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Merge tag 'sound-3.18-rc2' of git://git.kernel.org/pub/scm/linux/kernel/git/tiwai...
[linux-2.6-block.git] / drivers / isdn / i4l / isdn_ttyfax.c
CommitLineData
1da177e4
LT		 1/* $Id: isdn_ttyfax.c,v 1.1.2.2 2004/01/12 22:37:19 keil Exp $
2 *
3 * Linux ISDN subsystem, tty_fax AT-command emulator (linklevel).
4 *
5 * Copyright 1999 by Armin Schindler (mac@melware.de)
6 * Copyright 1999 by Ralf Spachmann (mel@melware.de)
7 * Copyright 1999 by Cytronics & Melware
8 *
9 * This software may be used and distributed according to the terms
10 * of the GNU General Public License, incorporated herein by reference.
11 *
12 */
13
14#undef ISDN_TTY_FAX_STAT_DEBUG
15#undef ISDN_TTY_FAX_CMD_DEBUG
16
17#include <linux/isdn.h>
18#include "isdn_common.h"
19#include "isdn_tty.h"
20#include "isdn_ttyfax.h"
21
22
23static char *isdn_tty_fax_revision = "$Revision: 1.1.2.2 $";
24
25#define PARSE_ERROR1 { isdn_tty_fax_modem_result(1, info); return 1; }
26
27static char *
28isdn_getrev(const char *revision)
29{
30 char *rev;
31 char *p;
32
33 if ((p = strchr(revision, ':'))) {
34 rev = p + 2;
35 p = strchr(rev, '$');
36 *--p = 0;
37 } else
38 rev = "???";
39 return rev;
40}
41
42/*
43 * Fax Class 2 Modem results
44 *
45 */
46
47static void
475be4d8 48isdn_tty_fax_modem_result(int code, modem_info *info)
1da177e4
LT		 49{
50 atemu *m = &info->emu;
51 T30_s *f = info->fax;
52 char rs[50];
53 char rss[50];
54 char *rp;
55 int i;
56 static char *msg[] =
475be4d8
JP		 57 {"OK", "ERROR", "+FCON", "+FCSI:", "+FDIS:",
58 "+FHNG:", "+FDCS:", "CONNECT", "+FTSI:",
59 "+FCFR", "+FPTS:", "+FET:"};
1da177e4
LT		 60
61
62 isdn_tty_at_cout("\r\n", info);
63 isdn_tty_at_cout(msg[code], info);
64
65#ifdef ISDN_TTY_FAX_CMD_DEBUG
66 printk(KERN_DEBUG "isdn_tty: Fax send %s on ttyI%d\n",
475be4d8 67 msg[code], info->line);
1da177e4
LT		 68#endif
69 switch (code) {
475be4d8
JP		 70 case 0: /* OK */
71 break;
72 case 1: /* ERROR */
73 break;
74 case 2: /* +FCON */
75 /* Append CPN, if enabled */
76 if ((m->mdmreg[REG_CPNFCON] & BIT_CPNFCON) &&
77 (!(dev->usage[info->isdn_channel] & ISDN_USAGE_OUTGOING))) {
78 sprintf(rs, "/%s", m->cpn);
1da177e4 79 isdn_tty_at_cout(rs, info);
475be4d8
JP		 80 }
81 info->online = 1;
82 f->fet = 0;
83 if (f->phase == ISDN_FAX_PHASE_A)
84 f->phase = ISDN_FAX_PHASE_B;
85 break;
86 case 3: /* +FCSI */
87 case 8: /* +FTSI */
88 sprintf(rs, "\"%s\"", f->r_id);
89 isdn_tty_at_cout(rs, info);
90 break;
91 case 4: /* +FDIS */
92 rs[0] = 0;
93 rp = &f->r_resolution;
94 for (i = 0; i < 8; i++) {
95 sprintf(rss, "%c%s", rp[i] + 48,
96 (i < 7) ? "," : "");
97 strcat(rs, rss);
98 }
99 isdn_tty_at_cout(rs, info);
1da177e4 100#ifdef ISDN_TTY_FAX_CMD_DEBUG
475be4d8
JP		 101 printk(KERN_DEBUG "isdn_tty: Fax DIS=%s on ttyI%d\n",
102 rs, info->line);
1da177e4 103#endif
475be4d8
JP		 104 break;
105 case 5: /* +FHNG */
106 sprintf(rs, "%d", f->code);
107 isdn_tty_at_cout(rs, info);
108 info->faxonline = 0;
109 break;
110 case 6: /* +FDCS */
111 rs[0] = 0;
112 rp = &f->r_resolution;
113 for (i = 0; i < 8; i++) {
114 sprintf(rss, "%c%s", rp[i] + 48,
115 (i < 7) ? "," : "");
116 strcat(rs, rss);
117 }
118 isdn_tty_at_cout(rs, info);
1da177e4 119#ifdef ISDN_TTY_FAX_CMD_DEBUG
475be4d8
JP		 120 printk(KERN_DEBUG "isdn_tty: Fax DCS=%s on ttyI%d\n",
121 rs, info->line);
1da177e4 122#endif
475be4d8
JP		 123 break;
124 case 7: /* CONNECT */
125 info->faxonline |= 2;
126 break;
127 case 9: /* FCFR */
128 break;
129 case 10: /* FPTS */
130 isdn_tty_at_cout("1", info);
131 break;
132 case 11: /* FET */
133 sprintf(rs, "%d", f->fet);
134 isdn_tty_at_cout(rs, info);
135 break;
1da177e4
LT		 136 }
137
138 isdn_tty_at_cout("\r\n", info);
139
140 switch (code) {
475be4d8
