1 files changed, 113 insertions, 0 deletions

diff --git a/drivers/gpu/pvr/mmap.h b/drivers/gpu/pvr/mmap.h
new file mode 100644
index 00000000000..486154a241f
--- /dev/null
+++ b/drivers/gpu/pvr/mmap.h
@@ -0,0 +1,113 @@
+/**********************************************************************
+ *
+ * Copyright(c) 2008 Imagination Technologies Ltd. All rights reserved.
+ * 
+ * This program is free software; you can redistribute it and/or modify it
+ * under the terms and conditions of the GNU General Public License,
+ * version 2, as published by the Free Software Foundation.
+ * 
+ * This program is distributed in the hope it will be useful but, except 
+ * as otherwise stated in writing, 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.,
+ * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
+ * 
+ * The full GNU General Public License is included in this distribution in
+ * the file called "COPYING".
+ *
+ * Contact Information:
+ * Imagination Technologies Ltd. <gpl-support@imgtec.com>
+ * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK 
+ *
+ ******************************************************************************/
+
+#if !defined(__MMAP_H__)
+#define __MMAP_H__
+
+#include <linux/mm.h>
+#include <linux/list.h>
+
+#if defined(VM_MIXEDMAP)
+#define PVR_MAKE_ALL_PFNS_SPECIAL
+#endif
+
+#include "perproc.h"
+#include "mm.h"
+
+typedef struct KV_OFFSET_STRUCT_TAG
+{
+    
+    IMG_UINT32                  ui32Mapped;
+
+    
+    IMG_UINT32                  ui32MMapOffset;
+    
+    IMG_UINT32                  ui32RealByteSize;
+
+    
+    LinuxMemArea                *psLinuxMemArea;
+    
+#if !defined(PVR_MAKE_ALL_PFNS_SPECIAL)
+    
+    IMG_UINT32                  ui32TID;
+#endif
+
+    
+    IMG_UINT32                  ui32PID;
+
+    
+    IMG_BOOL                    bOnMMapList;
+
+    
+    IMG_UINT32                  ui32RefCount;
+
+    
+    IMG_UINT32                  ui32UserVAddr;
+
+    
+#if defined(DEBUG_LINUX_MMAP_AREAS)
+    const IMG_CHAR              *pszName;
+#endif
+    
+   
+   struct list_head             sMMapItem;
+
+   
+   struct list_head             sAreaItem;
+}KV_OFFSET_STRUCT, *PKV_OFFSET_STRUCT;
+
+
+
+IMG_VOID PVRMMapInit(IMG_VOID);
+
+
+IMG_VOID PVRMMapCleanup(IMG_VOID);
+
+
+PVRSRV_ERROR PVRMMapRegisterArea(LinuxMemArea *psLinuxMemArea);
+
+
+PVRSRV_ERROR PVRMMapRemoveRegisteredArea(LinuxMemArea *psLinuxMemArea);
+
+
+PVRSRV_ERROR PVRMMapOSMemHandleToMMapData(PVRSRV_PER_PROCESS_DATA *psPerProc,
+                                             IMG_HANDLE hMHandle,
+                                             IMG_UINT32 *pui32MMapOffset,
+                                             IMG_UINT32 *pui32ByteOffset,
+                                             IMG_UINT32 *pui32RealByteSize,                                                  IMG_UINT32 *pui32UserVAddr);
+
+PVRSRV_ERROR
+PVRMMapReleaseMMapData(PVRSRV_PER_PROCESS_DATA *psPerProc,
+                                IMG_HANDLE hMHandle,
+                                IMG_BOOL *pbMUnmap,
+                                IMG_UINT32 *pui32RealByteSize,
+                                IMG_UINT32 *pui32UserVAddr);
+
+int PVRMMap(struct file* pFile, struct vm_area_struct* ps_vma);
+
+
+#endif  
+