dsa.h

来自「ESS3890+SL原代码（1*16内存）」· C头文件 代码 · 共 198 行

/* Copyright 1996, ESS Technology, Inc.					*/
/* SCCSID  @(#)dsa.h	4.10 10/08/03 */

/*
 * $Log$
 */

#ifndef	_dsa_h_
#define	_dsa_h_

#include "common.h"

/************************************************************************
 * Global defines.							*
 ************************************************************************/
/* 
 * currDSAmode bits 
 * 2:0	sets the speed
 *		000: illegal
 *		001: normal CD-DA speed
 *		010: double speed
 *		other values are reserved
 * 3	0: audio mode; 1: CD-ROM mode
 * 5:4	Actual Title, time, index (ATTI) setting
 *		00: no title, index, or time send during play modes
 *		01: sending title, index, and absolute time (min/sec)
 *		10: sending title, index and relative time  (min/sec)
 *		11: reserved
 * 7-6	reserved
 */	
#define	MODE_SPEED_NORMAL	0x1
#define	MODE_SPEED_DOUBLE	0x2
#define	MODE_AUDIO		0x0
#define	MODE_CDROM		0x8
#define	MODE_ATTI_NONE		0x0
#define	MODE_ATTI_ABS		0x10
#define	MODE_ATTI_REL		0x20

/* CD speed and settings						*/
#define	SET_CD_1X	0	/* Set servo speed to 1X */ 
#define SET_CD_2X	1       /* Set servo speed to 2X */
#define SET_CD_4X	2       /* Set servo speed to 4X */

/* CD type								*/
#define	CD_UNKNOWN		0	/* Has to be 0			*/
#define	CD_CDDA			1
#define	CD_CDI			2
#define	CD_VCD			3
#define	CD_NODISC		4
#if (defined(DATA_CD) || defined(MEMORY_DEVICE))
#define CD_DATA			5
#endif

/* "VIDEO_CD" and "ENTRYVCD" strings					*/
#define	VIDE	0x56494445		/* "VIDE" */
#define	O_CD	0x4f5f4344		/* "O_CD" */
#define	ENTR	0x454e5452		/* "ENTR" */
#define	YVCD	0x59564344		/* "YVCD" */
#define	CD_I	0x43442d49		/* "CD-I" */

/* for CD7II */
#define SET_CD_DATA_1X  1       /* Set servo to 1X data CD (e.g. VCD)   */
#define SET_CD_AUDIO    2       /* Set speed and DAC for CD7II audio    */


/* Global error code (for communication with external micro processor)	*/
#define	ERR_LTOC	0x80	/* LTOC error ("Disc error")		*/
#define	ERR_UNKNOWNCD	0x81	/* Unknown CD type ("Unknown CD type")	*/
#define	ERR_TRAYEMPTY	0x82	/* Empty CD tray ("Insert CD")		*/
#define	ERR_DISCERR	0x83	/* Disc error ("Disc error")		*/
#define	ERR_DSAMODE	0x84	/* DSA mode error ("CD drive error")	*/
#define	ERR_DSADAC	0x85	/* DSA DAC error ("CD drive error")	*/
#define	ERR_DSARELEASE	0x86	/* DSA release A->B error ("CD driver")	*/
#define	ERR_DSAA2B	0x87	/* DSA go A->B error			*/
#define	ERR_GETSECTOR   0x90	/* getSector error			*/
#define	ERR_EARLYQUIT	0x91	/* User requests to quit		*/
#define	ERR_EXCEEDTK	0x92	/* Too many tracks			*/
#define	ERR_EXCEEDSEG	0x93	/* Too many segments			*/
#define	ERR_PLAYSECTORS	0x94	/* playSectors error			*/


#ifdef SONY3D
/* tray state */
#define TRAY_OPENED             1
#define TRAY_CLOSED             2
#define TRAY_OPENING            3
#define TRAY_CLOSING            4
#endif


