drivers/isdn/hisax/gazel.c

   1 /* $Id: gazel.c,v 1.1.4.1 2001/11/20 14:19:35 kai 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/config.h>
  15 #include <linux/init.h>
  16 #define __NO_VERSION__
  17 #include "hisax.h"
  18 #include "isac.h"
  19 #include "hscx.h"
  20 #include "isdnl1.h"
  21 #include "ipac.h"
  22 #include <linux/pci.h>
  23
  24 extern const char *CardType[];
  25 const char *gazel_revision = "$Revision: 1.1.4.1 $";
  26
  27 #define R647      1
  28 #define R685      2
  29 #define R753      3
  30 #define R742      4
  31
  32 #define PLX_CNTRL    0x50       /* registre de controle PLX */
  33 #define RESET_GAZEL  0x4
  34 #define RESET_9050   0x40000000
  35 #define PLX_INCSR    0x4C       /* registre d'IT du 9050 */
  36 #define INT_ISAC_EN  0x8        /* 1 = enable IT isac */
  37 #define INT_ISAC     0x20       /* 1 = IT isac en cours */
  38 #define INT_HSCX_EN  0x1        /* 1 = enable IT hscx */
  39 #define INT_HSCX     0x4        /* 1 = IT hscx en cours */
  40 #define INT_PCI_EN   0x40       /* 1 = enable IT PCI */
  41 #define INT_IPAC_EN  0x3        /* enable IT ipac */
  42
  43
  44 #define byteout(addr,val) outb(val,addr)
  45 #define bytein(addr) inb(addr)
  46
  47 static inline u_char
  48 readreg(unsigned int adr, u_short off)
  49 {
  50         return bytein(adr + off);
  51 }
  52
  53 static inline void
  54 writereg(unsigned int adr, u_short off, u_char data)
  55 {
  56         byteout(adr + off, data);
  57 }
  58
  59
  60 static inline void
  61 read_fifo(unsigned int adr, u_char * data, int size)
  62 {
  63         insb(adr, data, size);
  64 }
  65
  66 static void
  67 write_fifo(unsigned int adr, u_char * data, int size)
  68 {
  69         outsb(adr, data, size);
  70 }
  71
  72 static inline u_char
  73 readreg_ipac(unsigned int adr, u_short off)
  74 {
  75         register u_char ret;
  76         long flags;
  77
  78         save_flags(flags);
  79         cli();
  80         byteout(adr, off);
  81         ret = bytein(adr + 4);
  82         restore_flags(flags);
  83         return ret;
  84 }
  85
  86 static inline void
  87 writereg_ipac(unsigned int adr, u_short off, u_char data)
  88 {
  89         long flags;
  90
  91         save_flags(flags);
  92         cli();
  93         byteout(adr, off);
  94         byteout(adr + 4, data);
  95         restore_flags(flags);
  96 }
  97
  98
  99 static inline void
 100 read_fifo_ipac(unsigned int adr, u_short off, u_char * data, int size)
 101 {
 102         byteout(adr, off);
 103         insb(adr + 4, data, size);
 104 }
 105
 106 static void
 107 write_fifo_ipac(unsigned int adr, u_short off, u_char * data, int size)
 108 {
 109         byteout(adr, off);
 110         outsb(adr + 4, data, size);
 111 }
 112
 113 /* Interface functions */
 114
 115 static u_char
 116 ReadISAC(struct IsdnCardState *cs, u_char offset)
 117 {
 118         u_short off2 = offset;
 119
 120         switch (cs->subtyp) {
 121                 case R647:
 122                         off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
 123                 case R685:
 124                         return (readreg(cs->hw.gazel.isac, off2));
 125                 case R753:
 126                 case R742:
 127                         return (readreg_ipac(cs->hw.gazel.ipac, 0x80 + off2));
 128         }
 129         return 0;
 130 }
 131
 132 static void
 133 WriteISAC(struct IsdnCardState *cs, u_char offset, u_char value)
 134 {
 135         u_short off2 = offset;
 136
 137         switch (cs->subtyp) {
 138                 case R647:
 139                         off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
