1 /*
2 * Copyright (C) 2016 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 "android.hardware.tv.cec@1.0-impl"
18 #include <android-base/logging.h>
19
20 #include <hardware/hardware.h>
21 #include <hardware/hdmi_cec.h>
22 #include "HdmiCec.h"
23
24 namespace android {
25 namespace hardware {
26 namespace tv {
27 namespace cec {
28 namespace V1_0 {
29 namespace implementation {
30
31 static_assert(CEC_DEVICE_INACTIVE == static_cast<int>(CecDeviceType::INACTIVE),
32 "CecDeviceType::INACTIVE must match legacy value.");
33 static_assert(CEC_DEVICE_TV == static_cast<int>(CecDeviceType::TV),
34 "CecDeviceType::TV must match legacy value.");
35 static_assert(CEC_DEVICE_RECORDER == static_cast<int>(CecDeviceType::RECORDER),
36 "CecDeviceType::RECORDER must match legacy value.");
37 static_assert(CEC_DEVICE_TUNER == static_cast<int>(CecDeviceType::TUNER),
38 "CecDeviceType::TUNER must match legacy value.");
39 static_assert(CEC_DEVICE_PLAYBACK == static_cast<int>(CecDeviceType::PLAYBACK),
40 "CecDeviceType::PLAYBACK must match legacy value.");
41 static_assert(CEC_DEVICE_AUDIO_SYSTEM == static_cast<int>(CecDeviceType::AUDIO_SYSTEM),
42 "CecDeviceType::AUDIO_SYSTEM must match legacy value.");
43 static_assert(CEC_DEVICE_MAX == static_cast<int>(CecDeviceType::MAX),
44 "CecDeviceType::MAX must match legacy value.");
45
46 static_assert(CEC_ADDR_TV == static_cast<int>(CecLogicalAddress::TV),
47 "CecLogicalAddress::TV must match legacy value.");
48 static_assert(CEC_ADDR_RECORDER_1 == static_cast<int>(CecLogicalAddress::RECORDER_1),
49 "CecLogicalAddress::RECORDER_1 must match legacy value.");
50 static_assert(CEC_ADDR_RECORDER_2 == static_cast<int>(CecLogicalAddress::RECORDER_2),
51 "CecLogicalAddress::RECORDER_2 must match legacy value.");
52 static_assert(CEC_ADDR_TUNER_1 == static_cast<int>(CecLogicalAddress::TUNER_1),
53 "CecLogicalAddress::TUNER_1 must match legacy value.");
54 static_assert(CEC_ADDR_PLAYBACK_1 == static_cast<int>(CecLogicalAddress::PLAYBACK_1),
55 "CecLogicalAddress::PLAYBACK_1 must match legacy value.");
56 static_assert(CEC_ADDR_AUDIO_SYSTEM == static_cast<int>(CecLogicalAddress::AUDIO_SYSTEM),
57 "CecLogicalAddress::AUDIO_SYSTEM must match legacy value.");
58 static_assert(CEC_ADDR_TUNER_2 == static_cast<int>(CecLogicalAddress::TUNER_2),
59 "CecLogicalAddress::TUNER_2 must match legacy value.");
60 static_assert(CEC_ADDR_TUNER_3 == static_cast<int>(CecLogicalAddress::TUNER_3),
61 "CecLogicalAddress::TUNER_3 must match legacy value.");
62 static_assert(CEC_ADDR_PLAYBACK_2 == static_cast<int>(CecLogicalAddress::PLAYBACK_2),
63 "CecLogicalAddress::PLAYBACK_2 must match legacy value.");
64 static_assert(CEC_ADDR_RECORDER_3 == static_cast<int>(CecLogicalAddress::RECORDER_3),
65 "CecLogicalAddress::RECORDER_3 must match legacy value.");
66 static_assert(CEC_ADDR_TUNER_4 == static_cast<int>(CecLogicalAddress::TUNER_4),
67 "CecLogicalAddress::TUNER_4 must match legacy value.");
68 static_assert(CEC_ADDR_PLAYBACK_3 == static_cast<int>(CecLogicalAddress::PLAYBACK_3),
69 "CecLogicalAddress::PLAYBACK_3 must match legacy value.");
