tjh.dev
Linux kernel mirror (for testing)
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kernel
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linux
1#ifndef __SOUND_TEA575X_TUNER_H
2#define __SOUND_TEA575X_TUNER_H
3
4/*
5 * ALSA driver for TEA5757/5759 Philips AM/FM tuner chips
6 *
7 * Copyright (c) 2004 Jaroslav Kysela <perex@perex.cz>
8 *
9 * This program is free software; you can redistribute it and/or modify
10 * it under the terms of the GNU General Public License as published by
11 * the Free Software Foundation; either version 2 of the License, or
12 * (at your option) any later version.
13 *
14 * This program is distributed in the hope that it will be useful,
15 * but WITHOUT ANY WARRANTY; without even the implied warranty of
16 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
17 * GNU General Public License for more details.
18 *
19 * You should have received a copy of the GNU General Public License
20 * along with this program; if not, write to the Free Software
21 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
22 *
23 */
24
25#include <linux/videodev.h>
26#include <media/v4l2-dev.h>
27
28struct snd_tea575x;
29
30struct snd_tea575x_ops {
31 void (*write)(struct snd_tea575x *tea, unsigned int val);
32 unsigned int (*read)(struct snd_tea575x *tea);
33 void (*mute)(struct snd_tea575x *tea, unsigned int mute);
34};
35
36struct snd_tea575x {
37 struct snd_card *card;
38 struct video_device vd; /* video device */
39 struct file_operations fops;
40 int dev_nr; /* requested device number + 1 */
41 int vd_registered; /* video device is registered */
42 int tea5759; /* 5759 chip is present */
43 unsigned int freq_fixup; /* crystal onboard */
44 unsigned int val; /* hw value */
45 unsigned long freq; /* frequency */
46 struct snd_tea575x_ops *ops;
47 void *private_data;
48};
49
50void snd_tea575x_init(struct snd_tea575x *tea);
51void snd_tea575x_exit(struct snd_tea575x *tea);
52
53#endif /* __SOUND_TEA575X_TUNER_H */