kernel/drivers/gpu/drm/amd/amdgpu/vce_v2_0.c

   1 /*
   2  * Copyright 2013 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 "cikd.h"
  33
  34 #include "vce/vce_2_0_d.h"
  35 #include "vce/vce_2_0_sh_mask.h"
  36
  37 #include "oss/oss_2_0_d.h"
  38 #include "oss/oss_2_0_sh_mask.h"
  39
  40 #define VCE_V2_0_FW_SIZE        (256 * 1024)
  41 #define VCE_V2_0_STACK_SIZE     (64 * 1024)
  42 #define VCE_V2_0_DATA_SIZE      (23552 * AMDGPU_MAX_VCE_HANDLES)
  43
  44 static void vce_v2_0_mc_resume(struct amdgpu_device *adev);
  45 static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev);
  46 static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev);
  47
  48 /**
  49  * vce_v2_0_ring_get_rptr - get read pointer
  50  *
  51  * @ring: amdgpu_ring pointer
  52  *
  53  * Returns the current hardware read pointer
  54  */
  55 static uint32_t vce_v2_0_ring_get_rptr(struct amdgpu_ring *ring)
  56 {
  57         struct amdgpu_device *adev = ring->adev;
  58
  59         if (ring == &adev->vce.ring[0])
  60                 return RREG32(mmVCE_RB_RPTR);
  61         else
  62                 return RREG32(mmVCE_RB_RPTR2);
  63 }
  64
  65 /**
  66  * vce_v2_0_ring_get_wptr - get write pointer
  67  *
  68  * @ring: amdgpu_ring pointer
  69  *
  70  * Returns the current hardware write pointer
  71  */
  72 static uint32_t vce_v2_0_ring_get_wptr(struct amdgpu_ring *ring)
  73 {
  74         struct amdgpu_device *adev = ring->adev;
  75
  76         if (ring == &adev->vce.ring[0])
  77                 return RREG32(mmVCE_RB_WPTR);
  78         else
  79                 return RREG32(mmVCE_RB_WPTR2);
  80 }
  81
  82 /**
  83  * vce_v2_0_ring_set_wptr - set write pointer
  84  *
  85  * @ring: amdgpu_ring pointer
  86  *
  87  * Commits the write pointer to the hardware
  88  */
  89 static void vce_v2_0_ring_set_wptr(struct amdgpu_ring *ring)
  90 {
  91         struct amdgpu_device *adev = ring->adev;
  92
  93         if (ring == &adev->vce.ring[0])
  94                 WREG32(mmVCE_RB_WPTR, ring->wptr);
  95         else
  96                 WREG32(mmVCE_RB_WPTR2, ring->wptr);
  97 }
  98
  99 /**
 100  * vce_v2_0_start - start VCE block
 101  *
 102  * @adev: amdgpu_device pointer
 103  *
 104  * Setup and start the VCE block
 105  */
 106 static int vce_v2_0_start(struct amdgpu_device *adev)
 107 {
 108         struct amdgpu_ring *ring;
 109         int i, j, r;
 110
 111         vce_v2_0_mc_resume(adev);
 112
 113         /* set BUSY flag */
 114         WREG32_P(mmVCE_STATUS, 1, ~1);
 115
 116         ring = &adev->vce.ring[0];
 117         WREG32(mmVCE_RB_RPTR, ring->wptr);
 118         WREG32(mmVCE_RB_WPTR, ring->wptr);
 119         WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr);
 120         WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr));
 121         WREG32(mmVCE_RB_SIZE, ring->ring_size / 4);
 122
 123         ring = &adev->vce.ring[1];
 124         WREG32(mmVCE_RB_RPTR2, ring->wptr);
 125         WREG32(mmVCE_RB_WPTR2, ring->wptr);
 126         WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr);
 127         WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr));
 128         WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4);
 129
 130         WREG32_P(mmVCE_VCPU_CNTL, VCE_VCPU_CNTL__CLK_EN_MASK, ~VCE_VCPU_CNTL__CLK_EN_MASK);
 131
 132         WREG32_P(mmVCE_SOFT_RESET,
 133                  VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
 134                  ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
 135
 136         mdelay(100);
 137
 138         WREG32_P(mmVCE_SOFT_RESET, 0, ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
 139
 140         for (i = 0; i < 10; ++i) {
 141                 uint32_t status;
 142                 for (j = 0; j < 100; ++j) {
 143                         status = RREG32(mmVCE_STATUS);
