1/* 2 * Copyright 2021 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 */ 23 24#include "amdgpu.h" 25#include "amdgpu_jpeg.h" 26#include "amdgpu_pm.h" 27#include "soc15.h" 28#include "soc15d.h" 29#include "jpeg_v2_0.h" 30#include "jpeg_v4_0.h" 31#include "mmsch_v4_0.h" 32 33#include "vcn/vcn_4_0_0_offset.h" 34#include "vcn/vcn_4_0_0_sh_mask.h" 35#include "ivsrcid/vcn/irqsrcs_vcn_4_0.h" 36 37#define regUVD_JPEG_PITCH_INTERNAL_OFFSET 0x401f 38 39static int jpeg_v4_0_start_sriov(struct amdgpu_device *adev); 40static void jpeg_v4_0_set_dec_ring_funcs(struct amdgpu_device *adev); 41static void jpeg_v4_0_set_irq_funcs(struct amdgpu_device *adev); 42static int jpeg_v4_0_set_powergating_state(void *handle, 43 enum amd_powergating_state state); 44static void jpeg_v4_0_set_ras_funcs(struct amdgpu_device *adev); 45 46static void jpeg_v4_0_dec_ring_set_wptr(struct amdgpu_ring *ring); 47 48/** 49 * jpeg_v4_0_early_init - set function pointers 50 * 51 * @handle: amdgpu_device pointer 52 * 53 * Set ring and irq function pointers 54 */ 55static int jpeg_v4_0_early_init(void *handle) 56{ 57 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 58 59 60 adev->jpeg.num_jpeg_inst = 1; 61 adev->jpeg.num_jpeg_rings = 1; 62 63 jpeg_v4_0_set_dec_ring_funcs(adev); 64 jpeg_v4_0_set_irq_funcs(adev); 65 jpeg_v4_0_set_ras_funcs(adev); 66 67 return 0; 68} 69 70/** 71 * jpeg_v4_0_sw_init - sw init for JPEG block 72 * 73 * @handle: amdgpu_device pointer 74 * 75 * Load firmware and sw initialization 76 */ 77static int jpeg_v4_0_sw_init(void *handle) 78{ 79 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 80 struct amdgpu_ring *ring; 81 int r; 82 83 /* JPEG TRAP */ 84 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, 85 VCN_4_0__SRCID__JPEG_DECODE, &adev->jpeg.inst->irq); 86 if (r) 87 return r; 88 89 /* JPEG DJPEG POISON EVENT */ 90 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, 91 VCN_4_0__SRCID_DJPEG0_POISON, &adev->jpeg.inst->ras_poison_irq); 92 if (r) 93 return r; 94 95 /* JPEG EJPEG POISON EVENT */ 96 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, 97 VCN_4_0__SRCID_EJPEG0_POISON, &adev->jpeg.inst->ras_poison_irq); 98 if (r) 99 return r; 100 101 r = amdgpu_jpeg_sw_init(adev); 102 if (r) 103 return r; 104 105 r = amdgpu_jpeg_resume(adev); 106 if (r) 107 return r; 108 109 ring = adev->jpeg.inst->ring_dec; 110 ring->use_doorbell = true; 111 ring->doorbell_index = amdgpu_sriov_vf(adev) ? (((adev->doorbell_index.vcn.vcn_ring0_1) << 1) + 4) : ((adev->doorbell_index.vcn.vcn_ring0_1 << 1) + 1); 112 ring->vm_hub = AMDGPU_MMHUB0(0); 113 114 sprintf(ring->name, "jpeg_dec"); 115 r = amdgpu_ring_init(adev, ring, 512, &adev->jpeg.inst->irq, 0, 116 AMDGPU_RING_PRIO_DEFAULT, NULL); 117 if (r) 118 return r; 119 120 adev->jpeg.internal.jpeg_pitch[0] = regUVD_JPEG_PITCH_INTERNAL_OFFSET; 121 adev->jpeg.inst->external.jpeg_pitch[0] = SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_PITCH); 122 123 r = amdgpu_jpeg_ras_sw_init(adev); 124 if (r) 125 return r; 126 127 return 0; 128} 129 