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b63b36fa FR |
1 | /* |
2 | * Support for LGDT3306A - 8VSB/QAM-B | |
3 | * | |
4 | * Copyright (C) 2013,2014 Fred Richter <frichter@hauppauge.com> | |
5 | * based on lgdt3305.[ch] by Michael Krufky | |
6 | * | |
7 | * This program is free software; you can redistribute it and/or modify | |
8 | * it under the terms of the GNU General Public License as published by | |
9 | * the Free Software Foundation; either version 2 of the License, or | |
10 | * (at your option) any later version. | |
11 | * | |
12 | * This program is distributed in the hope that it will be useful, | |
13 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
14 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
15 | * GNU General Public License for more details. | |
16 | * | |
17 | * You should have received a copy of the GNU General Public License | |
18 | * along with this program; if not, write to the Free Software | |
19 | * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. | |
20 | * | |
21 | */ | |
22 | ||
23 | #ifndef _LGDT3306A_H_ | |
24 | #define _LGDT3306A_H_ | |
25 | ||
26 | #include <linux/i2c.h> | |
27 | #include "dvb_frontend.h" | |
28 | ||
29 | ||
30 | enum lgdt3306a_mpeg_mode { | |
31 | LGDT3306A_MPEG_PARALLEL = 0, | |
32 | LGDT3306A_MPEG_SERIAL = 1, | |
33 | }; | |
34 | ||
35 | enum lgdt3306a_tp_clock_edge { | |
36 | LGDT3306A_TPCLK_RISING_EDGE = 0, | |
37 | LGDT3306A_TPCLK_FALLING_EDGE = 1, | |
38 | }; | |
39 | ||
40 | enum lgdt3306a_tp_valid_polarity { | |
41 | LGDT3306A_TP_VALID_LOW = 0, | |
42 | LGDT3306A_TP_VALID_HIGH = 1, | |
43 | }; | |
44 | ||
45 | struct lgdt3306a_config { | |
46 | u8 i2c_addr; | |
47 | ||
48 | /* user defined IF frequency in KHz */ | |
49 | u16 qam_if_khz; | |
50 | u16 vsb_if_khz; | |
51 | ||
52 | /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */ | |
53 | int deny_i2c_rptr:1; | |
54 | ||
55 | /* spectral inversion - 0:disabled 1:enabled */ | |
56 | int spectral_inversion:1; | |
57 | ||
58 | enum lgdt3306a_mpeg_mode mpeg_mode; | |
59 | enum lgdt3306a_tp_clock_edge tpclk_edge; | |
60 | enum lgdt3306a_tp_valid_polarity tpvalid_polarity; | |
61 | ||
62 | int xtalMHz;//demod clock freq in MHz; 24 or 25 supported | |
63 | }; | |
64 | ||
65 | #if defined(CONFIG_DVB_LGDT3306A) || (defined(CONFIG_DVB_LGDT3306A_MODULE) && \ | |
66 | defined(MODULE)) | |
67 | extern | |
68 | struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config, | |
69 | struct i2c_adapter *i2c_adap); | |
70 | #else | |
71 | static inline | |
72 | struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config, | |
73 | struct i2c_adapter *i2c_adap) | |
74 | { | |
75 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | |
76 | return NULL; | |
77 | } | |
78 | #endif /* CONFIG_DVB_LGDT3306A */ | |
79 | ||
80 | #endif /* _LGDT3306A_H_ */ |