drivers/isdn/hisax/isar.c

   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
  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
  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
  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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
 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
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
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
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
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
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
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
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
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
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
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
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
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
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
1897 void __devinit
1898 initisar(struct IsdnCardState *cs)
1899 {
1900         cs->bcs[0].BC_SetStack = setstack_isar;
1901         cs->bcs[1].BC_SetStack = setstack_isar;
1902         cs->bcs[0].BC_Close = close_isarstate;
1903         cs->bcs[1].BC_Close = close_isarstate;
1904         cs->bcs[0].hw.isar.ftimer.function = (void *) ftimer_handler;
1905         cs->bcs[0].hw.isar.ftimer.data = (long) &cs->bcs[0];
1906         init_timer(&cs->bcs[0].hw.isar.ftimer);
1907         cs->bcs[1].hw.isar.ftimer.function = (void *) ftimer_handler;
1908         cs->bcs[1].hw.isar.ftimer.data = (long) &cs->bcs[1];
1909         init_timer(&cs->bcs[1].hw.isar.ftimer);
1910 }