--- /dev/null
+What: /sys/kernel/debug/msi-wmi-platform-<wmi_device_name>/*
+Date: April 2024
+KernelVersion: 6.10
+Contact: Armin Wolf <W_Armin@gmx.de>
+Description:
+ This file allows to execute the associated WMI method with the same name.
+
+ To start the execution, write a buffer containing the method arguments
+ at file offset 0. Partial writes or writes at a different offset are not
+ supported.
+
+ The buffer returned by the WMI method can then be read from the file.
+
+ See Documentation/wmi/devices/msi-wmi-platform.rst for details.
Change the mini-LED mode:
* 0 - Single-zone,
* 1 - Multi-zone
+ * 2 - Multi-zone strong (available on newer generation mini-led)
+
+What: /sys/devices/platform/<platform>/available_mini_led_mode
+Date: Apr 2024
+KernelVersion: 6.10
+Contact: "Luke Jones" <luke@ljones.dev>
+Description:
+ List the available mini-led modes.
What: /sys/devices/platform/<platform>/ppt_pl1_spl
Date: Jun 2023
Description:
Set the target temperature limit of the Nvidia dGPU:
* min=75, max=87
+
+What: /sys/devices/platform/<platform>/boot_sound
+Date: Apr 2024
+KernelVersion: 6.10
+Contact: "Luke Jones" <luke@ljones.dev>
+Description:
+ Set if the BIOS POST sound is played on boot.
+ * 0 - False,
+ * 1 - True
+
+What: /sys/devices/platform/<platform>/mcu_powersave
+Date: Apr 2024
+KernelVersion: 6.10
+Contact: "Luke Jones" <luke@ljones.dev>
+Description:
+ Set if the MCU can go in to low-power mode on system sleep
+ * 0 - False,
+ * 1 - True
--- /dev/null
+# SPDX-License-Identifier: (GPL-2.0-only OR BSD-2-Clause)
+%YAML 1.2
+---
+$id: http://devicetree.org/schemas/platform/acer,aspire1-ec.yaml#
+$schema: http://devicetree.org/meta-schemas/core.yaml#
+
+title: Acer Aspire 1 Embedded Controller
+
+maintainers:
+ - Nikita Travkin <nikita@trvn.ru>
+
+description:
+ The Acer Aspire 1 laptop uses an embedded controller to control battery
+ and charging as well as to provide a set of misc features such as the
+ laptop lid status and HPD events for the USB Type-C DP alt mode.
+
+properties:
+ compatible:
+ const: acer,aspire1-ec
+
+ reg:
+ const: 0x76
+
+ interrupts:
+ maxItems: 1
+
+ connector:
+ $ref: /schemas/connector/usb-connector.yaml#
+
+required:
+ - compatible
+ - reg
+ - interrupts
+
+additionalProperties: false
+
+examples:
+ - |
+ #include <dt-bindings/interrupt-controller/irq.h>
+ i2c {
+ #address-cells = <1>;
+ #size-cells = <0>;
+
+ embedded-controller@76 {
+ compatible = "acer,aspire1-ec";
+ reg = <0x76>;
+
+ interrupts-extended = <&tlmm 30 IRQ_TYPE_LEVEL_LOW>;
+
+ connector {
+ compatible = "usb-c-connector";
+
+ port {
+ ec_dp_in: endpoint {
+ remote-endpoint = <&mdss_dp_out>;
+ };
+ };
+ };
+ };
+ };
--- /dev/null
+.. SPDX-License-Identifier: GPL-2.0-or-later
+
+===================================================
+MSI WMI Platform Features driver (msi-wmi-platform)
+===================================================
+
+Introduction
+============
+
+Many MSI notebooks support various features like reading fan sensors. This features are controlled
+by the embedded controller, with the ACPI firmware exposing a standard ACPI WMI interface on top
+of the embedded controller interface.
+
+WMI interface description
+=========================
+
+The WMI interface description can be decoded from the embedded binary MOF (bmof)
+data using the `bmfdec <https://github.com/pali/bmfdec>`_ utility:
+
+::
+
+ [WMI, Locale("MS\0x409"),
+ Description("This class contains the definition of the package used in other classes"),
+ guid("{ABBC0F60-8EA1-11d1-00A0-C90629100000}")]
+ class Package {
+ [WmiDataId(1), read, write, Description("16 bytes of data")] uint8 Bytes[16];
+ };
+
+ [WMI, Locale("MS\0x409"),
+ Description("This class contains the definition of the package used in other classes"),
+ guid("{ABBC0F63-8EA1-11d1-00A0-C90629100000}")]
+ class Package_32 {
+ [WmiDataId(1), read, write, Description("32 bytes of data")] uint8 Bytes[32];
+ };
+
+ [WMI, Dynamic, Provider("WmiProv"), Locale("MS\0x409"),
+ Description("Class used to operate methods on a package"),
+ guid("{ABBC0F6E-8EA1-11d1-00A0-C90629100000}")]
+ class MSI_ACPI {
+ [key, read] string InstanceName;
+ [read] boolean Active;
+
+ [WmiMethodId(1), Implemented, read, write, Description("Return the contents of a package")]
+ void GetPackage([out, id(0)] Package Data);
+
+ [WmiMethodId(2), Implemented, read, write, Description("Set the contents of a package")]
+ void SetPackage([in, id(0)] Package Data);
+
+ [WmiMethodId(3), Implemented, read, write, Description("Return the contents of a package")]
+ void Get_EC([out, id(0)] Package_32 Data);
+
+ [WmiMethodId(4), Implemented, read, write, Description("Set the contents of a package")]
+ void Set_EC([in, id(0)] Package_32 Data);
+
+ [WmiMethodId(5), Implemented, read, write, Description("Return the contents of a package")]
+ void Get_BIOS([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(6), Implemented, read, write, Description("Set the contents of a package")]
+ void Set_BIOS([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(7), Implemented, read, write, Description("Return the contents of a package")]
+ void Get_SMBUS([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(8), Implemented, read, write, Description("Set the contents of a package")]
+ void Set_SMBUS([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(9), Implemented, read, write, Description("Return the contents of a package")]
+ void Get_MasterBattery([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(10), Implemented, read, write, Description("Set the contents of a package")]
+ void Set_MasterBattery([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(11), Implemented, read, write, Description("Return the contents of a package")]
+ void Get_SlaveBattery([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(12), Implemented, read, write, Description("Set the contents of a package")]
+ void Set_SlaveBattery([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(13), Implemented, read, write, Description("Return the contents of a package")]
+ void Get_Temperature([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(14), Implemented, read, write, Description("Set the contents of a package")]
+ void Set_Temperature([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(15), Implemented, read, write, Description("Return the contents of a package")]
+ void Get_Thermal([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(16), Implemented, read, write, Description("Set the contents of a package")]
+ void Set_Thermal([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(17), Implemented, read, write, Description("Return the contents of a package")]
+ void Get_Fan([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(18), Implemented, read, write, Description("Set the contents of a package")]
+ void Set_Fan([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(19), Implemented, read, write, Description("Return the contents of a package")]
+ void Get_Device([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(20), Implemented, read, write, Description("Set the contents of a package")]
+ void Set_Device([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(21), Implemented, read, write, Description("Return the contents of a package")]
+ void Get_Power([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(22), Implemented, read, write, Description("Set the contents of a package")]
+ void Set_Power([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(23), Implemented, read, write, Description("Return the contents of a package")]
+ void Get_Debug([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(24), Implemented, read, write, Description("Set the contents of a package")]
+ void Set_Debug([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(25), Implemented, read, write, Description("Return the contents of a package")]
+ void Get_AP([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(26), Implemented, read, write, Description("Set the contents of a package")]
+ void Set_AP([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(27), Implemented, read, write, Description("Return the contents of a package")]
+ void Get_Data([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(28), Implemented, read, write, Description("Set the contents of a package")]
+ void Set_Data([in, out, id(0)] Package_32 Data);
+
+ [WmiMethodId(29), Implemented, read, write, Description("Return the contents of a package")]
+ void Get_WMI([out, id(0)] Package_32 Data);
+ };
+
+Due to a peculiarity in how Windows handles the ``CreateByteField()`` ACPI operator (errors only
+happen when a invalid byte field is ultimately accessed), all methods require a 32 byte input
+buffer, even if the Binay MOF says otherwise.
+
+The input buffer contains a single byte to select the subfeature to be accessed and 31 bytes of
+input data, the meaning of which depends on the subfeature being accessed.
+
+The output buffer contains a singe byte which signals success or failure (``0x00`` on failure)
+and 31 bytes of output data, the meaning if which depends on the subfeature being accessed.
+
+WMI method Get_EC()
+-------------------
+
+Returns embedded controller information, the selected subfeature does not matter. The output
+data contains a flag byte and a 28 byte controller firmware version string.
+
+The first 4 bits of the flag byte contain the minor version of the embedded controller interface,
+with the next 2 bits containing the major version of the embedded controller interface.
+
+The 7th bit signals if the embedded controller page chaged (exact meaning is unknown), and the
+last bit signals if the platform is a Tigerlake platform.
+
+The MSI software seems to only use this interface when the last bit is set.
+
+WMI method Get_Fan()
+--------------------
+
+Fan speed sensors can be accessed by selecting subfeature ``0x00``. The output data contains
+up to four 16-bit fan speed readings in big-endian format. Most machines do not support all
+four fan speed sensors, so the remaining reading are hardcoded to ``0x0000``.
+
+The fan RPM readings can be calculated with the following formula:
+
+ RPM = 480000 / <fan speed reading>
+
+If the fan speed reading is zero, then the fan RPM is zero too.
+
+WMI method Get_WMI()
+--------------------
+
+Returns the version of the ACPI WMI interface, the selected subfeature does not matter.
+The output data contains two bytes, the first one contains the major version and the last one
+contains the minor revision of the ACPI WMI interface.
+
+The MSI software seems to only use this interface when the major version is greater than two.
+
+Reverse-Engineering the MSI WMI Platform interface
+==================================================
+
+.. warning:: Randomly poking the embedded controller interface can potentially cause damage
+ to the machine and other unwanted side effects, please be careful.
+
+The underlying embedded controller interface is used by the ``msi-ec`` driver, and it seems
+that many methods just copy a part of the embedded controller memory into the output buffer.
+
+This means that the remaining WMI methods can be reverse-engineered by looking which part of
+the embedded controller memory is accessed by the ACPI AML code. The driver also supports a
+debugfs interface for directly executing WMI methods. Additionally, any safety checks regarding
+unsupported hardware can be disabled by loading the module with ``force=true``.
+
+More information about the MSI embedded controller interface can be found at the
+`msi-ec project <https://github.com/BeardOverflow/msi-ec>`_.
+
+Special thanks go to github user `glpnk` for showing how to decode the fan speed readings.
--- /dev/null
+.. SPDX-License-Identifier: GPL-2.0-or-later
+
+============================
+WMI driver development guide
+============================
+
+The WMI subsystem provides a rich driver API for implementing WMI drivers,
+documented at Documentation/driver-api/wmi.rst. This document will serve
+as an introductory guide for WMI driver writers using this API. It is supposed
+to be a successor to the original LWN article [1]_ which deals with WMI drivers
+using the deprecated GUID-based WMI interface.
+
+Obtaining WMI device information
+--------------------------------
+
+Before developing an WMI driver, information about the WMI device in question
+must be obtained. The `lswmi <https://pypi.org/project/lswmi>`_ utility can be
+used to extract detailed WMI device information using the following command:
+
+::
+
+ lswmi -V
+
+The resulting output will contain information about all WMI devices available on
+a given machine, plus some extra information.
+
+In order to find out more about the interface used to communicate with a WMI device,
+the `bmfdec <https://github.com/pali/bmfdec>`_ utilities can be used to decode
+the Binary MOF (Managed Object Format) information used to describe WMI devices.
+The ``wmi-bmof`` driver exposes this information to userspace, see
+Documentation/wmi/devices/wmi-bmof.rst.
+
+In order to retrieve the decoded Binary MOF information, use the following command (requires root):
+
+::
+
+ ./bmf2mof /sys/bus/wmi/devices/05901221-D566-11D1-B2F0-00A0C9062910[-X]/bmof
+
+Sometimes, looking at the disassembled ACPI tables used to describe the WMI device
+helps in understanding how the WMI device is supposed to work. The path of the ACPI
+method associated with a given WMI device can be retrieved using the ``lswmi`` utility
+as mentioned above.
+
+Basic WMI driver structure
+--------------------------
+
+The basic WMI driver is build around the struct wmi_driver, which is then bound
+to matching WMI devices using a struct wmi_device_id table:
+
+::
+
+ static const struct wmi_device_id foo_id_table[] = {
+ { "936DA01F-9ABD-4D9D-80C7-02AF85C822A8", NULL },
+ { }
+ };
+ MODULE_DEVICE_TABLE(wmi, foo_id_table);
+
+ static struct wmi_driver foo_driver = {
+ .driver = {
+ .name = "foo",
+ .probe_type = PROBE_PREFER_ASYNCHRONOUS, /* recommended */
+ .pm = pm_sleep_ptr(&foo_dev_pm_ops), /* optional */
+ },
+ .id_table = foo_id_table,
+ .probe = foo_probe,
+ .remove = foo_remove, /* optional, devres is preferred */
+ .notify = foo_notify, /* optional, for event handling */
+ .no_notify_data = true, /* optional, enables events containing no additional data */
+ .no_singleton = true, /* required for new WMI drivers */
+ };
+ module_wmi_driver(foo_driver);
+
+The probe() callback is called when the WMI driver is bound to a matching WMI device. Allocating
+driver-specific data structures and initialising interfaces to other kernel subsystems should
+normally be done in this function.
+
+The remove() callback is then called when the WMI driver is unbound from a WMI device. In order
+to unregister interfaces to other kernel subsystems and release resources, devres should be used.
+This simplifies error handling during probe and often allows to omit this callback entirely, see
+Documentation/driver-api/driver-model/devres.rst for details.
+
+Please note that new WMI drivers are required to be able to be instantiated multiple times,
+and are forbidden from using any deprecated GUID-based WMI functions. This means that the
+WMI driver should be prepared for the scenario that multiple matching WMI devices are present
+on a given machine.
+
+Because of this, WMI drivers should use the state container design pattern as described in
+Documentation/driver-api/driver-model/design-patterns.rst.
+
+WMI method drivers
+------------------
+
+WMI drivers can call WMI device methods using wmidev_evaluate_method(), the
+structure of the ACPI buffer passed to this function is device-specific and usually
+needs some tinkering to get right. Looking at the ACPI tables containing the WMI
+device usually helps here. The method id and instance number passed to this function
+are also device-specific, looking at the decoded Binary MOF is usually enough to
+find the right values.
+
+The maximum instance number can be retrieved during runtime using wmidev_instance_count().
+
+Take a look at drivers/platform/x86/inspur_platform_profile.c for an example WMI method driver.
+
+WMI data block drivers
+----------------------
+
+WMI drivers can query WMI device data blocks using wmidev_block_query(), the
+structure of the returned ACPI object is again device-specific. Some WMI devices
+also allow for setting data blocks using wmidev_block_set().
+
+The maximum instance number can also be retrieved using wmidev_instance_count().
+
+Take a look at drivers/platform/x86/intel/wmi/sbl-fw-update.c for an example
+WMI data block driver.
+
+WMI event drivers
+-----------------
+
+WMI drivers can receive WMI events via the notify() callback inside the struct wmi_driver.
+The WMI subsystem will then take care of setting up the WMI event accordingly. Please note that
+the structure of the ACPI object passed to this callback is device-specific, and freeing the
+ACPI object is being done by the WMI subsystem, not the driver.
+
+The WMI driver core will take care that the notify() callback will only be called after
+the probe() callback has been called, and that no events are being received by the driver
+right before and after calling its remove() callback.
+
+However WMI driver developers should be aware that multiple WMI events can be received concurrently,
+so any locking (if necessary) needs to be provided by the WMI driver itself.
+
+In order to be able to receive WMI events containing no additional event data,
+the ``no_notify_data`` flag inside struct wmi_driver should be set to ``true``.
+
+Take a look at drivers/platform/x86/xiaomi-wmi.c for an example WMI event driver.
+
+Handling multiple WMI devices at once
+-------------------------------------
+
+There are many cases of firmware vendors using multiple WMI devices to control different aspects
+of a single physical device. This can make developing WMI drivers complicated, as those drivers
+might need to communicate with each other to present a unified interface to userspace.
+
+On such case involves a WMI event device which needs to talk to a WMI data block device or WMI
+method device upon receiving an WMI event. In such a case, two WMI drivers should be developed,
+one for the WMI event device and one for the other WMI device.
+
+The WMI event device driver has only one purpose: to receive WMI events, validate any additional
+event data and invoke a notifier chain. The other WMI driver adds itself to this notifier chain
+during probing and thus gets notified every time a WMI event is received. This WMI driver might
+then process the event further for example by using an input device.
+
+For other WMI device constellations, similar mechanisms can be used.
+
+Things to avoid
+---------------
+
+When developing WMI drivers, there are a couple of things which should be avoided:
+
+- usage of the deprecated GUID-based WMI interface which uses GUIDs instead of WMI device structs
+- bypassing of the WMI subsystem when talking to WMI devices
+- WMI drivers which cannot be instantiated multiple times.
+
+Many older WMI drivers violate one or more points from this list. The reason for
+this is that the WMI subsystem evolved significantly over the last two decades,
+so there is a lot of legacy cruft inside older WMI drivers.
+
+New WMI drivers are also required to conform to the linux kernel coding style as specified in
+Documentation/process/coding-style.rst. The checkpatch utility can catch many common coding style
+violations, you can invoke it with the following command:
+
+::
+
+ ./scripts/checkpatch.pl --strict <path to driver file>
+
+References
+==========
+
+.. [1] https://lwn.net/Articles/391230/
:maxdepth: 1
acpi-interface
+ driver-development-guide
devices/index
.. only:: subproject and html
S: Maintained
F: drivers/net/ethernet/alteon/acenic*
+ACER ASPIRE 1 EMBEDDED CONTROLLER DRIVER
+M: Nikita Travkin <nikita@trvn.ru>
+S: Maintained
+F: Documentation/devicetree/bindings/platform/acer,aspire1-ec.yaml
+F: drivers/platform/arm64/acer-aspire1-ec.c
+
ACER ASPIRE ONE TEMPERATURE AND FAN DRIVER
M: Peter Kaestle <peter@piie.net>
L: platform-driver-x86@vger.kernel.org
T: git git://git.kernel.org/pub/scm/linux/kernel/git/rafael/linux-pm
F: drivers/acpi/pmic/
+ACPI QUICKSTART DRIVER
+M: Armin Wolf <W_Armin@gmx.de>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+F: drivers/platform/x86/quickstart.c
+
ACPI SERIAL MULTI INSTANTIATE DRIVER
M: Hans de Goede <hdegoede@redhat.com>
L: platform-driver-x86@vger.kernel.org
F: arch/arm64/boot/Makefile
F: scripts/make_fit.py
+ARM64 PLATFORM DRIVERS
+M: Hans de Goede <hdegoede@redhat.com>
+M: Ilpo Järvinen <ilpo.jarvinen@linux.intel.com>
+R: Bryan O'Donoghue <bryan.odonoghue@linaro.org>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+Q: https://patchwork.kernel.org/project/platform-driver-x86/list/
+T: git git://git.kernel.org/pub/scm/linux/kernel/git/pdx86/platform-drivers-x86.git
+F: drivers/platform/arm64/
+
ARM64 PORT (AARCH64 ARCHITECTURE)
M: Catalin Marinas <catalin.marinas@arm.com>
M: Will Deacon <will@kernel.org>
CMPC ACPI DRIVER
M: Thadeu Lima de Souza Cascardo <cascardo@holoscopio.com>
-M: Daniel Oliveira Nascimento <don@syst.com.br>
L: platform-driver-x86@vger.kernel.org
S: Supported
F: drivers/platform/x86/classmate-laptop.c
S: Orphan
F: drivers/platform/x86/msi-wmi.c
+MSI WMI PLATFORM FEATURES
+M: Armin Wolf <W_Armin@gmx.de>
+L: platform-driver-x86@vger.kernel.org
+S: Maintained
+F: Documentation/ABI/testing/debugfs-msi-wmi-platform
+F: Documentation/wmi/devices/msi-wmi-platform.rst
+F: drivers/platform/x86/msi-wmi-platform.c
+
MSI001 MEDIA DRIVER
L: linux-media@vger.kernel.org
S: Orphan
clock-frequency = <400000>;
status = "okay";
- /* embedded-controller@76 */
+ embedded-controller@76 {
+ compatible = "acer,aspire1-ec";
+ reg = <0x76>;
+
+ interrupts-extended = <&tlmm 30 IRQ_TYPE_LEVEL_LOW>;
+
+ pinctrl-0 = <&ec_int_default>;
+ pinctrl-names = "default";
+
+ connector {
+ compatible = "usb-c-connector";
+
+ port {
+ ec_dp_in: endpoint {
+ remote-endpoint = <&mdss_dp_out>;
+ };
+ };
+ };
+ };
};
&i2c4 {
status = "okay";
};
+&mdss_dp {
+ data-lanes = <0 1>;
+
+ vdda-1p2-supply = <&vreg_l3c_1p2>;
+ vdda-0p9-supply = <&vreg_l4a_0p8>;
+
+ status = "okay";
+};
+
+&mdss_dp_out {
+ remote-endpoint = <&ec_dp_in>;
+};
+
&mdss_dsi0 {
vdda-supply = <&vreg_l3c_1p2>;
status = "okay";
bias-disable;
};
+ ec_int_default: ec-int-default-state {
+ pins = "gpio30";
+ function = "gpio";
+ drive-strength = <2>;
+ bias-disable;
+ };
+
edp_bridge_irq_default: edp-bridge-irq-default-state {
pins = "gpio11";
function = "gpio";
}
EXPORT_SYMBOL_GPL(platform_profile_notify);
+int platform_profile_cycle(void)
+{
+ enum platform_profile_option profile;
+ enum platform_profile_option next;
+ int err;
+
+ err = mutex_lock_interruptible(&profile_lock);
+ if (err)
+ return err;
+
+ if (!cur_profile) {
+ mutex_unlock(&profile_lock);
+ return -ENODEV;
+ }
+
+ err = cur_profile->profile_get(cur_profile, &profile);
+ if (err) {
+ mutex_unlock(&profile_lock);
+ return err;
+ }
+
+ next = find_next_bit_wrap(cur_profile->choices, PLATFORM_PROFILE_LAST,
+ profile + 1);
+
+ if (WARN_ON(next == PLATFORM_PROFILE_LAST)) {
+ mutex_unlock(&profile_lock);
+ return -EINVAL;
+ }
+
+ err = cur_profile->profile_set(cur_profile, next);
+ mutex_unlock(&profile_lock);
+
+ if (!err)
+ sysfs_notify(acpi_kobj, NULL, "platform_profile");
+
+ return err;
+}
+EXPORT_SYMBOL_GPL(platform_profile_cycle);
+
int platform_profile_register(struct platform_profile_handler *pprof)
{
int err;
source "drivers/platform/surface/Kconfig"
source "drivers/platform/x86/Kconfig"
+
+source "drivers/platform/arm64/Kconfig"
obj-$(CONFIG_GOLDFISH) += goldfish/
obj-$(CONFIG_CHROME_PLATFORMS) += chrome/
obj-$(CONFIG_SURFACE_PLATFORMS) += surface/
+obj-$(CONFIG_ARM64) += arm64/
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# EC-like Drivers for aarch64 based devices.
+#
+
+menuconfig ARM64_PLATFORM_DEVICES
+ bool "ARM64 Platform-Specific Device Drivers"
+ depends on ARM64 || COMPILE_TEST
+ default y
+ help
+ Say Y here to get to see options for platform-specific device drivers
+ for arm64 based devices, primarily EC-like device drivers.
+ This option alone does not add any kernel code.
+
+ If you say N, all options in this submenu will be skipped and disabled.
+
+if ARM64_PLATFORM_DEVICES
+
+config EC_ACER_ASPIRE1
+ tristate "Acer Aspire 1 Embedded Controller driver"
+ depends on I2C
+ depends on DRM
+ depends on POWER_SUPPLY
+ depends on INPUT
+ help
+ Say Y here to enable the EC driver for the (Snapdragon-based)
+ Acer Aspire 1 laptop. The EC handles battery and charging
+ monitoring as well as some misc functions like the lid sensor
+ and USB Type-C DP HPD events.
+
+ This driver provides battery and AC status support for the mentioned
+ laptop where this information is not properly exposed via the
+ standard ACPI devices.
+
+endif # ARM64_PLATFORM_DEVICES
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0-only
+#
+# Makefile for linux/drivers/platform/arm64
+#
+# This dir should only include drivers for EC-like devices.
+#
+
+obj-$(CONFIG_EC_ACER_ASPIRE1) += acer-aspire1-ec.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-only
+/* Copyright (c) 2024, Nikita Travkin <nikita@trvn.ru> */
+
+#include <asm-generic/unaligned.h>
+#include <drm/drm_bridge.h>
+#include <linux/bits.h>
+#include <linux/delay.h>
+#include <linux/i2c.h>
+#include <linux/input.h>
+#include <linux/module.h>
+#include <linux/platform_device.h>
+#include <linux/power_supply.h>
+#include <linux/usb/typec_mux.h>
+#include <linux/workqueue_types.h>
+
+#define MILLI_TO_MICRO 1000
+
+#define ASPIRE_EC_EVENT 0x05
+
+#define ASPIRE_EC_EVENT_WATCHDOG 0x20
+#define ASPIRE_EC_EVENT_KBD_BKL_ON 0x57
+#define ASPIRE_EC_EVENT_KBD_BKL_OFF 0x58
+#define ASPIRE_EC_EVENT_LID_CLOSE 0x9b
+#define ASPIRE_EC_EVENT_LID_OPEN 0x9c
+#define ASPIRE_EC_EVENT_BKL_UNBLANKED 0x9d
+#define ASPIRE_EC_EVENT_BKL_BLANKED 0x9e
+#define ASPIRE_EC_EVENT_FG_INF_CHG 0x85
+#define ASPIRE_EC_EVENT_FG_STA_CHG 0xc6
+#define ASPIRE_EC_EVENT_HPD_DIS 0xa3
+#define ASPIRE_EC_EVENT_HPD_CON 0xa4
+
+#define ASPIRE_EC_FG_DYNAMIC 0x07
+#define ASPIRE_EC_FG_STATIC 0x08
+
+#define ASPIRE_EC_FG_FLAG_PRESENT BIT(0)
+#define ASPIRE_EC_FG_FLAG_FULL BIT(1)
+#define ASPIRE_EC_FG_FLAG_DISCHARGING BIT(2)
+#define ASPIRE_EC_FG_FLAG_CHARGING BIT(3)
+
+#define ASPIRE_EC_RAM_READ 0x20
+#define ASPIRE_EC_RAM_WRITE 0x21
+
+#define ASPIRE_EC_RAM_WATCHDOG 0x19
+#define ASPIRE_EC_WATCHDOG_BIT BIT(6)
+
+#define ASPIRE_EC_RAM_KBD_MODE 0x43
+
+#define ASPIRE_EC_RAM_KBD_FN_EN BIT(0)
+#define ASPIRE_EC_RAM_KBD_MEDIA_ON_TOP BIT(5)
+#define ASPIRE_EC_RAM_KBD_ALWAYS_SET BIT(6)
+#define ASPIRE_EC_RAM_KBD_NUM_LAYER_EN BIT(7)
+
+#define ASPIRE_EC_RAM_KBD_MODE_2 0x60
+
+#define ASPIRE_EC_RAM_KBD_MEDIA_NOTIFY BIT(3)
+
+#define ASPIRE_EC_RAM_HPD_STATUS 0xf4
+#define ASPIRE_EC_HPD_CONNECTED 0x03
+
+#define ASPIRE_EC_RAM_LID_STATUS 0x4c
+#define ASPIRE_EC_LID_OPEN BIT(6)
+
+#define ASPIRE_EC_RAM_ADP 0x40
+#define ASPIRE_EC_AC_STATUS BIT(0)
+
+struct aspire_ec {
+ struct i2c_client *client;
+ struct power_supply *bat_psy;
+ struct power_supply *adp_psy;
+ struct input_dev *idev;
+
+ bool bridge_configured;
+ struct drm_bridge bridge;
+ struct work_struct work;
+};
+
+static int aspire_ec_ram_read(struct i2c_client *client, u8 off, u8 *data, u8 data_len)
+{
+ i2c_smbus_write_byte_data(client, ASPIRE_EC_RAM_READ, off);
+ i2c_smbus_read_i2c_block_data(client, ASPIRE_EC_RAM_READ, data_len, data);
+ return 0;
+}
+
+static int aspire_ec_ram_write(struct i2c_client *client, u8 off, u8 data)
+{
+ u8 tmp[2] = {off, data};
+
+ i2c_smbus_write_i2c_block_data(client, ASPIRE_EC_RAM_WRITE, sizeof(tmp), tmp);
+ return 0;
+}
+
+static irqreturn_t aspire_ec_irq_handler(int irq, void *data)
+{
+ struct aspire_ec *ec = data;
+ int id;
+ u8 tmp;
+
+ /*
+ * The original ACPI firmware actually has a small sleep in the handler.
+ *
+ * It seems like in most cases it's not needed but when the device
+ * just exits suspend, our i2c driver has a brief time where data
+ * transfer is not possible yet. So this delay allows us to suppress
+ * quite a bunch of spurious error messages in dmesg. Thus it's kept.
+ */
+ usleep_range(15000, 30000);
+
+ id = i2c_smbus_read_byte_data(ec->client, ASPIRE_EC_EVENT);
+ if (id < 0) {
+ dev_err(&ec->client->dev, "Failed to read event id: %pe\n", ERR_PTR(id));
+ return IRQ_HANDLED;
+ }
+
+ switch (id) {
+ case 0x0: /* No event */
+ break;
+
+ case ASPIRE_EC_EVENT_WATCHDOG:
+ /*
+ * Here acpi responds to the event and clears some bit.
+ * Notify (\_SB.I2C3.BAT1, 0x81) // Information Change
+ * Notify (\_SB.I2C3.ADP1, 0x80) // Status Change
+ */
+ aspire_ec_ram_read(ec->client, ASPIRE_EC_RAM_WATCHDOG, &tmp, sizeof(tmp));
+ tmp &= ~ASPIRE_EC_WATCHDOG_BIT;
+ aspire_ec_ram_write(ec->client, ASPIRE_EC_RAM_WATCHDOG, tmp);
+ break;
+
+ case ASPIRE_EC_EVENT_LID_CLOSE:
+ /* Notify (\_SB.LID0, 0x80) // Status Change */
+ input_report_switch(ec->idev, SW_LID, 1);
+ input_sync(ec->idev);
+ break;
+
+ case ASPIRE_EC_EVENT_LID_OPEN:
+ /* Notify (\_SB.LID0, 0x80) // Status Change */
+ input_report_switch(ec->idev, SW_LID, 0);
+ input_sync(ec->idev);
+ break;
+
+ case ASPIRE_EC_EVENT_FG_INF_CHG:
+ /* Notify (\_SB.I2C3.BAT1, 0x81) // Information Change */
+ fallthrough;
+ case ASPIRE_EC_EVENT_FG_STA_CHG:
+ /* Notify (\_SB.I2C3.BAT1, 0x80) // Status Change */
+ power_supply_changed(ec->bat_psy);
+ power_supply_changed(ec->adp_psy);
+ break;
+
+ case ASPIRE_EC_EVENT_HPD_DIS:
+ if (ec->bridge_configured)
+ drm_bridge_hpd_notify(&ec->bridge, connector_status_disconnected);
+ break;
+
+ case ASPIRE_EC_EVENT_HPD_CON:
+ if (ec->bridge_configured)
+ drm_bridge_hpd_notify(&ec->bridge, connector_status_connected);
+ break;
+
+ case ASPIRE_EC_EVENT_BKL_BLANKED:
+ case ASPIRE_EC_EVENT_BKL_UNBLANKED:
+ /* Display backlight blanked on FN+F6. No action needed. */
+ break;
+
+ case ASPIRE_EC_EVENT_KBD_BKL_ON:
+ case ASPIRE_EC_EVENT_KBD_BKL_OFF:
+ /*
+ * There is a keyboard backlight connector on Aspire 1 that is
+ * controlled by FN+F8. There is no kb backlight on the device though.
+ * Seems like this is used on other devices like Acer Spin 7.
+ * No action needed.
+ */
+ break;
+
+ default:
+ dev_warn(&ec->client->dev, "Unknown event id=0x%x\n", id);
+ }
+
+ return IRQ_HANDLED;
+}
+
+/*
+ * Power supply.
+ */
+
+struct aspire_ec_bat_psy_static_data {
+ u8 unk1;
+ u8 flags;
+ __le16 unk2;
+ __le16 voltage_design;
+ __le16 capacity_full;
+ __le16 unk3;
+ __le16 serial;
+ u8 model_id;
+ u8 vendor_id;
+} __packed;
+
+static const char * const aspire_ec_bat_psy_battery_model[] = {
+ "AP18C4K",
+ "AP18C8K",
+ "AP19B8K",
+ "AP16M4J",
+ "AP16M5J",
+};
+
+static const char * const aspire_ec_bat_psy_battery_vendor[] = {
+ "SANYO",
+ "SONY",
+ "PANASONIC",
+ "SAMSUNG",
+ "SIMPLO",
+ "MOTOROLA",
+ "CELXPERT",
+ "LGC",
+ "GETAC",
+ "MURATA",
+};
+
+struct aspire_ec_bat_psy_dynamic_data {
+ u8 unk1;
+ u8 flags;
+ u8 unk2;
+ __le16 capacity_now;
+ __le16 voltage_now;
+ __le16 current_now;
+ __le16 unk3;
+ __le16 unk4;
+} __packed;
+
+static int aspire_ec_bat_psy_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct aspire_ec *ec = power_supply_get_drvdata(psy);
+ struct aspire_ec_bat_psy_static_data sdat;
+ struct aspire_ec_bat_psy_dynamic_data ddat;
+ int str_index = 0;
+
+ i2c_smbus_read_i2c_block_data(ec->client, ASPIRE_EC_FG_STATIC, sizeof(sdat), (u8 *)&sdat);
+ i2c_smbus_read_i2c_block_data(ec->client, ASPIRE_EC_FG_DYNAMIC, sizeof(ddat), (u8 *)&ddat);
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_STATUS:
+ val->intval = POWER_SUPPLY_STATUS_UNKNOWN;
+ if (ddat.flags & ASPIRE_EC_FG_FLAG_CHARGING)
+ val->intval = POWER_SUPPLY_STATUS_CHARGING;
+ else if (ddat.flags & ASPIRE_EC_FG_FLAG_DISCHARGING)
+ val->intval = POWER_SUPPLY_STATUS_DISCHARGING;
+ else if (ddat.flags & ASPIRE_EC_FG_FLAG_FULL)
+ val->intval = POWER_SUPPLY_STATUS_FULL;
+ break;
+
+ case POWER_SUPPLY_PROP_VOLTAGE_NOW:
+ val->intval = get_unaligned_le16(&ddat.voltage_now) * MILLI_TO_MICRO;
+ break;
+
+ case POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN:
+ val->intval = le16_to_cpu(sdat.voltage_design) * MILLI_TO_MICRO;
+ break;
+
+ case POWER_SUPPLY_PROP_CHARGE_NOW:
+ val->intval = get_unaligned_le16(&ddat.capacity_now) * MILLI_TO_MICRO;
+ break;
+
+ case POWER_SUPPLY_PROP_CHARGE_FULL:
+ val->intval = le16_to_cpu(sdat.capacity_full) * MILLI_TO_MICRO;
+ break;
+
+ case POWER_SUPPLY_PROP_CAPACITY:
+ val->intval = get_unaligned_le16(&ddat.capacity_now) * 100;
+ val->intval /= le16_to_cpu(sdat.capacity_full);
+ break;
+
+ case POWER_SUPPLY_PROP_CURRENT_NOW:
+ val->intval = (s16)get_unaligned_le16(&ddat.current_now) * MILLI_TO_MICRO;
+ break;
+
+ case POWER_SUPPLY_PROP_PRESENT:
+ val->intval = !!(ddat.flags & ASPIRE_EC_FG_FLAG_PRESENT);
+ break;
+
+ case POWER_SUPPLY_PROP_SCOPE:
+ val->intval = POWER_SUPPLY_SCOPE_SYSTEM;
+ break;
+
+ case POWER_SUPPLY_PROP_MODEL_NAME:
+ str_index = sdat.model_id - 1;
+
+ if (str_index >= 0 && str_index < ARRAY_SIZE(aspire_ec_bat_psy_battery_model))
+ val->strval = aspire_ec_bat_psy_battery_model[str_index];
+ else
+ val->strval = "Unknown";
+ break;
+
+ case POWER_SUPPLY_PROP_MANUFACTURER:
+ str_index = sdat.vendor_id - 3; /* ACPI uses 3 as an offset here. */
+
+ if (str_index >= 0 && str_index < ARRAY_SIZE(aspire_ec_bat_psy_battery_vendor))
+ val->strval = aspire_ec_bat_psy_battery_vendor[str_index];
+ else
+ val->strval = "Unknown";
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static enum power_supply_property aspire_ec_bat_psy_props[] = {
+ POWER_SUPPLY_PROP_STATUS,
+ POWER_SUPPLY_PROP_VOLTAGE_NOW,
+ POWER_SUPPLY_PROP_VOLTAGE_MAX_DESIGN,
+ POWER_SUPPLY_PROP_CHARGE_NOW,
+ POWER_SUPPLY_PROP_CHARGE_FULL,
+ POWER_SUPPLY_PROP_CAPACITY,
+ POWER_SUPPLY_PROP_CURRENT_NOW,
+ POWER_SUPPLY_PROP_PRESENT,
+ POWER_SUPPLY_PROP_SCOPE,
+ POWER_SUPPLY_PROP_MODEL_NAME,
+ POWER_SUPPLY_PROP_MANUFACTURER,
+};
+
+static const struct power_supply_desc aspire_ec_bat_psy_desc = {
+ .name = "aspire-ec-bat",
+ .type = POWER_SUPPLY_TYPE_BATTERY,
+ .get_property = aspire_ec_bat_psy_get_property,
+ .properties = aspire_ec_bat_psy_props,
+ .num_properties = ARRAY_SIZE(aspire_ec_bat_psy_props),
+};
+
+static int aspire_ec_adp_psy_get_property(struct power_supply *psy,
+ enum power_supply_property psp,
+ union power_supply_propval *val)
+{
+ struct aspire_ec *ec = power_supply_get_drvdata(psy);
+ u8 tmp;
+
+ switch (psp) {
+ case POWER_SUPPLY_PROP_ONLINE:
+ aspire_ec_ram_read(ec->client, ASPIRE_EC_RAM_ADP, &tmp, sizeof(tmp));
+ val->intval = !!(tmp & ASPIRE_EC_AC_STATUS);
+ break;
+
+ default:
+ return -EINVAL;
+ }
+
+ return 0;
+}
+
+static enum power_supply_property aspire_ec_adp_psy_props[] = {
+ POWER_SUPPLY_PROP_ONLINE,
+};
+
+static const struct power_supply_desc aspire_ec_adp_psy_desc = {
+ .name = "aspire-ec-adp",
+ .type = POWER_SUPPLY_TYPE_MAINS,
+ .get_property = aspire_ec_adp_psy_get_property,
+ .properties = aspire_ec_adp_psy_props,
+ .num_properties = ARRAY_SIZE(aspire_ec_adp_psy_props),
+};
+
+/*
+ * USB-C DP Alt mode HPD.
+ */
+
+static int aspire_ec_bridge_attach(struct drm_bridge *bridge, enum drm_bridge_attach_flags flags)
+{
+ return flags & DRM_BRIDGE_ATTACH_NO_CONNECTOR ? 0 : -EINVAL;
+}
+
+static void aspire_ec_bridge_update_hpd_work(struct work_struct *work)
+{
+ struct aspire_ec *ec = container_of(work, struct aspire_ec, work);
+ u8 tmp;
+
+ aspire_ec_ram_read(ec->client, ASPIRE_EC_RAM_HPD_STATUS, &tmp, sizeof(tmp));
+ if (tmp == ASPIRE_EC_HPD_CONNECTED)
+ drm_bridge_hpd_notify(&ec->bridge, connector_status_connected);
+ else
+ drm_bridge_hpd_notify(&ec->bridge, connector_status_disconnected);
+}
+
+static void aspire_ec_bridge_hpd_enable(struct drm_bridge *bridge)
+{
+ struct aspire_ec *ec = container_of(bridge, struct aspire_ec, bridge);
+
+ schedule_work(&ec->work);
+}
+
+static const struct drm_bridge_funcs aspire_ec_bridge_funcs = {
+ .hpd_enable = aspire_ec_bridge_hpd_enable,
+ .attach = aspire_ec_bridge_attach,
+};
+
+/*
+ * Sysfs attributes.
+ */
+
+static ssize_t fn_lock_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct aspire_ec *ec = i2c_get_clientdata(to_i2c_client(dev));
+ u8 tmp;
+
+ aspire_ec_ram_read(ec->client, ASPIRE_EC_RAM_KBD_MODE, &tmp, sizeof(tmp));
+
+ return sysfs_emit(buf, "%u\n", !(tmp & ASPIRE_EC_RAM_KBD_MEDIA_ON_TOP));
+}
+
+static ssize_t fn_lock_store(struct device *dev, struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ struct aspire_ec *ec = i2c_get_clientdata(to_i2c_client(dev));
+ u8 tmp;
+
+ bool state;
+ int ret;
+
+ ret = kstrtobool(buf, &state);
+ if (ret)
+ return ret;
+
+ aspire_ec_ram_read(ec->client, ASPIRE_EC_RAM_KBD_MODE, &tmp, sizeof(tmp));
+
+ if (state)
+ tmp &= ~ASPIRE_EC_RAM_KBD_MEDIA_ON_TOP;
+ else
+ tmp |= ASPIRE_EC_RAM_KBD_MEDIA_ON_TOP;
+
+ aspire_ec_ram_write(ec->client, ASPIRE_EC_RAM_KBD_MODE, tmp);
+
+ return count;
+}
+
+static DEVICE_ATTR_RW(fn_lock);
+
+static struct attribute *aspire_ec_attrs[] = {
+ &dev_attr_fn_lock.attr,
+ NULL
+};
+ATTRIBUTE_GROUPS(aspire_ec);
+
+static int aspire_ec_probe(struct i2c_client *client)
+{
+ struct power_supply_config psy_cfg = {0};
+ struct device *dev = &client->dev;
+ struct fwnode_handle *fwnode;
+ struct aspire_ec *ec;
+ int ret;
+ u8 tmp;
+
+ ec = devm_kzalloc(dev, sizeof(*ec), GFP_KERNEL);
+ if (!ec)
+ return -ENOMEM;
+
+ ec->client = client;
+ i2c_set_clientdata(client, ec);
+
+ /* Battery status reports */
+ psy_cfg.drv_data = ec;
+ ec->bat_psy = devm_power_supply_register(dev, &aspire_ec_bat_psy_desc, &psy_cfg);
+ if (IS_ERR(ec->bat_psy))
+ return dev_err_probe(dev, PTR_ERR(ec->bat_psy),
+ "Failed to register battery power supply\n");
+
+ ec->adp_psy = devm_power_supply_register(dev, &aspire_ec_adp_psy_desc, &psy_cfg);
+ if (IS_ERR(ec->adp_psy))
+ return dev_err_probe(dev, PTR_ERR(ec->adp_psy),
+ "Failed to register AC power supply\n");
+
+ /* Lid switch */
+ ec->idev = devm_input_allocate_device(dev);
+ if (!ec->idev)
+ return -ENOMEM;
+
+ ec->idev->name = "aspire-ec";
+ ec->idev->phys = "aspire-ec/input0";
+ input_set_capability(ec->idev, EV_SW, SW_LID);
+
+ ret = input_register_device(ec->idev);
+ if (ret)
+ return dev_err_probe(dev, ret, "Input device register failed\n");
+
+ /* Enable the keyboard fn keys */
+ tmp = ASPIRE_EC_RAM_KBD_FN_EN | ASPIRE_EC_RAM_KBD_ALWAYS_SET;
+ tmp |= ASPIRE_EC_RAM_KBD_MEDIA_ON_TOP;
+ aspire_ec_ram_write(client, ASPIRE_EC_RAM_KBD_MODE, tmp);
+
+ aspire_ec_ram_read(client, ASPIRE_EC_RAM_KBD_MODE_2, &tmp, sizeof(tmp));
+ tmp |= ASPIRE_EC_RAM_KBD_MEDIA_NOTIFY;
+ aspire_ec_ram_write(client, ASPIRE_EC_RAM_KBD_MODE_2, tmp);
+
+ /* External Type-C display attach reports */
+ fwnode = device_get_named_child_node(dev, "connector");
+ if (fwnode) {
+ INIT_WORK(&ec->work, aspire_ec_bridge_update_hpd_work);
+ ec->bridge.funcs = &aspire_ec_bridge_funcs;
+ ec->bridge.of_node = to_of_node(fwnode);
+ ec->bridge.ops = DRM_BRIDGE_OP_HPD;
+ ec->bridge.type = DRM_MODE_CONNECTOR_USB;
+
+ ret = devm_drm_bridge_add(dev, &ec->bridge);
+ if (ret) {
+ fwnode_handle_put(fwnode);
+ return dev_err_probe(dev, ret, "Failed to register drm bridge\n");
+ }
+
+ ec->bridge_configured = true;
+ }
+
+ ret = devm_request_threaded_irq(dev, client->irq, NULL,
+ aspire_ec_irq_handler, IRQF_ONESHOT,
+ dev_name(dev), ec);
+ if (ret)
+ return dev_err_probe(dev, ret, "Failed to request irq\n");
+
+ return 0;
+}
+
+static int aspire_ec_resume(struct device *dev)
+{
+ struct aspire_ec *ec = i2c_get_clientdata(to_i2c_client(dev));
+ u8 tmp;
+
+ aspire_ec_ram_read(ec->client, ASPIRE_EC_RAM_LID_STATUS, &tmp, sizeof(tmp));
+ input_report_switch(ec->idev, SW_LID, !!(tmp & ASPIRE_EC_LID_OPEN));
+ input_sync(ec->idev);
+
+ return 0;
+}
+
+static const struct i2c_device_id aspire_ec_id[] = {
+ { "aspire1-ec", },
+ { }
+};
+MODULE_DEVICE_TABLE(i2c, aspire_ec_id);
+
+static const struct of_device_id aspire_ec_of_match[] = {
+ { .compatible = "acer,aspire1-ec", },
+ { }
+};
+MODULE_DEVICE_TABLE(of, aspire_ec_of_match);
+
+static DEFINE_SIMPLE_DEV_PM_OPS(aspire_ec_pm_ops, NULL, aspire_ec_resume);
+
+static struct i2c_driver aspire_ec_driver = {
+ .driver = {
+ .name = "aspire-ec",
+ .of_match_table = aspire_ec_of_match,
+ .pm = pm_sleep_ptr(&aspire_ec_pm_ops),
+ .dev_groups = aspire_ec_groups,
+ },
+ .probe = aspire_ec_probe,
+ .id_table = aspire_ec_id,
+};
+module_i2c_driver(aspire_ec_driver);
+
+MODULE_DESCRIPTION("Acer Aspire 1 embedded controller");
+MODULE_AUTHOR("Nikita Travkin <nikita@trvn.ru>");
+MODULE_LICENSE("GPL");
static int ssam_serial_hub_probe(struct serdev_device *serdev)
{
- struct acpi_device *ssh = ACPI_COMPANION(&serdev->dev);
+ struct device *dev = &serdev->dev;
+ struct acpi_device *ssh = ACPI_COMPANION(dev);
struct ssam_controller *ctrl;
acpi_status astatus;
int status;
- if (gpiod_count(&serdev->dev, NULL) < 0)
- return -ENODEV;
+ status = gpiod_count(dev, NULL);
+ if (status < 0)
+ return dev_err_probe(dev, status, "no GPIO found\n");
- status = devm_acpi_dev_add_driver_gpios(&serdev->dev, ssam_acpi_gpios);
+ status = devm_acpi_dev_add_driver_gpios(dev, ssam_acpi_gpios);
if (status)
return status;
/* Initialize controller. */
status = ssam_controller_init(ctrl, serdev);
- if (status)
+ if (status) {
+ dev_err_probe(dev, status, "failed to initialize ssam controller\n");
goto err_ctrl_init;
+ }
ssam_controller_lock(ctrl);
serdev_device_set_drvdata(serdev, ctrl);
serdev_device_set_client_ops(serdev, &ssam_serdev_ops);
status = serdev_device_open(serdev);
- if (status)
+ if (status) {
+ dev_err_probe(dev, status, "failed to open serdev device\n");
goto err_devopen;
+ }
astatus = ssam_serdev_setup_via_acpi(ssh->handle, serdev);
if (ACPI_FAILURE(astatus)) {
- status = -ENXIO;
+ status = dev_err_probe(dev, -ENXIO, "failed to setup serdev\n");
goto err_devinit;
}
* states.
