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b1.c
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1 /* $Id: b1.c,v 1.1.2.2 2004/01/16 21:09:27 keil Exp $
2  *
3  * Common module for AVM B1 cards.
4  *
5  * Copyright 1999 by Carsten Paeth <[email protected]>
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/pci.h>
15 #include <linux/proc_fs.h>
16 #include <linux/seq_file.h>
17 #include <linux/skbuff.h>
18 #include <linux/delay.h>
19 #include <linux/mm.h>
20 #include <linux/interrupt.h>
21 #include <linux/ioport.h>
22 #include <linux/capi.h>
23 #include <linux/kernelcapi.h>
24 #include <linux/slab.h>
25 #include <asm/io.h>
26 #include <linux/init.h>
27 #include <asm/uaccess.h>
28 #include <linux/netdevice.h>
29 #include <linux/isdn/capilli.h>
30 #include "avmcard.h"
31 #include <linux/isdn/capicmd.h>
32 #include <linux/isdn/capiutil.h>
33 
34 static char *revision = "$Revision: 1.1.2.2 $";
35 
36 /* ------------------------------------------------------------- */
37 
38 MODULE_DESCRIPTION("CAPI4Linux: Common support for active AVM cards");
39 MODULE_AUTHOR("Carsten Paeth");
40 MODULE_LICENSE("GPL");
41 
42 /* ------------------------------------------------------------- */
43 
44 int b1_irq_table[16] =
45 {0,
46  0,
47  0,
48  192, /* irq 3 */
49  32, /* irq 4 */
50  160, /* irq 5 */
51  96, /* irq 6 */
52  224, /* irq 7 */
53  0,
54  64, /* irq 9 */
55  80, /* irq 10 */
56  208, /* irq 11 */
57  48, /* irq 12 */
58  0,
59  0,
60  112, /* irq 15 */
61 };
62 
63 /* ------------------------------------------------------------- */
64 
65 avmcard *b1_alloc_card(int nr_controllers)
66 {
67  avmcard *card;
68  avmctrl_info *cinfo;
69  int i;
70 
71  card = kzalloc(sizeof(*card), GFP_KERNEL);
72  if (!card)
73  return NULL;
74 
75  cinfo = kzalloc(sizeof(*cinfo) * nr_controllers, GFP_KERNEL);
76  if (!cinfo) {
77  kfree(card);
78  return NULL;
79  }
80 
81  card->ctrlinfo = cinfo;
82  for (i = 0; i < nr_controllers; i++) {
83  INIT_LIST_HEAD(&cinfo[i].ncci_head);
84  cinfo[i].card = card;
85  }
86  spin_lock_init(&card->lock);
87  card->nr_controllers = nr_controllers;
88 
89  return card;
90 }
91 
92 /* ------------------------------------------------------------- */
93 
94 void b1_free_card(avmcard *card)
95 {
96  kfree(card->ctrlinfo);
97  kfree(card);
98 }
99 
100 /* ------------------------------------------------------------- */
101 
102 int b1_detect(unsigned int base, enum avmcardtype cardtype)
103 {
104  int onoff, i;
105 
106  /*
107  * Statusregister 0000 00xx
108  */
109  if ((inb(base + B1_INSTAT) & 0xfc)
110  || (inb(base + B1_OUTSTAT) & 0xfc))
111  return 1;
112  /*
113  * Statusregister 0000 001x
114  */
115  b1outp(base, B1_INSTAT, 0x2); /* enable irq */
116  /* b1outp(base, B1_OUTSTAT, 0x2); */
117  if ((inb(base + B1_INSTAT) & 0xfe) != 0x2
118  /* || (inb(base + B1_OUTSTAT) & 0xfe) != 0x2 */)
119  return 2;
120  /*
121  * Statusregister 0000 000x
122  */
