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1/* SPDX-License-Identifier: GPL-2.0-or-later */2/*3 * lnbh25.c4 *5 * Driver for LNB supply and control IC LNBH256 *7 * Copyright (C) 2014 NetUP Inc.8 * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru>9 * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru>10 */11 12#ifndef LNBH25_H13#define LNBH25_H14 15#include <linux/i2c.h>16#include <linux/dvb/frontend.h>17 18/* 22 kHz tone enabled. Tone output controlled by DSQIN pin */19#define LNBH25_TEN 0x0120/* Low power mode activated (used only with 22 kHz tone output disabled) */21#define LNBH25_LPM 0x0222/* DSQIN input pin is set to receive external 22 kHz TTL signal source */23#define LNBH25_EXTM 0x0424 25struct lnbh25_config {26 u8 i2c_address;27 u8 data2_config;28};29 30#if IS_REACHABLE(CONFIG_DVB_LNBH25)31struct dvb_frontend *lnbh25_attach(32 struct dvb_frontend *fe,33 struct lnbh25_config *cfg,34 struct i2c_adapter *i2c);35#else36static inline struct dvb_frontend *lnbh25_attach(37 struct dvb_frontend *fe,38 struct lnbh25_config *cfg,39 struct i2c_adapter *i2c)40{41 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);42 return NULL;43}44#endif45 46#endif47