Commit | Line | Data |
---|---|---|
cbbe90dd JB |
1 | /* |
2 | * This file is part of the libCEC(R) library. | |
3 | * | |
4 | * libCEC(R) is Copyright (C) 2011-2013 Pulse-Eight Limited. All rights reserved. | |
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 | ||
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 | ||
68 | CRPiCECAdapterCommunication::CRPiCECAdapterCommunication(IAdapterCommunicationCallback *callback) : | |
69 | IAdapterCommunication(callback), | |
70 | m_logicalAddress(CECDEVICE_UNKNOWN), | |
71 | m_bLogicalAddressChanged(false), | |
72 | m_previousLogicalAddress(CECDEVICE_FREEUSE), | |
73 | m_bLogicalAddressRegistered(false) | |
74 | { | |
75 | m_queue = new CRPiCECAdapterMessageQueue(this); | |
76 | } | |
77 | ||
78 | CRPiCECAdapterCommunication::~CRPiCECAdapterCommunication(void) | |
79 | { | |
80 | delete(m_queue); | |
81 | UnregisterLogicalAddress(); | |
82 | Close(); | |
83 | vc_cec_set_passive(false); | |
84 | } | |
85 | ||
86 | const char *ToString(const VC_CEC_ERROR_T error) | |
87 | { | |
88 | switch(error) | |
89 | { | |
90 | case VC_CEC_SUCCESS: | |
91 | return "success"; | |
92 | case VC_CEC_ERROR_NO_ACK: | |
93 | return "no ack"; | |
94 | case VC_CEC_ERROR_SHUTDOWN: | |
95 | return "shutdown"; | |
96 | case VC_CEC_ERROR_BUSY: | |
97 | return "device is busy"; | |
98 | case VC_CEC_ERROR_NO_LA: | |
99 | return "no logical address"; | |
100 | case VC_CEC_ERROR_NO_PA: | |
101 | return "no physical address"; | |
102 | case VC_CEC_ERROR_NO_TOPO: | |
103 | return "no topology"; | |
104 | case VC_CEC_ERROR_INVALID_FOLLOWER: | |
105 | return "invalid follower"; | |
106 | case VC_CEC_ERROR_INVALID_ARGUMENT: | |
107 | return "invalid arg"; | |
108 | default: | |
109 | return "unknown"; | |
110 | } | |
111 | } | |
112 | ||
113 | bool CRPiCECAdapterCommunication::IsInitialised(void) | |
114 | { | |
115 | CLockObject lock(m_mutex); | |
116 | return m_bInitialised; | |
117 | } | |
118 | ||
119 | void CRPiCECAdapterCommunication::OnTVServiceCallback(uint32_t reason, uint32_t UNUSED(p0), uint32_t UNUSED(p1)) | |
120 | { | |
121 | switch(reason) | |
122 | { | |
123 | case VC_HDMI_ATTACHED: | |
124 | { | |
125 | uint16_t iNewAddress = GetPhysicalAddress(); | |
126 | m_callback->HandlePhysicalAddressChanged(iNewAddress); | |
127 | break; | |
128 | } | |
129 | case VC_HDMI_UNPLUGGED: | |
130 | case VC_HDMI_DVI: | |
131 | case VC_HDMI_HDMI: | |
132 | case VC_HDMI_HDCP_UNAUTH: | |
133 | case VC_HDMI_HDCP_AUTH: | |
134 | case VC_HDMI_HDCP_KEY_DOWNLOAD: | |
135 | case VC_HDMI_HDCP_SRM_DOWNLOAD: | |
136 | default: | |
137 | break; | |
138 | } | |
139 | } | |
140 | ||
141 | void CRPiCECAdapterCommunication::OnDataReceived(uint32_t header, uint32_t p0, uint32_t p1, uint32_t p2, uint32_t p3) | |
142 | { | |
143 | VC_CEC_NOTIFY_T reason = (VC_CEC_NOTIFY_T)CEC_CB_REASON(header); | |
144 | ||
145 | #ifdef CEC_DEBUGGING | |
146 | 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); | |
147 | #endif | |
148 | ||
149 | switch (reason) | |
150 | { | |
151 | case VC_CEC_RX: | |
152 | // CEC data received | |
153 | { | |
