xref: /drivers/media/dvb/frontends/drxd_hard.c

/*
 * drxd_hard.c: DVB-T Demodulator Micronas DRX3975D-A2,DRX397xD-B1
 *
 * Copyright (C) 2003-2007 Micronas
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 only, as published by the Free Software Foundation.
 *
 *
 * This program is distributed in the hope that it will be useful,
 * but WITHOUT ANY WARRANTY; without even the implied warranty of
 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 * GNU General Public License for more details.
 *
 *
 * You should have received a copy of the GNU General Public License
 * along with this program; if not, write to the Free Software
 * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA
 * 02110-1301, USA
 * Or, point your browser to http://www.gnu.org/copyleft/gpl.html
 */

#include <linux/kernel.h>
#include <linux/module.h>
#include <linux/moduleparam.h>
#include <linux/init.h>
#include <linux/delay.h>
#include <linux/firmware.h>
#include <linux/i2c.h>
#include <linux/version.h>
#include <asm/div64.h>

#include "dvb_frontend.h"
#include "drxd.h"
#include "drxd_firm.h"

#define CHK_ERROR(s) if( (status = s)<0 ) break
#define CHUNK_SIZE 48

#define DRX_I2C_RMW           0x10
#define DRX_I2C_BROADCAST     0x20
#define DRX_I2C_CLEARCRC      0x80
#define DRX_I2C_SINGLE_MASTER 0xC0
#define DRX_I2C_MODEFLAGS     0xC0
#define DRX_I2C_FLAGS         0xF0

#ifndef SIZEOF_ARRAY
#define SIZEOF_ARRAY(array) (sizeof((array))/sizeof((array)[0]))
#endif

#define DEFAULT_LOCK_TIMEOUT    1100

#define DRX_CHANNEL_AUTO 0
#define DRX_CHANNEL_HIGH 1
#define DRX_CHANNEL_LOW  2

#define DRX_LOCK_MPEG  1
#define DRX_LOCK_FEC   2
#define DRX_LOCK_DEMOD 4


/****************************************************************************/

enum CSCDState {
	CSCD_INIT = 0,
	CSCD_SET,
	CSCD_SAVED
};

enum CDrxdState {
	DRXD_UNINITIALIZED = 0,
	DRXD_STOPPED,
	DRXD_STARTED
};

enum AGC_CTRL_MODE {
	AGC_CTRL_AUTO = 0,
	AGC_CTRL_USER,
	AGC_CTRL_OFF
};

enum OperationMode {
	OM_Default,
	OM_DVBT_Diversity_Front,
	OM_DVBT_Diversity_End
};

struct SCfgAgc {
	enum AGC_CTRL_MODE ctrlMode;
	u16 outputLevel;   /* range [0, ... , 1023], 1/n of fullscale range */
	u16 settleLevel;   /* range [0, ... , 1023], 1/n of fullscale range */
	u16 minOutputLevel;/* range [0, ... , 1023], 1/n of fullscale range */
	u16 maxOutputLevel;/* range [0, ... , 1023], 1/n of fullscale range */
	u16 speed;         /* range [0, ... , 1023], 1/n of fullscale range */

	u16 R1;
	u16 R2;
	u16 R3;
};

struct SNoiseCal {
	int cpOpt;
	u16 cpNexpOfs;
	u16 tdCal2k;
	u16 tdCal8k;
};

enum app_env {
	APPENV_STATIC = 0,
	APPENV_PORTABLE = 1,
	APPENV_MOBILE   = 2
};

enum EIFFilter {
	IFFILTER_SAW = 0,
	IFFILTER_DISCRETE = 1
};

struct drxd_state {
	struct dvb_frontend frontend;
	struct dvb_frontend_ops ops;
	struct dvb_frontend_parameters param;

	const struct firmware *fw;
	struct device *dev;

	struct i2c_adapter *i2c;
	void *priv;
	struct drxd_config config;

	int i2c_access;
	int init_done;
	struct semaphore mutex;

	u8  chip_adr;
	u16 hi_cfg_timing_div;
	u16 hi_cfg_bridge_delay;
	u16 hi_cfg_wakeup_key;
	u16 hi_cfg_ctrl;

	u16 intermediate_freq;
	u16 osc_clock_freq;

	enum CSCDState cscd_state;
	enum CDrxdState drxd_state;

	u16 sys_clock_freq;
	s16 osc_clock_deviation;
	u16 expected_sys_clock_freq;

	u16 insert_rs_byte;
	u16 enable_parallel;

	int operation_mode;

	struct SCfgAgc if_agc_cfg;
	struct SCfgAgc rf_agc_cfg;

	struct SNoiseCal noise_cal;

	u32 fe_fs_add_incr;
	u32 org_fe_fs_add_incr;
	u16 current_fe_if_incr;

	u16 m_FeAgRegAgPwd;
	u16 m_FeAgRegAgAgcSio;

	u16 m_EcOcRegOcModeLop;
	u16 m_EcOcRegSncSncLvl;
	u8 *m_InitAtomicRead;
	u8 *m_HiI2cPatch;

	u8 *m_ResetCEFR;
	u8 *m_InitFE_1;
	u8 *m_InitFE_2;
	u8 *m_InitCP;
	u8 *m_InitCE;
	u8 *m_InitEQ;
	u8 *m_InitSC;
	u8 *m_InitEC;
	u8 *m_ResetECRAM;
	u8 *m_InitDiversityFront;
	u8 *m_InitDiversityEnd;
	u8 *m_DisableDiversity;
	u8 *m_StartDiversityFront;
	u8 *m_StartDiversityEnd;

	u8 *m_DiversityDelay8MHZ;
	u8 *m_DiversityDelay6MHZ;

	u8 *microcode;
	u32 microcode_length;

	int type_A;
	int PGA;
	int diversity;
	int tuner_mirrors;

	enum app_env app_env_default;
	enum app_env app_env_diversity;

};


/****************************************************************************/
/* I2C **********************************************************************/
/****************************************************************************/

static int i2c_write(struct i2c_adapter *adap, u8 adr, u8 *data, int len)
{
	struct i2c_msg msg = { .addr=adr, .flags=0, .buf=data, .len=len };

	if (i2c_transfer(adap, &msg, 1) != 1)
		return -1;
	return 0;
}

static int i2c_read(struct i2c_adapter *adap,
		    u8 adr, u8 *msg, int len, u8 *answ, int alen)
{
	struct i2c_msg msgs[2] = { { .addr=adr, .flags=0,
				     .buf=msg, .len=len },
				   { .addr=adr, .flags=I2C_M_RD,
				     .buf=answ, .len=alen } };
	if (i2c_transfer(adap, msgs, 2) != 2)
		return -1;
	return 0;
}

inline u32 MulDiv32(u32 a, u32 b, u32 c)
{
	u64 tmp64;

	tmp64=(u64)a*(u64)b;
	do_div(tmp64, c);

	return (u32) tmp64;
}

static int Read16(struct drxd_state *state, u32 reg, u16 *data, u8 flags)
{
	u8 adr=state->config.demod_address;
	u8 mm1[4]={reg&0xff, (reg>>16)&0xff,
		   flags|((reg>>24)&0xff), (reg>>8)&0xff};
	u8 mm2[2];
	if (i2c_read(state->i2c, adr, mm1, 4, mm2, 2)<0)
		return -1;
	if (data)
		*data=mm2[0]|(mm2[1]<<8);
	return mm2[0]|(mm2[1]<<8);
}

static int Read32(struct drxd_state *state, u32 reg, u32 *data, u8 flags)
{
	u8 adr=state->config.demod_address;
	u8 mm1[4]={reg&0xff, (reg>>16)&0xff,
		   flags|((reg>>24)&0xff), (reg>>8)&0xff};
	u8 mm2[4];

	if (i2c_read(state->i2c, adr, mm1, 4, mm2, 4)<0)
		return -1;
	if (data)
		*data=mm2[0]|(mm2[1]<<8)|(mm2[2]<<16)|(mm2[3]<<24);
	return 0;
}

static int Write16(struct drxd_state *state, u32 reg, u16 data, u8 flags)
{
	u8 adr=state->config.demod_address;
	u8 mm[6]={ reg&0xff, (reg>>16)&0xff,
		   flags|((reg>>24)&0xff), (reg>>8)&0xff,
		   data&0xff, (data>>8)&0xff };

	if (i2c_write(state->i2c, adr, mm, 6)<0)
		return -1;
	return 0;
}

static int Write32(struct drxd_state *state, u32 reg, u32 data, u8 flags)
{
	u8 adr=state->config.demod_address;
	u8 mm[8]={ reg&0xff, (reg>>16)&0xff,
		   flags|((reg>>24)&0xff), (reg>>8)&0xff,
		   data&0xff, (data>>8)&0xff,
		   (data>>16)&0xff, (data>>24)&0xff };

	if (i2c_write(state->i2c, adr, mm, 8)<0)
		return -1;
	return 0;
}

static int write_chunk(struct drxd_state *state,
		       u32 reg, u8 *data, u32 len, u8 flags)
{
	u8 adr=state->config.demod_address;
	u8 mm[CHUNK_SIZE+4]={ reg&0xff, (reg>>16)&0xff,
			      flags|((reg>>24)&0xff), (reg>>8)&0xff };
	int i;

	for (i=0; i<len; i++)
		mm[4+i]=data[i];
	if (i2c_write(state->i2c, adr, mm, 4+len)<0) {
		printk("error in write_chunk\n");
		return -1;
	}
	return 0;
}

static int WriteBlock(struct drxd_state *state,
		      u32 Address, u16 BlockSize, u8 *pBlock, u8 Flags)
{
	while(BlockSize >  0) {
		u16 Chunk = BlockSize > CHUNK_SIZE ? CHUNK_SIZE : BlockSize;

		if (write_chunk(state, Address, pBlock, Chunk, Flags)<0)
			return -1;
		pBlock += Chunk;
		Address += (Chunk >> 1);
		BlockSize -= Chunk;
	}
	return 0;
}

static int WriteTable(struct drxd_state *state, u8 *pTable)
{
	int status = 0;

	if( pTable == NULL )
		return 0;

	while(!status) {
		u16 Length;
		u32 Address = pTable[0]|(pTable[1]<<8)|
			(pTable[2]<<16)|(pTable[3]<<24);

		if (Address==0xFFFFFFFF)
			break;
		pTable += sizeof(u32);

		Length = pTable[0]|(pTable[1]<<8);
		pTable += sizeof(u16);
		if (!Length)
			break;
		status = WriteBlock(state, Address, Length*2, pTable, 0);
		pTable += (Length*2);
	}
	return status;
}


/****************************************************************************/
/****************************************************************************/
/****************************************************************************/

static int ResetCEFR(struct drxd_state *state)
{
	return WriteTable(state, state->m_ResetCEFR);
}

static int InitCP(struct drxd_state *state)
{
	return WriteTable(state, state->m_InitCP);
}

static int InitCE(struct drxd_state *state)
{
	int status;
	enum app_env AppEnv = state->app_env_default;

	do {
		CHK_ERROR(WriteTable(state, state->m_InitCE));

		if (state->operation_mode == OM_DVBT_Diversity_Front ||
		    state->operation_mode == OM_DVBT_Diversity_End ) {
			AppEnv = state->app_env_diversity;
		}
		if ( AppEnv == APPENV_STATIC ) {
			CHK_ERROR(Write16(state,CE_REG_TAPSET__A, 0x0000,0));
		} else if( AppEnv == APPENV_PORTABLE ) {
			CHK_ERROR(Write16(state,CE_REG_TAPSET__A, 0x0001,0));
		} else if( AppEnv == APPENV_MOBILE &&  state->type_A ) {
			CHK_ERROR(Write16(state,CE_REG_TAPSET__A, 0x0002,0));
		} else if( AppEnv == APPENV_MOBILE && !state->type_A ) {
			CHK_ERROR(Write16(state,CE_REG_TAPSET__A, 0x0006,0));
		}

		/* start ce */
		CHK_ERROR(Write16(state,B_CE_REG_COMM_EXEC__A,0x0001,0));
	} while(0);
	return status;
}

static int StopOC(struct drxd_state *state)
{
	int status = 0;
	u16            ocSyncLvl  = 0;
	u16            ocModeLop  = state->m_EcOcRegOcModeLop;
	u16            dtoIncLop  = 0;
	u16            dtoIncHip  = 0;

	do {
		/* Store output configuration */
		CHK_ERROR(Read16(state, EC_OC_REG_SNC_ISC_LVL__A,
				 &ocSyncLvl, 0));;
		/* CHK_ERROR(Read16(EC_OC_REG_OC_MODE_LOP__A,
		   &ocModeLop)); */
		state->m_EcOcRegSncSncLvl = ocSyncLvl;
		/* m_EcOcRegOcModeLop = ocModeLop; */

		/* Flush FIFO (byte-boundary) at fixed rate */
		CHK_ERROR(Read16(state, EC_OC_REG_RCN_MAP_LOP__A,
				 &dtoIncLop,0 ));
		CHK_ERROR(Read16(state, EC_OC_REG_RCN_MAP_HIP__A,
				 &dtoIncHip,0 ));
		CHK_ERROR(Write16(state, EC_OC_REG_DTO_INC_LOP__A,
				  dtoIncLop,0 ));
		CHK_ERROR(Write16(state, EC_OC_REG_DTO_INC_HIP__A,
				  dtoIncHip,0 ));
		ocModeLop &= ~(EC_OC_REG_OC_MODE_LOP_DTO_CTR_SRC__M);
		ocModeLop |=   EC_OC_REG_OC_MODE_LOP_DTO_CTR_SRC_STATIC;
		CHK_ERROR(Write16(state, EC_OC_REG_OC_MODE_LOP__A,
				  ocModeLop,0 ));
		CHK_ERROR(Write16(state, EC_OC_REG_COMM_EXEC__A,
				  EC_OC_REG_COMM_EXEC_CTL_HOLD,0 ));

		msleep(1);
		/* Output pins to '0' */
		CHK_ERROR(Write16(state, EC_OC_REG_OCR_MPG_UOS__A,
				  EC_OC_REG_OCR_MPG_UOS__M,0 ));

