Merge branch 'upstream-linus' of git://git.kernel.org/pub/scm/linux/kernel/git/ieee13...
[linux-2.6] / drivers / isdn / hardware / avm / b1.c
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 <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/pci.h>
15 #include <linux/skbuff.h>
16 #include <linux/delay.h>
17 #include <linux/mm.h>
18 #include <linux/interrupt.h>
19 #include <linux/ioport.h>
20 #include <linux/capi.h>
21 #include <linux/kernelcapi.h>
22 #include <asm/io.h>
23 #include <linux/init.h>
24 #include <asm/uaccess.h>
25 #include <linux/netdevice.h>
26 #include <linux/isdn/capilli.h>
27 #include "avmcard.h"
28 #include <linux/isdn/capicmd.h>
29 #include <linux/isdn/capiutil.h>
30
31 static char *revision = "$Revision: 1.1.2.2 $";
32
33 /* ------------------------------------------------------------- */
34
35 MODULE_DESCRIPTION("CAPI4Linux: Common support for active AVM cards");
36 MODULE_AUTHOR("Carsten Paeth");
37 MODULE_LICENSE("GPL");
38
39 /* ------------------------------------------------------------- */
40
41 int b1_irq_table[16] =
42 {0,
43  0,
44  0,
45  192,                           /* irq 3 */
46  32,                            /* irq 4 */
47  160,                           /* irq 5 */
48  96,                            /* irq 6 */
49  224,                           /* irq 7 */
50  0,
51  64,                            /* irq 9 */
52  80,                            /* irq 10 */
53  208,                           /* irq 11 */
54  48,                            /* irq 12 */
55  0,
56  0,
57  112,                           /* irq 15 */
58 };
59
60 /* ------------------------------------------------------------- */     
61
62 avmcard *b1_alloc_card(int nr_controllers)
63 {
64         avmcard *card;
65         avmctrl_info *cinfo;
66         int i;
67
68         card = kmalloc(sizeof(*card), GFP_KERNEL);
69         if (!card)
70                 return NULL;
71
72         memset(card, 0, sizeof(*card));
73
74         cinfo = kmalloc(sizeof(*cinfo) * nr_controllers, GFP_KERNEL);
75         if (!cinfo) {
76                 kfree(card);
77                 return NULL;
78         }
79         memset(cinfo, 0, sizeof(*cinfo) * nr_controllers);
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
328         b1_reset(port);
329         b1_reset(port);
330
331         memset(cinfo->version, 0, sizeof(cinfo->version));
332         capilib_release(&cinfo->ncci_head);
333         capi_ctr_reseted(ctrl);
334 }
335
336 void b1_register_appl(struct capi_ctr *ctrl,
337                                 u16 appl,
338                                 capi_register_params *rp)
339 {
340         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
341         avmcard *card = cinfo->card;
342         unsigned int port = card->port;
343         unsigned long flags;
344         int nconn, want = rp->level3cnt;
345
346         if (want > 0) nconn = want;
347         else nconn = ctrl->profile.nbchannel * -want;
348         if (nconn == 0) nconn = ctrl->profile.nbchannel;
349
350         spin_lock_irqsave(&card->lock, flags);
351         b1_put_byte(port, SEND_REGISTER);
352         b1_put_word(port, appl);
353         b1_put_word(port, 1024 * (nconn+1));
354         b1_put_word(port, nconn);
355         b1_put_word(port, rp->datablkcnt);
356         b1_put_word(port, rp->datablklen);
357         spin_unlock_irqrestore(&card->lock, flags);
358 }
359
360 void b1_release_appl(struct capi_ctr *ctrl, u16 appl)
361 {
362         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
363         avmcard *card = cinfo->card;
364         unsigned int port = card->port;
365         unsigned long flags;