154 | // translate into a VC_CEC_MESSAGE_T | |
155 | VC_CEC_MESSAGE_T message; | |
156 | vc_cec_param2message(header, p0, p1, p2, p3, &message); | |
157 | ||
158 | // translate to a cec_command | |
159 | cec_command command; | |
160 | cec_command::Format(command, | |
161 | (cec_logical_address)message.initiator, | |
162 | (cec_logical_address)message.follower, | |
163 | (cec_opcode)CEC_CB_OPCODE(p0)); | |
164 | ||
165 | // copy parameters | |
166 | for (uint8_t iPtr = 1; iPtr < message.length; iPtr++) | |
167 | command.PushBack(message.payload[iPtr]); | |
168 | ||
169 | // send to libCEC | |
170 | m_callback->OnCommandReceived(command); | |
171 | } | |
172 | break; | |
173 | case VC_CEC_TX: | |
174 | { | |
175 | // handle response to a command that was sent earlier | |
176 | 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)); | |
177 | } | |
178 | break; | |
179 | case VC_CEC_BUTTON_PRESSED: | |
180 | case VC_CEC_REMOTE_PRESSED: | |
181 | { | |
182 | // translate into a cec_command | |
183 | cec_command command; | |
184 | cec_command::Format(command, | |
185 | (cec_logical_address)CEC_CB_INITIATOR(p0), | |
186 | (cec_logical_address)CEC_CB_FOLLOWER(p0), | |
187 | reason == VC_CEC_BUTTON_PRESSED ? CEC_OPCODE_USER_CONTROL_PRESSED : CEC_OPCODE_VENDOR_REMOTE_BUTTON_DOWN); | |
188 | command.parameters.PushBack((uint8_t)CEC_CB_OPERAND1(p0)); | |
189 | ||
190 | // send to libCEC | |
191 | m_callback->OnCommandReceived(command); | |
192 | } | |
193 | break; | |
194 | case VC_CEC_BUTTON_RELEASE: | |
195 | case VC_CEC_REMOTE_RELEASE: | |
196 | { | |
197 | // translate into a cec_command | |
198 | cec_command command; | |
199 | cec_command::Format(command, | |
200 | (cec_logical_address)CEC_CB_INITIATOR(p0), | |
201 | (cec_logical_address)CEC_CB_FOLLOWER(p0), | |
202 | reason == VC_CEC_BUTTON_PRESSED ? CEC_OPCODE_USER_CONTROL_RELEASE : CEC_OPCODE_VENDOR_REMOTE_BUTTON_UP); | |
203 | command.parameters.PushBack((uint8_t)CEC_CB_OPERAND1(p0)); | |
204 | ||
205 | // send to libCEC | |
206 | m_callback->OnCommandReceived(command); | |
207 | } | |
208 | break; | |
209 | case VC_CEC_LOGICAL_ADDR: | |
210 | { | |
211 | CLockObject lock(m_mutex); | |
212 | m_previousLogicalAddress = m_logicalAddress; | |
213 | if (CEC_CB_RC(header) == VCHIQ_SUCCESS) | |
214 | { | |
215 | m_bLogicalAddressChanged = true; | |
216 | m_logicalAddress = (cec_logical_address)(p0 & 0xF); | |
217 | m_bLogicalAddressRegistered = true; | |
218 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "logical address changed to %s (%x)", LIB_CEC->ToString(m_logicalAddress), m_logicalAddress); | |
219 | } | |
220 | else | |
221 | { | |
222 | m_logicalAddress = CECDEVICE_FREEUSE; | |
223 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "failed to change the logical address, reset to %s (%x)", LIB_CEC->ToString(m_logicalAddress), m_logicalAddress); | |
224 | } | |
225 | m_logicalAddressCondition.Signal(); | |
226 | } | |
227 | break; | |
228 | case VC_CEC_LOGICAL_ADDR_LOST: | |
229 | { | |
230 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "logical %s (%x) address lost", LIB_CEC->ToString(m_logicalAddress), m_logicalAddress); | |
