forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
38 lines
1.1 KiB
38 lines
1.1 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
|
/* |
|
* isl6421.h - driver for lnb supply and control ic ISL6421 |
|
* |
|
* Copyright (C) 2006 Andrew de Quincey |
|
* Copyright (C) 2006 Oliver Endriss |
|
* |
|
* 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
|
|
|