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 39 static int jpeg_v4_0_start_sriov(struct amdgpu_device *adev); 40 static void jpeg_v4_0_set_dec_ring_funcs(struct amdgpu_device *adev); 41 static void jpeg_v4_0_set_irq_funcs(struct amdgpu_device *adev); 42 static int jpeg_v4_0_set_powergating_state(void *handle, 43 enum amd_powergating_state state); 44 static void jpeg_v4_0_set_ras_funcs(struct amdgpu_device *adev); 45 46 static 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 */ 55 static 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 */ 77 static 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 */ 137 static 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 */ 157 static 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 */ 196 static 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 */ 219 static 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 */ 240 static 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 } 253 254 static 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 } 277 278 static 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 } 301 302 static 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 } 331 332 static 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 */ 366 static 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 } 410 411 static 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 header.version = MMSCH_VERSION; 435 header.total_size = RREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_SIZE); 436 437 header.jpegdec.init_status = 0; 438 header.jpegdec.table_offset = 0; 439 header.jpegdec.table_size = 0; 440 441 table_loc = (uint32_t *)table->cpu_addr; 442 table_loc += header.total_size; 443 444 table_size = 0; 445 446 ring = adev->jpeg.inst->ring_dec; 447 448 MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(JPEG, 0, 449 regUVD_LMI_JRBC_RB_64BIT_BAR_LOW), 450 lower_32_bits(ring->gpu_addr)); 451 MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(JPEG, 0, 452 regUVD_LMI_JRBC_RB_64BIT_BAR_HIGH), 453 upper_32_bits(ring->gpu_addr)); 454 MMSCH_V4_0_INSERT_DIRECT_WT(SOC15_REG_OFFSET(JPEG, 0, 455 regUVD_JRBC_RB_SIZE), ring->ring_size / 4); 456 457 /* add end packet */ 458 MMSCH_V4_0_INSERT_END(); 459 460 /* refine header */ 461 header.jpegdec.init_status = 0; 462 header.jpegdec.table_offset = header.total_size; 463 header.jpegdec.table_size = table_size; 464 header.total_size += table_size; 465 466 /* Update init table header in memory */ 467 size = sizeof(struct mmsch_v4_0_init_header); 468 table_loc = (uint32_t *)table->cpu_addr; 469 memcpy((void *)table_loc, &header, size); 470 471 /* message MMSCH (in VCN[0]) to initialize this client 472 * 1, write to mmsch_vf_ctx_addr_lo/hi register with GPU mc addr 473 * of memory descriptor location 474 */ 475 ctx_addr = table->gpu_addr; 476 WREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_ADDR_LO, lower_32_bits(ctx_addr)); 477 WREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_ADDR_HI, upper_32_bits(ctx_addr)); 478 479 /* 2, update vmid of descriptor */ 480 tmp = RREG32_SOC15(VCN, 0, regMMSCH_VF_VMID); 481 tmp &= ~MMSCH_VF_VMID__VF_CTX_VMID_MASK; 482 /* use domain0 for MM scheduler */ 483 tmp |= (0 << MMSCH_VF_VMID__VF_CTX_VMID__SHIFT); 484 WREG32_SOC15(VCN, 0, regMMSCH_VF_VMID, tmp); 485 486 /* 3, notify mmsch about the size of this descriptor */ 487 size = header.total_size; 488 WREG32_SOC15(VCN, 