231 | // the logical address was taken by another device | |
232 | cec_logical_address previousAddress = m_logicalAddress == CECDEVICE_FREEUSE ? m_previousLogicalAddress : m_logicalAddress; | |
233 | m_logicalAddress = CECDEVICE_UNKNOWN; | |
234 | ||
235 | // notify libCEC that we lost our LA when the connection was initialised | |
236 | bool bNotify(false); | |
237 | { | |
238 | CLockObject lock(m_mutex); | |
239 | bNotify = m_bInitialised && m_bLogicalAddressRegistered; | |
240 | } | |
241 | if (bNotify) | |
242 | m_callback->HandleLogicalAddressLost(previousAddress); | |
243 | } | |
244 | break; | |
245 | case VC_CEC_TOPOLOGY: | |
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 | ||
296 | bool CRPiCECAdapterCommunication::Open(uint32_t iTimeoutMs /* = CEC_DEFAULT_CONNECT_TIMEOUT */, bool UNUSED(bSkipChecks) /* = false */, bool bStartListening) | |
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 | ||
308 | // register the callbacks | |
309 | vc_cec_register_callback(rpi_cec_callback, (void*)this); | |
310 | vc_tv_register_callback(rpi_tv_callback, (void*)this); | |
311 | ||
312 | // register LA "freeuse" | |
313 | if (RegisterLogicalAddress(CECDEVICE_FREEUSE, iTimeoutMs)) | |
314 | { | |
315 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - vc_cec initialised", __FUNCTION__); | |
316 | CLockObject lock(m_mutex); | |
317 | m_bInitialised = true; | |
318 | } | |
319 | else | |
320 | { | |
321 | LIB_CEC->AddLog(CEC_LOG_ERROR, "%s - vc_cec could not be initialised", __FUNCTION__); | |
322 | return false; | |
323 | } | |
324 | } | |
325 | ||
326 | return true; | |
327 | } | |
328 | ||
329 | uint16_t CRPiCECAdapterCommunication::GetPhysicalAddress(void) | |
330 | { | |
331 | uint16_t iPA(CEC_INVALID_PHYSICAL_ADDRESS); | |
332 | if (!IsInitialised()) | |
333 | return iPA; | |
334 | ||
335 | if (vc_cec_get_physical_address(&iPA) == VCHIQ_SUCCESS) | |
336 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - physical address = %04x", __FUNCTION__, iPA); | |
337 | else | |
338 | { | |
339 | LIB_CEC->AddLog(CEC_LOG_WARNING, "%s - failed to get the physical address", __FUNCTION__); | |
340 | iPA = CEC_INVALID_PHYSICAL_ADDRESS; | |
341 | } | |
342 | ||
343 | return iPA; | |
344 | } | |
345 | ||
346 | void CRPiCECAdapterCommunication::Close(void) | |
347 | { | |
348 | if (m_bInitialised) { | |
349 | vc_tv_unregister_callback(rpi_tv_callback); | |
350 | m_bInitialised = false; | |
351 | } | |
352 | ||
353 | if (!g_bHostInited) | |
354 | { | |
355 | g_bHostInited = false; | |
356 | bcm_host_deinit(); | |
357 | } | |
358 | } | |
359 | ||
360 | std::string CRPiCECAdapterCommunication::GetError(void) const | |
361 | { | |
362 | std::string strError(m_strError); | |
363 | return strError; | |
364 | } | |
365 | ||
366 | cec_adapter_message_state CRPiCECAdapterCommunication::Write(const cec_command &data, bool &bRetry, uint8_t iLineTimeout, bool bIsReply) | |
367 | { | |
368 | VC_CEC_ERROR_T vcAnswer; | |
369 | uint32_t iTimeout = (data.transmit_timeout ? data.transmit_timeout : iLineTimeout*1000); | |
