linux/drivers/gpu/drm/amd/amdgpu/vi.c
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   1/*
   2 * Copyright 2014 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/slab.h>
  24#include <drm/drmP.h>
  25#include "amdgpu.h"
  26#include "amdgpu_atombios.h"
  27#include "amdgpu_ih.h"
  28#include "amdgpu_uvd.h"
  29#include "amdgpu_vce.h"
  30#include "amdgpu_ucode.h"
  31#include "atom.h"
  32#include "amd_pcie.h"
  33
  34#include "gmc/gmc_8_1_d.h"
  35#include "gmc/gmc_8_1_sh_mask.h"
  36
  37#include "oss/oss_3_0_d.h"
  38#include "oss/oss_3_0_sh_mask.h"
  39
  40#include "bif/bif_5_0_d.h"
  41#include "bif/bif_5_0_sh_mask.h"
  42
  43#include "gca/gfx_8_0_d.h"
  44#include "gca/gfx_8_0_sh_mask.h"
  45
  46#include "smu/smu_7_1_1_d.h"
  47#include "smu/smu_7_1_1_sh_mask.h"
  48
  49#include "uvd/uvd_5_0_d.h"
  50#include "uvd/uvd_5_0_sh_mask.h"
  51
  52#include "vce/vce_3_0_d.h"
  53#include "vce/vce_3_0_sh_mask.h"
  54
  55#include "dce/dce_10_0_d.h"
  56#include "dce/dce_10_0_sh_mask.h"
  57
  58#include "vid.h"
  59#include "vi.h"
  60#include "vi_dpm.h"
  61#include "gmc_v8_0.h"
  62#include "gmc_v7_0.h"
  63#include "gfx_v8_0.h"
  64#include "sdma_v2_4.h"
  65#include "sdma_v3_0.h"
  66#include "dce_v10_0.h"
  67#include "dce_v11_0.h"
  68#include "iceland_ih.h"
  69#include "tonga_ih.h"
  70#include "cz_ih.h"
  71#include "uvd_v5_0.h"
  72#include "uvd_v6_0.h"
  73#include "vce_v3_0.h"
  74#include "amdgpu_powerplay.h"
  75#if defined(CONFIG_DRM_AMD_ACP)
  76#include "amdgpu_acp.h"
  77#endif
  78#include "dce_virtual.h"
  79#include "mxgpu_vi.h"
  80
  81/*
  82 * Indirect registers accessor
  83 */
  84static u32 vi_pcie_rreg(struct amdgpu_device *adev, u32 reg)
  85{
  86        unsigned long flags;
  87        u32 r;
  88
  89        spin_lock_irqsave(&adev->pcie_idx_lock, flags);
  90        WREG32(mmPCIE_INDEX, reg);
  91        (void)RREG32(mmPCIE_INDEX);
  92        r = RREG32(mmPCIE_DATA);
  93        spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
  94        return r;
  95}
  96
  97static void vi_pcie_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
  98{
  99        unsigned long flags;
 100
 101        spin_lock_irqsave(&adev->pcie_idx_lock, flags);
 102        WREG32(mmPCIE_INDEX, reg);
 103        (void)RREG32(mmPCIE_INDEX);
 104        WREG32(mmPCIE_DATA, v);
 105        (void)RREG32(mmPCIE_DATA);
 106        spin_unlock_irqrestore(&adev->pcie_idx_lock, flags);
 107}
 108
 109static u32 vi_smc_rreg(struct amdgpu_device *adev, u32 reg)
 110{
 111        unsigned long flags;
 112        u32 r;
 113
 114        spin_lock_irqsave(&adev->smc_idx_lock, flags);
 115        WREG32(mmSMC_IND_INDEX_11, (reg));
 116        r = RREG32(mmSMC_IND_DATA_11);
 117        spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
 118        return r;
 119}
 120
 121static void vi_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 122{
 123        unsigned long flags;
 124
 125        spin_lock_irqsave(&adev->smc_idx_lock, flags);
 126        WREG32(mmSMC_IND_INDEX_11, (reg));
 127        WREG32(mmSMC_IND_DATA_11, (v));
 128        spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
 129}
 130
 131/* smu_8_0_d.h */
 132#define mmMP0PUB_IND_INDEX                                                      0x180
 133#define mmMP0PUB_IND_DATA                                                       0x181
 134
 135static u32 cz_smc_rreg(struct amdgpu_device *adev, u32 reg)
 136{
 137        unsigned long flags;
 138        u32 r;
 139
 140        spin_lock_irqsave(&adev->smc_idx_lock, flags);
 141        WREG32(mmMP0PUB_IND_INDEX, (reg));
 142        r = RREG32(mmMP0PUB_IND_DATA);
 143        spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
 144        return r;
 145}
 146
 147static void cz_smc_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 148{
 149        unsigned long flags;
 150
 151        spin_lock_irqsave(&adev->smc_idx_lock, flags);
 152        WREG32(mmMP0PUB_IND_INDEX, (reg));
 153        WREG32(mmMP0PUB_IND_DATA, (v));
 154        spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
 155}
 156
 157static u32 vi_uvd_ctx_rreg(struct amdgpu_device *adev, u32 reg)
 158{
 159        unsigned long flags;
 160        u32 r;
 161
 162        spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
 163        WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
 164        r = RREG32(mmUVD_CTX_DATA);
 165        spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
 166        return r;
 167}
 168
 169static void vi_uvd_ctx_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 170{
 171        unsigned long flags;
 172
 173        spin_lock_irqsave(&adev->uvd_ctx_idx_lock, flags);
 174        WREG32(mmUVD_CTX_INDEX, ((reg) & 0x1ff));
 175        WREG32(mmUVD_CTX_DATA, (v));
 176        spin_unlock_irqrestore(&adev->uvd_ctx_idx_lock, flags);
 177}
 178
 179static u32 vi_didt_rreg(struct amdgpu_device *adev, u32 reg)
 180{
 181        unsigned long flags;
 182        u32 r;
 183
 184        spin_lock_irqsave(&adev->didt_idx_lock, flags);
 185        WREG32(mmDIDT_IND_INDEX, (reg));
 186        r = RREG32(mmDIDT_IND_DATA);
 187        spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
 188        return r;
 189}
 190
 191static void vi_didt_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 192{
 193        unsigned long flags;
 194
 195        spin_lock_irqsave(&adev->didt_idx_lock, flags);
 196        WREG32(mmDIDT_IND_INDEX, (reg));
 197        WREG32(mmDIDT_IND_DATA, (v));
 198        spin_unlock_irqrestore(&adev->didt_idx_lock, flags);
 199}
 200
 201static u32 vi_gc_cac_rreg(struct amdgpu_device *adev, u32 reg)
 202{
 203        unsigned long flags;
 204        u32 r;
 205
 206        spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
 207        WREG32(mmGC_CAC_IND_INDEX, (reg));
 208        r = RREG32(mmGC_CAC_IND_DATA);
 209        spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
 210        return r;
 211}
 212
 213static void vi_gc_cac_wreg(struct amdgpu_device *adev, u32 reg, u32 v)
 214{
 215        unsigned long flags;
 216
 217        spin_lock_irqsave(&adev->gc_cac_idx_lock, flags);
 218        WREG32(mmGC_CAC_IND_INDEX, (reg));
 219        WREG32(mmGC_CAC_IND_DATA, (v));
 220        spin_unlock_irqrestore(&adev->gc_cac_idx_lock, flags);
 221}
 222
 223
 224static const u32 tonga_mgcg_cgcg_init[] =
 225{
 226        mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
 227        mmPCIE_INDEX, 0xffffffff, 0x0140001c,
 228        mmPCIE_DATA, 0x000f0000, 0x00000000,
 229        mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C,
 230        mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
 231        mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
 232        mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
 233};
 234
 235static const u32 fiji_mgcg_cgcg_init[] =
 236{
 237        mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
 238        mmPCIE_INDEX, 0xffffffff, 0x0140001c,
 239        mmPCIE_DATA, 0x000f0000, 0x00000000,
 240        mmSMC_IND_INDEX_4, 0xffffffff, 0xC060000C,
 241        mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
 242        mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
 243        mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
 244};
 245
 246static const u32 iceland_mgcg_cgcg_init[] =
 247{
 248        mmPCIE_INDEX, 0xffffffff, ixPCIE_CNTL2,
 249        mmPCIE_DATA, 0x000f0000, 0x00000000,
 250        mmSMC_IND_INDEX_4, 0xffffffff, ixCGTT_ROM_CLK_CTRL0,
 251        mmSMC_IND_DATA_4, 0xc0000fff, 0x00000100,
 252        mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
 253};
 254
 255static const u32 cz_mgcg_cgcg_init[] =
