linux-sg2042/drivers/media/dvb-frontends/rtl2830.h

/*
 * 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 */