xref: /linux/drivers/media/dvb-frontends/nxt200x.h (revision b889fcf63cb62e7fdb7816565e28f44dbe4a76a5)
1 /*
2  *    Support for NXT2002 and NXT2004 - VSB/QAM
3  *
4  *    Copyright (C) 2005 Kirk Lapray (kirk.lapray@gmail.com)
5  *    based on nxt2002 by Taylor Jacob <rtjacob@earthlink.net>
6  *    and nxt2004 by Jean-Francois Thibert (jeanfrancois@sagetv.com)
7  *
8  *    This program is free software; you can redistribute it and/or modify
9  *    it under the terms of the GNU General Public License as published by
10  *    the Free Software Foundation; either version 2 of the License, or
11  *    (at your option) any later version.
12  *
13  *    This program is distributed in the hope that it will be useful,
14  *    but WITHOUT ANY WARRANTY; without even the implied warranty of
15  *    MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
16  *    GNU General Public License for more details.
17  *
18  *    You should have received a copy of the GNU General Public License
19  *    along with this program; if not, write to the Free Software
20  *    Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
21  *
22 */
23 
24 #ifndef NXT200X_H
25 #define NXT200X_H
26 
27 #include <linux/dvb/frontend.h>
28 #include <linux/firmware.h>
29 
30 typedef enum nxt_chip_t {
31 		NXTUNDEFINED,
32 		NXT2002,
33 		NXT2004
34 }nxt_chip_type;
35 
36 struct nxt200x_config
37 {
38 	/* the demodulator's i2c address */
39 	u8 demod_address;
40 
41 	/* need to set device param for start_dma */
42 	int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
43 };
44 
45 #if defined(CONFIG_DVB_NXT200X) || (defined(CONFIG_DVB_NXT200X_MODULE) && defined(MODULE))
46 extern struct dvb_frontend* nxt200x_attach(const struct nxt200x_config* config,
47 					   struct i2c_adapter* i2c);
48 #else
49 static inline struct dvb_frontend* nxt200x_attach(const struct nxt200x_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_NXT200X
56 
57 #endif /* NXT200X_H */
58 
59 /*
60  * Local variables:
61  * c-basic-offset: 8
62  * End:
63  */
64