 140                 case R685:
 141                         writereg(cs->hw.gazel.isac, off2, value);
 142                         break;
 143                 case R753:
 144                 case R742:
 145                         writereg_ipac(cs->hw.gazel.ipac, 0x80 + off2, value);
 146                         break;
 147         }
 148 }
 149
 150 static void
 151 ReadISACfifo(struct IsdnCardState *cs, u_char * data, int size)
 152 {
 153         switch (cs->subtyp) {
 154                 case R647:
 155                 case R685:
 156                         read_fifo(cs->hw.gazel.isacfifo, data, size);
 157                         break;
 158                 case R753:
 159                 case R742:
 160                         read_fifo_ipac(cs->hw.gazel.ipac, 0x80, data, size);
 161                         break;
 162         }
 163 }
 164
 165 static void
 166 WriteISACfifo(struct IsdnCardState *cs, u_char * data, int size)
 167 {
 168         switch (cs->subtyp) {
 169                 case R647:
 170                 case R685:
 171                         write_fifo(cs->hw.gazel.isacfifo, data, size);
 172                         break;
 173                 case R753:
 174                 case R742:
 175                         write_fifo_ipac(cs->hw.gazel.ipac, 0x80, data, size);
 176                         break;
 177         }
 178 }
 179
 180 static void
 181 ReadHSCXfifo(struct IsdnCardState *cs, int hscx, u_char * data, int size)
 182 {
 183         switch (cs->subtyp) {
 184                 case R647:
 185                 case R685:
 186                         read_fifo(cs->hw.gazel.hscxfifo[hscx], data, size);
 187                         break;
 188                 case R753:
 189                 case R742:
 190                         read_fifo_ipac(cs->hw.gazel.ipac, hscx * 0x40, data, size);
 191                         break;
 192         }
 193 }
 194
 195 static void
 196 WriteHSCXfifo(struct IsdnCardState *cs, int hscx, u_char * data, int size)
 197 {
 198         switch (cs->subtyp) {
 199                 case R647:
 200                 case R685:
 201                         write_fifo(cs->hw.gazel.hscxfifo[hscx], data, size);
 202                         break;
 203                 case R753:
 204                 case R742:
 205                         write_fifo_ipac(cs->hw.gazel.ipac, hscx * 0x40, data, size);
 206                         break;
 207         }
 208 }
 209
 210 static u_char
 211 ReadHSCX(struct IsdnCardState *cs, int hscx, u_char offset)
 212 {
 213         u_short off2 = offset;
 214
 215         switch (cs->subtyp) {
 216                 case R647:
 217                         off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
 218                 case R685:
 219                         return (readreg(cs->hw.gazel.hscx[hscx], off2));
 220                 case R753:
 221                 case R742:
 222                         return (readreg_ipac(cs->hw.gazel.ipac, hscx * 0x40 + off2));
 223         }
 224         return 0;
 225 }
 226
 227 static void
 228 WriteHSCX(struct IsdnCardState *cs, int hscx, u_char offset, u_char value)
 229 {
 230         u_short off2 = offset;
 231
 232         switch (cs->subtyp) {
 233                 case R647:
 234                         off2 = ((off2 << 8 & 0xf000) | (off2 & 0xf));
 235                 case R685:
 236                         writereg(cs->hw.gazel.hscx[hscx], off2, value);
 237                         break;
 238                 case R753:
 239                 case R742:
 240                         writereg_ipac(cs->hw.gazel.ipac, hscx * 0x40 + off2, value);
