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 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_sh_mask.h" 41 #include "ivsrcid/ivsrcid_vislands30.h" 42 43 44 #define GRBM_GFX_INDEX__VCE_INSTANCE__SHIFT 0x04 45 #define GRBM_GFX_INDEX__VCE_INSTANCE_MASK 0x10 46 #define GRBM_GFX_INDEX__VCE_ALL_PIPE 0x07 47 48 #define mmVCE_LMI_VCPU_CACHE_40BIT_BAR0 0x8616 49 #define mmVCE_LMI_VCPU_CACHE_40BIT_BAR1 0x8617 50 #define mmVCE_LMI_VCPU_CACHE_40BIT_BAR2 0x8618 51 #define mmGRBM_GFX_INDEX_DEFAULT 0xE0000000 52 53 #define VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK 0x02 54 55 #define VCE_V3_0_FW_SIZE (384 * 1024) 56 #define VCE_V3_0_STACK_SIZE (64 * 1024) 57 #define VCE_V3_0_DATA_SIZE ((16 * 1024 * AMDGPU_MAX_VCE_HANDLES) + (52 * 1024)) 58 59 #define FW_52_8_3 ((52 << 24) | (8 << 16) | (3 << 8)) 60 61 #define GET_VCE_INSTANCE(i) ((i) << GRBM_GFX_INDEX__VCE_INSTANCE__SHIFT \ 62 | GRBM_GFX_INDEX__VCE_ALL_PIPE) 63 64 static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx); 65 static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev); 66 static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev); 67 static int vce_v3_0_wait_for_idle(void *handle); 68 static int vce_v3_0_set_clockgating_state(void *handle, 69 enum amd_clockgating_state state); 70 /** 71 * vce_v3_0_ring_get_rptr - get read pointer 72 * 73 * @ring: amdgpu_ring pointer 74 * 75 * Returns the current hardware read pointer 76 */ 77 static uint64_t vce_v3_0_ring_get_rptr(struct amdgpu_ring *ring) 78 { 79 struct amdgpu_device *adev = ring->adev; 80 u32 v; 81 82 mutex_lock(&adev->grbm_idx_mutex); 83 if (adev->vce.harvest_config == 0 || 84 adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE1) 85 WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(0)); 86 else if (adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE0) 87 WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(1)); 88 89 if (ring->me == 0) 90 v = RREG32(mmVCE_RB_RPTR); 91 else if (ring->me == 1) 92 v = RREG32(mmVCE_RB_RPTR2); 93 else 94 v = RREG32(mmVCE_RB_RPTR3); 95 96 WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT); 97 mutex_unlock(&adev->grbm_idx_mutex); 98 99 return v; 100 } 101 102 /** 103 * vce_v3_0_ring_get_wptr - get write pointer 104 * 105 * @ring: amdgpu_ring pointer 106 * 107 * Returns the current hardware write pointer 108 */ 109 static uint64_t vce_v3_0_ring_get_wptr(struct amdgpu_ring *ring) 110 { 111 struct amdgpu_device *adev = ring->adev; 112 u32 v; 113 114 mutex_lock(&adev->grbm_idx_mutex); 115 if (adev->vce.harvest_config == 0 || 116 adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE1) 117 WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(0)); 118 else if (adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE0) 119 WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(1)); 120 121 if (ring->me == 0) 122 v = RREG32(mmVCE_RB_WPTR); 123 else if (ring->me == 1) 124 v = RREG32(mmVCE_RB_WPTR2); 125 else 126 v = RREG32(mmVCE_RB_WPTR3); 127 128 WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT); 129 mutex_unlock(&adev->grbm_idx_mutex); 130 131 return v; 132 } 133 134 /** 135 * vce_v3_0_ring_set_wptr - set write pointer 136 * 137 * @ring: amdgpu_ring pointer 138 * 139 * Commits the write pointer to the hardware 140 */ 141 static void vce_v3_0_ring_set_wptr(struct amdgpu_ring *ring) 142 { 143 struct amdgpu_device *adev = ring->adev; 144 145 mutex_lock(&adev->grbm_idx_mutex); 146 if (adev->vce.harvest_config == 0 || 147 adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE1) 148 WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(0)); 