typedef struct cdrom_tocentry_t
{
	/* input parameters */

	unsigned char	track;	/* track number or CDROM_LEADOUT (0xAA) */
	unsigned char	format;	/* CDROM_LBA (0x01) or CDROM_MSF (0x02) */
    
	/* output parameters */

	unsigned int	adr:4;	/* the SUBQ channel encodes 0: nothing,
				   1: position data, 2: MCN, 3: ISRC,
				   else: reserved */
	unsigned int	ctrl:4;	/* bit 0: audio with pre-emphasis,
				   bit 1: digital copy permitted,
				   bit 2: data track,
				   bit 3: four channel */
	unsigned char	datamode;	/* currently not set */
	unsigned short	dummy;	/* FIXME: Unknown parameter */
	cd_ad		addr;	/* track start */
	cdrom_ti_t	cdti;	/* start and end of the track */
};

#define	CDROM_LEADOUT	0xAA
#define CDROM_LBA       0x01
#define CDROM_MSF       0x02