fsl_sai_sdma.h

/*
 * Copyright 2017 - 2021 NXP
 * All rights reserved.
 *
 *
 * SPDX-License-Identifier: BSD-3-Clause
 */
#ifndef _FSL_SAI_SDMA_H_
#define _FSL_SAI_SDMA_H_
 
#include "fsl_sai.h"
#include "fsl_sdma.h"

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

#define FSL_SAI_SDMA_DRIVER_VERSION (MAKE_VERSION(2, 5, 3)) 
 
typedef struct _sai_sdma_handle sai_sdma_handle_t;

typedef void (*sai_sdma_callback_t)(I2S_Type *base, sai_sdma_handle_t *handle, status_t status, void *userData);

struct _sai_sdma_handle
{
    sdma_handle_t *dmaHandle;     
    uint8_t bytesPerFrame;        
    uint8_t channel;              
    uint8_t channelNums;          
    uint8_t channelMask;          
    uint8_t fifoOffset;           
    uint32_t count;               
    uint32_t state;               
    uint32_t eventSource;         
    sai_sdma_callback_t callback; 
    void *userData;               
    sdma_buffer_descriptor_t bdPool[SAI_XFER_QUEUE_SIZE]; 
    sai_transfer_t saiQueue[SAI_XFER_QUEUE_SIZE];         
    size_t transferSize[SAI_XFER_QUEUE_SIZE];             
    volatile uint8_t queueUser;                           
    volatile uint8_t queueDriver;                         
};
 
/*******************************************************************************
 * APIs
 ******************************************************************************/
#if defined(__cplusplus)
extern "C" {
#endif

void SAI_TransferTxCreateHandleSDMA(I2S_Type *base,
                                    sai_sdma_handle_t *handle,
                                    sai_sdma_callback_t callback,
                                    void *userData,
                                    sdma_handle_t *dmaHandle,
                                    uint32_t eventSource);

void SAI_TransferRxCreateHandleSDMA(I2S_Type *base,
                                    sai_sdma_handle_t *handle,
                                    sai_sdma_callback_t callback,
                                    void *userData,
                                    sdma_handle_t *dmaHandle,
                                    uint32_t eventSource);

void SAI_TransferTxSetFormatSDMA(I2S_Type *base,
                                 sai_sdma_handle_t *handle,
                                 sai_transfer_format_t *format,
                                 uint32_t mclkSourceClockHz,
                                 uint32_t bclkSourceClockHz);

void SAI_TransferRxSetFormatSDMA(I2S_Type *base,
                                 sai_sdma_handle_t *handle,
                                 sai_transfer_format_t *format,
                                 uint32_t mclkSourceClockHz,
                                 uint32_t bclkSourceClockHz);

status_t SAI_TransferSendSDMA(I2S_Type *base, sai_sdma_handle_t *handle, sai_transfer_t *xfer);

status_t SAI_TransferReceiveSDMA(I2S_Type *base, sai_sdma_handle_t *handle, sai_transfer_t *xfer);

void SAI_TransferAbortSendSDMA(I2S_Type *base, sai_sdma_handle_t *handle);

void SAI_TransferAbortReceiveSDMA(I2S_Type *base, sai_sdma_handle_t *handle);

void SAI_TransferTerminateReceiveSDMA(I2S_Type *base, sai_sdma_handle_t *handle);

void SAI_TransferTerminateSendSDMA(I2S_Type *base, sai_sdma_handle_t *handle);

void SAI_TransferRxSetConfigSDMA(I2S_Type *base, sai_sdma_handle_t *handle, sai_transceiver_t *saiConfig);

void SAI_TransferTxSetConfigSDMA(I2S_Type *base, sai_sdma_handle_t *handle, sai_transceiver_t *saiConfig);
 
#if defined(__cplusplus)
}
#endif

#endif