linux/drivers/gpu/drm/radeon/si_dpm.h
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   1/*
   2 * Copyright 2012 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 __SI_DPM_H__
  24#define __SI_DPM_H__
  25
  26#include "ni_dpm.h"
  27#include "sislands_smc.h"
  28
  29enum si_cac_config_reg_type
  30{
  31        SISLANDS_CACCONFIG_MMR = 0,
  32        SISLANDS_CACCONFIG_CGIND,
  33        SISLANDS_CACCONFIG_MAX
  34};
  35
  36struct si_cac_config_reg
  37{
  38        u32 offset;
  39        u32 mask;
  40        u32 shift;
  41        u32 value;
  42        enum si_cac_config_reg_type type;
  43};
  44
  45struct si_powertune_data
  46{
  47        u32 cac_window;
  48        u32 l2_lta_window_size_default;
  49        u8 lts_truncate_default;
  50        u8 shift_n_default;
  51        u8 operating_temp;
  52        struct ni_leakage_coeffients leakage_coefficients;
  53        u32 fixed_kt;
  54        u32 lkge_lut_v0_percent;
  55        u8 dc_cac[NISLANDS_DCCAC_MAX_LEVELS];
  56        bool enable_powertune_by_default;
  57};
  58
  59struct si_dyn_powertune_data
  60{
  61        u32 cac_leakage;
  62        s32 leakage_minimum_temperature;
  63        u32 wintime;
  64        u32 l2_lta_window_size;
  65        u8 lts_truncate;
  66        u8 shift_n;
  67        u8 dc_pwr_value;
  68        bool disable_uvd_powertune;
  69};
  70
  71struct si_dte_data
  72{
  73        u32 tau[SMC_SISLANDS_DTE_MAX_FILTER_STAGES];
  74        u32 r[SMC_SISLANDS_DTE_MAX_FILTER_STAGES];
  75        u32 k;
  76        u32 t0;
  77        u32 max_t;
  78        u8 window_size;
  79        u8 temp_select;
  80        u8 dte_mode;
  81        u8 tdep_count;
  82        u8 t_limits[SMC_SISLANDS_DTE_MAX_TEMPERATURE_DEPENDENT_ARRAY_SIZE];
  83        u32 tdep_tau[SMC_SISLANDS_DTE_MAX_TEMPERATURE_DEPENDENT_ARRAY_SIZE];
  84        u32 tdep_r[SMC_SISLANDS_DTE_MAX_TEMPERATURE_DEPENDENT_ARRAY_SIZE];
  85        u32 t_threshold;
  86        bool enable_dte_by_default;
  87};
  88
  89struct si_clock_registers {
  90        u32 cg_spll_func_cntl;
  91        u32 cg_spll_func_cntl_2;
  92        u32 cg_spll_func_cntl_3;
  93        u32 cg_spll_func_cntl_4;
  94        u32 cg_spll_spread_spectrum;
  95        u32 cg_spll_spread_spectrum_2;
  96        u32 dll_cntl;
  97        u32 mclk_pwrmgt_cntl;
  98        u32 mpll_ad_func_cntl;
  99        u32 mpll_dq_func_cntl;
 100        u32 mpll_func_cntl;
 101        u32 mpll_func_cntl_1;
 102        u32 mpll_func_cntl_2;
 103        u32 mpll_ss1;
 104        u32 mpll_ss2;
 105};
 106
 107struct si_mc_reg_entry {
 108        u32 mclk_max;
 109        u32 mc_data[SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE];
 110};
 111
 112struct si_mc_reg_table {
 113        u8 last;
 114        u8 num_entries;
 115        u16 valid_flag;
 116        struct si_mc_reg_entry mc_reg_table_entry[MAX_AC_TIMING_ENTRIES];
 117        SMC_NIslands_MCRegisterAddress mc_reg_address[SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE];
 118};
 119
 120#define SISLANDS_MCREGISTERTABLE_INITIAL_SLOT               0
 121#define SISLANDS_MCREGISTERTABLE_ACPI_SLOT                  1
 122#define SISLANDS_MCREGISTERTABLE_ULV_SLOT                   2
 123#define SISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT     3
 124
 125struct si_leakage_voltage_entry
 126{
 127        u16 voltage;
 128        u16 leakage_index;
 129};
 130
 131#define SISLANDS_LEAKAGE_INDEX0     0xff01
 132#define SISLANDS_MAX_LEAKAGE_COUNT  4
 133
 134struct si_leakage_voltage
 135{
 136        u16 count;
 137        struct si_leakage_voltage_entry entries[SISLANDS_MAX_LEAKAGE_COUNT];
 138};
 139
 140#define SISLANDS_MAX_HARDWARE_POWERLEVELS 5
