/*
 * Copyright (c) 2016, Freescale Semiconductor, Inc.
 * Copyright 2016-2017 NXP
 * All rights reserved.
 * 
 * SPDX-License-Identifier: BSD-3-Clause
 */

#include "fsl_usdhc.h"
#if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL
#include "fsl_cache.h"
#endif /* FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL */

/*******************************************************************************
 * Definitions
 ******************************************************************************/
/*! @brief Clock setting */
/* Max SD clock divisor from base clock */
#define USDHC_MAX_DVS ((USDHC_SYS_CTRL_DVS_MASK >> USDHC_SYS_CTRL_DVS_SHIFT) + 1U)
#define USDHC_PREV_DVS(x) ((x) -= 1U)
#define USDHC_PREV_CLKFS(x, y) ((x) >>= (y))

/* Typedef for interrupt handler. */
typedef void (*usdhc_isr_t)(USDHC_Type *base, usdhc_handle_t *handle);

/*******************************************************************************
 * Prototypes
 ******************************************************************************/
/*!
 * @brief Get the instance.
 *
 * @param base USDHC peripheral base address.
 * @return Instance number.
 */
static uint32_t USDHC_GetInstance(USDHC_Type *base);

/*!
 * @brief Set transfer interrupt.
 *
 * @param base USDHC peripheral base address.
 * @param usingInterruptSignal True to use IRQ signal.
 */
static void USDHC_SetTransferInterrupt(USDHC_Type *base, bool usingInterruptSignal);

/*!
 * @brief Start transfer according to current transfer state
 *
 * @param base USDHC peripheral base address.
 * @param command Command to be sent.
 * @param data Data to be transferred.
 */
static status_t USDHC_SetTransferConfig(USDHC_Type *base, usdhc_command_t *command, usdhc_data_t *data);

/*!
 * @brief Receive command response
 *
 * @param base USDHC peripheral base address.
 * @param command Command to be sent.
 */
static status_t USDHC_ReceiveCommandResponse(USDHC_Type *base, usdhc_command_t *command);

/*!
 * @brief Read DATAPORT when buffer enable bit is set.
 *
 * @param base USDHC peripheral base address.
 * @param data Data to be read.
 * @param transferredWords The number of data words have been transferred last time transaction.
 * @return The number of total data words have been transferred after this time transaction.
 */
static uint32_t USDHC_ReadDataPort(USDHC_Type *base, usdhc_data_t *data, uint32_t transferredWords);

/*!
 * @brief Read data by using DATAPORT polling way.
 *
 * @param base USDHC peripheral base address.
 * @param data Data to be read.
 * @retval kStatus_Fail Read DATAPORT failed.
 * @retval kStatus_Success Operate successfully.
 */
static status_t USDHC_ReadByDataPortBlocking(USDHC_Type *base, usdhc_data_t *data);

/*!
 * @brief Write DATAPORT when buffer enable bit is set.
 *
 * @param base USDHC peripheral base address.
 * @param data Data to be read.
 * @param transferredWords The number of data words have been transferred last time.
 * @return The number of total data words have been transferred after this time transaction.
 */
static uint32_t USDHC_WriteDataPort(USDHC_Type *base, usdhc_data_t *data, uint32_t transferredWords);

/*!
 * @brief Write data by using DATAPORT polling way.
 *
 * @param base USDHC peripheral base address.
 * @param data Data to be transferred.
 * @retval kStatus_Fail Write DATAPORT failed.
 * @retval kStatus_Success Operate successfully.
 */
static status_t USDHC_WriteByDataPortBlocking(USDHC_Type *base, usdhc_data_t *data);

/*!
 * @brief Transfer data by polling way.
 *
 * @param base USDHC peripheral base address.
 * @param data Data to be transferred.
 * @param use DMA flag.
 * @retval kStatus_Fail Transfer data failed.
 * @retval kStatus_InvalidArgument Argument is invalid.
 * @retval kStatus_Success Operate successfully.
 */
static status_t USDHC_TransferDataBlocking(USDHC_Type *base, usdhc_data_t *data, bool enDMA);

/*!
 * @brief Handle card detect interrupt.
 *
 * @param handle USDHC handle.
 * @param interruptFlags Card detect related interrupt flags.
 */
static void USDHC_TransferHandleCardDetect(usdhc_handle_t *handle, uint32_t interruptFlags);

/*!
 * @brief Handle command interrupt.
 *
 * @param base USDHC peripheral base address.
 * @param handle USDHC handle.
 * @param interruptFlags Command related interrupt flags.
 */
static void USDHC_TransferHandleCommand(USDHC_Type *base, usdhc_handle_t *handle, uint32_t interruptFlags);

/*!
 * @brief Handle data interrupt.
 *
 * @param base USDHC peripheral base address.
 * @param handle USDHC handle.
 * @param interruptFlags Data related interrupt flags.
 */
static void USDHC_TransferHandleData(USDHC_Type *base, usdhc_handle_t *handle, uint32_t interruptFlags);

/*!
 * @brief Handle SDIO card interrupt signal.
 *
 * @param handle USDHC handle.
 */
static void USDHC_TransferHandleSdioInterrupt(usdhc_handle_t *handle);

/*!
 * @brief Handle SDIO block gap event.
 *
 * @param handle USDHC handle.
 */
static void USDHC_TransferHandleSdioBlockGap(usdhc_handle_t *handle);

/*!
* @brief Handle retuning
*
* @param interrupt flags
*/
static void USDHC_TransferHandleReTuning(USDHC_Type *base, usdhc_handle_t *handle, uint32_t interruptFlags);

/*!
* @brief wait command done
*
* @param base USDHC peripheral base address.
* @param command configuration
* @param execute tuning flag
*/
static status_t USDHC_WaitCommandDone(USDHC_Type *base, usdhc_command_t *command, bool executeTuning);

/*******************************************************************************
 * Variables
 ******************************************************************************/
/*! @brief USDHC base pointer array */
static USDHC_Type *const s_usdhcBase[] = USDHC_BASE_PTRS;

/*! @brief USDHC internal handle pointer array */
static usdhc_handle_t *s_usdhcHandle[ARRAY_SIZE(s_usdhcBase)] = {NULL};

/*! @brief USDHC IRQ name array */
static const IRQn_Type s_usdhcIRQ[] = USDHC_IRQS;

#if !(defined(FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL) && FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL)
/*! @brief USDHC clock array name */
static const clock_ip_name_t s_usdhcClock[] = USDHC_CLOCKS;
#endif /* FSL_SDK_DISABLE_DRIVER_CLOCK_CONTROL */

/* USDHC ISR for transactional APIs. */
static usdhc_isr_t s_usdhcIsr;

/*******************************************************************************
 * Code
 ******************************************************************************/
static uint32_t USDHC_GetInstance(USDHC_Type *base)
{
    uint8_t instance = 0;

    while ((instance < ARRAY_SIZE(s_usdhcBase)) && (s_usdhcBase[instance] != base))
    {
        instance++;
    }

    assert(instance < ARRAY_SIZE(s_usdhcBase));

    return instance;
}

static void USDHC_SetTransferInterrupt(USDHC_Type *base, bool usingInterruptSignal)
{
    uint32_t interruptEnabled; /* The Interrupt status flags to be enabled */

    /* Disable all interrupts */
    USDHC_DisableInterruptStatus(base, (uint32_t)kUSDHC_AllInterruptFlags);
    USDHC_DisableInterruptSignal(base, (uint32_t)kUSDHC_AllInterruptFlags);
    DisableIRQ(s_usdhcIRQ[USDHC_GetInstance(base)]);

    interruptEnabled = (kUSDHC_CommandFlag | kUSDHC_CardInsertionFlag | kUSDHC_DataFlag | kUSDHC_CardRemovalFlag |
                        kUSDHC_SDR104TuningFlag);

    USDHC_EnableInterruptStatus(base, interruptEnabled);

    if (usingInterruptSignal)
    {
        USDHC_EnableInterruptSignal(base, interruptEnabled);
    }
}

static status_t USDHC_SetTransferConfig(USDHC_Type *base, usdhc_command_t *command, usdhc_data_t *data)
{
    assert(NULL != command);

    if ((data != NULL) && (data->blockCount > USDHC_MAX_BLOCK_COUNT))
    {
        return kStatus_InvalidArgument;
    }

