linux/drivers/gpu/drm/amd/amdgpu/nv.c
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   1/*
   2 * Copyright 2019 Advanced Micro Devices, Inc.
   3 *
   4 * Permission is hereby granted, free of charge, to any person obtaining a
   5 * copy of this software and associated documentation files (the "Software"),
   6 * to deal in the Software without restriction, including without limitation
   7 * the rights to use, copy, modify, merge, publish, distribute, sublicense,
   8 * and/or sell copies of the Software, and to permit persons to whom the
   9 * Software is furnished to do so, subject to the following conditions:
  10 *
  11 * The above copyright notice and this permission notice shall be included in
  12 * all copies or substantial portions of the Software.
  13 *
  14 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
  15 * IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
  16 * FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT.  IN NO EVENT SHALL
  17 * THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
  18 * OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
  19 * ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
  20 * OTHER DEALINGS IN THE SOFTWARE.
  21 *
  22 */
  23#include <linux/firmware.h>
  24#include <linux/slab.h>
  25#include <linux/module.h>
  26#include <linux/pci.h>
  27
  28#include "amdgpu.h"
  29#include "amdgpu_atombios.h"
  30#include "amdgpu_ih.h"
  31#include "amdgpu_uvd.h"
  32#include "amdgpu_vce.h"
  33#include "amdgpu_ucode.h"
  34#include "amdgpu_psp.h"
  35#include "amdgpu_smu.h"
  36#include "atom.h"
  37#include "amd_pcie.h"
  38
  39#include "gc/gc_10_1_0_offset.h"
  40#include "gc/gc_10_1_0_sh_mask.h"
  41#include "hdp/hdp_5_0_0_offset.h"
  42#include "hdp/hdp_5_0_0_sh_mask.h"
  43
  44#include "soc15.h"
  45#include "soc15_common.h"
  46#include "gmc_v10_0.h"
  47#include "gfxhub_v2_0.h"
  48#include "mmhub_v2_0.h"
  49#include "nv.h"
  50#include "navi10_ih.h"
  51#include "gfx_v10_0.h"
  52#include "sdma_v5_0.h"
  53#include "vcn_v2_0.h"
  54#include "dce_virtual.h"
  55#include "mes_v10_1.h"
  56
  57static const struct amd_ip_funcs nv_common_ip_funcs;
  58
  59/*
  60 * Indirect registers accessor
  61 */
  62static u32 nv_pcie_rreg(struct amdgpu_device *adev, u32 reg)
  63{
  64        unsigned long flags, address, data;
  65        u32 r;
  66        address = adev->nbio_funcs->get_pcie_index_offset(adev);
  67        data = adev->nbio_funcs->get_pcie_data_offset(adev);
  68
  69        spin_lock_irqsave(&adev->pcie_idx_lock, flags);
  70        WREG32(address, reg);
  71        (void)RREG32(address);
  72        r = RREG32(data);
  73        spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
  74        return r;
  75}
  76
  77static void nv_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
  78{
  79        unsigned long flags, address, data;
  80
  81        address = adev->nbio_funcs->get_pcie_index_offset(adev);
  82        data = adev->nbio_funcs->get_pcie_data_offset(adev);
  83
  84        spin_lock_irqsave(&adev->pcie_idx_lock, flags);
  85        WREG32(address, reg);
  86        (void)RREG32(address);
  87        WREG32(data, v);
  88        (void)RREG32(data);
  89        spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
  90}
  91
  92static u32 nv_didt_rreg(struct amdgpu_device *adev, u32 reg)
  93{
  94        unsigned long flags, address, data;
  95        u32 r;
  96
  97        address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
  98        data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
  99
 100        spin_lock_irqsave(&adev->didt_idx_lock, flags);
 101        WREG32(address, (reg));
 102        r = RREG32(data);
 103        spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
 104        return r;
 105}
 106
 107static void nv_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 108{
 109        unsigned long flags, address, data;
 110
 111        address = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_INDEX);
 112        data = SOC15_REG_OFFSET(GC, 0, mmDIDT_IND_DATA);
 113
 114        spin_lock_irqsave(&adev->didt_idx_lock, flags);
 115        WREG32(address, (reg));
 116        WREG32(data, (v));
 117        spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
 118}
 119
 120static u32 nv_get_config_memsize(struct amdgpu_device *adev)
 121{
 122        return adev->nbio_funcs->get_memsize(adev);
 123}
 124
 125static u32 nv_get_xclk(struct amdgpu_device *adev)
 126{
 127        return adev->clock.spll.reference_freq;
 128}
 129
 130
 131void nv_grbm_select(struct amdgpu_device *adev,
 132                     u32 me, u32 pipe, u32 queue, u32 vmid)
 133{
 134        u32 grbm_gfx_cntl = 0;
 135        grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, PIPEID, pipe);
