drivers/gpu/drm/amd/amdgpu/amdgpu_psp.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  * Author: Huang Rui
  23  *
  24  */
  25
  26 #include <linux/firmware.h>
  27 #include <drm/drmP.h>
  28 #include "amdgpu.h"
  29 #include "amdgpu_psp.h"
  30 #include "amdgpu_ucode.h"
  31 #include "soc15_common.h"
  32 #include "psp_v3_1.h"
  33 #include "psp_v10_0.h"
  34 #include "psp_v11_0.h"
  35
  36 static void psp_set_funcs(struct amdgpu_device *adev);
  37
  38 static int psp_early_init(void *handle)
  39 {
  40         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  41
  42         psp_set_funcs(adev);
  43
  44         return 0;
  45 }
  46
  47 static int psp_sw_init(void *handle)
  48 {
  49         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  50         struct psp_context *psp = &adev->psp;
  51         int ret;
  52
  53         switch (adev->asic_type) {
  54         case CHIP_VEGA10:
  55         case CHIP_VEGA12:
  56                 psp_v3_1_set_psp_funcs(psp);
  57                 break;
  58         case CHIP_RAVEN:
  59                 psp_v10_0_set_psp_funcs(psp);
  60                 break;
  61         case CHIP_VEGA20:
  62                 psp_v11_0_set_psp_funcs(psp);
  63                 break;
  64         default:
  65                 return -EINVAL;
  66         }
  67
  68         psp->adev = adev;
  69
  70         ret = psp_init_microcode(psp);
  71         if (ret) {
  72                 DRM_ERROR("Failed to load psp firmware!\n");
  73                 return ret;
  74         }
  75
  76         return 0;
  77 }
  78
  79 static int psp_sw_fini(void *handle)
  80 {
  81         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  82
  83         release_firmware(adev->psp.sos_fw);
  84         adev->psp.sos_fw = NULL;
  85         release_firmware(adev->psp.asd_fw);
  86         adev->psp.asd_fw = NULL;
  87         if (adev->psp.ta_fw) {
  88                 release_firmware(adev->psp.ta_fw);
  89                 adev->psp.ta_fw = NULL;
  90         }
  91         return 0;
  92 }
  93
  94 int psp_wait_for(struct psp_context *psp, uint32_t reg_index,
  95                  uint32_t reg_val, uint32_t mask, bool check_changed)
  96 {
  97         uint32_t val;
  98         int i;
  99         struct amdgpu_device *adev = psp->adev;
 100
 101         for (i = 0; i < adev->usec_timeout; i++) {
 102                 val = RREG32(reg_index);
 103                 if (check_changed) {
 104                         if (val != reg_val)
 105                                 return 0;
 106                 } else {
 107                         if ((val & mask) == reg_val)
 108                                 return 0;
 109                 }
 110                 udelay(1);
 111         }
 112
 113         return -ETIME;
 114 }
 115
 116 static int
 117 psp_cmd_submit_buf(struct psp_context *psp,
 118                    struct amdgpu_firmware_info *ucode,
 119                    struct psp_gfx_cmd_resp *cmd, uint64_t fence_mc_addr)
 120 {
 121         int ret;
 122         int index;
 123
 124         memset(psp->cmd_buf_mem, 0, PSP_CMD_BUFFER_SIZE);
 125
 126         memcpy(psp->cmd_buf_mem, cmd, sizeof(struct psp_gfx_cmd_resp));
 127
 128         index = atomic_inc_return(&psp->fence_value);
 129         ret = psp_cmd_submit(psp, ucode, psp->cmd_buf_mc_addr,
 130                              fence_mc_addr, index);
 131         if (ret) {
 132                 atomic_dec(&psp->fence_value);
 133                 return ret;
 134         }
 135
 136         while (*((unsigned int *)psp->fence_buf) != index)
 137                 msleep(1);
 138
 139         /* In some cases, psp response status is not 0 even there is no
 140          * problem while the command is submitted. Some version of PSP FW
 141          * doesn't write 0 to that field.
 142          * So here we would like to only print a warning instead of an error
 143          * during psp initialization to avoid breaking hw_init and it doesn't
 144          * return -EINVAL.