		/* Force the OC out of sync */
		ocSyncLvl &= ~(EC_OC_REG_SNC_ISC_LVL_OSC__M);
		CHK_ERROR(Write16(state, EC_OC_REG_SNC_ISC_LVL__A,
				  ocSyncLvl,0 ));
		ocModeLop &= ~(EC_OC_REG_OC_MODE_LOP_PAR_ENA__M);
		ocModeLop |=   EC_OC_REG_OC_MODE_LOP_PAR_ENA_ENABLE;
		ocModeLop |=   0x2; /* Magically-out-of-sync */
		CHK_ERROR(Write16(state, EC_OC_REG_OC_MODE_LOP__A,
				  ocModeLop,0 ));
		CHK_ERROR(Write16(state, EC_OC_REG_COMM_INT_STA__A, 0x0,0  ));
		CHK_ERROR(Write16(state, EC_OC_REG_COMM_EXEC__A,
				  EC_OC_REG_COMM_EXEC_CTL_ACTIVE,0 ));
	} while(0);

	return status;
}

static int StartOC(struct drxd_state *state)
{
	int status=0;

	do {
		/* Stop OC */
		CHK_ERROR(Write16(state, EC_OC_REG_COMM_EXEC__A,
				  EC_OC_REG_COMM_EXEC_CTL_HOLD,0 ));

		/* Restore output configuration */
		CHK_ERROR(Write16(state, EC_OC_REG_SNC_ISC_LVL__A,
				  state->m_EcOcRegSncSncLvl,0 ));
		CHK_ERROR(Write16(state, EC_OC_REG_OC_MODE_LOP__A,
				  state->m_EcOcRegOcModeLop,0 ));

		/* Output pins active again */
		CHK_ERROR(Write16(state, EC_OC_REG_OCR_MPG_UOS__A,
				  EC_OC_REG_OCR_MPG_UOS_INIT,0 ));

		/* Start OC */
		CHK_ERROR(Write16(state, EC_OC_REG_COMM_EXEC__A,
				  EC_OC_REG_COMM_EXEC_CTL_ACTIVE,0 ));
	} while(0);
	return status;
}

static int InitEQ(struct drxd_state *state)
{
	return WriteTable(state, state->m_InitEQ);
}

static int InitEC(struct drxd_state *state)
{
	return WriteTable(state, state->m_InitEC);
}

static int InitSC(struct drxd_state *state)
{
	return WriteTable(state, state->m_InitSC);
}

static int InitAtomicRead(struct drxd_state *state)
{
	return WriteTable(state, state->m_InitAtomicRead);
}

static int CorrectSysClockDeviation(struct drxd_state *state);

static int DRX_GetLockStatus(struct drxd_state *state, u32 *pLockStatus)
{
	u16 ScRaRamLock = 0;
	const u16 mpeg_lock_mask  = ( SC_RA_RAM_LOCK_MPEG__M |
				      SC_RA_RAM_LOCK_FEC__M  |
				      SC_RA_RAM_LOCK_DEMOD__M );
	const u16 fec_lock_mask   = ( SC_RA_RAM_LOCK_FEC__M  |
				      SC_RA_RAM_LOCK_DEMOD__M );
	const u16 demod_lock_mask =   SC_RA_RAM_LOCK_DEMOD__M ;

	int status;

	*pLockStatus=0;

	status = Read16(state, SC_RA_RAM_LOCK__A, &ScRaRamLock, 0x0000 );
	if(status<0)  {
		printk("Can't read SC_RA_RAM_LOCK__A status = %08x\n",
		       status);
		return status;
	}

	if( state->drxd_state != DRXD_STARTED )
		return 0;

	if ( (ScRaRamLock & mpeg_lock_mask) == mpeg_lock_mask ) {
		*pLockStatus|=DRX_LOCK_MPEG;
		CorrectSysClockDeviation(state);
	}

	if ( (ScRaRamLock & fec_lock_mask) == fec_lock_mask )
		*pLockStatus|=DRX_LOCK_FEC;

	if ( (ScRaRamLock & demod_lock_mask) == demod_lock_mask )
		*pLockStatus|=DRX_LOCK_DEMOD;
	return 0;
}

/****************************************************************************/

static int SetCfgIfAgc(struct drxd_state *state, struct SCfgAgc *cfg)
{
	int status;

	if( cfg->outputLevel > DRXD_FE_CTRL_MAX )
	    return -1;

	if( cfg->ctrlMode == AGC_CTRL_USER ) {
		do {
			u16 FeAgRegPm1AgcWri;
			u16 FeAgRegAgModeLop;

			CHK_ERROR(Read16(state,FE_AG_REG_AG_MODE_LOP__A,
					 &FeAgRegAgModeLop,0));
			FeAgRegAgModeLop &=
				(~FE_AG_REG_AG_MODE_LOP_MODE_4__M);
			FeAgRegAgModeLop |=
				FE_AG_REG_AG_MODE_LOP_MODE_4_STATIC;
			CHK_ERROR(Write16(state,FE_AG_REG_AG_MODE_LOP__A,
					  FeAgRegAgModeLop,0));

			FeAgRegPm1AgcWri = (u16)(cfg->outputLevel &
						 FE_AG_REG_PM1_AGC_WRI__M);
			CHK_ERROR(Write16(state,FE_AG_REG_PM1_AGC_WRI__A,
					  FeAgRegPm1AgcWri,0));
		}
		while(0);
	} else if( cfg->ctrlMode == AGC_CTRL_AUTO ) {
		if ( ( (cfg->maxOutputLevel) < (cfg->minOutputLevel) ) ||
		     ( (cfg->maxOutputLevel) > DRXD_FE_CTRL_MAX ) ||
		     ( (cfg->speed) > DRXD_FE_CTRL_MAX ) ||
		     ( (cfg->settleLevel) > DRXD_FE_CTRL_MAX )
			)
			return (-1);
		do {
			u16 FeAgRegAgModeLop;
			u16 FeAgRegEgcSetLvl;
			u16 slope, offset;

			/* == Mode == */

			CHK_ERROR(Read16(state,FE_AG_REG_AG_MODE_LOP__A,
					 &FeAgRegAgModeLop,0));
			FeAgRegAgModeLop &=
				(~FE_AG_REG_AG_MODE_LOP_MODE_4__M);
			FeAgRegAgModeLop |=
				FE_AG_REG_AG_MODE_LOP_MODE_4_DYNAMIC;
			CHK_ERROR(Write16(state,FE_AG_REG_AG_MODE_LOP__A,
					  FeAgRegAgModeLop,0));

			/* == Settle level == */

			FeAgRegEgcSetLvl = (u16)(( cfg->settleLevel >> 1 ) &
						 FE_AG_REG_EGC_SET_LVL__M );
			CHK_ERROR(Write16(state,FE_AG_REG_EGC_SET_LVL__A,
					  FeAgRegEgcSetLvl,0));

			/* == Min/Max == */

			slope = (u16)(( cfg->maxOutputLevel -
					cfg->minOutputLevel )/2);
			offset = (u16)(( cfg->maxOutputLevel +
					 cfg->minOutputLevel )/2 - 511);

			CHK_ERROR(Write16(state,FE_AG_REG_GC1_AGC_RIC__A,
					  slope,0));
			CHK_ERROR(Write16(state,FE_AG_REG_GC1_AGC_OFF__A,
					  offset,0));

			/* == Speed == */
			{
				const u16 maxRur = 8;
				const u16 slowIncrDecLUT[]={ 3, 4, 4, 5, 6 };
				const u16 fastIncrDecLUT[]={ 14, 15, 15, 16,
							     17, 18, 18, 19,
							     20, 21, 22, 23,
							     24, 26, 27, 28,
							     29, 31};

				u16 fineSteps  = (DRXD_FE_CTRL_MAX+1)/
					(maxRur+1);
				u16 fineSpeed  = (u16)(cfg->speed -
						       ((cfg->speed/
							 fineSteps)*
							fineSteps));
				u16 invRurCount= (u16)(cfg->speed /
						       fineSteps);
				u16 rurCount;
				if ( invRurCount > maxRur )
				{
					rurCount   = 0;
					fineSpeed += fineSteps;
				} else {
					rurCount   = maxRur - invRurCount;
				}

				/*
				  fastInc = default *
				  (2^(fineSpeed/fineSteps))
				  => range[default...2*default>
				  slowInc = default *
				  (2^(fineSpeed/fineSteps))
				*/
				{
					u16 fastIncrDec =
						fastIncrDecLUT[fineSpeed/
							       ((fineSteps/
								 (14+1))+1) ];
					u16 slowIncrDec = slowIncrDecLUT[
						fineSpeed/(fineSteps/(3+1)) ];

					CHK_ERROR(Write16(state,
						  FE_AG_REG_EGC_RUR_CNT__A,
							  rurCount, 0));
					CHK_ERROR(Write16(state,
						  FE_AG_REG_EGC_FAS_INC__A,
							  fastIncrDec, 0));
					CHK_ERROR(Write16(state,
						  FE_AG_REG_EGC_FAS_DEC__A,
							  fastIncrDec, 0));
					CHK_ERROR(Write16(state,
						  FE_AG_REG_EGC_SLO_INC__A,
							  slowIncrDec, 0));
					CHK_ERROR(Write16(state,
						  FE_AG_REG_EGC_SLO_DEC__A,
							  slowIncrDec, 0));
				}
			}
		} while(0);

	} else {
		/* No OFF mode for IF control */
		return (-1);
	}
	return status;
}


static int SetCfgRfAgc(struct drxd_state *state, struct SCfgAgc *cfg)
{
	int status = 0;

	if( cfg->outputLevel > DRXD_FE_CTRL_MAX )
		return -1;

	if( cfg->ctrlMode == AGC_CTRL_USER ) {
		do {
			u16 AgModeLop=0;
			u16 level = ( cfg->outputLevel );

			if (level == DRXD_FE_CTRL_MAX )
				level++;

			CHK_ERROR( Write16(state,FE_AG_REG_PM2_AGC_WRI__A,
					   level, 0x0000 ));

			/*==== Mode ====*/

			/* Powerdown PD2, WRI source */
			state->m_FeAgRegAgPwd &=
				~(FE_AG_REG_AG_PWD_PWD_PD2__M);
			state->m_FeAgRegAgPwd |=
				FE_AG_REG_AG_PWD_PWD_PD2_DISABLE;
			CHK_ERROR( Write16(state,FE_AG_REG_AG_PWD__A,
					   state->m_FeAgRegAgPwd,0x0000 ));

			CHK_ERROR( Read16(state,FE_AG_REG_AG_MODE_LOP__A,
					  &AgModeLop,0x0000 ));
			AgModeLop &= (~( FE_AG_REG_AG_MODE_LOP_MODE_5__M |
					 FE_AG_REG_AG_MODE_LOP_MODE_E__M));
			AgModeLop |= ( FE_AG_REG_AG_MODE_LOP_MODE_5_STATIC |
				       FE_AG_REG_AG_MODE_LOP_MODE_E_STATIC );
			CHK_ERROR( Write16(state,FE_AG_REG_AG_MODE_LOP__A,
					   AgModeLop,0x0000 ));


			/* enable AGC2 pin */
			{
				u16 FeAgRegAgAgcSio = 0;
				CHK_ERROR( Read16(state,
						  FE_AG_REG_AG_AGC_SIO__A,
						  &FeAgRegAgAgcSio, 0x0000 ));
				FeAgRegAgAgcSio &=
					~(FE_AG_REG_AG_AGC_SIO_AGC_SIO_2__M);
				FeAgRegAgAgcSio |=
					FE_AG_REG_AG_AGC_SIO_AGC_SIO_2_OUTPUT;
				CHK_ERROR( Write16(state,
						   FE_AG_REG_AG_AGC_SIO__A,
						   FeAgRegAgAgcSio, 0x0000 ));
			}

		} while(0);
	} else if( cfg->ctrlMode == AGC_CTRL_AUTO ) {
		u16 AgModeLop=0;

		do {
			u16 level;
			/* Automatic control */
			/* Powerup PD2, AGC2 as output, TGC source */
			(state->m_FeAgRegAgPwd) &=
				~(FE_AG_REG_AG_PWD_PWD_PD2__M);
			(state->m_FeAgRegAgPwd) |=
				FE_AG_REG_AG_PWD_PWD_PD2_DISABLE;
			CHK_ERROR(Write16(state,FE_AG_REG_AG_PWD__A,
					  (state->m_FeAgRegAgPwd),0x0000 ));

