/* * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ /* * Copyright (c) 1998 Apple Computer, Inc. All rights reserved. * * HISTORY * */ #ifndef _IOKIT_IOPOWERCONNECTION_H #define _IOKIT_IOPOWERCONNECTION_H #include <IOKit/IOService.h> #include <IOKit/pwr_mgt/IOPM.h> class IOPowerConnection : public IOService { OSDeclareDefaultStructors(IOPowerConnection) protected: /*! @field parentKnowsState true: parent knows state of its domain used by child */ bool stateKnown; /*! @field currentPowerFlags power flags which describe the current state of the power domain used by child */ IOPMPowerFlags currentPowerFlags; /*! @field desiredDomainState state number which corresponds to the child's desire used by parent */ unsigned long desiredDomainState; public: /*! @function setParentKnowsState @abstract Sets the stateKnown variable. @discussion Called by the parent when the object is created and called by the child when it discovers that the parent now knows its state. */ void setParentKnowsState (bool ); /*! @function setParentCurrentPowerFlags @abstract Sets the currentPowerFlags variable. @discussion Called by the parent when the object is created and called by the child when it discovers that the parent state is changing. */ void setParentCurrentPowerFlags (IOPMPowerFlags ); /*! @function parentKnowsState @abstract Returns the stateKnown variable. */ bool parentKnowsState (void ); /*! @function parentCurrentPowerFlags @abstract Returns the currentPowerFlags variable. */ IOPMPowerFlags parentCurrentPowerFlags (void ); /*! @function setDesiredDomainState @abstract Sets the desiredDomainState variable. @discussion Called by the child. */ void setDesiredDomainState (unsigned long ); /*! @function getDesiredDomainState @abstract Returns the desiredDomainState variable. @discussion Called by the child. */ unsigned long getDesiredDomainState ( void ); }; #endif /* ! _IOKIT_IOPOWERCONNECTION_H */