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-rw-r--r--drivers/media/dvb-frontends/ves1820.h56
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diff --git a/drivers/media/dvb-frontends/ves1820.h b/drivers/media/dvb-frontends/ves1820.h
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1/*
2 VES1820 - Single Chip Cable Channel Receiver driver module
3
4 Copyright (C) 1999 Convergence Integrated Media GmbH <ralph@convergence.de>
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#ifndef VES1820_H
22#define VES1820_H
23
24#include <linux/dvb/frontend.h>
25
26#define VES1820_SELAGC_PWM 0
27#define VES1820_SELAGC_SIGNAMPERR 1
28
29struct ves1820_config
30{
31 /* the demodulator's i2c address */
32 u8 demod_address;
33
34 /* value of XIN to use */
35 u32 xin;
36
37 /* does inversion need inverted? */
38 u8 invert:1;
39
40 /* SELAGC control */
41 u8 selagc:1;
42};
43
44#if defined(CONFIG_DVB_VES1820) || (defined(CONFIG_DVB_VES1820_MODULE) && defined(MODULE))
45extern struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
46 struct i2c_adapter* i2c, u8 pwm);
47#else
48static inline struct dvb_frontend* ves1820_attach(const struct ves1820_config* config,
49 struct i2c_adapter* i2c, u8 pwm)
50{
51 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
52 return NULL;
53}
54#endif // CONFIG_DVB_VES1820
55
56#endif // VES1820_H