| 1 | /*
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| 2 | * Copyright (c) 2011 Vojtech Horky
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| 3 | * All rights reserved.
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| 4 | *
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| 5 | * Redistribution and use in source and binary forms, with or without
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| 6 | * modification, are permitted provided that the following conditions
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| 7 | * are met:
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| 8 | *
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| 9 | * - Redistributions of source code must retain the above copyright
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| 10 | * notice, this list of conditions and the following disclaimer.
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| 11 | * - Redistributions in binary form must reproduce the above copyright
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| 12 | * notice, this list of conditions and the following disclaimer in the
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| 13 | * documentation and/or other materials provided with the distribution.
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| 14 | * - The name of the author may not be used to endorse or promote products
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| 15 | * derived from this software without specific prior written permission.
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| 16 | *
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| 17 | * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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| 18 | * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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| 19 | * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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| 20 | * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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| 21 | * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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| 22 | * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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| 23 | * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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| 24 | * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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| 25 | * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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| 26 | * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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| 27 | */
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| 28 |
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| 29 | /** @addtogroup drvusbhub
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | * Hub ports related functions.
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| 34 | */
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| 35 | #ifndef DRV_USBHUB_PORTS_H
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| 36 | #define DRV_USBHUB_PORTS_H
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| 37 |
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| 38 | #include <usb/devdrv.h>
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| 39 | #include <usb/hub.h>
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| 40 |
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| 41 | typedef struct usb_hub_info_t usb_hub_info_t;
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| 42 |
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| 43 | /** Information about single port on a hub. */
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| 44 | typedef struct {
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| 45 | /** Mutex needed by CV for checking port reset. */
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| 46 | fibril_mutex_t reset_mutex;
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| 47 | /** CV for waiting to port reset completion. */
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| 48 | fibril_condvar_t reset_cv;
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| 49 | /** Whether port reset is completed.
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| 50 | * Guarded by @c reset_mutex.
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| 51 | */
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| 52 | bool reset_completed;
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| 53 | /** Whether to announce the port reset as successful. */
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| 54 | bool reset_okay;
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| 55 |
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| 56 | /** Information about attached device. */
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| 57 | usb_hc_attached_device_t attached_device;
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| 58 | } usb_hub_port_t;
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| 59 |
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| 60 | /** Initialize hub port information.
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| 61 | *
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| 62 | * @param port Port to be initialized.
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| 63 | */
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| 64 | static inline void usb_hub_port_init(usb_hub_port_t *port) {
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| 65 | port->attached_device.address = -1;
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| 66 | port->attached_device.handle = 0;
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| 67 | fibril_mutex_initialize(&port->reset_mutex);
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| 68 | fibril_condvar_initialize(&port->reset_cv);
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| 69 | }
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| 70 |
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| 71 |
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| 72 | void usb_hub_process_interrupt(usb_hub_info_t * hub,
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| 73 | uint16_t port);
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| 74 |
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| 75 |
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| 76 |
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| 77 | #endif
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| 78 | /**
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| 79 | * @}
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| 80 | */
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