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

   1/*
   2 * Driver for Silicon Labs SI2165 DVB-C/-T Demodulator
   3 *
   4 * Copyright (C) 2013-2017 Matthias Schwarzott <zzam@gentoo.org>
   5 *
   6 *   This program is free software; you can redistribute it and/or modify
   7 *   it under the terms of the GNU General Public License as published by
   8 *   the Free Software Foundation; either version 2 of the License, or
   9 *   (at your option) any later version.
  10 *
  11 *   This program is distributed in the hope that it will be useful,
  12 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
  13 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14 *   GNU General Public License for more details.
  15 *
  16 * References:
  17 *   http://www.silabs.com/Support%20Documents/TechnicalDocs/Si2165-short.pdf
  18 *
  19 */
  20
  21#ifndef _DVB_SI2165_H
  22#define _DVB_SI2165_H
  23
  24#include <linux/dvb/frontend.h>
  25
  26enum {
  27        SI2165_MODE_OFF = 0x00,
  28        SI2165_MODE_PLL_EXT = 0x20,
  29        SI2165_MODE_PLL_XTAL = 0x21
  30};
  31
  32/* I2C addresses
  33 * possible values: 0x64,0x65,0x66,0x67
  34 */
  35struct si2165_platform_data {
  36        /*
  37         * frontend
  38         * returned by driver
  39         */
  40        struct dvb_frontend **fe;
  41
  42        /* external clock or XTAL */
  43        u8 chip_mode;
  44
  45        /* frequency of external clock or xtal in Hz
  46         * possible values: 4000000, 16000000, 20000000, 240000000, 27000000
  47         */
  48        u32 ref_freq_hz;
  49
  50        /* invert the spectrum */
  51        bool inversion;
  52};
  53
  54#endif /* _DVB_SI2165_H */
  55