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Linux kernel mirror (for testing)
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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@suse.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
27typedef struct snd_tea575x tea575x_t;
28
29struct snd_tea575x_ops {
30 void (*write)(tea575x_t *tea, unsigned int val);
31 unsigned int (*read)(tea575x_t *tea);
32};
33
34struct snd_tea575x {
35 snd_card_t *card;
36 struct video_device vd; /* video device */
37 struct file_operations fops;
38 int dev_nr; /* requested device number + 1 */
39 int vd_registered; /* video device is registered */
40 int tea5759; /* 5759 chip is present */
41 unsigned int freq_fixup; /* crystal onboard */
42 unsigned int val; /* hw value */
43 unsigned long freq; /* frequency */
44 struct snd_tea575x_ops *ops;
45 void *private_data;
46};
47
48void snd_tea575x_init(tea575x_t *tea);
49void snd_tea575x_exit(tea575x_t *tea);
50
51#endif /* __SOUND_TEA575X_TUNER_H */