cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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sislands_smc.h (14353B)


      1/*
      2 * Copyright 2013 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#ifndef PP_SISLANDS_SMC_H
     24#define PP_SISLANDS_SMC_H
     25
     26#include "ppsmc.h"
     27
     28#pragma pack(push, 1)
     29
     30#define SISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE 16
     31
     32struct PP_SIslands_Dpm2PerfLevel
     33{
     34    uint8_t MaxPS;
     35    uint8_t TgtAct;
     36    uint8_t MaxPS_StepInc;
     37    uint8_t MaxPS_StepDec;
     38    uint8_t PSSamplingTime;
     39    uint8_t NearTDPDec;
     40    uint8_t AboveSafeInc;
     41    uint8_t BelowSafeInc;
     42    uint8_t PSDeltaLimit;
     43    uint8_t PSDeltaWin;
     44    uint16_t PwrEfficiencyRatio;
     45    uint8_t Reserved[4];
     46};
     47
     48typedef struct PP_SIslands_Dpm2PerfLevel PP_SIslands_Dpm2PerfLevel;
     49
     50struct PP_SIslands_DPM2Status
     51{
     52    uint32_t    dpm2Flags;
     53    uint8_t     CurrPSkip;
     54    uint8_t     CurrPSkipPowerShift;
     55    uint8_t     CurrPSkipTDP;
     56    uint8_t     CurrPSkipOCP;
     57    uint8_t     MaxSPLLIndex;
     58    uint8_t     MinSPLLIndex;
     59    uint8_t     CurrSPLLIndex;
     60    uint8_t     InfSweepMode;
     61    uint8_t     InfSweepDir;
     62    uint8_t     TDPexceeded;
     63    uint8_t     reserved;
     64    uint8_t     SwitchDownThreshold;
     65    uint32_t    SwitchDownCounter;
     66    uint32_t    SysScalingFactor;
     67};
     68
     69typedef struct PP_SIslands_DPM2Status PP_SIslands_DPM2Status;
     70
     71struct PP_SIslands_DPM2Parameters
     72{
     73    uint32_t    TDPLimit;
     74    uint32_t    NearTDPLimit;
     75    uint32_t    SafePowerLimit;
     76    uint32_t    PowerBoostLimit;
     77    uint32_t    MinLimitDelta;
     78};
     79typedef struct PP_SIslands_DPM2Parameters PP_SIslands_DPM2Parameters;
     80
     81struct PP_SIslands_PAPMStatus
     82{
     83    uint32_t    EstimatedDGPU_T;
     84    uint32_t    EstimatedDGPU_P;
     85    uint32_t    EstimatedAPU_T;
     86    uint32_t    EstimatedAPU_P;
     87    uint8_t     dGPU_T_Limit_Exceeded;
     88    uint8_t     reserved[3];
     89};
     90typedef struct PP_SIslands_PAPMStatus PP_SIslands_PAPMStatus;
     91
     92struct PP_SIslands_PAPMParameters
     93{
     94    uint32_t    NearTDPLimitTherm;
     95    uint32_t    NearTDPLimitPAPM;
     96    uint32_t    PlatformPowerLimit;
     97    uint32_t    dGPU_T_Limit;
     98    uint32_t    dGPU_T_Warning;
     99    uint32_t    dGPU_T_Hysteresis;
    100};
    101typedef struct PP_SIslands_PAPMParameters PP_SIslands_PAPMParameters;
    102
    103struct SISLANDS_SMC_SCLK_VALUE
    104{
    105    uint32_t    vCG_SPLL_FUNC_CNTL;
    106    uint32_t    vCG_SPLL_FUNC_CNTL_2;
    107    uint32_t    vCG_SPLL_FUNC_CNTL_3;
    108    uint32_t    vCG_SPLL_FUNC_CNTL_4;
    109    uint32_t    vCG_SPLL_SPREAD_SPECTRUM;
    110    uint32_t    vCG_SPLL_SPREAD_SPECTRUM_2;
    111    uint32_t    sclk_value;
    112};
    113
    114typedef struct SISLANDS_SMC_SCLK_VALUE SISLANDS_SMC_SCLK_VALUE;
    115
    116struct SISLANDS_SMC_MCLK_VALUE
    117{
