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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ni_dpm.h (6737B)


      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 __NI_DPM_H__
     24#define __NI_DPM_H__
     25
     26#include "cypress_dpm.h"
     27#include "btc_dpm.h"
     28#include "nislands_smc.h"
     29
     30struct ni_clock_registers {
     31	u32 cg_spll_func_cntl;
     32	u32 cg_spll_func_cntl_2;
     33	u32 cg_spll_func_cntl_3;
     34	u32 cg_spll_func_cntl_4;
     35	u32 cg_spll_spread_spectrum;
     36	u32 cg_spll_spread_spectrum_2;
     37	u32 mclk_pwrmgt_cntl;
     38	u32 dll_cntl;
     39	u32 mpll_ad_func_cntl;
     40	u32 mpll_ad_func_cntl_2;
     41	u32 mpll_dq_func_cntl;
     42	u32 mpll_dq_func_cntl_2;
     43	u32 mpll_ss1;
     44	u32 mpll_ss2;
     45};
     46
     47struct ni_mc_reg_entry {
     48	u32 mclk_max;
     49	u32 mc_data[SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE];
     50};
     51
     52struct ni_mc_reg_table {
     53	u8 last;
     54	u8 num_entries;
     55	u16 valid_flag;
     56	struct ni_mc_reg_entry mc_reg_table_entry[MAX_AC_TIMING_ENTRIES];
     57	SMC_NIslands_MCRegisterAddress mc_reg_address[SMC_NISLANDS_MC_REGISTER_ARRAY_SIZE];
     58};
     59
     60#define NISLANDS_MCREGISTERTABLE_FIRST_DRIVERSTATE_SLOT 2
     61
     62enum ni_dc_cac_level
     63{
     64	NISLANDS_DCCAC_LEVEL_0 = 0,
     65	NISLANDS_DCCAC_LEVEL_1,
     66	NISLANDS_DCCAC_LEVEL_2,
     67	NISLANDS_DCCAC_LEVEL_3,
     68	NISLANDS_DCCAC_LEVEL_4,
     69	NISLANDS_DCCAC_LEVEL_5,
     70	NISLANDS_DCCAC_LEVEL_6,
     71	NISLANDS_DCCAC_LEVEL_7,
     72	NISLANDS_DCCAC_MAX_LEVELS
     73};
     74
     75struct ni_leakage_coeffients
     76{
     77	u32 at;
     78	u32 bt;
     79	u32 av;
     80	u32 bv;
     81	s32 t_slope;
     82	s32 t_intercept;
     83	u32 t_ref;
     84};
     85
     86struct ni_cac_data
     87{
     88	struct ni_leakage_coeffients leakage_coefficients;
     89	u32 i_leakage;
     90	s32 leakage_minimum_temperature;
     91	u32 pwr_const;
     92	u32 dc_cac_value;
     93	u32 bif_cac_value;
     94	u32 lkge_pwr;
     95	u8 mc_wr_weight;
     96	u8 mc_rd_weight;
     97	u8 allow_ovrflw;
     98	u8 num_win_tdp;
     99	u8 l2num_win_tdp;
    100	u8 lts_truncate_n;
    101};
    102
    103struct ni_cac_weights
    104{
    105	u32 weight_tcp_sig0;
    106	u32 weight_tcp_sig1;
    107	u32 weight_ta_sig;
    108	u32 weight_tcc_en0;
    109	u32 weight_tcc_en1;
    110	u32 weight_tcc_en2;
    111	u32 weight_cb_en0;
    112	u32 weight_cb_en1;
    113	u32 weight_cb_en2;
    114	u32 weight_cb_en3;
    115	u32 weight_db_sig0;
    116	u32 weight_db_sig1;
    117	u32 weight_db_sig2;
    118	u32 weight_db_sig3;
    119	u32 weight_sxm_sig0;
    120	u32 weight_sxm_sig1;
    121	u32 weight_sxm_sig2;
    122	u32 weight_sxs_sig0;
    123	u32 weight_sxs_sig1;
    124	u32 weight_xbr_0;
    125	u32 weight_xbr_1;
    126	u32 weight_xbr_2;
    127	u32 weight_spi_sig0;
    128	u32 weight_spi_sig1;
    129	u32 weight_spi_sig2;
    130	u32 weight_spi_sig3;
    131	u32 weight_spi_sig4;
    132	u32 weight_spi_sig5;
    133	u32 weight_lds_sig0;
    134	u32 weight_lds_sig1;
    135	u32 weight_sc;
    136	u32 weight_bif;
    137	u32 weight_cp;
    138	u32 weight_pa_sig0;
    139	u32 weight_pa_sig1;
    140	u32 weight_vgt_sig0;
    141	u32 weight_vgt_sig1;
    142	u32 weight_vgt_sig2;
    143	u32 weight_dc_sig0;
    144	u32 weight_dc_sig1;
    145	u32 weight_dc_sig2;
    146	u32 weight_dc_sig3;
    147	u32 weight_uvd_sig0;
    148	u32 weight_uvd_sig1;
    149	u32 weight_spare0;
    150	u32 weight_spare1;
    151	u32 weight_sq_vsp;
    152	u32 weight_sq_vsp0;
    153	u32 weight_sq_gpr;