*/
status = ssam_log_firmware_version(ctrl);
- if (status)
+ if (status) {
+ dev_err_probe(dev, status, "failed to get firmware version\n");
goto err_initrq;
+ }
status = ssam_ctrl_notif_d0_entry(ctrl);
- if (status)
+ if (status) {
+ dev_err_probe(dev, status, "D0-entry notification failed\n");
goto err_initrq;
+ }
status = ssam_ctrl_notif_display_on(ctrl);
- if (status)
+ if (status) {
+ dev_err_probe(dev, status, "display-on notification failed\n");
goto err_initrq;
+ }
- status = sysfs_create_group(&serdev->dev.kobj, &ssam_sam_group);
+ status = sysfs_create_group(&dev->kobj, &ssam_sam_group);
if (status)
goto err_initrq;
/* Set up IRQ. */
status = ssam_irq_setup(ctrl);
- if (status)
+ if (status) {
+ dev_err_probe(dev, status, "failed to setup IRQ\n");
goto err_irq;
+ }
/* Finally, set main controller reference. */
status = ssam_try_set_controller(ctrl);
* resumed. In short, this causes some spurious unwanted wake-ups.
* For now let's thus default power/wakeup to false.
*/
- device_set_wakeup_capable(&serdev->dev, true);
+ device_set_wakeup_capable(dev, true);
acpi_dev_clear_dependencies(ssh);
return 0;
err_mainref:
ssam_irq_free(ctrl);
err_irq:
- sysfs_remove_group(&serdev->dev.kobj, &ssam_sam_group);
+ sysfs_remove_group(&dev->kobj, &ssam_sam_group);
err_initrq:
ssam_controller_lock(ctrl);
ssam_controller_shutdown(ctrl);
.parent = &ssam_node_hub_base,
};
-/* Platform profile / performance-mode device. */
-static const struct software_node ssam_node_tmp_pprof = {
+/* Platform profile / performance-mode device without a fan. */
+static const struct software_node ssam_node_tmp_perf_profile = {
.name = "ssam:01:03:01:00:01",
.parent = &ssam_node_root,
};
+/* Platform profile / performance-mode device with a fan, such that
+ * the fan controller profile can also be switched.
+ */
+static const struct property_entry ssam_node_tmp_perf_profile_has_fan[] = {
+ PROPERTY_ENTRY_BOOL("has_fan"),
+ { }
+};
+
+static const struct software_node ssam_node_tmp_perf_profile_with_fan = {
+ .name = "ssam:01:03:01:00:01",
+ .parent = &ssam_node_root,
+ .properties = ssam_node_tmp_perf_profile_has_fan,
+};
+
+/* Thermal sensors. */
+static const struct software_node ssam_node_tmp_sensors = {
+ .name = "ssam:01:03:01:00:02",
+ .parent = &ssam_node_root,
+};
+
/* Fan speed function. */
static const struct software_node ssam_node_fan_speed = {
.name = "ssam:01:05:01:01:01",
*/
static const struct software_node *ssam_node_group_gen5[] = {
&ssam_node_root,
- &ssam_node_tmp_pprof,
+ &ssam_node_tmp_perf_profile,
NULL,
};
&ssam_node_bat_ac,
&ssam_node_bat_main,
&ssam_node_bat_sb3base,
- &ssam_node_tmp_pprof,
+ &ssam_node_tmp_perf_profile,
&ssam_node_bas_dtx,
&ssam_node_hid_base_keyboard,
&ssam_node_hid_base_touchpad,
&ssam_node_root,
&ssam_node_bat_ac,
&ssam_node_bat_main,
- &ssam_node_tmp_pprof,
+ &ssam_node_tmp_perf_profile,
&ssam_node_hid_main_keyboard,
&ssam_node_hid_main_touchpad,
&ssam_node_hid_main_iid5,
&ssam_node_root,
&ssam_node_bat_ac,
&ssam_node_bat_main,
- &ssam_node_tmp_pprof,
+ &ssam_node_tmp_perf_profile,
&ssam_node_hid_main_keyboard,
&ssam_node_hid_main_touchpad,
&ssam_node_hid_main_iid5,
&ssam_node_root,
&ssam_node_bat_ac,
&ssam_node_bat_main,
- &ssam_node_tmp_pprof,
+ &ssam_node_tmp_perf_profile,
&ssam_node_pos_tablet_switch,
&ssam_node_hid_sam_keyboard,
&ssam_node_hid_sam_penstash,
&ssam_node_root,
&ssam_node_bat_ac,
&ssam_node_bat_main,
- &ssam_node_tmp_pprof,
+ &ssam_node_tmp_perf_profile,
NULL,
};
&ssam_node_root,
&ssam_node_bat_ac,
&ssam_node_bat_main,
- &ssam_node_tmp_pprof,
+ &ssam_node_tmp_perf_profile,
NULL,
};
&ssam_node_hub_kip,
&ssam_node_bat_ac,
&ssam_node_bat_main,
- &ssam_node_tmp_pprof,
+ &ssam_node_tmp_perf_profile,
&ssam_node_kip_tablet_switch,
&ssam_node_hid_kip_keyboard,
&ssam_node_hid_kip_penstash,
&ssam_node_hub_kip,
&ssam_node_bat_ac,
&ssam_node_bat_main,
- &ssam_node_tmp_pprof,
+ &ssam_node_tmp_perf_profile_with_fan,
+ &ssam_node_tmp_sensors,
&ssam_node_fan_speed,
&ssam_node_pos_tablet_switch,
&ssam_node_hid_kip_keyboard,
// SPDX-License-Identifier: GPL-2.0+
/*
* Surface Platform Profile / Performance Mode driver for Surface System
- * Aggregator Module (thermal subsystem).
+ * Aggregator Module (thermal and fan subsystem).
*
* Copyright (C) 2021-2022 Maximilian Luz <luzmaximilian@gmail.com>
*/
#include <linux/surface_aggregator/device.h>
+// Enum for the platform performance profile sent to the TMP module.
enum ssam_tmp_profile {
SSAM_TMP_PROFILE_NORMAL = 1,
SSAM_TMP_PROFILE_BATTERY_SAVER = 2,
SSAM_TMP_PROFILE_BEST_PERFORMANCE = 4,
};
+// Enum for the fan profile sent to the FAN module. This fan profile is
+// only sent to the EC if the 'has_fan' property is set. The integers are
+// not a typo, they differ from the performance profile indices.
+enum ssam_fan_profile {
+ SSAM_FAN_PROFILE_NORMAL = 2,
+ SSAM_FAN_PROFILE_BATTERY_SAVER = 1,
+ SSAM_FAN_PROFILE_BETTER_PERFORMANCE = 3,
+ SSAM_FAN_PROFILE_BEST_PERFORMANCE = 4,
+};
+
struct ssam_tmp_profile_info {
__le32 profile;
__le16 unknown1;
__le16 unknown2;
} __packed;
-struct ssam_tmp_profile_device {
+struct ssam_platform_profile_device {
struct ssam_device *sdev;
struct platform_profile_handler handler;
+ bool has_fan;
};
SSAM_DEFINE_SYNC_REQUEST_CL_R(__ssam_tmp_profile_get, struct ssam_tmp_profile_info, {
.command_id = 0x03,
});
+SSAM_DEFINE_SYNC_REQUEST_W(__ssam_fan_profile_set, u8, {
+ .target_category = SSAM_SSH_TC_FAN,
+ .target_id = SSAM_SSH_TID_SAM,
+ .command_id = 0x0e,
+ .instance_id = 0x01,
+});
+
static int ssam_tmp_profile_get(struct ssam_device *sdev, enum ssam_tmp_profile *p)
{
struct ssam_tmp_profile_info info;
static int ssam_tmp_profile_set(struct ssam_device *sdev, enum ssam_tmp_profile p)
{
- __le32 profile_le = cpu_to_le32(p);
+ const __le32 profile_le = cpu_to_le32(p);
return ssam_retry(__ssam_tmp_profile_set, sdev, &profile_le);
}
-static int convert_ssam_to_profile(struct ssam_device *sdev, enum ssam_tmp_profile p)
+static int ssam_fan_profile_set(struct ssam_device *sdev, enum ssam_fan_profile p)
+{
+ const u8 profile = p;
+
+ return ssam_retry(__ssam_fan_profile_set, sdev->ctrl, &profile);
+}
+
+static int convert_ssam_tmp_to_profile(struct ssam_device *sdev, enum ssam_tmp_profile p)
{
switch (p) {
case SSAM_TMP_PROFILE_NORMAL:
}
}
-static int convert_profile_to_ssam(struct ssam_device *sdev, enum platform_profile_option p)
+
+static int convert_profile_to_ssam_tmp(struct ssam_device *sdev, enum platform_profile_option p)
{
switch (p) {
case PLATFORM_PROFILE_LOW_POWER:
}
}
+static int convert_profile_to_ssam_fan(struct ssam_device *sdev, enum platform_profile_option p)
+{
+ switch (p) {
+ case PLATFORM_PROFILE_LOW_POWER:
+ return SSAM_FAN_PROFILE_BATTERY_SAVER;
+
+ case PLATFORM_PROFILE_BALANCED:
+ return SSAM_FAN_PROFILE_NORMAL;
+
+ case PLATFORM_PROFILE_BALANCED_PERFORMANCE:
+ return SSAM_FAN_PROFILE_BETTER_PERFORMANCE;
+
+ case PLATFORM_PROFILE_PERFORMANCE:
+ return SSAM_FAN_PROFILE_BEST_PERFORMANCE;
+
+ default:
+ /* This should have already been caught by platform_profile_store(). */
+ WARN(true, "unsupported platform profile");
+ return -EOPNOTSUPP;
+ }
+}
+
static int ssam_platform_profile_get(struct platform_profile_handler *pprof,
enum platform_profile_option *profile)
{
- struct ssam_tmp_profile_device *tpd;
+ struct ssam_platform_profile_device *tpd;
enum ssam_tmp_profile tp;
int status;
- tpd = container_of(pprof, struct ssam_tmp_profile_device, handler);
+ tpd = container_of(pprof, struct ssam_platform_profile_device, handler);
status = ssam_tmp_profile_get(tpd->sdev, &tp);
if (status)
return status;
- status = convert_ssam_to_profile(tpd->sdev, tp);
+ status = convert_ssam_tmp_to_profile(tpd->sdev, tp);
if (status < 0)
return status;
static int ssam_platform_profile_set(struct platform_profile_handler *pprof,
enum platform_profile_option profile)
{
- struct ssam_tmp_profile_device *tpd;
+ struct ssam_platform_profile_device *tpd;
int tp;
- tpd = container_of(pprof, struct ssam_tmp_profile_device, handler);
+ tpd = container_of(pprof, struct ssam_platform_profile_device, handler);
+
+ tp = convert_profile_to_ssam_tmp(tpd->sdev, profile);
+ if (tp < 0)
+ return tp;
- tp = convert_profile_to_ssam(tpd->sdev, profile);
+ tp = ssam_tmp_profile_set(tpd->sdev, tp);
if (tp < 0)
return tp;
- return ssam_tmp_profile_set(tpd->sdev, tp);
+ if (tpd->has_fan) {
+ tp = convert_profile_to_ssam_fan(tpd->sdev, profile);
+ if (tp < 0)
+ return tp;
+ tp = ssam_fan_profile_set(tpd->sdev, tp);
+ }
+
+ return tp;
}
static int surface_platform_profile_probe(struct ssam_device *sdev)
{
- struct ssam_tmp_profile_device *tpd;
+ struct ssam_platform_profile_device *tpd;
tpd = devm_kzalloc(&sdev->dev, sizeof(*tpd), GFP_KERNEL);
if (!tpd)
tpd->handler.profile_get = ssam_platform_profile_get;
tpd->handler.profile_set = ssam_platform_profile_set;
+ tpd->has_fan = device_property_read_bool(&sdev->dev, "has_fan");
+
set_bit(PLATFORM_PROFILE_LOW_POWER, tpd->handler.choices);
set_bit(PLATFORM_PROFILE_BALANCED, tpd->handler.choices);
set_bit(PLATFORM_PROFILE_BALANCED_PERFORMANCE, tpd->handler.choices);
To compile this driver as a module, choose M here: the module will
be called lenovo-yogabook.
+config YT2_1380
+ tristate "Lenovo Yoga Tablet 2 1380 fast charge driver"
+ depends on SERIAL_DEV_BUS
+ depends on ACPI
+ help
+ Say Y here to enable support for the custom fast charging protocol
+ found on the Lenovo Yoga Tablet 2 1380F / 1380L models.
+
+ To compile this driver as a module, choose M here: the module will
+ be called lenovo-yogabook.
+
config ACERHDF
tristate "Acer Aspire One temperature and fan driver"
depends on ACPI && THERMAL
source "drivers/platform/x86/intel/Kconfig"
+config ACPI_QUICKSTART
+ tristate "ACPI Quickstart button driver"
+ depends on ACPI
+ depends on INPUT
+ select INPUT_SPARSEKMAP
+ help
+ This driver adds support for ACPI quickstart button (PNP0C32) devices.
+ The button emits a manufacturer-specific key value when pressed, so
+ userspace has to map this value to a standard key code.
+
+ To compile this driver as a module, choose M here: the module will be
+ called quickstart.
+
+config MEEGOPAD_ANX7428
+ tristate "MeeGoPad ANX7428 Type-C Switch"
+ depends on ACPI && GPIOLIB && I2C
+ help
+ Some MeeGoPad top-set boxes have an ANX7428 Type-C Switch for
+ USB3.1 Gen 1 and DisplayPort over Type-C alternate mode support.
+
+ This driver takes care of powering on the ANX7428 on supported
+ MeeGoPad top-set boxes. After this the ANX7428 takes care of Type-C
+ connector orientation and PD alternate mode switching autonomously.
+
config MSI_EC
tristate "MSI EC Extras"
depends on ACPI
To compile this driver as a module, choose M here: the module will
be called msi-wmi.
+config MSI_WMI_PLATFORM
+ tristate "MSI WMI Platform features"
+ depends on ACPI_WMI
+ depends on HWMON
+ help
+ Say Y here if you want to have support for WMI-based platform features
+ like fan sensor access on MSI machines.
+
+ To compile this driver as a module, choose M here: the module will
+ be called msi-wmi-platform.
+
config XO15_EBOOK
tristate "OLPC XO-1.5 ebook switch"
depends on OLPC || COMPILE_TEST
To compile this driver as a module, choose M here: the module
will be called inspur-platform-profile.
+config LENOVO_WMI_CAMERA
+ tristate "Lenovo WMI Camera Button driver"
+ depends on ACPI_WMI
+ depends on INPUT
+ help
+ This driver provides support for Lenovo camera button. The Camera
+ button is a GPIO device. This driver receives ACPI notifications when
+ the camera button is switched on/off.
+
+ To compile this driver as a module, choose M here: the module
+ will be called lenovo-wmi-camera.
+
source "drivers/platform/x86/x86-android-tablets/Kconfig"
config FW_ATTR_CLASS
obj-$(CONFIG_THINKPAD_ACPI) += thinkpad_acpi.o
obj-$(CONFIG_THINKPAD_LMI) += think-lmi.o
obj-$(CONFIG_YOGABOOK) += lenovo-yogabook.o
+obj-$(CONFIG_YT2_1380) += lenovo-yoga-tab2-pro-1380-fastcharger.o
+obj-$(CONFIG_LENOVO_WMI_CAMERA) += lenovo-wmi-camera.o
# Intel
obj-y += intel/
+# Microsoft
+obj-$(CONFIG_ACPI_QUICKSTART) += quickstart.o
+
+# MeeGoPad
+obj-$(CONFIG_MEEGOPAD_ANX7428) += meegopad_anx7428.o
+
# MSI
obj-$(CONFIG_MSI_EC) += msi-ec.o
obj-$(CONFIG_MSI_LAPTOP) += msi-laptop.o
obj-$(CONFIG_MSI_WMI) += msi-wmi.o
+obj-$(CONFIG_MSI_WMI_PLATFORM) += msi-wmi-platform.o
# OLPC
obj-$(CONFIG_XO15_EBOOK) += xo15-ebook.o
hsmp_create_attr_list(attr_grp, dev, i);
}
- return devm_device_add_groups(dev, hsmp_attr_grps);
+ return device_add_groups(dev, hsmp_attr_grps);
}
static int hsmp_create_acpi_sysfs_if(struct device *dev)
If you choose to compile this driver as a module the module will be
called amd-pmc.
+
+config AMD_MP2_STB
+ bool "AMD SoC MP2 STB function"
+ depends on AMD_PMC
+ default AMD_PMC
+ help
+ AMD MP2 STB function provides a data buffer used to log debug
+ information about the system execution during S2Idle suspend/resume.
+ A data buffer known as the STB (Smart Trace Buffer) is a circular
+ buffer which is a low-level log for the SoC which is used to debug
+ any hangs/stalls during S2Idle suspend/resume.
+
+ Creates debugfs to get STB, a userspace daemon can access STB log of
+ last S2Idle suspend/resume which can help to debug if hangs/stalls
+ during S2Idle suspend/resume.
amd-pmc-objs := pmc.o pmc-quirks.o
obj-$(CONFIG_AMD_PMC) += amd-pmc.o
+amd-pmc-$(CONFIG_AMD_MP2_STB) += mp2_stb.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * AMD MP2 STB layer
+ *
+ * Copyright (c) 2024, Advanced Micro Devices, Inc.
+ * All Rights Reserved.
+ *
+ * Author: Basavaraj Natikar <Basavaraj.Natikar@amd.com>
+ */
+
+#include <linux/debugfs.h>
+#include <linux/device.h>
+#include <linux/io.h>
+#include <linux/io-64-nonatomic-lo-hi.h>
+#include <linux/iopoll.h>
+#include <linux/pci.h>
+#include <linux/sizes.h>
+#include <linux/time.h>
+
+#include "pmc.h"
+
+#define VALID_MSG 0xA
+#define VALID_RESPONSE 2
+
+#define AMD_C2P_MSG0 0x10500
+#define AMD_C2P_MSG1 0x10504
+#define AMD_P2C_MSG0 0x10680
+#define AMD_P2C_MSG1 0x10684
+
+#define MP2_RESP_SLEEP_US 500
+#define MP2_RESP_TIMEOUT_US (1600 * USEC_PER_MSEC)
+
+#define MP2_STB_DATA_LEN_2KB 1
+#define MP2_STB_DATA_LEN_16KB 4
+
+#define MP2_MMIO_BAR 2
+
+struct mp2_cmd_base {
+ union {
+ u32 ul;
+ struct {
+ u32 cmd_id : 4;
+ u32 intr_disable : 1;
+ u32 is_dma_used : 1;
+ u32 rsvd : 26;
+ } field;
+ };
+};
+
+struct mp2_cmd_response {
+ union {
+ u32 resp;
+ struct {
+ u32 cmd_id : 4;
+ u32 status : 4;
+ u32 response : 4;
+ u32 rsvd2 : 20;
+ } field;
+ };
+};
+
+struct mp2_stb_data_valid {
+ union {
+ u32 data_valid;
+ struct {
+ u32 valid : 16;
+ u32 length : 16;
+ } val;
+ };
+};
+
+static int amd_mp2_wait_response(struct amd_mp2_dev *mp2, u8 cmd_id, u32 command_sts)
+{
+ struct mp2_cmd_response cmd_resp;
+
+ if (!readl_poll_timeout(mp2->mmio + AMD_P2C_MSG0, cmd_resp.resp,
+ (cmd_resp.field.response == 0x0 &&
+ cmd_resp.field.status == command_sts &&
+ cmd_resp.field.cmd_id == cmd_id), MP2_RESP_SLEEP_US,
+ MP2_RESP_TIMEOUT_US))
+ return cmd_resp.field.status;
+
+ return -ETIMEDOUT;
+}
+
+static void amd_mp2_stb_send_cmd(struct amd_mp2_dev *mp2, u8 cmd_id, bool is_dma_used)
+{
+ struct mp2_cmd_base cmd_base;
+
+ cmd_base.ul = 0;
+ cmd_base.field.cmd_id = cmd_id;
+ cmd_base.field.intr_disable = 1;
+ cmd_base.field.is_dma_used = is_dma_used;
+
+ writeq(mp2->dma_addr, mp2->mmio + AMD_C2P_MSG1);
+ writel(cmd_base.ul, mp2->mmio + AMD_C2P_MSG0);
+}
+
+static int amd_mp2_stb_region(struct amd_mp2_dev *mp2)
+{
+ struct device *dev = &mp2->pdev->dev;
+ unsigned int len = mp2->stb_len;
+
+ if (!mp2->stbdata) {
+ mp2->vslbase = dmam_alloc_coherent(dev, len, &mp2->dma_addr, GFP_KERNEL);
+ if (!mp2->vslbase)
+ return -ENOMEM;
+
+ mp2->stbdata = devm_kzalloc(dev, len, GFP_KERNEL);
+ if (!mp2->stbdata)
+ return -ENOMEM;
+ }
+
+ return 0;
+}
+
+static int amd_mp2_process_cmd(struct amd_mp2_dev *mp2, struct file *filp)
+{
+ struct device *dev = &mp2->pdev->dev;
+ struct mp2_stb_data_valid stb_dv;
+ int status;
+
+ stb_dv.data_valid = readl(mp2->mmio + AMD_P2C_MSG1);
+
+ if (stb_dv.val.valid != VALID_MSG) {
+ dev_dbg(dev, "Invalid STB data\n");
+ return -EBADMSG;
+ }
+
+ if (stb_dv.val.length != MP2_STB_DATA_LEN_2KB &&
+ stb_dv.val.length != MP2_STB_DATA_LEN_16KB) {
+ dev_dbg(dev, "Unsupported length\n");
+ return -EMSGSIZE;
+ }
+
+ mp2->stb_len = BIT(stb_dv.val.length) * SZ_1K;
+
+ status = amd_mp2_stb_region(mp2);
+ if (status) {
+ dev_err(dev, "Failed to init STB region, status %d\n", status);
+ return status;
+ }
+
+ amd_mp2_stb_send_cmd(mp2, VALID_MSG, true);
+ status = amd_mp2_wait_response(mp2, VALID_MSG, VALID_RESPONSE);
+ if (status == VALID_RESPONSE) {
+ memcpy_fromio(mp2->stbdata, mp2->vslbase, mp2->stb_len);
+ filp->private_data = mp2->stbdata;
+ mp2->is_stb_data = true;
+ } else {
+ dev_err(dev, "Failed to start STB dump, status %d\n", status);
+ return -EOPNOTSUPP;
+ }
+
+ return 0;
+}
+
+static int amd_mp2_stb_debugfs_open(struct inode *inode, struct file *filp)
+{
+ struct amd_pmc_dev *dev = filp->f_inode->i_private;
+ struct amd_mp2_dev *mp2 = dev->mp2;
+
+ if (mp2) {
+ if (!mp2->is_stb_data)
+ return amd_mp2_process_cmd(mp2, filp);
+
+ filp->private_data = mp2->stbdata;
+
+ return 0;
+ }
+
+ return -ENODEV;
+}
+
+static ssize_t amd_mp2_stb_debugfs_read(struct file *filp, char __user *buf, size_t size,
+ loff_t *pos)
+{
+ struct amd_pmc_dev *dev = filp->f_inode->i_private;
+ struct amd_mp2_dev *mp2 = dev->mp2;
+
+ if (!mp2)
+ return -ENODEV;
+
+ if (!filp->private_data)
+ return -EINVAL;
+
+ return simple_read_from_buffer(buf, size, pos, filp->private_data, mp2->stb_len);
+}
+
+static const struct file_operations amd_mp2_stb_debugfs_fops = {
+ .owner = THIS_MODULE,
+ .open = amd_mp2_stb_debugfs_open,
+ .read = amd_mp2_stb_debugfs_read,
+};
+
+static void amd_mp2_dbgfs_register(struct amd_pmc_dev *dev)
+{
+ if (!dev->dbgfs_dir)
+ return;
+
+ debugfs_create_file("stb_read_previous_boot", 0644, dev->dbgfs_dir, dev,
+ &amd_mp2_stb_debugfs_fops);
+}
+
+void amd_mp2_stb_deinit(struct amd_pmc_dev *dev)
+{
+ struct amd_mp2_dev *mp2 = dev->mp2;
+ struct pci_dev *pdev;
+
+ if (mp2 && mp2->pdev) {
+ pdev = mp2->pdev;
+
+ if (mp2->mmio)
+ pci_clear_master(pdev);
+
+ pci_dev_put(pdev);
+
+ if (mp2->devres_gid)
+ devres_release_group(&pdev->dev, mp2->devres_gid);
+
+ dev->mp2 = NULL;
+ }
+}
+
+void amd_mp2_stb_init(struct amd_pmc_dev *dev)
+{
+ struct amd_mp2_dev *mp2 = NULL;
+ struct pci_dev *pdev;
+ int rc;
+
+ mp2 = devm_kzalloc(dev->dev, sizeof(*mp2), GFP_KERNEL);
+ if (!mp2)
+ return;
+
+ pdev = pci_get_device(PCI_VENDOR_ID_AMD, PCI_DEVICE_ID_AMD_MP2_STB, NULL);
+ if (!pdev)
+ return;
+
+ dev->mp2 = mp2;
+ mp2->pdev = pdev;
+
+ mp2->devres_gid = devres_open_group(&pdev->dev, NULL, GFP_KERNEL);
+ if (!mp2->devres_gid) {
+ dev_err(&pdev->dev, "devres_open_group failed\n");
+ goto mp2_error;
+ }
+
+ rc = pcim_enable_device(pdev);
+ if (rc) {
+ dev_err(&pdev->dev, "pcim_enable_device failed\n");
+ goto mp2_error;
+ }
+
+ rc = pcim_iomap_regions(pdev, BIT(MP2_MMIO_BAR), "mp2 stb");
+ if (rc) {
+ dev_err(&pdev->dev, "pcim_iomap_regions failed\n");
+ goto mp2_error;
+ }
+
+ mp2->mmio = pcim_iomap_table(pdev)[MP2_MMIO_BAR];
+ if (!mp2->mmio) {
+ dev_err(&pdev->dev, "pcim_iomap_table failed\n");
+ goto mp2_error;
+ }
+
+ pci_set_master(pdev);
+
+ rc = dma_set_mask_and_coherent(&pdev->dev, DMA_BIT_MASK(64));
+ if (rc) {
+ dev_err(&pdev->dev, "failed to set DMA mask\n");
+ goto mp2_error;
+ }
+
+ amd_mp2_dbgfs_register(dev);
+
+ return;
+
+mp2_error:
+ amd_mp2_stb_deinit(dev);
+}
}
amd_pmc_dbgfs_register(dev);
+ if (IS_ENABLED(CONFIG_AMD_MP2_STB))
+ amd_mp2_stb_init(dev);
pm_report_max_hw_sleep(U64_MAX);
return 0;
acpi_unregister_lps0_dev(&amd_pmc_s2idle_dev_ops);
amd_pmc_dbgfs_unregister(dev);
pci_dev_put(dev->rdev);
+ if (IS_ENABLED(CONFIG_AMD_MP2_STB))
+ amd_mp2_stb_deinit(dev);
mutex_destroy(&dev->lock);
}
{"AMDI0008", 0},
{"AMDI0009", 0},
{"AMDI000A", 0},
+ {"AMDI000B", 0},
{"AMD0004", 0},
{"AMD0005", 0},
{ }
#include <linux/types.h>
#include <linux/mutex.h>
+struct amd_mp2_dev {
+ void __iomem *mmio;
+ void __iomem *vslbase;
+ void *stbdata;
+ void *devres_gid;
+ struct pci_dev *pdev;
+ dma_addr_t dma_addr;
+ int stb_len;
+ bool is_stb_data;
+};
+
struct amd_pmc_dev {
void __iomem *regbase;
void __iomem *smu_virt_addr;
struct dentry *dbgfs_dir;
struct quirk_entry *quirks;
bool disable_8042_wakeup;
+ struct amd_mp2_dev *mp2;
};
void amd_pmc_process_restore_quirks(struct amd_pmc_dev *dev);
void amd_pmc_quirks_init(struct amd_pmc_dev *dev);
+void amd_mp2_stb_init(struct amd_pmc_dev *dev);
+void amd_mp2_stb_deinit(struct amd_pmc_dev *dev);
/* List of supported CPU ids */
#define AMD_CPU_ID_RV 0x15D0
#define AMD_CPU_ID_PS 0x14E8
#define AMD_CPU_ID_SP 0x14A4
#define PCI_DEVICE_ID_AMD_1AH_M20H_ROOT 0x1507
+#define PCI_DEVICE_ID_AMD_MP2_STB 0x172c
#endif /* PMC_H */
{"AMDI0100", 0x100},
{"AMDI0102", 0},
{"AMDI0103", 0},
+ {"AMDI0105", 0},
{ }
};
MODULE_DEVICE_TABLE(acpi, amd_pmf_acpi_ids);
* so we don't set eof to 1
*/
- len += sprintf(page, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n");
- len += sprintf(page + len, "Model reference : %s\n", asus->name);
+ len += sysfs_emit_at(page, len, ASUS_LAPTOP_NAME " " ASUS_LAPTOP_VERSION "\n");
+ len += sysfs_emit_at(page, len, "Model reference : %s\n", asus->name);
/*
* The SFUN method probably allows the original driver to get the list
* of features supported by a given model. For now, 0x0100 or 0x0800
*/
rv = acpi_evaluate_integer(asus->handle, "SFUN", NULL, &temp);
if (ACPI_SUCCESS(rv))
- len += sprintf(page + len, "SFUN value : %#x\n",
+ len += sysfs_emit_at(page, len, "SFUN value : %#x\n",
(uint) temp);
/*
* The HWRS method return informations about the hardware.
*/
rv = acpi_evaluate_integer(asus->handle, "HWRS", NULL, &temp);
if (ACPI_SUCCESS(rv))
- len += sprintf(page + len, "HWRS value : %#x\n",
+ len += sysfs_emit_at(page, len, "HWRS value : %#x\n",
(uint) temp);
/*
* Another value for userspace: the ASYM method returns 0x02 for
*/
rv = acpi_evaluate_integer(asus->handle, "ASYM", NULL, &temp);
if (ACPI_SUCCESS(rv))
- len += sprintf(page + len, "ASYM value : %#x\n",
+ len += sysfs_emit_at(page, len, "ASYM value : %#x\n",
(uint) temp);
if (asus->dsdt_info) {
snprintf(buf, 16, "%d", asus->dsdt_info->length);
- len += sprintf(page + len, "DSDT length : %s\n", buf);
+ len += sysfs_emit_at(page, len, "DSDT length : %s\n", buf);
snprintf(buf, 16, "%d", asus->dsdt_info->checksum);
- len += sprintf(page + len, "DSDT checksum : %s\n", buf);
+ len += sysfs_emit_at(page, len, "DSDT checksum : %s\n", buf);
snprintf(buf, 16, "%d", asus->dsdt_info->revision);
- len += sprintf(page + len, "DSDT revision : %s\n", buf);
+ len += sysfs_emit_at(page, len, "DSDT revision : %s\n", buf);
snprintf(buf, 7, "%s", asus->dsdt_info->oem_id);
- len += sprintf(page + len, "OEM id : %s\n", buf);
+ len += sysfs_emit_at(page, len, "OEM id : %s\n", buf);
snprintf(buf, 9, "%s", asus->dsdt_info->oem_table_id);
- len += sprintf(page + len, "OEM table id : %s\n", buf);
+ len += sysfs_emit_at(page, len, "OEM table id : %s\n", buf);
snprintf(buf, 16, "%x", asus->dsdt_info->oem_revision);
- len += sprintf(page + len, "OEM revision : 0x%s\n", buf);
+ len += sysfs_emit_at(page, len, "OEM revision : 0x%s\n", buf);
snprintf(buf, 5, "%s", asus->dsdt_info->asl_compiler_id);
- len += sprintf(page + len, "ASL comp vendor id : %s\n", buf);
+ len += sysfs_emit_at(page, len, "ASL comp vendor id : %s\n", buf);
snprintf(buf, 16, "%x", asus->dsdt_info->asl_compiler_revision);
- len += sprintf(page + len, "ASL comp revision : 0x%s\n", buf);
+ len += sysfs_emit_at(page, len, "ASL comp revision : 0x%s\n", buf);
}
return len;
{
struct asus_laptop *asus = dev_get_drvdata(dev);
- return sprintf(buf, "0x%08x\n", asus->ledd_status);
+ return sysfs_emit(buf, "0x%08x\n", asus->ledd_status);
}
static ssize_t ledd_store(struct device *dev, struct device_attribute *attr,
{
struct asus_laptop *asus = dev_get_drvdata(dev);
- return sprintf(buf, "%d\n", asus_wireless_status(asus, WL_RSTS));
+ return sysfs_emit(buf, "%d\n", asus_wireless_status(asus, WL_RSTS));
}
static ssize_t wlan_store(struct device *dev, struct device_attribute *attr,
{
struct asus_laptop *asus = dev_get_drvdata(dev);
- return sprintf(buf, "%d\n", asus_wireless_status(asus, BT_RSTS));
+ return sysfs_emit(buf, "%d\n", asus_wireless_status(asus, BT_RSTS));
}
static ssize_t bluetooth_store(struct device *dev,
{
struct asus_laptop *asus = dev_get_drvdata(dev);
- return sprintf(buf, "%d\n", asus_wireless_status(asus, WM_RSTS));
+ return sysfs_emit(buf, "%d\n", asus_wireless_status(asus, WM_RSTS));
}
static ssize_t wimax_store(struct device *dev, struct device_attribute *attr,
{
struct asus_laptop *asus = dev_get_drvdata(dev);
- return sprintf(buf, "%d\n", asus_wireless_status(asus, WW_RSTS));
+ return sysfs_emit(buf, "%d\n", asus_wireless_status(asus, WW_RSTS));
}
static ssize_t wwan_store(struct device *dev, struct device_attribute *attr,
{
struct asus_laptop *asus = dev_get_drvdata(dev);
- return sprintf(buf, "%d\n", asus->light_switch);
+ return sysfs_emit(buf, "%d\n", asus->light_switch);
}
static ssize_t ls_switch_store(struct device *dev,
{
struct asus_laptop *asus = dev_get_drvdata(dev);
- return sprintf(buf, "%d\n", asus->light_level);
+ return sysfs_emit(buf, "%d\n", asus->light_level);
}
static ssize_t ls_level_store(struct device *dev, struct device_attribute *attr,
if (!err)
err = pega_int_read(asus, PEGA_READ_ALS_L, &lo);
if (!err)
- return sprintf(buf, "%d\n", 10 * hi + lo);
+ return sysfs_emit(buf, "%d\n", 10 * hi + lo);
return err;
}
static DEVICE_ATTR_RO(ls_value);
{
struct asus_laptop *asus = dev_get_drvdata(dev);
- return sprintf(buf, "%d\n", asus_gps_status(asus));
+ return sysfs_emit(buf, "%d\n", asus_gps_status(asus));
}
static ssize_t gps_store(struct device *dev, struct device_attribute *attr,
#define ASUS_SCREENPAD_BRIGHT_MAX 255
#define ASUS_SCREENPAD_BRIGHT_DEFAULT 60
+#define ASUS_MINI_LED_MODE_MASK 0x03
+/* Standard modes for devices with only on/off */
+#define ASUS_MINI_LED_OFF 0x00
+#define ASUS_MINI_LED_ON 0x01
+/* New mode on some devices, define here to clarify remapping later */
+#define ASUS_MINI_LED_STRONG_MODE 0x02
+/* New modes for devices with 3 mini-led mode types */
+#define ASUS_MINI_LED_2024_WEAK 0x00
+#define ASUS_MINI_LED_2024_STRONG 0x01
+#define ASUS_MINI_LED_2024_OFF 0x02
+
/* Controls the power state of the USB0 hub on ROG Ally which input is on */
#define ASUS_USB0_PWR_EC0_CSEE "\\_SB.PCI0.SBRG.EC0.CSEE"
/* 300ms so far seems to produce a reliable result on AC and battery */
-#define ASUS_USB0_PWR_EC0_CSEE_WAIT 300
+#define ASUS_USB0_PWR_EC0_CSEE_WAIT 1500
static const char * const ashs_ids[] = { "ATK4001", "ATK4002", NULL };
u32 tablet_switch_dev_id;
bool tablet_switch_inverted;
+ /* The ROG Ally device requires the MCU USB device be disconnected before suspend */
+ bool ally_mcu_usb_switch;
+
enum fan_type fan_type;
enum fan_type gpu_fan_type;
enum fan_type mid_fan_type;
u8 fan_boost_mode_mask;
u8 fan_boost_mode;
- bool charge_mode_available;
bool egpu_enable_available;
- bool egpu_connect_available;
bool dgpu_disable_available;
- bool gpu_mux_mode_available;
+ u32 gpu_mux_dev;
/* Tunables provided by ASUS for gaming laptops */
- bool ppt_pl2_sppt_available;
- bool ppt_pl1_spl_available;
- bool ppt_apu_sppt_available;
- bool ppt_plat_sppt_available;
- bool ppt_fppt_available;
- bool nv_dyn_boost_available;
- bool nv_temp_tgt_available;
-
- bool kbd_rgb_mode_available;
+ u32 ppt_pl2_sppt;
+ u32 ppt_pl1_spl;
+ u32 ppt_apu_sppt;
+ u32 ppt_platform_sppt;
+ u32 ppt_fppt;
+ u32 nv_dynamic_boost;
+ u32 nv_temp_target;
+
+ u32 kbd_rgb_dev;
bool kbd_rgb_state_available;
bool throttle_thermal_policy_available;
bool battery_rsoc_available;
bool panel_overdrive_available;
- bool mini_led_mode_available;
+ u32 mini_led_dev_id;
struct hotplug_slot hotplug_slot;
struct mutex hotplug_lock;
bool fnlock_locked;
- /* The ROG Ally device requires the MCU USB device be disconnected before suspend */
- bool ally_mcu_usb_switch;
-
struct asus_wmi_debug debug;
struct asus_wmi_driver *driver;
if (disable > 1)
return -EINVAL;
- if (asus->gpu_mux_mode_available) {
- result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPU_MUX);
+ if (asus->gpu_mux_dev) {
+ result = asus_wmi_get_devstate_simple(asus, asus->gpu_mux_dev);
if (result < 0)
/* An error here may signal greater failure of GPU handling */
return result;
return err;
}
- if (asus->gpu_mux_mode_available) {
- result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPU_MUX);
+ if (asus->gpu_mux_dev) {
+ result = asus_wmi_get_devstate_simple(asus, asus->gpu_mux_dev);
if (result < 0) {
/* An error here may signal greater failure of GPU handling */
pr_warn("Failed to get gpu mux status: %d\n", result);
struct asus_wmi *asus = dev_get_drvdata(dev);
int result;
- result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_GPU_MUX);
+ result = asus_wmi_get_devstate_simple(asus, asus->gpu_mux_dev);
if (result < 0)
return result;
}
}
- err = asus_wmi_set_devstate(ASUS_WMI_DEVID_GPU_MUX, optimus, &result);
+ err = asus_wmi_set_devstate(asus->gpu_mux_dev, optimus, &result);
if (err) {
dev_err(dev, "Failed to set GPU MUX mode: %d\n", err);
return err;
struct device_attribute *attr,
const char *buf, size_t count)
{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
u32 cmd, mode, r, g, b, speed;
int err;
speed = 0xeb;
}
- err = asus_wmi_evaluate_method3(ASUS_WMI_METHODID_DEVS, ASUS_WMI_DEVID_TUF_RGB_MODE,
+ err = asus_wmi_evaluate_method3(ASUS_WMI_METHODID_DEVS, asus->kbd_rgb_dev,
cmd | (mode << 8) | (r << 16) | (g << 24), b | (speed << 8), NULL);
if (err)
return err;
struct device_attribute *attr,
const char *buf, size_t count)
{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
int result, err;
u32 value;
- struct asus_wmi *asus = dev_get_drvdata(dev);
-
result = kstrtou32(buf, 10, &value);
if (result)
return result;
return -EIO;
}
+ asus->ppt_pl2_sppt = value;
sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_pl2_sppt");
return count;
}
-static DEVICE_ATTR_WO(ppt_pl2_sppt);
+
+static ssize_t ppt_pl2_sppt_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%u\n", asus->ppt_pl2_sppt);
+}
+static DEVICE_ATTR_RW(ppt_pl2_sppt);
/* Tunable: PPT, Intel=PL1, AMD=SPL ******************************************/
static ssize_t ppt_pl1_spl_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
int result, err;
u32 value;
- struct asus_wmi *asus = dev_get_drvdata(dev);
-
result = kstrtou32(buf, 10, &value);
if (result)
return result;
return -EIO;
}
+ asus->ppt_pl1_spl = value;
sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_pl1_spl");
return count;
}
-static DEVICE_ATTR_WO(ppt_pl1_spl);
+static ssize_t ppt_pl1_spl_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%u\n", asus->ppt_pl1_spl);
+}
+static DEVICE_ATTR_RW(ppt_pl1_spl);
/* Tunable: PPT APU FPPT ******************************************************/
static ssize_t ppt_fppt_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
int result, err;
u32 value;
- struct asus_wmi *asus = dev_get_drvdata(dev);
-
result = kstrtou32(buf, 10, &value);
if (result)
return result;
return -EIO;
}
+ asus->ppt_fppt = value;
sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_fpu_sppt");
return count;
}
-static DEVICE_ATTR_WO(ppt_fppt);
+
+static ssize_t ppt_fppt_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%u\n", asus->ppt_fppt);
+}
+static DEVICE_ATTR_RW(ppt_fppt);
/* Tunable: PPT APU SPPT *****************************************************/
static ssize_t ppt_apu_sppt_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
int result, err;
u32 value;
- struct asus_wmi *asus = dev_get_drvdata(dev);
-
result = kstrtou32(buf, 10, &value);
if (result)
return result;
return -EIO;
}
+ asus->ppt_apu_sppt = value;
sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_apu_sppt");
return count;
}
-static DEVICE_ATTR_WO(ppt_apu_sppt);
+
+static ssize_t ppt_apu_sppt_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%u\n", asus->ppt_apu_sppt);
+}
+static DEVICE_ATTR_RW(ppt_apu_sppt);
/* Tunable: PPT platform SPPT ************************************************/
static ssize_t ppt_platform_sppt_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
int result, err;
u32 value;
- struct asus_wmi *asus = dev_get_drvdata(dev);
-
result = kstrtou32(buf, 10, &value);
if (result)
return result;
return -EIO;
}
+ asus->ppt_platform_sppt = value;
sysfs_notify(&asus->platform_device->dev.kobj, NULL, "ppt_platform_sppt");
return count;
}
-static DEVICE_ATTR_WO(ppt_platform_sppt);
+
+static ssize_t ppt_platform_sppt_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%u\n", asus->ppt_platform_sppt);
+}
+static DEVICE_ATTR_RW(ppt_platform_sppt);
/* Tunable: NVIDIA dynamic boost *********************************************/
static ssize_t nv_dynamic_boost_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
int result, err;
u32 value;
- struct asus_wmi *asus = dev_get_drvdata(dev);
-
result = kstrtou32(buf, 10, &value);
if (result)
return result;
return -EIO;
}
+ asus->nv_dynamic_boost = value;
sysfs_notify(&asus->platform_device->dev.kobj, NULL, "nv_dynamic_boost");
return count;
}
-static DEVICE_ATTR_WO(nv_dynamic_boost);
+
+static ssize_t nv_dynamic_boost_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%u\n", asus->nv_dynamic_boost);
+}
+static DEVICE_ATTR_RW(nv_dynamic_boost);
/* Tunable: NVIDIA temperature target ****************************************/
static ssize_t nv_temp_target_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
int result, err;
u32 value;
- struct asus_wmi *asus = dev_get_drvdata(dev);
-
result = kstrtou32(buf, 10, &value);
if (result)
return result;
return -EIO;
}
+ asus->nv_temp_target = value;
sysfs_notify(&asus->platform_device->dev.kobj, NULL, "nv_temp_target");
return count;
}
-static DEVICE_ATTR_WO(nv_temp_target);
+
+static ssize_t nv_temp_target_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%u\n", asus->nv_temp_target);
+}
+static DEVICE_ATTR_RW(nv_temp_target);
+
+/* Ally MCU Powersave ********************************************************/
+static ssize_t mcu_powersave_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_MCU_POWERSAVE);
+ if (result < 0)
+ return result;
+
+ return sysfs_emit(buf, "%d\n", result);
+}
+
+static ssize_t mcu_powersave_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ int result, err;
+ u32 enable;
+
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+
+ result = kstrtou32(buf, 10, &enable);
+ if (result)
+ return result;
+
+ if (enable > 1)
+ return -EINVAL;
+
+ err = asus_wmi_set_devstate(ASUS_WMI_DEVID_MCU_POWERSAVE, enable, &result);
+ if (err) {
+ pr_warn("Failed to set MCU powersave: %d\n", err);
+ return err;
+ }
+
+ if (result > 1) {
+ pr_warn("Failed to set MCU powersave (result): 0x%x\n", result);
+ return -EIO;
+ }
+
+ sysfs_notify(&asus->platform_device->dev.kobj, NULL, "mcu_powersave");
+
+ return count;
+}
+static DEVICE_ATTR_RW(mcu_powersave);
/* Battery ********************************************************************/
{
int rv = 0, num_rgb_groups = 0, led_val;
- if (asus->kbd_rgb_mode_available)
+ if (asus->kbd_rgb_dev)
kbd_rgb_mode_groups[num_rgb_groups++] = &kbd_rgb_mode_group;
if (asus->kbd_rgb_state_available)
kbd_rgb_mode_groups[num_rgb_groups++] = &kbd_rgb_state_group;
}
static DEVICE_ATTR_RW(panel_od);
-/* Mini-LED mode **************************************************************/
-static ssize_t mini_led_mode_show(struct device *dev,
- struct device_attribute *attr, char *buf)
+/* Bootup sound ***************************************************************/
+
+static ssize_t boot_sound_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_MINI_LED_MODE);
+ result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_BOOT_SOUND);
if (result < 0)
return result;
return sysfs_emit(buf, "%d\n", result);
}
+static ssize_t boot_sound_store(struct device *dev,
+ struct device_attribute *attr,
+ const char *buf, size_t count)
+{
+ int result, err;
+ u32 snd;
+
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+
+ result = kstrtou32(buf, 10, &snd);
+ if (result)
+ return result;
+
+ if (snd > 1)
+ return -EINVAL;
+
+ err = asus_wmi_set_devstate(ASUS_WMI_DEVID_BOOT_SOUND, snd, &result);
+ if (err) {
+ pr_warn("Failed to set boot sound: %d\n", err);
+ return err;
+ }
+
+ if (result > 1) {
+ pr_warn("Failed to set panel boot sound (result): 0x%x\n", result);
+ return -EIO;
+ }
+
+ sysfs_notify(&asus->platform_device->dev.kobj, NULL, "boot_sound");
+
+ return count;
+}
+static DEVICE_ATTR_RW(boot_sound);
+
+/* Mini-LED mode **************************************************************/
+static ssize_t mini_led_mode_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+ u32 value;
+ int err;
+
+ err = asus_wmi_get_devstate(asus, asus->mini_led_dev_id, &value);
+ if (err < 0)
+ return err;
+ value = value & ASUS_MINI_LED_MODE_MASK;
+
+ /*
+ * Remap the mode values to match previous generation mini-led. The last gen
+ * WMI 0 == off, while on this version WMI 2 ==off (flipped).
