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Commit ce0b065a authored by Antti Palosaari's avatar Antti Palosaari Committed by Mauro Carvalho Chehab
Browse files

[media] m88ts2022: remove obsolete driver 



This driver was replaced by ts2020 driver.

Signed-off-by: default avatarAntti Palosaari <crope@iki.fi>
Signed-off-by: default avatarMauro Carvalho Chehab <mchehab@osg.samsung.com>
parent 0fecb6c0

MAINTAINERS

+0 −10
Original line number Diff line number Diff line
@@ -6103,16 +6103,6 @@ Q: http://patchwork.linuxtv.org/project/linux-media/list/ 
S:	Maintained

F:	drivers/media/dvb-frontends/m88rs2000*



M88TS2022 MEDIA DRIVER

M:	Antti Palosaari <crope@iki.fi>

L:	linux-media@vger.kernel.org

W:	http://linuxtv.org/

W:	http://palosaari.fi/linux/

Q:	http://patchwork.linuxtv.org/project/linux-media/list/

T:	git git://linuxtv.org/anttip/media_tree.git

S:	Maintained

F:	drivers/media/tuners/m88ts2022*



MA901 MASTERKIT USB FM RADIO DRIVER

M:	Alexey Klimov <klimov.linux@gmail.com>

L:	linux-media@vger.kernel.org

drivers/media/tuners/Kconfig

+0 −8
Original line number Diff line number Diff line
@@ -224,14 +224,6 @@ config MEDIA_TUNER_FC2580 
	help

	  FCI FC2580 silicon tuner driver.



config MEDIA_TUNER_M88TS2022

	tristate "Montage M88TS2022 silicon tuner"

	depends on MEDIA_SUPPORT && I2C

	select REGMAP_I2C

	default m if !MEDIA_SUBDRV_AUTOSELECT

	help

	  Montage M88TS2022 silicon tuner driver.



config MEDIA_TUNER_M88RS6000T

	tristate "Montage M88RS6000 internal tuner"

	depends on MEDIA_SUPPORT && I2C

drivers/media/tuners/m88ts2022.c

deleted100644 → 0
+0 −579
Original line number Diff line number Diff line 
/*

 * Montage M88TS2022 silicon tuner driver

 *

 * Copyright (C) 2013 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.

 *

 * Some calculations are taken from existing TS2020 driver.

 */



#include "m88ts2022_priv.h"



static int m88ts2022_cmd(struct m88ts2022_dev *dev, int op, int sleep, u8 reg,

		u8 mask, u8 val, u8 *reg_val)

{

	int ret, i, j;

	unsigned int utmp;

	struct m88ts2022_reg_val reg_vals[] = {

		{0x51, 0x1f - op},

		{0x51, 0x1f},

		{0x50, 0x00 + op},

		{0x50, 0x00},

	};



	for (i = 0; i < 2; i++) {

		dev_dbg(&dev->client->dev,

				"i=%d op=%02x reg=%02x mask=%02x val=%02x\n",

				i, op, reg, mask, val);



		for (j = 0; j < ARRAY_SIZE(reg_vals); j++) {

			ret = regmap_write(dev->regmap, reg_vals[j].reg,

					reg_vals[j].val);

			if (ret)

				goto err;

		}



		usleep_range(sleep * 1000, sleep * 10000);



		ret = regmap_read(dev->regmap, reg, &utmp);

		if (ret)

			goto err;



		if ((utmp & mask) != val)

			break;

	}



	if (reg_val)

		*reg_val = utmp;

err:

	return ret;

}



static int m88ts2022_set_params(struct dvb_frontend *fe)

{

	struct m88ts2022_dev *dev = fe->tuner_priv;

	struct dtv_frontend_properties *c = &fe->dtv_property_cache;

	int ret;

	unsigned int utmp, frequency_khz, frequency_offset_khz, f_3db_hz;

	unsigned int f_ref_khz, f_vco_khz, div_ref, div_out, pll_n, gdiv28;

	u8 buf[3], u8tmp, cap_code, lpf_gm, lpf_mxdiv, div_max, div_min;

	u16 u16tmp;



	dev_dbg(&dev->client->dev,

			"frequency=%d symbol_rate=%d rolloff=%d\n",

			c->frequency, c->symbol_rate, c->rolloff);

