1 /*        $NetBSD: spi_io.h,v 1.1 2019/02/23 10:43:25 mlelstv Exp $   */
2 
3 /*
4  * Copyright (c) 2019 Michael van Elst
5  * All rights reserved.
6  *
7  * Redistribution and use in source and binary forms, with or without
8  * modification, are permitted provided that the following conditions
9  * are met:
10  * 1. Redistributions of source code must retain the above copyright
11  *    notice, this list of conditions and the following disclaimer.
12  * 2. Redistributions in binary form must reproduce the above copyright
13  *    notice, this list of conditions and the following disclaimer in the
14  *    documentation and/or other materials provided with the distribution.
15  *
16  * THIS SOFTWARE IS PROVIDED BY WASABI SYSTEMS, INC. ``AS IS'' AND
17  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
18  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
19  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL WASABI SYSTEMS, INC
20  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
21  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
22  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
23  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
24  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
25  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
26  * POSSIBILITY OF SUCH DAMAGE.
27  */
28 
29 #ifndef _DEV_SPI_SPI_IO_H_
30 #define   _DEV_SPI_SPI_IO_H_
31 
32 #include <sys/types.h>
33 #include <sys/ioccom.h>
34 #include <sys/uio.h>
35 
36 typedef struct spi_ioctl_configure {
37           int sic_addr;
38           int sic_mode;
39           int sic_speed;
40 } spi_ioctl_configure_t;
41 
42 typedef struct spi_ioctl_transfer {
43           int sit_addr;
44           const void *sit_send;
45           size_t sit_sendlen;
46           void *sit_recv;
47           size_t sit_recvlen;
48 } spi_ioctl_transfer_t;
49 
50 #define   SPI_IOCTL_CONFIGURE           _IOW('S', 0, spi_ioctl_configure_t)
51 #define   SPI_IOCTL_TRANSFER            _IOW('S', 1, spi_ioctl_transfer_t)
52 
53 #endif /* _DEV_SPI_SPI_IO_H_ */
54