diff options
Diffstat (limited to 'drivers/media/usb/pvrusb2/pvrusb2-util.h')
| -rw-r--r-- | drivers/media/usb/pvrusb2/pvrusb2-util.h | 62 | 
1 files changed, 62 insertions, 0 deletions
diff --git a/drivers/media/usb/pvrusb2/pvrusb2-util.h b/drivers/media/usb/pvrusb2/pvrusb2-util.h new file mode 100644 index 00000000000..92b75544ee2 --- /dev/null +++ b/drivers/media/usb/pvrusb2/pvrusb2-util.h @@ -0,0 +1,62 @@ +/* + * + * + *  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: *** +  */  | 