 136        grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, MEID, me);
 137        grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, VMID, vmid);
 138        grbm_gfx_cntl = REG_SET_FIELD(grbm_gfx_cntl, GRBM_GFX_CNTL, QUEUEID, queue);
 139
 140        WREG32(SOC15_REG_OFFSET(GC, 0, mmGRBM_GFX_CNTL), grbm_gfx_cntl);
 141}
 142
 143static void nv_vga_set_state(struct amdgpu_device *adev, bool state)
 144{
 145        /* todo */
 146}
 147
 148static bool nv_read_disabled_bios(struct amdgpu_device *adev)
 149{
 150        /* todo */
 151        return false;
 152}
 153
 154static bool nv_read_bios_from_rom(struct amdgpu_device *adev,
 155                                  u8 *bios, u32 length_bytes)
 156{
 157        /* TODO: will implement it when SMU header is available */
 158        return false;
 159}
 160
 161static struct soc15_allowed_register_entry nv_allowed_read_registers[] = {
 162        { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS)},
 163        { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS2)},
 164        { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE0)},
 165        { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE1)},
 166        { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE2)},
 167        { SOC15_REG_ENTRY(GC, 0, mmGRBM_STATUS_SE3)},
 168#if 0   /* TODO: will set it when SDMA header is available */
 169        { SOC15_REG_ENTRY(SDMA0, 0, mmSDMA0_STATUS_REG)},
 170        { SOC15_REG_ENTRY(SDMA1, 0, mmSDMA1_STATUS_REG)},
 171#endif
 172        { SOC15_REG_ENTRY(GC, 0, mmCP_STAT)},
 173        { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT1)},
 174        { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT2)},
 175        { SOC15_REG_ENTRY(GC, 0, mmCP_STALLED_STAT3)},
 176        { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_BUSY_STAT)},
 177        { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STALLED_STAT1)},
 178        { SOC15_REG_ENTRY(GC, 0, mmCP_CPF_STATUS)},
 179        { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STALLED_STAT1)},
 180        { SOC15_REG_ENTRY(GC, 0, mmCP_CPC_STATUS)},
 181        { SOC15_REG_ENTRY(GC, 0, mmGB_ADDR_CONFIG)},
 182};
 183
 184static uint32_t nv_read_indexed_register(struct amdgpu_device *adev, u32 se_num,
 185                                         u32 sh_num, u32 reg_offset)
 186{
 187        uint32_t val;
 188
 189        mutex_lock(&adev->grbm_idx_mutex);
 190        if (se_num != 0xffffffff || sh_num != 0xffffffff)
 191                amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff);
 192
 193        val = RREG32(reg_offset);
 194
 195        if (se_num != 0xffffffff || sh_num != 0xffffffff)
 196                amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
 197        mutex_unlock(&adev->grbm_idx_mutex);
 198        return val;
 199}
 200
 201static uint32_t nv_get_register_value(struct amdgpu_device *adev,
 202                                      bool indexed, u32 se_num,
 203                                      u32 sh_num, u32 reg_offset)
 204{
 205        if (indexed) {
 206                return nv_read_indexed_register(adev, se_num, sh_num, reg_offset);
 207        } else {
 208                if (reg_offset == SOC15_REG_OFFSET(GC, 0, mmGB_ADDR_CONFIG))
 209                        return adev->gfx.config.gb_addr_config;
 210                return RREG32(reg_offset);
 211        }
 212}
 213
 214static int nv_read_register(struct amdgpu_device *adev, u32 se_num,
 215                            u32 sh_num, u32 reg_offset, u32 *value)
 216{
 217        uint32_t i;
 218        struct soc15_allowed_register_entry  *en;
 219
 220        *value = 0;
 221        for (i = 0; i < ARRAY_SIZE(nv_allowed_read_registers); i++) {
 222                en = &nv_allowed_read_registers[i];
 223                if (reg_offset !=
 224                    (adev->reg_offset[en->hwip][en->inst][en->seg] + en->reg_offset))
 225                        continue;
 226
 227                *value = nv_get_register_value(adev,
 228                                               nv_allowed_read_registers[i].grbm_indexed,
 229                                               se_num, sh_num, reg_offset);
 230                return 0;
 231        }
 232        return -EINVAL;
 233}
 234
 235#if 0
 236static void nv_gpu_pci_config_reset(struct amdgpu_device *adev)
 237{
 238        u32 i;
 239
 240        dev_info(adev->dev, "GPU pci config reset\n");
 241
 242        /* disable BM */
 243        pci_clear_master(adev->pdev);
 244        /* reset */
 245        amdgpu_pci_config_reset(adev);
 246
 247        udelay(100);
 248
 249        /* wait for asic to come out of reset */
