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

   1 /*
   2  * Copyright 2016 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 <drm/amdgpu_drm.h>
  25 #include "amdgpu.h"
  26 #include "atomfirmware.h"
  27 #include "amdgpu_atomfirmware.h"
  28 #include "atom.h"
  29 #include "atombios.h"
  30 #include "soc15_hw_ip.h"
  31
  32 union firmware_info {
  33         struct atom_firmware_info_v3_1 v31;
  34         struct atom_firmware_info_v3_2 v32;
  35         struct atom_firmware_info_v3_3 v33;
  36         struct atom_firmware_info_v3_4 v34;
  37 };
  38
  39 /*
  40  * Helper function to query firmware capability
  41  *
  42  * @adev: amdgpu_device pointer
  43  *
  44  * Return firmware_capability in firmwareinfo table on success or 0 if not
  45  */
  46 uint32_t amdgpu_atomfirmware_query_firmware_capability(struct amdgpu_device *adev)
  47 {
  48         struct amdgpu_mode_info *mode_info = &adev->mode_info;
  49         int index;
  50         u16 data_offset, size;
  51         union firmware_info *firmware_info;
  52         u8 frev, crev;
  53         u32 fw_cap = 0;
  54
  55         index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
  56                         firmwareinfo);
  57
  58         if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context,
  59                                 index, &size, &frev, &crev, &data_offset)) {
  60                 /* support firmware_info 3.1 + */
  61                 if ((frev == 3 && crev >=1) || (frev > 3)) {
  62                         firmware_info = (union firmware_info *)
  63                                 (mode_info->atom_context->bios + data_offset);
  64                         fw_cap = le32_to_cpu(firmware_info->v31.firmware_capability);
  65                 }
  66         }
  67
  68         return fw_cap;
  69 }
  70
  71 /*
  72  * Helper function to query gpu virtualizaiton capability
  73  *
  74  * @adev: amdgpu_device pointer
  75  *
  76  * Return true if gpu virtualization is supported or false if not
  77  */
  78 bool amdgpu_atomfirmware_gpu_virtualization_supported(struct amdgpu_device *adev)
  79 {
  80         u32 fw_cap;
  81
  82         fw_cap = adev->mode_info.firmware_flags;
  83
  84         return (fw_cap & ATOM_FIRMWARE_CAP_GPU_VIRTUALIZATION) ? true : false;
  85 }
  86
  87 void amdgpu_atomfirmware_scratch_regs_init(struct amdgpu_device *adev)
  88 {
  89         int index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
  90                                                 firmwareinfo);
  91         uint16_t data_offset;
  92
  93         if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context, index, NULL,
  94                                           NULL, NULL, &data_offset)) {
  95                 struct atom_firmware_info_v3_1 *firmware_info =
  96                         (struct atom_firmware_info_v3_1 *)(adev->mode_info.atom_context->bios +
  97                                                            data_offset);
  98
  99                 adev->bios_scratch_reg_offset =
 100                         le32_to_cpu(firmware_info->bios_scratch_reg_startaddr);
 101         }
 102 }
 103
 104 static int amdgpu_atomfirmware_allocate_fb_v2_1(struct amdgpu_device *adev,
 105         struct vram_usagebyfirmware_v2_1 *fw_usage, int *usage_bytes)
 106 {
 107         u32 start_addr, fw_size, drv_size;
 108
 109         start_addr = le32_to_cpu(fw_usage->start_address_in_kb);
 110         fw_size = le16_to_cpu(fw_usage->used_by_firmware_in_kb);
 111         drv_size = le16_to_cpu(fw_usage->used_by_driver_in_kb);
 112
 113         DRM_DEBUG("atom firmware v2_1 requested %08x %dkb fw %dkb drv\n",
 114                           start_addr,
 115                           fw_size,
 116                           drv_size);
 117
 118         if ((start_addr & ATOM_VRAM_OPERATION_FLAGS_MASK) ==
 119                 (u32)(ATOM_VRAM_BLOCK_SRIOV_MSG_SHARE_RESERVATION <<
 120                 ATOM_VRAM_OPERATION_FLAGS_SHIFT)) {
 121                 /* Firmware request VRAM reservation for SR-IOV */
 122                 adev->mman.fw_vram_usage_start_offset = (start_addr &
 123                         (~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10;
 124                 adev->mman.fw_vram_usage_size = fw_size << 10;
 125                 /* Use the default scratch size */
 126                 *usage_bytes = 0;
 127         } else {
 128                 *usage_bytes = drv_size << 10;
 129         }
 130         return 0;
 131 }
 132
 133 static int amdgpu_atomfirmware_allocate_fb_v2_2(struct amdgpu_device *adev,
 134                 struct vram_usagebyfirmware_v2_2 *fw_usage, int *usage_bytes)
 135 {
 136         u32 fw_start_addr, fw_size, drv_start_addr, drv_size;
 137
 138         fw_start_addr = le32_to_cpu(fw_usage->fw_region_start_address_in_kb);
 139         fw_size = le16_to_cpu(fw_usage->used_by_firmware_in_kb);
 140
 141         drv_start_addr = le32_to_cpu(fw_usage->driver_region0_start_address_in_kb);
 142         drv_size = le32_to_cpu(fw_usage->used_by_driver_region0_in_kb);
 143
 144         DRM_DEBUG("atom requested fw start at %08x %dkb and drv start at %08x %dkb\n",
 145                           fw_start_addr,
 146                           fw_size,
 147                           drv_start_addr,
 148                           drv_size);
 149
 150         if (amdgpu_sriov_vf(adev) &&
 151             ((fw_start_addr & (ATOM_VRAM_BLOCK_NEEDS_NO_RESERVATION <<
 152                 ATOM_VRAM_OPERATION_FLAGS_SHIFT)) == 0)) {
 153                 /* Firmware request VRAM reservation for SR-IOV */
 154                 adev->mman.fw_vram_usage_start_offset = (fw_start_addr &
 155                         (~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10;
 156                 adev->mman.fw_vram_usage_size = fw_size << 10;
 157         }
 158
 159         if (amdgpu_sriov_vf(adev) &&
 160             ((drv_start_addr & (ATOM_VRAM_BLOCK_NEEDS_NO_RESERVATION <<
