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

   1 /*
   2  * Copyright 2019 Advanced Micro Devices, Inc.
   3  *
   4  * Permission is hereby granted, free of charge, to any person obtaining a
   5  * copy of this software and associated documentation files (the "Software"),
   6  * to deal in the Software without restriction, including without limitation
   7  * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8  * and/or sell copies of the Software, and to permit persons to whom the
   9  * Software is furnished to do so, subject to the following conditions:
  10  *
  11  * The above copyright notice and this permission notice shall be included in
  12  * all copies or substantial portions of the Software.
  13  *
  14  * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15  * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17  * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18  * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19  * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20  * OTHER DEALINGS IN THE SOFTWARE.
  21  *
  22  */
  23 #include <linux/firmware.h>
  24 #include <linux/slab.h>
  25 #include <linux/module.h>
  26 #include <linux/pci.h>
  27
  28 #include "amdgpu.h"
  29 #include "amdgpu_atombios.h"
  30 #include "amdgpu_ih.h"
  31 #include "amdgpu_uvd.h"
  32 #include "amdgpu_vce.h"
  33 #include "amdgpu_ucode.h"
  34 #include "amdgpu_psp.h"
  35 #include "amdgpu_smu.h"
  36 #include "atom.h"
  37 #include "amd_pcie.h"
  38
  39 #include "gc/gc_10_1_0_offset.h"
  40 #include "gc/gc_10_1_0_sh_mask.h"
  41 #include "hdp/hdp_5_0_0_offset.h"
  42 #include "hdp/hdp_5_0_0_sh_mask.h"
  43 #include "smuio/smuio_11_0_0_offset.h"
  44
  45 #include "soc15.h"
  46 #include "soc15_common.h"
  47 #include "gmc_v10_0.h"
  48 #include "gfxhub_v2_0.h"
  49 #include "mmhub_v2_0.h"
  50 #include "nbio_v2_3.h"
  51 #include "nv.h"
  52 #include "navi10_ih.h"
  53 #include "gfx_v10_0.h"
  54 #include "sdma_v5_0.h"
  55 #include "vcn_v2_0.h"
  56 #include "jpeg_v2_0.h"
  57 #include "dce_virtual.h"
  58 #include "mes_v10_1.h"
  59 #include "mxgpu_nv.h"
  60
  61 static const struct amd_ip_funcs nv_common_ip_funcs;
  62
  63 /*
  64  * Indirect registers accessor
  65  */
  66 static u32 nv_pcie_rreg(struct amdgpu_device *adev, u32 reg)
  67 {
  68         unsigned long flags, address, data;
  69         u32 r;
  70         address = adev->nbio.funcs->get_pcie_index_offset(adev);
  71         data = adev->nbio.funcs->get_pcie_data_offset(adev);
  72
  73         spin_lock_irqsave(&adev->pcie_idx_lock, flags);
  74         WREG32(address, reg);
  75         (void)RREG32(address);
  76         r = RREG32(data);
  77         spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
  78         return r;
  79 }
  80
  81 static void nv_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
  82 {
  83         unsigned long flags, address, data;
  84
  85         address = adev->nbio.funcs->get_pcie_index_offset(adev);
  86         data = adev->nbio.funcs->get_pcie_data_offset(adev);
  87
  88         spin_lock_irqsave(&adev->pcie_idx_lock, flags);
  89         WREG32(address, reg);
  90         (void)RREG32(address);
  91         WREG32(data, v);
  92         (void)RREG32(data);
  93         spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
  94 }
  95
  96 static u32 nv_didt_rreg(struct amdgpu_device *adev, u32 reg)
  97 {
  98         unsigned long flags, address, data;
  99         u32 r;
 100
 101         address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
 102         data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
 103
 104         spin_lock_irqsave(&adev->didt_idx_lock, flags);
 105         WREG32(address, (reg));
 106         r = RREG32(data);
 107         spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
 108         return r;
 109 }
 110
 111 static void nv_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 112 {
 113         unsigned long flags, address, data;
 114
 115         address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
 116         data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
 117
 118         spin_lock_irqsave(&adev->didt_idx_lock, flags);
 119         WREG32(address, (reg));
 120         WREG32(data, (v));
 121         spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
 122 }
 123
 124 static u32 nv_get_config_memsize(struct amdgpu_device *adev)
 125 {
 126         return adev->nbio.funcs->get_memsize(adev);
 127 }
 128
 129 static u32 nv_get_xclk(struct amdgpu_device *adev)
 130 {
 131         return adev->clock.spll.reference_freq;
 132 }
 133
 134
 135 void nv_grbm_select(struct amdgpu_device *adev,
 136                      u32 me, u32 pipe, u32 queue, u32 vmid)
 137 {
 138         u32 grbm_gfx_cntl = 0;
 139         grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe);
 140         grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me);
 141         grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid);
 142         grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue);
 143
 144         WREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_GFX_CNTL), grbm_gfx_cntl);
