#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-ctrls.h>

  #include <media/v4l2-dev.h>

  #define TEA575X_FMIF	10700

  #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 {

  	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 video_device vd;		/* video device */

  	bool tea5759;			/* 5759 chip is present */
  	bool mute;			/* Device is muted? */
  	bool stereo;			/* receiving stereo */
  	bool tuned;			/* tuned to a station */

  	unsigned int val;		/* hw value */
  	unsigned long freq;		/* frequency */

  	struct mutex mutex;

  	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_init(struct snd_tea575x *tea);

  void snd_tea575x_exit(struct snd_tea575x *tea);

  
  #endif /* __SOUND_TEA575X_TUNER_H */