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 | |