1 /* 2 * Copyright 2019 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 #include <linux/firmware.h> 24 #include <linux/slab.h> 25 #include <linux/module.h> 26 #include <linux/pci.h> 27 28 #include "amdgpu.h" 29 #include "amdgpu_atombios.h" 30 #include "amdgpu_ih.h" 31 #include "amdgpu_uvd.h" 32 #include "amdgpu_vce.h" 33 #include "amdgpu_ucode.h" 34 #include "amdgpu_psp.h" 35 #include "amdgpu_smu.h" 36 #include "atom.h" 37 #include "amd_pcie.h" 38 39 #include "gc/gc_10_1_0_offset.h" 40 #include "gc/gc_10_1_0_sh_mask.h" 41 #include "hdp/hdp_5_0_0_offset.h" 42 #include "hdp/hdp_5_0_0_sh_mask.h" 43 #include "smuio/smuio_11_0_0_offset.h" 44 45 #include "soc15.h" 46 #include "soc15_common.h" 47 #include "gmc_v10_0.h" 48 #include "gfxhub_v2_0.h" 49 #include "mmhub_v2_0.h" 50 #include "nbio_v2_3.h" 51 #include "nv.h" 52 #include "navi10_ih.h" 53 #include "gfx_v10_0.h" 54 #include "sdma_v5_0.h" 55 #include "vcn_v2_0.h" 56 #include "jpeg_v2_0.h" 57 #include "dce_virtual.h" 58 #include "mes_v10_1.h" 59 #include "mxgpu_nv.h" 60 61 static const struct amd_ip_funcs nv_common_ip_funcs; 62 63 /* 64 * Indirect registers accessor 65 */ 66 static u32 nv_pcie_rreg(struct amdgpu_device *adev, u32 reg) 67 { 68 unsigned long flags, address, data; 69 u32 r; 70 address = adev->nbio.funcs->get_pcie_index_offset(adev); 71 data = adev->nbio.funcs->get_pcie_data_offset(adev); 72 73 spin_lock_irqsave(&adev->pcie_idx_lock, flags); 74 WREG32(address, reg); 75 (void)RREG32(address); 76 r = RREG32(data); 77 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); 78 return r; 79 } 80 81 static void nv_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v) 82 { 83 unsigned long flags, address, data; 84 85 address = adev->nbio.funcs->get_pcie_index_offset(adev); 86 data = adev->nbio.funcs->get_pcie_data_offset(adev); 87 88 spin_lock_irqsave(&adev->pcie_idx_lock, flags); 89 WREG32(address, reg); 90 (void)RREG32(address); 91 WREG32(data, v); 92 (void)RREG32(data); 93 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); 94 } 95 96 static u32 nv_didt_rreg(struct amdgpu_device *adev, u32 reg) 97 { 98 unsigned long flags, address, data; 99 u32 r; 100 101 address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX); 102 data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA); 103 104 spin_lock_irqsave(&adev->didt_idx_lock, flags); 105 WREG32(address, (reg)); 106 r = RREG32(data); 107 spin_unlock_irqrestore(&adev->didt_idx_lock, flags); 108 return r; 109 } 110 111 static void nv_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v) 112 { 113 unsigned long flags, address, data; 114 115 address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX); 116 data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA); 117 118 spin_lock_irqsave(&adev->didt_idx_lock, flags); 119 WREG32(address, (reg)); 120 WREG32(data, (v)); 121 spin_unlock_irqrestore(&adev->didt_idx_lock, flags); 122 } 123 124 static u32 nv_get_config_memsize(struct amdgpu_device *adev) 125 { 126 return adev->nbio.funcs->get_memsize(adev); 127 } 128 129 static u32 nv_get_xclk(struct amdgpu_device *adev) 130 { 131 return adev->clock.spll.reference_freq; 132 } 133 134 135 void nv_grbm_select(struct amdgpu_device *adev, 136 u32 me, u32 pipe, u32 queue, u32 vmid) 137 { 138 u32 grbm_gfx_cntl = 0; 139 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe); 140 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me); 141 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid); 142 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue); 143 144 WREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_GFX_CNTL), grbm_gfx_cntl); 145 } 146 147 static void nv_vga_set_state(struct amdgpu_device *adev, bool state) 148 { 149 /* todo */ 150 } 151 152 static bool nv_read_disabled_bios(struct amdgpu_device *adev) 153 { 154 /* todo */ 