From patchwork Wed Jan 12 16:10:13 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Jean-Michel Hautbois X-Patchwork-Id: 12711557 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 9F0BFC433FE for ; Wed, 12 Jan 2022 16:10:44 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1354974AbiALQKl (ORCPT ); Wed, 12 Jan 2022 11:10:41 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42852 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1354963AbiALQKf (ORCPT ); Wed, 12 Jan 2022 11:10:35 -0500 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [IPv6:2001:4b98:dc2:55:216:3eff:fef7:d647]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 58212C06173F; Wed, 12 Jan 2022 08:10:35 -0800 (PST) Received: from tatooine.ideasonboard.com (unknown [IPv6:2a01:e0a:169:7140:662a:d95e:24d7:7832]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 4A040E41; Wed, 12 Jan 2022 17:10:32 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1642003832; bh=cuV9Yf6PI6muTBRyz8nniZitzJKO3cfsb/gRbUY7v8w=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=LO6kZyXrlrEV0PZzsocOI6rQciXiij7nQUtyAOK+7IloA3c8H00sc42AULxR/FnGx YC5bYPGJOgfJqN0cepwEwXX8Mbi8Dzg9I/mbcmZWJoEdPVF1snGenXVqiPLvvcPXLQ L6UosD7HHxwA1HGB3pUhslvK1gz7mG7OzpXlYfPM= From: Jean-Michel Hautbois To: linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: laurent.pinchart@ideasonboard.com, mchehab@kernel.org, dave.stevenson@raspberrypi.com, Jean-Michel Hautbois Subject: [PATCH 2/3] media: v4l: Add V4L2-PIX-FMT-Y12P format Date: Wed, 12 Jan 2022 17:10:13 +0100 Message-Id: <20220112161014.972076-3-jeanmichel.hautbois@ideasonboard.com> X-Mailer: git-send-email 2.32.0 In-Reply-To: <20220112161014.972076-1-jeanmichel.hautbois@ideasonboard.com> References: <20220112161014.972076-1-jeanmichel.hautbois@ideasonboard.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org This is a packed grey-scale image format with a depth of 12 bits per pixel. Two consecutive pixels are packed into 3 bytes. The first 2 bytes contain the 8 high order bits of the pixels, and the 3rd byte contains the 4 least significants bits of each pixel, in the same order. Add the entry in userspace API, and document it. Signed-off-by: Jean-Michel Hautbois Reviewed-by: Laurent Pinchart --- .../userspace-api/media/v4l/pixfmt-yuv-luma.rst | 11 +++++++++++ drivers/media/v4l2-core/v4l2-ioctl.c | 1 + include/uapi/linux/videodev2.h | 1 + 3 files changed, 13 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst b/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst index 8ebd58c3588f..d37ce6027095 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst @@ -92,6 +92,17 @@ are often referred to as greyscale formats. - ... - ... + * .. _V4L2-PIX-FMT-Y12P: + + - ``V4L2_PIX_FMT_Y12P`` + - 'Y12P' + + - Y'\ :sub:`0`\ [11:4] + - Y'\ :sub:`1`\ [11:4] + - Y'\ :sub:`1`\ [3:0] Y'\ :sub:`0`\ [3:0] + - ... + - ... + * .. _V4L2-PIX-FMT-Y14: - ``V4L2_PIX_FMT_Y14`` diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 9ac557b8e146..e90979af8efb 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1263,6 +1263,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_PIX_FMT_Y16_BE: descr = "16-bit Greyscale BE"; break; case V4L2_PIX_FMT_Y10BPACK: descr = "10-bit Greyscale (Packed)"; break; case V4L2_PIX_FMT_Y10P: descr = "10-bit Greyscale (MIPI Packed)"; break; + case V4L2_PIX_FMT_Y12P: descr = "12-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 df8b9c486ba1..39ab8c216fe8 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -569,6 +569,7 @@ struct v4l2_pix_format { /* Grey bit-packed formats */ #define V4L2_PIX_FMT_Y10BPACK v4l2_fourcc('Y', '1', '0', 'B') /* 10 Greyscale bit-packed */ #define V4L2_PIX_FMT_Y10P v4l2_fourcc('Y', '1', '0', 'P') /* 10 Greyscale, MIPI RAW10 packed */ +#define V4L2_PIX_FMT_Y12P v4l2_fourcc('Y', '1', '2', 'P') /* 12 Greyscale, MIPI RAW12 packed */ /* Palette formats */ #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */