iokit/Kernel/IOPowerConnection.cpp

   1 /*
   2  * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
   3  *
   4  * @APPLE_LICENSE_HEADER_START@
   5  *
   6  * The contents of this file constitute Original Code as defined in and
   7  * are subject to the Apple Public Source License Version 1.1 (the
   8  * "License").  You may not use this file except in compliance with the
   9  * License.  Please obtain a copy of the License at
  10  * http://www.apple.com/publicsource and read it before using this file.
  11  *
  12  * This Original Code and all software distributed under the License are
  13  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
  14  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
  15  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
  16  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
  17  * License for the specific language governing rights and limitations
  18  * under the License.
  19  *
  20  * @APPLE_LICENSE_HEADER_END@
  21  */
  22
  23 #include <IOKit/pwr_mgt/IOPowerConnection.h>
  24
  25 #define super IOService
  26 OSDefineMetaClassAndStructors(IOPowerConnection,IOService)
  27
  28
  29 // **********************************************************************************
  30 // setDesiredDomainState
  31 //
  32 // Parent of the connection calls here to save the childs desire
  33 // **********************************************************************************
  34 void IOPowerConnection::setDesiredDomainState (unsigned long stateNumber )
  35 {
  36     desiredDomainState = stateNumber;
  37 }
  38
  39
  40 // **********************************************************************************
  41 // getDesiredDomainState
  42 //
  43 // **********************************************************************************
  44 unsigned long IOPowerConnection::getDesiredDomainState ( void )
  45 {
  46     return desiredDomainState;
  47 }
  48
  49
  50 // **********************************************************************************
  51 // setParentKnowsState
  52 //
  53 // Child of the connection calls here to set its reminder that the parent does
  54 // or does not yet know the state if its domain.
  55 // **********************************************************************************
  56 void IOPowerConnection::setParentKnowsState (bool flag )
  57 {
  58     stateKnown = flag;
  59 }
  60
  61
  62 // **********************************************************************************
  63 // setParentCurrentPowerFlags
  64 //
  65 // Child of the connection calls here to save what the parent says
  66 // is the state if its domain.
  67 // **********************************************************************************
  68 void IOPowerConnection::setParentCurrentPowerFlags (IOPMPowerFlags flags )
  69 {
  70     currentPowerFlags = flags;
  71 }
  72
  73
  74 // **********************************************************************************
  75 // parentKnowsState
  76 //
  77 // **********************************************************************************
  78 bool IOPowerConnection::parentKnowsState (void )
  79 {
  80     return stateKnown;
  81 }
  82
  83
  84 // **********************************************************************************
  85 // parentCurrentPowerFlags
  86 //
  87 // **********************************************************************************
  88 IOPMPowerFlags IOPowerConnection::parentCurrentPowerFlags (void )
  89 {
  90     return currentPowerFlags;
  91 }
  92
  93