    118    uint32_t    vMPLL_FUNC_CNTL;
    119    uint32_t    vMPLL_FUNC_CNTL_1;
    120    uint32_t    vMPLL_FUNC_CNTL_2;
    121    uint32_t    vMPLL_AD_FUNC_CNTL;
    122    uint32_t    vMPLL_DQ_FUNC_CNTL;
    123    uint32_t    vMCLK_PWRMGT_CNTL;
    124    uint32_t    vDLL_CNTL;
    125    uint32_t    vMPLL_SS;
    126    uint32_t    vMPLL_SS2;
    127    uint32_t    mclk_value;
    128};
    129
    130typedef struct SISLANDS_SMC_MCLK_VALUE SISLANDS_SMC_MCLK_VALUE;
    131
    132struct SISLANDS_SMC_VOLTAGE_VALUE
    133{
    134    uint16_t    value;
    135    uint8_t     index;
    136    uint8_t     phase_settings;
    137};
    138
    139typedef struct SISLANDS_SMC_VOLTAGE_VALUE SISLANDS_SMC_VOLTAGE_VALUE;
    140
    141struct SISLANDS_SMC_HW_PERFORMANCE_LEVEL
    142{
    143    uint8_t                     ACIndex;
    144    uint8_t                     displayWatermark;
    145    uint8_t                     gen2PCIE;
    146    uint8_t                     UVDWatermark;
    147    uint8_t                     VCEWatermark;
    148    uint8_t                     strobeMode;
    149    uint8_t                     mcFlags;
    150    uint8_t                     padding;
    151    uint32_t                    aT;
    152    uint32_t                    bSP;
    153    SISLANDS_SMC_SCLK_VALUE     sclk;
    154    SISLANDS_SMC_MCLK_VALUE     mclk;
    155    SISLANDS_SMC_VOLTAGE_VALUE  vddc;
    156    SISLANDS_SMC_VOLTAGE_VALUE  mvdd;
    157    SISLANDS_SMC_VOLTAGE_VALUE  vddci;
    158    SISLANDS_SMC_VOLTAGE_VALUE  std_vddc;
    159    uint8_t                     hysteresisUp;
    160    uint8_t                     hysteresisDown;
    161    uint8_t                     stateFlags;
    162    uint8_t                     arbRefreshState;
    163    uint32_t                    SQPowerThrottle;
    164    uint32_t                    SQPowerThrottle_2;
    165    uint32_t                    MaxPoweredUpCU;
    166    SISLANDS_SMC_VOLTAGE_VALUE  high_temp_vddc;
    167    SISLANDS_SMC_VOLTAGE_VALUE  low_temp_vddc;
    168    uint32_t                    reserved[2];
    169    PP_SIslands_Dpm2PerfLevel   dpm2;
    170};
    171
    172#define SISLANDS_SMC_STROBE_RATIO    0x0F
    173#define SISLANDS_SMC_STROBE_ENABLE   0x10
    174
    175#define SISLANDS_SMC_MC_EDC_RD_FLAG  0x01
    176#define SISLANDS_SMC_MC_EDC_WR_FLAG  0x02
    177#define SISLANDS_SMC_MC_RTT_ENABLE   0x04
    178#define SISLANDS_SMC_MC_STUTTER_EN   0x08
    179#define SISLANDS_SMC_MC_PG_EN        0x10
    180
    181typedef struct SISLANDS_SMC_HW_PERFORMANCE_LEVEL SISLANDS_SMC_HW_PERFORMANCE_LEVEL;
    182
    183struct SISLANDS_SMC_SWSTATE
    184{
    185	uint8_t                             flags;
    186	uint8_t                             levelCount;
    187	uint8_t                             padding2;
    188	uint8_t                             padding3;
    189	SISLANDS_SMC_HW_PERFORMANCE_LEVEL   levels[];
    190};
    191
    192typedef struct SISLANDS_SMC_SWSTATE SISLANDS_SMC_SWSTATE;
    193
    194struct SISLANDS_SMC_SWSTATE_SINGLE {
    195	uint8_t                             flags;
    196	uint8_t                             levelCount;
    197	uint8_t                             padding2;
    198	uint8_t                             padding3;
