Release 4.7 drivers/gpu/drm/radeon/cypress_dpm.h
/*
* Copyright 2011 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 __CYPRESS_DPM_H__
#define __CYPRESS_DPM_H__
#include "rv770_dpm.h"
#include "evergreen_smc.h"
struct evergreen_mc_reg_entry {
u32 mclk_max;
u32 mc_data[SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE];
};
struct evergreen_mc_reg_table {
u8 last;
u8 num_entries;
u16 valid_flag;
struct evergreen_mc_reg_entry mc_reg_table_entry[MAX_AC_TIMING_ENTRIES];
SMC_Evergreen_MCRegisterAddress mc_reg_address[SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE];
};
struct evergreen_ulv_param {
bool supported;
struct rv7xx_pl *pl;
};
struct evergreen_arb_registers {
u32 mc_arb_dram_timing;
u32 mc_arb_dram_timing2;
u32 mc_arb_rfsh_rate;
u32 mc_arb_burst_time;
};
struct at {
u32 rlp;
u32 rmp;
u32 lhp;
u32 lmp;
};
struct evergreen_power_info {
/* must be first! */
struct rv7xx_power_info rv7xx;
/* flags */
bool vddci_control;
bool dynamic_ac_timing;
bool abm;
bool mcls;
bool light_sleep;
bool memory_transition;
bool pcie_performance_request;
bool pcie_performance_request_registered;
bool sclk_deep_sleep;
bool dll_default_on;
bool ls_clock_gating;
bool smu_uvd_hs;
bool uvd_enabled;
/* stored values */
u16 acpi_vddci;
u8 mvdd_high_index;
u8 mvdd_low_index;
u32 mclk_edc_wr_enable_threshold;
struct evergreen_mc_reg_table mc_reg_table;
struct atom_voltage_table vddc_voltage_table;
struct atom_voltage_table vddci_voltage_table;
struct evergreen_arb_registers bootup_arb_registers;
struct evergreen_ulv_param ulv;
struct at ats[2];
/* smc offsets */
u16 mc_reg_table_start;
struct radeon_ps current_rps;
struct rv7xx_ps current_ps;
struct radeon_ps requested_rps;
struct rv7xx_ps requested_ps;
};
#define CYPRESS_HASI_DFLT 400000
#define CYPRESS_MGCGTTLOCAL0_DFLT 0x00000000
#define CYPRESS_MGCGTTLOCAL1_DFLT 0x00000000
#define CYPRESS_MGCGTTLOCAL2_DFLT 0x00000000
#define CYPRESS_MGCGTTLOCAL3_DFLT 0x00000000
#define CYPRESS_MGCGCGTSSMCTRL_DFLT 0x81944bc0
#define REDWOOD_MGCGCGTSSMCTRL_DFLT 0x6e944040
#define CEDAR_MGCGCGTSSMCTRL_DFLT 0x46944040
#define CYPRESS_VRC_DFLT 0xC00033
#define PCIE_PERF_REQ_REMOVE_REGISTRY 0
#define PCIE_PERF_REQ_FORCE_LOWPOWER 1
#define PCIE_PERF_REQ_PECI_GEN1 2
#define PCIE_PERF_REQ_PECI_GEN2 3
#define PCIE_PERF_REQ_PECI_GEN3 4
int cypress_convert_power_level_to_smc(struct radeon_device *rdev,
struct rv7xx_pl *pl,
RV770_SMC_HW_PERFORMANCE_LEVEL *level,
u8 watermark_level);
int cypress_populate_smc_acpi_state(struct radeon_device *rdev,
RV770_SMC_STATETABLE *table);
int cypress_populate_smc_voltage_tables(struct radeon_device *rdev,
RV770_SMC_STATETABLE *table);
int cypress_populate_smc_initial_state(struct radeon_device *rdev,
struct radeon_ps *radeon_initial_state,
RV770_SMC_STATETABLE *table);
u32 cypress_calculate_burst_time(struct radeon_device *rdev,
u32 engine_clock, u32 memory_clock);
void cypress_notify_link_speed_change_before_state_change(struct radeon_device *rdev,
struct radeon_ps *radeon_new_state,
struct radeon_ps *radeon_current_state);
int cypress_upload_sw_state(struct radeon_device *rdev,
struct radeon_ps *radeon_new_state);
int cypress_upload_mc_reg_table(struct radeon_device *rdev,
struct radeon_ps *radeon_new_state);
void cypress_program_memory_timing_parameters(struct radeon_device *rdev,
struct radeon_ps *radeon_new_state);
void cypress_notify_link_speed_change_after_state_change(struct radeon_device *rdev,
struct radeon_ps *radeon_new_state,
struct radeon_ps *radeon_current_state);
int cypress_construct_voltage_tables(struct radeon_device *rdev);
int cypress_get_mvdd_configuration(struct radeon_device *rdev);
void cypress_enable_spread_spectrum(struct radeon_device *rdev,
bool enable);
void cypress_enable_display_gap(struct radeon_device *rdev);
int cypress_get_table_locations(struct radeon_device *rdev);
int cypress_populate_mc_reg_table(struct radeon_device *rdev,
struct radeon_ps *radeon_boot_state);
void cypress_program_response_times(struct radeon_device *rdev);
int cypress_notify_smc_display_change(struct radeon_device *rdev,
bool has_display);
void cypress_enable_sclk_control(struct radeon_device *rdev,
bool enable);
void cypress_enable_mclk_control(struct radeon_device *rdev,
bool enable);
void cypress_start_dpm(struct radeon_device *rdev);
void cypress_advertise_gen2_capability(struct radeon_device *rdev);
u32 cypress_map_clkf_to_ibias(struct radeon_device *rdev, u32 clkf);
u8 cypress_get_mclk_frequency_ratio(struct radeon_device *rdev,
u32 memory_clock, bool strobe_mode);
u8 cypress_get_strobe_mode_settings(struct radeon_device *rdev, u32 mclk);
#endif
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