    /* Define the flag corresponding to each response type. */
    switch (command->responseType)
    {
        case kCARD_ResponseTypeNone:
            break;
        case kCARD_ResponseTypeR1: /* Response 1 */
        case kCARD_ResponseTypeR5: /* Response 5 */
        case kCARD_ResponseTypeR6: /* Response 6 */
        case kCARD_ResponseTypeR7: /* Response 7 */

            command->flags |= (kUSDHC_ResponseLength48Flag | kUSDHC_EnableCrcCheckFlag | kUSDHC_EnableIndexCheckFlag);
            break;

        case kCARD_ResponseTypeR1b: /* Response 1 with busy */
        case kCARD_ResponseTypeR5b: /* Response 5 with busy */
            command->flags |=
                (kUSDHC_ResponseLength48BusyFlag | kUSDHC_EnableCrcCheckFlag | kUSDHC_EnableIndexCheckFlag);
            break;

        case kCARD_ResponseTypeR2: /* Response 2 */
            command->flags |= (kUSDHC_ResponseLength136Flag | kUSDHC_EnableCrcCheckFlag);
            break;

        case kCARD_ResponseTypeR3: /* Response 3 */
        case kCARD_ResponseTypeR4: /* Response 4 */
            command->flags |= (kUSDHC_ResponseLength48Flag);
            break;

        default:
            break;
    }

    if (command->type == kCARD_CommandTypeAbort)
    {
        command->flags |= kUSDHC_CommandTypeAbortFlag;
    }

    if (data)
    {
        command->flags |= kUSDHC_DataPresentFlag;

        if (data->rxData)
        {
            command->flags |= kUSDHC_DataReadFlag;
        }
        if (data->blockCount > 1U)
        {
            command->flags |= (kUSDHC_MultipleBlockFlag | kUSDHC_EnableBlockCountFlag);
            /* auto command 12 */
            if (data->enableAutoCommand12)
            {
                /* Enable Auto command 12. */
                command->flags |= kUSDHC_EnableAutoCommand12Flag;
            }
            /* auto command 23 */
            if (data->enableAutoCommand23)
            {
                command->flags |= kUSDHC_EnableAutoCommand23Flag;
            }
        }
        /* config data block size/block count */
        base->BLK_ATT = ((base->BLK_ATT & ~(USDHC_BLK_ATT_BLKSIZE_MASK | USDHC_BLK_ATT_BLKCNT_MASK)) |
                         (USDHC_BLK_ATT_BLKSIZE(data->blockSize) | USDHC_BLK_ATT_BLKCNT(data->blockCount)));

        /* auto command 23, auto send set block count cmd before multiple read/write */
        if (((command->flags & kUSDHC_EnableAutoCommand23Flag) != 0U))
        {
            base->MIX_CTRL |= USDHC_MIX_CTRL_AC23EN_MASK;
            base->VEND_SPEC2 |= USDHC_VEND_SPEC2_ACMD23_ARGU2_EN_MASK;
            /* config the block count to DS_ADDR */
            base->DS_ADDR = data->blockCount;
        }
        else
        {
            base->MIX_CTRL &= ~USDHC_MIX_CTRL_AC23EN_MASK;
            base->VEND_SPEC2 &= ~USDHC_VEND_SPEC2_ACMD23_ARGU2_EN_MASK;
        }
    }

    return kStatus_Success;
}

static status_t USDHC_ReceiveCommandResponse(USDHC_Type *base, usdhc_command_t *command)
{
    uint32_t i;

    if (command->responseType != kCARD_ResponseTypeNone)
    {
        command->response[0U] = base->CMD_RSP0;
        if (command->responseType == kCARD_ResponseTypeR2)
        {
            command->response[1U] = base->CMD_RSP1;
            command->response[2U] = base->CMD_RSP2;
            command->response[3U] = base->CMD_RSP3;

            i = 4U;
            /* R3-R2-R1-R0(lowest 8 bit is invalid bit) has the same format as R2 format in SD specification document
            after removed internal CRC7 and end bit. */
            do
            {
                command->response[i - 1U] <<= 8U;
                if (i > 1U)
                {
                    command->response[i - 1U] |= ((command->response[i - 2U] & 0xFF000000U) >> 24U);
                }
            } while (i--);
        }
    }
    /* check response error flag */
    if ((command->responseErrorFlags != 0U) &&
        ((command->responseType == kCARD_ResponseTypeR1) || (command->responseType == kCARD_ResponseTypeR1b) ||
         (command->responseType == kCARD_ResponseTypeR6) || (command->responseType == kCARD_ResponseTypeR5)))
    {
        if (((command->responseErrorFlags) & (command->response[0U])) != 0U)
        {
            return kStatus_USDHC_SendCommandFailed;
        }
    }

    return kStatus_Success;
}

static uint32_t USDHC_ReadDataPort(USDHC_Type *base, usdhc_data_t *data, uint32_t transferredWords)
{
    uint32_t i;
    uint32_t totalWords;
    uint32_t wordsCanBeRead; /* The words can be read at this time. */
    uint32_t readWatermark = ((base->WTMK_LVL & USDHC_WTMK_LVL_RD_WML_MASK) >> USDHC_WTMK_LVL_RD_WML_SHIFT);

    /*
       * Add non aligned access support ,user need make sure your buffer size is big
       * enough to hold the data,in other words,user need make sure the buffer size
       * is 4 byte aligned
       */
    if (data->blockSize % sizeof(uint32_t) != 0U)
    {
        data->blockSize +=
            sizeof(uint32_t) - (data->blockSize % sizeof(uint32_t)); /* make the block size as word-aligned */
    }

    totalWords = ((data->blockCount * data->blockSize) / sizeof(uint32_t));

    /* If watermark level is equal or bigger than totalWords, transfers totalWords data. */
    if (readWatermark >= totalWords)
    {
        wordsCanBeRead = totalWords;
    }
    /* If watermark level is less than totalWords and left words to be sent is equal or bigger than readWatermark,
    transfers watermark level words. */
    else if ((readWatermark < totalWords) && ((totalWords - transferredWords) >= readWatermark))
    {
        wordsCanBeRead = readWatermark;
    }
    /* If watermark level is less than totalWords and left words to be sent is less than readWatermark, transfers left
    words. */
    else
    {
        wordsCanBeRead = (totalWords - transferredWords);
    }

    i = 0U;
    while (i < wordsCanBeRead)
    {
        data->rxData[transferredWords++] = USDHC_ReadData(base);
        i++;
    }

    return transferredWords;
}

static status_t USDHC_ReadByDataPortBlocking(USDHC_Type *base, usdhc_data_t *data)
{
    uint32_t totalWords;
    uint32_t transferredWords = 0U, interruptStatus = 0U;
    status_t error = kStatus_Success;

    /*
       * Add non aligned access support ,user need make sure your buffer size is big
       * enough to hold the data,in other words,user need make sure the buffer size
       * is 4 byte aligned
       */
    if (data->blockSize % sizeof(uint32_t) != 0U)
    {
        data->blockSize +=
            sizeof(uint32_t) - (data->blockSize % sizeof(uint32_t)); /* make the block size as word-aligned */
    }

    totalWords = ((data->blockCount * data->blockSize) / sizeof(uint32_t));

    while ((error == kStatus_Success) && (transferredWords < totalWords))
    {
        while (!(USDHC_GetInterruptStatusFlags(base) &
                 (kUSDHC_BufferReadReadyFlag | kUSDHC_DataErrorFlag | kUSDHC_TuningErrorFlag)))
        {
        }

        interruptStatus = USDHC_GetInterruptStatusFlags(base);
        /* during std tuning process, software do not need to read data, but wait BRR is enough */
        if ((data->executeTuning) && (interruptStatus & kUSDHC_BufferReadReadyFlag))
        {
            USDHC_ClearInterruptStatusFlags(base, kUSDHC_BufferReadReadyFlag | kUSDHC_TuningPassFlag);
            return kStatus_Success;
        }
        else if ((interruptStatus & kUSDHC_TuningErrorFlag) != 0U)
        {
            USDHC_ClearInterruptStatusFlags(base, kUSDHC_TuningErrorFlag);
            /* if tuning error occur ,return directly */
            error = kStatus_USDHC_TuningError;
        }
        else if ((interruptStatus & kUSDHC_DataErrorFlag) != 0U)
        {
            if (!(data->enableIgnoreError))
            {
                error = kStatus_Fail;
            }
            /* clear data error flag */
            USDHC_ClearInterruptStatusFlags(base, kUSDHC_DataErrorFlag);
        }
        else
        {
        }

        if (error == kStatus_Success)
        {
            transferredWords = USDHC_ReadDataPort(base, data, transferredWords);
            /* clear buffer read ready */
            USDHC_ClearInterruptStatusFlags(base, kUSDHC_BufferReadReadyFlag);
        }
    }