 250        for (i = 0; i < adev->usec_timeout; i++) {
 251                u32 memsize = nbio_v2_3_get_memsize(adev);
 252                if (memsize != 0xffffffff)
 253                        break;
 254                udelay(1);
 255        }
 256
 257}
 258#endif
 259
 260static int nv_asic_mode1_reset(struct amdgpu_device *adev)
 261{
 262        u32 i;
 263        int ret = 0;
 264
 265        amdgpu_atombios_scratch_regs_engine_hung(adev, true);
 266
 267        dev_info(adev->dev, "GPU mode1 reset\n");
 268
 269        /* disable BM */
 270        pci_clear_master(adev->pdev);
 271
 272        pci_save_state(adev->pdev);
 273
 274        ret = psp_gpu_reset(adev);
 275        if (ret)
 276                dev_err(adev->dev, "GPU mode1 reset failed\n");
 277
 278        pci_restore_state(adev->pdev);
 279
 280        /* wait for asic to come out of reset */
 281        for (i = 0; i < adev->usec_timeout; i++) {
 282                u32 memsize = adev->nbio_funcs->get_memsize(adev);
 283
 284                if (memsize != 0xffffffff)
 285                        break;
 286                udelay(1);
 287        }
 288
 289        amdgpu_atombios_scratch_regs_engine_hung(adev, false);
 290
 291        return ret;
 292}
 293
 294static enum amd_reset_method
 295nv_asic_reset_method(struct amdgpu_device *adev)
 296{
 297        struct smu_context *smu = &adev->smu;
 298
 299        if (smu_baco_is_support(smu))
 300                return AMD_RESET_METHOD_BACO;
 301        else
 302                return AMD_RESET_METHOD_MODE1;
 303}
 304
 305static int nv_asic_reset(struct amdgpu_device *adev)
 306{
 307
 308        /* FIXME: it doesn't work since vega10 */
 309#if 0
 310        amdgpu_atombios_scratch_regs_engine_hung(adev, true);
 311
 312        nv_gpu_pci_config_reset(adev);
 313
 314        amdgpu_atombios_scratch_regs_engine_hung(adev, false);
 315#endif
 316        int ret = 0;
 317        struct smu_context *smu = &adev->smu;
 318
 319        if (nv_asic_reset_method(adev) == AMD_RESET_METHOD_BACO) {
 320                if (!adev->in_suspend)
 321                        amdgpu_inc_vram_lost(adev);
 322                ret = smu_baco_reset(smu);
 323        } else {
 324                if (!adev->in_suspend)
 325                        amdgpu_inc_vram_lost(adev);
 326                ret = nv_asic_mode1_reset(adev);
 327        }
 328
 329        return ret;
 330}
 331
 332static int nv_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
 333{
 334        /* todo */
 335        return 0;
 336}
 337
 338static int nv_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
 339{
 340        /* todo */
 341        return 0;
 342}
 343
 344static void nv_pcie_gen3_enable(struct amdgpu_device *adev)
 345{
 346        if (pci_is_root_bus(adev->pdev->bus))
 347                return;
 348
 349        if (amdgpu_pcie_gen2 == 0)
 350                return;
 351
 352        if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
 353                                        CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
 354                return;
 355
 356        /* todo */
 357}
 358
 359static void nv_program_aspm(struct amdgpu_device *adev)
 360{
 361
 362        if (amdgpu_aspm == 0)
 363                return;
 364
 365        /* todo */
 366}
 367
 368static void nv_enable_doorbell_aperture(struct amdgpu_device *adev,
 369                                        bool enable)
 370{
 371        adev->nbio_funcs->enable_doorbell_aperture(adev, enable);
 372        adev->nbio_funcs->enable_doorbell_selfring_aperture(adev, enable);
 373}
 374
 375static const struct amdgpu_ip_block_version nv_common_ip_block =
 376{
 377        .type = AMD_IP_BLOCK_TYPE_COMMON,
 378        .major = 1,
 379        .minor = 0,
 380        .rev = 0,
 381        .funcs = &nv_common_ip_funcs,
 382};
 383
 384static int nv_reg_base_init(struct amdgpu_device *adev)
 385{
 386        int r;
 387
 388        if (amdgpu_discovery) {
 389                r = amdgpu_discovery_reg_base_init(adev);
 390                if (r) {
 391                        DRM_WARN("failed to init reg base from ip discovery table, "
 392                                        "fallback to legacy init method\n");
 393                        goto legacy_init;
 394                }
 395
 396                return 0;
 397        }
 398
 399legacy_init:
 400        switch (adev->asic_type) {
 401        case CHIP_NAVI10:
 402                navi10_reg_base_init(adev);
 403                break;
 404        case CHIP_NAVI14:
 405                navi14_reg_base_init(adev);
 406                break;
 407        case CHIP_NAVI12:
 408                navi12_reg_base_init(adev);
 409                break;
 410        default:
 411                return -EINVAL;
 412        }