149 else if (adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE0) 150 WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(1)); 151 152 if (ring->me == 0) 153 WREG32(mmVCE_RB_WPTR, lower_32_bits(ring->wptr)); 154 else if (ring->me == 1) 155 WREG32(mmVCE_RB_WPTR2, lower_32_bits(ring->wptr)); 156 else 157 WREG32(mmVCE_RB_WPTR3, lower_32_bits(ring->wptr)); 158 159 WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT); 160 mutex_unlock(&adev->grbm_idx_mutex); 161 } 162 163 static void vce_v3_0_override_vce_clock_gating(struct amdgpu_device *adev, bool override) 164 { 165 WREG32_FIELD(VCE_RB_ARB_CTRL, VCE_CGTT_OVERRIDE, override ? 1 : 0); 166 } 167 168 static void vce_v3_0_set_vce_sw_clock_gating(struct amdgpu_device *adev, 169 bool gated) 170 { 171 u32 data; 172 173 /* Set Override to disable Clock Gating */ 174 vce_v3_0_override_vce_clock_gating(adev, true); 175 176 /* This function enables MGCG which is controlled by firmware. 177 With the clocks in the gated state the core is still 178 accessible but the firmware will throttle the clocks on the 179 fly as necessary. 180 */ 181 if (!gated) { 182 data = RREG32(mmVCE_CLOCK_GATING_B); 183 data |= 0x1ff; 184 data &= ~0xef0000; 185 WREG32(mmVCE_CLOCK_GATING_B, data); 186 187 data = RREG32(mmVCE_UENC_CLOCK_GATING); 188 data |= 0x3ff000; 189 data &= ~0xffc00000; 190 WREG32(mmVCE_UENC_CLOCK_GATING, data); 191 192 data = RREG32(mmVCE_UENC_CLOCK_GATING_2); 193 data |= 0x2; 194 data &= ~0x00010000; 195 WREG32(mmVCE_UENC_CLOCK_GATING_2, data); 196 197 data = RREG32(mmVCE_UENC_REG_CLOCK_GATING); 198 data |= 0x37f; 199 WREG32(mmVCE_UENC_REG_CLOCK_GATING, data); 200 201 data = RREG32(mmVCE_UENC_DMA_DCLK_CTRL); 202 data |= VCE_UENC_DMA_DCLK_CTRL__WRDMCLK_FORCEON_MASK | 203 VCE_UENC_DMA_DCLK_CTRL__RDDMCLK_FORCEON_MASK | 204 VCE_UENC_DMA_DCLK_CTRL__REGCLK_FORCEON_MASK | 205 0x8; 206 WREG32(mmVCE_UENC_DMA_DCLK_CTRL, data); 207 } else { 208 data = RREG32(mmVCE_CLOCK_GATING_B); 209 data &= ~0x80010; 210 data |= 0xe70008; 211 WREG32(mmVCE_CLOCK_GATING_B, data); 212 213 data = RREG32(mmVCE_UENC_CLOCK_GATING); 214 data |= 0xffc00000; 215 WREG32(mmVCE_UENC_CLOCK_GATING, data); 216 217 data = RREG32(mmVCE_UENC_CLOCK_GATING_2); 218 data |= 0x10000; 219 WREG32(mmVCE_UENC_CLOCK_GATING_2, data); 220 221 data = RREG32(mmVCE_UENC_REG_CLOCK_GATING); 222 data &= ~0x3ff; 223 WREG32(mmVCE_UENC_REG_CLOCK_GATING, data); 224 225 data = RREG32(mmVCE_UENC_DMA_DCLK_CTRL); 226 data &= ~(VCE_UENC_DMA_DCLK_CTRL__WRDMCLK_FORCEON_MASK | 227 VCE_UENC_DMA_DCLK_CTRL__RDDMCLK_FORCEON_MASK | 228 VCE_UENC_DMA_DCLK_CTRL__REGCLK_FORCEON_MASK | 229 0x8); 230 WREG32(mmVCE_UENC_DMA_DCLK_CTRL, data); 231 } 232 vce_v3_0_override_vce_clock_gating(adev, false); 233 } 234 235 static int vce_v3_0_firmware_loaded(struct amdgpu_device *adev) 236 { 237 int i, j; 238 239 for (i = 0; i < 10; ++i) { 240 for (j = 0; j < 100; ++j) { 241 uint32_t status = RREG32(mmVCE_STATUS); 242 243 if (status & VCE_STATUS_VCPU_REPORT_FW_LOADED_MASK) 244 return 0; 245 mdelay(10); 246 } 247 248 DRM_ERROR("VCE not responding, trying to reset the ECPU!!!