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/* SPDX-License-Identifier: BSD-2-Clause */
/*
* Copyright (c) 2016, Linaro Limited
*/
#ifndef __SPI_H__
#define __SPI_H__
#include <types_ext.h>
enum spi_mode {
SPI_MODE0,
SPI_MODE1,
SPI_MODE2,
SPI_MODE3
};
enum spi_result {
SPI_OK,
SPI_ERR_CFG,
SPI_ERR_PKTCNT,
SPI_ERR_GENERIC
};
struct spi_chip {
const struct spi_ops *ops;
};
struct spi_ops {
void (*configure)(struct spi_chip *chip);
void (*start)(struct spi_chip *chip);
enum spi_result (*txrx8)(struct spi_chip *chip, uint8_t *wdat,
uint8_t *rdat, size_t num_pkts);
enum spi_result (*txrx16)(struct spi_chip *chip, uint16_t *wdat,
uint16_t *rdat, size_t num_pkts);
void (*end)(struct spi_chip *chip);
void (*flushfifo)(struct spi_chip *chip);
};
#endif /* __SPI_H__ */
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