			CHK_ERROR(Read16(state,FE_AG_REG_AG_MODE_LOP__A,
					 &AgModeLop,0x0000 ));
			AgModeLop &= (~( FE_AG_REG_AG_MODE_LOP_MODE_5__M |
					 FE_AG_REG_AG_MODE_LOP_MODE_E__M));
			AgModeLop |= ( FE_AG_REG_AG_MODE_LOP_MODE_5_STATIC |
				       FE_AG_REG_AG_MODE_LOP_MODE_E_DYNAMIC );
			CHK_ERROR(Write16(state,
					  FE_AG_REG_AG_MODE_LOP__A,
					  AgModeLop, 0x0000 ));
			/* Settle level */
			level = ( (( cfg->settleLevel )>>4) &
				  FE_AG_REG_TGC_SET_LVL__M );
			CHK_ERROR(Write16(state,
					  FE_AG_REG_TGC_SET_LVL__A,
					  level,0x0000 ));

			/* Min/max: don't care */

			/* Speed: TODO */

			/* enable AGC2 pin */
			{
				u16 FeAgRegAgAgcSio = 0;
				CHK_ERROR( Read16(state,
						  FE_AG_REG_AG_AGC_SIO__A,
						  &FeAgRegAgAgcSio, 0x0000 ));
				FeAgRegAgAgcSio &=
					~(FE_AG_REG_AG_AGC_SIO_AGC_SIO_2__M);
				FeAgRegAgAgcSio |=
					FE_AG_REG_AG_AGC_SIO_AGC_SIO_2_OUTPUT;
				CHK_ERROR( Write16(state,
						   FE_AG_REG_AG_AGC_SIO__A,
						   FeAgRegAgAgcSio, 0x0000 ));
			}

		} while(0);
	} else {
		u16 AgModeLop=0;

		do {
			/* No RF AGC control */
			/* Powerdown PD2, AGC2 as output, WRI source */
			(state->m_FeAgRegAgPwd) &=
				~(FE_AG_REG_AG_PWD_PWD_PD2__M);
			(state->m_FeAgRegAgPwd) |=
				FE_AG_REG_AG_PWD_PWD_PD2_ENABLE;
			CHK_ERROR(Write16(state,
					  FE_AG_REG_AG_PWD__A,
					  (state->m_FeAgRegAgPwd),0x0000 ));

			CHK_ERROR(Read16(state,
					 FE_AG_REG_AG_MODE_LOP__A,
					 &AgModeLop,0x0000 ));
			AgModeLop &= (~( FE_AG_REG_AG_MODE_LOP_MODE_5__M |
					 FE_AG_REG_AG_MODE_LOP_MODE_E__M));
			AgModeLop |= ( FE_AG_REG_AG_MODE_LOP_MODE_5_STATIC |
				       FE_AG_REG_AG_MODE_LOP_MODE_E_STATIC );
			CHK_ERROR(Write16(state,
					  FE_AG_REG_AG_MODE_LOP__A,
					  AgModeLop,0x0000 ));

			/* set FeAgRegAgAgcSio AGC2 (RF) as input */
			{
				u16 FeAgRegAgAgcSio = 0;
				CHK_ERROR( Read16(state,
						  FE_AG_REG_AG_AGC_SIO__A,
						  &FeAgRegAgAgcSio, 0x0000 ));
				FeAgRegAgAgcSio &=
					~(FE_AG_REG_AG_AGC_SIO_AGC_SIO_2__M);
				FeAgRegAgAgcSio |=
					FE_AG_REG_AG_AGC_SIO_AGC_SIO_2_INPUT;
				CHK_ERROR( Write16(state,
						   FE_AG_REG_AG_AGC_SIO__A,
						   FeAgRegAgAgcSio, 0x0000 ));
			}
		} while(0);
	}
	return status;
}

static int ReadIFAgc(struct drxd_state *state, u32 *pValue)
{
	int status = 0;

	*pValue = 0;
	if( state->if_agc_cfg.ctrlMode != AGC_CTRL_OFF ) {
		u16 Value;
		status = Read16(state, FE_AG_REG_GC1_AGC_DAT__A,&Value,0);
		Value &= FE_AG_REG_GC1_AGC_DAT__M;
		if(status>=0) {
			/*           3.3V
				      |
				      R1
				      |
			   Vin - R3 - * -- Vout
				      |
				      R2
				      |
				     GND
			*/
			u32 R1 = state->if_agc_cfg.R1;
			u32 R2 = state->if_agc_cfg.R2;
			u32 R3 = state->if_agc_cfg.R3;

			u32 Vmax = (3300 * R2) / ( R1 + R2 );
			u32 Rpar = ( R2 * R3 ) / ( R3 + R2 );
			u32 Vmin = (3300 * Rpar ) / ( R1 + Rpar );
			u32 Vout = Vmin + (( Vmax - Vmin ) * Value) / 1024;

			*pValue = Vout;
		}
	}
	return status;
}

static int DownloadMicrocode(struct drxd_state *state,
			     const u8 *pMCImage, u32 Length)
{
	u8 *pSrc;
	u16 Flags;
	u32 Address;
	u16 nBlocks;
	u16 BlockSize;
	u16 BlockCRC;
	u32 offset=0;
	int i, status=0;

	pSrc=(u8 *) pMCImage;
	Flags = (pSrc[0] << 8) | pSrc[1];
	pSrc += sizeof(u16); offset += sizeof(u16);
	nBlocks = (pSrc[0] << 8) | pSrc[1];
	pSrc += sizeof(u16); offset += sizeof(u16);

	for(i=0; i<nBlocks; i++ ) {
		Address=(pSrc[0] << 24) | (pSrc[1] << 16) |
			(pSrc[2] << 8) | pSrc[3];
		pSrc += sizeof(u32); offset += sizeof(u32);

		BlockSize = ( (pSrc[0] << 8) | pSrc[1] ) * sizeof(u16);
		pSrc += sizeof(u16); offset += sizeof(u16);

		Flags = (pSrc[0] << 8) | pSrc[1];
		pSrc += sizeof(u16); offset += sizeof(u16);

		BlockCRC = (pSrc[0] << 8) | pSrc[1];
		pSrc += sizeof(u16); offset += sizeof(u16);

		status = WriteBlock(state,Address,BlockSize,
				    pSrc,DRX_I2C_CLEARCRC);
		if (status<0)
			break;
		pSrc += BlockSize;
		offset += BlockSize;
	}

	return status;
}

static int HI_Command(struct drxd_state *state, u16 cmd, u16 *pResult)
{
	u32 nrRetries = 0;
	u16 waitCmd;
	int status;

	if ((status=Write16(state, HI_RA_RAM_SRV_CMD__A, cmd, 0))<0)
		return status;

	do {
		nrRetries+=1;
		if (nrRetries>DRXD_MAX_RETRIES) {
			status=-1;
			break;
		};
		status=Read16(state, HI_RA_RAM_SRV_CMD__A, &waitCmd, 0);
	} while (waitCmd!=0);

	if (status>=0)
		status=Read16(state, HI_RA_RAM_SRV_RES__A, pResult, 0);
	return status;
}

static int HI_CfgCommand(struct drxd_state *state)
{
	int status=0;

	down(&state->mutex);
	Write16(state, HI_RA_RAM_SRV_CFG_KEY__A,
		HI_RA_RAM_SRV_RST_KEY_ACT, 0);
	Write16(state, HI_RA_RAM_SRV_CFG_DIV__A, state->hi_cfg_timing_div, 0);
	Write16(state, HI_RA_RAM_SRV_CFG_BDL__A,
		state->hi_cfg_bridge_delay, 0);
	Write16(state, HI_RA_RAM_SRV_CFG_WUP__A, state->hi_cfg_wakeup_key, 0);
	Write16(state, HI_RA_RAM_SRV_CFG_ACT__A, state->hi_cfg_ctrl, 0);

	Write16(state, HI_RA_RAM_SRV_CFG_KEY__A,
		HI_RA_RAM_SRV_RST_KEY_ACT, 0);

	if ((state->hi_cfg_ctrl & HI_RA_RAM_SRV_CFG_ACT_PWD_EXE)==
	    HI_RA_RAM_SRV_CFG_ACT_PWD_EXE)
		status=Write16(state, HI_RA_RAM_SRV_CMD__A,
			       HI_RA_RAM_SRV_CMD_CONFIG, 0);
	else
		status=HI_Command(state, HI_RA_RAM_SRV_CMD_CONFIG, 0);
	up(&state->mutex);
	return status;
}

static int InitHI(struct drxd_state *state)
{
	state->hi_cfg_wakeup_key = (state->chip_adr);
	/* port/bridge/power down ctrl */
	state->hi_cfg_ctrl = HI_RA_RAM_SRV_CFG_ACT_SLV0_ON;
	return  HI_CfgCommand(state);
}

static int HI_ResetCommand(struct drxd_state *state)
{
	int status;

	down(&state->mutex);
	status=Write16(state, HI_RA_RAM_SRV_RST_KEY__A,
		       HI_RA_RAM_SRV_RST_KEY_ACT, 0);
	if (status==0)
		status=HI_Command(state, HI_RA_RAM_SRV_CMD_RESET, 0);
	up(&state->mutex);
	msleep(1);
	return status;
}

static int DRX_ConfigureI2CBridge(struct drxd_state *state,
				  int bEnableBridge)
{
	state->hi_cfg_ctrl &= (~HI_RA_RAM_SRV_CFG_ACT_BRD__M);
	if ( bEnableBridge )
		state->hi_cfg_ctrl |= HI_RA_RAM_SRV_CFG_ACT_BRD_ON;
	else
		state->hi_cfg_ctrl |= HI_RA_RAM_SRV_CFG_ACT_BRD_OFF;

	return HI_CfgCommand(state);
}

#define HI_TR_WRITE      0x9
#define HI_TR_READ       0xA
#define HI_TR_READ_WRITE 0xB
#define HI_TR_BROADCAST  0x4

#if 0
static int AtomicReadBlock(struct drxd_state *state,
			   u32 Addr, u16 DataSize, u8 *pData, u8 Flags)
{
	int status;
	int   i=0;

	/* Parameter check */
	if ( (!pData) || ( (DataSize & 1)!=0 ) )
		return -1;

	down(&state->mutex);

	do {
		/* Instruct HI to read n bytes */
		/* TODO use proper names forthese egisters */
		CHK_ERROR( Write16(state,HI_RA_RAM_SRV_CFG_KEY__A,
				   (HI_TR_FUNC_ADDR & 0xFFFF), 0));
		CHK_ERROR( Write16(state,HI_RA_RAM_SRV_CFG_DIV__A,
				   (u16)(Addr >> 16), 0));
		CHK_ERROR( Write16(state,HI_RA_RAM_SRV_CFG_BDL__A,
				   (u16)(Addr & 0xFFFF), 0));
		CHK_ERROR( Write16(state,HI_RA_RAM_SRV_CFG_WUP__A,
				   (u16)((DataSize/2) - 1), 0));
		CHK_ERROR( Write16(state,HI_RA_RAM_SRV_CFG_ACT__A,
				   HI_TR_READ, 0));

		CHK_ERROR( HI_Command(state, HI_RA_RAM_SRV_CMD_EXECUTE,0));

	} while(0);

	if (status>=0) {
		for (i = 0; i < (DataSize/2); i += 1) {
			u16 word;

			status = Read16(state, (HI_RA_RAM_USR_BEGIN__A + i),
					&word, 0);
			if( status<0)
				break;
			pData[2*i]       = (u8) (word & 0xFF);
			pData[(2*i) + 1] = (u8) (word >> 8 );
		}
	}
	up(&state->mutex);
	return status;
}

static int AtomicReadReg32(struct drxd_state *state,
			   u32 Addr, u32 *pData, u8 Flags)
{
	u8 buf[sizeof (u32)];
	int status;

	if (!pData)
		return -1;
	status=AtomicReadBlock(state, Addr, sizeof (u32), buf, Flags);
	*pData = (((u32) buf[0]) <<  0) +
		(((u32) buf[1]) <<  8) +
		(((u32) buf[2]) << 16) +
		(((u32) buf[3]) << 24);
	return status;
}
#endif

static int StopAllProcessors(struct drxd_state *state)
{
	return Write16(state, HI_COMM_EXEC__A,
		       SC_COMM_EXEC_CTL_STOP, DRX_I2C_BROADCAST);
}

static int EnableAndResetMB(struct drxd_state *state)
{
	if (state->type_A) {
		/* disable? monitor bus observe @ EC_OC */
		Write16(state, EC_OC_REG_OC_MON_SIO__A, 0x0000, 0x0000);
	}

	/* do inverse broadcast, followed by explicit write to HI */
	Write16(state, HI_COMM_MB__A, 0x0000, DRX_I2C_BROADCAST);
	Write16(state, HI_COMM_MB__A, 0x0000, 0x0000);
	return 0;
}

static int InitCC(struct drxd_state *state)
{
	if (state->osc_clock_freq == 0 ||
	    state->osc_clock_freq > 20000 ||
	    (state->osc_clock_freq % 4000 ) != 0 ) {
		printk("invalid osc frequency %d\n", state->osc_clock_freq);
		return -1;
	}

	Write16(state, CC_REG_OSC_MODE__A, CC_REG_OSC_MODE_M20, 0);
	Write16(state, CC_REG_PLL_MODE__A, CC_REG_PLL_MODE_BYPASS_PLL |
		CC_REG_PLL_MODE_PUMP_CUR_12, 0);
	Write16(state, CC_REG_REF_DIVIDE__A, state->osc_clock_freq/4000, 0);
	Write16(state, CC_REG_PWD_MODE__A, CC_REG_PWD_MODE_DOWN_PLL, 0);
	Write16(state, CC_REG_UPDATE__A, CC_REG_UPDATE_KEY, 0);

	return 0;
}

static int ResetECOD(struct drxd_state *state)
{
	int status = 0;

	if(state->type_A )
		status = Write16(state, EC_OD_REG_SYNC__A, 0x0664, 0);
	else
		status = Write16(state, B_EC_OD_REG_SYNC__A, 0x0664, 0);

	if (!(status<0))
		status = WriteTable(state, state->m_ResetECRAM);
	if (!(status<0))
		status = Write16(state, EC_OD_REG_COMM_EXEC__A, 0x0001, 0);
	return status;
}