 161                 ATOM_VRAM_OPERATION_FLAGS_SHIFT)) == 0)) {
 162                 /* driver request VRAM reservation for SR-IOV */
 163                 adev->mman.drv_vram_usage_start_offset = (drv_start_addr &
 164                         (~ATOM_VRAM_OPERATION_FLAGS_MASK)) << 10;
 165                 adev->mman.drv_vram_usage_size = drv_size << 10;
 166         }
 167
 168         *usage_bytes = 0;
 169         return 0;
 170 }
 171
 172 int amdgpu_atomfirmware_allocate_fb_scratch(struct amdgpu_device *adev)
 173 {
 174         struct atom_context *ctx = adev->mode_info.atom_context;
 175         int index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 176                                                 vram_usagebyfirmware);
 177         struct vram_usagebyfirmware_v2_1 *fw_usage_v2_1;
 178         struct vram_usagebyfirmware_v2_2 *fw_usage_v2_2;
 179         u16 data_offset;
 180         u8 frev, crev;
 181         int usage_bytes = 0;
 182
 183         if (amdgpu_atom_parse_data_header(ctx, index, NULL, &frev, &crev, &data_offset)) {
 184                 if (frev == 2 && crev == 1) {
 185                         fw_usage_v2_1 =
 186                                 (struct vram_usagebyfirmware_v2_1 *)(ctx->bios + data_offset);
 187                         amdgpu_atomfirmware_allocate_fb_v2_1(adev,
 188                                         fw_usage_v2_1,
 189                                         &usage_bytes);
 190                 } else if (frev >= 2 && crev >= 2) {
 191                         fw_usage_v2_2 =
 192                                 (struct vram_usagebyfirmware_v2_2 *)(ctx->bios + data_offset);
 193                         amdgpu_atomfirmware_allocate_fb_v2_2(adev,
 194                                         fw_usage_v2_2,
 195                                         &usage_bytes);
 196                 }
 197         }
 198
 199         ctx->scratch_size_bytes = 0;
 200         if (usage_bytes == 0)
 201                 usage_bytes = 20 * 1024;
 202         /* allocate some scratch memory */
 203         ctx->scratch = kzalloc(usage_bytes, GFP_KERNEL);
 204         if (!ctx->scratch)
 205                 return -ENOMEM;
 206         ctx->scratch_size_bytes = usage_bytes;
 207         return 0;
 208 }
 209
 210 union igp_info {
 211         struct atom_integrated_system_info_v1_11 v11;
 212         struct atom_integrated_system_info_v1_12 v12;
 213         struct atom_integrated_system_info_v2_1 v21;
 214 };
 215
 216 union umc_info {
 217         struct atom_umc_info_v3_1 v31;
 218         struct atom_umc_info_v3_2 v32;
 219         struct atom_umc_info_v3_3 v33;
 220 };
 221
 222 union vram_info {
 223         struct atom_vram_info_header_v2_3 v23;
 224         struct atom_vram_info_header_v2_4 v24;
 225         struct atom_vram_info_header_v2_5 v25;
 226         struct atom_vram_info_header_v2_6 v26;
 227         struct atom_vram_info_header_v3_0 v30;
 228 };
 229
 230 union vram_module {
 231         struct atom_vram_module_v9 v9;
 232         struct atom_vram_module_v10 v10;
 233         struct atom_vram_module_v11 v11;
 234         struct atom_vram_module_v3_0 v30;
 235 };
 236
 237 static int convert_atom_mem_type_to_vram_type(struct amdgpu_device *adev,
 238                                               int atom_mem_type)
 239 {
 240         int vram_type;
 241
 242         if (adev->flags & AMD_IS_APU) {
 243                 switch (atom_mem_type) {
 244                 case Ddr2MemType:
 245                 case LpDdr2MemType:
 246                         vram_type = AMDGPU_VRAM_TYPE_DDR2;
 247                         break;
 248                 case Ddr3MemType:
 249                 case LpDdr3MemType:
 250                         vram_type = AMDGPU_VRAM_TYPE_DDR3;
 251                         break;
 252                 case Ddr4MemType:
 253                         vram_type = AMDGPU_VRAM_TYPE_DDR4;
 254                         break;
 255                 case LpDdr4MemType:
 256                         vram_type = AMDGPU_VRAM_TYPE_LPDDR4;
 257                         break;
 258                 case Ddr5MemType:
 259                         vram_type = AMDGPU_VRAM_TYPE_DDR5;
 260                         break;
 261                 case LpDdr5MemType:
 262                         vram_type = AMDGPU_VRAM_TYPE_LPDDR5;
 263                         break;
 264                 default:
 265                         vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
 266                         break;
 267                 }
 268         } else {
 269                 switch (atom_mem_type) {
 270                 case ATOM_DGPU_VRAM_TYPE_GDDR5:
 271                         vram_type = AMDGPU_VRAM_TYPE_GDDR5;
 272                         break;
 273                 case ATOM_DGPU_VRAM_TYPE_HBM2:
 274                 case ATOM_DGPU_VRAM_TYPE_HBM2E:
 275                 case ATOM_DGPU_VRAM_TYPE_HBM3:
 276                         vram_type = AMDGPU_VRAM_TYPE_HBM;
 277                         break;
 278                 case ATOM_DGPU_VRAM_TYPE_GDDR6:
 279                         vram_type = AMDGPU_VRAM_TYPE_GDDR6;
 280                         break;
 281                 default:
 282                         vram_type = AMDGPU_VRAM_TYPE_UNKNOWN;
 283                         break;
 284                 }
 285         }
 286
 287         return vram_type;
 288 }
 289
 290
 291 int
 292 amdgpu_atomfirmware_get_vram_info(struct amdgpu_device *adev,
 293                                   int *vram_width, int *vram_type,
 294                                   int *vram_vendor)
 295 {
 296         struct amdgpu_mode_info *mode_info = &adev->mode_info;
 297         int index, i = 0;
 298         u16 data_offset, size;
 299         union igp_info *igp_info;
 300         union vram_info *vram_info;
 301         union vram_module *vram_module;
 302         u8 frev, crev;
 303         u8 mem_type;
 304         u8 mem_vendor;
 305         u32 mem_channel_number;
