1 /* $Id: capidrv.c,v 1.1.2.2 2004/01/12 23:17:24 keil Exp $
3 * ISDN4Linux Driver, using capi20 interface (kernelcapi)
5 * Copyright 1997 by Carsten Paeth <calle@calle.de>
7 * This software may be used and distributed according to the terms
8 * of the GNU General Public License, incorporated herein by reference.
12 #include <linux/module.h>
13 #include <linux/errno.h>
14 #include <linux/kernel.h>
15 #include <linux/major.h>
16 #include <linux/slab.h>
17 #include <linux/fcntl.h>
19 #include <linux/signal.h>
21 #include <linux/timer.h>
22 #include <linux/wait.h>
23 #include <linux/skbuff.h>
24 #include <linux/isdn.h>
25 #include <linux/isdnif.h>
26 #include <linux/proc_fs.h>
27 #include <linux/seq_file.h>
28 #include <linux/capi.h>
29 #include <linux/kernelcapi.h>
30 #include <linux/ctype.h>
31 #include <linux/init.h>
32 #include <linux/moduleparam.h>
34 #include <linux/isdn/capiutil.h>
35 #include <linux/isdn/capicmd.h>
38 static int debugmode = 0;
40 MODULE_DESCRIPTION("CAPI4Linux: Interface to ISDN4Linux");
41 MODULE_AUTHOR("Carsten Paeth");
42 MODULE_LICENSE("GPL");
43 module_param(debugmode, uint, S_IRUGO | S_IWUSR);
45 /* -------- type definitions ----------------------------------------- */
48 struct capidrv_contr {
50 struct capidrv_contr *next;
67 struct timer_list listentimer;
70 * ID of capi message sent
78 struct capidrv_bchan {
79 struct capidrv_contr *contr;
84 u8 mynum[ISDN_MSNLEN];
90 struct capidrv_plci *next;
92 u32 ncci; /* ncci for CONNECT_ACTIVE_IND */
93 u16 msgid; /* to identfy CONNECT_CONF */
98 struct capidrv_ncci *next;
99 struct capidrv_plci *plcip;
101 u16 msgid; /* to identfy CONNECT_B3_CONF */
107 struct ncci_datahandle_queue {
108 struct ncci_datahandle_queue *next;
114 struct capidrv_ncci *nccip;
117 struct capidrv_plci *plci_list;
127 struct capidrv_data {
128 struct capi20_appl ap;
130 struct capidrv_contr *contr_list;
133 typedef struct capidrv_plci capidrv_plci;
134 typedef struct capidrv_ncci capidrv_ncci;
135 typedef struct capidrv_contr capidrv_contr;
136 typedef struct capidrv_data capidrv_data;
137 typedef struct capidrv_bchan capidrv_bchan;
139 /* -------- data definitions ----------------------------------------- */
141 static capidrv_data global;
142 static DEFINE_SPINLOCK(global_lock);
144 static void handle_dtrace_data(capidrv_contr *card,
145 int send, int level2, u8 *data, u16 len);
147 /* -------- convert functions ---------------------------------------- */
149 static inline u32 b1prot(int l2, int l3)
152 case ISDN_PROTO_L2_X75I:
153 case ISDN_PROTO_L2_X75UI:
154 case ISDN_PROTO_L2_X75BUI:
156 case ISDN_PROTO_L2_HDLC:
159 case ISDN_PROTO_L2_TRANS:
161 case ISDN_PROTO_L2_V11096:
162 case ISDN_PROTO_L2_V11019:
163 case ISDN_PROTO_L2_V11038:
165 case ISDN_PROTO_L2_FAX:
167 case ISDN_PROTO_L2_MODEM:
172 static inline u32 b2prot(int l2, int l3)
175 case ISDN_PROTO_L2_X75I:
176 case ISDN_PROTO_L2_X75UI:
177 case ISDN_PROTO_L2_X75BUI:
180 case ISDN_PROTO_L2_HDLC:
181 case ISDN_PROTO_L2_TRANS:
182 case ISDN_PROTO_L2_V11096:
183 case ISDN_PROTO_L2_V11019:
184 case ISDN_PROTO_L2_V11038:
185 case ISDN_PROTO_L2_MODEM:
187 case ISDN_PROTO_L2_FAX:
192 static inline u32 b3prot(int l2, int l3)
195 case ISDN_PROTO_L2_X75I:
196 case ISDN_PROTO_L2_X75UI:
197 case ISDN_PROTO_L2_X75BUI:
198 case ISDN_PROTO_L2_HDLC:
199 case ISDN_PROTO_L2_TRANS:
200 case ISDN_PROTO_L2_V11096:
201 case ISDN_PROTO_L2_V11019:
202 case ISDN_PROTO_L2_V11038:
203 case ISDN_PROTO_L2_MODEM:
206 case ISDN_PROTO_L2_FAX:
211 static _cstruct b1config_async_v110(u16 rate)
213 /* CAPI-Spec "B1 Configuration" */
214 static unsigned char buf[9];
215 buf[0] = 8; /* len */
216 /* maximum bitrate */
217 buf[1] = rate & 0xff; buf[2] = (rate >> 8) & 0xff;
218 buf[3] = 8; buf[4] = 0; /* 8 bits per character */
219 buf[5] = 0; buf[6] = 0; /* parity none */
220 buf[7] = 0; buf[8] = 0; /* 1 stop bit */
224 static _cstruct b1config(int l2, int l3)
227 case ISDN_PROTO_L2_X75I:
228 case ISDN_PROTO_L2_X75UI:
229 case ISDN_PROTO_L2_X75BUI:
230 case ISDN_PROTO_L2_HDLC:
231 case ISDN_PROTO_L2_TRANS:
234 case ISDN_PROTO_L2_V11096:
235 return b1config_async_v110(9600);
236 case ISDN_PROTO_L2_V11019:
237 return b1config_async_v110(19200);
238 case ISDN_PROTO_L2_V11038:
239 return b1config_async_v110(38400);
243 static inline u16 si2cip(u8 si1, u8 si2)
245 static const u8 cip[17][5] =
248 {0, 0, 0, 0, 0}, /*0 */
249 {16, 16, 4, 26, 16}, /*1 */
250 {17, 17, 17, 4, 4}, /*2 */
251 {2, 2, 2, 2, 2}, /*3 */
252 {18, 18, 18, 18, 18}, /*4 */
253 {2, 2, 2, 2, 2}, /*5 */
254 {0, 0, 0, 0, 0}, /*6 */
255 {2, 2, 2, 2, 2}, /*7 */
256 {2, 2, 2, 2, 2}, /*8 */
257 {21, 21, 21, 21, 21}, /*9 */
258 {19, 19, 19, 19, 19}, /*10 */
259 {0, 0, 0, 0, 0}, /*11 */
260 {0, 0, 0, 0, 0}, /*12 */
261 {0, 0, 0, 0, 0}, /*13 */
262 {0, 0, 0, 0, 0}, /*14 */
263 {22, 22, 22, 22, 22}, /*15 */
264 {27, 27, 27, 28, 27} /*16 */
271 return (u16) cip[si1][si2];
274 static inline u8 cip2si1(u16 cipval)
276 static const u8 si[32] =
277 {7, 1, 7, 7, 1, 1, 7, 7, /*0-7 */
278 7, 1, 0, 0, 0, 0, 0, 0, /*8-15 */
279 1, 2, 4, 10, 9, 9, 15, 7, /*16-23 */
280 7, 7, 1, 16, 16, 0, 0, 0}; /*24-31 */
283 cipval = 0; /* .... */
287 static inline u8 cip2si2(u16 cipval)
289 static const u8 si[32] =
290 {0, 0, 0, 0, 2, 3, 0, 0, /*0-7 */
291 0, 3, 0, 0, 0, 0, 0, 0, /*8-15 */
292 1, 2, 0, 0, 9, 0, 0, 0, /*16-23 */
293 0, 0, 3, 2, 3, 0, 0, 0}; /*24-31 */
296 cipval = 0; /* .... */
301 /* -------- controller management ------------------------------------- */
303 static inline capidrv_contr *findcontrbydriverid(int driverid)
308 spin_lock_irqsave(&global_lock, flags);
309 for (p = global.contr_list; p; p = p->next)
310 if (p->myid == driverid)
312 spin_unlock_irqrestore(&global_lock, flags);
316 static capidrv_contr *findcontrbynumber(u32 contr)
319 capidrv_contr *p = global.contr_list;
321 spin_lock_irqsave(&global_lock, flags);
322 for (p = global.contr_list; p; p = p->next)
323 if (p->contrnr == contr)
325 spin_unlock_irqrestore(&global_lock, flags);
330 /* -------- plci management ------------------------------------------ */
332 static capidrv_plci *new_plci(capidrv_contr *card, int chan)
336 plcip = kzalloc(sizeof(capidrv_plci), GFP_ATOMIC);
341 plcip->state = ST_PLCI_NONE;
345 plcip->next = card->plci_list;
346 card->plci_list = plcip;
347 card->bchans[chan].plcip = plcip;
352 static capidrv_plci *find_plci_by_plci(capidrv_contr *card, u32 plci)
355 for (p = card->plci_list; p; p = p->next)
361 static capidrv_plci *find_plci_by_msgid(capidrv_contr *card, u16 msgid)
364 for (p = card->plci_list; p; p = p->next)
365 if (p->msgid == msgid)
370 static capidrv_plci *find_plci_by_ncci(capidrv_contr *card, u32 ncci)
373 for (p = card->plci_list; p; p = p->next)
374 if (p->plci == (ncci & 0xffff))
379 static void free_plci(capidrv_contr *card, capidrv_plci *plcip)
383 for (pp = &card->plci_list; *pp; pp = &(*pp)->next) {
386 card->bchans[plcip->chan].plcip = NULL;
387 card->bchans[plcip->chan].disconnecting = 0;
388 card->bchans[plcip->chan].incoming = 0;
393 printk(KERN_ERR "capidrv-%d: free_plci %p (0x%x) not found, Huh?\n",
