xref: /OK3568_Linux_fs/kernel/drivers/media/usb/pvrusb2/pvrusb2-util.h (revision 4882a59341e53eb6f0b4789bf948001014eff981)
1*4882a593Smuzhiyun /* SPDX-License-Identifier: GPL-2.0-only */
2*4882a593Smuzhiyun /*
3*4882a593Smuzhiyun  *
4*4882a593Smuzhiyun  *  Copyright (C) 2005 Mike Isely <isely@pobox.com>
5*4882a593Smuzhiyun  */
6*4882a593Smuzhiyun #ifndef __PVRUSB2_UTIL_H
7*4882a593Smuzhiyun #define __PVRUSB2_UTIL_H
8*4882a593Smuzhiyun 
9*4882a593Smuzhiyun #define PVR2_DECOMPOSE_LE(t,i,d) \
10*4882a593Smuzhiyun     do {    \
11*4882a593Smuzhiyun 	(t)[i] = (d) & 0xff;\
12*4882a593Smuzhiyun 	(t)[i+1] = ((d) >> 8) & 0xff;\
13*4882a593Smuzhiyun 	(t)[i+2] = ((d) >> 16) & 0xff;\
14*4882a593Smuzhiyun 	(t)[i+3] = ((d) >> 24) & 0xff;\
15*4882a593Smuzhiyun     } while(0)
16*4882a593Smuzhiyun 
17*4882a593Smuzhiyun #define PVR2_DECOMPOSE_BE(t,i,d) \
18*4882a593Smuzhiyun     do {    \
19*4882a593Smuzhiyun 	(t)[i+3] = (d) & 0xff;\
20*4882a593Smuzhiyun 	(t)[i+2] = ((d) >> 8) & 0xff;\
21*4882a593Smuzhiyun 	(t)[i+1] = ((d) >> 16) & 0xff;\
22*4882a593Smuzhiyun 	(t)[i] = ((d) >> 24) & 0xff;\
23*4882a593Smuzhiyun     } while(0)
24*4882a593Smuzhiyun 
25*4882a593Smuzhiyun #define PVR2_COMPOSE_LE(t,i) \
26*4882a593Smuzhiyun     ((((u32)((t)[i+3])) << 24) | \
27*4882a593Smuzhiyun      (((u32)((t)[i+2])) << 16) | \
28*4882a593Smuzhiyun      (((u32)((t)[i+1])) << 8) | \
29*4882a593Smuzhiyun      ((u32)((t)[i])))
30*4882a593Smuzhiyun 
31*4882a593Smuzhiyun #define PVR2_COMPOSE_BE(t,i) \
32*4882a593Smuzhiyun     ((((u32)((t)[i])) << 24) | \
33*4882a593Smuzhiyun      (((u32)((t)[i+1])) << 16) | \
34*4882a593Smuzhiyun      (((u32)((t)[i+2])) << 8) | \
35*4882a593Smuzhiyun      ((u32)((t)[i+3])))
36*4882a593Smuzhiyun 
37*4882a593Smuzhiyun 
38*4882a593Smuzhiyun #endif /* __PVRUSB2_UTIL_H */
39