cachepc-linux

Fork of AMDESE/linux with modifications for CachePC side-channel attack
git clone https://git.sinitax.com/sinitax/cachepc-linux
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ci_dpm.h (9920B)


      1/*
      2 * Copyright 2013 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 __CI_DPM_H__
     24#define __CI_DPM_H__
     25
     26#include "ppsmc.h"
     27#include "radeon.h"
     28
     29#define SMU__NUM_SCLK_DPM_STATE  8
     30#define SMU__NUM_MCLK_DPM_LEVELS 6
     31#define SMU__NUM_LCLK_DPM_LEVELS 8
     32#define SMU__NUM_PCIE_DPM_LEVELS 8
     33#include "smu7_discrete.h"
     34
     35#define CISLANDS_MAX_HARDWARE_POWERLEVELS 2
     36
     37#define CISLANDS_UNUSED_GPIO_PIN 0x7F
     38
     39struct ci_pl {
     40	u32 mclk;
     41	u32 sclk;
     42	enum radeon_pcie_gen pcie_gen;
     43	u16 pcie_lane;
     44};
     45
     46struct ci_ps {
     47	u16 performance_level_count;
     48	bool dc_compatible;
     49	u32 sclk_t;
     50	struct ci_pl performance_levels[CISLANDS_MAX_HARDWARE_POWERLEVELS];
     51};
     52
     53struct ci_dpm_level {
     54	bool enabled;
     55	u32 value;
     56	u32 param1;
     57};
     58
     59#define CISLAND_MAX_DEEPSLEEP_DIVIDER_ID 5
     60#define MAX_REGULAR_DPM_NUMBER 8
     61#define CISLAND_MINIMUM_ENGINE_CLOCK 800
     62
     63struct ci_single_dpm_table {
     64	u32 count;
     65	struct ci_dpm_level dpm_levels[MAX_REGULAR_DPM_NUMBER];
     66};
     67
     68struct ci_dpm_table {
     69	struct ci_single_dpm_table sclk_table;
     70	struct ci_single_dpm_table mclk_table;
     71	struct ci_single_dpm_table pcie_speed_table;
     72	struct ci_single_dpm_table vddc_table;
     73	struct ci_single_dpm_table vddci_table;
     74	struct ci_single_dpm_table mvdd_table;
     75};
     76
     77struct ci_mc_reg_entry {
     78	u32 mclk_max;
     79	u32 mc_data[SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE];
     80};
     81
     82struct ci_mc_reg_table {
     83	u8 last;
     84	u8 num_entries;
     85	u16 valid_flag;
     86	struct ci_mc_reg_entry mc_reg_table_entry[MAX_AC_TIMING_ENTRIES];
     87	SMU7_Discrete_MCRegisterAddress mc_reg_address[SMU7_DISCRETE_MC_REGISTER_ARRAY_SIZE];
     88};
     89
     90struct ci_ulv_parm
     91{
     92	bool supported;
     93	u32 cg_ulv_parameter;
     94	u32 volt_change_delay;
     95	struct ci_pl pl;
     96};
     97
     98#define CISLANDS_MAX_LEAKAGE_COUNT  8
     99
    100struct ci_leakage_voltage {
    101	u16 count;
    102	u16 leakage_id[CISLANDS_MAX_LEAKAGE_COUNT];
    103	u16 actual_voltage[CISLANDS_MAX_LEAKAGE_COUNT];
    104};
    105
    106struct ci_dpm_level_enable_mask {
    107	u32 uvd_dpm_enable_mask;
    108	u32 vce_dpm_enable_mask;
    109	u32 acp_dpm_enable_mask;
    110	u32 samu_dpm_enable_mask;
    111	u32 sclk_dpm_enable_mask;
    112	u32 mclk_dpm_enable_mask;
    113	u32 pcie_dpm_enable_mask;
    114};
    115
    116struct ci_vbios_boot_state
    117{
    118	u16 mvdd_bootup_value;
    119	u16 vddc_bootup_value;
    120	u16 vddci_bootup_value;
    121	u32 sclk_bootup_value;
    122	u32 mclk_bootup_value;
    123	u16 pcie_gen_bootup_value;
    124	u16 pcie_lane_bootup_value;
    125};
    126
    127struct ci_clock_registers {
    128	u32 cg_spll_func_cntl;
    129	u32 cg_spll_func_cntl_2;
    130	u32 cg_spll_func_cntl_3;
    131	u32 cg_spll_func_cntl_4;
    132	u32 cg_spll_spread_spectrum;
    133	u32 cg_spll_spread_spectrum_2;
    134	u32 dll_cntl;
    135	u32 mclk_pwrmgt_cntl;
    136	u32 mpll_ad_func_cntl;
    137	u32 mpll_dq_func_cntl;
    138	u32 mpll_func_cntl;
    139	u32 mpll_func_cntl_1;
    140	u32 mpll_func_cntl_2;
    141	u32 mpll_ss1;
    142	u32 mpll_ss2;
    143};
    144
    145struct ci_thermal_temperature_setting {
