1 /* Copyright (c) 2013-2016, The Linux Foundation. All rights reserved.
2 *
3 * Redistribution and use in source and binary forms, with or without
4 * modification, are permitted provided that the following conditions are
5 * met:
6 * * Redistributions of source code must retain the above copyright
7 * notice, this list of conditions and the following disclaimer.
8 * * Redistributions in binary form must reproduce the above
9 * copyright notice, this list of conditions and the following
10 * disclaimer in the documentation and/or other materials provided
11 * with the distribution.
12 * * Neither the name of The Linux Foundation nor the names of its
13 * contributors may be used to endorse or promote products derived
14 * from this software without specific prior written permission.
15 *
16 * THIS SOFTWARE IS PROVIDED "AS IS" AND ANY EXPRESS OR IMPLIED
17 * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
18 * MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND NON-INFRINGEMENT
19 * ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR CONTRIBUTORS
20 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
23 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
24 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE
25 * OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN
26 * IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
27 *
28 */
29
30 #define LOG_TAG "QCameraThermalAdapter"
31
32 // System dependencies
33 #include <dlfcn.h>
34 #include <utils/Errors.h>
35
36 // Camera dependencies
37 #include "QCamera2HWI.h"
38 #include "QCameraThermalAdapter.h"
39
40 extern "C" {
41 #include "mm_camera_dbg.h"
42 }
43
44 using namespace android;
45
46 namespace qcamera {
47
48
getInstance()49 QCameraThermalAdapter& QCameraThermalAdapter::getInstance()
50 {
51 static QCameraThermalAdapter instance;
52 return instance;
53 }
54
QCameraThermalAdapter()55 QCameraThermalAdapter::QCameraThermalAdapter() :
56 mCallback(NULL),
57 mHandle(NULL),
58 mRegister(NULL),
59 mUnregister(NULL),
60 mCameraHandle(0),
61 mCamcorderHandle(0)
62 {
63 }
64
init(QCameraThermalCallback * thermalCb)65 int QCameraThermalAdapter::init(QCameraThermalCallback *thermalCb)
66 {
67 const char *error = NULL;
68 int rc = NO_ERROR;
69
70 LOGD("E");
71 mHandle = dlopen("/vendor/lib/libthermalclient.so", RTLD_NOW);
72 if (!mHandle) {
73 error = dlerror();
74 LOGE("dlopen failed with error %s",
75 error ? error : "");
76 rc = UNKNOWN_ERROR;
77 goto error;
78 }
79 *(void **)&mRegister = dlsym(mHandle, "thermal_client_register_callback");
80 if (!mRegister) {
81 error = dlerror();
82 LOGE("dlsym failed with error code %s",
83 error ? error: "");
84 rc = UNKNOWN_ERROR;
85 goto error2;
86 }
87 *(void **)&mUnregister = dlsym(mHandle, "thermal_client_unregister_callback");
88 if (!mUnregister) {
89 error = dlerror();
90 LOGE("dlsym failed with error code %s",
91 error ? error: "");
92 rc = UNKNOWN_ERROR;
93 goto error2;
94 }
95
96 mCallback = thermalCb;
97
98 // Register camera and camcorder callbacks
99 mCameraHandle = mRegister(mStrCamera, thermalCallback, NULL);
100 if (mCameraHandle < 0) {
101 LOGE("thermal_client_register_callback failed %d",
102 mCameraHandle);
103 rc = UNKNOWN_ERROR;
104 goto error2;
105 }
106 mCamcorderHandle = mRegister(mStrCamcorder, thermalCallback, NULL);
107 if (mCamcorderHandle < 0) {
108 LOGE("thermal_client_register_callback failed %d",
109 mCamcorderHandle);
110 rc = UNKNOWN_ERROR;
111 goto error3;
112 }
113
114 LOGD("X");
115 return rc;
116
117 error3:
118 mCamcorderHandle = 0;
119 mUnregister(mCameraHandle);
120 error2:
121 mCameraHandle = 0;
122 dlclose(mHandle);
123 mHandle = NULL;
124 error:
125 LOGD("X");
126 return rc;
127 }
128
deinit()129 void QCameraThermalAdapter::deinit()
130 {
131 LOGD("E");
132 if (mUnregister) {
133 if (mCameraHandle) {
134 mUnregister(mCameraHandle);
135 mCameraHandle = 0;
136 }
137 if (mCamcorderHandle) {
138 mUnregister(mCamcorderHandle);
139 mCamcorderHandle = 0;
140 }
141 }
142 if (mHandle)
143 dlclose(mHandle);
144
145 mHandle = NULL;
146 mRegister = NULL;
147 mUnregister = NULL;
148 mCallback = NULL;
149 LOGD("X");
150 }
151
152 char QCameraThermalAdapter::mStrCamera[] = "camera";
153 char QCameraThermalAdapter::mStrCamcorder[] = "camcorder";
154
thermalCallback(int level,void * userdata,void * data)155 int QCameraThermalAdapter::thermalCallback(int level,
156 void *userdata, void *data)
157 {
158 int rc = 0;
159 LOGD("E");
160 QCameraThermalCallback *mcb = getInstance().mCallback;
161
162 if (mcb) {
163 mcb->setThermalLevel((qcamera_thermal_level_enum_t) level);
164 rc = mcb->thermalEvtHandle(mcb->getThermalLevel(), userdata, data);
165 }
166 LOGD("X");
167 return rc;
168 }
169
getThermalLevel()170 qcamera_thermal_level_enum_t *QCameraThermalCallback::getThermalLevel() {
171 return &mLevel;
172 }
173
setThermalLevel(qcamera_thermal_level_enum_t level)174 void QCameraThermalCallback::setThermalLevel(qcamera_thermal_level_enum_t level) {
175 mLevel = level;
176 }
177 }; //namespace qcamera
178