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_3_0_d.h" 36 #include "oss/oss_3_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 #include "gca/gfx_8_0_d.h" 41 #include "gca/gfx_8_0_sh_mask.h" 42 43 44 #define GRBM_GFX_INDEX__VCE_INSTANCE__SHIFT 0x04 45 #define GRBM_GFX_INDEX__VCE_INSTANCE_MASK 0x10 46 #define mmVCE_LMI_VCPU_CACHE_40BIT_BAR0 0x8616 47 #define mmVCE_LMI_VCPU_CACHE_40BIT_BAR1 0x8617 48 #define mmVCE_LMI_VCPU_CACHE_40BIT_BAR2 0x8618 49 #define VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK 0x02 50 51 #define VCE_V3_0_FW_SIZE (384 * 1024) 52 #define VCE_V3_0_STACK_SIZE (64 * 1024) 53 #define VCE_V3_0_DATA_SIZE ((16 * 1024 * AMDGPU_MAX_VCE_HANDLES) + (52 * 1024)) 54 55 static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx); 56 static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev); 57 static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev); 58 static int vce_v3_0_wait_for_idle(void *handle); 59 60 /** 61 * vce_v3_0_ring_get_rptr - get read pointer 62 * 63 * @ring: amdgpu_ring pointer 64 * 65 * Returns the current hardware read pointer 66 */ 67 static uint32_t vce_v3_0_ring_get_rptr(struct amdgpu_ring *ring) 68 { 69 struct amdgpu_device *adev = ring->adev; 70 71 if (ring == &adev->vce.ring[0]) 72 return RREG32(mmVCE_RB_RPTR); 73 else 74 return RREG32(mmVCE_RB_RPTR2); 75 } 76 77 /** 78 * vce_v3_0_ring_get_wptr - get write pointer 79 * 80 * @ring: amdgpu_ring pointer 81 * 82 * Returns the current hardware write pointer 83 */ 84 static uint32_t vce_v3_0_ring_get_wptr(struct amdgpu_ring *ring) 85 { 86 struct amdgpu_device *adev = ring->adev; 87 88 if (ring == &adev->vce.ring[0]) 89 return RREG32(mmVCE_RB_WPTR); 90 else 91 return RREG32(mmVCE_RB_WPTR2); 92 } 93 94 /** 95 * vce_v3_0_ring_set_wptr - set write pointer 96 * 97 * @ring: amdgpu_ring pointer 98 * 99 * Commits the write pointer to the hardware 100 */ 101 static void vce_v3_0_ring_set_wptr(struct amdgpu_ring *ring) 102 { 103 struct amdgpu_device *adev = ring->adev; 104 105 if (ring == &adev->vce.ring[0]) 106 WREG32(mmVCE_RB_WPTR, ring->wptr); 107 else 108 WREG32(mmVCE_RB_WPTR2, ring->wptr); 109 } 110 111 static void vce_v3_0_override_vce_clock_gating(struct amdgpu_device *adev, bool override) 112 { 113 u32 tmp, data; 114 115 tmp = data = RREG32(mmVCE_RB_ARB_CTRL); 116 if (override) 117 data |= VCE_RB_ARB_CTRL__VCE_CGTT_OVERRIDE_MASK; 118 else 119 data &= ~VCE_RB_ARB_CTRL__VCE_CGTT_OVERRIDE_MASK; 120 121 if (tmp != data) 122 WREG32(mmVCE_RB_ARB_CTRL, data); 123 } 124 125 static void vce_v3_0_set_vce_sw_clock_gating(struct amdgpu_device *adev, 126 bool gated) 127 { 128 u32 tmp, data; 129 130 /* Set Override to disable Clock Gating */ 131 vce_v3_0_override_vce_clock_gating(adev, true); 132 133 /* This function enables MGCG which is controlled by firmware. 134 With the clocks in the gated state the core is still 135 accessible but the firmware will throttle the clocks on the 136 fly as necessary. 