source: mainline/uspace/lib/c/generic/device/hw_res.c@ 64d2b10

lfn serial ticket/834-toolchain-update topic/msim-upgrade topic/simplify-dev-export
Last change on this file since 64d2b10 was f724e82, checked in by Jiri Svoboda <jiri@…>, 14 years ago

Clean up hw_res interface client API.

  • Property mode set to 100644
File size: 2.3 KB
Line 
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 /** @addtogroup libc
30 * @{
31 */
32/** @file
33 */
34
35#include <device/hw_res.h>
36#include <errno.h>
37#include <async.h>
38#include <malloc.h>
39
40int hw_res_get_resource_list(int dev_phone, hw_resource_list_t *hw_resources)
41{
42 sysarg_t count = 0;
43
44 int rc = async_req_1_1(dev_phone, DEV_IFACE_ID(HW_RES_DEV_IFACE),
45 HW_RES_GET_RESOURCE_LIST, &count);
46
47 hw_resources->count = count;
48 if (rc != EOK)
49 return rc;
50
51 size_t size = count * sizeof(hw_resource_t);
52 hw_resources->resources = (hw_resource_t *)malloc(size);
53 if (!hw_resources->resources)
54 return ENOMEM;
55
56 rc = async_data_read_start(dev_phone, hw_resources->resources, size);
57 if (rc != EOK) {
58 free(hw_resources->resources);
59 hw_resources->resources = NULL;
60 return rc;
61 }
62
63 return EOK;
64}
65
66bool hw_res_enable_interrupt(int dev_phone)
67{
68 int rc = async_req_1_0(dev_phone, DEV_IFACE_ID(HW_RES_DEV_IFACE),
69 HW_RES_ENABLE_INTERRUPT);
70
71 return rc == EOK;
72}
73
74/** @}
75 */
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