Release 4.7 drivers/media/dvb-frontends/af9013.c

Directory: drivers/media/dvb-frontends
/*
 * Afatech AF9013 demodulator driver
 *
 * Copyright (C) 2007 Antti Palosaari <crope@iki.fi>
 * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
 *
 * Thanks to Afatech who kindly provided information.
 *
 *    This program is free software; you can redistribute it and/or modify
 *    it under the terms of the GNU General Public License as published by
 *    the Free Software Foundation; either version 2 of the License, or
 *    (at your option) any later version.
 *
 *    This program is distributed in the hope that it will be useful,
 *    but WITHOUT ANY WARRANTY; without even the implied warranty of
 *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *    GNU General Public License for more details.
 *
 *    You should have received a copy of the GNU General Public License
 *    along with this program; if not, write to the Free Software
 *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 *
 */

#include "af9013_priv.h"

/* Max transfer size done by I2C transfer functions */

#define MAX_XFER_SIZE  64


struct af9013_state {
	
struct i2c_adapter *i2c;
	
struct dvb_frontend fe;
	
struct af9013_config config;

	/* 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;
	
unsigned long set_frontend_jiffies;
	
unsigned long read_status_jiffies;
	
bool first_tune;
	
bool i2c_gate_state;
	
unsigned int statistics_step:3;
	
struct delayed_work statistics_work;
};

/* write multiple registers */


static int af9013_wr_regs_i2c(struct af9013_state *priv, u8 mbox, u16 reg,
	const u8 *val, int len)
{
	int ret;
	u8 buf[MAX_XFER_SIZE];
	struct i2c_msg msg[1] = {
		{
			.addr = priv->config.i2c_addr,
			.flags = 0,
			.len = 3 + len,
			.buf = buf,
                }
	};

	if (3 + 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 >> 8) & 0xff;
	buf[1] = (reg >> 0) & 0xff;
	buf[2] = mbox;
	memcpy(&buf[3], 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=%04x " \
				"len=%d\n", KBUILD_MODNAME, ret, reg, len);
		ret = -EREMOTEIO;
	}
	return ret;
}

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mauro carvalho chehab mauro carvalho chehab 39 18.57% 1 25.00%
Total 210 100.00% 4 100.00%

/* read multiple registers */


static int af9013_rd_regs_i2c(struct af9013_state *priv, u8 mbox, u16 reg,
	u8 *val, int len)
{
	int ret;
	u8 buf[3];
	struct i2c_msg msg[2] = {
		{
			.addr = priv->config.i2c_addr,
			.flags = 0,
			.len = 3,
			.buf = buf,
                }, {
			.addr = priv->config.i2c_addr,
			.flags = I2C_M_RD,
			.len = len,
			.buf = val,
                }
	};

	buf[0] = (reg >> 8) & 0xff;
	buf[1] = (reg >> 0) & 0xff;
	buf[2] = mbox;

	ret = i2c_transfer(priv->i2c, msg, 2);
	if (ret == 2) {
		ret = 0;
	} else {
		dev_warn(&priv->i2c->dev, "%s: i2c rd failed=%d reg=%04x " \
				"len=%d\n", KBUILD_MODNAME, ret, reg, len);
		ret = -EREMOTEIO;
	}
	return ret;
}

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Total 185 100.00% 3 100.00%

/* write multiple registers */


static int af9013_wr_regs(struct af9013_state *priv, u16 reg, const u8 *val,
	int len)
{
	int ret, i;
	u8 mbox = (0 << 7)|(0 << 6)|(1 << 1)|(1 << 0);

	if ((priv->config.ts_mode == AF9013_TS_USB) &&
		((reg & 0xff00) != 0xff00) && ((reg & 0xff00) != 0xae00)) {
		mbox |= ((len - 1) << 2);
		ret = af9013_wr_regs_i2c(priv, mbox, reg, val, len);
	} else {
		for (i = 0; i < len; i++) {
			ret = af9013_wr_regs_i2c(priv, mbox, reg+i, val+i, 1);
			if (ret)
				goto err;
		}
	}

err:
	return 0;
}

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dan carpenter dan carpenter 2 1.22% 1 33.33%
Total 164 100.00% 3 100.00%

/* read multiple registers */


static int af9013_rd_regs(struct af9013_state *priv, u16 reg, u8 *val, int len)
{
	int ret, i;
	u8 mbox = (0 << 7)|(0 << 6)|(1 << 1)|(0 << 0);

	if ((priv->config.ts_mode == AF9013_TS_USB) &&
		((reg & 0xff00) != 0xff00) && ((reg & 0xff00) != 0xae00)) {
		mbox |= ((len - 1) << 2);
		ret = af9013_rd_regs_i2c(priv, mbox, reg, val, len);
	} else {
		for (i = 0; i < len; i++) {
			ret = af9013_rd_regs_i2c(priv, mbox, reg+i, val+i, 1);
			if (ret)
				goto err;
		}
	}

err:
	return 0;
}

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dan carpenter dan carpenter 2 1.23% 1 33.33%
Total 163 100.00% 3 100.00%

/* write single register */


static int af9013_wr_reg(struct af9013_state *priv, u16 reg, u8 val)
{
	return af9013_wr_regs(priv, reg, &val, 1);
}

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/* read single register */


static int af9013_rd_reg(struct af9013_state *priv, u16 reg, u8 *val)
{
	return af9013_rd_regs(priv, reg, val, 1);
}

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static int af9013_write_ofsm_regs(struct af9013_state *state, u16 reg, u8 *val,
	u8 len)
{
	u8 mbox = (1 << 7)|(1 << 6)|((len - 1) << 2)|(1 << 1)|(1 << 0);
	return af9013_wr_regs_i2c(state, mbox, reg, val, len);
}

