/****************************************************************************
 * Module:      TunerU7A26
 *
 * Description: Tuner Driver for U7A26 Main Routines
 *
 * Notes: 20070312/hwatk
 *        20080123/jhkoh porting for TunerU7A26
 *
 ************************************************************************^^*/

#include <stdio.h>
#include "TunerU7A26.h"
#include "IicComm.h"

#include "dsthalcommon.h"
#include "dsthalcfg.h"
#include "S5H1411Core.h"

#ifndef NIMTN_TYPE
#error NIMTN_TYPE shall be defined!
#endif

#define	U7A26_DEVICE_ADDRESS_WRITE			(0xC2)
#define U7A26_SLAVE_ADDRESS					0xC3

#define	DEBUG_U7A26		0

#if NIMTN_TYPE==NIMTN_U7A26

static BOOLEAN TunerU7A26BeforeSendBytes(void);
static BOOLEAN TunerU7A26AfterSendBytes(void);
extern DS_U32 gdhlExtDbgLvl;

extern int S5H1409_IicTransmit(unsigned char chipAddr, unsigned char *pBuffer, int len );
unsigned int U7A26_SendControlData(unsigned char Db1,unsigned char Db2,unsigned char Cb1,unsigned char Bb,unsigned char Cb2_Speed,unsigned char Cb2_Normal,int bNtsc);
static BOOLEAN U7A26_SetRFFreq(unsigned long ulFrequency, int isVSB, unsigned char *pucDb1, unsigned char *pucDb2, unsigned char* pucBb);


int Tuner_U7A26_SendFreq(unsigned long ulFreqInKHz, TunerDemod Demod )
{
	unsigned char Db1;
	unsigned char Db2;
	unsigned char Cb1;
	unsigned char Bb;
	unsigned char Cb2_Speed;
	unsigned char Cb2_Normal;

	Db1 = Db2 = Cb1 = Bb = Cb2_Speed = Cb2_Normal = 0;

	if( _FALSE_ == U7A26_SetRFFreq( ulFreqInKHz, Demod == DEMOD_8VSB, &Db1, &Db2, &Bb ))
		return -1;
	
	switch( Demod ) {
		case DEMOD_8VSB:   Cb1 = 0x8b; Cb2_Speed = 0xE1; Cb2_Normal = 0xC1; break;
		case DEMOD_64QAM:  
		case DEMOD_QAM:
		case DEMOD_256QAM: Cb1 = 0xa3; Cb2_Speed = 0xE1; Cb2_Normal = 0xC1; break;
		case DEMOD_NTSC:   Cb1 = 0xa3; Cb2_Speed = 0xE1; Cb2_Normal = 0xC1; break;
		case DEMOD_OFF:    Cb1 = 0xa3; Cb2_Speed = 0xF1; Cb2_Normal = 0xF1; break;
		default:
			return -1;
	}
	
	return U7A26_SendControlData(Db1,Db2,Cb1,Bb,Cb2_Speed,Cb2_Normal,Demod==DEMOD_NTSC);
}

static BOOLEAN U7A26_SetRFFreq(unsigned long ulFrequency, int isVSB, unsigned char *pucDb1, unsigned char *pucDb2, unsigned char* pucBb)
{
	unsigned long ucNval;
	
	*pucDb1 = 0;
	*pucDb2 = 0;
	*pucBb = 0;
	
	if ((ulFrequency >= U7A26_LOW_BAND_MIN) && (ulFrequency <= U7A26_LOW_BAND_MAX) ) {
		if ( isVSB )
			*pucBb = 0x1;
		else
			*pucBb = 0x41;
	}
	else if((ulFrequency >=  U7A26_MID_BAND_MIN) && (ulFrequency <= U7A26_MID_BAND_MAX)){
		if ( isVSB )
			*pucBb = 0x2;
		else
			*pucBb = 0x42;
	}
	else if((ulFrequency >= U7A26_HIGH_BAND_MIN) && (ulFrequency <= U7A26_HIGH_BAND_MAX)){
		if ( isVSB )
			*pucBb = 0x8;
		else
			*pucBb = 0x48;
	}
	else 
		return _FALSE_;
	
	ucNval = (ulFrequency + 44000000);
	ucNval /= 62500;
	*pucDb1 = (ucNval>>8) & 0x7F;
	*pucDb2 = (ucNval>>0) & 0xFF;
	
	return _TRUE_;
}

BOOLEAN TunerU7A26BeforeSendBytes()
{
	if ( S5H1411x_RepeaterEnable() )
		return 0;
	
	return 1;
}

BOOLEAN TunerU7A26AfterSendBytes()
{
	if ( S5H1411x_RepeaterDisable() )
		return 0;
	
	return 1;
}

extern int S5H1409_IicTransmitEx(unsigned char chipAddr, unsigned char *pBuffer, int len );

unsigned int U7A26_SendControlData(unsigned char Db1,unsigned char Db2,unsigned char Cb1,unsigned char Bb,unsigned char Cb2_Speed,unsigned char Cb2_Normal,int bNtsc)
{
	unsigned char str[10];

	//open 2nd IIC channel	
	if (!TunerU7A26BeforeSendBytes())
		return U7A26_BEFORE_SEND_BYTES_FAILED;

	str[0] = Db1;
	str[1] = Db2;	
	str[2] = Cb1;
	str[3] = Bb;
	str[4] = Cb2_Speed;
	str[5]= '\0';

#if DEBUG_U7A26
	printf("TunerByte1: 0x%02X-0x%02X-0x%02X-0x%02X-0x%02X\n", str[0], str[1], str[2], str[3], str[4]);
#else
//	printf("TunerByte1: 0x%02X-0x%02X-0x%02X-0x%02X-0x%02X\n", str[0], str[1], str[2], str[3], str[4]);

	if (S5H1409_IicTransmitEx(U7A26_DEVICE_ADDRESS_WRITE, str, 5)) {
		return U7A26_SEND_CONTROL_DATA_FAILED;
	}
#endif
	if (!bNtsc) {
		//wait
	    OS_mDelay(200); /* 200 ms */
	}
	
	str[0] = Cb1;
	str[1] = Bb;
	str[2] = Cb2_Normal;
	str[3]= '\0';
#if DEBUG_U7A26
	printf("TunerByte2: 0x%02X\n", str[0]);
#else
//	printf("TunerByte2: 0x%02X-0x%02X-0x%02X\n", str[0], str[1], str[2]);

	if (S5H1409_IicTransmitEx(U7A26_DEVICE_ADDRESS_WRITE, str, 3)) {
		return U7A26_SEND_CONTROL_DATA_FAILED;
	}
#endif
	//close 2nd IIC channel	
	if( !TunerU7A26AfterSendBytes())
		return U7A26_AFTER_SEND_BYTES_FAILED;
	else
		return U7A26_SUCCESS;
}

int Tuner_U7A26GetADC(void)
{
	int stat; 
	
	if ( TunerU7A26BeforeSendBytes() == 0 ){
		printf("|%s|%d|\n",__FUNCTION__,__LINE__);
		return -1;
	}
	
	stat = S5H_IicReadTunerByte( U7A26_SLAVE_ADDRESS );
	DHL_DbgPrintf(gdhlExtDbgLvl,DHLDBG_EXT,"|%s| stat=0x%x\n", __FUNCTION__, stat);
		
	if ( TunerU7A26AfterSendBytes() == 0 ){
		printf("|%s|%d|\n",__FUNCTION__,__LINE__);
		return -1;
	}
	
	return stat;
}

#endif//#if NIMTN_TYPE==NIMTN_DTT7611