blob: c073f353ac387e4fd4dce10e99a99784ed0c603e (
plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
|
/*
VES1820 - Single Chip Cable Channel Receiver driver module
Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 2 of the License, or
(at your option) any later version.
This program is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program; if not, write to the Free Software
Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
*/
#ifndef VES1820_H
#define VES1820_H
#include <linux/dvb/frontend.h>
#define VES1820_SELAGC_PWM 0
#define VES1820_SELAGC_SIGNAMPERR 1
struct ves1820_config
{
/* the demodulator's i2c address */
u8 demod_address;
/* value of XIN to use */
u32 xin;
/* does inversion need inverted? */
u8 invert:1;
/* SELAGC control */
u8 selagc:1;
};
#if IS_ENABLED(CONFIG_DVB_VES1820)
extern struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
struct i2c_adapter* i2c, u8 pwm);
#else
static inline struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
struct i2c_adapter* i2c, u8 pwm)
{
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
return NULL;
}
#endif // CONFIG_DVB_VES1820
#endif // VES1820_H
|
