1/* SPDX-License-Identifier: GPL-2.0-or-later */
2/*
3 * Asus PC WMI hotkey driver
4 *
5 * Copyright(C) 2010 Intel Corporation.
6 * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com>
7 *
8 * Portions based on wistron_btns.c:
9 * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
10 * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
11 * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
12 */
13
14#ifndef _ASUS_WMI_H_
15#define _ASUS_WMI_H_
16
17#include <linux/platform_device.h>
18#include <linux/i8042.h>
19
20#define ASUS_WMI_KEY_IGNORE (-1)
21#define ASUS_WMI_BRN_DOWN 0x2e
22#define ASUS_WMI_BRN_UP 0x2f
23
24struct module;
25struct key_entry;
26struct asus_wmi;
27
28enum asus_wmi_tablet_switch_mode {
29 asus_wmi_no_tablet_switch,
30 asus_wmi_kbd_dock_devid,
31 asus_wmi_lid_flip_devid,
32 asus_wmi_lid_flip_rog_devid,
33};
34
35struct quirk_entry {
36 bool hotplug_wireless;
37 bool scalar_panel_brightness;
38 bool store_backlight_power;
39 bool wmi_backlight_set_devstate;
40 bool wmi_force_als_set;
41 bool wmi_ignore_fan;
42 enum asus_wmi_tablet_switch_mode tablet_switch_mode;
43 int wapf;
44 /*
45 * For machines with AMD graphic chips, it will send out WMI event
46 * and ACPI interrupt at the same time while hitting the hotkey.
47 * To simplify the problem, we just have to ignore the WMI event,
48 * and let the ACPI interrupt to send out the key event.
49 */
50 int no_display_toggle;
51 u32 xusb2pr;
52
53 bool (*i8042_filter)(unsigned char data, unsigned char str,
54 struct serio *serio);
55};
56
57struct asus_wmi_driver {
58 int brightness;
59 int panel_power;
60 int screenpad_brightness;
61 int wlan_ctrl_by_user;
62
63 const char *name;
64 struct module *owner;
65
66 const char *event_guid;
67
68 const struct key_entry *keymap;
69 const char *input_name;
70 const char *input_phys;
71 struct quirk_entry *quirks;
72 /* Returns new code, value, and autorelease values in arguments.
73 * Return ASUS_WMI_KEY_IGNORE in code if event should be ignored. */
74 void (*key_filter) (struct asus_wmi_driver *driver, int *code,
75 unsigned int *value, bool *autorelease);
76
77 int (*probe) (struct platform_device *device);
78 void (*detect_quirks) (struct asus_wmi_driver *driver);
79
80 struct platform_driver platform_driver;
81 struct platform_device *platform_device;
82};
83
84int asus_wmi_register_driver(struct asus_wmi_driver *driver);
85void asus_wmi_unregister_driver(struct asus_wmi_driver *driver);
86
87#endif /* !_ASUS_WMI_H_ */
88

source code of linux/drivers/platform/x86/asus-wmi.h