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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
* Elonics R820T silicon tuner driver
*
* Copyright (C) 2012 Antti Palosaari <crope@iki.fi>
*/
#ifndef R820T_H
#define R820T_H
#include <media/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_REACHABLE(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
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