services/system/common/env/fuchsia/dma_support.cc

/*************************************************************************/ /*!
@File			dma_support.c
@Title          System DMA support
@Copyright      Copyright (c) Imagination Technologies Ltd. All Rights Reserved
@Description    This provides a contiguous memory allocator (i.e. DMA allocator);
				these APIs are used for allocation/ioremapping (DMA/PA <-> CPU/VA)
@License        MIT

The contents of this file are subject to the MIT license as set out below.

Permission is hereby granted, free of charge, to any person obtaining a copy
of this software and associated documentation files (the "Software"), to deal
in the Software without restriction, including without limitation the rights
to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
copies of the Software, and to permit persons to whom the Software is
furnished to do so, subject to the following conditions:

The above copyright notice and this permission notice shall be included in
all copies or substantial portions of the Software.

This License is also included in this distribution in the file called
"MIT-COPYING".

EXCEPT AS OTHERWISE STATED IN A NEGOTIATED AGREEMENT: (A) THE SOFTWARE IS
PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING
BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
PURPOSE AND NONINFRINGEMENT; AND (B) IN NO EVENT SHALL THE AUTHORS OR
COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER
IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN
CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/ /**************************************************************************/
extern "C" {
#include "allocmem.h"
#include "dma_support.h"
}

#define NOT_IMPLEMENTED() fprintf(stderr, "msd-img-rgx-mtk:Not implemented in %s:%s:%d\n", __func__, __FILE__, __LINE__);

/*!
******************************************************************************
 @Function			SysDmaAllocMem

 @Description 		Allocates physically contiguous memory

 @Return			PVRSRV_ERROR	PVRSRV_OK on success. Otherwise, a PVRSRV_
									error code
 ******************************************************************************/
PVRSRV_ERROR
SysDmaAllocMem(DMA_ALLOC *psDmaAlloc)
{
	NOT_IMPLEMENTED();
	return PVRSRV_ERROR_NOT_SUPPORTED;
}

/*!
******************************************************************************
 @Function			SysDmaFreeMem

 @Description 		Free physically contiguous memory

 @Return			void
 ******************************************************************************/
void
SysDmaFreeMem(DMA_ALLOC *psDmaAlloc)
{
	NOT_IMPLEMENTED();
}

/*!
******************************************************************************
 @Function			SysDmaRegisterForIoRemapping

 @Description 		Registers DMA_ALLOC for manual I/O remapping

 @Return			PVRSRV_ERROR	PVRSRV_OK on success. Otherwise, a PVRSRV_
									error code
 ******************************************************************************/
PVRSRV_ERROR
SysDmaRegisterForIoRemapping(DMA_ALLOC *psDmaAlloc)
{
	NOT_IMPLEMENTED();
	return PVRSRV_ERROR_NOT_SUPPORTED;
}

/*!
******************************************************************************
 @Function			SysDmaDeregisterForIoRemapping

 @Description 		Deregisters DMA_ALLOC from manual I/O remapping

 @Return			void
 ******************************************************************************/
void
SysDmaDeregisterForIoRemapping(DMA_ALLOC *psDmaAlloc)
{
	NOT_IMPLEMENTED();
}

/*!
******************************************************************************
 @Function			SysDmaDevPAddrToCpuVAddr

 @Description 		Maps a DMA_ALLOC physical address to CPU virtual address

 @Return			IMG_CPU_VIRTADDR on success. Otherwise, a NULL
 ******************************************************************************/
IMG_CPU_VIRTADDR
SysDmaDevPAddrToCpuVAddr(IMG_UINT64 uiAddr, IMG_UINT64 ui64Size)
{
	NOT_IMPLEMENTED();
	return 0;
}

/*!
******************************************************************************
 @Function			SysDmaCpuVAddrToDevPAddr

 @Description 		Maps a DMA_ALLOC CPU virtual address to physical address

 @Return			Non-zero value on success. Otherwise, a 0
 ******************************************************************************/
IMG_UINT64
SysDmaCpuVAddrToDevPAddr(IMG_CPU_VIRTADDR pvDMAVirtAddr)
{
	NOT_IMPLEMENTED();
	return 0;
}

/******************************************************************************
 End of file (dma_support.c)
******************************************************************************/