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/* 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
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