| 1 | /* $NetBSD: nouveau_subdev_bios_base.c,v 1.3 2015/10/27 13:13:47 riastradh Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright 2012 Red Hat Inc. |
| 5 | * |
| 6 | * Permission is hereby granted, free of charge, to any person obtaining a |
| 7 | * copy of this software and associated documentation files (the "Software"), |
| 8 | * to deal in the Software without restriction, including without limitation |
| 9 | * the rights to use, copy, modify, merge, publish, distribute, sublicense, |
| 10 | * and/or sell copies of the Software, and to permit persons to whom the |
| 11 | * Software is furnished to do so, subject to the following conditions: |
| 12 | * |
| 13 | * The above copyright notice and this permission notice shall be included in |
| 14 | * all copies or substantial portions of the Software. |
| 15 | * |
| 16 | * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR |
| 17 | * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, |
| 18 | * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL |
| 19 | * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR |
| 20 | * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, |
| 21 | * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR |
| 22 | * OTHER DEALINGS IN THE SOFTWARE. |
| 23 | * |
| 24 | * Authors: Ben Skeggs |
| 25 | */ |
| 26 | |
| 27 | #include <sys/cdefs.h> |
| 28 | __KERNEL_RCSID(0, "$NetBSD: nouveau_subdev_bios_base.c,v 1.3 2015/10/27 13:13:47 riastradh Exp $" ); |
| 29 | |
| 30 | #include <core/object.h> |
| 31 | #include <core/device.h> |
| 32 | #include <core/subdev.h> |
| 33 | #include <core/option.h> |
| 34 | |
| 35 | #include <subdev/bios.h> |
| 36 | #include <subdev/bios/bmp.h> |
| 37 | #include <subdev/bios/bit.h> |
| 38 | |
| 39 | u8 |
| 40 | nvbios_checksum(const u8 *data, int size) |
| 41 | { |
| 42 | u8 sum = 0; |
| 43 | while (size--) |
| 44 | sum += *data++; |
| 45 | return sum; |
| 46 | } |
| 47 | |
| 48 | u16 |
| 49 | nvbios_findstr(const u8 *data, int size, const char *str, int len) |
| 50 | { |
| 51 | int i, j; |
| 52 | |
| 53 | for (i = 0; i <= (size - len); i++) { |
| 54 | for (j = 0; j < len; j++) |
| 55 | if ((char)data[i + j] != str[j]) |
| 56 | break; |
| 57 | if (j == len) |
| 58 | return i; |
| 59 | } |
| 60 | |
| 61 | return 0; |
| 62 | } |
| 63 | |
| 64 | #if defined(__powerpc__) |
| 65 | static void |
| 66 | nouveau_bios_shadow_of(struct nouveau_bios *bios) |
| 67 | { |
| 68 | struct pci_dev *pdev = nv_device(bios)->pdev; |
| 69 | struct device_node *dn; |
| 70 | const u32 *data; |
| 71 | int size; |
| 72 | |
| 73 | dn = pci_device_to_OF_node(pdev); |
| 74 | if (!dn) { |
| 75 | nv_info(bios, "Unable to get the OF node\n" ); |
| 76 | return; |
| 77 | } |
| 78 | |
| 79 | data = of_get_property(dn, "NVDA,BMP" , &size); |
| 80 | if (data && size) { |
| 81 | bios->size = size; |
| 82 | bios->data = kmalloc(bios->size, GFP_KERNEL); |
| 83 | if (bios->data) |
| 84 | memcpy(bios->data, data, size); |
| 85 | } |
| 86 | } |
| 87 | #endif |
| 88 | |
| 89 | static void |
| 90 | nouveau_bios_shadow_pramin(struct nouveau_bios *bios) |
| 91 | { |
