[media] Infineon TUA 9001 silicon tuner driver (f9263747) · Commits · e / devices / android_kernel_oneplus_sm8150

drivers/media/common/tuners/Kconfig

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Original line number	Diff line number	Diff line
		@@ -211,4 +211,10 @@ config MEDIA_TUNER_TDA18212
		help
		NXP TDA18212 silicon tuner driver.

		config MEDIA_TUNER_TUA9001
		tristate "Infineon TUA 9001 silicon tuner"
		depends on VIDEO_MEDIA && I2C
		default m if MEDIA_TUNER_CUSTOMISE
		help
		Infineon TUA 9001 silicon tuner driver.
		endmenu

drivers/media/common/tuners/Makefile

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Original line number	Diff line number	Diff line
		@@ -28,6 +28,7 @@ obj-$(CONFIG_MEDIA_TUNER_MC44S803) += mc44s803.o
		obj-$(CONFIG_MEDIA_TUNER_MAX2165) += max2165.o
		obj-$(CONFIG_MEDIA_TUNER_TDA18218) += tda18218.o
		obj-$(CONFIG_MEDIA_TUNER_TDA18212) += tda18212.o
		obj-$(CONFIG_MEDIA_TUNER_TUA9001) += tua9001.o

		ccflags-y += -I$(srctree)/drivers/media/dvb/dvb-core
		ccflags-y += -I$(srctree)/drivers/media/dvb/frontends

drivers/media/common/tuners/tua9001.c

0 → 100644

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Original line number	Diff line number	Diff line
		/*
		* Infineon TUA 9001 silicon tuner driver
		*
		* Copyright (C) 2009 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 "tua9001.h"
		#include "tua9001_priv.h"

		/* write register */
		static int tua9001_wr_reg(struct tua9001_priv *priv, u8 reg, u16 val)
		{
		int ret;
		u8 buf[3] = { reg, (val >> 8) & 0xff, (val >> 0) & 0xff };
		struct i2c_msg msg[1] = {
		{
		.addr = priv->cfg->i2c_addr,
		.flags = 0,
		.len = sizeof(buf),
		.buf = buf,
		}
		};

		ret = i2c_transfer(priv->i2c, msg, 1);
		if (ret == 1) {
		ret = 0;
		} else {
		printk(KERN_WARNING "%s: I2C wr failed=%d reg=%02x\n",
		__func__, ret, reg);
		ret = -EREMOTEIO;
		}

		return ret;
		}

		static int tua9001_release(struct dvb_frontend *fe)
		{
		kfree(fe->tuner_priv);
		fe->tuner_priv = NULL;

		return 0;
		}

		static int tua9001_init(struct dvb_frontend *fe)
		{
		struct tua9001_priv *priv = fe->tuner_priv;
		int ret = 0;
		u8 i;
		struct reg_val data[] = {
		{ 0x1e, 0x6512 },
		{ 0x25, 0xb888 },
		{ 0x39, 0x5460 },
		{ 0x3b, 0x00c0 },
		{ 0x3a, 0xf000 },
		{ 0x08, 0x0000 },
		{ 0x32, 0x0030 },
		{ 0x41, 0x703a },
		{ 0x40, 0x1c78 },
		{ 0x2c, 0x1c00 },
		{ 0x36, 0xc013 },
		{ 0x37, 0x6f18 },
		{ 0x27, 0x0008 },
		{ 0x2a, 0x0001 },
		{ 0x34, 0x0a40 },
		};

		if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c-gate */

		for (i = 0; i < ARRAY_SIZE(data); i++) {
		ret = tua9001_wr_reg(priv, data[i].reg, data[i].val);
		if (ret)
		break;
		}

		if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c-gate */

		if (ret < 0)
		pr_debug("%s: failed=%d\n", __func__, ret);

		return ret;
		}

		static int tua9001_set_params(struct dvb_frontend *fe)
		{
		struct tua9001_priv *priv = fe->tuner_priv;
		struct dtv_frontend_properties *c = &fe->dtv_property_cache;
		int ret, i;
		u16 val;
		u32 frequency;
		struct reg_val data[2];

		pr_debug("%s: delivery_system=%d frequency=%d bandwidth_hz=%d\n",
		__func__, c->delivery_system, c->frequency,
		c->bandwidth_hz);

