1 /*
2  * usbfs header structures
3  * Copyright (C) 2007 Daniel Drake <dsd@gentoo.org>
4  * Copyright (c) 2001 Johannes Erdfelt <johannes@erdfelt.com>
5  *
6  * This library is free software; you can redistribute it and/or
7  * modify it under the terms of the GNU Lesser General Public
8  * License as published by the Free Software Foundation; either
9  * version 2.1 of the License, or (at your option) any later version.
10  *
11  * This library 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 GNU
14  * Lesser General Public License for more details.
15  *
16  * You should have received a copy of the GNU Lesser General Public
17  * License along with this library; if not, write to the Free Software
18  * Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
19  */
20 
21 #ifndef __LIBUSB_USBFS_H__
22 #define __LIBUSB_USBFS_H__
23 
24 #define SYSFS_DEVICE_PATH "/sys/bus/usb/devices"
25 
26 struct usbfs_ctrltransfer {
27 	/* keep in sync with usbdevice_fs.h:usbdevfs_ctrltransfer */
28 	uint8_t  bmRequestType;
29 	uint8_t  bRequest;
30 	uint16_t wValue;
31 	uint16_t wIndex;
32 	uint16_t wLength;
33 
34 	uint32_t timeout;	/* in milliseconds */
35 
36 	/* pointer to data */
37 	void *data;
38 };
39 
40 struct usbfs_bulktransfer {
41 	/* keep in sync with usbdevice_fs.h:usbdevfs_bulktransfer */
42 	unsigned int ep;
43 	unsigned int len;
44 	unsigned int timeout;	/* in milliseconds */
45 
46 	/* pointer to data */
47 	void *data;
48 };
49 
50 struct usbfs_setinterface {
51 	/* keep in sync with usbdevice_fs.h:usbdevfs_setinterface */
52 	unsigned int interface;
53 	unsigned int altsetting;
54 };
55 
56 #define USBFS_MAXDRIVERNAME 255
57 
58 struct usbfs_getdriver {
59 	unsigned int interface;
60 	char driver[USBFS_MAXDRIVERNAME + 1];
61 };
62 
63 #define USBFS_URB_SHORT_NOT_OK		0x01
64 #define USBFS_URB_ISO_ASAP			0x02
65 #define USBFS_URB_BULK_CONTINUATION	0x04
66 #define USBFS_URB_QUEUE_BULK		0x10
67 
68 enum usbfs_urb_type {
69 	USBFS_URB_TYPE_ISO = 0,
70 	USBFS_URB_TYPE_INTERRUPT = 1,
71 	USBFS_URB_TYPE_CONTROL = 2,
72 	USBFS_URB_TYPE_BULK = 3,
73 };
74 
75 struct usbfs_iso_packet_desc {
76 	unsigned int length;
77 	unsigned int actual_length;
78 	unsigned int status;
79 };
80 
81 #define MAX_ISO_BUFFER_LENGTH		32768
82 #define MAX_BULK_BUFFER_LENGTH		16384
83 #define MAX_CTRL_BUFFER_LENGTH		4096
84 
85 struct usbfs_urb {
86 	unsigned char type;
87 	unsigned char endpoint;
88 	int status;
89 	unsigned int flags;
90 	void *buffer;
91 	int buffer_length;
92 	int actual_length;
93 	int start_frame;
94 	int number_of_packets;
95 	int error_count;
96 	unsigned int signr;
97 	void *usercontext;
98 	struct usbfs_iso_packet_desc iso_frame_desc[0];
99 };
100 
101 struct usbfs_connectinfo {
102 	unsigned int devnum;
103 	unsigned char slow;
104 };
105 
106 struct usbfs_ioctl {
107 	int ifno;	/* interface 0..N ; negative numbers reserved */
108 	int ioctl_code;	/* MUST encode size + direction of data so the
109 			 * macros in <asm/ioctl.h> give correct values */
110 	void *data;	/* param buffer (in, or out) */
111 };
112 
113 struct usbfs_hub_portinfo {
114 	unsigned char numports;
115 	unsigned char port[127];	/* port to device num mapping */
116 };
117 
118 #define IOCTL_USBFS_CONTROL	_IOWR('U', 0, struct usbfs_ctrltransfer)
119 #define IOCTL_USBFS_BULK		_IOWR('U', 2, struct usbfs_bulktransfer)
120 #define IOCTL_USBFS_RESETEP	_IOR('U', 3, unsigned int)
121 #define IOCTL_USBFS_SETINTF	_IOR('U', 4, struct usbfs_setinterface)
122 #define IOCTL_USBFS_SETCONFIG	_IOR('U', 5, unsigned int)
123 #define IOCTL_USBFS_GETDRIVER	_IOW('U', 8, struct usbfs_getdriver)
124 #define IOCTL_USBFS_SUBMITURB	_IOR('U', 10, struct usbfs_urb)
125 #define IOCTL_USBFS_DISCARDURB	_IO('U', 11)
126 #define IOCTL_USBFS_REAPURB	_IOW('U', 12, void *)
127 #define IOCTL_USBFS_REAPURBNDELAY	_IOW('U', 13, void *)
128 #define IOCTL_USBFS_CLAIMINTF	_IOR('U', 15, unsigned int)
129 #define IOCTL_USBFS_RELEASEINTF	_IOR('U', 16, unsigned int)
130 #define IOCTL_USBFS_CONNECTINFO	_IOW('U', 17, struct usbfs_connectinfo)
131 #define IOCTL_USBFS_IOCTL         _IOWR('U', 18, struct usbfs_ioctl)
132 #define IOCTL_USBFS_HUB_PORTINFO	_IOR('U', 19, struct usbfs_hub_portinfo)
133 #define IOCTL_USBFS_RESET		_IO('U', 20)
134 #define IOCTL_USBFS_CLEAR_HALT	_IOR('U', 21, unsigned int)
135 #define IOCTL_USBFS_DISCONNECT	_IO('U', 22)
136 #define IOCTL_USBFS_CONNECT	_IO('U', 23)
137 
138 #endif
139