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=-20.4 required=3.0 tests=BAYES_00,DKIMWL_WL_MED, DKIM_SIGNED,DKIM_VALID,DKIM_VALID_AU,HEADER_FROM_DIFFERENT_DOMAINS, INCLUDES_PATCH,MAILING_LIST_MULTI,SIGNED_OFF_BY,SPF_HELO_NONE,SPF_PASS, URIBL_BLOCKED,USER_AGENT_GIT,USER_IN_DEF_DKIM_WL 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 0766DC433E7 for ; Tue, 20 Oct 2020 09:37:19 +0000 (UTC) Received: from vger.kernel.org (vger.kernel.org [23.128.96.18]) by mail.kernel.org (Postfix) with ESMTP id B6ABA222E8 for ; Tue, 20 Oct 2020 09:37:18 +0000 (UTC) Authentication-Results: mail.kernel.org; dkim=pass (2048-bit key) header.d=google.com header.i=@google.com header.b="J2YN8Pee" Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S2405792AbgJTJhO (ORCPT ); Tue, 20 Oct 2020 05:37:14 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:51078 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S2405715AbgJTJgn (ORCPT ); Tue, 20 Oct 2020 05:36:43 -0400 Received: from mail-qt1-x84a.google.com (mail-qt1-x84a.google.com [IPv6:2607:f8b0:4864:20::84a]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 1B9B1C061755 for ; Tue, 20 Oct 2020 02:36:43 -0700 (PDT) Received: by mail-qt1-x84a.google.com with SMTP id d22so1055039qtn.0 for ; Tue, 20 Oct 2020 02:36:43 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=google.com; s=20161025; h=sender:date:in-reply-to:message-id:mime-version:references:subject :from:to:cc; bh=RO8+F+AZynQ8z9gnNYSkehQkLC4PdmM+7OgKF65OMag=; b=J2YN8PeeFWvC4FqnPy0juAGSztPEz73SSov7sHYge5N5T/oEGGGypUdyXF1i711W+9 noEv04bglt9VXr107ZNu3D9U4XvADbdh8JN6ee0a5Uk7KAO9jphg4wvXUK6KEUCjxced xzwRhdTBkSUCZLNA/tRcriV15ikmZVeGdEqNbMY5ZzIfoQCidMpjLoyKoFYEHbMTFoih kmIrMauF+PbOiZjA7CGcG+PY9BxM183bRGBkU+0IZBqcyyXX85yUYt2OS/nXk4FMSoI+ ShrLZu+hIri57MgNd3bZErvYqWPlWU78wtI3fcsYJOgNzJ9afUoXOdAf8hS1y4gwFAVF 61MQ== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:sender:date:in-reply-to:message-id:mime-version :references:subject:from:to:cc; bh=RO8+F+AZynQ8z9gnNYSkehQkLC4PdmM+7OgKF65OMag=; b=JC9uxmMb9XrRp6lXet47z7p0AWpuIeIGMn0KLH9HZBU/5NqCoXTe71Ih7P5zxWSPYO Dmeuj5CJDyyKmOFzS1Mb83OiAls5qVgSvUDAWNY3vVnjS+kpxYuqaSyaBBbdEcC3FEWT UCaw9knXsXM3HVRDbu0mEAT8DGpnWiKjA5XXdsPbcriowufkVvGDyPyx0/e+fz+y072W 5jYBzWlOHyxIf/f6/1/ph6SCD4yRBzVwxr1Kl0KYeGWkgdRollWmpzop6NBGPBiEaqKG Rd5kCJqGV+Mgxq71ThF+V3zXVl5vnBGtUcZkKAt3pHc7mHA8qGK97MgZfBSEGytQUtBv 72hg== X-Gm-Message-State: AOAM531Kzb9NxaJYzHhyTFWJEjw0g7rPvDQRpM2ySZyqY3Bx5HZ+Whnf Ub0jn+DSzM+xe3blr9ZYQQiKlL9g4jo= X-Google-Smtp-Source: ABdhPJxNUWy8MGQheEG5DT4g6p4ce7dS600GhbxebDD+eleqGUeWD64PLCAMr3ylmd1nojOGxXcAhfKgow8= Sender: "badhri via sendgmr" X-Received: from badhri.mtv.corp.google.com ([2620:15c:211:1:f292:1cff:fee0:66cf]) (user=badhri job=sendgmr) by 2002:ad4:5547:: with SMTP id v7mr2301078qvy.9.1603186602279; Tue, 