\n"); 249 WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 1); 250 mdelay(10); 251 WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 0); 252 mdelay(10); 253 } 254 255 return -ETIMEDOUT; 256 } 257 258 /** 259 * vce_v3_0_start - start VCE block 260 * 261 * @adev: amdgpu_device pointer 262 * 263 * Setup and start the VCE block 264 */ 265 static int vce_v3_0_start(struct amdgpu_device *adev) 266 { 267 struct amdgpu_ring *ring; 268 int idx, r; 269 270 mutex_lock(&adev->grbm_idx_mutex); 271 for (idx = 0; idx < 2; ++idx) { 272 if (adev->vce.harvest_config & (1 << idx)) 273 continue; 274 275 WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(idx)); 276 277 /* Program instance 0 reg space for two instances or instance 0 case 278 program instance 1 reg space for only instance 1 available case */ 279 if (idx != 1 || adev->vce.harvest_config == AMDGPU_VCE_HARVEST_VCE0) { 280 ring = &adev->vce.ring[0]; 281 WREG32(mmVCE_RB_RPTR, lower_32_bits(ring->wptr)); 282 WREG32(mmVCE_RB_WPTR, lower_32_bits(ring->wptr)); 283 WREG32(mmVCE_RB_BASE_LO, ring->gpu_addr); 284 WREG32(mmVCE_RB_BASE_HI, upper_32_bits(ring->gpu_addr)); 285 WREG32(mmVCE_RB_SIZE, ring->ring_size / 4); 286 287 ring = &adev->vce.ring[1]; 288 WREG32(mmVCE_RB_RPTR2, lower_32_bits(ring->wptr)); 289 WREG32(mmVCE_RB_WPTR2, lower_32_bits(ring->wptr)); 290 WREG32(mmVCE_RB_BASE_LO2, ring->gpu_addr); 291 WREG32(mmVCE_RB_BASE_HI2, upper_32_bits(ring->gpu_addr)); 292 WREG32(mmVCE_RB_SIZE2, ring->ring_size / 4); 293 294 ring = &adev->vce.ring[2]; 295 WREG32(mmVCE_RB_RPTR3, lower_32_bits(ring->wptr)); 296 WREG32(mmVCE_RB_WPTR3, lower_32_bits(ring->wptr)); 297 WREG32(mmVCE_RB_BASE_LO3, ring->gpu_addr); 298 WREG32(mmVCE_RB_BASE_HI3, upper_32_bits(ring->gpu_addr)); 299 WREG32(mmVCE_RB_SIZE3, ring->ring_size / 4); 300 } 301 302 vce_v3_0_mc_resume(adev, idx); 303 WREG32_FIELD(VCE_STATUS, JOB_BUSY, 1); 304 305 if (adev->asic_type >= CHIP_STONEY) 306 WREG32_P(mmVCE_VCPU_CNTL, 1, ~0x200001); 307 else 308 WREG32_FIELD(VCE_VCPU_CNTL, CLK_EN, 1); 309 310 WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 0); 311 mdelay(100); 312 313 r = vce_v3_0_firmware_loaded(adev); 314 315 /* clear BUSY flag */ 316 WREG32_FIELD(VCE_STATUS, JOB_BUSY, 0); 317 318 if (r) { 319 DRM_ERROR("VCE not responding, giving up!!!\n"); 320 mutex_unlock(&adev->grbm_idx_mutex); 321 return r; 322 } 323 } 324 325 WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT); 326 mutex_unlock(&adev->grbm_idx_mutex); 327 328 return 0; 329 } 330 331 static int vce_v3_0_stop(struct amdgpu_device *adev) 332 { 333 int idx; 334 335 mutex_lock(&adev->grbm_idx_mutex); 336 for (idx = 0; idx < 2; ++idx) { 337 if (adev->vce.harvest_config & (1 << idx)) 338 continue; 339 340 WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(idx)); 341 342 if (adev->asic_type >= CHIP_STONEY) 343 WREG32_P(mmVCE_VCPU_CNTL, 0, ~0x200001); 344 else 345 WREG32_FIELD(VCE_VCPU_CNTL, CLK_EN, 0); 346 347 /* hold on ECPU */ 348 WREG32_FIELD(VCE_SOFT_RESET, ECPU_SOFT_RESET, 1); 349 350 /* clear VCE STATUS */ 351 WREG32(mmVCE_STATUS, 0); 352 } 353 354 WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT); 355 mutex_unlock(&adev->grbm_idx_mutex); 356 357 return 0; 358 } 359 360 #define ixVCE_HARVEST_FUSE_MACRO__ADDRESS 0xC0014074 361 #define VCE_HARVEST_FUSE_MACRO__SHIFT 27 362 #define VCE_HARVEST_FUSE_MACRO__MASK 0x18000000 363 364 static unsigned vce_v3_0_get_harvest_config(struct amdgpu_device *adev) 365 { 366 u32 tmp; 367 368 if ((adev->asic_type == CHIP_FIJI) || 369 (adev->asic_type == CHIP_STONEY)) 370 return AMDGPU_VCE_HARVEST_VCE1; 371 372 if (adev->flags & AMD_IS_APU) 373 tmp = (RREG32_SMC(ixVCE_HARVEST_FUSE_MACRO__ADDRESS) & 374 VCE_HARVEST_FUSE_MACRO__MASK) >> 375 VCE_HARVEST_FUSE_MACRO__SHIFT; 376 else 377 tmp = (RREG32_SMC(ixCC_HARVEST_FUSES) & 378 CC_HARVEST_FUSES__VCE_DISABLE_MASK) >> 379 CC_HARVEST_FUSES__VCE_DISABLE__SHIFT; 380 381 switch (tmp) { 382 case 1: 383 return AMDGPU_VCE_HARVEST_VCE0; 384 case 2: 385 return AMDGPU_VCE_HARVEST_VCE1; 386 case 3: 387 return AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1; 388 default: 389 if ((adev->asic_type == CHIP_POLARIS10) || 390 (adev->asic_type == CHIP_POLARIS11) || 391 (adev->asic_type == CHIP_POLARIS12) || 392 (adev->asic_type == CHIP_VEGAM)) 393 return AMDGPU_VCE_HARVEST_VCE1; 394 395 return 0; 396 } 397 } 398 399 static int vce_v3_0_early_init(void *handle) 400 { 401 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 402 403 adev->vce.harvest_config = vce_v3_0_get_harvest_config(adev); 404 405 if ((adev->vce.harvest_config & 406 (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1)) == 407 (AMDGPU_VCE_HARVEST_VCE0 | AMDGPU_VCE_HARVEST_VCE1)) 408 return -ENOENT; 409 410 adev->vce.num_rings = 3; 411 412 vce_v3_0_set_ring_funcs(adev); 413 vce_v3_0_set_irq_funcs(adev); 414 415 return 0; 416 } 417 418 static int vce_v3_0_sw_init(void *handle) 419 { 420 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 421 struct amdgpu_ring *ring; 422 int r, i; 423 424 /* VCE */ 425 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_VCE_TRAP, &adev->vce.irq); 426 if (r) 427 return r; 428 429 r = amdgpu_vce_sw_init(adev, VCE_V3_0_FW_SIZE + 430 (VCE_V3_0_STACK_SIZE + VCE_V3_0_DATA_SIZE) * 2); 431 if (r) 432 return r; 433 434 /* 52.8.3 required for 3 ring support */ 435 if (adev->vce.fw_version < FW_52_8_3) 436 adev->vce.num_rings = 2; 437 438 r = amdgpu_vce_resume(adev); 439 if (r) 440 return r; 441 442 for (i = 0; i < adev->vce.num_rings; i++) { 443 ring = &adev->vce.ring[i]; 444 sprintf(ring->name, "vce%d", i); 445 r = amdgpu_ring_init(adev, ring, 512, &adev->vce.irq, 0); 446 if (r) 447 return r; 448 } 449 450 r = amdgpu_vce_entity_init(adev); 451 452 return r; 453 } 454 455 static int vce_v3_0_sw_fini(void *handle) 456 { 457 int r; 458 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 459 460 r = amdgpu_vce_suspend(adev); 461 if (r) 462 return r; 463 464 return amdgpu_vce_sw_fini(adev); 465 } 466 467 static int vce_v3_0_hw_init(void *handle) 468 { 469 int r, i; 470 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 471 472 vce_v3_0_override_vce_clock_gating(adev, true); 473 474 amdgpu_asic_set_vce_clocks(adev, 10000, 10000); 475 476 for (i = 0; i < adev->vce.num_rings; i++) { 477 r = amdgpu_ring_test_helper(&adev->vce.ring[i]); 478 if (r) 479 return r; 480 } 481 482 DRM_INFO("VCE initialized successfully.\n"); 483 484 return 0; 485 } 486 487 static int vce_v3_0_hw_fini(void *handle) 488 { 489 int r; 490 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 491 492 r = vce_v3_0_wait_for_idle(handle); 493 if (r) 494 return r; 495 496 vce_v3_0_stop(adev); 497 return vce_v3_0_set_clockgating_state(adev, AMD_CG_STATE_GATE); 498 } 499 500 static int vce_v3_0_suspend(void *handle) 501 { 502 int r; 503 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 504 505 r = vce_v3_0_hw_fini(adev); 506 if (r) 507 return r; 508 509 return amdgpu_vce_suspend(adev); 510 } 511 512 static int vce_v3_0_resume(void *handle) 513 { 514 int r; 515 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 516 517 r = amdgpu_vce_resume(adev); 518 if (r) 519 return r; 520 521 return vce_v3_0_hw_init(adev); 522 } 523 524 static void vce_v3_0_mc_resume(struct amdgpu_device *adev, int idx) 525 { 526 uint32_t offset, size; 527 528 WREG32_P(mmVCE_CLOCK_GATING_A, 0, ~(1 << 16)); 529 WREG32_P(mmVCE_UENC_CLOCK_GATING, 0x1FF000, ~0xFF9FF000); 530 WREG32_P(mmVCE_UENC_REG_CLOCK_GATING, 0x3F, ~0x3F); 531 WREG32(mmVCE_CLOCK_GATING_B, 0x1FF); 532 533 WREG32(mmVCE_LMI_CTRL, 0x00398000); 534 WREG32_P(mmVCE_LMI_CACHE_CTRL, 0x0, ~0x1); 535 WREG32(mmVCE_LMI_SWAP_CNTL, 0); 536 