70 static_assert(CEC_ADDR_FREE_USE == static_cast<int>(CecLogicalAddress::FREE_USE),
71 "CecLogicalAddress::FREE_USE must match legacy value.");
72 static_assert(CEC_ADDR_UNREGISTERED == static_cast<int>(CecLogicalAddress::UNREGISTERED),
73 "CecLogicalAddress::UNREGISTERED must match legacy value.");
74 static_assert(CEC_ADDR_BROADCAST == static_cast<int>(CecLogicalAddress::BROADCAST),
75 "CecLogicalAddress::BROADCAST must match legacy value.");
76
77 static_assert(CEC_MESSAGE_FEATURE_ABORT == static_cast<int>(CecMessageType::FEATURE_ABORT),
78 "CecMessageType::FEATURE_ABORT must match legacy value.");
79 static_assert(CEC_MESSAGE_IMAGE_VIEW_ON == static_cast<int>(CecMessageType::IMAGE_VIEW_ON),
80 "CecMessageType::IMAGE_VIEW_ON must match legacy value.");
81 static_assert(CEC_MESSAGE_TUNER_STEP_INCREMENT == static_cast<int>(
82 CecMessageType::TUNER_STEP_INCREMENT),
83 "CecMessageType::TUNER_STEP_INCREMENT must match legacy value.");
84 static_assert(CEC_MESSAGE_TUNER_STEP_DECREMENT == static_cast<int>(
85 CecMessageType::TUNER_STEP_DECREMENT),
86 "CecMessageType::TUNER_STEP_DECREMENT must match legacy value.");
87 static_assert(CEC_MESSAGE_TUNER_DEVICE_STATUS == static_cast<int>(
88 CecMessageType::TUNER_DEVICE_STATUS),
89 "CecMessageType::TUNER_DEVICE_STATUS must match legacy value.");
90 static_assert(CEC_MESSAGE_GIVE_TUNER_DEVICE_STATUS == static_cast<int>(
91 CecMessageType::GIVE_TUNER_DEVICE_STATUS),
92 "CecMessageType::GIVE_TUNER_DEVICE_STATUS must match legacy value.");
93 static_assert(CEC_MESSAGE_RECORD_ON == static_cast<int>(CecMessageType::RECORD_ON),
94 "CecMessageType::RECORD_ON must match legacy value.");
95 static_assert(CEC_MESSAGE_RECORD_STATUS == static_cast<int>(CecMessageType::RECORD_STATUS),
96 "CecMessageType::RECORD_STATUS must match legacy value.");
97 static_assert(CEC_MESSAGE_RECORD_OFF == static_cast<int>(CecMessageType::RECORD_OFF),
98 "CecMessageType::RECORD_OFF must match legacy value.");
99 static_assert(CEC_MESSAGE_TEXT_VIEW_ON == static_cast<int>(CecMessageType::TEXT_VIEW_ON),
100 "CecMessageType::TEXT_VIEW_ON must match legacy value.");
101 static_assert(CEC_MESSAGE_RECORD_TV_SCREEN == static_cast<int>(CecMessageType::RECORD_TV_SCREEN),
102 "CecMessageType::RECORD_TV_SCREEN must match legacy value.");
103 static_assert(CEC_MESSAGE_GIVE_DECK_STATUS == static_cast<int>(CecMessageType::GIVE_DECK_STATUS),
104 "CecMessageType::GIVE_DECK_STATUS must match legacy value.");
105 static_assert(CEC_MESSAGE_STANDBY == static_cast<int>(CecMessageType::STANDBY),
106 "CecMessageType::STANDBY must match legacy value.");
107 static_assert(CEC_MESSAGE_PLAY == static_cast<int>(CecMessageType::PLAY),
108 "CecMessageType::PLAY must match legacy value.");
109 static_assert(CEC_MESSAGE_DECK_CONTROL == static_cast<int>(CecMessageType::DECK_CONTROL),
110 "CecMessageType::DECK_CONTROL must match legacy value.");
111 static_assert(CEC_MESSAGE_TIMER_CLEARED_STATUS == static_cast<int>(
112 CecMessageType::TIMER_CLEARED_STATUS),
113 "CecMessageType::TIMER_CLEARED_STATUS must match legacy value.");
114 static_assert(CEC_MESSAGE_USER_CONTROL_PRESSED == static_cast<int>(