394 card->contrnr, plcip, plcip->plci);
397 /* -------- ncci management ------------------------------------------ */
399 static inline capidrv_ncci *new_ncci(capidrv_contr *card,
405 nccip = kzalloc(sizeof(capidrv_ncci), GFP_ATOMIC);
411 nccip->state = ST_NCCI_NONE;
412 nccip->plcip = plcip;
413 nccip->chan = plcip->chan;
414 nccip->datahandle = 0;
416 nccip->next = plcip->ncci_list;
417 plcip->ncci_list = nccip;
419 card->bchans[plcip->chan].nccip = nccip;
424 static inline capidrv_ncci *find_ncci(capidrv_contr *card, u32 ncci)
429 if ((plcip = find_plci_by_ncci(card, ncci)) == NULL)
432 for (p = plcip->ncci_list; p; p = p->next)
438 static inline capidrv_ncci *find_ncci_by_msgid(capidrv_contr *card,
444 if ((plcip = find_plci_by_ncci(card, ncci)) == NULL)
447 for (p = plcip->ncci_list; p; p = p->next)
448 if (p->msgid == msgid)
453 static void free_ncci(capidrv_contr *card, struct capidrv_ncci *nccip)
455 struct capidrv_ncci **pp;
457 for (pp = &(nccip->plcip->ncci_list); *pp; pp = &(*pp)->next) {
463 card->bchans[nccip->chan].nccip = NULL;
467 static int capidrv_add_ack(struct capidrv_ncci *nccip,
468 u16 datahandle, int len)
470 struct ncci_datahandle_queue *n, **pp;
472 n = (struct ncci_datahandle_queue *)
473 kmalloc(sizeof(struct ncci_datahandle_queue), GFP_ATOMIC);
475 printk(KERN_ERR "capidrv: kmalloc ncci_datahandle failed\n");
479 n->datahandle = datahandle;
481 for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next);
486 static int capidrv_del_ack(struct capidrv_ncci *nccip, u16 datahandle)
488 struct ncci_datahandle_queue **pp, *p;
491 for (pp = &nccip->ackqueue; *pp; pp = &(*pp)->next) {
492 if ((*pp)->datahandle == datahandle) {
503 /* -------- convert and send capi message ---------------------------- */
505 static void send_message(capidrv_contr *card, _cmsg *cmsg)
510 capi_cmsg2message(cmsg, cmsg->buf);
511 len = CAPIMSG_LEN(cmsg->buf);
512 skb = alloc_skb(len, GFP_ATOMIC);
514 printk(KERN_ERR "capidrv::send_message: can't allocate mem\n");
517 memcpy(skb_put(skb, len), cmsg->buf, len);
518 if (capi20_put_message(&global.ap, skb) != CAPI_NOERROR)
522 /* -------- state machine -------------------------------------------- */
524 struct listenstatechange {
530 static struct listenstatechange listentable[] =
532 {ST_LISTEN_NONE, ST_LISTEN_WAIT_CONF, EV_LISTEN_REQ},
533 {ST_LISTEN_ACTIVE, ST_LISTEN_ACTIVE_WAIT_CONF, EV_LISTEN_REQ},
534 {ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_ERROR},
535 {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_ERROR},
536 {ST_LISTEN_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY},
537 {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_NONE, EV_LISTEN_CONF_EMPTY},
538 {ST_LISTEN_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK},
539 {ST_LISTEN_ACTIVE_WAIT_CONF, ST_LISTEN_ACTIVE, EV_LISTEN_CONF_OK},
543 static void listen_change_state(capidrv_contr *card, int event)
545 struct listenstatechange *p = listentable;
547 if (card->state == p->actstate && p->event == event) {
549 printk(KERN_DEBUG "capidrv-%d: listen_change_state %d -> %d\n",
550 card->contrnr, card->state, p->nextstate);
551 card->state = p->nextstate;
556 printk(KERN_ERR "capidrv-%d: listen_change_state state=%d event=%d ????\n",
557 card->contrnr, card->state, event);
561 /* ------------------------------------------------------------------ */
563 static void p0(capidrv_contr *card, capidrv_plci *plci)
567 card->bchans[plci->chan].contr = NULL;
568 cmd.command = ISDN_STAT_DHUP;
569 cmd.driver = card->myid;
570 cmd.arg = plci->chan;
571 card->interface.statcallb(&cmd);
572 free_plci(card, plci);
575 /* ------------------------------------------------------------------ */
577 struct plcistatechange {
581 void (*changefunc)(capidrv_contr *card, capidrv_plci *plci);
584 static struct plcistatechange plcitable[] =
587 {ST_PLCI_NONE, ST_PLCI_OUTGOING, EV_PLCI_CONNECT_REQ, NULL},
588 {ST_PLCI_NONE, ST_PLCI_ALLOCATED, EV_PLCI_FACILITY_IND_UP, NULL},
589 {ST_PLCI_NONE, ST_PLCI_INCOMING, EV_PLCI_CONNECT_IND, NULL},
590 {ST_PLCI_NONE, ST_PLCI_RESUMEING, EV_PLCI_RESUME_REQ, NULL},
592 {ST_PLCI_OUTGOING, ST_PLCI_NONE, EV_PLCI_CONNECT_CONF_ERROR, p0},
593 {ST_PLCI_OUTGOING, ST_PLCI_ALLOCATED, EV_PLCI_CONNECT_CONF_OK, NULL},
595 {ST_PLCI_ALLOCATED, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, NULL},
596 {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
597 {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
598 {ST_PLCI_ALLOCATED, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
600 {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
601 {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
602 {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
603 {ST_PLCI_ACTIVE, ST_PLCI_HELD, EV_PLCI_HOLD_IND, NULL},
604 {ST_PLCI_ACTIVE, ST_PLCI_DISCONNECTING, EV_PLCI_SUSPEND_IND, NULL},
606 {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, NULL},
607 {ST_PLCI_INCOMING, ST_PLCI_FACILITY_IND, EV_PLCI_FACILITY_IND_UP, NULL},
608 {ST_PLCI_INCOMING, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_RESP, NULL},
609 {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
610 {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
611 {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
612 {ST_PLCI_INCOMING, ST_PLCI_DISCONNECTING, EV_PLCI_CD_IND, NULL},
614 {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_CONNECT_REJECT, NULL},
615 {ST_PLCI_FACILITY_IND, ST_PLCI_ACCEPTING, EV_PLCI_CONNECT_ACTIVE_IND, NULL},
616 {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
617 {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
618 {ST_PLCI_FACILITY_IND, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
620 {ST_PLCI_ACCEPTING, ST_PLCI_ACTIVE, EV_PLCI_CONNECT_ACTIVE_IND, NULL},
621 {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_DISCONNECT_REQ, NULL},
622 {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTING, EV_PLCI_FACILITY_IND_DOWN, NULL},
623 {ST_PLCI_ACCEPTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
625 {ST_PLCI_DISCONNECTING, ST_PLCI_DISCONNECTED, EV_PLCI_DISCONNECT_IND, NULL},
627 {ST_PLCI_DISCONNECTED, ST_PLCI_NONE, EV_PLCI_DISCONNECT_RESP, p0},
629 {ST_PLCI_RESUMEING, ST_PLCI_NONE, EV_PLCI_RESUME_CONF_ERROR, p0},
630 {ST_PLCI_RESUMEING, ST_PLCI_RESUME, EV_PLCI_RESUME_CONF_OK, NULL},
632 {ST_PLCI_RESUME, ST_PLCI_ACTIVE, EV_PLCI_RESUME_IND, NULL},
634 {ST_PLCI_HELD, ST_PLCI_ACTIVE, EV_PLCI_RETRIEVE_IND, NULL},
638 static void plci_change_state(capidrv_contr *card, capidrv_plci *plci, int event)
640 struct plcistatechange *p = plcitable;
642 if (plci->state == p->actstate && p->event == event) {
644 printk(KERN_DEBUG "capidrv-%d: plci_change_state:0x%x %d -> %d\n",
645 card->contrnr, plci->plci, plci->state, p->nextstate);
646 plci->state = p->nextstate;
648 p->changefunc(card, plci);
653 printk(KERN_ERR "capidrv-%d: plci_change_state:0x%x state=%d event=%d ????\n",
654 card->contrnr, plci->plci, plci->state, event);
657 /* ------------------------------------------------------------------ */
