dsc.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 1997, ESS Technology, Inc.					*/
/* SCCSID @(#)dsc.h	1.33 12/17/97 */

/*
 * $Log$
 */

#ifndef _DSC_H_
#define _DSC_H_

#ifdef DSC

#ifndef _COMMON_H_
#include "common.h"
#endif

#ifndef __IOPORT_H__
#include "ioport.h"
#endif

#define dsc_cchip_ctl		0x02
#define dsc_cchip_ctlm		0x03

#define dsc_clkctl		0x04
#define dsc_clkctlm		0x05

#define dsc_watchdog		0x06
#define dsc_watchdogm		0x07

#define dsc_aux0_data		0x08
#define dsc_aux0_datam		0x09

#define dsc_aux0_ctl		0x0a
#define dsc_aux0_ctlm		0x0b

#define dsc_aux1_data		0x0c
#define dsc_aux1_datam		0x0d

#define dsc_aux1_ctl		0x0e
#define dsc_aux1_ctlm		0x0f

#define dsc_dvectl1		0x40
#define dsc_dvectl1m		0x41

#define dsc_dvectl2		0x42
#define dsc_dvectl2m		0x43

#define dsc_dvectl3		0x44
#define dsc_dvectl3m		0x45

#define dsc_dvectl4		0x46
#define dsc_dvectl4m		0x47

#define dsc_dvectl5		0x48
#define dsc_dvectl5m		0x49

#define dsc_dvetdat1		0x4a
#define dsc_dvetdat1m		0x4b

#define dsc_dvetdat2		0x4c
#define dsc_dvetdat2m		0x4d

#define dsc_dvetdat3		0x4e
#define dsc_dvetdat3m		0x4f

#define dsc_audioxmt1		0x80
#define dsc_audioxmt1m		0x81

#define dsc_audioacnt0l		0x84
#define dsc_audioacnt0lm	0x85

#define dsc_audioacnt0h		0x86
#define dsc_audioacnt0hm	0x87

#define dsc_audioacnt1l		0x88
#define dsc_audioacnt1lm	0x89

#define dsc_audioacnt1h		0x8a
#define dsc_audioacnt1hm	0x8b

#define dsc_audioapllm		0x8c
#define dsc_audioapllmm 	0x8d

#define dsc_audioaplln		0x8e
#define dsc_audioapllnm 	0x8f

#define dsc_audiorcv1		0xc0
#define dsc_audiorcv1m		0xc1

#define dsc_audiorcv2		0xc2
#define dsc_audiorcv2m		0xc3

#define dsc_audioadc1		0xc4
#define dsc_audioadc1m		0xc5

#define dsc_audioadc2		0xc6
#define dsc_audioadc2m		0xc7

#define dsc_audiodbg		0xc8
#define dsc_audiodbgm		0xc9

extern	int	DSC_cmd(int, int);
extern	void	DSC_encoder_off(void);
extern	void	DSC_getstatus(void);
extern	void	DSC_init(void);
extern  void    DSC_mute_on(void);
extern	void	DSC_powerdown(void);
extern	void	DSC_powerup(void);
extern	void	DSC_reset_audio(void);
extern	void	DSC_s_video(int);
extern	void	DSC_set_aux(int, int, int);
extern	void	DSC_set_TV(int);
extern	void	DSC_toggle(void);

#ifdef ECHO
extern void DSC_mic_on(void);
extern void DSC_mic_off(void);
#endif

/* Macros to set AUX pins on 3205/7/9 side */
#define	SET_EAUX0	DSC_set_aux(0, 1, 0x1)
#define	SET_EAUX1	DSC_set_aux(0, 1, 0x2)
#define	SET_EAUX2	DSC_set_aux(0, 1, 0x4)
#define	SET_EAUX3	DSC_set_aux(0, 1, 0x8)
#define	SET_EAUX4	DSC_set_aux(0, 1, 0x10)
#define	SET_EAUX5	DSC_set_aux(0, 1, 0x20)
#define	SET_EAUX6	DSC_set_aux(0, 1, 0x40)
#define	SET_EAUX7	DSC_set_aux(0, 1, 0x80)
#define	SET_EAUX8	DSC_set_aux(1, 1, 0x1)
#define	SET_EAUX9	DSC_set_aux(1, 1, 0x2)
#define	SET_EAUX10	DSC_set_aux(1, 1, 0x4)
#define	SET_EAUX11	DSC_set_aux(1, 1, 0x8)
#define	SET_EAUX12	DSC_set_aux(1, 1, 0x10)
#define	SET_EAUX13	DSC_set_aux(1, 1, 0x20)
#define	SET_EAUX14	DSC_set_aux(1, 1, 0x40)
#define	SET_EAUX15	DSC_set_aux(1, 1, 0x80)
#define	SET_ALL_EAUX	DSC_set_aux(0, 1, 0xff); DSC_set_aux(1, 1, 0xff)