155 return false; 156 } 157 158 static bool nv_read_bios_from_rom(struct amdgpu_device *adev, 159 u8 *bios, u32 length_bytes) 160 { 161 u32 *dw_ptr; 162 u32 i, length_dw; 163 164 if (bios == NULL) 165 return false; 166 if (length_bytes == 0) 167 return false; 168 /* APU vbios image is part of sbios image */ 169 if (adev->flags & AMD_IS_APU) 170 return false; 171 172 dw_ptr = (u32 *)bios; 173 length_dw = ALIGN(length_bytes, 4) / 4; 174 175 /* set rom index to 0 */ 176 WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_INDEX), 0); 177 /* read out the rom data */ 178 for (i = 0; i < length_dw; i++) 179 dw_ptr[i] = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_DATA)); 180 181 return true; 182 } 183 184 static struct soc15_allowed_register_entry nv_allowed_read_registers[] = { 185 { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS)}, 186 { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS2)}, 187 { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE0)}, 188 { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE1)}, 189 { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE2)}, 190 { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE3)}, 191 #if 0 /* TODO: will set it when SDMA header is available */ 192 { SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_STATUS_REG)}, 193 { SOC15_REG_ENTRY(SDMA1, 0, mmSDMA1_STATUS_REG)}, 194 #endif 195 { SOC15_REG_ENTRY(GC, 0, mmCP_STAT)}, 196 { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT1)}, 197 { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT2)}, 198 { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT3)}, 199 { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_BUSY_STAT)}, 200 { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STALLED_STAT1)}, 201 { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STATUS)}, 202 { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_BUSY_STAT)}, 203 { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STALLED_STAT1)}, 204 { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STATUS)}, 205 { SOC15_REG_ENTRY(GC, 0, mmGB_ADDR_CONFIG)}, 206 }; 207 208 static uint32_t nv_read_indexed_register(struct amdgpu_device *adev, u32 se_num, 209 u32 sh_num, u32 reg_offset) 210 { 211 uint32_t val; 212 213 mutex_lock(&adev->grbm_idx_mutex); 214 if (se_num != 0xffffffff || sh_num != 0xffffffff) 215 amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff); 216 217 val = RREG32(reg_offset); 218 219 if (se_num != 0xffffffff || sh_num != 0xffffffff) 220 amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); 221 mutex_unlock(&adev->grbm_idx_mutex); 222 return val; 223 } 224 225 static uint32_t nv_get_register_value(struct amdgpu_device *adev, 226 bool indexed, u32 se_num, 227 u32 sh_num, u32 reg_offset) 228 { 229 if (indexed) { 230 return nv_read_indexed_register(adev, se_num, sh_num, reg_offset); 231 } else { 232 if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG)) 233 return adev->gfx.config.gb_addr_config; 234 return RREG32(reg_offset); 235 } 236 } 237 238 static int nv_read_register(struct amdgpu_device *adev, u32 se_num, 239 u32 sh_num, u32 reg_offset, u32 *value) 240 { 241 uint32_t i; 242 struct soc15_allowed_register_entry *en; 243 244 *value = 0; 245 for (i = 0; i < ARRAY_SIZE(nv_allowed_read_registers); i++) { 246 en = &nv_allowed_read_registers[i]; 247 if (reg_offset != 248 (adev->reg_offset[en->hwip][en->inst][en->seg] + en->reg_offset)) 249 continue; 250 251 *value = nv_get_register_value(adev, 252 nv_allowed_read_registers[i].grbm_indexed, 253 se_num, sh_num, reg_offset); 254 return 0; 255 } 256 return -EINVAL; 257 } 258 259 #if 0 260 static void nv_gpu_pci_config_reset(struct amdgpu_device *adev) 261 { 262 u32 i; 263 264 dev_info(adev->dev, "GPU pci config reset\n"); 265 266 /* disable BM */ 267 pci_clear_master(adev->pdev); 268 /* reset */ 269 amdgpu_pci_config_reset(adev); 270 271 udelay(100); 272 273 /* wait for asic to come out of reset */ 274 for (i = 0; i < adev->usec_timeout; i++) { 275 u32 memsize = nbio_v2_3_get_memsize(adev); 276 if (memsize != 0xffffffff) 277 break; 278 udelay(1); 279 } 280 281 } 282 #endif 283 284 static int nv_asic_mode1_reset(struct amdgpu_device *adev) 285 { 286 u32 i; 287 int ret = 0; 288 289 amdgpu_atombios_scratch_regs_engine_hung(adev, true); 290 291 dev_info(adev->dev, "GPU mode1 reset\n"); 292 293 /* disable BM */ 294 pci_clear_master(adev->pdev); 295 296 pci_save_state(adev->pdev); 297 298 ret = psp_gpu_reset(adev); 299 if (ret) 300 dev_err(adev->dev, "GPU mode1 reset failed\n"); 301 302 pci_restore_state(adev->pdev); 303 304 /* wait for asic to come out of reset */ 305 for (i = 0; i < adev->usec_timeout; i++) { 306 u32 memsize = adev->nbio.funcs->get_memsize(adev); 307 308 if (memsize != 0xffffffff) 309 break; 310 udelay(1); 311 } 312 313 amdgpu_atombios_scratch_regs_engine_hung(adev, false); 314 315 return ret; 316 } 317 318 static bool nv_asic_supports_baco(struct amdgpu_device *adev) 319 { 320 struct smu_context *smu = &adev->smu; 321 322 if (smu_baco_is_support(smu)) 323 return true; 324 else 325 return false; 326 } 327 328 static enum amd_reset_method 329 nv_asic_reset_method(struct amdgpu_device *adev) 330 { 331 struct smu_context *smu = &adev->smu; 332 333 if (!amdgpu_sriov_vf(adev) && smu_baco_is_support(smu)) 334 return AMD_RESET_METHOD_BACO; 335 else 336 return AMD_RESET_METHOD_MODE1; 337 } 338 339 static int nv_asic_reset(struct amdgpu_device *adev) 340 { 341 342 /* FIXME: it doesn't work since vega10 */ 343 #if 0 344 amdgpu_atombios_scratch_regs_engine_hung(adev, true); 345 346 nv_gpu_pci_config_reset(adev); 347 348 amdgpu_atombios_scratch_regs_engine_hung(adev, false); 349 #endif 350 int ret = 0; 351 struct smu_context *smu = &adev->smu; 352 353 if (nv_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) { 354 ret = smu_baco_enter(smu); 355 if (ret) 356 return ret; 357 ret = smu_baco_exit(smu); 358 if (ret) 359 return ret; 360 } else { 361 ret = nv_asic_mode1_reset(adev); 362 } 363 364 return ret; 365 } 366 367 static int nv_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk) 368 { 369 /* todo */ 370 return 0; 371 } 372 373 static int nv_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk) 374 { 375 /* todo */ 376 return 0; 377 } 378 379 static void nv_pcie_gen3_enable(struct amdgpu_device *adev) 380 { 381 if (pci_is_root_bus(adev->pdev->bus)) 382 return; 383 384 if (amdgpu_pcie_gen2 == 0) 385 return; 386 387 if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | 388 CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3))) 389 return; 390 391 /* todo */ 392 } 393 394 static void nv_program_aspm(struct amdgpu_device *adev) 395 { 396 397 if (amdgpu_aspm == 0) 398 return; 399 400 /* todo */ 401 } 402 403 static void nv_enable_doorbell_aperture(struct amdgpu_device *adev, 404 bool enable) 405 { 406 adev->nbio.funcs->enable_doorbell_aperture(adev, enable); 407 adev->nbio.funcs->enable_doorbell_selfring_aperture(adev, enable); 408 } 409 410 static const struct amdgpu_ip_block_version nv_common_ip_block = 411 { 412 .type = AMD_IP_BLOCK_TYPE_COMMON, 413 .major = 1, 414 .minor = 0, 415 .rev = 0, 416 .funcs = &nv_common_ip_funcs, 417 }; 418 419 static int nv_reg_base_init(struct amdgpu_device *adev) 420 { 421 int r; 422 423 if (amdgpu_discovery) { 424 r = amdgpu_discovery_reg_base_init(adev); 425 if (r) { 426 DRM_WARN("failed to init reg base from ip discovery table, " 427 "fallback to legacy init method\n"); 428 goto legacy_init; 429 } 430 431 return 0; 432 } 433 434 legacy_init: 435 switch (adev->asic_type) { 436 case CHIP_NAVI10: 437 navi10_reg_base_init(adev); 438 break; 439 case CHIP_NAVI14: 440 navi14_reg_base_init(adev); 