drivers/gpu/drm/amd/amdgpu/amdgpu_cgs.c

   1 /*
   2  * Copyright 2015 Advanced Micro Devices, 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  *
  23  */
  24 #include <linux/list.h>
  25 #include <linux/slab.h>
  26 #include <linux/pci.h>
  27 #include <linux/acpi.h>
  28 #include <drm/drmP.h>
  29 #include <linux/firmware.h>
  30 #include <drm/amdgpu_drm.h>
  31 #include "amdgpu.h"
  32 #include "cgs_linux.h"
  33 #include "atom.h"
  34 #include "amdgpu_ucode.h"
  35
  36 struct amdgpu_cgs_device {
  37         struct cgs_device base;
  38         struct amdgpu_device *adev;
  39 };
  40
  41 #define CGS_FUNC_ADEV                                                   \
  42         struct amdgpu_device *adev =                                    \
  43                 ((struct amdgpu_cgs_device *)cgs_device)->adev
  44
  45 static int amdgpu_cgs_gpu_mem_info(void *cgs_device, enum cgs_gpu_mem_type type,
  46                                    uint64_t *mc_start, uint64_t *mc_size,
  47                                    uint64_t *mem_size)
  48 {
  49         CGS_FUNC_ADEV;
  50         switch(type) {
  51         case CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB:
  52         case CGS_GPU_MEM_TYPE__VISIBLE_FB:
  53                 *mc_start = 0;
  54                 *mc_size = adev->mc.visible_vram_size;
  55                 *mem_size = adev->mc.visible_vram_size - adev->vram_pin_size;
  56                 break;
  57         case CGS_GPU_MEM_TYPE__INVISIBLE_CONTIG_FB:
  58         case CGS_GPU_MEM_TYPE__INVISIBLE_FB:
  59                 *mc_start = adev->mc.visible_vram_size;
  60                 *mc_size = adev->mc.real_vram_size - adev->mc.visible_vram_size;
  61                 *mem_size = *mc_size;
  62                 break;
  63         case CGS_GPU_MEM_TYPE__GART_CACHEABLE:
  64         case CGS_GPU_MEM_TYPE__GART_WRITECOMBINE:
  65                 *mc_start = adev->mc.gtt_start;
  66                 *mc_size = adev->mc.gtt_size;
  67                 *mem_size = adev->mc.gtt_size - adev->gart_pin_size;
  68                 break;
  69         default:
  70                 return -EINVAL;
  71         }
  72
  73         return 0;
  74 }
  75
  76 static int amdgpu_cgs_gmap_kmem(void *cgs_device, void *kmem,
  77                                 uint64_t size,
  78                                 uint64_t min_offset, uint64_t max_offset,
  79                                 cgs_handle_t *kmem_handle, uint64_t *mcaddr)
  80 {
  81         CGS_FUNC_ADEV;
  82         int ret;
  83         struct amdgpu_bo *bo;
  84         struct page *kmem_page = vmalloc_to_page(kmem);
  85         int npages = ALIGN(size, PAGE_SIZE) >> PAGE_SHIFT;
  86
  87         struct sg_table *sg = drm_prime_pages_to_sg(&kmem_page, npages);
  88         ret = amdgpu_bo_create(adev, size, PAGE_SIZE, false,
  89                                AMDGPU_GEM_DOMAIN_GTT, 0, sg, NULL, &bo);
  90         if (ret)
  91                 return ret;
  92         ret = amdgpu_bo_reserve(bo, false);
  93         if (unlikely(ret != 0))
  94                 return ret;
  95
  96         /* pin buffer into GTT */
  97         ret = amdgpu_bo_pin_restricted(bo, AMDGPU_GEM_DOMAIN_GTT,
  98                                        min_offset, max_offset, mcaddr);
  99         amdgpu_bo_unreserve(bo);
 100
 101         *kmem_handle = (cgs_handle_t)bo;
 102         return ret;
 103 }
 104
 105 static int amdgpu_cgs_gunmap_kmem(void *cgs_device, cgs_handle_t kmem_handle)
 106 {
 107         struct amdgpu_bo *obj = (struct amdgpu_bo *)kmem_handle;
 108
 109         if (obj) {
 110                 int r = amdgpu_bo_reserve(obj, false);
 111                 if (likely(r == 0)) {
 112                         amdgpu_bo_unpin(obj);
 113                         amdgpu_bo_unreserve(obj);
 114                 }
 115                 amdgpu_bo_unref(&obj);
 116
 117         }
 118         return 0;
 119 }
 120
 121 static int amdgpu_cgs_alloc_gpu_mem(void *cgs_device,
 122                                     enum cgs_gpu_mem_type type,
 123                                     uint64_t size, uint64_t align,
 124                                     uint64_t min_offset, uint64_t max_offset,
 125                                     cgs_handle_t *handle)
 126 {
 127         CGS_FUNC_ADEV;
 128         uint16_t flags = 0;
 129         int ret = 0;
 130         uint32_t domain = 0;
 131         struct amdgpu_bo *obj;
 132         struct ttm_placement placement;
 133         struct ttm_place place;
 134
 135         if (min_offset > max_offset) {
 136                 BUG_ON(1);
 137                 return -EINVAL;
 138         }
 139
 140         /* fail if the alignment is not a power of 2 */
 141         if (((align != 1) && (align & (align - 1)))
 142             || size == 0 || align == 0)
 143                 return -EINVAL;
 144
 145
 146         switch(type) {
 147         case CGS_GPU_MEM_TYPE__VISIBLE_CONTIG_FB:
 148         case CGS_GPU_MEM_TYPE__VISIBLE_FB:
 149                 flags = AMDGPU_GEM_CREATE_CPU_ACCESS_REQUIRED;
 150                 domain = AMDGPU_GEM_DOMAIN_VRAM;
 151                 if (max_offset > adev->mc.real_vram_size)
 152                         return -EINVAL;
 153                 place.fpfn = min_offset >> PAGE_SHIFT;
 154                 place.lpfn = max_offset >> PAGE_SHIFT;
 155                 place.flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
 156                         TTM_PL_FLAG_VRAM;
 157                 break;
 158         case CGS_GPU_MEM_TYPE__INVISIBLE_CONTIG_FB:
