1/*
2 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
3 *
4 * @APPLE_OSREFERENCE_LICENSE_HEADER_START@
5 *
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.
14 *
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
20 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
21 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
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.
25 *
26 * @APPLE_OSREFERENCE_LICENSE_HEADER_END@
27 */
28#include <IOKit/pwr_mgt/IOPM.h>
29#include <IOKit/IOService.h>
30
31static char rootDomain[ ] = "IOPMrootDomain";
32static char displayDevice[ ] = "IODisplayWrangler";
33static bool rootRegistered;
34static bool displayRegistered;
35static IOService * root;
36static IOService * display;
37
38void 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
44void 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
66