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[/] [or1k/] [tags/] [before_ORP/] [uclinux/] [uClinux-2.0.x/] [drivers/] [isdn/] [avmb1/] [b1capi.c] - Blame information for rev 1765

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1 199 simons 
/*
2 
 * $Id: b1capi.c,v 1.1.1.1 2001-09-10 07:44:18 simons Exp $
3 
 *
4 
 * CAPI 2.0 Module for AVM B1-card.
5 
 *
6 
 * (c) Copyright 1997 by Carsten Paeth (calle@calle.in-berlin.de)
7 
 *
8 
 * $Log: not supported by cvs2svn $
9 
 * Revision 1.1.1.1  2001/07/02 17:58:32  simons
10 
 * Initial revision
11 
 *
12 
 * Revision 1.4.2.19  1998/10/25 14:36:14  fritz
13 
 * Backported from MIPS (Cobalt).
14 
 *
15 
 * Revision 1.4.2.18  1998/03/20 20:34:37  calle
16 
 * port valid check now only for T1, because of the PCI and PCMCIA cards.
17 
 *
18 
 * Revision 1.4.2.17  1998/03/20 14:38:17  calle
19 
 * capidrv: prepared state machines for suspend/resume/hold
20 
 * capidrv: fix bug in state machine if B1/T1 is out of nccis
21 
 * b1capi: changed some errno returns.
22 
 * b1capi: detect if you try to add same T1 to different io address.
23 
 * b1capi: change number of nccis depending on number of channels.
24 
 * b1lli: cosmetics
25 
 *
26 
 * Revision 1.4.2.16  1998/03/20 09:01:08  calle
27 
 * Changes capi_register handling to get full support for 30 bchannels.
28 
 *
29 
 * Revision 1.4.2.15  1998/03/18 17:43:26  calle
30 
 * T1 with fastlink, bugfix for multicontroller support in capidrv.c
31 
 *
32 
 * Revision 1.4.2.14  1998/03/04 17:33:47  calle
33 
 * Changes for T1.
34 
 *
35 
 * Revision 1.4.2.13  1998/02/27 15:40:41  calle
36 
 * T1 running with slow link. bugfix in capi_release.
37 
 *
38 
 * Revision 1.4.2.12  1998/02/24 17:58:25  calle
39 
 * changes for T1.
40 
 *
41 
 * Revision 1.4.2.11  1998/01/27 16:12:49  calle
42 
 * Support for PCMCIA B1/M1/M2 ready.
43 
 *
44 
 * Revision 1.4.2.10  1998/01/26 14:53:30  calle
45 
 * interface change for pcmcia cards
46 
 *
47 
 * Revision 1.4.2.9  1998/01/23 16:49:27  calle
48 
 * added functions for pcmcia cards,
49 
 * avmb1_addcard returns now the controller number.
50 
 *
51 
 * Revision 1.4.2.8  1998/01/16 14:04:15  calle
52 
 * Decoding of manufacturer part of capi_profile, now show linetype and
53 
 * protocol if possible.
54 
 *
55 
 * Revision 1.4.2.7  1998/01/15 15:33:34  calle
56 
 * print cardtype, d2 protocol and linetype after load.
57 
 *
58 
 * Revision 1.4.2.6  1997/12/08 06:58:41  calle
59 
 * correct typo.
60 
 *
61 
 * Revision 1.4.2.5  1997/12/07 19:59:54  calle
62 
 * more changes for M1/T1/B1 + config
63 
 *
64 
 * Revision 1.4.2.4  1997/11/26 16:57:20  calle
65 
 * more changes for B1/M1/T1.
66 
 *
67 
 * Revision 1.4.2.3  1997/11/26 10:46:52  calle
68 
 * prepared for M1 (Mobile) and T1 (PMX) cards.
69 
 * prepared to set configuration after load to support other D-channel
70 
 * protocols, point-to-point and leased lines.
71 
 *
72 
 * Revision 1.4.2.2  1997/10/19 14:44:36  calle
73 
 * fixed capi_get_version.
74 
 *
75 
 * Revision 1.4.2.1  1997/07/12 08:18:59  calle
76 
 * Correct bug in CARD_NR macro, so now more than one card will work.
77 
 * Allow card reset, even if card is in running state.
78 
 *
79 
 * Revision 1.4  1997/05/27 15:17:45  fritz
80 
 * Added changes for recent 2.1.x kernels:
81 
 *   changed return type of isdn_close
82 
 *   queue_task_* -> queue_task
83 
 *   clear/set_bit -> test_and_... where apropriate.
84 
 *   changed type of hard_header_cache parameter.
85 
 *
86 
 * Revision 1.3  1997/05/18 09:24:09  calle
87 
 * added verbose disconnect reason reporting to avmb1.
88 
 * some fixes in capi20 interface.
89 
 * changed info messages for B1-PCI
90 
 *
91 
 * Revision 1.2  1997/03/05 21:20:41  fritz
92 
 * Removed include of config.h (mkdep stated this is unneded).
93 
 *
94 
 * Revision 1.1  1997/03/04 21:50:27  calle
95 
 * Frirst version in isdn4linux
96 
 *
97 
 * Revision 2.2  1997/02/12 09:31:39  calle
98 
 * new version
99 
 *
100 
 * Revision 1.1  1997/01/31 10:32:20  calle
101 
 * Initial revision
102 
 *
103 
 *
104 
 */
105 
 
106 
#include <linux/module.h>
107 
#include <linux/kernel.h>
108 
#include <linux/mm.h>
109 
#include <linux/interrupt.h>
110 
#include <linux/ioport.h>
111 
#include <asm/segment.h>
112 
#include <linux/skbuff.h>
113 
#include <linux/tqueue.h>
114 
#include <linux/capi.h>
115 
#include <linux/b1lli.h>
116 
#include <linux/kernelcapi.h>
117 
#include "compat.h"
118 
#include "capicmd.h"
119 
#include "capiutil.h"
120 
 
121 
static char *revision = "$Revision: 1.1.1.1 $";
122 
 
123 
/* ------------------------------------------------------------- */
124 
 
125 
int showcapimsgs = 0;            /* used in lli.c */
126 
int loaddebug = 0;
127 
 
128 
#ifdef HAS_NEW_SYMTAB
129 
MODULE_AUTHOR("Carsten Paeth <calle@calle.in-berlin.de>");
130 
MODULE_PARM(showcapimsgs, "0-5i");
131 
MODULE_PARM(loaddebug, "0-1i");
132 
#endif
133 
 
134 
/* ------------------------------------------------------------- */
135 
 
136 
struct msgidqueue {
137 
        struct msgidqueue *next;
138 
        __u16 msgid;
139 
};
140 
 
141 
typedef struct avmb1_ncci {
142 
        struct avmb1_ncci *next;
143 
        __u16 applid;
144 
        __u32 ncci;
145 
        __u32 winsize;
146 
        struct msgidqueue *msgidqueue;
147 
        struct msgidqueue *msgidlast;
148 
        struct msgidqueue *msgidfree;
149 
        struct msgidqueue msgidpool[CAPI_MAXDATAWINDOW];
150 
} avmb1_ncci;
151 
 
