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29104708 LOK |
1 | /* |
2 | * This file is part of the libCEC(R) library. | |
3 | * | |
16f47961 | 4 | * libCEC(R) is Copyright (C) 2011-2013 Pulse-Eight Limited. All rights reserved. |
29104708 LOK |
5 | * libCEC(R) is an original work, containing original code. |
6 | * | |
7 | * libCEC(R) is a trademark of Pulse-Eight Limited. | |
8 | * | |
9 | * This program is dual-licensed; you can redistribute it and/or modify | |
10 | * it under the terms of the GNU General Public License as published by | |
11 | * the Free Software Foundation; either version 2 of the License, or | |
12 | * (at your option) any later version. | |
13 | * | |
14 | * This program is distributed in the hope that it will be useful, | |
15 | * but WITHOUT ANY WARRANTY; without even the implied warranty of | |
16 | * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the | |
17 | * GNU General Public License for more details. | |
18 | * | |
19 | * You should have received a copy of the GNU General Public License | |
20 | * along with this program; if not, write to the Free Software | |
21 | * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA. | |
22 | * | |
23 | * | |
24 | * Alternatively, you can license this library under a commercial license, | |
25 | * please contact Pulse-Eight Licensing for more information. | |
26 | * | |
27 | * For more information contact: | |
28 | * Pulse-Eight Licensing <license@pulse-eight.com> | |
29 | * http://www.pulse-eight.com/ | |
30 | * http://www.pulse-eight.net/ | |
31 | */ | |
32 | ||
33 | #include "env.h" | |
34 | ||
35 | #if defined(HAVE_RPI_API) | |
36 | #include "RPiCECAdapterCommunication.h" | |
37 | ||
38 | extern "C" { | |
39 | #include <bcm_host.h> | |
40 | } | |
41 | ||
42 | #include "lib/CECTypeUtils.h" | |
43 | #include "lib/LibCEC.h" | |
44 | #include "lib/platform/util/StdString.h" | |
45 | #include "RPiCECAdapterMessageQueue.h" | |
46 | ||
47 | using namespace CEC; | |
48 | using namespace PLATFORM; | |
49 | ||
50 | #define LIB_CEC m_callback->GetLib() | |
51 | ||
52 | static bool g_bHostInited = false; | |
53 | ||
54 | // callback for the RPi CEC service | |
55 | void rpi_cec_callback(void *callback_data, uint32_t p0, uint32_t p1, uint32_t p2, uint32_t p3, uint32_t p4) | |
56 | { | |
57 | if (callback_data) | |
58 | static_cast<CRPiCECAdapterCommunication *>(callback_data)->OnDataReceived(p0, p1, p2, p3, p4); | |
59 | } | |
60 | ||
49ba42d4 LOK |
61 | // callback for the TV service |
62 | void rpi_tv_callback(void *callback_data, uint32_t reason, uint32_t p0, uint32_t p1) | |
63 | { | |
64 | if (callback_data) | |
65 | static_cast<CRPiCECAdapterCommunication *>(callback_data)->OnTVServiceCallback(reason, p0, p1); | |
66 | } | |
67 | ||
29104708 LOK |
68 | CRPiCECAdapterCommunication::CRPiCECAdapterCommunication(IAdapterCommunicationCallback *callback) : |
69 | IAdapterCommunication(callback), | |
70 | m_logicalAddress(CECDEVICE_UNKNOWN), | |
d1a2ed70 | 71 | m_bLogicalAddressChanged(false), |
057497c6 LOK |
72 | m_previousLogicalAddress(CECDEVICE_FREEUSE), |
73 | m_bLogicalAddressRegistered(false) | |
29104708 LOK |
74 | { |