 413
 414        return 0;
 415}
 416
 417int nv_set_ip_blocks(struct amdgpu_device *adev)
 418{
 419        int r;
 420
 421        /* Set IP register base before any HW register access */
 422        r = nv_reg_base_init(adev);
 423        if (r)
 424                return r;
 425
 426        adev->nbio_funcs = &nbio_v2_3_funcs;
 427
 428        adev->nbio_funcs->detect_hw_virt(adev);
 429
 430        switch (adev->asic_type) {
 431        case CHIP_NAVI10:
 432        case CHIP_NAVI14:
 433                amdgpu_device_ip_block_add(adev, &nv_common_ip_block);
 434                amdgpu_device_ip_block_add(adev, &gmc_v10_0_ip_block);
 435                amdgpu_device_ip_block_add(adev, &navi10_ih_ip_block);
 436                amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
 437                if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP &&
 438                    is_support_sw_smu(adev))
 439                        amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
 440                if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
 441                        amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
 442#if defined(CONFIG_DRM_AMD_DC)
 443                else if (amdgpu_device_has_dc_support(adev))
 444                        amdgpu_device_ip_block_add(adev, &dm_ip_block);
 445#endif
 446                amdgpu_device_ip_block_add(adev, &gfx_v10_0_ip_block);
 447                amdgpu_device_ip_block_add(adev, &sdma_v5_0_ip_block);
 448                if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT &&
 449                    is_support_sw_smu(adev))
 450                        amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
 451                amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
 452                if (adev->enable_mes)
 453                        amdgpu_device_ip_block_add(adev, &mes_v10_1_ip_block);
 454                break;
 455        case CHIP_NAVI12:
 456                amdgpu_device_ip_block_add(adev, &nv_common_ip_block);
 457                amdgpu_device_ip_block_add(adev, &gmc_v10_0_ip_block);
 458                amdgpu_device_ip_block_add(adev, &navi10_ih_ip_block);
 459                amdgpu_device_ip_block_add(adev, &psp_v11_0_ip_block);
 460                if (adev->firmware.load_type == AMDGPU_FW_LOAD_PSP &&
 461                    is_support_sw_smu(adev))
 462                        amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
 463                if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
 464                        amdgpu_device_ip_block_add(adev, &dce_virtual_ip_block);
 465#if defined(CONFIG_DRM_AMD_DC)
 466                else if (amdgpu_device_has_dc_support(adev))
 467                        amdgpu_device_ip_block_add(adev, &dm_ip_block);
 468#endif
 469                amdgpu_device_ip_block_add(adev, &gfx_v10_0_ip_block);
 470                amdgpu_device_ip_block_add(adev, &sdma_v5_0_ip_block);
 471                if (adev->firmware.load_type == AMDGPU_FW_LOAD_DIRECT &&
 472                    is_support_sw_smu(adev))
 473                        amdgpu_device_ip_block_add(adev, &smu_v11_0_ip_block);
 474                amdgpu_device_ip_block_add(adev, &vcn_v2_0_ip_block);
 475                break;
 476        default:
 477                return -EINVAL;
 478        }
 479
 480        return 0;
 481}
 482
 483static uint32_t nv_get_rev_id(struct amdgpu_device *adev)
 484{
 485        return adev->nbio_funcs->get_rev_id(adev);
 486}
 487
 488static void nv_flush_hdp(struct amdgpu_device *adev, struct amdgpu_ring *ring)
 489{
 490        adev->nbio_funcs->hdp_flush(adev, ring);
 491}
 492
 493static void nv_invalidate_hdp(struct amdgpu_device *adev,
 494                                struct amdgpu_ring *ring)
 495{
 496        if (!ring || !ring->funcs->emit_wreg) {
 497                WREG32_SOC15_NO_KIQ(NBIO, 0, mmHDP_READ_CACHE_INVALIDATE, 1);
 498        } else {
 499                amdgpu_ring_emit_wreg(ring, SOC15_REG_OFFSET(
 500                                        HDP, 0, mmHDP_READ_CACHE_INVALIDATE), 1);
 501        }
 502}
 503
 504static bool nv_need_full_reset(struct amdgpu_device *adev)
 505{
 506        return true;
 507}
 508
 509static void nv_get_pcie_usage(struct amdgpu_device *adev,
 510                              uint64_t *count0,
 511                              uint64_t *count1)
 512{
 513        /*TODO*/
 514}
 515
 516static bool nv_need_reset_on_init(struct amdgpu_device *adev)
 517{
 518#if 0
 519        u32 sol_reg;
 520
 521        if (adev->flags & AMD_IS_APU)
 522                return false;
 523
 524        /* Check sOS sign of life register to confirm sys driver and sOS
 525         * are already been loaded.
