xref: /OK3568_Linux_fs/kernel/drivers/media/dvb-frontends/stv0910.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0 */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  * Driver for the ST STV0910 DVB-S/S2 demodulator.
4*4882a593Smuzhiyun  *
5*4882a593Smuzhiyun  * Copyright (C) 2014-2015 Ralph Metzler <rjkm@metzlerbros.de>
6*4882a593Smuzhiyun  *                         Marcus Metzler <mocm@metzlerbros.de>
7*4882a593Smuzhiyun  *                         developed for Digital Devices GmbH
8*4882a593Smuzhiyun  *
9*4882a593Smuzhiyun  * This program is free software; you can redistribute it and/or
10*4882a593Smuzhiyun  * modify it under the terms of the GNU General Public License
11*4882a593Smuzhiyun  * version 2 only, as published by the Free Software Foundation.
12*4882a593Smuzhiyun  *
13*4882a593Smuzhiyun  * This program is distributed in the hope that it will be useful,
14*4882a593Smuzhiyun  * but WITHOUT ANY WARRANTY; without even the implied warranty of
15*4882a593Smuzhiyun  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16*4882a593Smuzhiyun  * GNU General Public License for more details.
17*4882a593Smuzhiyun  */
18*4882a593Smuzhiyun 
19*4882a593Smuzhiyun #ifndef _STV0910_H_
20*4882a593Smuzhiyun #define _STV0910_H_
21*4882a593Smuzhiyun 
22*4882a593Smuzhiyun #include <linux/types.h>
23*4882a593Smuzhiyun #include <linux/i2c.h>
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun struct stv0910_cfg {
26*4882a593Smuzhiyun 	u32 clk;
27*4882a593Smuzhiyun 	u8  adr;
28*4882a593Smuzhiyun 	u8  parallel;
29*4882a593Smuzhiyun 	u8  rptlvl;
30*4882a593Smuzhiyun 	u8  single;
31*4882a593Smuzhiyun 	u8  tsspeed;
32*4882a593Smuzhiyun };
33*4882a593Smuzhiyun 
34*4882a593Smuzhiyun #if IS_REACHABLE(CONFIG_DVB_STV0910)
35*4882a593Smuzhiyun 
36*4882a593Smuzhiyun struct dvb_frontend *stv0910_attach(struct i2c_adapter *i2c,
37*4882a593Smuzhiyun 				    struct stv0910_cfg *cfg, int nr);
38*4882a593Smuzhiyun 
39*4882a593Smuzhiyun #else
40*4882a593Smuzhiyun 
stv0910_attach(struct i2c_adapter * i2c,struct stv0910_cfg * cfg,int nr)41*4882a593Smuzhiyun static inline struct dvb_frontend *stv0910_attach(struct i2c_adapter *i2c,
42*4882a593Smuzhiyun 						  struct stv0910_cfg *cfg,
43*4882a593Smuzhiyun 						  int nr)
44*4882a593Smuzhiyun {
45*4882a593Smuzhiyun 	pr_warn("%s: driver disabled by Kconfig\n", __func__);
46*4882a593Smuzhiyun 	return NULL;
47*4882a593Smuzhiyun }
48*4882a593Smuzhiyun 
49*4882a593Smuzhiyun #endif /* CONFIG_DVB_STV0910 */
50*4882a593Smuzhiyun 
51*4882a593Smuzhiyun #endif /* _STV0910_H_ */
52