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 X-Spam-Level: X-Spam-Status: No, score=-13.0 required=3.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,HEADER_FROM_DIFFERENT_DOMAINS,INCLUDES_PATCH,MAILING_LIST_MULTI, MSGID_FROM_MTA_HEADER,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS,URIBL_BLOCKED, USER_AGENT_GIT autolearn=unavailable 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 0AEF8C433E7 for ; Mon, 20 Jul 2020 09:06:39 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id DA07A2080D for ; Mon, 20 Jul 2020 09:06:38 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (1024-bit key) header.d=NXP1.onmicrosoft.com header.i=@NXP1.onmicrosoft.com header.b="QabxsoiY" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1728067AbgGTJGh (ORCPT ); Mon, 20 Jul 2020 05:06:37 -0400 Received: from mail-eopbgr00049.outbound.protection.outlook.com ([40.107.0.49]:23200 "EHLO EUR02-AM5-obe.outbound.protection.outlook.com" rhost-flags-OK-OK-OK-FAIL) by vger.kernel.org with ESMTP id S1725815AbgGTJGd (ORCPT ); Mon, 20 Jul 2020 05:06:33 -0400 ARC-Seal: i=1; a=rsa-sha256; s=arcselector9901; d=microsoft.com; cv=none; b=E7jg0KldnLkHrvv3VP5lBHPe1MF6kc+AHYUgdtg/t1c8Bm9cmgyWT6/dX8OQIw4zlWrNjM3gsdbgGze9OOT10gTkQbnYva1hXE9WjDpGIwh4ZuG+GUtTjbMERIyRYNOmmM4yo+4obisB7TnpafEtt0gc7S6BUWgTG32Q7TCiK2wFjy3h1+skAUN9FbWur0XRCQvFc/3qSb00t5XkhZVqsMtMfX2/IMNxkTRzNmu0Z97G2xvEb3gmMDPCTBvsv+P9R+aSTXTfy4dPO9FgIJkU0eeE75yjWlzt/OEY3qzZ9Q/WG5GFfsonrnPs5QzDOrAQ/uaB5TJja/mZmQnZqyWZFg== ARC-Message-Signature: i=1; a=rsa-sha256; c=relaxed/relaxed; d=microsoft.com; s=arcselector9901; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=V4tkTVJhaQJgyRDVhhwmuMUkig9/nJ7H48p80baDRGc=; b=XJQABKjdEHJhDQRbQqMj1sCg/16OiSnaI+SeZG4XTl6V0qZeC/yAL2d3AFKZbFyJqcSaM+yVyx3GixAtCDruhKkoLvCPVVxj+DM/x7W2Xpa/HEJXklFWAiQndB+7oMpb4/b/ZAEyPmcisxFEIPU3fT+YR/rS+ouv52FgyLHtq72U3dOBKQ0oGf+TFogZ4mqAkRUYfkMO16/nLzepZ1ZF8ceGS3YYA3wZb20QColfOInVhpFGfkNkwUd2bZObnSo1AGHCfuZUcYth7Bdt8nkTwGib6BJ0ZUQJmXHPduImIsUxrjiONBcY1a6feLSESkbl30Tp0Ad3NbrZgTgsGQhLoQ== 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=selector2-NXP1-onmicrosoft-com; h=From:Date:Subject:Message-ID:Content-Type:MIME-Version:X-MS-Exchange-SenderADCheck; bh=V4tkTVJhaQJgyRDVhhwmuMUkig9/nJ7H48p80baDRGc=; b=QabxsoiYGK70lQzUMszk09vUPynH+YORHHdIDXbH1cA760pzOD2ilAStrRcaZ3P9J/fDlX+sM920dy/y08rzBY9N3pvfPFSlDAW0DhxdNcqFBO0CglcHbzCoAZu9VSv0WgaUzsFTNK++IZSQKmpmAQ0PeTJHIQH4N9qYtTdyCT0= Authentication-Results: kernel.org; dkim=none (message not signed) header.d=none;kernel.org; dmarc=none action=none header.from=oss.nxp.com; Received: from AM4PR0401MB2401.eurprd04.prod.outlook.com (2603:10a6:200:47::26) by AM0PR0402MB3762.eurprd04.prod.outlook.com (2603:10a6:208:3::13) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.20.3195.23; Mon, 20 Jul 2020 09:06:23 +0000 Received: from AM4PR0401MB2401.eurprd04.prod.outlook.com ([fe80::d0eb:f746:90e:44b3]) by AM4PR0401MB2401.eurprd04.prod.outlook.com ([fe80::d0eb:f746:90e:44b3%12]) with mapi id 15.20.3195.025; Mon, 20 Jul 2020 09:06:23 +0000 From: