1 files changed, 465 insertions, 444 deletions

diff --git a/drivers/media/dvb-frontends/af9013.c b/drivers/media/dvb-frontends/af9013.c
index b8f3ebfc3e27..482bce49819a 100644
--- a/drivers/media/dvb-frontends/af9013.c
+++ b/drivers/media/dvb-frontends/af9013.c
@@ -23,6 +23,7 @@
 struct af9013_state {
 	struct i2c_client *client;
 	struct regmap *regmap;
+	struct i2c_mux_core *muxc;
 	struct dvb_frontend fe;
 	u32 clk;
 	u8 tuner;
@@ -33,20 +34,20 @@ struct af9013_state {
 	u8 api_version[4];
 	u8 gpio[4];
 
-	/* tuner/demod RF and IF AGC limits used for signal strength calc */
-	u8 signal_strength_en, rf_50, rf_80, if_50, if_80;
-	u16 signal_strength;
-	u32 ber;
-	u32 ucblocks;
-	u16 snr;
 	u32 bandwidth_hz;
 	enum fe_status fe_status;
+	/* RF and IF AGC limits used for signal strength calc */
+	u8 strength_en, rf_agc_50, rf_agc_80, if_agc_50, if_agc_80;
 	unsigned long set_frontend_jiffies;
 	unsigned long read_status_jiffies;
+	unsigned long strength_jiffies;
+	unsigned long cnr_jiffies;
+	unsigned long ber_ucb_jiffies;
+	u16 dvbv3_snr;
+	u16 dvbv3_strength;
+	u32 dvbv3_ber;
+	u32 dvbv3_ucblocks;
 	bool first_tune;
-	bool i2c_gate_state;
-	unsigned int statistics_step:3;
-	struct delayed_work statistics_work;
 };
 
 static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval)
@@ -101,232 +102,6 @@ err:
 	return ret;
 }
 
-static int af9013_statistics_ber_unc_start(struct dvb_frontend *fe)
-{
-	struct af9013_state *state = fe->demodulator_priv;
-	struct i2c_client *client = state->client;
-	int ret;
-
-	dev_dbg(&client->dev, "\n");
-
-	/* reset and start BER counter */
-	ret = regmap_update_bits(state->regmap, 0xd391, 0x10, 0x10);
-	if (ret)
-		goto err;
-
-	return 0;
-err:
-	dev_dbg(&client->dev, "failed %d\n", ret);
-	return ret;
-}
-
-static int af9013_statistics_ber_unc_result(struct dvb_frontend *fe)
-{
-	struct af9013_state *state = fe->demodulator_priv;
-	struct i2c_client *client = state->client;
-	int ret;
-	unsigned int utmp;
-	u8 buf[5];
-
-	dev_dbg(&client->dev, "\n");
-
-	/* check if error bit count is ready */
-	ret = regmap_read(state->regmap, 0xd391, &utmp);
-	if (ret)
-		goto err;
-
-	if (!((utmp >> 4) & 0x01)) {
-		dev_dbg(&client->dev, "not ready\n");
-		return 0;
-	}
-
-	ret = regmap_bulk_read(state->regmap, 0xd387, buf, 5);
-	if (ret)
-		goto err;
-
-	state->ber = (buf[2] << 16) | (buf[1] << 8) | buf[0];
-	state->ucblocks += (buf[4] << 8) | buf[3];
-
-	return 0;
-err:
-	dev_dbg(&client->dev, "failed %d\n", ret);
-	return ret;
-}
-
-static int af9013_statistics_snr_start(struct dvb_frontend *fe)
-{
-	struct af9013_state *state = fe->demodulator_priv;
-	struct i2c_client *client = state->client;
-	int ret;
-
-	dev_dbg(&client->dev, "\n");
-
-	/* start SNR meas */
-	ret = regmap_update_bits(state->regmap, 0xd2e1, 0x08, 0x08);
-	if (ret)
-		goto err;
-
-	return 0;
-err:
-	dev_dbg(&client->dev, "failed %d\n", ret);
-	return ret;
-}
-
-static int af9013_statistics_snr_result(struct dvb_frontend *fe)
-{
-	struct af9013_state *state = fe->demodulator_priv;
-	struct i2c_client *client = state->client;
-	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
-	int ret, i, len;
-	unsigned int utmp;
-	u8 buf[3];
-	u32 snr_val;
-	const struct af9013_snr *uninitialized_var(snr_lut);
-
-	dev_dbg(&client->dev, "\n");
-
-	/* check if SNR ready */
-	ret = regmap_read(state->regmap, 0xd2e1, &utmp);
-	if (ret)
-		goto err;
-
-	if (!((utmp >> 3) & 0x01)) {
-		dev_dbg(&client->dev, "not ready\n");
-		return 0;
-	}
-
-	/* read value */
-	ret = regmap_bulk_read(state->regmap, 0xd2e3, buf, 3);
-	if (ret)
-		goto err;
-
-	snr_val = (buf[2] << 16) | (buf[1] << 8) | buf[0];
-
-	/* read current modulation */
-	ret = regmap_read(state->regmap, 0xd3c1, &utmp);
-	if (ret)
-		goto err;
-
-	switch ((utmp >> 6) & 3) {
-	case 0:
-		len = ARRAY_SIZE(qpsk_snr_lut);
-		snr_lut = qpsk_snr_lut;
-		break;
-	case 1:
-		len = ARRAY_SIZE(qam16_snr_lut);
-		snr_lut = qam16_snr_lut;
-		break;
-	case 2:
-		len = ARRAY_SIZE(qam64_snr_lut);
-		snr_lut = qam64_snr_lut;
-		break;
-	default:
-		goto err;
-	}
-
-	for (i = 0; i < len; i++) {
-		utmp = snr_lut[i].snr;
-
-		if (snr_val < snr_lut[i].val)
-			break;
-	}
-	state->snr = utmp * 10; /* dB/10 */
-
-	c->cnr.stat[0].svalue = 1000 * utmp;
-	c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
-
-	return 0;
-err:
-	dev_dbg(&client->dev, "failed %d\n", ret);
-	return ret;
-}
-
-static int af9013_statistics_signal_strength(struct dvb_frontend *fe)
-{
-	struct af9013_state *state = fe->demodulator_priv;
-	struct i2c_client *client = state->client;
-	int ret = 0;
-	u8 buf[2], rf_gain, if_gain;
-	int signal_strength;
-
-	dev_dbg(&client->dev, "\n");
-
-	if (!state->signal_strength_en)
-		return 0;
-
-	ret = regmap_bulk_read(state->regmap, 0xd07c, buf, 2);
-	if (ret)
-		goto err;
-
-	rf_gain = buf[0];
-	if_gain = buf[1];
-
-	signal_strength = (0xffff / \
-		(9 * (state->rf_50 + state->if_50) - \
-		11 * (state->rf_80 + state->if_80))) * \
-		(10 * (rf_gain + if_gain) - \
-		11 * (state->rf_80 + state->if_80));
-	if (signal_strength < 0)
-		signal_strength = 0;
-	else if (signal_strength > 0xffff)
-		signal_strength = 0xffff;
-
-	state->signal_strength = signal_strength;
-
-	return 0;
-err:
-	dev_dbg(&client->dev, "failed %d\n", ret);
-	return ret;
-}
-
-static void af9013_statistics_work(struct work_struct *work)
-{
-	struct af9013_state *state = container_of(work,
-		struct af9013_state, statistics_work.work);
-	unsigned int next_msec;
-
-	/* update only signal strength when demod is not locked */
-	if (!(state->fe_status & FE_HAS_LOCK)) {
-		state->statistics_step = 0;
-		state->ber = 0;
-		state->snr = 0;
-	}
-
-	switch (state->statistics_step) {
-	default:
-		state->statistics_step = 0;
-		/* fall-through */
-	case 0:
-		af9013_statistics_signal_strength(&state->fe);
-		state->statistics_step++;
-		next_msec = 300;
-		break;
-	case 1:
-		af9013_statistics_snr_start(&state->fe);
-		state->statistics_step++;
-		next_msec = 200;
-		break;
-	case 2:
-		af9013_statistics_ber_unc_start(&state->fe);
-		state->statistics_step++;
-		next_msec = 1000;
-		break;
-	case 3:
-		af9013_statistics_snr_result(&state->fe);
-		state->statistics_step++;
-		next_msec = 400;
-		break;
-	case 4:
-		af9013_statistics_ber_unc_result(&state->fe);
-		state->statistics_step++;
-		next_msec = 100;
-		break;
-	}
-
-	schedule_delayed_work(&state->statistics_work,
-		msecs_to_jiffies(next_msec));
-}
-
 static int af9013_get_tune_settings(struct dvb_frontend *fe,
 	struct dvb_frontend_tune_settings *fesettings)
 {
@@ -751,46 +526,273 @@ static int af9013_read_status(struct dvb_frontend *fe, enum fe_status *status)
 {
 	struct af9013_state *state = fe->demodulator_priv;
 	struct i2c_client *client = state->client;
-	int ret;
-	unsigned int utmp;
+	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+	int ret, stmp1;
+	unsigned int utmp, utmp1, utmp2, utmp3, utmp4;
+	u8 buf[7];
+
+	dev_dbg(&client->dev, "\n");
 
