1 /* 2 * Copyright 2014 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 * Authors: Christian König <christian.koenig@amd.com> 23 */ 24 25 #include <linux/firmware.h> 26 #include <drm/drmP.h> 27 #include "amdgpu.h" 28 #include "amdgpu_uvd.h" 29 #include "vid.h" 30 #include "uvd/uvd_5_0_d.h" 31 #include "uvd/uvd_5_0_sh_mask.h" 32 #include "oss/oss_2_0_d.h" 33 #include "oss/oss_2_0_sh_mask.h" 34 #include "bif/bif_5_0_d.h" 35 #include "vi.h" 36 #include "smu/smu_7_1_2_d.h" 37 #include "smu/smu_7_1_2_sh_mask.h" 38 39 static void uvd_v5_0_set_ring_funcs(struct amdgpu_device *adev); 40 static void uvd_v5_0_set_irq_funcs(struct amdgpu_device *adev); 41 static int uvd_v5_0_start(struct amdgpu_device *adev); 42 static void uvd_v5_0_stop(struct amdgpu_device *adev); 43 static int uvd_v5_0_set_clockgating_state(void *handle, 44 enum amd_clockgating_state state); 45 static void uvd_v5_0_enable_mgcg(struct amdgpu_device *adev, 46 bool enable); 47 /** 48 * uvd_v5_0_ring_get_rptr - get read pointer 49 * 50 * @ring: amdgpu_ring pointer 51 * 52 * Returns the current hardware read pointer 53 */ 54 static uint64_t uvd_v5_0_ring_get_rptr(struct amdgpu_ring *ring) 55 { 56 struct amdgpu_device *adev = ring->adev; 57 58 return RREG32(mmUVD_RBC_RB_RPTR); 59 } 60 61 /** 62 * uvd_v5_0_ring_get_wptr - get write pointer 63 * 64 * @ring: amdgpu_ring pointer 65 * 66 * Returns the current hardware write pointer 67 */ 68 static uint64_t uvd_v5_0_ring_get_wptr(struct amdgpu_ring *ring) 69 { 70 struct amdgpu_device *adev = ring->adev; 71 72 return RREG32(mmUVD_RBC_RB_WPTR); 73 } 74 75 /** 76 * uvd_v5_0_ring_set_wptr - set write pointer 77 * 78 * @ring: amdgpu_ring pointer 79 * 80 * Commits the write pointer to the hardware 81 */ 82 static void uvd_v5_0_ring_set_wptr(struct amdgpu_ring *ring) 83 { 84 struct amdgpu_device *adev = ring->adev; 85 86 WREG32(mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr)); 87 } 88 89 static int uvd_v5_0_early_init(void *handle) 90 { 91 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 92 93 uvd_v5_0_set_ring_funcs(adev); 94 uvd_v5_0_set_irq_funcs(adev); 95 96 return 0; 97 } 98 99 static int uvd_v5_0_sw_init(void *handle) 100 { 101 struct amdgpu_ring *ring; 102 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 103 int r; 104 105 /* UVD TRAP */ 106 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 124, &adev->uvd.irq); 107 if (r) 108 return r; 109 110 r = amdgpu_uvd_sw_init(adev); 111 if (r) 112 return r; 113 114 r = amdgpu_uvd_resume(adev); 115 if (r) 116 return r; 117 118 ring = &adev->uvd.ring; 119 sprintf(ring->name, "uvd"); 120 r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.irq, 0); 121 122 return r; 123 } 124 125 static int uvd_v5_0_sw_fini(void *handle) 126 { 127 int r; 128 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 129 130 r = amdgpu_uvd_suspend(adev); 131 if (r) 132 return r; 133 134 return amdgpu_uvd_sw_fini(adev); 135 } 136 137 /** 138 * uvd_v5_0_hw_init - start and test UVD block 139 * 140 * @adev: amdgpu_device pointer 141 * 142 * Initialize the hardware, boot up the VCPU and do some testing 143 */ 144 static int uvd_v5_0_hw_init(void *handle) 145 { 146 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 147 struct amdgpu_ring *ring = &adev->uvd.ring; 148 uint32_t tmp; 149 int r; 150 151 amdgpu_asic_set_uvd_clocks(adev, 10000, 10000); 152 uvd_v5_0_set_clockgating_state(adev, AMD_CG_STATE_UNGATE); 153 uvd_v5_0_enable_mgcg(adev, true); 154 155 ring->ready = true; 156 r = amdgpu_ring_test_ring(ring); 157 if (r) { 158 ring->ready = false; 159 goto done; 160 } 161 162 r = amdgpu_ring_alloc(ring, 10); 163 if (r) { 164 DRM_ERROR("amdgpu: ring failed to lock UVD ring (%d).