sys/bus/pci/pcisupport.c

   1 /**************************************************************************
   2 **
   3 ** $FreeBSD: src/sys/pci/pcisupport.c,v 1.154.2.15 2003/04/29 15:55:06 simokawa Exp $
   4 ** $DragonFly: src/sys/bus/pci/pcisupport.c,v 1.20 2006/12/22 23:12:17 swildner Exp $
   5 **
   6 **  Device driver for DEC/INTEL PCI chipsets.
   7 **
   8 **  FreeBSD
   9 **
  10 **-------------------------------------------------------------------------
  11 **
  12 **  Written for FreeBSD by
  13 **      wolf@cologne.de         Wolfgang Stanglmeier
  14 **      se@mi.Uni-Koeln.de      Stefan Esser
  15 **
  16 **-------------------------------------------------------------------------
  17 **
  18 ** Copyright (c) 1994,1995 Stefan Esser.  All rights reserved.
  19 **
  20 ** Redistribution and use in source and binary forms, with or without
  21 ** modification, are permitted provided that the following conditions
  22 ** are met:
  23 ** 1. Redistributions of source code must retain the above copyright
  24 **    notice, this list of conditions and the following disclaimer.
  25 ** 2. Redistributions in binary form must reproduce the above copyright
  26 **    notice, this list of conditions and the following disclaimer in the
  27 **    documentation and/or other materials provided with the distribution.
  28 ** 3. The name of the author may not be used to endorse or promote products
  29 **    derived from this software without specific prior written permission.
  30 **
  31 ** THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  32 ** IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  33 ** OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  34 ** IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  35 ** INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  36 ** NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  37 ** DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  38 ** THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  39 ** (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  40 ** THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  41 **
  42 ***************************************************************************
  43 */
  44
  45 #include "opt_bus.h"
  46 #include "opt_pci.h"
  47
  48 #include <sys/param.h>
  49 #include <sys/systm.h>
  50 #include <sys/malloc.h>
  51 #include <sys/kernel.h>
  52 #include <sys/bus.h>
  53 #include <sys/rman.h>
  54
  55 #include "pcivar.h"
  56 #include "pcireg.h"
  57
  58 #include <vm/vm.h>
  59 #include <vm/vm_object.h>
  60 #include <vm/pmap.h>
  61
  62 #include "pcib_if.h"
  63 #include "pcib_private.h"
  64
  65 /*---------------------------------------------------------
  66 **
  67 **      Intel chipsets for 486 / Pentium processor
  68 **
  69 **---------------------------------------------------------
  70 */
  71
  72 static void
  73 fixbushigh_i1225(device_t dev)
  74 {
  75         int sublementarybus;
  76
  77         sublementarybus = pci_read_config(dev, 0x41, 1);
  78         if (sublementarybus != 0xff) {
  79                 pci_set_secondarybus(dev, sublementarybus + 1);
  80                 pci_set_subordinatebus(dev, sublementarybus + 1);
  81         }
  82 }
  83
  84 static void
  85 fixwsc_natoma(device_t dev)
  86 {
  87         int pmccfg;
  88
  89         pmccfg = pci_read_config(dev, 0x50, 2);
  90 #if defined(SMP)
  91         if (pmccfg & 0x8000) {
  92                 kprintf("Correcting Natoma config for SMP\n");
  93                 pmccfg &= ~0x8000;
  94                 pci_write_config(dev, 0x50, pmccfg, 2);
  95         }
  96 #else
  97         if ((pmccfg & 0x8000) == 0) {
  98                 kprintf("Correcting Natoma config for non-SMP\n");
  99                 pmccfg |= 0x8000;
 100                 pci_write_config(dev, 0x50, pmccfg, 2);
 101         }
 102 #endif
 103 }
 104
 105 const char *
 106 pci_bridge_type(device_t dev)
 107 {
 108     char *descr, tmpbuf[120];
 109
 110     if (pci_get_class(dev) != PCIC_BRIDGE)
 111             return NULL;
 112
 113     switch (pci_get_subclass(dev)) {
 114     case PCIS_BRIDGE_HOST:      strcpy(tmpbuf, "Host to PCI"); break;
 115     case PCIS_BRIDGE_ISA:       strcpy(tmpbuf, "PCI to ISA"); break;
 116     case PCIS_BRIDGE_EISA:      strcpy(tmpbuf, "PCI to EISA"); break;
 117     case PCIS_BRIDGE_MCA:       strcpy(tmpbuf, "PCI to MCA"); break;
 118     case PCIS_BRIDGE_PCI:       strcpy(tmpbuf, "PCI to PCI"); break;
 119     case PCIS_BRIDGE_PCMCIA:    strcpy(tmpbuf, "PCI to PCMCIA"); break;
 120     case PCIS_BRIDGE_NUBUS:     strcpy(tmpbuf, "PCI to NUBUS"); break;
 121     case PCIS_BRIDGE_CARDBUS:   strcpy(tmpbuf, "PCI to CardBus"); break;
 122     case PCIS_BRIDGE_OTHER:     strcpy(tmpbuf, "PCI to Other"); break;
 123     default:
 124             ksnprintf(tmpbuf, sizeof(tmpbuf),
 125                      "PCI to 0x%x", pci_get_subclass(dev));
 126             break;
 127     }
