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 adev->uvd.num_uvd_inst = 1; 93 94 uvd_v5_0_set_ring_funcs(adev); 95 uvd_v5_0_set_irq_funcs(adev); 96 97 return 0; 98 } 99 100 static int uvd_v5_0_sw_init(void *handle) 101 { 102 struct amdgpu_ring *ring; 103 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 104 int r; 105 106 /* UVD TRAP */ 107 r = amdgpu_irq_add_id(adev, AMDGPU_IH_CLIENTID_LEGACY, 124, &adev->uvd.inst->irq); 108 if (r) 109 return r; 110 111 r = amdgpu_uvd_sw_init(adev); 112 if (r) 113 return r; 114 115 r = amdgpu_uvd_resume(adev); 116 if (r) 117 return r; 118 119 ring = &adev->uvd.inst->ring; 120 sprintf(ring->name, "uvd"); 121 r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0); 122 123 return r; 124 } 125 126 static int uvd_v5_0_sw_fini(void *handle) 127 { 128 int r; 129 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 130 131 r = amdgpu_uvd_suspend(adev); 132 if (r) 133 return r; 134 135 return amdgpu_uvd_sw_fini(adev); 136 } 137 138 /** 139 * uvd_v5_0_hw_init - start and test UVD block 140 * 141 * @adev: amdgpu_device pointer 142 * 143 * Initialize the hardware, boot up the VCPU and do some testing 144 */ 145 static int uvd_v5_0_hw_init(void *handle) 146 { 147 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 148 struct amdgpu_ring *ring = &adev->uvd.inst->ring; 149 uint32_t tmp; 150 int r; 151 152 amdgpu_asic_set_uvd_clocks(adev, 10000, 10000); 153 uvd_v5_0_set_clockgating_state(adev, AMD_CG_STATE_UNGATE); 154 uvd_v5_0_enable_mgcg(adev, true); 155 156 ring->ready = true; 157 r = amdgpu_ring_test_ring(ring); 158 if (r) { 159 ring->ready = false; 160 goto done; 161 } 162 163 r = amdgpu_ring_alloc(ring, 10); 164 if (r) { 165 DRM_ERROR("amdgpu: ring failed to lock UVD ring (%d).\n", r); 166 goto done; 167 } 168 169 tmp = PACKET0(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0); 170 amdgpu_ring_write(ring, tmp); 171 amdgpu_ring_write(ring, 0xFFFFF); 172 173 tmp = PACKET0(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0); 174 amdgpu_ring_write(ring, tmp); 175 amdgpu_ring_write(ring, 0xFFFFF); 176 177 tmp = PACKET0(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0); 178 amdgpu_ring_write(ring, tmp); 179 amdgpu_ring_write(ring, 0xFFFFF); 180 181 /* Clear timeout status bits */ 182 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_TIMEOUT_STATUS, 0)); 183 amdgpu_ring_write(ring, 0x8); 184 185 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_CNTL, 0)); 186 amdgpu_ring_write(ring, 3); 187 188 amdgpu_ring_commit(ring); 189 190 done: 191 if (!r) 192 DRM_INFO("UVD initialized successfully.\n"); 193 194 return r; 195 196 } 197 198 /** 199 * uvd_v5_0_hw_fini - stop the hardware block 200 * 201 * @adev: amdgpu_device pointer 202 * 203 * Stop the UVD block, mark ring as not ready any more 204 */ 205 static int uvd_v5_0_hw_fini(void *handle) 206 { 207 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 208 struct amdgpu_ring *ring = &adev->uvd.inst->ring; 209 210 if (RREG32(mmUVD_STATUS) != 0) 211 uvd_v5_0_stop(adev); 212 213 ring->ready = false; 214 215 return 0; 216 } 217 218 static int uvd_v5_0_suspend(void *handle) 219 { 220 int r; 221 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 222 223 r = uvd_v5_0_hw_fini(adev); 224 if (r) 225 return r; 226 uvd_v5_0_set_clockgating_state(adev, AMD_CG_STATE_GATE); 