 	/*
 	 * Return status from the cache if it is younger than 2000ms with the
 	 * exception of last tune is done during 4000ms.
 	 */
-	if (time_is_after_jiffies(
-		state->read_status_jiffies + msecs_to_jiffies(2000)) &&
-		time_is_before_jiffies(
-		state->set_frontend_jiffies + msecs_to_jiffies(4000))
-	) {
-			*status = state->fe_status;
-			return 0;
+	if (time_is_after_jiffies(state->read_status_jiffies + msecs_to_jiffies(2000)) &&
+	    time_is_before_jiffies(state->set_frontend_jiffies + msecs_to_jiffies(4000))) {
+		*status = state->fe_status;
 	} else {
-		*status = 0;
+		/* MPEG2 lock */
+		ret = regmap_read(state->regmap, 0xd507, &utmp);
+		if (ret)
+			goto err;
+
+		if ((utmp >> 6) & 0x01) {
+			utmp1 = FE_HAS_SIGNAL | FE_HAS_CARRIER |
+				FE_HAS_VITERBI | FE_HAS_SYNC | FE_HAS_LOCK;
+		} else {
+			/* TPS lock */
+			ret = regmap_read(state->regmap, 0xd330, &utmp);
+			if (ret)
+				goto err;
+
+			if ((utmp >> 3) & 0x01)
+				utmp1 = FE_HAS_SIGNAL | FE_HAS_CARRIER |
+					FE_HAS_VITERBI;
+			else
+				utmp1 = 0;
+		}
+
+		dev_dbg(&client->dev, "fe_status %02x\n", utmp1);
+
+		state->read_status_jiffies = jiffies;
+
+		state->fe_status = utmp1;
+		*status = utmp1;
 	}
 
-	/* MPEG2 lock */
-	ret = regmap_read(state->regmap, 0xd507, &utmp);
-	if (ret)
-		goto err;
+	/* Signal strength */
+	switch (state->strength_en) {
+	case 0:
+		/* Check if we support signal strength */
+		ret = regmap_read(state->regmap, 0x9bee, &utmp);
+		if (ret)
+			goto err;
 
