| 1 | /* |
| 2 | * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. |
| 3 | * |
| 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 5 | * |
| 6 | * This file contains Original Code and/or Modifications of Original Code |
| 7 | * as defined in and that are subject to the Apple Public Source License |
| 8 | * Version 2.0 (the 'License'). You may not use this file except in |
| 9 | * compliance with the License. The rights granted to you under the License |
| 10 | * may not be used to create, or enable the creation or redistribution of, |
| 11 | * unlawful or unlicensed copies of an Apple operating system, or to |
| 12 | * circumvent, violate, or enable the circumvention or violation of, any |
| 13 | * terms of an Apple operating system software license agreement. |
| 14 | * |
| 15 | * Please obtain a copy of the License at |
| 16 | * http://www.opensource.apple.com/apsl/ and read it before using this file. |
| 17 | * |
| 18 | * The Original Code and all software distributed under the License are |
| 19 | * distributed on an 'AS IS' basis, WITHOUT WARRANTY OF ANY KIND, EITHER |
| 20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, |
| 22 | * FITNESS FOR A PARTICULAR PURPOSE, QUIET ENJOYMENT OR NON-INFRINGEMENT. |
| 23 | * Please see the License for the specific language governing rights and |
| 24 | * limitations under the License. |
| 25 | * |
| 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 27 | */ |
| 28 | |
| 29 | #include <IOKit/pwr_mgt/IOPowerConnection.h> |
| 30 | |
| 31 | #define super IOService |
| 32 | OSDefineMetaClassAndStructors(IOPowerConnection, IOService) |
| 33 | |
| 34 | |
| 35 | // ********************************************************************************** |
| 36 | // setDesiredDomainState |
| 37 | // |
| 38 | // Parent of the connection calls here to save the childs desire |
| 39 | // ********************************************************************************** |
| 40 | void |
| 41 | IOPowerConnection::setDesiredDomainState(unsigned long stateNumber ) |
| 42 | { |
| 43 | desiredDomainState = stateNumber; |
| 44 | } |
| 45 | |
| 46 | |
| 47 | // ********************************************************************************** |
| 48 | // getDesiredDomainState |
| 49 | // |
| 50 | // ********************************************************************************** |
| 51 | unsigned long |
| 52 | IOPowerConnection::getDesiredDomainState( void ) |
| 53 | { |
| 54 | return desiredDomainState; |
| 55 | } |
| 56 | |
| 57 | |
| 58 | // ********************************************************************************** |
| 59 | // setChildHasRequestedPower |
| 60 | // |
| 61 | // Parent of the connection calls here when the child requests power |
| 62 | // ********************************************************************************** |
| 63 | void |
| 64 | IOPowerConnection::setChildHasRequestedPower( void ) |
| 65 | { |
| 66 | requestFlag = true; |
| 67 | } |
| 68 | |
| 69 | // ********************************************************************************** |
| 70 | // childHasRequestedPower |
| 71 | // |
| 72 | // Parent of the connection calls here when the child requests power |
| 73 | // ********************************************************************************** |
| 74 | bool |
| 75 | IOPowerConnection::childHasRequestedPower( void ) |
| 76 | { |
| 77 | return requestFlag; |
| 78 | } |
| 79 | |
| 80 | |
| 81 | // ********************************************************************************** |
| 82 | // setPreventIdleSleepFlag |
| 83 | // |
| 84 | // ********************************************************************************** |
| 85 | void |
| 86 | IOPowerConnection::setPreventIdleSleepFlag( unsigned long flag ) |
| 87 | { |
| 88 | preventIdleSleepFlag = (flag != 0); |
| 89 | } |
| 90 | |
| 91 | |
| 92 | // ********************************************************************************** |
| 93 | // getPreventIdleSleepFlag |
| 94 | // |
| 95 | // ********************************************************************************** |
| 96 | bool |
| 97 | IOPowerConnection::getPreventIdleSleepFlag( void ) |
| 98 | { |
| 99 | return preventIdleSleepFlag; |
| 100 | } |