 145          */
 146         if (psp->cmd_buf_mem->resp.status) {
 147                 if (ucode)
 148                         DRM_WARN("failed to load ucode id (%d) ",
 149                                   ucode->ucode_id);
 150                 DRM_WARN("psp command failed and response status is (%d)\n",
 151                           psp->cmd_buf_mem->resp.status);
 152         }
 153
 154         /* get xGMI session id from response buffer */
 155         cmd->resp.session_id = psp->cmd_buf_mem->resp.session_id;
 156
 157         if (ucode) {
 158                 ucode->tmr_mc_addr_lo = psp->cmd_buf_mem->resp.fw_addr_lo;
 159                 ucode->tmr_mc_addr_hi = psp->cmd_buf_mem->resp.fw_addr_hi;
 160         }
 161
 162         return ret;
 163 }
 164
 165 static void psp_prep_tmr_cmd_buf(struct psp_context *psp,
 166                                  struct psp_gfx_cmd_resp *cmd,
 167                                  uint64_t tmr_mc, uint32_t size)
 168 {
 169         if (psp_support_vmr_ring(psp))
 170                 cmd->cmd_id = GFX_CMD_ID_SETUP_VMR;
 171         else
 172                 cmd->cmd_id = GFX_CMD_ID_SETUP_TMR;
 173         cmd->cmd.cmd_setup_tmr.buf_phy_addr_lo = lower_32_bits(tmr_mc);
 174         cmd->cmd.cmd_setup_tmr.buf_phy_addr_hi = upper_32_bits(tmr_mc);
 175         cmd->cmd.cmd_setup_tmr.buf_size = size;
 176 }
 177
 178 /* Set up Trusted Memory Region */
 179 static int psp_tmr_init(struct psp_context *psp)
 180 {
 181         int ret;
 182
 183         /*
 184          * Allocate 3M memory aligned to 1M from Frame Buffer (local
 185          * physical).
 186          *
 187          * Note: this memory need be reserved till the driver
 188          * uninitializes.
 189          */
 190         ret = amdgpu_bo_create_kernel(psp->adev, PSP_TMR_SIZE, 0x100000,
 191                                       AMDGPU_GEM_DOMAIN_VRAM,
 192                                       &psp->tmr_bo, &psp->tmr_mc_addr, &psp->tmr_buf);
 193
 194         return ret;
 195 }
 196
 197 static int psp_tmr_load(struct psp_context *psp)
 198 {
 199         int ret;
 200         struct psp_gfx_cmd_resp *cmd;
 201
 202         cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
 203         if (!cmd)
 204                 return -ENOMEM;
 205
 206         psp_prep_tmr_cmd_buf(psp, cmd, psp->tmr_mc_addr, PSP_TMR_SIZE);
 207         DRM_INFO("reserve 0x%x from 0x%llx for PSP TMR SIZE\n",
 208                         PSP_TMR_SIZE, psp->tmr_mc_addr);
 209
 210         ret = psp_cmd_submit_buf(psp, NULL, cmd,
 211                                  psp->fence_buf_mc_addr);
 212         if (ret)
 213                 goto failed;
 214
 215         kfree(cmd);
 216
 217         return 0;
 218
 219 failed:
 220         kfree(cmd);
 221         return ret;
 222 }
 223
 224 static void psp_prep_asd_cmd_buf(struct psp_gfx_cmd_resp *cmd,
 225                                  uint64_t asd_mc, uint64_t asd_mc_shared,
 226                                  uint32_t size, uint32_t shared_size)
 227 {
 228         cmd->cmd_id = GFX_CMD_ID_LOAD_ASD;
 229         cmd->cmd.cmd_load_ta.app_phy_addr_lo = lower_32_bits(asd_mc);
 230         cmd->cmd.cmd_load_ta.app_phy_addr_hi = upper_32_bits(asd_mc);
 231         cmd->cmd.cmd_load_ta.app_len = size;
 232
 233         cmd->cmd.cmd_load_ta.cmd_buf_phy_addr_lo = lower_32_bits(asd_mc_shared);
 234         cmd->cmd.cmd_load_ta.cmd_buf_phy_addr_hi = upper_32_bits(asd_mc_shared);
 235         cmd->cmd.cmd_load_ta.cmd_buf_len = shared_size;
 236 }
 237
 238 static int psp_asd_init(struct psp_context *psp)
 239 {
 240         int ret;
 241
 242         /*
 243          * Allocate 16k memory aligned to 4k from Frame Buffer (local
 244          * physical) for shared ASD <-> Driver
 245          */
 246         ret = amdgpu_bo_create_kernel(psp->adev, PSP_ASD_SHARED_MEM_SIZE,
 247                                       PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
 248                                       &psp->asd_shared_bo,
 249                                       &psp->asd_shared_mc_addr,
 250                                       &psp->asd_shared_buf);
 251
 252         return ret;
 253 }
 254
 255 static int psp_asd_load(struct psp_context *psp)
 256 {
 257         int ret;
 258         struct psp_gfx_cmd_resp *cmd;
 259
 260         /* If PSP version doesn't match ASD version, asd loading will be failed.
