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 44 #include "soc15.h" 45 #include "soc15_common.h" 46 #include "gmc_v10_0.h" 47 #include "gfxhub_v2_0.h" 48 #include "mmhub_v2_0.h" 49 #include "nv.h" 50 #include "navi10_ih.h" 51 #include "gfx_v10_0.h" 52 #include "sdma_v5_0.h" 53 #include "vcn_v2_0.h" 54 #include "dce_virtual.h" 55 #include "mes_v10_1.h" 56 57 static const struct amd_ip_funcs nv_common_ip_funcs; 58 59 /* 60 * Indirect registers accessor 61 */ 62 static u32 nv_pcie_rreg(struct amdgpu_device *adev, u32 reg) 63 { 64 unsigned long flags, address, data; 65 u32 r; 66 address = adev->nbio_funcs->get_pcie_index_offset(adev); 67 data = adev->nbio_funcs->get_pcie_data_offset(adev); 68 69 spin_lock_irqsave(&adev->pcie_idx_lock, flags); 70 WREG32(address, reg); 71 (void)RREG32(address); 72 r = RREG32(data); 73 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); 74 return r; 75 } 76 77 static void nv_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v) 78 { 79 unsigned long flags, address, data; 80 81 address = adev->nbio_funcs->get_pcie_index_offset(adev); 82 data = adev->nbio_funcs->get_pcie_data_offset(adev); 83 84 spin_lock_irqsave(&adev->pcie_idx_lock, flags); 85 WREG32(address, reg); 86 (void)RREG32(address); 87 WREG32(data, v); 88 (void)RREG32(data); 89 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); 90 } 91 92 static u32 nv_didt_rreg(struct amdgpu_device *adev, u32 reg) 93 { 94 unsigned long flags, address, data; 95 u32 r; 96 97 address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX); 98 data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA); 99 100 spin_lock_irqsave(&adev->didt_idx_lock, flags); 101 WREG32(address, (reg)); 102 r = RREG32(data); 103 spin_unlock_irqrestore(&adev->didt_idx_lock, flags); 104 return r; 105 } 106 107 static void nv_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v) 108 { 109 unsigned long flags, address, data; 110 111 address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX); 112 data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA); 113 114 spin_lock_irqsave(&adev->didt_idx_lock, flags); 115 WREG32(address, (reg)); 116 WREG32(data, (v)); 117 spin_unlock_irqrestore(&adev->didt_idx_lock, flags); 118 } 119 120 static u32 nv_get_config_memsize(struct amdgpu_device *adev) 121 { 122 return adev->nbio_funcs->get_memsize(adev); 123 } 124 125 static u32 nv_get_xclk(struct amdgpu_device *adev) 126 { 127 return adev->clock.spll.reference_freq; 128 } 129 130 131 void nv_grbm_select(struct amdgpu_device *adev, 132 u32 me, u32 pipe, u32 queue, u32 vmid) 133 { 134 u32 grbm_gfx_cntl = 0; 135 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe); 136 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me); 137 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid); 138 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue); 139 140 WREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_GFX_CNTL), grbm_gfx_cntl); 141 } 142 143 static void nv_vga_set_state(struct amdgpu_device *adev, bool state) 144 { 145 /* todo */ 146 } 147 148 static bool nv_read_disabled_bios(struct amdgpu_device *adev) 149 { 150 /* todo */ 151 return false; 152 } 153 154 static bool nv_read_bios_from_rom(struct amdgpu_device *adev, 155 u8 *bios, u32 length_bytes) 156 { 157 /* TODO: will implement it when SMU header is available */ 158 return false; 159 } 160 161 static struct soc15_allowed_register_entry nv_allowed_read_registers[] = { 