| | 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 | |
projects / apple / xnu.git / blame_incremental