\n", r); 165 goto done; 166 } 167 168 tmp = PACKET0(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0); 169 amdgpu_ring_write(ring, tmp); 170 amdgpu_ring_write(ring, 0xFFFFF); 171 172 tmp = PACKET0(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0); 173 amdgpu_ring_write(ring, tmp); 174 amdgpu_ring_write(ring, 0xFFFFF); 175 176 tmp = PACKET0(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0); 177 amdgpu_ring_write(ring, tmp); 178 amdgpu_ring_write(ring, 0xFFFFF); 179 180 /* Clear timeout status bits */ 181 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_TIMEOUT_STATUS, 0)); 182 amdgpu_ring_write(ring, 0x8); 183 184 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_CNTL, 0)); 185 amdgpu_ring_write(ring, 3); 186 187 amdgpu_ring_commit(ring); 188 189 done: 190 if (!r) 191 DRM_INFO("UVD initialized successfully.\n"); 192 193 return r; 194 195 } 196 197 /** 198 * uvd_v5_0_hw_fini - stop the hardware block 199 * 200 * @adev: amdgpu_device pointer 201 * 202 * Stop the UVD block, mark ring as not ready any more 203 */ 204 static int uvd_v5_0_hw_fini(void *handle) 205 { 206 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 207 struct amdgpu_ring *ring = &adev->uvd.ring; 208 209 if (RREG32(mmUVD_STATUS) != 0) 210 uvd_v5_0_stop(adev); 211 212 ring->ready = false; 213 214 return 0; 215 } 216 217 static int uvd_v5_0_suspend(void *handle) 218 { 219 int r; 220 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 221 222 r = uvd_v5_0_hw_fini(adev); 223 if (r) 224 return r; 225 uvd_v5_0_set_clockgating_state(adev, AMD_CG_STATE_GATE); 226 227 return amdgpu_uvd_suspend(adev); 228 } 229 230 static int uvd_v5_0_resume(void *handle) 231 { 232 int r; 233 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 234 235 r = amdgpu_uvd_resume(adev); 236 if (r) 237 return r; 238 239 return uvd_v5_0_hw_init(adev); 240 } 241 242 /** 243 * uvd_v5_0_mc_resume - memory controller programming 244 * 245 * @adev: amdgpu_device pointer 246 * 247 * Let the UVD memory controller know it's offsets 248 */ 249 static void uvd_v5_0_mc_resume(struct amdgpu_device *adev) 250 { 251 uint64_t offset; 252 uint32_t size; 253 254 /* programm memory controller bits 0-27 */ 255 WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW, 256 lower_32_bits(adev->uvd.gpu_addr)); 257 WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH, 258 upper_32_bits(adev->uvd.gpu_addr)); 259 260 offset = AMDGPU_UVD_FIRMWARE_OFFSET; 261 size = AMDGPU_UVD_FIRMWARE_SIZE(adev); 262 WREG32(mmUVD_VCPU_CACHE_OFFSET0, offset >> 3); 263 WREG32(mmUVD_VCPU_CACHE_SIZE0, size); 264 265 offset += size; 266 size = AMDGPU_UVD_HEAP_SIZE; 267 WREG32(mmUVD_VCPU_CACHE_OFFSET1, offset >> 3); 268 WREG32(mmUVD_VCPU_CACHE_SIZE1, size); 269 270 offset += size; 271 size = AMDGPU_UVD_STACK_SIZE + 272 (AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles); 