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Message-ID: <20240806020747.365042-7-luke@ljones.dev>
Date: Tue, 6 Aug 2024 14:07:47 +1200
From: "Luke D. Jones" <luke@...nes.dev>
To: platform-driver-x86@...r.kernel.org
Cc: linux-kernel@...r.kernel.org,
ilpo.jarvinen@...ux.intel.com,
hdegoede@...hat.com,
corentin.chary@...il.com,
"Luke D. Jones" <luke@...nes.dev>
Subject: [PATCH v2 6/6] asus-wmi: deprecate bios features
With the existence of the asus-bioscfg module the attributes no-longer
need to live under the /sys/devices/platform/asus-nb-wmi/ path.
Deprecate all those that were implemented in asus-bioscfg with the goal
of removing them fully in the next LTS cycle.
Signed-off-by: Luke D. Jones <luke@...nes.dev>
---
.../ABI/testing/sysfs-platform-asus-wmi | 17 +++
drivers/platform/x86/Kconfig | 8 ++
drivers/platform/x86/asus-wmi.c | 125 ++++++++++++++----
3 files changed, 124 insertions(+), 26 deletions(-)
diff --git a/Documentation/ABI/testing/sysfs-platform-asus-wmi b/Documentation/ABI/testing/sysfs-platform-asus-wmi
index 28144371a0f1..765d50b0d9df 100644
--- a/Documentation/ABI/testing/sysfs-platform-asus-wmi
+++ b/Documentation/ABI/testing/sysfs-platform-asus-wmi
@@ -63,6 +63,7 @@ Date: Aug 2022
KernelVersion: 6.1
Contact: "Luke Jones" <luke@...nes.dev>
Description:
+ DEPRECATED, WILL BE REMOVED SOON
Switch the GPU hardware MUX mode. Laptops with this feature can
can be toggled to boot with only the dGPU (discrete mode) or in
standard Optimus/Hybrid mode. On switch a reboot is required:
@@ -75,6 +76,7 @@ Date: Aug 2022
KernelVersion: 5.17
Contact: "Luke Jones" <luke@...nes.dev>
Description:
+ DEPRECATED, WILL BE REMOVED SOON
Disable discrete GPU:
* 0 - Enable dGPU,
* 1 - Disable dGPU
@@ -84,6 +86,7 @@ Date: Aug 2022
KernelVersion: 5.17
Contact: "Luke Jones" <luke@...nes.dev>
Description:
+ DEPRECATED, WILL BE REMOVED SOON
Enable the external GPU paired with ROG X-Flow laptops.
Toggling this setting will also trigger ACPI to disable the dGPU:
@@ -95,6 +98,7 @@ Date: Aug 2022
KernelVersion: 5.17
Contact: "Luke Jones" <luke@...nes.dev>
Description:
+ DEPRECATED, WILL BE REMOVED SOON
Enable an LCD response-time boost to reduce or remove ghosting:
* 0 - Disable,
* 1 - Enable
@@ -104,6 +108,7 @@ Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@...nes.dev>
Description:
+ DEPRECATED, WILL BE REMOVED SOON
Get the current charging mode being used:
* 1 - Barrel connected charger,
* 2 - USB-C charging
@@ -114,6 +119,7 @@ Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@...nes.dev>
Description:
+ DEPRECATED, WILL BE REMOVED SOON
Show if the egpu (XG Mobile) is correctly connected:
* 0 - False,
* 1 - True
@@ -123,6 +129,7 @@ Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@...nes.dev>
Description:
+ DEPRECATED, WILL BE REMOVED SOON
Change the mini-LED mode:
* 0 - Single-zone,
* 1 - Multi-zone
@@ -133,6 +140,7 @@ Date: Apr 2024
KernelVersion: 6.10
Contact: "Luke Jones" <luke@...nes.dev>
Description:
+ DEPRECATED, WILL BE REMOVED SOON
List the available mini-led modes.
What: /sys/devices/platform/<platform>/ppt_pl1_spl
@@ -140,6 +148,7 @@ Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@...nes.dev>
Description:
+ DEPRECATED, WILL BE REMOVED SOON
Set the Package Power Target total of CPU: PL1 on Intel, SPL on AMD.
