linux/drivers/media/dvb-frontends/tda1004x.h

/* SPDX-License-Identifier: GPL-2.0-or-later */
  /*
     Driver for Philips tda1004xh OFDM Frontend

     (c) 2004 Andrew de Quincey


   */

#ifndef TDA1004X_H
#define TDA1004X_H

#include <linux/dvb/frontend.h>
#include <linux/firmware.h>

enum tda10046_xtal { … };

enum tda10046_agc { … };

/* Many (hybrid) boards use GPIO 1 and 3
	GPIO1	analog - dvb switch
	GPIO3	firmware eeprom address switch
*/
enum tda10046_gpio { … };

enum tda10046_if { … };

enum tda10046_tsout { … };

struct tda1004x_config
{ … };

enum tda1004x_demod { … };

struct tda1004x_state { … };

#if IS_REACHABLE(CONFIG_DVB_TDA1004X)
extern struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
					    struct i2c_adapter* i2c);

extern struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
					    struct i2c_adapter* i2c);
#else
static inline struct dvb_frontend* tda10045_attach(const struct tda1004x_config* config,
					    struct i2c_adapter* i2c)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
static inline struct dvb_frontend* tda10046_attach(const struct tda1004x_config* config,
					    struct i2c_adapter* i2c)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif // CONFIG_DVB_TDA1004X

static inline int tda1004x_writereg(struct dvb_frontend *fe, u8 reg, u8 val) { … }

#endif // TDA1004X_H