1 | /* SPDX-License-Identifier: GPL-2.0-or-later */ |
2 | /* |
3 | * Driver for Quantek QT1010 silicon tuner |
4 | * |
5 | * Copyright (C) 2006 Antti Palosaari <crope@iki.fi> |
6 | * Aapo Tahkola <aet@rasterburn.org> |
7 | */ |
8 | |
9 | #ifndef QT1010_PRIV_H |
10 | #define QT1010_PRIV_H |
11 | |
12 | /* |
13 | reg def meaning |
14 | === === ======= |
15 | 00 00 ? |
16 | 01 a0 ? operation start/stop; start=80, stop=00 |
17 | 02 00 ? |
18 | 03 19 ? |
19 | 04 00 ? |
20 | 05 00 ? maybe band selection |
21 | 06 00 ? |
22 | 07 2b set frequency: 32 MHz scale, n*32 MHz |
23 | 08 0b ? |
24 | 09 10 ? changes every 8/24 MHz; values 1d/1c |
25 | 0a 08 set frequency: 4 MHz scale, n*4 MHz |
26 | 0b 41 ? changes every 2/2 MHz; values 45/45 |
27 | 0c e1 ? |
28 | 0d 94 ? |
29 | 0e b6 ? |
30 | 0f 2c ? |
31 | 10 10 ? |
32 | 11 f1 ? maybe device specified adjustment |
33 | 12 11 ? maybe device specified adjustment |
34 | 13 3f ? |
35 | 14 1f ? |
36 | 15 3f ? |
37 | 16 ff ? |
38 | 17 ff ? |
39 | 18 f7 ? |
40 | 19 80 ? |
41 | 1a d0 set frequency: 125 kHz scale, n*125 kHz |
42 | 1b 00 ? |
43 | 1c 89 ? |
44 | 1d 00 ? |
45 | 1e 00 ? looks like operation register; write cmd here, read result from 1f-26 |
46 | 1f 20 ? chip initialization |
47 | 20 e0 ? chip initialization |
48 | 21 20 ? |
49 | 22 d0 ? |
50 | 23 d0 ? |
51 | 24 d0 ? |
52 | 25 40 ? chip initialization |
53 | 26 08 ? |
54 | 27 29 ? |
55 | 28 55 ? |
56 | 29 39 ? |
57 | 2a 13 ? |
58 | 2b 01 ? |
59 | 2c ea ? |
60 | 2d 00 ? |
61 | 2e 00 ? not used? |
62 | 2f 00 ? not used? |
63 | */ |
64 | |
65 | #define QT1010_STEP (125 * kHz) /* |
66 | * used by Windows drivers, |
67 | * hw could be more precise but we don't |
68 | * know how to use |
69 | */ |
70 | #define QT1010_MIN_FREQ (48 * MHz) |
71 | #define QT1010_MAX_FREQ (860 * MHz) |
72 | #define QT1010_OFFSET (1246 * MHz) |
73 | |
74 | #define QT1010_WR 0 |
75 | #define QT1010_RD 1 |
76 | #define QT1010_M1 3 |
77 | |
78 | typedef struct { |
79 | u8 oper, reg, val; |
80 | } qt1010_i2c_oper_t; |
81 | |
82 | struct qt1010_priv { |
83 | struct qt1010_config *cfg; |
84 | struct i2c_adapter *i2c; |
85 | |
86 | u8 reg1f_init_val; |
87 | u8 reg20_init_val; |
88 | u8 reg25_init_val; |
89 | |
90 | u32 frequency; |
91 | }; |
92 | |
93 | #endif |
94 | |