| 92 | struct nouveau_device *device = nv_device(bios); |
| 93 | u64 addr = 0; |
| 94 | u32 bar0 = 0; |
| 95 | int i; |
| 96 | |
| 97 | if (device->card_type >= NV_50) { |
| 98 | if (device->card_type >= NV_C0 && device->card_type < GM100) { |
| 99 | if (nv_rd32(bios, 0x022500) & 0x00000001) |
| 100 | return; |
| 101 | } else |
| 102 | if (device->card_type >= GM100) { |
| 103 | if (nv_rd32(bios, 0x021c04) & 0x00000001) |
| 104 | return; |
| 105 | } |
| 106 | |
| 107 | addr = nv_rd32(bios, 0x619f04); |
| 108 | if (!(addr & 0x00000008)) { |
| 109 | nv_debug(bios, "... not enabled\n" ); |
| 110 | return; |
| 111 | } |
| 112 | if ( (addr & 0x00000003) != 1) { |
| 113 | nv_debug(bios, "... not in vram\n" ); |
| 114 | return; |
| 115 | } |
| 116 | |
| 117 | addr = (addr & 0xffffff00) << 8; |
| 118 | if (!addr) { |
| 119 | addr = (u64)nv_rd32(bios, 0x001700) << 16; |
| 120 | addr += 0xf0000; |
| 121 | } |
| 122 | |
| 123 | bar0 = nv_mask(bios, 0x001700, 0xffffffff, addr >> 16); |
| 124 | } |
| 125 | |
| 126 | /* bail if no rom signature */ |
| 127 | if (nv_rd08(bios, 0x700000) != 0x55 || |
| 128 | nv_rd08(bios, 0x700001) != 0xaa) |
| 129 | goto out; |
| 130 | |
| 131 | bios->size = nv_rd08(bios, 0x700002) * 512; |
| 132 | if (!bios->size) |
| 133 | goto out; |
| 134 | |
| 135 | bios->data = kmalloc(bios->size, GFP_KERNEL); |
| 136 | if (bios->data) { |
| 137 | for (i = 0; i < bios->size; i++) |
| 138 | nv_wo08(bios, i, nv_rd08(bios, 0x700000 + i)); |
| 139 | } |
| 140 | |
| 141 | out: |
| 142 | if (device->card_type >= NV_50) |
| 143 | nv_wr32(bios, 0x001700, bar0); |
| 144 | } |
| 145 | |
| 146 | static void |
| 147 | nouveau_bios_shadow_prom(struct nouveau_bios *bios) |
| 148 | { |
| 149 | struct nouveau_device *device = nv_device(bios); |
| 150 | u32 pcireg, access; |
| 151 | u16 pcir; |
| 152 | int i; |
| 153 | |
| 154 | /* there is no prom on nv4x IGP's */ |
| 155 | if (device->card_type == NV_40 && device->chipset >= 0x4c) |
| 156 | return; |
| 157 | |
| 158 | /* enable access to rom */ |
| 159 | if (device->card_type >= NV_50) |
| 160 | pcireg = 0x088050; |
| 161 | else |
| 162 | pcireg = 0x001850; |
| 163 | access = nv_mask(bios, pcireg, 0x00000001, 0x00000000); |
| 164 | |
| 165 | /* WARNING: PROM accesses should always be 32-bits aligned. Other |
| 166 | * accesses work on most chipset but do not on Kepler chipsets |
| 167 | */ |
| 168 | |
| 169 | /* bail if no rom signature, with a workaround for a PROM reading |
| 170 | * issue on some chipsets. the first read after a period of |
| 171 | * inactivity returns the wrong result, so retry the first header |
| 172 | * byte a few times before giving up as a workaround |
| 173 | */ |
| 174 | i = 16; |
| 175 | do { |
| 176 | u32 data = le32_to_cpu(nv_rd32(bios, 0x300000)) & 0xffff; |
| 177 | if (data == 0xaa55) |
| 178 | break; |
| 179 | } while (i--); |
| 180 | |
| 181 | if (!i) |
| 182 | goto out; |
| 183 | |
| 184 | /* read entire bios image to system memory */ |
| 185 | bios->size = (le32_to_cpu(nv_rd32(bios, 0x300000)) >> 16) & 0xff; |
| 186 | bios->size = bios->size * 512; |
| 187 | if (!bios->size) |
| 188 | goto out; |
| 189 | |
