drivers/gpu/drm/amd/amdgpu/soc15.c

   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 <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 "atom.h"
  36 #include "amd_pcie.h"
  37
  38 #include "uvd/uvd_7_0_offset.h"
  39 #include "gc/gc_9_0_offset.h"
  40 #include "gc/gc_9_0_sh_mask.h"
  41 #include "sdma0/sdma0_4_0_offset.h"
  42 #include "sdma1/sdma1_4_0_offset.h"
  43 #include "hdp/hdp_4_0_offset.h"
  44 #include "hdp/hdp_4_0_sh_mask.h"
  45 #include "smuio/smuio_9_0_offset.h"
  46 #include "smuio/smuio_9_0_sh_mask.h"
  47 #include "nbio/nbio_7_0_default.h"
  48 #include "nbio/nbio_7_0_offset.h"
  49 #include "nbio/nbio_7_0_sh_mask.h"
  50 #include "nbio/nbio_7_0_smn.h"
  51 #include "mp/mp_9_0_offset.h"
  52
  53 #include "soc15.h"
  54 #include "soc15_common.h"
  55 #include "gfx_v9_0.h"
  56 #include "gmc_v9_0.h"
  57 #include "gfxhub_v1_0.h"
  58 #include "mmhub_v1_0.h"
  59 #include "df_v1_7.h"
  60 #include "df_v3_6.h"
  61 #include "nbio_v6_1.h"
  62 #include "nbio_v7_0.h"
  63 #include "nbio_v7_4.h"
  64 #include "vega10_ih.h"
  65 #include "sdma_v4_0.h"
  66 #include "uvd_v7_0.h"
  67 #include "vce_v4_0.h"
  68 #include "vcn_v1_0.h"
  69 #include "vcn_v2_0.h"
  70 #include "jpeg_v2_0.h"
  71 #include "vcn_v2_5.h"
  72 #include "jpeg_v2_5.h"
  73 #include "dce_virtual.h"
  74 #include "mxgpu_ai.h"
  75 #include "amdgpu_smu.h"
  76 #include "amdgpu_ras.h"
  77 #include "amdgpu_xgmi.h"
  78 #include <uapi/linux/kfd_ioctl.h>
  79
  80 #define mmMP0_MISC_CGTT_CTRL0                                                                   0x01b9
  81 #define mmMP0_MISC_CGTT_CTRL0_BASE_IDX                                                          0
  82 #define mmMP0_MISC_LIGHT_SLEEP_CTRL                                                             0x01ba
  83 #define mmMP0_MISC_LIGHT_SLEEP_CTRL_BASE_IDX                                                    0
  84
  85 /* for Vega20 register name change */
  86 #define mmHDP_MEM_POWER_CTRL    0x00d4
  87 #define HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK  0x00000001L
  88 #define HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK    0x00000002L
  89 #define HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK   0x00010000L
  90 #define HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK             0x00020000L
  91 #define mmHDP_MEM_POWER_CTRL_BASE_IDX   0
  92 /*
  93  * Indirect registers accessor
  94  */
  95 static u32 soc15_pcie_rreg(struct amdgpu_device *adev, u32 reg)
  96 {
  97         unsigned long flags, address, data;
  98         u32 r;
  99         address = adev->nbio.funcs->get_pcie_index_offset(adev);
 100         data = adev->nbio.funcs->get_pcie_data_offset(adev);
 101
 102         spin_lock_irqsave(&adev->pcie_idx_lock, flags);
 103         WREG32(address, reg);
 104         (void)RREG32(address);
 105         r = RREG32(data);
 106         spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
 107         return r;
 108 }
 109
 110 static void soc15_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 111 {
 112         unsigned long flags, address, data;
 113
 114         address = adev->nbio.funcs->get_pcie_index_offset(adev);
 115         data = adev->nbio.funcs->get_pcie_data_offset(adev);
 116
 117         spin_lock_irqsave(&adev->pcie_idx_lock, flags);
 118         WREG32(address, reg);
 119         (void)RREG32(address);
 120         WREG32(data, v);
 121         (void)RREG32(data);
 122         spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
 123 }
 124
 125 static u64 soc15_pcie_rreg64(struct amdgpu_device *adev, u32 reg)
 126 {
 127         unsigned long flags, address, data;
 128         u64 r;
 129         address = adev->nbio.funcs->get_pcie_index_offset(adev);
 130         data = adev->nbio.funcs->get_pcie_data_offset(adev);
 131
 132         spin_lock_irqsave(&adev->pcie_idx_lock, flags);
 133         /* read low 32 bit */
 134         WREG32(address, reg);
 135         (void)RREG32(address);
 136         r = RREG32(data);
 137
 138         /* read high 32 bit*/
 139         WREG32(address, reg + 4);
 140         (void)RREG32(address);
 141         r |= ((u64)RREG32(data) << 32);
 142         spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
 143         return r;
 144 }
 145
 146 static void soc15_pcie_wreg64(struct amdgpu_device *adev, u32 reg, u64 v)
 147 {
 148         unsigned long flags, address, data;
 149
 150         address = adev->nbio.funcs->get_pcie_index_offset(adev);
 151         data = adev->nbio.funcs->get_pcie_data_offset(adev);
 152
 153         spin_lock_irqsave(&adev->pcie_idx_lock, flags);
 154         /* write low 32 bit */
 155         WREG32(address, reg);
 156         (void)RREG32(address);
 157         WREG32(data, (u32)(v & 0xffffffffULL));
 158         (void)RREG32(data);
 159
 160         /* write high 32 bit */
 161         WREG32(address, reg + 4);
 162         (void)RREG32(address);
 163         WREG32(data, (u32)(v >> 32));
 164         (void)RREG32(data);
 165         spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
 166 }
 167
 168 static u32 soc15_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
 169 {
 170         unsigned long flags, address, data;
 171         u32 r;
 172
 173         address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
 174         data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
 175
 176         spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
 177         WREG32(address, ((reg) & 0x1ff));
 178         r = RREG32(data);
 179         spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
 180         return r;
 181 }
 182
 183 static void soc15_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 184 {
 185         unsigned long flags, address, data;
 186
 187         address = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_INDEX);
 188         data = SOC15_REG_OFFSET(UVD, 0, mmUVD_CTX_DATA);
 189
 190         spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
 191         WREG32(address, ((reg) & 0x1ff));
 192         WREG32(data, (v));
 193         spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
 194 }
 195
 196 static u32 soc15_didt_rreg(struct amdgpu_device *adev, u32 reg)
 197 {
 198         unsigned long flags, address, data;
 199         u32 r;
 200
 201         address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
 202         data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
 203
 204         spin_lock_irqsave(&adev->didt_idx_lock, flags);
 205         WREG32(address, (reg));
 206         r = RREG32(data);
 207         spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
 208         return r;
 209 }
 210
 211 static void soc15_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 212 {
 213         unsigned long flags, address, data;
 214
 215         address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
 216         data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
 217
 218         spin_lock_irqsave(&adev->didt_idx_lock, flags);
 219         WREG32(address, (reg));
 220         WREG32(data, (v));
 221         spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
 222 }
 223
 224 static u32 soc15_gc_cac_rreg(struct amdgpu_device *adev, u32 reg)
 225 {
 226         unsigned long flags;
 227         u32 r;
 228
 229         spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
 230         WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg));
 231         r = RREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA);
