kernel/drivers/isdn/hisax/gazel.c

   1 /* $Id: gazel.c,v 2.19.2.4 2004/01/14 16:04:48 keil Exp $
   2  *
   3  * low level stuff for Gazel isdn cards
   4  *
   5  * Author       BeWan Systems
   6  *              based on source code from Karsten Keil
   7  * Copyright    by BeWan Systems
   8  *
   9  * This software may be used and distributed according to the terms
  10  * of the GNU General Public License, incorporated herein by reference.
  11  *
  12  */
  13
  14 #include <linux/init.h>
  15 #include "hisax.h"
  16 #include "isac.h"
  17 #include "hscx.h"
  18 #include "isdnl1.h"
  19 #include "ipac.h"
  20 #include <linux/pci.h>
  21
  22 static const char *gazel_revision = "$Revision: 2.19.2.4 $";
  23
  24 #define R647      1
  25 #define R685      2
  26 #define R753      3
  27 #define R742      4
  28
  29 #define PLX_CNTRL    0x50       /* registre de controle PLX */
  30 #define RESET_GAZEL  0x4
  31 #define RESET_9050   0x40000000
  32 #define PLX_INCSR    0x4C       /* registre d'IT du 9050 */
  33 #define INT_ISAC_EN  0x8        /* 1 = enable IT isac */
  34 #define INT_ISAC     0x20       /* 1 = IT isac en cours */
  35 #define INT_HSCX_EN  0x1        /* 1 = enable IT hscx */
  36 #define INT_HSCX     0x4        /* 1 = IT hscx en cours */
  37 #define INT_PCI_EN   0x40       /* 1 = enable IT PCI */
  38 #define INT_IPAC_EN  0x3        /* enable IT ipac */
  39
  40
  41 #define byteout(addr, val) outb(val, addr)
  42 #define bytein(addr) inb(addr)
  43
  44 static inline u_char
  45 readreg(unsigned int adr, u_short off)
  46 {
  47         return bytein(adr + off);
  48 }
  49
  50 static inline void
  51 writereg(unsigned int adr, u_short off, u_char data)
  52 {
  53         byteout(adr + off, data);
  54 }
  55
  56
  57 static inline void
  58 read_fifo(unsigned int adr, u_char *data, int size)
  59 {
  60         insb(adr, data, size);
  61 }
  62
  63 static void
  64 write_fifo(unsigned int adr, u_char *data, int size)
  65 {
  66         outsb(adr, data, size);
  67 }
  68
  69 static inline u_char
  70 readreg_ipac(unsigned int adr, u_short off)
  71 {
  72         register u_char ret;
  73
  74         byteout(adr, off);
  75         ret = bytein(adr + 4);
  76         return ret;
  77 }
  78
  79 static inline void
  80 writereg_ipac(unsigned int adr, u_short off, u_char data)
  81 {
  82         byteout(adr, off);
  83         byteout(adr + 4, data);
  84 }
  85
  86
  87 static inline void
  88 read_fifo_ipac(unsigned int adr, u_short off, u_char *data, int size)
  89 {
  90         byteout(adr, off);
  91         insb(adr + 4, data, size);
  92 }
  93
  94 static void
  95 write_fifo_ipac(unsigned int adr, u_short off, u_char *data, int size)
  96 {
  97         byteout(adr, off);
  98         outsb(adr + 4, data, size);
  99 }
 100
 101 /* Interface functions */
 102
 103 static u_char
 104 ReadISAC(struct IsdnCardState *cs, u_char offset)
 105 {
 106         u_short off2 = offset;
 107
 108         switch (cs->subtyp) {
 109         case R647:
 110                 off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
 111         case R685:
 112                 return (readreg(cs->hw.gazel.isac, off2));
 113         case R753:
 114         case R742:
 115                 return (readreg_ipac(cs->hw.gazel.ipac, 0x80 + off2));
 116         }
 117         return 0;
 118 }
 119
 120 static void
 121 WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
 122 {
 123         u_short off2 = offset;
 124
 125         switch (cs->subtyp) {
 126         case R647:
