linux/drivers/gpu/drm/radeon/rv770_smc.h
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   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
 208