 145 }
 146
 147 static void nv_vga_set_state(struct amdgpu_device *adev, bool state)
 148 {
 149         /* todo */
 150 }
 151
 152 static bool nv_read_disabled_bios(struct amdgpu_device *adev)
 153 {
 154         /* todo */
 155         return false;
 156 }
 157
 158 static bool nv_read_bios_from_rom(struct amdgpu_device *adev,
 159                                   u8 *bios, u32 length_bytes)
 160 {
 161         u32 *dw_ptr;
 162         u32 i, length_dw;
 163
 164         if (bios == NULL)
 165                 return false;
 166         if (length_bytes == 0)
 167                 return false;
 168         /* APU vbios image is part of sbios image */
 169         if (adev->flags & AMD_IS_APU)
 170                 return false;
 171
 172         dw_ptr = (u32 *)bios;
 173         length_dw = ALIGN(length_bytes, 4) / 4;
 174
 175         /* set rom index to 0 */
 176         WREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_INDEX), 0);
 177         /* read out the rom data */
 178         for (i = 0; i < length_dw; i++)
 179                 dw_ptr[i] = RREG32(SOC15_REG_OFFSET(SMUIO, 0, mmROM_DATA));
 180
 181         return true;
 182 }
 183
 184 static struct soc15_allowed_register_entry nv_allowed_read_registers[] = {
 185         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS)},
 186         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS2)},
 187         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE0)},
 188         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE1)},
 189         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE2)},
 190         { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE3)},
 191 #if 0   /* TODO: will set it when SDMA header is available */
 192         { SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_STATUS_REG)},
 193         { SOC15_REG_ENTRY(SDMA1, 0, mmSDMA1_STATUS_REG)},
 194 #endif
 195         { SOC15_REG_ENTRY(GC, 0, mmCP_STAT)},
 196         { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT1)},
 197         { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT2)},
 198         { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT3)},
 199         { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_BUSY_STAT)},
 200         { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STALLED_STAT1)},
 201         { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STATUS)},
 202         { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_BUSY_STAT)},
 203         { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STALLED_STAT1)},
 204         { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STATUS)},
 205         { SOC15_REG_ENTRY(GC, 0, mmGB_ADDR_CONFIG)},
 206 };
 207
 208 static uint32_t nv_read_indexed_register(struct amdgpu_device *adev, u32 se_num,
 209                                          u32 sh_num, u32 reg_offset)
 210 {
 211         uint32_t val;
 212
 213         mutex_lock(&adev->grbm_idx_mutex);
 214         if (se_num != 0xffffffff || sh_num != 0xffffffff)
 215                 amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff);
 216
 217         val = RREG32(reg_offset);
 218
 219         if (se_num != 0xffffffff || sh_num != 0xffffffff)
 220                 amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
 221         mutex_unlock(&adev->grbm_idx_mutex);
 222         return val;
 223 }
 224
 225 static uint32_t nv_get_register_value(struct amdgpu_device *adev,
 226                                       bool indexed, u32 se_num,
 227                                       u32 sh_num, u32 reg_offset)
 228 {
 229         if (indexed) {
 230                 return nv_read_indexed_register(adev, se_num, sh_num, reg_offset);
 231         } else {
 232                 if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG))
 233                         return adev->gfx.config.gb_addr_config;
 234                 return RREG32(reg_offset);
 235         }
 236 }
 237
 238 static int nv_read_register(struct amdgpu_device *adev, u32 se_num,
 239                             u32 sh_num, u32 reg_offset, u32 *value)
 240 {
 241         uint32_t i;
 242         struct soc15_allowed_register_entry  *en;
 243
 244         *value = 0;
 245         for (i = 0; i < ARRAY_SIZE(nv_allowed_read_registers); i++) {
 246                 en = &nv_allowed_read_registers[i];
 247                 if (reg_offset !=
 248                     (adev->reg_offset[en->hwip][en->inst][en->seg] + en->reg_offset))
 249                         continue;
 250
 251                 *value = nv_get_register_value(adev,
 252                                                nv_allowed_read_registers[i].grbm_indexed,
 253                                                se_num, sh_num, reg_offset);
 254                 return 0;
 255         }
 256         return -EINVAL;
 257 }
 258
 259 #if 0
 260 static void nv_gpu_pci_config_reset(struct amdgpu_device *adev)
 261 {
 262         u32 i;
 263
 264         dev_info(adev->dev, "GPU pci config reset\n");
 265
 266         /* disable BM */
 267         pci_clear_master(adev->pdev);
 268         /* reset */
 269         amdgpu_pci_config_reset(adev);
