drivers/gpu/drm/amd/amdgpu/vce_v3_0.c

   1 /*
   2  * Copyright 2014 Advanced Micro Devices, Inc.
   3  * All Rights Reserved.
   4  *
   5  * Permission is hereby granted, free of charge, to any person obtaining a
   6  * copy of this software and associated documentation files (the
   7  * "Software"), to deal in the Software without restriction, including
   8  * without limitation the rights to use, copy, modify, merge, publish,
   9  * distribute, sub license, and/or sell copies of the Software, and to
  10  * permit persons to whom the Software is furnished to do so, subject to
  11  * the following conditions:
  12  *
  13  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  14  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  15  * FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT. IN NO EVENT SHALL
  16  * THE COPYRIGHT HOLDERS, AUTHORS AND/OR ITS SUPPLIERS BE LIABLE FOR ANY CLAIM,
  17  * DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
  18  * OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE
  19  * USE OR OTHER DEALINGS IN THE SOFTWARE.
  20  *
  21  * The above copyright notice and this permission notice (including the
  22  * next paragraph) shall be included in all copies or substantial portions
  23  * of the Software.
  24  *
  25  * Authors: Christian König <christian.koenig@amd.com>
  26  */
  27
  28 #include <linux/firmware.h>
  29 #include <drm/drmP.h>
  30 #include "amdgpu.h"
  31 #include "amdgpu_vce.h"
  32 #include "vid.h"
  33 #include "vce/vce_3_0_d.h"
  34 #include "vce/vce_3_0_sh_mask.h"
  35 #include "oss/oss_2_0_d.h"
  36 #include "oss/oss_2_0_sh_mask.h"
  37 #include "gca/gfx_8_0_d.h"
  38 #include "smu/smu_7_1_2_d.h"
  39 #include "smu/smu_7_1_2_sh_mask.h"
  40
  41 #define GRBM_GFX_INDEX__VCE_INSTANCE__SHIFT     0x04
  42 #define GRBM_GFX_INDEX__VCE_INSTANCE_MASK       0x10
  43
  44 #define VCE_V3_0_FW_SIZE        (384 * 1024)
  45 #define VCE_V3_0_STACK_SIZE     (64 * 1024)
  46 #define VCE_V3_0_DATA_SIZE      ((16 * 1024 * AMDGPU_MAX_VCE_HANDLES) + (52 * 1024))
  47
  48 static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx);
  49 static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev);
  50 static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev);
  51
  52 /**
  53  * vce_v3_0_ring_get_rptr - get read pointer
  54  *
  55  * @ring: amdgpu_ring pointer
  56  *
  57  * Returns the current hardware read pointer
  58  */
  59 static uint32_t vce_v3_0_ring_get_rptr(struct amdgpu_ring *ring)
  60 {
  61         struct amdgpu_device *adev = ring->adev;
  62
  63         if (ring == &adev->vce.ring[0])
  64                 return RREG32(mmVCE_RB_RPTR);
  65         else
  66                 return RREG32(mmVCE_RB_RPTR2);
  67 }
  68
  69 /**
  70  * vce_v3_0_ring_get_wptr - get write pointer
  71  *
  72  * @ring: amdgpu_ring pointer
  73  *
  74  * Returns the current hardware write pointer
  75  */
  76 static uint32_t vce_v3_0_ring_get_wptr(struct amdgpu_ring *ring)
  77 {
  78         struct amdgpu_device *adev = ring->adev;
  79
  80         if (ring == &adev->vce.ring[0])
  81                 return RREG32(mmVCE_RB_WPTR);
  82         else
  83                 return RREG32(mmVCE_RB_WPTR2);
  84 }
  85
  86 /**
  87  * vce_v3_0_ring_set_wptr - set write pointer
  88  *
  89  * @ring: amdgpu_ring pointer
  90  *
  91  * Commits the write pointer to the hardware
  92  */
  93 static void vce_v3_0_ring_set_wptr(struct amdgpu_ring *ring)
  94 {
  95         struct amdgpu_device *adev = ring->adev;
  96
  97         if (ring == &adev->vce.ring[0])
  98                 WREG32(mmVCE_RB_WPTR, ring->wptr);
  99         else
 100                 WREG32(mmVCE_RB_WPTR2, ring->wptr);
 101 }
 102
 103 /**
 104  * vce_v3_0_start - start VCE block
 105  *
 106  * @adev: amdgpu_device pointer
 107  *
 108  * Setup and start the VCE block
 109  */
 110 static int vce_v3_0_start(struct amdgpu_device *adev)
 111 {
 112         struct amdgpu_ring *ring;
 113         int idx, i, j, r;