 306         u32 mem_channel_width;
 307         u32 module_id;
 308
 309         if (adev->flags & AMD_IS_APU)
 310                 index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 311                                                     integratedsysteminfo);
 312         else
 313                 index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 314                                                     vram_info);
 315
 316         if (amdgpu_atom_parse_data_header(mode_info->atom_context,
 317                                           index, &size,
 318                                           &frev, &crev, &data_offset)) {
 319                 if (adev->flags & AMD_IS_APU) {
 320                         igp_info = (union igp_info *)
 321                                 (mode_info->atom_context->bios + data_offset);
 322                         switch (frev) {
 323                         case 1:
 324                                 switch (crev) {
 325                                 case 11:
 326                                 case 12:
 327                                         mem_channel_number = igp_info->v11.umachannelnumber;
 328                                         if (!mem_channel_number)
 329                                                 mem_channel_number = 1;
 330                                         mem_type = igp_info->v11.memorytype;
 331                                         if (mem_type == LpDdr5MemType)
 332                                                 mem_channel_width = 32;
 333                                         else
 334                                                 mem_channel_width = 64;
 335                                         if (vram_width)
 336                                                 *vram_width = mem_channel_number * mem_channel_width;
 337                                         if (vram_type)
 338                                                 *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
 339                                         break;
 340                                 default:
 341                                         return -EINVAL;
 342                                 }
 343                                 break;
 344                         case 2:
 345                                 switch (crev) {
 346                                 case 1:
 347                                 case 2:
 348                                         mem_channel_number = igp_info->v21.umachannelnumber;
 349                                         if (!mem_channel_number)
 350                                                 mem_channel_number = 1;
 351                                         mem_type = igp_info->v21.memorytype;
 352                                         if (mem_type == LpDdr5MemType)
 353                                                 mem_channel_width = 32;
 354                                         else
 355                                                 mem_channel_width = 64;
 356                                         if (vram_width)
 357                                                 *vram_width = mem_channel_number * mem_channel_width;
 358                                         if (vram_type)
 359                                                 *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
 360                                         break;
 361                                 default:
 362                                         return -EINVAL;
 363                                 }
 364                                 break;
 365                         default:
 366                                 return -EINVAL;
 367                         }
 368                 } else {
 369                         vram_info = (union vram_info *)
 370                                 (mode_info->atom_context->bios + data_offset);
 371                         module_id = (RREG32(adev->bios_scratch_reg_offset + 4) & 0x00ff0000) >> 16;
 372                         if (frev == 3) {
 373                                 switch (crev) {
 374                                 /* v30 */
 375                                 case 0:
 376                                         vram_module = (union vram_module *)vram_info->v30.vram_module;
 377                                         mem_vendor = (vram_module->v30.dram_vendor_id) & 0xF;
 378                                         if (vram_vendor)
 379                                                 *vram_vendor = mem_vendor;
 380                                         mem_type = vram_info->v30.memory_type;
 381                                         if (vram_type)
 382                                                 *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
 383                                         mem_channel_number = vram_info->v30.channel_num;
 384                                         mem_channel_width = vram_info->v30.channel_width;
 385                                         if (vram_width)
 386                                                 *vram_width = mem_channel_number * (1 << mem_channel_width);
 387                                         break;
 388                                 default:
 389                                         return -EINVAL;
 390                                 }
 391                         } else if (frev == 2) {
 392                                 switch (crev) {
 393                                 /* v23 */
 394                                 case 3:
 395                                         if (module_id > vram_info->v23.vram_module_num)
 396                                                 module_id = 0;
 397                                         vram_module = (union vram_module *)vram_info->v23.vram_module;
 398                                         while (i < module_id) {
 399                                                 vram_module = (union vram_module *)
