root/drivers/media/dvb-frontends/si2165.h
/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
 * Driver for Silicon Labs SI2165 DVB-C/-T Demodulator
 *
 * Copyright (C) 2013-2017 Matthias Schwarzott <zzam@gentoo.org>
 *
 * References:
 *   https://www.silabs.com/Support%20Documents/TechnicalDocs/Si2165-short.pdf
 */

#ifndef _DVB_SI2165_H
#define _DVB_SI2165_H

#include <linux/dvb/frontend.h>

enum {
        SI2165_MODE_OFF = 0x00,
        SI2165_MODE_PLL_EXT = 0x20,
        SI2165_MODE_PLL_XTAL = 0x21
};

/* I2C addresses
 * possible values: 0x64,0x65,0x66,0x67
 */
struct si2165_platform_data {
        /*
         * frontend
         * returned by driver
         */
        struct dvb_frontend **fe;

        /* external clock or XTAL */
        u8 chip_mode;

        /* frequency of external clock or xtal in Hz
         * possible values: 4000000, 16000000, 20000000, 240000000, 27000000
         */
        u32 ref_freq_hz;

        /* invert the spectrum */
        bool inversion;
};

#endif /* _DVB_SI2165_H */