 270
 271         udelay(100);
 272
 273         /* wait for asic to come out of reset */
 274         for (i = 0; i < adev->usec_timeout; i++) {
 275                 u32 memsize = nbio_v2_3_get_memsize(adev);
 276                 if (memsize != 0xffffffff)
 277                         break;
 278                 udelay(1);
 279         }
 280
 281 }
 282 #endif
 283
 284 static int nv_asic_mode1_reset(struct amdgpu_device *adev)
 285 {
 286         u32 i;
 287         int ret = 0;
 288
 289         amdgpu_atombios_scratch_regs_engine_hung(adev, true);
 290
 291         dev_info(adev->dev, "GPU mode1 reset\n");
 292
 293         /* disable BM */
 294         pci_clear_master(adev->pdev);
 295
 296         pci_save_state(adev->pdev);
 297
 298         ret = psp_gpu_reset(adev);
 299         if (ret)
 300                 dev_err(adev->dev, "GPU mode1 reset failed\n");
 301
 302         pci_restore_state(adev->pdev);
 303
 304         /* wait for asic to come out of reset */
 305         for (i = 0; i < adev->usec_timeout; i++) {
 306                 u32 memsize = adev->nbio.funcs->get_memsize(adev);
 307
 308                 if (memsize != 0xffffffff)
 309                         break;
 310                 udelay(1);
 311         }
 312
 313         amdgpu_atombios_scratch_regs_engine_hung(adev, false);
 314
 315         return ret;
 316 }
 317
 318 static bool nv_asic_supports_baco(struct amdgpu_device *adev)
 319 {
 320         struct smu_context *smu = &adev->smu;
 321
 322         if (smu_baco_is_support(smu))
 323                 return true;
 324         else
 325                 return false;
 326 }
 327
 328 static enum amd_reset_method
 329 nv_asic_reset_method(struct amdgpu_device *adev)
 330 {
 331         struct smu_context *smu = &adev->smu;
 332
 333         if (!amdgpu_sriov_vf(adev) && smu_baco_is_support(smu))
 334                 return AMD_RESET_METHOD_BACO;
 335         else
 336                 return AMD_RESET_METHOD_MODE1;
 337 }
 338
 339 static int nv_asic_reset(struct amdgpu_device *adev)
 340 {
 341
 342         /* FIXME: it doesn't work since vega10 */
 343 #if 0
 344         amdgpu_atombios_scratch_regs_engine_hung(adev, true);
 345
 346         nv_gpu_pci_config_reset(adev);
 347
 348         amdgpu_atombios_scratch_regs_engine_hung(adev, false);
 349 #endif
 350         int ret = 0;
 351         struct smu_context *smu = &adev->smu;
 352
 353         if (nv_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) {
 354                 ret = smu_baco_enter(smu);
 355                 if (ret)
 356                         return ret;
 357                 ret = smu_baco_exit(smu);
 358                 if (ret)
 359                         return ret;
 360         } else {
 361                 ret = nv_asic_mode1_reset(adev);
 362         }
 363
 364         return ret;
 365 }
 366
 367 static int nv_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
 368 {
 369         /* todo */
 370         return 0;
 371 }
 372
 373 static int nv_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
 374 {
 375         /* todo */
 376         return 0;
 377 }
 378
 379 static void nv_pcie_gen3_enable(struct amdgpu_device *adev)
 380 {
 381         if (pci_is_root_bus(adev->pdev->bus))
 382                 return;
 383
 384         if (amdgpu_pcie_gen2 == 0)
 385                 return;
 386
 387         if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
 388                                         CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
 389                 return;
 390
 391         /* todo */
 392 }
 393
 394 static void nv_program_aspm(struct amdgpu_device *adev)
 395 {
 396
 397         if (amdgpu_aspm == 0)
 398                 return;
 399
 400         /* todo */
 401 }
 402
 403 static void nv_enable_doorbell_aperture(struct amdgpu_device *adev,
 404                                         bool enable)
 405 {
 406         adev->nbio.funcs->enable_doorbell_aperture(adev, enable);
 407         adev->nbio.funcs->enable_doorbell_selfring_aperture(adev, enable);
 408 }
 409
 410 static const struct amdgpu_ip_block_version nv_common_ip_block =
 411 {
 412         .type = AMD_IP_BLOCK_TYPE_COMMON,
 413         .major = 1,
 414         .minor = 0,
 415         .rev = 0,
 416         .funcs = &nv_common_ip_funcs,
 417 };
 418
 419 static int nv_reg_base_init(struct amdgpu_device *adev)
 420 {
 421         int r;
 422
 423         if (amdgpu_discovery) {
 424                 r = amdgpu_discovery_reg_base_init(adev);
 425                 if (r) {
 426                         DRM_WARN("failed to init reg base from ip discovery table, "
 427                                         "fallback to legacy init method\n");
 428                         goto legacy_init;
 429                 }
 430
 431                 return 0;
 432         }
 433
 434 legacy_init:
 435         switch (adev->asic_type) {
 436         case CHIP_NAVI10:
 437                 navi10_reg_base_init(adev);
 438                 break;
 439         case CHIP_NAVI14:
 440                 navi14_reg_base_init(adev);
 441                 break;
 442         case CHIP_NAVI12:
