1 /* 2 * Copyright 2016 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 <linux/firmware.h> 25 #include <drm/drmP.h> 26 #include "amdgpu.h" 27 #include "amdgpu_vcn.h" 28 #include "soc15.h" 29 #include "soc15d.h" 30 #include "soc15_common.h" 31 32 #include "vcn/vcn_1_0_offset.h" 33 #include "vcn/vcn_1_0_sh_mask.h" 34 #include "hdp/hdp_4_0_offset.h" 35 #include "mmhub/mmhub_9_1_offset.h" 36 #include "mmhub/mmhub_9_1_sh_mask.h" 37 38 static int vcn_v1_0_start(struct amdgpu_device *adev); 39 static int vcn_v1_0_stop(struct amdgpu_device *adev); 40 static void vcn_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev); 41 static void vcn_v1_0_set_enc_ring_funcs(struct amdgpu_device *adev); 42 static void vcn_v1_0_set_irq_funcs(struct amdgpu_device *adev); 43 44 /** 45 * vcn_v1_0_early_init - set function pointers 46 * 47 * @handle: amdgpu_device pointer 48 * 49 * Set ring and irq function pointers 50 */ 51 static int vcn_v1_0_early_init(void *handle) 52 { 53 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 54 55 adev->vcn.num_enc_rings = 2; 56 57 vcn_v1_0_set_dec_ring_funcs(adev); 58 vcn_v1_0_set_enc_ring_funcs(adev); 59 vcn_v1_0_set_irq_funcs(adev); 60 61 return 0; 62 } 63 64 /** 65 * vcn_v1_0_sw_init - sw init for VCN block 66 * 67 * @handle: amdgpu_device pointer 68 * 69 * Load firmware and sw initialization 70 */ 71 static int vcn_v1_0_sw_init(void *handle) 72 { 73 struct amdgpu_ring *ring; 74 int i, r; 75 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 76 77 /* VCN DEC TRAP */ 78 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, 124, &adev->vcn.irq); 79 if (r) 80 return r; 81 82 /* VCN ENC TRAP */ 83 for (i = 0; i < adev->vcn.num_enc_rings; ++i) { 84 r = amdgpu_irq_add_id(adev, SOC15_IH_CLIENTID_VCN, i + 119, 85 &adev->vcn.irq); 86 if (r) 87 return r; 88 } 89 90 r = amdgpu_vcn_sw_init(adev); 91 if (r) 92 return r; 93 94 r = amdgpu_vcn_resume(adev); 95 if (r) 96 return r; 97 98 ring = &adev->vcn.ring_dec; 99 sprintf(ring->name, "vcn_dec"); 100 r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.irq, 0); 101 if (r) 102 return r; 103 104 for (i = 0; i < adev->vcn.num_enc_rings; ++i) { 105 ring = &adev->vcn.ring_enc[i]; 106 sprintf(ring->name, "vcn_enc%d", i); 107 r = amdgpu_ring_init(adev, ring, 512, &adev->vcn.irq, 0); 108 if (r) 109 return r; 110 } 111 112 return r; 113 } 114 115 /** 116 * vcn_v1_0_sw_fini - sw fini for VCN block 117 * 118 * @handle: amdgpu_device pointer 119 * 120 * VCN suspend and free up sw allocation 121 */ 122 static int vcn_v1_0_sw_fini(void *handle) 123 { 124 int r; 125 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 126 127 r = amdgpu_vcn_suspend(adev); 128 if (r) 129 return r; 130 131 r = amdgpu_vcn_sw_fini(adev); 132 133 return r; 134 } 135 136 /** 137 * vcn_v1_0_hw_init - start and test VCN block 138 * 139 * @handle: amdgpu_device pointer 140 * 141 * Initialize the hardware, boot up the VCPU and do some testing 142 */ 143 static int vcn_v1_0_hw_init(void *handle) 144 { 145 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 146 struct amdgpu_ring *ring = &adev->vcn.ring_dec; 147 int i, r; 148 149 r = vcn_v1_0_start(adev); 150 if (r) 151 goto done; 152 153 ring->ready = true; 154 r = amdgpu_ring_test_ring(ring); 155 if (r) { 156 ring->ready = false; 157 goto done; 158 } 159 160 for (i = 0; i < adev->vcn.num_enc_rings; ++i) { 161 ring = &adev->vcn.ring_enc[i]; 162 ring->ready = true; 163 r = amdgpu_ring_test_ring(ring); 164 if (r) { 165 ring->ready = false; 166 goto done; 167 } 168 } 169 170 done: 171 if (!r) 172 DRM_INFO("VCN decode and encode initialized successfully.\n"); 173 174 return r; 175 } 176 177 /** 178 * vcn_v1_0_hw_fini - stop the hardware block 179 * 180 * @handle: amdgpu_device pointer 181 * 182 * Stop the VCN block, mark ring as not ready any more 183 */ 184 static int vcn_v1_0_hw_fini(void *handle) 185 { 186 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 187 struct amdgpu_ring *ring = &adev->vcn.ring_dec; 188 int r; 189 190 r = vcn_v1_0_stop(adev); 191 if (r) 192 return r; 193 194 ring->ready = false; 195 196 return 0; 197 } 198 199 /** 200 * vcn_v1_0_suspend - suspend VCN block 201 * 202 * @handle: amdgpu_device pointer 203 * 204 * HW fini and suspend VCN block 205 */ 206 static int vcn_v1_0_suspend(void *handle) 207 { 208 int r; 209 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 210 211 r = vcn_v1_0_hw_fini(adev); 212 if (r) 213 return r; 214 215 r = amdgpu_vcn_suspend(adev); 216 217 return r; 218 } 219 220 /** 221 * vcn_v1_0_resume - resume VCN block 222 * 223 * @handle: amdgpu_device pointer 224 * 225 * Resume firmware and hw init VCN block 226 */ 227 static int vcn_v1_0_resume(void *handle) 228 { 229 int r; 