linux/drivers/media/usb/pvrusb2/pvrusb2-util.h

63 lines
1.7 KiB
C

/*
*
*
* Copyright (C) 2005 Mike Isely <isely@pobox.com>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
*
*/
#ifndef __PVRUSB2_UTIL_H
#define __PVRUSB2_UTIL_H
#define PVR2_DECOMPOSE_LE(t,i,d) \
do { \
(t)[i] = (d) & 0xff;\
(t)[i+1] = ((d) >> 8) & 0xff;\
(t)[i+2] = ((d) >> 16) & 0xff;\
(t)[i+3] = ((d) >> 24) & 0xff;\
} while(0)
#define PVR2_DECOMPOSE_BE(t,i,d) \
do { \
(t)[i+3] = (d) & 0xff;\
(t)[i+2] = ((d) >> 8) & 0xff;\
(t)[i+1] = ((d) >> 16) & 0xff;\
(t)[i] = ((d) >> 24) & 0xff;\
} while(0)
#define PVR2_COMPOSE_LE(t,i) \
((((u32)((t)[i+3])) << 24) | \
(((u32)((t)[i+2])) << 16) | \
(((u32)((t)[i+1])) << 8) | \
((u32)((t)[i])))
#define PVR2_COMPOSE_BE(t,i) \
((((u32)((t)[i])) << 24) | \
(((u32)((t)[i+1])) << 16) | \
(((u32)((t)[i+2])) << 8) | \
((u32)((t)[i+3])))
#endif /* __PVRUSB2_UTIL_H */
/*
Stuff for Emacs to see, in order to encourage consistent editing style:
*** Local Variables: ***
*** mode: c ***
*** fill-column: 75 ***
*** tab-width: 8 ***
*** c-basic-offset: 8 ***
*** End: ***
*/