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Linus Torvalds1da177e2005-04-16 15:20:36 -07001#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 *
Jaroslav Kyselac1017a42007-10-15 09:50:19 +02007 * Copyright (c) 2004 Jaroslav Kysela <perex@perex.cz>
Linus Torvalds1da177e2005-04-16 15:20:36 -07008 *
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 *
Andrew Morton7477dda2006-06-21 01:29:38 -030023 */
Linus Torvalds1da177e2005-04-16 15:20:36 -070024
25#include <linux/videodev.h>
Andrew Morton7477dda2006-06-21 01:29:38 -030026#include <media/v4l2-dev.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070027
Takashi Iwai97f02e02005-11-17 14:17:19 +010028struct snd_tea575x;
Linus Torvalds1da177e2005-04-16 15:20:36 -070029
30struct snd_tea575x_ops {
Takashi Iwai97f02e02005-11-17 14:17:19 +010031 void (*write)(struct snd_tea575x *tea, unsigned int val);
32 unsigned int (*read)(struct snd_tea575x *tea);
Andy Shevchenko69252122008-01-24 18:11:53 +010033 void (*mute)(struct snd_tea575x *tea, unsigned int mute);
Linus Torvalds1da177e2005-04-16 15:20:36 -070034};
35
36struct snd_tea575x {
Takashi Iwai97f02e02005-11-17 14:17:19 +010037 struct snd_card *card;
Linus Torvalds1da177e2005-04-16 15:20:36 -070038 struct video_device vd; /* video device */
Linus Torvalds1da177e2005-04-16 15:20:36 -070039 struct file_operations fops;
Linus Torvalds1da177e2005-04-16 15:20:36 -070040 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 */
Hans Verkuil2f3d0022008-08-23 04:52:00 -030046 unsigned long in_use; /* set if the device is in use */
Linus Torvalds1da177e2005-04-16 15:20:36 -070047 struct snd_tea575x_ops *ops;
48 void *private_data;
49};
50
Takashi Iwai97f02e02005-11-17 14:17:19 +010051void snd_tea575x_init(struct snd_tea575x *tea);
52void snd_tea575x_exit(struct snd_tea575x *tea);
Linus Torvalds1da177e2005-04-16 15:20:36 -070053
54#endif /* __SOUND_TEA575X_TUNER_H */