 241                         break;
 242         }
 243 }
 244
 245 /*
 246  * fast interrupt HSCX stuff goes here
 247  */
 248
 249 #define READHSCX(cs, nr, reg) ReadHSCX(cs, nr, reg)
 250 #define WRITEHSCX(cs, nr, reg, data) WriteHSCX(cs, nr, reg, data)
 251 #define READHSCXFIFO(cs, nr, ptr, cnt) ReadHSCXfifo(cs, nr, ptr, cnt)
 252 #define WRITEHSCXFIFO(cs, nr, ptr, cnt) WriteHSCXfifo(cs, nr, ptr, cnt)
 253
 254 #include "hscx_irq.c"
 255
 256 static void
 257 gazel_interrupt(int intno, void *dev_id, struct pt_regs *regs)
 258 {
 259 #define MAXCOUNT 5
 260         struct IsdnCardState *cs = dev_id;
 261         u_char valisac, valhscx;
 262         int count = 0;
 263
 264         if (!cs) {
 265                 printk(KERN_WARNING "Gazel: Spurious interrupt!\n");
 266                 return;
 267         }
 268         do {
 269                 valhscx = ReadHSCX(cs, 1, HSCX_ISTA);
 270                 if (valhscx)
 271                         hscx_int_main(cs, valhscx);
 272                 valisac = ReadISAC(cs, ISAC_ISTA);
 273                 if (valisac)
 274                         isac_interrupt(cs, valisac);
 275                 count++;
 276         } while ((valhscx || valisac) && (count < MAXCOUNT));
 277
 278         WriteHSCX(cs, 0, HSCX_MASK, 0xFF);
 279         WriteHSCX(cs, 1, HSCX_MASK, 0xFF);
 280         WriteISAC(cs, ISAC_MASK, 0xFF);
 281         WriteISAC(cs, ISAC_MASK, 0x0);
 282         WriteHSCX(cs, 0, HSCX_MASK, 0x0);
 283         WriteHSCX(cs, 1, HSCX_MASK, 0x0);
 284 }
 285
 286
 287 static void
 288 gazel_interrupt_ipac(int intno, void *dev_id, struct pt_regs *regs)
 289 {
 290         struct IsdnCardState *cs = dev_id;
 291         u_char ista, val;
 292         int count = 0;
 293
 294         if (!cs) {
 295                 printk(KERN_WARNING "Gazel: Spurious interrupt!\n");
 296                 return;
 297         }
 298         ista = ReadISAC(cs, IPAC_ISTA - 0x80);
 299         do {
 300                 if (ista & 0x0f) {
 301                         val = ReadHSCX(cs, 1, HSCX_ISTA);
 302                         if (ista & 0x01)
 303                                 val |= 0x01;
 304                         if (ista & 0x04)
 305                                 val |= 0x02;
 306                         if (ista & 0x08)
 307                                 val |= 0x04;
 308                         if (val) {
 309                                 hscx_int_main(cs, val);
 310                         }
 311                 }
 312                 if (ista & 0x20) {
 313                         val = 0xfe & ReadISAC(cs, ISAC_ISTA);
 314                         if (val) {
 315                                 isac_interrupt(cs, val);
 316                         }
 317                 }
 318                 if (ista & 0x10) {
 319                         val = 0x01;
 320                         isac_interrupt(cs, val);
 321                 }
 322                 ista = ReadISAC(cs, IPAC_ISTA - 0x80);
 323                 count++;
 324         }
 325         while ((ista & 0x3f) && (count < MAXCOUNT));
 326
 327         WriteISAC(cs, IPAC_MASK - 0x80, 0xFF);
 328         WriteISAC(cs, IPAC_MASK - 0x80, 0xC0);
 329 }
 330 void
 331 release_io_gazel(struct IsdnCardState *cs)
 332 {
 333         unsigned int i;
 334
 335         switch (cs->subtyp) {
 336                 case R647:
 337                         for (i = 0x0000; i < 0xC000; i += 0x1000)
 338                                 release_region(i + cs->hw.gazel.hscx[0], 16);
 339                         release_region(0xC000 + cs->hw.gazel.hscx[0], 1);