273 WREG32(mmUVD_VCPU_CACHE_OFFSET2, offset >> 3); 274 WREG32(mmUVD_VCPU_CACHE_SIZE2, size); 275 276 WREG32(mmUVD_UDEC_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 277 WREG32(mmUVD_UDEC_DB_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 278 WREG32(mmUVD_UDEC_DBW_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 279 } 280 281 /** 282 * uvd_v5_0_start - start UVD block 283 * 284 * @adev: amdgpu_device pointer 285 * 286 * Setup and start the UVD block 287 */ 288 static int uvd_v5_0_start(struct amdgpu_device *adev) 289 { 290 struct amdgpu_ring *ring = &adev->uvd.ring; 291 uint32_t rb_bufsz, tmp; 292 uint32_t lmi_swap_cntl; 293 uint32_t mp_swap_cntl; 294 int i, j, r; 295 296 /*disable DPG */ 297 WREG32_P(mmUVD_POWER_STATUS, 0, ~(1 << 2)); 298 299 /* disable byte swapping */ 300 lmi_swap_cntl = 0; 301 mp_swap_cntl = 0; 302 303 uvd_v5_0_mc_resume(adev); 304 305 /* disable interupt */ 306 WREG32_P(mmUVD_MASTINT_EN, 0, ~(1 << 1)); 307 308 /* stall UMC and register bus before resetting VCPU */ 309 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); 310 mdelay(1); 311 312 /* put LMI, VCPU, RBC etc... into reset */ 313 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__LMI_SOFT_RESET_MASK | 314 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK | 315 UVD_SOFT_RESET__RBC_SOFT_RESET_MASK | UVD_SOFT_RESET__CSM_SOFT_RESET_MASK | 316 UVD_SOFT_RESET__CXW_SOFT_RESET_MASK | UVD_SOFT_RESET__TAP_SOFT_RESET_MASK | 317 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK); 318 mdelay(5); 319 320 /* take UVD block out of reset */ 321 WREG32_P(mmSRBM_SOFT_RESET, 0, ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); 322 mdelay(5); 323 324 /* initialize UVD memory controller */ 325 WREG32(mmUVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) | 326 (1 << 21) | (1 << 9) | (1 << 20)); 327 328 #ifdef __BIG_ENDIAN 329 /* swap (8 in 32) RB and IB */ 330 lmi_swap_cntl = 0xa; 331 mp_swap_cntl = 0; 332 #endif 333 WREG32(mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl); 334 WREG32(mmUVD_MP_SWAP_CNTL, mp_swap_cntl); 335 336 WREG32(mmUVD_MPC_SET_MUXA0, 0x40c2040); 337 WREG32(mmUVD_MPC_SET_MUXA1, 0x0); 338 WREG32(mmUVD_MPC_SET_MUXB0, 0x40c2040); 339 WREG32(mmUVD_MPC_SET_MUXB1, 0x0); 340 WREG32(mmUVD_MPC_SET_ALU, 0); 341 WREG32(mmUVD_MPC_SET_MUX, 0x88); 342 343 /* take all subblocks out of reset, except VCPU */ 344 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 345 mdelay(5); 346 347 /* enable VCPU clock */ 348 WREG32(mmUVD_VCPU_CNTL, 1 << 9); 349 350 /* enable UMC */ 351 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); 352 353 /* boot up the VCPU */ 354 WREG32(mmUVD_SOFT_RESET, 0); 355 mdelay(10); 356 357 for (i = 0; i < 10; ++i) { 358 uint32_t status; 359 for (j = 0; j < 100; ++j) { 360 status = RREG32(mmUVD_STATUS); 361 if (status & 2) 362 break; 363 mdelay(10); 364 } 365 r = 0; 366 if (status & 2) 367 break; 368 369 DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n"); 370 WREG32_P(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK, 371 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 372 mdelay(10); 373 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 374 mdelay(10); 375 r = -1; 376 } 377 378 if (r) { 379 DRM_ERROR("UVD not responding, giving up!!!