Release 4.12 include/media/drv-intf/tea575x.h

#ifndef __SOUND_TEA575X_TUNER_H

#define __SOUND_TEA575X_TUNER_H

/*
 *   ALSA driver for TEA5757/5759 Philips AM/FM tuner chips
 *
 *      Copyright (c) 2004 Jaroslav Kysela <perex@perex.cz>
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 2 of the License, or
 *   (at your option) any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 */

#include <linux/videodev2.h>
#include <media/v4l2-ctrls.h>
#include <media/v4l2-dev.h>
#include <media/v4l2-device.h>


#define TEA575X_FMIF	10700

#define TEA575X_AMIF	  450


#define TEA575X_DATA	(1 << 0)

#define TEA575X_CLK	(1 << 1)

#define TEA575X_WREN	(1 << 2)

#define TEA575X_MOST	(1 << 3)

struct snd_tea575x;


struct snd_tea575x_ops {
	/* Drivers using snd_tea575x must either define read_ and write_val */
	
void (*write_val)(struct snd_tea575x *tea, u32 val);
	
u32 (*read_val)(struct snd_tea575x *tea);
	/* Or define the 3 pin functions */
	
void (*set_pins)(struct snd_tea575x *tea, u8 pins);
	
u8 (*get_pins)(struct snd_tea575x *tea);
	
void (*set_direction)(struct snd_tea575x *tea, bool output);
};


struct snd_tea575x {
	
struct v4l2_device *v4l2_dev;
	
struct v4l2_file_operations fops;
	
struct video_device vd;		/* video device */
	
int radio_nr;			/* radio_nr */
	
bool tea5759;			/* 5759 chip is present */
	
bool has_am;			/* Device can tune to AM freqs */
	
bool cannot_read_data;		/* Device cannot read the data pin */
	
bool cannot_mute;		/* Device cannot mute */
	
bool mute;			/* Device is muted? */
	
bool stereo;			/* receiving stereo */
	
bool tuned;			/* tuned to a station */
	
unsigned int val;		/* hw value */
	
u32 band;			/* 0: FM, 1: FM-Japan, 2: AM */
	
u32 freq;			/* frequency */
	
struct mutex mutex;
	
const struct snd_tea575x_ops *ops;
	
void *private_data;
	
u8 card[32];
	
u8 bus_info[32];
	
struct v4l2_ctrl_handler ctrl_handler;
	
int (*ext_init)(struct snd_tea575x *tea);
};

int snd_tea575x_enum_freq_bands(struct snd_tea575x *tea,
					struct v4l2_frequency_band *band);
int snd_tea575x_g_tuner(struct snd_tea575x *tea, struct v4l2_tuner *v);
int snd_tea575x_s_hw_freq_seek(struct file *file, struct snd_tea575x *tea,
				const struct v4l2_hw_freq_seek *a);
int snd_tea575x_hw_init(struct snd_tea575x *tea);
int snd_tea575x_init(struct snd_tea575x *tea, struct module *owner);
void snd_tea575x_exit(struct snd_tea575x *tea);
void snd_tea575x_set_freq(struct snd_tea575x *tea);

#endif /* __SOUND_TEA575X_TUNER_H */
Overall Contributors
Person
Tokens
Prop
Commits
CommitProp
Ondrej Zary
129
40.31%
8
36.36%
Jaroslav Kysela
78
24.38%
1
4.55%
Hans de Goede
63
19.69%
5
22.73%
Hans Verkuil
18
5.62%
2
9.09%
Andy Shevchenko
12
3.75%
1
4.55%
Takashi Iwai
10
3.12%
1
4.55%
Mauro Carvalho Chehab
6
1.88%
1
4.55%
Andrew Morton
2
0.62%
1
4.55%
Sakari Ailus
1
0.31%
1
4.55%
Julia Lawall
1
0.31%
1
4.55%
Total
320
100.00%
22
100.00%
Directory: include/media/drv-intf

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