projects / linux.git / blame
| Commit | Line | Data |
|---|---|---|
| e415c689 MA |
1 | /* |
| 2 | Intersil ISL6423 SEC and LNB Power supply controller | |
| 3 | ||
| 4 | Copyright (C) Manu Abraham <[email protected]> | |
| 5 | ||
| 6 | This program is free software; you can redistribute it and/or modify | |
| 7 | it under the terms of the GNU General Public License as published by | |
| 8 | the Free Software Foundation; either version 2 of the License, or | |
| 9 | (at your option) any later version. | |
| 10 | ||
| 11 | This program is distributed in the hope that it will be useful, | |
| 12 | but WITHOUT ANY WARRANTY; without even the implied warranty of | |
| 13 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
| 14 | GNU General Public License for more details. | |
| 15 | ||
| 16 | You should have received a copy of the GNU General Public License | |
| 17 | along with this program; if not, write to the Free Software | |
| 18 | Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
| 19 | */ | |
| 20 | ||
| 21 | #ifndef __ISL_6423_H | |
| 22 | #define __ISL_6423_H | |
| 23 | ||
| 24 | #include <linux/dvb/frontend.h> | |
| 25 | ||
| 26 | enum isl6423_current { | |
| 27 | SEC_CURRENT_275m = 0, | |
| 28 | SEC_CURRENT_515m, | |
| 29 | SEC_CURRENT_635m, | |
| 30 | SEC_CURRENT_800m, | |
| 31 | }; | |
| 32 | ||
| 33 | enum isl6423_curlim { | |
| 34 | SEC_CURRENT_LIM_ON = 1, | |
| 35 | SEC_CURRENT_LIM_OFF | |
| 36 | }; | |
| 37 | ||
| 38 | struct isl6423_config { | |
| 39 | enum isl6423_current current_max; | |
| 40 | enum isl6423_curlim curlim; | |
| 41 | u8 addr; | |
| 42 | u8 mod_extern; | |
| 43 | }; | |
| 44 | ||
| 9b174527 | 45 | #if IS_REACHABLE(CONFIG_DVB_ISL6423) |
| e415c689 MA |
46 | |
| 47 | ||
| 48 | extern struct dvb_frontend *isl6423_attach(struct dvb_frontend *fe, | |
| 49 | struct i2c_adapter *i2c, | |
| 50 | const struct isl6423_config *config); | |
| 51 | ||
| 52 | #else | |
| 53 | static inline struct dvb_frontend *isl6423_attach(struct dvb_frontend *fe, | |
| 54 | struct i2c_adapter *i2c, | |
| 55 | const struct isl6423_config *config) | |
| 56 | { | |
| 57 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | |
| 58 | return NULL; | |
| 59 | } | |
| 60 | ||
| 61 | #endif /* CONFIG_DVB_ISL6423 */ | |
| 62 | ||
| 63 | #endif /* __ISL_6423_H */ |