drivers/media/dvb-frontends/rtl2830.h

   1 /*
   2  * Realtek RTL2830 DVB-T demodulator driver
   3  *
   4  * Copyright (C) 2011 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
  18 #ifndef RTL2830_H
  19 #define RTL2830_H
  20
  21 #include <linux/dvb/frontend.h>
  22
  23 /**
  24  * struct rtl2830_platform_data - Platform data for the rtl2830 driver
  25  * @clk: Clock frequency (4000000, 16000000, 25000000, 28800000).
  26  * @spec_inv: Spectrum inversion.
  27  * @vtop: AGC take-over point.
  28  * @krf: AGC ratio.
  29  * @agc_targ_val: AGC.
  30  * @get_dvb_frontend: Get DVB frontend.
  31  * @get_i2c_adapter: Get I2C adapter.
  32  * @pid_filter: Set PID to PID filter.
  33  * @pid_filter_ctrl: Control PID filter.
  34  */
  35 struct rtl2830_platform_data {
  36         u32 clk;
  37         bool spec_inv;
  38         u8 vtop;
  39         u8 krf;
  40         u8 agc_targ_val;
  41
  42         struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
  43         struct i2c_adapter* (*get_i2c_adapter)(struct i2c_client *);
  44         int (*pid_filter)(struct dvb_frontend *, u8, u16, int);
  45         int (*pid_filter_ctrl)(struct dvb_frontend *, int);
  46 };
  47
  48 #endif /* RTL2830_H */