661 static void n0(capidrv_contr *card, capidrv_ncci *ncci)
665 capi_fill_DISCONNECT_REQ(&cmsg,
669 NULL, /* BChannelinformation */
670 NULL, /* Keypadfacility */
671 NULL, /* Useruserdata */ /* $$$$ */
672 NULL /* Facilitydataarray */
674 plci_change_state(card, ncci->plcip, EV_PLCI_DISCONNECT_REQ);
675 send_message(card, &cmsg);
677 cmd.command = ISDN_STAT_BHUP;
678 cmd.driver = card->myid;
679 cmd.arg = ncci->chan;
680 card->interface.statcallb(&cmd);
681 free_ncci(card, ncci);
684 /* ------------------------------------------------------------------ */
686 struct nccistatechange {
690 void (*changefunc)(capidrv_contr *card, capidrv_ncci *ncci);
693 static struct nccistatechange nccitable[] =
696 {ST_NCCI_NONE, ST_NCCI_OUTGOING, EV_NCCI_CONNECT_B3_REQ, NULL},
697 {ST_NCCI_NONE, ST_NCCI_INCOMING, EV_NCCI_CONNECT_B3_IND, NULL},
699 {ST_NCCI_OUTGOING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_CONF_OK, NULL},
700 {ST_NCCI_OUTGOING, ST_NCCI_NONE, EV_NCCI_CONNECT_B3_CONF_ERROR, n0},
702 {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_CONNECT_B3_REJECT, NULL},
703 {ST_NCCI_INCOMING, ST_NCCI_ALLOCATED, EV_NCCI_CONNECT_B3_RESP, NULL},
704 {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
705 {ST_NCCI_INCOMING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
707 {ST_NCCI_ALLOCATED, ST_NCCI_ACTIVE, EV_NCCI_CONNECT_B3_ACTIVE_IND, NULL},
708 {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
709 {ST_NCCI_ALLOCATED, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
711 {ST_NCCI_ACTIVE, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, NULL},
712 {ST_NCCI_ACTIVE, ST_NCCI_RESETING, EV_NCCI_RESET_B3_REQ, NULL},
713 {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
714 {ST_NCCI_ACTIVE, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
716 {ST_NCCI_RESETING, ST_NCCI_ACTIVE, EV_NCCI_RESET_B3_IND, NULL},
717 {ST_NCCI_RESETING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
718 {ST_NCCI_RESETING, ST_NCCI_DISCONNECTING, EV_NCCI_DISCONNECT_B3_REQ, NULL},
720 {ST_NCCI_DISCONNECTING, ST_NCCI_DISCONNECTED, EV_NCCI_DISCONNECT_B3_IND, NULL},
721 {ST_NCCI_DISCONNECTING, ST_NCCI_PREVIOUS, EV_NCCI_DISCONNECT_B3_CONF_ERROR, NULL},
723 {ST_NCCI_DISCONNECTED, ST_NCCI_NONE, EV_NCCI_DISCONNECT_B3_RESP, n0},
727 static void ncci_change_state(capidrv_contr *card, capidrv_ncci *ncci, int event)
729 struct nccistatechange *p = nccitable;
731 if (ncci->state == p->actstate && p->event == event) {
733 printk(KERN_DEBUG "capidrv-%d: ncci_change_state:0x%x %d -> %d\n",
734 card->contrnr, ncci->ncci, ncci->state, p->nextstate);
735 if (p->nextstate == ST_NCCI_PREVIOUS) {
736 ncci->state = ncci->oldstate;
737 ncci->oldstate = p->actstate;
739 ncci->oldstate = p->actstate;
740 ncci->state = p->nextstate;
743 p->changefunc(card, ncci);
748 printk(KERN_ERR "capidrv-%d: ncci_change_state:0x%x state=%d event=%d ????\n",
749 card->contrnr, ncci->ncci, ncci->state, event);
752 /* ------------------------------------------------------------------- */
754 static inline int new_bchan(capidrv_contr *card)
757 for (i = 0; i < card->nbchan; i++) {
758 if (card->bchans[i].plcip == NULL) {
759 card->bchans[i].disconnecting = 0;
766 /* ------------------------------------------------------------------- */
768 static void handle_controller(_cmsg *cmsg)
770 capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
773 printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n",
774 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
775 cmsg->adr.adrController & 0x7f);
778 switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) {
780 case CAPI_LISTEN_CONF: /* Controller */
782 printk(KERN_DEBUG "capidrv-%d: listenconf Info=0x%4x (%s) cipmask=0x%x\n",
783 card->contrnr, cmsg->Info, capi_info2str(cmsg->Info), card->cipmask);
785 listen_change_state(card, EV_LISTEN_CONF_ERROR);
786 } else if (card->cipmask == 0) {
787 listen_change_state(card, EV_LISTEN_CONF_EMPTY);
789 listen_change_state(card, EV_LISTEN_CONF_OK);
793 case CAPI_MANUFACTURER_IND: /* Controller */
794 if (cmsg->ManuID == 0x214D5641
796 && cmsg->Function == 1) {
797 u8 *data = cmsg->ManuData + 3;
798 u16 len = cmsg->ManuData[0];
802 len = (cmsg->ManuData[1] | (cmsg->ManuData[2] << 8));
806 layer = ((*(data - 1)) << 8) | *(data - 2);
808 direction = (layer & 0x200) ? 0 : 1;
809 else direction = (layer & 0x800) ? 0 : 1;
810 if (layer & 0x0C00) {
811 if ((layer & 0xff) == 0x80) {
812 handle_dtrace_data(card, direction, 1, data, len);
815 } else if ((layer & 0xff) < 0x80) {
816 handle_dtrace_data(card, direction, 0, data, len);
819 printk(KERN_INFO "capidrv-%d: %s from controller 0x%x layer 0x%x, ignored\n",
821 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
822 cmsg->adr.adrController, layer);
826 case CAPI_MANUFACTURER_CONF: /* Controller */
827 if (cmsg->ManuID == 0x214D5641) {
829 switch (cmsg->Class) {
831 case 1: s = "unknown class"; break;
832 case 2: s = "unknown function"; break;
833 default: s = "unknown error"; break;
836 printk(KERN_INFO "capidrv-%d: %s from controller 0x%x function %d: %s\n",
838 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
839 cmsg->adr.adrController,
844 case CAPI_FACILITY_IND: /* Controller/plci/ncci */
846 case CAPI_FACILITY_CONF: /* Controller/plci/ncci */
848 case CAPI_INFO_IND: /* Controller/plci */
850 case CAPI_INFO_CONF: /* Controller/plci */
854 printk(KERN_ERR "capidrv-%d: got %s from controller 0x%x ???",
856 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
857 cmsg->adr.adrController);
862 printk(KERN_INFO "capidrv-%d: %s from controller 0x%x ignored\n",
864 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
865 cmsg->adr.adrController);
868 static void handle_incoming_call(capidrv_contr *card, _cmsg *cmsg)
871 capidrv_bchan *bchan;
875 if ((chan = new_bchan(card)) == -1) {
876 printk(KERN_ERR "capidrv-%d: incoming call on not existing bchan ?\n", card->contrnr);
879 bchan = &card->bchans[chan];
880 if ((plcip = new_plci(card, chan)) == NULL) {
881 printk(KERN_ERR "capidrv-%d: incoming call: no memory, sorry.\n", card->contrnr);
885 plcip->plci = cmsg->adr.adrPLCI;
886 plci_change_state(card, plcip, EV_PLCI_CONNECT_IND);
888 cmd.command = ISDN_STAT_ICALL;
889 cmd.driver = card->myid;
891 memset(&cmd.parm.setup, 0, sizeof(cmd.parm.setup));
892 strncpy(cmd.parm.setup.phone,
893 cmsg->CallingPartyNumber + 3,
894 cmsg->CallingPartyNumber[0] - 2);
895 strncpy(cmd.parm.setup.eazmsn,
896 cmsg->CalledPartyNumber + 2,
897 cmsg->CalledPartyNumber[0] - 1);
898 cmd.parm.setup.si1 = cip2si1(cmsg->CIPValue);
899 cmd.parm.setup.si2 = cip2si2(cmsg->CIPValue);
900 cmd.parm.setup.plan = cmsg->CallingPartyNumber[1];
901 cmd.parm.setup.screen = cmsg->CallingPartyNumber[2];
903 printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s\n",
905 cmd.parm.setup.phone,
908 cmd.parm.setup.eazmsn);
910 if (cmd.parm.setup.si1 == 1 && cmd.parm.setup.si2 != 0) {
911 printk(KERN_INFO "capidrv-%d: patching si2=%d to 0 for VBOX\n",
914 cmd.parm.setup.si2 = 0;
917 switch (card->interface.statcallb(&cmd)) {
920 /* No device matching this call.