230 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 231 232 r = amdgpu_vcn_resume(adev); 233 if (r) 234 return r; 235 236 r = vcn_v1_0_hw_init(adev); 237 238 return r; 239 } 240 241 /** 242 * vcn_v1_0_mc_resume - memory controller programming 243 * 244 * @adev: amdgpu_device pointer 245 * 246 * Let the VCN memory controller know it's offsets 247 */ 248 static void vcn_v1_0_mc_resume(struct amdgpu_device *adev) 249 { 250 uint32_t size = AMDGPU_GPU_PAGE_ALIGN(adev->vcn.fw->size + 4); 251 252 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_LOW, 253 lower_32_bits(adev->vcn.gpu_addr)); 254 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE_64BIT_BAR_HIGH, 255 upper_32_bits(adev->vcn.gpu_addr)); 256 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET0, 257 AMDGPU_UVD_FIRMWARE_OFFSET >> 3); 258 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE0, size); 259 260 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_LOW, 261 lower_32_bits(adev->vcn.gpu_addr + size)); 262 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE1_64BIT_BAR_HIGH, 263 upper_32_bits(adev->vcn.gpu_addr + size)); 264 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET1, 0); 265 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE1, AMDGPU_VCN_HEAP_SIZE); 266 267 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_LOW, 268 lower_32_bits(adev->vcn.gpu_addr + size + AMDGPU_VCN_HEAP_SIZE)); 269 WREG32_SOC15(UVD, 0, mmUVD_LMI_VCPU_CACHE2_64BIT_BAR_HIGH, 270 upper_32_bits(adev->vcn.gpu_addr + size + AMDGPU_VCN_HEAP_SIZE)); 271 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_OFFSET2, 0); 272 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CACHE_SIZE2, 273 AMDGPU_VCN_STACK_SIZE + (AMDGPU_VCN_SESSION_SIZE * 40)); 274 275 WREG32_SOC15(UVD, 0, mmUVD_UDEC_ADDR_CONFIG, 276 adev->gfx.config.gb_addr_config); 277 WREG32_SOC15(UVD, 0, mmUVD_UDEC_DB_ADDR_CONFIG, 278 adev->gfx.config.gb_addr_config); 279 WREG32_SOC15(UVD, 0, mmUVD_UDEC_DBW_ADDR_CONFIG, 280 adev->gfx.config.gb_addr_config); 281 } 282 283 /** 284 * vcn_v1_0_disable_clock_gating - disable VCN clock gating 285 * 286 * @adev: amdgpu_device pointer 287 * @sw: enable SW clock gating 288 * 289 * Disable clock gating for VCN block 290 */ 291 static void vcn_v1_0_disable_clock_gating(struct amdgpu_device *adev, bool sw) 292 { 293 uint32_t data; 294 295 /* JPEG disable CGC */ 296 data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL); 297 298 if (sw) 299 data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; 300 else 301 data &= ~JPEG_CGC_CTRL__DYN_CLOCK_MODE_MASK; 302 303 data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT; 304 data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT; 305 WREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL, data); 306 307 data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE); 308 data &= ~(JPEG_CGC_GATE__JPEG_MASK | JPEG_CGC_GATE__JPEG2_MASK); 309 WREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE, data); 310 311 /* UVD disable CGC */ 312 data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL); 313 if (sw) 314 data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; 315 else 316 data &= ~ UVD_CGC_CTRL__DYN_CLOCK_MODE_MASK; 317 318 data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT; 319 data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT; 320 WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data); 321 322 data = RREG32_SOC15(VCN, 0, mmUVD_CGC_GATE); 323 data &= ~(UVD_CGC_GATE__SYS_MASK 324 | UVD_CGC_GATE__UDEC_MASK 325 | UVD_CGC_GATE__MPEG2_MASK 326 | UVD_CGC_GATE__REGS_MASK 327 | UVD_CGC_GATE__RBC_MASK 328 | UVD_CGC_GATE__LMI_MC_MASK 329 | UVD_CGC_GATE__LMI_UMC_MASK 330 | UVD_CGC_GATE__IDCT_MASK 331 | UVD_CGC_GATE__MPRD_MASK 332 | UVD_CGC_GATE__MPC_MASK 333 | UVD_CGC_GATE__LBSI_MASK 334 | UVD_CGC_GATE__LRBBM_MASK 335 | UVD_CGC_GATE__UDEC_RE_MASK 336 | UVD_CGC_GATE__UDEC_CM_MASK 337 | UVD_CGC_GATE__UDEC_IT_MASK 338 | UVD_CGC_GATE__UDEC_DB_MASK 339 | UVD_CGC_GATE__UDEC_MP_MASK 340 | UVD_CGC_GATE__WCB_MASK 341 | UVD_CGC_GATE__VCPU_MASK 342 | UVD_CGC_GATE__SCPU_MASK); 343 WREG32_SOC15(VCN, 0, mmUVD_CGC_GATE, data); 344 345 data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL); 346 data &= ~(UVD_CGC_CTRL__UDEC_RE_MODE_MASK 347 | UVD_CGC_CTRL__UDEC_CM_MODE_MASK 348 | UVD_CGC_CTRL__UDEC_IT_MODE_MASK 349 | UVD_CGC_CTRL__UDEC_DB_MODE_MASK 350 | UVD_CGC_CTRL__UDEC_MP_MODE_MASK 351 | UVD_CGC_CTRL__SYS_MODE_MASK 352 | UVD_CGC_CTRL__UDEC_MODE_MASK 353 | UVD_CGC_CTRL__MPEG2_MODE_MASK 354 | UVD_CGC_CTRL__REGS_MODE_MASK 355 | UVD_CGC_CTRL__RBC_MODE_MASK 356 | UVD_CGC_CTRL__LMI_MC_MODE_MASK 357 | UVD_CGC_CTRL__LMI_UMC_MODE_MASK 358 | UVD_CGC_CTRL__IDCT_MODE_MASK 359 | UVD_CGC_CTRL__MPRD_MODE_MASK 360 | UVD_CGC_CTRL__MPC_MODE_MASK 361 | UVD_CGC_CTRL__LBSI_MODE_MASK 362 | UVD_CGC_CTRL__LRBBM_MODE_MASK 363 | UVD_CGC_CTRL__WCB_MODE_MASK 364 | UVD_CGC_CTRL__VCPU_MODE_MASK 365 | UVD_CGC_CTRL__SCPU_MODE_MASK); 366 WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data); 367 368 /* turn on */ 369 data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE); 370 data |= (UVD_SUVD_CGC_GATE__SRE_MASK 371 | UVD_SUVD_CGC_GATE__SIT_MASK 372 | UVD_SUVD_CGC_GATE__SMP_MASK 373 | UVD_SUVD_CGC_GATE__SCM_MASK 374 | UVD_SUVD_CGC_GATE__SDB_MASK 375 | UVD_SUVD_CGC_GATE__SRE_H264_MASK 376 | UVD_SUVD_CGC_GATE__SRE_HEVC_MASK 377 | UVD_SUVD_CGC_GATE__SIT_H264_MASK 378 | UVD_SUVD_CGC_GATE__SIT_HEVC_MASK 379 | UVD_SUVD_CGC_GATE__SCM_H264_MASK 380 | UVD_SUVD_CGC_GATE__SCM_HEVC_MASK 381 | UVD_SUVD_CGC_GATE__SDB_H264_MASK 382 | UVD_SUVD_CGC_GATE__SDB_HEVC_MASK 383 | UVD_SUVD_CGC_GATE__SCLR_MASK 384 | UVD_SUVD_CGC_GATE__UVD_SC_MASK 385 | UVD_SUVD_CGC_GATE__ENT_MASK 386 | UVD_SUVD_CGC_GATE__SIT_HEVC_DEC_MASK 387 | UVD_SUVD_CGC_GATE__SIT_HEVC_ENC_MASK 388 | UVD_SUVD_CGC_GATE__SITE_MASK 389 | UVD_SUVD_CGC_GATE__SRE_VP9_MASK 390 | UVD_SUVD_CGC_GATE__SCM_VP9_MASK 391 | UVD_SUVD_CGC_GATE__SIT_VP9_DEC_MASK 392 | UVD_SUVD_CGC_GATE__SDB_VP9_MASK 393 | UVD_SUVD_CGC_GATE__IME_HEVC_MASK); 394 WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_GATE, data); 395 396 data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL); 397 data &= ~(UVD_SUVD_CGC_CTRL__SRE_MODE_MASK 398 | UVD_SUVD_CGC_CTRL__SIT_MODE_MASK 399 | UVD_SUVD_CGC_CTRL__SMP_MODE_MASK 400 | UVD_SUVD_CGC_CTRL__SCM_MODE_MASK 401 | UVD_SUVD_CGC_CTRL__SDB_MODE_MASK 402 | UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK 403 | UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK 404 | UVD_SUVD_CGC_CTRL__ENT_MODE_MASK 405 | UVD_SUVD_CGC_CTRL__IME_MODE_MASK 406 | UVD_SUVD_CGC_CTRL__SITE_MODE_MASK); 407 WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data); 408 } 409 410 /** 411 * vcn_v1_0_enable_clock_gating - enable VCN clock gating 412 * 413 * @adev: amdgpu_device pointer 414 * @sw: enable SW clock gating 415 * 416 * Enable clock gating for VCN block 417 */ 418 static void vcn_v1_0_enable_clock_gating(struct amdgpu_device *adev, bool sw) 419 { 420 uint32_t data = 0; 421 422 /* enable JPEG CGC */ 423 data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL); 424 if (sw) 425 data |= 1 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; 426 else 427 data |= 0 << JPEG_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; 428 data |= 1 << JPEG_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT; 429 data |= 4 << JPEG_CGC_CTRL__CLK_OFF_DELAY__SHIFT; 430 WREG32_SOC15(VCN, 0, mmJPEG_CGC_CTRL, data); 431 432 data = RREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE); 433 data |= (JPEG_CGC_GATE__JPEG_MASK | JPEG_CGC_GATE__JPEG2_MASK); 434 WREG32_SOC15(VCN, 0, mmJPEG_CGC_GATE, data); 435 436 /* enable UVD CGC */ 437 data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL); 438 if (sw) 439 data |= 1 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; 440 else 441 data |= 0 << UVD_CGC_CTRL__DYN_CLOCK_MODE__SHIFT; 442 data |= 1 << UVD_CGC_CTRL__CLK_GATE_DLY_TIMER__SHIFT; 443 data |= 4 << UVD_CGC_CTRL__CLK_OFF_DELAY__SHIFT; 444 WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data); 445 446 data = RREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL); 447 data |= (UVD_CGC_CTRL__UDEC_RE_MODE_MASK 448 | UVD_CGC_CTRL__UDEC_CM_MODE_MASK 449 | UVD_CGC_CTRL__UDEC_IT_MODE_MASK 450 | UVD_CGC_CTRL__UDEC_DB_MODE_MASK 451 | UVD_CGC_CTRL__UDEC_MP_MODE_MASK 452 | UVD_CGC_CTRL__SYS_MODE_MASK 453 | UVD_CGC_CTRL__UDEC_MODE_MASK 454 | UVD_CGC_CTRL__MPEG2_MODE_MASK 455 | UVD_CGC_CTRL__REGS_MODE_MASK 456 | UVD_CGC_CTRL__RBC_MODE_MASK 457 | UVD_CGC_CTRL__LMI_MC_MODE_MASK 458 | UVD_CGC_CTRL__LMI_UMC_MODE_MASK 459 | UVD_CGC_CTRL__IDCT_MODE_MASK 460 | UVD_CGC_CTRL__MPRD_MODE_MASK 461 | UVD_CGC_CTRL__MPC_MODE_MASK 462 | UVD_CGC_CTRL__LBSI_MODE_MASK 463 | UVD_CGC_CTRL__LRBBM_MODE_MASK 464 | UVD_CGC_CTRL__WCB_MODE_MASK 465 | UVD_CGC_CTRL__VCPU_MODE_MASK 466 | UVD_CGC_CTRL__SCPU_MODE_MASK); 467 WREG32_SOC15(VCN, 0, mmUVD_CGC_CTRL, data); 468 469 data = RREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL); 470 data |= (UVD_SUVD_CGC_CTRL__SRE_MODE_MASK 471 | UVD_SUVD_CGC_CTRL__SIT_MODE_MASK 472 | UVD_SUVD_CGC_CTRL__SMP_MODE_MASK 473 | UVD_SUVD_CGC_CTRL__SCM_MODE_MASK 474 | UVD_SUVD_CGC_CTRL__SDB_MODE_MASK 475 | UVD_SUVD_CGC_CTRL__SCLR_MODE_MASK 476 | UVD_SUVD_CGC_CTRL__UVD_SC_MODE_MASK 477 | UVD_SUVD_CGC_CTRL__ENT_MODE_MASK 478 | UVD_SUVD_CGC_CTRL__IME_MODE_MASK 479 | UVD_SUVD_CGC_CTRL__SITE_MODE_MASK); 480 WREG32_SOC15(VCN, 