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 #include <linux/firmware.h> 24 #include <linux/slab.h> 25 #include <linux/module.h> 26 #include "drmP.h" 27 #include "amdgpu.h" 28 #include "amdgpu_atombios.h" 29 #include "amdgpu_ih.h" 30 #include "amdgpu_uvd.h" 31 #include "amdgpu_vce.h" 32 #include "amdgpu_ucode.h" 33 #include "amdgpu_psp.h" 34 #include "atom.h" 35 #include "amd_pcie.h" 36 37 #include "vega10/soc15ip.h" 38 #include "vega10/UVD/uvd_7_0_offset.h" 39 #include "vega10/GC/gc_9_0_offset.h" 40 #include "vega10/GC/gc_9_0_sh_mask.h" 41 #include "vega10/SDMA0/sdma0_4_0_offset.h" 42 #include "vega10/SDMA1/sdma1_4_0_offset.h" 43 #include "vega10/HDP/hdp_4_0_offset.h" 44 #include "vega10/HDP/hdp_4_0_sh_mask.h" 45 #include "vega10/MP/mp_9_0_offset.h" 46 #include "vega10/MP/mp_9_0_sh_mask.h" 47 #include "vega10/SMUIO/smuio_9_0_offset.h" 48 #include "vega10/SMUIO/smuio_9_0_sh_mask.h" 49 50 #include "soc15.h" 51 #include "soc15_common.h" 52 #include "gfx_v9_0.h" 53 #include "gmc_v9_0.h" 54 #include "gfxhub_v1_0.h" 55 #include "mmhub_v1_0.h" 56 #include "vega10_ih.h" 57 #include "sdma_v4_0.h" 58 #include "uvd_v7_0.h" 59 #include "vce_v4_0.h" 60 #include "amdgpu_powerplay.h" 61 #include "dce_virtual.h" 62 #include "mxgpu_ai.h" 63 64 MODULE_FIRMWARE("amdgpu/vega10_smc.bin"); 65 66 #define mmFabricConfigAccessControl 0x0410 67 #define mmFabricConfigAccessControl_BASE_IDX 0 68 #define mmFabricConfigAccessControl_DEFAULT 0x00000000 69 //FabricConfigAccessControl 70 #define FabricConfigAccessControl__CfgRegInstAccEn__SHIFT 0x0 71 #define FabricConfigAccessControl__CfgRegInstAccRegLock__SHIFT 0x1 72 #define FabricConfigAccessControl__CfgRegInstID__SHIFT 0x10 73 #define FabricConfigAccessControl__CfgRegInstAccEn_MASK 0x00000001L 74 #define FabricConfigAccessControl__CfgRegInstAccRegLock_MASK 0x00000002L 75 #define FabricConfigAccessControl__CfgRegInstID_MASK 0x00FF0000L 76 77 78 #define mmDF_PIE_AON0_DfGlobalClkGater 0x00fc 79 #define mmDF_PIE_AON0_DfGlobalClkGater_BASE_IDX 0 80 //DF_PIE_AON0_DfGlobalClkGater 81 #define DF_PIE_AON0_DfGlobalClkGater__MGCGMode__SHIFT 0x0 82 #define DF_PIE_AON0_DfGlobalClkGater__MGCGMode_MASK 0x0000000FL 83 84 enum { 85 DF_MGCG_DISABLE = 0, 86 DF_MGCG_ENABLE_00_CYCLE_DELAY =1, 87 DF_MGCG_ENABLE_01_CYCLE_DELAY =2, 88 DF_MGCG_ENABLE_15_CYCLE_DELAY =13, 89 DF_MGCG_ENABLE_31_CYCLE_DELAY =14, 90 DF_MGCG_ENABLE_63_CYCLE_DELAY =15 91 }; 92 93 #define mmMP0_MISC_CGTT_CTRL0 0x01b9 94 #define mmMP0_MISC_CGTT_CTRL0_BASE_IDX 0 95 #define mmMP0_MISC_LIGHT_SLEEP_CTRL 0x01ba 96 #define mmMP0_MISC_LIGHT_SLEEP_CTRL_BASE_IDX 0 97 98 /* 99 * Indirect registers accessor 100 */ 101 static u32 soc15_pcie_rreg(struct amdgpu_device *adev, u32 reg) 102 { 103 unsigned long flags, address, data; 104 u32 r; 105 struct nbio_pcie_index_data *nbio_pcie_id; 106 107 if (adev->asic_type == CHIP_VEGA10) 108 nbio_pcie_id = &nbio_v6_1_pcie_index_data; 109 110 address = nbio_pcie_id->index_offset; 111 data = nbio_pcie_id->data_offset; 112 113 spin_lock_irqsave(&adev->pcie_idx_lock, flags); 114 WREG32(address, reg); 115 (void)RREG32(address); 116 r = RREG32(data); 117 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); 