921 * and isdn_common.c has send a HANGUP command
922 * which is ignored in state ST_PLCI_INCOMING,
923 * so we send RESP to ignore the call
925 capi_cmsg_answer(cmsg);
926 cmsg->Reject = 1; /* ignore */
927 plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
928 send_message(card, cmsg);
929 printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s ignored\n",
931 cmd.parm.setup.phone,
934 cmd.parm.setup.eazmsn);
937 /* At least one device matching this call (RING on ttyI)
938 * HL-driver may send ALERTING on the D-channel in this
940 * really means: RING on ttyI or a net interface
941 * accepted this call already.
943 * If the call was accepted, state has already changed,
944 * and CONNECT_RESP already sent.
946 if (plcip->state == ST_PLCI_INCOMING) {
947 printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s tty alerting\n",
949 cmd.parm.setup.phone,
952 cmd.parm.setup.eazmsn);
953 capi_fill_ALERT_REQ(cmsg,
956 plcip->plci, /* adr */
957 NULL,/* BChannelinformation */
958 NULL,/* Keypadfacility */
959 NULL,/* Useruserdata */
960 NULL /* Facilitydataarray */
962 plcip->msgid = cmsg->Messagenumber;
963 send_message(card, cmsg);
965 printk(KERN_INFO "capidrv-%d: incoming call %s,%d,%d,%s on netdev\n",
967 cmd.parm.setup.phone,
970 cmd.parm.setup.eazmsn);
974 case 2: /* Call will be rejected. */
975 capi_cmsg_answer(cmsg);
976 cmsg->Reject = 2; /* reject call, normal call clearing */
977 plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
978 send_message(card, cmsg);
982 /* An error happened. (Invalid parameters for example.) */
983 capi_cmsg_answer(cmsg);
984 cmsg->Reject = 8; /* reject call,
985 destination out of order */
986 plci_change_state(card, plcip, EV_PLCI_CONNECT_REJECT);
987 send_message(card, cmsg);
993 static void handle_plci(_cmsg *cmsg)
995 capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
1001 printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n",
1002 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
1003 cmsg->adr.adrController & 0x7f);
1006 switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) {
1008 case CAPI_DISCONNECT_IND: /* plci */
1010 printk(KERN_INFO "capidrv-%d: %s reason 0x%x (%s) for plci 0x%x\n",
1012 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
1013 cmsg->Reason, capi_info2str(cmsg->Reason), cmsg->adr.adrPLCI);
1015 if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI))) {
1016 capi_cmsg_answer(cmsg);
1017 send_message(card, cmsg);
1020 card->bchans[plcip->chan].disconnecting = 1;
1021 plci_change_state(card, plcip, EV_PLCI_DISCONNECT_IND);
1022 capi_cmsg_answer(cmsg);
1023 plci_change_state(card, plcip, EV_PLCI_DISCONNECT_RESP);
1024 send_message(card, cmsg);
1027 case CAPI_DISCONNECT_CONF: /* plci */
1029 printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n",
1031 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
1032 cmsg->Info, capi_info2str(cmsg->Info),
1035 if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI)))
1038 card->bchans[plcip->chan].disconnecting = 1;
1041 case CAPI_ALERT_CONF: /* plci */
1043 printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n",
1045 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
1046 cmsg->Info, capi_info2str(cmsg->Info),
1051 case CAPI_CONNECT_IND: /* plci */
1052 handle_incoming_call(card, cmsg);
1055 case CAPI_CONNECT_CONF: /* plci */
1057 printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for plci 0x%x\n",
1059 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
1060 cmsg->Info, capi_info2str(cmsg->Info),
1063 if (!(plcip = find_plci_by_msgid(card, cmsg->Messagenumber)))
1066 plcip->plci = cmsg->adr.adrPLCI;
1068 plci_change_state(card, plcip, EV_PLCI_CONNECT_CONF_ERROR);
1070 plci_change_state(card, plcip, EV_PLCI_CONNECT_CONF_OK);
1074 case CAPI_CONNECT_ACTIVE_IND: /* plci */
1076 if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI)))
1079 if (card->bchans[plcip->chan].incoming) {
1080 capi_cmsg_answer(cmsg);
1081 plci_change_state(card, plcip, EV_PLCI_CONNECT_ACTIVE_IND);
1082 send_message(card, cmsg);
1084 capidrv_ncci *nccip;
1085 capi_cmsg_answer(cmsg);
1086 send_message(card, cmsg);
1088 nccip = new_ncci(card, plcip, cmsg->adr.adrPLCI);
1091 printk(KERN_ERR "capidrv-%d: no mem for ncci, sorry\n", card->contrnr);
1094 capi_fill_CONNECT_B3_REQ(cmsg,
1097 plcip->plci, /* adr */
1100 nccip->msgid = cmsg->Messagenumber;
1101 plci_change_state(card, plcip,
1102 EV_PLCI_CONNECT_ACTIVE_IND);
1103 ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_REQ);
1104 send_message(card, cmsg);
1105 cmd.command = ISDN_STAT_DCONN;
1106 cmd.driver = card->myid;
1107 cmd.arg = plcip->chan;
1108 card->interface.statcallb(&cmd);
1112 case CAPI_INFO_IND: /* Controller/plci */
1114 if (!(plcip = find_plci_by_plci(card, cmsg->adr.adrPLCI)))
1117 if (cmsg->InfoNumber == 0x4000) {
1118 if (cmsg->InfoElement[0] == 4) {
1119 cmd.command = ISDN_STAT_CINF;
1120 cmd.driver = card->myid;
1121 cmd.arg = plcip->chan;
1122 sprintf(cmd.parm.num, "%lu",
1124 ((u32) cmsg->InfoElement[1]
1125 | ((u32) (cmsg->InfoElement[2]) << 8)
1126 | ((u32) (cmsg->InfoElement[3]) << 16)
1127 | ((u32) (cmsg->InfoElement[4]) << 24)));
1128 card->interface.statcallb(&cmd);
1132 cdb = capi_cmsg2str(cmsg);
1134 printk(KERN_WARNING "capidrv-%d: %s\n",
1135 card->contrnr, cdb->buf);
1138 printk(KERN_WARNING "capidrv-%d: CAPI_INFO_IND InfoNumber %x not handled\n",
1139 card->contrnr, cmsg->InfoNumber);
1143 case CAPI_CONNECT_ACTIVE_CONF: /* plci */
1145 case CAPI_SELECT_B_PROTOCOL_CONF: /* plci */
1147 case CAPI_FACILITY_IND: /* Controller/plci/ncci */
1149 case CAPI_FACILITY_CONF: /* Controller/plci/ncci */
1152 case CAPI_INFO_CONF: /* Controller/plci */
1156 printk(KERN_ERR "capidrv-%d: got %s for plci 0x%x ???",
1158 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
1163 printk(KERN_INFO "capidrv-%d: %s for plci 0x%x ignored\n",
1165 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
1169 printk(KERN_ERR "capidrv-%d: %s: plci 0x%x not found\n",
1171 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
1176 static void handle_ncci(_cmsg *cmsg)
1178 capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
1179 capidrv_plci *plcip;
1180 capidrv_ncci *nccip;
1185 printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n",
1186 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
1187 cmsg->adr.adrController & 0x7f);
1190 switch (CAPICMD(cmsg->Command, cmsg->Subcommand)) {
1192 case CAPI_CONNECT_B3_ACTIVE_IND: /* ncci */
1193 if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