 443                 navi12_reg_base_init(adev);
 444                 break;
 445         default:
 446                 return -EINVAL;
 447         }
 448
 449         return 0;
 450 }
 451
 452 int nv_set_ip_blocks(struct amdgpu_device *adev)
 453 {
 454         int r;
 455
 456         adev->nbio.funcs = &nbio_v2_3_funcs;
 457         adev->nbio.hdp_flush_reg = &nbio_v2_3_hdp_flush_reg;
 458
 459         if (amdgpu_sriov_vf(adev)) {
 460                 adev->virt.ops = &xgpu_nv_virt_ops;
 461                 /* try send GPU_INIT_DATA request to host */
 462                 amdgpu_virt_request_init_data(adev);
 463         }
 464
 465         /* Set IP register base before any HW register access */
 466         r = nv_reg_base_init(adev);
 467         if (r)
 468                 return r;
 469
 470         switch (adev->asic_type) {
 471         case CHIP_NAVI10:
 472         case CHIP_NAVI14:
 473                 amdgpu_device_ip_block_add(adev, &nv_common_ip_block);
 474                 amdgpu_device_ip_block_add(adev, &gmc_v10_0_ip_block);
 475                 amdgpu_device_ip_block_add(adev, &navi10_ih_ip_block);
 476                 amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
 477                 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP &&
 478                     !amdgpu_sriov_vf(adev))
 479                         amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
 480                 if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
 481                         amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
 482 #if defined(CONFIG_DRM_AMD_DC)
 483                 else if (amdgpu_device_has_dc_support(adev))
 484                         amdgpu_device_ip_block_add(adev, &dm_ip_block);
 485 #endif
 486                 amdgpu_device_ip_block_add(adev, &gfx_v10_0_ip_block);
 487                 amdgpu_device_ip_block_add(adev, &sdma_v5_0_ip_block);
 488                 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT &&
 489                     !amdgpu_sriov_vf(adev))
 490                         amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
 491                 amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
 492                 amdgpu_device_ip_block_add(adev, &jpeg_v2_0_ip_block);
 493                 if (adev->enable_mes)
 494                         amdgpu_device_ip_block_add(adev, &mes_v10_1_ip_block);
 495                 break;
 496         case CHIP_NAVI12:
 497                 amdgpu_device_ip_block_add(adev, &nv_common_ip_block);
 498                 amdgpu_device_ip_block_add(adev, &gmc_v10_0_ip_block);
 499                 amdgpu_device_ip_block_add(adev, &navi10_ih_ip_block);
 500                 amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
 501                 if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP)
 502                         amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
 503                 if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
 504                         amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
 505 #if defined(CONFIG_DRM_AMD_DC)
 506                 else if (amdgpu_device_has_dc_support(adev))
 507                         amdgpu_device_ip_block_add(adev, &dm_ip_block);
 508 #endif
 509                 amdgpu_device_ip_block_add(adev, &gfx_v10_0_ip_block);
 510                 amdgpu_device_ip_block_add(adev, &sdma_v5_0_ip_block);
 511                 if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT &&
 512                     !amdgpu_sriov_vf(adev))
 513                         amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
 514                 amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
 515                 if (!amdgpu_sriov_vf(adev))
 516                         amdgpu_device_ip_block_add(adev, &jpeg_v2_0_ip_block);
 517                 break;
 518         default:
 519                 return -EINVAL;
 520         }
 521
 522         return 0;
 523 }
 524
 525 static uint32_t nv_get_rev_id(struct amdgpu_device *adev)
 526 {
 527         return adev->nbio.funcs->get_rev_id(adev);
 528 }
 529
 530 static void nv_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring)
 531 {
 532         adev->nbio.funcs->hdp_flush(adev, ring);
 533 }
 534
 535 static void nv_invalidate_hdp(struct amdgpu_device *adev,
 536                                 struct amdgpu_ring *ring)
 537 {
 538         if (!ring || !ring->funcs->emit_wreg) {
 539                 WREG32_SOC15_NO_KIQ(NBIO, 0, mmHDP_READ_CACHE_INVALIDATE, 1);
 540         } else {
 541                 amdgpu_ring_emit_wreg(ring, SOC15_REG_OFFSET(
 542                                         HDP, 0, mmHDP_READ_CACHE_INVALIDATE), 1);
 543         }
 544 }
 545
 546 static bool nv_need_full_reset(struct amdgpu_device *adev)
 547 {
 548         return true;
 549 }
 550
 551 static bool nv_need_reset_on_init(struct amdgpu_device *adev)
 552 {
 553 #if 0
 554         u32 sol_reg;
 555
 556         if (adev->flags & AMD_IS_APU)
 557                 return false;
 558
 559         /* Check sOS sign of life register to confirm sys driver and sOS
 560          * are already been loaded.