 256{
 257        mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00600100,
 258        mmPCIE_INDEX, 0xffffffff, 0x0140001c,
 259        mmPCIE_DATA, 0x000f0000, 0x00000000,
 260        mmCGTT_DRM_CLK_CTRL0, 0xff000fff, 0x00000100,
 261        mmHDP_XDP_CGTT_BLK_CTRL, 0xc0000fff, 0x00000104,
 262};
 263
 264static const u32 stoney_mgcg_cgcg_init[] =
 265{
 266        mmCGTT_DRM_CLK_CTRL0, 0xffffffff, 0x00000100,
 267        mmHDP_XDP_CGTT_BLK_CTRL, 0xffffffff, 0x00000104,
 268        mmHDP_HOST_PATH_CNTL, 0xffffffff, 0x0f000027,
 269};
 270
 271static void vi_init_golden_registers(struct amdgpu_device *adev)
 272{
 273        /* Some of the registers might be dependent on GRBM_GFX_INDEX */
 274        mutex_lock(&adev->grbm_idx_mutex);
 275
 276        if (amdgpu_sriov_vf(adev)) {
 277                xgpu_vi_init_golden_registers(adev);
 278                mutex_unlock(&adev->grbm_idx_mutex);
 279                return;
 280        }
 281
 282        switch (adev->asic_type) {
 283        case CHIP_TOPAZ:
 284                amdgpu_program_register_sequence(adev,
 285                                                 iceland_mgcg_cgcg_init,
 286                                                 (const u32)ARRAY_SIZE(iceland_mgcg_cgcg_init));
 287                break;
 288        case CHIP_FIJI:
 289                amdgpu_program_register_sequence(adev,
 290                                                 fiji_mgcg_cgcg_init,
 291                                                 (const u32)ARRAY_SIZE(fiji_mgcg_cgcg_init));
 292                break;
 293        case CHIP_TONGA:
 294                amdgpu_program_register_sequence(adev,
 295                                                 tonga_mgcg_cgcg_init,
 296                                                 (const u32)ARRAY_SIZE(tonga_mgcg_cgcg_init));
 297                break;
 298        case CHIP_CARRIZO:
 299                amdgpu_program_register_sequence(adev,
 300                                                 cz_mgcg_cgcg_init,
 301                                                 (const u32)ARRAY_SIZE(cz_mgcg_cgcg_init));
 302                break;
 303        case CHIP_STONEY:
 304                amdgpu_program_register_sequence(adev,
 305                                                 stoney_mgcg_cgcg_init,
 306                                                 (const u32)ARRAY_SIZE(stoney_mgcg_cgcg_init));
 307                break;
 308        case CHIP_POLARIS11:
 309        case CHIP_POLARIS10:
 310        case CHIP_POLARIS12:
 311        default:
 312                break;
 313        }
 314        mutex_unlock(&adev->grbm_idx_mutex);
 315}
 316
 317/**
 318 * vi_get_xclk - get the xclk
 319 *
 320 * @adev: amdgpu_device pointer
 321 *
 322 * Returns the reference clock used by the gfx engine
 323 * (VI).
 324 */
 325static u32 vi_get_xclk(struct amdgpu_device *adev)
 326{
 327        u32 reference_clock = adev->clock.spll.reference_freq;
 328        u32 tmp;
 329
 330        if (adev->flags & AMD_IS_APU)
 331                return reference_clock;
 332
 333        tmp = RREG32_SMC(ixCG_CLKPIN_CNTL_2);
 334        if (REG_GET_FIELD(tmp, CG_CLKPIN_CNTL_2, MUX_TCLK_TO_XCLK))
 335                return 1000;
 336
 337        tmp = RREG32_SMC(ixCG_CLKPIN_CNTL);
 338        if (REG_GET_FIELD(tmp, CG_CLKPIN_CNTL, XTALIN_DIVIDE))
 339                return reference_clock / 4;
 340
 341        return reference_clock;
 342}
 343
 344/**
 345 * vi_srbm_select - select specific register instances
 346 *
 347 * @adev: amdgpu_device pointer
 348 * @me: selected ME (micro engine)
 349 * @pipe: pipe
 350 * @queue: queue
 351 * @vmid: VMID
 352 *
 353 * Switches the currently active registers instances.  Some
 354 * registers are instanced per VMID, others are instanced per
 355 * me/pipe/queue combination.
 356 */
 357void vi_srbm_select(struct amdgpu_device *adev,
 358                     u32 me, u32 pipe, u32 queue, u32 vmid)
 359{
 360        u32 srbm_gfx_cntl = 0;
 361        srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, PIPEID, pipe);
 362        srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, MEID, me);
 363        srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, VMID, vmid);
 364        srbm_gfx_cntl = REG_SET_FIELD(srbm_gfx_cntl, SRBM_GFX_CNTL, QUEUEID, queue);
 365        WREG32(mmSRBM_GFX_CNTL, srbm_gfx_cntl);
 366}
 367
 368static void vi_vga_set_state(struct amdgpu_device *adev, bool state)
 369{
 370        /* todo */
 371}
 372
 373static bool vi_read_disabled_bios(struct amdgpu_device *adev)
 374{
 375        u32 bus_cntl;
 376        u32 d1vga_control = 0;
 377        u32 d2vga_control = 0;
 378        u32 vga_render_control = 0;
 379        u32 rom_cntl;
 380        bool r;
 381
 382        bus_cntl = RREG32(mmBUS_CNTL);
 383        if (adev->mode_info.num_crtc) {
 384                d1vga_control = RREG32(mmD1VGA_CONTROL);
 385                d2vga_control = RREG32(mmD2VGA_CONTROL);
 386                vga_render_control = RREG32(mmVGA_RENDER_CONTROL);
 387        }
 388        rom_cntl = RREG32_SMC(ixROM_CNTL);
 389
 390        /* enable the rom */
 391        WREG32(mmBUS_CNTL, (bus_cntl & ~BUS_CNTL__BIOS_ROM_DIS_MASK));
 392        if (adev->mode_info.num_crtc) {
 393                /* Disable VGA mode */
 394                WREG32(mmD1VGA_CONTROL,
 395                       (d1vga_control & ~(D1VGA_CONTROL__D1VGA_MODE_ENABLE_MASK |
 396                                          D1VGA_CONTROL__D1VGA_TIMING_SELECT_MASK)));
 397                WREG32(mmD2VGA_CONTROL,
 398                       (d2vga_control & ~(D2VGA_CONTROL__D2VGA_MODE_ENABLE_MASK |
 399                                          D2VGA_CONTROL__D2VGA_TIMING_SELECT_MASK)));
 400                WREG32(mmVGA_RENDER_CONTROL,
 401                       (vga_render_control & ~VGA_RENDER_CONTROL__VGA_VSTATUS_CNTL_MASK));
 402        }
 403        WREG32_SMC(ixROM_CNTL, rom_cntl | ROM_CNTL__SCK_OVERWRITE_MASK);
 404
 405        r = amdgpu_read_bios(adev);
 406
 407        /* restore regs */
 408        WREG32(mmBUS_CNTL, bus_cntl);
 409        if (adev->mode_info.num_crtc) {
 410                WREG32(mmD1VGA_CONTROL, d1vga_control);
 411                WREG32(mmD2VGA_CONTROL, d2vga_control);
 412                WREG32(mmVGA_RENDER_CONTROL, vga_render_control);
 413        }
 414        WREG32_SMC(ixROM_CNTL, rom_cntl);
 415        return r;
 416}
 417
 418static bool vi_read_bios_from_rom(struct amdgpu_device *adev,
 419                                  u8 *bios, u32 length_bytes)
 420{
 421        u32 *dw_ptr;
 422        unsigned long flags;
 423        u32 i, length_dw;
 424
 425        if (bios == NULL)
 426                return false;
 427        if (length_bytes == 0)
 428                return false;
 429        /* APU vbios image is part of sbios image */
 430        if (adev->flags & AMD_IS_APU)
 431                return false;
 432
 433        dw_ptr = (u32 *)bios;
 434        length_dw = ALIGN(length_bytes, 4) / 4;
 435        /* take the smc lock since we are using the smc index */
 436        spin_lock_irqsave(&adev->smc_idx_lock, flags);
 437        /* set rom index to 0 */
 438        WREG32(mmSMC_IND_INDEX_11, ixROM_INDEX);
 439        WREG32(mmSMC_IND_DATA_11, 0);
 440        /* set index to data for continous read */
 441        WREG32(mmSMC_IND_INDEX_11, ixROM_DATA);
 442        for (i = 0; i < length_dw; i++)
 443                dw_ptr[i] = RREG32(mmSMC_IND_DATA_11);
 444        spin_unlock_irqrestore(&adev->smc_idx_lock, flags);
 445
 446        return true;
 447}
 448
 449static void vi_detect_hw_virtualization(struct amdgpu_device *adev)
 450{
