From f07e572f6447465d8938679533d604e402b0f066 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?=C3=81lvaro=20Fern=C3=A1ndez=20Rojas?= Date: Thu, 18 Feb 2021 18:04:33 +0100 Subject: bcm27xx: import latest patches from the RPi foundation MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit bcm2708: boot tested on RPi B+ v1.2 bcm2709: boot tested on RPi 3B v1.2 and RPi 4B v1.1 4G bcm2710: boot tested on RPi 3B v1.2 bcm2711: boot tested on RPi 4B v1.1 4G Signed-off-by: Álvaro Fernández Rojas --- ...v4l-Add-14-bit-raw-greyscale-pixel-format.patch | 131 +++++++++++++++++++++ 1 file changed, 131 insertions(+) create mode 100644 target/linux/bcm27xx/patches-5.4/950-0845-media-v4l-Add-14-bit-raw-greyscale-pixel-format.patch (limited to 'target/linux/bcm27xx/patches-5.4/950-0845-media-v4l-Add-14-bit-raw-greyscale-pixel-format.patch') diff --git a/target/linux/bcm27xx/patches-5.4/950-0845-media-v4l-Add-14-bit-raw-greyscale-pixel-format.patch b/target/linux/bcm27xx/patches-5.4/950-0845-media-v4l-Add-14-bit-raw-greyscale-pixel-format.patch new file mode 100644 index 0000000000..1910668595 --- /dev/null +++ b/target/linux/bcm27xx/patches-5.4/950-0845-media-v4l-Add-14-bit-raw-greyscale-pixel-format.patch @@ -0,0 +1,131 @@ +From 363792f3fff5f4f79e2ac08ccfcc21c05216787a Mon Sep 17 00:00:00 2001 +From: =?UTF-8?q?Daniel=20Gl=C3=B6ckner?= +Date: Mon, 24 Feb 2020 18:52:21 +0100 +Subject: [PATCH] media: v4l: Add 14-bit raw greyscale pixel format +MIME-Version: 1.0 +Content-Type: text/plain; charset=UTF-8 +Content-Transfer-Encoding: 8bit + +Commit ae9753a04cfc8e41262605875e531b6ea5e3d0ac upstream. + +The new format is called V4L2_PIX_FMT_Y14. Like V4L2_PIX_FMT_Y10 and +V4L2_PIX_FMT_Y12 it is stored in two bytes per pixel but has only two +unused bits at the top. + +Signed-off-by: Daniel Glöckner +Signed-off-by: Hans Verkuil +Acked-by: Sakari Ailus +Signed-off-by: Mauro Carvalho Chehab +--- + Documentation/media/uapi/v4l/pixfmt-y14.rst | 72 ++++++++++++++++++++ + Documentation/media/uapi/v4l/yuv-formats.rst | 1 + + drivers/media/v4l2-core/v4l2-ioctl.c | 1 + + include/uapi/linux/videodev2.h | 1 + + 4 files changed, 75 insertions(+) + create mode 100644 Documentation/media/uapi/v4l/pixfmt-y14.rst + +--- /dev/null ++++ b/Documentation/media/uapi/v4l/pixfmt-y14.rst +@@ -0,0 +1,72 @@ ++.. Permission is granted to copy, distribute and/or modify this ++.. document under the terms of the GNU Free Documentation License, ++.. Version 1.1 or any later version published by the Free Software ++.. Foundation, with no Invariant Sections, no Front-Cover Texts ++.. and no Back-Cover Texts. A copy of the license is included at ++.. Documentation/media/uapi/fdl-appendix.rst. ++.. ++.. TODO: replace it to GFDL-1.1-or-later WITH no-invariant-sections ++ ++.. _V4L2-PIX-FMT-Y14: ++ ++************************* ++V4L2_PIX_FMT_Y14 ('Y14 ') ++************************* ++ ++ ++Grey-scale image ++ ++ ++Description ++=========== ++ ++This is a grey-scale image with a depth of 14 bits per pixel. Pixels are ++stored in 16-bit words with unused high bits padded with 0. The least ++significant byte is stored at lower memory addresses (little-endian). ++ ++**Byte Order.** ++Each cell is one byte. ++ ++ ++ ++ ++.. flat-table:: ++ :header-rows: 0 ++ :stub-columns: 0 ++ ++ * - start + 0: ++ - Y'\ :sub:`00low` ++ - Y'\ :sub:`00high` ++ - Y'\ :sub:`01low` ++ - Y'\ :sub:`01high` ++ - Y'\ :sub:`02low` ++ - Y'\ :sub:`02high` ++ - Y'\ :sub:`03low` ++ - Y'\ :sub:`03high` ++ * - start + 8: ++ - Y'\ :sub:`10low` ++ - Y'\ :sub:`10high` ++ - Y'\ :sub:`11low` ++ - Y'\ :sub:`11high` ++ - Y'\ :sub:`12low` ++ - Y'\ :sub:`12high` ++ - Y'\ :sub:`13low` ++ - Y'\ :sub:`13high` ++ * - start + 16: ++ - Y'\ :sub:`20low` ++ - Y'\ :sub:`20high` ++ - Y'\ :sub:`21low` ++ - Y'\ :sub:`21high` ++ - Y'\ :sub:`22low` ++ - Y'\ :sub:`22high` ++ - Y'\ :sub:`23low` ++ - Y'\ :sub:`23high` ++ * - start + 24: ++ - Y'\ :sub:`30low` ++ - Y'\ :sub:`30high` ++ - Y'\ :sub:`31low` ++ - Y'\ :sub:`31high` ++ - Y'\ :sub:`32low` ++ - Y'\ :sub:`32high` ++ - Y'\ :sub:`33low` ++ - Y'\ :sub:`33high` +--- a/Documentation/media/uapi/v4l/yuv-formats.rst ++++ b/Documentation/media/uapi/v4l/yuv-formats.rst +@@ -35,6 +35,7 @@ to brightness information. + pixfmt-grey + pixfmt-y10 + pixfmt-y12 ++ pixfmt-y14 + pixfmt-y10b + pixfmt-y10p + pixfmt-y16 +--- a/drivers/media/v4l2-core/v4l2-ioctl.c ++++ b/drivers/media/v4l2-core/v4l2-ioctl.c +@@ -1212,6 +1212,7 @@ static void v4l_fill_fmtdesc(struct v4l2 + case V4L2_PIX_FMT_Y6: descr = "6-bit Greyscale"; break; + case V4L2_PIX_FMT_Y10: descr = "10-bit Greyscale"; break; + case V4L2_PIX_FMT_Y12: descr = "12-bit Greyscale"; break; ++ case V4L2_PIX_FMT_Y14: descr = "14-bit Greyscale"; break; + case V4L2_PIX_FMT_Y16: descr = "16-bit Greyscale"; break; + case V4L2_PIX_FMT_Y16_BE: descr = "16-bit Greyscale BE"; break; + case V4L2_PIX_FMT_Y10BPACK: descr = "10-bit Greyscale (Packed)"; break; +--- a/include/uapi/linux/videodev2.h ++++ b/include/uapi/linux/videodev2.h +@@ -569,6 +569,7 @@ struct v4l2_pix_format { + #define V4L2_PIX_FMT_Y6 v4l2_fourcc('Y', '0', '6', ' ') /* 6 Greyscale */ + #define V4L2_PIX_FMT_Y10 v4l2_fourcc('Y', '1', '0', ' ') /* 10 Greyscale */ + #define V4L2_PIX_FMT_Y12 v4l2_fourcc('Y', '1', '2', ' ') /* 12 Greyscale */ ++#define V4L2_PIX_FMT_Y14 v4l2_fourcc('Y', '1', '4', ' ') /* 14 Greyscale */ + #define V4L2_PIX_FMT_Y16 v4l2_fourcc('Y', '1', '6', ' ') /* 16 Greyscale */ + #define V4L2_PIX_FMT_Y16_BE v4l2_fourcc_be('Y', '1', '6', ' ') /* 16 Greyscale BE */ + -- cgit v1.2.3