fsl_flexio_i2s_dma.h

/*
 * Copyright (c) 2015, Freescale Semiconductor, Inc.
 * Copyright 2016-2019 NXP
 * All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
#ifndef _FSL_FLEXIO_I2S_DMA_H_
#define _FSL_FLEXIO_I2S_DMA_H_
 
#include "fsl_flexio_i2s.h"
#include "fsl_dma.h"

 
/*******************************************************************************
 * Definitions
 ******************************************************************************/

#define FSL_FLEXIO_I2S_DMA_DRIVER_VERSION (MAKE_VERSION(2, 1, 7))
 
typedef struct _flexio_i2s_dma_handle flexio_i2s_dma_handle_t;

typedef void (*flexio_i2s_dma_callback_t)(FLEXIO_I2S_Type *base,
                                          flexio_i2s_dma_handle_t *handle,
                                          status_t status,
                                          void *userData);

struct _flexio_i2s_dma_handle
{
    dma_handle_t *dmaHandle;            
    uint8_t bytesPerFrame;              
    uint32_t state;                     
    flexio_i2s_dma_callback_t callback; 
    void *userData;                     
    flexio_i2s_transfer_t queue[FLEXIO_I2S_XFER_QUEUE_SIZE]; 
    size_t transferSize[FLEXIO_I2S_XFER_QUEUE_SIZE];         
    volatile uint8_t queueUser;                              
    volatile uint8_t queueDriver;                            
};
 
/*******************************************************************************
 * APIs
 ******************************************************************************/
#if defined(__cplusplus)
extern "C" {
#endif


void FLEXIO_I2S_TransferTxCreateHandleDMA(FLEXIO_I2S_Type *base,
                                          flexio_i2s_dma_handle_t *handle,
                                          flexio_i2s_dma_callback_t callback,
                                          void *userData,
                                          dma_handle_t *dmaHandle);

void FLEXIO_I2S_TransferRxCreateHandleDMA(FLEXIO_I2S_Type *base,
                                          flexio_i2s_dma_handle_t *handle,
                                          flexio_i2s_dma_callback_t callback,
                                          void *userData,
                                          dma_handle_t *dmaHandle);

void FLEXIO_I2S_TransferSetFormatDMA(FLEXIO_I2S_Type *base,
                                     flexio_i2s_dma_handle_t *handle,
                                     flexio_i2s_format_t *format,
                                     uint32_t srcClock_Hz);

status_t FLEXIO_I2S_TransferSendDMA(FLEXIO_I2S_Type *base,
                                    flexio_i2s_dma_handle_t *handle,
                                    flexio_i2s_transfer_t *xfer);

status_t FLEXIO_I2S_TransferReceiveDMA(FLEXIO_I2S_Type *base,
                                       flexio_i2s_dma_handle_t *handle,
                                       flexio_i2s_transfer_t *xfer);

void FLEXIO_I2S_TransferAbortSendDMA(FLEXIO_I2S_Type *base, flexio_i2s_dma_handle_t *handle);

void FLEXIO_I2S_TransferAbortReceiveDMA(FLEXIO_I2S_Type *base, flexio_i2s_dma_handle_t *handle);

status_t FLEXIO_I2S_TransferGetSendCountDMA(FLEXIO_I2S_Type *base, flexio_i2s_dma_handle_t *handle, size_t *count);

status_t FLEXIO_I2S_TransferGetReceiveCountDMA(FLEXIO_I2S_Type *base, flexio_i2s_dma_handle_t *handle, size_t *count);

 
#if defined(__cplusplus)
}
#endif

#endif