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Annotation of kernel/bsd/dev/ppc/PPCKeyboard.h, revision 1.1

1.1     ! root        1: /*
        !             2:  * Copyright (c) 1999 Apple Computer, Inc. All rights reserved.
        !             3:  *
        !             4:  * @APPLE_LICENSE_HEADER_START@
        !             5:  * 
        !             6:  * Portions Copyright (c) 1999 Apple Computer, Inc.  All Rights
        !             7:  * Reserved.  This file contains Original Code and/or Modifications of
        !             8:  * Original Code as defined in and that are subject to the Apple Public
        !             9:  * Source License Version 1.1 (the "License").  You may not use this file
        !            10:  * except in compliance with the License.  Please obtain a copy of the
        !            11:  * License at http://www.apple.com/publicsource and read it before using
        !            12:  * this file.
        !            13:  * 
        !            14:  * The Original Code and all software distributed under the License are
        !            15:  * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
        !            16:  * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
        !            17:  * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
        !            18:  * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
        !            19:  * License for the specific language governing rights and limitations
        !            20:  * under the License.
        !            21:  * 
        !            22:  * @APPLE_LICENSE_HEADER_END@
        !            23:  */
        !            24: 
        !            25: //     Copyright (c) 1992 NeXT Computer, Inc.  All rights reserved. 
        !            26: //
        !            27: // PPCKeyboard.h - Interface to PC keyboard object
        !            28: // 
        !            29: //
        !            30: // HISTORY
        !            31: // 11-Aug-92    Joe Pasqua at NeXT
        !            32: //      Created. 
        !            33: //
        !            34: 
        !            35: #ifdef DRIVER_PRIVATE
        !            36: 
        !            37: #import "kernobjc.h"
        !            38: #import <driverkit/IODevice.h>
        !            39: #import <driverkit/IODirectDevice.h>
        !            40: #import <bsd/dev/ppc/PCKeyboardDefs.h>
        !            41: 
        !            42: #if    KERNOBJC
        !            43: 
        !            44: @interface PPCKeyboard : IODirectDevice <PCKeyboardExported>
        !            45: {
        !            46: @private
        !            47:     enum {NOT_WAITING, SET_LEDS, DATA_ACK} pendingAck;
        !            48:     unsigned char      lastSent;
        !            49:     int                        pendingLEDVal;
        !            50:     unsigned           interfaceId;    // see NXEventSystemDevice struct
        !            51:     unsigned           handlerId;      // in ev_types.h
        !            52: 
        !            53:     // Info about the mouse object we are associated with
        !            54: //    id                       mouseObject;
        !            55: //   port_t            mouseIntPort;
        !            56:     
        !            57:     // Device ownership stuff
        !            58:     id                 _owner;
        !            59:     id                 _desiredOwner;
        !            60:     id                 _ownerLock;
        !            61:                        // NXLock; protects _owner and  desiredOwner
        !            62: }
        !            63: 
        !            64: /* Had to make it public as interrupt handler uses it */
        !            65: extern unsigned char   extendCount;
        !            66: 
        !            67: // Public methods
        !            68: - (int)interfaceId;
        !            69: - (int)handlerId;
        !            70: - (void)interruptHandler;
        !            71: 
        !            72: // Description:        Return the device port of the object.
        !            73: 
        !            74: - (void)setAlphaLockFeedback:(BOOL)locked;
        !            75: 
        !            76: - (IOReturn)becomeOwner                : client;
        !            77: - (IOReturn)relinquishOwnership        : client;
        !            78: - (IOReturn)desireOwnership    : client;
        !            79: 
        !            80: @end
        !            81: 
        !            82: #endif /* KERNOBJC */
        !            83: 
        !            84: extern PCKeyboardEvent *StealKeyEvent();
        !            85: // Description:        Call this routine to steal a keyboard event directly
        !            86: //             from the hardware. Must be called from interrupt level.
        !            87: 
        !            88: #endif /* DRIVER_PRIVATE */
        !            89: 

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