src/include/spi_bitbang.h

   1 /* SPDX-License-Identifier: GPL-2.0-only */
   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_ */