services_stub.h

Lido PXA270平台开发板的最新BSP,包括源代码

// Services Stub:

#include "img_defs.h"
#include "img_types.h"

//Needs MemInfo

typedef int PVRSRV_ERROR ;
// needs MEMBLK
	
	#define PVRSRV_OK 0
	
	typedef struct _RESMAN_ITEM_			*PRESMAN_ITEM;		/*!< forward reference */
	
	/*!
	 *****************************************************************************
	 * Implementation details for memory handling
	 *****************************************************************************/
	typedef struct _PVRSRV_MEMBLK_  
	{
		IMG_SYS_PHYADDR		sSysPhysAddr;			/*!< Address of the memory in the CPU's physical address map */
		IMG_DEV_VIRTADDR	sDevVirtAddr;			/*!< Address of the memory in the IMG MMUs address space */
		IMG_HANDLE			hBuffer;				/*!< Stores the BM_HANDLE for the underlying memory management */
		PRESMAN_ITEM		psResItem;				/*!< Pointer to resource item for allocate */
	
	} PVRSRV_MEMBLK; 
	
	// needs SYNC_INFO
	
	/*!
	 *****************************************************************************
	 * Structure providing implementation details for serialisation and 
	 * synchronisation of operations. This is the fundamental unit on which operations
	 * are synced, and would typically be included in any data structures that require
	 * serialised accesses etc. e.g. MEM_INFO structures
	 *
	 *****************************************************************************/
	typedef struct _PVRSRV_SYNC_INFO_
	{
		IMG_UINT32			ui32NextWriteOp;        /*!< Index of the next write operation that will be
														 created on this sync info object. Increases by one each time
														 a write operation is added. */     
		volatile IMG_UINT32 *pui32LastWriteOp;		/*!< Kernel virtual address of a field in frame buffer that holds the
														 number of the last write operation that has completed on this sync info */ 
		volatile IMG_UINT32	ui32ReadOpsComplete;    /*!< Number of Read operations that completed since the last write operation */
		IMG_UINT32			ui32ReadOpsPending;     /*!< Number of read operations submitted since the last write op */
	
		volatile IMG_UINT32 ui32LastWriteOpVal;		/*!< pui32LastWriteOp points to this */
	
		volatile IMG_UINT32	ui32PresentBlitCountPending;/*!< required to flush read dependencies before TA'ing a scene */
	
		volatile IMG_UINT32	ui32PresentBlitCountComplete;/*!< required to flush read dependencies before TA'ing a scene */
	
		struct _PVRSRV_SYNC_INFO_ *psKernSyncInfo; /*!< Kernel side implementation details */
	} PVRSRV_SYNC_INFO;
	
/*!
 *****************************************************************************
 * Memory Management (externel interface)
 *****************************************************************************/
typedef struct _PVRSRV_MEM_INFO_
{
	struct _PVRSRV_MEM_INFO_ *psMemInfoKM;
	IMG_PVOID				pvLinAddr;			/*!< Address of the memory in the address space of the process that allocated the memory */
	IMG_DEV_VIRTADDR			uiDevAddr;			/*!< Address of the memory in the owning devices */
												/*!<	address space */
	IMG_UINT32				*pui32Flags;		/*!< Flags indicating the uses the memory was allocated with */
										 
	IMG_UINT32				ui32AllocSize;		/*!< Size of the allocated buffer in bytes */
												
	PVRSRV_SYNC_INFO		*psSyncInfo;			/*!< Structure used with the command queue/sync mechanism */
	PVRSRV_MEMBLK			sMemBlk;			/*!< Internal implementation details. Do not use outside services code. */
	IMG_PVOID				pvSysBackupBuffer;	/*!< Address of the backup buffer used in a save/restore of the surface */
	
} PVRSRV_MEM_INFO, *PPVRSRV_MEM_INFO;


//device type

/*!
 *****************************************************************************
 * List of known device types.
 *****************************************************************************/
typedef enum _PVRSRV_DEVICE_TYPE_
{
	PVRSRV_DEVICE_TYPE_UNKNOWN			= 0 ,
	PVRSRV_DEVICE_TYPE_MBX1				= 1 ,
	PVRSRV_DEVICE_TYPE_MBX1_LITE		= 2 ,

	PVRSRV_DEVICE_TYPE_M24VA			= 3,

	PVRSRV_DEVICE_TYPE_JDISPLAY			= 4,
	PVRSRV_DEVICE_TYPE_CRTC				= 5,
	PVRSRV_DEVICE_TYPE_PDP				= 6,

	PVRSRV_DEVICE_TYPE_DMAC				= 7,

	PVRSRV_DEVICE_TYPE_RENESAS_LCD		= 8,
	PVRSRV_DEVICE_TYPE_CLCDC			= 9,

	PVRSRV_DEVICE_TYPE_FORCE_I32		= 0x7fffffff

} PVRSRV_DEVICE_TYPE;