V4L/DVB (9375): Add STB0899 support

Signed-off-by: Manu Abraham <manu@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>

1 files changed, 1542 insertions, 0 deletions

diff --git a/drivers/media/dvb/frontends/stb0899_algo.c b/drivers/media/dvb/frontends/stb0899_algo.c
new file mode 100644
index 00000000000..0ae96497581
--- /dev/null
+++ b/drivers/media/dvb/frontends/stb0899_algo.c
@@ -0,0 +1,1542 @@
+/*
+	STB0899 Multistandard Frontend driver
+	Copyright (C) Manu Abraham (abraham.manu@gmail.com)
+
+	Copyright (C) ST Microelectronics
+
+	This program is free software; you can redistribute it and/or modify
+	it under the terms of the GNU General Public License as published by
+	the Free Software Foundation; either version 2 of the License, or
+	(at your option) any later version.
+
+	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., 675 Mass Ave, Cambridge, MA 02139, USA.
+*/
+
+#include "stb0899_drv.h"
+#include "stb0899_priv.h"
+#include "stb0899_reg.h"
+
+/*
+ * BinaryFloatDiv
+ * float division with integer
+ */
+static long BinaryFloatDiv(long n1, long n2, int precision)
+{
+	int i = 0;
+	long result = 0;
+
+	while (i <= precision) {
+		if (n1 < n2) {
+			result *= 2;
+			n1 *= 2;
+		} else {
+			result = result * 2 + 1;
+			n1 = (n1 - n2) * 2;
+		}
+		i++;
+	}
+
+	return result;
+}
+
+/*
+ * stb0899_calc_srate
+ * Compute symbol rate
+ */
+static u32 stb0899_calc_srate(u32 master_clk, u8 *sfr)
+{
+	u32 tmp, tmp2, mclk;
+
+	mclk  =  master_clk / 4096L; /* MasterClock * 10 / 2^20	*/
+	tmp  = (((u32) sfr[0] << 12) + ((u32) sfr[1] << 4)) / 16;
+
+	tmp *= mclk;
+	tmp /= 16;
+	tmp2 = ((u32) sfr[2] * mclk) / 256;
+	tmp += tmp2;
+
+	return tmp;
+}
+
+/*
+ * stb0899_get_srate
+ * Get the current symbol rate
+ */
+u32 stb0899_get_srate(struct stb0899_state *state)
+{
+	struct stb0899_internal *internal = &state->internal;
+	u8 sfr[4];
+
+	stb0899_read_regs(state, STB0899_SFRH, sfr, 3);
+
+	return stb0899_calc_srate(internal->master_clk, sfr);
+}
+
+/*
+ * stb0899_set_srate
+ * Set symbol frequency
+ * MasterClock: master clock frequency (hz)
+ * SymbolRate: symbol rate (bauds)
+ * return symbol frequency
+ */
+static u32 stb0899_set_srate(struct stb0899_state *state, u32 master_clk, u32 srate)
+{
+	u32 tmp, tmp_up, srate_up;
+	u8 sfr_up[3], sfr[3];
+
+	srate_up = srate;
+	dprintk(state->verbose, FE_DEBUG, 1, "-->");
+	/*
+	 * in order to have the maximum precision, the symbol rate entered into
+	 * the chip is computed as the closest value of the "true value".
+	 * In this purpose, the symbol rate value is rounded (1 is added on the bit
+	 * below the LSB )
+	 */
+	srate_up += (srate_up * 3) / 100;
+
+	tmp = BinaryFloatDiv(srate, master_clk, 20);
+	tmp_up = BinaryFloatDiv(srate_up, master_clk, 20);
+
+	sfr_up[0] = (tmp_up >> 12) & 0xff;
+	sfr_up[1] = (tmp_up >>  4) & 0xff;
+	sfr_up[2] =  tmp_up & 0x0f;
+
+	sfr[0] = (tmp >> 12) & 0xff;
+	sfr[1] = (tmp >>  4) & 0xff;
+	sfr[2] =  tmp & 0x0f;
+
+	stb0899_write_regs(state, STB0899_SFRUPH, sfr_up, 3);
+	stb0899_write_regs(state, STB0899_SFRH, sfr, 3);
+
+	return srate;
+}
+
+/*
+ * stb0899_calc_loop_time
+ * Compute the amount of time needed by the timing loop to lock
+ * SymbolRate: Symbol rate
+ * return: timing loop time constant (ms)
+ */
+static long stb0899_calc_loop_time(long srate)
+{
+	if (srate > 0)
+		return (100000 / (srate / 1000));
+	else
+		return 0;
+}
+
+/*
+ * stb0899_calc_derot_time
+ * Compute the amount of time needed by the derotator to lock
+ * SymbolRate: Symbol rate
+ * return: derotator time constant (ms)
+ */
+static long stb0899_calc_derot_time(long srate)
+{
+	if (srate > 0)
+		return (100000 / (srate / 1000));
+	else
+		return 0;
+}
+
+/*
+ * stb0899_carr_width
+ * Compute the width of the carrier
+ * return: width of carrier (kHz or Mhz)
+ */
+long stb0899_carr_width(struct stb0899_state *state)
+{
+	struct stb0899_internal *internal = &state->internal;
+
+	return (internal->srate + (internal->srate * internal->rolloff) / 100);
+}
+
+/*
+ * stb0899_first_subrange
+ * Compute the first subrange of the search
+ */
+static void stb0899_first_subrange(struct stb0899_state *state)
+{
+	struct stb0899_internal *internal	= &state->internal;
+	struct stb0899_params *params		= &state->params;
+	struct stb0899_config *config		=  state->config;
+
+	int range = 0;
+	u32 bandwidth = 0;
+
+	if (config->tuner_get_bandwidth) {
+		config->tuner_get_bandwidth(&state->frontend, &bandwidth);
+		range = bandwidth - stb0899_carr_width(state) / 2;
+	}
+
+	if (range > 0)
+		internal->sub_range = MIN(internal->srch_range, range);
+	else
+		internal->sub_range = 0;
+
+	internal->freq = params->freq;
+	internal->tuner_offst = 0L;
+	internal->sub_dir = 1;
+}
+
+/*
+ * stb0899_check_tmg
+ * check for timing lock
+ * internal.Ttiming: time to wait for loop lock
+ */
+static enum stb0899_status stb0899_check_tmg(struct stb0899_state *state)
+{
+	struct stb0899_internal *internal = &state->internal;
+	int lock, timing;
+	u8 reg;
+
+	msleep(internal->t_timing);
+
+	reg = stb0899_read_reg(state, STB0899_RTF);
+	STB0899_SETFIELD_VAL(RTF_TIMING_LOOP_FREQ, reg, 0xf2);
+	stb0899_write_reg(state, STB0899_RTF, reg);
+	reg = stb0899_read_reg(state, STB0899_TLIR);
+	lock = STB0899_GETFIELD(TLIR_TMG_LOCK_IND, reg);
+	timing = stb0899_read_reg(state, STB0899_RTF);
+
+	if (lock >= 42) {
+		if ((lock > 48) && (timing >= 110)) {
+			internal->status = ANALOGCARRIER;
+			dprintk(state->verbose, FE_DEBUG, 1, "-->ANALOG Carrier !");
+		} else {
+			internal->status = TIMINGOK;
+			dprintk(state->verbose, FE_DEBUG, 1, "------->TIMING OK !");
+		}
+	} else {
+		internal->status = NOTIMING;
+		dprintk(state->verbose, FE_DEBUG, 1, "-->NO TIMING !");
+	}
+	return internal->status;
+}
+
+/*
+ * stb0899_search_tmg
+ * perform a fs/2 zig-zag to find timing
+ */
+static enum stb0899_status stb0899_search_tmg(struct stb0899_state *state)
+{
+	struct stb0899_internal *internal = &state->internal;
+	struct stb0899_params *params = &state->params;
+
+	short int derot_step, derot_freq = 0, derot_limit, next_loop = 3;
+	int index = 0;
+	u8 cfr[2];
+
+	internal->status = NOTIMING;
+
+	/* timing loop computation & symbol rate optimisation	*/
+	derot_limit = (internal->sub_range / 2L) / internal->mclk;
+	derot_step = (params->srate / 2L) / internal->mclk;
+
+	while ((stb0899_check_tmg(state) != TIMINGOK) && next_loop) {
+		index++;
+		derot_freq += index * internal->direction * derot_step;	/* next derot zig zag position	*/
+
+		if (ABS(derot_freq) > derot_limit)
+			next_loop--;
+
+		if (next_loop) {