JP		 141 case 7: /* CONNECT */
142 info->online = 2;
143 if (info->faxonline & 1) {
144 sprintf(rs, "%c", XON);
145 isdn_tty_at_cout(rs, info);
146 }
147 break;
1da177e4
LT		 148 }
149}
150
3e206b0a 151static int
475be4d8 152isdn_tty_fax_command1(modem_info *info, isdn_ctrl *c)
1da177e4
LT		 153{
154 static char *msg[] =
475be4d8 155 {"OK", "CONNECT", "NO CARRIER", "ERROR", "FCERROR"};
1da177e4
LT		 156
157#ifdef ISDN_TTY_FAX_CMD_DEBUG
158 printk(KERN_DEBUG "isdn_tty: FCLASS1 cmd(%d)\n", c->parm.aux.cmd);
159#endif
160 if (c->parm.aux.cmd < ISDN_FAX_CLASS1_QUERY) {
161 if (info->online)
162 info->online = 1;
163 isdn_tty_at_cout("\r\n", info);
164 isdn_tty_at_cout(msg[c->parm.aux.cmd], info);
165 isdn_tty_at_cout("\r\n", info);
166 }
167 switch (c->parm.aux.cmd) {
475be4d8
JP		 168 case ISDN_FAX_CLASS1_CONNECT:
169 info->online = 2;
170 break;
171 case ISDN_FAX_CLASS1_OK:
172 case ISDN_FAX_CLASS1_FCERROR:
173 case ISDN_FAX_CLASS1_ERROR:
174 case ISDN_FAX_CLASS1_NOCARR:
175 break;
176 case ISDN_FAX_CLASS1_QUERY:
177 isdn_tty_at_cout("\r\n", info);
178 if (!c->parm.aux.para[0]) {
179 isdn_tty_at_cout(msg[ISDN_FAX_CLASS1_ERROR], info);
1da177e4 180 isdn_tty_at_cout("\r\n", info);
475be4d8
JP		 181 } else {
182 isdn_tty_at_cout(c->parm.aux.para, info);
183 isdn_tty_at_cout("\r\nOK\r\n", info);
184 }
185 break;
1da177e4
LT		 186 }
187 return (0);
188}
189
190int
475be4d8 191isdn_tty_fax_command(modem_info *info, isdn_ctrl *c)
1da177e4
LT		 192{
193 T30_s *f = info->fax;
194 char rs[10];
195
196 if (TTY_IS_FCLASS1(info))
197 return (isdn_tty_fax_command1(info, c));
198
199#ifdef ISDN_TTY_FAX_CMD_DEBUG
200 printk(KERN_DEBUG "isdn_tty: Fax cmd %d on ttyI%d\n",
201 f->r_code, info->line);
202#endif
203 switch (f->r_code) {
475be4d8
JP		 204 case ISDN_TTY_FAX_FCON:
205 info->faxonline = 1;
206 isdn_tty_fax_modem_result(2, info); /* +FCON */
207 return (0);
208 case ISDN_TTY_FAX_FCON_I:
209 info->faxonline = 16;
210 isdn_tty_fax_modem_result(2, info); /* +FCON */
211 return (0);
212 case ISDN_TTY_FAX_RID:
213 if (info->faxonline & 1)
214 isdn_tty_fax_modem_result(3, info); /* +FCSI */
215 if (info->faxonline & 16)
216 isdn_tty_fax_modem_result(8, info); /* +FTSI */
217 return (0);
218 case ISDN_TTY_FAX_DIS:
219 isdn_tty_fax_modem_result(4, info); /* +FDIS */
220 return (0);
221 case ISDN_TTY_FAX_HNG:
222 if (f->phase == ISDN_FAX_PHASE_C) {
223 if (f->direction == ISDN_TTY_FAX_CONN_IN) {
224 sprintf(rs, "%c%c", DLE, ETX);
225 isdn_tty_at_cout(rs, info);
226 } else {
227 sprintf(rs, "%c", 0x18);
228 isdn_tty_at_cout(rs, info);
1da177e4 229 }
1da177e4
LT		 230 info->faxonline &= ~2; /* leave data mode */
231 info->online = 1;
475be4d8
JP		 232 }
233 f->phase = ISDN_FAX_PHASE_E;
234 isdn_tty_fax_modem_result(5, info); /* +FHNG */
235 isdn_tty_fax_modem_result(0, info); /* OK */
236 return (0);
237 case ISDN_TTY_FAX_DCS:
238 isdn_tty_fax_modem_result(6, info); /* +FDCS */
239 isdn_tty_fax_modem_result(7, info); /* CONNECT */
240 f->phase = ISDN_FAX_PHASE_C;
241 return (0);
242 case ISDN_TTY_FAX_TRAIN_OK:
243 isdn_tty_fax_modem_result(6, info); /* +FDCS */
244 isdn_tty_fax_modem_result(0, info); /* OK */
245 return (0);
246 case ISDN_TTY_FAX_SENT:
247 isdn_tty_fax_modem_result(0, info); /* OK */
248 return (0);
249 case ISDN_TTY_FAX_CFR:
250 isdn_tty_fax_modem_result(9, info); /* +FCFR */
251 return (0);
252 case ISDN_TTY_FAX_ET:
253 sprintf(rs, "%c%c", DLE, ETX);
254 isdn_tty_at_cout(rs, info);
255 isdn_tty_fax_modem_result(10, info); /* +FPTS */
256 isdn_tty_fax_modem_result(11, info); /* +FET */
257 isdn_tty_fax_modem_result(0, info); /* OK */
258 info->faxonline &= ~2; /* leave data mode */
259 info->online = 1;
260 f->phase = ISDN_FAX_PHASE_D;
261 return (0);
262 case ISDN_TTY_FAX_PTS:
