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Annotation of XNU/iokit/Drivers/hidsystem/drvAppleADBDevices/IOADBDevice.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:  * 18 June 1998 sdouglas  Start IOKit version.
        !            24:  * 17 Nov  1998 suurballe Port objc to c++
        !            25:  */
        !            26: 
        !            27: #include <IOKit/adb/IOADBDevice.h>
        !            28: 
        !            29: #define super IOService
        !            30: OSDefineMetaClassAndStructors(IOADBDevice,IOService)
        !            31: 
        !            32: // **********************************************************************************
        !            33: // init
        !            34: //
        !            35: // **********************************************************************************
        !            36: bool IOADBDevice::init ( OSDictionary * regEntry, ADBDeviceControl * us )
        !            37: {
        !            38: if( !super::init(regEntry))
        !            39:     return false;
        !            40: 
        !            41: fBusRef = us;
        !            42: return true;
        !            43: }
        !            44: 
        !            45: 
        !            46: // **********************************************************************************
        !            47: // attach
        !            48: //
        !            49: // **********************************************************************************
        !            50: bool IOADBDevice::attach ( IOADBBus * controller )
        !            51: {
        !            52: if( !super::attach(controller))
        !            53:     return false;
        !            54: 
        !            55: bus = controller;
        !            56: return true;
        !            57: }
        !            58: 
        !            59: // **********************************************************************************
        !            60: // matchPropertyTable
        !            61: //
        !            62: // **********************************************************************************
        !            63: 
        !            64: bool IOADBDevice::matchPropertyTable( OSDictionary * table )
        !            65: {
        !            66:   return( bus->matchNubWithPropertyTable( this, table ));
        !            67: }
        !            68: 
        !            69: // **********************************************************************************
        !            70: // seizeForClient
        !            71: //
        !            72: // **********************************************************************************
        !            73: bool IOADBDevice::seizeForClient ( IOService * client, ADB_callback_func handler )
        !            74: {
        !            75: bus->setOwner(fBusRef,client,handler);
        !            76: 
        !            77: return true;
        !            78: }
        !            79: 
        !            80: 
        !            81: // **********************************************************************************
        !            82: // releaseFromClient
        !            83: //
        !            84: // **********************************************************************************
        !            85: void IOADBDevice::releaseFromClient ( IORegistryEntry * )
        !            86: {
        !            87:     kprintf("IOADBDevice::releaseFromClient\n");
        !            88:     bus->clearOwner(fBusRef);
        !            89: }
        !            90: 
        !            91: 
        !            92: // **********************************************************************************
        !            93: // flush
        !            94: //
        !            95: // **********************************************************************************
        !            96: IOReturn IOADBDevice::flush ( void )
        !            97: {
        !            98: return( bus->flush(fBusRef) );
        !            99: }
        !           100: 
        !           101: 
        !           102: // **********************************************************************************
        !           103: // readRegister
        !           104: //
        !           105: // **********************************************************************************
        !           106: IOReturn IOADBDevice::readRegister ( IOADBRegister adbRegister, UInt8 * data,
        !           107:                IOByteCount * length )
        !           108: {
        !           109: return( bus->readRegister(fBusRef,adbRegister,data,length) );
        !           110: }
        !           111: 
        !           112: 
        !           113: // **********************************************************************************
        !           114: // writeRegister
        !           115: //
        !           116: // **********************************************************************************
        !           117: IOReturn IOADBDevice::writeRegister ( IOADBRegister adbRegister, UInt8 * data,
        !           118:                IOByteCount * length )
        !           119: {
        !           120: return( bus->writeRegister(fBusRef,adbRegister,data,length) );
        !           121: }
        !           122: 
        !           123: 
        !           124: // **********************************************************************************
        !           125: // address
        !           126: //
        !           127: // **********************************************************************************
        !           128: IOADBAddress IOADBDevice::address ( void )
        !           129: {
        !           130: return( bus->address(fBusRef) );
        !           131: }
        !           132: 
        !           133: 
        !           134: // **********************************************************************************
        !           135: // defaultAddress
        !           136: //
        !           137: // **********************************************************************************
        !           138: IOADBAddress IOADBDevice::defaultAddress ( void )
        !           139: {
        !           140: return( bus->defaultAddress(fBusRef) );
        !           141: }
        !           142: 
        !           143: 
        !           144: // **********************************************************************************
        !           145: // handlerID
        !           146: //
        !           147: // **********************************************************************************
        !           148: UInt8 IOADBDevice::handlerID ( void )
        !           149: {
        !           150: return( bus->handlerID(fBusRef) );
        !           151: }
        !           152: 
        !           153: 
        !           154: // **********************************************************************************
        !           155: // defaultHandlerID
        !           156: //
        !           157: // **********************************************************************************
        !           158: UInt8 IOADBDevice::defaultHandlerID ( void )
        !           159: {
        !           160: return( bus->defaultHandlerID(fBusRef) );
        !           161: }
        !           162: 
        !           163: 
        !           164: // **********************************************************************************
        !           165: // setHandlerID
        !           166: //
        !           167: // **********************************************************************************
        !           168: IOReturn IOADBDevice::setHandlerID ( UInt8 handlerID )
        !           169: {
        !           170: return( bus->setHandlerID(fBusRef,handlerID) );
        !           171: }
        !           172: 
        !           173: 
        !           174: // **********************************************************************************
        !           175: // busRef
        !           176: //
        !           177: // **********************************************************************************
        !           178: void * IOADBDevice::busRef ( void )
        !           179: {
        !           180: return fBusRef;
        !           181: }

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