Add the rt linux 4.1.3-rt3 as base

Import the rt linux 4.1.3-rt3 as OPNFV kvm base.

It's from git://git.kernel.org/pub/scm/linux/kernel/git/rt/linux-rt-devel.git linux-4.1.y-rt and
the base is:

commit 0917f823c59692d751951bf5ea699a2d1e2f26a2
Author: Sebastian Andrzej Siewior <bigeasy@linutronix.de>
Date:   Sat Jul 25 12:13:34 2015 +0200

    Prepare v4.1.3-rt3

    Signed-off-by: Sebastian Andrzej Siewior <bigeasy@linutronix.de>

We lose all the git history this way and it's not good. We
should apply another opnfv project repo in future.

Change-Id: I87543d81c9df70d99c5001fbdf646b202c19f423
Signed-off-by: Yunhong Jiang <yunhong.jiang@intel.com>

1 files changed, 1319 insertions, 0 deletions

diff --git a/kernel/drivers/media/dvb-frontends/tda10071.c b/kernel/drivers/media/dvb-frontends/tda10071.c
new file mode 100644
index 000000000..4a19b8599
--- /dev/null
+++ b/kernel/drivers/media/dvb-frontends/tda10071.c
@@ -0,0 +1,1319 @@
+/*
+ * NXP TDA10071 + Conexant CX24118A DVB-S/S2 demodulator + tuner driver
+ *
+ * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
+ *
+ *    This program is free software; you can redistribute it and/or modify
+ *    it under the terms of the GNU General Public License as published by
+ *    the Free Software Foundation; either version 2 of the License, or
+ *    (at your option) any later version.
+ *
+ *    This program is distributed in the hope that it will be useful,
+ *    but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *    GNU General Public License for more details.
+ *
+ *    You should have received a copy of the GNU General Public License along
+ *    with this program; if not, write to the Free Software Foundation, Inc.,
+ *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
+ */
+
+#include "tda10071_priv.h"
+
+/* Max transfer size done by I2C transfer functions */
+#define MAX_XFER_SIZE  64
+
+static struct dvb_frontend_ops tda10071_ops;
+
+/* write multiple registers */
+static int tda10071_wr_regs(struct tda10071_priv *priv, u8 reg, u8 *val,
+	int len)
+{
+	int ret;
+	u8 buf[MAX_XFER_SIZE];
+	struct i2c_msg msg[1] = {
+		{
+			.addr = priv->cfg.demod_i2c_addr,
+			.flags = 0,
+			.len = 1 + len,
+			.buf = buf,
+		}
+	};
+
+	if (1 + len > sizeof(buf)) {
+		dev_warn(&priv->i2c->dev,
+				"%s: i2c wr reg=%04x: len=%d is too big!\n",
+				KBUILD_MODNAME, reg, len);
+		return -EINVAL;
+	}
+
+	buf[0] = reg;
+	memcpy(&buf[1], val, len);
+
+	ret = i2c_transfer(priv->i2c, msg, 1);
+	if (ret == 1) {
+		ret = 0;
+	} else {
+		dev_warn(&priv->i2c->dev,
+				"%s: i2c wr failed=%d reg=%02x len=%d\n",
+				KBUILD_MODNAME, ret, reg, len);
+		ret = -EREMOTEIO;
+	}
+	return ret;
+}
+
+/* read multiple registers */
+static int tda10071_rd_regs(struct tda10071_priv *priv, u8 reg, u8 *val,
+	int len)
+{
+	int ret;
+	u8 buf[MAX_XFER_SIZE];
+	struct i2c_msg msg[2] = {
+		{
+			.addr = priv->cfg.demod_i2c_addr,
+			.flags = 0,
+			.len = 1,
+			.buf = &reg,
+		}, {
+			.addr = priv->cfg.demod_i2c_addr,
+			.flags = I2C_M_RD,
+			.len = len,
+			.buf = buf,
+		}
+	};
+
+	if (len > sizeof(buf)) {
+		dev_warn(&priv->i2c->dev,
+				"%s: i2c wr reg=%04x: len=%d is too big!\n",
+				KBUILD_MODNAME, reg, len);
+		return -EINVAL;
+	}
+
+	ret = i2c_transfer(priv->i2c, msg, 2);
+	if (ret == 2) {
+		memcpy(val, buf, len);
+		ret = 0;
+	} else {
+		dev_warn(&priv->i2c->dev,
+				"%s: i2c rd failed=%d reg=%02x len=%d\n",
+				KBUILD_MODNAME, ret, reg, len);
+		ret = -EREMOTEIO;
+	}
+	return ret;
+}
+
+/* write single register */
+static int tda10071_wr_reg(struct tda10071_priv *priv, u8 reg, u8 val)
+{
+	return tda10071_wr_regs(priv, reg, &val, 1);
+}
+
+/* read single register */
+static int tda10071_rd_reg(struct tda10071_priv *priv, u8 reg, u8 *val)
+{
+	return tda10071_rd_regs(priv, reg, val, 1);
+}
+