441 break; 442 case CHIP_NAVI12: 443 navi12_reg_base_init(adev); 444 break; 445 default: 446 return -EINVAL; 447 } 448 449 return 0; 450 } 451 452 int nv_set_ip_blocks(struct amdgpu_device *adev) 453 { 454 int r; 455 456 adev->nbio.funcs = &nbio_v2_3_funcs; 457 adev->nbio.hdp_flush_reg = &nbio_v2_3_hdp_flush_reg; 458 459 if (amdgpu_sriov_vf(adev)) { 460 adev->virt.ops = &xgpu_nv_virt_ops; 461 /* try send GPU_INIT_DATA request to host */ 462 amdgpu_virt_request_init_data(adev); 463 } 464 465 /* Set IP register base before any HW register access */ 466 r = nv_reg_base_init(adev); 467 if (r) 468 return r; 469 470 switch (adev->asic_type) { 471 case CHIP_NAVI10: 472 case CHIP_NAVI14: 473 amdgpu_device_ip_block_add(adev, &nv_common_ip_block); 474 amdgpu_device_ip_block_add(adev, &gmc_v10_0_ip_block); 475 amdgpu_device_ip_block_add(adev, &navi10_ih_ip_block); 476 amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block); 477 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP && 478 !amdgpu_sriov_vf(adev)) 479 amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block); 480 if (adev->enable_virtual_display || amdgpu_sriov_vf(adev)) 481 amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block); 482 #if defined(CONFIG_DRM_AMD_DC) 483 else if (amdgpu_device_has_dc_support(adev)) 484 amdgpu_device_ip_block_add(adev, &dm_ip_block); 485 #endif 486 amdgpu_device_ip_block_add(adev, &gfx_v10_0_ip_block); 487 amdgpu_device_ip_block_add(adev, &sdma_v5_0_ip_block); 488 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT && 489 !amdgpu_sriov_vf(adev)) 490 amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block); 491 amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block); 492 amdgpu_device_ip_block_add(adev, &jpeg_v2_0_ip_block); 493 if (adev->enable_mes) 494 amdgpu_device_ip_block_add(adev, &mes_v10_1_ip_block); 495 break; 496 case CHIP_NAVI12: 497 amdgpu_device_ip_block_add(adev, &nv_common_ip_block); 498 amdgpu_device_ip_block_add(adev, &gmc_v10_0_ip_block); 499 amdgpu_device_ip_block_add(adev, &navi10_ih_ip_block); 500 amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block); 501 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP) 502 amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block); 503 if (adev->enable_virtual_display || amdgpu_sriov_vf(adev)) 504 amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block); 505 #if defined(CONFIG_DRM_AMD_DC) 506 else if (amdgpu_device_has_dc_support(adev)) 507 amdgpu_device_ip_block_add(adev, &dm_ip_block); 508 #endif 509 amdgpu_device_ip_block_add(adev, &gfx_v10_0_ip_block); 510 amdgpu_device_ip_block_add(adev, &sdma_v5_0_ip_block); 511 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT && 512 !amdgpu_sriov_vf(adev)) 513 amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block); 514 amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block); 515 if (!amdgpu_sriov_vf(adev)) 516 amdgpu_device_ip_block_add(adev, &jpeg_v2_0_ip_block); 517 break; 518 default: 519 return -EINVAL; 520 } 521 522 return 0; 523 } 524 525 static uint32_t nv_get_rev_id(struct amdgpu_device *adev) 526 { 527 return adev->nbio.funcs->get_rev_id(adev); 528 } 529 530 static void nv_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring) 531 { 532 adev->nbio.funcs->hdp_flush(adev, ring); 533 } 534 535 static void nv_invalidate_hdp(struct amdgpu_device *adev, 536 struct amdgpu_ring *ring) 537 { 538 if (!ring || !ring->funcs->emit_wreg) { 539 WREG32_SOC15_NO_KIQ(NBIO, 0, mmHDP_READ_CACHE_INVALIDATE, 1); 540 } else { 541 amdgpu_ring_emit_wreg(ring, SOC15_REG_OFFSET( 542 HDP, 0, mmHDP_READ_CACHE_INVALIDATE), 1); 543 } 544 } 545 546 static bool nv_need_full_reset(struct amdgpu_device *adev) 547 { 548 return true; 549 } 550 551 static bool nv_need_reset_on_init(struct amdgpu_device *adev) 552 { 553 #if 0 554 u32 sol_reg; 555 556 if (adev->flags & AMD_IS_APU) 557 return false; 558 559 /* Check sOS sign of life register to confirm sys driver and sOS 560 * are already been loaded. 