|  | /* | 
|  | * g_printer.h -- Header file for USB Printer gadget driver | 
|  | * | 
|  | * Copyright (C) 2007 Craig W. Nadler | 
|  | * | 
|  | * This program is free software; you can redistribute it and/or modify | 
|  | * it under the terms of the GNU General Public License as published by | 
|  | * the Free Software Foundation; either version 2 of the License, or | 
|  | * (at your option) any later version. | 
|  | * | 
|  | * This program is distributed in the hope that it will be useful, | 
|  | * but WITHOUT ANY WARRANTY; without even the implied warranty of | 
|  | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the | 
|  | * GNU General Public License for more details. | 
|  | * | 
|  | * You should have received a copy of the GNU General Public License | 
|  | * along with this program; if not, write to the Free Software | 
|  | * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA | 
|  | */ | 
|  |  | 
|  | #ifndef __LINUX_USB_G_PRINTER_H | 
|  | #define __LINUX_USB_G_PRINTER_H | 
|  |  | 
|  | #define PRINTER_NOT_ERROR	0x08 | 
|  | #define PRINTER_SELECTED	0x10 | 
|  | #define PRINTER_PAPER_EMPTY	0x20 | 
|  |  | 
|  | /* The 'g' code is also used by gadgetfs ioctl requests. | 
|  | * Don't add any colliding codes to either driver, and keep | 
|  | * them in unique ranges (size 0x20 for now). | 
|  | */ | 
|  | #define GADGET_GET_PRINTER_STATUS	_IOR('g', 0x21, unsigned char) | 
|  | #define GADGET_SET_PRINTER_STATUS	_IOWR('g', 0x22, unsigned char) | 
|  |  | 
|  | #endif /* __LINUX_USB_G_PRINTER_H */ |