/drivers/gpu/pvr/bridged_support.c

 1/**********************************************************************
 2 *
 3 * Copyright (C) Imagination Technologies Ltd. All rights reserved.
 4 * 
 5 * This program is free software; you can redistribute it and/or modify it
 6 * under the terms and conditions of the GNU General Public License,
 7 * version 2, as published by the Free Software Foundation.
 8 * 
 9 * This program is distributed in the hope it will be useful but, except 
10 * as otherwise stated in writing, without any warranty; without even the 
11 * implied warranty of merchantability or fitness for a particular purpose. 
12 * See the GNU General Public License for more details.
13 * 
14 * You should have received a copy of the GNU General Public License along with
15 * this program; if not, write to the Free Software Foundation, Inc.,
16 * 51 Franklin St - Fifth Floor, Boston, MA 02110-1301 USA.
17 * 
18 * The full GNU General Public License is included in this distribution in
19 * the file called "COPYING".
20 *
21 * Contact Information:
22 * Imagination Technologies Ltd. <gpl-support@imgtec.com>
23 * Home Park Estate, Kings Langley, Herts, WD4 8LZ, UK 
24 *
25 ******************************************************************************/
26
27#include "img_defs.h"
28#include "servicesint.h"
29#include "bridged_support.h"
30
31
32PVRSRV_ERROR
33#if defined (SUPPORT_SID_INTERFACE)
34PVRSRVLookupOSMemHandle(PVRSRV_HANDLE_BASE *psHandleBase, IMG_HANDLE *phOSMemHandle, IMG_SID hMHandle)
35#else
36PVRSRVLookupOSMemHandle(PVRSRV_HANDLE_BASE *psHandleBase, IMG_HANDLE *phOSMemHandle, IMG_HANDLE hMHandle)
37#endif
38{
39	IMG_HANDLE hMHandleInt;
40	PVRSRV_HANDLE_TYPE eHandleType;
41	PVRSRV_ERROR eError;
42
43	
44	eError = PVRSRVLookupHandleAnyType(psHandleBase, &hMHandleInt,
45							  &eHandleType,
46							  hMHandle);
47	if(eError != PVRSRV_OK)
48	{
49		return eError;
50	}
51
52	switch(eHandleType)
53	{
54#if defined(PVR_SECURE_HANDLES) || defined (SUPPORT_SID_INTERFACE)
55		case PVRSRV_HANDLE_TYPE_MEM_INFO:
56		case PVRSRV_HANDLE_TYPE_MEM_INFO_REF:
57		case PVRSRV_HANDLE_TYPE_SHARED_SYS_MEM_INFO:
58		{
59			PVRSRV_KERNEL_MEM_INFO *psMemInfo = (PVRSRV_KERNEL_MEM_INFO *)hMHandleInt;
60
61			*phOSMemHandle = psMemInfo->sMemBlk.hOSMemHandle;
62
63			break;
64		}
65		case PVRSRV_HANDLE_TYPE_SYNC_INFO:
66		{
67			PVRSRV_KERNEL_SYNC_INFO *psSyncInfo = (PVRSRV_KERNEL_SYNC_INFO *)hMHandleInt;
68			PVRSRV_KERNEL_MEM_INFO *psMemInfo = psSyncInfo->psSyncDataMemInfoKM;
69			
70			*phOSMemHandle = psMemInfo->sMemBlk.hOSMemHandle;
71
72			break;
73		}
74		case  PVRSRV_HANDLE_TYPE_SOC_TIMER:
75		{
76			*phOSMemHandle = (IMG_VOID *)hMHandleInt;
77			break;
78		}
79#else
80		case  PVRSRV_HANDLE_TYPE_NONE:
81			*phOSMemHandle = (IMG_VOID *)hMHandleInt;
82			break;
83#endif
84		default:
85			return PVRSRV_ERROR_BAD_MAPPING;
86	}
87
88	return PVRSRV_OK;
89}