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 #include "ivsrcid/ivsrcid_vislands30.h" 39 40 static void uvd_v5_0_set_ring_funcs(struct amdgpu_device *adev); 41 static void uvd_v5_0_set_irq_funcs(struct amdgpu_device *adev); 42 static int uvd_v5_0_start(struct amdgpu_device *adev); 43 static void uvd_v5_0_stop(struct amdgpu_device *adev); 44 static int uvd_v5_0_set_clockgating_state(void *handle, 45 enum amd_clockgating_state state); 46 static void uvd_v5_0_enable_mgcg(struct amdgpu_device *adev, 47 bool enable); 48 /** 49 * uvd_v5_0_ring_get_rptr - get read pointer 50 * 51 * @ring: amdgpu_ring pointer 52 * 53 * Returns the current hardware read pointer 54 */ 55 static uint64_t uvd_v5_0_ring_get_rptr(struct amdgpu_ring *ring) 56 { 57 struct amdgpu_device *adev = ring->adev; 58 59 return RREG32(mmUVD_RBC_RB_RPTR); 60 } 61 62 /** 63 * uvd_v5_0_ring_get_wptr - get write pointer 64 * 65 * @ring: amdgpu_ring pointer 66 * 67 * Returns the current hardware write pointer 68 */ 69 static uint64_t uvd_v5_0_ring_get_wptr(struct amdgpu_ring *ring) 70 { 71 struct amdgpu_device *adev = ring->adev; 72 73 return RREG32(mmUVD_RBC_RB_WPTR); 74 } 75 76 /** 77 * uvd_v5_0_ring_set_wptr - set write pointer 78 * 79 * @ring: amdgpu_ring pointer 80 * 81 * Commits the write pointer to the hardware 82 */ 83 static void uvd_v5_0_ring_set_wptr(struct amdgpu_ring *ring) 84 { 85 struct amdgpu_device *adev = ring->adev; 86 87 WREG32(mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr)); 88 } 89 90 static int uvd_v5_0_early_init(void *handle) 91 { 92 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 93 adev->uvd.num_uvd_inst = 1; 94 95 uvd_v5_0_set_ring_funcs(adev); 96 uvd_v5_0_set_irq_funcs(adev); 97 98 return 0; 99 } 100 101 static int uvd_v5_0_sw_init(void *handle) 102 { 103 struct amdgpu_ring *ring; 104 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 105 int r; 106 107 /* UVD TRAP */ 108 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_UVD_SYSTEM_MESSAGE, &adev->uvd.inst->irq); 109 if (r) 110 return r; 111 112 r = amdgpu_uvd_sw_init(adev); 113 if (r) 114 return r; 115 116 ring = &adev->uvd.inst->ring; 117 ksprintf(ring->name, "uvd"); 118 r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0); 119 if (r) 120 return r; 121 122 r = amdgpu_uvd_resume(adev); 123 if (r) 124 return r; 125 126 r = amdgpu_uvd_entity_init(adev); 127 128 return r; 129 } 130 131 static int uvd_v5_0_sw_fini(void *handle) 132 { 133 int r; 134 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 135 136 r = amdgpu_uvd_suspend(adev); 137 if (r) 138 return r; 139 140 return amdgpu_uvd_sw_fini(adev); 141 } 142 143 /** 144 * uvd_v5_0_hw_init - start and test UVD block 145 * 146 * @adev: amdgpu_device pointer 147 * 148 * Initialize the hardware, boot up the VCPU and do some testing 149 */ 150 static int uvd_v5_0_hw_init(void *handle) 151 { 152 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 153 struct amdgpu_ring *ring = &adev->uvd.inst->ring; 154 uint32_t tmp; 155 int r; 156 157 amdgpu_asic_set_uvd_clocks(adev, 10000, 10000); 158 uvd_v5_0_set_clockgating_state(adev, AMD_CG_STATE_UNGATE); 159 uvd_v5_0_enable_mgcg(adev, true); 160 161 ring->ready = true; 162 r = amdgpu_ring_test_ring(ring); 163 if (r) { 164 ring->ready = false; 165 goto done; 166 } 167 168 r = amdgpu_ring_alloc(ring, 10); 169 if (r) { 170 DRM_ERROR("amdgpu: ring failed to lock UVD ring (%d).