#ifdef SERVO_6003
/* Philips 6003 CD loader define */
#define ROTATE_CLOCK_MOVE         DSC_set_aux(1, 0, 0x20)
#define ROTATE_CLOCK_ANTI_MOVE    DSC_set_aux(1, 0, 0x10)
#define ROTATE_STOP               DSC_set_aux(1, 1, 0x30)
#define TRAY_OPEN                 DSC_set_aux(1, 0, 0x01)
#define TRAY_CLOSE                DSC_set_aux(1, 0, 0x02)
#define TRAY_STOP                 DSC_set_aux(1, 1, 0x03)
#define CD_UP_IS_HIGH             EAUX10_HIGH     /*test up CD */
#define CD_UP_IS_LOW              EAUX10_LOW      /*test down CD*/
#define DISC_1_IS_HIGH            EAUX6_HIGH      /*test disc is not in disc-1*/
#define DISC_1_IS_LOW             EAUX6_LOW       /*test disc is disc-1*/
#define TRAY_SH_IS_HIGH           EAUX11_HIGH     /*test loader is moving*/
#define TRAY_SH_IS_LOW            EAUX11_LOW      /*test loader has stopped*/
#define TRISTATE_6003_EAUX        { DSC_set_aux(0, 2, 0x40); \
				    DSC_set_aux(1, 2, 0x0c); }
EXPORT  int eject_6003_retry;    /* philips 6003 loader open/close retry flag */
#endif
EXPORT  unsigned char cd_opened;           /* 1 -> CD is open               */

/************************************************************************
 * Shared data type.							*
 ************************************************************************/
typedef struct _cd_info {
    unsigned char type;
    int firsttrack;		/* first track # 			*/
    int lasttrack;		/* last track # 			*/
    unsigned int  leadout;	/* lead out time			*/
} CDINFO;


/************************************************************************
 * Global variables.							*
 ************************************************************************/
#ifdef PLAY20
GBLDEF0(unsigned char	num_of_session);  /* number of session */
GBLDEF0(int	last_session_msf);  	  /* last session msf */
GBLDEF_0(char tv_changed, 0);
#endif	/* PLAY20 */

/* for playSectors_step_by_step() */
#define PLAY_SECTOR_INIT 		0
#define PLAY_SECTOR_DSA_GO		1
#define PLAY_SECTOR_DSA_FIND_INIT	2
#define PLAY_SECTOR_DSA_FIND		3
GBLDEF(int play_sector_state, PLAY_SECTOR_INIT);

/* for playCDDA_step_by_step() */
#define PLAY_CDDA_INIT 		0
#define PLAY_CDDA_XPORT_START	1
#define PLAY_CDDA_DSA_GO	2
#define PLAY_CDDA_WAIT_BEGIN	3
#define PLAY_CDDA_TDM_ON	4
#define PLAY_CDDA_MATCH		5
GBLDEF(int play_cdda_state, PLAY_CDDA_INIT);

EXPORT	int		power_up;
EXPORT	CDINFO		CDinfo;
EXPORT	int		CDinited;
EXPORT	char		forceDSAabort;
EXPORT	int		first_seg_ad;
EXPORT	int		num_of_track;
EXPORT	int		bcd_num_of_track;
EXPORT	int		tdm_played;
EXPORT  unsigned int	err_code;
EXPORT  unsigned char	servo_track_changed;

EXPORT	unsigned int	servo_info;
EXPORT	unsigned int	last_servo_info;
EXPORT	unsigned char 	program_on;
EXPORT  char		use_dig_out;	/* 1 to enable digital mute */
EXPORT	char		limit_sw_active_high;

/************************************************************************
 * Exported functions (called from routines in EPROM)			*
 ************************************************************************/
EXPORT	int		dsa_open(void);
EXPORT	int		dsa_close(int power_down);
EXPORT	int		dsa_pause(void);
EXPORT	int		dsa_pauserelease(void);
EXPORT	int 		dsa_get_disc_status(unsigned char *status);
EXPORT	int		dsa_release(unsigned int, unsigned int);
EXPORT	int		dsa_stop(void);
EXPORT	int		dsa_ltoc(unsigned int *, int);
EXPORT	int		dsa_rotate_disk(int direction);
EXPORT	void		receive_dsa(void);
EXPORT  void            dsa_reset();
EXPORT	int		initCD(void);
EXPORT	int		abortLtoc(void);
EXPORT	int		playCDDA(int, int, int);

EXPORT	int		currentTVmode;
EXPORT	void		fill_screen(int color);
EXPORT	unsigned char	*CDI_ptr;
EXPORT  int             getSectors(unsigned int, int, int);

EXPORT	int		playSectors_step_by_step(uint, uint, int, int);
EXPORT	int		playCDDA_step_by_step(int, int, int, int);
EXPORT	int		dsa_go(unsigned int);
EXPORT	int		dsa_mode(int);

/************************************************************************
 * Exported functions (called from routines in SRAM)			*
 ************************************************************************/
EXPORT	void		service_dsa(int);

#endif /* _dsa_h_ */