From patchwork Fri Jun 30 05:35:48 2023 Content-Type: text/plain; charset="utf-8" MIME-Version: 1.0 Content-Transfer-Encoding: 7bit X-Patchwork-Submitter: Luke Jones X-Patchwork-Id: 13297613 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 42D99EB64D7 for ; Fri, 30 Jun 2023 05:36:31 +0000 (UTC) Received: (majordomo@vger.kernel.org) by vger.kernel.org via listexpand id S232201AbjF3Fg2 (ORCPT ); Fri, 30 Jun 2023 01:36:28 -0400 Received: from lindbergh.monkeyblade.net ([23.128.96.19]:42252 "EHLO lindbergh.monkeyblade.net" rhost-flags-OK-OK-OK-OK) by vger.kernel.org with ESMTP id S232236AbjF3Fg0 (ORCPT ); Fri, 30 Jun 2023 01:36:26 -0400 Received: from wout5-smtp.messagingengine.com (wout5-smtp.messagingengine.com [64.147.123.21]) by lindbergh.monkeyblade.net (Postfix) with ESMTPS id 9288F3593; Thu, 29 Jun 2023 22:36:23 -0700 (PDT) Received: from compute3.internal (compute3.nyi.internal [10.202.2.43]) by mailout.west.internal (Postfix) with ESMTP id 43B5E3200983; Fri, 30 Jun 2023 01:36:22 -0400 (EDT) Received: from mailfrontend1 ([10.202.2.162]) by compute3.internal (MEProxy); Fri, 30 Jun 2023 01:36:23 -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=1688103381; x= 1688189781; bh=x0NWRw+Ml4xfFfMxC4QlVOlD9apc5xmU8rzFplB/f6g=; b=M D8Zlt4lu7VLWfeGFldSfBCUv+jQ0fOzUKrcQrIRigVXLNbzQfRSSHpmvECseL09n Hy/xmcIuYe7IRzxYZH6eL3A2ItaREY5vHA7vawHxA6KorS0FyAcNvYSQ1jcV81YG rRbHejuZWDQZV9WDK3ZOiYpK6W6TjiWfD2NOjpCgoyr+rKzIG/r0ZXbDZLhjk5aA 5jYh9ReoHWNc8mDELatZpasCs6GcemGW3mVDw9TaMobvF8QZQN5xtd66QJ8P+egQ JF8R3IFrae70NCBY8muInmpF+EZwYIjnTBcvREHeYjt04gvL5Y6QWv9y101JCx47 /0FfdvhE5XTRK6BvPE/Lw== 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=1688103381; x= 1688189781; bh=x0NWRw+Ml4xfFfMxC4QlVOlD9apc5xmU8rzFplB/f6g=; b=H qz4RKxowc2c/XpO+C5koXJvt8QWA34+VWODyB2rTwCj5+x2IiAtmvtkpdqxQHFPy OCvP5T99C1KiD2GFUy0ESzFwxIbIXd26yWSzbkNrnqNAxSIDU68I2U9oCffyoX9s j3zWytOi5kf/hGECt6QkZl6Wfh3dthV+q9/RMW791+n2FhstyMgY1RThUu5hdkYB xokKb6kbX0YA23sCHSykyo/uDgQcc+Q47S1XpyYbW/XMMVaqPz6cpqKKuOUMwSGr edmOWAx/WzTVh5K04M5Y0K68ymWoZb9tIEKXjgSXIZdScgdxlV/S9gT76Jgx06uT 4OvOrfly0nag4IXR91QBQ== X-ME-Sender: X-ME-Received: X-ME-Proxy-Cause: gggruggvucftvghtrhhoucdtuddrgedviedrtdehgdellecutefuodetggdotefrodftvf curfhrohhfihhlvgemucfhrghsthforghilhdpqfgfvfdpuffrtefokffrpgfnqfghnecu uegrihhlohhuthemuceftddtnecunecujfgurhephffvvefufffkofgjfhgggfestdekre dtredttdenucfhrhhomhepfdfnuhhkvgcuffdrucflohhnvghsfdcuoehluhhkvgeslhhj ohhnvghsrdguvghvqeenucggtffrrghtthgvrhhnpefgteefudfgteduueehteejhfeugf fgleeltedvveethfeuueejfedvgeelveehgfenucevlhhushhtvghrufhiiigvpedtnecu rfgrrhgrmhepmhgrihhlfhhrohhmpehluhhkvgeslhhjohhnvghsrdguvghv X-ME-Proxy: Feedback-ID: i5ec1447f:Fastmail Received: by mail.messagingengine.com (Postfix) with ESMTPA; Fri, 30 Jun 2023 01:36:18 -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 v2 4/8] platform/x86: asus-wmi: add WMI method to show if egpu connected Date: Fri, 30 Jun 2023 17:35:48 +1200 Message-ID: <20230630053552.976579-5-luke@ljones.dev> X-Mailer: git-send-email 2.41.0 In-Reply-To: <20230630053552.976579-1-luke@ljones.dev> References: <20230630053552.976579-1-luke@ljones.dev> MIME-Version: 1.0 Precedence: bulk List-ID: X-Mailing-List: linux-hwmon@vger.kernel.org Exposes the WMI method which tells if the eGPU is properly connected on the devices that support it. Signed-off-by: Luke D. Jones Reviewed-by: Hans de Goede --- .../ABI/testing/sysfs-platform-asus-wmi | 11 +++++++++- drivers/platform/x86/asus-wmi.c | 21 +++++++++++++++++++ include/linux/platform_data/x86/asus-wmi.h | 4 +++- 3 files changed, 34 insertions(+), 2 deletions(-) diff --git a/Documentation/ABI/testing/sysfs-platform-asus-wmi b/Documentation/ABI/testing/sysfs-platform-asus-wmi index eb29e3023c7b..878daf7c2036 100644 --- a/Documentation/ABI/testing/sysfs-platform-asus-wmi +++ b/Documentation/ABI/testing/sysfs-platform-asus-wmi @@ -107,4 +107,13 @@ 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 + * 3 - Both connected, barrel used for charging + +What: /sys/devices/platform//egpu_connected +Date: Jun 2023 +KernelVersion: 6.5 +Contact: "Luke Jones" +Description: + Show if the egpu (XG Mobile) is correctly connected: + * 0 - False, + * 1 - True diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c index fb27218e51cf..0c8a4a46b121 100644 --- a/drivers/platform/x86/asus-wmi.c +++ b/drivers/platform/x86/asus-wmi.c @@ -243,6 +243,7 @@ struct asus_wmi { bool charge_mode_available; bool egpu_enable_available; + bool egpu_connect_available; bool dgpu_disable_available; bool gpu_mux_mode_available; @@ -709,6 +710,22 @@ static ssize_t egpu_enable_store(struct device *dev, } static DEVICE_ATTR_RW(egpu_enable); +/* Is eGPU connected? *********************************************************/ +static ssize_t egpu_connected_show(struct device *dev, + struct device_attribute *attr, char *buf) +{ + struct asus_wmi *asus = dev_get_drvdata(dev); + int result; + + result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_EGPU_CONNECTED); + if (result < 0) + return result; + + return sysfs_emit(buf, "%d\n", result); +} + +static DEVICE_ATTR_RO(egpu_connected); + /* gpu mux switch *************************************************************/ static ssize_t gpu_mux_mode_show(struct device *dev, struct device_attribute *attr, char *buf) @@ -3645,6 +3662,7 @@ static struct attribute *platform_attributes[] = { &dev_attr_touchpad.attr, &dev_attr_charge_mode.attr, &dev_attr_egpu_enable.attr, + &dev_attr_egpu_connected.attr, &dev_attr_dgpu_disable.attr, &dev_attr_gpu_mux_mode.attr, &dev_attr_lid_resume.attr, @@ -3677,6 +3695,8 @@ static umode_t asus_sysfs_is_visible(struct kobject *kobj, ok = asus->charge_mode_available; else if (attr == &dev_attr_egpu_enable.attr) ok = asus->egpu_enable_available; + else if (attr == &dev_attr_egpu_connected.attr) + ok = asus->egpu_connect_available; else if (attr == &dev_attr_dgpu_disable.attr) ok = asus->dgpu_disable_available; else if (attr == &dev_attr_gpu_mux_mode.attr) @@ -3943,6 +3963,7 @@ static int asus_wmi_add(struct platform_device *pdev) 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->egpu_connect_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_EGPU_CONNECTED); 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); asus->kbd_rgb_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE); diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h index 329efc086993..2034648f8cdf 100644 --- a/include/linux/platform_data/x86/asus-wmi.h +++ b/include/linux/platform_data/x86/asus-wmi.h @@ -100,7 +100,9 @@ /* Charging mode - 1=Barrel, 2=USB */ #define ASUS_WMI_DEVID_CHARGE_MODE 0x0012006C -/* dgpu on/off */ +/* epu is connected? 1 == true */ +#define ASUS_WMI_DEVID_EGPU_CONNECTED 0x00090018 +/* egpu on/off */ #define ASUS_WMI_DEVID_EGPU 0x00090019 /* dgpu on/off */