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Michał Żygowski
69 lines
1.9 KiB
C
69 lines
1.9 KiB
C
/** @file
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Library that query laptop EC for AC state and battery capacity.
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Copyright (c) 2023, 3mdeb. All rights reserved.<BR>
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SPDX-License-Identifier: BSD-2-Clause-Patent
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**/
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#include <Uefi.h>
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#include <Library/DebugLib.h>
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#include <Library/IoLib.h>
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#include <Library/TimerLib.h>
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#ifndef __LAPTOP_BATTERY_LIB__
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#define __LAPTOP_BATTERY_LIB__
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/**
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This function retrieves the AC adapter connection state from EC.
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@param AcState Pointer to the AC state
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@retval RETURN_SUCCESS Successfully probed the AC connection state.
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@retval RETURN_UNSUPPORTED Function is unsupported.
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@retval RETURN_TIMEOUT EC cpommunication timeout.
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@retval RETURN_INVALID_PARAMETER NULL pointer passed as parameter
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**/
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RETURN_STATUS
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EFIAPI
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LaptopGetAcState (
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BOOLEAN *AcState
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);
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/**
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This function retrieves the battery connection state from EC.
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@param AcState Pointer to the AC state
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@retval RETURN_SUCCESS Successfully probed the battery connection state.
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@retval RETURN_UNSUPPORTED Function is unsupported.
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@retval RETURN_TIMEOUT EC cpommunication timeout.
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@retval RETURN_INVALID_PARAMETER NULL pointer passed as parameter
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**/
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RETURN_STATUS
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EFIAPI
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LaptopGetBatState (
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BOOLEAN *BatState
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);
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/**
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This function retrieves the current battery capacity from EC.
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@param BatteryCapacity Pointer to the battery capacity in percent
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@retval RETURN_SUCCESS Successfully probed the battery capacity.
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@retval RETURN_UNSUPPORTED Function is unsupported.
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@retval RETURN_TIMEOUT EC cpommunication timeout.
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@retval RETURN_INVALID_PARAMETER NULL pointer passed as parameter
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**/
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RETURN_STATUS
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EFIAPI
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LaptopGetBatteryCapacity (
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UINT32 *BatteryCapacity
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);
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#endif
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