[PATCH] uvcvideo: Add bayer 16-bit format patterns

Edgar Thier
2016-11-14T13:26:59Z

>From aec97c931cb4b91f91dd0ed38f74d866d4f13347 Mon Sep 17 00:00:00 2001
From: Edgar Thier <info@edgarthier.net>
Date: Mon, 14 Nov 2016 14:17:57 +0100
Subject: [PATCH] uvcvideo: Add bayer 16-bit format patterns

Add bayer 16-bit GUIDs to uvcvideo and associated them with the
corresponding V4L2 pixel formats.

Signed-off-by: Edgar Thier <info@edgarthier.net>
---
drivers/media/usb/uvc/uvc_driver.c | 20 ++++++++++++++++++++
drivers/media/usb/uvc/uvcvideo.h | 12 ++++++++++++
drivers/media/v4l2-core/v4l2-ioctl.c | 4 ++++
include/uapi/linux/videodev2.h | 3 +++
4 files changed, 39 insertions(+)

diff --git a/drivers/media/usb/uvc/uvc_driver.c b/drivers/media/usb/uvc/uvc_driver.c
index 87b2fc3b..9d1fc33 100644
--- a/drivers/media/usb/uvc/uvc_driver.c
+++ b/drivers/media/usb/uvc/uvc_driver.c
@@ -168,6 +168,26 @@ static struct uvc_format_desc uvc_fmts[] = {
.guid = UVC_GUID_FORMAT_RW10,
.fcc = V4L2_PIX_FMT_SRGGB10P,
},
+ {
+ .name = "Bayer 16-bit (SBGGR16)",
+ .guid = UVC_GUID_FORMAT_BG16,
+ .fcc = V4L2_PIX_FMT_SBGGR16,
+ },
+ {
+ .name = "Bayer 16-bit (SGBRG16)",
+ .guid = UVC_GUID_FORMAT_GB16,
+ .fcc = V4L2_PIX_FMT_SGBRG16,
+ },
+ {
+ .name = "Bayer 16-bit (SRGGB16)",
+ .guid = UVC_GUID_FORMAT_RG16,
+ .fcc = V4L2_PIX_FMT_SRGGB16,
+ },
+ {
+ .name = "Bayer 16-bit (SGRBG16)",
+ .guid = UVC_GUID_FORMAT_GR16,
+ .fcc = V4L2_PIX_FMT_SGRBG16,
+ },
};

/* ------------------------------------------------------------------------
diff --git a/drivers/media/usb/uvc/uvcvideo.h b/drivers/media/usb/uvc/uvcvideo.h
index 7e4d3ee..3d6cc62 100644
--- a/drivers/media/usb/uvc/uvcvideo.h
+++ b/drivers/media/usb/uvc/uvcvideo.h
@@ -106,6 +106,18 @@
#define UVC_GUID_FORMAT_RGGB \
{ 'R', 'G', 'G', 'B', 0x00, 0x00, 0x10, 0x00, \
0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_BG16 \
+ { 'B', 'G', '1', '6', 0x00, 0x00, 0x10, 0x00, \
+ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_GB16 \
+ { 'G', 'B', '1', '6', 0x00, 0x00, 0x10, 0x00, \
+ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_RG16 \
+ { 'R', 'G', '1', '6', 0x00, 0x00, 0x10, 0x00, \
+ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
+#define UVC_GUID_FORMAT_GR16 \
+ { 'G', 'R', '1', '6', 0x00, 0x00, 0x10, 0x00, \
+ 0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
#define UVC_GUID_FORMAT_RGBP \
{ 'R', 'G', 'B', 'P', 0x00, 0x00, 0x10, 0x00, \
0x80, 0x00, 0x00, 0xaa, 0x00, 0x38, 0x9b, 0x71}
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 181381d..abbb6d5 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1179,6 +1179,10 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_SGBRG12: descr = "12-bit Bayer GBGB/RGRG"; break;
case V4L2_PIX_FMT_SGRBG12: descr = "12-bit Bayer GRGR/BGBG"; break;
case V4L2_PIX_FMT_SRGGB12: descr = "12-bit Bayer RGRG/GBGB"; break;
+ case V4L2_PIX_FMT_SGBRG16: descr = "16-bit Bayer GBGB/RGRG"; break;
+ case V4L2_PIX_FMT_SGRBG16: descr = "16-bit Bayer GRGR/BGBG"; break;
+ case V4L2_PIX_FMT_SRGGB16: descr = "16-bit Bayer RGRG/GBGB"; break;
+ case V4L2_PIX_FMT_SBGGR16: descr = "16-bit Bayer BGBG/GRGR"; break;
case V4L2_PIX_FMT_SBGGR10P: descr = "10-bit Bayer BGBG/GRGR Packed"; break;
case V4L2_PIX_FMT_SGBRG10P: descr = "10-bit Bayer GBGB/RGRG Packed"; break;
case V4L2_PIX_FMT_SGRBG10P: descr = "10-bit Bayer GRGR/BGBG Packed"; break;
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 4364ce6..6bdf592 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -605,6 +605,9 @@ struct v4l2_pix_format {
#define V4L2_PIX_FMT_SGRBG12 v4l2_fourcc('B', 'A', '1', '2') /* 12 GRGR.. BGBG.. */
#define V4L2_PIX_FMT_SRGGB12 v4l2_fourcc('R', 'G', '1', '2') /* 12 RGRG.. GBGB.. */
#define V4L2_PIX_FMT_SBGGR16 v4l2_fourcc('B', 'Y', 'R', '2') /* 16 BGBG.. GRGR.. */
+#define V4L2_PIX_FMT_SGBRG16 v4l2_fourcc('G', 'B', '1', '6') /* 16 GBGB.. RGRG.. */
+#define V4L2_PIX_FMT_SRGGB16 v4l2_fourcc('R', 'G', '1', '6') /* 16 RGRG.. GBGB.. */
+#define V4L2_PIX_FMT_SGRBG16 v4l2_fourcc('G', 'R', '1', '6') /* 16 GRGR.. BGBG.. */

/* HSV formats */
#define V4L2_PIX_FMT_HSV24 v4l2_fourcc('H', 'S', 'V', '3')
--
2.10.2