From patchwork Sat Oct 7 15:48:02 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Krishna Kurapati X-Patchwork-Id: 730386 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 4DE77E95A61 for ; Sat, 7 Oct 2023 15:49:19 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1343934AbjJGPtS (ORCPT ); Sat, 7 Oct 2023 11:49:18 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:45218 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1344062AbjJGPtR (ORCPT ); Sat, 7 Oct 2023 11:49:17 -0400 Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 2C1CEBC; Sat, 7 Oct 2023 08:49:16 -0700 (PDT) Received: from pps.filterd (m0279871.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.19/8.17.1.19) with ESMTP id 397FX0in019228; Sat, 7 Oct 2023 15:49:08 GMT DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=quicinc.com; h=from : to : cc : subject : date : message-id : in-reply-to : references : mime-version : content-transfer-encoding : content-type; s=qcppdkim1; bh=J4NP7JDmyt+wbcbtOopTBz9Qmtzk9G5xhxbI3dCwcv4=; b=bq6dyV9GOmh5M+TrQhd3cxlTsvGTIF7EXTKDLNFlKN6bHt6bG58/6JrUS1j2lWIJkaMy 7g1CfuOPRSM8BrVsJnAIWmSxbpmDGJORXWiLP7ghTa5IkbN/pjNpHzVFZdRg45krczme dclSoWhnEFdONLLSkOSeGkHulsunPuKQMKkqNTGLVdeErvzuhS3lQ/0NLKcyDYjd95+V Pz7ahyAK68V46p8zEqQv45zk1wFwQ59aJIFjlor91kZQ8zNQeogpV3/grk2kYqI84Hlx IiNBk/bPkALtKEj/3k0vT9OCBNtNWY5zmHraGsLBbQFRf+aRvcL8fa0QaRZ0jxZDeW51 HQ== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3tjxx88yfk-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 07 Oct 2023 15:49:07 +0000 Received: from nalasex01a.na.qualcomm.com (nalasex01a.na.qualcomm.com [10.47.209.196]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 397Fn6tW028797 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Sat, 7 Oct 2023 15:49:06 GMT Received: from hu-kriskura-hyd.qualcomm.com (10.80.80.8) by nalasex01a.na.qualcomm.com (10.47.209.196) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.36; Sat, 7 Oct 2023 08:49:00 -0700 From: Krishna Kurapati To: Thinh Nguyen , Greg Kroah-Hartman , Philipp Zabel , "Andy Gross" , Bjorn Andersson , "Konrad Dybcio" , Rob Herring , Krzysztof Kozlowski , Felipe Balbi , Wesley Cheng , Johan Hovold CC: , , , , , , , , , Krishna Kurapati Subject: [PATCH v13 06/10] usb: dwc3: qcom: Enable wakeup for applicable ports of multiport Date: Sat, 7 Oct 2023 21:18:02 +0530 Message-ID: <20231007154806.605-7-quic_kriskura@quicinc.com> X-Mailer: git-send-email 2.42.0 In-Reply-To: <20231007154806.605-1-quic_kriskura@quicinc.com> References: <20231007154806.605-1-quic_kriskura@quicinc.com> MIME-Version: 1.0 X-Originating-IP: [10.80.80.8] X-ClientProxiedBy: nasanex01b.na.qualcomm.com (10.46.141.250) To nalasex01a.na.qualcomm.com (10.47.209.196) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-GUID: JdczK7afancdIcBpmVGkdTP1YJQiM0tp X-Proofpoint-ORIG-GUID: JdczK7afancdIcBpmVGkdTP1YJQiM0tp X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.267,Aquarius:18.0.980,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2023-10-07_12,2023-10-06_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 malwarescore=0 bulkscore=0 impostorscore=0 suspectscore=0 phishscore=0 priorityscore=1501 mlxscore=0 spamscore=0 mlxlogscore=779 adultscore=0 lowpriorityscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.12.0-2309180000 definitions=main-2310070143 Precedence: bulk List-ID: X-Mailing-List: linux-arm-msm@vger.kernel.org Currently wakeup is supported by only single port controllers. Read speed of each port and accordingly enable IRQ's for those ports. Signed-off-by: Krishna Kurapati --- drivers/usb/dwc3/dwc3-qcom.c | 65 +++++++++++++++++++----------------- 1 file changed, 35 insertions(+), 30 deletions(-) diff --git a/drivers/usb/dwc3/dwc3-qcom.c b/drivers/usb/dwc3/dwc3-qcom.c index 863892284146..651b9775a0c2 100644 --- a/drivers/usb/dwc3/dwc3-qcom.c +++ b/drivers/usb/dwc3/dwc3-qcom.c @@ -90,7 +90,7 @@ struct dwc3_qcom { */ int phy_irq[NUM_PHY_IRQ - 1][DWC3_MAX_PORTS]; int hs_phy_irq; - enum usb_device_speed usb2_speed; + enum usb_device_speed usb2_speed[DWC3_MAX_PORTS]; struct extcon_dev *edev; struct extcon_dev *host_edev; @@ -335,7 +335,8 @@ static bool dwc3_qcom_is_host(struct dwc3_qcom *qcom) return dwc->xhci; } -static enum usb_device_speed dwc3_qcom_read_usb2_speed(struct