-	if ((utmp >> 6) & 0x01)
-		*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |
-			FE_HAS_SYNC | FE_HAS_LOCK;
+		if ((utmp >> 0) & 0x01) {
+			/* Read agc values for signal strength estimation */
+			ret = regmap_read(state->regmap, 0x9bbd, &utmp1);
+			if (ret)
+				goto err;
+			ret = regmap_read(state->regmap, 0x9bd0, &utmp2);
+			if (ret)
+				goto err;
+			ret = regmap_read(state->regmap, 0x9be2, &utmp3);
+			if (ret)
+				goto err;
+			ret = regmap_read(state->regmap, 0x9be4, &utmp4);
+			if (ret)
+				goto err;
 
-	if (!*status) {
-		/* TPS lock */
-		ret = regmap_read(state->regmap, 0xd330, &utmp);
+			state->rf_agc_50 = utmp1;
+			state->rf_agc_80 = utmp2;
+			state->if_agc_50 = utmp3;
+			state->if_agc_80 = utmp4;
+			dev_dbg(&client->dev,
+				"rf_agc_50 %u, rf_agc_80 %u, if_agc_50 %u, if_agc_80 %u\n",
+				utmp1, utmp2, utmp3, utmp4);
+
+			state->strength_en = 1;
+		} else {
+			/* Signal strength is not supported */
+			state->strength_en = 2;
+			break;
+		}
+		/* Fall through */
+	case 1:
+		if (time_is_after_jiffies(state->strength_jiffies + msecs_to_jiffies(2000)))
+			break;
+
+		/* Read value */
+		ret = regmap_bulk_read(state->regmap, 0xd07c, buf, 2);
 		if (ret)
 			goto err;
 
-		if ((utmp >> 3) & 0x01)
-			*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
-				FE_HAS_VITERBI;
+		/*
+		 * Construct line equation from tuner dependent -80/-50 dBm agc
+		 * limits and use it to map current agc value to dBm estimate
+		 */
+		#define agc_gain (buf[0] + buf[1])
+		#define agc_gain_50dbm (state->rf_agc_50 + state->if_agc_50)
+		#define agc_gain_80dbm (state->rf_agc_80 + state->if_agc_80)
+		stmp1 = 30000 * (agc_gain - agc_gain_80dbm) /
+			(agc_gain_50dbm - agc_gain_80dbm) - 80000;
+
+		dev_dbg(&client->dev,
+			"strength %d, agc_gain %d, agc_gain_50dbm %d, agc_gain_80dbm %d\n",
+			stmp1, agc_gain, agc_gain_50dbm, agc_gain_80dbm);
+
+		state->strength_jiffies = jiffies;
+		/* Convert [-90, -30] dBm to [0x0000, 0xffff] for dvbv3 */
+		utmp1 = clamp(stmp1 + 90000, 0, 60000);
+		state->dvbv3_strength = div_u64((u64)utmp1 * 0xffff, 60000);
+
+		c->strength.stat[0].scale = FE_SCALE_DECIBEL;
+		c->strength.stat[0].svalue = stmp1;
+		break;
+	default:
+		c->strength.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+		break;
 	}
 