118 return r; 119 } 120 121 static void soc15_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v) 122 { 123 unsigned long flags, address, data; 124 struct nbio_pcie_index_data *nbio_pcie_id; 125 126 if (adev->asic_type == CHIP_VEGA10) 127 nbio_pcie_id = &nbio_v6_1_pcie_index_data; 128 129 address = nbio_pcie_id->index_offset; 130 data = nbio_pcie_id->data_offset; 131 132 spin_lock_irqsave(&adev->pcie_idx_lock, flags); 133 WREG32(address, reg); 134 (void)RREG32(address); 135 WREG32(data, v); 136 (void)RREG32(data); 137 spin_unlock_irqrestore(&adev->pcie_idx_lock, flags); 138 } 139 140 static u32 soc15_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg) 141 { 142 unsigned long flags, address, data; 143 u32 r; 144 145 address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX); 146 data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA); 147 148 spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags); 149 WREG32(address, ((reg) & 0x1ff)); 150 r = RREG32(data); 151 spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags); 152 return r; 153 } 154 155 static void soc15_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v) 156 { 157 unsigned long flags, address, data; 158 159 address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX); 160 data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA); 161 162 spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags); 163 WREG32(address, ((reg) & 0x1ff)); 164 WREG32(data, (v)); 165 spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags); 166 } 167 168 static u32 soc15_didt_rreg(struct amdgpu_device *adev, u32 reg) 169 { 170 unsigned long flags, address, data; 171 u32 r; 172 173 address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX); 174 data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA); 175 176 spin_lock_irqsave(&adev->didt_idx_lock, flags); 177 WREG32(address, (reg)); 178 r = RREG32(data); 179 spin_unlock_irqrestore(&adev->didt_idx_lock, flags); 180 return r; 181 } 182 183 static void soc15_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v) 184 { 185 unsigned long flags, address, data; 186 187 address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX); 188 data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA); 189 190 spin_lock_irqsave(&adev->didt_idx_lock, flags); 191 WREG32(address, (reg)); 192 WREG32(data, (v)); 193 spin_unlock_irqrestore(&adev->didt_idx_lock, flags); 194 } 195 196 static u32 soc15_get_config_memsize(struct amdgpu_device *adev) 197 { 198 return nbio_v6_1_get_memsize(adev); 199 } 200 201 static const u32 vega10_golden_init[] = 202 { 203 }; 204 205 static void soc15_init_golden_registers(struct amdgpu_device *adev) 206 { 207 /* Some of the registers might be dependent on GRBM_GFX_INDEX */ 208 mutex_lock(&adev->grbm_idx_mutex); 209 210 switch (adev->asic_type) { 211 case CHIP_VEGA10: 212 amdgpu_program_register_sequence(adev, 213 vega10_golden_init, 214 (const u32)ARRAY_SIZE(vega10_golden_init)); 215 break; 216 default: 217 break; 218 } 219 mutex_unlock(&adev->grbm_idx_mutex); 220 } 221 static u32 soc15_get_xclk(struct amdgpu_device *adev) 222 { 