projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
1 | /* |
| 2 | * Copyright (c) 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 | #include <libkern/c++/OSObject.h> | |
| 23 | #include <IOKit/IOTypes.h> | |
| 24 | #include <IOKit/IOReturn.h> | |
| 25 | ||
| 26 | class ApplePMU; | |
| 27 | ||
| 28 | // Our flags | |
| 29 | ||
| 30 | enum { | |
| 31 | kBatteryInstalled = (1<<0), | |
| 32 | kBatteryCharging = (1<<1), | |
| 33 | kACInstalled = (1<<2), | |
| 34 | kUPSInstalled = (1<<3), | |
| 35 | kBatteryAtWarn = (1<<4), | |
| 36 | kBatteryDepleted = (1<<5) | |
| 37 | }; | |
| 38 | ||
| 39 | const unsigned long kSecondsPerHour = (60*60); | |
| 40 | const unsigned long kTenMinutesInSeconds = (10 * 60); | |
| 41 | ||
| 42 | // our battery (power source) object | |
| 43 | ||
| 44 | class IOPMPowerSource : public OSObject | |
| 45 | { | |
| 46 | OSDeclareDefaultStructors(IOPMPowerSource) | |
| 47 | ||
| 48 | protected: | |
| 49 | ||
| 50 | UInt32 bFlags; | |
| 51 | UInt32 bTimeRemaining; | |
| 52 | UInt16 bCurCapacity; | |
| 53 | UInt16 bMaxCapacity; | |
| 54 | SInt16 bCurrent; | |
| 55 | UInt16 bVoltage; | |
| 56 | UInt16 bBatteryIndex; | |
| 57 | ||
| 58 | public: | |
| 59 | ||
| 60 | IOPMPowerSource * nextInList; | |
| 61 | ||
| 62 | bool init (unsigned short whichBatteryIndex); | |
| 63 | unsigned long capacityPercentRemaining (void); | |
| 64 | bool atWarnLevel (void); | |
| 65 | bool depleted (void); | |
| 66 | ||
| 67 | // accessors | |
| 68 | ||
| 69 | bool isInstalled (void); | |
| 70 | bool isCharging (void); | |
| 71 | bool acConnected (void); | |
| 72 | unsigned long timeRemaining (void); | |
| 73 | unsigned long maxCapacity (void); | |
| 74 | unsigned long curCapacity (void); | |
| 75 | long currentDrawn (void); | |
| 76 | unsigned long voltage (void); | |
| 77 | ||
| 78 | // calculations | |
| 79 | ||
| 80 | // function updateStatus is called whenever the system needs | |
| 81 | // to obtain the latest power source state...must be overridden | |
| 82 | // by subclasses. | |
| 83 | virtual void updateStatus (void); | |
| 84 | }; | |
| 85 | ||
| 86 | ||
| 87 |