amdgpu_cgs.c revision 1.2
1 /* $NetBSD: amdgpu_cgs.c,v 1.2 2018/08/27 04:58:19 riastradh Exp $ */ 2 3 /* 4 * Copyright 2015 Advanced Micro Devices, 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 * 25 */ 26 #include <sys/cdefs.h> 27 __KERNEL_RCSID(0, "$NetBSD: amdgpu_cgs.c,v 1.2 2018/08/27 04:58:19 riastradh Exp $"); 28 29 #include <linux/list.h> 30 #include <linux/slab.h> 31 #include <linux/pci.h> 32 #include <drm/drmP.h> 33 #include <linux/firmware.h> 34 #include <drm/amdgpu_drm.h> 35 #include "amdgpu.h" 36 #include "cgs_linux.h" 37 #include "atom.h" 38 #include "amdgpu_ucode.h" 39 40 41 struct amdgpu_cgs_device { 42 struct cgs_device base; 43 struct amdgpu_device *adev; 44 }; 45 46 #define CGS_FUNC_ADEV \ 47 struct amdgpu_device *adev = \ 48 ((struct amdgpu_cgs_device *)cgs_device)->adev 49 50 static int amdgpu_cgs_gpu_mem_info(void *cgs_device, enum cgs_gpu_mem_type type, 51 uint64_t *mc_start, uint64_t *mc_size, 52 uint64_t *mem_size) 53 { 54 CGS_FUNC_ADEV; 55 switch(type) { 56 case CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB: 57 case CGS_GPU_MEM_TYPE__VISIBLE_FB: 58 *mc_start = 0; 59 *mc_size = adev->mc.visible_vram_size; 60 *mem_size = adev->mc.visible_vram_size - adev->vram_pin_size; 61 break; 62 case CGS_GPU_MEM_TYPE__INVISIBLE_CONTIG_FB: 63 case CGS_GPU_MEM_TYPE__INVISIBLE_FB: 64 *mc_start = adev->mc.visible_vram_size; 65 *mc_size = adev->mc.real_vram_size - adev->mc.visible_vram_size; 66 *mem_size = *mc_size; 67 break; 68 case CGS_GPU_MEM_TYPE__GART_CACHEABLE: 69 case CGS_GPU_MEM_TYPE__GART_WRITECOMBINE: 70 *mc_start = adev->mc.gtt_start; 71 *mc_size = adev->mc.gtt_size; 72 *mem_size = adev->mc.gtt_size - adev->gart_pin_size; 73 break; 74 default: 75 return -EINVAL; 76 } 77 78 return 0; 79 } 80 81 static int amdgpu_cgs_gmap_kmem(void *cgs_device, void *kmem, 82 uint64_t size, 83 uint64_t min_offset, uint64_t max_offset, 84 cgs_handle_t *kmem_handle, uint64_t *mcaddr) 85 { 86 CGS_FUNC_ADEV; 87 int ret; 88 struct amdgpu_bo *bo; 89 struct page *kmem_page = vmalloc_to_page(kmem); 90 int npages = ALIGN(size, PAGE_SIZE) >> PAGE_SHIFT; 91 92 struct sg_table *sg = drm_prime_pages_to_sg(&kmem_page, npages); 93 ret = amdgpu_bo_create(adev, size, PAGE_SIZE, false, 94 AMDGPU_GEM_DOMAIN_GTT, 0, sg, NULL, &bo); 95 if (ret) 96 return ret; 97 ret = amdgpu_bo_reserve(bo, false); 98 if (unlikely(ret != 0)) 99 return ret; 100 101 /* pin buffer into GTT */ 102 ret = amdgpu_bo_pin_restricted(bo, AMDGPU_GEM_DOMAIN_GTT, 103 min_offset, max_offset, mcaddr); 104 amdgpu_bo_unreserve(bo); 105 106 *kmem_handle = (cgs_handle_t)bo; 107 return ret; 108 } 109 110 static int amdgpu_cgs_gunmap_kmem(void *cgs_device, cgs_handle_t kmem_handle) 111 { 112 struct amdgpu_bo *obj = (struct amdgpu_bo *)kmem_handle; 113 114 if (obj) { 115 int r = amdgpu_bo_reserve(obj, false); 116 if (likely(r == 0)) { 117 amdgpu_bo_unpin(obj); 118 amdgpu_bo_unreserve(obj); 119 } 120 amdgpu_bo_unref(&obj); 121 122 } 123 return 0; 124 } 125 126 static int amdgpu_cgs_alloc_gpu_mem(void *cgs_device, 127 enum cgs_gpu_mem_type type, 128 uint64_t