linux_kernel/drivers/media/dvb-frontends/ts2020.h

/*
    Montage Technology TS2020 - Silicon Tuner driver
    Copyright (C) 2009-2012 Konstantin Dimitrov <kosio.dimitrov@gmail.com>

    Copyright (C) 2009-2012 TurboSight.com

    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 TS2020_H
#define TS2020_H

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

struct ts2020_config {
	u8 tuner_address;
	u8 clk_out_div;
	u32 frequency_div;
};

#if IS_ENABLED(CONFIG_DVB_TS2020)

extern struct dvb_frontend *ts2020_attach(
	struct dvb_frontend *fe,
	const struct ts2020_config *config,
	struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *ts2020_attach(
	struct dvb_frontend *fe,
	const struct ts2020_config *config,
	struct i2c_adapter *i2c)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif

#endif /* TS2020_H */