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
43namespace qmode {
44class ModeManager;
45}
46
47using namespace android;
48
49namespace qQdcm {
50// ----------------------------------------------------------------------------
51
52//function prototypes used for QDCM library and service
53static 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
71static 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
88void qdcmInitContext(hwc_context_t *);
89void qdcmCloseContext(hwc_context_t *);
90void qdcmApplyDefaultAfterBootAnimationDone(hwc_context_t *);
91void qdcmCmdsHandler(hwc_context_t*, const Parcel*, Parcel*);
92
93}; // namespace qQdcm
94#endif // ANDROID_QDCM_H
95