WREG32(mmVCE_LMI_SWAP_CNTL1, 0); 537 WREG32(mmVCE_LMI_VM_CTRL, 0); 538 WREG32_OR(mmVCE_VCPU_CNTL, 0x00100000); 539 540 if (adev->asic_type >= CHIP_STONEY) { 541 WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR0, (adev->vce.gpu_addr >> 8)); 542 WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR1, (adev->vce.gpu_addr >> 8)); 543 WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR2, (adev->vce.gpu_addr >> 8)); 544 } else 545 WREG32(mmVCE_LMI_VCPU_CACHE_40BIT_BAR, (adev->vce.gpu_addr >> 8)); 546 offset = AMDGPU_VCE_FIRMWARE_OFFSET; 547 size = VCE_V3_0_FW_SIZE; 548 WREG32(mmVCE_VCPU_CACHE_OFFSET0, offset & 0x7fffffff); 549 WREG32(mmVCE_VCPU_CACHE_SIZE0, size); 550 551 if (idx == 0) { 552 offset += size; 553 size = VCE_V3_0_STACK_SIZE; 554 WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0x7fffffff); 555 WREG32(mmVCE_VCPU_CACHE_SIZE1, size); 556 offset += size; 557 size = VCE_V3_0_DATA_SIZE; 558 WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0x7fffffff); 559 WREG32(mmVCE_VCPU_CACHE_SIZE2, size); 560 } else { 561 offset += size + VCE_V3_0_STACK_SIZE + VCE_V3_0_DATA_SIZE; 562 size = VCE_V3_0_STACK_SIZE; 563 WREG32(mmVCE_VCPU_CACHE_OFFSET1, offset & 0xfffffff); 564 WREG32(mmVCE_VCPU_CACHE_SIZE1, size); 565 offset += size; 566 size = VCE_V3_0_DATA_SIZE; 567 WREG32(mmVCE_VCPU_CACHE_OFFSET2, offset & 0xfffffff); 568 WREG32(mmVCE_VCPU_CACHE_SIZE2, size); 569 } 570 571 WREG32_P(mmVCE_LMI_CTRL2, 0x0, ~0x100); 572 WREG32_FIELD(VCE_SYS_INT_EN, VCE_SYS_INT_TRAP_INTERRUPT_EN, 1); 573 } 574 575 static bool vce_v3_0_is_idle(void *handle) 576 { 577 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 578 u32 mask = 0; 579 580 mask |= (adev->vce.harvest_config & AMDGPU_VCE_HARVEST_VCE0) ? 0 : SRBM_STATUS2__VCE0_BUSY_MASK; 581 mask |= (adev->vce.harvest_config & AMDGPU_VCE_HARVEST_VCE1) ? 0 : SRBM_STATUS2__VCE1_BUSY_MASK; 582 583 return !(RREG32(mmSRBM_STATUS2) & mask); 584 } 585 586 static int vce_v3_0_wait_for_idle(void *handle) 587 { 588 unsigned i; 589 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 590 591 for (i = 0; i < adev->usec_timeout; i++) 592 if (vce_v3_0_is_idle(handle)) 593 return 0; 594 595 return -ETIMEDOUT; 596 } 597 598 #define VCE_STATUS_VCPU_REPORT_AUTO_BUSY_MASK 0x00000008L /* AUTO_BUSY */ 599 #define VCE_STATUS_VCPU_REPORT_RB0_BUSY_MASK 0x00000010L /* RB0_BUSY */ 600 #define VCE_STATUS_VCPU_REPORT_RB1_BUSY_MASK 0x00000020L /* RB1_BUSY */ 601 #define AMDGPU_VCE_STATUS_BUSY_MASK (VCE_STATUS_VCPU_REPORT_AUTO_BUSY_MASK | \ 602 VCE_STATUS_VCPU_REPORT_RB0_BUSY_MASK) 603 604 static bool vce_v3_0_check_soft_reset(void *handle) 605 { 606 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 607 u32 srbm_soft_reset = 0; 608 609 /* According to VCE team , we should use VCE_STATUS instead 610 * SRBM_STATUS.VCE_BUSY bit for busy status checking. 611 * GRBM_GFX_INDEX.INSTANCE_INDEX is used to specify which VCE 612 * instance's registers are accessed 613 * (0 for 1st instance, 10 for 2nd instance). 614 * 615 *VCE_STATUS 616 *|UENC|ACPI|AUTO ACTIVE|RB1 |RB0 |RB2 | |FW_LOADED|JOB | 617 *|----+----+-----------+----+----+----+----------+---------+----| 618 *|bit8|bit7| bit6 |bit5|bit4|bit3| bit2 | bit1 |bit0| 619 * 620 * VCE team suggest use bit 3--bit 6 for busy status check 621 */ 622 mutex_lock(&adev->grbm_idx_mutex); 623 WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(0)); 624 if (RREG32(mmVCE_STATUS) & AMDGPU_VCE_STATUS_BUSY_MASK) { 625 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1); 626 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE1, 1); 627 } 628 WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(1)); 629 if (RREG32(mmVCE_STATUS) & AMDGPU_VCE_STATUS_BUSY_MASK) { 630 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE0, 1); 631 srbm_soft_reset = REG_SET_FIELD(srbm_soft_reset, SRBM_SOFT_RESET, SOFT_RESET_VCE1, 1); 632 } 633 WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(0)); 634 mutex_unlock(&adev->grbm_idx_mutex); 635 636 if (srbm_soft_reset) { 637 adev->vce.srbm_soft_reset = srbm_soft_reset; 638 return true; 639 } else { 640 adev->vce.srbm_soft_reset = 0; 641 return false; 642 } 643 } 644 645 static int vce_v3_0_soft_reset(void *handle) 646 { 647 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 648 u32 srbm_soft_reset; 649 650 if (!adev->vce.srbm_soft_reset) 651 return 0; 652 srbm_soft_reset = adev->vce.srbm_soft_reset; 653 654 if (srbm_soft_reset) { 655 u32 tmp; 656 657 tmp = RREG32(mmSRBM_SOFT_RESET); 658 tmp |= srbm_soft_reset; 659 dev_info(adev->dev, "SRBM_SOFT_RESET=0x%08X\n", tmp); 660 WREG32(mmSRBM_SOFT_RESET, tmp); 661 tmp = RREG32(mmSRBM_SOFT_RESET); 662 663 udelay(50); 664 665 tmp &= ~srbm_soft_reset; 666 WREG32(mmSRBM_SOFT_RESET, tmp); 667 tmp = RREG32(mmSRBM_SOFT_RESET); 668 669 /* Wait a little for things to settle down */ 670 udelay(50); 671 } 672 673 return 0; 674 } 675 676 static int vce_v3_0_pre_soft_reset(void *handle) 677 { 678 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 679 680 if (!adev->vce.srbm_soft_reset) 681 return 0; 682 683 mdelay(5); 684 685 return vce_v3_0_suspend(adev); 686 } 687 688 689 static int vce_v3_0_post_soft_reset(void *handle) 690 { 691 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 692 693 if (!adev->vce.srbm_soft_reset) 694 return 0; 695 696 mdelay(5); 697 698 return vce_v3_0_resume(adev); 699 } 700 701 static int vce_v3_0_set_interrupt_state(struct amdgpu_device *adev, 702 struct amdgpu_irq_src *source, 703 unsigned type, 704 enum amdgpu_interrupt_state state) 705 { 706 uint32_t val = 0; 707 708 if (state == AMDGPU_IRQ_STATE_ENABLE) 709 val |= VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK; 710 711 WREG32_P(mmVCE_SYS_INT_EN, val, ~VCE_SYS_INT_EN__VCE_SYS_INT_TRAP_INTERRUPT_EN_MASK); 712 return 0; 713 } 714 715 static int vce_v3_0_process_interrupt(struct amdgpu_device *adev, 716 struct amdgpu_irq_src *source, 717 struct amdgpu_iv_entry *entry) 718 { 719 DRM_DEBUG("IH: VCE\n"); 720 721 WREG32_FIELD(VCE_SYS_INT_STATUS, VCE_SYS_INT_TRAP_INTERRUPT_INT, 1); 722 723 switch (entry->src_data[0]) { 724 case 0: 725 case 1: 726 case 2: 727 amdgpu_fence_process(&adev->vce.ring[entry->src_data[0]]); 728 break; 729 default: 730 DRM_ERROR("Unhandled interrupt: %d %d\n", 731 entry->src_id, entry->src_data[0]); 732 break; 733 } 734 735 return 0; 736 } 737 738 static int vce_v3_0_set_clockgating_state(void *handle, 739 enum amd_clockgating_state state) 740 { 741 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 742 bool enable = (state == AMD_CG_STATE_GATE) ? true : false; 743 int i; 744 745 if (!(adev->cg_flags & AMD_CG_SUPPORT_VCE_MGCG)) 746 return 0; 747 748 mutex_lock(&adev->grbm_idx_mutex); 749 for (i = 0; i < 2; i++) { 750 /* Program VCE Instance 0 or 1 if not harvested */ 751 if (adev->vce.harvest_config & (1 << i)) 752 continue; 753 754 WREG32(mmGRBM_GFX_INDEX, GET_VCE_INSTANCE(i)); 755 756 if (!enable) { 757 /* initialize VCE_CLOCK_GATING_A: Clock ON/OFF delay */ 758 uint32_t data = RREG32(mmVCE_CLOCK_GATING_A); 759 data &= ~(0xf | 0xff0); 760 data |= ((0x0 << 0) | (0x04 << 4)); 761 WREG32(mmVCE_CLOCK_GATING_A, data); 762 763 /* initialize VCE_UENC_CLOCK_GATING: Clock ON/OFF delay */ 764 data = RREG32(mmVCE_UENC_CLOCK_GATING); 765 data &= ~(0xf | 0xff0); 766 data |= ((0x0 << 0) | (0x04 << 4)); 767 WREG32(mmVCE_UENC_CLOCK_GATING, data); 768 } 769 770 vce_v3_0_set_vce_sw_clock_gating(adev, enable); 771 } 772 773 WREG32(mmGRBM_GFX_INDEX, mmGRBM_GFX_INDEX_DEFAULT); 774 mutex_unlock(&adev->grbm_idx_mutex); 775 776 return 0; 777 } 778 779 static int vce_v3_0_set_powergating_state(void *handle, 780 enum amd_powergating_state state) 781 { 782 /* This doesn't actually powergate the VCE block. 