 261          * add workaround to bypass it for sriov now.
 262          * TODO: add version check to make it common
 263          */
 264         if (amdgpu_sriov_vf(psp->adev))
 265                 return 0;
 266
 267         cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
 268         if (!cmd)
 269                 return -ENOMEM;
 270
 271         memset(psp->fw_pri_buf, 0, PSP_1_MEG);
 272         memcpy(psp->fw_pri_buf, psp->asd_start_addr, psp->asd_ucode_size);
 273
 274         psp_prep_asd_cmd_buf(cmd, psp->fw_pri_mc_addr, psp->asd_shared_mc_addr,
 275                              psp->asd_ucode_size, PSP_ASD_SHARED_MEM_SIZE);
 276
 277         ret = psp_cmd_submit_buf(psp, NULL, cmd,
 278                                  psp->fence_buf_mc_addr);
 279
 280         kfree(cmd);
 281
 282         return ret;
 283 }
 284
 285 static void psp_prep_xgmi_ta_load_cmd_buf(struct psp_gfx_cmd_resp *cmd,
 286                                           uint64_t xgmi_ta_mc, uint64_t xgmi_mc_shared,
 287                                           uint32_t xgmi_ta_size, uint32_t shared_size)
 288 {
 289         cmd->cmd_id = GFX_CMD_ID_LOAD_TA;
 290         cmd->cmd.cmd_load_ta.app_phy_addr_lo = lower_32_bits(xgmi_ta_mc);
 291         cmd->cmd.cmd_load_ta.app_phy_addr_hi = upper_32_bits(xgmi_ta_mc);
 292         cmd->cmd.cmd_load_ta.app_len = xgmi_ta_size;
 293
 294         cmd->cmd.cmd_load_ta.cmd_buf_phy_addr_lo = lower_32_bits(xgmi_mc_shared);
 295         cmd->cmd.cmd_load_ta.cmd_buf_phy_addr_hi = upper_32_bits(xgmi_mc_shared);
 296         cmd->cmd.cmd_load_ta.cmd_buf_len = shared_size;
 297 }
 298
 299 static int psp_xgmi_init_shared_buf(struct psp_context *psp)
 300 {
 301         int ret;
 302
 303         /*
 304          * Allocate 16k memory aligned to 4k from Frame Buffer (local
 305          * physical) for xgmi ta <-> Driver
 306          */
 307         ret = amdgpu_bo_create_kernel(psp->adev, PSP_XGMI_SHARED_MEM_SIZE,
 308                                       PAGE_SIZE, AMDGPU_GEM_DOMAIN_VRAM,
 309                                       &psp->xgmi_context.xgmi_shared_bo,
 310                                       &psp->xgmi_context.xgmi_shared_mc_addr,
 311                                       &psp->xgmi_context.xgmi_shared_buf);
 312
 313         return ret;
 314 }
 315
 316 static int psp_xgmi_load(struct psp_context *psp)
 317 {
 318         int ret;
 319         struct psp_gfx_cmd_resp *cmd;
 320
 321         /*
 322          * TODO: bypass the loading in sriov for now
 323          */
 324         if (amdgpu_sriov_vf(psp->adev))
 325                 return 0;
 326
 327         cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
 328         if (!cmd)
 329                 return -ENOMEM;
 330
 331         memset(psp->fw_pri_buf, 0, PSP_1_MEG);
 332         memcpy(psp->fw_pri_buf, psp->ta_xgmi_start_addr, psp->ta_xgmi_ucode_size);
 333
 334         psp_prep_xgmi_ta_load_cmd_buf(cmd, psp->fw_pri_mc_addr,
 335                                       psp->xgmi_context.xgmi_shared_mc_addr,
 336                                       psp->ta_xgmi_ucode_size, PSP_XGMI_SHARED_MEM_SIZE);
 337
 338         ret = psp_cmd_submit_buf(psp, NULL, cmd,
 339                                  psp->fence_buf_mc_addr);
 340
 341         if (!ret) {
 342                 psp->xgmi_context.initialized = 1;
 343                 psp->xgmi_context.session_id = cmd->resp.session_id;
 344         }
 345
 346         kfree(cmd);
 347
 348         return ret;
 349 }
 350
 351 static void psp_prep_xgmi_ta_unload_cmd_buf(struct psp_gfx_cmd_resp *cmd,
 352                                             uint32_t xgmi_session_id)
 353 {
 354         cmd->cmd_id = GFX_CMD_ID_UNLOAD_TA;
 355         cmd->cmd.cmd_unload_ta.session_id = xgmi_session_id;
 356 }
 357