123  b1outp(base, B1_INSTAT, 0x0); /* disable irq */
124  b1outp(base, B1_OUTSTAT, 0x0);
125  if ((inb(base + B1_INSTAT) & 0xfe)
126  || (inb(base + B1_OUTSTAT) & 0xfe))
127  return 3;
128 
129  for (onoff = !0, i = 0; i < 10; i++) {
130  b1_set_test_bit(base, cardtype, onoff);
131  if (b1_get_test_bit(base, cardtype) != onoff)
132  return 4;
133  onoff = !onoff;
134  }
135 
136  if (cardtype == avm_m1)
137  return 0;
138 
139  if ((b1_rd_reg(base, B1_STAT1(cardtype)) & 0x0f) != 0x01)
140  return 5;
141 
142  return 0;
143 }
144 
145 void b1_getrevision(avmcard *card)
146 {
147  card->class = inb(card->port + B1_ANALYSE);
148  card->revision = inb(card->port + B1_REVISION);
149 }
150 
151 #define FWBUF_SIZE 256
152 int b1_load_t4file(avmcard *card, capiloaddatapart *t4file)
153 {
154  unsigned char buf[FWBUF_SIZE];
155  unsigned char *dp;
156  int i, left;
157  unsigned int base = card->port;
158 
159  dp = t4file->data;
160  left = t4file->len;
161  while (left > FWBUF_SIZE) {
162  if (t4file->user) {
163  if (copy_from_user(buf, dp, FWBUF_SIZE))
164  return -EFAULT;
165  } else {
166  memcpy(buf, dp, FWBUF_SIZE);
167  }
168  for (i = 0; i < FWBUF_SIZE; i++)
169  if (b1_save_put_byte(base, buf[i]) < 0) {
170  printk(KERN_ERR "%s: corrupted firmware file ?\n",
171  card->name);
172  return -EIO;
173  }
174  left -= FWBUF_SIZE;
175  dp += FWBUF_SIZE;
176  }
177  if (left) {
178  if (t4file->user) {
179  if (copy_from_user(buf, dp, left))
180  return -EFAULT;
181  } else {
182  memcpy(buf, dp, left);
183  }
184  for (i = 0; i < left; i++)
185  if (b1_save_put_byte(base, buf[i]) < 0) {
186  printk(KERN_ERR "%s: corrupted firmware file ?\n",
187  card->name);
188  return -EIO;
189  }
190  }
191  return 0;
192 }
193 
194 int b1_load_config(avmcard *card, capiloaddatapart *config)
195 {
196  unsigned char buf[FWBUF_SIZE];
197  unsigned char *dp;
198  unsigned int base = card->port;
199  int i, j, left;
200 
201  dp = config->data;
202  left = config->len;
203  if (left) {
204  b1_put_byte(base, SEND_CONFIG);
205  b1_put_word(base, 1);
206  b1_put_byte(base, SEND_CONFIG);
207  b1_put_word(base, left);
208  }
209  while (left > FWBUF_SIZE) {
210  if (config->user) {
211  if (copy_from_user(buf, dp, FWBUF_SIZE))
212  return -EFAULT;
213  } else {
214  memcpy(buf, dp, FWBUF_SIZE);
215  }
216  for (i = 0; i < FWBUF_SIZE; ) {
217  b1_put_byte(base, SEND_CONFIG);
218  for (j = 0; j < 4; j++) {
219  b1_put_byte(base, buf[i++]);
220  }
221  }
222  left -= FWBUF_SIZE;
223  dp += FWBUF_SIZE;
224  }
225  if (left) {
226  if (config->user) {
227  if (copy_from_user(buf, dp, left))
228  return -EFAULT;
229  } else {
230  memcpy(buf, dp, left);
231  }
232  for (i = 0; i < left; ) {
233  b1_put_byte(base, SEND_CONFIG);
234  for (j = 0; j < 4; j++) {
235  if (i < left)
236  b1_put_byte(base, buf[i++]);
237  else
238  b1_put_byte(base, 0);
239  }
240  }
241  }
242  return 0;
243 }
244 
245 int b1_loaded(avmcard *card)
