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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kv_dpm.h (5987B)


      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 __KV_DPM_H__
     24#define __KV_DPM_H__
     25
     26#define SMU__NUM_SCLK_DPM_STATE  8
     27#define SMU__NUM_MCLK_DPM_LEVELS 4
     28#define SMU__NUM_LCLK_DPM_LEVELS 8
     29#define SMU__NUM_PCIE_DPM_LEVELS 0 /* ??? */
     30#include "smu7_fusion.h"
     31#include "ppsmc.h"
     32
     33#define SUMO_MAX_HARDWARE_POWERLEVELS 5
     34
     35#define SUMO_MAX_NUMBER_VOLTAGES    4
     36
     37struct sumo_vid_mapping_entry {
     38	u16 vid_2bit;
     39	u16 vid_7bit;
     40};
     41
     42struct sumo_vid_mapping_table {
     43	u32 num_entries;
     44	struct sumo_vid_mapping_entry entries[SUMO_MAX_NUMBER_VOLTAGES];
     45};
     46
     47struct sumo_sclk_voltage_mapping_entry {
     48	u32 sclk_frequency;
     49	u16 vid_2bit;
     50	u16 rsv;
     51};
     52
     53struct sumo_sclk_voltage_mapping_table {
     54	u32 num_max_dpm_entries;
     55	struct sumo_sclk_voltage_mapping_entry entries[SUMO_MAX_HARDWARE_POWERLEVELS];
     56};
     57
     58#define TRINITY_AT_DFLT            30
     59
     60#define KV_NUM_NBPSTATES   4
     61
     62enum kv_pt_config_reg_type {
     63	KV_CONFIGREG_MMR = 0,
     64	KV_CONFIGREG_SMC_IND,
     65	KV_CONFIGREG_DIDT_IND,
     66	KV_CONFIGREG_CACHE,
     67	KV_CONFIGREG_MAX
     68};
     69
     70struct kv_pt_config_reg {
     71	u32 offset;
     72	u32 mask;
     73	u32 shift;
     74	u32 value;
     75	enum kv_pt_config_reg_type type;
     76};
     77
     78struct kv_lcac_config_values {
     79	u32 block_id;
     80	u32 signal_id;
     81	u32 t;
     82};
     83
     84struct kv_lcac_config_reg {
     85	u32 cntl;
     86	u32 block_mask;
     87	u32 block_shift;
     88	u32 signal_mask;
     89	u32 signal_shift;
     90	u32 t_mask;
     91	u32 t_shift;
     92	u32 enable_mask;
     93	u32 enable_shift;
     94};
     95
     96struct kv_pl {
     97	u32 sclk;
     98	u8 vddc_index;
     99	u8 ds_divider_index;
    100	u8 ss_divider_index;
    101	u8 allow_gnb_slow;
    102	u8 force_nbp_state;
    103	u8 display_wm;
    104	u8 vce_wm;
    105};
    106
    107struct kv_ps {
    108	struct kv_pl levels[SUMO_MAX_HARDWARE_POWERLEVELS];
    109	u32 num_levels;
    110	bool need_dfs_bypass;
    111	u8 dpm0_pg_nb_ps_lo;
    112	u8 dpm0_pg_nb_ps_hi;
    113	u8 dpmx_nb_ps_lo;
    114	u8 dpmx_nb_ps_hi;
    115};
    116
    117struct kv_sys_info {
    118	u32 bootup_uma_clk;
    119	u32 bootup_sclk;
    120	u32 dentist_vco_freq;
    121	u32 nb_dpm_enable;
    122	u32 nbp_memory_clock[KV_NUM_NBPSTATES];
    123	u32 nbp_n_clock[KV_NUM_NBPSTATES];
    124	u16 bootup_nb_voltage_index;
    125	u8 htc_tmp_lmt;
    126	u8 htc_hyst_lmt;
    127	struct sumo_sclk_voltage_mapping_table sclk_voltage_mapping_table;
    128	struct sumo_vid_mapping_table vid_mapping_table;
    129	u32 uma_channel_number;
    130};
    131
    132struct kv_power_info {
    133	u32 at[SUMO_MAX_HARDWARE_POWERLEVELS];
    134	u32 voltage_drop_t;
    135	struct kv_sys_info sys_info;
    136	struct kv_pl boot_pl;
    137	bool enable_nb_ps_policy;
    138	bool disable_nb_ps3_in_battery;