| 190 | bios->data = kmalloc(bios->size, GFP_KERNEL); |
| 191 | if (bios->data) { |
| 192 | for (i = 0; i < bios->size; i += 4) |
| 193 | ((u32 *)bios->data)[i/4] = nv_rd32(bios, 0x300000 + i); |
| 194 | } |
| 195 | |
| 196 | /* check the PCI record header */ |
| 197 | pcir = nv_ro16(bios, 0x0018); |
| 198 | if (bios->data[pcir + 0] != 'P' || |
| 199 | bios->data[pcir + 1] != 'C' || |
| 200 | bios->data[pcir + 2] != 'I' || |
| 201 | bios->data[pcir + 3] != 'R') { |
| 202 | bios->size = 0; |
| 203 | kfree(bios->data); |
| 204 | } |
| 205 | |
| 206 | out: |
| 207 | /* disable access to rom */ |
| 208 | nv_wr32(bios, pcireg, access); |
| 209 | } |
| 210 | |
| 211 | #if defined(CONFIG_ACPI) && defined(CONFIG_X86) |
| 212 | int nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len); |
| 213 | bool nouveau_acpi_rom_supported(struct pci_dev *pdev); |
| 214 | #else |
| 215 | static inline bool |
| 216 | nouveau_acpi_rom_supported(struct pci_dev *pdev) { |
| 217 | return false; |
| 218 | } |
| 219 | |
| 220 | static inline int |
| 221 | nouveau_acpi_get_bios_chunk(uint8_t *bios, int offset, int len) { |
| 222 | return -EINVAL; |
| 223 | } |
| 224 | #endif |
| 225 | |
| 226 | static void |
| 227 | nouveau_bios_shadow_acpi(struct nouveau_bios *bios) |
| 228 | { |
| 229 | struct pci_dev *pdev = nv_device(bios)->pdev; |
| 230 | int ret, cnt, i; |
| 231 | |
| 232 | if (!nouveau_acpi_rom_supported(pdev)) { |
| 233 | bios->data = NULL; |
| 234 | return; |
| 235 | } |
| 236 | |
| 237 | bios->size = 0; |
| 238 | bios->data = kmalloc(4096, GFP_KERNEL); |
| 239 | if (bios->data) { |
| 240 | if (nouveau_acpi_get_bios_chunk(bios->data, 0, 4096) == 4096) |
| 241 | bios->size = bios->data[2] * 512; |
| 242 | kfree(bios->data); |
| 243 | } |
| 244 | |
| 245 | if (!bios->size) |
| 246 | return; |
| 247 | |
| 248 | bios->data = kmalloc(bios->size, GFP_KERNEL); |
| 249 | if (bios->data) { |
| 250 | /* disobey the acpi spec - much faster on at least w530 ... */ |
| 251 | ret = nouveau_acpi_get_bios_chunk(bios->data, 0, bios->size); |
| 252 | if (ret != bios->size || |
| 253 | nvbios_checksum(bios->data, bios->size)) { |
| 254 | /* ... that didn't work, ok, i'll be good now */ |
| 255 | for (i = 0; i < bios->size; i += cnt) { |
| 256 | cnt = min((bios->size - i), (u32)4096); |
| 257 | ret = nouveau_acpi_get_bios_chunk(bios->data, i, cnt); |
| 258 | if (ret != cnt) |
| 259 | break; |
| 260 | } |
| 261 | } |
| 262 | } |
| 263 | } |
| 264 | |
| 265 | #ifdef __NetBSD__ |
| 266 | # define __iomem __pci_rom_iomem |
| 267 | #endif |
| 268 | |
| 269 | static void |
| 270 | nouveau_bios_shadow_pci(struct nouveau_bios *bios) |
| 271 | { |
| 272 | struct pci_dev *pdev = nv_device(bios)->pdev; |
| 273 | size_t size; |
| 274 | |
| 275 | if (!pci_enable_rom(pdev)) { |
| 276 | void __iomem *rom = pci_map_rom(pdev, &size); |
| 277 | if (rom && size) { |
| 278 | bios->data = kmalloc(size, GFP_KERNEL); |
| 279 | if (bios->data) { |
| 280 | memcpy_fromio(bios->data, rom, size); |
| 281 | bios->size = size; |
| 282 | } |
| 283 | } |
| 284 | if (rom) |
| 285 | pci_unmap_rom(pdev, rom); |
| 286 | |
| 287 | pci_disable_rom(pdev); |
