linux/usb/g_printer.h

0001 /* SPDX-License-Identifier: GPL-2.0+ WITH Linux-syscall-note */
0002 /*
0003  * g_printer.h -- Header file for USB Printer gadget driver
0004  *
0005  * Copyright (C) 2007 Craig W. Nadler
0006  *
0007  * This program is free software; you can redistribute it and/or modify
0008  * it under the terms of the GNU General Public License as published by
0009  * the Free Software Foundation; either version 2 of the License, or
0010  * (at your option) any later version.
0011  *
0012  * This program is distributed in the hope that it will be useful,
0013  * but WITHOUT ANY WARRANTY; without even the implied warranty of
0014  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
0015  * GNU General Public License for more details.
0016  *
0017  * You should have received a copy of the GNU General Public License
0018  * along with this program; if not, write to the Free Software
0019  * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
0020  */
0021
0022 #ifndef __LINUX_USB_G_PRINTER_H
0023 #define __LINUX_USB_G_PRINTER_H
0024
0025 #define PRINTER_NOT_ERROR   0x08
0026 #define PRINTER_SELECTED    0x10
0027 #define PRINTER_PAPER_EMPTY 0x20
0028
0029 /* The 'g' code is also used by gadgetfs ioctl requests.
0030  * Don't add any colliding codes to either driver, and keep
0031  * them in unique ranges (size 0x20 for now).
0032  */
0033 #define GADGET_GET_PRINTER_STATUS   _IOR('g', 0x21, unsigned char)
0034 #define GADGET_SET_PRINTER_STATUS   _IOWR('g', 0x22, unsigned char)
0035
0036 #endif /* __LINUX_USB_G_PRINTER_H */