1 /*
2  * Copyright (C) 2021 The Android Open Source Project
3  *
4  * Licensed under the Apache License, Version 2.0 (the "License");
5  * you may not use this file except in compliance with the License.
6  * You may obtain a copy of the License at
7  *
8  *      http://www.apache.org/licenses/LICENSE-2.0
9  *
10  * Unless required by applicable law or agreed to in writing, software
11  * distributed under the License is distributed on an "AS IS" BASIS,
12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
13  * See the License for the specific language governing permissions and
14  * limitations under the License.
15  */
16 
17 #define LOG_TAG "HdmiCec_hal_test"
18 #include <android-base/logging.h>
19 
20 #include <android/hardware/tv/cec/1.0/IHdmiCec.h>
21 #include <android/hardware/tv/cec/1.0/types.h>
22 #include <utils/Log.h>
23 #include <sstream>
24 #include <vector>
25 
26 #include <gtest/gtest.h>
27 #include <hidl/GtestPrinter.h>
28 #include <hidl/ServiceManagement.h>
29 
30 using ::android::sp;
31 using ::android::hardware::hidl_death_recipient;
32 using ::android::hardware::hidl_vec;
33 using ::android::hardware::Return;
34 using ::android::hardware::tv::cec::V1_0::CecDeviceType;
35 using ::android::hardware::tv::cec::V1_0::CecLogicalAddress;
36 using ::android::hardware::tv::cec::V1_0::CecMessage;
37 using ::android::hardware::tv::cec::V1_0::HdmiPortInfo;
38 using ::android::hardware::tv::cec::V1_0::HdmiPortType;
39 using ::android::hardware::tv::cec::V1_0::IHdmiCec;
40 using ::android::hardware::tv::cec::V1_0::OptionKey;
41 using ::android::hardware::tv::cec::V1_0::Result;
42 using ::android::hardware::tv::cec::V1_0::SendMessageResult;
43 
44 #define CEC_VERSION 0x05
45 #define INCORRECT_VENDOR_ID 0x00
46 #define TV_PHYSICAL_ADDRESS 0x0000
47 
48 // The main test class for TV CEC HAL.
49 class HdmiCecTest : public ::testing::TestWithParam<std::string> {
50   public:
SetUp()51     void SetUp() override {
52         hdmiCec = IHdmiCec::getService(GetParam());
53         ASSERT_NE(hdmiCec, nullptr);
54         ALOGI("%s: getService() for hdmiCec is %s", __func__,
55               hdmiCec->isRemote() ? "remote" : "local");
56 
57         hdmiCec_death_recipient = new HdmiCecDeathRecipient();
58         ASSERT_NE(hdmiCec_death_recipient, nullptr);
59         ASSERT_TRUE(hdmiCec->linkToDeath(hdmiCec_death_recipient, 0).isOk());
60     }
61 
getDeviceTypes()62     std::vector<int> getDeviceTypes() {
63         std::vector<int> deviceTypes;
64         FILE* p = popen("getprop ro.hdmi.device_type", "re");
65         if (p) {
66             char* line = NULL;
67             size_t len = 0;
68             if (getline(&line, &len, p) > 0) {
69                 std::istringstream stream(line);
70                 std::string number{};
71                 while (std::getline(stream, number, ',')) {
72                     deviceTypes.push_back(stoi(number));
73                 }
74             }
75             pclose(p);
76         }
77         return deviceTypes;
78     }
79 
hasDeviceType(CecDeviceType type)80     bool hasDeviceType(CecDeviceType type) {
81         std::vector<int> deviceTypes = getDeviceTypes();
82         for (auto deviceType = deviceTypes.begin(); deviceType != deviceTypes.end(); ++deviceType) {
83             if (*deviceType == (int)type) {
84                 return true;
85             }
86         }
87         return false;
88     }
89 
90     class HdmiCecDeathRecipient : public hidl_death_recipient {
91       public:
serviceDied(uint64_t,const android::wp<::android::hidl::base::V1_0::IBase> &)92         void serviceDied(uint64_t /*cookie*/,
93                          const android::wp<::android::hidl::base::V1_0::IBase>& /*who*/) override {
94             FAIL();
95         }
96     };
97 
98     sp<IHdmiCec> hdmiCec;
99     sp<HdmiCecDeathRecipient> hdmiCec_death_recipient;
100 };
101 
102 GTEST_ALLOW_UNINSTANTIATED_PARAMETERIZED_TEST(HdmiCecTest);
103 INSTANTIATE_TEST_SUITE_P(
104         PerInstance, HdmiCecTest,
105         testing::ValuesIn(android::hardware::getAllHalInstanceNames(IHdmiCec::descriptor)),
106         android::hardware::PrintInstanceNameToString);
107 
TEST_P(HdmiCecTest,ClearAddLogicalAddress)108 TEST_P(HdmiCecTest, ClearAddLogicalAddress) {
109     hdmiCec->clearLogicalAddress();
110     Return<Result> ret = hdmiCec->addLogicalAddress(CecLogicalAddress::PLAYBACK_3);