227 228 return amdgpu_uvd_suspend(adev); 229 } 230 231 static int uvd_v5_0_resume(void *handle) 232 { 233 int r; 234 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 235 236 r = amdgpu_uvd_resume(adev); 237 if (r) 238 return r; 239 240 return uvd_v5_0_hw_init(adev); 241 } 242 243 /** 244 * uvd_v5_0_mc_resume - memory controller programming 245 * 246 * @adev: amdgpu_device pointer 247 * 248 * Let the UVD memory controller know it's offsets 249 */ 250 static void uvd_v5_0_mc_resume(struct amdgpu_device *adev) 251 { 252 uint64_t offset; 253 uint32_t size; 254 255 /* programm memory controller bits 0-27 */ 256 WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW, 257 lower_32_bits(adev->uvd.inst->gpu_addr)); 258 WREG32(mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH, 259 upper_32_bits(adev->uvd.inst->gpu_addr)); 260 261 offset = AMDGPU_UVD_FIRMWARE_OFFSET; 262 size = AMDGPU_UVD_FIRMWARE_SIZE(adev); 263 WREG32(mmUVD_VCPU_CACHE_OFFSET0, offset >> 3); 264 WREG32(mmUVD_VCPU_CACHE_SIZE0, size); 265 266 offset += size; 267 size = AMDGPU_UVD_HEAP_SIZE; 268 WREG32(mmUVD_VCPU_CACHE_OFFSET1, offset >> 3); 269 WREG32(mmUVD_VCPU_CACHE_SIZE1, size); 270 271 offset += size; 272 size = AMDGPU_UVD_STACK_SIZE + 273 (AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles); 274 WREG32(mmUVD_VCPU_CACHE_OFFSET2, offset >> 3); 275 WREG32(mmUVD_VCPU_CACHE_SIZE2, size); 276 277 WREG32(mmUVD_UDEC_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 278 WREG32(mmUVD_UDEC_DB_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 279 WREG32(mmUVD_UDEC_DBW_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 280 } 281 282 /** 283 * uvd_v5_0_start - start UVD block 284 * 285 * @adev: amdgpu_device pointer 286 * 287 * Setup and start the UVD block 288 */ 289 static int uvd_v5_0_start(struct amdgpu_device *adev) 290 { 291 struct amdgpu_ring *ring = &adev->uvd.inst->ring; 292 uint32_t rb_bufsz, tmp; 293 uint32_t lmi_swap_cntl; 294 uint32_t mp_swap_cntl; 295 int i, j, r; 296 297 /*disable DPG */ 298 WREG32_P(mmUVD_POWER_STATUS, 0, ~(1 << 2)); 299 300 /* disable byte swapping */ 301 lmi_swap_cntl = 0; 302 mp_swap_cntl = 0; 303 304 uvd_v5_0_mc_resume(adev); 305 306 /* disable interupt */ 307 WREG32_P(mmUVD_MASTINT_EN, 0, ~(1 << 1)); 308 309 /* stall UMC and register bus before resetting VCPU */ 310 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); 311 mdelay(1); 312 313 /* put LMI, VCPU, RBC etc... into reset */ 314 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__LMI_SOFT_RESET_MASK | 315 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK | 316 UVD_SOFT_RESET__RBC_SOFT_RESET_MASK | UVD_SOFT_RESET__CSM_SOFT_RESET_MASK | 317 UVD_SOFT_RESET__CXW_SOFT_RESET_MASK | UVD_SOFT_RESET__TAP_SOFT_RESET_MASK | 318 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK); 319 mdelay(5); 320 321 /* take UVD block out of reset */ 322 WREG32_P(mmSRBM_SOFT_RESET, 0, ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); 323 mdelay(5); 324 325 /* initialize UVD memory controller */ 326 WREG32(mmUVD_LMI_CTRL, 0x40 | (1 << 8) | (1 << 13) | 327 (1 << 21) | (1 << 9) | (1 << 20)); 328 329 #ifdef __BIG_ENDIAN 330 /* swap (8 in 32) RB and IB */ 331 lmi_swap_cntl = 0xa; 332 mp_swap_cntl = 0; 333 #endif 334 WREG32(mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl); 335 WREG32(mmUVD_MP_SWAP_CNTL, mp_swap_cntl); 