+ */
+ if (asus->mini_led_dev_id == ASUS_WMI_DEVID_MINI_LED_MODE2) {
+ switch (value) {
+ case ASUS_MINI_LED_2024_WEAK:
+ value = ASUS_MINI_LED_ON;
+ break;
+ case ASUS_MINI_LED_2024_STRONG:
+ value = ASUS_MINI_LED_STRONG_MODE;
+ break;
+ case ASUS_MINI_LED_2024_OFF:
+ value = ASUS_MINI_LED_OFF;
+ break;
+ }
+ }
+
+ return sysfs_emit(buf, "%d\n", value);
+}
+
static ssize_t mini_led_mode_store(struct device *dev,
struct device_attribute *attr,
const char *buf, size_t count)
if (result)
return result;
- if (mode > 1)
+ if (asus->mini_led_dev_id == ASUS_WMI_DEVID_MINI_LED_MODE &&
+ mode > ASUS_MINI_LED_ON)
+ return -EINVAL;
+ if (asus->mini_led_dev_id == ASUS_WMI_DEVID_MINI_LED_MODE2 &&
+ mode > ASUS_MINI_LED_STRONG_MODE)
return -EINVAL;
- err = asus_wmi_set_devstate(ASUS_WMI_DEVID_MINI_LED_MODE, mode, &result);
+ /*
+ * Remap the mode values so expected behaviour is the same as the last
+ * generation of mini-LED with 0 == off, 1 == on.
+ */
+ if (asus->mini_led_dev_id == ASUS_WMI_DEVID_MINI_LED_MODE2) {
+ switch (mode) {
+ case ASUS_MINI_LED_OFF:
+ mode = ASUS_MINI_LED_2024_OFF;
+ break;
+ case ASUS_MINI_LED_ON:
+ mode = ASUS_MINI_LED_2024_WEAK;
+ break;
+ case ASUS_MINI_LED_STRONG_MODE:
+ mode = ASUS_MINI_LED_2024_STRONG;
+ break;
+ }
+ }
+ err = asus_wmi_set_devstate(asus->mini_led_dev_id, mode, &result);
if (err) {
pr_warn("Failed to set mini-LED: %d\n", err);
return err;
}
static DEVICE_ATTR_RW(mini_led_mode);
+static ssize_t available_mini_led_mode_show(struct device *dev,
+ struct device_attribute *attr, char *buf)
+{
+ struct asus_wmi *asus = dev_get_drvdata(dev);
+
+ switch (asus->mini_led_dev_id) {
+ case ASUS_WMI_DEVID_MINI_LED_MODE:
+ return sysfs_emit(buf, "0 1\n");
+ case ASUS_WMI_DEVID_MINI_LED_MODE2:
+ return sysfs_emit(buf, "0 1 2\n");
+ }
+
+ return sysfs_emit(buf, "0\n");
+}
+
+static DEVICE_ATTR_RO(available_mini_led_mode);
+
/* Quirks *********************************************************************/
static void asus_wmi_set_xusb2pr(struct asus_wmi *asus)
/* If we already set a value then just return it */
if (asus->agfn_pwm >= 0)
- return sprintf(buf, "%d\n", asus->agfn_pwm);
+ return sysfs_emit(buf, "%d\n", asus->agfn_pwm);
/*
* If we haven't set already set a value through the AGFN interface,
if (err < 0)
return err;
- return sprintf(buf, "%ld\n",
- deci_kelvin_to_millicelsius(value & 0xFFFF));
+ return sysfs_emit(buf, "%ld\n",
+ deci_kelvin_to_millicelsius(value & 0xFFFF));
}
/* GPU fan on modern ROG laptops */
if (value < 0)
return value;
- return sprintf(buf, "%d\n", value);
+ return sysfs_emit(buf, "%d\n", value);
}
#define ASUS_WMI_CREATE_DEVICE_ATTR(_name, _mode, _cm) \
&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,
NULL
};
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;
+ devid = ASUS_WMI_DEVID_CHARGE_MODE;
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;
+ devid = ASUS_WMI_DEVID_EGPU_CONNECTED;
else if (attr == &dev_attr_dgpu_disable.attr)
ok = asus->dgpu_disable_available;
else if (attr == &dev_attr_gpu_mux_mode.attr)
- ok = asus->gpu_mux_mode_available;
+ ok = asus->gpu_mux_dev != 0;
else if (attr == &dev_attr_fan_boost_mode.attr)
ok = asus->fan_boost_mode_available;
else if (attr == &dev_attr_throttle_thermal_policy.attr)
ok = asus->throttle_thermal_policy_available;
else if (attr == &dev_attr_ppt_pl2_sppt.attr)
- ok = asus->ppt_pl2_sppt_available;
+ devid = ASUS_WMI_DEVID_PPT_PL2_SPPT;
else if (attr == &dev_attr_ppt_pl1_spl.attr)
- ok = asus->ppt_pl1_spl_available;
+ devid = ASUS_WMI_DEVID_PPT_PL1_SPL;
else if (attr == &dev_attr_ppt_fppt.attr)
- ok = asus->ppt_fppt_available;
+ devid = ASUS_WMI_DEVID_PPT_FPPT;
else if (attr == &dev_attr_ppt_apu_sppt.attr)
- ok = asus->ppt_apu_sppt_available;
+ devid = ASUS_WMI_DEVID_PPT_APU_SPPT;
else if (attr == &dev_attr_ppt_platform_sppt.attr)
- ok = asus->ppt_plat_sppt_available;
+ devid = ASUS_WMI_DEVID_PPT_PLAT_SPPT;
else if (attr == &dev_attr_nv_dynamic_boost.attr)
- ok = asus->nv_dyn_boost_available;
+ devid = ASUS_WMI_DEVID_NV_DYN_BOOST;
else if (attr == &dev_attr_nv_temp_target.attr)
- ok = asus->nv_temp_tgt_available;
+ devid = ASUS_WMI_DEVID_NV_THERM_TARGET;
+ else if (attr == &dev_attr_mcu_powersave.attr)
+ devid = ASUS_WMI_DEVID_MCU_POWERSAVE;
+ else if (attr == &dev_attr_boot_sound.attr)
+ devid = ASUS_WMI_DEVID_BOOT_SOUND;
else if (attr == &dev_attr_panel_od.attr)
- ok = asus->panel_overdrive_available;
+ devid = ASUS_WMI_DEVID_PANEL_OD;
else if (attr == &dev_attr_mini_led_mode.attr)
- ok = asus->mini_led_mode_available;
+ ok = asus->mini_led_dev_id != 0;
+ else if (attr == &dev_attr_available_mini_led_mode.attr)
+ ok = asus->mini_led_dev_id != 0;
if (devid != -1)
ok = !(asus_wmi_get_devstate_simple(asus, devid) < 0);
if (err)
goto fail_platform;
- asus->charge_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_CHARGE_MODE);
+ /* ensure defaults for tunables */
+ asus->ppt_pl2_sppt = 5;
+ asus->ppt_pl1_spl = 5;
+ asus->ppt_apu_sppt = 5;
+ asus->ppt_platform_sppt = 5;
+ asus->ppt_fppt = 5;
+ asus->nv_dynamic_boost = 5;
+ asus->nv_temp_target = 75;
+
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);
asus->kbd_rgb_state_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_STATE);
- asus->ppt_pl2_sppt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PPT_PL2_SPPT);
- asus->ppt_pl1_spl_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PPT_PL1_SPL);
- asus->ppt_fppt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PPT_FPPT);
- asus->ppt_apu_sppt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PPT_APU_SPPT);
- asus->ppt_plat_sppt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PPT_PLAT_SPPT);
- asus->nv_dyn_boost_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_NV_DYN_BOOST);
- asus->nv_temp_tgt_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_NV_THERM_TARGET);
- asus->panel_overdrive_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_PANEL_OD);
- asus->mini_led_mode_available = asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MINI_LED_MODE);
asus->ally_mcu_usb_switch = acpi_has_method(NULL, ASUS_USB0_PWR_EC0_CSEE)
&& dmi_match(DMI_BOARD_NAME, "RC71L");
+ if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MINI_LED_MODE))
+ asus->mini_led_dev_id = ASUS_WMI_DEVID_MINI_LED_MODE;
+ else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_MINI_LED_MODE2))
+ asus->mini_led_dev_id = ASUS_WMI_DEVID_MINI_LED_MODE2;
+
+ if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_GPU_MUX))
+ 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;
+
+ if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE))
+ asus->kbd_rgb_dev = ASUS_WMI_DEVID_TUF_RGB_MODE;
+ else if (asus_wmi_dev_is_present(asus, ASUS_WMI_DEVID_TUF_RGB_MODE2))
+ asus->kbd_rgb_dev = ASUS_WMI_DEVID_TUF_RGB_MODE2;
+
err = fan_boost_mode_check_present(asus);
if (err)
goto fail_fan_boost_mode;
struct asus_wmi *asus = dev_get_drvdata(device);
if (asus->ally_mcu_usb_switch) {
+ /* sleep required to prevent USB0 being yanked then reappearing rapidly */
if (ACPI_FAILURE(acpi_execute_simple_method(NULL, ASUS_USB0_PWR_EC0_CSEE, 0xB8)))
dev_err(device, "ROG Ally MCU failed to connect USB dev\n");
else
static int asus_hotk_prepare(struct device *device)
{
struct asus_wmi *asus = dev_get_drvdata(device);
- int result, err;
if (asus->ally_mcu_usb_switch) {
- /* When powersave is enabled it causes many issues with resume of USB hub */
- result = asus_wmi_get_devstate_simple(asus, ASUS_WMI_DEVID_MCU_POWERSAVE);
- if (result == 1) {
- dev_warn(device, "MCU powersave enabled, disabling to prevent resume issues");
- err = asus_wmi_set_devstate(ASUS_WMI_DEVID_MCU_POWERSAVE, 0, &result);
- if (err || result != 1)
- dev_err(device, "Failed to set MCU powersave mode: %d\n", err);
- }
/* sleep required to ensure USB0 is disabled before sleep continues */
if (ACPI_FAILURE(acpi_execute_simple_method(NULL, ASUS_USB0_PWR_EC0_CSEE, 0xB7)))
dev_err(device, "ROG Ally MCU failed to disconnect USB dev\n");
#include <linux/input.h>
#include <linux/rfkill.h>
-MODULE_LICENSE("GPL");
-
struct cmpc_accel {
int sensitivity;
int g_select;
};
MODULE_DEVICE_TABLE(acpi, cmpc_device_ids);
+MODULE_DESCRIPTION("Support for Intel Classmate PC ACPI devices");
+MODULE_LICENSE("GPL");
To compile this driver as a module, choose M here: the module will
be called dell-smo8800.
+config DELL_UART_BACKLIGHT
+ tristate "Dell AIO UART Backlight driver"
+ depends on ACPI
+ depends on BACKLIGHT_CLASS_DEVICE
+ depends on SERIAL_DEV_BUS
+ help
+ Say Y here if you want to support Dell AIO UART backlight interface.
+ The Dell AIO machines released after 2017 come with a UART interface
+ to communicate with the backlight scalar board. This driver creates
+ a standard backlight interface and talks to the scalar board through
+ UART to adjust the AIO screen brightness.
+
+ To compile this driver as a module, choose M here: the module will
+ be called dell_uart_backlight.
+
config DELL_WMI
tristate "Dell WMI notifications"
default m
dell-smbios-$(CONFIG_DELL_SMBIOS_WMI) += dell-smbios-wmi.o
dell-smbios-$(CONFIG_DELL_SMBIOS_SMM) += dell-smbios-smm.o
obj-$(CONFIG_DELL_SMO8800) += dell-smo8800.o
+obj-$(CONFIG_DELL_UART_BACKLIGHT) += dell-uart-backlight.o
obj-$(CONFIG_DELL_WMI) += dell-wmi.o
dell-wmi-objs := dell-wmi-base.o
dell-wmi-$(CONFIG_DELL_WMI_PRIVACY) += dell-wmi-privacy.o
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Dell AIO Serial Backlight Driver
+ *
+ * Copyright (C) 2024 Hans de Goede <hansg@kernel.org>
+ * Copyright (C) 2017 AceLan Kao <acelan.kao@canonical.com>
+ */
+
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/acpi.h>
+#include <linux/backlight.h>
+#include <linux/delay.h>
+#include <linux/device.h>
+#include <linux/err.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/platform_device.h>
+#include <linux/serdev.h>
+#include <linux/string.h>
+#include <linux/types.h>
+#include <linux/wait.h>
+#include "../serdev_helpers.h"
+
+/* The backlight controller must respond within 1 second */
+#define DELL_BL_TIMEOUT msecs_to_jiffies(1000)
+#define DELL_BL_MAX_BRIGHTNESS 100
+
+/* Defines for the commands send to the controller */
+
+/* 1st byte Start Of Frame 3 MSB bits: cmd-len + 01010 SOF marker */
+#define DELL_SOF(len) (((len) << 5) | 0x0a)
+#define GET_CMD_LEN 3
+#define SET_CMD_LEN 4
+
+/* 2nd byte command */
+#define CMD_GET_VERSION 0x06
+#define CMD_SET_BRIGHTNESS 0x0b
+#define CMD_GET_BRIGHTNESS 0x0c
+#define CMD_SET_BL_POWER 0x0e
+
+/* Indexes and other defines for response received from the controller */
+#define RESP_LEN 0
+#define RESP_CMD 1 /* Echo of CMD byte from command */
+#define RESP_DATA 2 /* Start of received data */
+
+#define SET_RESP_LEN 3
+#define GET_RESP_LEN 4
+#define MIN_RESP_LEN 3
+#define MAX_RESP_LEN 80
+
+struct dell_uart_backlight {
+ struct mutex mutex;
+ wait_queue_head_t wait_queue;
+ struct device *dev;
+ struct backlight_device *bl;
+ u8 *resp;
+ u8 resp_idx;
+ u8 resp_len;
+ u8 resp_max_len;
+ u8 pending_cmd;
+ int status;
+ int power;
+};
+
+/* Checksum: SUM(Length and Cmd and Data) xor 0xFF */
+static u8 dell_uart_checksum(u8 *buf, int len)
+{
+ u8 val = 0;
+
+ while (len-- > 0)
+ val += buf[len];
+
+ return val ^ 0xff;
+}
+
+static int dell_uart_bl_command(struct dell_uart_backlight *dell_bl,
+ const u8 *cmd, int cmd_len,
+ u8 *resp, int resp_max_len)
+{
+ int ret;
+
+ ret = mutex_lock_killable(&dell_bl->mutex);
+ if (ret)
+ return ret;
+
+ dell_bl->status = -EBUSY;
+ dell_bl->resp = resp;
+ dell_bl->resp_idx = 0;
+ dell_bl->resp_len = -1; /* Invalid / unset */
+ dell_bl->resp_max_len = resp_max_len;
+ dell_bl->pending_cmd = cmd[1];
+
+ /* The TTY buffer should be big enough to take the entire cmd in one go */
+ ret = serdev_device_write_buf(to_serdev_device(dell_bl->dev), cmd, cmd_len);
+ if (ret != cmd_len) {
+ dev_err(dell_bl->dev, "Error writing command: %d\n", ret);
+ dell_bl->status = (ret < 0) ? ret : -EIO;
+ goto out;
+ }
+
+ ret = wait_event_timeout(dell_bl->wait_queue, dell_bl->status != -EBUSY,
+ DELL_BL_TIMEOUT);
+ if (ret == 0) {
+ dev_err(dell_bl->dev, "Timed out waiting for response.\n");
+ /* Clear busy status to discard bytes received after this */
+ dell_bl->status = -ETIMEDOUT;
+ }
+
+out:
+ mutex_unlock(&dell_bl->mutex);
+ return dell_bl->status;
+}
+
+static int dell_uart_set_brightness(struct dell_uart_backlight *dell_bl, int brightness)
+{
+ u8 set_brightness[SET_CMD_LEN], resp[SET_RESP_LEN];
+
+ set_brightness[0] = DELL_SOF(SET_CMD_LEN);
+ set_brightness[1] = CMD_SET_BRIGHTNESS;
+ set_brightness[2] = brightness;
+ set_brightness[3] = dell_uart_checksum(set_brightness, 3);
+
+ return dell_uart_bl_command(dell_bl, set_brightness, SET_CMD_LEN, resp, SET_RESP_LEN);
+}
+
+static int dell_uart_get_brightness(struct dell_uart_backlight *dell_bl)
+{
+ struct device *dev = dell_bl->dev;
+ u8 get_brightness[GET_CMD_LEN], resp[GET_RESP_LEN];
+ int ret;
+
+ get_brightness[0] = DELL_SOF(GET_CMD_LEN);
+ get_brightness[1] = CMD_GET_BRIGHTNESS;
+ get_brightness[2] = dell_uart_checksum(get_brightness, 2);
+
+ ret = dell_uart_bl_command(dell_bl, get_brightness, GET_CMD_LEN, resp, GET_RESP_LEN);
+ if (ret)
+ return ret;
+
+ if (resp[RESP_LEN] != GET_RESP_LEN) {
+ dev_err(dev, "Unexpected get brightness response length: %d\n", resp[RESP_LEN]);
+ return -EIO;
+ }
+
+ if (resp[RESP_DATA] > DELL_BL_MAX_BRIGHTNESS) {
+ dev_err(dev, "Unexpected get brightness response: %d\n", resp[RESP_DATA]);
+ return -EIO;
+ }
+
+ return resp[RESP_DATA];
+}
+
+static int dell_uart_set_bl_power(struct dell_uart_backlight *dell_bl, int power)
+{
+ u8 set_power[SET_CMD_LEN], resp[SET_RESP_LEN];
+ int ret;
+
+ set_power[0] = DELL_SOF(SET_CMD_LEN);
+ set_power[1] = CMD_SET_BL_POWER;
+ set_power[2] = (power == FB_BLANK_UNBLANK) ? 1 : 0;
+ set_power[3] = dell_uart_checksum(set_power, 3);
+
+ ret = dell_uart_bl_command(dell_bl, set_power, SET_CMD_LEN, resp, SET_RESP_LEN);
+ if (ret)
+ return ret;
+
+ dell_bl->power = power;
+ return 0;
+}
+
+/*
+ * There is no command to get backlight power status,
+ * so we set the backlight power to "on" while initializing,
+ * and then track and report its status by power variable.
+ */
+static int dell_uart_get_bl_power(struct dell_uart_backlight *dell_bl)
+{
+ return dell_bl->power;
+}
+
+static int dell_uart_update_status(struct backlight_device *bd)
+{
+ struct dell_uart_backlight *dell_bl = bl_get_data(bd);
+ int ret;
+
+ ret = dell_uart_set_brightness(dell_bl, bd->props.brightness);
+ if (ret)
+ return ret;
+
+ if (bd->props.power != dell_uart_get_bl_power(dell_bl))
+ return dell_uart_set_bl_power(dell_bl, bd->props.power);
+
+ return 0;
+}
+
+static int dell_uart_get_brightness_op(struct backlight_device *bd)
+{
+ return dell_uart_get_brightness(bl_get_data(bd));
+}
+
+static const struct backlight_ops dell_uart_backlight_ops = {
+ .update_status = dell_uart_update_status,
+ .get_brightness = dell_uart_get_brightness_op,
+};
+
+static size_t dell_uart_bl_receive(struct serdev_device *serdev, const u8 *data, size_t len)
+{
+ struct dell_uart_backlight *dell_bl = serdev_device_get_drvdata(serdev);
+ size_t i;
+ u8 csum;
+
+ dev_dbg(dell_bl->dev, "Recv: %*ph\n", (int)len, data);
+
+ /* Throw away unexpected bytes / remainder of response after an error */
+ if (dell_bl->status != -EBUSY) {
+ dev_warn(dell_bl->dev, "Bytes received out of band, dropping them.\n");
+ return len;
+ }
+
+ i = 0;
+ while (i < len && dell_bl->resp_idx != dell_bl->resp_len) {
+ dell_bl->resp[dell_bl->resp_idx] = data[i++];
+
+ switch (dell_bl->resp_idx) {
+ case RESP_LEN: /* Length byte */
+ dell_bl->resp_len = dell_bl->resp[RESP_LEN];
+ if (dell_bl->resp_len < MIN_RESP_LEN ||
+ dell_bl->resp_len > dell_bl->resp_max_len) {
+ dev_err(dell_bl->dev, "Response length %d out if range %d - %d\n",
+ dell_bl->resp_len, MIN_RESP_LEN, dell_bl->resp_max_len);
+ dell_bl->status = -EIO;
+ goto wakeup;
+ }
+ break;
+ case RESP_CMD: /* CMD byte */
+ if (dell_bl->resp[RESP_CMD] != dell_bl->pending_cmd) {
+ dev_err(dell_bl->dev, "Response cmd 0x%02x != pending 0x%02x\n",
+ dell_bl->resp[RESP_CMD], dell_bl->pending_cmd);
+ dell_bl->status = -EIO;
+ goto wakeup;
+ }
+ break;
+ }
+ dell_bl->resp_idx++;
+ }
+
+ if (dell_bl->resp_idx != dell_bl->resp_len)
+ return len; /* Response not complete yet */
+
+ csum = dell_uart_checksum(dell_bl->resp, dell_bl->resp_len - 1);
+ if (dell_bl->resp[dell_bl->resp_len - 1] == csum) {
+ dell_bl->status = 0; /* Success */
+ } else {
+ dev_err(dell_bl->dev, "Checksum mismatch got 0x%02x expected 0x%02x\n",
+ dell_bl->resp[dell_bl->resp_len - 1], csum);
+ dell_bl->status = -EIO;
+ }
+wakeup:
+ wake_up(&dell_bl->wait_queue);
+ return i;
+}
+
+static const struct serdev_device_ops dell_uart_bl_serdev_ops = {
+ .receive_buf = dell_uart_bl_receive,
+ .write_wakeup = serdev_device_write_wakeup,
+};
+
+static int dell_uart_bl_serdev_probe(struct serdev_device *serdev)
+{
+ u8 get_version[GET_CMD_LEN], resp[MAX_RESP_LEN];
+ struct backlight_properties props = {};
+ struct dell_uart_backlight *dell_bl;
+ struct device *dev = &serdev->dev;
+ int ret;
+
+ dell_bl = devm_kzalloc(dev, sizeof(*dell_bl), GFP_KERNEL);
+ if (!dell_bl)
+ return -ENOMEM;
+
+ mutex_init(&dell_bl->mutex);
+ init_waitqueue_head(&dell_bl->wait_queue);
+ dell_bl->dev = dev;
+
+ ret = devm_serdev_device_open(dev, serdev);
+ if (ret)
+ return dev_err_probe(dev, ret, "opening UART device\n");
+
+ /* 9600 bps, no flow control, these are the default but set them to be sure */
+ serdev_device_set_baudrate(serdev, 9600);
+ serdev_device_set_flow_control(serdev, false);
+ serdev_device_set_drvdata(serdev, dell_bl);
+ serdev_device_set_client_ops(serdev, &dell_uart_bl_serdev_ops);
+
+ get_version[0] = DELL_SOF(GET_CMD_LEN);
+ get_version[1] = CMD_GET_VERSION;
+ get_version[2] = dell_uart_checksum(get_version, 2);
+
+ ret = dell_uart_bl_command(dell_bl, get_version, GET_CMD_LEN, resp, MAX_RESP_LEN);
+ if (ret)
+ return dev_err_probe(dev, ret, "getting firmware version\n");
+
+ dev_dbg(dev, "Firmware version: %.*s\n", resp[RESP_LEN] - 3, resp + RESP_DATA);
+
+ /* Initialize bl_power to a known value */
+ ret = dell_uart_set_bl_power(dell_bl, FB_BLANK_UNBLANK);
+ if (ret)
+ return ret;
+
+ ret = dell_uart_get_brightness(dell_bl);
+ if (ret < 0)
+ return ret;
+
+ props.type = BACKLIGHT_PLATFORM;
+ props.brightness = ret;
+ props.max_brightness = DELL_BL_MAX_BRIGHTNESS;
+ props.power = dell_bl->power;
+
+ dell_bl->bl = devm_backlight_device_register(dev, "dell_uart_backlight",
+ dev, dell_bl,
+ &dell_uart_backlight_ops,
+ &props);
+ return PTR_ERR_OR_ZERO(dell_bl->bl);
+}
+
+struct serdev_device_driver dell_uart_bl_serdev_driver = {
+ .probe = dell_uart_bl_serdev_probe,
+ .driver = {
+ .name = KBUILD_MODNAME,
+ },
+};
+
+static int dell_uart_bl_pdev_probe(struct platform_device *pdev)
+{
+ struct serdev_device *serdev;
+ struct device *ctrl_dev;
+ int ret;
+
+ ctrl_dev = get_serdev_controller("DELL0501", NULL, 0, "serial0");
+ if (IS_ERR(ctrl_dev))
+ return PTR_ERR(ctrl_dev);
+
+ serdev = serdev_device_alloc(to_serdev_controller(ctrl_dev));
+ put_device(ctrl_dev);
+ if (!serdev)
+ return -ENOMEM;
+
+ ret = serdev_device_add(serdev);
+ if (ret) {
+ dev_err(&pdev->dev, "error %d adding serdev\n", ret);
+ serdev_device_put(serdev);
+ return ret;
+ }
+
+ ret = serdev_device_driver_register(&dell_uart_bl_serdev_driver);
+ if (ret)
+ goto err_remove_serdev;
+
+ /*
+ * serdev device <-> driver matching relies on OF or ACPI matches and
+ * neither is available here, manually bind the driver.
+ */
+ ret = device_driver_attach(&dell_uart_bl_serdev_driver.driver, &serdev->dev);
+ if (ret)
+ goto err_unregister_serdev_driver;
+
+ /* So that dell_uart_bl_pdev_remove() can remove the serdev */
+ platform_set_drvdata(pdev, serdev);
+ return 0;
+
+err_unregister_serdev_driver:
+ serdev_device_driver_unregister(&dell_uart_bl_serdev_driver);
+err_remove_serdev:
+ serdev_device_remove(serdev);
+ return ret;
+}
+
+static void dell_uart_bl_pdev_remove(struct platform_device *pdev)
+{
+ struct serdev_device *serdev = platform_get_drvdata(pdev);
+
+ serdev_device_driver_unregister(&dell_uart_bl_serdev_driver);
+ serdev_device_remove(serdev);
+}
+
+static struct platform_driver dell_uart_bl_pdev_driver = {
+ .probe = dell_uart_bl_pdev_probe,
+ .remove_new = dell_uart_bl_pdev_remove,
+ .driver = {
+ .name = "dell-uart-backlight",
+ },
+};
+module_platform_driver(dell_uart_bl_pdev_driver);
+
+MODULE_ALIAS("platform:dell-uart-backlight");
+MODULE_DESCRIPTION("Dell AIO Serial Backlight driver");
+MODULE_AUTHOR("Hans de Goede <hansg@kernel.org>");
+MODULE_LICENSE("GPL");
struct fujitsu_laptop *priv = dev_get_drvdata(dev);
if (!(priv->flags_supported & FLAG_LID))
- return sprintf(buf, "unknown\n");
+ return sysfs_emit(buf, "unknown\n");
if (priv->flags_state & FLAG_LID)
- return sprintf(buf, "open\n");
+ return sysfs_emit(buf, "open\n");
else
- return sprintf(buf, "closed\n");
+ return sysfs_emit(buf, "closed\n");
}
static ssize_t dock_show(struct device *dev, struct device_attribute *attr,
struct fujitsu_laptop *priv = dev_get_drvdata(dev);
if (!(priv->flags_supported & FLAG_DOCK))
- return sprintf(buf, "unknown\n");
+ return sysfs_emit(buf, "unknown\n");
if (priv->flags_state & FLAG_DOCK)
- return sprintf(buf, "docked\n");
+ return sysfs_emit(buf, "docked\n");
else
- return sprintf(buf, "undocked\n");
+ return sysfs_emit(buf, "undocked\n");
}
static ssize_t radios_show(struct device *dev, struct device_attribute *attr,
struct fujitsu_laptop *priv = dev_get_drvdata(dev);
if (!(priv->flags_supported & FLAG_RFKILL))
- return sprintf(buf, "unknown\n");
+ return sysfs_emit(buf, "unknown\n");
if (priv->flags_state & FLAG_RFKILL)
- return sprintf(buf, "on\n");
+ return sysfs_emit(buf, "on\n");
else
- return sprintf(buf, "killed\n");
+ return sysfs_emit(buf, "killed\n");
}
static DEVICE_ATTR_RO(lid);
if (value < 0)
return value;
- return sprintf(buf, "%d\n", value);
+ return sysfs_emit(buf, "%d\n", value);
}
static ssize_t hddtemp_show(struct device *dev, struct device_attribute *attr,
if (value < 0)
return value;
- return sprintf(buf, "%d\n", value);
+ return sysfs_emit(buf, "%d\n", value);
}
static ssize_t als_show(struct device *dev, struct device_attribute *attr,
if (value < 0)
return value;
- return sprintf(buf, "%d\n", value);
+ return sysfs_emit(buf, "%d\n", value);
}
static ssize_t dock_show(struct device *dev, struct device_attribute *attr,
if (value < 0)
return value;
- return sprintf(buf, "%d\n", value);
+ return sysfs_emit(buf, "%d\n", value);
}
static ssize_t tablet_show(struct device *dev, struct device_attribute *attr,
if (value < 0)
return value;
- return sprintf(buf, "%d\n", value);
+ return sysfs_emit(buf, "%d\n", value);
}
static ssize_t postcode_show(struct device *dev, struct device_attribute *attr,
if (value < 0)
return value;
- return sprintf(buf, "0x%x\n", value);
+ return sysfs_emit(buf, "0x%x\n", value);
}
static ssize_t als_store(struct device *dev, struct device_attribute *attr,
if (err)
return err;
- return sprintf(buf, "%d\n", start);
+ return sysfs_emit(buf, "%d\n", start);
}
static ssize_t charge_control_end_threshold_show(struct device *dev,
if (err)
return err;
- return sprintf(buf, "%d\n", end);
+ return sysfs_emit(buf, "%d\n", end);
}
static ssize_t charge_control_thresholds_show(struct device *dev,
if (err)
return err;
- return sprintf(buf, "%d %d\n", start, end);
+ return sysfs_emit(buf, "%d %d\n", start, end);
}
static ssize_t charge_control_start_threshold_store(struct device *dev,
if (err)
return err;
- return sprintf(buf, "%d\n", on);
+ return sysfs_emit(buf, "%d\n", on);
}
static ssize_t fn_lock_state_store(struct device *dev,
struct led_classdev led;
unsigned int last_brightness;
} kbd_bl;
+ struct {
+ bool initialized;
+ struct led_classdev led;
+ unsigned int last_brightness;
+ } fn_lock;
};
static bool no_bt_rfkill;
static DEVICE_ATTR_RW(fan_mode);
-static ssize_t fn_lock_show(struct device *dev,
- struct device_attribute *attr,
- char *buf)
+static int ideapad_fn_lock_get(struct ideapad_private *priv)
{
- struct ideapad_private *priv = dev_get_drvdata(dev);
unsigned long hals;
int err;
if (err)
return err;
- return sysfs_emit(buf, "%d\n", !!test_bit(HALS_FNLOCK_STATE_BIT, &hals));
+ return !!test_bit(HALS_FNLOCK_STATE_BIT, &hals);
+}
+
+static int ideapad_fn_lock_set(struct ideapad_private *priv, bool state)
+{
+ return exec_sals(priv->adev->handle,
+ state ? SALS_FNLOCK_ON : SALS_FNLOCK_OFF);
+}
+
+static void ideapad_fn_lock_led_notify(struct ideapad_private *priv, int brightness)
+{
+ if (!priv->fn_lock.initialized)
+ return;
+
+ if (brightness == priv->fn_lock.last_brightness)
+ return;
+
+ priv->fn_lock.last_brightness = brightness;
+
+ led_classdev_notify_brightness_hw_changed(&priv->fn_lock.led, brightness);
+}
+
+static ssize_t fn_lock_show(struct device *dev,
+ struct device_attribute *attr,
+ char *buf)
+{
+ struct ideapad_private *priv = dev_get_drvdata(dev);
+ int brightness;
+
+ brightness = ideapad_fn_lock_get(priv);
+ if (brightness < 0)
+ return brightness;
+
+ return sysfs_emit(buf, "%d\n", brightness);
}
static ssize_t fn_lock_store(struct device *dev,
if (err)
return err;
- err = exec_sals(priv->adev->handle, state ? SALS_FNLOCK_ON : SALS_FNLOCK_OFF);
+ err = ideapad_fn_lock_set(priv, state);
if (err)
return err;
+ ideapad_fn_lock_led_notify(priv, state);
+
return count;
}
switch (bit) {
case 6: /* Z570 */
case 0: /* Z580 */
- /* Thermal Management button */
- ideapad_input_report(priv, 65);
+ /* Thermal Management / Performance Mode button */
+ if (priv->dytc)
+ platform_profile_cycle();
+ else
+ ideapad_input_report(priv, 65);
break;
case 1:
/* OneKey Theater button */
led_classdev_unregister(&priv->kbd_bl.led);
}
+/*
+ * FnLock LED
+ */
+static enum led_brightness ideapad_fn_lock_led_cdev_get(struct led_classdev *led_cdev)
+{
+ struct ideapad_private *priv = container_of(led_cdev, struct ideapad_private, fn_lock.led);
+
+ return ideapad_fn_lock_get(priv);
+}
+
+static int ideapad_fn_lock_led_cdev_set(struct led_classdev *led_cdev,
+ enum led_brightness brightness)
+{
+ struct ideapad_private *priv = container_of(led_cdev, struct ideapad_private, fn_lock.led);
+
+ return ideapad_fn_lock_set(priv, brightness);
+}
+
+static int ideapad_fn_lock_led_init(struct ideapad_private *priv)
+{
+ int brightness, err;
+
+ if (!priv->features.fn_lock)
+ return -ENODEV;
+
+ if (WARN_ON(priv->fn_lock.initialized))
+ return -EEXIST;
+
+ priv->fn_lock.led.max_brightness = 1;
+
+ brightness = ideapad_fn_lock_get(priv);
+ if (brightness < 0)
+ return brightness;
+
+ priv->fn_lock.last_brightness = brightness;
+ priv->fn_lock.led.name = "platform::" LED_FUNCTION_FNLOCK;
+ priv->fn_lock.led.brightness_get = ideapad_fn_lock_led_cdev_get;
+ priv->fn_lock.led.brightness_set_blocking = ideapad_fn_lock_led_cdev_set;
+ priv->fn_lock.led.flags = LED_BRIGHT_HW_CHANGED;
+
+ err = led_classdev_register(&priv->platform_device->dev, &priv->fn_lock.led);
+ if (err)
+ return err;
+
+ priv->fn_lock.initialized = true;
+
+ return 0;
+}
+
+static void ideapad_fn_lock_led_exit(struct ideapad_private *priv)
+{
+ if (!priv->fn_lock.initialized)
+ return;
+
+ priv->fn_lock.initialized = false;
+
+ led_classdev_unregister(&priv->fn_lock.led);
+}
+
/*
* module init/exit
*/
{
struct ideapad_wmi_private *wpriv = dev_get_drvdata(&wdev->dev);
struct ideapad_private *priv;
- unsigned long result;
mutex_lock(&ideapad_shared_mutex);
ideapad_input_report(priv, 128);
break;
case IDEAPAD_WMI_EVENT_FN_KEYS:
- if (priv->features.set_fn_lock_led &&
- !eval_hals(priv->adev->handle, &result)) {
- bool state = test_bit(HALS_FNLOCK_STATE_BIT, &result);
+ if (priv->features.set_fn_lock_led) {
+ int brightness = ideapad_fn_lock_get(priv);
- exec_sals(priv->adev->handle, state ? SALS_FNLOCK_ON : SALS_FNLOCK_OFF);
+ if (brightness >= 0) {
+ ideapad_fn_lock_set(priv, brightness);
+ ideapad_fn_lock_led_notify(priv, brightness);
+ }
}
if (data->type != ACPI_TYPE_INTEGER) {
dev_dbg(&wdev->dev, "WMI fn-key event: 0x%llx\n",
data->integer.value);
+ /* 0x02 FnLock, 0x03 Esc */
+ if (data->integer.value == 0x02 || data->integer.value == 0x03)
+ ideapad_fn_lock_led_notify(priv, data->integer.value == 0x02);
+
ideapad_input_report(priv,
data->integer.value | IDEAPAD_WMI_KEY);
dev_info(&pdev->dev, "Keyboard backlight control not available\n");
}
+ err = ideapad_fn_lock_led_init(priv);
+ if (err) {
+ if (err != -ENODEV)
+ dev_warn(&pdev->dev, "Could not set up FnLock LED: %d\n", err);
+ else
+ dev_info(&pdev->dev, "FnLock control not available\n");
+ }
+
/*
* On some models without a hw-switch (the yoga 2 13 at least)
* VPCCMD_W_RF must be explicitly set to 1 for the wifi to work.
for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++)
ideapad_unregister_rfkill(priv, i);
+ ideapad_fn_lock_led_exit(priv);
ideapad_kbd_bl_exit(priv);
ideapad_input_exit(priv);
for (i = 0; i < IDEAPAD_RFKILL_DEV_NUM; i++)
ideapad_unregister_rfkill(priv, i);
+ ideapad_fn_lock_led_exit(priv);
ideapad_kbd_bl_exit(priv);
ideapad_input_exit(priv);
ideapad_debugfs_exit(priv);
.id_table = inspur_wmi_id_table,
.probe = inspur_wmi_probe,
.remove = inspur_wmi_remove,
+ .no_singleton = true,
};
module_wmi_driver(inspur_wmi_driver);
chunk_table[0] = starting_chunk_nr + i;
chunk_table[1] = linear_addr;
do {
+ local_irq_disable();
wrmsrl(MSR_AUTHENTICATE_AND_COPY_CHUNK, (u64)chunk_table);
+ local_irq_enable();
rdmsrl(MSR_CHUNKS_AUTHENTICATION_STATUS, chunk_status.data);
err_code = chunk_status.error_code;
} while (err_code == AUTH_INTERRUPTED_ERROR && --retry_count);
static void message_not_tested(struct device *dev, int cpu, union ifs_status status)
{
+ struct ifs_data *ifsd = ifs_get_data(dev);
+
+ /*
+ * control_error is set when the microcode runs into a problem
+ * loading the image from the reserved BIOS memory, or it has
+ * been corrupted. Reloading the image may fix this issue.
+ */
+ if (status.control_error) {
+ dev_warn(dev, "CPU(s) %*pbl: Scan controller error. Batch: %02x version: 0x%x\n",
+ cpumask_pr_args(cpu_smt_mask(cpu)), ifsd->cur_batch, ifsd->loaded_version);
+ return;
+ }
+
if (status.error_code < ARRAY_SIZE(scan_test_status)) {
dev_info(dev, "CPU(s) %*pbl: SCAN operation did not start. %s\n",
cpumask_pr_args(cpu_smt_mask(cpu)),
{
struct ifs_data *ifsd = ifs_get_data(dev);
- /*
- * control_error is set when the microcode runs into a problem
- * loading the image from the reserved BIOS memory, or it has
- * been corrupted. Reloading the image may fix this issue.
- */
- if (status.control_error) {
- dev_err(dev, "CPU(s) %*pbl: could not execute from loaded scan image. Batch: %02x version: 0x%x\n",
- cpumask_pr_args(cpu_smt_mask(cpu)), ifsd->cur_batch, ifsd->loaded_version);
- }
-
/*
* signature_error is set when the output from the scan chains does not
* match the expected signature. This might be a transient problem (e.g.
/* Update status for this core */
ifsd->scan_details = status.data;
- if (status.control_error || status.signature_error) {
+ if (status.signature_error) {
ifsd->status = SCAN_TEST_FAIL;
message_fail(dev, cpu, status);
- } else if (status.error_code) {
+ } else if (status.control_error || status.error_code) {
ifsd->status = SCAN_NOT_TESTED;
message_not_tested(dev, cpu, status);
} else {
// SPDX-License-Identifier: GPL-2.0
/*
* This file contains platform specific structure definitions
- * and init function used by Meteor Lake PCH.
+ * and init function used by Arrow Lake PCH.
*
* Copyright (c) 2022, Intel Corporation.
* All Rights Reserved.
}
DEFINE_SHOW_ATTRIBUTE(pmc_core_ltr);
+static int pmc_core_s0ix_blocker_show(struct seq_file *s, void *unused)
+{
+ struct pmc_dev *pmcdev = s->private;
+ unsigned int pmcidx;
+
+ for (pmcidx = 0; pmcidx < ARRAY_SIZE(pmcdev->pmcs); pmcidx++) {
+ const struct pmc_bit_map **maps;
+ unsigned int arr_size, r_idx;
+ u32 offset, counter;
+ struct pmc *pmc;
+
+ pmc = pmcdev->pmcs[pmcidx];
+ if (!pmc)
+ continue;
+ maps = pmc->map->s0ix_blocker_maps;
+ offset = pmc->map->s0ix_blocker_offset;
+ arr_size = pmc_core_lpm_get_arr_size(maps);
+
+ for (r_idx = 0; r_idx < arr_size; r_idx++) {
+ const struct pmc_bit_map *map;
+
+ for (map = maps[r_idx]; map->name; map++) {
+ if (!map->blk)
+ continue;
+ counter = pmc_core_reg_read(pmc, offset);
+ seq_printf(s, "PMC%d:%-30s %-30d\n", pmcidx,
+ map->name, counter);
+ offset += map->blk * S0IX_BLK_SIZE;
+ }
+ }
+ }
+ return 0;
+}
+DEFINE_SHOW_ATTRIBUTE(pmc_core_s0ix_blocker);
+
static inline u64 adjust_lpm_residency(struct pmc *pmc, u32 offset,
const int lpm_adj_x2)
{
debugfs_create_file("ltr_show", 0444, dir, pmcdev, &pmc_core_ltr_fops);
+ if (primary_pmc->map->s0ix_blocker_maps)
+ debugfs_create_file("s0ix_blocker", 0444, dir, pmcdev, &pmc_core_s0ix_blocker_fops);
+
debugfs_create_file("package_cstate_show", 0444, dir, primary_pmc,
&pmc_core_pkgc_fops);
#define PMC_BASE_ADDR_DEFAULT 0xFE000000
#define MAX_NUM_PMC 3
+#define S0IX_BLK_SIZE 4
/* Sunrise Point Power Management Controller PCI Device ID */
#define SPT_PMC_PCI_DEVICE_ID 0x9d21
#define LNL_PMC_LTR_OSSE 0x1B88
#define LNL_NUM_IP_IGN_ALLOWED 27
#define LNL_PPFEAR_NUM_ENTRIES 12
+#define LNL_S0IX_BLOCKER_OFFSET 0x2004
extern const char *pmc_lpm_modes[];
struct pmc_bit_map {
const char *name;
u32 bit_mask;
+ u8 blk;
};
/**
* @pll_sts: Maps name of PLL to corresponding bit status
* @slps0_dbg_maps: Array of SLP_S0_DBG* registers containing debug info
* @ltr_show_sts: Maps PCH IP Names to their MMIO register offsets
+ * @s0ix_blocker_maps: Maps name of IP block to S0ix blocker counter
* @slp_s0_offset: PWRMBASE offset to read SLP_S0 residency
* @ltr_ignore_offset: PWRMBASE offset to read/write LTR ignore bit
* @regmap_length: Length of memory to map from PWRMBASE address to access
* @pm_cfg_offset: PWRMBASE offset to PM_CFG register
* @pm_read_disable_bit: Bit index to read PMC_READ_DISABLE
* @slps0_dbg_offset: PWRMBASE offset to SLP_S0_DEBUG_REG*
+ * @s0ix_blocker_offset PWRMBASE offset to S0ix blocker counter
*
* Each PCH has unique set of register offsets and bit indexes. This structure
* captures them to have a common implementation.
const struct pmc_bit_map *ltr_show_sts;
const struct pmc_bit_map *msr_sts;
const struct pmc_bit_map **lpm_sts;
+ const struct pmc_bit_map **s0ix_blocker_maps;
const u32 slp_s0_offset;
const int slp_s0_res_counter_step;
const u32 ltr_ignore_offset;
const u32 slps0_dbg_offset;
const u32 ltr_ignore_max;
const u32 pm_vric1_offset;
+ const u32 s0ix_blocker_offset;
/* Low Power Mode registers */
const int lpm_num_maps;
const int lpm_num_modes;
extern const struct pmc_bit_map lnl_vnn_req_status_3_map[];
extern const struct pmc_bit_map lnl_vnn_misc_status_map[];
extern const struct pmc_bit_map *lnl_lpm_maps[];
+extern const struct pmc_bit_map *lnl_blk_maps[];
extern const struct pmc_bit_map lnl_pfear_map[];
extern const struct pmc_bit_map *ext_lnl_pfear_map[];
+extern const struct pmc_bit_map lnl_signal_status_map[];
/* ARL */
extern const struct pmc_bit_map arl_socs_ltr_show_map[];
// SPDX-License-Identifier: GPL-2.0
/*
* This file contains platform specific structure definitions
- * and init function used by Meteor Lake PCH.