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static int af9013_wr_reg_bits(struct af9013_state *state, u16 reg, int pos,
	int len, u8 val)
{
	int ret;
	u8 tmp, mask;

	/* no need for read if whole reg is written */
	if (len != 8) {
		ret = af9013_rd_reg(state, reg, &tmp);
		if (ret)
			return ret;

		mask = (0xff >> (8 - len)) << pos;
		val <<= pos;
		tmp &= ~mask;
		val |= tmp;
	}

	return af9013_wr_reg(state, reg, val);
}

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Total 96 100.00% 1 100.00%



static int af9013_rd_reg_bits(struct af9013_state *state, u16 reg, int pos,
	int len, u8 *val)
{
	int ret;
	u8 tmp;

	ret = af9013_rd_reg(state, reg, &tmp);
	if (ret)
		return ret;

	*val = (tmp >> pos);
	*val &= (0xff >> (8 - len));

	return 0;
}

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Total 74 100.00% 1 100.00%



static int af9013_set_gpio(struct af9013_state *state, u8 gpio, u8 gpioval)
{
	int ret;
	u8 pos;
	u16 addr;

	dev_dbg(&state->i2c->dev, "%s: gpio=%d gpioval=%02x\n",
			__func__, gpio, gpioval);

	/*
         * GPIO0 & GPIO1 0xd735
         * GPIO2 & GPIO3 0xd736
         */

	switch (gpio) {
	case 0:
	case 1:
		addr = 0xd735;
		break;
	case 2:
	case 3:
		addr = 0xd736;
		break;

	default:
		dev_err(&state->i2c->dev, "%s: invalid gpio=%d\n",
				KBUILD_MODNAME, gpio);
		ret = -EINVAL;
		goto err;
	}

	switch (gpio) {
	case 0:
	case 2:
		pos = 0;
		break;
	case 1:
	case 3:
	default:
		pos = 4;
		break;
	}

	ret = af9013_wr_reg_bits(state, addr, pos, 4, gpioval);
	if (ret)
		goto err;

	return ret;
err:
	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}

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Total 173 100.00% 3 100.00%



static u32 af9013_div(struct af9013_state *state, u32 a, u32 b, u32 x)
{
	u32 r = 0, c = 0, i;

	dev_dbg(&state->i2c->dev, "%s: a=%d b=%d x=%d\n", __func__, a, b, x);

	if (a > b) {
		c = a / b;
		a = a - c * b;
	}

	for (i = 0; i < x; i++) {
		if (a >= b) {
			r += 1;
			a -= b;
		}
		a <<= 1;
		r <<= 1;
	}
	r = (c << (u32)x) + r;

	dev_dbg(&state->i2c->dev, "%s: a=%d b=%d x=%d r=%d r=%x\n",
			__func__, a, b, x, r, r);

	return r;
}

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Total 152 100.00% 3 100.00%



static int af9013_power_ctrl(struct af9013_state *state, u8 onoff)
{
	int ret, i;
	u8 tmp;

	dev_dbg(&state->i2c->dev, "%s: onoff=%d\n", __func__, onoff);

	/* enable reset */
	ret = af9013_wr_reg_bits(state, 0xd417, 4, 1, 1);
	if (ret)
		goto err;

	/* start reset mechanism */
	ret = af9013_wr_reg(state, 0xaeff, 1);
	if (ret)
		goto err;

	/* wait reset performs */
	for (i = 0; i < 150; i++) {
		ret = af9013_rd_reg_bits(state, 0xd417, 1, 1, &tmp);
		if (ret)
			goto err;

		if (tmp)
			break; /* reset done */

		usleep_range(5000, 25000);
	}

	if (!tmp)
		return -ETIMEDOUT;

	if (onoff) {
		/* clear reset */
		ret = af9013_wr_reg_bits(state, 0xd417, 1, 1, 0);
		if (ret)
			goto err;

		/* disable reset */
		ret = af9013_wr_reg_bits(state, 0xd417, 4, 1, 0);

		/* power on */
		ret = af9013_wr_reg_bits(state, 0xd73a, 3, 1, 0);
	} else {
		/* power off */
		ret = af9013_wr_reg_bits(state, 0xd73a, 3, 1, 1);
	}

	return ret;
err:
	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}

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static int af9013_statistics_ber_unc_start(struct dvb_frontend *fe)
{
	struct af9013_state *state = fe->demodulator_priv;
	int ret;

	dev_dbg(&state->i2c->dev, "%s:\n", __func__);

	/* reset and start BER counter */
	ret = af9013_wr_reg_bits(state, 0xd391, 4, 1, 1);
	if (ret)
		goto err;

	return ret;
err:
	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}

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Total 84 100.00% 3 100.00%



static int af9013_statistics_ber_unc_result(struct dvb_frontend *fe)
{
	struct af9013_state *state = fe->demodulator_priv;
	int ret;
	u8 buf[5];

	dev_dbg(&state->i2c->dev, "%s:\n", __func__);

	/* check if error bit count is ready */
	ret = af9013_rd_reg_bits(state, 0xd391, 4, 1, &buf[0]);
	if (ret)
		goto err;

	if (!buf[0]) {
		dev_dbg(&state->i2c->dev, "%s: not ready\n", __func__);
		return 0;
	}

	ret = af9013_rd_regs(state, 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 ret;
err:
	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}

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Total 186 100.00% 4 100.00%



static int af9013_statistics_snr_start(struct dvb_frontend *fe)
{
	struct af9013_state *state = fe->demodulator_priv;
	int ret;

	dev_dbg(&state->i2c->dev, "%s:\n", __func__);

