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