137 */ 138 if (gated) { 139 tmp = data = RREG32(mmVCE_CLOCK_GATING_B); 140 data |= 0x1ff; 141 data &= ~0xef0000; 142 if (tmp != data) 143 WREG32(mmVCE_CLOCK_GATING_B, data); 144 145 tmp = data = RREG32(mmVCE_UENC_CLOCK_GATING); 146 data |= 0x3ff000; 147 data &= ~0xffc00000; 148 if (tmp != data) 149 WREG32(mmVCE_UENC_CLOCK_GATING, data); 150 151 tmp = data = RREG32(mmVCE_UENC_CLOCK_GATING_2); 152 data |= 0x2; 153 data &= ~0x00010000; 154 if (tmp != data) 155 WREG32(mmVCE_UENC_CLOCK_GATING_2, data); 156 157 tmp = data = RREG32(mmVCE_UENC_REG_CLOCK_GATING); 158 data |= 0x37f; 159 if (tmp != data) 160 WREG32(mmVCE_UENC_REG_CLOCK_GATING, data); 161 162 tmp = data = RREG32(mmVCE_UENC_DMA_DCLK_CTRL); 163 data |= VCE_UENC_DMA_DCLK_CTRL__WRDMCLK_FORCEON_MASK | 164 VCE_UENC_DMA_DCLK_CTRL__RDDMCLK_FORCEON_MASK | 165 VCE_UENC_DMA_DCLK_CTRL__REGCLK_FORCEON_MASK | 166 0x8; 167 if (tmp != data) 168 WREG32(mmVCE_UENC_DMA_DCLK_CTRL, data); 169 } else { 170 tmp = data = RREG32(mmVCE_CLOCK_GATING_B); 171 data &= ~0x80010; 172 data |= 0xe70008; 173 if (tmp != data) 174 WREG32(mmVCE_CLOCK_GATING_B, data); 175 176 tmp = data = RREG32(mmVCE_UENC_CLOCK_GATING); 177 data |= 0xffc00000; 178 if (tmp != data) 179 WREG32(mmVCE_UENC_CLOCK_GATING, data); 180 181 tmp = data = RREG32(mmVCE_UENC_CLOCK_GATING_2); 182 data |= 0x10000; 183 if (tmp != data) 184 WREG32(mmVCE_UENC_CLOCK_GATING_2, data); 185 186 tmp = data = RREG32(mmVCE_UENC_REG_CLOCK_GATING); 187 data &= ~0xffc00000; 188 if (tmp != data) 189 WREG32(mmVCE_UENC_REG_CLOCK_GATING, data); 190 191 tmp = data = RREG32(mmVCE_UENC_DMA_DCLK_CTRL); 192 data &= ~(VCE_UENC_DMA_DCLK_CTRL__WRDMCLK_FORCEON_MASK | 193 VCE_UENC_DMA_DCLK_CTRL__RDDMCLK_FORCEON_MASK | 194 VCE_UENC_DMA_DCLK_CTRL__REGCLK_FORCEON_MASK | 195 0x8); 196 if (tmp != data) 197 WREG32(mmVCE_UENC_DMA_DCLK_CTRL, data); 198 } 199 vce_v3_0_override_vce_clock_gating(adev, false); 200 } 201 202 static int vce_v3_0_firmware_loaded(struct amdgpu_device *adev) 203 { 204 int i, j; 205 206 for (i = 0; i < 10; ++i) { 207 for (j = 0; j < 100; ++j) { 208 uint32_t status = RREG32(mmVCE_STATUS); 209 210 if (status & VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK) 211 return 0; 212 mdelay(10); 213 } 214 215 DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n"); 216 WREG32_P(mmVCE_SOFT_RESET, 217 VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK, 218 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK); 219 mdelay(10); 220 WREG32_P(mmVCE_SOFT_RESET, 0, 221 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK); 222 mdelay(10); 223 } 224 225 return -ETIMEDOUT; 226 } 227 228 /** 229 * vce_v3_0_start - start VCE block 230 * 231 * @adev: amdgpu_device pointer 232 * 233 * Setup and start the VCE block 234 */ 235 static int vce_v3_0_start(struct amdgpu_device *adev) 236 { 237 struct amdgpu_ring *ring; 238 int idx, r; 239 240 ring = &adev->vce.ring[0]; 241 WREG32(mmVCE_RB_RPTR, ring->wptr); 242 WREG32(mmVCE_RB_WPTR, ring->wptr); 243 WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr); 244 WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr)); 245 