[ifxmips]

[openwrt/svn-archive/archive.git] / target / linux / ifxmips / files / drivers / crypto / ifxmips / ifxmips_deu_dma.c

diff --git a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu_dma.c b/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu_dma.c
deleted file mode 100755 (executable)
index ebc4af0..0000000
--- a/target/linux/ifxmips/files/drivers/crypto/ifxmips/ifxmips_deu_dma.c
+++ /dev/null
@@ -1,150 +0,0 @@
-/*
- *   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.
- *
- *   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.
- *
- *   Copyright (C) 2010 Ralph Hempel <ralph.hempel@lantiq.com>
- *   Copyright (C) 2009 Mohammad Firdaus
- */
-
-/*!
-  \defgroup IFX_DEU IFX_DEU_DRIVERS
-  \ingroup  IFX_API
-  \brief ifx deu driver module
-*/
-
-/*!
-  \file        ifxmips_deu_dma.c
-  \ingroup IFX_DEU
-  \brief DMA deu driver file
-*/
-
-/*!
- \defgroup IFX_DMA_FUNCTIONS IFX_DMA_FUNCTIONS
- \ingroup IFX_DEU
- \brief deu-dma driver functions
-*/
-
-/* Project header files */
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/delay.h>
-#include <asm/io.h>
-#include "ifxmips_deu.h"
-
-extern _ifx_deu_device ifx_deu[1];
-extern spinlock_t ifx_deu_lock;
-
-//extern deu_drv_priv_t deu_dma_priv;
-
-/*! \fn int deu_dma_intr_handler (struct dma_device_info *dma_dev, int status)
- *  \ingroup IFX_DMA_FUNCTIONS
- *  \brief callback function for deu dma interrupt
- *  \param dma_dev dma device
- *  \param status not used
-*/
-int deu_dma_intr_handler (struct dma_device_info *dma_dev, int status)
-{
-#if 0
-    int len = 0;
-    while (len <= 20000) { len++; }
-    u8 *buf;
-    int len = 0;
-
-
-    deu_drv_priv_t *deu_priv = (deu_drv_priv_t *)dma_dev->priv;
-    //printk("status:%d \n",status);
-    switch(status) {
-        case RCV_INT:
-            len = dma_device_read(dma_dev, (u8 **)&buf, NULL);
-            if ( len != deu_priv->deu_rx_len) {
-                printk(KERN_ERR "%s packet length %d is not equal to expect %d\n",
-                    __func__, len, deu_priv->deu_rx_len);
-                return -1;
-            }
-            memcpy(deu_priv->deu_rx_buf, buf, deu_priv->deu_rx_len);
-            /* Reset for next usage */
-            deu_priv->deu_rx_buf = NULL;
-            deu_priv->deu_rx_len = 0;
-            DEU_WAKEUP_EVENT(deu_priv->deu_thread_wait, DEU_EVENT, deu_priv->deu_event_flags);
-            break;
-        case TX_BUF_FULL_INT:
-             // delay for buffer to be cleared
-             while (len <= 20000) { len++; }
-             break;
-
-        case TRANSMIT_CPT_INT:
-            break;
-        default:
-            break;
-    }
-#endif
-    return 0;
-}
-
-extern u8 *g_dma_block;
-extern u8 *g_dma_block2;
-
-/*! \fn u8 *deu_dma_buffer_alloc (int len, int *byte_offset, void **opt)
- *  \ingroup IFX_DMA_FUNCTIONS
- *  \brief callback function for allocating buffers for dma receive descriptors
- *  \param len not used
- *  \param byte_offset dma byte offset
- *  \param *opt not used
- *
-*/
-u8 *deu_dma_buffer_alloc (int len, int *byte_offset, void **opt)
-{
-    u8 *swap = NULL;
-
-    // dma-core needs at least 2 blocks of memory
-    swap = g_dma_block;
-    g_dma_block = g_dma_block2;
-    g_dma_block2 = swap;
-
-    //dma_cache_wback_inv((unsigned long) g_dma_block, (PAGE_SIZE >> 1));
-    *byte_offset = 0;
-
-    return g_dma_block;
-}
-
-/*! \fn int deu_dma_buffer_free (u8 * dataptr, void *opt)
- *  \ingroup IFX_DMA_FUNCTIONS
- *  \brief callback function for freeing dma transmit descriptors
- *  \param dataptr data pointer to be freed
- *  \param opt not used
-*/
-int deu_dma_buffer_free (u8 *dataptr, void *opt)
-{
-#if 0
-    printk("Trying to free memory buffer\n");
-    if (dataptr == NULL && opt == NULL)
-        return 0;
-    else if (opt == NULL) {
-        kfree(dataptr);
-        return 1;
-    }
-    else if (dataptr == NULL) {
-       kfree(opt);
-       return 1;
-    }
-    else {
-       kfree(opt);
-       kfree(dataptr);
-    }
-#endif
-    return 0;
-}
-