115 CecMessageType::USER_CONTROL_PRESSED),
116 "CecMessageType::USER_CONTROL_PRESSED must match legacy value.");
117 static_assert(CEC_MESSAGE_USER_CONTROL_RELEASED == static_cast<int>(
118 CecMessageType::USER_CONTROL_RELEASED),
119 "CecMessageType::USER_CONTROL_RELEASED must match legacy value.");
120 static_assert(CEC_MESSAGE_GIVE_OSD_NAME == static_cast<int>(CecMessageType::GIVE_OSD_NAME),
121 "CecMessageType::GIVE_OSD_NAME must match legacy value.");
122 static_assert(CEC_MESSAGE_SET_OSD_NAME == static_cast<int>(CecMessageType::SET_OSD_NAME),
123 "CecMessageType::SET_OSD_NAME must match legacy value.");
124 static_assert(CEC_MESSAGE_SYSTEM_AUDIO_MODE_REQUEST == static_cast<int>(
125 CecMessageType::SYSTEM_AUDIO_MODE_REQUEST),
126 "CecMessageType::SYSTEM_AUDIO_MODE_REQUEST must match legacy value.");
127 static_assert(CEC_MESSAGE_GIVE_AUDIO_STATUS == static_cast<int>(CecMessageType::GIVE_AUDIO_STATUS),
128 "CecMessageType::GIVE_AUDIO_STATUS must match legacy value.");
129 static_assert(CEC_MESSAGE_SET_SYSTEM_AUDIO_MODE == static_cast<int>(
130 CecMessageType::SET_SYSTEM_AUDIO_MODE),
131 "CecMessageType::SET_SYSTEM_AUDIO_MODE must match legacy value.");
132 static_assert(CEC_MESSAGE_REPORT_AUDIO_STATUS == static_cast<int>(
133 CecMessageType::REPORT_AUDIO_STATUS),
134 "CecMessageType::REPORT_AUDIO_STATUS must match legacy value.");
135 static_assert(CEC_MESSAGE_GIVE_SYSTEM_AUDIO_MODE_STATUS == static_cast<int>(
136 CecMessageType::GIVE_SYSTEM_AUDIO_MODE_STATUS),
137 "CecMessageType::GIVE_SYSTEM_AUDIO_MODE_STATUS must match legacy value.");
138 static_assert(CEC_MESSAGE_SYSTEM_AUDIO_MODE_STATUS == static_cast<int>(
139 CecMessageType::SYSTEM_AUDIO_MODE_STATUS),
140 "CecMessageType::SYSTEM_AUDIO_MODE_STATUS must match legacy value.");
141 static_assert(CEC_MESSAGE_ROUTING_CHANGE == static_cast<int>(CecMessageType::ROUTING_CHANGE),
142 "CecMessageType::ROUTING_CHANGE must match legacy value.");
143 static_assert(CEC_MESSAGE_ROUTING_INFORMATION == static_cast<int>(
144 CecMessageType::ROUTING_INFORMATION),
145 "CecMessageType::ROUTING_INFORMATION must match legacy value.");
146 static_assert(CEC_MESSAGE_ACTIVE_SOURCE == static_cast<int>(CecMessageType::ACTIVE_SOURCE),
147 "CecMessageType::ACTIVE_SOURCE must match legacy value.");
148 static_assert(CEC_MESSAGE_GIVE_PHYSICAL_ADDRESS == static_cast<int>(
149 CecMessageType::GIVE_PHYSICAL_ADDRESS),
150 "CecMessageType::GIVE_PHYSICAL_ADDRESS must match legacy value.");
151 static_assert(CEC_MESSAGE_REPORT_PHYSICAL_ADDRESS == static_cast<int>(
152 CecMessageType::REPORT_PHYSICAL_ADDRESS),
153 "CecMessageType::REPORT_PHYSICAL_ADDRESS must match legacy value.");
154 static_assert(CEC_MESSAGE_REQUEST_ACTIVE_SOURCE == static_cast<int>(
155 CecMessageType::REQUEST_ACTIVE_SOURCE),
156 "CecMessageType::REQUEST_ACTIVE_SOURCE must match legacy value.");
157 static_assert(CEC_MESSAGE_SET_STREAM_PATH == static_cast<int>(CecMessageType::SET_STREAM_PATH),
158 "CecMessageType::SET_STREAM_PATH must match legacy value.");
159 static_assert(CEC_MESSAGE_DEVICE_VENDOR_ID == static_cast<int>(CecMessageType::DEVICE_VENDOR_ID),