0, regMMSCH_VF_CTX_SIZE, size); 489 490 /* 4, set resp to zero */ 491 WREG32_SOC15(VCN, 0, regMMSCH_VF_MAILBOX_RESP, 0); 492 493 /* 5, kick off the initialization and wait until 494 * MMSCH_VF_MAILBOX_RESP becomes non-zero 495 */ 496 param = 0x00000001; 497 WREG32_SOC15(VCN, 0, regMMSCH_VF_MAILBOX_HOST, param); 498 tmp = 0; 499 timeout = 1000; 500 resp = 0; 501 expected = MMSCH_VF_MAILBOX_RESP__OK; 502 init_status = ((struct mmsch_v4_0_init_header *)(table_loc))->jpegdec.init_status; 503 while (resp != expected) { 504 resp = RREG32_SOC15(VCN, 0, regMMSCH_VF_MAILBOX_RESP); 505 506 if (resp != 0) 507 break; 508 udelay(10); 509 tmp = tmp + 10; 510 if (tmp >= timeout) { 511 DRM_ERROR("failed to init MMSCH. TIME-OUT after %d usec"\ 512 " waiting for regMMSCH_VF_MAILBOX_RESP "\ 513 "(expected=0x%08x, readback=0x%08x)\n", 514 tmp, expected, resp); 515 return -EBUSY; 516 } 517 } 518 if (resp != expected && resp != MMSCH_VF_MAILBOX_RESP__INCOMPLETE && init_status != MMSCH_VF_ENGINE_STATUS__PASS) 519 DRM_ERROR("MMSCH init status is incorrect! readback=0x%08x, header init status for jpeg: %x\n", resp, init_status); 520 521 return 0; 522 523 } 524 525 /** 526 * jpeg_v4_0_stop - stop JPEG block 527 * 528 * @adev: amdgpu_device pointer 529 * 530 * stop the JPEG block 531 */ 532 static int jpeg_v4_0_stop(struct amdgpu_device *adev) 533 { 534 int r; 535 536 /* reset JMI */ 537 WREG32_P(SOC15_REG_OFFSET(JPEG, 0, regUVD_JMI_CNTL), 538 UVD_JMI_CNTL__SOFT_RESET_MASK, 539 ~UVD_JMI_CNTL__SOFT_RESET_MASK); 540 541 jpeg_v4_0_enable_clock_gating(adev); 542 543 /* enable power gating */ 544 r = jpeg_v4_0_enable_static_power_gating(adev); 545 if (r) 546 return r; 547 548 if (adev->pm.dpm_enabled) 549 amdgpu_dpm_enable_jpeg(adev, false); 550 551 return 0; 552 } 553 554 /** 555 * jpeg_v4_0_dec_ring_get_rptr - get read pointer 556 * 557 * @ring: amdgpu_ring pointer 558 * 559 * Returns the current hardware read pointer 560 */ 561 static uint64_t jpeg_v4_0_dec_ring_get_rptr(struct amdgpu_ring *ring) 562 { 563 struct amdgpu_device *adev = ring->adev; 564 565 return RREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_RPTR); 566 } 567 568 /** 569 * jpeg_v4_0_dec_ring_get_wptr - get write pointer 570 * 571 * @ring: amdgpu_ring pointer 572 * 573 * Returns the current hardware write pointer 574 */ 575 static uint64_t jpeg_v4_0_dec_ring_get_wptr(struct amdgpu_ring *ring) 576 { 577 struct amdgpu_device *adev = ring->adev; 578 579 if (ring->use_doorbell) 580 return *ring->wptr_cpu_addr; 581 else 582 return RREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR); 583 } 584 585 /** 586 * jpeg_v4_0_dec_ring_set_wptr - set write pointer 587 * 588 * @ring: amdgpu_ring pointer 589 * 590 * Commits the write pointer to the hardware 591 */ 592 static void jpeg_v4_0_dec_ring_set_wptr(struct amdgpu_ring *ring) 593 { 594 struct amdgpu_device *adev = ring->adev; 595 596 if (ring->use_doorbell) { 597 *ring->wptr_cpu_addr = lower_32_bits(ring->wptr); 598 WDOORBELL32(ring->doorbell_index, lower_32_bits(ring->wptr)); 599 } else { 600 WREG32_SOC15(JPEG, 0, regUVD_JRBC_RB_WPTR, lower_32_bits(ring->wptr)); 601 } 602 } 603 604 static bool jpeg_v4_0_is_idle(void *handle) 605 { 606 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 607 int ret = 1; 608 609 ret &= (((RREG32_SOC15(JPEG, 0, regUVD_JRBC_STATUS) & 610 UVD_JRBC_STATUS__RB_JOB_DONE_MASK) == 611 UVD_JRBC_STATUS__RB_JOB_DONE_MASK)); 612 613 return ret; 614 } 