263 isdn_tty_fax_modem_result(10, info); /* +FPTS */
264 if (f->direction == ISDN_TTY_FAX_CONN_OUT) {
265 if (f->fet == 1)
266 f->phase = ISDN_FAX_PHASE_B;
267 if (f->fet == 0)
268 isdn_tty_fax_modem_result(0, info); /* OK */
269 }
270 return (0);
271 case ISDN_TTY_FAX_EOP:
272 info->faxonline &= ~2; /* leave data mode */
273 info->online = 1;
274 f->phase = ISDN_FAX_PHASE_D;
275 return (0);
1da177e4
LT		 276
277 }
278 return (-1);
279}
280
281
282void
475be4d8 283isdn_tty_fax_bitorder(modem_info *info, struct sk_buff *skb)
1da177e4
LT		 284{
285 __u8 LeftMask;
286 __u8 RightMask;
287 __u8 fBit;
288 __u8 Data;
289 int i;
290
291 if (!info->fax->bor) {
292 for (i = 0; i < skb->len; i++) {
293 Data = skb->data[i];
294 for (
475be4d8
JP		 295 LeftMask = 0x80, RightMask = 0x01;
296 LeftMask > RightMask;
297 LeftMask >>= 1, RightMask <<= 1
298 ) {
1da177e4
LT		 299 fBit = (Data & LeftMask);
300 if (Data & RightMask)
301 Data |= LeftMask;
302 else
303 Data &= ~LeftMask;
304 if (fBit)
305 Data |= RightMask;
306 else
307 Data &= ~RightMask;
308
309 }
310 skb->data[i] = Data;
311 }
312 }
313}
314
315/*
316 * Parse AT+F.. FAX class 1 commands
317 */
318
3e206b0a 319static int
475be4d8 320isdn_tty_cmd_FCLASS1(char **p, modem_info *info)
1da177e4
LT		 321{
322 static char *cmd[] =
475be4d8 323 {"AE", "TS", "RS", "TM", "RM", "TH", "RH"};
1da177e4
LT		 324 isdn_ctrl c;
325 int par, i;
326 u_long flags;
327
328 for (c.parm.aux.cmd = 0; c.parm.aux.cmd < 7; c.parm.aux.cmd++)
329 if (!strncmp(p[0], cmd[c.parm.aux.cmd], 2))
330 break;
331
332#ifdef ISDN_TTY_FAX_CMD_DEBUG
333 printk(KERN_DEBUG "isdn_tty_cmd_FCLASS1 (%s,%d)\n", p[0], c.parm.aux.cmd);
334#endif
335 if (c.parm.aux.cmd == 7)
336 PARSE_ERROR1;
337
338 p[0] += 2;
339 switch (*p[0]) {
475be4d8
JP		 340 case '?':
341 p[0]++;
342 c.parm.aux.subcmd = AT_QUERY;
343 break;
344 case '=':
345 p[0]++;
346 if (*p[0] == '?') {
1da177e4 347 p[0]++;
475be4d8
JP		 348 c.parm.aux.subcmd = AT_EQ_QUERY;
349 } else {
350 par = isdn_getnum(p);
351 if ((par < 0) || (par > 255))
352 PARSE_ERROR1;
353 c.parm.aux.subcmd = AT_EQ_VALUE;
354 c.parm.aux.para[0] = par;
355 }
356 break;
357 case 0:
358 c.parm.aux.subcmd = AT_COMMAND;
359 break;
360 default:
361 PARSE_ERROR1;
1da177e4
LT		 362 }
363 c.command = ISDN_CMD_FAXCMD;
364#ifdef ISDN_TTY_FAX_CMD_DEBUG
365 printk(KERN_DEBUG "isdn_tty_cmd_FCLASS1 %d/%d/%d)\n",
366 c.parm.aux.cmd, c.parm.aux.subcmd, c.parm.aux.para[0]);
367#endif
368 if (info->isdn_driver < 0) {
369 if ((c.parm.aux.subcmd == AT_EQ_VALUE) ||
370 (c.parm.aux.subcmd == AT_COMMAND)) {
371 PARSE_ERROR1;
372 }
373 spin_lock_irqsave(&dev->lock, flags);
374 /* get a temporary connection to the first free fax driver */
375 i = isdn_get_free_channel(ISDN_USAGE_FAX, ISDN_PROTO_L2_FAX,
376 ISDN_PROTO_L3_FCLASS1, -1, -1, "00");
377 if (i < 0) {
378 spin_unlock_irqrestore(&dev->lock, flags);
379 PARSE_ERROR1;
380 }
381 info->isdn_driver = dev->drvmap[i];
382 info->isdn_channel = dev->chanmap[i];
383 info->drv_index = i;
384 dev->m_idx[i] = info->line;
385 spin_unlock_irqrestore(&dev->lock, flags);
386 c.driver = info->isdn_driver;
387 c.arg = info->isdn_channel;
388 isdn_command(&c);
389 spin_lock_irqsave(&dev->lock, flags);
390 isdn_free_channel(info->isdn_driver, info->isdn_channel,
391 ISDN_USAGE_FAX);
392 info->isdn_driver = -1;
393 info->isdn_channel = -1;
394 if (info->drv_index >= 0) {
395 dev->m_idx[info->drv_index] = -1;
396 info->drv_index = -1;
397 }
398 spin_unlock_irqrestore(&dev->lock, flags);
399 } else {
400 c.driver = info->isdn_driver;
401 c.arg = info->isdn_channel;
402 isdn_command(&c);
403 }
404 return 1;
405}
406
407/*
408 * Parse AT+F.. FAX class 2 commands
409 */
410
3e206b0a 411static int
475be4d8 412isdn_tty_cmd_FCLASS2(char **p, modem_info *info)
1da177e4