 114
 115         mutex_lock(&adev->grbm_idx_mutex);
 116         for (idx = 0; idx < 2; ++idx) {
 117
 118                 if (adev->vce.harvest_config & (1 << idx))
 119                         continue;
 120
 121                 if(idx == 0)
 122                         WREG32_P(mmGRBM_GFX_INDEX, 0,
 123                                 ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK);
 124                 else
 125                         WREG32_P(mmGRBM_GFX_INDEX,
 126                                 GRBM_GFX_INDEX__VCE_INSTANCE_MASK,
 127                                 ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK);
 128
 129                 vce_v3_0_mc_resume(adev, idx);
 130
 131                 /* set BUSY flag */
 132                 WREG32_P(mmVCE_STATUS, 1, ~1);
 133
 134                 WREG32_P(mmVCE_VCPU_CNTL, VCE_VCPU_CNTL__CLK_EN_MASK,
 135                         ~VCE_VCPU_CNTL__CLK_EN_MASK);
 136
 137                 WREG32_P(mmVCE_SOFT_RESET,
 138                          VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
 139                          ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
 140
 141                 mdelay(100);
 142
 143                 WREG32_P(mmVCE_SOFT_RESET, 0,
 144                         ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
 145
 146                 for (i = 0; i < 10; ++i) {
 147                         uint32_t status;
 148                         for (j = 0; j < 100; ++j) {
 149                                 status = RREG32(mmVCE_STATUS);
 150                                 if (status & 2)
 151                                         break;
 152                                 mdelay(10);
 153                         }
 154                         r = 0;
 155                         if (status & 2)
 156                                 break;
 157
 158                         DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");
 159                         WREG32_P(mmVCE_SOFT_RESET,
 160                                 VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
 161                                 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
 162                         mdelay(10);
 163                         WREG32_P(mmVCE_SOFT_RESET, 0,
 164                                 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
 165                         mdelay(10);
 166                         r = -1;
 167                 }
 168
 169                 /* clear BUSY flag */
 170                 WREG32_P(mmVCE_STATUS, 0, ~1);
 171
 172                 if (r) {
 173                         DRM_ERROR("VCE not responding, giving up!!!\n");
 174                         mutex_unlock(&adev->grbm_idx_mutex);
 175                         return r;
 176                 }
 177         }
 178
 179         WREG32_P(mmGRBM_GFX_INDEX, 0, ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK);
 180         mutex_unlock(&adev->grbm_idx_mutex);
 181
 182         ring = &adev->vce.ring[0];
 183         WREG32(mmVCE_RB_RPTR, ring->wptr);
 184         WREG32(mmVCE_RB_WPTR, ring->wptr);
 185         WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr);
 186         WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
 187         WREG32(mmVCE_RB_SIZE, ring->ring_size / 4);
 188
 189         ring = &adev->vce.ring[1];
 190         WREG32(mmVCE_RB_RPTR2, ring->wptr);
 191         WREG32(mmVCE_RB_WPTR2, ring->wptr);
 192         WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr);
 193         WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
 194         WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4);
 195
 196         return 0;
 197 }
 198
 199 #define ixVCE_HARVEST_FUSE_MACRO__ADDRESS     0xC0014074
 200 #define VCE_HARVEST_FUSE_MACRO__SHIFT       27
 201 #define VCE_HARVEST_FUSE_MACRO__MASK        0x18000000
 202
 203 static unsigned vce_v3_0_get_harvest_config(struct amdgpu_device *adev)
 204 {
 205         u32 tmp;
