Adding upstream version 6.6.15.upstream/6.6.15

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 2860 insertions, 0 deletions

diff --git a/drivers/media/dvb-frontends/dib7000p.c b/drivers/media/dvb-frontends/dib7000p.c
new file mode 100644
index 0000000000..444fe1c4bf
--- /dev/null
+++ b/drivers/media/dvb-frontends/dib7000p.c
@@ -0,0 +1,2860 @@
+// SPDX-License-Identifier: GPL-2.0-only
+/*
+ * Linux-DVB Driver for DiBcom's second generation DiB7000P (PC).
+ *
+ * Copyright (C) 2005-7 DiBcom (http://www.dibcom.fr/)
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/kernel.h>
+#include <linux/slab.h>
+#include <linux/i2c.h>
+#include <linux/mutex.h>
+#include <asm/div64.h>
+
+#include <linux/int_log.h>
+#include <media/dvb_frontend.h>
+
+#include "dib7000p.h"
+
+static int debug;
+module_param(debug, int, 0644);
+MODULE_PARM_DESC(debug, "turn on debugging (default: 0)");
+
+static int buggy_sfn_workaround;
+module_param(buggy_sfn_workaround, int, 0644);
+MODULE_PARM_DESC(buggy_sfn_workaround, "Enable work-around for buggy SFNs (default: 0)");
+
+#define dprintk(fmt, arg...) do {					\
+	if (debug)							\
+		printk(KERN_DEBUG pr_fmt("%s: " fmt),			\
+		       __func__, ##arg);				\
+} while (0)
+
+struct i2c_device {
+	struct i2c_adapter *i2c_adap;
+	u8 i2c_addr;
+};
+
+struct dib7000p_state {
+	struct dvb_frontend demod;
+	struct dib7000p_config cfg;
+
+	u8 i2c_addr;
+	struct i2c_adapter *i2c_adap;
+
+	struct dibx000_i2c_master i2c_master;
+
+	u16 wbd_ref;
+
+	u8 current_band;
+	u32 current_bandwidth;
+	struct dibx000_agc_config *current_agc;
+	u32 timf;
+
+	u8 div_force_off:1;
+	u8 div_state:1;
+	u16 div_sync_wait;
+
+	u8 agc_state;
+
+	u16 gpio_dir;
+	u16 gpio_val;
+
+	u8 sfn_workaround_active:1;
+
+#define SOC7090 0x7090
+	u16 version;
+
+	u16 tuner_enable;
+	struct i2c_adapter dib7090_tuner_adap;
+
+	/* for the I2C transfer */
+	struct i2c_msg msg[2];
+	u8 i2c_write_buffer[4];
+	u8 i2c_read_buffer[2];
+	struct mutex i2c_buffer_lock;
+
+	u8 input_mode_mpeg;
+
+	/* for DVBv5 stats */
+	s64 old_ucb;
+	unsigned long per_jiffies_stats;
+	unsigned long ber_jiffies_stats;
+	unsigned long get_stats_time;
+};
+
+enum dib7000p_power_mode {
+	DIB7000P_POWER_ALL = 0,
+	DIB7000P_POWER_ANALOG_ADC,
+	DIB7000P_POWER_INTERFACE_ONLY,
+};
+
+/* dib7090 specific functions */
+static int dib7090_set_output_mode(struct dvb_frontend *fe, int mode);
+static int dib7090_set_diversity_in(struct dvb_frontend *fe, int onoff);
+static void dib7090_setDibTxMux(struct dib7000p_state *state, int mode);
+static void dib7090_setHostBusMux(struct dib7000p_state *state, int mode);
+
+static u16 dib7000p_read_word(struct dib7000p_state *state, u16 reg)
+{
+	u16 ret;
+
+	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {
+		dprintk("could not acquire lock\n");
+		return 0;
+	}
+
+	state->i2c_write_buffer[0] = reg >> 8;
+	state->i2c_write_buffer[1] = reg & 0xff;
+
+	memset(state->msg, 0, 2 * sizeof(struct i2c_msg));
+	state->msg[0].addr = state->i2c_addr >> 1;
+	state->msg[0].flags = 0;
+	state->msg[0].buf = state->i2c_write_buffer;
+	state->msg[0].len = 2;
+	state->msg[1].addr = state->i2c_addr >> 1;
+	state->msg[1].flags = I2C_M_RD;
+	state->msg[1].buf = state->i2c_read_buffer;
+	state->msg[1].len = 2;
+
+	if (i2c_transfer(state->i2c_adap, state->msg, 2) != 2)
+		dprintk("i2c read error on %d\n", reg);
+
+	ret = (state->i2c_read_buffer[0] << 8) | state->i2c_read_buffer[1];
+	mutex_unlock(&state->i2c_buffer_lock);
+	return ret;
+}
+
+static int dib7000p_write_word(struct dib7000p_state *state, u16 reg, u16 val)
+{
+	int ret;
+
+	if (mutex_lock_interruptible(&state->i2c_buffer_lock) < 0) {
+		dprintk("could not acquire lock\n");
+		return -EINVAL;
+	}
+
+	state->i2c_write_buffer[0] = (reg >> 8) & 0xff;
+	state->i2c_write_buffer[1] = reg & 0xff;
+	state->i2c_write_buffer[2] = (val >> 8) & 0xff;
+	state->i2c_write_buffer[3] = val & 0xff;
+
+	memset(&state->msg[0], 0, sizeof(struct i2c_msg));
+	state->msg[0].addr = state->i2c_addr >> 1;
+	state->msg[0].flags = 0;
+	state->msg[0].buf = state->i2c_write_buffer;
+	state->msg[0].len = 4;
+
+	ret = (i2c_transfer(state->i2c_adap, state->msg, 1) != 1 ?
+			-EREMOTEIO : 0);
+	mutex_unlock(&state->i2c_buffer_lock);
+	return ret;
+}
+
+static void dib7000p_write_tab(struct dib7000p_state *state, u16 * buf)
+{
+	u16 l = 0, r, *n;
+	n = buf;
+	l = *n++;
+	while (l) {
+		r = *n++;
+
+		do {
+			dib7000p_write_word(state, r, *n++);
+			r++;
+		} while (--l);
+		l = *n++;
+	}
+}
+
+static int dib7000p_set_output_mode(struct dib7000p_state *state, int mode)
+{
+	int ret = 0;
+	u16 outreg, fifo_threshold, smo_mode;
+
+	outreg = 0;
+	fifo_threshold = 1792;
+	smo_mode = (dib7000p_read_word(state, 235) & 0x0050) | (1 << 1);
+
+	dprintk("setting output mode for demod %p to %d\n", &state->demod, mode);
+
+	switch (mode) {
+	case OUTMODE_MPEG2_PAR_GATED_CLK:
+		outreg = (1 << 10);	/* 0x0400 */
+		break;
+	case OUTMODE_MPEG2_PAR_CONT_CLK:
+		outreg = (1 << 10) | (1 << 6);	/* 0x0440 */
+		break;
+	case OUTMODE_MPEG2_SERIAL:
+		outreg = (1 << 10) | (2 << 6) | (0 << 1);	/* 0x0480 */
+		break;
+	case OUTMODE_DIVERSITY:
+		if (state->cfg.hostbus_diversity)
+			outreg = (1 << 10) | (4 << 6);	/* 0x0500 */
+		else
+			outreg = (1 << 11);
+		break;
+	case OUTMODE_MPEG2_FIFO:
+		smo_mode |= (3 << 1);
+		fifo_threshold = 512;
+		outreg = (1 << 10) | (5 << 6);
+		break;
+	case OUTMODE_ANALOG_ADC:
+		outreg = (1 << 10) | (3 << 6);
+		break;
+	case OUTMODE_HIGH_Z:
+		outreg = 0;
+		break;
+	default:
+		dprintk("Unhandled output_mode passed to be set for demod %p\n", &state->demod);
+		break;
+	}
+
+	if (state->cfg.output_mpeg2_in_188_bytes)
+		smo_mode |= (1 << 5);
+
+	ret |= dib7000p_write_word(state, 235, smo_mode);
+	ret |= dib7000p_write_word(state, 236, fifo_threshold);	/* synchronous fread */
+	if (state->version != SOC7090)
+		ret |= dib7000p_write_word(state, 1286, outreg);	/* P_Div_active */
+
+	return ret;
+}
+
+static int dib7000p_set_diversity_in(struct dvb_frontend *demod, int onoff)
+{
+	struct dib7000p_state *state = demod->demodulator_priv;
+
+	if (state->div_force_off) {
+		dprintk("diversity combination deactivated - forced by COFDM parameters\n");
+		onoff = 0;
+		dib7000p_write_word(state, 207, 0);
+	} else
+		dib7000p_write_word(state, 207, (state->div_sync_wait << 4) | (1 << 2) | (2 << 0));
+
+	state->div_state = (u8) onoff;
+
+	if (onoff) {
+		dib7000p_write_word(state, 204, 6);
+		dib7000p_write_word(state, 205, 16);
+		/* P_dvsy_sync_mode = 0, P_dvsy_sync_enable=1, P_dvcb_comb_mode=2 */
+	} else {
+		dib7000p_write_word(state, 204, 1);
+		dib7000p_write_word(state, 205, 0);
+	}
+
+	return 0;
+}
+
+static int dib7000p_set_power_mode(struct dib7000p_state *state, enum dib7000p_power_mode mode)
+{
+	/* by default everything is powered off */
+	u16 reg_774 = 0x3fff, reg_775 = 0xffff, reg_776 = 0x0007, reg_899 = 0x0003, reg_1280 = (0xfe00) | (dib7000p_read_word(state, 1280) & 0x01ff);
+
+	/* now, depending on the requested mode, we power on */
+	switch (mode) {
+		/* power up everything in the demod */
+	case DIB7000P_POWER_ALL:
+		reg_774 = 0x0000;
+		reg_775 = 0x0000;
+		reg_776 = 0x0;
+		reg_899 = 0x0;
+		if (state->version == SOC7090)
+			reg_1280 &= 0x001f;
+		else
+			reg_1280 &= 0x01ff;
+		break;
+
+	case DIB7000P_POWER_ANALOG_ADC:
+		/* dem, cfg, iqc, sad, agc */
+		reg_774 &= ~((1 << 15) | (1 << 14) | (1 << 11) | (1 << 10) | (1 << 9));
+		/* nud */
+		reg_776 &= ~((1 << 0));
+		/* Dout */
+		if (state->version != SOC7090)
+			reg_1280 &= ~((1 << 11));
+		reg_1280 &= ~(1 << 6);
+		fallthrough;
+	case DIB7000P_POWER_INTERFACE_ONLY:
+		/* just leave power on the control-interfaces: GPIO and (I2C or SDIO) */
+		/* TODO power up either SDIO or I2C */
+		if (state->version == SOC7090)
+			reg_1280 &= ~((1 << 7) | (1 << 5));
+		else
+			reg_1280 &= ~((1 << 14) | (1 << 13) | (1 << 12) | (1 << 10));
+		break;
+
+/* TODO following stuff is just converted from the dib7000-driver - check when is used what */
+	}
+
+	dib7000p_write_word(state, 774, reg_774);
+	dib7000p_write_word(state, 775, reg_775);
+	dib7000p_write_word(state, 776, reg_776);
+	dib7000p_write_word(state, 1280, reg_1280);
+	if (state->version != SOC7090)
+		dib7000p_write_word(state, 899, reg_899);
+
+	return 0;
+}
+
+static void dib7000p_set_adc_state(struct dib7000p_state *state, enum dibx000_adc_states no)
+{
+	u16 reg_908 = 0, reg_909 = 0;
+	u16 reg;
+
+	if (state->version != SOC7090) {
+		reg_908 = dib7000p_read_word(state, 908);
+		reg_909 = dib7000p_read_word(state, 909);
+	}
+
+	switch (no) {
+	case DIBX000_SLOW_ADC_ON:
+		if (state->version == SOC7090) {
+			reg = dib7000p_read_word(state, 1925);
+
+			dib7000p_write_word(state, 1925, reg | (1 << 4) | (1 << 2));	/* en_slowAdc = 1 & reset_sladc = 1 */
+
+			reg = dib7000p_read_word(state, 1925);	/* read access to make it works... strange ... */
+			msleep(200);
+			dib7000p_write_word(state, 1925, reg & ~(1 << 4));	/* en_slowAdc = 1 & reset_sladc = 0 */
+
+			reg = dib7000p_read_word(state, 72) & ~((0x3 << 14) | (0x3 << 12));
+			dib7000p_write_word(state, 72, reg | (1 << 14) | (3 << 12) | 524);	/* ref = Vin1 => Vbg ; sel = Vin0 or Vin3 ; (Vin2 = Vcm) */
+		} else {
+			reg_909 |= (1 << 1) | (1 << 0);
+			dib7000p_write_word(state, 909, reg_909);
+			reg_909 &= ~(1 << 1);
+		}
+		break;
+
+	case DIBX000_SLOW_ADC_OFF:
+		if (state->version == SOC7090) {
+			reg = dib7000p_read_word(state, 1925);
+			dib7000p_write_word(state, 1925, (reg & ~(1 << 2)) | (1 << 4));	/* reset_sladc = 1 en_slowAdc = 0 */
+		} else
+			reg_909 |= (1 << 1) | (1 << 0);
+		break;
+
+	case DIBX000_ADC_ON:
+		reg_908 &= 0x0fff;
+		reg_909 &= 0x0003;
