| 1 | /* |
| 2 | * Copyright (c) 1997-2003 by The XFree86 Project, Inc. |
| 3 | * |
| 4 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 5 | * copy of this software and associated documentation files (the "Software"), |
| 6 | * to deal in the Software without restriction, including without limitation |
| 7 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 8 | * and/or sell copies of the Software, and to permit persons to whom the |
| 9 | * Software is furnished to do so, subject to the following conditions: |
| 10 | * |
| 11 | * The above copyright notice and this permission notice shall be included in |
| 12 | * all copies or substantial portions of the Software. |
| 13 | * |
| 14 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 15 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 16 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 17 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 18 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 19 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 20 | * OTHER DEALINGS IN THE SOFTWARE. |
| 21 | * |
| 22 | * Except as contained in this notice, the name of the copyright holder(s) |
| 23 | * and author(s) shall not be used in advertising or otherwise to promote |
| 24 | * the sale, use or other dealings in this Software without prior written |
| 25 | * authorization from the copyright holder(s) and author(s). |
| 26 | */ |
| 27 | |
| 28 | /* |
| 29 | * This file contains the interfaces to the bus-specific code |
| 30 | */ |
| 31 | #ifdef HAVE_XORG_CONFIG_H |
| 32 | #include <xorg-config.h> |
| 33 | #endif |
| 34 | |
| 35 | #include <ctype.h> |
| 36 | #include <stdlib.h> |
| 37 | #include <unistd.h> |
| 38 | #include <X11/X.h> |
| 39 | #include <pciaccess.h> |
| 40 | #include "os.h" |
| 41 | #include "Pci.h" |
| 42 | #include "xf86.h" |
| 43 | #include "xf86Priv.h" |
| 44 | #include "dirent.h" /* DIR, FILE type definitions */ |
| 45 | |
| 46 | /* Bus-specific headers */ |
| 47 | #include "xf86Bus.h" |
| 48 | |
| 49 | #define XF86_OS_PRIVS |
| 50 | #include "xf86_OSproc.h" |
| 51 | |
| 52 | #define PCI_VENDOR_GENERIC 0x00FF |
| 53 | |
| 54 | /* Bus-specific globals */ |
| 55 | int pciSlotClaimed = 0; |
| 56 | |
| 57 | #define PCIINFOCLASSES(c) \ |
| 58 | ( (((c) & 0x00ff0000) == (PCI_CLASS_PREHISTORIC << 16)) \ |
| 59 | || (((c) & 0x00ff0000) == (PCI_CLASS_DISPLAY << 16)) \ |
| 60 | || ((((c) & 0x00ffff00) \ |
| 61 | == ((PCI_CLASS_MULTIMEDIA << 16) | (PCI_SUBCLASS_MULTIMEDIA_VIDEO << 8)))) \ |
| 62 | || ((((c) & 0x00ffff00) \ |
| 63 | == ((PCI_CLASS_PROCESSOR << 16) | (PCI_SUBCLASS_PROCESSOR_COPROC << 8)))) ) |
| 64 | |
| 65 | /* |
| 66 | * PCI classes that have messages printed always. The others are only |
| 67 | * have a message printed when the vendor/dev IDs are recognised. |
| 68 | */ |
| 69 | #define PCIALWAYSPRINTCLASSES(c) \ |
| 70 | ( (((c) & 0x00ffff00) \ |
| 71 | == ((PCI_CLASS_PREHISTORIC << 16) | (PCI_SUBCLASS_PREHISTORIC_VGA << 8))) \ |
| 72 | || (((c) & 0x00ff0000) == (PCI_CLASS_DISPLAY << 16)) \ |
| 73 | || ((((c) & 0x00ffff00) \ |
| 74 | == ((PCI_CLASS_MULTIMEDIA << 16) | (PCI_SUBCLASS_MULTIMEDIA_VIDEO << 8)))) ) |
| 75 | |
| 76 | #define IS_VGA(c) \ |
| 77 | (((c) & 0x00ffff00) \ |
| 78 | == ((PCI_CLASS_DISPLAY << 16) | (PCI_SUBCLASS_DISPLAY_VGA << 8))) |
| 79 | |
| 80 | static struct pci_slot_match xf86IsolateDevice = { |
| 81 | PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, PCI_MATCH_ANY, 0 |
| 82 | }; |
| 83 | |
| 84 | /* |
| 85 | * xf86Bus.c interface |
| 86 | */ |
| 87 | |
| 88 | void |
| 89 | xf86PciProbe(void) |
| 90 | { |
| 91 | int i = 0, k; |
| 92 | int num = 0; |
| 93 | struct pci_device *info; |
| 94 | struct pci_device_iterator *iter; |
| 95 | struct pci_device **xf86PciVideoInfo = NULL; |
| 96 | |
| 97 | if (!xf86scanpci()) { |
| 98 | xf86PciVideoInfo = NULL; |
| 99 | return; |
| 100 | } |
| 101 | |
| 102 | iter = pci_slot_match_iterator_create(&xf86IsolateDevice); |
| 103 | while ((info = pci_device_next(iter)) != NULL) { |
| 104 | if (PCIINFOCLASSES(info->device_class)) { |
| 105 | num++; |
| 106 | xf86PciVideoInfo = xnfrealloc(xf86PciVideoInfo, |
| 107 | (sizeof(struct pci_device *) |
| 108 | * (num + 1))); |
| 109 | xf86PciVideoInfo[num] = NULL; |
| 110 | xf86PciVideoInfo[num - 1] = info; |
| 111 | |
| 112 | pci_device_probe(info); |
| 113 | if (primaryBus.type == BUS_NONE && pci_device_is_boot_vga(info)) { |
| 114 | primaryBus.type = BUS_PCI; |
| 115 | primaryBus.id.pci = info; |
| 116 | } |
| 117 | info->user_data = 0; |
| 118 | } |
| 119 | } |
| 120 | free(iter); |
| 121 | |
| 122 | /* If we haven't found a primary device try a different heuristic */ |
| 123 | if (primaryBus.type == BUS_NONE && num) { |
| 124 | for (i = 0; i < num; i++) { |
| 125 | uint16_t command; |
| 126 | |
| 127 | info = xf86PciVideoInfo[i]; |
| 128 | pci_device_cfg_read_u16(info, &command, 4); |
| 129 | |
| 130 | if ((command & PCI_CMD_MEM_ENABLE) |
| 131 | && ((num == 1) || IS_VGA(info->device_class))) { |
| 132 | if (primaryBus.type == BUS_NONE) { |
| 133 | primaryBus.type = BUS_PCI; |
| 134 | primaryBus.id.pci = info; |
| 135 | } |
| 136 | else { |
| 137 | xf86Msg(X_NOTICE, |
| 138 | "More than one possible primary device found\n"); |
| 139 | primaryBus.type ^= (BusType) (-1); |
| 140 | } |
| 141 | } |
| 142 | } |
| 143 | } |
| 144 | |
| 145 | /* Print a summary of the video devices found */ |
| 146 | for (k = 0; k < num; k++) { |
| 147 | const char *prim = " "; |
| 148 | Bool memdone = FALSE, iodone = FALSE; |
| 149 | |
| 150 | info = xf86PciVideoInfo[k]; |
| 151 | |
| 152 | if (!PCIALWAYSPRINTCLASSES(info->device_class)) |
| 153 | continue; |
| 154 | |
| 155 | if (xf86IsPrimaryPci(info)) |
| 156 | prim = "*"; |
| 157 | |
| 158 | xf86Msg(X_PROBED, "PCI:%s(%u:%u:%u:%u) %04x:%04x:%04x:%04x ", prim, |
| 159 | info->domain, info->bus, info->dev, info->func, |
| 160 | info->vendor_id, info->device_id, |
| 161 | info->subvendor_id, info->subdevice_id); |
| 162 | |
| 163 | xf86ErrorF("rev %d", info->revision); |
| 164 | |
| 165 | for (i = 0; i < 6; i++) { |
| 166 | struct pci_mem_region *r = &info->regions[i]; |
| 167 | |
| 168 | if (r->size && !r->is_IO) { |
| 169 | if (!memdone) { |
