From patchwork Thu Aug 15 04:19:13 2019 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: ChiYuan Huang X-Patchwork-Id: 11094995 Return-Path: Received: from mail.wl.linuxfoundation.org (pdx-wl-mail.web.codeaurora.org [172.30.200.125]) by pdx-korg-patchwork-2.web.codeaurora.org (Postfix) with ESMTP id 57E681395 for ; Thu, 15 Aug 2019 04:19:52 +0000 (UTC) Received: from mail.wl.linuxfoundation.org (localhost [127.0.0.1]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 4397928812 for ; Thu, 15 Aug 2019 04:19:52 +0000 (UTC) Received: by mail.wl.linuxfoundation.org (Postfix, from userid 486) id 318EE2886A; Thu, 15 Aug 2019 04:19:52 +0000 (UTC) X-Spam-Checker-Version: SpamAssassin 3.3.1 (2010-03-16) on pdx-wl-mail.web.codeaurora.org X-Spam-Level: X-Spam-Status: No, score=-8.0 required=2.0 tests=BAYES_00,DKIM_SIGNED, DKIM_VALID,DKIM_VALID_AU,FREEMAIL_FROM,MAILING_LIST_MULTI,RCVD_IN_DNSWL_HI autolearn=ham version=3.3.1 Received: from vger.kernel.org (vger.kernel.org [209.132.180.67]) by mail.wl.linuxfoundation.org (Postfix) with ESMTP id 5FF5428868 for ; Thu, 15 Aug 2019 04:19:51 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S1726207AbfHOETr (ORCPT ); Thu, 15 Aug 2019 00:19:47 -0400 Received: from mail-pf1-f194.google.com ([209.85.210.194]:33042 "EHLO mail-pf1-f194.google.com" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S1725875AbfHOETr (ORCPT ); Thu, 15 Aug 2019 00:19:47 -0400 Received: by mail-pf1-f194.google.com with SMTP id g2so739425pfq.0; Wed, 14 Aug 2019 21:19:46 -0700 (PDT) DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=gmail.com; s=20161025; h=from:to:cc:subject:date:message-id; bh=uOgVUn/DRFSOh5W5qyOtEQclzchLjIrxz1tzU/4/1oQ=; b=oeHAmCVhAMM4BfdFg6inmhL91K0Xh/B6WX/iSl7bN7lI0lA9tXKhOM2m/RwO1LnK+F T5GNe7lcDKrKHUmzE1fEqnDz9KaDaIje37NiIMjkPcE3SvmAZXWoNOuQDtdnNMp/ijlJ ekJmyWHhfhofjtLEb8H09n9mnQBASh3EMv2O6FIuA7FqrtJVGXfkD9hZASiloJQ6RYCK yP+ejv/LmlmAk/wgOqOwshunIdq7h3w95wWh4w076nPA0CL0Yg2ZlXlOjGGROrfUjG6U znVBO0CGYb9+bSS222drzjRyOjhYy4nvZTvsy/ogIL4DX9BpA8IABdUSmVpVGI33AjdA Zirg== X-Google-DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=1e100.net; s=20161025; h=x-gm-message-state:from:to:cc:subject:date:message-id; bh=uOgVUn/DRFSOh5W5qyOtEQclzchLjIrxz1tzU/4/1oQ=; b=C3S1bo6t6c1iedJz5nWdQkTuBYIQBVGTd4jKVGmefeIb0g7AiM0tXIWbKPwjPpTy7/ Be7bEPM12RseSorpVa79wdw/jb+1U1W4N+gye+3MKJP95WoBcINbMWulXDgHhLk06fxM 6bRW7roWvp7QJHy4IZFZmr6OAeCvsuffSnOHJKBV5T2jTqsh4DuYIuOzupYiMT0w2Kew a4RxPAAzeZIq0gqPb13KiWOlq3ivo2C4vIX4gu2wbcNztCl7l19Vy/0/mI1hhwzr8MUH JlkOFKI7a57bsAomOIHsF+nGiPyOAqE7M4rox50LUKPdDPKaHpaB4Oa8rnxhlrgAiOn8 IkIQ== X-Gm-Message-State: APjAAAWAvFoyUzWJB3FYAWRT1LwShJIvMUvv8KgCWFl0NL9rLg9V9oOE Xze2eMCETmmbxuPWBqzEBs78H7XsFQHENA== X-Google-Smtp-Source: APXvYqwdZObWETKuYB2zMbBui/p7/+RZufZOeNa9IaTSwnElv9QOWUK+kE/mfenGh2aR3cJEwxc4Xw== X-Received: by 2002:a62:b411:: with SMTP id h17mr3327430pfn.99.1565842786426; Wed, 14 Aug 2019 21:19:46 -0700 (PDT) Received: from localhost.localdomain ([2402:7500:55d:33e8:b108:8ed7:92b9:4a86]) by smtp.gmail.com with ESMTPSA id p8sm1633946pfq.129.2019.08.14.21.19.43 (version=TLS1_2 cipher=ECDHE-RSA-AES128-SHA bits=128/128); Wed, 14 Aug 2019 21:19:45 -0700 (PDT) From: cy_huang To: Guenter Roeck , Heikki Krogerus Cc: cy_huang , gregkh@linuxfoundation.org, linux-usb@vger.kernel.org, linux-kernel@vger.kernel.org, gene_chen@richtek.com, shufan_lee@richtek.com Subject: [PATCH] From: cy_huang Subject: usb: add more vendor defined ops in tcpci Date: Thu, 15 Aug 2019 12:19:13 +0800 Message-Id: <1565842753-14245-1-git-send-email-u0084500@gmail.com> X-Mailer: git-send-email 2.7.4 Sender: linux-usb-owner@vger.kernel.org Precedence: bulk List-ID: X-Mailing-List: linux-usb@vger.kernel.org X-Virus-Scanned: ClamAV using ClamSMTP From: cy_huang In real case, not all TCPCs support the tcpc PP control command. Sometimes, charger/OTG/CurrentLimit functions will need to externally control via power_supply/regulator/BC1.2(extcon). This patch add the ops set_vbus/get_current_limit/set_current_limit for vendors. Signed-off-by: cy_huang --- drivers/usb/typec/tcpm/tcpci.c | 34 ++++++++++++++++++++++++++++++++++ drivers/usb/typec/tcpm/tcpci.h | 5 +++++ 2 files changed, 39 insertions(+) diff --git a/drivers/usb/typec/tcpm/tcpci.c b/drivers/usb/typec/tcpm/tcpci.c index c1f7073..22dfcd8 100644 --- a/drivers/usb/typec/tcpm/tcpci.c +++ b/drivers/usb/typec/tcpm/tcpci.c @@ -279,6 +279,13 @@ static int tcpci_set_vbus(struct tcpc_dev *tcpc, bool source, bool sink) struct tcpci *tcpci = tcpc_to_tcpci(tcpc); int ret; + /* Handle vendor set vbus */ + if (tcpci->data->set_vbus) { + ret = tcpci->data->set_vbus(tcpci, tcpci->data, source, sink); + if (ret < 0) + return ret; + } + /* Disable both source and sink first before enabling anything */ if (!source) { @@ -346,6 +353,30 @@ static int tcpci_pd_transmit(struct tcpc_dev *tcpc, return 0; } +static int tcpci_get_current_limit(struct tcpc_dev *tcpc) +{ + struct tcpci *tcpci = tcpc_to_tcpci(tcpc); + + /* Handle vendor get current limit */ + if (tcpci->data->get_current_limit) + return tcpci->data->get_current_limit(tcpci, tcpci->data); + + return 0; +} + +static int tcpci_set_current_limit(struct tcpc_dev *tcpc, u32 max_ma, u32 mv) +{ + struct tcpci *tcpci = tcpc_to_tcpci(tcpc); + + /* Handle vendor set current limit */ + if (tcpci->data->set_current_limit) { + return tcpci->data->set_current_limit(tcpci, + tcpci->data, max_ma, mv); + } + + return 0; +} + static int tcpci_init(struct tcpc_dev *tcpc) { struct tcpci *tcpci = tcpc_to_tcpci(tcpc); @@ -521,6 +552,9 @@ struct tcpci *tcpci_register_port(struct device *dev, struct tcpci_data *data) tcpci->tcpc.set_roles = tcpci_set_roles; tcpci->tcpc.pd_transmit = tcpci_pd_transmit; + tcpci->tcpc.get_current_limit = tcpci_get_current_limit; + tcpci->tcpc.set_current_limit = tcpci_set_current_limit; + err = tcpci_parse_config(tcpci); if (err < 0) return ERR_PTR(err); diff --git a/drivers/usb/typec/tcpm/tcpci.h b/drivers/usb/typec/tcpm/tcpci.h index 303ebde..a6754fb 100644 --- a/drivers/usb/typec/tcpm/tcpci.h +++ b/drivers/usb/typec/tcpm/tcpci.h @@ -130,6 +130,11 @@ struct tcpci_data { bool enable); int (*start_drp_toggling)(struct tcpci *tcpci, struct tcpci_data *data, enum typec_cc_status cc); + int (*set_vbus)(struct tcpci *tcpci, + struct tcpci_data *data, bool source, bool sink); + int (*get_current_limit)(struct tcpci *tcpci, struct tcpci_data *data); + int (*set_current_limit)(struct tcpci *tcpci, + struct tcpci_data *data, u32 max_ma, u32 mv); }; struct tcpci *tcpci_register_port(struct device *dev, struct tcpci_data *data);