From patchwork Tue Jun 20 02:56:34 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luke Jones X-Patchwork-Id: 13285145 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 8F476EB64D9 for ; Tue, 20 Jun 2023 02:57:14 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S230018AbjFTC5L (ORCPT ); Mon, 19 Jun 2023 22:57:11 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:44610 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S229554AbjFTC5K (ORCPT ); Mon, 19 Jun 2023 22:57:10 -0400 Received: from out3-smtp.messagingengine.com (out3-smtp.messagingengine.com [66.111.4.27]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id C266F10CB; Mon, 19 Jun 2023 19:57:09 -0700 (PDT) Received: from compute5.internal (compute5.nyi.internal [10.202.2.45]) by mailout.nyi.internal (Postfix) with ESMTP id 2D8945C01EF; Mon, 19 Jun 2023 22:57:09 -0400 (EDT) Received: from mailfrontend2 ([10.202.2.163]) by compute5.internal (MEProxy); Mon, 19 Jun 2023 22:57:09 -0400 DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d=ljones.dev; h=cc :cc:content-transfer-encoding:content-type:date:date:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to; s=fm3; t=1687229829; x= 1687316229; bh=JAa2+5OdKdG1aE9dm0qeBtCZnBJBWtJ16Oa1u/aXq1c=; b=a HRyjjeebR+MN4XUwK21uK//2996g945qYh2beELHP90mbv7vEm08p+KvspyY7pMH kKu0mwLyK8Dlz6KK3naw0kOanh1yK2rBESuabGGGn2dMDkqJg937FhEzD4sZPMAy r3q2ZYNyC7zpi5t5IEGm5pvzQjF+5pU4Bz6iPvTU/Pm9x7I65N+l7UiP1GceUQoD lKv33h0KaD8YRJQf1lorSdL8txyceRoPUUSaArgyyuCHRvdhReCZvWW5Njq1V5pd MxMkRj2yw3eb8GYwZ0zGf2AoROyT8ap6ZUR6ekkhd1RBfhMmyBrRuyWrRfQc/ICW kR904FX1LBRHMPqab7tTw== DKIM-Signature: v=1; a=rsa-sha256; c=relaxed/relaxed; d= messagingengine.com; h=cc:cc:content-transfer-encoding :content-type:date:date:feedback-id:feedback-id:from:from :in-reply-to:in-reply-to:message-id:mime-version:references :reply-to:sender:subject:subject:to:to:x-me-proxy:x-me-proxy :x-me-sender:x-me-sender:x-sasl-enc; s=fm2; t=1687229829; x= 1687316229; bh=JAa2+5OdKdG1aE9dm0qeBtCZnBJBWtJ16Oa1u/aXq1c=; b=U ETfuI+8103LMF52K+2WdH6c4k45OELYUvEnN9faqYpEwZ3TCdLSM8nm7wf702Pft RvOxI+TMfdy2RjtqF3e91btwneh3A4oeggf988F7VuR93o/CTGedG8xRgVghWFj5 1J3Wez2+nPkPgYXLHTZwy4CgmZvpK5R1q+DJ1bFAUkX0Sll6E8jk/1gmrQO664u5 VhYI2jqc9r1pp7PNgg7EfMG9EomRxseLg2NFoDkc0eCG3OPHGvxtvZoUwivldolb 30Fmu/OvwKULxQzDk/TDBTUGK2JKLQpUWtOBaX+iKV5JBMVFMZrIxGovYv5J3Iqd MoXUpoL18w+8cYIbJmhoA== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedvhedrgeefgedgvddvucetufdoteggodetrfdotf fvucfrrhhofhhilhgvmecuhfgrshhtofgrihhlpdfqfgfvpdfurfetoffkrfgpnffqhgen uceurghilhhouhhtmecufedttdenucenucfjughrpefhvfevufffkffojghfggfgsedtke ertdertddtnecuhfhrohhmpedfnfhukhgvucffrdculfhonhgvshdfuceolhhukhgvsehl jhhonhgvshdruggvvheqnecuggftrfgrthhtvghrnhepgfetfedugfetudeuheetjefhue fggfelleetvdevtefhueeujeefvdegleevhefgnecuvehluhhsthgvrhfuihiivgeptden ucfrrghrrghmpehmrghilhhfrhhomheplhhukhgvsehljhhonhgvshdruggvvh X-ME-Proxy: Feedback-ID: i5ec1447f:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Mon, 19 Jun 2023 22:57:05 -0400 (EDT) From: "Luke D. Jones" To: hdegoede@redhat.com Cc: corentin.chary@gmail.com, acpi4asus-user@lists.sourceforge.net, platform-driver-x86@vger.kernel.org, linux-kernel@vger.kernel.org, linux-hwmon@vger.kernel.org, markgross@kernel.org, jdelvare@suse.com, linux@roeck-us.net, "Luke D. Jones" Subject: [PATCH 1/8] platform/x86: asus-wmi: add support for showing charger mode Date: Tue, 20 Jun 2023 14:56:34 +1200 Message-Id: <20230620025641.53197-2-luke@ljones.dev> X-Mailer: git-send-email 2.40.1 In-Reply-To: <20230620025641.53197-1-luke@ljones.dev> References: <20230620025641.53197-1-luke@ljones.dev> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Expose