From patchwork Wed Jun 18 09:19:52 2025 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: "Du, Bin" X-Patchwork-Id: 897814 Received: from NAM02-SN1-obe.outbound.protection.outlook.com (mail-sn1nam02on2041.outbound.protection.outlook.com [40.107.96.41]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.subspace.kernel.org (Postfix) with ESMTPS id 5F4E6280A5C; Wed, 18 Jun 2025 09:20:27 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=fail smtp.client-ip=40.107.96.41 ARC-Seal: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750238430; cv=fail; b=FoiCIAifQuGT3mFKyXhTSpz+Eno2rAmdXcXMB4/p+1ZbKxLKPRys7reECIuMb8hKYBKUkaHnp3gebNG8MMQiL00cP+bEThq8WLwg9x+FPqFleAdcZSJpc9vfaSQpZowbdOCjUaTc8xr+MD5Q6uMlbBnqcMa0X3VtlKd3mvaSQc0= ARC-Message-Signature: i=2; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1750238430; c=relaxed/simple; bh=jKBvG0D3TrwjDfwHpFOxI2jQHgz0fCw5u73jfKPHSM8=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=NEDguivAa7G+E2jM4ymSuEdXCa6YHgXDd89Zx09nFtQzDi0SGTFfqjU/xHwRJYwkD1WYQglS/gcrDFTLl1H/O6LYWV+cgjqo9mYSzRxrAMVrb6Y9RCXz7SuzQlUAxMiIMUJtxNSn2TDbo+FK1sprdWZPlV0WJRGkL2pLvsLTTfQ= ARC-Authentication-Results: i=2; smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com; spf=fail smtp.mailfrom=amd.com; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b=rt1qhkp+; arc=fail smtp.client-ip=40.107.96.41 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=quarantine dis=none) header.from=amd.com Authentication-Results: smtp.subspace.kernel.org; spf=fail smtp.mailfrom=amd.com Authentication-Results: smtp.subspace.kernel.org; dkim=pass (1024-bit key) header.d=amd.com header.i=@amd.com header.b="rt1qhkp+" ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=fkgNTCool1cZ+dsXQM6+QxgEg5YxNn6RkKpkhPDHAXqsJ9/pKhvdRkEjLA+6sAsBkEs+Ud6Z0+IpxhZUWpzy8gpJ5DSl079+lmWDb6i44rmW5NoTZtzNTFJ7VNWS/eXBlIL2yTJxFZkU+9UtNUTofhXjOi6DfO5jj7Xoro20+cOvMTKr4MjQSUVZdAB9zfHCzwKLLBRVMISmFNCIPcrJGS2qAOfHCClIbSKGwmM1VGVfV29IlySvKhcC/W3b2Uk9klbzyR29xNivwnQELUfmhBMmeA2NSKjSBRJsHvI/NCKH/RgjCpTO7+yPqV9aHA8pH0L2F81KXXXClSbwzxENPQ== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector10001; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-AntiSpam-MessageData-ChunkCount:X-MS-Exchange-AntiSpam-MessageData-0:X-MS-Exchange-AntiSpam-MessageData-1; bh=wnv8yxUavBN3iKeHK6VVhPbAKr/Rc9N6tJKjuZ8+tU0=; b=BWCWrO94hWWk5342QDCEDoUTVK3jkG9kDgktoD21r7zv0a3apdCd8nnasowkJjIHNjdBQllB1xNEnS3FaHcMyGy9y1sr1Kw2D0fMdHdJ/Lm29M4Xf3FxpHvmCUB3AK2+/ZwpukTe2++XoEPKIwEDtHo3cJY8mco8wtMRBiIdPr/fbg7sVzecBBcfdoQfWMxnso5nhhN/E6TdxveN3InYmVairFBQvQlBuA4ZSOPLMInAFbVbxvFn3JokCZOs1g72TMWs82WKhJtr+Dlafx51S29IAWH8Su/pkS/iOYqXY2r+TdpHKkwTz8ucWKzhibRSJNAVsK9njbtqbIcx0cBwHQ== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass (sender ip is 165.204.84.17) smtp.rcpttodomain=kernel.org smtp.mailfrom=amd.com; dmarc=pass (p=quarantine sp=quarantine pct=100) action=none header.from=amd.com; dkim=none (message