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client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by BN3PEPF0000B371.mail.protection.outlook.com (10.167.243.168) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8880.0 via Frontend Transport; Wed, 18 Jun 2025 09:20:50 +0000 Received: from 555e2b870847.amd.com (10.180.168.240) by SATLEXMB04.amd.com (10.181.40.145) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.1.2507.39; Wed, 18 Jun 2025 04:20:46 -0500 From: Bin Du To: , , , , , , , CC: , , , , , , , , "Bin Du" Subject: [PATCH v2 8/8] Documentation: add documentation of AMD isp 4 driver Date: Wed, 18 Jun 2025 17:19:59 +0800 Message-ID: <20250618091959.68293-9-Bin.Du@amd.com> X-Mailer: git-send-email 2.34.1 In-Reply-To: <20250618091959.68293-1-Bin.Du@amd.com> References: <20250618091959.68293-1-Bin.Du@amd.com> Precedence: bulk X-Mailing-List: linux-media@vger.kernel.org List-Id: List-Subscribe: List-Unsubscribe: MIME-Version: 1.0 X-ClientProxiedBy: SATLEXMB04.amd.com (10.181.40.145) To SATLEXMB04.amd.com (10.181.40.145) X-EOPAttributedMessage: 0 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: BN3PEPF0000B371:EE_|MN2PR12MB4488:EE_ X-MS-Office365-Filtering-Correlation-Id: bcc2a434-e717-4618-bcf9-08ddae496ab3 X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; 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CTRY:US; LANG:en; SCL:1; SRV:; IPV:CAL; SFV:NSPM; H:SATLEXMB04.amd.com; PTR:InfoDomainNonexistent; CAT:NONE; SFS:(13230040)(376014)(1800799024)(36860700013)(82310400026); DIR:OUT; SFP:1101; X-OriginatorOrg: amd.com X-MS-Exchange-CrossTenant-OriginalArrivalTime: 18 Jun 2025 09:20:50.2067 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: bcc2a434-e717-4618-bcf9-08ddae496ab3 X-MS-Exchange-CrossTenant-Id: 3dd8961f-e488-4e60-8e11-a82d994e183d X-MS-Exchange-CrossTenant-OriginalAttributedTenantConnectingIp: TenantId=3dd8961f-e488-4e60-8e11-a82d994e183d; Ip=[165.204.84.17]; Helo=[SATLEXMB04.amd.com] X-MS-Exchange-CrossTenant-AuthSource: BN3PEPF0000B371.namprd21.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MN2PR12MB4488 Add documentation for AMD isp 4 and describe the main components Signed-off-by: Bin Du Signed-off-by: Svetoslav Stoilov --- Documentation/admin-guide/media/amdisp4-1.rst | 64 +++++++++++++++++++ Documentation/admin-guide/media/amdisp4.dot | 8 +++ MAINTAINERS | 2 + 3 files changed, 74 insertions(+) create mode 100644 Documentation/admin-guide/media/amdisp4-1.rst create mode 100644 Documentation/admin-guide/media/amdisp4.dot diff --git a/Documentation/admin-guide/media/amdisp4-1.rst b/Documentation/admin-guide/media/amdisp4-1.rst new file mode 100644 index 000000000000..417b15af689a --- /dev/null +++ b/Documentation/admin-guide/media/amdisp4-1.rst @@ -0,0 +1,64 @@ +.. SPDX-License-Identifier: GPL-2.0 + +.. include:: + +==================================== +AMD Image Signal Processor (amdisp4) +==================================== + +Introduction +============ + +This file documents the driver for the AMD ISP4 that is part of +AMD Ryzen AI Max 385 SoC. + +The driver is located under drivers/media/platform/amd/isp4 and uses +the Media-Controller API. + +Topology +======== + +.. _amdisp4_topology_graph: + +.. kernel-figure:: amdisp4.dot + :alt: Diagram of the media pipeline topology + :align: center + + + +The driver has 1 sub-device: + +- isp: used to resize and process bayer raw frames in to yuv. + +The driver has 1 video device: + +- n00000004 [style=bold] + n00000004 [label="Preview\n/dev/video0", shape=box, style=filled, fillcolor=yellow] + n0000000a [label="{{} | ov05c10 22-0010\n/dev/v4l-subdev0 | { 0}}", shape=Mrecord, style=filled, fillcolor=green] + n0000000a:port0 -> n00000001:port0 [style=bold] +} diff --git a/MAINTAINERS b/MAINTAINERS index 15070afb14b5..e4455bde376f 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1113,6 +1113,8 @@ M: Nirujogi Pratap L: linux-media@vger.kernel.org S: Maintained T: git git://linuxtv.org/media.git +F: Documentation/admin-guide/media/amdisp4-1.rst +F: Documentation/admin-guide/media/amdisp4.dot F: drivers/media/platform/amd/Kconfig F: drivers/media/platform/amd/Makefile F: drivers/media/platform/amd/isp4/*