1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * lnbh25.c
4 *
5 * Driver for LNB supply and control IC LNBH25
6 *
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_H
13#define LNBH25_H
14
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	0x01
20/* Low power mode activated (used only with 22 kHz tone output disabled) */
21#define LNBH25_LPM	0x02
22/* DSQIN input pin is set to receive external 22 kHz TTL signal source */
23#define LNBH25_EXTM	0x04
24
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#else
36static 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#endif
45
46#endif
47