drivers/media/usb/pvrusb2/pvrusb2-debugifc.h

   1 /*
   2  *
   3  *
   4  *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
   5  *
   6  *  This program is free software; you can redistribute it and/or modify
   7  *  it under the terms of the GNU General Public License as published by
   8  *  the Free Software Foundation; either version 2 of the License
   9  *
  10  *  This program is distributed in the hope that it will be useful,
  11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  *  GNU General Public License for more details.
  14  *
  15  */
  16 #ifndef __PVRUSB2_DEBUGIFC_H
  17 #define __PVRUSB2_DEBUGIFC_H
  18
  19 struct pvr2_hdw;
  20
  21 /* Print general status of driver.  This will also trigger a probe of
  22    the USB link.  Unlike print_info(), this one synchronizes with the
  23    driver so the information should be self-consistent (but it will
  24    hang if the driver is wedged). */
  25 int pvr2_debugifc_print_info(struct pvr2_hdw *,
  26                              char *buf_ptr, unsigned int buf_size);
  27
  28 /* Non-intrusively print some useful debugging info from inside the
  29    driver.  This should work even if the driver appears to be
  30    wedged. */
  31 int pvr2_debugifc_print_status(struct pvr2_hdw *,
  32                                char *buf_ptr,unsigned int buf_size);
  33
  34 /* Parse a string command into a driver action. */
  35 int pvr2_debugifc_docmd(struct pvr2_hdw *,
  36                         const char *buf_ptr,unsigned int buf_size);
  37
  38 #endif /* __PVRUSB2_DEBUGIFC_H */