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/* SPDX-License-Identifier: GPL-2.0-or-later */
/*
DVB Driver for Philips tda827x / tda827xa Silicon tuners
(c) 2005 Hartmut Hackmann
(c) 2007 Michael Krufky
*/
#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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