 159         case CGS_GPU_MEM_TYPE__INVISIBLE_FB:
 160                 flags = AMDGPU_GEM_CREATE_NO_CPU_ACCESS;
 161                 domain = AMDGPU_GEM_DOMAIN_VRAM;
 162                 if (adev->mc.visible_vram_size < adev->mc.real_vram_size) {
 163                         place.fpfn =
 164                                 max(min_offset, adev->mc.visible_vram_size) >> PAGE_SHIFT;
 165                         place.lpfn =
 166                                 min(max_offset, adev->mc.real_vram_size) >> PAGE_SHIFT;
 167                         place.flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_UNCACHED |
 168                                 TTM_PL_FLAG_VRAM;
 169                 }
 170
 171                 break;
 172         case CGS_GPU_MEM_TYPE__GART_CACHEABLE:
 173                 domain = AMDGPU_GEM_DOMAIN_GTT;
 174                 place.fpfn = min_offset >> PAGE_SHIFT;
 175                 place.lpfn = max_offset >> PAGE_SHIFT;
 176                 place.flags = TTM_PL_FLAG_CACHED | TTM_PL_FLAG_TT;
 177                 break;
 178         case CGS_GPU_MEM_TYPE__GART_WRITECOMBINE:
 179                 flags = AMDGPU_GEM_CREATE_CPU_GTT_USWC;
 180                 domain = AMDGPU_GEM_DOMAIN_GTT;
 181                 place.fpfn = min_offset >> PAGE_SHIFT;
 182                 place.lpfn = max_offset >> PAGE_SHIFT;
 183                 place.flags = TTM_PL_FLAG_WC | TTM_PL_FLAG_TT |
 184                         TTM_PL_FLAG_UNCACHED;
 185                 break;
 186         default:
 187                 return -EINVAL;
 188         }
 189
 190
 191         *handle = 0;
 192
 193         placement.placement = &place;
 194         placement.num_placement = 1;
 195         placement.busy_placement = &place;
 196         placement.num_busy_placement = 1;
 197
 198         ret = amdgpu_bo_create_restricted(adev, size, PAGE_SIZE,
 199                                           true, domain, flags,
 200                                           NULL, &placement, NULL,
 201                                           &obj);
 202         if (ret) {
 203                 DRM_ERROR("(%d) bo create failed\n", ret);
 204                 return ret;
 205         }
 206         *handle = (cgs_handle_t)obj;
 207
 208         return ret;
 209 }
 210
 211 static int amdgpu_cgs_free_gpu_mem(void *cgs_device, cgs_handle_t handle)
 212 {
 213         struct amdgpu_bo *obj = (struct amdgpu_bo *)handle;
 214
 215         if (obj) {
 216                 int r = amdgpu_bo_reserve(obj, false);
 217                 if (likely(r == 0)) {
 218                         amdgpu_bo_kunmap(obj);
 219                         amdgpu_bo_unpin(obj);
 220                         amdgpu_bo_unreserve(obj);
 221                 }
 222                 amdgpu_bo_unref(&obj);
 223
 224         }
 225         return 0;
 226 }
 227
 228 static int amdgpu_cgs_gmap_gpu_mem(void *cgs_device, cgs_handle_t handle,
 229                                    uint64_t *mcaddr)
 230 {
 231         int r;
 232         u64 min_offset, max_offset;
 233         struct amdgpu_bo *obj = (struct amdgpu_bo *)handle;
 234
 235         WARN_ON_ONCE(obj->placement.num_placement > 1);
 236
 237         min_offset = obj->placements[0].fpfn << PAGE_SHIFT;
 238         max_offset = obj->placements[0].lpfn << PAGE_SHIFT;
 239
 240         r = amdgpu_bo_reserve(obj, false);
 241         if (unlikely(r != 0))
 242                 return r;
 243         r = amdgpu_bo_pin_restricted(obj, AMDGPU_GEM_DOMAIN_GTT,
 244                                      min_offset, max_offset, mcaddr);
 245         amdgpu_bo_unreserve(obj);
 246         return r;
 247 }
 248
 249 static int amdgpu_cgs_gunmap_gpu_mem(void *cgs_device, cgs_handle_t handle)
 250 {
 251         int r;
 252         struct amdgpu_bo *obj = (struct amdgpu_bo *)handle;
 253         r = amdgpu_bo_reserve(obj, false);
 254         if (unlikely(r != 0))
 255                 return r;
 256         r = amdgpu_bo_unpin(obj);
 257         amdgpu_bo_unreserve(obj);
 258         return r;
 259 }
 260
 261 static int amdgpu_cgs_kmap_gpu_mem(void *cgs_device, cgs_handle_t handle,
 262                                    void **map)
 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_kmap(obj, map);
 270         amdgpu_bo_unreserve(obj);
 271         return r;
 272 }
 273
 274 static int amdgpu_cgs_kunmap_gpu_mem(void *cgs_device, cgs_handle_t handle)
 275 {
 276         int r;
 277         struct amdgpu_bo *obj = (struct amdgpu_bo *)handle;
 278         r = amdgpu_bo_reserve(obj, false);
 279         if (unlikely(r != 0))
 280                 return r;
 281         amdgpu_bo_kunmap(obj);
 282         amdgpu_bo_unreserve(obj);
 283         return r;
 284 }
 285
 286 static uint32_t amdgpu_cgs_read_register(void *cgs_device, unsigned offset)
 287 {
 288         CGS_FUNC_ADEV;
 289         return RREG32(offset);
 290 }
 291
 292 static void amdgpu_cgs_write_register(void *cgs_device, unsigned offset,
 293                                       uint32_t value)
 294 {
 295         CGS_FUNC_ADEV;
 296         WREG32(offset, value);
 297 }
 298
 299 static uint32_t amdgpu_cgs_read_ind_register(void *cgs_device,
 300                                              enum cgs_ind_reg space,
 301                                              unsigned index)
 302 {
 303         CGS_FUNC_ADEV;
 304         switch (space) {
 305         case CGS_IND_REG__MMIO:
 306                 return RREG32_IDX(index);
 307         case CGS_IND_REG__PCIE:
 308                 return RREG32_PCIE(index);