366
367         capilib_release_appl(&cinfo->ncci_head, appl);
368
369         spin_lock_irqsave(&card->lock, flags);
370         b1_put_byte(port, SEND_RELEASE);
371         b1_put_word(port, appl);
372         spin_unlock_irqrestore(&card->lock, flags);
373 }
374
375 u16 b1_send_message(struct capi_ctr *ctrl, struct sk_buff *skb)
376 {
377         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
378         avmcard *card = cinfo->card;
379         unsigned int port = card->port;
380         unsigned long flags;
381         u16 len = CAPIMSG_LEN(skb->data);
382         u8 cmd = CAPIMSG_COMMAND(skb->data);
383         u8 subcmd = CAPIMSG_SUBCOMMAND(skb->data);
384         u16 dlen, retval;
385
386         if (CAPICMD(cmd, subcmd) == CAPI_DATA_B3_REQ) {
387                 retval = capilib_data_b3_req(&cinfo->ncci_head,
388                                              CAPIMSG_APPID(skb->data),
389                                              CAPIMSG_NCCI(skb->data),
390                                              CAPIMSG_MSGID(skb->data));
391                 if (retval != CAPI_NOERROR) 
392                         return retval;
393
394                 dlen = CAPIMSG_DATALEN(skb->data);
395
396                 spin_lock_irqsave(&card->lock, flags);
397                 b1_put_byte(port, SEND_DATA_B3_REQ);
398                 b1_put_slice(port, skb->data, len);
399                 b1_put_slice(port, skb->data + len, dlen);
400                 spin_unlock_irqrestore(&card->lock, flags);
401         } else {
402                 spin_lock_irqsave(&card->lock, flags);
403                 b1_put_byte(port, SEND_MESSAGE);
404                 b1_put_slice(port, skb->data, len);
405                 spin_unlock_irqrestore(&card->lock, flags);
406         }
407
408         dev_kfree_skb_any(skb);
409         return CAPI_NOERROR;
410 }
411
412 /* ------------------------------------------------------------- */
413
414 void b1_parse_version(avmctrl_info *cinfo)
415 {
416         struct capi_ctr *ctrl = &cinfo->capi_ctrl;
417         avmcard *card = cinfo->card;
418         capi_profile *profp;
419         u8 *dversion;
420         u8 flag;
421         int i, j;
422
423         for (j = 0; j < AVM_MAXVERSION; j++)
424                 cinfo->version[j] = "\0\0" + 1;
425         for (i = 0, j = 0;
426              j < AVM_MAXVERSION && i < cinfo->versionlen;
427              j++, i += cinfo->versionbuf[i] + 1)
428                 cinfo->version[j] = &cinfo->versionbuf[i + 1];
429
430         strlcpy(ctrl->serial, cinfo->version[VER_SERIAL], sizeof(ctrl->serial));
431         memcpy(&ctrl->profile, cinfo->version[VER_PROFILE],sizeof(capi_profile));
432         strlcpy(ctrl->manu, "AVM GmbH", sizeof(ctrl->manu));
433         dversion = cinfo->version[VER_DRIVER];
434         ctrl->version.majorversion = 2;
435         ctrl->version.minorversion = 0;
436         ctrl->version.majormanuversion = (((dversion[0] - '0') & 0xf) << 4);
437         ctrl->version.majormanuversion |= ((dversion[2] - '0') & 0xf);
438         ctrl->version.minormanuversion = (dversion[3] - '0') << 4;
439         ctrl->version.minormanuversion |=
440                         (dversion[5] - '0') * 10 + ((dversion[6] - '0') & 0xf);
441
442         profp = &ctrl->profile;
443
444         flag = ((u8 *)(profp->manu))[1];
445         switch (flag) {
446         case 0: if (cinfo->version[VER_CARDTYPE])
447                    strcpy(cinfo->cardname, cinfo->version[VER_CARDTYPE]);
448                 else strcpy(cinfo->cardname, "B1");
449                 break;
450         case 3: strcpy(cinfo->cardname,"PCMCIA B"); break;
