tjh.dev
Linux kernel mirror (for testing)
git.kernel.org/pub/scm/linux/kernel/git/torvalds/linux.git
kernel
os
linux
1/*
2 Auvitek AU8522 QAM/8VSB demodulator driver
3
4 Copyright (C) 2008 Steven Toth <stoth@hauppauge.com>
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
22#ifndef __AU8522_H__
23#define __AU8522_H__
24
25#include <linux/dvb/frontend.h>
26
27struct au8522_config {
28 /* the demodulator's i2c address */
29 u8 demod_address;
30
31 /* Return lock status based on tuner lock, or demod lock */
32#define AU8522_TUNERLOCKING 0
33#define AU8522_DEMODLOCKING 1
34 u8 status_mode;
35};
36
37#if defined(CONFIG_DVB_AU8522) || \
38 (defined(CONFIG_DVB_AU8522_MODULE) && defined(MODULE))
39extern struct dvb_frontend *au8522_attach(const struct au8522_config *config,
40 struct i2c_adapter *i2c);
41#else
42static inline
43struct dvb_frontend *au8522_attach(const struct au8522_config *config,
44 struct i2c_adapter *i2c)
45{
46 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
47 return NULL;
48}
49#endif /* CONFIG_DVB_AU8522 */
50
51#endif /* __AU8522_H__ */
52
53/*
54 * Local variables:
55 * c-basic-offset: 8
56 */