\n", r); 171 goto done; 172 } 173 174 tmp = PACKET0(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0); 175 amdgpu_ring_write(ring, tmp); 176 amdgpu_ring_write(ring, 0xFFFFF); 177 178 tmp = PACKET0(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0); 179 amdgpu_ring_write(ring, tmp); 180 amdgpu_ring_write(ring, 0xFFFFF); 181 182 tmp = PACKET0(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0); 183 amdgpu_ring_write(ring, tmp); 184 amdgpu_ring_write(ring, 0xFFFFF); 185 186 /* Clear timeout status bits */ 187 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_TIMEOUT_STATUS, 0)); 188 amdgpu_ring_write(ring, 0x8); 189 190 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_CNTL, 0)); 191 amdgpu_ring_write(ring, 3); 192 193 amdgpu_ring_commit(ring); 194 195 done: 196 if (!r) 197 DRM_INFO("UVD initialized successfully.\n"); 198 199 return r; 200 201 } 202 203 /** 204 * uvd_v5_0_hw_fini - stop the hardware block 205 * 206 * @adev: amdgpu_device pointer 207 * 208 * Stop the UVD block, mark ring as not ready any more 209 */ 210 static int uvd_v5_0_hw_fini(void *handle) 211 { 212 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 213 struct amdgpu_ring *ring = &adev->uvd.inst->ring; 214 215 if (RREG32(mmUVD_STATUS) != 0) 216 uvd_v5_0_stop(adev); 217 218 ring->ready = false; 219 220 return 0; 221 } 222 223 static int uvd_v5_0_suspend(void *handle) 224 { 225 int r; 226 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 227 228 r = uvd_v5_0_hw_fini(adev); 229 if (r) 230 return r; 231 uvd_v5_0_set_clockgating_state(adev, AMD_CG_STATE_GATE); 232 233 return amdgpu_uvd_suspend(adev); 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 return uvd_v5_0_hw_init(adev); 246 } 247 248 /** 249 * uvd_v5_0_mc_resume - memory controller programming 250 * 251 * @adev: amdgpu_device pointer 252 * 253 * Let the UVD memory controller know it's offsets 254 */ 255 static void uvd_v5_0_mc_resume(struct amdgpu_device *adev) 256 { 257 uint64_t offset; 258 uint32_t size; 259 260 /* programm memory controller bits 0-27 */ 261 WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW, 262 lower_32_bits(adev->uvd.inst->gpu_addr)); 263 WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH, 264 upper_32_bits(adev->uvd.inst->gpu_addr)); 265 266 offset = AMDGPU_UVD_FIRMWARE_OFFSET; 267 size = AMDGPU_UVD_FIRMWARE_SIZE(adev); 268 WREG32(mmUVD_VCPU_CACHE_OFFSET0, offset >> 3); 269 WREG32(mmUVD_VCPU_CACHE_SIZE0, size); 270 271 offset += size; 272 size = AMDGPU_UVD_HEAP_SIZE; 273 WREG32(mmUVD_VCPU_CACHE_OFFSET1, offset >> 3); 274 WREG32(mmUVD_VCPU_CACHE_SIZE1, size); 275 276 offset += size; 277 size = AMDGPU_UVD_STACK_SIZE + 278 (AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles); 279 WREG32(mmUVD_VCPU_CACHE_OFFSET2, offset >> 3); 280 WREG32(mmUVD_VCPU_CACHE_SIZE2, size); 281 282 WREG32(mmUVD_UDEC_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 