path: root/package/libcec/patches/libcec-imx6-support.patch

diff -Naur libcec-2.2.0/configure.ac libcec-2.2.0.patch/configure.ac
--- libcec-2.2.0/configure.ac	2014-11-01 01:51:37.000000000 +0100
+++ libcec-2.2.0.patch/configure.ac	2014-11-10 23:14:45.210162950 +0100
@@ -100,6 +100,14 @@
   esac
 fi
 
+## i.MX6 support
+AC_ARG_ENABLE([imx6],
+  [AS_HELP_STRING([--enable-imx6],
+  [enable support for freescale i.MX6 (default is no)])],
+  [use_imx6=$enableval],
+  [use_imx6=no])
+
+
 ## add the top dir and include to the include path, so we can include config.h and cec.h
 CPPFLAGS="$CPPFLAGS -I\$(abs_top_srcdir)/src -I\$(abs_top_srcdir)/include"
 
@@ -306,6 +314,17 @@
 fi
 
 
+## mark i.MX6 support as available
+if test "x$use_imx6" != "xno"; then
+  AC_DEFINE([HAVE_IMX_API],[1],[Define to 1 to include i.MX6 support])
+  AM_CONDITIONAL(USE_IMX_API, true)
+  features="$features\n  i.MX6 support :\t\t\tyes"
+  LIB_INFO="$LIB_INFO 'i.MX6'"
+else
+  AM_CONDITIONAL(USE_IMX_API, false)
+  features="$features\n  i.MX6 support :\t\t\tno"
+fi
+
 ## check if our build system is complete
 AC_CHECK_HEADER(algorithm,,AC_MSG_ERROR($msg_required_header_missing))
 AC_CHECK_HEADER(ctype.h,,AC_MSG_ERROR($msg_required_header_missing))
diff -Naur libcec-2.2.0/include/cectypes.h libcec-2.2.0.patch/include/cectypes.h
--- libcec-2.2.0/include/cectypes.h	2014-10-28 16:20:50.000000000 +0100
+++ libcec-2.2.0.patch/include/cectypes.h	2014-11-10 23:21:37.347945493 +0100
@@ -307,6 +307,17 @@
 #define CEC_EXYNOS_VIRTUAL_COM		"Exynos"
 
 /*!
+ * the path to use for the i.MX CEC wire
+ */
+#define CEC_IMX_PATH		"/dev/mxc_hdmi_cec"
+
+/*!
+ * the name of the virtual COM port to use for the i.MX CEC wire
+ */
+#define CEC_IMX_VIRTUAL_COM		"i.MX"
+
+
+/*!
  * Mimimum client version
  */
 #define CEC_MIN_LIB_VERSION          2
@@ -888,7 +899,8 @@
   ADAPTERTYPE_P8_DAUGHTERBOARD = 0x2,
   ADAPTERTYPE_RPI              = 0x100,
   ADAPTERTYPE_TDA995x          = 0x200,
-  ADAPTERTYPE_EXYNOS           = 0x300
+  ADAPTERTYPE_EXYNOS           = 0x300,
+  ADAPTERTYPE_IMX              = 0x400
 } cec_adapter_type;
 
 typedef struct cec_menu_language
diff -Naur libcec-2.2.0/src/lib/adapter/AdapterFactory.cpp libcec-2.2.0.patch/src/lib/adapter/AdapterFactory.cpp
--- libcec-2.2.0/src/lib/adapter/AdapterFactory.cpp	2014-10-28 16:20:50.000000000 +0100
+++ libcec-2.2.0.patch/src/lib/adapter/AdapterFactory.cpp	2014-11-10 23:18:08.761485552 +0100
@@ -57,6 +57,11 @@
 #include "Exynos/ExynosCECAdapterCommunication.h"
 #endif
 
+#if defined(HAVE_IMX_API)
+#include "IMX/IMXCECAdapterDetection.h"
+#include "IMX/IMXCECAdapterCommunication.h"
+#endif
+
 using namespace std;
 using namespace CEC;
 
@@ -127,7 +132,22 @@