not signed); arc=none (0) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=amd.com; s=selector1; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=wnv8yxUavBN3iKeHK6VVhPbAKr/Rc9N6tJKjuZ8+tU0=; b=rt1qhkp+CMIZsl+d0DvFw9NMV+E3FNXKde62x+WdDI9OcrUW8sUDhQUY4PqHCRD/Xq/v3ZAZR7LkJPf7iBFeE4NOb0bHGBhl9INgLlazrscvRIguLgrsCiQ96V6jKDnbcDQI9wdzohg2MRZuB8iwv/zZxXH2ZdrXcz8Z9gjURkc= Received: from DS7PR03CA0127.namprd03.prod.outlook.com (2603:10b6:5:3b4::12) by MW4PR12MB6952.namprd12.prod.outlook.com (2603:10b6:303:207::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.8835.26; Wed, 18 Jun 2025 09:20:22 +0000 Received: from CY4PEPF0000EE37.namprd05.prod.outlook.com (2603:10b6:5:3b4:cafe::a0) by DS7PR03CA0127.outlook.office365.com (2603:10b6:5:3b4::12) with Microsoft SMTP Server (version=TLS1_3, cipher=TLS_AES_256_GCM_SHA384) id 15.20.8835.23 via Frontend Transport; Wed, 18 Jun 2025 09:20:22 +0000 X-MS-Exchange-Authentication-Results: spf=pass (sender IP is 165.204.84.17) smtp.mailfrom=amd.com; dkim=none (message not signed) header.d=none;dmarc=pass action=none header.from=amd.com; Received-SPF: Pass (protection.outlook.com: domain of amd.com designates 165.204.84.17 as permitted sender) receiver=protection.outlook.com; client-ip=165.204.84.17; helo=SATLEXMB04.amd.com; pr=C Received: from SATLEXMB04.amd.com (165.204.84.17) by CY4PEPF0000EE37.mail.protection.outlook.com (10.167.242.43) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_GCM_SHA256) id 15.20.8857.21 via Frontend Transport; Wed, 18 Jun 2025 09:20:22 +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 04:20:17 -0500 From: Bin Du To: , , , , , , , CC: , , , , , , , , "Bin Du" Subject: [PATCH v2 1/8] media: platform: amd: Introduce amd isp4 capture driver Date: Wed, 18 Jun 2025 17:19:52 +0800 Message-ID: <20250618091959.68293-2-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: CY4PEPF0000EE37:EE_|MW4PR12MB6952:EE_ X-MS-Office365-Filtering-Correlation-Id: d94814cb-49a0-43c8-ebed-08ddae4959fc X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0; ARA:13230040|376014|1800799024|36860700013|82310400026; X-Microsoft-Antispam-Message-Info: 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 X-Forefront-Antispam-Report: CIP:165.204.84.17; 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 09:20:22.1192 (UTC) X-MS-Exchange-CrossTenant-Network-Message-Id: d94814cb-49a0-43c8-ebed-08ddae4959fc 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: CY4PEPF0000EE37.namprd05.