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/delay.h> 26 #include <linux/firmware.h> 27 28 #include "amdgpu.h" 29 #include "amdgpu_uvd.h" 30 #include "vid.h" 31 #include "uvd/uvd_5_0_d.h" 32 #include "uvd/uvd_5_0_sh_mask.h" 33 #include "oss/oss_2_0_d.h" 34 #include "oss/oss_2_0_sh_mask.h" 35 #include "bif/bif_5_0_d.h" 36 #include "vi.h" 37 #include "smu/smu_7_1_2_d.h" 38 #include "smu/smu_7_1_2_sh_mask.h" 39 #include "ivsrcid/ivsrcid_vislands30.h" 40 41 static void uvd_v5_0_set_ring_funcs(struct amdgpu_device *adev); 42 static void uvd_v5_0_set_irq_funcs(struct amdgpu_device *adev); 43 static int uvd_v5_0_start(struct amdgpu_device *adev); 44 static void uvd_v5_0_stop(struct amdgpu_device *adev); 45 static int uvd_v5_0_set_clockgating_state(void *handle, 46 enum amd_clockgating_state state); 47 static void uvd_v5_0_enable_mgcg(struct amdgpu_device *adev, 48 bool enable); 49 /** 50 * uvd_v5_0_ring_get_rptr - get read pointer 51 * 52 * @ring: amdgpu_ring pointer 53 * 54 * Returns the current hardware read pointer 55 */ 56 static uint64_t uvd_v5_0_ring_get_rptr(struct amdgpu_ring *ring) 57 { 58 struct amdgpu_device *adev = ring->adev; 59 60 return RREG32(mmUVD_RBC_RB_RPTR); 61 } 62 63 /** 64 * uvd_v5_0_ring_get_wptr - get write pointer 65 * 66 * @ring: amdgpu_ring pointer 67 * 68 * Returns the current hardware write pointer 69 */ 70 static uint64_t uvd_v5_0_ring_get_wptr(struct amdgpu_ring *ring) 71 { 72 struct amdgpu_device *adev = ring->adev; 73 74 return RREG32(mmUVD_RBC_RB_WPTR); 75 } 76 77 /** 78 * uvd_v5_0_ring_set_wptr - set write pointer 79 * 80 * @ring: amdgpu_ring pointer 81 * 82 * Commits the write pointer to the hardware 83 */ 84 static void uvd_v5_0_ring_set_wptr(struct amdgpu_ring *ring) 85 { 86 struct amdgpu_device *adev = ring->adev; 87 88 WREG32(mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr)); 89 } 90 91 static int uvd_v5_0_early_init(void *handle) 92 { 93 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 94 adev->uvd.num_uvd_inst = 1; 95 96 uvd_v5_0_set_ring_funcs(adev); 97 uvd_v5_0_set_irq_funcs(adev); 98 99 return 0; 100 } 101 102 static int uvd_v5_0_sw_init(void *handle) 103 { 104 struct amdgpu_ring *ring; 105 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 106 int r; 107 108 /* UVD TRAP */ 109 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, VISLANDS30_IV_SRCID_UVD_SYSTEM_MESSAGE, &adev->uvd.inst->irq); 110 if (r) 111 return r; 112 113 r = amdgpu_uvd_sw_init(adev); 114 if (r) 115 return r; 116 117 ring = &adev->uvd.inst->ring; 118 sprintf(ring->name, "uvd"); 119 r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0); 120 if (r) 121 return r; 122 123 r = amdgpu_uvd_resume(adev); 124 if (r) 125 return r; 126 127 r = amdgpu_uvd_entity_init(adev); 128 129 return r; 130 } 131 132 static int uvd_v5_0_sw_fini(void *handle) 133 { 134 int r; 135 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 136 137 r = amdgpu_uvd_suspend(adev); 138 if (r) 139 return r; 140 141 return amdgpu_uvd_sw_fini(adev); 142 } 143 144 /** 145 * uvd_v5_0_hw_init - start and test UVD block 146 * 147 * @adev: amdgpu_device pointer 148 * 