451         case 4: strcpy(cinfo->cardname,"PCMCIA M1"); break;
452         case 5: strcpy(cinfo->cardname,"PCMCIA M2"); break;
453         case 6: strcpy(cinfo->cardname,"B1 V3.0"); break;
454         case 7: strcpy(cinfo->cardname,"B1 PCI"); break;
455         default: sprintf(cinfo->cardname, "AVM?%u", (unsigned int)flag); break;
456         }
457         printk(KERN_NOTICE "%s: card %d \"%s\" ready.\n",
458                                 card->name, ctrl->cnr, cinfo->cardname);
459
460         flag = ((u8 *)(profp->manu))[3];
461         if (flag)
462                 printk(KERN_NOTICE "%s: card %d Protocol:%s%s%s%s%s%s%s\n",
463                         card->name,
464                         ctrl->cnr,
465                         (flag & 0x01) ? " DSS1" : "",
466                         (flag & 0x02) ? " CT1" : "",
467                         (flag & 0x04) ? " VN3" : "",
468                         (flag & 0x08) ? " NI1" : "",
469                         (flag & 0x10) ? " AUSTEL" : "",
470                         (flag & 0x20) ? " ESS" : "",
471                         (flag & 0x40) ? " 1TR6" : ""
472                         );
473
474         flag = ((u8 *)(profp->manu))[5];
475         if (flag)
476                 printk(KERN_NOTICE "%s: card %d Linetype:%s%s%s%s\n",
477                         card->name,
478                         ctrl->cnr,
479                         (flag & 0x01) ? " point to point" : "",
480                         (flag & 0x02) ? " point to multipoint" : "",
481                         (flag & 0x08) ? " leased line without D-channel" : "",
482                         (flag & 0x04) ? " leased line with D-channel" : ""
483                         );
484 }
485
486 /* ------------------------------------------------------------- */
487
488 irqreturn_t b1_interrupt(int interrupt, void *devptr)
489 {
490         avmcard *card = devptr;
491         avmctrl_info *cinfo = &card->ctrlinfo[0];
492         struct capi_ctr *ctrl = &cinfo->capi_ctrl;
493         unsigned char b1cmd;
494         struct sk_buff *skb;
495
496         unsigned ApplId;
497         unsigned MsgLen;
498         unsigned DataB3Len;
499         unsigned NCCI;
500         unsigned WindowSize;
501         unsigned long flags;
502
503         spin_lock_irqsave(&card->lock, flags);
504
505         if (!b1_rx_full(card->port)) {
506                 spin_unlock_irqrestore(&card->lock, flags);
507                 return IRQ_NONE;
508         }
509
510         b1cmd = b1_get_byte(card->port);
511
512         switch (b1cmd) {
513
514         case RECEIVE_DATA_B3_IND:
515
516                 ApplId = (unsigned) b1_get_word(card->port);
517                 MsgLen = b1_get_slice(card->port, card->msgbuf);
518                 DataB3Len = b1_get_slice(card->port, card->databuf);
519                 spin_unlock_irqrestore(&card->lock, flags);
520
521                 if (MsgLen < 30) { /* not CAPI 64Bit */
522                         memset(card->msgbuf+MsgLen, 0, 30-MsgLen);
523                         MsgLen = 30;
524                         CAPIMSG_SETLEN(card->msgbuf, 30);
525                 }
526                 if (!(skb = alloc_skb(DataB3Len + MsgLen, GFP_ATOMIC))) {
527                         printk(KERN_ERR "%s: incoming packet dropped\n",
528                                         card->name);
529                 } else {
530                         memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
531                         memcpy(skb_put(skb, DataB3Len), card->databuf, DataB3Len);
532                         capi_ctr_handle_message(ctrl, ApplId, skb);
533                 }
534                 break;
535
