xref: /openbmc/linux/drivers/media/tuners/max2165.h (revision 39b6f3aa)
1 /*
2  *  Driver for Maxim MAX2165 silicon tuner
3  *
4  *  Copyright (c) 2009 David T. L. Wong <davidtlwong@gmail.com>
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 #ifndef __MAX2165_H__
23 #define __MAX2165_H__
24 
25 #include <linux/kconfig.h>
26 
27 struct dvb_frontend;
28 struct i2c_adapter;
29 
30 struct max2165_config {
31 	u8 i2c_address;
32 	u8 osc_clk; /* in MHz, selectable values: 4,16,18,20,22,24,26,28 */
33 };
34 
35 #if IS_ENABLED(CONFIG_MEDIA_TUNER_MAX2165)
36 extern struct dvb_frontend *max2165_attach(struct dvb_frontend *fe,
37 	struct i2c_adapter *i2c,
38 	struct max2165_config *cfg);
39 #else
40 static inline struct dvb_frontend *max2165_attach(struct dvb_frontend *fe,
41 	struct i2c_adapter *i2c,
42 	struct max2165_config *cfg)
43 {
44 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
45 	return NULL;
46 }
47 #endif
48 
49 #endif
50