/* 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