1 /*
2 * Copyright (c) 2012-2014, 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 #include <QService.h>
31 #include <binder/Parcel.h>
32 #include <binder/IPCThreadState.h>
33
34 #define QSERVICE_DEBUG 0
35
36 using namespace android;
37
38 namespace qService {
39
40 QService* QService::sQService = NULL;
41 // ----------------------------------------------------------------------------
QService()42 QService::QService()
43 {
44 ALOGD_IF(QSERVICE_DEBUG, "QService Constructor invoked");
45 }
46
~QService()47 QService::~QService()
48 {
49 ALOGD_IF(QSERVICE_DEBUG,"QService Destructor invoked");
50 }
51
connect(const sp<qClient::IQClient> & client)52 void QService::connect(const sp<qClient::IQClient>& client) {
53 ALOGD_IF(QSERVICE_DEBUG,"HWC client connected");
54 mClient = client;
55 }
56
connect(const sp<qClient::IQHDMIClient> & client)57 void QService::connect(const sp<qClient::IQHDMIClient>& client) {
58 ALOGD_IF(QSERVICE_DEBUG,"HWC client connected");
59 mHDMIClient = client;
60 }
61
dispatch(uint32_t command,const Parcel * inParcel,Parcel * outParcel)62 status_t QService::dispatch(uint32_t command, const Parcel* inParcel,
63 Parcel* outParcel) {
64 status_t err = (status_t) FAILED_TRANSACTION;
65 IPCThreadState* ipc = IPCThreadState::self();
66 //Rewind parcel in case we're calling from the same process
67 bool sameProcess = (ipc->getCallingPid() == getpid());
68 if(sameProcess)
69 inParcel->setDataPosition(0);
70 if (mClient.get()) {
71 ALOGD_IF(QSERVICE_DEBUG, "Dispatching command: %d", command);
72 err = mClient->notifyCallback(command, inParcel, outParcel);
73 //Rewind parcel in case we're calling from the same process
74 if (sameProcess)
75 outParcel->setDataPosition(0);
76 }
77 return err;
78 }
79
onHdmiHotplug(int connected)80 void QService::onHdmiHotplug(int connected) {
81 if(mHDMIClient.get()) {
82 ALOGD_IF(QSERVICE_DEBUG, "%s: HDMI hotplug", __FUNCTION__);
83 mHDMIClient->onHdmiHotplug(connected);
84 } else {
85 ALOGE("%s: Failed to get a valid HDMI client", __FUNCTION__);
86 }
87 }
88
onCECMessageReceived(char * msg,ssize_t len)89 void QService::onCECMessageReceived(char *msg, ssize_t len) {
90 if(mHDMIClient.get()) {
91 ALOGD_IF(QSERVICE_DEBUG, "%s: CEC message received", __FUNCTION__);
92 mHDMIClient->onCECMessageRecieved(msg, len);
93 } else {
94 ALOGE("%s: Failed to get a valid HDMI client", __FUNCTION__);
95 }
96 }
97
98
init()99 void QService::init()
100 {
101 if(!sQService) {
102 sQService = new QService();
103 sp<IServiceManager> sm = defaultServiceManager();
104 sm->addService(String16("display.qservice"), sQService);
105 if(sm->checkService(String16("display.qservice")) != NULL)
106 ALOGD_IF(QSERVICE_DEBUG, "adding display.qservice succeeded");
107 else
108 ALOGD_IF(QSERVICE_DEBUG, "adding display.qservice failed");
109 }
110 }
111
112 }
113