 358 static int psp_xgmi_unload(struct psp_context *psp)
 359 {
 360         int ret;
 361         struct psp_gfx_cmd_resp *cmd;
 362
 363         /*
 364          * TODO: bypass the unloading in sriov for now
 365          */
 366         if (amdgpu_sriov_vf(psp->adev))
 367                 return 0;
 368
 369         cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
 370         if (!cmd)
 371                 return -ENOMEM;
 372
 373         psp_prep_xgmi_ta_unload_cmd_buf(cmd, psp->xgmi_context.session_id);
 374
 375         ret = psp_cmd_submit_buf(psp, NULL, cmd,
 376                                  psp->fence_buf_mc_addr);
 377
 378         kfree(cmd);
 379
 380         return ret;
 381 }
 382
 383 static void psp_prep_xgmi_ta_invoke_cmd_buf(struct psp_gfx_cmd_resp *cmd,
 384                                             uint32_t ta_cmd_id,
 385                                             uint32_t xgmi_session_id)
 386 {
 387         cmd->cmd_id = GFX_CMD_ID_INVOKE_CMD;
 388         cmd->cmd.cmd_invoke_cmd.session_id = xgmi_session_id;
 389         cmd->cmd.cmd_invoke_cmd.ta_cmd_id = ta_cmd_id;
 390         /* Note: cmd_invoke_cmd.buf is not used for now */
 391 }
 392
 393 int psp_xgmi_invoke(struct psp_context *psp, uint32_t ta_cmd_id)
 394 {
 395         int ret;
 396         struct psp_gfx_cmd_resp *cmd;
 397
 398         /*
 399          * TODO: bypass the loading in sriov for now
 400         */
 401         if (amdgpu_sriov_vf(psp->adev))
 402                 return 0;
 403
 404         cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
 405         if (!cmd)
 406                 return -ENOMEM;
 407
 408         psp_prep_xgmi_ta_invoke_cmd_buf(cmd, ta_cmd_id,
 409                                         psp->xgmi_context.session_id);
 410
 411         ret = psp_cmd_submit_buf(psp, NULL, cmd,
 412                                  psp->fence_buf_mc_addr);
 413
 414         kfree(cmd);
 415
 416         return ret;
 417 }
 418
 419 static int psp_xgmi_terminate(struct psp_context *psp)
 420 {
 421         int ret;
 422
 423         if (!psp->xgmi_context.initialized)
 424                 return 0;
 425
 426         ret = psp_xgmi_unload(psp);
 427         if (ret)
 428                 return ret;
 429
 430         psp->xgmi_context.initialized = 0;
 431
 432         /* free xgmi shared memory */
 433         amdgpu_bo_free_kernel(&psp->xgmi_context.xgmi_shared_bo,
 434                         &psp->xgmi_context.xgmi_shared_mc_addr,
 435                         &psp->xgmi_context.xgmi_shared_buf);
 436
 437         return 0;
 438 }
 439
 440 static int psp_xgmi_initialize(struct psp_context *psp)
 441 {
 442         struct ta_xgmi_shared_memory *xgmi_cmd;
 443         int ret;
 444
 445         if (!psp->adev->psp.ta_fw)
 446                 return -ENOENT;
 447
 448         if (!psp->xgmi_context.initialized) {
 449                 ret = psp_xgmi_init_shared_buf(psp);
 450                 if (ret)
 451                         return ret;
 452         }
 453
 454         /* Load XGMI TA */
 455         ret = psp_xgmi_load(psp);
 456         if (ret)
 457                 return ret;
 458
 459         /* Initialize XGMI session */
 460         xgmi_cmd = (struct ta_xgmi_shared_memory *)(psp->xgmi_context.xgmi_shared_buf);
 461         memset(xgmi_cmd, 0, sizeof(struct ta_xgmi_shared_memory));
 462         xgmi_cmd->cmd_id = TA_COMMAND_XGMI__INITIALIZE;
 463
 464         ret = psp_xgmi_invoke(psp, xgmi_cmd->cmd_id);
 465
 466         return ret;
 467 }
 468
 469 static int psp_hw_start(struct psp_context *psp)
 470 {
 471         struct amdgpu_device *adev = psp->adev;
 472         int ret;
 473
 474         if (!amdgpu_sriov_vf(adev) || !adev->in_gpu_reset) {
 475                 ret = psp_bootloader_load_sysdrv(psp);
 476                 if (ret)
