[media] Sony CXD2820R DVB-T/T2/C demodulator driver (27cfc85e) · Commits · jan.koester / Linux

drivers/media/dvb/frontends/Kconfig

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		@@ -383,6 +383,13 @@ config DVB_STV0367
		help
		A DVB-T/C tuner module. Say Y when you want to support this frontend.

		config DVB_CXD2820R
		tristate "Sony CXD2820R"
		depends on DVB_CORE && I2C
		default m if DVB_FE_CUSTOMISE
		help
		Say Y when you want to support this frontend.

		comment "DVB-C (cable) frontends"
		depends on DVB_CORE

drivers/media/dvb/frontends/Makefile

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		@@ -86,3 +86,5 @@ obj-$(CONFIG_DVB_MB86A16) += mb86a16.o
		obj-$(CONFIG_DVB_MB86A20S) += mb86a20s.o
		obj-$(CONFIG_DVB_IX2505V) += ix2505v.o
		obj-$(CONFIG_DVB_STV0367) += stv0367.o
		obj-$(CONFIG_DVB_CXD2820R) += cxd2820r.o

drivers/media/dvb/frontends/cxd2820r.c

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drivers/media/dvb/frontends/cxd2820r.h

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		/*
		* Sony CXD2820R demodulator driver
		*
		* Copyright (C) 2010 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 CXD2820R_H
		#define CXD2820R_H

		#include <linux/dvb/frontend.h>

		#define CXD2820R_GPIO_D (0 << 0) /* disable */
		#define CXD2820R_GPIO_E (1 << 0) /* enable */
		#define CXD2820R_GPIO_O (0 << 1) /* output */
		#define CXD2820R_GPIO_I (1 << 1) /* input */
		#define CXD2820R_GPIO_L (0 << 2) /* output low */
		#define CXD2820R_GPIO_H (1 << 2) /* output high */

		#define CXD2820R_TS_SERIAL 0x08
		#define CXD2820R_TS_SERIAL_MSB 0x28
		#define CXD2820R_TS_PARALLEL 0x30
		#define CXD2820R_TS_PARALLEL_MSB 0x70

		struct cxd2820r_config {
		/* Demodulator I2C address.
		* Driver determines DVB-C slave I2C address automatically from master
		* address.
		* Default: none, must set
		* Values: 0x6c, 0x6d
		*/
		u8 i2c_address;

		/* TS output mode.
		* Default: none, must set.
		* Values:
		*/
		u8 ts_mode;

		/* IF AGC polarity.
		* Default: 0
		* Values: 0, 1
		*/
		int if_agc_polarity:1;

		/* Spectrum inversion.
		* Default: 0
		* Values: 0, 1
		*/
		int spec_inv:1;

		/* IFs for all used modes.
		* Default: none, must set
		* Values: <kHz>
		*/
		u16 if_dvbt_6;
		u16 if_dvbt_7;
		u16 if_dvbt_8;
		u16 if_dvbt2_5;
		u16 if_dvbt2_6;
		u16 if_dvbt2_7;
		u16 if_dvbt2_8;
		u16 if_dvbc;

		/* GPIOs for all used modes.
		* Default: none, disabled
		* Values: <see above>
		*/
		u8 gpio_dvbt[3];
		u8 gpio_dvbt2[3];
		u8 gpio_dvbc[3];
		};


		#if defined(CONFIG_DVB_CXD2820R) \|\| \
		(defined(CONFIG_DVB_CXD2820R_MODULE) && defined(MODULE))
		extern struct dvb_frontend *cxd2820r_attach(
		const struct cxd2820r_config *config,
		struct i2c_adapter *i2c,
		struct dvb_frontend *fe
		);
		extern struct i2c_adapter *cxd2820r_get_tuner_i2c_adapter(
		struct dvb_frontend *fe
		);
		#else
		static inline struct dvb_frontend *cxd2820r_attach(
		const struct cxd2820r_config *config,
		struct i2c_adapter *i2c,
		struct dvb_frontend *fe
		)
		{
		printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
		return NULL;
		}
		static inline struct i2c_adapter *cxd2820r_get_tuner_i2c_adapter(
		struct dvb_frontend *fe
		)
		{
		return NULL;
		}

		#endif

		#endif /* CXD2820R_H */

drivers/media/dvb/frontends/cxd2820r_c.c

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