source: mainline/uspace/lib/c/generic/device/pio_window.c@ 48bd6f4

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 48bd6f4 was 48bd6f4, checked in by Jakub Jermar <jakub@…>, 12 years ago

Add PIO_WINDOW_DEV_IFACE and support methods.

  • Property mode set to 100644
File size: 2.0 KB
Line 
1/*
2 * Copyright (c) 2013 Jakub Jermar
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 libc
30 * @{
31 */
32/** @file
33 */
34
35#include <device/pio_window.h>
36#include <errno.h>
37#include <async.h>
38
39int pio_window_get(async_sess_t *sess, pio_window_t *pio_win)
40{
41 int rc;
42
43 async_exch_t *exch = async_exchange_begin(sess);
44 if (!exch)
45 return ENOMEM;
46
47 rc = async_req_1_0(exch, DEV_IFACE_ID(PIO_WINDOW_DEV_IFACE),
48 PIO_WINDOW_GET);
49 if (rc != EOK) {
50 async_exchange_end(exch);
51 return rc;
52 }
53
54 rc = async_data_read_start(exch, pio_win, sizeof(*pio_win));
55 async_exchange_end(exch);
56
57 return rc;
58}
59
60/** @}
61 */
62
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