 144                         if (status & 2)
 145                                 break;
 146                         mdelay(10);
 147                 }
 148                 r = 0;
 149                 if (status & 2)
 150                         break;
 151
 152                 DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n");
 153                 WREG32_P(mmVCE_SOFT_RESET, VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK,
 154                                 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
 155                 mdelay(10);
 156                 WREG32_P(mmVCE_SOFT_RESET, 0, ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK);
 157                 mdelay(10);
 158                 r = -1;
 159         }
 160
 161         /* clear BUSY flag */
 162         WREG32_P(mmVCE_STATUS, 0, ~1);
 163
 164         if (r) {
 165                 DRM_ERROR("VCE not responding, giving up!!!\n");
 166                 return r;
 167         }
 168
 169         return 0;
 170 }
 171
 172 static int vce_v2_0_early_init(void *handle)
 173 {
 174         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 175
 176         vce_v2_0_set_ring_funcs(adev);
 177         vce_v2_0_set_irq_funcs(adev);
 178
 179         return 0;
 180 }
 181
 182 static int vce_v2_0_sw_init(void *handle)
 183 {
 184         struct amdgpu_ring *ring;
 185         int r;
 186         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 187
 188         /* VCE */
 189         r = amdgpu_irq_add_id(adev, 167, &adev->vce.irq);
 190         if (r)
 191                 return r;
 192
 193         r = amdgpu_vce_sw_init(adev, VCE_V2_0_FW_SIZE +
 194                 VCE_V2_0_STACK_SIZE + VCE_V2_0_DATA_SIZE);
 195         if (r)
 196                 return r;
 197
 198         r = amdgpu_vce_resume(adev);
 199         if (r)
 200                 return r;
 201
 202         ring = &adev->vce.ring[0];
 203         sprintf(ring->name, "vce0");
 204         r = amdgpu_ring_init(adev, ring, 4096, VCE_CMD_NO_OP, 0xf,
 205                              &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE);
 206         if (r)
 207                 return r;
 208
 209         ring = &adev->vce.ring[1];
 210         sprintf(ring->name, "vce1");
 211         r = amdgpu_ring_init(adev, ring, 4096, VCE_CMD_NO_OP, 0xf,
 212                              &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE);
 213         if (r)
 214                 return r;
 215
 216         return r;
 217 }
 218
 219 static int vce_v2_0_sw_fini(void *handle)
 220 {
 221         int r;
 222         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 223
 224         r = amdgpu_vce_suspend(adev);
 225         if (r)
 226                 return r;
 227
 228         r = amdgpu_vce_sw_fini(adev);
 229         if (r)
 230                 return r;
 231
 232         return r;
 233 }
 234
 235 static int vce_v2_0_hw_init(void *handle)
 236 {
 237         struct amdgpu_ring *ring;
 238         int r;
 239         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 240
 241         r = vce_v2_0_start(adev);
 242         if (r)
 243                 return r;
 244
 245         ring = &adev->vce.ring[0];
 246         ring->ready = true;
 247         r = amdgpu_ring_test_ring(ring);
 248         if (r) {
 249                 ring->ready = false;
 250                 return r;
 251         }
 252
 253         ring = &adev->vce.ring[1];
 254         ring->ready = true;
 255         r = amdgpu_ring_test_ring(ring);
 256         if (r) {
 257                 ring->ready = false;
 258                 return r;
 259         }
 260
 261         DRM_INFO("VCE initialized successfully.\n");
 262
 263         return 0;
 264 }
 265
 266 static int vce_v2_0_hw_fini(void *handle)
 267 {
 268         return 0;
 269 }
 270