246 {
247  unsigned int base = card->port;
248  unsigned long stop;
249  unsigned char ans;
250  unsigned long tout = 2;
251 
252  for (stop = jiffies + tout * HZ; time_before(jiffies, stop);) {
253  if (b1_tx_empty(base))
254  break;
255  }
256  if (!b1_tx_empty(base)) {
257  printk(KERN_ERR "%s: b1_loaded: tx err, corrupted t4 file ?\n",
258  card->name);
259  return 0;
260  }
261  b1_put_byte(base, SEND_POLL);
262  for (stop = jiffies + tout * HZ; time_before(jiffies, stop);) {
263  if (b1_rx_full(base)) {
264  if ((ans = b1_get_byte(base)) == RECEIVE_POLL) {
265  return 1;
266  }
267  printk(KERN_ERR "%s: b1_loaded: got 0x%x, firmware not running\n",
268  card->name, ans);
269  return 0;
270  }
271  }
272  printk(KERN_ERR "%s: b1_loaded: firmware not running\n", card->name);
273  return 0;
274 }
275 
276 /* ------------------------------------------------------------- */
277 
278 int b1_load_firmware(struct capi_ctr *ctrl, capiloaddata *data)
279 {
280  avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
281  avmcard *card = cinfo->card;
282  unsigned int port = card->port;
283  unsigned long flags;
284  int retval;
285 
286  b1_reset(port);
287 
288  if ((retval = b1_load_t4file(card, &data->firmware))) {
289  b1_reset(port);
290  printk(KERN_ERR "%s: failed to load t4file!!\n",
291  card->name);
292  return retval;
293  }
294 
295  b1_disable_irq(port);
296 
297  if (data->configuration.len > 0 && data->configuration.data) {
298  if ((retval = b1_load_config(card, &data->configuration))) {
299  b1_reset(port);
300  printk(KERN_ERR "%s: failed to load config!!\n",
301  card->name);
302  return retval;
303  }
304  }
305 
306  if (!b1_loaded(card)) {
307  printk(KERN_ERR "%s: failed to load t4file.\n", card->name);
308  return -EIO;
309  }
310 
311  spin_lock_irqsave(&card->lock, flags);
312  b1_setinterrupt(port, card->irq, card->cardtype);
313  b1_put_byte(port, SEND_INIT);
314  b1_put_word(port, CAPI_MAXAPPL);
315  b1_put_word(port, AVM_NCCI_PER_CHANNEL * 2);
316  b1_put_word(port, ctrl->cnr - 1);
317  spin_unlock_irqrestore(&card->lock, flags);
318 
319  return 0;
320 }
321 
322 void b1_reset_ctr(struct capi_ctr *ctrl)
323 {
324  avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
325  avmcard *card = cinfo->card;
326  unsigned int port = card->port;
327  unsigned long flags;
328 
329  b1_reset(port);
330  b1_reset(port);
331 
332  memset(cinfo->version, 0, sizeof(cinfo->version));
333  spin_lock_irqsave(&card->lock, flags);
334  capilib_release(&cinfo->ncci_head);
335  spin_unlock_irqrestore(&card->lock, flags);
336  capi_ctr_down(ctrl);
337 }
338 
339 void b1_register_appl(struct capi_ctr *ctrl,
340  u16 appl,
341  capi_register_params *rp)
342 {
343  avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
344  avmcard *card = cinfo->card;
345  unsigned int port = card->port;
346  unsigned long flags;
347  int nconn, want = rp->level3cnt;
348 
