projects / linux-2.6-block.git / blame
| Commit | Line | Data |
|---|---|---|
| a0c7056f | 1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
| 21c28582 AQ |
2 | /* |
| 3 | * isl6421.h - driver for lnb supply and control ic ISL6421 | |
| 4 | * | |
| 5 | * Copyright (C) 2006 Andrew de Quincey | |
| 6 | * Copyright (C) 2006 Oliver Endriss | |
| 7 | * | |
| 991ce92f | 8 | * the project's page is at https://linuxtv.org |
| 21c28582 AQ |
9 | */ |
| 10 | ||
| 11 | #ifndef _ISL6421_H | |
| 12 | #define _ISL6421_H | |
| 13 | ||
| 14 | #include <linux/dvb/frontend.h> | |
| 15 | ||
| 16 | /* system register bits */ | |
| 17 | #define ISL6421_OLF1 0x01 | |
| 18 | #define ISL6421_EN1 0x02 | |
| 19 | #define ISL6421_VSEL1 0x04 | |
| 20 | #define ISL6421_LLC1 0x08 | |
| 21 | #define ISL6421_ENT1 0x10 | |
| 22 | #define ISL6421_ISEL1 0x20 | |
| 23 | #define ISL6421_DCL 0x40 | |
| 24 | ||
| 9b174527 | 25 | #if IS_REACHABLE(CONFIG_DVB_ISL6421) |
| 21c28582 | 26 | /* override_set and override_clear control which system register bits (above) to always set & clear */ |
| 13fef933 | 27 | extern struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr, |
| 48a8a03b | 28 | u8 override_set, u8 override_clear, bool override_tone); |
| 102a342b AQ |
29 | #else |
| 30 | static inline struct dvb_frontend *isl6421_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, u8 i2c_addr, | |
| 48a8a03b | 31 | u8 override_set, u8 override_clear, bool override_tone) |
| 102a342b | 32 | { |
| 271ddbf7 | 33 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 102a342b AQ |
34 | return NULL; |
| 35 | } | |
| 36 | #endif // CONFIG_DVB_ISL6421 | |
| 21c28582 AQ |
37 | |
| 38 | #endif |