223 if (adev->asic_type == CHIP_VEGA10) 224 return adev->clock.spll.reference_freq/4; 225 else 226 return adev->clock.spll.reference_freq; 227 } 228 229 230 void soc15_grbm_select(struct amdgpu_device *adev, 231 u32 me, u32 pipe, u32 queue, u32 vmid) 232 { 233 u32 grbm_gfx_cntl = 0; 234 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe); 235 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me); 236 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid); 237 grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue); 238 239 WREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_GFX_CNTL), grbm_gfx_cntl); 240 } 241 242 static void soc15_vga_set_state(struct amdgpu_device *adev, bool state) 243 { 244 /* todo */ 245 } 246 247 static bool soc15_read_disabled_bios(struct amdgpu_device *adev) 248 { 249 /* todo */ 250 return false; 251 } 252 253 static bool soc15_read_bios_from_rom(struct amdgpu_device *adev, 254 u8 *bios, u32 length_bytes) 255 { 256 u32 *dw_ptr; 257 u32 i, length_dw; 258 259 if (bios == NULL) 260 return false; 261 if (length_bytes == 0) 262 return false; 263 /* APU vbios image is part of sbios image */ 264 if (adev->flags & AMD_IS_APU) 265 return false; 266 267 dw_ptr = (u32 *)bios; 268 length_dw = ALIGN(length_bytes, 4) / 4; 269 270 /* set rom index to 0 */ 271 WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_INDEX), 0); 272 /* read out the rom data */ 273 for (i = 0; i < length_dw; i++) 274 dw_ptr[i] = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_DATA)); 275 276 return true; 277 } 278 279 static struct amdgpu_allowed_register_entry vega10_allowed_read_registers[] = { 280 /* todo */ 281 }; 282 283 static struct amdgpu_allowed_register_entry soc15_allowed_read_registers[] = { 284 { SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS), false}, 285 { SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS2), false}, 286 { SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS_SE0), false}, 287 { SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS_SE1), false}, 288 { SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS_SE2), false}, 289 { SOC15_REG_OFFSET(GC, 0, mmGRBM_STATUS_SE3), false}, 290 { SOC15_REG_OFFSET(SDMA0, 0, mmSDMA0_STATUS_REG), false}, 291 { SOC15_REG_OFFSET(SDMA1, 0, mmSDMA1_STATUS_REG), false}, 292 { SOC15_REG_OFFSET(GC, 0, mmCP_STAT), false}, 293 { SOC15_REG_OFFSET(GC, 0, mmCP_STALLED_STAT1), false}, 294 { SOC15_REG_OFFSET(GC, 0, mmCP_STALLED_STAT2), false}, 295 { SOC15_REG_OFFSET(GC, 0, mmCP_STALLED_STAT3), false}, 296 { SOC15_REG_OFFSET(GC, 0, mmCP_CPF_BUSY_STAT), false}, 297 { SOC15_REG_OFFSET(GC, 0, mmCP_CPF_STALLED_STAT1), false}, 298 { SOC15_REG_OFFSET(GC, 0, mmCP_CPF_STATUS), false}, 299 { SOC15_REG_OFFSET(GC, 0, mmCP_CPF_BUSY_STAT), false}, 300 { SOC15_REG_OFFSET(GC, 0, mmCP_CPC_STALLED_STAT1), false}, 301 { SOC15_REG_OFFSET(GC, 0, mmCP_CPC_STATUS), false}, 302 { SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG), false}, 303 { SOC15_REG_OFFSET(GC, 0, mmCC_RB_BACKEND_DISABLE), false, true}, 304 { SOC15_REG_OFFSET(GC, 0, mmGC_USER_RB_BACKEND_DISABLE), false, true}, 305 { SOC15_REG_OFFSET(GC, 0, mmGB_BACKEND_MAP), false, false}, 