linux/drivers/gpu/drm/radeon/ni_dpm.h
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   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
 250#endif
 251