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1da177e4 LT |
1 | /* $Id: icn.c,v 1.65.6.8 2001/09/23 22:24:55 kai Exp $ |
2 | * | |
3 | * ISDN low-level module for the ICN active ISDN-Card. | |
4 | * | |
5 | * Copyright 1994,95,96 by Fritz Elfert (fritz@isdn4linux.de) | |
6 | * | |
7 | * This software may be used and distributed according to the terms | |
8 | * of the GNU General Public License, incorporated herein by reference. | |
9 | * | |
10 | */ | |
11 | ||
12 | #include "icn.h" | |
13 | #include <linux/module.h> | |
14 | #include <linux/init.h> | |
e8edc6e0 | 15 | #include <linux/sched.h> |
1da177e4 LT |
16 | |
17 | static int portbase = ICN_BASEADDR; | |
18 | static unsigned long membase = ICN_MEMADDR; | |
19 | static char *icn_id = "\0"; | |
20 | static char *icn_id2 = "\0"; | |
21 | ||
22 | MODULE_DESCRIPTION("ISDN4Linux: Driver for ICN active ISDN card"); | |
23 | MODULE_AUTHOR("Fritz Elfert"); | |
24 | MODULE_LICENSE("GPL"); | |
25 | module_param(portbase, int, 0); | |
26 | MODULE_PARM_DESC(portbase, "Port address of first card"); | |
27 | module_param(membase, ulong, 0); | |
28 | MODULE_PARM_DESC(membase, "Shared memory address of all cards"); | |
29 | module_param(icn_id, charp, 0); | |
30 | MODULE_PARM_DESC(icn_id, "ID-String of first card"); | |
31 | module_param(icn_id2, charp, 0); | |
32 | MODULE_PARM_DESC(icn_id2, "ID-String of first card, second S0 (4B only)"); | |
33 | ||
34 | /* | |
35 | * Verbose bootcode- and protocol-downloading. | |
36 | */ | |
37 | #undef BOOT_DEBUG | |
38 | ||
39 | /* | |
40 | * Verbose Shmem-Mapping. | |
41 | */ | |
42 | #undef MAP_DEBUG | |
43 | ||
44 | static char | |
45 | *revision = "$Revision: 1.65.6.8 $"; | |
46 | ||
47 | static int icn_addcard(int, char *, char *); | |
48 | ||
49 | /* | |
50 | * Free send-queue completely. | |
51 | * Parameter: | |
52 | * card = pointer to card struct | |
53 | * channel = channel number | |
54 | */ | |
55 | static void | |
56 | icn_free_queue(icn_card * card, int channel) | |
57 | { | |
58 | struct sk_buff_head *queue = &card->spqueue[channel]; | |
59 | struct sk_buff *skb; | |
60 | ||
61 | skb_queue_purge(queue); | |
62 | card->xlen[channel] = 0; | |
63 | card->sndcount[channel] = 0; | |
64 | if ((skb = card->xskb[channel])) { | |
65 | card->xskb[channel] = NULL; | |
66 | dev_kfree_skb(skb); | |
67 | } | |
68 | } | |
69 | ||
70 | /* Put a value into a shift-register, highest bit first. | |
71 | * Parameters: | |
72 | * port = port for output (bit 0 is significant) | |
73 | * val = value to be output | |
74 | * firstbit = Bit-Number of highest bit | |
75 | * bitcount = Number of bits to output | |
76 | */ | |
77 | static inline void | |
78 | icn_shiftout(unsigned short port, | |
79 | unsigned long val, | |
80 | int firstbit, | |
81 | int bitcount) | |
82 | { | |
83 | ||
84 | register u_char s; | |
85 | register u_char c; | |
86 | ||
87 | for (s = firstbit, c = bitcount; c > 0; s--, c--) | |
88 | OUTB_P((u_char) ((val >> s) & 1) ? 0xff : 0, port); | |
89 | } | |
90 | ||
91 | /* | |
92 | * disable a cards shared memory | |
93 | */ | |
94 | static inline void | |
95 | icn_disable_ram(icn_card * card) | |
96 | { | |
97 | OUTB_P(0, ICN_MAPRAM); | |
98 | } | |
99 | ||
100 | /* | |
101 | * enable a cards shared memory | |
102 | */ | |
103 | static inline void | |
104 | icn_enable_ram(icn_card * card) | |
105 | { | |
106 | OUTB_P(0xff, ICN_MAPRAM); | |
107 | } | |
108 | ||
109 | /* | |
110 | * Map a cards channel0 (Bank0/Bank8) or channel1 (Bank4/Bank12) | |
111 | * | |
112 | * must called with holding the devlock | |
113 | */ | |
114 | static inline void | |
115 | icn_map_channel(icn_card * card, int channel) | |
116 | { | |
117 | #ifdef MAP_DEBUG | |
118 | printk(KERN_DEBUG "icn_map_channel %d %d\n", dev.channel, channel); | |
119 | #endif | |
120 | if ((channel == dev.channel) && (card == dev.mcard)) | |
121 | return; | |
122 | if (dev.mcard) | |
123 | icn_disable_ram(dev.mcard); | |
124 | icn_shiftout(ICN_BANK, chan2bank[channel], 3, 4); /* Select Bank */ | |
125 | icn_enable_ram(card); | |
126 | dev.mcard = card; | |
127 | dev.channel = channel; | |
128 | #ifdef MAP_DEBUG | |
129 | printk(KERN_DEBUG "icn_map_channel done\n"); | |
130 | #endif | |
131 | } | |
132 | ||
133 | /* | |
134 | * Lock a cards channel. | |
135 | * Return 0 if requested card/channel is unmapped (failure). | |
136 | * Return 1 on success. | |
137 | * | |
138 | * must called with holding the devlock | |
139 | */ | |
140 | static inline int | |
141 | icn_lock_channel(icn_card * card, int channel) | |
142 | { | |
143 | register int retval; | |
144 | ||
145 | #ifdef MAP_DEBUG | |
146 | printk(KERN_DEBUG "icn_lock_channel %d\n", channel); | |
147 | #endif | |
148 | if ((dev.channel == channel) && (card == dev.mcard)) { | |
149 | dev.chanlock++; | |
150 | retval = 1; | |
151 | #ifdef MAP_DEBUG | |
152 | printk(KERN_DEBUG "icn_lock_channel %d OK\n", channel); | |
153 | #endif | |
154 | } else { | |
155 | retval = 0; | |
156 | #ifdef MAP_DEBUG | |
157 | printk(KERN_DEBUG "icn_lock_channel %d FAILED, dc=%d\n", channel, dev.channel); | |
158 | #endif | |
159 | } | |
160 | return retval; | |
161 | } | |
162 | ||
163 | /* | |
164 | * Release current card/channel lock | |
165 | * | |
166 | * must called with holding the devlock | |
167 | */ | |
168 | static inline void | |
169 | __icn_release_channel(void) | |
170 | { | |
171 | #ifdef MAP_DEBUG | |
172 | printk(KERN_DEBUG "icn_release_channel l=%d\n", dev.chanlock); | |
173 | #endif | |
174 | if (dev.chanlock > 0) | |
175 | dev.chanlock--; | |
176 | } | |
177 | ||
178 | /* | |
179 | * Release current card/channel lock | |
180 | */ | |
181 | static inline void | |
182 | icn_release_channel(void) | |
183 | { | |
184 | ulong flags; | |
185 | ||
186 | spin_lock_irqsave(&dev.devlock, flags); | |
187 | __icn_release_channel(); | |
188 | spin_unlock_irqrestore(&dev.devlock, flags); | |
189 | } | |
190 | ||
191 | /* | |
192 | * Try to map and lock a cards channel. | |
193 | * Return 1 on success, 0 on failure. | |
194 | */ | |
195 | static inline int | |
196 | icn_trymaplock_channel(icn_card * card, int channel) | |
197 | { | |
198 | ulong flags; | |
199 | ||
200 | #ifdef MAP_DEBUG | |
201 | printk(KERN_DEBUG "trymaplock c=%d dc=%d l=%d\n", channel, dev.channel, | |
202 | dev.chanlock); | |
203 | #endif | |
204 | spin_lock_irqsave(&dev.devlock, flags); | |
205 | if ((!dev.chanlock) || | |
206 | ((dev.channel == channel) && (dev.mcard == card))) { | |
207 | dev.chanlock++; | |
208 | icn_map_channel(card, channel); | |
209 | spin_unlock_irqrestore(&dev.devlock, flags); | |
210 | #ifdef MAP_DEBUG | |
211 | printk(KERN_DEBUG "trymaplock %d OK\n", channel); | |
212 | #endif | |
213 | return 1; | |
214 | } | |
215 | spin_unlock_irqrestore(&dev.devlock, flags); | |
216 | #ifdef MAP_DEBUG | |
217 | printk(KERN_DEBUG "trymaplock %d FAILED\n", channel); | |
218 | #endif | |
219 | return 0; | |
220 | } | |
221 | ||
222 | /* | |
223 | * Release current card/channel lock, | |
224 | * then map same or other channel without locking. | |