LT		 413{
414 atemu *m = &info->emu;
415 T30_s *f = info->fax;
416 isdn_ctrl cmd;
417 int par;
418 char rs[50];
419 char rss[50];
420 int maxdccval[] =
475be4d8 421 {1, 5, 2, 2, 3, 2, 0, 7};
1da177e4
LT		 422
423 /* FAA still unchanged */
424 if (!strncmp(p[0], "AA", 2)) { /* TODO */
425 p[0] += 2;
426 switch (*p[0]) {
475be4d8
JP		 427 case '?':
428 p[0]++;
429 sprintf(rs, "\r\n%d", 0);
430 isdn_tty_at_cout(rs, info);
431 break;
432 case '=':
433 p[0]++;
434 par = isdn_getnum(p);
435 if ((par < 0) || (par > 255))
1da177e4 436 PARSE_ERROR1;
475be4d8
JP		 437 break;
438 default:
439 PARSE_ERROR1;
1da177e4
LT		 440 }
441 return 0;
442 }
443 /* BADLIN=value - dummy 0=disable errorchk disabled, 1-255 nr. of lines for making page bad */
444 if (!strncmp(p[0], "BADLIN", 6)) {
445 p[0] += 6;
446 switch (*p[0]) {
475be4d8
JP		 447 case '?':
448 p[0]++;
449 sprintf(rs, "\r\n%d", f->badlin);
450 isdn_tty_at_cout(rs, info);
451 break;
452 case '=':
453 p[0]++;
454 if (*p[0] == '?') {
1da177e4 455 p[0]++;
475be4d8 456 sprintf(rs, "\r\n0-255");
1da177e4 457 isdn_tty_at_cout(rs, info);
475be4d8
JP		 458 } else {
459 par = isdn_getnum(p);
460 if ((par < 0) || (par > 255))
461 PARSE_ERROR1;
462 f->badlin = par;
1da177e4 463#ifdef ISDN_TTY_FAX_STAT_DEBUG
475be4d8 464 printk(KERN_DEBUG "isdn_tty: Fax FBADLIN=%d\n", par);
1da177e4 465#endif
475be4d8
JP		 466 }
467 break;
468 default:
469 PARSE_ERROR1;
1da177e4
LT		 470 }
471 return 0;
472 }
af901ca1 473 /* BADMUL=value - dummy 0=disable errorchk disabled (threshold multiplier) */
1da177e4
LT		 474 if (!strncmp(p[0], "BADMUL", 6)) {
475 p[0] += 6;
476 switch (*p[0]) {
475be4d8
JP		 477 case '?':
478 p[0]++;
479 sprintf(rs, "\r\n%d", f->badmul);
480 isdn_tty_at_cout(rs, info);
481 break;
482 case '=':
483 p[0]++;
484 if (*p[0] == '?') {
1da177e4 485 p[0]++;
475be4d8 486 sprintf(rs, "\r\n0-255");
1da177e4 487 isdn_tty_at_cout(rs, info);
475be4d8
JP		 488 } else {
489 par = isdn_getnum(p);
490 if ((par < 0) || (par > 255))
491 PARSE_ERROR1;
492 f->badmul = par;
1da177e4 493#ifdef ISDN_TTY_FAX_STAT_DEBUG
475be4d8 494 printk(KERN_DEBUG "isdn_tty: Fax FBADMUL=%d\n", par);
1da177e4 495#endif
475be4d8
JP		 496 }
497 break;
498 default:
499 PARSE_ERROR1;
1da177e4
LT		 500 }
501 return 0;
502 }
503 /* BOR=n - Phase C bit order, 0=direct, 1=reverse */
504 if (!strncmp(p[0], "BOR", 3)) {
505 p[0] += 3;
506 switch (*p[0]) {
475be4d8
JP		 507 case '?':
508 p[0]++;
509 sprintf(rs, "\r\n%d", f->bor);
510 isdn_tty_at_cout(rs, info);
511 break;
512 case '=':
513 p[0]++;
514 if (*p[0] == '?') {
1da177e4 515 p[0]++;
475be4d8 516 sprintf(rs, "\r\n0,1");
1da177e4 517 isdn_tty_at_cout(rs, info);
475be4d8
JP		 518 } else {
519 par = isdn_getnum(p);
520 if ((par < 0) || (par > 1))
521 PARSE_ERROR1;
522 f->bor = par;
1da177e4 523#ifdef ISDN_TTY_FAX_STAT_DEBUG
475be4d8 524 printk(KERN_DEBUG "isdn_tty: Fax FBOR=%d\n", par);
1da177e4 525#endif
475be4d8
JP		 526 }
527 break;
528 default:
529 PARSE_ERROR1;
1da177e4
LT		 530 }
531 return 0;
532 }
533 /* NBC=n - No Best Capabilities */
534 if (!strncmp(p[0], "NBC", 3)) {
535 p[0] += 3;
536 switch (*p[0]) {
475be4d8
JP		 537 case '?':
538 p[0]++;
539 sprintf(rs, "\r\n%d", f->nbc);
540 isdn_tty_at_cout(rs, info);
541 break;
542 case '=':
543 p[0]++;
544 if (*p[0] == '?') {
1da177e4 545 p[0]++;
475be4d8 546 sprintf(rs, "\r\n0,1");
1da177e4 547 isdn_tty_at_cout(rs, info);
475be4d8
JP		 548 } else {
549 par = isdn_getnum(p);
550 if ((par < 0) || (par > 1))
551 PARSE_ERROR1;
552 f->nbc = par;
1da177e4 553#ifdef ISDN_TTY_FAX_STAT_DEBUG
475be4d8 554 printk(KERN_DEBUG "isdn_tty: Fax FNBC=%d\n", par);
1da177e4 555#endif
475be4d8
JP		 556 }
557 break;
558 default:
559 PARSE_ERROR1;
1da177e4
LT		 560 }
561 return 0;
562 }