 309         case CGS_IND_REG__SMC:
 310                 return RREG32_SMC(index);
 311         case CGS_IND_REG__UVD_CTX:
 312                 return RREG32_UVD_CTX(index);
 313         case CGS_IND_REG__DIDT:
 314                 return RREG32_DIDT(index);
 315         case CGS_IND_REG__AUDIO_ENDPT:
 316                 DRM_ERROR("audio endpt register access not implemented.\n");
 317                 return 0;
 318         }
 319         WARN(1, "Invalid indirect register space");
 320         return 0;
 321 }
 322
 323 static void amdgpu_cgs_write_ind_register(void *cgs_device,
 324                                           enum cgs_ind_reg space,
 325                                           unsigned index, uint32_t value)
 326 {
 327         CGS_FUNC_ADEV;
 328         switch (space) {
 329         case CGS_IND_REG__MMIO:
 330                 return WREG32_IDX(index, value);
 331         case CGS_IND_REG__PCIE:
 332                 return WREG32_PCIE(index, value);
 333         case CGS_IND_REG__SMC:
 334                 return WREG32_SMC(index, value);
 335         case CGS_IND_REG__UVD_CTX:
 336                 return WREG32_UVD_CTX(index, value);
 337         case CGS_IND_REG__DIDT:
 338                 return WREG32_DIDT(index, value);
 339         case CGS_IND_REG__AUDIO_ENDPT:
 340                 DRM_ERROR("audio endpt register access not implemented.\n");
 341                 return;
 342         }
 343         WARN(1, "Invalid indirect register space");
 344 }
 345
 346 static uint8_t amdgpu_cgs_read_pci_config_byte(void *cgs_device, unsigned addr)
 347 {
 348         CGS_FUNC_ADEV;
 349         uint8_t val;
 350         int ret = pci_read_config_byte(adev->pdev, addr, &val);
 351         if (WARN(ret, "pci_read_config_byte error"))
 352                 return 0;
 353         return val;
 354 }
 355
 356 static uint16_t amdgpu_cgs_read_pci_config_word(void *cgs_device, unsigned addr)
 357 {
 358         CGS_FUNC_ADEV;
 359         uint16_t val;
 360         int ret = pci_read_config_word(adev->pdev, addr, &val);
 361         if (WARN(ret, "pci_read_config_word error"))
 362                 return 0;
 363         return val;
 364 }
 365
 366 static uint32_t amdgpu_cgs_read_pci_config_dword(void *cgs_device,
 367                                                  unsigned addr)
 368 {
 369         CGS_FUNC_ADEV;
 370         uint32_t val;
 371         int ret = pci_read_config_dword(adev->pdev, addr, &val);
 372         if (WARN(ret, "pci_read_config_dword error"))
 373                 return 0;
 374         return val;
 375 }
 376
 377 static void amdgpu_cgs_write_pci_config_byte(void *cgs_device, unsigned addr,
 378                                              uint8_t value)
 379 {
 380         CGS_FUNC_ADEV;
 381         int ret = pci_write_config_byte(adev->pdev, addr, value);
 382         WARN(ret, "pci_write_config_byte error");
 383 }
 384
 385 static void amdgpu_cgs_write_pci_config_word(void *cgs_device, unsigned addr,
 386                                              uint16_t value)
 387 {
 388         CGS_FUNC_ADEV;
 389         int ret = pci_write_config_word(adev->pdev, addr, value);
 390         WARN(ret, "pci_write_config_word error");
 391 }
 392
 393 static void amdgpu_cgs_write_pci_config_dword(void *cgs_device, unsigned addr,
 394                                               uint32_t value)
 395 {
 396         CGS_FUNC_ADEV;
 397         int ret = pci_write_config_dword(adev->pdev, addr, value);
 398         WARN(ret, "pci_write_config_dword error");
 399 }
 400
 401
 402 static int amdgpu_cgs_get_pci_resource(void *cgs_device,
 403                                        enum cgs_resource_type resource_type,
 404                                        uint64_t size,
 405                                        uint64_t offset,
 406                                        uint64_t *resource_base)
 407 {
 408         CGS_FUNC_ADEV;
 409
 410         if (resource_base == NULL)
 411                 return -EINVAL;
 412
 413         switch (resource_type) {
 414         case CGS_RESOURCE_TYPE_MMIO:
 415                 if (adev->rmmio_size == 0)
 416                         return -ENOENT;
 417                 if ((offset + size) > adev->rmmio_size)
 418                         return -EINVAL;
 419                 *resource_base = adev->rmmio_base;
 420                 return 0;
 421         case CGS_RESOURCE_TYPE_DOORBELL:
 422                 if (adev->doorbell.size == 0)
 423                         return -ENOENT;
 424                 if ((offset + size) > adev->doorbell.size)
 425                         return -EINVAL;
 426                 *resource_base = adev->doorbell.base;
 427                 return 0;
 428         case CGS_RESOURCE_TYPE_FB:
 429         case CGS_RESOURCE_TYPE_IO:
 430         case CGS_RESOURCE_TYPE_ROM:
 431         default:
 432                 return -EINVAL;
 433         }
 434 }
 435
 436 static const void *amdgpu_cgs_atom_get_data_table(void *cgs_device,
 437                                                   unsigned table, uint16_t *size,
 438                                                   uint8_t *frev, uint8_t *crev)
 439 {
 440         CGS_FUNC_ADEV;
 441         uint16_t data_start;
 442
 443         if (amdgpu_atom_parse_data_header(
 444                     adev->mode_info.atom_context, table, size,
 445                     frev, crev, &data_start))
 446                 return (uint8_t*)adev->mode_info.atom_context->bios +
 447                         data_start;
 448
 449         return NULL;
 450 }
