drivers/media/dvb-frontends/mn88472.h

   1 /*
   2  * Panasonic MN88472 DVB-T/T2/C demodulator driver
   3  *
   4  * Copyright (C) 2013 Antti Palosaari <crope@iki.fi>
   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
  17 #ifndef MN88472_H
  18 #define MN88472_H
  19
  20 #include <linux/dvb/frontend.h>
  21
  22 /* Define old names for backward compatibility */
  23 #define VARIABLE_TS_CLOCK   MN88472_TS_CLK_VARIABLE
  24 #define FIXED_TS_CLOCK      MN88472_TS_CLK_FIXED
  25 #define SERIAL_TS_MODE      MN88472_TS_MODE_SERIAL
  26 #define PARALLEL_TS_MODE    MN88472_TS_MODE_PARALLEL
  27
  28 /**
  29  * struct mn88472_config - Platform data for the mn88472 driver
  30  * @xtal: Clock frequency.
  31  * @ts_mode: TS mode.
  32  * @ts_clock: TS clock config.
  33  * @i2c_wr_max: Max number of bytes driver writes to I2C at once.
  34  * @fe: pointer to a frontend pointer
  35  * @get_dvb_frontend: Get DVB frontend callback.
  36  */
  37 struct mn88472_config {
  38         unsigned int xtal;
  39
  40 #define MN88472_TS_MODE_SERIAL      0
  41 #define MN88472_TS_MODE_PARALLEL    1
  42         int ts_mode;
  43
  44 #define MN88472_TS_CLK_FIXED        0
  45 #define MN88472_TS_CLK_VARIABLE     1
  46         int ts_clock;
  47
  48         u16 i2c_wr_max;
  49
  50         /* Everything after that is returned by the driver. */
  51
  52         /*
  53          * DVB frontend.
  54          */
  55         struct dvb_frontend **fe;
  56         struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
  57 };
  58
  59 #endif