225 | */ | |
226 | static inline void | |
227 | icn_maprelease_channel(icn_card * card, int channel) | |
228 | { | |
229 | ulong flags; | |
230 | ||
231 | #ifdef MAP_DEBUG | |
232 | printk(KERN_DEBUG "map_release c=%d l=%d\n", channel, dev.chanlock); | |
233 | #endif | |
234 | spin_lock_irqsave(&dev.devlock, flags); | |
235 | if (dev.chanlock > 0) | |
236 | dev.chanlock--; | |
237 | if (!dev.chanlock) | |
238 | icn_map_channel(card, channel); | |
239 | spin_unlock_irqrestore(&dev.devlock, flags); | |
240 | } | |
241 | ||
242 | /* Get Data from the B-Channel, assemble fragmented packets and put them | |
243 | * into receive-queue. Wake up any B-Channel-reading processes. | |
244 | * This routine is called via timer-callback from icn_pollbchan(). | |
245 | */ | |
246 | ||
247 | static void | |
248 | icn_pollbchan_receive(int channel, icn_card * card) | |
249 | { | |
250 | int mch = channel + ((card->secondhalf) ? 2 : 0); | |
251 | int eflag; | |
252 | int cnt; | |
253 | struct sk_buff *skb; | |
254 | ||
255 | if (icn_trymaplock_channel(card, mch)) { | |
256 | while (rbavl) { | |
257 | cnt = readb(&rbuf_l); | |
258 | if ((card->rcvidx[channel] + cnt) > 4000) { | |
259 | printk(KERN_WARNING | |
260 | "icn: (%s) bogus packet on ch%d, dropping.\n", | |
261 | CID, | |
262 | channel + 1); | |
263 | card->rcvidx[channel] = 0; | |
264 | eflag = 0; | |
265 | } else { | |
266 | memcpy_fromio(&card->rcvbuf[channel][card->rcvidx[channel]], | |
267 | &rbuf_d, cnt); | |
268 | card->rcvidx[channel] += cnt; | |
269 | eflag = readb(&rbuf_f); | |
270 | } | |
271 | rbnext; | |
272 | icn_maprelease_channel(card, mch & 2); | |
273 | if (!eflag) { | |
274 | if ((cnt = card->rcvidx[channel])) { | |
275 | if (!(skb = dev_alloc_skb(cnt))) { | |
276 | printk(KERN_WARNING "icn: receive out of memory\n"); | |
277 | break; | |
278 | } | |
279 | memcpy(skb_put(skb, cnt), card->rcvbuf[channel], cnt); | |
280 | card->rcvidx[channel] = 0; | |
281 | card->interface.rcvcallb_skb(card->myid, channel, skb); | |
282 | } | |
283 | } | |
284 | if (!icn_trymaplock_channel(card, mch)) | |
285 | break; | |
286 | } | |
287 | icn_maprelease_channel(card, mch & 2); | |
288 | } | |
289 | } | |
290 | ||
291 | /* Send data-packet to B-Channel, split it up into fragments of | |
292 | * ICN_FRAGSIZE length. If last fragment is sent out, signal | |
293 | * success to upper layers via statcallb with ISDN_STAT_BSENT argument. | |
294 | * This routine is called via timer-callback from icn_pollbchan() or | |
295 | * directly from icn_sendbuf(). | |
296 | */ | |
297 | ||
298 | static void | |
299 | icn_pollbchan_send(int channel, icn_card * card) | |
300 | { | |
301 | int mch = channel + ((card->secondhalf) ? 2 : 0); | |
302 | int cnt; | |
303 | unsigned long flags; | |
304 | struct sk_buff *skb; | |
305 | isdn_ctrl cmd; | |
306 | ||
307 | if (!(card->sndcount[channel] || card->xskb[channel] || | |
b03efcfb | 308 | !skb_queue_empty(&card->spqueue[channel]))) |
1da177e4 LT |
309 | return; |
310 | if (icn_trymaplock_channel(card, mch)) { | |
311 | while (sbfree && | |
312 | (card->sndcount[channel] || | |
b03efcfb | 313 | !skb_queue_empty(&card->spqueue[channel]) || |
1da177e4 LT |
314 | card->xskb[channel])) { |
315 | spin_lock_irqsave(&card->lock, flags); | |
316 | if (card->xmit_lock[channel]) { | |
317 | spin_unlock_irqrestore(&card->lock, flags); | |
318 | break; | |
319 | } | |
320 | card->xmit_lock[channel]++; | |
321 | spin_unlock_irqrestore(&card->lock, flags); | |
322 | skb = card->xskb[channel]; | |
323 | if (!skb) { | |
324 | skb = skb_dequeue(&card->spqueue[channel]); | |
325 | if (skb) { | |
326 | /* Pop ACK-flag off skb. | |
327 | * Store length to xlen. | |
328 | */ | |
329 | if (*(skb_pull(skb,1))) | |
330 | card->xlen[channel] = skb->len; | |
331 | else | |
332 | card->xlen[channel] = 0; | |
333 | } | |
334 | } | |
335 | if (!skb) | |
336 | break; | |
337 | if (skb->len > ICN_FRAGSIZE) { | |
338 | writeb(0xff, &sbuf_f); | |
339 | cnt = ICN_FRAGSIZE; | |
340 | } else { | |
341 | writeb(0x0, &sbuf_f); | |
342 | cnt = skb->len; | |
343 | } | |
344 | writeb(cnt, &sbuf_l); | |
345 | memcpy_toio(&sbuf_d, skb->data, cnt); | |
346 | skb_pull(skb, cnt); | |
347 | sbnext; /* switch to next buffer */ | |
348 | icn_maprelease_channel(card, mch & 2); | |
349 | spin_lock_irqsave(&card->lock, flags); | |
350 | card->sndcount[channel] -= cnt; | |
351 | if (!skb->len) { | |
352 | if (card->xskb[channel]) | |
353 | card->xskb[channel] = NULL; | |
354 | card->xmit_lock[channel] = 0; | |
355 | spin_unlock_irqrestore(&card->lock, flags); | |
356 | dev_kfree_skb(skb); | |
357 | if (card->xlen[channel]) { | |
358 | cmd.command = ISDN_STAT_BSENT; | |
359 | cmd.driver = card->myid; | |
360 | cmd.arg = channel; | |
361 | cmd.parm.length = card->xlen[channel]; | |
362 | card->interface.statcallb(&cmd); | |
363 | } | |
364 | } else { | |
365 | card->xskb[channel] = skb; | |
366 | card->xmit_lock[channel] = 0; | |
367 | spin_unlock_irqrestore(&card->lock, flags); | |
368 | } | |
369 | if (!icn_trymaplock_channel(card, mch)) | |
370 | break; | |
371 | } | |
372 | icn_maprelease_channel(card, mch & 2); | |
373 | } | |
374 | } | |
375 | ||
376 | /* Send/Receive Data to/from the B-Channel. | |
377 | * This routine is called via timer-callback. | |
378 | * It schedules itself while any B-Channel is open. | |
379 | */ | |
380 | ||
381 | static void | |
382 | icn_pollbchan(unsigned long data) | |
383 | { | |
384 | icn_card *card = (icn_card *) data; | |
385 | unsigned long flags; | |
386 | ||
387 | if (card->flags & ICN_FLAGS_B1ACTIVE) { | |
388 | icn_pollbchan_receive(0, card); | |
389 | icn_pollbchan_send(0, card); | |
390 | } | |
391 | if (card->flags & ICN_FLAGS_B2ACTIVE) { | |
392 | icn_pollbchan_receive(1, card); | |
393 | icn_pollbchan_send(1, card); | |
394 | } | |
395 | if (card->flags & (ICN_FLAGS_B1ACTIVE | ICN_FLAGS_B2ACTIVE)) { | |
396 | /* schedule b-channel polling again */ | |
397 | spin_lock_irqsave(&card->lock, flags); | |
398 | mod_timer(&card->rb_timer, jiffies+ICN_TIMER_BCREAD); | |
399 | card->flags |= ICN_FLAGS_RBTIMER; | |
400 | spin_unlock_irqrestore(&card->lock, flags); | |
401 | } else | |
402 | card->flags &= ~ICN_FLAGS_RBTIMER; | |
403 | } | |
404 | ||
405 | typedef struct icn_stat { | |
406 | char *statstr; | |
407 | int command; | |
408 | int action; | |
409 | } icn_stat; | |
410 | /* *INDENT-OFF* */ | |
411 | static icn_stat icn_stat_table[] = | |
412 | { | |
413 | {"BCON_", ISDN_STAT_BCONN, 1}, /* B-Channel connected */ | |
414 | {"BDIS_", ISDN_STAT_BHUP, 2}, /* B-Channel disconnected */ | |
415 | /* | |
416 | ** add d-channel connect and disconnect support to link-level | |
417 | */ | |
418 | {"DCON_", ISDN_STAT_DCONN, 10}, /* D-Channel connected */ | |
419 | {"DDIS_", ISDN_STAT_DHUP, 11}, /* D-Channel disconnected */ | |
420 | {"DCAL_I", ISDN_STAT_ICALL, 3}, /* Incoming call dialup-line */ | |
421 | {"DSCA_I", ISDN_STAT_ICALL, 3}, /* Incoming call 1TR6-SPV */ | |
422 | {"FCALL", ISDN_STAT_ICALL, 4}, /* Leased line connection up */ | |