162 { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS)}, 163 { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS2)}, 164 { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE0)}, 165 { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE1)}, 166 { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE2)}, 167 { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE3)}, 168 #if 0 /* TODO: will set it when SDMA header is available */ 169 { SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_STATUS_REG)}, 170 { SOC15_REG_ENTRY(SDMA1, 0, mmSDMA1_STATUS_REG)}, 171 #endif 172 { SOC15_REG_ENTRY(GC, 0, mmCP_STAT)}, 173 { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT1)}, 174 { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT2)}, 175 { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT3)}, 176 { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_BUSY_STAT)}, 177 { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STALLED_STAT1)}, 178 { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STATUS)}, 179 { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STALLED_STAT1)}, 180 { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STATUS)}, 181 { SOC15_REG_ENTRY(GC, 0, mmGB_ADDR_CONFIG)}, 182 }; 183 184 static uint32_t nv_read_indexed_register(struct amdgpu_device *adev, u32 se_num, 185 u32 sh_num, u32 reg_offset) 186 { 187 uint32_t val; 188 189 mutex_lock(&adev->grbm_idx_mutex); 190 if (se_num != 0xffffffff || sh_num != 0xffffffff) 191 amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff); 192 193 val = RREG32(reg_offset); 194 195 if (se_num != 0xffffffff || sh_num != 0xffffffff) 196 amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); 197 mutex_unlock(&adev->grbm_idx_mutex); 198 return val; 199 } 200 201 static uint32_t nv_get_register_value(struct amdgpu_device *adev, 202 bool indexed, u32 se_num, 203 u32 sh_num, u32 reg_offset) 204 { 205 if (indexed) { 206 return nv_read_indexed_register(adev, se_num, sh_num, reg_offset); 207 } else { 208 if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG)) 209 return adev->gfx.config.gb_addr_config; 210 return RREG32(reg_offset); 211 } 212 } 213 214 static int nv_read_register(struct amdgpu_device *adev, u32 se_num, 215 u32 sh_num, u32 reg_offset, u32 *value) 216 { 217 uint32_t i; 218 struct soc15_allowed_register_entry *en; 219 220 *value = 0; 221 for (i = 0; i < ARRAY_SIZE(nv_allowed_read_registers); i++) { 222 en = &nv_allowed_read_registers[i]; 223 if (reg_offset != 224 (adev->reg_offset[en->hwip][en->inst][en->seg] + en->reg_offset)) 225 continue; 226 227 *value = nv_get_register_value(adev, 228 nv_allowed_read_registers[i].grbm_indexed, 229 se_num, sh_num, reg_offset); 230 return 0; 231 } 232 return -EINVAL; 233 } 234 235 #if 0 236 static void nv_gpu_pci_config_reset(struct amdgpu_device *adev) 237 { 238 u32 i; 239 240 dev_info(adev->dev, "GPU pci config reset\n"); 241 242 /* disable BM */ 243 pci_clear_master(adev->pdev); 244 /* reset */ 245 amdgpu_pci_config_reset(adev); 246 247 udelay(100); 248 249 /* wait for asic to come out of reset */ 250 for (i = 0; i < adev->usec_timeout; i++) { 251 u32 memsize = nbio_v2_3_get_memsize(adev); 252 if (memsize != 0xffffffff) 253 break; 254 udelay(1); 255 } 256 257 } 258 #endif 259 260 static int nv_asic_mode1_reset(struct amdgpu_device *adev) 261 { 262 u32 i; 263 int ret = 0; 264 265 amdgpu_atombios_scratch_regs_engine_hung(adev, true); 266 267 