/*
* Copyright (c) 1998-2019 Apple Inc. All rights reserved.
*
* @APPLE_OSREFERENCE_LICENSE_HEADER_START@
*
* This file contains Original Code and/or Modifications of Original Code
* as defined in and that are subject to the Apple Public Source License
* Version 2.0 (the 'License'). You may not use this file except in
* compliance with the License. The rights granted to you under the License
* may not be used to create, or enable the creation or redistribution of,
* unlawful or unlicensed copies of an Apple operating system, or to
* circumvent, violate, or enable the circumvention or violation of, any
* terms of an Apple operating system software license agreement.
*
* Please obtain a copy of the License at
* http://www.opensource.apple.com/apsl/ and read it before using this file.
*
* The Original Code and all software distributed under the License are
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*/
#ifndef _IOKIT_IOSERVICEPM_H
#define _IOKIT_IOSERVICEPM_H
#include <IOKit/pwr_mgt/IOPM.h>
class IOService;
class IOServicePM;
class IOPowerConnection;
class IOWorkLoop;
class IOCommandGate;
class IOTimerEventSource;
class IOPlatformExpert;
#ifdef XNU_KERNEL_PRIVATE
class IOPMinformee;
class IOPMinformeeList;
class IOPMWorkQueue;
class IOPMRequest;
class IOPMRequestQueue;
class IOPMCompletionQueue;
typedef void (*IOPMCompletionAction)(void * target, void * param);
// PM channels for IOReporting
#ifndef kPMPowerStatesChID
#define kPMPowerStatesChID IOREPORT_MAKEID('P','M','S','t','H','i','s','t')
#endif
#ifndef kPMCurrStateChID
#define kPMCurrStateChID IOREPORT_MAKEID( 'P','M','C','u','r','S','t','\0' )
#endif
// state_id details in PM channels
#define kPMReportPowerOn 0x01
#define kPMReportDeviceUsable 0x02
#define kPMReportLowPower 0x04
typedef unsigned long IOPMPowerStateIndex;
typedef uint32_t IOPMPowerChangeFlags;
typedef uint32_t IOPMRequestTag;
struct IOPMDriverCallEntry {
queue_chain_t link;
thread_t thread;
IOService * target;
const void *callMethod;
};
// Power clients (desires)
extern const OSSymbol * gIOPMPowerClientDevice;
extern const OSSymbol * gIOPMPowerClientDriver;
extern const OSSymbol * gIOPMPowerClientChildProxy;
extern const OSSymbol * gIOPMPowerClientChildren;
extern const OSSymbol * gIOPMPowerClientRootDomain;
/* Binary compatibility with drivers that access pm_vars */
#ifdef __LP64__
#define PM_VARS_SUPPORT 0
#else
#define PM_VARS_SUPPORT 1
#endif
#if PM_VARS_SUPPORT
/* Deprecated in version 10.5 */
class IOPMprot : public OSObject
{
friend class IOService;
OSDeclareDefaultStructors(IOPMprot);
public:
const char * ourName;
IOPlatformExpert * thePlatform;
unsigned long theNumberOfPowerStates;
IOPMPowerState thePowerStates[IOPMMaxPowerStates];
IOService * theControllingDriver;
unsigned long aggressiveness;
unsigned long current_aggressiveness_values[kMaxType + 1];
bool current_aggressiveness_valid[kMaxType + 1];
unsigned long myCurrentState;
};
#endif /* PM_VARS_SUPPORT */
#endif /* XNU_KERNEL_PRIVATE */
#endif /* !_IOKIT_IOSERVICEPM_H */