| 170 | xf86ErrorF(", Mem @ "); |
| 171 | memdone = TRUE; |
| 172 | } |
| 173 | else |
| 174 | xf86ErrorF(", "); |
| 175 | xf86ErrorF("0x%08lx/%ld", (long) r->base_addr, (long) r->size); |
| 176 | } |
| 177 | } |
| 178 | |
| 179 | for (i = 0; i < 6; i++) { |
| 180 | struct pci_mem_region *r = &info->regions[i]; |
| 181 | |
| 182 | if (r->size && r->is_IO) { |
| 183 | if (!iodone) { |
| 184 | xf86ErrorF(", I/O @ "); |
| 185 | iodone = TRUE; |
| 186 | } |
| 187 | else |
| 188 | xf86ErrorF(", "); |
| 189 | xf86ErrorF("0x%08lx/%ld", (long) r->base_addr, (long) r->size); |
| 190 | } |
| 191 | } |
| 192 | |
| 193 | if (info->rom_size) { |
| 194 | xf86ErrorF(", BIOS @ 0x\?\?\?\?\?\?\?\?/%ld", |
| 195 | (long) info->rom_size); |
| 196 | } |
| 197 | |
| 198 | xf86ErrorF("\n"); |
| 199 | } |
| 200 | free(xf86PciVideoInfo); |
| 201 | } |
| 202 | |
| 203 | /* |
| 204 | * If the slot requested is already in use, return -1. |
| 205 | * Otherwise, claim the slot for the screen requesting it. |
| 206 | */ |
| 207 | |
| 208 | int |
| 209 | xf86ClaimPciSlot(struct pci_device *d, DriverPtr drvp, |
| 210 | int chipset, GDevPtr dev, Bool active) |
| 211 | { |
| 212 | EntityPtr p = NULL; |
| 213 | int num; |
| 214 | |
| 215 | if (xf86CheckPciSlot(d)) { |
| 216 | num = xf86AllocateEntity(); |
| 217 | p = xf86Entities[num]; |
| 218 | p->driver = drvp; |
| 219 | p->chipset = chipset; |
| 220 | p->bus.type = BUS_PCI; |
| 221 | p->bus.id.pci = d; |
| 222 | p->active = active; |
| 223 | p->inUse = FALSE; |
| 224 | if (dev) |
| 225 | xf86AddDevToEntity(num, dev); |
| 226 | pciSlotClaimed++; |
| 227 | |
| 228 | return num; |
| 229 | } |
| 230 | else |
| 231 | return -1; |
| 232 | } |
| 233 | |
| 234 | /* |
| 235 | * Unclaim PCI slot, e.g. if probing failed, so that a different driver can claim. |
| 236 | */ |
| 237 | void |
| 238 | xf86UnclaimPciSlot(struct pci_device *d, GDevPtr dev) |
| 239 | { |
| 240 | int i; |
| 241 | |
| 242 | for (i = 0; i < xf86NumEntities; i++) { |
| 243 | const EntityPtr p = xf86Entities[i]; |
| 244 | |
| 245 | if ((p->bus.type == BUS_PCI) && (p->bus.id.pci == d)) { |
| 246 | /* Probably the slot should be deallocated? */ |
| 247 | xf86RemoveDevFromEntity(i, dev); |
| 248 | pciSlotClaimed--; |
| 249 | p->bus.type = BUS_NONE; |
| 250 | return; |
| 251 | } |
| 252 | } |
| 253 | } |
| 254 | |
| 255 | /* |
| 256 | * Parse a BUS ID string, and return the PCI bus parameters if it was |
| 257 | * in the correct format for a PCI bus id. |
| 258 | */ |
| 259 | |
| 260 | Bool |
| 261 | xf86ParsePciBusString(const char *busID, int *bus, int *device, int *func) |
| 262 | { |
| 263 | /* |
| 264 | * The format is assumed to be "bus[@domain]:device[:func]", where domain, |
| 265 | * bus, device and func are decimal integers. domain and func may be |
| 266 | * omitted and assumed to be zero, although doing this isn't encouraged. |
| 267 | */ |
| 268 | |
| 269 | char *p, *s, *d; |
| 270 | const char *id; |
| 271 | int i; |
| 272 | |
| 273 | if (StringToBusType(busID, &id) != BUS_PCI) |
| 274 | return FALSE; |
| 275 | |
| 276 | s = xstrdup(id); |
| 277 | p = strtok(s, ":"); |
| 278 | if (p == NULL || *p == 0) { |
| 279 | free(s); |
| 280 | return FALSE; |
| 281 | } |
| 282 | d = strpbrk(p, "@"); |
| 283 | if (d != NULL) { |
| 284 | *(d++) = 0; |
| 285 | for (i = 0; d[i] != 0; i++) { |
| 286 | if (!isdigit(d[i])) { |
| 287 | free(s); |
| 288 | return FALSE; |
| 289 | } |
| 290 | } |
| 291 | } |
| 292 | for (i = 0; p[i] != 0; i++) { |
| 293 | if (!isdigit(p[i])) { |
| 294 | free(s); |
| 295 | return FALSE; |
| 296 | } |
| 297 | } |
| 298 | *bus = atoi(p); |
| 299 | if (d != NULL && *d != 0) |
| 300 | *bus += atoi(d) << 8; |
| 301 | p = strtok(NULL, ":"); |
| 302 | if (p == NULL || *p == 0) { |
| 303 | free(s); |
| 304 | return FALSE; |
| 305 | } |
| 306 | for (i = 0; p[i] != 0; i++) { |
| 307 | if (!isdigit(p[i])) { |
| 308 | free(s); |
| 309 | return FALSE; |
| 310 | } |
| 311 | } |
| 312 | *device = atoi(p); |
| 313 | *func = 0; |
| 314 | p = strtok(NULL, ":"); |
| 315 | if (p == NULL || *p == 0) { |
| 316 | free(s); |
| 317 | return TRUE; |
| 318 | } |
| 319 | for (i = 0; p[i] != 0; i++) { |
| 320 | if (!isdigit(p[i])) { |
| 321 | free(s); |
| 322 | return FALSE; |
| 323 | } |
| 324 | } |
| 325 | *func = atoi(p); |
| 326 | free(s); |
| 327 | return TRUE; |
| 328 | } |
| 329 | |
| 330 | /* |
| 331 | * Compare a BUS ID string with a PCI bus id. Return TRUE if they match. |
| 332 | */ |
| 333 | |
| 334 | Bool |
| 335 | xf86ComparePciBusString(const char *busID, int bus, int device, int func) |
| 336 | { |
| 337 | int ibus, idevice, ifunc; |
| 338 | |
| 339 | if (xf86ParsePciBusString(busID, &ibus, &idevice, &ifunc)) { |
| 340 | return bus == ibus && device == idevice && func == ifunc; |
| 341 | } |
| 342 | else { |
| 343 | return FALSE; |
| 344 | } |
| 345 | } |
| 346 | |
| 347 | /* |
| 348 | * xf86IsPrimaryPci() -- return TRUE if primary device |
| 349 | * is PCI and bus, dev and func numbers match. |
| 350 | */ |
| 351 | |
| 352 | Bool |
| 353 | xf86IsPrimaryPci(struct pci_device *pPci) |
| 354 | { |
| 355 | if (primaryBus.type == BUS_PCI) |
| 356 | return pPci == primaryBus.id.pci; |
| 357 | #ifdef XSERVER_PLATFORM_BUS |
| 358 | if (primaryBus.type == BUS_PLATFORM) |
| 359 | if (primaryBus.id.plat->pdev) |
| 360 | if (MATCH_PCI_DEVICES(primaryBus.id.plat->pdev, pPci)) |
| 361 | return TRUE; |
| 362 | #endif |
| 363 | return FALSE; |
| 364 | } |
| 365 | |
| 366 | /* |
| 367 | * xf86GetPciInfoForEntity() -- Get the pciVideoRec of entity. |
| 368 | */ |
| 369 | struct pci_device * |
| 370 | xf86GetPciInfoForEntity(int entityIndex) |
| 371 | { |
| 372 | EntityPtr p; |
| 373 | |
| 374 | if (entityIndex >= xf86NumEntities) |
| 375 | return NULL; |
| 376 | |
| 377 | p = xf86Entities[entityIndex]; |
| 378 | switch (p->bus.type) { |
| 379 | case BUS_PCI: |
| 380 | return p->bus.id.pci; |
| 381 | case BUS_PLATFORM: |
| 382 | return p->bus.id.plat->pdev; |
| 383 | default: |
| 384 | break; |
| 385 | } |
| 386 | return NULL; |
| 387 | } |
| 388 | |
| 389 | /* |
| 390 | * xf86CheckPciMemBase() checks that the memory base value matches one of the |
| 391 | * PCI base address register values for the given PCI device. |
| 392 | */ |
