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 | * Copyright (c) 1997-1998 Apple Computer, Inc. | |
| 24 | * | |
| 25 | * | |
| 26 | * HISTORY | |
| 27 | * | |
| 28 | * sdouglas 22 Oct 97 - first checked in. | |
| 29 | * sdouglas 23 Jul 98 - start IOKit | |
| 30 | * suurballe 17 Nov 98 - ported to C++ | |
| 31 | */ | |
| 32 | ||
| 33 | #include <IOKit/adb/IOADBDevice.h> | |
| 34 | #include <IOKit/graphics/IODisplay.h> | |
| 35 | ||
| 36 | ||
| 37 | #define kOrgDisplayAddr 0x7 // Original display ADB address | |
| 38 | ||
| 39 | #define kTelecasterADBHandlerID 0x03 | |
| 40 | #define kSmartDisplayADBHandlerID 0xc0 | |
| 41 | ||
| 42 | #define kADBReg0 0x0 // Device register zero | |
| 43 | #define kADBReg1 0x1 // Device register one | |
| 44 | #define kADBReg2 0x2 // Device register two | |
| 45 | #define kADBReg3 0x3 // Device register three | |
| 46 | ||
| 47 | #define kReg2DataRdy 0xFD // data (to be read) ready | |
| 48 | #define kReg2DataAck 0xFE // data (just written) OK | |
| 49 | #define kWiggleLADAddr 0x04 // 0x0f on Telecaster & Sousa? | |
| 50 | ||
| 51 | #if 0 | |
| 52 | ||
| 53 | #define kNoDevice -1 | |
| 54 | #define kTelecaster 0 | |
| 55 | #define kSousaSoundUnit 1 | |
| 56 | #define kHammerhead 2 | |
| 57 | #define kOrca 3 | |
| 58 | #define kWhaler 4 | |
| 59 | #define kWarriorEZ 5 | |
| 60 | #define kManta 6 | |
| 61 | #define kLastDeviceType kManta | |
| 62 | ||
| 63 | #define kDisplayLocalRemoteLADAddr 0x02 // lad address used in SetDisplayRemoteMode | |
| 64 | #define kAudioKeypadEnableLADAddr 0x7D | |
| 65 | ||
| 66 | #define kUnknown -1 | |
| 67 | #define kLocal 0 | |
| 68 | #define kRemote 1 | |
| 69 | ||
| 70 | #endif | |
| 71 | ||
| 72 | class AppleADBDisplay: public IODisplay | |
| 73 | { | |
| 74 | OSDeclareDefaultStructors(AppleADBDisplay) | |
| 75 | ||
| 76 | private: | |
| 77 | ||
| 78 | IOADBDevice * adbDevice; | |
| 79 | volatile UInt8 waitAckValue; | |
| 80 | UInt8 wiggleLADAddr; | |
| 81 | SInt16 avDisplayID; | |
| 82 | int numModes; | |
| 83 | UInt32 * modeList; | |
| 84 | ||
| 85 | virtual IOReturn findADBDisplayInfoForType( UInt16 deviceType ); | |
| 86 | virtual IOReturn getConnectFlagsForDisplayMode( | |
| 87 | IODisplayModeID mode, UInt32 * flags ); | |
| 88 | virtual IOReturn doConnect( void ); | |
| 89 | virtual IOReturn writeWithAcknowledge( UInt8 regNum, UInt16 data, | |
| 90 | UInt8 ackValue ); | |
| 91 | virtual IOReturn setLogicalRegister( UInt16 address, UInt16 data ); | |
| 92 | virtual IOReturn getLogicalRegister( UInt16 address, UInt16 * data ); | |
| 93 | virtual void setWiggle( bool active ); | |
| 94 | virtual bool tryAttach( IODisplayConnect * connect ); | |
| 95 | ||
| 96 | public: | |
| 97 | ||
| 98 | virtual bool start( IOService * nub ); | |
| 99 | virtual IOService * probe( IOService * nub, SInt32 * score ); | |
| 100 | ||
| 101 | virtual void packet( UInt8 adbCommand, | |
| 102 | IOByteCount length, UInt8 * data ); | |
| 103 | ||
| 104 | }; |