+		break;
+
+	case DIBX000_ADC_OFF:
+		reg_908 |= (1 << 14) | (1 << 13) | (1 << 12);
+		reg_909 |= (1 << 5) | (1 << 4) | (1 << 3) | (1 << 2);
+		break;
+
+	case DIBX000_VBG_ENABLE:
+		reg_908 &= ~(1 << 15);
+		break;
+
+	case DIBX000_VBG_DISABLE:
+		reg_908 |= (1 << 15);
+		break;
+
+	default:
+		break;
+	}
+
+//	dprintk( "908: %x, 909: %x\n", reg_908, reg_909);
+
+	reg_909 |= (state->cfg.disable_sample_and_hold & 1) << 4;
+	reg_908 |= (state->cfg.enable_current_mirror & 1) << 7;
+
+	if (state->version != SOC7090) {
+		dib7000p_write_word(state, 908, reg_908);
+		dib7000p_write_word(state, 909, reg_909);
+	}
+}
+
+static int dib7000p_set_bandwidth(struct dib7000p_state *state, u32 bw)
+{
+	u32 timf;
+
+	// store the current bandwidth for later use
+	state->current_bandwidth = bw;
+
+	if (state->timf == 0) {
+		dprintk("using default timf\n");
+		timf = state->cfg.bw->timf;
+	} else {
+		dprintk("using updated timf\n");
+		timf = state->timf;
+	}
+
+	timf = timf * (bw / 50) / 160;
+
+	dib7000p_write_word(state, 23, (u16) ((timf >> 16) & 0xffff));
+	dib7000p_write_word(state, 24, (u16) ((timf) & 0xffff));
+
+	return 0;
+}
+
+static int dib7000p_sad_calib(struct dib7000p_state *state)
+{
+/* internal */
+	dib7000p_write_word(state, 73, (0 << 1) | (0 << 0));
+
+	if (state->version == SOC7090)
+		dib7000p_write_word(state, 74, 2048);
+	else
+		dib7000p_write_word(state, 74, 776);
+
+	/* do the calibration */
+	dib7000p_write_word(state, 73, (1 << 0));
+	dib7000p_write_word(state, 73, (0 << 0));
+
+	msleep(1);
+
+	return 0;
+}
+
+static int dib7000p_set_wbd_ref(struct dvb_frontend *demod, u16 value)
+{
+	struct dib7000p_state *state = demod->demodulator_priv;
+	if (value > 4095)
+		value = 4095;
+	state->wbd_ref = value;
+	return dib7000p_write_word(state, 105, (dib7000p_read_word(state, 105) & 0xf000) | value);
+}
+
+static int dib7000p_get_agc_values(struct dvb_frontend *fe,
+		u16 *agc_global, u16 *agc1, u16 *agc2, u16 *wbd)
+{
+	struct dib7000p_state *state = fe->demodulator_priv;
+
+	if (agc_global != NULL)
+		*agc_global = dib7000p_read_word(state, 394);
+	if (agc1 != NULL)
+		*agc1 = dib7000p_read_word(state, 392);
+	if (agc2 != NULL)
+		*agc2 = dib7000p_read_word(state, 393);
+	if (wbd != NULL)
+		*wbd = dib7000p_read_word(state, 397);
+
+	return 0;
+}
+
+static int dib7000p_set_agc1_min(struct dvb_frontend *fe, u16 v)
+{
+	struct dib7000p_state *state = fe->demodulator_priv;
+	return dib7000p_write_word(state, 108,  v);
+}
+
+static void dib7000p_reset_pll(struct dib7000p_state *state)
+{
+	struct dibx000_bandwidth_config *bw = &state->cfg.bw[0];
+	u16 clk_cfg0;
+
+	if (state->version == SOC7090) {
+		dib7000p_write_word(state, 1856, (!bw->pll_reset << 13) | (bw->pll_range << 12) | (bw->pll_ratio << 6) | (bw->pll_prediv));
+
+		while (((dib7000p_read_word(state, 1856) >> 15) & 0x1) != 1)
+			;
+
+		dib7000p_write_word(state, 1857, dib7000p_read_word(state, 1857) | (!bw->pll_bypass << 15));
+	} else {
+		/* force PLL bypass */
+		clk_cfg0 = (1 << 15) | ((bw->pll_ratio & 0x3f) << 9) |
+			(bw->modulo << 7) | (bw->ADClkSrc << 6) | (bw->IO_CLK_en_core << 5) | (bw->bypclk_div << 2) | (bw->enable_refdiv << 1) | (0 << 0);
+
+		dib7000p_write_word(state, 900, clk_cfg0);
+
+		/* P_pll_cfg */
+		dib7000p_write_word(state, 903, (bw->pll_prediv << 5) | (((bw->pll_ratio >> 6) & 0x3) << 3) | (bw->pll_range << 1) | bw->pll_reset);
+		clk_cfg0 = (bw->pll_bypass << 15) | (clk_cfg0 & 0x7fff);
+		dib7000p_write_word(state, 900, clk_cfg0);
+	}
+
+	dib7000p_write_word(state, 18, (u16) (((bw->internal * 1000) >> 16) & 0xffff));
+	dib7000p_write_word(state, 19, (u16) ((bw->internal * 1000) & 0xffff));
+	dib7000p_write_word(state, 21, (u16) ((bw->ifreq >> 16) & 0xffff));
+	dib7000p_write_word(state, 22, (u16) ((bw->ifreq) & 0xffff));
+
+	dib7000p_write_word(state, 72, bw->sad_cfg);
+}
+
+static u32 dib7000p_get_internal_freq(struct dib7000p_state *state)
+{
+	u32 internal = (u32) dib7000p_read_word(state, 18) << 16;
+	internal |= (u32) dib7000p_read_word(state, 19);
+	internal /= 1000;
+
+	return internal;
+}
+
+static int dib7000p_update_pll(struct dvb_frontend *fe, struct dibx000_bandwidth_config *bw)
+{
+	struct dib7000p_state *state = fe->demodulator_priv;
+	u16 reg_1857, reg_1856 = dib7000p_read_word(state, 1856);
+	u8 loopdiv, prediv;
+	u32 internal, xtal;
+
+	/* get back old values */
+	prediv = reg_1856 & 0x3f;
+	loopdiv = (reg_1856 >> 6) & 0x3f;
+
+	if (loopdiv && bw && (bw->pll_prediv != prediv || bw->pll_ratio != loopdiv)) {
+		dprintk("Updating pll (prediv: old =  %d new = %d ; loopdiv : old = %d new = %d)\n", prediv, bw->pll_prediv, loopdiv, bw->pll_ratio);
+		reg_1856 &= 0xf000;
+		reg_1857 = dib7000p_read_word(state, 1857);
+		dib7000p_write_word(state, 1857, reg_1857 & ~(1 << 15));
+
+		dib7000p_write_word(state, 1856, reg_1856 | ((bw->pll_ratio & 0x3f) << 6) | (bw->pll_prediv & 0x3f));
+
+		/* write new system clk into P_sec_len */
+		internal = dib7000p_get_internal_freq(state);
+		xtal = (internal / loopdiv) * prediv;
+		internal = 1000 * (xtal / bw->pll_prediv) * bw->pll_ratio;	/* new internal */
+		dib7000p_write_word(state, 18, (u16) ((internal >> 16) & 0xffff));
+		dib7000p_write_word(state, 19, (u16) (internal & 0xffff));
+
+		dib7000p_write_word(state, 1857, reg_1857 | (1 << 15));
+
+		while (((dib7000p_read_word(state, 1856) >> 15) & 0x1) != 1)
+			dprintk("Waiting for PLL to lock\n");
+
+		return 0;
+	}
+	return -EIO;
+}
+
+static int dib7000p_reset_gpio(struct dib7000p_state *st)
+{
+	/* reset the GPIOs */
+	dprintk("gpio dir: %x: val: %x, pwm_pos: %x\n", st->gpio_dir, st->gpio_val, st->cfg.gpio_pwm_pos);
+
+	dib7000p_write_word(st, 1029, st->gpio_dir);
+	dib7000p_write_word(st, 1030, st->gpio_val);
+
+	/* TODO 1031 is P_gpio_od */
+
+	dib7000p_write_word(st, 1032, st->cfg.gpio_pwm_pos);
+
+	dib7000p_write_word(st, 1037, st->cfg.pwm_freq_div);
+	return 0;
+}
+
+static int dib7000p_cfg_gpio(struct dib7000p_state *st, u8 num, u8 dir, u8 val)
+{
+	st->gpio_dir = dib7000p_read_word(st, 1029);
+	st->gpio_dir &= ~(1 << num);	/* reset the direction bit */
+	st->gpio_dir |= (dir & 0x1) << num;	/* set the new direction */
+	dib7000p_write_word(st, 1029, st->gpio_dir);
+
+	st->gpio_val = dib7000p_read_word(st, 1030);
+	st->gpio_val &= ~(1 << num);	/* reset the direction bit */
+	st->gpio_val |= (val & 0x01) << num;	/* set the new value */
+	dib7000p_write_word(st, 1030, st->gpio_val);
+
+	return 0;
+}
+
+static int dib7000p_set_gpio(struct dvb_frontend *demod, u8 num, u8 dir, u8 val)
+{
+	struct dib7000p_state *state = demod->demodulator_priv;
+	return dib7000p_cfg_gpio(state, num, dir, val);
+}
+
+static u16 dib7000p_defaults[] = {
+	// auto search configuration
+	3, 2,
+	0x0004,
+	(1<<3)|(1<<11)|(1<<12)|(1<<13),
+	0x0814,			/* Equal Lock */
+
+	12, 6,
+	0x001b,
+	0x7740,
+	0x005b,
+	0x8d80,
+	0x01c9,
+	0xc380,
+	0x0000,
+	0x0080,
+	0x0000,
+	0x0090,
+	0x0001,
+	0xd4c0,
+
+	1, 26,
+	0x6680,
+
+	/* set ADC level to -16 */
+	11, 79,
+	(1 << 13) - 825 - 117,
+	(1 << 13) - 837 - 117,
+	(1 << 13) - 811 - 117,
+	(1 << 13) - 766 - 117,
+	(1 << 13) - 737 - 117,
+	(1 << 13) - 693 - 117,
+	(1 << 13) - 648 - 117,
+	(1 << 13) - 619 - 117,
+	(1 << 13) - 575 - 117,
+	(1 << 13) - 531 - 117,
+	(1 << 13) - 501 - 117,
+
+	1, 142,
+	0x0410,
+
+	/* disable power smoothing */
+	8, 145,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+	0,
+
+	1, 154,
+	1 << 13,
+
+	1, 168,
+	0x0ccd,
+
+	1, 183,
+	0x200f,
+
+	1, 212,
+		0x169,
+
+	5, 187,
+	0x023d,
+	0x00a4,
+	0x00a4,
+	0x7ff0,
+	0x3ccc,
+
+	1, 198,
+	0x800,
+
+	1, 222,
+	0x0010,
+
+	1, 235,
+	0x0062,
+
+	0,
+};
+
+static void dib7000p_reset_stats(struct dvb_frontend *fe);
+
+static int dib7000p_demod_reset(struct dib7000p_state *state)
+{
+	dib7000p_set_power_mode(state, DIB7000P_POWER_ALL);
+
+	if (state->version == SOC7090)
+		dibx000_reset_i2c_master(&state->i2c_master);
+
+	dib7000p_set_adc_state(state, DIBX000_VBG_ENABLE);
+
+	/* restart all parts */
+	dib7000p_write_word(state, 770, 0xffff);
+	dib7000p_write_word(state, 771, 0xffff);
+	dib7000p_write_word(state, 772, 0x001f);
+	dib7000p_write_word(state, 1280, 0x001f - ((1 << 4) | (1 << 3)));
+
+	dib7000p_write_word(state, 770, 0);
+	dib7000p_write_word(state, 771, 0);
+	dib7000p_write_word(state, 772, 0);
+	dib7000p_write_word(state, 1280, 0);
+
+	if (state->version != SOC7090) {
+		dib7000p_write_word(state,  898, 0x0003);
+		dib7000p_write_word(state,  898, 0);
+	}
+
+	/* default */
+	dib7000p_reset_pll(state);
+
+	if (dib7000p_reset_gpio(state) != 0)
+		dprintk("GPIO reset was not successful.\n");
+
+	if (state->version == SOC7090) {
+		dib7000p_write_word(state, 899, 0);
+
+		/* impulse noise */
+		dib7000p_write_word(state, 42, (1<<5) | 3); /* P_iqc_thsat_ipc = 1 ; P_iqc_win2 = 3 */
+		dib7000p_write_word(state, 43, 0x2d4); /*-300 fag P_iqc_dect_min = -280 */
+		dib7000p_write_word(state, 44, 300); /* 300 fag P_iqc_dect_min = +280 */
+		dib7000p_write_word(state, 273, (0<<6) | 30);
+	}
+	if (dib7000p_set_output_mode(state, OUTMODE_HIGH_Z) != 0)
+		dprintk("OUTPUT_MODE could not be reset.\n");
+
+	dib7000p_set_adc_state(state, DIBX000_SLOW_ADC_ON);
+	dib7000p_sad_calib(state);
+	dib7000p_set_adc_state(state, DIBX000_SLOW_ADC_OFF);
+
+	/* unforce divstr regardless whether i2c enumeration was done or not */
+	dib7000p_write_word(state, 1285, dib7000p_read_word(state, 1285) & ~(1 << 1));
+
+	dib7000p_set_bandwidth(state, 8000);
+
+	if (state->version == SOC7090) {
+		dib7000p_write_word(state, 36, 0x0755);/* P_iqc_impnc_on =1 & P_iqc_corr_inh = 1 for impulsive noise */
+	} else {
+		if (state->cfg.tuner_is_baseband)
+			dib7000p_write_word(state, 36, 0x0755);