 206         unsigned ret;
 207
 208         if (adev->flags & AMDGPU_IS_APU)
 209                 tmp = (RREG32_SMC(ixVCE_HARVEST_FUSE_MACRO__ADDRESS) &
 210                        VCE_HARVEST_FUSE_MACRO__MASK) >>
 211                         VCE_HARVEST_FUSE_MACRO__SHIFT;
 212         else
 213                 tmp = (RREG32_SMC(ixCC_HARVEST_FUSES) &
 214                        CC_HARVEST_FUSES__VCE_DISABLE_MASK) >>
 215                         CC_HARVEST_FUSES__VCE_DISABLE__SHIFT;
 216
 217         switch (tmp) {
 218         case 1:
 219                 ret = AMDGPU_VCE_HARVEST_VCE0;
 220                 break;
 221         case 2:
 222                 ret = AMDGPU_VCE_HARVEST_VCE1;
 223                 break;
 224         case 3:
 225                 ret = AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1;
 226                 break;
 227         default:
 228                 ret = 0;
 229         }
 230
 231         return ret;
 232 }
 233
 234 static int vce_v3_0_early_init(void *handle)
 235 {
 236         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 237
 238         adev->vce.harvest_config = vce_v3_0_get_harvest_config(adev);
 239
 240         if ((adev->vce.harvest_config &
 241              (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1)) ==
 242             (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1))
 243                 return -ENOENT;
 244
 245         vce_v3_0_set_ring_funcs(adev);
 246         vce_v3_0_set_irq_funcs(adev);
 247
 248         return 0;
 249 }
 250
 251 static int vce_v3_0_sw_init(void *handle)
 252 {
 253         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 254         struct amdgpu_ring *ring;
 255         int r;
 256
 257         /* VCE */
 258         r = amdgpu_irq_add_id(adev, 167, &adev->vce.irq);
 259         if (r)
 260                 return r;
 261
 262         r = amdgpu_vce_sw_init(adev, VCE_V3_0_FW_SIZE +
 263                 (VCE_V3_0_STACK_SIZE + VCE_V3_0_DATA_SIZE) * 2);
 264         if (r)
 265                 return r;
 266
 267         r = amdgpu_vce_resume(adev);
 268         if (r)
 269                 return r;
 270
 271         ring = &adev->vce.ring[0];
 272         sprintf(ring->name, "vce0");
 273         r = amdgpu_ring_init(adev, ring, 4096, VCE_CMD_NO_OP, 0xf,
 274                              &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE);
 275         if (r)
 276                 return r;
 277
 278         ring = &adev->vce.ring[1];
 279         sprintf(ring->name, "vce1");
 280         r = amdgpu_ring_init(adev, ring, 4096, VCE_CMD_NO_OP, 0xf,
 281                              &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE);
 282         if (r)
 283                 return r;
 284
 285         return r;
 286 }
 287
 288 static int vce_v3_0_sw_fini(void *handle)
 289 {
 290         int r;
 291         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 292
 293         r = amdgpu_vce_suspend(adev);
 294         if (r)
 295                 return r;
 296
 297         r = amdgpu_vce_sw_fini(adev);
 298         if (r)
 299                 return r;
 300
 301         return r;
 302 }
 303
 304 static int vce_v3_0_hw_init(void *handle)
 305 {
 306         struct amdgpu_ring *ring;
 307         int r;
 308         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 309
 310         r = vce_v3_0_start(adev);
 311         if (r)
 312                 return r;
 313
 314         ring = &adev->vce.ring[0];
 315         ring->ready = true;
 316         r = amdgpu_ring_test_ring(ring);
 317         if (r) {
 318                 ring->ready = false;
 319                 return r;
 320         }
 321
 322         ring = &adev->vce.ring[1];
 323         ring->ready = true;
 324         r = amdgpu_ring_test_ring(ring);
 325         if (r) {
 326                 ring->ready = false;
 327                 return r;
 328         }
 329
 330         DRM_INFO("VCE initialized successfully.\n");
 331
 332         return 0;
 333 }
 334