dev_info(adev->dev, "GPU mode1 reset\n"); 268 269 /* disable BM */ 270 pci_clear_master(adev->pdev); 271 272 pci_save_state(adev->pdev); 273 274 ret = psp_gpu_reset(adev); 275 if (ret) 276 dev_err(adev->dev, "GPU mode1 reset failed\n"); 277 278 pci_restore_state(adev->pdev); 279 280 /* wait for asic to come out of reset */ 281 for (i = 0; i < adev->usec_timeout; i++) { 282 u32 memsize = adev->nbio_funcs->get_memsize(adev); 283 284 if (memsize != 0xffffffff) 285 break; 286 udelay(1); 287 } 288 289 amdgpu_atombios_scratch_regs_engine_hung(adev, false); 290 291 return ret; 292 } 293 294 static enum amd_reset_method 295 nv_asic_reset_method(struct amdgpu_device *adev) 296 { 297 struct smu_context *smu = &adev->smu; 298 299 if (smu_baco_is_support(smu)) 300 return AMD_RESET_METHOD_BACO; 301 else 302 return AMD_RESET_METHOD_MODE1; 303 } 304 305 static int nv_asic_reset(struct amdgpu_device *adev) 306 { 307 308 /* FIXME: it doesn't work since vega10 */ 309 #if 0 310 amdgpu_atombios_scratch_regs_engine_hung(adev, true); 311 312 nv_gpu_pci_config_reset(adev); 313 314 amdgpu_atombios_scratch_regs_engine_hung(adev, false); 315 #endif 316 int ret = 0; 317 struct smu_context *smu = &adev->smu; 318 319 if (nv_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) { 320 if (!adev->in_suspend) 321 amdgpu_inc_vram_lost(adev); 322 ret = smu_baco_reset(smu); 323 } else { 324 if (!adev->in_suspend) 325 amdgpu_inc_vram_lost(adev); 326 ret = nv_asic_mode1_reset(adev); 327 } 328 329 return ret; 330 } 331 332 static int nv_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk) 333 { 334 /* todo */ 335 return 0; 336 } 337 338 static int nv_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk) 339 { 340 /* todo */ 341 return 0; 342 } 343 344 static void nv_pcie_gen3_enable(struct amdgpu_device *adev) 345 { 346 if (pci_is_root_bus(adev->pdev->bus)) 347 return; 348 349 if (amdgpu_pcie_gen2 == 0) 350 return; 351 352 if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | 353 CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3))) 354 return; 355 356 /* todo */ 357 } 358 359 static void nv_program_aspm(struct amdgpu_device *adev) 360 { 361 362 if (amdgpu_aspm == 0) 363 return; 364 365 /* todo */ 366 } 367 368 static void nv_enable_doorbell_aperture(struct amdgpu_device *adev, 369 bool enable) 370 { 371 adev->nbio_funcs->enable_doorbell_aperture(adev, enable); 372 adev->nbio_funcs->enable_doorbell_selfring_aperture(adev, enable); 373 } 374 375 static const struct amdgpu_ip_block_version nv_common_ip_block = 376 { 377 .type = AMD_IP_BLOCK_TYPE_COMMON, 378 .major = 1, 379 .minor = 0, 380 .rev = 0, 381 .funcs = &nv_common_ip_funcs, 382 }; 383 384 static int nv_reg_base_init(struct amdgpu_device *adev) 385 { 386 int r; 387 388 if (amdgpu_discovery) { 389 r = amdgpu_discovery_reg_base_init(adev); 390 if (r) { 391 DRM_WARN("failed to init reg base from ip discovery table, " 392 "fallback to legacy init method\n"); 393 goto legacy_init; 394 } 395 396 return 0; 397 } 398 399 legacy_init: 400 switch (adev->asic_type) { 401 case CHIP_NAVI10: 402 navi10_reg_base_init(adev); 403 break; 404 case CHIP_NAVI14: 405 navi14_reg_base_init(adev); 406 break; 407 case CHIP_NAVI12: 408 navi12_reg_base_init(adev); 409 break; 410 default: 411 return -EINVAL; 412 } 413 414 return 0; 415 } 416 417 int nv_set_ip_blocks(struct amdgpu_device *adev) 418 { 419 int r; 420 421 /* Set IP register base before any HW register access */ 422 r = nv_reg_base_init(adev); 423 if (r) 424 return r; 425 426 adev->nbio_funcs = &nbio_v2_3_funcs; 427 428 adev->nbio_funcs->detect_hw_virt(adev); 429 430 switch (adev->asic_type) { 431 case CHIP_NAVI10: 432 case CHIP_NAVI14: 433 amdgpu_device_ip_block_add(adev, &nv_common_ip_block); 434 amdgpu_device_ip_block_add(adev, &gmc_v10_0_ip_block); 435 amdgpu_device_ip_block_add(adev, &navi10_ih_ip_block); 436 amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block); 437 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP && 438 is_support_sw_smu(adev)) 439 amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block); 440 if (adev->enable_virtual_display || amdgpu_sriov_vf(adev)) 441 amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block); 442 #if defined(CONFIG_DRM_AMD_DC) 443 else if (amdgpu_device_has_dc_support(adev)) 444 amdgpu_device_ip_block_add(adev, &dm_ip_block); 445 #endif 446 amdgpu_device_ip_block_add(adev, &gfx_v10_0_ip_block); 447 amdgpu_device_ip_block_add(adev, &sdma_v5_0_ip_block); 448 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT && 449 is_support_sw_smu(adev)) 450 amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block); 451 amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block); 452 if (adev->enable_mes) 453 amdgpu_device_ip_block_add(adev, &mes_v10_1_ip_block); 454 break; 455 case CHIP_NAVI12: 456 amdgpu_device_ip_block_add(adev, &nv_common_ip_block); 457 amdgpu_device_ip_block_add(adev, &gmc_v10_0_ip_block); 458 amdgpu_device_ip_block_add(adev, &navi10_ih_ip_block); 459 amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block); 460 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP && 461 is_support_sw_smu(adev)) 462 amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block); 463 if (adev->enable_virtual_display || amdgpu_sriov_vf(adev)) 464 amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block); 465 #if defined(CONFIG_DRM_AMD_DC) 466 else if (amdgpu_device_has_dc_support(adev)) 467 amdgpu_device_ip_block_add(adev, &dm_ip_block); 468 #endif 469 amdgpu_device_ip_block_add(adev, &gfx_v10_0_ip_block); 470 amdgpu_device_ip_block_add(adev, &sdma_v5_0_ip_block); 471 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT && 472 is_support_sw_smu(adev)) 473 amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block); 474 amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block); 475 break; 476 default: 477 return -EINVAL; 478 } 479 480 return 0; 481 } 482 483 static uint32_t nv_get_rev_id(struct amdgpu_device *adev) 484 { 485 return adev->nbio_funcs->get_rev_id(adev); 486 } 487 488 static void nv_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring) 489 { 490 adev->nbio_funcs->hdp_flush(adev, ring); 491 } 492 493 static void nv_invalidate_hdp(struct amdgpu_device *adev, 494 struct amdgpu_ring *ring) 495 { 496 if (!ring || !ring->funcs->emit_wreg) { 497 WREG32_SOC15_NO_KIQ(NBIO, 0, mmHDP_READ_CACHE_INVALIDATE, 1); 498 } else { 499 amdgpu_ring_emit_wreg(ring, SOC15_REG_OFFSET( 500 HDP, 0, mmHDP_READ_CACHE_INVALIDATE), 1); 501 } 502 } 503 504 static bool nv_need_full_reset(struct amdgpu_device *adev) 505 { 506 return true; 507 } 508 509 static void nv_get_pcie_usage(struct amdgpu_device *adev, 510 uint64_t *count0, 511 uint64_t *count1) 512 { 513 /*TODO*/ 514 } 515 516 static bool nv_need_reset_on_init(struct amdgpu_device *adev) 517 { 518 #if 0 519 u32 sol_reg; 520 521 if (adev->flags & AMD_IS_APU) 522 return false; 523 524 /* Check sOS sign of life register to confirm sys driver and sOS 525 * are already been loaded. 