 128     ksnprintf(tmpbuf+strlen(tmpbuf), sizeof(tmpbuf)-strlen(tmpbuf),
 129              " bridge (vendor=%04x device=%04x)",
 130              pci_get_vendor(dev), pci_get_device(dev));
 131     descr = kmalloc (strlen(tmpbuf) +1, M_DEVBUF, M_WAITOK);
 132     strcpy(descr, tmpbuf);
 133     return descr;
 134 }
 135
 136 const char *
 137 pci_usb_match(device_t dev)
 138 {
 139         switch (pci_get_devid(dev)) {
 140
 141         /* Intel -- vendor 0x8086 */
 142         case 0x70208086:
 143                 return ("Intel 82371SB (PIIX3) USB controller");
 144         case 0x71128086:
 145                 return ("Intel 82371AB/EB (PIIX4) USB controller");
 146         case 0x24128086:
 147                 return ("Intel 82801AA (ICH) USB controller");
 148         case 0x24228086:
 149                 return ("Intel 82801AB (ICH0) USB controller");
 150         case 0x24428086:
 151                 return ("Intel 82801BA/BAM (ICH2) USB controller USB-A");
 152         case 0x24448086:
 153                 return ("Intel 82801BA/BAM (ICH2) USB controller USB-B");
 154
 155         /* VIA Technologies -- vendor 0x1106 (0x1107 on the Apollo Master) */
 156         case 0x30381106:
 157                 return ("VIA 83C572 USB controller");
 158
 159         /* AcerLabs -- vendor 0x10b9 */
 160         case 0x523710b9:
 161                 return ("AcerLabs M5237 (Aladdin-V) USB controller");
 162
 163         /* OPTi -- vendor 0x1045 */
 164         case 0xc8611045:
 165                 return ("OPTi 82C861 (FireLink) USB controller");
 166
 167         /* NEC -- vendor 0x1033 */
 168         case 0x00351033:
 169                 return ("NEC uPD 9210 USB controller");
 170
 171         /* CMD Tech -- vendor 0x1095 */
 172         case 0x06701095:
 173                 return ("CMD Tech 670 (USB0670) USB controller");
 174         case 0x06731095:
 175                 return ("CMD Tech 673 (USB0673) USB controller");
 176         }
 177
 178         if (pci_get_class(dev) == PCIC_SERIALBUS
 179             && pci_get_subclass(dev) == PCIS_SERIALBUS_USB) {
 180                 if (pci_get_progif(dev) == 0x00 /* UHCI */ ) {
 181                         return ("UHCI USB controller");
 182                 } else if (pci_get_progif(dev) == 0x10 /* OHCI */ ) {
 183                         return ("OHCI USB controller");
 184                 } else {
 185                         return ("USB controller");
 186                 }
 187         }
 188         return NULL;
 189 }
 190
 191 const char *
 192 pci_ata_match(device_t dev)
 193 {
 194
 195         switch (pci_get_devid(dev)) {
 196
 197         /* Intel -- vendor 0x8086 */
 198         case 0x12308086:
 199                 return ("Intel PIIX ATA controller");
 200         case 0x70108086:
 201                 return ("Intel PIIX3 ATA controller");
 202         case 0x71118086:
 203                 return ("Intel PIIX4 ATA controller");
 204         case 0x12348086:
 205                 return ("Intel 82371MX mobile PCI ATA accelerator (MPIIX)");
 206
 207         /* Promise -- vendor 0x105a */
 208         case 0x4d33105a:
 209                 return ("Promise Ultra/33 ATA controller");
 210         case 0x4d38105a:
 211                 return ("Promise Ultra/66 ATA controller");
 212
 213         /* AcerLabs -- vendor 0x10b9 */
 214         case 0x522910b9:
 215                 return ("AcerLabs Aladdin ATA controller");
 216
 217         /* VIA Technologies -- vendor 0x1106 (0x1107 on the Apollo Master) */
 218         case 0x05711106:
 219                 switch (pci_read_config(dev, 0x08, 1)) {
 220                 case 1:
 221                         return ("VIA 85C586 ATA controller");
 222                 case 6:
 223                         return ("VIA 85C586 ATA controller");
 224                 }
 225                 /* FALL THROUGH */
 226         case 0x15711106:
 227                 return ("VIA Apollo ATA controller");
 228
 229         /* CMD Tech -- vendor 0x1095 */
 230         case 0x06401095:
 231                 return ("CMD 640 ATA controller");
 232         case 0x06461095:
 233                 return ("CMD 646 ATA controller");
 234
 235         /* Cypress -- vendor 0x1080 */
 236         case 0xc6931080:
 237                 return ("Cypress 82C693 ATA controller");
 238
 239         /* Cyrix -- vendor 0x1078 */
 240         case 0x01021078:
 241                 return ("Cyrix 5530 ATA controller");
 242
 243         /* SiS -- vendor 0x1039 */
 244         case 0x55131039:
 245                 return ("SiS 5591 ATA controller");
 246
 247         /* Highpoint tech -- vendor 0x1103 */
 248         case 0x00041103:
 249                 return ("HighPoint HPT366 ATA controller");
 250         }
 251
 252         if (pci_get_class(dev) == PCIC_STORAGE &&
 253             pci_get_subclass(dev) == PCIS_STORAGE_IDE)
 254                 return ("Unknown PCI ATA controller");
 255
 256         return NULL;
 257 }
 258
 259
 260 const char*
