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
27typedef enum lg_chip_t {
28		UNDEFINED,
29		LGDT3302,
30		LGDT3303
31}lg_chip_type;
32
33struct 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))
56extern struct dvb_frontend* lgdt330x_attach(const struct lgdt330x_config* config,
57					    struct i2c_adapter* i2c);
58#else
59static 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", __func__);
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