mirror of https://gitee.com/openkylin/linux.git
107 lines
3.3 KiB
C
107 lines
3.3 KiB
C
/*
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tuner-driver.h - interface for different tuners
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Copyright (C) 1997 Markus Schroeder (schroedm@uni-duesseldorf.de)
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minor modifications by Ralph Metzler (rjkm@thp.uni-koeln.de)
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This program is free software; you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation; either version 2 of the License, or
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(at your option) any later version.
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This program is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with this program; if not, write to the Free Software
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Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
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*/
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#ifndef __TUNER_DRIVER_H__
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#define __TUNER_DRIVER_H__
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#include <linux/videodev2.h>
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#include <linux/i2c.h>
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extern unsigned const int tuner_count;
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struct tuner_operations {
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void (*set_tv_freq)(struct i2c_client *c, unsigned int freq);
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void (*set_radio_freq)(struct i2c_client *c, unsigned int freq);
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int (*has_signal)(struct i2c_client *c);
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int (*is_stereo)(struct i2c_client *c);
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int (*get_afc)(struct i2c_client *c);
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void (*tuner_status)(struct i2c_client *c);
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void (*standby)(struct i2c_client *c);
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void (*release)(struct i2c_client *c);
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};
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struct tuner {
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/* device */
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struct i2c_client i2c;
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unsigned int type; /* chip type */
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unsigned int mode;
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unsigned int mode_mask; /* Combination of allowable modes */
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unsigned int tv_freq; /* keep track of the current settings */
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unsigned int radio_freq;
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unsigned int audmode;
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v4l2_std_id std;
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int using_v4l2;
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void *priv;
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/* used by tda9887 */
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unsigned int tda9887_config;
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unsigned int config;
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int (*tuner_callback) (void *dev, int command,int arg);
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struct tuner_operations ops;
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};
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/* ------------------------------------------------------------------------ */
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extern int default_tuner_init(struct i2c_client *c);
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extern int tda9887_tuner_init(struct i2c_client *c);
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extern int microtune_init(struct i2c_client *c);
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extern int tda8290_init(struct i2c_client *c);
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extern int tda8290_probe(struct i2c_client *c);
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extern int tea5761_tuner_init(struct i2c_client *c);
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extern int tea5761_autodetection(struct i2c_client *c);
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extern int tea5767_autodetection(struct i2c_client *c);
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extern int tea5767_tuner_init(struct i2c_client *c);
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/* ------------------------------------------------------------------------ */
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#define tuner_warn(fmt, arg...) do {\
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printk(KERN_WARNING "%s %d-%04x: " fmt, t->i2c.driver->driver.name, \
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i2c_adapter_id(t->i2c.adapter), t->i2c.addr , ##arg); } while (0)
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#define tuner_info(fmt, arg...) do {\
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printk(KERN_INFO "%s %d-%04x: " fmt, t->i2c.driver->driver.name, \
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i2c_adapter_id(t->i2c.adapter), t->i2c.addr , ##arg); } while (0)
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#define tuner_dbg(fmt, arg...) do {\
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extern int tuner_debug; \
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if (tuner_debug) \
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printk(KERN_DEBUG "%s %d-%04x: " fmt, t->i2c.driver->driver.name, \
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i2c_adapter_id(t->i2c.adapter), t->i2c.addr , ##arg); } while (0)
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#endif /* __TUNER_DRIVER_H__ */
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/*
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* Overrides for Emacs so that we follow Linus's tabbing style.
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* ---------------------------------------------------------------------------
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* Local variables:
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* c-basic-offset: 8
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* End:
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*/
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