160 "CecMessageType::DEVICE_VENDOR_ID must match legacy value.");
161 static_assert(CEC_MESSAGE_VENDOR_COMMAND == static_cast<int>(CecMessageType::VENDOR_COMMAND),
162 "CecMessageType::VENDOR_COMMAND must match legacy value.");
163 static_assert(CEC_MESSAGE_VENDOR_REMOTE_BUTTON_DOWN == static_cast<int>(
164 CecMessageType::VENDOR_REMOTE_BUTTON_DOWN),
165 "CecMessageType::VENDOR_REMOTE_BUTTON_DOWN must match legacy value.");
166 static_assert(CEC_MESSAGE_VENDOR_REMOTE_BUTTON_UP == static_cast<int>(
167 CecMessageType::VENDOR_REMOTE_BUTTON_UP),
168 "CecMessageType::VENDOR_REMOTE_BUTTON_UP must match legacy value.");
169 static_assert(CEC_MESSAGE_GIVE_DEVICE_VENDOR_ID == static_cast<int>(
170 CecMessageType::GIVE_DEVICE_VENDOR_ID),
171 "CecMessageType::GIVE_DEVICE_VENDOR_ID must match legacy value.");
172 static_assert(CEC_MESSAGE_MENU_REQUEST == static_cast<int>(CecMessageType::MENU_REQUEST),
173 "CecMessageType::MENU_REQUEST must match legacy value.");
174 static_assert(CEC_MESSAGE_MENU_STATUS == static_cast<int>(CecMessageType::MENU_STATUS),
175 "CecMessageType::MENU_STATUS must match legacy value.");
176 static_assert(CEC_MESSAGE_GIVE_DEVICE_POWER_STATUS == static_cast<int>(
177 CecMessageType::GIVE_DEVICE_POWER_STATUS),
178 "CecMessageType::GIVE_DEVICE_POWER_STATUS must match legacy value.");
179 static_assert(CEC_MESSAGE_REPORT_POWER_STATUS == static_cast<int>(
180 CecMessageType::REPORT_POWER_STATUS),
181 "CecMessageType::REPORT_POWER_STATUS must match legacy value.");
182 static_assert(CEC_MESSAGE_GET_MENU_LANGUAGE == static_cast<int>(CecMessageType::GET_MENU_LANGUAGE),
183 "CecMessageType::GET_MENU_LANGUAGE must match legacy value.");
184 static_assert(CEC_MESSAGE_SELECT_ANALOG_SERVICE == static_cast<int>(
185 CecMessageType::SELECT_ANALOG_SERVICE),
186 "CecMessageType::SELECT_ANALOG_SERVICE must match legacy value.");
187 static_assert(CEC_MESSAGE_SELECT_DIGITAL_SERVICE == static_cast<int>(
188 CecMessageType::SELECT_DIGITAL_SERVICE),
189 "CecMessageType::SELECT_DIGITAL_SERVICE must match legacy value.");
190 static_assert(CEC_MESSAGE_SET_DIGITAL_TIMER == static_cast<int>(CecMessageType::SET_DIGITAL_TIMER),
191 "CecMessageType::SET_DIGITAL_TIMER must match legacy value.");
192 static_assert(CEC_MESSAGE_CLEAR_DIGITAL_TIMER == static_cast<int>(
193 CecMessageType::CLEAR_DIGITAL_TIMER),
194 "CecMessageType::CLEAR_DIGITAL_TIMER must match legacy value.");
195 static_assert(CEC_MESSAGE_SET_AUDIO_RATE == static_cast<int>(CecMessageType::SET_AUDIO_RATE),
196 "CecMessageType::SET_AUDIO_RATE must match legacy value.");
197 static_assert(CEC_MESSAGE_INACTIVE_SOURCE == static_cast<int>(CecMessageType::INACTIVE_SOURCE),
198 "CecMessageType::INACTIVE_SOURCE must match legacy value.");
199 static_assert(CEC_MESSAGE_CEC_VERSION == static_cast<int>(CecMessageType::CEC_VERSION),
200 "CecMessageType::CEC_VERSION must match legacy value.");
201 static_assert(CEC_MESSAGE_GET_CEC_VERSION == static_cast<int>(CecMessageType::GET_CEC_VERSION),
202 "CecMessageType::GET_CEC_VERSION must match legacy value.");
203 static_assert(CEC_MESSAGE_VENDOR_COMMAND_WITH_ID == static_cast<int>(
