xref: /freebsd/sys/dev/usb/usb_core.c (revision 783d3ff6d7fae619db8a7990b8a6387de0c677b5)
1 /*-
2  * SPDX-License-Identifier: BSD-2-Clause
3  *
4  * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
5  *
6  * Redistribution and use in source and binary forms, with or without
7  * modification, are permitted provided that the following conditions
8  * are met:
9  * 1. Redistributions of source code must retain the above copyright
10  *    notice, this list of conditions and the following disclaimer.
11  * 2. Redistributions in binary form must reproduce the above copyright
12  *    notice, this list of conditions and the following disclaimer in the
13  *    documentation and/or other materials provided with the distribution.
14  *
15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25  * SUCH DAMAGE.
26  */
27 
28 /*
29  * USB specifications and other documentation can be found at
30  * http://www.usb.org/developers/docs/ and
31  * http://www.usb.org/developers/devclass_docs/
32  */
33 
34 #ifdef USB_GLOBAL_INCLUDE_FILE
35 #include USB_GLOBAL_INCLUDE_FILE
36 #else
37 #include <sys/stdint.h>
38 #include <sys/stddef.h>
39 #include <sys/param.h>
40 #include <sys/queue.h>
41 #include <sys/types.h>
42 #include <sys/systm.h>
43 #include <sys/kernel.h>
44 #include <sys/bus.h>
45 #include <sys/module.h>
46 #include <sys/lock.h>
47 #include <sys/mutex.h>
48 #include <sys/condvar.h>
49 #include <sys/sysctl.h>
50 #include <sys/sx.h>
51 #include <sys/unistd.h>
52 #include <sys/callout.h>
53 #include <sys/malloc.h>
54 #include <sys/priv.h>
55 #include <sys/proc.h>
56 #include <sys/kdb.h>
57 
58 #include <dev/usb/usb.h>
59 #include <dev/usb/usbdi.h>
60 #endif			/* USB_GLOBAL_INCLUDE_FILE */
61 
62 const struct usb_string_lang usb_string_lang_en = {
63 	sizeof(usb_string_lang_en), UDESC_STRING,
64 	{ 0x09, 0x04 } /* American English */
65 };
66 
67 MALLOC_DEFINE(M_USB, "USB", "USB");
68 MALLOC_DEFINE(M_USBDEV, "USBdev", "USB device");
69 
70 int
71 usbd_in_polling_mode(void)
72 {
73 	return (USB_IN_POLLING_MODE_VALUE());
74 }
75 
76 void
77 usbd_dummy_timeout(void *arg)
78 {
79 	/* NOP */
80 }
81 
82 MODULE_VERSION(usb, 1);
83