dsa4.h

一个不错的硬盘播放器程序,包含VFD显示程序,红外线遥控程序,硬盘读写程序,及解码程序等.

/* Copyright 1996, ESS Technology, Inc. */
/* SCCSID @(#)dsa4.h	1.11 8/7/97		*/

/*
 * This is for communication with Sony system controller
 * Modified from version 1.11 of custdsa.h for ES3210 code
 */

#ifndef _DSA4_H_
#define _DSA4_H_

/*
 * In our hardware, AUX0 and AUX1 are open collector pads.
 * AUX2 to AUX5 are tristate which requires external pull-up resistors
 * for our application.
 *
 * For old board:
 *	AUX0		as	DSA XmtClk	(3210->uP)
 *	AUX1		as	DSA DataM2S	(3210->uP)
 *	AUX2		as	DSA DataS2M	(uP->3210)
 *	AUX5		as	DSA SysRcvRdy	(3210->uP)
 *	AUX6		as	DSA MpgXmtRq	(uP->3210)
 *	AUX7		as	DSA SysXmtRq	(uP->3210)
 *
 * For new board (CUST4_NEW_BOARD):
 *	CS1(0x14000000)	as	DSA XmtClk	(3210->uP)
 *	AUX1		as	DSA DataS2M	(3210->uP)
 *	AUX2		as	DSA DataM2S	(uP->3210)
 *	AUX5		as	DSA SysRcvRdy	(3210->uP)
 *	AUX6		as	DSA MpgXmtRq	(uP->3210)
 *	AUX7		as	DSA SysXmtRq	(uP->3210)
 *
 * For 3210 there is no host port..use AUX1 & AUX2 as serial data lines 
 */

#ifdef CUST4_NEW_BOARD
/* Misc communication macros */
#define READ_HOST_DATA		(AUX1_HIGH >> 1)
#define WRITE_HI_TO_HOST	SET_AUX2
#define WRITE_LOW_TO_HOST	CLEAR_AUX2
#define LOWER_XMT_CLK		
#define RAISE_XMT_CLK		
#define XMT_CLK			
#define LOWER_MPG_XMT_RQ	CLEAR_AUX6
#define RAISE_MPG_XMT_RQ	SET_AUX6
#define SYS_XMT_RQ		AUX7_HIGH
#define SYS_RCV_RDY		AUX5_HIGH

#else /* Old Board */
/* Misc communication macros */
#define READ_HOST_DATA		(AUX2_HIGH >> 2)
#define WRITE_HI_TO_HOST	SET_AUX1
#define WRITE_LOW_TO_HOST	CLEAR_AUX1
#define LOWER_XMT_CLK		CLEAR_AUX0
#define RAISE_XMT_CLK		SET_AUX0
#define XMT_CLK			AUX0_HIGH
#define LOWER_MPG_XMT_RQ	CLEAR_AUX6
#define RAISE_MPG_XMT_RQ	SET_AUX6
#define SYS_XMT_RQ		AUX7_HIGH
#define SYS_RCV_RDY		AUX5_HIGH
#endif /* CUST4_NEW_BOARD */

/* dsa commands (uP->3210 opcodes) */
#define	DSA_S2M_RESET		0x00000000
#define	DSA_S2M_START		0x01000000
#define	DSA_S2M_START_RESUME	0x02000000
#define	DSA_S2M_RESUME_INFO	0x03000000
#define DSA_KEY			0x10000000
#define	DSA_SERVO_FOUND		0x20000000
#define	DSA_SERVO_ERROR		0x21000000
#define	DSA_SERVO_STOPPED	0x22000000
#define	DSA_SERVO_MODE		0x23000000
#define	DSA_SERVO_REL_A2B	0x24000000
#define	DSA_SERVO_TITLE		0x25000000
#define	DSA_SERVO_REL_TIME	0x26000000
#define	DSA_SERVO_ABS_TIME	0x27000000
#define	DSA_SERVO_LTOC_TRK	0x28000000
#define	DSA_SERVO_LTOC_MSF	0x29000000
#define	DSA_SERVO_REACH_BTIME	0x2a000000

/* dsa commands (3210->uP opcodes) */
#define DSA_M2S_READY		0x80000000
#define DSA_M2S_DISC_INFO	0x81000000
#define DSA_M2S_RESUME_INFO	0x83000000
#define DSA_M2S_END		0x84000000
#define DSA_M2S_STOP		0x85000000
#define DSA_LED_0		0x90000000
#define DSA_LED_1		0x91000000
#define DSA_LED_2		0x92000000
#define DSA_LED_3		0x93000000
#define DSA_LED_4		0x94000000
#define DSA_LED_5		0x95000000
#define DSA_LED_6		0x96000000
#define DSA_LED_7		0x97000000
#define DSA_LED_8		0x98000000
#define DSA_LED_9		0x99000000
#define DSA_LED_A		0x9a000000
#define DSA_LED_CNT		0x9f000000
#define DSA_PAUSE		0xa0000000
#define DSA_PAUSE_RELEASE	0xa1000000
#define DSA_STOP		0xa2000000
#define DSA_MODE		0xa3000000
#define DSA_REL_A2B		0xa4000000
#define DSA_GO_MSF		0xa5000000
#define DSA_A2B_BMSF		0xa6000000
#define DSA_A2B_EMSF		0xa7000000
#define DSA_LTOC		0xa8000000
#define DSA_PLAY_MODE		0xa9000000	