    199	SISLANDS_SMC_HW_PERFORMANCE_LEVEL   level;
    200};
    201
    202#define SISLANDS_SMC_VOLTAGEMASK_VDDC  0
    203#define SISLANDS_SMC_VOLTAGEMASK_MVDD  1
    204#define SISLANDS_SMC_VOLTAGEMASK_VDDCI 2
    205#define SISLANDS_SMC_VOLTAGEMASK_VDDC_PHASE_SHEDDING 3
    206#define SISLANDS_SMC_VOLTAGEMASK_MAX   4
    207
    208struct SISLANDS_SMC_VOLTAGEMASKTABLE
    209{
    210    uint32_t lowMask[SISLANDS_SMC_VOLTAGEMASK_MAX];
    211};
    212
    213typedef struct SISLANDS_SMC_VOLTAGEMASKTABLE SISLANDS_SMC_VOLTAGEMASKTABLE;
    214
    215#define SISLANDS_MAX_NO_VREG_STEPS 32
    216
    217struct SISLANDS_SMC_STATETABLE
    218{
    219	uint8_t					thermalProtectType;
    220	uint8_t					systemFlags;
    221	uint8_t					maxVDDCIndexInPPTable;
    222	uint8_t					extraFlags;
    223	uint32_t				lowSMIO[SISLANDS_MAX_NO_VREG_STEPS];
    224	SISLANDS_SMC_VOLTAGEMASKTABLE		voltageMaskTable;
    225	SISLANDS_SMC_VOLTAGEMASKTABLE		phaseMaskTable;
    226	PP_SIslands_DPM2Parameters		dpm2Params;
    227	struct SISLANDS_SMC_SWSTATE_SINGLE	initialState;
    228	struct SISLANDS_SMC_SWSTATE_SINGLE      ACPIState;
    229	struct SISLANDS_SMC_SWSTATE_SINGLE      ULVState;
    230	SISLANDS_SMC_SWSTATE			driverState;
    231	SISLANDS_SMC_HW_PERFORMANCE_LEVEL	dpmLevels[SISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE];
    232};
    233
    234typedef struct SISLANDS_SMC_STATETABLE SISLANDS_SMC_STATETABLE;
    235
    236#define SI_SMC_SOFT_REGISTER_mclk_chg_timeout         0x0
    237#define SI_SMC_SOFT_REGISTER_delay_vreg               0xC
    238#define SI_SMC_SOFT_REGISTER_delay_acpi               0x28
    239#define SI_SMC_SOFT_REGISTER_seq_index                0x5C
    240#define SI_SMC_SOFT_REGISTER_mvdd_chg_time            0x60
    241#define SI_SMC_SOFT_REGISTER_mclk_switch_lim          0x70
    242#define SI_SMC_SOFT_REGISTER_watermark_threshold      0x78
    243#define SI_SMC_SOFT_REGISTER_phase_shedding_delay     0x88
    244#define SI_SMC_SOFT_REGISTER_ulv_volt_change_delay    0x8C
    245#define SI_SMC_SOFT_REGISTER_mc_block_delay           0x98
    246#define SI_SMC_SOFT_REGISTER_ticks_per_us             0xA8
    247#define SI_SMC_SOFT_REGISTER_crtc_index               0xC4
    248#define SI_SMC_SOFT_REGISTER_mclk_change_block_cp_min 0xC8
    249#define SI_SMC_SOFT_REGISTER_mclk_change_block_cp_max 0xCC
    250#define SI_SMC_SOFT_REGISTER_non_ulv_pcie_link_width  0xF4
    251#define SI_SMC_SOFT_REGISTER_tdr_is_about_to_happen   0xFC
    252#define SI_SMC_SOFT_REGISTER_vr_hot_gpio              0x100
    253#define SI_SMC_SOFT_REGISTER_svi_rework_plat_type     0x118
    254#define SI_SMC_SOFT_REGISTER_svi_rework_gpio_id_svd   0x11c
    255#define SI_SMC_SOFT_REGISTER_svi_rework_gpio_id_svc   0x120
    256
    257struct PP_SIslands_FanTable
    258{
    259	uint8_t  fdo_mode;
    260	uint8_t  padding;
    261	int16_t  temp_min;
    262	int16_t  temp_med;
    263	int16_t  temp_max;
    264	int16_t  slope1;
    265	int16_t  slope2;
    266	int16_t  fdo_min;
    267	int16_t  hys_up;
    268	int16_t  hys_down;
    269	int16_t  hys_slope;
    270	int16_t  temp_resp_lim;
    271	int16_t  temp_curr;
    272	int16_t  slope_curr;
    273	int16_t  pwm_curr;
    274	uint32_t refresh_period;
    275	int16_t  fdo_max;
