uspace/lib/drv/generic/interrupt.c

   1 /*
   2  * Copyright (c) 2010 Lenka Trochtova
   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 /**
  30  * @addtogroup libdrv
  31  * @{
  32  */
  33
  34 /** @file
  35  */
  36
  37 #include <async.h>
  38 #include <errno.h>
  39 #include <macros.h>
  40
  41 #include "ddf/interrupt.h"
  42 #include "private/driver.h"
  43
  44 errno_t register_interrupt_handler(ddf_dev_t *dev, int irq,
  45     interrupt_handler_t *handler, const irq_code_t *irq_code,
  46     cap_irq_handle_t *handle)
  47 {
  48         return async_irq_subscribe(irq, (async_notification_handler_t) handler,
  49             dev, irq_code, handle);
  50 }
  51
  52 errno_t unregister_interrupt_handler(ddf_dev_t *dev, cap_irq_handle_t handle)
  53 {
  54         return async_irq_unsubscribe(handle);
  55 }
  56
  57 /**
  58  * @}
  59  */