75 | m_queue = new CRPiCECAdapterMessageQueue(this); | |
76 | } | |
77 | ||
78 | CRPiCECAdapterCommunication::~CRPiCECAdapterCommunication(void) | |
79 | { | |
80 | delete(m_queue); | |
81 | Close(); | |
82 | } | |
83 | ||
84 | const char *ToString(const VC_CEC_ERROR_T error) | |
85 | { | |
86 | switch(error) | |
87 | { | |
88 | case VC_CEC_SUCCESS: | |
89 | return "success"; | |
90 | case VC_CEC_ERROR_NO_ACK: | |
91 | return "no ack"; | |
92 | case VC_CEC_ERROR_SHUTDOWN: | |
93 | return "shutdown"; | |
94 | case VC_CEC_ERROR_BUSY: | |
95 | return "device is busy"; | |
96 | case VC_CEC_ERROR_NO_LA: | |
97 | return "no logical address"; | |
98 | case VC_CEC_ERROR_NO_PA: | |
99 | return "no physical address"; | |
100 | case VC_CEC_ERROR_NO_TOPO: | |
101 | return "no topology"; | |
102 | case VC_CEC_ERROR_INVALID_FOLLOWER: | |
103 | return "invalid follower"; | |
104 | case VC_CEC_ERROR_INVALID_ARGUMENT: | |
105 | return "invalid arg"; | |
106 | default: | |
107 | return "unknown"; | |
108 | } | |
109 | } | |
110 | ||
111 | bool CRPiCECAdapterCommunication::IsInitialised(void) | |
112 | { | |
113 | CLockObject lock(m_mutex); | |
114 | return m_bInitialised; | |
115 | } | |
116 | ||
49ba42d4 LOK |
117 | void CRPiCECAdapterCommunication::OnTVServiceCallback(uint32_t reason, uint32_t UNUSED(p0), uint32_t UNUSED(p1)) |
118 | { | |
119 | switch(reason) | |
120 | { | |
121 | case VC_HDMI_UNPLUGGED: | |
122 | { | |
123 | m_callback->HandlePhysicalAddressChanged(0x1000); | |
124 | break; | |
125 | } | |
126 | case VC_HDMI_ATTACHED: | |
127 | { | |
128 | uint16_t iNewAddress = GetPhysicalAddress(); | |
129 | m_callback->HandlePhysicalAddressChanged(iNewAddress); | |
130 | break; | |
131 | } | |
132 | case VC_HDMI_DVI: | |
133 | case VC_HDMI_HDMI: | |
134 | case VC_HDMI_HDCP_UNAUTH: | |
135 | case VC_HDMI_HDCP_AUTH: | |
136 | case VC_HDMI_HDCP_KEY_DOWNLOAD: | |
137 | case VC_HDMI_HDCP_SRM_DOWNLOAD: | |
138 | default: | |
139 | break; | |
140 | } | |
141 | } | |
142 | ||
29104708 LOK |
143 | void CRPiCECAdapterCommunication::OnDataReceived(uint32_t header, uint32_t p0, uint32_t p1, uint32_t p2, uint32_t p3) |
144 | { | |
145 | VC_CEC_NOTIFY_T reason = (VC_CEC_NOTIFY_T)CEC_CB_REASON(header); | |
146 | ||
b509ba1a | 147 | #ifdef CEC_DEBUGGING |
29104708 | 148 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "received data: header:%08X p0:%08X p1:%08X p2:%08X p3:%08X reason:%x", header, p0, p1, p2, p3, reason); |
b509ba1a | 149 | #endif |
29104708 LOK |
150 | |
151 | switch (reason) | |
152 | { | |
153 | case VC_CEC_RX: | |
154 | // CEC data received | |
155 | { | |
156 | // translate into a VC_CEC_MESSAGE_T | |
157 | VC_CEC_MESSAGE_T message; | |
158 | vc_cec_param2message(header, p0, p1, p2, p3, &message); | |
159 | ||
160 | // translate to a cec_command | |
161 | cec_command command; | |
162 | cec_command::Format(command, | |
163 | (cec_logical_address)message.initiator, | |
164 | (cec_logical_address)message.follower, | |
165 | (cec_opcode)CEC_CB_OPCODE(p0)); | |
166 | ||
167 | // copy parameters | |
168 | for (uint8_t iPtr = 1; iPtr < message.length; iPtr++) | |
169 | command.PushBack(message.payload[iPtr]); | |
170 | ||
171 | // send to libCEC | |
