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 */
19 
20 #ifndef NXT200X_H
21 #define NXT200X_H
22 
23 #include <linux/dvb/frontend.h>
24 #include <linux/firmware.h>
25 
26 typedef enum nxt_chip_t {
27 		NXTUNDEFINED,
28 		NXT2002,
29 		NXT2004
30 }nxt_chip_type;
31 
32 struct nxt200x_config
33 {
34 	/* the demodulator's i2c address */
35 	u8 demod_address;
36 
37 	/* need to set device param for start_dma */
38 	int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
39 };
40 
41 #if IS_REACHABLE(CONFIG_DVB_NXT200X)
42 extern struct dvb_frontend* nxt200x_attach(const struct nxt200x_config* config,
43 					   struct i2c_adapter* i2c);
44 #else
nxt200x_attach(const struct nxt200x_config * config,struct i2c_adapter * i2c)45 static inline struct dvb_frontend* nxt200x_attach(const struct nxt200x_config* config,
46 					   struct i2c_adapter* i2c)
47 {
48 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
49 	return NULL;
50 }
51 #endif // CONFIG_DVB_NXT200X
52 
53 #endif /* NXT200X_H */
54