526 */ 527 sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81); 528 if (sol_reg) 529 return true; 530 #endif 531 /* TODO: re-enable it when mode1 reset is functional */ 532 return false; 533 } 534 535 static void nv_init_doorbell_index(struct amdgpu_device *adev) 536 { 537 adev->doorbell_index.kiq = AMDGPU_NAVI10_DOORBELL_KIQ; 538 adev->doorbell_index.mec_ring0 = AMDGPU_NAVI10_DOORBELL_MEC_RING0; 539 adev->doorbell_index.mec_ring1 = AMDGPU_NAVI10_DOORBELL_MEC_RING1; 540 adev->doorbell_index.mec_ring2 = AMDGPU_NAVI10_DOORBELL_MEC_RING2; 541 adev->doorbell_index.mec_ring3 = AMDGPU_NAVI10_DOORBELL_MEC_RING3; 542 adev->doorbell_index.mec_ring4 = AMDGPU_NAVI10_DOORBELL_MEC_RING4; 543 adev->doorbell_index.mec_ring5 = AMDGPU_NAVI10_DOORBELL_MEC_RING5; 544 adev->doorbell_index.mec_ring6 = AMDGPU_NAVI10_DOORBELL_MEC_RING6; 545 adev->doorbell_index.mec_ring7 = AMDGPU_NAVI10_DOORBELL_MEC_RING7; 546 adev->doorbell_index.userqueue_start = AMDGPU_NAVI10_DOORBELL_USERQUEUE_START; 547 adev->doorbell_index.userqueue_end = AMDGPU_NAVI10_DOORBELL_USERQUEUE_END; 548 adev->doorbell_index.gfx_ring0 = AMDGPU_NAVI10_DOORBELL_GFX_RING0; 549 adev->doorbell_index.gfx_ring1 = AMDGPU_NAVI10_DOORBELL_GFX_RING1; 550 adev->doorbell_index.sdma_engine[0] = AMDGPU_NAVI10_DOORBELL_sDMA_ENGINE0; 551 adev->doorbell_index.sdma_engine[1] = AMDGPU_NAVI10_DOORBELL_sDMA_ENGINE1; 552 adev->doorbell_index.ih = AMDGPU_NAVI10_DOORBELL_IH; 553 adev->doorbell_index.vcn.vcn_ring0_1 = AMDGPU_NAVI10_DOORBELL64_VCN0_1; 554 adev->doorbell_index.vcn.vcn_ring2_3 = AMDGPU_NAVI10_DOORBELL64_VCN2_3; 555 adev->doorbell_index.vcn.vcn_ring4_5 = AMDGPU_NAVI10_DOORBELL64_VCN4_5; 556 adev->doorbell_index.vcn.vcn_ring6_7 = AMDGPU_NAVI10_DOORBELL64_VCN6_7; 557 adev->doorbell_index.first_non_cp = AMDGPU_NAVI10_DOORBELL64_FIRST_NON_CP; 558 adev->doorbell_index.last_non_cp = AMDGPU_NAVI10_DOORBELL64_LAST_NON_CP; 559 560 adev->doorbell_index.max_assignment = AMDGPU_NAVI10_DOORBELL_MAX_ASSIGNMENT << 1; 561 adev->doorbell_index.sdma_doorbell_range = 20; 562 } 563 564 static const struct amdgpu_asic_funcs nv_asic_funcs = 565 { 566 .read_disabled_bios = &nv_read_disabled_bios, 567 .read_bios_from_rom = &nv_read_bios_from_rom, 568 .read_register = &nv_read_register, 569 .reset = &nv_asic_reset, 570 .reset_method = &nv_asic_reset_method, 571 .set_vga_state = &nv_vga_set_state, 572 .get_xclk = &nv_get_xclk, 573 .set_uvd_clocks = &nv_set_uvd_clocks, 574 .set_vce_clocks = &nv_set_vce_clocks, 575 .get_config_memsize = &nv_get_config_memsize, 576 .flush_hdp = &nv_flush_hdp, 577 .invalidate_hdp = &nv_invalidate_hdp, 578 .init_doorbell_index = &nv_init_doorbell_index, 579 .need_full_reset = &nv_need_full_reset, 580 .get_pcie_usage = &nv_get_pcie_usage, 581 .need_reset_on_init = &nv_need_reset_on_init, 582 }; 583 584 static int nv_common_early_init(void *handle) 585 { 586 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 587 588 adev->smc_rreg = NULL; 589 adev->smc_wreg = NULL; 590 adev->pcie_rreg = &nv_pcie_rreg; 591 adev->pcie_wreg = &nv_pcie_wreg; 592 593 /* TODO: will add them during VCN v2 implementation */ 594 adev->uvd_ctx_rreg = NULL; 595 adev->uvd_ctx_wreg = NULL; 596 597 adev->didt_rreg = &nv_didt_rreg; 598 adev->didt_wreg = &nv_didt_wreg; 599 600 adev->asic_funcs = &nv_asic_funcs; 601 602 adev->rev_id = nv_get_rev_id(adev); 603 