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 */
27 extern 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
31 static 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
41