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sources from http://omapzoom.org

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diff --git a/pvr-source/services4/srvkm/include/queue.h b/pvr-source/services4/srvkm/include/queue.h
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+/*************************************************************************/ /*!
+@Title          Command Queue API
+@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
+@Description    Internal structures and definitions for command queues
+@License        Dual MIT/GPLv2
+
+The contents of this file are subject to the MIT license as set out below.
+
+Permission is hereby granted, free of charge, to any person obtaining a copy
+of this software and associated documentation files (the "Software"), to deal
+in the Software without restriction, including without limitation the rights
+to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
+copies of the Software, and to permit persons to whom the Software is
+furnished to do so, subject to the following conditions:
+
+The above copyright notice and this permission notice shall be included in
+all copies or substantial portions of the Software.
+
+Alternatively, the contents of this file may be used under the terms of
+the GNU General Public License Version 2 ("GPL") in which case the provisions
+of GPL are applicable instead of those above.
+
+If you wish to allow use of your version of this file only under the terms of
+GPL, and not to allow others to use your version of this file under the terms
+of the MIT license, indicate your decision by deleting the provisions above
+and replace them with the notice and other provisions required by GPL as set
+out in the file called "GPL-COPYING" included in this distribution. If you do
+not delete the provisions above, a recipient may use your version of this file
+under the terms of either the MIT license or GPL.
+
+This License is also included in this distribution in the file called
+"MIT-COPYING".
+
+EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
+PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
+BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
+PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
+COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
+IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
+CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
+*/ /**************************************************************************/
+
+#ifndef QUEUE_H
+#define QUEUE_H
+
+
+#if defined(__cplusplus)
+extern "C" {
+#endif
+
+/*!
+ * Macro to Read Offset in given command queue
+ */
+#define UPDATE_QUEUE_ROFF(psQueue, ui32Size)						\
+	(psQueue)->ui32ReadOffset = ((psQueue)->ui32ReadOffset + (ui32Size))	\
+	& ((psQueue)->ui32QueueSize - 1);
+
+/*!
+	generic cmd complete structure.
+	This structure represents the storage required between starting and finishing
+	a given cmd and is required to hold the generic sync object update data.
+	note: for any given system we know what command types we support and
+	therefore how much storage is required for any number of commands in progress
+ */
+ typedef struct _COMMAND_COMPLETE_DATA_
+ {
+	IMG_BOOL			bInUse;
+	/* <arg(s) to PVRSRVProcessQueues>;	*/	/*!< TBD */
+	IMG_UINT32			ui32DstSyncCount;	/*!< number of dst sync objects */
+	IMG_UINT32			ui32SrcSyncCount;	/*!< number of src sync objects */
+	PVRSRV_SYNC_OBJECT	*psDstSync;			/*!< dst sync ptr list, 
+                                        	allocated on back of this structure */
+	PVRSRV_SYNC_OBJECT	*psSrcSync;			/*!< src sync ptr list, 
+                                       		allocated on back of this structure */
+	IMG_UINT32			ui32AllocSize;		/*!< allocated size*/
+	PFN_QUEUE_COMMAND_COMPLETE	pfnCommandComplete;	/*!< Command complete callback */
+	IMG_HANDLE					hCallbackData;		/*!< Command complete callback data */
+ }COMMAND_COMPLETE_DATA, *PCOMMAND_COMPLETE_DATA;
+
+#if !defined(USE_CODE)
+IMG_VOID QueueDumpDebugInfo(IMG_VOID);
+
+IMG_IMPORT
+PVRSRV_ERROR PVRSRVProcessQueues (IMG_BOOL		bFlush);
+
+#if defined(__linux__) && defined(__KERNEL__) 
+#include <linux/types.h>
+#include <linux/seq_file.h>
+void* ProcSeqOff2ElementQueue(struct seq_file * sfile, loff_t off);
+void ProcSeqShowQueue(struct seq_file *sfile,void* el);
+#endif
+
+
+IMG_IMPORT
+PVRSRV_ERROR IMG_CALLCONV PVRSRVCreateCommandQueueKM(IMG_SIZE_T ui32QueueSize,
+													 PVRSRV_QUEUE_INFO **ppsQueueInfo);
+IMG_IMPORT
+PVRSRV_ERROR IMG_CALLCONV PVRSRVDestroyCommandQueueKM(PVRSRV_QUEUE_INFO *psQueueInfo);
+
+IMG_IMPORT
+PVRSRV_ERROR IMG_CALLCONV PVRSRVInsertCommandKM(PVRSRV_QUEUE_INFO	*psQueue,
+												PVRSRV_COMMAND		**ppsCommand,
+												IMG_UINT32			ui32DevIndex,
+												IMG_UINT16			CommandType,
+												IMG_UINT32			ui32DstSyncCount,
+												PVRSRV_KERNEL_SYNC_INFO	*apsDstSync[],
+												IMG_UINT32			ui32SrcSyncCount,
+												PVRSRV_KERNEL_SYNC_INFO	*apsSrcSync[],
+												IMG_SIZE_T			ui32DataByteSize,
+												PFN_QUEUE_COMMAND_COMPLETE pfnCommandComplete,
+												IMG_HANDLE			hCallbackData);
+
+IMG_IMPORT
+PVRSRV_ERROR IMG_CALLCONV PVRSRVGetQueueSpaceKM(PVRSRV_QUEUE_INFO *psQueue,
+												IMG_SIZE_T ui32ParamSize,
+												IMG_VOID **ppvSpace);
+
+IMG_IMPORT
+PVRSRV_ERROR IMG_CALLCONV PVRSRVSubmitCommandKM(PVRSRV_QUEUE_INFO *psQueue,
+												PVRSRV_COMMAND *psCommand);
+
+IMG_IMPORT
+IMG_VOID PVRSRVCommandCompleteKM(IMG_HANDLE hCmdCookie, IMG_BOOL bScheduleMISR);
+
+IMG_IMPORT
+PVRSRV_ERROR PVRSRVRegisterCmdProcListKM(IMG_UINT32		ui32DevIndex,
+										 PFN_CMD_PROC	*ppfnCmdProcList,
+										 IMG_UINT32		ui32MaxSyncsPerCmd[][2],
+										 IMG_UINT32		ui32CmdCount);
+IMG_IMPORT
+PVRSRV_ERROR PVRSRVRemoveCmdProcListKM(IMG_UINT32	ui32DevIndex,
+									   IMG_UINT32	ui32CmdCount);
+
+#endif /* !defined(USE_CODE) */
+
+
+#if defined (__cplusplus)
+}
+#endif
+
+#endif /* QUEUE_H */
+
+/******************************************************************************
+ End of file (queue.h)
+******************************************************************************/