283 WREG32(mmUVD_UDEC_DB_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 284 WREG32(mmUVD_UDEC_DBW_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 285 } 286 287 /** 288 * uvd_v5_0_start - start UVD block 289 * 290 * @adev: amdgpu_device pointer 291 * 292 * Setup and start the UVD block 293 */ 294 static int uvd_v5_0_start(struct amdgpu_device *adev) 295 { 296 struct amdgpu_ring *ring = &adev->uvd.inst->ring; 297 uint32_t rb_bufsz, tmp; 298 uint32_t lmi_swap_cntl; 299 uint32_t mp_swap_cntl; 300 int i, j, r; 301 302 /*disable DPG */ 303 WREG32_P(mmUVD_POWER_STATUS, 0, ~(1 << 2)); 304 305 /* disable byte swapping */ 306 lmi_swap_cntl = 0; 307 mp_swap_cntl = 0; 308 309 uvd_v5_0_mc_resume(adev); 310 311 /* disable interupt */ 312 WREG32_P(mmUVD_MASTINT_EN, 0, ~(1 << 1)); 313 314 /* stall UMC and register bus before resetting VCPU */ 315 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); 316 mdelay(1); 317 318 /* put LMI, VCPU, RBC etc... into reset */ 319 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__LMI_SOFT_RESET_MASK | 320 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK | 321 UVD_SOFT_RESET__RBC_SOFT_RESET_MASK | UVD_SOFT_RESET__CSM_SOFT_RESET_MASK | 322 UVD_SOFT_RESET__CXW_SOFT_RESET_MASK | UVD_SOFT_RESET__TAP_SOFT_RESET_MASK | 323 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK); 324 mdelay(5); 325 326 /* take UVD block out of reset */ 327 WREG32_P(mmSRBM_SOFT_RESET, 0, ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); 328 mdelay(5); 329 330 /* initialize UVD memory controller */ 331 WREG32(mmUVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) | 332 (1 << 21) | (1 << 9) | (1 << 20)); 333 334 #ifdef __BIG_ENDIAN 335 /* swap (8 in 32) RB and IB */ 336 lmi_swap_cntl = 0xa; 337 mp_swap_cntl = 0; 338 #endif 339 WREG32(mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl); 340 WREG32(mmUVD_MP_SWAP_CNTL, mp_swap_cntl); 341 342 WREG32(mmUVD_MPC_SET_MUXA0, 0x40c2040); 343 WREG32(mmUVD_MPC_SET_MUXA1, 0x0); 344 WREG32(mmUVD_MPC_SET_MUXB0, 0x40c2040); 345 WREG32(mmUVD_MPC_SET_MUXB1, 0x0); 346 WREG32(mmUVD_MPC_SET_ALU, 0); 347 WREG32(mmUVD_MPC_SET_MUX, 0x88); 348 349 /* take all subblocks out of reset, except VCPU */ 350 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 351 mdelay(5); 352 353 /* enable VCPU clock */ 354 WREG32(mmUVD_VCPU_CNTL, 1 << 9); 355 356 /* enable UMC */ 357 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); 358 359 /* boot up the VCPU */ 360 WREG32(mmUVD_SOFT_RESET, 0); 361 mdelay(10); 362 363 for (i = 0; i < 10; ++i) { 364 uint32_t status; 365 for (j = 0; j < 100; ++j) { 366 status = RREG32(mmUVD_STATUS); 367 if (status & 2) 368 break; 369 mdelay(10); 370 } 371 r = 0; 372 if (status & 2) 373 break; 374 375 DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n"); 376 WREG32_P(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK, 377 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 378 mdelay(10); 379 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 380 mdelay(10); 381 r = -1; 382 } 383 384 if (r) { 385 DRM_ERROR("UVD not responding, giving up!!!