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tea575x-tuner.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.
 *
 *   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 */

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