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f15da16d | 1 | /* |
b80dc1c6 DW |
2 | * Support for Legend Silicon GB20600 (a.k.a DMB-TH) demodulator |
3 | * LGS8913, LGS8GL5, LGS8G75 | |
f15da16d DW |
4 | * experimental support LGS8G42, LGS8G52 |
5 | * | |
b80dc1c6 | 6 | * Copyright (C) 2007-2009 David T.L. Wong <davidtlwong@gmail.com> |
f15da16d DW |
7 | * Copyright (C) 2008 Sirius International (Hong Kong) Limited |
8 | * Timothy Lee <timothy.lee@siriushk.com> (for initial work on LGS8GL5) | |
9 | * | |
10 | * This program is free software; you can redistribute it and/or modify | |
11 | * it under the terms of the GNU General Public License as published by | |
12 | * the Free Software Foundation; either version 2 of the License, or | |
13 | * (at your option) any later version. | |
14 | * | |
15 | * This program is distributed in the hope that it will be useful, | |
16 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
17 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
18 | * GNU General Public License for more details. | |
19 | * | |
f15da16d DW |
20 | */ |
21 | ||
22 | #ifndef __LGS8GXX_H__ | |
23 | #define __LGS8GXX_H__ | |
24 | ||
25 | #include <linux/dvb/frontend.h> | |
26 | #include <linux/i2c.h> | |
27 | ||
28 | #define LGS8GXX_PROD_LGS8913 0 | |
29 | #define LGS8GXX_PROD_LGS8GL5 1 | |
30 | #define LGS8GXX_PROD_LGS8G42 3 | |
31 | #define LGS8GXX_PROD_LGS8G52 4 | |
32 | #define LGS8GXX_PROD_LGS8G54 5 | |
b80dc1c6 | 33 | #define LGS8GXX_PROD_LGS8G75 6 |
f15da16d DW |
34 | |
35 | struct lgs8gxx_config { | |
36 | ||
37 | /* product type */ | |
38 | u8 prod; | |
39 | ||
40 | /* the demodulator's i2c address */ | |
41 | u8 demod_address; | |
42 | ||
43 | /* parallel or serial transport stream */ | |
44 | u8 serial_ts; | |
45 | ||
46 | /* transport stream polarity*/ | |
47 | u8 ts_clk_pol; | |
48 | ||
49 | /* transport stream clock gated by ts_valid */ | |
50 | u8 ts_clk_gated; | |
51 | ||
52 | /* A/D Clock frequency */ | |
53 | u32 if_clk_freq; /* in kHz */ | |
54 | ||
55 | /* IF frequency */ | |
56 | u32 if_freq; /* in kHz */ | |
57 | ||
58 | /*Use External ADC*/ | |
59 | u8 ext_adc; | |
60 | ||
61 | /*External ADC output two's complement*/ | |
62 | u8 adc_signed; | |
63 | ||
64 | /*Sample IF data at falling edge of IF_CLK*/ | |
65 | u8 if_neg_edge; | |
66 | ||
67 | /*IF use Negative center frequency*/ | |
68 | u8 if_neg_center; | |
69 | ||
b80dc1c6 DW |
70 | /*8G75 internal ADC input range selection*/ |
71 | /*0: 0.8Vpp, 1: 1.0Vpp, 2: 1.6Vpp, 3: 2.0Vpp*/ | |
72 | u8 adc_vpp; | |
73 | ||
f15da16d DW |
74 | /* slave address and configuration of the tuner */ |
75 | u8 tuner_address; | |
76 | }; | |
77 | ||
9b174527 | 78 | #if IS_REACHABLE(CONFIG_DVB_LGS8GXX) |
f15da16d DW |
79 | extern struct dvb_frontend *lgs8gxx_attach(const struct lgs8gxx_config *config, |
80 | struct i2c_adapter *i2c); | |
81 | #else | |
82 | static inline | |
83 | struct dvb_frontend *lgs8gxx_attach(const struct lgs8gxx_config *config, | |
84 | struct i2c_adapter *i2c) { | |
85 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | |
86 | return NULL; | |
87 | } | |
88 | #endif /* CONFIG_DVB_LGS8GXX */ | |
89 | ||
90 | #endif /* __LGS8GXX_H__ */ |