1 /* SPDX-License-Identifier: GPL-2.0-or-later */
2 /*
3  *    Support for NXT2002 and NXT2004 - VSB/QAM
4  *
5  *    Copyright (C) 2005 Kirk Lapray (kirk.lapray@gmail.com)
6  *    based on nxt2002 by Taylor Jacob <rtjacob@earthlink.net>
7  *    and nxt2004 by Jean-Francois Thibert (jeanfrancois@sagetv.com)
8 */
9 
10 #ifndef NXT200X_H
11 #define NXT200X_H
12 
13 #include <linux/dvb/frontend.h>
14 #include <linux/firmware.h>
15 
16 typedef enum nxt_chip_t {
17 		NXTUNDEFINED,
18 		NXT2002,
19 		NXT2004
20 }nxt_chip_type;
21 
22 struct nxt200x_config
23 {
24 	/* the demodulator's i2c address */
25 	u8 demod_address;
26 
27 	/* need to set device param for start_dma */
28 	int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
29 };
30 
31 #if IS_REACHABLE(CONFIG_DVB_NXT200X)
32 extern struct dvb_frontend* nxt200x_attach(const struct nxt200x_config* config,
33 					   struct i2c_adapter* i2c);
34 #else
35 static inline struct dvb_frontend* nxt200x_attach(const struct nxt200x_config* config,
36 					   struct i2c_adapter* i2c)
37 {
38 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
39 	return NULL;
40 }
41 #endif // CONFIG_DVB_NXT200X
42 
43 #endif /* NXT200X_H */
44