drivers/gpu/drm/amd/amdgpu/jpeg_v3_0.c

   1 /*
   2  * Copyright 2019 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 "amdgpu.h"
  25 #include "amdgpu_jpeg.h"
  26 #include "amdgpu_pm.h"
  27 #include "soc15.h"
  28 #include "soc15d.h"
  29 #include "jpeg_v2_0.h"
  30
  31 #include "vcn/vcn_3_0_0_offset.h"
  32 #include "vcn/vcn_3_0_0_sh_mask.h"
  33 #include "ivsrcid/vcn/irqsrcs_vcn_2_0.h"
  34
  35 #define mmUVD_JPEG_PITCH_INTERNAL_OFFSET        0x401f
  36
  37 static void jpeg_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev);
  38 static void jpeg_v3_0_set_irq_funcs(struct amdgpu_device *adev);
  39 static int jpeg_v3_0_set_powergating_state(void *handle,
  40                                 enum amd_powergating_state state);
  41
  42 /**
  43  * jpeg_v3_0_early_init - set function pointers
  44  *
  45  * @handle: amdgpu_device pointer
  46  *
  47  * Set ring and irq function pointers
  48  */
  49 static int jpeg_v3_0_early_init(void *handle)
  50 {
  51         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  52         u32 harvest = RREG32_SOC15(JPEG, 0, mmCC_UVD_HARVESTING);
  53
  54         if (harvest & CC_UVD_HARVESTING__UVD_DISABLE_MASK)
  55                 return -ENOENT;
  56
  57         adev->jpeg.num_jpeg_inst = 1;
  58
  59         jpeg_v3_0_set_dec_ring_funcs(adev);
  60         jpeg_v3_0_set_irq_funcs(adev);
  61
  62         return 0;
  63 }
  64
  65 /**
  66  * jpeg_v3_0_sw_init - sw init for JPEG block
  67  *
  68  * @handle: amdgpu_device pointer
  69  *
  70  * Load firmware and sw initialization
  71  */
  72 static int jpeg_v3_0_sw_init(void *handle)
  73 {
  74         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
  75         struct amdgpu_ring *ring;
  76         int r;
  77
  78         /* JPEG TRAP */
  79         r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN,
  80                 VCN_2_0__SRCID__JPEG_DECODE, &adev->jpeg.inst->irq);
  81         if (r)
  82                 return r;
  83
  84         r = amdgpu_jpeg_sw_init(adev);
  85         if (r)
  86                 return r;
  87
  88         r = amdgpu_jpeg_resume(adev);
  89         if (r)
  90                 return r;
  91
  92         ring = &adev->jpeg.inst->ring_dec;
  93         ring->use_doorbell = true;
  94         ring->doorbell_index = (adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1;
  95         sprintf(ring->name, "jpeg_dec");
  96         r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq, 0,
  97                              AMDGPU_RING_PRIO_DEFAULT, NULL);
  98         if (r)
  99                 return r;
 100
 101         adev->jpeg.internal.jpeg_pitch = mmUVD_JPEG_PITCH_INTERNAL_OFFSET;
 102         adev->jpeg.inst->external.jpeg_pitch = SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_PITCH);
 103
 104         return 0;
 105 }
 106
 107 /**
 108  * jpeg_v3_0_sw_fini - sw fini for JPEG block
 109  *
 110  * @handle: amdgpu_device pointer
 111  *
 112  * JPEG suspend and free up sw allocation
 113  */
 114 static int jpeg_v3_0_sw_fini(void *handle)
 115 {
 116         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 117         int r;
 118
 119         r = amdgpu_jpeg_suspend(adev);
 120         if (r)
 121                 return r;
 122
 123         r = amdgpu_jpeg_sw_fini(adev);
 124
 125         return r;
 126 }
 127
 128 /**
 129  * jpeg_v3_0_hw_init - start and test JPEG block
 130  *
 131  * @handle: amdgpu_device pointer
 132  *
 133  */
 134 static int jpeg_v3_0_hw_init(void *handle)
 135 {
 136         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 137         struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
 138         int r;
 139
 140         adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell,
 141                 (adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0);
 142
 143         r = amdgpu_ring_test_helper(ring);
 144         if (r)
 145                 return r;
 146
 147         DRM_INFO("JPEG decode initialized successfully.\n");
 148
 149         return 0;
 150 }
 151
 152 /**
 153  * jpeg_v3_0_hw_fini - stop the hardware block
 154  *
 155  * @handle: amdgpu_device pointer
 156  *
