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 */ 37