From mboxrd@z Thu Jan 1 00:00:00 1970 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 bombadil.infradead.org (bombadil.infradead.org [198.137.202.133]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by smtp.lore.kernel.org (Postfix) with ESMTPS id B1897D116F3 for ; Wed, 3 Dec 2025 06:29:42 +0000 (UTC) DKIM-Signature: v=1; a=rsa-sha256; q=dns/txt; c=relaxed/relaxed; d=lists.infradead.org; s=bombadil.20210309; h=Sender:List-Subscribe:List-Help :List-Post:List-Archive:List-Unsubscribe:List-Id:MIME-Version:Cc:To: In-Reply-To:References:Message-Id:Content-Transfer-Encoding:Content-Type: Subject:Date:From:Reply-To:Content-ID:Content-Description:Resent-Date: Resent-From:Resent-Sender:Resent-To:Resent-Cc:Resent-Message-ID:List-Owner; bh=mt0W0EacesjQe5+Bx3FHBCFahkq0vCPMXI//XhXkNug=; b=N8jE5oqmzXoSV6PnqS4CyIU7MS tfrtzwKBu5VCwg4OpY0G6SPqJ2RowFPNwSi+UqofERlI38OhGL4tRBg576LxW7i2Aw6dgwiVOQukB NUpMXkDlV0ZAA1yDLgAM+eOyCAPZndnJFVacawvZDR4vUskjo5EpSerV23ZHRrKF5Xn5k99Uk9dP3 ESn2D6mapHBd+w4OR8kDkgiGX0GbDENhYfxi3cYt/+5sOIvDYiKbEoBpjqCLMakGW6OKiLLfEoZys dxb5Lfacxd5lYmRegF2kz8lzlel+tzBm7+vA8nGYugssU1eRcEgfFQt6xhMbxjuXSu4kSODV4okY+ t6cdGjWw==; Received: from localhost ([::1] helo=bombadil.infradead.org) by bombadil.infradead.org with esmtp (Exim 4.98.2 #2 (Red Hat Linux)) id 1vQgMs-00000006BZJ-3ab0; Wed, 03 Dec 2025 06:29:38 +0000 Received: from mail-francecentralazlp170130007.outbound.protection.outlook.com ([2a01:111:f403:c20a::7] helo=PA4PR04CU001.outbound.protection.outlook.com) by bombadil.infradead.org with esmtps (Exim 4.98.2 #2 (Red Hat Linux)) id 1vQgMq-00000006BYV-0g49 for linux-arm-kernel@lists.infradead.org; Wed, 03 Dec 2025 06:29:37 +0000 ARC-Seal: i=1; a=rsa-sha256; s=arcselector10001; d=microsoft.com; cv=none; b=DoKwT+kI5w37/N/U91aq/trcqw9IajTs4iRbyv6cjJ6+GcYduUnhKCCQN80HsLCRQD5bN2YYHEoY7KBfiWjRmhNdRXDxePp8Ixvg2rsE204qjwTyotz5pqQ/fc6XCa62OpK1X8Y/zbkwpSTyDS4mb/SA2TG/qeumXQ+6AU6s7y/O3iLaC3W4zgAOJTEUwQPpxt19iEmz313bBZEF2dRzBMP/iaYdM1wfq6WR1QImLkf5nD+VpQ2SHDGX06XjMfvXW0Hbj/inEJGmtU/Yikb6G+DF+P6N6XGcM2Odd1YSVPO8u9Bg57d31JU5IgKCJK8dGDDgvvE29bJNCTl647zkJQ== 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=mt0W0EacesjQe5+Bx3FHBCFahkq0vCPMXI//XhXkNug=; b=JYbObivBX7cO4BRHyByT4oj4A4Z6xYBhlkfV6jMdFXfWJWBfcRJjqIV3PFYBhUidyIwdZ6636D9cy/x48Kdm/4j30jp8sE9jtwEnhQJ/hWZXDhNbnZ1GM3Eji4nN8WJDGAqE690P5qHThJ4qYO759OvWrXpfxPw6VF+pLsTAYuCzLbeeMW6X/gV7iFC3A3hl7Z0BgUbPq8ad8UDiVYWctsGRwwcWiRI2Asga8ZpkT/EMtkqpbmrrrsGt0y1ooLPAWf/suZ/vu59M2cp3HkYSf5GayxVrQYZov8Fs6lDUjix1hNAlML0Mkd74fla6eaHILNaYWziQI/BBsREHEHOT5A== ARC-Authentication-Results: i=1; mx.microsoft.com 1; spf=pass smtp.mailfrom=oss.nxp.com; dmarc=pass action=none header.from=oss.nxp.com; dkim=pass header.d=oss.nxp.com; arc=none DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=NXP1.onmicrosoft.com; s=selector1-NXP1-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=mt0W0EacesjQe5+Bx3FHBCFahkq0vCPMXI//XhXkNug=; b=n16rBPU53EidMGkdPJJTOqfRgxckttkpyDEqdaREoniJWLkRHevyklpusfVb2J2cY0FUxhHRIBix1N5VP8bqfbFp25lXHXezuyh012j+Kj77oibI3aKI7oTMVjAY4/DdhNWJAC99+rCYTpvS/2M89AJwKE+b7gDZD4FaeRX/5+d19Usiac9pit2Nz2wotSCaQzjhMXdKkPSoVfLeaB/6FNdKWdDYCPP4TtRKUNn05HRUNMupJuhGd7LHpPD9Ho3u2JYyiyHALlHVa6oFn7rofoOT4DeDB8/q6mgOoHVAnweDl1jZsseBmf/JqbiWPMaZ1WDKiuTlEcHw2aQBZdXmOQ== Authentication-Results: dkim=none (message not signed) header.d=none;dmarc=none action=none header.from=oss.nxp.com; Received: from AS8PR04MB9080.eurprd04.prod.outlook.com (2603:10a6:20b:447::16) by PR3PR04MB7451.eurprd04.prod.outlook.com (2603:10a6:102:93::12) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.9388.9; Wed, 3 Dec 2025 06:29:25 +0000 Received: from AS8PR04MB9080.eurprd04.prod.outlook.com ([fe80::92c2:2e03:bf99:68eb]) by AS8PR04MB9080.eurprd04.prod.outlook.com ([fe80::92c2:2e03:bf99:68eb%6]) with mapi id 15.20.9366.012; Wed, 3 Dec 2025 06:29:25 +0000 From: Guoniu Zhou Date: Wed, 03 Dec 2025 14:30:03 +0800 Subject: [PATCH 2/2] media: nxp: Add i.MX9 CSI pixel formatter v4l2 driver Content-Type: text/plain; charset="utf-8" Content-Transfer-Encoding: 7bit Message-Id: <20251203-csi_formatter-v1-2-eb9e1147b49e@nxp.com> References: <20251203-csi_formatter-v1-0-eb9e1147b49e@nxp.com> In-Reply-To: <20251203-csi_formatter-v1-0-eb9e1147b49e@nxp.com> To: Mauro Carvalho Chehab , Rob Herring , Krzysztof Kozlowski , Conor Dooley , Shawn Guo , Sascha Hauer , Pengutronix Kernel Team , Fabio Estevam , Laurent Pinchart , Frank Li Cc: imx@lists.linux.dev, linux-media@vger.kernel.org, devicetree@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-kernel@vger.kernel.org, Guoniu Zhou X-Mailer: b4 0.14.2 X-Developer-Signature: v=1; a=ed25519-sha256; t=1764743424; l=28623; i=guoniu.zhou@nxp.com; s=20250815; h=from:subject:message-id; bh=3zENuN+6jlAC/eE9/RZkN0iXnwZ0or8Got0I9QSN4XY=; b=zgXG7oWWwa+OHMrDW+Sw/HOAfE3d+I6yY4+xXZFNFAKSvg1SJTjO2aflPJhkmb/4gJ/aX8F2e