drivers/media/dvb-frontends/si2165.h

   1 /*
   2     Driver for Silicon Labs SI2165 DVB-C/-T Demodulator
   3
   4     Copyright (C) 2013-2014 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 #ifndef _DVB_SI2165_H
  21 #define _DVB_SI2165_H
  22
  23 #include <linux/dvb/frontend.h>
  24
  25 enum {
  26         SI2165_MODE_OFF = 0x00,
  27         SI2165_MODE_PLL_EXT = 0x20,
  28         SI2165_MODE_PLL_XTAL = 0x21
  29 };
  30
  31 /* I2C addresses
  32  * possible values: 0x64,0x65,0x66,0x67
  33  */
  34 struct si2165_platform_data {
  35         /*
  36          * frontend
  37          * returned by driver
  38          */
  39         struct dvb_frontend **fe;
  40
  41         /* external clock or XTAL */
  42         u8 chip_mode;
  43
  44         /* frequency of external clock or xtal in Hz
  45          * possible values: 4000000, 16000000, 20000000, 240000000, 27000000
  46          */
  47         u32 ref_freq_Hz;
  48
  49         /* invert the spectrum */
  50         bool inversion;
  51 };
  52
  53 #endif /* _DVB_SI2165_H */