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Anonymous X-MS-Exchange-CrossTenant-FromEntityHeader: HybridOnPrem X-MS-Exchange-Transport-CrossTenantHeadersStamped: MW4PR12MB6952 Amd isp4 capture is a v4l2 media device which implements media controller interface. It has one sub-device (amd ISP4 sub-device) endpoint which can be connected to a remote CSI2 TX endpoint. It supports only one physical interface for now. Also add ISP4 driver related entry info into the MAINAINERS file Signed-off-by: Bin Du Signed-off-by: Svetoslav Stoilov --- MAINTAINERS | 10 ++ drivers/media/platform/Kconfig | 1 + drivers/media/platform/Makefile | 1 + drivers/media/platform/amd/Kconfig | 17 +++ drivers/media/platform/amd/Makefile | 5 + drivers/media/platform/amd/isp4/Makefile | 21 ++++ drivers/media/platform/amd/isp4/isp4.c | 139 +++++++++++++++++++++++ drivers/media/platform/amd/isp4/isp4.h | 35 ++++++ 8 files changed, 229 insertions(+) create mode 100644 drivers/media/platform/amd/Kconfig create mode 100644 drivers/media/platform/amd/Makefile create mode 100644 drivers/media/platform/amd/isp4/Makefile create mode 100644 drivers/media/platform/amd/isp4/isp4.c create mode 100644 drivers/media/platform/amd/isp4/isp4.h diff --git a/MAINTAINERS b/MAINTAINERS index 10893c91b1c1..15070afb14b5 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -1107,6 +1107,16 @@ T: git git://git.kernel.org/pub/scm/linux/kernel/git/iommu/linux.git F: drivers/iommu/amd/ F: include/linux/amd-iommu.h +AMD ISP4 DRIVER +M: Bin Du +M: Nirujogi Pratap +L: linux-media@vger.kernel.org +S: Maintained +T: git git://linuxtv.org/media.git +F: drivers/media/platform/amd/Kconfig +F: drivers/media/platform/amd/Makefile +F: drivers/media/platform/amd/isp4/* + AMD KFD M: Felix Kuehling L: amd-gfx@lists.freedesktop.org diff --git a/drivers/media/platform/Kconfig b/drivers/media/platform/Kconfig index 85d2627776b6..d525c2262a7d 100644 --- a/drivers/media/platform/Kconfig +++ b/drivers/media/platform/Kconfig @@ -89,5 +89,6 @@ source "drivers/media/platform/ti/Kconfig" source "drivers/media/platform/verisilicon/Kconfig" source "drivers/media/platform/via/Kconfig" source "drivers/media/platform/xilinx/Kconfig" +source "drivers/media/platform/amd/Kconfig" endif # MEDIA_PLATFORM_DRIVERS diff --git a/drivers/media/platform/Makefile b/drivers/media/platform/Makefile index ace4e34483dd..9f3d1693868d 100644 --- a/drivers/media/platform/Makefile +++ b/drivers/media/platform/Makefile @@ -32,6 +32,7 @@ obj-y += ti/ obj-y += verisilicon/ obj-y += via/ obj-y += xilinx/ +obj-y += amd/ # Please place here only ancillary drivers that aren't SoC-specific # Please keep it alphabetically sorted by Kconfig name diff --git a/drivers/media/platform/amd/Kconfig b/drivers/media/platform/amd/Kconfig new file mode 100644 index 000000000000..3b1dba0400a0 --- /dev/null +++ b/drivers/media/platform/amd/Kconfig @@ -0,0 +1,17 @@ +# SPDX-License-Identifier: MIT + +config AMD_ISP4 + tristate "AMD ISP4 and camera driver" + default y + depends on VIDEO_DEV && VIDEO_V4L2_SUBDEV_API + select VIDEOBUF2_CORE + select VIDEOBUF2_V4L2 + select VIDEOBUF2_MEMOPS + select VIDEOBUF2_VMALLOC + select VIDEOBUF2_DMA_CONTIG + select VIDEOBUF2_DMA_SG + help + This is support for AMD ISP4 and camera subsystem driver. + Say Y here to enable the ISP4 and camera device for video capture. + To