1 /* 2 Driver for VES1893 and VES1993 QPSK Demodulators 3 4 Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de> 5 Copyright (C) 2001 Ronny Strutz <3des@elitedvb.de> 6 Copyright (C) 2002 Dennis Noermann <dennis.noermann@noernet.de> 7 Copyright (C) 2002-2003 Andreas Oberritter <obi@linuxtv.org> 8 9 This program is free software; you can redistribute it and/or modify 10 it under the terms of the GNU General Public License as published by 11 the Free Software Foundation; either version 2 of the License, or 12 (at your option) any later version. 13 14 This program is distributed in the hope that it will be useful, 15 but WITHOUT ANY WARRANTY; without even the implied warranty of 16 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 17 18 GNU General Public License for more details. 19 20 You should have received a copy of the GNU General Public License 21 along with this program; if not, write to the Free Software 22 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. 23 24 */ 25 26 #ifndef VES1X93_H 27 #define VES1X93_H 28 29 #include <linux/dvb/frontend.h> 30 31 struct ves1x93_config 32 { 33 /* the demodulator's i2c address */ 34 u8 demod_address; 35 36 /* value of XIN to use */ 37 u32 xin; 38 39 /* should PWM be inverted? */ 40 u8 invert_pwm:1; 41 }; 42 43 #if IS_REACHABLE(CONFIG_DVB_VES1X93) 44 extern struct dvb_frontend* ves1x93_attach(const struct ves1x93_config* config, 45 struct i2c_adapter* i2c); 46 #else 47 static inline struct dvb_frontend* ves1x93_attach(const struct ves1x93_config* config, 48 struct i2c_adapter* i2c) 49 { 50 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); 51 return NULL; 52 } 53 #endif // CONFIG_DVB_VES1X93 54 55 #endif // VES1X93_H 56