306 }; 307 308 static uint32_t soc15_read_indexed_register(struct amdgpu_device *adev, u32 se_num, 309 u32 sh_num, u32 reg_offset) 310 { 311 uint32_t val; 312 313 mutex_lock(&adev->grbm_idx_mutex); 314 if (se_num != 0xffffffff || sh_num != 0xffffffff) 315 amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff); 316 317 val = RREG32(reg_offset); 318 319 if (se_num != 0xffffffff || sh_num != 0xffffffff) 320 amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff); 321 mutex_unlock(&adev->grbm_idx_mutex); 322 return val; 323 } 324 325 static int soc15_read_register(struct amdgpu_device *adev, u32 se_num, 326 u32 sh_num, u32 reg_offset, u32 *value) 327 { 328 struct amdgpu_allowed_register_entry *asic_register_table = NULL; 329 struct amdgpu_allowed_register_entry *asic_register_entry; 330 uint32_t size, i; 331 332 *value = 0; 333 switch (adev->asic_type) { 334 case CHIP_VEGA10: 335 asic_register_table = vega10_allowed_read_registers; 336 size = ARRAY_SIZE(vega10_allowed_read_registers); 337 break; 338 default: 339 return -EINVAL; 340 } 341 342 if (asic_register_table) { 343 for (i = 0; i < size; i++) { 344 asic_register_entry = asic_register_table + i; 345 if (reg_offset != asic_register_entry->reg_offset) 346 continue; 347 if (!asic_register_entry->untouched) 348 *value = asic_register_entry->grbm_indexed ? 349 soc15_read_indexed_register(adev, se_num, 350 sh_num, reg_offset) : 351 RREG32(reg_offset); 352 return 0; 353 } 354 } 355 356 for (i = 0; i < ARRAY_SIZE(soc15_allowed_read_registers); i++) { 357 if (reg_offset != soc15_allowed_read_registers[i].reg_offset) 358 continue; 359 360 if (!soc15_allowed_read_registers[i].untouched) 361 *value = soc15_allowed_read_registers[i].grbm_indexed ? 362 soc15_read_indexed_register(adev, se_num, 363 sh_num, reg_offset) : 364 RREG32(reg_offset); 365 return 0; 366 } 367 return -EINVAL; 368 } 369 370 static void soc15_gpu_pci_config_reset(struct amdgpu_device *adev) 371 { 372 u32 i; 373 374 dev_info(adev->dev, "GPU pci config reset\n"); 375 376 /* disable BM */ 377 pci_clear_master(adev->pdev); 378 /* reset */ 379 amdgpu_pci_config_reset(adev); 380 381 udelay(100); 382 383 /* wait for asic to come out of reset */ 384 for (i = 0; i < adev->usec_timeout; i++) { 385 if (nbio_v6_1_get_memsize(adev) != 0xffffffff) 386 break; 387 udelay(1); 388 } 389 390 } 391 392 static int soc15_asic_reset(struct amdgpu_device *adev) 393 { 394 amdgpu_atombios_scratch_regs_engine_hung(adev, true); 395 396 soc15_gpu_pci_config_reset(adev); 397 398 amdgpu_atombios_scratch_regs_engine_hung(adev, false); 399 400 return 0; 401 } 402 403 /*static int soc15_set_uvd_clock(struct amdgpu_device *adev, u32 clock, 404 u32 cntl_reg, u32 status_reg) 405 { 406 return 0; 407 }*/ 408 409 static int soc15_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk) 410 { 411 /*int r; 412 413 r = soc15_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS); 414 if (r) 415 return r; 416 417 r = soc15_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS); 418 */ 419 return 0; 420 } 421 422 static int soc15_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk) 423 { 424 /* todo */ 425 426 return 0; 427 } 428 429 static void soc15_pcie_gen3_enable(struct amdgpu_device *adev) 430 { 431 if (pci_is_root_bus(adev->pdev->bus)) 432 return; 433 434 if (amdgpu_pcie_gen2 == 0) 435 return; 436 437 if (adev->flags & AMD_IS_APU) 438 return; 439 440 if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 | 441 CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3))) 442 return; 443 444 /* todo */ 445 } 446 447 static void soc15_program_aspm(struct amdgpu_device *adev) 448 { 449 450 if (amdgpu_aspm == 0) 451 return; 452 453 /* todo */ 454 } 455 456 static void soc15_enable_doorbell_aperture(struct amdgpu_device *adev, 457 bool enable) 458 { 459 nbio_v6_1_enable_doorbell_aperture(adev, enable); 460 nbio_v6_1_enable_doorbell_selfring_aperture(adev, enable); 461 } 462 463 static const struct amdgpu_ip_block_version vega10_common_ip_block = 464 { 465 .type = AMD_IP_BLOCK_TYPE_COMMON, 466 .major = 2, 467 .minor = 0, 468 .rev = 0, 469 .funcs = &soc15_common_ip_funcs, 470 }; 471 472 int soc15_set_ip_blocks(struct amdgpu_device *adev) 473 { 474 nbio_v6_1_detect_hw_virt(adev); 475 476 if (amdgpu_sriov_vf(adev)) 477 adev->virt.ops = &xgpu_ai_virt_ops; 478 479 switch (adev->asic_type) { 480 case CHIP_VEGA10: 481 amdgpu_ip_block_add(adev, &vega10_common_ip_block); 482 amdgpu_ip_block_add(adev, &gfxhub_v1_0_ip_block); 483 amdgpu_ip_block_add(adev, &mmhub_v1_0_ip_block); 484 amdgpu_ip_block_add(adev, &gmc_v9_0_ip_block); 485 amdgpu_ip_block_add(adev, &vega10_ih_ip_block); 486 if (!amdgpu_sriov_vf(adev)) 487 amdgpu_ip_block_add(adev, &psp_v3_1_ip_block); 488 amdgpu_ip_block_add(adev, &amdgpu_pp_ip_block); 489 if (adev->enable_virtual_display || amdgpu_sriov_vf(adev)) 490 amdgpu_ip_block_add(adev, &dce_virtual_ip_block); 491 amdgpu_ip_block_add(adev, &gfx_v9_0_ip_block); 492 amdgpu_ip_block_add(adev, &sdma_v4_0_ip_block); 493 if (!amdgpu_sriov_vf(adev)) 494 amdgpu_ip_block_add(adev, &uvd_v7_0_ip_block); 495 amdgpu_ip_block_add(adev, &vce_v4_0_ip_block); 496 break; 497 default: 498 return -EINVAL; 499 } 500 501 return 0; 502 } 503 504 static uint32_t soc15_get_rev_id(struct amdgpu_device *adev) 505 { 506 return nbio_v6_1_get_rev_id(adev); 507 } 508 509 510 int gmc_v9_0_mc_wait_for_idle(struct amdgpu_device *adev) 511 { 512 /* to be implemented in MC IP*/ 513 return 0; 514 } 515 516 static const struct amdgpu_asic_funcs soc15_asic_funcs = 517 { 518 .read_disabled_bios = &soc15_read_disabled_bios, 519 .read_bios_from_rom = &soc15_read_bios_from_rom, 520 .read_register = &soc15_read_register, 521 .reset = &soc15_asic_reset, 522 .set_vga_state = &soc15_vga_set_state, 523 .get_xclk = &soc15_get_xclk, 524 .set_uvd_clocks = &soc15_set_uvd_clocks, 525 .set_vce_clocks = &soc15_set_vce_clocks, 526 .get_config_memsize = &soc15_get_config_memsize, 527 }; 528 529 static int soc15_common_early_init(void *handle) 530 { 531 bool psp_enabled = false; 532 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 533 534 adev->smc_rreg = NULL; 535 adev->smc_wreg = NULL; 536 adev->pcie_rreg = &soc15_pcie_rreg; 537 adev->pcie_wreg = &soc15_pcie_wreg; 538 adev->uvd_ctx_rreg = &soc15_uvd_ctx_rreg; 539 adev->uvd_ctx_wreg = &soc15_uvd_ctx_wreg; 540 adev->didt_rreg = &soc15_didt_rreg; 541 adev->didt_wreg = &soc15_didt_wreg; 542 543 adev->asic_funcs = &soc15_asic_funcs; 544 545 if (amdgpu_get_ip_block(adev, AMD_IP_BLOCK_TYPE_PSP) && 546 (amdgpu_ip_block_mask & (1 << AMD_IP_BLOCK_TYPE_PSP))) 547 psp_enabled = true; 548 549 if (amdgpu_sriov_vf(adev)) { 550 amdgpu_virt_init_setting(adev); 551 } 552 553 /* 554 * nbio need be used for both sdma and gfx9, but only 555 * initializes once 556 */ 557 switch(adev->asic_type) { 558 case CHIP_VEGA10: 559 nbio_v6_1_init(adev); 560 break; 561 default: 562 return -EINVAL; 563 } 564 565 adev->rev_id = soc15_get_rev_id(adev); 566 adev->external_rev_id = 0xFF; 567 switch (adev->asic_type) { 568 case CHIP_VEGA10: 569 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG | 570 AMD_CG_SUPPORT_GFX_MGLS | 571 AMD_CG_SUPPORT_GFX_RLC_LS | 572 AMD_CG_SUPPORT_GFX_CP_LS | 573 AMD_CG_SUPPORT_GFX_3D_CGCG | 574 AMD_CG_SUPPORT_GFX_3D_CGLS | 575 AMD_CG_SUPPORT_GFX_CGCG | 576 AMD_CG_SUPPORT_GFX_CGLS | 577 AMD_CG_SUPPORT_BIF_MGCG | 578 AMD_CG_SUPPORT_BIF_LS | 579 AMD_CG_SUPPORT_HDP_LS | 580 AMD_CG_SUPPORT_DRM_MGCG | 581 AMD_CG_SUPPORT_DRM_LS | 582 AMD_CG_SUPPORT_ROM_MGCG | 583 AMD_CG_SUPPORT_DF_MGCG | 584 AMD_CG_SUPPORT_SDMA_MGCG | 585 AMD_CG_SUPPORT_SDMA_LS | 586 AMD_CG_SUPPORT_MC_MGCG | 587 AMD_CG_SUPPORT_MC_LS; 588 adev->pg_flags = 0; 589 adev->external_rev_id = 0x1; 590 break; 591 default: 592 /* FIXME: not supported yet */ 593 return -EINVAL; 594 } 595 596 adev->firmware.load_type = amdgpu_ucode_get_load_type(adev, amdgpu_fw_load_type); 597 598 amdgpu_get_pcie_info(adev); 599 600 return 0; 601 } 602 603 static int soc15_common_sw_init(void *handle) 604 { 605 return 0; 606 } 607 608 static int soc15_common_sw_fini(void *handle) 609 { 610 return 0; 611 } 612 613 static int soc15_common_hw_init(void *handle) 614 { 615 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 616 617 /* move the golden regs per IP block */ 618 soc15_init_golden_registers(adev); 619 /* enable pcie gen2/3 link */ 620 soc15_pcie_gen3_enable(adev); 621 /* enable aspm */ 622 soc15_program_aspm(adev); 623 /* enable the doorbell aperture */ 624 soc15_enable_doorbell_aperture(adev, true); 625 626 return 0; 627 } 628 629 static int soc15_common_hw_fini(void *handle) 630 { 631 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 632 633 /* disable the doorbell aperture */ 634 soc15_enable_doorbell_aperture(adev, false); 635 636 return 0; 637 } 638 639 static int soc15_common_suspend(void *handle) 640 { 641 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 642 643 return soc15_common_hw_fini(adev); 644 } 645 646 static int soc15_common_resume(void *handle) 647 { 648 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 649 650 return soc15_common_hw_init(adev); 651 } 652 653 static bool soc15_common_is_idle(void *handle) 654 { 655 return true; 656 } 657 658 static int soc15_common_wait_for_idle(void *handle) 659 { 660 return 0; 661 } 662 663 static int soc15_common_soft_reset(void *handle) 664 { 665 return 0; 666 } 667 668 static void soc15_update_hdp_light_sleep(struct amdgpu_device *adev, bool enable) 669 { 670 uint32_t