\n"); 380 return r; 381 } 382 /* enable master interrupt */ 383 WREG32_P(mmUVD_MASTINT_EN, 3 << 1, ~(3 << 1)); 384 385 /* clear the bit 4 of UVD_STATUS */ 386 WREG32_P(mmUVD_STATUS, 0, ~(2 << 1)); 387 388 rb_bufsz = order_base_2(ring->ring_size); 389 tmp = 0; 390 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz); 391 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1); 392 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1); 393 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_WPTR_POLL_EN, 0); 394 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1); 395 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1); 396 /* force RBC into idle state */ 397 WREG32(mmUVD_RBC_RB_CNTL, tmp); 398 399 /* set the write pointer delay */ 400 WREG32(mmUVD_RBC_RB_WPTR_CNTL, 0); 401 402 /* set the wb address */ 403 WREG32(mmUVD_RBC_RB_RPTR_ADDR, (upper_32_bits(ring->gpu_addr) >> 2)); 404 405 /* programm the RB_BASE for ring buffer */ 406 WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_LOW, 407 lower_32_bits(ring->gpu_addr)); 408 WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH, 409 upper_32_bits(ring->gpu_addr)); 410 411 /* Initialize the ring buffer's read and write pointers */ 412 WREG32(mmUVD_RBC_RB_RPTR, 0); 413 414 ring->wptr = RREG32(mmUVD_RBC_RB_RPTR); 415 WREG32(mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr)); 416 417 WREG32_P(mmUVD_RBC_RB_CNTL, 0, ~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK); 418 419 return 0; 420 } 421 422 /** 423 * uvd_v5_0_stop - stop UVD block 424 * 425 * @adev: amdgpu_device pointer 426 * 427 * stop the UVD block 428 */ 429 static void uvd_v5_0_stop(struct amdgpu_device *adev) 430 { 431 /* force RBC into idle state */ 432 WREG32(mmUVD_RBC_RB_CNTL, 0x11010101); 433 434 /* Stall UMC and register bus before resetting VCPU */ 435 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); 436 mdelay(1); 437 438 /* put VCPU into reset */ 439 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 440 mdelay(5); 441 442 /* disable VCPU clock */ 443 WREG32(mmUVD_VCPU_CNTL, 0x0); 444 445 /* Unstall UMC and register bus */ 446 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); 447 448 WREG32(mmUVD_STATUS, 0); 449 } 450 451 /** 452 * uvd_v5_0_ring_emit_fence - emit an fence & trap command 453 * 454 * @ring: amdgpu_ring pointer 455 * @fence: fence to emit 456 * 457 * Write a fence and a trap command to the ring. 458 */ 459 static void uvd_v5_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 460 unsigned flags) 461 { 462 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 463 464 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0)); 465 amdgpu_ring_write(ring, seq); 466 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0)); 467 amdgpu_ring_write(ring, addr & 0xffffffff); 468 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0)); 469 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff); 470 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0)); 471 amdgpu_ring_write(ring, 0); 472 473 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0)); 474 amdgpu_ring_write(ring, 0); 475 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0)); 476 amdgpu_ring_write(ring, 0); 477 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0)); 478 amdgpu_ring_write(ring, 2); 479 } 480 481 /** 482 * uvd_v5_0_ring_emit_hdp_flush - emit an hdp flush 483 * 484 * @ring: amdgpu_ring pointer 485 * 486 * Emits an hdp flush. 