From patchwork Wed Mar 27 00:04:59 2024 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Laurent Pinchart X-Patchwork-Id: 13605346 Received: from perceval.ideasonboard.com (perceval.ideasonboard.com [213.167.242.64]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id CF51D7FF for ; Wed, 27 Mar 2024 00:05:25 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=213.167.242.64 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711497928; cv=none; b=fmzervs6L2SstBncH1pdtxS/fcRMtAcjo0vek9SedKSi9yTVsUHLPAw5KfD+BK2l+ZCPYOKOwtcg4zP3aRXZh1QKp75chwWrTHWluX6+xQOo4bjaMu/FSzcJ3DtHUm9obm+w4ktmn1BzcoTB3W54axI21NDIFVU0SCV53km22BY= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1711497928; c=relaxed/simple; bh=qZ8hI9dcLxcs2LNTuW7ubttGfSY7gQesjIcy0fF8B5A=; h=From:To:Cc:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version; b=k8cA54Z+E86z5+ru3IzBRKAcn82Rkt79TaedIwcoFOS8af1Jf/PlH56d2DgsxAgQj4h2Y8zqHreu2uk2Zv+rOwCTVubWf8LDMZ2B4wvtKPU8899lBhaA9qQGO4oNjFiww1/wKezAKX3P3gubboq0Hcn9BlJCJUj9jhmhoNUtHeg= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com; spf=pass smtp.mailfrom=ideasonboard.com; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b=jhvlW8Fp; arc=none smtp.client-ip=213.167.242.64 Authentication-Results: smtp.subspace.kernel.org; dmarc=none (p=none dis=none) header.from=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=ideasonboard.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=ideasonboard.com header.i=@ideasonboard.com header.b="jhvlW8Fp" Received: from pendragon.ideasonboard.com (81-175-209-231.bb.dnainternet.fi [81.175.209.231]) by perceval.ideasonboard.com (Postfix) with ESMTPSA id 0EC8B9CE; Wed, 27 Mar 2024 01:04:48 +0100 (CET) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/simple; d=ideasonboard.com; s=mail; t=1711497889; bh=qZ8hI9dcLxcs2LNTuW7ubttGfSY7gQesjIcy0fF8B5A=; h=From:To:Cc:Subject:Date:In-Reply-To:References:From; b=jhvlW8FpvrvKicCoGvNoUt1ZpV2yEvjr2qLlU70/MaIY0xssgQ6IGZ/uNTCz/PjKr NJu13KyCIucJoECKKtDgxSmRS2G+WaG79ZKr1llknFW+A9UZfRX/WOq/2bNdexbdRY HUp66aN99Y2Vwoy+rxuiKTuRbuBl7MqWg13nJdp4= From: Laurent Pinchart To: linux-media@vger.kernel.org Cc: Jean-Michel Hautbois , Dave Stevenson , David Plowman , Jean-Michel Hautbois , Hans Verkuil , Naushir Patuck , Sakari Ailus , kernel-list@raspberrypi.com, linux-rpi-kernel@lists.infradead.org, Florian Fainelli , Ray Jui , Scott Branden , bcm-kernel-feedback-list@broadcom.com Subject: [PATCH v8 01/10] media: v4l: Add V4L2-PIX-FMT-Y12P format Date: Wed, 27 Mar 2024 02:04:59 +0200 Message-ID: <20240327000510.2541-2-laurent.pinchart@ideasonboard.com> X-Mailer: git-send-email 2.43.2 In-Reply-To: <20240327000510.2541-1-laurent.pinchart@ideasonboard.com> References: <20240327000510.2541-1-laurent.pinchart@ideasonboard.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 From: Jean-Michel Hautbois 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 Signed-off-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 cf8e4dfbfbd4..a650ceda7cdb 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-yuv-luma.rst @@ -114,6 +114,17 @@ 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 72cdea3c1316..01959d030b84 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1313,6 +1313,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) 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_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_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 8b5a8286f138..a7ff109cf8b3 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -599,6 +599,7 @@ struct v4l2_pix_format { #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_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 */ /* Palette formats */ #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */