cs4954.c

dvr

/*
********************************************************************************
*
* (c) Copyright 2002, Vineyard Technologies, Inc.
*
* Filename : cs4954.c
* Programmer(s): Steve KyeongHyeon Lee
* Created : 2003/05/07
* Modified :
*
* Description : Initialize video encoder chip
********************************************************************************
*/
#include "types.h"

#include "i2c.h"
#include "cs4954.h"

//###############################################################################
// Global Variables
//###############################################################################
#ifdef USE_4954
code u8 cs4954_id = 0x00;


code u8 cs4954_reg_ntsc[21] =
{
	0x0b, //0x00  //if(xxxx x1xx) mode=progressive else interlaced //2002.11.20 1ch
	0x02, //0x01  //if(xxxx x1xx) mode=even field else odd field //2002.11.20 1ch
	0x40, //0x00, //0x02	// July 14 2003 by Mike
	0x00, //0x03  // value 0x01 is color bar pattern
	0x1d, //0x1f, //0x04	// July 14 2003 by Mike
	0x62, //0x60, //0x05	// July 14 2003 by Mike
	0x80, //0x06
	0x00, //0x07
	0x03, //0x08
	0x03, //0x09 // configure GPIO port
	0x00, //0x0a
	0x00, //0x0b
	0x00, //0x0c
	0x90, //0x0d
	0xf4, //0x0e
	0x00, //0x0f
	0x1e, //0x10
	0x3e, //0x11
	0xf8, //0x12
	0xe0, //0x13
	0x43  //0x14
};

code u8 cs4954_reg_pal[21] =
{
	0x4b, //0x4b, //0x00
	0x30, //0x30, //0x01
	0x40, //0x00, //0x00, //0x02	// July 14 2003 by Mike
	0x00, //0x00, //0x03
	0x1d, //0x1f, //0x1f, //0x04	// July 14 2003 by Mike
	0x62, //0x60, //0x60, //0x05	// July 14 2003 by Mike
	0x80, //0x80, //0x06
	0x00, //0x00, //0x07
	0x03, //0x03, //0x08
	0x03, //0x00, //0x09 // configure GPIO port
	0x00, //0x00, //0x0a
	0x00, //0x00, //0x0b
	0x00, //0x00, //0x0c
	0x90, //0x90, //0x0d
	0xf4, //0xf4, //0x0e
	0x00, //0x00, //0x0f
	0x15, //0x15, //0x10
	0x96, //0x96, //0x11 // May 15 2003 by Mike Subcarrier Syn. in PAL Mode {96 is correct value for G1P}
	0x15, //0x15, //0x12 // May 15 2003 by Mike
	0x13, //0x13, //0x13
	0x54  //0x54  //0x14
};

//===============================================================================
//
//===============================================================================
void cs4954_init(u8 ntsc_pal)
{
	u8 i=0;
	static u8 init_flag = 0;
	if(ntsc_pal)
	{
		for(i=0; i < sizeof(cs4954_reg_pal); i++)
			if(i!=0x0A)
				cs4954_write(i,cs4954_reg_pal[i]);
	}
	else
	{
		for(i=0; i < sizeof(cs4954_reg_ntsc); i++)
			if(i!=0x0A)
				cs4954_write(i,cs4954_reg_ntsc[i]);
	}
	if(init_flag==0){
		cs4954_write(0x0A,0x00);
		init_flag=1;
	}
	
}

//===============================================================================
//
//===============================================================================
u8 cs4954_write(u8 idx, u8 val)
{
   i2c_pkt_write(cs4954_id,idx,val);
   return 0;
}
#endif //#ifdef USE_4954

//===============================================================================
//
//===============================================================================
#ifdef USE_4954_GP
u8 cs4954_read(u8 idx)
{
	return i2c_pkt_read(cs4954_id,idx);
}
#endif