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 37 static void uvd_v5_0_set_ring_funcs(struct amdgpu_device *adev); 38 static void uvd_v5_0_set_irq_funcs(struct amdgpu_device *adev); 39 static int uvd_v5_0_start(struct amdgpu_device *adev); 40 static void uvd_v5_0_stop(struct amdgpu_device *adev); 41 42 /** 43 * uvd_v5_0_ring_get_rptr - get read pointer 44 * 45 * @ring: amdgpu_ring pointer 46 * 47 * Returns the current hardware read pointer 48 */ 49 static uint32_t uvd_v5_0_ring_get_rptr(struct amdgpu_ring *ring) 50 { 51 struct amdgpu_device *adev = ring->adev; 52 53 return RREG32(mmUVD_RBC_RB_RPTR); 54 } 55 56 /** 57 * uvd_v5_0_ring_get_wptr - get write pointer 58 * 59 * @ring: amdgpu_ring pointer 60 * 61 * Returns the current hardware write pointer 62 */ 63 static uint32_t uvd_v5_0_ring_get_wptr(struct amdgpu_ring *ring) 64 { 65 struct amdgpu_device *adev = ring->adev; 66 67 return RREG32(mmUVD_RBC_RB_WPTR); 68 } 69 70 /** 71 * uvd_v5_0_ring_set_wptr - set write pointer 72 * 73 * @ring: amdgpu_ring pointer 74 * 75 * Commits the write pointer to the hardware 76 */ 77 static void uvd_v5_0_ring_set_wptr(struct amdgpu_ring *ring) 78 { 79 struct amdgpu_device *adev = ring->adev; 80 81 WREG32(mmUVD_RBC_RB_WPTR, ring->wptr); 82 } 83 84 static int uvd_v5_0_early_init(void *handle) 85 { 86 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 87 88 uvd_v5_0_set_ring_funcs(adev); 89 uvd_v5_0_set_irq_funcs(adev); 90 91 return 0; 92 } 93 94 static int uvd_v5_0_sw_init(void *handle) 95 { 96 struct amdgpu_ring *ring; 97 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 98 int r; 99 100 /* UVD TRAP */ 101 r = amdgpu_irq_add_id(adev, 124, &adev->uvd.irq); 102 if (r) 103 return r; 104 105 r = amdgpu_uvd_sw_init(adev); 106 if (r) 107 return r; 108 109 r = amdgpu_uvd_resume(adev); 110 if (r) 111 return r; 112 113 ring = &adev->uvd.ring; 114 sprintf(ring->name, "uvd"); 115 r = amdgpu_ring_init(adev, ring, 512, PACKET0(mmUVD_NO_OP, 0), 0xf, 116 &adev->uvd.irq, 0, AMDGPU_RING_TYPE_UVD); 117 118 return r; 119 } 120 121 static int uvd_v5_0_sw_fini(void *handle) 122 { 123 int r; 124 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 125 126 r = amdgpu_uvd_suspend(adev); 127 if (r) 128 return r; 129 130 r = amdgpu_uvd_sw_fini(adev); 131 if (r) 132 return r; 133 134 return r; 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 /* raise clocks while booting up the VCPU */ 152 amdgpu_asic_set_uvd_clocks(adev, 53300, 40000); 153 154 r = uvd_v5_0_start(adev); 155 if (r) 156 goto done; 157 158 ring->ready = true; 159 r = amdgpu_ring_test_ring(ring); 160 if (r) { 161 ring->ready = false; 162 goto done; 163 } 164 165 r = amdgpu_ring_alloc(ring, 10); 166 if (r) { 167 DRM_ERROR("amdgpu: ring failed to lock UVD ring (%d).