From patchwork Tue May 8 08:46:17 2018 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Todor Tomov X-Patchwork-Id: 135136 Delivered-To: patch@linaro.org Received: by 10.46.151.6 with SMTP id r6csp4121671lji; Tue, 8 May 2018 01:46:42 -0700 (PDT) X-Google-Smtp-Source: AB8JxZqPHv4mn0XTmpb7Tn0QoGDZwysCQ9Ry/VOI8lafwN3DTnpzl15F6TrI9CmLBT4B0s/iwqqC X-Received: by 2002:a17:902:7008:: with SMTP id y8-v6mr16486008plk.141.1525769202321; Tue, 08 May 2018 01:46:42 -0700 (PDT) ARC-Seal: i=1; a=rsa-sha256; t=1525769202; cv=none; d=google.com; s=arc-20160816; b=ckYdM+yBuWHYjbpLbBeqVa4KgqmjD1QS0Q8pyrd4T+2H1L4DYmu0I1I3kub6CuSSiz 1ik5nYNq/89tL0MqCA9tGv5CS/AYi7WEpO6joU46YsqR0YNUcx28ADodV1s38RVvLDWS e60cCiqwsFWGFK49FsmcC5/m5z/CXq+PjSTCcPLe3hff7OaQwbs4J3ufeKNY4gZW7onj hyUvDHJ5RlGORGldl+ZR0wRgaPGWm9yS6HDJEkFuMZFF45O+1ifVpQxA0l5N33rnws3V oecJy7CboNR2iX70BW4pBfJfI3EdibJQNb//+aDP2d6Zlfs2Sw8W89o+cPLKFSbVVPTM W+lQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=list-id:precedence:sender:message-id:date:subject:cc:to:from :arc-authentication-results; bh=816riBL/B5ZZe9kXbkuP5QZR/SOO/XdbqSlIOQVuKkY=; b=RjdmEzZ33gu4Qty0vCJUBLKS8bz91U9nro0hCkW6e8aAEOywEAI0arG/RV2ofl4Ipe sKhVsCheQQ/52zQMgaYxAjvuoLDpr6GFYwWgTo70eITDT0loTpHUdbVfDvKR5BYhjQbA YBLhDPAKyq6IGsY3NW6CcvkGMZAyyI6dqAPWULd/5Bkru/qyquXbvvqvdrc8Ffvo2qqG yK6cjD9lCHZNlsKTRrC3Fx49ycvpUzyEtbcgGx6ZYJhq/X9pTQ7PWVbeRGA6o12qtClm KWPyHMBQ/h7m/sy1F1g/C/KkQ+7eSbDXSS7urkNHNY7W2qQCV4N/JzD4NOFKxiZlqrWR VvrQ== ARC-Authentication-Results: i=1; mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Return-Path: Received: from vger.kernel.org (vger.kernel.org. [209.132.180.67]) by mx.google.com with ESMTP id k3-v6si23829267pld.9.2018.05.08.01.46.42; Tue, 08 May 2018 01:46:42 -0700 (PDT) Received-SPF: pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) client-ip=209.132.180.67; Authentication-Results: mx.google.com; spf=pass (google.com: best guess record for domain of linux-kernel-owner@vger.kernel.org designates 209.132.180.67 as permitted sender) smtp.mailfrom=linux-kernel-owner@vger.kernel.org; dmarc=fail (p=NONE sp=NONE dis=NONE) header.from=linaro.org Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S933369AbeEHIqg (ORCPT + 29 others); Tue, 8 May 2018 04:46:36 -0400 Received: from ns.mm-sol.com ([37.157.136.199]:53348 "EHLO extserv.mm-sol.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S932297AbeEHIqc (ORCPT ); Tue, 8 May 2018 04:46:32 -0400 Received: from mms-0439.qualcomm.mm-sol.com (unknown [37.157.136.206]) by extserv.mm-sol.com (Postfix) with ESMTPSA id A0B64CD0A; Tue, 8 May 2018 11:46:28 +0300 (EEST) From: Todor Tomov To: sakari.ailus@iki.fi, mchehab@kernel.org, hverkuil@xs4all.nl, laurent.pinchart@ideasonboard.com, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: Todor Tomov Subject: [PATCH v2] media: v4l: Add new 10-bit packed grayscale format Date: Tue, 8 May 2018 11:46:17 +0300 Message-Id: <1525769177-6328-1-git-send-email-todor.tomov@linaro.org> X-Mailer: git-send-email 2.7.4 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org The new format will be called V4L2_PIX_FMT_Y10P. It is similar to the V4L2_PIX_FMT_SBGGR10P family formats but V4L2_PIX_FMT_Y10P is a grayscale format. Signed-off-by: Todor Tomov --- v2: - doc: improved bit-packed representation: added bit positions for LSB bits; - doc: improved bit-packed representation: added table column widths. Documentation/media/uapi/v4l/pixfmt-y10p.rst | 33 ++++++++++++++++++++++++++++ Documentation/media/uapi/v4l/yuv-formats.rst | 1 + drivers/media/v4l2-core/v4l2-ioctl.c | 1 + include/uapi/linux/videodev2.h | 1 + 4 files changed, 36 insertions(+) create mode 100644 Documentation/media/uapi/v4l/pixfmt-y10p.rst -- 2.7.4 diff --git a/Documentation/media/uapi/v4l/pixfmt-y10p.rst b/Documentation/media/uapi/v4l/pixfmt-y10p.rst new file mode 100644 index 0000000..13b5713 --- /dev/null +++ b/Documentation/media/uapi/v4l/pixfmt-y10p.rst @@ -0,0 +1,33 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _V4L2-PIX-FMT-Y10P: + +****************************** +V4L2_PIX_FMT_Y10P ('Y10P') +****************************** + +Grey-scale image as a MIPI RAW10 packed array + + +Description +=========== + +This is a packed grey-scale image format with a depth of 10 bits per +pixel. Every four consecutive pixels are packed into 5 bytes. Each of +the first 4 bytes contain the 8 high order bits of the pixels, and +the 5th byte contains the 2 least significants bits of each pixel, +in the same order. + +**Bit-packed representation.** + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + :widths: 8 8 8 8 64 + + * - Y'\ :sub:`00[9:2]` + - Y'\ :sub:`01[9:2]` + - Y'\ :sub:`02[9:2]` + - Y'\ :sub:`03[9:2]` + - Y'\ :sub:`03[1:0]`\ (bits 7--6) Y'\ :sub:`02[1:0]`\ (bits 5--4) + Y'\ :sub:`01[1:0]`\ (bits 3--2) Y'\ :sub:`00[1:0]`\ (bits 1--0) diff --git a/Documentation/media/uapi/v4l/yuv-formats.rst b/Documentation/media/uapi/v4l/yuv-formats.rst index 3334ea4..9ab0592 100644 --- a/Documentation/media/uapi/v4l/yuv-formats.rst +++ b/Documentation/media/uapi/v4l/yuv-formats.rst @@ -29,6 +29,7 @@ to brightness information. pixfmt-y10 pixfmt-y12 pixfmt-y10b + pixfmt-y10p pixfmt-y16 pixfmt-y16-be pixfmt-y8i diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index de5d96d..dececea 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1147,6 +1147,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_PIX_FMT_Y16: descr = "16-bit Greyscale"; break; 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_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 600877b..b24ab720 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -522,6 +522,7 @@ 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 */ /* Palette formats */ #define V4L2_PIX_FMT_PAL8 v4l2_fourcc('P', 'A', 'L', '8') /* 8 8-bit palette */