    276	uint8_t  temp_src;
    277	int8_t  padding2;
    278};
    279
    280typedef struct PP_SIslands_FanTable PP_SIslands_FanTable;
    281
    282#define SMC_SISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES 16
    283#define SMC_SISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES 32
    284
    285#define SMC_SISLANDS_SCALE_I  7
    286#define SMC_SISLANDS_SCALE_R 12
    287
    288struct PP_SIslands_CacConfig
    289{
    290    uint16_t   cac_lkge_lut[SMC_SISLANDS_LKGE_LUT_NUM_OF_TEMP_ENTRIES][SMC_SISLANDS_LKGE_LUT_NUM_OF_VOLT_ENTRIES];
    291    uint32_t   lkge_lut_V0;
    292    uint32_t   lkge_lut_Vstep;
    293    uint32_t   WinTime;
    294    uint32_t   R_LL;
    295    uint32_t   calculation_repeats;
    296    uint32_t   l2numWin_TDP;
    297    uint32_t   dc_cac;
    298    uint8_t    lts_truncate_n;
    299    uint8_t    SHIFT_N;
    300    uint8_t    log2_PG_LKG_SCALE;
    301    uint8_t    cac_temp;
    302    uint32_t   lkge_lut_T0;
    303    uint32_t   lkge_lut_Tstep;
    304};
    305
    306typedef struct PP_SIslands_CacConfig PP_SIslands_CacConfig;
    307
    308#define SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE 16
    309#define SMC_SISLANDS_MC_REGISTER_ARRAY_SET_COUNT 20
    310
    311struct SMC_SIslands_MCRegisterAddress
    312{
    313    uint16_t s0;
    314    uint16_t s1;
    315};
    316
    317typedef struct SMC_SIslands_MCRegisterAddress SMC_SIslands_MCRegisterAddress;
    318
    319struct SMC_SIslands_MCRegisterSet
    320{
    321    uint32_t value[SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE];
    322};
    323
    324typedef struct SMC_SIslands_MCRegisterSet SMC_SIslands_MCRegisterSet;
    325
    326struct SMC_SIslands_MCRegisters
    327{
    328    uint8_t                             last;
    329    uint8_t                             reserved[3];
    330    SMC_SIslands_MCRegisterAddress      address[SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE];
    331    SMC_SIslands_MCRegisterSet          data[SMC_SISLANDS_MC_REGISTER_ARRAY_SET_COUNT];
    332};
    333
    334typedef struct SMC_SIslands_MCRegisters SMC_SIslands_MCRegisters;
    335
    336struct SMC_SIslands_MCArbDramTimingRegisterSet
    337{
    338    uint32_t mc_arb_dram_timing;
    339    uint32_t mc_arb_dram_timing2;
    340    uint8_t  mc_arb_rfsh_rate;
    341    uint8_t  mc_arb_burst_time;
    342    uint8_t  padding[2];
    343};
    344
    345typedef struct SMC_SIslands_MCArbDramTimingRegisterSet SMC_SIslands_MCArbDramTimingRegisterSet;
    346
    347struct SMC_SIslands_MCArbDramTimingRegisters
    348{
    349    uint8_t                                     arb_current;
    350    uint8_t                                     reserved[3];
    351    SMC_SIslands_MCArbDramTimingRegisterSet     data[16];
    352};
    353
    354typedef struct SMC_SIslands_MCArbDramTimingRegisters SMC_SIslands_MCArbDramTimingRegisters;
    355
    356struct SMC_SISLANDS_SPLL_DIV_TABLE
    357{
    358    uint32_t    freq[256];
    359    uint32_t    ss[256];
    360};
    361
    362#define SMC_SISLANDS_SPLL_DIV_TABLE_FBDIV_MASK  0x01ffffff
    363#define SMC_SISLANDS_SPLL_DIV_TABLE_FBDIV_SHIFT 0
    364#define SMC_SISLANDS_SPLL_DIV_TABLE_PDIV_MASK   0xfe000000