+/* write single register with mask */
+static int tda10071_wr_reg_mask(struct tda10071_priv *priv,
+				u8 reg, u8 val, u8 mask)
+{
+	int ret;
+	u8 tmp;
+
+	/* no need for read if whole reg is written */
+	if (mask != 0xff) {
+		ret = tda10071_rd_regs(priv, reg, &tmp, 1);
+		if (ret)
+			return ret;
+
+		val &= mask;
+		tmp &= ~mask;
+		val |= tmp;
+	}
+
+	return tda10071_wr_regs(priv, reg, &val, 1);
+}
+
+/* read single register with mask */
+static int tda10071_rd_reg_mask(struct tda10071_priv *priv,
+				u8 reg, u8 *val, u8 mask)
+{
+	int ret, i;
+	u8 tmp;
+
+	ret = tda10071_rd_regs(priv, reg, &tmp, 1);
+	if (ret)
+		return ret;
+
+	tmp &= mask;
+
+	/* find position of the first bit */
+	for (i = 0; i < 8; i++) {
+		if ((mask >> i) & 0x01)
+			break;
+	}
+	*val = tmp >> i;
+
+	return 0;
+}
+
+/* execute firmware command */
+static int tda10071_cmd_execute(struct tda10071_priv *priv,
+	struct tda10071_cmd *cmd)
+{
+	int ret, i;
+	u8 tmp;
+
+	if (!priv->warm) {
+		ret = -EFAULT;
+		goto error;
+	}
+
+	/* write cmd and args for firmware */
+	ret = tda10071_wr_regs(priv, 0x00, cmd->args, cmd->len);
+	if (ret)
+		goto error;
+
+	/* start cmd execution */
+	ret = tda10071_wr_reg(priv, 0x1f, 1);
+	if (ret)
+		goto error;
+
+	/* wait cmd execution terminate */
+	for (i = 1000, tmp = 1; i && tmp; i--) {
+		ret = tda10071_rd_reg(priv, 0x1f, &tmp);
+		if (ret)
+			goto error;
+
+		usleep_range(200, 5000);
+	}
+
+	dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
+
+	if (i == 0) {
+		ret = -ETIMEDOUT;
+		goto error;
+	}
+
+	return ret;
+error:
+	dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
+	return ret;
+}
+
+static int tda10071_set_tone(struct dvb_frontend *fe,
+	fe_sec_tone_mode_t fe_sec_tone_mode)
+{
+	struct tda10071_priv *priv = fe->demodulator_priv;
+	struct tda10071_cmd cmd;
+	int ret;
+	u8 tone;
+
+	if (!priv->warm) {
+		ret = -EFAULT;
+		goto error;
+	}
+
+	dev_dbg(&priv->i2c->dev, "%s: tone_mode=%d\n", __func__,
+			fe_sec_tone_mode);
+
+	switch (fe_sec_tone_mode) {
+	case SEC_TONE_ON:
+		tone = 1;
+		break;
+	case SEC_TONE_OFF:
+		tone = 0;
+		break;
+	default:
+		dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_tone_mode\n",
+				__func__);
+		ret = -EINVAL;
+		goto error;
+	}
+
+	cmd.args[0] = CMD_LNB_PCB_CONFIG;
+	cmd.args[1] = 0;
+	cmd.args[2] = 0x00;
+	cmd.args[3] = 0x00;
+	cmd.args[4] = tone;
+	cmd.len = 5;
+	ret = tda10071_cmd_execute(priv, &cmd);
+	if (ret)
+		goto error;
+
+	return ret;
+error:
+	dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
+	return ret;
+}
+
+static int tda10071_set_voltage(struct dvb_frontend *fe,
+	fe_sec_voltage_t fe_sec_voltage)
+{
+	struct tda10071_priv *priv = fe->demodulator_priv;
+	struct tda10071_cmd cmd;
+	int ret;
+	u8 voltage;
+
+	if (!priv->warm) {
+		ret = -EFAULT;
+		goto error;
+	}
+
+	dev_dbg(&priv->i2c->dev, "%s: voltage=%d\n", __func__, fe_sec_voltage);
+
+	switch (fe_sec_voltage) {
+	case SEC_VOLTAGE_13:
+		voltage = 0;
+		break;
+	case SEC_VOLTAGE_18:
+		voltage = 1;
+		break;
+	case SEC_VOLTAGE_OFF:
+		voltage = 0;
+		break;
+	default:
+		dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_voltage\n",
+				__func__);
+		ret = -EINVAL;
+		goto error;
+	}
+
+	cmd.args[0] = CMD_LNB_SET_DC_LEVEL;
+	cmd.args[1] = 0;
+	cmd.args[2] = voltage;
+	cmd.len = 3;
+	ret = tda10071_cmd_execute(priv, &cmd);
+	if (ret)
+		goto error;
+
+	return ret;
+error:
+	dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
+	return ret;
+}
+
+static int tda10071_diseqc_send_master_cmd(struct dvb_frontend *fe,
+	struct dvb_diseqc_master_cmd *diseqc_cmd)
+{
+	struct tda10071_priv *priv = fe->demodulator_priv;
+	struct tda10071_cmd cmd;
+	int ret, i;
+	u8 tmp;
+
+	if (!priv->warm) {
+		ret = -EFAULT;
+		goto error;
+	}
+
+	dev_dbg(&priv->i2c->dev, "%s: msg_len=%d\n", __func__,