-	state->fe_status = *status;
-	state->read_status_jiffies = jiffies;
+	/* CNR */
+	switch (state->fe_status & FE_HAS_VITERBI) {
+	case FE_HAS_VITERBI:
+		if (time_is_after_jiffies(state->cnr_jiffies + msecs_to_jiffies(2000)))
+			break;
+
+		/* Check if cnr ready */
+		ret = regmap_read(state->regmap, 0xd2e1, &utmp);
+		if (ret)
+			goto err;
+
+		if (!((utmp >> 3) & 0x01)) {
+			dev_dbg(&client->dev, "cnr not ready\n");
+			break;
+		}
+
+		/* Read value */
+		ret = regmap_bulk_read(state->regmap, 0xd2e3, buf, 3);
+		if (ret)
+			goto err;
+
+		utmp1 = buf[2] << 16 | buf[1] << 8 | buf[0] << 0;
+
+		/* Read current modulation */
+		ret = regmap_read(state->regmap, 0xd3c1, &utmp);
+		if (ret)
+			goto err;
+
+		switch ((utmp >> 6) & 3) {
+		case 0:
+			/*
+			 * QPSK
+			 * CNR[dB] 13 * -log10((1690000 - value) / value) + 2.6
+			 * value [653799, 1689999], 2.6 / 13 = 3355443
+			 */
+			utmp1 = clamp(utmp1, 653799U, 1689999U);
+			utmp1 = ((u64)(intlog10(utmp1)
+				- intlog10(1690000 - utmp1)
+				+ 3355443) * 13 * 1000) >> 24;
+			break;
+		case 1:
+			/*
+			 * QAM-16
+			 * CNR[dB] 6 * log10((value - 370000) / (828000 - value)) + 15.7
+			 * value [371105, 827999], 15.7 / 6 = 43900382
+			 */
+			utmp1 = clamp(utmp1, 371105U, 827999U);
+			utmp1 = ((u64)(intlog10(utmp1 - 370000)
+				- intlog10(828000 - utmp1)
+				+ 43900382) * 6 * 1000) >> 24;
+			break;
+		case 2:
+			/*
+			 * QAM-64
+			 * CNR[dB] 8 * log10((value - 193000) / (425000 - value)) + 23.8
+			 * value [193246, 424999], 23.8 / 8 = 49912218
+			 */
+			utmp1 = clamp(utmp1, 193246U, 424999U);
+			utmp1 = ((u64)(intlog10(utmp1 - 193000)
+				- intlog10(425000 - utmp1)
+				+ 49912218) * 8 * 1000) >> 24;
+			break;
+		default:
+			dev_dbg(&client->dev, "invalid modulation %u\n",
+				(utmp >> 6) & 3);
+			utmp1 = 0;
+			break;
+		}
+
+		dev_dbg(&client->dev, "cnr %u\n", utmp1);
+
+		state->cnr_jiffies = jiffies;
+		state->dvbv3_snr = utmp1 / 100;
+
+		c->cnr.stat[0].scale = FE_SCALE_DECIBEL;
+		c->cnr.stat[0].svalue = utmp1;
+		break;
+	default:
+		c->cnr.stat[0].scale = FE_SCALE_NOT_AVAILABLE;
+		break;
+	}
+
+	/* BER / PER */
+	switch (state->fe_status & FE_HAS_SYNC) {
+	case FE_HAS_SYNC:
+		if (time_is_after_jiffies(state->ber_ucb_jiffies + msecs_to_jiffies(2000)))
+			break;
+
+		/* Check if ber / ucb is ready */
+		ret = regmap_read(state->regmap, 0xd391, &utmp);
+		if (ret)
+			goto err;
+
+		if (!((utmp >> 4) & 0x01)) {
+			dev_dbg(&client->dev, "ber not ready\n");
+			break;
+		}
+
+		/* Read value */
+		ret = regmap_bulk_read(state->regmap, 0xd385, buf, 7);
+		if (ret)
+			goto err;
+
+		utmp1 = buf[4] << 16 | buf[3] << 8 | buf[2] << 0;
+		utmp2 = (buf[1] << 8 | buf[0] << 0) * 204 * 8;
+		utmp3 = buf[6] << 8 | buf[5] << 0;
+		utmp4 = buf[1] << 8 | buf[0] << 0;
+
+		/* Use 10000 TS packets for measure */
+		if (utmp4 != 10000) {
+			buf[0] = (10000 >> 0) & 0xff;
+			buf[1] = (10000 >> 8) & 0xff;
+			ret = regmap_bulk_write(state->regmap, 0xd385, buf, 2);
+			if (ret)
+				goto err;
+		}
+
+		/* Reset ber / ucb counter */
+		ret = regmap_update_bits(state->regmap, 0xd391, 0x20, 0x20);
+		if (ret)
+			goto err;
+
+		dev_dbg(&client->dev, "post_bit_error %u, post_bit_count %u\n",
+			utmp1, utmp2);
+		dev_dbg(&client->dev, "block_error %u, block_count %u\n",
+			utmp3, utmp4);
+
+		state->ber_ucb_jiffies = jiffies;
+		state->dvbv3_ber = utmp1;
+		state->dvbv3_ucblocks += utmp3;
+
+		c->post_bit_error.stat[0].scale = FE_SCALE_COUNTER;
+		c->post_bit_error.stat[0].uvalue += utmp1;
+		c->post_bit_count.stat[0].scale = FE_SCALE_COUNTER;
+		c->post_bit_count.stat[0].uvalue += utmp2;
+
+		c->block_error.stat[0].scale = FE_SCALE_COUNTER;
+		c->block_error.stat[0].uvalue += utmp3;
+		c->block_count.stat[0].scale = FE_SCALE_COUNTER;
+		c->block_count.stat[0].uvalue += utmp4;
+		break;
+	default:
+		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;
+		break;
+	}
 
 	return 0;
 err:
@@ -801,28 +803,36 @@ err:
 static int af9013_read_snr(struct dvb_frontend *fe, u16 *snr)
 {
 	struct af9013_state *state = fe->demodulator_priv;
-	*snr = state->snr;
+
+	*snr = state->dvbv3_snr;
+
 	return 0;
 }
 
 static int af9013_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
 {
 	struct af9013_state *state = fe->demodulator_priv;
-	*strength = state->signal_strength;
+
+	*strength = state->dvbv3_strength;
+
 	return 0;
 }
 
 static int af9013_read_ber(struct dvb_frontend *fe, u32 *ber)
 {
 	struct af9013_state *state = fe->demodulator_priv;
-	*ber = state->ber;
+
+	*ber = state->dvbv3_ber;
+
 	return 0;
 }
 
 static int af9013_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
 {
 	struct af9013_state *state = fe->demodulator_priv;
-	*ucblocks = state->ucblocks;
+
+	*ucblocks = state->dvbv3_ucblocks;
+
 	return 0;
 }
 
@@ -833,7 +843,7 @@ static int af9013_init(struct dvb_frontend *fe)
 	int ret, i, len;
 	unsigned int utmp;
 	u8 buf[3];
-	const struct af9013_reg_bit *init;
+	const struct af9013_reg_mask_val *tab;
 
 	dev_dbg(&client->dev, "\n");
 
@@ -888,72 +898,66 @@ static int af9013_init(struct dvb_frontend *fe)
 	if (ret)
 		goto err;
 
-	/* load OFSM settings */
-	dev_dbg(&client->dev, "load ofsm settings\n");
-	len = ARRAY_SIZE(ofsm_init);
-	init = ofsm_init;
+	/* Demod core settings */
+	dev_dbg(&client->dev, "load demod core settings\n");
+	len = ARRAY_SIZE(demod_init_tab);
+	tab = demod_init_tab;
 	for (i = 0; i < len; i++) {
-		u16 reg = init[i].addr;
-		u8 mask = GENMASK(init[i].pos + init[i].len - 1, init[i].pos);
-		u8 val = init[i].val << init[i].pos;
-
-		ret = regmap_update_bits(state->regmap, reg, mask, val);
+		ret = regmap_update_bits(state->regmap, tab[i].reg, tab[i].mask,
+					 tab[i].val);
 		if (ret)
 			goto err;
 	}
 
