mirror of https://gitee.com/openkylin/linux.git
108 lines
3.3 KiB
C
108 lines
3.3 KiB
C
/*
|
|
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_HW_H__
|
|
#define __TUNER_HW_H__
|
|
|
|
#include <linux/videodev2.h>
|
|
#include <linux/i2c.h>
|
|
|
|
extern unsigned const int tuner_count;
|
|
|
|
struct tuner_operations {
|
|
void (*set_tv_freq)(struct i2c_client *c, unsigned int freq);
|
|
void (*set_radio_freq)(struct i2c_client *c, unsigned int freq);
|
|
int (*has_signal)(struct i2c_client *c);
|
|
int (*is_stereo)(struct i2c_client *c);
|
|
int (*get_afc)(struct i2c_client *c);
|
|
void (*tuner_status)(struct i2c_client *c);
|
|
void (*standby)(struct i2c_client *c);
|
|
void (*release)(struct i2c_client *c);
|
|
};
|
|
|
|
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;
|
|
u16 last_div;
|
|
unsigned int audmode;
|
|
v4l2_std_id std;
|
|
|
|
int using_v4l2;
|
|
void *priv;
|
|
|
|
/* 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 default_tuner_init(struct i2c_client *c);
|
|
|
|
extern int tda9887_tuner_init(struct i2c_client *c);
|
|
|
|
extern int microtune_init(struct i2c_client *c);
|
|
|
|
extern int tda8290_init(struct i2c_client *c);
|
|
extern int tda8290_probe(struct i2c_client *c);
|
|
|
|
extern int tea5761_tuner_init(struct i2c_client *c);
|
|
extern int tea5761_autodetection(struct i2c_client *c);
|
|
|
|
extern int tea5767_autodetection(struct i2c_client *c);
|
|
extern int tea5767_tuner_init(struct i2c_client *c);
|
|
|
|
/* ------------------------------------------------------------------------ */
|
|
|
|
#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_HW_H__ */
|
|
|
|
/*
|
|
* Overrides for Emacs so that we follow Linus's tabbing style.
|
|
* ---------------------------------------------------------------------------
|
|
* Local variables:
|
|
* c-basic-offset: 8
|
|
* End:
|
|
*/
|