franck.lenormand@oss.nxp.com To: shawnguo@kernel.org, s.hauer@pengutronix.de, festevam@gmail.com Cc: franck.lenormand@oss.nxp.com, kernel@pengutronix.de, linux-kernel@vger.kernel.org, linux-arm-kernel@lists.infradead.org, linux-imx@nxp.com, aisheng.dong@nxp.com, abel.vesa@nxp.com, Anson.Huang@nxp.com, linux@rempel-privat.de, leonard.crestez@nxp.com, daniel.baluta@nxp.com, qiangqing.zhang@nxp.com, peng.fan@nxp.com Subject: [PATCH 4/7] firmware: imx: scu-irq: Add API to retrieve status of IRQ Date: Mon, 20 Jul 2020 11:06:14 +0200 Message-Id: <1595235977-106241-5-git-send-email-franck.lenormand@oss.nxp.com> X-Mailer: git-send-email 2.7.4 In-Reply-To: <1595235977-106241-1-git-send-email-franck.lenormand@oss.nxp.com> References: <1595235977-106241-1-git-send-email-franck.lenormand@oss.nxp.com> Content-Type: text/plain X-ClientProxiedBy: AM0PR10CA0075.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:15::28) To AM4PR0401MB2401.eurprd04.prod.outlook.com (2603:10a6:200:47::26) MIME-Version: 1.0 X-MS-Exchange-MessageSentRepresentingType: 1 Received: from SOPDPUATS05.ea.freescale.net (81.1.10.98) by AM0PR10CA0075.EURPRD10.PROD.OUTLOOK.COM (2603:10a6:208:15::28) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_128_CBC_SHA256) id 15.20.3195.18 via Frontend Transport; Mon, 20 Jul 2020 09:06:22 +0000 X-Mailer: git-send-email 2.7.4 X-Originating-IP: [81.1.10.98] X-MS-PublicTrafficType: Email X-MS-Office365-Filtering-HT: Tenant X-MS-Office365-Filtering-Correlation-Id: cc80cd42-f709-4a1d-f569-08d82c8c2ce8 X-MS-TrafficTypeDiagnostic: AM0PR0402MB3762: X-MS-Exchange-SharedMailbox-RoutingAgent-Processed: True X-MS-Exchange-Transport-Forked: True X-Microsoft-Antispam-PRVS: X-MS-Oob-TLC-OOBClassifiers: OLM:363; X-MS-Exchange-SenderADCheck: 1 X-Microsoft-Antispam: BCL:0; X-Microsoft-Antispam-Message-Info: GEHLTrrlNKfq1NOWiYa+vBxcQ8ZrfATja6z3ezsRH0v0+yxeaOYtsleTIKUqrGNfPJQwfgkiPRxn5fmuctYfJcpoPWdrGczxY6RjanMgAH5145ygYvHqJajAdWndyz4Vz6O4vl6wrddwp63hvVcD4X8IbNNKQvv4mKB8eTOEV6h1B6nCtHXNxMfQkxw7IwrFBOJB2zmoelrQIHEpaIwGyWueddRVyMMT/OZJZt99nS2IYJv1cO+kTYyiAqt6rIqSfjRXQjQ6vPJ3cy7glKt5D4a0cotcIG3Emz3ZiCgQUe8uY3+ACBjXqDuE2u6Aac32NJzc1qCwjUFGKCWTtKXjJg== X-Forefront-Antispam-Report: CIP:255.255.255.255;CTRY:;LANG:en;SCL:1;SRV:;IPV:NLI;SFV:NSPM;H:AM4PR0401MB2401.eurprd04.prod.outlook.com;PTR:;CAT:NONE;SFTY:;SFS:(4636009)(396003)(366004)(136003)(346002)(39860400002)(376002)(6512007)(316002)(66476007)(66946007)(66556008)(2906002)(6666004)(9686003)(8676002)(8936002)(86362001)(83380400001)(5660300002)(26005)(186003)(16526019)(2616005)(6506007)(956004)(6486002)(478600001)(52116002)(4326008);DIR:OUT;SFP:1101; X-MS-Exchange-AntiSpam-MessageData: a3ltl6OX+LAOv9PblBoivGfdt9iqntoQ5pfFK7qU2O3s7EimLyXyMphGbNC5PXB3bNs0LEHx/RtNY1t6ttKna36uyjrDTcsFgNqPJyPnoLuQ33WbXGxa2BtcauYxdVTR4LFa9xQQzsWDb5fNYBFw8r70gqNGXMmg5IdWkqZBvhX0VeBSZYDOS4wDY78GuuGCAaxFtNtC5RawaH9JpDnaTrg5EeK5UltJHofFu1901vOKPWeyHqqJvjdiXdgkePhIMY4/lAlKWBdbkTGrTlEYbaseJGNHaL4oFtDowu3KIbcVK8gci/AhQ4Zjk9E20FX+OmDvSZkCXcHl1a2Nv9v8aja6yJ0IIZ2TPossg7JrZMJevDe3JcDu6qn25TQIAKg2vWYhIbP4SbTk5JTw6HeRmxeWwLC0tLfYEnbtYwGhNZjG0o8qNR1Kp86SDhwpTshR3UZXs3hTHTNin7rviU2zCDqQn+0euqZ3GNRV/sNCLjw= X-OriginatorOrg: oss.nxp.com X-MS-Exchange-CrossTenant-Network-Message-Id: cc80cd42-f709-4a1d-f569-08d82c8c2ce8 X-MS-Exchange-CrossTenant-AuthSource: AM4PR0401MB2401.eurprd04.prod.outlook.com X-MS-Exchange-CrossTenant-AuthAs: Internal X-MS-Exchange-CrossTenant-OriginalArrivalTime: 20 Jul 2020 09:06:23.5122 (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: vpQ52HhxwrSck5wTO6Emz/tdHrdX1PGv042EyER7fwvqI0PiHWMlRRW+xZL+/xn+Z9/M8l6ihX5YayicQzGps21C6b7EEWMJ88fRRO3Nx/w= X-MS-Exchange-Transport-CrossTenantHeadersStamped: AM0PR0402MB3762 Sender: linux-kernel-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-kernel@vger.kernel.org From: Franck LENORMAND This patch adds the API to retrieve the status of an IRQ. It also adds values used to process SECVIO IRQ from the SCU. Signed-off-by: Franck LENORMAND --- drivers/firmware/imx/imx-scu-irq.c | 37 ++++++++++++++++++++++++++++++++++++- include/linux/firmware/imx/sci.h | 4 ++++ 2 files changed, 40 insertions(+), 1 deletion(-) diff --git a/drivers/firmware/imx/imx-scu-irq.c b/drivers/firmware/imx/imx-scu-irq.c index db655e8..4de6486 100644 --- a/drivers/firmware/imx/imx-scu-irq.c +++ b/drivers/firmware/imx/imx-scu-irq.c @@ -1,6 +1,6 @@ // SPDX-License-Identifier: GPL-2.0+ /* - * Copyright 2019 NXP + * Copyright 2019-2020 NXP * * Implementation of the SCU IRQ functions using MU. * @@ -95,6 +95,41 @@ static void imx_scu_irq_work_handler(struct work_struct *work) } } +/** + * imx_scu_irq_get_status() - Get the status of the IRQs of a group + * + * @group: The group of IRQ to retrieve status + * @irq_status: Status of the IRQs retrieved + * + * Return: + * 0 - OK + * < 0 - error. + */ +int imx_scu_irq_get_status(u8 group, u32 *irq_status) +{ + struct imx_sc_msg_irq_get_status msg; + struct imx_sc_rpc_msg *hdr = &msg.hdr; + int ret; + + hdr->ver = IMX_SC_RPC_VERSION; + hdr->svc = IMX_SC_RPC_SVC_IRQ; + hdr->func = IMX_SC_IRQ_FUNC_STATUS; + hdr->size = 2; + + msg.data.req.resource = mu_resource_id; + msg.data.req.group = group; + + ret = imx_scu_call_rpc(imx_sc_irq_ipc_handle, &msg, true); + if (ret) + return ret; + + if (irq_status) + *irq_status = msg.data.resp.status; + + return 0; +} +EXPORT_SYMBOL(imx_scu_irq_get_status); + int imx_scu_irq_group_enable(u8 group, u32 mask, u8 enable) { struct imx_sc_msg_irq_enable msg; diff --git a/include/linux/firmware/imx/sci.h b/include/linux/firmware/imx/sci.h index 97245e5..a27d069 100644 --- a/include/linux/firmware/imx/sci.h +++ b/include/linux/firmware/imx/sci.h @@ -17,8 +17,12 @@ #include #include +#define IMX_SC_IRQ_GROUP_WAKE 3U /* Wakeup interrupts */ +#define IMX_SC_IRQ_SECVIO BIT(6) /* Security violation */ + int imx_scu_enable_general_irq_channel(struct device *dev); int imx_scu_irq_register_notifier(struct notifier_block *nb); int imx_scu_irq_unregister_notifier(struct notifier_block *nb); int imx_scu_irq_group_enable(u8 group, u32 mask, u8 enable); +int imx_scu_irq_get_status(u8 group, u32 *irq_status); #endif /* _SC_SCI_H */ -- 2.7.4