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
isl6423_attach(struct dvb_frontend * fe,struct i2c_adapter * i2c,const struct isl6423_config * config)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