1 /* $NetBSD: amdgpu_cgs.c,v 1.5 2020/02/14 14:34:57 maya 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 1.5 2020/02/14 14:34:57 maya 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 #ifdef __NetBSD__ /* XXX unused */ 87 return -ENOSYS; 88 #else 89 CGS_FUNC_ADEV; 90 int ret; 91 struct amdgpu_bo *bo; 92 struct page *kmem_page = vmalloc_to_page(kmem); 93 int npages = ALIGN(size, PAGE_SIZE) >> PAGE_SHIFT; 94 95 struct sg_table *sg = drm_prime_pages_to_sg(&kmem_page, npages); 96 ret = amdgpu_bo_create(adev, size, PAGE_SIZE, false, 97 AMDGPU_GEM_DOMAIN_GTT, 0, sg, NULL, &bo); 98 if (ret) 99 return ret; 100 ret = amdgpu_bo_reserve(bo, false); 101 if (unlikely(ret != 0)) 102 return ret; 103 104 /* pin buffer into GTT */ 105 ret = amdgpu_bo_pin_restricted(bo, AMDGPU_GEM_DOMAIN_GTT, 106 min_offset, max_offset, mcaddr); 107 amdgpu_bo_unreserve(bo); 108 109 *kmem_handle = (cgs_handle_t)bo; 110 return ret; 111 #endif 112 } 113 114 static int amdgpu_cgs_gunmap_kmem(void *cgs_device, cgs_handle_t kmem_handle) 115 { 116 #ifdef __NetBSD__ /* XXX unused */ 117 panic("not implemented"); 118 #else 119 struct amdgpu_bo *obj = (struct amdgpu_bo *)kmem_handle; 120 121 if (obj) { 122 int r = amdgpu_bo_reserve(obj, false); 123 if (likely(r == 0)) { 124 amdgpu_bo_unpin(obj); 125 amdgpu_bo_unreserve(obj); 126 } 127 amdgpu_bo_unref(&obj); 128 129 } 130 return 0; 131 #endif 132 } 133 134 static int amdgpu_cgs_alloc_gpu_mem(void *cgs_device, 135 enum cgs_gpu_mem_type type, 136 uint64_t size, uint64_t align, 137 uint64_t min_offset, uint64_t max_offset, 138 cgs_handle_t *handle) 139 { 140 CGS_FUNC_ADEV; 141 uint16_t flags = 0; 142 int ret = 0; 143 uint32_t domain = 0; 144 struct amdgpu_bo *obj; 145 struct ttm_placement placement; 146 struct ttm_place place; 147 148 if (min_offset > max_offset) { 149 BUG_ON(1); 150 return -EINVAL; 151 } 152 153 /* fail if the alignment is not a power of 2 */ 154 if (((align != 1) && (align & (align - 1))) 155 || size == 0 || align == 0) 156 return -EINVAL; 157 158 159 switch(type) { 160 case CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB: 161 case CGS_GPU_MEM_TYPE__VISIBLE_FB: 162 flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED; 163 domain = AMDGPU_GEM_DOMAIN_VRAM; 164 if (max_offset > adev->mc.real_vram_size) 165 return -EINVAL; 166 place.fpfn = min_offset >> PAGE_SHIFT; 167 place.lpfn = max_offset >> PAGE_SHIFT; 168 place.flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | 169 TTM_PL_FLAG_VRAM; 170 break; 171 case CGS_GPU_MEM_TYPE__INVISIBLE_CONTIG_FB: 172 case CGS_GPU_MEM_TYPE__INVISIBLE_FB: 173 flags = AMDGPU_GEM_CREATE_NO_CPU_ACCESS; 174 domain = AMDGPU_GEM_DOMAIN_VRAM; 175 if (adev->mc.visible_vram_size < adev->mc.real_vram_size) { 176 place.fpfn = 177 max(min_offset, adev->mc.visible_vram_size) >> PAGE_SHIFT; 178 place.lpfn = 179 