204 CecMessageType::VENDOR_COMMAND_WITH_ID),
205 "CecMessageType::VENDOR_COMMAND_WITH_ID must match legacy value.");
206 static_assert(CEC_MESSAGE_CLEAR_EXTERNAL_TIMER == static_cast<int>(
207 CecMessageType::CLEAR_EXTERNAL_TIMER),
208 "CecMessageType::CLEAR_EXTERNAL_TIMER must match legacy value.");
209 static_assert(CEC_MESSAGE_SET_EXTERNAL_TIMER == static_cast<int>(
210 CecMessageType::SET_EXTERNAL_TIMER),
211 "CecMessageType::SET_EXTERNAL_TIMER must match legacy value.");
212 static_assert(CEC_MESSAGE_INITIATE_ARC == static_cast<int>(CecMessageType::INITIATE_ARC),
213 "CecMessageType::INITIATE_ARC must match legacy value.");
214 static_assert(CEC_MESSAGE_REPORT_ARC_INITIATED == static_cast<int>(
215 CecMessageType::REPORT_ARC_INITIATED),
216 "CecMessageType::REPORT_ARC_INITIATED must match legacy value.");
217 static_assert(CEC_MESSAGE_REPORT_ARC_TERMINATED == static_cast<int>(
218 CecMessageType::REPORT_ARC_TERMINATED),
219 "CecMessageType::REPORT_ARC_TERMINATED must match legacy value.");
220 static_assert(CEC_MESSAGE_REQUEST_ARC_INITIATION == static_cast<int>(
221 CecMessageType::REQUEST_ARC_INITIATION),
222 "CecMessageType::REQUEST_ARC_INITIATION must match legacy value.");
223 static_assert(CEC_MESSAGE_REQUEST_ARC_TERMINATION == static_cast<int>(
224 CecMessageType::REQUEST_ARC_TERMINATION),
225 "CecMessageType::REQUEST_ARC_TERMINATION must match legacy value.");
226 static_assert(CEC_MESSAGE_TERMINATE_ARC == static_cast<int>(CecMessageType::TERMINATE_ARC),
227 "CecMessageType::TERMINATE_ARC must match legacy value.");
228 static_assert(CEC_MESSAGE_ABORT == static_cast<int>(CecMessageType::ABORT),
229 "CecMessageType::ABORT must match legacy value.");
230
231 static_assert(ABORT_UNRECOGNIZED_MODE == static_cast<int>(AbortReason::UNRECOGNIZED_MODE),
232 "AbortReason::UNRECOGNIZED_MODE must match legacy value.");
233 static_assert(ABORT_NOT_IN_CORRECT_MODE == static_cast<int>(AbortReason::NOT_IN_CORRECT_MODE),
234 "AbortReason::NOT_IN_CORRECT_MODE must match legacy value.");
235 static_assert(ABORT_CANNOT_PROVIDE_SOURCE == static_cast<int>(AbortReason::CANNOT_PROVIDE_SOURCE),
236 "AbortReason::CANNOT_PROVIDE_SOURCE must match legacy value.");
237 static_assert(ABORT_INVALID_OPERAND == static_cast<int>(AbortReason::INVALID_OPERAND),
238 "AbortReason::INVALID_OPERAND must match legacy value.");
239 static_assert(ABORT_REFUSED == static_cast<int>(AbortReason::REFUSED),
240 "AbortReason::REFUSED must match legacy value.");
241 static_assert(ABORT_UNABLE_TO_DETERMINE == static_cast<int>(AbortReason::UNABLE_TO_DETERMINE),
242 "AbortReason::UNABLE_TO_DETERMINE must match legacy value.");
243
244 static_assert(HDMI_RESULT_SUCCESS == static_cast<int>(SendMessageResult::SUCCESS),
245 "SendMessageResult::SUCCESS must match legacy value.");
246 static_assert(HDMI_RESULT_NACK == static_cast<int>(SendMessageResult::NACK),
247 "SendMessageResult::NACK must match legacy value.");
248 static_assert(HDMI_RESULT_BUSY == static_cast<int>(SendMessageResult::BUSY),
249 "SendMessageResult::BUSY must match legacy value.");