 232         spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
 233         return r;
 234 }
 235
 236 static void soc15_gc_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 237 {
 238         unsigned long flags;
 239
 240         spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
 241         WREG32_SOC15(GC, 0, mmGC_CAC_IND_INDEX, (reg));
 242         WREG32_SOC15(GC, 0, mmGC_CAC_IND_DATA, (v));
 243         spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
 244 }
 245
 246 static u32 soc15_se_cac_rreg(struct amdgpu_device *adev, u32 reg)
 247 {
 248         unsigned long flags;
 249         u32 r;
 250
 251         spin_lock_irqsave(&adev->se_cac_idx_lock, flags);
 252         WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg));
 253         r = RREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA);
 254         spin_unlock_irqrestore(&adev->se_cac_idx_lock, flags);
 255         return r;
 256 }
 257
 258 static void soc15_se_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 259 {
 260         unsigned long flags;
 261
 262         spin_lock_irqsave(&adev->se_cac_idx_lock, flags);
 263         WREG32_SOC15(GC, 0, mmSE_CAC_IND_INDEX, (reg));
 264         WREG32_SOC15(GC, 0, mmSE_CAC_IND_DATA, (v));
 265         spin_unlock_irqrestore(&adev->se_cac_idx_lock, flags);
 266 }
 267
 268 static u32 soc15_get_config_memsize(struct amdgpu_device *adev)
 269 {
 270         return adev->nbio.funcs->get_memsize(adev);
 271 }
 272
 273 static u32 soc15_get_xclk(struct amdgpu_device *adev)
 274 {
 275         return adev->clock.spll.reference_freq;
 276 }
 277
 278
 279 void soc15_grbm_select(struct amdgpu_device *adev,
 280                      u32 me, u32 pipe, u32 queue, u32 vmid)
 281 {
 282         u32 grbm_gfx_cntl = 0;
 283         grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe);
 284         grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me);
 285         grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid);
 286         grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue);
 287
 288         WREG32_SOC15_RLC_SHADOW(GC, 0, mmGRBM_GFX_CNTL, grbm_gfx_cntl);
 289 }
 290
 291 static void soc15_vga_set_state(struct amdgpu_device *adev, bool state)
 292 {
 293         /* todo */
 294 }
 295
 296 static bool soc15_read_disabled_bios(struct amdgpu_device *adev)
 297 {
 298         /* todo */
 299         return false;
 300 }
 301
 302 static bool soc15_read_bios_from_rom(struct amdgpu_device *adev,
 303                                      u8 *bios, u32 length_bytes)
 304 {
 305         u32 *dw_ptr;
 306         u32 i, length_dw;
 307
 308         if (bios == NULL)
 309                 return false;
 310         if (length_bytes == 0)
 311                 return false;
 312         /* APU vbios image is part of sbios image */
 313         if (adev->flags & AMD_IS_APU)
 314                 return false;
 315
 316         dw_ptr = (u32 *)bios;
 317         length_dw = ALIGN(length_bytes, 4) / 4;
 318
 319         /* set rom index to 0 */
 320         WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_INDEX), 0);
 321         /* read out the rom data */
 322         for (i = 0; i < length_dw; i++)
 323                 dw_ptr[i] = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_DATA));
 324
 325         return true;
 326 }
 327
 328 static struct soc15_allowed_register_entry soc15_allowed_read_registers[] = {
 329         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS)},
 330         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS2)},
 331         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE0)},
 332         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE1)},
 333         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE2)},
 334         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE3)},
 335         { SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_STATUS_REG)},
 336         { SOC15_REG_ENTRY(SDMA1, 0, mmSDMA1_STATUS_REG)},
 337         { SOC15_REG_ENTRY(GC, 0, mmCP_STAT)},
 338         { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT1)},
 339         { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT2)},
 340         { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT3)},
 341         { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_BUSY_STAT)},
 342         { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STALLED_STAT1)},
 343         { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STATUS)},
 344         { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_BUSY_STAT)},
 345         { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STALLED_STAT1)},
 346         { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STATUS)},
 347         { SOC15_REG_ENTRY(GC, 0, mmGB_ADDR_CONFIG)},
 348         { SOC15_REG_ENTRY(GC, 0, mmDB_DEBUG2)},
 349 };
 350
 351 static uint32_t soc15_read_indexed_register(struct amdgpu_device *adev, u32 se_num,
 352                                          u32 sh_num, u32 reg_offset)
 353 {
 354         uint32_t val;
 355
 356         mutex_lock(&adev->grbm_idx_mutex);
 357         if (se_num != 0xffffffff || sh_num != 0xffffffff)
 358                 amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff);
 359
 360         val = RREG32(reg_offset);
 361
 362         if (se_num != 0xffffffff || sh_num != 0xffffffff)
 363                 amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
 364         mutex_unlock(&adev->grbm_idx_mutex);
 365         return val;
 366 }
 367
 368 static uint32_t soc15_get_register_value(struct amdgpu_device *adev,
 369                                          bool indexed, u32 se_num,
 370                                          u32 sh_num, u32 reg_offset)
 371 {
 372         if (indexed) {
 373                 return soc15_read_indexed_register(adev, se_num, sh_num, reg_offset);
 374         } else {
 375                 if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG))
 376                         return adev->gfx.config.gb_addr_config;
 377                 else if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmDB_DEBUG2))
 378                         return adev->gfx.config.db_debug2;
 379                 return RREG32(reg_offset);
 380         }
 381 }
 382
 383 static int soc15_read_register(struct amdgpu_device *adev, u32 se_num,
 384                             u32 sh_num, u32 reg_offset, u32 *value)
 385 {
 386         uint32_t i;
 387         struct soc15_allowed_register_entry  *en;
 388
 389         *value = 0;
 390         for (i = 0; i < ARRAY_SIZE(soc15_allowed_read_registers); i++) {
 391                 en = &soc15_allowed_read_registers[i];
 392                 if (reg_offset != (adev->reg_offset[en->hwip][en->inst][en->seg]
 393                                         + en->reg_offset))
 394                         continue;
 395
 396                 *value = soc15_get_register_value(adev,
 397                                                   soc15_allowed_read_registers[i].grbm_indexed,
 398                                                   se_num, sh_num, reg_offset);
 399                 return 0;
 400         }
 401         return -EINVAL;
 402 }
 403
 404
 405 /**
 406  * soc15_program_register_sequence - program an array of registers.
 407  *
 408  * @adev: amdgpu_device pointer
 409  * @regs: pointer to the register array
 410  * @array_size: size of the register array
 411  *
 412  * Programs an array or registers with and and or masks.
 413  * This is a helper for setting golden registers.
