2 tuner-driver.h - interface for different tuners
4 Copyright (C) 1997 Markus Schroeder (schroedm@uni-duesseldorf.de)
5 minor modifications by Ralph Metzler (rjkm@thp.uni-koeln.de)
7 This program is free software; you can redistribute it and/or modify
8 it under the terms of the GNU General Public License as published by
9 the Free Software Foundation; either version 2 of the License, or
10 (at your option) any later version.
12 This program is distributed in the hope that it will be useful,
13 but WITHOUT ANY WARRANTY; without even the implied warranty of
14 MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
15 GNU General Public License for more details.
17 You should have received a copy of the GNU General Public License
18 along with this program; if not, write to the Free Software
19 Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
22 #ifndef __TUNER_DRIVER_H__
23 #define __TUNER_DRIVER_H__
25 #include <linux/videodev2.h>
26 #include <linux/i2c.h>
27 #include "tuner-i2c.h"
29 extern unsigned const int tuner_count;
33 struct tuner_operations {
34 void (*set_tv_freq)(struct tuner *t, unsigned int freq);
35 void (*set_radio_freq)(struct tuner *t, unsigned int freq);
36 int (*has_signal)(struct tuner *t);
37 int (*is_stereo)(struct tuner *t);
38 int (*get_afc)(struct tuner *t);
39 void (*tuner_status)(struct tuner *t);
40 void (*standby)(struct tuner *t);
41 void (*release)(struct tuner *t);
46 struct i2c_client i2c;
48 unsigned int type; /* chip type */
51 unsigned int mode_mask; /* Combination of allowable modes */
53 unsigned int tv_freq; /* keep track of the current settings */
54 unsigned int radio_freq;
62 unsigned int tda9887_config;
65 int (*tuner_callback) (void *dev, int command,int arg);
67 struct tuner_operations ops;
70 /* ------------------------------------------------------------------------ */
72 extern int default_tuner_init(struct tuner *t);
74 extern int tda9887_tuner_init(struct tuner *t);
76 extern int microtune_init(struct tuner *t);
78 extern int tda8290_init(struct tuner *t);
79 extern int tda8290_probe(struct tuner *t);
81 extern int tea5761_tuner_init(struct tuner *t);
82 extern int tea5761_autodetection(struct tuner *t);
84 extern int tea5767_autodetection(struct tuner *t);
85 extern int tea5767_tuner_init(struct tuner *t);
87 /* ------------------------------------------------------------------------ */
89 #define tuner_warn(fmt, arg...) do {\
90 printk(KERN_WARNING "%s %d-%04x: " fmt, t->i2c.driver->driver.name, \
91 i2c_adapter_id(t->i2c.adapter), t->i2c.addr , ##arg); } while (0)
92 #define tuner_info(fmt, arg...) do {\
93 printk(KERN_INFO "%s %d-%04x: " fmt, t->i2c.driver->driver.name, \
94 i2c_adapter_id(t->i2c.adapter), t->i2c.addr , ##arg); } while (0)
95 #define tuner_dbg(fmt, arg...) do {\
96 extern int tuner_debug; \
98 printk(KERN_DEBUG "%s %d-%04x: " fmt, t->i2c.driver->driver.name, \
99 i2c_adapter_id(t->i2c.adapter), t->i2c.addr , ##arg); } while (0)
101 #endif /* __TUNER_DRIVER_H__ */
104 * Overrides for Emacs so that we follow Linus's tabbing style.
105 * ---------------------------------------------------------------------------