 477                         return ret;
 478
 479                 ret = psp_bootloader_load_sos(psp);
 480                 if (ret)
 481                         return ret;
 482         }
 483
 484         ret = psp_ring_create(psp, PSP_RING_TYPE__KM);
 485         if (ret)
 486                 return ret;
 487
 488         ret = psp_tmr_load(psp);
 489         if (ret)
 490                 return ret;
 491
 492         ret = psp_asd_load(psp);
 493         if (ret)
 494                 return ret;
 495
 496         if (adev->gmc.xgmi.num_physical_nodes > 1) {
 497                 ret = psp_xgmi_initialize(psp);
 498                 /* Warning the XGMI seesion initialize failure
 499                  * Instead of stop driver initialization
 500                  */
 501                 if (ret)
 502                         dev_err(psp->adev->dev,
 503                                 "XGMI: Failed to initialize XGMI session\n");
 504         }
 505         return 0;
 506 }
 507
 508 static int psp_get_fw_type(struct amdgpu_firmware_info *ucode,
 509                            enum psp_gfx_fw_type *type)
 510 {
 511         switch (ucode->ucode_id) {
 512         case AMDGPU_UCODE_ID_SDMA0:
 513                 *type = GFX_FW_TYPE_SDMA0;
 514                 break;
 515         case AMDGPU_UCODE_ID_SDMA1:
 516                 *type = GFX_FW_TYPE_SDMA1;
 517                 break;
 518         case AMDGPU_UCODE_ID_CP_CE:
 519                 *type = GFX_FW_TYPE_CP_CE;
 520                 break;
 521         case AMDGPU_UCODE_ID_CP_PFP:
 522                 *type = GFX_FW_TYPE_CP_PFP;
 523                 break;
 524         case AMDGPU_UCODE_ID_CP_ME:
 525                 *type = GFX_FW_TYPE_CP_ME;
 526                 break;
 527         case AMDGPU_UCODE_ID_CP_MEC1:
 528                 *type = GFX_FW_TYPE_CP_MEC;
 529                 break;
 530         case AMDGPU_UCODE_ID_CP_MEC1_JT:
 531                 *type = GFX_FW_TYPE_CP_MEC_ME1;
 532                 break;
 533         case AMDGPU_UCODE_ID_CP_MEC2:
 534                 *type = GFX_FW_TYPE_CP_MEC;
 535                 break;
 536         case AMDGPU_UCODE_ID_CP_MEC2_JT:
 537                 *type = GFX_FW_TYPE_CP_MEC_ME2;
 538                 break;
 539         case AMDGPU_UCODE_ID_RLC_G:
 540                 *type = GFX_FW_TYPE_RLC_G;
 541                 break;
 542         case AMDGPU_UCODE_ID_RLC_RESTORE_LIST_CNTL:
 543                 *type = GFX_FW_TYPE_RLC_RESTORE_LIST_SRM_CNTL;
 544                 break;
 545         case AMDGPU_UCODE_ID_RLC_RESTORE_LIST_GPM_MEM:
 546                 *type = GFX_FW_TYPE_RLC_RESTORE_LIST_GPM_MEM;
 547                 break;
 548         case AMDGPU_UCODE_ID_RLC_RESTORE_LIST_SRM_MEM:
 549                 *type = GFX_FW_TYPE_RLC_RESTORE_LIST_SRM_MEM;
 550                 break;
 551         case AMDGPU_UCODE_ID_SMC:
 552                 *type = GFX_FW_TYPE_SMU;
 553                 break;
 554         case AMDGPU_UCODE_ID_UVD:
 555                 *type = GFX_FW_TYPE_UVD;
 556                 break;
 557         case AMDGPU_UCODE_ID_UVD1:
 558                 *type = GFX_FW_TYPE_UVD1;
 559                 break;
 560         case AMDGPU_UCODE_ID_VCE:
 561                 *type = GFX_FW_TYPE_VCE;
 562                 break;
 563         case AMDGPU_UCODE_ID_VCN:
 564                 *type = GFX_FW_TYPE_VCN;
 565                 break;
 566         case AMDGPU_UCODE_ID_DMCU_ERAM:
 567                 *type = GFX_FW_TYPE_DMCU_ERAM;
 568                 break;
 569         case AMDGPU_UCODE_ID_DMCU_INTV:
 570                 *type = GFX_FW_TYPE_DMCU_ISR;
 571                 break;
 572         case AMDGPU_UCODE_ID_MAXIMUM:
 573         default:
 574                 return -EINVAL;
 575         }
 576
 577         return 0;
 578 }
 579
 580 static int psp_prep_load_ip_fw_cmd_buf(struct amdgpu_firmware_info *ucode,
