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[60.250.192.107]) by smtp.gmail.com with ESMTPSA id t9-20020a170902e84900b001bf8779e051sm6749403plg.289.2023.08.28.02.19.50 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 28 Aug 2023 02:19:53 -0700 (PDT) From: Marvin Lin 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 , Nicolas Dufresne Subject: [PATCH v14 4/7] media: v4l: Add HEXTILE compressed format Date: Mon, 28 Aug 2023 17:18:56 +0800 Message-Id: <20230828091859.3889817-5-milkfafa@gmail.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230828091859.3889817-1-milkfafa@gmail.com> References: <20230828091859.3889817-1-milkfafa@gmail.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org 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 Reviewed-by: Nicolas Dufresne --- 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 58f6ae25b2e7..ac52485252d9 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 `__ + * .. _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 01ba27f2ef87..2197c536740d 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1508,6 +1508,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) 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_AV1_FRAME: descr = "AV1 Frame"; 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 3af6a82d0cad..4833addf4686 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -802,6 +802,7 @@ 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 */