| 288 | } |
| 289 | } |
| 290 | |
| 291 | static void |
| 292 | nouveau_bios_shadow_platform(struct nouveau_bios *bios) |
| 293 | { |
| 294 | struct pci_dev *pdev = nv_device(bios)->pdev; |
| 295 | size_t size; |
| 296 | |
| 297 | void __iomem *rom = pci_platform_rom(pdev, &size); |
| 298 | if (rom && size) { |
| 299 | bios->data = kmalloc(size, GFP_KERNEL); |
| 300 | if (bios->data) { |
| 301 | memcpy_fromio(bios->data, rom, size); |
| 302 | bios->size = size; |
| 303 | } |
| 304 | } |
| 305 | } |
| 306 | |
| 307 | #ifdef __NetBSD__ |
| 308 | # undef __iomem |
| 309 | #endif |
| 310 | |
| 311 | static int |
| 312 | nouveau_bios_score(struct nouveau_bios *bios, const bool writeable) |
| 313 | { |
| 314 | if (bios->size < 3 || !bios->data || bios->data[0] != 0x55 || |
| 315 | bios->data[1] != 0xAA) { |
| 316 | nv_info(bios, "... signature not found\n" ); |
| 317 | return 0; |
| 318 | } |
| 319 | |
| 320 | if (nvbios_checksum(bios->data, |
| 321 | min_t(u32, bios->data[2] * 512, bios->size))) { |
| 322 | nv_info(bios, "... checksum invalid\n" ); |
| 323 | /* if a ro image is somewhat bad, it's probably all rubbish */ |
| 324 | return writeable ? 2 : 1; |
| 325 | } |
| 326 | |
| 327 | nv_info(bios, "... appears to be valid\n" ); |
| 328 | return 3; |
| 329 | } |
| 330 | |
| 331 | struct methods { |
| 332 | const char desc[16]; |
| 333 | void (*shadow)(struct nouveau_bios *); |
| 334 | const bool rw; |
| 335 | int score; |
| 336 | u32 size; |
| 337 | u8 *data; |
| 338 | }; |
| 339 | |
| 340 | static int |
| 341 | nouveau_bios_shadow(struct nouveau_bios *bios) |
| 342 | { |
| 343 | struct methods shadow_methods[] = { |
| 344 | #if defined(__powerpc__) |
| 345 | { "OpenFirmware" , nouveau_bios_shadow_of, true, 0, 0, NULL }, |
| 346 | #endif |
| 347 | { "PRAMIN" , nouveau_bios_shadow_pramin, true, 0, 0, NULL }, |
| 348 | { "PROM" , nouveau_bios_shadow_prom, false, 0, 0, NULL }, |
| 349 | { "ACPI" , nouveau_bios_shadow_acpi, true, 0, 0, NULL }, |
| 350 | { "PCIROM" , nouveau_bios_shadow_pci, true, 0, 0, NULL }, |
| 351 | { "PLATFORM" , nouveau_bios_shadow_platform, true, 0, 0, NULL }, |
| 352 | {} |
| 353 | }; |
| 354 | struct methods *mthd, *best; |
| 355 | const struct firmware *fw; |
| 356 | const char *optarg; |
| 357 | int optlen, ret; |
| 358 | char *source; |
| 359 | |
| 360 | optarg = nouveau_stropt(nv_device(bios)->cfgopt, "NvBios" , &optlen); |
| 361 | source = optarg ? kstrndup(optarg, optlen, GFP_KERNEL) : NULL; |
| 362 | if (source) { |
| 363 | /* try to match one of the built-in methods */ |
| 364 | mthd = shadow_methods; |
| 365 | do { |
| 366 | if (strcasecmp(source, mthd->desc)) |
| 367 | continue; |
| 368 | nv_info(bios, "source: %s\n" , mthd->desc); |
| 369 | |
| 370 | mthd->shadow(bios); |
| 371 | mthd->score = nouveau_bios_score(bios, mthd->rw); |
| 372 | if (mthd->score) { |
| 373 | kfree(source); |
| 374 | return 0; |
| 375 | } |
| 376 | } while ((++mthd)->shadow); |
| 377 | |
| 378 | /* attempt to load firmware image */ |
| 379 | ret = request_firmware(&fw, source, |
| 380 | nv_device_base(nv_device(bios))); |
| 381 | if (ret == 0) { |