 451        uint32_t reg = RREG32(mmBIF_IOV_FUNC_IDENTIFIER);
 452        /* bit0: 0 means pf and 1 means vf */
 453        /* bit31: 0 means disable IOV and 1 means enable */
 454        if (reg & 1)
 455                adev->virt.caps |= AMDGPU_SRIOV_CAPS_IS_VF;
 456
 457        if (reg & 0x80000000)
 458                adev->virt.caps |= AMDGPU_SRIOV_CAPS_ENABLE_IOV;
 459
 460        if (reg == 0) {
 461                if (is_virtual_machine()) /* passthrough mode exclus sr-iov mode */
 462                        adev->virt.caps |= AMDGPU_PASSTHROUGH_MODE;
 463        }
 464}
 465
 466static const struct amdgpu_allowed_register_entry vi_allowed_read_registers[] = {
 467        {mmGRBM_STATUS},
 468        {mmGRBM_STATUS2},
 469        {mmGRBM_STATUS_SE0},
 470        {mmGRBM_STATUS_SE1},
 471        {mmGRBM_STATUS_SE2},
 472        {mmGRBM_STATUS_SE3},
 473        {mmSRBM_STATUS},
 474        {mmSRBM_STATUS2},
 475        {mmSRBM_STATUS3},
 476        {mmSDMA0_STATUS_REG + SDMA0_REGISTER_OFFSET},
 477        {mmSDMA0_STATUS_REG + SDMA1_REGISTER_OFFSET},
 478        {mmCP_STAT},
 479        {mmCP_STALLED_STAT1},
 480        {mmCP_STALLED_STAT2},
 481        {mmCP_STALLED_STAT3},
 482        {mmCP_CPF_BUSY_STAT},
 483        {mmCP_CPF_STALLED_STAT1},
 484        {mmCP_CPF_STATUS},
 485        {mmCP_CPC_BUSY_STAT},
 486        {mmCP_CPC_STALLED_STAT1},
 487        {mmCP_CPC_STATUS},
 488        {mmGB_ADDR_CONFIG},
 489        {mmMC_ARB_RAMCFG},
 490        {mmGB_TILE_MODE0},
 491        {mmGB_TILE_MODE1},
 492        {mmGB_TILE_MODE2},
 493        {mmGB_TILE_MODE3},
 494        {mmGB_TILE_MODE4},
 495        {mmGB_TILE_MODE5},
 496        {mmGB_TILE_MODE6},
 497        {mmGB_TILE_MODE7},
 498        {mmGB_TILE_MODE8},
 499        {mmGB_TILE_MODE9},
 500        {mmGB_TILE_MODE10},
 501        {mmGB_TILE_MODE11},
 502        {mmGB_TILE_MODE12},
 503        {mmGB_TILE_MODE13},
 504        {mmGB_TILE_MODE14},
 505        {mmGB_TILE_MODE15},
 506        {mmGB_TILE_MODE16},
 507        {mmGB_TILE_MODE17},
 508        {mmGB_TILE_MODE18},
 509        {mmGB_TILE_MODE19},
 510        {mmGB_TILE_MODE20},
 511        {mmGB_TILE_MODE21},
 512        {mmGB_TILE_MODE22},
 513        {mmGB_TILE_MODE23},
 514        {mmGB_TILE_MODE24},
 515        {mmGB_TILE_MODE25},
 516        {mmGB_TILE_MODE26},
 517        {mmGB_TILE_MODE27},
 518        {mmGB_TILE_MODE28},
 519        {mmGB_TILE_MODE29},
 520        {mmGB_TILE_MODE30},
 521        {mmGB_TILE_MODE31},
 522        {mmGB_MACROTILE_MODE0},
 523        {mmGB_MACROTILE_MODE1},
 524        {mmGB_MACROTILE_MODE2},
 525        {mmGB_MACROTILE_MODE3},
 526        {mmGB_MACROTILE_MODE4},
 527        {mmGB_MACROTILE_MODE5},
 528        {mmGB_MACROTILE_MODE6},
 529        {mmGB_MACROTILE_MODE7},
 530        {mmGB_MACROTILE_MODE8},
 531        {mmGB_MACROTILE_MODE9},
 532        {mmGB_MACROTILE_MODE10},
 533        {mmGB_MACROTILE_MODE11},
 534        {mmGB_MACROTILE_MODE12},
 535        {mmGB_MACROTILE_MODE13},
 536        {mmGB_MACROTILE_MODE14},
 537        {mmGB_MACROTILE_MODE15},
 538        {mmCC_RB_BACKEND_DISABLE, true},
 539        {mmGC_USER_RB_BACKEND_DISABLE, true},
 540        {mmGB_BACKEND_MAP, false},
 541        {mmPA_SC_RASTER_CONFIG, true},
 542        {mmPA_SC_RASTER_CONFIG_1, true},
 543};
 544
 545static uint32_t vi_get_register_value(struct amdgpu_device *adev,
 546                                      bool indexed, u32 se_num,
 547                                      u32 sh_num, u32 reg_offset)
 548{
 549        if (indexed) {
 550                uint32_t val;
 551                unsigned se_idx = (se_num == 0xffffffff) ? 0 : se_num;
 552                unsigned sh_idx = (sh_num == 0xffffffff) ? 0 : sh_num;
 553
 554                switch (reg_offset) {
 555                case mmCC_RB_BACKEND_DISABLE:
 556                        return adev->gfx.config.rb_config[se_idx][sh_idx].rb_backend_disable;
 557                case mmGC_USER_RB_BACKEND_DISABLE:
 558                        return adev->gfx.config.rb_config[se_idx][sh_idx].user_rb_backend_disable;
 559                case mmPA_SC_RASTER_CONFIG:
 560                        return adev->gfx.config.rb_config[se_idx][sh_idx].raster_config;
 561                case mmPA_SC_RASTER_CONFIG_1:
 562                        return adev->gfx.config.rb_config[se_idx][sh_idx].raster_config_1;
 563                }
 564
 565                mutex_lock(&adev->grbm_idx_mutex);
 566                if (se_num != 0xffffffff || sh_num != 0xffffffff)
 567                        amdgpu_gfx_select_se_sh(adev, se_num, sh_num, 0xffffffff);
 568
 569                val = RREG32(reg_offset);
 570
 571                if (se_num != 0xffffffff || sh_num != 0xffffffff)
 572                        amdgpu_gfx_select_se_sh(adev, 0xffffffff, 0xffffffff, 0xffffffff);
 573                mutex_unlock(&adev->grbm_idx_mutex);
 574                return val;
 575        } else {
 576                unsigned idx;
 577
 578                switch (reg_offset) {
 579                case mmGB_ADDR_CONFIG:
 580                        return adev->gfx.config.gb_addr_config;
 581                case mmMC_ARB_RAMCFG:
 582                        return adev->gfx.config.mc_arb_ramcfg;
 583                case mmGB_TILE_MODE0:
 584                case mmGB_TILE_MODE1:
 585                case mmGB_TILE_MODE2:
 586                case mmGB_TILE_MODE3:
 587                case mmGB_TILE_MODE4:
 588                case mmGB_TILE_MODE5:
 589                case mmGB_TILE_MODE6:
 590                case mmGB_TILE_MODE7:
 591                case mmGB_TILE_MODE8:
 592                case mmGB_TILE_MODE9:
 593                case mmGB_TILE_MODE10:
 594                case mmGB_TILE_MODE11:
 595                case mmGB_TILE_MODE12:
 596                case mmGB_TILE_MODE13:
 597                case mmGB_TILE_MODE14:
 598                case mmGB_TILE_MODE15:
 599                case mmGB_TILE_MODE16:
 600                case mmGB_TILE_MODE17:
 601                case mmGB_TILE_MODE18:
 602                case mmGB_TILE_MODE19:
 603                case mmGB_TILE_MODE20:
 604                case mmGB_TILE_MODE21:
 605                case mmGB_TILE_MODE22:
 606                case mmGB_TILE_MODE23:
 607                case mmGB_TILE_MODE24:
 608                case mmGB_TILE_MODE25:
 609                case mmGB_TILE_MODE26:
 610                case mmGB_TILE_MODE27:
 611                case mmGB_TILE_MODE28:
 612                case mmGB_TILE_MODE29:
 613                case mmGB_TILE_MODE30:
 614                case mmGB_TILE_MODE31:
 615                        idx = (reg_offset - mmGB_TILE_MODE0);
 616                        return adev->gfx.config.tile_mode_array[idx];
 617                case mmGB_MACROTILE_MODE0:
 618                case mmGB_MACROTILE_MODE1:
 619                case mmGB_MACROTILE_MODE2:
 620                case mmGB_MACROTILE_MODE3:
 621                case mmGB_MACROTILE_MODE4:
 622                case mmGB_MACROTILE_MODE5:
 623                case mmGB_MACROTILE_MODE6:
 624                case mmGB_MACROTILE_MODE7:
 625                case mmGB_MACROTILE_MODE8:
 626                case mmGB_MACROTILE_MODE9:
 627                case mmGB_MACROTILE_MODE10:
 628                case mmGB_MACROTILE_MODE11:
 629                case mmGB_MACROTILE_MODE12:
 630                case mmGB_MACROTILE_MODE13:
 631                case mmGB_MACROTILE_MODE14:
 632                case mmGB_MACROTILE_MODE15:
 633                        idx = (reg_offset - mmGB_MACROTILE_MODE0);
 634                        return adev->gfx.config.macrotile_mode_array[idx];
 635                default:
 636                        return RREG32(reg_offset);