 127                 off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
 128         case R685:
 129                 writereg(cs->hw.gazel.isac, off2, value);
 130                 break;
 131         case R753:
 132         case R742:
 133                 writereg_ipac(cs->hw.gazel.ipac, 0x80 + off2, value);
 134                 break;
 135         }
 136 }
 137
 138 static void
 139 ReadISACfifo(struct IsdnCardState *cs, u_char *data, int size)
 140 {
 141         switch (cs->subtyp) {
 142         case R647:
 143         case R685:
 144                 read_fifo(cs->hw.gazel.isacfifo, data, size);
 145                 break;
 146         case R753:
 147         case R742:
 148                 read_fifo_ipac(cs->hw.gazel.ipac, 0x80, data, size);
 149                 break;
 150         }
 151 }
 152
 153 static void
 154 WriteISACfifo(struct IsdnCardState *cs, u_char *data, int size)
 155 {
 156         switch (cs->subtyp) {
 157         case R647:
 158         case R685:
 159                 write_fifo(cs->hw.gazel.isacfifo, data, size);
 160                 break;
 161         case R753:
 162         case R742:
 163                 write_fifo_ipac(cs->hw.gazel.ipac, 0x80, data, size);
 164                 break;
 165         }
 166 }
 167
 168 static void
 169 ReadHSCXfifo(struct IsdnCardState *cs, int hscx, u_char *data, int size)
 170 {
 171         switch (cs->subtyp) {
 172         case R647:
 173         case R685:
 174                 read_fifo(cs->hw.gazel.hscxfifo[hscx], data, size);
 175                 break;
 176         case R753:
 177         case R742:
 178                 read_fifo_ipac(cs->hw.gazel.ipac, hscx * 0x40, data, size);
 179                 break;
 180         }
 181 }
 182
 183 static void
 184 WriteHSCXfifo(struct IsdnCardState *cs, int hscx, u_char *data, int size)
 185 {
 186         switch (cs->subtyp) {
 187         case R647:
 188         case R685:
 189                 write_fifo(cs->hw.gazel.hscxfifo[hscx], data, size);
 190                 break;
 191         case R753:
 192         case R742:
 193                 write_fifo_ipac(cs->hw.gazel.ipac, hscx * 0x40, data, size);
 194                 break;
 195         }
 196 }
 197
 198 static u_char
 199 ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
 200 {
 201         u_short off2 = offset;
 202
 203         switch (cs->subtyp) {
 204         case R647:
 205                 off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
 206         case R685:
 207                 return (readreg(cs->hw.gazel.hscx[hscx], off2));
 208         case R753:
 209         case R742:
 210                 return (readreg_ipac(cs->hw.gazel.ipac, hscx * 0x40 + off2));
 211         }
 212         return 0;
 213 }
 214
 215 static void
 216 WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
 217 {
 218         u_short off2 = offset;
 219
 220         switch (cs->subtyp) {
 221         case R647:
 222                 off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
 223         case R685:
 224                 writereg(cs->hw.gazel.hscx[hscx], off2, value);
 225                 break;
 226         case R753:
 227         case R742:
 228                 writereg_ipac(cs->hw.gazel.ipac, hscx * 0x40 + off2, value);
 229                 break;
 230         }
 231 }
 232
 233 /*
 234  * fast interrupt HSCX stuff goes here
 235  */
 236
 237 #define READHSCX(cs, nr, reg) ReadHSCX(cs, nr, reg)
 238 #define WRITEHSCX(cs, nr, reg, data) WriteHSCX(cs, nr, reg, data)
 239 #define READHSCXFIFO(cs, nr, ptr, cnt) ReadHSCXfifo(cs, nr, ptr, cnt)