250 static_assert(HDMI_RESULT_FAIL == static_cast<int>(SendMessageResult::FAIL),
251 "SendMessageResult::FAIL must match legacy value.");
252
253 static_assert(HDMI_INPUT == static_cast<int>(HdmiPortType::INPUT),
254 "HdmiPortType::INPUT must match legacy value.");
255 static_assert(HDMI_OUTPUT == static_cast<int>(HdmiPortType::OUTPUT),
256 "HdmiPortType::OUTPUT must match legacy value.");
257
258 static_assert(HDMI_OPTION_WAKEUP == static_cast<int>(OptionKey::WAKEUP),
259 "OptionKey::WAKEUP must match legacy value.");
260 static_assert(HDMI_OPTION_ENABLE_CEC == static_cast<int>(OptionKey::ENABLE_CEC),
261 "OptionKey::ENABLE_CEC must match legacy value.");
262 static_assert(HDMI_OPTION_SYSTEM_CEC_CONTROL == static_cast<int>(OptionKey::SYSTEM_CEC_CONTROL),
263 "OptionKey::SYSTEM_CEC_CONTROL must match legacy value.");
264
265 sp<IHdmiCecCallback> HdmiCec::mCallback = nullptr;
266
HdmiCec(hdmi_cec_device_t * device)267 HdmiCec::HdmiCec(hdmi_cec_device_t* device) : mDevice(device) {}
268
269 // Methods from ::android::hardware::tv::cec::V1_0::IHdmiCec follow.
addLogicalAddress(CecLogicalAddress addr)270 Return<Result> HdmiCec::addLogicalAddress(CecLogicalAddress addr) {
271 int ret = mDevice->add_logical_address(mDevice, static_cast<cec_logical_address_t>(addr));
272 switch (ret) {
273 case 0:
274 return Result::SUCCESS;
275 case -EINVAL:
276 return Result::FAILURE_INVALID_ARGS;
277 case -ENOTSUP:
278 return Result::FAILURE_NOT_SUPPORTED;
279 case -EBUSY:
280 return Result::FAILURE_BUSY;
281 default:
282 return Result::FAILURE_UNKNOWN;
283 }
284 }
285
clearLogicalAddress()286 Return<void> HdmiCec::clearLogicalAddress() {
287 mDevice->clear_logical_address(mDevice);
288 return Void();
289 }
290
getPhysicalAddress(getPhysicalAddress_cb _hidl_cb)291 Return<void> HdmiCec::getPhysicalAddress(getPhysicalAddress_cb _hidl_cb) {
292 uint16_t addr;
293 int ret = mDevice->get_physical_address(mDevice, &addr);
294 switch (ret) {
295 case 0:
296 _hidl_cb(Result::SUCCESS, addr);
297 break;
298 case -EBADF:
299 _hidl_cb(Result::FAILURE_INVALID_STATE, addr);
300 break;
301 default:
302 _hidl_cb(Result::FAILURE_UNKNOWN, addr);
303 break;
304 }
305 return Void();
306 }
307
sendMessage(const CecMessage & message)308 Return<SendMessageResult> HdmiCec::sendMessage(const CecMessage& message) {
309 cec_message_t legacyMessage {
310 .initiator = static_cast<cec_logical_address_t>(message.initiator),
311 .destination = static_cast<cec_logical_address_t>(message.destination),
312 .length = message.body.size(),
313 };
314 for (size_t i = 0; i < message.body.size(); ++i) {
315 legacyMessage.body[i] = static_cast<unsigned char>(message.body[i]);
316 }
317 return static_cast<SendMessageResult>(mDevice->send_message(mDevice, &legacyMessage));
318 }
319
setCallback(const sp<IHdmiCecCallback> & callback)320 Return<void> HdmiCec::setCallback(const sp<IHdmiCecCallback>& callback) {
321 if (mCallback != nullptr) {
322 mCallback->unlinkToDeath(this);
323 mCallback = nullptr;
324 }
325
326 if (callback != nullptr) {
327 mCallback = callback;
328 mCallback->linkToDeath(this, 0 /*cookie*/);