+		else
+			dib7000p_write_word(state, 36, 0x1f55);
+	}
+
+	dib7000p_write_tab(state, dib7000p_defaults);
+	if (state->version != SOC7090) {
+		dib7000p_write_word(state, 901, 0x0006);
+		dib7000p_write_word(state, 902, (3 << 10) | (1 << 6));
+		dib7000p_write_word(state, 905, 0x2c8e);
+	}
+
+	dib7000p_set_power_mode(state, DIB7000P_POWER_INTERFACE_ONLY);
+
+	return 0;
+}
+
+static void dib7000p_pll_clk_cfg(struct dib7000p_state *state)
+{
+	u16 tmp = 0;
+	tmp = dib7000p_read_word(state, 903);
+	dib7000p_write_word(state, 903, (tmp | 0x1));
+	tmp = dib7000p_read_word(state, 900);
+	dib7000p_write_word(state, 900, (tmp & 0x7fff) | (1 << 6));
+}
+
+static void dib7000p_restart_agc(struct dib7000p_state *state)
+{
+	// P_restart_iqc & P_restart_agc
+	dib7000p_write_word(state, 770, (1 << 11) | (1 << 9));
+	dib7000p_write_word(state, 770, 0x0000);
+}
+
+static int dib7000p_update_lna(struct dib7000p_state *state)
+{
+	u16 dyn_gain;
+
+	if (state->cfg.update_lna) {
+		dyn_gain = dib7000p_read_word(state, 394);
+		if (state->cfg.update_lna(&state->demod, dyn_gain)) {
+			dib7000p_restart_agc(state);
+			return 1;
+		}
+	}
+
+	return 0;
+}
+
+static int dib7000p_set_agc_config(struct dib7000p_state *state, u8 band)
+{
+	struct dibx000_agc_config *agc = NULL;
+	int i;
+	if (state->current_band == band && state->current_agc != NULL)
+		return 0;
+	state->current_band = band;
+
+	for (i = 0; i < state->cfg.agc_config_count; i++)
+		if (state->cfg.agc[i].band_caps & band) {
+			agc = &state->cfg.agc[i];
+			break;
+		}
+
+	if (agc == NULL) {
+		dprintk("no valid AGC configuration found for band 0x%02x\n", band);
+		return -EINVAL;
+	}
+
+	state->current_agc = agc;
+
+	/* AGC */
+	dib7000p_write_word(state, 75, agc->setup);
+	dib7000p_write_word(state, 76, agc->inv_gain);
+	dib7000p_write_word(state, 77, agc->time_stabiliz);
+	dib7000p_write_word(state, 100, (agc->alpha_level << 12) | agc->thlock);
+
+	// Demod AGC loop configuration
+	dib7000p_write_word(state, 101, (agc->alpha_mant << 5) | agc->alpha_exp);
+	dib7000p_write_word(state, 102, (agc->beta_mant << 6) | agc->beta_exp);
+
+	/* AGC continued */
+	dprintk("WBD: ref: %d, sel: %d, active: %d, alpha: %d\n",
+		state->wbd_ref != 0 ? state->wbd_ref : agc->wbd_ref, agc->wbd_sel, !agc->perform_agc_softsplit, agc->wbd_sel);
+
+	if (state->wbd_ref != 0)
+		dib7000p_write_word(state, 105, (agc->wbd_inv << 12) | state->wbd_ref);
+	else
+		dib7000p_write_word(state, 105, (agc->wbd_inv << 12) | agc->wbd_ref);
+
+	dib7000p_write_word(state, 106, (agc->wbd_sel << 13) | (agc->wbd_alpha << 9) | (agc->perform_agc_softsplit << 8));
+
+	dib7000p_write_word(state, 107, agc->agc1_max);
+	dib7000p_write_word(state, 108, agc->agc1_min);
+	dib7000p_write_word(state, 109, agc->agc2_max);
+	dib7000p_write_word(state, 110, agc->agc2_min);
+	dib7000p_write_word(state, 111, (agc->agc1_pt1 << 8) | agc->agc1_pt2);
+	dib7000p_write_word(state, 112, agc->agc1_pt3);
+	dib7000p_write_word(state, 113, (agc->agc1_slope1 << 8) | agc->agc1_slope2);
+	dib7000p_write_word(state, 114, (agc->agc2_pt1 << 8) | agc->agc2_pt2);
+	dib7000p_write_word(state, 115, (agc->agc2_slope1 << 8) | agc->agc2_slope2);
+	return 0;
+}
+
+static int dib7000p_set_dds(struct dib7000p_state *state, s32 offset_khz)
+{
+	u32 internal = dib7000p_get_internal_freq(state);
+	s32 unit_khz_dds_val;
+	u32 abs_offset_khz = abs(offset_khz);
+	u32 dds = state->cfg.bw->ifreq & 0x1ffffff;
+	u8 invert = !!(state->cfg.bw->ifreq & (1 << 25));
+	if (internal == 0) {
+		pr_warn("DIB7000P: dib7000p_get_internal_freq returned 0\n");
+		return -1;
+	}
+	/* 2**26 / Fsampling is the unit 1KHz offset */
+	unit_khz_dds_val = 67108864 / (internal);
+
+	dprintk("setting a frequency offset of %dkHz internal freq = %d invert = %d\n", offset_khz, internal, invert);
+
+	if (offset_khz < 0)
+		unit_khz_dds_val *= -1;
+
+	/* IF tuner */
+	if (invert)
+		dds -= (abs_offset_khz * unit_khz_dds_val);	/* /100 because of /100 on the unit_khz_dds_val line calc for better accuracy */
+	else
+		dds += (abs_offset_khz * unit_khz_dds_val);
+
+	if (abs_offset_khz <= (internal / 2)) {	/* Max dds offset is the half of the demod freq */
+		dib7000p_write_word(state, 21, (u16) (((dds >> 16) & 0x1ff) | (0 << 10) | (invert << 9)));
+		dib7000p_write_word(state, 22, (u16) (dds & 0xffff));
+	}
+	return 0;
+}
+
+static int dib7000p_agc_startup(struct dvb_frontend *demod)
+{
+	struct dtv_frontend_properties *ch = &demod->dtv_property_cache;
+	struct dib7000p_state *state = demod->demodulator_priv;
+	int ret = -1;
+	u8 *agc_state = &state->agc_state;
+	u8 agc_split;
+	u16 reg;
+	u32 upd_demod_gain_period = 0x1000;
+	s32 frequency_offset = 0;
+
+	switch (state->agc_state) {
+	case 0:
+		dib7000p_set_power_mode(state, DIB7000P_POWER_ALL);
+		if (state->version == SOC7090) {
+			reg = dib7000p_read_word(state, 0x79b) & 0xff00;
+			dib7000p_write_word(state, 0x79a, upd_demod_gain_period & 0xFFFF);	/* lsb */
+			dib7000p_write_word(state, 0x79b, reg | (1 << 14) | ((upd_demod_gain_period >> 16) & 0xFF));
+
+			/* enable adc i & q */
+			reg = dib7000p_read_word(state, 0x780);
+			dib7000p_write_word(state, 0x780, (reg | (0x3)) & (~(1 << 7)));
+		} else {
+			dib7000p_set_adc_state(state, DIBX000_ADC_ON);
+			dib7000p_pll_clk_cfg(state);
+		}
+
+		if (dib7000p_set_agc_config(state, BAND_OF_FREQUENCY(ch->frequency / 1000)) != 0)
+			return -1;
+
+		if (demod->ops.tuner_ops.get_frequency) {
+			u32 frequency_tuner;
+
+			demod->ops.tuner_ops.get_frequency(demod, &frequency_tuner);
+			frequency_offset = (s32)frequency_tuner / 1000 - ch->frequency / 1000;
+		}
+
+		if (dib7000p_set_dds(state, frequency_offset) < 0)
+			return -1;
+
+		ret = 7;
+		(*agc_state)++;
+		break;
+
+	case 1:
+		if (state->cfg.agc_control)
+			state->cfg.agc_control(&state->demod, 1);
+
+		dib7000p_write_word(state, 78, 32768);
+		if (!state->current_agc->perform_agc_softsplit) {
+			/* we are using the wbd - so slow AGC startup */
+			/* force 0 split on WBD and restart AGC */
+			dib7000p_write_word(state, 106, (state->current_agc->wbd_sel << 13) | (state->current_agc->wbd_alpha << 9) | (1 << 8));
+			(*agc_state)++;
+			ret = 5;
+		} else {
+			/* default AGC startup */
+			(*agc_state) = 4;
+			/* wait AGC rough lock time */
+			ret = 7;
+		}
+
+		dib7000p_restart_agc(state);
+		break;
+
+	case 2:		/* fast split search path after 5sec */
+		dib7000p_write_word(state, 75, state->current_agc->setup | (1 << 4));	/* freeze AGC loop */
+		dib7000p_write_word(state, 106, (state->current_agc->wbd_sel << 13) | (2 << 9) | (0 << 8));	/* fast split search 0.25kHz */
+		(*agc_state)++;
+		ret = 14;
+		break;
+
+	case 3:		/* split search ended */
+		agc_split = (u8) dib7000p_read_word(state, 396);	/* store the split value for the next time */
+		dib7000p_write_word(state, 78, dib7000p_read_word(state, 394));	/* set AGC gain start value */
+
+		dib7000p_write_word(state, 75, state->current_agc->setup);	/* std AGC loop */
+		dib7000p_write_word(state, 106, (state->current_agc->wbd_sel << 13) | (state->current_agc->wbd_alpha << 9) | agc_split);	/* standard split search */
+
+		dib7000p_restart_agc(state);
+
+		dprintk("SPLIT %p: %u\n", demod, agc_split);
+
+		(*agc_state)++;
+		ret = 5;
+		break;
+
+	case 4:		/* LNA startup */
+		ret = 7;
+
+		if (dib7000p_update_lna(state))
+			ret = 5;
+		else
+			(*agc_state)++;
+		break;
+
+	case 5:
+		if (state->cfg.agc_control)
+			state->cfg.agc_control(&state->demod, 0);
+		(*agc_state)++;
+		break;
+	default:
+		break;
+	}
+	return ret;
+}
+
+static void dib7000p_update_timf(struct dib7000p_state *state)
+{
+	u32 timf = (dib7000p_read_word(state, 427) << 16) | dib7000p_read_word(state, 428);
+	state->timf = timf * 160 / (state->current_bandwidth / 50);
+	dib7000p_write_word(state, 23, (u16) (timf >> 16));
+	dib7000p_write_word(state, 24, (u16) (timf & 0xffff));
+	dprintk("updated timf_frequency: %d (default: %d)\n", state->timf, state->cfg.bw->timf);
+
+}
+
+static u32 dib7000p_ctrl_timf(struct dvb_frontend *fe, u8 op, u32 timf)
+{
+	struct dib7000p_state *state = fe->demodulator_priv;
+	switch (op) {
+	case DEMOD_TIMF_SET:
+		state->timf = timf;
+		break;
+	case DEMOD_TIMF_UPDATE:
+		dib7000p_update_timf(state);
+		break;
+	case DEMOD_TIMF_GET:
+		break;
+	}
+	dib7000p_set_bandwidth(state, state->current_bandwidth);
+	return state->timf;
+}
+
+static void dib7000p_set_channel(struct dib7000p_state *state,
+				 struct dtv_frontend_properties *ch, u8 seq)
+{
+	u16 value, est[4];
+
+	dib7000p_set_bandwidth(state, BANDWIDTH_TO_KHZ(ch->bandwidth_hz));
+
+	/* nfft, guard, qam, alpha */
+	value = 0;
+	switch (ch->transmission_mode) {
+	case TRANSMISSION_MODE_2K:
+		value |= (0 << 7);
+		break;
+	case TRANSMISSION_MODE_4K:
+		value |= (2 << 7);
+		break;
+	default:
+	case TRANSMISSION_MODE_8K:
+		value |= (1 << 7);
+		break;
+	}
+	switch (ch->guard_interval) {
+	case GUARD_INTERVAL_1_32:
+		value |= (0 << 5);
+		break;
+	case GUARD_INTERVAL_1_16:
+		value |= (1 << 5);
+		break;
+	case GUARD_INTERVAL_1_4:
+		value |= (3 << 5);
+		break;
+	default:
+	case GUARD_INTERVAL_1_8:
+		value |= (2 << 5);
+		break;
+	}
+	switch (ch->modulation) {
+	case QPSK:
+		value |= (0 << 3);
+		break;
+	case QAM_16:
+		value |= (1 << 3);
+		break;
+	default:
+	case QAM_64:
+		value |= (2 << 3);
+		break;
+	}
+	switch (HIERARCHY_1) {
+	case HIERARCHY_2:
+		value |= 2;
+		break;
+	case HIERARCHY_4:
+		value |= 4;
+		break;
+	default:
+	case HIERARCHY_1:
+		value |= 1;
+		break;
+	}
+	dib7000p_write_word(state, 0, value);
+	dib7000p_write_word(state, 5, (seq << 4) | 1);	/* do not force tps, search list 0 */
+