0, mmUVD_SUVD_CGC_CTRL, data); 481 } 482 483 /** 484 * vcn_v1_0_start - start VCN block 485 * 486 * @adev: amdgpu_device pointer 487 * 488 * Setup and start the VCN block 489 */ 490 static int vcn_v1_0_start(struct amdgpu_device *adev) 491 { 492 struct amdgpu_ring *ring = &adev->vcn.ring_dec; 493 uint32_t rb_bufsz, tmp; 494 uint32_t lmi_swap_cntl; 495 int i, j, r; 496 497 /* disable byte swapping */ 498 lmi_swap_cntl = 0; 499 500 vcn_v1_0_mc_resume(adev); 501 502 /* disable clock gating */ 503 vcn_v1_0_disable_clock_gating(adev, true); 504 505 /* disable interupt */ 506 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 0, 507 ~UVD_MASTINT_EN__VCPU_EN_MASK); 508 509 /* stall UMC and register bus before resetting VCPU */ 510 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 511 UVD_LMI_CTRL2__STALL_ARB_UMC_MASK, 512 ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK); 513 mdelay(1); 514 515 /* put LMI, VCPU, RBC etc... into reset */ 516 WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET, 517 UVD_SOFT_RESET__LMI_SOFT_RESET_MASK | 518 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK | 519 UVD_SOFT_RESET__LBSI_SOFT_RESET_MASK | 520 UVD_SOFT_RESET__RBC_SOFT_RESET_MASK | 521 UVD_SOFT_RESET__CSM_SOFT_RESET_MASK | 522 UVD_SOFT_RESET__CXW_SOFT_RESET_MASK | 523 UVD_SOFT_RESET__TAP_SOFT_RESET_MASK | 524 UVD_SOFT_RESET__LMI_UMC_SOFT_RESET_MASK); 525 mdelay(5); 526 527 /* initialize VCN memory controller */ 528 WREG32_SOC15(UVD, 0, mmUVD_LMI_CTRL, 529 (0x40 << UVD_LMI_CTRL__WRITE_CLEAN_TIMER__SHIFT) | 530 UVD_LMI_CTRL__WRITE_CLEAN_TIMER_EN_MASK | 531 UVD_LMI_CTRL__DATA_COHERENCY_EN_MASK | 532 UVD_LMI_CTRL__VCPU_DATA_COHERENCY_EN_MASK | 533 UVD_LMI_CTRL__REQ_MODE_MASK | 534 0x00100000L); 535 536 #ifdef __BIG_ENDIAN 537 /* swap (8 in 32) RB and IB */ 538 lmi_swap_cntl = 0xa; 539 #endif 540 WREG32_SOC15(UVD, 0, mmUVD_LMI_SWAP_CNTL, lmi_swap_cntl); 541 542 WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXA0, 0x40c2040); 543 WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXA1, 0x0); 544 WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXB0, 0x40c2040); 545 WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUXB1, 0x0); 546 WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_ALU, 0); 547 WREG32_SOC15(UVD, 0, mmUVD_MPC_SET_MUX, 0x88); 548 549 /* take all subblocks out of reset, except VCPU */ 550 WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET, 551 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 552 mdelay(5); 553 554 /* enable VCPU clock */ 555 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CNTL, 556 UVD_VCPU_CNTL__CLK_EN_MASK); 557 558 /* enable UMC */ 559 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0, 560 ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK); 561 562 /* boot up the VCPU */ 563 WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET, 0); 564 mdelay(10); 565 566 for (i = 0; i < 10; ++i) { 567 uint32_t status; 568 569 for (j = 0; j < 100; ++j) { 570 status = RREG32_SOC15(UVD, 0, mmUVD_STATUS); 571 if (status & 2) 572 break; 573 mdelay(10); 574 } 575 r = 0; 576 if (status & 2) 577 break; 578 579 DRM_ERROR("VCN decode not responding, trying to reset the VCPU!!!\n"); 580 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 581 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK, 582 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 583 mdelay(10); 584 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_SOFT_RESET), 0, 585 ~UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 586 mdelay(10); 587 r = -1; 588 } 589 590 if (r) { 591 DRM_ERROR("VCN decode not responding, giving up!!!\n"); 592 return r; 593 } 594 /* enable master interrupt */ 595 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_MASTINT_EN), 596 (UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK), 597 ~(UVD_MASTINT_EN__VCPU_EN_MASK|UVD_MASTINT_EN__SYS_EN_MASK)); 598 599 /* clear the bit 4 of VCN_STATUS */ 600 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_STATUS), 0, 601 ~(2 << UVD_STATUS__VCPU_REPORT__SHIFT)); 602 603 /* force RBC into idle state */ 604 rb_bufsz = order_base_2(ring->ring_size); 605 tmp = REG_SET_FIELD(0, UVD_RBC_RB_CNTL, RB_BUFSZ, rb_bufsz); 606 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_BLKSZ, 1); 607 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_FETCH, 1); 608 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_WPTR_POLL_EN, 0); 609 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_NO_UPDATE, 1); 610 tmp = REG_SET_FIELD(tmp, UVD_RBC_RB_CNTL, RB_RPTR_WR_EN, 1); 611 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, tmp); 612 613 /* set the write pointer delay */ 614 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR_CNTL, 