?? ix2450drv.c
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/*************************************************************************
* IX2360DRV.C *
* Copyright ? Shenzhen Coship Electronics Co.#,LTD. 2002.3 *
* All rights reserved. *
* *
* Author: Zhou Cheng *
* Date: 2002/3/13 *
* Compiler: *
* *
* Description: PLL IC IX2360 Driver ( used in SHARP0184 Tuner ) *
* Notes: *
* Update: 2002/3/6 Zhou Cheng *
*************************************************************************/
// For 0184 Tuner
#include "CSQpskCFG.h"
#include "cs_typedef.h"
#include "CSHDI_typedef.h"
#include "cs_i2c.h"
#include "cs_os.h"
#include "IX2450DRV.h"
#include "cs_frnpublic.h"
#include "cs_assert.h"
#define TUNER_IF 0
#define TUNE_STEP 125
#define TUNELIMIT_LOW 900000 // KHz
#define TUNELIMIT_HIGH 2200000 // KHz
#define BANDFREQREF 1450000 // KHz
#define IX2450ADDR 0xc0
#define PLLLOCK_MASK 0x40
#define PLLLOCK_FLAG 0x40
static HCSHANDLE hIX2450I2C[MAX_TUNER_NUM];
//ADD BY SFG FOR COMPILER
extern CSQPSK_Error_t STV0299EnableTunerI2C ( CSHDITunerIndex bTunerIndex );
extern CSQPSK_Error_t STV0299DisableTunerI2C (CSHDITunerIndex bTunerIndex);
//add end
CSQPSK_Error_t IX2450Init(CSHDITunerIndex bTunerIndex)
{
int ErrorCode;
hIX2450I2C[bTunerIndex] = 0;
ErrorCode = CSI2COpen(bTunerIndex,IX2450ADDR,&hIX2450I2C[bTunerIndex]);
if (ErrorCode != CSI2C_SUCCESS)
{
return CSQPSK_I2C_ERROR;
}
return CSQPSK_SUCCESS;
}
CSQPSK_Error_t IX2450Term(CSHDITunerIndex bTunerIndex)
{
int ErrorCode;
ErrorCode = CSI2CClose(hIX2450I2C[bTunerIndex]);
if (ErrorCode != CSI2C_SUCCESS)
{
return CSQPSK_I2C_ERROR;
}
return CSQPSK_SUCCESS;
}
/* +==========================================================================+ */
/* | Function: IhVC TUNER 5wP3F5BJ | */
/* | Input: | */
/* | Output: N^ | */
/* | Return: 2YWw3I9&1jV> | */
/* +==========================================================================+ */
CSQPSK_Error_t IX2450WrtFreq( CSHDITunerIndex bTunerIndex,BYTE *pbTune ,DWORD dwDataLen)
{
int ErrorCode;
ErrorCode= CSI2CWriteWithStop ( hIX2450I2C[bTunerIndex], pbTune, dwDataLen ) ;
if (ErrorCode != CSI2C_SUCCESS)
{
return CSQPSK_I2C_ERROR;
}
return CSQPSK_SUCCESS;
}
/* +==========================================================================+ */
/* | Function: <l2b TUNER PLL W4L, | */
/* | Input: N^ | */
/* | Output: 6A3v5DJ}>] | */
/* | Return: 0 -- PLL Lost Lock, 1 -- PLL Lock | */
/* +==========================================================================+ */
CSQPSK_Error_t IX2450GetPLLStatus ( CSHDITunerIndex bTunerIndex, int *pnPllLock )
{
BYTE bValue;
int ret;
if ( CSI2CRequestBus_inner(bTunerIndex, CSHDI_TIMEOUT_INFINITY) == CSI2C_SUCCESS )
{
STV0299EnableTunerI2C(bTunerIndex);
