blob: 5aade569439b6357b6f16feb46755b3690fb9e0d (
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
|
#ifndef __SOUND_TEA575X_TUNER_H
#define __SOUND_TEA575X_TUNER_H
/*
* ALSA driver for TEA5757/5759 Philips AM/FM tuner chips
*
* Copyright (c) 2004 Jaroslav Kysela <perex@perex.cz>
*
* 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., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#include <linux/videodev2.h>
#include <media/v4l2-dev.h>
#include <media/v4l2-ioctl.h>
struct snd_tea575x;
struct snd_tea575x_ops {
void (*write)(struct snd_tea575x *tea, unsigned int val);
unsigned int (*read)(struct snd_tea575x *tea);
void (*mute)(struct snd_tea575x *tea, unsigned int mute);
};
struct snd_tea575x {
struct snd_card *card;
struct video_device *vd; /* video device */
bool tea5759; /* 5759 chip is present */
bool mute; /* Device is muted? */
bool stereo; /* receiving stereo */
bool tuned; /* tuned to a station */
unsigned int freq_fixup; /* crystal onboard */
unsigned int val; /* hw value */
unsigned long freq; /* frequency */
unsigned long in_use; /* set if the device is in use */
struct snd_tea575x_ops *ops;
void *private_data;
};
void snd_tea575x_init(struct snd_tea575x *tea);
void snd_tea575x_exit(struct snd_tea575x *tea);
#endif /* __SOUND_TEA575X_TUNER_H */
|