    /* Clear data complete flag after the last read operation. */
    USDHC_ClearInterruptStatusFlags(base, kUSDHC_DataCompleteFlag);

    return error;
}

static uint32_t USDHC_WriteDataPort(USDHC_Type *base, usdhc_data_t *data, uint32_t transferredWords)
{
    uint32_t i;
    uint32_t totalWords;
    uint32_t wordsCanBeWrote; /* Words can be wrote at this time. */
    uint32_t writeWatermark = ((base->WTMK_LVL & USDHC_WTMK_LVL_WR_WML_MASK) >> USDHC_WTMK_LVL_WR_WML_SHIFT);

    /*
       * Add non aligned access support ,user need make sure your buffer size is big
       * enough to hold the data,in other words,user need make sure the buffer size
       * is 4 byte aligned
       */
    if (data->blockSize % sizeof(uint32_t) != 0U)
    {
        data->blockSize +=
            sizeof(uint32_t) - (data->blockSize % sizeof(uint32_t)); /* make the block size as word-aligned */
    }

    totalWords = ((data->blockCount * data->blockSize) / sizeof(uint32_t));

    /* If watermark level is equal or bigger than totalWords, transfers totalWords data.*/
    if (writeWatermark >= totalWords)
    {
        wordsCanBeWrote = totalWords;
    }
    /* If watermark level is less than totalWords and left words to be sent is equal or bigger than watermark,
    transfers watermark level words. */
    else if ((writeWatermark < totalWords) && ((totalWords - transferredWords) >= writeWatermark))
    {
        wordsCanBeWrote = writeWatermark;
    }
    /* If watermark level is less than totalWords and left words to be sent is less than watermark, transfers left
    words. */
    else
    {
        wordsCanBeWrote = (totalWords - transferredWords);
    }

    i = 0U;
    while (i < wordsCanBeWrote)
    {
        USDHC_WriteData(base, data->txData[transferredWords++]);
        i++;
    }

    return transferredWords;
}

static status_t USDHC_WriteByDataPortBlocking(USDHC_Type *base, usdhc_data_t *data)
{
    uint32_t totalWords;

    uint32_t transferredWords = 0U, interruptStatus = 0U;
    status_t error = kStatus_Success;

    /*
       * Add non aligned access support ,user need make sure your buffer size is big
       * enough to hold the data,in other words,user need make sure the buffer size
       * is 4 byte aligned
       */
    if (data->blockSize % sizeof(uint32_t) != 0U)
    {
        data->blockSize +=
            sizeof(uint32_t) - (data->blockSize % sizeof(uint32_t)); /* make the block size as word-aligned */
    }

    totalWords = (data->blockCount * data->blockSize) / sizeof(uint32_t);

    while ((error == kStatus_Success) && (transferredWords < totalWords))
    {
        while (!(USDHC_GetInterruptStatusFlags(base) &
                 (kUSDHC_BufferWriteReadyFlag | kUSDHC_DataErrorFlag | kUSDHC_TuningErrorFlag)))
        {
        }

        interruptStatus = USDHC_GetInterruptStatusFlags(base);

        if ((interruptStatus & kUSDHC_TuningErrorFlag) != 0U)
        {
            USDHC_ClearInterruptStatusFlags(base, kUSDHC_TuningErrorFlag);
            /* if tuning error occur ,return directly */
            return kStatus_USDHC_TuningError;
        }
        else if ((interruptStatus & kUSDHC_DataErrorFlag) != 0U)
        {
            if (!(data->enableIgnoreError))
            {
                error = kStatus_Fail;
            }
            /* clear data error flag */
            USDHC_ClearInterruptStatusFlags(base, kUSDHC_DataErrorFlag);
        }
        else
        {
        }

        if (error == kStatus_Success)
        {
            transferredWords = USDHC_WriteDataPort(base, data, transferredWords);
            /* clear buffer write ready */
            USDHC_ClearInterruptStatusFlags(base, kUSDHC_BufferWriteReadyFlag);
        }
    }

    /* Wait write data complete or data transfer error after the last writing operation. */
    while (!(USDHC_GetInterruptStatusFlags(base) & (kUSDHC_DataCompleteFlag | kUSDHC_DataErrorFlag)))
    {
    }

    if ((USDHC_GetInterruptStatusFlags(base) & kUSDHC_DataErrorFlag) != 0U)
    {
        if (!(data->enableIgnoreError))
        {
            error = kStatus_Fail;
        }
    }
    USDHC_ClearInterruptStatusFlags(base, (kUSDHC_DataCompleteFlag | kUSDHC_DataErrorFlag));

    return error;
}

void USDHC_SendCommand(USDHC_Type *base, usdhc_command_t *command)
{
    assert(NULL != command);

    uint32_t mixCtrl, xferType;

    mixCtrl = base->MIX_CTRL;
    xferType = base->CMD_XFR_TYP;

    /* config mix parameter */
    mixCtrl &= ~(USDHC_MIX_CTRL_MSBSEL_MASK | USDHC_MIX_CTRL_BCEN_MASK | USDHC_MIX_CTRL_DTDSEL_MASK |
                 USDHC_MIX_CTRL_AC12EN_MASK);
    mixCtrl |= ((command->flags) & (USDHC_MIX_CTRL_MSBSEL_MASK | USDHC_MIX_CTRL_BCEN_MASK | USDHC_MIX_CTRL_DTDSEL_MASK |
                                    USDHC_MIX_CTRL_AC12EN_MASK));

    /* config cmd index */
    xferType &= ~(USDHC_CMD_XFR_TYP_CMDINX_MASK | USDHC_CMD_XFR_TYP_DPSEL_MASK | USDHC_CMD_XFR_TYP_CMDTYP_MASK |
                  USDHC_CMD_XFR_TYP_CICEN_MASK | USDHC_CMD_XFR_TYP_CCCEN_MASK | USDHC_CMD_XFR_TYP_RSPTYP_MASK);

    xferType |= (((command->index << USDHC_CMD_XFR_TYP_CMDINX_SHIFT) & USDHC_CMD_XFR_TYP_CMDINX_MASK) |
                 ((command->flags) &
                  (USDHC_CMD_XFR_TYP_DPSEL_MASK | USDHC_CMD_XFR_TYP_CMDTYP_MASK | USDHC_CMD_XFR_TYP_CICEN_MASK |
                   USDHC_CMD_XFR_TYP_CCCEN_MASK | USDHC_CMD_XFR_TYP_RSPTYP_MASK)));
    /* config the mix parameter */
    base->MIX_CTRL = mixCtrl;
    /* config the command xfertype and argument */
    base->CMD_ARG = command->argument;
    base->CMD_XFR_TYP = xferType;
}

static status_t USDHC_WaitCommandDone(USDHC_Type *base, usdhc_command_t *command, bool executeTuning)
{
    assert(NULL != command);

    status_t error = kStatus_Success;
    uint32_t interruptStatus = 0U;
    /* tuning cmd do not need to wait command done */
    if (!executeTuning)
    {
        /* Wait command complete or USDHC encounters error. */
        while (!(USDHC_GetInterruptStatusFlags(base) & (kUSDHC_CommandCompleteFlag | kUSDHC_CommandErrorFlag)))
        {
        }

        interruptStatus = USDHC_GetInterruptStatusFlags(base);

        if ((interruptStatus & kUSDHC_TuningErrorFlag) != 0U)
        {
            error = kStatus_USDHC_TuningError;
        }
        else if ((interruptStatus & kUSDHC_CommandErrorFlag) != 0U)
        {
            error = kStatus_Fail;
        }
        else
        {
        }
        /* Receive response when command completes successfully. */
        if (error == kStatus_Success)
        {
            error = USDHC_ReceiveCommandResponse(base, command);
        }

