Message ID | 20240208231406.27397-18-quic_wcheng@quicinc.com |
---|---|
State | New |
Headers |
Return-Path: <linux-kernel+bounces-58825-ouuuleilei=gmail.com@vger.kernel.org> Delivered-To: ouuuleilei@gmail.com Received: by 2002:a05:7300:50ea:b0:106:860b:bbdd with SMTP id r10csp516311dyd; Thu, 8 Feb 2024 15:30:49 -0800 (PST) X-Google-Smtp-Source: AGHT+IG6A+onMQeXWXGtmr6RPlkpvClKZt02H+3wy7lvdkr3T2BiKs9fS7LkIK3oRZ471ikmLFCi X-Received: by 2002:a05:6358:8aa:b0:179:2771:69b with SMTP id m42-20020a05635808aa00b001792771069bmr734110rwj.29.1707435049032; Thu, 08 Feb 2024 15:30:49 -0800 (PST) ARC-Seal: i=2; a=rsa-sha256; t=1707435048; cv=pass; d=google.com; s=arc-20160816; b=Md6FWb0PrCnwYyUbV5yWBbG9yuJgaOOJybZ86Xlj5ejPV4nOreew7e6HWlL9uDBESv Izj7OG+zEBGHAM0oceubjYvoA3/CayqJ3oK9ozYhHDNby0SqIGvdQKRzCmqMWX9RGSBh g1iMa8Cj+qW4xCFX5t3/PxHh0nR/bQCtQD9EtuEMDNG3/R8rLehp0N1ifVAFwVdExlQe Mvx2BM7gt96Aj/C8S0wANoWN/LVKtFP5BP7XtDqdYtUiEe95qN+grkFGLQPTBBzt+OG1 q+XodAP2r/GG58ukyml31sJyLekTg7vCnjOY+v5CUVTgtZcfGFGT11fRtiFZcUTmeQ1D eqpQ== ARC-Message-Signature: i=2; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=arc-20160816; h=mime-version:list-unsubscribe:list-subscribe:list-id:precedence :references:in-reply-to:message-id:date:subject:cc:to:from :dkim-signature; bh=R0hg4dDBYEp27ZuNyVb3W+iuKNUNsrbwtnpJmQVwa24=; fh=vckLp/hvliRIHVxn1sAltPVFYjYuuZ9711DpkwZ6lbI=; b=oK+oj2r8F6y4gvOy9Jax+sWSI2jV1dpJVsorxRYNb/ygujFBV9iIyyPyER/7tB9OWs GIeZNlMjTNs8rrQLvJCpYA7BUPOdMx3pSEY490jrUCT/8ovFYtbxba0X5AGh9zSKBi3e Xe/al6PWVPUUDQhg577fhFKL5Q0CMkAx6OJvxRoxJH65ecbjUH1ODwQypDaaXOXtUISb 0qhEx1EwIeYdVRmcFzH10YffkaLuE68yRcqlWFXqKXAdo0td2PVw7RAqahyYwGgH5urP aM0gryBO+pFC7rTBj6W4BiYVBpWTVZSgVjkUMvd1cas07fDrn7nEdJjlHjBHg3WEWJyR P1AQ==; dara=google.com ARC-Authentication-Results: i=2; mx.google.com; dkim=pass header.i=@quicinc.com header.s=qcppdkim1 header.b=FTjnsN7f; arc=pass (i=1 spf=pass spfdomain=quicinc.com dkim=pass dkdomain=quicinc.com dmarc=pass fromdomain=quicinc.com); spf=pass (google.com: domain of linux-kernel+bounces-58825-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-58825-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=quicinc.com X-Forwarded-Encrypted: i=2; AJvYcCW8hxszJU3sgMhkbGkl6nkyKI+XVFPTwGtkFB3KLkJSHhZP1KeAnb+EeD/LCH7lS3RUKc669datO3q5he718W0qVOVbdw== Received: from sv.mirrors.kernel.org (sv.mirrors.kernel.org. [2604:1380:45e3:2400::1]) by mx.google.com with ESMTPS id h189-20020a6383c6000000b005dc352a563csi599397pge.348.2024.02.08.15.30.48 for <ouuuleilei@gmail.com> (version=TLS1_3 cipher=TLS_AES_256_GCM_SHA384 bits=256/256); Thu, 08 Feb 2024 15:30:48 -0800 (PST) Received-SPF: pass (google.com: domain of linux-kernel+bounces-58825-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) client-ip=2604:1380:45e3:2400::1; Authentication-Results: mx.google.com; dkim=pass header.i=@quicinc.com header.s=qcppdkim1 header.b=FTjnsN7f; arc=pass (i=1 spf=pass spfdomain=quicinc.com dkim=pass dkdomain=quicinc.com dmarc=pass fromdomain=quicinc.com); spf=pass (google.com: domain of linux-kernel+bounces-58825-ouuuleilei=gmail.com@vger.kernel.org