\n", r); 168 goto done; 169 } 170 171 tmp = PACKET0(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0); 172 amdgpu_ring_write(ring, tmp); 173 amdgpu_ring_write(ring, 0xFFFFF); 174 175 tmp = PACKET0(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0); 176 amdgpu_ring_write(ring, tmp); 177 amdgpu_ring_write(ring, 0xFFFFF); 178 179 tmp = PACKET0(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0); 180 amdgpu_ring_write(ring, tmp); 181 amdgpu_ring_write(ring, 0xFFFFF); 182 183 /* Clear timeout status bits */ 184 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_TIMEOUT_STATUS, 0)); 185 amdgpu_ring_write(ring, 0x8); 186 187 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_CNTL, 0)); 188 amdgpu_ring_write(ring, 3); 189 190 amdgpu_ring_commit(ring); 191 192 done: 193 /* lower clocks again */ 194 amdgpu_asic_set_uvd_clocks(adev, 0, 0); 195 196 if (!r) 197 DRM_INFO("UVD initialized successfully.\n"); 198 199 return r; 200 } 201 202 /** 203 * uvd_v5_0_hw_fini - stop the hardware block 204 * 205 * @adev: amdgpu_device pointer 206 * 207 * Stop the UVD block, mark ring as not ready any more 208 */ 209 static int uvd_v5_0_hw_fini(void *handle) 210 { 211 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 212 struct amdgpu_ring *ring = &adev->uvd.ring; 213 214 uvd_v5_0_stop(adev); 215 ring->ready = false; 216 217 return 0; 218 } 219 220 static int uvd_v5_0_suspend(void *handle) 221 { 222 int r; 223 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 224 225 r = uvd_v5_0_hw_fini(adev); 226 if (r) 227 return r; 228 229 r = amdgpu_uvd_suspend(adev); 230 if (r) 231 return r; 232 233 return r; 234 } 235 236 static int uvd_v5_0_resume(void *handle) 237 { 238 int r; 239 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 240 241 r = amdgpu_uvd_resume(adev); 242 if (r) 243 return r; 244 245 r = uvd_v5_0_hw_init(adev); 246 if (r) 247 return r; 248 249 return r; 250 } 251 252 /** 253 * uvd_v5_0_mc_resume - memory controller programming 254 * 255 * @adev: amdgpu_device pointer 256 * 257 * Let the UVD memory controller know it's offsets 258 */ 259 static void uvd_v5_0_mc_resume(struct amdgpu_device *adev) 260 { 261 uint64_t offset; 262 uint32_t size; 263 264 /* programm memory controller bits 0-27 */ 265 WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW, 266 lower_32_bits(adev->uvd.gpu_addr)); 267 WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH, 268 upper_32_bits(adev->uvd.gpu_addr)); 269 270 offset = AMDGPU_UVD_FIRMWARE_OFFSET; 271 size = AMDGPU_GPU_PAGE_ALIGN(adev->uvd.fw->size + 4); 272 WREG32(mmUVD_VCPU_CACHE_OFFSET0, offset >> 3); 273 WREG32(mmUVD_VCPU_CACHE_SIZE0, size); 274 275 offset += size; 276 size = AMDGPU_UVD_HEAP_SIZE; 277 WREG32(mmUVD_VCPU_CACHE_OFFSET1, offset >> 3); 278 WREG32(mmUVD_VCPU_CACHE_SIZE1, size); 279 280 offset += size; 281 size = AMDGPU_UVD_STACK_SIZE + 282 (AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles); 283 WREG32(mmUVD_VCPU_CACHE_OFFSET2, offset >> 3); 284 WREG32(mmUVD_VCPU_CACHE_SIZE2, size); 285 286 WREG32(mmUVD_UDEC_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 287 WREG32(mmUVD_UDEC_DB_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 288 WREG32(mmUVD_UDEC_DBW_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 289 } 290 291 /** 292 * uvd_v5_0_start - start UVD block 293 * 294 * @adev: amdgpu_device pointer 295 * 296 * Setup and start the UVD block 297 */ 298 static int uvd_v5_0_start(struct amdgpu_device *adev) 299 { 300 struct amdgpu_ring *ring = &adev->uvd.ring; 301 uint32_t rb_bufsz, tmp; 302 uint32_t lmi_swap_cntl; 303 uint32_t mp_swap_cntl; 304 int i, j, r; 