783 * That's done in the dpm code via the SMC. This 784 * just re-inits the block as necessary. The actual 785 * gating still happens in the dpm code. We should 786 * revisit this when there is a cleaner line between 787 * the smc and the hw blocks 788 */ 789 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 790 int ret = 0; 791 792 if (state == AMD_PG_STATE_GATE) { 793 ret = vce_v3_0_stop(adev); 794 if (ret) 795 goto out; 796 } else { 797 ret = vce_v3_0_start(adev); 798 if (ret) 799 goto out; 800 } 801 802 out: 803 return ret; 804 } 805 806 static void vce_v3_0_get_clockgating_state(void *handle, u32 *flags) 807 { 808 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 809 int data; 810 811 mutex_lock(&adev->pm.mutex); 812 813 if (adev->flags & AMD_IS_APU) 814 data = RREG32_SMC(ixCURRENT_PG_STATUS_APU); 815 else 816 data = RREG32_SMC(ixCURRENT_PG_STATUS); 817 818 if (data & CURRENT_PG_STATUS__VCE_PG_STATUS_MASK) { 819 DRM_INFO("Cannot get clockgating state when VCE is powergated.\n"); 820 goto out; 821 } 822 823 WREG32_FIELD(GRBM_GFX_INDEX, VCE_INSTANCE, 0); 824 825 /* AMD_CG_SUPPORT_VCE_MGCG */ 826 data = RREG32(mmVCE_CLOCK_GATING_A); 827 if (data & (0x04 << 4)) 828 *flags |= AMD_CG_SUPPORT_VCE_MGCG; 829 830 out: 831 mutex_unlock(&adev->pm.mutex); 832 } 833 834 static void vce_v3_0_ring_emit_ib(struct amdgpu_ring *ring, 835 struct amdgpu_job *job, 836 struct amdgpu_ib *ib, 837 uint32_t flags) 838 { 839 unsigned vmid = AMDGPU_JOB_GET_VMID(job); 840 841 amdgpu_ring_write(ring, VCE_CMD_IB_VM); 842 amdgpu_ring_write(ring, vmid); 843 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 844 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 845 amdgpu_ring_write(ring, ib->length_dw); 846 } 847 848 static void vce_v3_0_emit_vm_flush(struct amdgpu_ring *ring, 849 unsigned int vmid, uint64_t pd_addr) 850 { 851 amdgpu_ring_write(ring, VCE_CMD_UPDATE_PTB); 852 amdgpu_ring_write(ring, vmid); 853 amdgpu_ring_write(ring, pd_addr >> 12); 854 855 amdgpu_ring_write(ring, VCE_CMD_FLUSH_TLB); 856 amdgpu_ring_write(ring, vmid); 857 amdgpu_ring_write(ring, VCE_CMD_END); 858 } 859 860 static void vce_v3_0_emit_pipeline_sync(struct amdgpu_ring *ring) 861 { 862 uint32_t seq = ring->fence_drv.sync_seq; 863 uint64_t addr = ring->fence_drv.gpu_addr; 864 865 amdgpu_ring_write(ring, VCE_CMD_WAIT_GE); 866 amdgpu_ring_write(ring, lower_32_bits(addr)); 867 amdgpu_ring_write(ring, upper_32_bits(addr)); 868 amdgpu_ring_write(ring, seq); 869 } 870 871 static const struct amd_ip_funcs vce_v3_0_ip_funcs = { 872 .name = "vce_v3_0", 873 .early_init = vce_v3_0_early_init, 874 .late_init = NULL, 875 .sw_init = vce_v3_0_sw_init, 876 .sw_fini = vce_v3_0_sw_fini, 877 .hw_init = vce_v3_0_hw_init, 878 .hw_fini = vce_v3_0_hw_fini, 879 .suspend = vce_v3_0_suspend, 880 .resume = vce_v3_0_resume, 881 .is_idle = vce_v3_0_is_idle, 882 .wait_for_idle = vce_v3_0_wait_for_idle, 883 .check_soft_reset = vce_v3_0_check_soft_reset, 884 .pre_soft_reset = vce_v3_0_pre_soft_reset, 885 .soft_reset = vce_v3_0_soft_reset, 886 .post_soft_reset = vce_v3_0_post_soft_reset, 