 157  * Stop the JPEG block, mark ring as not ready any more
 158  */
 159 static int jpeg_v3_0_hw_fini(void *handle)
 160 {
 161         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 162         struct amdgpu_ring *ring;
 163
 164         ring = &adev->jpeg.inst->ring_dec;
 165         if (adev->jpeg.cur_state != AMD_PG_STATE_GATE &&
 166               RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS))
 167                 jpeg_v3_0_set_powergating_state(adev, AMD_PG_STATE_GATE);
 168
 169         ring->sched.ready = false;
 170
 171         return 0;
 172 }
 173
 174 /**
 175  * jpeg_v3_0_suspend - suspend JPEG block
 176  *
 177  * @handle: amdgpu_device pointer
 178  *
 179  * HW fini and suspend JPEG block
 180  */
 181 static int jpeg_v3_0_suspend(void *handle)
 182 {
 183         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 184         int r;
 185
 186         r = jpeg_v3_0_hw_fini(adev);
 187         if (r)
 188                 return r;
 189
 190         r = amdgpu_jpeg_suspend(adev);
 191
 192         return r;
 193 }
 194
 195 /**
 196  * jpeg_v3_0_resume - resume JPEG block
 197  *
 198  * @handle: amdgpu_device pointer
 199  *
 200  * Resume firmware and hw init JPEG block
 201  */
 202 static int jpeg_v3_0_resume(void *handle)
 203 {
 204         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 205         int r;
 206
 207         r = amdgpu_jpeg_resume(adev);
 208         if (r)
 209                 return r;
 210
 211         r = jpeg_v3_0_hw_init(adev);
 212
 213         return r;
 214 }
 215
 216 static void jpeg_v3_0_disable_clock_gating(struct amdgpu_device *adev)
 217 {
 218         uint32_t data = 0;
 219
 220         data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
 221         if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG)
 222                 data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 223         else
 224                 data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT;
 225
 226         data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT;
 227         data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT;
 228         WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
 229
 230         data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
 231         data &= ~(JPEG_CGC_GATE__JPEG_DEC_MASK
 232                 | JPEG_CGC_GATE__JPEG2_DEC_MASK
 233                 | JPEG_CGC_GATE__JPEG_ENC_MASK
 234                 | JPEG_CGC_GATE__JMCIF_MASK
 235                 | JPEG_CGC_GATE__JRBBM_MASK);
 236         WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
 237
 238         data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL);
 239         data &= ~(JPEG_CGC_CTRL__JPEG_DEC_MODE_MASK
 240                 | JPEG_CGC_CTRL__JPEG2_DEC_MODE_MASK
 241                 | JPEG_CGC_CTRL__JMCIF_MODE_MASK
 242                 | JPEG_CGC_CTRL__JRBBM_MODE_MASK);
 243         WREG32_SOC15(JPEG, 0, mmJPEG_CGC_CTRL, data);
 244 }
 245
 246 static void jpeg_v3_0_enable_clock_gating(struct amdgpu_device *adev)
 247 {
 248         uint32_t data = 0;
 249
 250         data = RREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE);
 251         data |= (JPEG_CGC_GATE__JPEG_DEC_MASK
 252                 |JPEG_CGC_GATE__JPEG2_DEC_MASK
 253                 |JPEG_CGC_GATE__JPEG_ENC_MASK
 254                 |JPEG_CGC_GATE__JMCIF_MASK
 255                 |JPEG_CGC_GATE__JRBBM_MASK);
 256         WREG32_SOC15(JPEG, 0, mmJPEG_CGC_GATE, data);
 257 }
 258
 259 static int jpeg_v3_0_disable_static_power_gating(struct amdgpu_device *adev)
 260 {
 261         if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
 262                 uint32_t data = 0;
 263                 int r = 0;
 264
 265                 data = 1 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
 266                 WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
 267
 268                 r = SOC15_WAIT_ON_RREG(JPEG, 0,
 269                         mmUVD_PGFSM_STATUS, UVD_PGFSM_STATUS_UVDJ_PWR_ON,
 270                         UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
 271
 272                 if (r) {
 273                         DRM_ERROR("amdgpu: JPEG disable power gating failed\n");
