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/******************************************************************************
**
** FILE NAME : ifxmips_deu_dma.h
** DESCRIPTION : Data Encryption Unit Driver
** COPYRIGHT : Copyright (c) 2009
** Infineon Technologies AG
** Am Campeon 1-12, 85579 Neubiberg, Germany
**
** This program is free software; you can redistribute it and/or modify
** it under the terms of the GNU General Public License as published by
** the Free Software Foundation; either version 2 of the License, or
** (at your option) any later version.
**
** HISTORY
** $Date $Author $Comment
** 08,Sept 2009 Mohammad Firdaus Initial UEIP release
*******************************************************************************/
/*!
\addtogroup IFX_DEU IFX_DEU_DRIVERS
\ingroup API
\brief ifx deu driver module
*/
/*!
\file ifxmips_deu_dma.h
\ingroup IFX_DEU
\brief DMA deu driver header file
*/
#ifndef IFXMIPS_DEU_DMA_H
#define IFXMIPS_DEU_DMA_H
#include <linux/init.h>
#include <linux/module.h>
#include <linux/mm.h>
#include <linux/crypto.h>
#include <linux/scatterlist.h>
#include <asm/byteorder.h>
#include <linux/skbuff.h>
#include <linux/netdevice.h>
// must match the size of memory block allocated for g_dma_block and g_dma_block2
#define DEU_MAX_PACKET_SIZE (PAGE_SIZE >> 1)
typedef struct ifx_deu_device {
struct dma_device_info *dma_device;
u8 *dst;
u8 *src;
int len;
int dst_count;
int src_count;
int recv_count;
int packet_size;
int packet_num;
wait_queue_t wait;
} _ifx_deu_device;
extern _ifx_deu_device ifx_deu[1];
extern int deu_dma_intr_handler (struct dma_device_info *, int);
extern u8 *deu_dma_buffer_alloc (int, int *, void **);
extern int deu_dma_buffer_free (u8 *, void *);
extern void deu_dma_inactivate_poll(struct dma_device_info* dma_dev);
extern void deu_dma_activate_poll (struct dma_device_info* dma_dev);
extern struct dma_device_info* deu_dma_reserve(struct dma_device_info** dma_device);
extern int deu_dma_release(struct dma_device_info** dma_device);
#endif /* IFMIPS_DEU_DMA_H */
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