 261 pci_chip_match(device_t dev)
 262 {
 263         unsigned        rev;
 264
 265         switch (pci_get_devid(dev)) {
 266         /* Intel -- vendor 0x8086 */
 267         case 0x00088086:
 268                 /* Silently ignore this one! What is it, anyway ??? */
 269                 return ("");
 270         case 0x71108086:
 271                 /*
 272                  * On my laptop (Tecra 8000DVD), this device has a
 273                  * bogus subclass 0x80 so make sure that it doesn't
 274                  * match the generic 'chip' driver by accident.
 275                  */
 276                 return NULL;
 277         case 0x12258086:
 278                 fixbushigh_i1225(dev);
 279                 return ("Intel 824?? host to PCI bridge");
 280         case 0x71808086:
 281                 return ("Intel 82443LX (440 LX) host to PCI bridge");
 282         case 0x71908086:
 283                 return ("Intel 82443BX (440 BX) host to PCI bridge");
 284         case 0x71928086:
 285                 return ("Intel 82443BX host to PCI bridge (AGP disabled)");
 286         case 0x71a08086:
 287                 return ("Intel 82443GX host to PCI bridge");
 288         case 0x71a18086:
 289                 return ("Intel 82443GX host to AGP bridge");
 290         case 0x71a28086:
 291                 return ("Intel 82443GX host to PCI bridge (AGP disabled)");
 292         case 0x84c48086:
 293                 return ("Intel 82454KX/GX (Orion) host to PCI bridge");
 294         case 0x84ca8086:
 295                 return ("Intel 82451NX Memory and I/O controller");
 296         case 0x04868086:
 297                 return ("Intel 82425EX PCI system controller");
 298         case 0x04838086:
 299                 return ("Intel 82424ZX (Saturn) cache DRAM controller");
 300         case 0x04a38086:
 301                 rev = pci_get_revid(dev);
 302                 if (rev == 16 || rev == 17)
 303                     return ("Intel 82434NX (Neptune) PCI cache memory controller");
 304                 return ("Intel 82434LX (Mercury) PCI cache memory controller");
 305         case 0x122d8086:
 306                 return ("Intel 82437FX PCI cache memory controller");
 307         case 0x12358086:
 308                 return ("Intel 82437MX mobile PCI cache memory controller");
 309         case 0x12508086:
 310                 return ("Intel 82439HX PCI cache memory controller");
 311         case 0x70308086:
 312                 return ("Intel 82437VX PCI cache memory controller");
 313         case 0x71008086:
 314                 return ("Intel 82439TX System controller (MTXC)");
 315         case 0x71138086:
 316                 return ("Intel 82371AB Power management controller");
 317         case 0x719b8086:
 318                 return ("Intel 82443MX Power management controller");
 319         case 0x12378086:
 320                 fixwsc_natoma(dev);
 321                 return ("Intel 82440FX (Natoma) PCI and memory controller");
 322         case 0x84c58086:
 323                 return ("Intel 82453KX/GX (Orion) PCI memory controller");
 324         case 0x71208086:
 325                 return ("Intel 82810 (i810 GMCH) Host To Hub bridge");
 326         case 0x71228086:
 327         return ("Intel 82810-DC100 (i810-DC100 GMCH) Host To Hub bridge");
 328         case 0x71248086:
 329         return ("Intel 82810E (i810E GMCH) Host To Hub bridge");
 330         case 0x24158086:
 331                 return ("Intel 82801AA (ICH) AC'97 Audio Controller");
 332         case 0x24258086:
 333                 return ("Intel 82801AB (ICH0) AC'97 Audio Controller");
 334
 335         /* Sony -- vendor 0x104d */
 336         case 0x8009104d:
 337                 return ("Sony CXD1947A FireWire Host Controller");
 338
 339         /* SiS -- vendor 0x1039 */
 340         case 0x04961039:
 341                 return ("SiS 85c496 PCI/VL Bridge");
 342         case 0x04061039:
 343                 return ("SiS 85c501");
 344         case 0x06011039:
 345                 return ("SiS 85c601");
 346         case 0x55911039:
 347                 return ("SiS 5591 host to PCI bridge");
 348         case 0x00011039:
 349                 return ("SiS 5591 host to AGP bridge");
 350
 351         /* VLSI -- vendor 0x1004 */
 352         case 0x00051004:
 353                 return ("VLSI 82C592 Host to PCI bridge");
 354         case 0x01011004:
 355                 return ("VLSI 82C532 Eagle II Peripheral controller");
 356         case 0x01041004:
 357                 return ("VLSI 82C535 Eagle II System controller");
 358         case 0x01051004:
 359                 return ("VLSI 82C147 IrDA controller");
 360
 361         /* VIA Technologies -- vendor 0x1106 (0x1107 on the Apollo Master) */
 362         case 0x15761107:
 363                 return ("VIA 82C570 (Apollo Master) system controller");
 364         case 0x05851106:
 365                 return ("VIA 82C585 (Apollo VP1/VPX) system controller");