+			STB0899_SETFIELD_VAL(CFRM, cfr[0], MSB(state->config->inversion * derot_freq));
+			STB0899_SETFIELD_VAL(CFRL, cfr[1], LSB(state->config->inversion * derot_freq));
+			stb0899_write_regs(state, STB0899_CFRM, cfr, 2); /* derotator frequency		*/
+		}
+		internal->direction = -internal->direction;	/* Change zigzag direction		*/
+	}
+
+	if (internal->status == TIMINGOK) {
+		stb0899_read_regs(state, STB0899_CFRM, cfr, 2); /* get derotator frequency		*/
+		internal->derot_freq = state->config->inversion * MAKEWORD16(cfr[0], cfr[1]);
+		dprintk(state->verbose, FE_DEBUG, 1, "------->TIMING OK ! Derot Freq = %d", internal->derot_freq);
+	}
+
+	return internal->status;
+}
+
+/*
+ * stb0899_check_carrier
+ * Check for carrier found
+ */
+static enum stb0899_status stb0899_check_carrier(struct stb0899_state *state)
+{
+	struct stb0899_internal *internal = &state->internal;
+	u8 reg;
+
+	msleep(internal->t_derot); /* wait for derotator ok	*/
+
+	reg = stb0899_read_reg(state, STB0899_CFD);
+	STB0899_SETFIELD_VAL(CFD_ON, reg, 1);
+	stb0899_write_reg(state, STB0899_RTF, reg);
+
+	reg = stb0899_read_reg(state, STB0899_DSTATUS);
+	dprintk(state->verbose, FE_DEBUG, 1, "--------------------> STB0899_DSTATUS=[0x%02x]", reg);
+	if (STB0899_GETFIELD(CARRIER_FOUND, reg)) {
+		internal->status = CARRIEROK;
+		dprintk(state->verbose, FE_DEBUG, 1, "-------------> CARRIEROK !");
+	} else {
+		internal->status = NOCARRIER;
+		dprintk(state->verbose, FE_DEBUG, 1, "-------------> NOCARRIER !");
+	}
+
+	return internal->status;
+}
+
+/*
+ * stb0899_search_carrier
+ * Search for a QPSK carrier with the derotator
+ */
+static enum stb0899_status stb0899_search_carrier(struct stb0899_state *state)
+{
+	struct stb0899_internal *internal = &state->internal;
+
+	short int derot_freq = 0, last_derot_freq = 0, derot_limit, next_loop = 3;
+	int index = 0;
+	u8 cfr[2];
+	u8 reg;
+
+	internal->status = NOCARRIER;
+	derot_limit = (internal->sub_range / 2L) / internal->mclk;
+	derot_freq = internal->derot_freq;
+
+	reg = stb0899_read_reg(state, STB0899_CFD);
+	STB0899_SETFIELD_VAL(CFD_ON, reg, 1);
+	stb0899_write_reg(state, STB0899_RTF, reg);
+
+	do {
+		dprintk(state->verbose, FE_DEBUG, 1, "Derot Freq=%d, mclk=%d", derot_freq, internal->mclk);
+		if (stb0899_check_carrier(state) == NOCARRIER) {
+			index++;
+			last_derot_freq = derot_freq;
+			derot_freq += index * internal->direction * internal->derot_step; /* next zig zag derotator position	*/
+
+			if(ABS(derot_freq) > derot_limit)
+				next_loop--;
+
+			if (next_loop) {
+				reg = stb0899_read_reg(state, STB0899_CFD);
+				STB0899_SETFIELD_VAL(CFD_ON, reg, 1);
+				stb0899_write_reg(state, STB0899_RTF, reg);
+
+				STB0899_SETFIELD_VAL(CFRM, cfr[0], MSB(state->config->inversion * derot_freq));
+				STB0899_SETFIELD_VAL(CFRL, cfr[1], LSB(state->config->inversion * derot_freq));
+				stb0899_write_regs(state, STB0899_CFRM, cfr, 2); /* derotator frequency	*/
+			}
+		}
+
+		internal->direction = -internal->direction; /* Change zigzag direction	*/
+	} while ((internal->status != CARRIEROK) && next_loop);
+
+	if (internal->status == CARRIEROK) {
+		stb0899_read_regs(state, STB0899_CFRM, cfr, 2); /* get derotator frequency	*/
+		internal->derot_freq = state->config->inversion * MAKEWORD16(cfr[0], cfr[1]);
+		dprintk(state->verbose, FE_DEBUG, 1, "----> CARRIER OK !, Derot Freq=%d", internal->derot_freq);
+	} else {
+		internal->derot_freq = last_derot_freq;
+	}
+
+	return internal->status;
+}
+
+/*
+ * stb0899_check_data
+ * Check for data found
+ */
+static enum stb0899_status stb0899_check_data(struct stb0899_state *state)
+{
+	struct stb0899_internal *internal = &state->internal;
+	struct stb0899_params *params = &state->params;
+
+	int lock = 0, index = 0, dataTime = 500, loop;
+	u8 reg;
+
+	internal->status = NODATA;
+
+	/* RESET FEC	*/
+	reg = stb0899_read_reg(state, STB0899_TSTRES);
+	STB0899_SETFIELD_VAL(FRESACS, reg, 1);
+	stb0899_write_reg(state, STB0899_TSTRES, reg);
+	msleep(1);
+	reg = stb0899_read_reg(state, STB0899_TSTRES);
+	STB0899_SETFIELD_VAL(FRESACS, reg, 0);
+	stb0899_write_reg(state, STB0899_TSTRES, reg);
+
+	if (params->srate <= 2000000)
+		dataTime = 2000;
+	else if (params->srate <= 5000000)
+		dataTime = 1500;
+	else if (params->srate <= 15000000)
+		dataTime = 1000;
+	else
+		dataTime = 500;
+
+	stb0899_write_reg(state, STB0899_DSTATUS2, 0x00); /* force search loop	*/
+	while (1) {
+		/* WARNING! VIT LOCKED has to be tested before VIT_END_LOOOP	*/
+		reg = stb0899_read_reg(state, STB0899_VSTATUS);
+		lock = STB0899_GETFIELD(VSTATUS_LOCKEDVIT, reg);
+		loop = STB0899_GETFIELD(VSTATUS_END_LOOPVIT, reg);
+
+		if (lock || loop || (index > dataTime))
+			break;
+		index++;
+	}
+
+	if (lock) {	/* DATA LOCK indicator	*/
+		internal->status = DATAOK;
+		dprintk(state->verbose, FE_DEBUG, 1, "-----------------> DATA OK !");
+	}
+
+	return internal->status;
+}
+
+/*
+ * stb0899_search_data
+ * Search for a QPSK carrier with the derotator
+ */
+static enum stb0899_status stb0899_search_data(struct stb0899_state *state)
+{
+	short int derot_freq, derot_step, derot_limit, next_loop = 3;
+	u8 cfr[2];
+	u8 reg;
+	int index = 1;
+
+	struct stb0899_internal *internal = &state->internal;
+	struct stb0899_params *params = &state->params;
+
+	derot_step = (params->srate / 4L) / internal->mclk;
+	derot_limit = (internal->sub_range / 2L) / internal->mclk;
+	derot_freq = internal->derot_freq;
+
+	do {
+		if ((internal->status != CARRIEROK) || (stb0899_check_data(state) != DATAOK)) {
+
+			derot_freq += index * internal->direction * derot_step;	/* next zig zag derotator position	*/
+			if (ABS(derot_freq) > derot_limit)
+				next_loop--;
+
+			if (next_loop) {
+				dprintk(state->verbose, FE_DEBUG, 1, "Derot freq=%d, mclk=%d", derot_freq, internal->mclk);
+				reg = stb0899_read_reg(state, STB0899_CFD);
+				STB0899_SETFIELD_VAL(CFD_ON, reg, 1);
+				stb0899_write_reg(state, STB0899_RTF, reg);
+
+				STB0899_SETFIELD_VAL(CFRM, cfr[0], MSB(state->config->inversion * derot_freq));
+				STB0899_SETFIELD_VAL(CFRL, cfr[1], LSB(state->config->inversion * derot_freq));
+				stb0899_write_regs(state, STB0899_CFRM, cfr, 2); /* derotator frequency	*/
+
+				stb0899_check_carrier(state);
+				index++;
+			}
+		}
+		internal->direction = -internal->direction; /* change zig zag direction		*/
+	} while ((internal->status != DATAOK) && next_loop);
+
+	if (internal->status == DATAOK) {
+		stb0899_read_regs(state, STB0899_CFRM, cfr, 2); /* get derotator frequency	*/
+		internal->derot_freq = state->config->inversion * MAKEWORD16(cfr[0], cfr[1]);
