Add the rt linux 4.1.3-rt3 as base

[kvmfornfv.git] / kernel / drivers / media / pci / cx25821 / cx25821-biffuncs.h

diff --git a/kernel/drivers/media/pci/cx25821/cx25821-biffuncs.h b/kernel/drivers/media/pci/cx25821/cx25821-biffuncs.h
new file mode 100644 (file)
index 0000000..937f5a7
--- /dev/null
+++ b/kernel/drivers/media/pci/cx25821/cx25821-biffuncs.h
@@ -0,0 +1,45 @@
+/*
+ *  Driver for the Conexant CX25821 PCIe bridge
+ *
+ *  Copyright (C) 2009 Conexant Systems Inc.
+ *  Authors  <shu.lin@conexant.com>, <hiep.huynh@conexant.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, or
+ *  (at your option) any later version.
+ *
+ *  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., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _BITFUNCS_H
+#define _BITFUNCS_H
+
+#define SetBit(Bit)  (1 << Bit)
+
+static inline u8 getBit(u32 sample, u8 index)
+{
+       return (u8) ((sample >> index) & 1);
+}
+
+static inline u32 clearBitAtPos(u32 value, u8 bit)
+{
+       return value & ~(1 << bit);
+}
+
+static inline u32 setBitAtPos(u32 sample, u8 bit)
+{
+       sample |= (1 << bit);
+       return sample;
+
+}
+
+#endif