152 
typedef struct avmb1_appl {
153 
        __u16 applid;
154 
        capi_register_params rparam;
155 
        int releasing;
156 
        __u32 param;
157 
        void (*signal) (__u16 applid, __u32 param);
158 
        struct sk_buff_head recv_queue;
159 
        struct avmb1_ncci *nccilist;
160 
} avmb1_appl;
161 
 
162 
/* ------------------------------------------------------------- */
163 
 
164 
static struct capi_version driver_version = {2, 0, 1, 1<<4};
165 
static char driver_serial[CAPI_SERIAL_LEN] = "4711";
166 
static char capi_manufakturer[64] = "AVM Berlin";
167 
 
168 
#define APPL(a)            (&applications[(a)-1])
169 
#define VALID_APPLID(a)    ((a) && (a) <= CAPI_MAXAPPL && APPL(a)->applid == a)
170 
#define APPL_IS_FREE(a)    (APPL(a)->applid == 0)
171 
#define APPL_MARK_FREE(a)  do{ APPL(a)->applid=0; MOD_DEC_USE_COUNT; }while(0);
172 
#define APPL_MARK_USED(a)  do{ APPL(a)->applid=(a); MOD_INC_USE_COUNT; }while(0);
173 
 
174 
#define NCCI2CTRL(ncci)    (((ncci) >> 24) & 0x7f)
175 
 
176 
#define VALID_CARD(c)      ((c) > 0 && (c) <= CAPI_MAXCONTR)
177 
#define CARD(c)            (&cards[(c)-1])
178 
#define CARDNR(cp)         (((cp)-cards)+1)
179 
 
180 
static avmb1_appl applications[CAPI_MAXAPPL];
181 
static avmb1_card cards[CAPI_MAXCONTR];
182 
static int ncards = 0;
183 
static struct sk_buff_head recv_queue;
184 
static struct capi_interface_user *capi_users = 0;
185 
static long notify_up_set = 0;
186 
static long notify_down_set = 0;
187 
 
188 
static struct tq_struct tq_state_notify;
189 
static struct tq_struct tq_recv_notify;
190 
 
191 
/* -------- util functions ------------------------------------ */
192 
 
193 
static char *cardtype2str(int cardtype)
194 
{
195 
        switch (cardtype) {
196 
                default:
197 
                case AVM_CARDTYPE_B1: return "B1";
198 
                case AVM_CARDTYPE_M1: return "M1";
199 
                case AVM_CARDTYPE_M2: return "M2";
200 
                case AVM_CARDTYPE_T1: return "T1";
201 
        }
202 
}
203 
 
204 
static inline int capi_cmd_valid(__u8 cmd)
205 
{
206 
        switch (cmd) {
207 
        case CAPI_ALERT:
208 
        case CAPI_CONNECT:
209 
        case CAPI_CONNECT_ACTIVE:
210 
        case CAPI_CONNECT_B3_ACTIVE:
211 
        case CAPI_CONNECT_B3:
212 
        case CAPI_CONNECT_B3_T90_ACTIVE:
213 
        case CAPI_DATA_B3:
214 
        case CAPI_DISCONNECT_B3:
215 
        case CAPI_DISCONNECT:
216 
        case CAPI_FACILITY:
217 
        case CAPI_INFO:
218 
        case CAPI_LISTEN:
219 
        case CAPI_MANUFACTURER:
220 
        case CAPI_RESET_B3:
221 
        case CAPI_SELECT_B_PROTOCOL:
222 
                return 1;
223 
        }
224 
        return 0;
225 
}
226 
 
227 
static inline int capi_subcmd_valid(__u8 subcmd)
228 
{
229 
        switch (subcmd) {
230 
        case CAPI_REQ:
231 
        case CAPI_CONF:
232 
        case CAPI_IND:
233 
        case CAPI_RESP:
234 
                return 1;
235 
        }
236 
        return 0;
237 
}
238 
 
239 
/* -------- NCCI Handling ------------------------------------- */
240 
 
241 
static inline void mq_init(avmb1_ncci * np)
242 
{
243 
        int i;
244 
        np->msgidqueue = 0;
245 
        np->msgidlast = 0;
246 
        memset(np->msgidpool, 0, sizeof(np->msgidpool));
247 
        np->msgidfree = &np->msgidpool[0];
248 
        for (i = 1; i < np->winsize; i++) {
249 
                np->msgidpool[i].next = np->msgidfree;
250 
                np->msgidfree = &np->msgidpool[i];
251 
        }
252 
}
253 
 
254 
static inline int mq_enqueue(avmb1_ncci * np, __u16 msgid)
255 
{
256 
        struct msgidqueue *mq;
257 
        if ((mq = np->msgidfree) == 0)
258 
                return 0;
259 
        np->msgidfree = mq->next;
260 
        mq->msgid = msgid;
261 
        mq->next = 0;
262 
        if (np->msgidlast)
263 
                np->msgidlast->next = mq;
264 
        np->msgidlast = mq;
265 
        if (!np->msgidqueue)
266 
                np->msgidqueue = mq;
267 
        return 1;
268 
}
269 
 
270 
static inline int mq_dequeue(avmb1_ncci * np, __u16 msgid)
271 
{
272 
        struct msgidqueue **pp;
273 
        for (pp = &np->msgidqueue; *pp; pp = &(*pp)->next) {
274 
                if ((*pp)->msgid == msgid) {
275 
                        struct msgidqueue *mq = *pp;
276 
                        *pp = mq->next;
277 
                        if (mq == np->msgidlast)
278 
                                np->msgidlast = 0;
279 
                        mq->next = np->msgidfree;
280 
                        np->msgidfree = mq;
281 
                        return 1;
282 
                }
283 
        }
284 
        return 0;
285 
}
286 
 
287 
void avmb1_handle_new_ncci(avmb1_card * card,
288 
                           __u16 appl, __u32 ncci, __u32 winsize)
289 
{
290 
        avmb1_ncci *np;
291 
        if (!VALID_APPLID(appl)) {
292 
                printk(KERN_ERR "avmb1_handle_new_ncci: illegal appl %d\n", appl);
293 
                return;
294 
        }
295 
        if ((np = (avmb1_ncci *) kmalloc(sizeof(avmb1_ncci), GFP_ATOMIC)) == 0) {
296 
                printk(KERN_ERR "avmb1_handle_new_ncci: alloc failed ncci 0x%x\n", ncci);
297 
                return;
298 
        }
299 
        if (winsize > CAPI_MAXDATAWINDOW) {
300 
                printk(KERN_ERR "avmb1_handle_new_ncci: winsize %d too big, set to %d\n",
301 
                       winsize, CAPI_MAXDATAWINDOW);
302 
                winsize = CAPI_MAXDATAWINDOW;
303 
        }
304 
        np->applid = appl;
305 
        np->ncci = ncci;
306 
        np->winsize = winsize;
307 
        mq_init(np);
308 
        np->next = APPL(appl)->nccilist;
309 
        APPL(appl)->nccilist = np;
310 
        printk(KERN_INFO "b1capi: appl %d ncci 0x%x up\n", appl, ncci);
311 
 