FLHbG7LHr/bAWFZoWEHbB+oG/+c2xE4IcQBrHgvinyV1sQbcNJfQq3a X-Developer-Key: i=guoniu.zhou@nxp.com; a=ed25519; pk=MM+/XICg5S78/gs+f9wtGP6yIvkyjTdZwfaxXeu5rlo= X-ClientProxiedBy: SI1PR02CA0041.apcprd02.prod.outlook.com (2603:1096:4:1f6::18) To AS8PR04MB9080.eurprd04.prod.outlook.com (2603:10a6:20b:447::16) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 X-MS-PublicTrafficType: Email X-MS-TrafficTypeDiagnostic: AS8PR04MB9080:EE_|PR3PR04MB7451:EE_ X-MS-Office365-Filtering-Correlation-Id: 1b8678ff-ad7b-4967-9f1f-08de32354df6 X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-LD-Processed: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635,ExtAddr X-MS-Exchange-SenderADCheck: 1 X-MS-Exchange-AntiSpam-Relay: 0 X-Microsoft-Antispam: BCL:0;ARA:13230040|1800799024|7416014|52116014|376014|19092799006|366016|921020|38350700014|7053199007; X-Microsoft-Antispam-Message-Info: =?utf-8?B?RWlpbGh5KzQvTWRkSG9WNTRDMExTK2s4NnhCVytGQ0ZGQzMvckdwZDYwaGta?= =?utf-8?B?b295NjZ6TlhCcGhqLy9yd2cvU2FVSlBnOWgwM2tQQlBnclNwU0VQMWdNS3hn?= =?utf-8?B?c2w4QUNvcUJVWXk2YS9OaGxscWgwcnk3SFJPcnNVM1lxb3RETFRJN2pVbEpF?= =?utf-8?B?TUpGN2JERGFMVFJCSnFuS0FPamR2dVJIV1hpWEZabUVaOWhOUjFZWEpGVTZU?= =?utf-8?B?YldaK2hNSjVvcGd5Ynk5ZXRVRjZMUkN5SGdtWGpYWFhFRmdjaFN2MW13OS9u?= =?utf-8?B?UFpRTjZDdEtLSGR5YXloZk1MUGlvaXl1cUZjQ1FiUGdJU1lxd0RLdUhYVzlR?= =?utf-8?B?Y1I5clllblVRcmNTanpxU1FjVjQzaTJkam4xdXJkZldaUmZCQ3FtdlVWdm5R?= =?utf-8?B?anRGOFpRNTlsK3pCallxZkd0QklVOHpSOFFId0lFR21qendDdUdabTYycjdy?= =?utf-8?B?Y0FqUE5LZzVRL1MrMmlrYmpXZ2FIZTdFNHhhUFNmTXJDSEtPNDNlTlZkWkV6?= =?utf-8?B?akx0dHIvSThnTkVkSlNGOVRjYXlZS1hVSGk3MlE1WXNiTUVyL1pvVzRKRWxM?= =?utf-8?B?VHdkRXdrWk41bUdJcFJPbE1jZjdXbExIYmkyK1pxRm9tc2h5UVlBMm5QNlcr?= =?utf-8?B?andDN1p3YmJqUG1mbE5Ya3R3WGNSK1VrVnVvcjh6RlpYL0lzbjUzNGtQcnNQ?= =?utf-8?B?VjZVaXV5ZFg5K2Q5YmQvTXptNDBqbGdwU2xSYnFLa3V2Q1h3NnpJNDlNWmpr?= =?utf-8?B?eW5uT3B0RmNmbFJsV01WdnJMeXFpamkxeTkvaVM0SGFzZUhEUW16d1lmZEg1?= =?utf-8?B?YlY2amtmQkpJVFpuYjVpWmRnNDJBZmRIU1paMUVkaVorK3hNYVROQndKR21o?= =?utf-8?B?U09YbmVNaFRHWmYwZDBrWEdmN2NXK1NRUkx5TTF5bzdLNkVPeUdESU5lV1hx?= =?utf-8?B?RUFrWHk5VDRybnNBR3R0YVZvZHhUa1dNSEFkVWJPTnFoVWRCYVkrMW5EUGdi?= =?utf-8?B?eHk3SldMK2FmMWtaOHZpRjZpYVhQQ2xJdUVSMTdMOVU1d1FZa3MyR3g5ZDQx?= =?utf-8?B?TWErQWNOYVFxbndSTXRGQVhBMG01dHp2eGdaR1FEQ3hwQUp6VmVuS3NNbkk2?= =?utf-8?B?MGFEZ3l3TGs5emdQbkYyMjBaR2liZk16V0UzZmlIYUVFYStGRlVJY0ZMMDVr?= =?utf-8?B?NlhPSWR5OCtWSy9KamIreTBValA5dEg1cGNmMldRd3dweEFKb200c1F3RDdJ?= =?utf-8?B?YzBHaVZFdEM4amxlRGFnUEFoWHR3VTIyM3pySmpteWJtMnBmVWwrMGtBeGp1?= =?utf-8?B?eXpjY2xQUmFmZmVSTkJ6SXF6WTEwbFp5T3VtVmtRaVZmMjFZS2NvWWt2eVJt?= =?utf-8?B?K3JyY3FET3JVT1FKOUlWQmRmdDVPVzBubC9oQ0gra0ZFQU5CUGZlN1QvS1F0?= =?utf-8?B?S2Z0OTJPeHNxMStjNjdGOGIzNmJmdjZ3NzlBUjlEc284aHJyUjZWdW9vbW5Y?= =?utf-8?B?ZGFZMmxiaGpiVVBHSDFYVThZcXVDdkR4WDc2WDY1enhMS1EwSlA1ZmRoU01o?= =?utf-8?B?ZHFJWnRxN21JVHRmKzlnQUhPRDY4clhhbzFtRlRSZmpKUEhSMlhvVVVoT2hE?= =?utf-8?B?dEgxTjI2b00yZ09KUnVjVjAzVzBPVkw5Skd4akJlQzBWR1EyL3BNVE9QS1Zx?= =?utf-8?B?Z3c5Tk5YcnZ5aWxvay9vVGw2bWVJa3pqMmV2KzQ2QjRybDJwSE5FMzIrM2xS?= =?utf-8?B?Skw2OGsrOUJQZEJQKytIMUZSTVZpSzNHZTFDcG1wSlY4Zk9zV0NyVWVScXZw?= =?utf-8?B?QzBROVRDYTh4dTE4RWJiNGQzYVZlcElNSmkwb1gyUEc0NFUzT0x6SWd0RW95?= =?utf-8?B?SVBFaDIxaThCNmdjazhtdVZaUW9EVStGa09MMWxnSWV1VG5sZHF4MkovWVpy?= =?utf-8?B?U1l2dUY1WDJyT2NhQ2Q4S2RQV2tlSjB4bTFlMmRoZkg3bkcwbXVMeHd0WWEz?= =?utf-8?B?MVp0ZGlINWZkR01UK1I0dzQ0Y0hIcFkvOTdmak9VSzYrV2JTT2NTU0hJU1BF?= =?utf-8?B?L0NybUovay93TVRmM1dkelcrNHhncDQySjF1Zz09?= X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AS8PR04MB9080.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFS:(13230040)(1800799024)(7416014)(52116014)(376014)(19092799006)(366016)(921020)(38350700014)(7053199007);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData-ChunkCount: 1 X-MS-Exchange-AntiSpam-MessageData-0: =?utf-8?B?ZjJ4dEFJdHQ5L01oUGJHQXJQMW5zZ211WVF3bzFkSldpNW5TTDVHdzBMUXBM?= =?utf-8?B?bHY5Ukd2V2IzMjdBb0swQjBzMGpJbDdXVjlsUllhbFd1d2hnTXlmN0xXRnVI?= =?utf-8?B?NlhwYUJnWE9wSDVKeE5DVHR0RHRIZ2dYcnovVXpvUWJUTDhiTHNJaENkdEdO?= =?utf-8?B?THBDUE44UkdiM2Z5YklVQ29DMWNWQXZXMmxDdW50VUZOUlc4V2xQTjFwU0Rx?= =?utf-8?B?ODhmMzBuYmhRcXVQcUFvZ0cvcHlMKy9YK3g4TEhyeWx2VFFobFpFWU90dTl0?= =?utf-8?B?bkltYjczVkNxMVZLRDJYU1JONHlJdVUyS0dMcW1MTUV2dDRLVGlLTW5RTEp0?= =?utf-8?B?ckgxYlVRWncwMGQ4V0JsSnFQTWdsb0kzK0hDN1ZwREhsaE0rUG1GdXhMMWxo?= =?utf-8?B?dVF4Y1hlMC80T0xxMm14eFQrbXdDbk93WG1rTHNueS9ZOEdmUG5JRGxrQUQw?= =?utf-8?B?YVpVMjhHeDlkZitnZEMwVEJUV0lsdDBSSjExM0hUK2dSQ3A0RkhiQ3J4UEUr?= =?utf-8?B?aHQ4VWsrY09ZYjBJZ0puN3J1dFdLeGFEV2ZpWWQzbzBZK01RcWkxczZnQWh6?= =?utf-8?B?SFBNK1RYQk5pVlVsbURZZW1URzVrdEJDZ2l2UHUrNm1WWkJiKzd2RllUakxl?= =?utf-8?B?N1hiSWEyZzVxNFZ1KzBVSE9WRU1pSC9MUmc5NHZzMkxXV1Z2K0VNOHdTOExu?= =?utf-8?B?U0lTZ211SUVaMitZdmdvNEd3MlJiYnZkTjVZbExlMGJSd1NseHgyU1c0MHlJ?= =?utf-8?B?NEU1S296cDhrK054cmV6ZUhDTmdMbkZjZmJwMjZLN3B2MEJqbk5McVVWZm9B?