compile this driver as a module, choose M here. The module will + be called amd_capture. diff --git a/drivers/media/platform/amd/Makefile b/drivers/media/platform/amd/Makefile new file mode 100644 index 000000000000..76146efcd2bf --- /dev/null +++ b/drivers/media/platform/amd/Makefile @@ -0,0 +1,5 @@ +# Copyright 2024 Advanced Micro Devices, Inc. +# add isp block +ifneq ($(CONFIG_AMD_ISP4),) +obj-y += isp4/ +endif diff --git a/drivers/media/platform/amd/isp4/Makefile b/drivers/media/platform/amd/isp4/Makefile new file mode 100644 index 000000000000..e9e84160517d --- /dev/null +++ b/drivers/media/platform/amd/isp4/Makefile @@ -0,0 +1,21 @@ +# SPDX-License-Identifier: GPL-2.0+ +# +# Copyright (C) 2025 Advanced Micro Devices, Inc. + +obj-$(CONFIG_AMD_ISP4) += amd_capture.o +amd_capture-objs := isp4.o + +ccflags-y += -I$(srctree)/drivers/media/platform/amd/isp4 +ccflags-y += -I$(srctree)/include + +ifneq ($(call cc-option, -mpreferred-stack-boundary=4),) + cc_stack_align := -mpreferred-stack-boundary=4 +endif + +ccflags-y += $(cc_stack_align) +ccflags-y += -DCONFIG_COMPAT +ccflags-y += -Wunused-but-set-variable +ccflags-y += -Wmissing-include-dirs +ccflags-y += -Wunused-const-variable +ccflags-y += -Wmaybe-uninitialized +ccflags-y += -Wunused-value diff --git a/drivers/media/platform/amd/isp4/isp4.c b/drivers/media/platform/amd/isp4/isp4.c new file mode 100644 index 000000000000..d0be90c5ec3b --- /dev/null +++ b/drivers/media/platform/amd/isp4/isp4.c @@ -0,0 +1,139 @@ +// SPDX-License-Identifier: GPL-2.0+ +/* + * Copyright (C) 2025 Advanced Micro Devices, Inc. + */ + +#include +#include +#include + +#include "isp4.h" + +#define VIDEO_BUF_NUM 5 + +#define ISP4_DRV_NAME "amd_isp_capture" + +/* interrupt num */ +static const u32 isp4_ringbuf_interrupt_num[] = { + 0, /* ISP_4_1__SRCID__ISP_RINGBUFFER_WPT9 */ + 1, /* ISP_4_1__SRCID__ISP_RINGBUFFER_WPT10 */ + 3, /* ISP_4_1__SRCID__ISP_RINGBUFFER_WPT11 */ + 4, /* ISP_4_1__SRCID__ISP_RINGBUFFER_WPT12 */ +}; + +#define to_isp4_device(dev) \ + ((struct isp4_device *)container_of(dev, struct isp4_device, v4l2_dev)) + +static irqreturn_t isp4_irq_handler(int irq, void *arg) +{ + struct isp4_device *isp_dev = dev_get_drvdata((struct device *)arg); + + if (!isp_dev) + goto error_drv_data; + +error_drv_data: + return IRQ_HANDLED; +} + +/* + * amd capture module + */ +static int isp4_capture_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct isp4_device *isp_dev; + + int i, irq, ret; + + isp_dev = devm_kzalloc(&pdev->dev, sizeof(*isp_dev), GFP_KERNEL); + if (!isp_dev) + return -ENOMEM; + + isp_dev->pdev = pdev; + dev->init_name = ISP4_DRV_NAME; + + for (i = 0; i < ARRAY_SIZE(isp4_ringbuf_interrupt_num); i++) { + irq = platform_get_irq(pdev, isp4_ringbuf_interrupt_num[i]); + if (irq < 0) + return dev_err_probe(dev, -ENODEV, + "fail to get irq %d\n", + isp4_ringbuf_interrupt_num[i]); + ret = devm_request_irq(&pdev->dev, irq, isp4_irq_handler, 