xref: /freebsd/sys/dev/usb/usb_core.c (revision eb69d1f144a6fcc765d1b9d44a5ae8082353e70b)
1 /* $FreeBSD$ */
2 /*-
3  * SPDX-License-Identifier: BSD-2-Clause-FreeBSD
4  *
5  * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
18  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
19  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
20  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
21  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
22  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
23  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
24  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
25  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
26  * SUCH DAMAGE.
27  */
28 
29 /*
30  * USB specifications and other documentation can be found at
31  * http://www.usb.org/developers/docs/ and
32  * http://www.usb.org/developers/devclass_docs/
33  */
34 
35 #ifdef USB_GLOBAL_INCLUDE_FILE
36 #include USB_GLOBAL_INCLUDE_FILE
37 #else
38 #include <sys/stdint.h>
39 #include <sys/stddef.h>
40 #include <sys/param.h>
41 #include <sys/queue.h>
42 #include <sys/types.h>
43 #include <sys/systm.h>
44 #include <sys/kernel.h>
45 #include <sys/bus.h>
46 #include <sys/module.h>
47 #include <sys/lock.h>
48 #include <sys/mutex.h>
49 #include <sys/condvar.h>
50 #include <sys/sysctl.h>
51 #include <sys/sx.h>
52 #include <sys/unistd.h>
53 #include <sys/callout.h>
54 #include <sys/malloc.h>
55 #include <sys/priv.h>
56 #include <sys/proc.h>
57 #include <sys/kdb.h>
58 
59 #include <dev/usb/usb.h>
60 #include <dev/usb/usbdi.h>
61 #endif			/* USB_GLOBAL_INCLUDE_FILE */
62 
63 const struct usb_string_lang usb_string_lang_en = {
64 	sizeof(usb_string_lang_en), UDESC_STRING,
65 	{ 0x09, 0x04 } /* American English */
66 };
67 
68 MALLOC_DEFINE(M_USB, "USB", "USB");
69 MALLOC_DEFINE(M_USBDEV, "USBdev", "USB device");
70 
71 int
72 usbd_in_polling_mode(void)
73 {
74 	return (USB_IN_POLLING_MODE_VALUE());
75 }
76 
77 void
78 usbd_dummy_timeout(void *arg)
79 {
80 	/* NOP */
81 }
82 
83 MODULE_VERSION(usb, 1);
84