1 /* 2 * drxd.h: DRXD DVB-T demodulator driver 3 * 4 * Copyright (C) 2005-2007 Micronas 5 * 6 * This program is free software; you can redistribute it and/or 7 * modify it under the terms of the GNU General Public License 8 * version 2 only, as published by the Free Software Foundation. 9 * 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 * To obtain the license, point your browser to 17 * http://www.gnu.org/copyleft/gpl.html 18 */ 19 20 #ifndef _DRXD_H_ 21 #define _DRXD_H_ 22 23 #include <linux/types.h> 24 #include <linux/i2c.h> 25 26 struct drxd_config { 27 u8 index; 28 29 u8 pll_address; 30 u8 pll_type; 31 #define DRXD_PLL_NONE 0 32 #define DRXD_PLL_DTT7520X 1 33 #define DRXD_PLL_MT3X0823 2 34 35 u32 clock; 36 u8 insert_rs_byte; 37 38 u8 demod_address; 39 u8 demoda_address; 40 u8 demod_revision; 41 42 /* If the tuner is not behind an i2c gate, be sure to flip this bit 43 or else the i2c bus could get wedged */ 44 u8 disable_i2c_gate_ctrl; 45 46 u32 IF; 47 s16(*osc_deviation) (void *priv, s16 dev, int flag); 48 }; 49 50 #if IS_REACHABLE(CONFIG_DVB_DRXD) 51 extern 52 struct dvb_frontend *drxd_attach(const struct drxd_config *config, 53 void *priv, struct i2c_adapter *i2c, 54 struct device *dev); 55 #else 56 static inline 57 struct dvb_frontend *drxd_attach(const struct drxd_config *config, 58 void *priv, struct i2c_adapter *i2c, 59 struct device *dev) 60 { 61 printk(KERN_INFO "%s: not probed - driver disabled by Kconfig\n", 62 __func__); 63 return NULL; 64 } 65 #endif 66 67 #endif 68