Staging: add epl stack

This is the openPOWERLINK network stack from systec electronic.

It's a bit messed up as there is a driver mixed into the
middle of it, lots of work needs to be done to unwind the
different portions to make it sane.

Cc: Daniel Krueger <daniel.krueger@systec-electronic.com>
Cc: Ronald Sieber <Ronald.Sieber@systec-electronic.com>
Signed-off-by: Greg Kroah-Hartman <gregkh@suse.de>

diff --git a/drivers/staging/epl/user/EplObduCal.h b/drivers/staging/epl/user/EplObduCal.h
new file mode 100644
index 0000000..26d23c5
--- /dev/null
+++ b/drivers/staging/epl/user/EplObduCal.h
@@ -0,0 +1,148 @@
+/****************************************************************************
+
+  (c) SYSTEC electronic GmbH, D-07973 Greiz, August-Bebel-Str. 29
+      www.systec-electronic.com
+
+  Project:      openPOWERLINK
+
+  Description:  include file for communication abstraction layer
+                for the Epl-Obd-Userspace-Modul
+
+  License:
+
+    Redistribution and use in source and binary forms, with or without
+    modification, are permitted provided that the following conditions
+    are met:
+
+    1. Redistributions of source code must retain the above copyright
+       notice, this list of conditions and the following disclaimer.
+
+    2. Redistributions in binary form must reproduce the above copyright
+       notice, this list of conditions and the following disclaimer in the
+       documentation and/or other materials provided with the distribution.
+
+    3. Neither the name of SYSTEC electronic GmbH nor the names of its
+       contributors may be used to endorse or promote products derived
+       from this software without prior written permission. For written
+       permission, please contact info@systec-electronic.com.
+
+    THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
+    "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
+    LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
+    FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
+    COPYRIGHT HOLDERS OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
+    INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+    BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+    LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER
+    CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
+    LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN
+    ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
+    POSSIBILITY OF SUCH DAMAGE.
+
+    Severability Clause:
+
+        If a provision of this License is or becomes illegal, invalid or
+        unenforceable in any jurisdiction, that shall not affect:
+        1. the validity or enforceability in that jurisdiction of any other
+           provision of this License; or
+        2. the validity or enforceability in other jurisdictions of that or
+           any other provision of this License.
+
+  -------------------------------------------------------------------------
+
+                $RCSfile: EplObduCal.h,v $
+
+                $Author: D.Krueger $
+
+                $Revision: 1.4 $  $Date: 2008/04/17 21:36:32 $
+
+                $State: Exp $
+
+                Build Environment:
+                    GCC V3.4
+
+  -------------------------------------------------------------------------
+
+  Revision History:
+
+  2006/06/19 k.t.:   start of the implementation
+
+
+****************************************************************************/
+
+#include "../EplObd.h"
+
+#ifndef _EPLOBDUCAL_H_
+#define _EPLOBDUCAL_H_
+
+
+//---------------------------------------------------------------------------
+// const defines
+//---------------------------------------------------------------------------
+
+
+//---------------------------------------------------------------------------
+// typedef
+//---------------------------------------------------------------------------
+
+
+//---------------------------------------------------------------------------
+// function prototypes
+//---------------------------------------------------------------------------
+EPLDLLEXPORT tEplKernel PUBLIC EplObduCalWriteEntry (
+                                                unsigned int  uiIndex_p,
+                                                unsigned int  uiSubIndex_p,
+                                                void * pSrcData_p,
+                                                tEplObdSize   Size_p);
+//---------------------------------------------------------------------------
+EPLDLLEXPORT tEplKernel PUBLIC EplObduCalReadEntry (
+                                            unsigned int        uiIndex_p,
+                                            unsigned int        uiSubIndex_p,
+                                            void *       pDstData_p,
+                                            tEplObdSize *pSize_p);
+//---------------------------------------------------------------------------
+EPLDLLEXPORT tEplKernel PUBLIC EplObduCalAccessOdPart (
+                                                    tEplObdPart ObdPart_p,
+                                                    tEplObdDir Direction_p);
+//---------------------------------------------------------------------------
+EPLDLLEXPORT tEplKernel PUBLIC EplObduCalDefineVar (tEplVarParam MEM* pVarParam_p);
+//---------------------------------------------------------------------------
+EPLDLLEXPORT void* PUBLIC EplObduCalGetObjectDataPtr ( unsigned int uiIndex_p,
+                                            unsigned int uiSubIndex_p);
+//---------------------------------------------------------------------------
+EPLDLLEXPORT tEplKernel PUBLIC EplObduCalRegisterUserOd (tEplObdEntryPtr pUserOd_p);
+//---------------------------------------------------------------------------
+EPLDLLEXPORT void PUBLIC EplObduCalInitVarEntry (tEplObdVarEntry MEM* pVarEntry_p,
+                                        BYTE bType_p, tEplObdSize ObdSize_p);
+//---------------------------------------------------------------------------
+EPLDLLEXPORT tEplObdSize PUBLIC EplObduCalGetDataSize(unsigned int uiIndex_p,
+                                        unsigned int uiSubIndex_p);
+//---------------------------------------------------------------------------
+EPLDLLEXPORT unsigned int PUBLIC EplObduCalGetNodeId(void);
+//---------------------------------------------------------------------------
+EPLDLLEXPORT tEplKernel PUBLIC EplObduCalSetNodeId(unsigned int uiNodeId_p,
+                                         tEplObdNodeIdType NodeIdType_p);
+//---------------------------------------------------------------------------
+EPLDLLEXPORT tEplKernel PUBLIC EplObduCalGetAccessType(unsigned int uiIndex_p,
+                                        unsigned int   uiSubIndex_p,
+                                        tEplObdAccess* pAccessTyp_p);
+//---------------------------------------------------------------------------
+EPLDLLEXPORT tEplKernel PUBLIC EplObduCalReadEntryToLe (unsigned int        uiIndex_p,
+                                        unsigned int        uiSubIndex_p,
+                                        void *              pDstData_p,
+                                        tEplObdSize *       pSize_p);
+//---------------------------------------------------------------------------
+EPLDLLEXPORT tEplKernel PUBLIC EplObduCalWriteEntryFromLe (unsigned int  uiIndex_p,
+                                        unsigned int  uiSubIndex_p,
+                                        void *        pSrcData_p,
+                                        tEplObdSize   Size_p);
+//---------------------------------------------------------------------------
+EPLDLLEXPORT tEplKernel PUBLIC EplObduCalSearchVarEntry (EPL_MCO_DECL_INSTANCE_PTR_
+                                        unsigned int            uiIndex_p,
+                                        unsigned int            uiSubindex_p,
+                                        tEplObdVarEntry MEM**   ppVarEntry_p);
+
+
+#endif  // #ifndef _EPLOBDUCAL_H_
+
+