1 /* $Id: isar.c,v 1.22.2.6 2004/02/11 13:21:34 keil Exp $
2 *
3 * isar.c ISAR (Siemens PSB 7110) specific routines
4 *
5 * Author Karsten Keil (keil@isdn4linux.de)
6 *
7 * This file is (c) under GNU General Public License
8 *
9 */
10
11 #include <linux/init.h>
12 #include "hisax.h"
13 #include "isar.h"
14 #include "isdnl1.h"
15 #include <linux/interrupt.h>
16
17 #define DBG_LOADFIRM 0
18 #define DUMP_MBOXFRAME 2
19
20 #define DLE 0x10
21 #define ETX 0x03
22
23 #define FAXMODCNT 13
24 static const u_char faxmodulation[] = {3,24,48,72,73,74,96,97,98,121,122,145,146};
25 static u_int modmask = 0x1fff;
26 static int frm_extra_delay = 2;
27 static int para_TOA = 6;
28 static const u_char *FC1_CMD[] = {"FAE", "FTS", "FRS", "FTM", "FRM", "FTH", "FRH", "CTRL" };
29
30 static void isar_setup(struct IsdnCardState *cs);
31 static void isar_pump_cmd(struct BCState *bcs, u_char cmd, u_char para);
32 static void ll_deliver_faxstat(struct BCState *bcs, u_char status);
33
34 static inline int
waitforHIA(struct IsdnCardState * cs,int timeout)35 waitforHIA(struct IsdnCardState *cs, int timeout)
36 {
37
38 while ((cs->BC_Read_Reg(cs, 0, ISAR_HIA) & 1) && timeout) {
39 udelay(1);
40 timeout--;
41 }
42 if (!timeout)
43 printk(KERN_WARNING "HiSax: ISAR waitforHIA timeout\n");
44 return(timeout);
45 }
46
47
48 static int
sendmsg(struct IsdnCardState * cs,u_char his,u_char creg,u_char len,u_char * msg)49 sendmsg(struct IsdnCardState *cs, u_char his, u_char creg, u_char len,
50 u_char *msg)
51 {
52 int i;
53
54 if (!waitforHIA(cs, 4000))
55 return(0);
56 #if DUMP_MBOXFRAME
57 if (cs->debug & L1_DEB_HSCX)
58 debugl1(cs, "sendmsg(%02x,%02x,%d)", his, creg, len);
59 #endif
60 cs->BC_Write_Reg(cs, 0, ISAR_CTRL_H, creg);
61 cs->BC_Write_Reg(cs, 0, ISAR_CTRL_L, len);
62 cs->BC_Write_Reg(cs, 0, ISAR_WADR, 0);
63 if (msg && len) {
64 cs->BC_Write_Reg(cs, 1, ISAR_MBOX, msg[0]);
65 for (i=1; i<len; i++)
66 cs->BC_Write_Reg(cs, 2, ISAR_MBOX, msg[i]);
67 #if DUMP_MBOXFRAME>1
68 if (cs->debug & L1_DEB_HSCX_FIFO) {
69 char tmp[256], *t;
70
71 i = len;
72 while (i>0) {
73 t = tmp;
74 t += sprintf(t, "sendmbox cnt %d", len);
75 QuickHex(t, &msg[len-i], (i>64) ? 64:i);
76 debugl1(cs, tmp);
77 i -= 64;
78 }
79 }
80 #endif
81 }
82 cs->BC_Write_Reg(cs, 1, ISAR_HIS, his);
83 waitforHIA(cs, 10000);
84 return(1);
85 }
86
87 /* Call only with IRQ disabled !!! */
88 static inline void
rcv_mbox(struct IsdnCardState * cs,struct isar_reg * ireg,u_char * msg)89 rcv_mbox(struct IsdnCardState *cs, struct isar_reg *ireg, u_char *msg)
90 {
91 int i;
92
93 cs->BC_Write_Reg(cs, 1, ISAR_RADR, 0);
94 if (msg && ireg->clsb) {
95 msg[0] = cs->BC_Read_Reg(cs, 1, ISAR_MBOX);
96 for (i=1; i < ireg->clsb; i++)
97 msg[i] = cs->BC_Read_Reg(cs, 2, ISAR_MBOX);
98 #if DUMP_MBOXFRAME>1
99 if (cs->debug & L1_DEB_HSCX_FIFO) {
100 char tmp[256], *t;
101
102 i = ireg->clsb;
103 while (i>0) {
104 t = tmp;
105 t += sprintf(t, "rcv_mbox cnt %d", ireg->clsb);
106 QuickHex(t, &msg[ireg->clsb-i], (i>64) ? 64:i);
107 debugl1(cs, tmp);
108 i -= 64;
109 }
110 }
111 #endif
112 }
113 cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
114 }
115
116 /* Call only with IRQ disabled !!! */
117 static inline void
get_irq_infos(struct IsdnCardState * cs,struct isar_reg * ireg)118 get_irq_infos(struct IsdnCardState *cs, struct isar_reg *ireg)
119 {
120 ireg->iis = cs->BC_Read_Reg(cs, 1, ISAR_IIS);
121 ireg->cmsb = cs->BC_Read_Reg(cs, 1, ISAR_CTRL_H);
122 ireg->clsb = cs->BC_Read_Reg(cs, 1, ISAR_CTRL_L);
123 #if DUMP_MBOXFRAME
124 if (cs->debug & L1_DEB_HSCX)
125 debugl1(cs, "irq_stat(%02x,%02x,%d)", ireg->iis, ireg->cmsb,
126 ireg->clsb);
127 #endif
128 }
129
130 static int
waitrecmsg(struct IsdnCardState * cs,u_char * len,u_char * msg,int maxdelay)131 waitrecmsg(struct IsdnCardState *cs, u_char *len,
132 u_char *msg, int maxdelay)
133 {
134 int timeout = 0;
135 struct isar_reg *ir = cs->bcs[0].hw.isar.reg;
136
137
138 while((!(cs->BC_Read_Reg(cs, 0, ISAR_IRQBIT) & ISAR_IRQSTA)) &&
139 (timeout++ < maxdelay))
140 udelay(1);
141 if (timeout >= maxdelay) {
142 printk(KERN_WARNING"isar recmsg IRQSTA timeout\n");
143 return(0);
144 }
145 get_irq_infos(cs, ir);
146 rcv_mbox(cs, ir, msg);
147 *len = ir->clsb;
148 return(1);
149 }
150
151 int
ISARVersion(struct IsdnCardState * cs,char * s)152 ISARVersion(struct IsdnCardState *cs, char *s)
153 {
154 int ver;
155 u_char msg[] = ISAR_MSG_HWVER;
156 u_char tmp[64];
157 u_char len;
158 u_long flags;
159 int debug;
160
161 cs->cardmsg(cs, CARD_RESET, NULL);
162 spin_lock_irqsave(&cs->lock, flags);
163 /* disable ISAR IRQ */
164 cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0);
165 debug = cs->debug;
166 cs->debug &= ~(L1_DEB_HSCX | L1_DEB_HSCX_FIFO);
167 if (!sendmsg(cs, ISAR_HIS_VNR, 0, 3, msg)) {
168 spin_unlock_irqrestore(&cs->lock, flags);
169 return(-1);
170 }
171 if (!waitrecmsg(cs, &len, tmp, 100000)) {
172 spin_unlock_irqrestore(&cs->lock, flags);
173 return(-2);
174 }
175 cs->debug = debug;
176 if (cs->bcs[0].hw.isar.reg->iis == ISAR_IIS_VNR) {
177 if (len == 1) {
178 ver = tmp[0] & 0xf;
179 printk(KERN_INFO "%s ISAR version %d\n", s, ver);
180 } else
181 ver = -3;
182 } else
183 ver = -4;
184 spin_unlock_irqrestore(&cs->lock, flags);
185 return(ver);
186 }
187
188 static int
isar_load_firmware(struct IsdnCardState * cs,u_char __user * buf)189 isar_load_firmware(struct IsdnCardState *cs, u_char __user *buf)
190 {
191 int ret, size, cnt, debug;
192 u_char len, nom, noc;
193 u_short sadr, left, *sp;
194 u_char __user *p = buf;
195 u_char *msg, *tmpmsg, *mp, tmp[64];
196 u_long flags;
197 struct isar_reg *ireg = cs->bcs[0].hw.isar.reg;
198
199 struct {u_short sadr;
200 u_short len;
201 u_short d_key;
202 } blk_head;
203
204 #define BLK_HEAD_SIZE 6
205 if (1 != (ret = ISARVersion(cs, "Testing"))) {
206 printk(KERN_ERR"isar_load_firmware wrong isar version %d\n", ret);
207 return(1);
208 }
209 debug = cs->debug;
210 #if DBG_LOADFIRM<2
211 cs->debug &= ~(L1_DEB_HSCX | L1_DEB_HSCX_FIFO);
212 #endif
213
214 if ((ret = copy_from_user(&size, p, sizeof(int)))) {
215 printk(KERN_ERR"isar_load_firmware copy_from_user ret %d\n", ret);
216 return ret;
217 }
218 p += sizeof(int);
219 printk(KERN_DEBUG"isar_load_firmware size: %d\n", size);
220 cnt = 0;
221 /* disable ISAR IRQ */
222 cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0);
223 if (!(msg = kmalloc(256, GFP_KERNEL))) {
224 printk(KERN_ERR"isar_load_firmware no buffer\n");
225 return (1);
226 }
227 if (!(tmpmsg = kmalloc(256, GFP_KERNEL))) {
228 printk(KERN_ERR"isar_load_firmware no tmp buffer\n");
229 kfree(msg);
230 return (1);
231 }
232 spin_lock_irqsave(&cs->lock, flags);
233 /* disable ISAR IRQ */
234 cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0);
235 spin_unlock_irqrestore(&cs->lock, flags);
236 while (cnt < size) {
237 if ((ret = copy_from_user(&blk_head, p, BLK_HEAD_SIZE))) {
238 printk(KERN_ERR"isar_load_firmware copy_from_user ret %d\n", ret);
239 goto reterror;
240 }
241 #ifdef __BIG_ENDIAN
242 sadr = (blk_head.sadr & 0xff)*256 + blk_head.sadr/256;
243 blk_head.sadr = sadr;
244 sadr = (blk_head.len & 0xff)*256 + blk_head.len/256;
245 blk_head.len = sadr;
246 sadr = (blk_head.d_key & 0xff)*256 + blk_head.d_key/256;
247 blk_head.d_key = sadr;
248 #endif /* __BIG_ENDIAN */
