#ifndef DEVICES_AUDIO_H
#define DEVICES_AUDIO_H
/*
**      $Filename: devices/audio.h $
**      $Release: 2.04 Includes, V37.4 $
**      $Revision: 36.3 $
**      $Date: 90/08/29 $
**
**      audio.device include file
**
**      (C) Copyright 1985-1999 Amiga, Inc.
**          All Rights Reserved
*/

#ifndef EXEC_IO_H
#include "exec/io.h"
#endif

#define AUDIONAME               "audio.device"

#define ADHARD_CHANNELS         4

#define ADALLOC_MINPREC                -128
#define ADALLOC_MAXPREC         127

#define ADCMD_FREE             (CMD_NONSTD+0)
#define ADCMD_SETPREC          (CMD_NONSTD+1)
#define ADCMD_FINISH           (CMD_NONSTD+2)
#define ADCMD_PERVOL           (CMD_NONSTD+3)
#define ADCMD_LOCK             (CMD_NONSTD+4)
#define ADCMD_WAITCYCLE                (CMD_NONSTD+5)
#define ADCMD_ALLOCATE          32

#define ADIOB_PERVOL           4
#define ADIOF_PERVOL           (1<<4)
#define ADIOB_SYNCCYCLE                5
#define ADIOF_SYNCCYCLE                (1<<5)
#define ADIOB_NOWAIT           6
#define ADIOF_NOWAIT           (1<<6)
#define ADIOB_WRITEMESSAGE     7
#define ADIOF_WRITEMESSAGE      (1<<7)

#define ADIOERR_NOALLOCATION   -10
#define ADIOERR_ALLOCFAILED    -11
#define ADIOERR_CHANNELSTOLEN   -12

struct IOAudio {
    struct IORequest ioa_Request;
    WORD ioa_AllocKey;
    UBYTE *ioa_Data;
    ULONG ioa_Length;
    UWORD ioa_Period;
    UWORD ioa_Volume;
    UWORD ioa_Cycles;
    struct Message ioa_WriteMsg;
};

#endif  /* DEVICES_AUDIO_H */