// SPDX-License-Identifier: GPL-2.0-or-later
/*
- * Lenovo Capability Data 01 WMI Data Block driver.
+ * Lenovo Capability Data WMI Data Block driver.
*
- * Lenovo Capability Data 01 provides information on tunable attributes used by
- * the "Other Mode" WMI interface. The data includes if the attribute is
- * supported by the hardware, the default_value, max_value, min_value, and step
- * increment. Each attribute has multiple pages, one for each of the thermal
- * modes managed by the Gamezone interface.
+ * Lenovo Capability Data provides information on tunable attributes used by
+ * the "Other Mode" WMI interface.
+ *
+ * Capability Data 01 includes if the attribute is supported by the hardware,
+ * and the default_value, max_value, min_value, and step increment. Each
+ * attribute has multiple pages, one for each of the thermal modes managed by
+ * the Gamezone interface.
*
* Copyright (C) 2025 Derek J. Clark <derekjohn.clark@gmail.com>
+ * - Initial implementation (formerly named lenovo-wmi-capdata01)
*/
#include <linux/acpi.h>
#include <linux/types.h>
#include <linux/wmi.h>
-#include "wmi-capdata01.h"
+#include "wmi-capdata.h"
#define LENOVO_CAPABILITY_DATA_01_GUID "7A8F5407-CB67-4D6E-B547-39B3BE018154"
#define ACPI_AC_CLASS "ac_adapter"
#define ACPI_AC_NOTIFY_STATUS 0x80
-struct lwmi_cd01_priv {
+struct lwmi_cd_priv {
struct notifier_block acpi_nb; /* ACPI events */
struct wmi_device *wdev;
- struct cd01_list *list;
+ struct cd_list *list;
};
-struct cd01_list {
+struct cd_list {
struct mutex list_mutex; /* list R/W mutex */
u8 count;
struct capdata01 data[];
};
/**
- * lwmi_cd01_component_bind() - Bind component to master device.
- * @cd01_dev: Pointer to the lenovo-wmi-capdata01 driver parent device.
+ * lwmi_cd_component_bind() - Bind component to master device.
+ * @cd_dev: Pointer to the lenovo-wmi-capdata driver parent device.
* @om_dev: Pointer to the lenovo-wmi-other driver parent device.
- * @data: capdata01_list object pointer used to return the capability data.
+ * @data: cd_list object pointer used to return the capability data.
*
- * On lenovo-wmi-other's master bind, provide a pointer to the local capdata01
- * list. This is used to call lwmi_cd01_get_data to look up attribute data
+ * On lenovo-wmi-other's master bind, provide a pointer to the local capdata
+ * list. This is used to call lwmi_cd*_get_data to look up attribute data
* from the lenovo-wmi-other driver.
*
* Return: 0
*/
-static int lwmi_cd01_component_bind(struct device *cd01_dev,
- struct device *om_dev, void *data)
+static int lwmi_cd_component_bind(struct device *cd_dev,
+ struct device *om_dev, void *data)
{
- struct lwmi_cd01_priv *priv = dev_get_drvdata(cd01_dev);
- struct cd01_list **cd01_list = data;
+ struct lwmi_cd_priv *priv = dev_get_drvdata(cd_dev);
+ struct cd_list **cd_list = data;
- *cd01_list = priv->list;
+ *cd_list = priv->list;
return 0;
}
-static const struct component_ops lwmi_cd01_component_ops = {
- .bind = lwmi_cd01_component_bind,
+static const struct component_ops lwmi_cd_component_ops = {
+ .bind = lwmi_cd_component_bind,
};
/**
* lwmi_cd01_get_data - Get the data of the specified attribute
- * @list: The lenovo-wmi-capdata01 pointer to its cd01_list struct.
+ * @list: The lenovo-wmi-capdata pointer to its cd_list struct.
* @attribute_id: The capdata attribute ID to be found.
* @output: Pointer to a capdata01 struct to return the data.
*
*
* Return: 0 on success, or -EINVAL.
*/
-int lwmi_cd01_get_data(struct cd01_list *list, u32 attribute_id, struct capdata01 *output)
+int lwmi_cd01_get_data(struct cd_list *list, u32 attribute_id, struct capdata01 *output)
{
u8 idx;
return -EINVAL;
}
-EXPORT_SYMBOL_NS_GPL(lwmi_cd01_get_data, "LENOVO_WMI_CD01");
+EXPORT_SYMBOL_NS_GPL(lwmi_cd01_get_data, "LENOVO_WMI_CAPDATA");
/**
- * lwmi_cd01_cache() - Cache all WMI data block information
- * @priv: lenovo-wmi-capdata01 driver data.
+ * lwmi_cd_cache() - Cache all WMI data block information
+ * @priv: lenovo-wmi-capdata driver data.
*
* Loop through each WMI data block and cache the data.
*
* Return: 0 on success, or an error.
*/
-static int lwmi_cd01_cache(struct lwmi_cd01_priv *priv)
+static int lwmi_cd_cache(struct lwmi_cd_priv *priv)
{
int idx;
}
/**
- * lwmi_cd01_alloc() - Allocate a cd01_list struct in drvdata
- * @priv: lenovo-wmi-capdata01 driver data.
+ * lwmi_cd_alloc() - Allocate a cd_list struct in drvdata
+ * @priv: lenovo-wmi-capdata driver data.
