+++ /dev/null
-/*
- * 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 API
- \brief ifx deu driver module
-*/
-
-/*!
- \file ifxmips_deu.c
- \ingroup IFX_DEU
- \brief main deu driver file
-*/
-
-/*!
- \defgroup IFX_DEU_FUNCTIONS IFX_DEU_FUNCTIONS
- \ingroup IFX_DEU
- \brief IFX DEU functions
-*/
-
-/* Project header */
-#include <linux/version.h>
-#if defined(CONFIG_MODVERSIONS)
-#define MODVERSIONS
-#include <linux/modversions.h>
-#endif
-#include <linux/module.h>
-#include <linux/init.h>
-#include <linux/types.h>
-#include <linux/errno.h>
-#include <linux/crypto.h>
-#include <linux/proc_fs.h>
-#include <linux/fs.h> /* Stuff about file systems that we need */
-#include <asm/byteorder.h>
-#include <ifxmips_pmu.h>
-#include "ifxmips_deu.h"
-
-#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA
-int disable_deudma = 0;
-#else
-int disable_deudma = 1;
-#endif /* CONFIG_CRYPTO_DEV_IFXMIPS_DMA */
-
-#ifdef CRYPTO_DEBUG
-char deu_debug_level = 3;
-#endif
-
-/*! \fn static int __init deu_init (void)
- * \ingroup IFX_DEU_FUNCTIONS
- * \brief link all modules that have been selected in kernel config for ifx hw crypto support
- * \return ret
-*/
-static int __init deu_init (void)
-{
- int ret = -ENOSYS;
- u32 config;
-
- volatile struct clc_controlr_t *clc = (struct clc_controlr_t *) IFX_DEU_CLK;
-
- ifxmips_pmu_enable(1<<20);
-
- printk(KERN_INFO "Lantiq crypto hardware driver version %s\n", IFX_DEU_DRV_VERSION);
-
- chip_version();
-
- clc->FSOE = 0;
- clc->SBWE = 0;
- clc->SPEN = 0;
- clc->SBWE = 0;
- clc->DISS = 0;
- clc->DISR = 0;
-
- config = *IFX_DEU_ID;
-
-#ifdef CONFIG_CRYPTO_DEV_IFXMIPS_DMA
- deu_dma_init ();
-#endif
-
-#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_DES)
- if(config & IFX_DEU_ID_DES) {
- if ((ret = ifxdeu_init_des ())) {
- printk (KERN_ERR "IFX DES initialization failed!\n");
- }
- } else {
- printk (KERN_ERR "IFX DES not supported!\n");
- }
-#endif
-#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_AES)
- if(config & IFX_DEU_ID_AES) {
- if ((ret = ifxdeu_init_aes ())) {
- printk (KERN_ERR "IFX AES initialization failed!\n");
- }
- } else {
- printk (KERN_ERR "IFX AES not supported!\n");
- }
-#endif
-#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_ARC4)
- if ((ret = ifxdeu_init_arc4 ())) {
- printk (KERN_ERR "IFX ARC4 initialization failed!\n");
- }
-#endif
-#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1)
- if(config & IFX_DEU_ID_HASH) {
- if ((ret = ifxdeu_init_sha1 ())) {
- printk (KERN_ERR "IFX SHA1 initialization failed!\n");
- }
- } else {
- printk (KERN_ERR "IFX SHA1 not supported!\n");
- }
-#endif
-#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5)
- if(config & IFX_DEU_ID_HASH) {
- if ((ret = ifxdeu_init_md5 ())) {
- printk (KERN_ERR "IFX MD5 initialization failed!\n");
- }
- } else {
- printk (KERN_ERR "IFX MD5 not supported!\n");
- }
-#endif
-#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1_HMAC)
- if ((ret = ifxdeu_init_sha1_hmac ())) {
- printk (KERN_ERR "IFX SHA1_HMAC initialization failed!\n");
- }
-#endif
-#if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5_HMAC)
- if ((ret = ifxdeu_init_md5_hmac ())) {
- printk (KERN_ERR "IFX MD5_HMAC initialization failed!\n");
- }
-#endif
- return ret;
-}
-
-/*! \fn static void __exit deu_fini (void)
- * \ingroup IFX_DEU_FUNCTIONS
- * \brief remove the loaded crypto algorithms
-*/
-static void __exit deu_fini (void)
-{
- #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_DES)
- ifxdeu_fini_des ();
- #endif
- #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_AES)
- ifxdeu_fini_aes ();
- #endif
- #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_ARC4)
- ifxdeu_fini_arc4 ();
- #endif
- #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1)
- ifxdeu_fini_sha1 ();
- #endif
- #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5)
- ifxdeu_fini_md5 ();
- #endif
- #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_SHA1_HMAC)
- ifxdeu_fini_sha1_hmac ();
- #endif
- #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_MD5_HMAC)
- ifxdeu_fini_md5_hmac ();
- #endif
- printk("DEU has exited successfully\n");
-
- #if defined(CONFIG_CRYPTO_DEV_IFXMIPS_DMA)
- ifxdeu_fini_dma();
- printk("DMA has deregistered successfully\n");
- #endif
-}
-
-module_init (deu_init);
-module_exit (deu_fini);
-
-MODULE_DESCRIPTION ("Infineon crypto engine support.");
-MODULE_LICENSE ("GPL");
-MODULE_AUTHOR ("Mohammad Firdaus");
projects / openwrt / openwrt.git / blobdiff