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Annotation of kernel/bsd/dev/ppc/PPCKeyboard.h, revision 1.1.1.1

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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