+ * and init function used by Lunar Lake PCH.
*
* Copyright (c) 2022, Intel Corporation.
* All Rights Reserved.
};
const struct pmc_bit_map lnl_power_gating_status_0_map[] = {
- {"PMC_PGD0_PG_STS", BIT(0)},
- {"FUSE_OSSE_PGD0_PG_STS", BIT(1)},
- {"ESPISPI_PGD0_PG_STS", BIT(2)},
- {"XHCI_PGD0_PG_STS", BIT(3)},
- {"SPA_PGD0_PG_STS", BIT(4)},
- {"SPB_PGD0_PG_STS", BIT(5)},
- {"SPR16B0_PGD0_PG_STS", BIT(6)},
- {"GBE_PGD0_PG_STS", BIT(7)},
- {"SBR8B7_PGD0_PG_STS", BIT(8)},
- {"SBR8B6_PGD0_PG_STS", BIT(9)},
- {"SBR16B1_PGD0_PG_STS", BIT(10)},
- {"SBR8B8_PGD0_PG_STS", BIT(11)},
- {"ESE_PGD3_PG_STS", BIT(12)},
- {"D2D_DISP_PGD0_PG_STS", BIT(13)},
- {"LPSS_PGD0_PG_STS", BIT(14)},
- {"LPC_PGD0_PG_STS", BIT(15)},
- {"SMB_PGD0_PG_STS", BIT(16)},
- {"ISH_PGD0_PG_STS", BIT(17)},
- {"SBR8B2_PGD0_PG_STS", BIT(18)},
- {"NPK_PGD0_PG_STS", BIT(19)},
- {"D2D_NOC_PGD0_PG_STS", BIT(20)},
- {"SAFSS_PGD0_PG_STS", BIT(21)},
- {"FUSE_PGD0_PG_STS", BIT(22)},
- {"D2D_DISP_PGD1_PG_STS", BIT(23)},
- {"MPFPW1_PGD0_PG_STS", BIT(24)},
- {"XDCI_PGD0_PG_STS", BIT(25)},
- {"EXI_PGD0_PG_STS", BIT(26)},
- {"CSE_PGD0_PG_STS", BIT(27)},
- {"KVMCC_PGD0_PG_STS", BIT(28)},
- {"PMT_PGD0_PG_STS", BIT(29)},
- {"CLINK_PGD0_PG_STS", BIT(30)},
- {"PTIO_PGD0_PG_STS", BIT(31)},
+ {"PMC_PGD0_PG_STS", BIT(0), 0},
+ {"FUSE_OSSE_PGD0_PG_STS", BIT(1), 0},
+ {"ESPISPI_PGD0_PG_STS", BIT(2), 0},
+ {"XHCI_PGD0_PG_STS", BIT(3), 1},
+ {"SPA_PGD0_PG_STS", BIT(4), 1},
+ {"SPB_PGD0_PG_STS", BIT(5), 1},
+ {"SPR16B0_PGD0_PG_STS", BIT(6), 0},
+ {"GBE_PGD0_PG_STS", BIT(7), 1},
+ {"SBR8B7_PGD0_PG_STS", BIT(8), 0},
+ {"SBR8B6_PGD0_PG_STS", BIT(9), 0},
+ {"SBR16B1_PGD0_PG_STS", BIT(10), 0},
+ {"SBR8B8_PGD0_PG_STS", BIT(11), 0},
+ {"ESE_PGD3_PG_STS", BIT(12), 1},
+ {"D2D_DISP_PGD0_PG_STS", BIT(13), 1},
+ {"LPSS_PGD0_PG_STS", BIT(14), 1},
+ {"LPC_PGD0_PG_STS", BIT(15), 0},
+ {"SMB_PGD0_PG_STS", BIT(16), 0},
+ {"ISH_PGD0_PG_STS", BIT(17), 0},
+ {"SBR8B2_PGD0_PG_STS", BIT(18), 0},
+ {"NPK_PGD0_PG_STS", BIT(19), 0},
+ {"D2D_NOC_PGD0_PG_STS", BIT(20), 0},
+ {"SAFSS_PGD0_PG_STS", BIT(21), 0},
+ {"FUSE_PGD0_PG_STS", BIT(22), 0},
+ {"D2D_DISP_PGD1_PG_STS", BIT(23), 1},
+ {"MPFPW1_PGD0_PG_STS", BIT(24), 0},
+ {"XDCI_PGD0_PG_STS", BIT(25), 1},
+ {"EXI_PGD0_PG_STS", BIT(26), 0},
+ {"CSE_PGD0_PG_STS", BIT(27), 1},
+ {"KVMCC_PGD0_PG_STS", BIT(28), 1},
+ {"PMT_PGD0_PG_STS", BIT(29), 1},
+ {"CLINK_PGD0_PG_STS", BIT(30), 1},
+ {"PTIO_PGD0_PG_STS", BIT(31), 1},
{}
};
const struct pmc_bit_map lnl_power_gating_status_1_map[] = {
- {"USBR0_PGD0_PG_STS", BIT(0)},
- {"SUSRAM_PGD0_PG_STS", BIT(1)},
- {"SMT1_PGD0_PG_STS", BIT(2)},
- {"U3FPW1_PGD0_PG_STS", BIT(3)},
- {"SMS2_PGD0_PG_STS", BIT(4)},
- {"SMS1_PGD0_PG_STS", BIT(5)},
- {"CSMERTC_PGD0_PG_STS", BIT(6)},
- {"CSMEPSF_PGD0_PG_STS", BIT(7)},
- {"FIA_PG_PGD0_PG_STS", BIT(8)},
- {"SBR16B4_PGD0_PG_STS", BIT(9)},
- {"P2SB8B_PGD0_PG_STS", BIT(10)},
- {"DBG_SBR_PGD0_PG_STS", BIT(11)},
- {"SBR8B9_PGD0_PG_STS", BIT(12)},
- {"OSSE_SMT1_PGD0_PG_STS", BIT(13)},
- {"SBR8B10_PGD0_PG_STS", BIT(14)},
- {"SBR16B3_PGD0_PG_STS", BIT(15)},
- {"G5FPW1_PGD0_PG_STS", BIT(16)},
- {"SBRG_PGD0_PG_STS", BIT(17)},
- {"PSF4_PGD0_PG_STS", BIT(18)},
- {"CNVI_PGD0_PG_STS", BIT(19)},
- {"USFX2_PGD0_PG_STS", BIT(20)},
- {"ENDBG_PGD0_PG_STS", BIT(21)},
- {"FIACPCB_P5X4_PGD0_PG_STS", BIT(22)},
- {"SBR8B3_PGD0_PG_STS", BIT(23)},
- {"SBR8B0_PGD0_PG_STS", BIT(24)},
- {"NPK_PGD1_PG_STS", BIT(25)},
- {"OSSE_HOTHAM_PGD0_PG_STS", BIT(26)},
- {"D2D_NOC_PGD2_PG_STS", BIT(27)},
- {"SBR8B1_PGD0_PG_STS", BIT(28)},
- {"PSF6_PGD0_PG_STS", BIT(29)},
- {"PSF7_PGD0_PG_STS", BIT(30)},
- {"FIA_U_PGD0_PG_STS", BIT(31)},
+ {"USBR0_PGD0_PG_STS", BIT(0), 1},
+ {"SUSRAM_PGD0_PG_STS", BIT(1), 1},
+ {"SMT1_PGD0_PG_STS", BIT(2), 1},
+ {"U3FPW1_PGD0_PG_STS", BIT(3), 0},
+ {"SMS2_PGD0_PG_STS", BIT(4), 1},
+ {"SMS1_PGD0_PG_STS", BIT(5), 1},
+ {"CSMERTC_PGD0_PG_STS", BIT(6), 0},
+ {"CSMEPSF_PGD0_PG_STS", BIT(7), 0},
+ {"FIA_PG_PGD0_PG_STS", BIT(8), 0},
+ {"SBR16B4_PGD0_PG_STS", BIT(9), 0},
+ {"P2SB8B_PGD0_PG_STS", BIT(10), 1},
+ {"DBG_SBR_PGD0_PG_STS", BIT(11), 0},
+ {"SBR8B9_PGD0_PG_STS", BIT(12), 0},
+ {"OSSE_SMT1_PGD0_PG_STS", BIT(13), 1},
+ {"SBR8B10_PGD0_PG_STS", BIT(14), 0},
+ {"SBR16B3_PGD0_PG_STS", BIT(15), 0},
+ {"G5FPW1_PGD0_PG_STS", BIT(16), 0},
+ {"SBRG_PGD0_PG_STS", BIT(17), 0},
+ {"PSF4_PGD0_PG_STS", BIT(18), 0},
+ {"CNVI_PGD0_PG_STS", BIT(19), 0},
+ {"USFX2_PGD0_PG_STS", BIT(20), 1},
+ {"ENDBG_PGD0_PG_STS", BIT(21), 0},
+ {"FIACPCB_P5X4_PGD0_PG_STS", BIT(22), 0},
+ {"SBR8B3_PGD0_PG_STS", BIT(23), 0},
+ {"SBR8B0_PGD0_PG_STS", BIT(24), 0},
+ {"NPK_PGD1_PG_STS", BIT(25), 0},
+ {"OSSE_HOTHAM_PGD0_PG_STS", BIT(26), 1},
+ {"D2D_NOC_PGD2_PG_STS", BIT(27), 1},
+ {"SBR8B1_PGD0_PG_STS", BIT(28), 0},
+ {"PSF6_PGD0_PG_STS", BIT(29), 0},
+ {"PSF7_PGD0_PG_STS", BIT(30), 0},
+ {"FIA_U_PGD0_PG_STS", BIT(31), 0},
{}
};
const struct pmc_bit_map lnl_power_gating_status_2_map[] = {
- {"PSF8_PGD0_PG_STS", BIT(0)},
- {"SBR16B2_PGD0_PG_STS", BIT(1)},
- {"D2D_IPU_PGD0_PG_STS", BIT(2)},
- {"FIACPCB_U_PGD0_PG_STS", BIT(3)},
- {"TAM_PGD0_PG_STS", BIT(4)},
- {"D2D_NOC_PGD1_PG_STS", BIT(5)},
- {"TBTLSX_PGD0_PG_STS", BIT(6)},
- {"THC0_PGD0_PG_STS", BIT(7)},
- {"THC1_PGD0_PG_STS", BIT(8)},
- {"PMC_PGD0_PG_STS", BIT(9)},
- {"SBR8B5_PGD0_PG_STS", BIT(10)},
- {"UFSPW1_PGD0_PG_STS", BIT(11)},
- {"DBC_PGD0_PG_STS", BIT(12)},
- {"TCSS_PGD0_PG_STS", BIT(13)},
- {"FIA_P5X4_PGD0_PG_STS", BIT(14)},
- {"DISP_PGA_PGD0_PG_STS", BIT(15)},
- {"DISP_PSF_PGD0_PG_STS", BIT(16)},
- {"PSF0_PGD0_PG_STS", BIT(17)},
- {"P2SB16B_PGD0_PG_STS", BIT(18)},
- {"ACE_PGD0_PG_STS", BIT(19)},
- {"ACE_PGD1_PG_STS", BIT(20)},
- {"ACE_PGD2_PG_STS", BIT(21)},
- {"ACE_PGD3_PG_STS", BIT(22)},
- {"ACE_PGD4_PG_STS", BIT(23)},
- {"ACE_PGD5_PG_STS", BIT(24)},
- {"ACE_PGD6_PG_STS", BIT(25)},
- {"ACE_PGD7_PG_STS", BIT(26)},
- {"ACE_PGD8_PG_STS", BIT(27)},
- {"ACE_PGD9_PG_STS", BIT(28)},
- {"ACE_PGD10_PG_STS", BIT(29)},
- {"FIACPCB_PG_PGD0_PG_STS", BIT(30)},
- {"OSSE_PGD0_PG_STS", BIT(31)},
+ {"PSF8_PGD0_PG_STS", BIT(0), 0},
+ {"SBR16B2_PGD0_PG_STS", BIT(1), 0},
+ {"D2D_IPU_PGD0_PG_STS", BIT(2), 1},
+ {"FIACPCB_U_PGD0_PG_STS", BIT(3), 0},
+ {"TAM_PGD0_PG_STS", BIT(4), 1},
+ {"D2D_NOC_PGD1_PG_STS", BIT(5), 1},
+ {"TBTLSX_PGD0_PG_STS", BIT(6), 1},
+ {"THC0_PGD0_PG_STS", BIT(7), 1},
+ {"THC1_PGD0_PG_STS", BIT(8), 1},
+ {"PMC_PGD0_PG_STS", BIT(9), 0},
+ {"SBR8B5_PGD0_PG_STS", BIT(10), 0},
+ {"UFSPW1_PGD0_PG_STS", BIT(11), 0},
+ {"DBC_PGD0_PG_STS", BIT(12), 0},
+ {"TCSS_PGD0_PG_STS", BIT(13), 0},
+ {"FIA_P5X4_PGD0_PG_STS", BIT(14), 0},
+ {"DISP_PGA_PGD0_PG_STS", BIT(15), 0},
+ {"DISP_PSF_PGD0_PG_STS", BIT(16), 0},
+ {"PSF0_PGD0_PG_STS", BIT(17), 0},
+ {"P2SB16B_PGD0_PG_STS", BIT(18), 1},
+ {"ACE_PGD0_PG_STS", BIT(19), 0},
+ {"ACE_PGD1_PG_STS", BIT(20), 0},
+ {"ACE_PGD2_PG_STS", BIT(21), 0},
+ {"ACE_PGD3_PG_STS", BIT(22), 0},
+ {"ACE_PGD4_PG_STS", BIT(23), 0},
+ {"ACE_PGD5_PG_STS", BIT(24), 0},
+ {"ACE_PGD6_PG_STS", BIT(25), 0},
+ {"ACE_PGD7_PG_STS", BIT(26), 0},
+ {"ACE_PGD8_PG_STS", BIT(27), 0},
+ {"ACE_PGD9_PG_STS", BIT(28), 0},
+ {"ACE_PGD10_PG_STS", BIT(29), 0},
+ {"FIACPCB_PG_PGD0_PG_STS", BIT(30), 0},
+ {"OSSE_PGD0_PG_STS", BIT(31), 1},
{}
};
const struct pmc_bit_map lnl_d3_status_0_map[] = {
- {"LPSS_D3_STS", BIT(3)},
- {"XDCI_D3_STS", BIT(4)},
- {"XHCI_D3_STS", BIT(5)},
- {"SPA_D3_STS", BIT(12)},
- {"SPB_D3_STS", BIT(13)},
- {"OSSE_D3_STS", BIT(15)},
- {"ESPISPI_D3_STS", BIT(18)},
- {"PSTH_D3_STS", BIT(21)},
+ {"LPSS_D3_STS", BIT(3), 1},
+ {"XDCI_D3_STS", BIT(4), 1},
+ {"XHCI_D3_STS", BIT(5), 1},
+ {"SPA_D3_STS", BIT(12), 0},
+ {"SPB_D3_STS", BIT(13), 0},
+ {"OSSE_D3_STS", BIT(15), 0},
+ {"ESPISPI_D3_STS", BIT(18), 0},
+ {"PSTH_D3_STS", BIT(21), 0},
{}
};
const struct pmc_bit_map lnl_d3_status_1_map[] = {
- {"OSSE_SMT1_D3_STS", BIT(7)},
- {"GBE_D3_STS", BIT(19)},
- {"ITSS_D3_STS", BIT(23)},
- {"CNVI_D3_STS", BIT(27)},
- {"UFSX2_D3_STS", BIT(28)},
- {"OSSE_HOTHAM_D3_STS", BIT(31)},
+ {"OSSE_SMT1_D3_STS", BIT(7), 0},
+ {"GBE_D3_STS", BIT(19), 0},
+ {"ITSS_D3_STS", BIT(23), 0},
+ {"CNVI_D3_STS", BIT(27), 0},
+ {"UFSX2_D3_STS", BIT(28), 1},
+ {"OSSE_HOTHAM_D3_STS", BIT(31), 0},
{}
};
const struct pmc_bit_map lnl_d3_status_2_map[] = {
- {"ESE_D3_STS", BIT(0)},
- {"CSMERTC_D3_STS", BIT(1)},
- {"SUSRAM_D3_STS", BIT(2)},
- {"CSE_D3_STS", BIT(4)},
- {"KVMCC_D3_STS", BIT(5)},
- {"USBR0_D3_STS", BIT(6)},
- {"ISH_D3_STS", BIT(7)},
- {"SMT1_D3_STS", BIT(8)},
- {"SMT2_D3_STS", BIT(9)},
- {"SMT3_D3_STS", BIT(10)},
- {"OSSE_SMT2_D3_STS", BIT(13)},
- {"CLINK_D3_STS", BIT(14)},
- {"PTIO_D3_STS", BIT(16)},
- {"PMT_D3_STS", BIT(17)},
- {"SMS1_D3_STS", BIT(18)},
- {"SMS2_D3_STS", BIT(19)},
+ {"ESE_D3_STS", BIT(0), 0},
+ {"CSMERTC_D3_STS", BIT(1), 0},
+ {"SUSRAM_D3_STS", BIT(2), 0},
+ {"CSE_D3_STS", BIT(4), 0},
+ {"KVMCC_D3_STS", BIT(5), 0},
+ {"USBR0_D3_STS", BIT(6), 0},
+ {"ISH_D3_STS", BIT(7), 0},
+ {"SMT1_D3_STS", BIT(8), 0},
+ {"SMT2_D3_STS", BIT(9), 0},
+ {"SMT3_D3_STS", BIT(10), 0},
+ {"OSSE_SMT2_D3_STS", BIT(13), 0},
+ {"CLINK_D3_STS", BIT(14), 0},
+ {"PTIO_D3_STS", BIT(16), 0},
+ {"PMT_D3_STS", BIT(17), 0},
+ {"SMS1_D3_STS", BIT(18), 0},
+ {"SMS2_D3_STS", BIT(19), 0},
{}
};
const struct pmc_bit_map lnl_d3_status_3_map[] = {
- {"THC0_D3_STS", BIT(14)},
- {"THC1_D3_STS", BIT(15)},
- {"OSSE_SMT3_D3_STS", BIT(21)},
- {"ACE_D3_STS", BIT(23)},
+ {"THC0_D3_STS", BIT(14), 1},
+ {"THC1_D3_STS", BIT(15), 1},
+ {"OSSE_SMT3_D3_STS", BIT(21), 0},
+ {"ACE_D3_STS", BIT(23), 0},
{}
};
const struct pmc_bit_map lnl_vnn_req_status_0_map[] = {
- {"LPSS_VNN_REQ_STS", BIT(3)},
- {"OSSE_VNN_REQ_STS", BIT(15)},
- {"ESPISPI_VNN_REQ_STS", BIT(18)},
+ {"LPSS_VNN_REQ_STS", BIT(3), 1},
+ {"OSSE_VNN_REQ_STS", BIT(15), 1},
+ {"ESPISPI_VNN_REQ_STS", BIT(18), 1},
{}
};
const struct pmc_bit_map lnl_vnn_req_status_1_map[] = {
- {"NPK_VNN_REQ_STS", BIT(4)},
- {"OSSE_SMT1_VNN_REQ_STS", BIT(7)},
- {"DFXAGG_VNN_REQ_STS", BIT(8)},
- {"EXI_VNN_REQ_STS", BIT(9)},
- {"P2D_VNN_REQ_STS", BIT(18)},
- {"GBE_VNN_REQ_STS", BIT(19)},
- {"SMB_VNN_REQ_STS", BIT(25)},
- {"LPC_VNN_REQ_STS", BIT(26)},
+ {"NPK_VNN_REQ_STS", BIT(4), 1},
+ {"OSSE_SMT1_VNN_REQ_STS", BIT(7), 1},
+ {"DFXAGG_VNN_REQ_STS", BIT(8), 0},
+ {"EXI_VNN_REQ_STS", BIT(9), 1},
+ {"P2D_VNN_REQ_STS", BIT(18), 1},
+ {"GBE_VNN_REQ_STS", BIT(19), 1},
+ {"SMB_VNN_REQ_STS", BIT(25), 1},
+ {"LPC_VNN_REQ_STS", BIT(26), 0},
{}
};
const struct pmc_bit_map lnl_vnn_req_status_2_map[] = {
- {"eSE_VNN_REQ_STS", BIT(0)},
- {"CSMERTC_VNN_REQ_STS", BIT(1)},
- {"CSE_VNN_REQ_STS", BIT(4)},
- {"ISH_VNN_REQ_STS", BIT(7)},
- {"SMT1_VNN_REQ_STS", BIT(8)},
- {"CLINK_VNN_REQ_STS", BIT(14)},
- {"SMS1_VNN_REQ_STS", BIT(18)},
- {"SMS2_VNN_REQ_STS", BIT(19)},
- {"GPIOCOM4_VNN_REQ_STS", BIT(20)},
- {"GPIOCOM3_VNN_REQ_STS", BIT(21)},
- {"GPIOCOM2_VNN_REQ_STS", BIT(22)},
- {"GPIOCOM1_VNN_REQ_STS", BIT(23)},
- {"GPIOCOM0_VNN_REQ_STS", BIT(24)},
+ {"eSE_VNN_REQ_STS", BIT(0), 1},
+ {"CSMERTC_VNN_REQ_STS", BIT(1), 1},
+ {"CSE_VNN_REQ_STS", BIT(4), 1},
+ {"ISH_VNN_REQ_STS", BIT(7), 1},
+ {"SMT1_VNN_REQ_STS", BIT(8), 1},
+ {"CLINK_VNN_REQ_STS", BIT(14), 1},
+ {"SMS1_VNN_REQ_STS", BIT(18), 1},
+ {"SMS2_VNN_REQ_STS", BIT(19), 1},
+ {"GPIOCOM4_VNN_REQ_STS", BIT(20), 1},
+ {"GPIOCOM3_VNN_REQ_STS", BIT(21), 1},
+ {"GPIOCOM2_VNN_REQ_STS", BIT(22), 0},
+ {"GPIOCOM1_VNN_REQ_STS", BIT(23), 1},
+ {"GPIOCOM0_VNN_REQ_STS", BIT(24), 1},
{}
};
const struct pmc_bit_map lnl_vnn_req_status_3_map[] = {
- {"DISP_SHIM_VNN_REQ_STS", BIT(2)},
- {"DTS0_VNN_REQ_STS", BIT(7)},
- {"GPIOCOM5_VNN_REQ_STS", BIT(11)},
+ {"DISP_SHIM_VNN_REQ_STS", BIT(2), 0},
+ {"DTS0_VNN_REQ_STS", BIT(7), 0},
+ {"GPIOCOM5_VNN_REQ_STS", BIT(11), 2},
{}
};
const struct pmc_bit_map lnl_vnn_misc_status_map[] = {
- {"CPU_C10_REQ_STS", BIT(0)},
- {"TS_OFF_REQ_STS", BIT(1)},
- {"PNDE_MET_REQ_STS", BIT(2)},
- {"PCIE_DEEP_PM_REQ_STS", BIT(3)},
- {"PMC_CLK_THROTTLE_EN_REQ_STS", BIT(4)},
- {"NPK_VNNAON_REQ_STS", BIT(5)},
- {"VNN_SOC_REQ_STS", BIT(6)},
- {"ISH_VNNAON_REQ_STS", BIT(7)},
- {"D2D_NOC_CFI_QACTIVE_REQ_STS", BIT(8)},
- {"D2D_NOC_GPSB_QACTIVE_REQ_STS", BIT(9)},
- {"D2D_NOC_IPU_QACTIVE_REQ_STS", BIT(10)},
- {"PLT_GREATER_REQ_STS", BIT(11)},
- {"PCIE_CLKREQ_REQ_STS", BIT(12)},
- {"PMC_IDLE_FB_OCP_REQ_STS", BIT(13)},
- {"PM_SYNC_STATES_REQ_STS", BIT(14)},
- {"EA_REQ_STS", BIT(15)},
- {"MPHY_CORE_OFF_REQ_STS", BIT(16)},
- {"BRK_EV_EN_REQ_STS", BIT(17)},
- {"AUTO_DEMO_EN_REQ_STS", BIT(18)},
- {"ITSS_CLK_SRC_REQ_STS", BIT(19)},
- {"LPC_CLK_SRC_REQ_STS", BIT(20)},
- {"ARC_IDLE_REQ_STS", BIT(21)},
- {"MPHY_SUS_REQ_STS", BIT(22)},
- {"FIA_DEEP_PM_REQ_STS", BIT(23)},
- {"UXD_CONNECTED_REQ_STS", BIT(24)},
- {"ARC_INTERRUPT_WAKE_REQ_STS", BIT(25)},
- {"D2D_NOC_DISP_DDI_QACTIVE_REQ_STS", BIT(26)},
- {"PRE_WAKE0_REQ_STS", BIT(27)},
- {"PRE_WAKE1_REQ_STS", BIT(28)},
- {"PRE_WAKE2_EN_REQ_STS", BIT(29)},
- {"WOV_REQ_STS", BIT(30)},
- {"D2D_NOC_DISP_EDP_QACTIVE_REQ_STS_31", BIT(31)},
+ {"CPU_C10_REQ_STS", BIT(0), 0},
+ {"TS_OFF_REQ_STS", BIT(1), 0},
+ {"PNDE_MET_REQ_STS", BIT(2), 1},
+ {"PCIE_DEEP_PM_REQ_STS", BIT(3), 0},
+ {"PMC_CLK_THROTTLE_EN_REQ_STS", BIT(4), 0},
+ {"NPK_VNNAON_REQ_STS", BIT(5), 0},
+ {"VNN_SOC_REQ_STS", BIT(6), 1},
+ {"ISH_VNNAON_REQ_STS", BIT(7), 0},
+ {"D2D_NOC_CFI_QACTIVE_REQ_STS", BIT(8), 1},
+ {"D2D_NOC_GPSB_QACTIVE_REQ_STS", BIT(9), 1},
+ {"D2D_NOC_IPU_QACTIVE_REQ_STS", BIT(10), 1},
+ {"PLT_GREATER_REQ_STS", BIT(11), 1},
+ {"PCIE_CLKREQ_REQ_STS", BIT(12), 0},
+ {"PMC_IDLE_FB_OCP_REQ_STS", BIT(13), 0},
+ {"PM_SYNC_STATES_REQ_STS", BIT(14), 0},
+ {"EA_REQ_STS", BIT(15), 0},
+ {"MPHY_CORE_OFF_REQ_STS", BIT(16), 0},
+ {"BRK_EV_EN_REQ_STS", BIT(17), 0},
+ {"AUTO_DEMO_EN_REQ_STS", BIT(18), 0},
+ {"ITSS_CLK_SRC_REQ_STS", BIT(19), 1},
+ {"LPC_CLK_SRC_REQ_STS", BIT(20), 0},
+ {"ARC_IDLE_REQ_STS", BIT(21), 0},
+ {"MPHY_SUS_REQ_STS", BIT(22), 0},
+ {"FIA_DEEP_PM_REQ_STS", BIT(23), 0},
+ {"UXD_CONNECTED_REQ_STS", BIT(24), 1},
+ {"ARC_INTERRUPT_WAKE_REQ_STS", BIT(25), 0},
+ {"D2D_NOC_DISP_DDI_QACTIVE_REQ_STS", BIT(26), 1},
+ {"PRE_WAKE0_REQ_STS", BIT(27), 1},
+ {"PRE_WAKE1_REQ_STS", BIT(28), 1},
+ {"PRE_WAKE2_EN_REQ_STS", BIT(29), 1},
+ {"WOV_REQ_STS", BIT(30), 0},
+ {"D2D_NOC_DISP_EDP_QACTIVE_REQ_STS_31", BIT(31), 1},
{}
};
const struct pmc_bit_map lnl_clocksource_status_map[] = {
- {"AON2_OFF_STS", BIT(0)},
- {"AON3_OFF_STS", BIT(1)},
- {"AON4_OFF_STS", BIT(2)},
- {"AON5_OFF_STS", BIT(3)},
- {"AON1_OFF_STS", BIT(4)},
- {"MPFPW1_0_PLL_OFF_STS", BIT(6)},
- {"USB3_PLL_OFF_STS", BIT(8)},
- {"AON3_SPL_OFF_STS", BIT(9)},
- {"G5FPW1_PLL_OFF_STS", BIT(15)},
- {"XTAL_AGGR_OFF_STS", BIT(17)},
- {"USB2_PLL_OFF_STS", BIT(18)},
- {"SAF_PLL_OFF_STS", BIT(19)},
- {"SE_TCSS_PLL_OFF_STS", BIT(20)},
- {"DDI_PLL_OFF_STS", BIT(21)},
- {"FILTER_PLL_OFF_STS", BIT(22)},
- {"ACE_PLL_OFF_STS", BIT(24)},
- {"FABRIC_PLL_OFF_STS", BIT(25)},
- {"SOC_PLL_OFF_STS", BIT(26)},
- {"REF_OFF_STS", BIT(28)},
- {"IMG_OFF_STS", BIT(29)},
- {"RTC_PLL_OFF_STS", BIT(31)},
+ {"AON2_OFF_STS", BIT(0), 0},
+ {"AON3_OFF_STS", BIT(1), 1},
+ {"AON4_OFF_STS", BIT(2), 1},
+ {"AON5_OFF_STS", BIT(3), 1},
+ {"AON1_OFF_STS", BIT(4), 0},
+ {"MPFPW1_0_PLL_OFF_STS", BIT(6), 1},
+ {"USB3_PLL_OFF_STS", BIT(8), 1},
+ {"AON3_SPL_OFF_STS", BIT(9), 1},
+ {"G5FPW1_PLL_OFF_STS", BIT(15), 1},
+ {"XTAL_AGGR_OFF_STS", BIT(17), 1},
+ {"USB2_PLL_OFF_STS", BIT(18), 0},
+ {"SAF_PLL_OFF_STS", BIT(19), 1},
+ {"SE_TCSS_PLL_OFF_STS", BIT(20), 1},
+ {"DDI_PLL_OFF_STS", BIT(21), 1},
+ {"FILTER_PLL_OFF_STS", BIT(22), 1},
+ {"ACE_PLL_OFF_STS", BIT(24), 0},
+ {"FABRIC_PLL_OFF_STS", BIT(25), 1},
+ {"SOC_PLL_OFF_STS", BIT(26), 1},
+ {"REF_OFF_STS", BIT(28), 1},
+ {"IMG_OFF_STS", BIT(29), 1},
+ {"RTC_PLL_OFF_STS", BIT(31), 0},
+ {}
+};
+
+const struct pmc_bit_map lnl_signal_status_map[] = {
+ {"LSX_Wake0_STS", BIT(0), 0},
+ {"LSX_Wake1_STS", BIT(1), 0},
+ {"LSX_Wake2_STS", BIT(2), 0},
+ {"LSX_Wake3_STS", BIT(3), 0},
+ {"LSX_Wake4_STS", BIT(4), 0},
+ {"LSX_Wake5_STS", BIT(5), 0},
+ {"LSX_Wake6_STS", BIT(6), 0},
+ {"LSX_Wake7_STS", BIT(7), 0},
+ {"LPSS_Wake0_STS", BIT(8), 1},
+ {"LPSS_Wake1_STS", BIT(9), 1},
+ {"Int_Timer_SS_Wake0_STS", BIT(10), 1},
+ {"Int_Timer_SS_Wake1_STS", BIT(11), 1},
+ {"Int_Timer_SS_Wake2_STS", BIT(12), 1},
+ {"Int_Timer_SS_Wake3_STS", BIT(13), 1},
+ {"Int_Timer_SS_Wake4_STS", BIT(14), 1},
+ {"Int_Timer_SS_Wake5_STS", BIT(15), 1},
+ {}
+};
+
+const struct pmc_bit_map lnl_rsc_status_map[] = {
+ {"Memory", 0, 1},
+ {"PSF0", 0, 1},
+ {"PSF4", 0, 1},
+ {"PSF6", 0, 1},
+ {"PSF7", 0, 1},
+ {"PSF8", 0, 1},
+ {"SAF_CFI_LINK", 0, 1},
+ {"SBR", 0, 1},
{}
};
lnl_vnn_req_status_2_map,
lnl_vnn_req_status_3_map,
lnl_vnn_misc_status_map,
- mtl_socm_signal_status_map,
+ lnl_signal_status_map,
+ NULL
+};
+
+const struct pmc_bit_map *lnl_blk_maps[] = {
+ lnl_power_gating_status_0_map,
+ lnl_power_gating_status_1_map,
+ lnl_power_gating_status_2_map,
+ lnl_rsc_status_map,
+ lnl_vnn_req_status_0_map,
+ lnl_vnn_req_status_1_map,
+ lnl_vnn_req_status_2_map,
+ lnl_vnn_req_status_3_map,
+ lnl_d3_status_0_map,
+ lnl_d3_status_1_map,
+ lnl_d3_status_2_map,
+ lnl_d3_status_3_map,
+ lnl_clocksource_status_map,
+ lnl_vnn_misc_status_map,
+ lnl_signal_status_map,
NULL
};
.lpm_sts = lnl_lpm_maps,
.lpm_status_offset = MTL_LPM_STATUS_OFFSET,
.lpm_live_status_offset = MTL_LPM_LIVE_STATUS_OFFSET,
+ .s0ix_blocker_maps = lnl_blk_maps,
+ .s0ix_blocker_offset = LNL_S0IX_BLOCKER_OFFSET,
};
#define LNL_NPU_PCI_DEV 0x643e
#include <linux/iopoll.h>
#include <linux/kernel.h>
#include <linux/module.h>
+#include <linux/overflow.h>
#include <linux/pci.h>
#include <linux/slab.h>
#include <linux/sysfs.h>
#define CTRL_OWNER GENMASK(5, 4)
#define CTRL_COMPLETE BIT(6)
#define CTRL_READY BIT(7)
+#define CTRL_INBAND_LOCK BIT(32)
+#define CTRL_METER_ENABLE_DRAM BIT(33)
#define CTRL_STATUS GENMASK(15, 8)
#define CTRL_PACKET_SIZE GENMASK(31, 16)
#define CTRL_MSG_SIZE GENMASK(63, 48)
struct sdsi_mbox_info {
u64 *payload;
void *buffer;
+ u64 control_flags;
int size;
};
}
}
-static int sdsi_mbox_cmd_read(struct sdsi_priv *priv, struct sdsi_mbox_info *info,
- size_t *data_size)
+static int sdsi_mbox_poll(struct sdsi_priv *priv, struct sdsi_mbox_info *info,
+ size_t *data_size)
{
struct device *dev = priv->dev;
u32 total, loop, eom, status, message_size;
lockdep_assert_held(&priv->mb_lock);
- /* Format and send the read command */
- control = FIELD_PREP(CTRL_EOM, 1) |
- FIELD_PREP(CTRL_SOM, 1) |
- FIELD_PREP(CTRL_RUN_BUSY, 1) |
- FIELD_PREP(CTRL_PACKET_SIZE, info->size);
- writeq(control, priv->control_addr);
-
/* For reads, data sizes that are larger than the mailbox size are read in packets. */
total = 0;
loop = 0;
do {
- void *buf = info->buffer + (SDSI_SIZE_MAILBOX * loop);
u32 packet_size;
/* Poll on ready bit */
if (ret)
break;
+ if (!packet_size) {
+ sdsi_complete_transaction(priv);
+ break;
+ }
+
/* Only the last packet can be less than the mailbox size. */
if (!eom && packet_size != SDSI_SIZE_MAILBOX) {
dev_err(dev, "Invalid packet size\n");
break;
}
- sdsi_memcpy64_fromio(buf, priv->mbox_addr, round_up(packet_size, SDSI_SIZE_CMD));
+ if (info->buffer) {
+ void *buf = info->buffer + array_size(SDSI_SIZE_MAILBOX, loop);
- total += packet_size;
+ sdsi_memcpy64_fromio(buf, priv->mbox_addr,
+ round_up(packet_size, SDSI_SIZE_CMD));
+ total += packet_size;
+ }
sdsi_complete_transaction(priv);
} while (!eom && ++loop < MBOX_MAX_PACKETS);
dev_warn(dev, "Read count %u differs from expected count %u\n",
total, message_size);
- *data_size = total;
+ if (data_size)
+ *data_size = total;
return 0;
}
-static int sdsi_mbox_cmd_write(struct sdsi_priv *priv, struct sdsi_mbox_info *info)
+static int sdsi_mbox_cmd_read(struct sdsi_priv *priv, struct sdsi_mbox_info *info,
+ size_t *data_size)
+{
+ u64 control;
+
+ lockdep_assert_held(&priv->mb_lock);
+
+ /* Format and send the read command */
+ control = FIELD_PREP(CTRL_EOM, 1) |
+ FIELD_PREP(CTRL_SOM, 1) |
+ FIELD_PREP(CTRL_RUN_BUSY, 1) |
+ FIELD_PREP(CTRL_PACKET_SIZE, info->size) |
+ info->control_flags;
+ writeq(control, priv->control_addr);
+
+ return sdsi_mbox_poll(priv, info, data_size);
+}
+
+static int sdsi_mbox_cmd_write(struct sdsi_priv *priv, struct sdsi_mbox_info *info,
+ size_t *data_size)
{
u64 control;
- u32 status;
- int ret;
lockdep_assert_held(&priv->mb_lock);
FIELD_PREP(CTRL_SOM, 1) |
FIELD_PREP(CTRL_RUN_BUSY, 1) |
FIELD_PREP(CTRL_READ_WRITE, 1) |
+ FIELD_PREP(CTRL_MSG_SIZE, info->size) |
FIELD_PREP(CTRL_PACKET_SIZE, info->size);
writeq(control, priv->control_addr);
- /* Poll on ready bit */
- ret = readq_poll_timeout(priv->control_addr, control, control & CTRL_READY,
- MBOX_POLLING_PERIOD_US, MBOX_TIMEOUT_US);
-
- if (ret)
- goto release_mbox;
-
- status = FIELD_GET(CTRL_STATUS, control);
- ret = sdsi_status_to_errno(status);
-
-release_mbox:
- sdsi_complete_transaction(priv);
-
- return ret;
+ return sdsi_mbox_poll(priv, info, data_size);
}
static int sdsi_mbox_acquire(struct sdsi_priv *priv, struct sdsi_mbox_info *info)
return ret;
}
-static int sdsi_mbox_write(struct sdsi_priv *priv, struct sdsi_mbox_info *info)
+static int sdsi_mbox_write(struct sdsi_priv *priv, struct sdsi_mbox_info *info,
+ size_t *data_size)
{
int ret;
if (ret)
return ret;
- return sdsi_mbox_cmd_write(priv, info);
+ return sdsi_mbox_cmd_write(priv, info, data_size);
}
static int sdsi_mbox_read(struct sdsi_priv *priv, struct sdsi_mbox_info *info, size_t *data_size)
return sdsi_mbox_cmd_read(priv, info, data_size);
}
+static bool sdsi_ib_locked(struct sdsi_priv *priv)
+{
+ return !!FIELD_GET(CTRL_INBAND_LOCK, readq(priv->control_addr));
+}
+
static ssize_t sdsi_provision(struct sdsi_priv *priv, char *buf, size_t count,
enum sdsi_command command)
{
- struct sdsi_mbox_info info;
+ struct sdsi_mbox_info info = {};
int ret;
if (count > (SDSI_SIZE_WRITE_MSG - SDSI_SIZE_CMD))
return -EOVERFLOW;
+ /* Make sure In-band lock is not set */
+ if (sdsi_ib_locked(priv))
+ return -EPERM;
+
/* Qword aligned message + command qword */
info.size = round_up(count, SDSI_SIZE_CMD) + SDSI_SIZE_CMD;
ret = mutex_lock_interruptible(&priv->mb_lock);
if (ret)
goto free_payload;
- ret = sdsi_mbox_write(priv, &info);
+
+ ret = sdsi_mbox_write(priv, &info, NULL);
+
mutex_unlock(&priv->mb_lock);
free_payload:
static BIN_ATTR_WO(provision_cap, SDSI_SIZE_WRITE_MSG);
static ssize_t
-certificate_read(u64 command, struct sdsi_priv *priv, char *buf, loff_t off,
- size_t count)
+certificate_read(u64 command, u64 control_flags, struct sdsi_priv *priv,
+ char *buf, loff_t off, size_t count)
{
- struct sdsi_mbox_info info;
+ struct sdsi_mbox_info info = {};
size_t size;
int ret;
info.payload = &command;
info.size = sizeof(command);
+ info.control_flags = control_flags;
ret = mutex_lock_interruptible(&priv->mb_lock);
if (ret)
struct device *dev = kobj_to_dev(kobj);
struct sdsi_priv *priv = dev_get_drvdata(dev);
- return certificate_read(SDSI_CMD_READ_STATE, priv, buf, off, count);
+ return certificate_read(SDSI_CMD_READ_STATE, 0, priv, buf, off, count);
}
static BIN_ATTR_ADMIN_RO(state_certificate, SDSI_SIZE_READ_MSG);
struct device *dev = kobj_to_dev(kobj);
struct sdsi_priv *priv = dev_get_drvdata(dev);
- return certificate_read(SDSI_CMD_READ_METER, priv, buf, off, count);
+ return certificate_read(SDSI_CMD_READ_METER, 0, priv, buf, off, count);
}
static BIN_ATTR_ADMIN_RO(meter_certificate, SDSI_SIZE_READ_MSG);
+static ssize_t
+meter_current_read(struct file *filp, struct kobject *kobj,
+ struct bin_attribute *attr, char *buf, loff_t off,
+ size_t count)
+{
+ struct device *dev = kobj_to_dev(kobj);
+ struct sdsi_priv *priv = dev_get_drvdata(dev);
+
+ return certificate_read(SDSI_CMD_READ_METER, CTRL_METER_ENABLE_DRAM,
+ priv, buf, off, count);
+}
+static BIN_ATTR_ADMIN_RO(meter_current, SDSI_SIZE_READ_MSG);
+
static ssize_t registers_read(struct file *filp, struct kobject *kobj,
struct bin_attribute *attr, char *buf, loff_t off,
size_t count)
&bin_attr_registers,
&bin_attr_state_certificate,
&bin_attr_meter_certificate,
+ &bin_attr_meter_current,
&bin_attr_provision_akc,
&bin_attr_provision_cap,
NULL
if (!(priv->features & SDSI_FEATURE_SDSI))
return 0;
- if (attr == &bin_attr_meter_certificate)
+ if (attr == &bin_attr_meter_certificate || attr == &bin_attr_meter_current)
return (priv->features & SDSI_FEATURE_METERING) ?
attr->attr.mode : 0;
}
EXPORT_SYMBOL_GPL(isst_if_cdev_unregister);
+MODULE_DESCRIPTION("ISST common interface module");
MODULE_LICENSE("GPL v2");
* the hardware mapping.
*/
+#define dev_fmt(fmt) "tpmi_sst: " fmt
+
#include <linux/auxiliary_bus.h>
#include <linux/delay.h>
#include <linux/intel_tpmi.h>
#include <linux/fs.h>
#include <linux/io.h>
#include <linux/kernel.h>
+#include <linux/minmax.h>
#include <linux/module.h>
#include <uapi/linux/isst_if.h>
bool write_blocked;
};
+/* Supported maximum partitions */
+#define SST_MAX_PARTITIONS 2
+
/**
* struct tpmi_sst_struct - Store sst info for a package
* @package_id: Package id for this aux device instance
* @number_of_power_domains: Number of power_domains pointed by power_domain_info pointer
* @power_domain_info: Pointer to power domains information
+ * @cdie_mask: Mask of compute dies present in a partition from hardware.
+ * This mask is not present in the version 1 information header.
+ * @io_dies: Number of IO dies in a partition. This will be 0 for TPMI
+ * version 1 information header.
+ * @partition_mask: Mask of all partitions.
+ * @partition_mask_current: Current partition mask as some may have been unbound.
*
* This structure is used store full SST information for a package.
- * Each package has a unique OOB PCI device, which enumerates TPMI.
- * Each Package will have multiple power_domains.
+ * Each package has one or multiple OOB PCI devices. Each package can contain multiple
+ * power domains.
*/
struct tpmi_sst_struct {
int package_id;
- int number_of_power_domains;
- struct tpmi_per_power_domain_info *power_domain_info;
+ struct tpmi_per_power_domain_info *power_domain_info[SST_MAX_PARTITIONS];
+ u16 cdie_mask[SST_MAX_PARTITIONS];
+ u8 number_of_power_domains[SST_MAX_PARTITIONS];
+ u8 io_dies[SST_MAX_PARTITIONS];
+ u8 partition_mask;
+ u8 partition_mask_current;
};
/**
struct tpmi_per_power_domain_info *pd_info,
int levels)
{
+ struct device *dev = &auxdev->dev;
u64 perf_level_offsets;
int i;
- pd_info->perf_levels = devm_kcalloc(&auxdev->dev, levels,
- sizeof(struct perf_level),
- GFP_KERNEL);
+ pd_info->perf_levels = devm_kcalloc(dev, levels, sizeof(struct perf_level), GFP_KERNEL);
if (!pd_info->perf_levels)
return 0;
static int sst_main(struct auxiliary_device *auxdev, struct tpmi_per_power_domain_info *pd_info)
{
+ struct device *dev = &auxdev->dev;
int i, mask, levels;
*((u64 *)&pd_info->sst_header) = readq(pd_info->sst_base);
return -ENODEV;
if (TPMI_MAJOR_VERSION(pd_info->sst_header.interface_version) != ISST_MAJOR_VERSION) {
- dev_err(&auxdev->dev, "SST: Unsupported major version:%lx\n",
+ dev_err(dev, "SST: Unsupported major version:%lx\n",
TPMI_MAJOR_VERSION(pd_info->sst_header.interface_version));
return -ENODEV;
}
if (TPMI_MINOR_VERSION(pd_info->sst_header.interface_version) != ISST_MINOR_VERSION)
- dev_info(&auxdev->dev, "SST: Ignore: Unsupported minor version:%lx\n",
+ dev_info(dev, "SST: Ignore: Unsupported minor version:%lx\n",
TPMI_MINOR_VERSION(pd_info->sst_header.interface_version));
/* Read SST CP Header */
return 0;
}
+static u8 isst_instance_count(struct tpmi_sst_struct *sst_inst)
+{
+ u8 i, max_part, count = 0;
+
+ /* Partition mask starts from bit 0 and contains 1s only */
+ max_part = hweight8(sst_inst->partition_mask);
+ for (i = 0; i < max_part; i++)
+ count += sst_inst->number_of_power_domains[i];
+
+ return count;
+}
+
+/**
+ * map_cdies() - Map user domain ID to compute domain ID
+ * @sst_inst: TPMI Instance
+ * @id: User domain ID
+ * @partition: Resolved partition
+ *
+ * Helper function to map_partition_power_domain_id() to resolve compute
+ * domain ID and partition. Use hardware provided cdie_mask for a partition
+ * as is to resolve a compute domain ID.
