xref: /linux/drivers/media/dvb-frontends/stb6000.h (revision e5c86679d5e864947a52fb31e45a425dea3e7fa9)
1   /*
2      Driver for ST stb6000 DVBS Silicon tuner
3 
4      Copyright (C) 2008 Igor M. Liplianin (liplianin@me.by)
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 
15      GNU General Public License for more details.
16 
17      You should have received a copy of the GNU General Public License
18      along with this program; if not, write to the Free Software
19      Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
20 
21   */
22 
23 #ifndef __DVB_STB6000_H__
24 #define __DVB_STB6000_H__
25 
26 #include <linux/i2c.h>
27 #include "dvb_frontend.h"
28 
29 /**
30  * Attach a stb6000 tuner to the supplied frontend structure.
31  *
32  * @param fe Frontend to attach to.
33  * @param addr i2c address of the tuner.
34  * @param i2c i2c adapter to use.
35  * @return FE pointer on success, NULL on failure.
36  */
37 #if IS_REACHABLE(CONFIG_DVB_STB6000)
38 extern struct dvb_frontend *stb6000_attach(struct dvb_frontend *fe, int addr,
39 					   struct i2c_adapter *i2c);
40 #else
41 static inline struct dvb_frontend *stb6000_attach(struct dvb_frontend *fe,
42 						  int addr,
43 						  struct i2c_adapter *i2c)
44 {
45 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
46 	return NULL;
47 }
48 #endif /* CONFIG_DVB_STB6000 */
49 
50 #endif /* __DVB_STB6000_H__ */
51