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/*

    tuner-driver.h - interface for different tuners

    Copyright (C) 1997 Markus Schroeder (schroedm@uni-duesseldorf.de)

    minor modifications by Ralph Metzler (rjkm@thp.uni-koeln.de)

    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., 675 Mass Ave, Cambridge, MA 02139, USA.

*/

#ifndef __TUNER_DRIVER_H__

#define __TUNER_DRIVER_H__

#include <linux/videodev2.h>

#include <linux/i2c.h>

#include "tuner-i2c.h"

#include "dvb_frontend.h"

extern unsigned const int tuner_count;

struct tuner;

struct tuner_operations {

        void (*set_tv_freq)(struct tuner *t, unsigned int freq);

        void (*set_radio_freq)(struct tuner *t, unsigned int freq);

        int  (*has_signal)(struct tuner *t);

        int  (*is_stereo)(struct tuner *t);

        int  (*get_afc)(struct tuner *t);

        void (*tuner_status)(struct tuner *t);

        void (*standby)(struct tuner *t);

        void (*release)(struct tuner *t);

};

struct tuner {

        /* device */

        struct i2c_client i2c;

        unsigned int type;      /* chip type */

        unsigned int mode;

        unsigned int mode_mask; /* Combination of allowable modes */

        unsigned int tv_freq;   /* keep track of the current settings */

        unsigned int radio_freq;

        unsigned int audmode;

        v4l2_std_id  std;

        int          using_v4l2;

        void *priv;

        struct dvb_frontend fe;

        /* used by tda9887 */

        unsigned int       tda9887_config;

        unsigned int config;

        int (*tuner_callback) (void *dev, int command,int arg);

        struct tuner_operations ops;

};

/* ------------------------------------------------------------------------ */

extern int tda9887_tuner_init(struct tuner *t);

/* ------------------------------------------------------------------------ */

#define tuner_warn(fmt, arg...) do {\

        printk(KERN_WARNING "%s %d-%04x: " fmt, t->i2c.driver->driver.name, \

                        i2c_adapter_id(t->i2c.adapter), t->i2c.addr , ##arg); } while (0)

#define tuner_info(fmt, arg...) do {\

        printk(KERN_INFO "%s %d-%04x: " fmt, t->i2c.driver->driver.name, \

                        i2c_adapter_id(t->i2c.adapter), t->i2c.addr , ##arg); } while (0)

#define tuner_dbg(fmt, arg...) do {\

        extern int tuner_debug; \

        if (tuner_debug) \

                printk(KERN_DEBUG "%s %d-%04x: " fmt, t->i2c.driver->driver.name, \

                        i2c_adapter_id(t->i2c.adapter), t->i2c.addr , ##arg); } while (0)

#endif /* __TUNER_DRIVER_H__ */

/*

 * Overrides for Emacs so that we follow Linus's tabbing style.

 * ---------------------------------------------------------------------------

 * Local variables:

 * c-basic-offset: 8

 * End:

 */