Commit | Line | Data |
---|---|---|
4b1431ca HH |
1 | /* |
2 | * isl6405.h - driver for dual lnb supply and control ic ISL6405 | |
3 | * | |
4 | * Copyright (C) 2008 Hartmut Hackmann | |
5 | * Copyright (C) 2006 Oliver Endriss | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or | |
8 | * modify it under the terms of the GNU General Public License | |
9 | * as published by the Free Software Foundation; either version 2 | |
10 | * of the License, or (at your option) any later version. | |
11 | * | |
12 | * | |
13 | * This program is distributed in the hope that it will be useful, | |
14 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
15 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
16 | * GNU General Public License for more details. | |
17 | * | |
bcb63314 SA |
18 | * To obtain the license, point your browser to |
19 | * http://www.gnu.org/copyleft/gpl.html | |
4b1431ca HH |
20 | * |
21 | * | |
991ce92f | 22 | * the project's page is at https://linuxtv.org |
4b1431ca HH |
23 | */ |
24 | ||
25 | #ifndef _ISL6405_H | |
26 | #define _ISL6405_H | |
27 | ||
28 | #include <linux/dvb/frontend.h> | |
29 | ||
30 | /* system register bits */ | |
31 | ||
32 | /* this bit selects register (control) 1 or 2 | |
33 | note that the bit maps are different */ | |
34 | ||
35 | #define ISL6405_SR 0x80 | |
36 | ||
37 | /* SR = 0 */ | |
38 | #define ISL6405_OLF1 0x01 | |
39 | #define ISL6405_EN1 0x02 | |
40 | #define ISL6405_VSEL1 0x04 | |
41 | #define ISL6405_LLC1 0x08 | |
42 | #define ISL6405_ENT1 0x10 | |
43 | #define ISL6405_ISEL1 0x20 | |
44 | #define ISL6405_DCL 0x40 | |
45 | ||
46 | /* SR = 1 */ | |
47 | #define ISL6405_OLF2 0x01 | |
48 | #define ISL6405_OTF 0x02 | |
49 | #define ISL6405_EN2 0x04 | |
50 | #define ISL6405_VSEL2 0x08 | |
51 | #define ISL6405_LLC2 0x10 | |
52 | #define ISL6405_ENT2 0x20 | |
53 | #define ISL6405_ISEL2 0x40 | |
54 | ||
9b174527 | 55 | #if IS_REACHABLE(CONFIG_DVB_ISL6405) |
4b1431ca HH |
56 | /* override_set and override_clear control which system register bits (above) |
57 | * to always set & clear | |
58 | */ | |
59 | extern struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c, | |
60 | u8 i2c_addr, u8 override_set, u8 override_clear); | |
61 | #else | |
62 | static inline struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, | |
63 | struct i2c_adapter *i2c, u8 i2c_addr, | |
64 | u8 override_set, u8 override_clear) | |
65 | { | |
271ddbf7 | 66 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); |
4b1431ca HH |
67 | return NULL; |
68 | } | |
69 | #endif /* CONFIG_DVB_ISL6405 */ | |
70 | ||
71 | #endif |