 400                                                         ((u8 *)vram_module + vram_module->v9.vram_module_size);
 401                                                 i++;
 402                                         }
 403                                         mem_type = vram_module->v9.memory_type;
 404                                         if (vram_type)
 405                                                 *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
 406                                         mem_channel_number = vram_module->v9.channel_num;
 407                                         mem_channel_width = vram_module->v9.channel_width;
 408                                         if (vram_width)
 409                                                 *vram_width = mem_channel_number * (1 << mem_channel_width);
 410                                         mem_vendor = (vram_module->v9.vender_rev_id) & 0xF;
 411                                         if (vram_vendor)
 412                                                 *vram_vendor = mem_vendor;
 413                                         break;
 414                                 /* v24 */
 415                                 case 4:
 416                                         if (module_id > vram_info->v24.vram_module_num)
 417                                                 module_id = 0;
 418                                         vram_module = (union vram_module *)vram_info->v24.vram_module;
 419                                         while (i < module_id) {
 420                                                 vram_module = (union vram_module *)
 421                                                         ((u8 *)vram_module + vram_module->v10.vram_module_size);
 422                                                 i++;
 423                                         }
 424                                         mem_type = vram_module->v10.memory_type;
 425                                         if (vram_type)
 426                                                 *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
 427                                         mem_channel_number = vram_module->v10.channel_num;
 428                                         mem_channel_width = vram_module->v10.channel_width;
 429                                         if (vram_width)
 430                                                 *vram_width = mem_channel_number * (1 << mem_channel_width);
 431                                         mem_vendor = (vram_module->v10.vender_rev_id) & 0xF;
 432                                         if (vram_vendor)
 433                                                 *vram_vendor = mem_vendor;
 434                                         break;
 435                                 /* v25 */
 436                                 case 5:
 437                                         if (module_id > vram_info->v25.vram_module_num)
 438                                                 module_id = 0;
 439                                         vram_module = (union vram_module *)vram_info->v25.vram_module;
 440                                         while (i < module_id) {
 441                                                 vram_module = (union vram_module *)
 442                                                         ((u8 *)vram_module + vram_module->v11.vram_module_size);
 443                                                 i++;
 444                                         }
 445                                         mem_type = vram_module->v11.memory_type;
 446                                         if (vram_type)
 447                                                 *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
 448                                         mem_channel_number = vram_module->v11.channel_num;
 449                                         mem_channel_width = vram_module->v11.channel_width;
 450                                         if (vram_width)
 451                                                 *vram_width = mem_channel_number * (1 << mem_channel_width);
 452                                         mem_vendor = (vram_module->v11.vender_rev_id) & 0xF;
 453                                         if (vram_vendor)
 454                                                 *vram_vendor = mem_vendor;
 455                                         break;
 456                                 /* v26 */
 457                                 case 6:
 458                                         if (module_id > vram_info->v26.vram_module_num)
 459                                                 module_id = 0;
 460                                         vram_module = (union vram_module *)vram_info->v26.vram_module;
 461                                         while (i < module_id) {
 462                                                 vram_module = (union vram_module *)
 463                                                         ((u8 *)vram_module + vram_module->v9.vram_module_size);
 464                                                 i++;
 465                                         }
 466                                         mem_type = vram_module->v9.memory_type;
 467                                         if (vram_type)
 468                                                 *vram_type = convert_atom_mem_type_to_vram_type(adev, mem_type);
 469                                         mem_channel_number = vram_module->v9.channel_num;
 470                                         mem_channel_width = vram_module->v9.channel_width;
 471                                         if (vram_width)
 472                                                 *vram_width = mem_channel_number * (1 << mem_channel_width);
 473                                         mem_vendor = (vram_module->v9.vender_rev_id) & 0xF;
 474                                         if (vram_vendor)
