From patchwork Tue May 2 13:26:13 2017 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Ramesh Shanmugasundaram X-Patchwork-Id: 41123 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from mail.tu-berlin.de ([130.149.7.33]) by www.linuxtv.org with esmtp (Exim 4.84_2) (envelope-from ) id 1d5Y1U-0001bF-Ki; Tue, 02 May 2017 13:39:24 +0000 X-tubIT-Incoming-IP: 209.132.180.67 Received: from vger.kernel.org ([209.132.180.67]) by mail.tu-berlin.de (exim-4.84_2/mailfrontend-7) with esmtp id 1d5Y1S-0002h7-1U; Tue, 02 May 2017 15:39:24 +0200 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1751443AbdEBNjP (ORCPT + 1 other); Tue, 2 May 2017 09:39:15 -0400 Received: from relmlor1.renesas.com ([210.160.252.171]:34106 "EHLO relmlie4.idc.renesas.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1751253AbdEBNjL (ORCPT ); Tue, 2 May 2017 09:39:11 -0400 Received: from unknown (HELO relmlir4.idc.renesas.com) ([10.200.68.154]) by relmlie4.idc.renesas.com with ESMTP; 02 May 2017 22:39:05 +0900 Received: from relmlii2.idc.renesas.com (relmlii2.idc.renesas.com [10.200.68.66]) by relmlir4.idc.renesas.com (Postfix) with ESMTP id A8DE545BE9; Tue, 2 May 2017 22:39:05 +0900 (JST) X-IronPort-AV: E=Sophos;i="5.37,405,1488812400"; d="scan'208";a="242428578" Received: from unknown (HELO be1yocto.ree.adwin.renesas.com) ([172.29.43.62]) by relmlii2.idc.renesas.com with ESMTP; 02 May 2017 22:39:02 +0900 From: Ramesh Shanmugasundaram To: robh+dt@kernel.org, mark.rutland@arm.com, mchehab@kernel.org, hverkuil@xs4all.nl, sakari.ailus@linux.intel.com, crope@iki.fi Cc: chris.paterson2@renesas.com, laurent.pinchart@ideasonboard.com, geert+renesas@glider.be, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-renesas-soc@vger.kernel.org, Ramesh Shanmugasundaram Subject: [PATCH v4 5/7] doc_rst: media: New SDR formats PC16, PC18 & PC20 Date: Tue, 2 May 2017 14:26:13 +0100 Message-Id: <20170502132615.42134-6-ramesh.shanmugasundaram@bp.renesas.com> X-Mailer: git-send-email 2.12.2 In-Reply-To: <20170502132615.42134-1-ramesh.shanmugasundaram@bp.renesas.com> References: <20170502132615.42134-1-ramesh.shanmugasundaram@bp.renesas.com> Sender: linux-media-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-PMX-Version: 6.0.0.2142326, Antispam-Engine: 2.7.2.2107409, Antispam-Data: 2017.5.2.133016 X-PMX-Spam: Gauge=IIIIIIII, Probability=8%, Report=' MULTIPLE_RCPTS 0.1, HTML_00_01 0.05, HTML_00_10 0.05, BODY_SIZE_6000_6999 0, BODY_SIZE_7000_LESS 0, IN_REP_TO 0, LEGITIMATE_SIGNS 0, MSG_THREAD 0, MULTIPLE_REAL_RCPTS 0, NO_URI_HTTPS 0, REFERENCES 0, __ANY_URI 0, __CC_NAME 0, __CC_NAME_DIFF_FROM_ACC 0, __CC_REAL_NAMES 0, __FRAUD_COMMON 0, __FRAUD_REFNUM 0, __FROM_DOMAIN_IN_ANY_CC2 0, __FROM_DOMAIN_IN_RCPT 0, __HAS_CC_HDR 0, __HAS_FROM 0, __HAS_LIST_ID 0, __HAS_MSGID 0, __HAS_X_MAILER 0, __HAS_X_MAILING_LIST 0, __IN_REP_TO 0, __MIME_TEXT_ONLY 0, __MIME_TEXT_P 0, __MIME_TEXT_P1 0, __MULTIPLE_RCPTS_CC_X2 0, __MULTIPLE_RCPTS_TO_X5 0, __REFERENCES 0, __SANE_MSGID 0, __SUBJ_ALPHA_END 0, __TO_MALFORMED_2 