312 
}
313 
 
314 
void avmb1_handle_free_ncci(avmb1_card * card,
315 
                            __u16 appl, __u32 ncci)
316 
{
317 
        if (!VALID_APPLID(appl)) {
318 
                printk(KERN_ERR "avmb1_handle_free_ncci: illegal appl %d\n", appl);
319 
                return;
320 
        }
321 
        if (ncci != 0xffffffff) {
322 
                avmb1_ncci **pp;
323 
                for (pp = &APPL(appl)->nccilist; *pp; pp = &(*pp)->next) {
324 
                        if ((*pp)->ncci == ncci) {
325 
                                avmb1_ncci *np = *pp;
326 
                                *pp = np->next;
327 
                                kfree(np);
328 
                                printk(KERN_INFO "b1capi: appl %d ncci 0x%x down\n", appl, ncci);
329 
                                return;
330 
                        }
331 
                }
332 
                printk(KERN_ERR "avmb1_handle_free_ncci: ncci 0x%x not found\n", ncci);
333 
        } else {
334 
                avmb1_ncci **pp, **nextpp;
335 
                for (pp = &APPL(appl)->nccilist; *pp; pp = nextpp) {
336 
                        if (NCCI2CTRL((*pp)->ncci) == card->cnr) {
337 
                                avmb1_ncci *np = *pp;
338 
                                *pp = np->next;
339 
                                printk(KERN_INFO "b1capi: appl %d ncci 0x%x down!\n", appl, np->ncci);
340 
                                kfree(np);
341 
                                nextpp = pp;
342 
                        } else {
343 
                                nextpp = &(*pp)->next;
344 
                        }
345 
                }
346 
                APPL(appl)->releasing--;
347 
                if (APPL(appl)->releasing <= 0) {
348 
                        APPL(appl)->signal = 0;
349 
                        APPL_MARK_FREE(appl);
350 
                        printk(KERN_INFO "b1capi: appl %d down\n", appl);
351 
                }
352 
        }
353 
}
354 
 
355 
static avmb1_ncci *find_ncci(avmb1_appl * app, __u32 ncci)
356 
{
357 
        avmb1_ncci *np;
358 
        for (np = app->nccilist; np; np = np->next) {
359 
                if (np->ncci == ncci)
360 
                        return np;
361 
        }
362 
        return 0;
363 
}
364 
 
365 
 
366 
 
367 
/* -------- Receiver ------------------------------------------ */
368 
 
369 
 
370 
static void recv_handler(void *dummy)
371 
{
372 
        struct sk_buff *skb;
373 
 
374 
        while ((skb = skb_dequeue(&recv_queue)) != 0) {
375 
                __u16 appl = CAPIMSG_APPID(skb->data);
376 
                struct avmb1_ncci *np;
377 
                if (!VALID_APPLID(appl)) {
378 
                        printk(KERN_ERR "b1capi: recv_handler: applid %d ? (%s)\n",
379 
                               appl, capi_message2str(skb->data));
380 
                        kfree_skb(skb, FREE_READ);
381 
                        continue;
382 
                }
383 
                if (APPL(appl)->signal == 0) {
384 
                        printk(KERN_ERR "b1capi: recv_handler: applid %d has no signal function\n",
385 
                               appl);
386 
                        kfree_skb(skb, FREE_READ);
387 
                        continue;
388 
                }
389 
                if (   CAPIMSG_COMMAND(skb->data) == CAPI_DATA_B3
390 
                    && CAPIMSG_SUBCOMMAND(skb->data) == CAPI_CONF
391 
                    && (np = find_ncci(APPL(appl), CAPIMSG_NCCI(skb->data))) != 0
392 
                    && mq_dequeue(np, CAPIMSG_MSGID(skb->data)) == 0) {
393 
                        printk(KERN_ERR "b1capi: msgid %hu ncci 0x%x not on queue\n",
394 
                                CAPIMSG_MSGID(skb->data), np->ncci);
395 
                }
396 
                skb_queue_tail(&APPL(appl)->recv_queue, skb);
397 
                (APPL(appl)->signal) (APPL(appl)->applid, APPL(appl)->param);
398 
        }
399 
}
400 
 
401 
 
402 
void avmb1_handle_capimsg(avmb1_card * card, __u16 appl, struct sk_buff *skb)
403 
{
404 
        if (card->cardstate != CARD_RUNNING) {
405 
                printk(KERN_INFO "b1capi: controller %d not active, got: %s",
406 
                       card->cnr, capi_message2str(skb->data));
407 
                goto error;
408 
                return;
409 
        }
410 
        skb_queue_tail(&recv_queue, skb);
411 
        queue_task(&tq_recv_notify, &tq_immediate);
412 
        mark_bh(IMMEDIATE_BH);
413 
        return;
414 
 
415 
      error:
416 
        kfree_skb(skb, FREE_READ);
417 
}
418 
 
419 
void avmb1_interrupt(int interrupt, void *devptr, struct pt_regs *regs)
420 
{
421 
        avmb1_card *card;
422 
 
423 
        card = (avmb1_card *) devptr;
424 
 
425 
        if (!card) {
426 
                printk(KERN_WARNING "avmb1_interrupt: wrong device\n");
427 
                return;
428 
        }
429 
        if (card->interrupt) {
430 
                printk(KERN_ERR "avmb1_interrupt: reentering interrupt hander\n");
431 
                return;
432 
        }
433 
 
434 
        card->interrupt = 1;
435 
 
436 
        B1_handle_interrupt(card);
437 
 
438 
        card->interrupt = 0;
439 
}
440 
 
441 
/* -------- Notifier ------------------------------------------ */
442 
 
443 
static void notify_up(__u16 contr)
444 
{
445 
        struct capi_interface_user *p;
446 
 
447 
        printk(KERN_NOTICE "b1capi: notify up contr %d\n", contr);
448 
        for (p = capi_users; p; p = p->next) {
449 
                if (p->callback)
450 
                        (*p->callback) (KCI_CONTRUP, contr,
451 
                                (capi_profile *)
452 
                                        CARD(contr)->version[VER_PROFILE]);
453 
        }
454 
}
455 
 
456 
static void notify_down(__u16 contr)
457 
{
458 
        struct capi_interface_user *p;
459 
        printk(KERN_NOTICE "b1capi: notify down contr %d\n", contr);
460 
        for (p = capi_users; p; p = p->next) {
461 
                if (p->callback)
462 
                        (*p->callback) (KCI_CONTRDOWN, contr, 0);
463 
        }
464 
}
465 
 
466 
static void notify_handler(void *dummy)
467 
{
468 
        __u16 contr;
469 
 