 414  */
 415
 416 void soc15_program_register_sequence(struct amdgpu_device *adev,
 417                                              const struct soc15_reg_golden *regs,
 418                                              const u32 array_size)
 419 {
 420         const struct soc15_reg_golden *entry;
 421         u32 tmp, reg;
 422         int i;
 423
 424         for (i = 0; i < array_size; ++i) {
 425                 entry = &regs[i];
 426                 reg =  adev->reg_offset[entry->hwip][entry->instance][entry->segment] + entry->reg;
 427
 428                 if (entry->and_mask == 0xffffffff) {
 429                         tmp = entry->or_mask;
 430                 } else {
 431                         tmp = RREG32(reg);
 432                         tmp &= ~(entry->and_mask);
 433                         tmp |= (entry->or_mask & entry->and_mask);
 434                 }
 435
 436                 if (reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_BINNER_EVENT_CNTL_3) ||
 437                         reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE) ||
 438                         reg == SOC15_REG_OFFSET(GC, 0, mmPA_SC_ENHANCE_1) ||
 439                         reg == SOC15_REG_OFFSET(GC, 0, mmSH_MEM_CONFIG))
 440                         WREG32_RLC(reg, tmp);
 441                 else
 442                         WREG32(reg, tmp);
 443
 444         }
 445
 446 }
 447
 448 static int soc15_asic_mode1_reset(struct amdgpu_device *adev)
 449 {
 450         u32 i;
 451         int ret = 0;
 452
 453         amdgpu_atombios_scratch_regs_engine_hung(adev, true);
 454
 455         dev_info(adev->dev, "GPU mode1 reset\n");
 456
 457         /* disable BM */
 458         pci_clear_master(adev->pdev);
 459
 460         pci_save_state(adev->pdev);
 461
 462         ret = psp_gpu_reset(adev);
 463         if (ret)
 464                 dev_err(adev->dev, "GPU mode1 reset failed\n");
 465
 466         pci_restore_state(adev->pdev);
 467
 468         /* wait for asic to come out of reset */
 469         for (i = 0; i < adev->usec_timeout; i++) {
 470                 u32 memsize = adev->nbio.funcs->get_memsize(adev);
 471
 472                 if (memsize != 0xffffffff)
 473                         break;
 474                 udelay(1);
 475         }
 476
 477         amdgpu_atombios_scratch_regs_engine_hung(adev, false);
 478
 479         return ret;
 480 }
 481
 482 static int soc15_asic_baco_reset(struct amdgpu_device *adev)
 483 {
 484         struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
 485         int ret = 0;
 486
 487         /* avoid NBIF got stuck when do RAS recovery in BACO reset */
 488         if (ras && ras->supported)
 489                 adev->nbio.funcs->enable_doorbell_interrupt(adev, false);
 490
 491         ret = amdgpu_dpm_baco_reset(adev);
 492         if (ret)
 493                 return ret;
 494
 495         /* re-enable doorbell interrupt after BACO exit */
 496         if (ras && ras->supported)
 497                 adev->nbio.funcs->enable_doorbell_interrupt(adev, true);
 498
 499         return 0;
 500 }
 501
 502 static enum amd_reset_method
 503 soc15_asic_reset_method(struct amdgpu_device *adev)
 504 {
 505         bool baco_reset = false;
 506         struct amdgpu_ras *ras = amdgpu_ras_get_context(adev);
 507
 508         switch (adev->asic_type) {
 509         case CHIP_RAVEN:
 510         case CHIP_RENOIR:
 511                 return AMD_RESET_METHOD_MODE2;
 512         case CHIP_VEGA10:
 513         case CHIP_VEGA12:
 514         case CHIP_ARCTURUS:
 515                 baco_reset = amdgpu_dpm_is_baco_supported(adev);
 516                 break;
 517         case CHIP_VEGA20:
 518                 if (adev->psp.sos_fw_version >= 0x80067)
 519                         baco_reset = amdgpu_dpm_is_baco_supported(adev);
 520
 521                 /*
 522                  * 1. PMFW version > 0x284300: all cases use baco
 523                  * 2. PMFW version <= 0x284300: only sGPU w/o RAS use baco
 524                  */
 525                 if ((ras && ras->supported) && adev->pm.fw_version <= 0x283400)
 526                         baco_reset = false;
 527                 break;
 528         default:
 529                 break;
 530         }
 531
 532         if (baco_reset)
 533                 return AMD_RESET_METHOD_BACO;
 534         else
 535                 return AMD_RESET_METHOD_MODE1;
 536 }
 537
 538 static int soc15_asic_reset(struct amdgpu_device *adev)
 539 {
 540         /* original raven doesn't have full asic reset */
 541         if (adev->pdev->device == 0x15dd && adev->rev_id < 0x8)
 542                 return 0;
 543
 544         switch (soc15_asic_reset_method(adev)) {
 545                 case AMD_RESET_METHOD_BACO:
 546                         if (!adev->in_suspend)
 547                                 amdgpu_inc_vram_lost(adev);
 548                         return soc15_asic_baco_reset(adev);
 549                 case AMD_RESET_METHOD_MODE2:
 550                         return amdgpu_dpm_mode2_reset(adev);
 551                 default:
 552                         if (!adev->in_suspend)
 553                                 amdgpu_inc_vram_lost(adev);
 554                         return soc15_asic_mode1_reset(adev);
 555         }
 556 }
 557
 558 static bool soc15_supports_baco(struct amdgpu_device *adev)
 559 {
 560         switch (adev->asic_type) {
 561         case CHIP_VEGA10:
 562         case CHIP_VEGA12:
 563         case CHIP_ARCTURUS:
 564                 return amdgpu_dpm_is_baco_supported(adev);
 565         case CHIP_VEGA20:
 566                 if (adev->psp.sos_fw_version >= 0x80067)
 567                         return amdgpu_dpm_is_baco_supported(adev);
 568                 return false;
 569         default:
 570                 return false;
 571         }
 572 }
 573
 574 /*static int soc15_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
 575                         u32 cntl_reg, u32 status_reg)
 576 {
 577         return 0;
 578 }*/
 579
 580 static int soc15_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
 581 {
 582         /*int r;
 583
 584         r = soc15_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
 585         if (r)
 586                 return r;
 587
 588         r = soc15_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
 589         */
 590         return 0;
 591 }
 592
 593 static int soc15_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
 594 {
 595         /* todo */
 596
 597         return 0;
 598 }
 599
 600 static void soc15_pcie_gen3_enable(struct amdgpu_device *adev)
 601 {
 602         if (pci_is_root_bus(adev->pdev->bus))
 603                 return;
 604
 605         if (amdgpu_pcie_gen2 == 0)
 606                 return;
 607
 608         if (adev->flags & AMD_IS_APU)
 609                 return;
 610
 611         if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
 612                                         CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
 613                 return;
 614
 615         /* todo */
 616 }
 617
 618 static void soc15_program_aspm(struct amdgpu_device *adev)
 619 {
 620
 621         if (amdgpu_aspm == 0)
 622                 return;
 623
 624         /* todo */
 625 }
 626
 627 static void soc15_enable_doorbell_aperture(struct amdgpu_device *adev,
 628                                            bool enable)
 629 {
 630         adev->nbio.funcs->enable_doorbell_aperture(adev, enable);
 631         adev->nbio.funcs->enable_doorbell_selfring_aperture(adev, enable);
 632 }
 633
 634 static const struct amdgpu_ip_block_version vega10_common_ip_block =
 635 {
 636         .type = AMD_IP_BLOCK_TYPE_COMMON,
 637         .major = 2,
 638         .minor = 0,
 639         .rev = 0,
 640         .funcs = &soc15_common_ip_funcs,
 641 };
 642
 643 static uint32_t soc15_get_rev_id(struct amdgpu_device *adev)
 644 {
 645         return adev->nbio.funcs->get_rev_id(adev);
 646 }
 647
 648 int soc15_set_ip_blocks(struct amdgpu_device *adev)
 649 {
 650         /* Set IP register base before any HW register access */
 651         switch (adev->asic_type) {
 652         case CHIP_VEGA10:
 653         case CHIP_VEGA12:
 654         case CHIP_RAVEN:
 655         case CHIP_RENOIR:
 656                 vega10_reg_base_init(adev);
 657                 break;
 658         case CHIP_VEGA20:
 659                 vega20_reg_base_init(adev);
 660                 break;
 661         case CHIP_ARCTURUS:
 662                 arct_reg_base_init(adev);
 663                 break;
 664         default:
 665                 return -EINVAL;
 666         }
 667
 668         if (adev->asic_type == CHIP_VEGA20 || adev->asic_type == CHIP_ARCTURUS)
 669                 adev->gmc.xgmi.supported = true;
 670
 671         if (adev->flags & AMD_IS_APU) {
 672                 adev->nbio.funcs = &nbio_v7_0_funcs;
 673                 adev->nbio.hdp_flush_reg = &nbio_v7_0_hdp_flush_reg;
 674         } else if (adev->asic_type == CHIP_VEGA20 ||
 675                    adev->asic_type == CHIP_ARCTURUS) {
 676                 adev->nbio.funcs = &nbio_v7_4_funcs;
 677                 adev->nbio.hdp_flush_reg = &nbio_v7_4_hdp_flush_reg;
 678         } else {
 679                 adev->nbio.funcs = &nbio_v6_1_funcs;
 680                 adev->nbio.hdp_flush_reg = &nbio_v6_1_hdp_flush_reg;
 681         }
 682
 683         if (adev->asic_type == CHIP_VEGA20 || adev->asic_type == CHIP_ARCTURUS)
 684                 adev->df.funcs = &df_v3_6_funcs;
 685         else
 686                 adev->df.funcs = &df_v1_7_funcs;
 687
 688         adev->rev_id = soc15_get_rev_id(adev);
 689         adev->nbio.funcs->detect_hw_virt(adev);
 690
 691         if (amdgpu_sriov_vf(adev))
 692                 adev->virt.ops = &xgpu_ai_virt_ops;
 693
 694         switch (adev->asic_type) {
 695         case CHIP_VEGA10:
 696         case CHIP_VEGA12:
 697         case CHIP_VEGA20:
 698                 amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
 699                 amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
 700
 701                 /* For Vega10 SR-IOV, PSP need to be initialized before IH */
 702                 if (amdgpu_sriov_vf(adev)) {
 703                         if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) {
 704                                 if (adev->asic_type == CHIP_VEGA20)
 705                                         amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
 706                                 else
 707                                         amdgpu_device_ip_block_add(adev, &psp_v3_1_ip_block);
 708                         }
 709                         amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
 710                 } else {
 711                         amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
 712                         if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)) {
