Source to iokit/Drivers/audio/drvPPCAwacs/PPCAwacs.h

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/*
 * Copyright (c) 1998-2000 Apple Computer, Inc. All rights reserved.
 *
 * @APPLE_LICENSE_HEADER_START@
 * 
 * The contents of this file constitute Original Code as defined in and
 * are subject to the Apple Public Source License Version 1.1 (the
 * "License").  You may not use this file except in compliance with the
 * License.  Please obtain a copy of the License at
 * http://www.apple.com/publicsource and read it before using this file.
 * 
 * This Original Code and all software distributed under the License are
 * distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY KIND, EITHER
 * EXPRESS OR IMPLIED, AND APPLE HEREBY DISCLAIMS ALL SUCH WARRANTIES,
 * INCLUDING WITHOUT LIMITATION, ANY WARRANTIES OF MERCHANTABILITY,
 * FITNESS FOR A PARTICULAR PURPOSE OR NON-INFRINGEMENT.  Please see the
 * License for the specific language governing rights and limitations
 * under the License.
 * 
 * @APPLE_LICENSE_HEADER_END@
 */
/*
 * Copyright (c) 1998 Apple Computer, Inc.  All rights reserved. 
 *
 * Interface definition for the Awacs audio Controller 
 *
 * HISTORY
 *
 */

#ifndef _PPCAWACS_H
#define _PPCAWACS_H

#include <IOKit/audio/IOAudioBus.h>

struct awacs_regmap_t;
struct IODBDMAChannelRegisters;
struct IODBDMADescriptor;

// 2 Digital DMA streams
#define kNumDMAStreams 2

// Controls for awacs/screamer
enum {
    kSpeakerMute = 0,
    kSpeakerVolLeft = 1,
    kSpeakerVolRight = 2,
    kHeadphonesMute = 3,
    kHeadphonesVolLeft = 4,
    kHeadphonesVolRight = 5,
    kMicrophoneMute = 6,
    kCDMute = 7,
    kMixerInVolLeft = 8,
    kMixerInVolRight = 9,
    kPassThruVolLeft = 10,