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Diffstat (limited to 'package/kernel/lantiq/ltq-deu/src/ifxmips_deu.c')
| -rw-r--r-- | package/kernel/lantiq/ltq-deu/src/ifxmips_deu.c | 210 |
1 files changed, 210 insertions, 0 deletions
diff --git a/package/kernel/lantiq/ltq-deu/src/ifxmips_deu.c b/package/kernel/lantiq/ltq-deu/src/ifxmips_deu.c new file mode 100644 index 0000000..05f1681 --- /dev/null +++ b/package/kernel/lantiq/ltq-deu/src/ifxmips_deu.c @@ -0,0 +1,210 @@ +/****************************************************************************** +** +** FILE NAME : ifxmips_deu.c +** PROJECT : IFX UEIP +** MODULES : DEU Module for Danube +** +** DATE : September 8, 2009 +** AUTHOR : Mohammad Firdaus +** 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 +*******************************************************************************/ + +/*! + \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/platform_device.h> +#include <linux/fs.h> /* Stuff about file systems that we need */ +#include <asm/byteorder.h> +#include "ifxmips_deu.h" + +#include <lantiq_soc.h> + +#if defined(CONFIG_DANUBE) +#include "ifxmips_deu_danube.h" +#elif defined(CONFIG_AR9) +#include "ifxmips_deu_ar9.h" +#elif defined(CONFIG_VR9) || defined(CONFIG_AR10) +#include "ifxmips_deu_vr9.h" +#else +#error "Platform unknown!" +#endif /* CONFIG_xxxx */ + +int disable_deudma = 1; + +void chip_version(void); + +/*! \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 ltq_deu_probe(struct platform_device *pdev) +{ + int ret = -ENOSYS; + + + START_DEU_POWER; + +#define IFX_DEU_DRV_VERSION "2.0.0" + printk(KERN_INFO "Infineon Technologies DEU driver version %s \n", IFX_DEU_DRV_VERSION); + + FIND_DEU_CHIP_VERSION; + +#if defined(CONFIG_CRYPTO_DEV_DES) + if ((ret = ifxdeu_init_des ())) { + printk (KERN_ERR "IFX DES initialization failed!\n"); + } +#endif +#if defined(CONFIG_CRYPTO_DEV_AES) + if ((ret = ifxdeu_init_aes ())) { + printk (KERN_ERR "IFX AES initialization failed!\n"); + } + +#endif +#if defined(CONFIG_CRYPTO_DEV_ARC4) + if ((ret = ifxdeu_init_arc4 ())) { + printk (KERN_ERR "IFX ARC4 initialization failed!\n"); + } + +#endif +#if defined(CONFIG_CRYPTO_DEV_SHA1) + if ((ret = ifxdeu_init_sha1 ())) { + printk (KERN_ERR "IFX SHA1 initialization failed!\n"); + } +#endif +#if defined(CONFIG_CRYPTO_DEV_MD5) + if ((ret = ifxdeu_init_md5 ())) { + printk (KERN_ERR "IFX MD5 initialization failed!\n"); + } + +#endif +#if defined(CONFIG_CRYPTO_DEV_SHA1_HMAC) + if ((ret = ifxdeu_init_sha1_hmac ())) { + printk (KERN_ERR "IFX SHA1_HMAC initialization failed!\n"); + } +#endif +#if defined(CONFIG_CRYPTO_DEV_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 int ltq_deu_remove(struct platform_device *pdev) +{ +//#ifdef CONFIG_CRYPTO_DEV_PWR_SAVE_MODE + #if defined(CONFIG_CRYPTO_DEV_DES) + ifxdeu_fini_des (); + #endif + #if defined(CONFIG_CRYPTO_DEV_AES) + ifxdeu_fini_aes (); + #endif + #if defined(CONFIG_CRYPTO_DEV_ARC4) + ifxdeu_fini_arc4 (); + #endif + #if defined(CONFIG_CRYPTO_DEV_SHA1) + ifxdeu_fini_sha1 (); + #endif + #if defined(CONFIG_CRYPTO_DEV_MD5) + ifxdeu_fini_md5 (); + #endif + #if defined(CONFIG_CRYPTO_DEV_SHA1_HMAC) + ifxdeu_fini_sha1_hmac (); + #endif + #if defined(CONFIG_CRYPTO_DEV_MD5_HMAC) + ifxdeu_fini_md5_hmac (); + #endif + printk("DEU has exited successfully\n"); + + return 0; +} + + +int disable_multiblock = 0; + +#if LINUX_VERSION_CODE >= KERNEL_VERSION(2,4,0) +module_param(disable_multiblock,int,0); + +#else +//MODULE_PARM (disable_multiblock, "i"); +MODULE_PARM_DESC (disable_multiblock, + "Disable encryption of whole multiblock buffers."); +#endif + +static const struct of_device_id ltq_deu_match[] = { +#ifdef CONFIG_DANUBE + { .compatible = "lantiq,deu-danube"}, +#elif defined CONFIG_AR9 + { .compatible = "lantiq,deu-arx100"}, +#elif defined CONFIG_VR9 + { .compatible = "lantiq,deu-xrx200"}, +#endif + {}, +}; +MODULE_DEVICE_TABLE(of, ltq_deu_match); + + +static struct platform_driver ltq_deu_driver = { + .probe = ltq_deu_probe, + .remove = ltq_deu_remove, + .driver = { + .name = "deu", + .owner = THIS_MODULE, + .of_match_table = ltq_deu_match, + }, +}; + +module_platform_driver(ltq_deu_driver); + +MODULE_DESCRIPTION ("Infineon DEU crypto engine support."); +MODULE_LICENSE ("GPL"); +MODULE_AUTHOR ("Mohammad Firdaus"); |