1 /* 2 * Copyright 2013 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 "cikd.h" 30 31 #include "uvd/uvd_4_2_d.h" 32 #include "uvd/uvd_4_2_sh_mask.h" 33 34 #include "oss/oss_2_0_d.h" 35 #include "oss/oss_2_0_sh_mask.h" 36 37 #include "bif/bif_4_1_d.h" 38 39 #include "smu/smu_7_0_1_d.h" 40 #include "smu/smu_7_0_1_sh_mask.h" 41 42 static void uvd_v4_2_mc_resume(struct amdgpu_device *adev); 43 static void uvd_v4_2_set_ring_funcs(struct amdgpu_device *adev); 44 static void uvd_v4_2_set_irq_funcs(struct amdgpu_device *adev); 45 static int uvd_v4_2_start(struct amdgpu_device *adev); 46 static void uvd_v4_2_stop(struct amdgpu_device *adev); 47 static int uvd_v4_2_set_clockgating_state(void *handle, 48 enum amd_clockgating_state state); 49 static void uvd_v4_2_set_dcm(struct amdgpu_device *adev, 50 bool sw_mode); 51 /** 52 * uvd_v4_2_ring_get_rptr - get read pointer 53 * 54 * @ring: amdgpu_ring pointer 55 * 56 * Returns the current hardware read pointer 57 */ 58 static uint64_t uvd_v4_2_ring_get_rptr(struct amdgpu_ring *ring) 59 { 60 struct amdgpu_device *adev = ring->adev; 61 62 return RREG32(mmUVD_RBC_RB_RPTR); 63 } 64 65 /** 66 * uvd_v4_2_ring_get_wptr - get write pointer 67 * 68 * @ring: amdgpu_ring pointer 69 * 70 * Returns the current hardware write pointer 71 */ 72 static uint64_t uvd_v4_2_ring_get_wptr(struct amdgpu_ring *ring) 73 { 74 struct amdgpu_device *adev = ring->adev; 75 76 return RREG32(mmUVD_RBC_RB_WPTR); 77 } 78 79 /** 80 * uvd_v4_2_ring_set_wptr - set write pointer 81 * 82 * @ring: amdgpu_ring pointer 83 * 84 * Commits the write pointer to the hardware 85 */ 86 static void uvd_v4_2_ring_set_wptr(struct amdgpu_ring *ring) 87 { 88 struct amdgpu_device *adev = ring->adev; 89 90 WREG32(mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr)); 91 } 92 93 static int uvd_v4_2_early_init(void *handle) 94 { 95 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 96 adev->uvd.num_uvd_inst = 1; 97 98 uvd_v4_2_set_ring_funcs(adev); 99 uvd_v4_2_set_irq_funcs(adev); 100 101 return 0; 102 } 103 104 static int uvd_v4_2_sw_init(void *handle) 105 { 106 struct amdgpu_ring *ring; 107 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 108 int r; 109 110 /* UVD TRAP */ 111 r = amdgpu_irq_add_id(adev, AMDGPU_IRQ_CLIENTID_LEGACY, 124, &adev->uvd.inst->irq); 112 if (r) 113 return r; 114 115 r = amdgpu_uvd_sw_init(adev); 116 if (r) 117 return r; 118 119 r = amdgpu_uvd_resume(adev); 120 if (r) 121 return r; 122 123 ring = &adev->uvd.inst->ring; 124 sprintf(ring->name, "uvd"); 125 r = amdgpu_ring_init(adev, ring, 512, &adev->uvd.inst->irq, 0); 126 if (r) 127 return r; 128 129 r = amdgpu_uvd_entity_init(adev); 130 131 return r; 132 } 133 134 static int uvd_v4_2_sw_fini(void *handle) 135 { 136 int r; 137 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 138 139 r = amdgpu_uvd_suspend(adev); 140 if (r) 141 return r; 142 143 return amdgpu_uvd_sw_fini(adev); 144 } 145 146 static void uvd_v4_2_enable_mgcg(struct amdgpu_device *adev, 147 bool enable); 