615 616 static int jpeg_v4_0_wait_for_idle(void *handle) 617 { 618 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 619 620 return SOC15_WAIT_ON_RREG(JPEG, 0, regUVD_JRBC_STATUS, 621 UVD_JRBC_STATUS__RB_JOB_DONE_MASK, 622 UVD_JRBC_STATUS__RB_JOB_DONE_MASK); 623 } 624 625 static int jpeg_v4_0_set_clockgating_state(void *handle, 626 enum amd_clockgating_state state) 627 { 628 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 629 bool enable = state == AMD_CG_STATE_GATE; 630 631 if (enable) { 632 if (!jpeg_v4_0_is_idle(handle)) 633 return -EBUSY; 634 jpeg_v4_0_enable_clock_gating(adev); 635 } else { 636 jpeg_v4_0_disable_clock_gating(adev); 637 } 638 639 return 0; 640 } 641 642 static int jpeg_v4_0_set_powergating_state(void *handle, 643 enum amd_powergating_state state) 644 { 645 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 646 int ret; 647 648 if (amdgpu_sriov_vf(adev)) { 649 adev->jpeg.cur_state = AMD_PG_STATE_UNGATE; 650 return 0; 651 } 652 653 if (state == adev->jpeg.cur_state) 654 return 0; 655 656 if (state == AMD_PG_STATE_GATE) 657 ret = jpeg_v4_0_stop(adev); 658 else 659 ret = jpeg_v4_0_start(adev); 660 661 if (!ret) 662 adev->jpeg.cur_state = state; 663 664 return ret; 665 } 666 667 static int jpeg_v4_0_set_interrupt_state(struct amdgpu_device *adev, 668 struct amdgpu_irq_src *source, 669 unsigned type, 670 enum amdgpu_interrupt_state state) 671 { 672 return 0; 673 } 674 675 static int jpeg_v4_0_set_ras_interrupt_state(struct amdgpu_device *adev, 676 struct amdgpu_irq_src *source, 677 unsigned int type, 678 enum amdgpu_interrupt_state state) 679 { 680 return 0; 681 } 682 683 static int jpeg_v4_0_process_interrupt(struct amdgpu_device *adev, 684 struct amdgpu_irq_src *source, 685 struct amdgpu_iv_entry *entry) 686 { 687 DRM_DEBUG("IH: JPEG TRAP\n"); 688 689 switch (entry->src_id) { 690 case VCN_4_0__SRCID__JPEG_DECODE: 691 amdgpu_fence_process(adev->jpeg.inst->ring_dec); 692 break; 693 default: 694 DRM_DEV_ERROR(adev->dev, "Unhandled interrupt: %d %d\n", 695 entry->src_id, entry->src_data[0]); 696 break; 697 } 698 699 return 0; 700 } 701 702 static const struct amd_ip_funcs jpeg_v4_0_ip_funcs = { 703 .name = "jpeg_v4_0", 704 .early_init = jpeg_v4_0_early_init, 705 .late_init = NULL, 706 .sw_init = jpeg_v4_0_sw_init, 707 .sw_fini = jpeg_v4_0_sw_fini, 708 .hw_init = jpeg_v4_0_hw_init, 709 .hw_fini = jpeg_v4_0_hw_fini, 710 .suspend = jpeg_v4_0_suspend, 711 .resume = jpeg_v4_0_resume, 712 .is_idle = jpeg_v4_0_is_idle, 713 .wait_for_idle = jpeg_v4_0_wait_for_idle, 714 .check_soft_reset = NULL, 715 .pre_soft_reset = NULL, 716 .soft_reset = NULL, 717 .post_soft_reset = NULL, 718 .set_clockgating_state = jpeg_v4_0_set_clockgating_state, 719 .set_powergating_state = jpeg_v4_0_set_powergating_state, 720 }; 721 722 static const struct amdgpu_ring_funcs jpeg_v4_0_dec_ring_vm_funcs = { 723 .type = AMDGPU_RING_TYPE_VCN_JPEG, 724 .align_mask = 0xf, 725 .get_rptr = jpeg_v4_0_dec_ring_get_rptr, 726 .get_wptr = jpeg_v4_0_dec_ring_get_wptr, 727 .set_wptr = jpeg_v4_0_dec_ring_set_wptr, 728 .emit_frame_size = 729 SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 + 730 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 + 731 8 + /* jpeg_v4_0_dec_ring_emit_vm_flush */ 732 18 + 18 + /* jpeg_v4_0_dec_ring_emit_fence x2 vm fence */ 733 8 + 16, 734 .emit_ib_size = 22, /* jpeg_v4_0_dec_ring_emit_ib */ 735 .emit_ib = jpeg_v2_0_dec_ring_emit_ib, 736 .emit_fence = jpeg_v2_0_dec_ring_emit_fence, 737 .emit_vm_flush = jpeg_v2_0_dec_ring_emit_vm_flush, 738 .test_ring = amdgpu_jpeg_dec_ring_test_ring, 739 .test_ib = amdgpu_jpeg_dec_ring_test_ib, 740 .insert_nop = jpeg_v2_0_dec_ring_nop, 741 .insert_start = jpeg_v2_0_dec_ring_insert_start, 742 .insert_end = jpeg_v2_0_dec_ring_insert_end, 743 .pad_ib = amdgpu_ring_generic_pad_ib, 744 .begin_use = amdgpu_jpeg_ring_begin_use, 745 .end_use = amdgpu_jpeg_ring_end_use, 746 .emit_wreg = jpeg_v2_0_dec_ring_emit_wreg, 747 .emit_reg_wait = jpeg_v2_0_dec_ring_emit_reg_wait, 748 .emit_reg_write_reg_wait = amdgpu_ring_emit_reg_write_reg_wait_helper, 749 }; 750 751 static void jpeg_v4_0_set_dec_ring_funcs(struct amdgpu_device *adev) 752 { 753 adev->jpeg.inst->ring_dec->funcs = &jpeg_v4_0_dec_ring_vm_funcs; 754 DRM_DEV_INFO(adev->dev, "JPEG decode is enabled in VM mode\n"); 755 } 756 757 static const struct amdgpu_irq_src_funcs jpeg_v4_0_irq_funcs = { 758 .set = jpeg_v4_0_set_interrupt_state, 759 .process = jpeg_v4_0_process_interrupt, 760 }; 761 762 static const struct amdgpu_irq_src_funcs jpeg_v4_0_ras_irq_funcs = { 763 .set = jpeg_v4_0_set_ras_interrupt_state, 764 .process = amdgpu_jpeg_process_poison_irq, 765 }; 766 767 static void jpeg_v4_0_set_irq_funcs(struct amdgpu_device *adev) 768 { 769 adev->jpeg.inst->irq.num_types = 1; 770 adev->jpeg.inst->irq.funcs = &jpeg_v4_0_irq_funcs; 771 772 adev->jpeg.inst->ras_poison_irq.num_types = 1; 773 adev->jpeg.inst->ras_poison_irq.funcs = &jpeg_v4_0_ras_irq_funcs; 774 } 775 776 const struct amdgpu_ip_block_version jpeg_v4_0_ip_block = { 777 .type = AMD_IP_BLOCK_TYPE_JPEG, 778 .major = 4, 779 .minor = 0, 780 .rev = 0, 781 .funcs = &jpeg_v4_0_ip_funcs, 782 }; 783 784 static uint32_t jpeg_v4_0_query_poison_by_instance(struct amdgpu_device *adev, 785 uint32_t instance, uint32_t sub_block) 786 { 787 uint32_t poison_stat = 0, reg_value = 0; 788 789 switch (sub_block) { 790 case AMDGPU_JPEG_V4_0_JPEG0: 791 reg_value = RREG32_SOC15(JPEG, instance, regUVD_RAS_JPEG0_STATUS); 792 poison_stat = REG_GET_FIELD(reg_value, UVD_RAS_JPEG0_STATUS, POISONED_PF); 793 break; 794 case AMDGPU_JPEG_V4_0_JPEG1: 795 reg_value = RREG32_SOC15(JPEG, instance, regUVD_RAS_JPEG1_STATUS); 796 poison_stat = REG_GET_FIELD(reg_value, UVD_RAS_JPEG1_STATUS, POISONED_PF); 797 break; 798 default: 799 break; 800 } 801 802 if (poison_stat) 803 dev_info(adev->dev, "Poison detected in JPEG%d sub_block%d\n", 804 instance, sub_block); 805 806 return poison_stat; 807 } 808 809 static bool jpeg_v4_0_query_ras_poison_status(struct amdgpu_device *adev) 810 { 811 uint32_t inst = 0, sub = 0, poison_stat = 0; 812 813 for (inst = 0; inst < adev->jpeg.num_jpeg_inst; inst++) 814 for (sub = 0; sub < AMDGPU_JPEG_V4_0_MAX_SUB_BLOCK; sub++) 815 poison_stat += 816 jpeg_v4_0_query_poison_by_instance(adev, inst, sub); 817 818 return !!poison_stat; 819 } 820 821 const struct amdgpu_ras_block_hw_ops jpeg_v4_0_ras_hw_ops = { 822 .query_poison_status = jpeg_v4_0_query_ras_poison_status, 823 }; 824 825 static struct amdgpu_jpeg_ras jpeg_v4_0_ras = { 826 .ras_block = { 827 .hw_ops = &jpeg_v4_0_ras_hw_ops, 828 .ras_late_init = amdgpu_jpeg_ras_late_init, 829 }, 830 }; 831 832 static void jpeg_v4_0_set_ras_funcs(struct amdgpu_device *adev) 833 { 834 switch (adev->ip_versions[JPEG_HWIP][0]) { 835 case IP_VERSION(4, 0, 0): 836 adev->jpeg.ras = &jpeg_v4_0_ras; 837 break; 838 default: 839 break; 840 } 841 } 842