 274                         return r;
 275                 }
 276         }
 277
 278         /* disable anti hang mechanism */
 279         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), 0,
 280                 ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
 281
 282         /* keep the JPEG in static PG mode */
 283         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS), 0,
 284                 ~UVD_JPEG_POWER_STATUS__JPEG_PG_MODE_MASK);
 285
 286         return 0;
 287 }
 288
 289 static int jpeg_v3_0_enable_static_power_gating(struct amdgpu_device *adev)
 290 {
 291         /* enable anti hang mechanism */
 292         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JPEG_POWER_STATUS),
 293                 UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK,
 294                 ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK);
 295
 296         if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) {
 297                 uint32_t data = 0;
 298                 int r = 0;
 299
 300                 data = 2 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT;
 301                 WREG32(SOC15_REG_OFFSET(JPEG, 0, mmUVD_PGFSM_CONFIG), data);
 302
 303                 r = SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_PGFSM_STATUS,
 304                         (2 << UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT),
 305                         UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK);
 306
 307                 if (r) {
 308                         DRM_ERROR("amdgpu: JPEG enable power gating failed\n");
 309                         return r;
 310                 }
 311         }
 312
 313         return 0;
 314 }
 315
 316 /**
 317  * jpeg_v3_0_start - start JPEG block
 318  *
 319  * @adev: amdgpu_device pointer
 320  *
 321  * Setup and start the JPEG block
 322  */
 323 static int jpeg_v3_0_start(struct amdgpu_device *adev)
 324 {
 325         struct amdgpu_ring *ring = &adev->jpeg.inst->ring_dec;
 326         int r;
 327
 328         if (adev->pm.dpm_enabled)
 329                 amdgpu_dpm_enable_jpeg(adev, true);
 330
 331         /* disable power gating */
 332         r = jpeg_v3_0_disable_static_power_gating(adev);
 333         if (r)
 334                 return r;
 335
 336         /* JPEG disable CGC */
 337         jpeg_v3_0_disable_clock_gating(adev);
 338
 339         /* MJPEG global tiling registers */
 340         WREG32_SOC15(JPEG, 0, mmJPEG_DEC_GFX10_ADDR_CONFIG,
 341                 adev->gfx.config.gb_addr_config);
 342         WREG32_SOC15(JPEG, 0, mmJPEG_ENC_GFX10_ADDR_CONFIG,
 343                 adev->gfx.config.gb_addr_config);
 344
 345         /* enable JMI channel */
 346         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL), 0,
 347                 ~UVD_JMI_CNTL__SOFT_RESET_MASK);
 348
 349         /* enable System Interrupt for JRBC */
 350         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmJPEG_SYS_INT_EN),
 351                 JPEG_SYS_INT_EN__DJRBC_MASK,
 352                 ~JPEG_SYS_INT_EN__DJRBC_MASK);
 353
 354         WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_VMID, 0);
 355         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, (0x00000001L | 0x00000002L));
 356         WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_LOW,
 357                 lower_32_bits(ring->gpu_addr));
 358         WREG32_SOC15(JPEG, 0, mmUVD_LMI_JRBC_RB_64BIT_BAR_HIGH,
 359                 upper_32_bits(ring->gpu_addr));
 360         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR, 0);
 361         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, 0);
 362         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_CNTL, 0x00000002L);
 363         WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_SIZE, ring->ring_size / 4);
 364         ring->wptr = RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
 365
 366         return 0;
 367 }
 368
 369 /**
 370  * jpeg_v3_0_stop - stop JPEG block
 371  *
 372  * @adev: amdgpu_device pointer
 373  *
 374  * stop the JPEG block
 375  */
 376 static int jpeg_v3_0_stop(struct amdgpu_device *adev)
 377 {