+		dprintk(state->verbose, FE_DEBUG, 1, "------> DATAOK ! Derot Freq=%d", internal->derot_freq);
+	}
+
+	return internal->status;
+}
+
+/*
+ * stb0899_check_range
+ * check if the found frequency is in the correct range
+ */
+static enum stb0899_status stb0899_check_range(struct stb0899_state *state)
+{
+	struct stb0899_internal *internal = &state->internal;
+	struct stb0899_params *params = &state->params;
+
+	int range_offst, tp_freq;
+
+	range_offst = internal->srch_range / 2000;
+	tp_freq = internal->freq + (internal->derot_freq * internal->mclk) / 1000;
+
+	if ((tp_freq >= params->freq - range_offst) && (tp_freq <= params->freq + range_offst)) {
+		internal->status = RANGEOK;
+		dprintk(state->verbose, FE_DEBUG, 1, "----> RANGEOK !");
+	} else {
+		internal->status = OUTOFRANGE;
+		dprintk(state->verbose, FE_DEBUG, 1, "----> OUT OF RANGE !");
+	}
+
+	return internal->status;
+}
+
+/*
+ * NextSubRange
+ * Compute the next subrange of the search
+ */
+static void next_sub_range(struct stb0899_state *state)
+{
+	struct stb0899_internal *internal = &state->internal;
+	struct stb0899_params *params = &state->params;
+
+	long old_sub_range;
+
+	if (internal->sub_dir > 0) {
+		old_sub_range = internal->sub_range;
+		internal->sub_range = MIN((internal->srch_range / 2) -
+					  (internal->tuner_offst + internal->sub_range / 2),
+					   internal->sub_range);
+
+		if (internal->sub_range < 0)
+			internal->sub_range = 0;
+
+		internal->tuner_offst += (old_sub_range + internal->sub_range) / 2;
+	}
+
+	internal->freq = params->freq + (internal->sub_dir * internal->tuner_offst) / 1000;
+	internal->sub_dir = -internal->sub_dir;
+}
+
+/*
+ * stb0899_dvbs_algo
+ * Search for a signal, timing, carrier and data for a
+ * given frequency in a given range
+ */
+enum stb0899_status stb0899_dvbs_algo(struct stb0899_state *state)
+{
+	struct stb0899_params *params		= &state->params;
+	struct stb0899_internal *internal	= &state->internal;
+	struct stb0899_config *config		= state->config;
+
+	u8 bclc, reg;
+	u8 cfr[1];
+	u8 eq_const[10];
+	s32 clnI = 3;
+	u32 bandwidth = 0;
+
+	/* BETA values rated @ 99MHz	*/
+	s32 betaTab[5][4] = {
+	       /*  5   10   20   30MBps */
+		{ 37,  34,  32,  31 }, /* QPSK 1/2	*/
+		{ 37,  35,  33,  31 }, /* QPSK 2/3	*/
+		{ 37,  35,  33,  31 }, /* QPSK 3/4	*/
+		{ 37,  36,  33,	 32 }, /* QPSK 5/6	*/
+		{ 37,  36,  33,	 32 }  /* QPSK 7/8	*/
+	};
+
+	internal->direction = 1;
+
+	stb0899_set_srate(state, internal->master_clk, params->srate);
+	/* Carrier loop optimization versus symbol rate for acquisition*/
+	if (params->srate <= 5000000) {
+		stb0899_write_reg(state, STB0899_ACLC, 0x89);
+		bclc = stb0899_read_reg(state, STB0899_BCLC);
+		STB0899_SETFIELD_VAL(BETA, bclc, 0x1c);
+		stb0899_write_reg(state, STB0899_BCLC, bclc);
+		clnI = 0;
+	} else if (params->srate <= 15000000) {
+		stb0899_write_reg(state, STB0899_ACLC, 0xc9);
+		bclc = stb0899_read_reg(state, STB0899_BCLC);
+		STB0899_SETFIELD_VAL(BETA, bclc, 0x22);
+		stb0899_write_reg(state, STB0899_BCLC, bclc);
+		clnI = 1;
+	} else if(params->srate <= 25000000) {
+		stb0899_write_reg(state, STB0899_ACLC, 0x89);
+		bclc = stb0899_read_reg(state, STB0899_BCLC);
+		STB0899_SETFIELD_VAL(BETA, bclc, 0x27);
+		stb0899_write_reg(state, STB0899_BCLC, bclc);
+		clnI = 2;
+	} else {
+		stb0899_write_reg(state, STB0899_ACLC, 0xc8);
+		bclc = stb0899_read_reg(state, STB0899_BCLC);
+		STB0899_SETFIELD_VAL(BETA, bclc, 0x29);
+		stb0899_write_reg(state, STB0899_BCLC, bclc);
+		clnI = 3;
+	}
+
+	dprintk(state->verbose, FE_DEBUG, 1, "Set the timing loop to acquisition");
+	/* Set the timing loop to acquisition	*/
+	stb0899_write_reg(state, STB0899_RTC, 0x46);
+	stb0899_write_reg(state, STB0899_CFD, 0xee);
+
+	/* !! WARNING !!
+	 * Do not read any status variables while acquisition,
+	 * If any needed, read before the acquisition starts
+	 * querying status while acquiring causes the
+	 * acquisition to go bad and hence no locks.
+	 */
+	dprintk(state->verbose, FE_DEBUG, 1, "Derot Percent=%d Srate=%d mclk=%d",
+		internal->derot_percent, params->srate, internal->mclk);
+
+	/* Initial calculations	*/
+	internal->derot_step = internal->derot_percent * (params->srate / 1000L) / internal->mclk; /* DerotStep/1000 * Fsymbol	*/
+	internal->t_timing = stb0899_calc_loop_time(params->srate);
+	internal->t_derot = stb0899_calc_derot_time(params->srate);
+	internal->t_data = 500;
+
+	dprintk(state->verbose, FE_DEBUG, 1, "RESET stream merger");
+	/* RESET Stream merger	*/
+	reg = stb0899_read_reg(state, STB0899_TSTRES);
+	STB0899_SETFIELD_VAL(FRESRS, reg, 1);
+	stb0899_write_reg(state, STB0899_TSTRES, reg);
+
+	/*
+	 * Set KDIVIDER to an intermediate value between
+	 * 1/2 and 7/8 for acquisition
+	 */
+	reg = stb0899_read_reg(state, STB0899_DEMAPVIT);
+	STB0899_SETFIELD_VAL(DEMAPVIT_KDIVIDER, reg, 60);
+	stb0899_write_reg(state, STB0899_DEMAPVIT, reg);
+
+	stb0899_write_reg(state, STB0899_EQON, 0x01); /* Equalizer OFF while acquiring	*/
+	stb0899_write_reg(state, STB0899_VITSYNC, 0x19);
+
+	stb0899_first_subrange(state);
+	do {
+		/* Initialisations	*/
+		cfr[0] = cfr[1] = 0;
+		stb0899_write_regs(state, STB0899_CFRM, cfr, 2); /* RESET derotator frequency	*/
+
+		reg = stb0899_read_reg(state, STB0899_RTF);
+		STB0899_SETFIELD_VAL(RTF_TIMING_LOOP_FREQ, reg, 0);
+		stb0899_write_reg(state, STB0899_RTF, reg);
+		reg = stb0899_read_reg(state, STB0899_CFD);
+		STB0899_SETFIELD_VAL(CFD_ON, reg, 1);
+		stb0899_write_reg(state, STB0899_RTF, reg);
+
+		internal->derot_freq = 0;
+		internal->status = NOAGC1;
+
+		/* Move tuner to frequency	*/
+		dprintk(state->verbose, FE_DEBUG, 1, "Tuner set frequency");
+		if (state->config->tuner_set_frequency)
+			state->config->tuner_set_frequency(&state->frontend, internal->freq);
+
+		msleep(100);
+
+		if (state->config->tuner_get_frequency)
+			state->config->tuner_get_frequency(&state->frontend, &internal->freq);
+
+		msleep(internal->t_agc1 + internal->t_agc2 + internal->t_timing); /* AGC1, AGC2 and timing loop	*/
+		dprintk(state->verbose, FE_DEBUG, 1, "current derot freq=%d", internal->derot_freq);
+		internal->status = AGC1OK;
+
+		/* There is signal in the band	*/
+		if (config->tuner_get_bandwidth)
+			config->tuner_get_bandwidth(&state->frontend, &bandwidth);
+		if (params->srate <= bandwidth / 2)
+			stb0899_search_tmg(state); /* For low rates (SCPC)	*/
+		else
+			stb0899_check_tmg(state); /* For high rates (MCPC)	*/
+
+		if (internal->status == TIMINGOK) {
+			dprintk(state->verbose, FE_DEBUG, 1,
+				"TIMING OK ! Derot freq=%d, mclk=%d",
+				internal->derot_freq, internal->mclk);
