xref: /linux/drivers/media/dvb-frontends/zl10036.h (revision 0d456bad36d42d16022be045c8a53ddbb59ee478)
1 /**
2  * Driver for Zarlink ZL10036 DVB-S silicon tuner
3  *
4  * Copyright (C) 2006 Tino Reichardt
5  * Copyright (C) 2007-2009 Matthias Schwarzott <zzam@gentoo.de>
6  *
7  * This program is free software; you can redistribute it and/or modify
8  * it under the terms of the GNU General Public License Version 2, as
9  * published by the Free Software Foundation.
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 DVB_ZL10036_H
22 #define DVB_ZL10036_H
23 
24 #include <linux/i2c.h>
25 #include "dvb_frontend.h"
26 
27 /**
28  * Attach a zl10036 tuner to the supplied frontend structure.
29  *
30  * @param fe Frontend to attach to.
31  * @param config zl10036_config structure
32  * @return FE pointer on success, NULL on failure.
33  */
34 
35 struct zl10036_config {
36 	u8 tuner_address;
37 	int rf_loop_enable;
38 };
39 
40 #if defined(CONFIG_DVB_ZL10036) || \
41 	(defined(CONFIG_DVB_ZL10036_MODULE) && defined(MODULE))
42 extern struct dvb_frontend *zl10036_attach(struct dvb_frontend *fe,
43 	const struct zl10036_config *config, struct i2c_adapter *i2c);
44 #else
45 static inline struct dvb_frontend *zl10036_attach(struct dvb_frontend *fe,
46 	const struct zl10036_config *config, struct i2c_adapter *i2c)
47 {
48 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
49 	return NULL;
50 }
51 #endif
52 
53 #endif /* DVB_ZL10036_H */
54