	/*

	 * Integer-N PLL synthesizer

	 * kHz is used for all calculations to keep calculations within 32-bit

	 */

	f_ref_khz = DIV_ROUND_CLOSEST(dev->cfg.clock, 1000);

	div_ref = DIV_ROUND_CLOSEST(f_ref_khz, 2000);



	if (c->symbol_rate < 5000000)

		frequency_offset_khz = 3000; /* 3 MHz */

	else

		frequency_offset_khz = 0;



	frequency_khz = c->frequency + frequency_offset_khz;



	if (frequency_khz < 1103000) {

		div_out = 4;

		u8tmp = 0x1b;

	} else {

		div_out = 2;

		u8tmp = 0x0b;

	}



	buf[0] = u8tmp;

	buf[1] = 0x40;

	ret = regmap_bulk_write(dev->regmap, 0x10, buf, 2);

	if (ret)

		goto err;



	f_vco_khz = frequency_khz * div_out;

	pll_n = f_vco_khz * div_ref / f_ref_khz;

	pll_n += pll_n % 2;

	dev->frequency_khz = pll_n * f_ref_khz / div_ref / div_out;



	if (pll_n < 4095)

		u16tmp = pll_n - 1024;

	else if (pll_n < 6143)

		u16tmp = pll_n + 1024;

	else

		u16tmp = pll_n + 3072;



	buf[0] = (u16tmp >> 8) & 0x3f;

	buf[1] = (u16tmp >> 0) & 0xff;

	buf[2] = div_ref - 8;

	ret = regmap_bulk_write(dev->regmap, 0x01, buf, 3);

	if (ret)

		goto err;



	dev_dbg(&dev->client->dev,

			"frequency=%u offset=%d f_vco_khz=%u pll_n=%u div_ref=%u div_out=%u\n",

			dev->frequency_khz, dev->frequency_khz - c->frequency,

			f_vco_khz, pll_n, div_ref, div_out);



	ret = m88ts2022_cmd(dev, 0x10, 5, 0x15, 0x40, 0x00, NULL);

	if (ret)

		goto err;



	ret = regmap_read(dev->regmap, 0x14, &utmp);

	if (ret)

		goto err;



	utmp &= 0x7f;

	if (utmp < 64) {

		ret = regmap_update_bits(dev->regmap, 0x10, 0x80, 0x80);

		if (ret)

			goto err;



		ret = regmap_write(dev->regmap, 0x11, 0x6f);

		if (ret)

			goto err;



		ret = m88ts2022_cmd(dev, 0x10, 5, 0x15, 0x40, 0x00, NULL);

		if (ret)

			goto err;

	}



	ret = regmap_read(dev->regmap, 0x14, &utmp);

	if (ret)

		goto err;



	utmp &= 0x1f;

	if (utmp > 19) {

		ret = regmap_update_bits(dev->regmap, 0x10, 0x02, 0x00);

		if (ret)

			goto err;

	}



	ret = m88ts2022_cmd(dev, 0x08, 5, 0x3c, 0xff, 0x00, NULL);

	if (ret)

		goto err;



	ret = regmap_write(dev->regmap, 0x25, 0x00);

	if (ret)

		goto err;



	ret = regmap_write(dev->regmap, 0x27, 0x70);

	if (ret)

		goto err;



	ret = regmap_write(dev->regmap, 0x41, 0x09);

	if (ret)

		goto err;



	ret = regmap_write(dev->regmap, 0x08, 0x0b);

	if (ret)

		goto err;



	/* filters */

	gdiv28 = DIV_ROUND_CLOSEST(f_ref_khz * 1694U, 1000000U);



	ret = regmap_write(dev->regmap, 0x04, gdiv28);

	if (ret)

		goto err;



	ret = m88ts2022_cmd(dev, 0x04, 2, 0x26, 0xff, 0x00, &u8tmp);

	if (ret)

		goto err;



	cap_code = u8tmp & 0x3f;



	ret = regmap_write(dev->regmap, 0x41, 0x0d);

	if (ret)

		goto err;



	ret = m88ts2022_cmd(dev, 0x04, 2, 0x26, 0xff, 0x00, &u8tmp);

	if (ret)

		goto err;



	u8tmp &= 0x3f;

	cap_code = (cap_code + u8tmp) / 2;

	gdiv28 = gdiv28 * 207 / (cap_code * 2 + 151);

	div_max = gdiv28 * 135 / 100;

	div_min = gdiv28 * 78 / 100;

	div_max = clamp_val(div_max, 0U, 63U);



	f_3db_hz = mult_frac(c->symbol_rate, 135, 200);

	f_3db_hz +=  2000000U + (frequency_offset_khz * 1000U);

	f_3db_hz = clamp(f_3db_hz, 7000000U, 40000000U);