/* Macros to clear AUX pins on 3205/7/9 side */
#define	CLEAR_EAUX0	DSC_set_aux(0, 0, 0x1)
#define	CLEAR_EAUX1	DSC_set_aux(0, 0, 0x2)
#define	CLEAR_EAUX2	DSC_set_aux(0, 0, 0x4)
#define	CLEAR_EAUX3	DSC_set_aux(0, 0, 0x8)
#define	CLEAR_EAUX4	DSC_set_aux(0, 0, 0x10)
#define	CLEAR_EAUX5	DSC_set_aux(0, 0, 0x20)
#define	CLEAR_EAUX6	DSC_set_aux(0, 0, 0x40)
#define	CLEAR_EAUX7	DSC_set_aux(0, 0, 0x80)
#define	CLEAR_EAUX8	DSC_set_aux(1, 0, 0x1)
#define	CLEAR_EAUX9	DSC_set_aux(1, 0, 0x2)
#define	CLEAR_EAUX10	DSC_set_aux(1, 0, 0x4)
#define	CLEAR_EAUX11	DSC_set_aux(1, 0, 0x8)
#define	CLEAR_EAUX12	DSC_set_aux(1, 0, 0x10)
#define	CLEAR_EAUX13	DSC_set_aux(1, 0, 0x20)
#define	CLEAR_EAUX14	DSC_set_aux(1, 0, 0x40)
#define	CLEAR_EAUX15	DSC_set_aux(1, 0, 0x80)
#define	CLEAR_ALL_EAUX	DSC_set_aux(0, 0, 0xff); DSC_set_aux(1, 0, 0xff)

/* Macros to tri-state AUX pins on 3205/7/9 side */
#define	TRISTATE_EAUX0	DSC_set_aux(0, 2, 0x1)
#define	TRISTATE_EAUX1	DSC_set_aux(0, 2, 0x2)
#define	TRISTATE_EAUX2	DSC_set_aux(0, 2, 0x4)
#define	TRISTATE_EAUX3	DSC_set_aux(0, 2, 0x8)
#define	TRISTATE_EAUX4	DSC_set_aux(0, 2, 0x10)
#define	TRISTATE_EAUX5	DSC_set_aux(0, 2, 0x20)
#define	TRISTATE_EAUX6	DSC_set_aux(0, 2, 0x40)
#define	TRISTATE_EAUX7	DSC_set_aux(0, 2, 0x80)
#define	TRISTATE_EAUX8	DSC_set_aux(1, 2, 0x1)
#define	TRISTATE_EAUX9	DSC_set_aux(1, 2, 0x2)
#define	TRISTATE_EAUX10	DSC_set_aux(1, 2, 0x4)
#define	TRISTATE_EAUX11	DSC_set_aux(1, 2, 0x8)
#define	TRISTATE_EAUX12	DSC_set_aux(1, 2, 0x10)
#define	TRISTATE_EAUX13	DSC_set_aux(1, 2, 0x20)
#define	TRISTATE_EAUX14	DSC_set_aux(1, 2, 0x40)
#define	TRISTATE_EAUX15	DSC_set_aux(1, 2, 0x80)
#define	TRISTATE_ALL_EAUX DSC_set_aux(0, 2, 0xff); DSC_set_aux(1, 2, 0xff)