130/** 131 * jpeg_v4_0_sw_fini - sw fini for JPEG block 132 * 133 * @handle: amdgpu_device pointer 134 * 135 * JPEG suspend and free up sw allocation 136 */ 137static int jpeg_v4_0_sw_fini(void *handle) 138{ 139 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 140 int r; 141 142 r = amdgpu_jpeg_suspend(adev); 143 if (r) 144 return r; 145 146 r = amdgpu_jpeg_sw_fini(adev); 147 148 return r; 149} 150 151/** 152 * jpeg_v4_0_hw_init - start and test JPEG block 153 * 154 * @handle: amdgpu_device pointer 155 * 156 */ 157static int jpeg_v4_0_hw_init(void *handle) 158{ 159 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 160 struct amdgpu_ring *ring = adev->jpeg.inst->ring_dec; 161 int r; 162 163 if (amdgpu_sriov_vf(adev)) { 164 r = jpeg_v4_0_start_sriov(adev); 165 if (r) 166 return r; 167 ring->wptr = 0; 168 ring->wptr_old = 0; 169 jpeg_v4_0_dec_ring_set_wptr(ring); 170 ring->sched.ready = true; 171 } else { 172 adev->nbio.funcs->vcn_doorbell_range(adev, ring->use_doorbell, 173 (adev->doorbell_index.vcn.vcn_ring0_1 << 1), 0); 174 175 WREG32_SOC15(VCN, 0, regVCN_JPEG_DB_CTRL, 176 ring->doorbell_index << VCN_JPEG_DB_CTRL__OFFSET__SHIFT | 177 VCN_JPEG_DB_CTRL__EN_MASK); 178 179 r = amdgpu_ring_test_helper(ring); 180 if (r) 181 return r; 182 } 183 184 DRM_DEV_INFO(adev->dev, "JPEG decode initialized successfully.\n"); 185 186 return 0; 187} 188 189/** 190 * jpeg_v4_0_hw_fini - stop the hardware block 191 * 192 * @handle: amdgpu_device pointer 193 * 194 * Stop the JPEG block, mark ring as not ready any more 195 */ 196static int jpeg_v4_0_hw_fini(void *handle) 197{ 198 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 199 200 cancel_delayed_work_sync(&adev->vcn.idle_work); 201 if (!amdgpu_sriov_vf(adev)) { 202 if (adev->jpeg.cur_state != AMD_PG_STATE_GATE && 203 RREG32_SOC15(JPEG, 0, regUVD_JRBC_STATUS)) 204 jpeg_v4_0_set_powergating_state(adev, AMD_PG_STATE_GATE); 205 } 206 if (amdgpu_ras_is_supported(adev, AMDGPU_RAS_BLOCK__JPEG)) 207 amdgpu_irq_put(adev, &adev->jpeg.inst->ras_poison_irq, 0); 208 209 return 0; 210} 211 212/** 213 * jpeg_v4_0_suspend - suspend JPEG block 214 * 215 * @handle: amdgpu_device pointer 216 * 217 * HW fini and suspend JPEG block 218 */ 219static int jpeg_v4_0_suspend(void *handle) 220{ 221 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 222 int r; 223 224 r = jpeg_v4_0_hw_fini(adev); 225 if (r) 226 return r; 227 228 r = amdgpu_jpeg_suspend(adev); 229 230 return r; 231} 232 233/** 234 * jpeg_v4_0_resume - resume JPEG block 235 * 236 * @handle: amdgpu_device pointer 237 * 238 * Resume firmware and hw init JPEG block 239 */ 240static int jpeg_v4_0_resume(void *handle) 241{ 242 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 243 int r; 244 245 r = amdgpu_jpeg_resume(adev); 246 if (r) 247 return r; 248 249 r = jpeg_v4_0_hw_init(adev); 250 251 return r; 252} 253 254static void jpeg_v4_0_disable_clock_gating(struct amdgpu_device *adev) 255{ 256 uint32_t data = 0; 257 258 data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_CTRL); 259 