| 393 | Bool |
| 394 | xf86CheckPciMemBase(struct pci_device *pPci, memType base) |
| 395 | { |
| 396 | int i; |
| 397 | |
| 398 | for (i = 0; i < 6; i++) |
| 399 | if (base == pPci->regions[i].base_addr) |
| 400 | return TRUE; |
| 401 | return FALSE; |
| 402 | } |
| 403 | |
| 404 | /* |
| 405 | * Check if the slot requested is free. If it is already in use, return FALSE. |
| 406 | */ |
| 407 | |
| 408 | Bool |
| 409 | xf86CheckPciSlot(const struct pci_device *d) |
| 410 | { |
| 411 | int i; |
| 412 | |
| 413 | for (i = 0; i < xf86NumEntities; i++) { |
| 414 | const EntityPtr p = xf86Entities[i]; |
| 415 | |
| 416 | if ((p->bus.type == BUS_PCI) && (p->bus.id.pci == d)) { |
| 417 | return FALSE; |
| 418 | } |
| 419 | #ifdef XSERVER_PLATFORM_BUS |
| 420 | if ((p->bus.type == BUS_PLATFORM) && (p->bus.id.plat->pdev)) { |
| 421 | struct pci_device *ud = p->bus.id.plat->pdev; |
| 422 | if (MATCH_PCI_DEVICES(ud, d)) |
| 423 | return FALSE; |
| 424 | } |
| 425 | #endif |
| 426 | } |
| 427 | return TRUE; |
| 428 | } |
| 429 | |
| 430 | #define END_OF_MATCHES(m) \ |
| 431 | (((m).vendor_id == 0) && ((m).device_id == 0) && ((m).subvendor_id == 0)) |
| 432 | |
| 433 | Bool |
| 434 | xf86PciAddMatchingDev(DriverPtr drvp) |
| 435 | { |
| 436 | const struct pci_id_match *const devices = drvp->supported_devices; |
| 437 | int j; |
| 438 | struct pci_device *pPci; |
| 439 | struct pci_device_iterator *iter; |
| 440 | int numFound = 0; |
| 441 | |
| 442 | iter = pci_id_match_iterator_create(NULL); |
| 443 | while ((pPci = pci_device_next(iter)) != NULL) { |
| 444 | /* Determine if this device is supported by the driver. If it is, |
| 445 | * add it to the list of devices to configure. |
| 446 | */ |
| 447 | for (j = 0; !END_OF_MATCHES(devices[j]); j++) { |
| 448 | if (PCI_ID_COMPARE(devices[j].vendor_id, pPci->vendor_id) |
| 449 | && PCI_ID_COMPARE(devices[j].device_id, pPci->device_id) |
| 450 | && ((devices[j].device_class_mask & pPci->device_class) |
| 451 | == devices[j].device_class)) { |
| 452 | if (xf86CheckPciSlot(pPci)) { |
| 453 | GDevPtr pGDev = |
| 454 | xf86AddBusDeviceToConfigure(drvp->driverName, BUS_PCI, |
| 455 | pPci, -1); |
| 456 | if (pGDev != NULL) { |
| 457 | /* After configure pass 1, chipID and chipRev are |
| 458 | * treated as over-rides, so clobber them here. |
| 459 | */ |
| 460 | pGDev->chipID = -1; |
| 461 | pGDev->chipRev = -1; |
| 462 | } |
| 463 | |
| 464 | numFound++; |
| 465 | } |
| 466 | |
| 467 | break; |
| 468 | } |
| 469 | } |
| 470 | } |
| 471 | |
| 472 | pci_iterator_destroy(iter); |
| 473 | |
| 474 | return numFound != 0; |
| 475 | } |
| 476 | |
| 477 | Bool |
| 478 | xf86PciProbeDev(DriverPtr drvp) |
| 479 | { |
| 480 | int i, j; |
| 481 | struct pci_device *pPci; |
| 482 | Bool foundScreen = FALSE; |
| 483 | const struct pci_id_match *const devices = drvp->supported_devices; |
| 484 | GDevPtr *devList; |
| 485 | const unsigned numDevs = xf86MatchDevice(drvp->driverName, &devList); |
| 486 | |
| 487 | for (i = 0; i < numDevs; i++) { |
| 488 | struct pci_device_iterator *iter; |
| 489 | unsigned device_id; |
| 490 | |
| 491 | /* Find the pciVideoRec associated with this device section. |
| 492 | */ |
| 493 | iter = pci_id_match_iterator_create(NULL); |
| 494 | while ((pPci = pci_device_next(iter)) != NULL) { |
| 495 | if (devList[i]->busID && *devList[i]->busID) { |
| 496 | if (xf86ComparePciBusString(devList[i]->busID, |
| 497 | ((pPci->domain << 8) |
| 498 | | pPci->bus), |
| 499 | pPci->dev, pPci->func)) { |
| 500 | break; |
| 501 | } |
| 502 | } |
| 503 | else if (xf86IsPrimaryPci(pPci)) { |
| 504 | break; |
| 505 | } |
| 506 | } |
| 507 | |
| 508 | pci_iterator_destroy(iter); |
| 509 | |
| 510 | if (pPci == NULL) { |
| 511 | continue; |
| 512 | } |
| 513 | device_id = (devList[i]->chipID > 0) |
| 514 | ? devList[i]->chipID : pPci->device_id; |
| 515 | |
| 516 | /* Once the pciVideoRec is found, determine if the device is supported |
| 517 | * by the driver. If it is, probe it! |
| 518 | */ |
| 519 | for (j = 0; !END_OF_MATCHES(devices[j]); j++) { |
| 520 | if (PCI_ID_COMPARE(devices[j].vendor_id, pPci->vendor_id) |
| 521 | && PCI_ID_COMPARE(devices[j].device_id, device_id) |
| 522 | && ((devices[j].device_class_mask & pPci->device_class) |
| 523 | == devices[j].device_class)) { |
| 524 | int entry; |
| 525 | |
| 526 | /* Allow the same entity to be used more than once for |
| 527 | * devices with multiple screens per entity. This assumes |
| 528 | * implicitly that there will be a screen == 0 instance. |
| 529 | * |
| 530 | * FIXME Need to make sure that two different drivers don't |
| 531 | * FIXME claim the same screen > 0 instance. |
| 532 | */ |
| 533 | if ((devList[i]->screen == 0) && !xf86CheckPciSlot(pPci)) |
| 534 | continue; |
| 535 | |
| 536 | DebugF("%s: card at %d:%d:%d is claimed by a Device section\n", |
| 537 | drvp->driverName, pPci->bus, pPci->dev, pPci->func); |
| 538 | |
| 539 | /* Allocate an entry in the lists to be returned */ |
| 540 | entry = xf86ClaimPciSlot(pPci, drvp, device_id, |
| 541 | devList[i], devList[i]->active); |
| 542 | |
| 543 | if ((entry == -1) && (devList[i]->screen > 0)) { |
| 544 | unsigned k; |
| 545 | |
| 546 | for (k = 0; k < xf86NumEntities; k++) { |
| 547 | EntityPtr pEnt = xf86Entities[k]; |
| 548 | |
| 549 | if (pEnt->bus.type != BUS_PCI) |
| 550 | continue; |
| 551 | if (pEnt->bus.id.pci == pPci) { |
| 552 | entry = k; |
| 553 | xf86AddDevToEntity(k, devList[i]); |
| 554 | break; |
| 555 | } |
| 556 | } |
| 557 | } |
| 558 | |
| 559 | if (entry != -1) { |
| 560 | if ((*drvp->PciProbe) (drvp, entry, pPci, |
| 561 | devices[j].match_data)) { |
| 562 | foundScreen = TRUE; |
| 563 | } |
| 564 | else |
| 565 | xf86UnclaimPciSlot(pPci, devList[i]); |
| 566 | } |
| 567 | |
| 568 | break; |
| 569 | } |
| 570 | } |
| 571 | } |
| 572 | free(devList); |
| 573 | |
| 574 | return foundScreen; |
| 575 | } |
| 576 | |
| 577 | void |
| 578 | xf86PciIsolateDevice(char *argument) |
| 579 | { |
| 580 | int bus, device, func; |
| 581 | |
| 582 | if (sscanf(argument, "PCI:%d:%d:%d", &bus, &device, &func) == 3) { |
| 583 | xf86IsolateDevice.domain = PCI_DOM_FROM_BUS(bus); |
| 584 | xf86IsolateDevice.bus = PCI_BUS_NO_DOMAIN(bus); |