0); 615 616 /* set the wb address */ 617 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR_ADDR, 618 (upper_32_bits(ring->gpu_addr) >> 2)); 619 620 /* programm the RB_BASE for ring buffer */ 621 WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_LOW, 622 lower_32_bits(ring->gpu_addr)); 623 WREG32_SOC15(UVD, 0, mmUVD_LMI_RBC_RB_64BIT_BAR_HIGH, 624 upper_32_bits(ring->gpu_addr)); 625 626 /* Initialize the ring buffer's read and write pointers */ 627 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR, 0); 628 629 ring->wptr = RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR); 630 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, 631 lower_32_bits(ring->wptr)); 632 633 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_RB_CNTL), 0, 634 ~UVD_RBC_RB_CNTL__RB_NO_FETCH_MASK); 635 636 ring = &adev->vcn.ring_enc[0]; 637 WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR, lower_32_bits(ring->wptr)); 638 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, lower_32_bits(ring->wptr)); 639 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO, ring->gpu_addr); 640 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI, upper_32_bits(ring->gpu_addr)); 641 WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE, ring->ring_size / 4); 642 643 ring = &adev->vcn.ring_enc[1]; 644 WREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2, lower_32_bits(ring->wptr)); 645 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, lower_32_bits(ring->wptr)); 646 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_LO2, ring->gpu_addr); 647 WREG32_SOC15(UVD, 0, mmUVD_RB_BASE_HI2, upper_32_bits(ring->gpu_addr)); 648 WREG32_SOC15(UVD, 0, mmUVD_RB_SIZE2, ring->ring_size / 4); 649 650 return 0; 651 } 652 653 /** 654 * vcn_v1_0_stop - stop VCN block 655 * 656 * @adev: amdgpu_device pointer 657 * 658 * stop the VCN block 659 */ 660 static int vcn_v1_0_stop(struct amdgpu_device *adev) 661 { 662 /* force RBC into idle state */ 663 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_CNTL, 0x11010101); 664 665 /* Stall UMC and register bus before resetting VCPU */ 666 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 667 UVD_LMI_CTRL2__STALL_ARB_UMC_MASK, 668 ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK); 669 mdelay(1); 670 671 /* put VCPU into reset */ 672 WREG32_SOC15(UVD, 0, mmUVD_SOFT_RESET, 673 UVD_SOFT_RESET__VCPU_SOFT_RESET_MASK); 674 mdelay(5); 675 676 /* disable VCPU clock */ 677 WREG32_SOC15(UVD, 0, mmUVD_VCPU_CNTL, 0x0); 678 679 /* Unstall UMC and register bus */ 680 WREG32_P(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_CTRL2), 0, 681 ~UVD_LMI_CTRL2__STALL_ARB_UMC_MASK); 682 683 /* enable clock gating */ 684 vcn_v1_0_enable_clock_gating(adev, true); 685 686 return 0; 687 } 688 689 static int vcn_v1_0_set_clockgating_state(void *handle, 690 enum amd_clockgating_state state) 691 { 692 /* needed for driver unload*/ 693 return 0; 694 } 695 696 /** 697 * vcn_v1_0_dec_ring_get_rptr - get read pointer 698 * 699 * @ring: amdgpu_ring pointer 700 * 701 * Returns the current hardware read pointer 702 */ 703 static uint64_t vcn_v1_0_dec_ring_get_rptr(struct amdgpu_ring *ring) 704 { 705 struct amdgpu_device *adev = ring->adev; 706 707 return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_RPTR); 708 } 709 710 /** 711 * vcn_v1_0_dec_ring_get_wptr - get write pointer 712 * 713 * @ring: amdgpu_ring pointer 714 * 715 * Returns the current hardware write pointer 716 */ 717 static uint64_t vcn_v1_0_dec_ring_get_wptr(struct amdgpu_ring *ring) 718 { 719 struct amdgpu_device *adev = ring->adev; 720 721 return RREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR); 722 } 723 724 /** 725 * vcn_v1_0_dec_ring_set_wptr - set write pointer 726 * 727 * @ring: amdgpu_ring pointer 728 * 729 * Commits the write pointer to the hardware 730 */ 731 static void vcn_v1_0_dec_ring_set_wptr(struct amdgpu_ring *ring) 732 { 733 struct amdgpu_device *adev = ring->adev; 734 735 WREG32_SOC15(UVD, 0, mmUVD_RBC_RB_WPTR, lower_32_bits(ring->wptr)); 736 } 737 738 /** 739 * vcn_v1_0_dec_ring_insert_start - insert a start command 740 * 741 * @ring: amdgpu_ring pointer 742 * 743 * Write a start command to the ring. 744 */ 745 static void vcn_v1_0_dec_ring_insert_start(struct amdgpu_ring *ring) 746 { 747 struct amdgpu_device *adev = ring->adev; 748 749 amdgpu_ring_write(ring, 750 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0)); 751 amdgpu_ring_write(ring, 0); 752 amdgpu_ring_write(ring, 753 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0)); 754 amdgpu_ring_write(ring, VCN_DEC_CMD_PACKET_START << 1); 755 } 756 757 /** 758 * vcn_v1_0_dec_ring_insert_end - insert a end command 