    154	u32 ovr_mode_spare_0;
    155	u32 ovr_val_spare_0;
    156	u32 ovr_mode_spare_1;
    157	u32 ovr_val_spare_1;
    158	u32 vsp;
    159	u32 vsp0;
    160	u32 gpr;
    161	u8 mc_read_weight;
    162	u8 mc_write_weight;
    163	u32 tid_cnt;
    164	u32 tid_unit;
    165	u32 l2_lta_window_size;
    166	u32 lts_truncate;
    167	u32 dc_cac[NISLANDS_DCCAC_MAX_LEVELS];
    168	u32 pcie_cac[SMC_NISLANDS_BIF_LUT_NUM_OF_ENTRIES];
    169	bool enable_power_containment_by_default;
    170};
    171
    172struct ni_ps {
    173	u16 performance_level_count;
    174	bool dc_compatible;
    175	struct rv7xx_pl performance_levels[NISLANDS_MAX_SMC_PERFORMANCE_LEVELS_PER_SWSTATE];
    176};
    177
    178struct ni_power_info {
    179	/* must be first! */
    180	struct evergreen_power_info eg;
    181	struct ni_clock_registers clock_registers;
    182	struct ni_mc_reg_table mc_reg_table;
    183	u32 mclk_rtt_mode_threshold;
    184	/* flags */
    185	bool use_power_boost_limit;
    186	bool support_cac_long_term_average;
    187	bool cac_enabled;
    188	bool cac_configuration_required;
    189	bool driver_calculate_cac_leakage;
    190	bool pc_enabled;
    191	bool enable_power_containment;
    192	bool enable_cac;
    193	bool enable_sq_ramping;
    194	/* smc offsets */
    195	u16 arb_table_start;
    196	u16 fan_table_start;
    197	u16 cac_table_start;
    198	u16 spll_table_start;
    199	/* CAC stuff */
    200	struct ni_cac_data cac_data;
    201	u32 dc_cac_table[NISLANDS_DCCAC_MAX_LEVELS];
    202	const struct ni_cac_weights *cac_weights;
    203	u8 lta_window_size;
    204	u8 lts_truncate;
    205	struct ni_ps current_ps;
    206	struct ni_ps requested_ps;
    207	/* scratch structs */
    208	SMC_NIslands_MCRegisters smc_mc_reg_table;
    209	NISLANDS_SMC_STATETABLE smc_statetable;
    210};
    211
    212#define NISLANDS_INITIAL_STATE_ARB_INDEX    0
    213#define NISLANDS_ACPI_STATE_ARB_INDEX       1
    214#define NISLANDS_ULV_STATE_ARB_INDEX        2
    215#define NISLANDS_DRIVER_STATE_ARB_INDEX     3
    216
    217#define NISLANDS_DPM2_MAX_PULSE_SKIP        256
    218
    219#define NISLANDS_DPM2_NEAR_TDP_DEC          10
    220#define NISLANDS_DPM2_ABOVE_SAFE_INC        5
    221#define NISLANDS_DPM2_BELOW_SAFE_INC        20
    222
    223#define NISLANDS_DPM2_TDP_SAFE_LIMIT_PERCENT            80
    224
    225#define NISLANDS_DPM2_MAXPS_PERCENT_H                   90
    226#define NISLANDS_DPM2_MAXPS_PERCENT_M                   0
    227
    228#define NISLANDS_DPM2_SQ_RAMP_MAX_POWER                 0x3FFF
    229#define NISLANDS_DPM2_SQ_RAMP_MIN_POWER                 0x12
    230#define NISLANDS_DPM2_SQ_RAMP_MAX_POWER_DELTA           0x15
    231#define NISLANDS_DPM2_SQ_RAMP_STI_SIZE                  0x1E
    232#define NISLANDS_DPM2_SQ_RAMP_LTI_RATIO                 0xF
    233
    234int ni_copy_and_switch_arb_sets(struct radeon_device *rdev,
    235				u32 arb_freq_src, u32 arb_freq_dest);
    236void ni_update_current_ps(struct radeon_device *rdev,
    237			  struct radeon_ps *rps);
    238void ni_update_requested_ps(struct radeon_device *rdev,
    239			    struct radeon_ps *rps);
    240
    241void ni_set_uvd_clock_before_set_eng_clock(struct radeon_device *rdev,
    242					   struct radeon_ps *new_ps,
    243					   struct radeon_ps *old_ps);
    244void ni_set_uvd_clock_after_set_eng_clock(struct radeon_device *rdev,
    245					  struct radeon_ps *new_ps,
    246					  struct radeon_ps *old_ps);
    247
    248bool ni_dpm_vblank_too_short(struct radeon_device *rdev);
    249
    250struct ni_power_info *ni_get_pi(struct radeon_device *rdev);
    251struct ni_ps *ni_get_ps(struct radeon_ps *rps);
    252
    253#endif