+/*
+ * This file is part of the libCEC(R) library.
+ *
+ * libCEC Exynos Code is Copyright (C) 2014 Valentin Manea
+ * libCEC(R) is Copyright (C) 2011-2013 Pulse-Eight Limited. All rights reserved.
+ * libCEC(R) is an original work, containing original code.
+ *
+ * libCEC(R) is a trademark of Pulse-Eight Limited.
+ *
+ * This program is dual-licensed; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston, MA 02111-1307, USA.
+ *
+ *
+ * Alternatively, you can license this library under a commercial license,
+ * please contact Pulse-Eight Licensing for more information.
+ *
+ * For more information contact:
+ * Pulse-Eight Licensing <license@pulse-eight.com>
+ * http://www.pulse-eight.com/
+ * http://www.pulse-eight.net/
+ */
+
+#include "env.h"
+#include <fcntl.h>
+#include <sys/ioctl.h>
+
+
+#if defined(HAVE_EXYNOS_API)
+#include "ExynosCEC.h"
+#include "ExynosCECAdapterCommunication.h"
+
+#include "lib/CECTypeUtils.h"
+#include "lib/LibCEC.h"
+#include "lib/platform/util/StdString.h"
+#include "lib/platform/util/buffer.h"
+
+using namespace std;
+using namespace CEC;
+using namespace PLATFORM;
+
+#define LIB_CEC m_callback->GetLib()
+
+
+CExynosCECAdapterCommunication::CExynosCECAdapterCommunication(IAdapterCommunicationCallback *callback) :
+ IAdapterCommunication(callback),
+ m_bLogicalAddressChanged(false)
+{
+ CLockObject lock(m_mutex);
+
+ m_logicalAddresses.Clear();
+ m_fd = INVALID_SOCKET_VALUE;
+}
+
+
+CExynosCECAdapterCommunication::~CExynosCECAdapterCommunication(void)
+{
+ Close();
+}
+
+
+bool CExynosCECAdapterCommunication::IsOpen(void)
+{
+ return IsInitialised() && m_fd != INVALID_SOCKET_VALUE;
+}
+
+
+bool CExynosCECAdapterCommunication::Open(uint32_t UNUSED(iTimeoutMs), bool UNUSED(bSkipChecks), bool bStartListening)
+{
+ if (m_fd != INVALID_SOCKET_VALUE)
+ close(m_fd);
+
+ if ((m_fd = open(CEC_EXYNOS_PATH, O_RDWR)) > 0)
+ {
+ if (!bStartListening || CreateThread()) {
+ return true;
+ }
+ close(m_fd);
+ }
+ return false;
+}
+
+
+void CExynosCECAdapterCommunication::Close(void)
+{
+ StopThread(0);
+
+ close(m_fd);
+ m_fd = INVALID_SOCKET_VALUE;
+}
+
+
+std::string CExynosCECAdapterCommunication::GetError(void) const
+{
+ std::string strError(m_strError);
+ return strError;
+}
+
+
+cec_adapter_message_state CExynosCECAdapterCommunication::Write(
+ const cec_command &data, bool &UNUSED(bRetry), uint8_t UNUSED(iLineTimeout), bool UNUSED(bIsReply))
+{
+ uint8_t buffer[CEC_MAX_FRAME_SIZE];
+ int32_t size = 1;
+ cec_adapter_message_state rc = ADAPTER_MESSAGE_STATE_ERROR;
+
+ if (!IsOpen())
+ return rc;
+
+ if ((size_t)data.parameters.size + data.opcode_set > sizeof(buffer))
+ {
+ LIB_CEC->AddLog(CEC_LOG_ERROR, "%s: data size too large !", __func__);