305 306 /*disable DPG */ 307 WREG32_P(mmUVD_POWER_STATUS, 0, ~(1 << 2)); 308 309 /* disable byte swapping */ 310 lmi_swap_cntl = 0; 311 mp_swap_cntl = 0; 312 313 uvd_v5_0_mc_resume(adev); 314 315 /* disable clock gating */ 316 WREG32(mmUVD_CGC_GATE, 0); 317 318 /* disable interupt */ 319 WREG32_P(mmUVD_MASTINT_EN, 0, ~(1 << 1)); 320 321 /* stall UMC and register bus before resetting VCPU */ 322 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); 323 mdelay(1); 324 325 /* put LMI, VCPU, RBC etc... into reset */ 326 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__LMI_SOFT_RESET_MASK | 327 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK | 328 UVD_SOFT_RESET__RBC_SOFT_RESET_MASK | UVD_SOFT_RESET__CSM_SOFT_RESET_MASK | 329 UVD_SOFT_RESET__CXW_SOFT_RESET_MASK | UVD_SOFT_RESET__TAP_SOFT_RESET_MASK | 330 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK); 331 mdelay(5); 332 333 /* take UVD block out of reset */ 334 WREG32_P(mmSRBM_SOFT_RESET, 0, ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); 335 mdelay(5); 336 337 /* initialize UVD memory controller */ 338 WREG32(mmUVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) | 339 (1 << 21) | (1 << 9) | (1 << 20)); 340 341 #ifdef __BIG_ENDIAN 342 /* swap (8 in 32) RB and IB */ 343 lmi_swap_cntl = 0xa; 344 mp_swap_cntl = 0; 345 #endif 346 WREG32(mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl); 347 WREG32(mmUVD_MP_SWAP_CNTL, mp_swap_cntl); 348 349 WREG32(mmUVD_MPC_SET_MUXA0, 0x40c2040); 350 WREG32(mmUVD_MPC_SET_MUXA1, 0x0); 351 WREG32(mmUVD_MPC_SET_MUXB0, 0x40c2040); 352 WREG32(mmUVD_MPC_SET_MUXB1, 0x0); 353 WREG32(mmUVD_MPC_SET_ALU, 0); 354 WREG32(mmUVD_MPC_SET_MUX, 0x88); 355 356 /* take all subblocks out of reset, except VCPU */ 357 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 358 mdelay(5); 359 360 /* enable VCPU clock */ 361 WREG32(mmUVD_VCPU_CNTL, 1 << 9); 362 363 /* enable UMC */ 364 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); 365 366 /* boot up the VCPU */ 367 WREG32(mmUVD_SOFT_RESET, 0); 368 mdelay(10); 369 370 for (i = 0; i < 10; ++i) { 371 uint32_t status; 372 for (j = 0; j < 100; ++j) { 373 status = RREG32(mmUVD_STATUS); 374 if (status & 2) 375 break; 376 mdelay(10); 377 } 378 r = 0; 379 if (status & 2) 380 break; 381 382 DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n"); 383 WREG32_P(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK, 384 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 385 mdelay(10); 386 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 387 mdelay(10); 388 r = -1; 389 } 390 391 if (r) { 392 DRM_ERROR("UVD not responding, giving up!!!\n"); 393 return r; 394 } 395 /* enable master interrupt */ 396 WREG32_P(mmUVD_MASTINT_EN, 3 << 1, ~(3 << 1)); 397 398 /* clear the bit 4 of UVD_STATUS */ 399 WREG32_P(mmUVD_STATUS, 0, ~(2 << 1)); 400 401 rb_bufsz = order_base_2(ring->ring_size); 402 tmp = 0; 403 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz); 404 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1); 405 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1); 406 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_WPTR_POLL_EN, 0); 407 