    365#define SMC_SISLANDS_SPLL_DIV_TABLE_PDIV_SHIFT  25
    366#define SMC_SISLANDS_SPLL_DIV_TABLE_CLKV_MASK   0x000fffff
    367#define SMC_SISLANDS_SPLL_DIV_TABLE_CLKV_SHIFT  0
    368#define SMC_SISLANDS_SPLL_DIV_TABLE_CLKS_MASK   0xfff00000
    369#define SMC_SISLANDS_SPLL_DIV_TABLE_CLKS_SHIFT  20
    370
    371typedef struct SMC_SISLANDS_SPLL_DIV_TABLE SMC_SISLANDS_SPLL_DIV_TABLE;
    372
    373#define SMC_SISLANDS_DTE_MAX_FILTER_STAGES 5
    374
    375#define SMC_SISLANDS_DTE_MAX_TEMPERATURE_DEPENDENT_ARRAY_SIZE 16
    376
    377struct Smc_SIslands_DTE_Configuration
    378{
    379    uint32_t tau[SMC_SISLANDS_DTE_MAX_FILTER_STAGES];
    380    uint32_t R[SMC_SISLANDS_DTE_MAX_FILTER_STAGES];
    381    uint32_t K;
    382    uint32_t T0;
    383    uint32_t MaxT;
    384    uint8_t  WindowSize;
    385    uint8_t  Tdep_count;
    386    uint8_t  temp_select;
    387    uint8_t  DTE_mode;
    388    uint8_t  T_limits[SMC_SISLANDS_DTE_MAX_TEMPERATURE_DEPENDENT_ARRAY_SIZE];
    389    uint32_t Tdep_tau[SMC_SISLANDS_DTE_MAX_TEMPERATURE_DEPENDENT_ARRAY_SIZE];
    390    uint32_t Tdep_R[SMC_SISLANDS_DTE_MAX_TEMPERATURE_DEPENDENT_ARRAY_SIZE];
    391    uint32_t Tthreshold;
    392};
    393
    394typedef struct Smc_SIslands_DTE_Configuration Smc_SIslands_DTE_Configuration;
    395
    396#define SMC_SISLANDS_DTE_STATUS_FLAG_DTE_ON 1
    397
    398#define SISLANDS_SMC_FIRMWARE_HEADER_LOCATION 0x10000
    399
    400#define SISLANDS_SMC_FIRMWARE_HEADER_version                   0x0
    401#define SISLANDS_SMC_FIRMWARE_HEADER_flags                     0x4
    402#define SISLANDS_SMC_FIRMWARE_HEADER_softRegisters             0xC
    403#define SISLANDS_SMC_FIRMWARE_HEADER_stateTable                0x10
    404#define SISLANDS_SMC_FIRMWARE_HEADER_fanTable                  0x14
    405#define SISLANDS_SMC_FIRMWARE_HEADER_CacConfigTable            0x18
    406#define SISLANDS_SMC_FIRMWARE_HEADER_mcRegisterTable           0x24
    407#define SISLANDS_SMC_FIRMWARE_HEADER_mcArbDramAutoRefreshTable 0x30
    408#define SISLANDS_SMC_FIRMWARE_HEADER_spllTable                 0x38
    409#define SISLANDS_SMC_FIRMWARE_HEADER_DteConfiguration          0x40
    410#define SISLANDS_SMC_FIRMWARE_HEADER_PAPMParameters            0x48
    411
    412#pragma pack(pop)
    413
    414int si_copy_bytes_to_smc(struct radeon_device *rdev,
    415			 u32 smc_start_address,
    416			 const u8 *src, u32 byte_count, u32 limit);
    417void si_start_smc(struct radeon_device *rdev);
    418void si_reset_smc(struct radeon_device *rdev);
    419int si_program_jump_on_start(struct radeon_device *rdev);
    420void si_stop_smc_clock(struct radeon_device *rdev);
    421void si_start_smc_clock(struct radeon_device *rdev);
    422bool si_is_smc_running(struct radeon_device *rdev);
    423PPSMC_Result si_send_msg_to_smc(struct radeon_device *rdev, PPSMC_Msg msg);
    424PPSMC_Result si_wait_for_smc_inactive(struct radeon_device *rdev);
    425int si_load_smc_ucode(struct radeon_device *rdev, u32 limit);
    426int si_read_smc_sram_dword(struct radeon_device *rdev, u32 smc_address,
    427			   u32 *value, u32 limit);
    428int si_write_smc_sram_dword(struct radeon_device *rdev, u32 smc_address,
    429			    u32 value, u32 limit);
    430
    431#endif
    432