\n"); 386 return r; 387 } 388 /* enable master interrupt */ 389 WREG32_P(mmUVD_MASTINT_EN, 3 << 1, ~(3 << 1)); 390 391 /* clear the bit 4 of UVD_STATUS */ 392 WREG32_P(mmUVD_STATUS, 0, ~(2 << 1)); 393 394 rb_bufsz = order_base_2(ring->ring_size); 395 tmp = 0; 396 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz); 397 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1); 398 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1); 399 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_WPTR_POLL_EN, 0); 400 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1); 401 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1); 402 /* force RBC into idle state */ 403 WREG32(mmUVD_RBC_RB_CNTL, tmp); 404 405 /* set the write pointer delay */ 406 WREG32(mmUVD_RBC_RB_WPTR_CNTL, 0); 407 408 /* set the wb address */ 409 WREG32(mmUVD_RBC_RB_RPTR_ADDR, (upper_32_bits(ring->gpu_addr) >> 2)); 410 411 /* programm the RB_BASE for ring buffer */ 412 WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_LOW, 413 lower_32_bits(ring->gpu_addr)); 414 WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH, 415 upper_32_bits(ring->gpu_addr)); 416 417 /* Initialize the ring buffer's read and write pointers */ 418 WREG32(mmUVD_RBC_RB_RPTR, 0); 419 420 ring->wptr = RREG32(mmUVD_RBC_RB_RPTR); 421 WREG32(mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr)); 422 423 WREG32_P(mmUVD_RBC_RB_CNTL, 0, ~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK); 424 425 return 0; 426 } 427 428 /** 429 * uvd_v5_0_stop - stop UVD block 430 * 431 * @adev: amdgpu_device pointer 432 * 433 * stop the UVD block 434 */ 435 static void uvd_v5_0_stop(struct amdgpu_device *adev) 436 { 437 /* force RBC into idle state */ 438 WREG32(mmUVD_RBC_RB_CNTL, 0x11010101); 439 440 /* Stall UMC and register bus before resetting VCPU */ 441 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); 442 mdelay(1); 443 444 /* put VCPU into reset */ 445 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 446 mdelay(5); 447 448 /* disable VCPU clock */ 449 WREG32(mmUVD_VCPU_CNTL, 0x0); 450 451 /* Unstall UMC and register bus */ 452 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); 453 454 WREG32(mmUVD_STATUS, 0); 455 } 456 457 /** 458 * uvd_v5_0_ring_emit_fence - emit an fence & trap command 459 * 460 * @ring: amdgpu_ring pointer 461 * @fence: fence to emit 462 * 463 * Write a fence and a trap command to the ring. 464 */ 465 static void uvd_v5_0_ring_emit_fence(struct amdgpu_ring *ring, uint64_t addr, uint64_t seq, 466 unsigned flags) 467 { 468 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 469 470 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0)); 471 amdgpu_ring_write(ring, seq); 472 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0)); 473 amdgpu_ring_write(ring, addr & 0xffffffff); 474 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0)); 475 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff); 476 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0)); 477 amdgpu_ring_write(ring, 0); 478 479 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0)); 480 amdgpu_ring_write(ring, 0); 481 