xref: /openbmc/linux/drivers/media/tuners/fc2580.h (revision 4f3db074)
1 /*
2  * FCI FC2580 silicon tuner driver
3  *
4  * Copyright (C) 2012 Antti Palosaari <crope@iki.fi>
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 along
17  *    with this program; if not, write to the Free Software Foundation, Inc.,
18  *    51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
19  */
20 
21 #ifndef FC2580_H
22 #define FC2580_H
23 
24 #include <linux/kconfig.h>
25 #include "dvb_frontend.h"
26 
27 struct fc2580_config {
28 	/*
29 	 * I2C address
30 	 * 0x56, ...
31 	 */
32 	u8 i2c_addr;
33 
34 	/*
35 	 * clock
36 	 */
37 	u32 clock;
38 };
39 
40 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_FC2580)
41 extern struct dvb_frontend *fc2580_attach(struct dvb_frontend *fe,
42 	struct i2c_adapter *i2c, const struct fc2580_config *cfg);
43 #else
44 static inline struct dvb_frontend *fc2580_attach(struct dvb_frontend *fe,
45 	struct i2c_adapter *i2c, const struct fc2580_config *cfg)
46 {
47 	pr_warn("%s: driver disabled by Kconfig\n", __func__);
48 	return NULL;
49 }
50 #endif
51 
52 #endif
53