xref: /openbmc/linux/drivers/media/tuners/fc0012.h (revision f3539c12)
1 /*
2  * Fitipower FC0012 tuner driver - include
3  *
4  * Copyright (C) 2012 Hans-Frieder Vogt <hfvogt@gmx.net>
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
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 _FC0012_H_
22 #define _FC0012_H_
23 
24 #include <linux/kconfig.h>
25 #include "dvb_frontend.h"
26 #include "fc001x-common.h"
27 
28 struct fc0012_config {
29 	/*
30 	 * I2C address
31 	 */
32 	u8 i2c_address;
33 
34 	/*
35 	 * clock
36 	 */
37 	enum fc001x_xtal_freq xtal_freq;
38 
39 	bool dual_master;
40 
41 	/*
42 	 * RF loop-through
43 	 */
44 	bool loop_through;
45 
46 	/*
47 	 * clock output
48 	 */
49 	bool clock_out;
50 };
51 
52 #if IS_REACHABLE(CONFIG_MEDIA_TUNER_FC0012)
53 extern struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
54 					struct i2c_adapter *i2c,
55 					const struct fc0012_config *cfg);
56 #else
57 static inline struct dvb_frontend *fc0012_attach(struct dvb_frontend *fe,
58 					struct i2c_adapter *i2c,
59 					const struct fc0012_config *cfg)
60 {
61 	pr_warn("%s: driver disabled by Kconfig\n", __func__);
62 	return NULL;
63 }
64 #endif
65 
66 #endif
67