xref: /linux/drivers/media/dvb-frontends/ds3000.h (revision c4ee0af3fa0dc65f690fc908f02b8355f9576ea0)
1 /*
2     Montage Technology DS3000 - DVBS/S2 Demodulator driver
3     Copyright (C) 2009-2012 Konstantin Dimitrov <kosio.dimitrov@gmail.com>
4 
5     Copyright (C) 2009-2012 TurboSight.com
6 
7     This program is free software; you can redistribute it and/or modify
8     it under the terms of the GNU General Public License as published by
9     the Free Software Foundation; either version 2 of the License, or
10     (at your option) any later version.
11 
12     This program is distributed in the hope that it will be useful,
13     but WITHOUT ANY WARRANTY; without even the implied warranty of
14     MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
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 DS3000_H
23 #define DS3000_H
24 
25 #include <linux/kconfig.h>
26 #include <linux/dvb/frontend.h>
27 
28 struct ds3000_config {
29 	/* the demodulator's i2c address */
30 	u8 demod_address;
31 	u8 ci_mode;
32 	/* Set device param to start dma */
33 	int (*set_ts_params)(struct dvb_frontend *fe, int is_punctured);
34 	/* Hook for Lock LED */
35 	void (*set_lock_led)(struct dvb_frontend *fe, int offon);
36 };
37 
38 #if IS_ENABLED(CONFIG_DVB_DS3000)
39 extern struct dvb_frontend *ds3000_attach(const struct ds3000_config *config,
40 					struct i2c_adapter *i2c);
41 #else
42 static inline
43 struct dvb_frontend *ds3000_attach(const struct ds3000_config *config,
44 					struct i2c_adapter *i2c)
45 {
46 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
47 	return NULL;
48 }
49 #endif /* CONFIG_DVB_DS3000 */
50 #endif /* DS3000_H */
51