mirror of
https://git.kernel.org/pub/scm/linux/kernel/git/chenhuacai/linux-loongson
synced 2025-10-31 04:31:19 +00:00
55 lines
1.8 KiB
C
55 lines
1.8 KiB
C
#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.
|
|
*
|
|
* You should have received a copy of the GNU General Public License
|
|
* along with this program; if not, write to the Free Software
|
|
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
|
|
*
|
|
*/
|
|
|
|
#include <linux/videodev2.h>
|
|
#include <media/v4l2-dev.h>
|
|
#include <media/v4l2-ioctl.h>
|
|
|
|
struct snd_tea575x;
|
|
|
|
struct snd_tea575x_ops {
|
|
void (*write)(struct snd_tea575x *tea, unsigned int val);
|
|
unsigned int (*read)(struct snd_tea575x *tea);
|
|
void (*mute)(struct snd_tea575x *tea, unsigned int mute);
|
|
};
|
|
|
|
struct snd_tea575x {
|
|
struct snd_card *card;
|
|
struct video_device *vd; /* video device */
|
|
int dev_nr; /* requested device number + 1 */
|
|
int tea5759; /* 5759 chip is present */
|
|
int mute; /* Device is muted? */
|
|
unsigned int freq_fixup; /* crystal onboard */
|
|
unsigned int val; /* hw value */
|
|
unsigned long freq; /* frequency */
|
|
unsigned long in_use; /* set if the device is in use */
|
|
struct snd_tea575x_ops *ops;
|
|
void *private_data;
|
|
};
|
|
|
|
void snd_tea575x_init(struct snd_tea575x *tea);
|
|
void snd_tea575x_exit(struct snd_tea575x *tea);
|
|
|
|
#endif /* __SOUND_TEA575X_TUNER_H */
|