From nobody Sun Dec 14 06:36:34 2025 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id CF379C7EE22 for ; Wed, 3 May 2023 08:35:13 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S229948AbjECIfL (ORCPT ); Wed, 3 May 2023 04:35:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:53974 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229820AbjECIeu (ORCPT ); Wed, 3 May 2023 04:34:50 -0400 Received: from madras.collabora.co.uk (madras.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e5ab]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 155694C0E; Wed, 3 May 2023 01:34:49 -0700 (PDT) Received: from benjamin-XPS-13-9310.. (unknown [IPv6:2a01:e0a:120:3210:8234:977e:ebbe:d70b]) (using TLSv1.3 with cipher TLS_AES_256_GCM_SHA384 (256/256 bits) key-exchange X25519 server-signature RSA-PSS (4096 bits) server-digest SHA256) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by madras.collabora.co.uk (Postfix) with ESMTPSA id 9700066056D2; Wed, 3 May 2023 09:34:47 +0100 (BST) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=collabora.com; s=mail; t=1683102887; bh=HvCUV5rosPThl8cD3jr79LtJ3uKFRE7IxvD56lg3Oxg=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=MkvFnOwIeHLZ+xlRCdYwuuaAsSIsP4O0CGhgA8FqlW44dpNJguwQj1r3pK71X/NHp yHDsgNuxs4hT+3zjWwrrDnpRm3y/XNCcRC2BliJw0T/E1O7PlnlbPv5F5w1obW/rHq ah6Yw1cKDeE+AWDK3McSlHFj0I8PB0dKXWyM/pUIuQGE+/OoXSIY5E3dUVMS121z0K v57zb2eWFUGVdmsGpp8GLkZL3tTuVWU3dOcQLNiy6bJ+i4zUM2FWvgTdFyb7WyEVtl rz0UBnaEjHhRh675urCZVkwMSNh1tFon3cEmARQC/bqZFQSXNbWhqn5cGnYmkIFopM RlgqYPeDHtCww== From: Benjamin Gaignard To: ezequiel@vanguardiasur.com.ar, p.zabel@pengutronix.de, mchehab@kernel.org, robh+dt@kernel.org, krzysztof.kozlowski+dt@linaro.org, heiko@sntech.de, hverkuil-cisco@xs4all.nl, nicolas.dufresne@collabora.com Cc: linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v7 04/13] media: Add NV15_4L4 pixel format Date: Wed, 3 May 2023 10:34:29 +0200 Message-Id: <20230503083438.85139-5-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20230503083438.85139-1-benjamin.gaignard@collabora.com> References: <20230503083438.85139-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Content-Transfer-Encoding: quoted-printable Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org Content-Type: text/plain; charset="utf-8" NV15_4L4 is the 10-bits per component 4x4 tiled format. Signed-off-by: Benjamin Gaignard Signed-off-by: Nicolas Dufresne --- .../media/v4l/pixfmt-yuv-planar.rst | 16 ++++++++++++++++ drivers/media/v4l2-core/v4l2-common.c | 2 ++ drivers/media/v4l2-core/v4l2-ioctl.c | 1 + include/uapi/linux/videodev2.h | 1 + 4 files changed, 20 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst b/= Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst index 72324274f20c..989b94c46288 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-planar.rst @@ -137,6 +137,13 @@ All components are stored with the same number of bits= per component. - Cb, Cr - No - Linear + * - V4L2_PIX_FMT_NV15_4L4 + - 'VT15' + - 15 + - 4:2:0 + - Cb, Cr + - Yes + - 4x4 tiles * - V4L2_PIX_FMT_NV16 - 'NV16' - 8 @@ -378,6 +385,15 @@ two non-contiguous