size, uint64_t align, 129 uint64_t min_offset, uint64_t max_offset, 130 cgs_handle_t *handle) 131 { 132 CGS_FUNC_ADEV; 133 uint16_t flags = 0; 134 int ret = 0; 135 uint32_t domain = 0; 136 struct amdgpu_bo *obj; 137 struct ttm_placement placement; 138 struct ttm_place place; 139 140 if (min_offset > max_offset) { 141 BUG_ON(1); 142 return -EINVAL; 143 } 144 145 /* fail if the alignment is not a power of 2 */ 146 if (((align != 1) && (align & (align - 1))) 147 || size == 0 || align == 0) 148 return -EINVAL; 149 150 151 switch(type) { 152 case CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB: 153 case CGS_GPU_MEM_TYPE__VISIBLE_FB: 154 flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED; 155 domain = AMDGPU_GEM_DOMAIN_VRAM; 156 if (max_offset > adev->mc.real_vram_size) 157 return -EINVAL; 158 place.fpfn = min_offset >> PAGE_SHIFT; 159 place.lpfn = max_offset >> PAGE_SHIFT; 160 place.flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | 161 TTM_PL_FLAG_VRAM; 162 break; 163 case CGS_GPU_MEM_TYPE__INVISIBLE_CONTIG_FB: 164 case CGS_GPU_MEM_TYPE__INVISIBLE_FB: 165 flags = AMDGPU_GEM_CREATE_NO_CPU_ACCESS; 166 domain = AMDGPU_GEM_DOMAIN_VRAM; 167 if (adev->mc.visible_vram_size < adev->mc.real_vram_size) { 168 place.fpfn = 169 max(min_offset, adev->mc.visible_vram_size) >> PAGE_SHIFT; 170 place.lpfn = 171 min(max_offset, adev->mc.real_vram_size) >> PAGE_SHIFT; 172 place.flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | 173 TTM_PL_FLAG_VRAM; 174 } 175 176 break; 177 case CGS_GPU_MEM_TYPE__GART_CACHEABLE: 178 domain = AMDGPU_GEM_DOMAIN_GTT; 179 place.fpfn = min_offset >> PAGE_SHIFT; 180 place.lpfn = max_offset >> PAGE_SHIFT; 181 place.flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_TT; 182 break; 183 case CGS_GPU_MEM_TYPE__GART_WRITECOMBINE: 184 flags = AMDGPU_GEM_CREATE_CPU_GTT_USWC; 185 domain = AMDGPU_GEM_DOMAIN_GTT; 186 place.fpfn = min_offset >> PAGE_SHIFT; 187 place.lpfn = max_offset >> PAGE_SHIFT; 188 place.flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_TT | 189 TTM_PL_FLAG_UNCACHED; 190 break; 191 default: 192 return -EINVAL; 193 } 194 195 196 *handle = 0; 197 198 placement.placement = &place; 199 placement.num_placement = 1; 200 placement.busy_placement = &place; 201 placement.num_busy_placement = 1; 202 203 ret = amdgpu_bo_create_restricted(adev, size, PAGE_SIZE, 204 true, domain, flags, 205 NULL, &placement, NULL, 206 &obj); 207 if (ret) { 208 DRM_ERROR("(%d) bo create failed\n", ret); 209 return ret; 210 } 211 *handle = (cgs_handle_t)obj; 212 213 return ret; 214 } 215 216 static int amdgpu_cgs_free_gpu_mem(void *cgs_device, cgs_handle_t handle) 217 { 218 struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; 219 220 if (obj) { 221 int r = amdgpu_bo_reserve(obj, false); 222 if (likely(r == 0)) { 223 amdgpu_bo_kunmap(obj); 224 amdgpu_bo_unpin(obj); 225 amdgpu_bo_unreserve(obj); 226 } 227 amdgpu_bo_unref(&obj); 228 229 } 230 return 0; 231 } 232 233 static int amdgpu_cgs_gmap_gpu_mem(void *cgs_device, cgs_handle_t handle, 234 uint64_t *mcaddr) 235 { 236 int r; 237 u64 min_offset, max_offset; 