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V4L/DVB (10925): add support for LG Electronics LGDT3305 ATSC/QAM-B Demodulator

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Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
This commit is contained in:
Michael Krufky 2009-01-13 04:40:36 -03:00 committed by Mauro Carvalho Chehab
parent 90a4cc70fa
commit cae78ed599
4 changed files with 1181 additions and 0 deletions
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8
drivers/media/dvb/frontends/Kconfig
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@ -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

1
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

1087
drivers/media/dvb/frontends/lgdt3305.c Normal file
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85
drivers/media/dvb/frontends/lgdt3305.h Normal file
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@ -0,0 +1,85 @@
/*
* 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_ */