20 Oct 2020 02:36:42 -0700 (PDT) Date: Tue, 20 Oct 2020 02:36:22 -0700 In-Reply-To: <20201020093627.256885-1-badhri@google.com> Message-Id: <20201020093627.256885-6-badhri@google.com> Mime-Version: 1.0 References: <20201020093627.256885-1-badhri@google.com> X-Mailer: git-send-email 2.29.0.rc1.297.gfa9743e501-goog Subject: [PATCH v11 05/10] usb: typec: tcpm: frs sourcing vbus callback From: Badhri Jagan Sridharan To: Guenter Roeck , Heikki Krogerus , Greg Kroah-Hartman , Rob Herring , Lee Jones , Mark Brown , Maxime Ripard , Alexandre Belloni , Thierry Reding , Prashant Malani , Badhri Jagan Sridharan Cc: devicetree@vger.kernel.org, linux-kernel@vger.kernel.org, linux-usb@vger.kernel.org Content-Type: text/plain; charset="UTF-8" Precedence: bulk List-ID: X-Mailing-List: devicetree@vger.kernel.org During FRS hardware autonomously starts to source vbus. Provide callback to perform chip specific operations. Signed-off-by: Badhri Jagan Sridharan Reviewed-by: Heikki Krogerus --- Introduced in v9. Changes since v10: Added Reviewed-by: Heikki Krogerus --- drivers/usb/typec/tcpm/tcpm.c | 9 +++++++++ include/linux/usb/tcpm.h | 4 ++++ 2 files changed, 13 insertions(+) diff --git a/drivers/usb/typec/tcpm/tcpm.c b/drivers/usb/typec/tcpm/tcpm.c index 561480b67bce..0123d2f14c96 100644 --- a/drivers/usb/typec/tcpm/tcpm.c +++ b/drivers/usb/typec/tcpm/tcpm.c @@ -4091,7 +4091,16 @@ static void _tcpm_pd_vbus_on(struct tcpm_port *port) case SRC_TRY_DEBOUNCE: /* Do nothing, waiting for sink detection */ break; + case FR_SWAP_SEND: + case FR_SWAP_SEND_TIMEOUT: + case FR_SWAP_SNK_SRC_TRANSITION_TO_OFF: + case FR_SWAP_SNK_SRC_SOURCE_VBUS_APPLIED: + if (port->tcpc->frs_sourcing_vbus) + port->tcpc->frs_sourcing_vbus(port->tcpc); + break; case FR_SWAP_SNK_SRC_NEW_SINK_READY: + if (port->tcpc->frs_sourcing_vbus) + port->tcpc->frs_sourcing_vbus(port->tcpc); tcpm_set_state(port, FR_SWAP_SNK_SRC_SOURCE_VBUS_APPLIED, 0); break; diff --git a/include/linux/usb/tcpm.h b/include/linux/usb/tcpm.h index 09762d26fa0c..7303f518ba49 100644 --- a/include/linux/usb/tcpm.h +++ b/include/linux/usb/tcpm.h @@ -83,6 +83,9 @@ enum tcpm_transmit_type { * Optional; Called to enable/disable PD 3.0 fast role swap. * Enabling frs is accessory dependent as not all PD3.0 * accessories support fast role swap. + * @frs_sourcing_vbus: + * Optional; Called to notify that vbus is now being sourced. + * Low level drivers can perform chip specific operations, if any. */ struct tcpc_dev { struct fwnode_handle *fwnode; @@ -109,6 +112,7 @@ struct tcpc_dev { const struct pd_message *msg); int (*set_bist_data)(struct tcpc_dev *dev, bool on); int (*enable_frs)(struct tcpc_dev *dev, bool enable); + void (*frs_sourcing_vbus)(struct tcpc_dev *dev); }; struct tcpm_port; -- 2.29.0.rc1.297.gfa9743e501-goog