	/* start SNR meas */
	ret = af9013_wr_reg_bits(state, 0xd2e1, 3, 1, 1);
	if (ret)
		goto err;

	return ret;
err:
	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}

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Total 84 100.00% 3 100.00%



static int af9013_statistics_snr_result(struct dvb_frontend *fe)
{
	struct af9013_state *state = fe->demodulator_priv;
	int ret, i, len;
	u8 buf[3], tmp;
	u32 snr_val;
	const struct af9013_snr *uninitialized_var(snr_lut);

	dev_dbg(&state->i2c->dev, "%s:\n", __func__);

	/* check if SNR ready */
	ret = af9013_rd_reg_bits(state, 0xd2e1, 3, 1, &tmp);
	if (ret)
		goto err;

	if (!tmp) {
		dev_dbg(&state->i2c->dev, "%s: not ready\n", __func__);
		return 0;
	}

	/* read value */
	ret = af9013_rd_regs(state, 0xd2e3, buf, 3);
	if (ret)
		goto err;

	snr_val = (buf[2] << 16) | (buf[1] << 8) | buf[0];

	/* read current modulation */
	ret = af9013_rd_reg(state, 0xd3c1, &tmp);
	if (ret)
		goto err;

	switch ((tmp >> 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++) {
		tmp = snr_lut[i].snr;

		if (snr_val < snr_lut[i].val)
			break;
	}
	state->snr = tmp * 10; /* dB/10 */

	return ret;
err:
	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}

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static int af9013_statistics_signal_strength(struct dvb_frontend *fe)
{
	struct af9013_state *state = fe->demodulator_priv;
	int ret = 0;
	u8 buf[2], rf_gain, if_gain;
	int signal_strength;

	dev_dbg(&state->i2c->dev, "%s:\n", __func__);

	if (!state->signal_strength_en)
		return 0;

	ret = af9013_rd_regs(state, 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 ret;
err:
	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}

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Total 205 100.00% 4 100.00%



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;
	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));
}

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static int af9013_get_tune_settings(struct dvb_frontend *fe,
	struct dvb_frontend_tune_settings *fesettings)
{
	fesettings->min_delay_ms = 800;
	fesettings->step_size = 0;
	fesettings->max_drift = 0;

	return 0;
}

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static int af9013_set_frontend(struct dvb_frontend *fe)
{
	struct af9013_state *state = fe->demodulator_priv;
	struct dtv_frontend_properties *c = &fe->dtv_property_cache;
	int ret, i, sampling_freq;
	bool auto_mode, spec_inv;
	u8 buf[6];
	u32 if_frequency, freq_cw;

	dev_dbg(&state->i2c->dev, "%s: frequency=%d bandwidth_hz=%d\n",
			__func__, c->frequency, c->bandwidth_hz);

	/* program tuner */
	if (fe->ops.tuner_ops.set_params)
		fe->ops.tuner_ops.set_params(fe);

	/* program CFOE coefficients */
	if (c->bandwidth_hz != state->bandwidth_hz) {
		for (i = 0; i < ARRAY_SIZE(coeff_lut); i++) {
			if (coeff_lut[i].clock == state->config.clock &&
				coeff_lut[i].bandwidth_hz == c->bandwidth_hz) {
				break;
			}
		}

		/* Return an error if can't find bandwidth or the right clock */
		if (i == ARRAY_SIZE(coeff_lut))
			return -EINVAL;

		ret = af9013_wr_regs(state, 0xae00, coeff_lut[i].val,
			sizeof(coeff_lut[i].val));
	}

	/* program frequency control */
	if (c->bandwidth_hz != state->bandwidth_hz || state->first_tune) {
		/* get used IF frequency */
		if (fe->ops.tuner_ops.get_if_frequency)
			fe->ops.tuner_ops.get_if_frequency(fe, &if_frequency);
		else
			if_frequency = state->config.if_frequency;

		dev_dbg(&state->i2c->dev, "%s: if_frequency=%d\n",
				__func__, if_frequency);

		sampling_freq = if_frequency;

		while (sampling_freq > (state->config.clock / 2))
			sampling_freq -= state->config.clock;

		if (sampling_freq < 0) {
			sampling_freq *= -1;
			spec_inv = state->config.spec_inv;
		} else {
			spec_inv = !state->config.spec_inv;
		}

		freq_cw = af9013_div(state, sampling_freq, state->config.clock,
				23);

		if (spec_inv)
			freq_cw = 0x800000 - freq_cw;

		buf[0] = (freq_cw >>  0) & 0xff;
		buf[1] = (freq_cw >>  8) & 0xff;
		buf[2] = (freq_cw >> 16) & 0x7f;

		freq_cw = 0x800000 - freq_cw;

		buf[3] = (freq_cw >>  0) & 0xff;
		buf[4] = (freq_cw >>  8) & 0xff;
		buf[5] = (freq_cw >> 16) & 0x7f;

		ret = af9013_wr_regs(state, 0xd140, buf, 3);
		if (ret)
			goto err;

		ret = af9013_wr_regs(state, 0x9be7, buf, 6);
		if (ret)
			goto err;
	}

	/* clear TPS lock flag */
	ret = af9013_wr_reg_bits(state, 0xd330, 3, 1, 1);
	if (ret)
		goto err;

	/* clear MPEG2 lock flag */
	ret = af9013_wr_reg_bits(state, 0xd507, 6, 1, 0);
	if (ret)
		goto err;

	/* empty channel function */
	ret = af9013_wr_reg_bits(state, 0x9bfe, 0, 1, 0);
	if (ret)
		goto err;

	/* empty DVB-T channel function */
	ret = af9013_wr_reg_bits(state, 0x9bc2, 0, 1, 0);
	if (ret)
		goto err;

