Venkatarama Avadhani | 820b548 | 2022-05-18 15:19:04 +0530 | [diff] [blame] | 1 | /* |
| 2 | * Copyright (C) 2022 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 | |
Venkatarama Avadhani | 601d299 | 2022-12-12 22:29:30 +0530 | [diff] [blame^] | 17 | #define LOG_TAG "android.hardware.tv.hdmi.connection" |
Venkatarama Avadhani | 820b548 | 2022-05-18 15:19:04 +0530 | [diff] [blame] | 18 | #include <android-base/logging.h> |
| 19 | #include <fcntl.h> |
| 20 | #include <utils/Log.h> |
| 21 | |
Venkatarama Avadhani | 601d299 | 2022-12-12 22:29:30 +0530 | [diff] [blame^] | 22 | #include "HdmiConnectionMock.h" |
Venkatarama Avadhani | 820b548 | 2022-05-18 15:19:04 +0530 | [diff] [blame] | 23 | |
| 24 | using ndk::ScopedAStatus; |
| 25 | |
| 26 | namespace android { |
| 27 | namespace hardware { |
| 28 | namespace tv { |
| 29 | namespace hdmi { |
Venkatarama Avadhani | 601d299 | 2022-12-12 22:29:30 +0530 | [diff] [blame^] | 30 | namespace connection { |
Venkatarama Avadhani | 820b548 | 2022-05-18 15:19:04 +0530 | [diff] [blame] | 31 | namespace implementation { |
| 32 | |
Venkatarama Avadhani | 601d299 | 2022-12-12 22:29:30 +0530 | [diff] [blame^] | 33 | void HdmiConnectionMock::serviceDied(void* cookie) { |
| 34 | ALOGE("HdmiConnectionMock died"); |
| 35 | auto hdmi = static_cast<HdmiConnectionMock*>(cookie); |
Venkatarama Avadhani | 820b548 | 2022-05-18 15:19:04 +0530 | [diff] [blame] | 36 | hdmi->mHdmiThreadRun = false; |
| 37 | } |
| 38 | |
Venkatarama Avadhani | 601d299 | 2022-12-12 22:29:30 +0530 | [diff] [blame^] | 39 | ScopedAStatus HdmiConnectionMock::getPortInfo(std::vector<HdmiPortInfo>* _aidl_return) { |
Venkatarama Avadhani | 820b548 | 2022-05-18 15:19:04 +0530 | [diff] [blame] | 40 | *_aidl_return = mPortInfos; |
| 41 | return ScopedAStatus::ok(); |
| 42 | } |
| 43 | |
Venkatarama Avadhani | 601d299 | 2022-12-12 22:29:30 +0530 | [diff] [blame^] | 44 | ScopedAStatus HdmiConnectionMock::isConnected(int32_t portId, bool* _aidl_return) { |
Venkatarama Avadhani | 820b548 | 2022-05-18 15:19:04 +0530 | [diff] [blame] | 45 | // Maintain port connection status and update on hotplug event |
| 46 | if (portId <= mTotalPorts && portId >= 1) { |
| 47 | *_aidl_return = mPortConnectionStatus[portId]; |
| 48 | } else { |
| 49 | *_aidl_return = false; |
| 50 | } |
| 51 | |
| 52 | return ScopedAStatus::ok(); |
| 53 | } |
| 54 | |
Venkatarama Avadhani | 601d299 | 2022-12-12 22:29:30 +0530 | [diff] [blame^] | 55 | ScopedAStatus HdmiConnectionMock::setCallback( |
| 56 | const std::shared_ptr<IHdmiConnectionCallback>& callback) { |
Venkatarama Avadhani | 820b548 | 2022-05-18 15:19:04 +0530 | [diff] [blame] | 57 | if (mCallback != nullptr) { |
| 58 | mCallback = nullptr; |
| 59 | } |
| 60 | |
| 61 | if (callback != nullptr) { |
| 62 | mCallback = callback; |
| 63 | AIBinder_linkToDeath(this->asBinder().get(), mDeathRecipient.get(), 0 /* cookie */); |
| 64 | |
| 65 | mInputFile = open(HDMI_MSG_IN_FIFO, O_RDWR | O_CLOEXEC); |
| 66 | pthread_create(&mThreadId, NULL, __threadLoop, this); |
| 67 | pthread_setname_np(mThreadId, "hdmi_loop"); |
| 68 | } |
| 69 | return ScopedAStatus::ok(); |
| 70 | } |