487 */ 488 static void uvd_v5_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) 489 { 490 amdgpu_ring_write(ring, PACKET0(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0)); 491 amdgpu_ring_write(ring, 0); 492 } 493 494 /** 495 * uvd_v5_0_ring_hdp_invalidate - emit an hdp invalidate 496 * 497 * @ring: amdgpu_ring pointer 498 * 499 * Emits an hdp invalidate. 500 */ 501 static void uvd_v5_0_ring_emit_hdp_invalidate(struct amdgpu_ring *ring) 502 { 503 amdgpu_ring_write(ring, PACKET0(mmHDP_DEBUG0, 0)); 504 amdgpu_ring_write(ring, 1); 505 } 506 507 /** 508 * uvd_v5_0_ring_test_ring - register write test 509 * 510 * @ring: amdgpu_ring pointer 511 * 512 * Test if we can successfully write to the context register 513 */ 514 static int uvd_v5_0_ring_test_ring(struct amdgpu_ring *ring) 515 { 516 struct amdgpu_device *adev = ring->adev; 517 uint32_t tmp = 0; 518 unsigned i; 519 int r; 520 521 WREG32(mmUVD_CONTEXT_ID, 0xCAFEDEAD); 522 r = amdgpu_ring_alloc(ring, 3); 523 if (r) { 524 DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n", 525 ring->idx, r); 526 return r; 527 } 528 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0)); 529 amdgpu_ring_write(ring, 0xDEADBEEF); 530 amdgpu_ring_commit(ring); 531 for (i = 0; i < adev->usec_timeout; i++) { 532 tmp = RREG32(mmUVD_CONTEXT_ID); 533 if (tmp == 0xDEADBEEF) 534 break; 535 DRM_UDELAY(1); 536 } 537 538 if (i < adev->usec_timeout) { 539 DRM_DEBUG("ring test on %d succeeded in %d usecs\n", 540 ring->idx, i); 541 } else { 542 DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n", 543 ring->idx, tmp); 544 r = -EINVAL; 545 } 546 return r; 547 } 548 549 /** 550 * uvd_v5_0_ring_emit_ib - execute indirect buffer 551 * 552 * @ring: amdgpu_ring pointer 553 * @ib: indirect buffer to execute 554 * 555 * Write ring commands to execute the indirect buffer 556 */ 557 static void uvd_v5_0_ring_emit_ib(struct amdgpu_ring *ring, 558 struct amdgpu_ib *ib, 559 unsigned vm_id, bool ctx_switch) 560 { 561 amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_LOW, 0)); 562 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 563 amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH, 0)); 564 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 565 amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_SIZE, 0)); 566 amdgpu_ring_write(ring, ib->length_dw); 567 } 568 569 static bool uvd_v5_0_is_idle(void *handle) 570 { 571 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 572 573 return !(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK); 574 } 575 576 static int uvd_v5_0_wait_for_idle(void *handle) 577 { 578 unsigned i; 579 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 580 581 for (i = 0; i < adev->usec_timeout; i++) { 582 if (!