forked from Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
55 lines
1.6 KiB
55 lines
1.6 KiB
/* SPDX-License-Identifier: GPL-2.0-only */ |
|
/* |
|
* wmi.h - ACPI WMI interface |
|
* |
|
* Copyright (c) 2015 Andrew Lutomirski |
|
*/ |
|
|
|
#ifndef _LINUX_WMI_H |
|
#define _LINUX_WMI_H |
|
|
|
#include <linux/device.h> |
|
#include <linux/acpi.h> |
|
#include <linux/mod_devicetable.h> |
|
#include <uapi/linux/wmi.h> |
|
|
|
struct wmi_device { |
|
struct device dev; |
|
|
|
/* True for data blocks implementing the Set Control Method */ |
|
bool setable; |
|
}; |
|
|
|
/* evaluate the ACPI method associated with this device */ |
|
extern acpi_status wmidev_evaluate_method(struct wmi_device *wdev, |
|
u8 instance, u32 method_id, |
|
const struct acpi_buffer *in, |
|
struct acpi_buffer *out); |
|
|
|
/* Caller must kfree the result. */ |
|
extern union acpi_object *wmidev_block_query(struct wmi_device *wdev, |
|
u8 instance); |
|
|
|
extern int set_required_buffer_size(struct wmi_device *wdev, u64 length); |
|
|
|
struct wmi_driver { |
|
struct device_driver driver; |
|
const struct wmi_device_id *id_table; |
|
|
|
int (*probe)(struct wmi_device *wdev, const void *context); |
|
void (*remove)(struct wmi_device *wdev); |
|
void (*notify)(struct wmi_device *device, union acpi_object *data); |
|
long (*filter_callback)(struct wmi_device *wdev, unsigned int cmd, |
|
struct wmi_ioctl_buffer *arg); |
|
}; |
|
|
|
extern int __must_check __wmi_driver_register(struct wmi_driver *driver, |
|
struct module *owner); |
|
extern void wmi_driver_unregister(struct wmi_driver *driver); |
|
#define wmi_driver_register(driver) __wmi_driver_register((driver), THIS_MODULE) |
|
|
|
#define module_wmi_driver(__wmi_driver) \ |
|
module_driver(__wmi_driver, wmi_driver_register, \ |
|
wmi_driver_unregister) |
|
|
|
#endif
|
|
|