| 71 | |
Venkatarama Avadhani | 601d299 | 2022-12-12 22:29:30 +0530 | [diff] [blame^] | 72 | ScopedAStatus HdmiConnectionMock::setHpdSignal(HpdSignal signal) { |
Venkatarama Avadhani | 04ee1a4 | 2022-11-09 16:21:55 +0530 | [diff] [blame] | 73 | if (mHdmiThreadRun) { |
| 74 | mHpdSignal = signal; |
| 75 | return ScopedAStatus::ok(); |
| 76 | } else { |
| 77 | return ScopedAStatus::fromServiceSpecificError( |
| 78 | static_cast<int32_t>(Result::FAILURE_INVALID_STATE)); |
| 79 | } |
| 80 | } |
| 81 | |
Venkatarama Avadhani | 601d299 | 2022-12-12 22:29:30 +0530 | [diff] [blame^] | 82 | ScopedAStatus HdmiConnectionMock::getHpdSignal(HpdSignal* _aidl_return) { |
Venkatarama Avadhani | 04ee1a4 | 2022-11-09 16:21:55 +0530 | [diff] [blame] | 83 | *_aidl_return = mHpdSignal; |
| 84 | return ScopedAStatus::ok(); |
| 85 | } |
| 86 | |
Venkatarama Avadhani | 601d299 | 2022-12-12 22:29:30 +0530 | [diff] [blame^] | 87 | void* HdmiConnectionMock::__threadLoop(void* user) { |
| 88 | HdmiConnectionMock* const self = static_cast<HdmiConnectionMock*>(user); |
Venkatarama Avadhani | 820b548 | 2022-05-18 15:19:04 +0530 | [diff] [blame] | 89 | self->threadLoop(); |
| 90 | return 0; |
| 91 | } |
| 92 | |
Venkatarama Avadhani | 601d299 | 2022-12-12 22:29:30 +0530 | [diff] [blame^] | 93 | int HdmiConnectionMock::readMessageFromFifo(unsigned char* buf, int msgCount) { |
Venkatarama Avadhani | 820b548 | 2022-05-18 15:19:04 +0530 | [diff] [blame] | 94 | if (msgCount <= 0 || !buf) { |
| 95 | return 0; |
| 96 | } |
| 97 | |
| 98 | int ret = -1; |
| 99 | // Maybe blocked at driver |
| 100 | ret = read(mInputFile, buf, msgCount); |
| 101 | if (ret < 0) { |
| 102 | ALOGE("[halimp_aidl] read :%s failed, ret:%d\n", HDMI_MSG_IN_FIFO, ret); |
| 103 | return -1; |
| 104 | } |
| 105 | |
| 106 | return ret; |
| 107 | } |
| 108 | |
Venkatarama Avadhani | 601d299 | 2022-12-12 22:29:30 +0530 | [diff] [blame^] | 109 | void HdmiConnectionMock::printEventBuf(const char* msg_buf, int len) { |
Venkatarama Avadhani | 820b548 | 2022-05-18 15:19:04 +0530 | [diff] [blame] | 110 | int i, size = 0; |
| 111 | const int bufSize = MESSAGE_BODY_MAX_LENGTH * 3; |
| 112 | // Use 2 characters for each byte in the message plus 1 space |
| 113 | char buf[bufSize] = {0}; |
| 114 | |
| 115 | // Messages longer than max length will be truncated. |
| 116 | for (i = 0; i < len && size < bufSize; i++) { |
| 117 | size += sprintf(buf + size, " %02x", msg_buf[i]); |
| 118 | } |
| 119 | ALOGD("[halimp_aidl] %s, msg:%.*s", __FUNCTION__, size, buf); |
| 120 | } |
| 121 | |
Venkatarama Avadhani | 601d299 | 2022-12-12 22:29:30 +0530 | [diff] [blame^] | 122 | void HdmiConnectionMock::handleHotplugMessage(unsigned char* msgBuf) { |
Venkatarama Avadhani | 820b548 | 2022-05-18 15:19:04 +0530 | [diff] [blame] | 123 | bool connected = ((msgBuf[3]) & 0xf) > 0; |
| 124 | int32_t portId = static_cast<uint32_t>(msgBuf[0] & 0xf); |
| 125 | |
| 126 | if (portId > static_cast<int32_t>(mPortInfos.size())) { |
| 127 | ALOGD("[halimp_aidl] ignore hot plug message, id %x does not exist", portId); |
| 128 | return; |
| 129 | } |
| 130 | |
