spi_bitbang.h

Go to the documentation of this file.

/* 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_ */