149 * Initialize the hardware, boot up the VCPU and do some testing 150 */ 151 static int uvd_v5_0_hw_init(void *handle) 152 { 153 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 154 struct amdgpu_ring *ring = &adev->uvd.inst->ring; 155 uint32_t tmp; 156 int r; 157 158 amdgpu_asic_set_uvd_clocks(adev, 10000, 10000); 159 uvd_v5_0_set_clockgating_state(adev, AMD_CG_STATE_UNGATE); 160 uvd_v5_0_enable_mgcg(adev, true); 161 162 r = amdgpu_ring_test_helper(ring); 163 if (r) 164 goto done; 165 166 r = amdgpu_ring_alloc(ring, 10); 167 if (r) { 168 DRM_ERROR("amdgpu: ring failed to lock UVD ring (%d).\n", r); 169 goto done; 170 } 171 172 tmp = PACKET0(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0); 173 amdgpu_ring_write(ring, tmp); 174 amdgpu_ring_write(ring, 0xFFFFF); 175 176 tmp = PACKET0(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0); 177 amdgpu_ring_write(ring, tmp); 178 amdgpu_ring_write(ring, 0xFFFFF); 179 180 tmp = PACKET0(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0); 181 amdgpu_ring_write(ring, tmp); 182 amdgpu_ring_write(ring, 0xFFFFF); 183 184 /* Clear timeout status bits */ 185 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_TIMEOUT_STATUS, 0)); 186 amdgpu_ring_write(ring, 0x8); 187 188 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_CNTL, 0)); 189 amdgpu_ring_write(ring, 3); 190 191 amdgpu_ring_commit(ring); 192 193 done: 194 if (!r) 195 DRM_INFO("UVD initialized successfully.\n"); 196 197 return r; 198 199 } 200 201 /** 202 * uvd_v5_0_hw_fini - stop the hardware block 203 * 204 * @adev: amdgpu_device pointer 205 * 206 * Stop the UVD block, mark ring as not ready any more 207 */ 208 static int uvd_v5_0_hw_fini(void *handle) 209 { 210 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 211 struct amdgpu_ring *ring = &adev->uvd.inst->ring; 212 213 if (RREG32(mmUVD_STATUS) != 0) 214 uvd_v5_0_stop(adev); 215 216 ring->sched.ready = false; 217 218 return 0; 219 } 220 221 static int uvd_v5_0_suspend(void *handle) 222 { 223 int r; 224 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 225 226 r = uvd_v5_0_hw_fini(adev); 227 if (r) 228 return r; 229 uvd_v5_0_set_clockgating_state(adev, AMD_CG_STATE_GATE); 230 231 return amdgpu_uvd_suspend(adev); 232 } 233 234 static int uvd_v5_0_resume(void *handle) 235 { 236 int r; 237 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 238 239 r = amdgpu_uvd_resume(adev); 240 if (r) 241 return r; 242 243 return uvd_v5_0_hw_init(adev); 244 } 245 246 /** 247 * uvd_v5_0_mc_resume - memory controller programming 248 * 249 * @adev: amdgpu_device pointer 250 * 251 * Let the UVD memory controller know it's offsets 252 */ 253 static void uvd_v5_0_mc_resume(struct amdgpu_device *adev) 254 { 255 uint64_t offset; 256 uint32_t size; 257 258 /* programm memory controller bits 0-27 */ 259 WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW, 260 lower_32_bits(adev->uvd.inst->gpu_addr)); 261 WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH, 262 upper_32_bits(adev->uvd.inst->gpu_addr)); 263 264 offset = AMDGPU_UVD_FIRMWARE_OFFSET; 265 size = AMDGPU_UVD_FIRMWARE_SIZE(adev); 266 