rtlwifi: rtl8192cu: Convert inline routines to little-endian words
[linux-2.6-microblaze.git] / include / linux / wmi.h
1 /* SPDX-License-Identifier: GPL-2.0-only */
2 /*
3  * wmi.h - ACPI WMI interface
4  *
5  * Copyright (c) 2015 Andrew Lutomirski
6  */
7
8 #ifndef _LINUX_WMI_H
9 #define _LINUX_WMI_H
10
11 #include <linux/device.h>
12 #include <linux/acpi.h>
13 #include <linux/mod_devicetable.h>
14 #include <uapi/linux/wmi.h>
15
16 struct wmi_device {
17         struct device dev;
18
19          /* True for data blocks implementing the Set Control Method */
20         bool setable;
21 };
22
23 /* evaluate the ACPI method associated with this device */
24 extern acpi_status wmidev_evaluate_method(struct wmi_device *wdev,
25                                           u8 instance, u32 method_id,
26                                           const struct acpi_buffer *in,
27                                           struct acpi_buffer *out);
28
29 /* Caller must kfree the result. */
30 extern union acpi_object *wmidev_block_query(struct wmi_device *wdev,
31                                              u8 instance);
32
33 extern int set_required_buffer_size(struct wmi_device *wdev, u64 length);
34
35 struct wmi_driver {
36         struct device_driver driver;
37         const struct wmi_device_id *id_table;
38
39         int (*probe)(struct wmi_device *wdev, const void *context);
40         int (*remove)(struct wmi_device *wdev);
41         void (*notify)(struct wmi_device *device, union acpi_object *data);
42         long (*filter_callback)(struct wmi_device *wdev, unsigned int cmd,
43                                 struct wmi_ioctl_buffer *arg);
44 };
45
46 extern int __must_check __wmi_driver_register(struct wmi_driver *driver,
47                                               struct module *owner);
48 extern void wmi_driver_unregister(struct wmi_driver *driver);
49 #define wmi_driver_register(driver) __wmi_driver_register((driver), THIS_MODULE)
50
51 #define module_wmi_driver(__wmi_driver) \
52         module_driver(__wmi_driver, wmi_driver_register, \
53                       wmi_driver_unregister)
54
55 #endif