From: Marvin Lin <milkfafa@gmail.com>
To: mchehab@kernel.org, hverkuil-cisco@xs4all.nl,
avifishman70@gmail.com, tmaimon77@gmail.com,
tali.perry1@gmail.com, venture@google.com, yuenn@google.com,
benjaminfair@google.com, robh+dt@kernel.org,
krzysztof.kozlowski+dt@linaro.org, andrzej.p@collabora.com
Cc: devicetree@vger.kernel.org, linux-media@vger.kernel.org,
linux-kernel@vger.kernel.org, openbmc@lists.ozlabs.org,
kwliu@nuvoton.com, kflin@nuvoton.com,
Marvin Lin <milkfafa@gmail.com>,
Nicolas Dufresne <nicolas.dufresne@collabora.com>
Subject: [PATCH v9 4/7] media: v4l: Add HEXTILE compressed format
Date: Tue, 20 Dec 2022 17:40:52 +0800 [thread overview]
Message-ID: <20221220094055.3011916-5-milkfafa@gmail.com> (raw)
In-Reply-To: <20221220094055.3011916-1-milkfafa@gmail.com>
Add HEXTILE compressed format which is defined in Remote Framebuffer
Protocol (RFC 6143, chapter 7.7.4 Hextile Encoding) and is used by
Encoding Compression Engine (ECE) present on Nuvoton NPCM SoCs.
Signed-off-by: Marvin Lin <milkfafa@gmail.com>
Reviewed-by: Nicolas Dufresne <nicolas.dufresne@collabora.com>
---
Documentation/userspace-api/media/v4l/pixfmt-reserved.rst | 7 +++++++
drivers/media/v4l2-core/v4l2-ioctl.c | 1 +
include/uapi/linux/videodev2.h | 1 +
3 files changed, 9 insertions(+)
diff --git a/Documentation/userspace-api/media/v4l/pixfmt-reserved.rst b/Documentation/userspace-api/media/v4l/pixfmt-reserved.rst
index 73cd99828010..e6ee0eebe691 100644
--- a/Documentation/userspace-api/media/v4l/pixfmt-reserved.rst
+++ b/Documentation/userspace-api/media/v4l/pixfmt-reserved.rst
@@ -275,6 +275,13 @@ please make a proposal on the linux-media mailing list.
Decoder's implementation can be found here,
`aspeed_codec <https://github.com/AspeedTech-BMC/aspeed_codec/>`__
+ * .. _V4L2-PIX-FMT-HEXTILE:
+
+ - ``V4L2_PIX_FMT_HEXTILE``
+ - 'HXTL'
+ - Compressed format used by Nuvoton NPCM video driver. This format is
+ defined in Remote Framebuffer Protocol (RFC 6143, chapter 7.7.4 Hextile
+ Encoding).
.. raw:: latex
\normalsize
diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c
index 8e0a0ff62a70..a0e387335139 100644
--- a/drivers/media/v4l2-core/v4l2-ioctl.c
+++ b/drivers/media/v4l2-core/v4l2-ioctl.c
@@ -1494,6 +1494,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt)
case V4L2_PIX_FMT_QC08C: descr = "QCOM Compressed 8-bit Format"; break;
case V4L2_PIX_FMT_QC10C: descr = "QCOM Compressed 10-bit Format"; break;
case V4L2_PIX_FMT_AJPG: descr = "Aspeed JPEG"; break;
+ case V4L2_PIX_FMT_HEXTILE: descr = "Hextile Compressed Format"; break;
default:
if (fmt->description[0])
return;
diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h
index 1befd181a4cc..1ce21cc4fbf1 100644
--- a/include/uapi/linux/videodev2.h
+++ b/include/uapi/linux/videodev2.h
@@ -778,6 +778,7 @@ struct v4l2_pix_format {
#define V4L2_PIX_FMT_QC08C v4l2_fourcc('Q', '0', '8', 'C') /* Qualcomm 8-bit compressed */
#define V4L2_PIX_FMT_QC10C v4l2_fourcc('Q', '1', '0', 'C') /* Qualcomm 10-bit compressed */
#define V4L2_PIX_FMT_AJPG v4l2_fourcc('A', 'J', 'P', 'G') /* Aspeed JPEG */
+#define V4L2_PIX_FMT_HEXTILE v4l2_fourcc('H', 'X', 'T', 'L') /* Hextile compressed */
/* 10bit raw packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */
#define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */
--
2.34.1
next prev parent reply other threads:[~2022-12-20 9:42 UTC|newest]
Thread overview: 13+ messages / expand[flat|nested] mbox.gz Atom feed top
2022-12-20 9:40 [PATCH v9 0/7] Support Nuvoton NPCM Video Capture/Encode Engine Marvin Lin
2022-12-20 9:40 ` [PATCH v9 1/7] ARM: dts: nuvoton: Add node for NPCM VCD and ECE engine Marvin Lin
2022-12-20 9:40 ` [PATCH v9 2/7] media: dt-binding: nuvoton: Add " Marvin Lin
2022-12-20 16:11 ` Krzysztof Kozlowski
2022-12-22 2:25 ` Kun-Fa Lin
2022-12-20 9:40 ` [PATCH v9 3/7] dt-bindings: arm: nuvoton: Add bindings for NPCM GFXI Marvin Lin
2022-12-20 9:40 ` Marvin Lin [this message]
2022-12-20 9:40 ` [PATCH v9 5/7] media: v4l2-ctrls: Reserve user control base for NPCM video controls Marvin Lin
2022-12-20 9:40 ` [PATCH v9 6/7] media: uapi: Add controls for NPCM video driver Marvin Lin
2022-12-20 9:40 ` [PATCH v9 7/7] media: nuvoton: Add driver for NPCM video capture and encode engine Marvin Lin
2022-12-20 11:11 ` Andrzej Pietrasiewicz
2022-12-22 2:23 ` Kun-Fa Lin
2022-12-25 16:51 ` kernel test robot
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