 526         */
 527        sol_reg = RREG32_SOC15(MP0, 0, mmMP0_SMN_C2PMSG_81);
 528        if (sol_reg)
 529                return true;
 530#endif
 531        /* TODO: re-enable it when mode1 reset is functional */
 532        return false;
 533}
 534
 535static void nv_init_doorbell_index(struct amdgpu_device *adev)
 536{
 537        adev->doorbell_index.kiq = AMDGPU_NAVI10_DOORBELL_KIQ;
 538        adev->doorbell_index.mec_ring0 = AMDGPU_NAVI10_DOORBELL_MEC_RING0;
 539        adev->doorbell_index.mec_ring1 = AMDGPU_NAVI10_DOORBELL_MEC_RING1;
 540        adev->doorbell_index.mec_ring2 = AMDGPU_NAVI10_DOORBELL_MEC_RING2;
 541        adev->doorbell_index.mec_ring3 = AMDGPU_NAVI10_DOORBELL_MEC_RING3;
 542        adev->doorbell_index.mec_ring4 = AMDGPU_NAVI10_DOORBELL_MEC_RING4;
 543        adev->doorbell_index.mec_ring5 = AMDGPU_NAVI10_DOORBELL_MEC_RING5;
 544        adev->doorbell_index.mec_ring6 = AMDGPU_NAVI10_DOORBELL_MEC_RING6;
 545        adev->doorbell_index.mec_ring7 = AMDGPU_NAVI10_DOORBELL_MEC_RING7;
 546        adev->doorbell_index.userqueue_start = AMDGPU_NAVI10_DOORBELL_USERQUEUE_START;
 547        adev->doorbell_index.userqueue_end = AMDGPU_NAVI10_DOORBELL_USERQUEUE_END;
 548        adev->doorbell_index.gfx_ring0 = AMDGPU_NAVI10_DOORBELL_GFX_RING0;
 549        adev->doorbell_index.gfx_ring1 = AMDGPU_NAVI10_DOORBELL_GFX_RING1;
 550        adev->doorbell_index.sdma_engine[0] = AMDGPU_NAVI10_DOORBELL_sDMA_ENGINE0;
 551        adev->doorbell_index.sdma_engine[1] = AMDGPU_NAVI10_DOORBELL_sDMA_ENGINE1;
 552        adev->doorbell_index.ih = AMDGPU_NAVI10_DOORBELL_IH;
 553        adev->doorbell_index.vcn.vcn_ring0_1 = AMDGPU_NAVI10_DOORBELL64_VCN0_1;
 554        adev->doorbell_index.vcn.vcn_ring2_3 = AMDGPU_NAVI10_DOORBELL64_VCN2_3;
 555        adev->doorbell_index.vcn.vcn_ring4_5 = AMDGPU_NAVI10_DOORBELL64_VCN4_5;
 556        adev->doorbell_index.vcn.vcn_ring6_7 = AMDGPU_NAVI10_DOORBELL64_VCN6_7;
 557        adev->doorbell_index.first_non_cp = AMDGPU_NAVI10_DOORBELL64_FIRST_NON_CP;
 558        adev->doorbell_index.last_non_cp = AMDGPU_NAVI10_DOORBELL64_LAST_NON_CP;
 559
 560        adev->doorbell_index.max_assignment = AMDGPU_NAVI10_DOORBELL_MAX_ASSIGNMENT << 1;
 561        adev->doorbell_index.sdma_doorbell_range = 20;
 562}
 563
 564static const struct amdgpu_asic_funcs nv_asic_funcs =
 565{
 566        .read_disabled_bios = &nv_read_disabled_bios,
 567        .read_bios_from_rom = &nv_read_bios_from_rom,
 568        .read_register = &nv_read_register,
 569        .reset = &nv_asic_reset,
 570        .reset_method = &nv_asic_reset_method,
 571        .set_vga_state = &nv_vga_set_state,
 572        .get_xclk = &nv_get_xclk,
 573        .set_uvd_clocks = &nv_set_uvd_clocks,
 574        .set_vce_clocks = &nv_set_vce_clocks,
 575        .get_config_memsize = &nv_get_config_memsize,
 576        .flush_hdp = &nv_flush_hdp,
 577        .invalidate_hdp = &nv_invalidate_hdp,
 578        .init_doorbell_index = &nv_init_doorbell_index,
 579        .need_full_reset = &nv_need_full_reset,
 580        .get_pcie_usage = &nv_get_pcie_usage,
 581        .need_reset_on_init = &nv_need_reset_on_init,
 582};
 583
 584static int nv_common_early_init(void *handle)
 585{
 586        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 587
 588        adev->smc_rreg = NULL;
 589        adev->smc_wreg = NULL;
 590        adev->pcie_rreg = &nv_pcie_rreg;
 591        adev->pcie_wreg = &nv_pcie_wreg;
 592
 593        /* TODO: will add them during VCN v2 implementation */
 594        adev->uvd_ctx_rreg = NULL;
 595        adev->uvd_ctx_wreg = NULL;
 596
 597        adev->didt_rreg = &nv_didt_rreg;
 598        adev->didt_wreg = &nv_didt_wreg;
 599
 600        adev->asic_funcs = &nv_asic_funcs;
 601
 602        adev->rev_id = nv_get_rev_id(adev);
 603        adev->external_rev_id = 0xff;
 604        switch (adev->asic_type) {
 605        case CHIP_NAVI10:
 606                adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 607                        AMD_CG_SUPPORT_GFX_CGCG |
 608                        AMD_CG_SUPPORT_IH_CG |
 609                        AMD_CG_SUPPORT_HDP_MGCG |
 610                        AMD_CG_SUPPORT_HDP_LS |
 611                        AMD_CG_SUPPORT_SDMA_MGCG |
 612                        AMD_CG_SUPPORT_SDMA_LS |
 613                        AMD_CG_SUPPORT_MC_MGCG |
 614                        AMD_CG_SUPPORT_MC_LS |
 615                        AMD_CG_SUPPORT_ATHUB_MGCG |
 616                        AMD_CG_SUPPORT_ATHUB_LS |
 617                        AMD_CG_SUPPORT_VCN_MGCG |
 618                        AMD_CG_SUPPORT_BIF_MGCG |
