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 *
18 * To obtain the license, point your browser to
19 * http://www.gnu.org/copyleft/gpl.html
20 *
21 *
22 * the project's page is at https://linuxtv.org
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
55 #if IS_REACHABLE(CONFIG_DVB_ISL6405)
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
isl6405_attach(struct dvb_frontend * fe,struct i2c_adapter * i2c,u8 i2c_addr,u8 override_set,u8 override_clear)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 {
66 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
67 return NULL;
68 }
69 #endif /* CONFIG_DVB_ISL6405 */
70
71 #endif
72