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 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
19 *
20 */
21
22 #ifndef LGDT330X_H
23 #define LGDT330X_H
24
25 #include <linux/dvb/frontend.h>
26
27 typedef enum lg_chip_t {
28 UNDEFINED,
29 LGDT3302,
30 LGDT3303
31 }lg_chip_type;
32
33 struct lgdt330x_config
34 {
35 /* The demodulator's i2c address */
36 u8 demod_address;
37
38 /* LG demodulator chip LGDT3302 or LGDT3303 */
39 lg_chip_type demod_chip;
40
41 /* MPEG hardware interface - 0:parallel 1:serial */
42 int serial_mpeg;
43
44 /* PLL interface */
45 int (*pll_rf_set) (struct dvb_frontend* fe, int index);
46
47 /* Need to set device param for start_dma */
48 int (*set_ts_params)(struct dvb_frontend* fe, int is_punctured);
49
50 /* Flip the polarity of the mpeg data transfer clock using alternate init data
51 * This option applies ONLY to LGDT3303 - 0:disabled (default) 1:enabled */
52 int clock_polarity_flip;
53 };
54
55 #if defined(CONFIG_DVB_LGDT330X) || (defined(CONFIG_DVB_LGDT330X_MODULE) && defined(MODULE))
56 extern struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
57 struct i2c_adapter* i2c);
58 #else
59 static inline struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
60 struct i2c_adapter* i2c)
61 {
62 printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __FUNCTION__);
63 return NULL;
64 }
65 #endif // CONFIG_DVB_LGDT330X
66
67 #endif /* LGDT330X_H */
68
69 /*
70 * Local variables:
71 * c-basic-offset: 8
72 * End:
73 */
74
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