172 | m_callback->OnCommandReceived(command); | |
173 | } | |
174 | break; | |
175 | case VC_CEC_TX: | |
176 | { | |
177 | // handle response to a command that was sent earlier | |
178 | m_queue->MessageReceived((cec_opcode)CEC_CB_OPCODE(p0), (cec_logical_address)CEC_CB_INITIATOR(p0), (cec_logical_address)CEC_CB_FOLLOWER(p0), CEC_CB_RC(header)); | |
179 | } | |
180 | break; | |
181 | case VC_CEC_BUTTON_PRESSED: | |
3b106c7d | 182 | case VC_CEC_REMOTE_PRESSED: |
29104708 LOK |
183 | { |
184 | // translate into a cec_command | |
185 | cec_command command; | |
3b106c7d LOK |
186 | cec_command::Format(command, |
187 | (cec_logical_address)CEC_CB_INITIATOR(p0), | |
188 | (cec_logical_address)CEC_CB_FOLLOWER(p0), | |
189 | reason == VC_CEC_BUTTON_PRESSED ? CEC_OPCODE_USER_CONTROL_PRESSED : CEC_OPCODE_VENDOR_REMOTE_BUTTON_DOWN); | |
29104708 LOK |
190 | command.parameters.PushBack((uint8_t)CEC_CB_OPERAND1(p0)); |
191 | ||
192 | // send to libCEC | |
193 | m_callback->OnCommandReceived(command); | |
194 | } | |
195 | break; | |
196 | case VC_CEC_BUTTON_RELEASE: | |
3b106c7d | 197 | case VC_CEC_REMOTE_RELEASE: |
29104708 LOK |
198 | { |
199 | // translate into a cec_command | |
200 | cec_command command; | |
3b106c7d LOK |
201 | cec_command::Format(command, |
202 | (cec_logical_address)CEC_CB_INITIATOR(p0), | |
203 | (cec_logical_address)CEC_CB_FOLLOWER(p0), | |
204 | reason == VC_CEC_BUTTON_PRESSED ? CEC_OPCODE_USER_CONTROL_RELEASE : CEC_OPCODE_VENDOR_REMOTE_BUTTON_UP); | |
29104708 LOK |
205 | command.parameters.PushBack((uint8_t)CEC_CB_OPERAND1(p0)); |
206 | ||
207 | // send to libCEC | |
208 | m_callback->OnCommandReceived(command); | |
209 | } | |
210 | break; | |
211 | case VC_CEC_LOGICAL_ADDR: | |
212 | { | |
213 | CLockObject lock(m_mutex); | |
d1a2ed70 | 214 | m_previousLogicalAddress = m_logicalAddress; |
29104708 LOK |
215 | if (CEC_CB_RC(header) == VCHIQ_SUCCESS) |
216 | { | |
217 | m_bLogicalAddressChanged = true; | |
218 | m_logicalAddress = (cec_logical_address)(p0 & 0xF); | |
219 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "logical address changed to %s (%x)", LIB_CEC->ToString(m_logicalAddress), m_logicalAddress); | |
220 | } | |
221 | else | |
222 | { | |
d1a2ed70 | 223 | m_logicalAddress = CECDEVICE_FREEUSE; |
29104708 LOK |
224 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "failed to change the logical address, reset to %s (%x)", LIB_CEC->ToString(m_logicalAddress), m_logicalAddress); |
225 | } | |
226 | m_logicalAddressCondition.Signal(); | |
227 | } | |
228 | break; | |
7d27bafc LOK |
229 | case VC_CEC_LOGICAL_ADDR_LOST: |
230 | { | |
231 | // the logical address was taken by another device | |
d1a2ed70 | 232 | cec_logical_address previousAddress = m_logicalAddress == CECDEVICE_BROADCAST ? m_previousLogicalAddress : m_logicalAddress; |
7d27bafc | 233 | m_logicalAddress = CECDEVICE_UNKNOWN; |
f60ee8b3 | 234 | |
40119e0c | 235 | // notify libCEC that we lost our LA when the connection was initialised |
057497c6 LOK |
236 | bool bNotify(false); |
237 | { | |
238 | CLockObject lock(m_mutex); | |
239 | bNotify = m_bInitialised && m_bLogicalAddressRegistered; | |
240 | } | |
241 | if (bNotify) | |
