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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rv770_smc.h (6799B)


      1/*
      2 * Copyright 2011 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 __RV770_SMC_H__
     24#define __RV770_SMC_H__
     25
     26#include "ppsmc.h"
     27
     28#pragma pack(push, 1)
     29
     30#define RV770_SMC_TABLE_ADDRESS 0xB000
     31
     32#define RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE    3
     33
     34struct RV770_SMC_SCLK_VALUE
     35{
     36    uint32_t        vCG_SPLL_FUNC_CNTL;
     37    uint32_t        vCG_SPLL_FUNC_CNTL_2;
     38    uint32_t        vCG_SPLL_FUNC_CNTL_3;
     39    uint32_t        vCG_SPLL_SPREAD_SPECTRUM;
     40    uint32_t        vCG_SPLL_SPREAD_SPECTRUM_2;
     41    uint32_t        sclk_value;
     42};
     43
     44typedef struct RV770_SMC_SCLK_VALUE RV770_SMC_SCLK_VALUE;
     45
     46struct RV770_SMC_MCLK_VALUE
     47{
     48    uint32_t        vMPLL_AD_FUNC_CNTL;
     49    uint32_t        vMPLL_AD_FUNC_CNTL_2;
     50    uint32_t        vMPLL_DQ_FUNC_CNTL;
     51    uint32_t        vMPLL_DQ_FUNC_CNTL_2;
     52    uint32_t        vMCLK_PWRMGT_CNTL;
     53    uint32_t        vDLL_CNTL;
     54    uint32_t        vMPLL_SS;
     55    uint32_t        vMPLL_SS2;
     56    uint32_t        mclk_value;
     57};
     58
     59typedef struct RV770_SMC_MCLK_VALUE RV770_SMC_MCLK_VALUE;
     60
     61
     62struct RV730_SMC_MCLK_VALUE
     63{
     64    uint32_t        vMCLK_PWRMGT_CNTL;
     65    uint32_t        vDLL_CNTL;
     66    uint32_t        vMPLL_FUNC_CNTL;
     67    uint32_t        vMPLL_FUNC_CNTL2;
     68    uint32_t        vMPLL_FUNC_CNTL3;
     69    uint32_t        vMPLL_SS;
     70    uint32_t        vMPLL_SS2;
     71    uint32_t        mclk_value;
     72};
     73
     74typedef struct RV730_SMC_MCLK_VALUE RV730_SMC_MCLK_VALUE;
     75
     76struct RV770_SMC_VOLTAGE_VALUE
     77{
     78    uint16_t             value;
     79    uint8_t              index;
     80    uint8_t              padding;
     81};
     82
     83typedef struct RV770_SMC_VOLTAGE_VALUE RV770_SMC_VOLTAGE_VALUE;
     84
     85union RV7XX_SMC_MCLK_VALUE
     86{
     87    RV770_SMC_MCLK_VALUE    mclk770;
     88    RV730_SMC_MCLK_VALUE    mclk730;
     89};
     90
     91typedef union RV7XX_SMC_MCLK_VALUE RV7XX_SMC_MCLK_VALUE, *LPRV7XX_SMC_MCLK_VALUE;
     92
     93struct RV770_SMC_HW_PERFORMANCE_LEVEL
     94{
     95    uint8_t                 arbValue;
     96    union{
     97        uint8_t             seqValue;
     98        uint8_t             ACIndex;
     99    };
    100    uint8_t                 displayWatermark;
    101    uint8_t                 gen2PCIE;
    102    uint8_t                 gen2XSP;
    103    uint8_t                 backbias;
    104    uint8_t                 strobeMode;
    105    uint8_t                 mcFlags;
    106    uint32_t                aT;
    107    uint32_t                bSP;
    108    RV770_SMC_SCLK_VALUE    sclk;
    109    RV7XX_SMC_MCLK_VALUE    mclk;
    110    RV770_SMC_VOLTAGE_VALUE vddc;
    111    RV770_SMC_VOLTAGE_VALUE mvdd;
    112    RV770_SMC_VOLTAGE_VALUE vddci;
    113    uint8_t                 reserved1;
    114    uint8_t                 reserved2;
    115    uint8_t                 stateFlags;
    116    uint8_t                 padding;
    117};
    118
    119#define SMC_STROBE_RATIO    0x0F
    120#define SMC_STROBE_ENABLE   0x10
    121
    122#define SMC_MC_EDC_RD_FLAG  0x01
    123#define SMC_MC_EDC_WR_FLAG  0x02
