/* * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved. * * @APPLE_LICENSE_HEADER_START@ * * The contents of this file constitute Original Code as defined in and * are subject to the Apple Public Source License Version 1.1 (the * "License"). You may not use this file except in compliance with the * License. Please obtain a copy of the License at * http://www.apple.com/publicsource and read it before using this file. * * This Original Code and all software distributed under the License are * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES, * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY, * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT. Please see the * License for the specific language governing rights and limitations * under the License. * * @APPLE_LICENSE_HEADER_END@ */ #include <IOKit/pwr_mgt/IOPM.h> #include <IOKit/IOService.h> extern "C" { extern void kprintf(const char *, ...); } static char rootDomain[ ] = "IOPMrootDomain"; static char displayDevice[ ] = "IODisplayWrangler"; static bool rootRegistered; static bool displayRegistered; static IOService * root; static IOService * display; void IOPMLog(const char * who,unsigned long event,unsigned long param1, unsigned long param2) { // kprintf("%s %02d %08x %08x\n",who,event,param1,param2); } void IOPMRegisterDevice(const char * who, IOService * theDevice) { if ( strcmp(rootDomain,who) == 0 ) { // root power domain is registering theDevice->youAreRoot(); rootRegistered = true; root = theDevice; if ( displayRegistered ) { root->addChild ( display ); } } else{ if ( strcmp(displayDevice,who) == 0 ) { // somebody else is registering displayRegistered = true; // save pointer to display wrangler display = theDevice; } if ( rootRegistered ) { // if not root domain, then it's root->addChild ( theDevice ); // one of its children } } }