148 /** 149 * uvd_v4_2_hw_init - start and test UVD block 150 * 151 * @adev: amdgpu_device pointer 152 * 153 * Initialize the hardware, boot up the VCPU and do some testing 154 */ 155 static int uvd_v4_2_hw_init(void *handle) 156 { 157 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 158 struct amdgpu_ring *ring = &adev->uvd.inst->ring; 159 uint32_t tmp; 160 int r; 161 162 uvd_v4_2_enable_mgcg(adev, true); 163 amdgpu_asic_set_uvd_clocks(adev, 10000, 10000); 164 165 r = amdgpu_ring_test_helper(ring); 166 if (r) 167 goto done; 168 169 r = amdgpu_ring_alloc(ring, 10); 170 if (r) { 171 DRM_ERROR("amdgpu: ring failed to lock UVD ring (%d).\n", r); 172 goto done; 173 } 174 175 tmp = PACKET0(mmUVD_SEMA_WAIT_FAULT_TIMEOUT_CNTL, 0); 176 amdgpu_ring_write(ring, tmp); 177 amdgpu_ring_write(ring, 0xFFFFF); 178 179 tmp = PACKET0(mmUVD_SEMA_WAIT_INCOMPLETE_TIMEOUT_CNTL, 0); 180 amdgpu_ring_write(ring, tmp); 181 amdgpu_ring_write(ring, 0xFFFFF); 182 183 tmp = PACKET0(mmUVD_SEMA_SIGNAL_INCOMPLETE_TIMEOUT_CNTL, 0); 184 amdgpu_ring_write(ring, tmp); 185 amdgpu_ring_write(ring, 0xFFFFF); 186 187 /* Clear timeout status bits */ 188 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_TIMEOUT_STATUS, 0)); 189 amdgpu_ring_write(ring, 0x8); 190 191 amdgpu_ring_write(ring, PACKET0(mmUVD_SEMA_CNTL, 0)); 192 amdgpu_ring_write(ring, 3); 193 194 amdgpu_ring_commit(ring); 195 196 done: 197 if (!r) 198 DRM_INFO("UVD initialized successfully.\n"); 199 200 return r; 201 } 202 203 /** 204 * uvd_v4_2_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_v4_2_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_v4_2_stop(adev); 217 218 ring->sched.ready = false; 219 220 return 0; 221 } 222 223 static int uvd_v4_2_suspend(void *handle) 224 { 225 int r; 226 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 227 228 r = uvd_v4_2_hw_fini(adev); 229 if (r) 230 return r; 231 232 return amdgpu_uvd_suspend(adev); 233 } 234 235 static int uvd_v4_2_resume(void *handle) 236 { 237 int r; 238 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 239 240 r = amdgpu_uvd_resume(adev); 241 if (r) 242 return r; 243 244 return uvd_v4_2_hw_init(adev); 245 } 246 247 /** 248 * uvd_v4_2_start - start UVD block 249 * 250 * @adev: amdgpu_device pointer 251 * 252 * Setup and start the UVD block 253 */ 254 static int uvd_v4_2_start(struct amdgpu_device *adev) 255 { 256 struct amdgpu_ring *ring = &adev->uvd.inst->ring; 257 uint32_t rb_bufsz; 258 int i, j, r; 259 u32 tmp; 260 /* disable byte swapping */ 261 u32 lmi_swap_cntl = 0; 262 u32 mp_swap_cntl = 0; 263 264 /* set uvd busy */ 265 WREG32_P(mmUVD_STATUS, 1<<2, ~(1<<2)); 266 267 uvd_v4_2_set_dcm(adev, true); 268 WREG32(mmUVD_CGC_GATE, 0); 269 270 /* take UVD block out of reset */ 271 WREG32_P(mmSRBM_SOFT_RESET, 0, ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); 272 mdelay(5); 273 274 /* enable VCPU clock */ 275 WREG32(mmUVD_VCPU_CNTL, 1 << 9); 276 277 /* disable interupt */ 278 WREG32_P(mmUVD_MASTINT_EN, 0, ~(1 << 1)); 279 280 #ifdef __BIG_ENDIAN 281 /* swap (8 in 32) RB and IB */ 282 lmi_swap_cntl = 0xa; 283 mp_swap_cntl = 0; 284 #endif 285 WREG32(mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl); 286 WREG32(mmUVD_MP_SWAP_CNTL, mp_swap_cntl); 287 /* initialize UVD memory controller */ 288 WREG32(mmUVD_LMI_CTRL, 0x203108); 289 290 tmp = RREG32(mmUVD_MPC_CNTL); 291 WREG32(mmUVD_MPC_CNTL, tmp | 0x10); 292 293 WREG32(mmUVD_MPC_SET_MUXA0, 0x40c2040); 294 WREG32(mmUVD_MPC_SET_MUXA1, 0x0); 295 WREG32(mmUVD_MPC_SET_MUXB0, 0x40c2040); 296 WREG32(mmUVD_MPC_SET_MUXB1, 0x0); 297 WREG32(mmUVD_MPC_SET_ALU, 0); 298 WREG32(mmUVD_MPC_SET_MUX, 0x88); 299 300 uvd_v4_2_mc_resume(adev); 301 302 tmp = RREG32_UVD_CTX(ixUVD_LMI_CACHE_CTRL); 303 WREG32_UVD_CTX(ixUVD_LMI_CACHE_CTRL, tmp & (~0x10)); 304 305 /* enable UMC */ 306 WREG32_P(mmUVD_LMI_CTRL2, 0, ~(1 << 8)); 307 308 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__LMI_SOFT_RESET_MASK); 309 310 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK); 311 312 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 313 314 mdelay(10); 315 316 for (i = 0; i < 10; ++i) { 317 uint32_t status; 318 for (j = 0; j < 100; ++j) { 319 status = RREG32(mmUVD_STATUS); 320 if (status & 2) 321 break; 322 mdelay(10); 323 } 324 r = 0; 325 if (status & 2) 326 break; 327 328 DRM_ERROR("UVD not responding, trying to reset the VCPU!!!\n"); 329 WREG32_P(mmUVD_SOFT_RESET, UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK, 330 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 331 mdelay(10); 332 WREG32_P(mmUVD_SOFT_RESET, 0, ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 333 mdelay(10); 334 r = -1; 335 } 336 337 if (r) { 338 DRM_ERROR("UVD not responding, giving up!!!\n"); 339 return r; 340 } 341 342 /* enable interupt */ 343 WREG32_P(mmUVD_MASTINT_EN, 3<<1, ~(3 << 1)); 344 345 WREG32_P(mmUVD_STATUS, 0, ~(1<<2)); 346 347 /* force RBC into idle state */ 348 WREG32(mmUVD_RBC_RB_CNTL, 0x11010101); 349 350 /* Set the write pointer delay */ 351 WREG32(mmUVD_RBC_RB_WPTR_CNTL, 0); 352 353 /* programm the 4GB memory segment for rptr and ring buffer */ 354 WREG32(mmUVD_LMI_EXT40_ADDR, upper_32_bits(ring->gpu_addr) | 355 (0x7 << 16) | (0x1 << 31)); 356 357 /* Initialize the ring buffer's read and write pointers */ 358 WREG32(mmUVD_RBC_RB_RPTR, 0x0); 359 360 ring->wptr = RREG32(mmUVD_RBC_RB_RPTR); 361 WREG32(mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr)); 362 363 /* set the ring address */ 364 WREG32(mmUVD_RBC_RB_BASE, ring->gpu_addr); 365 366 /* Set ring buffer size */ 367 rb_bufsz = order_base_2(ring->ring_size); 368 rb_bufsz = (0x1 << 8) | rb_bufsz; 369 WREG32_P(mmUVD_RBC_RB_CNTL, rb_bufsz, ~0x11f1f); 370 371 return 0; 372 } 373 374 /** 375 * uvd_v4_2_stop - stop UVD block 376 * 377 * @adev: amdgpu_device pointer 378 * 379 * stop the UVD block 380 */ 381 static void uvd_v4_2_stop(struct amdgpu_device *adev) 382 { 383 uint32_t i, j; 384 uint32_t status; 385 386 WREG32(mmUVD_RBC_RB_CNTL, 0x11010101); 387 388 for (i = 0; i < 10; ++i) { 