 #endif
 
 
-#if !defined(HAVE_RPI_API) && !defined(HAVE_P8_USB) && !defined(HAVE_TDA995X_API)
+
+#if defined(HAVE_IMX_API)
+  if (iAdaptersFound < iBufSize && CIMXCECAdapterDetection::FindAdapter() &&
+      (!strDevicePath || !strcmp(strDevicePath, CEC_IMX_VIRTUAL_COM)))
+  {
+    snprintf(deviceList[iAdaptersFound].strComPath, sizeof(deviceList[iAdaptersFound].strComPath), CEC_IMX_PATH);
+    snprintf(deviceList[iAdaptersFound].strComName, sizeof(deviceList[iAdaptersFound].strComName), CEC_IMX_VIRTUAL_COM);
+    deviceList[iAdaptersFound].iVendorId = IMX_ADAPTER_VID;
+    deviceList[iAdaptersFound].iProductId = IMX_ADAPTER_PID;
+    deviceList[iAdaptersFound].adapterType = ADAPTERTYPE_IMX;
+    iAdaptersFound++;
+  }
+#endif
+
+
+#if !defined(HAVE_RPI_API) && !defined(HAVE_P8_USB) && !defined(HAVE_TDA995X_API) && !defined(HAVE_IMX_API)
 #error "libCEC doesn't have support for any type of adapter. please check your build system or configuration"
 #endif
 
@@ -151,11 +171,16 @@
     return new CRPiCECAdapterCommunication(m_lib->m_cec);
 #endif
 
+#if defined(HAVE_IMX_API)
+  if (!strcmp(strPort, CEC_IMX_VIRTUAL_COM))
+    return new CIMXCECAdapterCommunication(m_lib->m_cec);
+#endif
+
 #if defined(HAVE_P8_USB)
   return new CUSBCECAdapterCommunication(m_lib->m_cec, strPort, iBaudRate);
 #endif
 
-#if !defined(HAVE_RPI_API) && !defined(HAVE_P8_USB) && !defined(HAVE_TDA995X_API) && !defined(HAVE_EXYNOS_API)
+#if !defined(HAVE_RPI_API) && !defined(HAVE_P8_USB) && !defined(HAVE_TDA995X_API) && !defined(HAVE_EXYNOS_API) && !defined(HAVE_IMX_API)
   return NULL;
 #endif
 }
diff -Naur libcec-2.2.0/src/lib/adapter/IMX/AdapterMessageQueue.h libcec-2.2.0.patch/src/lib/adapter/IMX/AdapterMessageQueue.h
--- libcec-2.2.0/src/lib/adapter/IMX/AdapterMessageQueue.h	1970-01-01 01:00:00.000000000 +0100
+++ libcec-2.2.0.patch/src/lib/adapter/IMX/AdapterMessageQueue.h	2014-11-10 23:14:45.214162390 +0100
@@ -0,0 +1,134 @@
+#pragma once
+/*
+ * This file is part of the libCEC(R) library.
+ *
+ * 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 "lib/platform/threads/mutex.h"
+
+namespace CEC
+{
+  using namespace PLATFORM;
+  
+  class CAdapterMessageQueueEntry
+  {
+  public:
+    CAdapterMessageQueueEntry(const cec_command &command)
+       : m_bWaiting(true), m_retval((uint32_t)-1), m_bSucceeded(false)
+    {
+      m_hash = hashValue(
+    	uint32_t(command.opcode_set ? command.opcode : CEC_OPCODE_NONE),
+        command.initiator, command.destination);
+    }
+    
+    virtual ~CAdapterMessageQueueEntry(void) {}
+
+    /*!
+     * @brief Query result from worker thread
+     */
+    uint32_t Result() const
+    {
+      return m_retval;
+    }
+    
+    /*!