40119e0c | 242 | m_callback->HandleLogicalAddressLost(previousAddress); |
7d27bafc LOK |
243 | } |
244 | break; | |
29104708 | 245 | case VC_CEC_TOPOLOGY: |
29104708 LOK |
246 | break; |
247 | default: | |
248 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "ignoring unknown reason %x", reason); | |
249 | break; | |
250 | } | |
251 | } | |
252 | ||
253 | int CRPiCECAdapterCommunication::InitHostCEC(void) | |
254 | { | |
255 | VCHIQ_INSTANCE_T vchiq_instance; | |
256 | int iResult; | |
257 | ||
258 | if ((iResult = vchiq_initialise(&vchiq_instance)) != VCHIQ_SUCCESS) | |
259 | { | |
260 | LIB_CEC->AddLog(CEC_LOG_ERROR, "%s - vchiq_initialise failed (%d)", __FUNCTION__, iResult); | |
261 | CStdString strError; | |
262 | strError.Format("%s - vchiq_initialise failed (%d)", __FUNCTION__, iResult); | |
263 | m_strError = strError; | |
264 | return iResult; | |
265 | } | |
266 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - vchiq_initialise succeeded", __FUNCTION__); | |
267 | ||
268 | if ((iResult = vchi_initialise(&m_vchi_instance)) != VCHIQ_SUCCESS) | |
269 | { | |
270 | LIB_CEC->AddLog(CEC_LOG_ERROR, "%s - vchi_initialise failed (%d)", __FUNCTION__, iResult); | |
271 | CStdString strError; | |
272 | strError.Format("%s - vchi_initialise failed (%d)", __FUNCTION__, iResult); | |
273 | m_strError = strError; | |
274 | return iResult; | |
275 | } | |
276 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - vchi_initialise succeeded", __FUNCTION__); | |
277 | ||
278 | vchiq_instance = (VCHIQ_INSTANCE_T)m_vchi_instance; | |
279 | ||
280 | m_vchi_connection = vchi_create_connection(single_get_func_table(), | |
281 | vchi_mphi_message_driver_func_table()); | |
282 | ||
283 | if ((iResult = vchi_connect(&m_vchi_connection, 1, m_vchi_instance)) != VCHIQ_SUCCESS) | |
284 | { | |
285 | LIB_CEC->AddLog(CEC_LOG_ERROR, "%s - vchi_connect failed (%d)", __FUNCTION__, iResult); | |
286 | CStdString strError; | |
287 | strError.Format("%s - vchi_connect failed (%d)", __FUNCTION__, iResult); | |
288 | m_strError = strError; | |
289 | return iResult; | |
290 | } | |
291 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - vchi_connect succeeded", __FUNCTION__); | |
292 | ||
293 | return VCHIQ_SUCCESS; | |
294 | } | |
295 | ||
6bba6e2c | 296 | bool CRPiCECAdapterCommunication::Open(uint32_t iTimeoutMs /* = CEC_DEFAULT_CONNECT_TIMEOUT */, bool UNUSED(bSkipChecks) /* = false */, bool bStartListening) |
29104708 LOK |
297 | { |
298 | Close(); | |
299 | ||
300 | if (InitHostCEC() != VCHIQ_SUCCESS) | |
301 | return false; | |
302 | ||
303 | if (bStartListening) | |
304 | { | |
305 | // enable passive mode | |
306 | vc_cec_set_passive(true); | |
307 | ||
49ba42d4 LOK |
308 | // register the callbacks |
309 | vc_cec_register_callback(rpi_cec_callback, (void*)this); | |
310 | vc_tv_register_callback(rpi_tv_callback, (void*)this); | |
29104708 | 311 | |
6bba6e2c LOK |
312 | // release previous LA |
313 | vc_cec_release_logical_address(); | |
314 | if (!m_logicalAddressCondition.Wait(m_mutex, m_bLogicalAddressChanged, iTimeoutMs)) | |
315 | { | |
316 | LIB_CEC->AddLog(CEC_LOG_ERROR, "failed to release the previous LA"); | |
317 | return false; | |
318 | } | |
319 | ||