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0)); 482 amdgpu_ring_write(ring, 0); 483 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0)); 484 amdgpu_ring_write(ring, 2); 485 } 486 487 /** 488 * uvd_v5_0_ring_test_ring - register write test 489 * 490 * @ring: amdgpu_ring pointer 491 * 492 * Test if we can successfully write to the context register 493 */ 494 static int uvd_v5_0_ring_test_ring(struct amdgpu_ring *ring) 495 { 496 struct amdgpu_device *adev = ring->adev; 497 uint32_t tmp = 0; 498 unsigned i; 499 int r; 500 501 WREG32(mmUVD_CONTEXT_ID, 0xCAFEDEAD); 502 r = amdgpu_ring_alloc(ring, 3); 503 if (r) { 504 DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n", 505 ring->idx, r); 506 return r; 507 } 508 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0)); 509 amdgpu_ring_write(ring, 0xDEADBEEF); 510 amdgpu_ring_commit(ring); 511 for (i = 0; i < adev->usec_timeout; i++) { 512 tmp = RREG32(mmUVD_CONTEXT_ID); 513 if (tmp == 0xDEADBEEF) 514 break; 515 DRM_UDELAY(1); 516 } 517 518 if (i < adev->usec_timeout) { 519 DRM_DEBUG("ring test on %d succeeded in %d usecs\n", 520 ring->idx, i); 521 } else { 522 DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n", 523 ring->idx, tmp); 524 r = -EINVAL; 525 } 526 return r; 527 } 528 529 /** 530 * uvd_v5_0_ring_emit_ib - execute indirect buffer 531 * 532 * @ring: amdgpu_ring pointer 533 * @ib: indirect buffer to execute 534 * 535 * Write ring commands to execute the indirect buffer 536 */ 537 static void uvd_v5_0_ring_emit_ib(struct amdgpu_ring *ring, 538 struct amdgpu_ib *ib, 539 unsigned vmid, bool ctx_switch) 540 { 541 amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_LOW, 0)); 542 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 543 amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH, 0)); 544 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 545 amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_SIZE, 0)); 546 amdgpu_ring_write(ring, ib->length_dw); 547 } 548 549 static void uvd_v5_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) 550 { 551 int i; 552 553 WARN_ON(ring->wptr % 2 || count % 2); 554 555 for (i = 0; i < count / 2; i++) { 556 amdgpu_ring_write(ring, PACKET0(mmUVD_NO_OP, 0)); 557 amdgpu_ring_write(ring, 0); 558 } 559 } 560 561 static bool uvd_v5_0_is_idle(void *handle) 562 { 563 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 564 565 return !(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK); 566 } 567 568 static int uvd_v5_0_wait_for_idle(void *handle) 569 { 570 unsigned i; 571 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 572 573 for (i = 0; i < adev->usec_timeout; i++) { 574 if (!(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK)) 575 return 0; 576 } 577 return -ETIMEDOUT; 578 } 579 580 static int uvd_v5_0_soft_reset(void *handle) 581 { 582 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 583 584 uvd_v5_0_stop(adev); 585 586 WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK, 587 ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); 588 mdelay(5); 589 590 return uvd_v5_0_start(adev); 591 } 592 593 static int