 240 #define WRITEHSCXFIFO(cs, nr, ptr, cnt) WriteHSCXfifo(cs, nr, ptr, cnt)
 241
 242 #include "hscx_irq.c"
 243
 244 static irqreturn_t
 245 gazel_interrupt(int intno, void *dev_id)
 246 {
 247 #define MAXCOUNT 5
 248         struct IsdnCardState *cs = dev_id;
 249         u_char valisac, valhscx;
 250         int count = 0;
 251         u_long flags;
 252
 253         spin_lock_irqsave(&cs->lock, flags);
 254         do {
 255                 valhscx = ReadHSCX(cs, 1, HSCX_ISTA);
 256                 if (valhscx)
 257                         hscx_int_main(cs, valhscx);
 258                 valisac = ReadISAC(cs, ISAC_ISTA);
 259                 if (valisac)
 260                         isac_interrupt(cs, valisac);
 261                 count++;
 262         } while ((valhscx || valisac) && (count < MAXCOUNT));
 263
 264         WriteHSCX(cs, 0, HSCX_MASK, 0xFF);
 265         WriteHSCX(cs, 1, HSCX_MASK, 0xFF);
 266         WriteISAC(cs, ISAC_MASK, 0xFF);
 267         WriteISAC(cs, ISAC_MASK, 0x0);
 268         WriteHSCX(cs, 0, HSCX_MASK, 0x0);
 269         WriteHSCX(cs, 1, HSCX_MASK, 0x0);
 270         spin_unlock_irqrestore(&cs->lock, flags);
 271         return IRQ_HANDLED;
 272 }
 273
 274
 275 static irqreturn_t
 276 gazel_interrupt_ipac(int intno, void *dev_id)
 277 {
 278         struct IsdnCardState *cs = dev_id;
 279         u_char ista, val;
 280         int count = 0;
 281         u_long flags;
 282
 283         spin_lock_irqsave(&cs->lock, flags);
 284         ista = ReadISAC(cs, IPAC_ISTA - 0x80);
 285         do {
 286                 if (ista & 0x0f) {
 287                         val = ReadHSCX(cs, 1, HSCX_ISTA);
 288                         if (ista & 0x01)
 289                                 val |= 0x01;
 290                         if (ista & 0x04)
 291                                 val |= 0x02;
 292                         if (ista & 0x08)
 293                                 val |= 0x04;
 294                         if (val) {
 295                                 hscx_int_main(cs, val);
 296                         }
 297                 }
 298                 if (ista & 0x20) {
 299                         val = 0xfe & ReadISAC(cs, ISAC_ISTA);
 300                         if (val) {
 301                                 isac_interrupt(cs, val);
 302                         }
 303                 }
 304                 if (ista & 0x10) {
 305                         val = 0x01;
 306                         isac_interrupt(cs, val);
 307                 }
 308                 ista = ReadISAC(cs, IPAC_ISTA - 0x80);
 309                 count++;
 310         }
 311         while ((ista & 0x3f) && (count < MAXCOUNT));
 312
 313         WriteISAC(cs, IPAC_MASK - 0x80, 0xFF);
 314         WriteISAC(cs, IPAC_MASK - 0x80, 0xC0);
 315         spin_unlock_irqrestore(&cs->lock, flags);
 316         return IRQ_HANDLED;
 317 }
 318
 319 static void
 320 release_io_gazel(struct IsdnCardState *cs)
 321 {
 322         unsigned int i;
 323
 324         switch (cs->subtyp) {
 325         case R647:
 326                 for (i = 0x0000; i < 0xC000; i += 0x1000)
 327                         release_region(i + cs->hw.gazel.hscx[0], 16);
 328                 release_region(0xC000 + cs->hw.gazel.hscx[0], 1);
 329                 break;
 330
 331         case R685:
 332                 release_region(cs->hw.gazel.hscx[0], 0x100);
 333                 release_region(cs->hw.gazel.cfg_reg, 0x80);
 334                 break;
 335
 336         case R753:
 337                 release_region(cs->hw.gazel.ipac, 0x8);