423 | {"CIF", ISDN_STAT_CINF, 5}, /* Charge-info, 1TR6-type */ | |
424 | {"AOC", ISDN_STAT_CINF, 6}, /* Charge-info, DSS1-type */ | |
425 | {"CAU", ISDN_STAT_CAUSE, 7}, /* Cause code */ | |
426 | {"TEI OK", ISDN_STAT_RUN, 0}, /* Card connected to wallplug */ | |
427 | {"E_L1: ACT FAIL", ISDN_STAT_BHUP, 8}, /* Layer-1 activation failed */ | |
428 | {"E_L2: DATA LIN", ISDN_STAT_BHUP, 8}, /* Layer-2 data link lost */ | |
429 | {"E_L1: ACTIVATION FAILED", | |
430 | ISDN_STAT_BHUP, 8}, /* Layer-1 activation failed */ | |
431 | {NULL, 0, -1} | |
432 | }; | |
433 | /* *INDENT-ON* */ | |
434 | ||
435 | ||
436 | /* | |
437 | * Check Statusqueue-Pointer from isdn-cards. | |
438 | * If there are new status-replies from the interface, check | |
439 | * them against B-Channel-connects/disconnects and set flags accordingly. | |
440 | * Wake-Up any processes, who are reading the status-device. | |
441 | * If there are B-Channels open, initiate a timer-callback to | |
442 | * icn_pollbchan(). | |
443 | * This routine is called periodically via timer. | |
444 | */ | |
445 | ||
446 | static void | |
447 | icn_parse_status(u_char * status, int channel, icn_card * card) | |
448 | { | |
449 | icn_stat *s = icn_stat_table; | |
450 | int action = -1; | |
451 | unsigned long flags; | |
452 | isdn_ctrl cmd; | |
453 | ||
454 | while (s->statstr) { | |
455 | if (!strncmp(status, s->statstr, strlen(s->statstr))) { | |
456 | cmd.command = s->command; | |
457 | action = s->action; | |
458 | break; | |
459 | } | |
460 | s++; | |
461 | } | |
462 | if (action == -1) | |
463 | return; | |
464 | cmd.driver = card->myid; | |
465 | cmd.arg = channel; | |
466 | switch (action) { | |
467 | case 11: | |
468 | spin_lock_irqsave(&card->lock, flags); | |
469 | icn_free_queue(card,channel); | |
470 | card->rcvidx[channel] = 0; | |
471 | ||
472 | if (card->flags & | |
473 | ((channel)?ICN_FLAGS_B2ACTIVE:ICN_FLAGS_B1ACTIVE)) { | |
474 | ||
475 | isdn_ctrl ncmd; | |
476 | ||
477 | card->flags &= ~((channel)? | |
478 | ICN_FLAGS_B2ACTIVE:ICN_FLAGS_B1ACTIVE); | |
479 | ||
480 | memset(&ncmd, 0, sizeof(ncmd)); | |
481 | ||
482 | ncmd.driver = card->myid; | |
483 | ncmd.arg = channel; | |
484 | ncmd.command = ISDN_STAT_BHUP; | |
485 | spin_unlock_irqrestore(&card->lock, flags); | |
486 | card->interface.statcallb(&cmd); | |
487 | } else | |
488 | spin_unlock_irqrestore(&card->lock, flags); | |
489 | break; | |
490 | case 1: | |
491 | spin_lock_irqsave(&card->lock, flags); | |
492 | icn_free_queue(card,channel); | |
493 | card->flags |= (channel) ? | |
494 | ICN_FLAGS_B2ACTIVE : ICN_FLAGS_B1ACTIVE; | |
495 | spin_unlock_irqrestore(&card->lock, flags); | |
496 | break; | |
497 | case 2: | |
498 | spin_lock_irqsave(&card->lock, flags); | |
499 | card->flags &= ~((channel) ? | |
500 | ICN_FLAGS_B2ACTIVE : ICN_FLAGS_B1ACTIVE); | |
501 | icn_free_queue(card, channel); | |
502 | card->rcvidx[channel] = 0; | |
503 | spin_unlock_irqrestore(&card->lock, flags); | |
504 | break; | |
505 | case 3: | |
506 | { | |
507 | char *t = status + 6; | |
508 | char *s = strchr(t, ','); | |
509 | ||
510 | *s++ = '\0'; | |
511 | strlcpy(cmd.parm.setup.phone, t, | |
512 | sizeof(cmd.parm.setup.phone)); | |
513 | s = strchr(t = s, ','); | |
514 | *s++ = '\0'; | |
515 | if (!strlen(t)) | |
516 | cmd.parm.setup.si1 = 0; | |
517 | else | |
518 | cmd.parm.setup.si1 = | |
519 | simple_strtoul(t, NULL, 10); | |
520 | s = strchr(t = s, ','); | |
521 | *s++ = '\0'; | |
522 | if (!strlen(t)) | |
523 | cmd.parm.setup.si2 = 0; | |
524 | else | |
525 | cmd.parm.setup.si2 = | |
526 | simple_strtoul(t, NULL, 10); | |
527 | strlcpy(cmd.parm.setup.eazmsn, s, | |
528 | sizeof(cmd.parm.setup.eazmsn)); | |
529 | } | |
530 | cmd.parm.setup.plan = 0; | |
531 | cmd.parm.setup.screen = 0; | |
532 | break; | |
533 | case 4: | |
534 | sprintf(cmd.parm.setup.phone, "LEASED%d", card->myid); | |
535 | sprintf(cmd.parm.setup.eazmsn, "%d", channel + 1); | |
536 | cmd.parm.setup.si1 = 7; | |
537 | cmd.parm.setup.si2 = 0; | |
538 | cmd.parm.setup.plan = 0; | |
539 | cmd.parm.setup.screen = 0; | |
540 | break; | |
541 | case 5: | |
542 | strlcpy(cmd.parm.num, status + 3, sizeof(cmd.parm.num)); | |
543 | break; | |
544 | case 6: | |
545 | snprintf(cmd.parm.num, sizeof(cmd.parm.num), "%d", | |
546 | (int) simple_strtoul(status + 7, NULL, 16)); | |
547 | break; | |
548 | case 7: | |
549 | status += 3; | |
550 | if (strlen(status) == 4) | |
551 | snprintf(cmd.parm.num, sizeof(cmd.parm.num), "%s%c%c", | |
552 | status + 2, *status, *(status + 1)); | |
553 | else | |
554 | strlcpy(cmd.parm.num, status + 1, sizeof(cmd.parm.num)); | |
555 | break; | |
556 | case 8: | |
557 | spin_lock_irqsave(&card->lock, flags); | |
558 | card->flags &= ~ICN_FLAGS_B1ACTIVE; | |
559 | icn_free_queue(card, 0); | |
560 | card->rcvidx[0] = 0; | |
561 | spin_unlock_irqrestore(&card->lock, flags); | |
562 | cmd.arg = 0; | |
563 | cmd.driver = card->myid; | |
564 | card->interface.statcallb(&cmd); | |
565 | cmd.command = ISDN_STAT_DHUP; | |
566 | cmd.arg = 0; | |
567 | cmd.driver = card->myid; | |
568 | card->interface.statcallb(&cmd); | |
569 | cmd.command = ISDN_STAT_BHUP; | |
570 | spin_lock_irqsave(&card->lock, flags); | |
571 | card->flags &= ~ICN_FLAGS_B2ACTIVE; | |
572 | icn_free_queue(card, 1); | |
573 | card->rcvidx[1] = 0; | |
574 | spin_unlock_irqrestore(&card->lock, flags); | |
575 | cmd.arg = 1; | |
576 | cmd.driver = card->myid; | |
577 | card->interface.statcallb(&cmd); | |
578 | cmd.command = ISDN_STAT_DHUP; | |
579 | cmd.arg = 1; | |
580 | cmd.driver = card->myid; | |
581 | break; | |
582 | } | |
583 | card->interface.statcallb(&cmd); | |
584 | return; | |
585 | } | |
586 | ||
587 | static void | |
588 | icn_putmsg(icn_card * card, unsigned char c) | |
589 | { | |
590 | ulong flags; | |
591 | ||
592 | spin_lock_irqsave(&card->lock, flags); | |
593 | *card->msg_buf_write++ = (c == 0xff) ? '\n' : c; | |
594 | if (card->msg_buf_write == card->msg_buf_read) { | |
595 | if (++card->msg_buf_read > card->msg_buf_end) | |
596 | card->msg_buf_read = card->msg_buf; | |
597 | } | |
598 | if (card->msg_buf_write > card->msg_buf_end) | |
599 | card->msg_buf_write = card->msg_buf; | |
600 | spin_unlock_irqrestore(&card->lock, flags); | |
601 | } | |
602 | ||
603 | static void | |
604 | icn_polldchan(unsigned long data) | |
605 | { | |
606 | icn_card *card = (icn_card *) data; | |
607 | int mch = card->secondhalf ? 2 : 0; | |
608 | int avail = 0; | |
609 | int left; | |
610 | u_char c; | |
611 | int ch; | |
612 | unsigned long flags; | |
613 | int i; | |
614 | u_char *p; | |
615 | isdn_ctrl cmd; | |
616 | ||
617 | if (icn_trymaplock_channel(card, mch)) { | |
618 | avail = msg_avail; | |
619 | for (left = avail, i = readb(&msg_o); left > 0; i++, left--) { | |
620 | c = readb(&dev.shmem->comm_buffers.iopc_buf[i & 0xff]); | |
621 | icn_putmsg(card, c); | |
622 | if (c == 0xff) { | |
623 | card->imsg[card->iptr] = 0; | |
624 | card->iptr = 0; | |
625 | if (card->imsg[0] == '0' && card->imsg[1] >= '0' && | |
626 | card->imsg[1] <= '2' && card->imsg[2] == ';') { | |
