From patchwork Wed Mar 3 11:39:47 2021 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Gaignard X-Patchwork-Id: 12113423 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-16.8 required=3.0 tests=BAYES_00, HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_CR_TRAILER,INCLUDES_PATCH, MAILING_LIST_MULTI,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED,USER_AGENT_GIT autolearn=ham autolearn_force=no version=3.4.0 Received: from mail.kernel.org (mail.kernel.org [198.145.29.99]) by smtp.lore.kernel.org (Postfix) with ESMTP id 56E3AC4332D for ; Wed, 3 Mar 2021 12:57:43 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id F190764EBB for ; Wed, 3 Mar 2021 12:57:42 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1443498AbhCCMOk (ORCPT ); Wed, 3 Mar 2021 07:14:40 -0500 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:54856 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S233747AbhCCLmu (ORCPT ); Wed, 3 Mar 2021 06:42:50 -0500 Received: from bhuna.collabora.co.uk (bhuna.collabora.co.uk [IPv6:2a00:1098:0:82:1000:25:2eeb:e3e3]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 0F6D7C06178C; Wed, 3 Mar 2021 03:40:25 -0800 (PST) Received: from localhost.localdomain (unknown [IPv6:2a01:e0a:4cb:a870:2035:1dcd:21c7:b3af]) (using TLSv1.2 with cipher ECDHE-RSA-AES128-GCM-SHA256 (128/128 bits)) (No client certificate requested) (Authenticated sender: benjamin.gaignard) by bhuna.collabora.co.uk (Postfix) with ESMTPSA id D67AC1F45C2E; Wed, 3 Mar 2021 11:40:22 +0000 (GMT) From: Benjamin Gaignard To: ezequiel@collabora.com, p.zabel@pengutronix.de, mchehab@kernel.org, robh+dt@kernel.org, shawnguo@kernel.org, s.hauer@pengutronix.de, kernel@pengutronix.de, festevam@gmail.com, linux-imx@nxp.com, gregkh@linuxfoundation.org, mripard@kernel.org, paul.kocialkowski@bootlin.com, wens@csie.org, jernej.skrabec@siol.net, peng.fan@nxp.com, hverkuil-cisco@xs4all.nl, dan.carpenter@oracle.com Cc: linux-media@vger.kernel.org, linux-rockchip@lists.infradead.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, kernel@collabora.com, Benjamin Gaignard Subject: [PATCH v4 06/11] media: uapi: Add a control for HANTRO driver Date: Wed, 3 Mar 2021 12:39:47 +0100 Message-Id: <20210303113952.178519-7-benjamin.gaignard@collabora.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20210303113952.178519-1-benjamin.gaignard@collabora.com> References: <20210303113952.178519-1-benjamin.gaignard@collabora.com> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org The Hantro hevc driver needs to know the number of bits to skip at the beginning of the slice header. That is a hardware specific requirement so create a dedicated control that this purpose. Signed-off-by: Benjamin Gaignard --- version 4: - The control is now an integer which is enough to provide the numbers of bits to skip. version 3: - Fix typo in field name Documentation/userspace-api/media/drivers/hantro.rst | 10 ++++++++++ Documentation/userspace-api/media/drivers/index.rst | 1 + include/uapi/linux/v4l2-controls.h | 5 +++++ 3 files changed, 16 insertions(+) create mode 100644 Documentation/userspace-api/media/drivers/hantro.rst diff --git a/Documentation/userspace-api/media/drivers/hantro.rst b/Documentation/userspace-api/media/drivers/hantro.rst new file mode 100644 index 000000000000..655b0c5f5d5c --- /dev/null +++ b/Documentation/userspace-api/media/drivers/hantro.rst @@ -0,0 +1,10 @@ +.. SPDX-License-Identifier: GPL-2.0 + +Hantro video decoder driver +=========================== + +The Hantro video decoder driver implements the following driver-specific controls: + +``V4L2_CID_HANTRO_HEVC_SLICE_HEADER_SKIP (integer)`` + Specifies to Hantro HEVC video decoder driver the number of data (in bits) to + skip in the slice segment header syntax after 'slice type' token. diff --git a/Documentation/userspace-api/media/drivers/index.rst b/Documentation/userspace-api/media/drivers/index.rst index 1a9038f5f9fa..12e3c512d718 100644 --- a/Documentation/userspace-api/media/drivers/index.rst +++ b/Documentation/userspace-api/media/drivers/index.rst @@ -33,6 +33,7 @@ For more details see the file COPYING in the source distribution of Linux. ccs cx2341x-uapi + hantro imx-uapi max2175 meye-uapi diff --git a/include/uapi/linux/v4l2-controls.h b/include/uapi/linux/v4l2-controls.h index 039c0d7add1b..ced7486c7f46 100644 --- a/include/uapi/linux/v4l2-controls.h +++ b/include/uapi/linux/v4l2-controls.h @@ -209,6 +209,11 @@ enum v4l2_colorfx { * We reserve 128 controls for this driver. */ #define V4L2_CID_USER_CCS_BASE (V4L2_CID_USER_BASE + 0x10f0) +/* + * The base for HANTRO driver controls. + * We reserve 32 controls for this driver. + */ +#define V4L2_CID_USER_HANTRO_BASE (V4L2_CID_USER_BASE + 0x1170) /* MPEG-class control IDs */ /* The MPEG controls are applicable to all codec controls