        USDHC_ClearInterruptStatusFlags(
            base, (kUSDHC_CommandCompleteFlag | kUSDHC_CommandErrorFlag | kUSDHC_TuningErrorFlag));
    }

    return error;
}

static status_t USDHC_TransferDataBlocking(USDHC_Type *base, usdhc_data_t *data, bool enDMA)
{
    status_t error = kStatus_Success;
    uint32_t interruptStatus = 0U;

    if (enDMA)
    {
        /* Wait data complete or USDHC encounters error. */
        while (!(USDHC_GetInterruptStatusFlags(base) &
                 (kUSDHC_DataCompleteFlag | kUSDHC_DataErrorFlag | kUSDHC_DmaErrorFlag | kUSDHC_TuningErrorFlag)))
        {
        }

        interruptStatus = USDHC_GetInterruptStatusFlags(base);

        if ((interruptStatus & kUSDHC_TuningErrorFlag) != 0U)
        {
            error = kStatus_USDHC_TuningError;
        }
        else if ((interruptStatus & (kUSDHC_DataErrorFlag | kUSDHC_DmaErrorFlag)) != 0U)
        {
            if ((!(data->enableIgnoreError)) || (interruptStatus & kUSDHC_DataTimeoutFlag))
            {
                error = kStatus_Fail;
            }
        }
        else
        {
        }

        USDHC_ClearInterruptStatusFlags(base, (kUSDHC_DataCompleteFlag | kUSDHC_DataErrorFlag | kUSDHC_DmaErrorFlag |
                                               kUSDHC_TuningPassFlag | kUSDHC_TuningErrorFlag));
    }
    else
    {
        if (data->rxData)
        {
            error = USDHC_ReadByDataPortBlocking(base, data);
        }
        else
        {
            error = USDHC_WriteByDataPortBlocking(base, data);
        }
    }

#if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL
    /* invalidate cache for read */
    if ((data != NULL) && (data->rxData != NULL))
    {
        /* invalidate the DCACHE */
        DCACHE_InvalidateByRange((uint32_t)data->rxData, (data->blockSize) * (data->blockCount));
    }
#endif

    return error;
}

void USDHC_Init(USDHC_Type *base, const usdhc_config_t *config)
{
    assert(config);
    assert((config->writeWatermarkLevel >= 1U) && (config->writeWatermarkLevel <= 128U));
    assert((config->readWatermarkLevel >= 1U) && (config->readWatermarkLevel <= 128U));
    assert(config->writeBurstLen <= 16U);

    uint32_t proctl, sysctl, wml;

    /* Enable USDHC clock. */
    CLOCK_EnableClock(s_usdhcClock[USDHC_GetInstance(base)]);

    /* Reset USDHC. */
    USDHC_Reset(base, kUSDHC_ResetAll, 100U);

    proctl = base->PROT_CTRL;
    wml = base->WTMK_LVL;
    sysctl = base->SYS_CTRL;

    proctl &= ~(USDHC_PROT_CTRL_EMODE_MASK | USDHC_PROT_CTRL_DMASEL_MASK);
    /* Endian mode*/
    proctl |= USDHC_PROT_CTRL_EMODE(config->endianMode);

    /* Watermark level */
    wml &= ~(USDHC_WTMK_LVL_RD_WML_MASK | USDHC_WTMK_LVL_WR_WML_MASK | USDHC_WTMK_LVL_RD_BRST_LEN_MASK |
             USDHC_WTMK_LVL_WR_BRST_LEN_MASK);
    wml |= (USDHC_WTMK_LVL_RD_WML(config->readWatermarkLevel) | USDHC_WTMK_LVL_WR_WML(config->writeWatermarkLevel) |
            USDHC_WTMK_LVL_RD_BRST_LEN(config->readBurstLen) | USDHC_WTMK_LVL_WR_BRST_LEN(config->writeBurstLen));

    /* config the data timeout value */
    sysctl &= ~USDHC_SYS_CTRL_DTOCV_MASK;
    sysctl |= USDHC_SYS_CTRL_DTOCV(config->dataTimeout);

    base->SYS_CTRL = sysctl;
    base->WTMK_LVL = wml;
    base->PROT_CTRL = proctl;

#if FSL_FEATURE_USDHC_HAS_EXT_DMA
    /* disable external DMA */
    base->VEND_SPEC &= ~USDHC_VEND_SPEC_EXT_DMA_EN_MASK;
#endif
    /* disable internal DMA */
    base->MIX_CTRL &= ~USDHC_MIX_CTRL_DMAEN_MASK;

    /* Enable interrupt status but doesn't enable interrupt signal. */
    USDHC_SetTransferInterrupt(base, false);
}

void USDHC_Deinit(USDHC_Type *base)
{
    /* Disable clock. */
    CLOCK_DisableClock(s_usdhcClock[USDHC_GetInstance(base)]);
}

bool USDHC_Reset(USDHC_Type *base, uint32_t mask, uint32_t timeout)
{
    base->SYS_CTRL |= (mask & (USDHC_SYS_CTRL_RSTA_MASK | USDHC_SYS_CTRL_RSTC_MASK | USDHC_SYS_CTRL_RSTD_MASK));
    /* Delay some time to wait reset success. */
    while ((base->SYS_CTRL & mask) != 0U)
    {
        if (timeout == 0U)
        {
            break;
        }
        timeout--;
    }

    return ((!timeout) ? false : true);
}

void USDHC_GetCapability(USDHC_Type *base, usdhc_capability_t *capability)
{
    assert(capability);

    uint32_t htCapability;
    uint32_t maxBlockLength;

    htCapability = base->HOST_CTRL_CAP;

    /* Get the capability of USDHC. */
    maxBlockLength = ((htCapability & USDHC_HOST_CTRL_CAP_MBL_MASK) >> USDHC_HOST_CTRL_CAP_MBL_SHIFT);
    capability->maxBlockLength = (512U << maxBlockLength);
    /* Other attributes not in HTCAPBLT register. */
    capability->maxBlockCount = USDHC_MAX_BLOCK_COUNT;
    capability->flags = (htCapability & (kUSDHC_SupportAdmaFlag | kUSDHC_SupportHighSpeedFlag | kUSDHC_SupportDmaFlag |
                                         kUSDHC_SupportSuspendResumeFlag | kUSDHC_SupportV330Flag));
    capability->flags |= (htCapability & kUSDHC_SupportV300Flag);
    capability->flags |= (htCapability & kUSDHC_SupportV180Flag);
    capability->flags |=
        (htCapability & (kUSDHC_SupportDDR50Flag | kUSDHC_SupportSDR104Flag | kUSDHC_SupportSDR50Flag));
    /* USDHC support 4/8 bit data bus width. */
    capability->flags |= (kUSDHC_Support4BitFlag | kUSDHC_Support8BitFlag);
}

uint32_t USDHC_SetSdClock(USDHC_Type *base, uint32_t srcClock_Hz, uint32_t busClock_Hz)
{
    assert(srcClock_Hz != 0U);
    assert((busClock_Hz != 0U) && (busClock_Hz <= srcClock_Hz));

    uint32_t totalDiv = 0U;
    uint32_t divisor = 0U;
    uint32_t prescaler = 0U;
    uint32_t sysctl = 0U;
    uint32_t nearestFrequency = 0U;
    uint32_t maxClKFS = ((USDHC_SYS_CTRL_SDCLKFS_MASK >> USDHC_SYS_CTRL_SDCLKFS_SHIFT) + 1U);
    bool enDDR = false;
    /* DDR mode max clkfs can reach 512 */
    if ((base->MIX_CTRL & USDHC_MIX_CTRL_DDR_EN_MASK) != 0U)
    {
        enDDR = true;
        maxClKFS *= 2U;
    }
    /* calucate total divisor first */
    totalDiv = srcClock_Hz / busClock_Hz;

    if (totalDiv != 0U)
    {
        /* calucate the divisor (srcClock_Hz / divisor) <= busClock_Hz */
        if ((srcClock_Hz / totalDiv) > busClock_Hz)
        {
            totalDiv++;
        }

