1/* SPDX-License-Identifier: GPL-2.0-or-later */
 2/*
 3 * lnbh24.h - driver for lnb supply and control ic lnbh24
 4 *
 5 * Copyright (C) 2009 NetUP Inc.
 6 * Copyright (C) 2009 Igor M. Liplianin <liplianin@netup.ru>
 7 */
 8
 9#ifndef _LNBH24_H
10#define _LNBH24_H
11
12/* system register bits */
13#define LNBH24_OLF	0x01
14#define LNBH24_OTF	0x02
15#define LNBH24_EN	0x04
16#define LNBH24_VSEL	0x08
17#define LNBH24_LLC	0x10
18#define LNBH24_TEN	0x20
19#define LNBH24_TTX	0x40
20#define LNBH24_PCL	0x80
21
22#include <linux/dvb/frontend.h>
23
24#if IS_REACHABLE(CONFIG_DVB_LNBP21)
25/* override_set and override_clear control which
26   system register bits (above) to always set & clear */
27extern struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
28				struct i2c_adapter *i2c, u8 override_set,
29				u8 override_clear, u8 i2c_addr);
30#else
31static inline struct dvb_frontend *lnbh24_attach(struct dvb_frontend *fe,
32				struct i2c_adapter *i2c, u8 override_set,
33				u8 override_clear, u8 i2c_addr)
34{
35	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
36	return NULL;
37}
38#endif
39
40#endif