561 */ 562 sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81); 563 if (sol_reg) 564 return true; 565 #endif 566 /* TODO: re-enable it when mode1 reset is functional */ 567 return false; 568 } 569 570 static uint64_t nv_get_pcie_replay_count(struct amdgpu_device *adev) 571 { 572 573 /* TODO 574 * dummy implement for pcie_replay_count sysfs interface 575 * */ 576 577 return 0; 578 } 579 580 static void nv_init_doorbell_index(struct amdgpu_device *adev) 581 { 582 adev->doorbell_index.kiq = AMDGPU_NAVI10_DOORBELL_KIQ; 583 adev->doorbell_index.mec_ring0 = AMDGPU_NAVI10_DOORBELL_MEC_RING0; 584 adev->doorbell_index.mec_ring1 = AMDGPU_NAVI10_DOORBELL_MEC_RING1; 585 adev->doorbell_index.mec_ring2 = AMDGPU_NAVI10_DOORBELL_MEC_RING2; 586 adev->doorbell_index.mec_ring3 = AMDGPU_NAVI10_DOORBELL_MEC_RING3; 587 adev->doorbell_index.mec_ring4 = AMDGPU_NAVI10_DOORBELL_MEC_RING4; 588 adev->doorbell_index.mec_ring5 = AMDGPU_NAVI10_DOORBELL_MEC_RING5; 589 adev->doorbell_index.mec_ring6 = AMDGPU_NAVI10_DOORBELL_MEC_RING6; 590 adev->doorbell_index.mec_ring7 = AMDGPU_NAVI10_DOORBELL_MEC_RING7; 591 adev->doorbell_index.userqueue_start = AMDGPU_NAVI10_DOORBELL_USERQUEUE_START; 592 adev->doorbell_index.userqueue_end = AMDGPU_NAVI10_DOORBELL_USERQUEUE_END; 593 adev->doorbell_index.gfx_ring0 = AMDGPU_NAVI10_DOORBELL_GFX_RING0; 594 adev->doorbell_index.gfx_ring1 = AMDGPU_NAVI10_DOORBELL_GFX_RING1; 595 adev->doorbell_index.sdma_engine[0] = AMDGPU_NAVI10_DOORBELL_sDMA_ENGINE0; 596 adev->doorbell_index.sdma_engine[1] = AMDGPU_NAVI10_DOORBELL_sDMA_ENGINE1; 597 adev->doorbell_index.ih = AMDGPU_NAVI10_DOORBELL_IH; 598 adev->doorbell_index.vcn.vcn_ring0_1 = AMDGPU_NAVI10_DOORBELL64_VCN0_1; 599 adev->doorbell_index.vcn.vcn_ring2_3 = AMDGPU_NAVI10_DOORBELL64_VCN2_3; 600 adev->doorbell_index.vcn.vcn_ring4_5 = AMDGPU_NAVI10_DOORBELL64_VCN4_5; 601 adev->doorbell_index.vcn.vcn_ring6_7 = AMDGPU_NAVI10_DOORBELL64_VCN6_7; 602 adev->doorbell_index.first_non_cp = AMDGPU_NAVI10_DOORBELL64_FIRST_NON_CP; 603 adev->doorbell_index.last_non_cp = AMDGPU_NAVI10_DOORBELL64_LAST_NON_CP; 604 605 adev->doorbell_index.max_assignment = AMDGPU_NAVI10_DOORBELL_MAX_ASSIGNMENT << 1; 606 adev->doorbell_index.sdma_doorbell_range = 20; 607 } 608 609 static const struct amdgpu_asic_funcs nv_asic_funcs = 610 { 611 .read_disabled_bios = &nv_read_disabled_bios, 612 .read_bios_from_rom = &nv_read_bios_from_rom, 613 .read_register = &nv_read_register, 614 .reset = &nv_asic_reset, 615 .reset_method = &nv_asic_reset_method, 616 .set_vga_state = &nv_vga_set_state, 617 .get_xclk = &nv_get_xclk, 618 .set_uvd_clocks = &nv_set_uvd_clocks, 619 .set_vce_clocks = &nv_set_vce_clocks, 620 .get_config_memsize = &nv_get_config_memsize, 621 .flush_hdp = &nv_flush_hdp, 622 .invalidate_hdp = &nv_invalidate_hdp, 623 .init_doorbell_index = &nv_init_doorbell_index, 624 .need_full_reset = &nv_need_full_reset, 625 .need_reset_on_init = &nv_need_reset_on_init, 626 .get_pcie_replay_count = &nv_get_pcie_replay_count, 627 .supports_baco = &nv_asic_supports_baco, 628 }; 629 630 static int nv_common_early_init(void *handle) 631 { 632 #define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE) 633 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 634 635 adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET; 636 adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET; 637 adev->smc_rreg = NULL; 638 adev->smc_wreg = NULL; 639 adev->pcie_rreg = &nv_pcie_rreg; 640 adev->pcie_wreg = &nv_pcie_wreg; 641 642 /* TODO: will add them during VCN v2 implementation */ 643 adev->uvd_ctx_rreg = NULL; 644 adev->uvd_ctx_wreg = NULL; 645 646 adev->didt_rreg = &nv_didt_rreg; 647 adev->didt_wreg = &nv_didt_wreg; 648 649 adev->asic_funcs = &nv_asic_funcs; 650 651 adev->rev_id = nv_get_rev_id(adev); 652 adev->external_rev_id = 0xff; 653 switch (adev->asic_type) { 654 case CHIP_NAVI10: 655 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG | 656 AMD_CG_SUPPORT_GFX_CGCG | 657 AMD_CG_SUPPORT_IH_CG | 658 AMD_CG_SUPPORT_HDP_MGCG | 659 AMD_CG_SUPPORT_HDP_LS | 660 AMD_CG_SUPPORT_SDMA_MGCG | 661 AMD_CG_SUPPORT_SDMA_LS | 662 AMD_CG_SUPPORT_MC_MGCG | 663 AMD_CG_SUPPORT_MC_LS | 664 AMD_CG_SUPPORT_ATHUB_MGCG | 665 AMD_CG_SUPPORT_ATHUB_LS | 666 AMD_CG_SUPPORT_VCN_MGCG | 667 AMD_CG_SUPPORT_JPEG_MGCG | 668 AMD_CG_SUPPORT_BIF_MGCG | 669 AMD_CG_SUPPORT_BIF_LS; 670 adev->pg_flags = AMD_PG_SUPPORT_VCN | 671 AMD_PG_SUPPORT_VCN_DPG | 672 AMD_PG_SUPPORT_JPEG | 673 AMD_PG_SUPPORT_ATHUB; 674 adev->external_rev_id = adev->rev_id + 0x1; 675 break; 676 case CHIP_NAVI14: 677 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG | 678 AMD_CG_SUPPORT_GFX_CGCG | 679 AMD_CG_SUPPORT_IH_CG | 680 AMD_CG_SUPPORT_HDP_MGCG | 681 AMD_CG_SUPPORT_HDP_LS | 682 AMD_CG_SUPPORT_SDMA_MGCG | 683 AMD_CG_SUPPORT_SDMA_LS | 684 AMD_CG_SUPPORT_MC_MGCG | 685 AMD_CG_SUPPORT_MC_LS | 686 AMD_CG_SUPPORT_ATHUB_MGCG | 687 AMD_CG_SUPPORT_ATHUB_LS | 688 AMD_CG_SUPPORT_VCN_MGCG | 689 AMD_CG_SUPPORT_JPEG_MGCG | 690 AMD_CG_SUPPORT_BIF_MGCG | 691 AMD_CG_SUPPORT_BIF_LS; 692 adev->pg_flags = AMD_PG_SUPPORT_VCN | 693 AMD_PG_SUPPORT_JPEG | 694 AMD_PG_SUPPORT_VCN_DPG; 695 adev->external_rev_id = adev->rev_id + 20; 696 break; 697 case CHIP_NAVI12: 698 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG | 699 AMD_CG_SUPPORT_GFX_MGLS | 700 AMD_CG_SUPPORT_GFX_CGCG | 701 AMD_CG_SUPPORT_GFX_CP_LS | 702 AMD_CG_SUPPORT_GFX_RLC_LS | 703 AMD_CG_SUPPORT_IH_CG | 704 AMD_CG_SUPPORT_HDP_MGCG | 705 AMD_CG_SUPPORT_HDP_LS | 706 AMD_CG_SUPPORT_SDMA_MGCG | 707 AMD_CG_SUPPORT_SDMA_LS | 708 AMD_CG_SUPPORT_MC_MGCG | 709 AMD_CG_SUPPORT_MC_LS | 710 AMD_CG_SUPPORT_ATHUB_MGCG | 711 AMD_CG_SUPPORT_ATHUB_LS | 712 AMD_CG_SUPPORT_VCN_MGCG | 713 AMD_CG_SUPPORT_JPEG_MGCG; 714 adev->pg_flags = AMD_PG_SUPPORT_VCN | 715 AMD_PG_SUPPORT_VCN_DPG | 716 AMD_PG_SUPPORT_JPEG | 717 AMD_PG_SUPPORT_ATHUB; 718 /* guest vm gets 0xffffffff when reading RCC_DEV0_EPF0_STRAP0, 719 * as a consequence, the rev_id and external_rev_id are wrong. 720 * workaround it by hardcoding rev_id to 0 (default value). 721 */ 722 if (amdgpu_sriov_vf(adev)) 723 adev->rev_id = 0; 724 adev->external_rev_id = adev->rev_id + 0xa; 725 break; 726 default: 727 /* FIXME: not supported yet */ 728 return -EINVAL; 729 } 730 731 if (amdgpu_sriov_vf(adev)) { 732 amdgpu_virt_init_setting(adev); 733 xgpu_nv_mailbox_set_irq_funcs(adev); 734 } 735 736 return 0; 737 } 738 739 static int nv_common_late_init(void *handle) 740 { 741 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 742 743 if (amdgpu_sriov_vf(adev)) 744 xgpu_nv_mailbox_get_irq(adev); 745 746 return 0; 747 } 748 749 static int nv_common_sw_init(void *handle) 750 { 751 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 752 753 if (amdgpu_sriov_vf(adev)) 754 xgpu_nv_mailbox_add_irq_id(adev); 755 756 return 0; 757 } 758 759 static int nv_common_sw_fini(void *handle) 760 { 761 return 0; 762 } 763 764 static int nv_common_hw_init(void *handle) 765 { 766 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 767 768 /* enable pcie gen2/3 link */ 769 nv_pcie_gen3_enable(adev); 770 /* enable aspm */ 771 nv_program_aspm(adev); 772 /* setup nbio registers */ 773 adev->nbio.funcs->init_registers(adev); 774 /* remap HDP registers to a hole in mmio space, 775 * for the purpose of expose those registers 776 * to process space 777 */ 778 if (adev->nbio.funcs->remap_hdp_registers) 779 adev->nbio.funcs->remap_hdp_registers(adev); 780 /* enable the doorbell aperture */ 781 nv_enable_doorbell_aperture(adev, true); 782 783 return 0; 784 } 