47 lines
1.1 KiB
C
47 lines
1.1 KiB
C
|
/* SPDX-License-Identifier: GPL-2.0-or-later */
|
||
|
|
/*
|
||
|
|
* lnbh25.c
|
||
|
|
*
|
||
|
|
* Driver for LNB supply and control IC LNBH25
|
||
|
|
*
|
||
|
|
* Copyright (C) 2014 NetUP Inc.
|
||
|
|
* Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru>
|
||
|
|
* Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>
|
||
|
|
*/
|
||
|
|
|
||
|
|
#ifndef LNBH25_H
|
||
|
|
#define LNBH25_H
|
||
|
|
|
||
|
|
#include <linux/i2c.h>
|
||
|
|
#include <linux/dvb/frontend.h>
|
||
|
|
|
||
|
|
/* 22 kHz tone enabled. Tone output controlled by DSQIN pin */
|
||
|
|
#define LNBH25_TEN 0x01
|
||
|
|
/* Low power mode activated (used only with 22 kHz tone output disabled) */
|
||
|
|
#define LNBH25_LPM 0x02
|
||
|
|
/* DSQIN input pin is set to receive external 22 kHz TTL signal source */
|
||
|
|
#define LNBH25_EXTM 0x04
|
||
|
|
|
||
|
|
struct lnbh25_config {
|
||
|
|
u8 i2c_address;
|
||
|
|
u8 data2_config;
|
||
|
|
};
|
||
|
|
|
||
|
|
#if IS_REACHABLE(CONFIG_DVB_LNBH25)
|
||
|
|
struct dvb_frontend *lnbh25_attach(
|
||
|
|
struct dvb_frontend *fe,
|
||
|
|
struct lnbh25_config *cfg,
|
||
|
|
struct i2c_adapter *i2c);
|
||
|
|
#else
|
||
|
|
static inline struct dvb_frontend *lnbh25_attach(
|
||
|
|
struct dvb_frontend *fe,
|
||
|
|
struct lnbh25_config *cfg,
|
||
|
|
struct i2c_adapter *i2c)
|
||
|
|
{
|
||
|
|
printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
|
||
|
|
return NULL;
|
||
|
|
}
|
||
|
|
#endif
|
||
|
|
|
||
|
|
#endif
|