-	/* load tuner specific settings */
+	/* Demod tuner specific settings */
 	dev_dbg(&client->dev, "load tuner specific settings\n");
 	switch (state->tuner) {
 	case AF9013_TUNER_MXL5003D:
-		len = ARRAY_SIZE(tuner_init_mxl5003d);
-		init = tuner_init_mxl5003d;
+		len = ARRAY_SIZE(tuner_init_tab_mxl5003d);
+		tab = tuner_init_tab_mxl5003d;
 		break;
 	case AF9013_TUNER_MXL5005D:
 	case AF9013_TUNER_MXL5005R:
 	case AF9013_TUNER_MXL5007T:
-		len = ARRAY_SIZE(tuner_init_mxl5005);
-		init = tuner_init_mxl5005;
+		len = ARRAY_SIZE(tuner_init_tab_mxl5005);
+		tab = tuner_init_tab_mxl5005;
 		break;
 	case AF9013_TUNER_ENV77H11D5:
-		len = ARRAY_SIZE(tuner_init_env77h11d5);
-		init = tuner_init_env77h11d5;
+		len = ARRAY_SIZE(tuner_init_tab_env77h11d5);
+		tab = tuner_init_tab_env77h11d5;
 		break;
 	case AF9013_TUNER_MT2060:
-		len = ARRAY_SIZE(tuner_init_mt2060);
-		init = tuner_init_mt2060;
+		len = ARRAY_SIZE(tuner_init_tab_mt2060);
+		tab = tuner_init_tab_mt2060;
 		break;
 	case AF9013_TUNER_MC44S803:
-		len = ARRAY_SIZE(tuner_init_mc44s803);
-		init = tuner_init_mc44s803;
+		len = ARRAY_SIZE(tuner_init_tab_mc44s803);
+		tab = tuner_init_tab_mc44s803;
 		break;
 	case AF9013_TUNER_QT1010:
 	case AF9013_TUNER_QT1010A:
-		len = ARRAY_SIZE(tuner_init_qt1010);
-		init = tuner_init_qt1010;
+		len = ARRAY_SIZE(tuner_init_tab_qt1010);
+		tab = tuner_init_tab_qt1010;
 		break;
 	case AF9013_TUNER_MT2060_2:
-		len = ARRAY_SIZE(tuner_init_mt2060_2);
-		init = tuner_init_mt2060_2;
+		len = ARRAY_SIZE(tuner_init_tab_mt2060_2);
+		tab = tuner_init_tab_mt2060_2;
 		break;
 	case AF9013_TUNER_TDA18271:
 	case AF9013_TUNER_TDA18218:
-		len = ARRAY_SIZE(tuner_init_tda18271);
-		init = tuner_init_tda18271;
+		len = ARRAY_SIZE(tuner_init_tab_tda18271);
+		tab = tuner_init_tab_tda18271;
 		break;
 	case AF9013_TUNER_UNKNOWN:
 	default:
-		len = ARRAY_SIZE(tuner_init_unknown);
-		init = tuner_init_unknown;
+		len = ARRAY_SIZE(tuner_init_tab_unknown);
+		tab = tuner_init_tab_unknown;
 		break;
 	}
 
 	for (i = 0; i < len; i++) {
-		u16 reg = init[i].addr;
-		u8 mask = GENMASK(init[i].pos + init[i].len - 1, init[i].pos);
-		u8 val = init[i].val << init[i].pos;
-
-		ret = regmap_update_bits(state->regmap, reg, mask, val);
+		ret = regmap_update_bits(state->regmap, tab[i].reg, tab[i].mask,
+					 tab[i].val);
 		if (ret)
 			goto err;
 	}
@@ -972,50 +976,7 @@ static int af9013_init(struct dvb_frontend *fe)
 	if (ret)
 		goto err;
 
-	/* check if we support signal strength */
-	if (!state->signal_strength_en) {
-		ret = regmap_read(state->regmap, 0x9bee, &utmp);
-		if (ret)
-			goto err;
-
-		state->signal_strength_en = (utmp >> 0) & 0x01;
-	}
-
-	/* read values needed for signal strength calculation */
-	if (state->signal_strength_en && !state->rf_50) {
-		ret = regmap_bulk_read(state->regmap, 0x9bbd, &state->rf_50, 1);
-		if (ret)
-			goto err;
-		ret = regmap_bulk_read(state->regmap, 0x9bd0, &state->rf_80, 1);
-		if (ret)
-			goto err;
-		ret = regmap_bulk_read(state->regmap, 0x9be2, &state->if_50, 1);
-		if (ret)
-			goto err;
-		ret = regmap_bulk_read(state->regmap, 0x9be4, &state->if_80, 1);
-		if (ret)
-			goto err;
-	}
-
-	/* SNR */
-	ret = regmap_write(state->regmap, 0xd2e2, 0x01);
-	if (ret)
-		goto err;
-
-	/* BER / UCB */
-	buf[0] = (10000 >> 0) & 0xff;
-	buf[1] = (10000 >> 8) & 0xff;
-	ret = regmap_bulk_write(state->regmap, 0xd385, buf, 2);
-	if (ret)
-		goto err;
-
-	/* enable FEC monitor */
-	ret = regmap_update_bits(state->regmap, 0xd392, 0x02, 0x02);
-	if (ret)
-		goto err;
-
 	state->first_tune = true;
-	schedule_delayed_work(&state->statistics_work, msecs_to_jiffies(400));
 
 	return 0;
 err:
@@ -1032,9 +993,6 @@ static int af9013_sleep(struct dvb_frontend *fe)
 
 	dev_dbg(&client->dev, "\n");
 