0, __TO_NO_NAME 0, __URI_NO_WWW 0, __URI_NS ' This patch adds documentation for the three new SDR formats V4L2_SDR_FMT_PCU16BE V4L2_SDR_FMT_PCU18BE V4L2_SDR_FMT_PCU20BE Signed-off-by: Ramesh Shanmugasundaram --- .../media/uapi/v4l/pixfmt-sdr-pcu16be.rst | 55 ++++++++++++++++++++++ .../media/uapi/v4l/pixfmt-sdr-pcu18be.rst | 55 ++++++++++++++++++++++ .../media/uapi/v4l/pixfmt-sdr-pcu20be.rst | 54 +++++++++++++++++++++ Documentation/media/uapi/v4l/sdr-formats.rst | 3 ++ 4 files changed, 167 insertions(+) create mode 100644 Documentation/media/uapi/v4l/pixfmt-sdr-pcu16be.rst create mode 100644 Documentation/media/uapi/v4l/pixfmt-sdr-pcu18be.rst create mode 100644 Documentation/media/uapi/v4l/pixfmt-sdr-pcu20be.rst diff --git a/Documentation/media/uapi/v4l/pixfmt-sdr-pcu16be.rst b/Documentation/media/uapi/v4l/pixfmt-sdr-pcu16be.rst new file mode 100644 index 000000000000..2de1b1a0f517 --- /dev/null +++ b/Documentation/media/uapi/v4l/pixfmt-sdr-pcu16be.rst @@ -0,0 +1,55 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _V4L2-SDR-FMT-PCU16BE: + +****************************** +V4L2_SDR_FMT_PCU16BE ('PC16') +****************************** + +Planar complex unsigned 16-bit big endian IQ sample + +Description +=========== + +This format contains a sequence of complex number samples. Each complex +number consist of two parts called In-phase and Quadrature (IQ). Both I +and Q are represented as a 16 bit unsigned big endian number stored in +32 bit space. The remaining unused bits within the 32 bit space will be +padded with 0. I value starts first and Q value starts at an offset +equalling half of the buffer size (i.e.) offset = buffersize/2. Out of +the 16 bits, bit 15:2 (14 bit) is data and bit 1:0 (2 bit) can be any +value. + +**Byte Order.** +Each cell is one byte. + +.. flat-table:: + :header-rows: 1 + :stub-columns: 0 + + * - Offset: + - Byte B0 + - Byte B1 + - Byte B2 + - Byte B3 + * - start + 0: + - I'\ :sub:`0[13:6]` + - I'\ :sub:`0[5:0]; B1[1:0]=pad` + - pad + - pad + * - start + 4: + - I'\ :sub:`1[13:6]` + - I'\ :sub:`1[5:0]; B1[1:0]=pad` + - pad + - pad + * - ... + * - start + offset: + - Q'\ :sub:`0[13:6]` + - Q'\ :sub:`0[5:0]; B1[1:0]=pad` + - pad + - pad + * - start + offset + 4: + - Q'\ :sub:`1[13:6]` + - Q'\ :sub:`1[5:0]; B1[1:0]=pad` + - pad + - pad diff --git a/Documentation/media/uapi/v4l/pixfmt-sdr-pcu18be.rst b/Documentation/media/uapi/v4l/pixfmt-sdr-pcu18be.rst new file mode 100644 index 000000000000..da8b26bf6b95 --- /dev/null +++ b/Documentation/media/uapi/v4l/pixfmt-sdr-pcu18be.rst @@ -0,0 +1,55 @@ +.. -*- coding: utf-8; mode: rst -*- + +.. _V4L2-SDR-FMT-PCU18BE: + +****************************** +V4L2_SDR_FMT_PCU18BE ('PC18') +****************************** + +Planar complex unsigned 18-bit big endian IQ sample + +Description +=========== + +This format contains a sequence of complex number samples. Each complex +number consist of two parts called In-phase and Quadrature (IQ). Both I +and Q are represented as a 18 bit unsigned big endian number stored in +32 bit space. The remaining unused bits within the 32 bit space will be +padded with 0. I value starts first and Q value starts at an offset +equalling half of the buffer size (i.e.) offset = buffersize/2. Out of +the 18 bits, bit 17:2 (16 bit) is data and bit 1:0 (2 bit) can be any +value. + +**Byte Order.