min(max_offset, adev->mc.real_vram_size) >> PAGE_SHIFT; 180 place.flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED | 181 TTM_PL_FLAG_VRAM; 182 } 183 184 break; 185 case CGS_GPU_MEM_TYPE__GART_CACHEABLE: 186 domain = AMDGPU_GEM_DOMAIN_GTT; 187 place.fpfn = min_offset >> PAGE_SHIFT; 188 place.lpfn = max_offset >> PAGE_SHIFT; 189 place.flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_TT; 190 break; 191 case CGS_GPU_MEM_TYPE__GART_WRITECOMBINE: 192 flags = AMDGPU_GEM_CREATE_CPU_GTT_USWC; 193 domain = AMDGPU_GEM_DOMAIN_GTT; 194 place.fpfn = min_offset >> PAGE_SHIFT; 195 place.lpfn = max_offset >> PAGE_SHIFT; 196 place.flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_TT | 197 TTM_PL_FLAG_UNCACHED; 198 break; 199 default: 200 return -EINVAL; 201 } 202 203 204 *handle = 0; 205 206 placement.placement = &place; 207 placement.num_placement = 1; 208 placement.busy_placement = &place; 209 placement.num_busy_placement = 1; 210 211 ret = amdgpu_bo_create_restricted(adev, size, PAGE_SIZE, 212 true, domain, flags, 213 NULL, &placement, NULL, 214 &obj); 215 if (ret) { 216 DRM_ERROR("(%d) bo create failed\n", ret); 217 return ret; 218 } 219 *handle = (cgs_handle_t)obj; 220 221 return ret; 222 } 223 224 static int amdgpu_cgs_free_gpu_mem(void *cgs_device, cgs_handle_t handle) 225 { 226 struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; 227 228 if (obj) { 229 int r = amdgpu_bo_reserve(obj, false); 230 if (likely(r == 0)) { 231 amdgpu_bo_kunmap(obj); 232 amdgpu_bo_unpin(obj); 233 amdgpu_bo_unreserve(obj); 234 } 235 amdgpu_bo_unref(&obj); 236 237 } 238 return 0; 239 } 240 241 static int amdgpu_cgs_gmap_gpu_mem(void *cgs_device, cgs_handle_t handle, 242 uint64_t *mcaddr) 243 { 244 int r; 245 u64 min_offset, max_offset; 246 struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; 247 248 WARN_ON_ONCE(obj->placement.num_placement > 1); 249 250 min_offset = obj->placements[0].fpfn << PAGE_SHIFT; 251 max_offset = obj->placements[0].lpfn << PAGE_SHIFT; 252 253 r = amdgpu_bo_reserve(obj, false); 254 if (unlikely(r != 0)) 255 return r; 256 r = amdgpu_bo_pin_restricted(obj, AMDGPU_GEM_DOMAIN_GTT, 257 min_offset, max_offset, mcaddr); 258 amdgpu_bo_unreserve(obj); 259 return r; 260 } 261 262 static int amdgpu_cgs_gunmap_gpu_mem(void *cgs_device, cgs_handle_t handle) 263 { 264 int r; 265 struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; 266 r = amdgpu_bo_reserve(obj, false); 267 if (unlikely(r != 0)) 268 return r; 269 r = amdgpu_bo_unpin(obj); 270 amdgpu_bo_unreserve(obj); 271 return r; 272 } 273 274 static int amdgpu_cgs_kmap_gpu_mem(void *cgs_device, cgs_handle_t handle, 275 void **map) 276 { 277 int r; 278 struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; 279 r = amdgpu_bo_reserve(obj, false); 280 if (unlikely(r != 0)) 281 return r; 282 r = amdgpu_bo_kmap(obj, map); 283 amdgpu_bo_unreserve(obj); 