-	/* stop statistics polling */
-	cancel_delayed_work_sync(&state->statistics_work);
-
 	/* disable lock led */
 	ret = regmap_update_bits(state->regmap, 0xd730, 0x01, 0x00);
 	if (ret)
@@ -1072,45 +1030,6 @@ err:
 	return ret;
 }
 
-static int af9013_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
-{
-	int ret;
-	struct af9013_state *state = fe->demodulator_priv;
-	struct i2c_client *client = state->client;
-
-	dev_dbg(&client->dev, "enable %d\n", enable);
-
-	/* gate already open or close */
-	if (state->i2c_gate_state == enable)
-		return 0;
-
-	if (state->ts_mode == AF9013_TS_MODE_USB)
-		ret = regmap_update_bits(state->regmap, 0xd417, 0x08,
-					 enable << 3);
-	else
-		ret = regmap_update_bits(state->regmap, 0xd607, 0x04,
-					 enable << 2);
-	if (ret)
-		goto err;
-
-	state->i2c_gate_state = enable;
-
-	return 0;
-err:
-	dev_dbg(&client->dev, "failed %d\n", ret);
-	return ret;
-}
-
-static void af9013_release(struct dvb_frontend *fe)
-{
-	struct af9013_state *state = fe->demodulator_priv;
-	struct i2c_client *client = state->client;
-
-	dev_dbg(&client->dev, "\n");
-
-	i2c_unregister_device(client);
-}
-
 static const struct dvb_frontend_ops af9013_ops;
 
 static int af9013_download_firmware(struct af9013_state *state)
@@ -1213,40 +1132,6 @@ err:
 	return ret;
 }
 
-/*
- * XXX: That is wrapper to af9013_probe() via driver core in order to provide
- * proper I2C client for legacy media attach binding.
- * New users must use I2C client binding directly!
- */
-struct dvb_frontend *af9013_attach(const struct af9013_config *config,
-				   struct i2c_adapter *i2c)
-{
-	struct i2c_client *client;
-	struct i2c_board_info board_info;
-	struct af9013_platform_data pdata;
-
-	pdata.clk = config->clock;
-	pdata.tuner = config->tuner;
-	pdata.if_frequency = config->if_frequency;
-	pdata.ts_mode = config->ts_mode;
-	pdata.ts_output_pin = 7;
-	pdata.spec_inv = config->spec_inv;
-	memcpy(&pdata.api_version, config->api_version, sizeof(pdata.api_version));
-	memcpy(&pdata.gpio, config->gpio, sizeof(pdata.gpio));
-	pdata.attach_in_use = true;
-
-	memset(&board_info, 0, sizeof(board_info));
-	strlcpy(board_info.type, "af9013", sizeof(board_info.type));
-	board_info.addr = config->i2c_addr;
-	board_info.platform_data = &pdata;
-	client = i2c_new_device(i2c, &board_info);
-	if (!client || !client->dev.driver)
-		return NULL;
-
-	return pdata.get_dvb_frontend(client);
-}
-EXPORT_SYMBOL(af9013_attach);
-
 static const struct dvb_frontend_ops af9013_ops = {
 	.delsys = { SYS_DVBT },
 	.info = {
@@ -1272,8 +1157,6 @@ static const struct dvb_frontend_ops af9013_ops = {
 			FE_CAN_MUTE_TS
 	},
 
-	.release = af9013_release,
-
 	.init = af9013_init,
 	.sleep = af9013_sleep,
 
@@ -1286,10 +1169,58 @@ static const struct dvb_frontend_ops af9013_ops = {
 	.read_signal_strength = af9013_read_signal_strength,
 	.read_ber = af9013_read_ber,
 	.read_ucblocks = af9013_read_ucblocks,
-
-	.i2c_gate_ctrl = af9013_i2c_gate_ctrl,
 };
 
+static int af9013_pid_filter_ctrl(struct dvb_frontend *fe, int onoff)
+{
+	struct af9013_state *state = fe->demodulator_priv;
+	struct i2c_client *client = state->client;
+	int ret;
+
+	dev_dbg(&client->dev, "onoff %d\n", onoff);
+
+	ret = regmap_update_bits(state->regmap, 0xd503, 0x01, onoff);
+	if (ret)
+		goto err;
+
+	return 0;
+err:
+	dev_dbg(&client->dev, "failed %d\n", ret);
+	return ret;
+}
+
+static int af9013_pid_filter(struct dvb_frontend *fe, u8 index, u16 pid,
+			     int onoff)
+{
+	struct af9013_state *state = fe->demodulator_priv;
+	struct i2c_client *client = state->client;
+	int ret;
+	u8 buf[2];
+
+	dev_dbg(&client->dev, "index %d, pid %04x, onoff %d\n",
+		index, pid, onoff);
+
+	if (pid > 0x1fff) {
+		/* 0x2000 is kernel virtual pid for whole ts (all pids) */
+		ret = 0;
+		goto err;
+	}
+
+	buf[0] = (pid >> 0) & 0xff;
+	buf[1] = (pid >> 8) & 0xff;
+	ret = regmap_bulk_write(state->regmap, 0xd505, buf, 2);
+	if (ret)
+		goto err;
+	ret = regmap_write(state->regmap, 0xd504, onoff << 5 | index << 0);
+	if (ret)
+		goto err;
+
+	return 0;
+err:
+	dev_dbg(&client->dev, "failed %d\n", ret);
+	return ret;
+}
+
 static struct dvb_frontend *af9013_get_dvb_frontend(struct i2c_client *client)
 {
 	struct af9013_state *state = i2c_get_clientdata(client);
@@ -1299,9 +1230,65 @@ static struct dvb_frontend *af9013_get_dvb_frontend(struct i2c_client *client)
 	return &state->fe;
 }
 