| 585 | xf86IsolateDevice.dev = device; |
| 586 | xf86IsolateDevice.func = func; |
| 587 | } |
| 588 | else |
| 589 | FatalError("Invalid isolated device specification\n"); |
| 590 | } |
| 591 | |
| 592 | static Bool |
| 593 | pciDeviceHasBars(struct pci_device *pci) |
| 594 | { |
| 595 | int i; |
| 596 | |
| 597 | for (i = 0; i < 6; i++) |
| 598 | if (pci->regions[i].size) |
| 599 | return TRUE; |
| 600 | |
| 601 | if (pci->rom_size) |
| 602 | return TRUE; |
| 603 | |
| 604 | return FALSE; |
| 605 | } |
| 606 | |
| 607 | struct Inst { |
| 608 | struct pci_device *pci; |
| 609 | GDevPtr dev; |
| 610 | Bool foundHW; /* PCIid in list of supported chipsets */ |
| 611 | Bool claimed; /* BusID matches with a device section */ |
| 612 | int chip; |
| 613 | int screen; |
| 614 | }; |
| 615 | |
| 616 | /** |
| 617 | * Find set of unclaimed devices matching a given vendor ID. |
| 618 | * |
| 619 | * Used by drivers to find as yet unclaimed devices matching the specified |
| 620 | * vendor ID. |
| 621 | * |
| 622 | * \param driverName Name of the driver. This is used to find Device |
| 623 | * sections in the config file. |
| 624 | * \param vendorID PCI vendor ID of associated devices. If zero, then |
| 625 | * the true vendor ID must be encoded in the \c PCIid |
| 626 | * fields of the \c PCIchipsets entries. |
| 627 | * \param chipsets Symbol table used to associate chipset names with |
| 628 | * PCI IDs. |
| 629 | * \param devList List of Device sections parsed from the config file. |
| 630 | * \param numDevs Number of entries in \c devList. |
| 631 | * \param drvp Pointer the driver's control structure. |
| 632 | * \param foundEntities Returned list of entity indicies associated with the |
| 633 | * driver. |
| 634 | * |
| 635 | * \returns |
| 636 | * The number of elements in returned in \c foundEntities on success or zero |
| 637 | * on failure. |
| 638 | * |
| 639 | * \todo |
| 640 | * This function does a bit more than short description says. Fill in some |
| 641 | * more of the details of its operation. |
| 642 | * |
| 643 | * \todo |
| 644 | * The \c driverName parameter is redundant. It is the same as |
| 645 | * \c DriverRec::driverName. In a future version of this function, remove |
| 646 | * that parameter. |
| 647 | */ |
| 648 | int |
| 649 | xf86MatchPciInstances(const char *driverName, int vendorID, |
| 650 | SymTabPtr chipsets, PciChipsets * PCIchipsets, |
| 651 | GDevPtr * devList, int numDevs, DriverPtr drvp, |
| 652 | int **foundEntities) |
| 653 | { |
| 654 | int i, j; |
| 655 | struct pci_device *pPci; |
| 656 | struct pci_device_iterator *iter; |
| 657 | struct Inst *instances = NULL; |
| 658 | int numClaimedInstances = 0; |
| 659 | int allocatedInstances = 0; |
| 660 | int numFound = 0; |
| 661 | SymTabRec *c; |
| 662 | PciChipsets *id; |
| 663 | int *retEntities = NULL; |
| 664 | |
| 665 | *foundEntities = NULL; |
| 666 | |
| 667 | /* Each PCI device will contribute at least one entry. Each device |
| 668 | * section can contribute at most one entry. The sum of the two is |
| 669 | * guaranteed to be larger than the maximum possible number of entries. |
| 670 | * Do this calculation and memory allocation once now to eliminate the |
| 671 | * need for realloc calls inside the loop. |
| 672 | */ |
| 673 | if (!(xf86DoConfigure && xf86DoConfigurePass1)) { |
| 674 | unsigned max_entries = numDevs; |
| 675 | |
| 676 | iter = pci_slot_match_iterator_create(NULL); |
| 677 | while ((pPci = pci_device_next(iter)) != NULL) { |
| 678 | max_entries++; |
| 679 | } |
| 680 | |
| 681 | pci_iterator_destroy(iter); |
| 682 | instances = xnfalloc(max_entries * sizeof(struct Inst)); |
| 683 | } |
| 684 | |
| 685 | iter = pci_slot_match_iterator_create(NULL); |
| 686 | while ((pPci = pci_device_next(iter)) != NULL) { |
| 687 | unsigned device_class = pPci->device_class; |
| 688 | Bool foundVendor = FALSE; |
| 689 | |
| 690 | /* Convert the pre-PCI 2.0 device class for a VGA adapter to the |
| 691 | * 2.0 version of the same class. |
| 692 | */ |
| 693 | if (device_class == 0x00000101) { |
| 694 | device_class = 0x00030000; |
| 695 | } |
| 696 | |
| 697 | /* Find PCI devices that match the given vendor ID. The vendor ID is |
| 698 | * either specified explicitly as a parameter to the function or |
| 699 | * implicitly encoded in the high bits of id->PCIid. |
| 700 | * |
| 701 | * The first device with a matching vendor is recorded, even if the |
| 702 | * device ID doesn't match. This is done because the Device section |
| 703 | * in the xorg.conf file can over-ride the device ID. A matching PCI |
| 704 | * ID might not be found now, but after the device ID over-ride is |
| 705 | * applied there /might/ be a match. |
| 706 | */ |
| 707 | for (id = PCIchipsets; id->PCIid != -1; id++) { |
| 708 | const unsigned vendor_id = ((id->PCIid & 0xFFFF0000) >> 16) |
| 709 | | vendorID; |
| 710 | const unsigned device_id = (id->PCIid & 0x0000FFFF); |
| 711 | const unsigned match_class = 0x00030000 | id->PCIid; |
| 712 | |
| 713 | if ((vendor_id == pPci->vendor_id) |
| 714 | || ((vendorID == PCI_VENDOR_GENERIC) && |
| 715 | (match_class == device_class))) { |
| 716 | if (!foundVendor && (instances != NULL)) { |
| 717 | ++allocatedInstances; |
| 718 | instances[allocatedInstances - 1].pci = pPci; |
| 719 | instances[allocatedInstances - 1].dev = NULL; |
| 720 | instances[allocatedInstances - 1].claimed = FALSE; |
| 721 | instances[allocatedInstances - 1].foundHW = FALSE; |
| 722 | instances[allocatedInstances - 1].screen = 0; |
| 723 | } |
| 724 | |
| 725 | foundVendor = TRUE; |
| 726 | |
| 727 | if ((device_id == pPci->device_id) |
| 728 | || ((vendorID == PCI_VENDOR_GENERIC) |
| 729 | && (match_class == device_class))) { |
| 730 | if (instances != NULL) { |
| 731 | instances[allocatedInstances - 1].foundHW = TRUE; |
| 732 | instances[allocatedInstances - 1].chip = id->numChipset; |
| 733 | } |
| 734 | |
| 735 | if (xf86DoConfigure && xf86DoConfigurePass1) { |
| 736 | if (xf86CheckPciSlot(pPci)) { |
| 737 | GDevPtr pGDev = |
| 738 | xf86AddBusDeviceToConfigure(drvp->driverName, |
| 739 | BUS_PCI, pPci, -1); |
| 740 | |
| 741 | if (pGDev) { |
| 742 | /* After configure pass 1, chipID and chipRev |