 581                                        struct psp_gfx_cmd_resp *cmd)
 582 {
 583         int ret;
 584         uint64_t fw_mem_mc_addr = ucode->mc_addr;
 585
 586         memset(cmd, 0, sizeof(struct psp_gfx_cmd_resp));
 587
 588         cmd->cmd_id = GFX_CMD_ID_LOAD_IP_FW;
 589         cmd->cmd.cmd_load_ip_fw.fw_phy_addr_lo = lower_32_bits(fw_mem_mc_addr);
 590         cmd->cmd.cmd_load_ip_fw.fw_phy_addr_hi = upper_32_bits(fw_mem_mc_addr);
 591         cmd->cmd.cmd_load_ip_fw.fw_size = ucode->ucode_size;
 592
 593         ret = psp_get_fw_type(ucode, &cmd->cmd.cmd_load_ip_fw.fw_type);
 594         if (ret)
 595                 DRM_ERROR("Unknown firmware type\n");
 596
 597         return ret;
 598 }
 599
 600 static int psp_np_fw_load(struct psp_context *psp)
 601 {
 602         int i, ret;
 603         struct amdgpu_firmware_info *ucode;
 604         struct amdgpu_device* adev = psp->adev;
 605
 606         for (i = 0; i < adev->firmware.max_ucodes; i++) {
 607                 ucode = &adev->firmware.ucode[i];
 608                 if (!ucode->fw)
 609                         continue;
 610
 611                 if (ucode->ucode_id == AMDGPU_UCODE_ID_SMC &&
 612                     psp_smu_reload_quirk(psp))
 613                         continue;
 614                 if (amdgpu_sriov_vf(adev) &&
 615                    (ucode->ucode_id == AMDGPU_UCODE_ID_SDMA0
 616                     || ucode->ucode_id == AMDGPU_UCODE_ID_SDMA1
 617                     || ucode->ucode_id == AMDGPU_UCODE_ID_RLC_G))
 618                         /*skip ucode loading in SRIOV VF */
 619                         continue;
 620
 621                 ret = psp_prep_load_ip_fw_cmd_buf(ucode, psp->cmd);
 622                 if (ret)
 623                         return ret;
 624
 625                 ret = psp_cmd_submit_buf(psp, ucode, psp->cmd,
 626                                          psp->fence_buf_mc_addr);
 627                 if (ret)
 628                         return ret;
 629
 630 #if 0
 631                 /* check if firmware loaded sucessfully */
 632                 if (!amdgpu_psp_check_fw_loading_status(adev, i))
 633                         return -EINVAL;
 634 #endif
 635         }
 636
 637         return 0;
 638 }
 639
 640 static int psp_load_fw(struct amdgpu_device *adev)
 641 {
 642         int ret;
 643         struct psp_context *psp = &adev->psp;
 644
 645         if (amdgpu_sriov_vf(adev) && adev->in_gpu_reset) {
 646                 psp_ring_stop(psp, PSP_RING_TYPE__KM); /* should not destroy ring, only stop */
 647                 goto skip_memalloc;
 648         }
 649
 650         psp->cmd = kzalloc(sizeof(struct psp_gfx_cmd_resp), GFP_KERNEL);
 651         if (!psp->cmd)
 652                 return -ENOMEM;
 653
 654         ret = amdgpu_bo_create_kernel(adev, PSP_1_MEG, PSP_1_MEG,
 655                                         AMDGPU_GEM_DOMAIN_GTT,
 656                                         &psp->fw_pri_bo,
 657                                         &psp->fw_pri_mc_addr,
 658                                         &psp->fw_pri_buf);
 659         if (ret)
 660                 goto failed;
 661
 662         ret = amdgpu_bo_create_kernel(adev, PSP_FENCE_BUFFER_SIZE, PAGE_SIZE,
 663                                         AMDGPU_GEM_DOMAIN_VRAM,
 664                                         &psp->fence_buf_bo,
 665                                         &psp->fence_buf_mc_addr,
 666                                         &psp->fence_buf);
 667         if (ret)
 668                 goto failed_mem2;
 669
 670         ret = amdgpu_bo_create_kernel(adev, PSP_CMD_BUFFER_SIZE, PAGE_SIZE,
 671                                       AMDGPU_GEM_DOMAIN_VRAM,
 672                                       &psp->cmd_buf_bo, &psp->cmd_buf_mc_addr,
