[mirror_ubuntu-bionic-kernel.git] / drivers / media / dvb-frontends / stv0297.h

/*
    Driver for STV0297 demodulator

    Copyright (C) 2003-2004 Dennis Noermann <dennis.noermann@noernet.de>

    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 STV0297_H
#define STV0297_H

#include <linux/dvb/frontend.h>
#include "dvb_frontend.h"

struct stv0297_config
{
	/* the demodulator's i2c address */
	u8 demod_address;

	/* inittab - array of pairs of values.
	* First of each pair is the register, second is the value.
	* List should be terminated with an 0xff, 0xff pair.
	*/
	u8* inittab;

	/* does the "inversion" need inverted? */
	u8 invert:1;

	/* set to 1 if the device requires an i2c STOP during reading */
	u8 stop_during_read:1;
};

#if IS_REACHABLE(CONFIG_DVB_STV0297)
extern struct dvb_frontend* stv0297_attach(const struct stv0297_config* config,
					   struct i2c_adapter* i2c);
#else
static inline struct dvb_frontend* stv0297_attach(const struct stv0297_config* config,
					   struct i2c_adapter* i2c)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif // CONFIG_DVB_STV0297

#endif // STV0297_H
Commit	Line	Data
1da177e4 LT	1	/*
	2	Driver for STV0297 demodulator
	3
	4	Copyright (C) 2003-2004 Dennis Noermann <dennis.noermann@noernet.de>
	5
	6	This program is free software; you can redistribute it and/or modify
	7	it under the terms of the GNU General Public License as published by
	8	the Free Software Foundation; either version 2 of the License, or
	9	(at your option) any later version.
	10
	11	This program is distributed in the hope that it will be useful,
	12	but WITHOUT ANY WARRANTY; without even the implied warranty of
	13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	14	GNU General Public License for more details.
	15
	16	You should have received a copy of the GNU General Public License
	17	along with this program; if not, write to the Free Software
	18	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
	19	*/
	20
	21	#ifndef STV0297_H
	22	#define STV0297_H
	23
	24	#include <linux/dvb/frontend.h>
	25	#include "dvb_frontend.h"
	26
	27	struct stv0297_config
	28	{
	29	/* the demodulator's i2c address */
	30	u8 demod_address;
	31
dc27a169 AQ	32	/* inittab - array of pairs of values.
	33	* First of each pair is the register, second is the value.
	34	* List should be terminated with an 0xff, 0xff pair.
	35	*/
	36	u8* inittab;
	37
1da177e4 LT	38	/* does the "inversion" need inverted? */
1da177e4 LT	39	u8 invert:1;
b8d4c235 TK	40
	41	/* set to 1 if the device requires an i2c STOP during reading */
	42	u8 stop_during_read:1;
1da177e4 LT	43	};
1da177e4 LT	44
9b174527	45	#if IS_REACHABLE(CONFIG_DVB_STV0297)
1da177e4	46	extern struct dvb_frontend* stv0297_attach(const struct stv0297_config* config,
dc27a169	47	struct i2c_adapter* i2c);
102a342b AQ	48	#else
	49	static inline struct dvb_frontend* stv0297_attach(const struct stv0297_config* config,
	50	struct i2c_adapter* i2c)
	51	{
271ddbf7	52	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
102a342b AQ	53	return NULL;
	54	}
	55	#endif // CONFIG_DVB_STV0297
1da177e4 LT	56
1da177e4 LT	57	#endif // STV0297_H