627 | ch = (card->imsg[1] - '0') - 1; | |
628 | p = &card->imsg[3]; | |
629 | icn_parse_status(p, ch, card); | |
630 | } else { | |
631 | p = card->imsg; | |
632 | if (!strncmp(p, "DRV1.", 5)) { | |
633 | u_char vstr[10]; | |
634 | u_char *q = vstr; | |
635 | ||
636 | printk(KERN_INFO "icn: (%s) %s\n", CID, p); | |
637 | if (!strncmp(p + 7, "TC", 2)) { | |
638 | card->ptype = ISDN_PTYPE_1TR6; | |
639 | card->interface.features |= ISDN_FEATURE_P_1TR6; | |
640 | printk(KERN_INFO | |
641 | "icn: (%s) 1TR6-Protocol loaded and running\n", CID); | |
642 | } | |
643 | if (!strncmp(p + 7, "EC", 2)) { | |
644 | card->ptype = ISDN_PTYPE_EURO; | |
645 | card->interface.features |= ISDN_FEATURE_P_EURO; | |
646 | printk(KERN_INFO | |
647 | "icn: (%s) Euro-Protocol loaded and running\n", CID); | |
648 | } | |
649 | p = strstr(card->imsg, "BRV") + 3; | |
650 | while (*p) { | |
651 | if (*p >= '0' && *p <= '9') | |
652 | *q++ = *p; | |
653 | p++; | |
654 | } | |
655 | *q = '\0'; | |
656 | strcat(vstr, "000"); | |
657 | vstr[3] = '\0'; | |
658 | card->fw_rev = (int) simple_strtoul(vstr, NULL, 10); | |
659 | continue; | |
660 | ||
661 | } | |
662 | } | |
663 | } else { | |
664 | card->imsg[card->iptr] = c; | |
665 | if (card->iptr < 59) | |
666 | card->iptr++; | |
667 | } | |
668 | } | |
669 | writeb((readb(&msg_o) + avail) & 0xff, &msg_o); | |
670 | icn_release_channel(); | |
671 | } | |
672 | if (avail) { | |
673 | cmd.command = ISDN_STAT_STAVAIL; | |
674 | cmd.driver = card->myid; | |
675 | cmd.arg = avail; | |
676 | card->interface.statcallb(&cmd); | |
677 | } | |
678 | spin_lock_irqsave(&card->lock, flags); | |
679 | if (card->flags & (ICN_FLAGS_B1ACTIVE | ICN_FLAGS_B2ACTIVE)) | |
680 | if (!(card->flags & ICN_FLAGS_RBTIMER)) { | |
681 | /* schedule b-channel polling */ | |
682 | card->flags |= ICN_FLAGS_RBTIMER; | |
683 | del_timer(&card->rb_timer); | |
684 | card->rb_timer.function = icn_pollbchan; | |
685 | card->rb_timer.data = (unsigned long) card; | |
686 | card->rb_timer.expires = jiffies + ICN_TIMER_BCREAD; | |
687 | add_timer(&card->rb_timer); | |
688 | } | |
689 | /* schedule again */ | |
690 | mod_timer(&card->st_timer, jiffies+ICN_TIMER_DCREAD); | |
691 | spin_unlock_irqrestore(&card->lock, flags); | |
692 | } | |
693 | ||
694 | /* Append a packet to the transmit buffer-queue. | |
695 | * Parameters: | |
696 | * channel = Number of B-channel | |
697 | * skb = pointer to sk_buff | |
698 | * card = pointer to card-struct | |
699 | * Return: | |
700 | * Number of bytes transferred, -E??? on error | |
701 | */ | |
702 | ||
703 | static int | |
704 | icn_sendbuf(int channel, int ack, struct sk_buff *skb, icn_card * card) | |
705 | { | |
706 | int len = skb->len; | |
707 | unsigned long flags; | |
708 | struct sk_buff *nskb; | |
709 | ||
710 | if (len > 4000) { | |
711 | printk(KERN_WARNING | |
712 | "icn: Send packet too large\n"); | |
713 | return -EINVAL; | |
714 | } | |
715 | if (len) { | |
716 | if (!(card->flags & (channel) ? ICN_FLAGS_B2ACTIVE : ICN_FLAGS_B1ACTIVE)) | |
717 | return 0; | |
718 | if (card->sndcount[channel] > ICN_MAX_SQUEUE) | |
719 | return 0; | |
720 | #warning TODO test headroom or use skb->nb to flag ACK | |
721 | nskb = skb_clone(skb, GFP_ATOMIC); | |
722 | if (nskb) { | |
723 | /* Push ACK flag as one | |
724 | * byte in front of data. | |
725 | */ | |
726 | *(skb_push(nskb, 1)) = ack?1:0; | |
727 | skb_queue_tail(&card->spqueue[channel], nskb); | |
728 | dev_kfree_skb(skb); | |
729 | } else | |
730 | len = 0; | |
731 | spin_lock_irqsave(&card->lock, flags); | |
732 | card->sndcount[channel] += len; | |
733 | spin_unlock_irqrestore(&card->lock, flags); | |
734 | } | |
735 | return len; | |
736 | } | |
737 | ||
738 | /* | |
739 | * Check card's status after starting the bootstrap loader. | |
740 | * On entry, the card's shared memory has already to be mapped. | |
741 | * Return: | |
742 | * 0 on success (Boot loader ready) | |
743 | * -EIO on failure (timeout) | |
744 | */ | |
745 | static int | |
746 | icn_check_loader(int cardnumber) | |
747 | { | |
748 | int timer = 0; | |
749 | ||
750 | while (1) { | |
751 | #ifdef BOOT_DEBUG | |
752 | printk(KERN_DEBUG "Loader %d ?\n", cardnumber); | |
753 | #endif | |
754 | if (readb(&dev.shmem->data_control.scns) || | |
755 | readb(&dev.shmem->data_control.scnr)) { | |
756 | if (timer++ > 5) { | |
757 | printk(KERN_WARNING | |
758 | "icn: Boot-Loader %d timed out.\n", | |
759 | cardnumber); | |
760 | icn_release_channel(); | |
761 | return -EIO; | |
762 | } | |
763 | #ifdef BOOT_DEBUG | |
764 | printk(KERN_DEBUG "Loader %d TO?\n", cardnumber); | |
765 | #endif | |
766 | msleep_interruptible(ICN_BOOT_TIMEOUT1); | |
767 | } else { | |
768 | #ifdef BOOT_DEBUG | |
769 | printk(KERN_DEBUG "Loader %d OK\n", cardnumber); | |
770 | #endif | |
771 | icn_release_channel(); | |
772 | return 0; | |
773 | } | |
774 | } | |
775 | } | |
776 | ||
777 | /* Load the boot-code into the interface-card's memory and start it. | |
778 | * Always called from user-process. | |
779 | * | |
780 | * Parameters: | |
781 | * buffer = pointer to packet | |
782 | * Return: | |
783 | * 0 if successfully loaded | |
784 | */ | |
785 | ||
786 | #ifdef BOOT_DEBUG | |
787 | #define SLEEP(sec) { \ | |
788 | int slsec = sec; \ | |
789 | printk(KERN_DEBUG "SLEEP(%d)\n",slsec); \ | |
790 | while (slsec) { \ | |
791 | msleep_interruptible(1000); \ | |
792 | slsec--; \ | |
793 | } \ | |
794 | } | |
795 | #else | |
796 | #define SLEEP(sec) | |
797 | #endif | |
798 | ||
799 | static int | |
800 | icn_loadboot(u_char __user * buffer, icn_card * card) | |
801 | { | |
802 | int ret; | |
803 | u_char *codebuf; | |
804 | unsigned long flags; | |
805 | ||
806 | #ifdef BOOT_DEBUG | |
807 | printk(KERN_DEBUG "icn_loadboot called, buffaddr=%08lx\n", (ulong) buffer); | |
808 | #endif | |
809 | if (!(codebuf = kmalloc(ICN_CODE_STAGE1, GFP_KERNEL))) { | |
810 | printk(KERN_WARNING "icn: Could not allocate code buffer\n"); | |
811 | ret = -ENOMEM; | |
812 | goto out; | |
813 | } | |
814 | if (copy_from_user(codebuf, buffer, ICN_CODE_STAGE1)) { | |
815 | ret = -EFAULT; | |
816 | goto out_kfree; | |
817 | } | |
818 | if (!card->rvalid) { | |
819 | if (!request_region(card->port, ICN_PORTLEN, card->regname)) { | |
820 | printk(KERN_WARNING | |
821 | "icn: (%s) ports 0x%03x-0x%03x in use.\n", | |
822 | CID, | |
823 | card->port, | |
824 | card->port + ICN_PORTLEN); | |
825 | ret = -EBUSY; | |
826 | goto out_kfree; | |
827 | } | |
828 | card->rvalid = 1; | |
829 | if (card->doubleS0) | |
830 | card->other->rvalid = 1; | |
831 | } | |
832 | if (!dev.mvalid) { | |
833 | if (!request_mem_region(dev.memaddr, 0x4000, "icn-isdn (all cards)")) { | |
834 | printk(KERN_WARNING | |
835 | "icn: memory at 0x%08lx in use.\n", dev.memaddr); | |
836 | ret = -EBUSY; | |
837 | goto out_kfree; | |
838 | } | |
839 | dev.shmem = ioremap(dev.memaddr, 0x4000); | |
840 | dev.mvalid = 1; | |
841 | } | |
842 | OUTB_P(0, ICN_RUN); /* Reset Controller */ | |
843 | OUTB_P(0, ICN_MAPRAM); /* Disable RAM */ | |