| 131 | ALOGD("[halimp_aidl] hot plug port id %x, is connected %x", (msgBuf[0] & 0xf), |
| 132 | (msgBuf[3] & 0xf)); |
| 133 | mPortConnectionStatus[portId] = connected; |
| 134 | if (mPortInfos[portId].type == HdmiPortType::OUTPUT) { |
| 135 | mPhysicalAddress = (connected ? 0xffff : ((msgBuf[1] << 8) | (msgBuf[2]))); |
| 136 | mPortInfos[portId].physicalAddress = mPhysicalAddress; |
| 137 | ALOGD("[halimp_aidl] hot plug physical address %x", mPhysicalAddress); |
| 138 | } |
| 139 | |
| 140 | if (mCallback != nullptr) { |
| 141 | mCallback->onHotplugEvent(connected, portId); |
| 142 | } |
| 143 | } |
| 144 | |
Venkatarama Avadhani | 601d299 | 2022-12-12 22:29:30 +0530 | [diff] [blame^] | 145 | void HdmiConnectionMock::threadLoop() { |
Venkatarama Avadhani | 820b548 | 2022-05-18 15:19:04 +0530 | [diff] [blame] | 146 | ALOGD("[halimp_aidl] threadLoop start."); |
| 147 | unsigned char msgBuf[MESSAGE_BODY_MAX_LENGTH]; |
| 148 | int r = -1; |
| 149 | |
| 150 | // Open the input pipe |
| 151 | while (mInputFile < 0) { |
| 152 | usleep(1000 * 1000); |
| 153 | mInputFile = open(HDMI_MSG_IN_FIFO, O_RDONLY | O_CLOEXEC); |
| 154 | } |
| 155 | ALOGD("[halimp_aidl] file open ok, fd = %d.", mInputFile); |
| 156 | |
| 157 | while (mHdmiThreadRun) { |
| 158 | memset(msgBuf, 0, sizeof(msgBuf)); |
| 159 | // Try to get a message from dev. |
| 160 | // echo -n -e '\x04\x83' >> /dev/cec |
| 161 | r = readMessageFromFifo(msgBuf, MESSAGE_BODY_MAX_LENGTH); |
| 162 | if (r <= 1) { |
| 163 | // Ignore received ping messages |
| 164 | continue; |
| 165 | } |
| 166 | |
| 167 | printEventBuf((const char*)msgBuf, r); |
| 168 | |
| 169 | if (((msgBuf[0] >> 4) & 0xf) == 0xf) { |
| 170 | handleHotplugMessage(msgBuf); |
| 171 | } |
| 172 | } |
| 173 | |
| 174 | ALOGD("[halimp_aidl] thread end."); |
| 175 | } |
| 176 | |
Venkatarama Avadhani | 601d299 | 2022-12-12 22:29:30 +0530 | [diff] [blame^] | 177 | HdmiConnectionMock::HdmiConnectionMock() { |
Venkatarama Avadhani | 820b548 | 2022-05-18 15:19:04 +0530 | [diff] [blame] | 178 | ALOGE("[halimp_aidl] Opening a virtual HDMI HAL for testing and virtual machine."); |
| 179 | mCallback = nullptr; |
| 180 | mPortInfos.resize(mTotalPorts); |
| 181 | mPortConnectionStatus.resize(mTotalPorts); |
| 182 | mPortInfos[0] = {.type = HdmiPortType::OUTPUT, |
| 183 | .portId = static_cast<uint32_t>(1), |
| 184 | .cecSupported = true, |
| 185 | .arcSupported = false, |
Venkatarama Avadhani | 3d35efc | 2022-11-02 10:16:28 +0530 | [diff] [blame] | 186 | .eArcSupported = false, |
Venkatarama Avadhani | 820b548 | 2022-05-18 15:19:04 +0530 | [diff] [blame] | 187 | .physicalAddress = mPhysicalAddress}; |
| 188 | mPortConnectionStatus[0] = false; |
| 189 | mDeathRecipient = ndk::ScopedAIBinder_DeathRecipient(AIBinder_DeathRecipient_new(serviceDied)); |
| 190 | } |
| 191 | |
| 192 | } // namespace implementation |
Venkatarama Avadhani | 601d299 | 2022-12-12 22:29:30 +0530 | [diff] [blame^] | 193 | } // namespace connection |
Venkatarama Avadhani | 820b548 | 2022-05-18 15:19:04 +0530 | [diff] [blame] | 194 | } // namespace hdmi |
| 195 | } // namespace tv |
| 196 | } // namespace hardware |
| 197 | } // namespace android |