1 /*
2  *
3  *
4  *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License
9  *
10  *  This program is distributed in the hope that it will be useful,
11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  *  GNU General Public License for more details.
14  *
15  *  You should have received a copy of the GNU General Public License
16  *  along with this program; if not, write to the Free Software
17  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
18  *
19  */
20 #ifndef __PVRUSB2_UTIL_H
21 #define __PVRUSB2_UTIL_H
22 
23 #define PVR2_DECOMPOSE_LE(t,i,d) \
24     do {    \
25 	(t)[i] = (d) & 0xff;\
26 	(t)[i+1] = ((d) >> 8) & 0xff;\
27 	(t)[i+2] = ((d) >> 16) & 0xff;\
28 	(t)[i+3] = ((d) >> 24) & 0xff;\
29     } while(0)
30 
31 #define PVR2_DECOMPOSE_BE(t,i,d) \
32     do {    \
33 	(t)[i+3] = (d) & 0xff;\
34 	(t)[i+2] = ((d) >> 8) & 0xff;\
35 	(t)[i+1] = ((d) >> 16) & 0xff;\
36 	(t)[i] = ((d) >> 24) & 0xff;\
37     } while(0)
38 
39 #define PVR2_COMPOSE_LE(t,i) \
40     ((((u32)((t)[i+3])) << 24) | \
41      (((u32)((t)[i+2])) << 16) | \
42      (((u32)((t)[i+1])) << 8) | \
43      ((u32)((t)[i])))
44 
45 #define PVR2_COMPOSE_BE(t,i) \
46     ((((u32)((t)[i])) << 24) | \
47      (((u32)((t)[i+1])) << 16) | \
48      (((u32)((t)[i+2])) << 8) | \
49      ((u32)((t)[i+3])))
50 
51 
52 #endif /* __PVRUSB2_UTIL_H */
53