 271 static int vce_v2_0_suspend(void *handle)
 272 {
 273         int r;
 274         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 275
 276         r = vce_v2_0_hw_fini(adev);
 277         if (r)
 278                 return r;
 279
 280         r = amdgpu_vce_suspend(adev);
 281         if (r)
 282                 return r;
 283
 284         return r;
 285 }
 286
 287 static int vce_v2_0_resume(void *handle)
 288 {
 289         int r;
 290         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 291
 292         r = amdgpu_vce_resume(adev);
 293         if (r)
 294                 return r;
 295
 296         r = vce_v2_0_hw_init(adev);
 297         if (r)
 298                 return r;
 299
 300         return r;
 301 }
 302
 303 static void vce_v2_0_set_sw_cg(struct amdgpu_device *adev, bool gated)
 304 {
 305         u32 tmp;
 306
 307         if (gated) {
 308                 tmp = RREG32(mmVCE_CLOCK_GATING_B);
 309                 tmp |= 0xe70000;
 310                 WREG32(mmVCE_CLOCK_GATING_B, tmp);
 311
 312                 tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
 313                 tmp |= 0xff000000;
 314                 WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
 315
 316                 tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
 317                 tmp &= ~0x3fc;
 318                 WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
 319
 320                 WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0);
 321     } else {
 322                 tmp = RREG32(mmVCE_CLOCK_GATING_B);
 323                 tmp |= 0xe7;
 324                 tmp &= ~0xe70000;
 325                 WREG32(mmVCE_CLOCK_GATING_B, tmp);
 326
 327                 tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
 328                 tmp |= 0x1fe000;
 329                 tmp &= ~0xff000000;
 330                 WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
 331
 332                 tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
 333                 tmp |= 0x3fc;
 334                 WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
 335         }
 336 }
 337
 338 static void vce_v2_0_set_dyn_cg(struct amdgpu_device *adev, bool gated)
 339 {
 340         u32 orig, tmp;
 341
 342         tmp = RREG32(mmVCE_CLOCK_GATING_B);
 343         tmp &= ~0x00060006;
 344         if (gated) {
 345                 tmp |= 0xe10000;
 346         } else {
 347                 tmp |= 0xe1;
 348                 tmp &= ~0xe10000;
 349         }
 350         WREG32(mmVCE_CLOCK_GATING_B, tmp);
 351
 352         orig = tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
 353         tmp &= ~0x1fe000;
 354         tmp &= ~0xff000000;
 355         if (tmp != orig)
 356                 WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
 357
 358         orig = tmp = RREG32(mmVCE_UENC_REG_CLOCK_GATING);
 359         tmp &= ~0x3fc;
 360         if (tmp != orig)
 361                 WREG32(mmVCE_UENC_REG_CLOCK_GATING, tmp);
 362
 363         if (gated)
 364                 WREG32(mmVCE_CGTT_CLK_OVERRIDE, 0);
 365 }
 366
 367 static void vce_v2_0_disable_cg(struct amdgpu_device *adev)
 368 {
 369         WREG32(mmVCE_CGTT_CLK_OVERRIDE, 7);
 370 }
 371
 372 static void vce_v2_0_enable_mgcg(struct amdgpu_device *adev, bool enable)
 373 {
 374         bool sw_cg = false;
 375
 376         if (enable && (adev->cg_flags & AMDGPU_CG_SUPPORT_VCE_MGCG)) {
 377                 if (sw_cg)
 378                         vce_v2_0_set_sw_cg(adev, true);
 379                 else
 380                         vce_v2_0_set_dyn_cg(adev, true);
 381         } else {
 382                 vce_v2_0_disable_cg(adev);
 383
 384                 if (sw_cg)
 385                         vce_v2_0_set_sw_cg(adev, false);
 386                 else