(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK)) 583 return 0; 584 } 585 return -ETIMEDOUT; 586 } 587 588 static int uvd_v5_0_soft_reset(void *handle) 589 { 590 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 591 592 uvd_v5_0_stop(adev); 593 594 WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK, 595 ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); 596 mdelay(5); 597 598 return uvd_v5_0_start(adev); 599 } 600 601 static int uvd_v5_0_set_interrupt_state(struct amdgpu_device *adev, 602 struct amdgpu_irq_src *source, 603 unsigned type, 604 enum amdgpu_interrupt_state state) 605 { 606 // TODO 607 return 0; 608 } 609 610 static int uvd_v5_0_process_interrupt(struct amdgpu_device *adev, 611 struct amdgpu_irq_src *source, 612 struct amdgpu_iv_entry *entry) 613 { 614 DRM_DEBUG("IH: UVD TRAP\n"); 615 amdgpu_fence_process(&adev->uvd.ring); 616 return 0; 617 } 618 619 static void uvd_v5_0_enable_clock_gating(struct amdgpu_device *adev, bool enable) 620 { 621 uint32_t data1, data3, suvd_flags; 622 623 data1 = RREG32(mmUVD_SUVD_CGC_GATE); 624 data3 = RREG32(mmUVD_CGC_GATE); 625 626 suvd_flags = UVD_SUVD_CGC_GATE__SRE_MASK | 627 UVD_SUVD_CGC_GATE__SIT_MASK | 628 UVD_SUVD_CGC_GATE__SMP_MASK | 629 UVD_SUVD_CGC_GATE__SCM_MASK | 630 UVD_SUVD_CGC_GATE__SDB_MASK; 631 632 if (enable) { 633 data3 |= (UVD_CGC_GATE__SYS_MASK | 634 UVD_CGC_GATE__UDEC_MASK | 635 UVD_CGC_GATE__MPEG2_MASK | 636 UVD_CGC_GATE__RBC_MASK | 637 UVD_CGC_GATE__LMI_MC_MASK | 638 UVD_CGC_GATE__IDCT_MASK | 639 UVD_CGC_GATE__MPRD_MASK | 640 UVD_CGC_GATE__MPC_MASK | 641 UVD_CGC_GATE__LBSI_MASK | 642 UVD_CGC_GATE__LRBBM_MASK | 643 UVD_CGC_GATE__UDEC_RE_MASK | 644 UVD_CGC_GATE__UDEC_CM_MASK | 645 UVD_CGC_GATE__UDEC_IT_MASK | 646 UVD_CGC_GATE__UDEC_DB_MASK | 647 UVD_CGC_GATE__UDEC_MP_MASK | 648 UVD_CGC_GATE__WCB_MASK | 649 UVD_CGC_GATE__JPEG_MASK | 650 UVD_CGC_GATE__SCPU_MASK); 651 /* only in pg enabled, we can gate clock to vcpu*/ 652 if (adev->pg_flags & AMD_PG_SUPPORT_UVD) 653 data3 |= UVD_CGC_GATE__VCPU_MASK; 654 data3 &= ~UVD_CGC_GATE__REGS_MASK; 655 data1 |= suvd_flags; 656 } else { 657 data3 = 0; 658 data1 = 0; 659 } 660 661 WREG32(mmUVD_SUVD_CGC_GATE, data1); 662 WREG32(mmUVD_CGC_GATE, data3); 663 } 664 665 static void uvd_v5_0_set_sw_clock_gating(struct amdgpu_device *adev) 666 { 667 uint32_t data, data2; 668 669 data = RREG32(mmUVD_CGC_CTRL); 670 data2 = RREG32(mmUVD_SUVD_CGC_CTRL); 671 672 673 data &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK | 674 UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK); 675 676 677 data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK | 678 (1 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_GATE_DLY_TIMER)) | 679 (4 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_OFF_DELAY)); 680 681 data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK | 682 UVD_CGC_CTRL__UDEC_CM_MODE_MASK | 683 UVD_CGC_CTRL__UDEC_IT_MODE_MASK | 684 UVD_CGC_CTRL__UDEC_DB_MODE_MASK | 685 UVD_CGC_CTRL__UDEC_MP_MODE_MASK | 686 UVD_CGC_CTRL__SYS_MODE_MASK | 687 UVD_CGC_CTRL__UDEC_MODE_MASK | 688 UVD_CGC_CTRL__MPEG2_MODE_MASK | 689 UVD_CGC_CTRL__REGS_MODE_MASK | 690 UVD_CGC_CTRL__RBC_MODE_MASK | 691 UVD_CGC_CTRL__LMI_MC_MODE_MASK | 692 UVD_CGC_CTRL__LMI_UMC_MODE_MASK | 693 UVD_CGC_CTRL__IDCT_MODE_MASK | 694 UVD_CGC_CTRL__MPRD_MODE_MASK | 695 UVD_CGC_CTRL__MPC_MODE_MASK | 696 UVD_CGC_CTRL__LBSI_MODE_MASK | 697 UVD_CGC_CTRL__LRBBM_MODE_MASK | 698 UVD_CGC_CTRL__WCB_MODE_MASK | 699 UVD_CGC_CTRL__VCPU_MODE_MASK | 700 UVD_CGC_CTRL__JPEG_MODE_MASK | 701 UVD_CGC_CTRL__SCPU_MODE_MASK); 702 