LXR linux/drivers/gpu/drm/amd/powerplay/inc/power

   1/*
   2 * Copyright 2015 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 PP_POWERSTATE_H
  24#define PP_POWERSTATE_H
  25
  26struct pp_hw_power_state {
  27        unsigned int magic;
  28};
  29
  30struct pp_power_state;
  31
  32
  33#define PP_INVALID_POWER_STATE_ID (0)
  34
  35
  36/*
  37 * An item of a list containing Power States.
  38 */
  39
  40struct PP_StateLinkedList {
  41        struct pp_power_state *next;
  42        struct pp_power_state *prev;
  43};
  44
  45
  46enum PP_StateUILabel {
  47        PP_StateUILabel_None,
  48        PP_StateUILabel_Battery,
  49        PP_StateUILabel_MiddleLow,
  50        PP_StateUILabel_Balanced,
  51        PP_StateUILabel_MiddleHigh,
  52        PP_StateUILabel_Performance,
  53        PP_StateUILabel_BACO
  54};
  55
  56enum PP_StateClassificationFlag {
  57        PP_StateClassificationFlag_Boot                = 0x0001,
  58        PP_StateClassificationFlag_Thermal             = 0x0002,
  59        PP_StateClassificationFlag_LimitedPowerSource  = 0x0004,
  60        PP_StateClassificationFlag_Rest                = 0x0008,
  61        PP_StateClassificationFlag_Forced              = 0x0010,
  62        PP_StateClassificationFlag_User3DPerformance   = 0x0020,
  63        PP_StateClassificationFlag_User2DPerformance   = 0x0040,
  64        PP_StateClassificationFlag_3DPerformance       = 0x0080,
  65        PP_StateClassificationFlag_ACOverdriveTemplate   = 0x0100,
  66        PP_StateClassificationFlag_Uvd                 = 0x0200,
  67        PP_StateClassificationFlag_3DPerformanceLow    = 0x0400,
  68        PP_StateClassificationFlag_ACPI                = 0x0800,
  69        PP_StateClassificationFlag_HD2                 = 0x1000,
  70        PP_StateClassificationFlag_UvdHD               = 0x2000,
  71        PP_StateClassificationFlag_UvdSD               = 0x4000,
  72        PP_StateClassificationFlag_UserDCPerformance    = 0x8000,
  73        PP_StateClassificationFlag_DCOverdriveTemplate   = 0x10000,
  74        PP_StateClassificationFlag_BACO                  = 0x20000,
  75        PP_StateClassificationFlag_LimitedPowerSource_2  = 0x40000,
  76        PP_StateClassificationFlag_ULV                   = 0x80000,
  77        PP_StateClassificationFlag_UvdMVC               = 0x100000,
  78};
  79
  80typedef unsigned int PP_StateClassificationFlags;
  81
  82struct PP_StateClassificationBlock {
  83        enum PP_StateUILabel         ui_label;
  84        enum PP_StateClassificationFlag  flags;
  85        int                          bios_index;
  86        bool                      temporary_state;
  87        bool                      to_be_deleted;
  88};
  89
  90struct PP_StatePcieBlock {
  91        unsigned int lanes;
  92};
  93
  94enum PP_RefreshrateSource {
  95        PP_RefreshrateSource_EDID,
  96        PP_RefreshrateSource_Explicit
  97};
  98
  99struct PP_StateDisplayBlock {
 100        bool              disableFrameModulation;
 101        bool              limitRefreshrate;
 102        enum PP_RefreshrateSource refreshrateSource;
 103        int                  explicitRefreshrate;
 104        int                  edidRefreshrateIndex;
 105        bool              enableVariBright;
 106};
 107
 108struct PP_StateMemroyBlock {
 109        bool              dllOff;
 110        uint8_t                 m3arb;
 111        uint8_t                 unused[3];
 112};
 113
 114struct PP_StateSoftwareAlgorithmBlock {
 115        bool disableLoadBalancing;
 116        bool enableSleepForTimestamps;
 117};
 118
 119#define PP_TEMPERATURE_UNITS_PER_CENTIGRADES 1000
 120
 121/**
 122 * Type to hold a temperature range.
 123 */
 124struct PP_TemperatureRange {
 125        int min;
 126        int max;
 127        int edge_emergency_max;
 128        int hotspot_min;
 129        int hotspot_crit_max;
 130        int hotspot_emergency_max;
 131        int mem_min;
 132        int mem_crit_max;
 133        int mem_emergency_max;
 134};
 135
 136struct PP_StateValidationBlock {
 137        bool singleDisplayOnly;
 138        bool disallowOnDC;
 139        uint8_t supportedPowerLevels;
 140};
 141
 142struct PP_UVD_CLOCKS {
 143        uint32_t VCLK;
 144        uint32_t DCLK;
 145};
 146
 147/**
 148* Structure to hold a PowerPlay Power State.
 149*/
 150struct pp_power_state {
 151        uint32_t                            id;
 152        struct PP_StateLinkedList                  orderedList;
 153        struct PP_StateLinkedList                  allStatesList;
 154
 155        struct PP_StateClassificationBlock         classification;
 156        struct PP_StateValidationBlock             validation;
 157        struct PP_StatePcieBlock                   pcie;
 158        struct PP_StateDisplayBlock                display;
 159        struct PP_StateMemroyBlock                 memory;
 160        struct PP_TemperatureRange                 temperatures;
 161        struct PP_StateSoftwareAlgorithmBlock      software;
 162        struct PP_UVD_CLOCKS                       uvd_clocks;
 163        struct pp_hw_power_state  hardware;
 164};
 165
 166enum PP_MMProfilingState {
 167        PP_MMProfilingState_NA = 0,
 168        PP_MMProfilingState_Started,
 169        PP_MMProfilingState_Stopped
 170};
 171
 172struct pp_clock_engine_request {
 173        unsigned long client_type;
 174        unsigned long ctx_id;
 175        uint64_t  context_handle;
 176        unsigned long sclk;
 177        unsigned long sclk_hard_min;
 178        unsigned long mclk;
 179        unsigned long iclk;
 180        unsigned long evclk;
 181        unsigned long ecclk;
 182        unsigned long ecclk_hard_min;
 183        unsigned long vclk;
 184        unsigned long dclk;
 185        unsigned long sclk_over_drive;
 186        unsigned long mclk_over_drive;
 187        unsigned long sclk_threshold;
 188        unsigned long flag;
 189        unsigned long vclk_ceiling;
 190        unsigned long dclk_ceiling;
 191        unsigned long num_cus;
 192        unsigned long pm_flag;
 193        enum PP_MMProfilingState mm_profiling_state;
 194};
 195
 196#endif
 197