drivers/staging/greybus/spilib.h

   1 // SPDX-License-Identifier: GPL-2.0
   2 /*
   3  * Greybus SPI library header
   4  *
   5  * copyright 2016 google inc.
   6  * copyright 2016 linaro ltd.
   7  *
   8  * released under the gplv2 only.
   9  */
  10
  11 #ifndef __SPILIB_H
  12 #define __SPILIB_H
  13
  14 struct device;
  15 struct gb_connection;
  16
  17 struct spilib_ops {
  18         int (*prepare_transfer_hardware)(struct device *dev);
  19         void (*unprepare_transfer_hardware)(struct device *dev);
  20 };
  21
  22 int gb_spilib_master_init(struct gb_connection *connection,
  23                           struct device *dev, struct spilib_ops *ops);
  24 void gb_spilib_master_exit(struct gb_connection *connection);
  25
  26 #endif /* __SPILIB_H */