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c942fddf | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
e025273b KS |
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> | |
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10 | */ |
11 | ||
12 | #ifndef LNBH25_H | |
13 | #define LNBH25_H | |
14 | ||
15 | #include <linux/i2c.h> | |
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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 | ||
25 | struct lnbh25_config { | |
26 | u8 i2c_address; | |
27 | u8 data2_config; | |
28 | }; | |
29 | ||
30 | #if IS_REACHABLE(CONFIG_DVB_LNBH25) | |
31 | struct dvb_frontend *lnbh25_attach( | |
32 | struct dvb_frontend *fe, | |
33 | struct lnbh25_config *cfg, | |
34 | struct i2c_adapter *i2c); | |
35 | #else | |
a9c4e5cf | 36 | static inline struct dvb_frontend *lnbh25_attach( |
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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 |