 673                                       (void **)&psp->cmd_buf_mem);
 674         if (ret)
 675                 goto failed_mem1;
 676
 677         memset(psp->fence_buf, 0, PSP_FENCE_BUFFER_SIZE);
 678
 679         ret = psp_ring_init(psp, PSP_RING_TYPE__KM);
 680         if (ret)
 681                 goto failed_mem;
 682
 683         ret = psp_tmr_init(psp);
 684         if (ret)
 685                 goto failed_mem;
 686
 687         ret = psp_asd_init(psp);
 688         if (ret)
 689                 goto failed_mem;
 690
 691 skip_memalloc:
 692         ret = psp_hw_start(psp);
 693         if (ret)
 694                 goto failed_mem;
 695
 696         ret = psp_np_fw_load(psp);
 697         if (ret)
 698                 goto failed_mem;
 699
 700         return 0;
 701
 702 failed_mem:
 703         amdgpu_bo_free_kernel(&psp->cmd_buf_bo,
 704                               &psp->cmd_buf_mc_addr,
 705                               (void **)&psp->cmd_buf_mem);
 706 failed_mem1:
 707         amdgpu_bo_free_kernel(&psp->fence_buf_bo,
 708                               &psp->fence_buf_mc_addr, &psp->fence_buf);
 709 failed_mem2:
 710         amdgpu_bo_free_kernel(&psp->fw_pri_bo,
 711                               &psp->fw_pri_mc_addr, &psp->fw_pri_buf);
 712 failed:
 713         kfree(psp->cmd);
 714         psp->cmd = NULL;
 715         return ret;
 716 }
 717
 718 static int psp_hw_init(void *handle)
 719 {
 720         int ret;
 721         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 722
 723         mutex_lock(&adev->firmware.mutex);
 724         /*
 725          * This sequence is just used on hw_init only once, no need on
 726          * resume.
 727          */
 728         ret = amdgpu_ucode_init_bo(adev);
 729         if (ret)
 730                 goto failed;
 731
 732         ret = psp_load_fw(adev);
 733         if (ret) {
 734                 DRM_ERROR("PSP firmware loading failed\n");
 735                 goto failed;
 736         }
 737
 738         mutex_unlock(&adev->firmware.mutex);
 739         return 0;
 740
 741 failed:
 742         adev->firmware.load_type = AMDGPU_FW_LOAD_DIRECT;
 743         mutex_unlock(&adev->firmware.mutex);
 744         return -EINVAL;
 745 }
 746
 747 static int psp_hw_fini(void *handle)
 748 {
 749         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 750         struct psp_context *psp = &adev->psp;
 751
 752         if (adev->gmc.xgmi.num_physical_nodes > 1 &&
 753             psp->xgmi_context.initialized == 1)
 754                 psp_xgmi_terminate(psp);
 755
 756         psp_ring_destroy(psp, PSP_RING_TYPE__KM);
 757
 758         amdgpu_bo_free_kernel(&psp->tmr_bo, &psp->tmr_mc_addr, &psp->tmr_buf);
 759         amdgpu_bo_free_kernel(&psp->fw_pri_bo,
 760                               &psp->fw_pri_mc_addr, &psp->fw_pri_buf);
 761         amdgpu_bo_free_kernel(&psp->fence_buf_bo,
 762                               &psp->fence_buf_mc_addr, &psp->fence_buf);
 763         amdgpu_bo_free_kernel(&psp->asd_shared_bo, &psp->asd_shared_mc_addr,
 764                               &psp->asd_shared_buf);
 765         amdgpu_bo_free_kernel(&psp->cmd_buf_bo, &psp->cmd_buf_mc_addr,
 766                               (void **)&psp->cmd_buf_mem);
 767
 768         kfree(psp->cmd);
 769         psp->cmd = NULL;
 770
 771         return 0;
 772 }
 773
 774 static int psp_suspend(void *handle)
 775 {
 776         int ret;
 777         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 778         struct psp_context *psp = &adev->psp;
 779
 780         if (adev->gmc.xgmi.num_physical_nodes > 1 &&
 781             psp->xgmi_context.initialized == 1) {
 782                 ret = psp_xgmi_terminate(psp);
 783                 if (ret) {
 784                         DRM_ERROR("Failed to terminate xgmi ta\n");
