sdl_mintaudio_gsxb.h

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/*
 * GSXB audio definitions
 * 
 * Patrice Mandin
 */

#ifndef _SDL_mintaudio_gsxb_h
#define _SDL_mintaudio_gsxb_h

#include <mint/falcon.h>	/* for trap_14_xxx macros */

/* GSXB Cookie */

#define C_GSXB		0x47535842L

/* Bit 5 in cookie _SND */

#define SND_GSXB	(1<<5)

/* NSoundcmd modes */

#define SETRATE			7	/* Set sample rate */
#define SET8BITFORMAT	8	/* 8 bits format */
#define SET16BITFORMAT	9	/* 16 bits format */
#define SET24BITFORMAT	10	/* 24 bits format */
#define SET32BITFORMAT	11	/* 32 bits format */
#define LTATTEN_MASTER	12	/* Attenuation */
#define RTATTEN_MASTER	13
#define LTATTEN_MICIN	14
#define RTATTEN_MICIN	15
#define LTATTEN_FMGEN	16
#define RTATTEN_FMGEN	17
#define LTATTEN_LINEIN	18
#define RTATTEN_LINEIN	19
#define LTATTEN_CDIN	20
#define RTATTEN_CDIN	21
#define LTATTEN_VIDIN	22
#define RTATTEN_VIDIN	23
#define LTATTEN_AUXIN	24
#define RTATTEN_AUXIN	25

/* Setmode modes */

#define MONO16		3
#define STEREO24	4
#define STEREO32	5
#define MONO24		6
#define MONO32		7

/* Sndstatus modes */

#define SND_QUERYFORMATS	2
#define SND_QUERYMIXERS		3
#define SND_QUERYSOURCES	4
#define SND_QUERYDUPLEX		5
#define SND_QUERY8BIT		8
#define SND_QUERY16BIT		9
#define SND_QUERY24BIT		10
#define SND_QUERY32BIT		11

#define SND_FORMAT8		(1<<0)
#define SND_FORMAT16	(1<<1)
#define SND_FORMAT24	(1<<2)
#define SND_FORMAT32	(1<<3)

#define SND_FORMATSIGNED		(1<<0)
#define SND_FORMATUNSIGNED		(1<<1)
#define SND_FORMATBIGENDIAN		(1<<2)
#define SND_FORMATLITTLEENDIAN	(1<<3)

/* Devconnect prescalers */

#define CLK_44K		1
#define CLK_22K		3
#define CLK_11K		7

/* Extra xbios functions */

#define NSoundcmd(mode,data,data2)	\
	(long)trap_14_wwl((short)130,(short)(mode),(short)(data),(long)(data2))
#define NSetinterrupt(src_inter,cause,inth_addr)	\
	(long)trap_14_wwwl((short)135,(short)(src_inter),(short)(cause),	\
		(long)(inth_addr))

#endif /* _SDL_mintaudio_gsxb_h */