WREG32(mmVCE_RB_SIZE, ring->ring_size / 4); 246 247 ring = &adev->vce.ring[1]; 248 WREG32(mmVCE_RB_RPTR2, ring->wptr); 249 WREG32(mmVCE_RB_WPTR2, ring->wptr); 250 WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr); 251 WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr)); 252 WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4); 253 254 mutex_lock(&adev->grbm_idx_mutex); 255 for (idx = 0; idx < 2; ++idx) { 256 if (adev->vce.harvest_config & (1 << idx)) 257 continue; 258 259 if (idx == 0) 260 WREG32_P(mmGRBM_GFX_INDEX, 0, 261 ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK); 262 else 263 WREG32_P(mmGRBM_GFX_INDEX, 264 GRBM_GFX_INDEX__VCE_INSTANCE_MASK, 265 ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK); 266 267 vce_v3_0_mc_resume(adev, idx); 268 269 WREG32_P(mmVCE_STATUS, VCE_STATUS__JOB_BUSY_MASK, 270 ~VCE_STATUS__JOB_BUSY_MASK); 271 272 if (adev->asic_type >= CHIP_STONEY) 273 WREG32_P(mmVCE_VCPU_CNTL, 1, ~0x200001); 274 else 275 WREG32_P(mmVCE_VCPU_CNTL, VCE_VCPU_CNTL__CLK_EN_MASK, 276 ~VCE_VCPU_CNTL__CLK_EN_MASK); 277 278 WREG32_P(mmVCE_SOFT_RESET, 0, 279 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK); 280 281 mdelay(100); 282 283 r = vce_v3_0_firmware_loaded(adev); 284 285 /* clear BUSY flag */ 286 WREG32_P(mmVCE_STATUS, 0, ~VCE_STATUS__JOB_BUSY_MASK); 287 288 if (r) { 289 DRM_ERROR("VCE not responding, giving up!!!\n"); 290 mutex_unlock(&adev->grbm_idx_mutex); 291 return r; 292 } 293 } 294 295 WREG32_P(mmGRBM_GFX_INDEX, 0, ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK); 296 mutex_unlock(&adev->grbm_idx_mutex); 297 298 return 0; 299 } 300 301 static int vce_v3_0_stop(struct amdgpu_device *adev) 302 { 303 int idx; 304 305 mutex_lock(&adev->grbm_idx_mutex); 306 for (idx = 0; idx < 2; ++idx) { 307 if (adev->vce.harvest_config & (1 << idx)) 308 continue; 309 310 if (idx == 0) 311 WREG32_P(mmGRBM_GFX_INDEX, 0, 312 ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK); 313 else 314 WREG32_P(mmGRBM_GFX_INDEX, 315 GRBM_GFX_INDEX__VCE_INSTANCE_MASK, 316 ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK); 317 318 if (adev->asic_type >= CHIP_STONEY) 319 WREG32_P(mmVCE_VCPU_CNTL, 0, ~0x200001); 320 else 321 WREG32_P(mmVCE_VCPU_CNTL, 0, 322 ~VCE_VCPU_CNTL__CLK_EN_MASK); 323 /* hold on ECPU */ 324 WREG32_P(mmVCE_SOFT_RESET, 325 VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK, 326 ~VCE_SOFT_RESET__ECPU_SOFT_RESET_MASK); 327 328 /* clear BUSY flag */ 329 WREG32_P(mmVCE_STATUS, 0, ~VCE_STATUS__JOB_BUSY_MASK); 330 331 /* Set Clock-Gating off */ 332 if (adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG) 333 vce_v3_0_set_vce_sw_clock_gating(adev, false); 334 } 335 336 WREG32_P(mmGRBM_GFX_INDEX, 0, ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK); 337 mutex_unlock(&adev->grbm_idx_mutex); 338 339 return 0; 340 } 341 342 #define ixVCE_HARVEST_FUSE_MACRO__ADDRESS 0xC0014074 343 #define VCE_HARVEST_FUSE_MACRO__SHIFT 27 344 #define VCE_HARVEST_FUSE_MACRO__MASK 0x18000000 345 346 static unsigned vce_v3_0_get_harvest_config(struct amdgpu_device *adev) 347 { 348 u32 tmp; 349 350 /* Fiji, Stoney, Polaris10, Polaris11 are single pipe */ 351 if ((adev->asic_type == CHIP_FIJI) || 352 (adev->asic_type == CHIP_STONEY) || 353 (adev->asic_type == CHIP_POLARIS10) || 354 (adev->asic_type == CHIP_POLARIS11)) 355 return AMDGPU_VCE_HARVEST_VCE1; 356 357 /* Tonga and CZ are dual or single pipe */ 358 if (adev->flags & AMD_IS_APU) 359 tmp = (RREG32_SMC(ixVCE_HARVEST_FUSE_MACRO__ADDRESS) & 360 VCE_HARVEST_FUSE_MACRO__MASK) >> 361 VCE_HARVEST_FUSE_MACRO__SHIFT; 362 else 363 tmp = (RREG32_SMC(ixCC_HARVEST_FUSES) & 364 CC_HARVEST_FUSES__VCE_DISABLE_MASK) >> 365 CC_HARVEST_FUSES__VCE_DISABLE__SHIFT; 366 367 switch (tmp) { 368 case 1: 369 return AMDGPU_VCE_HARVEST_VCE0; 370 case 2: 371 return AMDGPU_VCE_HARVEST_VCE1; 372 case 3: 373 return AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1; 374 default: 375 return 0; 376 } 377 } 378 379 static int vce_v3_0_early_init(void *handle) 380 { 381 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 382 383 adev->vce.harvest_config = vce_v3_0_get_harvest_config(adev); 384 385 if ((adev->vce.harvest_config & 386 (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1)) == 387 (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1)) 388 return -ENOENT; 389 390 vce_v3_0_set_ring_funcs(adev); 391 vce_v3_0_set_irq_funcs(adev); 392 393 return 0; 394 } 395 396 static int vce_v3_0_sw_init(void *handle) 397 { 398 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 399 struct amdgpu_ring *ring; 400 int r; 401 402 /* VCE */ 403 r = amdgpu_irq_add_id(adev, 167, &adev->vce.irq); 404 if (r) 405 return r; 406 407 r = amdgpu_vce_sw_init(adev, VCE_V3_0_FW_SIZE + 408 (VCE_V3_0_STACK_SIZE + VCE_V3_0_DATA_SIZE) * 2); 409 if (r) 410 return r; 411 412 r = amdgpu_vce_resume(adev); 413 if (r) 414 return r; 415 416 ring = &adev->vce.ring[0]; 417 sprintf(ring->name, "vce0"); 418 r = amdgpu_ring_init(adev, ring, 512, VCE_CMD_NO_OP, 0xf, 419 &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE); 420 if (r) 421 return r; 422 423 ring = &adev->vce.ring[1]; 424 sprintf(ring->name, "vce1"); 425 r = amdgpu_ring_init(adev, ring, 512, VCE_CMD_NO_OP, 0xf, 426 &adev->vce.irq, 0, AMDGPU_RING_TYPE_VCE); 427 if (r) 428 return r; 429 430 return r; 431 } 432 433 static int vce_v3_0_sw_fini(void *handle) 434 { 435 int r; 436 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 437 438 r = amdgpu_vce_suspend(adev); 439 if (r) 440 return r; 441 442 r = amdgpu_vce_sw_fini(adev); 443 if (r) 444 return r; 445 446 return r; 447 } 448 449 static int vce_v3_0_hw_init(void *handle) 450 { 451 int r, i; 452 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 453 454 r = vce_v3_0_start(adev); 455 if (r) 456 return r; 457 458 adev->vce.ring[0].ready = false; 459 adev->vce.ring[1].ready = false; 460 461 for (i = 0; i < 2; i++) { 462 r = amdgpu_ring_test_ring(&adev->vce.ring[i]); 463 if (r) 464 return r; 465 else 466 adev->vce.ring[i].ready = true; 467 } 468 469 DRM_INFO("VCE initialized successfully.