Linux Kernel  3.7.1
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g_printer.h
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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 #ifndef __LINUX_USB_G_PRINTER_H
22 #define __LINUX_USB_G_PRINTER_H
23 
24 #define PRINTER_NOT_ERROR 0x08
25 #define PRINTER_SELECTED 0x10
26 #define PRINTER_PAPER_EMPTY 0x20
27 
28 /* The 'g' code is also used by gadgetfs ioctl requests.
29  * Don't add any colliding codes to either driver, and keep
30  * them in unique ranges (size 0x20 for now).
31  */
32 #define GADGET_GET_PRINTER_STATUS _IOR('g', 0x21, unsigned char)
33 #define GADGET_SET_PRINTER_STATUS _IOWR('g', 0x22, unsigned char)
34 
35 #endif /* __LINUX_USB_G_PRINTER_H */