785 786 static int nv_common_hw_fini(void *handle) 787 { 788 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 789 790 /* disable the doorbell aperture */ 791 nv_enable_doorbell_aperture(adev, false); 792 793 return 0; 794 } 795 796 static int nv_common_suspend(void *handle) 797 { 798 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 799 800 return nv_common_hw_fini(adev); 801 } 802 803 static int nv_common_resume(void *handle) 804 { 805 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 806 807 return nv_common_hw_init(adev); 808 } 809 810 static bool nv_common_is_idle(void *handle) 811 { 812 return true; 813 } 814 815 static int nv_common_wait_for_idle(void *handle) 816 { 817 return 0; 818 } 819 820 static int nv_common_soft_reset(void *handle) 821 { 822 return 0; 823 } 824 825 static void nv_update_hdp_mem_power_gating(struct amdgpu_device *adev, 826 bool enable) 827 { 828 uint32_t hdp_clk_cntl, hdp_clk_cntl1; 829 uint32_t hdp_mem_pwr_cntl; 830 831 if (!(adev->cg_flags & (AMD_CG_SUPPORT_HDP_LS | 832 AMD_CG_SUPPORT_HDP_DS | 833 AMD_CG_SUPPORT_HDP_SD))) 834 return; 835 836 hdp_clk_cntl = hdp_clk_cntl1 = RREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL); 837 hdp_mem_pwr_cntl = RREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL); 838 839 /* Before doing clock/power mode switch, 840 * forced on IPH & RC clock */ 841 hdp_clk_cntl = REG_SET_FIELD(hdp_clk_cntl, HDP_CLK_CNTL, 842 IPH_MEM_CLK_SOFT_OVERRIDE, 1); 843 hdp_clk_cntl = REG_SET_FIELD(hdp_clk_cntl, HDP_CLK_CNTL, 844 RC_MEM_CLK_SOFT_OVERRIDE, 1); 845 WREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL, hdp_clk_cntl); 846 847 /* HDP 5.0 doesn't support dynamic power mode switch, 848 * disable clock and power gating before any changing */ 849 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL, 850 IPH_MEM_POWER_CTRL_EN, 0); 851 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL, 852 IPH_MEM_POWER_LS_EN, 0); 853 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL, 854 IPH_MEM_POWER_DS_EN, 0); 855 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL, 856 IPH_MEM_POWER_SD_EN, 0); 857 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL, 858 RC_MEM_POWER_CTRL_EN, 0); 859 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL, 860 RC_MEM_POWER_LS_EN, 0); 861 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL, 862 RC_MEM_POWER_DS_EN, 0); 863 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL, 864 RC_MEM_POWER_SD_EN, 0); 865 WREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL, hdp_mem_pwr_cntl); 866 867 /* only one clock gating mode (LS/DS/SD) can be enabled */ 868 if (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS) { 869 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, 870 HDP_MEM_POWER_CTRL, 871 IPH_MEM_POWER_LS_EN, enable); 872 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, 873 HDP_MEM_POWER_CTRL, 874 RC_MEM_POWER_LS_EN, enable); 875 } else if (adev->cg_flags & AMD_CG_SUPPORT_HDP_DS) { 876 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, 877 HDP_MEM_POWER_CTRL, 878 IPH_MEM_POWER_DS_EN, enable); 879 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, 880 HDP_MEM_POWER_CTRL, 881 RC_MEM_POWER_DS_EN, enable); 882 } else if (adev->cg_flags & AMD_CG_SUPPORT_HDP_SD) { 883 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, 884 HDP_MEM_POWER_CTRL, 885 IPH_MEM_POWER_SD_EN, enable); 886 /* RC should not use shut down mode, fallback to ds */ 887 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, 888 HDP_MEM_POWER_CTRL, 889 RC_MEM_POWER_DS_EN, enable); 890 } 891 892 WREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL, hdp_mem_pwr_cntl); 893 894 /* restore IPH & RC clock override after clock/power mode changing */ 895 WREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL, hdp_clk_cntl1); 896 } 897 898 static void nv_update_hdp_clock_gating(struct amdgpu_device *adev, 899 bool enable) 900 { 901 uint32_t hdp_clk_cntl; 902 903 if (!(adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG)) 904 return; 905 906 hdp_clk_cntl = RREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL); 907 908 if (enable) { 909 hdp_clk_cntl &= 910 ~(uint32_t) 911 (HDP_CLK_CNTL__IPH_MEM_CLK_SOFT_OVERRIDE_MASK | 912 HDP_CLK_CNTL__RC_MEM_CLK_SOFT_OVERRIDE_MASK | 913 HDP_CLK_CNTL__DBUS_CLK_SOFT_OVERRIDE_MASK | 914 HDP_CLK_CNTL__DYN_CLK_SOFT_OVERRIDE_MASK | 915 HDP_CLK_CNTL__XDP_REG_CLK_SOFT_OVERRIDE_MASK | 916 HDP_CLK_CNTL__HDP_REG_CLK_SOFT_OVERRIDE_MASK); 917 } else { 918 hdp_clk_cntl |= HDP_CLK_CNTL__IPH_MEM_CLK_SOFT_OVERRIDE_MASK | 919 HDP_CLK_CNTL__RC_MEM_CLK_SOFT_OVERRIDE_MASK | 920 HDP_CLK_CNTL__DBUS_CLK_SOFT_OVERRIDE_MASK | 921 HDP_CLK_CNTL__DYN_CLK_SOFT_OVERRIDE_MASK | 922 HDP_CLK_CNTL__XDP_REG_CLK_SOFT_OVERRIDE_MASK | 923 HDP_CLK_CNTL__HDP_REG_CLK_SOFT_OVERRIDE_MASK; 924 } 925 926 WREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL, hdp_clk_cntl); 927 } 928 929 static int nv_common_set_clockgating_state(void *handle, 930 enum amd_clockgating_state state) 931 { 932 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 933 934 if (amdgpu_sriov_vf(adev)) 935 return 0; 936 937 switch (adev->asic_type) { 938 case CHIP_NAVI10: 939 case CHIP_NAVI14: 940 case CHIP_NAVI12: 941 adev->nbio.funcs->update_medium_grain_clock_gating(adev, 942 state == AMD_CG_STATE_GATE); 943 adev->nbio.funcs->update_medium_grain_light_sleep(adev, 944 state == AMD_CG_STATE_GATE); 945 nv_update_hdp_mem_power_gating(adev, 946 state == AMD_CG_STATE_GATE); 947 nv_update_hdp_clock_gating(adev, 948 state == AMD_CG_STATE_GATE); 949 break; 950 default: 951 break; 952 } 953 return 0; 954 } 955 956 static int nv_common_set_powergating_state(void *handle, 957 enum amd_powergating_state state) 958 { 959 /* TODO */ 960 return 0; 961 } 962 963 static void nv_common_get_clockgating_state(void *handle, u32 *flags) 964 { 965 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 966 uint32_t tmp; 967 968 if (amdgpu_sriov_vf(adev)) 969 *flags = 0; 970 971 adev->nbio.funcs->get_clockgating_state(adev, flags); 972 973 /* AMD_CG_SUPPORT_HDP_MGCG */ 974 tmp = RREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL); 975 if (!(tmp & (HDP_CLK_CNTL__IPH_MEM_CLK_SOFT_OVERRIDE_MASK | 976 HDP_CLK_CNTL__RC_MEM_CLK_SOFT_OVERRIDE_MASK | 977 HDP_CLK_CNTL__DBUS_CLK_SOFT_OVERRIDE_MASK | 978 HDP_CLK_CNTL__DYN_CLK_SOFT_OVERRIDE_MASK | 979 HDP_CLK_CNTL__XDP_REG_CLK_SOFT_OVERRIDE_MASK | 980 HDP_CLK_CNTL__HDP_REG_CLK_SOFT_OVERRIDE_MASK))) 981 *flags |= AMD_CG_SUPPORT_HDP_MGCG; 982 983 /* AMD_CG_SUPPORT_HDP_LS/DS/SD */ 984 tmp = RREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL); 985 if (tmp & HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK) 986 *flags |= AMD_CG_SUPPORT_HDP_LS; 987 else if (tmp & HDP_MEM_POWER_CTRL__IPH_MEM_POWER_DS_EN_MASK) 988 *flags |= AMD_CG_SUPPORT_HDP_DS; 989 else if (tmp & HDP_MEM_POWER_CTRL__IPH_MEM_POWER_SD_EN_MASK) 990 *flags |= AMD_CG_SUPPORT_HDP_SD; 991 992 return; 993 } 994 995 static const struct amd_ip_funcs nv_common_ip_funcs = { 996 .name = "nv_common", 997 .early_init = nv_common_early_init, 998 .late_init = nv_common_late_init, 999 .sw_init = nv_common_sw_init, 1000 .sw_fini = nv_common_sw_fini, 1001 .hw_init = nv_common_hw_init, 1002 .hw_fini = nv_common_hw_fini, 1003 .suspend = nv_common_suspend, 1004 .resume = nv_common_resume, 1005 .is_idle = nv_common_is_idle, 1006 .wait_for_idle = nv_common_wait_for_idle, 1007 .soft_reset = nv_common_soft_reset, 1008 .set_clockgating_state = nv_common_set_clockgating_state, 1009 .set_powergating_state = nv_common_set_powergating_state, 1010 .get_clockgating_state = nv_common_get_clockgating_state, 1011 }; 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