+	/* P_dintl_native, P_dintlv_inv, P_hrch, P_code_rate, P_select_hp */
+	value = 0;
+	if (1 != 0)
+		value |= (1 << 6);
+	if (ch->hierarchy == 1)
+		value |= (1 << 4);
+	if (1 == 1)
+		value |= 1;
+	switch ((ch->hierarchy == 0 || 1 == 1) ? ch->code_rate_HP : ch->code_rate_LP) {
+	case FEC_2_3:
+		value |= (2 << 1);
+		break;
+	case FEC_3_4:
+		value |= (3 << 1);
+		break;
+	case FEC_5_6:
+		value |= (5 << 1);
+		break;
+	case FEC_7_8:
+		value |= (7 << 1);
+		break;
+	default:
+	case FEC_1_2:
+		value |= (1 << 1);
+		break;
+	}
+	dib7000p_write_word(state, 208, value);
+
+	/* offset loop parameters */
+	dib7000p_write_word(state, 26, 0x6680);
+	dib7000p_write_word(state, 32, 0x0003);
+	dib7000p_write_word(state, 29, 0x1273);
+	dib7000p_write_word(state, 33, 0x0005);
+
+	/* P_dvsy_sync_wait */
+	switch (ch->transmission_mode) {
+	case TRANSMISSION_MODE_8K:
+		value = 256;
+		break;
+	case TRANSMISSION_MODE_4K:
+		value = 128;
+		break;
+	case TRANSMISSION_MODE_2K:
+	default:
+		value = 64;
+		break;
+	}
+	switch (ch->guard_interval) {
+	case GUARD_INTERVAL_1_16:
+		value *= 2;
+		break;
+	case GUARD_INTERVAL_1_8:
+		value *= 4;
+		break;
+	case GUARD_INTERVAL_1_4:
+		value *= 8;
+		break;
+	default:
+	case GUARD_INTERVAL_1_32:
+		value *= 1;
+		break;
+	}
+	if (state->cfg.diversity_delay == 0)
+		state->div_sync_wait = (value * 3) / 2 + 48;
+	else
+		state->div_sync_wait = (value * 3) / 2 + state->cfg.diversity_delay;
+
+	/* deactivate the possibility of diversity reception if extended interleaver */
+	state->div_force_off = !1 && ch->transmission_mode != TRANSMISSION_MODE_8K;
+	dib7000p_set_diversity_in(&state->demod, state->div_state);
+
+	/* channel estimation fine configuration */
+	switch (ch->modulation) {
+	case QAM_64:
+		est[0] = 0x0148;	/* P_adp_regul_cnt 0.04 */
+		est[1] = 0xfff0;	/* P_adp_noise_cnt -0.002 */
+		est[2] = 0x00a4;	/* P_adp_regul_ext 0.02 */
+		est[3] = 0xfff8;	/* P_adp_noise_ext -0.001 */
+		break;
+	case QAM_16:
+		est[0] = 0x023d;	/* P_adp_regul_cnt 0.07 */
+		est[1] = 0xffdf;	/* P_adp_noise_cnt -0.004 */
+		est[2] = 0x00a4;	/* P_adp_regul_ext 0.02 */
+		est[3] = 0xfff0;	/* P_adp_noise_ext -0.002 */
+		break;
+	default:
+		est[0] = 0x099a;	/* P_adp_regul_cnt 0.3 */
+		est[1] = 0xffae;	/* P_adp_noise_cnt -0.01 */
+		est[2] = 0x0333;	/* P_adp_regul_ext 0.1 */
+		est[3] = 0xfff8;	/* P_adp_noise_ext -0.002 */
+		break;
+	}
+	for (value = 0; value < 4; value++)
+		dib7000p_write_word(state, 187 + value, est[value]);
+}
+
+static int dib7000p_autosearch_start(struct dvb_frontend *demod)
+{
+	struct dtv_frontend_properties *ch = &demod->dtv_property_cache;
+	struct dib7000p_state *state = demod->demodulator_priv;
+	struct dtv_frontend_properties schan;
+	u32 value, factor;
+	u32 internal = dib7000p_get_internal_freq(state);
+
+	schan = *ch;
+	schan.modulation = QAM_64;
+	schan.guard_interval = GUARD_INTERVAL_1_32;
+	schan.transmission_mode = TRANSMISSION_MODE_8K;
+	schan.code_rate_HP = FEC_2_3;
+	schan.code_rate_LP = FEC_3_4;
+	schan.hierarchy = 0;
+
+	dib7000p_set_channel(state, &schan, 7);
+
+	factor = BANDWIDTH_TO_KHZ(ch->bandwidth_hz);
+	if (factor >= 5000) {
+		if (state->version == SOC7090)
+			factor = 2;
+		else
+			factor = 1;
+	} else
+		factor = 6;
+
+	value = 30 * internal * factor;
+	dib7000p_write_word(state, 6, (u16) ((value >> 16) & 0xffff));
+	dib7000p_write_word(state, 7, (u16) (value & 0xffff));
+	value = 100 * internal * factor;
+	dib7000p_write_word(state, 8, (u16) ((value >> 16) & 0xffff));
+	dib7000p_write_word(state, 9, (u16) (value & 0xffff));
+	value = 500 * internal * factor;
+	dib7000p_write_word(state, 10, (u16) ((value >> 16) & 0xffff));
+	dib7000p_write_word(state, 11, (u16) (value & 0xffff));
+
+	value = dib7000p_read_word(state, 0);
+	dib7000p_write_word(state, 0, (u16) ((1 << 9) | value));
+	dib7000p_read_word(state, 1284);
+	dib7000p_write_word(state, 0, (u16) value);
+
+	return 0;
+}
+
+static int dib7000p_autosearch_is_irq(struct dvb_frontend *demod)
+{
+	struct dib7000p_state *state = demod->demodulator_priv;
+	u16 irq_pending = dib7000p_read_word(state, 1284);
+
+	if (irq_pending & 0x1)
+		return 1;
+
+	if (irq_pending & 0x2)
+		return 2;
+
+	return 0;
+}
+
+static void dib7000p_spur_protect(struct dib7000p_state *state, u32 rf_khz, u32 bw)
+{
+	static const s16 notch[] = { 16143, 14402, 12238, 9713, 6902, 3888, 759, -2392 };
+	static const u8 sine[] = { 0, 2, 3, 5, 6, 8, 9, 11, 13, 14, 16, 17, 19, 20, 22,
+		24, 25, 27, 28, 30, 31, 33, 34, 36, 38, 39, 41, 42, 44, 45, 47, 48, 50, 51,
+		53, 55, 56, 58, 59, 61, 62, 64, 65, 67, 68, 70, 71, 73, 74, 76, 77, 79, 80,
+		82, 83, 85, 86, 88, 89, 91, 92, 94, 95, 97, 98, 99, 101, 102, 104, 105,
+		107, 108, 109, 111, 112, 114, 115, 117, 118, 119, 121, 122, 123, 125, 126,
+		128, 129, 130, 132, 133, 134, 136, 137, 138, 140, 141, 142, 144, 145, 146,
+		147, 149, 150, 151, 152, 154, 155, 156, 157, 159, 160, 161, 162, 164, 165,
+		166, 167, 168, 170, 171, 172, 173, 174, 175, 177, 178, 179, 180, 181, 182,
+		183, 184, 185, 186, 188, 189, 190, 191, 192, 193, 194, 195, 196, 197, 198,
+		199, 200, 201, 202, 203, 204, 205, 206, 207, 207, 208, 209, 210, 211, 212,
+		213, 214, 215, 215, 216, 217, 218, 219, 220, 220, 221, 222, 223, 224, 224,
+		225, 226, 227, 227, 228, 229, 229, 230, 231, 231, 232, 233, 233, 234, 235,
+		235, 236, 237, 237, 238, 238, 239, 239, 240, 241, 241, 242, 242, 243, 243,
+		244, 244, 245, 245, 245, 246, 246, 247, 247, 248, 248, 248, 249, 249, 249,
+		250, 250, 250, 251, 251, 251, 252, 252, 252, 252, 253, 253, 253, 253, 254,
+		254, 254, 254, 254, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255, 255,
+		255, 255, 255, 255, 255, 255
+	};
+
+	u32 xtal = state->cfg.bw->xtal_hz / 1000;
+	int f_rel = DIV_ROUND_CLOSEST(rf_khz, xtal) * xtal - rf_khz;
+	int k;
+	int coef_re[8], coef_im[8];
+	int bw_khz = bw;
+	u32 pha;
+
+	dprintk("relative position of the Spur: %dk (RF: %dk, XTAL: %dk)\n", f_rel, rf_khz, xtal);
+
+	if (f_rel < -bw_khz / 2 || f_rel > bw_khz / 2)
+		return;
+
+	bw_khz /= 100;
+
+	dib7000p_write_word(state, 142, 0x0610);
+
+	for (k = 0; k < 8; k++) {
+		pha = ((f_rel * (k + 1) * 112 * 80 / bw_khz) / 1000) & 0x3ff;
+
+		if (pha == 0) {
+			coef_re[k] = 256;
+			coef_im[k] = 0;
+		} else if (pha < 256) {
+			coef_re[k] = sine[256 - (pha & 0xff)];
+			coef_im[k] = sine[pha & 0xff];
+		} else if (pha == 256) {
+			coef_re[k] = 0;
+			coef_im[k] = 256;
+		} else if (pha < 512) {
+			coef_re[k] = -sine[pha & 0xff];
+			coef_im[k] = sine[256 - (pha & 0xff)];
+		} else if (pha == 512) {
+			coef_re[k] = -256;
+			coef_im[k] = 0;
+		} else if (pha < 768) {
+			coef_re[k] = -sine[256 - (pha & 0xff)];
+			coef_im[k] = -sine[pha & 0xff];
+		} else if (pha == 768) {
+			coef_re[k] = 0;
+			coef_im[k] = -256;
+		} else {
+			coef_re[k] = sine[pha & 0xff];
+			coef_im[k] = -sine[256 - (pha & 0xff)];
+		}
+
+		coef_re[k] *= notch[k];
+		coef_re[k] += (1 << 14);
+		if (coef_re[k] >= (1 << 24))
+			coef_re[k] = (1 << 24) - 1;
+		coef_re[k] /= (1 << 15);
+
+		coef_im[k] *= notch[k];
+		coef_im[k] += (1 << 14);
+		if (coef_im[k] >= (1 << 24))
+			coef_im[k] = (1 << 24) - 1;
+		coef_im[k] /= (1 << 15);
+
+		dprintk("PALF COEF: %d re: %d im: %d\n", k, coef_re[k], coef_im[k]);
+
+		dib7000p_write_word(state, 143, (0 << 14) | (k << 10) | (coef_re[k] & 0x3ff));
+		dib7000p_write_word(state, 144, coef_im[k] & 0x3ff);
+		dib7000p_write_word(state, 143, (1 << 14) | (k << 10) | (coef_re[k] & 0x3ff));
+	}
+	dib7000p_write_word(state, 143, 0);
+}
+
+static int dib7000p_tune(struct dvb_frontend *demod)
+{
+	struct dtv_frontend_properties *ch = &demod->dtv_property_cache;
+	struct dib7000p_state *state = demod->demodulator_priv;
+	u16 tmp = 0;
+
+	if (ch != NULL)
+		dib7000p_set_channel(state, ch, 0);
+	else
+		return -EINVAL;
+
+	// restart demod
+	dib7000p_write_word(state, 770, 0x4000);
+	dib7000p_write_word(state, 770, 0x0000);
+	msleep(45);
+
+	/* P_ctrl_inh_cor=0, P_ctrl_alpha_cor=4, P_ctrl_inh_isi=0, P_ctrl_alpha_isi=3, P_ctrl_inh_cor4=1, P_ctrl_alpha_cor4=3 */
+	tmp = (0 << 14) | (4 << 10) | (0 << 9) | (3 << 5) | (1 << 4) | (0x3);
+	if (state->sfn_workaround_active) {
+		dprintk("SFN workaround is active\n");
+		tmp |= (1 << 9);
+		dib7000p_write_word(state, 166, 0x4000);
+	} else {
+		dib7000p_write_word(state, 166, 0x0000);
+	}
+	dib7000p_write_word(state, 29, tmp);
+
+	// never achieved a lock with that bandwidth so far - wait for osc-freq to update
+	if (state->timf == 0)
+		msleep(200);
+
+	/* offset loop parameters */
+
+	/* P_timf_alpha, P_corm_alpha=6, P_corm_thres=0x80 */
+	tmp = (6 << 8) | 0x80;
+	switch (ch->transmission_mode) {
+	case TRANSMISSION_MODE_2K:
+		tmp |= (2 << 12);
+		break;
+	case TRANSMISSION_MODE_4K:
+		tmp |= (3 << 12);
+		break;
+	default:
+	case TRANSMISSION_MODE_8K:
+		tmp |= (4 << 12);
+		break;
+	}
+	dib7000p_write_word(state, 26, tmp);	/* timf_a(6xxx) */
+
+	/* P_ctrl_freeze_pha_shift=0, P_ctrl_pha_off_max */
+	tmp = (0 << 4);
+	switch (ch->transmission_mode) {
+	case TRANSMISSION_MODE_2K:
+		tmp |= 0x6;
+		break;
+	case TRANSMISSION_MODE_4K:
+		tmp |= 0x7;
+		break;
+	default:
+	case TRANSMISSION_MODE_8K:
+		tmp |= 0x8;
+		break;
+	}
+	dib7000p_write_word(state, 32, tmp);
+
+	/* P_ctrl_sfreq_inh=0, P_ctrl_sfreq_step */
+	tmp = (0 << 4);
+	switch (ch->transmission_mode) {
+	case TRANSMISSION_MODE_2K:
+		tmp |= 0x6;
+		break;
+	case TRANSMISSION_MODE_4K:
+		tmp |= 0x7;
+		break;
+	default:
+	case TRANSMISSION_MODE_8K:
+		tmp |= 0x8;
+		break;
+	}
+	dib7000p_write_word(state, 33, tmp);
+
+	tmp = dib7000p_read_word(state, 509);
+	if (!((tmp >> 6) & 0x1)) {
+		/* restart the fec */
+		tmp = dib7000p_read_word(state, 771);