data2 &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK | 703 UVD_SUVD_CGC_CTRL__SIT_MODE_MASK | 704 UVD_SUVD_CGC_CTRL__SMP_MODE_MASK | 705 UVD_SUVD_CGC_CTRL__SCM_MODE_MASK | 706 UVD_SUVD_CGC_CTRL__SDB_MODE_MASK); 707 708 WREG32(mmUVD_CGC_CTRL, data); 709 WREG32(mmUVD_SUVD_CGC_CTRL, data2); 710 } 711 712 #if 0 713 static void uvd_v5_0_set_hw_clock_gating(struct amdgpu_device *adev) 714 { 715 uint32_t data, data1, cgc_flags, suvd_flags; 716 717 data = RREG32(mmUVD_CGC_GATE); 718 data1 = RREG32(mmUVD_SUVD_CGC_GATE); 719 720 cgc_flags = UVD_CGC_GATE__SYS_MASK | 721 UVD_CGC_GATE__UDEC_MASK | 722 UVD_CGC_GATE__MPEG2_MASK | 723 UVD_CGC_GATE__RBC_MASK | 724 UVD_CGC_GATE__LMI_MC_MASK | 725 UVD_CGC_GATE__IDCT_MASK | 726 UVD_CGC_GATE__MPRD_MASK | 727 UVD_CGC_GATE__MPC_MASK | 728 UVD_CGC_GATE__LBSI_MASK | 729 UVD_CGC_GATE__LRBBM_MASK | 730 UVD_CGC_GATE__UDEC_RE_MASK | 731 UVD_CGC_GATE__UDEC_CM_MASK | 732 UVD_CGC_GATE__UDEC_IT_MASK | 733 UVD_CGC_GATE__UDEC_DB_MASK | 734 UVD_CGC_GATE__UDEC_MP_MASK | 735 UVD_CGC_GATE__WCB_MASK | 736 UVD_CGC_GATE__VCPU_MASK | 737 UVD_CGC_GATE__SCPU_MASK; 738 739 suvd_flags = UVD_SUVD_CGC_GATE__SRE_MASK | 740 UVD_SUVD_CGC_GATE__SIT_MASK | 741 UVD_SUVD_CGC_GATE__SMP_MASK | 742 UVD_SUVD_CGC_GATE__SCM_MASK | 743 UVD_SUVD_CGC_GATE__SDB_MASK; 744 745 data |= cgc_flags; 746 data1 |= suvd_flags; 747 748 WREG32(mmUVD_CGC_GATE, data); 749 WREG32(mmUVD_SUVD_CGC_GATE, data1); 750 } 751 #endif 752 753 static void uvd_v5_0_enable_mgcg(struct amdgpu_device *adev, 754 bool enable) 755 { 756 u32 orig, data; 757 758 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) { 759 data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL); 760 data |= 0xfff; 761 WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data); 762 763 orig = data = RREG32(mmUVD_CGC_CTRL); 764 data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK; 765 if (orig != data) 766 WREG32(mmUVD_CGC_CTRL, data); 767 } else { 768 data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL); 769 data &= ~0xfff; 770 WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data); 771 772 orig = data = RREG32(mmUVD_CGC_CTRL); 773 data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK; 774 if (orig != data) 775 WREG32(mmUVD_CGC_CTRL, data); 776 } 777 } 778 779 static int uvd_v5_0_set_clockgating_state(void *handle, 780 enum amd_clockgating_state state) 781 { 782 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 783 bool enable = (state == AMD_CG_STATE_GATE) ? true : false; 784 785 if (enable) { 786 /* wait for STATUS to clear */ 787 if (uvd_v5_0_wait_for_idle(handle)) 788 return -EBUSY; 789 uvd_v5_0_enable_clock_gating(adev, true); 790 791 /* enable HW gates because UVD is idle */ 792 /* uvd_v5_0_set_hw_clock_gating(adev); */ 793 } else { 794 uvd_v5_0_enable_clock_gating(adev, false); 795 } 796 797 uvd_v5_0_set_sw_clock_gating(adev); 798 return 0; 799 } 800 801 static int uvd_v5_0_set_powergating_state(void *handle, 802 enum amd_powergating_state state) 803 { 804 /* This doesn't actually powergate the UVD block. 