+ *
+ * Return: %-EINVAL on error, otherwise mapped domain ID >= 0.
+ */
+static int map_cdies(struct tpmi_sst_struct *sst_inst, u8 id, u8 *partition)
+{
+ u8 i, max_part;
+
+ max_part = hweight8(sst_inst->partition_mask);
+ for (i = 0; i < max_part; i++) {
+ if (!(sst_inst->cdie_mask[i] & BIT(id)))
+ continue;
+
+ *partition = i;
+ return id - ffs(sst_inst->cdie_mask[i]) + 1;
+ }
+
+ return -EINVAL;
+}
+
+/**
+ * map_partition_power_domain_id() - Map user domain ID to partition domain ID
+ * @sst_inst: TPMI Instance
+ * @id: User domain ID
+ * @partition: Resolved partition
+ *
+ * In a partitioned system a CPU package has two separate MMIO ranges (Under
+ * two PCI devices). But the CPU package compute die/power domain IDs are
+ * unique in a package. User space can get compute die/power domain ID from
+ * CPUID and MSR 0x54 for a CPU. So, those IDs need to be preserved even if
+ * they are present in two different partitions with its own order.
+ *
+ * For example for command ISST_IF_COUNT_TPMI_INSTANCES, the valid_mask
+ * is 111111b for a 4 compute and 2 IO dies system. This is presented as
+ * provided by the hardware in a non-partitioned system with the following
+ * order:
+ * I1-I0-C3-C2-C1-C0
+ * Here: "C": for compute and "I" for IO die.
+ * Compute dies are always present first in TPMI instances, as they have
+ * to map to the real power domain/die ID of a system. In a non-partitioned
+ * system there is no way to identify compute and IO die boundaries from
+ * this driver without reading each CPU's mapping.
+ *
+ * The same order needs to be preserved, even if those compute dies are
+ * distributed among multiple partitions. For example:
+ * Partition 1 can contain: I1-C1-C0
+ * Partition 2 can contain: I2-C3-C2
+ *
+ * This will require a conversion of user space IDs to the actual index into
+ * array of stored power domains for each partition. For the above example
+ * this function will return partition and index as follows:
+ *
+ * ============= ========= ===== ========
+ * User space ID Partition Index Die type
+ * ============= ========= ===== ========
+ * 0 0 0 Compute
+ * 1 0 1 Compute
+ * 2 1 0 Compute
+ * 3 1 1 Compute
+ * 4 0 2 IO
+ * 5 1 2 IO
+ * ============= ========= ===== ========
+ *
+ * Return: %-EINVAL on error, otherwise mapped domain ID >= 0.
+ */
+static int map_partition_power_domain_id(struct tpmi_sst_struct *sst_inst, u8 id, u8 *partition)
+{
+ u8 i, io_start_id, max_part;
+
+ *partition = 0;
+
+ /* If any PCI device for partition is unbound, treat this as failure */
+ if (sst_inst->partition_mask != sst_inst->partition_mask_current)
+ return -EINVAL;
+
+ max_part = hweight8(sst_inst->partition_mask);
+
+ /* IO Index begin here */
+ io_start_id = fls(sst_inst->cdie_mask[max_part - 1]);
+
+ if (id < io_start_id)
+ return map_cdies(sst_inst, id, partition);
+
+ for (i = 0; i < max_part; i++) {
+ u8 io_id;
+
+ io_id = id - io_start_id;
+ if (io_id < sst_inst->io_dies[i]) {
+ u8 cdie_range;
+
+ cdie_range = fls(sst_inst->cdie_mask[i]) - ffs(sst_inst->cdie_mask[i]) + 1;
+ *partition = i;
+ return cdie_range + io_id;
+ }
+ io_start_id += sst_inst->io_dies[i];
+ }
+
+ return -EINVAL;
+}
+
/*
* Map a package and power_domain id to SST information structure unique for a power_domain.
* The caller should call under isst_tpmi_dev_lock.
{
struct tpmi_per_power_domain_info *power_domain_info;
struct tpmi_sst_struct *sst_inst;
+ u8 part;
- if (pkg_id < 0 || pkg_id > isst_common.max_index ||
- pkg_id >= topology_max_packages())
+ if (!in_range(pkg_id, 0, topology_max_packages()) || pkg_id > isst_common.max_index)
return NULL;
sst_inst = isst_common.sst_inst[pkg_id];
if (!sst_inst)
return NULL;
- if (power_domain_id < 0 || power_domain_id >= sst_inst->number_of_power_domains)
+ power_domain_id = map_partition_power_domain_id(sst_inst, power_domain_id, &part);
+ if (power_domain_id < 0)
return NULL;
- power_domain_info = &sst_inst->power_domain_info[power_domain_id];
+ power_domain_info = &sst_inst->power_domain_info[part][power_domain_id];
if (power_domain_info && !power_domain_info->sst_base)
return NULL;
struct tpmi_sst_struct *sst_inst;
int offset, shift, cpu;
u64 val, mask, clos;
+ u8 part;
if (copy_from_user(&clos_assoc, ptr, sizeof(clos_assoc)))
return -EFAULT;
sst_inst = isst_common.sst_inst[pkg_id];
- if (clos_assoc.power_domain_id > sst_inst->number_of_power_domains)
+ punit_id = map_partition_power_domain_id(sst_inst, punit_id, &part);
+ if (punit_id < 0)
return -EINVAL;
- power_domain_info = &sst_inst->power_domain_info[punit_id];
+ power_domain_info = &sst_inst->power_domain_info[part][punit_id];
if (assoc_cmds.get_set && power_domain_info->write_blocked)
return -EPERM;
{
struct isst_perf_level_info perf_level;
struct tpmi_per_power_domain_info *power_domain_info;
+ unsigned long level_mask;
+ u8 level, support;
if (copy_from_user(&perf_level, argp, sizeof(perf_level)))
return -EFAULT;
SST_PP_FEATURE_STATE_START, SST_PP_FEATURE_STATE_WIDTH, SST_MUL_FACTOR_NONE)
perf_level.enabled = !!(power_domain_info->sst_header.cap_mask & BIT(1));
- _read_bf_level_info("bf_support", perf_level.sst_bf_support, 0, 0,
- SST_BF_FEATURE_SUPPORTED_START, SST_BF_FEATURE_SUPPORTED_WIDTH,
- SST_MUL_FACTOR_NONE);
- _read_tf_level_info("tf_support", perf_level.sst_tf_support, 0, 0,
- SST_TF_FEATURE_SUPPORTED_START, SST_TF_FEATURE_SUPPORTED_WIDTH,
- SST_MUL_FACTOR_NONE);
+ level_mask = perf_level.level_mask;
+ perf_level.sst_bf_support = 0;
+ for_each_set_bit(level, &level_mask, BITS_PER_BYTE) {
+ /*
+ * Read BF support for a level. Read output is updated
+ * to "support" variable by the below macro.
+ */
+ _read_bf_level_info("bf_support", support, level, 0, SST_BF_FEATURE_SUPPORTED_START,
+ SST_BF_FEATURE_SUPPORTED_WIDTH, SST_MUL_FACTOR_NONE);
+
+ /* If supported set the bit for the level */
+ if (support)
+ perf_level.sst_bf_support |= BIT(level);
+ }
+
+ perf_level.sst_tf_support = 0;
+ for_each_set_bit(level, &level_mask, BITS_PER_BYTE) {
+ /*
+ * Read TF support for a level. Read output is updated
+ * to "support" variable by the below macro.
+ */
+ _read_tf_level_info("tf_support", support, level, 0, SST_TF_FEATURE_SUPPORTED_START,
+ SST_TF_FEATURE_SUPPORTED_WIDTH, SST_MUL_FACTOR_NONE);
+
+ /* If supported set the bit for the level */
+ if (support)
+ perf_level.sst_tf_support |= BIT(level);
+ }
if (copy_to_user(argp, &perf_level, sizeof(perf_level)))
return -EFAULT;
if (tpmi_inst.socket_id >= topology_max_packages())
return -EINVAL;
- tpmi_inst.count = isst_common.sst_inst[tpmi_inst.socket_id]->number_of_power_domains;
-
sst_inst = isst_common.sst_inst[tpmi_inst.socket_id];
+
+ tpmi_inst.count = isst_instance_count(sst_inst);
+
tpmi_inst.valid_mask = 0;
- for (i = 0; i < sst_inst->number_of_power_domains; ++i) {
+ for (i = 0; i < tpmi_inst.count; i++) {
struct tpmi_per_power_domain_info *pd_info;
+ u8 part;
+ int pd;
- pd_info = &sst_inst->power_domain_info[i];
+ pd = map_partition_power_domain_id(sst_inst, i, &part);
+ if (pd < 0)
+ continue;
+
+ pd_info = &sst_inst->power_domain_info[part][pd];
if (pd_info->sst_base)
tpmi_inst.valid_mask |= BIT(i);
}
+ if (!tpmi_inst.valid_mask)
+ tpmi_inst.count = 0;
+
if (copy_to_user(argp, &tpmi_inst, sizeof(tpmi_inst)))
return -EFAULT;
int tpmi_sst_dev_add(struct auxiliary_device *auxdev)
{
+ struct tpmi_per_power_domain_info *pd_info;
bool read_blocked = 0, write_blocked = 0;
struct intel_tpmi_plat_info *plat_info;
+ struct device *dev = &auxdev->dev;
struct tpmi_sst_struct *tpmi_sst;
- int i, ret, pkg = 0, inst = 0;
- int num_resources;
+ u8 i, num_resources, io_die_cnt;
+ int ret, pkg = 0, inst = 0;
+ bool first_enum = false;
+ u16 cdie_mask;
+ u8 partition;
ret = tpmi_get_feature_status(auxdev, TPMI_ID_SST, &read_blocked, &write_blocked);
if (ret)
- dev_info(&auxdev->dev, "Can't read feature status: ignoring read/write blocked status\n");
+ dev_info(dev, "Can't read feature status: ignoring read/write blocked status\n");
if (read_blocked) {
- dev_info(&auxdev->dev, "Firmware has blocked reads, exiting\n");
+ dev_info(dev, "Firmware has blocked reads, exiting\n");
return -ENODEV;
}
plat_info = tpmi_get_platform_data(auxdev);
if (!plat_info) {
- dev_err(&auxdev->dev, "No platform info\n");
+ dev_err(dev, "No platform info\n");
return -EINVAL;
}
pkg = plat_info->package_id;
if (pkg >= topology_max_packages()) {
- dev_err(&auxdev->dev, "Invalid package id :%x\n", pkg);
+ dev_err(dev, "Invalid package id :%x\n", pkg);
return -EINVAL;
}
- if (isst_common.sst_inst[pkg])
- return -EEXIST;
+ partition = plat_info->partition;
+ if (partition >= SST_MAX_PARTITIONS) {
+ dev_err(&auxdev->dev, "Invalid partition :%x\n", partition);
+ return -EINVAL;
+ }
num_resources = tpmi_get_resource_count(auxdev);
if (!num_resources)
return -EINVAL;
- tpmi_sst = devm_kzalloc(&auxdev->dev, sizeof(*tpmi_sst), GFP_KERNEL);
- if (!tpmi_sst)
- return -ENOMEM;
+ mutex_lock(&isst_tpmi_dev_lock);
+
+ if (isst_common.sst_inst[pkg]) {
+ tpmi_sst = isst_common.sst_inst[pkg];
+ } else {
+ /*
+ * tpmi_sst instance is for a package. So needs to be
+ * allocated only once for both partitions. We can't use
+ * devm_* allocation here as each partition is a
+ * different device, which can be unbound.
+ */
+ tpmi_sst = kzalloc(sizeof(*tpmi_sst), GFP_KERNEL);
+ if (!tpmi_sst) {
+ ret = -ENOMEM;
+ goto unlock_exit;
+ }
+ first_enum = true;
+ }
- tpmi_sst->power_domain_info = devm_kcalloc(&auxdev->dev, num_resources,
- sizeof(*tpmi_sst->power_domain_info),
- GFP_KERNEL);
- if (!tpmi_sst->power_domain_info)
- return -ENOMEM;
+ ret = 0;
- tpmi_sst->number_of_power_domains = num_resources;
+ pd_info = devm_kcalloc(dev, num_resources, sizeof(*pd_info), GFP_KERNEL);
+ if (!pd_info) {
+ ret = -ENOMEM;
+ goto unlock_free;
+ }
+
+ /* Get the IO die count, if cdie_mask is present */
+ if (plat_info->cdie_mask) {
+ u8 cdie_range;
+
+ cdie_mask = plat_info->cdie_mask;
+ cdie_range = fls(cdie_mask) - ffs(cdie_mask) + 1;
+ io_die_cnt = num_resources - cdie_range;
+ } else {
+ /*
+ * This is a synthetic mask, careful when assuming that
+ * they are compute dies only.
+ */
+ cdie_mask = (1 << num_resources) - 1;
+ io_die_cnt = 0;
+ }
for (i = 0; i < num_resources; ++i) {
struct resource *res;
res = tpmi_get_resource_at_index(auxdev, i);
if (!res) {
- tpmi_sst->power_domain_info[i].sst_base = NULL;
+ pd_info[i].sst_base = NULL;
continue;
}
- tpmi_sst->power_domain_info[i].package_id = pkg;
- tpmi_sst->power_domain_info[i].power_domain_id = i;
- tpmi_sst->power_domain_info[i].auxdev = auxdev;
- tpmi_sst->power_domain_info[i].write_blocked = write_blocked;
- tpmi_sst->power_domain_info[i].sst_base = devm_ioremap_resource(&auxdev->dev, res);
- if (IS_ERR(tpmi_sst->power_domain_info[i].sst_base))
- return PTR_ERR(tpmi_sst->power_domain_info[i].sst_base);
+ pd_info[i].package_id = pkg;
+ pd_info[i].power_domain_id = i;
+ pd_info[i].auxdev = auxdev;
+ pd_info[i].write_blocked = write_blocked;
+ pd_info[i].sst_base = devm_ioremap_resource(dev, res);
+ if (IS_ERR(pd_info[i].sst_base)) {
+ ret = PTR_ERR(pd_info[i].sst_base);
+ goto unlock_free;
+ }
- ret = sst_main(auxdev, &tpmi_sst->power_domain_info[i]);
+ ret = sst_main(auxdev, &pd_info[i]);
if (ret) {
- devm_iounmap(&auxdev->dev, tpmi_sst->power_domain_info[i].sst_base);
- tpmi_sst->power_domain_info[i].sst_base = NULL;
+ /*
+ * This entry is not valid, hardware can partially
+ * populate dies. In this case MMIO will have 0xFFs.
+ * Also possible some pre-production hardware has
+ * invalid data. But don't fail and continue to use
+ * other dies with valid data.
+ */
+ devm_iounmap(dev, pd_info[i].sst_base);
+ pd_info[i].sst_base = NULL;
continue;
}
++inst;
}
- if (!inst)
- return -ENODEV;
+ if (!inst) {
+ ret = -ENODEV;
+ goto unlock_free;
+ }
tpmi_sst->package_id = pkg;
+
+ tpmi_sst->power_domain_info[partition] = pd_info;
+ tpmi_sst->number_of_power_domains[partition] = num_resources;
+ tpmi_sst->cdie_mask[partition] = cdie_mask;
+ tpmi_sst->io_dies[partition] = io_die_cnt;
+ tpmi_sst->partition_mask |= BIT(partition);
+ tpmi_sst->partition_mask_current |= BIT(partition);
+
auxiliary_set_drvdata(auxdev, tpmi_sst);
- mutex_lock(&isst_tpmi_dev_lock);
if (isst_common.max_index < pkg)
isst_common.max_index = pkg;
isst_common.sst_inst[pkg] = tpmi_sst;
+
+unlock_free:
+ if (ret && first_enum)
+ kfree(tpmi_sst);
+unlock_exit:
mutex_unlock(&isst_tpmi_dev_lock);
- return 0;
+ return ret;
}
EXPORT_SYMBOL_NS_GPL(tpmi_sst_dev_add, INTEL_TPMI_SST);
void tpmi_sst_dev_remove(struct auxiliary_device *auxdev)
{
struct tpmi_sst_struct *tpmi_sst = auxiliary_get_drvdata(auxdev);
+ struct intel_tpmi_plat_info *plat_info;
+
+ plat_info = tpmi_get_platform_data(auxdev);
+ if (!plat_info)
+ return;
mutex_lock(&isst_tpmi_dev_lock);
- isst_common.sst_inst[tpmi_sst->package_id] = NULL;
+ tpmi_sst->power_domain_info[plat_info->partition] = NULL;
+ tpmi_sst->partition_mask_current &= ~BIT(plat_info->partition);
+ /* Free the package instance when the all partitions are removed */
+ if (!tpmi_sst->partition_mask_current) {
+ kfree(tpmi_sst);
+ isst_common.sst_inst[tpmi_sst->package_id] = NULL;
+ }
mutex_unlock(&isst_tpmi_dev_lock);
}
EXPORT_SYMBOL_NS_GPL(tpmi_sst_dev_remove, INTEL_TPMI_SST);
void tpmi_sst_dev_suspend(struct auxiliary_device *auxdev)
{
struct tpmi_sst_struct *tpmi_sst = auxiliary_get_drvdata(auxdev);
- struct tpmi_per_power_domain_info *power_domain_info = tpmi_sst->power_domain_info;
+ struct tpmi_per_power_domain_info *power_domain_info;
+ struct intel_tpmi_plat_info *plat_info;
void __iomem *cp_base;
+ plat_info = tpmi_get_platform_data(auxdev);
+ if (!plat_info)
+ return;
+
+ power_domain_info = tpmi_sst->power_domain_info[plat_info->partition];
+
cp_base = power_domain_info->sst_base + power_domain_info->sst_header.cp_offset;
power_domain_info->saved_sst_cp_control = readq(cp_base + SST_CP_CONTROL_OFFSET);
void tpmi_sst_dev_resume(struct auxiliary_device *auxdev)
{
struct tpmi_sst_struct *tpmi_sst = auxiliary_get_drvdata(auxdev);
- struct tpmi_per_power_domain_info *power_domain_info = tpmi_sst->power_domain_info;
+ struct tpmi_per_power_domain_info *power_domain_info;
+ struct intel_tpmi_plat_info *plat_info;
void __iomem *cp_base;
+ plat_info = tpmi_get_platform_data(auxdev);
+ if (!plat_info)
+ return;
+
+ power_domain_info = tpmi_sst->power_domain_info[plat_info->partition];
+
cp_base = power_domain_info->sst_base + power_domain_info->sst_header.cp_offset;
writeq(power_domain_info->saved_sst_cp_control, cp_base + SST_CP_CONTROL_OFFSET);
}
EXPORT_SYMBOL_NS_GPL(tpmi_sst_dev_resume, INTEL_TPMI_SST);
-#define ISST_TPMI_API_VERSION 0x02
+#define ISST_TPMI_API_VERSION 0x03
int tpmi_sst_init(void)
{
MODULE_IMPORT_NS(INTEL_TPMI);
MODULE_IMPORT_NS(INTEL_TPMI_POWER_DOMAIN);
+MODULE_DESCRIPTION("ISST TPMI interface module");
MODULE_LICENSE("GPL");
* @dev: PCI device number
* @bus: PCI bus number
* @pkg: CPU Package id
+ * @segment: PCI segment id
+ * @partition: Package Partition id
+ * @cdie_mask: Bitmap of compute dies in the current partition
* @reserved: Reserved for future use
* @lock: When set to 1 the register is locked and becomes read-only
* until next reset. Not for use by the OS driver.
u64 dev:5;
u64 bus:8;
u64 pkg:8;
- u64 reserved:39;
+ u64 segment:8;
+ u64 partition:2;
+ u64 cdie_mask:16;
+ u64 reserved:13;
u64 lock:1;
} __packed;
}
#define TPMI_INFO_BUS_INFO_OFFSET 0x08
+#define TPMI_INFO_MAJOR_VERSION 0x00
+#define TPMI_INFO_MINOR_VERSION 0x02
static int tpmi_process_info(struct intel_tpmi_info *tpmi_info,
struct intel_tpmi_pm_feature *pfs)
{
struct tpmi_info_header header;
void __iomem *info_mem;
+ u64 feature_header;
+ int ret = 0;
- info_mem = ioremap(pfs->vsec_offset + TPMI_INFO_BUS_INFO_OFFSET,
- pfs->pfs_header.entry_size * sizeof(u32) - TPMI_INFO_BUS_INFO_OFFSET);
+ info_mem = ioremap(pfs->vsec_offset, pfs->pfs_header.entry_size * sizeof(u32));
if (!info_mem)
return -ENOMEM;
- memcpy_fromio(&header, info_mem, sizeof(header));
+ feature_header = readq(info_mem);
+ if (TPMI_MAJOR_VERSION(feature_header) != TPMI_INFO_MAJOR_VERSION) {
+ ret = -ENODEV;
+ goto error_info_header;
+ }
+
+ memcpy_fromio(&header, info_mem + TPMI_INFO_BUS_INFO_OFFSET, sizeof(header));
tpmi_info->plat_info.package_id = header.pkg;
tpmi_info->plat_info.bus_number = header.bus;
tpmi_info->plat_info.device_number = header.dev;
tpmi_info->plat_info.function_number = header.fn;
+ if (TPMI_MINOR_VERSION(feature_header) >= TPMI_INFO_MINOR_VERSION) {
+ tpmi_info->plat_info.cdie_mask = header.cdie_mask;
+ tpmi_info->plat_info.partition = header.partition;
+ tpmi_info->plat_info.segment = header.segment;
+ }
+
+error_info_header:
iounmap(info_mem);
- return 0;
+ return ret;
}
static int tpmi_fetch_pfs_header(struct intel_tpmi_pm_feature *pfs, u64 start, int size)
* when actual device nodes created outside this
* loop via tpmi_create_devices().
*/
- if (pfs->pfs_header.tpmi_id == TPMI_INFO_ID)
- tpmi_process_info(tpmi_info, pfs);
+ if (pfs->pfs_header.tpmi_id == TPMI_INFO_ID) {
+ ret = tpmi_process_info(tpmi_info, pfs);
+ if (ret)
+ return ret;
+ }
if (pfs->pfs_header.tpmi_id == TPMI_CONTROL_ID)
tpmi_set_control_base(auxdev, tpmi_info, pfs);
bool read_blocked = 0, write_blocked = 0;
struct intel_tpmi_plat_info *plat_info;
struct tpmi_uncore_struct *tpmi_uncore;
+ bool uncore_sysfs_added = false;
int ret, i, pkg = 0;
int num_resources;
}
/* Point to next cluster offset */
cluster_offset >>= UNCORE_MAX_CLUSTER_PER_DOMAIN;
+ uncore_sysfs_added = true;
}
}
+ if (!uncore_sysfs_added) {
+ ret = -ENODEV;
+ goto remove_clusters;
+ }
+
auxiliary_set_drvdata(auxdev, tpmi_uncore);
tpmi_uncore->root_cluster.root_domain = true;
if ((ke = sparse_keymap_entry_from_scancode(priv->buttons_dev, event))) {
if (!priv->has_buttons) {
- dev_warn(&device->dev, "Warning: received a button event on a device without buttons, please report this.\n");
+ dev_warn(&device->dev, "Warning: received 0x%02x button event on a device without buttons, please report this.\n",
+ event);
return;
}
input_dev = priv->buttons_dev;
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0
+/*
+ * Lenovo WMI Camera Button Driver
+ *
+ * Author: Ai Chao <aichao@kylinos.cn>
+ * Copyright (C) 2024 KylinSoft Corporation.
+ */
+
+#include <linux/acpi.h>
+#include <linux/device.h>
+#include <linux/input.h>
+#include <linux/types.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/wmi.h>
+
+#define WMI_LENOVO_CAMERABUTTON_EVENT_GUID "50C76F1F-D8E4-D895-0A3D-62F4EA400013"
+
+struct lenovo_wmi_priv {
+ struct input_dev *idev;
+ struct mutex notify_lock; /* lenovo WMI camera button notify lock */
+};
+
+enum {
+ SW_CAMERA_OFF = 0,
+ SW_CAMERA_ON = 1,
+};
+
+static void lenovo_wmi_notify(struct wmi_device *wdev, union acpi_object *obj)
+{
+ struct lenovo_wmi_priv *priv = dev_get_drvdata(&wdev->dev);
+ unsigned int keycode;
+ u8 camera_mode;
+
+ if (obj->type != ACPI_TYPE_BUFFER) {
+ dev_err(&wdev->dev, "Bad response type %u\n", obj->type);
+ return;
+ }
+
+ if (obj->buffer.length != 1) {
+ dev_err(&wdev->dev, "Invalid buffer length %u\n", obj->buffer.length);
+ return;
+ }
+
+ /*
+ * obj->buffer.pointer[0] is camera mode:
+ * 0 camera close
+ * 1 camera open
+ */
+ camera_mode = obj->buffer.pointer[0];
+ if (camera_mode > SW_CAMERA_ON) {
+ dev_err(&wdev->dev, "Unknown camera mode %u\n", camera_mode);
+ return;
+ }
+
+ mutex_lock(&priv->notify_lock);
+
+ keycode = camera_mode == SW_CAMERA_ON ?
+ KEY_CAMERA_ACCESS_ENABLE : KEY_CAMERA_ACCESS_DISABLE;
+ input_report_key(priv->idev, keycode, 1);
+ input_sync(priv->idev);
+ input_report_key(priv->idev, keycode, 0);
+ input_sync(priv->idev);
+
+ mutex_unlock(&priv->notify_lock);
+}
+
+static int lenovo_wmi_probe(struct wmi_device *wdev, const void *context)
+{
+ struct lenovo_wmi_priv *priv;
+ int ret;
+
+ priv = devm_kzalloc(&wdev->dev, sizeof(*priv), GFP_KERNEL);
+ if (!priv)
+ return -ENOMEM;
+
+ dev_set_drvdata(&wdev->dev, priv);
+
+ priv->idev = devm_input_allocate_device(&wdev->dev);
+ if (!priv->idev)
+ return -ENOMEM;
+
+ priv->idev->name = "Lenovo WMI Camera Button";
+ priv->idev->phys = "wmi/input0";
+ priv->idev->id.bustype = BUS_HOST;
+ priv->idev->dev.parent = &wdev->dev;
+ input_set_capability(priv->idev, EV_KEY, KEY_CAMERA_ACCESS_ENABLE);
+ input_set_capability(priv->idev, EV_KEY, KEY_CAMERA_ACCESS_DISABLE);
+
+ ret = input_register_device(priv->idev);
+ if (ret)
+ return ret;
+
+ mutex_init(&priv->notify_lock);
+
+ return 0;
+}
+
+static void lenovo_wmi_remove(struct wmi_device *wdev)
+{
+ struct lenovo_wmi_priv *priv = dev_get_drvdata(&wdev->dev);
+
+ mutex_destroy(&priv->notify_lock);
+}
+
+static const struct wmi_device_id lenovo_wmi_id_table[] = {
+ { .guid_string = WMI_LENOVO_CAMERABUTTON_EVENT_GUID },
+ { }
+};
+MODULE_DEVICE_TABLE(wmi, lenovo_wmi_id_table);
+
+static struct wmi_driver lenovo_wmi_driver = {
+ .driver = {
+ .name = "lenovo-wmi-camera",
+ .probe_type = PROBE_PREFER_ASYNCHRONOUS,
+ },
+ .id_table = lenovo_wmi_id_table,
+ .no_singleton = true,
+ .probe = lenovo_wmi_probe,
+ .notify = lenovo_wmi_notify,
+ .remove = lenovo_wmi_remove,
+};
+module_wmi_driver(lenovo_wmi_driver);
+
+MODULE_AUTHOR("Ai Chao <aichao@kylinos.cn>");
+MODULE_DESCRIPTION("Lenovo WMI Camera Button Driver");
+MODULE_LICENSE("GPL");
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Support for the custom fast charging protocol found on the Lenovo Yoga
+ * Tablet 2 1380F / 1380L models.
+ *
+ * Copyright (C) 2024 Hans de Goede <hansg@kernel.org>
+ */
+#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/delay.h>
+#include <linux/err.h>
+#include <linux/errno.h>
+#include <linux/extcon.h>
+#include <linux/gpio/consumer.h>
+#include <linux/module.h>
+#include <linux/notifier.h>
+#include <linux/pinctrl/consumer.h>
+#include <linux/pinctrl/machine.h>
+#include <linux/platform_device.h>
+#include <linux/serdev.h>
+#include <linux/time.h>
+#include <linux/types.h>
+#include <linux/workqueue.h>
+#include "serdev_helpers.h"
+
+#define YT2_1380_FC_PDEV_NAME "lenovo-yoga-tab2-pro-1380-fastcharger"
+#define YT2_1380_FC_SERDEV_CTRL "serial0"
+#define YT2_1380_FC_SERDEV_NAME "serial0-0"
+#define YT2_1380_FC_EXTCON_NAME "i2c-lc824206xa"
+
+#define YT2_1380_FC_MAX_TRIES 5
+#define YT2_1380_FC_PIN_SW_DELAY_US (10 * USEC_PER_MSEC)
+#define YT2_1380_FC_UART_DRAIN_DELAY_US (50 * USEC_PER_MSEC)
+#define YT2_1380_FC_VOLT_SW_DELAY_US (1000 * USEC_PER_MSEC)
+
+struct yt2_1380_fc {
+ struct device *dev;
+ struct pinctrl *pinctrl;
+ struct pinctrl_state *gpio_state;
+ struct pinctrl_state *uart_state;
+ struct gpio_desc *uart3_txd;
+ struct gpio_desc *uart3_rxd;
+ struct extcon_dev *extcon;
+ struct notifier_block nb;
+ struct work_struct work;
+ bool fast_charging;
+};
+
+static int yt2_1380_fc_set_gpio_mode(struct yt2_1380_fc *fc, bool enable)
+{
+ struct pinctrl_state *state = enable ? fc->gpio_state : fc->uart_state;
+ int ret;
+
+ ret = pinctrl_select_state(fc->pinctrl, state);
+ if (ret) {
+ dev_err(fc->dev, "Error %d setting pinctrl state\n", ret);
+ return ret;
+ }
+
+ fsleep(YT2_1380_FC_PIN_SW_DELAY_US);
+ return 0;
+}
+
+static bool yt2_1380_fc_dedicated_charger_connected(struct yt2_1380_fc *fc)
+{
+ return extcon_get_state(fc->extcon, EXTCON_CHG_USB_DCP) > 0;
+}
+
+static bool yt2_1380_fc_fast_charger_connected(struct yt2_1380_fc *fc)
+{
+ return extcon_get_state(fc->extcon, EXTCON_CHG_USB_FAST) > 0;
+}
+
+static void yt2_1380_fc_worker(struct work_struct *work)
+{
+ struct yt2_1380_fc *fc = container_of(work, struct yt2_1380_fc, work);
+ int i, ret;
+
+ /* Do nothing if already fast charging */
+ if (yt2_1380_fc_fast_charger_connected(fc))
+ return;
+
+ for (i = 0; i < YT2_1380_FC_MAX_TRIES; i++) {
+ /* Set pins to UART mode (for charger disconnect and retries) */
+ ret = yt2_1380_fc_set_gpio_mode(fc, false);
+ if (ret)
+ return;
+
+ /* Only try 12V charging if a dedicated charger is detected */
+ if (!yt2_1380_fc_dedicated_charger_connected(fc))
+ return;
+
+ /* Send the command to switch to 12V charging */
+ ret = serdev_device_write_buf(to_serdev_device(fc->dev), "SC", strlen("SC"));
+ if (ret != strlen("SC")) {
+ dev_err(fc->dev, "Error %d writing to uart\n", ret);
+ return;
+ }
+
+ fsleep(YT2_1380_FC_UART_DRAIN_DELAY_US);
+
+ /* Re-check a charger is still connected */
+ if (!yt2_1380_fc_dedicated_charger_connected(fc))
+ return;
+
+ /*
+ * Now switch the lines to GPIO (output, high). The charger
+ * expects the lines being driven high after the command.
+ * Presumably this is used to detect the tablet getting
+ * unplugged (to switch back to 5V output on unplug).
+ */
+ ret = yt2_1380_fc_set_gpio_mode(fc, true);
+ if (ret)
+ return;
+
+ fsleep(YT2_1380_FC_VOLT_SW_DELAY_US);
+
+ if (yt2_1380_fc_fast_charger_connected(fc))
+ return; /* Success */
+ }
+
+ dev_dbg(fc->dev, "Failed to switch to 12V charging (not the original charger?)\n");
+ /* Failed to enable 12V fast charging, reset pins to default UART mode */
+ yt2_1380_fc_set_gpio_mode(fc, false);
+}
+
+static int yt2_1380_fc_extcon_evt(struct notifier_block *nb,
+ unsigned long event, void *param)
+{
+ struct yt2_1380_fc *fc = container_of(nb, struct yt2_1380_fc, nb);
+
+ schedule_work(&fc->work);
+ return NOTIFY_OK;
+}
+
+static size_t yt2_1380_fc_receive(struct serdev_device *serdev, const u8 *data, size_t len)
+{
+ /*
+ * Since the USB data lines are shorted for DCP detection, echos of
+ * the "SC" command send in yt2_1380_fc_worker() will be received.
+ */
+ dev_dbg(&serdev->dev, "recv: %*ph\n", (int)len, data);
+ return len;
+}
+
+static const struct serdev_device_ops yt2_1380_fc_serdev_ops = {
+ .receive_buf = yt2_1380_fc_receive,
+ .write_wakeup = serdev_device_write_wakeup,
+};
+
+static int yt2_1380_fc_serdev_probe(struct serdev_device *serdev)
+{
+ struct device *dev = &serdev->dev;
+ struct yt2_1380_fc *fc;
+ int ret;
+
+ fc = devm_kzalloc(dev, sizeof(*fc), GFP_KERNEL);
+ if (!fc)
+ return -ENOMEM;
+
+ fc->dev = dev;
+ fc->nb.notifier_call = yt2_1380_fc_extcon_evt;
+ INIT_WORK(&fc->work, yt2_1380_fc_worker);
+
+ /*
+ * Do this first since it may return -EPROBE_DEFER.
+ * There is no extcon_put(), so there is no need to free this.
+ */
+ fc->extcon = extcon_get_extcon_dev(YT2_1380_FC_EXTCON_NAME);
+ if (IS_ERR(fc->extcon))
+ return dev_err_probe(dev, PTR_ERR(fc->extcon), "getting extcon\n");
+
+ fc->pinctrl = devm_pinctrl_get(dev);
+ if (IS_ERR(fc->pinctrl))
+ return dev_err_probe(dev, PTR_ERR(fc->pinctrl), "getting pinctrl\n");
+
+ /*
+ * To switch the UART3 pins connected to the USB data lines between
+ * UART and GPIO modes.
+ */
+ fc->gpio_state = pinctrl_lookup_state(fc->pinctrl, "uart3_gpio");
+ fc->uart_state = pinctrl_lookup_state(fc->pinctrl, "uart3_uart");
+ if (IS_ERR(fc->gpio_state) || IS_ERR(fc->uart_state))
+ return dev_err_probe(dev, -EINVAL, "getting pinctrl states\n");
+
+ ret = yt2_1380_fc_set_gpio_mode(fc, true);
+ if (ret)
+ return ret;
+
+ fc->uart3_txd = devm_gpiod_get(dev, "uart3_txd", GPIOD_OUT_HIGH);
+ if (IS_ERR(fc->uart3_txd))
+ return dev_err_probe(dev, PTR_ERR(fc->uart3_txd), "getting uart3_txd gpio\n");
+
+ fc->uart3_rxd = devm_gpiod_get(dev, "uart3_rxd", GPIOD_OUT_HIGH);
+ if (IS_ERR(fc->uart3_rxd))
+ return dev_err_probe(dev, PTR_ERR(fc->uart3_rxd), "getting uart3_rxd gpio\n");
+
+ ret = yt2_1380_fc_set_gpio_mode(fc, false);
+ if (ret)
+ return ret;
+
+ ret = devm_serdev_device_open(dev, serdev);
+ if (ret)
+ return dev_err_probe(dev, ret, "opening UART device\n");
+
+ serdev_device_set_baudrate(serdev, 600);
+ serdev_device_set_flow_control(serdev, false);
+ serdev_device_set_drvdata(serdev, fc);
+ serdev_device_set_client_ops(serdev, &yt2_1380_fc_serdev_ops);
+
+ ret = devm_extcon_register_notifier_all(dev, fc->extcon, &fc->nb);
+ if (ret)
+ return dev_err_probe(dev, ret, "registering extcon notifier\n");
+
+ /* In case the extcon already has detected a DCP charger */
+ schedule_work(&fc->work);
+
+ return 0;
+}
+
+struct serdev_device_driver yt2_1380_fc_serdev_driver = {
+ .probe = yt2_1380_fc_serdev_probe,
+ .driver = {
+ .name = KBUILD_MODNAME,
+ },
+};
+
+static const struct pinctrl_map yt2_1380_fc_pinctrl_map[] = {
+ PIN_MAP_MUX_GROUP(YT2_1380_FC_SERDEV_NAME, "uart3_uart",
+ "INT33FC:00", "uart3_grp", "uart"),
+ PIN_MAP_MUX_GROUP(YT2_1380_FC_SERDEV_NAME, "uart3_gpio",
+ "INT33FC:00", "uart3_grp_gpio", "gpio"),
+};
+
+static int yt2_1380_fc_pdev_probe(struct platform_device *pdev)
+{
+ struct serdev_device *serdev;
+ struct device *ctrl_dev;
+ int ret;
+
+ /* Register pinctrl mappings for setting the UART3 pins mode */
+ ret = pinctrl_register_mappings(yt2_1380_fc_pinctrl_map,
+ ARRAY_SIZE(yt2_1380_fc_pinctrl_map));
+ if (ret)
+ return ret;
+
+ /* And create the serdev to talk to the charger over the UART3 pins */
+ ctrl_dev = get_serdev_controller("PNP0501", "1", 0, YT2_1380_FC_SERDEV_CTRL);
+ if (IS_ERR(ctrl_dev)) {
+ ret = PTR_ERR(ctrl_dev);
+ goto out_pinctrl_unregister_mappings;
+ }
+
+ serdev = serdev_device_alloc(to_serdev_controller(ctrl_dev));
+ put_device(ctrl_dev);
+ if (!serdev) {
+ ret = -ENOMEM;
+ goto out_pinctrl_unregister_mappings;
+ }
+
+ ret = serdev_device_add(serdev);
+ if (ret) {
+ dev_err_probe(&pdev->dev, ret, "adding serdev\n");
+ serdev_device_put(serdev);
+ goto out_pinctrl_unregister_mappings;
+ }
+
+ /*
+ * serdev device <-> driver matching relies on OF or ACPI matches and
+ * neither is available here, manually bind the driver.
+ */
+ ret = device_driver_attach(&yt2_1380_fc_serdev_driver.driver, &serdev->dev);
+ if (ret) {
+ /* device_driver_attach() maps EPROBE_DEFER to EAGAIN, map it back */
+ ret = (ret == -EAGAIN) ? -EPROBE_DEFER : ret;
+ dev_err_probe(&pdev->dev, ret, "attaching serdev driver\n");
+ goto out_serdev_device_remove;
+ }
+
+ /* So that yt2_1380_fc_pdev_remove() can remove the serdev */
+ platform_set_drvdata(pdev, serdev);
+ return 0;
+
+out_serdev_device_remove:
+ serdev_device_remove(serdev);
+out_pinctrl_unregister_mappings:
+ pinctrl_unregister_mappings(yt2_1380_fc_pinctrl_map);
+ return ret;
+}
+
+static void yt2_1380_fc_pdev_remove(struct platform_device *pdev)
+{
+ struct serdev_device *serdev = platform_get_drvdata(pdev);
+
+ serdev_device_remove(serdev);
+ pinctrl_unregister_mappings(yt2_1380_fc_pinctrl_map);
+}
+
+static struct platform_driver yt2_1380_fc_pdev_driver = {
+ .probe = yt2_1380_fc_pdev_probe,
+ .remove_new = yt2_1380_fc_pdev_remove,
+ .driver = {
+ .name = YT2_1380_FC_PDEV_NAME,
+ .probe_type = PROBE_PREFER_ASYNCHRONOUS,
+ },
+};
+
+static int __init yt2_1380_fc_module_init(void)
+{
+ int ret;
+
+ /*
+ * serdev driver MUST be registered first because pdev driver calls
+ * device_driver_attach() on the serdev, serdev-driver pair.
+ */
+ ret = serdev_device_driver_register(&yt2_1380_fc_serdev_driver);
+ if (ret)
+ return ret;
+
+ ret = platform_driver_register(&yt2_1380_fc_pdev_driver);
+ if (ret)
+ serdev_device_driver_unregister(&yt2_1380_fc_serdev_driver);
+
+ return ret;
+}
+module_init(yt2_1380_fc_module_init);
+
+static void __exit yt2_1380_fc_module_exit(void)
+{
+ platform_driver_unregister(&yt2_1380_fc_pdev_driver);
+ serdev_device_driver_unregister(&yt2_1380_fc_serdev_driver);
+}
+module_exit(yt2_1380_fc_module_exit);
+
+MODULE_ALIAS("platform:" YT2_1380_FC_PDEV_NAME);
+MODULE_DESCRIPTION("Lenovo Yoga Tablet 2 1380 fast charge driver");
+MODULE_AUTHOR("Hans de Goede <hansg@kernel.org>");
+MODULE_LICENSE("GPL");
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Driver to power on the Analogix ANX7428 USB Type-C crosspoint switch
+ * on MeeGoPad top-set boxes.
+ *
+ * The MeeGoPad T8 and T9 are Cherry Trail top-set boxes which
+ * use an ANX7428 to provide a Type-C port with USB3.1 Gen 1 and
+ * DisplayPort over Type-C alternate mode support.
+ *
+ * The ANX7428 has a microcontroller which takes care of the PD
+ * negotiation and automatically sets the builtin Crosspoint Switch
+ * to send the right signal to the 4 highspeed pairs of the Type-C
+ * connector. It also takes care of HPD and AUX channel routing for
+ * DP alternate mode.
+ *
+ * IOW the ANX7428 operates fully autonomous and to the x5-Z8350 SoC
+ * things look like there simply is a USB-3 Type-A connector and a
+ * separate DisplayPort connector. Except that the BIOS does not
+ * power on the ANX7428 at boot. This driver takes care of powering
+ * on the ANX7428.
+ *
+ * It should be possible to tell the micro-controller which data- and/or
+ * power-role to negotiate and to swap the role(s) after negotiation
+ * but the MeeGoPad top-set boxes always draw their power from a separate
+ * power-connector and they only support USB host-mode. So this functionality
+ * is unnecessary and due to lack of documentation this is tricky to support.
+ *
+ * For a more complete ANX7428 driver see drivers/usb/misc/anx7418/ of
+ * the LineageOS kernel for the LG G5 (International) aka the LG H850:
+ * https://github.com/LineageOS/android_kernel_lge_msm8996/
+ *
+ * (C) Copyright 2024 Hans de Goede <hansg@kernel.org>
+ */
+
+#include <linux/acpi.h>
+#include <linux/bits.h>
+#include <linux/delay.h>
+#include <linux/dev_printk.h>
+#include <linux/dmi.h>
+#include <linux/err.h>
+#include <linux/gpio/consumer.h>
+#include <linux/i2c.h>
+#include <linux/iopoll.h>
+#include <linux/module.h>
+#include <linux/types.h>
+
+/* Register addresses and fields */
+#define VENDOR_ID 0x00
+#define DEVICE_ID 0x02
+
+#define TX_STATUS 0x16
+#define STATUS_SUCCESS BIT(0)
+#define STATUS_ERROR BIT(1)
+#define OCM_STARTUP BIT(7)
+
+static bool force;
+module_param(force, bool, 0444);
+MODULE_PARM_DESC(force, "Force the driver to probe on unknown boards");
+
+static const struct acpi_gpio_params enable_gpio = { 0, 0, false };
+static const struct acpi_gpio_params reset_gpio = { 1, 0, true };
+
+static const struct acpi_gpio_mapping meegopad_anx7428_gpios[] = {
+ { "enable-gpios", &enable_gpio, 1 },
+ { "reset-gpios", &reset_gpio, 1 },
+ { }
+};
+
+static const struct dmi_system_id meegopad_anx7428_ids[] = {
+ {
+ /* Meegopad T08 */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Default string"),
+ DMI_MATCH(DMI_PRODUCT_NAME, "Default string"),
+ DMI_MATCH(DMI_BOARD_NAME, "T3 MRD"),
+ DMI_MATCH(DMI_BOARD_VERSION, "V1.1"),
+ },
+ },
+ { }
+};
+
+static int anx7428_probe(struct i2c_client *client)
+{
+ struct device *dev = &client->dev;
+ struct gpio_desc *gpio;
+ int ret, val;
+
+ if (!dmi_check_system(meegopad_anx7428_ids) && !force) {
+ dev_warn(dev, "Not probing unknown board, pass meegopad_anx7428.force=1 to probe");
+ return -ENODEV;
+ }
+
+ ret = devm_acpi_dev_add_driver_gpios(dev, meegopad_anx7428_gpios);
+ if (ret)
+ return ret;
+
+ /*
+ * Set GPIOs to desired values while getting them, they are not needed
+ * afterwards. Ordering and delays come from android_kernel_lge_msm8996.