29104708 LOK |
320 | // register LA "freeuse" |
321 | if (RegisterLogicalAddress(CECDEVICE_FREEUSE)) | |
322 | { | |
323 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - vc_cec initialised", __FUNCTION__); | |
324 | CLockObject lock(m_mutex); | |
325 | m_bInitialised = true; | |
326 | } | |
327 | else | |
328 | LIB_CEC->AddLog(CEC_LOG_ERROR, "%s - vc_cec could not be initialised", __FUNCTION__); | |
329 | } | |
330 | ||
331 | return true; | |
332 | } | |
333 | ||
334 | uint16_t CRPiCECAdapterCommunication::GetPhysicalAddress(void) | |
335 | { | |
336 | uint16_t iPA(CEC_INVALID_PHYSICAL_ADDRESS); | |
337 | if (!IsInitialised()) | |
338 | return iPA; | |
339 | ||
340 | if (vc_cec_get_physical_address(&iPA) == VCHIQ_SUCCESS) | |
341 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - physical address = %04x", __FUNCTION__, iPA); | |
342 | else | |
343 | { | |
344 | LIB_CEC->AddLog(CEC_LOG_WARNING, "%s - failed to get the physical address", __FUNCTION__); | |
345 | iPA = CEC_INVALID_PHYSICAL_ADDRESS; | |
346 | } | |
347 | ||
348 | return iPA; | |
349 | } | |
350 | ||
351 | void CRPiCECAdapterCommunication::Close(void) | |
352 | { | |
353 | { | |
354 | CLockObject lock(m_mutex); | |
355 | if (m_bInitialised) | |
356 | m_bInitialised = false; | |
357 | else | |
358 | return; | |
359 | } | |
49ba42d4 LOK |
360 | vc_tv_unregister_callback(rpi_tv_callback); |
361 | ||
29104708 LOK |
362 | UnregisterLogicalAddress(); |
363 | ||
364 | // disable passive mode | |
365 | vc_cec_set_passive(false); | |
366 | ||
367 | if (!g_bHostInited) | |
368 | { | |
369 | g_bHostInited = false; | |
370 | bcm_host_deinit(); | |
371 | } | |
372 | } | |
373 | ||
374 | std::string CRPiCECAdapterCommunication::GetError(void) const | |
375 | { | |
376 | std::string strError(m_strError); | |
377 | return strError; | |
378 | } | |
379 | ||
380 | cec_adapter_message_state CRPiCECAdapterCommunication::Write(const cec_command &data, bool &UNUSED(bRetry), uint8_t UNUSED(iLineTimeout), bool bIsReply) | |
381 | { | |
382 | // ensure that the source LA is registered | |
383 | if (!RegisterLogicalAddress(data.initiator)) | |
384 | { | |
385 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "failed to register logical address %s (%X)", CCECTypeUtils::ToString(data.initiator), data.initiator); | |
386 | return (data.initiator == data.destination) ? ADAPTER_MESSAGE_STATE_SENT_NOT_ACKED : ADAPTER_MESSAGE_STATE_ERROR; | |
387 | } | |
388 | ||
389 | if (!data.opcode_set && data.initiator == data.destination) | |
390 | { | |
391 | // registration of the logical address would have failed | |
392 | return ADAPTER_MESSAGE_STATE_SENT_NOT_ACKED; | |
393 | } | |
394 | ||
395 | return m_queue->Write(data, bIsReply) ? ADAPTER_MESSAGE_STATE_SENT_ACKED : ADAPTER_MESSAGE_STATE_SENT_NOT_ACKED; | |
396 | } | |
397 | ||
398 | uint16_t CRPiCECAdapterCommunication::GetFirmwareVersion(void) | |
399 | { | |
400 | return VC_CECSERVICE_VER; | |
401 | } | |
402 | ||
403 | cec_logical_address CRPiCECAdapterCommunication::GetLogicalAddress(void) | |
404 | { | |
405 | { | |
406 | CLockObject lock(m_mutex); | |
407 | if (m_logicalAddress != CECDEVICE_UNKNOWN) | |
408 | return m_logicalAddress; | |