 561          */
 562         sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
 563         if (sol_reg)
 564                 return true;
 565 #endif
 566         /* TODO: re-enable it when mode1 reset is functional */
 567         return false;
 568 }
 569
 570 static uint64_t nv_get_pcie_replay_count(struct amdgpu_device *adev)
 571 {
 572
 573         /* TODO
 574          * dummy implement for pcie_replay_count sysfs interface
 575          * */
 576
 577         return 0;
 578 }
 579
 580 static void nv_init_doorbell_index(struct amdgpu_device *adev)
 581 {
 582         adev->doorbell_index.kiq = AMDGPU_NAVI10_DOORBELL_KIQ;
 583         adev->doorbell_index.mec_ring0 = AMDGPU_NAVI10_DOORBELL_MEC_RING0;
 584         adev->doorbell_index.mec_ring1 = AMDGPU_NAVI10_DOORBELL_MEC_RING1;
 585         adev->doorbell_index.mec_ring2 = AMDGPU_NAVI10_DOORBELL_MEC_RING2;
 586         adev->doorbell_index.mec_ring3 = AMDGPU_NAVI10_DOORBELL_MEC_RING3;
 587         adev->doorbell_index.mec_ring4 = AMDGPU_NAVI10_DOORBELL_MEC_RING4;
 588         adev->doorbell_index.mec_ring5 = AMDGPU_NAVI10_DOORBELL_MEC_RING5;
 589         adev->doorbell_index.mec_ring6 = AMDGPU_NAVI10_DOORBELL_MEC_RING6;
 590         adev->doorbell_index.mec_ring7 = AMDGPU_NAVI10_DOORBELL_MEC_RING7;
 591         adev->doorbell_index.userqueue_start = AMDGPU_NAVI10_DOORBELL_USERQUEUE_START;
 592         adev->doorbell_index.userqueue_end = AMDGPU_NAVI10_DOORBELL_USERQUEUE_END;
 593         adev->doorbell_index.gfx_ring0 = AMDGPU_NAVI10_DOORBELL_GFX_RING0;
 594         adev->doorbell_index.gfx_ring1 = AMDGPU_NAVI10_DOORBELL_GFX_RING1;
 595         adev->doorbell_index.sdma_engine[0] = AMDGPU_NAVI10_DOORBELL_sDMA_ENGINE0;
 596         adev->doorbell_index.sdma_engine[1] = AMDGPU_NAVI10_DOORBELL_sDMA_ENGINE1;
 597         adev->doorbell_index.ih = AMDGPU_NAVI10_DOORBELL_IH;
 598         adev->doorbell_index.vcn.vcn_ring0_1 = AMDGPU_NAVI10_DOORBELL64_VCN0_1;
 599         adev->doorbell_index.vcn.vcn_ring2_3 = AMDGPU_NAVI10_DOORBELL64_VCN2_3;
 600         adev->doorbell_index.vcn.vcn_ring4_5 = AMDGPU_NAVI10_DOORBELL64_VCN4_5;
 601         adev->doorbell_index.vcn.vcn_ring6_7 = AMDGPU_NAVI10_DOORBELL64_VCN6_7;
 602         adev->doorbell_index.first_non_cp = AMDGPU_NAVI10_DOORBELL64_FIRST_NON_CP;
 603         adev->doorbell_index.last_non_cp = AMDGPU_NAVI10_DOORBELL64_LAST_NON_CP;
 604
 605         adev->doorbell_index.max_assignment = AMDGPU_NAVI10_DOORBELL_MAX_ASSIGNMENT << 1;
 606         adev->doorbell_index.sdma_doorbell_range = 20;
 607 }
 608
 609 static const struct amdgpu_asic_funcs nv_asic_funcs =
 610 {
 611         .read_disabled_bios = &nv_read_disabled_bios,
 612         .read_bios_from_rom = &nv_read_bios_from_rom,
 613         .read_register = &nv_read_register,
 614         .reset = &nv_asic_reset,
 615         .reset_method = &nv_asic_reset_method,
 616         .set_vga_state = &nv_vga_set_state,
 617         .get_xclk = &nv_get_xclk,
 618         .set_uvd_clocks = &nv_set_uvd_clocks,
 619         .set_vce_clocks = &nv_set_vce_clocks,
 620         .get_config_memsize = &nv_get_config_memsize,
 621         .flush_hdp = &nv_flush_hdp,
 622         .invalidate_hdp = &nv_invalidate_hdp,
 623         .init_doorbell_index = &nv_init_doorbell_index,
 624         .need_full_reset = &nv_need_full_reset,
 625         .need_reset_on_init = &nv_need_reset_on_init,
 626         .get_pcie_replay_count = &nv_get_pcie_replay_count,
 627         .supports_baco = &nv_asic_supports_baco,
 628 };
 629
 630 static int nv_common_early_init(void *handle)
 631 {
 632 #define MMIO_REG_HOLE_OFFSET (0x80000 - PAGE_SIZE)
 633         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 634
 635         adev->rmmio_remap.reg_offset = MMIO_REG_HOLE_OFFSET;
 636         adev->rmmio_remap.bus_addr = adev->rmmio_base + MMIO_REG_HOLE_OFFSET;
 637         adev->smc_rreg = NULL;
 638         adev->smc_wreg = NULL;
 639         adev->pcie_rreg = &nv_pcie_rreg;
 640         adev->pcie_wreg = &nv_pcie_wreg;
 641
 642         /* TODO: will add them during VCN v2 implementation */
 643         adev->uvd_ctx_rreg = NULL;
 644         adev->uvd_ctx_wreg = NULL;
 645
 646         adev->didt_rreg = &nv_didt_rreg;
 647         adev->didt_wreg = &nv_didt_wreg;
 648
 649         adev->asic_funcs = &nv_asic_funcs;
 650
 651         adev->rev_id = nv_get_rev_id(adev);
 652         adev->external_rev_id = 0xff;
 653         switch (adev->asic_type) {
 654         case CHIP_NAVI10:
 655                 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 656                         AMD_CG_SUPPORT_GFX_CGCG |
 657                         AMD_CG_SUPPORT_IH_CG |
 658                         AMD_CG_SUPPORT_HDP_MGCG |
 659                         AMD_CG_SUPPORT_HDP_LS |
 660                         AMD_CG_SUPPORT_SDMA_MGCG |
 661                         AMD_CG_SUPPORT_SDMA_LS |
 662                         AMD_CG_SUPPORT_MC_MGCG |
 663                         AMD_CG_SUPPORT_MC_LS |
 664                         AMD_CG_SUPPORT_ATHUB_MGCG |
 665                         AMD_CG_SUPPORT_ATHUB_LS |
 666                         AMD_CG_SUPPORT_VCN_MGCG |
