From patchwork Wed Sep 20 09:32:45 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Shengjiu Wang X-Patchwork-Id: 94882 Received: from vger.kernel.org ([23.128.96.18]) by www.linuxtv.org with esmtp (Exim 4.92) (envelope-from ) id 1qiu9n-0099vW-M2; Wed, 20 Sep 2023 10:10:07 +0000 Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S234287AbjITKKK (ORCPT + 1 other); Wed, 20 Sep 2023 06:10:10 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:41518 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S234262AbjITKKD (ORCPT ); Wed, 20 Sep 2023 06:10:03 -0400 Received: from inva021.nxp.com (inva021.nxp.com [92.121.34.21]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 129E6CA; Wed, 20 Sep 2023 03:09:57 -0700 (PDT) Received: from inva021.nxp.com (localhost [127.0.0.1]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 9B37F200B9B; Wed, 20 Sep 2023 12:09:56 +0200 (CEST) Received: from aprdc01srsp001v.ap-rdc01.nxp.com (aprdc01srsp001v.ap-rdc01.nxp.com [165.114.16.16]) by inva021.eu-rdc02.nxp.com (Postfix) with ESMTP id 62489200B96; Wed, 20 Sep 2023 12:09:56 +0200 (CEST) Received: from localhost.localdomain (shlinux2.ap.freescale.net [10.192.224.44]) by aprdc01srsp001v.ap-rdc01.nxp.com (Postfix) with ESMTP id 7B1581820F59; Wed, 20 Sep 2023 18:09:54 +0800 (+08) From: Shengjiu Wang To: hverkuil@xs4all.nl, sakari.ailus@iki.fi, tfiga@chromium.org, m.szyprowski@samsung.com, mchehab@kernel.org, linux-media@vger.kernel.org, linux-kernel@vger.kernel.org, shengjiu.wang@gmail.com, Xiubo.Lee@gmail.com, festevam@gmail.com, nicoleotsuka@gmail.com, lgirdwood@gmail.com, broonie@kernel.org, perex@perex.cz, tiwai@suse.com, alsa-devel@alsa-project.org, linuxppc-dev@lists.ozlabs.org Subject: [RFC PATCH v4 06/11] media: uapi: Add V4L2_CAP_AUDIO_M2M capability flag Date: Wed, 20 Sep 2023 17:32:45 +0800 Message-Id: <1695202370-24678-7-git-send-email-shengjiu.wang@nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1695202370-24678-1-git-send-email-shengjiu.wang@nxp.com> References: <1695202370-24678-1-git-send-email-shengjiu.wang@nxp.com> X-Virus-Scanned: ClamAV using ClamSMTP X-Spam-Status: No, score=-1.9 required=5.0 tests=BAYES_00, RCVD_IN_DNSWL_BLOCKED,SPF_HELO_NONE,SPF_PASS 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: -2.4 (--) X-LSpam-Report: No, score=-2.4 required=5.0 tests=BAYES_00=-1.9,HEADER_FROM_DIFFERENT_DOMAINS=0.5,MAILING_LIST_MULTI=-1 autolearn=ham autolearn_force=no V4L2_CAP_AUDIO_M2M is similar to V4L2_CAP_VIDEO_M2M flag. It is used for audio memory to memory case. Signed-off-by: Shengjiu Wang --- Documentation/userspace-api/media/v4l/vidioc-querycap.rst | 3 +++ Documentation/userspace-api/media/videodev2.h.rst.exceptions | 1 + include/uapi/linux/videodev2.h | 1 + 3 files changed, 5 insertions(+) diff --git a/Documentation/userspace-api/media/v4l/vidioc-querycap.rst b/Documentation/userspace-api/media/v4l/vidioc-querycap.rst index 6c57b8428356..0b3cefefc86b 100644 --- a/Documentation/userspace-api/media/v4l/vidioc-querycap.rst +++ b/Documentation/userspace-api/media/v4l/vidioc-querycap.rst @@ -259,6 +259,9 @@ specification the ioctl returns an ``EINVAL`` error code. video topology configuration, including which I/O entity is routed to the input/output, is configured by userspace via the Media Controller. See :ref:`media_controller`. + * - ``V4L2_CAP_AUDIO_M2M`` + - 0x40000000 + - The device supports the audio Memory-To-Memory interface. * - ``V4L2_CAP_DEVICE_CAPS`` - 0x80000000 - The driver fills the ``device_caps`` field. This capability can diff --git a/Documentation/userspace-api/media/videodev2.h.rst.exceptions b/Documentation/userspace-api/media/videodev2.h.rst.exceptions index 3e58aac4ef0b..da6d0b8e4c2c 100644 --- a/Documentation/userspace-api/media/videodev2.h.rst.exceptions +++ b/Documentation/userspace-api/media/videodev2.h.rst.exceptions @@ -197,6 +197,7 @@ replace define V4L2_CAP_META_OUTPUT device-capabilities replace define V4L2_CAP_DEVICE_CAPS device-capabilities replace define V4L2_CAP_TOUCH device-capabilities replace define V4L2_CAP_IO_MC device-capabilities +replace define V4L2_CAP_AUDIO_M2M device-capabilities # V4L2 pix flags replace define V4L2_PIX_FMT_PRIV_MAGIC :c:type:`v4l2_pix_format` diff --git a/include/uapi/linux/videodev2.h b/include/uapi/linux/videodev2.h index 78260e5d9985..3decf7d73870 100644 --- a/include/uapi/linux/videodev2.h +++ b/include/uapi/linux/videodev2.h @@ -508,6 +508,7 @@ struct v4l2_capability { #define V4L2_CAP_TOUCH 0x10000000 /* Is a touch device */ #define V4L2_CAP_IO_MC 0x20000000 /* Is input/output controlled by the media controller */ +#define V4L2_CAP_AUDIO_M2M 0x40000000 /* audio memory to memory */ #define V4L2_CAP_DEVICE_CAPS 0x80000000 /* sets device capabilities field */