+
+			if (stb0899_search_carrier(state) == CARRIEROK) {	/* Search for carrier	*/
+				dprintk(state->verbose, FE_DEBUG, 1,
+					"CARRIER OK ! Derot freq=%d, mclk=%d",
+					internal->derot_freq, internal->mclk);
+
+				if (stb0899_search_data(state) == DATAOK) {	/* Check for data	*/
+					dprintk(state->verbose, FE_DEBUG, 1,
+						"DATA OK ! Derot freq=%d, mclk=%d",
+						internal->derot_freq, internal->mclk);
+
+					if (stb0899_check_range(state) == RANGEOK) {
+						dprintk(state->verbose, FE_DEBUG, 1,
+							"RANGE OK ! derot freq=%d, mclk=%d",
+							internal->derot_freq, internal->mclk);
+
+						internal->freq = params->freq + ((internal->derot_freq * internal->mclk) / 1000);
+						reg = stb0899_read_reg(state, STB0899_PLPARM);
+						internal->fecrate = STB0899_GETFIELD(VITCURPUN, reg);
+						dprintk(state->verbose, FE_DEBUG, 1,
+							"freq=%d, internal resultant freq=%d",
+							params->freq, internal->freq);
+
+						dprintk(state->verbose, FE_DEBUG, 1,
+							"internal puncture rate=%d",
+							internal->fecrate);
+					}
+				}
+			}
+		}
+		if (internal->status != RANGEOK)
+			next_sub_range(state);
+
+	} while (internal->sub_range && internal->status != RANGEOK);
+
+	/* Set the timing loop to tracking	*/
+	stb0899_write_reg(state, STB0899_RTC, 0x33);
+	stb0899_write_reg(state, STB0899_CFD, 0xf7);
+	reg = 0;
+	/* if locked and range ok, set Kdiv	*/
+	if (internal->status == RANGEOK) {
+		dprintk(state->verbose, FE_DEBUG, 1, "Locked & Range OK !");
+		stb0899_write_reg(state, STB0899_EQON, 0x41);		/* Equalizer OFF while acquiring	*/
+		stb0899_write_reg(state, STB0899_VITSYNC, 0x39);	/* SN to b'11 for acquisition		*/
+
+		/*
+		 * Carrier loop optimization versus
+		 * symbol Rate/Puncture Rate for Tracking
+		 */
+		switch (internal->fecrate) {
+		case STB0899_FEC_1_2:		/* 13	*/
+			STB0899_SETFIELD_VAL(DEMAPVIT_KDIVIDER, reg, 0x1a);
+			stb0899_write_reg(state, STB0899_DEMAPVIT, reg);
+			STB0899_SETFIELD_VAL(BETA, reg, betaTab[0][clnI]);
+			stb0899_write_reg(state, STB0899_BCLC, reg);
+			break;
+		case STB0899_FEC_2_3:		/* 18	*/
+			STB0899_SETFIELD_VAL(DEMAPVIT_KDIVIDER, reg, 44);
+			stb0899_write_reg(state, STB0899_DEMAPVIT, reg);
+			STB0899_SETFIELD_VAL(BETA, reg, betaTab[1][clnI]);
+			stb0899_write_reg(state, STB0899_BCLC, reg);
+			break;
+		case STB0899_FEC_3_4:		/* 21	*/
+			STB0899_SETFIELD_VAL(DEMAPVIT_KDIVIDER, reg, 60);
+			stb0899_write_reg(state, STB0899_DEMAPVIT, reg);
+			STB0899_SETFIELD_VAL(BETA, reg, betaTab[2][clnI]);
+			stb0899_write_reg(state, STB0899_BCLC, reg);
+			break;
+		case STB0899_FEC_5_6:		/* 24	*/
+			STB0899_SETFIELD_VAL(DEMAPVIT_KDIVIDER, reg, 75);
+			stb0899_write_reg(state, STB0899_DEMAPVIT, reg);
+			STB0899_SETFIELD_VAL(BETA, reg, betaTab[3][clnI]);
+			stb0899_write_reg(state, STB0899_BCLC, reg);
+			break;
+		case STB0899_FEC_6_7:		/* 25	*/
+			STB0899_SETFIELD_VAL(DEMAPVIT_KDIVIDER, reg, 88);
+			stb0899_write_reg(state, STB0899_DEMAPVIT, reg);
+			stb0899_write_reg(state, STB0899_ACLC, 0x88);
+			stb0899_write_reg(state, STB0899_BCLC, 0x9a);
+			break;
+		case STB0899_FEC_7_8:		/* 26	*/
+			STB0899_SETFIELD_VAL(DEMAPVIT_KDIVIDER, reg, 94);
+			stb0899_write_reg(state, STB0899_DEMAPVIT, reg);
+			STB0899_SETFIELD_VAL(BETA, reg, betaTab[4][clnI]);
+			stb0899_write_reg(state, STB0899_BCLC, reg);
+			break;
+		default:
+			dprintk(state->verbose, FE_DEBUG, 1, "Unsupported Puncture Rate");
+			break;
+		}
+		/* release stream merger RESET	*/
+		reg = stb0899_read_reg(state, STB0899_TSTRES);
+		STB0899_SETFIELD_VAL(FRESRS, reg, 0);
+		stb0899_write_reg(state, STB0899_TSTRES, reg);
+
+		/* disable carrier detector	*/
+		reg = stb0899_read_reg(state, STB0899_CFD);
+		STB0899_SETFIELD_VAL(CFD_ON, reg, 0);
+		stb0899_write_reg(state, STB0899_RTF, reg);
+
+		stb0899_read_regs(state, STB0899_EQUAI1, eq_const, 10);
+	}
+
+	return internal->status;
+}
+
+/*
+ * stb0899_dvbs2_config_uwp
+ * Configure UWP state machine
+ */
+static void stb0899_dvbs2_config_uwp(struct stb0899_state *state)
+{
+	struct stb0899_internal *internal = &state->internal;
+	struct stb0899_config *config = state->config;
+	u32 uwp1, uwp2, uwp3, reg;
+
+	uwp1 = STB0899_READ_S2REG(STB0899_S2DEMOD, UWP_CNTRL1);
+	uwp2 = STB0899_READ_S2REG(STB0899_S2DEMOD, UWP_CNTRL2);
+	uwp3 = STB0899_READ_S2REG(STB0899_S2DEMOD, UWP_CNTRL3);
+
+	STB0899_SETFIELD_VAL(UWP_ESN0_AVE, uwp1, config->esno_ave);
+	STB0899_SETFIELD_VAL(UWP_ESN0_QUANT, uwp1, config->esno_quant);
+	STB0899_SETFIELD_VAL(UWP_TH_SOF, uwp1, config->uwp_threshold_sof);
+
+	STB0899_SETFIELD_VAL(FE_COARSE_TRK, uwp2, internal->av_frame_coarse);
+	STB0899_SETFIELD_VAL(FE_FINE_TRK, uwp2, internal->av_frame_fine);
+	STB0899_SETFIELD_VAL(UWP_MISS_TH, uwp2, config->miss_threshold);
+
+	STB0899_SETFIELD_VAL(UWP_TH_ACQ, uwp3, config->uwp_threshold_acq);
+	STB0899_SETFIELD_VAL(UWP_TH_TRACK, uwp3, config->uwp_threshold_track);
+
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_UWP_CNTRL1, STB0899_OFF0_UWP_CNTRL1, uwp1);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_UWP_CNTRL2, STB0899_OFF0_UWP_CNTRL2, uwp2);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_UWP_CNTRL3, STB0899_OFF0_UWP_CNTRL3, uwp3);
+
+	reg = STB0899_READ_S2REG(STB0899_S2DEMOD, SOF_SRCH_TO);
+	STB0899_SETFIELD_VAL(SOF_SEARCH_TIMEOUT, reg, config->sof_search_timeout);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_SOF_SRCH_TO, STB0899_OFF0_SOF_SRCH_TO, reg);
+}
+
+/*
+ * stb0899_dvbs2_config_csm_auto
+ * Set CSM to AUTO mode
+ */
+static void stb0899_dvbs2_config_csm_auto(struct stb0899_state *state)
+{
+	u32 reg;
+
+	reg = STB0899_READ_S2REG(STB0899_S2DEMOD, CSM_CNTRL1);
+	STB0899_SETFIELD_VAL(CSM_AUTO_PARAM, reg, 1);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_CSM_CNTRL1, STB0899_OFF0_CSM_CNTRL1, reg);
+}
+
+long Log2Int(int number)
+{
+	int i;
+
+	i = 0;
+	while ((1 << i) <= ABS(number))
+		i++;
+
+	if (number == 0)
+		i = 1;
+
+	return i - 1;
+}
+
+/*
+ * stb0899_dvbs2_calc_srate
+ * compute BTR_NOM_FREQ for the symbol rate
+ */
+static u32 stb0899_dvbs2_calc_srate(struct stb0899_state *state)
+{
+	struct stb0899_internal *internal	= &state->internal;
+	struct stb0899_config *config		= state->config;
+
+	u32 dec_ratio, dec_rate, decim, remain, intval, btr_nom_freq;
+	u32 master_clk, srate;
+
+	dec_ratio = (internal->master_clk * 2) / (5 * internal->srate);
+	dec_ratio = (dec_ratio == 0) ? 1 : dec_ratio;
+	dec_rate = Log2Int(dec_ratio);
+	decim = 1 << dec_rate;
+	master_clk = internal->master_clk / 1000;
+	srate = internal->srate / 1000;
+