 637                }
 638        }
 639}
 640
 641static int vi_read_register(struct amdgpu_device *adev, u32 se_num,
 642                            u32 sh_num, u32 reg_offset, u32 *value)
 643{
 644        uint32_t i;
 645
 646        *value = 0;
 647        for (i = 0; i < ARRAY_SIZE(vi_allowed_read_registers); i++) {
 648                bool indexed = vi_allowed_read_registers[i].grbm_indexed;
 649
 650                if (reg_offset != vi_allowed_read_registers[i].reg_offset)
 651                        continue;
 652
 653                *value = vi_get_register_value(adev, indexed, se_num, sh_num,
 654                                               reg_offset);
 655                return 0;
 656        }
 657        return -EINVAL;
 658}
 659
 660static int vi_gpu_pci_config_reset(struct amdgpu_device *adev)
 661{
 662        u32 i;
 663
 664        dev_info(adev->dev, "GPU pci config reset\n");
 665
 666        /* disable BM */
 667        pci_clear_master(adev->pdev);
 668        /* reset */
 669        amdgpu_pci_config_reset(adev);
 670
 671        udelay(100);
 672
 673        /* wait for asic to come out of reset */
 674        for (i = 0; i < adev->usec_timeout; i++) {
 675                if (RREG32(mmCONFIG_MEMSIZE) != 0xffffffff) {
 676                        /* enable BM */
 677                        pci_set_master(adev->pdev);
 678                        adev->has_hw_reset = true;
 679                        return 0;
 680                }
 681                udelay(1);
 682        }
 683        return -EINVAL;
 684}
 685
 686/**
 687 * vi_asic_reset - soft reset GPU
 688 *
 689 * @adev: amdgpu_device pointer
 690 *
 691 * Look up which blocks are hung and attempt
 692 * to reset them.
 693 * Returns 0 for success.
 694 */
 695static int vi_asic_reset(struct amdgpu_device *adev)
 696{
 697        int r;
 698
 699        amdgpu_atombios_scratch_regs_engine_hung(adev, true);
 700
 701        r = vi_gpu_pci_config_reset(adev);
 702
 703        amdgpu_atombios_scratch_regs_engine_hung(adev, false);
 704
 705        return r;
 706}
 707
 708static u32 vi_get_config_memsize(struct amdgpu_device *adev)
 709{
 710        return RREG32(mmCONFIG_MEMSIZE);
 711}
 712
 713static int vi_set_uvd_clock(struct amdgpu_device *adev, u32 clock,
 714                        u32 cntl_reg, u32 status_reg)
 715{
 716        int r, i;
 717        struct atom_clock_dividers dividers;
 718        uint32_t tmp;
 719
 720        r = amdgpu_atombios_get_clock_dividers(adev,
 721                                               COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
 722                                               clock, false, &dividers);
 723        if (r)
 724                return r;
 725
 726        tmp = RREG32_SMC(cntl_reg);
 727        tmp &= ~(CG_DCLK_CNTL__DCLK_DIR_CNTL_EN_MASK |
 728                CG_DCLK_CNTL__DCLK_DIVIDER_MASK);
 729        tmp |= dividers.post_divider;
 730        WREG32_SMC(cntl_reg, tmp);
 731
 732        for (i = 0; i < 100; i++) {
 733                if (RREG32_SMC(status_reg) & CG_DCLK_STATUS__DCLK_STATUS_MASK)
 734                        break;
 735                mdelay(10);
 736        }
 737        if (i == 100)
 738                return -ETIMEDOUT;
 739
 740        return 0;
 741}
 742
 743static int vi_set_uvd_clocks(struct amdgpu_device *adev, u32 vclk, u32 dclk)
 744{
 745        int r;
 746
 747        r = vi_set_uvd_clock(adev, vclk, ixCG_VCLK_CNTL, ixCG_VCLK_STATUS);
 748        if (r)
 749                return r;
 750
 751        r = vi_set_uvd_clock(adev, dclk, ixCG_DCLK_CNTL, ixCG_DCLK_STATUS);
 752        if (r)
 753                return r;
 754
 755        return 0;
 756}
 757
 758static int vi_set_vce_clocks(struct amdgpu_device *adev, u32 evclk, u32 ecclk)
 759{
 760        int r, i;
 761        struct atom_clock_dividers dividers;
 762        u32 tmp;
 763
 764        r = amdgpu_atombios_get_clock_dividers(adev,
 765                                               COMPUTE_GPUCLK_INPUT_FLAG_DEFAULT_GPUCLK,
 766                                               ecclk, false, &dividers);
 767        if (r)
 768                return r;
 769
 770        for (i = 0; i < 100; i++) {
 771                if (RREG32_SMC(ixCG_ECLK_STATUS) & CG_ECLK_STATUS__ECLK_STATUS_MASK)
 772                        break;
 773                mdelay(10);
 774        }
 775        if (i == 100)
 776                return -ETIMEDOUT;
 777
 778        tmp = RREG32_SMC(ixCG_ECLK_CNTL);
 779        tmp &= ~(CG_ECLK_CNTL__ECLK_DIR_CNTL_EN_MASK |
 780                CG_ECLK_CNTL__ECLK_DIVIDER_MASK);
 781        tmp |= dividers.post_divider;
 782        WREG32_SMC(ixCG_ECLK_CNTL, tmp);
 783
 784        for (i = 0; i < 100; i++) {
 785                if (RREG32_SMC(ixCG_ECLK_STATUS) & CG_ECLK_STATUS__ECLK_STATUS_MASK)
 786                        break;
 787                mdelay(10);
 788        }
 789        if (i == 100)
 790                return -ETIMEDOUT;
 791
 792        return 0;
 793}
 794
 795static void vi_pcie_gen3_enable(struct amdgpu_device *adev)
 796{
 797        if (pci_is_root_bus(adev->pdev->bus))
 798                return;
 799
 800        if (amdgpu_pcie_gen2 == 0)
 801                return;
 802
 803        if (adev->flags & AMD_IS_APU)
 804                return;
 805
 806        if (!(adev->pm.pcie_gen_mask & (CAIL_PCIE_LINK_SPEED_SUPPORT_GEN2 |
 807                                        CAIL_PCIE_LINK_SPEED_SUPPORT_GEN3)))
 808                return;
 809
 810        /* todo */
 811}
 812
 813static void vi_program_aspm(struct amdgpu_device *adev)
 814{
 815
 816        if (amdgpu_aspm == 0)
 817                return;
 818
 819        /* todo */
 820}
 821
 822static void vi_enable_doorbell_aperture(struct amdgpu_device *adev,
 823                                        bool enable)
 824{
 825        u32 tmp;
 826
 827        /* not necessary on CZ */
 828        if (adev->flags & AMD_IS_APU)
 829                return;
 830
 831        tmp = RREG32(mmBIF_DOORBELL_APER_EN);
 832        if (enable)
 833                tmp = REG_SET_FIELD(tmp, BIF_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, 1);
 834        else
 835                tmp = REG_SET_FIELD(tmp, BIF_DOORBELL_APER_EN, BIF_DOORBELL_APER_EN, 0);
 836
 837        WREG32(mmBIF_DOORBELL_APER_EN, tmp);
 838}
 839
 840#define ATI_REV_ID_FUSE_MACRO__ADDRESS      0xC0014044
 841#define ATI_REV_ID_FUSE_MACRO__SHIFT        9
 842#define ATI_REV_ID_FUSE_MACRO__MASK         0x00001E00
 843
 844static uint32_t vi_get_rev_id(struct amdgpu_device *adev)
 845{
 846        if (adev->flags & AMD_IS_APU)
 847                return (RREG32_SMC(ATI_REV_ID_FUSE_MACRO__ADDRESS) & ATI_REV_ID_FUSE_MACRO__MASK)
 848                        >> ATI_REV_ID_FUSE_MACRO__SHIFT;
 849        else
 850                return (RREG32(mmPCIE_EFUSE4) & PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID_MASK)
 851                        >> PCIE_EFUSE4__STRAP_BIF_ATI_REV_ID__SHIFT;
 852}
 853
 854static const struct amdgpu_asic_funcs vi_asic_funcs =
 855{
 856        .read_disabled_bios = &vi_read_disabled_bios,
 857        .read_bios_from_rom = &vi_read_bios_from_rom,
 858        .read_register = &vi_read_register,
 859        .reset = &vi_asic_reset,
 860        .set_vga_state = &vi_vga_set_state,
 861        .get_xclk = &vi_get_xclk,
 862        .set_uvd_clocks = &vi_set_uvd_clocks,
 863        .set_vce_clocks = &vi_set_vce_clocks,
 864        .get_config_memsize = &vi_get_config_memsize,
 865};
 866
 867#define CZ_REV_BRISTOL(rev)      \
 868        ((rev >= 0xC8 && rev <= 0xCE) || (rev >= 0xE1 && rev <= 0xE6))
 869
 870static int vi_common_early_init(void *handle)
 871{