+static struct i2c_adapter *af9013_get_i2c_adapter(struct i2c_client *client)
+{
+	struct af9013_state *state = i2c_get_clientdata(client);
+
+	dev_dbg(&client->dev, "\n");
+
+	return state->muxc->adapter[0];
+}
+
+/*
+ * XXX: Hackish solution. We use virtual register, reg bit 16, to carry info
+ * about i2c adapter locking. Own locking is needed because i2c mux call has
+ * already locked i2c adapter.
+ */
+static int af9013_select(struct i2c_mux_core *muxc, u32 chan)
+{
+	struct af9013_state *state = i2c_mux_priv(muxc);
+	struct i2c_client *client = state->client;
+	int ret;
+
+	dev_dbg(&client->dev, "\n");
+
+	if (state->ts_mode == AF9013_TS_MODE_USB)
+		ret = regmap_update_bits(state->regmap, 0x1d417, 0x08, 0x08);
+	else
+		ret = regmap_update_bits(state->regmap, 0x1d607, 0x04, 0x04);
+	if (ret)
+		goto err;
+
+	return 0;
+err:
+	dev_dbg(&client->dev, "failed %d\n", ret);
+	return ret;
+}
+
+static int af9013_deselect(struct i2c_mux_core *muxc, u32 chan)
+{
+	struct af9013_state *state = i2c_mux_priv(muxc);
+	struct i2c_client *client = state->client;
+	int ret;
+
+	dev_dbg(&client->dev, "\n");
+
+	if (state->ts_mode == AF9013_TS_MODE_USB)
+		ret = regmap_update_bits(state->regmap, 0x1d417, 0x08, 0x00);
+	else
+		ret = regmap_update_bits(state->regmap, 0x1d607, 0x04, 0x00);
+	if (ret)
+		goto err;
+
+	return 0;
+err:
+	dev_dbg(&client->dev, "failed %d\n", ret);
+	return ret;
+}
+
 /* Own I2C access routines needed for regmap as chip uses extra command byte */
 static int af9013_wregs(struct i2c_client *client, u8 cmd, u16 reg,
-			const u8 *val, int len)
+			const u8 *val, int len, u8 lock)
 {
 	int ret;
 	u8 buf[21];
@@ -1323,7 +1310,12 @@ static int af9013_wregs(struct i2c_client *client, u8 cmd, u16 reg,
 	buf[1] = (reg >> 0) & 0xff;
 	buf[2] = cmd;
 	memcpy(&buf[3], val, len);
-	ret = i2c_transfer(client->adapter, msg, 1);
+
+	if (lock)
+		i2c_lock_adapter(client->adapter);
+	ret = __i2c_transfer(client->adapter, msg, 1);
+	if (lock)
+		i2c_unlock_adapter(client->adapter);
 	if (ret < 0) {
 		goto err;
 	} else if (ret != 1) {
@@ -1338,7 +1330,7 @@ err:
 }
 
 static int af9013_rregs(struct i2c_client *client, u8 cmd, u16 reg,
-			u8 *val, int len)
+			u8 *val, int len, u8 lock)
 {
 	int ret;
 	u8 buf[3];
@@ -1359,7 +1351,12 @@ static int af9013_rregs(struct i2c_client *client, u8 cmd, u16 reg,
 	buf[0] = (reg >> 8) & 0xff;
 	buf[1] = (reg >> 0) & 0xff;
 	buf[2] = cmd;
-	ret = i2c_transfer(client->adapter, msg, 2);
+
+	if (lock)
+		i2c_lock_adapter(client->adapter);
+	ret = __i2c_transfer(client->adapter, msg, 2);
+	if (lock)
+		i2c_unlock_adapter(client->adapter);
 	if (ret < 0) {
 		goto err;
 	} else if (ret != 2) {
@@ -1379,25 +1376,27 @@ static int af9013_regmap_write(void *context, const void *data, size_t count)
 	struct af9013_state *state = i2c_get_clientdata(client);
 	int ret, i;
 	u8 cmd;
-	u16 reg = ((u8 *)data)[0] << 8|((u8 *)data)[1] << 0;
-	u8 *val = &((u8 *)data)[2];
-	const unsigned int len = count - 2;
+	u8 lock = !((u8 *)data)[0];
+	u16 reg = ((u8 *)data)[1] << 8 | ((u8 *)data)[2] << 0;
+	u8 *val = &((u8 *)data)[3];
+	const unsigned int len = count - 3;
 
 	if (state->ts_mode == AF9013_TS_MODE_USB && (reg & 0xff00) != 0xae00) {
 		cmd = 0 << 7|0 << 6|(len - 1) << 2|1 << 1|1 << 0;
-		ret = af9013_wregs(client, cmd, reg, val, len);
+		ret = af9013_wregs(client, cmd, reg, val, len, lock);
 		if (ret)
 			goto err;
 	} else if (reg >= 0x5100 && reg < 0x8fff) {
 		/* Firmware download */
 		cmd = 1 << 7|1 << 6|(len - 1) << 2|1 << 1|1 << 0;
-		ret = af9013_wregs(client, cmd, reg, val, len);
+		ret = af9013_wregs(client, cmd, reg, val, len, lock);
 		if (ret)
 			goto err;
 	} else {
 		cmd = 0 << 7|0 << 6|(1 - 1) << 2|1 << 1|1 << 0;
 		for (i = 0; i < len; i++) {
-			ret = af9013_wregs(client, cmd, reg + i, val + i, 1);
+			ret = af9013_wregs(client, cmd, reg + i, val + i, 1,
+					   lock);
 			if (ret)
 				goto err;
 		}
@@ -1416,19 +1415,21 @@ static int af9013_regmap_read(void *context, const void *reg_buf,
 	struct af9013_state *state = i2c_get_clientdata(client);
 	int ret, i;
 	u8 cmd;
-	u16 reg = ((u8 *)reg_buf)[0] << 8|((u8 *)reg_buf)[1] << 0;
+	u8 lock = !((u8 *)reg_buf)[0];
+	u16 reg = ((u8 *)reg_buf)[1] << 8 | ((u8 *)reg_buf)[2] << 0;
 	u8 *val = &((u8 *)val_buf)[0];
 	const unsigned int len = val_size;
 