/* Configure PGA switch */

static int SetCfgPga(struct drxd_state *state, int pgaSwitch)
{
	int status;
	u16 AgModeLop = 0;
	u16 AgModeHip = 0;
	do {
		if ( pgaSwitch  ) {
			/* PGA on */
			/* fine gain */
			CHK_ERROR(Read16(state, B_FE_AG_REG_AG_MODE_LOP__A,
					 &AgModeLop, 0x0000));
			AgModeLop&=(~(B_FE_AG_REG_AG_MODE_LOP_MODE_C__M));
			AgModeLop|= B_FE_AG_REG_AG_MODE_LOP_MODE_C_DYNAMIC;
			CHK_ERROR(Write16(state, B_FE_AG_REG_AG_MODE_LOP__A,
					  AgModeLop, 0x0000));

			/* coarse gain */
			CHK_ERROR(Read16(state, B_FE_AG_REG_AG_MODE_HIP__A,
					 &AgModeHip, 0x0000));
			AgModeHip&=(~(B_FE_AG_REG_AG_MODE_HIP_MODE_J__M));
			AgModeHip|= B_FE_AG_REG_AG_MODE_HIP_MODE_J_DYNAMIC ;
			CHK_ERROR(Write16(state, B_FE_AG_REG_AG_MODE_HIP__A,
					  AgModeHip, 0x0000));

			/* enable fine and coarse gain, enable AAF,
			   no ext resistor */
			CHK_ERROR(Write16(state, B_FE_AG_REG_AG_PGA_MODE__A,
				      B_FE_AG_REG_AG_PGA_MODE_PFY_PCY_AFY_REN,
					  0x0000));
		} else {
			/* PGA off, bypass */

			/* fine gain */
			CHK_ERROR(Read16(state, B_FE_AG_REG_AG_MODE_LOP__A,
					 &AgModeLop, 0x0000));
			AgModeLop&=(~(B_FE_AG_REG_AG_MODE_LOP_MODE_C__M));
			AgModeLop|= B_FE_AG_REG_AG_MODE_LOP_MODE_C_STATIC ;
			CHK_ERROR(Write16(state, B_FE_AG_REG_AG_MODE_LOP__A,
					  AgModeLop, 0x0000));

			/* coarse gain */
			CHK_ERROR(Read16(state, B_FE_AG_REG_AG_MODE_HIP__A,
					 &AgModeHip, 0x0000));
			AgModeHip&=(~(B_FE_AG_REG_AG_MODE_HIP_MODE_J__M));
			AgModeHip|= B_FE_AG_REG_AG_MODE_HIP_MODE_J_STATIC ;
			CHK_ERROR(Write16(state, B_FE_AG_REG_AG_MODE_HIP__A,
					  AgModeHip, 0x0000));

			/* disable fine and coarse gain, enable AAF,
			   no ext resistor */
			CHK_ERROR(Write16(state, B_FE_AG_REG_AG_PGA_MODE__A,
				      B_FE_AG_REG_AG_PGA_MODE_PFN_PCN_AFY_REN,
					  0x0000));
		}
	}
	while(0);
	return status;
}

static int InitFE(struct drxd_state *state)
{
   int status;

    do
    {
	CHK_ERROR( WriteTable(state, state->m_InitFE_1));

	if( state->type_A ) {
		status = Write16(state,  FE_AG_REG_AG_PGA_MODE__A,
				 FE_AG_REG_AG_PGA_MODE_PFN_PCN_AFY_REN, 0);
	} else {
		if (state->PGA)
			status = SetCfgPga(state, 0);
		else
			status =
			 Write16(state, B_FE_AG_REG_AG_PGA_MODE__A,
				 B_FE_AG_REG_AG_PGA_MODE_PFN_PCN_AFY_REN, 0);
	}

	if (status<0) break;
	CHK_ERROR( Write16( state, FE_AG_REG_AG_AGC_SIO__A,
			    state->m_FeAgRegAgAgcSio, 0x0000));
	CHK_ERROR( Write16( state, FE_AG_REG_AG_PWD__A,state->m_FeAgRegAgPwd,
			    0x0000));

	CHK_ERROR( WriteTable(state, state->m_InitFE_2));


    } while(0);

    return status;
}

static int InitFT(struct drxd_state *state)
{
	/*
	  norm OFFSET,  MB says =2 voor 8K en =3 voor 2K waarschijnlijk
	  SC stuff
	*/
	return Write16(state, FT_REG_COMM_EXEC__A, 0x0001, 0x0000 );
}

static int SC_WaitForReady(struct drxd_state *state)
{
	u16 curCmd;
	int i;

	for(i = 0; i < DRXD_MAX_RETRIES; i += 1 )
	{
		int status = Read16(state, SC_RA_RAM_CMD__A,&curCmd,0);
		if (status==0 || curCmd == 0 )
			return status;
	}
	return -1;
}

static int SC_SendCommand(struct drxd_state *state, u16 cmd)
{
	int status=0;
	u16 errCode;

	Write16(state, SC_RA_RAM_CMD__A,cmd,0);
	SC_WaitForReady(state);

	Read16(state, SC_RA_RAM_CMD_ADDR__A,&errCode,0);

	if( errCode == 0xFFFF )
	{
		   printk("Command Error\n");
		   status = -1;
	}

	return status;
}

static int SC_ProcStartCommand(struct drxd_state *state,
			       u16 subCmd,u16 param0,u16 param1)
{
	int status=0;
	u16 scExec;

	down(&state->mutex);
	do {
		Read16(state, SC_COMM_EXEC__A, &scExec, 0);
		if (scExec != 1) {
			status=-1;
			break;
		}
		SC_WaitForReady(state);
		Write16(state, SC_RA_RAM_CMD_ADDR__A,subCmd,0);
		Write16(state, SC_RA_RAM_PARAM1__A,param1,0);
		Write16(state, SC_RA_RAM_PARAM0__A,param0,0);

		SC_SendCommand(state, SC_RA_RAM_CMD_PROC_START);
	} while(0);
	up(&state->mutex);
	return status;
}


static int SC_SetPrefParamCommand(struct drxd_state *state,
				  u16 subCmd,u16 param0,u16 param1)
{
	int status;

	down(&state->mutex);
	do {
		CHK_ERROR( SC_WaitForReady(state) );
		CHK_ERROR( Write16(state,SC_RA_RAM_CMD_ADDR__A,subCmd,0) );
		CHK_ERROR( Write16(state,SC_RA_RAM_PARAM1__A,param1,0) );
		CHK_ERROR( Write16(state,SC_RA_RAM_PARAM0__A,param0,0) );

		CHK_ERROR( SC_SendCommand(state,
					  SC_RA_RAM_CMD_SET_PREF_PARAM) );
	} while(0);
	up(&state->mutex);
	return status;
}

#if 0
static int SC_GetOpParamCommand(struct drxd_state *state, u16 *result)
{
	int status=0;

	down(&state->mutex);
	do {
		CHK_ERROR( SC_WaitForReady(state) );
		CHK_ERROR( SC_SendCommand(state,
					  SC_RA_RAM_CMD_GET_OP_PARAM) );
		CHK_ERROR( Read16(state, SC_RA_RAM_PARAM0__A,result, 0 ) );
	} while(0);
	up(&state->mutex);
	return status;
}
#endif

static int ConfigureMPEGOutput(struct drxd_state *state, int bEnableOutput)
{
	int status;

	do {
		u16 EcOcRegIprInvMpg = 0;
		u16 EcOcRegOcModeLop = 0;
		u16 EcOcRegOcModeHip = 0;
		u16 EcOcRegOcMpgSio  = 0;

		/*CHK_ERROR(Read16(state, EC_OC_REG_OC_MODE_LOP__A,
		  &EcOcRegOcModeLop, 0));*/

		if( state->operation_mode == OM_DVBT_Diversity_Front )
		{
			if ( bEnableOutput )
			{
				EcOcRegOcModeHip |=
				  B_EC_OC_REG_OC_MODE_HIP_MPG_BUS_SRC_MONITOR;
			}
			else
				EcOcRegOcMpgSio |= EC_OC_REG_OC_MPG_SIO__M;
			EcOcRegOcModeLop |=
				EC_OC_REG_OC_MODE_LOP_PAR_ENA_DISABLE;
		}
		else
		{
			EcOcRegOcModeLop = state->m_EcOcRegOcModeLop;

			if (bEnableOutput)
				EcOcRegOcMpgSio &=
					(~(EC_OC_REG_OC_MPG_SIO__M));
			else
				EcOcRegOcMpgSio |= EC_OC_REG_OC_MPG_SIO__M;

			/* Don't Insert RS Byte */
			if( state->insert_rs_byte  )
			{
				EcOcRegOcModeLop &=
					(~(EC_OC_REG_OC_MODE_LOP_PAR_ENA__M));
				EcOcRegOcModeHip &=
				     (~EC_OC_REG_OC_MODE_HIP_MPG_PAR_VAL__M);
				EcOcRegOcModeHip |=
				    EC_OC_REG_OC_MODE_HIP_MPG_PAR_VAL_ENABLE;
			} else {
				EcOcRegOcModeLop |=
					EC_OC_REG_OC_MODE_LOP_PAR_ENA_DISABLE;
				EcOcRegOcModeHip &=
				    (~EC_OC_REG_OC_MODE_HIP_MPG_PAR_VAL__M);
				EcOcRegOcModeHip |=
				    EC_OC_REG_OC_MODE_HIP_MPG_PAR_VAL_DISABLE;
			}

			/* Mode = Parallel */
			if( state->enable_parallel )
				EcOcRegOcModeLop &=
				    (~(EC_OC_REG_OC_MODE_LOP_MPG_TRM_MDE__M));
			else
				EcOcRegOcModeLop |=
				    EC_OC_REG_OC_MODE_LOP_MPG_TRM_MDE_SERIAL;
		}
		/* Invert Data */
		/* EcOcRegIprInvMpg |= 0x00FF; */
		EcOcRegIprInvMpg &= (~(0x00FF));

		/* Invert Error ( we don't use the pin ) */
		/*  EcOcRegIprInvMpg |= 0x0100; */
		EcOcRegIprInvMpg &= (~(0x0100));

		/* Invert Start ( we don't use the pin ) */
		/* EcOcRegIprInvMpg |= 0x0200; */
		EcOcRegIprInvMpg &= (~(0x0200));

		/* Invert Valid ( we don't use the pin ) */
		/* EcOcRegIprInvMpg |= 0x0400; */
		EcOcRegIprInvMpg &= (~(0x0400));

		/* Invert Clock */
		/* EcOcRegIprInvMpg |= 0x0800; */
		EcOcRegIprInvMpg &= (~(0x0800));

		/* EcOcRegOcModeLop =0x05; */
		CHK_ERROR( Write16(state, EC_OC_REG_IPR_INV_MPG__A,
				   EcOcRegIprInvMpg, 0));
		CHK_ERROR( Write16(state, EC_OC_REG_OC_MODE_LOP__A,
				   EcOcRegOcModeLop, 0) );
		CHK_ERROR( Write16(state, EC_OC_REG_OC_MODE_HIP__A,
				   EcOcRegOcModeHip, 0x0000  ) );
		CHK_ERROR( Write16(state, EC_OC_REG_OC_MPG_SIO__A,
				   EcOcRegOcMpgSio, 0) );
	} while(0);
	return status;
}

static int SetDeviceTypeId(struct drxd_state *state)
{
    int status = 0;
    u16 deviceId = 0 ;

    do {
	    CHK_ERROR(Read16(state, CC_REG_JTAGID_L__A, &deviceId, 0));
	    /* TODO: why twice? */
	    CHK_ERROR(Read16(state, CC_REG_JTAGID_L__A, &deviceId, 0));
	    printk( "drxd: deviceId = %04x\n",deviceId);

	    state->type_A = 0;
	    state->PGA = 0;
	    state->diversity = 0;
	    if (deviceId == 0) { /* on A2 only 3975 available */
		    state->type_A = 1;
		    printk("DRX3975D-A2\n");
	    } else {
		    deviceId >>= 12;
		    printk("DRX397%dD-B1\n",deviceId);
		    switch(deviceId) {
		    case 4:
			    state->diversity = 1;
		    case 3:
		    case 7:
			    state->PGA = 1;
			    break;
		    case 6:
			    state->diversity = 1;
		    case 5:
		    case 8:
			    break;
		    default:
			    status = -1;
			    break;
		    }
	    }
    } while(0);

    if (status<0)
	    return status;