if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG) { 260 data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; 261 data &= (~JPEG_CGC_CTRL__JPEG_DEC_MODE_MASK); 262 } else { 263 data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; 264 } 265 266 data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT; 267 data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT; 268 WREG32_SOC15(JPEG, 0, regJPEG_CGC_CTRL, data); 269 270 data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE); 271 data &= ~(JPEG_CGC_GATE__JPEG_DEC_MASK 272 | JPEG_CGC_GATE__JPEG2_DEC_MASK 273 | JPEG_CGC_GATE__JMCIF_MASK 274 | JPEG_CGC_GATE__JRBBM_MASK); 275 WREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE, data); 276} 277 278static void jpeg_v4_0_enable_clock_gating(struct amdgpu_device *adev) 279{ 280 uint32_t data = 0; 281 282 data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_CTRL); 283 if (adev->cg_flags & AMD_CG_SUPPORT_JPEG_MGCG) { 284 data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; 285 data |= JPEG_CGC_CTRL__JPEG_DEC_MODE_MASK; 286 } else { 287 data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; 288 } 289 290 data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT; 291 data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT; 292 WREG32_SOC15(JPEG, 0, regJPEG_CGC_CTRL, data); 293 294 data = RREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE); 295 data |= (JPEG_CGC_GATE__JPEG_DEC_MASK 296 |JPEG_CGC_GATE__JPEG2_DEC_MASK 297 |JPEG_CGC_GATE__JMCIF_MASK 298 |JPEG_CGC_GATE__JRBBM_MASK); 299 WREG32_SOC15(JPEG, 0, regJPEG_CGC_GATE, data); 300} 301 302static int jpeg_v4_0_disable_static_power_gating(struct amdgpu_device *adev) 303{ 304 if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) { 305 uint32_t data = 0; 306 int r = 0; 307 308 data = 1 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT; 309 WREG32(SOC15_REG_OFFSET(JPEG, 0, regUVD_PGFSM_CONFIG), data); 310 311 r = SOC15_WAIT_ON_RREG(JPEG, 0, 312 regUVD_PGFSM_STATUS, UVD_PGFSM_STATUS_UVDJ_PWR_ON, 313 UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK); 314 315 if (r) { 316 DRM_DEV_ERROR(adev->dev, "amdgpu: JPEG disable power gating failed\n"); 317 return r; 318 } 319 } 320 321 /* disable anti hang mechanism */ 322 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_POWER_STATUS), 0, 323 ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK); 324 325 /* keep the JPEG in static PG mode */ 326 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_POWER_STATUS), 0, 327 ~UVD_JPEG_POWER_STATUS__JPEG_PG_MODE_MASK); 328 329 return 0; 330} 331 332static int jpeg_v4_0_enable_static_power_gating(struct amdgpu_device *adev) 333{ 334 /* enable anti hang mechanism */ 335 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JPEG_POWER_STATUS), 336 UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK, 337 ~UVD_JPEG_POWER_STATUS__JPEG_POWER_STATUS_MASK); 338 339 if (adev->pg_flags & AMD_PG_SUPPORT_JPEG) { 340 uint32_t data = 0; 341 int r = 0; 342 343 data = 2 << UVD_PGFSM_CONFIG__UVDJ_PWR_CONFIG__SHIFT; 344 WREG32(SOC15_REG_OFFSET(JPEG, 0, regUVD_PGFSM_CONFIG), data); 345 346 r = SOC15_WAIT_ON_RREG(JPEG, 0, regUVD_PGFSM_STATUS, 347 (2 << UVD_PGFSM_STATUS__UVDJ_PWR_STATUS__SHIFT), 348 UVD_PGFSM_STATUS__UVDJ_PWR_STATUS_MASK); 349 350 if (r) { 351 DRM_DEV_ERROR(adev->dev, "amdgpu: JPEG enable power gating failed\n"); 352 return r; 353 } 354 } 355 356 return 0; 357} 358 359/** 360 * jpeg_v4_0_start - start JPEG block 361 * 362 * @adev: amdgpu_device pointer 363 * 364 * Setup and start the JPEG block 365 */ 366static int jpeg_v4_0_start(struct amdgpu_device *adev) 367{ 368 struct amdgpu_ring *ring = adev->jpeg.inst->ring_dec; 369 int r; 370 371 if (adev->pm.dpm_enabled) 372 amdgpu_dpm_enable_jpeg(adev, true); 373 374 /* disable power gating */ 375 r = jpeg_v4_0_disable_static_power_gating(adev); 376 if (r) 377 return r; 378 379 /* JPEG disable CGC */ 380 jpeg_v4_0_disable_clock_gating(adev); 381 382 /* MJPEG global tiling registers */ 383 WREG32_SOC15(JPEG, 0, regJPEG_DEC_GFX10_ADDR_CONFIG, 384 adev->gfx.config.gb_addr_config); 385 386 387 /* enable JMI channel */ 388 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JMI_CNTL), 0, 389 ~UVD_JMI_CNTL__SOFT_RESET_MASK); 390 391 /* enable System Interrupt for JRBC */ 392 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regJPEG_SYS_INT_EN), 393 JPEG_SYS_INT_EN__DJRBC_MASK, 394 ~JPEG_SYS_INT_EN__DJRBC_MASK); 395 396 WREG32_SOC15(JPEG, 0, regUVD_LMI_JRBC_RB_VMID, 0); 397 WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_CNTL, (0x00000001L | 0x00000002L)); 398 WREG32_SOC15(JPEG, 0, regUVD_LMI_JRBC_RB_64BIT_BAR_LOW, 399 lower_32_bits(ring->gpu_addr)); 400 WREG32_SOC15(JPEG, 0, regUVD_LMI_JRBC_RB_64BIT_BAR_HIGH, 401 upper_32_bits(ring->gpu_addr)); 402 WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_RPTR, 0); 403 WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR, 0); 404 WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_CNTL, 0x00000002L); 405 WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_SIZE, ring->ring_size / 4); 406 ring->wptr = RREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR); 407 408 return 0; 409} 410 411static int jpeg_v4_0_start_sriov(struct amdgpu_device *adev) 412{ 413 struct amdgpu_ring *ring; 414 uint64_t ctx_addr; 415 uint32_t param, resp, expected; 416 uint32_t tmp, timeout; 417 418 struct amdgpu_mm_table *table = &adev->virt.mm_table; 419 uint32_t *table_loc; 420 uint32_t table_size; 421 uint32_t size, size_dw; 422 uint32_t init_status; 423 424 struct mmsch_v4_0_cmd_direct_write 425 direct_wt = { {0} }; 426 struct mmsch_v4_0_cmd_end end = { {0} }; 427 struct mmsch_v4_0_init_header header; 428 429 direct_wt.cmd_header.command_type = 430 MMSCH_COMMAND__DIRECT_REG_WRITE; 431 end.cmd_header.command_type = 432 MMSCH_COMMAND__END; 433 434 size = sizeof(struct mmsch_v4_0_init_header); 435 table_loc = (uint32_t *)table->cpu_addr; 436 memcpy(&header, (void *)table_loc, size); 437 438 header.version = MMSCH_VERSION; 439 header.total_size = RREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_SIZE); 440 441 header.jpegdec.init_status = 0; 442 header.jpegdec.table_offset = 0; 443 header.jpegdec.table_size = 0; 444 445 table_loc = (uint32_t *)table->cpu_addr; 446 table_loc += header.total_size; 447 448 table_size = 0; 449 450 ring = adev->jpeg.inst->ring_dec; 451 452 MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(JPEG, 0, 453 regUVD_LMI_JRBC_RB_64BIT_BAR_LOW), 454 lower_32_bits(ring->gpu_addr)); 455 MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(JPEG, 0, 456 regUVD_LMI_JRBC_RB_64BIT_BAR_HIGH), 457 upper_32_bits(ring->gpu_addr)); 458 MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(JPEG, 0, 459 regUVD_JRBC_RB_SIZE), ring->ring_size / 4); 460 461 /* add end packet */ 462 MMSCH_V4_0_INSERT_END(); 463 464 /* refine header */ 465 header.jpegdec.init_status = 0; 466 header.jpegdec.table_offset = header.total_size; 467 header.jpegdec.table_size = table_size; 468 header.total_size += table_size; 469 470 /* Update init table header in memory */ 471 size = sizeof(struct mmsch_v4_0_init_header); 472 table_loc = (uint32_t *)table->cpu_addr; 473 memcpy((void *)table_loc, &header, size); 474 475 /* Perform HDP flush before writing to MMSCH registers */ 476 amdgpu_device_flush_hdp(adev, NULL); 477 478 /* message MMSCH (in VCN[0]) to initialize this client 479 * 1, write to mmsch_vf_ctx_addr_lo/hi register with GPU mc addr 480 * of memory descriptor location 481 */ 482 ctx_addr = table->gpu_addr; 483 WREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_ADDR_LO, lower_32_bits(ctx_addr)); 484 WREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_ADDR_HI, upper_32_bits(ctx_addr)); 485 486 /* 2, update vmid of descriptor */ 487 tmp = RREG32_SOC15(VCN, 0, regMMSCH_VF_VMID); 488 tmp &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK; 489 /* use domain0 for MM scheduler */ 490 tmp |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT); 491 WREG32_SOC15(VCN, 0, regMMSCH_VF_VMID, tmp); 492 493 /* 3, notify mmsch about the size of this descriptor */ 494 size = header.total_size; 495 WREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_SIZE, size); 496 497 /* 4, set resp to zero */ 498 WREG32_SOC15(VCN, 0, regMMSCH_VF_MAILBOX_RESP, 0); 499 500 /* 5, kick off the initialization and wait until 501 * MMSCH_VF_MAILBOX_RESP becomes non-zero 502 */ 503 param = 0x00000001; 504 WREG32_SOC15(VCN, 0, regMMSCH_VF_MAILBOX_HOST, param); 505 tmp = 0; 506 timeout = 1000; 507 resp = 0; 508 expected = MMSCH_VF_MAILBOX_RESP__OK; 509 init_status = ((struct mmsch_v4_0_init_header *)(table_loc))->jpegdec.init_status; 510 while (resp != expected) { 511 resp = RREG32_SOC15(VCN, 0, regMMSCH_VF_MAILBOX_RESP); 512 513 if (resp != 0) 514 break; 515 udelay(10); 516 tmp = tmp + 10; 517 if (tmp >= timeout) { 518 DRM_ERROR("failed to init MMSCH. TIME-OUT after %d usec"\ 519 " waiting for regMMSCH_VF_MAILBOX_RESP "\ 520 "(expected=0x%08x, readback=0x%08x)\n", 521 tmp, expected, resp); 522 return -EBUSY; 523 } 524 } 525 if (resp != expected && resp != MMSCH_VF_MAILBOX_RESP__INCOMPLETE 526 && init_status != MMSCH_VF_ENGINE_STATUS__PASS) { 527 DRM_ERROR("MMSCH init status is incorrect! readback=0x%08x, header init status for jpeg: %x\n", resp, init_status); 528 return -EINVAL; 529 } 530 531 return 0; 532 533} 534 535/** 536 * jpeg_v4_0_stop - stop JPEG block 537 * 538 * @adev: amdgpu_device pointer 539 * 540 * stop the JPEG block 541 */ 542static int jpeg_v4_0_stop(struct amdgpu_device *adev) 543{ 544 int r; 545 546 /* reset JMI */ 547 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JMI_CNTL), 548 UVD_JMI_CNTL__SOFT_RESET_MASK, 549 ~UVD_JMI_CNTL__SOFT_RESET_MASK); 550 551 jpeg_v4_0_enable_clock_gating(adev); 552 553 /* enable power gating */ 554 r = jpeg_v4_0_enable_static_power_gating(adev); 555 if (r) 556 return r; 557 558 if (adev->pm.dpm_enabled) 559 amdgpu_dpm_enable_jpeg(adev, false); 560 561 return 0; 562} 563 564/** 565 * jpeg_v4_0_dec_ring_get_rptr - get read pointer 566 * 567 * @ring: amdgpu_ring pointer 568 * 569 * Returns the current hardware read pointer 570 */ 571static uint64_t jpeg_v4_0_dec_ring_get_rptr(struct amdgpu_ring *ring) 572{ 573 struct amdgpu_device *adev = ring->adev; 574 575 return RREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_RPTR); 576} 577 578/** 579 * jpeg_v4_0_dec_ring_get_wptr - get write pointer 580 * 581 * @ring: amdgpu_ring pointer 582 * 583 * Returns the current hardware write pointer 584 */ 585static uint64_t jpeg_v4_0_dec_ring_get_wptr(struct amdgpu_ring *ring) 586{ 587 struct amdgpu_device *adev = ring->adev; 588 589 if (ring->use_doorbell) 590 return *ring->wptr_cpu_addr; 591 else 592 return RREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR); 593} 594 595/** 596 * jpeg_v4_0_dec_ring_set_wptr - set write pointer 597 * 598 * @ring: amdgpu_ring pointer 599 * 600 * Commits the write pointer to the hardware 601 */ 602static void jpeg_v4_0_dec_ring_set_wptr(struct amdgpu_ring *ring) 603{ 604 struct amdgpu_device *adev = ring->adev; 605 606 if (ring->use_doorbell) { 607 *ring->wptr_cpu_addr = lower_32_bits(ring->wptr); 608 WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr)); 609 } else { 610 WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr)); 611 } 612} 613 614static bool jpeg_v4_0_is_idle(void *handle) 615{ 616 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 617 int ret = 1; 618 619 ret &= (((RREG32_SOC15(JPEG, 0, regUVD_JRBC_STATUS) & 620 UVD_JRBC_STATUS__RB_JOB_DONE_MASK) == 621 UVD_JRBC_STATUS__RB_JOB_DONE_MASK)); 622 623 return ret; 624} 625 626static int jpeg_v4_0_wait_for_idle(void *handle) 627{ 628 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 629 630 return SOC15_WAIT_ON_RREG(JPEG, 0, regUVD_JRBC_STATUS, 631 UVD_JRBC_STATUS__RB_JOB_DONE_MASK, 632 UVD_JRBC_STATUS__RB_JOB_DONE_MASK); 633} 634 635static int jpeg_v4_0_set_clockgating_state(void *handle, 636 enum amd_clockgating_state state) 637{ 638 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 639 bool enable = state == AMD_CG_STATE_GATE; 640 641 if (enable) { 