 	if (state->ts_mode == AF9013_TS_MODE_USB && (reg & 0xff00) != 0xae00) {
 		cmd = 0 << 7|0 << 6|(len - 1) << 2|1 << 1|0 << 0;
-		ret = af9013_rregs(client, cmd, reg, val_buf, len);
+		ret = af9013_rregs(client, cmd, reg, val_buf, len, lock);
 		if (ret)
 			goto err;
 	} else {
 		cmd = 0 << 7|0 << 6|(1 - 1) << 2|1 << 1|0 << 0;
 		for (i = 0; i < len; i++) {
-			ret = af9013_rregs(client, cmd, reg + i, val + i, 1);
+			ret = af9013_rregs(client, cmd, reg + i, val + i, 1,
+					   lock);
 			if (ret)
 				goto err;
 		}
@@ -1453,8 +1454,9 @@ static int af9013_probe(struct i2c_client *client,
 		.write = af9013_regmap_write,
 	};
 	static const struct regmap_config regmap_config = {
-		.reg_bits    =  16,
-		.val_bits    =  8,
+		/* Actual reg is 16 bits, see i2c adapter lock */
+		.reg_bits = 24,
+		.val_bits = 8,
 	};
 
 	state = kzalloc(sizeof(*state), GFP_KERNEL);
@@ -1463,6 +1465,8 @@ static int af9013_probe(struct i2c_client *client,
 		goto err;
 	}
 
+	dev_dbg(&client->dev, "\n");
+
 	/* Setup the state */
 	state->client = client;
 	i2c_set_clientdata(client, state);
@@ -1474,52 +1478,70 @@ static int af9013_probe(struct i2c_client *client,
 	state->spec_inv = pdata->spec_inv;
 	memcpy(&state->api_version, pdata->api_version, sizeof(state->api_version));
 	memcpy(&state->gpio, pdata->gpio, sizeof(state->gpio));
-	INIT_DELAYED_WORK(&state->statistics_work, af9013_statistics_work);
 	state->regmap = regmap_init(&client->dev, &regmap_bus, client,
 				  &regmap_config);
 	if (IS_ERR(state->regmap)) {
 		ret = PTR_ERR(state->regmap);
 		goto err_kfree;
 	}
+	/* Create mux i2c adapter */
+	state->muxc = i2c_mux_alloc(client->adapter, &client->dev, 1, 0, 0,
+				    af9013_select, af9013_deselect);
+	if (!state->muxc) {
+		ret = -ENOMEM;
+		goto err_regmap_exit;
+	}
+	state->muxc->priv = state;
+	ret = i2c_mux_add_adapter(state->muxc, 0, 0, 0);
+	if (ret)
+		goto err_regmap_exit;
 
 	/* Download firmware */
 	if (state->ts_mode != AF9013_TS_MODE_USB) {
 		ret = af9013_download_firmware(state);
 		if (ret)
-			goto err_regmap_exit;
+			goto err_i2c_mux_del_adapters;
 	}
 
 	/* Firmware version */
 	ret = regmap_bulk_read(state->regmap, 0x5103, firmware_version,
 			       sizeof(firmware_version));
 	if (ret)
-		goto err_regmap_exit;
+		goto err_i2c_mux_del_adapters;
 
 	/* Set GPIOs */
 	for (i = 0; i < sizeof(state->gpio); i++) {
 		ret = af9013_set_gpio(state, i, state->gpio[i]);
 		if (ret)
-			goto err_regmap_exit;
+			goto err_i2c_mux_del_adapters;
 	}
 
 	/* Create dvb frontend */
 	memcpy(&state->fe.ops, &af9013_ops, sizeof(state->fe.ops));
-	if (!pdata->attach_in_use)
-		state->fe.ops.release = NULL;
 	state->fe.demodulator_priv = state;
 
 	/* Setup callbacks */
 	pdata->get_dvb_frontend = af9013_get_dvb_frontend;
+	pdata->get_i2c_adapter = af9013_get_i2c_adapter;
+	pdata->pid_filter = af9013_pid_filter;
+	pdata->pid_filter_ctrl = af9013_pid_filter_ctrl;
 
 	/* Init stats to indicate which stats are supported */
 	c = &state->fe.dtv_property_cache;
+	c->strength.len = 1;
 	c->cnr.len = 1;
+	c->post_bit_error.len = 1;
+	c->post_bit_count.len = 1;
+	c->block_error.len = 1;
+	c->block_count.len = 1;
 
 	dev_info(&client->dev, "Afatech AF9013 successfully attached\n");
 	dev_info(&client->dev, "firmware version: %d.%d.%d.%d\n",
 		 firmware_version[0], firmware_version[1],
 		 firmware_version[2], firmware_version[3]);
 	return 0;
+err_i2c_mux_del_adapters:
+	i2c_mux_del_adapters(state->muxc);
 err_regmap_exit:
 	regmap_exit(state->regmap);
 err_kfree:
@@ -1535,8 +1557,7 @@ static int af9013_remove(struct i2c_client *client)
 
 	dev_dbg(&client->dev, "\n");
 
-	/* Stop statistics polling */
-	cancel_delayed_work_sync(&state->statistics_work);
+	i2c_mux_del_adapters(state->muxc);
 
 	regmap_exit(state->regmap);