        /* divide the total divisor to div and prescaler */
        if (totalDiv > USDHC_MAX_DVS)
        {
            prescaler = totalDiv / USDHC_MAX_DVS;
            /* prescaler must be a value which equal 2^n and smaller than SDHC_MAX_CLKFS */
            while (((maxClKFS % prescaler) != 0U) || (prescaler == 1U))
            {
                prescaler++;
            }
            /* calucate the divisor */
            divisor = totalDiv / prescaler;
            /* fine tuning the divisor until divisor * prescaler >= totalDiv */
            while ((divisor * prescaler) < totalDiv)
            {
                divisor++;
            }
            nearestFrequency = srcClock_Hz / divisor / prescaler;
        }
        else
        {
            /* in this situation , divsior and SDCLKFS can generate same clock
            use SDCLKFS*/
            if ((USDHC_MAX_DVS % totalDiv) == 0U)
            {
                divisor = 0U;
                prescaler = totalDiv;
            }
            else
            {
                divisor = totalDiv;
                prescaler = 0U;
            }
            nearestFrequency = srcClock_Hz / totalDiv;
        }
    }
    /* in this condition , srcClock_Hz = busClock_Hz, */
    else
    {
        /* in DDR mode , set SDCLKFS to 0, divisor = 0, actually the
        totoal divider = 2U */
        divisor = 0U;
        prescaler = 0U;
        nearestFrequency = srcClock_Hz;
    }

    /* calucate the value write to register */
    if (divisor != 0U)
    {
        USDHC_PREV_DVS(divisor);
    }
    /* calucate the value write to register */
    if (prescaler != 0U)
    {
        USDHC_PREV_CLKFS(prescaler, (enDDR ? 2U : 1U));
    }

    /* Set the SD clock frequency divisor, SD clock frequency select, data timeout counter value. */
    sysctl = base->SYS_CTRL;
    sysctl &= ~(USDHC_SYS_CTRL_DVS_MASK | USDHC_SYS_CTRL_SDCLKFS_MASK);
    sysctl |= (USDHC_SYS_CTRL_DVS(divisor) | USDHC_SYS_CTRL_SDCLKFS(prescaler));
    base->SYS_CTRL = sysctl;

    /* Wait until the SD clock is stable. */
    while (!(base->PRES_STATE & USDHC_PRES_STATE_SDSTB_MASK))
    {
    }

    return nearestFrequency;
}

bool USDHC_SetCardActive(USDHC_Type *base, uint32_t timeout)
{
    base->SYS_CTRL |= USDHC_SYS_CTRL_INITA_MASK;
    /* Delay some time to wait card become active state. */
    while ((base->SYS_CTRL & USDHC_SYS_CTRL_INITA_MASK) == USDHC_SYS_CTRL_INITA_MASK)
    {
        if (!timeout)
        {
            break;
        }
        timeout--;
    }

    return ((!timeout) ? false : true);
}

void USDHC_SetMmcBootConfig(USDHC_Type *base, const usdhc_boot_config_t *config)
{
    assert(config);
    assert(config->ackTimeoutCount <= (USDHC_MMC_BOOT_DTOCV_ACK_MASK >> USDHC_MMC_BOOT_DTOCV_ACK_SHIFT));
    assert(config->blockCount <= (USDHC_MMC_BOOT_BOOT_BLK_CNT_MASK >> USDHC_MMC_BOOT_BOOT_BLK_CNT_SHIFT));

    uint32_t mmcboot = 0U;

    mmcboot = (USDHC_MMC_BOOT_DTOCV_ACK(config->ackTimeoutCount) | USDHC_MMC_BOOT_BOOT_MODE(config->bootMode) |
               USDHC_MMC_BOOT_BOOT_BLK_CNT(config->blockCount));

    if (config->enableBootAck)
    {
        mmcboot |= USDHC_MMC_BOOT_BOOT_ACK_MASK;
    }
    if (config->enableBoot)
    {
        mmcboot |= USDHC_MMC_BOOT_BOOT_EN_MASK;
    }
    if (config->enableAutoStopAtBlockGap)
    {
        mmcboot |= USDHC_MMC_BOOT_AUTO_SABG_EN_MASK;
    }

    base->MMC_BOOT = mmcboot;
}

status_t USDHC_SetAdmaTableConfig(USDHC_Type *base,
                                  usdhc_adma_config_t *dmaConfig,
                                  usdhc_data_t *dataConfig,
                                  uint32_t flags)
{
    assert(NULL != dmaConfig);
    assert(NULL != dmaConfig->admaTable);
    assert(NULL != dataConfig);

    const uint32_t *startAddress;
    uint32_t entries;
    uint32_t i, dmaBufferLen = 0U;
    usdhc_adma1_descriptor_t *adma1EntryAddress;
    usdhc_adma2_descriptor_t *adma2EntryAddress;
    uint32_t dataBytes = dataConfig->blockSize * dataConfig->blockCount;
    const uint32_t *data = (dataConfig->rxData == NULL) ? dataConfig->txData : dataConfig->rxData;

    /* check DMA data buffer address align or not */
    if (((dmaConfig->dmaMode == kUSDHC_DmaModeAdma1) && (((uint32_t)data % USDHC_ADMA1_ADDRESS_ALIGN) != 0U)) ||
        ((dmaConfig->dmaMode == kUSDHC_DmaModeAdma2) && (((uint32_t)data % USDHC_ADMA2_ADDRESS_ALIGN) != 0U)) ||
        ((dmaConfig->dmaMode == kUSDHC_DmaModeSimple) && (((uint32_t)data % USDHC_ADMA2_ADDRESS_ALIGN) != 0U)))
    {
        return kStatus_USDHC_DMADataAddrNotAlign;
    }

    /*
    * Add non aligned access support ,user need make sure your buffer size is big
    * enough to hold the data,in other words,user need make sure the buffer size
    * is 4 byte aligned
    */
    if (dataBytes % sizeof(uint32_t) != 0U)
    {
        /* make the data length as word-aligned */
        dataBytes += sizeof(uint32_t) - (dataBytes % sizeof(uint32_t));
    }

    startAddress = data;

    switch (dmaConfig->dmaMode)
    {
#if FSL_FEATURE_USDHC_HAS_EXT_DMA
        case kUSDHC_ExternalDMA:
            /* enable the external DMA */
            base->VEND_SPEC |= USDHC_VEND_SPEC_EXT_DMA_EN_MASK;
            break;
#endif
        case kUSDHC_DmaModeSimple:
            /* in simple DMA mode if use auto CMD23, address should load to ADMA addr,
             and block count should load to DS_ADDR*/
            if ((flags & kUSDHC_EnableAutoCommand23Flag) != 0U)
            {
                base->ADMA_SYS_ADDR = (uint32_t)data;
            }
            else
            {
                base->DS_ADDR = (uint32_t)data;
            }

            break;

        case kUSDHC_DmaModeAdma1:

            /* Check if ADMA descriptor's number is enough. */
            if ((dataBytes % USDHC_ADMA1_DESCRIPTOR_MAX_LENGTH_PER_ENTRY) == 0U)
            {
                entries = dataBytes / USDHC_ADMA1_DESCRIPTOR_MAX_LENGTH_PER_ENTRY;
            }
            else
            {
                entries = ((dataBytes / USDHC_ADMA1_DESCRIPTOR_MAX_LENGTH_PER_ENTRY) + 1U);
            }