111     EXPECT_EQ(ret, Result::SUCCESS);
112 }
113 
TEST_P(HdmiCecTest,PhysicalAddress)114 TEST_P(HdmiCecTest, PhysicalAddress) {
115     Result result;
116     uint16_t addr;
117     Return<void> ret = hdmiCec->getPhysicalAddress([&result, &addr](Result res, uint16_t paddr) {
118         result = res;
119         addr = paddr;
120     });
121     EXPECT_TRUE(ret.isOk());
122     EXPECT_EQ(result, Result::SUCCESS);
123     if (!hasDeviceType(CecDeviceType::TV)) {
124         EXPECT_NE(addr, TV_PHYSICAL_ADDRESS);
125     }
126 }
127 
TEST_P(HdmiCecTest,SendMessage)128 TEST_P(HdmiCecTest, SendMessage) {
129     CecMessage message;
130     if (hasDeviceType(CecDeviceType::TV))
131     {
132         hdmiCec->clearLogicalAddress();
133         Return<Result> result = hdmiCec->addLogicalAddress(CecLogicalAddress::TV);
134         EXPECT_EQ(result, Result::SUCCESS);
135         message.initiator = CecLogicalAddress::TV;
136     }
137     else
138         message.initiator = CecLogicalAddress::PLAYBACK_1;
139     message.destination = CecLogicalAddress::BROADCAST;
140     message.body.resize(1);
141     message.body[0] = 131;
142     SendMessageResult ret = hdmiCec->sendMessage(message);
143     EXPECT_EQ(ret, SendMessageResult::SUCCESS);
144 }
145 
TEST_P(HdmiCecTest,CecVersion)146 TEST_P(HdmiCecTest, CecVersion) {
147     Return<int32_t> ret = hdmiCec->getCecVersion();
148     EXPECT_GE(ret, CEC_VERSION);
149 }
150 
TEST_P(HdmiCecTest,VendorId)151 TEST_P(HdmiCecTest, VendorId) {
152     Return<uint32_t> ret = hdmiCec->getVendorId();
153     EXPECT_NE(ret, INCORRECT_VENDOR_ID);
154 }
155 
TEST_P(HdmiCecTest,GetPortInfo)156 TEST_P(HdmiCecTest, GetPortInfo) {
157     hidl_vec<HdmiPortInfo> ports;
158     Return<void> ret =
159             hdmiCec->getPortInfo([&ports](hidl_vec<HdmiPortInfo> list) { ports = list; });
160     EXPECT_TRUE(ret.isOk());
161     bool cecSupportedOnDevice = false;
162     for (size_t i = 0; i < ports.size(); ++i) {
163         EXPECT_TRUE((ports[i].type == HdmiPortType::OUTPUT) ||
164                     (ports[i].type == HdmiPortType::INPUT));
165         if (ports[i].portId == 0) {
166             ALOGW("%s: Port id should start from 1", __func__);
167         }
168         cecSupportedOnDevice = cecSupportedOnDevice | ports[i].cecSupported;
169     }
170     EXPECT_NE(cecSupportedOnDevice, false) << "At least one port should support CEC";
171 }
172 
TEST_P(HdmiCecTest,SetOption)173 TEST_P(HdmiCecTest, SetOption) {
174     Return<void> ret;
175     ret = hdmiCec->setOption(OptionKey::WAKEUP, false);
176     EXPECT_TRUE(ret.isOk());
177     ret = hdmiCec->setOption(OptionKey::ENABLE_CEC, false);
178     EXPECT_TRUE(ret.isOk());
179     ret = hdmiCec->setOption(OptionKey::SYSTEM_CEC_CONTROL, true);
180     EXPECT_TRUE(ret.isOk());
181     // Restore option keys to their default values
182     ret = hdmiCec->setOption(OptionKey::WAKEUP, true);
183     EXPECT_TRUE(ret.isOk());
184     ret = hdmiCec->setOption(OptionKey::ENABLE_CEC, true);
185     EXPECT_TRUE(ret.isOk());
186     ret = hdmiCec->setOption(OptionKey::SYSTEM_CEC_CONTROL, false);
187     EXPECT_TRUE(ret.isOk());
188 }
189 
TEST_P(HdmiCecTest,SetLanguage)190 TEST_P(HdmiCecTest, SetLanguage) {
191     Return<void> ret = hdmiCec->setLanguage("eng");
192     EXPECT_TRUE(ret.isOk());
193 }
194 
TEST_P(HdmiCecTest,EnableAudioReturnChannel)195 TEST_P(HdmiCecTest, EnableAudioReturnChannel) {
196     hidl_vec<HdmiPortInfo> ports;
197     Return<void> ret =
198             hdmiCec->getPortInfo([&ports](hidl_vec<HdmiPortInfo> list) { ports = list; });
199     EXPECT_TRUE(ret.isOk());
200     for (size_t i = 0; i < ports.size(); ++i) {
201         if (ports[i].arcSupported) {
202             ret = hdmiCec->enableAudioReturnChannel(ports[i].portId, true);
203             EXPECT_TRUE(ret.isOk());
204         }
205     }
206 }
207 
TEST_P(HdmiCecTest,IsConnected)208 TEST_P(HdmiCecTest, IsConnected) {
209     hidl_vec<HdmiPortInfo> ports;
210     Return<void> ret =
211             hdmiCec->getPortInfo([&ports](hidl_vec<HdmiPortInfo> list) { ports = list; });
212     EXPECT_TRUE(ret.isOk());
213     for (size_t i = 0; i < ports.size(); ++i) {
214         Return<bool> ret = hdmiCec->isConnected(ports[i].portId);
215         EXPECT_TRUE(ret.isOk());
216     }
217 }
218