844 | icn_shiftout(ICN_CFG, 0x0f, 3, 4); /* Windowsize= 16k */ | |
845 | icn_shiftout(ICN_CFG, dev.memaddr, 23, 10); /* Set RAM-Addr. */ | |
846 | #ifdef BOOT_DEBUG | |
847 | printk(KERN_DEBUG "shmem=%08lx\n", dev.memaddr); | |
848 | #endif | |
849 | SLEEP(1); | |
850 | #ifdef BOOT_DEBUG | |
851 | printk(KERN_DEBUG "Map Bank 0\n"); | |
852 | #endif | |
853 | spin_lock_irqsave(&dev.devlock, flags); | |
854 | icn_map_channel(card, 0); /* Select Bank 0 */ | |
855 | icn_lock_channel(card, 0); /* Lock Bank 0 */ | |
856 | spin_unlock_irqrestore(&dev.devlock, flags); | |
857 | SLEEP(1); | |
858 | memcpy_toio(dev.shmem, codebuf, ICN_CODE_STAGE1); /* Copy code */ | |
859 | #ifdef BOOT_DEBUG | |
860 | printk(KERN_DEBUG "Bootloader transferred\n"); | |
861 | #endif | |
862 | if (card->doubleS0) { | |
863 | SLEEP(1); | |
864 | #ifdef BOOT_DEBUG | |
865 | printk(KERN_DEBUG "Map Bank 8\n"); | |
866 | #endif | |
867 | spin_lock_irqsave(&dev.devlock, flags); | |
868 | __icn_release_channel(); | |
869 | icn_map_channel(card, 2); /* Select Bank 8 */ | |
870 | icn_lock_channel(card, 2); /* Lock Bank 8 */ | |
871 | spin_unlock_irqrestore(&dev.devlock, flags); | |
872 | SLEEP(1); | |
873 | memcpy_toio(dev.shmem, codebuf, ICN_CODE_STAGE1); /* Copy code */ | |
874 | #ifdef BOOT_DEBUG | |
875 | printk(KERN_DEBUG "Bootloader transferred\n"); | |
876 | #endif | |
877 | } | |
878 | SLEEP(1); | |
879 | OUTB_P(0xff, ICN_RUN); /* Start Boot-Code */ | |
880 | if ((ret = icn_check_loader(card->doubleS0 ? 2 : 1))) { | |
881 | goto out_kfree; | |
882 | } | |
883 | if (!card->doubleS0) { | |
884 | ret = 0; | |
885 | goto out_kfree; | |
886 | } | |
887 | /* reached only, if we have a Double-S0-Card */ | |
888 | #ifdef BOOT_DEBUG | |
889 | printk(KERN_DEBUG "Map Bank 0\n"); | |
890 | #endif | |
891 | spin_lock_irqsave(&dev.devlock, flags); | |
892 | icn_map_channel(card, 0); /* Select Bank 0 */ | |
893 | icn_lock_channel(card, 0); /* Lock Bank 0 */ | |
894 | spin_unlock_irqrestore(&dev.devlock, flags); | |
895 | SLEEP(1); | |
896 | ret = (icn_check_loader(1)); | |
897 | ||
898 | out_kfree: | |
899 | kfree(codebuf); | |
900 | out: | |
901 | return ret; | |
902 | } | |
903 | ||
904 | static int | |
905 | icn_loadproto(u_char __user * buffer, icn_card * card) | |
906 | { | |
907 | register u_char __user *p = buffer; | |
908 | u_char codebuf[256]; | |
909 | uint left = ICN_CODE_STAGE2; | |
910 | uint cnt; | |
911 | int timer; | |
912 | unsigned long flags; | |
913 | ||
914 | #ifdef BOOT_DEBUG | |
915 | printk(KERN_DEBUG "icn_loadproto called\n"); | |
916 | #endif | |
917 | if (!access_ok(VERIFY_READ, buffer, ICN_CODE_STAGE2)) | |
918 | return -EFAULT; | |
919 | timer = 0; | |
920 | spin_lock_irqsave(&dev.devlock, flags); | |
921 | if (card->secondhalf) { | |
922 | icn_map_channel(card, 2); | |
923 | icn_lock_channel(card, 2); | |
924 | } else { | |
925 | icn_map_channel(card, 0); | |
926 | icn_lock_channel(card, 0); | |
927 | } | |
928 | spin_unlock_irqrestore(&dev.devlock, flags); | |
929 | while (left) { | |
930 | if (sbfree) { /* If there is a free buffer... */ | |
931 | cnt = left; | |
932 | if (cnt > 256) | |
933 | cnt = 256; | |
934 | if (copy_from_user(codebuf, p, cnt)) { | |
935 | icn_maprelease_channel(card, 0); | |
936 | return -EFAULT; | |
937 | } | |
938 | memcpy_toio(&sbuf_l, codebuf, cnt); /* copy data */ | |
939 | sbnext; /* switch to next buffer */ | |
940 | p += cnt; | |
941 | left -= cnt; | |
942 | timer = 0; | |
943 | } else { | |
944 | #ifdef BOOT_DEBUG | |
945 | printk(KERN_DEBUG "boot 2 !sbfree\n"); | |
946 | #endif | |
947 | if (timer++ > 5) { | |
948 | icn_maprelease_channel(card, 0); | |
949 | return -EIO; | |
950 | } | |
24763c48 | 951 | schedule_timeout_interruptible(10); |
1da177e4 LT |
952 | } |
953 | } | |
954 | writeb(0x20, &sbuf_n); | |
955 | timer = 0; | |
956 | while (1) { | |
957 | if (readb(&cmd_o) || readb(&cmd_i)) { | |
958 | #ifdef BOOT_DEBUG | |
959 | printk(KERN_DEBUG "Proto?\n"); | |
960 | #endif | |
961 | if (timer++ > 5) { | |
962 | printk(KERN_WARNING | |
963 | "icn: (%s) Protocol timed out.\n", | |
964 | CID); | |
965 | #ifdef BOOT_DEBUG | |
966 | printk(KERN_DEBUG "Proto TO!\n"); | |
967 | #endif | |
968 | icn_maprelease_channel(card, 0); | |
969 | return -EIO; | |
970 | } | |
971 | #ifdef BOOT_DEBUG | |
972 | printk(KERN_DEBUG "Proto TO?\n"); | |
973 | #endif | |
974 | msleep_interruptible(ICN_BOOT_TIMEOUT1); | |
975 | } else { | |
976 | if ((card->secondhalf) || (!card->doubleS0)) { | |
977 | #ifdef BOOT_DEBUG | |
978 | printk(KERN_DEBUG "Proto loaded, install poll-timer %d\n", | |
979 | card->secondhalf); | |
980 | #endif | |
981 | spin_lock_irqsave(&card->lock, flags); | |
982 | init_timer(&card->st_timer); | |
983 | card->st_timer.expires = jiffies + ICN_TIMER_DCREAD; | |
984 | card->st_timer.function = icn_polldchan; | |
985 | card->st_timer.data = (unsigned long) card; | |
986 | add_timer(&card->st_timer); | |
987 | card->flags |= ICN_FLAGS_RUNNING; | |
988 | if (card->doubleS0) { | |
989 | init_timer(&card->other->st_timer); | |
990 | card->other->st_timer.expires = jiffies + ICN_TIMER_DCREAD; | |
991 | card->other->st_timer.function = icn_polldchan; | |
992 | card->other->st_timer.data = (unsigned long) card->other; | |
993 | add_timer(&card->other->st_timer); | |
994 | card->other->flags |= ICN_FLAGS_RUNNING; | |
995 | } | |
996 | spin_unlock_irqrestore(&card->lock, flags); | |
997 | } | |
998 | icn_maprelease_channel(card, 0); | |
999 | return 0; | |
1000 | } | |
1001 | } | |
1002 | } | |
1003 | ||
1004 | /* Read the Status-replies from the Interface */ | |
1005 | static int | |
1006 | icn_readstatus(u_char __user *buf, int len, icn_card * card) | |
1007 | { | |
1008 | int count; | |
1009 | u_char __user *p; | |
1010 | ||
1011 | for (p = buf, count = 0; count < len; p++, count++) { | |
1012 | if (card->msg_buf_read == card->msg_buf_write) | |
1013 | return count; | |
7786ce19 JG |
1014 | if (put_user(*card->msg_buf_read++, p)) |
1015 | return -EFAULT; | |
1da177e4 LT |
1016 | if (card->msg_buf_read > card->msg_buf_end) |
1017 | card->msg_buf_read = card->msg_buf; | |
1018 | } | |
1019 | return count; | |
1020 | } | |
1021 | ||
1022 | /* Put command-strings into the command-queue of the Interface */ | |
1023 | static int | |
1024 | icn_writecmd(const u_char * buf, int len, int user, icn_card * card) | |
1025 | { | |
1026 | int mch = card->secondhalf ? 2 : 0; | |
1027 | int pp; | |
1028 | int i; | |
1029 | int count; | |
1030 | int xcount; | |
1031 | int ocount; | |
1032 | int loop; | |
1033 | unsigned long flags; | |
1034 | int lastmap_channel; | |
1035 | struct icn_card *lastmap_card; | |
1036 | u_char *p; | |
1037 | isdn_ctrl cmd; | |
1038 | u_char msg[0x100]; | |
1039 | ||
1040 | ocount = 1; | |
1041 | xcount = loop = 0; | |
1042 | while (len) { | |
1043 | count = cmd_free; | |
1044 | if (count > len) | |
1045 | count = len; | |
1046 | if (user) { | |
1047 | if (copy_from_user(msg, buf, count)) | |
1048 | return -EFAULT; | |
1049 | } else | |
1050 | memcpy(msg, buf, count); | |
1051 | ||
