pvr/bridged_support.c

   1 /**********************************************************************
   2  *
   3  * Copyright(c) 2008 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 enum PVRSRV_ERROR
  32 PVRSRVLookupOSMemHandle(struct PVRSRV_HANDLE_BASE *psHandleBase,
  33                         void **phOSMemHandle, void *hMHandle)
  34 {
  35         void *hMHandleInt;
  36         enum PVRSRV_HANDLE_TYPE eHandleType;
  37         enum PVRSRV_ERROR eError;
  38
  39         eError = PVRSRVLookupHandleAnyType(psHandleBase, &hMHandleInt,
  40                                            &eHandleType, hMHandle);
  41         if (eError != PVRSRV_OK)
  42                 return eError;
  43
  44         switch (eHandleType) {
  45         case PVRSRV_HANDLE_TYPE_MEM_INFO:
  46         case PVRSRV_HANDLE_TYPE_MEM_INFO_REF:
  47         case PVRSRV_HANDLE_TYPE_SHARED_SYS_MEM_INFO:
  48                 {
  49                         struct PVRSRV_KERNEL_MEM_INFO *psMemInfo =
  50                             (struct PVRSRV_KERNEL_MEM_INFO *)hMHandleInt;
  51
  52                         *phOSMemHandle = psMemInfo->sMemBlk.hOSMemHandle;
  53
  54                         break;
  55                 }
  56         case PVRSRV_HANDLE_TYPE_SYNC_INFO:
  57                 {
  58                         struct PVRSRV_KERNEL_SYNC_INFO *psSyncInfo =
  59                             (struct PVRSRV_KERNEL_SYNC_INFO *)hMHandleInt;
  60                         struct PVRSRV_KERNEL_MEM_INFO *psMemInfo =
  61                             psSyncInfo->psSyncDataMemInfoKM;
  62
  63                         *phOSMemHandle = psMemInfo->sMemBlk.hOSMemHandle;
  64
  65                         break;
  66                 }
  67         case PVRSRV_HANDLE_TYPE_SOC_TIMER:
  68                 {
  69                         *phOSMemHandle = (void *)hMHandleInt;
  70                         break;
  71                 }
  72         default:
  73                 return PVRSRV_ERROR_BAD_MAPPING;
  74         }
  75
  76         return PVRSRV_OK;;
  77 }