WREG32(mmUVD_VCPU_CACHE_OFFSET0, offset >> 3); 267 WREG32(mmUVD_VCPU_CACHE_SIZE0, size); 268 269 offset += size; 270 size = AMDGPU_UVD_HEAP_SIZE; 271 WREG32(mmUVD_VCPU_CACHE_OFFSET1, offset >> 3); 272 WREG32(mmUVD_VCPU_CACHE_SIZE1, size); 273 274 offset += size; 275 size = AMDGPU_UVD_STACK_SIZE + 276 (AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles); 277 WREG32(mmUVD_VCPU_CACHE_OFFSET2, offset >> 3); 278 WREG32(mmUVD_VCPU_CACHE_SIZE2, size); 279 280 WREG32(mmUVD_UDEC_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 281 WREG32(mmUVD_UDEC_DB_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 282 WREG32(mmUVD_UDEC_DBW_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 283 } 284 285 /** 286 * uvd_v5_0_start - start UVD block 287 * 288 * @adev: amdgpu_device pointer 289 * 290 * Setup and start the UVD block 291 */ 292 static int uvd_v5_0_start(struct amdgpu_device *adev) 293 { 294 struct amdgpu_ring *ring = &adev->uvd.inst->ring; 295 uint32_t rb_bufsz, tmp; 296 uint32_t lmi_swap_cntl; 297 uint32_t mp_swap_cntl; 298 int i, j, r; 299 300 /*disable DPG */ 301 WREG32_P(mmUVD_POWER_STATUS, 0, ~(1 << 2)); 302 303 /* disable byte swapping */ 304 lmi_swap_cntl = 0; 305 mp_swap_cntl = 0; 306 307 uvd_v5_0_mc_resume(adev); 308 309 /* disable interupt */ 310 WREG32_P(mmUVD_MASTINT_EN, 0, ~(1 << 1)); 311 312 /* stall UMC and register bus before resetting VCPU */ 313 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); 314 mdelay(1); 315 316 /* put LMI, VCPU, RBC etc... into reset */ 317 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__LMI_SOFT_RESET_MASK | 318 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK | 319 UVD_SOFT_RESET__RBC_SOFT_RESET_MASK | UVD_SOFT_RESET__CSM_SOFT_RESET_MASK | 320 UVD_SOFT_RESET__CXW_SOFT_RESET_MASK | UVD_SOFT_RESET__TAP_SOFT_RESET_MASK | 321 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK); 322 mdelay(5); 323 324 /* take UVD block out of reset */ 325 WREG32_P(mmSRBM_SOFT_RESET, 0, ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); 326 mdelay(5); 327 328 /* initialize UVD memory controller */ 329 WREG32(mmUVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) | 330 (1 << 21) | (1 << 9) | (1 << 20)); 331 332 #ifdef __BIG_ENDIAN 333 /* swap (8 in 32) RB and IB */ 334 lmi_swap_cntl = 0xa; 335 mp_swap_cntl = 0; 336 #endif 337 WREG32(mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl); 338 WREG32(mmUVD_MP_SWAP_CNTL, mp_swap_cntl); 339 340 WREG32(mmUVD_MPC_SET_MUXA0, 0x40c2040); 341 WREG32(mmUVD_MPC_SET_MUXA1, 0x0); 342 WREG32(mmUVD_MPC_SET_MUXB0, 0x40c2040); 343 WREG32(mmUVD_MPC_SET_MUXB1, 0x0); 344 WREG32(mmUVD_MPC_SET_ALU, 0); 345 WREG32(mmUVD_MPC_SET_MUX, 0x88); 346 347 /* take all subblocks out of reset, except VCPU */ 348 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 349 mdelay(5); 350 351 /* enable VCPU clock */ 352 WREG32(mmUVD_VCPU_CNTL, 1 << 9); 353 354 /* enable UMC */ 355 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); 356 357 /* boot up the VCPU */ 358 WREG32(mmUVD_SOFT_RESET, 0); 359 mdelay(10); 360 361 for (i = 0; i < 10; ++i) { 362 uint32_t status; 363 for (j = 0; j < 100; ++j) { 