389 for (j = 0; j < 100; ++j) { 390 status = RREG32(mmUVD_STATUS); 391 if (status & 2) 392 break; 393 mdelay(1); 394 } 395 if (status & 2) 396 break; 397 } 398 399 for (i = 0; i < 10; ++i) { 400 for (j = 0; j < 100; ++j) { 401 status = RREG32(mmUVD_LMI_STATUS); 402 if (status & 0xf) 403 break; 404 mdelay(1); 405 } 406 if (status & 0xf) 407 break; 408 } 409 410 /* Stall UMC and register bus before resetting VCPU */ 411 WREG32_P(mmUVD_LMI_CTRL2, 1 << 8, ~(1 << 8)); 412 413 for (i = 0; i < 10; ++i) { 414 for (j = 0; j < 100; ++j) { 415 status = RREG32(mmUVD_LMI_STATUS); 416 if (status & 0x240) 417 break; 418 mdelay(1); 419 } 420 if (status & 0x240) 421 break; 422 } 423 424 WREG32_P(0x3D49, 0, ~(1 << 2)); 425 426 WREG32_P(mmUVD_VCPU_CNTL, 0, ~(1 << 9)); 427 428 /* put LMI, VCPU, RBC etc... into reset */ 429 WREG32(mmUVD_SOFT_RESET, UVD_SOFT_RESET__LMI_SOFT_RESET_MASK | 430 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | 431 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK); 432 433 WREG32(mmUVD_STATUS, 0); 434 435 uvd_v4_2_set_dcm(adev, false); 436 } 437 438 /** 439 * uvd_v4_2_ring_emit_fence - emit an fence & trap command 440 * 441 * @ring: amdgpu_ring pointer 442 * @fence: fence to emit 443 * 444 * Write a fence and a trap command to the ring. 445 */ 446 static void uvd_v4_2_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 447 unsigned flags) 448 { 449 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 450 451 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0)); 452 amdgpu_ring_write(ring, seq); 453 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0)); 454 amdgpu_ring_write(ring, addr & 0xffffffff); 455 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0)); 456 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff); 457 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0)); 458 amdgpu_ring_write(ring, 0); 459 460 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA0, 0)); 461 amdgpu_ring_write(ring, 0); 462 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_DATA1, 0)); 463 amdgpu_ring_write(ring, 0); 464 amdgpu_ring_write(ring, PACKET0(mmUVD_GPCOM_VCPU_CMD, 0)); 465 amdgpu_ring_write(ring, 2); 466 } 467 468 /** 469 * uvd_v4_2_ring_test_ring - register write test 470 * 471 * @ring: amdgpu_ring pointer 472 * 473 * Test if we can successfully write to the context register 474 */ 475 static int uvd_v4_2_ring_test_ring(struct amdgpu_ring *ring) 476 { 477 struct amdgpu_device *adev = ring->adev; 478 uint32_t tmp = 0; 479 unsigned i; 480 int r; 481 482 WREG32(mmUVD_CONTEXT_ID, 0xCAFEDEAD); 483 r = amdgpu_ring_alloc(ring, 3); 484 if (r) { 485 DRM_ERROR("amdgpu: cp failed to lock ring %d (%d).