1 /*
2     Driver for STV0297 demodulator
3 
4     Copyright (C) 2003-2004 Dennis Noermann <dennis.noermann@noernet.de>
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 STV0297_H
22 #define STV0297_H
23 
24 #include <linux/dvb/frontend.h>
25 #include "dvb_frontend.h"
26 
27 struct stv0297_config
28 {
29 	/* the demodulator's i2c address */
30 	u8 demod_address;
31 
32 	/* inittab - array of pairs of values.
33 	* First of each pair is the register, second is the value.
34 	* List should be terminated with an 0xff, 0xff pair.
35 	*/
36 	u8* inittab;
37 
38 	/* does the "inversion" need inverted? */
39 	u8 invert:1;
40 
41 	/* set to 1 if the device requires an i2c STOP during reading */
42 	u8 stop_during_read:1;
43 };
44 
45 #if IS_REACHABLE(CONFIG_DVB_STV0297)
46 extern struct dvb_frontend* stv0297_attach(const struct stv0297_config* config,
47 					   struct i2c_adapter* i2c);
48 #else
49 static inline struct dvb_frontend* stv0297_attach(const struct stv0297_config* config,
50 					   struct i2c_adapter* i2c)
51 {
52 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
53 	return NULL;
54 }
55 #endif // CONFIG_DVB_STV0297
56 
57 #endif // STV0297_H
58