\n"); 470 471 return 0; 472 } 473 474 static int vce_v3_0_hw_fini(void *handle) 475 { 476 int r; 477 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 478 479 r = vce_v3_0_wait_for_idle(handle); 480 if (r) 481 return r; 482 483 return vce_v3_0_stop(adev); 484 } 485 486 static int vce_v3_0_suspend(void *handle) 487 { 488 int r; 489 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 490 491 r = vce_v3_0_hw_fini(adev); 492 if (r) 493 return r; 494 495 r = amdgpu_vce_suspend(adev); 496 if (r) 497 return r; 498 499 return r; 500 } 501 502 static int vce_v3_0_resume(void *handle) 503 { 504 int r; 505 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 506 507 r = amdgpu_vce_resume(adev); 508 if (r) 509 return r; 510 511 r = vce_v3_0_hw_init(adev); 512 if (r) 513 return r; 514 515 return r; 516 } 517 518 static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx) 519 { 520 uint32_t offset, size; 521 522 WREG32_P(mmVCE_CLOCK_GATING_A, 0, ~(1 << 16)); 523 WREG32_P(mmVCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000); 524 WREG32_P(mmVCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F); 525 WREG32(mmVCE_CLOCK_GATING_B, 0x1FF); 526 527 WREG32(mmVCE_LMI_CTRL, 0x00398000); 528 WREG32_P(mmVCE_LMI_CACHE_CTRL, 0x0, ~0x1); 529 WREG32(mmVCE_LMI_SWAP_CNTL, 0); 530 WREG32(mmVCE_LMI_SWAP_CNTL1, 0); 531 WREG32(mmVCE_LMI_VM_CTRL, 0); 532 if (adev->asic_type >= CHIP_STONEY) { 533 WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR0, (adev->vce.gpu_addr >> 8)); 534 WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR1, (adev->vce.gpu_addr >> 8)); 535 WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR2, (adev->vce.gpu_addr >> 8)); 536 } else 537 WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR, (adev->vce.gpu_addr >> 8)); 538 offset = AMDGPU_VCE_FIRMWARE_OFFSET; 539 size = VCE_V3_0_FW_SIZE; 540 WREG32(mmVCE_VCPU_CACHE_OFFSET0, offset & 0x7fffffff); 541 WREG32(mmVCE_VCPU_CACHE_SIZE0, size); 542 543 if (idx == 0) { 544 offset += size; 545 size = VCE_V3_0_STACK_SIZE; 546 WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0x7fffffff); 547 WREG32(mmVCE_VCPU_CACHE_SIZE1, size); 548 offset += size; 549 size = VCE_V3_0_DATA_SIZE; 550 WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0x7fffffff); 551 WREG32(mmVCE_VCPU_CACHE_SIZE2, size); 552 } else { 553 offset += size + VCE_V3_0_STACK_SIZE + VCE_V3_0_DATA_SIZE; 554 size = VCE_V3_0_STACK_SIZE; 555 WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0xfffffff); 556 WREG32(mmVCE_VCPU_CACHE_SIZE1, size); 557 offset += size; 558 size = VCE_V3_0_DATA_SIZE; 559 WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0xfffffff); 560 WREG32(mmVCE_VCPU_CACHE_SIZE2, size); 561 } 562 563 WREG32_P(mmVCE_LMI_CTRL2, 0x0, ~0x100); 564 565 WREG32_P(mmVCE_SYS_INT_EN, VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK, 566 ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK); 567 } 568 569 static bool vce_v3_0_is_idle(void *handle) 570 { 571 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 572 u32 mask = 0; 573 574 mask |= (adev->vce.harvest_config & AMDGPU_VCE_HARVEST_VCE0) ? 