= =?utf-8?B?SFliQi9HZXhqY2k4bWtCYWlHN3hINXRDY1RWREJ2TDE1aTJzcWhWeEJpeFFm?= =?utf-8?B?eVhRd0xMTHROZ3J5blBvNFpIdjFjTkJpWGFNUTNCMUJQVEJVbHVVR2RVWjFC?= =?utf-8?B?WkxaTjV5dUNPNjRzTXQ3VHJhTVlZRkVFVmhKYmc3RGpIRHM0VjVuVlZDN3gw?= =?utf-8?B?ODN1cnNnaVVrUXVZaWdveFZZanVEQ2xLOG1PWjhYYTNNVDFqOW4zTFYxZlRj?= =?utf-8?B?UGVpUWtkWHBhdVVDM1E5Z3lEWEJQRmNFcENEWUQ1TExqYzBxR0lpa1N5V0dL?= =?utf-8?B?eU1IWU52SHJBS1o2V0xYSDhWRk0yQmhNSmoyUWtySTZjczN2ODhQd01Jc2tJ?= =?utf-8?B?WmYvMzZSUWxTN0dqL1Nwa0hHZmtUSHlLYmxvcUZJWStUR1M0bHN3VEE0R0l5?= =?utf-8?B?Z2NXWmQ5emlyUW12Y2xKVWg4NjRKWmpDZ0l5Y2crNTgrLzBZb25iWnVDQ096?= =?utf-8?B?U2VhbnZwVnhqWTluNVF3TmhRbEd3NE43YU9KT0xGNWZHUVBTcUV3Z3c5Q0lI?= =?utf-8?B?RWxKNWpEbmlveVJlemtSamV2MStsTWYwWURkTDNXamtiVjF3ZXhyWk9FTko3?= =?utf-8?B?RnRERHhtYXpIa1RDTUhjbHM2MnF4YXpxT2NZTjZmMFlVdTVVV2RRa2s4Tk9T?= =?utf-8?B?MENKSDA0OFQ1YmRTR1Jha2MxQzBUVVFYOFpLUmphL1RFNWh5MFZIdGNGcXNL?= =?utf-8?B?M3Vsa0Npanc0WVNTQXFJYWp1UkEvdlZaVjRkdWNPRDVPcm54aHVsSjhsdnhh?= =?utf-8?B?c3FDTDhzWm5MM3F4WXdlMlZqcmtZdXBGRjFBdXA3TENaMURRM29tY29QUmlV?= =?utf-8?B?azJsb0dmZ0l4ZkF6U3NLOGk3NThEdUsxVy9OUXB6U3RpLzVZQW5VU2U0azQ2?= =?utf-8?B?UzFwRVVkSDFUYmk4T1JyVEhpYTBwZnd2SmVXNzNVeVNQamZDaTdqa0xlWXhu?= =?utf-8?B?R0J6VllHK3RGT0pFa1dBRXQ4Zy9kUDkrYUxvRFY4NUE3RERaZXNlbUJheXl2?= =?utf-8?B?QVVSVVkrbktUbC9IZ2pNS0VxeTVMb2JLdnV5SG8rTjZhZHp3K1NtMmxOK040?= =?utf-8?B?c3VtcG9NaitUbU1HQzl2YjA4Y2RsQlE5YlNxZ2R0Njd3QVBWbVJyRjdyQkQ5?= =?utf-8?B?Lzh1K2hUNXhzdVN2ajJNeS9rTkVLaE9HMWJMazI0VjgwVEZtUEM2TUpOQjM3?= =?utf-8?B?MzZnS2VVR2FBMTRmdFhDbGp4ajhHd3NKZ1NtL3dJcGlQbE9aWlNpZkZlaTQ1?= =?utf-8?Q?BXEz838KxWkJtceriwR4gLU8w?= X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: 1b8678ff-ad7b-4967-9f1f-08de32354df6 X-MS-Exchange-CrossTenant-AuthSource: AS8PR04MB9080.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 03 Dec 2025 06:29:25.7353 (UTC) X-MS-Exchange-CrossTenant-FromEntityHeader: Hosted X-MS-Exchange-CrossTenant-Id: 686ea1d3-bc2b-4c6f-a92c-d99c5c301635 X-MS-Exchange-CrossTenant-MailboxType: HOSTED X-MS-Exchange-CrossTenant-UserPrincipalName: Mz1ZTnnlT7CEKHVxw81E05wLSZ377l2K5pkV2yxcrRj8xS4xSWQLN9o9UFxhop6dByAbtoAxdZ0SDUT64CyEjQ== X-MS-Exchange-Transport-CrossTenantHeadersStamped: PR3PR04MB7451 X-CRM114-Version: 20100106-BlameMichelson ( TRE 0.8.0 (BSD) ) MR-646709E3 X-CRM114-CacheID: sfid-20251202_222936_382457_DB77EAE4 X-CRM114-Status: GOOD ( 15.07 ) X-BeenThere: linux-arm-kernel@lists.infradead.org X-Mailman-Version: 2.1.34 Precedence: list List-Id: List-Unsubscribe: , List-Archive: List-Post: List-Help: List-Subscribe: , Sender: "linux-arm-kernel" Errors-To: linux-arm-kernel-bounces+linux-arm-kernel=archiver.kernel.org@lists.infradead.org From: Guoniu Zhou The CSI pixel formatter is a module found on i.MX95 used to reformat packet info, pixel and non-pixel data from CSI-2 host controller to match Pixel Link(PL) definition. This driver adds its data formatting support. Signed-off-by: Guoniu Zhou --- MAINTAINERS | 8 + drivers/media/platform/nxp/Kconfig | 14 + drivers/media/platform/nxp/Makefile | 1 + drivers/media/platform/nxp/imx9-csi-formatter.c | 894 ++++++++++++++++++++++++ 4 files changed, 917 insertions(+) diff --git a/MAINTAINERS b/MAINTAINERS index 4205ca007e076f869613032b51e8cc5bff06b98e..24681a787818c3e69f93dcc220ee9838cef99886 100644 --- a/MAINTAINERS +++ b/MAINTAINERS @@ -18626,6 +18626,14 @@ S: Maintained F: Documentation/devicetree/bindings/media/nxp,imx8-jpeg.yaml F: drivers/media/platform/nxp/imx-jpeg +NXP i.MX 9 CSI PIXEL FORMATTER V4L2 DRIVER +M: Guoniu Zhou +L: imx@lists.linux.dev +L: linux-media@vger.kernel.org +S: Maintained +F: Documentation/devicetree/bindings/media/nxp,imx9-csi-formatter.yaml +F: drivers/media/platform/nxp/imx9-csi-formatter.c + NXP i.MX CLOCK DRIVERS M: Abel Vesa R: Peng Fan diff --git a/drivers/media/platform/nxp/Kconfig b/drivers/media/platform/nxp/Kconfig index 40e3436669e213fdc5da70821dc0b420e1821f4f..a7bb62a2b0249659ffdfeac50fa488aee9590a87 100644 --- a/drivers/media/platform/nxp/Kconfig +++ b/drivers/media/platform/nxp/Kconfig @@ -28,6 +28,20 @@ config VIDEO_IMX8MQ_MIPI_CSI2 Video4Linux2 driver for the MIPI CSI-2 receiver found on the i.MX8MQ SoC. +config VIDEO_IMX9_CSI_FORMATTER + tristate "NXP i.MX9 CSI Pixel Formatter driver" + depends on ARCH_MXC || COMPILE_TEST + depends on VIDEO_DEV + select MEDIA_CONTROLLER + select V4L2_FWNODE + select VIDEO_V4L2_SUBDEV_API + help + This driver provides support for the CSI Pixel Formatter found on + i.MX9 series SoC. This module unpacks the pixels received by the + formatter and reformats them to meet the pixel link format requirement. + + Say Y here to enable CSI Pixel Formater module for i.MX9 SoC. + config VIDEO_IMX_MIPI_CSIS tristate "NXP MIPI CSI-2 CSIS receiver found on i.MX7 and i.MX8 models" depends on ARCH_MXC || COMPILE_TEST diff --git a/drivers/media/platform/nxp/Makefile b/drivers/media/platform/nxp/Makefile index 