?? jpgmem.c
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//
// Copyright (c) Samsung Electronics. Co. LTD. All rights reserved.
//
/*++
THIS CODE AND INFORMATION IS PROVIDED "AS IS" WITHOUT WARRANTY OF
ANY KIND, EITHER EXPRESSED OR IMPLIED, INCLUDING BUT NOT LIMITED TO
THE IMPLIED WARRANTIES OF MERCHANTABILITY AND/OR FITNESS FOR A
PARTICULAR PURPOSE.
*/
#include <bsp.h>
#include "JPGMem.h"
#include "JPGMisc.h"
/*----------------------------------------------------------------------------
*Function: Phy2VirAddr
*Parameters: dwContext :
*Return Value: True/False
*Implementation Notes: memory mapping from physical addr to virtual addr
-----------------------------------------------------------------------------*/
void *Phy2VirAddr(UINT32 phy_addr, int mem_size)
{
void *mappedAddr = NULL;
PHYSICAL_ADDRESS ioPhysicalBase = {0,0};
ioPhysicalBase.LowPart = phy_addr;
mappedAddr = MmMapIoSpace(ioPhysicalBase, mem_size, FALSE);
if (mappedAddr == NULL)
{
RETAILMSG(1, (L"[MFC:ERR] %s : Mapping Failed [PA:0x%08x]\n\r", __FUNCTION__, phy_addr));
}
return mappedAddr;
}
void FreeVirAddr(void * vir_addr, int mem_size)
{
MmUnmapIoSpace(vir_addr, mem_size);
}
/*----------------------------------------------------------------------------
*Function: JPGMemMapping
*Parameters: dwContext :
*Return Value: True/False
*Implementation Notes: JPG register mapping from physical addr to virtual addr
-----------------------------------------------------------------------------*/
BOOL JPGMemMapping(S3C6410_JPG_CTX *base)
{
// JPG HOST Register
base->v_pJPG_REG = (volatile S3C6410_JPG_HOSTIF_REG *)Phy2VirAddr(JPG_REG_BASE_ADDR, sizeof(S3C6410_JPG_HOSTIF_REG));
if (base->v_pJPG_REG == NULL)
{
ERRORMSG(1,(TEXT("DD::v_pJPG_REG: VirtualAlloc failed!\r\n")));
return FALSE;
}
return TRUE;
}
void JPGMemFree(S3C6410_JPG_CTX *base)
{
MmUnmapIoSpace(base->v_pJPG_REG, sizeof(S3C6410_JPG_HOSTIF_REG));
base->v_pJPG_REG = NULL;
}
/*----------------------------------------------------------------------------
*Function: JPGBuffMapping
*Parameters: dwContext :
*Return Value: True/False
*Implementation Notes: JPG Buffer mapping from physical addr to virtual addr
-----------------------------------------------------------------------------*/
BOOL JPGBuffMapping(S3C6410_JPG_CTX *base)
{
base->v_pJPGData_Buff = (volatile UINT8 *)Phy2VirAddr(JPG_DATA_BASE_ADDR, JPG_TOTAL_BUF_SIZE);
if (base->v_pJPGData_Buff == NULL)
{
ERRORMSG(1,(TEXT("DD::v_pJPGData_Buff: VirtualAlloc failed!\r\n")));
return FALSE;
}
return TRUE;
}
void JPGBuffFree(S3C6410_JPG_CTX *base)
{
MmUnmapIoSpace(base->v_pJPGData_Buff, JPG_TOTAL_BUF_SIZE);
base->v_pJPGData_Buff = NULL;
}
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