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Annotation of XNU/iokit/Drivers/platform/drvApplePS2Controller/ApplePS2KeyboardDevice.cpp, 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: #include <IOKit/assert.h>
        !            24: #include <IOKit/ps2/ApplePS2KeyboardDevice.h>
        !            25: #include "ApplePS2Controller.h"
        !            26: 
        !            27: // =============================================================================
        !            28: // ApplePS2KeyboardDevice Class Implementation
        !            29: //
        !            30: 
        !            31: #define super IOService
        !            32: OSDefineMetaClassAndStructors(ApplePS2KeyboardDevice, IOService);
        !            33: 
        !            34: bool ApplePS2KeyboardDevice::attach( IOService * provider )
        !            35: {
        !            36:   if( !super::attach(provider) )  return false;
        !            37: 
        !            38:   assert(_controller == 0);
        !            39:   _controller = (ApplePS2Controller *)provider;
        !            40:   _controller->retain();
        !            41: 
        !            42:   return true;
        !            43: }
        !            44: 
        !            45: // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        !            46: 
        !            47: void ApplePS2KeyboardDevice::detach( IOService * provider )
        !            48: {
        !            49:   assert(_controller == provider);
        !            50:   _controller->release();
        !            51:   _controller = 0;
        !            52: 
        !            53:   super::detach(provider);
        !            54: }
        !            55: 
        !            56: // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        !            57: 
        !            58: void ApplePS2KeyboardDevice::installInterruptAction(OSObject *         target,
        !            59:                                                     PS2InterruptAction action)
        !            60: {
        !            61:   _controller->installInterruptAction(kDT_Keyboard, target, action);
        !            62: }
        !            63: 
        !            64: // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        !            65: 
        !            66: void ApplePS2KeyboardDevice::uninstallInterruptAction()
        !            67: {
        !            68:   _controller->uninstallInterruptAction(kDT_Keyboard);
        !            69: }
        !            70: 
        !            71: // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        !            72: 
        !            73: PS2Request * ApplePS2KeyboardDevice::allocateRequest()
        !            74: {
        !            75:   return _controller->allocateRequest();
        !            76: }
        !            77: 
        !            78: // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        !            79: 
        !            80: void ApplePS2KeyboardDevice::freeRequest(PS2Request * request)
        !            81: {
        !            82:   _controller->freeRequest(request);
        !            83: }
        !            84: 
        !            85: // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        !            86: 
        !            87: bool ApplePS2KeyboardDevice::submitRequest(PS2Request * request)
        !            88: {
        !            89:   return _controller->submitRequest(request);
        !            90: }
        !            91: 
        !            92: // - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
        !            93: 
        !            94: void ApplePS2KeyboardDevice::submitRequestAndBlock(PS2Request * request)
        !            95: {
        !            96:   _controller->submitRequestAndBlock(request);
        !            97: }

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