| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | * lnbp21.h - driver for lnb supply and control ic lnbp21 |
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| 4 | * |
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| 5 | * Copyright (C) 2006 Oliver Endriss |
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| 6 | * |
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| 7 | * the project's page is at https://linuxtv.org |
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| 8 | */ |
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| 9 | |
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| 10 | #ifndef _LNBP21_H |
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| 11 | #define _LNBP21_H |
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| 12 | |
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| 13 | /* system register bits */ |
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| 14 | /* [RO] 0=OK; 1=over current limit flag */ |
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| 15 | #define LNBP21_OLF 0x01 |
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| 16 | /* [RO] 0=OK; 1=over temperature flag (150 C) */ |
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| 17 | #define LNBP21_OTF 0x02 |
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| 18 | /* [RW] 0=disable LNB power, enable loopthrough |
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| 19 | 1=enable LNB power, disable loopthrough */ |
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| 20 | #define LNBP21_EN 0x04 |
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| 21 | /* [RW] 0=low voltage (13/14V, vert pol) |
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| 22 | 1=high voltage (18/19V,horiz pol) */ |
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| 23 | #define LNBP21_VSEL 0x08 |
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| 24 | /* [RW] increase LNB voltage by 1V: |
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| 25 | 0=13/18V; 1=14/19V */ |
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| 26 | #define LNBP21_LLC 0x10 |
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| 27 | /* [RW] 0=tone controlled by DSQIN pin |
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| 28 | 1=tone enable, disable DSQIN */ |
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| 29 | #define LNBP21_TEN 0x20 |
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| 30 | /* [RW] current limit select: |
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| 31 | 0:Iout=500-650mA Isc=300mA |
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| 32 | 1:Iout=400-550mA Isc=200mA */ |
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| 33 | #define LNBP21_ISEL 0x40 |
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| 34 | /* [RW] short-circuit protect: |
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| 35 | 0=pulsed (dynamic) curr limiting |
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| 36 | 1=static curr limiting */ |
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| 37 | #define LNBP21_PCL 0x80 |
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| 38 | |
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| 39 | #include <linux/dvb/frontend.h> |
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| 40 | |
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| 41 | #if IS_REACHABLE(CONFIG_DVB_LNBP21) |
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| 42 | /* override_set and override_clear control which |
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| 43 | system register bits (above) to always set & clear */ |
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| 44 | extern struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, |
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| 45 | struct i2c_adapter *i2c, u8 override_set, |
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| 46 | u8 override_clear); |
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| 47 | #else |
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| 48 | static inline struct dvb_frontend *lnbp21_attach(struct dvb_frontend *fe, |
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| 49 | struct i2c_adapter *i2c, u8 override_set, |
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| 50 | u8 override_clear) |
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| 51 | { |
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| 52 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n" , __func__); |
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| 53 | return NULL; |
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| 54 | } |
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| 55 | #endif |
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| 56 | |
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| 57 | #endif |
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| 58 | |
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