1/*
2	Intersil ISL6423 SEC and LNB Power supply controller
3
4	Copyright (C) Manu Abraham <abraham.manu@gmail.com>
5
6	This program is free software; you can redistribute it and/or modify
7	it under the terms of the GNU General Public License as published by
8	the Free Software Foundation; either version 2 of the License, or
9	(at your option) any later version.
10
11	This program is distributed in the hope that it will be useful,
12	but WITHOUT ANY WARRANTY; without even the implied warranty of
13	MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14	GNU General Public License for more details.
15
16	You should have received a copy of the GNU General Public License
17	along with this program; if not, write to the Free Software
18	Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19*/
20
21#ifndef __ISL_6423_H
22#define __ISL_6423_H
23
24#include <linux/dvb/frontend.h>
25
26enum isl6423_current {
27	SEC_CURRENT_275m = 0,
28	SEC_CURRENT_515m,
29	SEC_CURRENT_635m,
30	SEC_CURRENT_800m,
31};
32
33enum isl6423_curlim {
34	SEC_CURRENT_LIM_ON = 1,
35	SEC_CURRENT_LIM_OFF
36};
37
38struct isl6423_config {
39	enum isl6423_current current_max;
40	enum isl6423_curlim curlim;
41	u8 addr;
42	u8 mod_extern;
43};
44
45#if IS_REACHABLE(CONFIG_DVB_ISL6423)
46
47
48extern struct dvb_frontend *isl6423_attach(struct dvb_frontend *fe,
49					   struct i2c_adapter *i2c,
50					   const struct isl6423_config *config);
51
52#else
53static inline struct dvb_frontend *isl6423_attach(struct dvb_frontend *fe,
54						  struct i2c_adapter *i2c,
55						  const struct isl6423_config *config)
56{
57	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
58	return NULL;
59}
60
61#endif /* CONFIG_DVB_ISL6423 */
62
63#endif /* __ISL_6423_H */
64