include cleanup: Update gfp.h and slab.h includes to prepare for breaking implicit...
[linux-3.10.git] / 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/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);