mirror of https://gitee.com/openkylin/linux.git
70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/*
|
|
DVB Driver for Philips tda827x / tda827xa Silicon tuners
|
|
|
|
(c) 2005 Hartmut Hackmann
|
|
(c) 2007 Michael Krufky
|
|
|
|
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 __DVB_TDA827X_H__
|
|
#define __DVB_TDA827X_H__
|
|
|
|
#include <linux/i2c.h>
|
|
#include "dvb_frontend.h"
|
|
|
|
struct tda827x_config
|
|
{
|
|
/* saa7134 - provided callbacks */
|
|
int (*init) (struct dvb_frontend *fe);
|
|
int (*sleep) (struct dvb_frontend *fe);
|
|
|
|
/* interface to tda829x driver */
|
|
unsigned int config;
|
|
int switch_addr;
|
|
int (*tuner_callback) (void *dev, int command, int arg);
|
|
|
|
void (*agcf)(struct dvb_frontend *fe);
|
|
};
|
|
|
|
|
|
/**
|
|
* Attach a tda827x tuner to the supplied frontend structure.
|
|
*
|
|
* @param fe Frontend to attach to.
|
|
* @param addr i2c address of the tuner.
|
|
* @param i2c i2c adapter to use.
|
|
* @param cfg optional callback function pointers.
|
|
* @return FE pointer on success, NULL on failure.
|
|
*/
|
|
#if defined(CONFIG_MEDIA_TUNER_TDA827X) || (defined(CONFIG_MEDIA_TUNER_TDA827X_MODULE) && defined(MODULE))
|
|
extern struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe, int addr,
|
|
struct i2c_adapter *i2c,
|
|
struct tda827x_config *cfg);
|
|
#else
|
|
static inline struct dvb_frontend* tda827x_attach(struct dvb_frontend *fe,
|
|
int addr,
|
|
struct i2c_adapter *i2c,
|
|
struct tda827x_config *cfg)
|
|
{
|
|
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
|
return NULL;
|
|
}
|
|
#endif // CONFIG_MEDIA_TUNER_TDA827X
|
|
|
|
#endif // __DVB_TDA827X_H__
|