a WMI method in sysfs platform for showing which connected charger the laptop is currently using. Signed-off-by: Luke D. Jones --- .../ABI/testing/sysfs-platform-asus-wmi | 10 +++++++++ drivers/platform/x86/asus-wmi.c | 21 +++++++++++++++++++ include/linux/platform_data/x86/asus-wmi.h | 3 +++ 3 files changed, 34 insertions(+) diff --git a/Documentation/ABI/testing/sysfs-platform-asus-wmi b/Documentation/ABI/testing/sysfs-platform-asus-wmi index a77a004a1baa..eb29e3023c7b 100644 --- a/Documentation/ABI/testing/sysfs-platform-asus-wmi +++ b/Documentation/ABI/testing/sysfs-platform-asus-wmi @@ -98,3 +98,13 @@ Description: Enable an LCD response-time boost to reduce or remove ghosting: * 0 - Disable, * 1 - Enable + +What: /sys/devices/platform//charge_mode +Date: Jun 2023 +KernelVersion: 6.5 +Contact: "Luke Jones" +Description: + Get the current charging mode being used: + * 1 - Barrel connected charger, + * 2 - USB-C charging + * 3 - Both connected, barrel used for charging \ No newline at end of file diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index 1038dfdcdd32..f23375d5fb82 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -237,6 +237,7 @@ struct asus_wmi { u8 fan_boost_mode_mask; u8 fan_boost_mode; + bool charge_mode_available; bool egpu_enable_available; bool dgpu_disable_available; bool gpu_mux_mode_available; @@ -586,6 +587,22 @@ static void asus_wmi_tablet_mode_get_state(struct asus_wmi *asus) asus_wmi_tablet_sw_report(asus, result); } +/* Charging mode, 1=Barrel, 2=USB ******************************************/ +static ssize_t charge_mode_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct asus_wmi *asus = dev_get_drvdata(dev); + int result, value; + + result = asus_wmi_get_devstate(asus, ASUS_WMI_DEVID_CHARGE_MODE, &value); + if (result < 0) + return result; + + return sysfs_emit(buf, "%d\n", value & 0xff); +} + +static DEVICE_ATTR_RO(charge_mode); + /* dGPU ********************************************************************/ static ssize_t dgpu_disable_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -3462,6 +3479,7 @@ static struct attribute *platform_attributes[] = { &dev_attr_camera.attr, &dev_attr_cardr.attr, &dev_attr_touchpad.attr, + &dev_attr_charge_mode.attr, &dev_attr_egpu_enable.attr, &dev_attr_dgpu_disable.attr, &dev_attr_gpu_mux_mode.attr, @@ -3491,6 +3509,8 @@ static umode_t asus_sysfs_is_visible(struct kobject *kobj, devid = ASUS_WMI_DEVID_LID_RESUME; else if (attr == &dev_attr_als_enable.attr) devid = ASUS_WMI_DEVID_ALS_ENABLE; + else if (attr == &dev_attr_charge_mode.attr) + ok = asus->charge_mode_available; else if (attr == &dev_attr_egpu_enable.attr) ok = asus->egpu_enable_available; else if (attr == &dev_attr_dgpu_disable.attr) @@ -3757,6 +3777,7 @@ static int asus_wmi_add(struct platform_device *pdev) if (err) goto fail_platform; + asus->charge_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CHARGE_MODE); asus->egpu_enable_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_EGPU); asus->dgpu_disable_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_DGPU); asus->gpu_mux_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_MUX); diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h index 28234dc9fa6a..f90cafe26af1 100644 --- a/include/linux/platform_data/x86/asus-wmi.h +++ b/include/linux/platform_data/x86/asus-wmi.h @@ -95,6 +95,9 @@ /* Keyboard dock */ #define ASUS_WMI_DEVID_KBD_DOCK 0x00120063 +/* Charging mode - 1=Barrel, 2=USB */ +#define ASUS_WMI_DEVID_CHARGE_MODE 0x0012006C + /* dgpu on/off */ #define ASUS_WMI_DEVID_EGPU 0x00090019