 141
 142struct si_ulv_param {
 143        bool supported;
 144        u32 cg_ulv_control;
 145        u32 cg_ulv_parameter;
 146        u32 volt_change_delay;
 147        struct rv7xx_pl pl;
 148        bool one_pcie_lane_in_ulv;
 149};
 150
 151struct si_power_info {
 152        /* must be first! */
 153        struct ni_power_info ni;
 154        struct si_clock_registers clock_registers;
 155        struct si_mc_reg_table mc_reg_table;
 156        struct atom_voltage_table mvdd_voltage_table;
 157        struct atom_voltage_table vddc_phase_shed_table;
 158        struct si_leakage_voltage leakage_voltage;
 159        u16 mvdd_bootup_value;
 160        struct si_ulv_param ulv;
 161        u32 max_cu;
 162        /* pcie gen */
 163        enum radeon_pcie_gen force_pcie_gen;
 164        enum radeon_pcie_gen boot_pcie_gen;
 165        enum radeon_pcie_gen acpi_pcie_gen;
 166        u32 sys_pcie_mask;
 167        /* flags */
 168        bool enable_dte;
 169        bool enable_ppm;
 170        bool vddc_phase_shed_control;
 171        bool pspp_notify_required;
 172        bool sclk_deep_sleep_above_low;
 173        bool voltage_control_svi2;
 174        bool vddci_control_svi2;
 175        /* smc offsets */
 176        u32 sram_end;
 177        u32 state_table_start;
 178        u32 soft_regs_start;
 179        u32 mc_reg_table_start;
 180        u32 arb_table_start;
 181        u32 cac_table_start;
 182        u32 dte_table_start;
 183        u32 spll_table_start;
 184        u32 papm_cfg_table_start;
 185        u32 fan_table_start;
 186        /* CAC stuff */
 187        const struct si_cac_config_reg *cac_weights;
 188        const struct si_cac_config_reg *lcac_config;
 189        const struct si_cac_config_reg *cac_override;
 190        const struct si_powertune_data *powertune_data;
 191        struct si_dyn_powertune_data dyn_powertune_data;
 192        /* DTE stuff */
 193        struct si_dte_data dte_data;
 194        /* scratch structs */
 195        SMC_SIslands_MCRegisters smc_mc_reg_table;
 196        SISLANDS_SMC_STATETABLE smc_statetable;
 197        PP_SIslands_PAPMParameters papm_parm;
 198        /* SVI2 */
 199        u8 svd_gpio_id;
 200        u8 svc_gpio_id;
 201        /* fan control */
 202        bool fan_ctrl_is_in_default_mode;
 203        u32 t_min;
 204        u32 fan_ctrl_default_mode;
 205};
 206
 207#define SISLANDS_INITIAL_STATE_ARB_INDEX    0
 208#define SISLANDS_ACPI_STATE_ARB_INDEX       1
 209#define SISLANDS_ULV_STATE_ARB_INDEX        2
 210#define SISLANDS_DRIVER_STATE_ARB_INDEX     3
 211
 212#define SISLANDS_DPM2_MAX_PULSE_SKIP        256
 213
 214#define SISLANDS_DPM2_NEAR_TDP_DEC          10
 215#define SISLANDS_DPM2_ABOVE_SAFE_INC        5
 216#define SISLANDS_DPM2_BELOW_SAFE_INC        20
 217
 218#define SISLANDS_DPM2_TDP_SAFE_LIMIT_PERCENT            80
 219
 220#define SISLANDS_DPM2_MAXPS_PERCENT_H                   99
 221#define SISLANDS_DPM2_MAXPS_PERCENT_M                   99
 222
 223#define SISLANDS_DPM2_SQ_RAMP_MAX_POWER                 0x3FFF
 224#define SISLANDS_DPM2_SQ_RAMP_MIN_POWER                 0x12
 225#define SISLANDS_DPM2_SQ_RAMP_MAX_POWER_DELTA           0x15
 226#define SISLANDS_DPM2_SQ_RAMP_STI_SIZE                  0x1E
 227#define SISLANDS_DPM2_SQ_RAMP_LTI_RATIO                 0xF
 228
 229#define SISLANDS_DPM2_PWREFFICIENCYRATIO_MARGIN         10
 230
 231#define SISLANDS_VRC_DFLT                               0xC000B3
 232#define SISLANDS_ULVVOLTAGECHANGEDELAY_DFLT             1687
 233#define SISLANDS_CGULVPARAMETER_DFLT                    0x00040035
 234#define SISLANDS_CGULVCONTROL_DFLT                      0x1f007550
 235
 236
 237#endif
 238