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kernel/linux-rt-4.4.41/drivers/media/dvb-frontends/rtl2830.h 1.44 KB
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  /*
   * Realtek RTL2830 DVB-T demodulator driver
   *
   * Copyright (C) 2011 Antti Palosaari <crope@iki.fi>
   *
   *    This program is free software; you can redistribute it and/or modify
   *    it under the terms of the GNU General Public License as published by
   *    the Free Software Foundation; either version 2 of the License, or
   *    (at your option) any later version.
   *
   *    This program is distributed in the hope that it will be useful,
   *    but WITHOUT ANY WARRANTY; without even the implied warranty of
   *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
   *    GNU General Public License for more details.
   *
   */
  
  #ifndef RTL2830_H
  #define RTL2830_H
  
  #include <linux/dvb/frontend.h>
  
  /**
   * struct rtl2830_platform_data - Platform data for the rtl2830 driver
   * @clk: Clock frequency (4000000, 16000000, 25000000, 28800000).
   * @spec_inv: Spectrum inversion.
   * @vtop: AGC take-over point.
   * @krf: AGC ratio.
   * @agc_targ_val: AGC.
   * @get_dvb_frontend: Get DVB frontend.
   * @get_i2c_adapter: Get I2C adapter.
   * @pid_filter: Set PID to PID filter.
   * @pid_filter_ctrl: Control PID filter.
   */
  
  struct rtl2830_platform_data {
  	u32 clk;
  	bool spec_inv;
  	u8 vtop;
  	u8 krf;
  	u8 agc_targ_val;
  
  	struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *);
  	struct i2c_adapter* (*get_i2c_adapter)(struct i2c_client *);
  	int (*pid_filter)(struct dvb_frontend *, u8, u16, int);
  	int (*pid_filter_ctrl)(struct dvb_frontend *, int);
  };
  
  #endif /* RTL2830_H */