            /* ADMA1 needs two descriptors to finish a transfer */
            entries <<= 1U;

            if (entries > ((dmaConfig->admaTableWords * sizeof(uint32_t)) / sizeof(usdhc_adma1_descriptor_t)))
            {
                return kStatus_OutOfRange;
            }

            adma1EntryAddress = (usdhc_adma1_descriptor_t *)(dmaConfig->admaTable);
            for (i = 0U; i < entries; i += 2U)
            {
                if (dataBytes > USDHC_ADMA1_DESCRIPTOR_MAX_LENGTH_PER_ENTRY)
                {
                    dmaBufferLen = USDHC_ADMA1_DESCRIPTOR_MAX_LENGTH_PER_ENTRY;
                    dataBytes -= dmaBufferLen;
                }
                else
                {
                    dmaBufferLen = dataBytes;
                }

                adma1EntryAddress[i] = (dmaBufferLen << USDHC_ADMA1_DESCRIPTOR_LENGTH_SHIFT);
                adma1EntryAddress[i] |= kUSDHC_Adma1DescriptorTypeSetLength;
                adma1EntryAddress[i + 1U] = ((uint32_t)(startAddress) << USDHC_ADMA1_DESCRIPTOR_ADDRESS_SHIFT);
                adma1EntryAddress[i + 1U] |= kUSDHC_Adma1DescriptorTypeTransfer;
                startAddress += dmaBufferLen / sizeof(uint32_t);
            }
            /* the end of the descriptor */
            adma1EntryAddress[i - 1U] |= kUSDHC_Adma1DescriptorEndFlag;
            /* When use ADMA, disable simple DMA */
            base->DS_ADDR = 0U;
            base->ADMA_SYS_ADDR = (uint32_t)(dmaConfig->admaTable);
            break;

        case kUSDHC_DmaModeAdma2:
            /* Check if ADMA descriptor's number is enough. */
            if ((dataBytes % USDHC_ADMA1_DESCRIPTOR_MAX_LENGTH_PER_ENTRY) == 0U)
            {
                entries = dataBytes / USDHC_ADMA1_DESCRIPTOR_MAX_LENGTH_PER_ENTRY;
            }
            else
            {
                entries = ((dataBytes / USDHC_ADMA1_DESCRIPTOR_MAX_LENGTH_PER_ENTRY) + 1U);
            }

            if (entries > ((dmaConfig->admaTableWords * sizeof(uint32_t)) / sizeof(usdhc_adma2_descriptor_t)))
            {
                return kStatus_OutOfRange;
            }

            adma2EntryAddress = (usdhc_adma2_descriptor_t *)(dmaConfig->admaTable);
            for (i = 0U; i < entries; i++)
            {
                if (dataBytes > USDHC_ADMA2_DESCRIPTOR_MAX_LENGTH_PER_ENTRY)
                {
                    dmaBufferLen = USDHC_ADMA2_DESCRIPTOR_MAX_LENGTH_PER_ENTRY;
                    dataBytes -= dmaBufferLen;
                }
                else
                {
                    dmaBufferLen = dataBytes;
                }

                /* Each descriptor for ADMA2 is 64-bit in length */
                adma2EntryAddress[i].address = startAddress;
                adma2EntryAddress[i].attribute = (dmaBufferLen << USDHC_ADMA2_DESCRIPTOR_LENGTH_SHIFT);
                adma2EntryAddress[i].attribute |= kUSDHC_Adma2DescriptorTypeTransfer;
                startAddress += (dmaBufferLen / sizeof(uint32_t));
            }
            /* set the end bit */
            adma2EntryAddress[i - 1U].attribute |= kUSDHC_Adma2DescriptorEndFlag;
            /* When use ADMA, disable simple DMA */
            base->DS_ADDR = 0U;
            base->ADMA_SYS_ADDR = (uint32_t)(dmaConfig->admaTable);

            break;
        default:
            return kStatus_USDHC_PrepareAdmaDescriptorFailed;
    }

    /* for external dma */
    if (dmaConfig->dmaMode != kUSDHC_ExternalDMA)
    {
#if FSL_FEATURE_USDHC_HAS_EXT_DMA
        /* disable the external DMA if support */
        base->VEND_SPEC &= ~USDHC_VEND_SPEC_EXT_DMA_EN_MASK;
#endif
        /* select DMA mode and config the burst length */
        base->PROT_CTRL &= ~(USDHC_PROT_CTRL_DMASEL_MASK | USDHC_PROT_CTRL_BURST_LEN_EN_MASK);
        base->PROT_CTRL |=
            USDHC_PROT_CTRL_DMASEL(dmaConfig->dmaMode) | USDHC_PROT_CTRL_BURST_LEN_EN(dmaConfig->burstLen);
        /* enable DMA */
        base->MIX_CTRL |= USDHC_MIX_CTRL_DMAEN_MASK;
    }

    /* disable the interrupt signal for interrupt mode */
    USDHC_DisableInterruptSignal(base, kUSDHC_BufferReadReadyFlag | kUSDHC_BufferWriteReadyFlag);

    return kStatus_Success;
}

status_t USDHC_TransferBlocking(USDHC_Type *base, usdhc_adma_config_t *dmaConfig, usdhc_transfer_t *transfer)
{
    assert(transfer);

    status_t error = kStatus_Success;
    usdhc_command_t *command = transfer->command;
    usdhc_data_t *data = transfer->data;
    bool enDMA = false;

    /* Wait until command/data bus out of busy status. */
    while (USDHC_GetPresentStatusFlags(base) & kUSDHC_CommandInhibitFlag)
    {
    }
    while (data && (USDHC_GetPresentStatusFlags(base) & kUSDHC_DataInhibitFlag))
    {
    }
    /*check re-tuning request*/
    if ((USDHC_GetInterruptStatusFlags(base) & kUSDHC_ReTuningEventFlag) != 0U)
    {
        USDHC_ClearInterruptStatusFlags(base, kUSDHC_ReTuningEventFlag);
        return kStatus_USDHC_ReTuningRequest;
    }

#if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL
    if ((data != NULL) && (!(data->executeTuning)))
    {
        if (data->txData != NULL)
        {
            /* clear the DCACHE */
            DCACHE_CleanByRange((uint32_t)data->txData, (data->blockSize) * (data->blockCount));
        }
        else
        {
            /* clear the DCACHE */
            DCACHE_CleanByRange((uint32_t)data->rxData, (data->blockSize) * (data->blockCount));
        }
    }
#endif

    /* config the transfer parameter */
    if (kStatus_Success != USDHC_SetTransferConfig(base, command, data))
    {
        return kStatus_InvalidArgument;
    }

    /* Update ADMA descriptor table according to different DMA mode(no DMA, ADMA1, ADMA2).*/
    if ((data != NULL) && (dmaConfig != NULL) && (!data->executeTuning))
    {
        error = USDHC_SetAdmaTableConfig(base, dmaConfig, data, command->flags);
        /* if the target data buffer address is not align , we change the transfer mode
        * to polling automatically, other DMA config error will not cover by driver, user
        * should handle it
        */
        if ((error != kStatus_USDHC_DMADataAddrNotAlign) && (error != kStatus_Success))
        {
            return kStatus_USDHC_PrepareAdmaDescriptorFailed;
        }
        else if (error == kStatus_USDHC_DMADataAddrNotAlign)
        {
            enDMA = false;
            /* disable DMA, using polling mode in this situation */
            base->MIX_CTRL &= ~USDHC_MIX_CTRL_DMAEN_MASK;
        }
        else
        {
            enDMA = true;
        }
    }
    else
    {
        /* disable DMA */
        base->MIX_CTRL &= ~USDHC_MIX_CTRL_DMAEN_MASK;
    }
    /* send command */
    USDHC_SendCommand(base, command);
    /* wait command done */
    error = USDHC_WaitCommandDone(base, command, ((data == NULL) ? false : data->executeTuning));
    /* transfer data */
    if ((data != NULL) && (error == kStatus_Success))
    {
        return USDHC_TransferDataBlocking(base, data, enDMA);
    }

    return error;
}

status_t USDHC_TransferNonBlocking(USDHC_Type *base,
                                   usdhc_handle_t *handle,
                                   usdhc_adma_config_t *dmaConfig,
                                   usdhc_transfer_t *transfer)
{
    assert(handle);
    assert(transfer);

    status_t error = kStatus_Success;
    usdhc_command_t *command = transfer->command;
    usdhc_data_t *data = transfer->data;

