src/include/spi_bitbang.h

/* This file is part of the coreboot project. */
/* SPDX-License-Identifier: GPL-2.0-only */
#ifndef _SPI_BITBANG_H_
#define _SPI_BITBANG_H_

#include <types.h>

struct spi_bitbang_ops {
	int (*get_miso)(const struct spi_bitbang_ops *ops);
	void (*set_mosi)(const struct spi_bitbang_ops *ops, int value);
	void (*set_clk)(const struct spi_bitbang_ops *ops, int value);
	void (*set_cs)(const struct spi_bitbang_ops *ops, int value);
};

int spi_bitbang_claim_bus(const struct spi_bitbang_ops *ops);
void spi_bitbang_release_bus(const struct spi_bitbang_ops *ops);
int spi_bitbang_xfer(const struct spi_bitbang_ops *ops, const void *dout,
		     size_t bytes_out, void *din, size_t bytes_in);

#endif /* _SPI_BITBANG_H_ */