designates 2604:1380:45e3:2400::1 as permitted sender) smtp.mailfrom="linux-kernel+bounces-58825-ouuuleilei=gmail.com@vger.kernel.org"; dmarc=pass (p=NONE sp=NONE dis=NONE) header.from=quicinc.com Received: from smtp.subspace.kernel.org (wormhole.subspace.kernel.org [52.25.139.140]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by sv.mirrors.kernel.org (Postfix) with ESMTPS id B1E9928222E for <ouuuleilei@gmail.com>; Thu, 8 Feb 2024 23:29:08 +0000 (UTC) Received: from localhost.localdomain (localhost.localdomain [127.0.0.1]) by smtp.subspace.kernel.org (Postfix) with ESMTP id 06D5560DF0; Thu, 8 Feb 2024 23:15:05 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b="FTjnsN7f" Received: from mx0b-0031df01.pphosted.com (mx0b-0031df01.pphosted.com [205.220.180.131]) (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 CFD0C50A64; Thu, 8 Feb 2024 23:14:38 +0000 (UTC) Authentication-Results: smtp.subspace.kernel.org; arc=none smtp.client-ip=205.220.180.131 ARC-Seal: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707434082; cv=none; b=o/GRnR69Ni/gsgOmqiBKBfQVhn8g+lGaEHa0HDracfLKdkVmm5xN99DvcRFUx/MHGsMAZHWFyvm2k0VMgZWNRpp/sswHRKcmpi1EUc2BnuwuOGRPOc6e/wNHRbbQDSvDbcdz/Ie8LgdPrZ0eK6vWILhBzLXc0uAeCP6MTgt2mps= ARC-Message-Signature: i=1; a=rsa-sha256; d=subspace.kernel.org; s=arc-20240116; t=1707434082; c=relaxed/simple; bh=SI/xXqTaKb918srbROgcUJ5EMq0uUfJ689ErJLs6vMk=; h=From:To:CC:Subject:Date:Message-ID:In-Reply-To:References: MIME-Version:Content-Type; b=AHke/d2EWjvjzXu5cmuWFSnEIeM17N+K6u7iRVYkP8+ZC0l26X3aDqEOQb6sXySCZiFoLXrVpR7w/GLZfjPhrAbJXBbJpEW59kfhfwSo2SHk7H3Dlnu6yPZ8jIhaZQBdxFx2aoHoo7WpHldTuu8FQEjfEaQ7uFyIZgJr6yYW/K0= ARC-Authentication-Results: i=1; smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com; spf=pass smtp.mailfrom=quicinc.com; dkim=pass (2048-bit key) header.d=quicinc.com header.i=@quicinc.com header.b=FTjnsN7f; arc=none smtp.client-ip=205.220.180.131 Authentication-Results: smtp.subspace.kernel.org; dmarc=pass (p=none dis=none) header.from=quicinc.com Authentication-Results: smtp.subspace.kernel.org; spf=pass smtp.mailfrom=quicinc.com Received: from pps.filterd (m0279873.ppops.net [127.0.0.1]) by mx0a-0031df01.pphosted.com (8.17.1.24/8.17.1.24) with ESMTP id 418NEMq7019885; Thu, 8 Feb 2024 23:14:22 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-type; s=qcppdkim1; bh=R0hg4dDBYEp27ZuNyVb3 W+iuKNUNsrbwtnpJmQVwa24=; b=FTjnsN7fdVxAc2UvYiKmD7fm7FQr8NGOD5oG hylWH/q5ztdYWV8QEYQDwtQT4b2FDgKSFbl7k3VjeoMq0/zmueXyAGq4n5u+PLPh tzLFBZftaxflalTmf6LOk+ormn9pJSykakdjhC/mwJVG8xDlBQh3GQoLtKSPS/c7 vLXmo9Xj+G27ySI4NjYgG63iNECeqvF9Ng3kkO0wd4O7y9QyBcbHt3NEJsMazCI7 j9eZwsf4qvLXNmtpT54g6bVPXSAMUJM4ZaaT9PXWVWXsRC3hmTkK0RbTVQUggwKw dqfE83RXKDmy78hEKncHWD3az8clMAWuRd29aK8kwEaX2MmROQ== Received: from nalasppmta03.qualcomm.com (Global_NAT1.qualcomm.com [129.46.96.20]) by mx0a-0031df01.pphosted.com (PPS) with ESMTPS id 3w4m3ak1pc-1 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 08 Feb 2024 23:14:21 +0000 (GMT) Received: from nalasex01b.na.qualcomm.com (nalasex01b.na.qualcomm.com [10.47.209.197]) by