 872        bool smc_enabled = false;
 873        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
 874
 875        if (adev->flags & AMD_IS_APU) {
 876                adev->smc_rreg = &cz_smc_rreg;
 877                adev->smc_wreg = &cz_smc_wreg;
 878        } else {
 879                adev->smc_rreg = &vi_smc_rreg;
 880                adev->smc_wreg = &vi_smc_wreg;
 881        }
 882        adev->pcie_rreg = &vi_pcie_rreg;
 883        adev->pcie_wreg = &vi_pcie_wreg;
 884        adev->uvd_ctx_rreg = &vi_uvd_ctx_rreg;
 885        adev->uvd_ctx_wreg = &vi_uvd_ctx_wreg;
 886        adev->didt_rreg = &vi_didt_rreg;
 887        adev->didt_wreg = &vi_didt_wreg;
 888        adev->gc_cac_rreg = &vi_gc_cac_rreg;
 889        adev->gc_cac_wreg = &vi_gc_cac_wreg;
 890
 891        adev->asic_funcs = &vi_asic_funcs;
 892
 893        if (amdgpu_get_ip_block(adev, AMD_IP_BLOCK_TYPE_SMC) &&
 894                (amdgpu_ip_block_mask & (1 << AMD_IP_BLOCK_TYPE_SMC)))
 895                smc_enabled = true;
 896
 897        adev->rev_id = vi_get_rev_id(adev);
 898        adev->external_rev_id = 0xFF;
 899        switch (adev->asic_type) {
 900        case CHIP_TOPAZ:
 901                adev->cg_flags = 0;
 902                adev->pg_flags = 0;
 903                adev->external_rev_id = 0x1;
 904                break;
 905        case CHIP_FIJI:
 906                adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 907                        AMD_CG_SUPPORT_GFX_MGLS |
 908                        AMD_CG_SUPPORT_GFX_RLC_LS |
 909                        AMD_CG_SUPPORT_GFX_CP_LS |
 910                        AMD_CG_SUPPORT_GFX_CGTS |
 911                        AMD_CG_SUPPORT_GFX_CGTS_LS |
 912                        AMD_CG_SUPPORT_GFX_CGCG |
 913                        AMD_CG_SUPPORT_GFX_CGLS |
 914                        AMD_CG_SUPPORT_SDMA_MGCG |
 915                        AMD_CG_SUPPORT_SDMA_LS |
 916                        AMD_CG_SUPPORT_BIF_LS |
 917                        AMD_CG_SUPPORT_HDP_MGCG |
 918                        AMD_CG_SUPPORT_HDP_LS |
 919                        AMD_CG_SUPPORT_ROM_MGCG |
 920                        AMD_CG_SUPPORT_MC_MGCG |
 921                        AMD_CG_SUPPORT_MC_LS |
 922                        AMD_CG_SUPPORT_UVD_MGCG;
 923                adev->pg_flags = 0;
 924                adev->external_rev_id = adev->rev_id + 0x3c;
 925                break;
 926        case CHIP_TONGA:
 927                adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 928                        AMD_CG_SUPPORT_GFX_CGCG |
 929                        AMD_CG_SUPPORT_GFX_CGLS |
 930                        AMD_CG_SUPPORT_SDMA_MGCG |
 931                        AMD_CG_SUPPORT_SDMA_LS |
 932                        AMD_CG_SUPPORT_BIF_LS |
 933                        AMD_CG_SUPPORT_HDP_MGCG |
 934                        AMD_CG_SUPPORT_HDP_LS |
 935                        AMD_CG_SUPPORT_ROM_MGCG |
 936                        AMD_CG_SUPPORT_MC_MGCG |
 937                        AMD_CG_SUPPORT_MC_LS |
 938                        AMD_CG_SUPPORT_DRM_LS |
 939                        AMD_CG_SUPPORT_UVD_MGCG;
 940                adev->pg_flags = 0;
 941                adev->external_rev_id = adev->rev_id + 0x14;
 942                break;
 943        case CHIP_POLARIS11:
 944                adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 945                        AMD_CG_SUPPORT_GFX_RLC_LS |
 946                        AMD_CG_SUPPORT_GFX_CP_LS |
 947                        AMD_CG_SUPPORT_GFX_CGCG |
 948                        AMD_CG_SUPPORT_GFX_CGLS |
 949                        AMD_CG_SUPPORT_GFX_3D_CGCG |
 950                        AMD_CG_SUPPORT_GFX_3D_CGLS |
 951                        AMD_CG_SUPPORT_SDMA_MGCG |
 952                        AMD_CG_SUPPORT_SDMA_LS |
 953                        AMD_CG_SUPPORT_BIF_MGCG |
 954                        AMD_CG_SUPPORT_BIF_LS |
 955                        AMD_CG_SUPPORT_HDP_MGCG |
 956                        AMD_CG_SUPPORT_HDP_LS |
 957                        AMD_CG_SUPPORT_ROM_MGCG |
 958                        AMD_CG_SUPPORT_MC_MGCG |
 959                        AMD_CG_SUPPORT_MC_LS |
 960                        AMD_CG_SUPPORT_DRM_LS |
 961                        AMD_CG_SUPPORT_UVD_MGCG |
 962                        AMD_CG_SUPPORT_VCE_MGCG;
 963                adev->pg_flags = 0;
 964                adev->external_rev_id = adev->rev_id + 0x5A;
 965                break;
 966        case CHIP_POLARIS10:
 967                adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 968                        AMD_CG_SUPPORT_GFX_RLC_LS |
 969                        AMD_CG_SUPPORT_GFX_CP_LS |
 970                        AMD_CG_SUPPORT_GFX_CGCG |
 971                        AMD_CG_SUPPORT_GFX_CGLS |
 972                        AMD_CG_SUPPORT_GFX_3D_CGCG |
 973                        AMD_CG_SUPPORT_GFX_3D_CGLS |
 974                        AMD_CG_SUPPORT_SDMA_MGCG |
 975                        AMD_CG_SUPPORT_SDMA_LS |
 976                        AMD_CG_SUPPORT_BIF_MGCG |
 977                        AMD_CG_SUPPORT_BIF_LS |
 978                        AMD_CG_SUPPORT_HDP_MGCG |
 979                        AMD_CG_SUPPORT_HDP_LS |
 980                        AMD_CG_SUPPORT_ROM_MGCG |
 981                        AMD_CG_SUPPORT_MC_MGCG |
 982                        AMD_CG_SUPPORT_MC_LS |
 983                        AMD_CG_SUPPORT_DRM_LS |
 984                        AMD_CG_SUPPORT_UVD_MGCG |
 985                        AMD_CG_SUPPORT_VCE_MGCG;
 986                adev->pg_flags = 0;
 987                adev->external_rev_id = adev->rev_id + 0x50;
 988                break;
 989        case CHIP_POLARIS12:
 990                adev->cg_flags = AMD_CG_SUPPORT_GFX_MGCG |
 991                        AMD_CG_SUPPORT_GFX_RLC_LS |
 992                        AMD_CG_SUPPORT_GFX_CP_LS |
 993                        AMD_CG_SUPPORT_GFX_CGCG |
 994                        AMD_CG_SUPPORT_GFX_CGLS |
 995                        AMD_CG_SUPPORT_GFX_3D_CGCG |
 996                        AMD_CG_SUPPORT_GFX_3D_CGLS |
 997                        AMD_CG_SUPPORT_SDMA_MGCG |
 998                        AMD_CG_SUPPORT_SDMA_LS |
 999                        AMD_CG_SUPPORT_BIF_MGCG |
1000                        AMD_CG_SUPPORT_BIF_LS |
1001                        AMD_CG_SUPPORT_HDP_MGCG |
1002                        AMD_CG_SUPPORT_HDP_LS |
1003                        AMD_CG_SUPPORT_ROM_MGCG |
1004                        AMD_CG_SUPPORT_MC_MGCG |
1005                        AMD_CG_SUPPORT_MC_LS |
1006                        AMD_CG_SUPPORT_DRM_LS |
1007                        AMD_CG_SUPPORT_UVD_MGCG |
1008                        AMD_CG_SUPPORT_VCE_MGCG;
1009                adev->pg_flags = 0;
1010                adev->external_rev_id = adev->rev_id + 0x64;
1011                break;
1012        case CHIP_CARRIZO:
1013                adev->cg_flags = AMD_CG_SUPPORT_UVD_MGCG |
1014                        AMD_CG_SUPPORT_GFX_MGCG |
1015                        AMD_CG_SUPPORT_GFX_MGLS |
1016                        AMD_CG_SUPPORT_GFX_RLC_LS |
1017                        AMD_CG_SUPPORT_GFX_CP_LS |
1018                        AMD_CG_SUPPORT_GFX_CGTS |
1019                        AMD_CG_SUPPORT_GFX_CGTS_LS |
1020                        AMD_CG_SUPPORT_GFX_CGCG |
1021                        AMD_CG_SUPPORT_GFX_CGLS |
1022                        AMD_CG_SUPPORT_BIF_LS |
1023                        AMD_CG_SUPPORT_HDP_MGCG |
1024                        AMD_CG_SUPPORT_HDP_LS |
1025                        AMD_CG_SUPPORT_SDMA_MGCG |
1026                        AMD_CG_SUPPORT_SDMA_LS |