 475                                                 *vram_vendor = mem_vendor;
 476                                         break;
 477                                 default:
 478                                         return -EINVAL;
 479                                 }
 480                         } else {
 481                                 /* invalid frev */
 482                                 return -EINVAL;
 483                         }
 484                 }
 485
 486         }
 487
 488         return 0;
 489 }
 490
 491 /*
 492  * Return true if vbios enabled ecc by default, if umc info table is available
 493  * or false if ecc is not enabled or umc info table is not available
 494  */
 495 bool amdgpu_atomfirmware_mem_ecc_supported(struct amdgpu_device *adev)
 496 {
 497         struct amdgpu_mode_info *mode_info = &adev->mode_info;
 498         int index;
 499         u16 data_offset, size;
 500         union umc_info *umc_info;
 501         u8 frev, crev;
 502         bool ecc_default_enabled = false;
 503         u8 umc_config;
 504         u32 umc_config1;
 505
 506         index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 507                         umc_info);
 508
 509         if (amdgpu_atom_parse_data_header(mode_info->atom_context,
 510                                 index, &size, &frev, &crev, &data_offset)) {
 511                 if (frev == 3) {
 512                         umc_info = (union umc_info *)
 513                                 (mode_info->atom_context->bios + data_offset);
 514                         switch (crev) {
 515                         case 1:
 516                                 umc_config = le32_to_cpu(umc_info->v31.umc_config);
 517                                 ecc_default_enabled =
 518                                         (umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false;
 519                                 break;
 520                         case 2:
 521                                 umc_config = le32_to_cpu(umc_info->v32.umc_config);
 522                                 ecc_default_enabled =
 523                                         (umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ? true : false;
 524                                 break;
 525                         case 3:
 526                                 umc_config = le32_to_cpu(umc_info->v33.umc_config);
 527                                 umc_config1 = le32_to_cpu(umc_info->v33.umc_config1);
 528                                 ecc_default_enabled =
 529                                         ((umc_config & UMC_CONFIG__DEFAULT_MEM_ECC_ENABLE) ||
 530                                          (umc_config1 & UMC_CONFIG1__ENABLE_ECC_CAPABLE)) ? true : false;
 531                                 break;
 532                         default:
 533                                 /* unsupported crev */
 534                                 return false;
 535                         }
 536                 }
 537         }
 538
 539         return ecc_default_enabled;
 540 }
 541
 542 /*
 543  * Helper function to query sram ecc capablity
 544  *
 545  * @adev: amdgpu_device pointer
 546  *
 547  * Return true if vbios supports sram ecc or false if not
 548  */
 549 bool amdgpu_atomfirmware_sram_ecc_supported(struct amdgpu_device *adev)
 550 {
 551         u32 fw_cap;
 552
 553         fw_cap = adev->mode_info.firmware_flags;
 554
 555         return (fw_cap & ATOM_FIRMWARE_CAP_SRAM_ECC) ? true : false;
 556 }
 557
 558 /*
 559  * Helper function to query dynamic boot config capability
 560  *
 561  * @adev: amdgpu_device pointer
 562  *
 563  * Return true if vbios supports dynamic boot config or false if not
 564  */
 565 bool amdgpu_atomfirmware_dynamic_boot_config_supported(struct amdgpu_device *adev)
 566 {
 567         u32 fw_cap;
 568
 569         fw_cap = adev->mode_info.firmware_flags;
 570
 571         return (fw_cap & ATOM_FIRMWARE_CAP_DYNAMIC_BOOT_CFG_ENABLE) ? true : false;
 572 }
 573
 574 /**
 575  * amdgpu_atomfirmware_ras_rom_addr -- Get the RAS EEPROM addr from VBIOS
 576  * @adev: amdgpu_device pointer
 577  * @i2c_address: pointer to u8; if not NULL, will contain
 578  *    the RAS EEPROM address if the function returns true
 579  *
 580  * Return true if VBIOS supports RAS EEPROM address reporting,
 581  * else return false. If true and @i2c_address is not NULL,
 582  * will contain the RAS ROM address.
 583  */
 584 bool amdgpu_atomfirmware_ras_rom_addr(struct amdgpu_device *adev,
 585                                       u8 *i2c_address)
 586 {
 587         struct amdgpu_mode_info *mode_info = &adev->mode_info;
 588         int index;
 589         u16 data_offset, size;
 590         union firmware_info *firmware_info;
 591         u8 frev, crev;
 592
 593         index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 594                                             firmwareinfo);
 595
 596         if (amdgpu_atom_parse_data_header(adev->mode_info.atom_context,
 597                                           index, &size, &frev, &crev,
 598                                           &data_offset)) {
 599                 /* support firmware_info 3.4 + */
 600                 if ((frev == 3 && crev >=4) || (frev > 3)) {
 601                         firmware_info = (union firmware_info *)
 602                                 (mode_info->atom_context->bios + data_offset);
 603                         /* The ras_rom_i2c_slave_addr should ideally
 604                          * be a 19-bit EEPROM address, which would be
 605                          * used as is by the driver; see top of
 606                          * amdgpu_eeprom.c.
 607                          *
 608                          * When this is the case, 0 is of course a
 609                          * valid RAS EEPROM address, in which case,
 610                          * we'll drop the first "if (firm...)" and only
 611                          * leave the check for the pointer.