ret = CSI2CReadWithStop ( hIX2450I2C[bTunerIndex], &bValue, 1 ) ;
STV0299DisableTunerI2C(bTunerIndex);
CSI2CReleaseBus_inner(bTunerIndex);
if (ret == CSI2C_SUCCESS)
{
if (( bValue & PLLLOCK_MASK ) == PLLLOCK_FLAG )
*pnPllLock = 1;
else
*pnPllLock = 0;
return CSQPSK_SUCCESS;
}
}
return CSQPSK_I2C_ERROR;
}
/*=======================================================================================*/
/*| BS2F7VZ0194 Tuner use |*/
/*=======================================================================================*/
static void Calculate_VCO(DWORD dwFrequency, BYTE *pbTunerB)
{
BYTE bDIVValue = 1;
BYTE bBAValue = 6;
if ( dwFrequency < 970000 )
{
bDIVValue = 1 ;
bBAValue = 6 ;
}
else if ( dwFrequency < 1065000 )
{
bDIVValue = 1 ;
bBAValue = 6 ;
}
else if ( dwFrequency < 1170000 )
{
bDIVValue = 1 ;
bBAValue = 7 ;
}
else if ( dwFrequency < 1300000 )
{
bDIVValue = 0 ;
bBAValue = 1 ;
}
else if ( dwFrequency < 1445000 )
{
bDIVValue = 0 ;
bBAValue = 2 ;
}
else if ( dwFrequency < 1607000 )
{
bDIVValue = 0 ;
bBAValue = 3 ;
}
else if ( dwFrequency < 1778000 )
{
bDIVValue = 0 ;
bBAValue = 4 ;
}
else if ( dwFrequency < 1942000 )
{
bDIVValue = 0 ;
bBAValue = 5 ;
}
else if ( dwFrequency < 2131000 )
{
bDIVValue = 0 ;
bBAValue = 6 ;
}
else
{
bDIVValue = 0 ;
bBAValue = 6 ;
}
*(pbTunerB + 3) &= 0x1D ;
*(pbTunerB + 3) |= (bBAValue<<5) | (bDIVValue<<1) ;
}
static void Calculate_PLL_LPF_Cutoff(DWORD dwBaudRate, BYTE *pbTunerB)
{
// sfg for compier BYTE bPDValue ;
*(pbTunerB + 2) &= 0xE5 ;
*(pbTunerB + 3) &= 0xF3 ;
if (dwBaudRate >= 39000) // LPF cut-off Frequency = 30MHz
{
*(pbTunerB + 2) |= (0x02 << 3) ;
*(pbTunerB + 3) |= (0x03 << 2) ;
}
else if (dwBaudRate >= 35000) // LPF cut-off Frequency = 28MHz
{
*(pbTunerB + 3) |= (0x03 << 2) ;
}
else if (dwBaudRate >= 30000) // LPF cut-off Frequency = 26MHz
{
*(pbTunerB + 2) |= (0x03 << 3) ;
*(pbTunerB + 3) |= (0x01 << 2) ;
}
else if (dwBaudRate >= 26000) // LPF cut-off Frequency = 24MHz
{
*(pbTunerB + 2) |= (0x01 << 3) ;
*(pbTunerB + 3) |= (0x01 << 2) ;
}
else if (dwBaudRate >= 23000) // LPF cut-off Frequency = 22MHz
{
*(pbTunerB + 2) |= (0x02 << 3) ;
*(pbTunerB + 3) |= (0x01 << 2) ;
}
else if (dwBaudRate >= 21000) // LPF cut-off Frequency = 20MHz
{
*(pbTunerB + 2) |= (0x00 << 3) ;
*(pbTunerB + 3) |= (0x01 << 2) ;
}
else if (dwBaudRate >= 19000) // LPF cut-off Frequency = 18MHz
{
*(pbTunerB + 2) |= (0x03 << 3) ;
*(pbTunerB + 3) |= (0x02 << 2) ;
}
else if (dwBaudRate >= 18000) // LPF cut-off Frequency = 16MHz
{
*(pbTunerB + 2) |= (0x01 << 3) ;
*(pbTunerB + 3) |= (0x02 << 2) ;
}
else if (dwBaudRate >= 17000) // LPF cut-off Frequency = 14MHz
{
*(pbTunerB + 2) |= (0x02 << 3) ;
*(pbTunerB + 3) |= (0x02 << 2) ;
}