1027                        AMD_CG_SUPPORT_VCE_MGCG;
1028                /* rev0 hardware requires workarounds to support PG */
1029                adev->pg_flags = 0;
1030                if (adev->rev_id != 0x00 || CZ_REV_BRISTOL(adev->pdev->revision)) {
1031                        adev->pg_flags |= AMD_PG_SUPPORT_GFX_PG |
1032                                AMD_PG_SUPPORT_GFX_SMG |
1033                                AMD_PG_SUPPORT_GFX_PIPELINE |
1034                                AMD_PG_SUPPORT_CP |
1035                                AMD_PG_SUPPORT_UVD |
1036                                AMD_PG_SUPPORT_VCE;
1037                }
1038                adev->external_rev_id = adev->rev_id + 0x1;
1039                break;
1040        case CHIP_STONEY:
1041                adev->cg_flags = AMD_CG_SUPPORT_UVD_MGCG |
1042                        AMD_CG_SUPPORT_GFX_MGCG |
1043                        AMD_CG_SUPPORT_GFX_MGLS |
1044                        AMD_CG_SUPPORT_GFX_RLC_LS |
1045                        AMD_CG_SUPPORT_GFX_CP_LS |
1046                        AMD_CG_SUPPORT_GFX_CGTS |
1047                        AMD_CG_SUPPORT_GFX_CGTS_LS |
1048                        AMD_CG_SUPPORT_GFX_CGCG |
1049                        AMD_CG_SUPPORT_GFX_CGLS |
1050                        AMD_CG_SUPPORT_BIF_LS |
1051                        AMD_CG_SUPPORT_HDP_MGCG |
1052                        AMD_CG_SUPPORT_HDP_LS |
1053                        AMD_CG_SUPPORT_SDMA_MGCG |
1054                        AMD_CG_SUPPORT_SDMA_LS |
1055                        AMD_CG_SUPPORT_VCE_MGCG;
1056                adev->pg_flags = AMD_PG_SUPPORT_GFX_PG |
1057                        AMD_PG_SUPPORT_GFX_SMG |
1058                        AMD_PG_SUPPORT_GFX_PIPELINE |
1059                        AMD_PG_SUPPORT_CP |
1060                        AMD_PG_SUPPORT_UVD |
1061                        AMD_PG_SUPPORT_VCE;
1062                adev->external_rev_id = adev->rev_id + 0x61;
1063                break;
1064        default:
1065                /* FIXME: not supported yet */
1066                return -EINVAL;
1067        }
1068
1069        if (amdgpu_sriov_vf(adev)) {
1070                amdgpu_virt_init_setting(adev);
1071                xgpu_vi_mailbox_set_irq_funcs(adev);
1072        }
1073
1074        /* vi use smc load by default */
1075        adev->firmware.load_type = amdgpu_ucode_get_load_type(adev, amdgpu_fw_load_type);
1076
1077        amdgpu_get_pcie_info(adev);
1078
1079        return 0;
1080}
1081
1082static int vi_common_late_init(void *handle)
1083{
1084        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1085
1086        if (amdgpu_sriov_vf(adev))
1087                xgpu_vi_mailbox_get_irq(adev);
1088
1089        return 0;
1090}
1091
1092static int vi_common_sw_init(void *handle)
1093{
1094        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1095
1096        if (amdgpu_sriov_vf(adev))
1097                xgpu_vi_mailbox_add_irq_id(adev);
1098
1099        return 0;
1100}
1101
1102static int vi_common_sw_fini(void *handle)
1103{
1104        return 0;
1105}
1106
1107static int vi_common_hw_init(void *handle)
1108{
1109        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1110
1111        /* move the golden regs per IP block */
1112        vi_init_golden_registers(adev);
1113        /* enable pcie gen2/3 link */
1114        vi_pcie_gen3_enable(adev);
1115        /* enable aspm */
1116        vi_program_aspm(adev);
1117        /* enable the doorbell aperture */
1118        vi_enable_doorbell_aperture(adev, true);
1119
1120        return 0;
1121}
1122
1123static int vi_common_hw_fini(void *handle)
1124{
1125        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1126
1127        /* enable the doorbell aperture */
1128        vi_enable_doorbell_aperture(adev, false);
1129
1130        if (amdgpu_sriov_vf(adev))
1131                xgpu_vi_mailbox_put_irq(adev);
1132
1133        return 0;
1134}
1135
1136static int vi_common_suspend(void *handle)
1137{
1138        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1139
1140        return vi_common_hw_fini(adev);
1141}
1142
1143static int vi_common_resume(void *handle)
1144{
1145        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1146
1147        return vi_common_hw_init(adev);
1148}
1149
1150static bool vi_common_is_idle(void *handle)
1151{
1152        return true;
1153}
1154
1155static int vi_common_wait_for_idle(void *handle)
1156{
1157        return 0;
1158}
1159
1160static int vi_common_soft_reset(void *handle)
1161{
1162        return 0;
1163}
1164
1165static void vi_update_bif_medium_grain_light_sleep(struct amdgpu_device *adev,
1166                                                   bool enable)
1167{
1168        uint32_t temp, data;
1169
1170        temp = data = RREG32_PCIE(ixPCIE_CNTL2);
1171
1172        if (enable && (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS))
1173                data |= PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
1174                                PCIE_CNTL2__MST_MEM_LS_EN_MASK |
1175                                PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK;
1176        else
1177                data &= ~(PCIE_CNTL2__SLV_MEM_LS_EN_MASK |
1178                                PCIE_CNTL2__MST_MEM_LS_EN_MASK |
1179                                PCIE_CNTL2__REPLAY_MEM_LS_EN_MASK);
1180
1181        if (temp != data)
1182                WREG32_PCIE(ixPCIE_CNTL2, data);
1183}
1184
1185static void vi_update_hdp_medium_grain_clock_gating(struct amdgpu_device *adev,
1186                                                    bool enable)
1187{
1188        uint32_t temp, data;
1189
1190        temp = data = RREG32(mmHDP_HOST_PATH_CNTL);
1191
1192        if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG))
1193                data &= ~HDP_HOST_PATH_CNTL__CLOCK_GATING_DIS_MASK;
1194        else
1195                data |= HDP_HOST_PATH_CNTL__CLOCK_GATING_DIS_MASK;
1196
1197        if (temp != data)
1198                WREG32(mmHDP_HOST_PATH_CNTL, data);
1199}
1200
1201static void vi_update_hdp_light_sleep(struct amdgpu_device *adev,
1202                                      bool enable)
1203{
1204        uint32_t temp, data;
1205
1206        temp = data = RREG32(mmHDP_MEM_POWER_LS);
1207
1208        if (enable && (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS))
1209                data |= HDP_MEM_POWER_LS__LS_ENABLE_MASK;
1210        else
1211                data &= ~HDP_MEM_POWER_LS__LS_ENABLE_MASK;
1212
1213        if (temp != data)
1214                WREG32(mmHDP_MEM_POWER_LS, data);
1215}
1216
1217static void vi_update_drm_light_sleep(struct amdgpu_device *adev,
1218                                      bool enable)
1219{
1220        uint32_t temp, data;
1221
1222        temp = data = RREG32(0x157a);
1223
1224        if (enable && (adev->cg_flags & AMD_CG_SUPPORT_DRM_LS))
1225                data |= 1;
1226        else
1227                data &= ~1;
1228
1229        if (temp != data)
1230                WREG32(0x157a, data);
1231}
1232
1233
1234static void vi_update_rom_medium_grain_clock_gating(struct amdgpu_device *adev,
1235                                                    bool enable)
1236{
1237        uint32_t temp, data;
1238
1239        temp = data = RREG32_SMC(ixCGTT_ROM_CLK_CTRL0);
1240
1241        if (enable && (adev->cg_flags & AMD_CG_SUPPORT_ROM_MGCG))
1242                data &= ~(CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
1243                                CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK);
1244        else
1245                data |= CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK |
1246                                CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE1_MASK;
1247
1248        if (temp != data)
1249                WREG32_SMC(ixCGTT_ROM_CLK_CTRL0, data);
1250}
1251
1252static int vi_common_set_clockgating_state_by_smu(void *handle,
1253                                           enum amd_clockgating_state state)
1254{
1255        uint32_t msg_id, pp_state = 0;
1256        uint32_t pp_support_state = 0;
1257        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1258        void *pp_handle = adev->powerplay.pp_handle;
1259
1260        if (adev->cg_flags & (AMD_CG_SUPPORT_MC_LS | AMD_CG_SUPPORT_MC_MGCG)) {
1261                if (adev->cg_flags & AMD_CG_SUPPORT_MC_LS) {
1262                        pp_support_state = AMD_CG_SUPPORT_MC_LS;
1263                        pp_state = PP_STATE_LS;
1264                }
1265                if (adev->cg_flags & AMD_CG_SUPPORT_MC_MGCG) {
1266                        pp_support_state |= AMD_CG_SUPPORT_MC_MGCG;
1267                        pp_state |= PP_STATE_CG;
1268                }
1269                if (state == AMD_CG_STATE_UNGATE)
1270                        pp_state = 0;
1271                msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1272                               PP_BLOCK_SYS_MC,
1273                               pp_support_state,
1274                               pp_state);
1275                amd_set_clockgating_by_smu(pp_handle, msg_id);
1276        }
1277
1278        if (adev->cg_flags & (AMD_CG_SUPPORT_SDMA_LS | AMD_CG_SUPPORT_SDMA_MGCG)) {
1279                if (adev->cg_flags & AMD_CG_SUPPORT_SDMA_LS) {
1280                        pp_support_state = AMD_CG_SUPPORT_SDMA_LS;
1281                        pp_state = PP_STATE_LS;
1282                }
1283                if (adev->cg_flags & AMD_CG_SUPPORT_SDMA_MGCG) {
1284                        pp_support_state |= AMD_CG_SUPPORT_SDMA_MGCG;
1285                        pp_state |= PP_STATE_CG;
1286                }
1287                if (state == AMD_CG_STATE_UNGATE)
1288                        pp_state = 0;
1289                msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1290                               PP_BLOCK_SYS_SDMA,
1291                               pp_support_state,
1292                               pp_state);
1293                amd_set_clockgating_by_smu(pp_handle, msg_id);
1294        }
1295
1296        if (adev->cg_flags & (AMD_CG_SUPPORT_HDP_LS | AMD_CG_SUPPORT_HDP_MGCG)) {
1297                if (adev->cg_flags & AMD_CG_SUPPORT_HDP_LS) {
1298                        pp_support_state = AMD_CG_SUPPORT_HDP_LS;
1299                        pp_state = PP_STATE_LS;
1300                }
1301                if (adev->cg_flags & AMD_CG_SUPPORT_HDP_MGCG) {
1302                        pp_support_state |= AMD_CG_SUPPORT_HDP_MGCG;
1303                        pp_state |= PP_STATE_CG;
1304                }
1305                if (state == AMD_CG_STATE_UNGATE)
1306                        pp_state = 0;
1307                msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1308                               PP_BLOCK_SYS_HDP,
1309                               pp_support_state,
1310                               pp_state);
1311                amd_set_clockgating_by_smu(pp_handle, msg_id);
1312        }
1313
1314
1315        if (adev->cg_flags & AMD_CG_SUPPORT_BIF_LS) {
1316                if (state == AMD_CG_STATE_UNGATE)
1317                        pp_state = 0;
1318                else
1319                        pp_state = PP_STATE_LS;
1320
1321                msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1322                               PP_BLOCK_SYS_BIF,
1323                               PP_STATE_SUPPORT_LS,
1324                                pp_state);
1325                amd_set_clockgating_by_smu(pp_handle, msg_id);
1326        }
1327        if (adev->cg_flags & AMD_CG_SUPPORT_BIF_MGCG) {
1328                if (state == AMD_CG_STATE_UNGATE)
1329                        pp_state = 0;
1330                else
1331                        pp_state = PP_STATE_CG;
1332
1333                msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1334                               PP_BLOCK_SYS_BIF,
1335                               PP_STATE_SUPPORT_CG,
1336                               pp_state);
1337                amd_set_clockgating_by_smu(pp_handle, msg_id);
1338        }
1339
1340        if (adev->cg_flags & AMD_CG_SUPPORT_DRM_LS) {
1341
1342                if (state == AMD_CG_STATE_UNGATE)
1343                        pp_state = 0;
1344                else
1345                        pp_state = PP_STATE_LS;
1346
1347                msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1348                               PP_BLOCK_SYS_DRM,
1349                               PP_STATE_SUPPORT_LS,
1350                               pp_state);
1351                amd_set_clockgating_by_smu(pp_handle, msg_id);
1352        }
1353
1354        if (adev->cg_flags & AMD_CG_SUPPORT_ROM_MGCG) {
1355
1356                if (state == AMD_CG_STATE_UNGATE)
1357                        pp_state = 0;
1358                else
1359                        pp_state = PP_STATE_CG;
1360
1361                msg_id = PP_CG_MSG_ID(PP_GROUP_SYS,
1362                               PP_BLOCK_SYS_ROM,
1363                               PP_STATE_SUPPORT_CG,
1364                               pp_state);
1365                amd_set_clockgating_by_smu(pp_handle, msg_id);
1366        }
1367        return 0;
1368}
1369
1370static int vi_common_set_clockgating_state(void *handle,
1371                                           enum amd_clockgating_state state)
1372{
1373        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1374
1375        if (amdgpu_sriov_vf(adev))
1376                return 0;
1377
1378        switch (adev->asic_type) {
1379        case CHIP_FIJI:
1380                vi_update_bif_medium_grain_light_sleep(adev,
1381                                state == AMD_CG_STATE_GATE);
1382                vi_update_hdp_medium_grain_clock_gating(adev,
1383                                state == AMD_CG_STATE_GATE);
1384                vi_update_hdp_light_sleep(adev,
1385                                state == AMD_CG_STATE_GATE);
1386                vi_update_rom_medium_grain_clock_gating(adev,
1387                                state == AMD_CG_STATE_GATE);
1388                break;
1389        case CHIP_CARRIZO:
1390        case CHIP_STONEY:
1391                vi_update_bif_medium_grain_light_sleep(adev,
1392                                state == AMD_CG_STATE_GATE);
1393                vi_update_hdp_medium_grain_clock_gating(adev,
1394                                state == AMD_CG_STATE_GATE);
1395                vi_update_hdp_light_sleep(adev,
1396                                state == AMD_CG_STATE_GATE);
1397                vi_update_drm_light_sleep(adev,
1398                                state == AMD_CG_STATE_GATE);
1399                break;
1400        case CHIP_TONGA:
1401        case CHIP_POLARIS10:
1402        case CHIP_POLARIS11:
1403        case CHIP_POLARIS12:
1404                vi_common_set_clockgating_state_by_smu(adev, state);
1405        default:
1406                break;
1407        }
1408        return 0;
1409}
1410
1411static int vi_common_set_powergating_state(void *handle,
1412                                            enum amd_powergating_state state)
1413{
1414        return 0;
1415}
1416
1417static void vi_common_get_clockgating_state(void *handle, u32 *flags)
1418{
1419        struct amdgpu_device *adev = (struct amdgpu_device *)handle;
1420        int data;
1421
1422        if (amdgpu_sriov_vf(adev))
