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 defined(CONFIG_DVB_VES1X93) || (defined(CONFIG_DVB_VES1X93_MODULE) && defined(MODULE))
44 extern struct dvb_frontend* ves1x93_attach(const struct ves1x93_config* config,
45 struct i2c_adapter* i2c);
46 #else
ves1x93_attach(const struct ves1x93_config * config,struct i2c_adapter * i2c)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