pvrusb2-util.h

 1/* SPDX-License-Identifier: GPL-2.0-only */
 2/*
 3 *
 4 *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
 5 */
 6#ifndef __PVRUSB2_UTIL_H
 7#define __PVRUSB2_UTIL_H
 8
 9#define PVR2_DECOMPOSE_LE(t,i,d) \
10    do {    \
11	(t)[i] = (d) & 0xff;\
12	(t)[i+1] = ((d) >> 8) & 0xff;\
13	(t)[i+2] = ((d) >> 16) & 0xff;\
14	(t)[i+3] = ((d) >> 24) & 0xff;\
15    } while(0)
16
17#define PVR2_DECOMPOSE_BE(t,i,d) \
18    do {    \
19	(t)[i+3] = (d) & 0xff;\
20	(t)[i+2] = ((d) >> 8) & 0xff;\
21	(t)[i+1] = ((d) >> 16) & 0xff;\
22	(t)[i] = ((d) >> 24) & 0xff;\
23    } while(0)
24
25#define PVR2_COMPOSE_LE(t,i) \
26    ((((u32)((t)[i+3])) << 24) | \
27     (((u32)((t)[i+2])) << 16) | \
28     (((u32)((t)[i+1])) << 8) | \
29     ((u32)((t)[i])))
30
31#define PVR2_COMPOSE_BE(t,i) \
32    ((((u32)((t)[i])) << 24) | \
33     (((u32)((t)[i+1])) << 16) | \
34     (((u32)((t)[i+2])) << 8) | \
35     ((u32)((t)[i+3])))
36
37
38#endif /* __PVRUSB2_UTIL_H */