uvd_v5_0_set_interrupt_state(struct amdgpu_device *adev, 594 struct amdgpu_irq_src *source, 595 unsigned type, 596 enum amdgpu_interrupt_state state) 597 { 598 // TODO 599 return 0; 600 } 601 602 static int uvd_v5_0_process_interrupt(struct amdgpu_device *adev, 603 struct amdgpu_irq_src *source, 604 struct amdgpu_iv_entry *entry) 605 { 606 DRM_DEBUG("IH: UVD TRAP\n"); 607 amdgpu_fence_process(&adev->uvd.inst->ring); 608 return 0; 609 } 610 611 static void uvd_v5_0_enable_clock_gating(struct amdgpu_device *adev, bool enable) 612 { 613 uint32_t data1, data3, suvd_flags; 614 615 data1 = RREG32(mmUVD_SUVD_CGC_GATE); 616 data3 = RREG32(mmUVD_CGC_GATE); 617 618 suvd_flags = UVD_SUVD_CGC_GATE__SRE_MASK | 619 UVD_SUVD_CGC_GATE__SIT_MASK | 620 UVD_SUVD_CGC_GATE__SMP_MASK | 621 UVD_SUVD_CGC_GATE__SCM_MASK | 622 UVD_SUVD_CGC_GATE__SDB_MASK; 623 624 if (enable) { 625 data3 |= (UVD_CGC_GATE__SYS_MASK | 626 UVD_CGC_GATE__UDEC_MASK | 627 UVD_CGC_GATE__MPEG2_MASK | 628 UVD_CGC_GATE__RBC_MASK | 629 UVD_CGC_GATE__LMI_MC_MASK | 630 UVD_CGC_GATE__IDCT_MASK | 631 UVD_CGC_GATE__MPRD_MASK | 632 UVD_CGC_GATE__MPC_MASK | 633 UVD_CGC_GATE__LBSI_MASK | 634 UVD_CGC_GATE__LRBBM_MASK | 635 UVD_CGC_GATE__UDEC_RE_MASK | 636 UVD_CGC_GATE__UDEC_CM_MASK | 637 UVD_CGC_GATE__UDEC_IT_MASK | 638 UVD_CGC_GATE__UDEC_DB_MASK | 639 UVD_CGC_GATE__UDEC_MP_MASK | 640 UVD_CGC_GATE__WCB_MASK | 641 UVD_CGC_GATE__JPEG_MASK | 642 UVD_CGC_GATE__SCPU_MASK); 643 /* only in pg enabled, we can gate clock to vcpu*/ 644 if (adev->pg_flags & AMD_PG_SUPPORT_UVD) 645 data3 |= UVD_CGC_GATE__VCPU_MASK; 646 data3 &= ~UVD_CGC_GATE__REGS_MASK; 647 data1 |= suvd_flags; 648 } else { 649 data3 = 0; 650 data1 = 0; 651 } 652 653 WREG32(mmUVD_SUVD_CGC_GATE, data1); 654 WREG32(mmUVD_CGC_GATE, data3); 655 } 656 657 static void uvd_v5_0_set_sw_clock_gating(struct amdgpu_device *adev) 658 { 659 uint32_t data, data2; 660 661 data = RREG32(mmUVD_CGC_CTRL); 662 data2 = RREG32(mmUVD_SUVD_CGC_CTRL); 663 664 665 data &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK | 666 UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK); 667 668 669 data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK | 670 (1 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_GATE_DLY_TIMER)) | 671 (4 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_OFF_DELAY)); 672 673 data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK | 674 UVD_CGC_CTRL__UDEC_CM_MODE_MASK | 675 UVD_CGC_CTRL__UDEC_IT_MODE_MASK | 676 UVD_CGC_CTRL__UDEC_DB_MODE_MASK | 677 UVD_CGC_CTRL__UDEC_MP_MODE_MASK | 678 UVD_CGC_CTRL__SYS_MODE_MASK | 679 UVD_CGC_CTRL__UDEC_MODE_MASK | 680 UVD_CGC_CTRL__MPEG2_MODE_MASK | 681 UVD_CGC_CTRL__REGS_MODE_MASK | 682 UVD_CGC_CTRL__RBC_MODE_MASK | 683 UVD_CGC_CTRL__LMI_MC_MODE_MASK | 684 UVD_CGC_CTRL__LMI_UMC_MODE_MASK | 685 UVD_CGC_CTRL__IDCT_MODE_MASK | 686 UVD_CGC_CTRL__MPRD_MODE_MASK | 687 UVD_CGC_CTRL__MPC_MODE_MASK | 688 UVD_CGC_CTRL__LBSI_MODE_MASK | 689 UVD_CGC_CTRL__LRBBM_MODE_MASK | 690 UVD_CGC_CTRL__WCB_MODE_MASK | 691 UVD_CGC_CTRL__VCPU_MODE_MASK | 692 UVD_CGC_CTRL__JPEG_MODE_MASK | 693 UVD_CGC_CTRL__SCPU_MODE_MASK); 694 data2 &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK | 695 UVD_SUVD_CGC_CTRL__SIT_MODE_MASK | 696 UVD_SUVD_CGC_CTRL__SMP_MODE_MASK | 697 UVD_SUVD_CGC_CTRL__SCM_MODE_MASK | 698 UVD_SUVD_CGC_CTRL__SDB_MODE_MASK); 699 700 WREG32(mmUVD_CGC_CTRL, data); 701 WREG32(mmUVD_SUVD_CGC_CTRL, data2); 702 } 703 704 #if 0 705 static void uvd_v5_0_set_hw_clock_gating(struct amdgpu_device *adev) 706 { 707 uint32_t data, data1, cgc_flags, suvd_flags; 708 709 data = RREG32(mmUVD_CGC_GATE); 710 data1 = RREG32(mmUVD_SUVD_CGC_GATE); 711 712 cgc_flags = UVD_CGC_GATE__SYS_MASK | 713 UVD_CGC_GATE__UDEC_MASK | 714 UVD_CGC_GATE__MPEG2_MASK | 715 UVD_CGC_GATE__RBC_MASK | 716 UVD_CGC_GATE__LMI_MC_MASK | 717 UVD_CGC_GATE__IDCT_MASK | 718 UVD_CGC_GATE__MPRD_MASK | 719 UVD_CGC_GATE__MPC_MASK | 720 UVD_CGC_GATE__LBSI_MASK | 721 UVD_CGC_GATE__LRBBM_MASK | 722 UVD_CGC_GATE__UDEC_RE_MASK | 723 UVD_CGC_GATE__UDEC_CM_MASK | 724 UVD_CGC_GATE__UDEC_IT_MASK | 725 UVD_CGC_GATE__UDEC_DB_MASK | 726 UVD_CGC_GATE__UDEC_MP_MASK | 727 UVD_CGC_GATE__WCB_MASK | 728 UVD_CGC_GATE__VCPU_MASK | 729 UVD_CGC_GATE__SCPU_MASK; 730 731 suvd_flags = UVD_SUVD_CGC_GATE__SRE_MASK | 732 UVD_SUVD_CGC_GATE__SIT_MASK | 733 UVD_SUVD_CGC_GATE__SMP_MASK | 734 UVD_SUVD_CGC_GATE__SCM_MASK | 735 UVD_SUVD_CGC_GATE__SDB_MASK; 736 737 data |= cgc_flags; 738 data1 |= suvd_flags; 739 740 WREG32(mmUVD_CGC_GATE, data); 741 WREG32(mmUVD_SUVD_CGC_GATE, data1); 742 } 743 #endif 744 745 static void uvd_v5_0_enable_mgcg(struct amdgpu_device *adev, 746 bool enable) 747 { 748 u32 orig, data; 749 750 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) { 751 data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL); 752 data |= 0xfff; 753 WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data); 754 755 orig = data = RREG32(mmUVD_CGC_CTRL); 756 data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK; 757 if (orig != data) 758 WREG32(mmUVD_CGC_CTRL, data); 759 } else { 760 data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL); 761 data &= ~0xfff; 762 WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data); 763 764 orig = data = RREG32(mmUVD_CGC_CTRL); 765 data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK; 766 if (orig != data) 767 WREG32(mmUVD_CGC_CTRL, data); 768 } 769 } 770 771 static int uvd_v5_0_set_clockgating_state(void *handle, 772 enum amd_clockgating_state state) 773 { 774 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 775 bool enable = (state == AMD_CG_STATE_GATE) ? true : false; 776 777 if (enable) { 778 /* wait for STATUS to clear */ 779 if (uvd_v5_0_wait_for_idle(handle)) 780 return -EBUSY; 781 uvd_v5_0_enable_clock_gating(adev, true); 782 783 /* enable HW gates because UVD is idle */ 784 /* uvd_v5_0_set_hw_clock_gating(adev); */ 785 } else { 786 uvd_v5_0_enable_clock_gating(adev, false); 787 } 788 789 uvd_v5_0_set_sw_clock_gating(adev); 790 return 0; 791 } 792 793 static int uvd_v5_0_set_powergating_state(void *handle, 794 enum amd_powergating_state state) 795 { 796 /* This doesn't actually powergate the UVD block. 