1052 | spin_lock_irqsave(&dev.devlock, flags); | |
1053 | lastmap_card = dev.mcard; | |
1054 | lastmap_channel = dev.channel; | |
1055 | icn_map_channel(card, mch); | |
1056 | ||
1057 | icn_putmsg(card, '>'); | |
1058 | for (p = msg, pp = readb(&cmd_i), i = count; i > 0; i--, p++, pp | |
1059 | ++) { | |
1060 | writeb((*p == '\n') ? 0xff : *p, | |
1061 | &dev.shmem->comm_buffers.pcio_buf[pp & 0xff]); | |
1062 | len--; | |
1063 | xcount++; | |
1064 | icn_putmsg(card, *p); | |
1065 | if ((*p == '\n') && (i > 1)) { | |
1066 | icn_putmsg(card, '>'); | |
1067 | ocount++; | |
1068 | } | |
1069 | ocount++; | |
1070 | } | |
1071 | writeb((readb(&cmd_i) + count) & 0xff, &cmd_i); | |
1072 | if (lastmap_card) | |
1073 | icn_map_channel(lastmap_card, lastmap_channel); | |
1074 | spin_unlock_irqrestore(&dev.devlock, flags); | |
1075 | if (len) { | |
1076 | mdelay(1); | |
1077 | if (loop++ > 20) | |
1078 | break; | |
1079 | } else | |
1080 | break; | |
1081 | } | |
1082 | if (len && (!user)) | |
1083 | printk(KERN_WARNING "icn: writemsg incomplete!\n"); | |
1084 | cmd.command = ISDN_STAT_STAVAIL; | |
1085 | cmd.driver = card->myid; | |
1086 | cmd.arg = ocount; | |
1087 | card->interface.statcallb(&cmd); | |
1088 | return xcount; | |
1089 | } | |
1090 | ||
1091 | /* | |
1092 | * Delete card's pending timers, send STOP to linklevel | |
1093 | */ | |
1094 | static void | |
1095 | icn_stopcard(icn_card * card) | |
1096 | { | |
1097 | unsigned long flags; | |
1098 | isdn_ctrl cmd; | |
1099 | ||
1100 | spin_lock_irqsave(&card->lock, flags); | |
1101 | if (card->flags & ICN_FLAGS_RUNNING) { | |
1102 | card->flags &= ~ICN_FLAGS_RUNNING; | |
1103 | del_timer(&card->st_timer); | |
1104 | del_timer(&card->rb_timer); | |
1105 | spin_unlock_irqrestore(&card->lock, flags); | |
1106 | cmd.command = ISDN_STAT_STOP; | |
1107 | cmd.driver = card->myid; | |
1108 | card->interface.statcallb(&cmd); | |
1109 | if (card->doubleS0) | |
1110 | icn_stopcard(card->other); | |
1111 | } else | |
1112 | spin_unlock_irqrestore(&card->lock, flags); | |
1113 | } | |
1114 | ||
1115 | static void | |
1116 | icn_stopallcards(void) | |
1117 | { | |
1118 | icn_card *p = cards; | |
1119 | ||
1120 | while (p) { | |
1121 | icn_stopcard(p); | |
1122 | p = p->next; | |
1123 | } | |
1124 | } | |
1125 | ||
1126 | /* | |
1127 | * Unmap all cards, because some of them may be mapped accidetly during | |
1128 | * autoprobing of some network drivers (SMC-driver?) | |
1129 | */ | |
1130 | static void | |
1131 | icn_disable_cards(void) | |
1132 | { | |
1133 | icn_card *card = cards; | |
1134 | ||
1135 | while (card) { | |
1136 | if (!request_region(card->port, ICN_PORTLEN, "icn-isdn")) { | |
1137 | printk(KERN_WARNING | |
1138 | "icn: (%s) ports 0x%03x-0x%03x in use.\n", | |
1139 | CID, | |
1140 | card->port, | |
1141 | card->port + ICN_PORTLEN); | |
1142 | } else { | |
1143 | OUTB_P(0, ICN_RUN); /* Reset Controller */ | |
1144 | OUTB_P(0, ICN_MAPRAM); /* Disable RAM */ | |
1145 | release_region(card->port, ICN_PORTLEN); | |
1146 | } | |
1147 | card = card->next; | |
1148 | } | |
1149 | } | |
1150 | ||
1151 | static int | |
1152 | icn_command(isdn_ctrl * c, icn_card * card) | |
1153 | { | |
1154 | ulong a; | |
1155 | ulong flags; | |
1156 | int i; | |
1157 | char cbuf[60]; | |
1158 | isdn_ctrl cmd; | |
1159 | icn_cdef cdef; | |
1160 | char __user *arg; | |
1161 | ||
1162 | switch (c->command) { | |
1163 | case ISDN_CMD_IOCTL: | |
1164 | memcpy(&a, c->parm.num, sizeof(ulong)); | |
1165 | arg = (char __user *)a; | |
1166 | switch (c->arg) { | |
1167 | case ICN_IOCTL_SETMMIO: | |
1168 | if (dev.memaddr != (a & 0x0ffc000)) { | |
1169 | if (!request_mem_region(a & 0x0ffc000, 0x4000, "icn-isdn (all cards)")) { | |
1170 | printk(KERN_WARNING | |
1171 | "icn: memory at 0x%08lx in use.\n", | |
1172 | a & 0x0ffc000); | |
1173 | return -EINVAL; | |
1174 | } | |
1175 | release_mem_region(a & 0x0ffc000, 0x4000); | |
1176 | icn_stopallcards(); | |
1177 | spin_lock_irqsave(&card->lock, flags); | |
1178 | if (dev.mvalid) { | |
1179 | iounmap(dev.shmem); | |
1180 | release_mem_region(dev.memaddr, 0x4000); | |
1181 | } | |
1182 | dev.mvalid = 0; | |
1183 | dev.memaddr = a & 0x0ffc000; | |
1184 | spin_unlock_irqrestore(&card->lock, flags); | |
1185 | printk(KERN_INFO | |
1186 | "icn: (%s) mmio set to 0x%08lx\n", | |
1187 | CID, | |
1188 | dev.memaddr); | |
1189 | } | |
1190 | break; | |
1191 | case ICN_IOCTL_GETMMIO: | |
1192 | return (long) dev.memaddr; | |
1193 | case ICN_IOCTL_SETPORT: | |
1194 | if (a == 0x300 || a == 0x310 || a == 0x320 || a == 0x330 | |
1195 | || a == 0x340 || a == 0x350 || a == 0x360 || | |
1196 | a == 0x308 || a == 0x318 || a == 0x328 || a == 0x338 | |
1197 | || a == 0x348 || a == 0x358 || a == 0x368) { | |
1198 | if (card->port != (unsigned short) a) { | |
1199 | if (!request_region((unsigned short) a, ICN_PORTLEN, "icn-isdn")) { | |
1200 | printk(KERN_WARNING | |
1201 | "icn: (%s) ports 0x%03x-0x%03x in use.\n", | |
1202 | CID, (int) a, (int) a + ICN_PORTLEN); | |
1203 | return -EINVAL; | |
1204 | } | |
1205 | release_region((unsigned short) a, ICN_PORTLEN); | |
1206 | icn_stopcard(card); | |
1207 | spin_lock_irqsave(&card->lock, flags); | |
1208 | if (card->rvalid) | |
1209 | release_region(card->port, ICN_PORTLEN); | |
1210 | card->port = (unsigned short) a; | |
1211 | card->rvalid = 0; | |
1212 | if (card->doubleS0) { | |
1213 | card->other->port = (unsigned short) a; | |
1214 | card->other->rvalid = 0; | |
1215 | } | |
1216 | spin_unlock_irqrestore(&card->lock, flags); | |
1217 | printk(KERN_INFO | |
1218 | "icn: (%s) port set to 0x%03x\n", | |
1219 | CID, card->port); | |
1220 | } | |
1221 | } else | |
1222 | return -EINVAL; | |
1223 | break; | |
1224 | case ICN_IOCTL_GETPORT: | |
1225 | return (int) card->port; | |
1226 | case ICN_IOCTL_GETDOUBLE: | |
1227 | return (int) card->doubleS0; | |
1228 | case ICN_IOCTL_DEBUGVAR: | |
1229 | if (copy_to_user(arg, | |
1230 | &card, | |
1231 | sizeof(ulong))) | |
1232 | return -EFAULT; | |
1233 | a += sizeof(ulong); | |
1234 | { | |
1235 | ulong l = (ulong) & dev; | |
1236 | if (copy_to_user(arg, | |
1237 | &l, | |
1238 | sizeof(ulong))) | |
1239 | return -EFAULT; | |
1240 | } | |
1241 | return 0; | |
1242 | case ICN_IOCTL_LOADBOOT: | |
1243 | if (dev.firstload) { | |
1244 | icn_disable_cards(); | |
1245 | dev.firstload = 0; | |
1246 | } | |
1247 | icn_stopcard(card); | |
1248 | return (icn_loadboot(arg, card)); | |
1249 | case ICN_IOCTL_LOADPROTO: | |
1250 | icn_stopcard(card); | |
1251 | if ((i = (icn_loadproto(arg, card)))) | |
1252 | return i; | |
1253 | if (card->doubleS0) | |
1254 | i = icn_loadproto(arg + ICN_CODE_STAGE2, card->other); | |
1255 | return i; | |
1256 | break; | |
1257 | case ICN_IOCTL_ADDCARD: | |
1258 | if (!dev.firstload) | |
1259 | return -EBUSY; | |
1260 | if (copy_from_user(&cdef, | |
1261 | arg, | |
1262 | sizeof(cdef))) | |
1263 | return -EFAULT; | |
1264 | return (icn_addcard(cdef.port, cdef.id1, cdef.id2)); | |
1265 | break; | |
1266 | case ICN_IOCTL_LEASEDCFG: | |
1267 | if (a) { | |
