1 /*
2 * Copyright (c) 2021 Huawei Device Co., Ltd.
3 *
4 * Permission is hereby granted, free of charge, to any person obtaining
5 * a copy of this software and associated documentation files (the
6 * "Software"), to deal in the Software without restriction, including
7 * without limitation the rights to use, copy, modify, merge, publish,
8 * distribute, sublicense, and/or sell copies of the Software, and to
9 * permit persons to whom the Software is furnished to do so, subject to
10 * the following conditions:
11 *
12 * The above copyright notice and this permission notice (including the
13 * next paragraph) shall be included in all copies or substantial
14 * portions of the Software.
15 *
16 * THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
17 * EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
19 * NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS
20 * BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN
21 * ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
22 * CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
23 * SOFTWARE.
24 */
25
26 #include <memory.h>
27
28 #include "libweston/libweston.h"
29 #include "libweston/backend-hdi.h"
30
31 #include "hdi_backend.h"
32
33 #include "libweston/trace.h"
34 DEFINE_LOG_LABEL("HdiModule");
35
36 WL_EXPORT int
weston_backend_init(struct weston_compositor * compositor,struct weston_backend_config * config_base)37 weston_backend_init(struct weston_compositor *compositor,
38 struct weston_backend_config *config_base)
39 {
40 LOG_ENTER();
41 if (config_base == NULL ||
42 config_base->struct_version != WESTON_HDI_BACKEND_CONFIG_VERSION ||
43 config_base->struct_size > sizeof(struct weston_hdi_backend_config)) {
44 weston_log("hdi backend config structure is invalid\n");
45 LOG_EXIT();
46 return -1;
47 }
48
49 struct weston_hdi_backend_config config;
50 memcpy(&config, config_base, config_base->struct_size);
51 struct hdi_backend *b = hdi_backend_create(compositor, &config);
52 LOG_EXIT();
53 return b != NULL ? 0 : -1;
54 }
55