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-ctrls.h>
27#include <media/v4l2-dev.h>
28
29#define TEA575X_FMIF	10700
30
31#define TEA575X_DATA	(1 << 0)
32#define TEA575X_CLK	(1 << 1)
33#define TEA575X_WREN	(1 << 2)
34#define TEA575X_MOST	(1 << 3)
35
36struct snd_tea575x;
37
38struct snd_tea575x_ops {
39	void (*set_pins)(struct snd_tea575x *tea, u8 pins);
40	u8 (*get_pins)(struct snd_tea575x *tea);
41	void (*set_direction)(struct snd_tea575x *tea, bool output);
42};
43
44struct snd_tea575x {
45	struct video_device vd;		/* video device */
46	bool tea5759;			/* 5759 chip is present */
47	bool mute;			/* Device is muted? */
48	bool stereo;			/* receiving stereo */
49	bool tuned;			/* tuned to a station */
50	unsigned int val;		/* hw value */
51	unsigned long freq;		/* frequency */
52	struct mutex mutex;
53	struct snd_tea575x_ops *ops;
54	void *private_data;
55	u8 card[32];
56	u8 bus_info[32];
57	struct v4l2_ctrl_handler ctrl_handler;
58	int (*ext_init)(struct snd_tea575x *tea);
59};
60
61int snd_tea575x_init(struct snd_tea575x *tea);
62void snd_tea575x_exit(struct snd_tea575x *tea);
63
64#endif /* __SOUND_TEA575X_TUNER_H */