linux/drivers/media/dvb-frontends/stv0910.h

/* SPDX-License-Identifier: GPL-2.0 */
/*
 * Driver for the ST STV0910 DVB-S/S2 demodulator.
 *
 * Copyright (C) 2014-2015 Ralph Metzler <rjkm@metzlerbros.de>
 *                         Marcus Metzler <mocm@metzlerbros.de>
 *                         developed for Digital Devices GmbH
 *
 * This program is free software; you can redistribute it and/or
 * modify it under the terms of the GNU General Public License
 * version 2 only, as published by the Free Software Foundation.
 *
 * 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.
 */

#ifndef _STV0910_H_
#define _STV0910_H_

#include <linux/types.h>
#include <linux/i2c.h>

struct stv0910_cfg {
	u32 clk;
	u8  adr;
	u8  parallel;
	u8  rptlvl;
	u8  single;
	u8  tsspeed;
};

#if IS_REACHABLE(CONFIG_DVB_STV0910)

struct dvb_frontend *stv0910_attach(struct i2c_adapter *i2c,
				    struct stv0910_cfg *cfg, int nr);

#else

static inline struct dvb_frontend *stv0910_attach(struct i2c_adapter *i2c,
						  struct stv0910_cfg *cfg,
						  int nr)
{
	pr_warn("%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}

#endif /* CONFIG_DVB_STV0910 */

#endif /* _STV0910_H_ */