	/* transmission parameters */
	auto_mode = false;
	memset(buf, 0, 3);

	switch (c->transmission_mode) {
	case TRANSMISSION_MODE_AUTO:
		auto_mode = true;
		break;
	case TRANSMISSION_MODE_2K:
		break;
	case TRANSMISSION_MODE_8K:
		buf[0] |= (1 << 0);
		break;
	default:
		dev_dbg(&state->i2c->dev, "%s: invalid transmission_mode\n",
				__func__);
		auto_mode = true;
	}

	switch (c->guard_interval) {
	case GUARD_INTERVAL_AUTO:
		auto_mode = true;
		break;
	case GUARD_INTERVAL_1_32:
		break;
	case GUARD_INTERVAL_1_16:
		buf[0] |= (1 << 2);
		break;
	case GUARD_INTERVAL_1_8:
		buf[0] |= (2 << 2);
		break;
	case GUARD_INTERVAL_1_4:
		buf[0] |= (3 << 2);
		break;
	default:
		dev_dbg(&state->i2c->dev, "%s: invalid guard_interval\n",
				__func__);
		auto_mode = true;
	}

	switch (c->hierarchy) {
	case HIERARCHY_AUTO:
		auto_mode = true;
		break;
	case HIERARCHY_NONE:
		break;
	case HIERARCHY_1:
		buf[0] |= (1 << 4);
		break;
	case HIERARCHY_2:
		buf[0] |= (2 << 4);
		break;
	case HIERARCHY_4:
		buf[0] |= (3 << 4);
		break;
	default:
		dev_dbg(&state->i2c->dev, "%s: invalid hierarchy\n", __func__);
		auto_mode = true;
	}

	switch (c->modulation) {
	case QAM_AUTO:
		auto_mode = true;
		break;
	case QPSK:
		break;
	case QAM_16:
		buf[1] |= (1 << 6);
		break;
	case QAM_64:
		buf[1] |= (2 << 6);
		break;
	default:
		dev_dbg(&state->i2c->dev, "%s: invalid modulation\n", __func__);
		auto_mode = true;
	}

	/* Use HP. How and which case we can switch to LP? */
	buf[1] |= (1 << 4);

	switch (c->code_rate_HP) {
	case FEC_AUTO:
		auto_mode = true;
		break;
	case FEC_1_2:
		break;
	case FEC_2_3:
		buf[2] |= (1 << 0);
		break;
	case FEC_3_4:
		buf[2] |= (2 << 0);
		break;
	case FEC_5_6:
		buf[2] |= (3 << 0);
		break;
	case FEC_7_8:
		buf[2] |= (4 << 0);
		break;
	default:
		dev_dbg(&state->i2c->dev, "%s: invalid code_rate_HP\n",
				__func__);
		auto_mode = true;
	}

	switch (c->code_rate_LP) {
	case FEC_AUTO:
		auto_mode = true;
		break;
	case FEC_1_2:
		break;
	case FEC_2_3:
		buf[2] |= (1 << 3);
		break;
	case FEC_3_4:
		buf[2] |= (2 << 3);
		break;
	case FEC_5_6:
		buf[2] |= (3 << 3);
		break;
	case FEC_7_8:
		buf[2] |= (4 << 3);
		break;
	case FEC_NONE:
		break;
	default:
		dev_dbg(&state->i2c->dev, "%s: invalid code_rate_LP\n",
				__func__);
		auto_mode = true;
	}

	switch (c->bandwidth_hz) {
	case 6000000:
		break;
	case 7000000:
		buf[1] |= (1 << 2);
		break;
	case 8000000:
		buf[1] |= (2 << 2);
		break;
	default:
		dev_dbg(&state->i2c->dev, "%s: invalid bandwidth_hz\n",
				__func__);
		ret = -EINVAL;
		goto err;
	}

	ret = af9013_wr_regs(state, 0xd3c0, buf, 3);
	if (ret)
		goto err;

	if (auto_mode) {
		/* clear easy mode flag */
		ret = af9013_wr_reg(state, 0xaefd, 0);
		if (ret)
			goto err;

		dev_dbg(&state->i2c->dev, "%s: auto params\n", __func__);
	} else {
		/* set easy mode flag */
		ret = af9013_wr_reg(state, 0xaefd, 1);
		if (ret)
			goto err;

		ret = af9013_wr_reg(state, 0xaefe, 0);
		if (ret)
			goto err;

		dev_dbg(&state->i2c->dev, "%s: manual params\n", __func__);
	}

	/* tune */
	ret = af9013_wr_reg(state, 0xffff, 0);
	if (ret)
		goto err;

	state->bandwidth_hz = c->bandwidth_hz;
	state->set_frontend_jiffies = jiffies;
	state->first_tune = false;

	return ret;
err:
	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}

Contributors
Person Tokens Prop Commits CommitProp
antti palosaari antti palosaari 1300 98.04% 5 71.43%
mauro carvalho chehab mauro carvalho chehab 26 1.96% 2 28.57%
Total 1326 100.00% 7 100.00%



static int af9013_get_frontend(struct dvb_frontend *fe,
			       struct dtv_frontend_properties *c)
{
	struct af9013_state *state = fe->demodulator_priv;
	int ret;
	u8 buf[3];

	dev_dbg(&state->i2c->dev, "%s:\n", __func__);

	ret = af9013_rd_regs(state, 0xd3c0, buf, 3);
	if (ret)
		goto err;

	switch ((buf[1] >> 6) & 3) {
	case 0:
		c->modulation = QPSK;
		break;
	case 1:
		c->modulation = QAM_16;
		break;
	case 2:
		c->modulation = QAM_64;
		break;
	}

