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 36 struct rtl2830_platform_data { 37 u32 clk; 38 bool spec_inv; 39 u8 vtop; 40 u8 krf; 41 u8 agc_targ_val; 42 43 struct dvb_frontend* (*get_dvb_frontend)(struct i2c_client *); 44 struct i2c_adapter* (*get_i2c_adapter)(struct i2c_client *); 45 int (*pid_filter)(struct dvb_frontend *, u8, u16, int); 46 int (*pid_filter_ctrl)(struct dvb_frontend *, int); 47 }; 48 49 #endif /* RTL2830_H */ 50