1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-or-later */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun Intersil ISL6423 SEC and LNB Power supply controller
4*4882a593Smuzhiyun
5*4882a593Smuzhiyun Copyright (C) Manu Abraham <abraham.manu@gmail.com>
6*4882a593Smuzhiyun
7*4882a593Smuzhiyun */
8*4882a593Smuzhiyun
9*4882a593Smuzhiyun #ifndef __ISL_6423_H
10*4882a593Smuzhiyun #define __ISL_6423_H
11*4882a593Smuzhiyun
12*4882a593Smuzhiyun #include <linux/dvb/frontend.h>
13*4882a593Smuzhiyun
14*4882a593Smuzhiyun enum isl6423_current {
15*4882a593Smuzhiyun SEC_CURRENT_275m = 0,
16*4882a593Smuzhiyun SEC_CURRENT_515m,
17*4882a593Smuzhiyun SEC_CURRENT_635m,
18*4882a593Smuzhiyun SEC_CURRENT_800m,
19*4882a593Smuzhiyun };
20*4882a593Smuzhiyun
21*4882a593Smuzhiyun enum isl6423_curlim {
22*4882a593Smuzhiyun SEC_CURRENT_LIM_ON = 1,
23*4882a593Smuzhiyun SEC_CURRENT_LIM_OFF
24*4882a593Smuzhiyun };
25*4882a593Smuzhiyun
26*4882a593Smuzhiyun struct isl6423_config {
27*4882a593Smuzhiyun enum isl6423_current current_max;
28*4882a593Smuzhiyun enum isl6423_curlim curlim;
29*4882a593Smuzhiyun u8 addr;
30*4882a593Smuzhiyun u8 mod_extern;
31*4882a593Smuzhiyun };
32*4882a593Smuzhiyun
33*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_ISL6423)
34*4882a593Smuzhiyun
35*4882a593Smuzhiyun
36*4882a593Smuzhiyun extern struct dvb_frontend *isl6423_attach(struct dvb_frontend *fe,
37*4882a593Smuzhiyun struct i2c_adapter *i2c,
38*4882a593Smuzhiyun const struct isl6423_config *config);
39*4882a593Smuzhiyun
40*4882a593Smuzhiyun #else
isl6423_attach(struct dvb_frontend * fe,struct i2c_adapter * i2c,const struct isl6423_config * config)41*4882a593Smuzhiyun static inline struct dvb_frontend *isl6423_attach(struct dvb_frontend *fe,
42*4882a593Smuzhiyun struct i2c_adapter *i2c,
43*4882a593Smuzhiyun const struct isl6423_config *config)
44*4882a593Smuzhiyun {
45*4882a593Smuzhiyun printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
46*4882a593Smuzhiyun return NULL;
47*4882a593Smuzhiyun }
48*4882a593Smuzhiyun
49*4882a593Smuzhiyun #endif /* CONFIG_DVB_ISL6423 */
50*4882a593Smuzhiyun
51*4882a593Smuzhiyun #endif /* __ISL_6423_H */
52