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Annotation of XNU/iokit/Drivers/hidsystem/drvAppleADBDevices/AppleADBDisplay.h, revision 1.1

1.1     ! root        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: };

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