| 1 | /****************************************************************************** |
| 2 | ** |
| 3 | ** FILE NAME : ifxmips_deu_dma.h |
| 4 | ** DESCRIPTION : Data Encryption Unit Driver |
| 5 | ** COPYRIGHT : Copyright (c) 2009 |
| 6 | ** Infineon Technologies AG |
| 7 | ** Am Campeon 1-12, 85579 Neubiberg, Germany |
| 8 | ** |
| 9 | ** This program is free software; you can redistribute it and/or modify |
| 10 | ** it under the terms of the GNU General Public License as published by |
| 11 | ** the Free Software Foundation; either version 2 of the License, or |
| 12 | ** (at your option) any later version. |
| 13 | ** |
| 14 | ** HISTORY |
| 15 | ** $Date $Author $Comment |
| 16 | ** 08,Sept 2009 Mohammad Firdaus Initial UEIP release |
| 17 | *******************************************************************************/ |
| 18 | |
| 19 | /*! |
| 20 | \addtogroup IFX_DEU IFX_DEU_DRIVERS |
| 21 | \ingroup API |
| 22 | \brief ifx deu driver module |
| 23 | */ |
| 24 | |
| 25 | /*! |
| 26 | \file ifxmips_deu_dma.h |
| 27 | \ingroup IFX_DEU |
| 28 | \brief DMA deu driver header file |
| 29 | */ |
| 30 | |
| 31 | #ifndef IFXMIPS_DEU_DMA_H |
| 32 | #define IFXMIPS_DEU_DMA_H |
| 33 | |
| 34 | #include <linux/init.h> |
| 35 | #include <linux/module.h> |
| 36 | #include <linux/mm.h> |
| 37 | #include <linux/crypto.h> |
| 38 | #include <asm/scatterlist.h> |
| 39 | #include <asm/byteorder.h> |
| 40 | #include <linux/skbuff.h> |
| 41 | #include <linux/netdevice.h> |
| 42 | |
| 43 | // must match the size of memory block allocated for g_dma_block and g_dma_block2 |
| 44 | #define DEU_MAX_PACKET_SIZE (PAGE_SIZE >> 1) |
| 45 | |
| 46 | typedef struct ifx_deu_device { |
| 47 | struct dma_device_info *dma_device; |
| 48 | u8 *dst; |
| 49 | u8 *src; |
| 50 | int len; |
| 51 | int dst_count; |
| 52 | int src_count; |
| 53 | int recv_count; |
| 54 | int packet_size; |
| 55 | int packet_num; |
| 56 | wait_queue_t wait; |
| 57 | } _ifx_deu_device; |
| 58 | |
| 59 | extern _ifx_deu_device ifx_deu[1]; |
| 60 | |
| 61 | extern int deu_dma_intr_handler (struct dma_device_info *, int); |
| 62 | extern u8 *deu_dma_buffer_alloc (int, int *, void **); |
| 63 | extern int deu_dma_buffer_free (u8 *, void *); |
| 64 | extern void deu_dma_inactivate_poll(struct dma_device_info* dma_dev); |
| 65 | extern void deu_dma_activate_poll (struct dma_device_info* dma_dev); |
| 66 | extern struct dma_device_info* deu_dma_reserve(struct dma_device_info** dma_device); |
| 67 | extern int deu_dma_release(struct dma_device_info** dma_device); |
| 68 | |
| 69 | #endif /* IFMIPS_DEU_DMA_H */ |
| 70 | |