+			diseqc_cmd->msg_len);
+
+	if (diseqc_cmd->msg_len < 3 || diseqc_cmd->msg_len > 6) {
+		ret = -EINVAL;
+		goto error;
+	}
+
+	/* wait LNB TX */
+	for (i = 500, tmp = 0; i && !tmp; i--) {
+		ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x01);
+		if (ret)
+			goto error;
+
+		usleep_range(10000, 20000);
+	}
+
+	dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
+
+	if (i == 0) {
+		ret = -ETIMEDOUT;
+		goto error;
+	}
+
+	ret = tda10071_wr_reg_mask(priv, 0x47, 0x00, 0x01);
+	if (ret)
+		goto error;
+
+	cmd.args[0] = CMD_LNB_SEND_DISEQC;
+	cmd.args[1] = 0;
+	cmd.args[2] = 0;
+	cmd.args[3] = 0;
+	cmd.args[4] = 2;
+	cmd.args[5] = 0;
+	cmd.args[6] = diseqc_cmd->msg_len;
+	memcpy(&cmd.args[7], diseqc_cmd->msg, diseqc_cmd->msg_len);
+	cmd.len = 7 + diseqc_cmd->msg_len;
+	ret = tda10071_cmd_execute(priv, &cmd);
+	if (ret)
+		goto error;
+
+	return ret;
+error:
+	dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
+	return ret;
+}
+
+static int tda10071_diseqc_recv_slave_reply(struct dvb_frontend *fe,
+	struct dvb_diseqc_slave_reply *reply)
+{
+	struct tda10071_priv *priv = fe->demodulator_priv;
+	struct tda10071_cmd cmd;
+	int ret, i;
+	u8 tmp;
+
+	if (!priv->warm) {
+		ret = -EFAULT;
+		goto error;
+	}
+
+	dev_dbg(&priv->i2c->dev, "%s:\n", __func__);
+
+	/* wait LNB RX */
+	for (i = 500, tmp = 0; i && !tmp; i--) {
+		ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x02);
+		if (ret)
+			goto error;
+
+		usleep_range(10000, 20000);
+	}
+
+	dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
+
+	if (i == 0) {
+		ret = -ETIMEDOUT;
+		goto error;
+	}
+
+	/* reply len */
+	ret = tda10071_rd_reg(priv, 0x46, &tmp);
+	if (ret)
+		goto error;
+
+	reply->msg_len = tmp & 0x1f; /* [4:0] */
+	if (reply->msg_len > sizeof(reply->msg))
+		reply->msg_len = sizeof(reply->msg); /* truncate API max */
+
+	/* read reply */
+	cmd.args[0] = CMD_LNB_UPDATE_REPLY;
+	cmd.args[1] = 0;
+	cmd.len = 2;
+	ret = tda10071_cmd_execute(priv, &cmd);
+	if (ret)
+		goto error;
+
+	ret = tda10071_rd_regs(priv, cmd.len, reply->msg, reply->msg_len);
+	if (ret)
+		goto error;
+
+	return ret;
+error:
+	dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
+	return ret;
+}
+
+static int tda10071_diseqc_send_burst(struct dvb_frontend *fe,
+	fe_sec_mini_cmd_t fe_sec_mini_cmd)
+{
+	struct tda10071_priv *priv = fe->demodulator_priv;
+	struct tda10071_cmd cmd;
+	int ret, i;
+	u8 tmp, burst;
+
+	if (!priv->warm) {
+		ret = -EFAULT;
+		goto error;
+	}
+
+	dev_dbg(&priv->i2c->dev, "%s: fe_sec_mini_cmd=%d\n", __func__,
+			fe_sec_mini_cmd);
+
+	switch (fe_sec_mini_cmd) {
+	case SEC_MINI_A:
+		burst = 0;
+		break;
+	case SEC_MINI_B:
+		burst = 1;
+		break;
+	default:
+		dev_dbg(&priv->i2c->dev, "%s: invalid fe_sec_mini_cmd\n",
+				__func__);
+		ret = -EINVAL;
+		goto error;
+	}
+
+	/* wait LNB TX */
+	for (i = 500, tmp = 0; i && !tmp; i--) {
+		ret = tda10071_rd_reg_mask(priv, 0x47, &tmp, 0x01);
+		if (ret)
+			goto error;
+
+		usleep_range(10000, 20000);
+	}
+
+	dev_dbg(&priv->i2c->dev, "%s: loop=%d\n", __func__, i);
+
+	if (i == 0) {
+		ret = -ETIMEDOUT;
+		goto error;
+	}
+
+	ret = tda10071_wr_reg_mask(priv, 0x47, 0x00, 0x01);
+	if (ret)
+		goto error;
+
+	cmd.args[0] = CMD_LNB_SEND_TONEBURST;
+	cmd.args[1] = 0;
+	cmd.args[2] = burst;
+	cmd.len = 3;
+	ret = tda10071_cmd_execute(priv, &cmd);
+	if (ret)
+		goto error;
+
+	return ret;
+error:
+	dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
+	return ret;
+}
+
+static int tda10071_read_status(struct dvb_frontend *fe, fe_status_t *status)
+{
+	struct tda10071_priv *priv = fe->demodulator_priv;
+	int ret;
+	u8 tmp;
+
+	*status = 0;
+
+	if (!priv->warm) {
+		ret = 0;
+		goto error;
+	}
+
+	ret = tda10071_rd_reg(priv, 0x39, &tmp);
+	if (ret)
+		goto error;
+
+	/* 0x39[0] tuner PLL */
+	if (tmp & 0x02) /* demod PLL */