    146	s32 temperature_low;
    147	s32 temperature_high;
    148	s32 temperature_shutdown;
    149};
    150
    151struct ci_pcie_perf_range {
    152	u16 max;
    153	u16 min;
    154};
    155
    156enum ci_pt_config_reg_type {
    157	CISLANDS_CONFIGREG_MMR = 0,
    158	CISLANDS_CONFIGREG_SMC_IND,
    159	CISLANDS_CONFIGREG_DIDT_IND,
    160	CISLANDS_CONFIGREG_CACHE,
    161	CISLANDS_CONFIGREG_MAX
    162};
    163
    164#define POWERCONTAINMENT_FEATURE_BAPM            0x00000001
    165#define POWERCONTAINMENT_FEATURE_TDCLimit        0x00000002
    166#define POWERCONTAINMENT_FEATURE_PkgPwrLimit     0x00000004
    167
    168struct ci_pt_config_reg {
    169	u32 offset;
    170	u32 mask;
    171	u32 shift;
    172	u32 value;
    173	enum ci_pt_config_reg_type type;
    174};
    175
    176struct ci_pt_defaults {
    177	u8 svi_load_line_en;
    178	u8 svi_load_line_vddc;
    179	u8 tdc_vddc_throttle_release_limit_perc;
    180	u8 tdc_mawt;
    181	u8 tdc_waterfall_ctl;
    182	u8 dte_ambient_temp_base;
    183	u32 display_cac;
    184	u32 bapm_temp_gradient;
    185	u16 bapmti_r[SMU7_DTE_ITERATIONS * SMU7_DTE_SOURCES * SMU7_DTE_SINKS];
    186	u16 bapmti_rc[SMU7_DTE_ITERATIONS * SMU7_DTE_SOURCES * SMU7_DTE_SINKS];
    187};
    188
    189#define DPMTABLE_OD_UPDATE_SCLK     0x00000001
    190#define DPMTABLE_OD_UPDATE_MCLK     0x00000002
    191#define DPMTABLE_UPDATE_SCLK        0x00000004
    192#define DPMTABLE_UPDATE_MCLK        0x00000008
    193
    194struct ci_power_info {
    195	struct ci_dpm_table dpm_table;
    196	u32 voltage_control;
    197	u32 mvdd_control;
    198	u32 vddci_control;
    199	u32 active_auto_throttle_sources;
    200	struct ci_clock_registers clock_registers;
    201	u16 acpi_vddc;
    202	u16 acpi_vddci;
    203	enum radeon_pcie_gen force_pcie_gen;
    204	enum radeon_pcie_gen acpi_pcie_gen;
    205	struct ci_leakage_voltage vddc_leakage;
    206	struct ci_leakage_voltage vddci_leakage;
    207	u16 max_vddc_in_pp_table;
    208	u16 min_vddc_in_pp_table;
    209	u16 max_vddci_in_pp_table;
    210	u16 min_vddci_in_pp_table;
    211	u32 mclk_strobe_mode_threshold;
    212	u32 mclk_stutter_mode_threshold;
    213	u32 mclk_edc_enable_threshold;
    214	u32 mclk_edc_wr_enable_threshold;
    215	struct ci_vbios_boot_state vbios_boot_state;
    216	/* smc offsets */
    217	u32 sram_end;
    218	u32 dpm_table_start;
    219	u32 soft_regs_start;
    220	u32 mc_reg_table_start;
    221	u32 fan_table_start;
    222	u32 arb_table_start;
    223	/* smc tables */
    224	SMU7_Discrete_DpmTable smc_state_table;
    225	SMU7_Discrete_MCRegisters smc_mc_reg_table;
    226	SMU7_Discrete_PmFuses smc_powertune_table;
    227	/* other stuff */
    228	struct ci_mc_reg_table mc_reg_table;
    229	struct atom_voltage_table vddc_voltage_table;
    230	struct atom_voltage_table vddci_voltage_table;
    231	struct atom_voltage_table mvdd_voltage_table;
    232	struct ci_ulv_parm ulv;
    233	u32 power_containment_features;
    234	const struct ci_pt_defaults *powertune_defaults;
    235	u32 dte_tj_offset;
    236	bool vddc_phase_shed_control;
    237	struct ci_thermal_temperature_setting thermal_temp_setting;
    238	struct ci_dpm_level_enable_mask dpm_level_enable_mask;
    239	u32 need_update_smu7_dpm_table;
    240	u32 sclk_dpm_key_disabled;
    241	u32 mclk_dpm_key_disabled;
    242	u32 pcie_dpm_key_disabled;
    243	u32 thermal_sclk_dpm_enabled;
    244	struct ci_pcie_perf_range pcie_gen_performance;
    245	struct ci_pcie_perf_range pcie_lane_performance;
    246	struct ci_pcie_perf_range pcie_gen_powersaving;
    247	struct ci_pcie_perf_range pcie_lane_powersaving;
    248	u32 activity_target[SMU7_MAX_LEVELS_GRAPHICS];
    249	u32 mclk_activity_target;
    250	u32 low_sclk_interrupt_t;