+     * @brief Signal waiting threads
+     */
+    void Broadcast(void)
+    {
+      CLockObject lock(m_mutex);
+      m_condition.Broadcast();
+    }
+
+    /*!
+     * @brief Signal waiting thread(s) when message matches this entry
+     */
+    bool CheckMatch(uint32_t opcode, cec_logical_address initiator, 
+                    cec_logical_address destination, uint32_t response)
+    {
+      uint32_t hash = hashValue(opcode, initiator, destination);
+      
+      if (hash == m_hash)
+      {
+        CLockObject lock(m_mutex);
+
+        m_retval = response;
+        m_bSucceeded = true;
+        m_condition.Signal();
+        return true;
+      }
+      
+      return false;
+    }
+
+    /*!
+     * @brief Wait for a response to this command.
+     * @param iTimeout The timeout to use while waiting.
+     * @return True when a response was received before the timeout passed, false otherwise.
+     */
+    bool Wait(uint32_t iTimeout)
+    {
+      CLockObject lock(m_mutex);
+      
+      bool bReturn = m_bSucceeded ? true : m_condition.Wait(m_mutex, m_bSucceeded, iTimeout);
+      m_bWaiting = false;
+      return bReturn;
+    }
+
+    /*!
+     * @return True while a thread is waiting for a signal or isn't waiting yet, false otherwise.
+     */
+    bool IsWaiting(void)
+    {
+      CLockObject lock(m_mutex);
+      return m_bWaiting;
+    }
+
+    /*!
+     * @return Hash value for given cec_command
+     */
+    static uint32_t hashValue(uint32_t opcode, 
+                              cec_logical_address initiator,  
+                              cec_logical_address destination)
+    {
+      return 1 | ((uint32_t)initiator << 8) | 
+             ((uint32_t)destination << 16) | ((uint32_t)opcode << 16);
+    }
+    
+  private:    
+    bool                         m_bWaiting;     /**< true while a thread is waiting or when it hasn't started waiting yet */
+    PLATFORM::CCondition<bool>   m_condition;    /**< the condition to wait on */
+    PLATFORM::CMutex             m_mutex;        /**< mutex for changes to this class */
+    uint32_t                  	 m_hash;
+    uint32_t                     m_retval;
+    bool                         m_bSucceeded;
+  };
+ 
+};
diff -Naur libcec-2.2.0/src/lib/adapter/IMX/IMXCECAdapterCommunication.cpp libcec-2.2.0.patch/src/lib/adapter/IMX/IMXCECAdapterCommunication.cpp
--- libcec-2.2.0/src/lib/adapter/IMX/IMXCECAdapterCommunication.cpp	1970-01-01 01:00:00.000000000 +0100
+++ libcec-2.2.0.patch/src/lib/adapter/IMX/IMXCECAdapterCommunication.cpp	2014-11-10 23:14:45.217161982 +0100
@@ -0,0 +1,328 @@
+/*
+ * This file is part of the libCEC(R) library.
+ *
+ * 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.
+ * 
+ * IMX adpater port is Copyright (C) 2013 by Stephan Rafin
+ * 
+ * You can redistribute this file 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.