dwc3_qcom *qcom) +static enum usb_device_speed dwc3_qcom_read_usb2_speed(struct dwc3_qcom *qcom, + int port_index) { struct dwc3 *dwc = platform_get_drvdata(qcom->dwc3); struct usb_device *udev; @@ -348,12 +349,10 @@ static enum usb_device_speed dwc3_qcom_read_usb2_speed(struct dwc3_qcom *qcom) /* * It is possible to query the speed of all children of - * USB2.0 root hub via usb_hub_for_each_child(). DWC3 code - * currently supports only 1 port per controller. So - * this is sufficient. + * USB2.0 root hub via usb_hub_for_each_child(). */ #ifdef CONFIG_USB - udev = usb_hub_find_child(hcd->self.root_hub, 1); + udev = usb_hub_find_child(hcd->self.root_hub, port_index + 1); #else udev = NULL; #endif @@ -386,23 +385,29 @@ static void dwc3_qcom_disable_wakeup_irq(int irq) static void dwc3_qcom_disable_interrupts(struct dwc3_qcom *qcom) { + int i; + dwc3_qcom_disable_wakeup_irq(qcom->hs_phy_irq); - if (qcom->usb2_speed == USB_SPEED_LOW) { - dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[DM_HS_PHY_IRQ_INDEX][0]); - } else if ((qcom->usb2_speed == USB_SPEED_HIGH) || - (qcom->usb2_speed == USB_SPEED_FULL)) { - dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[DP_HS_PHY_IRQ_INDEX][0]); - } else { - dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[DP_HS_PHY_IRQ_INDEX][0]); - dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[DM_HS_PHY_IRQ_INDEX][0]); - } + for (i = 0; i < qcom->num_ports; i++) { + if (qcom->usb2_speed[i] == USB_SPEED_LOW) { + dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[DM_HS_PHY_IRQ_INDEX][i]); + } else if ((qcom->usb2_speed[i] == USB_SPEED_HIGH) || + (qcom->usb2_speed[i] == USB_SPEED_FULL)) { + dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[DP_HS_PHY_IRQ_INDEX][i]); + } else { + dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[DP_HS_PHY_IRQ_INDEX][i]); + dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[DM_HS_PHY_IRQ_INDEX][i]); + } - dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[SS_PHY_IRQ_INDEX][0]); + dwc3_qcom_disable_wakeup_irq(qcom->phy_irq[SS_PHY_IRQ_INDEX][i]); + } } static void dwc3_qcom_enable_interrupts(struct dwc3_qcom *qcom) { + int i; + dwc3_qcom_enable_wakeup_irq(qcom->hs_phy_irq, 0); /* @@ -413,22 +418,24 @@ static void dwc3_qcom_enable_interrupts(struct dwc3_qcom *qcom) * disconnect and remote wakeup. When no device is connected, configure both * DP and DM lines as rising edge to detect HS/HS/LS device connect scenario. */ - - if (qcom->usb2_speed == USB_SPEED_LOW) { - dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[DM_HS_PHY_IRQ_INDEX][0], + for (i = 0; i < qcom->num_ports; i++) { + qcom->usb2_speed[i] = dwc3_qcom_read_usb2_speed(qcom, i); + if (qcom->usb2_speed[i] == USB_SPEED_LOW) { + dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[DM_HS_PHY_IRQ_INDEX][i], IRQ_TYPE_EDGE_FALLING); - } else if ((qcom->usb2_speed == USB_SPEED_HIGH) || - (qcom->usb2_speed == USB_SPEED_FULL)) { - dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[DP_HS_PHY_IRQ_INDEX][0], + } else if ((qcom->usb2_speed[i] == USB_SPEED_HIGH) || + (qcom->usb2_speed[i] == USB_SPEED_FULL)) { + dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[DP_HS_PHY_IRQ_INDEX][i], IRQ_TYPE_EDGE_FALLING); - } else { - dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[DP_HS_PHY_IRQ_INDEX][0], + } else { + dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[DP_HS_PHY_IRQ_INDEX][i], IRQ_TYPE_EDGE_RISING); - dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[DM_HS_PHY_IRQ_INDEX][0], + dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[DM_HS_PHY_IRQ_INDEX][i], IRQ_TYPE_EDGE_RISING); - } + } - dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[SS_PHY_IRQ_INDEX][0], 0); + dwc3_qcom_enable_wakeup_irq(qcom->phy_irq[SS_PHY_IRQ_INDEX][i], 0); + } } static int dwc3_qcom_suspend(struct dwc3_qcom *qcom, bool wakeup) @@ -454,10 +461,8 @@ static int dwc3_qcom_suspend(struct dwc3_qcom *qcom, bool wakeup) * The role is stable during suspend as role switching is done from a * freezable workqueue. */ - if (dwc3_qcom_is_host(qcom) && wakeup) { - qcom->usb2_speed = dwc3_qcom_read_usb2_speed(qcom); + if (dwc3_qcom_is_host(qcom) && wakeup) dwc3_qcom_enable_interrupts(qcom); - } qcom->is_suspended = true;