1/*
 2 * u_printer.h
 3 *
 4 * Utility definitions for the printer function
 5 *
 6 * Copyright (c) 2015 Samsung Electronics Co., Ltd.
 7 *		http://www.samsung.com
 8 *
 9 * Author: Andrzej Pietrasiewicz <andrzej.p@samsung.com>
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License version 2 as
13 * published by the Free Software Foundation.
14 */
15
16#ifndef U_PRINTER_H
17#define U_PRINTER_H
18
19#include <linux/usb/composite.h>
20
21#define PNP_STRING_LEN			1024
22
23struct f_printer_opts {
24	struct usb_function_instance	func_inst;
25	int				minor;
26	char				pnp_string[PNP_STRING_LEN];
27	unsigned			q_len;
28
29	/*
30	 * Protect the data from concurrent access by read/write
31	 * and create symlink/remove symlink
32	 */
33	struct mutex			lock;
34	int				refcnt;
35};
36
37#endif /* U_PRINTER_H */