1 /*
2 * Copyright (c) 2014, The Linux Foundation. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions are
6 * met:
7 * * Redistributions of source code must retain the above copyright
8 * notice, this list of conditions and the following disclaimer.
9 * * Redistributions in binary form must reproduce the above
10 * copyright notice, this list of conditions and the following
11 * disclaimer in the documentation and/or other materials provided
12 * with the distribution.
13 * * Neither the name of The Linux Foundation nor the names of its
14 * contributors may be used to endorse or promote products derived
15 * from this software without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
18 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
19 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
21 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
22 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
23 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
24 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
25 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
26 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
27 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
28 */
29
30 #ifndef ANDROID_QDCM_H
31 #define ANDROID_QDCM_H
32
33 #include <utils/Errors.h>
34 #include <sys/types.h>
35 #include <cutils/log.h>
36 #include <hwc_utils.h>
37 #include <dlfcn.h>
38 #include <binder/Parcel.h>
39 #include <cutils/properties.h>
40
41 #define QDCM_DEBUG 0
42
43 namespace qmode {
44 class ModeManager;
45 }
46
47 using namespace android;
48
49 namespace qQdcm {
50 // ----------------------------------------------------------------------------
51
52 //function prototypes used for QDCM library and service
loadQdcmLibrary(hwc_context_t * ctx)53 static inline void loadQdcmLibrary(hwc_context_t *ctx)
54 {
55 ctx->mQdcmInfo.mQdcmLib = dlopen("libmm-qdcm.so", RTLD_NOW);
56 qmode::ModeManager* (*factory)() = NULL;
57
58 if (ctx->mQdcmInfo.mQdcmLib)
59 *(void **)&factory = dlsym(ctx->mQdcmInfo.mQdcmLib, "getObject");
60
61 if (factory) {
62 ctx->mQdcmInfo.mQdcmMode = factory();
63 } else {
64 ctx->mQdcmInfo.mQdcmMode = NULL;
65 ALOGE("QDCM LIbrary load failing!");
66 }
67
68 ALOGD_IF(QDCM_DEBUG, "QDCM LIbrary loaded successfully!");
69 }
70
unloadQdcmLibrary(hwc_context_t * ctx)71 static inline void unloadQdcmLibrary(hwc_context_t *ctx)
72 {
73 void (*destroy)(qmode::ModeManager*) = NULL;
74
75 if (ctx->mQdcmInfo.mQdcmLib) {
76 *(void **)&destroy = dlsym(ctx->mQdcmInfo.mQdcmLib, "deleteObject");
77
78 if (destroy) {
79 destroy(ctx->mQdcmInfo.mQdcmMode);
80 ctx->mQdcmInfo.mQdcmMode = NULL;
81 }
82
83 dlclose(ctx->mQdcmInfo.mQdcmLib);
84 ctx->mQdcmInfo.mQdcmLib = NULL;
85 }
86 }
87
88 void qdcmInitContext(hwc_context_t *);
89 void qdcmCloseContext(hwc_context_t *);
90 void qdcmApplyDefaultAfterBootAnimationDone(hwc_context_t *);
91 void qdcmCmdsHandler(hwc_context_t*, const Parcel*, Parcel*);
92
93 }; // namespace qQdcm
94 #endif // ANDROID_QDCM_H
95