[lantiq] add ltq-deu

[openwrt.git] / package / platform / lantiq / ltq-deu / src / ifxmips_deu.c

diff --git a/package/platform/lantiq/ltq-deu/src/ifxmips_deu.c b/package/platform/lantiq/ltq-deu/src/ifxmips_deu.c
new file mode 100644 (file)
index 0000000..cec7000
--- /dev/null
+++ b/package/platform/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 __devinit 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 __devexit 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 = __devexit_p(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");