projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. | |
| 3 | * | |
| 2d21ac55 | 4 | * @APPLE_OSREFERENCE_LICENSE_HEADER_START@ |
| 1c79356b | 5 | * |
| 2d21ac55 A |
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. | |
| 8f6c56a5 | 14 | * |
| 2d21ac55 A |
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 | |
| 8f6c56a5 A |
20 | * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, |
| 21 | * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, | |
| 2d21ac55 A |
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. | |
| 8f6c56a5 | 25 | * |
| 2d21ac55 | 26 | * @APPLE_OSREFERENCE_LICENSE_HEADER_END@ |
| 1c79356b A |
27 | */ |
| 28 | #include <IOKit/pwr_mgt/IOPM.h> | |
| 29 | #include <IOKit/IOService.h> | |
| 30 | ||
| 1c79356b A |
31 | static char rootDomain[ ] = "IOPMrootDomain"; |
| 32 | static char displayDevice[ ] = "IODisplayWrangler"; | |
| 33 | static bool rootRegistered; | |
| 34 | static bool displayRegistered; | |
| 35 | static IOService * root; | |
| 36 | static IOService * display; | |
| 37 | ||
| 38 | void IOPMLog(const char * who,unsigned long event,unsigned long param1, unsigned long param2) | |
| 39 | { | |
| 40 | // kprintf("%s %02d %08x %08x\n",who,event,param1,param2); | |
| 41 | } | |
| 42 | ||
| 43 | ||
| 44 | void IOPMRegisterDevice(const char * who, IOService * theDevice) | |
| 45 | { | |
| 46 | ||
| 47 | if ( strcmp(rootDomain,who) == 0 ) { // root power domain is registering | |
| 48 | theDevice->youAreRoot(); | |
| 49 | rootRegistered = true; | |
| 50 | root = theDevice; | |
| 51 | if ( displayRegistered ) { | |
| 52 | root->addChild ( display ); | |
| 53 | } | |
| 54 | } | |
| 55 | else{ | |
| 56 | if ( strcmp(displayDevice,who) == 0 ) { // somebody else is registering | |
| 57 | displayRegistered = true; // save pointer to display wrangler | |
| 58 | display = theDevice; | |
| 59 | } | |
| 60 | if ( rootRegistered ) { // if not root domain, then it's | |
| 61 | root->addChild ( theDevice ); // one of its children | |
| 62 | } | |
| 63 | } | |
| 64 | } | |
| 65 |