else if (dwBaudRate >= 16000) // LPF cut-off Frequency = 12MHz
{
*(pbTunerB + 2) |= (0x00 << 3) ;
*(pbTunerB + 3) |= (0x02 << 2) ;
}
else // LPF cut-off Frequency = 10MHz
{
*(pbTunerB + 2) |= (0x03 << 3) ;
*(pbTunerB + 3) |= (0x00 << 2) ;
}
}
static void Calculate_DIV ( DWORD dwFrequency, DWORD dwTunerStep, DWORD dwIFFreq, BYTE *pbTunerB )
{
DWORD dwTunerTemp ;
dwTunerTemp = ((dwFrequency + dwIFFreq) + dwTunerStep / 2) / dwTunerStep;
*(pbTunerB + 0) = (dwTunerTemp >> 8) & 0x7f ;
*(pbTunerB + 1) = dwTunerTemp & 0xff ;
}
CSQPSK_Error_t VZ0194SetFrequency( CSHDITunerIndex bTunerIndex, DWORD dwTunerFrequency, DWORD dwSymbolRate )
{
DWORD TunerStep = (DWORD)500L ;
BYTE pbTunerB[4], bByte4, bByte5;
//sfg for compiler BYTE bTunerStatus;
pbTunerB[2] = 0xE5 ;
pbTunerB[3] = 0x00 ;
Calculate_VCO (dwTunerFrequency, pbTunerB) ;
Calculate_PLL_LPF_Cutoff(dwSymbolRate, pbTunerB) ;
Calculate_DIV ( dwTunerFrequency, TunerStep, 0, pbTunerB );
bByte4 = pbTunerB[2];
bByte5 = pbTunerB[3];
pbTunerB[2] &= 0xE3;
pbTunerB[3] &= 0xF3;
if ( CSI2CRequestBus_inner(bTunerIndex, CSHDI_TIMEOUT_INFINITY) == CSI2C_SUCCESS )
{
if ( STV0299EnableTunerI2C (bTunerIndex) != CSQPSK_SUCCESS )
{
CSI2CReleaseBus_inner(bTunerIndex);
CSTRACE( ERROR_LEVEL, "[HDIQPSK] Err enable tuner i2c failed\n");
CSTRACE( ERROR_LEVEL, "Position:file = %s,line = %s\n", __FILE__, __LINE__);
return CSQPSK_FAILURE; // Enable TunerI2C
}
CSSleep ( 1 );
IX2450WrtFreq ( bTunerIndex, pbTunerB, 4 ) ;
STV0299DisableTunerI2C(bTunerIndex);
CSI2CReleaseBus_inner(bTunerIndex);
}
CSSleep ( 10 );
pbTunerB[2] |= 0x04;
if ( CSI2CRequestBus_inner(bTunerIndex, CSHDI_TIMEOUT_INFINITY) == CSI2C_SUCCESS )
{
if ( STV0299EnableTunerI2C (bTunerIndex) != CSQPSK_SUCCESS )
{
CSI2CReleaseBus_inner(bTunerIndex);
CSTRACE( ERROR_LEVEL, "\n[HDI][CS_QPSK][FTDGetTunerStatus]:\nEnable Tuner I2c Fail");
return CSQPSK_FAILURE; // Enable TunerI2C
}
CSSleep ( 1 );
IX2450WrtFreq ( bTunerIndex, pbTunerB, 4 ) ;
// IX2450WrtFreq ( &pbTunerB[2], 2 ) ;
STV0299DisableTunerI2C(bTunerIndex);
CSI2CReleaseBus_inner(bTunerIndex);
}
CSSleep ( 20 );
pbTunerB[2] = bByte4;
pbTunerB[3] = bByte5;
if ( CSI2CRequestBus_inner(bTunerIndex, CSHDI_TIMEOUT_INFINITY) == CSI2C_SUCCESS )
{
if ( STV0299EnableTunerI2C (bTunerIndex) != CSQPSK_SUCCESS )
{
CSI2CReleaseBus_inner(bTunerIndex);
CSTRACE( ERROR_LEVEL, "\n[HDI][CS_QPSK][FTDGetTunerStatus]:\nEnable Tuner I2c Fail");
return CSQPSK_FAILURE; // Enable TunerI2C
}
CSSleep ( 1 );
IX2450WrtFreq ( bTunerIndex, pbTunerB, 4 ) ;
// IX2450WrtFreq ( &pbTunerB[2], 2 ) ;
STV0299DisableTunerI2C(bTunerIndex);
CSI2CReleaseBus_inner(bTunerIndex);
}
CSSleep ( 40 );
return CSQPSK_SUCCESS ;
}
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