 612                          *
 613                          * The reason this works right now is because
 614                          * ras_rom_i2c_slave_addr contains the EEPROM
 615                          * device type qualifier 1010b in the top 4
 616                          * bits.
 617                          */
 618                         if (firmware_info->v34.ras_rom_i2c_slave_addr) {
 619                                 if (i2c_address)
 620                                         *i2c_address = firmware_info->v34.ras_rom_i2c_slave_addr;
 621                                 return true;
 622                         }
 623                 }
 624         }
 625
 626         return false;
 627 }
 628
 629
 630 union smu_info {
 631         struct atom_smu_info_v3_1 v31;
 632         struct atom_smu_info_v4_0 v40;
 633 };
 634
 635 union gfx_info {
 636         struct atom_gfx_info_v2_2 v22;
 637         struct atom_gfx_info_v2_4 v24;
 638         struct atom_gfx_info_v2_7 v27;
 639         struct atom_gfx_info_v3_0 v30;
 640 };
 641
 642 int amdgpu_atomfirmware_get_clock_info(struct amdgpu_device *adev)
 643 {
 644         struct amdgpu_mode_info *mode_info = &adev->mode_info;
 645         struct amdgpu_pll *spll = &adev->clock.spll;
 646         struct amdgpu_pll *mpll = &adev->clock.mpll;
 647         uint8_t frev, crev;
 648         uint16_t data_offset;
 649         int ret = -EINVAL, index;
 650
 651         index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 652                                             firmwareinfo);
 653         if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
 654                                    &frev, &crev, &data_offset)) {
 655                 union firmware_info *firmware_info =
 656                         (union firmware_info *)(mode_info->atom_context->bios +
 657                                                 data_offset);
 658
 659                 adev->clock.default_sclk =
 660                         le32_to_cpu(firmware_info->v31.bootup_sclk_in10khz);
 661                 adev->clock.default_mclk =
 662                         le32_to_cpu(firmware_info->v31.bootup_mclk_in10khz);
 663
 664                 adev->pm.current_sclk = adev->clock.default_sclk;
 665                 adev->pm.current_mclk = adev->clock.default_mclk;
 666
 667                 ret = 0;
 668         }
 669
 670         index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 671                                             smu_info);
 672         if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
 673                                    &frev, &crev, &data_offset)) {
 674                 union smu_info *smu_info =
 675                         (union smu_info *)(mode_info->atom_context->bios +
 676                                            data_offset);
 677
 678                 /* system clock */
 679                 if (frev == 3)
 680                         spll->reference_freq = le32_to_cpu(smu_info->v31.core_refclk_10khz);
 681                 else if (frev == 4)
 682                         spll->reference_freq = le32_to_cpu(smu_info->v40.core_refclk_10khz);
 683
 684                 spll->reference_div = 0;
 685                 spll->min_post_div = 1;
 686                 spll->max_post_div = 1;
 687                 spll->min_ref_div = 2;
 688                 spll->max_ref_div = 0xff;
 689                 spll->min_feedback_div = 4;
 690                 spll->max_feedback_div = 0xff;
 691                 spll->best_vco = 0;
 692
 693                 ret = 0;
 694         }
 695
 696         index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 697                                             umc_info);
 698         if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
 699                                    &frev, &crev, &data_offset)) {
 700                 union umc_info *umc_info =
 701                         (union umc_info *)(mode_info->atom_context->bios +
 702                                            data_offset);
 703
 704                 /* memory clock */
 705                 mpll->reference_freq = le32_to_cpu(umc_info->v31.mem_refclk_10khz);
 706
 707                 mpll->reference_div = 0;
 708                 mpll->min_post_div = 1;
 709                 mpll->max_post_div = 1;
 710                 mpll->min_ref_div = 2;
 711                 mpll->max_ref_div = 0xff;
 712                 mpll->min_feedback_div = 4;
 713                 mpll->max_feedback_div = 0xff;
 714                 mpll->best_vco = 0;
 715
 716                 ret = 0;
 717         }
 718
 719         /* if asic is Navi+, the rlc reference clock is used for system clock
 720          * from vbios gfx_info table */
 721         if (adev->asic_type >= CHIP_NAVI10) {
 722                 index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 723                                                    gfx_info);
 724                 if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
 725                                           &frev, &crev, &data_offset)) {
 726                         union gfx_info *gfx_info = (union gfx_info *)
 727                                 (mode_info->atom_context->bios + data_offset);
 728                         if ((frev == 3) ||
