| | 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 | |
projects / apple / xnu.git / blame_incremental