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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 | #include <IOKit/pwr_mgt/IOPM.h> | |
23 | #include <IOKit/IOService.h> | |
24 | ||
25 | extern "C" { | |
26 | extern void kprintf(const char *, ...); | |
27 | } | |
28 | ||
29 | static char rootDomain[ ] = "IOPMrootDomain"; | |
30 | static char displayDevice[ ] = "IODisplayWrangler"; | |
31 | static bool rootRegistered; | |
32 | static bool displayRegistered; | |
33 | static IOService * root; | |
34 | static IOService * display; | |
35 | ||
36 | void IOPMLog(const char * who,unsigned long event,unsigned long param1, unsigned long param2) | |
37 | { | |
38 | // kprintf("%s %02d %08x %08x\n",who,event,param1,param2); | |
39 | } | |
40 | ||
41 | ||
42 | void IOPMRegisterDevice(const char * who, IOService * theDevice) | |
43 | { | |
44 | ||
45 | if ( strcmp(rootDomain,who) == 0 ) { // root power domain is registering | |
46 | theDevice->youAreRoot(); | |
47 | rootRegistered = true; | |
48 | root = theDevice; | |
49 | if ( displayRegistered ) { | |
50 | root->addChild ( display ); | |
51 | } | |
52 | } | |
53 | else{ | |
54 | if ( strcmp(displayDevice,who) == 0 ) { // somebody else is registering | |
55 | displayRegistered = true; // save pointer to display wrangler | |
56 | display = theDevice; | |
57 | } | |
58 | if ( rootRegistered ) { // if not root domain, then it's | |
59 | root->addChild ( theDevice ); // one of its children | |
60 | } | |
61 | } | |
62 | } | |
63 |