284 return r; 285 } 286 287 static int amdgpu_cgs_kunmap_gpu_mem(void *cgs_device, cgs_handle_t handle) 288 { 289 int r; 290 struct amdgpu_bo *obj = (struct amdgpu_bo *)handle; 291 r = amdgpu_bo_reserve(obj, false); 292 if (unlikely(r != 0)) 293 return r; 294 amdgpu_bo_kunmap(obj); 295 amdgpu_bo_unreserve(obj); 296 return r; 297 } 298 299 static uint32_t amdgpu_cgs_read_register(void *cgs_device, unsigned offset) 300 { 301 CGS_FUNC_ADEV; 302 return RREG32(offset); 303 } 304 305 static void amdgpu_cgs_write_register(void *cgs_device, unsigned offset, 306 uint32_t value) 307 { 308 CGS_FUNC_ADEV; 309 WREG32(offset, value); 310 } 311 312 static uint32_t amdgpu_cgs_read_ind_register(void *cgs_device, 313 enum cgs_ind_reg space, 314 unsigned index) 315 { 316 CGS_FUNC_ADEV; 317 switch (space) { 318 case CGS_IND_REG__MMIO: 319 return RREG32_IDX(index); 320 case CGS_IND_REG__PCIE: 321 return RREG32_PCIE(index); 322 case CGS_IND_REG__SMC: 323 return RREG32_SMC(index); 324 case CGS_IND_REG__UVD_CTX: 325 return RREG32_UVD_CTX(index); 326 case CGS_IND_REG__DIDT: 327 return RREG32_DIDT(index); 328 case CGS_IND_REG__AUDIO_ENDPT: 329 DRM_ERROR("audio endpt register access not implemented.\n"); 330 return 0; 331 } 332 WARN(1, "Invalid indirect register space"); 333 return 0; 334 } 335 336 static void amdgpu_cgs_write_ind_register(void *cgs_device, 337 enum cgs_ind_reg space, 338 unsigned index, uint32_t value) 339 { 340 CGS_FUNC_ADEV; 341 switch (space) { 342 case CGS_IND_REG__MMIO: 343 return WREG32_IDX(index, value); 344 case CGS_IND_REG__PCIE: 345 return WREG32_PCIE(index, value); 346 case CGS_IND_REG__SMC: 347 return WREG32_SMC(index, value); 348 case CGS_IND_REG__UVD_CTX: 349 return WREG32_UVD_CTX(index, value); 350 case CGS_IND_REG__DIDT: 351 return WREG32_DIDT(index, value); 352 case CGS_IND_REG__AUDIO_ENDPT: 353 DRM_ERROR("audio endpt register access not implemented.\n"); 354 return; 355 } 356 WARN(1, "Invalid indirect register space"); 357 } 358 359 static uint8_t amdgpu_cgs_read_pci_config_byte(void *cgs_device, unsigned addr) 360 { 361 CGS_FUNC_ADEV; 362 uint8_t val; 363 int ret = pci_read_config_byte(adev->pdev, addr, &val); 364 if (WARN(ret, "pci_read_config_byte error")) 365 return 0; 366 return val; 367 } 368 369 static uint16_t amdgpu_cgs_read_pci_config_word(void *cgs_device, unsigned addr) 370 { 371 CGS_FUNC_ADEV; 372 uint16_t val; 373 int ret = pci_read_config_word(adev->pdev, addr, &val); 374 if (WARN(ret, "pci_read_config_word error")) 375 return 0; 376 return val; 377 } 378 379 static uint32_t amdgpu_cgs_read_pci_config_dword(void *cgs_device, 380 unsigned addr) 381 { 382 CGS_FUNC_ADEV; 383 uint32_t val; 384 int ret = pci_read_config_dword(adev->pdev, addr, &val); 385 if (WARN(ret, "pci_read_config_dword error")) 386 return 0; 387 return val; 388 } 389 390 static void amdgpu_cgs_write_pci_config_byte(void *cgs_device, unsigned addr, 391 uint8_t value) 392 { 393 CGS_FUNC_ADEV; 394 int ret = pci_write_config_byte(adev->pdev, addr, value); 395 WARN(ret, "pci_write_config_byte error"); 396 } 397 398 static void amdgpu_cgs_write_pci_config_word(void *cgs_device, unsigned addr, 399 uint16_t value) 400 { 401 CGS_FUNC_ADEV; 402 int ret = pci_write_config_word(adev->pdev, addr, value); 403 WARN(ret, "pci_write_config_word error"); 404 } 405 406 static void amdgpu_cgs_write_pci_config_dword(void *cgs_device, unsigned addr, 407 uint32_t value) 408 { 409 CGS_FUNC_ADEV; 410 int ret = pci_write_config_dword(adev->pdev, addr, value); 411 WARN(ret, "pci_write_config_dword error"); 412 } 413 414 static const void *amdgpu_cgs_atom_get_data_table(void *cgs_device, 415 unsigned table, uint16_t *size, 416 uint8_t *frev, uint8_t *crev) 417 { 418 CGS_FUNC_ADEV; 419 uint16_t data_start; 420 421 if (amdgpu_atom_parse_data_header( 422 adev->mode_info.atom_context, table, size, 423 frev, crev, &data_start)) 424 return (uint8_t*)adev->mode_info.atom_context->bios + 425 data_start; 426 427 return NULL; 428 } 429 430 static int amdgpu_cgs_atom_get_cmd_table_revs(void *cgs_device, unsigned table, 431 uint8_t *frev, uint8_t *crev) 432 { 433 CGS_FUNC_ADEV; 434 435 if (amdgpu_atom_parse_cmd_header( 436 adev->mode_info.atom_context, table, 437 frev, crev)) 438 return 0; 439 440 return -EINVAL; 441 } 442 443 static int amdgpu_cgs_atom_exec_cmd_table(void *cgs_device, unsigned table, 444 void *args) 445 { 446 CGS_FUNC_ADEV; 447 448 return amdgpu_atom_execute_table( 449 adev->mode_info.atom_context, table, args); 450 } 451 452 static int amdgpu_cgs_create_pm_request(void *cgs_device, cgs_handle_t *request) 453 { 454 /* TODO */ 455 return 0; 456 } 457 458 static int amdgpu_cgs_destroy_pm_request(void *cgs_device, cgs_handle_t request) 459 { 460 /* TODO */ 461 return 0; 462 } 463 464 static int amdgpu_cgs_set_pm_request(void *cgs_device, cgs_handle_t request, 465 int active) 466 { 467 /* TODO */ 468 return 0; 469 } 470 471 static int amdgpu_cgs_pm_request_clock(void *cgs_device, cgs_handle_t request, 472 enum cgs_clock clock, unsigned freq) 473 { 474 /* TODO */ 475 return 0; 476 } 477 478 static int amdgpu_cgs_pm_request_engine(void *cgs_device, cgs_handle_t request, 479 enum cgs_engine engine, int powered) 480 { 481 /* TODO */ 482 return 0; 483 } 484 485 486 487 static int amdgpu_cgs_pm_query_clock_limits(void *cgs_device, 488 enum cgs_clock clock, 489 struct cgs_clock_limits *limits) 490 { 491 /* TODO */ 492 return 0; 493 } 494 495 static int amdgpu_cgs_set_camera_voltages(void *cgs_device, uint32_t mask, 496 const uint32_t *voltages) 497 { 498 DRM_ERROR("not implemented"); 499 return -EPERM; 500 } 501 502 struct cgs_irq_params { 503 unsigned src_id; 504 cgs_irq_source_set_func_t set; 505 cgs_irq_handler_func_t handler; 