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
31struct 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_ENABLED(CONFIG_DVB_VES1X93)
44extern struct dvb_frontend* ves1x93_attach(const struct ves1x93_config* config,
45					   struct i2c_adapter* i2c);
46#else
47static 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