 619                        AMD_CG_SUPPORT_BIF_LS;
 620                adev->pg_flags = AMD_PG_SUPPORT_VCN |
 621                        AMD_PG_SUPPORT_VCN_DPG |
 622                        AMD_PG_SUPPORT_ATHUB;
 623                adev->external_rev_id = adev->rev_id + 0x1;
 624                break;
 625        case CHIP_NAVI14:
 626                adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 627                        AMD_CG_SUPPORT_GFX_CGCG |
 628                        AMD_CG_SUPPORT_IH_CG |
 629                        AMD_CG_SUPPORT_HDP_MGCG |
 630                        AMD_CG_SUPPORT_HDP_LS |
 631                        AMD_CG_SUPPORT_SDMA_MGCG |
 632                        AMD_CG_SUPPORT_SDMA_LS |
 633                        AMD_CG_SUPPORT_MC_MGCG |
 634                        AMD_CG_SUPPORT_MC_LS |
 635                        AMD_CG_SUPPORT_ATHUB_MGCG |
 636                        AMD_CG_SUPPORT_ATHUB_LS |
 637                        AMD_CG_SUPPORT_VCN_MGCG |
 638                        AMD_CG_SUPPORT_BIF_MGCG |
 639                        AMD_CG_SUPPORT_BIF_LS;
 640                adev->pg_flags = AMD_PG_SUPPORT_VCN |
 641                        AMD_PG_SUPPORT_VCN_DPG;
 642                adev->external_rev_id = adev->rev_id + 20;
 643                break;
 644        case CHIP_NAVI12:
 645                adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 646                        AMD_CG_SUPPORT_GFX_MGLS |
 647                        AMD_CG_SUPPORT_GFX_CGCG |
 648                        AMD_CG_SUPPORT_GFX_CP_LS |
 649                        AMD_CG_SUPPORT_GFX_RLC_LS |
 650                        AMD_CG_SUPPORT_IH_CG |
 651                        AMD_CG_SUPPORT_HDP_MGCG |
 652                        AMD_CG_SUPPORT_HDP_LS |
 653                        AMD_CG_SUPPORT_SDMA_MGCG |
 654                        AMD_CG_SUPPORT_SDMA_LS |
 655                        AMD_CG_SUPPORT_MC_MGCG |
 656                        AMD_CG_SUPPORT_MC_LS |
 657                        AMD_CG_SUPPORT_ATHUB_MGCG |
 658                        AMD_CG_SUPPORT_ATHUB_LS |
 659                        AMD_CG_SUPPORT_VCN_MGCG;
 660                adev->pg_flags = AMD_PG_SUPPORT_VCN |
 661                        AMD_PG_SUPPORT_VCN_DPG |
 662                        AMD_PG_SUPPORT_ATHUB;
 663                adev->external_rev_id = adev->rev_id + 0xa;
 664                break;
 665        default:
 666                /* FIXME: not supported yet */
 667                return -EINVAL;
 668        }
 669
 670        return 0;
 671}
 672
 673static int nv_common_late_init(void *handle)
 674{
 675        return 0;
 676}
 677
 678static int nv_common_sw_init(void *handle)
 679{
 680        return 0;
 681}
 682
 683static int nv_common_sw_fini(void *handle)
 684{
 685        return 0;
 686}
 687
 688static int nv_common_hw_init(void *handle)
 689{
 690        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 691
 692        /* enable pcie gen2/3 link */
 693        nv_pcie_gen3_enable(adev);
 694        /* enable aspm */
 695        nv_program_aspm(adev);
 696        /* setup nbio registers */
 697        adev->nbio_funcs->init_registers(adev);
 698        /* enable the doorbell aperture */
 699        nv_enable_doorbell_aperture(adev, true);
 700
 701        return 0;
 702}
 703
 704static int nv_common_hw_fini(void *handle)
 705{
 706        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 707
 708        /* disable the doorbell aperture */
 709        nv_enable_doorbell_aperture(adev, false);
 710
 711        return 0;
 712}
 713
 714static int nv_common_suspend(void *handle)
 715{
 716        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 717
 718        return nv_common_hw_fini(adev);
 719}
 720
 721static int nv_common_resume(void *handle)
 722{
 723        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 724
 725        return nv_common_hw_init(adev);
 726}
 727
 728static bool nv_common_is_idle(void *handle)
 729{
 730        return true;
 731}
 732
 733static int nv_common_wait_for_idle(void *handle)
 734{
 735        return 0;
 736}
 737
 738static int nv_common_soft_reset(void *handle)
 739{
 740        return 0;
 741}
 742
 743static void nv_update_hdp_mem_power_gating(struct amdgpu_device *adev,
 744                                           bool enable)
 745{
 746        uint32_t hdp_clk_cntl, hdp_clk_cntl1;
 747        uint32_t hdp_mem_pwr_cntl;
 748
 749        if (!(adev->cg_flags & (AMD_CG_SUPPORT_HDP_LS |
 750                                AMD_CG_SUPPORT_HDP_DS |