0, + "ISP_IRQ", &pdev->dev); + if (ret) + return dev_err_probe(dev, ret, "fail to req irq %d\n", + irq); + } + + isp_dev->pltf_data = pdev->dev.platform_data; + + dev_dbg(dev, "isp irq registration successful\n"); + + /* Link the media device within the v4l2_device */ + isp_dev->v4l2_dev.mdev = &isp_dev->mdev; + + /* Initialize media device */ + strscpy(isp_dev->mdev.model, "amd_isp41_mdev", + sizeof(isp_dev->mdev.model)); + snprintf(isp_dev->mdev.bus_info, sizeof(isp_dev->mdev.bus_info), + "platform:%s", ISP4_DRV_NAME); + isp_dev->mdev.dev = &pdev->dev; + media_device_init(&isp_dev->mdev); + + /* register v4l2 device */ + snprintf(isp_dev->v4l2_dev.name, sizeof(isp_dev->v4l2_dev.name), + "AMD-V4L2-ROOT"); + ret = v4l2_device_register(&pdev->dev, &isp_dev->v4l2_dev); + if (ret) + return dev_err_probe(dev, ret, + "fail register v4l2 device\n"); + + dev_dbg(dev, "AMD ISP v4l2 device registered\n"); + + ret = media_device_register(&isp_dev->mdev); + if (ret) { + dev_err(dev, "fail to register media device %d\n", ret); + goto err_unreg_v4l2; + } + + platform_set_drvdata(pdev, isp_dev); + + pm_runtime_set_suspended(dev); + pm_runtime_enable(dev); + + return 0; + +err_unreg_v4l2: + v4l2_device_unregister(&isp_dev->v4l2_dev); + + return dev_err_probe(dev, ret, "isp probe fail\n"); +} + +static void isp4_capture_remove(struct platform_device *pdev) +{ + struct isp4_device *isp_dev = platform_get_drvdata(pdev); + struct device *dev = &pdev->dev; + + media_device_unregister(&isp_dev->mdev); + v4l2_device_unregister(&isp_dev->v4l2_dev); + dev_dbg(dev, "AMD ISP v4l2 device unregistered\n"); +} + +static struct platform_driver isp4_capture_drv = { + .probe = isp4_capture_probe, + .remove = isp4_capture_remove, + .driver = { + .name = ISP4_DRV_NAME, + .owner = THIS_MODULE, + } +}; + +module_platform_driver(isp4_capture_drv); + +MODULE_ALIAS("platform:" ISP4_DRV_NAME); +MODULE_IMPORT_NS("DMA_BUF"); + +MODULE_DESCRIPTION("AMD ISP4 Driver"); +MODULE_AUTHOR("Bin Du "); +MODULE_AUTHOR("Pratap Nirujogi "); +MODULE_LICENSE("GPL"); diff --git a/drivers/media/platform/amd/isp4/isp4.h b/drivers/media/platform/amd/isp4/isp4.h new file mode 100644 index 000000000000..27a7362ce6f9 --- /dev/null +++ b/drivers/media/platform/amd/isp4/isp4.h @@ -0,0 +1,35 @@ +/* SPDX-License-Identifier: GPL-2.0+ */ +/* + * Copyright (C) 2025 Advanced Micro Devices, Inc. + */ + +#ifndef _ISP4_H_ +#define _ISP4_H_ + +#include +#include +#include +#include + +#define ISP4_GET_ISP_REG_BASE(isp4sd) (((isp4sd))->mmio) + +struct isp4_platform_data { + void *adev; + void *bo; + void *cpu_ptr; + u64 gpu_addr; + u32 size; + u32 asic_type; + resource_size_t base_rmmio_size; +}; + +struct isp4_device { + struct v4l2_device v4l2_dev; + struct media_device mdev; + + struct isp4_platform_data *pltf_data; + struct platform_device *pdev; + struct notifier_block i2c_nb; +}; + +#endif /* isp4.h */