Shown on Intel+Nvidia or AMD+Nvidia based systems:
@@ -150,6 +159,7 @@ Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@...nes.dev>
Description:
+ DEPRECATED, WILL BE REMOVED SOON
Set the Slow Package Power Tracking Limit of CPU: PL2 on Intel, SPPT,
on AMD. Shown on Intel+Nvidia or AMD+Nvidia based systems:
@@ -160,6 +170,7 @@ Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@...nes.dev>
Description:
+ DEPRECATED, WILL BE REMOVED SOON
Set the Fast Package Power Tracking Limit of CPU. AMD+Nvidia only:
* min=5, max=250
@@ -168,6 +179,7 @@ Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@...nes.dev>
Description:
+ DEPRECATED, WILL BE REMOVED SOON
Set the APU SPPT limit. Shown on full AMD systems only:
* min=5, max=130
@@ -176,6 +188,7 @@ Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@...nes.dev>
Description:
+ DEPRECATED, WILL BE REMOVED SOON
Set the platform SPPT limit. Shown on full AMD systems only:
* min=5, max=130
@@ -184,6 +197,7 @@ Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@...nes.dev>
Description:
+ DEPRECATED, WILL BE REMOVED SOON
Set the dynamic boost limit of the Nvidia dGPU:
* min=5, max=25
@@ -192,6 +206,7 @@ Date: Jun 2023
KernelVersion: 6.5
Contact: "Luke Jones" <luke@...nes.dev>
Description:
+ DEPRECATED, WILL BE REMOVED SOON
Set the target temperature limit of the Nvidia dGPU:
* min=75, max=87
@@ -200,6 +215,7 @@ Date: Apr 2024
KernelVersion: 6.10
Contact: "Luke Jones" <luke@...nes.dev>
Description:
+ DEPRECATED, WILL BE REMOVED SOON
Set if the BIOS POST sound is played on boot.
* 0 - False,
* 1 - True
@@ -209,6 +225,7 @@ Date: Apr 2024
KernelVersion: 6.10
Contact: "Luke Jones" <luke@...nes.dev>
Description:
+ DEPRECATED, WILL BE REMOVED SOON
Set if the MCU can go in to low-power mode on system sleep
* 0 - False,
* 1 - True
diff --git a/drivers/platform/x86/Kconfig b/drivers/platform/x86/Kconfig
index 8ecc73ef2670..bafe5883805b 100644
--- a/drivers/platform/x86/Kconfig
+++ b/drivers/platform/x86/Kconfig
@@ -301,6 +301,14 @@ config ASUS_WMI
To compile this driver as a module, choose M here: the module will
be called asus-wmi.
+config ASUS_WMI_BIOS
+ bool "BIOS option support in WMI platform (DEPRECATED)"
+ depends on ASUS_WMI
+ help
+ Say Y to expose the configurable BIOS options through the asus-wmi
+ driver. This can be used with or without the new asus-bios driver as
+ the options are the same but the asus-bios driver has more features.
+
config ASUS_NB_WMI
tristate "Asus Notebook WMI Driver"
depends on ASUS_WMI
diff --git a/drivers/platform/x86/asus-wmi.c b/drivers/platform/x86/asus-wmi.c
index 165e7932c371..5ecd47f23c83 100644
--- a/drivers/platform/x86/asus-wmi.c
+++ b/drivers/platform/x86/asus-wmi.c
@@ -290,11 +290,12 @@ struct asus_wmi {
u8 fan_boost_mode_mask;
u8 fan_boost_mode;
+
+ /* Tunables provided by ASUS for gaming laptops */
+ #if IS_ENABLED(CONFIG_ASUS_WMI_BIOS)
bool egpu_enable_available;
bool dgpu_disable_available;
u32 gpu_mux_dev;
-
- /* Tunables provided by ASUS for gaming laptops */
u32 ppt_pl2_sppt;
u32 ppt_pl1_spl;
u32 ppt_apu_sppt;
@@ -302,6 +303,9 @@ struct asus_wmi {
u32 ppt_fppt;
u32 nv_dynamic_boost;
u32 nv_temp_target;
+ bool panel_overdrive_available;
+ u32 mini_led_dev_id;
+ #endif
u32 kbd_rgb_dev;
bool kbd_rgb_state_available;
@@ -320,9 +324,6 @@ struct asus_wmi {
// The RSOC controls the maximum charging percentage.
