[media] DVB: add support for LG Electronics LGDT3306A ATSC/QAM-B Demodulator (b63b36fa) · Commits · e / devices / android_kernel_oneplus_sm8150

drivers/media/dvb-frontends/Kconfig

+8 −0

Original line number	Diff line number	Diff line
		@@ -577,6 +577,14 @@ config DVB_LGDT3305
		An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want
		to support this frontend.

		config DVB_LGDT3306A
		tristate "LG Electronics LGDT3306A based"
		depends on DVB_CORE && I2C
		default m if !MEDIA_SUBDRV_AUTOSELECT
		help
		An ATSC 8VSB and QAM-B 64/256 demodulator module. Say Y when you want
		to support this frontend.

		config DVB_LG2160
		tristate "LG Electronics LG216x based"
		depends on DVB_CORE && I2C

drivers/media/dvb-frontends/Makefile

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		@@ -54,6 +54,7 @@ obj-$(CONFIG_DVB_BCM3510) += bcm3510.o
		obj-$(CONFIG_DVB_S5H1420) += s5h1420.o
		obj-$(CONFIG_DVB_LGDT330X) += lgdt330x.o
		obj-$(CONFIG_DVB_LGDT3305) += lgdt3305.o
		obj-$(CONFIG_DVB_LGDT3306A) += lgdt3306a.o
		obj-$(CONFIG_DVB_LG2160) += lg2160.o
		obj-$(CONFIG_DVB_CX24123) += cx24123.o
		obj-$(CONFIG_DVB_LNBP21) += lnbp21.o

drivers/media/dvb-frontends/lgdt3306a.c

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+2024 −0

File added.

Preview size limit exceeded, changes collapsed.

drivers/media/dvb-frontends/lgdt3306a.h

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		/*
		* Support for LGDT3306A - 8VSB/QAM-B
		*
		* Copyright (C) 2013,2014 Fred Richter <frichter@hauppauge.com>
		* based on lgdt3305.[ch] by Michael Krufky
		*
		* 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.
		*
		*/

		#ifndef _LGDT3306A_H_
		#define _LGDT3306A_H_

		#include <linux/i2c.h>
		#include "dvb_frontend.h"


		enum lgdt3306a_mpeg_mode {
		LGDT3306A_MPEG_PARALLEL = 0,
		LGDT3306A_MPEG_SERIAL = 1,
		};

		enum lgdt3306a_tp_clock_edge {
		LGDT3306A_TPCLK_RISING_EDGE = 0,
		LGDT3306A_TPCLK_FALLING_EDGE = 1,
		};

		enum lgdt3306a_tp_valid_polarity {
		LGDT3306A_TP_VALID_LOW = 0,
		LGDT3306A_TP_VALID_HIGH = 1,
		};

		struct lgdt3306a_config {
		u8 i2c_addr;

		/* user defined IF frequency in KHz */
		u16 qam_if_khz;
		u16 vsb_if_khz;

		/* disable i2c repeater - 0:repeater enabled 1:repeater disabled */
		int deny_i2c_rptr:1;

		/* spectral inversion - 0:disabled 1:enabled */
		int spectral_inversion:1;

		enum lgdt3306a_mpeg_mode mpeg_mode;
		enum lgdt3306a_tp_clock_edge tpclk_edge;
		enum lgdt3306a_tp_valid_polarity tpvalid_polarity;

		int xtalMHz;//demod clock freq in MHz; 24 or 25 supported
		};

		#if defined(CONFIG_DVB_LGDT3306A) \|\| (defined(CONFIG_DVB_LGDT3306A_MODULE) && \
		defined(MODULE))
		extern
		struct dvb_frontend lgdt3306a_attach(const struct lgdt3306a_config config,
		struct i2c_adapter *i2c_adap);
		#else
		static inline
		struct dvb_frontend lgdt3306a_attach(const struct lgdt3306a_config config,
		struct i2c_adapter *i2c_adap)
		{
		printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
		return NULL;
		}
		#endif /* CONFIG_DVB_LGDT3306A */

		#endif /* _LGDT3306A_H_ */