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46 lines
1.1 KiB
46 lines
1.1 KiB
/* SPDX-License-Identifier: GPL-2.0-or-later */ |
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/* |
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* lnbh25.c |
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* |
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* Driver for LNB supply and control IC LNBH25 |
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* |
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* Copyright (C) 2014 NetUP Inc. |
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* Copyright (C) 2014 Sergey Kozlov <[email protected]> |
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* Copyright (C) 2014 Abylay Ospan <[email protected]> |
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*/ |
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#ifndef LNBH25_H |
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#define LNBH25_H |
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#include <linux/i2c.h> |
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#include <linux/dvb/frontend.h> |
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/* 22 kHz tone enabled. Tone output controlled by DSQIN pin */ |
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#define LNBH25_TEN 0x01 |
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/* Low power mode activated (used only with 22 kHz tone output disabled) */ |
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#define LNBH25_LPM 0x02 |
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/* DSQIN input pin is set to receive external 22 kHz TTL signal source */ |
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#define LNBH25_EXTM 0x04 |
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struct lnbh25_config { |
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u8 i2c_address; |
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u8 data2_config; |
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}; |
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#if IS_REACHABLE(CONFIG_DVB_LNBH25) |
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struct dvb_frontend *lnbh25_attach( |
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struct dvb_frontend *fe, |
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struct lnbh25_config *cfg, |
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struct i2c_adapter *i2c); |
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#else |
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static inline struct dvb_frontend *lnbh25_attach( |
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struct dvb_frontend *fe, |
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struct lnbh25_config *cfg, |
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struct i2c_adapter *i2c) |
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{ |
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printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
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return NULL; |
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} |
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#endif |
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#endif
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