bool battery_rsoc_available;
- bool panel_overdrive_available;
- u32 mini_led_dev_id;
-
struct hotplug_slot hotplug_slot;
struct mutex hotplug_lock;
struct mutex wmi_lock;
@@ -336,6 +337,15 @@ struct asus_wmi {
struct asus_wmi_driver *driver;
};
+#if IS_ENABLED(CONFIG_ASUS_WMI_BIOS)
+static void asus_wmi_show_deprecated(void)
+{
+ pr_notice_once("Accessing attributes through /sys/bus/platform/asus_wmi is " +
+ "deprecated and will be removed in a future release. Please switch " +
+ "over to /sys/class/firmware_attributes.\n");
+}
+#endif
+
/* WMI ************************************************************************/
static int asus_wmi_evaluate_method3(u32 method_id,
@@ -732,6 +742,7 @@ static void asus_wmi_tablet_mode_get_state(struct asus_wmi *asus)
}
/* Charging mode, 1=Barrel, 2=USB ******************************************/
+#if IS_ENABLED(CONFIG_ASUS_WMI_BIOS)
static ssize_t charge_mode_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -742,12 +753,16 @@ static ssize_t charge_mode_show(struct device *dev,
if (result < 0)
return result;
+ asus_wmi_show_deprecated();
+
return sysfs_emit(buf, "%d\n", value & 0xff);
}
static DEVICE_ATTR_RO(charge_mode);
+#endif
/* dGPU ********************************************************************/
+#if IS_ENABLED(CONFIG_ASUS_WMI_BIOS)
static ssize_t dgpu_disable_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -758,6 +773,8 @@ static ssize_t dgpu_disable_show(struct device *dev,
if (result < 0)
return result;
+ asus_wmi_show_deprecated();
+
return sysfs_emit(buf, "%d\n", result);
}
@@ -811,8 +828,10 @@ static ssize_t dgpu_disable_store(struct device *dev,
return count;
}
static DEVICE_ATTR_RW(dgpu_disable);
+#endif
/* eGPU ********************************************************************/
+#if IS_ENABLED(CONFIG_ASUS_WMI_BIOS)
static ssize_t egpu_enable_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -823,6 +842,8 @@ static ssize_t egpu_enable_show(struct device *dev,
if (result < 0)
return result;
+ asus_wmi_show_deprecated();
+
return sysfs_emit(buf, "%d\n", result);
}
@@ -879,8 +900,10 @@ static ssize_t egpu_enable_store(struct device *dev,
return count;
}
static DEVICE_ATTR_RW(egpu_enable);
+#endif
/* Is eGPU connected? *********************************************************/
+#if IS_ENABLED(CONFIG_ASUS_WMI_BIOS)
static ssize_t egpu_connected_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -891,12 +914,16 @@ static ssize_t egpu_connected_show(struct device *dev,
if (result < 0)
return result;
+ asus_wmi_show_deprecated();
+
return sysfs_emit(buf, "%d\n", result);
}
static DEVICE_ATTR_RO(egpu_connected);
+#endif
/* gpu mux switch *************************************************************/
+#if IS_ENABLED(CONFIG_ASUS_WMI_BIOS)
static ssize_t gpu_mux_mode_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -907,6 +934,8 @@ static ssize_t gpu_mux_mode_show(struct device *dev,
if (result < 0)
return result;
+ asus_wmi_show_deprecated();
+
return sysfs_emit(buf, "%d\n", result);
}
@@ -965,6 +994,7 @@ static ssize_t gpu_mux_mode_store(struct device *dev,
return count;
}
static DEVICE_ATTR_RW(gpu_mux_mode);
+#endif
/* TUF Laptop Keyboard RGB Modes **********************************************/
static ssize_t kbd_rgb_mode_store(struct device *dev,
@@ -1088,6 +1118,7 @@ static const struct attribute_group *kbd_rgb_mode_groups[] = {
};
/* Tunable: PPT: Intel=PL1, AMD=SPPT *****************************************/
+#if IS_ENABLED(CONFIG_ASUS_WMI_BIOS)
static ssize_t ppt_pl2_sppt_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
