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https://github.com/AuxXxilium/linux_dsm_epyc7002.git
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e8a9539fa0
This properly implemented dynamic state adjustment by using a working copy of the requested and current power states. Signed-off-by: Alex Deucher <alexander.deucher@amd.com>
161 lines
5.9 KiB
C
161 lines
5.9 KiB
C
/*
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* Copyright 2011 Advanced Micro Devices, Inc.
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*
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* Permission is hereby granted, free of charge, to any person obtaining a
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* copy of this software and associated documentation files (the "Software"),
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* to deal in the Software without restriction, including without limitation
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* the rights to use, copy, modify, merge, publish, distribute, sublicense,
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* and/or sell copies of the Software, and to permit persons to whom the
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* Software is furnished to do so, subject to the following conditions:
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*
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* The above copyright notice and this permission notice shall be included in
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* all copies or substantial portions of the Software.
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*
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* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
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* IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
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* FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL
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* THE COPYRIGHT HOLDER(S) OR AUTHOR(S) BE LIABLE FOR ANY CLAIM, DAMAGES OR
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* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE,
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* ARISING FROM, OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR
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* OTHER DEALINGS IN THE SOFTWARE.
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*
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*/
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#ifndef __CYPRESS_DPM_H__
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#define __CYPRESS_DPM_H__
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#include "rv770_dpm.h"
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#include "evergreen_smc.h"
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struct evergreen_mc_reg_entry {
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u32 mclk_max;
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u32 mc_data[SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE];
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};
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struct evergreen_mc_reg_table {
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u8 last;
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u8 num_entries;
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u16 valid_flag;
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struct evergreen_mc_reg_entry mc_reg_table_entry[MAX_AC_TIMING_ENTRIES];
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SMC_Evergreen_MCRegisterAddress mc_reg_address[SMC_EVERGREEN_MC_REGISTER_ARRAY_SIZE];
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};
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struct evergreen_ulv_param {
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bool supported;
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struct rv7xx_pl *pl;
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};
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struct evergreen_arb_registers {
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u32 mc_arb_dram_timing;
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u32 mc_arb_dram_timing2;
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u32 mc_arb_rfsh_rate;
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u32 mc_arb_burst_time;
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};
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struct at {
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u32 rlp;
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u32 rmp;
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u32 lhp;
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u32 lmp;
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};
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struct evergreen_power_info {
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/* must be first! */
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struct rv7xx_power_info rv7xx;
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/* flags */
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bool vddci_control;
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bool dynamic_ac_timing;
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bool abm;
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bool mcls;
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bool light_sleep;
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bool memory_transition;
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bool pcie_performance_request;
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bool pcie_performance_request_registered;
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bool sclk_deep_sleep;
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bool dll_default_on;
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bool ls_clock_gating;
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bool smu_uvd_hs;
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bool uvd_enabled;
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/* stored values */
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u16 acpi_vddci;
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u8 mvdd_high_index;
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u8 mvdd_low_index;
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u32 mclk_edc_wr_enable_threshold;
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struct evergreen_mc_reg_table mc_reg_table;
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struct atom_voltage_table vddc_voltage_table;
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struct atom_voltage_table vddci_voltage_table;
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struct evergreen_arb_registers bootup_arb_registers;
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struct evergreen_ulv_param ulv;
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struct at ats[2];
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/* smc offsets */
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u16 mc_reg_table_start;
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struct radeon_ps current_rps;
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struct rv7xx_ps current_ps;
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struct radeon_ps requested_rps;
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struct rv7xx_ps requested_ps;
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};
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#define CYPRESS_HASI_DFLT 400000
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#define CYPRESS_MGCGTTLOCAL0_DFLT 0x00000000
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#define CYPRESS_MGCGTTLOCAL1_DFLT 0x00000000
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#define CYPRESS_MGCGTTLOCAL2_DFLT 0x00000000
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#define CYPRESS_MGCGTTLOCAL3_DFLT 0x00000000
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#define CYPRESS_MGCGCGTSSMCTRL_DFLT 0x81944bc0
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#define REDWOOD_MGCGCGTSSMCTRL_DFLT 0x6e944040
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#define CEDAR_MGCGCGTSSMCTRL_DFLT 0x46944040
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#define CYPRESS_VRC_DFLT 0xC00033
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#define PCIE_PERF_REQ_REMOVE_REGISTRY 0
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#define PCIE_PERF_REQ_FORCE_LOWPOWER 1
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#define PCIE_PERF_REQ_PECI_GEN1 2
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#define PCIE_PERF_REQ_PECI_GEN2 3
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#define PCIE_PERF_REQ_PECI_GEN3 4
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int cypress_convert_power_level_to_smc(struct radeon_device *rdev,
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struct rv7xx_pl *pl,
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RV770_SMC_HW_PERFORMANCE_LEVEL *level,
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u8 watermark_level);
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int cypress_populate_smc_acpi_state(struct radeon_device *rdev,
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RV770_SMC_STATETABLE *table);
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int cypress_populate_smc_voltage_tables(struct radeon_device *rdev,
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RV770_SMC_STATETABLE *table);
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int cypress_populate_smc_initial_state(struct radeon_device *rdev,
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struct radeon_ps *radeon_initial_state,
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RV770_SMC_STATETABLE *table);
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u32 cypress_calculate_burst_time(struct radeon_device *rdev,
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u32 engine_clock, u32 memory_clock);
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void cypress_notify_link_speed_change_before_state_change(struct radeon_device *rdev,
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struct radeon_ps *radeon_new_state,
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struct radeon_ps *radeon_current_state);
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int cypress_upload_sw_state(struct radeon_device *rdev,
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struct radeon_ps *radeon_new_state);
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int cypress_upload_mc_reg_table(struct radeon_device *rdev,
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struct radeon_ps *radeon_new_state);
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void cypress_program_memory_timing_parameters(struct radeon_device *rdev,
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struct radeon_ps *radeon_new_state);
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void cypress_notify_link_speed_change_after_state_change(struct radeon_device *rdev,
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struct radeon_ps *radeon_new_state,
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struct radeon_ps *radeon_current_state);
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int cypress_construct_voltage_tables(struct radeon_device *rdev);
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int cypress_get_mvdd_configuration(struct radeon_device *rdev);
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void cypress_enable_spread_spectrum(struct radeon_device *rdev,
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bool enable);
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void cypress_enable_display_gap(struct radeon_device *rdev);
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int cypress_get_table_locations(struct radeon_device *rdev);
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int cypress_populate_mc_reg_table(struct radeon_device *rdev,
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struct radeon_ps *radeon_boot_state);
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void cypress_program_response_times(struct radeon_device *rdev);
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int cypress_notify_smc_display_change(struct radeon_device *rdev,
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bool has_display);
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void cypress_enable_sclk_control(struct radeon_device *rdev,
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bool enable);
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void cypress_enable_mclk_control(struct radeon_device *rdev,
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bool enable);
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void cypress_start_dpm(struct radeon_device *rdev);
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void cypress_advertise_gen2_capability(struct radeon_device *rdev);
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u32 cypress_map_clkf_to_ibias(struct radeon_device *rdev, u32 clkf);
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u8 cypress_get_mclk_frequency_ratio(struct radeon_device *rdev,
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u32 memory_clock, bool strobe_mode);
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u8 cypress_get_strobe_mode_settings(struct radeon_device *rdev, u32 mclk);
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#endif
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