 338                 release_region(cs->hw.gazel.cfg_reg, 0x80);
 339                 break;
 340
 341         case R742:
 342                 release_region(cs->hw.gazel.ipac, 8);
 343                 break;
 344         }
 345 }
 346
 347 static int
 348 reset_gazel(struct IsdnCardState *cs)
 349 {
 350         unsigned long plxcntrl, addr = cs->hw.gazel.cfg_reg;
 351
 352         switch (cs->subtyp) {
 353         case R647:
 354                 writereg(addr, 0, 0);
 355                 HZDELAY(10);
 356                 writereg(addr, 0, 1);
 357                 HZDELAY(2);
 358                 break;
 359         case R685:
 360                 plxcntrl = inl(addr + PLX_CNTRL);
 361                 plxcntrl |= (RESET_9050 + RESET_GAZEL);
 362                 outl(plxcntrl, addr + PLX_CNTRL);
 363                 plxcntrl &= ~(RESET_9050 + RESET_GAZEL);
 364                 HZDELAY(4);
 365                 outl(plxcntrl, addr + PLX_CNTRL);
 366                 HZDELAY(10);
 367                 outb(INT_ISAC_EN + INT_HSCX_EN + INT_PCI_EN, addr + PLX_INCSR);
 368                 break;
 369         case R753:
 370                 plxcntrl = inl(addr + PLX_CNTRL);
 371                 plxcntrl |= (RESET_9050 + RESET_GAZEL);
 372                 outl(plxcntrl, addr + PLX_CNTRL);
 373                 plxcntrl &= ~(RESET_9050 + RESET_GAZEL);
 374                 WriteISAC(cs, IPAC_POTA2 - 0x80, 0x20);
 375                 HZDELAY(4);
 376                 outl(plxcntrl, addr + PLX_CNTRL);
 377                 HZDELAY(10);
 378                 WriteISAC(cs, IPAC_POTA2 - 0x80, 0x00);
 379                 WriteISAC(cs, IPAC_ACFG - 0x80, 0xff);
 380                 WriteISAC(cs, IPAC_AOE - 0x80, 0x0);
 381                 WriteISAC(cs, IPAC_MASK - 0x80, 0xff);
 382                 WriteISAC(cs, IPAC_CONF - 0x80, 0x1);
 383                 outb(INT_IPAC_EN + INT_PCI_EN, addr + PLX_INCSR);
 384                 WriteISAC(cs, IPAC_MASK - 0x80, 0xc0);
 385                 break;
 386         case R742:
 387                 WriteISAC(cs, IPAC_POTA2 - 0x80, 0x20);
 388                 HZDELAY(4);
 389                 WriteISAC(cs, IPAC_POTA2 - 0x80, 0x00);
 390                 WriteISAC(cs, IPAC_ACFG - 0x80, 0xff);
 391                 WriteISAC(cs, IPAC_AOE - 0x80, 0x0);
 392                 WriteISAC(cs, IPAC_MASK - 0x80, 0xff);
 393                 WriteISAC(cs, IPAC_CONF - 0x80, 0x1);
 394                 WriteISAC(cs, IPAC_MASK - 0x80, 0xc0);
 395                 break;
 396         }
 397         return (0);
 398 }
 399
 400 static int
 401 Gazel_card_msg(struct IsdnCardState *cs, int mt, void *arg)
 402 {
 403         u_long flags;
 404
 405         switch (mt) {
 406         case CARD_RESET:
 407                 spin_lock_irqsave(&cs->lock, flags);
 408                 reset_gazel(cs);
 409                 spin_unlock_irqrestore(&cs->lock, flags);
 410                 return (0);
 411         case CARD_RELEASE:
 412                 release_io_gazel(cs);
 413                 return (0);
 414         case CARD_INIT:
 415                 spin_lock_irqsave(&cs->lock, flags);
 416                 inithscxisac(cs, 1);
 417                 if ((cs->subtyp == R647) || (cs->subtyp == R685)) {
 418                         int i;
 419                         for (i = 0; i < (2 + MAX_WAITING_CALLS); i++) {
 420                                 cs->bcs[i].hw.hscx.tsaxr0 = 0x1f;
 421                                 cs->bcs[i].hw.hscx.tsaxr1 = 0x23;
 422                         }
 423                 }
 424                 spin_unlock_irqrestore(&cs->lock, flags);