+		*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER;
+	if (tmp & 0x04) /* viterbi or LDPC*/
+		*status |= FE_HAS_VITERBI;
+	if (tmp & 0x08) /* RS or BCH */
+		*status |= FE_HAS_SYNC | FE_HAS_LOCK;
+
+	priv->fe_status = *status;
+
+	return ret;
+error:
+	dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
+	return ret;
+}
+
+static int tda10071_read_snr(struct dvb_frontend *fe, u16 *snr)
+{
+	struct tda10071_priv *priv = fe->demodulator_priv;
+	int ret;
+	u8 buf[2];
+
+	if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
+		*snr = 0;
+		ret = 0;
+		goto error;
+	}
+
+	ret = tda10071_rd_regs(priv, 0x3a, buf, 2);
+	if (ret)
+		goto error;
+
+	/* Es/No dBx10 */
+	*snr = buf[0] << 8 | buf[1];
+
+	return ret;
+error:
+	dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
+	return ret;
+}
+
+static int tda10071_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
+{
+	struct tda10071_priv *priv = fe->demodulator_priv;
+	struct tda10071_cmd cmd;
+	int ret;
+	u8 tmp;
+
+	if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
+		*strength = 0;
+		ret = 0;
+		goto error;
+	}
+
+	cmd.args[0] = CMD_GET_AGCACC;
+	cmd.args[1] = 0;
+	cmd.len = 2;
+	ret = tda10071_cmd_execute(priv, &cmd);
+	if (ret)
+		goto error;
+
+	/* input power estimate dBm */
+	ret = tda10071_rd_reg(priv, 0x50, &tmp);
+	if (ret)
+		goto error;
+
+	if (tmp < 181)
+		tmp = 181; /* -75 dBm */
+	else if (tmp > 236)
+		tmp = 236; /* -20 dBm */
+
+	/* scale value to 0x0000-0xffff */
+	*strength = (tmp-181) * 0xffff / (236-181);
+
+	return ret;
+error:
+	dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
+	return ret;
+}
+
+static int tda10071_read_ber(struct dvb_frontend *fe, u32 *ber)
+{
+	struct tda10071_priv *priv = fe->demodulator_priv;
+	struct tda10071_cmd cmd;
+	int ret, i, len;
+	u8 tmp, reg, buf[8];
+
+	if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
+		*ber = priv->ber = 0;
+		ret = 0;
+		goto error;
+	}
+
+	switch (priv->delivery_system) {
+	case SYS_DVBS:
+		reg = 0x4c;
+		len = 8;
+		i = 1;
+		break;
+	case SYS_DVBS2:
+		reg = 0x4d;
+		len = 4;
+		i = 0;
+		break;
+	default:
+		*ber = priv->ber = 0;
+		return 0;
+	}
+
+	ret = tda10071_rd_reg(priv, reg, &tmp);
+	if (ret)
+		goto error;
+
+	if (priv->meas_count[i] == tmp) {
+		dev_dbg(&priv->i2c->dev, "%s: meas not ready=%02x\n", __func__,
+				tmp);
+		*ber = priv->ber;
+		return 0;
+	} else {
+		priv->meas_count[i] = tmp;
+	}
+
+	cmd.args[0] = CMD_BER_UPDATE_COUNTERS;
+	cmd.args[1] = 0;
+	cmd.args[2] = i;
+	cmd.len = 3;
+	ret = tda10071_cmd_execute(priv, &cmd);
+	if (ret)
+		goto error;
+
+	ret = tda10071_rd_regs(priv, cmd.len, buf, len);
+	if (ret)
+		goto error;
+
+	if (priv->delivery_system == SYS_DVBS) {
+		*ber = (buf[0] << 24) | (buf[1] << 16) | (buf[2] << 8) | buf[3];
+		priv->ucb += (buf[4] << 8) | buf[5];
+	} else {
+		*ber = (buf[0] << 8) | buf[1];
+	}
+	priv->ber = *ber;
+
+	return ret;
+error:
+	dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
+	return ret;
+}
+
+static int tda10071_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
+{
+	struct tda10071_priv *priv = fe->demodulator_priv;
+	int ret = 0;
+
+	if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
+		*ucblocks = 0;
+		goto error;
+	}
+
+	/* UCB is updated when BER is read. Assume BER is read anyway. */
+
+	*ucblocks = priv->ucb;
+
+	return ret;
+error:
+	dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
+	return ret;
+}
+
+static int tda10071_set_frontend(struct dvb_frontend *fe)
+{
+	struct tda10071_priv *priv = fe->demodulator_priv;
+	struct tda10071_cmd cmd;
+	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+	int ret, i;
+	u8 mode, rolloff, pilot, inversion, div;
+	fe_modulation_t modulation;
+
+	dev_dbg(&priv->i2c->dev,
+			"%s: delivery_system=%d modulation=%d frequency=%d symbol_rate=%d inversion=%d pilot=%d rolloff=%d\n",