+ *
+ *
+ */
+
+#include "env.h"
+
+#if defined(HAVE_IMX_API)
+#include "IMXCECAdapterCommunication.h"
+
+#include "lib/CECTypeUtils.h"
+#include "lib/LibCEC.h"
+#include "lib/platform/sockets/cdevsocket.h"
+#include "lib/platform/util/StdString.h"
+#include "lib/platform/util/buffer.h"
+
+/*
+ * Ioctl definitions from kernel header
+ */
+#define HDMICEC_IOC_MAGIC  'H'
+#define HDMICEC_IOC_SETLOGICALADDRESS _IOW(HDMICEC_IOC_MAGIC,  1, unsigned char)
+#define HDMICEC_IOC_STARTDEVICE _IO(HDMICEC_IOC_MAGIC,  2)
+#define HDMICEC_IOC_STOPDEVICE  _IO(HDMICEC_IOC_MAGIC,  3)
+#define HDMICEC_IOC_GETPHYADDRESS _IOR(HDMICEC_IOC_MAGIC,  4, unsigned char[4])
+
+#define MAX_CEC_MESSAGE_LEN 17
+
+#define MESSAGE_TYPE_RECEIVE_SUCCESS 1
+#define MESSAGE_TYPE_NOACK 2
+#define MESSAGE_TYPE_DISCONNECTED 3
+#define MESSAGE_TYPE_CONNECTED 4
+#define MESSAGE_TYPE_SEND_SUCCESS 5
+
+typedef struct hdmi_cec_event{
+  int event_type;
+  int msg_len;
+  unsigned char msg[MAX_CEC_MESSAGE_LEN];
+}hdmi_cec_event;
+
+
+using namespace std;
+using namespace CEC;
+using namespace PLATFORM;
+
+#include "AdapterMessageQueue.h"
+
+#define LIB_CEC m_callback->GetLib()
+
+// these are defined in nxp private header file
+#define CEC_MSG_SUCCESS                 0x00	/*Message transmisson Succeed*/
+#define CEC_CSP_OFF_STATE               0x80	/*CSP in Off State*/
+#define CEC_BAD_REQ_SERVICE             0x81	/*Bad .req service*/
+#define CEC_MSG_FAIL_UNABLE_TO_ACCESS	0x82	/*Message transmisson failed: Unable to access CEC line*/
+#define CEC_MSG_FAIL_ARBITRATION_ERROR	0x83	/*Message transmisson failed: Arbitration error*/
+#define CEC_MSG_FAIL_BIT_TIMMING_ERROR	0x84	/*Message transmisson failed: Bit timming error*/
+#define CEC_MSG_FAIL_DEST_NOT_ACK       0x85	/*Message transmisson failed: Destination Address not aknowledged*/
+#define CEC_MSG_FAIL_DATA_NOT_ACK       0x86	/*Message transmisson failed: Databyte not acknowledged*/
+
+
+CIMXCECAdapterCommunication::CIMXCECAdapterCommunication(IAdapterCommunicationCallback *callback) :
+    IAdapterCommunication(callback)/*,
+    m_bLogicalAddressChanged(false)*/
+{ 
+  CLockObject lock(m_mutex);
+
+  m_iNextMessage = 0;
+  //m_logicalAddresses.Clear();
+  m_logicalAddress = CECDEVICE_UNKNOWN;
+  m_bLogicalAddressRegistered = false;
+  m_bInitialised = false;
+  m_dev = new CCDevSocket(CEC_IMX_PATH);
+}
+
+CIMXCECAdapterCommunication::~CIMXCECAdapterCommunication(void)
+{
+  Close();
+
+  CLockObject lock(m_mutex);
+  delete m_dev;
+  m_dev = 0;
+}
+
+bool CIMXCECAdapterCommunication::IsOpen(void)
+{
+  return IsInitialised() && m_dev->IsOpen();
+}
+
+bool CIMXCECAdapterCommunication::Open(uint32_t iTimeoutMs, bool UNUSED(bSkipChecks), bool bStartListening)
+{
+  if (m_dev->Open(iTimeoutMs))
+  {
+    if (!bStartListening || CreateThread()) {
+      if (m_dev->Ioctl(HDMICEC_IOC_STARTDEVICE, NULL) == 0) {
+         m_bInitialised = true;
+         return true;
+      }
+      LIB_CEC->AddLog(CEC_LOG_ERROR, "%s: Unable to start device\n", __func__);
+    }
+    m_dev->Close();