 335 static int vce_v3_0_hw_fini(void *handle)
 336 {
 337         return 0;
 338 }
 339
 340 static int vce_v3_0_suspend(void *handle)
 341 {
 342         int r;
 343         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 344
 345         r = vce_v3_0_hw_fini(adev);
 346         if (r)
 347                 return r;
 348
 349         r = amdgpu_vce_suspend(adev);
 350         if (r)
 351                 return r;
 352
 353         return r;
 354 }
 355
 356 static int vce_v3_0_resume(void *handle)
 357 {
 358         int r;
 359         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 360
 361         r = amdgpu_vce_resume(adev);
 362         if (r)
 363                 return r;
 364
 365         r = vce_v3_0_hw_init(adev);
 366         if (r)
 367                 return r;
 368
 369         return r;
 370 }
 371
 372 static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx)
 373 {
 374         uint32_t offset, size;
 375
 376         WREG32_P(mmVCE_CLOCK_GATING_A, 0, ~(1 << 16));
 377         WREG32_P(mmVCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000);
 378         WREG32_P(mmVCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F);
 379         WREG32(mmVCE_CLOCK_GATING_B, 0xf7);
 380
 381         WREG32(mmVCE_LMI_CTRL, 0x00398000);
 382         WREG32_P(mmVCE_LMI_CACHE_CTRL, 0x0, ~0x1);
 383         WREG32(mmVCE_LMI_SWAP_CNTL, 0);
 384         WREG32(mmVCE_LMI_SWAP_CNTL1, 0);
 385         WREG32(mmVCE_LMI_VM_CTRL, 0);
 386
 387         WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR, (adev->vce.gpu_addr >> 8));
 388         offset = AMDGPU_VCE_FIRMWARE_OFFSET;
 389         size = VCE_V3_0_FW_SIZE;
 390         WREG32(mmVCE_VCPU_CACHE_OFFSET0, offset & 0x7fffffff);
 391         WREG32(mmVCE_VCPU_CACHE_SIZE0, size);
 392
 393         if (idx == 0) {
 394                 offset += size;
 395                 size = VCE_V3_0_STACK_SIZE;
 396                 WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0x7fffffff);
 397                 WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
 398                 offset += size;
 399                 size = VCE_V3_0_DATA_SIZE;
 400                 WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0x7fffffff);
 401                 WREG32(mmVCE_VCPU_CACHE_SIZE2, size);
 402         } else {
 403                 offset += size + VCE_V3_0_STACK_SIZE + VCE_V3_0_DATA_SIZE;
 404                 size = VCE_V3_0_STACK_SIZE;
 405                 WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0xfffffff);
 406                 WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
 407                 offset += size;
 408                 size = VCE_V3_0_DATA_SIZE;
 409                 WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0xfffffff);
 410                 WREG32(mmVCE_VCPU_CACHE_SIZE2, size);
 411         }
 412
 413         WREG32_P(mmVCE_LMI_CTRL2, 0x0, ~0x100);
 414
 415         WREG32_P(mmVCE_SYS_INT_EN, VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK,
 416                  ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
 417 }
 418
 419 static bool vce_v3_0_is_idle(void *handle)
 420 {
 421         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 422
 423         return !(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK);
 424 }
 425
 426 static int vce_v3_0_wait_for_idle(void *handle)
 427 {
 428         unsigned i;
 429         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 430
 431         for (i = 0; i < adev->usec_timeout; i++) {
 432                 if (!(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK))
 433                         return 0;
 434         }
 435         return -ETIMEDOUT;
 436 }
 437
 438 static int vce_v3_0_soft_reset(void *handle)
 439 {
 440         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 441
 442         WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_VCE_MASK,
 443                         ~SRBM_SOFT_RESET__SOFT_RESET_VCE_MASK);
 444         mdelay(5);
 445