336 337 WREG32(mmUVD_MPC_SET_MUXA0, 0x40c2040); 338 WREG32(mmUVD_MPC_SET_MUXA1, 0x0); 339 WREG32(mmUVD_MPC_SET_MUXB0, 0x40c2040); 340 WREG32(mmUVD_MPC_SET_MUXB1, 0x0); 341 WREG32(mmUVD_MPC_SET_ALU, 0); 342 WREG32(mmUVD_MPC_SET_MUX, 0x88); 343 344 /* take all subblocks out of reset, except VCPU */ 345 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 346 mdelay(5); 347 348 /* enable VCPU clock */ 349 WREG32(mmUVD_VCPU_CNTL, 1 << 9); 350 351 /* enable UMC */ 352 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); 353 354 /* boot up the VCPU */ 355 WREG32(mmUVD_SOFT_RESET, 0); 356 mdelay(10); 357 358 for (i = 0; i < 10; ++i) { 359 uint32_t status; 360 for (j = 0; j < 100; ++j) { 361 status = RREG32(mmUVD_STATUS); 362 if (status & 2) 363 break; 364 mdelay(10); 365 } 366 r = 0; 367 if (status & 2) 368 break; 369 370 DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n"); 371 WREG32_P(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK, 372 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 373 mdelay(10); 374 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 375 mdelay(10); 376 r = -1; 377 } 378 379 if (r) { 380 DRM_ERROR("UVD not responding, giving up!!!\n"); 381 return r; 382 } 383 /* enable master interrupt */ 384 WREG32_P(mmUVD_MASTINT_EN, 3 << 1, ~(3 << 1)); 385 386 /* clear the bit 4 of UVD_STATUS */ 387 WREG32_P(mmUVD_STATUS, 0, ~(2 << 1)); 388 389 rb_bufsz = order_base_2(ring->ring_size); 390 tmp = 0; 391 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz); 392 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1); 393 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1); 394 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_WPTR_POLL_EN, 0); 395 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1); 396 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1); 397 /* force RBC into idle state */ 398 WREG32(mmUVD_RBC_RB_CNTL, tmp); 399 400 /* set the write pointer delay */ 401 WREG32(mmUVD_RBC_RB_WPTR_CNTL, 0); 402 403 /* set the wb address */ 404 WREG32(mmUVD_RBC_RB_RPTR_ADDR, (upper_32_bits(ring->gpu_addr) >> 2)); 405 406 /* programm the RB_BASE for ring buffer */ 407 WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_LOW, 408 lower_32_bits(ring->gpu_addr)); 409 WREG32(mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH, 410 upper_32_bits(ring->gpu_addr)); 411 412 /* Initialize the ring buffer's read and write pointers */ 413 WREG32(mmUVD_RBC_RB_RPTR, 0); 414 415 ring->wptr = RREG32(mmUVD_RBC_RB_RPTR); 416 WREG32(mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr)); 417 418 WREG32_P(mmUVD_RBC_RB_CNTL, 0, ~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK); 419 420 return 0; 421 } 422 423 /** 424 * uvd_v5_0_stop - stop UVD block 425 * 426 * @adev: amdgpu_device pointer 427 * 428 * stop the UVD block 429 */ 430 static void uvd_v5_0_stop(struct amdgpu_device *adev) 431 { 432 /* force RBC into idle state */ 433 WREG32(mmUVD_RBC_RB_CNTL, 0x11010101); 434 435 /* Stall UMC and register bus before resetting VCPU */ 436 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); 437 mdelay(1); 438 439 /* put VCPU into reset */ 440 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 441 mdelay(5); 442 443 /* disable VCPU clock */ 444 WREG32(mmUVD_VCPU_CNTL, 0x0); 445 446 /* Unstall UMC and register bus */ 