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1); 408 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1); 409 /* force RBC into idle state */ 410 WREG32(mmUVD_RBC_RB_CNTL, tmp); 411 412 /* set the write pointer delay */ 413 WREG32(mmUVD_RBC_RB_WPTR_CNTL, 0); 414 415 /* set the wb address */ 416 WREG32(mmUVD_RBC_RB_RPTR_ADDR, (upper_32_bits(ring->gpu_addr) >> 2)); 417 418 /* programm the RB_BASE for ring buffer */ 419 WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_LOW, 420 lower_32_bits(ring->gpu_addr)); 421 WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH, 422 upper_32_bits(ring->gpu_addr)); 423 424 /* Initialize the ring buffer's read and write pointers */ 425 WREG32(mmUVD_RBC_RB_RPTR, 0); 426 427 ring->wptr = RREG32(mmUVD_RBC_RB_RPTR); 428 WREG32(mmUVD_RBC_RB_WPTR, ring->wptr); 429 430 WREG32_P(mmUVD_RBC_RB_CNTL, 0, ~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK); 431 432 return 0; 433 } 434 435 /** 436 * uvd_v5_0_stop - stop UVD block 437 * 438 * @adev: amdgpu_device pointer 439 * 440 * stop the UVD block 441 */ 442 static void uvd_v5_0_stop(struct amdgpu_device *adev) 443 { 444 /* force RBC into idle state */ 445 WREG32(mmUVD_RBC_RB_CNTL, 0x11010101); 446 447 /* Stall UMC and register bus before resetting VCPU */ 448 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); 449 mdelay(1); 450 451 /* put VCPU into reset */ 452 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 453 mdelay(5); 454 455 /* disable VCPU clock */ 456 WREG32(mmUVD_VCPU_CNTL, 0x0); 457 458 /* Unstall UMC and register bus */ 459 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); 460 } 461 462 /** 463 * uvd_v5_0_ring_emit_fence - emit an fence & trap command 464 * 465 * @ring: amdgpu_ring pointer 466 * @fence: fence to emit 467 * 468 * Write a fence and a trap command to the ring. 469 */ 470 static void uvd_v5_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 471 unsigned flags) 472 { 473 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 474 475 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0)); 476 amdgpu_ring_write(ring, seq); 477 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0)); 478 amdgpu_ring_write(ring, addr & 0xffffffff); 479 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0)); 480 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff); 481 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0)); 482 amdgpu_ring_write(ring, 0); 483 484 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0)); 485 amdgpu_ring_write(ring, 0); 486 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0)); 487 amdgpu_ring_write(ring, 0); 488 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0)); 489 amdgpu_ring_write(ring, 2); 490 } 491 492 /** 493 * uvd_v5_0_ring_emit_hdp_flush - emit an hdp flush 494 * 495 * @ring: amdgpu_ring pointer 496 * 497 * Emits an hdp flush. 498 */ 499 static void uvd_v5_0_ring_emit_hdp_flush(struct amdgpu_ring *ring) 500 { 501 amdgpu_ring_write(ring, PACKET0(mmHDP_MEM_COHERENCY_FLUSH_CNTL, 0)); 502 amdgpu_ring_write(ring, 0); 503 } 504 505 /** 506 * uvd_v5_0_ring_hdp_invalidate - emit an hdp invalidate 507 * 508 * @ring: amdgpu_ring pointer 509 * 510 * Emits an hdp invalidate. 