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
29#ifndef _IOKIT_IOSERVICEPM_H
30#define _IOKIT_IOSERVICEPM_H
31
32#include <IOKit/pwr_mgt/IOPM.h>
33
34class IOService;
35class IOServicePM;
36class IOPowerConnection;
37class IOWorkLoop;
38class IOCommandGate;
39class IOTimerEventSource;
40class IOPlatformExpert;
41
42#ifdef XNU_KERNEL_PRIVATE
43class IOPMinformee;
44class IOPMinformeeList;
45class IOPMWorkQueue;
46class IOPMRequest;
47class IOPMRequestQueue;
48class IOPMCompletionQueue;
49
50typedef unsigned long       IOPMPowerStateIndex;
51typedef uint32_t            IOPMPowerChangeFlags;
52
53struct IOPMDriverCallEntry {
54    queue_chain_t   link;
55    thread_t        thread;
56    IOService *     target;
57};
58
59/* Binary compatibility with drivers that access pm_vars */
60#ifdef __LP64__
61#define PM_VARS_SUPPORT     0
62#else
63#define PM_VARS_SUPPORT     1
64#endif
65
66#if PM_VARS_SUPPORT
67/* Deprecated in version 10.5 */
68class IOPMprot : public OSObject
69{
70    friend class IOService;
71
72    OSDeclareDefaultStructors(IOPMprot)
73
74public:
75    const char *            ourName;
76    IOPlatformExpert *      thePlatform;
77    unsigned long           theNumberOfPowerStates;
78    IOPMPowerState          thePowerStates[IOPMMaxPowerStates];
79    IOService *             theControllingDriver;
80    unsigned long           aggressiveness;
81    unsigned long           current_aggressiveness_values[kMaxType+1];
82    bool                    current_aggressiveness_valid[kMaxType+1];
83    unsigned long           myCurrentState;
84};
85#endif /* PM_VARS_SUPPORT */
86#endif /* XNU_KERNEL_PRIVATE */
87#endif /* !_IOKIT_IOSERVICEPM_H */
88