Patrick Georgi | ac95903 | 2020-05-05 22:49:26 +0200 | [diff] [blame] | 1 | /* SPDX-License-Identifier: GPL-2.0-only */ |
Julius Werner | 4783db2 | 2018-03-27 16:28:52 -0700 | [diff] [blame] | 2 | #ifndef _SPI_BITBANG_H_ |
| 3 | #define _SPI_BITBANG_H_ |
| 4 | |
| 5 | #include <types.h> |
| 6 | |
| 7 | struct spi_bitbang_ops { |
| 8 | int (*get_miso)(const struct spi_bitbang_ops *ops); |
| 9 | void (*set_mosi)(const struct spi_bitbang_ops *ops, int value); |
| 10 | void (*set_clk)(const struct spi_bitbang_ops *ops, int value); |
| 11 | void (*set_cs)(const struct spi_bitbang_ops *ops, int value); |
| 12 | }; |
| 13 | |
| 14 | int spi_bitbang_claim_bus(const struct spi_bitbang_ops *ops); |
| 15 | void spi_bitbang_release_bus(const struct spi_bitbang_ops *ops); |
| 16 | int spi_bitbang_xfer(const struct spi_bitbang_ops *ops, const void *dout, |
| 17 | size_t bytes_out, void *din, size_t bytes_in); |
| 18 | |
| 19 | #endif /* _SPI_BITBANG_H_ */ |