 451
 452 static int amdgpu_cgs_atom_get_cmd_table_revs(void *cgs_device, unsigned table,
 453                                               uint8_t *frev, uint8_t *crev)
 454 {
 455         CGS_FUNC_ADEV;
 456
 457         if (amdgpu_atom_parse_cmd_header(
 458                     adev->mode_info.atom_context, table,
 459                     frev, crev))
 460                 return 0;
 461
 462         return -EINVAL;
 463 }
 464
 465 static int amdgpu_cgs_atom_exec_cmd_table(void *cgs_device, unsigned table,
 466                                           void *args)
 467 {
 468         CGS_FUNC_ADEV;
 469
 470         return amdgpu_atom_execute_table(
 471                 adev->mode_info.atom_context, table, args);
 472 }
 473
 474 static int amdgpu_cgs_create_pm_request(void *cgs_device, cgs_handle_t *request)
 475 {
 476         /* TODO */
 477         return 0;
 478 }
 479
 480 static int amdgpu_cgs_destroy_pm_request(void *cgs_device, cgs_handle_t request)
 481 {
 482         /* TODO */
 483         return 0;
 484 }
 485
 486 static int amdgpu_cgs_set_pm_request(void *cgs_device, cgs_handle_t request,
 487                                      int active)
 488 {
 489         /* TODO */
 490         return 0;
 491 }
 492
 493 static int amdgpu_cgs_pm_request_clock(void *cgs_device, cgs_handle_t request,
 494                                        enum cgs_clock clock, unsigned freq)
 495 {
 496         /* TODO */
 497         return 0;
 498 }
 499
 500 static int amdgpu_cgs_pm_request_engine(void *cgs_device, cgs_handle_t request,
 501                                         enum cgs_engine engine, int powered)
 502 {
 503         /* TODO */
 504         return 0;
 505 }
 506
 507
 508
 509 static int amdgpu_cgs_pm_query_clock_limits(void *cgs_device,
 510                                             enum cgs_clock clock,
 511                                             struct cgs_clock_limits *limits)
 512 {
 513         /* TODO */
 514         return 0;
 515 }
 516
 517 static int amdgpu_cgs_set_camera_voltages(void *cgs_device, uint32_t mask,
 518                                           const uint32_t *voltages)
 519 {
 520         DRM_ERROR("not implemented");
 521         return -EPERM;
 522 }
 523
 524 struct cgs_irq_params {
 525         unsigned src_id;
 526         cgs_irq_source_set_func_t set;
 527         cgs_irq_handler_func_t handler;
 528         void *private_data;
 529 };
 530
 531 static int cgs_set_irq_state(struct amdgpu_device *adev,
 532                              struct amdgpu_irq_src *src,
 533                              unsigned type,
 534                              enum amdgpu_interrupt_state state)
 535 {
 536         struct cgs_irq_params *irq_params =
 537                 (struct cgs_irq_params *)src->data;
 538         if (!irq_params)
 539                 return -EINVAL;
 540         if (!irq_params->set)
 541                 return -EINVAL;
 542         return irq_params->set(irq_params->private_data,
 543                                irq_params->src_id,
 544                                type,
 545                                (int)state);
 546 }
 547
 548 static int cgs_process_irq(struct amdgpu_device *adev,
 549                            struct amdgpu_irq_src *source,
 550                            struct amdgpu_iv_entry *entry)
 551 {
 552         struct cgs_irq_params *irq_params =
 553                 (struct cgs_irq_params *)source->data;
 554         if (!irq_params)
 555                 return -EINVAL;
 556         if (!irq_params->handler)
 557                 return -EINVAL;
 558         return irq_params->handler(irq_params->private_data,
 559                                    irq_params->src_id,
 560                                    entry->iv_entry);
 561 }
 562
 563 static const struct amdgpu_irq_src_funcs cgs_irq_funcs = {
 564         .set = cgs_set_irq_state,
 565         .process = cgs_process_irq,
 566 };
 567
 568 static int amdgpu_cgs_add_irq_source(void *cgs_device, unsigned src_id,
 569                                      unsigned num_types,
 570                                      cgs_irq_source_set_func_t set,
 571                                      cgs_irq_handler_func_t handler,
 572                                      void *private_data)
 573 {
 574         CGS_FUNC_ADEV;
 575         int ret = 0;
 576         struct cgs_irq_params *irq_params;
 577         struct amdgpu_irq_src *source =
 578                 kzalloc(sizeof(struct amdgpu_irq_src), GFP_KERNEL);
 579         if (!source)
 580                 return -ENOMEM;
 581         irq_params =
 582                 kzalloc(sizeof(struct cgs_irq_params), GFP_KERNEL);
 583         if (!irq_params) {
 584                 kfree(source);
 585                 return -ENOMEM;
 586         }
 587         source->num_types = num_types;
 588         source->funcs = &cgs_irq_funcs;
 589         irq_params->src_id = src_id;
 590         irq_params->set = set;
 591         irq_params->handler = handler;
 592         irq_params->private_data = private_data;
 593         source->data = (void *)irq_params;
 594         ret = amdgpu_irq_add_id(adev, src_id, source);
 595         if (ret) {
 596                 kfree(irq_params);
 597                 kfree(source);
 598         }
 599
 600         return ret;
 601 }
 602
 603 static int amdgpu_cgs_irq_get(void *cgs_device, unsigned src_id, unsigned type)
 604 {
 605         CGS_FUNC_ADEV;
 606         return amdgpu_irq_get(adev, adev->irq.sources[src_id], type);
 607 }
 608