@@ -1126,6 +1157,8 @@ static ssize_t ppt_pl2_sppt_show(struct device *dev,
{
struct asus_wmi *asus = dev_get_drvdata(dev);
+ asus_wmi_show_deprecated();
+
return sysfs_emit(buf, "%u\n", asus->ppt_pl2_sppt);
}
static DEVICE_ATTR_RW(ppt_pl2_sppt);
@@ -1168,6 +1201,8 @@ static ssize_t ppt_pl1_spl_show(struct device *dev,
{
struct asus_wmi *asus = dev_get_drvdata(dev);
+ asus_wmi_show_deprecated();
+
return sysfs_emit(buf, "%u\n", asus->ppt_pl1_spl);
}
static DEVICE_ATTR_RW(ppt_pl1_spl);
@@ -1211,6 +1246,8 @@ static ssize_t ppt_fppt_show(struct device *dev,
{
struct asus_wmi *asus = dev_get_drvdata(dev);
+ asus_wmi_show_deprecated();
+
return sysfs_emit(buf, "%u\n", asus->ppt_fppt);
}
static DEVICE_ATTR_RW(ppt_fppt);
@@ -1254,6 +1291,8 @@ static ssize_t ppt_apu_sppt_show(struct device *dev,
{
struct asus_wmi *asus = dev_get_drvdata(dev);
+ asus_wmi_show_deprecated();
+
return sysfs_emit(buf, "%u\n", asus->ppt_apu_sppt);
}
static DEVICE_ATTR_RW(ppt_apu_sppt);
@@ -1297,6 +1336,8 @@ static ssize_t ppt_platform_sppt_show(struct device *dev,
{
struct asus_wmi *asus = dev_get_drvdata(dev);
+ asus_wmi_show_deprecated();
+
return sysfs_emit(buf, "%u\n", asus->ppt_platform_sppt);
}
static DEVICE_ATTR_RW(ppt_platform_sppt);
@@ -1340,6 +1381,8 @@ static ssize_t nv_dynamic_boost_show(struct device *dev,
{
struct asus_wmi *asus = dev_get_drvdata(dev);
+ asus_wmi_show_deprecated();
+
return sysfs_emit(buf, "%u\n", asus->nv_dynamic_boost);
}
static DEVICE_ATTR_RW(nv_dynamic_boost);
@@ -1383,11 +1426,15 @@ static ssize_t nv_temp_target_show(struct device *dev,
{
struct asus_wmi *asus = dev_get_drvdata(dev);
+ asus_wmi_show_deprecated();
+
return sysfs_emit(buf, "%u\n", asus->nv_temp_target);
}
static DEVICE_ATTR_RW(nv_temp_target);
+#endif
/* Ally MCU Powersave ********************************************************/
+#if IS_ENABLED(CONFIG_ASUS_WMI_BIOS)
static ssize_t mcu_powersave_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -1398,6 +1445,8 @@ static ssize_t mcu_powersave_show(struct device *dev,
if (result < 0)
return result;
+ asus_wmi_show_deprecated();
+
return sysfs_emit(buf, "%d\n", result);
}
@@ -1433,6 +1482,7 @@ static ssize_t mcu_powersave_store(struct device *dev,
return count;
}
static DEVICE_ATTR_RW(mcu_powersave);
+#endif
/* Battery ********************************************************************/
@@ -2296,6 +2346,7 @@ static int asus_wmi_rfkill_init(struct asus_wmi *asus)
}
/* Panel Overdrive ************************************************************/
+#if IS_ENABLED(CONFIG_ASUS_WMI_BIOS)
static ssize_t panel_od_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -2306,6 +2357,8 @@ static ssize_t panel_od_show(struct device *dev,
if (result < 0)
return result;
+ asus_wmi_show_deprecated();
+
return sysfs_emit(buf, "%d\n", result);
}
@@ -2342,9 +2395,10 @@ static ssize_t panel_od_store(struct device *dev,
return count;
}
static DEVICE_ATTR_RW(panel_od);
+#endif
/* Bootup sound ***************************************************************/
-
+#if IS_ENABLED(CONFIG_ASUS_WMI_BIOS)
static ssize_t boot_sound_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -2355,6 +2409,8 @@ static ssize_t boot_sound_show(struct device *dev,
if (result < 0)
return result;
+ asus_wmi_show_deprecated();
+
return sysfs_emit(buf, "%d\n", result);
}
@@ -2390,8 +2446,10 @@ static ssize_t boot_sound_store(struct device *dev,
return count;
}
static DEVICE_ATTR_RW(boot_sound);
+#endif
/* Mini-LED mode **************************************************************/
+#if IS_ENABLED(CONFIG_ASUS_WMI_BIOS)
static ssize_t mini_led_mode_show(struct device *dev,
