diff options
Diffstat (limited to 'drivers/gpu/pvr/mmap.h')
| -rw-r--r-- | drivers/gpu/pvr/mmap.h | 122 |
1 files changed, 122 insertions, 0 deletions
diff --git a/drivers/gpu/pvr/mmap.h b/drivers/gpu/pvr/mmap.h new file mode 100644 index 0000000..224e652 --- /dev/null +++ b/drivers/gpu/pvr/mmap.h @@ -0,0 +1,122 @@ +/********************************************************************** + * + * 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 + * + ******************************************************************************/ + +#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, +#if defined (SUPPORT_SID_INTERFACE) + IMG_SID hMHandle, +#else + IMG_HANDLE hMHandle, +#endif + IMG_UINT32 *pui32MMapOffset, + IMG_UINT32 *pui32ByteOffset, + IMG_UINT32 *pui32RealByteSize, + IMG_UINT32 *pui32UserVAddr); + +PVRSRV_ERROR +PVRMMapReleaseMMapData(PVRSRV_PER_PROCESS_DATA *psPerProc, +#if defined (SUPPORT_SID_INTERFACE) + IMG_SID hMHandle, +#else + IMG_HANDLE hMHandle, +#endif + IMG_BOOL *pbMUnmap, + IMG_UINT32 *pui32RealByteSize, + IMG_UINT32 *pui32UserVAddr); + +int PVRMMap(struct file* pFile, struct vm_area_struct* ps_vma); + + +#endif + |