+	if (decim <= 4) {
+		intval = (decim * (1 << (config->btr_nco_bits - 1))) / master_clk;
+		remain = (decim * (1 << (config->btr_nco_bits - 1))) % master_clk;
+	} else {
+		intval = (1 << (config->btr_nco_bits - 1)) / (master_clk / 100) * decim / 100;
+		remain = (decim * (1 << (config->btr_nco_bits - 1))) % master_clk;
+	}
+	btr_nom_freq = (intval * srate) + ((remain * srate) / master_clk);
+
+	return btr_nom_freq;
+}
+
+/*
+ * stb0899_dvbs2_calc_dev
+ * compute the correction to be applied to symbol rate
+ */
+static u32 stb0899_dvbs2_calc_dev(struct stb0899_state *state)
+{
+	struct stb0899_internal *internal = &state->internal;
+	u32 dec_ratio, correction, master_clk, srate;
+
+	dec_ratio = (internal->master_clk * 2) / (5 * internal->srate);
+	dec_ratio = (dec_ratio == 0) ? 1 : dec_ratio;
+
+	master_clk = internal->master_clk / 1000;	/* for integer Caculation*/
+	srate = internal->srate / 1000;	/* for integer Caculation*/
+	correction = (512 * master_clk) / (2 * dec_ratio * srate);
+
+	return	correction;
+}
+
+/*
+ * stb0899_dvbs2_set_srate
+ * Set DVBS2 symbol rate
+ */
+static void stb0899_dvbs2_set_srate(struct stb0899_state *state)
+{
+	struct stb0899_internal *internal = &state->internal;
+
+	u32 dec_ratio, dec_rate, win_sel, decim, f_sym, btr_nom_freq;
+	u32 correction, freq_adj, band_lim, decim_cntrl, reg;
+	u8 anti_alias;
+
+	/*set decimation to 1*/
+	dec_ratio = (internal->master_clk * 2) / (5 * internal->srate);
+	dec_ratio = (dec_ratio == 0) ? 1 : dec_ratio;
+	dec_rate = Log2Int(dec_ratio);
+
+	win_sel = 0;
+	if (dec_rate >= 5)
+		win_sel = dec_rate - 4;
+
+	decim = (1 << dec_rate);
+	/* (FSamp/Fsymbol *100) for integer Caculation */
+	f_sym = internal->master_clk / ((decim * internal->srate) / 1000);
+
+	if (f_sym <= 2250)	/* don't band limit signal going into btr block*/
+		band_lim = 1;
+	else
+		band_lim = 0;	/* band limit signal going into btr block*/
+
+	decim_cntrl = ((win_sel << 3) & 0x18) + ((band_lim << 5) & 0x20) + (dec_rate & 0x7);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_DECIM_CNTRL, STB0899_OFF0_DECIM_CNTRL, decim_cntrl);
+
+	if (f_sym <= 3450)
+		anti_alias = 0;
+	else if (f_sym <= 4250)
+		anti_alias = 1;
+	else
+		anti_alias = 2;
+
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_ANTI_ALIAS_SEL, STB0899_OFF0_ANTI_ALIAS_SEL, anti_alias);
+	btr_nom_freq = stb0899_dvbs2_calc_srate(state);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_BTR_NOM_FREQ, STB0899_OFF0_BTR_NOM_FREQ, btr_nom_freq);
+
+	correction = stb0899_dvbs2_calc_dev(state);
+	reg = STB0899_READ_S2REG(STB0899_S2DEMOD, BTR_CNTRL);
+	STB0899_SETFIELD_VAL(BTR_FREQ_CORR, reg, correction);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_BTR_CNTRL, STB0899_OFF0_BTR_CNTRL, reg);
+
+	/* scale UWP+CSM frequency to sample rate*/
+	freq_adj =  internal->srate / (internal->master_clk / 4096);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_FREQ_ADJ_SCALE, STB0899_OFF0_FREQ_ADJ_SCALE, freq_adj);
+}
+
+/*
+ * stb0899_dvbs2_set_btr_loopbw
+ * set bit timing loop bandwidth as a percentage of the symbol rate
+ */
+static void stb0899_dvbs2_set_btr_loopbw(struct stb0899_state *state)
+{
+	struct stb0899_internal *internal	= &state->internal;
+	struct stb0899_config *config		= state->config;
+
+	u32 sym_peak = 23, zeta = 707, loopbw_percent = 60;
+	s32 dec_ratio, dec_rate, k_btr1_rshft, k_btr1, k_btr0_rshft;
+	s32 k_btr0, k_btr2_rshft, k_direct_shift, k_indirect_shift;
+	u32 decim, K, wn, k_direct, k_indirect;
+	u32 reg;
+
+	dec_ratio = (internal->master_clk * 2) / (5 * internal->srate);
+	dec_ratio = (dec_ratio == 0) ? 1 : dec_ratio;
+	dec_rate = Log2Int(dec_ratio);
+	decim = (1 << dec_rate);
+
+	sym_peak *= 576000;
+	K = (1 << config->btr_nco_bits) / (internal->master_clk / 1000);
+	K *= (internal->srate / 1000000) * decim; /*k=k 10^-8*/
+	K = sym_peak / K;
+
+	if (K != 0) {
+		wn = (4 * zeta * zeta) + 1000000;
+		wn = (2 * (loopbw_percent * 1000) * 40 * zeta) /wn;  /*wn =wn 10^-8*/
+
+		k_indirect = (wn * wn) / K;
+		k_indirect = k_indirect;	  /*kindirect = kindirect 10^-6*/
+		k_direct   = (2 * wn * zeta) / K;	/*kDirect = kDirect 10^-2*/
+		k_direct  *= 100;
+
+		k_direct_shift = Log2Int(k_direct) - Log2Int(10000) - 2;
+		k_btr1_rshft = (-1 * k_direct_shift) + config->btr_gain_shift_offset;
+		k_btr1 = k_direct / (1 << k_direct_shift);
+		k_btr1 /= 10000;
+
+		k_indirect_shift = Log2Int(k_indirect + 15) - 20 /*- 2*/;
+		k_btr0_rshft = (-1 * k_indirect_shift) + config->btr_gain_shift_offset;
+		k_btr0 = k_indirect * (1 << (-k_indirect_shift));
+		k_btr0 /= 1000000;
+
+		k_btr2_rshft = 0;
+		if (k_btr0_rshft > 15) {
+			k_btr2_rshft = k_btr0_rshft - 15;
+			k_btr0_rshft = 15;
+		}
+		reg = STB0899_READ_S2REG(STB0899_S2DEMOD, BTR_LOOP_GAIN);
+		STB0899_SETFIELD_VAL(KBTR0_RSHFT, reg, k_btr0_rshft);
+		STB0899_SETFIELD_VAL(KBTR0, reg, k_btr0);
+		STB0899_SETFIELD_VAL(KBTR1_RSHFT, reg, k_btr1_rshft);
+		STB0899_SETFIELD_VAL(KBTR1, reg, k_btr1);
+		STB0899_SETFIELD_VAL(KBTR2_RSHFT, reg, k_btr2_rshft);
+		stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_BTR_LOOP_GAIN, STB0899_OFF0_BTR_LOOP_GAIN, reg);
+	} else
+		stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_BTR_LOOP_GAIN, STB0899_OFF0_BTR_LOOP_GAIN, 0xc4c4f);
+}
+
+/*
+ * stb0899_dvbs2_set_carr_freq
+ * set nominal frequency for carrier search
+ */
+static void stb0899_dvbs2_set_carr_freq(struct stb0899_state *state, s32 carr_freq, u32 master_clk)
+{
+	struct stb0899_config *config = state->config;
+	s32 crl_nom_freq;
+	u32 reg;
+
+	crl_nom_freq = (1 << config->crl_nco_bits) / master_clk;
+	crl_nom_freq *= carr_freq;
+	reg = STB0899_READ_S2REG(STB0899_S2DEMOD, CRL_NOM_FREQ);
+	STB0899_SETFIELD_VAL(CRL_NOM_FREQ, reg, crl_nom_freq);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_CRL_NOM_FREQ, STB0899_OFF0_CRL_NOM_FREQ, reg);
+}
+
+/*
+ * stb0899_dvbs2_init_calc
+ * Initialize DVBS2 UWP, CSM, carrier and timing loops
+ */
+static void stb0899_dvbs2_init_calc(struct stb0899_state *state)
+{
+	struct stb0899_internal *internal = &state->internal;
+	s32 steps, step_size;
+	u32 range, reg;
+
+	/* config uwp and csm */
+	stb0899_dvbs2_config_uwp(state);
+	stb0899_dvbs2_config_csm_auto(state);
+
+	/* initialize BTR	*/
+	stb0899_dvbs2_set_srate(state);
+	stb0899_dvbs2_set_btr_loopbw(state);
+
+	if (internal->srate / 1000000 >= 15)
+		step_size = (1 << 17) / 5;
+	else if (internal->srate / 1000000 >= 10)
+		step_size = (1 << 17) / 7;
+	else if (internal->srate / 1000000 >= 5)
+		step_size = (1 << 17) / 10;
+	else
+		step_size = (1 << 17) / 4;
+
+	range = internal->srch_range / 1000000;
