xref: /openbmc/linux/drivers/media/dvb-frontends/cx22702.h (revision 9b174527e7b756cda9f5d9e541f87b7fec9cfdf0)

/*
    Conexant 22702 DVB OFDM demodulator driver

    based on:
	Alps TDMB7 DVB OFDM demodulator driver

    Copyright (C) 2001-2002 Convergence Integrated Media GmbH
	  Holger Waechtler <holger@convergence.de>

    Copyright (C) 2004 Steven Toth <stoth@linuxtv.org>

    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 CX22702_H
#define CX22702_H

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

struct cx22702_config {
	/* the demodulator's i2c address */
	u8 demod_address;

	/* serial/parallel output */
#define CX22702_PARALLEL_OUTPUT 0
#define CX22702_SERIAL_OUTPUT   1
	u8 output_mode;
};

#if IS_REACHABLE(CONFIG_DVB_CX22702)
extern struct dvb_frontend *cx22702_attach(
	const struct cx22702_config *config,
	struct i2c_adapter *i2c);
#else
static inline struct dvb_frontend *cx22702_attach(
	const struct cx22702_config *config,
	struct i2c_adapter *i2c)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif

#endif