/* Macros to sense the AUX values on 3205/7/9 */
#define	EAUX0_HIGH	(DSC_cmd(dsc_aux0_datam, 0) & 0x1)
#define	EAUX1_HIGH	(DSC_cmd(dsc_aux0_datam, 0) & 0x2)
#define	EAUX2_HIGH	(DSC_cmd(dsc_aux0_datam, 0) & 0x4)
#define	EAUX3_HIGH	(DSC_cmd(dsc_aux0_datam, 0) & 0x8)
#define	EAUX4_HIGH	(DSC_cmd(dsc_aux0_datam, 0) & 0x10)
#define	EAUX5_HIGH	(DSC_cmd(dsc_aux0_datam, 0) & 0x20)
#define	EAUX6_HIGH	(DSC_cmd(dsc_aux0_datam, 0) & 0x40)
#define	EAUX7_HIGH	(DSC_cmd(dsc_aux0_datam, 0) & 0x80)
#define	EAUX8_HIGH	(DSC_cmd(dsc_aux1_datam, 0) & 0x1)
#define	EAUX9_HIGH	(DSC_cmd(dsc_aux1_datam, 0) & 0x2)
#define	EAUX10_HIGH	(DSC_cmd(dsc_aux1_datam, 0) & 0x4)
#define	EAUX11_HIGH	(DSC_cmd(dsc_aux1_datam, 0) & 0x8)
#define	EAUX12_HIGH	(DSC_cmd(dsc_aux1_datam, 0) & 0x10)
#define	EAUX13_HIGH	(DSC_cmd(dsc_aux1_datam, 0) & 0x20)
#define	EAUX14_HIGH	(DSC_cmd(dsc_aux1_datam, 0) & 0x40)
#define	EAUX15_HIGH	(DSC_cmd(dsc_aux1_datam, 0) & 0x80)

#define	EAUX0_LOW	(!EAUX0_HIGH)
#define	EAUX1_LOW	(!EAUX1_HIGH)
#define	EAUX2_LOW	(!EAUX2_HIGH)
#define	EAUX3_LOW	(!EAUX3_HIGH)
#define	EAUX4_LOW	(!EAUX4_HIGH)
#define	EAUX5_LOW	(!EAUX5_HIGH)
#define	EAUX6_LOW	(!EAUX6_HIGH)
#define	EAUX7_LOW	(!EAUX7_HIGH)
#define	EAUX8_LOW	(!EAUX8_HIGH)
#define	EAUX9_LOW	(!EAUX9_HIGH)
#define	EAUX10_LOW	(!EAUX10_HIGH)
#define	EAUX11_LOW	(!EAUX11_HIGH)
#define	EAUX12_LOW	(!EAUX12_HIGH)
#define	EAUX13_LOW	(!EAUX13_HIGH)
#define	EAUX14_LOW	(!EAUX14_HIGH)
#define	EAUX15_LOW	(!EAUX15_HIGH)

#define	GET_EAUX7_0	(DSC_cmd(dsc_aux0_datam, 0) & 0xff)
#define	GET_EAUX15_8	(DSC_cmd(dsc_aux1_datam, 0) & 0xff)

GBLDEF_0(int DSC_status, 0);		/* Powerup cchip_ctl (warm boot?) */
GBLDEF_0(int DSC_version, 0);		/* 0: pre-3207VA; 1: later.	  */

#ifdef CLKDIV
/*
 * New mechanism with newer revisions of 3210 (D and later):
 * clkctl (PLL) is always set to 1 (i.e. 3210 depends on PLL for clock)
 *
 * Since we never use pass through mode for 3210's clock, we can use
 * the clock divider to differentiate different power on/off states
 * cchip_ctl	clkctl (bit 0)
 * (cold/warm)	(divider)	Cause			Action
 * =========================================================================
 * cold (0)	0		A/C power on		power down
 * warm (1)	0		IR power off		continue to standby
 * warm (1)	1		IR power on or		continue to power up
 *				watchdog reset
 *
 * Running:	warm and 1 (11b)
 * Standby:	warm and 0 (10b)
 * AC on:	cold and don't care (00b)
 *
 * For RC5 (Philips-style remote control, bits 2,1 of clkctl (divider)
 * indicates the last control bit (to prevent repeating of power up/down).
 */
#else
/* For older generatations of 3210 (revisions A, B, and C) */
/*
 * cchip_ctl	clkctl
 * (cold/warm)	(PLL)		Cause			Action
 * =========================================================================
 * cold (0)	PLL (1)		A/C power on		power doen
 * cold	(0)	bypass (0)	IR power off		continue to standby
 * warm	(1)	PLL (1)		IR power on or		continue to power up
 *				watchdog reset
 *
 * Running:	warm and PLL (11b)
 * Standby:	cold and bypass (00b)
 * AC on:	cold and PLL (01b)
 */
#endif

#define	DSC_STATUS_STANDBY	0x0	/* Power down mode (standby)	*/
#define	DSC_STATUS_ACON		0x1	/* First time A/C on		*/
#define	DSC_STATUS_RUNNING	0x3	/* Power up mode (running)	*/

#define	IS_POWER_DOWN	(DSC_status == DSC_STATUS_STANDBY)

#endif	/* DSC */


/*
 * Following routines are needed with or without 3207/9
 */
extern	void	DSC_dead(int);		/* Reset the system		*/

#endif /* _DSC_H_ */