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  • uspace/lib/usb/include/usb/hcd.h

    • Property mode changed from 100644 to 120000
    r3f45993 r3515533  
    1 /*
    2  * Copyright (c) 2010 Vojtech Horky
    3  * All rights reserved.
    4  *
    5  * Redistribution and use in source and binary forms, with or without
    6  * modification, are permitted provided that the following conditions
    7  * are met:
    8  *
    9  * - Redistributions of source code must retain the above copyright
    10  *   notice, this list of conditions and the following disclaimer.
    11  * - Redistributions in binary form must reproduce the above copyright
    12  *   notice, this list of conditions and the following disclaimer in the
    13  *   documentation and/or other materials provided with the distribution.
    14  * - The name of the author may not be used to endorse or promote products
    15  *   derived from this software without specific prior written permission.
    16  *
    17  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
    18  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
    19  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
    20  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
    21  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
    22  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
    23  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
    24  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
    25  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
    26  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
    27  */
    28 
    29 /** @addtogroup libusb usb
    30  * @{
    31  */
    32 /** @file
    33  * @brief HC driver.
    34  */
    35 #ifndef LIBUSB_HCD_H_
    36 #define LIBUSB_HCD_H_
    37 
    38 #include <usb/usb.h>
    39 #include <fibril_synch.h>
    40 #include <devman.h>
    41 
    42 /** Info about used address. */
    43 typedef struct {
    44         /** Linked list member. */
    45         link_t link;
    46         /** Address. */
    47         usb_address_t address;
    48         /** Corresponding devman handle. */
    49         devman_handle_t devman_handle;
    50 } usb_address_keeping_used_t;
    51 
    52 /** Structure for keeping track of free and used USB addresses. */
    53 typedef struct {
    54         /** Head of list of used addresses. */
    55         link_t used_addresses;
    56         /** Upper bound for USB addresses. */
    57         usb_address_t max_address;
    58         /** Mutex protecting used address. */
    59         fibril_mutex_t used_addresses_guard;
    60         /** Condition variable for used addresses. */
    61         fibril_condvar_t used_addresses_condvar;
    62 
    63         /** Condition variable mutex for default address. */
    64         fibril_mutex_t default_condvar_guard;
    65         /** Condition variable for default address. */
    66         fibril_condvar_t default_condvar;
    67         /** Whether is default address available. */
    68         bool default_available;
    69 } usb_address_keeping_t;
    70 
    71 void usb_address_keeping_init(usb_address_keeping_t *, usb_address_t);
    72 
    73 void usb_address_keeping_reserve_default(usb_address_keeping_t *);
    74 void usb_address_keeping_release_default(usb_address_keeping_t *);
    75 
    76 usb_address_t usb_address_keeping_request(usb_address_keeping_t *);
    77 int usb_address_keeping_release(usb_address_keeping_t *, usb_address_t);
    78 void usb_address_keeping_devman_bind(usb_address_keeping_t *, usb_address_t,
    79     devman_handle_t);
    80 usb_address_t usb_address_keeping_find(usb_address_keeping_t *,
    81     devman_handle_t);
    82 
    83 
    84 #endif
     1addrkeep.h
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