/* SysCon play mode(DSA_PLAY_MODE) bits
 *
 * [1:0] Mode (Operand1):
 *  00 - NORMAL
 *  01 - FAST-FORWARD
 *  10 - FAST-REVERSE		
 *
 * [7:2] don't care
 */
#define PLAY_MODE_NORMAL	0x0
#define PLAY_MODE_FFWD		0x1
#define PLAY_MODE_FREW		0x2


/* 
 * CD-module's mode bits
 * 2:0	sets the speed
 *		001: normal CD-DA 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: ATTI (Absolute Time) is sent (currently not used)
 *	10: ATTI (Relative Time) is sent. 
 *	11: reserved
 * 7-6	reserved
 */	
#define	MODE_SPEED_NORMAL	0x1
#define	MODE_AUDIO		0x0
#define	MODE_CDROM		0x8
#define	MODE_ATTI_NONE		0x0
#define	MODE_ATTI_REL		0x20


/* 
 * Special LED segments display modes:
 * 	00  -   Segment OFF 
 *	01  -	Segment ON
 *	10  -	FLASH1 (500msec ON / 300msec OFF)
 *	11  -	FLASH2 (128msec ON / 128msec OFF)
 *
 * Operand1 display mode bits assignment:
 *	bit [23:22] - "Repeat" segment
 *	bit [21:20] - "Intro PGM" segment
 *	bit [19:18] - "1" segment
 *	bit [17:16] - "Shuffle" segment
 *
 * Operand2 display mode bits assignment:
 *	bit [15:14] - "RMS" segment
 *	bit [13:12] - "ESP" segment
 *	bit [11:10] - "BASS" segment
 *	bit [9:8]   - "BASS MAX" segment
 *
 * * * Macros for Operand1 */	
#define LED_REPEAT_OFF		0xc000 /* "AND" mask */
#define LED_REPEAT_ON		0x4000
#define LED_REPEAT_FLASH1	0x8000
#define LED_REPEAT_FLASH2	0xc000
#define LED_INTRO_PGM_OFF	0x3000 /* "AND" mask */
#define LED_INTRO_PGM_ON	0x1000
#define LED_INTRO_PGM_FLASH1	0x2000
#define LED_INTRO_PGM_FLASH2	0x3000
#define LED_1_OFF		0x0c00 /* "AND" mask */
#define LED_1_ON		0x0400
#define LED_1_FLASH1		0x0800
#define LED_1_FLASH2		0x0c00
#define LED_SHUFFLE_OFF		0x0300 /* "AND" mask */
#define LED_SHUFFLE_ON		0x0100
#define LED_SHUFFLE_FLASH1	0x0200
#define LED_SHUFFLE_FLASH2	0x0300
    /* Macros for Operand2 */	
#define LED_RMS_OFF		0x00c0 /* "AND" mask */
#define LED_RMS_ON		0x0040
#define LED_RMS_FLASH1		0x0080
#define LED_RMS_FLASH2		0x00c0
/* Only applies for CDDA.. 
 *  #define LED_ESP_OFF		0x0030 
 *  #define LED_ESP_ON		0x0010
 *  #define LED_ESP_FLASH1	0x0020
 *  #define LED_ESP_FLASH2	0x0030
 *  #define LED_BASS_OFF	0x000c 
 *  #define LED_BASS_ON		0x0004
 *  #define LED_BASS_FLASH1	0x0008
 *  #define LED_BASS_FLASH2	0x000c
 *  #define LED_BASS_MAX_OFF	0x0003 
 *  #define LED_BASS_MAX_ON	0x0001
 *  #define LED_BASS_MAX_FLASH1	0x0002
 *  #define LED_BASS_MAX_FLASH2	0x0003
 */
/*
 * Set DAC mode
 */
#define	DAC_IIS_FS		0x1
#define	DAC_IIS_2FS		0x2
#define	DAC_IIS_4FS		0x3
#define	DAC_SONY16_FS		0x4
#define	DAC_SONY16_2FS		0x5
#define	DAC_SONY16_4FS		0x6
#define	DAC_SONY18_FS		0x7
#define	DAC_SONY18_2FS		0x8
#define	DAC_SONY18_4FS		0x9

/* transceiving defines */
#define BYTE_SIZE		8
#define COMMAND_SIZE		32

/* DSA transmission state (tran_state) */
#define D_IDLE       		0
#define D_UPREQ     		1
#define D_UPRECV     		2

/* DSA receiving state (rec_state) */
#define R_IDLE	    		0
#define R_HOSTRCV		1
#define R_FINISH		2
#define R_WAIT	    		3


/************************************************************************
 * Exported CUST4 variables
 ************************************************************************/
/* 
 * Play defines for CUST4
 */
/* cur_playmode: 	*/
#define PLAYMODE_EXIT		0
#define PLAYMODE_SEARCH9	1
#define PLAYMODE_STROBE		2
#define PLAYMODE_STROBE9	3
extern unsigned char	cur_playmode; /* for playmode indication */

extern char	PLAY_next_subdigest;	/* Used to advance digest window  */

/************************************************************************
 * Exported CUST4 functions
 ************************************************************************/
extern int	dsa_LED_tms(unsigned int, unsigned int);
extern int	dsa_LED_special(unsigned int, unsigned int);

#endif	/* _DSA4_H_ */