| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | * lnbh25.c |
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| 4 | * |
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| 5 | * Driver for LNB supply and control IC LNBH25 |
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| 6 | * |
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| 7 | * Copyright (C) 2014 NetUP Inc. |
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| 8 | * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru> |
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| 9 | * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru> |
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| 10 | */ |
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| 11 | |
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| 12 | #ifndef LNBH25_H |
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| 13 | #define LNBH25_H |
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| 14 | |
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| 15 | #include <linux/i2c.h> |
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| 16 | #include <linux/dvb/frontend.h> |
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| 17 | |
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| 18 | /* 22 kHz tone enabled. Tone output controlled by DSQIN pin */ |
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| 19 | #define LNBH25_TEN 0x01 |
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| 20 | /* Low power mode activated (used only with 22 kHz tone output disabled) */ |
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| 21 | #define LNBH25_LPM 0x02 |
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| 22 | /* DSQIN input pin is set to receive external 22 kHz TTL signal source */ |
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| 23 | #define LNBH25_EXTM 0x04 |
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| 24 | |
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| 25 | struct lnbh25_config { |
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| 26 | u8 i2c_address; |
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| 27 | u8 data2_config; |
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| 28 | }; |
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| 29 | |
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| 30 | #if IS_REACHABLE(CONFIG_DVB_LNBH25) |
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| 31 | struct dvb_frontend *lnbh25_attach( |
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| 32 | struct dvb_frontend *fe, |
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| 33 | struct lnbh25_config *cfg, |
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| 34 | struct i2c_adapter *i2c); |
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| 35 | #else |
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| 36 | static inline struct dvb_frontend *lnbh25_attach( |
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| 37 | struct dvb_frontend *fe, |
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| 38 | struct lnbh25_config *cfg, |
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| 39 | struct i2c_adapter *i2c) |
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| 40 | { |
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| 41 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n" , __func__); |
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| 42 | return NULL; |
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| 43 | } |
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| 44 | #endif |
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| 45 | |
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| 46 | #endif |
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| 47 | |
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