+			__func__, c->delivery_system, c->modulation,
+			c->frequency, c->symbol_rate, c->inversion, c->pilot,
+			c->rolloff);
+
+	priv->delivery_system = SYS_UNDEFINED;
+
+	if (!priv->warm) {
+		ret = -EFAULT;
+		goto error;
+	}
+
+	switch (c->inversion) {
+	case INVERSION_OFF:
+		inversion = 1;
+		break;
+	case INVERSION_ON:
+		inversion = 0;
+		break;
+	case INVERSION_AUTO:
+		/* 2 = auto; try first on then off
+		 * 3 = auto; try first off then on */
+		inversion = 3;
+		break;
+	default:
+		dev_dbg(&priv->i2c->dev, "%s: invalid inversion\n", __func__);
+		ret = -EINVAL;
+		goto error;
+	}
+
+	switch (c->delivery_system) {
+	case SYS_DVBS:
+		modulation = QPSK;
+		rolloff = 0;
+		pilot = 2;
+		break;
+	case SYS_DVBS2:
+		modulation = c->modulation;
+
+		switch (c->rolloff) {
+		case ROLLOFF_20:
+			rolloff = 2;
+			break;
+		case ROLLOFF_25:
+			rolloff = 1;
+			break;
+		case ROLLOFF_35:
+			rolloff = 0;
+			break;
+		case ROLLOFF_AUTO:
+		default:
+			dev_dbg(&priv->i2c->dev, "%s: invalid rolloff\n",
+					__func__);
+			ret = -EINVAL;
+			goto error;
+		}
+
+		switch (c->pilot) {
+		case PILOT_OFF:
+			pilot = 0;
+			break;
+		case PILOT_ON:
+			pilot = 1;
+			break;
+		case PILOT_AUTO:
+			pilot = 2;
+			break;
+		default:
+			dev_dbg(&priv->i2c->dev, "%s: invalid pilot\n",
+					__func__);
+			ret = -EINVAL;
+			goto error;
+		}
+		break;
+	default:
+		dev_dbg(&priv->i2c->dev, "%s: invalid delivery_system\n",
+				__func__);
+		ret = -EINVAL;
+		goto error;
+	}
+
+	for (i = 0, mode = 0xff; i < ARRAY_SIZE(TDA10071_MODCOD); i++) {
+		if (c->delivery_system == TDA10071_MODCOD[i].delivery_system &&
+			modulation == TDA10071_MODCOD[i].modulation &&
+			c->fec_inner == TDA10071_MODCOD[i].fec) {
+			mode = TDA10071_MODCOD[i].val;
+			dev_dbg(&priv->i2c->dev, "%s: mode found=%02x\n",
+					__func__, mode);
+			break;
+		}
+	}
+
+	if (mode == 0xff) {
+		dev_dbg(&priv->i2c->dev, "%s: invalid parameter combination\n",
+				__func__);
+		ret = -EINVAL;
+		goto error;
+	}
+
+	if (c->symbol_rate <= 5000000)
+		div = 14;
+	else
+		div = 4;
+
+	ret = tda10071_wr_reg(priv, 0x81, div);
+	if (ret)
+		goto error;
+
+	ret = tda10071_wr_reg(priv, 0xe3, div);
+	if (ret)
+		goto error;
+
+	cmd.args[0] = CMD_CHANGE_CHANNEL;
+	cmd.args[1] = 0;
+	cmd.args[2] = mode;
+	cmd.args[3] = (c->frequency >> 16) & 0xff;
+	cmd.args[4] = (c->frequency >>  8) & 0xff;
+	cmd.args[5] = (c->frequency >>  0) & 0xff;
+	cmd.args[6] = ((c->symbol_rate / 1000) >> 8) & 0xff;
+	cmd.args[7] = ((c->symbol_rate / 1000) >> 0) & 0xff;
+	cmd.args[8] = (tda10071_ops.info.frequency_tolerance >> 8) & 0xff;
+	cmd.args[9] = (tda10071_ops.info.frequency_tolerance >> 0) & 0xff;
+	cmd.args[10] = rolloff;
+	cmd.args[11] = inversion;
+	cmd.args[12] = pilot;
+	cmd.args[13] = 0x00;
+	cmd.args[14] = 0x00;
+	cmd.len = 15;
+	ret = tda10071_cmd_execute(priv, &cmd);
+	if (ret)
+		goto error;
+
+	priv->delivery_system = c->delivery_system;
+
+	return ret;
+error:
+	dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
+	return ret;
+}
+
+static int tda10071_get_frontend(struct dvb_frontend *fe)
+{
+	struct tda10071_priv *priv = fe->demodulator_priv;
+	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
+	int ret, i;
+	u8 buf[5], tmp;
+
+	if (!priv->warm || !(priv->fe_status & FE_HAS_LOCK)) {
+		ret = -EFAULT;
+		goto error;
+	}
+
+	ret = tda10071_rd_regs(priv, 0x30, buf, 5);
+	if (ret)
+		goto error;
+
+	tmp = buf[0] & 0x3f;
+	for (i = 0; i < ARRAY_SIZE(TDA10071_MODCOD); i++) {
+		if (tmp == TDA10071_MODCOD[i].val) {
+			c->modulation = TDA10071_MODCOD[i].modulation;
+			c->fec_inner = TDA10071_MODCOD[i].fec;
+			c->delivery_system = TDA10071_MODCOD[i].delivery_system;
+		}
+	}
+
+	switch ((buf[1] >> 0) & 0x01) {
+	case 0:
+		c->inversion = INVERSION_ON;
+		break;
+	case 1:
