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
26 enum isl6423_current {
27 SEC_CURRENT_275m = 0,
28 SEC_CURRENT_515m,
29 SEC_CURRENT_635m,
30 SEC_CURRENT_800m,
31 };
32
33 enum isl6423_curlim {
34 SEC_CURRENT_LIM_ON = 1,
35 SEC_CURRENT_LIM_OFF
36 };
37
38 struct 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
48 extern struct dvb_frontend *isl6423_attach(struct dvb_frontend *fe,
49 struct i2c_adapter *i2c,
50 const struct isl6423_config *config);
51
52 #else
isl6423_attach(struct dvb_frontend * fe,struct i2c_adapter * i2c,const struct isl6423_config * config)53 static 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