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
  26 enum {
  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  */
  35 struct 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 */