 425                 return (0);
 426         case CARD_TEST:
 427                 return (0);
 428         }
 429         return (0);
 430 }
 431
 432 static int
 433 reserve_regions(struct IsdnCard *card, struct IsdnCardState *cs)
 434 {
 435         unsigned int i, j, base = 0, adr = 0, len = 0;
 436
 437         switch (cs->subtyp) {
 438         case R647:
 439                 base = cs->hw.gazel.hscx[0];
 440                 if (!request_region(adr = (0xC000 + base), len = 1, "gazel"))
 441                         goto error;
 442                 for (i = 0x0000; i < 0xC000; i += 0x1000) {
 443                         if (!request_region(adr = (i + base), len = 16, "gazel"))
 444                                 goto error;
 445                 }
 446                 if (i != 0xC000) {
 447                         for (j = 0; j < i; j += 0x1000)
 448                                 release_region(j + base, 16);
 449                         release_region(0xC000 + base, 1);
 450                         goto error;
 451                 }
 452                 break;
 453
 454         case R685:
 455                 if (!request_region(adr = cs->hw.gazel.hscx[0], len = 0x100, "gazel"))
 456                         goto error;
 457                 if (!request_region(adr = cs->hw.gazel.cfg_reg, len = 0x80, "gazel")) {
 458                         release_region(cs->hw.gazel.hscx[0], 0x100);
 459                         goto error;
 460                 }
 461                 break;
 462
 463         case R753:
 464                 if (!request_region(adr = cs->hw.gazel.ipac, len = 0x8, "gazel"))
 465                         goto error;
 466                 if (!request_region(adr = cs->hw.gazel.cfg_reg, len = 0x80, "gazel")) {
 467                         release_region(cs->hw.gazel.ipac, 8);
 468                         goto error;
 469                 }
 470                 break;
 471
 472         case R742:
 473                 if (!request_region(adr = cs->hw.gazel.ipac, len = 0x8, "gazel"))
 474                         goto error;
 475                 break;
 476         }
 477
 478         return 0;
 479
 480 error:
 481         printk(KERN_WARNING "Gazel: io ports 0x%x-0x%x already in use\n",
 482                adr, adr + len);
 483         return 1;
 484 }
 485
 486 static int setup_gazelisa(struct IsdnCard *card, struct IsdnCardState *cs)
 487 {
 488         printk(KERN_INFO "Gazel: ISA PnP card automatic recognition\n");
 489         // we got an irq parameter, assume it is an ISA card
 490         // R742 decodes address even in not started...
 491         // R647 returns FF if not present or not started
 492         // eventually needs improvment
 493         if (readreg_ipac(card->para[1], IPAC_ID) == 1)
 494                 cs->subtyp = R742;
 495         else
 496                 cs->subtyp = R647;
 497
 498         setup_isac(cs);
 499         cs->hw.gazel.cfg_reg = card->para[1] + 0xC000;
 500         cs->hw.gazel.ipac = card->para[1];
 501         cs->hw.gazel.isac = card->para[1] + 0x8000;
 502         cs->hw.gazel.hscx[0] = card->para[1];
 503         cs->hw.gazel.hscx[1] = card->para[1] + 0x4000;
 504         cs->irq = card->para[0];
 505         cs->hw.gazel.isacfifo = cs->hw.gazel.isac;
 506         cs->hw.gazel.hscxfifo[0] = cs->hw.gazel.hscx[0];
 507         cs->hw.gazel.hscxfifo[1] = cs->hw.gazel.hscx[1];
 508
 509         switch (cs->subtyp) {
 510         case R647:
 511                 printk(KERN_INFO "Gazel: Card ISA R647/R648 found\n");