536         case RECEIVE_MESSAGE:
537
538                 ApplId = (unsigned) b1_get_word(card->port);
539                 MsgLen = b1_get_slice(card->port, card->msgbuf);
540                 spin_unlock_irqrestore(&card->lock, flags);
541                 if (!(skb = alloc_skb(MsgLen, GFP_ATOMIC))) {
542                         printk(KERN_ERR "%s: incoming packet dropped\n",
543                                         card->name);
544                 } else {
545                         memcpy(skb_put(skb, MsgLen), card->msgbuf, MsgLen);
546                         if (CAPIMSG_CMD(skb->data) == CAPI_DATA_B3_CONF)
547                                 capilib_data_b3_conf(&cinfo->ncci_head, ApplId,
548                                                      CAPIMSG_NCCI(skb->data),
549                                                      CAPIMSG_MSGID(skb->data));
550
551                         capi_ctr_handle_message(ctrl, ApplId, skb);
552                 }
553                 break;
554
555         case RECEIVE_NEW_NCCI:
556
557                 ApplId = b1_get_word(card->port);
558                 NCCI = b1_get_word(card->port);
559                 WindowSize = b1_get_word(card->port);
560                 spin_unlock_irqrestore(&card->lock, flags);
561
562                 capilib_new_ncci(&cinfo->ncci_head, ApplId, NCCI, WindowSize);
563
564                 break;
565
566         case RECEIVE_FREE_NCCI:
567
568                 ApplId = b1_get_word(card->port);
569                 NCCI = b1_get_word(card->port);
570                 spin_unlock_irqrestore(&card->lock, flags);
571
572                 if (NCCI != 0xffffffff)
573                         capilib_free_ncci(&cinfo->ncci_head, ApplId, NCCI);
574                
575                 break;
576
577         case RECEIVE_START:
578                 /* b1_put_byte(card->port, SEND_POLLACK); */
579                 spin_unlock_irqrestore(&card->lock, flags);
580                 capi_ctr_resume_output(ctrl);
581                 break;
582
583         case RECEIVE_STOP:
584                 spin_unlock_irqrestore(&card->lock, flags);
585                 capi_ctr_suspend_output(ctrl);
586                 break;
587
588         case RECEIVE_INIT:
589
590                 cinfo->versionlen = b1_get_slice(card->port, cinfo->versionbuf);
591                 spin_unlock_irqrestore(&card->lock, flags);
592                 b1_parse_version(cinfo);
593                 printk(KERN_INFO "%s: %s-card (%s) now active\n",
594                        card->name,
595                        cinfo->version[VER_CARDTYPE],
596                        cinfo->version[VER_DRIVER]);
597                 capi_ctr_ready(ctrl);
598                 break;
599
600         case RECEIVE_TASK_READY:
601                 ApplId = (unsigned) b1_get_word(card->port);
602                 MsgLen = b1_get_slice(card->port, card->msgbuf);
603                 spin_unlock_irqrestore(&card->lock, flags);
604                 card->msgbuf[MsgLen] = 0;
605                 while (    MsgLen > 0
606                        && (   card->msgbuf[MsgLen-1] == '\n'
607                            || card->msgbuf[MsgLen-1] == '\r')) {
608                         card->msgbuf[MsgLen-1] = 0;
609                         MsgLen--;
610                 }
611                 printk(KERN_INFO "%s: task %d \"%s\" ready.\n",
612                                 card->name, ApplId, card->msgbuf);
613                 break;
614
615         case RECEIVE_DEBUGMSG:
616                 MsgLen = b1_get_slice(card->port, card->msgbuf);
617                 spin_unlock_irqrestore(&card->lock, flags);
618                 card->msgbuf[MsgLen] = 0;