 609 static int amdgpu_cgs_irq_put(void *cgs_device, unsigned src_id, unsigned type)
 610 {
 611         CGS_FUNC_ADEV;
 612         return amdgpu_irq_put(adev, adev->irq.sources[src_id], type);
 613 }
 614
 615 int amdgpu_cgs_set_clockgating_state(void *cgs_device,
 616                                   enum amd_ip_block_type block_type,
 617                                   enum amd_clockgating_state state)
 618 {
 619         CGS_FUNC_ADEV;
 620         int i, r = -1;
 621
 622         for (i = 0; i < adev->num_ip_blocks; i++) {
 623                 if (!adev->ip_block_status[i].valid)
 624                         continue;
 625
 626                 if (adev->ip_blocks[i].type == block_type) {
 627                         r = adev->ip_blocks[i].funcs->set_clockgating_state(
 628                                                                 (void *)adev,
 629                                                                         state);
 630                         break;
 631                 }
 632         }
 633         return r;
 634 }
 635
 636 int amdgpu_cgs_set_powergating_state(void *cgs_device,
 637                                   enum amd_ip_block_type block_type,
 638                                   enum amd_powergating_state state)
 639 {
 640         CGS_FUNC_ADEV;
 641         int i, r = -1;
 642
 643         for (i = 0; i < adev->num_ip_blocks; i++) {
 644                 if (!adev->ip_block_status[i].valid)
 645                         continue;
 646
 647                 if (adev->ip_blocks[i].type == block_type) {
 648                         r = adev->ip_blocks[i].funcs->set_powergating_state(
 649                                                                 (void *)adev,
 650                                                                         state);
 651                         break;
 652                 }
 653         }
 654         return r;
 655 }
 656
 657
 658 static uint32_t fw_type_convert(void *cgs_device, uint32_t fw_type)
 659 {
 660         CGS_FUNC_ADEV;
 661         enum AMDGPU_UCODE_ID result = AMDGPU_UCODE_ID_MAXIMUM;
 662
 663         switch (fw_type) {
 664         case CGS_UCODE_ID_SDMA0:
 665                 result = AMDGPU_UCODE_ID_SDMA0;
 666                 break;
 667         case CGS_UCODE_ID_SDMA1:
 668                 result = AMDGPU_UCODE_ID_SDMA1;
 669                 break;
 670         case CGS_UCODE_ID_CP_CE:
 671                 result = AMDGPU_UCODE_ID_CP_CE;
 672                 break;
 673         case CGS_UCODE_ID_CP_PFP:
 674                 result = AMDGPU_UCODE_ID_CP_PFP;
 675                 break;
 676         case CGS_UCODE_ID_CP_ME:
 677                 result = AMDGPU_UCODE_ID_CP_ME;
 678                 break;
 679         case CGS_UCODE_ID_CP_MEC:
 680         case CGS_UCODE_ID_CP_MEC_JT1:
 681                 result = AMDGPU_UCODE_ID_CP_MEC1;
 682                 break;
 683         case CGS_UCODE_ID_CP_MEC_JT2:
 684                 if (adev->asic_type == CHIP_TONGA)
 685                         result = AMDGPU_UCODE_ID_CP_MEC2;
 686                 else if (adev->asic_type == CHIP_CARRIZO)
 687                         result = AMDGPU_UCODE_ID_CP_MEC1;
 688                 break;
 689         case CGS_UCODE_ID_RLC_G:
 690                 result = AMDGPU_UCODE_ID_RLC_G;
 691                 break;
 692         default:
 693                 DRM_ERROR("Firmware type not supported\n");
 694         }
 695         return result;
 696 }
 697
 698 static int amdgpu_cgs_get_firmware_info(void *cgs_device,
 699                                         enum cgs_ucode_id type,
 700                                         struct cgs_firmware_info *info)
 701 {
 702         CGS_FUNC_ADEV;
 703
 704         if (CGS_UCODE_ID_SMU != type) {
 705                 uint64_t gpu_addr;
 706                 uint32_t data_size;
 707                 const struct gfx_firmware_header_v1_0 *header;
 708                 enum AMDGPU_UCODE_ID id;
 709                 struct amdgpu_firmware_info *ucode;
 710
 711                 id = fw_type_convert(cgs_device, type);
 712                 ucode = &adev->firmware.ucode[id];
 713                 if (ucode->fw == NULL)
 714                         return -EINVAL;
 715
 716                 gpu_addr  = ucode->mc_addr;
 717                 header = (const struct gfx_firmware_header_v1_0 *)ucode->fw->data;
 718                 data_size = le32_to_cpu(header->header.ucode_size_bytes);
 719
 720                 if ((type == CGS_UCODE_ID_CP_MEC_JT1) ||
 721                     (type == CGS_UCODE_ID_CP_MEC_JT2)) {
 722                         gpu_addr += le32_to_cpu(header->jt_offset) << 2;
 723                         data_size = le32_to_cpu(header->jt_size) << 2;
 724                 }
 725                 info->mc_addr = gpu_addr;
 726                 info->image_size = data_size;
 727                 info->version = (uint16_t)le32_to_cpu(header->header.ucode_version);
 728                 info->feature_version = (uint16_t)le32_to_cpu(header->ucode_feature_version);
 729         } else {
 730                 char fw_name[30] = {0};
 731                 int err = 0;
 732                 uint32_t ucode_size;
 733                 uint32_t ucode_start_address;
 734                 const uint8_t *src;
 735                 const struct smc_firmware_header_v1_0 *hdr;
 736
 737                 switch (adev->asic_type) {
 738                 case CHIP_TONGA:
 739                         strcpy(fw_name, "amdgpu/tonga_smc.bin");
 740                         break;
 741                 case CHIP_FIJI:
