projects / apple / xnu.git / blame
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|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 4 | * @APPLE_LICENSE_HEADER_START@ | |
| 5 | * | |
| de355530 A |
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. | |
| 1c79356b | 11 | * |
| de355530 A |
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 | |
| 1c79356b A |
14 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 15 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| de355530 A |
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. | |
| 1c79356b A |
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 |