4d90eb71365259ebdda84ea58483e1c4131d3ac7..39ba5660ba923141e7637b01b5b34a021dad7bb3 100644 --- a/drivers/media/platform/nxp/Makefile +++ b/drivers/media/platform/nxp/Makefile @@ -6,6 +6,7 @@ obj-y += imx8-isi/ obj-$(CONFIG_VIDEO_IMX7_CSI) += imx7-media-csi.o obj-$(CONFIG_VIDEO_IMX8MQ_MIPI_CSI2) += imx8mq-mipi-csi2.o +obj-$(CONFIG_VIDEO_IMX9_CSI_FORMATTER) += imx9-csi-formatter.o obj-$(CONFIG_VIDEO_IMX_MIPI_CSIS) += imx-mipi-csis.o obj-$(CONFIG_VIDEO_IMX_PXP) += imx-pxp.o obj-$(CONFIG_VIDEO_MX2_EMMAPRP) += mx2_emmaprp.o diff --git a/drivers/media/platform/nxp/imx9-csi-formatter.c b/drivers/media/platform/nxp/imx9-csi-formatter.c new file mode 100644 index 0000000000000000000000000000000000000000..59ccbd26d8acdbca79ea9093746524df803473fc --- /dev/null +++ b/drivers/media/platform/nxp/imx9-csi-formatter.c @@ -0,0 +1,894 @@ +// SPDX-License-Identifier: GPL-2.0 +/* + * Copyright 2025 NXP + */ + +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include +#include + +#include +#include +#include +#include +#include +#include + +/* CSI Pixel Formatter registers map */ + +#define CSI_VCx_INTERLACED_LINE_CNT(x) (0x00 + (x) * 0x04) +#define INTERLACED_ODD_LINE_CNT_SET(x) FIELD_PREP(GENMASK(13, 0), (x)) +#define INTERLACED_EVEN_LINE_CNT_SET(x) FIELD_PREP(GENMASK(29, 16), (x)) + +#define CSI_VC_INTERLACED_CTRL 0x20 + +#define CSI_VC_INTERLACED_ERR 0x24 +#define CSI_VC_ERR_MASK GENMASK(7, 0) +#define CSI_VC_ERR(vc) BIT((vc)) + +#define CSI_VC_YUV420_FIRST_LINE_EVEN 0x28 +#define YUV420_FIRST_LINE_EVEN(vc) BIT((vc)) + +#define CSI_RAW32_CTRL 0x30 +#define CSI_VCX_RAW32_MODE(vc) BIT((vc)) +#define CSI_VCX_RAW32_SWAP_MODE(vc) BIT((vc) + 8) + +#define STREAM_FENCING_CTRL 0x34 +#define CSI_VCx_STREAM_FENCING(vc) BIT((vc)) +#define CSI_VCx_STREAM_FENCING_RST(vc) BIT((vc) + 8) + +#define STREAM_FENCING_STS 0x38 +#define STREAM_FENCING_STS_MASK GENMASK(7, 0) + +#define CSI_VCX_NON_PIXEL_DATA_TYPE(vc) (0x40 + (vc) * 0x04) + +#define CSI_VCX_PIXEL_DATA_CTRL(vc) (0x60 + (vc) * 0x04) +#define NEW_VC(x) FIELD_PREP(GENMASK(3, 1), x) +#define REROUTE_VC_ENABLE BIT(0) + +#define CSI_VCx_ROUTE_PIXEL_DATA_TYPE(vc) (0x80 + (vc) * 0x04) + +#define CSI_VCx_NON_PIXEL_DATA_CTRL(vc) (0xa0 + (vc) * 0x04) + +#define CSI_VCx_PIXEL_DATA_TYPE(vc) (0xc0 + (vc) * 0x04) + +#define CSI_VCx_PIXEL_DATA_TYPE_ERR(vc) (0xe0 + (vc) * 0x04) + +#define CSI_FORMATTER_PAD_SINK 0 +#define CSI_FORMATTER_PAD_SOURCE 1 +#define CSI_FORMATTER_PAD_NUM 2 + +#define CSI_FORMATTER_DEF_MBUS_CODE MEDIA_BUS_FMT_UYVY8_1X16 +#define CSI_FORMATTER_DEF_PIX_WIDTH 1920U +#define CSI_FORMATTER_DEF_PIX_HEIGHT 1080U +#define CSI_FORMATTER_MAX_PIX_WIDTH 0xffff +#define CSI_FORMATTER_MAX_PIX_HEIGHT 0xffff + +#define CSI_FORMATTER_DRV_NAME "csi-pixel-formatter" +#define CSI_FORMATTER_VC_MAX 8 + +struct formatter_pix_format { + u32 code; + u32 data_type; +}; + +struct csi_formatter { + struct device *dev; + struct regmap *regs; + struct clk *clk; + + struct v4l2_subdev sd; + struct v4l2_subdev *csi_sd; + struct v4l2_async_notifier notifier; + struct v4l2_mbus_framefmt format[CSI_FORMATTER_PAD_NUM]; + struct media_pad pads[CSI_FORMATTER_PAD_NUM]; + const struct formatter_pix_format *fmt; + + u16 remote_pad; + u32 reg_offset; + u64 enabled_streams; +}; + +struct dt_index { + u8 dtype; + u8 index; +}; + +static const struct dt_index formatter_dt_to_index_map[] = { + { .dtype = MIPI_CSI2_DT_YUV420_8B, .index = 0 }, + { .dtype = MIPI_CSI2_DT_YUV420_8B_LEGACY, .index = 2 }, + { .dtype = MIPI_CSI2_DT_YUV422_8B, .index = 6 }, + { .dtype = MIPI_CSI2_DT_RGB444, .index = 8 }, + { .dtype = MIPI_CSI2_DT_RGB555, .index = 9 }, + { .dtype = MIPI_CSI2_DT_RGB565, .index = 10 }, + { .dtype = MIPI_CSI2_DT_RGB666, .index = 11 }, + { .dtype = MIPI_CSI2_DT_RGB888, .index = 12 }, + { .dtype = MIPI_CSI2_DT_RAW6, .index = 16 }, + { .dtype = MIPI_CSI2_DT_RAW7, .index = 17 }, + { .dtype = MIPI_CSI2_DT_RAW8, .index = 18 }, + { .dtype = MIPI_CSI2_DT_RAW10, .index = 19 }, + { .dtype = MIPI_CSI2_DT_RAW12, .index = 20 }, + { .dtype = MIPI_CSI2_DT_RAW14, .index = 21 }, + { .dtype = MIPI_CSI2_DT_RAW16, .index = 22 }, +}; + +static const struct formatter_pix_format formats[] = { + /* YUV formats */ + { + .code = MEDIA_BUS_FMT_UYVY8_1X16, + .data_type = MIPI_CSI2_DT_YUV422_8B, + }, + /* RGB formats */ + { + .code = MEDIA_BUS_FMT_RGB565_1X16, + .data_type = MIPI_CSI2_DT_RGB565, + }, { + .code = MEDIA_BUS_FMT_RGB888_1X24, + .data_type = MIPI_CSI2_DT_RGB888, + }, + /* RAW (Bayer and greyscale) formats. */ + { + .code = MEDIA_BUS_FMT_SBGGR8_1X8, + .data_type = MIPI_CSI2_DT_RAW8, + }, { + .code = MEDIA_BUS_FMT_SGBRG8_1X8, + .data_type = MIPI_CSI2_DT_RAW8, + }, { + .code = MEDIA_BUS_FMT_SGRBG8_1X8, + .data_type = MIPI_CSI2_DT_RAW8, + }, { + .code = MEDIA_BUS_FMT_SRGGB8_1X8, + .data_type = MIPI_CSI2_DT_RAW8, + }, { + .code = MEDIA_BUS_FMT_Y8_1X8, + .data_type = MIPI_CSI2_DT_RAW8, + }, { + .code = MEDIA_BUS_FMT_SBGGR10_1X10, + .data_type = MIPI_CSI2_DT_RAW10, + }, { + .code = MEDIA_BUS_FMT_SGBRG10_1X10, + .data_type = MIPI_CSI2_DT_RAW10, + }, { + .code = MEDIA_BUS_FMT_SGRBG10_1X10, + .data_type = MIPI_CSI2_DT_RAW10, + }, { + .code = MEDIA_BUS_FMT_SRGGB10_1X10, + .data_type = MIPI_CSI2_DT_RAW10, + }, { + .code = MEDIA_BUS_FMT_Y10_1X10, + .data_type = MIPI_CSI2_DT_RAW10, + }, { + .code = MEDIA_BUS_FMT_SBGGR12_1X12, + .data_type = MIPI_CSI2_DT_RAW12, + }, { + .code = MEDIA_BUS_FMT_SGBRG12_1X12, + .data_type = MIPI_CSI2_DT_RAW12, + }, { + .code = MEDIA_BUS_FMT_SGRBG12_1X12, + .data_type = MIPI_CSI2_DT_RAW12, + }, { + .code = MEDIA_BUS_FMT_SRGGB12_1X12, + .data_type = MIPI_CSI2_DT_RAW12, + }, { + .code = MEDIA_BUS_FMT_Y12_1X12, + .data_type = MIPI_CSI2_DT_RAW12, + }, { + .code = MEDIA_BUS_FMT_SBGGR14_1X14, + .data_type = MIPI_CSI2_DT_RAW14, + }, { + .code = MEDIA_BUS_FMT_SGBRG14_1X14, + .data_type = MIPI_CSI2_DT_RAW14, + }, { + .code = MEDIA_BUS_FMT_SGRBG14_1X14, + .data_type = MIPI_CSI2_DT_RAW14, + }, { + .code = MEDIA_BUS_FMT_SRGGB14_1X14, + .data_type = MIPI_CSI2_DT_RAW14, + }, { + .code = MEDIA_BUS_FMT_SBGGR16_1X16, + .data_type = MIPI_CSI2_DT_RAW16, + }, { + .code = MEDIA_BUS_FMT_SGBRG16_1X16, + .data_type = MIPI_CSI2_DT_RAW16, + }, { + .code = MEDIA_BUS_FMT_SGRBG16_1X16, + .data_type = MIPI_CSI2_DT_RAW16, + }, { + .code = MEDIA_BUS_FMT_SRGGB16_1X16, + .data_type = MIPI_CSI2_DT_RAW16, + } +}; + +static const struct v4l2_mbus_framefmt formatter_default_fmt = { + .code = CSI_FORMATTER_DEF_MBUS_CODE, + .width = CSI_FORMATTER_DEF_PIX_WIDTH, + .height = CSI_FORMATTER_DEF_PIX_HEIGHT, + .field = V4L2_FIELD_NONE, + .colorspace = V4L2_COLORSPACE_SMPTE170M, + .xfer_func = V4L2_MAP_XFER_FUNC_DEFAULT(V4L2_COLORSPACE_SMPTE170M), + .ycbcr_enc = V4L2_MAP_YCBCR_ENC_DEFAULT(V4L2_COLORSPACE_SMPTE170M), + .quantization = V4L2_QUANTIZATION_LIM_RANGE, +}; + +static const struct formatter_pix_format *find_csi_format(u32 code) +{ + int i; + + for (i = 0; i < ARRAY_SIZE(formats); i++) + if (code == formats[i].code) + return &formats[i]; + + return &formats[0]; +} + +/* ----------------------------------------------------------------------------- + * V4L2 subdev operations + */ + +static inline struct csi_formatter *sd_to_formatter(struct v4l2_subdev *sdev) +{ + return container_of(sdev, struct csi_formatter, sd); +} + +static int __formatter_subdev_set_routing(struct v4l2_subdev *sd, + struct v4l2_subdev_state *state, + struct v4l2_subdev_krouting *routing) +{ + int ret; + + if (routing->num_routes > V4L2_FRAME_DESC_ENTRY_MAX) + return -EINVAL; + + ret = v4l2_subdev_routing_validate(sd, routing, + V4L2_SUBDEV_ROUTING_ONLY_1_TO_1); + if (ret) + return ret; + + return v4l2_subdev_set_routing_with_fmt(sd, state, routing, + &formatter_default_fmt); +} + +static int formatter_subdev_init_state(struct v4l2_subdev *sd, + struct v4l2_subdev_state *sd_state) +{ + struct v4l2_subdev_route routes[] = { + { + .sink_pad = CSI_FORMATTER_PAD_SINK, + .sink_stream = 0, + .source_pad = CSI_FORMATTER_PAD_SOURCE, + .source_stream = 0, + .flags = V4L2_SUBDEV_ROUTE_FL_ACTIVE, + }, + }; + + struct v4l2_subdev_krouting routing = { + .num_routes = ARRAY_SIZE(routes), + .routes = routes, + }; + + return __formatter_subdev_set_routing(sd, sd_state, &routing); +} + +static int formatter_subdev_enum_mbus_code(struct v4l2_subdev *sd, + struct v4l2_subdev_state *sd_state, + struct v4l2_subdev_mbus_code_enum *code) +{ + if (code->pad == CSI_FORMATTER_PAD_SOURCE) { + struct v4l2_mbus_framefmt *fmt; + + if (code->index > 0) + return -EINVAL; + + fmt = v4l2_subdev_state_get_format(sd_state, code->pad, + code->stream); + code->code = fmt->code; + return 0; + } + + if (code->index >= ARRAY_SIZE(formats)) + return -EINVAL; + + code->code = formats[code->index].code; + + return 0; +} + +static int formatter_subdev_set_fmt(struct v4l2_subdev *sd, + struct v4l2_subdev_state *sd_state, + struct v4l2_subdev_format *sdformat) +{ + struct csi_formatter *formatter = sd_to_formatter(sd); + struct formatter_pix_format const *format; + struct v4l2_mbus_framefmt *fmt; + + if (sdformat->pad == CSI_FORMATTER_PAD_SOURCE) + return v4l2_subdev_get_fmt(sd, sd_state, sdformat); + + /* + * Validate the media bus code and clamp and align the size. + * + * The total number of bits per line must be a multiple of 8. We thus + * need to align the width for formats that are not multiples of 8 + * bits. + */ + format = find_csi_format(sdformat->format.code); + + v4l_bound_align_image(&sdformat->format.width, 1, + CSI_FORMATTER_MAX_PIX_WIDTH, 2, + &sdformat->format.height, 1, + CSI_FORMATTER_MAX_PIX_HEIGHT, 0, 0); + + fmt = v4l2_subdev_state_get_format(sd_state, sdformat->pad, + sdformat->stream); + *fmt = sdformat->format; + + /* Set default code if user set an