349  if (want > 0) nconn = want;
350  else nconn = ctrl->profile.nbchannel * -want;
351  if (nconn == 0) nconn = ctrl->profile.nbchannel;
352 
353  spin_lock_irqsave(&card->lock, flags);
354  b1_put_byte(port, SEND_REGISTER);
355  b1_put_word(port, appl);
356  b1_put_word(port, 1024 * (nconn + 1));
357  b1_put_word(port, nconn);
358  b1_put_word(port, rp->datablkcnt);
359  b1_put_word(port, rp->datablklen);
360  spin_unlock_irqrestore(&card->lock, flags);
361 }
362 
363 void b1_release_appl(struct capi_ctr *ctrl, u16 appl)
364 {
365  avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
366  avmcard *card = cinfo->card;
367  unsigned int port = card->port;
368  unsigned long flags;
369 
370  spin_lock_irqsave(&card->lock, flags);
371  capilib_release_appl(&cinfo->ncci_head, appl);
372  b1_put_byte(port, SEND_RELEASE);
373  b1_put_word(port, appl);
374  spin_unlock_irqrestore(&card->lock, flags);
375 }
376 
377 u16 b1_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
378 {
379  avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
380  avmcard *card = cinfo->card;
381  unsigned int port = card->port;
382  unsigned long flags;
383  u16 len = CAPIMSG_LEN(skb->data);
384  u8 cmd = CAPIMSG_COMMAND(skb->data);
385  u8 subcmd = CAPIMSG_SUBCOMMAND(skb->data);
386  u16 dlen, retval;
387 
388  spin_lock_irqsave(&card->lock, flags);
389  if (CAPICMD(cmd, subcmd) == CAPI_DATA_B3_REQ) {
390  retval = capilib_data_b3_req(&cinfo->ncci_head,
391  CAPIMSG_APPID(skb->data),
392  CAPIMSG_NCCI(skb->data),
393  CAPIMSG_MSGID(skb->data));
394  if (retval != CAPI_NOERROR) {
395  spin_unlock_irqrestore(&card->lock, flags);
396  return retval;
397  }
398 
399  dlen = CAPIMSG_DATALEN(skb->data);
400 
401  b1_put_byte(port, SEND_DATA_B3_REQ);
402  b1_put_slice(port, skb->data, len);
403  b1_put_slice(port, skb->data + len, dlen);
404  } else {
405  b1_put_byte(port, SEND_MESSAGE);
406  b1_put_slice(port, skb->data, len);
407  }
408  spin_unlock_irqrestore(&card->lock, flags);
409 
410  dev_kfree_skb_any(skb);
411  return CAPI_NOERROR;
412 }
413 
414 /* ------------------------------------------------------------- */
415 
416 void b1_parse_version(avmctrl_info *cinfo)
417 {
418  struct capi_ctr *ctrl = &cinfo->capi_ctrl;
419  avmcard *card = cinfo->card;
420  capi_profile *profp;
421  u8 *dversion;
422  u8 flag;
423  int i, j;
424 
425  for (j = 0; j < AVM_MAXVERSION; j++)
426  cinfo->version[j] = "\0\0" + 1;
427  for (i = 0, j = 0;
428  j < AVM_MAXVERSION && i < cinfo->versionlen;
429  j++, i += cinfo->versionbuf[i] + 1)
430  cinfo->version[j] = &cinfo->versionbuf[i + 1];
431 
432  strlcpy(ctrl->serial, cinfo->version[VER_SERIAL], sizeof(ctrl->serial));
433  memcpy(&ctrl->profile, cinfo->version[VER_PROFILE], sizeof(capi_profile));
434  strlcpy(ctrl->manu, "AVM GmbH", sizeof(ctrl->manu));
435  dversion = cinfo->version[VER_DRIVER];
436  ctrl->version.majorversion = 2;
437  ctrl->version.minorversion = 0;
