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ec27b6aa DW |
1 | /* |
2 | * Support for AltoBeam GB20600 (a.k.a DMB-TH) demodulator | |
3 | * ATBM8830, ATBM8831 | |
4 | * | |
5 | * Copyright (C) 2009 David T.L. Wong <davidtlwong@gmail.com> | |
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 | #ifndef __ATBM8830_H__ | |
23 | #define __ATBM8830_H__ | |
24 | ||
25 | #include <linux/dvb/frontend.h> | |
26 | #include <linux/i2c.h> | |
27 | ||
28 | #define ATBM8830_PROD_8830 0 | |
29 | #define ATBM8830_PROD_8831 1 | |
30 | ||
31 | struct atbm8830_config { | |
32 | ||
33 | /* product type */ | |
34 | u8 prod; | |
35 | ||
36 | /* the demodulator's i2c address */ | |
37 | u8 demod_address; | |
38 | ||
39 | /* parallel or serial transport stream */ | |
40 | u8 serial_ts; | |
41 | ||
25985edc | 42 | /* transport stream clock output only when receiving valid stream */ |
ec27b6aa DW |
43 | u8 ts_clk_gated; |
44 | ||
45 | /* Decoder sample TS data at rising edge of clock */ | |
46 | u8 ts_sampling_edge; | |
47 | ||
48 | /* Oscillator clock frequency */ | |
49 | u32 osc_clk_freq; /* in kHz */ | |
50 | ||
51 | /* IF frequency */ | |
52 | u32 if_freq; /* in kHz */ | |
53 | ||
54 | /* Swap I/Q for zero IF */ | |
55 | u8 zif_swap_iq; | |
56 | ||
57 | /* Tuner AGC settings */ | |
58 | u8 agc_min; | |
59 | u8 agc_max; | |
60 | u8 agc_hold_loop; | |
61 | }; | |
62 | ||
63 | #if defined(CONFIG_DVB_ATBM8830) || \ | |
64 | (defined(CONFIG_DVB_ATBM8830_MODULE) && defined(MODULE)) | |
65 | extern struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config, | |
66 | struct i2c_adapter *i2c); | |
67 | #else | |
68 | static inline | |
69 | struct dvb_frontend *atbm8830_attach(const struct atbm8830_config *config, | |
70 | struct i2c_adapter *i2c) { | |
71 | printk(KERN_WARNING "%s: driver disabled by Kconfig\n", __func__); | |
72 | return NULL; | |
73 | } | |
74 | #endif /* CONFIG_DVB_ATBM8830 */ | |
75 | ||
76 | #endif /* __ATBM8830_H__ */ |