238 struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; 239 240 WARN_ON_ONCE(obj->placement.num_placement > 1); 241 242 min_offset = obj->placements[0].fpfn << PAGE_SHIFT; 243 max_offset = obj->placements[0].lpfn << PAGE_SHIFT; 244 245 r = amdgpu_bo_reserve(obj, false); 246 if (unlikely(r != 0)) 247 return r; 248 r = amdgpu_bo_pin_restricted(obj, AMDGPU_GEM_DOMAIN_GTT, 249 min_offset, max_offset, mcaddr); 250 amdgpu_bo_unreserve(obj); 251 return r; 252 } 253 254 static int amdgpu_cgs_gunmap_gpu_mem(void *cgs_device, cgs_handle_t handle) 255 { 256 int r; 257 struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; 258 r = amdgpu_bo_reserve(obj, false); 259 if (unlikely(r != 0)) 260 return r; 261 r = amdgpu_bo_unpin(obj); 262 amdgpu_bo_unreserve(obj); 263 return r; 264 } 265 266 static int amdgpu_cgs_kmap_gpu_mem(void *cgs_device, cgs_handle_t handle, 267 void **map) 268 { 269 int r; 270 struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; 271 r = amdgpu_bo_reserve(obj, false); 272 if (unlikely(r != 0)) 273 return r; 274 r = amdgpu_bo_kmap(obj, map); 275 amdgpu_bo_unreserve(obj); 276 return r; 277 } 278 279 static int amdgpu_cgs_kunmap_gpu_mem(void *cgs_device, cgs_handle_t handle) 280 { 281 int r; 282 struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; 283 r = amdgpu_bo_reserve(obj, false); 284 if (unlikely(r != 0)) 285 return r; 286 amdgpu_bo_kunmap(obj); 287 amdgpu_bo_unreserve(obj); 288 return r; 289 } 290 291 static uint32_t amdgpu_cgs_read_register(void *cgs_device, unsigned offset) 292 { 293 CGS_FUNC_ADEV; 294 return RREG32(offset); 295 } 296 297 static void amdgpu_cgs_write_register(void *cgs_device, unsigned offset, 298 uint32_t value) 299 { 300 CGS_FUNC_ADEV; 301 WREG32(offset, value); 302 } 303 304 static uint32_t amdgpu_cgs_read_ind_register(void *cgs_device, 305 enum cgs_ind_reg space, 306 unsigned index) 307 { 308 CGS_FUNC_ADEV; 309 switch (space) { 310 case CGS_IND_REG__MMIO: 311 return RREG32_IDX(index); 312 case CGS_IND_REG__PCIE: 313 return RREG32_PCIE(index); 314 case CGS_IND_REG__SMC: 315 return RREG32_SMC(index); 316 case CGS_IND_REG__UVD_CTX: 317 return RREG32_UVD_CTX(index); 318 case CGS_IND_REG__DIDT: 319 return RREG32_DIDT(index); 320 case CGS_IND_REG__AUDIO_ENDPT: 321 DRM_ERROR("audio endpt register access not implemented.\n"); 322 return 0; 323 } 324 WARN(1, "Invalid indirect register space"); 325 return 0; 326 } 327 328 static void amdgpu_cgs_write_ind_register(void *cgs_device, 329 enum cgs_ind_reg space, 330 unsigned index, uint32_t value) 331 { 332 CGS_FUNC_ADEV; 333 switch (space) { 334 case CGS_IND_REG__MMIO: 335 return WREG32_IDX(index, value); 336 case CGS_IND_REG__PCIE: 337 return WREG32_PCIE(index, value); 338 case CGS_IND_REG__SMC: 339 return WREG32_SMC(index, value); 340 case CGS_IND_REG__UVD_CTX: 341 return WREG32_UVD_CTX(index, value); 342 case CGS_IND_REG__DIDT: 343 return WREG32_DIDT(index, value); 344 case CGS_IND_REG__AUDIO_ENDPT: 345 DRM_ERROR("audio endpt register access not implemented.