[mirror_ubuntu-artful-kernel.git] / drivers / media / dvb-frontends / isl6421.h

/*
 * isl6421.h - driver for lnb supply and control ic ISL6421
 *
 * Copyright (C) 2006 Andrew de Quincey
 * Copyright (C) 2006 Oliver Endriss
 *
 * 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.
 *
 * To obtain the license, point your browser to
 * http://www.gnu.org/copyleft/gpl.html
 *
 *
 * the project's page is at https://linuxtv.org
 */

#ifndef _ISL6421_H
#define _ISL6421_H

#include <linux/dvb/frontend.h>

/* system register bits */
#define ISL6421_OLF1	0x01
#define ISL6421_EN1	0x02
#define ISL6421_VSEL1	0x04
#define ISL6421_LLC1	0x08
#define ISL6421_ENT1	0x10
#define ISL6421_ISEL1	0x20
#define ISL6421_DCL	0x40

#if IS_REACHABLE(CONFIG_DVB_ISL6421)
/* override_set and override_clear control which system register bits (above) to always set & clear */
extern struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr,
			  u8 override_set, u8 override_clear, bool override_tone);
#else
static inline struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr,
						  u8 override_set, u8 override_clear, bool override_tone)
{
	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	return NULL;
}
#endif // CONFIG_DVB_ISL6421

#endif
Commit	Line	Data
	1	/*
	2	* isl6421.h - driver for lnb supply and control ic ISL6421
	3	*
	4	* Copyright (C) 2006 Andrew de Quincey
	5	* Copyright (C) 2006 Oliver Endriss
	6	*
	7	* This program is free software; you can redistribute it and/or
	8	* modify it under the terms of the GNU General Public License
	9	* as published by the Free Software Foundation; either version 2
	10	* of the License, or (at your option) any later version.
	11	*
	12	*
	13	* This program is distributed in the hope that it will be useful,
	14	* but WITHOUT ANY WARRANTY; without even the implied warranty of
	15	* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
	16	* GNU General Public License for more details.
	17	*
	18	* To obtain the license, point your browser to
	19	* http://www.gnu.org/copyleft/gpl.html
	20	*
	21	*
	22	* the project's page is at https://linuxtv.org
	23	*/
	24
	25	#ifndef _ISL6421_H
	26	#define _ISL6421_H
	27
	28	#include <linux/dvb/frontend.h>
	29
	30	/* system register bits */
	31	#define ISL6421_OLF1 0x01
	32	#define ISL6421_EN1 0x02
	33	#define ISL6421_VSEL1 0x04
	34	#define ISL6421_LLC1 0x08
	35	#define ISL6421_ENT1 0x10
	36	#define ISL6421_ISEL1 0x20
	37	#define ISL6421_DCL 0x40
	38
	39	#if IS_REACHABLE(CONFIG_DVB_ISL6421)
	40	/* override_set and override_clear control which system register bits (above) to always set & clear */
	41	extern struct dvb_frontend isl6421_attach(struct dvb_frontend fe, struct i2c_adapter *i2c, u8 i2c_addr,
	42	u8 override_set, u8 override_clear, bool override_tone);
	43	#else
	44	static inline struct dvb_frontend isl6421_attach(struct dvb_frontend fe, struct i2c_adapter *i2c, u8 i2c_addr,
	45	u8 override_set, u8 override_clear, bool override_tone)
	46	{
	47	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
	48	return NULL;
	49	}
	50	#endif // CONFIG_DVB_ISL6421
	51
	52	#endif