+ */
+ gpio = devm_gpiod_get(dev, "enable", GPIOD_OUT_HIGH);
+ if (IS_ERR(gpio))
+ return dev_err_probe(dev, PTR_ERR(gpio), "getting enable GPIO\n");
+
+ fsleep(10000);
+
+ gpio = devm_gpiod_get(dev, "reset", GPIOD_OUT_LOW);
+ if (IS_ERR(gpio))
+ return dev_err_probe(dev, PTR_ERR(gpio), "getting reset GPIO\n");
+
+ /* Wait for the OCM (On Chip Microcontroller) to start */
+ ret = read_poll_timeout(i2c_smbus_read_byte_data, val,
+ val >= 0 && (val & OCM_STARTUP),
+ 5000, 50000, true, client, TX_STATUS);
+ if (ret)
+ return dev_err_probe(dev, ret,
+ "On Chip Microcontroller did not start, status: 0x%02x\n",
+ val);
+
+ ret = i2c_smbus_read_word_data(client, VENDOR_ID);
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "reading vendor-id register\n");
+ val = ret;
+
+ ret = i2c_smbus_read_word_data(client, DEVICE_ID);
+ if (ret < 0)
+ return dev_err_probe(dev, ret, "reading device-id register\n");
+
+ dev_dbg(dev, "Powered on ANX7428 id %04x:%04x\n", val, ret);
+ return 0;
+}
+
+static const struct acpi_device_id anx7428_acpi_match[] = {
+ { "ANXO7418" }, /* ACPI says 7418 (max 2 DP lanes version) but HW is 7428 */
+ { }
+};
+MODULE_DEVICE_TABLE(acpi, anx7428_acpi_match);
+
+static struct i2c_driver anx7428_driver = {
+ .driver = {
+ .name = "meegopad_anx7428",
+ .acpi_match_table = anx7428_acpi_match,
+ },
+ .probe = anx7428_probe,
+};
+module_i2c_driver(anx7428_driver);
+
+MODULE_AUTHOR("Hans de Goede <hansg@kernel.org>");
+MODULE_DESCRIPTION("MeeGoPad ANX7428 driver");
+MODULE_LICENSE("GPL");
if (ret < 0)
return ret;
- return sprintf(buf, "%i\n", enabled);
+ return sysfs_emit(buf, "%i\n", enabled);
}
static ssize_t store_wlan(struct device *dev,
if (ret < 0)
return ret;
- return sprintf(buf, "%i\n", enabled);
+ return sysfs_emit(buf, "%i\n", enabled);
}
static ssize_t store_bluetooth(struct device *dev,
if (ret < 0)
return ret;
- return sprintf(buf, "%i\n", threeg_s);
+ return sysfs_emit(buf, "%i\n", threeg_s);
}
static ssize_t store_threeg(struct device *dev,
if (ret < 0)
return ret;
- return sprintf(buf, "%i\n", ret);
+ return sysfs_emit(buf, "%i\n", ret);
}
static ssize_t store_lcd_level(struct device *dev,
if (ret < 0)
return ret;
- return sprintf(buf, "%i\n", ret);
+ return sysfs_emit(buf, "%i\n", ret);
}
static ssize_t store_auto_brightness(struct device *dev,
if (result < 0)
return result;
- return sprintf(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_TOUCHPAD_MASK));
+ return sysfs_emit(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_TOUCHPAD_MASK));
}
static ssize_t show_turbo(struct device *dev,
if (result < 0)
return result;
- return sprintf(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_TURBO_MASK));
+ return sysfs_emit(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_TURBO_MASK));
}
static ssize_t show_eco(struct device *dev,
if (result < 0)
return result;
- return sprintf(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_ECO_MASK));
+ return sysfs_emit(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_ECO_MASK));
}
static ssize_t show_turbo_cooldown(struct device *dev,
if (result < 0)
return result;
- return sprintf(buf, "%i\n", (!!(rdata & MSI_STANDARD_EC_TURBO_MASK)) |
+ return sysfs_emit(buf, "%i\n", (!!(rdata & MSI_STANDARD_EC_TURBO_MASK)) |
(!!(rdata & MSI_STANDARD_EC_TURBO_COOLDOWN_MASK) << 1));
}
if (result < 0)
return result;
- return sprintf(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_AUTOFAN_MASK));
+ return sysfs_emit(buf, "%i\n", !!(rdata & MSI_STANDARD_EC_AUTOFAN_MASK));
}
static ssize_t store_auto_fan(struct device *dev,
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Linux driver for WMI platform features on MSI notebooks.
+ *
+ * Copyright (C) 2024 Armin Wolf <W_Armin@gmx.de>
+ */
+
+#define pr_format(fmt) KBUILD_MODNAME ": " fmt
+
+#include <linux/acpi.h>
+#include <linux/bits.h>
+#include <linux/bitfield.h>
+#include <linux/debugfs.h>
+#include <linux/device.h>
+#include <linux/device/driver.h>
+#include <linux/errno.h>
+#include <linux/hwmon.h>
+#include <linux/kernel.h>
+#include <linux/module.h>
+#include <linux/printk.h>
+#include <linux/rwsem.h>
+#include <linux/types.h>
+#include <linux/wmi.h>
+
+#include <asm/unaligned.h>
+
+#define DRIVER_NAME "msi-wmi-platform"
+
+#define MSI_PLATFORM_GUID "ABBC0F6E-8EA1-11d1-00A0-C90629100000"
+
+#define MSI_WMI_PLATFORM_INTERFACE_VERSION 2
+
+#define MSI_PLATFORM_WMI_MAJOR_OFFSET 1
+#define MSI_PLATFORM_WMI_MINOR_OFFSET 2
+
+#define MSI_PLATFORM_EC_FLAGS_OFFSET 1
+#define MSI_PLATFORM_EC_MINOR_MASK GENMASK(3, 0)
+#define MSI_PLATFORM_EC_MAJOR_MASK GENMASK(5, 4)
+#define MSI_PLATFORM_EC_CHANGED_PAGE BIT(6)
+#define MSI_PLATFORM_EC_IS_TIGERLAKE BIT(7)
+#define MSI_PLATFORM_EC_VERSION_OFFSET 2
+
+static bool force;
+module_param_unsafe(force, bool, 0);
+MODULE_PARM_DESC(force, "Force loading without checking for supported WMI interface versions");
+
+enum msi_wmi_platform_method {
+ MSI_PLATFORM_GET_PACKAGE = 0x01,
+ MSI_PLATFORM_SET_PACKAGE = 0x02,
+ MSI_PLATFORM_GET_EC = 0x03,
+ MSI_PLATFORM_SET_EC = 0x04,
+ MSI_PLATFORM_GET_BIOS = 0x05,
+ MSI_PLATFORM_SET_BIOS = 0x06,
+ MSI_PLATFORM_GET_SMBUS = 0x07,
+ MSI_PLATFORM_SET_SMBUS = 0x08,
+ MSI_PLATFORM_GET_MASTER_BATTERY = 0x09,
+ MSI_PLATFORM_SET_MASTER_BATTERY = 0x0a,
+ MSI_PLATFORM_GET_SLAVE_BATTERY = 0x0b,
+ MSI_PLATFORM_SET_SLAVE_BATTERY = 0x0c,
+ MSI_PLATFORM_GET_TEMPERATURE = 0x0d,
+ MSI_PLATFORM_SET_TEMPERATURE = 0x0e,
+ MSI_PLATFORM_GET_THERMAL = 0x0f,
+ MSI_PLATFORM_SET_THERMAL = 0x10,
+ MSI_PLATFORM_GET_FAN = 0x11,
+ MSI_PLATFORM_SET_FAN = 0x12,
+ MSI_PLATFORM_GET_DEVICE = 0x13,
+ MSI_PLATFORM_SET_DEVICE = 0x14,
+ MSI_PLATFORM_GET_POWER = 0x15,
+ MSI_PLATFORM_SET_POWER = 0x16,
+ MSI_PLATFORM_GET_DEBUG = 0x17,
+ MSI_PLATFORM_SET_DEBUG = 0x18,
+ MSI_PLATFORM_GET_AP = 0x19,
+ MSI_PLATFORM_SET_AP = 0x1a,
+ MSI_PLATFORM_GET_DATA = 0x1b,
+ MSI_PLATFORM_SET_DATA = 0x1c,
+ MSI_PLATFORM_GET_WMI = 0x1d,
+};
+
+struct msi_wmi_platform_debugfs_data {
+ struct wmi_device *wdev;
+ enum msi_wmi_platform_method method;
+ struct rw_semaphore buffer_lock; /* Protects debugfs buffer */
+ size_t length;
+ u8 buffer[32];
+};
+
+static const char * const msi_wmi_platform_debugfs_names[] = {
+ "get_package",
+ "set_package",
+ "get_ec",
+ "set_ec",
+ "get_bios",
+ "set_bios",
+ "get_smbus",
+ "set_smbus",
+ "get_master_battery",
+ "set_master_battery",
+ "get_slave_battery",
+ "set_slave_battery",
+ "get_temperature",
+ "set_temperature",
+ "get_thermal",
+ "set_thermal",
+ "get_fan",
+ "set_fan",
+ "get_device",
+ "set_device",
+ "get_power",
+ "set_power",
+ "get_debug",
+ "set_debug",
+ "get_ap",
+ "set_ap",
+ "get_data",
+ "set_data",
+ "get_wmi"
+};
+
+static int msi_wmi_platform_parse_buffer(union acpi_object *obj, u8 *output, size_t length)
+{
+ if (obj->type != ACPI_TYPE_BUFFER)
+ return -ENOMSG;
+
+ if (obj->buffer.length != length)
+ return -EPROTO;
+
+ if (!obj->buffer.pointer[0])
+ return -EIO;
+
+ memcpy(output, obj->buffer.pointer, obj->buffer.length);
+
+ return 0;
+}
+
+static int msi_wmi_platform_query(struct wmi_device *wdev, enum msi_wmi_platform_method method,
+ u8 *input, size_t input_length, u8 *output, size_t output_length)
+{
+ struct acpi_buffer out = { ACPI_ALLOCATE_BUFFER, NULL };
+ struct acpi_buffer in = {
+ .length = input_length,
+ .pointer = input
+ };
+ union acpi_object *obj;
+ acpi_status status;
+ int ret;
+
+ if (!input_length || !output_length)
+ return -EINVAL;
+
+ status = wmidev_evaluate_method(wdev, 0x0, method, &in, &out);
+ if (ACPI_FAILURE(status))
+ return -EIO;
+
+ obj = out.pointer;
+ if (!obj)
+ return -ENODATA;
+
+ ret = msi_wmi_platform_parse_buffer(obj, output, output_length);
+ kfree(obj);
+
+ return ret;
+}
+
+static umode_t msi_wmi_platform_is_visible(const void *drvdata, enum hwmon_sensor_types type,
+ u32 attr, int channel)
+{
+ return 0444;
+}
+
+static int msi_wmi_platform_read(struct device *dev, enum hwmon_sensor_types type, u32 attr,
+ int channel, long *val)
+{
+ struct wmi_device *wdev = dev_get_drvdata(dev);
+ u8 input[32] = { 0 };
+ u8 output[32];
+ u16 data;
+ int ret;
+
+ ret = msi_wmi_platform_query(wdev, MSI_PLATFORM_GET_FAN, input, sizeof(input), output,
+ sizeof(output));
+ if (ret < 0)
+ return ret;
+
+ data = get_unaligned_be16(&output[channel * 2 + 1]);
+ if (!data)
+ *val = 0;
+ else
+ *val = 480000 / data;
+
+ return 0;
+}
+
+static const struct hwmon_ops msi_wmi_platform_ops = {
+ .is_visible = msi_wmi_platform_is_visible,
+ .read = msi_wmi_platform_read,
+};
+
+static const struct hwmon_channel_info * const msi_wmi_platform_info[] = {
+ HWMON_CHANNEL_INFO(fan,
+ HWMON_F_INPUT,
+ HWMON_F_INPUT,
+ HWMON_F_INPUT,
+ HWMON_F_INPUT
+ ),
+ NULL
+};
+
+static const struct hwmon_chip_info msi_wmi_platform_chip_info = {
+ .ops = &msi_wmi_platform_ops,
+ .info = msi_wmi_platform_info,
+};
+
+static ssize_t msi_wmi_platform_write(struct file *fp, const char __user *input, size_t length,
+ loff_t *offset)
+{
+ struct seq_file *seq = fp->private_data;
+ struct msi_wmi_platform_debugfs_data *data = seq->private;
+ u8 payload[32] = { };
+ ssize_t ret;
+
+ /* Do not allow partial writes */
+ if (*offset != 0)
+ return -EINVAL;
+
+ /* Do not allow incomplete command buffers */
+ if (length != data->length)
+ return -EINVAL;
+
+ ret = simple_write_to_buffer(payload, sizeof(payload), offset, input, length);
+ if (ret < 0)
+ return ret;
+
+ down_write(&data->buffer_lock);
+ ret = msi_wmi_platform_query(data->wdev, data->method, payload, data->length, data->buffer,
+ data->length);
+ up_write(&data->buffer_lock);
+
+ if (ret < 0)
+ return ret;
+
+ return length;
+}
+
+static int msi_wmi_platform_show(struct seq_file *seq, void *p)
+{
+ struct msi_wmi_platform_debugfs_data *data = seq->private;
+ int ret;
+
+ down_read(&data->buffer_lock);
+ ret = seq_write(seq, data->buffer, data->length);
+ up_read(&data->buffer_lock);
+
+ return ret;
+}
+
+static int msi_wmi_platform_open(struct inode *inode, struct file *fp)
+{
+ struct msi_wmi_platform_debugfs_data *data = inode->i_private;
+
+ /* The seq_file uses the last byte of the buffer for detecting buffer overflows */
+ return single_open_size(fp, msi_wmi_platform_show, data, data->length + 1);
+}
+
+static const struct file_operations msi_wmi_platform_debugfs_fops = {
+ .owner = THIS_MODULE,
+ .open = msi_wmi_platform_open,
+ .read = seq_read,
+ .write = msi_wmi_platform_write,
+ .llseek = seq_lseek,
+ .release = single_release,
+};
+
+static void msi_wmi_platform_debugfs_remove(void *data)
+{
+ struct dentry *dir = data;
+
+ debugfs_remove_recursive(dir);
+}
+
+static void msi_wmi_platform_debugfs_add(struct wmi_device *wdev, struct dentry *dir,
+ const char *name, enum msi_wmi_platform_method method)
+{
+ struct msi_wmi_platform_debugfs_data *data;
+ struct dentry *entry;
+
+ data = devm_kzalloc(&wdev->dev, sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return;
+
+ data->wdev = wdev;
+ data->method = method;
+ init_rwsem(&data->buffer_lock);
+
+ /* The ACPI firmware for now always requires a 32 byte input buffer due to
+ * a peculiarity in how Windows handles the CreateByteField() ACPI operator.
+ */
+ data->length = 32;
+
+ entry = debugfs_create_file(name, 0600, dir, data, &msi_wmi_platform_debugfs_fops);
+ if (IS_ERR(entry))
+ devm_kfree(&wdev->dev, data);
+}
+
+static void msi_wmi_platform_debugfs_init(struct wmi_device *wdev)
+{
+ struct dentry *dir;
+ char dir_name[64];
+ int ret, method;
+
+ scnprintf(dir_name, ARRAY_SIZE(dir_name), "%s-%s", DRIVER_NAME, dev_name(&wdev->dev));
+
+ dir = debugfs_create_dir(dir_name, NULL);
+ if (IS_ERR(dir))
+ return;
+
+ ret = devm_add_action_or_reset(&wdev->dev, msi_wmi_platform_debugfs_remove, dir);
+ if (ret < 0)
+ return;
+
+ for (method = MSI_PLATFORM_GET_PACKAGE; method <= MSI_PLATFORM_GET_WMI; method++)
+ msi_wmi_platform_debugfs_add(wdev, dir, msi_wmi_platform_debugfs_names[method - 1],
+ method);
+}
+
+static int msi_wmi_platform_hwmon_init(struct wmi_device *wdev)
+{
+ struct device *hdev;
+
+ hdev = devm_hwmon_device_register_with_info(&wdev->dev, "msi_wmi_platform", wdev,
+ &msi_wmi_platform_chip_info, NULL);
+
+ return PTR_ERR_OR_ZERO(hdev);
+}
+
+static int msi_wmi_platform_ec_init(struct wmi_device *wdev)
+{
+ u8 input[32] = { 0 };
+ u8 output[32];
+ u8 flags;
+ int ret;
+
+ ret = msi_wmi_platform_query(wdev, MSI_PLATFORM_GET_EC, input, sizeof(input), output,
+ sizeof(output));
+ if (ret < 0)
+ return ret;
+
+ flags = output[MSI_PLATFORM_EC_FLAGS_OFFSET];
+
+ dev_dbg(&wdev->dev, "EC RAM version %lu.%lu\n",
+ FIELD_GET(MSI_PLATFORM_EC_MAJOR_MASK, flags),
+ FIELD_GET(MSI_PLATFORM_EC_MINOR_MASK, flags));
+ dev_dbg(&wdev->dev, "EC firmware version %.28s\n",
+ &output[MSI_PLATFORM_EC_VERSION_OFFSET]);
+
+ if (!(flags & MSI_PLATFORM_EC_IS_TIGERLAKE)) {
+ if (!force)
+ return -ENODEV;
+
+ dev_warn(&wdev->dev, "Loading on a non-Tigerlake platform\n");
+ }
+
+ return 0;
+}
+
+static int msi_wmi_platform_init(struct wmi_device *wdev)
+{
+ u8 input[32] = { 0 };
+ u8 output[32];
+ int ret;
+
+ ret = msi_wmi_platform_query(wdev, MSI_PLATFORM_GET_WMI, input, sizeof(input), output,
+ sizeof(output));
+ if (ret < 0)
+ return ret;
+
+ dev_dbg(&wdev->dev, "WMI interface version %u.%u\n",
+ output[MSI_PLATFORM_WMI_MAJOR_OFFSET],
+ output[MSI_PLATFORM_WMI_MINOR_OFFSET]);
+
+ if (output[MSI_PLATFORM_WMI_MAJOR_OFFSET] != MSI_WMI_PLATFORM_INTERFACE_VERSION) {
+ if (!force)
+ return -ENODEV;
+
+ dev_warn(&wdev->dev, "Loading despite unsupported WMI interface version (%u.%u)\n",
+ output[MSI_PLATFORM_WMI_MAJOR_OFFSET],
+ output[MSI_PLATFORM_WMI_MINOR_OFFSET]);
+ }
+
+ return 0;
+}
+
+static int msi_wmi_platform_probe(struct wmi_device *wdev, const void *context)
+{
+ int ret;
+
+ ret = msi_wmi_platform_init(wdev);
+ if (ret < 0)
+ return ret;
+
+ ret = msi_wmi_platform_ec_init(wdev);
+ if (ret < 0)
+ return ret;
+
+ msi_wmi_platform_debugfs_init(wdev);
+
+ return msi_wmi_platform_hwmon_init(wdev);
+}
+
+static const struct wmi_device_id msi_wmi_platform_id_table[] = {
+ { MSI_PLATFORM_GUID, NULL },
+ { }
+};
+MODULE_DEVICE_TABLE(wmi, msi_wmi_platform_id_table);
+
+static struct wmi_driver msi_wmi_platform_driver = {
+ .driver = {
+ .name = DRIVER_NAME,
+ .probe_type = PROBE_PREFER_ASYNCHRONOUS,
+ },
+ .id_table = msi_wmi_platform_id_table,
+ .probe = msi_wmi_platform_probe,
+ .no_singleton = true,
+};
+module_wmi_driver(msi_wmi_platform_driver);
+
+MODULE_AUTHOR("Armin Wolf <W_Armin@gmx.de>");
+MODULE_DESCRIPTION("MSI WMI platform features");
+MODULE_LICENSE("GPL");
static struct p2sb_res_cache p2sb_resources[NR_P2SB_RES_CACHE];
-static int p2sb_get_devfn(unsigned int *devfn)
+static void p2sb_get_devfn(unsigned int *devfn)
{
unsigned int fn = P2SB_DEVFN_DEFAULT;
const struct x86_cpu_id *id;
fn = (unsigned int)id->driver_data;
*devfn = fn;
- return 0;
}
-static bool p2sb_valid_resource(struct resource *res)
+static bool p2sb_valid_resource(const struct resource *res)
{
- if (res->flags)
- return true;
-
- return false;
+ return res->flags & ~IORESOURCE_UNSET;
}
/* Copy resource from the first BAR of the device in question */
int ret;
/* Get devfn for P2SB device itself */
- ret = p2sb_get_devfn(&devfn_p2sb);
- if (ret)
- return ret;
+ p2sb_get_devfn(&devfn_p2sb);
bus = p2sb_get_bus(NULL);
if (!bus)
int p2sb_bar(struct pci_bus *bus, unsigned int devfn, struct resource *mem)
{
struct p2sb_res_cache *cache;
- int ret;
bus = p2sb_get_bus(bus);
if (!bus)
return -ENODEV;
- if (!devfn) {
- ret = p2sb_get_devfn(&devfn);
- if (ret)
- return ret;
- }
+ if (!devfn)
+ p2sb_get_devfn(&devfn);
cache = &p2sb_resources[PCI_FUNC(devfn)];
if (cache->bus_dev_id != bus->dev.id)
static int __init p2sb_fs_init(void)
{
- p2sb_cache_resources();
- return 0;
+ return p2sb_cache_resources();
}
/*
- * pci_rescan_remove_lock to avoid access to unhidden P2SB devices can
- * not be locked in sysfs pci bus rescan path because of deadlock. To
- * avoid the deadlock, access to P2SB devices with the lock at an early
- * step in kernel initialization and cache required resources. This
- * should happen after subsys_initcall which initializes PCI subsystem
- * and before device_initcall which requires P2SB resources.
+ * pci_rescan_remove_lock() can not be locked in sysfs PCI bus rescan path
+ * because of deadlock. To avoid the deadlock, access P2SB devices with the lock
+ * at an early step in kernel initialization and cache required resources.
+ *
+ * We want to run as early as possible. If the P2SB was assigned a bad BAR,
+ * we'll need to wait on pcibios_assign_resources() to fix it. So, our list of
+ * initcall dependencies looks something like this:
+ *
+ * ...
+ * subsys_initcall (pci_subsys_init)
+ * fs_initcall (pcibios_assign_resources)
*/
-fs_initcall(p2sb_fs_init);
+fs_initcall_sync(p2sb_fs_init);
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * ACPI Direct App Launch driver
+ *
+ * Copyright (C) 2024 Armin Wolf <W_Armin@gmx.de>
+ * Copyright (C) 2022 Arvid Norlander <lkml@vorapal.se>
+ * Copyright (C) 2007-2010 Angelo Arrifano <miknix@gmail.com>
+ *
+ * Information gathered from disassembled dsdt and from here:
+ * <https://archive.org/details/microsoft-acpi-dirapplaunch>
+ */
+
+#include <linux/acpi.h>
+#include <linux/device.h>
+#include <linux/errno.h>
+#include <linux/init.h>
+#include <linux/input.h>
+#include <linux/input/sparse-keymap.h>
+#include <linux/mod_devicetable.h>
+#include <linux/module.h>
+#include <linux/mutex.h>
+#include <linux/platform_device.h>
+#include <linux/pm_wakeup.h>
+#include <linux/printk.h>
+#include <linux/slab.h>
+#include <linux/sysfs.h>
+#include <linux/types.h>
+
+#include <asm/unaligned.h>
+
+#define DRIVER_NAME "quickstart"
+
+/*
+ * There will be two events:
+ * 0x02 - Button was pressed while device was off/sleeping.
+ * 0x80 - Button was pressed while device was up.
+ */
+#define QUICKSTART_EVENT_RUNTIME 0x80
+
+struct quickstart_data {
+ struct device *dev;
+ struct mutex input_lock; /* Protects input sequence during notify */
+ struct input_dev *input_device;
+ char input_name[32];
+ char phys[32];
+ u32 id;
+};
+
+/*
+ * Knowing what these buttons do require system specific knowledge.
+ * This could be done by matching on DMI data in a long quirk table.
+ * However, it is easier to leave it up to user space to figure this out.
+ *
+ * Using for example udev hwdb the scancode 0x1 can be remapped suitably.
+ */
+static const struct key_entry quickstart_keymap[] = {
+ { KE_KEY, 0x1, { KEY_UNKNOWN } },
+ { KE_END, 0 },
+};
+
+static ssize_t button_id_show(struct device *dev, struct device_attribute *attr, char *buf)
+{
+ struct quickstart_data *data = dev_get_drvdata(dev);
+
+ return sysfs_emit(buf, "%u\n", data->id);
+}
+static DEVICE_ATTR_RO(button_id);
+
+static struct attribute *quickstart_attrs[] = {
+ &dev_attr_button_id.attr,
+ NULL
+};
+ATTRIBUTE_GROUPS(quickstart);
+
+static void quickstart_notify(acpi_handle handle, u32 event, void *context)
+{
+ struct quickstart_data *data = context;
+
+ switch (event) {
+ case QUICKSTART_EVENT_RUNTIME:
+ mutex_lock(&data->input_lock);
+ sparse_keymap_report_event(data->input_device, 0x1, 1, true);
+ mutex_unlock(&data->input_lock);
+
+ acpi_bus_generate_netlink_event(DRIVER_NAME, dev_name(data->dev), event, 0);
+ break;
+ default:
+ dev_err(data->dev, FW_INFO "Unexpected ACPI notify event (%u)\n", event);
+ break;
+ }
+}
+
+/*
+ * The GHID ACPI method is used to indicate the "role" of the button.
+ * However, all the meanings of these values are vendor defined.
+ *
+ * We do however expose this value to user space.
+ */
+static int quickstart_get_ghid(struct quickstart_data *data)
+{
+ struct acpi_buffer buffer = { ACPI_ALLOCATE_BUFFER, NULL };
+ acpi_handle handle = ACPI_HANDLE(data->dev);
+ union acpi_object *obj;
+ acpi_status status;
+ int ret = 0;
+
+ /*
+ * This returns a buffer telling the button usage ID,
+ * and triggers pending notify events (The ones before booting).
+ */
+ status = acpi_evaluate_object_typed(handle, "GHID", NULL, &buffer, ACPI_TYPE_BUFFER);
+ if (ACPI_FAILURE(status))
+ return -EIO;
+
+ obj = buffer.pointer;
+ if (!obj)
+ return -ENODATA;
+
+ /*
+ * Quoting the specification:
+ * "The GHID method can return a BYTE, WORD, or DWORD.
+ * The value must be encoded in little-endian byte
+ * order (least significant byte first)."
+ */
+ switch (obj->buffer.length) {
+ case 1:
+ data->id = obj->buffer.pointer[0];
+ break;
+ case 2:
+ data->id = get_unaligned_le16(obj->buffer.pointer);
+ break;
+ case 4:
+ data->id = get_unaligned_le32(obj->buffer.pointer);
+ break;
+ default:
+ dev_err(data->dev,
+ FW_BUG "GHID method returned buffer of unexpected length %u\n",
+ obj->buffer.length);
+ ret = -EIO;
+ break;
+ }
+
+ kfree(obj);
+
+ return ret;
+}
+
+static void quickstart_notify_remove(void *context)
+{
+ struct quickstart_data *data = context;
+ acpi_handle handle;
+
+ handle = ACPI_HANDLE(data->dev);
+
+ acpi_remove_notify_handler(handle, ACPI_DEVICE_NOTIFY, quickstart_notify);
+}
+
+static void quickstart_mutex_destroy(void *data)
+{
+ struct mutex *lock = data;
+
+ mutex_destroy(lock);
+}
+
+static int quickstart_probe(struct platform_device *pdev)
+{
+ struct quickstart_data *data;
+ acpi_handle handle;
+ acpi_status status;
+ int ret;
+
+ handle = ACPI_HANDLE(&pdev->dev);
+ if (!handle)
+ return -ENODEV;
+
+ data = devm_kzalloc(&pdev->dev, sizeof(*data), GFP_KERNEL);
+ if (!data)
+ return -ENOMEM;
+
+ data->dev = &pdev->dev;
+ dev_set_drvdata(&pdev->dev, data);
+
+ mutex_init(&data->input_lock);
+ ret = devm_add_action_or_reset(&pdev->dev, quickstart_mutex_destroy, &data->input_lock);
+ if (ret < 0)
+ return ret;
+
+ /*
+ * We have to initialize the device wakeup before evaluating GHID because
+ * doing so will notify the device if the button was used to wake the machine
+ * from S5.
+ */
+ device_init_wakeup(&pdev->dev, true);
+
+ ret = quickstart_get_ghid(data);
+ if (ret < 0)
+ return ret;
+
+ data->input_device = devm_input_allocate_device(&pdev->dev);
+ if (!data->input_device)
+ return -ENOMEM;
+
+ ret = sparse_keymap_setup(data->input_device, quickstart_keymap, NULL);
+ if (ret < 0)
+ return ret;
+
+ snprintf(data->input_name, sizeof(data->input_name), "Quickstart Button %u", data->id);
+ snprintf(data->phys, sizeof(data->phys), DRIVER_NAME "/input%u", data->id);
+
+ data->input_device->name = data->input_name;
+ data->input_device->phys = data->phys;
+ data->input_device->id.bustype = BUS_HOST;
+
+ ret = input_register_device(data->input_device);
+ if (ret < 0)
+ return ret;
+
+ status = acpi_install_notify_handler(handle, ACPI_DEVICE_NOTIFY, quickstart_notify, data);
+ if (ACPI_FAILURE(status))
+ return -EIO;
+
+ return devm_add_action_or_reset(&pdev->dev, quickstart_notify_remove, data);
+}
+
+static const struct acpi_device_id quickstart_device_ids[] = {
+ { "PNP0C32" },
+ { }
+};
+MODULE_DEVICE_TABLE(acpi, quickstart_device_ids);
+
+static struct platform_driver quickstart_platform_driver = {
+ .driver = {
+ .name = DRIVER_NAME,
+ .dev_groups = quickstart_groups,
+ .probe_type = PROBE_PREFER_ASYNCHRONOUS,
+ .acpi_match_table = quickstart_device_ids,
+ },
+ .probe = quickstart_probe,
+};
+module_platform_driver(quickstart_platform_driver);
+
+MODULE_AUTHOR("Armin Wolf <W_Armin@gmx.de>");
+MODULE_AUTHOR("Arvid Norlander <lkml@vorpal.se>");
+MODULE_AUTHOR("Angelo Arrifano");
+MODULE_DESCRIPTION("ACPI Direct App Launch driver");
+MODULE_LICENSE("GPL");
/* The logic is backwards, yeah, lots of fun... */
for (i = 0; config->performance_levels[i].name; ++i) {
if (sretval.data[0] == config->performance_levels[i].value)
- return sprintf(buf, "%s\n", config->performance_levels[i].name);
+ return sysfs_emit(buf, "%s\n", config->performance_levels[i].name);
}
- return sprintf(buf, "%s\n", "unknown");
+ return sysfs_emit(buf, "%s\n", "unknown");
}
static ssize_t set_performance_level(struct device *dev,
if (ret < 0)
return ret;
- return sprintf(buf, "%d\n", ret);
+ return sysfs_emit(buf, "%d\n", ret);
}
static ssize_t set_battery_life_extender(struct device *dev,
if (ret < 0)
return ret;
- return sprintf(buf, "%d\n", ret);
+ return sysfs_emit(buf, "%d\n", ret);
}
static ssize_t set_usb_charge(struct device *dev,
if (ret < 0)
return ret;
- return sprintf(buf, "%d\n", ret);
+ return sysfs_emit(buf, "%d\n", ret);
}
static ssize_t set_lid_handling(struct device *dev,
#define TLMI_SMP_PWD BIT(6) /* System Management */
#define TLMI_CERT BIT(7) /* Certificate Based */
-#define to_tlmi_pwd_setting(kobj) container_of(kobj, struct tlmi_pwd_setting, kobj)
-#define to_tlmi_attr_setting(kobj) container_of(kobj, struct tlmi_attr_setting, kobj)
-
static const struct tlmi_err_codes tlmi_errs[] = {
{"Success", 0},
{"Not Supported", -EOPNOTSUPP},
static const struct class *fw_attr_class;
static DEFINE_MUTEX(tlmi_mutex);
+static inline struct tlmi_pwd_setting *to_tlmi_pwd_setting(struct kobject *kobj)
+{
+ return container_of(kobj, struct tlmi_pwd_setting, kobj);
+}
+
+static inline struct tlmi_attr_setting *to_tlmi_attr_setting(struct kobject *kobj)
+{
+ return container_of(kobj, struct tlmi_attr_setting, kobj);
+}
+
/* Convert BIOS WMI error string to suitable error code */
static int tlmi_errstr_to_err(const char *errstr)
{
#include <linux/hwmon-sysfs.h>
#include <linux/init.h>
#include <linux/input.h>
+#include <linux/input/sparse-keymap.h>
#include <linux/jiffies.h>
#include <linux/kernel.h>
#include <linux/kthread.h>
/* HKEY events */
enum tpacpi_hkey_event_t {
- /* Hotkey-related */
- TP_HKEY_EV_HOTKEY_BASE = 0x1001, /* first hotkey (FN+F1) */
+ /* Original hotkeys */
+ TP_HKEY_EV_ORIG_KEY_START = 0x1001, /* First hotkey (FN+F1) */
TP_HKEY_EV_BRGHT_UP = 0x1010, /* Brightness up */
TP_HKEY_EV_BRGHT_DOWN = 0x1011, /* Brightness down */
TP_HKEY_EV_KBD_LIGHT = 0x1012, /* Thinklight/kbd backlight */
TP_HKEY_EV_VOL_UP = 0x1015, /* Volume up or unmute */
TP_HKEY_EV_VOL_DOWN = 0x1016, /* Volume down or unmute */
TP_HKEY_EV_VOL_MUTE = 0x1017, /* Mixer output mute */
+ TP_HKEY_EV_ORIG_KEY_END = 0x1020, /* Last original hotkey code */
+
+ /* Adaptive keyboard (2014 X1 Carbon) */
+ TP_HKEY_EV_DFR_CHANGE_ROW = 0x1101, /* Change adaptive kbd Fn row mode */
+ TP_HKEY_EV_DFR_S_QUICKVIEW_ROW = 0x1102, /* Set adap. kbd Fn row to function mode */
+ TP_HKEY_EV_ADAPTIVE_KEY_START = 0x1103, /* First hotkey code on adaptive kbd */
+ TP_HKEY_EV_ADAPTIVE_KEY_END = 0x1116, /* Last hotkey code on adaptive kbd */
+
+ /* Extended hotkey events in 2017+ models */
+ TP_HKEY_EV_EXTENDED_KEY_START = 0x1300, /* First extended hotkey code */
TP_HKEY_EV_PRIVACYGUARD_TOGGLE = 0x130f, /* Toggle priv.guard on/off */
+ TP_HKEY_EV_EXTENDED_KEY_END = 0x1319, /* Last extended hotkey code using
+ * hkey -> scancode translation for
+ * compat. Later codes are entered
+ * directly in the sparse-keymap.
+ */
TP_HKEY_EV_AMT_TOGGLE = 0x131a, /* Toggle AMT on/off */
+ TP_HKEY_EV_DOUBLETAP_TOGGLE = 0x131c, /* Toggle trackpoint doubletap on/off */
TP_HKEY_EV_PROFILE_TOGGLE = 0x131f, /* Toggle platform profile */
/* Reasons for waking up from S3/S4 */
/* Misc */
TP_HKEY_EV_RFKILL_CHANGED = 0x7000, /* rfkill switch changed */
+
+ /* Misc2 */
+ TP_HKEY_EV_TRACK_DOUBLETAP = 0x8036, /* trackpoint doubletap */
};
/****************************************************************************
u32 hotkey_poll_active:1;
u32 has_adaptive_kbd:1;
u32 kbd_lang:1;
+ u32 trackpoint_doubletap:1;
struct quirk_entry *quirks;
} tp_features;
TP_ACPI_HOTKEYSCAN_THINKPAD,
TP_ACPI_HOTKEYSCAN_UNK1,
TP_ACPI_HOTKEYSCAN_UNK2,
- TP_ACPI_HOTKEYSCAN_UNK3,
+ TP_ACPI_HOTKEYSCAN_MICMUTE,
TP_ACPI_HOTKEYSCAN_UNK4,
- TP_ACPI_HOTKEYSCAN_UNK5,
- TP_ACPI_HOTKEYSCAN_UNK6,
- TP_ACPI_HOTKEYSCAN_UNK7,
- TP_ACPI_HOTKEYSCAN_UNK8,
+ TP_ACPI_HOTKEYSCAN_CONFIG,
+ TP_ACPI_HOTKEYSCAN_SEARCH,
+ TP_ACPI_HOTKEYSCAN_SCALE,
+ TP_ACPI_HOTKEYSCAN_FILE,
/* Adaptive keyboard keycodes */
- TP_ACPI_HOTKEYSCAN_ADAPTIVE_START,
+ TP_ACPI_HOTKEYSCAN_ADAPTIVE_START, /* 32 / 0x20 */
TP_ACPI_HOTKEYSCAN_MUTE2 = TP_ACPI_HOTKEYSCAN_ADAPTIVE_START,
TP_ACPI_HOTKEYSCAN_BRIGHTNESS_ZERO,
TP_ACPI_HOTKEYSCAN_CLIPPING_TOOL,
TP_ACPI_HOTKEYSCAN_UNK11,
TP_ACPI_HOTKEYSCAN_UNK12,
TP_ACPI_HOTKEYSCAN_UNK13,
- TP_ACPI_HOTKEYSCAN_CONFIG,
+ TP_ACPI_HOTKEYSCAN_CONFIG2,
TP_ACPI_HOTKEYSCAN_NEW_TAB,
TP_ACPI_HOTKEYSCAN_RELOAD,
TP_ACPI_HOTKEYSCAN_BACK,
TP_ACPI_HOTKEYSCAN_ROTATE_DISPLAY,
/* Lenovo extended keymap, starting at 0x1300 */
- TP_ACPI_HOTKEYSCAN_EXTENDED_START,
+ TP_ACPI_HOTKEYSCAN_EXTENDED_START, /* 52 / 0x34 */
/* first new observed key (star, favorites) is 0x1311 */
TP_ACPI_HOTKEYSCAN_STAR = 69,
TP_ACPI_HOTKEYSCAN_CLIPPING_TOOL2,
TP_ACPI_HOTKEYSCAN_NOTIFICATION_CENTER,
TP_ACPI_HOTKEYSCAN_PICKUP_PHONE,
TP_ACPI_HOTKEYSCAN_HANGUP_PHONE,
-
- /* Hotkey keymap size */
- TPACPI_HOTKEY_MAP_LEN
};
enum { /* Keys/events available through NVRAM polling */
static u32 hotkey_user_mask; /* events visible to userspace */
static u32 hotkey_acpi_mask; /* events enabled in firmware */
-static u16 *hotkey_keycode_map;
-
-static void tpacpi_driver_event(const unsigned int hkey_event);
-static void hotkey_driver_event(const unsigned int scancode);
+static bool tpacpi_driver_event(const unsigned int hkey_event);
static void hotkey_poll_setup(const bool may_warn);
/* HKEY.MHKG() return bits */
}
}
-/* Do NOT call without validating scancode first */
-static void tpacpi_input_send_key(const unsigned int scancode)
+static bool tpacpi_input_send_key(const u32 hkey, bool *send_acpi_ev)
{
- const unsigned int keycode = hotkey_keycode_map[scancode];
-
- if (keycode != KEY_RESERVED) {
- mutex_lock(&tpacpi_inputdev_send_mutex);
+ bool known_ev;
+ u32 scancode;
- input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN, scancode);
- input_report_key(tpacpi_inputdev, keycode, 1);
- input_sync(tpacpi_inputdev);
+ if (tpacpi_driver_event(hkey))
+ return true;
- input_event(tpacpi_inputdev, EV_MSC, MSC_SCAN, scancode);
- input_report_key(tpacpi_inputdev, keycode, 0);
- input_sync(tpacpi_inputdev);
+ /*
+ * Before the conversion to using the sparse-keymap helpers the driver used to
+ * map the hkey event codes to 0x00 - 0x4d scancodes so that a straight scancode
+ * indexed array could be used to map scancodes to keycodes:
+ *
+ * 0x1001 - 0x1020 -> 0x00 - 0x1f (Original ThinkPad events)
+ * 0x1103 - 0x1116 -> 0x20 - 0x33 (Adaptive keyboard, 2014 X1 Carbon)
+ * 0x1300 - 0x1319 -> 0x34 - 0x4d (Additional keys send in 2017+ models)
+ *
+ * The sparse-keymap tables still use these scancodes for these ranges to
+ * preserve userspace API compatibility (e.g. hwdb keymappings).
+ */
+ if (hkey >= TP_HKEY_EV_ORIG_KEY_START &&
+ hkey <= TP_HKEY_EV_ORIG_KEY_END) {
+ scancode = hkey - TP_HKEY_EV_ORIG_KEY_START;
+ if (!(hotkey_user_mask & (1 << scancode)))
+ return true; /* Not reported but still a known code */
+ } else if (hkey >= TP_HKEY_EV_ADAPTIVE_KEY_START &&
+ hkey <= TP_HKEY_EV_ADAPTIVE_KEY_END) {
+ scancode = hkey - TP_HKEY_EV_ADAPTIVE_KEY_START +
+ TP_ACPI_HOTKEYSCAN_ADAPTIVE_START;
+ } else if (hkey >= TP_HKEY_EV_EXTENDED_KEY_START &&
+ hkey <= TP_HKEY_EV_EXTENDED_KEY_END) {
+ scancode = hkey - TP_HKEY_EV_EXTENDED_KEY_START +
+ TP_ACPI_HOTKEYSCAN_EXTENDED_START;
+ } else {
+ /*
+ * Do not send ACPI netlink events for unknown hotkeys, to
+ * avoid userspace starting to rely on them. Instead these
+ * should be added to the keymap to send evdev events.
+ */
+ if (send_acpi_ev)
+ *send_acpi_ev = false;
- mutex_unlock(&tpacpi_inputdev_send_mutex);
+ scancode = hkey;
}
-}
-/* Do NOT call without validating scancode first */
-static void tpacpi_input_send_key_masked(const unsigned int scancode)
-{
- hotkey_driver_event(scancode);
- if (hotkey_user_mask & (1 << scancode))
- tpacpi_input_send_key(scancode);
+ mutex_lock(&tpacpi_inputdev_send_mutex);
+ known_ev = sparse_keymap_report_event(tpacpi_inputdev, scancode, 1, true);
+ mutex_unlock(&tpacpi_inputdev_send_mutex);
+
+ return known_ev;
}
#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
/* Do NOT call without validating scancode first */
static void tpacpi_hotkey_send_key(unsigned int scancode)
{
- tpacpi_input_send_key_masked(scancode);
+ tpacpi_input_send_key(TP_HKEY_EV_ORIG_KEY_START + scancode, NULL);
}
static void hotkey_read_nvram(struct tp_nvram_state *n, const u32 m)
{
}
+static void hotkey_poll_stop_sync(void)
+{
+}
#endif /* CONFIG_THINKPAD_ACPI_HOTKEY_POLL */
static int hotkey_inputdev_open(struct input_dev *dev)
struct device_attribute *attr,
char *buf)
{
- return sprintf(buf, "0\n");
+ return sysfs_emit(buf, "0\n");
}
static DEVICE_ATTR_RO(hotkey_bios_enabled);
static void hotkey_exit(void)
{
-#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
mutex_lock(&hotkey_mutex);
hotkey_poll_stop_sync();
- mutex_unlock(&hotkey_mutex);
-#endif
dbg_printk(TPACPI_DBG_EXIT | TPACPI_DBG_HKEY,
"restoring original HKEY status and mask\n");
/* yes, there is a bitwise or below, we want the
hotkey_mask_set(hotkey_orig_mask)) |
hotkey_status_set(false)) != 0)
pr_err("failed to restore hot key mask to BIOS defaults\n");
-}
-static void __init hotkey_unmap(const unsigned int scancode)
-{
- if (hotkey_keycode_map[scancode] != KEY_RESERVED) {
- clear_bit(hotkey_keycode_map[scancode],
- tpacpi_inputdev->keybit);
- hotkey_keycode_map[scancode] = KEY_RESERVED;
- }
+ mutex_unlock(&hotkey_mutex);
}
/*
TPACPI_Q_IBM('1', 'D', TPACPI_HK_Q_INIMASK), /* X22, X23, X24 */
};
-typedef u16 tpacpi_keymap_entry_t;
-typedef tpacpi_keymap_entry_t tpacpi_keymap_t[TPACPI_HOTKEY_MAP_LEN];
-
static int hotkey_init_tablet_mode(void)
{
int in_tablet_mode = 0, res;
return in_tablet_mode;
}
-static int __init hotkey_init(struct ibm_init_struct *iibm)
-{
- /* Requirements for changing the default keymaps:
- *
- * 1. Many of the keys are mapped to KEY_RESERVED for very
- * good reasons. Do not change them unless you have deep
- * knowledge on the IBM and Lenovo ThinkPad firmware for
- * the various ThinkPad models. The driver behaves
- * differently for KEY_RESERVED: such keys have their
- * hot key mask *unset* in mask_recommended, and also
- * in the initial hot key mask programmed into the
- * firmware at driver load time, which means the firm-
- * ware may react very differently if you change them to
- * something else;
- *
- * 2. You must be subscribed to the linux-thinkpad and
- * ibm-acpi-devel mailing lists, and you should read the
- * list archives since 2007 if you want to change the
- * keymaps. This requirement exists so that you will
- * know the past history of problems with the thinkpad-
- * acpi driver keymaps, and also that you will be
- * listening to any bug reports;
- *
- * 3. Do not send thinkpad-acpi specific patches directly to
- * for merging, *ever*. Send them to the linux-acpi
- * mailinglist for comments. Merging is to be done only
- * through acpi-test and the ACPI maintainer.
- *
- * If the above is too much to ask, don't change the keymap.
- * Ask the thinkpad-acpi maintainer to do it, instead.
+static const struct key_entry keymap_ibm[] __initconst = {
+ /* Original hotkey mappings translated scancodes 0x00 - 0x1f */
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF1, { KEY_FN_F1 } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF2, { KEY_BATTERY } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF3, { KEY_COFFEE } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF4, { KEY_SLEEP } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF5, { KEY_WLAN } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF6, { KEY_FN_F6 } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF7, { KEY_SWITCHVIDEOMODE } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF8, { KEY_FN_F8 } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF9, { KEY_FN_F9 } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF10, { KEY_FN_F10 } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF11, { KEY_FN_F11 } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF12, { KEY_SUSPEND } },
+ /* Brightness: firmware always reacts, suppressed through hotkey_reserved_mask. */
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNHOME, { KEY_BRIGHTNESSUP } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNEND, { KEY_BRIGHTNESSDOWN } },
+ /* Thinklight: firmware always reacts, suppressed through hotkey_reserved_mask. */
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNPAGEUP, { KEY_KBDILLUMTOGGLE } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNSPACE, { KEY_ZOOM } },
+ /*
+ * Volume: firmware always reacts and reprograms the built-in *extra* mixer.
+ * Suppressed by default through hotkey_reserved_mask.