 387                         vce_v2_0_set_dyn_cg(adev, false);
 388         }
 389 }
 390
 391 static void vce_v2_0_init_cg(struct amdgpu_device *adev)
 392 {
 393         u32 tmp;
 394
 395         tmp = RREG32(mmVCE_CLOCK_GATING_A);
 396         tmp &= ~0xfff;
 397         tmp |= ((0 << 0) | (4 << 4));
 398         tmp |= 0x40000;
 399         WREG32(mmVCE_CLOCK_GATING_A, tmp);
 400
 401         tmp = RREG32(mmVCE_UENC_CLOCK_GATING);
 402         tmp &= ~0xfff;
 403         tmp |= ((0 << 0) | (4 << 4));
 404         WREG32(mmVCE_UENC_CLOCK_GATING, tmp);
 405
 406         tmp = RREG32(mmVCE_CLOCK_GATING_B);
 407         tmp |= 0x10;
 408         tmp &= ~0x100000;
 409         WREG32(mmVCE_CLOCK_GATING_B, tmp);
 410 }
 411
 412 static void vce_v2_0_mc_resume(struct amdgpu_device *adev)
 413 {
 414         uint64_t addr = adev->vce.gpu_addr;
 415         uint32_t size;
 416
 417         WREG32_P(mmVCE_CLOCK_GATING_A, 0, ~(1 << 16));
 418         WREG32_P(mmVCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000);
 419         WREG32_P(mmVCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F);
 420         WREG32(mmVCE_CLOCK_GATING_B, 0xf7);
 421
 422         WREG32(mmVCE_LMI_CTRL, 0x00398000);
 423         WREG32_P(mmVCE_LMI_CACHE_CTRL, 0x0, ~0x1);
 424         WREG32(mmVCE_LMI_SWAP_CNTL, 0);
 425         WREG32(mmVCE_LMI_SWAP_CNTL1, 0);
 426         WREG32(mmVCE_LMI_VM_CTRL, 0);
 427
 428         addr += AMDGPU_VCE_FIRMWARE_OFFSET;
 429         size = VCE_V2_0_FW_SIZE;
 430         WREG32(mmVCE_VCPU_CACHE_OFFSET0, addr & 0x7fffffff);
 431         WREG32(mmVCE_VCPU_CACHE_SIZE0, size);
 432
 433         addr += size;
 434         size = VCE_V2_0_STACK_SIZE;
 435         WREG32(mmVCE_VCPU_CACHE_OFFSET1, addr & 0x7fffffff);
 436         WREG32(mmVCE_VCPU_CACHE_SIZE1, size);
 437
 438         addr += size;
 439         size = VCE_V2_0_DATA_SIZE;
 440         WREG32(mmVCE_VCPU_CACHE_OFFSET2, addr & 0x7fffffff);
 441         WREG32(mmVCE_VCPU_CACHE_SIZE2, size);
 442
 443         WREG32_P(mmVCE_LMI_CTRL2, 0x0, ~0x100);
 444
 445         WREG32_P(mmVCE_SYS_INT_EN, VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK,
 446                  ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
 447
 448         vce_v2_0_init_cg(adev);
 449 }
 450
 451 static bool vce_v2_0_is_idle(void *handle)
 452 {
 453         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 454
 455         return !(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK);
 456 }
 457
 458 static int vce_v2_0_wait_for_idle(void *handle)
 459 {
 460         unsigned i;
 461         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 462
 463         for (i = 0; i < adev->usec_timeout; i++) {
 464                 if (!(RREG32(mmSRBM_STATUS2) & SRBM_STATUS2__VCE_BUSY_MASK))
 465                         return 0;
 466         }
 467         return -ETIMEDOUT;
 468 }
 469
 470 static int vce_v2_0_soft_reset(void *handle)
 471 {
 472         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 473
 474         WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_VCE_MASK,
 475                         ~SRBM_SOFT_RESET__SOFT_RESET_VCE_MASK);
 476         mdelay(5);
 477
 478         return vce_v2_0_start(adev);
 479 }
 480
 481 static void vce_v2_0_print_status(void *handle)
 482 {
 483         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 484
 485         dev_info(adev->dev, "VCE 2.0 registers\n");
 486         dev_info(adev->dev, "  VCE_STATUS=0x%08X\n",
 487                  RREG32(mmVCE_STATUS));
 488         dev_info(adev->dev, "  VCE_VCPU_CNTL=0x%08X\n",
 489                  RREG32(mmVCE_VCPU_CNTL));
 490         dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET0=0x%08X\n",
 491                  RREG32(mmVCE_VCPU_CACHE_OFFSET0));
 492         dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE0=0x%08X\n",
