[PATCH 01/12] videodev2.h, v4l2-ioctl: add IPU3 meta buffer format

[Yong Zhi <yong.zhi@intel.com>]

Add the IPU3 specific processing parameter format
V4L2_META_FMT_IPU3_PARAMS and metadata formats
for 3A and other statistics:

  V4L2_META_FMT_IPU3_PARAMS
  V4L2_META_FMT_IPU3_STAT_3A
  V4L2_META_FMT_IPU3_STAT_DVS
  V4L2_META_FMT_IPU3_STAT_LACE

Signed-off-by: Yong Zhi <yong.zhi@intel.com>
---
 drivers/media/v4l2-core/v4l2-ioctl.c | 4 ++++
 include/uapi/linux/videodev2.h       | 6 ++++++
 2 files changed, 10 insertions(+)

diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index fb1387f..919aa24 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1239,6 +1239,10 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
 	case V4L2_TCH_FMT_TU08:		descr = "8-bit unsigned touch data"; break;
 	case V4L2_META_FMT_VSP1_HGO:	descr = "R-Car VSP1 1-D Histogram"; break;
 	case V4L2_META_FMT_VSP1_HGT:	descr = "R-Car VSP1 2-D Histogram"; break;
+	case V4L2_META_FMT_IPU3_PARAMS:	descr = "IPU3 processing parameters"; break;
+	case V4L2_META_FMT_IPU3_STAT_3A:	descr = "IPU3 3A statistics"; break;
+	case V4L2_META_FMT_IPU3_STAT_DVS:	descr = "IPU3 DVS statistics"; break;
+	case V4L2_META_FMT_IPU3_STAT_LACE:	descr = "IPU3 LACE statistics"; break;
 
 	default:
 		/* Compressed formats */
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 7bfa6ad..fab8822 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -685,6 +685,12 @@ struct v4l2_pix_format {
 #define V4L2_META_FMT_VSP1_HGO    v4l2_fourcc('V', 'S', 'P', 'H') /* R-Car VSP1 1-D Histogram */
 #define V4L2_META_FMT_VSP1_HGT    v4l2_fourcc('V', 'S', 'P', 'T') /* R-Car VSP1 2-D Histogram */
 
+/* Vendor specific - used for IPU3 camera sub-system */
+#define V4L2_META_FMT_IPU3_PARAMS	v4l2_fourcc('i', 'p', '3', 'p') /* IPU3 params */
+#define V4L2_META_FMT_IPU3_STAT_3A	v4l2_fourcc('i', 'p', '3', 's') /* IPU3 3A statistics */
+#define V4L2_META_FMT_IPU3_STAT_DVS	v4l2_fourcc('i', 'p', '3', 'd') /* IPU3 DVS statistics */
+#define V4L2_META_FMT_IPU3_STAT_LACE	v4l2_fourcc('i', 'p', '3', 'l') /* IPU3 LACE statistics */
+
 /* priv field value to indicates that subsequent fields are valid. */
 #define V4L2_PIX_FMT_PRIV_MAGIC		0xfeedcafe
 
-- 
2.7.4