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Annotation of XNU/iokit/Kernel/PMmisc.cpp, revision 1.1.1.1

1.1       root        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: 

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