1 /* 2 Driver for STV0297 demodulator 3 4 Copyright (C) 2003-2004 Dennis Noermann <dennis.noermann@noernet.de> 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 STV0297_H 22 #define STV0297_H 23 24 #include <linux/dvb/frontend.h> 25 #include "dvb_frontend.h" 26 27 struct stv0297_config 28 { 29 /* the demodulator's i2c address */ 30 u8 demod_address; 31 32 /* inittab - array of pairs of values. 33 * First of each pair is the register, second is the value. 34 * List should be terminated with an 0xff, 0xff pair. 35 */ 36 u8* inittab; 37 38 /* does the "inversion" need inverted? */ 39 u8 invert:1; 40 41 /* set to 1 if the device requires an i2c STOP during reading */ 42 u8 stop_during_read:1; 43 }; 44 45 #if IS_REACHABLE(CONFIG_DVB_STV0297) 46 extern struct dvb_frontend* stv0297_attach(const struct stv0297_config* config, 47 struct i2c_adapter* i2c); 48 #else 49 static inline struct dvb_frontend* stv0297_attach(const struct stv0297_config* config, 50 struct i2c_adapter* i2c) 51 { 52 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 53 return NULL; 54 } 55 #endif // CONFIG_DVB_STV0297 56 57 #endif // STV0297_H 58