projects / apple / xnu.git / blame
| Commit | Line | Data |
|---|---|---|
| 1c79356b A |
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 | ||
| 23 | #ifndef _APPLEPS2KEYBOARD_H | |
| 24 | #define _APPLEPS2KEYBOARD_H | |
| 25 | ||
| 26 | #include <IOKit/ps2/ApplePS2KeyboardDevice.h> | |
| 27 | #include <IOKit/hidsystem/IOHIKeyboard.h> | |
| 28 | ||
| 29 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | |
| 30 | // Definitions used to keep track of key state. Key up/down state is tracked | |
| 31 | // in a bit list. Bits are set for key-down, and cleared for key-up. The bit | |
| 32 | // vector and macros for it's manipulation are defined here. | |
| 33 | // | |
| 34 | ||
| 35 | #define KBV_NUM_KEYCODES 128 | |
| 36 | #define KBV_BITS_PER_UNIT 32 // for UInt32 | |
| 37 | #define KBV_BITS_MASK 31 | |
| 38 | #define KBV_BITS_SHIFT 5 // 1<<5 == 32, for cheap divide | |
| 39 | #define KBV_NUNITS ((KBV_NUM_KEYCODES + \ | |
| 40 | (KBV_BITS_PER_UNIT-1))/KBV_BITS_PER_UNIT) | |
| 41 | ||
| 42 | #define KBV_KEYDOWN(n, bits) \ | |
| 43 | (bits)[((n)>>KBV_BITS_SHIFT)] |= (1 << ((n) & KBV_BITS_MASK)) | |
| 44 | ||
| 45 | #define KBV_KEYUP(n, bits) \ | |
| 46 | (bits)[((n)>>KBV_BITS_SHIFT)] &= ~(1 << ((n) & KBV_BITS_MASK)) | |
| 47 | ||
| 48 | #define KBV_IS_KEYDOWN(n, bits) \ | |
| 49 | (((bits)[((n)>>KBV_BITS_SHIFT)] & (1 << ((n) & KBV_BITS_MASK))) != 0) | |
| 50 | ||
| 51 | // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - | |
| 52 | // ApplePS2Keyboard Class Declaration | |
| 53 | // | |
| 54 | ||
| 55 | class ApplePS2Keyboard : public IOHIKeyboard | |
| 56 | { | |
| 57 | OSDeclareDefaultStructors(ApplePS2Keyboard); | |
| 58 | ||
| 59 | private: | |
| 60 | ApplePS2KeyboardDevice * _device; | |
| 61 | UInt32 _keyBitVector[KBV_NUNITS]; | |
| 62 | UInt8 _extendCount; | |
| 63 | UInt8 _interruptHandlerInstalled:1; | |
| 64 | UInt8 _ledState; | |
| 65 | ||
| 66 | virtual bool dispatchKeyboardEventWithScancode(UInt8 scanCode); | |
| 67 | virtual void setCommandByte(UInt8 setBits, UInt8 clearBits); | |
| 68 | virtual void setLEDs(UInt8 ledState); | |
| 69 | virtual void setKeyboardEnable(bool enable); | |
| 70 | ||
| 71 | protected: | |
| 72 | virtual const unsigned char * defaultKeymapOfLength(UInt32 * length); | |
| 73 | virtual void setAlphaLockFeedback(bool locked); | |
| 74 | virtual UInt32 maxKeyCodes(); | |
| 75 | ||
| 76 | public: | |
| 77 | virtual bool init(OSDictionary * properties); | |
| 78 | virtual ApplePS2Keyboard * probe(IOService * provider, SInt32 * score); | |
| 79 | ||
| 80 | virtual bool start(IOService * provider); | |
| 81 | virtual void stop(IOService * provider); | |
| 82 | ||
| 83 | virtual void interruptOccurred(UInt8 scanCode); | |
| 84 | ||
| 85 | virtual UInt32 deviceType(); | |
| 86 | virtual UInt32 interfaceID(); | |
| 87 | }; | |
| 88 | ||
| 89 | #endif /* _APPLEPS2KEYBOARD_H */ |