linux/drivers/nfc/st95hf/spi.c

// SPDX-License-Identifier: GPL-2.0-only
/*
 * ----------------------------------------------------------------------------
 * drivers/nfc/st95hf/spi.c function definitions for SPI communication
 * ----------------------------------------------------------------------------
 * Copyright (C) 2015 STMicroelectronics Pvt. Ltd. All rights reserved.
 */

#include "spi.h"

/* Function to send user provided buffer to ST95HF through SPI */
int st95hf_spi_send(struct st95hf_spi_context *spicontext,
		    unsigned char *buffertx,
		    int datalen,
		    enum req_type reqtype)
{ … }
EXPORT_SYMBOL_GPL(…);

/* Function to Receive command Response */
int st95hf_spi_recv_response(struct st95hf_spi_context *spicontext,
			     unsigned char *receivebuff)
{ … }
EXPORT_SYMBOL_GPL(…);

int st95hf_spi_recv_echo_res(struct st95hf_spi_context *spicontext,
			     unsigned char *receivebuff)
{ … }
EXPORT_SYMBOL_GPL(…);