438  ctrl->version.majormanuversion = (((dversion[0] - '0') & 0xf) << 4);
439  ctrl->version.majormanuversion |= ((dversion[2] - '0') & 0xf);
440  ctrl->version.minormanuversion = (dversion[3] - '0') << 4;
441  ctrl->version.minormanuversion |=
442  (dversion[5] - '0') * 10 + ((dversion[6] - '0') & 0xf);
443 
444  profp = &ctrl->profile;
445 
446  flag = ((u8 *)(profp->manu))[1];
447  switch (flag) {
448  case 0: if (cinfo->version[VER_CARDTYPE])
449  strcpy(cinfo->cardname, cinfo->version[VER_CARDTYPE]);
450  else strcpy(cinfo->cardname, "B1");
451  break;
452  case 3: strcpy(cinfo->cardname, "PCMCIA B"); break;
453  case 4: strcpy(cinfo->cardname, "PCMCIA M1"); break;
454  case 5: strcpy(cinfo->cardname, "PCMCIA M2"); break;
455  case 6: strcpy(cinfo->cardname, "B1 V3.0"); break;
456  case 7: strcpy(cinfo->cardname, "B1 PCI"); break;
457  default: sprintf(cinfo->cardname, "AVM?%u", (unsigned int)flag); break;
458  }
459  printk(KERN_NOTICE "%s: card %d \"%s\" ready.\n",
460  card->name, ctrl->cnr, cinfo->cardname);
461 
462  flag = ((u8 *)(profp->manu))[3];
463  if (flag)
464  printk(KERN_NOTICE "%s: card %d Protocol:%s%s%s%s%s%s%s\n",
465  card->name,
466  ctrl->cnr,
467  (flag & 0x01) ? " DSS1" : "",
468  (flag & 0x02) ? " CT1" : "",
469  (flag & 0x04) ? " VN3" : "",
470  (flag & 0x08) ? " NI1" : "",
471  (flag & 0x10) ? " AUSTEL" : "",
472  (flag & 0x20) ? " ESS" : "",
473  (flag & 0x40) ? " 1TR6" : ""
474  );
475 
476  flag = ((u8 *)(profp->manu))[5];
477  if (flag)
478  printk(KERN_NOTICE "%s: card %d Linetype:%s%s%s%s\n",
479  card->name,
480  ctrl->cnr,
481  (flag & 0x01) ? " point to point" : "",
482  (flag & 0x02) ? " point to multipoint" : "",
483  (flag & 0x08) ? " leased line without D-channel" : "",
484  (flag & 0x04) ? " leased line with D-channel" : ""
485  );
486 }
487 
488 /* ------------------------------------------------------------- */
489 
490 irqreturn_t b1_interrupt(int interrupt, void *devptr)
491 {
492  avmcard *card = devptr;
493  avmctrl_info *cinfo = &card->ctrlinfo[0];
494  struct capi_ctr *ctrl = &cinfo->capi_ctrl;
495  unsigned char b1cmd;
496  struct sk_buff *skb;
497 
498  unsigned ApplId;
499  unsigned MsgLen;
500  unsigned DataB3Len;
501  unsigned NCCI;
502  unsigned WindowSize;
503  unsigned long flags;
504 
505  spin_lock_irqsave(&card->lock, flags);
506 
507  if (!b1_rx_full(card->port)) {
508  spin_unlock_irqrestore(&card->lock, flags);
509  return IRQ_NONE;
510  }
511 
512  b1cmd = b1_get_byte(card->port);
513 
514  switch (b1cmd) {
515 
516  case RECEIVE_DATA_B3_IND:
517 
518  ApplId = (unsigned) b1_get_word(card->port);
519  MsgLen = b1_get_slice(card->port, card->msgbuf);
520  DataB3Len = b1_get_slice(card->port, card->databuf);
521  spin_unlock_irqrestore(&card->lock, flags);
522 
523  if (MsgLen < 30) { /* not CAPI 64Bit */
524  memset(card->msgbuf + MsgLen, 0, 30-MsgLen);
525  MsgLen = 30;
526  CAPIMSG_SETLEN(card->msgbuf, 30);
527  }
