| rjw | 1f88458 | 2022-01-06 17:20:42 +0800 | [diff] [blame^] | 1 | /* |
| 2 | * lnbh25.c |
| 3 | * |
| 4 | * Driver for LNB supply and control IC LNBH25 |
| 5 | * |
| 6 | * Copyright (C) 2014 NetUP Inc. |
| 7 | * Copyright (C) 2014 Sergey Kozlov <serjk@netup.ru> |
| 8 | * Copyright (C) 2014 Abylay Ospan <aospan@netup.ru> |
| 9 | * |
| 10 | * This program is free software; you can redistribute it and/or modify |
| 11 | * it under the terms of the GNU General Public License as published by |
| 12 | * the Free Software Foundation; either version 2 of the License, or |
| 13 | * (at your option) any later version. |
| 14 | * |
| 15 | * This program is distributed in the hope that it will be useful, |
| 16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the |
| 18 | * GNU General Public License for more details. |
| 19 | */ |
| 20 | |
| 21 | #ifndef LNBH25_H |
| 22 | #define LNBH25_H |
| 23 | |
| 24 | #include <linux/i2c.h> |
| 25 | #include <linux/dvb/frontend.h> |
| 26 | |
| 27 | /* 22 kHz tone enabled. Tone output controlled by DSQIN pin */ |
| 28 | #define LNBH25_TEN 0x01 |
| 29 | /* Low power mode activated (used only with 22 kHz tone output disabled) */ |
| 30 | #define LNBH25_LPM 0x02 |
| 31 | /* DSQIN input pin is set to receive external 22 kHz TTL signal source */ |
| 32 | #define LNBH25_EXTM 0x04 |
| 33 | |
| 34 | struct lnbh25_config { |
| 35 | u8 i2c_address; |
| 36 | u8 data2_config; |
| 37 | }; |
| 38 | |
| 39 | #if IS_REACHABLE(CONFIG_DVB_LNBH25) |
| 40 | struct dvb_frontend *lnbh25_attach( |
| 41 | struct dvb_frontend *fe, |
| 42 | struct lnbh25_config *cfg, |
| 43 | struct i2c_adapter *i2c); |
| 44 | #else |
| 45 | static inline struct dvb_frontend *lnbh25_attach( |
| 46 | struct dvb_frontend *fe, |
| 47 | struct lnbh25_config *cfg, |
| 48 | struct i2c_adapter *i2c) |
| 49 | { |
| 50 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
| 51 | return NULL; |
| 52 | } |
| 53 | #endif |
| 54 | |
| 55 | #endif |