 340                         break;
 341
 342                 case R685:
 343                         release_region(cs->hw.gazel.hscx[0], 0x100);
 344                         release_region(cs->hw.gazel.cfg_reg, 0x80);
 345                         break;
 346
 347                 case R753:
 348                         release_region(cs->hw.gazel.ipac, 0x8);
 349                         release_region(cs->hw.gazel.cfg_reg, 0x80);
 350                         break;
 351
 352                 case R742:
 353                         release_region(cs->hw.gazel.ipac, 8);
 354                         break;
 355         }
 356 }
 357
 358 static int
 359 reset_gazel(struct IsdnCardState *cs)
 360 {
 361         long flags;
 362         unsigned long plxcntrl, addr = cs->hw.gazel.cfg_reg;
 363
 364         switch (cs->subtyp) {
 365                 case R647:
 366                         save_flags(flags);
 367                         cli();
 368                         writereg(addr, 0, 0);
 369                         HZDELAY(10);
 370                         writereg(addr, 0, 1);
 371                         HZDELAY(2);
 372                         restore_flags(flags);
 373                         break;
 374                 case R685:
 375                         plxcntrl = inl(addr + PLX_CNTRL);
 376                         plxcntrl |= (RESET_9050 + RESET_GAZEL);
 377                         outl(plxcntrl, addr + PLX_CNTRL);
 378                         plxcntrl &= ~(RESET_9050 + RESET_GAZEL);
 379                         HZDELAY(4);
 380                         outl(plxcntrl, addr + PLX_CNTRL);
 381                         HZDELAY(10);
 382                         outb(INT_ISAC_EN + INT_HSCX_EN + INT_PCI_EN, addr + PLX_INCSR);
 383                         break;
 384                 case R753:
 385                         plxcntrl = inl(addr + PLX_CNTRL);
 386                         plxcntrl |= (RESET_9050 + RESET_GAZEL);
 387                         outl(plxcntrl, addr + PLX_CNTRL);
 388                         plxcntrl &= ~(RESET_9050 + RESET_GAZEL);
 389                         WriteISAC(cs, IPAC_POTA2 - 0x80, 0x20);
 390                         HZDELAY(4);
 391                         outl(plxcntrl, addr + PLX_CNTRL);
 392                         HZDELAY(10);
 393                         WriteISAC(cs, IPAC_POTA2 - 0x80, 0x00);
 394                         WriteISAC(cs, IPAC_ACFG - 0x80, 0xff);
 395                         WriteISAC(cs, IPAC_AOE - 0x80, 0x0);
 396                         WriteISAC(cs, IPAC_MASK - 0x80, 0xff);
 397                         WriteISAC(cs, IPAC_CONF - 0x80, 0x1);
 398                         outb(INT_IPAC_EN + INT_PCI_EN, addr + PLX_INCSR);
 399                         WriteISAC(cs, IPAC_MASK - 0x80, 0xc0);
 400                         break;
 401                 case R742:
 402                         WriteISAC(cs, IPAC_POTA2 - 0x80, 0x20);
 403                         HZDELAY(4);
 404                         WriteISAC(cs, IPAC_POTA2 - 0x80, 0x00);
 405                         WriteISAC(cs, IPAC_ACFG - 0x80, 0xff);
 406                         WriteISAC(cs, IPAC_AOE - 0x80, 0x0);
 407                         WriteISAC(cs, IPAC_MASK - 0x80, 0xff);
 408                         WriteISAC(cs, IPAC_CONF - 0x80, 0x1);
 409                         WriteISAC(cs, IPAC_MASK - 0x80, 0xc0);
 410                         break;
 411         }
 412         return (0);
 413 }
 414
 415 static int
 416 Gazel_card_msg(struct IsdnCardState *cs, int mt, void *arg)
 417 {
 418         switch (mt) {
 419                 case CARD_RESET:
 420                         reset_gazel(cs);