249 cnt += BLK_HEAD_SIZE;
250 p += BLK_HEAD_SIZE;
251 printk(KERN_DEBUG"isar firmware block (%#x,%5d,%#x)\n",
252 blk_head.sadr, blk_head.len, blk_head.d_key & 0xff);
253 sadr = blk_head.sadr;
254 left = blk_head.len;
255 spin_lock_irqsave(&cs->lock, flags);
256 if (!sendmsg(cs, ISAR_HIS_DKEY, blk_head.d_key & 0xff, 0, NULL)) {
257 printk(KERN_ERR"isar sendmsg dkey failed\n");
258 ret = 1;goto reterr_unlock;
259 }
260 if (!waitrecmsg(cs, &len, tmp, 100000)) {
261 printk(KERN_ERR"isar waitrecmsg dkey failed\n");
262 ret = 1;goto reterr_unlock;
263 }
264 if ((ireg->iis != ISAR_IIS_DKEY) || ireg->cmsb || len) {
265 printk(KERN_ERR"isar wrong dkey response (%x,%x,%x)\n",
266 ireg->iis, ireg->cmsb, len);
267 ret = 1;goto reterr_unlock;
268 }
269 spin_unlock_irqrestore(&cs->lock, flags);
270 while (left>0) {
271 if (left > 126)
272 noc = 126;
273 else
274 noc = left;
275 nom = 2*noc;
276 mp = msg;
277 *mp++ = sadr / 256;
278 *mp++ = sadr % 256;
279 left -= noc;
280 *mp++ = noc;
281 if ((ret = copy_from_user(tmpmsg, p, nom))) {
282 printk(KERN_ERR"isar_load_firmware copy_from_user ret %d\n", ret);
283 goto reterror;
284 }
285 p += nom;
286 cnt += nom;
287 nom += 3;
288 sp = (u_short *)tmpmsg;
289 #if DBG_LOADFIRM
290 printk(KERN_DEBUG"isar: load %3d words at %04x left %d\n",
291 noc, sadr, left);
292 #endif
293 sadr += noc;
294 while(noc) {
295 #ifdef __BIG_ENDIAN
296 *mp++ = *sp % 256;
297 *mp++ = *sp / 256;
298 #else
299 *mp++ = *sp / 256;
300 *mp++ = *sp % 256;
301 #endif /* __BIG_ENDIAN */
302 sp++;
303 noc--;
304 }
305 spin_lock_irqsave(&cs->lock, flags);
306 if (!sendmsg(cs, ISAR_HIS_FIRM, 0, nom, msg)) {
307 printk(KERN_ERR"isar sendmsg prog failed\n");
308 ret = 1;goto reterr_unlock;
309 }
310 if (!waitrecmsg(cs, &len, tmp, 100000)) {
311 printk(KERN_ERR"isar waitrecmsg prog failed\n");
312 ret = 1;goto reterr_unlock;
313 }
314 if ((ireg->iis != ISAR_IIS_FIRM) || ireg->cmsb || len) {
315 printk(KERN_ERR"isar wrong prog response (%x,%x,%x)\n",
316 ireg->iis, ireg->cmsb, len);
317 ret = 1;goto reterr_unlock;
318 }
319 spin_unlock_irqrestore(&cs->lock, flags);
320 }
321 printk(KERN_DEBUG"isar firmware block %5d words loaded\n",
322 blk_head.len);
323 }
324 /* 10ms delay */
325 cnt = 10;
326 while (cnt--)
327 udelay(1000);
328 msg[0] = 0xff;
329 msg[1] = 0xfe;
330 ireg->bstat = 0;
331 spin_lock_irqsave(&cs->lock, flags);
332 if (!sendmsg(cs, ISAR_HIS_STDSP, 0, 2, msg)) {
333 printk(KERN_ERR"isar sendmsg start dsp failed\n");
334 ret = 1;goto reterr_unlock;
335 }
336 if (!waitrecmsg(cs, &len, tmp, 100000)) {
337 printk(KERN_ERR"isar waitrecmsg start dsp failed\n");
338 ret = 1;goto reterr_unlock;
339 }
340 if ((ireg->iis != ISAR_IIS_STDSP) || ireg->cmsb || len) {
341 printk(KERN_ERR"isar wrong start dsp response (%x,%x,%x)\n",
342 ireg->iis, ireg->cmsb, len);
343 ret = 1;goto reterr_unlock;
344 } else
345 printk(KERN_DEBUG"isar start dsp success\n");
346 /* NORMAL mode entered */
347 /* Enable IRQs of ISAR */
348 cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, ISAR_IRQSTA);
349 spin_unlock_irqrestore(&cs->lock, flags);
350 cnt = 1000; /* max 1s */
351 while ((!ireg->bstat) && cnt) {
352 udelay(1000);
353 cnt--;
354 }
355 if (!cnt) {
356 printk(KERN_ERR"isar no general status event received\n");
357 ret = 1;goto reterror;
358 } else {
359 printk(KERN_DEBUG"isar general status event %x\n",
360 ireg->bstat);
361 }
362 /* 10ms delay */
363 cnt = 10;
364 while (cnt--)
365 udelay(1000);
366 spin_lock_irqsave(&cs->lock, flags);
367 ireg->iis = 0;
368 if (!sendmsg(cs, ISAR_HIS_DIAG, ISAR_CTRL_STST, 0, NULL)) {
369 printk(KERN_ERR"isar sendmsg self tst failed\n");
370 ret = 1;goto reterr_unlock;
371 }
372 cnt = 10000; /* max 100 ms */
373 spin_unlock_irqrestore(&cs->lock, flags);
374 while ((ireg->iis != ISAR_IIS_DIAG) && cnt) {
375 udelay(10);
376 cnt--;
377 }
378 udelay(1000);
379 if (!cnt) {
380 printk(KERN_ERR"isar no self tst response\n");
381 ret = 1;goto reterror;
382 }
383 if ((ireg->cmsb == ISAR_CTRL_STST) && (ireg->clsb == 1)
384 && (ireg->par[0] == 0)) {
385 printk(KERN_DEBUG"isar selftest OK\n");
386 } else {
387 printk(KERN_DEBUG"isar selftest not OK %x/%x/%x\n",
388 ireg->cmsb, ireg->clsb, ireg->par[0]);
389 ret = 1;goto reterror;
390 }
391 spin_lock_irqsave(&cs->lock, flags);
392 ireg->iis = 0;
393 if (!sendmsg(cs, ISAR_HIS_DIAG, ISAR_CTRL_SWVER, 0, NULL)) {
394 printk(KERN_ERR"isar RQST SVN failed\n");
395 ret = 1;goto reterr_unlock;
396 }
397 spin_unlock_irqrestore(&cs->lock, flags);
398 cnt = 30000; /* max 300 ms */
399 while ((ireg->iis != ISAR_IIS_DIAG) && cnt) {
400 udelay(10);
401 cnt--;
402 }
403 udelay(1000);
404 if (!cnt) {
405 printk(KERN_ERR"isar no SVN response\n");
406 ret = 1;goto reterror;
407 } else {
408 if ((ireg->cmsb == ISAR_CTRL_SWVER) && (ireg->clsb == 1))
409 printk(KERN_DEBUG"isar software version %#x\n",
410 ireg->par[0]);
411 else {
412 printk(KERN_ERR"isar wrong swver response (%x,%x) cnt(%d)\n",
413 ireg->cmsb, ireg->clsb, cnt);
414 ret = 1;goto reterror;
415 }
416 }
417 spin_lock_irqsave(&cs->lock, flags);
418 cs->debug = debug;
419 isar_setup(cs);
420
421 ret = 0;
422 reterr_unlock:
423 spin_unlock_irqrestore(&cs->lock, flags);
424 reterror:
425 cs->debug = debug;
426 if (ret)
427 /* disable ISAR IRQ */
428 cs->BC_Write_Reg(cs, 0, ISAR_IRQBIT, 0);
429 kfree(msg);
430 kfree(tmpmsg);
431 return(ret);
432 }
433
434 #define B_LL_NOCARRIER 8
435 #define B_LL_CONNECT 9
436 #define B_LL_OK 10
437
438 static void
isar_bh(struct work_struct * work)439 isar_bh(struct work_struct *work)
440 {
441 struct BCState *bcs = container_of(work, struct BCState, tqueue);
442
443 BChannel_bh(work);
444 if (test_and_clear_bit(B_LL_NOCARRIER, &bcs->event))
445 ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_NOCARR);
446 if (test_and_clear_bit(B_LL_CONNECT, &bcs->event))
447 ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT);
448 if (test_and_clear_bit(B_LL_OK, &bcs->event))
449 ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_OK);
450 }
451
452 static void
send_DLE_ETX(struct BCState * bcs)453 send_DLE_ETX(struct BCState *bcs)
454 {
455 u_char dleetx[2] = {DLE,ETX};
456 struct sk_buff *skb;
457
458 if ((skb = dev_alloc_skb(2))) {
459 memcpy(skb_put(skb, 2), dleetx, 2);
460 skb_queue_tail(&bcs->rqueue, skb);
461 schedule_event(bcs, B_RCVBUFREADY);
462 } else {
463 printk(KERN_WARNING "HiSax: skb out of memory\n");
464 }
465 }
466
467 static inline int
dle_count(unsigned char * buf,int len)468 dle_count(unsigned char *buf, int len)
469 {
470 int count = 0;
471
472 while (len--)
473 if (*buf++ == DLE)
474 count++;
475 return count;
476 }
477
478 static inline void
insert_dle(unsigned char * dest,unsigned char * src,int count)479 insert_dle(unsigned char *dest, unsigned char *src, int count) {
480 /* <DLE> in input stream have to be flagged as <DLE><DLE> */
481 while (count--) {
482 *dest++ = *src;
483 if (*src++ == DLE)
484 *dest++ = DLE;
485 }
486 }
487
488 static void
isar_rcv_frame(struct IsdnCardState * cs,struct BCState * bcs)489 isar_rcv_frame(struct IsdnCardState *cs, struct BCState *bcs)
490 {
491 u_char *ptr;
492 struct sk_buff *skb;
493 struct isar_reg *ireg = bcs->hw.isar.reg;
494
495 if (!ireg->clsb) {
496 debugl1(cs, "isar zero len frame");
