linux-headers (unknown)

(root)/
include/
linux/
usb/
g_printer.h
       1  /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
       2  /*
       3   * g_printer.h -- Header file for USB Printer gadget driver
       4   *
       5   * Copyright (C) 2007 Craig W. Nadler
       6   *
       7   * This program is free software; you can redistribute it and/or modify
       8   * it under the terms of the GNU General Public License as published by
       9   * the Free Software Foundation; either version 2 of the License, or
      10   * (at your option) any later version.
      11   *
      12   * This program is distributed in the hope that it will be useful,
      13   * but WITHOUT ANY WARRANTY; without even the implied warranty of
      14   * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
      15   * GNU General Public License for more details.
      16   *
      17   * You should have received a copy of the GNU General Public License
      18   * along with this program; if not, write to the Free Software
      19   * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
      20   */
      21  
      22  #ifndef __LINUX_USB_G_PRINTER_H
      23  #define __LINUX_USB_G_PRINTER_H
      24  
      25  #define PRINTER_NOT_ERROR	0x08
      26  #define PRINTER_SELECTED	0x10
      27  #define PRINTER_PAPER_EMPTY	0x20
      28  
      29  /* The 'g' code is also used by gadgetfs ioctl requests.
      30   * Don't add any colliding codes to either driver, and keep
      31   * them in unique ranges (size 0x20 for now).
      32   */
      33  #define GADGET_GET_PRINTER_STATUS	_IOR('g', 0x21, unsigned char)
      34  #define GADGET_SET_PRINTER_STATUS	_IOWR('g', 0x22, unsigned char)
      35  
      36  #endif /* __LINUX_USB_G_PRINTER_H */