LXR linux/drivers/gpu/drm/amd/powerplay/inc/eventmanager.h

   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 _EVENT_MANAGER_H_
  24#define _EVENT_MANAGER_H_
  25
  26#include "power_state.h"
  27#include "pp_power_source.h"
  28#include "hardwaremanager.h"
  29#include "pp_asicblocks.h"
  30
  31struct pp_eventmgr;
  32enum amd_pp_event;
  33
  34enum PEM_EventDataValid {
  35        PEM_EventDataValid_RequestedStateID = 0,
  36        PEM_EventDataValid_RequestedUILabel,
  37        PEM_EventDataValid_NewPowerState,
  38        PEM_EventDataValid_RequestedPowerSource,
  39        PEM_EventDataValid_RequestedClocks,
  40        PEM_EventDataValid_CurrentTemperature,
  41        PEM_EventDataValid_AsicBlocks,
  42        PEM_EventDataValid_ODParameters,
  43        PEM_EventDataValid_PXAdapterPrefs,
  44        PEM_EventDataValid_PXUserPrefs,
  45        PEM_EventDataValid_PXSwitchReason,
  46        PEM_EventDataValid_PXSwitchPhase,
  47        PEM_EventDataValid_HdVideo,
  48        PEM_EventDataValid_BacklightLevel,
  49        PEM_EventDatavalid_VariBrightParams,
  50        PEM_EventDataValid_VariBrightLevel,
  51        PEM_EventDataValid_VariBrightImmediateChange,
  52        PEM_EventDataValid_PercentWhite,
  53        PEM_EventDataValid_SdVideo,
  54        PEM_EventDataValid_HTLinkChangeReason,
  55        PEM_EventDataValid_HWBlocks,
  56        PEM_EventDataValid_RequestedThermalState,
  57        PEM_EventDataValid_MvcVideo,
  58        PEM_EventDataValid_Max
  59};
  60
  61typedef enum PEM_EventDataValid PEM_EventDataValid;
  62
  63/* Number of bits in ULONG variable */
  64#define PEM_MAX_NUM_EVENTDATAVALID_BITS_PER_FIELD (sizeof(unsigned long)*8)
  65
  66/* Number of ULONG entries used by event data valid bits */
  67#define PEM_MAX_NUM_EVENTDATAVALID_ULONG_ENTRIES                                 \
  68                ((PEM_EventDataValid_Max + PEM_MAX_NUM_EVENTDATAVALID_BITS_PER_FIELD - 1) /  \
  69                PEM_MAX_NUM_EVENTDATAVALID_BITS_PER_FIELD)
  70
  71static inline void pem_set_event_data_valid(unsigned long *fields, PEM_EventDataValid valid_field)
  72{
  73        fields[valid_field / PEM_MAX_NUM_EVENTDATAVALID_BITS_PER_FIELD] |=
  74                (1UL << (valid_field % PEM_MAX_NUM_EVENTDATAVALID_BITS_PER_FIELD));
  75}
  76
  77static inline void pem_unset_event_data_valid(unsigned long *fields, PEM_EventDataValid valid_field)
  78{
  79        fields[valid_field / PEM_MAX_NUM_EVENTDATAVALID_BITS_PER_FIELD] &=
  80                ~(1UL << (valid_field % PEM_MAX_NUM_EVENTDATAVALID_BITS_PER_FIELD));
  81}
  82
  83static inline unsigned long pem_is_event_data_valid(const unsigned long *fields, PEM_EventDataValid valid_field)
  84{
  85        return fields[valid_field / PEM_MAX_NUM_EVENTDATAVALID_BITS_PER_FIELD] &
  86                (1UL << (valid_field % PEM_MAX_NUM_EVENTDATAVALID_BITS_PER_FIELD));
  87}
  88
  89struct pem_event_data {
  90        unsigned long   valid_fields[100];
  91        unsigned long   requested_state_id;
  92        enum PP_StateUILabel requested_ui_label;
  93        struct pp_power_state  *pnew_power_state;
  94        enum pp_power_source  requested_power_source;
  95        struct PP_Clocks       requested_clocks;
  96        bool         skip_state_adjust_rules;
  97        struct phm_asic_blocks  asic_blocks;
  98        /* to doPP_ThermalState requestedThermalState;
  99        enum ThermalStateRequestSrc requestThermalStateSrc;
 100        PP_Temperature  currentTemperature;*/
 101
 102};
 103
 104int pem_handle_event(struct pp_eventmgr *eventmgr, enum amd_pp_event event,
 105                     struct pem_event_data *event_data);
 106
 107bool pem_is_hw_access_blocked(struct pp_eventmgr *eventmgr);
 108
 109#endif /* _EVENT_MANAGER_H_ */
 110