497 cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
498 return;
499 }
500 switch (bcs->mode) {
501 case L1_MODE_NULL:
502 debugl1(cs, "isar mode 0 spurious IIS_RDATA %x/%x/%x",
503 ireg->iis, ireg->cmsb, ireg->clsb);
504 printk(KERN_WARNING"isar mode 0 spurious IIS_RDATA %x/%x/%x\n",
505 ireg->iis, ireg->cmsb, ireg->clsb);
506 cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
507 break;
508 case L1_MODE_TRANS:
509 case L1_MODE_V32:
510 if ((skb = dev_alloc_skb(ireg->clsb))) {
511 rcv_mbox(cs, ireg, (u_char *)skb_put(skb, ireg->clsb));
512 skb_queue_tail(&bcs->rqueue, skb);
513 schedule_event(bcs, B_RCVBUFREADY);
514 } else {
515 printk(KERN_WARNING "HiSax: skb out of memory\n");
516 cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
517 }
518 break;
519 case L1_MODE_HDLC:
520 if ((bcs->hw.isar.rcvidx + ireg->clsb) > HSCX_BUFMAX) {
521 if (cs->debug & L1_DEB_WARN)
522 debugl1(cs, "isar_rcv_frame: incoming packet too large");
523 cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
524 bcs->hw.isar.rcvidx = 0;
525 } else if (ireg->cmsb & HDLC_ERROR) {
526 if (cs->debug & L1_DEB_WARN)
527 debugl1(cs, "isar frame error %x len %d",
528 ireg->cmsb, ireg->clsb);
529 #ifdef ERROR_STATISTIC
530 if (ireg->cmsb & HDLC_ERR_RER)
531 bcs->err_inv++;
532 if (ireg->cmsb & HDLC_ERR_CER)
533 bcs->err_crc++;
534 #endif
535 bcs->hw.isar.rcvidx = 0;
536 cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
537 } else {
538 if (ireg->cmsb & HDLC_FSD)
539 bcs->hw.isar.rcvidx = 0;
540 ptr = bcs->hw.isar.rcvbuf + bcs->hw.isar.rcvidx;
541 bcs->hw.isar.rcvidx += ireg->clsb;
542 rcv_mbox(cs, ireg, ptr);
543 if (ireg->cmsb & HDLC_FED) {
544 if (bcs->hw.isar.rcvidx < 3) { /* last 2 bytes are the FCS */
545 if (cs->debug & L1_DEB_WARN)
546 debugl1(cs, "isar frame to short %d",
547 bcs->hw.isar.rcvidx);
548 } else if (!(skb = dev_alloc_skb(bcs->hw.isar.rcvidx-2))) {
549 printk(KERN_WARNING "ISAR: receive out of memory\n");
550 } else {
551 memcpy(skb_put(skb, bcs->hw.isar.rcvidx-2),
552 bcs->hw.isar.rcvbuf, bcs->hw.isar.rcvidx-2);
553 skb_queue_tail(&bcs->rqueue, skb);
554 schedule_event(bcs, B_RCVBUFREADY);
555 }
556 bcs->hw.isar.rcvidx = 0;
557 }
558 }
559 break;
560 case L1_MODE_FAX:
561 if (bcs->hw.isar.state != STFAX_ACTIV) {
562 if (cs->debug & L1_DEB_WARN)
563 debugl1(cs, "isar_rcv_frame: not ACTIV");
564 cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
565 bcs->hw.isar.rcvidx = 0;
566 break;
567 }
568 if (bcs->hw.isar.cmd == PCTRL_CMD_FRM) {
569 rcv_mbox(cs, ireg, bcs->hw.isar.rcvbuf);
570 bcs->hw.isar.rcvidx = ireg->clsb +
571 dle_count(bcs->hw.isar.rcvbuf, ireg->clsb);
572 if (cs->debug & L1_DEB_HSCX)
573 debugl1(cs, "isar_rcv_frame: raw(%d) dle(%d)",
574 ireg->clsb, bcs->hw.isar.rcvidx);
575 if ((skb = dev_alloc_skb(bcs->hw.isar.rcvidx))) {
576 insert_dle((u_char *)skb_put(skb, bcs->hw.isar.rcvidx),
577 bcs->hw.isar.rcvbuf, ireg->clsb);
578 skb_queue_tail(&bcs->rqueue, skb);
579 schedule_event(bcs, B_RCVBUFREADY);
580 if (ireg->cmsb & SART_NMD) { /* ABORT */
581 if (cs->debug & L1_DEB_WARN)
582 debugl1(cs, "isar_rcv_frame: no more data");
583 bcs->hw.isar.rcvidx = 0;
584 send_DLE_ETX(bcs);
585 sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) |
586 ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC,
587 0, NULL);
588 bcs->hw.isar.state = STFAX_ESCAPE;
589 schedule_event(bcs, B_LL_NOCARRIER);
590 }
591 } else {
592 printk(KERN_WARNING "HiSax: skb out of memory\n");
593 }
594 break;
595 }
596 if (bcs->hw.isar.cmd != PCTRL_CMD_FRH) {
597 if (cs->debug & L1_DEB_WARN)
598 debugl1(cs, "isar_rcv_frame: unknown fax mode %x",
599 bcs->hw.isar.cmd);
600 cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
601 bcs->hw.isar.rcvidx = 0;
602 break;
603 }
604 /* PCTRL_CMD_FRH */
605 if ((bcs->hw.isar.rcvidx + ireg->clsb) > HSCX_BUFMAX) {
606 if (cs->debug & L1_DEB_WARN)
607 debugl1(cs, "isar_rcv_frame: incoming packet too large");
608 cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
609 bcs->hw.isar.rcvidx = 0;
610 } else if (ireg->cmsb & HDLC_ERROR) {
611 if (cs->debug & L1_DEB_WARN)
612 debugl1(cs, "isar frame error %x len %d",
613 ireg->cmsb, ireg->clsb);
614 bcs->hw.isar.rcvidx = 0;
615 cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
616 } else {
617 if (ireg->cmsb & HDLC_FSD) {
618 bcs->hw.isar.rcvidx = 0;
619 }
620 ptr = bcs->hw.isar.rcvbuf + bcs->hw.isar.rcvidx;
621 bcs->hw.isar.rcvidx += ireg->clsb;
622 rcv_mbox(cs, ireg, ptr);
623 if (ireg->cmsb & HDLC_FED) {
624 int len = bcs->hw.isar.rcvidx +
625 dle_count(bcs->hw.isar.rcvbuf, bcs->hw.isar.rcvidx);
626 if (bcs->hw.isar.rcvidx < 3) { /* last 2 bytes are the FCS */
627 if (cs->debug & L1_DEB_WARN)
628 debugl1(cs, "isar frame to short %d",
629 bcs->hw.isar.rcvidx);
630 printk(KERN_WARNING "ISAR: frame to short %d\n",
631 bcs->hw.isar.rcvidx);
632 } else if (!(skb = dev_alloc_skb(len))) {
633 printk(KERN_WARNING "ISAR: receive out of memory\n");
634 } else {
635 insert_dle((u_char *)skb_put(skb, len),
636 bcs->hw.isar.rcvbuf,
637 bcs->hw.isar.rcvidx);
638 skb_queue_tail(&bcs->rqueue, skb);
639 schedule_event(bcs, B_RCVBUFREADY);
640 send_DLE_ETX(bcs);
641 schedule_event(bcs, B_LL_OK);
642 test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag);
643 }
644 bcs->hw.isar.rcvidx = 0;
645 }
646 }
647 if (ireg->cmsb & SART_NMD) { /* ABORT */
648 if (cs->debug & L1_DEB_WARN)
649 debugl1(cs, "isar_rcv_frame: no more data");
650 bcs->hw.isar.rcvidx = 0;
651 sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) |
652 ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC, 0, NULL);
653 bcs->hw.isar.state = STFAX_ESCAPE;
654 if (test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag)) {
655 send_DLE_ETX(bcs);
656 schedule_event(bcs, B_LL_NOCARRIER);
657 }
658 }
659 break;
660 default:
661 printk(KERN_ERR"isar_rcv_frame mode (%x)error\n", bcs->mode);
662 cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
663 break;
664 }
665 }
666
667 void
isar_fill_fifo(struct BCState * bcs)668 isar_fill_fifo(struct BCState *bcs)
669 {
670 struct IsdnCardState *cs = bcs->cs;
671 int count;
672 u_char msb;
673 u_char *ptr;
674
675 if ((cs->debug & L1_DEB_HSCX) && !(cs->debug & L1_DEB_HSCX_FIFO))
676 debugl1(cs, "isar_fill_fifo");
677 if (!bcs->tx_skb)
678 return;
679 if (bcs->tx_skb->len <= 0)
680 return;
681 if (!(bcs->hw.isar.reg->bstat &
682 (bcs->hw.isar.dpath == 1 ? BSTAT_RDM1 : BSTAT_RDM2)))
683 return;
684 if (bcs->tx_skb->len > bcs->hw.isar.mml) {
685 msb = 0;
686 count = bcs->hw.isar.mml;
687 } else {
688 count = bcs->tx_skb->len;
689 msb = HDLC_FED;
690 }
691 ptr = bcs->tx_skb->data;
692 if (!bcs->hw.isar.txcnt) {
693 msb |= HDLC_FST;
694 if ((bcs->mode == L1_MODE_FAX) &&
695 (bcs->hw.isar.cmd == PCTRL_CMD_FTH)) {
696 if (bcs->tx_skb->len > 1) {
697 if ((ptr[0]== 0xff) && (ptr[1] == 0x13))
698 /* last frame */
699 test_and_set_bit(BC_FLG_LASTDATA,
700 &bcs->Flag);
701 }
702 }
703 }
704 skb_pull(bcs->tx_skb, count);
705 bcs->tx_cnt -= count;
706 bcs->hw.isar.txcnt += count;
707 switch (bcs->mode) {
708 case L1_MODE_NULL:
709 printk(KERN_ERR"isar_fill_fifo wrong mode 0\n");
710 break;
711 case L1_MODE_TRANS:
712 case L1_MODE_V32:
713 sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA,
714 0, count, ptr);
715 break;