 785                         return ret;
 786                 }
 787         }
 788
 789         ret = psp_ring_stop(psp, PSP_RING_TYPE__KM);
 790         if (ret) {
 791                 DRM_ERROR("PSP ring stop failed\n");
 792                 return ret;
 793         }
 794
 795         return 0;
 796 }
 797
 798 static int psp_resume(void *handle)
 799 {
 800         int ret;
 801         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 802         struct psp_context *psp = &adev->psp;
 803
 804         DRM_INFO("PSP is resuming...\n");
 805
 806         mutex_lock(&adev->firmware.mutex);
 807
 808         ret = psp_hw_start(psp);
 809         if (ret)
 810                 goto failed;
 811
 812         ret = psp_np_fw_load(psp);
 813         if (ret)
 814                 goto failed;
 815
 816         mutex_unlock(&adev->firmware.mutex);
 817
 818         return 0;
 819
 820 failed:
 821         DRM_ERROR("PSP resume failed\n");
 822         mutex_unlock(&adev->firmware.mutex);
 823         return ret;
 824 }
 825
 826 int psp_gpu_reset(struct amdgpu_device *adev)
 827 {
 828         if (adev->firmware.load_type != AMDGPU_FW_LOAD_PSP)
 829                 return 0;
 830
 831         return psp_mode1_reset(&adev->psp);
 832 }
 833
 834 static bool psp_check_fw_loading_status(struct amdgpu_device *adev,
 835                                         enum AMDGPU_UCODE_ID ucode_type)
 836 {
 837         struct amdgpu_firmware_info *ucode = NULL;
 838
 839         if (!adev->firmware.fw_size)
 840                 return false;
 841
 842         ucode = &adev->firmware.ucode[ucode_type];
 843         if (!ucode->fw || !ucode->ucode_size)
 844                 return false;
 845
 846         return psp_compare_sram_data(&adev->psp, ucode, ucode_type);
 847 }
 848
 849 static int psp_set_clockgating_state(void *handle,
 850                                      enum amd_clockgating_state state)
 851 {
 852         return 0;
 853 }
 854
 855 static int psp_set_powergating_state(void *handle,
 856                                      enum amd_powergating_state state)
 857 {
 858         return 0;
 859 }
 860
 861 const struct amd_ip_funcs psp_ip_funcs = {
 862         .name = "psp",
 863         .early_init = psp_early_init,
 864         .late_init = NULL,
 865         .sw_init = psp_sw_init,
 866         .sw_fini = psp_sw_fini,
 867         .hw_init = psp_hw_init,
 868         .hw_fini = psp_hw_fini,
 869         .suspend = psp_suspend,
 870         .resume = psp_resume,
 871         .is_idle = NULL,
 872         .check_soft_reset = NULL,
 873         .wait_for_idle = NULL,
 874         .soft_reset = NULL,
 875         .set_clockgating_state = psp_set_clockgating_state,
 876         .set_powergating_state = psp_set_powergating_state,
 877 };
 878
 879 static const struct amdgpu_psp_funcs psp_funcs = {
 880         .check_fw_loading_status = psp_check_fw_loading_status,
 881 };
 882
 883 static void psp_set_funcs(struct amdgpu_device *adev)
 884 {
 885         if (NULL == adev->firmware.funcs)
 886                 adev->firmware.funcs = &psp_funcs;
 887 }
 888
 889 const struct amdgpu_ip_block_version psp_v3_1_ip_block =
 890 {
 891         .type = AMD_IP_BLOCK_TYPE_PSP,
 892         .major = 3,
 893         .minor = 1,
 894         .rev = 0,
 895         .funcs = &psp_ip_funcs,
 896 };
 897
 898 const struct amdgpu_ip_block_version psp_v10_0_ip_block =
 899 {
 900         .type = AMD_IP_BLOCK_TYPE_PSP,
 901         .major = 10,
 902         .minor = 0,
 903         .rev = 0,
 904         .funcs = &psp_ip_funcs,
 905 };
 906
 907 const struct amdgpu_ip_block_version psp_v11_0_ip_block =
 908 {
 909         .type = AMD_IP_BLOCK_TYPE_PSP,
 910         .major = 11,
 911         .minor = 0,
 912         .rev = 0,
 913         .funcs = &psp_ip_funcs,
 914 };