| 1 | /*
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| 2 | * Copyright (c) 2010 Matus Dekanek
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| 3 | * Copyright (c) 2011 Jan Vesely
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| 4 | * All rights reserved.
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| 5 | *
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| 6 | * Redistribution and use in source and binary forms, with or without
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| 7 | * modification, are permitted provided that the following conditions
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| 8 | * are met:
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| 9 | *
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| 10 | * - Redistributions of source code must retain the above copyright
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| 11 | * notice, this list of conditions and the following disclaimer.
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| 12 | * - Redistributions in binary form must reproduce the above copyright
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| 13 | * notice, this list of conditions and the following disclaimer in the
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| 14 | * documentation and/or other materials provided with the distribution.
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| 15 | * - The name of the author may not be used to endorse or promote products
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| 16 | * derived from this software without specific prior written permission.
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| 17 | *
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| 18 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 19 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 20 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 21 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 22 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 23 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 24 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 25 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 26 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 27 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 28 | */
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| 29 |
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| 30 | /** @addtogroup drvusbhub
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| 31 | * @{
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| 32 | */
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| 33 |
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| 34 | #ifndef HUB_STATUS_H
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| 35 | #define HUB_STATUS_H
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| 36 |
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| 37 | #include <usb/dev/request.h>
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| 38 |
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| 39 | /**
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| 40 | * structure holding hub status and changes flags.
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| 41 | *
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| 42 | * For more information refer to table 11.16.2.5 in
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| 43 | * "Universal Serial Bus Specification Revision 1.1"
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| 44 | *
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| 45 | */
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| 46 | typedef uint32_t usb_hub_status_t;
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| 47 | #define USB_HUB_STATUS_OVER_CURRENT \
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| 48 | (uint32_usb2host(1 << (USB_HUB_FEATURE_HUB_OVER_CURRENT)))
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| 49 | #define USB_HUB_STATUS_LOCAL_POWER \
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| 50 | (uint32_usb2host(1 << (USB_HUB_FEATURE_HUB_LOCAL_POWER)))
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| 51 |
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| 52 | #define USB_HUB_STATUS_C_OVER_CURRENT \
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| 53 | (uint32_usb2host(1 << (16 + USB_HUB_FEATURE_C_HUB_OVER_CURRENT)))
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| 54 | #define USB_HUB_STATUS_C_LOCAL_POWER \
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| 55 | (uint32_usb2host(1 << (16 + USB_HUB_FEATURE_C_HUB_LOCAL_POWER)))
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| 56 |
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| 57 | static inline usb_speed_t usb_port_speed(usb_speed_t hub_speed, uint32_t status)
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| 58 | {
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| 59 | if (hub_speed == USB_SPEED_SUPER)
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| 60 | return USB_SPEED_SUPER;
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| 61 | if (hub_speed == USB_SPEED_HIGH &&
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| 62 | (status & USB2_HUB_PORT_STATUS_HIGH_SPEED))
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| 63 | return USB_SPEED_HIGH;
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| 64 | if ((status & USB2_HUB_PORT_STATUS_LOW_SPEED) != 0)
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| 65 | return USB_SPEED_LOW;
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| 66 | return USB_SPEED_FULL;
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| 67 | }
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| 68 |
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| 69 | #endif
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| 70 |
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| 71 | /**
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| 72 | * @}
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| 73 | */
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