linux-stable/drivers/gpu/drm/radeon/si_dpm.h
Alex Deucher 5e8150a687 drm/radeon: bind fan control on SI cards to hwmon interface
This adds a possibility to control fan on SI parts
via exported hwmon variables. Note that automatic
ucode fan management pauses if you choose to enable
manual fan control.  Use with caution!

Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
2015-01-22 10:38:48 -05:00

238 lines
6.5 KiB
C

/*
* Copyright 2012 Advanced Micro Devices, Inc.
*
* Permission is hereby granted, free of charge, to any person obtaining a
* copy of this software and associated documentation files (the "Software"),
* to deal in the Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute, sublicense,
* and/or sell copies of the Software, and to permit persons to whom the
* Software is furnished to do so, subject to the following conditions:
*
* The above copyright notice and this permission notice shall be included in
* all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
* OTHER DEALINGS IN THE SOFTWARE.
*
*/
#ifndef __SI_DPM_H__
#define __SI_DPM_H__
#include "ni_dpm.h"
#include "sislands_smc.h"
enum si_cac_config_reg_type
{
SISLANDS_CACCONFIG_MMR = 0,
SISLANDS_CACCONFIG_CGIND,
SISLANDS_CACCONFIG_MAX
};
struct si_cac_config_reg
{
u32 offset;
u32 mask;
u32 shift;
u32 value;
enum si_cac_config_reg_type type;
};
struct si_powertune_data
{
u32 cac_window;
u32 l2_lta_window_size_default;
u8 lts_truncate_default;
u8 shift_n_default;
u8 operating_temp;
struct ni_leakage_coeffients leakage_coefficients;
u32 fixed_kt;
u32 lkge_lut_v0_percent;
u8 dc_cac[NISLANDS_DCCAC_MAX_LEVELS];
bool enable_powertune_by_default;
};
struct si_dyn_powertune_data
{
u32 cac_leakage;
s32 leakage_minimum_temperature;
u32 wintime;
u32 l2_lta_window_size;
u8 lts_truncate;
u8 shift_n;
u8 dc_pwr_value;
bool disable_uvd_powertune;
};
struct si_dte_data
{
u32 tau[SMC_SISLANDS_DTE_MAX_FILTER_STAGES];
u32 r[SMC_SISLANDS_DTE_MAX_FILTER_STAGES];
u32 k;
u32 t0;
u32 max_t;
u8 window_size;
u8 temp_select;
u8 dte_mode;
u8 tdep_count;
u8 t_limits[SMC_SISLANDS_DTE_MAX_TEMPERATURE_DEPENDENT_ARRAY_SIZE];
u32 tdep_tau[SMC_SISLANDS_DTE_MAX_TEMPERATURE_DEPENDENT_ARRAY_SIZE];
u32 tdep_r[SMC_SISLANDS_DTE_MAX_TEMPERATURE_DEPENDENT_ARRAY_SIZE];
u32 t_threshold;
bool enable_dte_by_default;
};
struct si_clock_registers {
u32 cg_spll_func_cntl;
u32 cg_spll_func_cntl_2;
u32 cg_spll_func_cntl_3;
u32 cg_spll_func_cntl_4;
u32 cg_spll_spread_spectrum;
u32 cg_spll_spread_spectrum_2;
u32 dll_cntl;
u32 mclk_pwrmgt_cntl;
u32 mpll_ad_func_cntl;
u32 mpll_dq_func_cntl;
u32 mpll_func_cntl;
u32 mpll_func_cntl_1;
u32 mpll_func_cntl_2;
u32 mpll_ss1;
u32 mpll_ss2;
};
struct si_mc_reg_entry {
u32 mclk_max;
u32 mc_data[SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE];
};
struct si_mc_reg_table {
u8 last;
u8 num_entries;
u16 valid_flag;
struct si_mc_reg_entry mc_reg_table_entry[MAX_AC_TIMING_ENTRIES];
SMC_NIslands_MCRegisterAddress mc_reg_address[SMC_SISLANDS_MC_REGISTER_ARRAY_SIZE];
};
#define SISLANDS_MCREGISTERTABLE_INITIAL_SLOT 0
