iokit/Drivers/platform/drvAppleRootDomain/RootDomain.h

   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 #ifndef _IOKIT_ROOTDOMAIN_H
  23 #define _IOKIT_ROOTDOMAIN_H
  24
  25 #include <IOKit/IOService.h>
  26 #include <IOKit/pwr_mgt/IOPM.h>
  27
  28 class RootDomainUserClient;
  29
  30 #define number_of_power_states 2
  31 #define powerOn 1
  32
  33
  34 class IOPMrootDomain: public IOService
  35 {
  36 OSDeclareDefaultStructors(IOPMrootDomain)
  37
  38 public:
  39
  40     virtual  bool start( IOService * provider );
  41     virtual IOReturn newUserClient ( task_t,  void *, UInt32, IOUserClient ** );
  42     virtual IOReturn setAggressiveness ( unsigned long, unsigned long );
  43     virtual IOReturn getAggressiveness ( unsigned long, unsigned long * );
  44
  45
  46 private:
  47
  48     unsigned long current_values[kMaxType+1];                   // current values of aggressiveness factors
  49     UInt16   serialNumber;                                      // used to identify sleep/wake notification cycle
  50     OSArray* responseFlags;                                     // points to array of responses from apps
  51     bool     doNotSleep;                                        // true if an application vetos sleep notification
  52
  53     virtual  IOReturn setPowerState ( long, IOService* );
  54     virtual  unsigned long maxCapabilityForDomainState ( IOPMPowerFlags );
  55     virtual  unsigned long powerStateForDomainState ( IOPMPowerFlags );
  56     virtual  void notifyApps ( void );
  57     virtual  bool responseValid ( unsigned long refcon );
  58     virtual  void checkForDone ( void );
  59     unsigned long initialPowerStateForDomainState ( IOPMPowerFlags);
  60     void command_received ( void *, void * , void * , void *);
  61
  62 };
  63
  64 #endif /*  _IOKIT_ROOTDOMAIN_H */