1268 | if (!card->leased) { | |
1269 | card->leased = 1; | |
1270 | while (card->ptype == ISDN_PTYPE_UNKNOWN) { | |
1271 | msleep_interruptible(ICN_BOOT_TIMEOUT1); | |
1272 | } | |
1273 | msleep_interruptible(ICN_BOOT_TIMEOUT1); | |
1274 | sprintf(cbuf, "00;FV2ON\n01;EAZ%c\n02;EAZ%c\n", | |
1275 | (a & 1)?'1':'C', (a & 2)?'2':'C'); | |
1276 | i = icn_writecmd(cbuf, strlen(cbuf), 0, card); | |
1277 | printk(KERN_INFO | |
1278 | "icn: (%s) Leased-line mode enabled\n", | |
1279 | CID); | |
1280 | cmd.command = ISDN_STAT_RUN; | |
1281 | cmd.driver = card->myid; | |
1282 | cmd.arg = 0; | |
1283 | card->interface.statcallb(&cmd); | |
1284 | } | |
1285 | } else { | |
1286 | if (card->leased) { | |
1287 | card->leased = 0; | |
1288 | sprintf(cbuf, "00;FV2OFF\n"); | |
1289 | i = icn_writecmd(cbuf, strlen(cbuf), 0, card); | |
1290 | printk(KERN_INFO | |
1291 | "icn: (%s) Leased-line mode disabled\n", | |
1292 | CID); | |
1293 | cmd.command = ISDN_STAT_RUN; | |
1294 | cmd.driver = card->myid; | |
1295 | cmd.arg = 0; | |
1296 | card->interface.statcallb(&cmd); | |
1297 | } | |
1298 | } | |
1299 | return 0; | |
1300 | default: | |
1301 | return -EINVAL; | |
1302 | } | |
1303 | break; | |
1304 | case ISDN_CMD_DIAL: | |
eaa0ff15 | 1305 | if (!(card->flags & ICN_FLAGS_RUNNING)) |
1da177e4 LT |
1306 | return -ENODEV; |
1307 | if (card->leased) | |
1308 | break; | |
1309 | if ((c->arg & 255) < ICN_BCH) { | |
1310 | char *p; | |
1311 | char dial[50]; | |
1312 | char dcode[4]; | |
1313 | ||
1314 | a = c->arg; | |
1315 | p = c->parm.setup.phone; | |
1316 | if (*p == 's' || *p == 'S') { | |
1317 | /* Dial for SPV */ | |
1318 | p++; | |
1319 | strcpy(dcode, "SCA"); | |
1320 | } else | |
1321 | /* Normal Dial */ | |
1322 | strcpy(dcode, "CAL"); | |
1323 | strcpy(dial, p); | |
1324 | sprintf(cbuf, "%02d;D%s_R%s,%02d,%02d,%s\n", (int) (a + 1), | |
1325 | dcode, dial, c->parm.setup.si1, | |
1326 | c->parm.setup.si2, c->parm.setup.eazmsn); | |
1327 | i = icn_writecmd(cbuf, strlen(cbuf), 0, card); | |
1328 | } | |
1329 | break; | |
1330 | case ISDN_CMD_ACCEPTD: | |
eaa0ff15 | 1331 | if (!(card->flags & ICN_FLAGS_RUNNING)) |
1da177e4 LT |
1332 | return -ENODEV; |
1333 | if (c->arg < ICN_BCH) { | |
1334 | a = c->arg + 1; | |
1335 | if (card->fw_rev >= 300) { | |
1336 | switch (card->l2_proto[a - 1]) { | |
1337 | case ISDN_PROTO_L2_X75I: | |
1338 | sprintf(cbuf, "%02d;BX75\n", (int) a); | |
1339 | break; | |
1340 | case ISDN_PROTO_L2_HDLC: | |
1341 | sprintf(cbuf, "%02d;BTRA\n", (int) a); | |
1342 | break; | |
1343 | } | |
1344 | i = icn_writecmd(cbuf, strlen(cbuf), 0, card); | |
1345 | } | |
1346 | sprintf(cbuf, "%02d;DCON_R\n", (int) a); | |
1347 | i = icn_writecmd(cbuf, strlen(cbuf), 0, card); | |
1348 | } | |
1349 | break; | |
1350 | case ISDN_CMD_ACCEPTB: | |
eaa0ff15 | 1351 | if (!(card->flags & ICN_FLAGS_RUNNING)) |
1da177e4 LT |
1352 | return -ENODEV; |
1353 | if (c->arg < ICN_BCH) { | |
1354 | a = c->arg + 1; | |
1355 | if (card->fw_rev >= 300) | |
1356 | switch (card->l2_proto[a - 1]) { | |
1357 | case ISDN_PROTO_L2_X75I: | |
1358 | sprintf(cbuf, "%02d;BCON_R,BX75\n", (int) a); | |
1359 | break; | |
1360 | case ISDN_PROTO_L2_HDLC: | |
1361 | sprintf(cbuf, "%02d;BCON_R,BTRA\n", (int) a); | |
1362 | break; | |
1363 | } else | |
1364 | sprintf(cbuf, "%02d;BCON_R\n", (int) a); | |
1365 | i = icn_writecmd(cbuf, strlen(cbuf), 0, card); | |
1366 | } | |
1367 | break; | |
1368 | case ISDN_CMD_HANGUP: | |
eaa0ff15 | 1369 | if (!(card->flags & ICN_FLAGS_RUNNING)) |
1da177e4 LT |
1370 | return -ENODEV; |
1371 | if (c->arg < ICN_BCH) { | |
1372 | a = c->arg + 1; | |
1373 | sprintf(cbuf, "%02d;BDIS_R\n%02d;DDIS_R\n", (int) a, (int) a); | |
1374 | i = icn_writecmd(cbuf, strlen(cbuf), 0, card); | |
1375 | } | |
1376 | break; | |
1377 | case ISDN_CMD_SETEAZ: | |
eaa0ff15 | 1378 | if (!(card->flags & ICN_FLAGS_RUNNING)) |
1da177e4 LT |
1379 | return -ENODEV; |
1380 | if (card->leased) | |
1381 | break; | |
1382 | if (c->arg < ICN_BCH) { | |
1383 | a = c->arg + 1; | |
1384 | if (card->ptype == ISDN_PTYPE_EURO) { | |
1385 | sprintf(cbuf, "%02d;MS%s%s\n", (int) a, | |
1386 | c->parm.num[0] ? "N" : "ALL", c->parm.num); | |
1387 | } else | |
1388 | sprintf(cbuf, "%02d;EAZ%s\n", (int) a, | |
1389 | c->parm.num[0] ? (char *)(c->parm.num) : "0123456789"); | |
1390 | i = icn_writecmd(cbuf, strlen(cbuf), 0, card); | |
1391 | } | |
1392 | break; | |
1393 | case ISDN_CMD_CLREAZ: | |
eaa0ff15 | 1394 | if (!(card->flags & ICN_FLAGS_RUNNING)) |
1da177e4 LT |
1395 | return -ENODEV; |
1396 | if (card->leased) | |
1397 | break; | |
1398 | if (c->arg < ICN_BCH) { | |
1399 | a = c->arg + 1; | |
1400 | if (card->ptype == ISDN_PTYPE_EURO) | |
1401 | sprintf(cbuf, "%02d;MSNC\n", (int) a); | |
1402 | else | |
1403 | sprintf(cbuf, "%02d;EAZC\n", (int) a); | |
1404 | i = icn_writecmd(cbuf, strlen(cbuf), 0, card); | |
1405 | } | |
1406 | break; | |
1407 | case ISDN_CMD_SETL2: | |
eaa0ff15 | 1408 | if (!(card->flags & ICN_FLAGS_RUNNING)) |
1da177e4 LT |
1409 | return -ENODEV; |
1410 | if ((c->arg & 255) < ICN_BCH) { | |
1411 | a = c->arg; | |
1412 | switch (a >> 8) { | |
1413 | case ISDN_PROTO_L2_X75I: | |
1414 | sprintf(cbuf, "%02d;BX75\n", (int) (a & 255) + 1); | |
1415 | break; | |
1416 | case ISDN_PROTO_L2_HDLC: | |
1417 | sprintf(cbuf, "%02d;BTRA\n", (int) (a & 255) + 1); | |
1418 | break; | |
1419 | default: | |
1420 | return -EINVAL; | |
1421 | } | |
1422 | i = icn_writecmd(cbuf, strlen(cbuf), 0, card); | |
1423 | card->l2_proto[a & 255] = (a >> 8); | |
1424 | } | |
1425 | break; | |
1426 | case ISDN_CMD_SETL3: | |
eaa0ff15 | 1427 | if (!(card->flags & ICN_FLAGS_RUNNING)) |
1da177e4 LT |
1428 | return -ENODEV; |
1429 | return 0; | |
1430 | default: | |
1431 | return -EINVAL; | |
1432 | } | |
1433 | return 0; | |
1434 | } | |
1435 | ||
1436 | /* | |
1437 | * Find card with given driverId | |
1438 | */ | |
1439 | static inline icn_card * | |
1440 | icn_findcard(int driverid) | |
1441 | { | |
1442 | icn_card *p = cards; | |
1443 | ||
1444 | while (p) { | |
1445 | if (p->myid == driverid) | |
1446 | return p; | |
1447 | p = p->next; | |
1448 | } | |
1449 | return (icn_card *) 0; | |
1450 | } | |
1451 | ||
1452 | /* | |
1453 | * Wrapper functions for interface to linklevel | |
1454 | */ | |
1455 | static int | |
1456 | if_command(isdn_ctrl * c) | |
1457 | { | |
1458 | icn_card *card = icn_findcard(c->driver); | |
1459 | ||
1460 | if (card) | |
1461 | return (icn_command(c, card)); | |
1462 | printk(KERN_ERR | |
1463 | "icn: if_command %d called with invalid driverId %d!\n", | |
1464 | c->command, c->driver); | |
1465 | return -ENODEV; | |
1466 | } | |
1467 | ||
1468 | static int | |
1469 | if_writecmd(const u_char __user *buf, int len, int id, int channel) | |
1470 | { | |
1471 | icn_card *card = icn_findcard(id); | |
1472 | ||
1473 | if (card) { | |
eaa0ff15 | 1474 | if (!(card->flags & ICN_FLAGS_RUNNING)) |
1da177e4 LT |
1475 | return -ENODEV; |
1476 | return (icn_writecmd(buf, len, 1, card)); | |
1477 | } | |
1478 | printk(KERN_ERR | |
1479 | "icn: if_writecmd called with invalid driverId!\n"); | |
