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V4L/DVB (7741): s5h1411: Adding support for this ATSC/QAM demodulator

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This adds full support for this demodulator.

Signed-off-by: Steven Toth <stoth@hauppauge.com>
Signed-off-by: Mauro Carvalho Chehab <mchehab@infradead.org>
This commit is contained in:
Steven Toth
2008-04-25 03:44:36 -03:00
committed by Mauro Carvalho Chehab
parent 8367fe248d
commit 8b4f1d0316
4 changed files with 987 additions and 0 deletions
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8
drivers/media/dvb/frontends/Kconfig
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@@ -307,6 +307,14 @@ config DVB_AU8522
An ATSC 8VSB and QAM64/256 tuner module. Say Y when you want
to support this frontend.
config DVB_S5H1411
tristate "Samsung S5H1411 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.
comment "Tuners/PLL support"
depends on DVB_CORE

1
drivers/media/dvb/frontends/Makefile
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@@ -55,3 +55,4 @@ obj-$(CONFIG_DVB_TUNER_XC5000) += xc5000.o
obj-$(CONFIG_DVB_TUNER_ITD1000) += itd1000.o
obj-$(CONFIG_DVB_AU8522) += au8522.o
obj-$(CONFIG_DVB_TDA10048) += tda10048.o
obj-$(CONFIG_DVB_S5H1411) += s5h1411.o

888
drivers/media/dvb/frontends/s5h1411.c Normal file
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90
drivers/media/dvb/frontends/s5h1411.h Normal file
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@@ -0,0 +1,90 @@
/*
Samsung S5H1411 VSB/QAM demodulator driver
Copyright (C) 2008 Steven Toth <stoth@hauppauge.com>
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 __S5H1411_H__
#define __S5H1411_H__
#include <linux/dvb/frontend.h>
#define S5H1411_I2C_TOP_ADDR (0x32 >> 1)
#define S5H1411_I2C_QAM_ADDR (0x34 >> 1)
struct s5h1411_config {
/* serial/parallel output */
#define S5H1411_PARALLEL_OUTPUT 0
#define S5H1411_SERIAL_OUTPUT 1
u8 output_mode;
/* GPIO Setting */
#define S5H1411_GPIO_OFF 0
#define S5H1411_GPIO_ON 1
u8 gpio;
/* MPEG signal timing */
#define S5H1411_MPEGTIMING_CONTINOUS_INVERTING_CLOCK 0
#define S5H1411_MPEGTIMING_CONTINOUS_NONINVERTING_CLOCK 1
#define S5H1411_MPEGTIMING_NONCONTINOUS_INVERTING_CLOCK 2
#define S5H1411_MPEGTIMING_NONCONTINOUS_NONINVERTING_CLOCK 3
u16 mpeg_timing;
/* IF Freq for QAM and VSB in KHz */
#define S5H1411_IF_2500 2500
#define S5H1411_IF_3500 3500
#define S5H1411_IF_4000 4000
#define S5H1411_IF_5380 5380
#define S5H1411_IF_44000 44000
#define S5H1411_VSB_IF_DEFAULT S5H1411_IF_44000
#define S5H1411_QAM_IF_DEFAULT S5H1411_IF_44000
u16 qam_if;
u16 vsb_if;
/* Spectral Inversion */
#define S5H1411_INVERSION_OFF 0
#define S5H1411_INVERSION_ON 1
u8 inversion;
/* Return lock status based on tuner lock, or demod lock */
#define S5H1411_TUNERLOCKING 0
#define S5H1411_DEMODLOCKING 1
u8 status_mode;
};
#if defined(CONFIG_DVB_S5H1411) || \
(defined(CONFIG_DVB_S5H1411_MODULE) && defined(MODULE))
extern struct dvb_frontend *s5h1411_attach(const struct s5h1411_config *config,
struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *s5h1411_attach(
const struct s5h1411_config *config,
struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif /* CONFIG_DVB_S5H1411 */
#endif /* __S5H1411_H__ */
/*
* Local variables:
* c-basic-offset: 8
*/