53 lines
1.7 KiB
C
53 lines
1.7 KiB
C
|
/*
|
||
|
|
* 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
|