1423                *flags = 0;
1424
1425        /* AMD_CG_SUPPORT_BIF_LS */
1426        data = RREG32_PCIE(ixPCIE_CNTL2);
1427        if (data & PCIE_CNTL2__SLV_MEM_LS_EN_MASK)
1428                *flags |= AMD_CG_SUPPORT_BIF_LS;
1429
1430        /* AMD_CG_SUPPORT_HDP_LS */
1431        data = RREG32(mmHDP_MEM_POWER_LS);
1432        if (data & HDP_MEM_POWER_LS__LS_ENABLE_MASK)
1433                *flags |= AMD_CG_SUPPORT_HDP_LS;
1434
1435        /* AMD_CG_SUPPORT_HDP_MGCG */
1436        data = RREG32(mmHDP_HOST_PATH_CNTL);
1437        if (!(data & HDP_HOST_PATH_CNTL__CLOCK_GATING_DIS_MASK))
1438                *flags |= AMD_CG_SUPPORT_HDP_MGCG;
1439
1440        /* AMD_CG_SUPPORT_ROM_MGCG */
1441        data = RREG32_SMC(ixCGTT_ROM_CLK_CTRL0);
1442        if (!(data & CGTT_ROM_CLK_CTRL0__SOFT_OVERRIDE0_MASK))
1443                *flags |= AMD_CG_SUPPORT_ROM_MGCG;
1444}
1445
1446static const struct amd_ip_funcs vi_common_ip_funcs = {
1447        .name = "vi_common",
1448        .early_init = vi_common_early_init,
1449        .late_init = vi_common_late_init,
1450        .sw_init = vi_common_sw_init,
1451        .sw_fini = vi_common_sw_fini,
1452        .hw_init = vi_common_hw_init,
1453        .hw_fini = vi_common_hw_fini,
1454        .suspend = vi_common_suspend,
1455        .resume = vi_common_resume,
1456        .is_idle = vi_common_is_idle,
1457        .wait_for_idle = vi_common_wait_for_idle,
1458        .soft_reset = vi_common_soft_reset,
1459        .set_clockgating_state = vi_common_set_clockgating_state,
1460        .set_powergating_state = vi_common_set_powergating_state,
1461        .get_clockgating_state = vi_common_get_clockgating_state,
1462};
1463
1464static const struct amdgpu_ip_block_version vi_common_ip_block =
1465{
1466        .type = AMD_IP_BLOCK_TYPE_COMMON,
1467        .major = 1,
1468        .minor = 0,
1469        .rev = 0,
1470        .funcs = &vi_common_ip_funcs,
1471};
1472
1473int vi_set_ip_blocks(struct amdgpu_device *adev)
1474{
1475        /* in early init stage, vbios code won't work */
1476        vi_detect_hw_virtualization(adev);
1477
1478        if (amdgpu_sriov_vf(adev))
1479                adev->virt.ops = &xgpu_vi_virt_ops;
1480
1481        switch (adev->asic_type) {
1482        case CHIP_TOPAZ:
1483                /* topaz has no DCE, UVD, VCE */
1484                amdgpu_ip_block_add(adev, &vi_common_ip_block);
1485                amdgpu_ip_block_add(adev, &gmc_v7_4_ip_block);
1486                amdgpu_ip_block_add(adev, &iceland_ih_ip_block);
1487                amdgpu_ip_block_add(adev, &amdgpu_pp_ip_block);
1488                if (adev->enable_virtual_display)
1489                        amdgpu_ip_block_add(adev, &dce_virtual_ip_block);
1490                amdgpu_ip_block_add(adev, &gfx_v8_0_ip_block);
1491                amdgpu_ip_block_add(adev, &sdma_v2_4_ip_block);
1492                break;
1493        case CHIP_FIJI:
1494                amdgpu_ip_block_add(adev, &vi_common_ip_block);
1495                amdgpu_ip_block_add(adev, &gmc_v8_5_ip_block);
1496                amdgpu_ip_block_add(adev, &tonga_ih_ip_block);
1497                amdgpu_ip_block_add(adev, &amdgpu_pp_ip_block);
1498                if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
1499                        amdgpu_ip_block_add(adev, &dce_virtual_ip_block);
1500                else
1501                        amdgpu_ip_block_add(adev, &dce_v10_1_ip_block);
1502                amdgpu_ip_block_add(adev, &gfx_v8_0_ip_block);
1503                amdgpu_ip_block_add(adev, &sdma_v3_0_ip_block);
1504                if (!amdgpu_sriov_vf(adev)) {
1505                        amdgpu_ip_block_add(adev, &uvd_v6_0_ip_block);
1506                        amdgpu_ip_block_add(adev, &vce_v3_0_ip_block);
1507                }
1508                break;
1509        case CHIP_TONGA:
1510                amdgpu_ip_block_add(adev, &vi_common_ip_block);
1511                amdgpu_ip_block_add(adev, &gmc_v8_0_ip_block);
1512                amdgpu_ip_block_add(adev, &tonga_ih_ip_block);
1513                amdgpu_ip_block_add(adev, &amdgpu_pp_ip_block);
1514                if (adev->enable_virtual_display || amdgpu_sriov_vf(adev))
1515                        amdgpu_ip_block_add(adev, &dce_virtual_ip_block);
1516                else
1517                        amdgpu_ip_block_add(adev, &dce_v10_0_ip_block);
1518                amdgpu_ip_block_add(adev, &gfx_v8_0_ip_block);
1519                amdgpu_ip_block_add(adev, &sdma_v3_0_ip_block);
1520                if (!amdgpu_sriov_vf(adev)) {
1521                        amdgpu_ip_block_add(adev, &uvd_v5_0_ip_block);
1522                        amdgpu_ip_block_add(adev, &vce_v3_0_ip_block);
1523                }
1524                break;
1525        case CHIP_POLARIS11:
1526        case CHIP_POLARIS10:
1527        case CHIP_POLARIS12:
1528                amdgpu_ip_block_add(adev, &vi_common_ip_block);
1529                amdgpu_ip_block_add(adev, &gmc_v8_1_ip_block);
1530                amdgpu_ip_block_add(adev, &tonga_ih_ip_block);
1531                amdgpu_ip_block_add(adev, &amdgpu_pp_ip_block);
1532                if (adev->enable_virtual_display)
1533                        amdgpu_ip_block_add(adev, &dce_virtual_ip_block);
1534                else
1535                        amdgpu_ip_block_add(adev, &dce_v11_2_ip_block);
1536                amdgpu_ip_block_add(adev, &gfx_v8_0_ip_block);
1537                amdgpu_ip_block_add(adev, &sdma_v3_1_ip_block);
1538                amdgpu_ip_block_add(adev, &uvd_v6_3_ip_block);
1539                amdgpu_ip_block_add(adev, &vce_v3_4_ip_block);
1540                break;
1541        case CHIP_CARRIZO:
1542                amdgpu_ip_block_add(adev, &vi_common_ip_block);
1543                amdgpu_ip_block_add(adev, &gmc_v8_0_ip_block);
1544                amdgpu_ip_block_add(adev, &cz_ih_ip_block);
1545                amdgpu_ip_block_add(adev, &amdgpu_pp_ip_block);
1546                if (adev->enable_virtual_display)
1547                        amdgpu_ip_block_add(adev, &dce_virtual_ip_block);
1548                else
1549                        amdgpu_ip_block_add(adev, &dce_v11_0_ip_block);
1550                amdgpu_ip_block_add(adev, &gfx_v8_0_ip_block);
1551                amdgpu_ip_block_add(adev, &sdma_v3_0_ip_block);
1552                amdgpu_ip_block_add(adev, &uvd_v6_0_ip_block);
1553                amdgpu_ip_block_add(adev, &vce_v3_1_ip_block);
1554#if defined(CONFIG_DRM_AMD_ACP)
1555                amdgpu_ip_block_add(adev, &acp_ip_block);
1556#endif
1557                break;
1558        case CHIP_STONEY:
1559                amdgpu_ip_block_add(adev, &vi_common_ip_block);
1560                amdgpu_ip_block_add(adev, &gmc_v8_0_ip_block);
1561                amdgpu_ip_block_add(adev, &cz_ih_ip_block);
1562                amdgpu_ip_block_add(adev, &amdgpu_pp_ip_block);
1563                if (adev->enable_virtual_display)
1564                        amdgpu_ip_block_add(adev, &dce_virtual_ip_block);
1565                else
1566                        amdgpu_ip_block_add(adev, &dce_v11_0_ip_block);
1567                amdgpu_ip_block_add(adev, &gfx_v8_1_ip_block);
1568                amdgpu_ip_block_add(adev, &sdma_v3_0_ip_block);
1569                amdgpu_ip_block_add(adev, &uvd_v6_2_ip_block);
1570                amdgpu_ip_block_add(adev, &vce_v3_4_ip_block);
1571#if defined(CONFIG_DRM_AMD_ACP)
1572                amdgpu_ip_block_add(adev, &acp_ip_block);
1573#endif
1574                break;
1575        default:
1576                /* FIXME: not supported yet */
1577                return -EINVAL;
1578        }
1579
1580        return 0;
1581}
1582