 446         return vce_v3_0_start(adev);
 447 }
 448
 449 static void vce_v3_0_print_status(void *handle)
 450 {
 451         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 452
 453         dev_info(adev->dev, "VCE 3.0 registers\n");
 454         dev_info(adev->dev, "  VCE_STATUS=0x%08X\n",
 455                  RREG32(mmVCE_STATUS));
 456         dev_info(adev->dev, "  VCE_VCPU_CNTL=0x%08X\n",
 457                  RREG32(mmVCE_VCPU_CNTL));
 458         dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET0=0x%08X\n",
 459                  RREG32(mmVCE_VCPU_CACHE_OFFSET0));
 460         dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE0=0x%08X\n",
 461                  RREG32(mmVCE_VCPU_CACHE_SIZE0));
 462         dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET1=0x%08X\n",
 463                  RREG32(mmVCE_VCPU_CACHE_OFFSET1));
 464         dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE1=0x%08X\n",
 465                  RREG32(mmVCE_VCPU_CACHE_SIZE1));
 466         dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET2=0x%08X\n",
 467                  RREG32(mmVCE_VCPU_CACHE_OFFSET2));
 468         dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE2=0x%08X\n",
 469                  RREG32(mmVCE_VCPU_CACHE_SIZE2));
 470         dev_info(adev->dev, "  VCE_SOFT_RESET=0x%08X\n",
 471                  RREG32(mmVCE_SOFT_RESET));
 472         dev_info(adev->dev, "  VCE_RB_BASE_LO2=0x%08X\n",
 473                  RREG32(mmVCE_RB_BASE_LO2));
 474         dev_info(adev->dev, "  VCE_RB_BASE_HI2=0x%08X\n",
 475                  RREG32(mmVCE_RB_BASE_HI2));
 476         dev_info(adev->dev, "  VCE_RB_SIZE2=0x%08X\n",
 477                  RREG32(mmVCE_RB_SIZE2));
 478         dev_info(adev->dev, "  VCE_RB_RPTR2=0x%08X\n",
 479                  RREG32(mmVCE_RB_RPTR2));
 480         dev_info(adev->dev, "  VCE_RB_WPTR2=0x%08X\n",
 481                  RREG32(mmVCE_RB_WPTR2));
 482         dev_info(adev->dev, "  VCE_RB_BASE_LO=0x%08X\n",
 483                  RREG32(mmVCE_RB_BASE_LO));
 484         dev_info(adev->dev, "  VCE_RB_BASE_HI=0x%08X\n",
 485                  RREG32(mmVCE_RB_BASE_HI));
 486         dev_info(adev->dev, "  VCE_RB_SIZE=0x%08X\n",
 487                  RREG32(mmVCE_RB_SIZE));
 488         dev_info(adev->dev, "  VCE_RB_RPTR=0x%08X\n",
 489                  RREG32(mmVCE_RB_RPTR));
 490         dev_info(adev->dev, "  VCE_RB_WPTR=0x%08X\n",
 491                  RREG32(mmVCE_RB_WPTR));
 492         dev_info(adev->dev, "  VCE_CLOCK_GATING_A=0x%08X\n",
 493                  RREG32(mmVCE_CLOCK_GATING_A));
 494         dev_info(adev->dev, "  VCE_CLOCK_GATING_B=0x%08X\n",
 495                  RREG32(mmVCE_CLOCK_GATING_B));
 496         dev_info(adev->dev, "  VCE_UENC_CLOCK_GATING=0x%08X\n",
 497                  RREG32(mmVCE_UENC_CLOCK_GATING));
 498         dev_info(adev->dev, "  VCE_UENC_REG_CLOCK_GATING=0x%08X\n",
 499                  RREG32(mmVCE_UENC_REG_CLOCK_GATING));
 500         dev_info(adev->dev, "  VCE_SYS_INT_EN=0x%08X\n",
 501                  RREG32(mmVCE_SYS_INT_EN));
 502         dev_info(adev->dev, "  VCE_LMI_CTRL2=0x%08X\n",
 503                  RREG32(mmVCE_LMI_CTRL2));
 504         dev_info(adev->dev, "  VCE_LMI_CTRL=0x%08X\n",
 505                  RREG32(mmVCE_LMI_CTRL));
 506         dev_info(adev->dev, "  VCE_LMI_VM_CTRL=0x%08X\n",
 507                  RREG32(mmVCE_LMI_VM_CTRL));
 508         dev_info(adev->dev, "  VCE_LMI_SWAP_CNTL=0x%08X\n",
 509                  RREG32(mmVCE_LMI_SWAP_CNTL));
 510         dev_info(adev->dev, "  VCE_LMI_SWAP_CNTL1=0x%08X\n",
 511                  RREG32(mmVCE_LMI_SWAP_CNTL1));
 512         dev_info(adev->dev, "  VCE_LMI_CACHE_CTRL=0x%08X\n",
 513                  RREG32(mmVCE_LMI_CACHE_CTRL));
 514 }
 515
 516 static int vce_v3_0_set_interrupt_state(struct amdgpu_device *adev,
 517                                         struct amdgpu_irq_src *source,
 518                                         unsigned type,
