1 | /* SPDX-License-Identifier: GPL-2.0 */ |
2 | #ifndef _DVB_USB_DIGITV_H_ |
3 | #define _DVB_USB_DIGITV_H_ |
4 | |
5 | #define DVB_USB_LOG_PREFIX "digitv" |
6 | #include "dvb-usb.h" |
7 | |
8 | struct digitv_state { |
9 | int is_nxt6000; |
10 | |
11 | unsigned char sndbuf[7]; |
12 | unsigned char rcvbuf[7]; |
13 | }; |
14 | |
15 | /* protocol (from usblogging and the SDK: |
16 | * |
17 | * Always 7 bytes bulk message(s) for controlling |
18 | * |
19 | * First byte describes the command. Reads are 2 consecutive transfer (as always). |
20 | * |
21 | * General structure: |
22 | * |
23 | * write or first message of a read: |
24 | * <cmdbyte> VV <len> B0 B1 B2 B3 |
25 | * |
26 | * second message of a read |
27 | * <cmdbyte> VV <len> R0 R1 R2 R3 |
28 | * |
29 | * whereas 0 < len <= 4 |
30 | * |
31 | * I2C address is stored somewhere inside the device. |
32 | * |
33 | * 0x01 read from EEPROM |
34 | * VV = offset; B* = 0; R* = value(s) |
35 | * |
36 | * 0x02 read register of the COFDM |
37 | * VV = register; B* = 0; R* = value(s) |
38 | * |
39 | * 0x05 write register of the COFDM |
40 | * VV = register; B* = value(s); |
41 | * |
42 | * 0x06 write to the tuner (only for NXT6000) |
43 | * VV = 0; B* = PLL data; len = 4; |
44 | * |
45 | * 0x03 read remote control |
46 | * VV = 0; B* = 0; len = 4; R* = key |
47 | * |
48 | * 0x07 write to the remote (don't know why one should this, resetting ?) |
49 | * VV = 0; B* = key; len = 4; |
50 | * |
51 | * 0x08 write remote type |
52 | * VV = 0; B[0] = 0x01, len = 4 |
53 | * |
54 | * 0x09 write device init |
55 | * TODO |
56 | */ |
57 | #define USB_READ_EEPROM 1 |
58 | |
59 | #define USB_READ_COFDM 2 |
60 | #define USB_WRITE_COFDM 5 |
61 | |
62 | #define USB_WRITE_TUNER 6 |
63 | |
64 | #define USB_READ_REMOTE 3 |
65 | #define USB_WRITE_REMOTE 7 |
66 | #define USB_WRITE_REMOTE_TYPE 8 |
67 | |
68 | #define USB_DEV_INIT 9 |
69 | |
70 | #endif |
71 | |