	switch ((buf[0] >> 0) & 3) {
	case 0:
		c->transmission_mode = TRANSMISSION_MODE_2K;
		break;
	case 1:
		c->transmission_mode = TRANSMISSION_MODE_8K;
	}

	switch ((buf[0] >> 2) & 3) {
	case 0:
		c->guard_interval = GUARD_INTERVAL_1_32;
		break;
	case 1:
		c->guard_interval = GUARD_INTERVAL_1_16;
		break;
	case 2:
		c->guard_interval = GUARD_INTERVAL_1_8;
		break;
	case 3:
		c->guard_interval = GUARD_INTERVAL_1_4;
		break;
	}

	switch ((buf[0] >> 4) & 7) {
	case 0:
		c->hierarchy = HIERARCHY_NONE;
		break;
	case 1:
		c->hierarchy = HIERARCHY_1;
		break;
	case 2:
		c->hierarchy = HIERARCHY_2;
		break;
	case 3:
		c->hierarchy = HIERARCHY_4;
		break;
	}

	switch ((buf[2] >> 0) & 7) {
	case 0:
		c->code_rate_HP = FEC_1_2;
		break;
	case 1:
		c->code_rate_HP = FEC_2_3;
		break;
	case 2:
		c->code_rate_HP = FEC_3_4;
		break;
	case 3:
		c->code_rate_HP = FEC_5_6;
		break;
	case 4:
		c->code_rate_HP = FEC_7_8;
		break;
	}

	switch ((buf[2] >> 3) & 7) {
	case 0:
		c->code_rate_LP = FEC_1_2;
		break;
	case 1:
		c->code_rate_LP = FEC_2_3;
		break;
	case 2:
		c->code_rate_LP = FEC_3_4;
		break;
	case 3:
		c->code_rate_LP = FEC_5_6;
		break;
	case 4:
		c->code_rate_LP = FEC_7_8;
		break;
	}

	switch ((buf[1] >> 2) & 3) {
	case 0:
		c->bandwidth_hz = 6000000;
		break;
	case 1:
		c->bandwidth_hz = 7000000;
		break;
	case 2:
		c->bandwidth_hz = 8000000;
		break;
	}

	return ret;
err:
	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}

Contributors
Person Tokens Prop Commits CommitProp
antti palosaari antti palosaari 447 98.03% 4 57.14%
mauro carvalho chehab mauro carvalho chehab 5 1.10% 2 28.57%
gianluca gennari gianluca gennari 4 0.88% 1 14.29%
Total 456 100.00% 7 100.00%



static int af9013_read_status(struct dvb_frontend *fe, enum fe_status *status)
{
	struct af9013_state *state = fe->demodulator_priv;
	int ret;
	u8 tmp;

	/*
         * 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;
	} else {
		*status = 0;
	}

	/* MPEG2 lock */
	ret = af9013_rd_reg_bits(state, 0xd507, 6, 1, &tmp);
	if (ret)
		goto err;

	if (tmp)
		*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER | FE_HAS_VITERBI |
			FE_HAS_SYNC | FE_HAS_LOCK;

	if (!*status) {
		/* TPS lock */
		ret = af9013_rd_reg_bits(state, 0xd330, 3, 1, &tmp);
		if (ret)
			goto err;

		if (tmp)
			*status |= FE_HAS_SIGNAL | FE_HAS_CARRIER |
				FE_HAS_VITERBI;
	}

	state->fe_status = *status;
	state->read_status_jiffies = jiffies;

	return ret;
err:
	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}

Contributors
Person Tokens Prop Commits CommitProp
antti palosaari antti palosaari 199 99.00% 4 80.00%
mauro carvalho chehab mauro carvalho chehab 2 1.00% 1 20.00%
Total 201 100.00% 5 100.00%



static int af9013_read_snr(struct dvb_frontend *fe, u16 *snr)
{
	struct af9013_state *state = fe->demodulator_priv;
	*snr = state->snr;
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
antti palosaari antti palosaari 34 100.00% 2 100.00%
Total 34 100.00% 2 100.00%



static int af9013_read_signal_strength(struct dvb_frontend *fe, u16 *strength)
{
	struct af9013_state *state = fe->demodulator_priv;
	*strength = state->signal_strength;
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
antti palosaari antti palosaari 34 100.00% 2 100.00%
Total 34 100.00% 2 100.00%



static int af9013_read_ber(struct dvb_frontend *fe, u32 *ber)
{
	struct af9013_state *state = fe->demodulator_priv;
	*ber = state->ber;
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
antti palosaari antti palosaari 34 100.00% 2 100.00%
Total 34 100.00% 2 100.00%



static int af9013_read_ucblocks(struct dvb_frontend *fe, u32 *ucblocks)
{
	struct af9013_state *state = fe->demodulator_priv;
	*ucblocks = state->ucblocks;
	return 0;
}

Contributors
Person Tokens Prop Commits CommitProp
antti palosaari antti palosaari 34 100.00% 2 100.00%
Total 34 100.00% 2 100.00%



static int af9013_init(struct dvb_frontend *fe)
{
	struct af9013_state *state = fe->demodulator_priv;
	int ret, i, len;
	u8 buf[3], tmp;
	u32 adc_cw;
	const struct af9013_reg_bit *init;

	dev_dbg(&state->i2c->dev, "%s:\n", __func__);

	/* power on */
	ret = af9013_power_ctrl(state, 1);
	if (ret)
		goto err;

	/* enable ADC */
	ret = af9013_wr_reg(state, 0xd73a, 0xa4);
	if (ret)
		goto err;