    /* Wait until command/data bus out of busy status. */
    if ((USDHC_GetPresentStatusFlags(base) & kUSDHC_CommandInhibitFlag) ||
        (data && (USDHC_GetPresentStatusFlags(base) & kUSDHC_DataInhibitFlag)))
    {
        return kStatus_USDHC_BusyTransferring;
    }

    /*check re-tuning request*/
    if ((USDHC_GetInterruptStatusFlags(base) & (kUSDHC_ReTuningEventFlag)) != 0U)
    {
        USDHC_ClearInterruptStatusFlags(base, kUSDHC_ReTuningEventFlag);
        return kStatus_USDHC_ReTuningRequest;
    }

#if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL
    if ((data != NULL) && (!(data->executeTuning)))
    {
        if (data->txData != NULL)
        {
            /* clear the DCACHE */
            DCACHE_CleanByRange((uint32_t)data->txData, (data->blockSize) * (data->blockCount));
        }
        else
        {
            /* clear the DCACHE */
            DCACHE_CleanByRange((uint32_t)data->rxData, (data->blockSize) * (data->blockCount));
        }
    }
#endif

    /* Save command and data into handle before transferring. */
    handle->command = command;
    handle->data = data;
    handle->interruptFlags = 0U;
    /* transferredWords will only be updated in ISR when transfer way is DATAPORT. */
    handle->transferredWords = 0U;

    if (kStatus_Success != USDHC_SetTransferConfig(base, command, data))
    {
        return kStatus_InvalidArgument;
    }

    /* Update ADMA descriptor table according to different DMA mode(no DMA, ADMA1, ADMA2).*/
    if ((data != NULL) && (dmaConfig != NULL) && (!data->executeTuning))
    {
        error = USDHC_SetAdmaTableConfig(base, dmaConfig, data, command->flags);
        /* if the target data buffer address is not align , we change the transfer mode
        * to polling automatically, other DMA config error will not cover by driver, user
        * should handle it
        */
        if ((error != kStatus_USDHC_DMADataAddrNotAlign) && (error != kStatus_Success))
        {
            return kStatus_USDHC_PrepareAdmaDescriptorFailed;
        }
        else if (error == kStatus_USDHC_DMADataAddrNotAlign)
        {
            /* disable DMA, using polling mode in this situation */
            base->MIX_CTRL &= ~USDHC_MIX_CTRL_DMAEN_MASK;
            /* enable the interrupt signal for interrupt mode */
            USDHC_EnableInterruptSignal(base, kUSDHC_BufferReadReadyFlag | kUSDHC_BufferWriteReadyFlag);
        }
        else
        {
        }
    }
    else
    {
        /* disable DMA */
        base->MIX_CTRL &= ~USDHC_MIX_CTRL_DMAEN_MASK;
    }

    /* enable the buffer read ready for std tuning */
    if ((data != NULL) && (data->executeTuning))
    {
        USDHC_EnableInterruptSignal(base, kUSDHC_BufferReadReadyFlag);
    }

    /* send command */
    USDHC_SendCommand(base, command);

    return kStatus_Success;
}

#if defined(FSL_FEATURE_USDHC_HAS_SDR50_MODE) && (!FSL_FEATURE_USDHC_HAS_SDR50_MODE)
#else
void USDHC_EnableManualTuning(USDHC_Type *base, bool enable)
{
    if (enable)
    {
        /* make sure std_tun_en bit is clear */
        base->TUNING_CTRL &= ~USDHC_TUNING_CTRL_STD_TUNING_EN_MASK;
        /* disable auto tuning here */
        base->MIX_CTRL &= ~USDHC_MIX_CTRL_AUTO_TUNE_EN_MASK;
        /* execute tuning for SDR104 mode */
        base->MIX_CTRL |=
            USDHC_MIX_CTRL_EXE_TUNE_MASK | USDHC_MIX_CTRL_SMP_CLK_SEL_MASK | USDHC_MIX_CTRL_FBCLK_SEL_MASK;
    }
    else
    { /* abort the tuning */
        base->MIX_CTRL &= ~(USDHC_MIX_CTRL_EXE_TUNE_MASK | USDHC_MIX_CTRL_SMP_CLK_SEL_MASK);
    }
}

status_t USDHC_AdjustDelayForManualTuning(USDHC_Type *base, uint32_t delay)
{
    uint32_t clkTuneCtrl = 0U;

    clkTuneCtrl = base->CLK_TUNE_CTRL_STATUS;

    clkTuneCtrl &= ~USDHC_CLK_TUNE_CTRL_STATUS_DLY_CELL_SET_PRE_MASK;

    clkTuneCtrl |= USDHC_CLK_TUNE_CTRL_STATUS_DLY_CELL_SET_PRE(delay);

    /* load the delay setting */
    base->CLK_TUNE_CTRL_STATUS = clkTuneCtrl;
    /* check delat setting error */
    if (base->CLK_TUNE_CTRL_STATUS &
        (USDHC_CLK_TUNE_CTRL_STATUS_PRE_ERR_MASK | USDHC_CLK_TUNE_CTRL_STATUS_NXT_ERR_MASK))
    {
        return kStatus_Fail;
    }

    return kStatus_Success;
}

void USDHC_EnableStandardTuning(USDHC_Type *base, uint32_t tuningStartTap, uint32_t step, bool enable)
{
    uint32_t tuningCtrl = 0U;

    if (enable)
    {
        /* feedback clock */
        base->MIX_CTRL |= USDHC_MIX_CTRL_FBCLK_SEL_MASK;
        /* config tuning start and step */
        tuningCtrl = base->TUNING_CTRL;
        tuningCtrl &= ~(USDHC_TUNING_CTRL_TUNING_START_TAP_MASK | USDHC_TUNING_CTRL_TUNING_STEP_MASK);
        tuningCtrl |= (USDHC_TUNING_CTRL_TUNING_START_TAP(tuningStartTap) | USDHC_TUNING_CTRL_TUNING_STEP(step) |
                       USDHC_TUNING_CTRL_STD_TUNING_EN_MASK);
        base->TUNING_CTRL = tuningCtrl;

        /* excute tuning */
        base->AUTOCMD12_ERR_STATUS |=
            (USDHC_AUTOCMD12_ERR_STATUS_EXECUTE_TUNING_MASK | USDHC_AUTOCMD12_ERR_STATUS_SMP_CLK_SEL_MASK);
    }
    else
    {
        /* disable the standard tuning */
        base->TUNING_CTRL &= ~USDHC_TUNING_CTRL_STD_TUNING_EN_MASK;
        /* clear excute tuning */
        base->AUTOCMD12_ERR_STATUS &=
            ~(USDHC_AUTOCMD12_ERR_STATUS_EXECUTE_TUNING_MASK | USDHC_AUTOCMD12_ERR_STATUS_SMP_CLK_SEL_MASK);
    }
}

void USDHC_EnableAutoTuningForCmdAndData(USDHC_Type *base)
{
    uint32_t busWidth = 0U;

    base->VEND_SPEC2 |= USDHC_VEND_SPEC2_TUNING_CMD_EN_MASK;
    busWidth = (base->PROT_CTRL & USDHC_PROT_CTRL_DTW_MASK) >> USDHC_PROT_CTRL_DTW_SHIFT;
    if (busWidth == kUSDHC_DataBusWidth1Bit)
    {
        base->VEND_SPEC2 &= ~USDHC_VEND_SPEC2_TUNING_8bit_EN_MASK;
        base->VEND_SPEC2 |= USDHC_VEND_SPEC2_TUNING_1bit_EN_MASK;
    }
    else if (busWidth == kUSDHC_DataBusWidth4Bit)
    {
        base->VEND_SPEC2 &= ~USDHC_VEND_SPEC2_TUNING_8bit_EN_MASK;
        base->VEND_SPEC2 &= ~USDHC_VEND_SPEC2_TUNING_1bit_EN_MASK;
    }
    else if (busWidth == kUSDHC_DataBusWidth8Bit)
    {
        base->VEND_SPEC2 |= USDHC_VEND_SPEC2_TUNING_8bit_EN_MASK;
        base->VEND_SPEC2 &= ~USDHC_VEND_SPEC2_TUNING_1bit_EN_MASK;
    }
    else
    {
    }
}
#endif

