xref: /linux/drivers/media/dvb-frontends/a8293.h (revision 93df8a1ed6231727c5db94a80b1a6bd5ee67cec3)
1 /*
2  * Allegro A8293 SEC driver
3  *
4  * Copyright (C) 2011 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 A8293_H
22 #define A8293_H
23 
24 #include "dvb_frontend.h"
25 #include <linux/kconfig.h>
26 
27 /*
28  * I2C address
29  * 0x08, 0x09, 0x0a, 0x0b
30  */
31 
32 /**
33  * struct a8293_platform_data - Platform data for the a8293 driver
34  * @dvb_frontend: DVB frontend.
35  */
36 struct a8293_platform_data {
37 	struct dvb_frontend *dvb_frontend;
38 };
39 
40 
41 struct a8293_config {
42 	u8 i2c_addr;
43 };
44 
45 #if IS_REACHABLE(CONFIG_DVB_A8293)
46 extern struct dvb_frontend *a8293_attach(struct dvb_frontend *fe,
47 	struct i2c_adapter *i2c, const struct a8293_config *cfg);
48 #else
49 static inline struct dvb_frontend *a8293_attach(struct dvb_frontend *fe,
50 	struct i2c_adapter *i2c, const struct a8293_config *cfg)
51 {
52 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
53 	return NULL;
54 }
55 #endif
56 
57 #endif /* A8293_H */
58