LXR linux/drivers/media/dvb-frontends/si2165.h

   1/* SPDX-License-Identifier: GPL-2.0-or-later */
   2/*
   3 * Driver for Silicon Labs SI2165 DVB-C/-T Demodulator
   4 *
   5 * Copyright (C) 2013-2017 Matthias Schwarzott <zzam@gentoo.org>
   6 *
   7 * References:
   8 *   https://www.silabs.com/Support%20Documents/TechnicalDocs/Si2165-short.pdf
   9 */
  10
  11#ifndef _DVB_SI2165_H
  12#define _DVB_SI2165_H
  13
  14#include <linux/dvb/frontend.h>
  15
  16enum {
  17        SI2165_MODE_OFF = 0x00,
  18        SI2165_MODE_PLL_EXT = 0x20,
  19        SI2165_MODE_PLL_XTAL = 0x21
  20};
  21
  22/* I2C addresses
  23 * possible values: 0x64,0x65,0x66,0x67
  24 */
  25struct si2165_platform_data {
  26        /*
  27         * frontend
  28         * returned by driver
  29         */
  30        struct dvb_frontend **fe;
  31
  32        /* external clock or XTAL */
  33        u8 chip_mode;
  34
  35        /* frequency of external clock or xtal in Hz
  36         * possible values: 4000000, 16000000, 20000000, 240000000, 27000000
  37         */
  38        u32 ref_freq_hz;
  39
  40        /* invert the spectrum */
  41        bool inversion;
  42};
  43
  44#endif /* _DVB_SI2165_H */
  45