0 : SRBM_STATUS2__VCE0_BUSY_MASK; 575 mask |= (adev->vce.harvest_config & AMDGPU_VCE_HARVEST_VCE1) ? 0 : SRBM_STATUS2__VCE1_BUSY_MASK; 576 577 return !(RREG32(mmSRBM_STATUS2) & mask); 578 } 579 580 static int vce_v3_0_wait_for_idle(void *handle) 581 { 582 unsigned i; 583 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 584 585 for (i = 0; i < adev->usec_timeout; i++) 586 if (vce_v3_0_is_idle(handle)) 587 return 0; 588 589 return -ETIMEDOUT; 590 } 591 592 #define AMDGPU_VCE_STATUS_BUSY_MASK 0x78 593 594 static int vce_v3_0_check_soft_reset(void *handle) 595 { 596 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 597 u32 srbm_soft_reset = 0; 598 u32 tmp; 599 600 /* VCE BUG: it is always busy, so skip its checking now */ 601 return 0; 602 603 /* According to VCE team , we should use VCE_STATUS instead 604 * SRBM_STATUS.VCE_BUSY bit for busy status checking. 605 * GRBM_GFX_INDEX.INSTANCE_INDEX is used to specify which VCE 606 * instance's registers are accessed 607 * (0 for 1st instance, 10 for 2nd instance). 608 * 609 *VCE_STATUS 610 *|UENC|ACPI|AUTO ACTIVE|RB1 |RB0 |RB2 | |FW_LOADED|JOB | 611 *|----+----+-----------+----+----+----+----------+---------+----| 612 *|bit8|bit7| bit6 |bit5|bit4|bit3| bit2 | bit1 |bit0| 613 * 614 * VCE team suggest use bit 3--bit 6 for busy status check 615 */ 616 tmp = RREG32(mmGRBM_GFX_INDEX); 617 tmp = REG_SET_FIELD(tmp, GRBM_GFX_INDEX, INSTANCE_INDEX, 0); 618 WREG32(mmGRBM_GFX_INDEX, tmp); 619 if (RREG32(mmVCE_STATUS) & AMDGPU_VCE_STATUS_BUSY_MASK) { 620 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1); 621 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE1, 1); 622 } 623 tmp = RREG32(mmGRBM_GFX_INDEX); 624 tmp = REG_SET_FIELD(tmp, GRBM_GFX_INDEX, INSTANCE_INDEX, 0x10); 625 WREG32(mmGRBM_GFX_INDEX, tmp); 626 if (RREG32(mmVCE_STATUS) & AMDGPU_VCE_STATUS_BUSY_MASK) { 627 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1); 628 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE1, 1); 629 } 630 tmp = RREG32(mmGRBM_GFX_INDEX); 631 tmp = REG_SET_FIELD(tmp, GRBM_GFX_INDEX, INSTANCE_INDEX, 0); 632 WREG32(mmGRBM_GFX_INDEX, tmp); 633 634 if (srbm_soft_reset) { 635 adev->ip_block_status[AMD_IP_BLOCK_TYPE_VCE].hang = true; 636 adev->vce.srbm_soft_reset = srbm_soft_reset; 637 } else { 638 adev->ip_block_status[AMD_IP_BLOCK_TYPE_VCE].hang = false; 639 adev->vce.srbm_soft_reset = 0; 640 } 641 return 0; 642 } 643 644 static int vce_v3_0_soft_reset(void *handle) 645 { 646 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 647 u32 srbm_soft_reset; 648 649 if (!adev->ip_block_status[AMD_IP_BLOCK_TYPE_VCE].hang) 650 return 0; 651 srbm_soft_reset = adev->vce.srbm_soft_reset; 652 653 if (srbm_soft_reset) { 654 u32 tmp; 655 656 tmp = RREG32(mmSRBM_SOFT_RESET); 657 tmp |= srbm_soft_reset; 658 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 659 WREG32(mmSRBM_SOFT_RESET, tmp); 660 tmp = RREG32(mmSRBM_SOFT_RESET); 661 662 udelay(50); 663 664 tmp &= ~srbm_soft_reset; 665 WREG32(mmSRBM_SOFT_RESET, tmp); 