 713                                 if (adev->asic_type == CHIP_VEGA20)
 714                                         amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
 715                                 else
 716                                         amdgpu_device_ip_block_add(adev, &psp_v3_1_ip_block);
 717                         }
 718                 }
 719                 amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
 720                 amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
 721                 if (is_support_sw_smu(adev)) {
 722                         if (!amdgpu_sriov_vf(adev))
 723                                 amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
 724                 } else {
 725                         amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
 726                 }
 727                 if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
 728                         amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
 729 #if defined(CONFIG_DRM_AMD_DC)
 730                 else if (amdgpu_device_has_dc_support(adev))
 731                         amdgpu_device_ip_block_add(adev, &dm_ip_block);
 732 #endif
 733                 if (!(adev->asic_type == CHIP_VEGA20 && amdgpu_sriov_vf(adev))) {
 734                         amdgpu_device_ip_block_add(adev, &uvd_v7_0_ip_block);
 735                         amdgpu_device_ip_block_add(adev, &vce_v4_0_ip_block);
 736                 }
 737                 break;
 738         case CHIP_RAVEN:
 739                 amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
 740                 amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
 741                 amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
 742                 if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
 743                         amdgpu_device_ip_block_add(adev, &psp_v10_0_ip_block);
 744                 amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
 745                 amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
 746                 amdgpu_device_ip_block_add(adev, &pp_smu_ip_block);
 747                 if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
 748                         amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
 749 #if defined(CONFIG_DRM_AMD_DC)
 750                 else if (amdgpu_device_has_dc_support(adev))
 751                         amdgpu_device_ip_block_add(adev, &dm_ip_block);
 752 #endif
 753                 amdgpu_device_ip_block_add(adev, &vcn_v1_0_ip_block);
 754                 break;
 755         case CHIP_ARCTURUS:
 756                 amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
 757                 amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
 758
 759                 if (amdgpu_sriov_vf(adev)) {
 760                         if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
 761                                 amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
 762                         amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
 763                 } else {
 764                         amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
 765                         if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
 766                                 amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
 767                 }
 768
 769                 if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
 770                         amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
 771                 amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
 772                 amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
 773                 amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
 774
 775                 if (amdgpu_sriov_vf(adev)) {
 776                         if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
 777                                 amdgpu_device_ip_block_add(adev, &vcn_v2_5_ip_block);
 778                 } else {
 779                         amdgpu_device_ip_block_add(adev, &vcn_v2_5_ip_block);
 780                 }
 781                 if (!amdgpu_sriov_vf(adev))
 782                         amdgpu_device_ip_block_add(adev, &jpeg_v2_5_ip_block);
 783                 break;
 784         case CHIP_RENOIR:
 785                 amdgpu_device_ip_block_add(adev, &vega10_common_ip_block);
 786                 amdgpu_device_ip_block_add(adev, &gmc_v9_0_ip_block);
 787                 amdgpu_device_ip_block_add(adev, &vega10_ih_ip_block);
 788                 if (likely(adev->firmware.load_type == AMDGPU_FW_LOAD_PSP))
 789                         amdgpu_device_ip_block_add(adev, &psp_v12_0_ip_block);
 790                 amdgpu_device_ip_block_add(adev, &smu_v12_0_ip_block);
 791                 amdgpu_device_ip_block_add(adev, &gfx_v9_0_ip_block);
 792                 amdgpu_device_ip_block_add(adev, &sdma_v4_0_ip_block);
 793                 if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
 794                         amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
 795 #if defined(CONFIG_DRM_AMD_DC)
 796                 else if (amdgpu_device_has_dc_support(adev))
 797                         amdgpu_device_ip_block_add(adev, &dm_ip_block);
 798 #endif
 799                 amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
 800                 amdgpu_device_ip_block_add(adev, &jpeg_v2_0_ip_block);
 801                 break;
 802         default:
 803                 return -EINVAL;
 804         }
 805
 806         return 0;
 807 }
 808
 809 static void soc15_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring)
 810 {
 811         adev->nbio.funcs->hdp_flush(adev, ring);
 812 }
 813
 814 static void soc15_invalidate_hdp(struct amdgpu_device *adev,
 815                                  struct amdgpu_ring *ring)
 816 {
 817         if (!ring || !ring->funcs->emit_wreg)
 818                 WREG32_SOC15_NO_KIQ(HDP, 0, mmHDP_READ_CACHE_INVALIDATE, 1);
 819         else
 820                 amdgpu_ring_emit_wreg(ring, SOC15_REG_OFFSET(
 821                         HDP, 0, mmHDP_READ_CACHE_INVALIDATE), 1);
 822 }
 823
 824 static bool soc15_need_full_reset(struct amdgpu_device *adev)
 825 {
 826         /* change this when we implement soft reset */
 827         return true;
 828 }
 829 static void soc15_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
 830                                  uint64_t *count1)
 831 {
 832         uint32_t perfctr = 0;
 833         uint64_t cnt0_of, cnt1_of;
 834         int tmp;
 835
 836         /* This reports 0 on APUs, so return to avoid writing/reading registers
 837          * that may or may not be different from their GPU counterparts
 838          */
 839         if (adev->flags & AMD_IS_APU)
 840                 return;
 841
 842         /* Set the 2 events that we wish to watch, defined above */
 843         /* Reg 40 is # received msgs */
 844         /* Reg 104 is # of posted requests sent */
 845         perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT0_SEL, 40);
 846         perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK, EVENT1_SEL, 104);
 847
 848         /* Write to enable desired perf counters */
 849         WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK, perfctr);
 850         /* Zero out and enable the perf counters
 851          * Write 0x5:
 852          * Bit 0 = Start all counters(1)
 853          * Bit 2 = Global counter reset enable(1)
 854          */
 855         WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
 856
 857         msleep(1000);
 858
 859         /* Load the shadow and disable the perf counters
 860          * Write 0x2:
 861          * Bit 0 = Stop counters(0)
 862          * Bit 1 = Load the shadow counters(1)
 863          */
 864         WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
 865
 866         /* Read register values to get any >32bit overflow */
 867         tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK);
 868         cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER0_UPPER);
 869         cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK, COUNTER1_UPPER);
 870
 871         /* Get the values and add the overflow */
 872         *count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK) | (cnt0_of << 32);
 873         *count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK) | (cnt1_of << 32);
 874 }
 875
 876 static void vega20_get_pcie_usage(struct amdgpu_device *adev, uint64_t *count0,
 877                                  uint64_t *count1)
 878 {
 879         uint32_t perfctr = 0;
 880         uint64_t cnt0_of, cnt1_of;
 881         int tmp;
 882
 883         /* This reports 0 on APUs, so return to avoid writing/reading registers
 884          * that may or may not be different from their GPU counterparts
 885          */
 886         if (adev->flags & AMD_IS_APU)
 887                 return;
 888
 889         /* Set the 2 events that we wish to watch, defined above */
 890         /* Reg 40 is # received msgs */
 891         /* Reg 108 is # of posted requests sent on VG20 */
 892         perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK3,
 893                                 EVENT0_SEL, 40);
 894         perfctr = REG_SET_FIELD(perfctr, PCIE_PERF_CNTL_TXCLK3,
 895                                 EVENT1_SEL, 108);
 896
 897         /* Write to enable desired perf counters */
 898         WREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3, perfctr);
 899         /* Zero out and enable the perf counters
 900          * Write 0x5:
 901          * Bit 0 = Start all counters(1)
 902          * Bit 2 = Global counter reset enable(1)
 903          */
 904         WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000005);
 905
 906         msleep(1000);
 907
 908         /* Load the shadow and disable the perf counters
 909          * Write 0x2:
 910          * Bit 0 = Stop counters(0)
 911          * Bit 1 = Load the shadow counters(1)
 912          */
 913         WREG32_PCIE(smnPCIE_PERF_COUNT_CNTL, 0x00000002);
 914
 915         /* Read register values to get any >32bit overflow */
 916         tmp = RREG32_PCIE(smnPCIE_PERF_CNTL_TXCLK3);
 917         cnt0_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK3, COUNTER0_UPPER);
 918         cnt1_of = REG_GET_FIELD(tmp, PCIE_PERF_CNTL_TXCLK3, COUNTER1_UPPER);
 919
 920         /* Get the values and add the overflow */
 921         *count0 = RREG32_PCIE(smnPCIE_PERF_COUNT0_TXCLK3) | (cnt0_of << 32);
 922         *count1 = RREG32_PCIE(smnPCIE_PERF_COUNT1_TXCLK3) | (cnt1_of << 32);
 923 }
 924
 925 static bool soc15_need_reset_on_init(struct amdgpu_device *adev)
 926 {
 927         u32 sol_reg;
 928
 929         /* Just return false for soc15 GPUs.  Reset does not seem to
 930          * be necessary.