563 /* BUF? - Readonly buffersize readout */
564 if (!strncmp(p[0], "BUF?", 4)) {
565 p[0] += 4;
566#ifdef ISDN_TTY_FAX_STAT_DEBUG
567 printk(KERN_DEBUG "isdn_tty: Fax FBUF? (%d) \n", (16 * m->mdmreg[REG_PSIZE]));
568#endif
569 p[0]++;
570 sprintf(rs, "\r\n %d ", (16 * m->mdmreg[REG_PSIZE]));
571 isdn_tty_at_cout(rs, info);
572 return 0;
573 }
574 /* CIG=string - local fax station id string for polling rx */
575 if (!strncmp(p[0], "CIG", 3)) {
576 int i, r;
577 p[0] += 3;
578 switch (*p[0]) {
475be4d8
JP		 579 case '?':
580 p[0]++;
581 sprintf(rs, "\r\n\"%s\"", f->pollid);
582 isdn_tty_at_cout(rs, info);
583 break;
584 case '=':
585 p[0]++;
586 if (*p[0] == '?') {
1da177e4 587 p[0]++;
475be4d8 588 sprintf(rs, "\r\n\"STRING\"");
1da177e4 589 isdn_tty_at_cout(rs, info);
475be4d8
JP		 590 } else {
591 if (*p[0] == '"')
1da177e4 592 p[0]++;
475be4d8
JP		 593 for (i = 0; (*p[0]) && i < (FAXIDLEN - 1) && (*p[0] != '"'); i++) {
594 f->pollid[i] = *p[0]++;
595 }
596 if (*p[0] == '"')
597 p[0]++;
598 for (r = i; r < FAXIDLEN; r++) {
599 f->pollid[r] = 32;
600 }
601 f->pollid[FAXIDLEN - 1] = 0;
1da177e4 602#ifdef ISDN_TTY_FAX_STAT_DEBUG
475be4d8 603 printk(KERN_DEBUG "isdn_tty: Fax local poll ID rx \"%s\"\n", f->pollid);
1da177e4 604#endif
475be4d8
JP		 605 }
606 break;
607 default:
608 PARSE_ERROR1;
1da177e4
LT		 609 }
610 return 0;
611 }
612 /* CQ=n - copy qlty chk, 0= no chk, 1=only 1D chk, 2=1D+2D chk */
613 if (!strncmp(p[0], "CQ", 2)) {
614 p[0] += 2;
615 switch (*p[0]) {
475be4d8
JP		 616 case '?':
617 p[0]++;
618 sprintf(rs, "\r\n%d", f->cq);
619 isdn_tty_at_cout(rs, info);
620 break;
621 case '=':
622 p[0]++;
623 if (*p[0] == '?') {
1da177e4 624 p[0]++;
475be4d8 625 sprintf(rs, "\r\n0,1,2");
1da177e4 626 isdn_tty_at_cout(rs, info);
475be4d8
JP		 627 } else {
628 par = isdn_getnum(p);
629 if ((par < 0) || (par > 2))
630 PARSE_ERROR1;
631 f->cq = par;
1da177e4 632#ifdef ISDN_TTY_FAX_STAT_DEBUG
475be4d8 633 printk(KERN_DEBUG "isdn_tty: Fax FCQ=%d\n", par);
1da177e4 634#endif
475be4d8
JP		 635 }
636 break;
637 default:
638 PARSE_ERROR1;
1da177e4
LT		 639 }
640 return 0;
641 }
642 /* CR=n - can receive? 0= no data rx or poll remote dev, 1=do receive data or poll remote dev */
643 if (!strncmp(p[0], "CR", 2)) {
644 p[0] += 2;
645 switch (*p[0]) {
475be4d8
JP		 646 case '?':
647 p[0]++;
648 sprintf(rs, "\r\n%d", f->cr); /* read actual value from struct and print */
649 isdn_tty_at_cout(rs, info);
650 break;
651 case '=':
652 p[0]++;
653 if (*p[0] == '?') {
1da177e4 654 p[0]++;
475be4d8 655 sprintf(rs, "\r\n0,1"); /* display online help */
1da177e4 656 isdn_tty_at_cout(rs, info);
475be4d8
JP		 657 } else {
658 par = isdn_getnum(p);
659 if ((par < 0) || (par > 1))
660 PARSE_ERROR1;
661 f->cr = par;
1da177e4 662#ifdef ISDN_TTY_FAX_STAT_DEBUG
475be4d8 663 printk(KERN_DEBUG "isdn_tty: Fax FCR=%d\n", par);
1da177e4 664#endif
475be4d8
JP		 665 }
666 break;
667 default:
668 PARSE_ERROR1;
1da177e4
LT		 669 }
670 return 0;
671 }
672 /* CTCRTY=value - ECM retry count */
673 if (!strncmp(p[0], "CTCRTY", 6)) {
674 p[0] += 6;
675 switch (*p[0]) {
475be4d8
JP		 676 case '?':
677 p[0]++;
678 sprintf(rs, "\r\n%d", f->ctcrty);
679 isdn_tty_at_cout(rs, info);
680 break;
681 case '=':
682 p[0]++;
683 if (*p[0] == '?') {
1da177e4 684 p[0]++;
475be4d8 685 sprintf(rs, "\r\n0-255");
1da177e4 686 isdn_tty_at_cout(rs, info);
475be4d8
JP		 687 } else {
688 par = isdn_getnum(p);
689 if ((par < 0) || (par > 255))
690 PARSE_ERROR1;
691 f->ctcrty = par;
1da177e4 692#ifdef ISDN_TTY_FAX_STAT_DEBUG
475be4d8 693 printk(KERN_DEBUG "isdn_tty: Fax FCTCRTY=%d\n", par);
1da177e4 694#endif
475be4d8
JP		 695 }
696 break;
697 default:
698 PARSE_ERROR1;
1da177e4
LT		 699 }
700 return 0;
701 }
702 /* DCC=vr,br,wd,ln,df,ec,bf,st - DCE capabilities parms */
