drivers/media/usb/dvb-usb/dtt200u.h

   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/media/dvb-drivers/dvb-usb.rst 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
  19 extern 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
  55 extern struct dvb_frontend * dtt200u_fe_attach(struct dvb_usb_device *d);
  56
  57 #endif