summaryrefslogtreecommitdiffstats
path: root/kernel/drivers/media/dvb-frontends/ts2020.h
blob: 1714af94eca249418b82c0748540dd23c770740b (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
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
/*
    Montage Technology TS2020 - Silicon Tuner driver
    Copyright (C) 2009-2012 Konstantin Dimitrov <kosio.dimitrov@gmail.com>

    Copyright (C) 2009-2012 TurboSight.com

    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 TS2020_H
#define TS2020_H

#include <linux/kconfig.h>
#include <linux/dvb/frontend.h>

struct ts2020_config {
	u8 tuner_address;
	u32 frequency_div;

	/*
	 * RF loop-through
	 */
	u8 loop_through:1;

	/*
	 * clock output
	 */
#define TS2020_CLK_OUT_DISABLED        0
#define TS2020_CLK_OUT_ENABLED         1
#define TS2020_CLK_OUT_ENABLED_XTALOUT 2
	u8 clk_out:2;

	/*
	 * clock output divider
	 * 1 - 31
	 */
	u8 clk_out_div:5;

	/*
	 * pointer to DVB frontend
	 */
	struct dvb_frontend *fe;
};

#if IS_REACHABLE(CONFIG_DVB_TS2020)

extern struct dvb_frontend *ts2020_attach(
	struct dvb_frontend *fe,
	const struct ts2020_config *config,
	struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *ts2020_attach(
	struct dvb_frontend *fe,
	const struct ts2020_config *config,
	struct i2c_adapter *i2c)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif

#endif /* TS2020_H */