From adb1d4655e53829658f42f13bd81657528a7a60d Mon Sep 17 00:00:00 2001
From: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Date: Wed, 24 Apr 2024 18:35:38 +0300
Subject: [PATCH] media: v4l: Add V4L2-PIX-FMT-Y14P format
This is a packed grey-scale image format with a depth of 14 bits per
pixel. Every four consecutive samples are packed into seven bytes. Each
of the first four bytes contain the eight high order bits of the pixels,
and the three following bytes contains the six least significants bits
of each pixel, in the same order.
As the other formats only needed 5 bytes before, append two bytes in the
documentation array.
Signed-off-by: Jean-Michel Hautbois <jeanmichel.hautbois@ideasonboard.com>
Reviewed-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Laurent Pinchart <laurent.pinchart@ideasonboard.com>
Signed-off-by: Sakari Ailus <sakari.ailus@linux.intel.com>
Signed-off-by: Hans Verkuil <hverkuil-cisco@xs4all.nl>
---
.../media/v4l/pixfmt-yuv-luma.rst | 37 +++++++++++++++++++
drivers/media/v4l2-core/v4l2-ioctl.c | 1 +
include/uapi/linux/videodev2.h | 1 +
3 files changed, 39 insertions(+)
diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst b/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst
index a650ceda7cdb4..b3c5779521d8c 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst
@@ -36,6 +36,8 @@ are often referred to as greyscale formats.
- Byte 2
- Byte 3
- Byte 4
+ - Byte 5
+ - Byte 6
* .. _V4L2-PIX-FMT-GREY:
@@ -47,6 +49,8 @@ are often referred to as greyscale formats.
- ...
- ...
- ...
+ - ...
+ - ...
* .. _V4L2-PIX-FMT-IPU3-Y10:
@@ -58,6 +62,8 @@ are often referred to as greyscale formats.
- Y'\ :sub:`2`\ [3:0] Y'\ :sub:`1`\ [9:6]
- Y'\ :sub:`3`\ [1:0] Y'\ :sub:`2`\ [9:4]
- Y'\ :sub:`3`\ [9:2]
+ - ...
+ - ...
* .. _V4L2-PIX-FMT-Y10:
@@ -69,6 +75,8 @@ are often referred to as greyscale formats.
- ...
- ...
- ...
+ - ...
+ - ...
* .. _V4L2-PIX-FMT-Y10BPACK:
@@ -80,6 +88,8 @@ are often referred to as greyscale formats.
- Y'\ :sub:`1`\ [3:0] Y'\ :sub:`2`\ [9:6]
- Y'\ :sub:`2`\ [5:0] Y'\ :sub:`3`\ [9:8]
- Y'\ :sub:`3`\ [7:0]
+ - ...
+ - ...
* .. _V4L2-PIX-FMT-Y10P:
@@ -91,6 +101,8 @@ are often referred to as greyscale formats.
- Y'\ :sub:`2`\ [9:2]
- Y'\ :sub:`3`\ [9:2]
- Y'\ :sub:`3`\ [1:0] Y'\ :sub:`2`\ [1:0] Y'\ :sub:`1`\ [1:0] Y'\ :sub:`0`\ [1:0]
+ - ...
+ - ...
* .. _V4L2-PIX-FMT-Y12:
@@ -102,6 +114,8 @@ are often referred to as greyscale formats.
- ...
- ...
- ...
+ - ...
+ - ...
* .. _V4L2-PIX-FMT-Y012:
@@ -113,6 +127,8 @@ are often referred to as greyscale formats.
- ...
- ...
- ...
+ - ...
+ - ...
* .. _V4L2-PIX-FMT-Y12P:
@@ -124,6 +140,8 @@ are often referred to as greyscale formats.
- Y'\ :sub:`1`\ [3:0] Y'\ :sub:`0`\ [3:0]
- ...
- ...
+ - ...
+ - ...
* .. _V4L2-PIX-FMT-Y14:
@@ -135,6 +153,21 @@ are often referred to as greyscale formats.
- ...
- ...
- ...
+ - ...
+ - ...
+
+ * .. _V4L2-PIX-FMT-Y14P:
+
+ - ``V4L2_PIX_FMT_Y14P``
+ - 'Y14P'
+
+ - Y'\ :sub:`0`\ [13:6]
+ - Y'\ :sub:`1`\ [13:6]
+ - Y'\ :sub:`2`\ [13:6]
+ - Y'\ :sub:`3`\ [13:6]
+ - Y'\ :sub:`1`\ [1:0] Y'\ :sub:`0`\ [5:0]
+ - Y'\ :sub:`2`\ [3:0] Y'\ :sub:`1`\ [5:2]
+ - Y'\ :sub:`3`\ [5:0] Y'\ :sub:`2`\ [5:4]
* .. _V4L2-PIX-FMT-Y16:
@@ -146,6 +179,8 @@ are often referred to as greyscale formats.
- ...
- ...
- ...
+ - ...
+ - ...
* .. _V4L2-PIX-FMT-Y16-BE:
@@ -157,6 +192,8 @@ are often referred to as greyscale formats.
- ...
- ...
- ...
+ - ...
+ - ...
.. raw:: latex
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 94fe2a1d13cde..4c76d17b46293 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1322,6 +1322,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_Y10P: descr = "10-bit Greyscale (MIPI Packed)"; break;
case V4L2_PIX_FMT_IPU3_Y10: descr = "10-bit greyscale (IPU3 Packed)"; break;
case V4L2_PIX_FMT_Y12P: descr = "12-bit Greyscale (MIPI Packed)"; break;
+ case V4L2_PIX_FMT_Y14P: descr = "14-bit Greyscale (MIPI Packed)"; break;
case V4L2_PIX_FMT_Y8I: descr = "Interleaved 8-bit Greyscale"; break;
case V4L2_PIX_FMT_Y12I: descr = "Interleaved 12-bit Greyscale"; break;
case V4L2_PIX_FMT_Z16: descr = "16-bit Depth"; break;
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 760fb8ed7f695..2f97628423138 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -600,6 +600,7 @@ struct v4l2_pix_format {
#define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */
#define V4L2_PIX_FMT_IPU3_Y10 v4l2_fourcc('i', 'p', '3', 'y') /* IPU3 packed 10-bit greyscale */
#define V4L2_PIX_FMT_Y12P v4l2_fourcc('Y', '1', '2', 'P') /* 12 Greyscale, MIPI RAW12 packed */
+#define V4L2_PIX_FMT_Y14P v4l2_fourcc('Y', '1', '4', 'P') /* 14 Greyscale, MIPI RAW14 packed */
/* Palette formats */
#define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */
--
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