 931          */
 932         if (!amdgpu_passthrough(adev))
 933                 return false;
 934
 935         if (adev->flags & AMD_IS_APU)
 936                 return false;
 937
 938         /* Check sOS sign of life register to confirm sys driver and sOS
 939          * are already been loaded.
 940          */
 941         sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
 942         if (sol_reg)
 943                 return true;
 944
 945         return false;
 946 }
 947
 948 static uint64_t soc15_get_pcie_replay_count(struct amdgpu_device *adev)
 949 {
 950         uint64_t nak_r, nak_g;
 951
 952         /* Get the number of NAKs received and generated */
 953         nak_r = RREG32_PCIE(smnPCIE_RX_NUM_NAK);
 954         nak_g = RREG32_PCIE(smnPCIE_RX_NUM_NAK_GENERATED);
 955
 956         /* Add the total number of NAKs, i.e the number of replays */
 957         return (nak_r + nak_g);
 958 }
 959
 960 static const struct amdgpu_asic_funcs soc15_asic_funcs =
 961 {
 962         .read_disabled_bios = &soc15_read_disabled_bios,
 963         .read_bios_from_rom = &soc15_read_bios_from_rom,
 964         .read_register = &soc15_read_register,
 965         .reset = &soc15_asic_reset,
 966         .reset_method = &soc15_asic_reset_method,
 967         .set_vga_state = &soc15_vga_set_state,
 968         .get_xclk = &soc15_get_xclk,
 969         .set_uvd_clocks = &soc15_set_uvd_clocks,
 970         .set_vce_clocks = &soc15_set_vce_clocks,
 971         .get_config_memsize = &soc15_get_config_memsize,
 972         .flush_hdp = &soc15_flush_hdp,
 973         .invalidate_hdp = &soc15_invalidate_hdp,
 974         .need_full_reset = &soc15_need_full_reset,
 975         .init_doorbell_index = &vega10_doorbell_index_init,
 976         .get_pcie_usage = &soc15_get_pcie_usage,
 977         .need_reset_on_init = &soc15_need_reset_on_init,
 978         .get_pcie_replay_count = &soc15_get_pcie_replay_count,
 979         .supports_baco = &soc15_supports_baco,
 980 };
 981
 982 static const struct amdgpu_asic_funcs vega20_asic_funcs =
 983 {
 984         .read_disabled_bios = &soc15_read_disabled_bios,
 985         .read_bios_from_rom = &soc15_read_bios_from_rom,
 986         .read_register = &soc15_read_register,
 987         .reset = &soc15_asic_reset,
 988         .reset_method = &soc15_asic_reset_method,
 989         .set_vga_state = &soc15_vga_set_state,
 990         .get_xclk = &soc15_get_xclk,
 991         .set_uvd_clocks = &soc15_set_uvd_clocks,
 992         .set_vce_clocks = &soc15_set_vce_clocks,
 993         .get_config_memsize = &soc15_get_config_memsize,
 994         .flush_hdp = &soc15_flush_hdp,
 995         .invalidate_hdp = &soc15_invalidate_hdp,
 996         .need_full_reset = &soc15_need_full_reset,
 997         .init_doorbell_index = &vega20_doorbell_index_init,
 998         .get_pcie_usage = &vega20_get_pcie_usage,
 999         .need_reset_on_init = &soc15_need_reset_on_init,
1000         .get_pcie_replay_count = &soc15_get_pcie_replay_count,
1001         .supports_baco = &soc15_supports_baco,
1002 };
1003
1004 static int soc15_common_early_init(void *handle)
1005 {
1006 #define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE)
1007         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1008
1009         adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
1010         adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET;
1011         adev->smc_rreg = NULL;
1012         adev->smc_wreg = NULL;
1013         adev->pcie_rreg = &soc15_pcie_rreg;
1014         adev->pcie_wreg = &soc15_pcie_wreg;
1015         adev->pcie_rreg64 = &soc15_pcie_rreg64;
1016         adev->pcie_wreg64 = &soc15_pcie_wreg64;
1017         adev->uvd_ctx_rreg = &soc15_uvd_ctx_rreg;
1018         adev->uvd_ctx_wreg = &soc15_uvd_ctx_wreg;
1019         adev->didt_rreg = &soc15_didt_rreg;
1020         adev->didt_wreg = &soc15_didt_wreg;
1021         adev->gc_cac_rreg = &soc15_gc_cac_rreg;
1022         adev->gc_cac_wreg = &soc15_gc_cac_wreg;
1023         adev->se_cac_rreg = &soc15_se_cac_rreg;
1024         adev->se_cac_wreg = &soc15_se_cac_wreg;
1025
1026
1027         adev->external_rev_id = 0xFF;
1028         switch (adev->asic_type) {
1029         case CHIP_VEGA10:
1030                 adev->asic_funcs = &soc15_asic_funcs;
1031                 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1032                         AMD_CG_SUPPORT_GFX_MGLS |
1033                         AMD_CG_SUPPORT_GFX_RLC_LS |
1034                         AMD_CG_SUPPORT_GFX_CP_LS |
1035                         AMD_CG_SUPPORT_GFX_3D_CGCG |
1036                         AMD_CG_SUPPORT_GFX_3D_CGLS |
1037                         AMD_CG_SUPPORT_GFX_CGCG |
1038                         AMD_CG_SUPPORT_GFX_CGLS |
1039                         AMD_CG_SUPPORT_BIF_MGCG |
1040                         AMD_CG_SUPPORT_BIF_LS |
1041                         AMD_CG_SUPPORT_HDP_LS |
1042                         AMD_CG_SUPPORT_DRM_MGCG |
1043                         AMD_CG_SUPPORT_DRM_LS |
1044                         AMD_CG_SUPPORT_ROM_MGCG |
1045                         AMD_CG_SUPPORT_DF_MGCG |
1046                         AMD_CG_SUPPORT_SDMA_MGCG |
1047                         AMD_CG_SUPPORT_SDMA_LS |
1048                         AMD_CG_SUPPORT_MC_MGCG |
1049                         AMD_CG_SUPPORT_MC_LS;
1050                 adev->pg_flags = 0;
1051                 adev->external_rev_id = 0x1;
1052                 break;
1053         case CHIP_VEGA12:
1054                 adev->asic_funcs = &soc15_asic_funcs;
1055                 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1056                         AMD_CG_SUPPORT_GFX_MGLS |
1057                         AMD_CG_SUPPORT_GFX_CGCG |
1058                         AMD_CG_SUPPORT_GFX_CGLS |
1059                         AMD_CG_SUPPORT_GFX_3D_CGCG |
1060                         AMD_CG_SUPPORT_GFX_3D_CGLS |
1061                         AMD_CG_SUPPORT_GFX_CP_LS |
1062                         AMD_CG_SUPPORT_MC_LS |
1063                         AMD_CG_SUPPORT_MC_MGCG |