\n", 486 ring->idx, r); 487 return r; 488 } 489 amdgpu_ring_write(ring, PACKET0(mmUVD_CONTEXT_ID, 0)); 490 amdgpu_ring_write(ring, 0xDEADBEEF); 491 amdgpu_ring_commit(ring); 492 for (i = 0; i < adev->usec_timeout; i++) { 493 tmp = RREG32(mmUVD_CONTEXT_ID); 494 if (tmp == 0xDEADBEEF) 495 break; 496 DRM_UDELAY(1); 497 } 498 499 if (i < adev->usec_timeout) { 500 DRM_DEBUG("ring test on %d succeeded in %d usecs\n", 501 ring->idx, i); 502 } else { 503 DRM_ERROR("amdgpu: ring %d test failed (0x%08X)\n", 504 ring->idx, tmp); 505 r = -EINVAL; 506 } 507 return r; 508 } 509 510 /** 511 * uvd_v4_2_ring_emit_ib - execute indirect buffer 512 * 513 * @ring: amdgpu_ring pointer 514 * @ib: indirect buffer to execute 515 * 516 * Write ring commands to execute the indirect buffer 517 */ 518 static void uvd_v4_2_ring_emit_ib(struct amdgpu_ring *ring, 519 struct amdgpu_ib *ib, 520 unsigned vmid, bool ctx_switch) 521 { 522 amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_BASE, 0)); 523 amdgpu_ring_write(ring, ib->gpu_addr); 524 amdgpu_ring_write(ring, PACKET0(mmUVD_RBC_IB_SIZE, 0)); 525 amdgpu_ring_write(ring, ib->length_dw); 526 } 527 528 static void uvd_v4_2_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) 529 { 530 int i; 531 532 WARN_ON(ring->wptr % 2 || count % 2); 533 534 for (i = 0; i < count / 2; i++) { 535 amdgpu_ring_write(ring, PACKET0(mmUVD_NO_OP, 0)); 536 amdgpu_ring_write(ring, 0); 537 } 538 } 539 540 /** 541 * uvd_v4_2_mc_resume - memory controller programming 542 * 543 * @adev: amdgpu_device pointer 544 * 545 * Let the UVD memory controller know it's offsets 546 */ 547 static void uvd_v4_2_mc_resume(struct amdgpu_device *adev) 548 { 549 uint64_t addr; 550 uint32_t size; 551 552 /* programm the VCPU memory controller bits 0-27 */ 553 addr = (adev->uvd.inst->gpu_addr + AMDGPU_UVD_FIRMWARE_OFFSET) >> 3; 554 size = AMDGPU_UVD_FIRMWARE_SIZE(adev) >> 3; 555 WREG32(mmUVD_VCPU_CACHE_OFFSET0, addr); 556 WREG32(mmUVD_VCPU_CACHE_SIZE0, size); 557 558 addr += size; 559 size = AMDGPU_UVD_HEAP_SIZE >> 3; 560 WREG32(mmUVD_VCPU_CACHE_OFFSET1, addr); 561 WREG32(mmUVD_VCPU_CACHE_SIZE1, size); 562 563 addr += size; 564 size = (AMDGPU_UVD_STACK_SIZE + 565 (AMDGPU_UVD_SESSION_SIZE * adev->uvd.max_handles)) >> 3; 566 WREG32(mmUVD_VCPU_CACHE_OFFSET2, addr); 567 WREG32(mmUVD_VCPU_CACHE_SIZE2, size); 568 569 /* bits 28-31 */ 570 addr = (adev->uvd.inst->gpu_addr >> 28) & 0xF; 571 WREG32(mmUVD_LMI_ADDR_EXT, (addr << 12) | (addr << 0)); 572 573 /* bits 32-39 */ 574 addr = (adev->uvd.inst->gpu_addr >> 32) & 0xFF; 575 WREG32(mmUVD_LMI_EXT40_ADDR, addr | (0x9 << 16) | (0x1 << 31)); 576 577 WREG32(mmUVD_UDEC_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 578 WREG32(mmUVD_UDEC_DB_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 579 WREG32(mmUVD_UDEC_DBW_ADDR_CONFIG, adev->gfx.config.gb_addr_config); 580 } 581 582 static void uvd_v4_2_enable_mgcg(struct amdgpu_device *adev, 583 bool enable) 584 { 585 u32 orig, data; 586 587 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_UVD_MGCG)) { 588 data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL); 589 data |= 0xfff; 590 WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data); 591 592 orig = data = RREG32(mmUVD_CGC_CTRL); 593 data |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK; 594 if (orig != data) 