*/
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_VOLUMEUP, { KEY_VOLUMEUP } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_VOLUMEDOWN, { KEY_VOLUMEDOWN } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_MUTE, { KEY_MUTE } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_THINKPAD, { KEY_VENDOR } },
+ { KE_END }
+};
+
+static const struct key_entry keymap_lenovo[] __initconst = {
+ /* Original hotkey mappings translated scancodes 0x00 - 0x1f */
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF1, { KEY_FN_F1 } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF2, { KEY_COFFEE } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF3, { KEY_BATTERY } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF4, { KEY_SLEEP } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF5, { KEY_WLAN } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF6, { KEY_CAMERA, } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF7, { KEY_SWITCHVIDEOMODE } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF8, { KEY_FN_F8 } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF9, { KEY_FN_F9 } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF10, { KEY_FN_F10 } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF11, { KEY_FN_F11 } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNF12, { KEY_SUSPEND } },
+ /*
+ * These should be enabled --only-- when ACPI video is disabled and
+ * are handled in a special way by the init code.
+ */
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNHOME, { KEY_BRIGHTNESSUP } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNEND, { KEY_BRIGHTNESSDOWN } },
+ /* Suppressed by default through hotkey_reserved_mask. */
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNPAGEUP, { KEY_KBDILLUMTOGGLE } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FNSPACE, { KEY_ZOOM } },
+ /*
+ * Volume: z60/z61, T60 (BIOS version?): firmware always reacts and
+ * reprograms the built-in *extra* mixer.
+ * T60?, T61, R60?, R61: firmware and EC tries to send these over
+ * the regular keyboard (not through tpacpi). There are still weird bugs
+ * re. MUTE. May cause the BIOS to interfere with the HDA mixer.
+ * Suppressed by default through hotkey_reserved_mask.
+ */
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_VOLUMEUP, { KEY_VOLUMEUP } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_VOLUMEDOWN, { KEY_VOLUMEDOWN } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_MUTE, { KEY_MUTE } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_THINKPAD, { KEY_VENDOR } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_MICMUTE, { KEY_MICMUTE } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_CONFIG, { KEY_CONFIG } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_SEARCH, { KEY_SEARCH } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_SCALE, { KEY_SCALE } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FILE, { KEY_FILE } },
+ /* Adaptive keyboard mappings for Carbon X1 2014 translated scancodes 0x20 - 0x33 */
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_MUTE2, { KEY_RESERVED } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_BRIGHTNESS_ZERO, { KEY_BRIGHTNESS_MIN } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_CLIPPING_TOOL, { KEY_SELECTIVE_SCREENSHOT } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_CLOUD, { KEY_XFER } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_UNK9, { KEY_RESERVED } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_VOICE, { KEY_VOICECOMMAND } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_UNK10, { KEY_RESERVED } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_GESTURES, { KEY_RESERVED } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_UNK11, { KEY_RESERVED } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_UNK12, { KEY_RESERVED } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_UNK13, { KEY_RESERVED } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_CONFIG2, { KEY_CONFIG } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_NEW_TAB, { KEY_RESERVED } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_RELOAD, { KEY_REFRESH } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_BACK, { KEY_BACK } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_MIC_DOWN, { KEY_RESERVED } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_MIC_UP, { KEY_RESERVED } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_MIC_CANCELLATION, { KEY_RESERVED } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_CAMERA_MODE, { KEY_RESERVED } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_ROTATE_DISPLAY, { KEY_RESERVED } },
+ /* Extended hotkeys mappings translated scancodes 0x34 - 0x4d */
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_STAR, { KEY_BOOKMARKS } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_CLIPPING_TOOL2, { KEY_SELECTIVE_SCREENSHOT } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_CALCULATOR, { KEY_CALC } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_BLUETOOTH, { KEY_BLUETOOTH } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_KEYBOARD, { KEY_KEYBOARD } },
+ /* Used by "Lenovo Quick Clean" */
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_FN_RIGHT_SHIFT, { KEY_FN_RIGHT_SHIFT } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_NOTIFICATION_CENTER, { KEY_NOTIFICATION_CENTER } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_PICKUP_PHONE, { KEY_PICKUP_PHONE } },
+ { KE_KEY, TP_ACPI_HOTKEYSCAN_HANGUP_PHONE, { KEY_HANGUP_PHONE } },
+ /*
+ * All mapping below are for raw untranslated hkey event codes mapped directly
+ * after switching to sparse keymap support. The mappings above use translated
+ * scancodes to preserve uAPI compatibility, see tpacpi_input_send_key().
+ */
+ { KE_KEY, 0x131d, { KEY_VENDOR } }, /* System debug info, similar to old ThinkPad key */
+ { KE_KEY, TP_HKEY_EV_TRACK_DOUBLETAP /* 0x8036 */, { KEY_PROG4 } },
+ { KE_END }
+};
+static int __init hotkey_init(struct ibm_init_struct *iibm)
+{
enum keymap_index {
TPACPI_KEYMAP_IBM_GENERIC = 0,
TPACPI_KEYMAP_LENOVO_GENERIC,
};
- static const tpacpi_keymap_t tpacpi_keymaps[] __initconst = {
- /* Generic keymap for IBM ThinkPads */
- [TPACPI_KEYMAP_IBM_GENERIC] = {
- /* Scan Codes 0x00 to 0x0B: ACPI HKEY FN+F1..F12 */
- KEY_FN_F1, KEY_BATTERY, KEY_COFFEE, KEY_SLEEP,
- KEY_WLAN, KEY_FN_F6, KEY_SWITCHVIDEOMODE, KEY_FN_F8,
- KEY_FN_F9, KEY_FN_F10, KEY_FN_F11, KEY_SUSPEND,
-
- /* Scan codes 0x0C to 0x1F: Other ACPI HKEY hot keys */
- KEY_UNKNOWN, /* 0x0C: FN+BACKSPACE */
- KEY_UNKNOWN, /* 0x0D: FN+INSERT */
- KEY_UNKNOWN, /* 0x0E: FN+DELETE */
-
- /* brightness: firmware always reacts to them */
- KEY_RESERVED, /* 0x0F: FN+HOME (brightness up) */
- KEY_RESERVED, /* 0x10: FN+END (brightness down) */
-
- /* Thinklight: firmware always react to it */
- KEY_RESERVED, /* 0x11: FN+PGUP (thinklight toggle) */
-
- KEY_UNKNOWN, /* 0x12: FN+PGDOWN */
- KEY_ZOOM, /* 0x13: FN+SPACE (zoom) */
-
- /* Volume: firmware always react to it and reprograms
- * the built-in *extra* mixer. Never map it to control
- * another mixer by default. */
- KEY_RESERVED, /* 0x14: VOLUME UP */
- KEY_RESERVED, /* 0x15: VOLUME DOWN */
- KEY_RESERVED, /* 0x16: MUTE */
-
- KEY_VENDOR, /* 0x17: Thinkpad/AccessIBM/Lenovo */
-
- /* (assignments unknown, please report if found) */
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
-
- /* No assignments, only used for Adaptive keyboards. */
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
-
- /* No assignment, used for newer Lenovo models */
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_UNKNOWN, KEY_UNKNOWN
-
- },
-
- /* Generic keymap for Lenovo ThinkPads */
- [TPACPI_KEYMAP_LENOVO_GENERIC] = {
- /* Scan Codes 0x00 to 0x0B: ACPI HKEY FN+F1..F12 */
- KEY_FN_F1, KEY_COFFEE, KEY_BATTERY, KEY_SLEEP,
- KEY_WLAN, KEY_CAMERA, KEY_SWITCHVIDEOMODE, KEY_FN_F8,
- KEY_FN_F9, KEY_FN_F10, KEY_FN_F11, KEY_SUSPEND,
-
- /* Scan codes 0x0C to 0x1F: Other ACPI HKEY hot keys */
- KEY_UNKNOWN, /* 0x0C: FN+BACKSPACE */
- KEY_UNKNOWN, /* 0x0D: FN+INSERT */
- KEY_UNKNOWN, /* 0x0E: FN+DELETE */
-
- /* These should be enabled --only-- when ACPI video
- * is disabled (i.e. in "vendor" mode), and are handled
- * in a special way by the init code */
- KEY_BRIGHTNESSUP, /* 0x0F: FN+HOME (brightness up) */
- KEY_BRIGHTNESSDOWN, /* 0x10: FN+END (brightness down) */
-
- KEY_RESERVED, /* 0x11: FN+PGUP (thinklight toggle) */
-
- KEY_UNKNOWN, /* 0x12: FN+PGDOWN */
- KEY_ZOOM, /* 0x13: FN+SPACE (zoom) */
-
- /* Volume: z60/z61, T60 (BIOS version?): firmware always
- * react to it and reprograms the built-in *extra* mixer.
- * Never map it to control another mixer by default.
- *
- * T60?, T61, R60?, R61: firmware and EC tries to send
- * these over the regular keyboard, so these are no-ops,
- * but there are still weird bugs re. MUTE, so do not
- * change unless you get test reports from all Lenovo
- * models. May cause the BIOS to interfere with the
- * HDA mixer.
- */
- KEY_RESERVED, /* 0x14: VOLUME UP */
- KEY_RESERVED, /* 0x15: VOLUME DOWN */
- KEY_RESERVED, /* 0x16: MUTE */
-
- KEY_VENDOR, /* 0x17: Thinkpad/AccessIBM/Lenovo */
-
- /* (assignments unknown, please report if found) */
- KEY_UNKNOWN, KEY_UNKNOWN,
-
- /*
- * The mic mute button only sends 0x1a. It does not
- * automatically mute the mic or change the mute light.
- */
- KEY_MICMUTE, /* 0x1a: Mic mute (since ?400 or so) */
-
- /* (assignments unknown, please report if found) */
- KEY_UNKNOWN,
-
- /* Extra keys in use since the X240 / T440 / T540 */
- KEY_CONFIG, KEY_SEARCH, KEY_SCALE, KEY_FILE,
-
- /*
- * These are the adaptive keyboard keycodes for Carbon X1 2014.
- * The first item in this list is the Mute button which is
- * emitted with 0x103 through
- * adaptive_keyboard_hotkey_notify_hotkey() when the sound
- * symbol is held.
- * We'll need to offset those by 0x20.
- */
- KEY_RESERVED, /* Mute held, 0x103 */
- KEY_BRIGHTNESS_MIN, /* Backlight off */
- KEY_RESERVED, /* Clipping tool */
- KEY_RESERVED, /* Cloud */
- KEY_RESERVED,
- KEY_VOICECOMMAND, /* Voice */
- KEY_RESERVED,
- KEY_RESERVED, /* Gestures */
- KEY_RESERVED,
- KEY_RESERVED,
- KEY_RESERVED,
- KEY_CONFIG, /* Settings */
- KEY_RESERVED, /* New tab */
- KEY_REFRESH, /* Reload */
- KEY_BACK, /* Back */
- KEY_RESERVED, /* Microphone down */
- KEY_RESERVED, /* Microphone up */
- KEY_RESERVED, /* Microphone cancellation */
- KEY_RESERVED, /* Camera mode */
- KEY_RESERVED, /* Rotate display, 0x116 */
-
- /*
- * These are found in 2017 models (e.g. T470s, X270).
- * The lowest known value is 0x311, which according to
- * the manual should launch a user defined favorite
- * application.
- *
- * The offset for these is TP_ACPI_HOTKEYSCAN_EXTENDED_START,
- * corresponding to 0x34.
- */
-
- /* (assignments unknown, please report if found) */
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN, KEY_UNKNOWN,
- KEY_UNKNOWN,
-
- KEY_BOOKMARKS, /* Favorite app, 0x311 */
- KEY_SELECTIVE_SCREENSHOT, /* Clipping tool */
- KEY_CALC, /* Calculator (above numpad, P52) */
- KEY_BLUETOOTH, /* Bluetooth */
- KEY_KEYBOARD, /* Keyboard, 0x315 */
- KEY_FN_RIGHT_SHIFT, /* Fn + right Shift */
- KEY_NOTIFICATION_CENTER, /* Notification Center */
- KEY_PICKUP_PHONE, /* Answer incoming call */
- KEY_HANGUP_PHONE, /* Decline incoming call */
- },
- };
-
static const struct tpacpi_quirk tpacpi_keymap_qtable[] __initconst = {
/* Generic maps (fallback) */
{
},
};
-#define TPACPI_HOTKEY_MAP_SIZE sizeof(tpacpi_keymap_t)
-#define TPACPI_HOTKEY_MAP_TYPESIZE sizeof(tpacpi_keymap_entry_t)
-
- int res, i;
- int status;
- int hkeyv;
+ unsigned long keymap_id, quirks;
+ const struct key_entry *keymap;
bool radiosw_state = false;
bool tabletsw_state = false;
-
- unsigned long quirks;
- unsigned long keymap_id;
+ int hkeyv, res, status;
vdbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
"initializing hotkey subdriver\n");
/* Set up key map */
keymap_id = tpacpi_check_quirks(tpacpi_keymap_qtable,
ARRAY_SIZE(tpacpi_keymap_qtable));
- BUG_ON(keymap_id >= ARRAY_SIZE(tpacpi_keymaps));
dbg_printk(TPACPI_DBG_INIT | TPACPI_DBG_HKEY,
"using keymap number %lu\n", keymap_id);
- hotkey_keycode_map = kmemdup(&tpacpi_keymaps[keymap_id],
- TPACPI_HOTKEY_MAP_SIZE, GFP_KERNEL);
- if (!hotkey_keycode_map) {
- pr_err("failed to allocate memory for key map\n");
- return -ENOMEM;
+ /* Keys which should be reserved on both IBM and Lenovo models */
+ hotkey_reserved_mask = TP_ACPI_HKEY_KBD_LIGHT_MASK |
+ TP_ACPI_HKEY_VOLUP_MASK |
+ TP_ACPI_HKEY_VOLDWN_MASK |
+ TP_ACPI_HKEY_MUTE_MASK;
+ /*
+ * Reserve brightness up/down unconditionally on IBM models, on Lenovo
+ * models these are disabled based on acpi_video_get_backlight_type().
+ */
+ if (keymap_id == TPACPI_KEYMAP_IBM_GENERIC) {
+ hotkey_reserved_mask |= TP_ACPI_HKEY_BRGHTUP_MASK |
+ TP_ACPI_HKEY_BRGHTDWN_MASK;
+ keymap = keymap_ibm;
+ } else {
+ keymap = keymap_lenovo;
}
- input_set_capability(tpacpi_inputdev, EV_MSC, MSC_SCAN);
- tpacpi_inputdev->keycodesize = TPACPI_HOTKEY_MAP_TYPESIZE;
- tpacpi_inputdev->keycodemax = TPACPI_HOTKEY_MAP_LEN;
- tpacpi_inputdev->keycode = hotkey_keycode_map;
- for (i = 0; i < TPACPI_HOTKEY_MAP_LEN; i++) {
- if (hotkey_keycode_map[i] != KEY_RESERVED) {
- input_set_capability(tpacpi_inputdev, EV_KEY,
- hotkey_keycode_map[i]);
- } else {
- if (i < sizeof(hotkey_reserved_mask)*8)
- hotkey_reserved_mask |= 1 << i;
- }
- }
+ res = sparse_keymap_setup(tpacpi_inputdev, keymap, NULL);
+ if (res)
+ return res;
if (tp_features.hotkey_wlsw) {
input_set_capability(tpacpi_inputdev, EV_SW, SW_RFKILL_ALL);
/* Disable brightness up/down on Lenovo thinkpads when
* ACPI is handling them, otherwise it is plain impossible
* for userspace to do something even remotely sane */
- hotkey_reserved_mask |=
- (1 << TP_ACPI_HOTKEYSCAN_FNHOME)
- | (1 << TP_ACPI_HOTKEYSCAN_FNEND);
- hotkey_unmap(TP_ACPI_HOTKEYSCAN_FNHOME);
- hotkey_unmap(TP_ACPI_HOTKEYSCAN_FNEND);
+ hotkey_reserved_mask |= TP_ACPI_HKEY_BRGHTUP_MASK |
+ TP_ACPI_HKEY_BRGHTDWN_MASK;
}
#ifdef CONFIG_THINKPAD_ACPI_HOTKEY_POLL
hotkey_poll_setup_safe(true);
+ /* Enable doubletap by default */
+ tp_features.trackpoint_doubletap = 1;
+
return 0;
}
FUNCTION_MODE
};
-#define DFR_CHANGE_ROW 0x101
-#define DFR_SHOW_QUICKVIEW_ROW 0x102
-#define FIRST_ADAPTIVE_KEY 0x103
-
/* press Fn key a while second, it will switch to Function Mode. Then
* release Fn key, previous mode be restored.
*/
return adaptive_keyboard_modes[i];
}
-static bool adaptive_keyboard_hotkey_notify_hotkey(unsigned int scancode)
+static void adaptive_keyboard_change_row(void)
{
- int current_mode = 0;
- int new_mode = 0;
- int keycode;
-
- switch (scancode) {
- case DFR_CHANGE_ROW:
- if (adaptive_keyboard_mode_is_saved) {
- new_mode = adaptive_keyboard_prev_mode;
- adaptive_keyboard_mode_is_saved = false;
- } else {
- current_mode = adaptive_keyboard_get_mode();
- if (current_mode < 0)
- return false;
- new_mode = adaptive_keyboard_get_next_mode(
- current_mode);
- }
-
- if (adaptive_keyboard_set_mode(new_mode) < 0)
- return false;
-
- return true;
-
- case DFR_SHOW_QUICKVIEW_ROW:
- current_mode = adaptive_keyboard_get_mode();
- if (current_mode < 0)
- return false;
-
- adaptive_keyboard_prev_mode = current_mode;
- adaptive_keyboard_mode_is_saved = true;
+ int mode;
- if (adaptive_keyboard_set_mode (FUNCTION_MODE) < 0)
- return false;
- return true;
-
- default:
- if (scancode < FIRST_ADAPTIVE_KEY ||
- scancode >= FIRST_ADAPTIVE_KEY +
- TP_ACPI_HOTKEYSCAN_EXTENDED_START -
- TP_ACPI_HOTKEYSCAN_ADAPTIVE_START) {
- pr_info("Unhandled adaptive keyboard key: 0x%x\n",
- scancode);
- return false;
- }
- keycode = hotkey_keycode_map[scancode - FIRST_ADAPTIVE_KEY +
- TP_ACPI_HOTKEYSCAN_ADAPTIVE_START];
- if (keycode != KEY_RESERVED) {
- mutex_lock(&tpacpi_inputdev_send_mutex);
-
- input_report_key(tpacpi_inputdev, keycode, 1);
- input_sync(tpacpi_inputdev);
-
- input_report_key(tpacpi_inputdev, keycode, 0);
- input_sync(tpacpi_inputdev);
-
- mutex_unlock(&tpacpi_inputdev_send_mutex);
- }
- return true;
+ if (adaptive_keyboard_mode_is_saved) {
+ mode = adaptive_keyboard_prev_mode;
+ adaptive_keyboard_mode_is_saved = false;
+ } else {
+ mode = adaptive_keyboard_get_mode();
+ if (mode < 0)
+ return;
+ mode = adaptive_keyboard_get_next_mode(mode);
}
+
+ adaptive_keyboard_set_mode(mode);
}
-static bool hotkey_notify_extended_hotkey(const u32 hkey)
+static void adaptive_keyboard_s_quickview_row(void)
{
- unsigned int scancode;
+ int mode;
- switch (hkey) {
- case TP_HKEY_EV_PRIVACYGUARD_TOGGLE:
- case TP_HKEY_EV_AMT_TOGGLE:
- case TP_HKEY_EV_PROFILE_TOGGLE:
- tpacpi_driver_event(hkey);
- return true;
- }
+ mode = adaptive_keyboard_get_mode();
+ if (mode < 0)
+ return;
- /* Extended keycodes start at 0x300 and our offset into the map
- * TP_ACPI_HOTKEYSCAN_EXTENDED_START. The calculated scancode
- * will be positive, but might not be in the correct range.
- */
- scancode = (hkey & 0xfff) - (0x300 - TP_ACPI_HOTKEYSCAN_EXTENDED_START);
- if (scancode >= TP_ACPI_HOTKEYSCAN_EXTENDED_START &&
- scancode < TPACPI_HOTKEY_MAP_LEN) {
- tpacpi_input_send_key(scancode);
- return true;
- }
+ adaptive_keyboard_prev_mode = mode;
+ adaptive_keyboard_mode_is_saved = true;
- return false;
+ adaptive_keyboard_set_mode(FUNCTION_MODE);
}
-static bool hotkey_notify_hotkey(const u32 hkey,
- bool *send_acpi_ev,
- bool *ignore_acpi_ev)
+/* 0x1000-0x1FFF: key presses */
+static bool hotkey_notify_hotkey(const u32 hkey, bool *send_acpi_ev)
{
- /* 0x1000-0x1FFF: key presses */
- unsigned int scancode = hkey & 0xfff;
- *send_acpi_ev = true;
- *ignore_acpi_ev = false;
+ /* Never send ACPI netlink events for original hotkeys (hkey: 0x1001 - 0x1020) */
+ if (hkey >= TP_HKEY_EV_ORIG_KEY_START && hkey <= TP_HKEY_EV_ORIG_KEY_END) {
+ *send_acpi_ev = false;
- /*
- * Original events are in the 0x10XX range, the adaptive keyboard
- * found in 2014 X1 Carbon emits events are of 0x11XX. In 2017
- * models, additional keys are emitted through 0x13XX.
- */
- switch ((hkey >> 8) & 0xf) {
- case 0:
- if (scancode > 0 &&
- scancode <= TP_ACPI_HOTKEYSCAN_ADAPTIVE_START) {
- /* HKEY event 0x1001 is scancode 0x00 */
- scancode--;
- if (!(hotkey_source_mask & (1 << scancode))) {
- tpacpi_input_send_key_masked(scancode);
- *send_acpi_ev = false;
- } else {
- *ignore_acpi_ev = true;
- }
+ /* Original hotkeys may be polled from NVRAM instead */
+ unsigned int scancode = hkey - TP_HKEY_EV_ORIG_KEY_START;
+ if (hotkey_source_mask & (1 << scancode))
return true;
- }
- break;
-
- case 1:
- return adaptive_keyboard_hotkey_notify_hotkey(scancode);
-
- case 3:
- return hotkey_notify_extended_hotkey(hkey);
}
- return false;
+ return tpacpi_input_send_key(hkey, send_acpi_ev);
}
-static bool hotkey_notify_wakeup(const u32 hkey,
- bool *send_acpi_ev,
- bool *ignore_acpi_ev)
+/* 0x2000-0x2FFF: Wakeup reason */
+static bool hotkey_notify_wakeup(const u32 hkey, bool *send_acpi_ev)
{
- /* 0x2000-0x2FFF: Wakeup reason */
- *send_acpi_ev = true;
- *ignore_acpi_ev = false;
-
switch (hkey) {
case TP_HKEY_EV_WKUP_S3_UNDOCK: /* suspend, undock */
case TP_HKEY_EV_WKUP_S4_UNDOCK: /* hibernation, undock */
hotkey_wakeup_reason = TP_ACPI_WAKEUP_UNDOCK;
- *ignore_acpi_ev = true;
+ *send_acpi_ev = false;
break;
case TP_HKEY_EV_WKUP_S3_BAYEJ: /* suspend, bay eject */
case TP_HKEY_EV_WKUP_S4_BAYEJ: /* hibernation, bay eject */
hotkey_wakeup_reason = TP_ACPI_WAKEUP_BAYEJ;
- *ignore_acpi_ev = true;
+ *send_acpi_ev = false;
break;
case TP_HKEY_EV_WKUP_S3_BATLOW: /* Battery on critical low level/S3 */
return true;
}
-static bool hotkey_notify_dockevent(const u32 hkey,
- bool *send_acpi_ev,
- bool *ignore_acpi_ev)
+/* 0x4000-0x4FFF: dock-related events */
+static bool hotkey_notify_dockevent(const u32 hkey, bool *send_acpi_ev)
{
- /* 0x4000-0x4FFF: dock-related events */
- *send_acpi_ev = true;
- *ignore_acpi_ev = false;
-
switch (hkey) {
case TP_HKEY_EV_UNDOCK_ACK:
/* ACPI undock operation completed after wakeup */
case TP_HKEY_EV_KBD_COVER_ATTACH:
case TP_HKEY_EV_KBD_COVER_DETACH:
*send_acpi_ev = false;
- *ignore_acpi_ev = true;
return true;
default:
}
}
-static bool hotkey_notify_usrevent(const u32 hkey,
- bool *send_acpi_ev,
- bool *ignore_acpi_ev)
+/* 0x5000-0x5FFF: human interface helpers */
+static bool hotkey_notify_usrevent(const u32 hkey, bool *send_acpi_ev)
{
- /* 0x5000-0x5FFF: human interface helpers */
- *send_acpi_ev = true;
- *ignore_acpi_ev = false;
-
switch (hkey) {
case TP_HKEY_EV_PEN_INSERTED: /* X61t: tablet pen inserted into bay */
case TP_HKEY_EV_PEN_REMOVED: /* X61t: tablet pen removed from bay */
case TP_HKEY_EV_LID_OPEN: /* Lid opened */
case TP_HKEY_EV_BRGHT_CHANGED: /* brightness changed */
/* do not propagate these events */
- *ignore_acpi_ev = true;
+ *send_acpi_ev = false;
return true;
default:
static void thermal_dump_all_sensors(void);
static void palmsensor_refresh(void);
-static bool hotkey_notify_6xxx(const u32 hkey,
- bool *send_acpi_ev,
- bool *ignore_acpi_ev)
+/* 0x6000-0x6FFF: thermal alarms/notices and keyboard events */
+static bool hotkey_notify_6xxx(const u32 hkey, bool *send_acpi_ev)
{
- /* 0x6000-0x6FFF: thermal alarms/notices and keyboard events */
- *send_acpi_ev = true;
- *ignore_acpi_ev = false;
-
switch (hkey) {
case TP_HKEY_EV_THM_TABLE_CHANGED:
pr_debug("EC reports: Thermal Table has changed\n");
/* key press events, we just ignore them as long as the EC
* is still reporting them in the normal keyboard stream */
*send_acpi_ev = false;
- *ignore_acpi_ev = true;
return true;
case TP_HKEY_EV_KEY_FN_ESC:
/* Get the media key status to force the status LED to update */
acpi_evalf(hkey_handle, NULL, "GMKS", "v");
*send_acpi_ev = false;
- *ignore_acpi_ev = true;
return true;
case TP_HKEY_EV_TABLET_CHANGED:
return true;
}
+static bool hotkey_notify_8xxx(const u32 hkey, bool *send_acpi_ev)
+{
+ switch (hkey) {
+ case TP_HKEY_EV_TRACK_DOUBLETAP:
+ if (tp_features.trackpoint_doubletap)
+ tpacpi_input_send_key(hkey, send_acpi_ev);
+
+ return true;
+ default:
+ return false;
+ }
+}
+
static void hotkey_notify(struct ibm_struct *ibm, u32 event)
{
u32 hkey;
bool send_acpi_ev;
- bool ignore_acpi_ev;
bool known_ev;
if (event != 0x80) {
}
send_acpi_ev = true;
- ignore_acpi_ev = false;
+ known_ev = false;
switch (hkey >> 12) {
case 1:
/* 0x1000-0x1FFF: key presses */
- known_ev = hotkey_notify_hotkey(hkey, &send_acpi_ev,
- &ignore_acpi_ev);
+ known_ev = hotkey_notify_hotkey(hkey, &send_acpi_ev);
break;
case 2:
/* 0x2000-0x2FFF: Wakeup reason */
- known_ev = hotkey_notify_wakeup(hkey, &send_acpi_ev,
- &ignore_acpi_ev);
+ known_ev = hotkey_notify_wakeup(hkey, &send_acpi_ev);
break;
case 3:
/* 0x3000-0x3FFF: bay-related wakeups */
/* FIXME: kick libata if SATA link offline */
known_ev = true;
break;
- default:
- known_ev = false;
}
break;
case 4:
/* 0x4000-0x4FFF: dock-related events */
- known_ev = hotkey_notify_dockevent(hkey, &send_acpi_ev,
- &ignore_acpi_ev);
+ known_ev = hotkey_notify_dockevent(hkey, &send_acpi_ev);
break;
case 5:
/* 0x5000-0x5FFF: human interface helpers */
- known_ev = hotkey_notify_usrevent(hkey, &send_acpi_ev,
- &ignore_acpi_ev);
+ known_ev = hotkey_notify_usrevent(hkey, &send_acpi_ev);
break;
case 6:
/* 0x6000-0x6FFF: thermal alarms/notices and
* keyboard events */
- known_ev = hotkey_notify_6xxx(hkey, &send_acpi_ev,
- &ignore_acpi_ev);
+ known_ev = hotkey_notify_6xxx(hkey, &send_acpi_ev);
break;
case 7:
/* 0x7000-0x7FFF: misc */
if (tp_features.hotkey_wlsw &&
hkey == TP_HKEY_EV_RFKILL_CHANGED) {
tpacpi_send_radiosw_update();
- send_acpi_ev = 0;
+ send_acpi_ev = false;
known_ev = true;
- break;
}
- fallthrough; /* to default */
- default:
- known_ev = false;
+ break;
+ case 8:
+ /* 0x8000-0x8FFF: misc2 */
+ known_ev = hotkey_notify_8xxx(hkey, &send_acpi_ev);
+ break;
}
if (!known_ev) {
pr_notice("unhandled HKEY event 0x%04x\n", hkey);
}
/* netlink events */
- if (!ignore_acpi_ev && send_acpi_ev) {
+ if (send_acpi_ev) {
acpi_bus_generate_netlink_event(
ibm->acpi->device->pnp.device_class,
dev_name(&ibm->acpi->device->dev),
battery = BAT_PRIMARY;
if (tpacpi_battery_get(what, battery, &ret))
return -ENODEV;
- return sprintf(buf, "%d\n", ret);
+ return sysfs_emit(buf, "%d\n", ret);
}
static ssize_t charge_control_start_threshold_show(struct device *device,
* HKEY event callout for other subdrivers go here
* (yes, it is ugly, but it is quick, safe, and gets the job done
*/
-static void tpacpi_driver_event(const unsigned int hkey_event)
+static bool tpacpi_driver_event(const unsigned int hkey_event)
{
- if (ibm_backlight_device) {
- switch (hkey_event) {
- case TP_HKEY_EV_BRGHT_UP:
- case TP_HKEY_EV_BRGHT_DOWN:
+ switch (hkey_event) {
+ case TP_HKEY_EV_BRGHT_UP:
+ case TP_HKEY_EV_BRGHT_DOWN:
+ if (ibm_backlight_device)
tpacpi_brightness_notify_change();
- }
- }
- if (alsa_card) {
- switch (hkey_event) {
- case TP_HKEY_EV_VOL_UP:
- case TP_HKEY_EV_VOL_DOWN:
- case TP_HKEY_EV_VOL_MUTE:
+ /*
+ * Key press events are suppressed by default hotkey_user_mask
+ * and should still be reported if explicitly requested.
+ */
+ return false;
+ case TP_HKEY_EV_VOL_UP:
+ case TP_HKEY_EV_VOL_DOWN:
+ case TP_HKEY_EV_VOL_MUTE:
+ if (alsa_card)
volume_alsa_notify_change();
- }
- }
- if (tp_features.kbdlight && hkey_event == TP_HKEY_EV_KBD_LIGHT) {
- enum led_brightness brightness;
- mutex_lock(&kbdlight_mutex);
+ /* Key events are suppressed by default hotkey_user_mask */
+ return false;
+ case TP_HKEY_EV_KBD_LIGHT:
+ if (tp_features.kbdlight) {
+ enum led_brightness brightness;
- /*
- * Check the brightness actually changed, setting the brightness
- * through kbdlight_set_level() also triggers this event.
- */
- brightness = kbdlight_sysfs_get(NULL);
- if (kbdlight_brightness != brightness) {
- kbdlight_brightness = brightness;
- led_classdev_notify_brightness_hw_changed(
- &tpacpi_led_kbdlight.led_classdev, brightness);
- }
+ mutex_lock(&kbdlight_mutex);
- mutex_unlock(&kbdlight_mutex);
- }
+ /*
+ * Check the brightness actually changed, setting the brightness
+ * through kbdlight_set_level() also triggers this event.
+ */
+ brightness = kbdlight_sysfs_get(NULL);
+ if (kbdlight_brightness != brightness) {
+ kbdlight_brightness = brightness;
+ led_classdev_notify_brightness_hw_changed(
+ &tpacpi_led_kbdlight.led_classdev, brightness);
+ }
- if (hkey_event == TP_HKEY_EV_THM_CSM_COMPLETED) {
+ mutex_unlock(&kbdlight_mutex);
+ }
+ /* Key events are suppressed by default hotkey_user_mask */
+ return false;
+ case TP_HKEY_EV_DFR_CHANGE_ROW:
+ adaptive_keyboard_change_row();
+ return true;
+ case TP_HKEY_EV_DFR_S_QUICKVIEW_ROW:
+ adaptive_keyboard_s_quickview_row();
+ return true;
+ case TP_HKEY_EV_THM_CSM_COMPLETED:
lapsensor_refresh();
/* If we are already accessing DYTC then skip dytc update */
if (!atomic_add_unless(&dytc_ignore_event, -1, 0))
dytc_profile_refresh();
- }
-
- if (lcdshadow_dev && hkey_event == TP_HKEY_EV_PRIVACYGUARD_TOGGLE) {
- enum drm_privacy_screen_status old_hw_state;
- bool changed;
-
- mutex_lock(&lcdshadow_dev->lock);
- old_hw_state = lcdshadow_dev->hw_state;
- lcdshadow_get_hw_state(lcdshadow_dev);
- changed = lcdshadow_dev->hw_state != old_hw_state;
- mutex_unlock(&lcdshadow_dev->lock);
- if (changed)
- drm_privacy_screen_call_notifier_chain(lcdshadow_dev);
- }
- if (hkey_event == TP_HKEY_EV_AMT_TOGGLE) {
+ return true;
+ case TP_HKEY_EV_PRIVACYGUARD_TOGGLE:
+ if (lcdshadow_dev) {
+ enum drm_privacy_screen_status old_hw_state;
+ bool changed;
+
+ mutex_lock(&lcdshadow_dev->lock);
+ old_hw_state = lcdshadow_dev->hw_state;
+ lcdshadow_get_hw_state(lcdshadow_dev);
+ changed = lcdshadow_dev->hw_state != old_hw_state;
+ mutex_unlock(&lcdshadow_dev->lock);
+
+ if (changed)
+ drm_privacy_screen_call_notifier_chain(lcdshadow_dev);
+ }
+ return true;
+ case TP_HKEY_EV_AMT_TOGGLE:
/* If we're enabling AMT we need to force balanced mode */
if (!dytc_amt_active)
/* This will also set AMT mode enabled */
dytc_profile_set(NULL, PLATFORM_PROFILE_BALANCED);
else
dytc_control_amt(!dytc_amt_active);
+
+ return true;
+ case TP_HKEY_EV_DOUBLETAP_TOGGLE:
+ tp_features.trackpoint_doubletap = !tp_features.trackpoint_doubletap;
+ return true;
+ case TP_HKEY_EV_PROFILE_TOGGLE:
+ platform_profile_cycle();
+ return true;
}
- if (hkey_event == TP_HKEY_EV_PROFILE_TOGGLE) {
- switch (dytc_current_profile) {
- case PLATFORM_PROFILE_LOW_POWER:
- dytc_profile_set(NULL, PLATFORM_PROFILE_BALANCED);
- break;
- case PLATFORM_PROFILE_BALANCED:
- dytc_profile_set(NULL, PLATFORM_PROFILE_PERFORMANCE);
- break;
- case PLATFORM_PROFILE_PERFORMANCE:
- dytc_profile_set(NULL, PLATFORM_PROFILE_LOW_POWER);
- break;
- default:
- pr_warn("Profile HKEY unexpected profile %d", dytc_current_profile);
- }
- /* Notify user space the profile changed */
- platform_profile_notify();
- }
-}
-static void hotkey_driver_event(const unsigned int scancode)
-{
- tpacpi_driver_event(TP_HKEY_EV_HOTKEY_BASE + scancode);
+ return false;
}
/* --------------------------------------------------------------------- */
input_unregister_device(tpacpi_inputdev);
else
input_free_device(tpacpi_inputdev);
- kfree(hotkey_keycode_map);
}
if (tpacpi_sensors_pdev)
MODULE_PARM_DESC(turn_on_panel_on_resume,
"Call HCI_PANEL_POWER_ON on resume (-1 = auto, 0 = no, 1 = yes");
+static int hci_hotkey_quickstart = -1;
+module_param(hci_hotkey_quickstart, int, 0644);
+MODULE_PARM_DESC(hci_hotkey_quickstart,
+ "Call HCI_HOTKEY_EVENT with value 0x5 for quickstart button support (-1 = auto, 0 = no, 1 = yes");
+
#define TOSHIBA_WMI_EVENT_GUID "59142400-C6A3-40FA-BADB-8A2652834100"
/* Scan code for Fn key on TOS1900 models */
#define HCI_ACCEL_MASK 0x7fff
#define HCI_ACCEL_DIRECTION_MASK 0x8000
#define HCI_HOTKEY_DISABLE 0x0b
+#define HCI_HOTKEY_ENABLE_QUICKSTART 0x05
#define HCI_HOTKEY_ENABLE 0x09
#define HCI_HOTKEY_SPECIAL_FUNCTIONS 0x10
#define HCI_LCD_BRIGHTNESS_BITS 3
return -ENODEV;
/*
+ * Enable quickstart buttons if supported.
+ *
* Enable the "Special Functions" mode only if they are
* supported and if they are activated.
*/
- if (dev->kbd_function_keys_supported && dev->special_functions)
+ if (hci_hotkey_quickstart)
+ result = hci_write(dev, HCI_HOTKEY_EVENT,
+ HCI_HOTKEY_ENABLE_QUICKSTART);
+ else if (dev->kbd_function_keys_supported && dev->special_functions)
result = hci_write(dev, HCI_HOTKEY_EVENT,
HCI_HOTKEY_SPECIAL_FUNCTIONS);
else
* works. toshiba_acpi_resume() uses HCI_PANEL_POWER_ON to avoid changing
* the configured brightness level.
*/
-static const struct dmi_system_id turn_on_panel_on_resume_dmi_ids[] = {
+#define QUIRK_TURN_ON_PANEL_ON_RESUME BIT(0)
+/*
+ * Some Toshibas use "quickstart" keys. On these, HCI_HOTKEY_EVENT must use
+ * the value HCI_HOTKEY_ENABLE_QUICKSTART.
+ */
+#define QUIRK_HCI_HOTKEY_QUICKSTART BIT(1)
+
+static const struct dmi_system_id toshiba_dmi_quirks[] = {
{
/* Toshiba Portégé R700 */
/* https://bugzilla.kernel.org/show_bug.cgi?id=21012 */
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
DMI_MATCH(DMI_PRODUCT_NAME, "PORTEGE R700"),
},
+ .driver_data = (void *)QUIRK_TURN_ON_PANEL_ON_RESUME,
},
{
/* Toshiba Satellite/Portégé R830 */
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
DMI_MATCH(DMI_PRODUCT_NAME, "R830"),
},
+ .driver_data = (void *)QUIRK_TURN_ON_PANEL_ON_RESUME,
},
{
/* Toshiba Satellite/Portégé Z830 */
DMI_MATCH(DMI_SYS_VENDOR, "TOSHIBA"),
DMI_MATCH(DMI_PRODUCT_NAME, "Z830"),
},
+ .driver_data = (void *)(QUIRK_TURN_ON_PANEL_ON_RESUME | QUIRK_HCI_HOTKEY_QUICKSTART),
},
};
struct toshiba_acpi_dev *dev;
const char *hci_method;
u32 dummy;
+ const struct dmi_system_id *dmi_id;
+ long quirks = 0;
int ret = 0;
if (toshiba_acpi)
}
#endif
+ dmi_id = dmi_first_match(toshiba_dmi_quirks);
+ if (dmi_id)
+ quirks = (long)dmi_id->driver_data;
+
if (turn_on_panel_on_resume == -1)
- turn_on_panel_on_resume = dmi_check_system(turn_on_panel_on_resume_dmi_ids);
+ turn_on_panel_on_resume = !!(quirks & QUIRK_TURN_ON_PANEL_ON_RESUME);
+
+ if (hci_hotkey_quickstart == -1)
+ hci_hotkey_quickstart = !!(quirks & QUIRK_HCI_HOTKEY_QUICKSTART);
toshiba_wwan_available(dev);
if (dev->wwan_supported)
static ssize_t hub_partition_show(struct uv_bios_hub_info *hub_info, char *buf)
{
- return sprintf(buf, "%d\n", hub_info->f.fields.this_part);
+ return sysfs_emit(buf, "%d\n", hub_info->f.fields.this_part);
}
static ssize_t hub_shared_show(struct uv_bios_hub_info *hub_info, char *buf)
{
- return sprintf(buf, "%d\n", hub_info->f.fields.is_shared);
+ return sysfs_emit(buf, "%d\n", hub_info->f.fields.is_shared);
}
static ssize_t hub_nasid_show(struct uv_bios_hub_info *hub_info, char *buf)
{
int cnode = get_obj_to_cnode(hub_info->id);
- return sprintf(buf, "%d\n", ordinal_to_nasid(cnode));
+ return sysfs_emit(buf, "%d\n", ordinal_to_nasid(cnode));
}
static ssize_t hub_cnode_show(struct uv_bios_hub_info *hub_info, char *buf)
{
- return sprintf(buf, "%d\n", get_obj_to_cnode(hub_info->id));
+ return sysfs_emit(buf, "%d\n", get_obj_to_cnode(hub_info->id));
}
struct hub_sysfs_entry {
static ssize_t uv_port_conn_hub_show(struct uv_bios_port_info *port, char *buf)
{
- return sprintf(buf, "%d\n", port->conn_id);
+ return sysfs_emit(buf, "%d\n", port->conn_id);
}
static ssize_t uv_port_conn_port_show(struct uv_bios_port_info *port, char *buf)
{
- return sprintf(buf, "%d\n", port->conn_port);
+ return sysfs_emit(buf, "%d\n", port->conn_port);
}
struct uv_port_sysfs_entry {
static ssize_t uv_pci_iio_stack_show(struct uv_pci_top_obj *top_obj, char *buf)
{
- return sprintf(buf, "%d\n", top_obj->iio_stack);
+ return sysfs_emit(buf, "%d\n", top_obj->iio_stack);
}
static ssize_t uv_pci_ppb_addr_show(struct uv_pci_top_obj *top_obj, char *buf)
static ssize_t uv_pci_slot_show(struct uv_pci_top_obj *top_obj, char *buf)
{
- return sprintf(buf, "%d\n", top_obj->slot);
+ return sysfs_emit(buf, "%d\n", top_obj->slot);
}
struct uv_pci_top_sysfs_entry {
static ssize_t partition_id_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
- return sprintf(buf, "%ld\n", sn_partition_id);
+ return sysfs_emit(buf, "%ld\n", sn_partition_id);
}
static ssize_t coherence_id_show(struct kobject *kobj,
struct kobj_attribute *attr, char *buf)
{
- return sprintf(buf, "%ld\n", sn_coherency_id);
+ return sysfs_emit(buf, "%ld\n", sn_coherency_id);
}
static ssize_t uv_type_show(struct kobject *kobj,
return 0;
}
+static int ec_read_multiple(u8 address, u8 *buffer, size_t bytes)
+{
+ size_t i;
+ int ret;
+
+ for (i = 0; i < bytes; i++) {
+ ret = ec_read(address + i, &buffer[i]);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
+static int ec_write_multiple(u8 address, u8 *buffer, size_t bytes)
+{
+ size_t i;
+ int ret;
+
+ for (i = 0; i < bytes; i++) {
+ ret = ec_write(address + i, buffer[i]);
+ if (ret < 0)
+ return ret;
+ }
+
+ return 0;
+}
+
/*
* WMI can have EmbeddedControl access regions. In which case, we just want to
* hand these off to the EC driver.
u32 bits, u64 *value,
void *handler_context, void *region_context)
{
- int result = 0;
- u8 temp = 0;
+ int bytes = bits / BITS_PER_BYTE;
+ int ret;
+
+ if (!value)
+ return AE_NULL_ENTRY;
- if ((address > 0xFF) || !value)
+ if (!bytes || bytes > sizeof(*value))
return AE_BAD_PARAMETER;
- if (function != ACPI_READ && function != ACPI_WRITE)
+ if (address > U8_MAX || address + bytes - 1 > U8_MAX)
return AE_BAD_PARAMETER;
- if (bits != 8)
+ if (function != ACPI_READ && function != ACPI_WRITE)
return AE_BAD_PARAMETER;
- if (function == ACPI_READ) {
- result = ec_read(address, &temp);
- *value = temp;
- } else {
- temp = 0xff & *value;
- result = ec_write(address, temp);
- }
+ if (function == ACPI_READ)
+ ret = ec_read_multiple(address, (u8 *)value, bytes);
+ else
+ ret = ec_write_multiple(address, (u8 *)value, bytes);
- switch (result) {
+ switch (ret) {
case -EINVAL:
return AE_BAD_PARAMETER;
case -ENODEV:
return AE_NOT_FOUND;
case -ETIME:
return AE_TIME;
- default:
+ case 0:
return AE_OK;
+ default:
+ return AE_ERROR;
}
}
return -ENOMEM;
lookup->dev_id = KBUILD_MODNAME;
- lookup->table[0].key = chip;
- lookup->table[0].chip_hwnum = pin;
- lookup->table[0].con_id = con_id;
- lookup->table[0].flags = active_low ? GPIO_ACTIVE_LOW : GPIO_ACTIVE_HIGH;
+ lookup->table[0] =
+ GPIO_LOOKUP(chip, pin, con_id, active_low ? GPIO_ACTIVE_LOW : GPIO_ACTIVE_HIGH);
gpiod_add_lookup_table(lookup);
gpiod = devm_gpiod_get(&x86_android_tablet_device->dev, con_id, dflags);
{
int i;
- for (i = 0; i < serdev_count; i++) {
+ for (i = serdev_count - 1; i >= 0; i--) {
if (serdevs[i])
serdev_device_remove(serdevs[i]);
}
kfree(serdevs);
- for (i = 0; i < pdev_count; i++)
+ for (i = pdev_count - 1; i >= 0; i--)
platform_device_unregister(pdevs[i]);
kfree(pdevs);
kfree(buttons);
- for (i = 0; i < spi_dev_count; i++)
+ for (i = spi_dev_count - 1; i >= 0; i--)
spi_unregister_device(spi_devs[i]);
kfree(spi_devs);
- for (i = 0; i < i2c_client_count; i++)
+ for (i = i2c_client_count - 1; i >= 0; i--)
i2c_unregister_device(i2c_clients[i]);
kfree(i2c_clients);
gpiod_add_lookup_table(gpiod_lookup_tables[i]);
if (dev_info->init) {
- ret = dev_info->init();
+ ret = dev_info->init(&pdev->dev);
if (ret < 0) {
x86_android_tablet_remove(pdev);
return ret;
},
.driver_data = (void *)&lenovo_yogabook_x91_info,
},
+ {
+ /*
+ * Lenovo Yoga Tablet 2 Pro 1380F/L (13") This has more or less
+ * the same BIOS as the 830F/L or 1050F/L (8" and 10") below,
+ * but unlike the 8" / 10" models which share the same mainboard
+ * this model has a different mainboard.