1064                         AMD_CG_SUPPORT_SDMA_MGCG |
1065                         AMD_CG_SUPPORT_SDMA_LS |
1066                         AMD_CG_SUPPORT_BIF_MGCG |
1067                         AMD_CG_SUPPORT_BIF_LS |
1068                         AMD_CG_SUPPORT_HDP_MGCG |
1069                         AMD_CG_SUPPORT_HDP_LS |
1070                         AMD_CG_SUPPORT_ROM_MGCG |
1071                         AMD_CG_SUPPORT_VCE_MGCG |
1072                         AMD_CG_SUPPORT_UVD_MGCG;
1073                 adev->pg_flags = 0;
1074                 adev->external_rev_id = adev->rev_id + 0x14;
1075                 break;
1076         case CHIP_VEGA20:
1077                 adev->asic_funcs = &vega20_asic_funcs;
1078                 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1079                         AMD_CG_SUPPORT_GFX_MGLS |
1080                         AMD_CG_SUPPORT_GFX_CGCG |
1081                         AMD_CG_SUPPORT_GFX_CGLS |
1082                         AMD_CG_SUPPORT_GFX_3D_CGCG |
1083                         AMD_CG_SUPPORT_GFX_3D_CGLS |
1084                         AMD_CG_SUPPORT_GFX_CP_LS |
1085                         AMD_CG_SUPPORT_MC_LS |
1086                         AMD_CG_SUPPORT_MC_MGCG |
1087                         AMD_CG_SUPPORT_SDMA_MGCG |
1088                         AMD_CG_SUPPORT_SDMA_LS |
1089                         AMD_CG_SUPPORT_BIF_MGCG |
1090                         AMD_CG_SUPPORT_BIF_LS |
1091                         AMD_CG_SUPPORT_HDP_MGCG |
1092                         AMD_CG_SUPPORT_HDP_LS |
1093                         AMD_CG_SUPPORT_ROM_MGCG |
1094                         AMD_CG_SUPPORT_VCE_MGCG |
1095                         AMD_CG_SUPPORT_UVD_MGCG;
1096                 adev->pg_flags = 0;
1097                 adev->external_rev_id = adev->rev_id + 0x28;
1098                 break;
1099         case CHIP_RAVEN:
1100                 adev->asic_funcs = &soc15_asic_funcs;
1101                 if (adev->rev_id >= 0x8)
1102                         adev->external_rev_id = adev->rev_id + 0x79;
1103                 else if (adev->pdev->device == 0x15d8)
1104                         adev->external_rev_id = adev->rev_id + 0x41;
1105                 else if (adev->rev_id == 1)
1106                         adev->external_rev_id = adev->rev_id + 0x20;
1107                 else
1108                         adev->external_rev_id = adev->rev_id + 0x01;
1109
1110                 if (adev->rev_id >= 0x8) {
1111                         adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1112                                 AMD_CG_SUPPORT_GFX_MGLS |
1113                                 AMD_CG_SUPPORT_GFX_CP_LS |
1114                                 AMD_CG_SUPPORT_GFX_3D_CGCG |
1115                                 AMD_CG_SUPPORT_GFX_3D_CGLS |
1116                                 AMD_CG_SUPPORT_GFX_CGCG |
1117                                 AMD_CG_SUPPORT_GFX_CGLS |
1118                                 AMD_CG_SUPPORT_BIF_LS |
1119                                 AMD_CG_SUPPORT_HDP_LS |
1120                                 AMD_CG_SUPPORT_ROM_MGCG |
1121                                 AMD_CG_SUPPORT_MC_MGCG |
1122                                 AMD_CG_SUPPORT_MC_LS |
1123                                 AMD_CG_SUPPORT_SDMA_MGCG |
1124                                 AMD_CG_SUPPORT_SDMA_LS |
1125                                 AMD_CG_SUPPORT_VCN_MGCG;
1126
1127                         adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
1128                 } else if (adev->pdev->device == 0x15d8) {
1129                         adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1130                                 AMD_CG_SUPPORT_GFX_MGLS |
1131                                 AMD_CG_SUPPORT_GFX_CP_LS |
1132                                 AMD_CG_SUPPORT_GFX_3D_CGCG |
1133                                 AMD_CG_SUPPORT_GFX_3D_CGLS |
1134                                 AMD_CG_SUPPORT_GFX_CGCG |
1135                                 AMD_CG_SUPPORT_GFX_CGLS |
1136                                 AMD_CG_SUPPORT_BIF_LS |
1137                                 AMD_CG_SUPPORT_HDP_LS |
1138                                 AMD_CG_SUPPORT_ROM_MGCG |
1139                                 AMD_CG_SUPPORT_MC_MGCG |
1140                                 AMD_CG_SUPPORT_MC_LS |
1141                                 AMD_CG_SUPPORT_SDMA_MGCG |
1142                                 AMD_CG_SUPPORT_SDMA_LS;
1143
1144                         adev->pg_flags = AMD_PG_SUPPORT_SDMA |
1145                                 AMD_PG_SUPPORT_MMHUB |
1146                                 AMD_PG_SUPPORT_VCN |
1147                                 AMD_PG_SUPPORT_VCN_DPG;
1148                 } else {
1149                         adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1150                                 AMD_CG_SUPPORT_GFX_MGLS |
1151                                 AMD_CG_SUPPORT_GFX_RLC_LS |
1152                                 AMD_CG_SUPPORT_GFX_CP_LS |
1153                                 AMD_CG_SUPPORT_GFX_3D_CGCG |
1154                                 AMD_CG_SUPPORT_GFX_3D_CGLS |
1155                                 AMD_CG_SUPPORT_GFX_CGCG |
1156                                 AMD_CG_SUPPORT_GFX_CGLS |
1157                                 AMD_CG_SUPPORT_BIF_MGCG |
1158                                 AMD_CG_SUPPORT_BIF_LS |
1159                                 AMD_CG_SUPPORT_HDP_MGCG |
1160                                 AMD_CG_SUPPORT_HDP_LS |
1161                                 AMD_CG_SUPPORT_DRM_MGCG |
1162                                 AMD_CG_SUPPORT_DRM_LS |
1163                                 AMD_CG_SUPPORT_ROM_MGCG |
1164                                 AMD_CG_SUPPORT_MC_MGCG |
1165                                 AMD_CG_SUPPORT_MC_LS |
1166                                 AMD_CG_SUPPORT_SDMA_MGCG |
1167                                 AMD_CG_SUPPORT_SDMA_LS |
1168                                 AMD_CG_SUPPORT_VCN_MGCG;
