linux/drivers/media/dvb/frontends/stv6110.h
Abylay Ospan 873688cd30 V4L/DVB (13334): stv6110: add configurable gain
It has positive effect for NetUP Dual DVB-S2 CI card.

Signed-off-by: Abylay Ospan <aospan@netup.ru>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2009-12-05 18:41:23 -02:00

64 lines
1.8 KiB
C

/*
* stv6110.h
*
* Driver for ST STV6110 satellite tuner IC.
*
* Copyright (C) 2009 NetUP Inc.
* Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
*
* 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 __DVB_STV6110_H__
#define __DVB_STV6110_H__
#include <linux/i2c.h>
#include "dvb_frontend.h"
/* registers */
#define RSTV6110_CTRL1 0
#define RSTV6110_CTRL2 1
#define RSTV6110_TUNING1 2
#define RSTV6110_TUNING2 3
#define RSTV6110_CTRL3 4
#define RSTV6110_STAT1 5
#define RSTV6110_STAT2 6
#define RSTV6110_STAT3 7
struct stv6110_config {
u8 i2c_address;
u32 mclk;
u8 gain;
u8 clk_div; /* divisor value for the output clock */
};
#if defined(CONFIG_DVB_STV6110) || (defined(CONFIG_DVB_STV6110_MODULE) \
&& defined(MODULE))
extern struct dvb_frontend *stv6110_attach(struct dvb_frontend *fe,
const struct stv6110_config *config,
struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *stv6110_attach(struct dvb_frontend *fe,
const struct stv6110_config *config,
struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif
#endif