619                 while (    MsgLen > 0
620                        && (   card->msgbuf[MsgLen-1] == '\n'
621                            || card->msgbuf[MsgLen-1] == '\r')) {
622                         card->msgbuf[MsgLen-1] = 0;
623                         MsgLen--;
624                 }
625                 printk(KERN_INFO "%s: DEBUG: %s\n", card->name, card->msgbuf);
626                 break;
627
628         case 0xff:
629                 spin_unlock_irqrestore(&card->lock, flags);
630                 printk(KERN_ERR "%s: card removed ?\n", card->name);
631                 return IRQ_NONE;
632         default:
633                 spin_unlock_irqrestore(&card->lock, flags);
634                 printk(KERN_ERR "%s: b1_interrupt: 0x%x ???\n",
635                                 card->name, b1cmd);
636                 return IRQ_HANDLED;
637         }
638         return IRQ_HANDLED;
639 }
640
641 /* ------------------------------------------------------------- */
642 int b1ctl_read_proc(char *page, char **start, off_t off,
643                         int count, int *eof, struct capi_ctr *ctrl)
644 {
645         avmctrl_info *cinfo = (avmctrl_info *)(ctrl->driverdata);
646         avmcard *card = cinfo->card;
647         u8 flag;
648         int len = 0;
649         char *s;
650
651         len += sprintf(page+len, "%-16s %s\n", "name", card->name);
652         len += sprintf(page+len, "%-16s 0x%x\n", "io", card->port);
653         len += sprintf(page+len, "%-16s %d\n", "irq", card->irq);
654         switch (card->cardtype) {
655         case avm_b1isa: s = "B1 ISA"; break;
656         case avm_b1pci: s = "B1 PCI"; break;
657         case avm_b1pcmcia: s = "B1 PCMCIA"; break;
658         case avm_m1: s = "M1"; break;
659         case avm_m2: s = "M2"; break;
660         case avm_t1isa: s = "T1 ISA (HEMA)"; break;
661         case avm_t1pci: s = "T1 PCI"; break;
662         case avm_c4: s = "C4"; break;
663         case avm_c2: s = "C2"; break;
664         default: s = "???"; break;
665         }
666         len += sprintf(page+len, "%-16s %s\n", "type", s);
667         if (card->cardtype == avm_t1isa)
668            len += sprintf(page+len, "%-16s %d\n", "cardnr", card->cardnr);
669         if ((s = cinfo->version[VER_DRIVER]) != 0)
670            len += sprintf(page+len, "%-16s %s\n", "ver_driver", s);
671         if ((s = cinfo->version[VER_CARDTYPE]) != 0)
672            len += sprintf(page+len, "%-16s %s\n", "ver_cardtype", s);
673         if ((s = cinfo->version[VER_SERIAL]) != 0)
674            len += sprintf(page+len, "%-16s %s\n", "ver_serial", s);
675
676         if (card->cardtype != avm_m1) {
677                 flag = ((u8 *)(ctrl->profile.manu))[3];
678                 if (flag)
679                         len += sprintf(page+len, "%-16s%s%s%s%s%s%s%s\n",
680                         "protocol",
681                         (flag & 0x01) ? " DSS1" : "",
682                         (flag & 0x02) ? " CT1" : "",
683                         (flag & 0x04) ? " VN3" : "",
684                         (flag & 0x08) ? " NI1" : "",
685                         (flag & 0x10) ? " AUSTEL" : "",
686                         (flag & 0x20) ? " ESS" : "",
687                         (flag & 0x40) ? " 1TR6" : ""
688                         );
689         }
690         if (card->cardtype != avm_m1) {
691                 flag = ((u8 *)(ctrl->profile.manu))[5];
692                 if (flag)
693                         len += sprintf(page+len, "%-16s%s%s%s%s\n",
694                         "linetype",
695                         (flag & 0x01) ? " point to point" : "",