364 status = RREG32(mmUVD_STATUS); 365 if (status & 2) 366 break; 367 mdelay(10); 368 } 369 r = 0; 370 if (status & 2) 371 break; 372 373 DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n"); 374 WREG32_P(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK, 375 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 376 mdelay(10); 377 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 378 mdelay(10); 379 r = -1; 380 } 381 382 if (r) { 383 DRM_ERROR("UVD not responding, giving up!!!\n"); 384 return r; 385 } 386 /* enable master interrupt */ 387 WREG32_P(mmUVD_MASTINT_EN, 3 << 1, ~(3 << 1)); 388 389 /* clear the bit 4 of UVD_STATUS */ 390 WREG32_P(mmUVD_STATUS, 0, ~(2 << 1)); 391 392 rb_bufsz = order_base_2(ring->ring_size); 393 tmp = 0; 394 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz); 395 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1); 396 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1); 397 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_WPTR_POLL_EN, 0); 398 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1); 399 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1); 400 /* force RBC into idle state */ 401 WREG32(mmUVD_RBC_RB_CNTL, tmp); 402 403 /* set the write pointer delay */ 404 WREG32(mmUVD_RBC_RB_WPTR_CNTL, 0); 405 406 /* set the wb address */ 407 WREG32(mmUVD_RBC_RB_RPTR_ADDR, (upper_32_bits(ring->gpu_addr) >> 2)); 408 409 /* programm the RB_BASE for ring buffer */ 410 WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_LOW, 411 lower_32_bits(ring->gpu_addr)); 412 WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH, 413 upper_32_bits(ring->gpu_addr)); 414 415 /* Initialize the ring buffer's read and write pointers */ 416 WREG32(mmUVD_RBC_RB_RPTR, 0); 417 418 ring->wptr = RREG32(mmUVD_RBC_RB_RPTR); 419 WREG32(mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr)); 420 421 WREG32_P(mmUVD_RBC_RB_CNTL, 0, ~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK); 422 423 return 0; 424 } 425 426 /** 427 * uvd_v5_0_stop - stop UVD block 428 * 429 * @adev: amdgpu_device pointer 430 * 431 * stop the UVD block 432 */ 433 static void uvd_v5_0_stop(struct amdgpu_device *adev) 434 { 435 /* force RBC into idle state */ 436 WREG32(mmUVD_RBC_RB_CNTL, 0x11010101); 437 438 /* Stall UMC and register bus before resetting VCPU */ 439 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); 440 mdelay(1); 441 442 /* put VCPU into reset */ 443 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 444 mdelay(5); 445 446 /* disable VCPU clock */ 447 WREG32(mmUVD_VCPU_CNTL, 0x0); 448 449 /* Unstall UMC and register bus */ 450 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); 451 452 WREG32(mmUVD_STATUS, 0); 453 } 454 455 /** 456 * uvd_v5_0_ring_emit_fence - emit an fence & trap command 457 * 458 * @ring: amdgpu_ring pointer 459 * @fence: fence to emit 460 * 461 * Write a fence and a trap command to the ring. 462 */ 463 static void uvd_v5_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 464 unsigned flags) 465 { 466 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 467 468 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0)); 