 729                             (frev == 2 && crev == 6)) {
 730                                 spll->reference_freq = le32_to_cpu(gfx_info->v30.golden_tsc_count_lower_refclk);
 731                                 ret = 0;
 732                         } else if ((frev == 2) &&
 733                                    (crev >= 2) &&
 734                                    (crev != 6)) {
 735                                 spll->reference_freq = le32_to_cpu(gfx_info->v22.rlc_gpu_timer_refclk);
 736                                 ret = 0;
 737                         } else {
 738                                 BUG();
 739                         }
 740                 }
 741         }
 742
 743         return ret;
 744 }
 745
 746 int amdgpu_atomfirmware_get_gfx_info(struct amdgpu_device *adev)
 747 {
 748         struct amdgpu_mode_info *mode_info = &adev->mode_info;
 749         int index;
 750         uint8_t frev, crev;
 751         uint16_t data_offset;
 752
 753         index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 754                                             gfx_info);
 755         if (amdgpu_atom_parse_data_header(mode_info->atom_context, index, NULL,
 756                                    &frev, &crev, &data_offset)) {
 757                 union gfx_info *gfx_info = (union gfx_info *)
 758                         (mode_info->atom_context->bios + data_offset);
 759                 if (frev == 2) {
 760                         switch (crev) {
 761                         case 4:
 762                                 adev->gfx.config.max_shader_engines = gfx_info->v24.max_shader_engines;
 763                                 adev->gfx.config.max_cu_per_sh = gfx_info->v24.max_cu_per_sh;
 764                                 adev->gfx.config.max_sh_per_se = gfx_info->v24.max_sh_per_se;
 765                                 adev->gfx.config.max_backends_per_se = gfx_info->v24.max_backends_per_se;
 766                                 adev->gfx.config.max_texture_channel_caches = gfx_info->v24.max_texture_channel_caches;
 767                                 adev->gfx.config.max_gprs = le16_to_cpu(gfx_info->v24.gc_num_gprs);
 768                                 adev->gfx.config.max_gs_threads = gfx_info->v24.gc_num_max_gs_thds;
 769                                 adev->gfx.config.gs_vgt_table_depth = gfx_info->v24.gc_gs_table_depth;
 770                                 adev->gfx.config.gs_prim_buffer_depth =
 771                                         le16_to_cpu(gfx_info->v24.gc_gsprim_buff_depth);
 772                                 adev->gfx.config.double_offchip_lds_buf =
 773                                         gfx_info->v24.gc_double_offchip_lds_buffer;
 774                                 adev->gfx.cu_info.wave_front_size = le16_to_cpu(gfx_info->v24.gc_wave_size);
 775                                 adev->gfx.cu_info.max_waves_per_simd = le16_to_cpu(gfx_info->v24.gc_max_waves_per_simd);
 776                                 adev->gfx.cu_info.max_scratch_slots_per_cu = gfx_info->v24.gc_max_scratch_slots_per_cu;
 777                                 adev->gfx.cu_info.lds_size = le16_to_cpu(gfx_info->v24.gc_lds_size);
 778                                 return 0;
 779                         case 7:
 780                                 adev->gfx.config.max_shader_engines = gfx_info->v27.max_shader_engines;
 781                                 adev->gfx.config.max_cu_per_sh = gfx_info->v27.max_cu_per_sh;
 782                                 adev->gfx.config.max_sh_per_se = gfx_info->v27.max_sh_per_se;
 783                                 adev->gfx.config.max_backends_per_se = gfx_info->v27.max_backends_per_se;
 784                                 adev->gfx.config.max_texture_channel_caches = gfx_info->v27.max_texture_channel_caches;
 785                                 adev->gfx.config.max_gprs = le16_to_cpu(gfx_info->v27.gc_num_gprs);
 786                                 adev->gfx.config.max_gs_threads = gfx_info->v27.gc_num_max_gs_thds;
 787                                 adev->gfx.config.gs_vgt_table_depth = gfx_info->v27.gc_gs_table_depth;
 788                                 adev->gfx.config.gs_prim_buffer_depth = le16_to_cpu(gfx_info->v27.gc_gsprim_buff_depth);
 789                                 adev->gfx.config.double_offchip_lds_buf = gfx_info->v27.gc_double_offchip_lds_buffer;
 790                                 adev->gfx.cu_info.wave_front_size = le16_to_cpu(gfx_info->v27.gc_wave_size);
 791                                 adev->gfx.cu_info.max_waves_per_simd = le16_to_cpu(gfx_info->v27.gc_max_waves_per_simd);
 792                                 adev->gfx.cu_info.max_scratch_slots_per_cu = gfx_info->v27.gc_max_scratch_slots_per_cu;
 793                                 adev->gfx.cu_info.lds_size = le16_to_cpu(gfx_info->v27.gc_lds_size);
 794                                 return 0;
 795                         default:
 796                                 return -EINVAL;
 797                         }
 798                 } else if (frev == 3) {
 799                         switch (crev) {
 800                         case 0:
 801                                 adev->gfx.config.max_shader_engines = gfx_info->v30.max_shader_engines;
 802                                 adev->gfx.config.max_cu_per_sh = gfx_info->v30.max_cu_per_sh;
