fsl_flexio_i2s_edma.h

/*
 * Copyright (c) 2015, Freescale Semiconductor, Inc.
 * Copyright 2016-2019 NXP
 * All rights reserved.
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
#ifndef _FSL_FLEXIO_I2S_EDMA_H_
#define _FSL_FLEXIO_I2S_EDMA_H_
 
#include "fsl_flexio_i2s.h"
#include "fsl_edma.h"

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

#define FSL_FLEXIO_I2S_EDMA_DRIVER_VERSION (MAKE_VERSION(2, 1, 7))
 
typedef struct _flexio_i2s_edma_handle flexio_i2s_edma_handle_t;

typedef void (*flexio_i2s_edma_callback_t)(FLEXIO_I2S_Type *base,
                                           flexio_i2s_edma_handle_t *handle,
                                           status_t status,
                                           void *userData);

struct _flexio_i2s_edma_handle
{
    edma_handle_t *dmaHandle;                        
    uint8_t bytesPerFrame;                           
    uint8_t nbytes;                                  
    uint32_t state;                                  
    flexio_i2s_edma_callback_t callback;             
    void *userData;                                  
    edma_tcd_t tcd[FLEXIO_I2S_XFER_QUEUE_SIZE + 1U]; 
    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_TransferTxCreateHandleEDMA(FLEXIO_I2S_Type *base,
                                           flexio_i2s_edma_handle_t *handle,
                                           flexio_i2s_edma_callback_t callback,
                                           void *userData,
                                           edma_handle_t *dmaHandle);

void FLEXIO_I2S_TransferRxCreateHandleEDMA(FLEXIO_I2S_Type *base,
                                           flexio_i2s_edma_handle_t *handle,
                                           flexio_i2s_edma_callback_t callback,
                                           void *userData,
                                           edma_handle_t *dmaHandle);

void FLEXIO_I2S_TransferSetFormatEDMA(FLEXIO_I2S_Type *base,
                                      flexio_i2s_edma_handle_t *handle,
                                      flexio_i2s_format_t *format,
                                      uint32_t srcClock_Hz);

status_t FLEXIO_I2S_TransferSendEDMA(FLEXIO_I2S_Type *base,
                                     flexio_i2s_edma_handle_t *handle,
                                     flexio_i2s_transfer_t *xfer);

status_t FLEXIO_I2S_TransferReceiveEDMA(FLEXIO_I2S_Type *base,
                                        flexio_i2s_edma_handle_t *handle,
                                        flexio_i2s_transfer_t *xfer);

void FLEXIO_I2S_TransferAbortSendEDMA(FLEXIO_I2S_Type *base, flexio_i2s_edma_handle_t *handle);

void FLEXIO_I2S_TransferAbortReceiveEDMA(FLEXIO_I2S_Type *base, flexio_i2s_edma_handle_t *handle);

status_t FLEXIO_I2S_TransferGetSendCountEDMA(FLEXIO_I2S_Type *base, flexio_i2s_edma_handle_t *handle, size_t *count);

status_t FLEXIO_I2S_TransferGetReceiveCountEDMA(FLEXIO_I2S_Type *base, flexio_i2s_edma_handle_t *handle, size_t *count);

 
#if defined(__cplusplus)
}
#endif

#endif