511 */ 512 static void uvd_v5_0_ring_emit_hdp_invalidate(struct amdgpu_ring *ring) 513 { 514 amdgpu_ring_write(ring, PACKET0(mmHDP_DEBUG0, 0)); 515 amdgpu_ring_write(ring, 1); 516 } 517 518 /** 519 * uvd_v5_0_ring_test_ring - register write test 520 * 521 * @ring: amdgpu_ring pointer 522 * 523 * Test if we can successfully write to the context register 524 */ 525 static int uvd_v5_0_ring_test_ring(struct amdgpu_ring *ring) 526 { 527 struct amdgpu_device *adev = ring->adev; 528 uint32_t tmp = 0; 529 unsigned i; 530 int r; 531 532 WREG32(mmUVD_CONTEXT_ID, 0xCAFEDEAD); 533 r = amdgpu_ring_alloc(ring, 3); 534 if (r) { 535 DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n", 536 ring->idx, r); 537 return r; 538 } 539 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0)); 540 amdgpu_ring_write(ring, 0xDEADBEEF); 541 amdgpu_ring_commit(ring); 542 for (i = 0; i < adev->usec_timeout; i++) { 543 tmp = RREG32(mmUVD_CONTEXT_ID); 544 if (tmp == 0xDEADBEEF) 545 break; 546 DRM_UDELAY(1); 547 } 548 549 if (i < adev->usec_timeout) { 550 DRM_INFO("ring test on %d succeeded in %d usecs\n", 551 ring->idx, i); 552 } else { 553 DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n", 554 ring->idx, tmp); 555 r = -EINVAL; 556 } 557 return r; 558 } 559 560 /** 561 * uvd_v5_0_ring_emit_ib - execute indirect buffer 562 * 563 * @ring: amdgpu_ring pointer 564 * @ib: indirect buffer to execute 565 * 566 * Write ring commands to execute the indirect buffer 567 */ 568 static void uvd_v5_0_ring_emit_ib(struct amdgpu_ring *ring, 569 struct amdgpu_ib *ib, 570 unsigned vm_id, bool ctx_switch) 571 { 572 amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_LOW, 0)); 573 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 574 amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH, 0)); 575 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 576 amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_SIZE, 0)); 577 amdgpu_ring_write(ring, ib->length_dw); 578 } 579 580 static bool uvd_v5_0_is_idle(void *handle) 581 { 582 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 583 584 return !(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK); 585 } 586 587 static int uvd_v5_0_wait_for_idle(void *handle) 588 { 589 unsigned i; 590 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 591 592 for (i = 0; i < adev->usec_timeout; i++) { 593 if (!(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK)) 594 return 0; 595 } 596 return -ETIMEDOUT; 597 } 598 599 static int uvd_v5_0_soft_reset(void *handle) 600 { 601 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 602 603 uvd_v5_0_stop(adev); 604 605 WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK, 606 ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); 607 mdelay(5); 608 609 return uvd_v5_0_start(adev); 610 } 611 612 static int uvd_v5_0_set_interrupt_state(struct amdgpu_device *adev, 613 struct amdgpu_irq_src *source, 614 unsigned type, 615 enum amdgpu_interrupt_state state) 616 { 617 // TODO 618 return 0; 619 } 620 621 static int uvd_v5_0_process_interrupt(struct amdgpu_device *adev, 622 struct amdgpu_irq_src *source, 623 struct amdgpu_iv_entry *entry) 624 { 625 DRM_DEBUG("IH: UVD TRAP\n"); 626 amdgpu_fence_process(&adev->uvd.ring); 627 return 0; 628 } 629 630 static void uvd_v5_0_set_sw_clock_gating(struct amdgpu_device *adev) 631 { 632 uint32_t data, data1, data2, suvd_flags; 633 634 data = RREG32(mmUVD_CGC_CTRL); 635 data1 = RREG32(mmUVD_SUVD_CGC_GATE); 636 data2 = RREG32(mmUVD_SUVD_CGC_CTRL); 637 638 data &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK | 639 UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK); 640 641 suvd_flags = UVD_SUVD_CGC_GATE__SRE_MASK | 642 UVD_SUVD_CGC_GATE__SIT_MASK | 643 UVD_SUVD_CGC_GATE__SMP_MASK | 644 UVD_SUVD_CGC_GATE__SCM_MASK | 645 UVD_SUVD_CGC_GATE__SDB_MASK; 646 647 data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK | 648 (1 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_GATE_DLY_TIMER)) | 649 (4 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_OFF_DELAY)); 650 651 data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK | 652 UVD_CGC_CTRL__UDEC_CM_MODE_MASK | 653 UVD_CGC_CTRL__UDEC_IT_MODE_MASK | 654 UVD_CGC_CTRL__UDEC_DB_MODE_MASK | 655 UVD_CGC_CTRL__UDEC_MP_MODE_MASK | 656 UVD_CGC_CTRL__SYS_MODE_MASK | 657 UVD_CGC_CTRL__UDEC_MODE_MASK | 658 UVD_CGC_CTRL__MPEG2_MODE_MASK | 659 UVD_CGC_CTRL__REGS_MODE_MASK | 660 UVD_CGC_CTRL__RBC_MODE_MASK | 661 UVD_CGC_CTRL__LMI_MC_MODE_MASK | 662 UVD_CGC_CTRL__LMI_UMC_MODE_MASK | 663 UVD_CGC_CTRL__IDCT_MODE_MASK | 664 UVD_CGC_CTRL__MPRD_MODE_MASK | 665 UVD_CGC_CTRL__MPC_MODE_MASK | 666 UVD_CGC_CTRL__LBSI_MODE_MASK | 667 UVD_CGC_CTRL__LRBBM_MODE_MASK | 668 UVD_CGC_CTRL__WCB_MODE_MASK | 669 UVD_CGC_CTRL__VCPU_MODE_MASK | 670 UVD_CGC_CTRL__JPEG_MODE_MASK | 671 UVD_CGC_CTRL__SCPU_MODE_MASK); 672 data2 &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK | 673 UVD_SUVD_CGC_CTRL__SIT_MODE_MASK | 674 UVD_SUVD_CGC_CTRL__SMP_MODE_MASK | 675 UVD_SUVD_CGC_CTRL__SCM_MODE_MASK | 676 UVD_SUVD_CGC_CTRL__SDB_MODE_MASK); 677 data1 |= suvd_flags; 678 679 WREG32(mmUVD_CGC_CTRL, data); 680 WREG32(mmUVD_CGC_GATE, 0); 681 WREG32(mmUVD_SUVD_CGC_GATE, data1); 682 WREG32(mmUVD_SUVD_CGC_CTRL, data2); 683 } 684 685 #if 0 686 static void uvd_v5_0_set_hw_clock_gating(struct amdgpu_device *adev) 687 { 688 uint32_t data, data1, cgc_flags, suvd_flags; 689 690 data = RREG32(mmUVD_CGC_GATE); 691 data1 = RREG32(mmUVD_SUVD_CGC_GATE); 692 693 cgc_flags = UVD_CGC_GATE__SYS_MASK | 694 UVD_CGC_GATE__UDEC_MASK | 695 UVD_CGC_GATE__MPEG2_MASK | 696 UVD_CGC_GATE__RBC_MASK | 697 UVD_CGC_GATE__LMI_MC_MASK | 698 UVD_CGC_GATE__IDCT_MASK | 699 UVD_CGC_GATE__MPRD_MASK | 700 UVD_CGC_GATE__MPC_MASK | 701 UVD_CGC_GATE__LBSI_MASK | 702 UVD_CGC_GATE__LRBBM_MASK | 703 UVD_CGC_GATE__UDEC_RE_MASK | 704 UVD_CGC_GATE__UDEC_CM_MASK | 705 UVD_CGC_GATE__UDEC_IT_MASK | 706 UVD_CGC_GATE__UDEC_DB_MASK | 707 UVD_CGC_GATE__UDEC_MP_MASK | 708 UVD_CGC_GATE__WCB_MASK | 709 UVD_CGC_GATE__VCPU_MASK | 710 UVD_CGC_GATE__SCPU_MASK; 711 712 suvd_flags = UVD_SUVD_CGC_GATE__SRE_MASK | 713 UVD_SUVD_CGC_GATE__SIT_MASK | 714 UVD_SUVD_CGC_GATE__SMP_MASK | 715 UVD_SUVD_CGC_GATE__SCM_MASK | 716 UVD_SUVD_CGC_GATE__SDB_MASK; 717 718 data |= cgc_flags; 719 data1 |= suvd_flags; 720 721 WREG32(mmUVD_CGC_GATE, data); 722 WREG32(mmUVD_SUVD_CGC_GATE, data1); 723 } 724 #endif 725 726 static int uvd_v5_0_set_clockgating_state(void *handle, 727 enum amd_clockgating_state state) 728 { 729 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 730 bool enable = (state == AMD_CG_STATE_GATE) ? true : false; 731 static int curstate = -1; 732 733 if (!(adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) 734 return 0; 735 736 if (curstate == state) 737 return 0; 738 739 curstate = state; 740 if (enable) { 741 /* disable HW gating and enable Sw gating */ 742 uvd_v5_0_set_sw_clock_gating(adev); 743 } else { 744 /* wait for STATUS to clear */ 745 if (uvd_v5_0_wait_for_idle(handle)) 746 return -EBUSY; 747 748 /* enable HW gates because UVD is idle */ 749 /* uvd_v5_0_set_hw_clock_gating(adev); */ 750 } 751 752 return 0; 753 } 754 755 static int uvd_v5_0_set_powergating_state(void *handle, 756 enum amd_powergating_state state) 757 { 758 /* This doesn't actually powergate the UVD block. 759 * That's done in the dpm code via the SMC. This 760 * just re-inits the block as necessary. The actual 761 * gating still happens in the dpm code. We should 762 * revisit this when there is a cleaner line between 763 * the smc and the hw blocks 764 */ 765 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 766 767 if (!(adev->pg_flags & AMD_PG_SUPPORT_UVD)) 768 return 0; 769 770 if (state == AMD_PG_STATE_GATE) { 771 uvd_v5_0_stop(adev); 772 return 0; 773 } else { 774 return uvd_v5_0_start(adev); 775 } 776 } 777 778 const struct amd_ip_funcs uvd_v5_0_ip_funcs = { 779 .name = "uvd_v5_0", 780 .early_init = uvd_v5_0_early_init, 781 .late_init = NULL, 782 .sw_init = uvd_v5_0_sw_init, 783 .sw_fini = uvd_v5_0_sw_fini, 784 .hw_init = uvd_v5_0_hw_init, 785 .hw_fini = uvd_v5_0_hw_fini, 786 .suspend = uvd_v5_0_suspend, 787 .resume = uvd_v5_0_resume, 788 .is_idle = uvd_v5_0_is_idle, 789 .wait_for_idle = uvd_v5_0_wait_for_idle, 790 .soft_reset = uvd_v5_0_soft_reset, 791 .set_clockgating_state = uvd_v5_0_set_clockgating_state, 792 .set_powergating_state = uvd_v5_0_set_powergating_state, 793 }; 794 795 static const struct amdgpu_ring_funcs uvd_v5_0_ring_funcs = { 796 .get_rptr = uvd_v5_0_ring_get_rptr, 797 .get_wptr = uvd_v5_0_ring_get_wptr, 798 .set_wptr = uvd_v5_0_ring_set_wptr, 799 .parse_cs = amdgpu_uvd_ring_parse_cs, 800 .emit_ib = uvd_v5_0_ring_emit_ib, 801 .emit_fence = uvd_v5_0_ring_emit_fence, 802 .emit_hdp_flush = uvd_v5_0_ring_emit_hdp_flush, 803 .emit_hdp_invalidate = uvd_v5_0_ring_emit_hdp_invalidate, 804 .test_ring = uvd_v5_0_ring_test_ring, 805 .test_ib = amdgpu_uvd_ring_test_ib, 806 .insert_nop = amdgpu_ring_insert_nop, 807 .pad_ib = amdgpu_ring_generic_pad_ib, 808 .begin_use = amdgpu_uvd_ring_begin_use, 809 .end_use = amdgpu_uvd_ring_end_use, 810 }; 811 812 static void uvd_v5_0_set_ring_funcs(struct amdgpu_device *adev) 813 { 814 adev->uvd.ring.funcs = &uvd_v5_0_ring_funcs; 815 } 816 817 static const struct amdgpu_irq_src_funcs uvd_v5_0_irq_funcs = { 818 .set = uvd_v5_0_set_interrupt_state, 819 .process = uvd_v5_0_process_interrupt, 820 }; 821 822 static void uvd_v5_0_set_irq_funcs(struct amdgpu_device *adev) 823 { 824 adev->uvd.irq.num_types = 1; 825 adev->uvd.irq.funcs = &uvd_v5_0_irq_funcs; 826 } 827