 667                         AMD_CG_SUPPORT_JPEG_MGCG |
 668                         AMD_CG_SUPPORT_BIF_MGCG |
 669                         AMD_CG_SUPPORT_BIF_LS;
 670                 adev->pg_flags = AMD_PG_SUPPORT_VCN |
 671                         AMD_PG_SUPPORT_VCN_DPG |
 672                         AMD_PG_SUPPORT_JPEG |
 673                         AMD_PG_SUPPORT_ATHUB;
 674                 adev->external_rev_id = adev->rev_id + 0x1;
 675                 break;
 676         case CHIP_NAVI14:
 677                 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 678                         AMD_CG_SUPPORT_GFX_CGCG |
 679                         AMD_CG_SUPPORT_IH_CG |
 680                         AMD_CG_SUPPORT_HDP_MGCG |
 681                         AMD_CG_SUPPORT_HDP_LS |
 682                         AMD_CG_SUPPORT_SDMA_MGCG |
 683                         AMD_CG_SUPPORT_SDMA_LS |
 684                         AMD_CG_SUPPORT_MC_MGCG |
 685                         AMD_CG_SUPPORT_MC_LS |
 686                         AMD_CG_SUPPORT_ATHUB_MGCG |
 687                         AMD_CG_SUPPORT_ATHUB_LS |
 688                         AMD_CG_SUPPORT_VCN_MGCG |
 689                         AMD_CG_SUPPORT_JPEG_MGCG |
 690                         AMD_CG_SUPPORT_BIF_MGCG |
 691                         AMD_CG_SUPPORT_BIF_LS;
 692                 adev->pg_flags = AMD_PG_SUPPORT_VCN |
 693                         AMD_PG_SUPPORT_JPEG |
 694                         AMD_PG_SUPPORT_VCN_DPG;
 695                 adev->external_rev_id = adev->rev_id + 20;
 696                 break;
 697         case CHIP_NAVI12:
 698                 adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 699                         AMD_CG_SUPPORT_GFX_MGLS |
 700                         AMD_CG_SUPPORT_GFX_CGCG |
 701                         AMD_CG_SUPPORT_GFX_CP_LS |
 702                         AMD_CG_SUPPORT_GFX_RLC_LS |
 703                         AMD_CG_SUPPORT_IH_CG |
 704                         AMD_CG_SUPPORT_HDP_MGCG |
 705                         AMD_CG_SUPPORT_HDP_LS |
 706                         AMD_CG_SUPPORT_SDMA_MGCG |
 707                         AMD_CG_SUPPORT_SDMA_LS |
 708                         AMD_CG_SUPPORT_MC_MGCG |
 709                         AMD_CG_SUPPORT_MC_LS |
 710                         AMD_CG_SUPPORT_ATHUB_MGCG |
 711                         AMD_CG_SUPPORT_ATHUB_LS |
 712                         AMD_CG_SUPPORT_VCN_MGCG |
 713                         AMD_CG_SUPPORT_JPEG_MGCG;
 714                 adev->pg_flags = AMD_PG_SUPPORT_VCN |
 715                         AMD_PG_SUPPORT_VCN_DPG |
 716                         AMD_PG_SUPPORT_JPEG |
 717                         AMD_PG_SUPPORT_ATHUB;
 718                 /* guest vm gets 0xffffffff when reading RCC_DEV0_EPF0_STRAP0,
 719                  * as a consequence, the rev_id and external_rev_id are wrong.
 720                  * workaround it by hardcoding rev_id to 0 (default value).
 721                  */
 722                 if (amdgpu_sriov_vf(adev))
 723                         adev->rev_id = 0;
 724                 adev->external_rev_id = adev->rev_id + 0xa;
 725                 break;
 726         default:
 727                 /* FIXME: not supported yet */
 728                 return -EINVAL;
 729         }
 730
 731         if (amdgpu_sriov_vf(adev)) {
 732                 amdgpu_virt_init_setting(adev);
 733                 xgpu_nv_mailbox_set_irq_funcs(adev);
 734         }
 735
 736         return 0;
 737 }
 738
 739 static int nv_common_late_init(void *handle)
 740 {
 741         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 742
 743         if (amdgpu_sriov_vf(adev))
 744                 xgpu_nv_mailbox_get_irq(adev);
 745
 746         return 0;
 747 }
 748
 749 static int nv_common_sw_init(void *handle)
 750 {
 751         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 752
 753         if (amdgpu_sriov_vf(adev))
 754                 xgpu_nv_mailbox_add_irq_id(adev);
 755
 756         return 0;
 757 }
 758
 759 static int nv_common_sw_fini(void *handle)
 760 {
 761         return 0;
 762 }
 763
 764 static int nv_common_hw_init(void *handle)
 765 {
 766         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 767
 768         /* enable pcie gen2/3 link */
 769         nv_pcie_gen3_enable(adev);
 770         /* enable aspm */
 771         nv_program_aspm(adev);
 772         /* setup nbio registers */
 773         adev->nbio.funcs->init_registers(adev);
 774         /* remap HDP registers to a hole in mmio space,
 775          * for the purpose of expose those registers
 776          * to process space
 777          */
 778         if (adev->nbio.funcs->remap_hdp_registers)
 779                 adev->nbio.funcs->remap_hdp_registers(adev);
 780         /* enable the doorbell aperture */
 781         nv_enable_doorbell_aperture(adev, true);
 782
 783         return 0;
 784 }
 785
 786 static int nv_common_hw_fini(void *handle)
 787 {
 788         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 789
 790         /* disable the doorbell aperture */
 791         nv_enable_doorbell_aperture(adev, false);
 792
 793         return 0;
