| 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
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| 2 | /* |
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| 3 | * isl6405.h - driver for dual lnb supply and control ic ISL6405 |
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| 4 | * |
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| 5 | * Copyright (C) 2008 Hartmut Hackmann |
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| 6 | * Copyright (C) 2006 Oliver Endriss |
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| 7 | * |
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| 8 | * the project's page is at https://linuxtv.org |
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| 9 | */ |
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| 10 | |
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| 11 | #ifndef _ISL6405_H |
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| 12 | #define _ISL6405_H |
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| 13 | |
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| 14 | #include <linux/dvb/frontend.h> |
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| 15 | |
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| 16 | /* system register bits */ |
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| 17 | |
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| 18 | /* this bit selects register (control) 1 or 2 |
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| 19 | note that the bit maps are different */ |
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| 20 | |
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| 21 | #define ISL6405_SR 0x80 |
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| 22 | |
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| 23 | /* SR = 0 */ |
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| 24 | #define ISL6405_OLF1 0x01 |
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| 25 | #define ISL6405_EN1 0x02 |
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| 26 | #define ISL6405_VSEL1 0x04 |
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| 27 | #define ISL6405_LLC1 0x08 |
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| 28 | #define ISL6405_ENT1 0x10 |
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| 29 | #define ISL6405_ISEL1 0x20 |
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| 30 | #define ISL6405_DCL 0x40 |
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| 31 | |
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| 32 | /* SR = 1 */ |
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| 33 | #define ISL6405_OLF2 0x01 |
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| 34 | #define ISL6405_OTF 0x02 |
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| 35 | #define ISL6405_EN2 0x04 |
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| 36 | #define ISL6405_VSEL2 0x08 |
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| 37 | #define ISL6405_LLC2 0x10 |
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| 38 | #define ISL6405_ENT2 0x20 |
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| 39 | #define ISL6405_ISEL2 0x40 |
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| 40 | |
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| 41 | #if IS_REACHABLE(CONFIG_DVB_ISL6405) |
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| 42 | /* override_set and override_clear control which system register bits (above) |
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| 43 | * to always set & clear |
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| 44 | */ |
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| 45 | extern struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, |
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| 46 | u8 i2c_addr, u8 override_set, u8 override_clear); |
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| 47 | #else |
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| 48 | static inline struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, |
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| 49 | struct i2c_adapter *i2c, u8 i2c_addr, |
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| 50 | u8 override_set, 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 /* CONFIG_DVB_ISL6405 */ |
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| 56 | |
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| 57 | #endif |
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| 58 | |
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