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