From patchwork Thu May 12 07:40:35 2022 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Benjamin Mugnier X-Patchwork-Id: 572440 Return-Path: X-Spam-Checker-Version: SpamAssassin 3.4.0 (2014-02-07) on aws-us-west-2-korg-lkml-1.web.codeaurora.org Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by smtp.lore.kernel.org (Postfix) with ESMTP id 3B97AC433EF for ; Thu, 12 May 2022 07:43:04 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1351122AbiELHnD (ORCPT ); Thu, 12 May 2022 03:43:03 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:35822 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1351119AbiELHnB (ORCPT ); Thu, 12 May 2022 03:43:01 -0400 Received: from mx07-00178001.pphosted.com (mx08-00178001.pphosted.com [91.207.212.93]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 690181A15D7 for ; Thu, 12 May 2022 00:43:00 -0700 (PDT) Received: from pps.filterd (m0046661.ppops.net [127.0.0.1]) by mx07-00178001.pphosted.com (8.17.1.5/8.17.1.5) with ESMTP id 24C1bPNh016797; Thu, 12 May 2022 09:42:55 +0200 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=foss.st.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=selector1; bh=Dk4jB0qOiGtssuTmZb1vAWn4iphmwptwfFSFrB7k0a4=; b=H6JU/BnKFEYNqnpM4UvO0jTZOuVSwxK2a8/7HElVDI4Q7yzpfrTXEvGt2jg+eWkRhSkG nB6pKA6JPoJCznTJ94ki6pTf7nqNYI1pr+h3Tp9nY8fy4r0pev+hLgwd8xvq9cZgdUHD 6GtRdPkWywvqOb3WqiyDR3lM4NZ+cg7Z60VRS2ljkFzntmlpOpUcm9s984I7Oe4O4FQi bLvZNnJC3CtIo4eccQUXDAciKiiojmTUIQkXMH5CBgK3GnMAr6t4ZjJWmBVZsRCVqpaP HiR/nV+91xkuWk4hGc+JnZ9At+Zzw+3Ihe/7KZPzOtsHX6/gIwaXpM9HWG5l23Ephh/v kw== Received: from beta.dmz-eu.st.com (beta.dmz-eu.st.com [164.129.1.35]) by mx07-00178001.pphosted.com (PPS) with ESMTPS id 3g083hyy6p-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 12 May 2022 09:42:55 +0200 Received: from euls16034.sgp.st.com (euls16034.sgp.st.com [10.75.44.20]) by beta.dmz-eu.st.com (STMicroelectronics) with ESMTP id ACB6010003A; Thu, 12 May 2022 09:42:14 +0200 (CEST) Received: from Webmail-eu.st.com (sfhdag2node3.st.com [10.75.127.6]) by euls16034.sgp.st.com (STMicroelectronics) with ESMTP id A60C721683D; Thu, 12 May 2022 09:42:14 +0200 (CEST) Received: from localhost (10.75.127.51) by SFHDAG2NODE3.st.com (10.75.127.6) with Microsoft SMTP Server (TLS) id 15.0.1497.26; Thu, 12 May 2022 09:42:14 +0200 From: Benjamin Mugnier To: CC: , , , , , , , Benjamin Mugnier Subject: [PATCH v3 3/5] media: uapi: Add ST VGXY61 header file Date: Thu, 12 May 2022 09:40:35 +0200 Message-ID: <20220512074037.3829926-4-benjamin.mugnier@foss.st.com> X-Mailer: git-send-email 2.25.1 In-Reply-To: <20220512074037.3829926-1-benjamin.mugnier@foss.st.com> References: <20220512074037.3829926-1-benjamin.mugnier@foss.st.com> MIME-Version: 1.0 X-Originating-IP: [10.75.127.51] X-ClientProxiedBy: SFHDAG2NODE3.st.com (10.75.127.6) To SFHDAG2NODE3.st.com (10.75.127.6) X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.205,Aquarius:18.0.858,Hydra:6.0.486,FMLib:17.11.64.514 definitions=2022-05-11_07,2022-05-12_01,2022-02-23_01 Precedence: bulk List-ID: X-Mailing-List: linux-media@vger.kernel.org Define an HDR control in it, and adds its documentation in st-vgxy61.rst file. Signed-off-by: Benjamin Mugnier --- .../userspace-api/media/drivers/st-vgxy61.rst | 23 +++++++++++++++++++ include/uapi/linux/st-vgxy61.h | 15 ++++++++++++ 2 files changed, 38 insertions(+) create mode 100644 Documentation/userspace-api/media/drivers/st-vgxy61.rst create mode 100644 include/uapi/linux/st-vgxy61.h diff --git a/Documentation/userspace-api/media/drivers/st-vgxy61.rst b/Documentation/userspace-api/media/drivers/st-vgxy61.rst new file mode 100644 index 000000000000..7a11adbb558f --- /dev/null +++ b/Documentation/userspace-api/media/drivers/st-vgxy61.rst @@ -0,0 +1,23 @@ +.. SPDX-License-Identifier: GPL-2.0 + +ST VGXY61 camera sensor driver +============================== + +The ST VGXY61 driver implements the following driver-specific controls: + +``V4L2_CID_STVGXY61_HDR`` +------------------------------- + Change the sensor HDR mode. A HDR picture is obtained by merging two captures of the same scene + using two different exposure periods. + +.. flat-table:: + :header-rows: 0 + :stub-columns: 0 + :widths: 1 4 + + * - HDR linearize + - The merger outputs a long exposure capture as long as it is not saturated. + * - HDR substraction + - This involves subtracting the short exposure frame from the long exposure frame. + * - "no HDR" + - This mode is used for standard dynamic range (SDR) exposures. diff --git a/include/uapi/linux/st-vgxy61.h b/include/uapi/linux/st-vgxy61.h new file mode 100644 index 000000000000..fbabe2cb64ac --- /dev/null +++ b/include/uapi/linux/st-vgxy61.h @@ -0,0 +1,15 @@ +/* SPDX-License-Identifier: GPL-2.0 */ +/* + * Copyright (C) 2022 STMicroelectronics SA + * + */ + +#ifndef __UAPI_STVGXY61_H_ +#define __UAPI_STVGXY61_H_ + +#include + +/* Control HDR mode */ +#define V4L2_CID_STVGXY61_HDR (V4L2_CID_USER_STVGXY61_BASE + 0) + +#endif /* __UAPI_STVGXY61_H_ */