include/linux/usb/g_printer.h

   1 /*
   2  * g_printer.h -- Header file for USB Printer gadget driver
   3  *
   4  * Copyright (C) 2007 Craig W. Nadler
   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, or
   9  * (at your option) any later version.
  10  *
  11  * This program is distributed in the hope that it will be useful,
  12  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  * GNU General Public License for more details.
  15  *
  16  * You should have received a copy of the GNU General Public License
  17  * along with this program; if not, write to the Free Software
  18  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
  19  */
  20
  21
  22 #define PRINTER_NOT_ERROR       0x08
  23 #define PRINTER_SELECTED        0x10
  24 #define PRINTER_PAPER_EMPTY     0x20
  25
  26 /* The 'g' code is also used by gadgetfs ioctl requests.
  27  * Don't add any colliding codes to either driver, and keep
  28  * them in unique ranges (size 0x20 for now).
  29  */
  30 #define GADGET_GET_PRINTER_STATUS       _IOR('g', 0x21, unsigned char)
  31 #define GADGET_SET_PRINTER_STATUS       _IOWR('g', 0x22, unsigned char)