1/*-
2 * Copyright (c) 2000 Doug Rabson
3 * All rights reserved.
4 *
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 *    notice, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 *    notice, this list of conditions and the following disclaimer in the
12 *    documentation and/or other materials provided with the distribution.
13 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
24 * SUCH DAMAGE.
25 *
26 *	$FreeBSD: stable/11/sys/sys/spigenio.h 332942 2018-04-24 17:00:08Z ian $
27 */
28
29#ifndef _SYS_SPIGENIO_H_
30#define _SYS_SPIGENIO_H_
31
32#include <sys/_iovec.h>
33
34struct spigen_transfer {
35	struct iovec st_command; /* master to slave */
36	struct iovec st_data;    /* slave to master and/or master to slave */
37};
38
39struct spigen_transfer_mmapped {
40	size_t stm_command_length; /* at offset 0 in mmap(2) area */
41	size_t stm_data_length;    /* at offset stm_command_length */
42};
43
44#define SPIGENIOC_BASE     'S'
45#define SPIGENIOC_TRANSFER 	   _IOW(SPIGENIOC_BASE, 0, \
46	    struct spigen_transfer)
47#define SPIGENIOC_TRANSFER_MMAPPED _IOW(SPIGENIOC_BASE, 1, \
48	    struct spigen_transfer_mmapped)
49#define SPIGENIOC_GET_CLOCK_SPEED  _IOR(SPIGENIOC_BASE, 2, uint32_t)
50#define SPIGENIOC_SET_CLOCK_SPEED  _IOW(SPIGENIOC_BASE, 3, uint32_t)
51#define SPIGENIOC_GET_SPI_MODE     _IOR(SPIGENIOC_BASE, 4, uint32_t)
52#define SPIGENIOC_SET_SPI_MODE     _IOW(SPIGENIOC_BASE, 5, uint32_t)
53
54#endif /* !_SYS_SPIGENIO_H_ */
55