invalid value */ + fmt->code = format->code; + + /* Propagate the format from sink stream to source stream */ + fmt = v4l2_subdev_state_get_opposite_stream_format(sd_state, sdformat->pad, + sdformat->stream); + if (!fmt) + return -EINVAL; + + *fmt = sdformat->format; + + /* Store the CSIS format descriptor for active formats. */ + if (sdformat->which == V4L2_SUBDEV_FORMAT_ACTIVE) + formatter->fmt = format; + + return 0; +} + +static int formatter_subdev_get_frame_desc(struct v4l2_subdev *sd, + unsigned int pad, + struct v4l2_mbus_frame_desc *fd) +{ + struct csi_formatter *formatter = sd_to_formatter(sd); + struct v4l2_mbus_frame_desc csi_fd; + struct v4l2_subdev_route *route; + struct v4l2_subdev_state *state; + int ret; + + if (pad != CSI_FORMATTER_PAD_SOURCE) + return -EINVAL; + + ret = v4l2_subdev_call(formatter->csi_sd, pad, get_frame_desc, + formatter->remote_pad, &csi_fd); + if (ret) + return ret; + + if (csi_fd.type != V4L2_MBUS_FRAME_DESC_TYPE_CSI2) { + dev_err(formatter->dev, + "Frame descriptor does not describe CSI-2 link\n"); + return -EINVAL; + } + + memset(fd, 0, sizeof(*fd)); + + fd->type = V4L2_MBUS_FRAME_DESC_TYPE_CSI2; + + state = v4l2_subdev_lock_and_get_active_state(sd); + + for_each_active_route(&state->routing, route) { + struct v4l2_mbus_frame_desc_entry *entry = NULL; + unsigned int i; + + if (route->source_pad != pad) + continue; + + for (i = 0; i < csi_fd.num_entries; ++i) { + if (csi_fd.entry[i].stream == route->sink_stream) { + entry = &csi_fd.entry[i]; + break; + } + } + + if (!entry) { + dev_err(formatter->dev, + "Failed to find stream from source frames desc\n"); + ret = -EPIPE; + goto out_unlock; + } + + fd->entry[fd->num_entries].stream = route->source_stream; + fd->entry[fd->num_entries].flags = entry->flags; + fd->entry[fd->num_entries].length = entry->length; + fd->entry[fd->num_entries].pixelcode = entry->pixelcode; + fd->entry[fd->num_entries].bus.csi2.vc = entry->bus.csi2.vc; + fd->entry[fd->num_entries].bus.csi2.dt = entry->bus.csi2.dt; + + fd->num_entries++; + } + +out_unlock: + v4l2_subdev_unlock_state(state); + return ret; +} + +static int formatter_subdev_set_routing(struct v4l2_subdev *sd, + struct v4l2_subdev_state *state, + enum v4l2_subdev_format_whence which, + struct v4l2_subdev_krouting *routing) +{ + if (which == V4L2_SUBDEV_FORMAT_ACTIVE && + media_entity_is_streaming(&sd->entity)) + return -EBUSY; + + return __formatter_subdev_set_routing(sd, state, routing); +} + +static inline void formatter_write(struct csi_formatter *formatter, + unsigned int reg, unsigned int value) +{ + u32 offset = formatter->reg_offset; + + regmap_write(formatter->regs, reg + offset, value); +} + +static u8 get_index_by_dt(u8 data_type) +{ + unsigned int i; + + for (i = 0; i < ARRAY_SIZE(formatter_dt_to_index_map); ++i) + if (data_type == formatter_dt_to_index_map[i].dtype) + break; + + if (i == ARRAY_SIZE(formatter_dt_to_index_map)) + return formatter_dt_to_index_map[0].index; + + return formatter_dt_to_index_map[i].index; +} + +static int get_vc(struct csi_formatter *formatter, unsigned int stream) +{ + struct v4l2_mbus_frame_desc source_fd; + struct v4l2_mbus_frame_desc_entry *entry = NULL; + unsigned int i; + int ret; + + /* + * Return virtual channel 0 as default value when remote subdev + * don't implement .get_frame_desc subdev callback + */ + ret = v4l2_subdev_call(formatter->csi_sd, pad, get_frame_desc, + formatter->remote_pad, &source_fd); + if (ret < 0) + return (ret == -ENOIOCTLCMD) ? 0 : ret; + + for (i = 0; i < source_fd.num_entries; ++i) { + if (source_fd.entry[i].stream == stream) { + entry = &source_fd.entry[i]; + break; + } + } + + if (!entry) { + dev_err(formatter->dev, + "Can't find valid frame desc corresponding to stream %d\n", stream); + return -EPIPE; + } + + return entry->bus.csi2.vc; +} + +static int csi_formatter_start_stream(struct csi_formatter *formatter, + u64 stream_mask) +{ + const struct formatter_pix_format *fmt = formatter->fmt; + unsigned int i; + u32 val; + int vc; + + for (i = 0; i < V4L2_FRAME_DESC_ENTRY_MAX; ++i) { + if (stream_mask & BIT(i)) + break; + } + + if (i == V4L2_FRAME_DESC_ENTRY_MAX) { + dev_err(formatter->dev, "Stream ID out of range\n"); + return -EINVAL; + } + + val = BIT(get_index_by_dt(fmt->data_type)); + vc = get_vc(formatter, i); + + if (vc < 0 || vc > CSI_FORMATTER_VC_MAX) { + dev_err(formatter->dev, "Invalid virtual channel(%d)\n", vc); + return -EINVAL; + } + + formatter_write(formatter, CSI_VCx_PIXEL_DATA_TYPE(vc), val); + + return 0; +} + +static int formatter_subdev_enable_streams(struct v4l2_subdev *sd, + struct v4l2_subdev_state *state, + u32 pad, u64 streams_mask) +{ + struct csi_formatter *formatter = sd_to_formatter(sd); + struct device *dev = formatter->dev; + u64 sink_streams; + int ret; + + if (!formatter->csi_sd) { + dev_err(dev, "CSI