409 | } | |
410 | ||
411 | CEC_AllDevices_T address; | |
412 | return (vc_cec_get_logical_address(&address) == VCHIQ_SUCCESS) ? | |
413 | (cec_logical_address)address : CECDEVICE_UNKNOWN; | |
414 | } | |
415 | ||
416 | bool CRPiCECAdapterCommunication::UnregisterLogicalAddress(void) | |
417 | { | |
418 | CLockObject lock(m_mutex); | |
419 | if (m_logicalAddress == CECDEVICE_UNKNOWN || | |
420 | m_logicalAddress == CECDEVICE_BROADCAST) | |
421 | return true; | |
422 | ||
423 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - releasing previous logical address", __FUNCTION__); | |
057497c6 LOK |
424 | { |
425 | CLockObject lock(m_mutex); | |
426 | m_bLogicalAddressRegistered = false; | |
427 | m_bLogicalAddressChanged = false; | |
428 | } | |
29104708 LOK |
429 | |
430 | vc_cec_release_logical_address(); | |
431 | ||
432 | return m_logicalAddressCondition.Wait(m_mutex, m_bLogicalAddressChanged); | |
433 | } | |
434 | ||
435 | bool CRPiCECAdapterCommunication::RegisterLogicalAddress(const cec_logical_address address) | |
436 | { | |
437 | { | |
438 | CLockObject lock(m_mutex); | |
439 | if (m_logicalAddress == address) | |
440 | return true; | |
441 | } | |
442 | ||
443 | if (!UnregisterLogicalAddress()) | |
444 | return false; | |
445 | ||
446 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - registering address %x", __FUNCTION__, address); | |
447 | ||
448 | CLockObject lock(m_mutex); | |
449 | m_bLogicalAddressChanged = false; | |
450 | vc_cec_poll_address((CEC_AllDevices_T)address); | |
451 | ||
452 | // register the new LA | |
453 | int iRetval = vc_cec_set_logical_address((CEC_AllDevices_T)address, (CEC_DEVICE_TYPE_T)CCECTypeUtils::GetType(address), CEC_VENDOR_ID_BROADCOM); | |
454 | if (iRetval != VCHIQ_SUCCESS) | |
455 | { | |
456 | LIB_CEC->AddLog(CEC_LOG_ERROR, "%s - vc_cec_set_logical_address(%X) returned %s (%d)", __FUNCTION__, address, ToString((VC_CEC_ERROR_T)iRetval), iRetval); | |
457 | return false; | |
458 | } | |
459 | ||
057497c6 LOK |
460 | if (m_logicalAddressCondition.Wait(m_mutex, m_bLogicalAddressChanged)) |
461 | { | |
462 | m_bLogicalAddressRegistered = true; | |
463 | return true; | |
464 | } | |
465 | return false; | |
29104708 LOK |
466 | } |
467 | ||
468 | cec_logical_addresses CRPiCECAdapterCommunication::GetLogicalAddresses(void) | |
469 | { | |
470 | cec_logical_addresses addresses; addresses.Clear(); | |
471 | cec_logical_address current = GetLogicalAddress(); | |
472 | if (current != CECDEVICE_UNKNOWN) | |
473 | addresses.Set(current); | |
474 | ||
475 | return addresses; | |
476 | } | |
477 | ||
478 | bool CRPiCECAdapterCommunication::SetLogicalAddresses(const cec_logical_addresses &addresses) | |
479 | { | |
480 | // the current generation RPi only supports 1 LA, so just ensure that the primary address is registered | |
481 | return SupportsSourceLogicalAddress(addresses.primary) && | |
482 | RegisterLogicalAddress(addresses.primary); | |
483 | } | |
484 | ||
485 | void CRPiCECAdapterCommunication::InitHost(void) | |
486 | { | |
487 | if (!g_bHostInited) | |
488 | { | |
489 | g_bHostInited = true; | |
490 | bcm_host_init(); | |
491 | } | |
492 | } | |
493 | ||
494 | #endif |