	/* write API version to firmware */
	ret = af9013_wr_regs(state, 0x9bf2, state->config.api_version, 4);
	if (ret)
		goto err;

	/* program ADC control */
	switch (state->config.clock) {
	case 28800000: /* 28.800 MHz */
		tmp = 0;
		break;
	case 20480000: /* 20.480 MHz */
		tmp = 1;
		break;
	case 28000000: /* 28.000 MHz */
		tmp = 2;
		break;
	case 25000000: /* 25.000 MHz */
		tmp = 3;
		break;
	default:
		dev_err(&state->i2c->dev, "%s: invalid clock\n",
				KBUILD_MODNAME);
		return -EINVAL;
	}

	adc_cw = af9013_div(state, state->config.clock, 1000000ul, 19);
	buf[0] = (adc_cw >>  0) & 0xff;
	buf[1] = (adc_cw >>  8) & 0xff;
	buf[2] = (adc_cw >> 16) & 0xff;

	ret = af9013_wr_regs(state, 0xd180, buf, 3);
	if (ret)
		goto err;

	ret = af9013_wr_reg_bits(state, 0x9bd2, 0, 4, tmp);
	if (ret)
		goto err;

	/* set I2C master clock */
	ret = af9013_wr_reg(state, 0xd416, 0x14);
	if (ret)
		goto err;

	/* set 16 embx */
	ret = af9013_wr_reg_bits(state, 0xd700, 1, 1, 1);
	if (ret)
		goto err;

	/* set no trigger */
	ret = af9013_wr_reg_bits(state, 0xd700, 2, 1, 0);
	if (ret)
		goto err;

	/* set read-update bit for constellation */
	ret = af9013_wr_reg_bits(state, 0xd371, 1, 1, 1);
	if (ret)
		goto err;

	/* settings for mp2if */
	if (state->config.ts_mode == AF9013_TS_USB) {
		/* AF9015 split PSB to 1.5k + 0.5k */
		ret = af9013_wr_reg_bits(state, 0xd50b, 2, 1, 1);
		if (ret)
			goto err;
	} else {
		/* AF9013 change the output bit to data7 */
		ret = af9013_wr_reg_bits(state, 0xd500, 3, 1, 1);
		if (ret)
			goto err;

		/* AF9013 set mpeg to full speed */
		ret = af9013_wr_reg_bits(state, 0xd502, 4, 1, 1);
		if (ret)
			goto err;
	}

	ret = af9013_wr_reg_bits(state, 0xd520, 4, 1, 1);
	if (ret)
		goto err;

	/* load OFSM settings */
	dev_dbg(&state->i2c->dev, "%s: load ofsm settings\n", __func__);
	len = ARRAY_SIZE(ofsm_init);
	init = ofsm_init;
	for (i = 0; i < len; i++) {
		ret = af9013_wr_reg_bits(state, init[i].addr, init[i].pos,
			init[i].len, init[i].val);
		if (ret)
			goto err;
	}

	/* load tuner specific settings */
	dev_dbg(&state->i2c->dev, "%s: load tuner specific settings\n",
			__func__);
	switch (state->config.tuner) {
	case AF9013_TUNER_MXL5003D:
		len = ARRAY_SIZE(tuner_init_mxl5003d);
		init = tuner_init_mxl5003d;
		break;
	case AF9013_TUNER_MXL5005D:
	case AF9013_TUNER_MXL5005R:
	case AF9013_TUNER_MXL5007T:
		len = ARRAY_SIZE(tuner_init_mxl5005);
		init = tuner_init_mxl5005;
		break;
	case AF9013_TUNER_ENV77H11D5:
		len = ARRAY_SIZE(tuner_init_env77h11d5);
		init = tuner_init_env77h11d5;
		break;
	case AF9013_TUNER_MT2060:
		len = ARRAY_SIZE(tuner_init_mt2060);
		init = tuner_init_mt2060;
		break;
	case AF9013_TUNER_MC44S803:
		len = ARRAY_SIZE(tuner_init_mc44s803);
		init = tuner_init_mc44s803;
		break;
	case AF9013_TUNER_QT1010:
	case AF9013_TUNER_QT1010A:
		len = ARRAY_SIZE(tuner_init_qt1010);
		init = tuner_init_qt1010;
		break;
	case AF9013_TUNER_MT2060_2:
		len = ARRAY_SIZE(tuner_init_mt2060_2);
		init = tuner_init_mt2060_2;
		break;
	case AF9013_TUNER_TDA18271:
	case AF9013_TUNER_TDA18218:
		len = ARRAY_SIZE(tuner_init_tda18271);
		init = tuner_init_tda18271;
		break;
	case AF9013_TUNER_UNKNOWN:
	default:
		len = ARRAY_SIZE(tuner_init_unknown);
		init = tuner_init_unknown;
		break;
	}

	for (i = 0; i < len; i++) {
		ret = af9013_wr_reg_bits(state, init[i].addr, init[i].pos,
			init[i].len, init[i].val);
		if (ret)
			goto err;
	}

	/* TS mode */
	ret = af9013_wr_reg_bits(state, 0xd500, 1, 2, state->config.ts_mode);
	if (ret)
		goto err;

	/* enable lock led */
	ret = af9013_wr_reg_bits(state, 0xd730, 0, 1, 1);
	if (ret)
		goto err;

	/* check if we support signal strength */
	if (!state->signal_strength_en) {
		ret = af9013_rd_reg_bits(state, 0x9bee, 0, 1,
			&state->signal_strength_en);
		if (ret)
			goto err;
	}