506 void *private_data; 507 }; 508 509 static int cgs_set_irq_state(struct amdgpu_device *adev, 510 struct amdgpu_irq_src *src, 511 unsigned type, 512 enum amdgpu_interrupt_state state) 513 { 514 struct cgs_irq_params *irq_params = 515 (struct cgs_irq_params *)src->data; 516 if (!irq_params) 517 return -EINVAL; 518 if (!irq_params->set) 519 return -EINVAL; 520 return irq_params->set(irq_params->private_data, 521 irq_params->src_id, 522 type, 523 (int)state); 524 } 525 526 static int cgs_process_irq(struct amdgpu_device *adev, 527 struct amdgpu_irq_src *source, 528 struct amdgpu_iv_entry *entry) 529 { 530 struct cgs_irq_params *irq_params = 531 (struct cgs_irq_params *)source->data; 532 if (!irq_params) 533 return -EINVAL; 534 if (!irq_params->handler) 535 return -EINVAL; 536 return irq_params->handler(irq_params->private_data, 537 irq_params->src_id, 538 entry->iv_entry); 539 } 540 541 static const struct amdgpu_irq_src_funcs cgs_irq_funcs = { 542 .set = cgs_set_irq_state, 543 .process = cgs_process_irq, 544 }; 545 546 static int amdgpu_cgs_add_irq_source(void *cgs_device, unsigned src_id, 547 unsigned num_types, 548 cgs_irq_source_set_func_t set, 549 cgs_irq_handler_func_t handler, 550 void *private_data) 551 { 552 CGS_FUNC_ADEV; 553 int ret = 0; 554 struct cgs_irq_params *irq_params; 555 struct amdgpu_irq_src *source = 556 kzalloc(sizeof(struct amdgpu_irq_src), GFP_KERNEL); 557 if (!source) 558 return -ENOMEM; 559 irq_params = 560 kzalloc(sizeof(struct cgs_irq_params), GFP_KERNEL); 561 if (!irq_params) { 562 kfree(source); 563 return -ENOMEM; 564 } 565 source->num_types = num_types; 566 source->funcs = &cgs_irq_funcs; 567 irq_params->src_id = src_id; 568 irq_params->set = set; 569 irq_params->handler = handler; 570 irq_params->private_data = private_data; 571 source->data = (void *)irq_params; 572 ret = amdgpu_irq_add_id(adev, src_id, source); 573 if (ret) { 574 kfree(irq_params); 575 kfree(source); 576 } 577 578 return ret; 579 } 580 581 static int amdgpu_cgs_irq_get(void *cgs_device, unsigned src_id, unsigned type) 582 { 583 CGS_FUNC_ADEV; 584 return amdgpu_irq_get(adev, adev->irq.sources[src_id], type); 585 } 586 587 static int amdgpu_cgs_irq_put(void *cgs_device, unsigned src_id, unsigned type) 588 { 589 CGS_FUNC_ADEV; 590 return amdgpu_irq_put(adev, adev->irq.sources[src_id], type); 591 } 592 593 static int amdgpu_cgs_set_clockgating_state(void *cgs_device, 594 enum amd_ip_block_type block_type, 595 enum amd_clockgating_state state) 596 { 597 CGS_FUNC_ADEV; 598 int i, r = -1; 599 600 for (i = 0; i < adev->num_ip_blocks; i++) { 601 if (!adev->ip_block_status[i].valid) 602 continue; 603 604 if (adev->ip_blocks[i].type == block_type) { 605 r = adev->ip_blocks[i].funcs->set_clockgating_state( 606 (void *)adev, 607 state); 608 break; 609 } 610 } 611 return r; 612 } 613 614 static int