xref: /openbmc/linux/drivers/media/usb/dvb-usb/digitv.h (revision bc5aa3a0)
1 #ifndef _DVB_USB_DIGITV_H_
2 #define _DVB_USB_DIGITV_H_
3 
4 #define DVB_USB_LOG_PREFIX "digitv"
5 #include "dvb-usb.h"
6 
7 struct digitv_state {
8     int is_nxt6000;
9 };
10 
11 /* protocol (from usblogging and the SDK:
12  *
13  * Always 7 bytes bulk message(s) for controlling
14  *
15  * First byte describes the command. Reads are 2 consecutive transfer (as always).
16  *
17  * General structure:
18  *
19  * write or first message of a read:
20  * <cmdbyte> VV <len> B0 B1 B2 B3
21  *
22  * second message of a read
23  * <cmdbyte> VV <len> R0 R1 R2 R3
24  *
25  * whereas 0 < len <= 4
26  *
27  * I2C address is stored somewhere inside the device.
28  *
29  * 0x01 read from EEPROM
30  *  VV = offset; B* = 0; R* = value(s)
31  *
32  * 0x02 read register of the COFDM
33  *  VV = register; B* = 0; R* = value(s)
34  *
35  * 0x05 write register of the COFDM
36  *  VV = register; B* = value(s);
37  *
38  * 0x06 write to the tuner (only for NXT6000)
39  *  VV = 0; B* = PLL data; len = 4;
40  *
41  * 0x03 read remote control
42  *  VV = 0; B* = 0; len = 4; R* = key
43  *
44  * 0x07 write to the remote (don't know why one should this, resetting ?)
45  *  VV = 0; B* = key; len = 4;
46  *
47  * 0x08 write remote type
48  *  VV = 0; B[0] = 0x01, len = 4
49  *
50  * 0x09 write device init
51  *  TODO
52  */
53 #define USB_READ_EEPROM         1
54 
55 #define USB_READ_COFDM          2
56 #define USB_WRITE_COFDM         5
57 
58 #define USB_WRITE_TUNER         6
59 
60 #define USB_READ_REMOTE         3
61 #define USB_WRITE_REMOTE        7
62 #define USB_WRITE_REMOTE_TYPE   8
63 
64 #define USB_DEV_INIT            9
65 
66 #endif
67