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