 493                  RREG32(mmVCE_VCPU_CACHE_SIZE0));
 494         dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET1=0x%08X\n",
 495                  RREG32(mmVCE_VCPU_CACHE_OFFSET1));
 496         dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE1=0x%08X\n",
 497                  RREG32(mmVCE_VCPU_CACHE_SIZE1));
 498         dev_info(adev->dev, "  VCE_VCPU_CACHE_OFFSET2=0x%08X\n",
 499                  RREG32(mmVCE_VCPU_CACHE_OFFSET2));
 500         dev_info(adev->dev, "  VCE_VCPU_CACHE_SIZE2=0x%08X\n",
 501                  RREG32(mmVCE_VCPU_CACHE_SIZE2));
 502         dev_info(adev->dev, "  VCE_SOFT_RESET=0x%08X\n",
 503                  RREG32(mmVCE_SOFT_RESET));
 504         dev_info(adev->dev, "  VCE_RB_BASE_LO2=0x%08X\n",
 505                  RREG32(mmVCE_RB_BASE_LO2));
 506         dev_info(adev->dev, "  VCE_RB_BASE_HI2=0x%08X\n",
 507                  RREG32(mmVCE_RB_BASE_HI2));
 508         dev_info(adev->dev, "  VCE_RB_SIZE2=0x%08X\n",
 509                  RREG32(mmVCE_RB_SIZE2));
 510         dev_info(adev->dev, "  VCE_RB_RPTR2=0x%08X\n",
 511                  RREG32(mmVCE_RB_RPTR2));
 512         dev_info(adev->dev, "  VCE_RB_WPTR2=0x%08X\n",
 513                  RREG32(mmVCE_RB_WPTR2));
 514         dev_info(adev->dev, "  VCE_RB_BASE_LO=0x%08X\n",
 515                  RREG32(mmVCE_RB_BASE_LO));
 516         dev_info(adev->dev, "  VCE_RB_BASE_HI=0x%08X\n",
 517                  RREG32(mmVCE_RB_BASE_HI));
 518         dev_info(adev->dev, "  VCE_RB_SIZE=0x%08X\n",
 519                  RREG32(mmVCE_RB_SIZE));
 520         dev_info(adev->dev, "  VCE_RB_RPTR=0x%08X\n",
 521                  RREG32(mmVCE_RB_RPTR));
 522         dev_info(adev->dev, "  VCE_RB_WPTR=0x%08X\n",
 523                  RREG32(mmVCE_RB_WPTR));
 524         dev_info(adev->dev, "  VCE_CLOCK_GATING_A=0x%08X\n",
 525                  RREG32(mmVCE_CLOCK_GATING_A));
 526         dev_info(adev->dev, "  VCE_CLOCK_GATING_B=0x%08X\n",
 527                  RREG32(mmVCE_CLOCK_GATING_B));
 528         dev_info(adev->dev, "  VCE_CGTT_CLK_OVERRIDE=0x%08X\n",
 529                  RREG32(mmVCE_CGTT_CLK_OVERRIDE));
 530         dev_info(adev->dev, "  VCE_UENC_CLOCK_GATING=0x%08X\n",
 531                  RREG32(mmVCE_UENC_CLOCK_GATING));
 532         dev_info(adev->dev, "  VCE_UENC_REG_CLOCK_GATING=0x%08X\n",
 533                  RREG32(mmVCE_UENC_REG_CLOCK_GATING));
 534         dev_info(adev->dev, "  VCE_SYS_INT_EN=0x%08X\n",
 535                  RREG32(mmVCE_SYS_INT_EN));
 536         dev_info(adev->dev, "  VCE_LMI_CTRL2=0x%08X\n",
 537                  RREG32(mmVCE_LMI_CTRL2));
 538         dev_info(adev->dev, "  VCE_LMI_CTRL=0x%08X\n",
 539                  RREG32(mmVCE_LMI_CTRL));
 540         dev_info(adev->dev, "  VCE_LMI_VM_CTRL=0x%08X\n",
 541                  RREG32(mmVCE_LMI_VM_CTRL));
 542         dev_info(adev->dev, "  VCE_LMI_SWAP_CNTL=0x%08X\n",
 543                  RREG32(mmVCE_LMI_SWAP_CNTL));
 544         dev_info(adev->dev, "  VCE_LMI_SWAP_CNTL1=0x%08X\n",
 545                  RREG32(mmVCE_LMI_SWAP_CNTL1));
 546         dev_info(adev->dev, "  VCE_LMI_CACHE_CTRL=0x%08X\n",
 547                  RREG32(mmVCE_LMI_CACHE_CTRL));
 548 }
 549
 550 static int vce_v2_0_set_interrupt_state(struct amdgpu_device *adev,
 551                                         struct amdgpu_irq_src *source,
 552                                         unsigned type,
 553                                         enum amdgpu_interrupt_state state)
 554 {
 555         uint32_t val = 0;
 556
 557         if (state == AMDGPU_IRQ_STATE_ENABLE)
 558                 val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK;
 559
 560         WREG32_P(mmVCE_SYS_INT_EN, val, ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK);
 561         return 0;
 562 }
 563
 564 static int vce_v2_0_process_interrupt(struct amdgpu_device *adev,
