// SPDX-License-Identifier: GPL-2.0-or-later /* * Linux driver for WMI platform features on MSI notebooks. * * Copyright (C) 2024 Armin Wolf <[email protected]> */ #define pr_format(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 … #define MSI_PLATFORM_GUID … #define MSI_WMI_PLATFORM_INTERFACE_VERSION … #define MSI_PLATFORM_WMI_MAJOR_OFFSET … #define MSI_PLATFORM_WMI_MINOR_OFFSET … #define MSI_PLATFORM_EC_FLAGS_OFFSET … #define MSI_PLATFORM_EC_MINOR_MASK … #define MSI_PLATFORM_EC_MAJOR_MASK … #define MSI_PLATFORM_EC_CHANGED_PAGE … #define MSI_PLATFORM_EC_IS_TIGERLAKE … #define MSI_PLATFORM_EC_VERSION_OFFSET … static bool force; module_param_unsafe(force, bool, 0); MODULE_PARM_DESC(…) …; enum msi_wmi_platform_method { … }; struct msi_wmi_platform_debugfs_data { … }; static const char * const msi_wmi_platform_debugfs_names[] = …; static int msi_wmi_platform_parse_buffer(union acpi_object *obj, u8 *output, size_t length) { … } 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) { … } static umode_t msi_wmi_platform_is_visible(const void *drvdata, enum hwmon_sensor_types type, u32 attr, int channel) { … } static int msi_wmi_platform_read(struct device *dev, enum hwmon_sensor_types type, u32 attr, int channel, long *val) { … } static const struct hwmon_ops msi_wmi_platform_ops = …; static const struct hwmon_channel_info * const msi_wmi_platform_info[] = …; static const struct hwmon_chip_info msi_wmi_platform_chip_info = …; static ssize_t msi_wmi_platform_write(struct file *fp, const char __user *input, size_t length, loff_t *offset) { … } static int msi_wmi_platform_show(struct seq_file *seq, void *p) { … } static int msi_wmi_platform_open(struct inode *inode, struct file *fp) { … } static const struct file_operations msi_wmi_platform_debugfs_fops = …; static void msi_wmi_platform_debugfs_remove(void *data) { … } static void msi_wmi_platform_debugfs_add(struct wmi_device *wdev, struct dentry *dir, const char *name, enum msi_wmi_platform_method method) { … } static void msi_wmi_platform_debugfs_init(struct wmi_device *wdev) { … } static int msi_wmi_platform_hwmon_init(struct wmi_device *wdev) { … } static int msi_wmi_platform_ec_init(struct wmi_device *wdev) { … } static int msi_wmi_platform_init(struct wmi_device *wdev) { … } static int msi_wmi_platform_probe(struct wmi_device *wdev, const void *context) { … } static const struct wmi_device_id msi_wmi_platform_id_table[] = …; MODULE_DEVICE_TABLE(wmi, msi_wmi_platform_id_table); static struct wmi_driver msi_wmi_platform_driver = …; module_wmi_driver(…) …; MODULE_AUTHOR(…) …; MODULE_DESCRIPTION(…) …; MODULE_LICENSE(…) …;
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