NALASPPMTA03.qualcomm.com (8.17.1.5/8.17.1.5) with ESMTPS id 418NEKeM009184 (version=TLSv1.2 cipher=ECDHE-RSA-AES256-GCM-SHA384 bits=256 verify=NOT); Thu, 8 Feb 2024 23:14:20 GMT Received: from hu-wcheng-lv.qualcomm.com (10.49.16.6) by nalasex01b.na.qualcomm.com (10.47.209.197) with Microsoft SMTP Server (version=TLS1_2, cipher=TLS_ECDHE_RSA_WITH_AES_256_GCM_SHA384) id 15.2.1118.40; Thu, 8 Feb 2024 15:14:20 -0800 From: Wesley Cheng <quic_wcheng@quicinc.com> To: <srinivas.kandagatla@linaro.org>, <mathias.nyman@intel.com>, <perex@perex.cz>, <conor+dt@kernel.org>, <corbet@lwn.net>, <lgirdwood@gmail.com>, <andersson@kernel.org>, <krzysztof.kozlowski+dt@linaro.org>, <gregkh@linuxfoundation.org>, <Thinh.Nguyen@synopsys.com>, <broonie@kernel.org>, <bgoswami@quicinc.com>, <tiwai@suse.com>, <robh+dt@kernel.org>, <konrad.dybcio@linaro.org> CC: <linux-kernel@vger.kernel.org>, <devicetree@vger.kernel.org>, <linux-sound@vger.kernel.org>, <linux-usb@vger.kernel.org>, <linux-arm-msm@vger.kernel.org>, <linux-doc@vger.kernel.org>, <alsa-devel@alsa-project.org>, Wesley Cheng <quic_wcheng@quicinc.com> Subject: [PATCH v14 17/53] usb: host: xhci-sideband: Expose a sideband interrupter enable API Date: Thu, 8 Feb 2024 15:13:30 -0800 Message-ID: <20240208231406.27397-18-quic_wcheng@quicinc.com> X-Mailer: git-send-email 2.17.1 In-Reply-To: <20240208231406.27397-1-quic_wcheng@quicinc.com> References: <20240208231406.27397-1-quic_wcheng@quicinc.com> Precedence: bulk X-Mailing-List: linux-kernel@vger.kernel.org List-Id: <linux-kernel.vger.kernel.org> List-Subscribe: <mailto:linux-kernel+subscribe@vger.kernel.org> List-Unsubscribe: <mailto:linux-kernel+unsubscribe@vger.kernel.org> MIME-Version: 1.0 Content-Type: text/plain X-ClientProxiedBy: nalasex01c.na.qualcomm.com (10.47.97.35) To nalasex01b.na.qualcomm.com (10.47.209.197) X-QCInternal: smtphost X-Proofpoint-Virus-Version: vendor=nai engine=6200 definitions=5800 signatures=585085 X-Proofpoint-ORIG-GUID: UMRFRDIAwbd-beul10c12h01cINUObdh X-Proofpoint-GUID: UMRFRDIAwbd-beul10c12h01cINUObdh X-Proofpoint-Virus-Version: vendor=baseguard engine=ICAP:2.0.272,Aquarius:18.0.1011,Hydra:6.0.619,FMLib:17.11.176.26 definitions=2024-02-08_11,2024-02-08_01,2023-05-22_02 X-Proofpoint-Spam-Details: rule=outbound_notspam policy=outbound score=0 mlxscore=0 suspectscore=0 bulkscore=0 lowpriorityscore=0 impostorscore=0 phishscore=0 mlxlogscore=864 adultscore=0 priorityscore=1501 malwarescore=0 spamscore=0 clxscore=1015 classifier=spam adjust=0 reason=mlx scancount=1 engine=8.19.0-2401310000 definitions=main-2402080131 X-getmail-retrieved-from-mailbox: INBOX X-GMAIL-THRID: 1790375414195742928 X-GMAIL-MSGID: 1790375414195742928 |
Series |
Introduce QC USB SND audio offloading support
|
|
Commit Message
Wesley Cheng
Feb. 8, 2024, 11:13 p.m. UTC
Some use cases maybe require that the secondary interrupter's events to
be handled by the OS. In this case, configure the IMOD and the
skip_events property to enable the interrupter's events. By default,
assume that the secondary interrupter doesn't want to enable OS event
handling.
