V4L/DVB (10925): add support for LG Electronics LGDT3305 ATSC/QAM-B Demodulator (cae78ed5) · Commits · e / devices / android_kernel_xiaomi_markw

drivers/media/dvb/frontends/Kconfig

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Original line number	Diff line number	Diff line
		@@ -419,6 +419,14 @@ config DVB_LGDT3304
		An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want
		to support this frontend.

		config DVB_LGDT3305
		tristate "LG Electronics LGDT3305 based"
		depends on DVB_CORE && I2C
		default m if DVB_FE_CUSTOMISE
		help
		An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want
		to support this frontend.

		config DVB_S5H1409
		tristate "Samsung S5H1409 based"
		depends on DVB_CORE && I2C

drivers/media/dvb/frontends/Makefile

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		@@ -43,6 +43,7 @@ obj-$(CONFIG_DVB_BCM3510) += bcm3510.o
		obj-$(CONFIG_DVB_S5H1420) += s5h1420.o
		obj-$(CONFIG_DVB_LGDT330X) += lgdt330x.o
		obj-$(CONFIG_DVB_LGDT3304) += lgdt3304.o
		obj-$(CONFIG_DVB_LGDT3305) += lgdt3305.o
		obj-$(CONFIG_DVB_CX24123) += cx24123.o
		obj-$(CONFIG_DVB_LNBP21) += lnbp21.o
		obj-$(CONFIG_DVB_ISL6405) += isl6405.o

drivers/media/dvb/frontends/lgdt3305.c

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+1087 −0

File added.

Preview size limit exceeded, changes collapsed.

drivers/media/dvb/frontends/lgdt3305.h

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		/*
		* Support for LGDT3305 - VSB/QAM
		*
		* Copyright (C) 2008, 2009 Michael Krufky <mkrufky@linuxtv.org>
		*
		* 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 _LGDT3305_H_
		#define _LGDT3305_H_

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


		enum lgdt3305_mpeg_mode {
		LGDT3305_MPEG_PARALLEL = 0,
		LGDT3305_MPEG_SERIAL = 1,
		};

		enum lgdt3305_tp_clock_edge {
		LGDT3305_TPCLK_RISING_EDGE = 0,
		LGDT3305_TPCLK_FALLING_EDGE = 1,
		};

		enum lgdt3305_tp_valid_polarity {
		LGDT3305_TP_VALID_LOW = 0,
		LGDT3305_TP_VALID_HIGH = 1,
		};

		struct lgdt3305_config {
		u8 i2c_addr;

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

		/* AGC Power reference - defaults are used if left unset */
		u16 usref_8vsb; /* default: 0x32c4 */
		u16 usref_qam64; /* default: 0x5400 */
		u16 usref_qam256; /* default: 0x2a80 */

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

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

		/* use RF AGC loop - 0:disabled 1:enabled */
		int rf_agc_loop:1;

		enum lgdt3305_mpeg_mode mpeg_mode;
		enum lgdt3305_tp_clock_edge tpclk_edge;
		enum lgdt3305_tp_valid_polarity tpvalid_polarity;
		};

		#if defined(CONFIG_DVB_LGDT3305) \|\| (defined(CONFIG_DVB_LGDT3305_MODULE) && \
		defined(MODULE))
		extern
		struct dvb_frontend lgdt3305_attach(const struct lgdt3305_config config,
		struct i2c_adapter *i2c_adap);
		#else
		static inline
		struct dvb_frontend lgdt3305_attach(const struct lgdt3305_config config,
		struct i2c_adapter *i2c_adap)
		{
		printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
		return NULL;
		}
		#endif /* CONFIG_DVB_LGDT3305 */

		#endif /* _LGDT3305_H_ */