469 amdgpu_ring_write(ring, seq); 470 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0)); 471 amdgpu_ring_write(ring, addr & 0xffffffff); 472 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0)); 473 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff); 474 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0)); 475 amdgpu_ring_write(ring, 0); 476 477 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0)); 478 amdgpu_ring_write(ring, 0); 479 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0)); 480 amdgpu_ring_write(ring, 0); 481 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0)); 482 amdgpu_ring_write(ring, 2); 483 } 484 485 /** 486 * uvd_v5_0_ring_test_ring - register write test 487 * 488 * @ring: amdgpu_ring pointer 489 * 490 * Test if we can successfully write to the context register 491 */ 492 static int uvd_v5_0_ring_test_ring(struct amdgpu_ring *ring) 493 { 494 struct amdgpu_device *adev = ring->adev; 495 uint32_t tmp = 0; 496 unsigned i; 497 int r; 498 499 WREG32(mmUVD_CONTEXT_ID, 0xCAFEDEAD); 500 r = amdgpu_ring_alloc(ring, 3); 501 if (r) 502 return r; 503 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0)); 504 amdgpu_ring_write(ring, 0xDEADBEEF); 505 amdgpu_ring_commit(ring); 506 for (i = 0; i < adev->usec_timeout; i++) { 507 tmp = RREG32(mmUVD_CONTEXT_ID); 508 if (tmp == 0xDEADBEEF) 509 break; 510 udelay(1); 511 } 512 513 if (i >= adev->usec_timeout) 514 r = -ETIMEDOUT; 515 516 return r; 517 } 518 519 /** 520 * uvd_v5_0_ring_emit_ib - execute indirect buffer 521 * 522 * @ring: amdgpu_ring pointer 523 * @ib: indirect buffer to execute 524 * 525 * Write ring commands to execute the indirect buffer 526 */ 527 static void uvd_v5_0_ring_emit_ib(struct amdgpu_ring *ring, 528 struct amdgpu_job *job, 529 struct amdgpu_ib *ib, 530 uint32_t flags) 531 { 532 amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_LOW, 0)); 533 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 534 amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH, 0)); 535 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 536 amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_SIZE, 0)); 537 amdgpu_ring_write(ring, ib->length_dw); 538 } 539 540 static void uvd_v5_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) 541 { 542 int i; 543 544 WARN_ON(ring->wptr % 2 || count % 2); 545 546 for (i = 0; i < count / 2; i++) { 547 amdgpu_ring_write(ring, PACKET0(mmUVD_NO_OP, 0)); 548 amdgpu_ring_write(ring, 0); 549 } 550 } 551 552 static bool uvd_v5_0_is_idle(void *handle) 553 { 554 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 555 556 return !(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK); 557 } 558 559 static int uvd_v5_0_wait_for_idle(void *handle) 560 { 561 unsigned i; 562 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 563 564 for (i = 0; i < adev->usec_timeout; i++) { 565 if (!