 366         case 0x05951106:
 367         case 0x15951106:
 368                 return ("VIA 82C595 (Apollo VP2) system controller");
 369         case 0x05971106:
 370                 return ("VIA 82C597 (Apollo VP3) system controller");
 371         /* XXX Here is MVP3, I got the datasheet but NO M/B to test it  */
 372         /* totally. Please let me know if anything wrong.            -F */
 373         /* XXX need info on the MVP3 -- any takers? */
 374         case 0x05981106:
 375                 return ("VIA 82C598MVP (Apollo MVP3) host bridge");
 376         case 0x30401106:
 377         case 0x30501106:
 378         case 0x30571106:
 379                 return NULL;
 380         case 0x30581106:
 381                 return ("VIA 82C686 AC97 Audio");
 382         case 0x30681106:
 383                 return ("VIA 82C686 AC97 Modem");
 384
 385         /* AMD -- vendor 0x1022 */
 386         case 0x70061022:
 387                 return ("AMD-751 host to PCI bridge");
 388         case 0x700e1022:
 389                 return ("AMD-761 host to PCI bridge");
 390
 391         /* AcerLabs -- vendor 0x10b9 */
 392         /* Funny : The datasheet told me vendor id is "10b8",sub-vendor */
 393         /* id is '10b9" but the register always shows "10b9". -Foxfair  */
 394         case 0x154110b9:
 395                 return ("AcerLabs M1541 (Aladdin-V) PCI host bridge");
 396         case 0x710110b9:
 397                 return ("AcerLabs M15x3 Power Management Unit");
 398
 399         /* OPTi -- vendor 0x1045 */
 400         case 0xc5571045:
 401                 return ("Opti 82C557 (Viper-M) host to PCI bridge");
 402         case 0xc5581045:
 403                 return ("Opti 82C558 (Viper-M) ISA+IDE");
 404         case 0xc8221045:
 405                 return ("OPTi 82C822 host to PCI Bridge");
 406
 407         /* Texas Instruments -- vendor 0x104c */
 408         case 0xac1c104c:
 409                 return ("Texas Instruments PCI1225 CardBus controller");
 410         case 0xac50104c:
 411                 return ("Texas Instruments PCI1410 CardBus controller");
 412         case 0xac51104c:
 413                 return ("Texas Instruments PCI1420 CardBus controller");
 414         case 0xac1b104c:
 415                 return ("Texas Instruments PCI1450 CardBus controller");
 416         case 0xac52104c:
 417                 return ("Texas Instruments PCI1451 CardBus controller");
 418
 419         /* NeoMagic -- vendor 0x10c8 */
 420         case 0x800510c8:
 421                 return ("NeoMagic MagicMedia 256AX Audio controller");
 422         case 0x800610c8:
 423                 return ("NeoMagic MagicMedia 256ZX Audio controller");
 424
 425         /* ESS Technology Inc -- vendor 0x125d */
 426         case 0x1978125d:
 427                 return ("ESS Technology Maestro 2E Audio controller");
 428
 429         /* Toshiba -- vendor 0x1179 */
 430         case 0x07011179:
 431                 return ("Toshiba Fast Infra Red controller");
 432         };
 433
 434         if (pci_get_class(dev) == PCIC_BRIDGE
 435             && pci_get_subclass(dev) != PCIS_BRIDGE_PCI
 436             && pci_get_subclass(dev) != PCIS_BRIDGE_ISA
 437             && pci_get_subclass(dev) != PCIS_BRIDGE_EISA)
 438                 return pci_bridge_type(dev);
 439
 440         return NULL;
 441 }
 442
 443 /*---------------------------------------------------------
 444 **
 445 **      Catchall driver for VGA devices
 446 **
 447 **      By Garrett Wollman
 448 **      <wollman@halloran-eldar.lcs.mit.edu>
 449 **
 450 **---------------------------------------------------------
 451 */
 452
 453 const char *
 454 pci_vga_match(device_t dev)
 455 {
 456         u_int id = pci_get_devid(dev);
 457         const char *vendor, *chip, *type;
 458
 459         vendor = chip = type = 0;
 460         switch (id & 0xffff) {
 461         case 0x003d:
 462                 vendor = "Real 3D";
 463                 switch (id >> 16) {
 464                 case 0x00d1:
 465                         chip = "i740"; break;
 466                 }
 467                 break;
 468         case 0x10c8:
 469                 vendor = "NeoMagic";
 470                 switch (id >> 16) {
 471                 case 0x0003:
 472                         chip = "MagicGraph 128ZV"; break;
 473                 case 0x0004:
 474                         chip = "MagicGraph 128XD"; break;
 475                 case 0x0005:
 476                         chip = "MagicMedia 256AV"; break;
 477                 case 0x0006:
 478                         chip = "MagicMedia 256ZX"; break;
 479                 }
 480                 break;
 481         case 0x121a:
 482                 vendor = "3Dfx";
 483                 type = "graphics accelerator";
 484                 switch (id >> 16) {
 485                 case 0x0001:
 486                         chip = "Voodoo"; break;
 487                 case 0x0002:
 488                         chip = "Voodoo 2"; break;
 489                 case 0x0003:
 490                         chip = "Voodoo Banshee"; break;
 491                 case 0x0005:
 492                         chip = "Voodoo 3"; break;
 493                 }
 494                 break;
 495         case 0x102b:
 496                 vendor = "Matrox";
 497                 type = "graphics accelerator";
 498                 switch (id >> 16) {
 499                 case 0x0518:
 500                         chip = "MGA 2085PX"; break;
 501                 case 0x0519:
 502                         chip = "MGA Millennium 2064W"; break;
 503                 case 0x051a:
 504                         chip = "MGA 1024SG/1064SG/1164SG"; break;
 505                 case 0x051b:
 506                         chip = "MGA Millennium II 2164W"; break;
 507                 case 0x051f:
 508                         chip = "MGA Millennium II 2164WA-B AG"; break;
 509                 case 0x0520:
 510                         chip = "MGA G200"; break;
 511                 case 0x0521:
 512                         chip = "MGA G200 AGP"; break;
 513                 case 0x0525:
 514                         chip = "MGA G400 AGP"; break;
 515                 case 0x0d10:
 516                         chip = "MGA Impression"; break;
 517                 case 0x1000:
 518                         chip = "MGA G100"; break;
 519                 case 0x1001:
 520                         chip = "MGA G100 AGP"; break;
 521                 case 0x2527:
 522                         chip = "MGA G550 AGP"; break;
 523
 524                 }
 525                 break;
 526         case 0x1002:
 527                 vendor = "ATI";
 528                 type = "graphics accelerator";
 529                 switch (id >> 16) {
 530                 case 0x4158:
 531                         chip = "Mach32"; break;
 532                 case 0x4354:
 533                         chip = "Mach64-CT"; break;
 534                 case 0x4358:
 535                         chip = "Mach64-CX"; break;
 536                 case 0x4554:
 537                         chip = "Mach64-ET"; break;
 538                 case 0x4654:
 539                 case 0x5654:
 540                         chip = "Mach64-VT"; break;
 541                 case 0x4742:
 542                         chip = "Mach64-GB"; break;
 543                 case 0x4744:
 544                         chip = "Mach64-GD"; break;
 545                 case 0x4749:
 546                         chip = "Mach64-GI"; break;
 547                 case 0x474d:
 548                         chip = "Mach64-GM"; break;
 549                 case 0x474e:
 550                         chip = "Mach64-GN"; break;
 551                 case 0x474f:
 552                         chip = "Mach64-GO"; break;
 553                 case 0x4750:
 554                         chip = "Mach64-GP"; break;
 555                 case 0x4751:
 556                         chip = "Mach64-GQ"; break;
 557                 case 0x4752:
 558                         chip = "Mach64-GR"; break;
 559                 case 0x4753:
 560                         chip = "Mach64-GS"; break;
 561                 case 0x4754:
 562                         chip = "Mach64-GT"; break;
 563                 case 0x4755:
 564                         chip = "Mach64-GU"; break;
 565                 case 0x4756:
 566                         chip = "Mach64-GV"; break;
 567                 case 0x4757:
 568                         chip = "Mach64-GW"; break;
 569                 case 0x4758:
 570                         chip = "Mach64-GX"; break;
 571                 case 0x4c4d:
 572                         chip = "Mobility-1"; break;
 573                 case 0x4c52:
 574                         chip = "RageMobility-P/M"; break;
 575                 case 0x475a:
 576                         chip = "Mach64-GZ"; break;
 577                 case 0x5245:
 578                         chip = "Rage128-RE"; break;
 579                 case 0x5246:
 580                         chip = "Rage128-RF"; break;
 581                 case 0x524b:
 582                         chip = "Rage128-RK"; break;
 583                 case 0x524c:
 584                         chip = "Rage128-RL"; break;
 585                 }
 586                 break;
 587         case 0x1005:
 588                 vendor = "Avance Logic";
 589                 switch (id >> 16) {
 590                 case 0x2301:
 591                         chip = "ALG2301"; break;
 592                 case 0x2302:
 593                         chip = "ALG2302"; break;
 594                 }
 595                 break;
 596         case 0x100c:
 597                 vendor = "Tseng Labs";
 598                 type = "graphics accelerator";
 599                 switch (id >> 16) {
 600                 case 0x3202:
 601                 case 0x3205:
 602                 case 0x3206:
 603                 case 0x3207:
 604                         chip = "ET4000 W32P"; break;
 605                 case 0x3208:
 606                         chip = "ET6000/ET6100"; break;
 607                 case 0x4702:
 608                         chip = "ET6300"; break;
 609                 }
 610                 break;
 611         case 0x100e:
 612                 vendor = "Weitek";
 613                 type = "graphics accelerator";
 614                 switch (id >> 16) {
 615                 case 0x9001:
 616                         chip = "P9000"; break;
 617                 case 0x9100:
 618                         chip = "P9100"; break;
 619                 }
 620                 break;
 621         case 0x1013:
 622                 vendor = "Cirrus Logic";
 623                 switch (id >> 16) {
 624                 case 0x0038:
 625                         chip = "GD7548"; break;
 626                 case 0x0040:
 627                         chip = "GD7555"; break;
 628                 case 0x004c:
 629                         chip = "GD7556"; break;
 630                 case 0x00a0:
 631                         chip = "GD5430"; break;
 632                 case 0x00a4:
 633                 case 0x00a8:
 634                         chip = "GD5434"; break;
 635                 case 0x00ac:
 636                         chip = "GD5436"; break;
 637                 case 0x00b8:
 638                         chip = "GD5446"; break;
 639                 case 0x00bc:
 640                         chip = "GD5480"; break;
 641                 case 0x00d0:
 642                         chip = "GD5462"; break;
 643                 case 0x00d4:
 644                 case 0x00d5:
 645                         chip = "GD5464"; break;
 646                 case 0x00d6:
 647                         chip = "GD5465"; break;
 648                 case 0x1200:
 649                         chip = "GD7542"; break;
 650                 case 0x1202:
 651                         chip = "GD7543"; break;
 652                 case 0x1204:
 653                         chip = "GD7541"; break;
 654                 }
 655                 break;
 656         case 0x1023:
 657                 vendor = "Trident";
 658                 break;          /* let default deal with it */
 659         case 0x102c:
 660                 vendor = "Chips & Technologies";
 661                 switch (id >> 16) {
 662                 case 0x00b8:
 663                         chip = "64310"; break;
 664                 case 0x00d8:
 665                         chip = "65545"; break;
 666                 case 0x00dc:
 667                         chip = "65548"; break;
 668                 case 0x00c0:
 669                         chip = "69000"; break;
 670                 case 0x00e0:
 671                         chip = "65550"; break;
 672                 case 0x00e4:
 673                         chip = "65554"; break;
 674                 case 0x00e5:
 675                         chip = "65555"; break;
 676                 case 0x00f4:
 677                         chip = "68554"; break;
 678                 }
 679                 break;
 680         case 0x1039:
 681                 vendor = "SiS";
 682                 switch (id >> 16) {
 683                 case 0x0001:
 684                         chip = "86c201"; break;
 685                 case 0x0002:
 686                         chip = "86c202"; break;
 687                 case 0x0205:
 688                         chip = "86c205"; break;
 689                 case 0x0215:
 690                         chip = "86c215"; break;
 691                 case 0x0225:
 692                         chip = "86c225"; break;
 693                 case 0x0200:
 694                         chip = "5597/98"; break;
 695                 case 0x6326:
 696                         chip = "6326"; break;
 697                 case 0x6306:
 698                         chip = "530/620"; break;
 699                 }
 700                 break;
 701         case 0x105d:
 702                 vendor = "Number Nine";
 703                 type = "graphics accelerator";
 704                 switch (id >> 16) {
 705                 case 0x2309:
 706                         chip = "Imagine 128"; break;
 707                 case 0x2339:
 708                         chip = "Imagine 128 II"; break;
 709                 }
 710                 break;
 711         case 0x1142:
 712                 vendor = "Alliance";
 713                 switch (id >> 16) {
 714                 case 0x3210:
 715                         chip = "PM6410"; break;
 716                 case 0x6422:
 717                         chip = "PM6422"; break;
 718                 case 0x6424:
 719                         chip = "PMAT24"; break;
 720                 }
 721                 break;
 722         case 0x1163:
 723                 vendor = "Rendition Verite";
 724                 switch (id >> 16) {
 725                 case 0x0001:
 726                         chip = "V1000"; break;
 727                 case 0x2000:
 728                         chip = "V2000"; break;
 729                 }
 730                 break;
 731         case 0x1236:
 732                 vendor = "Sigma Designs";
 733                 if ((id >> 16) == 0x6401)
 734                         chip = "REALmagic64/GX";
 735                 break;
 736         case 0x5333:
 737                 vendor = "S3";
 738                 type = "graphics accelerator";
 739                 switch (id >> 16) {
 740                 case 0x8811:
 741                         chip = "Trio"; break;
 742                 case 0x8812:
 743                         chip = "Aurora 64"; break;
 744                 case 0x8814:
 745                         chip = "Trio 64UV+"; break;
 746                 case 0x8901:
 747                         chip = "Trio 64V2/DX/GX"; break;
 748                 case 0x8902:
 749                         chip = "Plato"; break;
 750                 case 0x8904:
 751                         chip = "Trio3D"; break;
 752                 case 0x8880:
 753                         chip = "868"; break;
 754                 case 0x88b0:
 755                         chip = "928"; break;
 756                 case 0x88c0:
 757                 case 0x88c1:
 758                         chip = "864"; break;
 759                 case 0x88d0:
 760                 case 0x88d1:
 761                         chip = "964"; break;
 762                 case 0x88f0:
 763                         chip = "968"; break;
 764                 case 0x5631:
 765                         chip = "ViRGE"; break;
 766                 case 0x883d:
 767                         chip = "ViRGE VX"; break;
 768                 case 0x8a01:
 769                         chip = "ViRGE DX/GX"; break;
 770                 case 0x8a10:
 771                         chip = "ViRGE GX2"; break;
 772                 case 0x8a13:
 773                         chip = "Trio3D/2X"; break;
 774                 case 0x8a20:
 775                 case 0x8a21:
 776                         chip = "Savage3D"; break;
 777                 case 0x8a22:
 778                         chip = "Savage 4"; break;
 779                 case 0x8c01:
 780                         chip = "ViRGE MX"; break;
 781                 case 0x8c03:
 782                         chip = "ViRGE MX+"; break;
 783                 }
 784                 break;
 785         case 0xedd8:
 786                 vendor = "ARK Logic";
 787                 switch (id >> 16) {
 788                 case 0xa091:
 789                         chip = "1000PV"; break;
 790                 case 0xa099:
 791                         chip = "2000PV"; break;
 792                 case 0xa0a1:
 793                         chip = "2000MT"; break;
 794                 case 0xa0a9:
 795                         chip = "2000MI"; break;
 796                 }
 797                 break;
 798         case 0x3d3d:
 799                 vendor = "3D Labs";
 800                 type = "graphics accelerator";
 801                 switch (id >> 16) {
 802                 case 0x0001:
 803                         chip = "300SX"; break;
 804                 case 0x0002:
 805                         chip = "500TX"; break;
 806                 case 0x0003:
 807                         chip = "Delta"; break;
 808                 case 0x0004:
 809                         chip = "PerMedia"; break;
 810                 }
 811                 break;
 812         case 0x10de:
 813                 vendor = "NVidia";
 814                 type = "graphics accelerator";
 815                 switch (id >> 16) {
 816                 case 0x0008:
 817                         chip = "NV1"; break;
 818                 case 0x0020:
 819                         chip = "Riva TNT"; break;
 820                 case 0x0028:
 821                         chip = "Riva TNT2"; break;
 822                 case 0x0029:
 823                         chip = "Riva Ultra TNT2"; break;
 824                 case 0x002c:
 825                         chip = "Riva Vanta TNT2"; break;
 826                 case 0x002d:
 827                         chip = "Riva Ultra Vanta TNT2"; break;
 828                 case 0x00a0:
 829                         chip = "Riva Integrated TNT2"; break;
 830                 case 0x0100:
 831                         chip = "GeForce 256"; break;
 832                 case 0x0101:
 833                         chip = "GeForce DDR"; break;
 834                 case 0x0103:
 835                         chip = "Quadro"; break;
 836                 case 0x0150:
 837                 case 0x0151:
 838                 case 0x0152:
 839                         chip = "GeForce2 GTS"; break;
 840                 case 0x0153:
 841                         chip = "Quadro2"; break;
 842                 }
 843                 break;
 844         case 0x12d2:
 845                 vendor = "NVidia/SGS-Thomson";
 846                 type = "graphics accelerator";