716 case L1_MODE_HDLC:
717 sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA,
718 msb, count, ptr);
719 break;
720 case L1_MODE_FAX:
721 if (bcs->hw.isar.state != STFAX_ACTIV) {
722 if (cs->debug & L1_DEB_WARN)
723 debugl1(cs, "isar_fill_fifo: not ACTIV");
724 } else if (bcs->hw.isar.cmd == PCTRL_CMD_FTH) {
725 sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA,
726 msb, count, ptr);
727 } else if (bcs->hw.isar.cmd == PCTRL_CMD_FTM) {
728 sendmsg(cs, SET_DPS(bcs->hw.isar.dpath) | ISAR_HIS_SDATA,
729 0, count, ptr);
730 } else {
731 if (cs->debug & L1_DEB_WARN)
732 debugl1(cs, "isar_fill_fifo: not FTH/FTM");
733 }
734 break;
735 default:
736 if (cs->debug)
737 debugl1(cs, "isar_fill_fifo mode(%x) error", bcs->mode);
738 printk(KERN_ERR"isar_fill_fifo mode(%x) error\n", bcs->mode);
739 break;
740 }
741 }
742
743 static inline
sel_bcs_isar(struct IsdnCardState * cs,u_char dpath)744 struct BCState *sel_bcs_isar(struct IsdnCardState *cs, u_char dpath)
745 {
746 if ((!dpath) || (dpath == 3))
747 return(NULL);
748 if (cs->bcs[0].hw.isar.dpath == dpath)
749 return(&cs->bcs[0]);
750 if (cs->bcs[1].hw.isar.dpath == dpath)
751 return(&cs->bcs[1]);
752 return(NULL);
753 }
754
755 static void
send_frames(struct BCState * bcs)756 send_frames(struct BCState *bcs)
757 {
758 if (bcs->tx_skb) {
759 if (bcs->tx_skb->len) {
760 isar_fill_fifo(bcs);
761 return;
762 } else {
763 if (test_bit(FLG_LLI_L1WAKEUP,&bcs->st->lli.flag) &&
764 (PACKET_NOACK != bcs->tx_skb->pkt_type)) {
765 u_long flags;
766 spin_lock_irqsave(&bcs->aclock, flags);
767 bcs->ackcnt += bcs->hw.isar.txcnt;
768 spin_unlock_irqrestore(&bcs->aclock, flags);
769 schedule_event(bcs, B_ACKPENDING);
770 }
771 if (bcs->mode == L1_MODE_FAX) {
772 if (bcs->hw.isar.cmd == PCTRL_CMD_FTH) {
773 if (test_bit(BC_FLG_LASTDATA, &bcs->Flag)) {
774 test_and_set_bit(BC_FLG_NMD_DATA, &bcs->Flag);
775 }
776 } else if (bcs->hw.isar.cmd == PCTRL_CMD_FTM) {
777 if (test_bit(BC_FLG_DLEETX, &bcs->Flag)) {
778 test_and_set_bit(BC_FLG_LASTDATA, &bcs->Flag);
779 test_and_set_bit(BC_FLG_NMD_DATA, &bcs->Flag);
780 }
781 }
782 }
783 dev_kfree_skb_any(bcs->tx_skb);
784 bcs->hw.isar.txcnt = 0;
785 bcs->tx_skb = NULL;
786 }
787 }
788 if ((bcs->tx_skb = skb_dequeue(&bcs->squeue))) {
789 bcs->hw.isar.txcnt = 0;
790 test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
791 isar_fill_fifo(bcs);
792 } else {
793 if (test_and_clear_bit(BC_FLG_DLEETX, &bcs->Flag)) {
794 if (test_and_clear_bit(BC_FLG_LASTDATA, &bcs->Flag)) {
795 if (test_and_clear_bit(BC_FLG_NMD_DATA, &bcs->Flag)) {
796 u_char dummy = 0;
797 sendmsg(bcs->cs, SET_DPS(bcs->hw.isar.dpath) |
798 ISAR_HIS_SDATA, 0x01, 1, &dummy);
799 }
800 test_and_set_bit(BC_FLG_LL_OK, &bcs->Flag);
801 } else {
802 schedule_event(bcs, B_LL_CONNECT);
803 }
804 }
805 test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
806 schedule_event(bcs, B_XMTBUFREADY);
807 }
808 }
809
810 static inline void
check_send(struct IsdnCardState * cs,u_char rdm)811 check_send(struct IsdnCardState *cs, u_char rdm)
812 {
813 struct BCState *bcs;
814
815 if (rdm & BSTAT_RDM1) {
816 if ((bcs = sel_bcs_isar(cs, 1))) {
817 if (bcs->mode) {
818 send_frames(bcs);
819 }
820 }
821 }
822 if (rdm & BSTAT_RDM2) {
823 if ((bcs = sel_bcs_isar(cs, 2))) {
824 if (bcs->mode) {
825 send_frames(bcs);
826 }
827 }
828 }
829
830 }
831
832 static const char *dmril[] = {"NO SPEED", "1200/75", "NODEF2", "75/1200",
833 "NODEF4", "300", "600", "1200", "2400",
834 "4800", "7200", "9600nt", "9600t", "12000",
835 "14400", "WRONG"};
836 static const char *dmrim[] = {"NO MOD", "NO DEF", "V32/V32b", "V22", "V21",
837 "Bell103", "V23", "Bell202", "V17", "V29",
838 "V27ter"};
839
840 static void
isar_pump_status_rsp(struct BCState * bcs,struct isar_reg * ireg)841 isar_pump_status_rsp(struct BCState *bcs, struct isar_reg *ireg) {
842 struct IsdnCardState *cs = bcs->cs;
843 u_char ril = ireg->par[0];
844 u_char rim;
845
846 if (!test_and_clear_bit(ISAR_RATE_REQ, &bcs->hw.isar.reg->Flags))
847 return;
848 if (ril > 14) {
849 if (cs->debug & L1_DEB_WARN)
850 debugl1(cs, "wrong pstrsp ril=%d",ril);
851 ril = 15;
852 }
853 switch(ireg->par[1]) {
854 case 0:
855 rim = 0;
856 break;
857 case 0x20:
858 rim = 2;
859 break;
860 case 0x40:
861 rim = 3;
862 break;
863 case 0x41:
864 rim = 4;
865 break;
866 case 0x51:
867 rim = 5;
868 break;
869 case 0x61:
870 rim = 6;
871 break;
872 case 0x71:
873 rim = 7;
874 break;
875 case 0x82:
876 rim = 8;
877 break;
878 case 0x92:
879 rim = 9;
880 break;
881 case 0xa2:
882 rim = 10;
883 break;
884 default:
885 rim = 1;
886 break;
887 }
888 sprintf(bcs->hw.isar.conmsg,"%s %s", dmril[ril], dmrim[rim]);
889 bcs->conmsg = bcs->hw.isar.conmsg;
890 if (cs->debug & L1_DEB_HSCX)
891 debugl1(cs, "pump strsp %s", bcs->conmsg);
892 }
893
894 static void
isar_pump_statev_modem(struct BCState * bcs,u_char devt)895 isar_pump_statev_modem(struct BCState *bcs, u_char devt) {
896 struct IsdnCardState *cs = bcs->cs;
897 u_char dps = SET_DPS(bcs->hw.isar.dpath);
898
899 switch(devt) {
900 case PSEV_10MS_TIMER:
901 if (cs->debug & L1_DEB_HSCX)
902 debugl1(cs, "pump stev TIMER");
903 break;
904 case PSEV_CON_ON:
905 if (cs->debug & L1_DEB_HSCX)
906 debugl1(cs, "pump stev CONNECT");
907 l1_msg_b(bcs->st, PH_ACTIVATE | REQUEST, NULL);
908 break;
909 case PSEV_CON_OFF:
910 if (cs->debug & L1_DEB_HSCX)
911 debugl1(cs, "pump stev NO CONNECT");
912 sendmsg(cs, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
913 l1_msg_b(bcs->st, PH_DEACTIVATE | REQUEST, NULL);
914 break;
915 case PSEV_V24_OFF:
916 if (cs->debug & L1_DEB_HSCX)
917 debugl1(cs, "pump stev V24 OFF");
918 break;
919 case PSEV_CTS_ON:
920 if (cs->debug & L1_DEB_HSCX)
921 debugl1(cs, "pump stev CTS ON");
922 break;
923 case PSEV_CTS_OFF:
924 if (cs->debug & L1_DEB_HSCX)
925 debugl1(cs, "pump stev CTS OFF");
926 break;
927 case PSEV_DCD_ON:
928 if (cs->debug & L1_DEB_HSCX)
929 debugl1(cs, "pump stev CARRIER ON");
930 test_and_set_bit(ISAR_RATE_REQ, &bcs->hw.isar.reg->Flags);
931 sendmsg(cs, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
932 break;
933 case PSEV_DCD_OFF:
934 if (cs->debug & L1_DEB_HSCX)
935 debugl1(cs, "pump stev CARRIER OFF");
936 break;
937 case PSEV_DSR_ON:
938 if (cs->debug & L1_DEB_HSCX)
939 debugl1(cs, "pump stev DSR ON");
940 break;
941 case PSEV_DSR_OFF:
942 if (cs->debug & L1_DEB_HSCX)
943 debugl1(cs, "pump stev DSR_OFF");
944 break;
945 case PSEV_REM_RET:
946 if (cs->debug & L1_DEB_HSCX)
947 debugl1(cs, "pump stev REMOTE RETRAIN");
948 break;
949 case PSEV_REM_REN:
950 if (cs->debug & L1_DEB_HSCX)
951 debugl1(cs, "pump stev REMOTE RENEGOTIATE");
952 break;
953 case PSEV_GSTN_CLR:
954 if (cs->debug & L1_DEB_HSCX)
955 debugl1(cs, "pump stev GSTN CLEAR", devt);
956 break;
957 default:
958 if (cs->debug & L1_DEB_HSCX)
959 debugl1(cs, "unknown pump stev %x", devt);
960 break;
961 }
962 }
963
964 static void
ll_deliver_faxstat(struct BCState * bcs,u_char status)965 ll_deliver_faxstat(struct BCState *bcs, u_char status)
966 {
967 isdn_ctrl ic;
968 struct Channel *chanp = (struct Channel *) bcs->st->lli.userdata;
969
970 if (bcs->cs->debug & L1_DEB_HSCX)
971 debugl1(bcs->cs, "HL->LL FAXIND %x", status);
972 ic.driver = bcs->cs->myid;
973 ic.command = ISDN_STAT_FAXIND;
974 ic.arg = chanp->chan;