| 743 | * are treated as over-rides, so clobber them |
| 744 | * here. |
| 745 | */ |
| 746 | pGDev->chipID = -1; |
| 747 | pGDev->chipRev = -1; |
| 748 | } |
| 749 | |
| 750 | numFound++; |
| 751 | } |
| 752 | } |
| 753 | else { |
| 754 | numFound++; |
| 755 | } |
| 756 | |
| 757 | break; |
| 758 | } |
| 759 | } |
| 760 | } |
| 761 | } |
| 762 | |
| 763 | pci_iterator_destroy(iter); |
| 764 | |
| 765 | /* In "probe only" or "configure" mode (signaled by instances being NULL), |
| 766 | * our work is done. Return the number of detected devices. |
| 767 | */ |
| 768 | if (instances == NULL) { |
| 769 | return numFound; |
| 770 | } |
| 771 | |
| 772 | /* |
| 773 | * This may be debatable, but if no PCI devices with a matching vendor |
| 774 | * type is found, return zero now. It is probably not desirable to |
| 775 | * allow the config file to override this. |
| 776 | */ |
| 777 | if (allocatedInstances <= 0) { |
| 778 | free(instances); |
| 779 | return 0; |
| 780 | } |
| 781 | |
| 782 | DebugF("%s instances found: %d\n", driverName, allocatedInstances); |
| 783 | |
| 784 | /* |
| 785 | * Check for devices that need duplicated instances. This is required |
| 786 | * when there is more than one screen per entity. |
| 787 | * |
| 788 | * XXX This currently doesn't work for cases where the BusID isn't |
| 789 | * specified explicitly in the config file. |
| 790 | */ |
| 791 | |
| 792 | for (j = 0; j < numDevs; j++) { |
| 793 | if (devList[j]->screen > 0 && devList[j]->busID && *devList[j]->busID) { |
| 794 | for (i = 0; i < allocatedInstances; i++) { |
| 795 | pPci = instances[i].pci; |
| 796 | if (xf86ComparePciBusString(devList[j]->busID, |
| 797 | PCI_MAKE_BUS(pPci->domain, |
| 798 | pPci->bus), pPci->dev, |
| 799 | pPci->func)) { |
| 800 | allocatedInstances++; |
| 801 | instances[allocatedInstances - 1] = instances[i]; |
| 802 | instances[allocatedInstances - 1].screen = |
| 803 | devList[j]->screen; |
| 804 | numFound++; |
| 805 | break; |
| 806 | } |
| 807 | } |
| 808 | } |
| 809 | } |
| 810 | |
| 811 | for (i = 0; i < allocatedInstances; i++) { |
| 812 | GDevPtr dev = NULL; |
| 813 | GDevPtr devBus = NULL; |
| 814 | |
| 815 | pPci = instances[i].pci; |
| 816 | for (j = 0; j < numDevs; j++) { |
| 817 | if (devList[j]->busID && *devList[j]->busID) { |
| 818 | if (xf86ComparePciBusString(devList[j]->busID, |
| 819 | PCI_MAKE_BUS(pPci->domain, |
| 820 | pPci->bus), pPci->dev, |
| 821 | pPci->func) && |
| 822 | devList[j]->screen == instances[i].screen) { |
| 823 | |
| 824 | if (devBus) |
| 825 | xf86MsgVerb(X_WARNING, 0, |
| 826 | "%s: More than one matching Device section for " |
| 827 | "instances\n\t(BusID: %s) found: %s\n", |
| 828 | driverName, devList[j]->busID, |
| 829 | devList[j]->identifier); |
| 830 | else |
| 831 | devBus = devList[j]; |
| 832 | } |
| 833 | } |
| 834 | else { |
| 835 | /* |
| 836 | * if device section without BusID is found |
| 837 | * only assign to it to the primary device. |
| 838 | */ |
| 839 | if (xf86IsPrimaryPci(pPci)) { |
| 840 | xf86Msg(X_PROBED, "Assigning device section with no busID" |
| 841 | " to primary device\n"); |
| 842 | if (dev || devBus) |
| 843 | xf86MsgVerb(X_WARNING, 0, |
| 844 | "%s: More than one matching Device section " |
| 845 | "found: %s\n", driverName, |
| 846 | devList[j]->identifier); |
| 847 | else |
| 848 | dev = devList[j]; |
| 849 | } |
| 850 | } |
| 851 | } |
| 852 | if (devBus) |
| 853 | dev = devBus; /* busID preferred */ |
| 854 | if (!dev) { |
| 855 | if (xf86CheckPciSlot(pPci) && pciDeviceHasBars(pPci)) { |
| 856 | xf86MsgVerb(X_WARNING, 0, "%s: No matching Device section " |
| 857 | "for instance (BusID PCI:%u@%u:%u:%u) found\n", |
| 858 | driverName, pPci->domain, pPci->bus, pPci->dev, |
| 859 | pPci->func); |
| 860 | } |
| 861 | } |
| 862 | else { |
| 863 | numClaimedInstances++; |
| 864 | instances[i].claimed = TRUE; |
| 865 | instances[i].dev = dev; |
| 866 | } |
| 867 | } |
| 868 | DebugF("%s instances found: %d\n", driverName, numClaimedInstances); |
| 869 | /* |
| 870 | * Now check that a chipset or chipID override in the device section |
| 871 | * is valid. Chipset has precedence over chipID. |
| 872 | * If chipset is not valid ignore BusSlot completely. |
| 873 | */ |
| 874 | for (i = 0; i < allocatedInstances && numClaimedInstances > 0; i++) { |
| 875 | MessageType from = X_PROBED; |
| 876 | |
| 877 | if (!instances[i].claimed) { |
| 878 | continue; |
| 879 | } |
| 880 | if (instances[i].dev->chipset) { |
| 881 | for (c = chipsets; c->token >= 0; c++) { |
| 882 | if (xf86NameCmp(c->name, instances[i].dev->chipset) == 0) |
| 883 | break; |
| 884 | } |
| 885 | if (c->token == -1) { |
| 886 | instances[i].claimed = FALSE; |
| 887 | numClaimedInstances--; |
| 888 | xf86MsgVerb(X_WARNING, 0, "%s: Chipset \"%s\" in Device " |
| 889 | "section \"%s\" isn't valid for this driver\n", |
| 890 | driverName, instances[i].dev->chipset, |
| 891 | instances[i].dev->identifier); |
| 892 | } |
| 893 | else { |
| 894 | instances[i].chip = c->token; |
| 895 | |
| 896 | for (id = PCIchipsets; id->numChipset >= 0; id++) { |
| 897 | if (id->numChipset == instances[i].chip) |
| 898 | break; |
| 899 | } |
| 900 | if (id->numChipset >= 0) { |
| 901 | xf86Msg(X_CONFIG, "Chipset override: %s\n", |
| 902 | instances[i].dev->chipset); |
| 903 | from = X_CONFIG; |
| 904 | } |
| 905 | else { |
| 906 | instances[i].claimed = FALSE; |
| 907 | numClaimedInstances--; |
| 908 | xf86MsgVerb(X_WARNING, 0, "%s: Chipset \"%s\" in Device " |
| 909 | "section \"%s\" isn't a valid PCI chipset\n", |
| 910 | driverName, instances[i].dev->chipset, |
| 911 | instances[i].dev->identifier); |
| 912 | } |
| 913 | } |
| 914 | } |
| 915 | else if (instances[i].dev->chipID > 0) { |
| 916 | for (id = PCIchipsets; id->numChipset >= 0; id++) { |
| 917 | if (id->PCIid == instances[i].dev->chipID) |
| 918 | break; |
| 919 | } |
| 920 | if (id->numChipset == -1) { |
| 921 | instances[i].claimed = FALSE; |
| 922 | numClaimedInstances--; |
| 923 | xf86MsgVerb(X_WARNING, 0, "%s: ChipID 0x%04X in Device " |
| 924 | "section \"%s\" isn't valid for this driver\n", |
| 925 | driverName, instances[i].dev->chipID, |
| 926 | instances[i].dev->identifier); |
| 927 | } |
