/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
    VES1820  - Single Chip Cable Channel Receiver driver module

    Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>

*/

#ifndef VES1820_H
#define VES1820_H

#include <linux/dvb/frontend.h>

#define VES1820_SELAGC_PWM 0
#define VES1820_SELAGC_SIGNAMPERR 1

struct ves1820_config
{
        /* the demodulator's i2c address */
        u8 demod_address;

        /* value of XIN to use */
        u32 xin;

        /* does inversion need inverted? */
        u8 invert:1;

        /* SELAGC control */
        u8 selagc:1;
};

#if IS_REACHABLE(CONFIG_DVB_VES1820)
extern struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
                                           struct i2c_adapter* i2c, u8 pwm);
#else
static inline struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
                                           struct i2c_adapter* i2c, u8 pwm)
{
        printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
        return NULL;
}
#endif // CONFIG_DVB_VES1820

#endif // VES1820_H