127 lines
3.1 KiB
C
127 lines
3.1 KiB
C
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/**************************************************************************//**
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*
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* @copyright (C) 2020 Nuvoton Technology Corp. All rights reserved.
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*
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* SPDX-License-Identifier: Apache-2.0
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*
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* Change Logs:
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* Date Author Notes
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* 2021-02-26 klcheng First version
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*
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******************************************************************************/
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#include <rtconfig.h>
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#if ((defined(BSP_USING_CRC)) && defined(RT_USING_HWCRYPTO))
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#include <rtdevice.h>
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#include <rtdbg.h>
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#include <board.h>
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#include "NuMicro.h"
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#include <nu_bitutil.h>
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#if defined(BSP_USING_CRC)
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#include "drv_crc.h"
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#endif
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/* Private functions ------------------------------------------------------------*/
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static rt_err_t nu_hwcrypto_create(struct rt_hwcrypto_ctx *ctx);
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static void nu_hwcrypto_destroy(struct rt_hwcrypto_ctx *ctx);
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static rt_err_t nu_hwcrypto_clone(struct rt_hwcrypto_ctx *des, const struct rt_hwcrypto_ctx *src);
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static void nu_hwcrypto_reset(struct rt_hwcrypto_ctx *ctx);
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/* Private variables ------------------------------------------------------------*/
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static const struct rt_hwcrypto_ops nu_hwcrypto_ops =
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{
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.create = nu_hwcrypto_create,
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.destroy = nu_hwcrypto_destroy,
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.copy = nu_hwcrypto_clone,
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.reset = nu_hwcrypto_reset,
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};
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/* CRC operation ------------------------------------------------------------*/
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#if defined(BSP_USING_CRC)
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static const struct hwcrypto_crc_ops nu_crc_ops =
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{
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.update = nu_crc_update,
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};
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#endif
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/* Register crypto interface ----------------------------------------------------------*/
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static rt_err_t nu_hwcrypto_create(struct rt_hwcrypto_ctx *ctx)
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{
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rt_err_t res = RT_EOK;
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switch (ctx->type & HWCRYPTO_MAIN_TYPE_MASK)
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{
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#if defined(BSP_USING_CRC)
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case HWCRYPTO_TYPE_CRC:
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{
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ctx->contex = RT_NULL;
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//Setup CRC operation
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((struct hwcrypto_crc *)ctx)->ops = &nu_crc_ops;
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break;
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}
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#endif /* BSP_USING_CRC */
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default:
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res = -RT_ERROR;
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break;
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}
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return res;
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}
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static void nu_hwcrypto_destroy(struct rt_hwcrypto_ctx *ctx)
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{
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if (ctx->contex)
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rt_free(ctx->contex);
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}
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static rt_err_t nu_hwcrypto_clone(struct rt_hwcrypto_ctx *des, const struct rt_hwcrypto_ctx *src)
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{
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rt_err_t res = RT_EOK;
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if (des->contex && src->contex)
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{
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rt_memcpy(des->contex, src->contex, sizeof(struct rt_hwcrypto_ctx));
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}
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else
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return -RT_EINVAL;
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return res;
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}
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static void nu_hwcrypto_reset(struct rt_hwcrypto_ctx *ctx)
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{
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/* no need to implement */
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return;
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}
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/* Init and register nu_hwcrypto_dev */
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int nu_hwcrypto_device_init(void)
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{
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static struct rt_hwcrypto_device nu_hwcrypto_dev;
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nu_hwcrypto_dev.ops = &nu_hwcrypto_ops;
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nu_hwcrypto_dev.id = 0;
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nu_hwcrypto_dev.user_data = &nu_hwcrypto_dev;
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#if defined(BSP_USING_CRC)
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nu_crc_init();
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#endif
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// register hwcrypto operation
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if (rt_hwcrypto_register(&nu_hwcrypto_dev, RT_HWCRYPTO_DEFAULT_NAME) != RT_EOK)
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{
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return -1;
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}
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return 0;
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}
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INIT_DEVICE_EXPORT(nu_hwcrypto_device_init);
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#endif //#if ((defined(BSP_USING_CRC)) && defined(RT_USING_HWCRYPTO))
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