From patchwork Tue Jun 28 03:29:44 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Marvin Lin X-Patchwork-Id: 84378 X-Patchwork-Delegate: hverkuil@xs4all.nl Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1o61vi-005C1b-FR; Tue, 28 Jun 2022 03:30:22 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S241768AbiF1DaV (ORCPT + 1 other); Mon, 27 Jun 2022 23:30:21 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:49974 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S241808AbiF1DaK (ORCPT ); Mon, 27 Jun 2022 23:30:10 -0400 Received: from mail-pg1-x52b.google.com (mail-pg1-x52b.google.com [IPv6:2607:f8b0:4864:20::52b]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 7E56F10B3; Mon, 27 Jun 2022 20:30:07 -0700 (PDT) Received: by mail-pg1-x52b.google.com with SMTP id s206so1926715pgs.3; Mon, 27 Jun 2022 20:30:07 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20210112; h=from:to:cc:subject:date:message-id:in-reply-to:references; bh=W3bZk2RgbGLiBzgiA1wbLysvDZIqXxx7I9gmSpoK2zk=; b=MDWvp+TxcAxrHdw2YpeOw9EiPGyZbOwhZHSo24Z/oE92Uua2OgT00dC0uX3PnYg+RE +Z3Yot4IElLd4yoFharoL1N0JQiDZmRPGvEWKuFUG9jPOfpjJcdtOKh/OyE2mLXM6dtg VVw3t+D6IGI3PVIYP6B62ODKads1b25l1jcg4OMJXIW0JgK41BSid2ivuFUl4nGKbvTZ qHkMPel/r6exw2ZVbM6VpjaY6BSHNgodO3LxvyxHpSxRksyuF8caQihyz0PkvIlZujaq tCOYfedlPkGcuMQTqNahyU9RV2ESBDHswNAoPhWaFW6hRQgxyNUyJ8CtIMULsx98c0bo lyMg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20210112; h=x-gm-message-state:from:to:cc:subject:date:message-id:in-reply-to :references; bh=W3bZk2RgbGLiBzgiA1wbLysvDZIqXxx7I9gmSpoK2zk=; b=ZEhkbRj3vCjBKO5rm4nxHOmiyUTobRAOFYBP41F1SFdQNDuf8KTAicded60dmOcR4J OxaPCIkGpqp0IxilKx6Y9GMkOzvYH3ocdTmQVINANJdNyF7E0S8LTtLse9iC+D6c7baG TJp83wUg4noLnruJXocIwEX20ycXNciqUelPsb2/x6BC8dBgyEBFOnttxGE7ISNM1lD9 iikPLauYwVHw3BP9r0wRQ6/KELK0U1coMbR90b+LSiqzzF6hSlJ4CK/Gs95pxwN7oYyw VM963c6TBj1Ty+DxfsTTfrmgndunIuuiSpvLStMJKnQf0aAhdc1EqmfzPLZ69TcKYKdH iefQ== X-Gm-Message-State: AJIora9/MUx5Inv+ksMMZoars+hxLEOe64rqONpesrFDvUK9zA41R5Oj 0dIbLCgpVxQrV1dXmx3msAM= X-Google-Smtp-Source: AGRyM1tpSIi4cBAh4zH9J3H3Eoas6lqsynjOBMQw65BS1WTC88a4vjTTST4l/Nok1705u7T88gThJg== X-Received: by 2002:a63:33ce:0:b0:40c:5487:6e6d with SMTP id z197-20020a6333ce000000b0040c54876e6dmr15984393pgz.135.1656387006937; Mon, 27 Jun 2022 20:30:06 -0700 (PDT) Received: from localhost.localdomain (60-250-192-107.hinet-ip.hinet.net. [60.250.192.107]) by smtp.gmail.com with ESMTPSA id c26-20020a62e81a000000b0050dc762816dsm8091160pfi.71.2022.06.27.20.30.04 (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Mon, 27 Jun 2022 20:30:06 -0700 (PDT) From: Marvin Lin To: mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org Cc: openbmc@lists.ozlabs.org, avifishman70@gmail.com, tmaimon77@gmail.com, tali.perry1@gmail.com, kwliu@nuvoton.com, kflin@nuvoton.com, Marvin Lin Subject: [RESEND PATCH v4 4/5] media: Add HEXTILE compressed format Date: Tue, 28 Jun 2022 11:29:44 +0800 Message-Id: <20220628032945.15410-5-milkfafa@gmail.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20220628032945.15410-1-milkfafa@gmail.com> References: <20220628032945.15410-1-milkfafa@gmail.com> X-Spam-Status: No, score=-2.1 required=5.