xnu-344.21.73.tar.gz

[apple/xnu.git] / iokit / Kernel / IOPowerConnection.cpp

/*
 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * Copyright (c) 1999-2003 Apple Computer, Inc.  All Rights Reserved.
 * 
 * This file contains Original Code and/or Modifications of Original Code
 * as defined in and that are subject to the Apple Public Source License
 * Version 2.0 (the 'License'). You may not use this file except in
 * compliance with the License. Please obtain a copy of the License at
 * http://www.opensource.apple.com/apsl/ and read it before using this
 * file.
 * 
 * The 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, QUIET ENJOYMENT OR NON-INFRINGEMENT.
 * Please see the License for the specific language governing rights and
 * limitations under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */

#include <IOKit/pwr_mgt/IOPowerConnection.h>

#define super IOService
OSDefineMetaClassAndStructors(IOPowerConnection,IOService)


// **********************************************************************************
// setDesiredDomainState
//
// Parent of the connection calls here to save the childs desire
// **********************************************************************************
void IOPowerConnection::setDesiredDomainState (unsigned long stateNumber )
{
    desiredDomainState = stateNumber;
}


// **********************************************************************************
// getDesiredDomainState
//
// **********************************************************************************
unsigned long IOPowerConnection::getDesiredDomainState ( void )
{
    return desiredDomainState;
}


// **********************************************************************************
// setChildHasRequestedPower
//
// Parent of the connection calls here when the child requests power
// **********************************************************************************
void IOPowerConnection::setChildHasRequestedPower ( void )
{
    requestFlag = true;
}

// **********************************************************************************
// childHasRequestedPower
//
// Parent of the connection calls here when the child requests power
// **********************************************************************************
bool IOPowerConnection::childHasRequestedPower ( void )
{
    return requestFlag;
}


// **********************************************************************************
// setPreventIdleSleepFlag
//
// **********************************************************************************
void IOPowerConnection::setPreventIdleSleepFlag ( unsigned long flag )
{
    preventIdleSleepFlag = (flag != 0);
}


// **********************************************************************************
// getPreventIdleSleepFlag
//
// **********************************************************************************
bool IOPowerConnection::getPreventIdleSleepFlag ( void )
{
    return preventIdleSleepFlag;
}


// **********************************************************************************
// setPreventSystemSleepFlag
//
// **********************************************************************************
void IOPowerConnection::setPreventSystemSleepFlag ( unsigned long flag )
{
    preventSystemSleepFlag = (flag != 0);
}


// **********************************************************************************
// getPreventSystemSleepFlag
//
// **********************************************************************************
bool IOPowerConnection::getPreventSystemSleepFlag ( void )
{
    return preventSystemSleepFlag;
}


// **********************************************************************************
// setParentKnowsState
//
// Child of the connection calls here to set its reminder that the parent does
// or does not yet know the state if its domain.
// **********************************************************************************
void IOPowerConnection::setParentKnowsState (bool flag )
{
    stateKnown = flag;
}


// **********************************************************************************
// setParentCurrentPowerFlags
//
// Child of the connection calls here to save what the parent says
// is the state if its domain.
// **********************************************************************************
void IOPowerConnection::setParentCurrentPowerFlags (IOPMPowerFlags flags )
{
    currentPowerFlags = flags;
}


// **********************************************************************************
// parentKnowsState
//
// **********************************************************************************
bool IOPowerConnection::parentKnowsState (void )
{
    return stateKnown;
}


// **********************************************************************************
// parentCurrentPowerFlags
//
// **********************************************************************************
IOPMPowerFlags IOPowerConnection::parentCurrentPowerFlags (void )
{
    return currentPowerFlags;
}


// **********************************************************************************
// setAwaitingAck
//
// **********************************************************************************
void IOPowerConnection::setAwaitingAck ( bool value )
{
    awaitingAck = value;
}


// **********************************************************************************
// getAwaitingAck
//
// **********************************************************************************
bool IOPowerConnection::getAwaitingAck ( void )
{
    return awaitingAck;
}