 751                                AMD_CG_SUPPORT_HDP_SD)))
 752                return;
 753
 754        hdp_clk_cntl = hdp_clk_cntl1 = RREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL);
 755        hdp_mem_pwr_cntl = RREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL);
 756
 757        /* Before doing clock/power mode switch,
 758         * forced on IPH & RC clock */
 759        hdp_clk_cntl = REG_SET_FIELD(hdp_clk_cntl, HDP_CLK_CNTL,
 760                                     IPH_MEM_CLK_SOFT_OVERRIDE, 1);
 761        hdp_clk_cntl = REG_SET_FIELD(hdp_clk_cntl, HDP_CLK_CNTL,
 762                                     RC_MEM_CLK_SOFT_OVERRIDE, 1);
 763        WREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL, hdp_clk_cntl);
 764
 765        /* HDP 5.0 doesn't support dynamic power mode switch,
 766         * disable clock and power gating before any changing */
 767        hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
 768                                         IPH_MEM_POWER_CTRL_EN, 0);
 769        hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
 770                                         IPH_MEM_POWER_LS_EN, 0);
 771        hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
 772                                         IPH_MEM_POWER_DS_EN, 0);
 773        hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
 774                                         IPH_MEM_POWER_SD_EN, 0);
 775        hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
 776                                         RC_MEM_POWER_CTRL_EN, 0);
 777        hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
 778                                         RC_MEM_POWER_LS_EN, 0);
 779        hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
 780                                         RC_MEM_POWER_DS_EN, 0);
 781        hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl, HDP_MEM_POWER_CTRL,
 782                                         RC_MEM_POWER_SD_EN, 0);
 783        WREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL, hdp_mem_pwr_cntl);
 784
 785        /* only one clock gating mode (LS/DS/SD) can be enabled */
 786        if (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS) {
 787                hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
 788                                                 HDP_MEM_POWER_CTRL,
 789                                                 IPH_MEM_POWER_LS_EN, enable);
 790                hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
 791                                                 HDP_MEM_POWER_CTRL,
 792                                                 RC_MEM_POWER_LS_EN, enable);
 793        } else if (adev->cg_flags & AMD_CG_SUPPORT_HDP_DS) {
 794                hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
 795                                                 HDP_MEM_POWER_CTRL,
 796                                                 IPH_MEM_POWER_DS_EN, enable);
 797                hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
 798                                                 HDP_MEM_POWER_CTRL,
 799                                                 RC_MEM_POWER_DS_EN, enable);
 800        } else if (adev->cg_flags & AMD_CG_SUPPORT_HDP_SD) {
 801                hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
 802                                                 HDP_MEM_POWER_CTRL,
 803                                                 IPH_MEM_POWER_SD_EN, enable);
 804                /* RC should not use shut down mode, fallback to ds */
 805                hdp_mem_pwr_cntl = REG_SET_FIELD(hdp_mem_pwr_cntl,
 806                                                 HDP_MEM_POWER_CTRL,
 807                                                 RC_MEM_POWER_DS_EN, enable);
 808        }
 809
 810        WREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL, hdp_mem_pwr_cntl);
 811
 812        /* restore IPH & RC clock override after clock/power mode changing */
 813        WREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL, hdp_clk_cntl1);
 814}
 815
 816static void nv_update_hdp_clock_gating(struct amdgpu_device *adev,
 817                                       bool enable)
 818{
 819        uint32_t hdp_clk_cntl;
 820
 821        if (!(adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG))
 822                return;
 823
 824        hdp_clk_cntl = RREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL);
 825
 826        if (enable) {
 827                hdp_clk_cntl &=
 828                        ~(uint32_t)