controller don't link with formatter\n"); + return -EPIPE; + } + + if (!formatter->enabled_streams) { + ret = pm_runtime_resume_and_get(formatter->dev); + if (ret < 0) { + dev_err(dev, "Formatter runtime get fail\n"); + return ret; + } + } + + ret = csi_formatter_start_stream(formatter, streams_mask); + if (ret) + goto runtime_put; + + sink_streams = v4l2_subdev_state_xlate_streams(state, + CSI_FORMATTER_PAD_SOURCE, + CSI_FORMATTER_PAD_SINK, + &streams_mask); + + dev_dbg(dev, "remote sd: %s pad: %u, sink_stream:0x%llx\n", + formatter->csi_sd->name, formatter->remote_pad, sink_streams); + + ret = v4l2_subdev_enable_streams(formatter->csi_sd, formatter->remote_pad, + sink_streams); + if (ret) + goto runtime_put; + + formatter->enabled_streams |= streams_mask; + + return 0; + +runtime_put: + pm_runtime_put(formatter->dev); + return ret; +} + +static int csi_formatter_stop_stream(struct csi_formatter *formatter, + u64 stream_mask) +{ + unsigned int i; + int vc; + + for (i = 0; i < V4L2_FRAME_DESC_ENTRY_MAX; ++i) { + if (stream_mask & BIT(i)) + break; + } + + if (i == V4L2_FRAME_DESC_ENTRY_MAX) { + dev_err(formatter->dev, "Stream ID out of range\n"); + return -EINVAL; + } + + vc = get_vc(formatter, i); + + if (vc < 0 || vc > CSI_FORMATTER_VC_MAX) { + dev_err(formatter->dev, "Invalid virtual channel(%d)\n", vc); + return -EINVAL; + } + + formatter_write(formatter, CSI_VCx_PIXEL_DATA_TYPE(vc), 0); + + return 0; +} + +static int formatter_subdev_disable_streams(struct v4l2_subdev *sd, + struct v4l2_subdev_state *state, + u32 pad, u64 streams_mask) +{ + struct csi_formatter *formatter = sd_to_formatter(sd); + u64 sink_streams; + int ret; + + sink_streams = v4l2_subdev_state_xlate_streams(state, + CSI_FORMATTER_PAD_SOURCE, + CSI_FORMATTER_PAD_SINK, + &streams_mask); + + ret = v4l2_subdev_disable_streams(formatter->csi_sd, formatter->remote_pad, + sink_streams); + if (ret) + return ret; + + ret = csi_formatter_stop_stream(formatter, streams_mask); + if (ret) + return ret; + + formatter->enabled_streams &= ~streams_mask; + + if (!formatter->enabled_streams) + pm_runtime_put(formatter->dev); + + return 0; +} + +static const struct v4l2_subdev_pad_ops formatter_subdev_pad_ops = { + .enum_mbus_code = formatter_subdev_enum_mbus_code, + .get_fmt = v4l2_subdev_get_fmt, + .set_fmt = formatter_subdev_set_fmt, + .get_frame_desc = formatter_subdev_get_frame_desc, + .set_routing = formatter_subdev_set_routing, + .enable_streams = formatter_subdev_enable_streams, + .disable_streams = formatter_subdev_disable_streams, +}; + +static const struct v4l2_subdev_ops formatter_subdev_ops = { + .pad = &formatter_subdev_pad_ops, +}; + +static const struct v4l2_subdev_internal_ops formatter_internal_ops = { + .init_state = formatter_subdev_init_state, +}; + +/* ----------------------------------------------------------------------------- + * Media entity operations + */ + +static const struct media_entity_operations formatter_entity_ops = { + .link_validate = v4l2_subdev_link_validate, + .get_fwnode_pad = v4l2_subdev_get_fwnode_pad_1_to_1, +}; + +static int csi_formatter_subdev_init(struct csi_formatter *formatter) +{ + struct v4l2_subdev *sd = &formatter->sd; + int ret; + + v4l2_subdev_init(sd, &formatter_subdev_ops); + + snprintf(sd->name, sizeof(sd->name), "%s", dev_name(formatter->dev)); + sd->internal_ops = &formatter_internal_ops; + + sd->owner = THIS_MODULE; + sd->flags |= V4L2_SUBDEV_FL_HAS_DEVNODE | + V4L2_SUBDEV_FL_HAS_EVENTS | + V4L2_SUBDEV_FL_STREAMS; + sd->entity.function = MEDIA_ENT_F_PROC_VIDEO_PIXEL_FORMATTER; + sd->entity.ops = &formatter_entity_ops; + sd->dev = formatter->dev; + + formatter->pads[CSI_FORMATTER_PAD_SINK].flags = MEDIA_PAD_FL_SINK; + formatter->pads[CSI_FORMATTER_PAD_SOURCE].flags = MEDIA_PAD_FL_SOURCE; + + ret = media_entity_pads_init(&sd->entity, CSI_FORMATTER_PAD_NUM, + formatter->pads); + if (ret) { + dev_err(formatter->dev, "Failed to init pads\n"); + return ret; + } + + ret = v4l2_subdev_init_finalize(sd); + if (ret) + media_entity_cleanup(&sd->entity); + + return ret; +} + +static inline struct csi_formatter * +notifier_to_formatter(struct v4l2_async_notifier *n) +{ + return container_of(n, struct csi_formatter, notifier); +} + +static int csi_formatter_notify_bound(struct v4l2_async_notifier *notifier, + struct v4l2_subdev *sd, + struct v4l2_async_connection *asc) +{ + const unsigned int link_flags = MEDIA_LNK_FL_IMMUTABLE + | MEDIA_LNK_FL_ENABLED; + struct csi_formatter *formatter = notifier_to_formatter(notifier); + struct v4l2_subdev *sdev = &formatter->sd; + struct media_pad *sink = &sdev->entity.pads[CSI_FORMATTER_PAD_SINK]; + struct media_pad *remote_pad; + int ret; + + formatter->csi_sd = sd; + + dev_dbg(formatter->dev, "Bound subdev: %s pad\n", sd->name); + + ret = v4l2_create_fwnode_links_to_pad(sd, sink, link_flags); + if (ret < 0) + return ret; + + remote_pad = media_pad_remote_pad_first(sink); + if (!remote_pad) { + dev_err(formatter->dev, "Pipe not setup correctly\n"); + return -EPIPE; + } + formatter->remote_pad = remote_pad->index; + + return 0; +} + +static const struct v4l2_async_notifier_operations formatter_notify_ops = { + .bound = csi_formatter_notify_bound, +}; + +static int csi_formatter_async_register(struct csi_formatter *formatter) +{ + struct device *dev = formatter->dev; + struct v4l2_async_connection *asc; + struct fwnode_handle *ep; + int ret; + + v4l2_async_subdev_nf_init(&formatter->notifier, &formatter->sd); + + ep = fwnode_graph_get_endpoint_by_id(dev_fwnode(dev), 0, 0, + FWNODE_GRAPH_ENDPOINT_NEXT); + if (!ep) + return -ENOTCONN; + + asc = v4l2_async_nf_add_fwnode_remote(&formatter->notifier, ep, + struct v4l2_async_connection); + if (IS_ERR(asc)) { + fwnode_handle_put(ep); + return PTR_ERR(asc); + } + + fwnode_handle_put(ep); + + formatter->notifier.ops = &formatter_notify_ops; + + ret = v4l2_async_nf_register(&formatter->notifier); + if (ret) + return ret; + + return v4l2_async_register_subdev(&formatter->sd); +} + +/* ----------------------------------------------------------------------------- + * Suspend/resume + */ + +static int csi_formatter_system_suspend(struct device *dev) +{ + return pm_runtime_force_suspend(dev); +} + +static int csi_formatter_system_resume(struct device *dev) +{ + int ret; + + ret = pm_runtime_force_resume(dev); + if (ret < 0) { + dev_err(dev, "force resume %s failed!\n", dev_name(dev)); + return ret; + } + + return 0; +} + +static int csi_formatter_runtime_suspend(struct device *dev) +{ + struct v4l2_subdev *sd = dev_get_drvdata(dev); + struct csi_formatter *formatter = sd_to_formatter(sd); + + clk_disable_unprepare(formatter->clk); + + return 0; +} + +static int csi_formatter_runtime_resume(struct device *dev) +{ + struct v4l2_subdev *sd = dev_get_drvdata(dev); + struct csi_formatter *formatter = sd_to_formatter(sd); + + return clk_prepare_enable(formatter->clk); +} + +static const struct dev_pm_ops csi_formatter_pm_ops = { + SET_SYSTEM_SLEEP_PM_OPS(csi_formatter_system_suspend, + csi_formatter_system_resume) + SET_RUNTIME_PM_OPS(csi_formatter_runtime_suspend, + csi_formatter_runtime_resume, + NULL) +}; + +static int csi_formatter_probe(struct platform_device *pdev) +{ + struct device *dev = &pdev->dev; + struct csi_formatter *formatter; + u32 val; + int ret; + + formatter = devm_kzalloc(dev, sizeof(*formatter), GFP_KERNEL); + if (!formatter) + return -ENOMEM; + + formatter->dev = dev; + + formatter->regs = syscon_node_to_regmap(dev->parent->of_node); + if (IS_ERR(formatter->regs)) { + dev_err(dev, "Failed to get csi formatter regmap\n"); + return -ENODEV; + } + + ret = of_property_read_u32(dev->of_node, "reg", &val); + if (ret < 0) { + dev_err(dev, "Failed to get csi formatter reg property\n"); + return ret; + } + formatter->reg_offset = val; + + formatter->clk = devm_clk_get(dev, NULL); + if (IS_ERR(formatter->clk)) { + dev_err(dev, "Failed to get pixel clock\n"); + return PTR_ERR(formatter->clk); + } + + ret = csi_formatter_subdev_init(formatter); + if (ret < 0) { + dev_err(dev, "formatter subdev init fail\n"); + return ret; + } + + /* Initialize formatter pixel format */ + formatter->fmt = find_csi_format(formatter_default_fmt.code); + + ret = csi_formatter_async_register(formatter); + if (ret < 0) { + v4l2_subdev_cleanup(&formatter->sd); + dev_err(dev, "Async register failed\n"); + return ret; + } + + platform_set_drvdata(pdev, &formatter->sd); + + /* Enable runtime PM. */ + pm_runtime_enable(dev); + + return 0; +} + +static void csi_formatter_remove(struct platform_device *pdev) +{ + struct v4l2_subdev *sd = platform_get_drvdata(pdev); + struct csi_formatter *formatter = sd_to_formatter(sd); + + v4l2_async_nf_unregister(&formatter->notifier); + v4l2_async_nf_cleanup(&formatter->notifier); + v4l2_async_unregister_subdev(&formatter->sd); + + pm_runtime_disable(&pdev->dev); + media_entity_cleanup(&formatter->sd.entity); + pm_runtime_set_suspended(&pdev->dev); +} + +static const struct of_device_id csi_formatter_of_match[] = { + { .compatible = "fsl,imx9-csi-formatter" }, + { /* sentinel */ }, +}; +MODULE_DEVICE_TABLE(of, csi_formatter_of_match); + +static struct platform_driver csi_formatter_device_driver = { + .driver = { + .owner = THIS_MODULE, + .name = CSI_FORMATTER_DRV_NAME, + .of_match_table = csi_formatter_of_match, + .pm = &csi_formatter_pm_ops, + }, + .probe = csi_formatter_probe, + .remove = csi_formatter_remove, +}; + +module_platform_driver(csi_formatter_device_driver); + +MODULE_ALIAS("platform:" CSI_FORMATTER_DRV_NAME); +MODULE_AUTHOR("NXP Semiconductor, Inc."); +MODULE_DESCRIPTION("NXP i.MX9 CSI Pixel Formatter driver"); +MODULE_LICENSE("GPL"); -- 2.34.1