| 382 | bios->size = fw->size; |
| 383 | bios->data = kmemdup(fw->data, fw->size, GFP_KERNEL); |
| 384 | release_firmware(fw); |
| 385 | |
| 386 | nv_info(bios, "image: %s\n" , source); |
| 387 | if (nouveau_bios_score(bios, 1)) { |
| 388 | kfree(source); |
| 389 | return 0; |
| 390 | } |
| 391 | |
| 392 | kfree(bios->data); |
| 393 | bios->data = NULL; |
| 394 | } |
| 395 | |
| 396 | nv_error(bios, "source \'%s\' invalid\n" , source); |
| 397 | kfree(source); |
| 398 | } |
| 399 | |
| 400 | mthd = shadow_methods; |
| 401 | do { |
| 402 | nv_info(bios, "checking %s for image...\n" , mthd->desc); |
| 403 | mthd->shadow(bios); |
| 404 | mthd->score = nouveau_bios_score(bios, mthd->rw); |
| 405 | mthd->size = bios->size; |
| 406 | mthd->data = bios->data; |
| 407 | bios->data = NULL; |
| 408 | } while (mthd->score != 3 && (++mthd)->shadow); |
| 409 | |
| 410 | mthd = shadow_methods; |
| 411 | best = mthd; |
| 412 | do { |
| 413 | if (mthd->score > best->score) { |
| 414 | kfree(best->data); |
| 415 | best = mthd; |
| 416 | } |
| 417 | } while ((++mthd)->shadow); |
| 418 | |
| 419 | if (best->score) { |
| 420 | nv_info(bios, "using image from %s\n" , best->desc); |
| 421 | bios->size = best->size; |
| 422 | bios->data = best->data; |
| 423 | return 0; |
| 424 | } |
| 425 | |
| 426 | nv_error(bios, "unable to locate usable image\n" ); |
| 427 | return -EINVAL; |
| 428 | } |
| 429 | |
| 430 | static u8 |
| 431 | nouveau_bios_rd08(struct nouveau_object *object, u64 addr) |
| 432 | { |
| 433 | struct nouveau_bios *bios = (void *)object; |
| 434 | return bios->data[addr]; |
| 435 | } |
| 436 | |
| 437 | static u16 |
| 438 | nouveau_bios_rd16(struct nouveau_object *object, u64 addr) |
| 439 | { |
| 440 | struct nouveau_bios *bios = (void *)object; |
| 441 | return get_unaligned_le16(&bios->data[addr]); |
| 442 | } |
| 443 | |
| 444 | static u32 |
| 445 | nouveau_bios_rd32(struct nouveau_object *object, u64 addr) |
| 446 | { |
| 447 | struct nouveau_bios *bios = (void *)object; |
| 448 | return get_unaligned_le32(&bios->data[addr]); |
| 449 | } |
| 450 | |
| 451 | static void |
| 452 | nouveau_bios_wr08(struct nouveau_object *object, u64 addr, u8 data) |
| 453 | { |
| 454 | struct nouveau_bios *bios = (void *)object; |
| 455 | bios->data[addr] = data; |
| 456 | } |
| 457 | |
| 458 | static void |
| 459 | nouveau_bios_wr16(struct nouveau_object *object, u64 addr, u16 data) |
| 460 | { |
| 461 | struct nouveau_bios *bios = (void *)object; |
| 462 | put_unaligned_le16(data, &bios->data[addr]); |
| 463 | } |
| 464 | |
| 465 | static void |
| 466 | nouveau_bios_wr32(struct nouveau_object *object, u64 addr, u32 data) |
| 467 | { |
| 468 | struct nouveau_bios *bios = (void *)object; |
| 469 | put_unaligned_le32(data, &bios->data[addr]); |
| 470 | } |
| 471 | |
| 472 | static int |
| 473 | nouveau_bios_ctor(struct nouveau_object *parent, |
| 474 | struct nouveau_object *engine, |
| 475 | struct nouveau_oclass *oclass, void *data, u32 size, |
| 476 | struct nouveau_object **pobject) |
| 477 | { |
| 478 | struct nouveau_bios *bios; |
| 479 | struct bit_entry bit_i; |
| 480 | int ret; |