595 WREG32(mmUVD_CGC_CTRL, data); 596 } else { 597 data = RREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL); 598 data &= ~0xfff; 599 WREG32_UVD_CTX(ixUVD_CGC_MEM_CTRL, data); 600 601 orig = data = RREG32(mmUVD_CGC_CTRL); 602 data &= ~UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK; 603 if (orig != data) 604 WREG32(mmUVD_CGC_CTRL, data); 605 } 606 } 607 608 static void uvd_v4_2_set_dcm(struct amdgpu_device *adev, 609 bool sw_mode) 610 { 611 u32 tmp, tmp2; 612 613 WREG32_FIELD(UVD_CGC_GATE, REGS, 0); 614 615 tmp = RREG32(mmUVD_CGC_CTRL); 616 tmp &= ~(UVD_CGC_CTRL__CLK_OFF_DELAY_MASK | UVD_CGC_CTRL__CLK_GATE_DLY_TIMER_MASK); 617 tmp |= UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK | 618 (1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT) | 619 (4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT); 620 621 if (sw_mode) { 622 tmp &= ~0x7ffff800; 623 tmp2 = UVD_CGC_CTRL2__DYN_OCLK_RAMP_EN_MASK | 624 UVD_CGC_CTRL2__DYN_RCLK_RAMP_EN_MASK | 625 (7 << UVD_CGC_CTRL2__GATER_DIV_ID__SHIFT); 626 } else { 627 tmp |= 0x7ffff800; 628 tmp2 = 0; 629 } 630 631 WREG32(mmUVD_CGC_CTRL, tmp); 632 WREG32_UVD_CTX(ixUVD_CGC_CTRL2, tmp2); 633 } 634 635 static bool uvd_v4_2_is_idle(void *handle) 636 { 637 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 638 639 return !(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK); 640 } 641 642 static int uvd_v4_2_wait_for_idle(void *handle) 643 { 644 unsigned i; 645 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 646 647 for (i = 0; i < adev->usec_timeout; i++) { 648 if (!(RREG32(mmSRBM_STATUS) & SRBM_STATUS__UVD_BUSY_MASK)) 649 return 0; 650 } 651 return -ETIMEDOUT; 652 } 653 654 static int uvd_v4_2_soft_reset(void *handle) 655 { 656 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 657 658 uvd_v4_2_stop(adev); 659 660 WREG32_P(mmSRBM_SOFT_RESET, SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK, 661 ~SRBM_SOFT_RESET__SOFT_RESET_UVD_MASK); 662 mdelay(5); 663 664 return uvd_v4_2_start(adev); 665 } 666 667 static int uvd_v4_2_set_interrupt_state(struct amdgpu_device *adev, 668 struct amdgpu_irq_src *source, 669 unsigned type, 670 enum amdgpu_interrupt_state state) 671 { 672 // TODO 673 return 0; 674 } 675 676 static int uvd_v4_2_process_interrupt(struct amdgpu_device *adev, 677 struct amdgpu_irq_src *source, 678 struct amdgpu_iv_entry *entry) 679 { 680 DRM_DEBUG("IH: UVD TRAP\n"); 681 amdgpu_fence_process(&adev->uvd.inst->ring); 682 return 0; 683 } 684 685 static int uvd_v4_2_set_clockgating_state(void *handle, 686 enum amd_clockgating_state state) 687 { 688 return 0; 689 } 690 691 static int uvd_v4_2_set_powergating_state(void *handle, 692 enum amd_powergating_state state) 693 { 694 /* This doesn't actually powergate the UVD block. 695 * That's done in the dpm code via the SMC. This 696 * just re-inits the block as necessary. The actual 697 * gating still happens in the dpm code. We should 698 * revisit this when there is a cleaner line between 699 * the smc and the hw blocks 700 */ 701 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 702 703 if (state == AMD_PG_STATE_GATE) { 704 uvd_v4_2_stop(adev); 705 if (adev->pg_flags & AMD_PG_SUPPORT_UVD && !adev->pm.dpm_enabled) { 706 if (!