    /* Init Table selection */
    state->m_InitAtomicRead = DRXD_InitAtomicRead;
    state->m_InitSC   = DRXD_InitSC;
    state->m_ResetECRAM = DRXD_ResetECRAM;
    if (state->type_A) {
	    state->m_ResetCEFR = DRXD_ResetCEFR;
	    state->m_InitFE_1 = DRXD_InitFEA2_1;
	    state->m_InitFE_2 = DRXD_InitFEA2_2;
	    state->m_InitCP   = DRXD_InitCPA2;
	    state->m_InitCE   = DRXD_InitCEA2;
	    state->m_InitEQ   = DRXD_InitEQA2;
	    state->m_InitEC   = DRXD_InitECA2;
	    state->microcode = DRXD_A2_microcode;
	    state->microcode_length = DRXD_A2_microcode_length;
    } else {
	    state->m_ResetCEFR = NULL;
	    state->m_InitFE_1 = DRXD_InitFEB1_1;
	    state->m_InitFE_2 = DRXD_InitFEB1_2;
	    state->m_InitCP   = DRXD_InitCPB1;
	    state->m_InitCE   = DRXD_InitCEB1;
	    state->m_InitEQ   = DRXD_InitEQB1;
	    state->m_InitEC   = DRXD_InitECB1;
	    state->microcode = DRXD_B1_microcode;
	    state->microcode_length = DRXD_B1_microcode_length;
    }
    if (state->diversity) {
	    state->m_InitDiversityFront = DRXD_InitDiversityFront;
	    state->m_InitDiversityEnd = DRXD_InitDiversityEnd;
	    state->m_DisableDiversity = DRXD_DisableDiversity;
	    state->m_StartDiversityFront = DRXD_StartDiversityFront;
	    state->m_StartDiversityEnd = DRXD_StartDiversityEnd;
	    state->m_DiversityDelay8MHZ = DRXD_DiversityDelay8MHZ;
	    state->m_DiversityDelay6MHZ = DRXD_DiversityDelay6MHZ;
    } else {
	    state->m_InitDiversityFront = NULL;
	    state->m_InitDiversityEnd = NULL;
	    state->m_DisableDiversity = NULL;
	    state->m_StartDiversityFront = NULL;
	    state->m_StartDiversityEnd = NULL;
	    state->m_DiversityDelay8MHZ = NULL;
	    state->m_DiversityDelay6MHZ = NULL;
    }

    return status;
}

static int CorrectSysClockDeviation(struct drxd_state *state)
{
	int status;
	s32  incr = 0;
	s32  nomincr = 0;
	u32 bandwidth=0;
	u32 sysClockInHz=0;
	u32 sysClockFreq=0; /* in kHz */
	s16 oscClockDeviation;
	s16 Diff;

	do {
		/* Retrieve bandwidth and incr, sanity check */

		/* These accesses should be AtomicReadReg32, but that
		   causes trouble (at least for diversity */
		CHK_ERROR( Read32(state, LC_RA_RAM_IFINCR_NOM_L__A,
				  ((u32 *)&nomincr),0 ));
		CHK_ERROR( Read32(state, FE_IF_REG_INCR0__A,
				  (u32 *) &incr,0 ));

		if( state->type_A ) {
			if( (nomincr - incr < -500) ||
			    (nomincr - incr > 500 ) )
				break;
		} else {
			if( (nomincr - incr < -2000 ) ||
			    (nomincr - incr > 2000 ) )
				break;
		}

		switch( state->param.u.ofdm.bandwidth )
		{
		case BANDWIDTH_8_MHZ    :
			bandwidth = DRXD_BANDWIDTH_8MHZ_IN_HZ;
			break;
		case BANDWIDTH_7_MHZ    :
			bandwidth = DRXD_BANDWIDTH_7MHZ_IN_HZ;
			break;
		case BANDWIDTH_6_MHZ    :
			bandwidth = DRXD_BANDWIDTH_6MHZ_IN_HZ;
			break;
		default                    :
			return -1;
			break;
		}

		/* Compute new sysclock value
		   sysClockFreq = (((incr + 2^23)*bandwidth)/2^21)/1000 */
		incr += (1<<23);
		sysClockInHz = MulDiv32(incr,bandwidth,1<<21);
		sysClockFreq= (u32)(sysClockInHz/1000);
		/* rounding */
		if ( ( sysClockInHz%1000 ) > 500 )
		{
			sysClockFreq++;
		}

		/* Compute clock deviation in ppm */
		oscClockDeviation = (u16) (
			(((s32)(sysClockFreq) -
			  (s32)(state->expected_sys_clock_freq))*
			 1000000L)/(s32)(state->expected_sys_clock_freq) );

		Diff = oscClockDeviation - state->osc_clock_deviation;
		/*printk("sysclockdiff=%d\n", Diff);*/
		if( Diff >= -200 && Diff <= 200 ) {
			state->sys_clock_freq = (u16) sysClockFreq;
			if( oscClockDeviation !=
			    state->osc_clock_deviation ) {
				if (state->config.osc_deviation) {
					state->config.osc_deviation(
						state->priv,
						oscClockDeviation, 1);
					state->osc_clock_deviation=
						oscClockDeviation;
				}
			}
			/* switch OFF SRMM scan in SC */
			CHK_ERROR( Write16( state,
					    SC_RA_RAM_SAMPLE_RATE_COUNT__A,
					    DRXD_OSCDEV_DONT_SCAN,0));
			/* overrule FE_IF internal value for
			   proper re-locking */
			CHK_ERROR( Write16( state, SC_RA_RAM_IF_SAVE__AX,
					    state->current_fe_if_incr, 0));
			state->cscd_state = CSCD_SAVED;
		}
	} while(0);

	return (status);
}

static int DRX_Stop(struct drxd_state *state)
{
	int status;

	if( state->drxd_state != DRXD_STARTED )
		return 0;

	do {
		if (state->cscd_state != CSCD_SAVED ) {
			u32 lock;
			CHK_ERROR( DRX_GetLockStatus(state, &lock));
		}

		CHK_ERROR(StopOC(state));

		state->drxd_state = DRXD_STOPPED;

		CHK_ERROR( ConfigureMPEGOutput(state, 0) );

		if(state->type_A ) {
			/* Stop relevant processors off the device */
			CHK_ERROR( Write16(state, EC_OD_REG_COMM_EXEC__A,
					   0x0000, 0x0000));

			CHK_ERROR( Write16(state, SC_COMM_EXEC__A,
					   SC_COMM_EXEC_CTL_STOP, 0 ));
			CHK_ERROR( Write16(state, LC_COMM_EXEC__A,
					   SC_COMM_EXEC_CTL_STOP, 0 ));
		} else {
			/* Stop all processors except HI & CC & FE */
			CHK_ERROR(Write16(state,
					  B_SC_COMM_EXEC__A,
					  SC_COMM_EXEC_CTL_STOP, 0 ));
			CHK_ERROR(Write16(state,
					  B_LC_COMM_EXEC__A,
					  SC_COMM_EXEC_CTL_STOP, 0 ));
			CHK_ERROR(Write16(state,
					  B_FT_COMM_EXEC__A,
					  SC_COMM_EXEC_CTL_STOP, 0 ));
			CHK_ERROR(Write16(state,
					  B_CP_COMM_EXEC__A,
					  SC_COMM_EXEC_CTL_STOP, 0 ));
			CHK_ERROR(Write16(state,
					  B_CE_COMM_EXEC__A,
					  SC_COMM_EXEC_CTL_STOP, 0 ));
			CHK_ERROR(Write16(state,
					  B_EQ_COMM_EXEC__A,
					  SC_COMM_EXEC_CTL_STOP, 0 ));
			CHK_ERROR(Write16(state,
					  EC_OD_REG_COMM_EXEC__A,
					  0x0000, 0 ));
		}

	} while(0);
	return status;
}


int SetOperationMode(struct drxd_state *state, int oMode)
{
	int status;

	do {
		if (state->drxd_state != DRXD_STOPPED) {
			status = -1;
			break;
		}

		if (oMode == state->operation_mode) {
			status = 0;
			break;
		}

		if (oMode != OM_Default && !state->diversity) {
			status = -1;
			break;
		}

		switch(oMode)
		{
		case OM_DVBT_Diversity_Front:
			status = WriteTable(state,
					    state->m_InitDiversityFront);
			break;
		case OM_DVBT_Diversity_End:
			status = WriteTable(state,
					    state->m_InitDiversityEnd);
			break;
		case OM_Default:
			/* We need to check how to
			   get DRXD out of diversity */
		default:
			status = WriteTable(state, state->m_DisableDiversity);
			break;
		}
	} while(0);

	if (!status)
		state->operation_mode = oMode;
	return status;
}



static int StartDiversity(struct drxd_state *state)
{
	int status=0;
	u16 rcControl;

	do {
		if (state->operation_mode == OM_DVBT_Diversity_Front) {
			CHK_ERROR(WriteTable(state,
					     state->m_StartDiversityFront));
		} else if( state->operation_mode == OM_DVBT_Diversity_End ) {
			CHK_ERROR(WriteTable(state,
					     state->m_StartDiversityEnd));
			if( state->param.u.ofdm.bandwidth ==
			    BANDWIDTH_8_MHZ ) {
				CHK_ERROR(
					WriteTable(state,
						   state->
						   m_DiversityDelay8MHZ));
			} else {
				CHK_ERROR(
					WriteTable(state,
						   state->
						   m_DiversityDelay6MHZ));
			}

			CHK_ERROR(Read16(state,
					 B_EQ_REG_RC_SEL_CAR__A,
					 &rcControl,0));
			rcControl &= ~(B_EQ_REG_RC_SEL_CAR_FFTMODE__M);
			rcControl |= B_EQ_REG_RC_SEL_CAR_DIV_ON |
				/*  combining enabled */
				B_EQ_REG_RC_SEL_CAR_MEAS_A_CC |
				B_EQ_REG_RC_SEL_CAR_PASS_A_CC |
				B_EQ_REG_RC_SEL_CAR_LOCAL_A_CC;
			CHK_ERROR(Write16(state,
					  B_EQ_REG_RC_SEL_CAR__A,
					  rcControl,0));
		}
	} while(0);
	return status;
}


static int SetFrequencyShift(struct drxd_state *state,
			     u32 offsetFreq, int channelMirrored)
{
	int negativeShift = (state->tuner_mirrors == channelMirrored);

	/* Handle all mirroring
	 *
	 * Note: ADC mirroring (aliasing) is implictly handled by limiting
	 * feFsRegAddInc to 28 bits below
	 * (if the result before masking is more than 28 bits, this means
	 *  that the ADC is mirroring.
	 * The masking is in fact the aliasing of the ADC)
	 *
	 */

	/* Compute register value, unsigned computation */
	state->fe_fs_add_incr = MulDiv32( state->intermediate_freq +
					 offsetFreq,
					 1<<28, state->sys_clock_freq);
	/* Remove integer part */
	state->fe_fs_add_incr &= 0x0FFFFFFFL;
	if (negativeShift)
	{
		state->fe_fs_add_incr = ((1<<28) - state->fe_fs_add_incr);
	}

	/* Save the frequency shift without tunerOffset compensation
	   for CtrlGetChannel. */
	state->org_fe_fs_add_incr = MulDiv32( state->intermediate_freq,
					    1<<28, state->sys_clock_freq);
	/* Remove integer part */
	state->org_fe_fs_add_incr &= 0x0FFFFFFFL;
	if (negativeShift)
		state->org_fe_fs_add_incr = ((1L<<28) -
					     state->org_fe_fs_add_incr);

	return Write32(state, FE_FS_REG_ADD_INC_LOP__A,
		       state->fe_fs_add_incr, 0);
}

static int SetCfgNoiseCalibration (struct drxd_state *state,
				   struct SNoiseCal* noiseCal )
{
	u16 beOptEna;
	int status=0;

	do {
		CHK_ERROR(Read16(state, SC_RA_RAM_BE_OPT_ENA__A,
				 &beOptEna, 0));
		if (noiseCal->cpOpt)
		{
			beOptEna |= (1 << SC_RA_RAM_BE_OPT_ENA_CP_OPT);
		} else {
			beOptEna &= ~(1 << SC_RA_RAM_BE_OPT_ENA_CP_OPT);
			CHK_ERROR(Write16(state, CP_REG_AC_NEXP_OFFS__A,
					  noiseCal->cpNexpOfs, 0));
		}
		CHK_ERROR(Write16(state, SC_RA_RAM_BE_OPT_ENA__A,
				  beOptEna, 0));

		if( !state->type_A )
		{
			CHK_ERROR(Write16( state,
					   B_SC_RA_RAM_CO_TD_CAL_2K__A,
					   noiseCal->tdCal2k,0));
			CHK_ERROR(Write16( state,
					   B_SC_RA_RAM_CO_TD_CAL_8K__A,
					   noiseCal->tdCal8k,0));
		}
	} while(0);

	return status;
}

static int DRX_Start(struct drxd_state *state, s32 off)
{
	struct dvb_ofdm_parameters *p = &state->param.u.ofdm;
	int status;

	u16  transmissionParams = 0;
	u16  operationMode = 0;
	u16  qpskTdTpsPwr = 0;
	u16  qam16TdTpsPwr = 0;
	u16  qam64TdTpsPwr = 0;
	u32   feIfIncr = 0;
	u32   bandwidth = 0;
	int mirrorFreqSpect;

	u16  qpskSnCeGain  = 0;
	u16  qam16SnCeGain = 0;
	u16  qam64SnCeGain = 0;
	u16  qpskIsGainMan  = 0;
	u16  qam16IsGainMan = 0;
	u16  qam64IsGainMan = 0;
	u16  qpskIsGainExp  = 0;
	u16  qam16IsGainExp = 0;
	u16  qam64IsGainExp = 0;
	u16  bandwidthParam = 0;

	if (off<0)
		off=(off-500)/1000;
	else
		off=(off+500)/1000;

	do {
		if (state->drxd_state != DRXD_STOPPED)
			return -1;
		CHK_ERROR( ResetECOD(state) );
		if (state->type_A) {
			CHK_ERROR( InitSC(state) );
		} else {
			CHK_ERROR( InitFT(state) );
			CHK_ERROR( InitCP(state) );
			CHK_ERROR( InitCE(state) );
			CHK_ERROR( InitEQ(state) );
			CHK_ERROR( InitSC(state) );
		}