struct device_attribute *attr, char *buf)
{
@@ -2422,6 +2480,8 @@ static ssize_t mini_led_mode_show(struct device *dev,
}
}
+ asus_wmi_show_deprecated();
+
return sysfs_emit(buf, "%d\n", value);
}
@@ -2492,10 +2552,13 @@ static ssize_t available_mini_led_mode_show(struct device *dev,
return sysfs_emit(buf, "0 1 2\n");
}
+ asus_wmi_show_deprecated();
+
return sysfs_emit(buf, "0\n");
}
static DEVICE_ATTR_RO(available_mini_led_mode);
+#endif
/* Quirks *********************************************************************/
@@ -4477,27 +4540,29 @@ 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_egpu_connected.attr,
- &dev_attr_dgpu_disable.attr,
- &dev_attr_gpu_mux_mode.attr,
&dev_attr_lid_resume.attr,
&dev_attr_als_enable.attr,
&dev_attr_fan_boost_mode.attr,
&dev_attr_throttle_thermal_policy.attr,
- &dev_attr_ppt_pl2_sppt.attr,
- &dev_attr_ppt_pl1_spl.attr,
- &dev_attr_ppt_fppt.attr,
- &dev_attr_ppt_apu_sppt.attr,
- &dev_attr_ppt_platform_sppt.attr,
- &dev_attr_nv_dynamic_boost.attr,
- &dev_attr_nv_temp_target.attr,
- &dev_attr_mcu_powersave.attr,
- &dev_attr_boot_sound.attr,
- &dev_attr_panel_od.attr,
- &dev_attr_mini_led_mode.attr,
- &dev_attr_available_mini_led_mode.attr,
+ #if IS_ENABLED(CONFIG_ASUS_WMI_BIOS)
+ &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_ppt_pl2_sppt.attr,
+ &dev_attr_ppt_pl1_spl.attr,
+ &dev_attr_ppt_fppt.attr,
+ &dev_attr_ppt_apu_sppt.attr,
+ &dev_attr_ppt_platform_sppt.attr,
+ &dev_attr_nv_dynamic_boost.attr,
+ &dev_attr_nv_temp_target.attr,
+ &dev_attr_mcu_powersave.attr,
+ &dev_attr_boot_sound.attr,
+ &dev_attr_panel_od.attr,
+ &dev_attr_mini_led_mode.attr,
+ &dev_attr_available_mini_led_mode.attr,
+ #endif
NULL
};
@@ -4519,7 +4584,11 @@ 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)
+ else if (attr == &dev_attr_fan_boost_mode.attr)
+ ok = asus->fan_boost_mode_available;
+
+ #if IS_ENABLED(CONFIG_ASUS_WMI_BIOS)
+ if (attr == &dev_attr_charge_mode.attr)
devid = ASUS_WMI_DEVID_CHARGE_MODE;
else if (attr == &dev_attr_egpu_enable.attr)
ok = asus->egpu_enable_available;
@@ -4557,6 +4626,7 @@ static umode_t asus_sysfs_is_visible(struct kobject *kobj,
ok = asus->mini_led_dev_id != 0;
else if (attr == &dev_attr_available_mini_led_mode.attr)
ok = asus->mini_led_dev_id != 0;
+ #endif /* CONFIG_ASUS_WMI_BIOS */
if (devid != -1) {
ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0);
@@ -4797,6 +4867,7 @@ static int asus_wmi_add(struct platform_device *pdev)
goto fail_platform;
/* ensure defaults for tunables */
+ #if IS_ENABLED(CONFIG_ASUS_WMI_BIOS)
asus->ppt_pl2_sppt = 5;
asus->ppt_pl1_spl = 5;
asus->ppt_apu_sppt = 5;
@@ -4808,8 +4879,6 @@ static int asus_wmi_add(struct platform_device *pdev)
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->kbd_rgb_state_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_STATE);
- asus->ally_mcu_usb_switch = acpi_has_method(NULL, ASUS_USB0_PWR_EC0_CSEE)
- && dmi_check_system(asus_ally_mcu_quirk);
if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MINI_LED_MODE))
asus->mini_led_dev_id = ASUS_WMI_DEVID_MINI_LED_MODE;
@@ -4820,6 +4889,10 @@ static int asus_wmi_add(struct platform_device *pdev)
asus->gpu_mux_dev = ASUS_WMI_DEVID_GPU_MUX;
else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_MUX_VIVO))
asus->gpu_mux_dev = ASUS_WMI_DEVID_GPU_MUX_VIVO;
+ #endif
+
+ asus->ally_mcu_usb_switch = acpi_has_method(NULL, ASUS_USB0_PWR_EC0_CSEE)
+ && dmi_check_system(asus_ally_mcu_quirk);
if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE))
asus->kbd_rgb_dev = ASUS_WMI_DEVID_TUF_RGB_MODE;
--
2.45.2
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