759 * 760 * @ring: amdgpu_ring pointer 761 * 762 * Write a end command to the ring. 763 */ 764 static void vcn_v1_0_dec_ring_insert_end(struct amdgpu_ring *ring) 765 { 766 struct amdgpu_device *adev = ring->adev; 767 768 amdgpu_ring_write(ring, 769 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0)); 770 amdgpu_ring_write(ring, VCN_DEC_CMD_PACKET_END << 1); 771 } 772 773 /** 774 * vcn_v1_0_dec_ring_emit_fence - emit an fence & trap command 775 * 776 * @ring: amdgpu_ring pointer 777 * @fence: fence to emit 778 * 779 * Write a fence and a trap command to the ring. 780 */ 781 static void vcn_v1_0_dec_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, u64 seq, 782 unsigned flags) 783 { 784 struct amdgpu_device *adev = ring->adev; 785 786 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 787 788 amdgpu_ring_write(ring, 789 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_CONTEXT_ID), 0)); 790 amdgpu_ring_write(ring, seq); 791 amdgpu_ring_write(ring, 792 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0)); 793 amdgpu_ring_write(ring, addr & 0xffffffff); 794 amdgpu_ring_write(ring, 795 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0)); 796 amdgpu_ring_write(ring, upper_32_bits(addr) & 0xff); 797 amdgpu_ring_write(ring, 798 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0)); 799 amdgpu_ring_write(ring, VCN_DEC_CMD_FENCE << 1); 800 801 amdgpu_ring_write(ring, 802 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0)); 803 amdgpu_ring_write(ring, 0); 804 amdgpu_ring_write(ring, 805 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0)); 806 amdgpu_ring_write(ring, 0); 807 amdgpu_ring_write(ring, 808 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0)); 809 amdgpu_ring_write(ring, VCN_DEC_CMD_TRAP << 1); 810 } 811 812 /** 813 * vcn_v1_0_dec_ring_emit_ib - execute indirect buffer 814 * 815 * @ring: amdgpu_ring pointer 816 * @ib: indirect buffer to execute 817 * 818 * Write ring commands to execute the indirect buffer 819 */ 820 static void vcn_v1_0_dec_ring_emit_ib(struct amdgpu_ring *ring, 821 struct amdgpu_ib *ib, 822 unsigned vmid, bool ctx_switch) 823 { 824 struct amdgpu_device *adev = ring->adev; 825 826 amdgpu_ring_write(ring, 827 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_VMID), 0)); 828 amdgpu_ring_write(ring, vmid); 829 830 amdgpu_ring_write(ring, 831 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_64BIT_BAR_LOW), 0)); 832 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 833 amdgpu_ring_write(ring, 834 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_LMI_RBC_IB_64BIT_BAR_HIGH), 0)); 835 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 836 amdgpu_ring_write(ring, 837 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_RBC_IB_SIZE), 0)); 838 amdgpu_ring_write(ring, ib->length_dw); 839 } 840 841 static void vcn_v1_0_dec_ring_emit_reg_wait(struct amdgpu_ring *ring, 842 uint32_t reg, uint32_t val, 843 uint32_t mask) 844 { 845 struct amdgpu_device *adev = ring->adev; 846 847 amdgpu_ring_write(ring, 848 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0)); 849 amdgpu_ring_write(ring, reg << 2); 850 amdgpu_ring_write(ring, 851 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0)); 852 amdgpu_ring_write(ring, val); 853 amdgpu_ring_write(ring, 854 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GP_SCRATCH8), 0)); 855 amdgpu_ring_write(ring, mask); 856 amdgpu_ring_write(ring, 857 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0)); 858 amdgpu_ring_write(ring, VCN_DEC_CMD_REG_READ_COND_WAIT << 1); 859 } 860 861 static void vcn_v1_0_dec_ring_emit_vm_flush(struct amdgpu_ring *ring, 862 unsigned vmid, uint64_t pd_addr) 863 { 864 struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub]; 865 uint32_t data0, data1, mask; 866 867 pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); 868 869 /* wait for register write */ 870 data0 = hub->ctx0_ptb_addr_lo32 + vmid * 2; 871 data1 = lower_32_bits(pd_addr); 872 mask = 0xffffffff; 873 vcn_v1_0_dec_ring_emit_reg_wait(ring, data0, data1, mask); 874 } 875 876 static void vcn_v1_0_dec_ring_emit_wreg(struct amdgpu_ring *ring, 877 uint32_t reg, uint32_t val) 878 { 879 struct amdgpu_device *adev = ring->adev; 880 881 amdgpu_ring_write(ring, 882 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA0), 0)); 883 amdgpu_ring_write(ring, reg << 2); 884 amdgpu_ring_write(ring, 885 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_DATA1), 0)); 886 amdgpu_ring_write(ring, val); 887 amdgpu_ring_write(ring, 888 PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_GPCOM_VCPU_CMD), 0)); 889 amdgpu_ring_write(ring, VCN_DEC_CMD_WRITE_REG << 1); 890 } 891 892 /** 893 * vcn_v1_0_enc_ring_get_rptr - get enc read pointer 894 * 895 * @ring: amdgpu_ring pointer 896 * 897 * Returns the current hardware enc read pointer 898 */ 899 static uint64_t vcn_v1_0_enc_ring_get_rptr(struct amdgpu_ring *ring) 900 { 901 struct amdgpu_device *adev = ring->adev; 902 903 if (ring == &adev->vcn.ring_enc[0]) 904 return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR); 905 else 906 return RREG32_SOC15(UVD, 0, mmUVD_RB_RPTR2); 907 } 908 909 /** 910 * vcn_v1_0_enc_ring_get_wptr - get enc write pointer 911 * 912 * @ring: amdgpu_ring pointer 913 * 914 * Returns the current hardware enc write pointer 915 */ 916 static uint64_t vcn_v1_0_enc_ring_get_wptr(struct amdgpu_ring *ring) 917 { 918 struct amdgpu_device *adev = ring->adev; 919 920 if (ring == &adev->vcn.ring_enc[0]) 921 return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR); 922 else 923 return RREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2); 924 } 925 926 /** 927 * vcn_v1_0_enc_ring_set_wptr - set enc write pointer 928 * 929 * @ring: amdgpu_ring pointer 930 * 931 * Commits the enc write pointer to the hardware 932 */ 933 static void vcn_v1_0_enc_ring_set_wptr(struct amdgpu_ring *ring) 934 { 935 struct amdgpu_device *adev = ring->adev; 936 937 if (ring == &adev->vcn.ring_enc[0]) 938 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR, 939 lower_32_bits(ring->wptr)); 940 else 941 WREG32_SOC15(UVD, 0, mmUVD_RB_WPTR2, 942 lower_32_bits(ring->wptr)); 943 } 944 945 /** 946 * vcn_v1_0_enc_ring_emit_fence - emit an enc fence & trap command 947 * 948 * @ring: amdgpu_ring pointer 949 * @fence: fence to emit 950 * 951 * Write enc a fence and a trap command to the ring. 952 */ 953 static void vcn_v1_0_enc_ring_emit_fence(struct amdgpu_ring *ring, u64 addr, 954 u64 seq, unsigned flags) 955 { 956 WARN_ON(flags & AMDGPU_FENCE_FLAG_64BIT); 957 958 amdgpu_ring_write(ring, VCN_ENC_CMD_FENCE); 959 amdgpu_ring_write(ring, addr); 960 amdgpu_ring_write(ring, upper_32_bits(addr)); 961 amdgpu_ring_write(ring, seq); 962 amdgpu_ring_write(ring, VCN_ENC_CMD_TRAP); 963 } 964 965 static void vcn_v1_0_enc_ring_insert_end(struct amdgpu_ring *ring) 966 { 967 amdgpu_ring_write(ring, VCN_ENC_CMD_END); 968 } 969 970 /** 971 * vcn_v1_0_enc_ring_emit_ib - enc execute indirect buffer 972 * 973 * @ring: amdgpu_ring pointer 974 * @ib: indirect buffer to execute 975 * 976 * Write enc ring commands to execute the indirect buffer 977 */ 978 static void vcn_v1_0_enc_ring_emit_ib(struct amdgpu_ring *ring, 979 struct amdgpu_ib *ib, unsigned int vmid, bool ctx_switch) 980 { 981 amdgpu_ring_write(ring, VCN_ENC_CMD_IB); 982 amdgpu_ring_write(ring, vmid); 983 amdgpu_ring_write(ring, lower_32_bits(ib->gpu_addr)); 984 amdgpu_ring_write(ring, upper_32_bits(ib->gpu_addr)); 985 amdgpu_ring_write(ring, ib->length_dw); 986 } 987 988 static void vcn_v1_0_enc_ring_emit_reg_wait(struct amdgpu_ring *ring, 989 uint32_t reg, uint32_t val, 990 uint32_t mask) 991 { 992 amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WAIT); 993 amdgpu_ring_write(ring, reg << 2); 994 amdgpu_ring_write(ring, mask); 995 amdgpu_ring_write(ring, val); 996 } 997 998 static void vcn_v1_0_enc_ring_emit_vm_flush(struct amdgpu_ring *ring, 999 unsigned int vmid, uint64_t pd_addr) 1000 { 1001 struct amdgpu_vmhub *hub = &ring->adev->vmhub[ring->funcs->vmhub]; 1002 1003 pd_addr = amdgpu_gmc_emit_flush_gpu_tlb(ring, vmid, pd_addr); 1004 1005 /* wait for reg writes */ 1006 vcn_v1_0_enc_ring_emit_reg_wait(ring, hub->ctx0_ptb_addr_lo32 + vmid * 2, 1007 lower_32_bits(pd_addr), 0xffffffff); 1008 } 1009 1010 static void vcn_v1_0_enc_ring_emit_wreg(struct amdgpu_ring *ring, 1011 uint32_t reg, uint32_t val) 1012 { 1013 amdgpu_ring_write(ring, VCN_ENC_CMD_REG_WRITE); 1014 amdgpu_ring_write(ring, reg << 2); 1015 amdgpu_ring_write(ring, val); 1016 } 1017 1018 static int vcn_v1_0_set_interrupt_state(struct amdgpu_device *adev, 1019 struct amdgpu_irq_src *source, 1020 unsigned type, 1021 enum amdgpu_interrupt_state state) 1022 { 1023 return 0; 1024 } 1025 1026 static int vcn_v1_0_process_interrupt(struct amdgpu_device *adev, 1027 struct amdgpu_irq_src *source, 1028 struct amdgpu_iv_entry *entry) 1029 { 1030 DRM_DEBUG("IH: VCN TRAP\n"); 1031 1032 switch (entry->src_id) { 1033 case 124: 1034 amdgpu_fence_process(&adev->vcn.ring_dec); 1035 break; 1036 case 119: 1037 amdgpu_fence_process(&adev->vcn.ring_enc[0]); 1038 break; 1039 case 120: 1040 amdgpu_fence_process(&adev->vcn.ring_enc[1]); 1041 break; 1042 default: 1043 DRM_ERROR("Unhandled interrupt: %d %d\n", 1044 entry->src_id, entry->src_data[0]); 1045 break; 1046 } 1047 1048 return 0; 1049 } 1050 1051 static void vcn_v1_0_ring_insert_nop(struct amdgpu_ring *ring, uint32_t count) 