drivers/gpu/pvr/bridged_support.c

/**********************************************************************
 *
 * Copyright (C) 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 
 *
 ******************************************************************************/

#include "img_defs.h"
#include "servicesint.h"
#include "bridged_support.h"


PVRSRV_ERROR
#if defined (SUPPORT_SID_INTERFACE)
PVRSRVLookupOSMemHandle(PVRSRV_HANDLE_BASE *psHandleBase, IMG_HANDLE *phOSMemHandle, IMG_SID hMHandle)
#else
PVRSRVLookupOSMemHandle(PVRSRV_HANDLE_BASE *psHandleBase, IMG_HANDLE *phOSMemHandle, IMG_HANDLE hMHandle)
#endif
{
	IMG_HANDLE hMHandleInt;
	PVRSRV_HANDLE_TYPE eHandleType;
	PVRSRV_ERROR eError;

	
	eError = PVRSRVLookupHandleAnyType(psHandleBase, &hMHandleInt,
							  &eHandleType,
							  hMHandle);
	if(eError != PVRSRV_OK)
	{
		return eError;
	}

	switch(eHandleType)
	{
#if defined(PVR_SECURE_HANDLES) || defined (SUPPORT_SID_INTERFACE)
		case PVRSRV_HANDLE_TYPE_MEM_INFO:
		case PVRSRV_HANDLE_TYPE_MEM_INFO_REF:
		case PVRSRV_HANDLE_TYPE_SHARED_SYS_MEM_INFO:
		{
			PVRSRV_KERNEL_MEM_INFO *psMemInfo = (PVRSRV_KERNEL_MEM_INFO *)hMHandleInt;

			*phOSMemHandle = psMemInfo->sMemBlk.hOSMemHandle;

			break;
		}
		case PVRSRV_HANDLE_TYPE_SYNC_INFO:
		{
			PVRSRV_KERNEL_SYNC_INFO *psSyncInfo = (PVRSRV_KERNEL_SYNC_INFO *)hMHandleInt;
			PVRSRV_KERNEL_MEM_INFO *psMemInfo = psSyncInfo->psSyncDataMemInfoKM;
			
			*phOSMemHandle = psMemInfo->sMemBlk.hOSMemHandle;

			break;
		}
		case  PVRSRV_HANDLE_TYPE_SOC_TIMER:
		{
			*phOSMemHandle = (IMG_VOID *)hMHandleInt;
			break;
		}
#else
		case  PVRSRV_HANDLE_TYPE_NONE:
			*phOSMemHandle = (IMG_VOID *)hMHandleInt;
			break;
#endif
		default:
			return PVRSRV_ERROR_BAD_MAPPING;
	}

	return PVRSRV_OK;
}