		/* Restore current IF & RF AGC settings */

		CHK_ERROR(SetCfgIfAgc(state, &state->if_agc_cfg ));
		CHK_ERROR(SetCfgRfAgc(state, &state->rf_agc_cfg ));

		mirrorFreqSpect=( state->param.inversion==INVERSION_ON);

		switch (p->transmission_mode) {
		default:  /* Not set, detect it automatically */
			operationMode |= SC_RA_RAM_OP_AUTO_MODE__M;
			/* fall through , try first guess DRX_FFTMODE_8K */
		case TRANSMISSION_MODE_8K :
			transmissionParams |= SC_RA_RAM_OP_PARAM_MODE_8K;
			if (state->type_A) {
				CHK_ERROR( Write16(state,
						   EC_SB_REG_TR_MODE__A,
						   EC_SB_REG_TR_MODE_8K,
						   0x0000 ));
				qpskSnCeGain  = 99;
				qam16SnCeGain = 83;
				qam64SnCeGain = 67;
			}
			break;
		case TRANSMISSION_MODE_2K :
			transmissionParams |= SC_RA_RAM_OP_PARAM_MODE_2K;
			if (state->type_A) {
				CHK_ERROR( Write16(state,
						   EC_SB_REG_TR_MODE__A,
						   EC_SB_REG_TR_MODE_2K,
						   0x0000 ));
				qpskSnCeGain  = 97;
				qam16SnCeGain = 71;
				qam64SnCeGain = 65;
			}
			break;
		}

		switch( p->guard_interval )
		{
		case GUARD_INTERVAL_1_4:
			transmissionParams |= SC_RA_RAM_OP_PARAM_GUARD_4;
			break;
		case GUARD_INTERVAL_1_8:
			transmissionParams |= SC_RA_RAM_OP_PARAM_GUARD_8;
			break;
		case GUARD_INTERVAL_1_16:
			transmissionParams |= SC_RA_RAM_OP_PARAM_GUARD_16;
			break;
		case GUARD_INTERVAL_1_32:
			transmissionParams |= SC_RA_RAM_OP_PARAM_GUARD_32;
			break;
		default:  /* Not set, detect it automatically */
			operationMode |= SC_RA_RAM_OP_AUTO_GUARD__M;
			/* try first guess 1/4 */
			transmissionParams |= SC_RA_RAM_OP_PARAM_GUARD_4;
			break;
		}

		switch( p->hierarchy_information )
		{
		case HIERARCHY_1:
			transmissionParams |= SC_RA_RAM_OP_PARAM_HIER_A1;
			if (state->type_A) {
				CHK_ERROR( Write16(state, EQ_REG_OT_ALPHA__A,
						   0x0001, 0x0000 ) );
				CHK_ERROR( Write16(state, EC_SB_REG_ALPHA__A,
						   0x0001, 0x0000 ) );

				qpskTdTpsPwr  = EQ_TD_TPS_PWR_UNKNOWN;
				qam16TdTpsPwr = EQ_TD_TPS_PWR_QAM16_ALPHA1;
				qam64TdTpsPwr = EQ_TD_TPS_PWR_QAM64_ALPHA1;

				qpskIsGainMan  =
					SC_RA_RAM_EQ_IS_GAIN_UNKNOWN_MAN__PRE;
				qam16IsGainMan =
					SC_RA_RAM_EQ_IS_GAIN_16QAM_MAN__PRE;
				qam64IsGainMan =
					SC_RA_RAM_EQ_IS_GAIN_64QAM_MAN__PRE;

				qpskIsGainExp  =
					SC_RA_RAM_EQ_IS_GAIN_UNKNOWN_EXP__PRE;
				qam16IsGainExp =
					SC_RA_RAM_EQ_IS_GAIN_16QAM_EXP__PRE;
				qam64IsGainExp =
					SC_RA_RAM_EQ_IS_GAIN_64QAM_EXP__PRE;
			}
			break;

		case HIERARCHY_2:
			transmissionParams |= SC_RA_RAM_OP_PARAM_HIER_A2;
			if (state->type_A) {
				CHK_ERROR( Write16(state,  EQ_REG_OT_ALPHA__A,
						   0x0002, 0x0000 ) );
				CHK_ERROR( Write16(state,  EC_SB_REG_ALPHA__A,
						   0x0002, 0x0000 ) );

				qpskTdTpsPwr  = EQ_TD_TPS_PWR_UNKNOWN;
				qam16TdTpsPwr = EQ_TD_TPS_PWR_QAM16_ALPHA2;
				qam64TdTpsPwr = EQ_TD_TPS_PWR_QAM64_ALPHA2;

				qpskIsGainMan =
					SC_RA_RAM_EQ_IS_GAIN_UNKNOWN_MAN__PRE;
				qam16IsGainMan =
					SC_RA_RAM_EQ_IS_GAIN_16QAM_A2_MAN__PRE;
				qam64IsGainMan =
					SC_RA_RAM_EQ_IS_GAIN_64QAM_A2_MAN__PRE;

				qpskIsGainExp  =
					SC_RA_RAM_EQ_IS_GAIN_UNKNOWN_EXP__PRE;
				qam16IsGainExp =
					SC_RA_RAM_EQ_IS_GAIN_16QAM_A2_EXP__PRE;
				qam64IsGainExp =
					SC_RA_RAM_EQ_IS_GAIN_64QAM_A2_EXP__PRE;
			}
			break;
		case HIERARCHY_4:
			transmissionParams |= SC_RA_RAM_OP_PARAM_HIER_A4;
			if (state->type_A) {
				CHK_ERROR( Write16(state,  EQ_REG_OT_ALPHA__A,
						   0x0003, 0x0000 ));
				CHK_ERROR( Write16(state,  EC_SB_REG_ALPHA__A,
						   0x0003, 0x0000 ) );

				qpskTdTpsPwr  = EQ_TD_TPS_PWR_UNKNOWN;
				qam16TdTpsPwr = EQ_TD_TPS_PWR_QAM16_ALPHA4;
				qam64TdTpsPwr = EQ_TD_TPS_PWR_QAM64_ALPHA4;

				qpskIsGainMan  =
					SC_RA_RAM_EQ_IS_GAIN_UNKNOWN_MAN__PRE;
				qam16IsGainMan =
					SC_RA_RAM_EQ_IS_GAIN_16QAM_A4_MAN__PRE;
				qam64IsGainMan =
					SC_RA_RAM_EQ_IS_GAIN_64QAM_A4_MAN__PRE;

				qpskIsGainExp  =
					SC_RA_RAM_EQ_IS_GAIN_UNKNOWN_EXP__PRE;
				qam16IsGainExp =
					SC_RA_RAM_EQ_IS_GAIN_16QAM_A4_EXP__PRE;
				qam64IsGainExp =
					SC_RA_RAM_EQ_IS_GAIN_64QAM_A4_EXP__PRE;
			}
			break;
		case HIERARCHY_AUTO:
		default:
			/* Not set, detect it automatically, start with none */
			operationMode |= SC_RA_RAM_OP_AUTO_HIER__M;
			transmissionParams |= SC_RA_RAM_OP_PARAM_HIER_NO;
			if (state->type_A) {
				CHK_ERROR( Write16(state, EQ_REG_OT_ALPHA__A,
						   0x0000, 0x0000 ) );
				CHK_ERROR( Write16(state, EC_SB_REG_ALPHA__A,
						   0x0000, 0x0000 ) );

				qpskTdTpsPwr  = EQ_TD_TPS_PWR_QPSK;
				qam16TdTpsPwr = EQ_TD_TPS_PWR_QAM16_ALPHAN;
				qam64TdTpsPwr = EQ_TD_TPS_PWR_QAM64_ALPHAN;

				qpskIsGainMan  =
					SC_RA_RAM_EQ_IS_GAIN_QPSK_MAN__PRE;
				qam16IsGainMan =
					SC_RA_RAM_EQ_IS_GAIN_16QAM_MAN__PRE;
				qam64IsGainMan =
					SC_RA_RAM_EQ_IS_GAIN_64QAM_MAN__PRE;

				qpskIsGainExp  =
					SC_RA_RAM_EQ_IS_GAIN_QPSK_EXP__PRE;
				qam16IsGainExp =
					SC_RA_RAM_EQ_IS_GAIN_16QAM_EXP__PRE;
				qam64IsGainExp =
					SC_RA_RAM_EQ_IS_GAIN_64QAM_EXP__PRE;
			}
			break;
		}
		CHK_ERROR( status );

		switch( p->constellation ) {
		default:
			operationMode |= SC_RA_RAM_OP_AUTO_CONST__M;
			/* fall through , try first guess
			   DRX_CONSTELLATION_QAM64 */
		case QAM_64:
			transmissionParams |= SC_RA_RAM_OP_PARAM_CONST_QAM64;
			if (state->type_A) {
				CHK_ERROR(Write16(state, EQ_REG_OT_CONST__A,
						  0x0002, 0x0000 ) );
				CHK_ERROR(Write16(state, EC_SB_REG_CONST__A,
						  EC_SB_REG_CONST_64QAM,
						  0x0000) );
				CHK_ERROR(Write16(state,
						  EC_SB_REG_SCALE_MSB__A,
						  0x0020, 0x0000 ) );
				CHK_ERROR(Write16(state,
						  EC_SB_REG_SCALE_BIT2__A,
						  0x0008, 0x0000 ) );
				CHK_ERROR(Write16(state,
						  EC_SB_REG_SCALE_LSB__A,
						  0x0002, 0x0000 ) );

				CHK_ERROR(Write16(state,
						  EQ_REG_TD_TPS_PWR_OFS__A,
						  qam64TdTpsPwr, 0x0000 ) );
				CHK_ERROR( Write16(state,EQ_REG_SN_CEGAIN__A,
						   qam64SnCeGain, 0x0000 ));
				CHK_ERROR( Write16(state,EQ_REG_IS_GAIN_MAN__A,
						   qam64IsGainMan, 0x0000 ));
				CHK_ERROR( Write16(state,EQ_REG_IS_GAIN_EXP__A,
						   qam64IsGainExp, 0x0000 ));
			}
			break;
		case QPSK   :
			transmissionParams |= SC_RA_RAM_OP_PARAM_CONST_QPSK;
			if (state->type_A) {
				CHK_ERROR(Write16(state, EQ_REG_OT_CONST__A,
						  0x0000, 0x0000 ) );
				CHK_ERROR(Write16(state, EC_SB_REG_CONST__A,
						  EC_SB_REG_CONST_QPSK,
						  0x0000) );
				CHK_ERROR(Write16(state,
						  EC_SB_REG_SCALE_MSB__A,
						  0x0010, 0x0000 ) );
				CHK_ERROR(Write16(state,
						  EC_SB_REG_SCALE_BIT2__A,
						  0x0000, 0x0000 ) );
				CHK_ERROR(Write16(state,
						  EC_SB_REG_SCALE_LSB__A,
						  0x0000, 0x0000 ) );

				CHK_ERROR(Write16(state,
						  EQ_REG_TD_TPS_PWR_OFS__A,
						  qpskTdTpsPwr, 0x0000 ) );
				CHK_ERROR( Write16(state, EQ_REG_SN_CEGAIN__A,
						   qpskSnCeGain, 0x0000 ));
				CHK_ERROR( Write16(state,
						   EQ_REG_IS_GAIN_MAN__A,
						   qpskIsGainMan, 0x0000 ));
				CHK_ERROR( Write16(state,
						   EQ_REG_IS_GAIN_EXP__A,
						   qpskIsGainExp, 0x0000 ));
			}
			break;

		case QAM_16:
			transmissionParams |= SC_RA_RAM_OP_PARAM_CONST_QAM16;
			if (state->type_A) {
				CHK_ERROR(Write16(state, EQ_REG_OT_CONST__A,
						  0x0001, 0x0000 ) );
				CHK_ERROR(Write16(state, EC_SB_REG_CONST__A,
						  EC_SB_REG_CONST_16QAM,
						  0x0000) );
				CHK_ERROR(Write16(state,
						  EC_SB_REG_SCALE_MSB__A,
						  0x0010, 0x0000 ) );
				CHK_ERROR(Write16(state,
						  EC_SB_REG_SCALE_BIT2__A,
						  0x0004, 0x0000 ) );
				CHK_ERROR(Write16(state,
						  EC_SB_REG_SCALE_LSB__A,
						  0x0000, 0x0000 ) );

				CHK_ERROR(Write16(state,
						  EQ_REG_TD_TPS_PWR_OFS__A,
						  qam16TdTpsPwr, 0x0000 ) );
				CHK_ERROR( Write16(state, EQ_REG_SN_CEGAIN__A,
						   qam16SnCeGain, 0x0000 ));
				CHK_ERROR( Write16(state,
						   EQ_REG_IS_GAIN_MAN__A,
						   qam16IsGainMan, 0x0000 ));
				CHK_ERROR( Write16(state,
						   EQ_REG_IS_GAIN_EXP__A,
						   qam16IsGainExp, 0x0000 ));
			}
			break;