447 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); 448 449 WREG32(mmUVD_STATUS, 0); 450 } 451 452 /** 453 * uvd_v5_0_ring_emit_fence - emit an fence & trap command 454 * 455 * @ring: amdgpu_ring pointer 456 * @fence: fence to emit 457 * 458 * Write a fence and a trap command to the ring. 459 */ 460 static void uvd_v5_0_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 461 unsigned flags) 462 { 463 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 464 465 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0)); 466 amdgpu_ring_write(ring, seq); 467 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0)); 468 amdgpu_ring_write(ring, addr & 0xffffffff); 469 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0)); 470 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff); 471 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0)); 472 amdgpu_ring_write(ring, 0); 473 474 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0)); 475 amdgpu_ring_write(ring, 0); 476 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0)); 477 amdgpu_ring_write(ring, 0); 478 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0)); 479 amdgpu_ring_write(ring, 2); 480 } 481 482 /** 483 * uvd_v5_0_ring_test_ring - register write test 484 * 485 * @ring: amdgpu_ring pointer 486 * 487 * Test if we can successfully write to the context register 488 */ 489 static int uvd_v5_0_ring_test_ring(struct amdgpu_ring *ring) 490 { 491 struct amdgpu_device *adev = ring->adev; 492 uint32_t tmp = 0; 493 unsigned i; 494 int r; 495 496 WREG32(mmUVD_CONTEXT_ID, 0xCAFEDEAD); 497 r = amdgpu_ring_alloc(ring, 3); 498 if (r) { 499 DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n", 500 ring->idx, r); 501 return r; 502 } 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 DRM_UDELAY(1); 511 } 512 513 if (i < adev->usec_timeout) { 514 DRM_DEBUG("ring test on %d succeeded in %d usecs\n", 515 ring->idx, i); 516 } else { 517 DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n", 518 ring->idx, tmp); 519 r = -EINVAL; 520 } 521 return r; 522 } 523 524 /** 525 * uvd_v5_0_ring_emit_ib - execute indirect buffer 526 * 527 * @ring: amdgpu_ring pointer 528 * @ib: indirect buffer to execute 529 * 530 * Write ring commands to execute the indirect buffer 531 */ 532 static void uvd_v5_0_ring_emit_ib(struct amdgpu_ring *ring, 533 struct amdgpu_ib *ib, 534 unsigned vmid, bool ctx_switch) 535 { 536 amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_LOW, 0)); 537 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 538 amdgpu_ring_write(ring, PACKET0(mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH, 0)); 539 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 540 amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_SIZE, 0)); 541 amdgpu_ring_write(ring, ib->length_dw); 542 } 543 544 static void uvd_v5_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) 545 { 546 int i; 547 548 WARN_ON(ring->wptr % 2 || count % 2); 549 550 for (i = 0; i < count / 2; i++) { 551 amdgpu_ring_write(ring, PACKET0(mmUVD_NO_OP, 0)); 552 amdgpu_ring_write(ring, 0); 553 } 554 } 555 556 static bool uvd_v5_0_is_idle(void *handle) 557 { 558 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 559 560 return !