1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3 * isl6405.h - driver for dual lnb supply and control ic ISL6405
4 *
5 * Copyright (C) 2008 Hartmut Hackmann
6 * Copyright (C) 2006 Oliver Endriss
7 *
8 * the project's page is at https://linuxtv.org
9 */
10
11 #ifndef _ISL6405_H
12 #define _ISL6405_H
13
14 #include <linux/dvb/frontend.h>
15
16 /* system register bits */
17
18 /* this bit selects register (control) 1 or 2
19 note that the bit maps are different */
20
21 #define ISL6405_SR 0x80
22
23 /* SR = 0 */
24 #define ISL6405_OLF1 0x01
25 #define ISL6405_EN1 0x02
26 #define ISL6405_VSEL1 0x04
27 #define ISL6405_LLC1 0x08
28 #define ISL6405_ENT1 0x10
29 #define ISL6405_ISEL1 0x20
30 #define ISL6405_DCL 0x40
31
32 /* SR = 1 */
33 #define ISL6405_OLF2 0x01
34 #define ISL6405_OTF 0x02
35 #define ISL6405_EN2 0x04
36 #define ISL6405_VSEL2 0x08
37 #define ISL6405_LLC2 0x10
38 #define ISL6405_ENT2 0x20
39 #define ISL6405_ISEL2 0x40
40
41 #if IS_REACHABLE(CONFIG_DVB_ISL6405)
42 /* override_set and override_clear control which system register bits (above)
43 * to always set & clear
44 */
45 extern struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe, struct i2c_adapter *i2c,
46 u8 i2c_addr, u8 override_set, u8 override_clear);
47 #else
isl6405_attach(struct dvb_frontend * fe,struct i2c_adapter * i2c,u8 i2c_addr,u8 override_set,u8 override_clear)48 static inline struct dvb_frontend *isl6405_attach(struct dvb_frontend *fe,
49 struct i2c_adapter *i2c, u8 i2c_addr,
50 u8 override_set, u8 override_clear)
51 {
52 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
53 return NULL;
54 }
55 #endif /* CONFIG_DVB_ISL6405 */
56
57 #endif
58