*
- * Allocate a cd01_list struct large enough to contain data from all WMI data
+ * Allocate a cd_list struct large enough to contain data from all WMI data
* blocks provided by the interface.
*
* Return: 0 on success, or an error.
*/
-static int lwmi_cd01_alloc(struct lwmi_cd01_priv *priv)
+static int lwmi_cd_alloc(struct lwmi_cd_priv *priv)
{
- struct cd01_list *list;
+ struct cd_list *list;
size_t list_size;
int count, ret;
}
/**
- * lwmi_cd01_setup() - Cache all WMI data block information
- * @priv: lenovo-wmi-capdata01 driver data.
+ * lwmi_cd_setup() - Cache all WMI data block information
+ * @priv: lenovo-wmi-capdata driver data.
*
- * Allocate a cd01_list struct large enough to contain data from all WMI data
+ * Allocate a cd_list struct large enough to contain data from all WMI data
* blocks provided by the interface. Then loop through each data block and
* cache the data.
*
* Return: 0 on success, or an error code.
*/
-static int lwmi_cd01_setup(struct lwmi_cd01_priv *priv)
+static int lwmi_cd_setup(struct lwmi_cd_priv *priv)
{
int ret;
- ret = lwmi_cd01_alloc(priv);
+ ret = lwmi_cd_alloc(priv);
if (ret)
return ret;
- return lwmi_cd01_cache(priv);
+ return lwmi_cd_cache(priv);
}
/**
- * lwmi_cd01_notifier_call() - Call method for lenovo-wmi-capdata01 driver notifier.
+ * lwmi_cd01_notifier_call() - Call method for cd01 notifier.
* block call chain.
* @nb: The notifier_block registered to lenovo-wmi-events driver.
* @action: Unused.
void *data)
{
struct acpi_bus_event *event = data;
- struct lwmi_cd01_priv *priv;
+ struct lwmi_cd_priv *priv;
int ret;
if (strcmp(event->device_class, ACPI_AC_CLASS) != 0)
return NOTIFY_DONE;
- priv = container_of(nb, struct lwmi_cd01_priv, acpi_nb);
+ priv = container_of(nb, struct lwmi_cd_priv, acpi_nb);
switch (event->type) {
case ACPI_AC_NOTIFY_STATUS:
- ret = lwmi_cd01_cache(priv);
+ ret = lwmi_cd_cache(priv);
if (ret)
return NOTIFY_BAD;
unregister_acpi_notifier(acpi_nb);
}
-static int lwmi_cd01_probe(struct wmi_device *wdev, const void *context)
-
+static int lwmi_cd_probe(struct wmi_device *wdev, const void *context)
{
- struct lwmi_cd01_priv *priv;
+ struct lwmi_cd_priv *priv;
int ret;
priv = devm_kzalloc(&wdev->dev, sizeof(*priv), GFP_KERNEL);
priv->wdev = wdev;
dev_set_drvdata(&wdev->dev, priv);
- ret = lwmi_cd01_setup(priv);
+ ret = lwmi_cd_setup(priv);
if (ret)
return ret;
if (ret)
return ret;
- return component_add(&wdev->dev, &lwmi_cd01_component_ops);
+ return component_add(&wdev->dev, &lwmi_cd_component_ops);
}
-static void lwmi_cd01_remove(struct wmi_device *wdev)
+static void lwmi_cd_remove(struct wmi_device *wdev)
{
- component_del(&wdev->dev, &lwmi_cd01_component_ops);
+ component_del(&wdev->dev, &lwmi_cd_component_ops);
}
-static const struct wmi_device_id lwmi_cd01_id_table[] = {
+static const struct wmi_device_id lwmi_cd_id_table[] = {
{ LENOVO_CAPABILITY_DATA_01_GUID, NULL },
{}
};
-static struct wmi_driver lwmi_cd01_driver = {
+static struct wmi_driver lwmi_cd_driver = {
.driver = {
- .name = "lenovo_wmi_cd01",
+ .name = "lenovo_wmi_capdata",
.probe_type = PROBE_PREFER_ASYNCHRONOUS,
},
- .id_table = lwmi_cd01_id_table,
- .probe = lwmi_cd01_probe,
- .remove = lwmi_cd01_remove,
+ .id_table = lwmi_cd_id_table,
+ .probe = lwmi_cd_probe,
+ .remove = lwmi_cd_remove,
.no_singleton = true,
};
*/
int lwmi_cd01_match(struct device *dev, void *data)
{
- return dev->driver == &lwmi_cd01_driver.driver;
+ return dev->driver == &lwmi_cd_driver.driver;
}
-EXPORT_SYMBOL_NS_GPL(lwmi_cd01_match, "LENOVO_WMI_CD01");
+EXPORT_SYMBOL_NS_GPL(lwmi_cd01_match, "LENOVO_WMI_CAPDATA");
-module_wmi_driver(lwmi_cd01_driver);
+module_wmi_driver(lwmi_cd_driver);
-MODULE_DEVICE_TABLE(wmi, lwmi_cd01_id_table);
+MODULE_DEVICE_TABLE(wmi, lwmi_cd_id_table);
MODULE_AUTHOR("Derek J. Clark <derekjohn.clark@gmail.com>");
-MODULE_DESCRIPTION("Lenovo Capability Data 01 WMI Driver");
+MODULE_DESCRIPTION("Lenovo Capability Data WMI Driver");
MODULE_LICENSE("GPL");
projects / thirdparty / linux.git / commitdiff