329 mDevice->register_event_callback(mDevice, eventCallback, nullptr);
330 }
331 return Void();
332 }
333
getCecVersion()334 Return<int32_t> HdmiCec::getCecVersion() {
335 int version;
336 mDevice->get_version(mDevice, &version);
337 return static_cast<int32_t>(version);
338 }
339
getVendorId()340 Return<uint32_t> HdmiCec::getVendorId() {
341 uint32_t vendor_id;
342 mDevice->get_vendor_id(mDevice, &vendor_id);
343 return vendor_id;
344 }
345
getPortInfo(getPortInfo_cb _hidl_cb)346 Return<void> HdmiCec::getPortInfo(getPortInfo_cb _hidl_cb) {
347 struct hdmi_port_info* legacyPorts;
348 int numPorts;
349 hidl_vec<HdmiPortInfo> portInfos;
350 mDevice->get_port_info(mDevice, &legacyPorts, &numPorts);
351 portInfos.resize(numPorts);
352 for (int i = 0; i < numPorts; ++i) {
353 portInfos[i] = {
354 .type = static_cast<HdmiPortType>(legacyPorts[i].type),
355 .portId = static_cast<uint32_t>(legacyPorts[i].port_id),
356 .cecSupported = legacyPorts[i].cec_supported != 0,
357 .arcSupported = legacyPorts[i].arc_supported != 0,
358 .physicalAddress = legacyPorts[i].physical_address
359 };
360 }
361 _hidl_cb(portInfos);
362 return Void();
363 }
364
setOption(OptionKey key,bool value)365 Return<void> HdmiCec::setOption(OptionKey key, bool value) {
366 mDevice->set_option(mDevice, static_cast<int>(key), value ? 1 : 0);
367 return Void();
368 }
369
setLanguage(const hidl_string & language)370 Return<void> HdmiCec::setLanguage(const hidl_string& language) {
371 if (language.size() != 3) {
372 LOG(ERROR) << "Wrong language code: expected 3 letters, but it was " << language.size()
373 << ".";
374 return Void();
375 }
376 const char *languageStr = language.c_str();
377 int convertedLanguage = ((languageStr[0] & 0xFF) << 16)
378 | ((languageStr[1] & 0xFF) << 8)
379 | (languageStr[2] & 0xFF);
380 mDevice->set_option(mDevice, HDMI_OPTION_SET_LANG, convertedLanguage);
381 return Void();
382 }
383
enableAudioReturnChannel(int32_t portId,bool enable)384 Return<void> HdmiCec::enableAudioReturnChannel(int32_t portId, bool enable) {
385 mDevice->set_audio_return_channel(mDevice, portId, enable ? 1 : 0);
386 return Void();
387 }
388
isConnected(int32_t portId)389 Return<bool> HdmiCec::isConnected(int32_t portId) {
390 return mDevice->is_connected(mDevice, portId) > 0;
391 }
392
393
HIDL_FETCH_IHdmiCec(const char * hal)394 IHdmiCec* HIDL_FETCH_IHdmiCec(const char* hal) {
395 hdmi_cec_device_t* hdmi_cec_device;
396 int ret = 0;
397 const hw_module_t* hw_module = nullptr;
398
399 ret = hw_get_module (HDMI_CEC_HARDWARE_MODULE_ID, &hw_module);
400 if (ret == 0) {
401 ret = hdmi_cec_open (hw_module, &hdmi_cec_device);
402 if (ret != 0) {
403 LOG(ERROR) << "hdmi_cec_open " << hal << " failed: " << ret;
404 }
405 } else {
406 LOG(ERROR) << "hw_get_module " << hal << " failed: " << ret;
407 }
408
409 if (ret == 0) {
410 return new HdmiCec(hdmi_cec_device);
411 } else {
412 LOG(ERROR) << "Passthrough failed to load legacy HAL.";
413 return nullptr;
414 }
415 }
416
417 } // namespace implementation
418 } // namespace V1_0
419 } // namespace cec
420 } // namespace tv
421 } // namespace hardware
422 } // namespace android
423