797 * That's done in the dpm code via the SMC. This 798 * just re-inits the block as necessary. The actual 799 * gating still happens in the dpm code. We should 800 * revisit this when there is a cleaner line between 801 * the smc and the hw blocks 802 */ 803 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 804 int ret = 0; 805 806 if (state == AMD_PG_STATE_GATE) { 807 uvd_v5_0_stop(adev); 808 } else { 809 ret = uvd_v5_0_start(adev); 810 if (ret) 811 goto out; 812 } 813 814 out: 815 return ret; 816 } 817 818 static void uvd_v5_0_get_clockgating_state(void *handle, u32 *flags) 819 { 820 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 821 int data; 822 823 mutex_lock(&adev->pm.mutex); 824 825 if (RREG32_SMC(ixCURRENT_PG_STATUS) & 826 CURRENT_PG_STATUS__UVD_PG_STATUS_MASK) { 827 DRM_INFO("Cannot get clockgating state when UVD is powergated.\n"); 828 goto out; 829 } 830 831 /* AMD_CG_SUPPORT_UVD_MGCG */ 832 data = RREG32(mmUVD_CGC_CTRL); 833 if (data & UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK) 834 *flags |= AMD_CG_SUPPORT_UVD_MGCG; 835 836 out: 837 mutex_unlock(&adev->pm.mutex); 838 } 839 840 static const struct amd_ip_funcs uvd_v5_0_ip_funcs = { 841 .name = "uvd_v5_0", 842 .early_init = uvd_v5_0_early_init, 843 .late_init = NULL, 844 .sw_init = uvd_v5_0_sw_init, 845 .sw_fini = uvd_v5_0_sw_fini, 846 .hw_init = uvd_v5_0_hw_init, 847 .hw_fini = uvd_v5_0_hw_fini, 848 .suspend = uvd_v5_0_suspend, 849 .resume = uvd_v5_0_resume, 850 .is_idle = uvd_v5_0_is_idle, 851 .wait_for_idle = uvd_v5_0_wait_for_idle, 852 .soft_reset = uvd_v5_0_soft_reset, 853 .set_clockgating_state = uvd_v5_0_set_clockgating_state, 854 .set_powergating_state = uvd_v5_0_set_powergating_state, 855 .get_clockgating_state = uvd_v5_0_get_clockgating_state, 856 }; 857 858 static const struct amdgpu_ring_funcs uvd_v5_0_ring_funcs = { 859 .type = AMDGPU_RING_TYPE_UVD, 860 .align_mask = 0xf, 861 .support_64bit_ptrs = false, 862 .get_rptr = uvd_v5_0_ring_get_rptr, 863 .get_wptr = uvd_v5_0_ring_get_wptr, 864 .set_wptr = uvd_v5_0_ring_set_wptr, 865 .parse_cs = amdgpu_uvd_ring_parse_cs, 866 .emit_frame_size = 867 14, /* uvd_v5_0_ring_emit_fence x1 no user fence */ 868 .emit_ib_size = 6, /* uvd_v5_0_ring_emit_ib */ 869 .emit_ib = uvd_v5_0_ring_emit_ib, 870 .emit_fence = uvd_v5_0_ring_emit_fence, 871 .test_ring = uvd_v5_0_ring_test_ring, 872 .test_ib = amdgpu_uvd_ring_test_ib, 873 .insert_nop = uvd_v5_0_ring_insert_nop, 874 .pad_ib = amdgpu_ring_generic_pad_ib, 875 .begin_use = amdgpu_uvd_ring_begin_use, 876 .end_use = amdgpu_uvd_ring_end_use, 877 }; 878 879 static void uvd_v5_0_set_ring_funcs(struct amdgpu_device *adev) 880 { 881 adev->uvd.inst->ring.funcs = &uvd_v5_0_ring_funcs; 882 } 883 884 static const struct amdgpu_irq_src_funcs uvd_v5_0_irq_funcs = { 885 .set = uvd_v5_0_set_interrupt_state, 886 .process = uvd_v5_0_process_interrupt, 887 }; 888 889 static void uvd_v5_0_set_irq_funcs(struct amdgpu_device *adev) 890 { 891 adev->uvd.inst->irq.num_types = 1; 892 adev->uvd.inst->irq.funcs = &uvd_v5_0_irq_funcs; 893 } 894 895 const struct amdgpu_ip_block_version uvd_v5_0_ip_block = 896 { 897 .type = AMD_IP_BLOCK_TYPE_UVD, 898 .major = 5, 899 .minor = 0, 900 .rev = 0, 901 .funcs = &uvd_v5_0_ip_funcs, 902 }; 903