1/* 2 Conexant cx24123/cx24109 - DVB QPSK Satellite demod/tuner driver 3 4 Copyright (C) 2005 Steven Toth <stoth@hauppauge.com> 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 You should have received a copy of the GNU General Public License 17 along with this program; if not, write to the Free Software 18 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 19*/ 20 21#ifndef CX24123_H 22#define CX24123_H 23 24#include <linux/dvb/frontend.h> 25 26struct cx24123_config 27{ 28 /* the demodulator's i2c address */ 29 u8 demod_address; 30 31 /* Need to set device param for start_dma */ 32 int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured); 33 34 /* 0 = LNB voltage normal, 1 = LNB voltage inverted */ 35 int lnb_polarity; 36}; 37 38#if defined(CONFIG_DVB_CX24123) || (defined(CONFIG_DVB_CX24123_MODULE) && \ 39 defined(MODULE)) 40extern struct dvb_frontend* cx24123_attach(const struct cx24123_config* config, 41 struct i2c_adapter* i2c); 42#else 43static inline struct dvb_frontend* cx24123_attach(const struct cx24123_config* config, 44 struct i2c_adapter* i2c) 45{ 46 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__); 47 return NULL; 48} 49#endif // CONFIG_DVB_CX24123 50 51#endif /* CX24123_H */ 52