2 * Copyright (c) 2014, 2015 Marcel Moolenaar
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
9 * 1. Redistributions of source code must retain the above copyright
10 * notice, this list of conditions and the following disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
29 #ifndef _DEV_PROTO_DEV_H_
30 #define _DEV_PROTO_DEV_H_
32 #include <sys/ioccom.h>
34 #define PROTO_IOC_CLASS 'h'
36 struct proto_ioc_region {
37 unsigned long address;
41 #define PROTO_IOC_REGION _IOWR(PROTO_IOC_CLASS, 1, struct proto_ioc_region)
43 struct proto_ioc_busdma {
45 #define PROTO_IOC_BUSDMA_TAG_CREATE 1
46 #define PROTO_IOC_BUSDMA_TAG_DERIVE 2
47 #define PROTO_IOC_BUSDMA_TAG_DESTROY 3
48 #define PROTO_IOC_BUSDMA_MEM_ALLOC 10
49 #define PROTO_IOC_BUSDMA_MEM_FREE 11
50 #define PROTO_IOC_BUSDMA_MD_CREATE 20
51 #define PROTO_IOC_BUSDMA_MD_DESTROY 21
52 #define PROTO_IOC_BUSDMA_MD_LOAD 22
53 #define PROTO_IOC_BUSDMA_MD_UNLOAD 29
54 #define PROTO_IOC_BUSDMA_SYNC 30
60 unsigned long maxaddr;
62 unsigned long maxsegsz;
64 unsigned int datarate;
70 unsigned long virt_addr;
71 unsigned long virt_size;
72 unsigned int phys_nsegs;
73 unsigned long phys_addr;
74 unsigned long bus_addr;
75 unsigned int bus_nsegs;
86 #define PROTO_IOC_BUSDMA _IOWR(PROTO_IOC_CLASS, 2, struct proto_ioc_busdma)
88 #endif /* _DEV_PROTO_H_ */