[media] v4l: vsp1: Add LUT support

The Look-Up Table looks up values in 8-bit indexed tables separately for
each color component.

Signed-off-by: Laurent Pinchart <laurent.pinchart+renesas@ideasonboard.com>
Signed-off-by: Mauro Carvalho Chehab <m.chehab@samsung.com>

2 files changed, 36 insertions, 1 deletions

diff --git a/include/linux/platform_data/vsp1.h b/include/linux/platform_data/vsp1.h
index 27c0ede1a53f..63170e2614b3 100644
--- a/include/linux/platform_data/vsp1.h
+++ b/include/linux/platform_data/vsp1.h
@@ -14,7 +14,8 @@
 #define __PLATFORM_VSP1_H__
 
 #define VSP1_HAS_LIF            (1 << 0)
-#define VSP1_HAS_SRU            (1 << 1)
+#define VSP1_HAS_LUT            (1 << 1)
+#define VSP1_HAS_SRU            (1 << 2)
 
 struct vsp1_platform_data {
         unsigned int features;
diff --git a/include/uapi/linux/vsp1.h b/include/uapi/linux/vsp1.h
new file mode 100644
index 000000000000..e18858f6e865
--- /dev/null
+++ b/include/uapi/linux/vsp1.h
@@ -0,0 +1,34 @@
+/*
+ * vsp1.h
+ *
+ * Renesas R-Car VSP1 - User-space API
+ *
+ * Copyright (C) 2013 Renesas Corporation
+ *
+ * Contacts: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ */
+
+#ifndef __VSP1_USER_H__
+#define __VSP1_USER_H__
+
+#include <linux/types.h>
+#include <linux/videodev2.h>
+
+/*
+ * Private IOCTLs
+ *
+ * VIDIOC_VSP1_LUT_CONFIG - Configure the lookup table
+ */
+
+#define VIDIOC_VSP1_LUT_CONFIG \
+        _IOWR('V', BASE_VIDIOC_PRIVATE + 1, struct vsp1_lut_config)
+
+struct vsp1_lut_config {
+        u32 lut[256];
+};
+
+#endif  /* __VSP1_USER_H__ */