amdgpu_cgs_set_powergating_state(void *cgs_device, 615 enum amd_ip_block_type block_type, 616 enum amd_powergating_state state) 617 { 618 CGS_FUNC_ADEV; 619 int i, r = -1; 620 621 for (i = 0; i < adev->num_ip_blocks; i++) { 622 if (!adev->ip_block_status[i].valid) 623 continue; 624 625 if (adev->ip_blocks[i].type == block_type) { 626 r = adev->ip_blocks[i].funcs->set_powergating_state( 627 (void *)adev, 628 state); 629 break; 630 } 631 } 632 return r; 633 } 634 635 636 static uint32_t fw_type_convert(void *cgs_device, uint32_t fw_type) 637 { 638 CGS_FUNC_ADEV; 639 enum AMDGPU_UCODE_ID result = AMDGPU_UCODE_ID_MAXIMUM; 640 641 switch (fw_type) { 642 case CGS_UCODE_ID_SDMA0: 643 result = AMDGPU_UCODE_ID_SDMA0; 644 break; 645 case CGS_UCODE_ID_SDMA1: 646 result = AMDGPU_UCODE_ID_SDMA1; 647 break; 648 case CGS_UCODE_ID_CP_CE: 649 result = AMDGPU_UCODE_ID_CP_CE; 650 break; 651 case CGS_UCODE_ID_CP_PFP: 652 result = AMDGPU_UCODE_ID_CP_PFP; 653 break; 654 case CGS_UCODE_ID_CP_ME: 655 result = AMDGPU_UCODE_ID_CP_ME; 656 break; 657 case CGS_UCODE_ID_CP_MEC: 658 case CGS_UCODE_ID_CP_MEC_JT1: 659 result = AMDGPU_UCODE_ID_CP_MEC1; 660 break; 661 case CGS_UCODE_ID_CP_MEC_JT2: 662 if (adev->asic_type == CHIP_TONGA) 663 result = AMDGPU_UCODE_ID_CP_MEC2; 664 else if (adev->asic_type == CHIP_CARRIZO) 665 result = AMDGPU_UCODE_ID_CP_MEC1; 666 break; 667 case CGS_UCODE_ID_RLC_G: 668 result = AMDGPU_UCODE_ID_RLC_G; 669 break; 670 default: 671 DRM_ERROR("Firmware type not supported\n"); 672 } 673 return result; 674 } 675 676 static int amdgpu_cgs_get_firmware_info(void *cgs_device, 677 enum cgs_ucode_id type, 678 struct cgs_firmware_info *info) 679 { 680 CGS_FUNC_ADEV; 681 682 if (CGS_UCODE_ID_SMU != type) { 683 uint64_t gpu_addr; 684 uint32_t data_size; 685 const struct gfx_firmware_header_v1_0 *header; 686 enum AMDGPU_UCODE_ID id; 687 struct amdgpu_firmware_info *ucode; 688 689 id = fw_type_convert(cgs_device, type); 690 ucode = &adev->firmware.ucode[id]; 691 if (ucode->fw == NULL) 692 return -EINVAL; 693 694 gpu_addr = ucode->mc_addr; 695 header = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data; 696 data_size = le32_to_cpu(header->header.ucode_size_bytes); 697 698 if ((type == CGS_UCODE_ID_CP_MEC_JT1) || 699 (type == CGS_UCODE_ID_CP_MEC_JT2)) { 700 gpu_addr += le32_to_cpu(header->jt_offset) << 2; 701 data_size = le32_to_cpu(header->jt_size) << 2; 702 } 703 info->mc_addr = gpu_addr; 704 info->image_size = data_size; 705 info->version = (uint16_t)le32_to_cpu(header->header.ucode_version); 706 info->feature_version = (uint16_t)le32_to_cpu(header->ucode_feature_version); 707 } else { 708 char fw_name[30] = {0}; 709 int err = 0; 710 uint32_t ucode_size; 711 uint32_t ucode_start_address __unused; 712 const uint8_t *src; 713 const struct smc_firmware_header_v1_0 *hdr; 714 715 switch (adev->asic_type) { 716 case CHIP_TONGA: 