sys/dev/drm/radeon/rv770_smc.h

   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
  34 struct 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
  44 typedef struct RV770_SMC_SCLK_VALUE RV770_SMC_SCLK_VALUE;
  45
  46 struct 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
  59 typedef struct RV770_SMC_MCLK_VALUE RV770_SMC_MCLK_VALUE;
  60
  61
  62 struct 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
  74 typedef struct RV730_SMC_MCLK_VALUE RV730_SMC_MCLK_VALUE;
  75
  76 struct RV770_SMC_VOLTAGE_VALUE
  77 {
  78     uint16_t             value;
  79     uint8_t              index;
  80     uint8_t              padding;
  81 };
  82
  83 typedef struct RV770_SMC_VOLTAGE_VALUE RV770_SMC_VOLTAGE_VALUE;
  84
  85 union RV7XX_SMC_MCLK_VALUE
  86 {
  87     RV770_SMC_MCLK_VALUE    mclk770;
  88     RV730_SMC_MCLK_VALUE    mclk730;
  89 };
  90
  91 typedef union RV7XX_SMC_MCLK_VALUE RV7XX_SMC_MCLK_VALUE, *LPRV7XX_SMC_MCLK_VALUE;
  92
  93 struct 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
 127 typedef struct RV770_SMC_HW_PERFORMANCE_LEVEL RV770_SMC_HW_PERFORMANCE_LEVEL;
 128
 129 struct 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
 138 typedef 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
 145 struct RV770_SMC_VOLTAGEMASKTABLE
 146 {
 147     uint8_t  highMask[RV770_SMC_VOLTAGEMASK_MAX];
 148     uint32_t lowMask[RV770_SMC_VOLTAGEMASK_MAX];
 149 };
 150
 151 typedef struct RV770_SMC_VOLTAGEMASKTABLE RV770_SMC_VOLTAGEMASKTABLE;
 152
 153 #define MAX_NO_VREG_STEPS 32
 154
 155 struct 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
 170 typedef 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
 190 int rv770_copy_bytes_to_smc(struct radeon_device *rdev,
 191                             u16 smc_start_address, const u8 *src,
 192                             u16 byte_count, u16 limit);
 193 void rv770_start_smc(struct radeon_device *rdev);
 194 void rv770_reset_smc(struct radeon_device *rdev);
 195 void rv770_stop_smc_clock(struct radeon_device *rdev);
 196 void rv770_start_smc_clock(struct radeon_device *rdev);
 197 bool rv770_is_smc_running(struct radeon_device *rdev);
 198 PPSMC_Result rv770_send_msg_to_smc(struct radeon_device *rdev, PPSMC_Msg msg);
 199 PPSMC_Result rv770_wait_for_smc_inactive(struct radeon_device *rdev);
 200 int rv770_read_smc_sram_dword(struct radeon_device *rdev,
 201                               u16 smc_address, u32 *value, u16 limit);
 202 int rv770_write_smc_sram_dword(struct radeon_device *rdev,
 203                                u16 smc_address, u32 value, u16 limit);
 204 int rv770_load_smc_ucode(struct radeon_device *rdev,
 205                          u16 limit);
 206
 207 #endif