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/*
* Copyright (c) 2006-2010 Trusted Logic S.A.
* All Rights Reserved.
*
* This program is free software; you can redistribute it and/or modify it
* under the terms of the GNU General Public License version 2 as published by
* the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful, but 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., 59 Temple
* Place, Suite 330, Boston, MA 02111-1307 USA
*/
#ifndef __SCX_PUBLIC_DMA_H
#define __SCX_PUBLIC_DMA_H
#include <linux/dma-mapping.h>
#include <plat/dma.h>
#include <plat/dma-44xx.h>
#include "scx_public_crypto.h"
/*---------------------------------------------------------------------------
* Cache management (implemented in the assembler file)
*-------------------------------------------------------------------------- */
u32 v7_dma_flush_range(u32 nVAStart, u32 nVAEnd);
u32 v7_dma_inv_range(u32 nVAStart, u32 nVAEnd);
/*-------------------------------------------------------------------------- */
/*
* Public DMA API
*/
/*
* CEN Masks
*/
#define DMA_CEN_Elts_per_Frame_AES 4
#define DMA_CEN_Elts_per_Frame_DES 2
#define DMA_CEN_Elts_per_Frame_SHA 16
/*
* Request a DMA channel
*/
u32 scxPublicDMARequest(int *lch);
/*
* Release a DMA channel
*/
u32 scxPublicDMARelease(int lch);
/**
* This function waits for the DMA IRQ.
*/
void scxPublicDMAWait(int nr_of_cb);
/*
* This function starts a DMA operation.
*
* lch DMA channel ID.
* interruptMask Configures the Channel Interrupt Control Register.
*/
void scxPublicDMAStart(int lch, int interruptMask);
void scxPublicSetDMAChannelCommonParams(
struct omap_dma_channel_params *pDMAChannel,
u32 nbBlocks, u32 nbElements, u32 nDstStart,
u32 nSrcStart, u32 nTriggerID);
void scxPublicDMASetParams(int lch, struct omap_dma_channel_params *pParams);
void scxPublicDMADisableChannel(int lch);
void scxPublicDMAClearChannel(int lch);
#endif /*__SCX_PUBLIC_DMA_H */
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