528  if (!(skb = alloc_skb(DataB3Len + MsgLen, GFP_ATOMIC))) {
529  printk(KERN_ERR "%s: incoming packet dropped\n",
530  card->name);
531  } else {
532  memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
533  memcpy(skb_put(skb, DataB3Len), card->databuf, DataB3Len);
534  capi_ctr_handle_message(ctrl, ApplId, skb);
535  }
536  break;
537 
538  case RECEIVE_MESSAGE:
539 
540  ApplId = (unsigned) b1_get_word(card->port);
541  MsgLen = b1_get_slice(card->port, card->msgbuf);
542  if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) {
543  printk(KERN_ERR "%s: incoming packet dropped\n",
544  card->name);
545  spin_unlock_irqrestore(&card->lock, flags);
546  } else {
547  memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
548  if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_CONF)
549  capilib_data_b3_conf(&cinfo->ncci_head, ApplId,
550  CAPIMSG_NCCI(skb->data),
551  CAPIMSG_MSGID(skb->data));
552  spin_unlock_irqrestore(&card->lock, flags);
553  capi_ctr_handle_message(ctrl, ApplId, skb);
554  }
555  break;
556 
557  case RECEIVE_NEW_NCCI:
558 
559  ApplId = b1_get_word(card->port);
560  NCCI = b1_get_word(card->port);
561  WindowSize = b1_get_word(card->port);
562  capilib_new_ncci(&cinfo->ncci_head, ApplId, NCCI, WindowSize);
563  spin_unlock_irqrestore(&card->lock, flags);
564  break;
565 
566  case RECEIVE_FREE_NCCI:
567 
568  ApplId = b1_get_word(card->port);
569  NCCI = b1_get_word(card->port);
570  if (NCCI != 0xffffffff)
571  capilib_free_ncci(&cinfo->ncci_head, ApplId, NCCI);
572  spin_unlock_irqrestore(&card->lock, flags);
573  break;
574 
575  case RECEIVE_START:
576  /* b1_put_byte(card->port, SEND_POLLACK); */
577  spin_unlock_irqrestore(&card->lock, flags);
578  capi_ctr_resume_output(ctrl);
579  break;
580 
581  case RECEIVE_STOP:
582  spin_unlock_irqrestore(&card->lock, flags);
583  capi_ctr_suspend_output(ctrl);
584  break;
585 
586  case RECEIVE_INIT:
587 
588  cinfo->versionlen = b1_get_slice(card->port, cinfo->versionbuf);
589  spin_unlock_irqrestore(&card->lock, flags);
590  b1_parse_version(cinfo);
591  printk(KERN_INFO "%s: %s-card (%s) now active\n",
592  card->name,
593  cinfo->version[VER_CARDTYPE],
594  cinfo->version[VER_DRIVER]);
595  capi_ctr_ready(ctrl);
596  break;
597 
598  case RECEIVE_TASK_READY:
599  ApplId = (unsigned) b1_get_word(card->port);
600  MsgLen = b1_get_slice(card->port, card->msgbuf);
601  spin_unlock_irqrestore(&card->lock, flags);
602  card->msgbuf[MsgLen] = 0;
603  while (MsgLen > 0
604  && (card->msgbuf[MsgLen - 1] == '\n'
605  || card->msgbuf[MsgLen - 1] == '\r')) {
606  card->msgbuf[MsgLen - 1] = 0;
607  MsgLen--;
608  }
609  printk(KERN_INFO "%s: task %d \"%s\" ready.\n",
610  card->name, ApplId, card->msgbuf);
611  break;
612 
613  case RECEIVE_DEBUGMSG:
614  MsgLen = b1_get_slice(card->port, card->msgbuf);
615  spin_unlock_irqrestore(&card->lock, flags);
616  card->msgbuf[MsgLen] = 0;
617  while (MsgLen > 0