\n"); 346 return; 347 } 348 WARN(1, "Invalid indirect register space"); 349 } 350 351 static uint8_t amdgpu_cgs_read_pci_config_byte(void *cgs_device, unsigned addr) 352 { 353 CGS_FUNC_ADEV; 354 uint8_t val; 355 int ret = pci_read_config_byte(adev->pdev, addr, &val); 356 if (WARN(ret, "pci_read_config_byte error")) 357 return 0; 358 return val; 359 } 360 361 static uint16_t amdgpu_cgs_read_pci_config_word(void *cgs_device, unsigned addr) 362 { 363 CGS_FUNC_ADEV; 364 uint16_t val; 365 int ret = pci_read_config_word(adev->pdev, addr, &val); 366 if (WARN(ret, "pci_read_config_word error")) 367 return 0; 368 return val; 369 } 370 371 static uint32_t amdgpu_cgs_read_pci_config_dword(void *cgs_device, 372 unsigned addr) 373 { 374 CGS_FUNC_ADEV; 375 uint32_t val; 376 int ret = pci_read_config_dword(adev->pdev, addr, &val); 377 if (WARN(ret, "pci_read_config_dword error")) 378 return 0; 379 return val; 380 } 381 382 static void amdgpu_cgs_write_pci_config_byte(void *cgs_device, unsigned addr, 383 uint8_t value) 384 { 385 CGS_FUNC_ADEV; 386 int ret = pci_write_config_byte(adev->pdev, addr, value); 387 WARN(ret, "pci_write_config_byte error"); 388 } 389 390 static void amdgpu_cgs_write_pci_config_word(void *cgs_device, unsigned addr, 391 uint16_t value) 392 { 393 CGS_FUNC_ADEV; 394 int ret = pci_write_config_word(adev->pdev, addr, value); 395 WARN(ret, "pci_write_config_word error"); 396 } 397 398 static void amdgpu_cgs_write_pci_config_dword(void *cgs_device, unsigned addr, 399 uint32_t value) 400 { 401 CGS_FUNC_ADEV; 402 int ret = pci_write_config_dword(adev->pdev, addr, value); 403 WARN(ret, "pci_write_config_dword error"); 404 } 405 406 static const void *amdgpu_cgs_atom_get_data_table(void *cgs_device, 407 unsigned table, uint16_t *size, 408 uint8_t *frev, uint8_t *crev) 409 { 410 CGS_FUNC_ADEV; 411 uint16_t data_start; 412 413 if (amdgpu_atom_parse_data_header( 414 adev->mode_info.atom_context, table, size, 415 frev, crev, &data_start)) 416 return (uint8_t*)adev->mode_info.atom_context->bios + 417 data_start; 418 419 return NULL; 420 } 421 422 static int amdgpu_cgs_atom_get_cmd_table_revs(void *cgs_device, unsigned table, 423 uint8_t *frev, uint8_t *crev) 424 { 425 CGS_FUNC_ADEV; 426 427 if (amdgpu_atom_parse_cmd_header( 428 adev->mode_info.atom_context, table, 429 frev, crev)) 430 return 0; 431 432 return -EINVAL; 433 } 434 435 static int amdgpu_cgs_atom_exec_cmd_table(void *cgs_device, unsigned table, 436 void *args) 437 { 438 CGS_FUNC_ADEV; 439 440 return amdgpu_atom_execute_table( 441 adev->mode_info.atom_context, table, args); 442 } 443 444 static int amdgpu_cgs_create_pm_request(void *cgs_device, cgs_handle_t *request) 445 { 446 /* TODO */ 447 return 0; 448 } 449 450 static int amdgpu_cgs_destroy_pm_request(void *cgs_device, cgs_handle_t request) 451 { 452 /* TODO */ 453 return 0; 454 } 455 456 static int amdgpu_cgs_set_pm_request(void *cgs_device, cgs_handle_t request, 457 int active) 458 { 459 /* TODO */ 460 return 0; 461 } 462 463 static int amdgpu_cgs_pm_request_clock(void *cgs_device, cgs_handle_t request, 464 enum cgs_clock clock, unsigned freq) 465 { 466 /* TODO */ 467 return 0; 468 } 469 470 static int amdgpu_cgs_pm_request_engine(void *cgs_device, cgs_handle_t request, 471 enum cgs_engine engine, int powered) 472 { 473 /* TODO */ 474 return 0; 475 } 476 477 478 479 static int amdgpu_cgs_pm_query_clock_limits(void *cgs_device, 480 enum cgs_clock clock, 481 struct cgs_clock_limits *limits) 482 { 483 /* TODO */ 484 return 0; 485 } 486 487 static int amdgpu_cgs_set_camera_voltages(void *cgs_device, uint32_t mask, 488 const uint32_t *voltages) 489 { 490 DRM_ERROR("not implemented"); 491 return -EPERM; 492 } 493 494 struct cgs_irq_params { 495 unsigned src_id; 496 cgs_irq_source_set_func_t set; 497 cgs_irq_handler_func_t handler; 498 void *private_data; 499 }; 500 501 static int cgs_set_irq_state(struct amdgpu_device *adev, 502 struct amdgpu_irq_src *src, 503 unsigned type, 504 enum amdgpu_interrupt_state state) 505 { 506 struct cgs_irq_params *irq_params = 507 (struct cgs_irq_params *)src->data; 508 if (!irq_params) 509 return -EINVAL; 510 if (!irq_params->set) 511 return -EINVAL; 512 return irq_params->set(irq_params->private_data, 513 irq_params->src_id, 514 type, 515 (int)state); 516 } 517 518 static int cgs_process_irq(struct amdgpu_device *adev, 519 struct amdgpu_irq_src *source, 520 struct amdgpu_iv_entry *entry) 521 { 522 struct cgs_irq_params *irq_params = 523 (struct cgs_irq_params *)source->data; 524 if (!irq_params) 525 return -EINVAL; 526 if (!irq_params->handler) 527 return -EINVAL; 528 return irq_params->handler(irq_params->private_data, 529 irq_params->src_id, 530 entry->iv_entry); 531 } 532 533 static const struct amdgpu_irq_src_funcs cgs_irq_funcs = { 534 .set = cgs_set_irq_state, 535 .process = cgs_process_irq, 536 }; 537 538 static int amdgpu_cgs_add_irq_source(void *cgs_device, unsigned src_id, 539 unsigned num_types, 540 cgs_irq_source_set_func_t set, 541 cgs_irq_handler_func_t handler, 542 void *private_data) 543 { 544 CGS_FUNC_ADEV; 545 int ret = 0; 546 struct cgs_irq_params *irq_params; 547 struct amdgpu_irq_src *source = 548 kzalloc(sizeof(struct amdgpu_irq_src), GFP_KERNEL); 549 if (!source) 550 return -ENOMEM; 551 irq_params = 552 kzalloc(sizeof(struct cgs_irq_params), GFP_KERNEL); 553 if (!irq_params) { 554 kfree(source); 555 return -ENOMEM; 556 } 557 source->num_types = num_types; 558 source->funcs = &cgs_irq_funcs; 559 irq_params->src_id = src_id; 560 irq_params->set = set; 561 irq_params->handler = handler; 562 irq_params->private_data = private_data; 563 source->data = (void *)irq_params; 564 ret = amdgpu_irq_add_id(adev, src_id, source); 565 if (ret) { 566 kfree(irq_params); 567 kfree(source); 568 } 569 570 return ret; 571 } 572 573 static int amdgpu_cgs_irq_get(void *cgs_device, unsigned src_id, unsigned type) 574 { 575 CGS_FUNC_ADEV; 576 return amdgpu_irq_get(adev, adev->irq.sources[src_id], type); 577 } 578 579 static int amdgpu_cgs_irq_put(void *cgs_device, unsigned src_id, unsigned type) 580 { 581 CGS_FUNC_ADEV; 582 return amdgpu_irq_put(adev, adev->irq.sources[src_id], type); 583 } 584 585 int amdgpu_cgs_set_clockgating_state(void *cgs_device, 586 enum amd_ip_block_type block_type, 587 enum amd_clockgating_state state) 588 { 589 CGS_FUNC_ADEV; 590 int i, r = -1; 591 592 for (i = 0; i < adev->num_ip_blocks; i++) { 593 if (!adev->ip_block_status[i].valid) 594 continue; 595 596 if (adev->ip_blocks[i].type == block_type) { 597 r = adev->ip_blocks[i].funcs->set_clockgating_state( 598 (void *)adev, 599 state); 600 break; 601 } 602 } 603 return r; 604 } 605 606 int amdgpu_cgs_set_powergating_state(void *cgs_device, 607 enum amd_ip_block_type block_type, 608 enum amd_powergating_state state) 609 { 610 CGS_FUNC_ADEV; 611 int i, r = -1; 612 613 for (i = 0; i < adev->num_ip_blocks; i++) { 614 if (!adev->ip_block_status[i].valid) 615 continue; 616 617 if (adev->ip_blocks[i].type == block_type) { 618 r = adev->ip_blocks[i].funcs->set_powergating_state( 619 (void *)adev, 620 state); 621 break; 622 } 623 } 624 return r; 625 } 626 627 628 static uint32_t fw_type_convert(void *cgs_device, uint32_t fw_type) 629 { 630 CGS_FUNC_ADEV; 631 enum AMDGPU_UCODE_ID result = AMDGPU_UCODE_ID_MAXIMUM; 632 633 switch (fw_type) { 634 case CGS_UCODE_ID_SDMA0: 635 result = AMDGPU_UCODE_ID_SDMA0; 636 break; 637 case CGS_UCODE_ID_SDMA1: 638 result = AMDGPU_UCODE_ID_SDMA1; 639 break; 640 case CGS_UCODE_ID_CP_CE: 641 result = AMDGPU_UCODE_ID_CP_CE; 642 break; 643 case CGS_UCODE_ID_CP_PFP: 644 result = AMDGPU_UCODE_ID_CP_PFP; 645 break; 646 case CGS_UCODE_ID_CP_ME: 647 result = AMDGPU_UCODE_ID_CP_ME; 648 break; 649 case CGS_UCODE_ID_CP_MEC: 650 case CGS_UCODE_ID_CP_MEC_JT1: 651 result = AMDGPU_UCODE_ID_CP_MEC1; 652 break; 653 case CGS_UCODE_ID_CP_MEC_JT2: 654 if (adev->asic_type == CHIP_TONGA) 655 result = AMDGPU_UCODE_ID_CP_MEC2; 656 else if (adev->asic_type == CHIP_CARRIZO) 657 result = AMDGPU_UCODE_ID_CP_MEC1; 658 break; 659 case CGS_UCODE_ID_RLC_G: 660 result = AMDGPU_UCODE_ID_RLC_G; 661 break; 662 default: 663 DRM_ERROR("Firmware type not supported\n"); 664 } 665 return result; 666 } 667 668 static int amdgpu_cgs_get_firmware_info(void *cgs_device, 669 enum cgs_ucode_id type, 670 struct cgs_firmware_info *info) 671 { 672 CGS_FUNC_ADEV; 673 674 if (CGS_UCODE_ID_SMU != type) { 675 uint64_t gpu_addr; 676 uint32_t data_size; 677 const struct gfx_firmware_header_v1_0 *header; 678 enum AMDGPU_UCODE_ID id; 679 struct amdgpu_firmware_info *ucode; 680 681 id = fw_type_convert(cgs_device, type); 682 ucode = &adev->firmware.ucode[id]; 683 if (ucode->fw == NULL) 684 return -EINVAL; 685 686 gpu_addr = ucode->mc_addr; 687 header = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data; 688 data_size = le32_to_cpu(header->header.ucode_size_bytes); 689 690 if ((type == CGS_UCODE_ID_CP_MEC_JT1) || 691 (type == CGS_UCODE_ID_CP_MEC_JT2)) { 692 gpu_addr += le32_to_cpu(header->jt_offset) << 2; 693 data_size = le32_to_cpu(header->jt_size) << 2; 694 } 695 info->mc_addr = gpu_addr; 696 info->image_size = data_size; 697 info->version = (uint16_t)le32_to_cpu(header->header.ucode_version); 698 info->feature_version = (uint16_t)le32_to_cpu(header->ucode_feature_version); 699 } else { 700 char fw_name[30] = {0}; 