1196 capi_cmsg_answer(cmsg);
1197 ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_ACTIVE_IND);
1198 send_message(card, cmsg);
1200 cmd.command = ISDN_STAT_BCONN;
1201 cmd.driver = card->myid;
1202 cmd.arg = nccip->chan;
1203 card->interface.statcallb(&cmd);
1205 printk(KERN_INFO "capidrv-%d: chan %d up with ncci 0x%x\n",
1206 card->contrnr, nccip->chan, nccip->ncci);
1209 case CAPI_CONNECT_B3_ACTIVE_CONF: /* ncci */
1212 case CAPI_CONNECT_B3_IND: /* ncci */
1214 plcip = find_plci_by_ncci(card, cmsg->adr.adrNCCI);
1216 nccip = new_ncci(card, plcip, cmsg->adr.adrNCCI);
1218 ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_IND);
1219 capi_fill_CONNECT_B3_RESP(cmsg,
1222 nccip->ncci, /* adr */
1226 ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_RESP);
1227 send_message(card, cmsg);
1230 printk(KERN_ERR "capidrv-%d: no mem for ncci, sorry\n", card->contrnr);
1232 printk(KERN_ERR "capidrv-%d: %s: plci for ncci 0x%x not found\n",
1234 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
1237 capi_fill_CONNECT_B3_RESP(cmsg,
1244 send_message(card, cmsg);
1247 case CAPI_CONNECT_B3_CONF: /* ncci */
1249 if (!(nccip = find_ncci_by_msgid(card,
1251 cmsg->Messagenumber)))
1254 nccip->ncci = cmsg->adr.adrNCCI;
1256 printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for ncci 0x%x\n",
1258 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
1259 cmsg->Info, capi_info2str(cmsg->Info),
1264 ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_CONF_ERROR);
1266 ncci_change_state(card, nccip, EV_NCCI_CONNECT_B3_CONF_OK);
1269 case CAPI_CONNECT_B3_T90_ACTIVE_IND: /* ncci */
1270 capi_cmsg_answer(cmsg);
1271 send_message(card, cmsg);
1274 case CAPI_DATA_B3_IND: /* ncci */
1275 /* handled in handle_data() */
1278 case CAPI_DATA_B3_CONF: /* ncci */
1280 printk(KERN_WARNING "CAPI_DATA_B3_CONF: Info %x - %s\n",
1281 cmsg->Info, capi_info2str(cmsg->Info));
1283 if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
1286 len = capidrv_del_ack(nccip, cmsg->DataHandle);
1289 cmd.command = ISDN_STAT_BSENT;
1290 cmd.driver = card->myid;
1291 cmd.arg = nccip->chan;
1292 cmd.parm.length = len;
1293 card->interface.statcallb(&cmd);
1296 case CAPI_DISCONNECT_B3_IND: /* ncci */
1297 if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
1300 card->bchans[nccip->chan].disconnecting = 1;
1301 ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_IND);
1302 capi_cmsg_answer(cmsg);
1303 ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_RESP);
1304 send_message(card, cmsg);
1307 case CAPI_DISCONNECT_B3_CONF: /* ncci */
1308 if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
1311 printk(KERN_INFO "capidrv-%d: %s info 0x%x (%s) for ncci 0x%x\n",
1313 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
1314 cmsg->Info, capi_info2str(cmsg->Info),
1316 ncci_change_state(card, nccip, EV_NCCI_DISCONNECT_B3_CONF_ERROR);
1320 case CAPI_RESET_B3_IND: /* ncci */
1321 if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI)))
1323 ncci_change_state(card, nccip, EV_NCCI_RESET_B3_IND);
1324 capi_cmsg_answer(cmsg);
1325 send_message(card, cmsg);
1328 case CAPI_RESET_B3_CONF: /* ncci */
1329 goto ignored; /* $$$$ */
1331 case CAPI_FACILITY_IND: /* Controller/plci/ncci */
1333 case CAPI_FACILITY_CONF: /* Controller/plci/ncci */
1337 printk(KERN_ERR "capidrv-%d: got %s for ncci 0x%x ???",
1339 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
1344 printk(KERN_INFO "capidrv-%d: %s for ncci 0x%x ignored\n",
1346 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
1350 printk(KERN_ERR "capidrv-%d: %s: ncci 0x%x not found\n",
1352 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
1357 static void handle_data(_cmsg *cmsg, struct sk_buff *skb)
1359 capidrv_contr *card = findcontrbynumber(cmsg->adr.adrController & 0x7f);
1360 capidrv_ncci *nccip;
1363 printk(KERN_ERR "capidrv: %s from unknown controller 0x%x\n",
1364 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
1365 cmsg->adr.adrController & 0x7f);
1369 if (!(nccip = find_ncci(card, cmsg->adr.adrNCCI))) {
1370 printk(KERN_ERR "capidrv-%d: %s: ncci 0x%x not found\n",
1372 capi_cmd2str(cmsg->Command, cmsg->Subcommand),
1377 (void) skb_pull(skb, CAPIMSG_LEN(skb->data));
1378 card->interface.rcvcallb_skb(card->myid, nccip->chan, skb);
1379 capi_cmsg_answer(cmsg);
1380 send_message(card, cmsg);
1383 static _cmsg s_cmsg;
1385 static void capidrv_recv_message(struct capi20_appl *ap, struct sk_buff *skb)
1387 capi_message2cmsg(&s_cmsg, skb->data);
1388 if (debugmode > 3) {
1389 _cdebbuf *cdb = capi_cmsg2str(&s_cmsg);
1392 printk(KERN_DEBUG "%s: applid=%d %s\n", __func__,
1393 ap->applid, cdb->buf);
1396 printk(KERN_DEBUG "%s: applid=%d %s not traced\n",
1397 __func__, ap->applid,
1398 capi_cmd2str(s_cmsg.Command, s_cmsg.Subcommand));
1400 if (s_cmsg.Command == CAPI_DATA_B3
1401 && s_cmsg.Subcommand == CAPI_IND) {
1402 handle_data(&s_cmsg, skb);
1405 if ((s_cmsg.adr.adrController & 0xffffff00) == 0)
1406 handle_controller(&s_cmsg);
1407 else if ((s_cmsg.adr.adrPLCI & 0xffff0000) == 0)
1408 handle_plci(&s_cmsg);
1410 handle_ncci(&s_cmsg);
1412 * data of skb used in s_cmsg,
1413 * free data when s_cmsg is not used again
1414 * thanks to Lars Heete <hel@admin.de>
1419 /* ------------------------------------------------------------------- */
1421 #define PUTBYTE_TO_STATUS(card, byte) \
1423 *(card)->q931_write++ = (byte); \
1424 if ((card)->q931_write > (card)->q931_end) \
1425 (card)->q931_write = (card)->q931_buf; \
1428 static void handle_dtrace_data(capidrv_contr *card,
1429 int send, int level2, u8 *data, u16 len)
1435 printk(KERN_DEBUG "capidrv-%d: avmb1_q931_data: len == %d\n",
1436 card->contrnr, len);
1441 PUTBYTE_TO_STATUS(card, 'D');
1442 PUTBYTE_TO_STATUS(card, '2');
1443 PUTBYTE_TO_STATUS(card, send ? '>' : '<');
1444 PUTBYTE_TO_STATUS(card, ':');
1446 PUTBYTE_TO_STATUS(card, 'D');
1447 PUTBYTE_TO_STATUS(card, '3');
1448 PUTBYTE_TO_STATUS(card, send ? '>' : '<');
1449 PUTBYTE_TO_STATUS(card, ':');
1452 for (p = data, end = data + len; p < end; p++) {
1453 PUTBYTE_TO_STATUS(card, ' ');
1454 PUTBYTE_TO_STATUS(card, hex_asc_hi(*p));
1455 PUTBYTE_TO_STATUS(card, hex_asc_lo(*p));
1457 PUTBYTE_TO_STATUS(card, '\n');
1459 cmd.command = ISDN_STAT_STAVAIL;
1460 cmd.driver = card->myid;
1461 cmd.arg = len * 3 + 5;
1462 card->interface.statcallb(&cmd);
1465 /* ------------------------------------------------------------------- */
1467 static _cmsg cmdcmsg;
1469 static int capidrv_ioctl(isdn_ctrl *c, capidrv_contr *card)
