1 /*
2  *    Support for LGDT3302 and LGDT3303 - VSB/QAM
3  *
4  *    Copyright (C) 2005 Wilson Michaels <wilsonmichaels@earthlink.net>
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  */
17 
18 #ifndef LGDT330X_H
19 #define LGDT330X_H
20 
21 #include <linux/dvb/frontend.h>
22 
23 typedef enum lg_chip_t {
24 		UNDEFINED,
25 		LGDT3302,
26 		LGDT3303
27 }lg_chip_type;
28 
29 struct lgdt330x_config
30 {
31 	/* The demodulator's i2c address */
32 	u8 demod_address;
33 
34 	/* LG demodulator chip LGDT3302 or LGDT3303 */
35 	lg_chip_type demod_chip;
36 
37 	/* MPEG hardware interface - 0:parallel 1:serial */
38 	int serial_mpeg;
39 
40 	/* PLL interface */
41 	int (*pll_rf_set) (struct dvb_frontend* fe, int index);
42 
43 	/* Need to set device param for start_dma */
44 	int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
45 
46 	/* Flip the polarity of the mpeg data transfer clock using alternate init data
47 	 * This option applies ONLY to LGDT3303 - 0:disabled (default) 1:enabled */
48 	int clock_polarity_flip;
49 };
50 
51 #if IS_REACHABLE(CONFIG_DVB_LGDT330X)
52 extern struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
53 					    struct i2c_adapter* i2c);
54 #else
55 static inline struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
56 					    struct i2c_adapter* i2c)
57 {
58 	printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__);
59 	return NULL;
60 }
61 #endif // CONFIG_DVB_LGDT330X
62 
63 #endif /* LGDT330X_H */
64