1 /* 2 Driver for Zarlink MT312 Satellite Channel Decoder 3 4 Copyright (C) 2003 Andreas Oberritter <obi@linuxtv.org> 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 15 GNU General Public License for more details. 16 17 You should have received a copy of the GNU General Public License 18 along with this program; if not, write to the Free Software 19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 20 21 References: 22 http://products.zarlink.com/product_profiles/MT312.htm 23 http://products.zarlink.com/product_profiles/SL1935.htm 24 */ 25 26 #ifndef MT312_H 27 #define MT312_H 28 29 #include <linux/dvb/frontend.h> 30 31 struct mt312_config { 32 /* the demodulator's i2c address */ 33 u8 demod_address; 34 35 /* inverted voltage setting */ 36 unsigned int voltage_inverted:1; 37 }; 38 39 #if IS_REACHABLE(CONFIG_DVB_MT312) 40 struct dvb_frontend *mt312_attach(const struct mt312_config *config, 41 struct i2c_adapter *i2c); 42 #else 43 static inline struct dvb_frontend *mt312_attach( 44 const struct mt312_config *config, struct i2c_adapter *i2c) 45 { 46 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 47 return NULL; 48 } 49 #endif /* CONFIG_DVB_MT312 */ 50 51 #endif /* MT312_H */ 52