 847                 switch (id >> 16) {
 848                 case 0x0018:
 849                         chip = "Riva128"; break;
 850                 }
 851                 break;
 852         case 0x104a:
 853                 vendor = "SGS-Thomson";
 854                 switch (id >> 16) {
 855                 case 0x0008:
 856                         chip = "STG2000"; break;
 857                 }
 858                 break;
 859         case 0x8086:
 860                 vendor = "Intel";
 861                 switch (id >> 16) {
 862                 case 0x7121:
 863                         chip = "82810 (i810 GMCH)"; break;
 864                 case 0x7123:
 865                         chip = "82810-DC100 (i810-DC100 GMCH)"; break;
 866                 case 0x7125:
 867                         chip = "82810E (i810E GMCH)"; break;
 868                 case 0x7800:
 869                         chip = "i740 AGP"; break;
 870                 }
 871                 break;
 872         case 0x10ea:
 873                 vendor = "Intergraphics";
 874                 switch (id >> 16) {
 875                 case 0x1680:
 876                         chip = "IGA-1680"; break;
 877                 case 0x1682:
 878                         chip = "IGA-1682"; break;
 879                 }
 880                 break;
 881         }
 882
 883         if (vendor && chip) {
 884                 char *buf;
 885                 int len;
 886
 887                 if (type == 0)
 888                         type = "SVGA controller";
 889
 890                 len = strlen(vendor) + strlen(chip) + strlen(type) + 4;
 891                 MALLOC(buf, char *, len, M_TEMP, M_WAITOK);
 892                 ksprintf(buf, "%s %s %s", vendor, chip, type);
 893                 return buf;
 894         }
 895
 896         switch (pci_get_class(dev)) {
 897
 898         case PCIC_OLD:
 899                 if (pci_get_subclass(dev) != PCIS_OLD_VGA)
 900                         return 0;
 901                 if (type == 0)
 902                         type = "VGA-compatible display device";
 903                 break;
 904
 905         case PCIC_DISPLAY:
 906                 if (type == 0) {
 907                         if (pci_get_subclass(dev) == PCIS_DISPLAY_VGA)
 908                                 type = "VGA-compatible display device";
 909                         else {
 910                                 /*
 911                                  * If it isn't a vga display device,
 912                                  * don't pretend we found one.
 913                                  */
 914                                 return 0;
 915                         }
 916                 }
 917                 break;
 918
 919         default:
 920                 return 0;
 921         };
 922         /*
 923          * If we got here, we know for sure it's some sort of display
 924          * device, but we weren't able to identify it specifically.
 925          * At a minimum we can return the type, but we'd like to
 926          * identify the vendor and chip ID if at all possible.
 927          * (Some of the checks above intentionally don't bother for
 928          * vendors where we know the chip ID is the same as the
 929          * model number.)
 930          */
 931         if (vendor) {
 932                 char *buf;
 933                 int len;
 934
 935                 len = strlen(vendor) + 7 + 4 + 1 + strlen(type) + 1;
 936                 MALLOC(buf, char *, len, M_TEMP, M_WAITOK);
 937                 ksprintf(buf, "%s model %04x %s", vendor, id >> 16, type);
 938                 return buf;
 939         }
 940         return type;
 941 }
 942
 943 /*---------------------------------------------------------
 944 **
 945 **      Devices to ignore
 946 **
 947 **---------------------------------------------------------
 948 */
 949
 950 static const char*
 951 ign_match(device_t dev)
 952 {
 953         switch (pci_get_devid(dev)) {
 954
 955         case 0x10001042ul:      /* wd */
 956                 return ("SMC FDC 37c665");
 957         };
 958
 959         return NULL;
 960 }
 961
 962 static int
 963 ign_probe(device_t dev)
 964 {
 965         const char *s;
 966
 967         s = ign_match(dev);
 968         if (s) {
 969                 device_set_desc(dev, s);
 970                 device_quiet(dev);
 971                 return -1000;
 972         }
 973         return ENXIO;
 974 }
 975
 976 static int
 977 ign_attach(device_t dev)
 978 {
 979         return 0;
 980 }
 981
 982 static device_method_t ign_methods[] = {
 983         /* Device interface */
 984         DEVMETHOD(device_probe,         ign_probe),
 985         DEVMETHOD(device_attach,        ign_attach),
 986
 987         { 0, 0 }
 988 };
 989
 990 static driver_t ign_driver = {
 991         "ign",
 992         ign_methods,
 993         1,
 994 };
 995
 996 static devclass_t ign_devclass;
 997
 998 DRIVER_MODULE(ign, pci, ign_driver, ign_devclass, 0, 0);