	/* read values needed for signal strength calculation */
	if (state->signal_strength_en && !state->rf_50) {
		ret = af9013_rd_reg(state, 0x9bbd, &state->rf_50);
		if (ret)
			goto err;

		ret = af9013_rd_reg(state, 0x9bd0, &state->rf_80);
		if (ret)
			goto err;

		ret = af9013_rd_reg(state, 0x9be2, &state->if_50);
		if (ret)
			goto err;

		ret = af9013_rd_reg(state, 0x9be4, &state->if_80);
		if (ret)
			goto err;
	}

	/* SNR */
	ret = af9013_wr_reg(state, 0xd2e2, 1);
	if (ret)
		goto err;

	/* BER / UCB */
	buf[0] = (10000 >> 0) & 0xff;
	buf[1] = (10000 >> 8) & 0xff;
	ret = af9013_wr_regs(state, 0xd385, buf, 2);
	if (ret)
		goto err;

	/* enable FEC monitor */
	ret = af9013_wr_reg_bits(state, 0xd392, 1, 1, 1);
	if (ret)
		goto err;

	state->first_tune = true;
	schedule_delayed_work(&state->statistics_work, msecs_to_jiffies(400));

	return ret;
err:
	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}

Contributors
Person Tokens Prop Commits CommitProp
antti palosaari antti palosaari 1106 100.00% 5 100.00%
Total 1106 100.00% 5 100.00%



static int af9013_sleep(struct dvb_frontend *fe)
{
	struct af9013_state *state = fe->demodulator_priv;
	int ret;

	dev_dbg(&state->i2c->dev, "%s:\n", __func__);

	/* stop statistics polling */
	cancel_delayed_work_sync(&state->statistics_work);

	/* disable lock led */
	ret = af9013_wr_reg_bits(state, 0xd730, 0, 1, 0);
	if (ret)
		goto err;

	/* power off */
	ret = af9013_power_ctrl(state, 0);
	if (ret)
		goto err;

	return ret;
err:
	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}

Contributors
Person Tokens Prop Commits CommitProp
antti palosaari antti palosaari 110 100.00% 3 100.00%
Total 110 100.00% 3 100.00%



static int af9013_i2c_gate_ctrl(struct dvb_frontend *fe, int enable)
{
	int ret;
	struct af9013_state *state = fe->demodulator_priv;

	dev_dbg(&state->i2c->dev, "%s: enable=%d\n", __func__, enable);

	/* gate already open or close */
	if (state->i2c_gate_state == enable)
		return 0;

	if (state->config.ts_mode == AF9013_TS_USB)
		ret = af9013_wr_reg_bits(state, 0xd417, 3, 1, enable);
	else
		ret = af9013_wr_reg_bits(state, 0xd607, 2, 1, enable);
	if (ret)
		goto err;

	state->i2c_gate_state = enable;

	return ret;
err:
	dev_dbg(&state->i2c->dev, "%s: failed=%d\n", __func__, ret);
	return ret;
}

Contributors
Person Tokens Prop Commits CommitProp
antti palosaari antti palosaari 132 100.00% 4 100.00%
Total 132 100.00% 4 100.00%



static void af9013_release(struct dvb_frontend *fe)
{
	struct af9013_state *state = fe->demodulator_priv;

	/* stop statistics polling */
	cancel_delayed_work_sync(&state->statistics_work);

	kfree(state);
}

Contributors
Person Tokens Prop Commits CommitProp
antti palosaari antti palosaari 25 73.53% 1 50.00%
ernst martin witte ernst martin witte 9 26.47% 1 50.00%
Total 34 100.00% 2 100.00%


static struct dvb_frontend_ops af9013_ops;



static int af9013_download_firmware(struct af9013_state *state)
{
	int i, len, remaining, ret;
	const struct firmware *fw;
	u16 checksum = 0;
	u8 val;
	u8 fw_params[4];
	u8 *fw_file = AF9013_FIRMWARE;

	msleep(100);
	/* check whether firmware is already running */
	ret = af9013_rd_reg(state, 0x98be, &val);
	if (ret)
		goto err;
	else
		dev_dbg(&state->i2c->dev, "%s: firmware status=%02x\n",
				__func__, val);

	if (val == 0x0c) /* fw is running, no need for download */
		goto exit;

	dev_info(&state->i2c->dev, "%s: found a '%s' in cold state, will try " \
			"to load a firmware\n",
			KBUILD_MODNAME, af9013_ops.info.name);

	/* request the firmware, this will block and timeout */
	ret = request_firmware(&fw, fw_file, state->i2c->dev.parent);
	if (ret) {
		dev_info(&state->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 err;
	}

	dev_info(&state->i2c->dev, "%s: downloading firmware from file '%s'\n",
			KBUILD_MODNAME, fw_file);

	/* calc checksum */
	for (i = 0; i < fw->size; i++)
		checksum += fw->data[i];

	fw_params[0] = checksum >> 8;
	fw_params[1] = checksum & 0xff;
	fw_params[2] = fw->size >> 8;
	fw_params[3] = fw->size & 0xff;

	/* write fw checksum & size */
	ret = af9013_write_ofsm_regs(state, 0x50fc,
		fw_params, sizeof(fw_params));
	if (ret)
		goto err_release;

	
#define FW_ADDR 0x5100 /* firmware start address */
	
#define LEN_MAX 16 /* max packet size */
	for (remaining = fw->size; remaining > 0; remaining -= LEN_MAX) {
		len = remaining;
		if (len > LEN_MAX)
			len = LEN_MAX;

		ret = af9013_write_ofsm_regs(state,
			FW_ADDR + fw->size - remaining,
			(u8 *) &fw->data[fw->size - remaining], len);
		if (ret) {
			dev_err(&state->i2c->dev,
					"%s: firmware download failed=%d\n",
					KBUILD_MODNAME, ret);
			goto err_release;
		}
	}

