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/*
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 <media/dvb_frontend.h>
#include "tda8290.h"
struct tda827x_config
{
/* saa7134 - provided callbacks */
int (*init) (struct dvb_frontend *fe);
int (*sleep) (struct dvb_frontend *fe);
/* interface to tda829x driver */
enum tda8290_lna config;
int switch_addr;
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 IS_REACHABLE(CONFIG_MEDIA_TUNER_TDA827X)
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__
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