470 
        for (contr=1; VALID_CARD(contr); contr++)
471 
                 if (test_and_clear_bit(contr, &notify_up_set))
472 
                         notify_up(contr);
473 
        for (contr=1; VALID_CARD(contr); contr++)
474 
                 if (test_and_clear_bit(contr, &notify_down_set))
475 
                         notify_down(contr);
476 
}
477 
 
478 
/* -------- card ready callback ------------------------------- */
479 
 
480 
 
481 
void avmb1_card_ready(avmb1_card * card)
482 
{
483 
        struct capi_profile *profp =
484 
                        (struct capi_profile *)card->version[VER_PROFILE];
485 
        char *dversion = card->version[VER_DRIVER];
486 
        __u16 appl;
487 
        char *cardname, cname[20];
488 
        __u32 flag;
489 
        int nbchan = profp->nbchannel;
490 
 
491 
        card->cversion.majorversion = 2;
492 
        card->cversion.minorversion = 0;
493 
        card->cversion.majormanuversion = (((dversion[0] - '0') & 0xf) << 4);
494 
        card->cversion.majormanuversion |= ((dversion[2] - '0') & 0xf);
495 
        card->cversion.minormanuversion = (dversion[3] - '0') << 4;
496 
        card->cversion.minormanuversion |=
497 
                (dversion[5] - '0') * 10 + ((dversion[6] - '0') & 0xf);
498 
        card->cardstate = CARD_RUNNING;
499 
 
500 
        for (appl = 1; appl <= CAPI_MAXAPPL; appl++) {
501 
                if (VALID_APPLID(appl) && !APPL(appl)->releasing) {
502 
                        int nconn, want = APPL(appl)->rparam.level3cnt;
503 
 
504 
                        if (want > 0) nconn = want;
505 
                        else nconn = nbchan * -want;
506 
                        if (nconn == 0) nconn = nbchan;
507 
 
508 
                        B1_send_register(card->port, appl,
509 
                                1024 * (nconn+1), nconn,
510 
                                APPL(appl)->rparam.datablkcnt,
511 
                                APPL(appl)->rparam.datablklen);
512 
                }
513 
        }
514 
 
515 
        set_bit(CARDNR(card), &notify_up_set);
516 
        queue_task(&tq_state_notify, &tq_scheduler);
517 
 
518 
        flag = ((__u8 *)(profp->manu))[1];
519 
        switch (flag) {
520 
        case 0: cardname = cardtype2str(card->cardtype); break;
521 
        case 3: cardname = "PCMCIA B"; break;
522 
        case 4: cardname = "PCMCIA M1"; break;
523 
        case 5: cardname = "PCMCIA M2"; break;
524 
        case 6: cardname = "B1 V3.0"; break;
525 
        case 7: cardname = "B1 PCI"; break;
526 
        default: cardname = cname; break;
527 
                 sprintf(cname, "AVM?%u", (unsigned int)flag);
528 
                 break;
529 
        }
530 
        printk(KERN_NOTICE "b1capi: card %d \"%s\" ready.\n",
531 
                CARDNR(card), cardname);
532 
        flag = ((__u8 *)(profp->manu))[3];
533 
        if (flag)
534 
                printk(KERN_NOTICE "b1capi: card %d Protocol:%s%s%s%s%s%s%s\n",
535 
                        CARDNR(card),
536 
                        (flag & 0x01) ? " DSS1" : "",
537 
                        (flag & 0x02) ? " CT1" : "",
538 
                        (flag & 0x04) ? " VN3" : "",
539 
                        (flag & 0x08) ? " NI1" : "",
540 
                        (flag & 0x10) ? " AUSTEL" : "",
541 
                        (flag & 0x20) ? " ESS" : "",
542 
                        (flag & 0x40) ? " 1TR6" : ""
543 
                        );
544 
        flag = ((__u8 *)(profp->manu))[5];
545 
        if (flag)
546 
                printk(KERN_NOTICE "b1capi: card %d Linetype:%s%s%s%s\n",
547 
                        CARDNR(card),
548 
                        (flag & 0x01) ? " point to point" : "",
549 
                        (flag & 0x02) ? " point to multipoint" : "",
550 
                        (flag & 0x08) ? " leased line without D-channel" : "",
551 
                        (flag & 0x04) ? " leased line with D-channel" : ""
552 
                        );
553 
}
554 
 
555 
static void avmb1_card_down(avmb1_card * card, int notify)
556 
{
557 
        __u16 appl;
558 
 
559 
        card->cardstate = CARD_DETECTED;
560 
 
561 
        for (appl = 1; appl <= CAPI_MAXAPPL; appl++) {
562 
                avmb1_ncci **pp, **nextpp;
563 
                for (pp = &APPL(appl)->nccilist; *pp; pp = nextpp) {
564 
                        if (NCCI2CTRL((*pp)->ncci) == card->cnr) {
565 
                                avmb1_ncci *np = *pp;
566 
                                *pp = np->next;
567 
                                printk(KERN_INFO "b1capi: appl %d ncci 0x%x forced down!\n", appl, np->ncci);
568 
                                kfree(np);
569 
                                nextpp = pp;
570 
                        } else {
571 
                                nextpp = &(*pp)->next;
572 
                        }
573 
                }
574 
        }
575 
        set_bit(CARDNR(card), &notify_down_set);
576 
        queue_task(&tq_state_notify, &tq_scheduler);
577 
        printk(KERN_NOTICE "b1capi: card %d down.\n", CARDNR(card));
578 
}
579 
 
580 
/* ------------------------------------------------------------- */
581 
 
582 
 
583 
int avmb1_registercard(int port, int irq, int cardtype, int allocio)
584 
{
585 
        struct avmb1_card *card;
586 
        int irqval,i;
587 
 
588 
 
589 
        for (i=0; i < CAPI_MAXCONTR && cards[i].cardstate != CARD_FREE; i++) ;
590 
 
591 
        if (i == CAPI_MAXCONTR) {
592 
                printk(KERN_ERR "b1capi: out of controller slots\n");
593 
                return -ENFILE;
594 
        }
595 
 
596 
        card = &cards[i];
597 
        memset(card, 0, sizeof(avmb1_card));
598 
        sprintf(card->name, "avmb1-%d", CARDNR(card));
599 
 
600 
        if (allocio)
601 
                request_region(port, AVMB1_PORTLEN, card->name);
602 
 
603 
        if ((irqval = request_irq(irq, avmb1_interrupt,
604 
                                 SA_SHIRQ, card->name, card)) != 0) {
605 
                printk(KERN_ERR "b1capi: unable to get IRQ %d (irqval=%d).\n",
606 
                       irq, irqval);
607 
                release_region(port, AVMB1_PORTLEN);
608 
                return -EBUSY;
609 
        }
610 
 
611 
        card->cardstate = CARD_DETECTED;
612 
        ncards++;
613 
        card->cnr = CARDNR(card);
614 
        card->port = port;
615 
        card->irq = irq;
616 
        card->cardtype = cardtype;
617 
        return card->cnr;
618 
}
619 
 
620 
int avmb1_addcard(int port, int irq, int cardtype)
621 
{
622 
        return avmb1_registercard(port, irq, cardtype, 1);
623 
}
624 
 