642 if (!jpeg_v4_0_is_idle(handle)) 643 return -EBUSY; 644 jpeg_v4_0_enable_clock_gating(adev); 645 } else { 646 jpeg_v4_0_disable_clock_gating(adev); 647 } 648 649 return 0; 650} 651 652static int jpeg_v4_0_set_powergating_state(void *handle, 653 enum amd_powergating_state state) 654{ 655 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 656 int ret; 657 658 if (amdgpu_sriov_vf(adev)) { 659 adev->jpeg.cur_state = AMD_PG_STATE_UNGATE; 660 return 0; 661 } 662 663 if (state == adev->jpeg.cur_state) 664 return 0; 665 666 if (state == AMD_PG_STATE_GATE) 667 ret = jpeg_v4_0_stop(adev); 668 else 669 ret = jpeg_v4_0_start(adev); 670 671 if (!ret) 672 adev->jpeg.cur_state = state; 673 674 return ret; 675} 676 677static int jpeg_v4_0_set_ras_interrupt_state(struct amdgpu_device *adev, 678 struct amdgpu_irq_src *source, 679 unsigned int type, 680 enum amdgpu_interrupt_state state) 681{ 682 return 0; 683} 684 685static int jpeg_v4_0_process_interrupt(struct amdgpu_device *adev, 686 struct amdgpu_irq_src *source, 687 struct amdgpu_iv_entry *entry) 688{ 689 DRM_DEBUG("IH: JPEG TRAP\n"); 690 691 switch (entry->src_id) { 692 case VCN_4_0__SRCID__JPEG_DECODE: 693 amdgpu_fence_process(adev->jpeg.inst->ring_dec); 694 break; 695 default: 696 DRM_DEV_ERROR(adev->dev, "Unhandled interrupt: %d %d\n", 697 entry->src_id, entry->src_data[0]); 698 break; 699 } 700 701 return 0; 702} 703 704static const struct amd_ip_funcs jpeg_v4_0_ip_funcs = { 705 .name = "jpeg_v4_0", 706 .early_init = jpeg_v4_0_early_init, 707 .late_init = NULL, 708 .sw_init = jpeg_v4_0_sw_init, 709 .sw_fini = jpeg_v4_0_sw_fini, 710 .hw_init = jpeg_v4_0_hw_init, 711 .hw_fini = jpeg_v4_0_hw_fini, 712 .suspend = jpeg_v4_0_suspend, 713 .resume = jpeg_v4_0_resume, 714 .is_idle = jpeg_v4_0_is_idle, 715 .wait_for_idle = jpeg_v4_0_wait_for_idle, 716 .check_soft_reset = NULL, 717 .pre_soft_reset = NULL, 718 .soft_reset = NULL, 719 .post_soft_reset = NULL, 720 .set_clockgating_state = jpeg_v4_0_set_clockgating_state, 721 .set_powergating_state = jpeg_v4_0_set_powergating_state, 722}; 723 724static const struct amdgpu_ring_funcs jpeg_v4_0_dec_ring_vm_funcs = { 725 .type = AMDGPU_RING_TYPE_VCN_JPEG, 726 .align_mask = 0xf, 727 .get_rptr = jpeg_v4_0_dec_ring_get_rptr, 728 .get_wptr = jpeg_v4_0_dec_ring_get_wptr, 729 .set_wptr = jpeg_v4_0_dec_ring_set_wptr, 730 .emit_frame_size = 731 SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 + 732 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 + 733 8 + /* jpeg_v4_0_dec_ring_emit_vm_flush */ 734 18 + 18 + /* jpeg_v4_0_dec_ring_emit_fence x2 vm fence */ 735 8 + 16, 736 .emit_ib_size = 22, /* jpeg_v4_0_dec_ring_emit_ib */ 737 .emit_ib = jpeg_v2_0_dec_ring_emit_ib, 738 .emit_fence = jpeg_v2_0_dec_ring_emit_fence, 739 .emit_vm_flush = jpeg_v2_0_dec_ring_emit_vm_flush, 740 .test_ring = amdgpu_jpeg_dec_ring_test_ring, 741 .test_ib = amdgpu_jpeg_dec_ring_test_ib, 742 .insert_nop = jpeg_v2_0_dec_ring_nop, 743 .insert_start = jpeg_v2_0_dec_ring_insert_start, 744 .insert_end = jpeg_v2_0_dec_ring_insert_end, 745 .pad_ib = amdgpu_ring_generic_pad_ib, 746 .begin_use = amdgpu_jpeg_ring_begin_use, 747 .end_use = amdgpu_jpeg_ring_end_use, 748 .emit_wreg = jpeg_v2_0_dec_ring_emit_wreg, 749 .emit_reg_wait = jpeg_v2_0_dec_ring_emit_reg_wait, 750 .