1473 debugmode = (int)(*((unsigned int *)c->parm.num));
1474 printk(KERN_DEBUG "capidrv-%d: debugmode=%d\n",
1475 card->contrnr, debugmode);
1478 printk(KERN_DEBUG "capidrv-%d: capidrv_ioctl(%ld) called ??\n",
1479 card->contrnr, c->arg);
1486 * Handle leased lines (CAPI-Bundling)
1489 struct internal_bchannelinfo {
1490 unsigned short channelalloc;
1491 unsigned short operation;
1492 unsigned char cmask[31];
1495 static int decodeFVteln(char *teln, unsigned long *bmaskp, int *activep)
1497 unsigned long bmask = 0;
1502 if (strncmp(teln, "FV:", 3) != 0)
1505 while (*s && *s == ' ') s++;
1507 if (*s == 'p' || *s == 'P') {
1511 if (*s == 'a' || *s == 'A') {
1520 digit1 = simple_strtoul(s, &endp, 10);
1525 if (digit1 <= 0 || digit1 > 30) return -4;
1526 if (*s == 0 || *s == ',' || *s == ' ') {
1527 bmask |= (1 << digit1);
1532 if (*s != '-') return -5;
1535 digit2 = simple_strtoul(s, &endp, 10);
1540 if (digit2 <= 0 || digit2 > 30) return -4;
1541 if (*s == 0 || *s == ',' || *s == ' ') {
1542 if (digit1 > digit2)
1543 for (i = digit2; i <= digit1; i++)
1546 for (i = digit1; i <= digit2; i++)
1548 digit1 = digit2 = 0;
1554 if (activep) *activep = active;
1555 if (bmaskp) *bmaskp = bmask;
1559 static int FVteln2capi20(char *teln, u8 AdditionalInfo[1 + 2 + 2 + 31])
1561 unsigned long bmask;
1565 rc = decodeFVteln(teln, &bmask, &active);
1568 AdditionalInfo[0] = 2 + 2 + 31;
1569 /* Channel: 3 => use channel allocation */
1570 AdditionalInfo[1] = 3; AdditionalInfo[2] = 0;
1571 /* Operation: 0 => DTE mode, 1 => DCE mode */
1573 AdditionalInfo[3] = 0; AdditionalInfo[4] = 0;
1575 AdditionalInfo[3] = 1; AdditionalInfo[4] = 0;
1577 /* Channel mask array */
1578 AdditionalInfo[5] = 0; /* no D-Channel */
1579 for (i = 1; i <= 30; i++)
1580 AdditionalInfo[5 + i] = (bmask & (1 << i)) ? 0xff : 0;
1584 static int capidrv_command(isdn_ctrl *c, capidrv_contr *card)
1587 struct capidrv_bchan *bchan;
1588 struct capidrv_plci *plcip;
1589 u8 AdditionalInfo[1 + 2 + 2 + 31];
1590 int rc, isleasedline = 0;
1592 if (c->command == ISDN_CMD_IOCTL)
1593 return capidrv_ioctl(c, card);
1595 switch (c->command) {
1596 case ISDN_CMD_DIAL:{
1597 u8 calling[ISDN_MSNLEN + 3];
1598 u8 called[ISDN_MSNLEN + 2];
1601 printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_DIAL(ch=%ld,\"%s,%d,%d,%s\")\n",
1604 c->parm.setup.phone,
1607 c->parm.setup.eazmsn);
1609 bchan = &card->bchans[c->arg % card->nbchan];
1612 printk(KERN_ERR "capidrv-%d: dail ch=%ld,\"%s,%d,%d,%s\" in use (plci=0x%x)\n",
1615 c->parm.setup.phone,
1618 c->parm.setup.eazmsn,
1619 bchan->plcip->plci);
1622 bchan->si1 = c->parm.setup.si1;
1623 bchan->si2 = c->parm.setup.si2;
1625 strncpy(bchan->num, c->parm.setup.phone, sizeof(bchan->num));
1626 strncpy(bchan->mynum, c->parm.setup.eazmsn, sizeof(bchan->mynum));
1627 rc = FVteln2capi20(bchan->num, AdditionalInfo);
1628 isleasedline = (rc == 0);
1630 printk(KERN_ERR "capidrv-%d: WARNING: invalid leased linedefinition \"%s\"\n", card->contrnr, bchan->num);
1636 printk(KERN_DEBUG "capidrv-%d: connecting leased line\n", card->contrnr);
1638 calling[0] = strlen(bchan->mynum) + 2;
1641 strncpy(calling + 3, bchan->mynum, ISDN_MSNLEN);
1642 called[0] = strlen(bchan->num) + 1;
1644 strncpy(called + 2, bchan->num, ISDN_MSNLEN);
1647 capi_fill_CONNECT_REQ(&cmdcmsg,
1650 card->contrnr, /* adr */
1651 si2cip(bchan->si1, bchan->si2), /* cipvalue */
1652 called, /* CalledPartyNumber */
1653 calling, /* CallingPartyNumber */
1654 NULL, /* CalledPartySubaddress */
1655 NULL, /* CallingPartySubaddress */
1656 b1prot(bchan->l2, bchan->l3), /* B1protocol */
1657 b2prot(bchan->l2, bchan->l3), /* B2protocol */
1658 b3prot(bchan->l2, bchan->l3), /* B3protocol */
1659 b1config(bchan->l2, bchan->l3), /* B1configuration */
1660 NULL, /* B2configuration */
1661 NULL, /* B3configuration */
1665 /* BChannelinformation */
1666 isleasedline ? AdditionalInfo : NULL,
1667 NULL, /* Keypadfacility */
1668 NULL, /* Useruserdata */
1669 NULL /* Facilitydataarray */
1671 if ((plcip = new_plci(card, (c->arg % card->nbchan))) == NULL) {
1672 cmd.command = ISDN_STAT_DHUP;
1673 cmd.driver = card->myid;
1674 cmd.arg = (c->arg % card->nbchan);
1675 card->interface.statcallb(&cmd);
1678 plcip->msgid = cmdcmsg.Messagenumber;
1679 plcip->leasedline = isleasedline;
1680 plci_change_state(card, plcip, EV_PLCI_CONNECT_REQ);
1681 send_message(card, &cmdcmsg);
1685 case ISDN_CMD_ACCEPTD:
1687 bchan = &card->bchans[c->arg % card->nbchan];
1689 printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_ACCEPTD(ch=%ld) l2=%d l3=%d\n",
1691 c->arg, bchan->l2, bchan->l3);
1693 capi_fill_CONNECT_RESP(&cmdcmsg,
1696 bchan->plcip->plci, /* adr */
1698 b1prot(bchan->l2, bchan->l3), /* B1protocol */
1699 b2prot(bchan->l2, bchan->l3), /* B2protocol */
1700 b3prot(bchan->l2, bchan->l3), /* B3protocol */
1701 b1config(bchan->l2, bchan->l3), /* B1configuration */
1702 NULL, /* B2configuration */
1703 NULL, /* B3configuration */
1704 NULL, /* ConnectedNumber */
1705 NULL, /* ConnectedSubaddress */
1707 NULL, /* BChannelinformation */
1708 NULL, /* Keypadfacility */
1709 NULL, /* Useruserdata */
1710 NULL /* Facilitydataarray */
1712 capi_cmsg2message(&cmdcmsg, cmdcmsg.buf);
1713 plci_change_state(card, bchan->plcip, EV_PLCI_CONNECT_RESP);
1714 send_message(card, &cmdcmsg);
1717 case ISDN_CMD_ACCEPTB:
1719 printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_ACCEPTB(ch=%ld)\n",
1724 case ISDN_CMD_HANGUP:
1726 printk(KERN_DEBUG "capidrv-%d: ISDN_CMD_HANGUP(ch=%ld)\n",
1729 bchan = &card->bchans[c->arg % card->nbchan];
1731 if (bchan->disconnecting) {
1733 printk(KERN_DEBUG "capidrv-%d: chan %ld already disconnecting ...\n",
1739 bchan->disconnecting = 1;
1740 capi_fill_DISCONNECT_B3_REQ(&cmdcmsg,
1746 ncci_change_state(card, bchan->nccip, EV_NCCI_DISCONNECT_B3_REQ);
1747 send_message(card, &cmdcmsg);
1749 } else if (bchan->plcip) {
1750 if (bchan->plcip->state == ST_PLCI_INCOMING) {
1752 * just ignore, we a called from
1753 * isdn_status_callback(),
1754 * which will return 0 or 2, this is handled
1755 * by the CONNECT_IND handler
1757 bchan->disconnecting = 1;
1759 } else if (bchan->plcip->plci) {
1760 bchan->disconnecting = 1;
1761 capi_fill_DISCONNECT_REQ(&cmdcmsg,
1765 NULL, /* BChannelinformation */
1766 NULL, /* Keypadfacility */
1767 NULL, /* Useruserdata */
1768 NULL /* Facilitydataarray */
1770 plci_change_state(card, bchan->plcip, EV_PLCI_DISCONNECT_REQ);
1771 send_message(card, &cmdcmsg);
1774 printk(KERN_ERR "capidrv-%d: chan %ld disconnect request while waiting for CONNECT_CONF\n",