 803                                 adev->gfx.config.max_sh_per_se = gfx_info->v30.max_sh_per_se;
 804                                 adev->gfx.config.max_backends_per_se = gfx_info->v30.max_backends_per_se;
 805                                 adev->gfx.config.max_texture_channel_caches = gfx_info->v30.max_texture_channel_caches;
 806                                 return 0;
 807                         default:
 808                                 return -EINVAL;
 809                         }
 810                 } else {
 811                         return -EINVAL;
 812                 }
 813
 814         }
 815         return -EINVAL;
 816 }
 817
 818 /*
 819  * Helper function to query two stage mem training capability
 820  *
 821  * @adev: amdgpu_device pointer
 822  *
 823  * Return true if two stage mem training is supported or false if not
 824  */
 825 bool amdgpu_atomfirmware_mem_training_supported(struct amdgpu_device *adev)
 826 {
 827         u32 fw_cap;
 828
 829         fw_cap = adev->mode_info.firmware_flags;
 830
 831         return (fw_cap & ATOM_FIRMWARE_CAP_ENABLE_2STAGE_BIST_TRAINING) ? true : false;
 832 }
 833
 834 int amdgpu_atomfirmware_get_fw_reserved_fb_size(struct amdgpu_device *adev)
 835 {
 836         struct atom_context *ctx = adev->mode_info.atom_context;
 837         union firmware_info *firmware_info;
 838         int index;
 839         u16 data_offset, size;
 840         u8 frev, crev;
 841         int fw_reserved_fb_size;
 842
 843         index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 844                         firmwareinfo);
 845
 846         if (!amdgpu_atom_parse_data_header(ctx, index, &size,
 847                                 &frev, &crev, &data_offset))
 848                 /* fail to parse data_header */
 849                 return 0;
 850
 851         firmware_info = (union firmware_info *)(ctx->bios + data_offset);
 852
 853         if (frev !=3)
 854                 return -EINVAL;
 855
 856         switch (crev) {
 857         case 4:
 858                 fw_reserved_fb_size =
 859                         (firmware_info->v34.fw_reserved_size_in_kb << 10);
 860                 break;
 861         default:
 862                 fw_reserved_fb_size = 0;
 863                 break;
 864         }
 865
 866         return fw_reserved_fb_size;
 867 }
 868
 869 /*
 870  * Helper function to execute asic_init table
 871  *
 872  * @adev: amdgpu_device pointer
 873  * @fb_reset: flag to indicate whether fb is reset or not
 874  *
 875  * Return 0 if succeed, otherwise failed
 876  */
 877 int amdgpu_atomfirmware_asic_init(struct amdgpu_device *adev, bool fb_reset)
 878 {
 879         struct amdgpu_mode_info *mode_info = &adev->mode_info;
 880         struct atom_context *ctx;
 881         uint8_t frev, crev;
 882         uint16_t data_offset;
 883         uint32_t bootup_sclk_in10khz, bootup_mclk_in10khz;
 884         struct asic_init_ps_allocation_v2_1 asic_init_ps_v2_1;
 885         int index;
 886
 887         if (!mode_info)
 888                 return -EINVAL;
 889
 890         ctx = mode_info->atom_context;
 891         if (!ctx)
 892                 return -EINVAL;
 893
 894         /* query bootup sclk/mclk from firmware_info table */
 895         index = get_index_into_master_table(atom_master_list_of_data_tables_v2_1,
 896                                             firmwareinfo);
 897         if (amdgpu_atom_parse_data_header(ctx, index, NULL,
 898                                 &frev, &crev, &data_offset)) {
 899                 union firmware_info *firmware_info =
 900                         (union firmware_info *)(ctx->bios +
 901                                                 data_offset);
 902
 903                 bootup_sclk_in10khz =
 904                         le32_to_cpu(firmware_info->v31.bootup_sclk_in10khz);
 905                 bootup_mclk_in10khz =
 906                         le32_to_cpu(firmware_info->v31.bootup_mclk_in10khz);
 907         } else {
 908                 return -EINVAL;
 909         }
 910
 911         index = get_index_into_master_table(atom_master_list_of_command_functions_v2_1,
 912                                             asic_init);
 913         if (amdgpu_atom_parse_cmd_header(mode_info->atom_context, index, &frev, &crev)) {
 914                 if (frev == 2 && crev >= 1) {
 915                         memset(&asic_init_ps_v2_1, 0, sizeof(asic_init_ps_v2_1));
 916                         asic_init_ps_v2_1.param.engineparam.sclkfreqin10khz = bootup_sclk_in10khz;
 917                         asic_init_ps_v2_1.param.memparam.mclkfreqin10khz = bootup_mclk_in10khz;
 918                         asic_init_ps_v2_1.param.engineparam.engineflag = b3NORMAL_ENGINE_INIT;
 919                         if (!fb_reset)
 920                                 asic_init_ps_v2_1.param.memparam.memflag = b3DRAM_SELF_REFRESH_EXIT;
 921                         else
 922                                 asic_init_ps_v2_1.param.memparam.memflag = 0;
 923                 } else {
 924                         return -EINVAL;
 925                 }
 926         } else {
 927                 return -EINVAL;
 928         }
 929
 930         return amdgpu_atom_execute_table(ctx, ATOM_CMD_INIT, (uint32_t *)&asic_init_ps_v2_1);
 931 }