/*
    SDL - Simple DirectMedia Layer
    Copyright (C) 1997-2004 Sam Lantinga

    This library is free software; you can redistribute it and/or
    modify it under the terms of the GNU Library General Public
    License as published by the Free Software Foundation; either
    version 2 of the License, or (at your option) any later version.

    This library is distributed in the hope that it will be useful,
    but WITHOUT ANY WARRANTY; without even the implied warranty of
    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU
    Library General Public License for more details.

    You should have received a copy of the GNU Library General Public
    License along with this library; if not, write to the Free
    Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA

    Sam Lantinga
    slouken@libsdl.org
*/
#include "SDL_config.h"

/* This is the MacOS specific header for the SDL CD-ROM API
   Contributed by Matt Slot
 */

/* AppleCD Control calls */
#define kVerifyTheDisc   	  5     /* Returns noErr if there is disc inserted */
#define kEjectTheDisc   	  7     /* Eject disc from drive */
#define kUserEject    		 80     /* Enable/disable the CD-ROM eject button */
#define kReadTOC    		100     /* Extract various TOC information from the disc */
#define kReadQ   			101     /* Extract Q subcode info for the current track */
#define kAudioTrackSearch   103 /* Start playback from the indicated position */
#define kAudioPlay    		104     /* Start playback from the indicated position */
#define kAudioPause    		105     /* Pause/continue the playback */
#define kAudioStop    		106     /* Stop playback at the indicated position */
#define kAudioStatus    	107     /* Return audio play status */
#define kAudioControl    	109     /* Set the output volume for the audio channels */
#define kReadAudioVolume   	112     /* Get the output volume for the audio channels */
#define kSetTrackList   	122     /* Set the track program for the audio CD to play */
#define kGetTrackList   	123     /* Get the track program the audio CD is playing */
#define kGetTrackIndex   	124     /* Get the track index the audio CD is playing */
#define kSetPlayMode   		125     /* Set the audio tracks play mode */
#define kGetPlayMode   		126     /* Get the audio tracks play mode */

/* AppleCD Status calls */
#define kGetDriveType   	 96     /* Get the type of the physical CD-ROM drive */
#define kWhoIsThere    		 97     /* Get a bitmap of SCSI IDs the driver controls */
#define kGetBlockSize    	 98     /* Get current block size of the CD-ROM drive */

/* AppleCD other constants */
#define kBlockPosition    	  0     /* Position at the specified logical block number */
#define kAbsMSFPosition    	  1     /* Position at the specified Min/Sec/Frame (in BCD) */
#define kTrackPosition    	  2     /* Position at the specified track number (in BCD) */
#define kIndexPosition    	  3     /* Position at the nth track in program (in BCD) */

#define kMutedPlayMode   	  0     /* Play the audio track with no output */
#define kStereoPlayMode   	  9     /* Play the audio track in normal stereo */

#define kControlFieldMask  	0x0D    /* Bits 3,2,0 in the nibble */
#define kDataTrackMask   	0x04    /* Indicates Data Track */

#define kGetTrackRange    	  1     /* Query TOC for track numbers */
#define kGetLeadOutArea    	  2     /* Query TOC for "Lead Out" end of audio data */
#define kGetTrackEntries   	  3     /* Query TOC for track starts and data types */

#define kStatusPlaying		  0     /* Audio Play operation in progress */
#define kStatusPaused		  1     /* CD-ROM device in Hold Track ("Pause") state */
#define kStatusMuted		  2     /* MUTING-ON operation in progress */
#define kStatusDone			  3     /* Audio Play completed */
#define kStatusError		  4     /* Error occurred during audio play operation */
#define kStatusStopped		  5     /* Audio play operation not requested */

#define kPlayModeSequential	  0     /*  Play tracks in order */
#define kPlayModeShuffled	  1     /* Play tracks randomly */
#define kPlayModeProgrammed   2 /* Use custom playlist */

/* AppleCD Gestalt selectors */
#define kGestaltAudioCDSelector    'aucd'
#define kDriverVersion52   		0x00000520
#define kDriverVersion51   		0x00000510
#define kDriverVersion50   		0x00000500

/* Drive type constants */
#define kDriveAppleCD_SC   				  1
#define kDriveAppleCD_SCPlus_or_150   	  2
#define kDriveAppleCD_300_or_300Plus   	  3

/* Misc constants */
#define kFirstSCSIDevice   	 -33
#define kLastSCSIDevice    	 -40

#if PRAGMA_STRUCT_ALIGN
#pragma options align=mac68k
#endif

/* AppleCD driver parameter block */
typedef struct CDCntrlParam
{
    QElemPtr qLink;
    short qType;
    short ioTrap;
    Ptr ioCmdAddr;
    IOCompletionUPP ioCompletion;
    OSErr ioResult;
    StringPtr ioNamePtr;
    short ioVRefNum;
    short ioCRefNum;
    short csCode;

    union
    {
        long longs[6];
        short words[11];
        unsigned char bytes[22];
        struct
        {
            unsigned char status;
            unsigned char play;
            unsigned char control;
            unsigned char minute;
            unsigned char second;
            unsigned char frame;
        } cd;
    } csParam;

} CDCntrlParam, *CDCntrlParamPtr;

typedef union CDTrackData
{
    long value;                 /* Treat as a longword value */
    struct
    {
        unsigned char reserved:4;       /* Unused by AppleCD driver  */
        unsigned char control:4;        /* Track flags (data track?) */
        unsigned char min;      /* Start of track (BCD)      */
        unsigned char sec;      /* Start of track (BCD)      */
        unsigned char frame;    /* Start of track (BCD)      */
    } entry;                    /* Broken into fields        */
} CDTrackData, *CDTrackPtr;

#if PRAGMA_STRUCT_ALIGN
#pragma options align=reset
#endif
/* vi: set ts=4 sw=4 expandtab: */