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 */
27