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cae78ed5 MK |
1 | /* |
2 | * Support for LGDT3305 - VSB/QAM | |
3 | * | |
4 | * Copyright (C) 2008, 2009 Michael Krufky <mkrufky@linuxtv.org> | |
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 _LGDT3305_H_ | |
23 | #define _LGDT3305_H_ | |
24 | ||
25 | #include <linux/i2c.h> | |
26 | #include "dvb_frontend.h" | |
27 | ||
28 | ||
29 | enum lgdt3305_mpeg_mode { | |
30 | LGDT3305_MPEG_PARALLEL = 0, | |
31 | LGDT3305_MPEG_SERIAL = 1, | |
32 | }; | |
33 | ||
34 | enum lgdt3305_tp_clock_edge { | |
35 | LGDT3305_TPCLK_RISING_EDGE = 0, | |
36 | LGDT3305_TPCLK_FALLING_EDGE = 1, | |
37 | }; | |
38 | ||
39 | enum lgdt3305_tp_valid_polarity { | |
40 | LGDT3305_TP_VALID_LOW = 0, | |
41 | LGDT3305_TP_VALID_HIGH = 1, | |
42 | }; | |
43 | ||
804258c9 JW |
44 | enum lgdt_demod_chip_type { |
45 | LGDT3305 = 0, | |
46 | LGDT3304 = 1, | |
47 | }; | |
48 | ||
cae78ed5 MK |
49 | struct lgdt3305_config { |
50 | u8 i2c_addr; | |
51 | ||
52 | /* user defined IF frequency in KHz */ | |
53 | u16 qam_if_khz; | |
54 | u16 vsb_if_khz; | |
55 | ||
56 | /* AGC Power reference - defaults are used if left unset */ | |
57 | u16 usref_8vsb; /* default: 0x32c4 */ | |
58 | u16 usref_qam64; /* default: 0x5400 */ | |
59 | u16 usref_qam256; /* default: 0x2a80 */ | |
60 | ||
61 | /* disable i2c repeater - 0:repeater enabled 1:repeater disabled */ | |
1faea560 | 62 | unsigned int deny_i2c_rptr:1; |
cae78ed5 MK |
63 | |
64 | /* spectral inversion - 0:disabled 1:enabled */ | |
1faea560 | 65 | unsigned int spectral_inversion:1; |
cae78ed5 MK |
66 | |
67 | /* use RF AGC loop - 0:disabled 1:enabled */ | |
1faea560 | 68 | unsigned int rf_agc_loop:1; |
cae78ed5 MK |
69 | |
70 | enum lgdt3305_mpeg_mode mpeg_mode; | |
71 | enum lgdt3305_tp_clock_edge tpclk_edge; | |
72 | enum lgdt3305_tp_valid_polarity tpvalid_polarity; | |
804258c9 | 73 | enum lgdt_demod_chip_type demod_chip; |
cae78ed5 MK |
74 | }; |
75 | ||
76 | #if defined(CONFIG_DVB_LGDT3305) || (defined(CONFIG_DVB_LGDT3305_MODULE) && \ | |
77 | defined(MODULE)) | |
78 | extern | |
79 | struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config, | |
80 | struct i2c_adapter *i2c_adap); | |
81 | #else | |
82 | static inline | |
83 | struct dvb_frontend *lgdt3305_attach(const struct lgdt3305_config *config, | |
84 | struct i2c_adapter *i2c_adap) | |
85 | { | |
86 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | |
87 | return NULL; | |
88 | } | |
89 | #endif /* CONFIG_DVB_LGDT3305 */ | |
90 | ||
91 | #endif /* _LGDT3305_H_ */ |