source: mainline/uspace/lib/drv/generic/interrupt.c@ 832cbe7

Last change on this file since 832cbe7 was 60744cb, checked in by Jiri Svoboda <jiri@…>, 14 months ago

Let driver specify any argument to IRQ handler

This allows the driver to register a single handler for multiple
interrupts and still distinguish between them. It also removes
the extra step of having to get softstate from ddf_dev_t.

  • Property mode set to 100644
File size: 2.0 KB
Line 
1/*
2 * Copyright (c) 2024 Jiri Svoboda
3 * Copyright (c) 2010 Lenka Trochtova
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * - Redistributions of source code must retain the above copyright
11 * notice, this list of conditions and the following disclaimer.
12 * - Redistributions in binary form must reproduce the above copyright
13 * notice, this list of conditions and the following disclaimer in the
14 * documentation and/or other materials provided with the distribution.
15 * - The name of the author may not be used to endorse or promote products
16 * derived from this software without specific prior written permission.
17 *
18 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
19 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
20 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
21 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
22 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
23 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
24 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
25 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
26 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
27 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30/**
31 * @addtogroup libdrv
32 * @{
33 */
34
35/** @file
36 */
37
38#include <async.h>
39#include <errno.h>
40#include <macros.h>
41
42#include "ddf/interrupt.h"
43#include "private/driver.h"
44
45errno_t register_interrupt_handler(ddf_dev_t *dev, int irq,
46 interrupt_handler_t *handler, void *arg, const irq_code_t *irq_code,
47 cap_irq_handle_t *handle)
48{
49 (void)dev;
50 return async_irq_subscribe(irq, (async_notification_handler_t) handler,
51 arg, irq_code, handle);
52}
53
54errno_t unregister_interrupt_handler(ddf_dev_t *dev, cap_irq_handle_t handle)
55{
56 return async_irq_unsubscribe(handle);
57}
58
59/**
60 * @}
61 */
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