696                         (flag & 0x02) ? " point to multipoint" : "",
697                         (flag & 0x08) ? " leased line without D-channel" : "",
698                         (flag & 0x04) ? " leased line with D-channel" : ""
699                         );
700         }
701         len += sprintf(page+len, "%-16s %s\n", "cardname", cinfo->cardname);
702
703         if (off+count >= len)
704            *eof = 1;
705         if (len < off)
706            return 0;
707         *start = page + off;
708         return ((count < len-off) ? count : len-off);
709 }
710
711 /* ------------------------------------------------------------- */
712
713 #ifdef CONFIG_PCI
714
715 avmcard_dmainfo *
716 avmcard_dma_alloc(char *name, struct pci_dev *pdev, long rsize, long ssize)
717 {
718         avmcard_dmainfo *p;
719         void *buf;
720
721         p = kmalloc(sizeof(avmcard_dmainfo), GFP_KERNEL);
722         if (!p) {
723                 printk(KERN_WARNING "%s: no memory.\n", name);
724                 goto err;
725         }
726         memset(p, 0, sizeof(avmcard_dmainfo));
727
728         p->recvbuf.size = rsize;
729         buf = pci_alloc_consistent(pdev, rsize, &p->recvbuf.dmaaddr);
730         if (!buf) {
731                 printk(KERN_WARNING "%s: allocation of receive dma buffer failed.\n", name);
732                 goto err_kfree;
733         }
734         p->recvbuf.dmabuf = buf;
735
736         p->sendbuf.size = ssize;
737         buf = pci_alloc_consistent(pdev, ssize, &p->sendbuf.dmaaddr);
738         if (!buf) {
739                 printk(KERN_WARNING "%s: allocation of send dma buffer failed.\n", name);
740                 goto err_free_consistent;
741         }
742
743         p->sendbuf.dmabuf = buf;
744         skb_queue_head_init(&p->send_queue);
745
746         return p;
747
748  err_free_consistent:
749         pci_free_consistent(p->pcidev, p->recvbuf.size,
750                             p->recvbuf.dmabuf, p->recvbuf.dmaaddr);
751  err_kfree:
752         kfree(p);
753  err:
754         return NULL;
755 }
756
757 void avmcard_dma_free(avmcard_dmainfo *p)
758 {
759         pci_free_consistent(p->pcidev, p->recvbuf.size,
760                             p->recvbuf.dmabuf, p->recvbuf.dmaaddr);
761         pci_free_consistent(p->pcidev, p->sendbuf.size,
762                             p->sendbuf.dmabuf, p->sendbuf.dmaaddr);
763         skb_queue_purge(&p->send_queue);
764         kfree(p);
765 }
766
767 EXPORT_SYMBOL(avmcard_dma_alloc);
768 EXPORT_SYMBOL(avmcard_dma_free);
769
770 #endif
771
772 EXPORT_SYMBOL(b1_irq_table);
773
774 EXPORT_SYMBOL(b1_alloc_card);
775 EXPORT_SYMBOL(b1_free_card);
776 EXPORT_SYMBOL(b1_detect);
777 EXPORT_SYMBOL(b1_getrevision);
778 EXPORT_SYMBOL(b1_load_t4file);
779 EXPORT_SYMBOL(b1_load_config);
780 EXPORT_SYMBOL(b1_loaded);
781 EXPORT_SYMBOL(b1_load_firmware);
782 EXPORT_SYMBOL(b1_reset_ctr);
783 EXPORT_SYMBOL(b1_register_appl);
784 EXPORT_SYMBOL(b1_release_appl);
785 EXPORT_SYMBOL(b1_send_message);
786
787 EXPORT_SYMBOL(b1_parse_version);
788 EXPORT_SYMBOL(b1_interrupt);
789
790 EXPORT_SYMBOL(b1ctl_read_proc);
791
792 static int __init b1_init(void)
793 {
794         char *p;
795         char rev[32];
796
797         if ((p = strchr(revision, ':')) != 0 && p[1]) {
798                 strlcpy(rev, p + 2, 32);
799                 if ((p = strchr(rev, '$')) != 0 && p > rev)
800                    *(p-1) = 0;
801         } else
802                 strcpy(rev, "1.0");
803
804         printk(KERN_INFO "b1: revision %s\n", rev);
805
806         return 0;
807 }
808
809 static void __exit b1_exit(void)
810 {
811 }
812
813 module_init(b1_init);
814 module_exit(b1_exit);