805 * That's done in the dpm code via the SMC. This 806 * just re-inits the block as necessary. The actual 807 * gating still happens in the dpm code. We should 808 * revisit this when there is a cleaner line between 809 * the smc and the hw blocks 810 */ 811 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 812 int ret = 0; 813 814 if (state == AMD_PG_STATE_GATE) { 815 uvd_v5_0_stop(adev); 816 } else { 817 ret = uvd_v5_0_start(adev); 818 if (ret) 819 goto out; 820 } 821 822 out: 823 return ret; 824 } 825 826 static void uvd_v5_0_get_clockgating_state(void *handle, u32 *flags) 827 { 828 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 829 int data; 830 831 mutex_lock(&adev->pm.mutex); 832 833 if (RREG32_SMC(ixCURRENT_PG_STATUS) & 834 CURRENT_PG_STATUS__UVD_PG_STATUS_MASK) { 835 DRM_INFO("Cannot get clockgating state when UVD is powergated.\n"); 836 goto out; 837 } 838 839 /* AMD_CG_SUPPORT_UVD_MGCG */ 840 data = RREG32(mmUVD_CGC_CTRL); 841 if (data & UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK) 842 *flags |= AMD_CG_SUPPORT_UVD_MGCG; 843 844 out: 845 mutex_unlock(&adev->pm.mutex); 846 } 847 848 static const struct amd_ip_funcs uvd_v5_0_ip_funcs = { 849 .name = "uvd_v5_0", 850 .early_init = uvd_v5_0_early_init, 851 .late_init = NULL, 852 .sw_init = uvd_v5_0_sw_init, 853 .sw_fini = uvd_v5_0_sw_fini, 854 .hw_init = uvd_v5_0_hw_init, 855 .hw_fini = uvd_v5_0_hw_fini, 856 .suspend = uvd_v5_0_suspend, 857 .resume = uvd_v5_0_resume, 858 .is_idle = uvd_v5_0_is_idle, 859 .wait_for_idle = uvd_v5_0_wait_for_idle, 860 .soft_reset = uvd_v5_0_soft_reset, 861 .set_clockgating_state = uvd_v5_0_set_clockgating_state, 862 .set_powergating_state = uvd_v5_0_set_powergating_state, 863 .get_clockgating_state = uvd_v5_0_get_clockgating_state, 864 }; 865 866 static const struct amdgpu_ring_funcs uvd_v5_0_ring_funcs = { 867 .type = AMDGPU_RING_TYPE_UVD, 868 .align_mask = 0xf, 869 .nop = PACKET0(mmUVD_NO_OP, 0), 870 .support_64bit_ptrs = false, 871 .get_rptr = uvd_v5_0_ring_get_rptr, 872 .get_wptr = uvd_v5_0_ring_get_wptr, 873 .set_wptr = uvd_v5_0_ring_set_wptr, 874 .parse_cs = amdgpu_uvd_ring_parse_cs, 875 .emit_frame_size = 876 2 + /* uvd_v5_0_ring_emit_hdp_flush */ 877 2 + /* uvd_v5_0_ring_emit_hdp_invalidate */ 878 14, /* uvd_v5_0_ring_emit_fence x1 no user fence */ 879 .emit_ib_size = 6, /* uvd_v5_0_ring_emit_ib */ 880 .emit_ib = uvd_v5_0_ring_emit_ib, 881 .emit_fence = uvd_v5_0_ring_emit_fence, 882 .emit_hdp_flush = uvd_v5_0_ring_emit_hdp_flush, 883 .emit_hdp_invalidate = uvd_v5_0_ring_emit_hdp_invalidate, 884 .test_ring = uvd_v5_0_ring_test_ring, 885 .test_ib = amdgpu_uvd_ring_test_ib, 886 .insert_nop = amdgpu_ring_insert_nop, 887 .pad_ib = amdgpu_ring_generic_pad_ib, 888 .begin_use = amdgpu_uvd_ring_begin_use, 889 .end_use = amdgpu_uvd_ring_end_use, 890 }; 891 892 static void uvd_v5_0_set_ring_funcs(struct amdgpu_device *adev) 893 { 894 adev->uvd.ring.funcs = &uvd_v5_0_ring_funcs; 895 } 896 897 static const struct amdgpu_irq_src_funcs uvd_v5_0_irq_funcs = { 898 .set = uvd_v5_0_set_interrupt_state, 899 .process = uvd_v5_0_process_interrupt, 900 }; 901 902 static void uvd_v5_0_set_irq_funcs(struct amdgpu_device *adev) 903 { 904 adev->uvd.irq.num_types = 1; 905 adev->uvd.irq.funcs = &uvd_v5_0_irq_funcs; 906 } 907 908 const struct amdgpu_ip_block_version uvd_v5_0_ip_block = 909 { 910 .type = AMD_IP_BLOCK_TYPE_UVD, 911 .major = 5, 912 .minor = 0, 913 .rev = 0, 914 .funcs = &uvd_v5_0_ip_funcs, 915 }; 916