    139	bool video_start;
    140	bool battery_state;
    141	u32 lowest_valid;
    142	u32 highest_valid;
    143	u16 high_voltage_t;
    144	bool cac_enabled;
    145	bool bapm_enable;
    146	/* smc offsets */
    147	u32 sram_end;
    148	u32 dpm_table_start;
    149	u32 soft_regs_start;
    150	/* dpm SMU tables */
    151	u8 graphics_dpm_level_count;
    152	u8 uvd_level_count;
    153	u8 vce_level_count;
    154	u8 acp_level_count;
    155	u8 samu_level_count;
    156	u16 fps_high_t;
    157	SMU7_Fusion_GraphicsLevel graphics_level[SMU__NUM_SCLK_DPM_STATE];
    158	SMU7_Fusion_ACPILevel acpi_level;
    159	SMU7_Fusion_UvdLevel uvd_level[SMU7_MAX_LEVELS_UVD];
    160	SMU7_Fusion_ExtClkLevel vce_level[SMU7_MAX_LEVELS_VCE];
    161	SMU7_Fusion_ExtClkLevel acp_level[SMU7_MAX_LEVELS_ACP];
    162	SMU7_Fusion_ExtClkLevel samu_level[SMU7_MAX_LEVELS_SAMU];
    163	u8 uvd_boot_level;
    164	u8 vce_boot_level;
    165	u8 acp_boot_level;
    166	u8 samu_boot_level;
    167	u8 uvd_interval;
    168	u8 vce_interval;
    169	u8 acp_interval;
    170	u8 samu_interval;
    171	u8 graphics_boot_level;
    172	u8 graphics_interval;
    173	u8 graphics_therm_throttle_enable;
    174	u8 graphics_voltage_change_enable;
    175	u8 graphics_clk_slow_enable;
    176	u8 graphics_clk_slow_divider;
    177	u8 fps_low_t;
    178	u32 low_sclk_interrupt_t;
    179	bool uvd_power_gated;
    180	bool vce_power_gated;
    181	bool acp_power_gated;
    182	bool samu_power_gated;
    183	bool nb_dpm_enabled;
    184	/* flags */
    185	bool enable_didt;
    186	bool enable_dpm;
    187	bool enable_auto_thermal_throttling;
    188	bool enable_nb_dpm;
    189	/* caps */
    190	bool caps_cac;
    191	bool caps_power_containment;
    192	bool caps_sq_ramping;
    193	bool caps_db_ramping;
    194	bool caps_td_ramping;
    195	bool caps_tcp_ramping;
    196	bool caps_sclk_throttle_low_notification;
    197	bool caps_fps;
    198	bool caps_uvd_dpm;
    199	bool caps_uvd_pg;
    200	bool caps_vce_pg;
    201	bool caps_samu_pg;
    202	bool caps_acp_pg;
    203	bool caps_stable_p_state;
    204	bool caps_enable_dfs_bypass;
    205	bool caps_sclk_ds;
    206	struct amdgpu_ps current_rps;
    207	struct kv_ps current_ps;
    208	struct amdgpu_ps requested_rps;
    209	struct kv_ps requested_ps;
    210};
    211
    212/* XXX are these ok? */
    213#define KV_TEMP_RANGE_MIN (90 * 1000)
    214#define KV_TEMP_RANGE_MAX (120 * 1000)
    215
    216/* kv_smc.c */
    217int amdgpu_kv_notify_message_to_smu(struct amdgpu_device *adev, u32 id);
    218int amdgpu_kv_dpm_get_enable_mask(struct amdgpu_device *adev, u32 *enable_mask);
    219int amdgpu_kv_send_msg_to_smc_with_parameter(struct amdgpu_device *adev,
    220				      PPSMC_Msg msg, u32 parameter);
    221int amdgpu_kv_read_smc_sram_dword(struct amdgpu_device *adev, u32 smc_address,
    222			   u32 *value, u32 limit);
    223int amdgpu_kv_smc_dpm_enable(struct amdgpu_device *adev, bool enable);
    224int amdgpu_kv_smc_bapm_enable(struct amdgpu_device *adev, bool enable);
    225int amdgpu_kv_copy_bytes_to_smc(struct amdgpu_device *adev,
    226			 u32 smc_start_address,
    227			 const u8 *src, u32 byte_count, u32 limit);
    228
    229#endif