1/* 2 * HDIC HD29L2 DMB-TH demodulator driver 3 * 4 * Copyright (C) 2011 Metropolia University of Applied Sciences, Electria R&D 5 * 6 * Author: Antti Palosaari <crope@iki.fi> 7 * 8 * This program is free software; you can redistribute it and/or modify 9 * it under the terms of the GNU General Public License as published by 10 * the Free Software Foundation; either version 2 of the License, or 11 * (at your option) any later version. 12 * 13 * This program is distributed in the hope that it will be useful, 14 * but WITHOUT ANY WARRANTY; without even the implied warranty of 15 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 16 * GNU General Public License for more details. 17 * 18 * You should have received a copy of the GNU General Public License 19 * along with this program; if not, write to the Free Software 20 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 21 */ 22 23#ifndef HD29L2_H 24#define HD29L2_H 25 26#include <linux/dvb/frontend.h> 27 28struct hd29l2_config { 29 /* 30 * demodulator I2C address 31 */ 32 u8 i2c_addr; 33 34 /* 35 * tuner I2C address 36 * only needed when tuner is behind demod I2C-gate 37 */ 38 u8 tuner_i2c_addr; 39 40 /* 41 * TS settings 42 */ 43#define HD29L2_TS_SERIAL 0x00 44#define HD29L2_TS_PARALLEL 0x80 45#define HD29L2_TS_CLK_NORMAL 0x40 46#define HD29L2_TS_CLK_INVERTED 0x00 47#define HD29L2_TS_CLK_GATED 0x20 48#define HD29L2_TS_CLK_FREE 0x00 49 u8 ts_mode; 50}; 51 52 53#if defined(CONFIG_DVB_HD29L2) || \ 54 (defined(CONFIG_DVB_HD29L2_MODULE) && defined(MODULE)) 55extern struct dvb_frontend *hd29l2_attach(const struct hd29l2_config *config, 56 struct i2c_adapter *i2c); 57#else 58static inline struct dvb_frontend *hd29l2_attach( 59const struct hd29l2_config *config, struct i2c_adapter *i2c) 60{ 61 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 62 return NULL; 63} 64#endif 65 66#endif /* HD29L2_H */ 67