625 
int avmb1_detectcard(int port, int irq, int cardtype)
626 
{
627 
        int rc;
628 
 
629 
        if (!B1_valid_irq(irq, cardtype)) {
630 
                printk(KERN_WARNING "b1capi: irq %d not valid for %s-card.\n",
631 
                                irq, cardtype2str(cardtype));
632 
                return -EINVAL;
633 
        }
634 
        if (!B1_valid_port(port, cardtype)) {
635 
                printk(KERN_WARNING "b1capi: port 0x%x not valid for %s-card.\n",
636 
                                port, cardtype2str(cardtype));
637 
                return -EINVAL;
638 
        }
639 
        B1_reset(port);
640 
        if ((rc = B1_detect(port, cardtype)) != 0) {
641 
                printk(KERN_NOTICE "b1capi: NO %s-card at 0x%x (%d)\n",
642 
                                          cardtype2str(cardtype), port, rc);
643 
                return -EIO;
644 
        }
645 
        B1_reset(port);
646 
        switch (cardtype) {
647 
                default:
648 
                case AVM_CARDTYPE_M1:
649 
                case AVM_CARDTYPE_M2:
650 
                case AVM_CARDTYPE_B1:
651 
                        printk(KERN_NOTICE "b1capi: AVM-%s-Controller detected at 0x%x\n", cardtype2str(cardtype), port);
652 
                        break;
653 
                case AVM_CARDTYPE_T1:
654 
                        break;
655 
        }
656 
 
657 
        return 0;
658 
}
659 
 
660 
int avmb1_probecard(int port, int irq, int cardtype)
661 
{
662 
        if (check_region(port, AVMB1_PORTLEN)) {
663 
                printk(KERN_WARNING
664 
                       "b1capi: ports 0x%03x-0x%03x in use.\n",
665 
                       port, port + AVMB1_PORTLEN);
666 
                return -EBUSY;
667 
        }
668 
        return avmb1_detectcard(port, irq, cardtype);
669 
}
670 
 
671 
int avmb1_unregistercard(int cnr, int freeio)
672 
{
673 
        avmb1_card * card;
674 
        if (!VALID_CARD(cnr))
675 
                return -ESRCH;
676 
        card = CARD(cnr);
677 
 
678 
        if (card->cardstate == CARD_FREE)
679 
                return -ESRCH;
680 
        if (card->cardstate == CARD_RUNNING)
681 
                avmb1_card_down(card, freeio);
682 
 
683 
        if (card->cardstate != CARD_FREE)
684 
                if (card->cardtype == AVM_CARDTYPE_T1)
685 
                        T1_reset(card->port);
686 
 
687 
        free_irq(card->irq, card);
688 
        if (freeio)
689 
                release_region(card->port, AVMB1_PORTLEN);
690 
        card->cardstate = CARD_FREE;
691 
        return 0;
692 
}
693 
 
694 
int avmb1_resetcard(int cnr)
695 
{
696 
        avmb1_card * card;
697 
 
698 
        if (!VALID_CARD(cnr))
699 
                return -ESRCH;
700 
        card = CARD(cnr);
701 
        if (card->cardstate == CARD_FREE)
702 
                return -ESRCH;
703 
 
704 
        if (card->cardstate == CARD_RUNNING)
705 
                avmb1_card_down(card, 0);
706 
 
707 
        B1_reset(card->port);
708 
        B1_reset(card->port);
709 
 
710 
        card->cardstate = CARD_DETECTED;
711 
 
712 
        return 0;
713 
}
714 
 
715 
/* ------------------------------------------------------------- */
716 
/* -------- CAPI2.0 Interface ---------------------------------- */
717 
/* ------------------------------------------------------------- */
718 
 
719 
static int capi_installed(void)
720 
{
721 
        int i;
722 
        for (i = 0; i < CAPI_MAXCONTR; i++) {
723 
                if (cards[i].cardstate == CARD_RUNNING)
724 
                        return 1;
725 
        }
726 
        return 0;
727 
}
728 
 
729 
static __u16 capi_register(capi_register_params * rparam, __u16 * applidp)
730 
{
731 
        int nconn, want = rparam->level3cnt;
732 
        int i;
733 
        int appl;
734 
 
735 
        if (rparam->datablklen < 128)
736 
                return CAPI_LOGBLKSIZETOSMALL;
737 
 
738 
        for (appl = 1; appl <= CAPI_MAXAPPL; appl++) {
739 
                if (APPL_IS_FREE(appl))
740 
                        break;
741 
        }
742 
        if (appl > CAPI_MAXAPPL)
743 
                return CAPI_TOOMANYAPPLS;
744 
 
745 
        APPL_MARK_USED(appl);
746 
        skb_queue_head_init(&APPL(appl)->recv_queue);
747 
 
748 
        memcpy(&APPL(appl)->rparam, rparam, sizeof(capi_register_params));
749 
 
750 
        for (i = 0; i < CAPI_MAXCONTR; i++) {
751 
                struct capi_profile *profp =
752 
                        (struct capi_profile *)cards[i].version[VER_PROFILE];
753 
 
754 
                if (cards[i].cardstate != CARD_RUNNING)
755 
                        continue;
756 
 
757 
                if (want > 0) nconn = want;
758 
                else nconn = profp->nbchannel * -want;
759 
                if (nconn == 0) nconn = profp->nbchannel;
760 
 
761 
                B1_send_register(cards[i].port, appl,
762 
                        1024 * (nconn+1), nconn,
763 
                        APPL(appl)->rparam.datablkcnt,
764 
                        APPL(appl)->rparam.datablklen);
765 
        }
766 
        *applidp = appl;
767 
        printk(KERN_INFO "b1capi: appl %d up\n", appl);
768 
 
769 
        return CAPI_NOERROR;
770 
}
771 
 
772 
static __u16 capi_release(__u16 applid)
773 
{
774 
        struct sk_buff *skb;
775 
        int i;
776 
 
777 
        if (!VALID_APPLID(applid) || APPL(applid)->releasing)
778 
                return CAPI_ILLAPPNR;
779 
        while ((skb = skb_dequeue(&APPL(applid)->recv_queue)) != 0)
780 
                kfree_skb(skb, FREE_READ);
781 
        for (i = 0; i < CAPI_MAXCONTR; i++) {
782 
                if (cards[i].cardstate != CARD_RUNNING) {
783 
                        continue;
784 
                }
785 
                APPL(applid)->releasing++;
786 
                B1_send_release(cards[i].port, applid);
787 
        }
788 
        if (APPL(applid)->releasing <= 0) {
789 
                APPL(applid)->signal = 0;
790 
                APPL_MARK_FREE(applid);
791 
                printk(KERN_INFO "b1capi: appl %d down\n", applid);
792 
        }
793 
        return CAPI_NOERROR;
794 
}
795 
 