static void USDHC_TransferHandleCardDetect(usdhc_handle_t *handle, uint32_t interruptFlags)
{
    if (interruptFlags & kUSDHC_CardInsertionFlag)
    {
        if (handle->callback.CardInserted)
        {
            handle->callback.CardInserted();
        }
    }
    else
    {
        if (handle->callback.CardRemoved)
        {
            handle->callback.CardRemoved();
        }
    }
}

static void USDHC_TransferHandleCommand(USDHC_Type *base, usdhc_handle_t *handle, uint32_t interruptFlags)
{
    assert(handle->command);

    if ((interruptFlags & kUSDHC_CommandErrorFlag) && (!(handle->data)))
    {
        if (handle->callback.TransferComplete)
        {
            handle->callback.TransferComplete(base, handle, kStatus_USDHC_SendCommandFailed, handle->userData);
        }
    }
    else
    {
        /* Receive response */
        if (kStatus_Success != USDHC_ReceiveCommandResponse(base, handle->command))
        {
            if (handle->callback.TransferComplete)
            {
                handle->callback.TransferComplete(base, handle, kStatus_USDHC_SendCommandFailed, handle->userData);
            }
        }
        else if ((!(handle->data)) && (handle->callback.TransferComplete))
        {
            if (handle->callback.TransferComplete)
            {
                handle->callback.TransferComplete(base, handle, kStatus_Success, handle->userData);
            }
        }
        else
        {
        }
    }
}

static void USDHC_TransferHandleData(USDHC_Type *base, usdhc_handle_t *handle, uint32_t interruptFlags)
{
    assert(handle->data);

    if (((!(handle->data->enableIgnoreError)) || (interruptFlags & kUSDHC_DataTimeoutFlag)) &&
        (interruptFlags & (kUSDHC_DataErrorFlag | kUSDHC_DmaErrorFlag)))
    {
        if (handle->callback.TransferComplete)
        {
            handle->callback.TransferComplete(base, handle, kStatus_USDHC_TransferDataFailed, handle->userData);
        }
    }
    else
    {
        if (interruptFlags & kUSDHC_BufferReadReadyFlag)
        {
            /* std tuning process only need to wait BRR */
            if (handle->data->executeTuning)
            {
                if (handle->callback.TransferComplete)
                {
                    handle->callback.TransferComplete(base, handle, kStatus_Success, handle->userData);
                }
            }
            else
            {
                handle->transferredWords = USDHC_ReadDataPort(base, handle->data, handle->transferredWords);
            }
        }
        else if (interruptFlags & kUSDHC_BufferWriteReadyFlag)
        {
            handle->transferredWords = USDHC_WriteDataPort(base, handle->data, handle->transferredWords);
        }
        else if (interruptFlags & kUSDHC_DataCompleteFlag)
        {
            if (handle->callback.TransferComplete)
            {
                handle->callback.TransferComplete(base, handle, kStatus_Success, handle->userData);
            }
        }
        else
        {
            /* Do nothing when DMA complete flag is set. Wait until data complete flag is set. */
        }
#if defined(FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL) && FSL_SDK_ENABLE_DRIVER_CACHE_CONTROL
        /* invalidate cache for read */
        if ((handle->data != NULL) && (handle->data->rxData != NULL))
        {
            /* invalidate the DCACHE */
            DCACHE_InvalidateByRange((uint32_t)handle->data->rxData,
                                     (handle->data->blockSize) * (handle->data->blockCount));
        }
#endif
    }
}

static void USDHC_TransferHandleSdioInterrupt(usdhc_handle_t *handle)
{
    if (handle->callback.SdioInterrupt)
    {
        handle->callback.SdioInterrupt();
    }
}

static void USDHC_TransferHandleReTuning(USDHC_Type *base, usdhc_handle_t *handle, uint32_t interruptFlags)
{
    assert(handle->callback.ReTuning);
    /* retuning request */
    if ((interruptFlags & kUSDHC_TuningErrorFlag) == kUSDHC_TuningErrorFlag)
    {
        handle->callback.ReTuning(); /* retuning fail */
    }
}

static void USDHC_TransferHandleSdioBlockGap(usdhc_handle_t *handle)
{
    if (handle->callback.SdioBlockGap)
    {
        handle->callback.SdioBlockGap();
    }
}

void USDHC_TransferCreateHandle(USDHC_Type *base,
                                usdhc_handle_t *handle,
                                const usdhc_transfer_callback_t *callback,
                                void *userData)
{
    assert(handle);
    assert(callback);

    /* Zero the handle. */
    memset(handle, 0, sizeof(*handle));

    /* Set the callback. */
    handle->callback.CardInserted = callback->CardInserted;
    handle->callback.CardRemoved = callback->CardRemoved;
    handle->callback.SdioInterrupt = callback->SdioInterrupt;
    handle->callback.SdioBlockGap = callback->SdioBlockGap;
    handle->callback.TransferComplete = callback->TransferComplete;
    handle->callback.ReTuning = callback->ReTuning;
    handle->userData = userData;

    /* Save the handle in global variables to support the double weak mechanism. */
    s_usdhcHandle[USDHC_GetInstance(base)] = handle;

    /* Enable interrupt in NVIC. */
    USDHC_SetTransferInterrupt(base, true);
    /* disable the tuning pass interrupt */
    USDHC_DisableInterruptSignal(base, kUSDHC_TuningPassFlag | kUSDHC_ReTuningEventFlag);
    /* save IRQ handler */
    s_usdhcIsr = USDHC_TransferHandleIRQ;

    EnableIRQ(s_usdhcIRQ[USDHC_GetInstance(base)]);
}

void USDHC_TransferHandleIRQ(USDHC_Type *base, usdhc_handle_t *handle)
{
    assert(handle);

    uint32_t interruptFlags;

    interruptFlags = USDHC_GetInterruptStatusFlags(base);
    handle->interruptFlags = interruptFlags;

    if (interruptFlags & kUSDHC_CardDetectFlag)
    {
        USDHC_TransferHandleCardDetect(handle, (interruptFlags & kUSDHC_CardDetectFlag));
    }
    if (interruptFlags & kUSDHC_CommandFlag)
    {
        USDHC_TransferHandleCommand(base, handle, (interruptFlags & kUSDHC_CommandFlag));
    }
    if (interruptFlags & kUSDHC_DataFlag)
    {
        USDHC_TransferHandleData(base, handle, (interruptFlags & kUSDHC_DataFlag));
    }
    if (interruptFlags & kUSDHC_CardInterruptFlag)
    {
        USDHC_TransferHandleSdioInterrupt(handle);
    }
    if (interruptFlags & kUSDHC_BlockGapEventFlag)
    {
        USDHC_TransferHandleSdioBlockGap(handle);
    }
    if (interruptFlags & kUSDHC_SDR104TuningFlag)
    {
        USDHC_TransferHandleReTuning(base, handle, (interruptFlags & kUSDHC_SDR104TuningFlag));
    }

    USDHC_ClearInterruptStatusFlags(base, interruptFlags);
}

#ifdef USDHC0
void USDHC0_DriverIRQHandler(void)
{
    s_usdhcIsr(s_usdhcBase[0U], s_usdhcHandle[0U]);
}
#endif

#ifdef USDHC1
void USDHC1_DriverIRQHandler(void)
{
    s_usdhcIsr(s_usdhcBase[1U], s_usdhcHandle[1U]);
}
#endif

#ifdef USDHC2
void USDHC2_DriverIRQHandler(void)
{
    s_usdhcIsr(s_usdhcBase[2U], s_usdhcHandle[2U]);
}

#endif