+  }
+
+  return false;
+}
+
+
+void CIMXCECAdapterCommunication::Close(void)
+{
+  StopThread(0);
+
+  CLockObject lock(m_mutex);
+  if (!m_bInitialised) {
+    return;
+  }
+  if (m_dev->Ioctl(HDMICEC_IOC_STOPDEVICE, NULL) != 0) {
+    LIB_CEC->AddLog(CEC_LOG_ERROR, "%s: Unable to stop device\n", __func__);
+  }
+  m_dev->Close();
+  m_bInitialised = false;
+}
+
+
+std::string CIMXCECAdapterCommunication::GetError(void) const
+{
+  std::string strError(m_strError);
+  return strError;
+}
+
+
+cec_adapter_message_state CIMXCECAdapterCommunication::Write(
+  const cec_command &data, bool &UNUSED(bRetry), uint8_t UNUSED(iLineTimeout), bool UNUSED(bIsReply))
+{
+  //cec_frame frame;
+  unsigned char message[MAX_CEC_MESSAGE_LEN];
+  int msg_len = 1;
+  cec_adapter_message_state rc = ADAPTER_MESSAGE_STATE_ERROR;
+
+  if ((size_t)data.parameters.size + data.opcode_set + 1 > sizeof(message))
+  {
+    LIB_CEC->AddLog(CEC_LOG_ERROR, "%s: data size too large !", __func__);
+    return ADAPTER_MESSAGE_STATE_ERROR;
+  }
+
+  message[0] = (data.initiator << 4) | (data.destination & 0x0f);
+  if (data.opcode_set)
+  {
+    message[1] = data.opcode;
+    msg_len++;
+    memcpy(&message[2], data.parameters.data, data.parameters.size);
+    msg_len+=data.parameters.size;
+  }
+
+  if (m_dev->Write(message, msg_len) == msg_len)
+  {
+    rc = ADAPTER_MESSAGE_STATE_SENT_ACKED;
+  }
+    else
+      LIB_CEC->AddLog(CEC_LOG_ERROR, "%s: sent command error !", __func__);
+
+  return rc;
+}
+
+
+uint16_t CIMXCECAdapterCommunication::GetFirmwareVersion(void)
+{
+  /* FIXME add ioctl ? */
+  return 0;
+}
+
+
+cec_vendor_id CIMXCECAdapterCommunication::GetVendorId(void)
+{
+  return CEC_VENDOR_UNKNOWN;
+}
+
+
+uint16_t CIMXCECAdapterCommunication::GetPhysicalAddress(void)
+{
+  uint32_t info;
+  uint16_t phy_addr;
+
+  if (m_dev->Ioctl(HDMICEC_IOC_GETPHYADDRESS, &info) != 0)
+  {
+    LIB_CEC->AddLog(CEC_LOG_ERROR, "%s: HDMICEC_IOC_GETPHYADDRESS failed !", __func__);
+    return CEC_INVALID_PHYSICAL_ADDRESS; 
+  }
+  /* Rebuild 16 bit raw value from fsl 32 bits value */
+  phy_addr = ((info & 0x0f) << 12) | (info & 0x0f00) |
+             ((info & 0x0f0000) >> 12) | ((info & 0x0f000000) >> 24);
+
+  return phy_addr;
+}
+
+
+cec_logical_addresses CIMXCECAdapterCommunication::GetLogicalAddresses(void)
+{
+  cec_logical_addresses addresses;
+  addresses.Clear();
+
+  CLockObject lock(m_mutex);
+  if ((m_logicalAddress & (CECDEVICE_UNKNOWN | CECDEVICE_UNREGISTERED)) == 0)
+    addresses.Set(m_logicalAddress);
+
+  return addresses;
+}
+
+void CIMXCECAdapterCommunication::HandleLogicalAddressLost(cec_logical_address UNUSED(oldAddress))
+{
+  UnregisterLogicalAddress();
+}
+
+bool CIMXCECAdapterCommunication::UnregisterLogicalAddress(void)
+{
+  CLockObject lock(m_mutex);
+  if (!m_bLogicalAddressRegistered)
+    return true;
+
+  if (m_dev->Ioctl(HDMICEC_IOC_SETLOGICALADDRESS, (void *)CECDEVICE_BROADCAST) != 0)
+  {
+    LIB_CEC->AddLog(CEC_LOG_ERROR, "%s: HDMICEC_IOC_SETLOGICALADDRESS failed !", __func__);