		switch (c->delivery_system) {
		case SYS_DVBT:
		switch (c->bandwidth_hz) {
		case 8000000:
		val = 0x0000;
		break;
		case 7000000:
		val = 0x1000;
		break;
		case 6000000:
		val = 0x2000;
		break;
		case 5000000:
		val = 0x3000;
		break;
		default:
		ret = -EINVAL;
		goto err;
		}
		break;
		default:
		ret = -EINVAL;
		goto err;
		}

		data[0].reg = 0x04;
		data[0].val = val;

		frequency = (c->frequency - 150000000);
		frequency /= 100;
		frequency *= 48;
		frequency /= 10000;

		data[1].reg = 0x1f;
		data[1].val = frequency;

		if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 1); /* open i2c-gate */

		for (i = 0; i < ARRAY_SIZE(data); i++) {
		ret = tua9001_wr_reg(priv, data[i].reg, data[i].val);
		if (ret < 0)
		break;
		}

		if (fe->ops.i2c_gate_ctrl)
		fe->ops.i2c_gate_ctrl(fe, 0); /* close i2c-gate */

		err:
		if (ret < 0)
		pr_debug("%s: failed=%d\n", __func__, ret);

		return ret;
		}

		static int tua9001_get_if_frequency(struct dvb_frontend fe, u32 frequency)
		{
		frequency = 0; / Zero-IF */

		return 0;
		}

		static const struct dvb_tuner_ops tua9001_tuner_ops = {
		.info = {
		.name = "Infineon TUA 9001",

		.frequency_min = 170000000,
		.frequency_max = 862000000,
		.frequency_step = 0,
		},

		.release = tua9001_release,

		.init = tua9001_init,
		.set_params = tua9001_set_params,

		.get_if_frequency = tua9001_get_if_frequency,
		};

		struct dvb_frontend tua9001_attach(struct dvb_frontend fe,
		struct i2c_adapter i2c, struct tua9001_config cfg)
		{
		struct tua9001_priv *priv = NULL;

		priv = kzalloc(sizeof(struct tua9001_priv), GFP_KERNEL);
		if (priv == NULL)
		return NULL;

		priv->cfg = cfg;
		priv->i2c = i2c;

		printk(KERN_INFO "Infineon TUA 9001 successfully attached.");

		memcpy(&fe->ops.tuner_ops, &tua9001_tuner_ops,
		sizeof(struct dvb_tuner_ops));

		fe->tuner_priv = priv;
		return fe;
		}
		EXPORT_SYMBOL(tua9001_attach);

		MODULE_DESCRIPTION("Infineon TUA 9001 silicon tuner driver");
		MODULE_AUTHOR("Antti Palosaari <crope@iki.fi>");
		MODULE_LICENSE("GPL");

drivers/media/common/tuners/tua9001.h

0 → 100644

+46 −0

Original line number	Diff line number	Diff line
		/*
		* Infineon TUA 9001 silicon tuner driver
		*
		* Copyright (C) 2009 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.
		*/

		#ifndef TUA9001_H
		#define TUA9001_H

		#include "dvb_frontend.h"

		struct tua9001_config {
		/*
		* I2C address
		*/
		u8 i2c_addr;
		};

		#if defined(CONFIG_MEDIA_TUNER_TUA9001) \|\| \
		(defined(CONFIG_MEDIA_TUNER_TUA9001_MODULE) && defined(MODULE))
		extern struct dvb_frontend tua9001_attach(struct dvb_frontend fe,
		struct i2c_adapter i2c, struct tua9001_config cfg);
		#else
		static inline struct dvb_frontend tua9001_attach(struct dvb_frontend fe,
		struct i2c_adapter i2c, struct tua9001_config cfg)
		{
		printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
		return NULL;
		}
		#endif

		#endif

drivers/media/common/tuners/tua9001_priv.h

0 → 100644

+34 −0

Original line number	Diff line number	Diff line
		/*
		* Infineon TUA 9001 silicon tuner driver
		*
		* Copyright (C) 2009 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.
		*/

		#ifndef TUA9001_PRIV_H
		#define TUA9001_PRIV_H

		struct reg_val {
		u8 reg;
		u16 val;
		};

		struct tua9001_priv {
		struct tua9001_config *cfg;
		struct i2c_adapter *i2c;
		};

		#endif