+		c->inversion = INVERSION_OFF;
+		break;
+	}
+
+	switch ((buf[1] >> 7) & 0x01) {
+	case 0:
+		c->pilot = PILOT_OFF;
+		break;
+	case 1:
+		c->pilot = PILOT_ON;
+		break;
+	}
+
+	c->frequency = (buf[2] << 16) | (buf[3] << 8) | (buf[4] << 0);
+
+	ret = tda10071_rd_regs(priv, 0x52, buf, 3);
+	if (ret)
+		goto error;
+
+	c->symbol_rate = ((buf[0] << 16) | (buf[1] << 8) | (buf[2] << 0)) * 1000;
+
+	return ret;
+error:
+	dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
+	return ret;
+}
+
+static int tda10071_init(struct dvb_frontend *fe)
+{
+	struct tda10071_priv *priv = fe->demodulator_priv;
+	struct tda10071_cmd cmd;
+	int ret, i, len, remaining, fw_size;
+	const struct firmware *fw;
+	u8 *fw_file = TDA10071_FIRMWARE;
+	u8 tmp, buf[4];
+	struct tda10071_reg_val_mask tab[] = {
+		{ 0xcd, 0x00, 0x07 },
+		{ 0x80, 0x00, 0x02 },
+		{ 0xcd, 0x00, 0xc0 },
+		{ 0xce, 0x00, 0x1b },
+		{ 0x9d, 0x00, 0x01 },
+		{ 0x9d, 0x00, 0x02 },
+		{ 0x9e, 0x00, 0x01 },
+		{ 0x87, 0x00, 0x80 },
+		{ 0xce, 0x00, 0x08 },
+		{ 0xce, 0x00, 0x10 },
+	};
+	struct tda10071_reg_val_mask tab2[] = {
+		{ 0xf1, 0x70, 0xff },
+		{ 0x88, priv->cfg.pll_multiplier, 0x3f },
+		{ 0x89, 0x00, 0x10 },
+		{ 0x89, 0x10, 0x10 },
+		{ 0xc0, 0x01, 0x01 },
+		{ 0xc0, 0x00, 0x01 },
+		{ 0xe0, 0xff, 0xff },
+		{ 0xe0, 0x00, 0xff },
+		{ 0x96, 0x1e, 0x7e },
+		{ 0x8b, 0x08, 0x08 },
+		{ 0x8b, 0x00, 0x08 },
+		{ 0x8f, 0x1a, 0x7e },
+		{ 0x8c, 0x68, 0xff },
+		{ 0x8d, 0x08, 0xff },
+		{ 0x8e, 0x4c, 0xff },
+		{ 0x8f, 0x01, 0x01 },
+		{ 0x8b, 0x04, 0x04 },
+		{ 0x8b, 0x00, 0x04 },
+		{ 0x87, 0x05, 0x07 },
+		{ 0x80, 0x00, 0x20 },
+		{ 0xc8, 0x01, 0xff },
+		{ 0xb4, 0x47, 0xff },
+		{ 0xb5, 0x9c, 0xff },
+		{ 0xb6, 0x7d, 0xff },
+		{ 0xba, 0x00, 0x03 },
+		{ 0xb7, 0x47, 0xff },
+		{ 0xb8, 0x9c, 0xff },
+		{ 0xb9, 0x7d, 0xff },
+		{ 0xba, 0x00, 0x0c },
+		{ 0xc8, 0x00, 0xff },
+		{ 0xcd, 0x00, 0x04 },
+		{ 0xcd, 0x00, 0x20 },
+		{ 0xe8, 0x02, 0xff },
+		{ 0xcf, 0x20, 0xff },
+		{ 0x9b, 0xd7, 0xff },
+		{ 0x9a, 0x01, 0x03 },
+		{ 0xa8, 0x05, 0x0f },
+		{ 0xa8, 0x65, 0xf0 },
+		{ 0xa6, 0xa0, 0xf0 },
+		{ 0x9d, 0x50, 0xfc },
+		{ 0x9e, 0x20, 0xe0 },
+		{ 0xa3, 0x1c, 0x7c },
+		{ 0xd5, 0x03, 0x03 },
+	};
+
+	if (priv->warm) {
+		/* warm state - wake up device from sleep */
+
+		for (i = 0; i < ARRAY_SIZE(tab); i++) {
+			ret = tda10071_wr_reg_mask(priv, tab[i].reg,
+				tab[i].val, tab[i].mask);
+			if (ret)
+				goto error;
+		}
+
+		cmd.args[0] = CMD_SET_SLEEP_MODE;
+		cmd.args[1] = 0;
+		cmd.args[2] = 0;
+		cmd.len = 3;
+		ret = tda10071_cmd_execute(priv, &cmd);
+		if (ret)
+			goto error;
+	} else {
+		/* cold state - try to download firmware */
+
+		/* request the firmware, this will block and timeout */
+		ret = request_firmware(&fw, fw_file, priv->i2c->dev.parent);
+		if (ret) {
+			dev_err(&priv->i2c->dev,
+					"%s: did not find the firmware file. (%s) Please see linux/Documentation/dvb/ for more details on firmware-problems. (%d)\n",
+					KBUILD_MODNAME, fw_file, ret);
+			goto error;
+		}
+
+		/* init */
+		for (i = 0; i < ARRAY_SIZE(tab2); i++) {
+			ret = tda10071_wr_reg_mask(priv, tab2[i].reg,
+				tab2[i].val, tab2[i].mask);
+			if (ret)
+				goto error_release_firmware;
+		}
+
+		/*  download firmware */
+		ret = tda10071_wr_reg(priv, 0xe0, 0x7f);
+		if (ret)
+			goto error_release_firmware;
+
+		ret = tda10071_wr_reg(priv, 0xf7, 0x81);
+		if (ret)
+			goto error_release_firmware;
+
+		ret = tda10071_wr_reg(priv, 0xf8, 0x00);
+		if (ret)
+			goto error_release_firmware;
+
+		ret = tda10071_wr_reg(priv, 0xf9, 0x00);
+		if (ret)
+			goto error_release_firmware;
+
+		dev_info(&priv->i2c->dev,
+				"%s: found a '%s' in cold state, will try to load a firmware\n",
+				KBUILD_MODNAME, tda10071_ops.info.name);
+		dev_info(&priv->i2c->dev,
+				"%s: downloading firmware from file '%s'\n",
