linux/drivers/media/usb/dvb-usb/dtt200u.h
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   1/* SPDX-License-Identifier: GPL-2.0-only */
   2/* Common header file of Linux driver for the WideView/ Yakumo/ Hama/
   3 * Typhoon/ Yuan DVB-T USB2.0 receiver.
   4 *
   5 * Copyright (C) 2004-5 Patrick Boettcher (patrick.boettcher@posteo.de)
   6 *
   7 * see Documentation/driver-api/media/drivers/dvb-usb.rst for more information
   8 */
   9#ifndef _DVB_USB_DTT200U_H_
  10#define _DVB_USB_DTT200U_H_
  11
  12#define DVB_USB_LOG_PREFIX "dtt200u"
  13
  14#include "dvb-usb.h"
  15
  16extern int dvb_usb_dtt200u_debug;
  17#define deb_info(args...) dprintk(dvb_usb_dtt200u_debug,0x01,args)
  18#define deb_xfer(args...) dprintk(dvb_usb_dtt200u_debug,0x02,args)
  19
  20/* guessed protocol description (reverse engineered):
  21 * read
  22 *  00 - USB type 0x02 for usb2.0, 0x01 for usb1.1
  23 *  88 - locking 2 bytes (0x80 0x40 == no signal, 0x89 0x20 == nice signal)
  24 */
  25
  26#define GET_SPEED               0x00
  27#define GET_TUNE_STATUS         0x81
  28#define GET_RC_CODE             0x84
  29#define GET_CONFIGURATION       0x88
  30#define GET_AGC                 0x89
  31#define GET_SNR                 0x8a
  32#define GET_VIT_ERR_CNT         0x8c
  33#define GET_RS_ERR_CNT          0x8d
  34#define GET_RS_UNCOR_BLK_CNT    0x8e
  35
  36/* write
  37 *  01 - init
  38 *  02 - frequency (divided by 250000)
  39 *  03 - bandwidth
  40 *  04 - pid table (index pid(7:0) pid(12:8))
  41 *  05 - reset the pid table
  42 *  08 - transfer switch
  43 */
  44
  45#define SET_INIT                0x01
  46#define SET_RF_FREQ             0x02
  47#define SET_BANDWIDTH           0x03
  48#define SET_PID_FILTER          0x04
  49#define RESET_PID_FILTER        0x05
  50#define SET_STREAMING           0x08
  51
  52extern struct dvb_frontend * dtt200u_fe_attach(struct dvb_usb_device *d);
  53
  54#endif
  55