666 tmp = RREG32(mmSRBM_SOFT_RESET); 667 668 /* Wait a little for things to settle down */ 669 udelay(50); 670 } 671 672 return 0; 673 } 674 675 static int vce_v3_0_pre_soft_reset(void *handle) 676 { 677 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 678 679 if (!adev->ip_block_status[AMD_IP_BLOCK_TYPE_VCE].hang) 680 return 0; 681 682 mdelay(5); 683 684 return vce_v3_0_suspend(adev); 685 } 686 687 688 static int vce_v3_0_post_soft_reset(void *handle) 689 { 690 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 691 692 if (!adev->ip_block_status[AMD_IP_BLOCK_TYPE_VCE].hang) 693 return 0; 694 695 mdelay(5); 696 697 return vce_v3_0_resume(adev); 698 } 699 700 static int vce_v3_0_set_interrupt_state(struct amdgpu_device *adev, 701 struct amdgpu_irq_src *source, 702 unsigned type, 703 enum amdgpu_interrupt_state state) 704 { 705 uint32_t val = 0; 706 707 if (state == AMDGPU_IRQ_STATE_ENABLE) 708 val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK; 709 710 WREG32_P(mmVCE_SYS_INT_EN, val, ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK); 711 return 0; 712 } 713 714 static int vce_v3_0_process_interrupt(struct amdgpu_device *adev, 715 struct amdgpu_irq_src *source, 716 struct amdgpu_iv_entry *entry) 717 { 718 DRM_DEBUG("IH: VCE\n"); 719 720 WREG32_P(mmVCE_SYS_INT_STATUS, 721 VCE_SYS_INT_STATUS__VCE_SYS_INT_TRAP_INTERRUPT_INT_MASK, 722 ~VCE_SYS_INT_STATUS__VCE_SYS_INT_TRAP_INTERRUPT_INT_MASK); 723 724 switch (entry->src_data) { 725 case 0: 726 case 1: 727 amdgpu_fence_process(&adev->vce.ring[entry->src_data]); 728 break; 729 default: 730 DRM_ERROR("Unhandled interrupt: %d %d\n", 731 entry->src_id, entry->src_data); 732 break; 733 } 734 735 return 0; 736 } 737 738 static void vce_v3_set_bypass_mode(struct amdgpu_device *adev, bool enable) 739 { 740 u32 tmp = RREG32_SMC(ixGCK_DFS_BYPASS_CNTL); 741 742 if (enable) 743 tmp |= GCK_DFS_BYPASS_CNTL__BYPASSECLK_MASK; 744 else 745 tmp &= ~GCK_DFS_BYPASS_CNTL__BYPASSECLK_MASK; 746 747 WREG32_SMC(ixGCK_DFS_BYPASS_CNTL, tmp); 748 } 749 750 static int vce_v3_0_set_clockgating_state(void *handle, 751 enum amd_clockgating_state state) 752 { 753 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 754 bool enable = (state == AMD_CG_STATE_GATE) ? true : false; 755 int i; 756 757 if (adev->asic_type == CHIP_POLARIS10) 758 vce_v3_set_bypass_mode(adev, enable); 759 760 if (!(adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG)) 761 return 0; 762 763 mutex_lock(&adev->grbm_idx_mutex); 764 for (i = 0; i < 2; i++) { 765 /* Program VCE Instance 0 or 1 if not harvested */ 766 if (adev->vce.harvest_config & (1 << i)) 767 continue; 768 769 if (i == 0) 770 WREG32_P(mmGRBM_GFX_INDEX, 0, 771 ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK); 772 else 773 WREG32_P(mmGRBM_GFX_INDEX, 774 GRBM_GFX_INDEX__VCE_INSTANCE_MASK, 775 ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK); 776 777 if (enable) { 778 /* initialize VCE_CLOCK_GATING_A: Clock ON/OFF delay */ 779 uint32_t data = RREG32(mmVCE_CLOCK_GATING_A); 780 data &= ~(0xf | 