linux/drivers/media/usb/dvb-usb/dtt200u.h
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   1/* Common header file of Linux driver for the WideView/ Yakumo/ Hama/
   2 * Typhoon/ Yuan DVB-T USB2.0 receiver.
   3 *
   4 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
   5 *
   6 *      This program is free software; you can redistribute it and/or modify it
   7 *      under the terms of the GNU General Public License as published by the Free
   8 *      Software Foundation, version 2.
   9 *
  10 * see Documentation/dvb/README.dvb-usb for more information
  11 */
  12#ifndef _DVB_USB_DTT200U_H_
  13#define _DVB_USB_DTT200U_H_
  14
  15#define DVB_USB_LOG_PREFIX "dtt200u"
  16
  17#include "dvb-usb.h"
  18
  19extern int dvb_usb_dtt200u_debug;
  20#define deb_info(args...) dprintk(dvb_usb_dtt200u_debug,0x01,args)
  21#define deb_xfer(args...) dprintk(dvb_usb_dtt200u_debug,0x02,args)
  22
  23/* guessed protocol description (reverse engineered):
  24 * read
  25 *  00 - USB type 0x02 for usb2.0, 0x01 for usb1.1
  26 *  88 - locking 2 bytes (0x80 0x40 == no signal, 0x89 0x20 == nice signal)
  27 */
  28
  29#define GET_SPEED               0x00
  30#define GET_TUNE_STATUS         0x81
  31#define GET_RC_CODE             0x84
  32#define GET_CONFIGURATION       0x88
  33#define GET_AGC                 0x89
  34#define GET_SNR                 0x8a
  35#define GET_VIT_ERR_CNT         0x8c
  36#define GET_RS_ERR_CNT          0x8d
  37#define GET_RS_UNCOR_BLK_CNT    0x8e
  38
  39/* write
  40 *  01 - init
  41 *  02 - frequency (divided by 250000)
  42 *  03 - bandwidth
  43 *  04 - pid table (index pid(7:0) pid(12:8))
  44 *  05 - reset the pid table
  45 *  08 - transfer switch
  46 */
  47
  48#define SET_INIT                0x01
  49#define SET_RF_FREQ             0x02
  50#define SET_BANDWIDTH           0x03
  51#define SET_PID_FILTER          0x04
  52#define RESET_PID_FILTER        0x05
  53#define SET_STREAMING           0x08
  54
  55extern struct dvb_frontend * dtt200u_fe_attach(struct dvb_usb_device *d);
  56
  57#endif
  58