adev->external_rev_id = 0xff; 604 switch (adev->asic_type) { 605 case CHIP_NAVI10: 606 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG | 607 AMD_CG_SUPPORT_GFX_CGCG | 608 AMD_CG_SUPPORT_IH_CG | 609 AMD_CG_SUPPORT_HDP_MGCG | 610 AMD_CG_SUPPORT_HDP_LS | 611 AMD_CG_SUPPORT_SDMA_MGCG | 612 AMD_CG_SUPPORT_SDMA_LS | 613 AMD_CG_SUPPORT_MC_MGCG | 614 AMD_CG_SUPPORT_MC_LS | 615 AMD_CG_SUPPORT_ATHUB_MGCG | 616 AMD_CG_SUPPORT_ATHUB_LS | 617 AMD_CG_SUPPORT_VCN_MGCG | 618 AMD_CG_SUPPORT_BIF_MGCG | 619 AMD_CG_SUPPORT_BIF_LS; 620 adev->pg_flags = AMD_PG_SUPPORT_VCN | 621 AMD_PG_SUPPORT_VCN_DPG | 622 AMD_PG_SUPPORT_ATHUB; 623 adev->external_rev_id = adev->rev_id + 0x1; 624 break; 625 case CHIP_NAVI14: 626 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG | 627 AMD_CG_SUPPORT_GFX_CGCG | 628 AMD_CG_SUPPORT_IH_CG | 629 AMD_CG_SUPPORT_HDP_MGCG | 630 AMD_CG_SUPPORT_HDP_LS | 631 AMD_CG_SUPPORT_SDMA_MGCG | 632 AMD_CG_SUPPORT_SDMA_LS | 633 AMD_CG_SUPPORT_MC_MGCG | 634 AMD_CG_SUPPORT_MC_LS | 635 AMD_CG_SUPPORT_ATHUB_MGCG | 636 AMD_CG_SUPPORT_ATHUB_LS | 637 AMD_CG_SUPPORT_VCN_MGCG | 638 AMD_CG_SUPPORT_BIF_MGCG | 639 AMD_CG_SUPPORT_BIF_LS; 640 adev->pg_flags = AMD_PG_SUPPORT_VCN | 641 AMD_PG_SUPPORT_VCN_DPG; 642 adev->external_rev_id = adev->rev_id + 20; 643 break; 644 case CHIP_NAVI12: 645 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG | 646 AMD_CG_SUPPORT_GFX_MGLS | 647 AMD_CG_SUPPORT_GFX_CGCG | 648 AMD_CG_SUPPORT_GFX_CP_LS | 649 AMD_CG_SUPPORT_GFX_RLC_LS | 650 AMD_CG_SUPPORT_IH_CG | 651 AMD_CG_SUPPORT_HDP_MGCG | 652 AMD_CG_SUPPORT_HDP_LS | 653 AMD_CG_SUPPORT_SDMA_MGCG | 654 AMD_CG_SUPPORT_SDMA_LS | 655 AMD_CG_SUPPORT_MC_MGCG | 656 AMD_CG_SUPPORT_MC_LS | 657 AMD_CG_SUPPORT_ATHUB_MGCG | 658 AMD_CG_SUPPORT_ATHUB_LS | 659 AMD_CG_SUPPORT_VCN_MGCG; 660 adev->pg_flags = AMD_PG_SUPPORT_VCN | 661 AMD_PG_SUPPORT_VCN_DPG | 662 AMD_PG_SUPPORT_ATHUB; 663 adev->external_rev_id = adev->rev_id + 0xa; 664 break; 665 default: 666 /* FIXME: not supported yet */ 667 return -EINVAL; 668 } 669 670 return 0; 671 } 672 673 static int nv_common_late_init(void *handle) 674 { 675 return 0; 676 } 677 678 static int nv_common_sw_init(void *handle) 679 { 680 return 0; 681 } 682 683 static int nv_common_sw_fini(void *handle) 684 { 685 return 0; 686 } 687 688 static int nv_common_hw_init(void *handle) 689 { 690 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 691 692 /* enable pcie gen2/3 link */ 693 nv_pcie_gen3_enable(adev); 694 /* enable aspm */ 695 nv_program_aspm(adev); 696 /* setup nbio registers */ 697 adev->nbio_funcs->init_registers(adev); 698 /* enable the doorbell aperture */ 699 nv_enable_doorbell_aperture(adev, true); 700 701 return 0; 702 } 703 704 static int nv_common_hw_fini(void *handle) 705 { 706 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 707 708 /* disable the doorbell aperture */ 709 nv_enable_doorbell_aperture(adev, false); 710 711 return 0; 712 } 713 714 static int nv_common_suspend(void *handle) 715 { 716 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 717 718 return nv_common_hw_fini(adev); 719 } 720 721 static int nv_common_resume(void *handle) 722 { 723 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 724 725 return nv_common_hw_init(adev); 726 } 727 728 static bool nv_common_is_idle(void *handle) 729 { 730 return true; 731 } 732 733 static int nv_common_wait_for_idle(void *handle) 734 { 735 return 0; 736 } 737 738 static int nv_common_soft_reset(void *handle) 739 { 740 return 0; 741 } 742 743 static void nv_update_hdp_mem_power_gating(struct amdgpu_device *adev, 744 bool enable) 745 { 746 uint32_t hdp_clk_cntl, hdp_clk_cntl1; 747 uint32_t hdp_mem_pwr_cntl; 748 749 if (!