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/**
* Copyright (c) 2011 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 __TF_PUBLIC_DMA_H
#define __TF_PUBLIC_DMA_H
#include <linux/dma-mapping.h>
#include <plat/dma.h>
#include <plat/dma-44xx.h>
#include "tf_crypto.h"
/*-------------------------------------------------------------------------- */
/*
* 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 tf_dma_request(int *lch);
/**
* This function waits for the DMA IRQ.
*/
void tf_dma_wait(int nr_of_cb);
/*
* This function starts a DMA operation.
*
* lch DMA channel ID.
* interrupt_mask Configures the Channel Interrupt Control Register.
*/
void tf_dma_start(int lch, int interrupt_mask);
void tf_dma_set_channel_common_params(
struct omap_dma_channel_params *dma_channel,
u32 nb_blocks, u32 nb_elements, u32 dst_start,
u32 src_start, u32 trigger_id);
#endif /*__TF_PUBLIC_DMA_H */
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