887 .set_clockgating_state = vce_v3_0_set_clockgating_state, 888 .set_powergating_state = vce_v3_0_set_powergating_state, 889 .get_clockgating_state = vce_v3_0_get_clockgating_state, 890 }; 891 892 static const struct amdgpu_ring_funcs vce_v3_0_ring_phys_funcs = { 893 .type = AMDGPU_RING_TYPE_VCE, 894 .align_mask = 0xf, 895 .nop = VCE_CMD_NO_OP, 896 .support_64bit_ptrs = false, 897 .no_user_fence = true, 898 .get_rptr = vce_v3_0_ring_get_rptr, 899 .get_wptr = vce_v3_0_ring_get_wptr, 900 .set_wptr = vce_v3_0_ring_set_wptr, 901 .parse_cs = amdgpu_vce_ring_parse_cs, 902 .emit_frame_size = 903 4 + /* vce_v3_0_emit_pipeline_sync */ 904 6, /* amdgpu_vce_ring_emit_fence x1 no user fence */ 905 .emit_ib_size = 4, /* amdgpu_vce_ring_emit_ib */ 906 .emit_ib = amdgpu_vce_ring_emit_ib, 907 .emit_fence = amdgpu_vce_ring_emit_fence, 908 .test_ring = amdgpu_vce_ring_test_ring, 909 .test_ib = amdgpu_vce_ring_test_ib, 910 .insert_nop = amdgpu_ring_insert_nop, 911 .pad_ib = amdgpu_ring_generic_pad_ib, 912 .begin_use = amdgpu_vce_ring_begin_use, 913 .end_use = amdgpu_vce_ring_end_use, 914 }; 915 916 static const struct amdgpu_ring_funcs vce_v3_0_ring_vm_funcs = { 917 .type = AMDGPU_RING_TYPE_VCE, 918 .align_mask = 0xf, 919 .nop = VCE_CMD_NO_OP, 920 .support_64bit_ptrs = false, 921 .no_user_fence = true, 922 .get_rptr = vce_v3_0_ring_get_rptr, 923 .get_wptr = vce_v3_0_ring_get_wptr, 924 .set_wptr = vce_v3_0_ring_set_wptr, 925 .parse_cs = amdgpu_vce_ring_parse_cs_vm, 926 .emit_frame_size = 927 6 + /* vce_v3_0_emit_vm_flush */ 928 4 + /* vce_v3_0_emit_pipeline_sync */ 929 6 + 6, /* amdgpu_vce_ring_emit_fence x2 vm fence */ 930 .emit_ib_size = 5, /* vce_v3_0_ring_emit_ib */ 931 .emit_ib = vce_v3_0_ring_emit_ib, 932 .emit_vm_flush = vce_v3_0_emit_vm_flush, 933 .emit_pipeline_sync = vce_v3_0_emit_pipeline_sync, 934 .emit_fence = amdgpu_vce_ring_emit_fence, 935 .test_ring = amdgpu_vce_ring_test_ring, 936 .test_ib = amdgpu_vce_ring_test_ib, 937 .insert_nop = amdgpu_ring_insert_nop, 938 .pad_ib = amdgpu_ring_generic_pad_ib, 939 .begin_use = amdgpu_vce_ring_begin_use, 940 .end_use = amdgpu_vce_ring_end_use, 941 }; 942 943 static void vce_v3_0_set_ring_funcs(struct amdgpu_device *adev) 944 { 945 int i; 946 947 if (adev->asic_type >= CHIP_STONEY) { 948 for (i = 0; i < adev->vce.num_rings; i++) { 949 adev->vce.ring[i].funcs = &vce_v3_0_ring_vm_funcs; 950 adev->vce.ring[i].me = i; 951 } 952 DRM_INFO("VCE enabled in VM mode\n"); 953 } else { 954 for (i = 0; i < adev->vce.num_rings; i++) { 955 adev->vce.ring[i].funcs = &vce_v3_0_ring_phys_funcs; 956 adev->vce.ring[i].me = i; 957 } 958 DRM_INFO("VCE enabled in physical mode\n"); 959 } 960 } 961 962 static const struct amdgpu_irq_src_funcs vce_v3_0_irq_funcs = { 963 .set = vce_v3_0_set_interrupt_state, 964 .process = vce_v3_0_process_interrupt, 965 }; 966 967 static void vce_v3_0_set_irq_funcs(struct amdgpu_device *adev) 968 { 969 adev->vce.irq.num_types = 1; 970 adev->vce.irq.funcs = &vce_v3_0_irq_funcs; 971 }; 972 973 const struct amdgpu_ip_block_version vce_v3_0_ip_block = 974 { 975 .type = AMD_IP_BLOCK_TYPE_VCE, 976 .major = 3, 977 .minor = 0, 978 .rev = 0, 979 .funcs = &vce_v3_0_ip_funcs, 980 }; 981 982 const struct amdgpu_ip_block_version vce_v3_1_ip_block = 983 { 984 .type = AMD_IP_BLOCK_TYPE_VCE, 985 .major = 3, 986 .minor = 1, 987 .rev = 0, 988 .funcs = &vce_v3_0_ip_funcs, 989 }; 990 991 const struct amdgpu_ip_block_version vce_v3_4_ip_block = 992 { 993 .type = AMD_IP_BLOCK_TYPE_VCE, 994 .major = 3, 995 .minor = 4, 996 .rev = 0, 997 .funcs = &vce_v3_0_ip_funcs, 998 }; 999