+    return false;
+  }
+
+  m_logicalAddress = CECDEVICE_UNKNOWN;
+  m_bLogicalAddressRegistered = false;
+  return true;
+}
+
+bool CIMXCECAdapterCommunication::RegisterLogicalAddress(const cec_logical_address address)
+{
+  CLockObject lock(m_mutex);
+
+  if (m_logicalAddress == address && m_bLogicalAddressRegistered)
+  {
+    return true;
+  }
+
+  if (m_dev->Ioctl(HDMICEC_IOC_SETLOGICALADDRESS, (void *)address) != 0)
+  {
+    LIB_CEC->AddLog(CEC_LOG_ERROR, "%s: HDMICEC_IOC_SETLOGICALADDRESS failed !", __func__);
+    return false;
+  }
+
+  m_logicalAddress = address;
+  m_bLogicalAddressRegistered = true;
+  return true;
+}
+
+bool CIMXCECAdapterCommunication::SetLogicalAddresses(const cec_logical_addresses &addresses)
+{
+  int log_addr = addresses.primary;
+
+  return RegisterLogicalAddress((cec_logical_address)log_addr);
+}
+
+void *CIMXCECAdapterCommunication::Process(void)
+{
+  bool bHandled;
+  hdmi_cec_event event;
+  int ret;
+
+  uint32_t opcode, status;
+  cec_logical_address initiator, destination;
+
+  while (!IsStopped())
+  {
+    ret = m_dev->Read((char *)&event, sizeof(event), 5000);
+    if (ret > 0)
+    {
+
+      initiator = cec_logical_address(event.msg[0] >> 4);
+      destination = cec_logical_address(event.msg[0] & 0x0f);
+
+      //LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s: Read data : type : %d initiator %d dest %d", __func__, event.event_type, initiator, destination);
+      if (event.event_type == MESSAGE_TYPE_RECEIVE_SUCCESS)
+      /* Message received */
+      {
+        cec_command cmd;
+
+        cec_command::Format(
+          cmd, initiator, destination,
+          ( event.msg_len > 1 ) ? cec_opcode(event.msg[1]) : CEC_OPCODE_NONE);
+
+        for( uint8_t i = 2; i < event.msg_len; i++ )
+          cmd.parameters.PushBack(event.msg[i]);
+
+        if (!IsStopped())
+          m_callback->OnCommandReceived(cmd);
+      }
+
+      if (event.event_type == MESSAGE_TYPE_CONNECTED)
+      /* HDMI has just been reconnected - Notify  phy address*/
+      {
+        uint16_t iNewAddress = GetPhysicalAddress();
+        m_callback->HandlePhysicalAddressChanged(iNewAddress);
+      }
+      /* We are not interested in other events */
+    } /*else {
+      LIB_CEC->AddLog(CEC_LOG_DEBUG, "%s: Read returned %d", __func__, ret);
+    }*/
+
+  }
+
+  return 0;
+}
+
+#endif	// HAVE_IMX_API
diff -Naur libcec-2.2.0/src/lib/adapter/IMX/IMXCECAdapterCommunication.h libcec-2.2.0.patch/src/lib/adapter/IMX/IMXCECAdapterCommunication.h
--- libcec-2.2.0/src/lib/adapter/IMX/IMXCECAdapterCommunication.h	1970-01-01 01:00:00.000000000 +0100
+++ libcec-2.2.0.patch/src/lib/adapter/IMX/IMXCECAdapterCommunication.h	2014-11-10 23:14:45.217161982 +0100
@@ -0,0 +1,119 @@
+#pragma once
+/*
+ * This file is part of the libCEC(R) library.
+ *
+ * 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.
+ *
+ * IMX adpater port is Copyright (C) 2013 by Stephan Rafin
+ * 
+ * You can redistribute this file 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.