703 if (!strncmp(p[0], "DCC", 3)) {
704 char *rp = &f->resolution;
705 int i;
706
707 p[0] += 3;
708 switch (*p[0]) {
475be4d8
JP		 709 case '?':
710 p[0]++;
711 strcpy(rs, "\r\n");
712 for (i = 0; i < 8; i++) {
713 sprintf(rss, "%c%s", rp[i] + 48,
714 (i < 7) ? "," : "");
715 strcat(rs, rss);
716 }
717 isdn_tty_at_cout(rs, info);
718 break;
719 case '=':
720 p[0]++;
721 if (*p[0] == '?') {
722 isdn_tty_at_cout("\r\n(0,1),(0-5),(0-2),(0-2),(0-3),(0-2),(0),(0-7)", info);
1da177e4 723 p[0]++;
475be4d8
JP		 724 } else {
725 for (i = 0; (((*p[0] >= '0') && (*p[0] <= '9')) || (*p[0] == ',')) && (i < 8); i++) {
726 if (*p[0] != ',') {
727 if ((*p[0] - 48) > maxdccval[i]) {
728 PARSE_ERROR1;
729 }
730 rp[i] = *p[0] - 48;
731 p[0]++;
732 if (*p[0] == ',')
1da177e4 733 p[0]++;
475be4d8
JP		 734 } else
735 p[0]++;
736 }
1da177e4 737#ifdef ISDN_TTY_FAX_STAT_DEBUG
475be4d8
JP		 738 printk(KERN_DEBUG "isdn_tty: Fax FDCC capabilities DCE=%d,%d,%d,%d,%d,%d,%d,%d\n",
739 rp[0], rp[1], rp[2], rp[3], rp[4], rp[5], rp[6], rp[7]);
1da177e4 740#endif
475be4d8
JP		 741 }
742 break;
743 default:
744 PARSE_ERROR1;
1da177e4
LT		 745 }
746 return 0;
747 }
748 /* DIS=vr,br,wd,ln,df,ec,bf,st - current session parms */
749 if (!strncmp(p[0], "DIS", 3)) {
750 char *rp = &f->resolution;
751 int i;
752
753 p[0] += 3;
754 switch (*p[0]) {
475be4d8
JP		 755 case '?':
756 p[0]++;
757 strcpy(rs, "\r\n");
758 for (i = 0; i < 8; i++) {
759 sprintf(rss, "%c%s", rp[i] + 48,
760 (i < 7) ? "," : "");
761 strcat(rs, rss);
762 }
763 isdn_tty_at_cout(rs, info);
764 break;
765 case '=':
766 p[0]++;
767 if (*p[0] == '?') {
768 isdn_tty_at_cout("\r\n(0,1),(0-5),(0-2),(0-2),(0-3),(0-2),(0),(0-7)", info);
1da177e4 769 p[0]++;
475be4d8
JP		 770 } else {
771 for (i = 0; (((*p[0] >= '0') && (*p[0] <= '9')) || (*p[0] == ',')) && (i < 8); i++) {
772 if (*p[0] != ',') {
773 if ((*p[0] - 48) > maxdccval[i]) {
774 PARSE_ERROR1;
775 }
776 rp[i] = *p[0] - 48;
777 p[0]++;
778 if (*p[0] == ',')
1da177e4 779 p[0]++;
475be4d8
JP		 780 } else
781 p[0]++;
782 }
1da177e4 783#ifdef ISDN_TTY_FAX_STAT_DEBUG
475be4d8
JP		 784 printk(KERN_DEBUG "isdn_tty: Fax FDIS session parms=%d,%d,%d,%d,%d,%d,%d,%d\n",
785 rp[0], rp[1], rp[2], rp[3], rp[4], rp[5], rp[6], rp[7]);
1da177e4 786#endif
475be4d8
JP		 787 }
788 break;
789 default:
790 PARSE_ERROR1;
1da177e4
LT		 791 }
792 return 0;
793 }
794 /* DR - Receive Phase C data command, initiates document reception */
795 if (!strncmp(p[0], "DR", 2)) {
796 p[0] += 2;
797 if ((info->faxonline & 16) && /* incoming connection */
798 ((f->phase == ISDN_FAX_PHASE_B) || (f->phase == ISDN_FAX_PHASE_D))) {
799#ifdef ISDN_TTY_FAX_STAT_DEBUG
800 printk(KERN_DEBUG "isdn_tty: Fax FDR\n");
801#endif
802 f->code = ISDN_TTY_FAX_DR;
803 cmd.driver = info->isdn_driver;
804 cmd.arg = info->isdn_channel;
805 cmd.command = ISDN_CMD_FAXCMD;
806 isdn_command(&cmd);
807 if (f->phase == ISDN_FAX_PHASE_B) {
808 f->phase = ISDN_FAX_PHASE_C;
809 } else if (f->phase == ISDN_FAX_PHASE_D) {
810 switch (f->fet) {
475be4d8
JP		 811 case 0: /* next page will be received */
812 f->phase = ISDN_FAX_PHASE_C;
813 isdn_tty_fax_modem_result(7, info); /* CONNECT */
814 break;
815 case 1: /* next doc will be received */
816 f->phase = ISDN_FAX_PHASE_B;
817 break;
818 case 2: /* fax session is terminating */
819 f->phase = ISDN_FAX_PHASE_E;
820 break;
821 default:
822 PARSE_ERROR1;
1da177e4
LT		 823 }
824 }
825 } else {
826 PARSE_ERROR1;
827 }
828 return 1;
829 }
830 /* DT=df,vr,wd,ln - TX phase C data command (release DCE to proceed with negotiation) */
831 if (!strncmp(p[0], "DT", 2)) {
832 int i, val[] =
475be4d8 833 {4, 0, 2, 3};
1da177e4
LT		 834 char *rp = &f->resolution;
835
836 p[0] += 2;
eaa0ff15 837 if (!(info->faxonline & 1)) /* not outgoing connection */