	/* request boot firmware */
	ret = af9013_wr_reg(state, 0xe205, 1);
	if (ret)
		goto err_release;

	for (i = 0; i < 15; i++) {
		msleep(100);

		/* check firmware status */
		ret = af9013_rd_reg(state, 0x98be, &val);
		if (ret)
			goto err_release;

		dev_dbg(&state->i2c->dev, "%s: firmware status=%02x\n",
				__func__, val);

		if (val == 0x0c || val == 0x04) /* success or fail */
			break;
	}

	if (val == 0x04) {
		dev_err(&state->i2c->dev, "%s: firmware did not run\n",
				KBUILD_MODNAME);
		ret = -ENODEV;
	} else if (val != 0x0c) {
		dev_err(&state->i2c->dev, "%s: firmware boot timeout\n",
				KBUILD_MODNAME);
		ret = -ENODEV;
	}

err_release:
	release_firmware(fw);
err:
exit:
	if (!ret)
		dev_info(&state->i2c->dev, "%s: found a '%s' in warm state\n",
				KBUILD_MODNAME, af9013_ops.info.name);
	return ret;
}

Contributors
Person Tokens Prop Commits CommitProp
antti palosaari antti palosaari 554 99.64% 5 83.33%
jean delvare jean delvare 2 0.36% 1 16.67%
Total 556 100.00% 6 100.00%



struct dvb_frontend *af9013_attach(const struct af9013_config *config,
	struct i2c_adapter *i2c)
{
	int ret;
	struct af9013_state *state = NULL;
	u8 buf[4], i;

	/* allocate memory for the internal state */
	state = kzalloc(sizeof(struct af9013_state), GFP_KERNEL);
	if (state == NULL)
		goto err;

	/* setup the state */
	state->i2c = i2c;
	memcpy(&state->config, config, sizeof(struct af9013_config));

	/* download firmware */
	if (state->config.ts_mode != AF9013_TS_USB) {
		ret = af9013_download_firmware(state);
		if (ret)
			goto err;
	}

	/* firmware version */
	ret = af9013_rd_regs(state, 0x5103, buf, 4);
	if (ret)
		goto err;

	dev_info(&state->i2c->dev, "%s: firmware version %d.%d.%d.%d\n",
			KBUILD_MODNAME, buf[0], buf[1], buf[2], buf[3]);

	/* set GPIOs */
	for (i = 0; i < sizeof(state->config.gpio); i++) {
		ret = af9013_set_gpio(state, i, state->config.gpio[i]);
		if (ret)
			goto err;
	}

	/* create dvb_frontend */
	memcpy(&state->fe.ops, &af9013_ops,
		sizeof(struct dvb_frontend_ops));
	state->fe.demodulator_priv = state;

	INIT_DELAYED_WORK(&state->statistics_work, af9013_statistics_work);

	return &state->fe;
err:
	kfree(state);
	return NULL;
}
Contributors
Person Tokens Prop Commits CommitProp
antti palosaari antti palosaari 266 100.00% 5 100.00%
Total 266 100.00% 5 100.00%


EXPORT_SYMBOL(af9013_attach);


static struct dvb_frontend_ops af9013_ops = {
	.delsys = { SYS_DVBT },
	.info = {
		.name = "Afatech AF9013",
		.frequency_min = 174000000,
		.frequency_max = 862000000,
		.frequency_stepsize = 250000,
		.frequency_tolerance = 0,
		.caps =	FE_CAN_FEC_1_2 |
			FE_CAN_FEC_2_3 |
			FE_CAN_FEC_3_4 |
			FE_CAN_FEC_5_6 |
			FE_CAN_FEC_7_8 |
			FE_CAN_FEC_AUTO |
			FE_CAN_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_HIERARCHY_AUTO |
			FE_CAN_RECOVER |
			FE_CAN_MUTE_TS
	},

	.release = af9013_release,

	.init = af9013_init,
	.sleep = af9013_sleep,

	.get_tune_settings = af9013_get_tune_settings,
	.set_frontend = af9013_set_frontend,
	.get_frontend = af9013_get_frontend,

	.read_status = af9013_read_status,
	.read_snr = af9013_read_snr,
	.read_signal_strength = af9013_read_signal_strength,
	.read_ber = af9013_read_ber,
	.read_ucblocks = af9013_read_ucblocks,

	.i2c_gate_ctrl = af9013_i2c_gate_ctrl,
};

MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
MODULE_DESCRIPTION("Afatech AF9013 DVB-T demodulator driver");
MODULE_LICENSE("GPL");

MODULE_FIRMWARE(AF9013_FIRMWARE);
Overall Contributors
Person Tokens Prop Commits CommitProp
antti palosaari antti palosaari 7163 98.53% 17 62.96%
mauro carvalho chehab mauro carvalho chehab 88 1.21% 6 22.22%
ernst martin witte ernst martin witte 9 0.12% 1 3.70%
dan carpenter dan carpenter 4 0.06% 1 3.70%
gianluca gennari gianluca gennari 4 0.06% 1 3.70%
jean delvare jean delvare 2 0.03% 1 3.70%
Total 7270 100.00% 27 100.00%
  Directory: drivers/media/dvb-frontends

Information contained on this website is for historical information purposes only and does not indicate or represent copyright ownership.
	Person	Tokens	Prop	Commits	CommitProp
antti palosaari	antti palosaari	171	81.43%	3	75.00%
mauro carvalho chehab	mauro carvalho chehab	39	18.57%	1	25.00%
	Total	210	100.00%	4	100.00%
cregit-Linux how code gets into the kernel

Release 4.7 drivers/media/dvb-frontends/af9013.c

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