796 
static __u16 capi_put_message(__u16 applid, struct sk_buff *skb)
797 
{
798 
        avmb1_ncci *np;
799 
        int contr;
800 
        if (ncards == 0)
801 
                return CAPI_REGNOTINSTALLED;
802 
        if (!VALID_APPLID(applid))
803 
                return CAPI_ILLAPPNR;
804 
        if (skb->len < 12
805 
            || !capi_cmd_valid(CAPIMSG_COMMAND(skb->data))
806 
            || !capi_subcmd_valid(CAPIMSG_SUBCOMMAND(skb->data)))
807 
                return CAPI_ILLCMDORSUBCMDORMSGTOSMALL;
808 
        contr = CAPIMSG_CONTROLLER(skb->data);
809 
        if (!VALID_CARD(contr) || CARD(contr)->cardstate != CARD_RUNNING) {
810 
                contr = 1;
811 
                if (CARD(contr)->cardstate != CARD_RUNNING)
812 
                        return CAPI_REGNOTINSTALLED;
813 
        }
814 
        if (CARD(contr)->blocked)
815 
                return CAPI_SENDQUEUEFULL;
816 
 
817 
        if (   CAPIMSG_COMMAND(skb->data) == CAPI_DATA_B3
818 
            && CAPIMSG_SUBCOMMAND(skb->data) == CAPI_REQ
819 
            && (np = find_ncci(APPL(applid), CAPIMSG_NCCI(skb->data))) != 0
820 
            && mq_enqueue(np, CAPIMSG_MSGID(skb->data)) == 0)
821 
                return CAPI_SENDQUEUEFULL;
822 
 
823 
        B1_send_message(CARD(contr)->port, skb);
824 
        return CAPI_NOERROR;
825 
}
826 
 
827 
static __u16 capi_get_message(__u16 applid, struct sk_buff **msgp)
828 
{
829 
        struct sk_buff *skb;
830 
 
831 
        if (!VALID_APPLID(applid))
832 
                return CAPI_ILLAPPNR;
833 
        if ((skb = skb_dequeue(&APPL(applid)->recv_queue)) == 0)
834 
                return CAPI_RECEIVEQUEUEEMPTY;
835 
        *msgp = skb;
836 
        return CAPI_NOERROR;
837 
}
838 
 
839 
static __u16 capi_set_signal(__u16 applid,
840 
                             void (*signal) (__u16 applid, __u32 param),
841 
                             __u32 param)
842 
{
843 
        if (!VALID_APPLID(applid))
844 
                return CAPI_ILLAPPNR;
845 
        APPL(applid)->signal = signal;
846 
        APPL(applid)->param = param;
847 
        return CAPI_NOERROR;
848 
}
849 
 
850 
static __u16 capi_get_manufacturer(__u16 contr, __u8 buf[CAPI_MANUFACTURER_LEN])
851 
{
852 
        if (contr == 0) {
853 
                strncpy(buf, capi_manufakturer, CAPI_MANUFACTURER_LEN);
854 
                return CAPI_NOERROR;
855 
        }
856 
        if (!VALID_CARD(contr) || CARD(contr)->cardstate != CARD_RUNNING)
857 
                return 0x2002;
858 
 
859 
        strncpy(buf, capi_manufakturer, CAPI_MANUFACTURER_LEN);
860 
        return CAPI_NOERROR;
861 
}
862 
 
863 
static __u16 capi_get_version(__u16 contr, struct capi_version *verp)
864 
{
865 
        if (contr == 0) {
866 
                *verp = driver_version;
867 
                return CAPI_NOERROR;
868 
        }
869 
        if (!VALID_CARD(contr) || CARD(contr)->cardstate != CARD_RUNNING)
870 
                return 0x2002;
871 
 
872 
        memcpy((void *) verp, &CARD(contr)->cversion,
873 
               sizeof(capi_version));
874 
        return CAPI_NOERROR;
875 
}
876 
 
877 
static __u16 capi_get_serial(__u16 contr, __u8 serial[CAPI_SERIAL_LEN])
878 
{
879 
        if (contr == 0) {
880 
                strncpy(serial, driver_serial, 8);
881 
                return CAPI_NOERROR;
882 
        }
883 
        if (!VALID_CARD(contr) || CARD(contr)->cardstate != CARD_RUNNING)
884 
                return 0x2002;
885 
 
886 
        memcpy((void *) serial, CARD(contr)->version[VER_SERIAL],
887 
               CAPI_SERIAL_LEN);
888 
        serial[CAPI_SERIAL_LEN - 1] = 0;
889 
        return CAPI_NOERROR;
890 
}
891 
 
892 
static __u16 capi_get_profile(__u16 contr, struct capi_profile *profp)
893 
{
894 
        if (contr == 0) {
895 
                profp->ncontroller = ncards;
896 
                return CAPI_NOERROR;
897 
        }
898 
        if (!VALID_CARD(contr) || CARD(contr)->cardstate != CARD_RUNNING)
899 
                return 0x2002;
900 
 
901 
        memcpy((void *) profp, CARD(contr)->version[VER_PROFILE],
902 
               sizeof(struct capi_profile));
903 
        return CAPI_NOERROR;
904 
}
905 
 
906 
static int capi_manufacturer(unsigned int cmd, void *data)
907 
{
908 
        unsigned long flags;
909 
        avmb1_loadandconfigdef ldef;
910 
        avmb1_extcarddef cdef;
911 
        avmb1_resetdef rdef;
912 
        avmb1_getdef gdef;
913 
        avmb1_card *card;
914 
        int rc;
915 
 
916 
        switch (cmd) {
917 
        case AVMB1_ADDCARD:
918 
        case AVMB1_ADDCARD_WITH_TYPE:
919 
                if (cmd == AVMB1_ADDCARD) {
920 
                   if ((rc = copy_from_user((void *) &cdef, data,
921 
                                            sizeof(avmb1_carddef))))
922 
                           return rc;
923 
                   cdef.cardtype = AVM_CARDTYPE_B1;
924 
                } else {
925 
                   if ((rc = copy_from_user((void *) &cdef, data,
926 
                                            sizeof(avmb1_extcarddef))))
927 
                           return rc;
928 
                }
929 
 
930 
                if ((rc = avmb1_probecard(cdef.port, cdef.irq, cdef.cardtype)) != 0)
931 
                        return rc;
932 
 
933 
                if (cdef.cardtype == AVM_CARDTYPE_T1) {
934 
                        int i;
935 
                        for (i=0; i < CAPI_MAXCONTR; i++) {
936 
                                if (   cards[i].cardstate != CARD_FREE
937 
                                    && cards[i].cardtype == AVM_CARDTYPE_T1
938 
                                    && cards[i].cardnr == cdef.cardnr) {
939 
                                        printk(KERN_ERR
940 
                                                "b1capi: T1-HEMA-card-%d already at 0x%x\n",
941 
                                                cdef.cardnr, cards[i].port);
942 
                                        return -EBUSY;
943 
                                }
944 
                        }
945 
                        rc = T1_detectandinit(cdef.port,cdef.irq,cdef.cardnr);
946 
                        if (rc) {
947 
                                printk(KERN_NOTICE "b1capi: NO T1-HEMA-card-%d at 0x%x (%d)\n",
948 
                                          cdef.cardnr, cdef.port, rc);
949 
                                return -EIO;
950 
                        }
951 
                        printk(KERN_NOTICE "b1capi: T1-HEMA-card-%d at 0x%x\n",
952 
                                  cdef.cardnr, cdef.port);
953 
                }
954 
 
