| 1 | /*
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| 2 | * Copyright (c) 2010 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 | * @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 <usb/usb.h>
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| 40 | #include <ddf/driver.h>
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| 41 |
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| 42 | #define NAME "usbhub"
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| 43 |
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| 44 | #include <usb/hub.h>
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| 45 |
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| 46 | #include <usb/pipes.h>
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| 47 | #include <usb/devdrv.h>
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| 48 |
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| 49 |
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| 50 | /** Hub status-change endpoint description
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| 51 | *
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| 52 | * For more see usb hub specification in 11.15.1 of
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| 53 | */
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| 54 | extern usb_endpoint_description_t hub_status_change_endpoint_description;
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| 55 |
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| 56 |
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| 57 |
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| 58 | /* Hub endpoints. */
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| 59 | /*typedef struct {
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| 60 | usb_pipe_t control;
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| 61 | usb_pipe_t status_change;
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| 62 | } usb_hub_endpoints_t;
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| 63 | */
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| 64 |
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| 65 |
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| 66 | /** Information about attached hub. */
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| 67 | typedef struct {
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| 68 | /** Number of ports. */
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| 69 | int port_count;
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| 70 |
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| 71 | /** attached device handles, for each port one */
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| 72 | usb_hc_attached_device_t * attached_devs;
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| 73 |
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| 74 | /** connection to hcd */
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| 75 | usb_hc_connection_t connection;
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| 76 |
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| 77 | /** default address is used indicator
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| 78 | *
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| 79 | * If default address is requested by this device, it cannot
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| 80 | * be requested by the same hub again, otherwise a deadlock will occur.
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| 81 | */
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| 82 | bool is_default_address_used;
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| 83 |
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| 84 | /** convenience pointer to status change pipe
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| 85 | *
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| 86 | * Status change pipe is initialized in usb_device structure. This is
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| 87 | * pointer into this structure, so that it does not have to be
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| 88 | * searched again and again for the 'right pipe'.
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| 89 | */
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| 90 | usb_pipe_t * status_change_pipe;
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| 91 |
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| 92 | /** convenience pointer to control pipe
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| 93 | *
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| 94 | * Control pipe is initialized in usb_device structure. This is
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| 95 | * pointer into this structure, so that it does not have to be
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| 96 | * searched again and again for the 'right pipe'.
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| 97 | */
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| 98 | usb_pipe_t * control_pipe;
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| 99 |
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| 100 | /** generic usb device data*/
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| 101 | usb_device_t * usb_device;
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| 102 | } usb_hub_info_t;
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| 103 |
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| 104 | /**
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| 105 | * function running the hub-controlling loop.
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| 106 | * @param hub_info_param hub info pointer
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| 107 | */
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| 108 | int usb_hub_control_loop(void * hub_info_param);
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| 109 |
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| 110 | /**
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| 111 | * Check changes on specified hub
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| 112 | * @param hub_info_param pointer to usb_hub_info_t structure
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| 113 | * @return error code if there is problem when initializing communication with
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| 114 | * hub, EOK otherwise
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| 115 | */
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| 116 | int usb_hub_check_hub_changes(usb_hub_info_t * hub_info_param);
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| 117 |
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| 118 |
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| 119 | int usb_hub_add_device(usb_device_t * usb_dev);
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| 120 |
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| 121 | #endif
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| 122 | /**
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| 123 | * @}
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| 124 | */
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