| 481 | |
| 482 | ret = nouveau_subdev_create(parent, engine, oclass, 0, |
| 483 | "VBIOS" , "bios" , &bios); |
| 484 | *pobject = nv_object(bios); |
| 485 | if (ret) |
| 486 | return ret; |
| 487 | |
| 488 | ret = nouveau_bios_shadow(bios); |
| 489 | if (ret) |
| 490 | return ret; |
| 491 | |
| 492 | /* detect type of vbios we're dealing with */ |
| 493 | bios->bmp_offset = nvbios_findstr(bios->data, bios->size, |
| 494 | "\xff\x7f" "NV\0" , 5); |
| 495 | if (bios->bmp_offset) { |
| 496 | nv_info(bios, "BMP version %x.%x\n" , |
| 497 | bmp_version(bios) >> 8, |
| 498 | bmp_version(bios) & 0xff); |
| 499 | } |
| 500 | |
| 501 | bios->bit_offset = nvbios_findstr(bios->data, bios->size, |
| 502 | "\xff\xb8" "BIT" , 5); |
| 503 | if (bios->bit_offset) |
| 504 | nv_info(bios, "BIT signature found\n" ); |
| 505 | |
| 506 | /* determine the vbios version number */ |
| 507 | if (!bit_entry(bios, 'i', &bit_i) && bit_i.length >= 4) { |
| 508 | bios->version.major = nv_ro08(bios, bit_i.offset + 3); |
| 509 | bios->version.chip = nv_ro08(bios, bit_i.offset + 2); |
| 510 | bios->version.minor = nv_ro08(bios, bit_i.offset + 1); |
| 511 | bios->version.micro = nv_ro08(bios, bit_i.offset + 0); |
| 512 | bios->version.patch = nv_ro08(bios, bit_i.offset + 4); |
| 513 | } else |
| 514 | if (bmp_version(bios)) { |
| 515 | bios->version.major = nv_ro08(bios, bios->bmp_offset + 13); |
| 516 | bios->version.chip = nv_ro08(bios, bios->bmp_offset + 12); |
| 517 | bios->version.minor = nv_ro08(bios, bios->bmp_offset + 11); |
| 518 | bios->version.micro = nv_ro08(bios, bios->bmp_offset + 10); |
| 519 | } |
| 520 | |
| 521 | nv_info(bios, "version %02x.%02x.%02x.%02x.%02x\n" , |
| 522 | bios->version.major, bios->version.chip, |
| 523 | bios->version.minor, bios->version.micro, bios->version.patch); |
| 524 | |
| 525 | return 0; |
| 526 | } |
| 527 | |
| 528 | static void |
| 529 | nouveau_bios_dtor(struct nouveau_object *object) |
| 530 | { |
| 531 | struct nouveau_bios *bios = (void *)object; |
| 532 | kfree(bios->data); |
| 533 | nouveau_subdev_destroy(&bios->base); |
| 534 | } |
| 535 | |
| 536 | static int |
| 537 | nouveau_bios_init(struct nouveau_object *object) |
| 538 | { |
| 539 | struct nouveau_bios *bios = (void *)object; |
| 540 | return nouveau_subdev_init(&bios->base); |
| 541 | } |
| 542 | |
| 543 | static int |
| 544 | nouveau_bios_fini(struct nouveau_object *object, bool suspend) |
| 545 | { |
| 546 | struct nouveau_bios *bios = (void *)object; |
| 547 | return nouveau_subdev_fini(&bios->base, suspend); |
| 548 | } |
| 549 | |
| 550 | struct nouveau_oclass |
| 551 | nouveau_bios_oclass = { |
| 552 | .handle = NV_SUBDEV(VBIOS, 0x00), |
| 553 | .ofuncs = &(struct nouveau_ofuncs) { |
| 554 | .ctor = nouveau_bios_ctor, |
| 555 | .dtor = nouveau_bios_dtor, |
| 556 | .init = nouveau_bios_init, |
| 557 | .fini = nouveau_bios_fini, |
| 558 | .rd08 = nouveau_bios_rd08, |
| 559 | .rd16 = nouveau_bios_rd16, |
| 560 | .rd32 = nouveau_bios_rd32, |
| 561 | .wr08 = nouveau_bios_wr08, |
| 562 | .wr16 = nouveau_bios_wr16, |
| 563 | .wr32 = nouveau_bios_wr32, |
| 564 | }, |
| 565 | }; |
| 566 | |