 565                                       struct amdgpu_irq_src *source,
 566                                       struct amdgpu_iv_entry *entry)
 567 {
 568         DRM_DEBUG("IH: VCE\n");
 569         switch (entry->src_data) {
 570         case 0:
 571                 amdgpu_fence_process(&adev->vce.ring[0]);
 572                 break;
 573         case 1:
 574                 amdgpu_fence_process(&adev->vce.ring[1]);
 575                 break;
 576         default:
 577                 DRM_ERROR("Unhandled interrupt: %d %d\n",
 578                           entry->src_id, entry->src_data);
 579                 break;
 580         }
 581
 582         return 0;
 583 }
 584
 585 static int vce_v2_0_set_clockgating_state(void *handle,
 586                                           enum amd_clockgating_state state)
 587 {
 588         bool gate = false;
 589         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 590
 591         if (state == AMD_CG_STATE_GATE)
 592                 gate = true;
 593
 594         vce_v2_0_enable_mgcg(adev, gate);
 595
 596         return 0;
 597 }
 598
 599 static int vce_v2_0_set_powergating_state(void *handle,
 600                                           enum amd_powergating_state state)
 601 {
 602         /* This doesn't actually powergate the VCE block.
 603          * That's done in the dpm code via the SMC.  This
 604          * just re-inits the block as necessary.  The actual
 605          * gating still happens in the dpm code.  We should
 606          * revisit this when there is a cleaner line between
 607          * the smc and the hw blocks
 608          */
 609         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 610
 611         if (state == AMD_PG_STATE_GATE)
 612                 /* XXX do we need a vce_v2_0_stop()? */
 613                 return 0;
 614         else
 615                 return vce_v2_0_start(adev);
 616 }
 617
 618 const struct amd_ip_funcs vce_v2_0_ip_funcs = {
 619         .early_init = vce_v2_0_early_init,
 620         .late_init = NULL,
 621         .sw_init = vce_v2_0_sw_init,
 622         .sw_fini = vce_v2_0_sw_fini,
 623         .hw_init = vce_v2_0_hw_init,
 624         .hw_fini = vce_v2_0_hw_fini,
 625         .suspend = vce_v2_0_suspend,
 626         .resume = vce_v2_0_resume,
 627         .is_idle = vce_v2_0_is_idle,
 628         .wait_for_idle = vce_v2_0_wait_for_idle,
 629         .soft_reset = vce_v2_0_soft_reset,
 630         .print_status = vce_v2_0_print_status,
 631         .set_clockgating_state = vce_v2_0_set_clockgating_state,
 632         .set_powergating_state = vce_v2_0_set_powergating_state,
 633 };
 634
 635 static const struct amdgpu_ring_funcs vce_v2_0_ring_funcs = {
 636         .get_rptr = vce_v2_0_ring_get_rptr,
 637         .get_wptr = vce_v2_0_ring_get_wptr,
 638         .set_wptr = vce_v2_0_ring_set_wptr,
 639         .parse_cs = amdgpu_vce_ring_parse_cs,
 640         .emit_ib = amdgpu_vce_ring_emit_ib,
 641         .emit_fence = amdgpu_vce_ring_emit_fence,
 642         .emit_semaphore = amdgpu_vce_ring_emit_semaphore,
 643         .test_ring = amdgpu_vce_ring_test_ring,
 644         .test_ib = amdgpu_vce_ring_test_ib,
 645         .insert_nop = amdgpu_ring_insert_nop,
 646 };
 647
 648 static void vce_v2_0_set_ring_funcs(struct amdgpu_device *adev)
 649 {
 650         adev->vce.ring[0].funcs = &vce_v2_0_ring_funcs;
 651         adev->vce.ring[1].funcs = &vce_v2_0_ring_funcs;
 652 }
 653
 654 static const struct amdgpu_irq_src_funcs vce_v2_0_irq_funcs = {
 655         .set = vce_v2_0_set_interrupt_state,
 656         .process = vce_v2_0_process_interrupt,
 657 };
 658
 659 static void vce_v2_0_set_irq_funcs(struct amdgpu_device *adev)
 660 {
 661         adev->vce.irq.num_types = 1;
 662         adev->vce.irq.funcs = &vce_v2_0_irq_funcs;
 663 };