** +Each cell is one byte. + +.. flat-table:: + :header-rows: 1 + :stub-columns: 0 + + * - Offset: + - Byte B0 + - Byte B1 + - Byte B2 + - Byte B3 + * - start + 0: + - I'\ :sub:`0[17:10]` + - I'\ :sub:`0[9:2]` + - I'\ :sub:`0[1:0]; B2[5:0]=pad` + - pad + * - start + 4: + - I'\ :sub:`1[17:10]` + - I'\ :sub:`1[9:2]` + - I'\ :sub:`1[1:0]; B2[5:0]=pad` + - pad + * - ... + * - start + offset: + - Q'\ :sub:`0[17:10]` + - Q'\ :sub:`0[9:2]` + - Q'\ :sub:`0[1:0]; B2[5:0]=pad` + - pad + * - start + offset + 4: + - Q'\ :sub:`1[17:10]` + - Q'\ :sub:`1[9:2]` + - Q'\ :sub:`1[1:0]; B2[5:0]=pad` + - pad diff --git a/Documentation/media/uapi/v4l/pixfmt-sdr-pcu20be.rst b/Documentation/media/uapi/v4l/pixfmt-sdr-pcu20be.rst new file mode 100644 index 000000000000..5499eed39477 --- /dev/null +++ b/Documentation/media/uapi/v4l/pixfmt-sdr-pcu20be.rst @@ -0,0 +1,54 @@ +.. -*- coding: utf-8; mode: rst -*- +.. _V4L2-SDR-FMT-PCU20BE: + +****************************** +V4L2_SDR_FMT_PCU20BE ('PC20') +****************************** + +Planar complex unsigned 20-bit big endian IQ sample + +Description +=========== + +This format contains a sequence of complex number samples. Each complex +number consist of two parts called In-phase and Quadrature (IQ). Both I +and Q are represented as a 20 bit unsigned big endian number stored in +32 bit space. The remaining unused bits within the 32 bit space will be +padded with 0. I value starts first and Q value starts at an offset +equalling half of the buffer size (i.e.) offset = buffersize/2. Out of +the 20 bits, bit 19:2 (18 bit) is data and bit 1:0 (2 bit) can be any +value. + +**Byte Order.** +Each cell is one byte. + +.. flat-table:: + :header-rows: 1 + :stub-columns: 0 + + * - Offset: + - Byte B0 + - Byte B1 + - Byte B2 + - Byte B3 + * - start + 0: + - I'\ :sub:`0[19:12]` + - I'\ :sub:`0[11:4]` + - I'\ :sub:`0[3:0]; B2[3:0]=pad` + - pad + * - start + 4: + - I'\ :sub:`1[19:12]` + - I'\ :sub:`1[11:4]` + - I'\ :sub:`1[3:0]; B2[3:0]=pad` + - pad + * - ... + * - start + offset: + - Q'\ :sub:`0[19:12]` + - Q'\ :sub:`0[11:4]` + - Q'\ :sub:`0[3:0]; B2[3:0]=pad` + - pad + * - start + offset + 4: + - Q'\ :sub:`1[19:12]` + - Q'\ :sub:`1[11:4]` + - Q'\ :sub:`1[3:0]; B2[3:0]=pad` + - pad diff --git a/Documentation/media/uapi/v4l/sdr-formats.rst b/Documentation/media/uapi/v4l/sdr-formats.rst index f863c08f1add..2037f5bad727 100644 --- a/Documentation/media/uapi/v4l/sdr-formats.rst +++ b/Documentation/media/uapi/v4l/sdr-formats.rst @@ -17,3 +17,6 @@ These formats are used for :ref:`SDR ` interface only. pixfmt-sdr-cs08 pixfmt-sdr-cs14le pixfmt-sdr-ru12le + pixfmt-sdr-pcu16be + pixfmt-sdr-pcu18be + pixfmt-sdr-pcu20be