| 928 | else { |
| 929 | instances[i].chip = id->numChipset; |
| 930 | |
| 931 | xf86Msg(X_CONFIG, "ChipID override: 0x%04X\n", |
| 932 | instances[i].dev->chipID); |
| 933 | from = X_CONFIG; |
| 934 | } |
| 935 | } |
| 936 | else if (!instances[i].foundHW) { |
| 937 | /* |
| 938 | * This means that there was no override and the PCI chipType |
| 939 | * doesn't match one that is supported |
| 940 | */ |
| 941 | instances[i].claimed = FALSE; |
| 942 | numClaimedInstances--; |
| 943 | } |
| 944 | if (instances[i].claimed == TRUE) { |
| 945 | for (c = chipsets; c->token >= 0; c++) { |
| 946 | if (c->token == instances[i].chip) |
| 947 | break; |
| 948 | } |
| 949 | xf86Msg(from, "Chipset %s found\n", c->name); |
| 950 | } |
| 951 | } |
| 952 | |
| 953 | /* |
| 954 | * Of the claimed instances, check that another driver hasn't already |
| 955 | * claimed its slot. |
| 956 | */ |
| 957 | numFound = 0; |
| 958 | for (i = 0; i < allocatedInstances && numClaimedInstances > 0; i++) { |
| 959 | if (!instances[i].claimed) |
| 960 | continue; |
| 961 | pPci = instances[i].pci; |
| 962 | |
| 963 | /* |
| 964 | * Allow the same entity to be used more than once for devices with |
| 965 | * multiple screens per entity. This assumes implicitly that there |
| 966 | * will be a screen == 0 instance. |
| 967 | * |
| 968 | * XXX Need to make sure that two different drivers don't claim |
| 969 | * the same screen > 0 instance. |
| 970 | */ |
| 971 | if (instances[i].screen == 0 && !xf86CheckPciSlot(pPci)) |
| 972 | continue; |
| 973 | |
| 974 | DebugF("%s: card at %d:%d:%d is claimed by a Device section\n", |
| 975 | driverName, pPci->bus, pPci->dev, pPci->func); |
| 976 | |
| 977 | /* Allocate an entry in the lists to be returned */ |
| 978 | numFound++; |
| 979 | retEntities = xnfrealloc(retEntities, numFound * sizeof(int)); |
| 980 | retEntities[numFound - 1] = xf86ClaimPciSlot(pPci, drvp, |
| 981 | instances[i].chip, |
| 982 | instances[i].dev, |
| 983 | instances[i].dev->active); |
| 984 | if (retEntities[numFound - 1] == -1 && instances[i].screen > 0) { |
| 985 | for (j = 0; j < xf86NumEntities; j++) { |
| 986 | EntityPtr pEnt = xf86Entities[j]; |
| 987 | |
| 988 | if (pEnt->bus.type != BUS_PCI) |
| 989 | continue; |
| 990 | if (pEnt->bus.id.pci == pPci) { |
| 991 | retEntities[numFound - 1] = j; |
| 992 | xf86AddDevToEntity(j, instances[i].dev); |
| 993 | break; |
| 994 | } |
| 995 | } |
| 996 | } |
| 997 | } |
| 998 | free(instances); |
| 999 | if (numFound > 0) { |
| 1000 | *foundEntities = retEntities; |
| 1001 | } |
| 1002 | |
| 1003 | return numFound; |
| 1004 | } |
| 1005 | |
| 1006 | /* |
| 1007 | * xf86ConfigPciEntityInactive() -- This function can be used |
| 1008 | * to configure an inactive entity as well as to reconfigure an |
| 1009 | * previously active entity inactive. If the entity has been |
| 1010 | * assigned to a screen before it will be removed. If p_chip is |
| 1011 | * non-NULL all static resources listed there will be registered. |
| 1012 | */ |
| 1013 | static void |
| 1014 | xf86ConfigPciEntityInactive(EntityInfoPtr pEnt, PciChipsets * p_chip, |
| 1015 | EntityProc init, EntityProc enter, |
| 1016 | EntityProc leave, pointer private) |
| 1017 | { |
| 1018 | ScrnInfoPtr pScrn; |
| 1019 | |
| 1020 | if ((pScrn = xf86FindScreenForEntity(pEnt->index))) |
| 1021 | xf86RemoveEntityFromScreen(pScrn, pEnt->index); |
| 1022 | |
| 1023 | /* shared resources are only needed when entity is active: remove */ |
| 1024 | xf86SetEntityFuncs(pEnt->index, init, enter, leave, private); |
| 1025 | } |
| 1026 | |
| 1027 | ScrnInfoPtr |
| 1028 | xf86ConfigPciEntity(ScrnInfoPtr pScrn, int scrnFlag, int entityIndex, |
| 1029 | PciChipsets * p_chip, void *dummy, EntityProc init, |
| 1030 | EntityProc enter, EntityProc leave, pointer private) |
| 1031 | { |
| 1032 | EntityInfoPtr pEnt = xf86GetEntityInfo(entityIndex); |
| 1033 | |
| 1034 | if (!pEnt) |
| 1035 | return pScrn; |
| 1036 | |
| 1037 | if (!(pEnt->location.type == BUS_PCI) |
| 1038 | || !xf86GetPciInfoForEntity(entityIndex)) { |
| 1039 | free(pEnt); |
| 1040 | return pScrn; |
| 1041 | } |
| 1042 | if (!pEnt->active) { |
| 1043 | xf86ConfigPciEntityInactive(pEnt, p_chip, init, enter, leave, private); |
| 1044 | free(pEnt); |
| 1045 | return pScrn; |
| 1046 | } |
| 1047 | |
| 1048 | if (!pScrn) |
| 1049 | pScrn = xf86AllocateScreen(pEnt->driver, scrnFlag); |
| 1050 | if (xf86IsEntitySharable(entityIndex)) { |
| 1051 | xf86SetEntityShared(entityIndex); |
| 1052 | } |
| 1053 | xf86AddEntityToScreen(pScrn, entityIndex); |
| 1054 | if (xf86IsEntityShared(entityIndex)) { |
| 1055 | return pScrn; |
| 1056 | } |
| 1057 | free(pEnt); |
| 1058 | |
| 1059 | xf86SetEntityFuncs(entityIndex, init, enter, leave, private); |
| 1060 | |
| 1061 | return pScrn; |
| 1062 | } |
| 1063 | |
| 1064 | /* |
| 1065 | * OBSOLETE ! xf86ConfigActivePciEntity() is an obsolete function. |
| 1066 | * It is likely to be removed. Don't use! |
| 1067 | */ |
| 1068 | Bool |
| 1069 | xf86ConfigActivePciEntity(ScrnInfoPtr pScrn, int entityIndex, |
| 1070 | PciChipsets * p_chip, void *dummy, EntityProc init, |
| 1071 | EntityProc enter, EntityProc leave, pointer private) |
| 1072 | { |
| 1073 | EntityInfoPtr pEnt = xf86GetEntityInfo(entityIndex); |
| 1074 | |
| 1075 | if (!pEnt) |
| 1076 | return FALSE; |
| 1077 | |
| 1078 | if (!pEnt->active || !(pEnt->location.type == BUS_PCI)) { |
| 1079 | free(pEnt); |
| 1080 | return FALSE; |
| 1081 | } |
| 1082 | xf86AddEntityToScreen(pScrn, entityIndex); |
| 1083 | |
| 1084 | free(pEnt); |
| 1085 | if (!xf86SetEntityFuncs(entityIndex, init, enter, leave, private)) |
| 1086 | return FALSE; |
| 1087 | |
| 1088 | return TRUE; |
| 1089 | } |
| 1090 | |
| 1091 | int |
| 1092 | xf86VideoPtrToDriverList(struct pci_device *dev, |
| 1093 | char *returnList[], int returnListMax) |
| 1094 | { |
| 1095 | int i; |
| 1096 | |
| 1097 | /* Add more entries here if we ever return more than 4 drivers for |
| 1098 | any device */ |
| 1099 | const char *driverList[5] = { NULL, NULL, NULL, NULL, NULL }; |
| 1100 | |
| 1101 | switch (dev->vendor_id) { |
| 1102 | /* AMD Geode LX */ |
| 1103 | case 0x1022: |
| 1104 | if (dev->device_id == 0x2081) |