 378         int r;
 379
 380         /* reset JMI */
 381         WREG32_P(SOC15_REG_OFFSET(JPEG, 0, mmUVD_JMI_CNTL),
 382                 UVD_JMI_CNTL__SOFT_RESET_MASK,
 383                 ~UVD_JMI_CNTL__SOFT_RESET_MASK);
 384
 385         jpeg_v3_0_enable_clock_gating(adev);
 386
 387         /* enable power gating */
 388         r = jpeg_v3_0_enable_static_power_gating(adev);
 389         if (r)
 390                 return r;
 391
 392         if (adev->pm.dpm_enabled)
 393                 amdgpu_dpm_enable_jpeg(adev, false);
 394
 395         return 0;
 396 }
 397
 398 /**
 399  * jpeg_v3_0_dec_ring_get_rptr - get read pointer
 400  *
 401  * @ring: amdgpu_ring pointer
 402  *
 403  * Returns the current hardware read pointer
 404  */
 405 static uint64_t jpeg_v3_0_dec_ring_get_rptr(struct amdgpu_ring *ring)
 406 {
 407         struct amdgpu_device *adev = ring->adev;
 408
 409         return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_RPTR);
 410 }
 411
 412 /**
 413  * jpeg_v3_0_dec_ring_get_wptr - get write pointer
 414  *
 415  * @ring: amdgpu_ring pointer
 416  *
 417  * Returns the current hardware write pointer
 418  */
 419 static uint64_t jpeg_v3_0_dec_ring_get_wptr(struct amdgpu_ring *ring)
 420 {
 421         struct amdgpu_device *adev = ring->adev;
 422
 423         if (ring->use_doorbell)
 424                 return adev->wb.wb[ring->wptr_offs];
 425         else
 426                 return RREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR);
 427 }
 428
 429 /**
 430  * jpeg_v3_0_dec_ring_set_wptr - set write pointer
 431  *
 432  * @ring: amdgpu_ring pointer
 433  *
 434  * Commits the write pointer to the hardware
 435  */
 436 static void jpeg_v3_0_dec_ring_set_wptr(struct amdgpu_ring *ring)
 437 {
 438         struct amdgpu_device *adev = ring->adev;
 439
 440         if (ring->use_doorbell) {
 441                 adev->wb.wb[ring->wptr_offs] = lower_32_bits(ring->wptr);
 442                 WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr));
 443         } else {
 444                 WREG32_SOC15(JPEG, 0, mmUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr));
 445         }
 446 }
 447
 448 static bool jpeg_v3_0_is_idle(void *handle)
 449 {
 450         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 451         int ret = 1;
 452
 453         ret &= (((RREG32_SOC15(JPEG, 0, mmUVD_JRBC_STATUS) &
 454                 UVD_JRBC_STATUS__RB_JOB_DONE_MASK) ==
 455                 UVD_JRBC_STATUS__RB_JOB_DONE_MASK));
 456
 457         return ret;
 458 }
 459
 460 static int jpeg_v3_0_wait_for_idle(void *handle)
 461 {
 462         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 463
 464         return SOC15_WAIT_ON_RREG(JPEG, 0, mmUVD_JRBC_STATUS,
 465                 UVD_JRBC_STATUS__RB_JOB_DONE_MASK,
 466                 UVD_JRBC_STATUS__RB_JOB_DONE_MASK);
 467 }
 468
 469 static int jpeg_v3_0_set_clockgating_state(void *handle,
 470                                           enum amd_clockgating_state state)
 471 {
 472         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 473         bool enable = (state == AMD_CG_STATE_GATE) ? true : false;
 474
 475         if (enable) {
 476                 if (!jpeg_v3_0_is_idle(handle))
 477                         return -EBUSY;
 478                 jpeg_v3_0_enable_clock_gating(adev);
 479         } else {
 480                 jpeg_v3_0_disable_clock_gating(adev);
 481         }
 482
 483         return 0;
 484 }
 485
 486 static int jpeg_v3_0_set_powergating_state(void *handle,
 487                                           enum amd_powergating_state state)
 488 {
 489         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 490         int ret;
 491
 492         if(state == adev->jpeg.cur_state)
 493                 return 0;
 494
 495         if (state == AMD_PG_STATE_GATE)
 496                 ret = jpeg_v3_0_stop(adev);
 497         else
 498                 ret = jpeg_v3_0_start(adev);
 499
 500         if(!ret)
 501                 adev->jpeg.cur_state = state;
 502
 503         return ret;
 504 }
 505
 506 static int jpeg_v3_0_set_interrupt_state(struct amdgpu_device *adev,