975 ic.parm.aux.cmd = status;
976 bcs->cs->iif.statcallb(&ic);
977 }
978
979 static void
isar_pump_statev_fax(struct BCState * bcs,u_char devt)980 isar_pump_statev_fax(struct BCState *bcs, u_char devt) {
981 struct IsdnCardState *cs = bcs->cs;
982 u_char dps = SET_DPS(bcs->hw.isar.dpath);
983 u_char p1;
984
985 switch(devt) {
986 case PSEV_10MS_TIMER:
987 if (cs->debug & L1_DEB_HSCX)
988 debugl1(cs, "pump stev TIMER");
989 break;
990 case PSEV_RSP_READY:
991 if (cs->debug & L1_DEB_HSCX)
992 debugl1(cs, "pump stev RSP_READY");
993 bcs->hw.isar.state = STFAX_READY;
994 l1_msg_b(bcs->st, PH_ACTIVATE | REQUEST, NULL);
995 if (test_bit(BC_FLG_ORIG, &bcs->Flag)) {
996 isar_pump_cmd(bcs, ISDN_FAX_CLASS1_FRH, 3);
997 } else {
998 isar_pump_cmd(bcs, ISDN_FAX_CLASS1_FTH, 3);
999 }
1000 break;
1001 case PSEV_LINE_TX_H:
1002 if (bcs->hw.isar.state == STFAX_LINE) {
1003 if (cs->debug & L1_DEB_HSCX)
1004 debugl1(cs, "pump stev LINE_TX_H");
1005 bcs->hw.isar.state = STFAX_CONT;
1006 sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL);
1007 } else {
1008 if (cs->debug & L1_DEB_WARN)
1009 debugl1(cs, "pump stev LINE_TX_H wrong st %x",
1010 bcs->hw.isar.state);
1011 }
1012 break;
1013 case PSEV_LINE_RX_H:
1014 if (bcs->hw.isar.state == STFAX_LINE) {
1015 if (cs->debug & L1_DEB_HSCX)
1016 debugl1(cs, "pump stev LINE_RX_H");
1017 bcs->hw.isar.state = STFAX_CONT;
1018 sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL);
1019 } else {
1020 if (cs->debug & L1_DEB_WARN)
1021 debugl1(cs, "pump stev LINE_RX_H wrong st %x",
1022 bcs->hw.isar.state);
1023 }
1024 break;
1025 case PSEV_LINE_TX_B:
1026 if (bcs->hw.isar.state == STFAX_LINE) {
1027 if (cs->debug & L1_DEB_HSCX)
1028 debugl1(cs, "pump stev LINE_TX_B");
1029 bcs->hw.isar.state = STFAX_CONT;
1030 sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL);
1031 } else {
1032 if (cs->debug & L1_DEB_WARN)
1033 debugl1(cs, "pump stev LINE_TX_B wrong st %x",
1034 bcs->hw.isar.state);
1035 }
1036 break;
1037 case PSEV_LINE_RX_B:
1038 if (bcs->hw.isar.state == STFAX_LINE) {
1039 if (cs->debug & L1_DEB_HSCX)
1040 debugl1(cs, "pump stev LINE_RX_B");
1041 bcs->hw.isar.state = STFAX_CONT;
1042 sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_CONT, 0, NULL);
1043 } else {
1044 if (cs->debug & L1_DEB_WARN)
1045 debugl1(cs, "pump stev LINE_RX_B wrong st %x",
1046 bcs->hw.isar.state);
1047 }
1048 break;
1049 case PSEV_RSP_CONN:
1050 if (bcs->hw.isar.state == STFAX_CONT) {
1051 if (cs->debug & L1_DEB_HSCX)
1052 debugl1(cs, "pump stev RSP_CONN");
1053 bcs->hw.isar.state = STFAX_ACTIV;
1054 test_and_set_bit(ISAR_RATE_REQ, &bcs->hw.isar.reg->Flags);
1055 sendmsg(cs, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
1056 if (bcs->hw.isar.cmd == PCTRL_CMD_FTH) {
1057 /* 1s Flags before data */
1058 if (test_and_set_bit(BC_FLG_FTI_RUN, &bcs->Flag))
1059 del_timer(&bcs->hw.isar.ftimer);
1060 /* 1000 ms */
1061 bcs->hw.isar.ftimer.expires =
1062 jiffies + ((1000 * HZ)/1000);
1063 test_and_set_bit(BC_FLG_LL_CONN,
1064 &bcs->Flag);
1065 add_timer(&bcs->hw.isar.ftimer);
1066 } else {
1067 schedule_event(bcs, B_LL_CONNECT);
1068 }
1069 } else {
1070 if (cs->debug & L1_DEB_WARN)
1071 debugl1(cs, "pump stev RSP_CONN wrong st %x",
1072 bcs->hw.isar.state);
1073 }
1074 break;
1075 case PSEV_FLAGS_DET:
1076 if (cs->debug & L1_DEB_HSCX)
1077 debugl1(cs, "pump stev FLAGS_DET");
1078 break;
1079 case PSEV_RSP_DISC:
1080 if (cs->debug & L1_DEB_HSCX)
1081 debugl1(cs, "pump stev RSP_DISC");
1082 if (bcs->hw.isar.state == STFAX_ESCAPE) {
1083 p1 = 5;
1084 switch(bcs->hw.isar.newcmd) {
1085 case 0:
1086 bcs->hw.isar.state = STFAX_READY;
1087 break;
1088 case PCTRL_CMD_FTM:
1089 p1 = 2;
1090 case PCTRL_CMD_FTH:
1091 sendmsg(cs, dps | ISAR_HIS_PUMPCTRL,
1092 PCTRL_CMD_SILON, 1, &p1);
1093 bcs->hw.isar.state = STFAX_SILDET;
1094 break;
1095 case PCTRL_CMD_FRM:
1096 if (frm_extra_delay)
1097 mdelay(frm_extra_delay);
1098 case PCTRL_CMD_FRH:
1099 p1 = bcs->hw.isar.mod = bcs->hw.isar.newmod;
1100 bcs->hw.isar.newmod = 0;
1101 bcs->hw.isar.cmd = bcs->hw.isar.newcmd;
1102 bcs->hw.isar.newcmd = 0;
1103 sendmsg(cs, dps | ISAR_HIS_PUMPCTRL,
1104 bcs->hw.isar.cmd, 1, &p1);
1105 bcs->hw.isar.state = STFAX_LINE;
1106 bcs->hw.isar.try_mod = 3;
1107 break;
1108 default:
1109 if (cs->debug & L1_DEB_HSCX)
1110 debugl1(cs, "RSP_DISC unknown newcmd %x", bcs->hw.isar.newcmd);
1111 break;
1112 }
1113 } else if (bcs->hw.isar.state == STFAX_ACTIV) {
1114 if (test_and_clear_bit(BC_FLG_LL_OK, &bcs->Flag)) {
1115 schedule_event(bcs, B_LL_OK);
1116 } else if (bcs->hw.isar.cmd == PCTRL_CMD_FRM) {
1117 send_DLE_ETX(bcs);
1118 schedule_event(bcs, B_LL_NOCARRIER);
1119 } else {
1120 ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_FCERROR);
1121 }
1122 bcs->hw.isar.state = STFAX_READY;
1123 } else {
1124 bcs->hw.isar.state = STFAX_READY;
1125 ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_FCERROR);
1126 }
1127 break;
1128 case PSEV_RSP_SILDET:
1129 if (cs->debug & L1_DEB_HSCX)
1130 debugl1(cs, "pump stev RSP_SILDET");
1131 if (bcs->hw.isar.state == STFAX_SILDET) {
1132 p1 = bcs->hw.isar.mod = bcs->hw.isar.newmod;
1133 bcs->hw.isar.newmod = 0;
1134 bcs->hw.isar.cmd = bcs->hw.isar.newcmd;
1135 bcs->hw.isar.newcmd = 0;
1136 sendmsg(cs, dps | ISAR_HIS_PUMPCTRL,
1137 bcs->hw.isar.cmd, 1, &p1);
1138 bcs->hw.isar.state = STFAX_LINE;
1139 bcs->hw.isar.try_mod = 3;
1140 }
1141 break;
1142 case PSEV_RSP_SILOFF:
1143 if (cs->debug & L1_DEB_HSCX)
1144 debugl1(cs, "pump stev RSP_SILOFF");
1145 break;
1146 case PSEV_RSP_FCERR:
1147 if (bcs->hw.isar.state == STFAX_LINE) {
1148 if (cs->debug & L1_DEB_HSCX)
1149 debugl1(cs, "pump stev RSP_FCERR try %d",
1150 bcs->hw.isar.try_mod);
1151 if (bcs->hw.isar.try_mod--) {
1152 sendmsg(cs, dps | ISAR_HIS_PUMPCTRL,
1153 bcs->hw.isar.cmd, 1,
1154 &bcs->hw.isar.mod);
1155 break;
1156 }
1157 }
1158 if (cs->debug & L1_DEB_HSCX)
1159 debugl1(cs, "pump stev RSP_FCERR");
1160 bcs->hw.isar.state = STFAX_ESCAPE;
1161 sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, PCTRL_CMD_ESC, 0, NULL);
1162 ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_FCERROR);
1163 break;
1164 default:
1165 break;
1166 }
1167 }
1168
1169 static char debbuf[128];
1170
1171 void
isar_int_main(struct IsdnCardState * cs)1172 isar_int_main(struct IsdnCardState *cs)
1173 {
1174 struct isar_reg *ireg = cs->bcs[0].hw.isar.reg;
1175 struct BCState *bcs;
1176
1177 get_irq_infos(cs, ireg);
1178 switch (ireg->iis & ISAR_IIS_MSCMSD) {
1179 case ISAR_IIS_RDATA:
1180 if ((bcs = sel_bcs_isar(cs, ireg->iis >> 6))) {
1181 isar_rcv_frame(cs, bcs);
1182 } else {
1183 debugl1(cs, "isar spurious IIS_RDATA %x/%x/%x",
1184 ireg->iis, ireg->cmsb, ireg->clsb);
1185 cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
1186 }
1187 break;
1188 case ISAR_IIS_GSTEV:
1189 cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
1190 ireg->bstat |= ireg->cmsb;
1191 check_send(cs, ireg->cmsb);
1192 break;
1193 case ISAR_IIS_BSTEV:
1194 #ifdef ERROR_STATISTIC
1195 if ((bcs = sel_bcs_isar(cs, ireg->iis >> 6))) {
1196 if (ireg->cmsb == BSTEV_TBO)
1197 bcs->err_tx++;
1198 if (ireg->cmsb == BSTEV_RBO)
1199 bcs->err_rdo++;
1200 }
1201 #endif
1202 if (cs->debug & L1_DEB_WARN)
1203 debugl1(cs, "Buffer STEV dpath%d msb(%x)",
1204 ireg->iis>>6, ireg->cmsb);
