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: 10385765 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork.web.codeaurora.org (Postfix) with ESMTP id B14D860159 for ; Tue, 8 May 2018 08:46:54 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id A51F828922 for ; Tue, 8 May 2018 08:46:54 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 99CA728C7D; Tue, 8 May 2018 08:46:54 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-7.9 required=2.0 tests=BAYES_00, MAILING_LIST_MULTI, RCVD_IN_DNSWL_HI autolearn=unavailable version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 11E8528922 for ; Tue, 8 May 2018 08:46:54 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S932364AbeEHIqg (ORCPT ); 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-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP 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 Acked-by: Sakari Ailus --- 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 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 */