(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK)) 566 return 0; 567 } 568 return -ETIMEDOUT; 569 } 570 571 static int uvd_v5_0_soft_reset(void *handle) 572 { 573 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 574 575 uvd_v5_0_stop(adev); 576 577 WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK, 578 ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); 579 mdelay(5); 580 581 return uvd_v5_0_start(adev); 582 } 583 584 static int uvd_v5_0_set_interrupt_state(struct amdgpu_device *adev, 585 struct amdgpu_irq_src *source, 586 unsigned type, 587 enum amdgpu_interrupt_state state) 588 { 589 // TODO 590 return 0; 591 } 592 593 static int uvd_v5_0_process_interrupt(struct amdgpu_device *adev, 594 struct amdgpu_irq_src *source, 595 struct amdgpu_iv_entry *entry) 596 { 597 DRM_DEBUG("IH: UVD TRAP\n"); 598 amdgpu_fence_process(&adev->uvd.inst->ring); 599 return 0; 600 } 601 602 static void uvd_v5_0_enable_clock_gating(struct amdgpu_device *adev, bool enable) 603 { 604 uint32_t data1, data3, suvd_flags; 605 606 data1 = RREG32(mmUVD_SUVD_CGC_GATE); 607 data3 = RREG32(mmUVD_CGC_GATE); 608 609 suvd_flags = UVD_SUVD_CGC_GATE__SRE_MASK | 610 UVD_SUVD_CGC_GATE__SIT_MASK | 611 UVD_SUVD_CGC_GATE__SMP_MASK | 612 UVD_SUVD_CGC_GATE__SCM_MASK | 613 UVD_SUVD_CGC_GATE__SDB_MASK; 614 615 if (enable) { 616 data3 |= (UVD_CGC_GATE__SYS_MASK | 617 UVD_CGC_GATE__UDEC_MASK | 618 UVD_CGC_GATE__MPEG2_MASK | 619 UVD_CGC_GATE__RBC_MASK | 620 UVD_CGC_GATE__LMI_MC_MASK | 621 UVD_CGC_GATE__IDCT_MASK | 622 UVD_CGC_GATE__MPRD_MASK | 623 UVD_CGC_GATE__MPC_MASK | 624 UVD_CGC_GATE__LBSI_MASK | 625 UVD_CGC_GATE__LRBBM_MASK | 626 UVD_CGC_GATE__UDEC_RE_MASK | 627 UVD_CGC_GATE__UDEC_CM_MASK | 628 UVD_CGC_GATE__UDEC_IT_MASK | 629 UVD_CGC_GATE__UDEC_DB_MASK | 630 UVD_CGC_GATE__UDEC_MP_MASK | 631 UVD_CGC_GATE__WCB_MASK | 632 UVD_CGC_GATE__JPEG_MASK | 633 UVD_CGC_GATE__SCPU_MASK); 634 /* only in pg enabled, we can gate clock to vcpu*/ 635 if (adev->pg_flags & AMD_PG_SUPPORT_UVD) 636 data3 |= UVD_CGC_GATE__VCPU_MASK; 637 data3 &= ~UVD_CGC_GATE__REGS_MASK; 638 data1 |= suvd_flags; 639 } else { 640 data3 = 0; 641 data1 = 0; 642 } 643 644 WREG32(mmUVD_SUVD_CGC_GATE, data1); 645 WREG32(mmUVD_CGC_GATE, data3); 646 } 647 648 static void uvd_v5_0_set_sw_clock_gating(struct amdgpu_device *adev) 649 { 650 uint32_t data, data2; 651 652 data = RREG32(mmUVD_CGC_CTRL); 653 data2 = RREG32(mmUVD_SUVD_CGC_CTRL); 654 655 656 data &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK | 657 UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK); 658 659 660 data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK | 661 (1 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_GATE_DLY_TIMER)) | 662 (4 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_OFF_DELAY)); 663 664 data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK | 665 UVD_CGC_CTRL__UDEC_CM_MODE_MASK | 666 UVD_CGC_CTRL__UDEC_IT_MODE_MASK | 667 UVD_CGC_CTRL__UDEC_DB_MODE_MASK | 668 UVD_CGC_CTRL__UDEC_MP_MODE_MASK | 669 UVD_CGC_CTRL__SYS_MODE_MASK | 670 UVD_CGC_CTRL__UDEC_MODE_MASK | 671 UVD_CGC_CTRL__MPEG2_MODE_MASK | 672 UVD_CGC_CTRL__REGS_MODE_MASK | 673 UVD_CGC_CTRL__RBC_MODE_MASK | 674 UVD_CGC_CTRL__LMI_MC_MODE_MASK | 675 UVD_CGC_CTRL__LMI_UMC_MODE_MASK | 676 UVD_CGC_CTRL__IDCT_MODE_MASK | 677 UVD_CGC_CTRL__MPRD_MODE_MASK | 678 UVD_CGC_CTRL__MPC_MODE_MASK | 679 UVD_CGC_CTRL__LBSI_MODE_MASK | 680 UVD_CGC_CTRL__LRBBM_MODE_MASK | 681 UVD_CGC_CTRL__WCB_MODE_MASK | 682 UVD_CGC_CTRL__VCPU_MODE_MASK | 683 UVD_CGC_CTRL__JPEG_MODE_MASK | 684 UVD_CGC_CTRL__SCPU_MODE_MASK); 685 data2 &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK | 686 UVD_SUVD_CGC_CTRL__SIT_MODE_MASK | 687 UVD_SUVD_CGC_CTRL__SMP_MODE_MASK | 688 UVD_SUVD_CGC_CTRL__SCM_MODE_MASK | 689 UVD_SUVD_CGC_CTRL__SDB_MODE_MASK); 690 691 WREG32(mmUVD_CGC_CTRL, data); 692 WREG32(mmUVD_SUVD_CGC_CTRL, data2); 693 } 694 695 #if 0 696 static void uvd_v5_0_set_hw_clock_gating(struct amdgpu_device *adev) 697 { 698 uint32_t data, data1, cgc_flags, suvd_flags; 699 700 data = RREG32(mmUVD_CGC_GATE); 701 data1 = RREG32(mmUVD_SUVD_CGC_GATE); 702 703 cgc_flags = UVD_CGC_GATE__SYS_MASK | 704 UVD_CGC_GATE__UDEC_MASK | 705 UVD_CGC_GATE__MPEG2_MASK | 706 UVD_CGC_GATE__RBC_MASK | 707 UVD_CGC_GATE__LMI_MC_MASK | 708 UVD_CGC_GATE__IDCT_MASK | 709 UVD_CGC_GATE__MPRD_MASK | 710 UVD_CGC_GATE__MPC_MASK | 711 UVD_CGC_GATE__LBSI_MASK | 712 UVD_CGC_GATE__LRBBM_MASK | 713 UVD_CGC_GATE__UDEC_RE_MASK | 714 UVD_CGC_GATE__UDEC_CM_MASK | 715 UVD_CGC_GATE__UDEC_IT_MASK | 716 UVD_CGC_GATE__UDEC_DB_MASK | 717 UVD_CGC_GATE__UDEC_MP_MASK | 718 UVD_CGC_GATE__WCB_MASK | 719 UVD_CGC_GATE__VCPU_MASK | 720 UVD_CGC_GATE__SCPU_MASK; 721 722 suvd_flags = UVD_SUVD_CGC_GATE__SRE_MASK | 723 UVD_SUVD_CGC_GATE__SIT_MASK | 724 UVD_SUVD_CGC_GATE__SMP_MASK | 725 UVD_SUVD_CGC_GATE__SCM_MASK | 726 UVD_SUVD_CGC_GATE__SDB_MASK; 727 728 data |= cgc_flags; 729 data1 |= suvd_flags; 730 731 WREG32(mmUVD_CGC_GATE, data); 732 WREG32(mmUVD_SUVD_CGC_GATE, data1); 733 } 734 #endif 735 736 static void uvd_v5_0_enable_mgcg(struct amdgpu_device *adev, 737 bool enable) 738 { 739 u32 orig, data; 740 741 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) { 742 data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL); 743 data |= 0xfff; 744 WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data); 745 746 orig = data = RREG32(mmUVD_CGC_CTRL); 747 data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK; 748 if (orig != data) 749 WREG32(mmUVD_CGC_CTRL, data); 750 } else { 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 } 760 } 761 762 static int uvd_v5_0_set_clockgating_state(void *handle, 763 enum amd_clockgating_state state) 764 { 765 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 766 bool enable = (state == AMD_CG_STATE_GATE) ? true : false; 767 768 if (enable) { 769 /* wait for STATUS to clear */ 770 if (uvd_v5_0_wait_for_idle(handle)) 771 return -EBUSY; 772 uvd_v5_0_enable_clock_gating(adev, true); 773 774 /* enable HW gates because UVD is idle */ 775 /* uvd_v5_0_set_hw_clock_gating(adev); */ 776 } else { 777 uvd_v5_0_enable_clock_gating(adev, false); 778 } 779 780 uvd_v5_0_set_sw_clock_gating(adev); 781 return 0; 782 } 783 784 static int uvd_v5_0_set_powergating_state(void *handle, 785 enum amd_powergating_state state) 786 { 787 /* This doesn't actually powergate the UVD block. 