955 
                rc = avmb1_addcard(cdef.port, cdef.irq, cdef.cardtype);
956 
                if (rc < 0)
957 
                        return rc;
958 
                /* don't want to change interface t
959 
                   addcard/probecard/registercard */
960 
                if (cdef.cardtype == AVM_CARDTYPE_T1) {
961 
                        int i;
962 
                        for (i=0; i < CAPI_MAXCONTR; i++) {
963 
                                if (cards[i].cnr == rc) {
964 
                                        cards[i].cardnr = cdef.cardnr;
965 
                                        break;
966 
                                }
967 
                        }
968 
                }
969 
                return rc;
970 
 
971 
        case AVMB1_LOAD:
972 
        case AVMB1_LOAD_AND_CONFIG:
973 
 
974 
                if (cmd == AVMB1_LOAD) {
975 
                        if ((rc = copy_from_user((void *) &ldef, data,
976 
                                                sizeof(avmb1_loaddef))))
977 
                                return rc;
978 
                        ldef.t4config.len = 0;
979 
                        ldef.t4config.data = 0;
980 
                } else {
981 
                        if ((rc = copy_from_user((void *) &ldef, data,
982 
                                                sizeof(avmb1_loadandconfigdef))))
983 
                                return rc;
984 
                }
985 
                if (!VALID_CARD(ldef.contr))
986 
                        return -ESRCH;
987 
 
988 
                if (ldef.t4file.len <= 0) {
989 
                        printk(KERN_DEBUG "b1capi: load: invalid parameter: length of t4file is %d ?\n", ldef.t4file.len);
990 
                        return -EINVAL;
991 
                }
992 
 
993 
                card = CARD(ldef.contr);
994 
                save_flags(flags);
995 
                cli();
996 
                if (card->cardstate != CARD_DETECTED) {
997 
                        restore_flags(flags);
998 
                        if (loaddebug)
999 
                                printk(KERN_DEBUG "b1capi: load: contr=%d not in detect state\n", ldef.contr);
1000 
                        return -EBUSY;
1001 
                }
1002 
                card->cardstate = CARD_LOADING;
1003 
                restore_flags(flags);
1004 
 
1005 
                if (loaddebug) {
1006 
                        printk(KERN_DEBUG "b1capi: load: reseting contr %d\n",
1007 
                                ldef.contr);
1008 
                }
1009 
 
1010 
                B1_reset(card->port);
1011 
 
1012 
                if (loaddebug) {
1013 
                        printk(KERN_DEBUG "b1capi: loading contr %d\n",
1014 
                                ldef.contr);
1015 
                }
1016 
 
1017 
                if ((rc = B1_load_t4file(card->port, &ldef.t4file))) {
1018 
                        B1_reset(card->port);
1019 
                        printk(KERN_ERR "b1capi: failed to load t4file!!\n");
1020 
                        card->cardstate = CARD_DETECTED;
1021 
                        return rc;
1022 
                }
1023 
 
1024 
                B1_disable_irq(card->port);
1025 
 
1026 
                if (ldef.t4config.len > 0) { /* load config */
1027 
                        if (loaddebug) {
1028 
                                printk(KERN_DEBUG "b1capi: loading config to contr %d\n",
1029 
                                                        ldef.contr);
1030 
                        }
1031 
                        if ((rc = B1_load_config(card->port, &ldef.t4config))) {
1032 
                                B1_reset(card->port);
1033 
                                printk(KERN_ERR "b1capi: failed to load config!!\n");
1034 
                                card->cardstate = CARD_DETECTED;
1035 
                                return rc;
1036 
                        }
1037 
                }
1038 
 
1039 
                if (loaddebug) {
1040 
                        printk(KERN_DEBUG "b1capi: load: ready contr %d: checking\n",
1041 
                                ldef.contr);
1042 
                }
1043 
 
1044 
                if (!B1_loaded(card->port)) {
1045 
                        card->cardstate = CARD_DETECTED;
1046 
                        printk(KERN_ERR "b1capi: failed to load t4file.\n");
1047 
                        return -EIO;
1048 
                }
1049 
                /*
1050 
                 * enable interrupt
1051 
                 */
1052 
 
1053 
                card->cardstate = CARD_INITSTATE;
1054 
                save_flags(flags);
1055 
                cli();
1056 
                B1_setinterrupt(card->port, card->irq, card->cardtype);
1057 
                restore_flags(flags);
1058 
 
1059 
                if (loaddebug) {
1060 
                        printk(KERN_DEBUG "b1capi: load: irq enabled contr %d\n",
1061 
                                ldef.contr);
1062 
                }
1063 
 
1064 
                /*
1065 
                 * init card
1066 
                 */
1067 
                if (card->cardtype == AVM_CARDTYPE_T1)
1068 
                   B1_send_init(card->port, AVM_NAPPS,
1069 
                                            AVM_NNCCI_PER_CHANNEL*30,
1070 
                                            card->cnr - 1);
1071 
                else
1072 
                   B1_send_init(card->port, AVM_NAPPS,
1073 
                                            AVM_NNCCI_PER_CHANNEL*2,
1074 
                                            card->cnr - 1);
1075 
 
1076 
                if (loaddebug) {
1077 
                        printk(KERN_DEBUG "b1capi: load: waiting for init reply contr %d\n",
1078 
                                ldef.contr);
1079 
                }
1080 
 
1081 
                while (card->cardstate != CARD_RUNNING) {
1082 
 
1083 
                        current->timeout = jiffies + HZ / 10;   /* 0.1 sec */
1084 
                        current->state = TASK_INTERRUPTIBLE;
1085 
                        schedule();
1086 
 
1087 
                        if (current->signal & ~current->blocked)
1088 
                                return -EINTR;
1089 
                }
1090 
                return 0;
1091 
 
1092 
        case AVMB1_RESETCARD:
1093 
                if ((rc = copy_from_user((void *) &rdef, data,
1094 
                                         sizeof(avmb1_resetdef))))
1095 
                        return rc;
1096 
 
1097 
                return avmb1_resetcard(rdef.contr);
1098 
 
1099 
        case AVMB1_GET_CARDINFO:
1100 
                if ((rc = copy_from_user((void *) &gdef, data,
1101 
                                         sizeof(avmb1_getdef))))
1102 
                        return rc;
1103 
 
1104 
                if (!VALID_CARD(gdef.contr))
1105 
                        return -ESRCH;
1106 
 
1107 
                card = CARD(gdef.contr);
1108 
 
1109 
                gdef.cardstate = card->cardstate;
1110 
                gdef.cardtype = card->cardtype;
1111 
 