| 101 | |
| 102 | |
| 103 | // ********************************************************************************** |
| 104 | // setPreventSystemSleepFlag |
| 105 | // |
| 106 | // ********************************************************************************** |
| 107 | void |
| 108 | IOPowerConnection::setPreventSystemSleepFlag( unsigned long flag ) |
| 109 | { |
| 110 | preventSystemSleepFlag = (flag != 0); |
| 111 | } |
| 112 | |
| 113 | |
| 114 | // ********************************************************************************** |
| 115 | // getPreventSystemSleepFlag |
| 116 | // |
| 117 | // ********************************************************************************** |
| 118 | bool |
| 119 | IOPowerConnection::getPreventSystemSleepFlag( void ) |
| 120 | { |
| 121 | return preventSystemSleepFlag; |
| 122 | } |
| 123 | |
| 124 | |
| 125 | // ********************************************************************************** |
| 126 | // setParentKnowsState |
| 127 | // |
| 128 | // Child of the connection calls here to set its reminder that the parent does |
| 129 | // or does not yet know the state if its domain. |
| 130 | // ********************************************************************************** |
| 131 | void |
| 132 | IOPowerConnection::setParentKnowsState(bool flag ) |
| 133 | { |
| 134 | stateKnown = flag; |
| 135 | } |
| 136 | |
| 137 | |
| 138 | // ********************************************************************************** |
| 139 | // setParentCurrentPowerFlags |
| 140 | // |
| 141 | // Child of the connection calls here to save what the parent says |
| 142 | // is the state if its domain. |
| 143 | // ********************************************************************************** |
| 144 | void |
| 145 | IOPowerConnection::setParentCurrentPowerFlags(IOPMPowerFlags flags ) |
| 146 | { |
| 147 | currentPowerFlags = flags; |
| 148 | } |
| 149 | |
| 150 | |
| 151 | // ********************************************************************************** |
| 152 | // parentKnowsState |
| 153 | // |
| 154 | // ********************************************************************************** |
| 155 | bool |
| 156 | IOPowerConnection::parentKnowsState(void ) |
| 157 | { |
| 158 | return stateKnown; |
| 159 | } |
| 160 | |
| 161 | |
| 162 | // ********************************************************************************** |
| 163 | // parentCurrentPowerFlags |
| 164 | // |
| 165 | // ********************************************************************************** |
| 166 | IOPMPowerFlags |
| 167 | IOPowerConnection::parentCurrentPowerFlags(void ) |
| 168 | { |
| 169 | return currentPowerFlags; |
| 170 | } |
| 171 | |
| 172 | |
| 173 | // ********************************************************************************** |
| 174 | // setAwaitingAck |
| 175 | // |
| 176 | // ********************************************************************************** |
| 177 | void |
| 178 | IOPowerConnection::setAwaitingAck( bool value ) |
| 179 | { |
| 180 | awaitingAck = value; |
| 181 | } |
| 182 | |
| 183 | |
| 184 | // ********************************************************************************** |
| 185 | // getAwaitingAck |
| 186 | // |
| 187 | // ********************************************************************************** |
| 188 | bool |
| 189 | IOPowerConnection::getAwaitingAck( void ) |
| 190 | { |
| 191 | return awaitingAck; |
| 192 | } |
| 193 | |
| 194 | |
| 195 | // ********************************************************************************** |
| 196 | // setReadyFlag |
| 197 | // |
| 198 | // ********************************************************************************** |
| 199 | void |
| 200 | IOPowerConnection::setReadyFlag( bool flag ) |
| 201 | { |
| 202 | readyFlag = flag; |
| 203 | } |
| 204 | |
| 205 | |
| 206 | // ********************************************************************************** |
| 207 | // getReadyFlag |
| 208 | // |
| 209 | // ********************************************************************************** |
| 210 | bool |
| 211 | IOPowerConnection::getReadyFlag( void ) const |
| 212 | { |
| 213 | return readyFlag; |
| 214 | } |
| 215 | |