#define SISLANDS_MCREGISTERTABLE_ACPI_SLOT 1
#define SISLANDS_MCREGISTERTABLE_ULV_SLOT 2
#define SISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT 3
struct si_leakage_voltage_entry
{
u16 voltage;
u16 leakage_index;
};
#define SISLANDS_LEAKAGE_INDEX0 0xff01
#define SISLANDS_MAX_LEAKAGE_COUNT 4
struct si_leakage_voltage
{
u16 count;
struct si_leakage_voltage_entry entries[SISLANDS_MAX_LEAKAGE_COUNT];
};
#define SISLANDS_MAX_HARDWARE_POWERLEVELS 5
struct si_ulv_param {
bool supported;
u32 cg_ulv_control;
u32 cg_ulv_parameter;
u32 volt_change_delay;
struct rv7xx_pl pl;
bool one_pcie_lane_in_ulv;
};
struct si_power_info {
/* must be first! */
struct ni_power_info ni;
struct si_clock_registers clock_registers;
struct si_mc_reg_table mc_reg_table;
struct atom_voltage_table mvdd_voltage_table;
struct atom_voltage_table vddc_phase_shed_table;
struct si_leakage_voltage leakage_voltage;
u16 mvdd_bootup_value;
struct si_ulv_param ulv;
u32 max_cu;
/* pcie gen */
enum radeon_pcie_gen force_pcie_gen;
enum radeon_pcie_gen boot_pcie_gen;
enum radeon_pcie_gen acpi_pcie_gen;
u32 sys_pcie_mask;
/* flags */
bool enable_dte;
bool enable_ppm;
bool vddc_phase_shed_control;
bool pspp_notify_required;
bool sclk_deep_sleep_above_low;
bool voltage_control_svi2;
bool vddci_control_svi2;
/* smc offsets */
u32 sram_end;
u32 state_table_start;
u32 soft_regs_start;
u32 mc_reg_table_start;
u32 arb_table_start;
u32 cac_table_start;
u32 dte_table_start;
u32 spll_table_start;
u32 papm_cfg_table_start;
u32 fan_table_start;
/* CAC stuff */
const struct si_cac_config_reg *cac_weights;
const struct si_cac_config_reg *lcac_config;
const struct si_cac_config_reg *cac_override;
const struct si_powertune_data *powertune_data;
struct si_dyn_powertune_data dyn_powertune_data;
/* DTE stuff */
struct si_dte_data dte_data;
/* scratch structs */
SMC_SIslands_MCRegisters smc_mc_reg_table;
SISLANDS_SMC_STATETABLE smc_statetable;
PP_SIslands_PAPMParameters papm_parm;
/* SVI2 */
u8 svd_gpio_id;
u8 svc_gpio_id;
/* fan control */
bool fan_ctrl_is_in_default_mode;
u32 t_min;
u32 fan_ctrl_default_mode;
bool fan_is_controlled_by_smc;
};
#define SISLANDS_INITIAL_STATE_ARB_INDEX 0
#define SISLANDS_ACPI_STATE_ARB_INDEX 1
#define SISLANDS_ULV_STATE_ARB_INDEX 2
#define SISLANDS_DRIVER_STATE_ARB_INDEX 3
#define SISLANDS_DPM2_MAX_PULSE_SKIP 256
#define SISLANDS_DPM2_NEAR_TDP_DEC 10
#define SISLANDS_DPM2_ABOVE_SAFE_INC 5
#define SISLANDS_DPM2_BELOW_SAFE_INC 20
#define SISLANDS_DPM2_TDP_SAFE_LIMIT_PERCENT 80
#define SISLANDS_DPM2_MAXPS_PERCENT_H 99
#define SISLANDS_DPM2_MAXPS_PERCENT_M 99
#define SISLANDS_DPM2_SQ_RAMP_MAX_POWER 0x3FFF
#define SISLANDS_DPM2_SQ_RAMP_MIN_POWER 0x12
#define SISLANDS_DPM2_SQ_RAMP_MAX_POWER_DELTA 0x15
#define SISLANDS_DPM2_SQ_RAMP_STI_SIZE 0x1E
#define SISLANDS_DPM2_SQ_RAMP_LTI_RATIO 0xF
#define SISLANDS_DPM2_PWREFFICIENCYRATIO_MARGIN 10
#define SISLANDS_VRC_DFLT 0xC000B3
#define SISLANDS_ULVVOLTAGECHANGEDELAY_DFLT 1687
#define SISLANDS_CGULVPARAMETER_DFLT 0x00040035
#define SISLANDS_CGULVCONTROL_DFLT 0x1f007550
#endif