86 lines
1.8 KiB
C++
86 lines
1.8 KiB
C++
/*
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* Copyright 2009-2015, Haiku, Inc. All Rights Reserved.
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* Distributed under the terms of the MIT License.
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*
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* Authors:
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* Clemens Zeidler, haiku@clemens-zeidler.de
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*/
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#ifndef ACPI_DRIVER_INTERFACE_H
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#define ACPI_DRIVER_INTERFACE_H
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#include "DriverInterface.h"
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#include <Locker.h>
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#include <ObjectList.h>
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const int8 kRateBufferSize = 10;
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class RateBuffer {
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public:
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RateBuffer();
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void AddRate(int32 rate);
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int32 GetMeanRate();
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private:
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int32 fRateBuffer[kRateBufferSize];
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int8 fPosition;
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int8 fSize;
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int8 fCurrentSize;
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};
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class Battery {
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public:
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Battery(int driverHandler);
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~Battery();
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status_t InitCheck();
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// Read battery info and update the cache.
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status_t UpdateBatteryInfo();
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status_t GetBatteryInfoCached(battery_info* info);
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status_t GetExtendedBatteryInfo(
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acpi_extended_battery_info* info);
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private:
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void _Init();
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private:
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int fDriverHandler;
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status_t fInitStatus;
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acpi_extended_battery_info fExtendedBatteryInfo;
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RateBuffer fRateBuffer;
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acpi_battery_info fCachedInfo;
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};
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class ACPIDriverInterface : public PowerStatusDriverInterface {
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public:
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ACPIDriverInterface();
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virtual ~ACPIDriverInterface();
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virtual status_t Connect();
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virtual status_t GetBatteryInfo(int32 index, battery_info* info);
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virtual status_t GetExtendedBatteryInfo(int32 index,
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acpi_extended_battery_info* info);
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virtual int32 GetBatteryCount();
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protected:
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// Read the battery info from the hardware.
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virtual status_t _UpdateBatteryInfo();
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virtual void _WatchPowerStatus();
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virtual status_t _FindDrivers(const char* dirpath);
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private:
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BLocker fInterfaceLocker;
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BObjectList<Battery> fDriverList;
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};
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#endif // ACPI_DRIVER_INTERFACE_H
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