#define LPF_COEFF 3200U

	lpf_gm = DIV_ROUND_CLOSEST(f_3db_hz * gdiv28, LPF_COEFF * f_ref_khz);

	lpf_gm = clamp_val(lpf_gm, 1U, 23U);



	lpf_mxdiv = DIV_ROUND_CLOSEST(lpf_gm * LPF_COEFF * f_ref_khz, f_3db_hz);

	if (lpf_mxdiv < div_min)

		lpf_mxdiv = DIV_ROUND_CLOSEST(++lpf_gm * LPF_COEFF * f_ref_khz, f_3db_hz);

	lpf_mxdiv = clamp_val(lpf_mxdiv, 0U, div_max);



	ret = regmap_write(dev->regmap, 0x04, lpf_mxdiv);

	if (ret)

		goto err;



	ret = regmap_write(dev->regmap, 0x06, lpf_gm);

	if (ret)

		goto err;



	ret = m88ts2022_cmd(dev, 0x04, 2, 0x26, 0xff, 0x00, &u8tmp);

	if (ret)

		goto err;



	cap_code = u8tmp & 0x3f;



	ret = regmap_write(dev->regmap, 0x41, 0x09);

	if (ret)

		goto err;



	ret = m88ts2022_cmd(dev, 0x04, 2, 0x26, 0xff, 0x00, &u8tmp);

	if (ret)

		goto err;



	u8tmp &= 0x3f;

	cap_code = (cap_code + u8tmp) / 2;



	u8tmp = cap_code | 0x80;

	ret = regmap_write(dev->regmap, 0x25, u8tmp);

	if (ret)

		goto err;



	ret = regmap_write(dev->regmap, 0x27, 0x30);

	if (ret)

		goto err;



	ret = regmap_write(dev->regmap, 0x08, 0x09);

	if (ret)

		goto err;



	ret = m88ts2022_cmd(dev, 0x01, 20, 0x21, 0xff, 0x00, NULL);

	if (ret)

		goto err;

err:

	if (ret)

		dev_dbg(&dev->client->dev, "failed=%d\n", ret);



	return ret;

}



static int m88ts2022_init(struct dvb_frontend *fe)

{

	struct m88ts2022_dev *dev = fe->tuner_priv;

	int ret, i;

	u8 u8tmp;

	static const struct m88ts2022_reg_val reg_vals[] = {

		{0x7d, 0x9d},

		{0x7c, 0x9a},

		{0x7a, 0x76},

		{0x3b, 0x01},

		{0x63, 0x88},

		{0x61, 0x85},

		{0x22, 0x30},

		{0x30, 0x40},

		{0x20, 0x23},

		{0x24, 0x02},

		{0x12, 0xa0},

	};



	dev_dbg(&dev->client->dev, "\n");



	ret = regmap_write(dev->regmap, 0x00, 0x01);

	if (ret)

		goto err;



	ret = regmap_write(dev->regmap, 0x00, 0x03);

	if (ret)

		goto err;



	switch (dev->cfg.clock_out) {

	case M88TS2022_CLOCK_OUT_DISABLED:

		u8tmp = 0x60;

		break;

	case M88TS2022_CLOCK_OUT_ENABLED:

		u8tmp = 0x70;

		ret = regmap_write(dev->regmap, 0x05, dev->cfg.clock_out_div);

		if (ret)

			goto err;

		break;

	case M88TS2022_CLOCK_OUT_ENABLED_XTALOUT:

		u8tmp = 0x6c;

		break;

	default:

		goto err;

	}



	ret = regmap_write(dev->regmap, 0x42, u8tmp);

	if (ret)

		goto err;



	if (dev->cfg.loop_through)

		u8tmp = 0xec;

	else

		u8tmp = 0x6c;



	ret = regmap_write(dev->regmap, 0x62, u8tmp);

	if (ret)

		goto err;



	for (i = 0; i < ARRAY_SIZE(reg_vals); i++) {

		ret = regmap_write(dev->regmap, reg_vals[i].reg, reg_vals[i].val);

		if (ret)

			goto err;

	}

err:

	if (ret)

		dev_dbg(&dev->client->dev, "failed=%d\n", ret);

	return ret;

}



static int m88ts2022_sleep(struct dvb_frontend *fe)