0xff0); 781 data |= ((0x0 << 0) | (0x04 << 4)); 782 WREG32(mmVCE_CLOCK_GATING_A, data); 783 784 /* initialize VCE_UENC_CLOCK_GATING: Clock ON/OFF delay */ 785 data = RREG32(mmVCE_UENC_CLOCK_GATING); 786 data &= ~(0xf | 0xff0); 787 data |= ((0x0 << 0) | (0x04 << 4)); 788 WREG32(mmVCE_UENC_CLOCK_GATING, data); 789 } 790 791 vce_v3_0_set_vce_sw_clock_gating(adev, enable); 792 } 793 794 WREG32_P(mmGRBM_GFX_INDEX, 0, ~GRBM_GFX_INDEX__VCE_INSTANCE_MASK); 795 mutex_unlock(&adev->grbm_idx_mutex); 796 797 return 0; 798 } 799 800 static int vce_v3_0_set_powergating_state(void *handle, 801 enum amd_powergating_state state) 802 { 803 /* This doesn't actually powergate the VCE block. 804 * That's done in the dpm code via the SMC. This 805 * just re-inits the block as necessary. The actual 806 * gating still happens in the dpm code. We should 807 * revisit this when there is a cleaner line between 808 * the smc and the hw blocks 809 */ 810 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 811 812 if (!(adev->pg_flags & AMD_PG_SUPPORT_VCE)) 813 return 0; 814 815 if (state == AMD_PG_STATE_GATE) 816 /* XXX do we need a vce_v3_0_stop()? */ 817 return 0; 818 else 819 return vce_v3_0_start(adev); 820 } 821 822 const struct amd_ip_funcs vce_v3_0_ip_funcs = { 823 .name = "vce_v3_0", 824 .early_init = vce_v3_0_early_init, 825 .late_init = NULL, 826 .sw_init = vce_v3_0_sw_init, 827 .sw_fini = vce_v3_0_sw_fini, 828 .hw_init = vce_v3_0_hw_init, 829 .hw_fini = vce_v3_0_hw_fini, 830 .suspend = vce_v3_0_suspend, 831 .resume = vce_v3_0_resume, 832 .is_idle = vce_v3_0_is_idle, 833 .wait_for_idle = vce_v3_0_wait_for_idle, 834 .check_soft_reset = vce_v3_0_check_soft_reset, 835 .pre_soft_reset = vce_v3_0_pre_soft_reset, 836 .soft_reset = vce_v3_0_soft_reset, 837 .post_soft_reset = vce_v3_0_post_soft_reset, 838 .set_clockgating_state = vce_v3_0_set_clockgating_state, 839 .set_powergating_state = vce_v3_0_set_powergating_state, 840 }; 841 842 static const struct amdgpu_ring_funcs vce_v3_0_ring_funcs = { 843 .get_rptr = vce_v3_0_ring_get_rptr, 844 .get_wptr = vce_v3_0_ring_get_wptr, 845 .set_wptr = vce_v3_0_ring_set_wptr, 846 .parse_cs = amdgpu_vce_ring_parse_cs, 847 .emit_ib = amdgpu_vce_ring_emit_ib, 848 .emit_fence = amdgpu_vce_ring_emit_fence, 849 .test_ring = amdgpu_vce_ring_test_ring, 850 .test_ib = amdgpu_vce_ring_test_ib, 851 .insert_nop = amdgpu_ring_insert_nop, 852 .pad_ib = amdgpu_ring_generic_pad_ib, 853 .begin_use = amdgpu_vce_ring_begin_use, 854 .end_use = amdgpu_vce_ring_end_use, 855 }; 856 857 static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev) 858 { 859 adev->vce.ring[0].funcs = &vce_v3_0_ring_funcs; 860 adev->vce.ring[1].funcs = &vce_v3_0_ring_funcs; 861 } 862 863 static const struct amdgpu_irq_src_funcs vce_v3_0_irq_funcs = { 864 .set = vce_v3_0_set_interrupt_state, 865 .process = vce_v3_0_process_interrupt, 866 }; 867 868 static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev) 869 { 870 adev->vce.irq.num_types = 1; 871 adev->vce.irq.funcs = &vce_v3_0_irq_funcs; 872 }; 873