 794 }
 795
 796 static int nv_common_suspend(void *handle)
 797 {
 798         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 799
 800         return nv_common_hw_fini(adev);
 801 }
 802
 803 static int nv_common_resume(void *handle)
 804 {
 805         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 806
 807         return nv_common_hw_init(adev);
 808 }
 809
 810 static bool nv_common_is_idle(void *handle)
 811 {
 812         return true;
 813 }
 814
 815 static int nv_common_wait_for_idle(void *handle)
 816 {
 817         return 0;
 818 }
 819
 820 static int nv_common_soft_reset(void *handle)
 821 {
 822         return 0;
 823 }
 824
 825 static void nv_update_hdp_mem_power_gating(struct amdgpu_device *adev,
 826                                            bool enable)
 827 {
 828         uint32_t hdp_clk_cntl, hdp_clk_cntl1;
 829         uint32_t hdp_mem_pwr_cntl;
 830
 831         if (!(adev->cg_flags & (AMD_CG_SUPPORT_HDP_LS |
 832                                 AMD_CG_SUPPORT_HDP_DS |
 833                                 AMD_CG_SUPPORT_HDP_SD)))
 834                 return;
 835
 836         hdp_clk_cntl = hdp_clk_cntl1 = RREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL);
 837         hdp_mem_pwr_cntl = RREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL);
 838
 839         /* Before doing clock/power mode switch,
 840          * forced on IPH & RC clock */
 841         hdp_clk_cntl = REG_SET_FIELD(hdp_clk_cntl, HDP_CLK_CNTL,
 842                                      IPH_MEM_CLK_SOFT_OVERRIDE, 1);
 843         hdp_clk_cntl = REG_SET_FIELD(hdp_clk_cntl, HDP_CLK_CNTL,
 844                                      RC_MEM_CLK_SOFT_OVERRIDE, 1);
 845         WREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL, hdp_clk_cntl);
 846
 847         /* HDP 5.0 doesn't support dynamic power mode switch,
 848          * disable clock and power gating before any changing */
 849         hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
 850                                          IPH_MEM_POWER_CTRL_EN, 0);
 851         hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
 852                                          IPH_MEM_POWER_LS_EN, 0);
 853         hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
 854                                          IPH_MEM_POWER_DS_EN, 0);
 855         hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
 856                                          IPH_MEM_POWER_SD_EN, 0);
 857         hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
 858                                          RC_MEM_POWER_CTRL_EN, 0);
 859         hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
 860                                          RC_MEM_POWER_LS_EN, 0);
 861         hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
 862                                          RC_MEM_POWER_DS_EN, 0);
 863         hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
 864                                          RC_MEM_POWER_SD_EN, 0);
 865         WREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL, hdp_mem_pwr_cntl);
 866
 867         /* only one clock gating mode (LS/DS/SD) can be enabled */
 868         if (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS) {
 869                 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
 870                                                  HDP_MEM_POWER_CTRL,
 871                                                  IPH_MEM_POWER_LS_EN, enable);
 872                 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
 873                                                  HDP_MEM_POWER_CTRL,
 874                                                  RC_MEM_POWER_LS_EN, enable);
 875         } else if (adev->cg_flags & AMD_CG_SUPPORT_HDP_DS) {
 876                 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
 877                                                  HDP_MEM_POWER_CTRL,
 878                                                  IPH_MEM_POWER_DS_EN, enable);
 879                 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
 880                                                  HDP_MEM_POWER_CTRL,
 881                                                  RC_MEM_POWER_DS_EN, enable);
 882         } else if (adev->cg_flags & AMD_CG_SUPPORT_HDP_SD) {
 883                 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
 884                                                  HDP_MEM_POWER_CTRL,
 885                                                  IPH_MEM_POWER_SD_EN, enable);
 886                 /* RC should not use shut down mode, fallback to ds */
 887                 hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
 888                                                  HDP_MEM_POWER_CTRL,
 889                                                  RC_MEM_POWER_DS_EN, enable);
 890         }
 891
 892         WREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL, hdp_mem_pwr_cntl);
 893
 894         /* restore IPH & RC clock override after clock/power mode changing */
 895         WREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL, hdp_clk_cntl1);