(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK); 561 } 562 563 static int uvd_v5_0_wait_for_idle(void *handle) 564 { 565 unsigned i; 566 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 567 568 for (i = 0; i < adev->usec_timeout; i++) { 569 if (!(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK)) 570 return 0; 571 } 572 return -ETIMEDOUT; 573 } 574 575 static int uvd_v5_0_soft_reset(void *handle) 576 { 577 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 578 579 uvd_v5_0_stop(adev); 580 581 WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK, 582 ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); 583 mdelay(5); 584 585 return uvd_v5_0_start(adev); 586 } 587 588 static int uvd_v5_0_set_interrupt_state(struct amdgpu_device *adev, 589 struct amdgpu_irq_src *source, 590 unsigned type, 591 enum amdgpu_interrupt_state state) 592 { 593 // TODO 594 return 0; 595 } 596 597 static int uvd_v5_0_process_interrupt(struct amdgpu_device *adev, 598 struct amdgpu_irq_src *source, 599 struct amdgpu_iv_entry *entry) 600 { 601 DRM_DEBUG("IH: UVD TRAP\n"); 602 amdgpu_fence_process(&adev->uvd.inst->ring); 603 return 0; 604 } 605 606 static void uvd_v5_0_enable_clock_gating(struct amdgpu_device *adev, bool enable) 607 { 608 uint32_t data1, data3, suvd_flags; 609 610 data1 = RREG32(mmUVD_SUVD_CGC_GATE); 611 data3 = RREG32(mmUVD_CGC_GATE); 612 613 suvd_flags = UVD_SUVD_CGC_GATE__SRE_MASK | 614 UVD_SUVD_CGC_GATE__SIT_MASK | 615 UVD_SUVD_CGC_GATE__SMP_MASK | 616 UVD_SUVD_CGC_GATE__SCM_MASK | 617 UVD_SUVD_CGC_GATE__SDB_MASK; 618 619 if (enable) { 620 data3 |= (UVD_CGC_GATE__SYS_MASK | 621 UVD_CGC_GATE__UDEC_MASK | 622 UVD_CGC_GATE__MPEG2_MASK | 623 UVD_CGC_GATE__RBC_MASK | 624 UVD_CGC_GATE__LMI_MC_MASK | 625 UVD_CGC_GATE__IDCT_MASK | 626 UVD_CGC_GATE__MPRD_MASK | 627 UVD_CGC_GATE__MPC_MASK | 628 UVD_CGC_GATE__LBSI_MASK | 629 UVD_CGC_GATE__LRBBM_MASK | 630 UVD_CGC_GATE__UDEC_RE_MASK | 631 UVD_CGC_GATE__UDEC_CM_MASK | 632 UVD_CGC_GATE__UDEC_IT_MASK | 633 UVD_CGC_GATE__UDEC_DB_MASK | 634 UVD_CGC_GATE__UDEC_MP_MASK | 635 UVD_CGC_GATE__WCB_MASK | 636 UVD_CGC_GATE__JPEG_MASK | 637 UVD_CGC_GATE__SCPU_MASK); 638 /* only in pg enabled, we can gate clock to vcpu*/ 639 if (adev->pg_flags & AMD_PG_SUPPORT_UVD) 640 data3 |= UVD_CGC_GATE__VCPU_MASK; 641 data3 &= ~UVD_CGC_GATE__REGS_MASK; 642 data1 |= suvd_flags; 643 } else { 644 data3 = 0; 645 data1 = 0; 646 } 647 648 WREG32(mmUVD_SUVD_CGC_GATE, data1); 649 WREG32(mmUVD_CGC_GATE, data3); 650 } 651 652 static void uvd_v5_0_set_sw_clock_gating(struct amdgpu_device *adev) 653 { 654 uint32_t data, data2; 655 656 data = RREG32(mmUVD_CGC_CTRL); 657 data2 = RREG32(mmUVD_SUVD_CGC_CTRL); 658 659 660 data &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK | 661 UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK); 662 663 664 data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK | 665 (1 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_GATE_DLY_TIMER)) | 666 (4 << REG_FIELD_SHIFT(UVD_CGC_CTRL, CLK_OFF_DELAY)); 667 668 data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK | 669 UVD_CGC_CTRL__UDEC_CM_MODE_MASK | 670 UVD_CGC_CTRL__UDEC_IT_MODE_MASK | 671 UVD_CGC_CTRL__UDEC_DB_MODE_MASK | 672 UVD_CGC_CTRL__UDEC_MP_MODE_MASK | 673 UVD_CGC_CTRL__SYS_MODE_MASK | 674 UVD_CGC_CTRL__UDEC_MODE_MASK | 675 UVD_CGC_CTRL__MPEG2_MODE_MASK | 676 UVD_CGC_CTRL__REGS_MODE_MASK | 677 UVD_CGC_CTRL__RBC_MODE_MASK | 678 UVD_CGC_CTRL__LMI_MC_MODE_MASK | 679 UVD_CGC_CTRL__LMI_UMC_MODE_MASK | 680 UVD_CGC_CTRL__IDCT_MODE_MASK | 681 UVD_CGC_CTRL__MPRD_MODE_MASK | 682 UVD_CGC_CTRL__MPC_MODE_MASK | 683 UVD_CGC_CTRL__LBSI_MODE_MASK | 684 UVD_CGC_CTRL__LRBBM_MODE_MASK | 685 UVD_CGC_CTRL__WCB_MODE_MASK | 686 UVD_CGC_CTRL__VCPU_MODE_MASK | 687 UVD_CGC_CTRL__JPEG_MODE_MASK | 688 UVD_CGC_CTRL__SCPU_MODE_MASK); 689 data2 &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK | 690 UVD_SUVD_CGC_CTRL__SIT_MODE_MASK | 691 UVD_SUVD_CGC_CTRL__SMP_MODE_MASK | 692 UVD_SUVD_CGC_CTRL__SCM_MODE_MASK | 693 UVD_SUVD_CGC_CTRL__SDB_MODE_MASK); 694 695 WREG32(mmUVD_CGC_CTRL, data); 696 WREG32(mmUVD_SUVD_CGC_CTRL, data2); 697 } 698 699 #if 0 700 static void uvd_v5_0_set_hw_clock_gating(struct amdgpu_device *adev) 701 { 702 uint32_t data, data1, cgc_flags, suvd_flags; 703 704 data = RREG32(mmUVD_CGC_GATE); 705 data1 = RREG32(mmUVD_SUVD_CGC_GATE); 706 707 cgc_flags = UVD_CGC_GATE__SYS_MASK | 708 UVD_CGC_GATE__UDEC_MASK | 709 UVD_CGC_GATE__MPEG2_MASK | 710 UVD_CGC_GATE__RBC_MASK | 711 UVD_CGC_GATE__LMI_MC_MASK | 712 UVD_CGC_GATE__IDCT_MASK | 713 UVD_CGC_GATE__MPRD_MASK | 714 UVD_CGC_GATE__MPC_MASK | 715 UVD_CGC_GATE__LBSI_MASK | 716 UVD_CGC_GATE__LRBBM_MASK | 717 UVD_CGC_GATE__UDEC_RE_MASK | 718 UVD_CGC_GATE__UDEC_CM_MASK | 719 UVD_CGC_GATE__UDEC_IT_MASK | 720 UVD_CGC_GATE__UDEC_DB_MASK | 721 UVD_CGC_GATE__UDEC_MP_MASK | 722 UVD_CGC_GATE__WCB_MASK | 723 UVD_CGC_GATE__VCPU_MASK | 724 UVD_CGC_GATE__SCPU_MASK; 725 726 suvd_flags = UVD_SUVD_CGC_GATE__SRE_MASK | 727 UVD_SUVD_CGC_GATE__SIT_MASK | 728 UVD_SUVD_CGC_GATE__SMP_MASK | 729 UVD_SUVD_CGC_GATE__SCM_MASK | 730 UVD_SUVD_CGC_GATE__SDB_MASK; 731 732 data |= cgc_flags; 733 data1 |= suvd_flags; 734 735 WREG32(mmUVD_CGC_GATE, data); 736 WREG32(mmUVD_SUVD_CGC_GATE, data1); 737 } 738 #endif 739 740 static void uvd_v5_0_enable_mgcg(struct amdgpu_device *adev, 741 bool enable) 742 { 743 u32 orig, data; 744 745 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) { 746 data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL); 747 data |= 0xfff; 748 WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data); 749 750 orig = data = RREG32(mmUVD_CGC_CTRL); 751 data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK; 752 if (orig != data) 753 WREG32(mmUVD_CGC_CTRL, data); 754 } else { 755 data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL); 756 data &= ~0xfff; 757 WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data); 758 759 orig = data = RREG32(mmUVD_CGC_CTRL); 760 data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK; 761 if (orig != data) 762 WREG32(mmUVD_CGC_CTRL, data); 763 } 764 } 765 766 static int uvd_v5_0_set_clockgating_state(void *handle, 767 enum amd_clockgating_state state) 768 { 769 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 770 bool enable = (state == AMD_CG_STATE_GATE) ? true : false; 771 772 if (enable) { 773 /* wait for STATUS to clear */ 774 if (uvd_v5_0_wait_for_idle(handle)) 775 return -EBUSY; 776 uvd_v5_0_enable_clock_gating(adev, true); 777 778 /* enable HW gates because UVD is idle */ 779 /* uvd_v5_0_set_hw_clock_gating(adev); */ 780 } else { 781 uvd_v5_0_enable_clock_gating(adev, false); 782 } 783 784 uvd_v5_0_set_sw_clock_gating(adev); 785 return 0; 786 } 787 788 static int uvd_v5_0_set_powergating_state(void *handle, 789 enum amd_powergating_state state) 790 { 791 /* This doesn't actually powergate the UVD block. 