1205 cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
1206 break;
1207 case ISAR_IIS_PSTEV:
1208 if ((bcs = sel_bcs_isar(cs, ireg->iis >> 6))) {
1209 rcv_mbox(cs, ireg, (u_char *)ireg->par);
1210 if (bcs->mode == L1_MODE_V32) {
1211 isar_pump_statev_modem(bcs, ireg->cmsb);
1212 } else if (bcs->mode == L1_MODE_FAX) {
1213 isar_pump_statev_fax(bcs, ireg->cmsb);
1214 } else if (ireg->cmsb == PSEV_10MS_TIMER) {
1215 if (cs->debug & L1_DEB_HSCX)
1216 debugl1(cs, "pump stev TIMER");
1217 } else {
1218 if (cs->debug & L1_DEB_WARN)
1219 debugl1(cs, "isar IIS_PSTEV pmode %d stat %x",
1220 bcs->mode, ireg->cmsb);
1221 }
1222 } else {
1223 debugl1(cs, "isar spurious IIS_PSTEV %x/%x/%x",
1224 ireg->iis, ireg->cmsb, ireg->clsb);
1225 cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
1226 }
1227 break;
1228 case ISAR_IIS_PSTRSP:
1229 if ((bcs = sel_bcs_isar(cs, ireg->iis >> 6))) {
1230 rcv_mbox(cs, ireg, (u_char *)ireg->par);
1231 isar_pump_status_rsp(bcs, ireg);
1232 } else {
1233 debugl1(cs, "isar spurious IIS_PSTRSP %x/%x/%x",
1234 ireg->iis, ireg->cmsb, ireg->clsb);
1235 cs->BC_Write_Reg(cs, 1, ISAR_IIA, 0);
1236 }
1237 break;
1238 case ISAR_IIS_DIAG:
1239 case ISAR_IIS_BSTRSP:
1240 case ISAR_IIS_IOM2RSP:
1241 rcv_mbox(cs, ireg, (u_char *)ireg->par);
1242 if ((cs->debug & (L1_DEB_HSCX | L1_DEB_HSCX_FIFO))
1243 == L1_DEB_HSCX) {
1244 u_char *tp=debbuf;
1245
1246 tp += sprintf(debbuf, "msg iis(%x) msb(%x)",
1247 ireg->iis, ireg->cmsb);
1248 QuickHex(tp, (u_char *)ireg->par, ireg->clsb);
1249 debugl1(cs, debbuf);
1250 }
1251 break;
1252 case ISAR_IIS_INVMSG:
1253 rcv_mbox(cs, ireg, debbuf);
1254 if (cs->debug & L1_DEB_WARN)
1255 debugl1(cs, "invalid msg his:%x",
1256 ireg->cmsb);
1257 break;
1258 default:
1259 rcv_mbox(cs, ireg, debbuf);
1260 if (cs->debug & L1_DEB_WARN)
1261 debugl1(cs, "unhandled msg iis(%x) ctrl(%x/%x)",
1262 ireg->iis, ireg->cmsb, ireg->clsb);
1263 break;
1264 }
1265 }
1266
1267 static void
ftimer_handler(struct BCState * bcs)1268 ftimer_handler(struct BCState *bcs) {
1269 if (bcs->cs->debug)
1270 debugl1(bcs->cs, "ftimer flags %04x",
1271 bcs->Flag);
1272 test_and_clear_bit(BC_FLG_FTI_RUN, &bcs->Flag);
1273 if (test_and_clear_bit(BC_FLG_LL_CONN, &bcs->Flag)) {
1274 schedule_event(bcs, B_LL_CONNECT);
1275 }
1276 if (test_and_clear_bit(BC_FLG_FTI_FTS, &bcs->Flag)) {
1277 schedule_event(bcs, B_LL_OK);
1278 }
1279 }
1280
1281 static void
setup_pump(struct BCState * bcs)1282 setup_pump(struct BCState *bcs) {
1283 struct IsdnCardState *cs = bcs->cs;
1284 u_char dps = SET_DPS(bcs->hw.isar.dpath);
1285 u_char ctrl, param[6];
1286
1287 switch (bcs->mode) {
1288 case L1_MODE_NULL:
1289 case L1_MODE_TRANS:
1290 case L1_MODE_HDLC:
1291 sendmsg(cs, dps | ISAR_HIS_PUMPCFG, PMOD_BYPASS, 0, NULL);
1292 break;
1293 case L1_MODE_V32:
1294 ctrl = PMOD_DATAMODEM;
1295 if (test_bit(BC_FLG_ORIG, &bcs->Flag)) {
1296 ctrl |= PCTRL_ORIG;
1297 param[5] = PV32P6_CTN;
1298 } else {
1299 param[5] = PV32P6_ATN;
1300 }
1301 param[0] = para_TOA; /* 6 db */
1302 param[1] = PV32P2_V23R | PV32P2_V22A | PV32P2_V22B |
1303 PV32P2_V22C | PV32P2_V21 | PV32P2_BEL;
1304 param[2] = PV32P3_AMOD | PV32P3_V32B | PV32P3_V23B;
1305 param[3] = PV32P4_UT144;
1306 param[4] = PV32P5_UT144;
1307 sendmsg(cs, dps | ISAR_HIS_PUMPCFG, ctrl, 6, param);
1308 break;
1309 case L1_MODE_FAX:
1310 ctrl = PMOD_FAX;
1311 if (test_bit(BC_FLG_ORIG, &bcs->Flag)) {
1312 ctrl |= PCTRL_ORIG;
1313 param[1] = PFAXP2_CTN;
1314 } else {
1315 param[1] = PFAXP2_ATN;
1316 }
1317 param[0] = para_TOA; /* 6 db */
1318 sendmsg(cs, dps | ISAR_HIS_PUMPCFG, ctrl, 2, param);
1319 bcs->hw.isar.state = STFAX_NULL;
1320 bcs->hw.isar.newcmd = 0;
1321 bcs->hw.isar.newmod = 0;
1322 test_and_set_bit(BC_FLG_FTI_RUN, &bcs->Flag);
1323 break;
1324 }
1325 udelay(1000);
1326 sendmsg(cs, dps | ISAR_HIS_PSTREQ, 0, 0, NULL);
1327 udelay(1000);
1328 }
1329
1330 static void
setup_sart(struct BCState * bcs)1331 setup_sart(struct BCState *bcs) {
1332 struct IsdnCardState *cs = bcs->cs;
1333 u_char dps = SET_DPS(bcs->hw.isar.dpath);
1334 u_char ctrl, param[2];
1335
1336 switch (bcs->mode) {
1337 case L1_MODE_NULL:
1338 sendmsg(cs, dps | ISAR_HIS_SARTCFG, SMODE_DISABLE, 0,
1339 NULL);
1340 break;
1341 case L1_MODE_TRANS:
1342 sendmsg(cs, dps | ISAR_HIS_SARTCFG, SMODE_BINARY, 2,
1343 "\0\0");
1344 break;
1345 case L1_MODE_HDLC:
1346 param[0] = 0;
1347 sendmsg(cs, dps | ISAR_HIS_SARTCFG, SMODE_HDLC, 1,
1348 param);
1349 break;
1350 case L1_MODE_V32:
1351 ctrl = SMODE_V14 | SCTRL_HDMC_BOTH;
1352 param[0] = S_P1_CHS_8;
1353 param[1] = S_P2_BFT_DEF;
1354 sendmsg(cs, dps | ISAR_HIS_SARTCFG, ctrl, 2,
1355 param);
1356 break;
1357 case L1_MODE_FAX:
1358 /* SART must not configured with FAX */
1359 break;
1360 }
1361 udelay(1000);
1362 sendmsg(cs, dps | ISAR_HIS_BSTREQ, 0, 0, NULL);
1363 udelay(1000);
1364 }
1365
1366 static void
setup_iom2(struct BCState * bcs)1367 setup_iom2(struct BCState *bcs) {
1368 struct IsdnCardState *cs = bcs->cs;
1369 u_char dps = SET_DPS(bcs->hw.isar.dpath);
1370 u_char cmsb = IOM_CTRL_ENA, msg[5] = {IOM_P1_TXD,0,0,0,0};
1371
1372 if (bcs->channel)
1373 msg[1] = msg[3] = 1;
1374 switch (bcs->mode) {
1375 case L1_MODE_NULL:
1376 cmsb = 0;
1377 /* dummy slot */
1378 msg[1] = msg[3] = bcs->hw.isar.dpath + 2;
1379 break;
1380 case L1_MODE_TRANS:
1381 case L1_MODE_HDLC:
1382 break;
1383 case L1_MODE_V32:
1384 case L1_MODE_FAX:
1385 cmsb |= IOM_CTRL_ALAW | IOM_CTRL_RCV;
1386 break;
1387 }
1388 sendmsg(cs, dps | ISAR_HIS_IOM2CFG, cmsb, 5, msg);
1389 udelay(1000);
1390 sendmsg(cs, dps | ISAR_HIS_IOM2REQ, 0, 0, NULL);
1391 udelay(1000);
1392 }
1393
1394 static int
modeisar(struct BCState * bcs,int mode,int bc)1395 modeisar(struct BCState *bcs, int mode, int bc)
1396 {
1397 struct IsdnCardState *cs = bcs->cs;
1398
1399 /* Here we are selecting the best datapath for requested mode */
1400 if(bcs->mode == L1_MODE_NULL) { /* New Setup */
1401 bcs->channel = bc;
1402 switch (mode) {
1403 case L1_MODE_NULL: /* init */
1404 if (!bcs->hw.isar.dpath)
1405 /* no init for dpath 0 */
1406 return(0);
1407 break;
1408 case L1_MODE_TRANS:
1409 case L1_MODE_HDLC:
1410 /* best is datapath 2 */
1411 if (!test_and_set_bit(ISAR_DP2_USE,
1412 &bcs->hw.isar.reg->Flags))
1413 bcs->hw.isar.dpath = 2;
1414 else if (!test_and_set_bit(ISAR_DP1_USE,
1415 &bcs->hw.isar.reg->Flags))
1416 bcs->hw.isar.dpath = 1;
1417 else {
1418 printk(KERN_WARNING"isar modeisar both pathes in use\n");
1419 return(1);
1420 }
1421 break;
1422 case L1_MODE_V32:
1423 case L1_MODE_FAX:
1424 /* only datapath 1 */
1425 if (!test_and_set_bit(ISAR_DP1_USE,
1426 &bcs->hw.isar.reg->Flags))
1427 bcs->hw.isar.dpath = 1;
1428 else {
1429 printk(KERN_WARNING"isar modeisar analog funktions only with DP1\n");
1430 debugl1(cs, "isar modeisar analog funktions only with DP1");
1431 return(1);
1432 }
1433 break;
1434 }
1435 }
1436 if (cs->debug & L1_DEB_HSCX)
1437 debugl1(cs, "isar dp%d mode %d->%d ichan %d",
1438 bcs->hw.isar.dpath, bcs->mode, mode, bc);
1439 bcs->mode = mode;
1440 setup_pump(bcs);
1441 setup_iom2(bcs);
1442 setup_sart(bcs);
1443 if (bcs->mode == L1_MODE_NULL) {
1444 /* Clear resources */
1445 if (bcs->hw.isar.dpath == 1)
1446 test_and_clear_bit(ISAR_DP1_USE, &bcs->hw.isar.reg->Flags);
1447 else if (bcs->hw.isar.dpath == 2)