    124#define SMC_MC_RTT_ENABLE   0x04
    125#define SMC_MC_STUTTER_EN   0x08
    126
    127typedef struct RV770_SMC_HW_PERFORMANCE_LEVEL RV770_SMC_HW_PERFORMANCE_LEVEL;
    128
    129struct RV770_SMC_SWSTATE
    130{
    131    uint8_t           flags;
    132    uint8_t           padding1;
    133    uint8_t           padding2;
    134    uint8_t           padding3;
    135    RV770_SMC_HW_PERFORMANCE_LEVEL levels[RV770_SMC_PERFORMANCE_LEVELS_PER_SWSTATE];
    136};
    137
    138typedef struct RV770_SMC_SWSTATE RV770_SMC_SWSTATE;
    139
    140#define RV770_SMC_VOLTAGEMASK_VDDC 0
    141#define RV770_SMC_VOLTAGEMASK_MVDD 1
    142#define RV770_SMC_VOLTAGEMASK_VDDCI 2
    143#define RV770_SMC_VOLTAGEMASK_MAX  4
    144
    145struct RV770_SMC_VOLTAGEMASKTABLE
    146{
    147    uint8_t  highMask[RV770_SMC_VOLTAGEMASK_MAX];
    148    uint32_t lowMask[RV770_SMC_VOLTAGEMASK_MAX];
    149};
    150
    151typedef struct RV770_SMC_VOLTAGEMASKTABLE RV770_SMC_VOLTAGEMASKTABLE;
    152
    153#define MAX_NO_VREG_STEPS 32
    154
    155struct RV770_SMC_STATETABLE
    156{
    157    uint8_t             thermalProtectType;
    158    uint8_t             systemFlags;
    159    uint8_t             maxVDDCIndexInPPTable;
    160    uint8_t             extraFlags;
    161    uint8_t             highSMIO[MAX_NO_VREG_STEPS];
    162    uint32_t            lowSMIO[MAX_NO_VREG_STEPS];
    163    RV770_SMC_VOLTAGEMASKTABLE voltageMaskTable;
    164    RV770_SMC_SWSTATE   initialState;
    165    RV770_SMC_SWSTATE   ACPIState;
    166    RV770_SMC_SWSTATE   driverState;
    167    RV770_SMC_SWSTATE   ULVState;
    168};
    169
    170typedef struct RV770_SMC_STATETABLE RV770_SMC_STATETABLE;
    171
    172#define PPSMC_STATEFLAG_AUTO_PULSE_SKIP 0x01
    173
    174#pragma pack(pop)
    175
    176#define RV770_SMC_SOFT_REGISTERS_START        0x104
    177
    178#define RV770_SMC_SOFT_REGISTER_mclk_chg_timeout        0x0
    179#define RV770_SMC_SOFT_REGISTER_baby_step_timer         0x8
    180#define RV770_SMC_SOFT_REGISTER_delay_bbias             0xC
    181#define RV770_SMC_SOFT_REGISTER_delay_vreg              0x10
    182#define RV770_SMC_SOFT_REGISTER_delay_acpi              0x2C
    183#define RV770_SMC_SOFT_REGISTER_seq_index               0x64
    184#define RV770_SMC_SOFT_REGISTER_mvdd_chg_time           0x68
    185#define RV770_SMC_SOFT_REGISTER_mclk_switch_lim         0x78
    186#define RV770_SMC_SOFT_REGISTER_mc_block_delay          0x90
    187#define RV770_SMC_SOFT_REGISTER_uvd_enabled             0x9C
    188#define RV770_SMC_SOFT_REGISTER_is_asic_lombok          0xA0
    189
    190int rv770_copy_bytes_to_smc(struct radeon_device *rdev,
    191			    u16 smc_start_address, const u8 *src,
    192			    u16 byte_count, u16 limit);
    193void rv770_start_smc(struct radeon_device *rdev);
    194void rv770_reset_smc(struct radeon_device *rdev);
    195void rv770_stop_smc_clock(struct radeon_device *rdev);
    196void rv770_start_smc_clock(struct radeon_device *rdev);
    197bool rv770_is_smc_running(struct radeon_device *rdev);
    198PPSMC_Result rv770_send_msg_to_smc(struct radeon_device *rdev, PPSMC_Msg msg);
    199PPSMC_Result rv770_wait_for_smc_inactive(struct radeon_device *rdev);
    200int rv770_read_smc_sram_dword(struct radeon_device *rdev,
    201			      u16 smc_address, u32 *value, u16 limit);
    202int rv770_write_smc_sram_dword(struct radeon_device *rdev,
    203			       u16 smc_address, u32 value, u16 limit);
    204int rv770_load_smc_ucode(struct radeon_device *rdev,
    205			 u16 limit);
    206
    207#endif