1780 printk(KERN_ERR "capidrv-%d: chan %ld disconnect request on free channel\n",
1786 case ISDN_CMD_SETL2:
1788 printk(KERN_DEBUG "capidrv-%d: set L2 on chan %ld to %ld\n",
1790 (c->arg & 0xff), (c->arg >> 8));
1791 bchan = &card->bchans[(c->arg & 0xff) % card->nbchan];
1792 bchan->l2 = (c->arg >> 8);
1795 case ISDN_CMD_SETL3:
1797 printk(KERN_DEBUG "capidrv-%d: set L3 on chan %ld to %ld\n",
1799 (c->arg & 0xff), (c->arg >> 8));
1800 bchan = &card->bchans[(c->arg & 0xff) % card->nbchan];
1801 bchan->l3 = (c->arg >> 8);
1804 case ISDN_CMD_SETEAZ:
1806 printk(KERN_DEBUG "capidrv-%d: set EAZ \"%s\" on chan %ld\n",
1808 c->parm.num, c->arg);
1809 bchan = &card->bchans[c->arg % card->nbchan];
1810 strncpy(bchan->msn, c->parm.num, ISDN_MSNLEN);
1813 case ISDN_CMD_CLREAZ:
1815 printk(KERN_DEBUG "capidrv-%d: clearing EAZ on chan %ld\n",
1816 card->contrnr, c->arg);
1817 bchan = &card->bchans[c->arg % card->nbchan];
1822 printk(KERN_ERR "capidrv-%d: ISDN_CMD_%d, Huh?\n",
1823 card->contrnr, c->command);
1829 static int if_command(isdn_ctrl *c)
1831 capidrv_contr *card = findcontrbydriverid(c->driver);
1834 return capidrv_command(c, card);
1837 "capidrv: if_command %d called with invalid driverId %d!\n",
1838 c->command, c->driver);
1842 static _cmsg sendcmsg;
1844 static int if_sendbuf(int id, int channel, int doack, struct sk_buff *skb)
1846 capidrv_contr *card = findcontrbydriverid(id);
1847 capidrv_bchan *bchan;
1848 capidrv_ncci *nccip;
1856 printk(KERN_ERR "capidrv: if_sendbuf called with invalid driverId %d!\n",
1861 printk(KERN_DEBUG "capidrv-%d: sendbuf len=%d skb=%p doack=%d\n",
1862 card->contrnr, len, skb, doack);
1863 bchan = &card->bchans[channel % card->nbchan];
1864 nccip = bchan->nccip;
1865 if (!nccip || nccip->state != ST_NCCI_ACTIVE) {
1866 printk(KERN_ERR "capidrv-%d: if_sendbuf: %s:%d: chan not up!\n",
1867 card->contrnr, card->name, channel);
1870 datahandle = nccip->datahandle;
1873 * Here we copy pointer skb->data into the 32-bit 'Data' field.
1874 * The 'Data' field is not used in practice in linux kernel
1875 * (neither in 32 or 64 bit), but should have some value,
1876 * since a CAPI message trace will display it.
1878 * The correct value in the 32 bit case is the address of the
1879 * data, in 64 bit it makes no sense, we use 0 there.
1885 data = (unsigned long) skb->data;
1888 capi_fill_DATA_B3_REQ(&sendcmsg, global.ap.applid, card->msgid++,
1889 nccip->ncci, /* adr */
1891 skb->len, /* DataLength */
1892 datahandle, /* DataHandle */
1896 if (capidrv_add_ack(nccip, datahandle, doack ? (int)skb->len : -1) < 0)
1899 capi_cmsg2message(&sendcmsg, sendcmsg.buf);
1900 msglen = CAPIMSG_LEN(sendcmsg.buf);
1901 if (skb_headroom(skb) < msglen) {
1902 struct sk_buff *nskb = skb_realloc_headroom(skb, msglen);
1904 printk(KERN_ERR "capidrv-%d: if_sendbuf: no memory\n",
1906 (void)capidrv_del_ack(nccip, datahandle);
1909 printk(KERN_DEBUG "capidrv-%d: only %d bytes headroom, need %d\n",
1910 card->contrnr, skb_headroom(skb), msglen);
1911 memcpy(skb_push(nskb, msglen), sendcmsg.buf, msglen);
1912 errcode = capi20_put_message(&global.ap, nskb);
1913 if (errcode == CAPI_NOERROR) {
1915 nccip->datahandle++;
1919 printk(KERN_DEBUG "capidrv-%d: sendbuf putmsg ret(%x) - %s\n",
1920 card->contrnr, errcode, capi_info2str(errcode));
1921 (void)capidrv_del_ack(nccip, datahandle);
1922 dev_kfree_skb(nskb);
1923 return errcode == CAPI_SENDQUEUEFULL ? 0 : -1;
1925 memcpy(skb_push(skb, msglen), sendcmsg.buf, msglen);
1926 errcode = capi20_put_message(&global.ap, skb);
1927 if (errcode == CAPI_NOERROR) {
1928 nccip->datahandle++;
1932 printk(KERN_DEBUG "capidrv-%d: sendbuf putmsg ret(%x) - %s\n",
1933 card->contrnr, errcode, capi_info2str(errcode));
1934 skb_pull(skb, msglen);
1935 (void)capidrv_del_ack(nccip, datahandle);
1936 return errcode == CAPI_SENDQUEUEFULL ? 0 : -1;
1940 static int if_readstat(u8 __user *buf, int len, int id, int channel)
1942 capidrv_contr *card = findcontrbydriverid(id);
1947 printk(KERN_ERR "capidrv: if_readstat called with invalid driverId %d!\n",
1952 for (p = buf, count = 0; count < len; p++, count++) {
1953 if (put_user(*card->q931_read++, p))
1955 if (card->q931_read > card->q931_end)
1956 card->q931_read = card->q931_buf;
1962 static void enable_dchannel_trace(capidrv_contr *card)
1964 u8 manufacturer[CAPI_MANUFACTURER_LEN];
1965 capi_version version;
1966 u16 contr = card->contrnr;
1970 errcode = capi20_get_manufacturer(contr, manufacturer);
1971 if (errcode != CAPI_NOERROR) {
1972 printk(KERN_ERR "%s: can't get manufacturer (0x%x)\n",
1973 card->name, errcode);
1976 if (strstr(manufacturer, "AVM") == NULL) {
1977 printk(KERN_ERR "%s: not from AVM, no d-channel trace possible (%s)\n",
1978 card->name, manufacturer);
1981 errcode = capi20_get_version(contr, &version);
1982 if (errcode != CAPI_NOERROR) {
1983 printk(KERN_ERR "%s: can't get version (0x%x)\n",
1984 card->name, errcode);
1987 avmversion[0] = (version.majormanuversion >> 4) & 0x0f;
1988 avmversion[1] = (version.majormanuversion << 4) & 0xf0;
1989 avmversion[1] |= (version.minormanuversion >> 4) & 0x0f;
1990 avmversion[2] |= version.minormanuversion & 0x0f;
1992 if (avmversion[0] > 3 || (avmversion[0] == 3 && avmversion[1] > 5)) {
1993 printk(KERN_INFO "%s: D2 trace enabled\n", card->name);
1994 capi_fill_MANUFACTURER_REQ(&cmdcmsg, global.ap.applid,
1997 0x214D5641, /* ManuID */
2000 (_cstruct)"\004\200\014\000\000");
2002 printk(KERN_INFO "%s: D3 trace enabled\n", card->name);
2003 capi_fill_MANUFACTURER_REQ(&cmdcmsg, global.ap.applid,
2006 0x214D5641, /* ManuID */
2009 (_cstruct)"\004\002\003\000\000");
2011 send_message(card, &cmdcmsg);
2015 static void send_listen(capidrv_contr *card)
2017 capi_fill_LISTEN_REQ(&cmdcmsg, global.ap.applid,
2019 card->contrnr, /* controller */
2020 1 << 6, /* Infomask */
2024 listen_change_state(card, EV_LISTEN_REQ);
2025 send_message(card, &cmdcmsg);
2028 static void listentimerfunc(unsigned long x)
2030 capidrv_contr *card = (capidrv_contr *)x;
2031 if (card->state != ST_LISTEN_NONE && card->state != ST_LISTEN_ACTIVE)
2032 printk(KERN_ERR "%s: controller dead ??\n", card->name);
2034 mod_timer(&card->listentimer, jiffies + 60 * HZ);
2038 static int capidrv_addcontr(u16 contr, struct capi_profile *profp)
2040 capidrv_contr *card;
2041 unsigned long flags;
2046 sprintf(id, "capidrv-%d", contr);
2047 if (!try_module_get(THIS_MODULE)) {
2048 printk(KERN_WARNING "capidrv: (%s) Could not reserve module\n", id);
2051 if (!(card = kzalloc(sizeof(capidrv_contr), GFP_ATOMIC))) {