370 | ||
371 | cec_adapter_message_state rc = m_queue->Write(data, bRetry, iTimeout, bIsReply, vcAnswer); | |
372 | #ifdef CEC_DEBUGGING | |
373 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "sending data: result %s", ToString(vcAnswer)); | |
374 | #endif | |
375 | return rc; | |
376 | } | |
377 | ||
378 | uint16_t CRPiCECAdapterCommunication::GetFirmwareVersion(void) | |
379 | { | |
380 | return VC_CECSERVICE_VER; | |
381 | } | |
382 | ||
383 | cec_logical_address CRPiCECAdapterCommunication::GetLogicalAddress(void) | |
384 | { | |
385 | CLockObject lock(m_mutex); | |
386 | ||
387 | return m_logicalAddress; | |
388 | } | |
389 | ||
390 | bool CRPiCECAdapterCommunication::UnregisterLogicalAddress(void) | |
391 | { | |
392 | CLockObject lock(m_mutex); | |
393 | if (!m_bInitialised) | |
394 | return true; | |
395 | ||
396 | LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s - releasing previous logical address", __FUNCTION__); | |
397 | { | |
398 | CLockObject lock(m_mutex); | |
399 | m_bLogicalAddressRegistered = false; | |
400 | m_bLogicalAddressChanged = false; | |
401 | } | |
402 | ||
403 | vc_cec_release_logical_address(); | |
404 | ||
405 | return m_logicalAddressCondition.Wait(m_mutex, m_bLogicalAddressChanged); | |
406 | } | |
407 | ||
408 | bool CRPiCECAdapterCommunication::RegisterLogicalAddress(const cec_logical_address address, uint32_t iTimeoutMs) | |
409 | { | |
410 | { | |
411 | CLockObject lock(m_mutex); | |
412 | if ((m_logicalAddress == address) && m_bLogicalAddressRegistered) | |
413 | return true; | |
414 | } | |
415 | ||
416 | m_bLogicalAddressChanged = false; | |
417 | ||
418 | // register the new LA | |
419 | int iRetval = vc_cec_set_logical_address((CEC_AllDevices_T)address, (CEC_DEVICE_TYPE_T)CCECTypeUtils::GetType(address), CEC_VENDOR_ID_BROADCOM); | |
420 | if (iRetval != VCHIQ_SUCCESS) | |
421 | { | |
422 | 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); | |
423 | UnregisterLogicalAddress(); | |
424 | } | |
425 | else if (m_logicalAddressCondition.Wait(m_mutex, m_bLogicalAddressChanged, iTimeoutMs)) | |
426 | { | |
427 | return true; | |
428 | } | |
429 | return false; | |
430 | } | |
431 | ||
432 | cec_logical_addresses CRPiCECAdapterCommunication::GetLogicalAddresses(void) | |
433 | { | |
434 | cec_logical_addresses addresses; addresses.Clear(); | |
435 | if (m_bLogicalAddressRegistered) | |
436 | addresses.primary = GetLogicalAddress(); | |
437 | ||
438 | return addresses; | |
439 | } | |
440 | ||
441 | bool CRPiCECAdapterCommunication::SetLogicalAddresses(const cec_logical_addresses &addresses) | |
442 | { | |
443 | // the current generation RPi only supports 1 LA, so just ensure that the primary address is registered | |
444 | return SupportsSourceLogicalAddress(addresses.primary) && | |
445 | RegisterLogicalAddress(addresses.primary); | |
446 | } | |
447 | ||
448 | void CRPiCECAdapterCommunication::InitHost(void) | |
449 | { | |
450 | if (!g_bHostInited) | |
451 | { | |
452 | g_bHostInited = true; | |
453 | bcm_host_init(); | |
454 | } | |
455 | } | |
456 | ||
457 | #endif |