| /* 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_ */ |