linux/drivers/media/dvb-frontends/tda10071.h
Michael Krufky 41f55d5755 [media] tda10071: make sure both tuner and demod i2c addresses are specified
display an error message if either tuner_i2c_addr or demod_i2c_addr
are not specified in the tda10071_config structure

Signed-off-by: Michael Krufky <mkrufky@linuxtv.org>
Signed-off-by: Mauro Carvalho Chehab <mchehab@redhat.com>
2012-12-21 14:36:54 -02:00

88 lines
2.2 KiB
C

/*
* NXP TDA10071 + Conexant CX24118A DVB-S/S2 demodulator + tuner driver
*
* Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
*
* 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.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#ifndef TDA10071_H
#define TDA10071_H
#include <linux/dvb/frontend.h>
struct tda10071_config {
/* Demodulator I2C address.
* Default: none, must set
* Values: 0x55,
*/
u8 demod_i2c_addr;
/* Tuner I2C address.
* Default: none, must set
* Values: 0x14, 0x54, ...
*/
u8 tuner_i2c_addr;
/* Max bytes I2C provider can write at once.
* Note: Buffer is taken from the stack currently!
* Default: none, must set
* Values:
*/
u16 i2c_wr_max;
/* TS output mode.
* Default: TDA10071_TS_SERIAL
* Values:
*/
#define TDA10071_TS_SERIAL 0
#define TDA10071_TS_PARALLEL 1
u8 ts_mode;
/* Input spectrum inversion.
* Default: 0
* Values: 0, 1
*/
bool spec_inv;
/* Xtal frequency Hz
* Default: none, must set
* Values:
*/
u32 xtal;
/* PLL multiplier.
* Default: none, must set
* Values:
*/
u8 pll_multiplier;
};
#if defined(CONFIG_DVB_TDA10071) || \
(defined(CONFIG_DVB_TDA10071_MODULE) && defined(MODULE))
extern struct dvb_frontend *tda10071_attach(
const struct tda10071_config *config, struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *tda10071_attach(
const struct tda10071_config *config, struct i2c_adapter *i2c)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif
#endif /* TDA10071_H */