diff options
Diffstat (limited to 'drivers/media/usb/pvrusb2/pvrusb2-util.h')
-rw-r--r-- | drivers/media/usb/pvrusb2/pvrusb2-util.h | 38 |
1 files changed, 38 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 000000000..7059772a4 --- /dev/null +++ b/drivers/media/usb/pvrusb2/pvrusb2-util.h @@ -0,0 +1,38 @@ +/* SPDX-License-Identifier: GPL-2.0-only */ +/* + * + * Copyright (C) 2005 Mike Isely <isely@pobox.com> + */ +#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 */ |