tea575x-tuner.h 1.74 KB
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#ifndef __SOUND_TEA575X_TUNER_H
#define __SOUND_TEA575X_TUNER_H

/*
 *   ALSA driver for TEA5757/5759 Philips AM/FM tuner chips
 *
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 *	Copyright (c) 2004 Jaroslav Kysela <perex@perex.cz>
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 *
 *   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
 *
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 */
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#include <linux/videodev.h>
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#include <media/v4l2-dev.h>
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struct snd_tea575x;
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struct snd_tea575x_ops {
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	void (*write)(struct snd_tea575x *tea, unsigned int val);
	unsigned int (*read)(struct snd_tea575x *tea);
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	void (*mute)(struct snd_tea575x *tea, unsigned int mute);
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};

struct snd_tea575x {
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	struct snd_card *card;
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	struct video_device vd;		/* video device */
	struct file_operations fops;
	int dev_nr;			/* requested device number + 1 */
	int vd_registered;		/* video device is registered */
	int tea5759;			/* 5759 chip is present */
	unsigned int freq_fixup;	/* crystal onboard */
	unsigned int val;		/* hw value */
	unsigned long freq;		/* frequency */
	struct snd_tea575x_ops *ops;
	void *private_data;
};

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void snd_tea575x_init(struct snd_tea575x *tea);
void snd_tea575x_exit(struct snd_tea575x *tea);
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#endif /* __SOUND_TEA575X_TUNER_H */