618  && (card->msgbuf[MsgLen - 1] == '\n'
619  || card->msgbuf[MsgLen - 1] == '\r')) {
620  card->msgbuf[MsgLen - 1] = 0;
621  MsgLen--;
622  }
623  printk(KERN_INFO "%s: DEBUG: %s\n", card->name, card->msgbuf);
624  break;
625 
626  case 0xff:
627  spin_unlock_irqrestore(&card->lock, flags);
628  printk(KERN_ERR "%s: card removed ?\n", card->name);
629  return IRQ_NONE;
630  default:
631  spin_unlock_irqrestore(&card->lock, flags);
632  printk(KERN_ERR "%s: b1_interrupt: 0x%x ???\n",
633  card->name, b1cmd);
634  return IRQ_HANDLED;
635  }
636  return IRQ_HANDLED;
637 }
638 
639 /* ------------------------------------------------------------- */
640 static int b1ctl_proc_show(struct seq_file *m, void *v)
641 {
642  struct capi_ctr *ctrl = m->private;
643  avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
644  avmcard *card = cinfo->card;
645  u8 flag;
646  char *s;
647 
648  seq_printf(m, "%-16s %s\n", "name", card->name);
649  seq_printf(m, "%-16s 0x%x\n", "io", card->port);
650  seq_printf(m, "%-16s %d\n", "irq", card->irq);
651  switch (card->cardtype) {
652  case avm_b1isa: s = "B1 ISA"; break;
653  case avm_b1pci: s = "B1 PCI"; break;
654  case avm_b1pcmcia: s = "B1 PCMCIA"; break;
655  case avm_m1: s = "M1"; break;
656  case avm_m2: s = "M2"; break;
657  case avm_t1isa: s = "T1 ISA (HEMA)"; break;
658  case avm_t1pci: s = "T1 PCI"; break;
659  case avm_c4: s = "C4"; break;
660  case avm_c2: s = "C2"; break;
661  default: s = "???"; break;
662  }
663  seq_printf(m, "%-16s %s\n", "type", s);
664  if (card->cardtype == avm_t1isa)
665  seq_printf(m, "%-16s %d\n", "cardnr", card->cardnr);
666  if ((s = cinfo->version[VER_DRIVER]) != NULL)
667  seq_printf(m, "%-16s %s\n", "ver_driver", s);
668  if ((s = cinfo->version[VER_CARDTYPE]) != NULL)
669  seq_printf(m, "%-16s %s\n", "ver_cardtype", s);
670  if ((s = cinfo->version[VER_SERIAL]) != NULL)
671  seq_printf(m, "%-16s %s\n", "ver_serial", s);
672 
673  if (card->cardtype != avm_m1) {
674  flag = ((u8 *)(ctrl->profile.manu))[3];
675  if (flag)
676  seq_printf(m, "%-16s%s%s%s%s%s%s%s\n",
677  "protocol",
678  (flag & 0x01) ? " DSS1" : "",
679  (flag & 0x02) ? " CT1" : "",
680  (flag & 0x04) ? " VN3" : "",
681  (flag & 0x08) ? " NI1" : "",
682  (flag & 0x10) ? " AUSTEL" : "",
683  (flag & 0x20) ? " ESS" : "",
684  (flag & 0x40) ? " 1TR6" : ""
685  );
686  }
687  if (card->cardtype != avm_m1) {
688  flag = ((u8 *)(ctrl->profile.manu))[5];
689  if (flag)
690  seq_printf(m, "%-16s%s%s%s%s\n",
691  "linetype",
692  (flag & 0x01) ? " point to point" : "",
693  (flag & 0x02) ? " point to multipoint" : "",
694  (flag & 0x08) ? " leased line without D-channel" : "",
695  (flag & 0x04) ? " leased line with D-channel" : ""
696  );
697  }
698  seq_printf(m, "%-16s %s\n", "cardname", cinfo->cardname);
699 
700  return 0;
701 }
702 
703 static int b1ctl_proc_open(struct inode *inode, struct file *file)
704 {