1448 test_and_clear_bit(ISAR_DP2_USE, &bcs->hw.isar.reg->Flags);
1449 bcs->hw.isar.dpath = 0;
1450 }
1451 return(0);
1452 }
1453
1454 static void
isar_pump_cmd(struct BCState * bcs,u_char cmd,u_char para)1455 isar_pump_cmd(struct BCState *bcs, u_char cmd, u_char para)
1456 {
1457 struct IsdnCardState *cs = bcs->cs;
1458 u_char dps = SET_DPS(bcs->hw.isar.dpath);
1459 u_char ctrl = 0, nom = 0, p1 = 0;
1460
1461 switch(cmd) {
1462 case ISDN_FAX_CLASS1_FTM:
1463 test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag);
1464 if (bcs->hw.isar.state == STFAX_READY) {
1465 p1 = para;
1466 ctrl = PCTRL_CMD_FTM;
1467 nom = 1;
1468 bcs->hw.isar.state = STFAX_LINE;
1469 bcs->hw.isar.cmd = ctrl;
1470 bcs->hw.isar.mod = para;
1471 bcs->hw.isar.newmod = 0;
1472 bcs->hw.isar.newcmd = 0;
1473 bcs->hw.isar.try_mod = 3;
1474 } else if ((bcs->hw.isar.state == STFAX_ACTIV) &&
1475 (bcs->hw.isar.cmd == PCTRL_CMD_FTM) &&
1476 (bcs->hw.isar.mod == para)) {
1477 ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT);
1478 } else {
1479 bcs->hw.isar.newmod = para;
1480 bcs->hw.isar.newcmd = PCTRL_CMD_FTM;
1481 nom = 0;
1482 ctrl = PCTRL_CMD_ESC;
1483 bcs->hw.isar.state = STFAX_ESCAPE;
1484 }
1485 break;
1486 case ISDN_FAX_CLASS1_FTH:
1487 test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag);
1488 if (bcs->hw.isar.state == STFAX_READY) {
1489 p1 = para;
1490 ctrl = PCTRL_CMD_FTH;
1491 nom = 1;
1492 bcs->hw.isar.state = STFAX_LINE;
1493 bcs->hw.isar.cmd = ctrl;
1494 bcs->hw.isar.mod = para;
1495 bcs->hw.isar.newmod = 0;
1496 bcs->hw.isar.newcmd = 0;
1497 bcs->hw.isar.try_mod = 3;
1498 } else if ((bcs->hw.isar.state == STFAX_ACTIV) &&
1499 (bcs->hw.isar.cmd == PCTRL_CMD_FTH) &&
1500 (bcs->hw.isar.mod == para)) {
1501 ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT);
1502 } else {
1503 bcs->hw.isar.newmod = para;
1504 bcs->hw.isar.newcmd = PCTRL_CMD_FTH;
1505 nom = 0;
1506 ctrl = PCTRL_CMD_ESC;
1507 bcs->hw.isar.state = STFAX_ESCAPE;
1508 }
1509 break;
1510 case ISDN_FAX_CLASS1_FRM:
1511 test_and_clear_bit(BC_FLG_FRH_WAIT, &bcs->Flag);
1512 if (bcs->hw.isar.state == STFAX_READY) {
1513 p1 = para;
1514 ctrl = PCTRL_CMD_FRM;
1515 nom = 1;
1516 bcs->hw.isar.state = STFAX_LINE;
1517 bcs->hw.isar.cmd = ctrl;
1518 bcs->hw.isar.mod = para;
1519 bcs->hw.isar.newmod = 0;
1520 bcs->hw.isar.newcmd = 0;
1521 bcs->hw.isar.try_mod = 3;
1522 } else if ((bcs->hw.isar.state == STFAX_ACTIV) &&
1523 (bcs->hw.isar.cmd == PCTRL_CMD_FRM) &&
1524 (bcs->hw.isar.mod == para)) {
1525 ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT);
1526 } else {
1527 bcs->hw.isar.newmod = para;
1528 bcs->hw.isar.newcmd = PCTRL_CMD_FRM;
1529 nom = 0;
1530 ctrl = PCTRL_CMD_ESC;
1531 bcs->hw.isar.state = STFAX_ESCAPE;
1532 }
1533 break;
1534 case ISDN_FAX_CLASS1_FRH:
1535 test_and_set_bit(BC_FLG_FRH_WAIT, &bcs->Flag);
1536 if (bcs->hw.isar.state == STFAX_READY) {
1537 p1 = para;
1538 ctrl = PCTRL_CMD_FRH;
1539 nom = 1;
1540 bcs->hw.isar.state = STFAX_LINE;
1541 bcs->hw.isar.cmd = ctrl;
1542 bcs->hw.isar.mod = para;
1543 bcs->hw.isar.newmod = 0;
1544 bcs->hw.isar.newcmd = 0;
1545 bcs->hw.isar.try_mod = 3;
1546 } else if ((bcs->hw.isar.state == STFAX_ACTIV) &&
1547 (bcs->hw.isar.cmd == PCTRL_CMD_FRH) &&
1548 (bcs->hw.isar.mod == para)) {
1549 ll_deliver_faxstat(bcs, ISDN_FAX_CLASS1_CONNECT);
1550 } else {
1551 bcs->hw.isar.newmod = para;
1552 bcs->hw.isar.newcmd = PCTRL_CMD_FRH;
1553 nom = 0;
1554 ctrl = PCTRL_CMD_ESC;
1555 bcs->hw.isar.state = STFAX_ESCAPE;
1556 }
1557 break;
1558 case ISDN_FAXPUMP_HALT:
1559 bcs->hw.isar.state = STFAX_NULL;
1560 nom = 0;
1561 ctrl = PCTRL_CMD_HALT;
1562 break;
1563 }
1564 if (ctrl)
1565 sendmsg(cs, dps | ISAR_HIS_PUMPCTRL, ctrl, nom, &p1);
1566 }
1567
1568 static void
isar_setup(struct IsdnCardState * cs)1569 isar_setup(struct IsdnCardState *cs)
1570 {
1571 u_char msg;
1572 int i;
1573
1574 /* Dpath 1, 2 */
1575 msg = 61;
1576 for (i=0; i<2; i++) {
1577 /* Buffer Config */
1578 sendmsg(cs, (i ? ISAR_HIS_DPS2 : ISAR_HIS_DPS1) |
1579 ISAR_HIS_P12CFG, 4, 1, &msg);
1580 cs->bcs[i].hw.isar.mml = msg;
1581 cs->bcs[i].mode = 0;
1582 cs->bcs[i].hw.isar.dpath = i + 1;
1583 modeisar(&cs->bcs[i], 0, 0);
1584 INIT_WORK(&cs->bcs[i].tqueue, isar_bh);
1585 }
1586 }
1587
1588 static void
isar_l2l1(struct PStack * st,int pr,void * arg)1589 isar_l2l1(struct PStack *st, int pr, void *arg)
1590 {
1591 struct BCState *bcs = st->l1.bcs;
1592 struct sk_buff *skb = arg;
1593 int ret;
1594 u_long flags;
1595
1596 switch (pr) {
1597 case (PH_DATA | REQUEST):
1598 spin_lock_irqsave(&bcs->cs->lock, flags);
1599 if (bcs->tx_skb) {
1600 skb_queue_tail(&bcs->squeue, skb);
1601 } else {
1602 bcs->tx_skb = skb;
1603 test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
1604 if (bcs->cs->debug & L1_DEB_HSCX)
1605 debugl1(bcs->cs, "DRQ set BC_FLG_BUSY");
1606 bcs->hw.isar.txcnt = 0;
1607 bcs->cs->BC_Send_Data(bcs);
1608 }
1609 spin_unlock_irqrestore(&bcs->cs->lock, flags);
1610 break;
1611 case (PH_PULL | INDICATION):
1612 spin_lock_irqsave(&bcs->cs->lock, flags);
1613 if (bcs->tx_skb) {
1614 printk(KERN_WARNING "isar_l2l1: this shouldn't happen\n");
1615 } else {
1616 test_and_set_bit(BC_FLG_BUSY, &bcs->Flag);
1617 if (bcs->cs->debug & L1_DEB_HSCX)
1618 debugl1(bcs->cs, "PUI set BC_FLG_BUSY");
1619 bcs->tx_skb = skb;
1620 bcs->hw.isar.txcnt = 0;
1621 bcs->cs->BC_Send_Data(bcs);
1622 }
1623 spin_unlock_irqrestore(&bcs->cs->lock, flags);
1624 break;
1625 case (PH_PULL | REQUEST):
1626 if (!bcs->tx_skb) {
1627 test_and_clear_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
1628 st->l1.l1l2(st, PH_PULL | CONFIRM, NULL);
1629 } else
1630 test_and_set_bit(FLG_L1_PULL_REQ, &st->l1.Flags);
1631 break;
1632 case (PH_ACTIVATE | REQUEST):
1633 spin_lock_irqsave(&bcs->cs->lock, flags);
1634 test_and_set_bit(BC_FLG_ACTIV, &bcs->Flag);
1635 bcs->hw.isar.conmsg[0] = 0;
1636 if (test_bit(FLG_ORIG, &st->l2.flag))
1637 test_and_set_bit(BC_FLG_ORIG, &bcs->Flag);
1638 else
1639 test_and_clear_bit(BC_FLG_ORIG, &bcs->Flag);
1640 switch(st->l1.mode) {
1641 case L1_MODE_TRANS:
1642 case L1_MODE_HDLC:
1643 ret = modeisar(bcs, st->l1.mode, st->l1.bc);
1644 spin_unlock_irqrestore(&bcs->cs->lock, flags);
1645 if (ret)
1646 l1_msg_b(st, PH_DEACTIVATE | REQUEST, arg);
1647 else
1648 l1_msg_b(st, PH_ACTIVATE | REQUEST, arg);
1649 break;
1650 case L1_MODE_V32:
1651 case L1_MODE_FAX:
1652 ret = modeisar(bcs, st->l1.mode, st->l1.bc);
1653 spin_unlock_irqrestore(&bcs->cs->lock, flags);
1654 if (ret)
1655 l1_msg_b(st, PH_DEACTIVATE | REQUEST, arg);
1656 break;
1657 default:
1658 spin_unlock_irqrestore(&bcs->cs->lock, flags);
1659 break;
1660 }
1661 break;
1662 case (PH_DEACTIVATE | REQUEST):
1663 l1_msg_b(st, pr, arg);
1664 break;
1665 case (PH_DEACTIVATE | CONFIRM):
1666 spin_lock_irqsave(&bcs->cs->lock, flags);
1667 switch(st->l1.mode) {
1668 case L1_MODE_TRANS:
1669 case L1_MODE_HDLC:
1670 case L1_MODE_V32:
1671 break;
1672 case L1_MODE_FAX:
1673 isar_pump_cmd(bcs, ISDN_FAXPUMP_HALT, 0);
1674 break;
1675 }
1676 test_and_clear_bit(BC_FLG_ACTIV, &bcs->Flag);
1677 test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
1678 if (bcs->cs->debug & L1_DEB_HSCX)
1679 debugl1(bcs->cs, "PDAC clear BC_FLG_BUSY");
1680 modeisar(bcs, 0, st->l1.bc);