		}
		CHK_ERROR( status );

		switch (DRX_CHANNEL_HIGH) {
		default:
		case DRX_CHANNEL_AUTO:
		case DRX_CHANNEL_LOW:
			transmissionParams |= SC_RA_RAM_OP_PARAM_PRIO_LO;
			CHK_ERROR( Write16(state,  EC_SB_REG_PRIOR__A,
					   EC_SB_REG_PRIOR_LO, 0x0000 ));
			break;
		case DRX_CHANNEL_HIGH:
			transmissionParams |= SC_RA_RAM_OP_PARAM_PRIO_HI;
			CHK_ERROR( Write16(state,  EC_SB_REG_PRIOR__A,
					   EC_SB_REG_PRIOR_HI, 0x0000 ));
			break;

		}

		switch( p->code_rate_HP )
		{
		case FEC_1_2:
			transmissionParams |= SC_RA_RAM_OP_PARAM_RATE_1_2;
			if (state->type_A) {
				CHK_ERROR( Write16(state,
						   EC_VD_REG_SET_CODERATE__A,
						   EC_VD_REG_SET_CODERATE_C1_2,
						   0x0000 ) );
			}
			break;
		default:
			operationMode |= SC_RA_RAM_OP_AUTO_RATE__M;
		case FEC_2_3  :
			transmissionParams |= SC_RA_RAM_OP_PARAM_RATE_2_3;
			if (state->type_A) {
				CHK_ERROR( Write16(state,
						   EC_VD_REG_SET_CODERATE__A,
						   EC_VD_REG_SET_CODERATE_C2_3,
						   0x0000 ) );
			}
			break;
		case FEC_3_4  :
			transmissionParams |= SC_RA_RAM_OP_PARAM_RATE_3_4;
			if (state->type_A) {
			CHK_ERROR( Write16(state,
					   EC_VD_REG_SET_CODERATE__A,
					   EC_VD_REG_SET_CODERATE_C3_4,
					   0x0000 ) );
			}
			break;
		case FEC_5_6  :
			transmissionParams |= SC_RA_RAM_OP_PARAM_RATE_5_6;
			if (state->type_A) {
				CHK_ERROR( Write16(state,
						   EC_VD_REG_SET_CODERATE__A,
						   EC_VD_REG_SET_CODERATE_C5_6,
						   0x0000 ) );
			}
			break;
		case FEC_7_8  :
			transmissionParams |= SC_RA_RAM_OP_PARAM_RATE_7_8;
			if (state->type_A) {
				CHK_ERROR( Write16(state,
						   EC_VD_REG_SET_CODERATE__A,
						   EC_VD_REG_SET_CODERATE_C7_8,
						   0x0000 ) );
			}
			break;
		}
		CHK_ERROR( status );

		/* First determine real bandwidth (Hz) */
		/* Also set delay for impulse noise cruncher (only A2) */
		/* Also set parameters for EC_OC fix, note
		   EC_OC_REG_TMD_HIL_MAR is changed
		   by SC for fix for some 8K,1/8 guard but is restored by
		   InitEC and ResetEC
		   functions */
		switch( p->bandwidth )
		{
		case BANDWIDTH_AUTO:
		case BANDWIDTH_8_MHZ:
			/* (64/7)*(8/8)*1000000 */
			bandwidth = DRXD_BANDWIDTH_8MHZ_IN_HZ;

			bandwidthParam = 0;
			status = Write16(state,
					 FE_AG_REG_IND_DEL__A , 50 , 0x0000 );
			break;
		case BANDWIDTH_7_MHZ:
			/* (64/7)*(7/8)*1000000 */
			bandwidth = DRXD_BANDWIDTH_7MHZ_IN_HZ;
			bandwidthParam =0x4807; /*binary:0100 1000 0000 0111 */
			status = Write16(state,
					 FE_AG_REG_IND_DEL__A , 59 , 0x0000 );
			break;
		case BANDWIDTH_6_MHZ:
			/* (64/7)*(6/8)*1000000 */
			bandwidth = DRXD_BANDWIDTH_6MHZ_IN_HZ;
			bandwidthParam =0x0F07; /*binary: 0000 1111 0000 0111*/
			status = Write16(state,
					 FE_AG_REG_IND_DEL__A , 71 , 0x0000 );
			break;
		}
		CHK_ERROR( status );

		CHK_ERROR( Write16(state,
				   SC_RA_RAM_BAND__A, bandwidthParam, 0x0000));

		{
			u16 sc_config;
			CHK_ERROR(Read16(state,
					 SC_RA_RAM_CONFIG__A, &sc_config, 0));

			/* enable SLAVE mode in 2k 1/32 to
			   prevent timing change glitches */
			if ( (p->transmission_mode==TRANSMISSION_MODE_2K) &&
			     (p->guard_interval==GUARD_INTERVAL_1_32) ) {
				/* enable slave */
				sc_config |= SC_RA_RAM_CONFIG_SLAVE__M;
			} else {
				/* disable slave */
				sc_config &= ~SC_RA_RAM_CONFIG_SLAVE__M;
			}
			CHK_ERROR( Write16(state,
					   SC_RA_RAM_CONFIG__A, sc_config,0 ));
		}

		CHK_ERROR( SetCfgNoiseCalibration(state, &state->noise_cal));

		if (state->cscd_state == CSCD_INIT )
		{
			/* switch on SRMM scan in SC */
			CHK_ERROR( Write16(state,
					   SC_RA_RAM_SAMPLE_RATE_COUNT__A,
					   DRXD_OSCDEV_DO_SCAN, 0x0000 ));
/*            CHK_ERROR( Write16( SC_RA_RAM_SAMPLE_RATE_STEP__A,
	      DRXD_OSCDEV_STEP  , 0x0000 ));*/
			state->cscd_state = CSCD_SET;
		}


		/* Now compute FE_IF_REG_INCR */
		/*((( SysFreq/BandWidth)/2)/2) -1) * 2^23) =>
		  ((SysFreq / BandWidth) * (2^21) ) - (2^23)*/
		feIfIncr = MulDiv32(state->sys_clock_freq*1000,
			    ( 1ULL<< 21 ), bandwidth) - (1<<23) ;
		CHK_ERROR( Write16(state,
				   FE_IF_REG_INCR0__A,
				   (u16)(feIfIncr & FE_IF_REG_INCR0__M ),
				   0x0000) );
		CHK_ERROR( Write16(state,
				   FE_IF_REG_INCR1__A,
				   (u16)((feIfIncr >> FE_IF_REG_INCR0__W) &
					 FE_IF_REG_INCR1__M ), 0x0000) );
		/* Bandwidth setting done */

		/* Mirror & frequency offset */
		SetFrequencyShift(state, off, mirrorFreqSpect);

		/* Start SC, write channel settings to SC */

		/* Enable SC after setting all other parameters */
		CHK_ERROR( Write16(state,  SC_COMM_STATE__A, 0, 0x0000));
		CHK_ERROR( Write16(state,  SC_COMM_EXEC__A, 1, 0x0000));

		/* Write SC parameter registers, operation mode */
#if 1
		operationMode =( SC_RA_RAM_OP_AUTO_MODE__M  |
				  SC_RA_RAM_OP_AUTO_GUARD__M |
				  SC_RA_RAM_OP_AUTO_CONST__M |
				  SC_RA_RAM_OP_AUTO_HIER__M  |
				  SC_RA_RAM_OP_AUTO_RATE__M  );
#endif
		CHK_ERROR( SC_SetPrefParamCommand(state, 0x0000,
						  transmissionParams,
						  operationMode) );

		/* Start correct processes to get in lock */
		CHK_ERROR( SC_ProcStartCommand(state, SC_RA_RAM_PROC_LOCKTRACK,
					       SC_RA_RAM_SW_EVENT_RUN_NMASK__M,
					       SC_RA_RAM_LOCKTRACK_MIN) );

		CHK_ERROR( StartOC(state) );

		if( state->operation_mode != OM_Default ) {
			CHK_ERROR(StartDiversity(state));
		}

		state->drxd_state = DRXD_STARTED;
	} while(0);

	return status;
}

static int CDRXD(struct drxd_state *state, u32 IntermediateFrequency)
{
	u32 ulRfAgcOutputLevel = 0xffffffff;
	u32 ulRfAgcSettleLevel = 528;           /* Optimum value for MT2060 */
	u32 ulRfAgcMinLevel = 0;                    /* Currently unused */
	u32 ulRfAgcMaxLevel = DRXD_FE_CTRL_MAX; /* Currently unused */
	u32 ulRfAgcSpeed = 0;                       /* Currently unused */
	u32 ulRfAgcMode = 0;/*2;   Off */
	u32 ulRfAgcR1 =  820;
	u32 ulRfAgcR2 = 2200;
	u32 ulRfAgcR3 =  150;
	u32 ulIfAgcMode = 0;  /* Auto */
	u32 ulIfAgcOutputLevel = 0xffffffff;
	u32 ulIfAgcSettleLevel = 0xffffffff;
	u32 ulIfAgcMinLevel = 0xffffffff;
	u32 ulIfAgcMaxLevel = 0xffffffff;
	u32 ulIfAgcSpeed = 0xffffffff;
	u32 ulIfAgcR1 =  820;
	u32 ulIfAgcR2 = 2200;
	u32 ulIfAgcR3 =  150;
	u32 ulClock = state->config.clock;
	u32 ulSerialMode = 0;
	u32 ulEcOcRegOcModeLop = 4; /* Dynamic DTO source */
	u32 ulHiI2cDelay = HI_I2C_DELAY;
	u32 ulHiI2cBridgeDelay = HI_I2C_BRIDGE_DELAY;
	u32 ulHiI2cPatch = 0;
	u32 ulEnvironment          = APPENV_PORTABLE;
	u32 ulEnvironmentDiversity = APPENV_MOBILE;
	u32 ulIFFilter = IFFILTER_SAW;

	state->if_agc_cfg.ctrlMode  = AGC_CTRL_AUTO;
	state->if_agc_cfg.outputLevel = 0;
	state->if_agc_cfg.settleLevel = 140;
	state->if_agc_cfg.minOutputLevel = 0;
	state->if_agc_cfg.maxOutputLevel = 1023;
	state->if_agc_cfg.speed = 904;

	if( ulIfAgcMode == 1 && ulIfAgcOutputLevel <= DRXD_FE_CTRL_MAX )
	{
		state->if_agc_cfg.ctrlMode  = AGC_CTRL_USER;
		state->if_agc_cfg.outputLevel = (u16)(ulIfAgcOutputLevel);
	}

	if( ulIfAgcMode == 0 &&
	    ulIfAgcSettleLevel <= DRXD_FE_CTRL_MAX &&
	    ulIfAgcMinLevel <= DRXD_FE_CTRL_MAX &&
	    ulIfAgcMaxLevel <= DRXD_FE_CTRL_MAX &&
	    ulIfAgcSpeed <= DRXD_FE_CTRL_MAX
		)
	{
		state->if_agc_cfg.ctrlMode  = AGC_CTRL_AUTO;
		state->if_agc_cfg.settleLevel = (u16)(ulIfAgcSettleLevel);
		state->if_agc_cfg.minOutputLevel = (u16)(ulIfAgcMinLevel);
		state->if_agc_cfg.maxOutputLevel = (u16)(ulIfAgcMaxLevel);
		state->if_agc_cfg.speed = (u16)(ulIfAgcSpeed);
	}

	state->if_agc_cfg.R1 = (u16)(ulIfAgcR1);
	state->if_agc_cfg.R2 = (u16)(ulIfAgcR2);
	state->if_agc_cfg.R3 = (u16)(ulIfAgcR3);

	state->rf_agc_cfg.R1 = (u16)(ulRfAgcR1);
	state->rf_agc_cfg.R2 = (u16)(ulRfAgcR2);
	state->rf_agc_cfg.R3 = (u16)(ulRfAgcR3);

	state->rf_agc_cfg.ctrlMode  = AGC_CTRL_AUTO;
	/* rest of the RFAgcCfg structure currently unused */
	if (ulRfAgcMode==1 && ulRfAgcOutputLevel<=DRXD_FE_CTRL_MAX) {
		state->rf_agc_cfg.ctrlMode  = AGC_CTRL_USER;
		state->rf_agc_cfg.outputLevel = (u16)(ulRfAgcOutputLevel);
	}

	if( ulRfAgcMode == 0 &&
	    ulRfAgcSettleLevel <= DRXD_FE_CTRL_MAX &&
	    ulRfAgcMinLevel <= DRXD_FE_CTRL_MAX &&
	    ulRfAgcMaxLevel <= DRXD_FE_CTRL_MAX &&
	    ulRfAgcSpeed <= DRXD_FE_CTRL_MAX
		)
	{
		state->rf_agc_cfg.ctrlMode  = AGC_CTRL_AUTO;
		state->rf_agc_cfg.settleLevel = (u16)(ulRfAgcSettleLevel);
		state->rf_agc_cfg.minOutputLevel = (u16)(ulRfAgcMinLevel);
		state->rf_agc_cfg.maxOutputLevel = (u16)(ulRfAgcMaxLevel);
		state->rf_agc_cfg.speed = (u16)(ulRfAgcSpeed);
	}

	if( ulRfAgcMode == 2 )
	{
		state->rf_agc_cfg.ctrlMode  = AGC_CTRL_OFF;
	}

	if (ulEnvironment <= 2)
		state->app_env_default   = (enum app_env)
			(ulEnvironment);
	if (ulEnvironmentDiversity <= 2)
		state->app_env_diversity = (enum app_env)
			(ulEnvironmentDiversity);

	if( ulIFFilter == IFFILTER_DISCRETE )
	{
		/* discrete filter */
		state->noise_cal.cpOpt     = 0;
		state->noise_cal.cpNexpOfs =  40;
		state->noise_cal.tdCal2k   = -40;
		state->noise_cal.tdCal8k   = -24;
	} else {
		/* SAW filter */
		state->noise_cal.cpOpt     = 1;
		state->noise_cal.cpNexpOfs =   0;
		state->noise_cal.tdCal2k   = -21;
		state->noise_cal.tdCal8k   = -24;
	}
	state->m_EcOcRegOcModeLop = (u16)(ulEcOcRegOcModeLop);

	state->chip_adr = (state->config.demod_address<<1)|1;
	switch( ulHiI2cPatch )
	{
	case 1 : state->m_HiI2cPatch = DRXD_HiI2cPatch_1; break;
	case 3 : state->m_HiI2cPatch = DRXD_HiI2cPatch_3; break;
	default:
		state->m_HiI2cPatch = NULL;
	}