+		dib7000p_write_word(state, 771, tmp | (1 << 1));
+		dib7000p_write_word(state, 771, tmp);
+		msleep(40);
+		tmp = dib7000p_read_word(state, 509);
+	}
+	// we achieved a lock - it's time to update the osc freq
+	if ((tmp >> 6) & 0x1) {
+		dib7000p_update_timf(state);
+		/* P_timf_alpha += 2 */
+		tmp = dib7000p_read_word(state, 26);
+		dib7000p_write_word(state, 26, (tmp & ~(0xf << 12)) | ((((tmp >> 12) & 0xf) + 5) << 12));
+	}
+
+	if (state->cfg.spur_protect)
+		dib7000p_spur_protect(state, ch->frequency / 1000, BANDWIDTH_TO_KHZ(ch->bandwidth_hz));
+
+	dib7000p_set_bandwidth(state, BANDWIDTH_TO_KHZ(ch->bandwidth_hz));
+
+	dib7000p_reset_stats(demod);
+
+	return 0;
+}
+
+static int dib7000p_wakeup(struct dvb_frontend *demod)
+{
+	struct dib7000p_state *state = demod->demodulator_priv;
+	dib7000p_set_power_mode(state, DIB7000P_POWER_ALL);
+	dib7000p_set_adc_state(state, DIBX000_SLOW_ADC_ON);
+	if (state->version == SOC7090)
+		dib7000p_sad_calib(state);
+	return 0;
+}
+
+static int dib7000p_sleep(struct dvb_frontend *demod)
+{
+	struct dib7000p_state *state = demod->demodulator_priv;
+	if (state->version == SOC7090)
+		return dib7000p_set_power_mode(state, DIB7000P_POWER_INTERFACE_ONLY);
+	return dib7000p_set_output_mode(state, OUTMODE_HIGH_Z) | dib7000p_set_power_mode(state, DIB7000P_POWER_INTERFACE_ONLY);
+}
+
+static int dib7000p_identify(struct dib7000p_state *st)
+{
+	u16 value;
+	dprintk("checking demod on I2C address: %d (%x)\n", st->i2c_addr, st->i2c_addr);
+
+	if ((value = dib7000p_read_word(st, 768)) != 0x01b3) {
+		dprintk("wrong Vendor ID (read=0x%x)\n", value);
+		return -EREMOTEIO;
+	}
+
+	if ((value = dib7000p_read_word(st, 769)) != 0x4000) {
+		dprintk("wrong Device ID (%x)\n", value);
+		return -EREMOTEIO;
+	}
+
+	return 0;
+}
+
+static int dib7000p_get_frontend(struct dvb_frontend *fe,
+				 struct dtv_frontend_properties *fep)
+{
+	struct dib7000p_state *state = fe->demodulator_priv;
+	u16 tps = dib7000p_read_word(state, 463);
+
+	fep->inversion = INVERSION_AUTO;
+
+	fep->bandwidth_hz = BANDWIDTH_TO_HZ(state->current_bandwidth);
+
+	switch ((tps >> 8) & 0x3) {
+	case 0:
+		fep->transmission_mode = TRANSMISSION_MODE_2K;
+		break;
+	case 1:
+		fep->transmission_mode = TRANSMISSION_MODE_8K;
+		break;
+	/* case 2: fep->transmission_mode = TRANSMISSION_MODE_4K; break; */
+	}
+
+	switch (tps & 0x3) {
+	case 0:
+		fep->guard_interval = GUARD_INTERVAL_1_32;
+		break;
+	case 1:
+		fep->guard_interval = GUARD_INTERVAL_1_16;
+		break;
+	case 2:
+		fep->guard_interval = GUARD_INTERVAL_1_8;
+		break;
+	case 3:
+		fep->guard_interval = GUARD_INTERVAL_1_4;
+		break;
+	}
+
+	switch ((tps >> 14) & 0x3) {
+	case 0:
+		fep->modulation = QPSK;
+		break;
+	case 1:
+		fep->modulation = QAM_16;
+		break;
+	case 2:
+	default:
+		fep->modulation = QAM_64;
+		break;
+	}
+
+	/* as long as the frontend_param structure is fixed for hierarchical transmission I refuse to use it */
+	/* (tps >> 13) & 0x1 == hrch is used, (tps >> 10) & 0x7 == alpha */
+
+	fep->hierarchy = HIERARCHY_NONE;
+	switch ((tps >> 5) & 0x7) {
+	case 1:
+		fep->code_rate_HP = FEC_1_2;
+		break;
+	case 2:
+		fep->code_rate_HP = FEC_2_3;
+		break;
+	case 3:
+		fep->code_rate_HP = FEC_3_4;
+		break;
+	case 5:
+		fep->code_rate_HP = FEC_5_6;
+		break;
+	case 7:
+	default:
+		fep->code_rate_HP = FEC_7_8;
+		break;
+
+	}
+
+	switch ((tps >> 2) & 0x7) {
+	case 1:
+		fep->code_rate_LP = FEC_1_2;
+		break;
+	case 2:
+		fep->code_rate_LP = FEC_2_3;
+		break;
+	case 3:
+		fep->code_rate_LP = FEC_3_4;
+		break;
+	case 5:
+		fep->code_rate_LP = FEC_5_6;
+		break;
+	case 7:
+	default:
+		fep->code_rate_LP = FEC_7_8;
+		break;
+	}
+
+	/* native interleaver: (dib7000p_read_word(state, 464) >>  5) & 0x1 */
+
+	return 0;
+}
+
+static int dib7000p_set_frontend(struct dvb_frontend *fe)
+{
+	struct dtv_frontend_properties *fep = &fe->dtv_property_cache;
+	struct dib7000p_state *state = fe->demodulator_priv;
+	int time, ret;
+
+	if (state->version == SOC7090)
+		dib7090_set_diversity_in(fe, 0);
+	else
+		dib7000p_set_output_mode(state, OUTMODE_HIGH_Z);
+
+	/* maybe the parameter has been changed */
+	state->sfn_workaround_active = buggy_sfn_workaround;
+
+	if (fe->ops.tuner_ops.set_params)
+		fe->ops.tuner_ops.set_params(fe);
+
+	/* start up the AGC */
+	state->agc_state = 0;
+	do {
+		time = dib7000p_agc_startup(fe);
+		if (time != -1)
+			msleep(time);
+	} while (time != -1);
+
+	if (fep->transmission_mode == TRANSMISSION_MODE_AUTO ||
+		fep->guard_interval == GUARD_INTERVAL_AUTO || fep->modulation == QAM_AUTO || fep->code_rate_HP == FEC_AUTO) {
+		int i = 800, found;
+
+		dib7000p_autosearch_start(fe);
+		do {
+			msleep(1);
+			found = dib7000p_autosearch_is_irq(fe);
+		} while (found == 0 && i--);
+
+		dprintk("autosearch returns: %d\n", found);
+		if (found == 0 || found == 1)
+			return 0;
+
+		dib7000p_get_frontend(fe, fep);
+	}
+
+	ret = dib7000p_tune(fe);
+
+	/* make this a config parameter */
+	if (state->version == SOC7090) {
+		dib7090_set_output_mode(fe, state->cfg.output_mode);
+		if (state->cfg.enMpegOutput == 0) {
+			dib7090_setDibTxMux(state, MPEG_ON_DIBTX);
+			dib7090_setHostBusMux(state, DIBTX_ON_HOSTBUS);
+		}
+	} else
+		dib7000p_set_output_mode(state, state->cfg.output_mode);
+
+	return ret;
+}
+
+static int dib7000p_get_stats(struct dvb_frontend *fe, enum fe_status stat);
+
+static int dib7000p_read_status(struct dvb_frontend *fe, enum fe_status *stat)
+{
+	struct dib7000p_state *state = fe->demodulator_priv;
+	u16 lock = dib7000p_read_word(state, 509);
+
+	*stat = 0;
+
+	if (lock & 0x8000)
+		*stat |= FE_HAS_SIGNAL;
+	if (lock & 0x3000)
+		*stat |= FE_HAS_CARRIER;
+	if (lock & 0x0100)
+		*stat |= FE_HAS_VITERBI;
+	if (lock & 0x0010)
+		*stat |= FE_HAS_SYNC;
+	if ((lock & 0x0038) == 0x38)
+		*stat |= FE_HAS_LOCK;
+
+	dib7000p_get_stats(fe, *stat);
+
+	return 0;
+}
+
+static int dib7000p_read_ber(struct dvb_frontend *fe, u32 * ber)
+{
+	struct dib7000p_state *state = fe->demodulator_priv;
+	*ber = (dib7000p_read_word(state, 500) << 16) | dib7000p_read_word(state, 501);
+	return 0;
+}
+
+static int dib7000p_read_unc_blocks(struct dvb_frontend *fe, u32 * unc)
+{
+	struct dib7000p_state *state = fe->demodulator_priv;
+	*unc = dib7000p_read_word(state, 506);
+	return 0;
+}
+
+static int dib7000p_read_signal_strength(struct dvb_frontend *fe, u16 * strength)
+{
+	struct dib7000p_state *state = fe->demodulator_priv;
+	u16 val = dib7000p_read_word(state, 394);
+	*strength = 65535 - val;
+	return 0;
+}
+
+static u32 dib7000p_get_snr(struct dvb_frontend *fe)
+{
+	struct dib7000p_state *state = fe->demodulator_priv;
+	u16 val;
+	s32 signal_mant, signal_exp, noise_mant, noise_exp;
+	u32 result = 0;
+
+	val = dib7000p_read_word(state, 479);
+	noise_mant = (val >> 4) & 0xff;
+	noise_exp = ((val & 0xf) << 2);
+	val = dib7000p_read_word(state, 480);
+	noise_exp += ((val >> 14) & 0x3);
+	if ((noise_exp & 0x20) != 0)
+		noise_exp -= 0x40;
+
+	signal_mant = (val >> 6) & 0xFF;
+	signal_exp = (val & 0x3F);
+	if ((signal_exp & 0x20) != 0)
+		signal_exp -= 0x40;
+
+	if (signal_mant != 0)
+		result = intlog10(2) * 10 * signal_exp + 10 * intlog10(signal_mant);
+	else
+		result = intlog10(2) * 10 * signal_exp - 100;
+
+	if (noise_mant != 0)
+		result -= intlog10(2) * 10 * noise_exp + 10 * intlog10(noise_mant);
+	else
+		result -= intlog10(2) * 10 * noise_exp - 100;
+
+	return result;
+}
+
+static int dib7000p_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+	u32 result;
+
+	result = dib7000p_get_snr(fe);
+
+	*snr = result / ((1 << 24) / 10);
+	return 0;
+}
+
+static void dib7000p_reset_stats(struct dvb_frontend *demod)
+{
+	struct dib7000p_state *state = demod->demodulator_priv;
+	struct dtv_frontend_properties *c = &demod->dtv_property_cache;
+	u32 ucb;
+
+	memset(&c->strength, 0, sizeof(c->strength));
+	memset(&c->cnr, 0, sizeof(c->cnr));
+	memset(&c->post_bit_error, 0, sizeof(c->post_bit_error));
+	memset(&c->post_bit_count, 0, sizeof(c->post_bit_count));
+	memset(&c->block_error, 0, sizeof(c->block_error));
+
+	c->strength.len = 1;
+	c->cnr.len = 1;
+	c->block_error.len = 1;
+	c->block_count.len = 1;
+	c->post_bit_error.len = 1;
+	c->post_bit_count.len = 1;
+
+	c->strength.stat[0].scale = FE_SCALE_DECIBEL;
+	c->strength.stat[0].uvalue = 0;
+
+	c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+	c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+
+	dib7000p_read_unc_blocks(demod, &ucb);
+
+	state->old_ucb = ucb;
+	state->ber_jiffies_stats = 0;
+	state->per_jiffies_stats = 0;
+}
+
+struct linear_segments {
+	unsigned x;
+	signed y;
+};
+
+/*
+ * Table to estimate signal strength in dBm.
+ * This table should be empirically determinated by measuring the signal
+ * strength generated by a RF generator directly connected into
+ * a device.
+ * This table was determinated by measuring the signal strength generated
+ * by a DTA-2111 RF generator directly connected into a dib7000p device
+ * (a Hauppauge Nova-TD stick), using a good quality 3 meters length
+ * RC6 cable and good RC6 connectors, connected directly to antenna 1.
+ * As the minimum output power of DTA-2111 is -31dBm, a 16 dBm attenuator
+ * were used, for the lower power values.
+ * The real value can actually be on other devices, or even at the
+ * second antena input, depending on several factors, like if LNA
+ * is enabled or not, if diversity is enabled, type of connectors, etc.
+ * Yet, it is better to use this measure in dB than a random non-linear
+ * percentage value, especially for antenna adjustments.
+ * On my tests, the precision of the measure using this table is about
+ * 0.5 dB, with sounds reasonable enough to adjust antennas.