1681 spin_unlock_irqrestore(&bcs->cs->lock, flags);
1682 st->l1.l1l2(st, PH_DEACTIVATE | CONFIRM, NULL);
1683 break;
1684 }
1685 }
1686
1687 static void
close_isarstate(struct BCState * bcs)1688 close_isarstate(struct BCState *bcs)
1689 {
1690 modeisar(bcs, 0, bcs->channel);
1691 if (test_and_clear_bit(BC_FLG_INIT, &bcs->Flag)) {
1692 kfree(bcs->hw.isar.rcvbuf);
1693 bcs->hw.isar.rcvbuf = NULL;
1694 skb_queue_purge(&bcs->rqueue);
1695 skb_queue_purge(&bcs->squeue);
1696 if (bcs->tx_skb) {
1697 dev_kfree_skb_any(bcs->tx_skb);
1698 bcs->tx_skb = NULL;
1699 test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
1700 if (bcs->cs->debug & L1_DEB_HSCX)
1701 debugl1(bcs->cs, "closeisar clear BC_FLG_BUSY");
1702 }
1703 }
1704 del_timer(&bcs->hw.isar.ftimer);
1705 }
1706
1707 static int
open_isarstate(struct IsdnCardState * cs,struct BCState * bcs)1708 open_isarstate(struct IsdnCardState *cs, struct BCState *bcs)
1709 {
1710 if (!test_and_set_bit(BC_FLG_INIT, &bcs->Flag)) {
1711 if (!(bcs->hw.isar.rcvbuf = kmalloc(HSCX_BUFMAX, GFP_ATOMIC))) {
1712 printk(KERN_WARNING
1713 "HiSax: No memory for isar.rcvbuf\n");
1714 return (1);
1715 }
1716 skb_queue_head_init(&bcs->rqueue);
1717 skb_queue_head_init(&bcs->squeue);
1718 }
1719 bcs->tx_skb = NULL;
1720 test_and_clear_bit(BC_FLG_BUSY, &bcs->Flag);
1721 if (cs->debug & L1_DEB_HSCX)
1722 debugl1(cs, "openisar clear BC_FLG_BUSY");
1723 bcs->event = 0;
1724 bcs->hw.isar.rcvidx = 0;
1725 bcs->tx_cnt = 0;
1726 return (0);
1727 }
1728
1729 static int
setstack_isar(struct PStack * st,struct BCState * bcs)1730 setstack_isar(struct PStack *st, struct BCState *bcs)
1731 {
1732 bcs->channel = st->l1.bc;
1733 if (open_isarstate(st->l1.hardware, bcs))
1734 return (-1);
1735 st->l1.bcs = bcs;
1736 st->l2.l2l1 = isar_l2l1;
1737 setstack_manager(st);
1738 bcs->st = st;
1739 setstack_l1_B(st);
1740 return (0);
1741 }
1742
1743 int
isar_auxcmd(struct IsdnCardState * cs,isdn_ctrl * ic)1744 isar_auxcmd(struct IsdnCardState *cs, isdn_ctrl *ic) {
1745 u_long adr;
1746 int features, i;
1747 struct BCState *bcs;
1748
1749 if (cs->debug & L1_DEB_HSCX)
1750 debugl1(cs, "isar_auxcmd cmd/ch %x/%d", ic->command, ic->arg);
1751 switch (ic->command) {
1752 case (ISDN_CMD_FAXCMD):
1753 bcs = cs->channel[ic->arg].bcs;
1754 if (cs->debug & L1_DEB_HSCX)
1755 debugl1(cs, "isar_auxcmd cmd/subcmd %d/%d",
1756 ic->parm.aux.cmd, ic->parm.aux.subcmd);
1757 switch(ic->parm.aux.cmd) {
1758 case ISDN_FAX_CLASS1_CTRL:
1759 if (ic->parm.aux.subcmd == ETX)
1760 test_and_set_bit(BC_FLG_DLEETX,
1761 &bcs->Flag);
1762 break;
1763 case ISDN_FAX_CLASS1_FTS:
1764 if (ic->parm.aux.subcmd == AT_QUERY) {
1765 ic->command = ISDN_STAT_FAXIND;
1766 ic->parm.aux.cmd = ISDN_FAX_CLASS1_OK;
1767 cs->iif.statcallb(ic);
1768 return(0);
1769 } else if (ic->parm.aux.subcmd == AT_EQ_QUERY) {
1770 strcpy(ic->parm.aux.para, "0-255");
1771 ic->command = ISDN_STAT_FAXIND;
1772 ic->parm.aux.cmd = ISDN_FAX_CLASS1_QUERY;
1773 cs->iif.statcallb(ic);
1774 return(0);
1775 } else if (ic->parm.aux.subcmd == AT_EQ_VALUE) {
1776 if (cs->debug & L1_DEB_HSCX)
1777 debugl1(cs, "isar_auxcmd %s=%d",
1778 FC1_CMD[ic->parm.aux.cmd], ic->parm.aux.para[0]);
1779 if (bcs->hw.isar.state == STFAX_READY) {
1780 if (! ic->parm.aux.para[0]) {
1781 ic->command = ISDN_STAT_FAXIND;
1782 ic->parm.aux.cmd = ISDN_FAX_CLASS1_OK;
1783 cs->iif.statcallb(ic);
1784 return(0);
1785 }
1786 if (! test_and_set_bit(BC_FLG_FTI_RUN, &bcs->Flag)) {
1787 /* n*10 ms */
1788 bcs->hw.isar.ftimer.expires =
1789 jiffies + ((ic->parm.aux.para[0] * 10 * HZ)/1000);
1790 test_and_set_bit(BC_FLG_FTI_FTS, &bcs->Flag);
1791 add_timer(&bcs->hw.isar.ftimer);
1792 return(0);
1793 } else {
1794 if (cs->debug)
1795 debugl1(cs, "isar FTS=%d and FTI busy",
1796 ic->parm.aux.para[0]);
1797 }
1798 } else {
1799 if (cs->debug)
1800 debugl1(cs, "isar FTS=%d and isar.state not ready(%x)",
1801 ic->parm.aux.para[0],bcs->hw.isar.state);
1802 }
1803 ic->command = ISDN_STAT_FAXIND;
1804 ic->parm.aux.cmd = ISDN_FAX_CLASS1_ERROR;
1805 cs->iif.statcallb(ic);
1806 }
1807 break;
1808 case ISDN_FAX_CLASS1_FRM:
1809 case ISDN_FAX_CLASS1_FRH:
1810 case ISDN_FAX_CLASS1_FTM:
1811 case ISDN_FAX_CLASS1_FTH:
1812 if (ic->parm.aux.subcmd == AT_QUERY) {
1813 sprintf(ic->parm.aux.para,
1814 "%d", bcs->hw.isar.mod);
1815 ic->command = ISDN_STAT_FAXIND;
1816 ic->parm.aux.cmd = ISDN_FAX_CLASS1_QUERY;
1817 cs->iif.statcallb(ic);
1818 return(0);
1819 } else if (ic->parm.aux.subcmd == AT_EQ_QUERY) {
1820 char *p = ic->parm.aux.para;
1821 for(i=0;i<FAXMODCNT;i++)
1822 if ((1<<i) & modmask)
1823 p += sprintf(p, "%d,", faxmodulation[i]);
1824 p--;
1825 *p=0;
1826 ic->command = ISDN_STAT_FAXIND;
1827 ic->parm.aux.cmd = ISDN_FAX_CLASS1_QUERY;
1828 cs->iif.statcallb(ic);
1829 return(0);
1830 } else if (ic->parm.aux.subcmd == AT_EQ_VALUE) {
1831 if (cs->debug & L1_DEB_HSCX)
1832 debugl1(cs, "isar_auxcmd %s=%d",
1833 FC1_CMD[ic->parm.aux.cmd], ic->parm.aux.para[0]);
1834 for(i=0;i<FAXMODCNT;i++)
1835 if (faxmodulation[i]==ic->parm.aux.para[0])
1836 break;
1837 if ((i < FAXMODCNT) && ((1<<i) & modmask) &&
1838 test_bit(BC_FLG_INIT, &bcs->Flag)) {
1839 isar_pump_cmd(bcs,
1840 ic->parm.aux.cmd,
1841 ic->parm.aux.para[0]);
1842 return(0);
1843 }
1844 }
1845 /* wrong modulation or not activ */
1846 /* fall through */
1847 default:
1848 ic->command = ISDN_STAT_FAXIND;
1849 ic->parm.aux.cmd = ISDN_FAX_CLASS1_ERROR;
1850 cs->iif.statcallb(ic);
1851 }
1852 break;
1853 case (ISDN_CMD_IOCTL):
1854 switch (ic->arg) {
1855 case 9: /* load firmware */
1856 features = ISDN_FEATURE_L2_MODEM |
1857 ISDN_FEATURE_L2_FAX |
1858 ISDN_FEATURE_L3_FCLASS1;
1859 memcpy(&adr, ic->parm.num, sizeof(ulong));
1860 if (isar_load_firmware(cs, (u_char __user *)adr))
1861 return(1);
1862 else
1863 ll_run(cs, features);
1864 break;
1865 case 20:
1866 features = *(unsigned int *) ic->parm.num;
1867 printk(KERN_DEBUG "HiSax: max modulation old(%04x) new(%04x)\n",
1868 modmask, features);
1869 modmask = features;
1870 break;
1871 case 21:
1872 features = *(unsigned int *) ic->parm.num;
1873 printk(KERN_DEBUG "HiSax: FRM extra delay old(%d) new(%d) ms\n",
1874 frm_extra_delay, features);
1875 if (features >= 0)
1876 frm_extra_delay = features;
1877 break;
1878 case 22:
1879 features = *(unsigned int *) ic->parm.num;
1880 printk(KERN_DEBUG "HiSax: TOA old(%d) new(%d) db\n",
1881 para_TOA, features);
1882 if (features >= 0 && features < 32)
1883 para_TOA = features;
1884 break;
1885 default:
1886 printk(KERN_DEBUG "HiSax: invalid ioctl %d\n",
1887 (int) ic->arg);
1888 return(-EINVAL);
1889 }
1890 break;
1891 default:
1892 return(-EINVAL);
1893 }
1894 return(0);
1895 }
1896
initisar(struct IsdnCardState * cs)1897 void initisar(struct IsdnCardState *cs)
1898 {
1899 cs->bcs[0].BC_SetStack = setstack_isar;
1900 cs->bcs[1].BC_SetStack = setstack_isar;
1901 cs->bcs[0].BC_Close = close_isarstate;
1902 cs->bcs[1].BC_Close = close_isarstate;
1903 cs->bcs[0].hw.isar.ftimer.function = (void *) ftimer_handler;
1904 cs->bcs[0].hw.isar.ftimer.data = (long) &cs->bcs[0];
1905 init_timer(&cs->bcs[0].hw.isar.ftimer);
1906 cs->bcs[1].hw.isar.ftimer.function = (void *) ftimer_handler;
1907 cs->bcs[1].hw.isar.ftimer.data = (long) &cs->bcs[1];
1908 init_timer(&cs->bcs[1].hw.isar.ftimer);
1909 }
1910