+	steps = (10 * range * (1 << 17)) / (step_size * (internal->srate / 1000000));
+	steps = (steps + 6) / 10;
+	steps = (steps == 0) ? 1 : steps;
+	if (steps % 2 == 0)
+		stb0899_dvbs2_set_carr_freq(state, internal->center_freq -
+					   (internal->step_size * (internal->srate / 20000000)),
+					   (internal->master_clk) / 1000000);
+	else
+		stb0899_dvbs2_set_carr_freq(state, internal->center_freq, (internal->master_clk) / 1000000);
+
+	/*Set Carrier Search params (zigzag, num steps and freq step size*/
+	reg = STB0899_READ_S2REG(STB0899_S2DEMOD, ACQ_CNTRL2);
+	STB0899_SETFIELD_VAL(ZIGZAG, reg, 1);
+	STB0899_SETFIELD_VAL(NUM_STEPS, reg, steps);
+	STB0899_SETFIELD_VAL(FREQ_STEPSIZE, reg, step_size);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_ACQ_CNTRL2, STB0899_OFF0_ACQ_CNTRL2, reg);
+}
+
+/*
+ * stb0899_dvbs2_btr_init
+ * initialize the timing loop
+ */
+static void stb0899_dvbs2_btr_init(struct stb0899_state *state)
+{
+	u32 reg;
+
+	/* set enable BTR loopback	*/
+	reg = STB0899_READ_S2REG(STB0899_S2DEMOD, BTR_CNTRL);
+	STB0899_SETFIELD_VAL(INTRP_PHS_SENSE, reg, 1);
+	STB0899_SETFIELD_VAL(BTR_ERR_ENA, reg, 1);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_BTR_CNTRL, STB0899_OFF0_BTR_CNTRL, reg);
+
+	/* fix btr freq accum at 0	*/
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_BTR_FREQ_INIT, STB0899_OFF0_BTR_FREQ_INIT, 0x10000000);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_BTR_FREQ_INIT, STB0899_OFF0_BTR_FREQ_INIT, 0x00000000);
+
+	/* fix btr freq accum at 0	*/
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_BTR_PHS_INIT, STB0899_OFF0_BTR_PHS_INIT, 0x10000000);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_BTR_PHS_INIT, STB0899_OFF0_BTR_PHS_INIT, 0x00000000);
+}
+
+/*
+ * stb0899_dvbs2_reacquire
+ * trigger a DVB-S2 acquisition
+ */
+static void stb0899_dvbs2_reacquire(struct stb0899_state *state)
+{
+	u32 reg = 0;
+
+	/* demod soft reset	*/
+	STB0899_SETFIELD_VAL(DVBS2_RESET, reg, 1);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_RESET_CNTRL, STB0899_OFF0_RESET_CNTRL, reg);
+
+	/*Reset Timing Loop	*/
+	stb0899_dvbs2_btr_init(state);
+
+	/* reset Carrier loop	*/
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_CRL_FREQ_INIT, STB0899_OFF0_CRL_FREQ_INIT, (1 << 30));
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_CRL_FREQ_INIT, STB0899_OFF0_CRL_FREQ_INIT, 0);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_CRL_LOOP_GAIN, STB0899_OFF0_CRL_LOOP_GAIN, 0);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_CRL_PHS_INIT, STB0899_OFF0_CRL_PHS_INIT, (1 << 30));
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_CRL_PHS_INIT, STB0899_OFF0_CRL_PHS_INIT, 0);
+
+	/*release demod soft reset	*/
+	reg = 0;
+	STB0899_SETFIELD_VAL(DVBS2_RESET, reg, 0);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_RESET_CNTRL, STB0899_OFF0_RESET_CNTRL, reg);
+
+	/* start acquisition process	*/
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_ACQUIRE_TRIG, STB0899_OFF0_ACQUIRE_TRIG, 1);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_LOCK_LOST, STB0899_OFF0_LOCK_LOST, 0);
+
+	/* equalizer Init	*/
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_EQUALIZER_INIT, STB0899_OFF0_EQUALIZER_INIT, 1);
+
+	/*Start equilizer	*/
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_EQUALIZER_INIT, STB0899_OFF0_EQUALIZER_INIT, 0);
+
+	reg = STB0899_READ_S2REG(STB0899_S2DEMOD, EQ_CNTRL);
+	STB0899_SETFIELD_VAL(EQ_SHIFT, reg, 0);
+	STB0899_SETFIELD_VAL(EQ_DISABLE_UPDATE, reg, 0);
+	STB0899_SETFIELD_VAL(EQ_DELAY, reg, 0x05);
+	STB0899_SETFIELD_VAL(EQ_ADAPT_MODE, reg, 0x01);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_EQ_CNTRL, STB0899_OFF0_EQ_CNTRL, reg);
+
+	/* RESET Packet delineator	*/
+	stb0899_write_reg(state, STB0899_PDELCTRL, 0x4a);
+}
+
+/*
+ * stb0899_dvbs2_get_dmd_status
+ * get DVB-S2 Demod LOCK status
+ */
+static enum stb0899_status stb0899_dvbs2_get_dmd_status(struct stb0899_state *state, int timeout)
+{
+	int time = -10, lock = 0, uwp, csm;
+	u32 reg;
+
+	do {
+		reg = STB0899_READ_S2REG(STB0899_S2DEMOD, DMD_STATUS);
+		dprintk(state->verbose, FE_DEBUG, 1, "DMD_STATUS=[0x%02x]", reg);
+		if (STB0899_GETFIELD(IF_AGC_LOCK, reg))
+			dprintk(state->verbose, FE_DEBUG, 1, "------------->IF AGC LOCKED !");
+		reg = STB0899_READ_S2REG(STB0899_S2DEMOD, DMD_STAT2);
+		dprintk(state->verbose, FE_DEBUG, 1, "----------->DMD STAT2=[0x%02x]", reg);
+		uwp = STB0899_GETFIELD(UWP_LOCK, reg);
+		csm = STB0899_GETFIELD(CSM_LOCK, reg);
+		if (uwp && csm)
+			lock = 1;
+
+		time += 10;
+		msleep(10);
+
+	} while ((!lock) && (time <= timeout));
+
+	if (lock) {
+		dprintk(state->verbose, FE_DEBUG, 1, "----------------> DVB-S2 LOCK !");
+		return DVBS2_DEMOD_LOCK;
+	} else {
+		return DVBS2_DEMOD_NOLOCK;
+	}
+}
+
+/*
+ * stb0899_dvbs2_get_data_lock
+ * get FEC status
+ */
+static int stb0899_dvbs2_get_data_lock(struct stb0899_state *state, int timeout)
+{
+	int time = 0, lock = 0;
+	u8 reg;
+
+	while ((!lock) && (time < timeout)) {
+		reg = stb0899_read_reg(state, STB0899_CFGPDELSTATUS1);
+		dprintk(state->verbose, FE_DEBUG, 1, "---------> CFGPDELSTATUS=[0x%02x]", reg);
+		lock = STB0899_GETFIELD(CFGPDELSTATUS_LOCK, reg);
+		time++;
+	}
+
+	return lock;
+}
+
+/*
+ * stb0899_dvbs2_get_fec_status
+ * get DVB-S2 FEC LOCK status
+ */
+static enum stb0899_status stb0899_dvbs2_get_fec_status(struct stb0899_state *state, int timeout)
+{
+	int time = 0, Locked;
+
+	do {
+		Locked = stb0899_dvbs2_get_data_lock(state, 1);
+		time++;
+		msleep(1);
+
+	} while ((!Locked) && (time < timeout));
+
+	if (Locked) {
+		dprintk(state->verbose, FE_DEBUG, 1, "---------->DVB-S2 FEC LOCK !");
+		return DVBS2_FEC_LOCK;
+	} else {
+		return DVBS2_FEC_NOLOCK;
+	}
+}
+
+
+/*
+ * stb0899_dvbs2_init_csm
+ * set parameters for manual mode
+ */
+static void stb0899_dvbs2_init_csm(struct stb0899_state *state, int pilots, enum stb0899_modcod modcod)
+{
+	struct stb0899_internal *internal = &state->internal;
+
+	s32 dvt_tbl = 1, two_pass = 0, agc_gain = 6, agc_shift = 0, loop_shift = 0, phs_diff_thr = 0x80;
+	s32 gamma_acq, gamma_rho_acq, gamma_trk, gamma_rho_trk, lock_count_thr;
+	u32 csm1, csm2, csm3, csm4;
+
+	if (((internal->master_clk / internal->srate) <= 4) && (modcod <= 11) && (pilots == 1)) {
+		switch (modcod) {
+		case STB0899_QPSK_12:
+			gamma_acq		= 25;
+			gamma_rho_acq		= 2700;
+			gamma_trk		= 12;
+			gamma_rho_trk		= 180;
+			lock_count_thr		= 8;
+			break;
+		case STB0899_QPSK_35:
+			gamma_acq		= 38;
+			gamma_rho_acq		= 7182;
+			gamma_trk		= 14;
+			gamma_rho_trk		= 308;
+			lock_count_thr		= 8;