788 * That's done in the dpm code via the SMC. This 789 * just re-inits the block as necessary. The actual 790 * gating still happens in the dpm code. We should 791 * revisit this when there is a cleaner line between 792 * the smc and the hw blocks 793 */ 794 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 795 int ret = 0; 796 797 if (state == AMD_PG_STATE_GATE) { 798 uvd_v5_0_stop(adev); 799 } else { 800 ret = uvd_v5_0_start(adev); 801 if (ret) 802 goto out; 803 } 804 805 out: 806 return ret; 807 } 808 809 static void uvd_v5_0_get_clockgating_state(void *handle, u32 *flags) 810 { 811 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 812 int data; 813 814 mutex_lock(&adev->pm.mutex); 815 816 if (RREG32_SMC(ixCURRENT_PG_STATUS) & 817 CURRENT_PG_STATUS__UVD_PG_STATUS_MASK) { 818 DRM_INFO("Cannot get clockgating state when UVD is powergated.\n"); 819 goto out; 820 } 821 822 /* AMD_CG_SUPPORT_UVD_MGCG */ 823 data = RREG32(mmUVD_CGC_CTRL); 824 if (data & UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK) 825 *flags |= AMD_CG_SUPPORT_UVD_MGCG; 826 827 out: 828 mutex_unlock(&adev->pm.mutex); 829 } 830 831 static const struct amd_ip_funcs uvd_v5_0_ip_funcs = { 832 .name = "uvd_v5_0", 833 .early_init = uvd_v5_0_early_init, 834 .late_init = NULL, 835 .sw_init = uvd_v5_0_sw_init, 836 .sw_fini = uvd_v5_0_sw_fini, 837 .hw_init = uvd_v5_0_hw_init, 838 .hw_fini = uvd_v5_0_hw_fini, 839 .suspend = uvd_v5_0_suspend, 840 .resume = uvd_v5_0_resume, 841 .is_idle = uvd_v5_0_is_idle, 842 .wait_for_idle = uvd_v5_0_wait_for_idle, 843 .soft_reset = uvd_v5_0_soft_reset, 844 .set_clockgating_state = uvd_v5_0_set_clockgating_state, 845 .set_powergating_state = uvd_v5_0_set_powergating_state, 846 .get_clockgating_state = uvd_v5_0_get_clockgating_state, 847 }; 848 849 static const struct amdgpu_ring_funcs uvd_v5_0_ring_funcs = { 850 .type = AMDGPU_RING_TYPE_UVD, 851 .align_mask = 0xf, 852 .support_64bit_ptrs = false, 853 .get_rptr = uvd_v5_0_ring_get_rptr, 854 .get_wptr = uvd_v5_0_ring_get_wptr, 855 .set_wptr = uvd_v5_0_ring_set_wptr, 856 .parse_cs = amdgpu_uvd_ring_parse_cs, 857 .emit_frame_size = 858 14, /* uvd_v5_0_ring_emit_fence x1 no user fence */ 859 .emit_ib_size = 6, /* uvd_v5_0_ring_emit_ib */ 860 .emit_ib = uvd_v5_0_ring_emit_ib, 861 .emit_fence = uvd_v5_0_ring_emit_fence, 862 .test_ring = uvd_v5_0_ring_test_ring, 863 .test_ib = amdgpu_uvd_ring_test_ib, 864 .insert_nop = uvd_v5_0_ring_insert_nop, 865 .pad_ib = amdgpu_ring_generic_pad_ib, 866 .begin_use = amdgpu_uvd_ring_begin_use, 867 .end_use = amdgpu_uvd_ring_end_use, 868 }; 869 870 static void uvd_v5_0_set_ring_funcs(struct amdgpu_device *adev) 871 { 872 adev->uvd.inst->ring.funcs = &uvd_v5_0_ring_funcs; 873 } 874 875 static const struct amdgpu_irq_src_funcs uvd_v5_0_irq_funcs = { 876 .set = uvd_v5_0_set_interrupt_state, 877 .process = uvd_v5_0_process_interrupt, 878 }; 879 880 static void uvd_v5_0_set_irq_funcs(struct amdgpu_device *adev) 881 { 882 adev->uvd.inst->irq.num_types = 1; 883 adev->uvd.inst->irq.funcs = &uvd_v5_0_irq_funcs; 884 } 885 886 const struct amdgpu_ip_block_version uvd_v5_0_ip_block = 887 { 888 .type = AMD_IP_BLOCK_TYPE_UVD, 889 .major = 5, 890 .minor = 0, 891 .rev = 0, 892 .funcs = &uvd_v5_0_ip_funcs, 893 }; 894