140 lines
4.9 KiB
Diff
140 lines
4.9 KiB
Diff
From 1c0f375634b3ddbcf479c4ddb81639e397795802 Mon Sep 17 00:00:00 2001
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From: "Luke D. Jones" <luke@ljones.dev>
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Date: Sun, 10 Mar 2024 19:03:11 +1300
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Subject: [PATCH 4/5] platform/x86: asus-wmi: support toggling POST sound
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Add support for toggling the BIOS POST sound on some ASUS laptops.
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Signed-off-by: Luke D. Jones <luke@ljones.dev>
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---
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.../ABI/testing/sysfs-platform-asus-wmi | 7 +++
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drivers/platform/x86/asus-wmi.c | 54 +++++++++++++++++++
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include/linux/platform_data/x86/asus-wmi.h | 3 ++
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3 files changed, 64 insertions(+)
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diff --git a/Documentation/ABI/testing/sysfs-platform-asus-wmi b/Documentation/ABI/testing/sysfs-platform-asus-wmi
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index e32b4f0ae15f..f3c53b7453f0 100644
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--- a/Documentation/ABI/testing/sysfs-platform-asus-wmi
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+++ b/Documentation/ABI/testing/sysfs-platform-asus-wmi
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@@ -194,3 +194,10 @@ Contact: "Luke Jones" <luke@ljones.dev>
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Description:
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Set the target temperature limit of the Nvidia dGPU:
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* min=75, max=87
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+
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+What: /sys/devices/platform/<platform>/boot_sound
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+Date: Jun 2023
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+KernelVersion: 6.9
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+Contact: "Luke Jones" <luke@ljones.dev>
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+Description:
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+ Set if the BIOS POST sound is played on boot.
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diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
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index e1100726de53..e4341abb71e0 100644
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--- a/drivers/platform/x86/asus-wmi.c
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+++ b/drivers/platform/x86/asus-wmi.c
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@@ -297,6 +297,7 @@ struct asus_wmi {
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// The RSOC controls the maximum charging percentage.
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bool battery_rsoc_available;
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+ bool boot_sound_available;
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bool panel_overdrive_available;
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bool mini_led_mode_available;
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u32 mini_led_dev_id;
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@@ -2106,6 +2107,55 @@ static ssize_t panel_od_store(struct device *dev,
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}
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static DEVICE_ATTR_RW(panel_od);
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+/* Bootup sound ***************************************************************/
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+
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+static ssize_t boot_sound_show(struct device *dev,
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+ struct device_attribute *attr, char *buf)
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+{
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+ struct asus_wmi *asus = dev_get_drvdata(dev);
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+ int result;
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+
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+ result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_BOOT_SOUND);
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+ if (result < 0)
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+ return result;
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+
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+ return sysfs_emit(buf, "%d\n", result);
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+}
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+
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+static ssize_t boot_sound_store(struct device *dev,
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+ struct device_attribute *attr,
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+ const char *buf, size_t count)
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+{
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+ int result, err;
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+ u32 snd;
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+
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+ struct asus_wmi *asus = dev_get_drvdata(dev);
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+
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+ result = kstrtou32(buf, 10, &snd);
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+ if (result)
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+ return result;
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+
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+ if (snd > 1)
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+ return -EINVAL;
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+
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+ err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BOOT_SOUND, snd, &result);
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+
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+ if (err) {
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+ pr_warn("Failed to set boot sound: %d\n", err);
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+ return err;
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+ }
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+
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+ if (result > 1) {
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+ pr_warn("Failed to set panel boot sound (result): 0x%x\n", result);
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+ return -EIO;
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+ }
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+
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+ sysfs_notify(&asus->platform_device->dev.kobj, NULL, "boot_sound");
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+
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+ return count;
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+}
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+static DEVICE_ATTR_RW(boot_sound);
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+
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/* Mini-LED mode **************************************************************/
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static ssize_t mini_led_mode_show(struct device *dev,
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struct device_attribute *attr, char *buf)
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@@ -4203,6 +4253,7 @@ static struct attribute *platform_attributes[] = {
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&dev_attr_ppt_platform_sppt.attr,
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&dev_attr_nv_dynamic_boost.attr,
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&dev_attr_nv_temp_target.attr,
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+ &dev_attr_boot_sound.attr,
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&dev_attr_panel_od.attr,
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&dev_attr_mini_led_mode.attr,
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&dev_attr_available_mini_led_mode.attr,
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@@ -4255,6 +4306,8 @@ static umode_t asus_sysfs_is_visible(struct kobject *kobj,
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ok = asus->nv_dyn_boost_available;
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else if (attr == &dev_attr_nv_temp_target.attr)
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ok = asus->nv_temp_tgt_available;
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+ else if (attr == &dev_attr_boot_sound.attr)
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+ ok = asus->boot_sound_available;
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else if (attr == &dev_attr_panel_od.attr)
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ok = asus->panel_overdrive_available;
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else if (attr == &dev_attr_mini_led_mode.attr)
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@@ -4526,6 +4579,7 @@ static int asus_wmi_add(struct platform_device *pdev)
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asus->ppt_plat_sppt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PPT_PLAT_SPPT);
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asus->nv_dyn_boost_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_NV_DYN_BOOST);
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asus->nv_temp_tgt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_NV_THERM_TARGET);
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+ asus->boot_sound_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_BOOT_SOUND);
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asus->panel_overdrive_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PANEL_OD);
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asus->ally_mcu_usb_switch = acpi_has_method(NULL, ASUS_USB0_PWR_EC0_CSEE)
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&& dmi_match(DMI_BOARD_NAME, "RC71L");
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diff --git a/include/linux/platform_data/x86/asus-wmi.h b/include/linux/platform_data/x86/asus-wmi.h
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index 3e9a01467c67..3eb5cd6773ad 100644
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--- a/include/linux/platform_data/x86/asus-wmi.h
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+++ b/include/linux/platform_data/x86/asus-wmi.h
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@@ -137,6 +137,9 @@
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/* TUF laptop RGB power/state */
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#define ASUS_WMI_DEVID_TUF_RGB_STATE 0x00100057
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+/* Bootup sound control */
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+#define ASUS_WMI_DEVID_BOOT_SOUND 0x00130022
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+
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/* DSTS masks */
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#define ASUS_WMI_DSTS_STATUS_BIT 0x00000001
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#define ASUS_WMI_DSTS_UNKNOWN_BIT 0x00000002
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--
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2.44.0
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