/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * stv6110.h
 *
 * Driver for ST STV6110 satellite tuner IC.
 *
 * Copyright (C) 2009 NetUP Inc.
 * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
 */

#ifndef __DVB_STV6110_H__
#define __DVB_STV6110_H__

#include <linux/i2c.h>
#include <media/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 IS_REACHABLE(CONFIG_DVB_STV6110)
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