1112 
                if ((rc = copy_to_user(data, (void *) &gdef,
1113 
                                         sizeof(avmb1_getdef))))
1114 
                        return rc;
1115 
 
1116 
                return 0;
1117 
        case AVMB1_REMOVECARD:
1118 
                if ((rc = copy_from_user((void *) &rdef, data,
1119 
                                         sizeof(avmb1_resetdef))))
1120 
                        return rc;
1121 
                if (!VALID_CARD(rdef.contr))
1122 
                        return -ESRCH;
1123 
 
1124 
                card = CARD(rdef.contr);
1125 
 
1126 
                if (card->cardstate != CARD_DETECTED)
1127 
                        return -EBUSY;
1128 
 
1129 
                return avmb1_unregistercard(rdef.contr, 1);
1130 
        }
1131 
        return -EINVAL;
1132 
}
1133 
 
1134 
struct capi_interface avmb1_interface =
1135 
{
1136 
        capi_installed,
1137 
        capi_register,
1138 
        capi_release,
1139 
        capi_put_message,
1140 
        capi_get_message,
1141 
        capi_set_signal,
1142 
        capi_get_manufacturer,
1143 
        capi_get_version,
1144 
        capi_get_serial,
1145 
        capi_get_profile,
1146 
        capi_manufacturer
1147 
};
1148 
 
1149 
/* ------------------------------------------------------------- */
1150 
/* -------- Exported Functions --------------------------------- */
1151 
/* ------------------------------------------------------------- */
1152 
 
1153 
struct capi_interface *attach_capi_interface(struct capi_interface_user *userp)
1154 
{
1155 
        struct capi_interface_user *p;
1156 
 
1157 
        for (p = capi_users; p; p = p->next) {
1158 
                if (p == userp) {
1159 
                        printk(KERN_ERR "b1capi: double attach from %s\n",
1160 
                               userp->name);
1161 
                        return 0;
1162 
                }
1163 
        }
1164 
        userp->next = capi_users;
1165 
        capi_users = userp;
1166 
        MOD_INC_USE_COUNT;
1167 
        printk(KERN_NOTICE "b1capi: %s attached\n", userp->name);
1168 
 
1169 
        return &avmb1_interface;
1170 
}
1171 
 
1172 
int detach_capi_interface(struct capi_interface_user *userp)
1173 
{
1174 
        struct capi_interface_user **pp;
1175 
 
1176 
        for (pp = &capi_users; *pp; pp = &(*pp)->next) {
1177 
                if (*pp == userp) {
1178 
                        *pp = userp->next;
1179 
                        userp->next = 0;
1180 
                        MOD_DEC_USE_COUNT;
1181 
                        printk(KERN_NOTICE "b1capi: %s detached\n", userp->name);
1182 
                        return 0;
1183 
                }
1184 
        }
1185 
        printk(KERN_ERR "b1capi: double detach from %s\n", userp->name);
1186 
        return -1;
1187 
}
1188 
 
1189 
/* ------------------------------------------------------------- */
1190 
/* -------- Init & Cleanup ------------------------------------- */
1191 
/* ------------------------------------------------------------- */
1192 
 
1193 
#ifdef HAS_NEW_SYMTAB
1194 
EXPORT_SYMBOL(attach_capi_interface);
1195 
EXPORT_SYMBOL(detach_capi_interface);
1196 
EXPORT_SYMBOL(avmb1_addcard);
1197 
EXPORT_SYMBOL(avmb1_probecard);
1198 
EXPORT_SYMBOL(avmb1_registercard);
1199 
EXPORT_SYMBOL(avmb1_unregistercard);
1200 
EXPORT_SYMBOL(avmb1_resetcard);
1201 
EXPORT_SYMBOL(avmb1_detectcard);
1202 
#else
1203 
static struct symbol_table capidev_syms =
1204 
{
1205 
#include <linux/symtab_begin.h>
1206 
        X(attach_capi_interface),
1207 
        X(detach_capi_interface),
1208 
        X(avmb1_addcard),
1209 
        X(avmb1_probecard),
1210 
        X(avmb1_registercard),
1211 
        X(avmb1_unregistercard),
1212 
        X(avmb1_resetcard),
1213 
        X(avmb1_detectcard),
1214 
#include <linux/symtab_end.h>
1215 
};
1216 
#endif
1217 
 
1218 
 
1219 
/*
1220 
 * init / exit functions
1221 
 */
1222 
 
1223 
#ifdef MODULE
1224 
#define avmb1_init init_module
1225 
#endif
1226 
 
1227 
int avmb1_init(void)
1228 
{
1229 
        char *p;
1230 
        char rev[10];
1231 
 
1232 
#ifndef HAS_NEW_SYMTAB
1233 
        /* No symbols to export, hide all symbols */
1234 
        register_symtab(&capidev_syms);
1235 
#endif
1236 
        skb_queue_head_init(&recv_queue);
1237 
        /* init_bh(CAPI_BH, do_capi_bh); */
1238 
 
1239 
        tq_state_notify.routine = notify_handler;
1240 
        tq_state_notify.data = 0;
1241 
 
1242 
        tq_recv_notify.routine = recv_handler;
1243 
        tq_recv_notify.data = 0;
1244 
 
1245 
 
1246 
        if ((p = strchr(revision, ':'))) {
1247 
                strcpy(rev, p + 1);
1248 
                p = strchr(rev, '$');
1249 
                *p = 0;
1250 
        } else
1251 
                strcpy(rev, " ??? ");
1252 
 
1253 
#ifdef MODULE
1254 
        printk(KERN_NOTICE "AVM-B1-CAPI-driver Rev%s: loaded\n", rev);
1255 
#else
1256 
        printk(KERN_NOTICE "AVM-B1-CAPI-driver Rev%s: started\n", rev);
1257 
#endif
1258 
        return 0;
1259 
}
1260 
 
1261 
#ifdef MODULE
1262 
void cleanup_module(void)
1263 
{
1264 
        char rev[10];
1265 
        char *p;
1266 
        int i;
1267 
 
1268 
        if ((p = strchr(revision, ':'))) {
1269 
                strcpy(rev, p + 1);
1270 
                p = strchr(rev, '$');
1271 
                *p = 0;
1272 
        } else {
1273 
                strcpy(rev, " ??? ");
1274 
        }
1275 
 
1276 
        for (i = 0; i < CAPI_MAXCONTR; i++) {
1277 
                if (cards[i].cardstate != CARD_FREE) {
1278 
                        /*
1279 
                         * disable card
1280 
                         */
1281 
                        B1_disable_irq(cards[i].port);
1282 
                        avmb1_resetcard(i+1);
1283 
                        /*
1284 
                         * free kernel resources
1285 
                         */
1286 
                        avmb1_unregistercard(i+1, 1);
1287 
                }
1288 
        }
1289 
        schedule(); /* execute queued tasks .... */
1290 
        printk(KERN_NOTICE "AVM-B1-CAPI-driver Rev%s: unloaded\n", rev);
1291 
}
1292 
#endif

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