705  return single_open(file, b1ctl_proc_show, PDE(inode)->data);
706 }
707 
708 const struct file_operations b1ctl_proc_fops = {
709  .owner = THIS_MODULE,
710  .open = b1ctl_proc_open,
711  .read = seq_read,
712  .llseek = seq_lseek,
713  .release = single_release,
714 };
715 EXPORT_SYMBOL(b1ctl_proc_fops);
716 
717 /* ------------------------------------------------------------- */
718 
719 #ifdef CONFIG_PCI
720 
721 avmcard_dmainfo *
722 avmcard_dma_alloc(char *name, struct pci_dev *pdev, long rsize, long ssize)
723 {
724  avmcard_dmainfo *p;
725  void *buf;
726 
727  p = kzalloc(sizeof(avmcard_dmainfo), GFP_KERNEL);
728  if (!p) {
729  printk(KERN_WARNING "%s: no memory.\n", name);
730  goto err;
731  }
732 
733  p->recvbuf.size = rsize;
734  buf = pci_alloc_consistent(pdev, rsize, &p->recvbuf.dmaaddr);
735  if (!buf) {
736  printk(KERN_WARNING "%s: allocation of receive dma buffer failed.\n", name);
737  goto err_kfree;
738  }
739  p->recvbuf.dmabuf = buf;
740 
741  p->sendbuf.size = ssize;
742  buf = pci_alloc_consistent(pdev, ssize, &p->sendbuf.dmaaddr);
743  if (!buf) {
744  printk(KERN_WARNING "%s: allocation of send dma buffer failed.\n", name);
745  goto err_free_consistent;
746  }
747 
748  p->sendbuf.dmabuf = buf;
749  skb_queue_head_init(&p->send_queue);
750 
751  return p;
752 
753 err_free_consistent:
754  pci_free_consistent(p->pcidev, p->recvbuf.size,
755  p->recvbuf.dmabuf, p->recvbuf.dmaaddr);
756 err_kfree:
757  kfree(p);
758 err:
759  return NULL;
760 }
761 
762 void avmcard_dma_free(avmcard_dmainfo *p)
763 {
764  pci_free_consistent(p->pcidev, p->recvbuf.size,
765  p->recvbuf.dmabuf, p->recvbuf.dmaaddr);
766  pci_free_consistent(p->pcidev, p->sendbuf.size,
767  p->sendbuf.dmabuf, p->sendbuf.dmaaddr);
768  skb_queue_purge(&p->send_queue);
769  kfree(p);
770 }
771 
772 EXPORT_SYMBOL(avmcard_dma_alloc);
773 EXPORT_SYMBOL(avmcard_dma_free);
774 
775 #endif
776 
777 EXPORT_SYMBOL(b1_irq_table);
778 
779 EXPORT_SYMBOL(b1_alloc_card);
780 EXPORT_SYMBOL(b1_free_card);
781 EXPORT_SYMBOL(b1_detect);
782 EXPORT_SYMBOL(b1_getrevision);
783 EXPORT_SYMBOL(b1_load_t4file);
784 EXPORT_SYMBOL(b1_load_config);
785 EXPORT_SYMBOL(b1_loaded);
786 EXPORT_SYMBOL(b1_load_firmware);
787 EXPORT_SYMBOL(b1_reset_ctr);
788 EXPORT_SYMBOL(b1_register_appl);
789 EXPORT_SYMBOL(b1_release_appl);
790 EXPORT_SYMBOL(b1_send_message);
791 
792 EXPORT_SYMBOL(b1_parse_version);
793 EXPORT_SYMBOL(b1_interrupt);
794 
795 static int __init b1_init(void)
796 {
797  char *p;
798  char rev[32];
799 
800  if ((p = strchr(revision, ':')) != NULL && p[1]) {
801  strlcpy(rev, p + 2, 32);
802  if ((p = strchr(rev, '$')) != NULL && p > rev)
803  *(p - 1) = 0;
804  } else
805  strcpy(rev, "1.0");
806 
807  printk(KERN_INFO "b1: revision %s\n", rev);
808 
809  return 0;
810 }
811 
812 static void __exit b1_exit(void)
813 {
814 }
815 
816 module_init(b1_init);
817 module_exit(b1_exit);
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