register.h

Lido PXA270平台开发板的最新BSP,包括源代码

/***************************************************************************
 * Name        : register.cpp
 * Title       : MBX WinCE driver
 * Author(s)   : Imagination Technologies
 * Created	   : 6th January 2003
 *
 * Copyright   : 2003 by Imagination Technologies. All rights reserved.
 *             : No part of this software, either material or conceptual 
 *             : may be copied or distributed, transmitted, transcribed,
 *             : stored in a retrieval system or translated into any 
 *             : human or computer language in any form by any means,
 *             : electronic, mechanical, manual or other-wise, or 
 *             : disclosed to third parties without the express written
 *             : permission of Imagination Technologies Limited, Unit 8,
 *             : HomePark Industrial Estate, King's Langley, Hertfordshire,
 *             : WD4 8LZ, U.K.
 *
 * Description : MBX WinCE driver
 *
 * Platform    : WinCE
 *
 * Modifications:-
 * $Log: register.h $
 *
 *  --- Revision Logs Removed --- 
 *
 *
 ****************************************************************************/
#pragma once

#ifdef __cplusplus
extern "C"
{
#endif

#include	"simblt.h"
#include	"syscommon.h"

/*
    Register access functions
*/
IMG_VOID   WriteRegUlong ( PPVRSRV_DEV_INFO psDevInfo, IMG_UINT32 ui32Offset, IMG_UINT32 ui32Value );
IMG_UINT32 ReadRegUlong  ( PPVRSRV_DEV_INFO psDevInfo, IMG_UINT32 ui32Offset );

/*
	2D Slaveport functions
*/
INLINE IMG_VOID	Write2DSlavePort(PPVRSRV_DEV_INFO psDevInfo, IMG_UINT32 ui32Data)
				{
					PDUMPSP(PDUMPTAGS_SP_MBX_2D, psDevInfo->sDevMem.ui32SP2DDataOffset, ui32Data);
//					ASSERTMSG((L"Write to 2D slaveport failure as Core is disabled"), (DevCoreQuery(psDevInfo, DEV_CORE_MBX_2D) == TRUE));
					#ifdef SW_SIM
					BltSlaveData(ui32Data);
					#else
					*(IMG_PUINT32)(psDevInfo->sDevMem.ui32SPLinearBase 
							  + MBX_TA_SP_2D_DATA_OFFSET 
							  + psDevInfo->sDevMem.ui32SP2DDataOffset)
						= ui32Data;
					#endif
					psDevInfo->sDevMem.ui32SP2DDataOffset += 4;
					psDevInfo->sDevMem.ui32SP2DDataOffset %= DEVICE_SP_WRAP_SIZE;
				};

__inline IMG_VOID	Write2DSlavePortRepeat(PPVRSRV_DEV_INFO psDevInfo, IMG_PUINT32 pui32Data, IMG_UINT32 ui32Count)
				{
					while (ui32Count)
					{
						IMG_UINT32 ui32Segment, ui32Available;
						IMG_UINT32 ui32Idx;
						ui32Segment = 4*ui32Count;
						ui32Available = DEVICE_SP_WRAP_SIZE - psDevInfo->sDevMem.ui32SP2DDataOffset;
						if (ui32Available < ui32Segment)
						{
							ui32Segment = ui32Available;
						}

						for (ui32Idx=0; ui32Idx<ui32Segment/4; ui32Idx++)
						{
							PDUMPSP(PDUMPTAGS_SP_MBX_2D, psDevInfo->sDevMem.ui32SP2DDataOffset + 4*ui32Idx, pui32Data[ui32Idx]);
#ifdef SW_SIM
							BltSlaveData(pui32Data[ui32Idx]);
#else
							((IMG_PUINT32)(psDevInfo->sDevMem.ui32SPLinearBase 
									  + MBX_TA_SP_2D_DATA_OFFSET
									  + psDevInfo->sDevMem.ui32SP2DDataOffset))[ui32Idx] = pui32Data[ui32Idx];
#endif
						}
						pui32Data += ui32Segment/4;
						ui32Count -= ui32Segment/4;
						psDevInfo->sDevMem.ui32SP2DDataOffset += ui32Segment;
						psDevInfo->sDevMem.ui32SP2DDataOffset %= DEVICE_SP_WRAP_SIZE;
					}
				};

#ifdef __cplusplus
}
#endif


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