+ */
+#define DB_OFFSET 131000
+
+static struct linear_segments strength_to_db_table[] = {
+	{ 63630, DB_OFFSET - 20500},
+	{ 62273, DB_OFFSET - 21000},
+	{ 60162, DB_OFFSET - 22000},
+	{ 58730, DB_OFFSET - 23000},
+	{ 58294, DB_OFFSET - 24000},
+	{ 57778, DB_OFFSET - 25000},
+	{ 57320, DB_OFFSET - 26000},
+	{ 56779, DB_OFFSET - 27000},
+	{ 56293, DB_OFFSET - 28000},
+	{ 55724, DB_OFFSET - 29000},
+	{ 55145, DB_OFFSET - 30000},
+	{ 54680, DB_OFFSET - 31000},
+	{ 54293, DB_OFFSET - 32000},
+	{ 53813, DB_OFFSET - 33000},
+	{ 53427, DB_OFFSET - 34000},
+	{ 52981, DB_OFFSET - 35000},
+
+	{ 52636, DB_OFFSET - 36000},
+	{ 52014, DB_OFFSET - 37000},
+	{ 51674, DB_OFFSET - 38000},
+	{ 50692, DB_OFFSET - 39000},
+	{ 49824, DB_OFFSET - 40000},
+	{ 49052, DB_OFFSET - 41000},
+	{ 48436, DB_OFFSET - 42000},
+	{ 47836, DB_OFFSET - 43000},
+	{ 47368, DB_OFFSET - 44000},
+	{ 46468, DB_OFFSET - 45000},
+	{ 45597, DB_OFFSET - 46000},
+	{ 44586, DB_OFFSET - 47000},
+	{ 43667, DB_OFFSET - 48000},
+	{ 42673, DB_OFFSET - 49000},
+	{ 41816, DB_OFFSET - 50000},
+	{ 40876, DB_OFFSET - 51000},
+	{     0,      0},
+};
+
+static u32 interpolate_value(u32 value, struct linear_segments *segments,
+			     unsigned len)
+{
+	u64 tmp64;
+	u32 dx;
+	s32 dy;
+	int i, ret;
+
+	if (value >= segments[0].x)
+		return segments[0].y;
+	if (value < segments[len-1].x)
+		return segments[len-1].y;
+
+	for (i = 1; i < len - 1; i++) {
+		/* If value is identical, no need to interpolate */
+		if (value == segments[i].x)
+			return segments[i].y;
+		if (value > segments[i].x)
+			break;
+	}
+
+	/* Linear interpolation between the two (x,y) points */
+	dy = segments[i - 1].y - segments[i].y;
+	dx = segments[i - 1].x - segments[i].x;
+
+	tmp64 = value - segments[i].x;
+	tmp64 *= dy;
+	do_div(tmp64, dx);
+	ret = segments[i].y + tmp64;
+
+	return ret;
+}
+
+/* FIXME: may require changes - this one was borrowed from dib8000 */
+static u32 dib7000p_get_time_us(struct dvb_frontend *demod)
+{
+	struct dtv_frontend_properties *c = &demod->dtv_property_cache;
+	u64 time_us, tmp64;
+	u32 tmp, denom;
+	int guard, rate_num, rate_denum = 1, bits_per_symbol;
+	int interleaving = 0, fft_div;
+
+	switch (c->guard_interval) {
+	case GUARD_INTERVAL_1_4:
+		guard = 4;
+		break;
+	case GUARD_INTERVAL_1_8:
+		guard = 8;
+		break;
+	case GUARD_INTERVAL_1_16:
+		guard = 16;
+		break;
+	default:
+	case GUARD_INTERVAL_1_32:
+		guard = 32;
+		break;
+	}
+
+	switch (c->transmission_mode) {
+	case TRANSMISSION_MODE_2K:
+		fft_div = 4;
+		break;
+	case TRANSMISSION_MODE_4K:
+		fft_div = 2;
+		break;
+	default:
+	case TRANSMISSION_MODE_8K:
+		fft_div = 1;
+		break;
+	}
+
+	switch (c->modulation) {
+	case DQPSK:
+	case QPSK:
+		bits_per_symbol = 2;
+		break;
+	case QAM_16:
+		bits_per_symbol = 4;
+		break;
+	default:
+	case QAM_64:
+		bits_per_symbol = 6;
+		break;
+	}
+
+	switch ((c->hierarchy == 0 || 1 == 1) ? c->code_rate_HP : c->code_rate_LP) {
+	case FEC_1_2:
+		rate_num = 1;
+		rate_denum = 2;
+		break;
+	case FEC_2_3:
+		rate_num = 2;
+		rate_denum = 3;
+		break;
+	case FEC_3_4:
+		rate_num = 3;
+		rate_denum = 4;
+		break;
+	case FEC_5_6:
+		rate_num = 5;
+		rate_denum = 6;
+		break;
+	default:
+	case FEC_7_8:
+		rate_num = 7;
+		rate_denum = 8;
+		break;
+	}
+
+	denom = bits_per_symbol * rate_num * fft_div * 384;
+
+	/*
+	 * FIXME: check if the math makes sense. If so, fill the
+	 * interleaving var.
+	 */
+
+	/* If calculus gets wrong, wait for 1s for the next stats */
+	if (!denom)
+		return 0;
+
+	/* Estimate the period for the total bit rate */
+	time_us = rate_denum * (1008 * 1562500L);
+	tmp64 = time_us;
+	do_div(tmp64, guard);
+	time_us = time_us + tmp64;
+	time_us += denom / 2;
+	do_div(time_us, denom);
+
+	tmp = 1008 * 96 * interleaving;
+	time_us += tmp + tmp / guard;
+
+	return time_us;
+}
+
+static int dib7000p_get_stats(struct dvb_frontend *demod, enum fe_status stat)
+{
+	struct dib7000p_state *state = demod->demodulator_priv;
+	struct dtv_frontend_properties *c = &demod->dtv_property_cache;
+	int show_per_stats = 0;
+	u32 time_us = 0, val, snr;
+	u64 blocks, ucb;
+	s32 db;
+	u16 strength;
+
+	/* Get Signal strength */
+	dib7000p_read_signal_strength(demod, &strength);
+	val = strength;
+	db = interpolate_value(val,
+			       strength_to_db_table,
+			       ARRAY_SIZE(strength_to_db_table)) - DB_OFFSET;
+	c->strength.stat[0].svalue = db;
+
+	/* UCB/BER/CNR measures require lock */
+	if (!(stat & FE_HAS_LOCK)) {
+		c->cnr.len = 1;
+		c->block_count.len = 1;
+		c->block_error.len = 1;
+		c->post_bit_error.len = 1;
+		c->post_bit_count.len = 1;
+		c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+		c->post_bit_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+		c->post_bit_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+		c->block_error.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+		c->block_count.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+		return 0;
+	}
+
+	/* Check if time for stats was elapsed */
+	if (time_after(jiffies, state->per_jiffies_stats)) {
+		state->per_jiffies_stats = jiffies + msecs_to_jiffies(1000);
+
+		/* Get SNR */
+		snr = dib7000p_get_snr(demod);
+		if (snr)
+			snr = (1000L * snr) >> 24;
+		else
+			snr = 0;
+		c->cnr.stat[0].svalue = snr;
+		c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+
+		/* Get UCB measures */
+		dib7000p_read_unc_blocks(demod, &val);
+		ucb = val - state->old_ucb;
+		if (val < state->old_ucb)
+			ucb += 0x100000000LL;
+
+		c->block_error.stat[0].scale = FE_SCALE_COUNTER;
+		c->block_error.stat[0].uvalue = ucb;
+
+		/* Estimate the number of packets based on bitrate */
+		if (!time_us)
+			time_us = dib7000p_get_time_us(demod);
+
+		if (time_us) {
+			blocks = 1250000ULL * 1000000ULL;
+			do_div(blocks, time_us * 8 * 204);
+			c->block_count.stat[0].scale = FE_SCALE_COUNTER;
+			c->block_count.stat[0].uvalue += blocks;
+		}
+
+		show_per_stats = 1;
+	}
+
+	/* Get post-BER measures */
+	if (time_after(jiffies, state->ber_jiffies_stats)) {
+		time_us = dib7000p_get_time_us(demod);
+		state->ber_jiffies_stats = jiffies + msecs_to_jiffies((time_us + 500) / 1000);
+
+		dprintk("Next all layers stats available in %u us.\n", time_us);
+
+		dib7000p_read_ber(demod, &val);
+		c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+		c->post_bit_error.stat[0].uvalue += val;
+
+		c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+		c->post_bit_count.stat[0].uvalue += 100000000;
+	}
+
+	/* Get PER measures */
+	if (show_per_stats) {
+		dib7000p_read_unc_blocks(demod, &val);
+
+		c->block_error.stat[0].scale = FE_SCALE_COUNTER;
+		c->block_error.stat[0].uvalue += val;
+
+		time_us = dib7000p_get_time_us(demod);
+		if (time_us) {
+			blocks = 1250000ULL * 1000000ULL;
+			do_div(blocks, time_us * 8 * 204);
+			c->block_count.stat[0].scale = FE_SCALE_COUNTER;
+			c->block_count.stat[0].uvalue += blocks;
+		}
+	}
+	return 0;
+}
+
+static int dib7000p_fe_get_tune_settings(struct dvb_frontend *fe, struct dvb_frontend_tune_settings *tune)
+{
+	tune->min_delay_ms = 1000;
+	return 0;
+}
+
+static void dib7000p_release(struct dvb_frontend *demod)
+{
+	struct dib7000p_state *st = demod->demodulator_priv;
+	dibx000_exit_i2c_master(&st->i2c_master);
+	i2c_del_adapter(&st->dib7090_tuner_adap);
+	kfree(st);
+}
+
+static int dib7000pc_detection(struct i2c_adapter *i2c_adap)
+{
+	u8 *tx, *rx;
+	struct i2c_msg msg[2] = {
+		{.addr = 18 >> 1, .flags = 0, .len = 2},
+		{.addr = 18 >> 1, .flags = I2C_M_RD, .len = 2},
+	};
+	int ret = 0;
+
+	tx = kzalloc(2, GFP_KERNEL);
+	if (!tx)
+		return -ENOMEM;
+	rx = kzalloc(2, GFP_KERNEL);
+	if (!rx) {
+		ret = -ENOMEM;
+		goto rx_memory_error;
+	}
+
+	msg[0].buf = tx;
+	msg[1].buf = rx;
+
+	tx[0] = 0x03;
+	tx[1] = 0x00;
+
+	if (i2c_transfer(i2c_adap, msg, 2) == 2)
+		if (rx[0] == 0x01 && rx[1] == 0xb3) {
+			dprintk("-D-  DiB7000PC detected\n");
+			ret = 1;
+			goto out;
+		}
+
+	msg[0].addr = msg[1].addr = 0x40;
+
+	if (i2c_transfer(i2c_adap, msg, 2) == 2)
+		if (rx[0] == 0x01 && rx[1] == 0xb3) {
+			dprintk("-D-  DiB7000PC detected\n");
+			ret = 1;
+			goto out;
+		}
+
+	dprintk("-D-  DiB7000PC not detected\n");
+
+out:
+	kfree(rx);
+rx_memory_error:
+	kfree(tx);
+	return ret;
+}
+
+static struct i2c_adapter *dib7000p_get_i2c_master(struct dvb_frontend *demod, enum dibx000_i2c_interface intf, int gating)
+{
+	struct dib7000p_state *st = demod->demodulator_priv;
+	return dibx000_get_i2c_adapter(&st->i2c_master, intf, gating);
+}
+
+static int dib7000p_pid_filter_ctrl(struct dvb_frontend *fe, u8 onoff)
+{
+	struct dib7000p_state *state = fe->demodulator_priv;
+	u16 val = dib7000p_read_word(state, 235) & 0xffef;
+	val |= (onoff & 0x1) << 4;
+	dprintk("PID filter enabled %d\n", onoff);
+	return dib7000p_write_word(state, 235, val);
+}
+
+static int dib7000p_pid_filter(struct dvb_frontend *fe, u8 id, u16 pid, u8 onoff)
+{
+	struct dib7000p_state *state = fe->demodulator_priv;
+	dprintk("PID filter: index %x, PID %d, OnOff %d\n", id, pid, onoff);
+	return dib7000p_write_word(state, 241 + id, onoff ? (1 << 13) | pid : 0);
+}
+
+static int dib7000p_i2c_enumeration(struct i2c_adapter *i2c, int no_of_demods, u8 default_addr, struct dib7000p_config cfg[])
+{
+	struct dib7000p_state *dpst;
+	int k = 0;
+	u8 new_addr = 0;
+
+	dpst = kzalloc(sizeof(struct dib7000p_state), GFP_KERNEL);
+	if (!dpst)
+		return -ENOMEM;
+
+	dpst->i2c_adap = i2c;
+	mutex_init(&dpst->i2c_buffer_lock);
+
+	for (k = no_of_demods - 1; k >= 0; k--) {
+		dpst->cfg = cfg[k];
+
+		/* designated i2c address */
+		if (cfg[k].default_i2c_addr != 0)
+			new_addr = cfg[k].default_i2c_addr + (k << 1);
+		else
+			new_addr = (0x40 + k) << 1;
+		dpst->i2c_addr = new_addr;
+		dib7000p_write_word(dpst, 1287, 0x0003);	/* sram lead in, rdy */
+		if (dib7000p_identify(dpst) != 0) {
+			dpst->i2c_addr = default_addr;
+			dib7000p_write_word(dpst, 1287, 0x0003);	/* sram lead in, rdy */
+			if (dib7000p_identify(dpst) != 0) {
+				dprintk("DiB7000P #%d: not identified\n", k);
+				kfree(dpst);
+				return -EIO;
+			}
+		}
+
+		/* start diversity to pull_down div_str - just for i2c-enumeration */
+		dib7000p_set_output_mode(dpst, OUTMODE_DIVERSITY);
+
+		/* set new i2c address and force divstart */
+		dib7000p_write_word(dpst, 1285, (new_addr << 2) | 0x2);
+