 829                          (HDP_CLK_CNTL__IPH_MEM_CLK_SOFT_OVERRIDE_MASK |
 830                           HDP_CLK_CNTL__RC_MEM_CLK_SOFT_OVERRIDE_MASK |
 831                           HDP_CLK_CNTL__DBUS_CLK_SOFT_OVERRIDE_MASK |
 832                           HDP_CLK_CNTL__DYN_CLK_SOFT_OVERRIDE_MASK |
 833                           HDP_CLK_CNTL__XDP_REG_CLK_SOFT_OVERRIDE_MASK |
 834                           HDP_CLK_CNTL__HDP_REG_CLK_SOFT_OVERRIDE_MASK);
 835        } else {
 836                hdp_clk_cntl |= HDP_CLK_CNTL__IPH_MEM_CLK_SOFT_OVERRIDE_MASK |
 837                        HDP_CLK_CNTL__RC_MEM_CLK_SOFT_OVERRIDE_MASK |
 838                        HDP_CLK_CNTL__DBUS_CLK_SOFT_OVERRIDE_MASK |
 839                        HDP_CLK_CNTL__DYN_CLK_SOFT_OVERRIDE_MASK |
 840                        HDP_CLK_CNTL__XDP_REG_CLK_SOFT_OVERRIDE_MASK |
 841                        HDP_CLK_CNTL__HDP_REG_CLK_SOFT_OVERRIDE_MASK;
 842        }
 843
 844        WREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL, hdp_clk_cntl);
 845}
 846
 847static int nv_common_set_clockgating_state(void *handle,
 848                                           enum amd_clockgating_state state)
 849{
 850        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 851
 852        if (amdgpu_sriov_vf(adev))
 853                return 0;
 854
 855        switch (adev->asic_type) {
 856        case CHIP_NAVI10:
 857        case CHIP_NAVI14:
 858        case CHIP_NAVI12:
 859                adev->nbio_funcs->update_medium_grain_clock_gating(adev,
 860                                state == AMD_CG_STATE_GATE ? true : false);
 861                adev->nbio_funcs->update_medium_grain_light_sleep(adev,
 862                                state == AMD_CG_STATE_GATE ? true : false);
 863                nv_update_hdp_mem_power_gating(adev,
 864                                   state == AMD_CG_STATE_GATE ? true : false);
 865                nv_update_hdp_clock_gating(adev,
 866                                state == AMD_CG_STATE_GATE ? true : false);
 867                break;
 868        default:
 869                break;
 870        }
 871        return 0;
 872}
 873
 874static int nv_common_set_powergating_state(void *handle,
 875                                           enum amd_powergating_state state)
 876{
 877        /* TODO */
 878        return 0;
 879}
 880
 881static void nv_common_get_clockgating_state(void *handle, u32 *flags)
 882{
 883        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 884        uint32_t tmp;
 885
 886        if (amdgpu_sriov_vf(adev))
 887                *flags = 0;
 888
 889        adev->nbio_funcs->get_clockgating_state(adev, flags);
 890
 891        /* AMD_CG_SUPPORT_HDP_MGCG */
 892        tmp = RREG32_SOC15(HDP, 0, mmHDP_CLK_CNTL);
 893        if (!(tmp & (HDP_CLK_CNTL__IPH_MEM_CLK_SOFT_OVERRIDE_MASK |
 894                     HDP_CLK_CNTL__RC_MEM_CLK_SOFT_OVERRIDE_MASK |
 895                     HDP_CLK_CNTL__DBUS_CLK_SOFT_OVERRIDE_MASK |
 896                     HDP_CLK_CNTL__DYN_CLK_SOFT_OVERRIDE_MASK |
 897                     HDP_CLK_CNTL__XDP_REG_CLK_SOFT_OVERRIDE_MASK |
 898                     HDP_CLK_CNTL__HDP_REG_CLK_SOFT_OVERRIDE_MASK)))
 899                *flags |= AMD_CG_SUPPORT_HDP_MGCG;
 900
 901        /* AMD_CG_SUPPORT_HDP_LS/DS/SD */
 902        tmp = RREG32_SOC15(HDP, 0, mmHDP_MEM_POWER_CTRL);
 903        if (tmp & HDP_MEM_POWER_CTRL__IPH_MEM_POWER_LS_EN_MASK)
 904                *flags |= AMD_CG_SUPPORT_HDP_LS;
 905        else if (tmp & HDP_MEM_POWER_CTRL__IPH_MEM_POWER_DS_EN_MASK)
 906                *flags |= AMD_CG_SUPPORT_HDP_DS;
 907        else if (tmp & HDP_MEM_POWER_CTRL__IPH_MEM_POWER_SD_EN_MASK)
 908                *flags |= AMD_CG_SUPPORT_HDP_SD;
 909
 910        return;
 911}
 912
 913static const struct amd_ip_funcs nv_common_ip_funcs = {
 914        .name = "nv_common",
 915        .early_init = nv_common_early_init,
 916        .late_init = nv_common_late_init,
 917        .sw_init = nv_common_sw_init,
 918        .sw_fini = nv_common_sw_fini,
 919        .hw_init = nv_common_hw_init,
 920        .hw_fini = nv_common_hw_fini,
 921        .suspend = nv_common_suspend,
 922        .resume = nv_common_resume,
 923        .is_idle = nv_common_is_idle,
 924        .wait_for_idle = nv_common_wait_for_idle,
 925        .soft_reset = nv_common_soft_reset,
 926        .set_clockgating_state = nv_common_set_clockgating_state,
 927        .set_powergating_state = nv_common_set_powergating_state,
 928        .get_clockgating_state = nv_common_get_clockgating_state,
 929};
 930