i < nr_controllers ; i++) {
1203 cinfo = &card->ctrlinfo[i];
1204 cinfo->capi_ctrl.owner = THIS_MODULE;
1205 cinfo->capi_ctrl.driver_name = "c4";
1206 cinfo->capi_ctrl.driverdata = cinfo;
1207 cinfo->capi_ctrl.register_appl = c4_register_appl;
1208 cinfo->capi_ctrl.release_appl = c4_release_appl;
1209 cinfo->capi_ctrl.send_message = c4_send_message;
1210 cinfo->capi_ctrl.load_firmware = c4_load_firmware;
1211 cinfo->capi_ctrl.reset_ctr = c4_reset_ctr;
1212 cinfo->capi_ctrl.procinfo = c4_procinfo;
1213 cinfo->capi_ctrl.proc_fops = &c4_proc_fops;
1214 strcpy(cinfo->capi_ctrl.name, card->name);
1215
1216 retval = attach_capi_ctr(&cinfo->capi_ctrl);
1217 if (retval) {
1218 printk(KERN_ERR "c4: attach controller failed (%d).\n", i);
1219 for (i--; i >= 0; i--) {
1220 cinfo = &card->ctrlinfo[i];
1221 detach_capi_ctr(&cinfo->capi_ctrl);
1222 }
1223 goto err_free_irq;
1224 }
1225 if (i == 0)
1226 card->cardnr = cinfo->capi_ctrl.cnr;
1227 }
1228
1229 printk(KERN_INFO "c4: AVM C%d at i/o %#x, irq %d, mem %#lx\n",
1230 nr_controllers, card->port, card->irq,
1231 card->membase);
1232 pci_set_drvdata(dev, card);
1233 return 0;
1234
1235 err_free_irq:
1236 free_irq(card->irq, card);
1237 err_unmap:
1238 iounmap(card->mbase);
1239 err_release_region:
1240 release_region(card->port, AVMB1_PORTLEN);
1241 err_free_dma:
1242 avmcard_dma_free(card->dma);
1243 err_free:
1244 b1_free_card(card);
1245 err:
1246 return retval;
1247 }
1248
1249 /* ------------------------------------------------------------- */
1250
1251 static int __devinit c4_probe(struct pci_dev *dev,
1252 const struct pci_device_id *ent)
1253 {
1254 int nr = ent->driver_data;
1255 int retval = 0;
1256 struct capicardparams param;
1257
1258 if (pci_enable_device(dev) < 0) {
1259 printk(KERN_ERR "c4: failed to enable AVM-C%d\n", nr);
1260 return -ENODEV;
1261 }
1262 pci_set_master(dev);
1263
1264 param.port = pci_resource_start(dev, 1);
1265 param.irq = dev->irq;
1266 param.membase = pci_resource_start(dev, 0);
1267
1268 printk(KERN_INFO "c4: PCI BIOS reports AVM-C%d at i/o %#x, irq %d, mem %#x\n",
1269 nr, param.port, param.irq, param.membase);
1270
1271 retval = c4_add_card(&param, dev, nr);
1272 if (retval != 0) {
1273 printk(KERN_ERR "c4: no AVM-C%d at i/o %#x, irq %d detected, mem %#x\n",
1274 nr, param.port, param.irq, param.membase);
1275 return -ENODEV;
1276 }
1277 return 0;
1278 }
1279
1280 static struct pci_driver c4_pci_driver = {
1281 .name = "c4",
1282 .id_table = c4_pci_tbl,
1283 .probe = c4_probe,
1284 .remove = c4_remove,
1285 };
1286
1287 static struct capi_driver capi_driver_c2 = {
1288 .name = "c2",
1289 .revision = "1.0",
1290 };
1291
1292 static struct capi_driver capi_driver_c4 = {
1293 .name = "c4",
1294 .revision = "1.0",
1295 };
1296
1297 static int __init c4_init(void)
1298 {
1299 char *p;
1300 char rev[32];
1301 int err;
1302
1303 if ((p = strchr(revision, ':')) != NULL && p[1]) {
1304 strlcpy(rev, p + 2, 32);
1305 if ((p = strchr(rev, '$')) != NULL && p > rev)
1306 *(p-1) = 0;
1307 } else
1308 strcpy(rev, "1.0");
1309
1310 err = pci_register_driver(&c4_pci_driver);
1311 if (!err) {
1312 strlcpy(capi_driver_c2.revision, rev, 32);
1313 register_capi_driver(&capi_driver_c2);
1314 strlcpy(capi_driver_c4.revision, rev, 32);
1315 register_capi_driver(&capi_driver_c4);
1316 printk(KERN_INFO "c4: revision %s\n", rev);
1317 }
1318 return err;
1319 }
1320
1321 static void __exit c4_exit(void)
1322 {
1323 unregister_capi_driver(&capi_driver_c2);
1324 unregister_capi_driver(&capi_driver_c4);
1325 pci_unregister_driver(&c4_pci_driver);
1326 }
1327
1328 module_init(c4_init);
1329 module_exit(c4_exit);