 742                         strcpy(fw_name, "amdgpu/fiji_smc.bin");
 743                         break;
 744                 default:
 745                         DRM_ERROR("SMC firmware not supported\n");
 746                         return -EINVAL;
 747                 }
 748
 749                 err = request_firmware(&adev->pm.fw, fw_name, adev->dev);
 750                 if (err) {
 751                         DRM_ERROR("Failed to request firmware\n");
 752                         return err;
 753                 }
 754
 755                 err = amdgpu_ucode_validate(adev->pm.fw);
 756                 if (err) {
 757                         DRM_ERROR("Failed to load firmware \"%s\"", fw_name);
 758                         release_firmware(adev->pm.fw);
 759                         adev->pm.fw = NULL;
 760                         return err;
 761                 }
 762
 763                 hdr = (const struct smc_firmware_header_v1_0 *) adev->pm.fw->data;
 764                 adev->pm.fw_version = le32_to_cpu(hdr->header.ucode_version);
 765                 ucode_size = le32_to_cpu(hdr->header.ucode_size_bytes);
 766                 ucode_start_address = le32_to_cpu(hdr->ucode_start_addr);
 767                 src = (const uint8_t *)(adev->pm.fw->data +
 768                        le32_to_cpu(hdr->header.ucode_array_offset_bytes));
 769
 770                 info->version = adev->pm.fw_version;
 771                 info->image_size = ucode_size;
 772                 info->kptr = (void *)src;
 773         }
 774         return 0;
 775 }
 776
 777 static int amdgpu_cgs_query_system_info(void *cgs_device,
 778                                 struct cgs_system_info *sys_info)
 779 {
 780         CGS_FUNC_ADEV;
 781
 782         if (NULL == sys_info)
 783                 return -ENODEV;
 784
 785         if (sizeof(struct cgs_system_info) != sys_info->size)
 786                 return -ENODEV;
 787
 788         switch (sys_info->info_id) {
 789         case CGS_SYSTEM_INFO_ADAPTER_BDF_ID:
 790                 sys_info->value = adev->pdev->devfn | (adev->pdev->bus->number << 8);
 791                 break;
 792         case CGS_SYSTEM_INFO_PCIE_GEN_INFO:
 793                 sys_info->value = adev->pm.pcie_gen_mask;
 794                 break;
 795         case CGS_SYSTEM_INFO_PCIE_MLW:
 796                 sys_info->value = adev->pm.pcie_mlw_mask;
 797                 break;
 798         case CGS_SYSTEM_INFO_CG_FLAGS:
 799                 sys_info->value = adev->cg_flags;
 800                 break;
 801         case CGS_SYSTEM_INFO_PG_FLAGS:
 802                 sys_info->value = adev->pg_flags;
 803                 break;
 804         default:
 805                 return -ENODEV;
 806         }
 807
 808         return 0;
 809 }
 810
 811 static int amdgpu_cgs_get_active_displays_info(void *cgs_device,
 812                                           struct cgs_display_info *info)
 813 {
 814         CGS_FUNC_ADEV;
 815         struct amdgpu_crtc *amdgpu_crtc;
 816         struct drm_device *ddev = adev->ddev;
 817         struct drm_crtc *crtc;
 818         uint32_t line_time_us, vblank_lines;
 819         struct cgs_mode_info *mode_info;
 820
 821         if (info == NULL)
 822                 return -EINVAL;
 823
 824         mode_info = info->mode_info;
 825
 826         if (adev->mode_info.num_crtc && adev->mode_info.mode_config_initialized) {
 827                 list_for_each_entry(crtc,
 828                                 &ddev->mode_config.crtc_list, head) {
 829                         amdgpu_crtc = to_amdgpu_crtc(crtc);
 830                         if (crtc->enabled) {
 831                                 info->active_display_mask |= (1 << amdgpu_crtc->crtc_id);
 832                                 info->display_count++;
 833                         }
 834                         if (mode_info != NULL &&
 835                                 crtc->enabled && amdgpu_crtc->enabled &&
 836                                 amdgpu_crtc->hw_mode.clock) {
 837                                 line_time_us = (amdgpu_crtc->hw_mode.crtc_htotal * 1000) /
 838                                                         amdgpu_crtc->hw_mode.clock;
 839                                 vblank_lines = amdgpu_crtc->hw_mode.crtc_vblank_end -
 840                                                         amdgpu_crtc->hw_mode.crtc_vdisplay +
 841                                                         (amdgpu_crtc->v_border * 2);
 842                                 mode_info->vblank_time_us = vblank_lines * line_time_us;
 843                                 mode_info->refresh_rate = drm_mode_vrefresh(&amdgpu_crtc->hw_mode);
 844                                 mode_info->ref_clock = adev->clock.spll.reference_freq;
 845                                 mode_info = NULL;
 846                         }
 847                 }
 848         }
 849
 850         return 0;
 851 }
 852
 853
 854 static int amdgpu_cgs_notify_dpm_enabled(void *cgs_device, bool enabled)
 855 {
 856         CGS_FUNC_ADEV;
 857
 858         adev->pm.dpm_enabled = enabled;
 859
 860         return 0;
 861 }
 862
 863 /** \brief evaluate acpi namespace object, handle or pathname must be valid
 864  *  \param cgs_device
 865  *  \param info input/output arguments for the control method
 866  *  \return status
 867  */
 868
 869 #if defined(CONFIG_ACPI)
 870 static int amdgpu_cgs_acpi_eval_object(void *cgs_device,
 871                                     struct cgs_acpi_method_info *info)
 872 {