 421                         return (0);
 422                 case CARD_RELEASE:
 423                         release_io_gazel(cs);
 424                         return (0);
 425                 case CARD_INIT:
 426                         inithscxisac(cs, 1);
 427                         if ((cs->subtyp==R647)||(cs->subtyp==R685)) {
 428                                 int i;
 429                                 for (i=0;i<(2+MAX_WAITING_CALLS);i++) {
 430                                         cs->bcs[i].hw.hscx.tsaxr0 = 0x1f;
 431                                         cs->bcs[i].hw.hscx.tsaxr1 = 0x23;
 432                                 }
 433                         }
 434                         return (0);
 435                 case CARD_TEST:
 436                         return (0);
 437         }
 438         return (0);
 439 }
 440
 441 static int
 442 reserve_regions(struct IsdnCard *card, struct IsdnCardState *cs)
 443 {
 444         unsigned int i, base = 0, adr = 0, len = 0;
 445
 446         switch (cs->subtyp) {
 447                 case R647:
 448                         base = cs->hw.gazel.hscx[0];
 449                         for (i = 0x0000; i < 0xC000; i += 0x1000) {
 450                                 if (check_region(adr = (i + base), len = 16))
 451                                         goto error;
 452                         }
 453                         if (check_region(adr = (0xC000 + base), len = 1))
 454                                 goto error;
 455
 456                         for (i = 0x0000; i < 0xC000; i += 0x1000)
 457                                 request_region(i + base, 16, "gazel");
 458                         request_region(0xC000 + base, 1, "gazel");
 459
 460                         break;
 461
 462                 case R685:
 463                         if (check_region(adr = cs->hw.gazel.hscx[0], len = 0x100))
 464                                 goto error;
 465                         if (check_region(adr = cs->hw.gazel.cfg_reg, len = 0x80))
 466                                 goto error;
 467
 468                         request_region(cs->hw.gazel.hscx[0], 0x100, "gazel");
 469                         request_region(cs->hw.gazel.cfg_reg, 0x80, "gazel");
 470                         break;
 471
 472                 case R753:
 473                         if (check_region(adr = cs->hw.gazel.ipac, len = 0x8))
 474                                 goto error;
 475                         if (check_region(adr = cs->hw.gazel.cfg_reg, len = 0x80))
 476                                 goto error;
 477
 478                         request_region(cs->hw.gazel.ipac, 0x8, "gazel");
 479                         request_region(cs->hw.gazel.cfg_reg, 0x80, "gazel");
 480                         break;
 481
 482                 case R742:
 483                         if (check_region(adr = cs->hw.gazel.ipac, len = 0x8))
 484                                 goto error;
 485                         request_region(cs->hw.gazel.ipac, 0x8, "gazel");
 486                         break;
 487         }
 488
 489         return 0;
 490
 491       error:
 492         printk(KERN_WARNING "Gazel: %s io ports 0x%x-0x%x already in use\n",
 493                CardType[cs->typ], adr, adr + len);
 494         return 1;
 495 }
 496
 497 static int __init
 498 setup_gazelisa(struct IsdnCard *card, struct IsdnCardState *cs)
 499 {
 500         printk(KERN_INFO "Gazel: ISA PnP card automatic recognition\n");
 501         // we got an irq parameter, assume it is an ISA card
 502         // R742 decodes address even in not started...