{

	struct m88ts2022_dev *dev = fe->tuner_priv;

	int ret;



	dev_dbg(&dev->client->dev, "\n");



	ret = regmap_write(dev->regmap, 0x00, 0x00);

	if (ret)

		goto err;

err:

	if (ret)

		dev_dbg(&dev->client->dev, "failed=%d\n", ret);

	return ret;

}



static int m88ts2022_get_frequency(struct dvb_frontend *fe, u32 *frequency)

{

	struct m88ts2022_dev *dev = fe->tuner_priv;



	dev_dbg(&dev->client->dev, "\n");



	*frequency = dev->frequency_khz;

	return 0;

}



static int m88ts2022_get_if_frequency(struct dvb_frontend *fe, u32 *frequency)

{

	struct m88ts2022_dev *dev = fe->tuner_priv;



	dev_dbg(&dev->client->dev, "\n");



	*frequency = 0; /* Zero-IF */

	return 0;

}



static int m88ts2022_get_rf_strength(struct dvb_frontend *fe, u16 *strength)

{

	struct m88ts2022_dev *dev = fe->tuner_priv;

	int ret;

	u16 gain, u16tmp;

	unsigned int utmp, gain1, gain2, gain3;



	ret = regmap_read(dev->regmap, 0x3d, &utmp);

	if (ret)

		goto err;



	gain1 = (utmp >> 0) & 0x1f;

	gain1 = clamp(gain1, 0U, 15U);



	ret = regmap_read(dev->regmap, 0x21, &utmp);

	if (ret)

		goto err;



	gain2 = (utmp >> 0) & 0x1f;

	gain2 = clamp(gain2, 2U, 16U);



	ret = regmap_read(dev->regmap, 0x66, &utmp);

	if (ret)

		goto err;



	gain3 = (utmp >> 3) & 0x07;

	gain3 = clamp(gain3, 0U, 6U);



	gain = gain1 * 265 + gain2 * 338 + gain3 * 285;



	/* scale value to 0x0000-0xffff */

	u16tmp = (0xffff - gain);

	u16tmp = clamp_val(u16tmp, 59000U, 61500U);



	*strength = (u16tmp - 59000) * 0xffff / (61500 - 59000);

err:

	if (ret)

		dev_dbg(&dev->client->dev, "failed=%d\n", ret);

	return ret;

}



static const struct dvb_tuner_ops m88ts2022_tuner_ops = {

	.info = {

		.name          = "Montage M88TS2022",

		.frequency_min = 950000,

		.frequency_max = 2150000,

	},



	.init = m88ts2022_init,

	.sleep = m88ts2022_sleep,

	.set_params = m88ts2022_set_params,



	.get_frequency = m88ts2022_get_frequency,

	.get_if_frequency = m88ts2022_get_if_frequency,

	.get_rf_strength = m88ts2022_get_rf_strength,

};



static int m88ts2022_probe(struct i2c_client *client,

		const struct i2c_device_id *id)

{

	struct m88ts2022_config *cfg = client->dev.platform_data;

	struct dvb_frontend *fe = cfg->fe;

	struct m88ts2022_dev *dev;

	int ret;

	u8 u8tmp;

	unsigned int utmp;

	static const struct regmap_config regmap_config = {

		.reg_bits = 8,

		.val_bits = 8,

	};



	dev = kzalloc(sizeof(*dev), GFP_KERNEL);

	if (!dev) {

		ret = -ENOMEM;

		dev_err(&client->dev, "kzalloc() failed\n");

		goto err;

	}



	memcpy(&dev->cfg, cfg, sizeof(struct m88ts2022_config));

	dev->client = client;

	dev->regmap = devm_regmap_init_i2c(client, &regmap_config);

	if (IS_ERR(dev->regmap)) {

		ret = PTR_ERR(dev->regmap);

		goto err;

	}



	/* check if the tuner is there */

	ret = regmap_read(dev->regmap, 0x00, &utmp);

	if (ret)

		goto err;



	if ((utmp & 0x03) == 0x00) {

		ret = regmap_write(dev->regmap, 0x00, 0x01);

		if (ret)

			goto err;



		usleep_range(2000, 50000);

	}



	ret = regmap_write(dev->regmap, 0x00, 0x03);

	if (ret)

		goto err;



	usleep_range(2000, 50000);



	ret = regmap_read(dev->regmap, 0x00, &utmp);

	if (ret)

		goto err;



	dev_dbg(&dev->client->dev, "chip_id=%02x\n", utmp);



	switch (utmp) {

	case 0xc3:

	case 0x83:

		break;

	default:

		ret = -ENODEV;

		goto err;