+		dprintk("IC %d initialized (to i2c_address 0x%x)\n", k, new_addr);
+	}
+
+	for (k = 0; k < no_of_demods; k++) {
+		dpst->cfg = cfg[k];
+		if (cfg[k].default_i2c_addr != 0)
+			dpst->i2c_addr = (cfg[k].default_i2c_addr + k) << 1;
+		else
+			dpst->i2c_addr = (0x40 + k) << 1;
+
+		// unforce divstr
+		dib7000p_write_word(dpst, 1285, dpst->i2c_addr << 2);
+
+		/* deactivate div - it was just for i2c-enumeration */
+		dib7000p_set_output_mode(dpst, OUTMODE_HIGH_Z);
+	}
+
+	kfree(dpst);
+	return 0;
+}
+
+static const s32 lut_1000ln_mant[] = {
+	6908, 6956, 7003, 7047, 7090, 7131, 7170, 7208, 7244, 7279, 7313, 7346, 7377, 7408, 7438, 7467, 7495, 7523, 7549, 7575, 7600
+};
+
+static s32 dib7000p_get_adc_power(struct dvb_frontend *fe)
+{
+	struct dib7000p_state *state = fe->demodulator_priv;
+	u32 tmp_val = 0, exp = 0, mant = 0;
+	s32 pow_i;
+	u16 buf[2];
+	u8 ix = 0;
+
+	buf[0] = dib7000p_read_word(state, 0x184);
+	buf[1] = dib7000p_read_word(state, 0x185);
+	pow_i = (buf[0] << 16) | buf[1];
+	dprintk("raw pow_i = %d\n", pow_i);
+
+	tmp_val = pow_i;
+	while (tmp_val >>= 1)
+		exp++;
+
+	mant = (pow_i * 1000 / (1 << exp));
+	dprintk(" mant = %d exp = %d\n", mant / 1000, exp);
+
+	ix = (u8) ((mant - 1000) / 100);	/* index of the LUT */
+	dprintk(" ix = %d\n", ix);
+
+	pow_i = (lut_1000ln_mant[ix] + 693 * (exp - 20) - 6908);
+	pow_i = (pow_i << 8) / 1000;
+	dprintk(" pow_i = %d\n", pow_i);
+
+	return pow_i;
+}
+
+static int map_addr_to_serpar_number(struct i2c_msg *msg)
+{
+	if ((msg->buf[0] <= 15))
+		msg->buf[0] -= 1;
+	else if (msg->buf[0] == 17)
+		msg->buf[0] = 15;
+	else if (msg->buf[0] == 16)
+		msg->buf[0] = 17;
+	else if (msg->buf[0] == 19)
+		msg->buf[0] = 16;
+	else if (msg->buf[0] >= 21 && msg->buf[0] <= 25)
+		msg->buf[0] -= 3;
+	else if (msg->buf[0] == 28)
+		msg->buf[0] = 23;
+	else
+		return -EINVAL;
+	return 0;
+}
+
+static int w7090p_tuner_write_serpar(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num)
+{
+	struct dib7000p_state *state = i2c_get_adapdata(i2c_adap);
+	u8 n_overflow = 1;
+	u16 i = 1000;
+	u16 serpar_num = msg[0].buf[0];
+
+	while (n_overflow == 1 && i) {
+		n_overflow = (dib7000p_read_word(state, 1984) >> 1) & 0x1;
+		i--;
+		if (i == 0)
+			dprintk("Tuner ITF: write busy (overflow)\n");
+	}
+	dib7000p_write_word(state, 1985, (1 << 6) | (serpar_num & 0x3f));
+	dib7000p_write_word(state, 1986, (msg[0].buf[1] << 8) | msg[0].buf[2]);
+
+	return num;
+}
+
+static int w7090p_tuner_read_serpar(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num)
+{
+	struct dib7000p_state *state = i2c_get_adapdata(i2c_adap);
+	u8 n_overflow = 1, n_empty = 1;
+	u16 i = 1000;
+	u16 serpar_num = msg[0].buf[0];
+	u16 read_word;
+
+	while (n_overflow == 1 && i) {
+		n_overflow = (dib7000p_read_word(state, 1984) >> 1) & 0x1;
+		i--;
+		if (i == 0)
+			dprintk("TunerITF: read busy (overflow)\n");
+	}
+	dib7000p_write_word(state, 1985, (0 << 6) | (serpar_num & 0x3f));
+
+	i = 1000;
+	while (n_empty == 1 && i) {
+		n_empty = dib7000p_read_word(state, 1984) & 0x1;
+		i--;
+		if (i == 0)
+			dprintk("TunerITF: read busy (empty)\n");
+	}
+	read_word = dib7000p_read_word(state, 1987);
+	msg[1].buf[0] = (read_word >> 8) & 0xff;
+	msg[1].buf[1] = (read_word) & 0xff;
+
+	return num;
+}
+
+static int w7090p_tuner_rw_serpar(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num)
+{
+	if (map_addr_to_serpar_number(&msg[0]) == 0) {	/* else = Tuner regs to ignore : DIG_CFG, CTRL_RF_LT, PLL_CFG, PWM1_REG, ADCCLK, DIG_CFG_3; SLEEP_EN... */
+		if (num == 1) {	/* write */
+			return w7090p_tuner_write_serpar(i2c_adap, msg, 1);
+		} else {	/* read */
+			return w7090p_tuner_read_serpar(i2c_adap, msg, 2);
+		}
+	}
+	return num;
+}
+
+static int dib7090p_rw_on_apb(struct i2c_adapter *i2c_adap,
+		struct i2c_msg msg[], int num, u16 apb_address)
+{
+	struct dib7000p_state *state = i2c_get_adapdata(i2c_adap);
+	u16 word;
+
+	if (num == 1) {		/* write */
+		dib7000p_write_word(state, apb_address, ((msg[0].buf[1] << 8) | (msg[0].buf[2])));
+	} else {
+		word = dib7000p_read_word(state, apb_address);
+		msg[1].buf[0] = (word >> 8) & 0xff;
+		msg[1].buf[1] = (word) & 0xff;
+	}
+
+	return num;
+}
+
+static int dib7090_tuner_xfer(struct i2c_adapter *i2c_adap, struct i2c_msg msg[], int num)
+{
+	struct dib7000p_state *state = i2c_get_adapdata(i2c_adap);
+
+	u16 apb_address = 0, word;
+	int i = 0;
+	switch (msg[0].buf[0]) {
+	case 0x12:
+		apb_address = 1920;
+		break;
+	case 0x14:
+		apb_address = 1921;
+		break;
+	case 0x24:
+		apb_address = 1922;
+		break;
+	case 0x1a:
+		apb_address = 1923;
+		break;
+	case 0x22:
+		apb_address = 1924;
+		break;
+	case 0x33:
+		apb_address = 1926;
+		break;
+	case 0x34:
+		apb_address = 1927;
+		break;
+	case 0x35:
+		apb_address = 1928;
+		break;
+	case 0x36:
+		apb_address = 1929;
+		break;
+	case 0x37:
+		apb_address = 1930;
+		break;
+	case 0x38:
+		apb_address = 1931;
+		break;
+	case 0x39:
+		apb_address = 1932;
+		break;
+	case 0x2a:
+		apb_address = 1935;
+		break;
+	case 0x2b:
+		apb_address = 1936;
+		break;
+	case 0x2c:
+		apb_address = 1937;
+		break;
+	case 0x2d:
+		apb_address = 1938;
+		break;
+	case 0x2e:
+		apb_address = 1939;
+		break;
+	case 0x2f:
+		apb_address = 1940;
+		break;
+	case 0x30:
+		apb_address = 1941;
+		break;
+	case 0x31:
+		apb_address = 1942;
+		break;
+	case 0x32:
+		apb_address = 1943;
+		break;
+	case 0x3e:
+		apb_address = 1944;
+		break;
+	case 0x3f:
+		apb_address = 1945;
+		break;
+	case 0x40:
+		apb_address = 1948;
+		break;
+	case 0x25:
+		apb_address = 914;
+		break;
+	case 0x26:
+		apb_address = 915;
+		break;
+	case 0x27:
+		apb_address = 917;
+		break;
+	case 0x28:
+		apb_address = 916;
+		break;
+	case 0x1d:
+		i = ((dib7000p_read_word(state, 72) >> 12) & 0x3);
+		word = dib7000p_read_word(state, 384 + i);
+		msg[1].buf[0] = (word >> 8) & 0xff;
+		msg[1].buf[1] = (word) & 0xff;
+		return num;
+	case 0x1f:
+		if (num == 1) {	/* write */
+			word = (u16) ((msg[0].buf[1] << 8) | msg[0].buf[2]);
+			word &= 0x3;
+			word = (dib7000p_read_word(state, 72) & ~(3 << 12)) | (word << 12);
+			dib7000p_write_word(state, 72, word);	/* Set the proper input */
+			return num;
+		}
+	}
+
+	if (apb_address != 0)	/* R/W access via APB */
+		return dib7090p_rw_on_apb(i2c_adap, msg, num, apb_address);
+	else			/* R/W access via SERPAR  */
+		return w7090p_tuner_rw_serpar(i2c_adap, msg, num);
+
+	return 0;
+}
+
+static u32 dib7000p_i2c_func(struct i2c_adapter *adapter)
+{
+	return I2C_FUNC_I2C;
+}
+
+static const struct i2c_algorithm dib7090_tuner_xfer_algo = {
+	.master_xfer = dib7090_tuner_xfer,
+	.functionality = dib7000p_i2c_func,
+};
+
+static struct i2c_adapter *dib7090_get_i2c_tuner(struct dvb_frontend *fe)
+{
+	struct dib7000p_state *st = fe->demodulator_priv;
+	return &st->dib7090_tuner_adap;
+}
+
+static int dib7090_host_bus_drive(struct dib7000p_state *state, u8 drive)
+{
+	u16 reg;
+
+	/* drive host bus 2, 3, 4 */
+	reg = dib7000p_read_word(state, 1798) & ~((0x7) | (0x7 << 6) | (0x7 << 12));
+	reg |= (drive << 12) | (drive << 6) | drive;
+	dib7000p_write_word(state, 1798, reg);
+
+	/* drive host bus 5,6 */
+	reg = dib7000p_read_word(state, 1799) & ~((0x7 << 2) | (0x7 << 8));
+	reg |= (drive << 8) | (drive << 2);
+	dib7000p_write_word(state, 1799, reg);
+
+	/* drive host bus 7, 8, 9 */
+	reg = dib7000p_read_word(state, 1800) & ~((0x7) | (0x7 << 6) | (0x7 << 12));
+	reg |= (drive << 12) | (drive << 6) | drive;
+	dib7000p_write_word(state, 1800, reg);
+
+	/* drive host bus 10, 11 */
+	reg = dib7000p_read_word(state, 1801) & ~((0x7 << 2) | (0x7 << 8));
+	reg |= (drive << 8) | (drive << 2);
+	dib7000p_write_word(state, 1801, reg);
+
+	/* drive host bus 12, 13, 14 */
+	reg = dib7000p_read_word(state, 1802) & ~((0x7) | (0x7 << 6) | (0x7 << 12));
+	reg |= (drive << 12) | (drive << 6) | drive;
+	dib7000p_write_word(state, 1802, reg);
+
+	return 0;
+}
+
+static u32 dib7090_calcSyncFreq(u32 P_Kin, u32 P_Kout, u32 insertExtSynchro, u32 syncSize)
+{
+	u32 quantif = 3;
+	u32 nom = (insertExtSynchro * P_Kin + syncSize);
+	u32 denom = P_Kout;
+	u32 syncFreq = ((nom << quantif) / denom);
+
+	if ((syncFreq & ((1 << quantif) - 1)) != 0)
+		syncFreq = (syncFreq >> quantif) + 1;
+	else
+		syncFreq = (syncFreq >> quantif);
+
+	if (syncFreq != 0)
+		syncFreq = syncFreq - 1;
+
+	return syncFreq;
+}
+
+static int dib7090_cfg_DibTx(struct dib7000p_state *state, u32 P_Kin, u32 P_Kout, u32 insertExtSynchro, u32 synchroMode, u32 syncWord, u32 syncSize)
+{
+	dprintk("Configure DibStream Tx\n");
+
+	dib7000p_write_word(state, 1615, 1);
+	dib7000p_write_word(state, 1603, P_Kin);
+	dib7000p_write_word(state, 1605, P_Kout);
+	dib7000p_write_word(state, 1606, insertExtSynchro);
+	dib7000p_write_word(state, 1608, synchroMode);
+	dib7000p_write_word(state, 1609, (syncWord >> 16) & 0xffff);
+	dib7000p_write_word(state, 1610, syncWord & 0xffff);
+	dib7000p_write_word(state, 1612, syncSize);
+	dib7000p_write_word(state, 1615, 0);
+
+	return 0;
+}
+
+static int dib7090_cfg_DibRx(struct dib7000p_state *state, u32 P_Kin, u32 P_Kout, u32 synchroMode, u32 insertExtSynchro, u32 syncWord, u32 syncSize,
+		u32 dataOutRate)
+{
+	u32 syncFreq;
+
+	dprintk("Configure DibStream Rx\n");
+	if ((P_Kin != 0) && (P_Kout != 0)) {
+		syncFreq = dib7090_calcSyncFreq(P_Kin, P_Kout, insertExtSynchro, syncSize);
+		dib7000p_write_word(state, 1542, syncFreq);
+	}
+	dib7000p_write_word(state, 1554, 1);
+	dib7000p_write_word(state, 1536, P_Kin);
+	dib7000p_write_word(state, 1537, P_Kout);
+	dib7000p_write_word(state, 1539, synchroMode);
+	dib7000p_write_word(state, 1540, (syncWord >> 16) & 0xffff);
+	dib7000p_write_word(state, 1541, syncWord & 0xffff);
+	dib7000p_write_word(state, 1543, syncSize);
+	dib7000p_write_word(state, 1544, dataOutRate);
+	dib7000p_write_word(state, 1554, 0);
+
+	return 0;
+}
+
+static void dib7090_enMpegMux(struct dib7000p_state *state, int onoff)
+{
+	u16 reg_1287 = dib7000p_read_word(state, 1287);
+
+	switch (onoff) {
+	case 1:
+			reg_1287 &= ~(1<<7);
+			break;
+	case 0:
+			reg_1287 |= (1<<7);
+			break;
+	}
+
+	dib7000p_write_word(state, 1287, reg_1287);
+}
+
+static void dib7090_configMpegMux(struct dib7000p_state *state,
+		u16 pulseWidth, u16 enSerialMode, u16 enSerialClkDiv2)
+{
+	dprintk("Enable Mpeg mux\n");
+