+				KBUILD_MODNAME, fw_file);
+
+		/* do not download last byte */
+		fw_size = fw->size - 1;
+
+		for (remaining = fw_size; remaining > 0;
+			remaining -= (priv->cfg.i2c_wr_max - 1)) {
+			len = remaining;
+			if (len > (priv->cfg.i2c_wr_max - 1))
+				len = (priv->cfg.i2c_wr_max - 1);
+
+			ret = tda10071_wr_regs(priv, 0xfa,
+				(u8 *) &fw->data[fw_size - remaining], len);
+			if (ret) {
+				dev_err(&priv->i2c->dev,
+						"%s: firmware download failed=%d\n",
+						KBUILD_MODNAME, ret);
+				goto error_release_firmware;
+			}
+		}
+		release_firmware(fw);
+
+		ret = tda10071_wr_reg(priv, 0xf7, 0x0c);
+		if (ret)
+			goto error;
+
+		ret = tda10071_wr_reg(priv, 0xe0, 0x00);
+		if (ret)
+			goto error;
+
+		/* wait firmware start */
+		msleep(250);
+
+		/* firmware status */
+		ret = tda10071_rd_reg(priv, 0x51, &tmp);
+		if (ret)
+			goto error;
+
+		if (tmp) {
+			dev_info(&priv->i2c->dev, "%s: firmware did not run\n",
+					KBUILD_MODNAME);
+			ret = -EFAULT;
+			goto error;
+		} else {
+			priv->warm = true;
+		}
+
+		cmd.args[0] = CMD_GET_FW_VERSION;
+		cmd.len = 1;
+		ret = tda10071_cmd_execute(priv, &cmd);
+		if (ret)
+			goto error;
+
+		ret = tda10071_rd_regs(priv, cmd.len, buf, 4);
+		if (ret)
+			goto error;
+
+		dev_info(&priv->i2c->dev, "%s: firmware version %d.%d.%d.%d\n",
+				KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3]);
+		dev_info(&priv->i2c->dev, "%s: found a '%s' in warm state\n",
+				KBUILD_MODNAME, tda10071_ops.info.name);
+
+		ret = tda10071_rd_regs(priv, 0x81, buf, 2);
+		if (ret)
+			goto error;
+
+		cmd.args[0] = CMD_DEMOD_INIT;
+		cmd.args[1] = ((priv->cfg.xtal / 1000) >> 8) & 0xff;
+		cmd.args[2] = ((priv->cfg.xtal / 1000) >> 0) & 0xff;
+		cmd.args[3] = buf[0];
+		cmd.args[4] = buf[1];
+		cmd.args[5] = priv->cfg.pll_multiplier;
+		cmd.args[6] = priv->cfg.spec_inv;
+		cmd.args[7] = 0x00;
+		cmd.len = 8;
+		ret = tda10071_cmd_execute(priv, &cmd);
+		if (ret)
+			goto error;
+
+		if (priv->cfg.tuner_i2c_addr)
+			tmp = priv->cfg.tuner_i2c_addr;
+		else
+			tmp = 0x14;
+
+		cmd.args[0] = CMD_TUNER_INIT;
+		cmd.args[1] = 0x00;
+		cmd.args[2] = 0x00;
+		cmd.args[3] = 0x00;
+		cmd.args[4] = 0x00;
+		cmd.args[5] = tmp;
+		cmd.args[6] = 0x00;
+		cmd.args[7] = 0x03;
+		cmd.args[8] = 0x02;
+		cmd.args[9] = 0x02;
+		cmd.args[10] = 0x00;
+		cmd.args[11] = 0x00;
+		cmd.args[12] = 0x00;
+		cmd.args[13] = 0x00;
+		cmd.args[14] = 0x00;
+		cmd.len = 15;
+		ret = tda10071_cmd_execute(priv, &cmd);
+		if (ret)
+			goto error;
+
+		cmd.args[0] = CMD_MPEG_CONFIG;
+		cmd.args[1] = 0;
+		cmd.args[2] = priv->cfg.ts_mode;
+		cmd.args[3] = 0x00;
+		cmd.args[4] = 0x04;
+		cmd.args[5] = 0x00;
+		cmd.len = 6;
+		ret = tda10071_cmd_execute(priv, &cmd);
+		if (ret)
+			goto error;
+
+		ret = tda10071_wr_reg_mask(priv, 0xf0, 0x01, 0x01);
+		if (ret)
+			goto error;
+
+		cmd.args[0] = CMD_LNB_CONFIG;
+		cmd.args[1] = 0;
+		cmd.args[2] = 150;
+		cmd.args[3] = 3;
+		cmd.args[4] = 22;
+		cmd.args[5] = 1;
+		cmd.args[6] = 1;
+		cmd.args[7] = 30;
+		cmd.args[8] = 30;
+		cmd.args[9] = 30;
+		cmd.args[10] = 30;
+		cmd.len = 11;
+		ret = tda10071_cmd_execute(priv, &cmd);
+		if (ret)
+			goto error;
+
+		cmd.args[0] = CMD_BER_CONTROL;
+		cmd.args[1] = 0;
+		cmd.args[2] = 14;
+		cmd.args[3] = 14;
+		cmd.len = 4;
+		ret = tda10071_cmd_execute(priv, &cmd);
+		if (ret)
+			goto error;
+	}
+
+	return ret;
+error_release_firmware:
+	release_firmware(fw);
+error:
+	dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
+	return ret;
+}
+
+static int tda10071_sleep(struct dvb_frontend *fe)
+{
+	struct tda10071_priv *priv = fe->demodulator_priv;
+	struct tda10071_cmd cmd;
+	int ret, i;
+	struct tda10071_reg_val_mask tab[] = {
+		{ 0xcd, 0x07, 0x07 },
+		{ 0x80, 0x02, 0x02 },
+		{ 0xcd, 0xc0, 0xc0 },
+		{ 0xce, 0x1b, 0x1b },