 512                 cs->dc.isac.adf2 = 0x87;
 513                 printk(KERN_INFO
 514                        "Gazel: config irq:%d isac:0x%X  cfg:0x%X\n",
 515                        cs->irq, cs->hw.gazel.isac, cs->hw.gazel.cfg_reg);
 516                 printk(KERN_INFO
 517                        "Gazel: hscx A:0x%X  hscx B:0x%X\n",
 518                        cs->hw.gazel.hscx[0], cs->hw.gazel.hscx[1]);
 519
 520                 break;
 521         case R742:
 522                 printk(KERN_INFO "Gazel: Card ISA R742 found\n");
 523                 test_and_set_bit(HW_IPAC, &cs->HW_Flags);
 524                 printk(KERN_INFO
 525                        "Gazel: config irq:%d ipac:0x%X\n",
 526                        cs->irq, cs->hw.gazel.ipac);
 527                 break;
 528         }
 529
 530         return (0);
 531 }
 532
 533 #ifdef CONFIG_PCI
 534 static struct pci_dev *dev_tel = NULL;
 535
 536 static int setup_gazelpci(struct IsdnCardState *cs)
 537 {
 538         u_int pci_ioaddr0 = 0, pci_ioaddr1 = 0;
 539         u_char pci_irq = 0, found;
 540         u_int nbseek, seekcard;
 541
 542         printk(KERN_WARNING "Gazel: PCI card automatic recognition\n");
 543
 544         found = 0;
 545         seekcard = PCI_DEVICE_ID_PLX_R685;
 546         for (nbseek = 0; nbseek < 4; nbseek++) {
 547                 if ((dev_tel = hisax_find_pci_device(PCI_VENDOR_ID_PLX,
 548                                                      seekcard, dev_tel))) {
 549                         if (pci_enable_device(dev_tel))
 550                                 return 1;
 551                         pci_irq = dev_tel->irq;
 552                         pci_ioaddr0 = pci_resource_start(dev_tel, 1);
 553                         pci_ioaddr1 = pci_resource_start(dev_tel, 2);
 554                         found = 1;
 555                 }
 556                 if (found)
 557                         break;
 558                 else {
 559                         switch (seekcard) {
 560                         case PCI_DEVICE_ID_PLX_R685:
 561                                 seekcard = PCI_DEVICE_ID_PLX_R753;
 562                                 break;
 563                         case PCI_DEVICE_ID_PLX_R753:
 564                                 seekcard = PCI_DEVICE_ID_PLX_DJINN_ITOO;
 565                                 break;
 566                         case PCI_DEVICE_ID_PLX_DJINN_ITOO:
 567                                 seekcard = PCI_DEVICE_ID_PLX_OLITEC;
 568                                 break;
 569                         }
 570                 }
 571         }
 572         if (!found) {
 573                 printk(KERN_WARNING "Gazel: No PCI card found\n");
 574                 return (1);
 575         }
 576         if (!pci_irq) {
 577                 printk(KERN_WARNING "Gazel: No IRQ for PCI card found\n");
 578                 return 1;
 579         }
 580         cs->hw.gazel.pciaddr[0] = pci_ioaddr0;
 581         cs->hw.gazel.pciaddr[1] = pci_ioaddr1;
 582         setup_isac(cs);
 583         pci_ioaddr1 &= 0xfffe;
 584         cs->hw.gazel.cfg_reg = pci_ioaddr0 & 0xfffe;
 585         cs->hw.gazel.ipac = pci_ioaddr1;
 586         cs->hw.gazel.isac = pci_ioaddr1 + 0x80;
 587         cs->hw.gazel.hscx[0] = pci_ioaddr1;
 588         cs->hw.gazel.hscx[1] = pci_ioaddr1 + 0x40;
 589         cs->hw.gazel.isacfifo = cs->hw.gazel.isac;
 590         cs->hw.gazel.hscxfifo[0] = cs->hw.gazel.hscx[0];
 591         cs->hw.gazel.hscxfifo[1] = cs->hw.gazel.hscx[1];
 592         cs->irq = pci_irq;
 593         cs->irq_flags |= IRQF_SHARED;
