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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
Mauro Carvalho Chehab9b76ede2009-02-27 11:51:24 -030025#include <linux/videodev2.h>
Ondrej Zary4522e822011-05-23 09:17:19 -030026#include <media/v4l2-ctrls.h>
Andrew Morton7477dda2006-06-21 01:29:38 -030027#include <media/v4l2-dev.h>
Hans Verkuild4ecc832012-02-27 05:30:13 -030028#include <media/v4l2-device.h>
Linus Torvalds1da177e2005-04-16 15:20:36 -070029
Ondrej Zaryea273162011-05-12 22:17:56 +020030#define TEA575X_FMIF 10700
Hans de Goedefc488512012-07-12 17:39:18 -030031#define TEA575X_AMIF 450
Ondrej Zaryea273162011-05-12 22:17:56 +020032
Ondrej Zary14219d02011-05-09 23:39:26 +020033#define TEA575X_DATA (1 << 0)
34#define TEA575X_CLK (1 << 1)
35#define TEA575X_WREN (1 << 2)
36#define TEA575X_MOST (1 << 3)
37
Takashi Iwai97f02e02005-11-17 14:17:19 +010038struct snd_tea575x;
Linus Torvalds1da177e2005-04-16 15:20:36 -070039
40struct snd_tea575x_ops {
Hans de Goede31a62d42012-05-18 09:36:17 -030041 /* Drivers using snd_tea575x must either define read_ and write_val */
42 void (*write_val)(struct snd_tea575x *tea, u32 val);
43 u32 (*read_val)(struct snd_tea575x *tea);
44 /* Or define the 3 pin functions */
Ondrej Zary14219d02011-05-09 23:39:26 +020045 void (*set_pins)(struct snd_tea575x *tea, u8 pins);
46 u8 (*get_pins)(struct snd_tea575x *tea);
47 void (*set_direction)(struct snd_tea575x *tea, bool output);
Linus Torvalds1da177e2005-04-16 15:20:36 -070048};
49
50struct snd_tea575x {
Hans Verkuild4ecc832012-02-27 05:30:13 -030051 struct v4l2_device *v4l2_dev;
Hans de Goede5daf53a2012-05-19 07:57:03 -030052 struct v4l2_file_operations fops;
Ondrej Zary4522e822011-05-23 09:17:19 -030053 struct video_device vd; /* video device */
Hans Verkuild4ecc832012-02-27 05:30:13 -030054 int radio_nr; /* radio_nr */
Ondrej Zary375d1352011-03-19 16:32:53 +010055 bool tea5759; /* 5759 chip is present */
Hans de Goedefc488512012-07-12 17:39:18 -030056 bool has_am; /* Device can tune to AM freqs */
Hans Verkuild4ecc832012-02-27 05:30:13 -030057 bool cannot_read_data; /* Device cannot read the data pin */
Hans de Goede3d0fe512012-05-18 12:21:57 -030058 bool cannot_mute; /* Device cannot mute */
Ondrej Zary375d1352011-03-19 16:32:53 +010059 bool mute; /* Device is muted? */
60 bool stereo; /* receiving stereo */
61 bool tuned; /* tuned to a station */
Linus Torvalds1da177e2005-04-16 15:20:36 -070062 unsigned int val; /* hw value */
Hans de Goedefc488512012-07-12 17:39:18 -030063 u32 band; /* 0: FM, 1: FM-Japan, 2: AM */
Hans Verkuild4ecc832012-02-27 05:30:13 -030064 u32 freq; /* frequency */
Ondrej Zary6a529c12011-06-11 10:28:59 -030065 struct mutex mutex;
Julia Lawall22dbec22015-11-22 08:32:53 -020066 const struct snd_tea575x_ops *ops;
Linus Torvalds1da177e2005-04-16 15:20:36 -070067 void *private_data;
Ondrej Zary10ca7202011-05-12 22:18:22 +020068 u8 card[32];
69 u8 bus_info[32];
Ondrej Zary4522e822011-05-23 09:17:19 -030070 struct v4l2_ctrl_handler ctrl_handler;
71 int (*ext_init)(struct snd_tea575x *tea);
Linus Torvalds1da177e2005-04-16 15:20:36 -070072};
73
Ondrej Zary6994ca32015-01-15 17:10:46 -030074int snd_tea575x_enum_freq_bands(struct snd_tea575x *tea,
75 struct v4l2_frequency_band *band);
76int snd_tea575x_g_tuner(struct snd_tea575x *tea, struct v4l2_tuner *v);
77int snd_tea575x_s_hw_freq_seek(struct file *file, struct snd_tea575x *tea,
78 const struct v4l2_hw_freq_seek *a);
Ondrej Zary8fd79572013-05-14 16:54:43 -030079int snd_tea575x_hw_init(struct snd_tea575x *tea);
Hans de Goede5daf53a2012-05-19 07:57:03 -030080int snd_tea575x_init(struct snd_tea575x *tea, struct module *owner);
Takashi Iwai97f02e02005-11-17 14:17:19 +010081void snd_tea575x_exit(struct snd_tea575x *tea);
Hans de Goede559c2002012-08-11 12:55:22 -030082void snd_tea575x_set_freq(struct snd_tea575x *tea);
Linus Torvalds1da177e2005-04-16 15:20:36 -070083
84#endif /* __SOUND_TEA575X_TUNER_H */