+		{ 0x9d, 0x01, 0x01 },
+		{ 0x9d, 0x02, 0x02 },
+		{ 0x9e, 0x01, 0x01 },
+		{ 0x87, 0x80, 0x80 },
+		{ 0xce, 0x08, 0x08 },
+		{ 0xce, 0x10, 0x10 },
+	};
+
+	if (!priv->warm) {
+		ret = -EFAULT;
+		goto error;
+	}
+
+	cmd.args[0] = CMD_SET_SLEEP_MODE;
+	cmd.args[1] = 0;
+	cmd.args[2] = 1;
+	cmd.len = 3;
+	ret = tda10071_cmd_execute(priv, &cmd);
+	if (ret)
+		goto error;
+
+	for (i = 0; i < ARRAY_SIZE(tab); i++) {
+		ret = tda10071_wr_reg_mask(priv, tab[i].reg, tab[i].val,
+			tab[i].mask);
+		if (ret)
+			goto error;
+	}
+
+	return ret;
+error:
+	dev_dbg(&priv->i2c->dev, "%s: failed=%d\n", __func__, ret);
+	return ret;
+}
+
+static int tda10071_get_tune_settings(struct dvb_frontend *fe,
+	struct dvb_frontend_tune_settings *s)
+{
+	s->min_delay_ms = 8000;
+	s->step_size = 0;
+	s->max_drift = 0;
+
+	return 0;
+}
+
+static void tda10071_release(struct dvb_frontend *fe)
+{
+	struct tda10071_priv *priv = fe->demodulator_priv;
+	kfree(priv);
+}
+
+struct dvb_frontend *tda10071_attach(const struct tda10071_config *config,
+	struct i2c_adapter *i2c)
+{
+	int ret;
+	struct tda10071_priv *priv = NULL;
+	u8 tmp;
+
+	/* allocate memory for the internal priv */
+	priv = kzalloc(sizeof(struct tda10071_priv), GFP_KERNEL);
+	if (priv == NULL) {
+		ret = -ENOMEM;
+		goto error;
+	}
+
+	/* make sure demod i2c address is specified */
+	if (!config->demod_i2c_addr) {
+		dev_dbg(&i2c->dev, "%s: invalid demod i2c address\n", __func__);
+		ret = -EINVAL;
+		goto error;
+	}
+
+	/* make sure tuner i2c address is specified */
+	if (!config->tuner_i2c_addr) {
+		dev_dbg(&i2c->dev, "%s: invalid tuner i2c address\n", __func__);
+		ret = -EINVAL;
+		goto error;
+	}
+
+	/* setup the priv */
+	priv->i2c = i2c;
+	memcpy(&priv->cfg, config, sizeof(struct tda10071_config));
+
+	/* chip ID */
+	ret = tda10071_rd_reg(priv, 0xff, &tmp);
+	if (ret || tmp != 0x0f)
+		goto error;
+
+	/* chip type */
+	ret = tda10071_rd_reg(priv, 0xdd, &tmp);
+	if (ret || tmp != 0x00)
+		goto error;
+
+	/* chip version */
+	ret = tda10071_rd_reg(priv, 0xfe, &tmp);
+	if (ret || tmp != 0x01)
+		goto error;
+
+	/* create dvb_frontend */
+	memcpy(&priv->fe.ops, &tda10071_ops, sizeof(struct dvb_frontend_ops));
+	priv->fe.demodulator_priv = priv;
+
+	return &priv->fe;
+error:
+	dev_dbg(&i2c->dev, "%s: failed=%d\n", __func__, ret);
+	kfree(priv);
+	return NULL;
+}
+EXPORT_SYMBOL(tda10071_attach);
+
+static struct dvb_frontend_ops tda10071_ops = {
+	.delsys = { SYS_DVBS, SYS_DVBS2 },
+	.info = {
+		.name = "NXP TDA10071",
+		.frequency_min = 950000,
+		.frequency_max = 2150000,
+		.frequency_tolerance = 5000,
+		.symbol_rate_min = 1000000,
+		.symbol_rate_max = 45000000,
+		.caps = FE_CAN_INVERSION_AUTO |
+			FE_CAN_FEC_1_2 |
+			FE_CAN_FEC_2_3 |
+			FE_CAN_FEC_3_4 |
+			FE_CAN_FEC_4_5 |
+			FE_CAN_FEC_5_6 |
+			FE_CAN_FEC_6_7 |
+			FE_CAN_FEC_7_8 |
+			FE_CAN_FEC_8_9 |
+			FE_CAN_FEC_AUTO |
+			FE_CAN_QPSK |
+			FE_CAN_RECOVER |
+			FE_CAN_2G_MODULATION
+	},
+
+	.release = tda10071_release,
+
+	.get_tune_settings = tda10071_get_tune_settings,
+
+	.init = tda10071_init,
+	.sleep = tda10071_sleep,
+
+	.set_frontend = tda10071_set_frontend,
+	.get_frontend = tda10071_get_frontend,
+
+	.read_status = tda10071_read_status,
+	.read_snr = tda10071_read_snr,
+	.read_signal_strength = tda10071_read_signal_strength,
+	.read_ber = tda10071_read_ber,
+	.read_ucblocks = tda10071_read_ucblocks,
+
+	.diseqc_send_master_cmd = tda10071_diseqc_send_master_cmd,
+	.diseqc_recv_slave_reply = tda10071_diseqc_recv_slave_reply,
+	.diseqc_send_burst = tda10071_diseqc_send_burst,
+
+	.set_tone = tda10071_set_tone,
+	.set_voltage = tda10071_set_voltage,
+};
+
+MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
+MODULE_DESCRIPTION("NXP TDA10071 DVB-S/S2 demodulator driver");
+MODULE_LICENSE("GPL");
+MODULE_FIRMWARE(TDA10071_FIRMWARE);