1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* |
3 | Intersil ISL6423 SEC and LNB Power supply controller |
4 | |
5 | Copyright (C) Manu Abraham <abraham.manu@gmail.com> |
6 | |
7 | */ |
8 | |
9 | #ifndef __ISL_6423_H |
10 | #define __ISL_6423_H |
11 | |
12 | #include <linux/dvb/frontend.h> |
13 | |
14 | enum isl6423_current { |
15 | SEC_CURRENT_275m = 0, |
16 | SEC_CURRENT_515m, |
17 | SEC_CURRENT_635m, |
18 | SEC_CURRENT_800m, |
19 | }; |
20 | |
21 | enum isl6423_curlim { |
22 | SEC_CURRENT_LIM_ON = 1, |
23 | SEC_CURRENT_LIM_OFF |
24 | }; |
25 | |
26 | struct isl6423_config { |
27 | enum isl6423_current current_max; |
28 | enum isl6423_curlim curlim; |
29 | u8 addr; |
30 | u8 mod_extern; |
31 | }; |
32 | |
33 | #if IS_REACHABLE(CONFIG_DVB_ISL6423) |
34 | |
35 | |
36 | extern struct dvb_frontend *isl6423_attach(struct dvb_frontend *fe, |
37 | struct i2c_adapter *i2c, |
38 | const struct isl6423_config *config); |
39 | |
40 | #else |
41 | static inline struct dvb_frontend *isl6423_attach(struct dvb_frontend *fe, |
42 | struct i2c_adapter *i2c, |
43 | const struct isl6423_config *config) |
44 | { |
45 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n" , __func__); |
46 | return NULL; |
47 | } |
48 | |
49 | #endif /* CONFIG_DVB_ISL6423 */ |
50 | |
51 | #endif /* __ISL_6423_H */ |
52 | |