/* * The Clear BSD License * Copyright (c) 2016, Freescale Semiconductor, Inc. * Copyright 2016-2017 NXP * All rights reserved. * * Redistribution and use in source and binary forms, with or without modification, * are permitted (subject to the limitations in the disclaimer below) provided * that the following conditions are met: * * o Redistributions of source code must retain the above copyright notice, this list * of conditions and the following disclaimer. * * o Redistributions in binary form must reproduce the above copyright notice, this * list of conditions and the following disclaimer in the documentation and/or * other materials provided with the distribution. * * o Neither the name of the copyright holder nor the names of its * contributors may be used to endorse or promote products derived from this * software without specific prior written permission. * * NO EXPRESS OR IMPLIED LICENSES TO ANY PARTY'S PATENT RIGHTS ARE GRANTED BY THIS LICENSE. * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" AND * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED * WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR * ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES * (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON * ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */ #ifndef _FSL_SPIFI_DMA_H_ #define _FSL_SPIFI_DMA_H_ #include "fsl_dma.h" #include "fsl_spifi.h" /*! * @addtogroup spifi * @{ */ /******************************************************************************* * Definitions ******************************************************************************/ /*! @name Driver version */ /*@{*/ /*! @brief SPIFI DMA driver version 2.0.2. */ #define FSL_SPIFI_DMA_DRIVER_VERSION (MAKE_VERSION(2, 0, 2)) /*@}*/ typedef struct _spifi_dma_handle spifi_dma_handle_t; /*! @brief SPIFI DMA transfer callback function for finish and error */ typedef void (*spifi_dma_callback_t)(SPIFI_Type *base, spifi_dma_handle_t *handle, status_t status, void *userData); /*! @brief SPIFI DMA transfer handle, users should not touch the content of the handle.*/ struct _spifi_dma_handle { dma_handle_t *dmaHandle; /*!< DMA handler for SPIFI send */ size_t transferSize; /*!< Bytes need to transfer. */ uint32_t state; /*!< Internal state for SPIFI DMA transfer */ spifi_dma_callback_t callback; /*!< Callback for users while transfer finish or error occurred */ void *userData; /*!< User callback parameter */ }; /******************************************************************************* * APIs ******************************************************************************/ #if defined(__cplusplus) extern "C" { #endif /*! * @name DMA Transactional * @{ */ /*! * @brief Initializes the SPIFI handle for send which is used in transactional functions and set the callback. * * @param base SPIFI peripheral base address * @param handle Pointer to spifi_dma_handle_t structure * @param callback SPIFI callback, NULL means no callback. * @param userData User callback function data. * @param rxDmaHandle User requested DMA handle for DMA transfer */ void SPIFI_TransferTxCreateHandleDMA(SPIFI_Type *base, spifi_dma_handle_t *handle, spifi_dma_callback_t callback, void *userData, dma_handle_t *dmaHandle); /*! * @brief Initializes the SPIFI handle for receive which is used in transactional functions and set the callback. * * @param base SPIFI peripheral base address * @param handle Pointer to spifi_dma_handle_t structure * @param callback SPIFI callback, NULL means no callback. * @param userData User callback function data. * @param rxDmaHandle User requested DMA handle for DMA transfer */ void SPIFI_TransferRxCreateHandleDMA(SPIFI_Type *base, spifi_dma_handle_t *handle, spifi_dma_callback_t callback, void *userData, dma_handle_t *dmaHandle); /*! * @brief Transfers SPIFI data using an DMA non-blocking method. * * This function writes data to the SPIFI transmit FIFO. This function is non-blocking. * @param base Pointer to QuadSPI Type. * @param handle Pointer to spifi_dma_handle_t structure * @param xfer SPIFI transfer structure. */ status_t SPIFI_TransferSendDMA(SPIFI_Type *base, spifi_dma_handle_t *handle, spifi_transfer_t *xfer); /*! * @brief Receives data using an DMA non-blocking method. * * This function receive data from the SPIFI receive buffer/FIFO. This function is non-blocking. * @param base Pointer to QuadSPI Type. * @param handle Pointer to spifi_dma_handle_t structure * @param xfer SPIFI transfer structure. */ status_t SPIFI_TransferReceiveDMA(SPIFI_Type *base, spifi_dma_handle_t *handle, spifi_transfer_t *xfer); /*! * @brief Aborts the sent data using DMA. * * This function aborts the sent data using DMA. * * @param base SPIFI peripheral base address. * @param handle Pointer to spifi_dma_handle_t structure */ void SPIFI_TransferAbortSendDMA(SPIFI_Type *base, spifi_dma_handle_t *handle); /*! * @brief Aborts the receive data using DMA. * * This function abort receive data which using DMA. * * @param base SPIFI peripheral base address. * @param handle Pointer to spifi_dma_handle_t structure */ void SPIFI_TransferAbortReceiveDMA(SPIFI_Type *base, spifi_dma_handle_t *handle); /*! * @brief Gets the transferred counts of send. * * @param base Pointer to QuadSPI Type. * @param handle Pointer to spifi_dma_handle_t structure. * @param count Bytes sent. * @retval kStatus_Success Succeed get the transfer count. * @retval kStatus_NoTransferInProgress There is not a non-blocking transaction currently in progress. */ status_t SPIFI_TransferGetSendCountDMA(SPIFI_Type *base, spifi_dma_handle_t *handle, size_t *count); /*! * @brief Gets the status of the receive transfer. * * @param base Pointer to QuadSPI Type. * @param handle Pointer to spifi_dma_handle_t structure * @param count Bytes received. * @retval kStatus_Success Succeed get the transfer count. * @retval kStatus_NoTransferInProgress There is not a non-blocking transaction currently in progress. */ status_t SPIFI_TransferGetReceiveCountDMA(SPIFI_Type *base, spifi_dma_handle_t *handle, size_t *count); /* @} */ #if defined(__cplusplus) } #endif /* @} */ #endif /* _FSL_SPIFI_DMA_H_ */