 503         // R647 returns FF if not present or not started
 504         // eventually needs improvment
 505         if (readreg_ipac(card->para[1], IPAC_ID) == 1)
 506                 cs->subtyp = R742;
 507         else
 508                 cs->subtyp = R647;
 509
 510         cs->hw.gazel.cfg_reg = card->para[1] + 0xC000;
 511         cs->hw.gazel.ipac = card->para[1];
 512         cs->hw.gazel.isac = card->para[1] + 0x8000;
 513         cs->hw.gazel.hscx[0] = card->para[1];
 514         cs->hw.gazel.hscx[1] = card->para[1] + 0x4000;
 515         cs->irq = card->para[0];
 516         cs->hw.gazel.isacfifo = cs->hw.gazel.isac;
 517         cs->hw.gazel.hscxfifo[0] = cs->hw.gazel.hscx[0];
 518         cs->hw.gazel.hscxfifo[1] = cs->hw.gazel.hscx[1];
 519
 520         switch (cs->subtyp) {
 521                 case R647:
 522                         printk(KERN_INFO "Gazel: Card ISA R647/R648 found\n");
 523                         cs->dc.isac.adf2 = 0x87;
 524                         printk(KERN_INFO
 525                                 "Gazel: config irq:%d isac:0x%X  cfg:0x%X\n",
 526                                 cs->irq, cs->hw.gazel.isac, cs->hw.gazel.cfg_reg);
 527                         printk(KERN_INFO
 528                                 "Gazel: hscx A:0x%X  hscx B:0x%X\n",
 529                                 cs->hw.gazel.hscx[0], cs->hw.gazel.hscx[1]);
 530
 531                         break;
 532                 case R742:
 533                         printk(KERN_INFO "Gazel: Card ISA R742 found\n");
 534                         test_and_set_bit(HW_IPAC, &cs->HW_Flags);
 535                         printk(KERN_INFO
 536                                "Gazel: config irq:%d ipac:0x%X\n",
 537                                cs->irq, cs->hw.gazel.ipac);
 538                         break;
 539         }
 540
 541         return (0);
 542 }
 543
 544 static struct pci_dev *dev_tel __initdata = NULL;
 545
 546 static int __init
 547 setup_gazelpci(struct IsdnCardState *cs)
 548 {
 549         u_int pci_ioaddr0 = 0, pci_ioaddr1 = 0;
 550         u_char pci_irq = 0, found;
 551         u_int nbseek, seekcard;
 552
 553         printk(KERN_WARNING "Gazel: PCI card automatic recognition\n");
 554
 555         found = 0;
 556         if (!pci_present()) {
 557                 printk(KERN_WARNING "Gazel: No PCI bus present\n");
 558                 return 1;
 559         }
 560         seekcard = PCI_DEVICE_ID_PLX_R685;
 561         for (nbseek = 0; nbseek < 3; nbseek++) {
 562                 if ((dev_tel = pci_find_device(PCI_VENDOR_ID_PLX, seekcard, dev_tel))) {
 563                         if (pci_enable_device(dev_tel))
 564                                 return 1;
 565                         pci_irq = dev_tel->irq;
 566                         pci_ioaddr0 = pci_resource_start(dev_tel, 1);
 567                         pci_ioaddr1 = pci_resource_start(dev_tel, 2);
 568                         found = 1;
 569                 }
 570                 if (found)
 571                         break;
 572                 else {
 573                         switch (seekcard) {
 574                                 case PCI_DEVICE_ID_PLX_R685:
 575                                         seekcard = PCI_DEVICE_ID_PLX_R753;
 576                                         break;
 577                                 case PCI_DEVICE_ID_PLX_R753:
 578                                         seekcard = PCI_DEVICE_ID_PLX_DJINN_ITOO;
 579                                         break;
 580                         }
 581                 }
 582         }
 583         if (!found) {
 584                 printk(KERN_WARNING "Gazel: No PCI card found\n");
 585                 return (1);
 586         }
 587         if (!pci_irq) {
 588                 printk(KERN_WARNING "Gazel: No IRQ for PCI card found\n");
 589                 return 1;
 590         }
 591         cs->hw.gazel.pciaddr[0] = pci_ioaddr0;
 592         cs->hw.gazel.pciaddr[1] = pci_ioaddr1;
 593
 594         pci_ioaddr1 &= 0xfffe;
 595         cs->hw.gazel.cfg_reg = pci_ioaddr0 & 0xfffe;
 596         cs->hw.gazel.ipac = pci_ioaddr1;
