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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. | |
b63b36fa FR |
16 | */ |
17 | ||
18 | #ifndef _LGDT3306A_H_ | |
19 | #define _LGDT3306A_H_ | |
20 | ||
21 | #include <linux/i2c.h> | |
22 | #include "dvb_frontend.h" | |
23 | ||
24 | ||
25 | enum lgdt3306a_mpeg_mode { | |
26 | LGDT3306A_MPEG_PARALLEL = 0, | |
27 | LGDT3306A_MPEG_SERIAL = 1, | |
28 | }; | |
29 | ||
30 | enum lgdt3306a_tp_clock_edge { | |
31 | LGDT3306A_TPCLK_RISING_EDGE = 0, | |
32 | LGDT3306A_TPCLK_FALLING_EDGE = 1, | |
33 | }; | |
34 | ||
35 | enum lgdt3306a_tp_valid_polarity { | |
36 | LGDT3306A_TP_VALID_LOW = 0, | |
37 | LGDT3306A_TP_VALID_HIGH = 1, | |
38 | }; | |
39 | ||
40 | struct lgdt3306a_config { | |
41 | u8 i2c_addr; | |
42 | ||
43 | /* user defined IF frequency in KHz */ | |
44 | u16 qam_if_khz; | |
45 | u16 vsb_if_khz; | |
46 | ||
47 | /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */ | |
15c546e1 | 48 | unsigned int deny_i2c_rptr:1; |
b63b36fa FR |
49 | |
50 | /* spectral inversion - 0:disabled 1:enabled */ | |
15c546e1 | 51 | unsigned int spectral_inversion:1; |
b63b36fa FR |
52 | |
53 | enum lgdt3306a_mpeg_mode mpeg_mode; | |
54 | enum lgdt3306a_tp_clock_edge tpclk_edge; | |
55 | enum lgdt3306a_tp_valid_polarity tpvalid_polarity; | |
56 | ||
8e8cd34e MIK |
57 | /* demod clock freq in MHz; 24 or 25 supported */ |
58 | int xtalMHz; | |
b63b36fa FR |
59 | }; |
60 | ||
00c78a37 | 61 | #if IS_REACHABLE(CONFIG_DVB_LGDT3306A) |
b63b36fa | 62 | struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config, |
c43e6512 | 63 | struct i2c_adapter *i2c_adap); |
b63b36fa FR |
64 | #else |
65 | static inline | |
66 | struct dvb_frontend *lgdt3306a_attach(const struct lgdt3306a_config *config, | |
c43e6512 | 67 | struct i2c_adapter *i2c_adap) |
b63b36fa FR |
68 | { |
69 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | |
70 | return NULL; | |
71 | } | |
72 | #endif /* CONFIG_DVB_LGDT3306A */ | |
73 | ||
74 | #endif /* _LGDT3306A_H_ */ |