    251	u32 last_mclk_dpm_enable_mask;
    252	u32 sys_pcie_mask;
    253	/* caps */
    254	bool caps_power_containment;
    255	bool caps_cac;
    256	bool caps_sq_ramping;
    257	bool caps_db_ramping;
    258	bool caps_td_ramping;
    259	bool caps_tcp_ramping;
    260	bool caps_fps;
    261	bool caps_sclk_ds;
    262	bool caps_sclk_ss_support;
    263	bool caps_mclk_ss_support;
    264	bool caps_uvd_dpm;
    265	bool caps_vce_dpm;
    266	bool caps_samu_dpm;
    267	bool caps_acp_dpm;
    268	bool caps_automatic_dc_transition;
    269	bool caps_sclk_throttle_low_notification;
    270	bool caps_dynamic_ac_timing;
    271	bool caps_od_fuzzy_fan_control_support;
    272	/* flags */
    273	bool thermal_protection;
    274	bool pcie_performance_request;
    275	bool dynamic_ss;
    276	bool dll_default_on;
    277	bool cac_enabled;
    278	bool uvd_enabled;
    279	bool battery_state;
    280	bool pspp_notify_required;
    281	bool mem_gddr5;
    282	bool enable_bapm_feature;
    283	bool enable_tdc_limit_feature;
    284	bool enable_pkg_pwr_tracking_feature;
    285	bool use_pcie_performance_levels;
    286	bool use_pcie_powersaving_levels;
    287	bool uvd_power_gated;
    288	/* driver states */
    289	struct radeon_ps current_rps;
    290	struct ci_ps current_ps;
    291	struct radeon_ps requested_rps;
    292	struct ci_ps requested_ps;
    293	/* fan control */
    294	bool fan_ctrl_is_in_default_mode;
    295	bool fan_is_controlled_by_smc;
    296	u32 t_min;
    297	u32 fan_ctrl_default_mode;
    298};
    299
    300#define CISLANDS_VOLTAGE_CONTROL_NONE                   0x0
    301#define CISLANDS_VOLTAGE_CONTROL_BY_GPIO                0x1
    302#define CISLANDS_VOLTAGE_CONTROL_BY_SVID2               0x2
    303
    304#define CISLANDS_Q88_FORMAT_CONVERSION_UNIT             256
    305
    306#define CISLANDS_VRC_DFLT0                              0x3FFFC000
    307#define CISLANDS_VRC_DFLT1                              0x000400
    308#define CISLANDS_VRC_DFLT2                              0xC00080
    309#define CISLANDS_VRC_DFLT3                              0xC00200
    310#define CISLANDS_VRC_DFLT4                              0xC01680
    311#define CISLANDS_VRC_DFLT5                              0xC00033
    312#define CISLANDS_VRC_DFLT6                              0xC00033
    313#define CISLANDS_VRC_DFLT7                              0x3FFFC000
    314
    315#define CISLANDS_CGULVPARAMETER_DFLT                    0x00040035
    316#define CISLAND_TARGETACTIVITY_DFLT                     30
    317#define CISLAND_MCLK_TARGETACTIVITY_DFLT                10
    318
    319#define PCIE_PERF_REQ_REMOVE_REGISTRY   0
    320#define PCIE_PERF_REQ_FORCE_LOWPOWER    1
    321#define PCIE_PERF_REQ_PECI_GEN1         2
    322#define PCIE_PERF_REQ_PECI_GEN2         3
    323#define PCIE_PERF_REQ_PECI_GEN3         4
    324
    325int ci_copy_bytes_to_smc(struct radeon_device *rdev,
    326			 u32 smc_start_address,
    327			 const u8 *src, u32 byte_count, u32 limit);
    328void ci_start_smc(struct radeon_device *rdev);
    329void ci_reset_smc(struct radeon_device *rdev);
    330int ci_program_jump_on_start(struct radeon_device *rdev);
    331void ci_stop_smc_clock(struct radeon_device *rdev);
    332void ci_start_smc_clock(struct radeon_device *rdev);
    333bool ci_is_smc_running(struct radeon_device *rdev);
    334PPSMC_Result ci_wait_for_smc_inactive(struct radeon_device *rdev);
    335int ci_load_smc_ucode(struct radeon_device *rdev, u32 limit);
    336int ci_read_smc_sram_dword(struct radeon_device *rdev,
    337			   u32 smc_address, u32 *value, u32 limit);
    338int ci_write_smc_sram_dword(struct radeon_device *rdev,
    339			    u32 smc_address, u32 value, u32 limit);
    340
    341#endif