1da177e4
LT		 838 PARSE_ERROR1;
839
840 for (i = 0; (((*p[0] >= '0') && (*p[0] <= '9')) || (*p[0] == ',')) && (i < 4); i++) {
841 if (*p[0] != ',') {
842 if ((*p[0] - 48) > maxdccval[val[i]]) {
843 PARSE_ERROR1;
844 }
845 rp[val[i]] = *p[0] - 48;
846 p[0]++;
847 if (*p[0] == ',')
848 p[0]++;
849 } else
850 p[0]++;
851 }
852#ifdef ISDN_TTY_FAX_STAT_DEBUG
853 printk(KERN_DEBUG "isdn_tty: Fax FDT tx data command parms=%d,%d,%d,%d\n",
854 rp[4], rp[0], rp[2], rp[3]);
855#endif
856 if ((f->phase == ISDN_FAX_PHASE_B) || (f->phase == ISDN_FAX_PHASE_D)) {
857 f->code = ISDN_TTY_FAX_DT;
858 cmd.driver = info->isdn_driver;
859 cmd.arg = info->isdn_channel;
860 cmd.command = ISDN_CMD_FAXCMD;
861 isdn_command(&cmd);
862 if (f->phase == ISDN_FAX_PHASE_D) {
863 f->phase = ISDN_FAX_PHASE_C;
864 isdn_tty_fax_modem_result(7, info); /* CONNECT */
865 }
866 } else {
867 PARSE_ERROR1;
868 }
869 return 1;
870 }
871 /* ECM=n - Error mode control 0=disabled, 2=enabled, handled by DCE alone incl. buff of partial pages */
872 if (!strncmp(p[0], "ECM", 3)) {
873 p[0] += 3;
874 switch (*p[0]) {
475be4d8
JP		 875 case '?':
876 p[0]++;
877 sprintf(rs, "\r\n%d", f->ecm);
878 isdn_tty_at_cout(rs, info);
879 break;
880 case '=':
881 p[0]++;
882 if (*p[0] == '?') {
1da177e4 883 p[0]++;
475be4d8 884 sprintf(rs, "\r\n0,2");
1da177e4 885 isdn_tty_at_cout(rs, info);
475be4d8
JP		 886 } else {
887 par = isdn_getnum(p);
888 if ((par != 0) && (par != 2))
889 PARSE_ERROR1;
890 f->ecm = par;
1da177e4 891#ifdef ISDN_TTY_FAX_STAT_DEBUG
475be4d8 892 printk(KERN_DEBUG "isdn_tty: Fax FECM=%d\n", par);
1da177e4 893#endif
475be4d8
JP		 894 }
895 break;
896 default:
897 PARSE_ERROR1;
1da177e4
LT		 898 }
899 return 0;
900 }
901 /* ET=n - End of page or document */
902 if (!strncmp(p[0], "ET=", 3)) {
903 p[0] += 3;
904 if (*p[0] == '?') {
905 p[0]++;
906 sprintf(rs, "\r\n0-2");
907 isdn_tty_at_cout(rs, info);
908 } else {
ae91d60b
JL		 909 if ((f->phase != ISDN_FAX_PHASE_D) ||
910 (!(info->faxonline & 1)))
1da177e4
LT		 911 PARSE_ERROR1;
912 par = isdn_getnum(p);
913 if ((par < 0) || (par > 2))
914 PARSE_ERROR1;
915 f->fet = par;
916 f->code = ISDN_TTY_FAX_ET;
917 cmd.driver = info->isdn_driver;
918 cmd.arg = info->isdn_channel;
919 cmd.command = ISDN_CMD_FAXCMD;
920 isdn_command(&cmd);
921#ifdef ISDN_TTY_FAX_STAT_DEBUG
922 printk(KERN_DEBUG "isdn_tty: Fax FET=%d\n", par);
923#endif
924 return 1;
925 }
926 return 0;
927 }
928 /* K - terminate */
929 if (!strncmp(p[0], "K", 1)) {
930 p[0] += 1;
931 if ((f->phase == ISDN_FAX_PHASE_IDLE) || (f->phase == ISDN_FAX_PHASE_E))
932 PARSE_ERROR1;
933 isdn_tty_modem_hup(info, 1);
934 return 1;
935 }
936 /* LID=string - local fax ID */
937 if (!strncmp(p[0], "LID", 3)) {
938 int i, r;
939 p[0] += 3;
940 switch (*p[0]) {
475be4d8
JP		 941 case '?':
942 p[0]++;
943 sprintf(rs, "\r\n\"%s\"", f->id);
944 isdn_tty_at_cout(rs, info);
945 break;
946 case '=':
947 p[0]++;
948 if (*p[0] == '?') {
1da177e4 949 p[0]++;
475be4d8 950 sprintf(rs, "\r\n\"STRING\"");
1da177e4 951 isdn_tty_at_cout(rs, info);
475be4d8
JP		 952 } else {
953 if (*p[0] == '"')
1da177e4 954 p[0]++;
475be4d8
JP		 955 for (i = 0; (*p[0]) && i < (FAXIDLEN - 1) && (*p[0] != '"'); i++) {
956 f->id[i] = *p[0]++;
957 }
958 if (*p[0] == '"')
959 p[0]++;
960 for (r = i; r < FAXIDLEN; r++) {
961 f->id[r] = 32;
962 }
963 f->id[FAXIDLEN - 1] = 0;
1da177e4 964#ifdef ISDN_TTY_FAX_STAT_DEBUG
475be4d8 965 printk(KERN_DEBUG "isdn_tty: Fax local ID \"%s\"\n", f->id);
1da177e4 966#endif
475be4d8
JP		 967 }
968 break;
969 default:
970 PARSE_ERROR1;
1da177e4
LT		 971 }
972 return 0;
973 }
974
975 /* MDL? - DCE Model */
976 if (!strncmp(p[0], "MDL?", 4)) {
977 p[0] += 4;
978#ifdef ISDN_TTY_FAX_STAT_DEBUG
979 printk(KERN_DEBUG "isdn_tty: FMDL?\n");
