2 * Copyright (c) 2000 Doug Rabson
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
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
29 #ifndef _SYS_SPIGENIO_H_
30 #define _SYS_SPIGENIO_H_
32 #include <sys/_iovec.h>
34 struct spigen_transfer {
35 struct iovec st_command; /* master to slave */
36 struct iovec st_data; /* slave to master and/or master to slave */
39 struct 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 */
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)
52 #endif /* !_SYS_SPIGENIO_H_ */