+ *
+ *
+ */
+
+#if defined(HAVE_IMX_API)
+
+#include "lib/platform/threads/mutex.h"
+#include "lib/platform/threads/threads.h"
+#include "lib/platform/sockets/socket.h"
+#include "lib/adapter/AdapterCommunication.h"
+#include <map>
+
+#define IMX_ADAPTER_VID 0x0471 /*FIXME TBD*/
+#define IMX_ADAPTER_PID 0x1001
+
+
+
+namespace PLATFORM
+{
+  class CCDevSocket;
+};
+
+
+namespace CEC
+{
+  class CAdapterMessageQueueEntry;
+
+  class CIMXCECAdapterCommunication : public IAdapterCommunication, public PLATFORM::CThread
+  {
+  public:
+    /*!
+     * @brief Create a new USB-CEC communication handler.
+     * @param callback The callback to use for incoming CEC commands.
+     */
+    CIMXCECAdapterCommunication(IAdapterCommunicationCallback *callback);
+    virtual ~CIMXCECAdapterCommunication(void);
+
+    /** @name IAdapterCommunication implementation */
+    ///{
+    bool Open(uint32_t iTimeoutMs = CEC_DEFAULT_CONNECT_TIMEOUT, bool bSkipChecks = false, bool bStartListening = true);
+    void Close(void);
+    bool IsOpen(void);
+    std::string GetError(void) const;
+    cec_adapter_message_state Write(const cec_command &data, bool &bRetry, uint8_t iLineTimeout, bool bIsReply);
+
+    bool SetLineTimeout(uint8_t UNUSED(iTimeout)) { return true; }
+    bool StartBootloader(void) { return false; }
+    bool SetLogicalAddresses(const cec_logical_addresses &addresses);
+    cec_logical_addresses GetLogicalAddresses(void);
+    bool PingAdapter(void) { return IsInitialised(); }
+    uint16_t GetFirmwareVersion(void);
+    uint32_t GetFirmwareBuildDate(void) { return 0; }
+    bool IsRunningLatestFirmware(void) { return true; }
+    bool PersistConfiguration(const libcec_configuration & UNUSED(configuration)) { return false; }
+    bool GetConfiguration(libcec_configuration & UNUSED(configuration)) { return false; }
+    std::string GetPortName(void) { return std::string("IMX"); }
+    uint16_t GetPhysicalAddress(void);
+    bool SetControlledMode(bool UNUSED(controlled)) { return true; }
+    cec_vendor_id GetVendorId(void);
+    bool SupportsSourceLogicalAddress(const cec_logical_address address) { return address > CECDEVICE_TV && address <= CECDEVICE_BROADCAST; }
+    cec_adapter_type GetAdapterType(void) { return ADAPTERTYPE_IMX; }
+    uint16_t GetAdapterVendorId(void) const { return IMX_ADAPTER_VID; }
+    uint16_t GetAdapterProductId(void) const { return IMX_ADAPTER_PID; }
+    void HandleLogicalAddressLost(cec_logical_address UNUSED(oldAddress));
+    void SetActiveSource(bool UNUSED(bSetTo), bool UNUSED(bClientUnregistered)) {}
+    bool RegisterLogicalAddress(const cec_logical_address address);
+    ///}
+
+    /** @name PLATFORM::CThread implementation */
+    ///{
+    void *Process(void);
+    ///}
+
+  private:
+    bool IsInitialised(void) const { return m_bInitialised; };
+    bool UnregisterLogicalAddress(void);
+
+    std::string                 m_strError; /**< current error message */
+
+    //cec_logical_addresses       m_logicalAddresses;
+    cec_logical_address         m_logicalAddress;
+
+    PLATFORM::CMutex            m_mutex;
+    PLATFORM::CCDevSocket       *m_dev;	/**< the device connection */
+    bool                        m_bLogicalAddressRegistered;
+    bool                        m_bInitialised;
+
+    PLATFORM::CMutex            m_messageMutex;
+    uint32_t                    m_iNextMessage;
+    std::map<uint32_t, CAdapterMessageQueueEntry *> m_messages;
+  };
+  
+};
+
+#endif
diff -Naur libcec-2.2.0/src/lib/adapter/IMX/IMXCECAdapterDetection.cpp libcec-2.2.0.patch/src/lib/adapter/IMX/IMXCECAdapterDetection.cpp
--- libcec-2.2.0/src/lib/adapter/IMX/IMXCECAdapterDetection.cpp	1970-01-01 01:00:00.000000000 +0100
+++ libcec-2.2.0.patch/src/lib/adapter/IMX/IMXCECAdapterDetection.cpp	2014-11-10 23:14:45.215162253 +0100
@@ -0,0 +1,42 @@
+/*
+ * This file is part of the libCEC(R) library.