	}



	switch (dev->cfg.clock_out) {

	case M88TS2022_CLOCK_OUT_DISABLED:

		u8tmp = 0x60;

		break;

	case M88TS2022_CLOCK_OUT_ENABLED:

		u8tmp = 0x70;

		ret = regmap_write(dev->regmap, 0x05, dev->cfg.clock_out_div);

		if (ret)

			goto err;

		break;

	case M88TS2022_CLOCK_OUT_ENABLED_XTALOUT:

		u8tmp = 0x6c;

		break;

	default:

		ret = -EINVAL;

		goto err;

	}



	ret = regmap_write(dev->regmap, 0x42, u8tmp);

	if (ret)

		goto err;



	if (dev->cfg.loop_through)

		u8tmp = 0xec;

	else

		u8tmp = 0x6c;



	ret = regmap_write(dev->regmap, 0x62, u8tmp);

	if (ret)

		goto err;



	/* sleep */

	ret = regmap_write(dev->regmap, 0x00, 0x00);

	if (ret)

		goto err;



	dev_info(&dev->client->dev, "Montage M88TS2022 successfully identified\n");



	fe->tuner_priv = dev;

	memcpy(&fe->ops.tuner_ops, &m88ts2022_tuner_ops,

			sizeof(struct dvb_tuner_ops));



	i2c_set_clientdata(client, dev);

	return 0;

err:

	dev_dbg(&client->dev, "failed=%d\n", ret);

	kfree(dev);

	return ret;

}



static int m88ts2022_remove(struct i2c_client *client)

{

	struct m88ts2022_dev *dev = i2c_get_clientdata(client);

	struct dvb_frontend *fe = dev->cfg.fe;



	dev_dbg(&client->dev, "\n");



	memset(&fe->ops.tuner_ops, 0, sizeof(struct dvb_tuner_ops));

	fe->tuner_priv = NULL;

	kfree(dev);



	return 0;

}



static const struct i2c_device_id m88ts2022_id[] = {

	{"m88ts2022", 0},

	{}

};

MODULE_DEVICE_TABLE(i2c, m88ts2022_id);



static struct i2c_driver m88ts2022_driver = {

	.driver = {

		.owner	= THIS_MODULE,

		.name	= "m88ts2022",

	},

	.probe		= m88ts2022_probe,

	.remove		= m88ts2022_remove,

	.id_table	= m88ts2022_id,

};



module_i2c_driver(m88ts2022_driver);



MODULE_DESCRIPTION("Montage M88TS2022 silicon tuner driver");

MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");

MODULE_LICENSE("GPL");

drivers/media/tuners/m88ts2022.h

deleted100644 → 0
+0 −54
Original line number Diff line number Diff line 
/*

 * Montage M88TS2022 silicon tuner driver

 *

 * Copyright (C) 2013 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.

 */



#ifndef M88TS2022_H

#define M88TS2022_H



#include "dvb_frontend.h"



struct m88ts2022_config {

	/*

	 * clock

	 * 16000000 - 32000000

	 */

	u32 clock;



	/*

	 * RF loop-through

	 */

	u8 loop_through:1;



	/*

	 * clock output

	 */

#define M88TS2022_CLOCK_OUT_DISABLED        0

#define M88TS2022_CLOCK_OUT_ENABLED         1

#define M88TS2022_CLOCK_OUT_ENABLED_XTALOUT 2

	u8 clock_out:2;



	/*

	 * clock output divider

	 * 1 - 31

	 */

	u8 clock_out_div:5;



	/*

	 * pointer to DVB frontend

	 */

	struct dvb_frontend *fe;

};



#endif

drivers/media/tuners/m88ts2022_priv.h

deleted100644 → 0
+0 −35
Original line number Diff line number Diff line 
/*

 * Montage M88TS2022 silicon tuner driver

 *

 * Copyright (C) 2013 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.

 */



#ifndef M88TS2022_PRIV_H

#define M88TS2022_PRIV_H



#include "m88ts2022.h"

#include <linux/regmap.h>



struct m88ts2022_dev {

	struct m88ts2022_config cfg;

	struct i2c_client *client;

	struct regmap *regmap;

	u32 frequency_khz;

};



struct m88ts2022_reg_val {

	u8 reg;

	u8 val;

};



#endif