r820t.h
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/*
* Elonics R820T silicon tuner driver
*
* Copyright (C) 2012 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 R820T_H
#define R820T_H
#include <linux/kconfig.h>
#include "dvb_frontend.h"
enum r820t_chip {
CHIP_R820T,
CHIP_R620D,
CHIP_R828D,
CHIP_R828,
CHIP_R828S,
CHIP_R820C,
};
struct r820t_config {
u8 i2c_addr; /* 0x34 */
u32 xtal;
enum r820t_chip rafael_chip;
unsigned max_i2c_msg_len;
bool use_diplexer;
bool use_predetect;
};
#if IS_ENABLED(CONFIG_MEDIA_TUNER_R820T)
struct dvb_frontend *r820t_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c,
const struct r820t_config *cfg);
#else
static inline struct dvb_frontend *r820t_attach(struct dvb_frontend *fe,
struct i2c_adapter *i2c,
const struct r820t_config *cfg)
{
pr_warn("%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif
#endif