summaryrefslogtreecommitdiffstats
path: root/kernel/drivers/media/dvb-frontends/horus3a.h
blob: c1e2d1834b782096ff3e35fefa3db8bb5c2bb786 (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
/*
 * horus3a.h
 *
 * Sony Horus3A DVB-S/S2 tuner driver
 *
 * Copyright 2012 Sony Corporation
 * Copyright (C) 2014 NetUP Inc.
 * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru>
 * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
 *
 * 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.
  */

#ifndef __DVB_HORUS3A_H__
#define __DVB_HORUS3A_H__

#include <linux/kconfig.h>
#include <linux/dvb/frontend.h>
#include <linux/i2c.h>

/**
 * struct horus3a_config - the configuration of Horus3A tuner driver
 * @i2c_address:    I2C address of the tuner
 * @xtal_freq_mhz:  Oscillator frequency, MHz
 * @set_tuner_priv: Callback function private context
 * @set_tuner_callback: Callback function that notifies the parent driver
 *          which tuner is active now
 */
struct horus3a_config {
	u8	i2c_address;
	u8	xtal_freq_mhz;
	void	*set_tuner_priv;
	int	(*set_tuner_callback)(void *, int);
};

#if IS_REACHABLE(CONFIG_DVB_HORUS3A)
extern struct dvb_frontend *horus3a_attach(struct dvb_frontend *fe,
					const struct horus3a_config *config,
					struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *horus3a_attach(struct dvb_frontend *fe,
					const struct horus3a_config *config,
					struct i2c_adapter *i2c)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif

#endif