iokit/Families/IOCDStorage/IOCDAudioControl.cpp

   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/storage/IOCDAudioControl.h>
  24 #include <IOKit/storage/IOCDAudioControlUserClient.h>
  25 #include <IOKit/storage/IOCDBlockStorageDriver.h>
  26
  27 #define super IOService
  28 OSDefineMetaClassAndStructors(IOCDAudioControl, IOService)
  29
  30 IOCDBlockStorageDriver *
  31 IOCDAudioControl::getProvider() const
  32 {
  33     return (IOCDBlockStorageDriver *) IOService::getProvider();
  34 }
  35
  36 IOReturn
  37 IOCDAudioControl::getStatus(CDAudioStatus *status)
  38 {
  39     return(getProvider()->getAudioStatus(status));
  40 }
  41
  42 CDTOC *
  43 IOCDAudioControl::getTOC(void)
  44 {
  45     return(getProvider()->getTOC());
  46 }
  47
  48 IOReturn
  49 IOCDAudioControl::getVolume(UInt8 *left,UInt8 *right)
  50 {
  51     return(getProvider()->getAudioVolume(left,right));
  52 }
  53
  54 IOReturn
  55 IOCDAudioControl::newUserClient(task_t task,
  56                   void *            /* security */,
  57                   UInt32            /* type */,
  58                   IOUserClient **   object )
  59
  60 {
  61     IOReturn err = kIOReturnSuccess;
  62     IOCDAudioControlUserClient *      client;
  63
  64     client = IOCDAudioControlUserClient::withTask(task);
  65
  66     if( !client || (false == client->attach( this )) ||
  67         (false == client->start( this )) ) {
  68         if(client) {
  69             client->detach( this );
  70             client->release();
  71         }
  72         err = kIOReturnNoMemory;
  73     }
  74
  75     *object = client;
  76     return( err );
  77 }
  78
  79 IOReturn
  80 IOCDAudioControl::pause(bool pause)
  81 {
  82     return(getProvider()->audioPause(pause));
  83 }
  84
  85 IOReturn
  86 IOCDAudioControl::play(CDMSF timeStart,CDMSF timeStop)
  87 {
  88     return(getProvider()->audioPlay(timeStart,timeStop));
  89 }
  90
  91 IOReturn
  92 IOCDAudioControl::scan(CDMSF timeStart,bool reverse)
  93 {
  94     return(getProvider()->audioScan(timeStart,reverse));
  95 }
  96
  97 IOReturn
  98 IOCDAudioControl::stop()
  99 {
 100     return(getProvider()->audioStop());
 101 }
 102
 103 IOReturn
 104 IOCDAudioControl::setVolume(UInt8 left,UInt8 right)
 105 {
 106     return(getProvider()->setAudioVolume(left,right));
 107 }
 108
 109 OSMetaClassDefineReservedUnused(IOCDAudioControl, 0);
 110 OSMetaClassDefineReservedUnused(IOCDAudioControl, 1);
 111 OSMetaClassDefineReservedUnused(IOCDAudioControl, 2);
 112 OSMetaClassDefineReservedUnused(IOCDAudioControl, 3);
 113 OSMetaClassDefineReservedUnused(IOCDAudioControl, 4);
 114 OSMetaClassDefineReservedUnused(IOCDAudioControl, 5);
 115 OSMetaClassDefineReservedUnused(IOCDAudioControl, 6);
 116 OSMetaClassDefineReservedUnused(IOCDAudioControl, 7);