701 int err = 0; 702 uint32_t ucode_size; 703 uint32_t ucode_start_address; 704 const uint8_t *src; 705 const struct smc_firmware_header_v1_0 *hdr; 706 707 switch (adev->asic_type) { 708 case CHIP_TONGA: 709 strcpy(fw_name, "amdgpu/tonga_smc.bin"); 710 break; 711 default: 712 DRM_ERROR("SMC firmware not supported\n"); 713 return -EINVAL; 714 } 715 716 err = request_firmware(&adev->pm.fw, fw_name, adev->dev); 717 if (err) { 718 DRM_ERROR("Failed to request firmware\n"); 719 return err; 720 } 721 722 err = amdgpu_ucode_validate(adev->pm.fw); 723 if (err) { 724 DRM_ERROR("Failed to load firmware \"%s\"", fw_name); 725 release_firmware(adev->pm.fw); 726 adev->pm.fw = NULL; 727 return err; 728 } 729 730 hdr = (const struct smc_firmware_header_v1_0 *) adev->pm.fw->data; 731 adev->pm.fw_version = le32_to_cpu(hdr->header.ucode_version); 732 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes); 733 ucode_start_address = le32_to_cpu(hdr->ucode_start_addr); 734 src = (const uint8_t *)(adev->pm.fw->data + 735 le32_to_cpu(hdr->header.ucode_array_offset_bytes)); 736 737 info->version = adev->pm.fw_version; 738 info->image_size = ucode_size; 739 info->kptr = (void *)src; 740 } 741 return 0; 742 } 743 744 static const struct cgs_ops amdgpu_cgs_ops = { 745 amdgpu_cgs_gpu_mem_info, 746 amdgpu_cgs_gmap_kmem, 747 amdgpu_cgs_gunmap_kmem, 748 amdgpu_cgs_alloc_gpu_mem, 749 amdgpu_cgs_free_gpu_mem, 750 amdgpu_cgs_gmap_gpu_mem, 751 amdgpu_cgs_gunmap_gpu_mem, 752 amdgpu_cgs_kmap_gpu_mem, 753 amdgpu_cgs_kunmap_gpu_mem, 754 amdgpu_cgs_read_register, 755 amdgpu_cgs_write_register, 756 amdgpu_cgs_read_ind_register, 757 amdgpu_cgs_write_ind_register, 758 amdgpu_cgs_read_pci_config_byte, 759 amdgpu_cgs_read_pci_config_word, 760 amdgpu_cgs_read_pci_config_dword, 761 amdgpu_cgs_write_pci_config_byte, 762 amdgpu_cgs_write_pci_config_word, 763 amdgpu_cgs_write_pci_config_dword, 764 amdgpu_cgs_atom_get_data_table, 765 amdgpu_cgs_atom_get_cmd_table_revs, 766 amdgpu_cgs_atom_exec_cmd_table, 767 amdgpu_cgs_create_pm_request, 768 amdgpu_cgs_destroy_pm_request, 769 amdgpu_cgs_set_pm_request, 770 amdgpu_cgs_pm_request_clock, 771 amdgpu_cgs_pm_request_engine, 772 amdgpu_cgs_pm_query_clock_limits, 773 amdgpu_cgs_set_camera_voltages, 774 amdgpu_cgs_get_firmware_info, 775 amdgpu_cgs_set_powergating_state, 776 amdgpu_cgs_set_clockgating_state 777 }; 778 779 static const struct cgs_os_ops amdgpu_cgs_os_ops = { 780 amdgpu_cgs_add_irq_source, 781 amdgpu_cgs_irq_get, 782 amdgpu_cgs_irq_put 783 }; 784 785 void *amdgpu_cgs_create_device(struct amdgpu_device *adev) 786 { 787 struct amdgpu_cgs_device *cgs_device = 788 kmalloc(sizeof(*cgs_device), GFP_KERNEL); 789 790 if (!cgs_device) { 791 DRM_ERROR("Couldn't allocate CGS device structure\n"); 792 return NULL; 793 } 794 795 cgs_device->base.ops = &amdgpu_cgs_ops; 796 cgs_device->base.os_ops = &amdgpu_cgs_os_ops; 797 cgs_device->adev = adev; 798 799 return cgs_device; 800 } 801 802 void amdgpu_cgs_destroy_device(void *cgs_device) 803 { 804 kfree(cgs_device); 805 } 806
Indexes created Mon Sep 29 21:09:56 GMT 2025