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/include/sound/tea575x-tuner.h

https://bitbucket.org/thekraven/iscream_thunderc-2.6.35
C++ Header | 54 lines | 27 code | 7 blank | 20 comment | 0 complexity | 1844d207bca03d3d82c20dd59b2f4f85 MD5 | raw file
Possible License(s): GPL-2.0, LGPL-2.0, AGPL-1.0
 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/videodev2.h>
26#include <media/v4l2-dev.h>
27#include <media/v4l2-ioctl.h>
28
29struct snd_tea575x;
30
31struct snd_tea575x_ops {
32	void (*write)(struct snd_tea575x *tea, unsigned int val);
33	unsigned int (*read)(struct snd_tea575x *tea);
34	void (*mute)(struct snd_tea575x *tea, unsigned int mute);
35};
36
37struct snd_tea575x {
38	struct snd_card *card;
39	struct video_device *vd;	/* video device */
40	int dev_nr;			/* requested device number + 1 */
41	int tea5759;			/* 5759 chip is present */
42	int mute;			/* Device is muted? */
43	unsigned int freq_fixup;	/* crystal onboard */
44	unsigned int val;		/* hw value */
45	unsigned long freq;		/* frequency */
46	unsigned long in_use;		/* set if the device is in use */
47	struct snd_tea575x_ops *ops;
48	void *private_data;
49};
50
51void snd_tea575x_init(struct snd_tea575x *tea);
52void snd_tea575x_exit(struct snd_tea575x *tea);
53
54#endif /* __SOUND_TEA575X_TUNER_H */