+	dib7090_enMpegMux(state, 0);
+
+	/* If the input mode is MPEG do not divide the serial clock */
+	if ((enSerialMode == 1) && (state->input_mode_mpeg == 1))
+		enSerialClkDiv2 = 0;
+
+	dib7000p_write_word(state, 1287, ((pulseWidth & 0x1f) << 2)
+			| ((enSerialMode & 0x1) << 1)
+			| (enSerialClkDiv2 & 0x1));
+
+	dib7090_enMpegMux(state, 1);
+}
+
+static void dib7090_setDibTxMux(struct dib7000p_state *state, int mode)
+{
+	u16 reg_1288 = dib7000p_read_word(state, 1288) & ~(0x7 << 7);
+
+	switch (mode) {
+	case MPEG_ON_DIBTX:
+			dprintk("SET MPEG ON DIBSTREAM TX\n");
+			dib7090_cfg_DibTx(state, 8, 5, 0, 0, 0, 0);
+			reg_1288 |= (1<<9);
+			break;
+	case DIV_ON_DIBTX:
+			dprintk("SET DIV_OUT ON DIBSTREAM TX\n");
+			dib7090_cfg_DibTx(state, 5, 5, 0, 0, 0, 0);
+			reg_1288 |= (1<<8);
+			break;
+	case ADC_ON_DIBTX:
+			dprintk("SET ADC_OUT ON DIBSTREAM TX\n");
+			dib7090_cfg_DibTx(state, 20, 5, 10, 0, 0, 0);
+			reg_1288 |= (1<<7);
+			break;
+	default:
+			break;
+	}
+	dib7000p_write_word(state, 1288, reg_1288);
+}
+
+static void dib7090_setHostBusMux(struct dib7000p_state *state, int mode)
+{
+	u16 reg_1288 = dib7000p_read_word(state, 1288) & ~(0x7 << 4);
+
+	switch (mode) {
+	case DEMOUT_ON_HOSTBUS:
+			dprintk("SET DEM OUT OLD INTERF ON HOST BUS\n");
+			dib7090_enMpegMux(state, 0);
+			reg_1288 |= (1<<6);
+			break;
+	case DIBTX_ON_HOSTBUS:
+			dprintk("SET DIBSTREAM TX ON HOST BUS\n");
+			dib7090_enMpegMux(state, 0);
+			reg_1288 |= (1<<5);
+			break;
+	case MPEG_ON_HOSTBUS:
+			dprintk("SET MPEG MUX ON HOST BUS\n");
+			reg_1288 |= (1<<4);
+			break;
+	default:
+			break;
+	}
+	dib7000p_write_word(state, 1288, reg_1288);
+}
+
+static int dib7090_set_diversity_in(struct dvb_frontend *fe, int onoff)
+{
+	struct dib7000p_state *state = fe->demodulator_priv;
+	u16 reg_1287;
+
+	switch (onoff) {
+	case 0: /* only use the internal way - not the diversity input */
+			dprintk("%s mode OFF : by default Enable Mpeg INPUT\n", __func__);
+			dib7090_cfg_DibRx(state, 8, 5, 0, 0, 0, 8, 0);
+
+			/* Do not divide the serial clock of MPEG MUX */
+			/* in SERIAL MODE in case input mode MPEG is used */
+			reg_1287 = dib7000p_read_word(state, 1287);
+			/* enSerialClkDiv2 == 1 ? */
+			if ((reg_1287 & 0x1) == 1) {
+				/* force enSerialClkDiv2 = 0 */
+				reg_1287 &= ~0x1;
+				dib7000p_write_word(state, 1287, reg_1287);
+			}
+			state->input_mode_mpeg = 1;
+			break;
+	case 1: /* both ways */
+	case 2: /* only the diversity input */
+			dprintk("%s ON : Enable diversity INPUT\n", __func__);
+			dib7090_cfg_DibRx(state, 5, 5, 0, 0, 0, 0, 0);
+			state->input_mode_mpeg = 0;
+			break;
+	}
+
+	dib7000p_set_diversity_in(&state->demod, onoff);
+	return 0;
+}
+
+static int dib7090_set_output_mode(struct dvb_frontend *fe, int mode)
+{
+	struct dib7000p_state *state = fe->demodulator_priv;
+
+	u16 outreg, smo_mode, fifo_threshold;
+	u8 prefer_mpeg_mux_use = 1;
+	int ret = 0;
+
+	dib7090_host_bus_drive(state, 1);
+
+	fifo_threshold = 1792;
+	smo_mode = (dib7000p_read_word(state, 235) & 0x0050) | (1 << 1);
+	outreg = dib7000p_read_word(state, 1286) & ~((1 << 10) | (0x7 << 6) | (1 << 1));
+
+	switch (mode) {
+	case OUTMODE_HIGH_Z:
+		outreg = 0;
+		break;
+
+	case OUTMODE_MPEG2_SERIAL:
+		if (prefer_mpeg_mux_use) {
+			dprintk("setting output mode TS_SERIAL using Mpeg Mux\n");
+			dib7090_configMpegMux(state, 3, 1, 1);
+			dib7090_setHostBusMux(state, MPEG_ON_HOSTBUS);
+		} else {/* Use Smooth block */
+			dprintk("setting output mode TS_SERIAL using Smooth bloc\n");
+			dib7090_setHostBusMux(state, DEMOUT_ON_HOSTBUS);
+			outreg |= (2<<6) | (0 << 1);
+		}
+		break;
+
+	case OUTMODE_MPEG2_PAR_GATED_CLK:
+		if (prefer_mpeg_mux_use) {
+			dprintk("setting output mode TS_PARALLEL_GATED using Mpeg Mux\n");
+			dib7090_configMpegMux(state, 2, 0, 0);
+			dib7090_setHostBusMux(state, MPEG_ON_HOSTBUS);
+		} else { /* Use Smooth block */
+			dprintk("setting output mode TS_PARALLEL_GATED using Smooth block\n");
+			dib7090_setHostBusMux(state, DEMOUT_ON_HOSTBUS);
+			outreg |= (0<<6);
+		}
+		break;
+
+	case OUTMODE_MPEG2_PAR_CONT_CLK:	/* Using Smooth block only */
+		dprintk("setting output mode TS_PARALLEL_CONT using Smooth block\n");
+		dib7090_setHostBusMux(state, DEMOUT_ON_HOSTBUS);
+		outreg |= (1<<6);
+		break;
+
+	case OUTMODE_MPEG2_FIFO:	/* Using Smooth block because not supported by new Mpeg Mux bloc */
+		dprintk("setting output mode TS_FIFO using Smooth block\n");
+		dib7090_setHostBusMux(state, DEMOUT_ON_HOSTBUS);
+		outreg |= (5<<6);
+		smo_mode |= (3 << 1);
+		fifo_threshold = 512;
+		break;
+
+	case OUTMODE_DIVERSITY:
+		dprintk("setting output mode MODE_DIVERSITY\n");
+		dib7090_setDibTxMux(state, DIV_ON_DIBTX);
+		dib7090_setHostBusMux(state, DIBTX_ON_HOSTBUS);
+		break;
+
+	case OUTMODE_ANALOG_ADC:
+		dprintk("setting output mode MODE_ANALOG_ADC\n");
+		dib7090_setDibTxMux(state, ADC_ON_DIBTX);
+		dib7090_setHostBusMux(state, DIBTX_ON_HOSTBUS);
+		break;
+	}
+	if (mode != OUTMODE_HIGH_Z)
+		outreg |= (1 << 10);
+
+	if (state->cfg.output_mpeg2_in_188_bytes)
+		smo_mode |= (1 << 5);
+
+	ret |= dib7000p_write_word(state, 235, smo_mode);
+	ret |= dib7000p_write_word(state, 236, fifo_threshold);	/* synchronous fread */
+	ret |= dib7000p_write_word(state, 1286, outreg);
+
+	return ret;
+}
+
+static int dib7090_tuner_sleep(struct dvb_frontend *fe, int onoff)
+{
+	struct dib7000p_state *state = fe->demodulator_priv;
+	u16 en_cur_state;
+
+	dprintk("sleep dib7090: %d\n", onoff);
+
+	en_cur_state = dib7000p_read_word(state, 1922);
+
+	if (en_cur_state > 0xff)
+		state->tuner_enable = en_cur_state;
+
+	if (onoff)
+		en_cur_state &= 0x00ff;
+	else {
+		if (state->tuner_enable != 0)
+			en_cur_state = state->tuner_enable;
+	}
+
+	dib7000p_write_word(state, 1922, en_cur_state);
+
+	return 0;
+}
+
+static int dib7090_get_adc_power(struct dvb_frontend *fe)
+{
+	return dib7000p_get_adc_power(fe);
+}
+
+static int dib7090_slave_reset(struct dvb_frontend *fe)
+{
+	struct dib7000p_state *state = fe->demodulator_priv;
+	u16 reg;
+
+	reg = dib7000p_read_word(state, 1794);
+	dib7000p_write_word(state, 1794, reg | (4 << 12));
+
+	dib7000p_write_word(state, 1032, 0xffff);
+	return 0;
+}
+
+static const struct dvb_frontend_ops dib7000p_ops;
+static struct dvb_frontend *dib7000p_init(struct i2c_adapter *i2c_adap, u8 i2c_addr, struct dib7000p_config *cfg)
+{
+	struct dvb_frontend *demod;
+	struct dib7000p_state *st;
+	st = kzalloc(sizeof(struct dib7000p_state), GFP_KERNEL);
+	if (st == NULL)
+		return NULL;
+
+	memcpy(&st->cfg, cfg, sizeof(struct dib7000p_config));
+	st->i2c_adap = i2c_adap;
+	st->i2c_addr = i2c_addr;
+	st->gpio_val = cfg->gpio_val;
+	st->gpio_dir = cfg->gpio_dir;
+
+	/* Ensure the output mode remains at the previous default if it's
+	 * not specifically set by the caller.
+	 */
+	if ((st->cfg.output_mode != OUTMODE_MPEG2_SERIAL) && (st->cfg.output_mode != OUTMODE_MPEG2_PAR_GATED_CLK))
+		st->cfg.output_mode = OUTMODE_MPEG2_FIFO;
+
+	demod = &st->demod;
+	demod->demodulator_priv = st;
+	memcpy(&st->demod.ops, &dib7000p_ops, sizeof(struct dvb_frontend_ops));
+	mutex_init(&st->i2c_buffer_lock);
+
+	dib7000p_write_word(st, 1287, 0x0003);	/* sram lead in, rdy */
+
+	if (dib7000p_identify(st) != 0)
+		goto error;
+
+	st->version = dib7000p_read_word(st, 897);
+
+	/* FIXME: make sure the dev.parent field is initialized, or else
+	   request_firmware() will hit an OOPS (this should be moved somewhere
+	   more common) */
+	st->i2c_master.gated_tuner_i2c_adap.dev.parent = i2c_adap->dev.parent;
+
+	dibx000_init_i2c_master(&st->i2c_master, DIB7000P, st->i2c_adap, st->i2c_addr);
+
+	/* init 7090 tuner adapter */
+	strscpy(st->dib7090_tuner_adap.name, "DiB7090 tuner interface",
+		sizeof(st->dib7090_tuner_adap.name));
+	st->dib7090_tuner_adap.algo = &dib7090_tuner_xfer_algo;
+	st->dib7090_tuner_adap.algo_data = NULL;
+	st->dib7090_tuner_adap.dev.parent = st->i2c_adap->dev.parent;
+	i2c_set_adapdata(&st->dib7090_tuner_adap, st);
+	i2c_add_adapter(&st->dib7090_tuner_adap);
+
+	dib7000p_demod_reset(st);
+
+	dib7000p_reset_stats(demod);
+
+	if (st->version == SOC7090) {
+		dib7090_set_output_mode(demod, st->cfg.output_mode);
+		dib7090_set_diversity_in(demod, 0);
+	}
+
+	return demod;
+
+error:
+	kfree(st);
+	return NULL;
+}
+
+void *dib7000p_attach(struct dib7000p_ops *ops)
+{
+	if (!ops)
+		return NULL;
+
+	ops->slave_reset = dib7090_slave_reset;
+	ops->get_adc_power = dib7090_get_adc_power;
+	ops->dib7000pc_detection = dib7000pc_detection;
+	ops->get_i2c_tuner = dib7090_get_i2c_tuner;
+	ops->tuner_sleep = dib7090_tuner_sleep;
+	ops->init = dib7000p_init;
+	ops->set_agc1_min = dib7000p_set_agc1_min;
+	ops->set_gpio = dib7000p_set_gpio;
+	ops->i2c_enumeration = dib7000p_i2c_enumeration;
+	ops->pid_filter = dib7000p_pid_filter;
+	ops->pid_filter_ctrl = dib7000p_pid_filter_ctrl;
+	ops->get_i2c_master = dib7000p_get_i2c_master;
+	ops->update_pll = dib7000p_update_pll;
+	ops->ctrl_timf = dib7000p_ctrl_timf;
+	ops->get_agc_values = dib7000p_get_agc_values;
+	ops->set_wbd_ref = dib7000p_set_wbd_ref;
+
+	return ops;
+}
+EXPORT_SYMBOL_GPL(dib7000p_attach);
+
+static const struct dvb_frontend_ops dib7000p_ops = {
+	.delsys = { SYS_DVBT },
+	.info = {
+		 .name = "DiBcom 7000PC",
+		 .frequency_min_hz =  44250 * kHz,
+		 .frequency_max_hz = 867250 * kHz,
+		 .frequency_stepsize_hz = 62500,
+		 .caps = FE_CAN_INVERSION_AUTO |
+		 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_QPSK | FE_CAN_QAM_16 | FE_CAN_QAM_64 | FE_CAN_QAM_AUTO |
+		 FE_CAN_TRANSMISSION_MODE_AUTO | FE_CAN_GUARD_INTERVAL_AUTO | FE_CAN_RECOVER | FE_CAN_HIERARCHY_AUTO,
+		 },
+
+	.release = dib7000p_release,
+
+	.init = dib7000p_wakeup,
+	.sleep = dib7000p_sleep,
+
+	.set_frontend = dib7000p_set_frontend,
+	.get_tune_settings = dib7000p_fe_get_tune_settings,
+	.get_frontend = dib7000p_get_frontend,
+
+	.read_status = dib7000p_read_status,
+	.read_ber = dib7000p_read_ber,
+	.read_signal_strength = dib7000p_read_signal_strength,
+	.read_snr = dib7000p_read_snr,
+	.read_ucblocks = dib7000p_read_unc_blocks,
+};
+
+MODULE_AUTHOR("Olivier Grenie <olivie.grenie@parrot.com>");
+MODULE_AUTHOR("Patrick Boettcher <patrick.boettcher@posteo.de>");
+MODULE_DESCRIPTION("Driver for the DiBcom 7000PC COFDM demodulator");
+MODULE_LICENSE("GPL");