 873         CGS_FUNC_ADEV;
 874         acpi_handle handle;
 875         struct acpi_object_list input;
 876         struct acpi_buffer output = { ACPI_ALLOCATE_BUFFER, NULL };
 877         union acpi_object *params = NULL;
 878         union acpi_object *obj = NULL;
 879         uint8_t name[5] = {'\0'};
 880         struct cgs_acpi_method_argument *argument = NULL;
 881         uint32_t i, count;
 882         acpi_status status;
 883         int result;
 884         uint32_t func_no = 0xFFFFFFFF;
 885
 886         handle = ACPI_HANDLE(&adev->pdev->dev);
 887         if (!handle)
 888                 return -ENODEV;
 889
 890         memset(&input, 0, sizeof(struct acpi_object_list));
 891
 892         /* validate input info */
 893         if (info->size != sizeof(struct cgs_acpi_method_info))
 894                 return -EINVAL;
 895
 896         input.count = info->input_count;
 897         if (info->input_count > 0) {
 898                 if (info->pinput_argument == NULL)
 899                         return -EINVAL;
 900                 argument = info->pinput_argument;
 901                 func_no = argument->value;
 902                 for (i = 0; i < info->input_count; i++) {
 903                         if (((argument->type == ACPI_TYPE_STRING) ||
 904                              (argument->type == ACPI_TYPE_BUFFER)) &&
 905                             (argument->pointer == NULL))
 906                                 return -EINVAL;
 907                         argument++;
 908                 }
 909         }
 910
 911         if (info->output_count > 0) {
 912                 if (info->poutput_argument == NULL)
 913                         return -EINVAL;
 914                 argument = info->poutput_argument;
 915                 for (i = 0; i < info->output_count; i++) {
 916                         if (((argument->type == ACPI_TYPE_STRING) ||
 917                                 (argument->type == ACPI_TYPE_BUFFER))
 918                                 && (argument->pointer == NULL))
 919                                 return -EINVAL;
 920                         argument++;
 921                 }
 922         }
 923
 924         /* The path name passed to acpi_evaluate_object should be null terminated */
 925         if ((info->field & CGS_ACPI_FIELD_METHOD_NAME) != 0) {
 926                 strncpy(name, (char *)&(info->name), sizeof(uint32_t));
 927                 name[4] = '\0';
 928         }
 929
 930         /* parse input parameters */
 931         if (input.count > 0) {
 932                 input.pointer = params =
 933                                 kzalloc(sizeof(union acpi_object) * input.count, GFP_KERNEL);
 934                 if (params == NULL)
 935                         return -EINVAL;
 936
 937                 argument = info->pinput_argument;
 938
 939                 for (i = 0; i < input.count; i++) {
 940                         params->type = argument->type;
 941                         switch (params->type) {
 942                         case ACPI_TYPE_INTEGER:
 943                                 params->integer.value = argument->value;
 944                                 break;
 945                         case ACPI_TYPE_STRING:
 946                                 params->string.length = argument->method_length;
 947                                 params->string.pointer = argument->pointer;
 948                                 break;
 949                         case ACPI_TYPE_BUFFER:
 950                                 params->buffer.length = argument->method_length;
 951                                 params->buffer.pointer = argument->pointer;
 952                                 break;
 953                         default:
 954                                 break;
 955                         }
 956                         params++;
 957                         argument++;
 958                 }
 959         }
 960
 961         /* parse output info */
 962         count = info->output_count;
 963         argument = info->poutput_argument;
 964
 965         /* evaluate the acpi method */
 966         status = acpi_evaluate_object(handle, name, &input, &output);
 967
 968         if (ACPI_FAILURE(status)) {
 969                 result = -EIO;
 970                 goto error;
 971         }
 972
 973         /* return the output info */
 974         obj = output.pointer;
 975
 976         if (count > 1) {
 977                 if ((obj->type != ACPI_TYPE_PACKAGE) ||
 978                         (obj->package.count != count)) {
 979                         result = -EIO;
 980                         goto error;
 981                 }
 982                 params = obj->package.elements;
 983         } else
 984                 params = obj;
 985
 986         if (params == NULL) {
 987                 result = -EIO;
 988                 goto error;
 989         }
 990
 991         for (i = 0; i < count; i++) {
 992                 if (argument->type != params->type) {
 993                         result = -EIO;
 994                         goto error;
 995                 }
 996                 switch (params->type) {
 997                 case ACPI_TYPE_INTEGER:
 998                         argument->value = params->integer.value;
 999                         break;
1000                 case ACPI_TYPE_STRING:
1001                         if ((params->string.length != argument->data_length) ||
1002                                 (params->string.pointer == NULL)) {
1003                                 result = -EIO;