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,DKIM_VALID_EF,FREEMAIL_FROM, RCVD_IN_DNSWL_NONE,SPF_HELO_NONE,SPF_PASS,T_SCC_BODY_TEXT_LINE autolearn=ham autolearn_force=no version=3.4.6 X-Spam-Checker-Version: SpamAssassin 3.4.6 (2021-04-09) on lindbergh.monkeyblade.net Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org X-LSpam-Score: -2.5 (--) X-LSpam-Report: No, score=-2.5 required=5.0 tests=BAYES_00=-1.9,DKIM_SIGNED=0.1,DKIM_VALID=-0.1,DKIM_VALID_AU=-0.1,FREEMAIL_FORGED_FROMDOMAIN=0.001,FREEMAIL_FROM=0.001,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no Add HEXTILE compressed format. This format is defined in Remote Framebuffer Protocol (RFC 6143) and is used by Encoding Compression Engine present on Nuvoton NPCM SoCs. Signed-off-by: Marvin Lin Reviewed-by: Nicolas Dufresne --- Documentation/userspace-api/media/v4l/pixfmt-reserved.rst | 7 +++++++ drivers/media/v4l2-core/v4l2-ioctl.c | 1 + include/uapi/linux/videodev2.h | 1 + 3 files changed, 9 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/pixfmt-reserved.rst b/Documentation/userspace-api/media/v4l/pixfmt-reserved.rst index cabfa34b7db5..bad2b9a2f16e 100644 --- a/Documentation/userspace-api/media/v4l/pixfmt-reserved.rst +++ b/Documentation/userspace-api/media/v4l/pixfmt-reserved.rst @@ -239,6 +239,13 @@ please make a proposal on the linux-media mailing list. It remains an opaque intermediate format and the MDP hardware must be used to convert ``V4L2_PIX_FMT_MT21C`` to ``V4L2_PIX_FMT_NV12M``, ``V4L2_PIX_FMT_YUV420M`` or ``V4L2_PIX_FMT_YVU420``. + * .. _V4L2-PIX-FMT-HEXTILE: + + - ``V4L2_PIX_FMT_HEXTILE`` + - 'HXTL' + - Compressed format used by Nuvoton NPCM video driver. This format is + defined in Remote Framebuffer Protocol (RFC 6143, chapter 7.7.4 Hextile + Encoding). .. raw:: latex \normalsize diff --git a/drivers/media/v4l2-core/v4l2-ioctl.c b/drivers/media/v4l2-core/v4l2-ioctl.c index 96e307fe3aab..9365519d65bb 100644 --- a/drivers/media/v4l2-core/v4l2-ioctl.c +++ b/drivers/media/v4l2-core/v4l2-ioctl.c @@ -1441,6 +1441,7 @@ static void v4l_fill_fmtdesc(struct v4l2_fmtdesc *fmt) case V4L2_PIX_FMT_SE401: descr = "GSPCA SE401"; break; case V4L2_PIX_FMT_S5C_UYVY_JPG: descr = "S5C73MX interleaved UYVY/JPEG"; break; case V4L2_PIX_FMT_MT21C: descr = "Mediatek Compressed Format"; break; + case V4L2_PIX_FMT_HEXTILE: descr = "Hextile Compressed Format"; break; default: if (fmt->description[0]) return; diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 3768a0a80830..1c7af015b43b 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -746,6 +746,7 @@ struct v4l2_pix_format { #define V4L2_PIX_FMT_INZI v4l2_fourcc('I', 'N', 'Z', 'I') /* Intel Planar Greyscale 10-bit and Depth 16-bit */ #define V4L2_PIX_FMT_CNF4 v4l2_fourcc('C', 'N', 'F', '4') /* Intel 4-bit packed depth confidence information */ #define V4L2_PIX_FMT_HI240 v4l2_fourcc('H', 'I', '2', '4') /* BTTV 8-bit dithered RGB */ +#define V4L2_PIX_FMT_HEXTILE v4l2_fourcc('H', 'X', 'T', 'L') /* Hextile compression */ /* 10bit raw bayer packed, 32 bytes for every 25 pixels, last LSB 6 bits unused */ #define V4L2_PIX_FMT_IPU3_SBGGR10 v4l2_fourcc('i', 'p', '3', 'b') /* IPU3 packed 10-bit BGGR bayer */