source: mainline/uspace/drv/bus/usb/usbhub/status.h@ 45457265

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 45457265 was cd3fa47, checked in by Ondřej Hlavatý <aearsis@…>, 8 years ago

usb: definition of status bits have changed between USB 2 and 3, remove the confusion

  • Property mode set to 100644
File size: 2.5 KB
Line 
1/*
2 * Copyright (c) 2010 Matus Dekanek
3 * Copyright (c) 2011 Jan Vesely
4 * 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 *
10 * - Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * - 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 * - The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30/** @addtogroup drvusbhub
31 * @{
32 */
33
34#ifndef HUB_STATUS_H
35#define HUB_STATUS_H
36
37#include <usb/dev/request.h>
38
39/**
40 * structure holding hub status and changes flags.
41 *
42 * For more information refer to table 11.16.2.5 in
43 * "Universal Serial Bus Specification Revision 1.1"
44 *
45 */
46typedef uint32_t usb_hub_status_t;
47#define USB_HUB_STATUS_OVER_CURRENT \
48 (uint32_usb2host(1 << (USB_HUB_FEATURE_HUB_OVER_CURRENT)))
49#define USB_HUB_STATUS_LOCAL_POWER \
50 (uint32_usb2host(1 << (USB_HUB_FEATURE_HUB_LOCAL_POWER)))
51
52#define USB_HUB_STATUS_C_OVER_CURRENT \
53 (uint32_usb2host(1 << (16 + USB_HUB_FEATURE_C_HUB_OVER_CURRENT)))
54#define USB_HUB_STATUS_C_LOCAL_POWER \
55 (uint32_usb2host(1 << (16 + USB_HUB_FEATURE_C_HUB_LOCAL_POWER)))
56
57static inline usb_speed_t usb_port_speed(usb_speed_t hub_speed, uint32_t status)
58{
59 if (hub_speed == USB_SPEED_SUPER)
60 return USB_SPEED_SUPER;
61 if (hub_speed == USB_SPEED_HIGH && (status & USB2_HUB_PORT_STATUS_HIGH_SPEED))
62 return USB_SPEED_HIGH;
63 if ((status & USB2_HUB_PORT_STATUS_LOW_SPEED) != 0)
64 return USB_SPEED_LOW;
65 return USB_SPEED_FULL;
66}
67
68#endif
69
70/**
71 * @}
72 */
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