(adev->cg_flags & (AMD_CG_SUPPORT_HDP_LS | 750 AMD_CG_SUPPORT_HDP_DS | 751 AMD_CG_SUPPORT_HDP_SD))) 752 return; 753 754 hdp_clk_cntl = hdp_clk_cntl1 = RREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL); 755 hdp_mem_pwr_cntl = RREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL); 756 757 /* Before doing clock/power mode switch, 758 * forced on IPH & RC clock */ 759 hdp_clk_cntl = REG_SET_FIELD(hdp_clk_cntl, HDP_CLK_CNTL, 760 IPH_MEM_CLK_SOFT_OVERRIDE, 1); 761 hdp_clk_cntl = REG_SET_FIELD(hdp_clk_cntl, HDP_CLK_CNTL, 762 RC_MEM_CLK_SOFT_OVERRIDE, 1); 763 WREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL, hdp_clk_cntl); 764 765 /* HDP 5.0 doesn't support dynamic power mode switch, 766 * disable clock and power gating before any changing */ 767 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL, 768 IPH_MEM_POWER_CTRL_EN, 0); 769 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL, 770 IPH_MEM_POWER_LS_EN, 0); 771 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL, 772 IPH_MEM_POWER_DS_EN, 0); 773 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL, 774 IPH_MEM_POWER_SD_EN, 0); 775 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL, 776 RC_MEM_POWER_CTRL_EN, 0); 777 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL, 778 RC_MEM_POWER_LS_EN, 0); 779 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL, 780 RC_MEM_POWER_DS_EN, 0); 781 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL, 782 RC_MEM_POWER_SD_EN, 0); 783 WREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL, hdp_mem_pwr_cntl); 784 785 /* only one clock gating mode (LS/DS/SD) can be enabled */ 786 if (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS) { 787 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, 788 HDP_MEM_POWER_CTRL, 789 IPH_MEM_POWER_LS_EN, enable); 790 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, 791 HDP_MEM_POWER_CTRL, 792 RC_MEM_POWER_LS_EN, enable); 793 } else if (adev->cg_flags & AMD_CG_SUPPORT_HDP_DS) { 794 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, 795 HDP_MEM_POWER_CTRL, 796 IPH_MEM_POWER_DS_EN, enable); 797 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, 798 HDP_MEM_POWER_CTRL, 799 RC_MEM_POWER_DS_EN, enable); 800 } else if (adev->cg_flags & AMD_CG_SUPPORT_HDP_SD) { 801 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, 802 HDP_MEM_POWER_CTRL, 803 IPH_MEM_POWER_SD_EN, enable); 804 /* RC should not use shut down mode, fallback to ds */ 805 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, 806 HDP_MEM_POWER_CTRL, 807 RC_MEM_POWER_DS_EN, enable); 808 } 809 810 WREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL, hdp_mem_pwr_cntl); 811 812 /* restore IPH & RC clock override after clock/power mode changing */ 813 WREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL, hdp_clk_cntl1); 814 } 815 816 static void nv_update_hdp_clock_gating(struct amdgpu_device *adev, 817 bool enable) 818 { 819 uint32_t hdp_clk_cntl; 820 821 if (!(adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG)) 822 return; 823 824 hdp_clk_cntl = RREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL); 825 826 if (enable) { 827 hdp_clk_cntl &= 828 ~(uint32_t) 829 (HDP_CLK_CNTL__IPH_MEM_CLK_SOFT_OVERRIDE_MASK | 830 HDP_CLK_CNTL__RC_MEM_CLK_SOFT_OVERRIDE_MASK | 831 HDP_CLK_CNTL__DBUS_CLK_SOFT_OVERRIDE_MASK | 832 HDP_CLK_CNTL__DYN_CLK_SOFT_OVERRIDE_MASK | 833 HDP_CLK_CNTL__XDP_REG_CLK_SOFT_OVERRIDE_MASK | 834 HDP_CLK_CNTL__HDP_REG_CLK_SOFT_OVERRIDE_MASK); 835 } else { 836 hdp_clk_cntl |= HDP_CLK_CNTL__IPH_MEM_CLK_SOFT_OVERRIDE_MASK | 837 HDP_CLK_CNTL__RC_MEM_CLK_SOFT_OVERRIDE_MASK | 838 HDP_CLK_CNTL__DBUS_CLK_SOFT_OVERRIDE_MASK | 839 HDP_CLK_CNTL__DYN_CLK_SOFT_OVERRIDE_MASK | 840 HDP_CLK_CNTL__XDP_REG_CLK_SOFT_OVERRIDE_MASK | 841 HDP_CLK_CNTL__HDP_REG_CLK_SOFT_OVERRIDE_MASK; 842 } 843 844 WREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL, hdp_clk_cntl); 845 } 846 847 static int nv_common_set_clockgating_state(void *handle, 848 enum amd_clockgating_state state) 849 { 850 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 851 852 if (amdgpu_sriov_vf(adev)) 853 return 0; 854 855 switch (adev->asic_type) { 856 case CHIP_NAVI10: 857 case CHIP_NAVI14: 858 case CHIP_NAVI12: 859 adev->nbio_funcs->update_medium_grain_clock_gating(adev, 860 state == AMD_CG_STATE_GATE ? true : false); 861 adev->nbio_funcs->update_medium_grain_light_sleep(adev, 862 state == AMD_CG_STATE_GATE ? true : false); 863 nv_update_hdp_mem_power_gating(adev, 864 state == AMD_CG_STATE_GATE ? true : false); 865 nv_update_hdp_clock_gating(adev, 866 state == AMD_CG_STATE_GATE ? true : false); 867 break; 868 default: 869 break; 870 } 871 return 0; 872 } 873 874 static int nv_common_set_powergating_state(void *handle, 875 enum amd_powergating_state state) 876 { 877 /* TODO */ 878 return 0; 879 } 880 881 static void nv_common_get_clockgating_state(void *handle, u32 *flags) 882 { 883 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 884 uint32_t tmp; 885 886 if (amdgpu_sriov_vf(adev)) 887 *flags = 0; 888 889 adev->nbio_funcs->get_clockgating_state(adev, flags); 890 891 /* AMD_CG_SUPPORT_HDP_MGCG */ 892 tmp = RREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL); 893 if (!(tmp & (HDP_CLK_CNTL__IPH_MEM_CLK_SOFT_OVERRIDE_MASK | 894 HDP_CLK_CNTL__RC_MEM_CLK_SOFT_OVERRIDE_MASK | 895 HDP_CLK_CNTL__DBUS_CLK_SOFT_OVERRIDE_MASK | 896 HDP_CLK_CNTL__DYN_CLK_SOFT_OVERRIDE_MASK | 897 HDP_CLK_CNTL__XDP_REG_CLK_SOFT_OVERRIDE_MASK | 898 HDP_CLK_CNTL__HDP_REG_CLK_SOFT_OVERRIDE_MASK))) 899 *flags |= AMD_CG_SUPPORT_HDP_MGCG; 900 901 /* AMD_CG_SUPPORT_HDP_LS/DS/SD */ 902 tmp = RREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL); 903 if (tmp & HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK) 904 *flags |= AMD_CG_SUPPORT_HDP_LS; 905 else if (tmp & HDP_MEM_POWER_CTRL__IPH_MEM_POWER_DS_EN_MASK) 906 *flags |= AMD_CG_SUPPORT_HDP_DS; 907 else if (tmp & HDP_MEM_POWER_CTRL__IPH_MEM_POWER_SD_EN_MASK) 908 *flags |= AMD_CG_SUPPORT_HDP_SD; 909 910 return; 911 } 912 913 static const struct amd_ip_funcs nv_common_ip_funcs = { 914 .name = "nv_common", 915 .early_init = nv_common_early_init, 916 .late_init = nv_common_late_init, 917 .sw_init = nv_common_sw_init, 918 .sw_fini = nv_common_sw_fini, 919 .hw_init = nv_common_hw_init, 920 .hw_fini = nv_common_hw_fini, 921 .suspend = nv_common_suspend, 922 .resume = nv_common_resume, 923 .is_idle = nv_common_is_idle, 924 .wait_for_idle = nv_common_wait_for_idle, 925 .soft_reset = nv_common_soft_reset, 926 .set_clockgating_state = nv_common_set_clockgating_state, 927 .set_powergating_state = nv_common_set_powergating_state, 928 .get_clockgating_state = nv_common_get_clockgating_state, 929 }; 930