xref: /linux/drivers/media/dvb-frontends/tda10086.h (revision c4ee0af3fa0dc65f690fc908f02b8355f9576ea0)
1   /*
2      Driver for Philips tda10086 DVBS Frontend
3 
4      (c) 2006 Andrew de Quincey
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 
23 #ifndef TDA10086_H
24 #define TDA10086_H
25 
26 #include <linux/dvb/frontend.h>
27 #include <linux/firmware.h>
28 
29 enum tda10086_xtal {
30 	TDA10086_XTAL_16M,
31 	TDA10086_XTAL_4M
32 };
33 
34 struct tda10086_config
35 {
36 	/* the demodulator's i2c address */
37 	u8 demod_address;
38 
39 	/* does the "inversion" need inverted? */
40 	u8 invert;
41 
42 	/* do we need the diseqc signal with carrier? */
43 	u8 diseqc_tone;
44 
45 	/* frequency of the reference xtal */
46 	enum tda10086_xtal xtal_freq;
47 };
48 
49 #if IS_ENABLED(CONFIG_DVB_TDA10086)
50 extern struct dvb_frontend* tda10086_attach(const struct tda10086_config* config,
51 					    struct i2c_adapter* i2c);
52 #else
53 static inline struct dvb_frontend* tda10086_attach(const struct tda10086_config* config,
54 						   struct i2c_adapter* i2c)
55 {
56 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
57 	return NULL;
58 }
59 #endif /* CONFIG_DVB_TDA10086 */
60 
61 #endif /* TDA10086_H */
62