+			break;
+		case STB0899_QPSK_23:
+			gamma_acq		= 42;
+			gamma_rho_acq		= 9408;
+			gamma_trk		= 17;
+			gamma_rho_trk		= 476;
+			lock_count_thr		= 8;
+			break;
+		case STB0899_QPSK_34:
+			gamma_acq		= 53;
+			gamma_rho_acq		= 16642;
+			gamma_trk		= 19;
+			gamma_rho_trk		= 646;
+			lock_count_thr		= 8;
+			break;
+		case STB0899_QPSK_45:
+			gamma_acq		= 53;
+			gamma_rho_acq		= 17119;
+			gamma_trk		= 22;
+			gamma_rho_trk		= 880;
+			lock_count_thr		= 8;
+			break;
+		case STB0899_QPSK_56:
+			gamma_acq		= 55;
+			gamma_rho_acq		= 19250;
+			gamma_trk		= 23;
+			gamma_rho_trk		= 989;
+			lock_count_thr		= 8;
+			break;
+		case STB0899_QPSK_89:
+			gamma_acq		= 60;
+			gamma_rho_acq		= 24240;
+			gamma_trk		= 24;
+			gamma_rho_trk		= 1176;
+			lock_count_thr		= 8;
+			break;
+		case STB0899_QPSK_910:
+			gamma_acq		= 66;
+			gamma_rho_acq		= 29634;
+			gamma_trk		= 24;
+			gamma_rho_trk		= 1176;
+			lock_count_thr		= 8;
+			break;
+		default:
+			gamma_acq		= 66;
+			gamma_rho_acq		= 29634;
+			gamma_trk		= 24;
+			gamma_rho_trk		= 1176;
+			lock_count_thr		= 8;
+			break;
+		}
+
+		csm1 = STB0899_READ_S2REG(STB0899_S2DEMOD, CSM_CNTRL1);
+		STB0899_SETFIELD_VAL(CSM_AUTO_PARAM, csm1, 0);
+		stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_CSM_CNTRL1, STB0899_OFF0_CSM_CNTRL1, csm1);
+
+		csm1 = STB0899_READ_S2REG(STB0899_S2DEMOD, CSM_CNTRL1);
+		csm2 = STB0899_READ_S2REG(STB0899_S2DEMOD, CSM_CNTRL2);
+		csm3 = STB0899_READ_S2REG(STB0899_S2DEMOD, CSM_CNTRL3);
+		csm4 = STB0899_READ_S2REG(STB0899_S2DEMOD, CSM_CNTRL4);
+
+		STB0899_SETFIELD_VAL(CSM_DVT_TABLE, csm1, dvt_tbl);
+		STB0899_SETFIELD_VAL(CSM_TWO_PASS, csm1, two_pass);
+		STB0899_SETFIELD_VAL(CSM_AGC_GAIN, csm1, agc_gain);
+		STB0899_SETFIELD_VAL(CSM_AGC_SHIFT, csm1, agc_shift);
+		STB0899_SETFIELD_VAL(FE_LOOP_SHIFT, csm1, loop_shift);
+		STB0899_SETFIELD_VAL(CSM_GAMMA_ACQ, csm2, gamma_acq);
+		STB0899_SETFIELD_VAL(CSM_GAMMA_RHOACQ, csm2, gamma_rho_acq);
+		STB0899_SETFIELD_VAL(CSM_GAMMA_TRACK, csm3, gamma_trk);
+		STB0899_SETFIELD_VAL(CSM_GAMMA_RHOTRACK, csm3, gamma_rho_trk);
+		STB0899_SETFIELD_VAL(CSM_LOCKCOUNT_THRESH, csm4, lock_count_thr);
+		STB0899_SETFIELD_VAL(CSM_PHASEDIFF_THRESH, csm4, phs_diff_thr);
+
+		stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_CSM_CNTRL1, STB0899_OFF0_CSM_CNTRL1, csm1);
+		stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_CSM_CNTRL2, STB0899_OFF0_CSM_CNTRL2, csm2);
+		stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_CSM_CNTRL3, STB0899_OFF0_CSM_CNTRL3, csm3);
+		stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_CSM_CNTRL4, STB0899_OFF0_CSM_CNTRL4, csm4);
+	}
+}
+
+/*
+ * stb0899_dvbs2_get_srate
+ * get DVB-S2 Symbol Rate
+ */
+static u32 stb0899_dvbs2_get_srate(struct stb0899_state *state)
+{
+	struct stb0899_internal *internal = &state->internal;
+	struct stb0899_config *config = state->config;
+
+	u32 bTrNomFreq, srate, decimRate, intval1, intval2, reg;
+	int div1, div2, rem1, rem2;
+
+	div1 = config->btr_nco_bits / 2;
+	div2 = config->btr_nco_bits - div1 - 1;
+
+	bTrNomFreq = STB0899_READ_S2REG(STB0899_S2DEMOD, BTR_NOM_FREQ);
+
+	reg = STB0899_READ_S2REG(STB0899_S2DEMOD, DECIM_CNTRL);
+	decimRate = STB0899_GETFIELD(DECIM_RATE, reg);
+	decimRate = (1 << decimRate);
+
+	intval1 = internal->master_clk / (1 << div1);
+	intval2 = bTrNomFreq / (1 << div2);
+
+	rem1 = internal->master_clk % (1 << div1);
+	rem2 = bTrNomFreq % (1 << div2);
+	/* only for integer calculation	*/
+	srate = (intval1 * intval2) + ((intval1 * rem2) / (1 << div2)) + ((intval2 * rem1) / (1 << div1));
+	srate /= decimRate;	/*symbrate = (btrnomfreq_register_val*MasterClock)/2^(27+decim_rate_field) */
+
+	return	srate;
+}
+
+/*
+ * stb0899_dvbs2_algo
+ * Search for signal, timing, carrier and data for a given
+ * frequency in a given range
+ */
+enum stb0899_status stb0899_dvbs2_algo(struct stb0899_state *state)
+{
+	struct stb0899_internal *internal = &state->internal;
+	enum stb0899_modcod modcod;
+
+	s32 offsetfreq, searchTime, FecLockTime, pilots, iqSpectrum;
+	int i = 0;
+	u32 reg, csm1;
+
+	if (internal->srate <= 2000000) {
+		searchTime	= 5000;	/* 5000 ms max time to lock UWP and CSM, SYMB <= 2Mbs		*/
+		FecLockTime	= 350;	/* 350  ms max time to lock FEC, SYMB <= 2Mbs			*/
+	} else if (internal->srate <= 5000000) {
+		searchTime	= 2500;	/* 2500 ms max time to lock UWP and CSM, 2Mbs < SYMB <= 5Mbs	*/
+		FecLockTime	= 170;	/* 170  ms max time to lock FEC, 2Mbs< SYMB <= 5Mbs		*/
+	} else if (internal->srate <= 10000000) {
+		searchTime	= 1500;	/* 1500 ms max time to lock UWP and CSM, 5Mbs <SYMB <= 10Mbs	*/
+		FecLockTime	= 80;	/* 80  ms max time to lock FEC, 5Mbs< SYMB <= 10Mbs		*/
+	} else if (internal->srate <= 15000000) {
+		searchTime	= 500;	/* 500 ms max time to lock UWP and CSM, 10Mbs <SYMB <= 15Mbs	*/
+		FecLockTime	= 50;	/* 50  ms max time to lock FEC, 10Mbs< SYMB <= 15Mbs		*/
+	} else if (internal->srate <= 20000000) {
+		searchTime	= 300;	/* 300 ms max time to lock UWP and CSM, 15Mbs < SYMB <= 20Mbs	*/
+		FecLockTime	= 30;	/* 50  ms max time to lock FEC, 15Mbs< SYMB <= 20Mbs		*/
+	} else if (internal->srate <= 25000000) {
+		searchTime	= 250;	/* 250 ms max time to lock UWP and CSM, 20 Mbs < SYMB <= 25Mbs	*/
+		FecLockTime	= 25;	/* 25 ms max time to lock FEC, 20Mbs< SYMB <= 25Mbs		*/
+	} else {
+		searchTime	= 150;	/* 150 ms max time to lock UWP and CSM, SYMB > 25Mbs		*/
+		FecLockTime	= 20;	/* 20 ms max time to lock FEC, 20Mbs< SYMB <= 25Mbs		*/
+	}
+
+	/* Maintain Stream Merger in reset during acquisition	*/
+	reg = stb0899_read_reg(state, STB0899_TSTRES);
+	STB0899_SETFIELD_VAL(FRESRS, reg, 1);
+	stb0899_write_reg(state, STB0899_TSTRES, reg);
+
+	/* Move tuner to frequency	*/
+	if (state->config->tuner_set_frequency)
+		state->config->tuner_set_frequency(&state->frontend, internal->freq);
+	if (state->config->tuner_get_frequency)
+		state->config->tuner_get_frequency(&state->frontend, &internal->freq);
+
+	/* Set IF AGC to acquisition	*/
+	reg = STB0899_READ_S2REG(STB0899_S2DEMOD, IF_AGC_CNTRL);
+	STB0899_SETFIELD_VAL(IF_LOOP_GAIN, reg,  4);
+	STB0899_SETFIELD_VAL(IF_AGC_REF, reg, 32);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_IF_AGC_CNTRL, STB0899_OFF0_IF_AGC_CNTRL, reg);
+
+	reg = STB0899_READ_S2REG(STB0899_S2DEMOD, IF_AGC_CNTRL2);
+	STB0899_SETFIELD_VAL(IF_AGC_DUMP_PER, reg, 0);
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_IF_AGC_CNTRL2, STB0899_OFF0_IF_AGC_CNTRL2, reg);
+
+	/* Initialisation	*/
+	stb0899_dvbs2_init_calc(state);
+
+	reg = STB0899_READ_S2REG(STB0899_S2DEMOD, DMD_CNTRL2);