| 1105 | driverList[0] = "geode"; |
| 1106 | break; |
| 1107 | /* older Geode products acquired by AMD still carry an NSC vendor_id */ |
| 1108 | case 0x100b: |
| 1109 | if (dev->device_id == 0x0030) { |
| 1110 | /* NSC Geode GX2 specifically */ |
| 1111 | driverList[0] = "geode"; |
| 1112 | /* GX2 support started its life in the NSC tree and was later |
| 1113 | forked by AMD for GEODE so we keep it as a backup */ |
| 1114 | driverList[1] = "nsc"; |
| 1115 | } |
| 1116 | else |
| 1117 | /* other NSC variant e.g. 0x0104 (SC1400), 0x0504 (SCx200) */ |
| 1118 | driverList[0] = "nsc"; |
| 1119 | break; |
| 1120 | /* Cyrix Geode GX1 */ |
| 1121 | case 0x1078: |
| 1122 | if (dev->device_id == 0x0104) |
| 1123 | driverList[0] = "cyrix"; |
| 1124 | break; |
| 1125 | case 0x1142: |
| 1126 | driverList[0] = "apm"; |
| 1127 | break; |
| 1128 | case 0xedd8: |
| 1129 | driverList[0] = "ark"; |
| 1130 | break; |
| 1131 | case 0x1a03: |
| 1132 | driverList[0] = "ast"; |
| 1133 | break; |
| 1134 | case 0x1002: |
| 1135 | driverList[0] = "ati"; |
| 1136 | break; |
| 1137 | case 0x102c: |
| 1138 | driverList[0] = "chips"; |
| 1139 | break; |
| 1140 | case 0x1013: |
| 1141 | driverList[0] = "cirrus"; |
| 1142 | break; |
| 1143 | case 0x3d3d: |
| 1144 | driverList[0] = "glint"; |
| 1145 | break; |
| 1146 | case 0x105d: |
| 1147 | driverList[0] = "i128"; |
| 1148 | break; |
| 1149 | case 0x8086: |
| 1150 | switch (dev->device_id) |
| 1151 | { |
| 1152 | /* Intel i740 */ |
| 1153 | case 0x00d1: |
| 1154 | case 0x7800: |
| 1155 | driverList[0] = "i740"; |
| 1156 | break; |
| 1157 | /* GMA500/Poulsbo */ |
| 1158 | case 0x8108: |
| 1159 | case 0x8109: |
| 1160 | /* Try psb driver on Poulsbo - if available */ |
| 1161 | driverList[0] = "psb"; |
| 1162 | driverList[1] = "psb_drv"; |
| 1163 | break; |
| 1164 | /* GMA600/Oaktrail */ |
| 1165 | case 0x4100: |
| 1166 | case 0x4101: |
| 1167 | case 0x4102: |
| 1168 | case 0x4103: |
| 1169 | case 0x4104: |
| 1170 | case 0x4105: |
| 1171 | case 0x4106: |
| 1172 | case 0x4107: |
| 1173 | /* Atom E620/Oaktrail */ |
| 1174 | case 0x4108: |
| 1175 | /* Medfield */ |
| 1176 | case 0x0130: |
| 1177 | case 0x0131: |
| 1178 | case 0x0132: |
| 1179 | case 0x0133: |
| 1180 | case 0x0134: |
| 1181 | case 0x0135: |
| 1182 | case 0x0136: |
| 1183 | case 0x0137: |
| 1184 | /* GMA 3600/CDV */ |
| 1185 | case 0x0be0: |
| 1186 | case 0x0be1: |
| 1187 | case 0x0be2: |
| 1188 | case 0x0be3: |
| 1189 | case 0x0be4: |
| 1190 | case 0x0be5: |
| 1191 | case 0x0be6: |
| 1192 | case 0x0be7: |
| 1193 | case 0x0be8: |
| 1194 | case 0x0be9: |
| 1195 | case 0x0bea: |
| 1196 | case 0x0beb: |
| 1197 | case 0x0bec: |
| 1198 | case 0x0bed: |
| 1199 | case 0x0bee: |
| 1200 | case 0x0bef: |
| 1201 | /* Use fbdev/vesa driver on Oaktrail, Medfield, CDV */ |
| 1202 | break; |
| 1203 | default: |
| 1204 | driverList[0] = "intel"; |
| 1205 | break; |
| 1206 | } |
| 1207 | break; |
| 1208 | case 0x102b: |
| 1209 | driverList[0] = "mga"; |
| 1210 | break; |
| 1211 | case 0x10c8: |
| 1212 | driverList[0] = "neomagic"; |
| 1213 | break; |
| 1214 | case 0x10de: |
| 1215 | case 0x12d2: |
| 1216 | { |
| 1217 | int idx = 0; |
| 1218 | |
| 1219 | #ifdef __linux__ |
| 1220 | driverList[idx++] = "nouveau"; |
| 1221 | #endif |
| 1222 | driverList[idx++] = "nv"; |
| 1223 | break; |
| 1224 | } |
| 1225 | case 0x1106: |
| 1226 | driverList[0] = "openchrome"; |
| 1227 | break; |
| 1228 | case 0x1b36: |
| 1229 | driverList[0] = "qxl"; |
| 1230 | break; |
| 1231 | case 0x1163: |
| 1232 | driverList[0] = "rendition"; |
| 1233 | break; |
| 1234 | case 0x5333: |
| 1235 | switch (dev->device_id) { |
| 1236 | case 0x88d0: |
| 1237 | case 0x88d1: |
| 1238 | case 0x88f0: |
| 1239 | case 0x8811: |
| 1240 | case 0x8812: |
| 1241 | case 0x8814: |
| 1242 | case 0x8901: |
| 1243 | driverList[0] = "s3"; |
| 1244 | break; |
| 1245 | case 0x5631: |
| 1246 | case 0x883d: |
| 1247 | case 0x8a01: |
| 1248 | case 0x8a10: |
| 1249 | case 0x8c01: |
| 1250 | case 0x8c03: |
| 1251 | case 0x8904: |
| 1252 | case 0x8a13: |
| 1253 | driverList[0] = "s3virge"; |
| 1254 | break; |
| 1255 | default: |
| 1256 | driverList[0] = "savage"; |
| 1257 | break; |
| 1258 | } |
| 1259 | break; |
| 1260 | case 0x1039: |
| 1261 | driverList[0] = "sis"; |
| 1262 | break; |
| 1263 | case 0x126f: |
| 1264 | driverList[0] = "siliconmotion"; |
| 1265 | break; |
| 1266 | case 0x121a: |
| 1267 | if (dev->device_id < 0x0003) |
| 1268 | driverList[0] = "voodoo"; |
| 1269 | else |
| 1270 | driverList[0] = "tdfx"; |
| 1271 | break; |
| 1272 | case 0x1011: |
| 1273 | driverList[0] = "tga"; |
| 1274 | break; |
| 1275 | case 0x1023: |
| 1276 | driverList[0] = "trident"; |
| 1277 | break; |
| 1278 | case 0x100c: |
| 1279 | driverList[0] = "tseng"; |
| 1280 | break; |
| 1281 | case 0x80ee: |
| 1282 | driverList[0] = "vboxvideo"; |
| 1283 | break; |
| 1284 | case 0x15ad: |
| 1285 | driverList[0] = "vmware"; |
| 1286 | break; |
| 1287 | case 0x18ca: |
| 1288 | if (dev->device_id == 0x47) |
| 1289 | driverList[0] = "xgixp"; |
| 1290 | else |
| 1291 | driverList[0] = "xgi"; |
| 1292 | break; |
| 1293 | default: |
| 1294 | break; |
| 1295 | } |
| 1296 | for (i = 0; (i < returnListMax) && (driverList[i] != NULL); i++) { |
| 1297 | returnList[i] = xnfstrdup(driverList[i]); |
| 1298 | } |
| 1299 | return i; /* Number of entries added */ |
| 1300 | } |
| 1301 | |
| 1302 | #ifdef __linux__ |
| 1303 | static int |
| 1304 | xchomp(char *line) |
| 1305 | { |
| 1306 | size_t len = 0; |
| 1307 | |
| 1308 | if (!line) { |
| 1309 | return 1; |
| 1310 | } |
| 1311 | |
| 1312 | len = strlen(line); |
| 1313 | if (line[len - 1] == '\n' && len > 0) { |
| 1314 | line[len - 1] = '\0'; |
| 1315 | } |
| 1316 | return 0; |
| 1317 | } |
| 1318 | |
| 1319 | /* This function is used to provide a workaround for binary drivers that |
| 1320 | * don't export their PCI ID's properly. If distros don't end up using this |
| 1321 | * feature it can and should be removed because the symbol-based resolution |
| 1322 | * scheme should be the primary one */ |
| 1323 | void |
| 1324 | xf86MatchDriverFromFiles(char **matches, uint16_t match_vendor, uint16_t match_chip) |
| 1325 | { |
| 1326 | DIR *idsdir; |
| 1327 | FILE *fp; |