def, data; 671 672 def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS)); 673 674 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS)) 675 data |= HDP_MEM_POWER_LS__LS_ENABLE_MASK; 676 else 677 data &= ~HDP_MEM_POWER_LS__LS_ENABLE_MASK; 678 679 if (def != data) 680 WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS), data); 681 } 682 683 static void soc15_update_drm_clock_gating(struct amdgpu_device *adev, bool enable) 684 { 685 uint32_t def, data; 686 687 def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0)); 688 689 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_MGCG)) 690 data &= ~(0x01000000 | 691 0x02000000 | 692 0x04000000 | 693 0x08000000 | 694 0x10000000 | 695 0x20000000 | 696 0x40000000 | 697 0x80000000); 698 else 699 data |= (0x01000000 | 700 0x02000000 | 701 0x04000000 | 702 0x08000000 | 703 0x10000000 | 704 0x20000000 | 705 0x40000000 | 706 0x80000000); 707 708 if (def != data) 709 WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0), data); 710 } 711 712 static void soc15_update_drm_light_sleep(struct amdgpu_device *adev, bool enable) 713 { 714 uint32_t def, data; 715 716 def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL)); 717 718 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_LS)) 719 data |= 1; 720 else 721 data &= ~1; 722 723 if (def != data) 724 WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL), data); 725 } 726 727 static void soc15_update_rom_medium_grain_clock_gating(struct amdgpu_device *adev, 728 bool enable) 729 { 730 uint32_t def, data; 731 732 def = data = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0)); 733 734 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ROM_MGCG)) 735 data &= ~(CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK | 736 CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK); 737 else 738 data |= CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK | 739 CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK; 740 741 if (def != data) 742 WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0), data); 743 } 744 745 static void soc15_update_df_medium_grain_clock_gating(struct amdgpu_device *adev, 746 bool enable) 747 { 748 uint32_t data; 749 750 /* Put DF on broadcast mode */ 751 data = RREG32(SOC15_REG_OFFSET(DF, 0, mmFabricConfigAccessControl)); 752 data &= ~FabricConfigAccessControl__CfgRegInstAccEn_MASK; 753 WREG32(SOC15_REG_OFFSET(DF, 0, mmFabricConfigAccessControl), data); 754 755 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DF_MGCG)) { 756 data = RREG32(SOC15_REG_OFFSET(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater)); 757 data &= ~DF_PIE_AON0_DfGlobalClkGater__MGCGMode_MASK; 758 data |= DF_MGCG_ENABLE_15_CYCLE_DELAY; 759 WREG32(SOC15_REG_OFFSET(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater), data); 760 } else { 761 data = RREG32(SOC15_REG_OFFSET(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater)); 762 data &= ~DF_PIE_AON0_DfGlobalClkGater__MGCGMode_MASK; 763 data |= DF_MGCG_DISABLE; 764 WREG32(SOC15_REG_OFFSET(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater), data); 765 } 766 767 WREG32(SOC15_REG_OFFSET(DF, 