1004                                 goto error;
1005                         }
1006                         strncpy(argument->pointer,
1007                                 params->string.pointer,
1008                                 params->string.length);
1009                         break;
1010                 case ACPI_TYPE_BUFFER:
1011                         if (params->buffer.pointer == NULL) {
1012                                 result = -EIO;
1013                                 goto error;
1014                         }
1015                         memcpy(argument->pointer,
1016                                 params->buffer.pointer,
1017                                 argument->data_length);
1018                         break;
1019                 default:
1020                         break;
1021                 }
1022                 argument++;
1023                 params++;
1024         }
1025
1026 error:
1027         if (obj != NULL)
1028                 kfree(obj);
1029         kfree((void *)input.pointer);
1030         return result;
1031 }
1032 #else
1033 static int amdgpu_cgs_acpi_eval_object(void *cgs_device,
1034                                 struct cgs_acpi_method_info *info)
1035 {
1036         return -EIO;
1037 }
1038 #endif
1039
1040 int amdgpu_cgs_call_acpi_method(void *cgs_device,
1041                                         uint32_t acpi_method,
1042                                         uint32_t acpi_function,
1043                                         void *pinput, void *poutput,
1044                                         uint32_t output_count,
1045                                         uint32_t input_size,
1046                                         uint32_t output_size)
1047 {
1048         struct cgs_acpi_method_argument acpi_input[2] = { {0}, {0} };
1049         struct cgs_acpi_method_argument acpi_output = {0};
1050         struct cgs_acpi_method_info info = {0};
1051
1052         acpi_input[0].type = CGS_ACPI_TYPE_INTEGER;
1053         acpi_input[0].method_length = sizeof(uint32_t);
1054         acpi_input[0].data_length = sizeof(uint32_t);
1055         acpi_input[0].value = acpi_function;
1056
1057         acpi_input[1].type = CGS_ACPI_TYPE_BUFFER;
1058         acpi_input[1].method_length = CGS_ACPI_MAX_BUFFER_SIZE;
1059         acpi_input[1].data_length = input_size;
1060         acpi_input[1].pointer = pinput;
1061
1062         acpi_output.type = CGS_ACPI_TYPE_BUFFER;
1063         acpi_output.method_length = CGS_ACPI_MAX_BUFFER_SIZE;
1064         acpi_output.data_length = output_size;
1065         acpi_output.pointer = poutput;
1066
1067         info.size = sizeof(struct cgs_acpi_method_info);
1068         info.field = CGS_ACPI_FIELD_METHOD_NAME | CGS_ACPI_FIELD_INPUT_ARGUMENT_COUNT;
1069         info.input_count = 2;
1070         info.name = acpi_method;
1071         info.pinput_argument = acpi_input;
1072         info.output_count = output_count;
1073         info.poutput_argument = &acpi_output;
1074
1075         return amdgpu_cgs_acpi_eval_object(cgs_device, &info);
1076 }
1077
1078 static const struct cgs_ops amdgpu_cgs_ops = {
1079         amdgpu_cgs_gpu_mem_info,
1080         amdgpu_cgs_gmap_kmem,
1081         amdgpu_cgs_gunmap_kmem,
1082         amdgpu_cgs_alloc_gpu_mem,
1083         amdgpu_cgs_free_gpu_mem,
1084         amdgpu_cgs_gmap_gpu_mem,
1085         amdgpu_cgs_gunmap_gpu_mem,
1086         amdgpu_cgs_kmap_gpu_mem,
1087         amdgpu_cgs_kunmap_gpu_mem,
1088         amdgpu_cgs_read_register,
1089         amdgpu_cgs_write_register,
1090         amdgpu_cgs_read_ind_register,
1091         amdgpu_cgs_write_ind_register,
1092         amdgpu_cgs_read_pci_config_byte,
1093         amdgpu_cgs_read_pci_config_word,
1094         amdgpu_cgs_read_pci_config_dword,
1095         amdgpu_cgs_write_pci_config_byte,
1096         amdgpu_cgs_write_pci_config_word,
1097         amdgpu_cgs_write_pci_config_dword,
1098         amdgpu_cgs_get_pci_resource,
1099         amdgpu_cgs_atom_get_data_table,
1100         amdgpu_cgs_atom_get_cmd_table_revs,
1101         amdgpu_cgs_atom_exec_cmd_table,
1102         amdgpu_cgs_create_pm_request,
1103         amdgpu_cgs_destroy_pm_request,
1104         amdgpu_cgs_set_pm_request,
1105         amdgpu_cgs_pm_request_clock,
1106         amdgpu_cgs_pm_request_engine,
1107         amdgpu_cgs_pm_query_clock_limits,
1108         amdgpu_cgs_set_camera_voltages,
1109         amdgpu_cgs_get_firmware_info,
1110         amdgpu_cgs_set_powergating_state,
1111         amdgpu_cgs_set_clockgating_state,
1112         amdgpu_cgs_get_active_displays_info,
1113         amdgpu_cgs_notify_dpm_enabled,
1114         amdgpu_cgs_call_acpi_method,
1115         amdgpu_cgs_query_system_info,
1116 };
1117
1118 static const struct cgs_os_ops amdgpu_cgs_os_ops = {
1119         amdgpu_cgs_add_irq_source,
1120         amdgpu_cgs_irq_get,
1121         amdgpu_cgs_irq_put
1122 };
1123
1124 void *amdgpu_cgs_create_device(struct amdgpu_device *adev)
1125 {
1126         struct amdgpu_cgs_device *cgs_device =
1127                 kmalloc(sizeof(*cgs_device), GFP_KERNEL);
1128
1129         if (!cgs_device) {
1130                 DRM_ERROR("Couldn't allocate CGS device structure\n");
1131                 return NULL;
1132         }
1133
1134         cgs_device->base.ops = &amdgpu_cgs_ops;
1135         cgs_device->base.os_ops = &amdgpu_cgs_os_ops;
1136         cgs_device->adev = adev;
1137
1138         return cgs_device;
1139 }
1140
1141 void amdgpu_cgs_destroy_device(void *cgs_device)
1142 {
1143         kfree(cgs_device);
1144 }