diff options
Diffstat (limited to 'drivers/media/video/tuner-driver.h')
| -rw-r--r-- | drivers/media/video/tuner-driver.h | 99 |
1 files changed, 99 insertions, 0 deletions
diff --git a/drivers/media/video/tuner-driver.h b/drivers/media/video/tuner-driver.h new file mode 100644 index 0000000..28a10da --- /dev/null +++ b/drivers/media/video/tuner-driver.h @@ -0,0 +1,99 @@ +/* + 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: + */ |