2053 "capidrv: (%s) Could not allocate contr-struct.\n", id);
2056 card->owner = THIS_MODULE;
2057 init_timer(&card->listentimer);
2058 strcpy(card->name, id);
2059 card->contrnr = contr;
2060 card->nbchan = profp->nbchannel;
2061 card->bchans = kmalloc(sizeof(capidrv_bchan) * card->nbchan, GFP_ATOMIC);
2062 if (!card->bchans) {
2064 "capidrv: (%s) Could not allocate bchan-structs.\n", id);
2065 module_put(card->owner);
2069 card->interface.channels = profp->nbchannel;
2070 card->interface.maxbufsize = 2048;
2071 card->interface.command = if_command;
2072 card->interface.writebuf_skb = if_sendbuf;
2073 card->interface.writecmd = NULL;
2074 card->interface.readstat = if_readstat;
2075 card->interface.features = ISDN_FEATURE_L2_HDLC |
2076 ISDN_FEATURE_L2_TRANS |
2077 ISDN_FEATURE_L3_TRANS |
2078 ISDN_FEATURE_P_UNKNOWN |
2079 ISDN_FEATURE_L2_X75I |
2080 ISDN_FEATURE_L2_X75UI |
2081 ISDN_FEATURE_L2_X75BUI;
2082 if (profp->support1 & (1 << 2))
2083 card->interface.features |= ISDN_FEATURE_L2_V11096 |
2084 ISDN_FEATURE_L2_V11019 |
2085 ISDN_FEATURE_L2_V11038;
2086 if (profp->support1 & (1 << 8))
2087 card->interface.features |= ISDN_FEATURE_L2_MODEM;
2088 card->interface.hl_hdrlen = 22; /* len of DATA_B3_REQ */
2089 strncpy(card->interface.id, id, sizeof(card->interface.id) - 1);
2092 card->q931_read = card->q931_buf;
2093 card->q931_write = card->q931_buf;
2094 card->q931_end = card->q931_buf + sizeof(card->q931_buf) - 1;
2096 if (!register_isdn(&card->interface)) {
2097 printk(KERN_ERR "capidrv: Unable to register contr %s\n", id);
2098 kfree(card->bchans);
2099 module_put(card->owner);
2103 card->myid = card->interface.channels;
2104 memset(card->bchans, 0, sizeof(capidrv_bchan) * card->nbchan);
2105 for (i = 0; i < card->nbchan; i++) {
2106 card->bchans[i].contr = card;
2109 spin_lock_irqsave(&global_lock, flags);
2110 card->next = global.contr_list;
2111 global.contr_list = card;
2113 spin_unlock_irqrestore(&global_lock, flags);
2115 cmd.command = ISDN_STAT_RUN;
2116 cmd.driver = card->myid;
2117 card->interface.statcallb(&cmd);
2119 card->cipmask = 0x1FFF03FF; /* any */
2122 card->listentimer.data = (unsigned long)card;
2123 card->listentimer.function = listentimerfunc;
2125 mod_timer(&card->listentimer, jiffies + 60 * HZ);
2127 printk(KERN_INFO "%s: now up (%d B channels)\n",
2128 card->name, card->nbchan);
2130 enable_dchannel_trace(card);
2135 static int capidrv_delcontr(u16 contr)
2137 capidrv_contr **pp, *card;
2138 unsigned long flags;
2141 spin_lock_irqsave(&global_lock, flags);
2142 for (card = global.contr_list; card; card = card->next) {
2143 if (card->contrnr == contr)
2147 spin_unlock_irqrestore(&global_lock, flags);
2148 printk(KERN_ERR "capidrv: delcontr: no contr %u\n", contr);
2152 /* FIXME: maybe a race condition the card should be removed
2153 * here from global list /kkeil
2155 spin_unlock_irqrestore(&global_lock, flags);
2157 del_timer(&card->listentimer);
2160 printk(KERN_DEBUG "capidrv-%d: id=%d unloading\n",
2161 card->contrnr, card->myid);
2163 cmd.command = ISDN_STAT_STOP;
2164 cmd.driver = card->myid;
2165 card->interface.statcallb(&cmd);
2167 while (card->nbchan) {
2169 cmd.command = ISDN_STAT_DISCH;
2170 cmd.driver = card->myid;
2171 cmd.arg = card->nbchan - 1;
2172 cmd.parm.num[0] = 0;
2174 printk(KERN_DEBUG "capidrv-%d: id=%d disable chan=%ld\n",
2175 card->contrnr, card->myid, cmd.arg);
2176 card->interface.statcallb(&cmd);
2178 if (card->bchans[card->nbchan - 1].nccip)
2179 free_ncci(card, card->bchans[card->nbchan - 1].nccip);
2180 if (card->bchans[card->nbchan - 1].plcip)
2181 free_plci(card, card->bchans[card->nbchan - 1].plcip);
2182 if (card->plci_list)
2183 printk(KERN_ERR "capidrv: bug in free_plci()\n");
2186 kfree(card->bchans);
2187 card->bchans = NULL;
2190 printk(KERN_DEBUG "capidrv-%d: id=%d isdn unload\n",
2191 card->contrnr, card->myid);
2193 cmd.command = ISDN_STAT_UNLOAD;
2194 cmd.driver = card->myid;
2195 card->interface.statcallb(&cmd);
2198 printk(KERN_DEBUG "capidrv-%d: id=%d remove contr from list\n",
2199 card->contrnr, card->myid);
2201 spin_lock_irqsave(&global_lock, flags);
2202 for (pp = &global.contr_list; *pp; pp = &(*pp)->next) {
2210 spin_unlock_irqrestore(&global_lock, flags);
2212 module_put(card->owner);
2213 printk(KERN_INFO "%s: now down.\n", card->name);
2220 lower_callback(struct notifier_block *nb, unsigned long val, void *v)
2222 capi_profile profile;
2223 u32 contr = (long)v;
2227 printk(KERN_INFO "capidrv: controller %hu up\n", contr);
2228 if (capi20_get_profile(contr, &profile) == CAPI_NOERROR)
2229 (void) capidrv_addcontr(contr, &profile);
2232 printk(KERN_INFO "capidrv: controller %hu down\n", contr);
2233 (void) capidrv_delcontr(contr);
2240 * /proc/capi/capidrv:
2241 * nrecvctlpkt nrecvdatapkt nsendctlpkt nsenddatapkt
2243 static int capidrv_proc_show(struct seq_file *m, void *v)
2245 seq_printf(m, "%lu %lu %lu %lu\n",
2246 global.ap.nrecvctlpkt,
2247 global.ap.nrecvdatapkt,
2248 global.ap.nsentctlpkt,
2249 global.ap.nsentdatapkt);
2253 static int capidrv_proc_open(struct inode *inode, struct file *file)
2255 return single_open(file, capidrv_proc_show, NULL);
2258 static const struct file_operations capidrv_proc_fops = {
2259 .owner = THIS_MODULE,
2260 .open = capidrv_proc_open,
2262 .llseek = seq_lseek,
2263 .release = single_release,
2266 static void __init proc_init(void)
2268 proc_create("capi/capidrv", 0, NULL, &capidrv_proc_fops);
2271 static void __exit proc_exit(void)
2273 remove_proc_entry("capi/capidrv", NULL);
2276 static struct notifier_block capictr_nb = {
2277 .notifier_call = lower_callback,
2280 static int __init capidrv_init(void)
2282 capi_profile profile;
2286 global.ap.rparam.level3cnt = -2; /* number of bchannels twice */
2287 global.ap.rparam.datablkcnt = 16;
2288 global.ap.rparam.datablklen = 2048;
2290 global.ap.recv_message = capidrv_recv_message;
2291 errcode = capi20_register(&global.ap);
2296 register_capictr_notifier(&capictr_nb);
2298 errcode = capi20_get_profile(0, &profile);
2299 if (errcode != CAPI_NOERROR) {
2300 unregister_capictr_notifier(&capictr_nb);
2301 capi20_release(&global.ap);
2305 ncontr = profile.ncontroller;
2306 for (contr = 1; contr <= ncontr; contr++) {
2307 errcode = capi20_get_profile(contr, &profile);
2308 if (errcode != CAPI_NOERROR)
2310 (void) capidrv_addcontr(contr, &profile);
2317 static void __exit capidrv_exit(void)
2319 unregister_capictr_notifier(&capictr_nb);
2320 capi20_release(&global.ap);
2325 module_init(capidrv_init);
2326 module_exit(capidrv_exit);