 507                                         struct amdgpu_irq_src *source,
 508                                         unsigned type,
 509                                         enum amdgpu_interrupt_state state)
 510 {
 511         return 0;
 512 }
 513
 514 static int jpeg_v3_0_process_interrupt(struct amdgpu_device *adev,
 515                                       struct amdgpu_irq_src *source,
 516                                       struct amdgpu_iv_entry *entry)
 517 {
 518         DRM_DEBUG("IH: JPEG TRAP\n");
 519
 520         switch (entry->src_id) {
 521         case VCN_2_0__SRCID__JPEG_DECODE:
 522                 amdgpu_fence_process(&adev->jpeg.inst->ring_dec);
 523                 break;
 524         default:
 525                 DRM_ERROR("Unhandled interrupt: %d %d\n",
 526                           entry->src_id, entry->src_data[0]);
 527                 break;
 528         }
 529
 530         return 0;
 531 }
 532
 533 static const struct amd_ip_funcs jpeg_v3_0_ip_funcs = {
 534         .name = "jpeg_v3_0",
 535         .early_init = jpeg_v3_0_early_init,
 536         .late_init = NULL,
 537         .sw_init = jpeg_v3_0_sw_init,
 538         .sw_fini = jpeg_v3_0_sw_fini,
 539         .hw_init = jpeg_v3_0_hw_init,
 540         .hw_fini = jpeg_v3_0_hw_fini,
 541         .suspend = jpeg_v3_0_suspend,
 542         .resume = jpeg_v3_0_resume,
 543         .is_idle = jpeg_v3_0_is_idle,
 544         .wait_for_idle = jpeg_v3_0_wait_for_idle,
 545         .check_soft_reset = NULL,
 546         .pre_soft_reset = NULL,
 547         .soft_reset = NULL,
 548         .post_soft_reset = NULL,
 549         .set_clockgating_state = jpeg_v3_0_set_clockgating_state,
 550         .set_powergating_state = jpeg_v3_0_set_powergating_state,
 551 };
 552
 553 static const struct amdgpu_ring_funcs jpeg_v3_0_dec_ring_vm_funcs = {
 554         .type = AMDGPU_RING_TYPE_VCN_JPEG,
 555         .align_mask = 0xf,
 556         .vmhub = AMDGPU_MMHUB_0,
 557         .get_rptr = jpeg_v3_0_dec_ring_get_rptr,
 558         .get_wptr = jpeg_v3_0_dec_ring_get_wptr,
 559         .set_wptr = jpeg_v3_0_dec_ring_set_wptr,
 560         .emit_frame_size =
 561                 SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 +
 562                 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 +
 563                 8 + /* jpeg_v3_0_dec_ring_emit_vm_flush */
 564                 18 + 18 + /* jpeg_v3_0_dec_ring_emit_fence x2 vm fence */
 565                 8 + 16,
 566         .emit_ib_size = 22, /* jpeg_v3_0_dec_ring_emit_ib */
 567         .emit_ib = jpeg_v2_0_dec_ring_emit_ib,
 568         .emit_fence = jpeg_v2_0_dec_ring_emit_fence,
 569         .emit_vm_flush = jpeg_v2_0_dec_ring_emit_vm_flush,
 570         .test_ring = amdgpu_jpeg_dec_ring_test_ring,
 571         .test_ib = amdgpu_jpeg_dec_ring_test_ib,
 572         .insert_nop = jpeg_v2_0_dec_ring_nop,
 573         .insert_start = jpeg_v2_0_dec_ring_insert_start,
 574         .insert_end = jpeg_v2_0_dec_ring_insert_end,
 575         .pad_ib = amdgpu_ring_generic_pad_ib,
 576         .begin_use = amdgpu_jpeg_ring_begin_use,
 577         .end_use = amdgpu_jpeg_ring_end_use,
 578         .emit_wreg = jpeg_v2_0_dec_ring_emit_wreg,
 579         .emit_reg_wait = jpeg_v2_0_dec_ring_emit_reg_wait,
 580         .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper,
 581 };
 582
 583 static void jpeg_v3_0_set_dec_ring_funcs(struct amdgpu_device *adev)
 584 {
 585         adev->jpeg.inst->ring_dec.funcs = &jpeg_v3_0_dec_ring_vm_funcs;
 586         DRM_INFO("JPEG decode is enabled in VM mode\n");
 587 }
 588
 589 static const struct amdgpu_irq_src_funcs jpeg_v3_0_irq_funcs = {
 590         .set = jpeg_v3_0_set_interrupt_state,
 591         .process = jpeg_v3_0_process_interrupt,
 592 };
 593
 594 static void jpeg_v3_0_set_irq_funcs(struct amdgpu_device *adev)
 595 {
 596         adev->jpeg.inst->irq.num_types = 1;
 597         adev->jpeg.inst->irq.funcs = &jpeg_v3_0_irq_funcs;
 598 }
 599
 600 const struct amdgpu_ip_block_version jpeg_v3_0_ip_block =
 601 {
 602         .type = AMD_IP_BLOCK_TYPE_JPEG,
 603         .major = 3,
 604         .minor = 0,
 605         .rev = 0,
 606         .funcs = &jpeg_v3_0_ip_funcs,
 607 };