(RREG32_SMC(ixCURRENT_PG_STATUS) & 707 CURRENT_PG_STATUS__UVD_PG_STATUS_MASK)) { 708 WREG32(mmUVD_PGFSM_CONFIG, (UVD_PGFSM_CONFIG__UVD_PGFSM_FSM_ADDR_MASK | 709 UVD_PGFSM_CONFIG__UVD_PGFSM_POWER_DOWN_MASK | 710 UVD_PGFSM_CONFIG__UVD_PGFSM_P1_SELECT_MASK)); 711 mdelay(20); 712 } 713 } 714 return 0; 715 } else { 716 if (adev->pg_flags & AMD_PG_SUPPORT_UVD && !adev->pm.dpm_enabled) { 717 if (RREG32_SMC(ixCURRENT_PG_STATUS) & 718 CURRENT_PG_STATUS__UVD_PG_STATUS_MASK) { 719 WREG32(mmUVD_PGFSM_CONFIG, (UVD_PGFSM_CONFIG__UVD_PGFSM_FSM_ADDR_MASK | 720 UVD_PGFSM_CONFIG__UVD_PGFSM_POWER_UP_MASK | 721 UVD_PGFSM_CONFIG__UVD_PGFSM_P1_SELECT_MASK)); 722 mdelay(30); 723 } 724 } 725 return uvd_v4_2_start(adev); 726 } 727 } 728 729 static const struct amd_ip_funcs uvd_v4_2_ip_funcs = { 730 .name = "uvd_v4_2", 731 .early_init = uvd_v4_2_early_init, 732 .late_init = NULL, 733 .sw_init = uvd_v4_2_sw_init, 734 .sw_fini = uvd_v4_2_sw_fini, 735 .hw_init = uvd_v4_2_hw_init, 736 .hw_fini = uvd_v4_2_hw_fini, 737 .suspend = uvd_v4_2_suspend, 738 .resume = uvd_v4_2_resume, 739 .is_idle = uvd_v4_2_is_idle, 740 .wait_for_idle = uvd_v4_2_wait_for_idle, 741 .soft_reset = uvd_v4_2_soft_reset, 742 .set_clockgating_state = uvd_v4_2_set_clockgating_state, 743 .set_powergating_state = uvd_v4_2_set_powergating_state, 744 }; 745 746 static const struct amdgpu_ring_funcs uvd_v4_2_ring_funcs = { 747 .type = AMDGPU_RING_TYPE_UVD, 748 .align_mask = 0xf, 749 .support_64bit_ptrs = false, 750 .get_rptr = uvd_v4_2_ring_get_rptr, 751 .get_wptr = uvd_v4_2_ring_get_wptr, 752 .set_wptr = uvd_v4_2_ring_set_wptr, 753 .parse_cs = amdgpu_uvd_ring_parse_cs, 754 .emit_frame_size = 755 14, /* uvd_v4_2_ring_emit_fence x1 no user fence */ 756 .emit_ib_size = 4, /* uvd_v4_2_ring_emit_ib */ 757 .emit_ib = uvd_v4_2_ring_emit_ib, 758 .emit_fence = uvd_v4_2_ring_emit_fence, 759 .test_ring = uvd_v4_2_ring_test_ring, 760 .test_ib = amdgpu_uvd_ring_test_ib, 761 .insert_nop = uvd_v4_2_ring_insert_nop, 762 .pad_ib = amdgpu_ring_generic_pad_ib, 763 .begin_use = amdgpu_uvd_ring_begin_use, 764 .end_use = amdgpu_uvd_ring_end_use, 765 }; 766 767 static void uvd_v4_2_set_ring_funcs(struct amdgpu_device *adev) 768 { 769 adev->uvd.inst->ring.funcs = &uvd_v4_2_ring_funcs; 770 } 771 772 static const struct amdgpu_irq_src_funcs uvd_v4_2_irq_funcs = { 773 .set = uvd_v4_2_set_interrupt_state, 774 .process = uvd_v4_2_process_interrupt, 775 }; 776 777 static void uvd_v4_2_set_irq_funcs(struct amdgpu_device *adev) 778 { 779 adev->uvd.inst->irq.num_types = 1; 780 adev->uvd.inst->irq.funcs = &uvd_v4_2_irq_funcs; 781 } 782 783 const struct amdgpu_ip_block_version uvd_v4_2_ip_block = 784 { 785 .type = AMD_IP_BLOCK_TYPE_UVD, 786 .major = 4, 787 .minor = 2, 788 .rev = 0, 789 .funcs = &uvd_v4_2_ip_funcs, 790 }; 791