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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si_dpm.h (6900B)


      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	bool fan_is_controlled_by_smc;
    206};
    207
    208#define SISLANDS_INITIAL_STATE_ARB_INDEX    0
    209#define SISLANDS_ACPI_STATE_ARB_INDEX       1
    210#define SISLANDS_ULV_STATE_ARB_INDEX        2
    211#define SISLANDS_DRIVER_STATE_ARB_INDEX     3
    212
    213#define SISLANDS_DPM2_MAX_PULSE_SKIP        256
    214
    215#define SISLANDS_DPM2_NEAR_TDP_DEC          10
    216#define SISLANDS_DPM2_ABOVE_SAFE_INC        5
    217#define SISLANDS_DPM2_BELOW_SAFE_INC        20
    218
    219#define SISLANDS_DPM2_TDP_SAFE_LIMIT_PERCENT            80
    220
    221#define SISLANDS_DPM2_MAXPS_PERCENT_H                   99
    222#define SISLANDS_DPM2_MAXPS_PERCENT_M                   99
    223
    224#define SISLANDS_DPM2_SQ_RAMP_MAX_POWER                 0x3FFF
    225#define SISLANDS_DPM2_SQ_RAMP_MIN_POWER                 0x12
    226#define SISLANDS_DPM2_SQ_RAMP_MAX_POWER_DELTA           0x15
    227#define SISLANDS_DPM2_SQ_RAMP_STI_SIZE                  0x1E
    228#define SISLANDS_DPM2_SQ_RAMP_LTI_RATIO                 0xF
    229
    230#define SISLANDS_DPM2_PWREFFICIENCYRATIO_MARGIN         10
    231
    232#define SISLANDS_VRC_DFLT                               0xC000B3
    233#define SISLANDS_ULVVOLTAGECHANGEDELAY_DFLT             1687
    234#define SISLANDS_CGULVPARAMETER_DFLT                    0x00040035
    235#define SISLANDS_CGULVCONTROL_DFLT                      0x1f007550
    236
    237u8 si_get_ddr3_mclk_frequency_ratio(u32 memory_clock);
    238u8 si_get_mclk_frequency_ratio(u32 memory_clock, bool strobe_mode);
    239void si_trim_voltage_table_to_fit_state_table(struct radeon_device *rdev,
    240					      u32 max_voltage_steps,
    241					      struct atom_voltage_table *voltage_table);
    242
    243#endif