0, mmFabricConfigAccessControl), 768 mmFabricConfigAccessControl_DEFAULT); 769 } 770 771 static int soc15_common_set_clockgating_state(void *handle, 772 enum amd_clockgating_state state) 773 { 774 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 775 776 if (amdgpu_sriov_vf(adev)) 777 return 0; 778 779 switch (adev->asic_type) { 780 case CHIP_VEGA10: 781 nbio_v6_1_update_medium_grain_clock_gating(adev, 782 state == AMD_CG_STATE_GATE ? true : false); 783 nbio_v6_1_update_medium_grain_light_sleep(adev, 784 state == AMD_CG_STATE_GATE ? true : false); 785 soc15_update_hdp_light_sleep(adev, 786 state == AMD_CG_STATE_GATE ? true : false); 787 soc15_update_drm_clock_gating(adev, 788 state == AMD_CG_STATE_GATE ? true : false); 789 soc15_update_drm_light_sleep(adev, 790 state == AMD_CG_STATE_GATE ? true : false); 791 soc15_update_rom_medium_grain_clock_gating(adev, 792 state == AMD_CG_STATE_GATE ? true : false); 793 soc15_update_df_medium_grain_clock_gating(adev, 794 state == AMD_CG_STATE_GATE ? true : false); 795 break; 796 default: 797 break; 798 } 799 return 0; 800 } 801 802 static void soc15_common_get_clockgating_state(void *handle, u32 *flags) 803 { 804 struct amdgpu_device *adev = (struct amdgpu_device *)handle; 805 int data; 806 807 if (amdgpu_sriov_vf(adev)) 808 *flags = 0; 809 810 nbio_v6_1_get_clockgating_state(adev, flags); 811 812 /* AMD_CG_SUPPORT_HDP_LS */ 813 data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS)); 814 if (data & HDP_MEM_POWER_LS__LS_ENABLE_MASK) 815 *flags |= AMD_CG_SUPPORT_HDP_LS; 816 817 /* AMD_CG_SUPPORT_DRM_MGCG */ 818 data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0)); 819 if (!(data & 0x01000000)) 820 *flags |= AMD_CG_SUPPORT_DRM_MGCG; 821 822 /* AMD_CG_SUPPORT_DRM_LS */ 823 data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL)); 824 if (data & 0x1) 825 *flags |= AMD_CG_SUPPORT_DRM_LS; 826 827 /* AMD_CG_SUPPORT_ROM_MGCG */ 828 data = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0)); 829 if (!(data & CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK)) 830 *flags |= AMD_CG_SUPPORT_ROM_MGCG; 831 832 /* AMD_CG_SUPPORT_DF_MGCG */ 833 data = RREG32(SOC15_REG_OFFSET(DF, 0, mmDF_PIE_AON0_DfGlobalClkGater)); 834 if (data & DF_MGCG_ENABLE_15_CYCLE_DELAY) 835 *flags |= AMD_CG_SUPPORT_DF_MGCG; 836 } 837 838 static int soc15_common_set_powergating_state(void *handle, 839 enum amd_powergating_state state) 840 { 841 /* todo */ 842 return 0; 843 } 844 845 const struct amd_ip_funcs soc15_common_ip_funcs = { 846 .name = "soc15_common", 847 .early_init = soc15_common_early_init, 848 .late_init = NULL, 849 .sw_init = soc15_common_sw_init, 850 .sw_fini = soc15_common_sw_fini, 851 .hw_init = soc15_common_hw_init, 852 .hw_fini = soc15_common_hw_fini, 853 .suspend = soc15_common_suspend, 854 .resume = soc15_common_resume, 855 .is_idle = soc15_common_is_idle, 856 .wait_for_idle = soc15_common_wait_for_idle, 857 .soft_reset = soc15_common_soft_reset, 858 .set_clockgating_state = soc15_common_set_clockgating_state, 859 .set_powergating_state = soc15_common_set_powergating_state, 860 .get_clockgating_state= soc15_common_get_clockgating_state, 861 }; 862