1169
1170                         adev->pg_flags = AMD_PG_SUPPORT_SDMA | AMD_PG_SUPPORT_VCN;
1171                 }
1172                 break;
1173         case CHIP_ARCTURUS:
1174                 adev->asic_funcs = &vega20_asic_funcs;
1175                 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1176                         AMD_CG_SUPPORT_GFX_MGLS |
1177                         AMD_CG_SUPPORT_GFX_CGCG |
1178                         AMD_CG_SUPPORT_GFX_CGLS |
1179                         AMD_CG_SUPPORT_GFX_CP_LS |
1180                         AMD_CG_SUPPORT_HDP_MGCG |
1181                         AMD_CG_SUPPORT_HDP_LS |
1182                         AMD_CG_SUPPORT_SDMA_MGCG |
1183                         AMD_CG_SUPPORT_SDMA_LS |
1184                         AMD_CG_SUPPORT_MC_MGCG |
1185                         AMD_CG_SUPPORT_MC_LS |
1186                         AMD_CG_SUPPORT_IH_CG |
1187                         AMD_CG_SUPPORT_VCN_MGCG |
1188                         AMD_CG_SUPPORT_JPEG_MGCG;
1189                 adev->pg_flags = 0;
1190                 adev->external_rev_id = adev->rev_id + 0x32;
1191                 break;
1192         case CHIP_RENOIR:
1193                 adev->asic_funcs = &soc15_asic_funcs;
1194                 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
1195                                  AMD_CG_SUPPORT_GFX_MGLS |
1196                                  AMD_CG_SUPPORT_GFX_3D_CGCG |
1197                                  AMD_CG_SUPPORT_GFX_3D_CGLS |
1198                                  AMD_CG_SUPPORT_GFX_CGCG |
1199                                  AMD_CG_SUPPORT_GFX_CGLS |
1200                                  AMD_CG_SUPPORT_GFX_CP_LS |
1201                                  AMD_CG_SUPPORT_MC_MGCG |
1202                                  AMD_CG_SUPPORT_MC_LS |
1203                                  AMD_CG_SUPPORT_SDMA_MGCG |
1204                                  AMD_CG_SUPPORT_SDMA_LS |
1205                                  AMD_CG_SUPPORT_BIF_LS |
1206                                  AMD_CG_SUPPORT_HDP_LS |
1207                                  AMD_CG_SUPPORT_ROM_MGCG |
1208                                  AMD_CG_SUPPORT_VCN_MGCG |
1209                                  AMD_CG_SUPPORT_JPEG_MGCG |
1210                                  AMD_CG_SUPPORT_IH_CG |
1211                                  AMD_CG_SUPPORT_ATHUB_LS |
1212                                  AMD_CG_SUPPORT_ATHUB_MGCG |
1213                                  AMD_CG_SUPPORT_DF_MGCG;
1214                 adev->pg_flags = AMD_PG_SUPPORT_SDMA |
1215                                  AMD_PG_SUPPORT_VCN |
1216                                  AMD_PG_SUPPORT_JPEG |
1217                                  AMD_PG_SUPPORT_VCN_DPG;
1218                 adev->external_rev_id = adev->rev_id + 0x91;
1219                 break;
1220         default:
1221                 /* FIXME: not supported yet */
1222                 return -EINVAL;
1223         }
1224
1225         if (amdgpu_sriov_vf(adev)) {
1226                 amdgpu_virt_init_setting(adev);
1227                 xgpu_ai_mailbox_set_irq_funcs(adev);
1228         }
1229
1230         return 0;
1231 }
1232
1233 static int soc15_common_late_init(void *handle)
1234 {
1235         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1236         int r = 0;
1237
1238         if (amdgpu_sriov_vf(adev))
1239                 xgpu_ai_mailbox_get_irq(adev);
1240
1241         if (adev->nbio.funcs->ras_late_init)
1242                 r = adev->nbio.funcs->ras_late_init(adev);
1243
1244         return r;
1245 }
1246
1247 static int soc15_common_sw_init(void *handle)
1248 {
1249         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1250
1251         if (amdgpu_sriov_vf(adev))
1252                 xgpu_ai_mailbox_add_irq_id(adev);
1253
1254         adev->df.funcs->sw_init(adev);
1255
1256         return 0;
1257 }
1258
1259 static int soc15_common_sw_fini(void *handle)
1260 {
1261         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1262
1263         amdgpu_nbio_ras_fini(adev);
1264         adev->df.funcs->sw_fini(adev);
1265         return 0;
1266 }
1267
1268 static void soc15_doorbell_range_init(struct amdgpu_device *adev)
1269 {
1270         int i;
1271         struct amdgpu_ring *ring;
1272
1273         /* sdma/ih doorbell range are programed by hypervisor */
1274         if (!amdgpu_sriov_vf(adev)) {
1275                 for (i = 0; i < adev->sdma.num_instances; i++) {
1276                         ring = &adev->sdma.instance[i].ring;
1277                         adev->nbio.funcs->sdma_doorbell_range(adev, i,
1278                                 ring->use_doorbell, ring->doorbell_index,
1279                                 adev->doorbell_index.sdma_doorbell_range);
1280                 }
1281
1282                 adev->nbio.funcs->ih_doorbell_range(adev, adev->irq.ih.use_doorbell,
1283                                                 adev->irq.ih.doorbell_index);
1284         }
1285 }
1286
1287 static int soc15_common_hw_init(void *handle)
1288 {
1289         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1290
1291         /* enable pcie gen2/3 link */
1292         soc15_pcie_gen3_enable(adev);
1293         /* enable aspm */
1294         soc15_program_aspm(adev);
1295         /* setup nbio registers */
1296         adev->nbio.funcs->init_registers(adev);
1297         /* remap HDP registers to a hole in mmio space,
1298          * for the purpose of expose those registers
1299          * to process space
1300          */
1301         if (adev->nbio.funcs->remap_hdp_registers)
1302                 adev->nbio.funcs->remap_hdp_registers(adev);
1303
1304         /* enable the doorbell aperture */
1305         soc15_enable_doorbell_aperture(adev, true);
1306         /* HW doorbell routing policy: doorbell writing not
1307          * in SDMA/IH/MM/ACV range will be routed to CP. So
1308          * we need to init SDMA/IH/MM/ACV doorbell range prior
1309          * to CP ip block init and ring test.