+ * This match for the 13" model MUST come before the 8" + 10"
+ * match since that one will also match the 13" model!
+ */
+ .matches = {
+ DMI_MATCH(DMI_SYS_VENDOR, "Intel Corp."),
+ DMI_MATCH(DMI_PRODUCT_NAME, "VALLEYVIEW C0 PLATFORM"),
+ DMI_MATCH(DMI_BOARD_NAME, "BYT-T FFD8"),
+ /* Full match so as to NOT match the 830/1050 BIOS */
+ DMI_MATCH(DMI_BIOS_VERSION, "BLADE_21.X64.0005.R00.1504101516"),
+ },
+ .driver_data = (void *)&lenovo_yoga_tab2_1380_info,
+ },
{
/*
* Lenovo Yoga Tablet 2 830F/L or 1050F/L (The 8" and 10"
#include <linux/pinctrl/machine.h>
#include <linux/platform_data/lp855x.h>
#include <linux/platform_device.h>
+#include <linux/power/bq24190_charger.h>
#include <linux/reboot.h>
#include <linux/rmi.h>
#include <linux/spi/spi.h>
NULL
};
-static int __init lenovo_yb1_x90_init(void)
+static int __init lenovo_yb1_x90_init(struct device *dev)
{
/* Enable the regulators used by the touchscreens */
NULL
};
-static int __init lenovo_yoga_tab2_830_1050_init(void);
+static int __init lenovo_yoga_tab2_830_1050_init(struct device *dev);
static void lenovo_yoga_tab2_830_1050_exit(void);
const struct x86_dev_info lenovo_yoga_tab2_830_1050_info __initconst = {
return NOTIFY_DONE;
}
-static int __init lenovo_yoga_tab2_830_1050_init(void)
+static int __init lenovo_yoga_tab2_830_1050_init(struct device *dev)
{
int ret;
}
}
+/*
+ * Lenovo Yoga Tablet 2 Pro 1380F/L
+ *
+ * The Lenovo Yoga Tablet 2 Pro 1380F/L mostly has the same design as the 830F/L
+ * and the 1050F/L so this re-uses some of the handling for that from above.
+ */
+static const char * const lc824206xa_chg_det_psy[] = { "lc824206xa-charger-detect" };
+
+static const struct property_entry lenovo_yoga_tab2_1380_bq24190_props[] = {
+ PROPERTY_ENTRY_STRING_ARRAY("supplied-from", lc824206xa_chg_det_psy),
+ PROPERTY_ENTRY_REF("monitored-battery", &generic_lipo_hv_4v35_battery_node),
+ PROPERTY_ENTRY_BOOL("omit-battery-class"),
+ PROPERTY_ENTRY_BOOL("disable-reset"),
+ { }
+};
+
+static const struct software_node lenovo_yoga_tab2_1380_bq24190_node = {
+ .properties = lenovo_yoga_tab2_1380_bq24190_props,
+};
+
+/* For enabling the bq24190 5V boost based on id-pin */
+static struct regulator_consumer_supply lc824206xa_consumer = {
+ .supply = "vbus",
+ .dev_name = "i2c-lc824206xa",
+};
+
+static const struct regulator_init_data lenovo_yoga_tab2_1380_bq24190_vbus_init_data = {
+ .constraints = {
+ .name = "bq24190_vbus",
+ .valid_ops_mask = REGULATOR_CHANGE_STATUS,
+ },
+ .consumer_supplies = &lc824206xa_consumer,
+ .num_consumer_supplies = 1,
+};
+
+struct bq24190_platform_data lenovo_yoga_tab2_1380_bq24190_pdata = {
+ .regulator_init_data = &lenovo_yoga_tab2_1380_bq24190_vbus_init_data,
+};
+
+static const struct property_entry lenovo_yoga_tab2_1380_lc824206xa_props[] = {
+ PROPERTY_ENTRY_BOOL("onnn,enable-miclr-for-dcp"),
+ { }
+};
+
+static const struct software_node lenovo_yoga_tab2_1380_lc824206xa_node = {
+ .properties = lenovo_yoga_tab2_1380_lc824206xa_props,
+};
+
+static const char * const lenovo_yoga_tab2_1380_lms303d_mount_matrix[] = {
+ "0", "-1", "0",
+ "-1", "0", "0",
+ "0", "0", "1"
+};
+
+static const struct property_entry lenovo_yoga_tab2_1380_lms303d_props[] = {
+ PROPERTY_ENTRY_STRING_ARRAY("mount-matrix", lenovo_yoga_tab2_1380_lms303d_mount_matrix),
+ { }
+};
+
+static const struct software_node lenovo_yoga_tab2_1380_lms303d_node = {
+ .properties = lenovo_yoga_tab2_1380_lms303d_props,
+};
+
+static const struct x86_i2c_client_info lenovo_yoga_tab2_1380_i2c_clients[] __initconst = {
+ {
+ /* BQ27541 fuel-gauge */
+ .board_info = {
+ .type = "bq27541",
+ .addr = 0x55,
+ .dev_name = "bq27541",
+ .swnode = &fg_bq24190_supply_node,
+ },
+ .adapter_path = "\\_SB_.I2C1",
+ }, {
+ /* bq24292i battery charger */
+ .board_info = {
+ .type = "bq24190",
+ .addr = 0x6b,
+ .dev_name = "bq24292i",
+ .swnode = &lenovo_yoga_tab2_1380_bq24190_node,
+ .platform_data = &lenovo_yoga_tab2_1380_bq24190_pdata,
+ },
+ .adapter_path = "\\_SB_.I2C1",
+ .irq_data = {
+ .type = X86_ACPI_IRQ_TYPE_GPIOINT,
+ .chip = "INT33FC:02",
+ .index = 2,
+ .trigger = ACPI_EDGE_SENSITIVE,
+ .polarity = ACPI_ACTIVE_HIGH,
+ .con_id = "bq24292i_irq",
+ },
+ }, {
+ /* LP8557 Backlight controller */
+ .board_info = {
+ .type = "lp8557",
+ .addr = 0x2c,
+ .dev_name = "lp8557",
+ .platform_data = &lenovo_lp8557_pwm_and_reg_pdata,
+ },
+ .adapter_path = "\\_SB_.I2C3",
+ }, {
+ /* LC824206XA Micro USB Switch */
+ .board_info = {
+ .type = "lc824206xa",
+ .addr = 0x48,
+ .dev_name = "lc824206xa",
+ .swnode = &lenovo_yoga_tab2_1380_lc824206xa_node,
+ },
+ .adapter_path = "\\_SB_.I2C3",
+ .irq_data = {
+ .type = X86_ACPI_IRQ_TYPE_GPIOINT,
+ .chip = "INT33FC:02",
+ .index = 1,
+ .trigger = ACPI_LEVEL_SENSITIVE,
+ .polarity = ACPI_ACTIVE_LOW,
+ .con_id = "lc824206xa_irq",
+ },
+ }, {
+ /* AL3320A ambient light sensor */
+ .board_info = {
+ .type = "al3320a",
+ .addr = 0x1c,
+ .dev_name = "al3320a",
+ },
+ .adapter_path = "\\_SB_.I2C5",
+ }, {
+ /* LSM303DA accelerometer + magnetometer */
+ .board_info = {
+ .type = "lsm303d",
+ .addr = 0x1d,
+ .dev_name = "lsm303d",
+ .swnode = &lenovo_yoga_tab2_1380_lms303d_node,
+ },
+ .adapter_path = "\\_SB_.I2C5",
+ }, {
+ /* Synaptics RMI touchscreen */
+ .board_info = {
+ .type = "rmi4_i2c",
+ .addr = 0x38,
+ .dev_name = "rmi4_i2c",
+ .platform_data = &lenovo_yoga_tab2_830_1050_rmi_pdata,
+ },
+ .adapter_path = "\\_SB_.I2C6",
+ .irq_data = {
+ .type = X86_ACPI_IRQ_TYPE_APIC,
+ .index = 0x45,
+ .trigger = ACPI_EDGE_SENSITIVE,
+ .polarity = ACPI_ACTIVE_HIGH,
+ },
+ }
+};
+
+static const struct platform_device_info lenovo_yoga_tab2_1380_pdevs[] __initconst = {
+ {
+ /* For the Tablet 2 Pro 1380's custom fast charging driver */
+ .name = "lenovo-yoga-tab2-pro-1380-fastcharger",
+ .id = PLATFORM_DEVID_NONE,
+ },
+};
+
+const char * const lenovo_yoga_tab2_1380_modules[] __initconst = {
+ "bq24190_charger", /* For the Vbus regulator for lc824206xa */
+ NULL
+};
+
+static int __init lenovo_yoga_tab2_1380_init(struct device *dev)
+{
+ int ret;
+
+ /* To verify that the DMI matching works vs the 830 / 1050 models */
+ pr_info("detected Lenovo Yoga Tablet 2 Pro 1380F/L\n");
+
+ ret = lenovo_yoga_tab2_830_1050_init_codec();
+ if (ret)
+ return ret;
+
+ /* SYS_OFF_PRIO_FIRMWARE + 1 so that it runs before acpi_power_off */
+ lenovo_yoga_tab2_830_1050_sys_off_handler =
+ register_sys_off_handler(SYS_OFF_MODE_POWER_OFF, SYS_OFF_PRIO_FIRMWARE + 1,
+ lenovo_yoga_tab2_830_1050_power_off, NULL);
+ if (IS_ERR(lenovo_yoga_tab2_830_1050_sys_off_handler))
+ return PTR_ERR(lenovo_yoga_tab2_830_1050_sys_off_handler);
+
+ return 0;
+}
+
+static struct gpiod_lookup_table lenovo_yoga_tab2_1380_fc_gpios = {
+ .dev_id = "serial0-0",
+ .table = {
+ GPIO_LOOKUP("INT33FC:00", 57, "uart3_txd", GPIO_ACTIVE_HIGH),
+ GPIO_LOOKUP("INT33FC:00", 61, "uart3_rxd", GPIO_ACTIVE_HIGH),
+ { }
+ },
+};
+
+static struct gpiod_lookup_table * const lenovo_yoga_tab2_1380_gpios[] = {
+ &lenovo_yoga_tab2_830_1050_codec_gpios,
+ &lenovo_yoga_tab2_1380_fc_gpios,
+ NULL
+};
+
+const struct x86_dev_info lenovo_yoga_tab2_1380_info __initconst = {
+ .i2c_client_info = lenovo_yoga_tab2_1380_i2c_clients,
+ .i2c_client_count = ARRAY_SIZE(lenovo_yoga_tab2_1380_i2c_clients),
+ .pdev_info = lenovo_yoga_tab2_1380_pdevs,
+ .pdev_count = ARRAY_SIZE(lenovo_yoga_tab2_1380_pdevs),
+ .gpio_button = &lenovo_yoga_tab2_830_1050_lid,
+ .gpio_button_count = 1,
+ .gpiod_lookup_tables = lenovo_yoga_tab2_1380_gpios,
+ .bat_swnode = &generic_lipo_hv_4v35_battery_node,
+ .modules = lenovo_yoga_tab2_1380_modules,
+ .init = lenovo_yoga_tab2_1380_init,
+ .exit = lenovo_yoga_tab2_830_1050_exit,
+};
+
/* Lenovo Yoga Tab 3 Pro YT3-X90F */
/*
}
};
-static int __init lenovo_yt3_init(void)
+static int __init lenovo_yt3_init(struct device *dev)
{
int ret;
#include <linux/acpi.h>
#include <linux/gpio/machine.h>
#include <linux/input.h>
+#include <linux/leds.h>
#include <linux/platform_device.h>
+#include <linux/pwm.h>
+
+#include <dt-bindings/leds/common.h>
#include "shared-psy-info.h"
#include "x86-android-tablets.h"
},
};
-static int __init chuwi_hi8_init(void)
+static int __init chuwi_hi8_init(struct device *dev)
{
/*
* Avoid the acpi_unregister_gsi() call in x86_acpi_irq_helper_get()
#define CZC_EC_EXTRA_PORT 0x68
#define CZC_EC_ANDROID_KEYS 0x63
-static int __init czc_p10t_init(void)
+static int __init czc_p10t_init(struct device *dev)
{
/*
* The device boots up in "Windows 7" mode, when the home button sends a
.gpiod_lookup_tables = whitelabel_tm800a550l_gpios,
};
+/*
+ * The fwnode for ktd2026 on Xaomi pad2. It composed of a RGB LED node
+ * with three subnodes for each color (B/G/R). The RGB LED node is named
+ * "multi-led" to align with the name in the device tree.
+ */
+
+/* main fwnode for ktd2026 */
+static const struct software_node ktd2026_node = {
+ .name = "ktd2026",
+};
+
+static const struct property_entry ktd2026_rgb_led_props[] = {
+ PROPERTY_ENTRY_U32("reg", 0),
+ PROPERTY_ENTRY_U32("color", LED_COLOR_ID_RGB),
+ PROPERTY_ENTRY_STRING("label", "mipad2:rgb:indicator"),
+ PROPERTY_ENTRY_STRING("linux,default-trigger", "bq27520-0-charging-orange-full-green"),
+ { }
+};
+
+static const struct software_node ktd2026_rgb_led_node = {
+ .name = "multi-led",
+ .properties = ktd2026_rgb_led_props,
+ .parent = &ktd2026_node,
+};
+
+static const struct property_entry ktd2026_blue_led_props[] = {
+ PROPERTY_ENTRY_U32("reg", 0),
+ PROPERTY_ENTRY_U32("color", LED_COLOR_ID_BLUE),
+ { }
+};
+
+static const struct software_node ktd2026_blue_led_node = {
+ .properties = ktd2026_blue_led_props,
+ .parent = &ktd2026_rgb_led_node,
+};
+
+static const struct property_entry ktd2026_green_led_props[] = {
+ PROPERTY_ENTRY_U32("reg", 1),
+ PROPERTY_ENTRY_U32("color", LED_COLOR_ID_GREEN),
+ { }
+};
+
+static const struct software_node ktd2026_green_led_node = {
+ .properties = ktd2026_green_led_props,
+ .parent = &ktd2026_rgb_led_node,
+};
+
+static const struct property_entry ktd2026_red_led_props[] = {
+ PROPERTY_ENTRY_U32("reg", 2),
+ PROPERTY_ENTRY_U32("color", LED_COLOR_ID_RED),
+ { }
+};
+
+static const struct software_node ktd2026_red_led_node = {
+ .properties = ktd2026_red_led_props,
+ .parent = &ktd2026_rgb_led_node,
+};
+
+static const struct software_node *ktd2026_node_group[] = {
+ &ktd2026_node,
+ &ktd2026_rgb_led_node,
+ &ktd2026_red_led_node,
+ &ktd2026_green_led_node,
+ &ktd2026_blue_led_node,
+ NULL
+};
+
+/*
+ * For the LEDs which backlight the menu / home / back capacitive buttons on
+ * the bottom bezel. These are attached to a TPS61158 LED controller which
+ * is controlled by the "pwm_soc_lpss_2" PWM output.
+ */
+#define XIAOMI_MIPAD2_LED_PERIOD_NS 19200
+#define XIAOMI_MIPAD2_LED_DEFAULT_DUTY 6000 /* From Android kernel */
+
+static struct pwm_device *xiaomi_mipad2_led_pwm;
+
+static int xiaomi_mipad2_brightness_set(struct led_classdev *led_cdev,
+ enum led_brightness val)
+{
+ struct pwm_state state = {
+ .period = XIAOMI_MIPAD2_LED_PERIOD_NS,
+ .duty_cycle = val,
+ /* Always set PWM enabled to avoid the pin floating */
+ .enabled = true,
+ };
+
+ return pwm_apply_might_sleep(xiaomi_mipad2_led_pwm, &state);
+}
+
+static int __init xiaomi_mipad2_init(struct device *dev)
+{
+ struct led_classdev *led_cdev;
+ int ret;
+
+ xiaomi_mipad2_led_pwm = devm_pwm_get(dev, "pwm_soc_lpss_2");
+ if (IS_ERR(xiaomi_mipad2_led_pwm))
+ return dev_err_probe(dev, PTR_ERR(xiaomi_mipad2_led_pwm), "getting pwm\n");
+
+ led_cdev = devm_kzalloc(dev, sizeof(*led_cdev), GFP_KERNEL);
+ if (!led_cdev)
+ return -ENOMEM;
+
+ led_cdev->name = "mipad2:white:touch-buttons-backlight";
+ led_cdev->max_brightness = XIAOMI_MIPAD2_LED_PERIOD_NS;
+ /* "input-events" trigger uses blink_brightness */
+ led_cdev->blink_brightness = XIAOMI_MIPAD2_LED_DEFAULT_DUTY;
+ led_cdev->default_trigger = "input-events";
+ led_cdev->brightness_set_blocking = xiaomi_mipad2_brightness_set;
+
+ ret = devm_led_classdev_register(dev, led_cdev);
+ if (ret)
+ return dev_err_probe(dev, ret, "registering LED\n");
+
+ return software_node_register_node_group(ktd2026_node_group);
+}
+
+static void xiaomi_mipad2_exit(void)
+{
+ software_node_unregister_node_group(ktd2026_node_group);
+}
+
/*
* If the EFI bootloader is not Xiaomi's own signed Android loader, then the
* Xiaomi Mi Pad 2 X86 tablet sets OSID in the DSDT to 1 (Windows), causing
.type = "ktd2026",
.addr = 0x30,
.dev_name = "ktd2026",
+ .swnode = &ktd2026_node,
},
.adapter_path = "\\_SB_.PCI0.I2C3",
},
const struct x86_dev_info xiaomi_mipad2_info __initconst = {
.i2c_client_info = xiaomi_mipad2_i2c_clients,
.i2c_client_count = ARRAY_SIZE(xiaomi_mipad2_i2c_clients),
+ .init = xiaomi_mipad2_init,
+ .exit = xiaomi_mipad2_exit,
};
int pdev_count;
int serdev_count;
int gpio_button_count;
- int (*init)(void);
+ int (*init)(struct device *dev);
void (*exit)(void);
};
extern const struct x86_dev_info lenovo_yogabook_x90_info;
extern const struct x86_dev_info lenovo_yogabook_x91_info;
extern const struct x86_dev_info lenovo_yoga_tab2_830_1050_info;
+extern const struct x86_dev_info lenovo_yoga_tab2_1380_info;
extern const struct x86_dev_info lenovo_yt3_info;
extern const struct x86_dev_info medion_lifetab_s10346_info;
extern const struct x86_dev_info nextbook_ares8_info;
/* WMI driver for Xiaomi Laptops */
#include <linux/acpi.h>
+#include <linux/device.h>
#include <linux/input.h>
#include <linux/module.h>
+#include <linux/mutex.h>
#include <linux/wmi.h>
#include <uapi/linux/input-event-codes.h>
struct xiaomi_wmi {
struct input_dev *input_dev;
+ struct mutex key_lock; /* Protects the key event sequence */
unsigned int key_code;
};
+static void xiaomi_mutex_destroy(void *data)
+{
+ struct mutex *lock = data;
+
+ mutex_destroy(lock);
+}
+
static int xiaomi_wmi_probe(struct wmi_device *wdev, const void *context)
{
struct xiaomi_wmi *data;
+ int ret;
- if (wdev == NULL || context == NULL)
+ if (!context)
return -EINVAL;
data = devm_kzalloc(&wdev->dev, sizeof(struct xiaomi_wmi), GFP_KERNEL);
return -ENOMEM;
dev_set_drvdata(&wdev->dev, data);
+ mutex_init(&data->key_lock);
+ ret = devm_add_action_or_reset(&wdev->dev, xiaomi_mutex_destroy, &data->key_lock);
+ if (ret < 0)
+ return ret;
+
data->input_dev = devm_input_allocate_device(&wdev->dev);
if (data->input_dev == NULL)
return -ENOMEM;
static void xiaomi_wmi_notify(struct wmi_device *wdev, union acpi_object *dummy)
{
- struct xiaomi_wmi *data;
-
- if (wdev == NULL)
- return;
-
- data = dev_get_drvdata(&wdev->dev);
- if (data == NULL)
- return;
+ struct xiaomi_wmi *data = dev_get_drvdata(&wdev->dev);
+ mutex_lock(&data->key_lock);
input_report_key(data->input_dev, data->key_code, 1);
input_sync(data->input_dev);
input_report_key(data->input_dev, data->key_code, 0);
input_sync(data->input_dev);
+ mutex_unlock(&data->key_lock);
}
static const struct wmi_device_id xiaomi_wmi_id_table[] = {
.id_table = xiaomi_wmi_id_table,
.probe = xiaomi_wmi_probe,
.notify = xiaomi_wmi_notify,
+ .no_singleton = true,
};
module_wmi_driver(xiaomi_wmi_driver);
#define LED_FUNCTION_CAPSLOCK "capslock"
#define LED_FUNCTION_SCROLLLOCK "scrolllock"
#define LED_FUNCTION_NUMLOCK "numlock"
+#define LED_FUNCTION_FNLOCK "fnlock"
/* Obsolete equivalents: "tpacpi::thinklight" (IBM/Lenovo Thinkpads),
"lp5523:kb{1,2,3,4,5,6}" (Nokia N900) */
#define LED_FUNCTION_KBD_BACKLIGHT "kbd_backlight"
* detached. A few drivers need delayed work which must be cancelled before
* driver is detached to avoid accessing removed resources.
* devm_delayed_work_autocancel() can be used to omit the explicit
- * cancelleation when driver is detached.
+ * cancellation when driver is detached.
*/
static inline int devm_delayed_work_autocancel(struct device *dev,
struct delayed_work *w,
* A few drivers need to queue work which must be cancelled before driver
* is detached to avoid accessing removed resources.
* devm_work_autocancel() can be used to omit the explicit
- * cancelleation when driver is detached.
+ * cancellation when driver is detached.
*/
static inline int devm_work_autocancel(struct device *dev,
struct work_struct *w,
/**
* struct intel_tpmi_plat_info - Platform information for a TPMI device instance
- * @package_id: CPU Package id
- * @bus_number: PCI bus number
- * @device_number: PCI device number
+ * @cdie_mask: Mask of all compute dies in the partition
+ * @package_id: CPU Package id
+ * @partition: Package partition id when multiple VSEC PCI devices per package
+ * @segment: PCI segment ID
+ * @bus_number: PCI bus number
+ * @device_number: PCI device number
* @function_number: PCI function number
*
* Structure to store platform data for a TPMI device instance. This
* struct is used to return data via tpmi_get_platform_data().
*/
struct intel_tpmi_plat_info {
+ u16 cdie_mask;
u8 package_id;
+ u8 partition;
+ u8 segment;
u8 bus_number;
u8 device_number;
u8 function_number;
#define ASUS_WMI_DEVID_LID_FLIP 0x00060062
#define ASUS_WMI_DEVID_LID_FLIP_ROG 0x00060077
#define ASUS_WMI_DEVID_MINI_LED_MODE 0x0005001E
+#define ASUS_WMI_DEVID_MINI_LED_MODE2 0x0005002E
/* Storage */
#define ASUS_WMI_DEVID_CARDREADER 0x00080013
/* gpu mux switch, 0 = dGPU, 1 = Optimus */
#define ASUS_WMI_DEVID_GPU_MUX 0x00090016
+#define ASUS_WMI_DEVID_GPU_MUX_VIVO 0x00090026
/* TUF laptop RGB modes/colours */
#define ASUS_WMI_DEVID_TUF_RGB_MODE 0x00100056
+#define ASUS_WMI_DEVID_TUF_RGB_MODE2 0x0010005A
/* TUF laptop RGB power/state */
#define ASUS_WMI_DEVID_TUF_RGB_STATE 0x00100057
+/* Bootup sound control */
+#define ASUS_WMI_DEVID_BOOT_SOUND 0x00130022
+
/* DSTS masks */
#define ASUS_WMI_DSTS_STATUS_BIT 0x00000001
#define ASUS_WMI_DSTS_UNKNOWN_BIT 0x00000002
int platform_profile_register(struct platform_profile_handler *pprof);
int platform_profile_remove(void);
+int platform_profile_cycle(void);
void platform_profile_notify(void);
#endif /*_PLATFORM_PROFILE_H_*/
__entry->status = status;
),
- TP_printk("batch: %.2d, start: %.4x, stop: %.4x, status: %.16llx",
+ TP_printk("batch: 0x%.2x, start: 0x%.4x, stop: 0x%.4x, status: 0x%.16llx",
__entry->batch,
__entry->start,
__entry->stop,
--- /dev/null
+dell-uart-backlight-emulator
--- /dev/null
+# SPDX-License-Identifier: GPL-2.0
+# Makefile for Intel Software Defined Silicon provisioning tool
+
+dell-uart-backlight-emulator: dell-uart-backlight-emulator.c
+
+BINDIR ?= /usr/bin
+
+override CFLAGS += -O2 -Wall
+
+%: %.c
+ $(CC) $(CFLAGS) -o $@ $< $(LDFLAGS)
+
+.PHONY : clean
+clean :
+ @rm -f dell-uart-backlight-emulator
+
+install : dell-uart-backlight-emulator
+ install -d $(DESTDIR)$(BINDIR)
+ install -m 755 -p dell-uart-backlight-emulator $(DESTDIR)$(BINDIR)/dell-uart-backlight-emulator
--- /dev/null
+Emulator for DELL0501 UART attached backlight controller
+--------------------------------------------------------
+
+Dell All In One (AIO) models released after 2017 use a backlight controller
+board connected to an UART.
+
+In DSDT this uart port will be defined as:
+
+ Name (_HID, "DELL0501")
+ Name (_CID, EisaId ("PNP0501")
+
+With the DELL0501 indicating that we are dealing with an UART with
+the backlight controller board attached.
+
+This small emulator allows testing
+the drivers/platform/x86/dell/dell-uart-backlight.c driver without access
+to an actual Dell All In One.
+
+This requires:
+1. A (desktop) PC with a 16550 UART on the motherboard and a standard DB9
+ connector connected to this UART.
+2. A DB9 NULL modem cable.
+3. A second DB9 serial port, this can e.g. be a USB to serial converter
+ with a DB9 connector plugged into the same desktop PC.
+4. A DSDT overlay for the desktop PC replacing the _HID of the 16550 UART
+ ACPI Device()Â with "DELL0501" and adding a _CID of "PNP0501", see
+ DSDT.patch for an example of the necessary DSDT changes.
+
+With everything setup and the NULL modem cable connected between
+the 2 serial ports run:
+
+./dell-uart-backlight-emulator <path-to-/dev/tty*S#-for-second-port>
+
+For example when using an USB to serial converter for the second port:
+
+./dell-uart-backlight-emulator /dev/ttyUSB0
+
+And then (re)load the dell-uart-backlight driver:
+
+sudo rmmod dell-uart-backlight; sudo modprobe dell-uart-backlight dyndbg
+
+After this check "dmesg" to see if the driver correctly received
+the firmware version string from the emulator. If this works there
+should be a /sys/class/backlight/dell_uart_backlight/ directory now
+and writes to the brightness or bl_power files should be reflected
+by matching output from the emulator.
--- /dev/null
+// SPDX-License-Identifier: GPL-2.0-or-later
+/*
+ * Dell AIO Serial Backlight board emulator for testing
+ * the Linux dell-uart-backlight driver.
+ *
+ * Copyright (C) 2024 Hans de Goede <hansg@kernel.org>
+ */
+#include <errno.h>
+#include <fcntl.h>
+#include <signal.h>
+#include <stdio.h>
+#include <stdlib.h>
+#include <string.h>
+#include <sys/ioctl.h>
+#include <sys/stat.h>
+#include <sys/types.h>
+#include <sys/un.h>
+#include <termios.h>
+#include <unistd.h>
+
+int serial_fd;
+int brightness = 50;
+
+static unsigned char dell_uart_checksum(unsigned char *buf, int len)
+{
+ unsigned char val = 0;
+
+ while (len-- > 0)
+ val += buf[len];
+
+ return val ^ 0xff;
+}
+
+/* read() will return -1 on SIGINT / SIGTERM causing the mainloop to cleanly exit */
+void signalhdlr(int signum)
+{
+}
+
+int main(int argc, char *argv[])
+{
+ struct sigaction sigact = { .sa_handler = signalhdlr };
+ unsigned char buf[4], csum, response[32];
+ const char *version_str = "PHI23-V321";
+ struct termios tty, saved_tty;
+ int ret, idx, len = 0;
+
+ if (argc != 2) {
+ fprintf(stderr, "Invalid or missing arguments\n");
+ fprintf(stderr, "Usage: %s <serial-port>\n", argv[0]);
+ return 1;
+ }
+
+ serial_fd = open(argv[1], O_RDWR | O_NOCTTY);
+ if (serial_fd == -1) {
+ fprintf(stderr, "Error opening %s: %s\n", argv[1], strerror(errno));
+ return 1;
+ }
+
+ ret = tcgetattr(serial_fd, &tty);
+ if (ret == -1) {
+ fprintf(stderr, "Error getting tcattr: %s\n", strerror(errno));
+ goto out_close;
+ }
+ saved_tty = tty;
+
+ cfsetspeed(&tty, 9600);
+ cfmakeraw(&tty);
+ tty.c_cflag &= ~CSTOPB;
+ tty.c_cflag &= ~CRTSCTS;
+ tty.c_cflag |= CLOCAL | CREAD;
+
+ ret = tcsetattr(serial_fd, TCSANOW, &tty);
+ if (ret == -1) {
+ fprintf(stderr, "Error setting tcattr: %s\n", strerror(errno));
+ goto out_restore;
+ }
+
+ sigaction(SIGINT, &sigact, 0);
+ sigaction(SIGTERM, &sigact, 0);
+
+ idx = 0;
+ while (read(serial_fd, &buf[idx], 1) == 1) {
+ if (idx == 0) {
+ switch (buf[0]) {
+ /* 3 MSB bits: cmd-len + 01010 SOF marker */
+ case 0x6a: len = 3; break;
+ case 0x8a: len = 4; break;
+ default:
+ fprintf(stderr, "Error unexpected first byte: 0x%02x\n", buf[0]);
+ continue; /* Try to sync up with sender */
+ }
+ }
+
+ /* Process msg when len bytes have been received */
+ if (idx != (len - 1)) {
+ idx++;
+ continue;
+ }
+
+ /* Reset idx for next command */
+ idx = 0;
+
+ csum = dell_uart_checksum(buf, len - 1);
+ if (buf[len - 1] != csum) {
+ fprintf(stderr, "Error checksum mismatch got 0x%02x expected 0x%02x\n",
+ buf[len - 1], csum);
+ continue;
+ }
+
+ switch ((buf[0] << 8) | buf[1]) {
+ case 0x6a06: /* cmd = 0x06, get version */
+ len = strlen(version_str);
+ strcpy((char *)&response[2], version_str);
+ printf("Get version, reply: %s\n", version_str);
+ break;
+ case 0x8a0b: /* cmd = 0x0b, set brightness */
+ if (buf[2] > 100) {
+ fprintf(stderr, "Error invalid brightness param: %d\n", buf[2]);
+ continue;
+ }
+
+ len = 0;
+ brightness = buf[2];
+ printf("Set brightness %d\n", brightness);
+ break;
+ case 0x6a0c: /* cmd = 0x0c, get brightness */
+ len = 1;
+ response[2] = brightness;
+ printf("Get brightness, reply: %d\n", brightness);
+ break;
+ case 0x8a0e: /* cmd = 0x0e, set backlight power */
+ if (buf[2] != 0 && buf[2] != 1) {
+ fprintf(stderr, "Error invalid set power param: %d\n", buf[2]);
+ continue;
+ }
+
+ len = 0;
+ printf("Set power %d\n", buf[2]);
+ break;
+ default:
+ fprintf(stderr, "Error unknown cmd 0x%04x\n",
+ (buf[0] << 8) | buf[1]);
+ continue;
+ }
+
+ /* Respond with <total-len> <cmd> <data...> <csum> */
+ response[0] = len + 3; /* response length in bytes */
+ response[1] = buf[1]; /* ack cmd */
+ csum = dell_uart_checksum(response, len + 2);
+ response[len + 2] = csum;
+ ret = write(serial_fd, response, response[0]);
+ if (ret != (response[0]))
+ fprintf(stderr, "Error writing %d bytes: %d\n",
+ response[0], ret);
+ }
+
+ ret = 0;
+out_restore:
+ tcsetattr(serial_fd, TCSANOW, &saved_tty);
+out_close:
+ close(serial_fd);
+ return ret;
+}
#define METER_CERT_MAX_SIZE 4096
#define STATE_MAX_NUM_LICENSES 16
#define STATE_MAX_NUM_IN_BUNDLE (uint32_t)8
-#define METER_MAX_NUM_BUNDLES 8
+#define FEAT_LEN 5 /* 4 plus NUL terminator */
#define __round_mask(x, y) ((__typeof__(x))((y) - 1))
#define round_up(x, y) ((((x) - 1) | __round_mask(x, y)) + 1)
};
struct meter_certificate {
- uint32_t block_signature;
- uint32_t counter_unit;
+ uint32_t signature;
+ uint32_t version;
uint64_t ppin;
+ uint32_t counter_unit;
uint32_t bundle_length;
- uint32_t reserved;
+ uint64_t reserved;
uint32_t mmrc_encoding;
uint32_t mmrc_counter;
};
uint32_t encoding;
uint32_t counter;
};
+#define METER_BUNDLE_SIZE sizeof(struct bundle_encoding_counter)
+#define BUNDLE_COUNT(length) ((length) / METER_BUNDLE_SIZE)
+#define METER_MAX_NUM_BUNDLES \
+ ((METER_CERT_MAX_SIZE - sizeof(struct meter_certificate)) / \
+ sizeof(struct bundle_encoding_counter))
struct sdsi_dev {
struct sdsi_regs regs;
enum command {
CMD_SOCKET_INFO,
CMD_METER_CERT,
+ CMD_METER_CURRENT_CERT,
CMD_STATE_CERT,
CMD_PROV_AKC,
CMD_PROV_CAP,
}
}
-static void get_feature(uint32_t encoding, char *feature)
+static void get_feature(uint32_t encoding, char feature[5])
{
char *name = (char *)&encoding;
+ feature[4] = '\0';
feature[3] = name[0];
feature[2] = name[1];
feature[1] = name[2];
feature[0] = name[3];
}
-static int sdsi_meter_cert_show(struct sdsi_dev *s)
+static int sdsi_meter_cert_show(struct sdsi_dev *s, bool show_current)
{
char buf[METER_CERT_MAX_SIZE] = {0};
struct bundle_encoding_counter *bec;
struct meter_certificate *mc;
uint32_t count = 0;
FILE *cert_ptr;
+ char *cert_fname;
int ret, size;
+ char name[FEAT_LEN];
ret = sdsi_update_registers(s);
if (ret)
if (!s->regs.en_features.sdsi) {
fprintf(stderr, "SDSi feature is present but not enabled.\n");
- fprintf(stderr, " Unable to read meter certificate\n");
return -1;
}
return ret;
}
- cert_ptr = fopen("meter_certificate", "r");
+ cert_fname = show_current ? "meter_current" : "meter_certificate";
+ cert_ptr = fopen(cert_fname, "r");
+
if (!cert_ptr) {
- perror("Could not open 'meter_certificate' file");
+ fprintf(stderr, "Could not open '%s' file: %s", cert_fname, strerror(errno));
return -1;
}
size = fread(buf, 1, sizeof(buf), cert_ptr);
if (!size) {
- fprintf(stderr, "Could not read 'meter_certificate' file\n");
+ fprintf(stderr, "Could not read '%s' file\n", cert_fname);
fclose(cert_ptr);
return -1;
}
printf("\n");
printf("Meter certificate for device %s\n", s->dev_name);
printf("\n");
- printf("Block Signature: 0x%x\n", mc->block_signature);
- printf("Count Unit: %dms\n", mc->counter_unit);
- printf("PPIN: 0x%lx\n", mc->ppin);
- printf("Feature Bundle Length: %d\n", mc->bundle_length);
- printf("MMRC encoding: %d\n", mc->mmrc_encoding);
- printf("MMRC counter: %d\n", mc->mmrc_counter);
- if (mc->bundle_length % 8) {
+
+ get_feature(mc->signature, name);
+ printf("Signature: %s\n", name);
+
+ printf("Version: %d\n", mc->version);
+ printf("Count Unit: %dms\n", mc->counter_unit);
+ printf("PPIN: 0x%lx\n", mc->ppin);
+ printf("Feature Bundle Length: %d\n", mc->bundle_length);
+
+ get_feature(mc->mmrc_encoding, name);
+ printf("MMRC encoding: %s\n", name);
+
+ printf("MMRC counter: %d\n", mc->mmrc_counter);
+ if (mc->bundle_length % METER_BUNDLE_SIZE) {
fprintf(stderr, "Invalid bundle length\n");
return -1;
}
- if (mc->bundle_length > METER_MAX_NUM_BUNDLES * 8) {
- fprintf(stderr, "More than %d bundles: %d\n",
- METER_MAX_NUM_BUNDLES, mc->bundle_length / 8);
+ if (mc->bundle_length > METER_MAX_NUM_BUNDLES * METER_BUNDLE_SIZE) {
+ fprintf(stderr, "More than %ld bundles: actual %ld\n",
+ METER_MAX_NUM_BUNDLES, BUNDLE_COUNT(mc->bundle_length));
return -1;
}
- bec = (void *)(mc) + sizeof(mc);
+ bec = (struct bundle_encoding_counter *)(mc + 1);
- printf("Number of Feature Counters: %d\n", mc->bundle_length / 8);
- while (count++ < mc->bundle_length / 8) {
- char feature[5];
+ printf("Number of Feature Counters: %ld\n", BUNDLE_COUNT(mc->bundle_length));
+ while (count < BUNDLE_COUNT(mc->bundle_length)) {
+ char feature[FEAT_LEN];
- feature[4] = '\0';
get_feature(bec[count].encoding, feature);
printf(" %s: %d\n", feature, bec[count].counter);
+ ++count;
}
return 0;
sizeof(*lki) + // size of the license key info
offset; // offset to this blob content
struct bundle_encoding *bundle = (void *)(lbc) + sizeof(*lbc);
- char feature[5];
+ char feature[FEAT_LEN];
uint32_t i;
printf(" Blob %d:\n", count - 1);
printf(" Blob revision ID: %u\n", lbc->rev_id);
printf(" Number of Features: %u\n", lbc->num_bundles);
- feature[4] = '\0';
-
for (i = 0; i < min(lbc->num_bundles, STATE_MAX_NUM_IN_BUNDLE); i++) {
get_feature(bundle[i].encoding, feature);
printf(" Feature %d: %s\n", i, feature);
static void usage(char *prog)
{
- printf("Usage: %s [-l] [-d DEVNO [-i] [-s] [-m] [-a FILE] [-c FILE]]\n", prog);
+ printf("Usage: %s [-l] [-d DEVNO [-i] [-s] [-m | -C] [-a FILE] [-c FILE]\n", prog);
}
static void show_help(void)
printf(" %-18s\t%s\n", "-l, --list", "list available On Demand devices");
printf(" %-18s\t%s\n", "-d, --devno DEVNO", "On Demand device number");
printf(" %-18s\t%s\n", "-i, --info", "show socket information");
- printf(" %-18s\t%s\n", "-s, --state", "show state certificate");
- printf(" %-18s\t%s\n", "-m, --meter", "show meter certificate");
+ printf(" %-18s\t%s\n", "-s, --state", "show state certificate data");
+ printf(" %-18s\t%s\n", "-m, --meter", "show meter certificate data");
+ printf(" %-18s\t%s\n", "-C, --meter_current", "show live unattested meter data");
printf(" %-18s\t%s\n", "-a, --akc FILE", "provision socket with AKC FILE");
printf(" %-18s\t%s\n", "-c, --cap FILE>", "provision socket with CAP FILE");
}
int option_index = 0;
static struct option long_options[] = {
- {"akc", required_argument, 0, 'a'},
- {"cap", required_argument, 0, 'c'},
- {"devno", required_argument, 0, 'd'},
- {"help", no_argument, 0, 'h'},
- {"info", no_argument, 0, 'i'},
- {"list", no_argument, 0, 'l'},
- {"meter", no_argument, 0, 'm'},
- {"state", no_argument, 0, 's'},
- {0, 0, 0, 0 }
+ {"akc", required_argument, 0, 'a'},
+ {"cap", required_argument, 0, 'c'},
+ {"devno", required_argument, 0, 'd'},
+ {"help", no_argument, 0, 'h'},
+ {"info", no_argument, 0, 'i'},
+ {"list", no_argument, 0, 'l'},
+ {"meter", no_argument, 0, 'm'},
+ {"meter_current", no_argument, 0, 'C'},
+ {"state", no_argument, 0, 's'},
+ {0, 0, 0, 0 }
};
progname = argv[0];
- while ((opt = getopt_long_only(argc, argv, "+a:c:d:hilms", long_options,
+ while ((opt = getopt_long_only(argc, argv, "+a:c:d:hilmCs", long_options,
&option_index)) != -1) {
switch (opt) {
case 'd':
case 'm':
command = CMD_METER_CERT;
break;
+ case 'C':
+ command = CMD_METER_CURRENT_CERT;
+ break;
case 's':
command = CMD_STATE_CERT;
break;
ret = sdsi_read_reg(s);
break;
case CMD_METER_CERT:
- ret = sdsi_meter_cert_show(s);
+ ret = sdsi_meter_cert_show(s, false);
+ break;
+ case CMD_METER_CURRENT_CERT:
+ ret = sdsi_meter_cert_show(s, true);
break;
case CMD_STATE_CERT:
ret = sdsi_state_cert_show(s);
int arg;
};
-static const char *version_str = "v1.18";
+static const char *version_str = "v1.19";
-static const int supported_api_ver = 2;
+static const int supported_api_ver = 3;
static struct isst_if_platform_info isst_platform_info;
static char *progname;
static int debug_flag;
static int auto_mode;
static int fact_enable_fail;
static int cgroupv2;
+static int max_die_id;
+static int max_punit_id;
/* clos related */
static int current_clos = -1;
}
for (i = 0; i < MAX_PACKAGE_COUNT; i++) {
+ if (max_die_id == max_punit_id) {
+ for (k = 0; k < MAX_PUNIT_PER_DIE && k < MAX_DIE_PER_PACKAGE; k++) {
+ id.cpu = cpus[i][k][k];
+ id.pkg = i;
+ id.die = k;
+ id.punit = k;
+ if (isst_is_punit_valid(&id))
+ callback(&id, arg1, arg2, arg3, arg4);
+ }
+ continue;
+ }
+
for (j = 0; j < MAX_DIE_PER_PACKAGE; j++) {
/*
* Fix me:
cpu_cnt[pkg_id][die_id][punit_id]++;
+ if (max_die_id < die_id)
+ max_die_id = die_id;
+
+ if (max_punit_id < cpu_map[i].punit_id)
+ max_punit_id = cpu_map[i].punit_id;
+
debug_printf(
"map logical_cpu:%d core: %d die:%d pkg:%d punit:%d punit_cpu:%d punit_core:%d\n",
i, cpu_map[i].core_id, cpu_map[i].die_id,
struct isst_fact_info fact_info;
int ret;
+ memset(&fact_info, 0, sizeof(fact_info));
ret = isst_get_fact_info(id, tdp_level, fact_bucket, &fact_info);
if (ret) {
isst_display_error_info_message(1, "Failed to get turbo-freq info at this level", 1, tdp_level);
static int _get_fact_bucket_info(struct isst_id *id, int level,
struct isst_fact_bucket_info *bucket_info)
{
+ int trl_max_levels = isst_get_trl_max_levels();
unsigned int resp;
int i, k, ret;
}
}
- for (k = 0; k < 3; ++k) {
+ for (k = 0; k < trl_max_levels; ++k) {
for (i = 0; i < 2; ++i) {
int j;
if (!(info.level_mask & level_mask))
return -1;
- ctdp_level->fact_support = info.sst_tf_support;
- ctdp_level->pbf_support = info.sst_bf_support;
+ if (api_version() > 2) {
+ ctdp_level->fact_support = info.sst_tf_support & BIT(config_index);
+ ctdp_level->pbf_support = info.sst_bf_support & BIT(config_index);
+ } else {
+ ctdp_level->fact_support = info.sst_tf_support;
+ ctdp_level->pbf_support = info.sst_bf_support;
+ }
+
ctdp_level->fact_enabled = !!(info.feature_state & BIT(1));
ctdp_level->pbf_enabled = !!(info.feature_state & BIT(0));
isst_ops = mbox_get_platform_ops();
break;
case 2:
+ case 3:
isst_ops = tpmi_get_platform_ops();
break;
default:
int level = 1;
if (out_format_is_json()) {
- if (api_version() > 1)
- snprintf(header, sizeof(header), "package-%d:die-%d:powerdomain-%d:cpu-%d",
- id->pkg, id->die, id->punit, id->cpu);
- else
+ if (api_version() > 1) {
+ if (id->cpu < 0)
+ snprintf(header, sizeof(header),
+ "package-%d:die-%d:powerdomain-%d:cpu-None",
+ id->pkg, id->die, id->punit);
+ else
+ snprintf(header, sizeof(header),
+ "package-%d:die-%d:powerdomain-%d:cpu-%d",
+ id->pkg, id->die, id->punit, id->cpu);
+ } else {
snprintf(header, sizeof(header), "package-%d:die-%d:cpu-%d",
id->pkg, id->die, id->cpu);
+ }
format_and_print(outf, level, header, NULL);
return 1;
}
snprintf(header, sizeof(header), "powerdomain-%d", id->punit);
format_and_print(outf, level++, header, NULL);
}
- snprintf(header, sizeof(header), "cpu-%d", id->cpu);
+
+ if (id->cpu < 0)
+ snprintf(header, sizeof(header), "cpu-None");
+ else
+ snprintf(header, sizeof(header), "cpu-%d", id->cpu);
+
format_and_print(outf, level, header, NULL);
return level;
struct isst_pbf_info *pbf_info,
int disp_level)
{
- char header[256];
- char value[512];
+ static char header[256];
+ static char value[1024];
snprintf(header, sizeof(header), "speed-select-base-freq-properties");
format_and_print(outf, disp_level, header, NULL);
void isst_ctdp_display_information(struct isst_id *id, FILE *outf, int tdp_level,
struct isst_pkg_ctdp *pkg_dev)
{
- char header[256];
- char value[512];
+ static char header[256];
+ static char value[1024];
static int level;
int trl_max_levels = isst_get_trl_max_levels();
int i;
#define DISP_FREQ_MULTIPLIER 100
#define MAX_PACKAGE_COUNT 32
-#define MAX_DIE_PER_PACKAGE 2
+#define MAX_DIE_PER_PACKAGE 16
#define MAX_PUNIT_PER_DIE 8
/* Unified structure to specific a CPU or a Power Domain */
projects / linux-block.git / commitdiff