 896 }
 897
 898 static void nv_update_hdp_clock_gating(struct amdgpu_device *adev,
 899                                        bool enable)
 900 {
 901         uint32_t hdp_clk_cntl;
 902
 903         if (!(adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG))
 904                 return;
 905
 906         hdp_clk_cntl = RREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL);
 907
 908         if (enable) {
 909                 hdp_clk_cntl &=
 910                         ~(uint32_t)
 911                           (HDP_CLK_CNTL__IPH_MEM_CLK_SOFT_OVERRIDE_MASK |
 912                            HDP_CLK_CNTL__RC_MEM_CLK_SOFT_OVERRIDE_MASK |
 913                            HDP_CLK_CNTL__DBUS_CLK_SOFT_OVERRIDE_MASK |
 914                            HDP_CLK_CNTL__DYN_CLK_SOFT_OVERRIDE_MASK |
 915                            HDP_CLK_CNTL__XDP_REG_CLK_SOFT_OVERRIDE_MASK |
 916                            HDP_CLK_CNTL__HDP_REG_CLK_SOFT_OVERRIDE_MASK);
 917         } else {
 918                 hdp_clk_cntl |= HDP_CLK_CNTL__IPH_MEM_CLK_SOFT_OVERRIDE_MASK |
 919                         HDP_CLK_CNTL__RC_MEM_CLK_SOFT_OVERRIDE_MASK |
 920                         HDP_CLK_CNTL__DBUS_CLK_SOFT_OVERRIDE_MASK |
 921                         HDP_CLK_CNTL__DYN_CLK_SOFT_OVERRIDE_MASK |
 922                         HDP_CLK_CNTL__XDP_REG_CLK_SOFT_OVERRIDE_MASK |
 923                         HDP_CLK_CNTL__HDP_REG_CLK_SOFT_OVERRIDE_MASK;
 924         }
 925
 926         WREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL, hdp_clk_cntl);
 927 }
 928
 929 static int nv_common_set_clockgating_state(void *handle,
 930                                            enum amd_clockgating_state state)
 931 {
 932         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 933
 934         if (amdgpu_sriov_vf(adev))
 935                 return 0;
 936
 937         switch (adev->asic_type) {
 938         case CHIP_NAVI10:
 939         case CHIP_NAVI14:
 940         case CHIP_NAVI12:
 941                 adev->nbio.funcs->update_medium_grain_clock_gating(adev,
 942                                 state == AMD_CG_STATE_GATE);
 943                 adev->nbio.funcs->update_medium_grain_light_sleep(adev,
 944                                 state == AMD_CG_STATE_GATE);
 945                 nv_update_hdp_mem_power_gating(adev,
 946                                    state == AMD_CG_STATE_GATE);
 947                 nv_update_hdp_clock_gating(adev,
 948                                 state == AMD_CG_STATE_GATE);
 949                 break;
 950         default:
 951                 break;
 952         }
 953         return 0;
 954 }
 955
 956 static int nv_common_set_powergating_state(void *handle,
 957                                            enum amd_powergating_state state)
 958 {
 959         /* TODO */
 960         return 0;
 961 }
 962
 963 static void nv_common_get_clockgating_state(void *handle, u32 *flags)
 964 {
 965         struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 966         uint32_t tmp;
 967
 968         if (amdgpu_sriov_vf(adev))
 969                 *flags = 0;
 970
 971         adev->nbio.funcs->get_clockgating_state(adev, flags);
 972
 973         /* AMD_CG_SUPPORT_HDP_MGCG */
 974         tmp = RREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL);
 975         if (!(tmp & (HDP_CLK_CNTL__IPH_MEM_CLK_SOFT_OVERRIDE_MASK |
 976                      HDP_CLK_CNTL__RC_MEM_CLK_SOFT_OVERRIDE_MASK |
 977                      HDP_CLK_CNTL__DBUS_CLK_SOFT_OVERRIDE_MASK |
 978                      HDP_CLK_CNTL__DYN_CLK_SOFT_OVERRIDE_MASK |
 979                      HDP_CLK_CNTL__XDP_REG_CLK_SOFT_OVERRIDE_MASK |
 980                      HDP_CLK_CNTL__HDP_REG_CLK_SOFT_OVERRIDE_MASK)))
 981                 *flags |= AMD_CG_SUPPORT_HDP_MGCG;
 982
 983         /* AMD_CG_SUPPORT_HDP_LS/DS/SD */
 984         tmp = RREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL);
 985         if (tmp & HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK)
 986                 *flags |= AMD_CG_SUPPORT_HDP_LS;
 987         else if (tmp & HDP_MEM_POWER_CTRL__IPH_MEM_POWER_DS_EN_MASK)
 988                 *flags |= AMD_CG_SUPPORT_HDP_DS;
 989         else if (tmp & HDP_MEM_POWER_CTRL__IPH_MEM_POWER_SD_EN_MASK)
 990                 *flags |= AMD_CG_SUPPORT_HDP_SD;
 991
 992         return;
 993 }
 994
 995 static const struct amd_ip_funcs nv_common_ip_funcs = {
 996         .name = "nv_common",
 997         .early_init = nv_common_early_init,
 998         .late_init = nv_common_late_init,
 999         .sw_init = nv_common_sw_init,
1000         .sw_fini = nv_common_sw_fini,
1001         .hw_init = nv_common_hw_init,
1002         .hw_fini = nv_common_hw_fini,
1003         .suspend = nv_common_suspend,
1004         .resume = nv_common_resume,
1005         .is_idle = nv_common_is_idle,
1006         .wait_for_idle = nv_common_wait_for_idle,
1007         .soft_reset = nv_common_soft_reset,
1008         .set_clockgating_state = nv_common_set_clockgating_state,
1009         .set_powergating_state = nv_common_set_powergating_state,
1010         .get_clockgating_state = nv_common_get_clockgating_state,
1011 };