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55 lines
2.0 KiB
C
55 lines
2.0 KiB
C
/**
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* @file psm.h
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* @brief PSM service IPC wrapper.
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* @author XorTroll, endrift, and yellows8
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* @copyright libnx Authors
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*/
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#pragma once
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#include "../types.h"
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#include "../services/sm.h"
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#include "../kernel/event.h"
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typedef enum {
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ChargerType_None = 0, ///< No charger
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ChargerType_Charger = 1, ///< Official charger or dock
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ChargerType_Usb = 2 ///< Other USB-C chargers
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} ChargerType;
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typedef enum {
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PsmBatteryVoltageState_NeedsShutdown = 0, ///< Power state should transition to shutdown
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PsmBatteryVoltageState_NeedsSleep = 1, ///< Power state should transition to sleep
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PsmBatteryVoltageState_NoPerformanceBoost = 2, ///< Performance boost modes cannot be entered
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PsmBatteryVoltageState_Normal = 3, ///< Everything is normal
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} PsmBatteryVoltageState;
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/// IPsmSession
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typedef struct {
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Service s;
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Event StateChangeEvent; ///< autoclear=false
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} PsmSession;
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Result psmInitialize(void);
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void psmExit(void);
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Service* psmGetServiceSession(void);
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Result psmGetBatteryChargePercentage(u32 *out);
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Result psmGetChargerType(ChargerType *out);
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Result psmGetBatteryVoltageState(PsmBatteryVoltageState *out);
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/**
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* @brief Wrapper func which opens a PsmSession and handles event setup.
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* @note Uses the actual BindStateChangeEvent cmd internally.
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* @note The event is not signalled on BatteryChargePercentage changes.
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* @param[out] s PsmSession object.
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* @param[in] ChargerType Passed to SetChargerTypeChangeEventEnabled.
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* @param[in] PowerSupply Passed to SetPowerSupplyChangeEventEnabled.
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* @param[in] BatteryVoltage Passed to SetBatteryVoltageStateChangeEventEnabled.
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*/
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Result psmBindStateChangeEvent(PsmSession* s, bool ChargerType, bool PowerSupply, bool BatteryVoltage);
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/// Wait on the Event setup by \ref psmBindStateChangeEvent.
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Result psmWaitStateChangeEvent(PsmSession* s, u64 timeout);
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/// Cleanup version of \ref psmBindStateChangeEvent. Must be called by the user once the PsmSession is done being used.
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Result psmUnbindStateChangeEvent(PsmSession* s);
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