| 1 | /*
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| 2 | * Copyright (c) 2010 Vojtech Horky
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| 3 | * Copyright (c) 2011 Vojtech Horky
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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 | /** @addtogroup drvusbhub
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| 30 | * @{
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| 31 | */
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| 32 | /** @file
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| 33 | * @brief Hub driver.
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| 34 | */
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| 35 | #ifndef DRV_USBHUB_USBHUB_H
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| 36 | #define DRV_USBHUB_USBHUB_H
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| 37 |
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| 38 | #include <ipc/devman.h>
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| 39 | #include <ddf/driver.h>
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| 40 |
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| 41 | #include <usb/classes/hub.h>
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| 42 |
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| 43 | #include <usb/dev/pipes.h>
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| 44 | #include <usb/dev/driver.h>
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| 45 |
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| 46 | #include <fibril_synch.h>
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| 47 |
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| 48 | #define NAME "usbhub"
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| 49 |
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| 50 | #include "port.h"
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| 51 |
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| 52 | /** Information about attached hub. */
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| 53 | struct usb_hub_dev {
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| 54 | /** Number of ports. */
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| 55 | size_t port_count;
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| 56 | /** Port structures, one for each port */
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| 57 | usb_hub_port_t *ports;
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| 58 | /** Generic usb device data*/
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| 59 | usb_device_t *usb_device;
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| 60 |
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| 61 | /** Number of pending operations on the mutex to prevent shooting
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| 62 | * ourselves in the foot.
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| 63 | * When the hub is disconnected but we are in the middle of some
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| 64 | * operation, we cannot destroy this structure right away because
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| 65 | * the pending operation might use it.
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| 66 | */
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| 67 | size_t pending_ops_count;
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| 68 | /** Guard for pending_ops_count. */
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| 69 | fibril_mutex_t pending_ops_mutex;
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| 70 | /** Condition variable for pending_ops_count. */
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| 71 | fibril_condvar_t pending_ops_cv;
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| 72 | /** Pointer to devman usbhub function. */
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| 73 | ddf_fun_t *hub_fun;
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| 74 | /** Status indicator */
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| 75 | bool running;
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| 76 | /** Hub supports port power switching. */
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| 77 | bool power_switched;
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| 78 | /** Each port is switched individually. */
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| 79 | bool per_port_power;
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| 80 | };
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| 81 |
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| 82 | extern const usb_endpoint_description_t hub_status_change_endpoint_description;
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| 83 |
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| 84 | int usb_hub_device_add(usb_device_t *usb_dev);
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| 85 | int usb_hub_device_remove(usb_device_t *usb_dev);
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| 86 | int usb_hub_device_gone(usb_device_t *usb_dev);
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| 87 |
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| 88 | bool hub_port_changes_callback(usb_device_t *dev,
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| 89 | uint8_t *change_bitmap, size_t change_bitmap_size, void *arg);
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| 90 |
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| 91 | #endif
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| 92 | /**
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| 93 | * @}
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| 94 | */
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