+ return ADAPTER_MESSAGE_STATE_ERROR;
+ }
+
+ buffer[0] = (data.initiator << 4) | (data.destination & 0x0f);
+
+ if (data.opcode_set)
+ {
+ buffer[1] = data.opcode;
+ size++;
+
+ memcpy(&buffer[size], data.parameters.data, data.parameters.size);
+ size += data.parameters.size;
+ }
+
+ if (write(m_fd, (void *)buffer, size) == size)
+ {
+ rc = ADAPTER_MESSAGE_STATE_SENT_ACKED;
+ }
+ else
+ {
+ LIB_CEC->AddLog(CEC_LOG_ERROR, "%s: write failed !", __func__);
+ }
+
+ return rc;
+}
+
+
+uint16_t CExynosCECAdapterCommunication::GetFirmwareVersion(void)
+{
+ return 0;
+}
+
+
+cec_vendor_id CExynosCECAdapterCommunication::GetVendorId(void)
+{
+ return cec_vendor_id(CEC_VENDOR_SAMSUNG);
+}
+
+
+uint16_t CExynosCECAdapterCommunication::GetPhysicalAddress(void)
+{
+ uint16_t phys_addr = CEC_DEFAULT_PADDR;
+
+ FILE *f = fopen(CEC_PADDR_NAME, "r");
+ if(f) {
+ if(fscanf(f, "%hu", &phys_addr) != 1)
+ phys_addr = CEC_DEFAULT_PADDR;
+
+ fclose(f);
+ }
+ return phys_addr;
+}
+
+
+cec_logical_addresses CExynosCECAdapterCommunication::GetLogicalAddresses(void)
+{
+ return m_logicalAddresses;
+}
+
+
+bool CExynosCECAdapterCommunication::SetLogicalAddresses(const cec_logical_addresses &addresses)
+{
+ unsigned int log_addr = addresses.primary;
+ CLockObject lock(m_mutex);
+
+ if (!IsOpen())
+ return false;
+
+ if (ioctl(m_fd, CEC_IOC_SETLADDR, &log_addr))
+ {
+ LIB_CEC->AddLog(CEC_LOG_ERROR, "%s: IOCTL SetLogicalAddr failed !", __func__);
+ return false;
+ }
+ m_logicalAddresses = addresses;
+ m_bLogicalAddressChanged = true;
+
+ return true;
+}
+
+
+void CExynosCECAdapterCommunication::HandleLogicalAddressLost(cec_logical_address UNUSED(oldAddress))
+{
+ unsigned int log_addr = CECDEVICE_BROADCAST;
+ if (ioctl(m_fd, CEC_IOC_SETLADDR, &log_addr))
+ {
+ LIB_CEC->AddLog(CEC_LOG_ERROR, "%s: IOCTL SetLogicalAddr failed !", __func__);
+ }
+}
+
+
+void *CExynosCECAdapterCommunication::Process(void)
+{
+ uint8_t buffer[CEC_MAX_FRAME_SIZE];
+ uint32_t size;
+ fd_set rfds;
+ cec_logical_address initiator, destination;
+
+ if (!IsOpen())
+ return 0;
+
+ FD_ZERO(&rfds);
+ FD_SET(m_fd, &rfds);
+
+ while (!IsStopped())
+ {
+ if (select(m_fd + 1, &rfds, NULL, NULL, NULL) >= 0 )
+ {
+ size = read(m_fd, buffer, CEC_MAX_FRAME_SIZE);
+
+ if (size > 0)
+ {
+ initiator = cec_logical_address(buffer[0] >> 4);
+ destination = cec_logical_address(buffer[0] & 0x0f);
+
+ cec_command cmd;
+
+ cec_command::Format(
+ cmd, initiator, destination,
+ ( size > 1 ) ? cec_opcode(buffer[1]) : CEC_OPCODE_NONE);
+
+ for( uint8_t i = 2; i < size; i++ )
+ cmd.parameters.PushBack(buffer[i]);
+
+ if (!IsStopped())
+ m_callback->OnCommandReceived(cmd);
+ }
+ }
+
+ }
+
+ return 0;
+}
+
+#endif // HAVE_EXYNOS_API