xref: /freebsd/sys/dev/usb/usb_core.c (revision ca987d4641cdcd7f27e153db17c5bf064934faf5)
1 /* $FreeBSD$ */
2 /*-
3  * Copyright (c) 2008 Hans Petter Selasky. All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  * 1. Redistributions of source code must retain the above copyright
9  *    notice, this list of conditions and the following disclaimer.
10  * 2. Redistributions in binary form must reproduce the above copyright
11  *    notice, this list of conditions and the following disclaimer in the
12  *    documentation and/or other materials provided with the distribution.
13  *
14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17  * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24  * SUCH DAMAGE.
25  */
26 
27 /*
28  * USB specifications and other documentation can be found at
29  * http://www.usb.org/developers/docs/ and
30  * http://www.usb.org/developers/devclass_docs/
31  */
32 
33 #ifdef USB_GLOBAL_INCLUDE_FILE
34 #include USB_GLOBAL_INCLUDE_FILE
35 #else
36 #include <sys/stdint.h>
37 #include <sys/stddef.h>
38 #include <sys/param.h>
39 #include <sys/queue.h>
40 #include <sys/types.h>
41 #include <sys/systm.h>
42 #include <sys/kernel.h>
43 #include <sys/bus.h>
44 #include <sys/module.h>
45 #include <sys/lock.h>
46 #include <sys/mutex.h>
47 #include <sys/condvar.h>
48 #include <sys/sysctl.h>
49 #include <sys/sx.h>
50 #include <sys/unistd.h>
51 #include <sys/callout.h>
52 #include <sys/malloc.h>
53 #include <sys/priv.h>
54 #include <sys/proc.h>
55 #include <sys/kdb.h>
56 
57 #include <dev/usb/usb.h>
58 #include <dev/usb/usbdi.h>
59 #endif			/* USB_GLOBAL_INCLUDE_FILE */
60 
61 const struct usb_string_lang usb_string_lang_en = {
62 	sizeof(usb_string_lang_en), UDESC_STRING,
63 	{ 0x09, 0x04 } /* American English */
64 };
65 
66 MALLOC_DEFINE(M_USB, "USB", "USB");
67 MALLOC_DEFINE(M_USBDEV, "USBdev", "USB device");
68 
69 int
70 usbd_in_polling_mode(void)
71 {
72 	return (USB_IN_POLLING_MODE_VALUE());
73 }
74 
75 void
76 usbd_dummy_timeout(void *arg)
77 {
78 	/* NOP */
79 }
80 
81 MODULE_VERSION(usb, 1);
82