| 1328 | struct dirent *direntry; |
| 1329 | char *line = NULL; |
| 1330 | size_t len; |
| 1331 | ssize_t read; |
| 1332 | char path_name[256], vendor_str[5], chip_str[5]; |
| 1333 | uint16_t vendor, chip; |
| 1334 | int i, j; |
| 1335 | |
| 1336 | idsdir = opendir(PCI_TXT_IDS_PATH); |
| 1337 | if (!idsdir) |
| 1338 | return; |
| 1339 | |
| 1340 | xf86Msg(X_INFO, |
| 1341 | "Scanning %s directory for additional PCI ID's supported by the drivers\n", |
| 1342 | PCI_TXT_IDS_PATH); |
| 1343 | direntry = readdir(idsdir); |
| 1344 | /* Read the directory */ |
| 1345 | while (direntry) { |
| 1346 | if (direntry->d_name[0] == '.') { |
| 1347 | direntry = readdir(idsdir); |
| 1348 | continue; |
| 1349 | } |
| 1350 | len = strlen(direntry->d_name); |
| 1351 | /* A tiny bit of sanity checking. We should probably do better */ |
| 1352 | if (strncmp(&(direntry->d_name[len - 4]), ".ids", 4) == 0) { |
| 1353 | /* We need the full path name to open the file */ |
| 1354 | snprintf(path_name, sizeof(path_name), "%s/%s", |
| 1355 | PCI_TXT_IDS_PATH, direntry->d_name); |
| 1356 | fp = fopen(path_name, "r"); |
| 1357 | if (fp == NULL) { |
| 1358 | xf86Msg(X_ERROR, "Could not open %s for reading. Exiting.\n", |
| 1359 | path_name); |
| 1360 | goto end; |
| 1361 | } |
| 1362 | /* Read the file */ |
| 1363 | #ifdef __GLIBC__ |
| 1364 | while ((read = getline(&line, &len, fp)) != -1) { |
| 1365 | #else |
| 1366 | while ((line = fgetln(fp, &len)) != (char *) NULL) { |
| 1367 | #endif /* __GLIBC __ */ |
| 1368 | xchomp(line); |
| 1369 | if (isdigit(line[0])) { |
| 1370 | strlcpy(vendor_str, line, sizeof(vendor_str)); |
| 1371 | vendor = (int) strtol(vendor_str, NULL, 16); |
| 1372 | if ((strlen(&line[4])) == 0) { |
| 1373 | chip_str[0] = '\0'; |
| 1374 | chip = -1; |
| 1375 | } |
| 1376 | else { |
| 1377 | /* Handle trailing whitespace */ |
| 1378 | if (isspace(line[4])) { |
| 1379 | chip_str[0] = '\0'; |
| 1380 | chip = -1; |
| 1381 | } |
| 1382 | else { |
| 1383 | /* Ok, it's a real ID */ |
| 1384 | strlcpy(chip_str, &line[4], sizeof(chip_str)); |
| 1385 | chip = (int) strtol(chip_str, NULL, 16); |
| 1386 | } |
| 1387 | } |
| 1388 | if (vendor == match_vendor && chip == match_chip) { |
| 1389 | i = 0; |
| 1390 | while (matches[i]) { |
| 1391 | i++; |
| 1392 | } |
| 1393 | matches[i] = |
| 1394 | (char *) malloc(sizeof(char) * |
| 1395 | strlen(direntry->d_name) - 3); |
| 1396 | if (!matches[i]) { |
| 1397 | xf86Msg(X_ERROR, |
| 1398 | "Could not allocate space for the module name. Exiting.\n"); |
| 1399 | goto end; |
| 1400 | } |
| 1401 | /* hack off the .ids suffix. This should guard |
| 1402 | * against other problems, but it will end up |
| 1403 | * taking off anything after the first '.' */ |
| 1404 | for (j = 0; j < (strlen(direntry->d_name) - 3); j++) { |
| 1405 | if (direntry->d_name[j] == '.') { |
| 1406 | matches[i][j] = '\0'; |
| 1407 | break; |
| 1408 | } |
| 1409 | else { |
| 1410 | matches[i][j] = direntry->d_name[j]; |
| 1411 | } |
| 1412 | } |
| 1413 | xf86Msg(X_INFO, "Matched %s from file name %s\n", |
| 1414 | matches[i], direntry->d_name); |
| 1415 | } |
| 1416 | } |
| 1417 | else { |
| 1418 | /* TODO Handle driver overrides here */ |
| 1419 | } |
| 1420 | } |
| 1421 | fclose(fp); |
| 1422 | } |
| 1423 | direntry = readdir(idsdir); |
| 1424 | } |
| 1425 | end: |
| 1426 | free(line); |
| 1427 | closedir(idsdir); |
| 1428 | } |
| 1429 | #endif /* __linux__ */ |
| 1430 | |
| 1431 | /** |
| 1432 | * @return The numbers of found devices that match with the current system |
| 1433 | * drivers. |
| 1434 | */ |
| 1435 | int |
| 1436 | xf86PciMatchDriver(char *matches[], int nmatches) |
| 1437 | { |
| 1438 | int i; |
| 1439 | struct pci_device *info = NULL; |
| 1440 | struct pci_device_iterator *iter; |
| 1441 | |
| 1442 | /* Find the primary device, and get some information about it. */ |
| 1443 | iter = pci_slot_match_iterator_create(NULL); |
| 1444 | while ((info = pci_device_next(iter)) != NULL) { |
| 1445 | if (xf86IsPrimaryPci(info)) { |
| 1446 | break; |
| 1447 | } |
| 1448 | } |
| 1449 | |
| 1450 | pci_iterator_destroy(iter); |
| 1451 | #ifdef __linux__ |
| 1452 | if (info) |
| 1453 | xf86MatchDriverFromFiles(matches, info->vendor_id, info->device_id); |
| 1454 | #endif |
| 1455 | |
| 1456 | for (i = 0; (i < nmatches) && (matches[i]); i++) { |
| 1457 | /* find end of matches list */ |
| 1458 | } |
| 1459 | |
| 1460 | if ((info != NULL) && (i < nmatches)) { |
| 1461 | i += xf86VideoPtrToDriverList(info, &(matches[i]), nmatches - i); |
| 1462 | } |
| 1463 | |
| 1464 | return i; |
| 1465 | } |
| 1466 | |
| 1467 | Bool |
| 1468 | xf86PciConfigure(void *busData, struct pci_device *pDev) |
| 1469 | { |
| 1470 | struct pci_device *pVideo = NULL; |
| 1471 | |
| 1472 | pVideo = (struct pci_device *) busData; |
| 1473 | if (pDev && |
| 1474 | (pDev->domain == pVideo->domain) && |
| 1475 | (pDev->bus == pVideo->bus) && |
| 1476 | (pDev->dev == pVideo->dev) && (pDev->func == pVideo->func)) |
| 1477 | return 0; |
| 1478 | |
| 1479 | return 1; |
| 1480 | } |
| 1481 | |
| 1482 | void |
| 1483 | xf86PciConfigureNewDev(void *busData, struct pci_device *pVideo, |
| 1484 | GDevRec * GDev, int *chipset) |
| 1485 | { |
| 1486 | char busnum[8]; |
| 1487 | |
| 1488 | pVideo = (struct pci_device *) busData; |
| 1489 | |
| 1490 | if (pVideo->bus < 256) |
| 1491 | snprintf(busnum, sizeof(busnum), "%d", pVideo->bus); |
| 1492 | else |
| 1493 | snprintf(busnum, sizeof(busnum), "%d@%d", |
| 1494 | pVideo->bus & 0x00ff, pVideo->bus >> 8); |
| 1495 | |
| 1496 | XNFasprintf(&GDev->busID, "PCI:%s:%d:%d", |
| 1497 | busnum, pVideo->dev, pVideo->func); |
| 1498 | |
| 1499 | GDev->chipID = pVideo->device_id; |
| 1500 | GDev->chipRev = pVideo->revision; |
| 1501 | |
| 1502 | if (*chipset < 0) |
| 1503 | *chipset = (pVideo->vendor_id << 16) | pVideo->device_id; |
| 1504 | } |
| 1505 | |
| 1506 | struct pci_io_handle * |
| 1507 | xf86MapLegacyIO(struct pci_device *dev) |
| 1508 | { |
| 1509 | return pci_legacy_open_io(dev, 0, 64 * 1024); |
| 1510 | } |
| 1511 | |
| 1512 | void |
| 1513 | xf86UnmapLegacyIO(struct pci_device *dev, struct pci_io_handle *handle) |
| 1514 | { |
| 1515 | pci_device_close_io(dev, handle); |
| 1516 | } |