 597         cs->hw.gazel.isac = pci_ioaddr1 + 0x80;
 598         cs->hw.gazel.hscx[0] = pci_ioaddr1;
 599         cs->hw.gazel.hscx[1] = pci_ioaddr1 + 0x40;
 600         cs->hw.gazel.isacfifo = cs->hw.gazel.isac;
 601         cs->hw.gazel.hscxfifo[0] = cs->hw.gazel.hscx[0];
 602         cs->hw.gazel.hscxfifo[1] = cs->hw.gazel.hscx[1];
 603         cs->irq = pci_irq;
 604         cs->irq_flags |= SA_SHIRQ;
 605
 606         switch (seekcard) {
 607                 case PCI_DEVICE_ID_PLX_R685:
 608                         printk(KERN_INFO "Gazel: Card PCI R685 found\n");
 609                         cs->subtyp = R685;
 610                         cs->dc.isac.adf2 = 0x87;
 611                         printk(KERN_INFO
 612                             "Gazel: config irq:%d isac:0x%X  cfg:0x%X\n",
 613                         cs->irq, cs->hw.gazel.isac, cs->hw.gazel.cfg_reg);
 614                         printk(KERN_INFO
 615                                "Gazel: hscx A:0x%X  hscx B:0x%X\n",
 616                              cs->hw.gazel.hscx[0], cs->hw.gazel.hscx[1]);
 617                         break;
 618                 case PCI_DEVICE_ID_PLX_R753:
 619                 case PCI_DEVICE_ID_PLX_DJINN_ITOO:
 620                         printk(KERN_INFO "Gazel: Card PCI R753 found\n");
 621                         cs->subtyp = R753;
 622                         test_and_set_bit(HW_IPAC, &cs->HW_Flags);
 623                         printk(KERN_INFO
 624                             "Gazel: config irq:%d ipac:0x%X  cfg:0x%X\n",
 625                         cs->irq, cs->hw.gazel.ipac, cs->hw.gazel.cfg_reg);
 626                         break;
 627         }
 628
 629         return (0);
 630 }
 631
 632 int __init
 633 setup_gazel(struct IsdnCard *card)
 634 {
 635         struct IsdnCardState *cs = card->cs;
 636         char tmp[64];
 637         u_char val;
 638
 639         strcpy(tmp, gazel_revision);
 640         printk(KERN_INFO "Gazel: Driver Revision %s\n", HiSax_getrev(tmp));
 641
 642         if (cs->typ != ISDN_CTYPE_GAZEL)
 643                 return (0);
 644
 645         if (card->para[0]) {
 646                 if (setup_gazelisa(card, cs))
 647                         return (0);
 648         } else {
 649
 650 #if CONFIG_PCI
 651                 if (setup_gazelpci(cs))
 652                         return (0);
 653 #else
 654                 printk(KERN_WARNING "Gazel: Card PCI requested and NO_PCI_BIOS, unable to config\n");
 655                 return (0);
 656 #endif                          /* CONFIG_PCI */
 657         }
 658
 659         if (reserve_regions(card, cs)) {
 660                 return (0);
 661         }
 662         if (reset_gazel(cs)) {
 663                 printk(KERN_WARNING "Gazel: wrong IRQ\n");
 664                 release_io_gazel(cs);
 665                 return (0);
 666         }
 667         cs->readisac = &ReadISAC;
 668         cs->writeisac = &WriteISAC;
 669         cs->readisacfifo = &ReadISACfifo;
 670         cs->writeisacfifo = &WriteISACfifo;
 671         cs->BC_Read_Reg = &ReadHSCX;
 672         cs->BC_Write_Reg = &WriteHSCX;
 673         cs->BC_Send_Data = &hscx_fill_fifo;
 674         cs->cardmsg = &Gazel_card_msg;
 675
 676         switch (cs->subtyp) {
 677                 case R647:
 678                 case R685:
 679                         cs->irq_func = &gazel_interrupt;
 680                         ISACVersion(cs, "Gazel:");
 681                         if (HscxVersion(cs, "Gazel:")) {
 682                                 printk(KERN_WARNING
 683                                        "Gazel: wrong HSCX versions check IO address\n");
 684                                 release_io_gazel(cs);
 685                                 return (0);
 686                         }
 687                         break;
 688                 case R742:
 689                 case R753:
 690                         cs->irq_func = &gazel_interrupt_ipac;
 691                         val = ReadISAC(cs, IPAC_ID - 0x80);
 692                         printk(KERN_INFO "Gazel: IPAC version %x\n", val);
 693                         break;
 694         }
 695
 696         return (1);
 697 }