1052 { 1053 int i; 1054 struct amdgpu_device *adev = ring->adev; 1055 1056 for (i = 0; i < count; i++) 1057 amdgpu_ring_write(ring, PACKET0(SOC15_REG_OFFSET(UVD, 0, mmUVD_NO_OP), 0)); 1058 1059 } 1060 1061 1062 static const struct amd_ip_funcs vcn_v1_0_ip_funcs = { 1063 .name = "vcn_v1_0", 1064 .early_init = vcn_v1_0_early_init, 1065 .late_init = NULL, 1066 .sw_init = vcn_v1_0_sw_init, 1067 .sw_fini = vcn_v1_0_sw_fini, 1068 .hw_init = vcn_v1_0_hw_init, 1069 .hw_fini = vcn_v1_0_hw_fini, 1070 .suspend = vcn_v1_0_suspend, 1071 .resume = vcn_v1_0_resume, 1072 .is_idle = NULL /* vcn_v1_0_is_idle */, 1073 .wait_for_idle = NULL /* vcn_v1_0_wait_for_idle */, 1074 .check_soft_reset = NULL /* vcn_v1_0_check_soft_reset */, 1075 .pre_soft_reset = NULL /* vcn_v1_0_pre_soft_reset */, 1076 .soft_reset = NULL /* vcn_v1_0_soft_reset */, 1077 .post_soft_reset = NULL /* vcn_v1_0_post_soft_reset */, 1078 .set_clockgating_state = vcn_v1_0_set_clockgating_state, 1079 .set_powergating_state = NULL /* vcn_v1_0_set_powergating_state */, 1080 }; 1081 1082 static const struct amdgpu_ring_funcs vcn_v1_0_dec_ring_vm_funcs = { 1083 .type = AMDGPU_RING_TYPE_VCN_DEC, 1084 .align_mask = 0xf, 1085 .nop = PACKET0(0x81ff, 0), 1086 .support_64bit_ptrs = false, 1087 .vmhub = AMDGPU_MMHUB, 1088 .get_rptr = vcn_v1_0_dec_ring_get_rptr, 1089 .get_wptr = vcn_v1_0_dec_ring_get_wptr, 1090 .set_wptr = vcn_v1_0_dec_ring_set_wptr, 1091 .emit_frame_size = 1092 6 + 6 + /* hdp invalidate / flush */ 1093 SOC15_FLUSH_GPU_TLB_NUM_WREG * 6 + 1094 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 8 + 1095 8 + /* vcn_v1_0_dec_ring_emit_vm_flush */ 1096 14 + 14 + /* vcn_v1_0_dec_ring_emit_fence x2 vm fence */ 1097 6, 1098 .emit_ib_size = 8, /* vcn_v1_0_dec_ring_emit_ib */ 1099 .emit_ib = vcn_v1_0_dec_ring_emit_ib, 1100 .emit_fence = vcn_v1_0_dec_ring_emit_fence, 1101 .emit_vm_flush = vcn_v1_0_dec_ring_emit_vm_flush, 1102 .test_ring = amdgpu_vcn_dec_ring_test_ring, 1103 .test_ib = amdgpu_vcn_dec_ring_test_ib, 1104 .insert_nop = vcn_v1_0_ring_insert_nop, 1105 .insert_start = vcn_v1_0_dec_ring_insert_start, 1106 .insert_end = vcn_v1_0_dec_ring_insert_end, 1107 .pad_ib = amdgpu_ring_generic_pad_ib, 1108 .begin_use = amdgpu_vcn_ring_begin_use, 1109 .end_use = amdgpu_vcn_ring_end_use, 1110 .emit_wreg = vcn_v1_0_dec_ring_emit_wreg, 1111 .emit_reg_wait = vcn_v1_0_dec_ring_emit_reg_wait, 1112 }; 1113 1114 static const struct amdgpu_ring_funcs vcn_v1_0_enc_ring_vm_funcs = { 1115 .type = AMDGPU_RING_TYPE_VCN_ENC, 1116 .align_mask = 0x3f, 1117 .nop = VCN_ENC_CMD_NO_OP, 1118 .support_64bit_ptrs = false, 1119 .vmhub = AMDGPU_MMHUB, 1120 .get_rptr = vcn_v1_0_enc_ring_get_rptr, 1121 .get_wptr = vcn_v1_0_enc_ring_get_wptr, 1122 .set_wptr = vcn_v1_0_enc_ring_set_wptr, 1123 .emit_frame_size = 1124 SOC15_FLUSH_GPU_TLB_NUM_WREG * 3 + 1125 SOC15_FLUSH_GPU_TLB_NUM_REG_WAIT * 4 + 1126 4 + /* vcn_v1_0_enc_ring_emit_vm_flush */ 1127 5 + 5 + /* vcn_v1_0_enc_ring_emit_fence x2 vm fence */ 1128 1, /* vcn_v1_0_enc_ring_insert_end */ 1129 .emit_ib_size = 5, /* vcn_v1_0_enc_ring_emit_ib */ 1130 .emit_ib = vcn_v1_0_enc_ring_emit_ib, 1131 .emit_fence = vcn_v1_0_enc_ring_emit_fence, 1132 .emit_vm_flush = vcn_v1_0_enc_ring_emit_vm_flush, 1133 .test_ring = amdgpu_vcn_enc_ring_test_ring, 1134 .test_ib = amdgpu_vcn_enc_ring_test_ib, 1135 .insert_nop = amdgpu_ring_insert_nop, 1136 .insert_end = vcn_v1_0_enc_ring_insert_end, 1137 .pad_ib = amdgpu_ring_generic_pad_ib, 1138 .begin_use = amdgpu_vcn_ring_begin_use, 1139 .end_use = amdgpu_vcn_ring_end_use, 1140 .emit_wreg = vcn_v1_0_enc_ring_emit_wreg, 1141 .emit_reg_wait = vcn_v1_0_enc_ring_emit_reg_wait, 1142 }; 1143 1144 static void vcn_v1_0_set_dec_ring_funcs(struct amdgpu_device *adev) 1145 { 1146 adev->vcn.ring_dec.funcs = &vcn_v1_0_dec_ring_vm_funcs; 1147 DRM_INFO("VCN decode is enabled in VM mode\n"); 1148 } 1149 1150 static void vcn_v1_0_set_enc_ring_funcs(struct amdgpu_device *adev) 1151 { 1152 int i; 1153 1154 for (i = 0; i < adev->vcn.num_enc_rings; ++i) 1155 adev->vcn.ring_enc[i].funcs = &vcn_v1_0_enc_ring_vm_funcs; 1156 1157 DRM_INFO("VCN encode is enabled in VM mode\n"); 1158 } 1159 1160 static const struct amdgpu_irq_src_funcs vcn_v1_0_irq_funcs = { 1161 .set = vcn_v1_0_set_interrupt_state, 1162 .process = vcn_v1_0_process_interrupt, 1163 }; 1164 1165 static void vcn_v1_0_set_irq_funcs(struct amdgpu_device *adev) 1166 { 1167 adev->vcn.irq.num_types = adev->vcn.num_enc_rings + 1; 1168 adev->vcn.irq.funcs = &vcn_v1_0_irq_funcs; 1169 } 1170 1171 const struct amdgpu_ip_block_version vcn_v1_0_ip_block = 1172 { 1173 .type = AMD_IP_BLOCK_TYPE_VCN, 1174 .major = 1, 1175 .minor = 0, 1176 .rev = 0, 1177 .funcs = &vcn_v1_0_ip_funcs, 1178 }; 1179