 519                                         enum amdgpu_interrupt_state state)
 520 {
 521         uint32_t val = 0;
 522
 523         if (state == AMDGPU_IRQ_STATE_ENABLE)
 524                 val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK;
 525
 526         WREG32_P(mmVCE_SYS_INT_EN, val, ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
 527         return 0;
 528 }
 529
 530 static int vce_v3_0_process_interrupt(struct amdgpu_device *adev,
 531                                       struct amdgpu_irq_src *source,
 532                                       struct amdgpu_iv_entry *entry)
 533 {
 534         DRM_DEBUG("IH: VCE\n");
 535         switch (entry->src_data) {
 536         case 0:
 537                 amdgpu_fence_process(&adev->vce.ring[0]);
 538                 break;
 539         case 1:
 540                 amdgpu_fence_process(&adev->vce.ring[1]);
 541                 break;
 542         default:
 543                 DRM_ERROR("Unhandled interrupt: %d %d\n",
 544                           entry->src_id, entry->src_data);
 545                 break;
 546         }
 547
 548         return 0;
 549 }
 550
 551 static int vce_v3_0_set_clockgating_state(void *handle,
 552                                           enum amd_clockgating_state state)
 553 {
 554         return 0;
 555 }
 556
 557 static int vce_v3_0_set_powergating_state(void *handle,
 558                                           enum amd_powergating_state state)
 559 {
 560         /* This doesn't actually powergate the VCE block.
 561          * That's done in the dpm code via the SMC.  This
 562          * just re-inits the block as necessary.  The actual
 563          * gating still happens in the dpm code.  We should
 564          * revisit this when there is a cleaner line between
 565          * the smc and the hw blocks
 566          */
 567         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 568
 569         if (state == AMD_PG_STATE_GATE)
 570                 /* XXX do we need a vce_v3_0_stop()? */
 571                 return 0;
 572         else
 573                 return vce_v3_0_start(adev);
 574 }
 575
 576 const struct amd_ip_funcs vce_v3_0_ip_funcs = {
 577         .early_init = vce_v3_0_early_init,
 578         .late_init = NULL,
 579         .sw_init = vce_v3_0_sw_init,
 580         .sw_fini = vce_v3_0_sw_fini,
 581         .hw_init = vce_v3_0_hw_init,
 582         .hw_fini = vce_v3_0_hw_fini,
 583         .suspend = vce_v3_0_suspend,
 584         .resume = vce_v3_0_resume,
 585         .is_idle = vce_v3_0_is_idle,
 586         .wait_for_idle = vce_v3_0_wait_for_idle,
 587         .soft_reset = vce_v3_0_soft_reset,
 588         .print_status = vce_v3_0_print_status,
 589         .set_clockgating_state = vce_v3_0_set_clockgating_state,
 590         .set_powergating_state = vce_v3_0_set_powergating_state,
 591 };
 592
 593 static const struct amdgpu_ring_funcs vce_v3_0_ring_funcs = {
 594         .get_rptr = vce_v3_0_ring_get_rptr,
 595         .get_wptr = vce_v3_0_ring_get_wptr,
 596         .set_wptr = vce_v3_0_ring_set_wptr,
 597         .parse_cs = amdgpu_vce_ring_parse_cs,
 598         .emit_ib = amdgpu_vce_ring_emit_ib,
 599         .emit_fence = amdgpu_vce_ring_emit_fence,
 600         .emit_semaphore = amdgpu_vce_ring_emit_semaphore,
 601         .test_ring = amdgpu_vce_ring_test_ring,
 602         .test_ib = amdgpu_vce_ring_test_ib,
 603         .is_lockup = amdgpu_ring_test_lockup,
 604 };
 605
 606 static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev)
 607 {
 608         adev->vce.ring[0].funcs = &vce_v3_0_ring_funcs;
 609         adev->vce.ring[1].funcs = &vce_v3_0_ring_funcs;
 610 }
 611
 612 static const struct amdgpu_irq_src_funcs vce_v3_0_irq_funcs = {
 613         .set = vce_v3_0_set_interrupt_state,
 614         .process = vce_v3_0_process_interrupt,
 615 };
 616
 617 static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev)
 618 {
 619         adev->vce.irq.num_types = 1;
 620         adev->vce.irq.funcs = &vce_v3_0_irq_funcs;
 621 };