1480 | return -ENODEV; | |
1481 | } | |
1482 | ||
1483 | static int | |
1484 | if_readstatus(u_char __user *buf, int len, int id, int channel) | |
1485 | { | |
1486 | icn_card *card = icn_findcard(id); | |
1487 | ||
1488 | if (card) { | |
eaa0ff15 | 1489 | if (!(card->flags & ICN_FLAGS_RUNNING)) |
1da177e4 LT |
1490 | return -ENODEV; |
1491 | return (icn_readstatus(buf, len, card)); | |
1492 | } | |
1493 | printk(KERN_ERR | |
1494 | "icn: if_readstatus called with invalid driverId!\n"); | |
1495 | return -ENODEV; | |
1496 | } | |
1497 | ||
1498 | static int | |
1499 | if_sendbuf(int id, int channel, int ack, struct sk_buff *skb) | |
1500 | { | |
1501 | icn_card *card = icn_findcard(id); | |
1502 | ||
1503 | if (card) { | |
eaa0ff15 | 1504 | if (!(card->flags & ICN_FLAGS_RUNNING)) |
1da177e4 LT |
1505 | return -ENODEV; |
1506 | return (icn_sendbuf(channel, ack, skb, card)); | |
1507 | } | |
1508 | printk(KERN_ERR | |
1509 | "icn: if_sendbuf called with invalid driverId!\n"); | |
1510 | return -ENODEV; | |
1511 | } | |
1512 | ||
1513 | /* | |
1514 | * Allocate a new card-struct, initialize it | |
1515 | * link it into cards-list and register it at linklevel. | |
1516 | */ | |
1517 | static icn_card * | |
1518 | icn_initcard(int port, char *id) | |
1519 | { | |
1520 | icn_card *card; | |
1521 | int i; | |
1522 | ||
41f96935 | 1523 | if (!(card = kzalloc(sizeof(icn_card), GFP_KERNEL))) { |
1da177e4 LT |
1524 | printk(KERN_WARNING |
1525 | "icn: (%s) Could not allocate card-struct.\n", id); | |
1526 | return (icn_card *) 0; | |
1527 | } | |
1da177e4 LT |
1528 | spin_lock_init(&card->lock); |
1529 | card->port = port; | |
1530 | card->interface.owner = THIS_MODULE; | |
1531 | card->interface.hl_hdrlen = 1; | |
1532 | card->interface.channels = ICN_BCH; | |
1533 | card->interface.maxbufsize = 4000; | |
1534 | card->interface.command = if_command; | |
1535 | card->interface.writebuf_skb = if_sendbuf; | |
1536 | card->interface.writecmd = if_writecmd; | |
1537 | card->interface.readstat = if_readstatus; | |
1538 | card->interface.features = ISDN_FEATURE_L2_X75I | | |
1539 | ISDN_FEATURE_L2_HDLC | | |
1540 | ISDN_FEATURE_L3_TRANS | | |
1541 | ISDN_FEATURE_P_UNKNOWN; | |
1542 | card->ptype = ISDN_PTYPE_UNKNOWN; | |
1543 | strlcpy(card->interface.id, id, sizeof(card->interface.id)); | |
1544 | card->msg_buf_write = card->msg_buf; | |
1545 | card->msg_buf_read = card->msg_buf; | |
1546 | card->msg_buf_end = &card->msg_buf[sizeof(card->msg_buf) - 1]; | |
1547 | for (i = 0; i < ICN_BCH; i++) { | |
1548 | card->l2_proto[i] = ISDN_PROTO_L2_X75I; | |
1549 | skb_queue_head_init(&card->spqueue[i]); | |
1550 | } | |
1551 | card->next = cards; | |
1552 | cards = card; | |
1553 | if (!register_isdn(&card->interface)) { | |
1554 | cards = cards->next; | |
1555 | printk(KERN_WARNING | |
1556 | "icn: Unable to register %s\n", id); | |
1557 | kfree(card); | |
1558 | return (icn_card *) 0; | |
1559 | } | |
1560 | card->myid = card->interface.channels; | |
1561 | sprintf(card->regname, "icn-isdn (%s)", card->interface.id); | |
1562 | return card; | |
1563 | } | |
1564 | ||
1565 | static int | |
1566 | icn_addcard(int port, char *id1, char *id2) | |
1567 | { | |
1568 | icn_card *card; | |
1569 | icn_card *card2; | |
1570 | ||
1571 | if (!(card = icn_initcard(port, id1))) { | |
1572 | return -EIO; | |
1573 | } | |
1574 | if (!strlen(id2)) { | |
1575 | printk(KERN_INFO | |
1576 | "icn: (%s) ICN-2B, port 0x%x added\n", | |
1577 | card->interface.id, port); | |
1578 | return 0; | |
1579 | } | |
1580 | if (!(card2 = icn_initcard(port, id2))) { | |
1581 | printk(KERN_INFO | |
1582 | "icn: (%s) half ICN-4B, port 0x%x added\n", | |
1583 | card2->interface.id, port); | |
1584 | return 0; | |
1585 | } | |
1586 | card->doubleS0 = 1; | |
1587 | card->secondhalf = 0; | |
1588 | card->other = card2; | |
1589 | card2->doubleS0 = 1; | |
1590 | card2->secondhalf = 1; | |
1591 | card2->other = card; | |
1592 | printk(KERN_INFO | |
1593 | "icn: (%s and %s) ICN-4B, port 0x%x added\n", | |
1594 | card->interface.id, card2->interface.id, port); | |
1595 | return 0; | |
1596 | } | |
1597 | ||
1598 | #ifndef MODULE | |
1599 | static int __init | |
1600 | icn_setup(char *line) | |
1601 | { | |
1602 | char *p, *str; | |
1603 | int ints[3]; | |
1604 | static char sid[20]; | |
1605 | static char sid2[20]; | |
1606 | ||
1607 | str = get_options(line, 2, ints); | |
1608 | if (ints[0]) | |
1609 | portbase = ints[1]; | |
1610 | if (ints[0] > 1) | |
1611 | membase = (unsigned long)ints[2]; | |
1612 | if (str && *str) { | |
1613 | strcpy(sid, str); | |
1614 | icn_id = sid; | |
1615 | if ((p = strchr(sid, ','))) { | |
1616 | *p++ = 0; | |
1617 | strcpy(sid2, p); | |
1618 | icn_id2 = sid2; | |
1619 | } | |
1620 | } | |
1621 | return(1); | |
1622 | } | |
1623 | __setup("icn=", icn_setup); | |
1624 | #endif /* MODULE */ | |
1625 | ||
1626 | static int __init icn_init(void) | |
1627 | { | |
1628 | char *p; | |
1629 | char rev[10]; | |
1630 | ||
1631 | memset(&dev, 0, sizeof(icn_dev)); | |
1632 | dev.memaddr = (membase & 0x0ffc000); | |
1633 | dev.channel = -1; | |
1634 | dev.mcard = NULL; | |
1635 | dev.firstload = 1; | |
1636 | spin_lock_init(&dev.devlock); | |
1637 | ||
1638 | if ((p = strchr(revision, ':'))) { | |
1639 | strcpy(rev, p + 1); | |
1640 | p = strchr(rev, '$'); | |
1641 | *p = 0; | |
1642 | } else | |
1643 | strcpy(rev, " ??? "); | |
1644 | printk(KERN_NOTICE "ICN-ISDN-driver Rev%smem=0x%08lx\n", rev, | |
1645 | dev.memaddr); | |
1646 | return (icn_addcard(portbase, icn_id, icn_id2)); | |
1647 | } | |
1648 | ||
1649 | static void __exit icn_exit(void) | |
1650 | { | |
1651 | isdn_ctrl cmd; | |
1652 | icn_card *card = cards; | |
138b9dd1 | 1653 | icn_card *last, *tmpcard; |
1da177e4 LT |
1654 | int i; |
1655 | unsigned long flags; | |
1656 | ||
1657 | icn_stopallcards(); | |
1658 | while (card) { | |
1659 | cmd.command = ISDN_STAT_UNLOAD; | |
1660 | cmd.driver = card->myid; | |
1661 | card->interface.statcallb(&cmd); | |
1662 | spin_lock_irqsave(&card->lock, flags); | |
1663 | if (card->rvalid) { | |
1664 | OUTB_P(0, ICN_RUN); /* Reset Controller */ | |
1665 | OUTB_P(0, ICN_MAPRAM); /* Disable RAM */ | |
1666 | if (card->secondhalf || (!card->doubleS0)) { | |
1667 | release_region(card->port, ICN_PORTLEN); | |
1668 | card->rvalid = 0; | |
1669 | } | |
1670 | for (i = 0; i < ICN_BCH; i++) | |
1671 | icn_free_queue(card, i); | |
1672 | } | |
138b9dd1 | 1673 | tmpcard = card->next; |
1da177e4 | 1674 | spin_unlock_irqrestore(&card->lock, flags); |
138b9dd1 | 1675 | card = tmpcard; |
1da177e4 LT |
1676 | } |
1677 | card = cards; | |
1678 | cards = NULL; | |
1679 | while (card) { | |
1680 | last = card; | |
1681 | card = card->next; | |
1682 | kfree(last); | |
1683 | } | |
1684 | if (dev.mvalid) { | |
1685 | iounmap(dev.shmem); | |
1686 | release_mem_region(dev.memaddr, 0x4000); | |
1687 | } | |
1688 | printk(KERN_NOTICE "ICN-ISDN-driver unloaded\n"); | |
1689 | } | |
1690 | ||
1691 | module_init(icn_init); | |
1692 | module_exit(icn_exit); |