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lgdt330x.h
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1 /*
2  * Support for LGDT3302 and LGDT3303 - VSB/QAM
3  *
4  * Copyright (C) 2005 Wilson Michaels <[email protected]>
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 {
32 
34 {
35  /* The demodulator's i2c address */
37 
38  /* LG demodulator chip LGDT3302 or LGDT3303 */
40 
41  /* MPEG hardware interface - 0:parallel 1:serial */
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 */
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", __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  */