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 #include <utils/Log.h>
30 #include <binder/Parcel.h>
31 #include "IQHDMIClient.h"
32
33 using namespace android;
34 namespace qClient {
35
36 enum {
37 HDMI_CONNECTED = IBinder::FIRST_CALL_TRANSACTION,
38 CEC_MESSAGE_RECEIVED
39 };
40
41 class BpQHDMIClient : public BpInterface<IQHDMIClient>
42 {
43 public:
BpQHDMIClient(const sp<IBinder> & impl)44 BpQHDMIClient(const sp<IBinder>& impl)
45 :BpInterface<IQHDMIClient>(impl)
46 {
47 }
48
onHdmiHotplug(int connected)49 void onHdmiHotplug(int connected)
50 {
51 Parcel data, reply;
52 data.writeInterfaceToken(IQHDMIClient::getInterfaceDescriptor());
53 data.writeInt32(connected);
54 remote()->transact(HDMI_CONNECTED, data, &reply, IBinder::FLAG_ONEWAY);
55 }
56
onCECMessageRecieved(char * msg,ssize_t len)57 void onCECMessageRecieved(char *msg, ssize_t len)
58 {
59 Parcel data, reply;
60 data.writeInterfaceToken(IQHDMIClient::getInterfaceDescriptor());
61 data.writeInt32(len);
62 void *buf = data.writeInplace(len);
63 memcpy(buf, msg, len);
64 remote()->transact(CEC_MESSAGE_RECEIVED, data, &reply,
65 IBinder::FLAG_ONEWAY);
66 }
67 };
68
69 IMPLEMENT_META_INTERFACE(QHDMIClient,
70 "android.display.IQHDMIClient");
71
onTransact(uint32_t code,const Parcel & data,Parcel * reply,uint32_t flags)72 status_t BnQHDMIClient::onTransact(uint32_t code, const Parcel& data,
73 Parcel* reply, uint32_t flags)
74 {
75 switch(code) {
76 case HDMI_CONNECTED: {
77 CHECK_INTERFACE(IQHDMIClient, data, reply);
78 int connected = data.readInt32();
79 onHdmiHotplug(connected);
80 return NO_ERROR;
81 }
82 case CEC_MESSAGE_RECEIVED: {
83 CHECK_INTERFACE(IQHDMIClient, data, reply);
84 ssize_t len = data.readInt32();
85 const void* msg;
86 if(len >= 0 && len <= (ssize_t) data.dataAvail()) {
87 msg = data.readInplace(len);
88 } else {
89 msg = NULL;
90 len = 0;
91 }
92 onCECMessageRecieved((char*) msg, len);
93 return NO_ERROR;
94 }
95 default: {
96 return BBinder::onTransact(code, data, reply, flags);
97 }
98 }
99 }
100
101 }; //namespace qClient
102