980#endif
981 isdn_tty_at_cout("\r\nisdn4linux", info);
982 return 0;
983 }
984 /* MFR? - DCE Manufacturer */
985 if (!strncmp(p[0], "MFR?", 4)) {
986 p[0] += 4;
987#ifdef ISDN_TTY_FAX_STAT_DEBUG
988 printk(KERN_DEBUG "isdn_tty: FMFR?\n");
989#endif
990 isdn_tty_at_cout("\r\nisdn4linux", info);
991 return 0;
992 }
993 /* MINSP=n - Minimum Speed for Phase C */
994 if (!strncmp(p[0], "MINSP", 5)) {
995 p[0] += 5;
996 switch (*p[0]) {
475be4d8
JP		 997 case '?':
998 p[0]++;
999 sprintf(rs, "\r\n%d", f->minsp);
1000 isdn_tty_at_cout(rs, info);
1001 break;
1002 case '=':
1003 p[0]++;
1004 if (*p[0] == '?') {
1da177e4 1005 p[0]++;
475be4d8 1006 sprintf(rs, "\r\n0-5");
1da177e4 1007 isdn_tty_at_cout(rs, info);
475be4d8
JP		 1008 } else {
1009 par = isdn_getnum(p);
1010 if ((par < 0) || (par > 5))
1011 PARSE_ERROR1;
1012 f->minsp = par;
1da177e4 1013#ifdef ISDN_TTY_FAX_STAT_DEBUG
475be4d8 1014 printk(KERN_DEBUG "isdn_tty: Fax FMINSP=%d\n", par);
1da177e4 1015#endif
475be4d8
JP		 1016 }
1017 break;
1018 default:
1019 PARSE_ERROR1;
1da177e4
LT		 1020 }
1021 return 0;
1022 }
1023 /* PHCTO=value - DTE phase C timeout */
1024 if (!strncmp(p[0], "PHCTO", 5)) {
1025 p[0] += 5;
1026 switch (*p[0]) {
475be4d8
JP		 1027 case '?':
1028 p[0]++;
1029 sprintf(rs, "\r\n%d", f->phcto);
1030 isdn_tty_at_cout(rs, info);
1031 break;
1032 case '=':
1033 p[0]++;
1034 if (*p[0] == '?') {
1da177e4 1035 p[0]++;
475be4d8 1036 sprintf(rs, "\r\n0-255");
1da177e4 1037 isdn_tty_at_cout(rs, info);
475be4d8
JP		 1038 } else {
1039 par = isdn_getnum(p);
1040 if ((par < 0) || (par > 255))
1041 PARSE_ERROR1;
1042 f->phcto = par;
1da177e4 1043#ifdef ISDN_TTY_FAX_STAT_DEBUG
475be4d8 1044 printk(KERN_DEBUG "isdn_tty: Fax FPHCTO=%d\n", par);
1da177e4 1045#endif
475be4d8
JP		 1046 }
1047 break;
1048 default:
1049 PARSE_ERROR1;
1da177e4
LT		 1050 }
1051 return 0;
1052 }
1053
1054 /* REL=n - Phase C received EOL alignment */
1055 if (!strncmp(p[0], "REL", 3)) {
1056 p[0] += 3;
1057 switch (*p[0]) {
475be4d8
JP		 1058 case '?':
1059 p[0]++;
1060 sprintf(rs, "\r\n%d", f->rel);
1061 isdn_tty_at_cout(rs, info);
1062 break;
1063 case '=':
1064 p[0]++;
1065 if (*p[0] == '?') {
1da177e4 1066 p[0]++;
475be4d8 1067 sprintf(rs, "\r\n0,1");
1da177e4 1068 isdn_tty_at_cout(rs, info);
475be4d8
JP		 1069 } else {
1070 par = isdn_getnum(p);
1071 if ((par < 0) || (par > 1))
1072 PARSE_ERROR1;
1073 f->rel = par;
1da177e4 1074#ifdef ISDN_TTY_FAX_STAT_DEBUG
475be4d8 1075 printk(KERN_DEBUG "isdn_tty: Fax FREL=%d\n", par);
1da177e4 1076#endif
475be4d8
JP		 1077 }
1078 break;
1079 default:
1080 PARSE_ERROR1;
1da177e4
LT		 1081 }
1082 return 0;
1083 }
1084 /* REV? - DCE Revision */
1085 if (!strncmp(p[0], "REV?", 4)) {
1086 p[0] += 4;
1087#ifdef ISDN_TTY_FAX_STAT_DEBUG
1088 printk(KERN_DEBUG "isdn_tty: FREV?\n");
1089#endif
1090 strcpy(rss, isdn_tty_fax_revision);
1091 sprintf(rs, "\r\nRev: %s", isdn_getrev(rss));
1092 isdn_tty_at_cout(rs, info);
1093 return 0;
1094 }
1095
1096 /* Phase C Transmit Data Block Size */
1097 if (!strncmp(p[0], "TBC=", 4)) { /* dummy, not used */
1098 p[0] += 4;
1099#ifdef ISDN_TTY_FAX_STAT_DEBUG
1100 printk(KERN_DEBUG "isdn_tty: Fax FTBC=%c\n", *p[0]);
1101#endif
1102 switch (*p[0]) {
475be4d8
JP		 1103 case '0':
1104 p[0]++;
1105 break;
1106 default:
1107 PARSE_ERROR1;
1da177e4
LT		 1108 }
1109 return 0;
1110 }
1111 printk(KERN_DEBUG "isdn_tty: unknown token=>AT+F%s<\n", p[0]);
1112 PARSE_ERROR1;
1113}
1114
1115int
475be4d8 1116isdn_tty_cmd_PLUSF_FAX(char **p, modem_info *info)
1da177e4
LT		 1117{
1118 if (TTY_IS_FCLASS2(info))
1119 return (isdn_tty_cmd_FCLASS2(p, info));
1120 else if (TTY_IS_FCLASS1(info))
1121 return (isdn_tty_cmd_FCLASS1(p, info));
1122 PARSE_ERROR1;
1123}
Linux 6.x block layer and io_uring tree(s)