+ *
+ * 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.
+ * 
+ * IMX adpater port is Copyright (C) 2013 by Stephan Rafin
+ * 
+ * You can redistribute this file 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.
+ *
+ *
+ */
+
+#include "env.h"
+#include <stdio.h>
+
+#if defined(HAVE_IMX_API)
+#include "IMXCECAdapterDetection.h"
+
+
+using namespace CEC;
+
+bool CIMXCECAdapterDetection::FindAdapter(void)
+{
+  return access(CEC_IMX_PATH, 0) == 0;
+}
+
+#endif
diff -Naur libcec-2.2.0/src/lib/adapter/IMX/IMXCECAdapterDetection.h libcec-2.2.0.patch/src/lib/adapter/IMX/IMXCECAdapterDetection.h
--- libcec-2.2.0/src/lib/adapter/IMX/IMXCECAdapterDetection.h	1970-01-01 01:00:00.000000000 +0100
+++ libcec-2.2.0.patch/src/lib/adapter/IMX/IMXCECAdapterDetection.h	2014-11-10 23:14:45.215162253 +0100
@@ -0,0 +1,36 @@
+#pragma once
+/*
+ * This file is part of the libCEC(R) library.
+ *
+ * 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.
+ * 
+ * IMX adpater port is Copyright (C) 2013 by Stephan Rafin
+ * 
+ * You can redistribute this file 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.
+ *
+ *
+ */
+
+namespace CEC
+{
+  class CIMXCECAdapterDetection
+  {
+  public:
+    static bool FindAdapter(void);
+  };
+}
diff -Naur libcec-2.2.0/src/lib/CECTypeUtils.h libcec-2.2.0.patch/src/lib/CECTypeUtils.h
--- libcec-2.2.0/src/lib/CECTypeUtils.h	2014-10-28 16:20:50.000000000 +0100
+++ libcec-2.2.0.patch/src/lib/CECTypeUtils.h	2014-11-10 23:14:45.212162668 +0100
@@ -877,6 +877,8 @@
         return "Raspberry Pi";
       case ADAPTERTYPE_TDA995x:
         return "TDA995x";
+      case ADAPTERTYPE_IMX:
+        return "i.MX";
       default:
         return "unknown";
       }
diff -Naur libcec-2.2.0/src/lib/Makefile.am libcec-2.2.0.patch/src/lib/Makefile.am
--- libcec-2.2.0/src/lib/Makefile.am	2014-10-28 16:20:50.000000000 +0100
+++ libcec-2.2.0.patch/src/lib/Makefile.am	2014-11-10 23:20:02.597700521 +0100
@@ -63,6 +63,12 @@
                      adapter/TDA995x/TDA995xCECAdapterCommunication.cpp
 endif
 
+## i.MX6 support
+if USE_IMX_API
+libcec_la_SOURCES += adapter/IMX/IMXCECAdapterDetection.cpp \
+                     adapter/IMX/IMXCECAdapterCommunication.cpp
+endif
+
 ## Exynos support
 if USE_EXYNOS_API
 libcec_la_SOURCES += adapter/Exynos/ExynosCECAdapterDetection.cpp \