1310          */
1311         soc15_doorbell_range_init(adev);
1312
1313         return 0;
1314 }
1315
1316 static int soc15_common_hw_fini(void *handle)
1317 {
1318         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1319
1320         /* disable the doorbell aperture */
1321         soc15_enable_doorbell_aperture(adev, false);
1322         if (amdgpu_sriov_vf(adev))
1323                 xgpu_ai_mailbox_put_irq(adev);
1324
1325         if (adev->nbio.ras_if &&
1326             amdgpu_ras_is_supported(adev, adev->nbio.ras_if->block)) {
1327                 if (adev->nbio.funcs->init_ras_controller_interrupt)
1328                         amdgpu_irq_put(adev, &adev->nbio.ras_controller_irq, 0);
1329                 if (adev->nbio.funcs->init_ras_err_event_athub_interrupt)
1330                         amdgpu_irq_put(adev, &adev->nbio.ras_err_event_athub_irq, 0);
1331         }
1332
1333         return 0;
1334 }
1335
1336 static int soc15_common_suspend(void *handle)
1337 {
1338         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1339
1340         return soc15_common_hw_fini(adev);
1341 }
1342
1343 static int soc15_common_resume(void *handle)
1344 {
1345         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1346
1347         return soc15_common_hw_init(adev);
1348 }
1349
1350 static bool soc15_common_is_idle(void *handle)
1351 {
1352         return true;
1353 }
1354
1355 static int soc15_common_wait_for_idle(void *handle)
1356 {
1357         return 0;
1358 }
1359
1360 static int soc15_common_soft_reset(void *handle)
1361 {
1362         return 0;
1363 }
1364
1365 static void soc15_update_hdp_light_sleep(struct amdgpu_device *adev, bool enable)
1366 {
1367         uint32_t def, data;
1368
1369         if (adev->asic_type == CHIP_VEGA20 ||
1370                 adev->asic_type == CHIP_ARCTURUS) {
1371                 def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_CTRL));
1372
1373                 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
1374                         data |= HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK |
1375                                 HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK |
1376                                 HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK |
1377                                 HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK;
1378                 else
1379                         data &= ~(HDP_MEM_POWER_CTRL__IPH_MEM_POWER_CTRL_EN_MASK |
1380                                 HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK |
1381                                 HDP_MEM_POWER_CTRL__RC_MEM_POWER_CTRL_EN_MASK |
1382                                 HDP_MEM_POWER_CTRL__RC_MEM_POWER_LS_EN_MASK);
1383
1384                 if (def != data)
1385                         WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_CTRL), data);
1386         } else {
1387                 def = data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS));
1388
1389                 if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
1390                         data |= HDP_MEM_POWER_LS__LS_ENABLE_MASK;
1391                 else
1392                         data &= ~HDP_MEM_POWER_LS__LS_ENABLE_MASK;
1393
1394                 if (def != data)
1395                         WREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS), data);
1396         }
1397 }
1398
1399 static void soc15_update_drm_clock_gating(struct amdgpu_device *adev, bool enable)
1400 {
1401         uint32_t def, data;
1402
1403         def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
1404
1405         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_MGCG))
1406                 data &= ~(0x01000000 |
1407                           0x02000000 |
1408                           0x04000000 |
1409                           0x08000000 |
1410                           0x10000000 |
1411                           0x20000000 |
1412                           0x40000000 |
1413                           0x80000000);
1414         else
1415                 data |= (0x01000000 |
1416                          0x02000000 |
1417                          0x04000000 |
1418                          0x08000000 |
1419                          0x10000000 |
1420                          0x20000000 |
1421                          0x40000000 |
1422                          0x80000000);
1423
1424         if (def != data)
1425                 WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0), data);
1426 }
1427
1428 static void soc15_update_drm_light_sleep(struct amdgpu_device *adev, bool enable)
1429 {
1430         uint32_t def, data;
1431
1432         def = data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
1433
1434         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_LS))
1435                 data |= 1;
1436         else
1437                 data &= ~1;
1438
1439         if (def != data)
1440                 WREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL), data);
1441 }
1442
1443 static void soc15_update_rom_medium_grain_clock_gating(struct amdgpu_device *adev,
1444                                                        bool enable)
1445 {
1446         uint32_t def, data;
1447
1448         def = data = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0));
1449
1450         if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ROM_MGCG))
1451                 data &= ~(CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
1452                         CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK);
1453         else
1454                 data |= CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
1455                         CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK;
1456
1457         if (def != data)
1458                 WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0), data);
1459 }
1460
1461 static int soc15_common_set_clockgating_state(void *handle,
1462                                             enum amd_clockgating_state state)
1463 {
1464         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1465
1466         if (amdgpu_sriov_vf(adev))
1467                 return 0;
1468
1469         switch (adev->asic_type) {
1470         case CHIP_VEGA10:
1471         case CHIP_VEGA12:
1472         case CHIP_VEGA20:
1473                 adev->nbio.funcs->update_medium_grain_clock_gating(adev,
1474                                 state == AMD_CG_STATE_GATE);
1475                 adev->nbio.funcs->update_medium_grain_light_sleep(adev,
1476                                 state == AMD_CG_STATE_GATE);
1477                 soc15_update_hdp_light_sleep(adev,
1478                                 state == AMD_CG_STATE_GATE);
1479                 soc15_update_drm_clock_gating(adev,
1480                                 state == AMD_CG_STATE_GATE);
1481                 soc15_update_drm_light_sleep(adev,
1482                                 state == AMD_CG_STATE_GATE);
1483                 soc15_update_rom_medium_grain_clock_gating(adev,
1484                                 state == AMD_CG_STATE_GATE);
1485                 adev->df.funcs->update_medium_grain_clock_gating(adev,
1486                                 state == AMD_CG_STATE_GATE);
1487                 break;
1488         case CHIP_RAVEN:
1489         case CHIP_RENOIR:
1490                 adev->nbio.funcs->update_medium_grain_clock_gating(adev,
1491                                 state == AMD_CG_STATE_GATE);
1492                 adev->nbio.funcs->update_medium_grain_light_sleep(adev,
1493                                 state == AMD_CG_STATE_GATE);
1494                 soc15_update_hdp_light_sleep(adev,
1495                                 state == AMD_CG_STATE_GATE);
1496                 soc15_update_drm_clock_gating(adev,
1497                                 state == AMD_CG_STATE_GATE);
1498                 soc15_update_drm_light_sleep(adev,
1499                                 state == AMD_CG_STATE_GATE);
1500                 soc15_update_rom_medium_grain_clock_gating(adev,
1501                                 state == AMD_CG_STATE_GATE);
1502                 break;
1503         case CHIP_ARCTURUS:
1504                 soc15_update_hdp_light_sleep(adev,
1505                                 state == AMD_CG_STATE_GATE);
1506                 break;
1507         default:
1508                 break;
1509         }
1510         return 0;
1511 }
1512
1513 static void soc15_common_get_clockgating_state(void *handle, u32 *flags)
1514 {
1515         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1516         int data;
1517
1518         if (amdgpu_sriov_vf(adev))
1519                 *flags = 0;
1520
1521         adev->nbio.funcs->get_clockgating_state(adev, flags);
1522
1523         /* AMD_CG_SUPPORT_HDP_LS */
1524         data = RREG32(SOC15_REG_OFFSET(HDP, 0, mmHDP_MEM_POWER_LS));
1525         if (data & HDP_MEM_POWER_LS__LS_ENABLE_MASK)
1526                 *flags |= AMD_CG_SUPPORT_HDP_LS;
1527
1528         /* AMD_CG_SUPPORT_DRM_MGCG */
1529         data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_CGTT_CTRL0));
1530         if (!(data & 0x01000000))
1531                 *flags |= AMD_CG_SUPPORT_DRM_MGCG;
1532
1533         /* AMD_CG_SUPPORT_DRM_LS */
1534         data = RREG32(SOC15_REG_OFFSET(MP0, 0, mmMP0_MISC_LIGHT_SLEEP_CTRL));
1535         if (data & 0x1)
1536                 *flags |= AMD_CG_SUPPORT_DRM_LS;
1537
1538         /* AMD_CG_SUPPORT_ROM_MGCG */
1539         data = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmCGTT_ROM_CLK_CTRL0));
1540         if (!(data & CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK))
1541                 *flags |= AMD_CG_SUPPORT_ROM_MGCG;
1542
1543         adev->df.funcs->get_clockgating_state(adev, flags);
1544 }
1545
1546 static int soc15_common_set_powergating_state(void *handle,
1547                                             enum amd_powergating_state state)
1548 {
1549         /* todo */
1550         return 0;
1551 }
1552
1553 const struct amd_ip_funcs soc15_common_ip_funcs = {
1554         .name = "soc15_common",
1555         .early_init = soc15_common_early_init,
1556         .late_init = soc15_common_late_init,
1557         .sw_init = soc15_common_sw_init,
1558         .sw_fini = soc15_common_sw_fini,
1559         .hw_init = soc15_common_hw_init,
1560         .hw_fini = soc15_common_hw_fini,
1561         .suspend = soc15_common_suspend,
1562         .resume = soc15_common_resume,
1563         .is_idle = soc15_common_is_idle,
1564         .wait_for_idle = soc15_common_wait_for_idle,
1565         .soft_reset = soc15_common_soft_reset,
1566         .set_clockgating_state = soc15_common_set_clockgating_state,
1567         .set_powergating_state = soc15_common_set_powergating_state,
1568         .get_clockgating_state= soc15_common_get_clockgating_state,
1569 };