1. 根目录:
2. drivers
3. media
4. usb
5. dvb-usb
6. ttusb2.h

/* DVB USB compliant linux driver for Technotrend DVB USB boxes and clones
 * (e.g. Pinnacle 400e DVB-S USB2.0).
 *
 * Copyright (c) 2002 Holger Waechtler <holger@convergence.de>
 * Copyright (c) 2003 Felix Domke <tmbinc@elitedvb.net>
 * Copyright (C) 2005-6 Patrick Boettcher <pb@linuxtv.de>
 *
 *	This program is free software; you can redistribute it and/or modify it
 *	under the terms of the GNU General Public License as published by the Free
 *	Software Foundation, version 2.
 *
 * see Documentation/dvb/README.dvb-usb for more information
 */
#ifndef _DVB_USB_TTUSB2_H_
#define _DVB_USB_TTUSB2_H_

/* TTUSB protocol
 *
 * always to messages (out/in)
 * out message:
 * 0xaa <id> <cmdbyte> <datalen> <data...>
 *
 * in message (complete block is always 0x40 bytes long)
 * 0x55 <id> <cmdbyte> <datalen> <data...>
 *
 * id is incremented for each transaction
 */

#define CMD_DSP_DOWNLOAD    0x13
/* out data: <byte>[28]
 * last block must be empty */

#define CMD_DSP_BOOT        0x14
/* out data: nothing */

#define CMD_POWER           0x15
/* out data: <on=1/off=0> */

#define CMD_LNB             0x16
/* out data: <power=1> <18V=0,13V=1> <tone> <??=1> <??=1> */

#define CMD_GET_VERSION     0x17
/* in  data: <version_byte>[5] */

#define CMD_DISEQC          0x18
/* out data: <master=0xff/burst=??> <cmdlen> <cmdbytes>[cmdlen] */

#define CMD_PID_ENABLE      0x22
/* out data: <index> <type: ts=1/sec=2> <pid msb> <pid lsb> */

#define CMD_PID_DISABLE     0x23
/* out data: <index> */

#define CMD_FILTER_ENABLE   0x24
/* out data: <index> <pid_idx> <filter>[12] <mask>[12] */

#define CMD_FILTER_DISABLE  0x25
/* out data: <index> */

#define CMD_GET_DSP_VERSION 0x26
/* in  data: <version_byte>[28] */

#define CMD_I2C_XFER        0x31
/* out data: <addr << 1> <sndlen> <rcvlen> <data>[sndlen]
 * in  data: <addr << 1> <sndlen> <rcvlen> <data>[rcvlen] */

#define CMD_I2C_BITRATE     0x32
/* out data: <default=0> */

#endif