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper, 751}; 752 753static void jpeg_v4_0_set_dec_ring_funcs(struct amdgpu_device *adev) 754{ 755 adev->jpeg.inst->ring_dec->funcs = &jpeg_v4_0_dec_ring_vm_funcs; 756 DRM_DEV_INFO(adev->dev, "JPEG decode is enabled in VM mode\n"); 757} 758 759static const struct amdgpu_irq_src_funcs jpeg_v4_0_irq_funcs = { 760 .process = jpeg_v4_0_process_interrupt, 761}; 762 763static const struct amdgpu_irq_src_funcs jpeg_v4_0_ras_irq_funcs = { 764 .set = jpeg_v4_0_set_ras_interrupt_state, 765 .process = amdgpu_jpeg_process_poison_irq, 766}; 767 768static void jpeg_v4_0_set_irq_funcs(struct amdgpu_device *adev) 769{ 770 adev->jpeg.inst->irq.num_types = 1; 771 adev->jpeg.inst->irq.funcs = &jpeg_v4_0_irq_funcs; 772 773 adev->jpeg.inst->ras_poison_irq.num_types = 1; 774 adev->jpeg.inst->ras_poison_irq.funcs = &jpeg_v4_0_ras_irq_funcs; 775} 776 777const struct amdgpu_ip_block_version jpeg_v4_0_ip_block = { 778 .type = AMD_IP_BLOCK_TYPE_JPEG, 779 .major = 4, 780 .minor = 0, 781 .rev = 0, 782 .funcs = &jpeg_v4_0_ip_funcs, 783}; 784 785static uint32_t jpeg_v4_0_query_poison_by_instance(struct amdgpu_device *adev, 786 uint32_t instance, uint32_t sub_block) 787{ 788 uint32_t poison_stat = 0, reg_value = 0; 789 790 switch (sub_block) { 791 case AMDGPU_JPEG_V4_0_JPEG0: 792 reg_value = RREG32_SOC15(JPEG, instance, regUVD_RAS_JPEG0_STATUS); 793 poison_stat = REG_GET_FIELD(reg_value, UVD_RAS_JPEG0_STATUS, POISONED_PF); 794 break; 795 case AMDGPU_JPEG_V4_0_JPEG1: 796 reg_value = RREG32_SOC15(JPEG, instance, regUVD_RAS_JPEG1_STATUS); 797 poison_stat = REG_GET_FIELD(reg_value, UVD_RAS_JPEG1_STATUS, POISONED_PF); 798 break; 799 default: 800 break; 801 } 802 803 if (poison_stat) 804 dev_info(adev->dev, "Poison detected in JPEG%d sub_block%d\n", 805 instance, sub_block); 806 807 return poison_stat; 808} 809 810static bool jpeg_v4_0_query_ras_poison_status(struct amdgpu_device *adev) 811{ 812 uint32_t inst = 0, sub = 0, poison_stat = 0; 813 814 for (inst = 0; inst < adev->jpeg.num_jpeg_inst; inst++) 815 for (sub = 0; sub < AMDGPU_JPEG_V4_0_MAX_SUB_BLOCK; sub++) 816 poison_stat += 817 jpeg_v4_0_query_poison_by_instance(adev, inst, sub); 818 819 return !!poison_stat; 820} 821 822const struct amdgpu_ras_block_hw_ops jpeg_v4_0_ras_hw_ops = { 823 .query_poison_status = jpeg_v4_0_query_ras_poison_status, 824}; 825 826static struct amdgpu_jpeg_ras jpeg_v4_0_ras = { 827 .ras_block = { 828 .hw_ops = &jpeg_v4_0_ras_hw_ops, 829 .ras_late_init = amdgpu_jpeg_ras_late_init, 830 }, 831}; 832 833static void jpeg_v4_0_set_ras_funcs(struct amdgpu_device *adev) 834{ 835 switch (amdgpu_ip_version(adev, JPEG_HWIP, 0)) { 836 case IP_VERSION(4, 0, 0): 837 adev->jpeg.ras = &jpeg_v4_0_ras; 838 break; 839 default: 840 break; 841 } 842} 843