V4L/DVB (6006): tuner: move last_div to tuner-simple private data
[wrt350n-kernel.git] / drivers / media / video / pvrusb2 / pvrusb2-util.h
blobe53aee416f5659eab3f53ed8b13e92b63a62e80c
1 /*
3 * $Id$
5 * Copyright (C) 2005 Mike Isely <isely@pobox.com>
7 * This program is free software; you can redistribute it and/or modify
8 * it under the terms of the GNU General Public License as published by
9 * the Free Software Foundation; either version 2 of the License
11 * This program is distributed in the hope that it will be useful,
12 * but WITHOUT ANY WARRANTY; without even the implied warranty of
13 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
14 * GNU General Public License for more details.
16 * You should have received a copy of the GNU General Public License
17 * along with this program; if not, write to the Free Software
18 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
21 #ifndef __PVRUSB2_UTIL_H
22 #define __PVRUSB2_UTIL_H
24 #define PVR2_DECOMPOSE_LE(t,i,d) \
25 do { \
26 (t)[i] = (d) & 0xff;\
27 (t)[i+1] = ((d) >> 8) & 0xff;\
28 (t)[i+2] = ((d) >> 16) & 0xff;\
29 (t)[i+3] = ((d) >> 24) & 0xff;\
30 } while(0)
32 #define PVR2_DECOMPOSE_BE(t,i,d) \
33 do { \
34 (t)[i+3] = (d) & 0xff;\
35 (t)[i+2] = ((d) >> 8) & 0xff;\
36 (t)[i+1] = ((d) >> 16) & 0xff;\
37 (t)[i] = ((d) >> 24) & 0xff;\
38 } while(0)
40 #define PVR2_COMPOSE_LE(t,i) \
41 ((((u32)((t)[i+3])) << 24) | \
42 (((u32)((t)[i+2])) << 16) | \
43 (((u32)((t)[i+1])) << 8) | \
44 ((u32)((t)[i])))
46 #define PVR2_COMPOSE_BE(t,i) \
47 ((((u32)((t)[i])) << 24) | \
48 (((u32)((t)[i+1])) << 16) | \
49 (((u32)((t)[i+2])) << 8) | \
50 ((u32)((t)[i+3])))
53 #endif /* __PVRUSB2_UTIL_H */
56 Stuff for Emacs to see, in order to encourage consistent editing style:
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