Signed-off-by: Wesley Cheng <quic_wcheng@quicinc.com>
---
drivers/usb/host/xhci-sideband.c | 28 ++++++++++++++++++++++++++++
include/linux/usb/xhci-sideband.h | 2 ++
2 files changed, 30 insertions(+)
diff --git a/drivers/usb/host/xhci-sideband.c b/drivers/usb/host/xhci-sideband.c index 0944bf31d772..504a6f1586b5 100644 --- a/drivers/usb/host/xhci-sideband.c +++ b/drivers/usb/host/xhci-sideband.c @@ -237,6 +237,30 @@ xhci_sideband_get_event_buffer(struct xhci_sideband *sb) } EXPORT_SYMBOL_GPL(xhci_sideband_get_event_buffer); +/** + * xhci_sideband_enable_interrupt - enable interrupt for secondary interrupter + * @sb: sideband instance for this usb device + * @imod_interval: number of event ring segments to allocate + * + * Enables OS owned event handling for a particular interrupter if client + * requests for it. In addition, set the IMOD interval for this particular + * interrupter. + * + * Returns 0 on success, negative error otherwise + */ +int xhci_sideband_enable_interrupt(struct xhci_sideband *sb, u32 imod_interval) +{ + if (!sb || !sb->ir) + return -ENODEV; + + xhci_set_interrupter_moderation(sb->ir, imod_interval); + sb->ir->skip_events = false; + xhci_enable_interrupter(sb->ir); + + return 0; +} +EXPORT_SYMBOL_GPL(xhci_sideband_enable_interrupt); + /** * xhci_sideband_create_interrupter - creates a new interrupter for this sideband * @sb: sideband instance for this usb device @@ -275,6 +299,8 @@ xhci_sideband_create_interrupter(struct xhci_sideband *sb, int num_seg, } sb->ir->ip_autoclear = ip_autoclear; + /* skip events for secondary interrupters by default */ + sb->ir->skip_events = true; out: mutex_unlock(&sb->mutex); @@ -297,6 +323,8 @@ xhci_sideband_remove_interrupter(struct xhci_sideband *sb) return; mutex_lock(&sb->mutex); + if (!sb->ir->skip_events) + xhci_disable_interrupter(sb->ir); xhci_remove_secondary_interrupter(xhci_to_hcd(sb->xhci), sb->ir); sb->ir = NULL; diff --git a/include/linux/usb/xhci-sideband.h b/include/linux/usb/xhci-sideband.h index 1035dae43cee..a749ae307ba7 100644 --- a/include/linux/usb/xhci-sideband.h +++ b/include/linux/usb/xhci-sideband.h @@ -54,6 +54,8 @@ xhci_sideband_get_endpoint_buffer(struct xhci_sideband *sb, struct sg_table * xhci_sideband_get_event_buffer(struct xhci_sideband *sb); +int xhci_sideband_enable_interrupt(struct xhci_sideband *sb, u32 imod_interval); + int xhci_sideband_create_interrupter(struct xhci_sideband *sb, int num_seg, bool ip_autoclear);