iokit/IOKit/IOServicePM.h

   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,
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  23  * Please see the License for the specific language governing rights and
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  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
  34 class IOService;
  35 class IOServicePM;
  36 class IOPowerConnection;
  37 class IOWorkLoop;
  38 class IOCommandGate;
  39 class IOTimerEventSource;
  40 class IOPlatformExpert;
  41
  42 #ifdef XNU_KERNEL_PRIVATE
  43 class IOPMinformee;
  44 class IOPMinformeeList;
  45 class IOPMWorkQueue;
  46 class IOPMRequest;
  47 class IOPMRequestQueue;
  48 class IOPMCompletionQueue;
  49
  50 typedef unsigned long       IOPMPowerStateIndex;
  51 typedef uint32_t            IOPMPowerChangeFlags;
  52
  53 struct 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 */
  68 class IOPMprot : public OSObject
  69 {
  70     friend class IOService;
  71
  72     OSDeclareDefaultStructors(IOPMprot)
  73
  74 public:
  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 */