792 * That's done in the dpm code via the SMC. This 793 * just re-inits the block as necessary. The actual 794 * gating still happens in the dpm code. We should 795 * revisit this when there is a cleaner line between 796 * the smc and the hw blocks 797 */ 798 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 799 int ret = 0; 800 801 if (state == AMD_PG_STATE_GATE) { 802 uvd_v5_0_stop(adev); 803 } else { 804 ret = uvd_v5_0_start(adev); 805 if (ret) 806 goto out; 807 } 808 809 out: 810 return ret; 811 } 812 813 static void uvd_v5_0_get_clockgating_state(void *handle, u32 *flags) 814 { 815 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 816 int data; 817 818 mutex_lock(&adev->pm.mutex); 819 820 if (RREG32_SMC(ixCURRENT_PG_STATUS) & 821 CURRENT_PG_STATUS__UVD_PG_STATUS_MASK) { 822 DRM_INFO("Cannot get clockgating state when UVD is powergated.\n"); 823 goto out; 824 } 825 826 /* AMD_CG_SUPPORT_UVD_MGCG */ 827 data = RREG32(mmUVD_CGC_CTRL); 828 if (data & UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK) 829 *flags |= AMD_CG_SUPPORT_UVD_MGCG; 830 831 out: 832 mutex_unlock(&adev->pm.mutex); 833 } 834 835 static const struct amd_ip_funcs uvd_v5_0_ip_funcs = { 836 .name = "uvd_v5_0", 837 .early_init = uvd_v5_0_early_init, 838 .late_init = NULL, 839 .sw_init = uvd_v5_0_sw_init, 840 .sw_fini = uvd_v5_0_sw_fini, 841 .hw_init = uvd_v5_0_hw_init, 842 .hw_fini = uvd_v5_0_hw_fini, 843 .suspend = uvd_v5_0_suspend, 844 .resume = uvd_v5_0_resume, 845 .is_idle = uvd_v5_0_is_idle, 846 .wait_for_idle = uvd_v5_0_wait_for_idle, 847 .soft_reset = uvd_v5_0_soft_reset, 848 .set_clockgating_state = uvd_v5_0_set_clockgating_state, 849 .set_powergating_state = uvd_v5_0_set_powergating_state, 850 .get_clockgating_state = uvd_v5_0_get_clockgating_state, 851 }; 852 853 static const struct amdgpu_ring_funcs uvd_v5_0_ring_funcs = { 854 .type = AMDGPU_RING_TYPE_UVD, 855 .align_mask = 0xf, 856 .support_64bit_ptrs = false, 857 .get_rptr = uvd_v5_0_ring_get_rptr, 858 .get_wptr = uvd_v5_0_ring_get_wptr, 859 .set_wptr = uvd_v5_0_ring_set_wptr, 860 .parse_cs = amdgpu_uvd_ring_parse_cs, 861 .emit_frame_size = 862 14, /* uvd_v5_0_ring_emit_fence x1 no user fence */ 863 .emit_ib_size = 6, /* uvd_v5_0_ring_emit_ib */ 864 .emit_ib = uvd_v5_0_ring_emit_ib, 865 .emit_fence = uvd_v5_0_ring_emit_fence, 866 .test_ring = uvd_v5_0_ring_test_ring, 867 .test_ib = amdgpu_uvd_ring_test_ib, 868 .insert_nop = uvd_v5_0_ring_insert_nop, 869 .pad_ib = amdgpu_ring_generic_pad_ib, 870 .begin_use = amdgpu_uvd_ring_begin_use, 871 .end_use = amdgpu_uvd_ring_end_use, 872 }; 873 874 static void uvd_v5_0_set_ring_funcs(struct amdgpu_device *adev) 875 { 876 adev->uvd.inst->ring.funcs = &uvd_v5_0_ring_funcs; 877 } 878 879 static const struct amdgpu_irq_src_funcs uvd_v5_0_irq_funcs = { 880 .set = uvd_v5_0_set_interrupt_state, 881 .process = uvd_v5_0_process_interrupt, 882 }; 883 884 static void uvd_v5_0_set_irq_funcs(struct amdgpu_device *adev) 885 { 886 adev->uvd.inst->irq.num_types = 1; 887 adev->uvd.inst->irq.funcs = &uvd_v5_0_irq_funcs; 888 } 889 890 const struct amdgpu_ip_block_version uvd_v5_0_ip_block = 891 { 892 .type = AMD_IP_BLOCK_TYPE_UVD, 893 .major = 5, 894 .minor = 0, 895 .rev = 0, 896 .funcs = &uvd_v5_0_ip_funcs, 897 }; 898