planes. =20 Example V4L2_PIX_FMT_NV12MT memory layout of tiles =20 +.. _V4L2-PIX-FMT-NV15-4L4: + +Tiled NV15 +---------- + +Semi-planar 10-bit YUV 4:2:0 formats, using 4x4 tiling. +All components are packed without any padding between each other. +As a side-effect, each group of 4 components are stored over 5 bytes=20 +(YYYY or UVUV =3D 4 * 10 bits =3D 40 bits =3D 5 bytes). =20 .. _V4L2-PIX-FMT-NV16: .. _V4L2-PIX-FMT-NV61: diff --git a/drivers/media/v4l2-core/v4l2-common.c b/drivers/media/v4l2-cor= e/v4l2-common.c index 4b3faec14f69..145db7ab7397 100644 --- a/drivers/media/v4l2-core/v4l2-common.c +++ b/drivers/media/v4l2-core/v4l2-common.c @@ -283,6 +283,8 @@ const struct v4l2_format_info *v4l2_format_info(u32 for= mat) =20 /* Tiled YUV formats */ { .format =3D V4L2_PIX_FMT_NV12_4L4, .pixel_enc =3D V4L2_PIXEL_ENC_YUV, = .mem_planes =3D 1, .comp_planes =3D 2, .bpp =3D { 1, 2, 0, 0 }, .bpp_div = =3D { 1, 1, 1, 1 }, .hdiv =3D 2, .vdiv =3D 2 }, + { .format =3D V4L2_PIX_FMT_NV15_4L4, .pixel_enc =3D V4L2_PIXEL_ENC_YUV, = .mem_planes =3D 1, .comp_planes =3D 2, .bpp =3D { 5, 10, 0, 0 }, .bpp_div = =3D { 4, 4, 1, 1 }, .hdiv =3D 2, .vdiv =3D 2,=20 + .block_w =3D { 4, 2, 0, 0 }, .block_h =3D { 1, 1, 0, 0 }}, { .format =3D V4L2_PIX_FMT_P010_4L4, .pixel_enc =3D V4L2_PIXEL_ENC_YUV, = .mem_planes =3D 1, .comp_planes =3D 2, .bpp =3D { 2, 4, 0, 0 }, .bpp_div = =3D { 1, 1, 1, 1 }, .hdiv =3D 2, .vdiv =3D 2 }, =20 /* YUV planar formats, non contiguous variant */ diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core= /v4l2-ioctl.c index 41d7a8e3712a..01ba27f2ef87 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1356,6 +1356,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_PIX_FMT_NV12_4L4: descr =3D "Y/UV 4:2:0 (4x4 Linear)"; break; case V4L2_PIX_FMT_NV12_16L16: descr =3D "Y/UV 4:2:0 (16x16 Linear)"; brea= k; case V4L2_PIX_FMT_NV12_32L32: descr =3D "Y/UV 4:2:0 (32x32 Linear)"; br= eak; + case V4L2_PIX_FMT_NV15_4L4: descr =3D "10-bit Y/UV 4:2:0 (4x4 Linear)"; b= reak; case V4L2_PIX_FMT_P010_4L4: descr =3D "10-bit Y/UV 4:2:0 (4x4 Linear)"; b= reak; case V4L2_PIX_FMT_NV12M: descr =3D "Y/UV 4:2:0 (N-C)"; break; case V4L2_PIX_FMT_NV21M: descr =3D "Y/VU 4:2:0 (N-C)"; break; diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index e3d83b59b25f..2b04cf20345f 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -672,6 +672,7 @@ struct v4l2_pix_format { #define V4L2_PIX_FMT_NV12_4L4 v4l2_fourcc('V', 'T', '1', '2') /* 12 Y/C= bCr 4:2:0 4x4 tiles */ #define V4L2_PIX_FMT_NV12_16L16 v4l2_fourcc('H', 'M', '1', '2') /* 12 Y/C= bCr 4:2:0 16x16 tiles */ #define V4L2_PIX_FMT_NV12_32L32 v4l2_fourcc('S', 'T', '1', '2') /* 12 Y/C= bCr 4:2:0 32x32 tiles */ +#define V4L2_PIX_FMT_NV15_4L4 v4l2_fourcc('V', 'T', '1', '5') /* 15 Y/CbCr= 4:2:0 10-bit 4x4 tiles */ #define V4L2_PIX_FMT_P010_4L4 v4l2_fourcc('T', '0', '1', '0') /* 12 Y/CbC= r 4:2:0 10-bit 4x4 macroblocks */ #define V4L2_PIX_FMT_NV12_8L128 v4l2_fourcc('A', 'T', '1', '2') /* Y= /CbCr 4:2:0 8x128 tiles */ #define V4L2_PIX_FMT_NV12_10BE_8L128 v4l2_fourcc_be('A', 'X', '1', '2') /= * Y/CbCr 4:2:0 10-bit 8x128 tiles */ --=20 2.34.1