717 strcpy(fw_name, "amdgpu/tonga_smc.bin"); 718 break; 719 default: 720 DRM_ERROR("SMC firmware not supported\n"); 721 return -EINVAL; 722 } 723 724 err = request_firmware(&adev->pm.fw, fw_name, adev->dev); 725 if (err) { 726 DRM_ERROR("Failed to request firmware\n"); 727 return err; 728 } 729 730 err = amdgpu_ucode_validate(adev->pm.fw); 731 if (err) { 732 DRM_ERROR("Failed to load firmware \"%s\"", fw_name); 733 release_firmware(adev->pm.fw); 734 adev->pm.fw = NULL; 735 return err; 736 } 737 738 hdr = (const struct smc_firmware_header_v1_0 *) adev->pm.fw->data; 739 adev->pm.fw_version = le32_to_cpu(hdr->header.ucode_version); 740 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes); 741 ucode_start_address = le32_to_cpu(hdr->ucode_start_addr); 742 src = (const uint8_t *)(adev->pm.fw->data + 743 le32_to_cpu(hdr->header.ucode_array_offset_bytes)); 744 745 info->version = adev->pm.fw_version; 746 info->image_size = ucode_size; 747 info->kptr = (void *)__UNCONST(src); /* XXX used for? */ 748 } 749 return 0; 750 } 751 752 static const struct cgs_ops amdgpu_cgs_ops = { 753 amdgpu_cgs_gpu_mem_info, 754 amdgpu_cgs_gmap_kmem, 755 amdgpu_cgs_gunmap_kmem, 756 amdgpu_cgs_alloc_gpu_mem, 757 amdgpu_cgs_free_gpu_mem, 758 amdgpu_cgs_gmap_gpu_mem, 759 amdgpu_cgs_gunmap_gpu_mem, 760 amdgpu_cgs_kmap_gpu_mem, 761 amdgpu_cgs_kunmap_gpu_mem, 762 amdgpu_cgs_read_register, 763 amdgpu_cgs_write_register, 764 amdgpu_cgs_read_ind_register, 765 amdgpu_cgs_write_ind_register, 766 amdgpu_cgs_read_pci_config_byte, 767 amdgpu_cgs_read_pci_config_word, 768 amdgpu_cgs_read_pci_config_dword, 769 amdgpu_cgs_write_pci_config_byte, 770 amdgpu_cgs_write_pci_config_word, 771 amdgpu_cgs_write_pci_config_dword, 772 amdgpu_cgs_atom_get_data_table, 773 amdgpu_cgs_atom_get_cmd_table_revs, 774 amdgpu_cgs_atom_exec_cmd_table, 775 amdgpu_cgs_create_pm_request, 776 amdgpu_cgs_destroy_pm_request, 777 amdgpu_cgs_set_pm_request, 778 amdgpu_cgs_pm_request_clock, 779 amdgpu_cgs_pm_request_engine, 780 amdgpu_cgs_pm_query_clock_limits, 781 amdgpu_cgs_set_camera_voltages, 782 amdgpu_cgs_get_firmware_info, 783 amdgpu_cgs_set_powergating_state, 784 amdgpu_cgs_set_clockgating_state 785 }; 786 787 static const struct cgs_os_ops amdgpu_cgs_os_ops = { 788 amdgpu_cgs_add_irq_source, 789 amdgpu_cgs_irq_get, 790 amdgpu_cgs_irq_put 791 }; 792 793 void *amdgpu_cgs_create_device(struct amdgpu_device *adev) 794 { 795 struct amdgpu_cgs_device *cgs_device = 796 kmalloc(sizeof(*cgs_device), GFP_KERNEL); 797 798 if (!cgs_device) { 799 DRM_ERROR("Couldn't allocate CGS device structure\n"); 800 return NULL; 801 } 802 803 cgs_device->base.ops = &amdgpu_cgs_ops; 804 cgs_device->base.os_ops = &amdgpu_cgs_os_ops; 805 cgs_device->adev = adev; 806 807 return cgs_device; 808 } 809 810 void amdgpu_cgs_destroy_device(void *cgs_device) 811 { 812 kfree(cgs_device); 813 } 814