 594
 595         switch (seekcard) {
 596         case PCI_DEVICE_ID_PLX_R685:
 597                 printk(KERN_INFO "Gazel: Card PCI R685 found\n");
 598                 cs->subtyp = R685;
 599                 cs->dc.isac.adf2 = 0x87;
 600                 printk(KERN_INFO
 601                        "Gazel: config irq:%d isac:0x%X  cfg:0x%X\n",
 602                        cs->irq, cs->hw.gazel.isac, cs->hw.gazel.cfg_reg);
 603                 printk(KERN_INFO
 604                        "Gazel: hscx A:0x%X  hscx B:0x%X\n",
 605                        cs->hw.gazel.hscx[0], cs->hw.gazel.hscx[1]);
 606                 break;
 607         case PCI_DEVICE_ID_PLX_R753:
 608         case PCI_DEVICE_ID_PLX_DJINN_ITOO:
 609         case PCI_DEVICE_ID_PLX_OLITEC:
 610                 printk(KERN_INFO "Gazel: Card PCI R753 found\n");
 611                 cs->subtyp = R753;
 612                 test_and_set_bit(HW_IPAC, &cs->HW_Flags);
 613                 printk(KERN_INFO
 614                        "Gazel: config irq:%d ipac:0x%X  cfg:0x%X\n",
 615                        cs->irq, cs->hw.gazel.ipac, cs->hw.gazel.cfg_reg);
 616                 break;
 617         }
 618
 619         return (0);
 620 }
 621 #endif /* CONFIG_PCI */
 622
 623 int setup_gazel(struct IsdnCard *card)
 624 {
 625         struct IsdnCardState *cs = card->cs;
 626         char tmp[64];
 627         u_char val;
 628
 629         strcpy(tmp, gazel_revision);
 630         printk(KERN_INFO "Gazel: Driver Revision %s\n", HiSax_getrev(tmp));
 631
 632         if (cs->typ != ISDN_CTYPE_GAZEL)
 633                 return (0);
 634
 635         if (card->para[0]) {
 636                 if (setup_gazelisa(card, cs))
 637                         return (0);
 638         } else {
 639
 640 #ifdef CONFIG_PCI
 641                 if (setup_gazelpci(cs))
 642                         return (0);
 643 #else
 644                 printk(KERN_WARNING "Gazel: Card PCI requested and NO_PCI_BIOS, unable to config\n");
 645                 return (0);
 646 #endif                          /* CONFIG_PCI */
 647         }
 648
 649         if (reserve_regions(card, cs)) {
 650                 return (0);
 651         }
 652         if (reset_gazel(cs)) {
 653                 printk(KERN_WARNING "Gazel: wrong IRQ\n");
 654                 release_io_gazel(cs);
 655                 return (0);
 656         }
 657         cs->readisac = &ReadISAC;
 658         cs->writeisac = &WriteISAC;
 659         cs->readisacfifo = &ReadISACfifo;
 660         cs->writeisacfifo = &WriteISACfifo;
 661         cs->BC_Read_Reg = &ReadHSCX;
 662         cs->BC_Write_Reg = &WriteHSCX;
 663         cs->BC_Send_Data = &hscx_fill_fifo;
 664         cs->cardmsg = &Gazel_card_msg;
 665
 666         switch (cs->subtyp) {
 667         case R647:
 668         case R685:
 669                 cs->irq_func = &gazel_interrupt;
 670                 ISACVersion(cs, "Gazel:");
 671                 if (HscxVersion(cs, "Gazel:")) {
 672                         printk(KERN_WARNING
 673                                "Gazel: wrong HSCX versions check IO address\n");
 674                         release_io_gazel(cs);
 675                         return (0);
 676                 }
 677                 break;
 678         case R742:
 679         case R753:
 680                 cs->irq_func = &gazel_interrupt_ipac;
 681                 val = ReadISAC(cs, IPAC_ID - 0x80);
 682                 printk(KERN_INFO "Gazel: IPAC version %x\n", val);
 683                 break;
 684         }
 685
 686         return (1);
 687 }