	/* modify tuner and clock attributes */
	state->intermediate_freq = (u16)(IntermediateFrequency/1000);
	/* expected system clock frequency in kHz */
	state->expected_sys_clock_freq = 48000;
	/* real system clock frequency in kHz */
	state->sys_clock_freq = 48000;
	state->osc_clock_freq     = (u16) ulClock;
	state->osc_clock_deviation = 0;
	state->cscd_state = CSCD_INIT;
	state->drxd_state = DRXD_UNINITIALIZED;

	state->PGA=0;
	state->type_A=0;
	state->tuner_mirrors=0;

	/* modify MPEG output attributes */
	state->insert_rs_byte = 0;
	state->enable_parallel = (ulSerialMode != 1);

	/* Timing div, 250ns/Psys */
	/* Timing div, = ( delay (nano seconds) * sysclk (kHz) )/ 1000 */

	state->hi_cfg_timing_div = (u16)((state->sys_clock_freq/1000)*
					 ulHiI2cDelay)/1000 ;
	/* Bridge delay, uses oscilator clock */
	/* Delay = ( delay (nano seconds) * oscclk (kHz) )/ 1000 */
	state->hi_cfg_bridge_delay = (u16)((state->osc_clock_freq/1000) *
					   ulHiI2cBridgeDelay)/1000 ;

	state->m_FeAgRegAgPwd = DRXD_DEF_AG_PWD_CONSUMER;
	/* state->m_FeAgRegAgPwd = DRXD_DEF_AG_PWD_PRO; */
	state->m_FeAgRegAgAgcSio = DRXD_DEF_AG_AGC_SIO;
	return 0;
}

int DRXD_init(struct drxd_state *state, const u8 *fw, u32 fw_size)
{
	int status=0;
	u32 driverVersion;

	if (state->init_done)
		return 0;

	CDRXD(state, state->config.IF ? state->config.IF : 36000000);

	do {
		state->operation_mode = OM_Default;

		CHK_ERROR( SetDeviceTypeId(state) );

		/* Apply I2c address patch to B1 */
		if( !state->type_A && state->m_HiI2cPatch != NULL )
			CHK_ERROR(WriteTable(state, state->m_HiI2cPatch));

		if (state->type_A) {
			/* HI firmware patch for UIO readout,
			   avoid clearing of result register */
			CHK_ERROR(Write16(state, 0x43012D, 0x047f, 0));
		}

		CHK_ERROR( HI_ResetCommand(state));

		CHK_ERROR(StopAllProcessors(state));
		CHK_ERROR(InitCC(state));

		state->osc_clock_deviation = 0;

		if (state->config.osc_deviation)
			state->osc_clock_deviation =
				state->config.osc_deviation(state->priv,
							    0, 0);
		{
			/* Handle clock deviation */
			s32 devB;
			s32 devA = (s32)(state->osc_clock_deviation) *
				(s32)(state->expected_sys_clock_freq);
			/* deviation in kHz */
			s32 deviation = ( devA /(1000000L));
			/* rounding, signed */
			if ( devA > 0 )
				devB=(2);
			else
				devB=(-2);
			if ( (devB*(devA%1000000L)>1000000L ) )
			{
				/* add +1 or -1 */
				deviation += (devB/2);
			}

			state->sys_clock_freq=(u16)((state->
						     expected_sys_clock_freq)+
						    deviation);
		}
		CHK_ERROR(InitHI(state));
		CHK_ERROR(InitAtomicRead(state));

		CHK_ERROR(EnableAndResetMB(state));
		if (state->type_A)
			CHK_ERROR(ResetCEFR(state));

		if (fw) {
			CHK_ERROR(DownloadMicrocode(state, fw, fw_size));
		} else {
			CHK_ERROR(DownloadMicrocode(state, state->microcode,
						    state->microcode_length));
		}

		if (state->PGA) {
			state->m_FeAgRegAgPwd = DRXD_DEF_AG_PWD_PRO;
			SetCfgPga(state, 0);  /* PGA = 0 dB */
		} else {
			state->m_FeAgRegAgPwd = DRXD_DEF_AG_PWD_CONSUMER;
		}

		state->m_FeAgRegAgAgcSio = DRXD_DEF_AG_AGC_SIO;

		CHK_ERROR(InitFE(state));
		CHK_ERROR(InitFT(state));
		CHK_ERROR(InitCP(state));
		CHK_ERROR(InitCE(state));
		CHK_ERROR(InitEQ(state));
		CHK_ERROR(InitEC(state));
		CHK_ERROR(InitSC(state));

		CHK_ERROR(SetCfgIfAgc(state, &state->if_agc_cfg));
		CHK_ERROR(SetCfgRfAgc(state, &state->rf_agc_cfg));

		state->cscd_state = CSCD_INIT;
		CHK_ERROR(Write16(state, SC_COMM_EXEC__A,
				  SC_COMM_EXEC_CTL_STOP, 0));
		CHK_ERROR(Write16(state, LC_COMM_EXEC__A,
				  SC_COMM_EXEC_CTL_STOP, 0 ));


		driverVersion  = (((VERSION_MAJOR/10)  << 4) +
				  (VERSION_MAJOR%10)) << 24;
		driverVersion += (((VERSION_MINOR/10)  << 4) +
				  (VERSION_MINOR%10)) << 16;
		driverVersion +=  ((VERSION_PATCH/1000)<<12) +
			((VERSION_PATCH/100)<<8) +
			((VERSION_PATCH/10  )<< 4) +
			(VERSION_PATCH%10 );

		CHK_ERROR(Write32(state, SC_RA_RAM_DRIVER_VERSION__AX,
				  driverVersion,0 ));

		CHK_ERROR( StopOC(state) );

		state->drxd_state = DRXD_STOPPED;
		state->init_done=1;
		status=0;
	} while (0);
	return status;
}

int DRXD_status(struct drxd_state *state, u32 *pLockStatus)
{
	DRX_GetLockStatus(state, pLockStatus);

	/*if (*pLockStatus&DRX_LOCK_MPEG)*/
	if (*pLockStatus&DRX_LOCK_FEC) {
		ConfigureMPEGOutput(state, 1);
		/* Get status again, in case we have MPEG lock now */
		/*DRX_GetLockStatus(state, pLockStatus);*/
	}

	return 0;
}

/****************************************************************************/
/****************************************************************************/
/****************************************************************************/

static int drxd_read_signal_strength(struct dvb_frontend *fe,
					u16 *strength)
{
	struct drxd_state *state = fe->demodulator_priv;
	u32 value;
	int res;

	res=ReadIFAgc(state, &value);
	if (res<0)
		*strength=0;
	else
		*strength=0xffff-(value<<4);
	return 0;
}


static int drxd_read_status(struct dvb_frontend *fe, fe_status_t *status)
{
	struct drxd_state *state = fe->demodulator_priv;
	u32 lock;

	DRXD_status(state, &lock);
	*status=0;
	/* No MPEG lock in V255 firmware, bug ? */
#if 1
	if (lock&DRX_LOCK_MPEG)
		*status|=FE_HAS_LOCK;
#else
	if (lock&DRX_LOCK_FEC)
		*status|=FE_HAS_LOCK;
#endif
	if (lock&DRX_LOCK_FEC)
		*status|=FE_HAS_VITERBI|FE_HAS_SYNC;
	if (lock&DRX_LOCK_DEMOD)
		*status|=FE_HAS_CARRIER|FE_HAS_SIGNAL;

	return 0;
}

static int drxd_init(struct dvb_frontend *fe)
{
	struct drxd_state *state=fe->demodulator_priv;
	int err=0;

/*	if (request_firmware(&state->fw, "drxd.fw", state->dev)<0) */
		return DRXD_init(state, 0, 0);

	err=DRXD_init(state, state->fw->data, state->fw->size);
	release_firmware(state->fw);
	return err;
}

int drxd_config_i2c(struct dvb_frontend *fe, int onoff)
{
	struct drxd_state *state=fe->demodulator_priv;

	return DRX_ConfigureI2CBridge(state, onoff);
}

static int drxd_get_tune_settings(struct dvb_frontend *fe,
				     struct dvb_frontend_tune_settings *sets)
{
	sets->min_delay_ms=10000;
	sets->max_drift=0;
	sets->step_size=0;
	return 0;
}

static int drxd_read_ber(struct dvb_frontend *fe, u32 *ber)
{
	*ber = 0;
	return 0;
}

static int drxd_read_snr(struct dvb_frontend *fe, u16 *snr)
{
	*snr=0;
	return 0;
}

static int drxd_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
{
	*ucblocks=0;
	return 0;
}

static int drxd_sleep(struct dvb_frontend* fe)
{
	struct drxd_state *state=fe->demodulator_priv;

	ConfigureMPEGOutput(state, 0);
	return 0;
}

static int drxd_get_frontend(struct dvb_frontend *fe,
				struct dvb_frontend_parameters *param)
{
	return 0;
}

static int drxd_i2c_gate_ctrl(struct dvb_frontend* fe, int enable)
{
	return drxd_config_i2c(fe, enable);
}

static int drxd_set_frontend(struct dvb_frontend *fe,
				struct dvb_frontend_parameters *param)
{
	struct drxd_state *state=fe->demodulator_priv;
	s32 off=0;

	state->param=*param;
	DRX_Stop(state);

	if (fe->ops.tuner_ops.set_params) {
		fe->ops.tuner_ops.set_params(fe, param);
		if (fe->ops.i2c_gate_ctrl)
			fe->ops.i2c_gate_ctrl(fe, 0);
	}

	/* FIXME: move PLL drivers */
	if (state->config.pll_set &&
	    state->config.pll_set(state->priv, param,
				  state->config.pll_address,
				  state->config.demoda_address,
				  &off)<0) {
		printk("Error in pll_set\n");
		return -1;
	}

	msleep(200);

	return DRX_Start(state, off);
}


static void drxd_release(struct dvb_frontend *fe)
{
	struct drxd_state *state = fe->demodulator_priv;

	kfree(state);
}

static struct dvb_frontend_ops drxd_ops = {

	.info = {
		.name			= "Micronas DRXD DVB-T",
		.type			= FE_OFDM,
		.frequency_min		= 47125000,
		.frequency_max		= 855250000,
		.frequency_stepsize	= 166667,
		.frequency_tolerance	= 0,
		.caps = FE_CAN_FEC_1_2 | FE_CAN_FEC_2_3 |
			FE_CAN_FEC_3_4 | FE_CAN_FEC_5_6 | FE_CAN_FEC_7_8 |
			FE_CAN_FEC_AUTO |
			FE_CAN_QAM_16 | FE_CAN_QAM_64 |
			FE_CAN_QAM_AUTO |
			FE_CAN_TRANSMISSION_MODE_AUTO |
			FE_CAN_GUARD_INTERVAL_AUTO |
			FE_CAN_HIERARCHY_AUTO | FE_CAN_RECOVER |
			FE_CAN_MUTE_TS
	},

	.release = drxd_release,
	.init = drxd_init,
	.sleep = drxd_sleep,
	.i2c_gate_ctrl = drxd_i2c_gate_ctrl,

	.set_frontend = drxd_set_frontend,
	.get_frontend = drxd_get_frontend,
	.get_tune_settings = drxd_get_tune_settings,

	.read_status = drxd_read_status,
	.read_ber = drxd_read_ber,
	.read_signal_strength = drxd_read_signal_strength,
	.read_snr = drxd_read_snr,
	.read_ucblocks = drxd_read_ucblocks,
};

struct dvb_frontend *drxd_attach(const struct drxd_config *config,
				 void *priv, struct i2c_adapter *i2c,
				 struct device *dev)
{
	struct drxd_state *state = NULL;

	state=kmalloc(sizeof(struct drxd_state), GFP_KERNEL);
	if (!state)
		return NULL;
	memset(state, 0, sizeof(*state));

	memcpy(&state->ops, &drxd_ops, sizeof(struct dvb_frontend_ops));
	state->dev=dev;
	state->config=*config;
	state->i2c=i2c;
	state->priv=priv;

	sema_init(&state->mutex, 1);

	if (Read16(state, 0, 0, 0)<0)
		goto error;

#if LINUX_VERSION_CODE < KERNEL_VERSION(2,6,18)
	state->frontend.ops=&state->ops;
#else
	memcpy(&state->frontend.ops, &drxd_ops,
	       sizeof(struct dvb_frontend_ops));
#endif
	state->frontend.demodulator_priv=state;
	ConfigureMPEGOutput(state, 0);
	return &state->frontend;

error:
	printk("drxd: not found\n");
	kfree(state);
	return NULL;
}

MODULE_DESCRIPTION("DRXD driver");
MODULE_AUTHOR("Micronas");
MODULE_LICENSE("GPL");

EXPORT_SYMBOL(drxd_attach);
EXPORT_SYMBOL(drxd_config_i2c);