+	switch (internal->inversion) {
+	case IQ_SWAP_OFF:
+		STB0899_SETFIELD_VAL(SPECTRUM_INVERT, reg, 0);
+		break;
+	case IQ_SWAP_ON:
+		STB0899_SETFIELD_VAL(SPECTRUM_INVERT, reg, 1);
+		break;
+	case IQ_SWAP_AUTO:	/* use last successful search first	*/
+		STB0899_SETFIELD_VAL(SPECTRUM_INVERT, reg, 1);
+		break;
+	}
+	stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_DMD_CNTRL2, STB0899_OFF0_DMD_CNTRL2, reg);
+	stb0899_dvbs2_reacquire(state);
+
+	/* Wait for demod lock (UWP and CSM)	*/
+	internal->status = stb0899_dvbs2_get_dmd_status(state, searchTime);
+
+	if (internal->status == DVBS2_DEMOD_LOCK) {
+		dprintk(state->verbose, FE_DEBUG, 1, "------------> DVB-S2 DEMOD LOCK !");
+		i = 0;
+		/* Demod Locked, check FEC status	*/
+		internal->status = stb0899_dvbs2_get_fec_status(state, FecLockTime);
+
+		/*If false lock (UWP and CSM Locked but no FEC) try 3 time max*/
+		while ((internal->status != DVBS2_FEC_LOCK) && (i < 3)) {
+			/*	Read the frequency offset*/
+			offsetfreq = STB0899_READ_S2REG(STB0899_S2DEMOD, CRL_FREQ);
+
+			/* Set the Nominal frequency to the found frequency offset for the next reacquire*/
+			reg = STB0899_READ_S2REG(STB0899_S2DEMOD, CRL_NOM_FREQ);
+			STB0899_SETFIELD_VAL(CRL_NOM_FREQ, reg, offsetfreq);
+			stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_CRL_NOM_FREQ, STB0899_OFF0_CRL_NOM_FREQ, offsetfreq);
+			stb0899_dvbs2_reacquire(state);
+			internal->status = stb0899_dvbs2_get_fec_status(state, searchTime);
+			i++;
+		}
+	}
+
+	if (internal->status != DVBS2_FEC_LOCK) {
+		if (internal->inversion == IQ_SWAP_AUTO) {
+			reg = STB0899_READ_S2REG(STB0899_S2DEMOD, DMD_CNTRL2);
+			iqSpectrum = STB0899_GETFIELD(SPECTRUM_INVERT, reg);
+			/* IQ Spectrum Inversion	*/
+			STB0899_SETFIELD_VAL(SPECTRUM_INVERT, reg, !iqSpectrum);
+			stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_DMD_CNTRL2, STB0899_OFF0_DMD_CNTRL2, reg);
+			/* start acquistion process	*/
+			stb0899_dvbs2_reacquire(state);
+
+			/* Wait for demod lock (UWP and CSM)	*/
+			internal->status = stb0899_dvbs2_get_dmd_status(state, searchTime);
+			if (internal->status == DVBS2_DEMOD_LOCK) {
+				i = 0;
+				/* Demod Locked, check FEC	*/
+				internal->status = stb0899_dvbs2_get_fec_status(state, FecLockTime);
+				/*try thrice for false locks, (UWP and CSM Locked but no FEC)	*/
+				while ((internal->status != DVBS2_FEC_LOCK) && (i < 3)) {
+					/*	Read the frequency offset*/
+					offsetfreq = STB0899_READ_S2REG(STB0899_S2DEMOD, CRL_FREQ);
+
+					/* Set the Nominal frequency to the found frequency offset for the next reacquire*/
+					reg = STB0899_READ_S2REG(STB0899_S2DEMOD, CRL_NOM_FREQ);
+					STB0899_SETFIELD_VAL(CRL_NOM_FREQ, reg, offsetfreq);
+					stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_CRL_NOM_FREQ, STB0899_OFF0_CRL_NOM_FREQ, offsetfreq);
+
+					stb0899_dvbs2_reacquire(state);
+					internal->status = stb0899_dvbs2_get_fec_status(state, searchTime);
+					i++;
+				}
+			}
+/*
+			if (pParams->DVBS2State == FE_DVBS2_FEC_LOCKED)
+				pParams->IQLocked = !iqSpectrum;
+*/
+		}
+	}
+	if (internal->status == DVBS2_FEC_LOCK) {
+		dprintk(state->verbose, FE_DEBUG, 1, "----------------> DVB-S2 FEC Lock !");
+		reg = STB0899_READ_S2REG(STB0899_S2DEMOD, UWP_STAT2);
+		modcod = STB0899_GETFIELD(UWP_DECODE_MOD, reg) >> 2;
+		pilots = STB0899_GETFIELD(UWP_DECODE_MOD, reg) & 0x01;
+
+		if ((((10 * internal->master_clk) / (internal->srate / 10)) <= 410) &&
+		      (INRANGE(STB0899_QPSK_23, modcod, STB0899_QPSK_910)) &&
+		      (pilots == 1)) {
+
+			stb0899_dvbs2_init_csm(state, pilots, modcod);
+			/* Wait for UWP,CSM and data LOCK 20ms max	*/
+			internal->status = stb0899_dvbs2_get_fec_status(state, FecLockTime);
+
+			i = 0;
+			while ((internal->status != DVBS2_FEC_LOCK) && (i < 3)) {
+				csm1 = STB0899_READ_S2REG(STB0899_S2DEMOD, CSM_CNTRL1);
+				STB0899_SETFIELD_VAL(CSM_TWO_PASS, csm1, 1);
+				stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_CSM_CNTRL1, STB0899_OFF0_CSM_CNTRL1, csm1);
+				csm1 = STB0899_READ_S2REG(STB0899_S2DEMOD, CSM_CNTRL1);
+				STB0899_SETFIELD_VAL(CSM_TWO_PASS, csm1, 0);
+				stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_CSM_CNTRL1, STB0899_OFF0_CSM_CNTRL1, csm1);
+
+				internal->status = stb0899_dvbs2_get_fec_status(state, FecLockTime);
+				i++;
+			}
+		}
+
+		if ((((10 * internal->master_clk) / (internal->srate / 10)) <= 410) &&
+		      (INRANGE(STB0899_QPSK_12, modcod, STB0899_QPSK_35)) &&
+		      (pilots == 1)) {
+
+			/* Equalizer Disable update	 */
+			reg = STB0899_READ_S2REG(STB0899_S2DEMOD, EQ_CNTRL);
+			STB0899_SETFIELD_VAL(EQ_DISABLE_UPDATE, reg, 1);
+			stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_EQ_CNTRL, STB0899_OFF0_EQ_CNTRL, reg);
+		}
+
+		/* slow down the Equalizer once locked	*/
+		reg = STB0899_READ_S2REG(STB0899_S2DEMOD, EQ_CNTRL);
+		STB0899_SETFIELD_VAL(EQ_SHIFT, reg, 0x02);
+		stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_EQ_CNTRL, STB0899_OFF0_EQ_CNTRL, reg);
+
+		/* Store signal parameters	*/
+		offsetfreq = STB0899_READ_S2REG(STB0899_S2DEMOD, CRL_FREQ);
+
+		offsetfreq = offsetfreq / ((1 << 30) / 1000);
+		offsetfreq *= (internal->master_clk / 1000000);
+		reg = STB0899_READ_S2REG(STB0899_S2DEMOD, DMD_CNTRL2);
+		if (STB0899_GETFIELD(SPECTRUM_INVERT, reg))
+			offsetfreq *= -1;
+
+		internal->freq = internal->freq - offsetfreq;
+		internal->srate = stb0899_dvbs2_get_srate(state);
+
+		reg = STB0899_READ_S2REG(STB0899_S2DEMOD, UWP_STAT2);
+		internal->modcod = STB0899_GETFIELD(UWP_DECODE_MOD, reg) >> 2;
+		internal->pilots = STB0899_GETFIELD(UWP_DECODE_MOD, reg) & 0x01;
+		internal->frame_length = (STB0899_GETFIELD(UWP_DECODE_MOD, reg) >> 1) & 0x01;
+
+		 /* Set IF AGC to tracking	*/
+		reg = STB0899_READ_S2REG(STB0899_S2DEMOD, IF_AGC_CNTRL);
+		STB0899_SETFIELD_VAL(IF_LOOP_GAIN, reg,  3);
+
+		/* if QPSK 1/2,QPSK 3/5 or QPSK 2/3 set IF AGC reference to 16 otherwise 32*/
+		if (INRANGE(STB0899_QPSK_12, internal->modcod, STB0899_QPSK_23))
+			STB0899_SETFIELD_VAL(IF_AGC_REF, reg, 16);
+
+		stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_IF_AGC_CNTRL, STB0899_OFF0_IF_AGC_CNTRL, reg);
+
+		reg = STB0899_READ_S2REG(STB0899_S2DEMOD, IF_AGC_CNTRL2);
+		STB0899_SETFIELD_VAL(IF_AGC_DUMP_PER, reg, 7);
+		stb0899_write_s2reg(state, STB0899_S2DEMOD, STB0899_BASE_IF_AGC_CNTRL2, STB0899_OFF0_IF_AGC_CNTRL2, reg);
+	}
+
+	/* Release Stream Merger Reset		*/
+	reg = stb0899_read_reg(state, STB0899_TSTRES);
+	STB0899_SETFIELD_VAL(FRESRS, reg, 0);
+	stb0899_write_reg(state, STB0899_TSTRES, reg);
+
+	return internal->status;
+}