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Linux kernel mirror (for testing)
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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 bool filter_i8042_e1_extended_codes;
43 bool ignore_key_wlan;
44 enum asus_wmi_tablet_switch_mode tablet_switch_mode;
45 int wapf;
46 /*
47 * For machines with AMD graphic chips, it will send out WMI event
48 * and ACPI interrupt at the same time while hitting the hotkey.
49 * To simplify the problem, we just have to ignore the WMI event,
50 * and let the ACPI interrupt to send out the key event.
51 */
52 int no_display_toggle;
53 u32 xusb2pr;
54};
55
56struct asus_wmi_driver {
57 int brightness;
58 int panel_power;
59 int screenpad_brightness;
60 int wlan_ctrl_by_user;
61
62 const char *name;
63 struct module *owner;
64
65 const char *event_guid;
66
67 const struct key_entry *keymap;
68 const char *input_name;
69 const char *input_phys;
70 struct quirk_entry *quirks;
71 /* Returns new code, value, and autorelease values in arguments.
72 * Return ASUS_WMI_KEY_IGNORE in code if event should be ignored. */
73 void (*key_filter) (struct asus_wmi_driver *driver, int *code,
74 unsigned int *value, bool *autorelease);
75 /* Optional standard i8042 filter */
76 i8042_filter_t i8042_filter;
77
78 int (*probe) (struct platform_device *device);
79 void (*detect_quirks) (struct asus_wmi_driver *driver);
80
81 struct platform_driver platform_driver;
82 struct platform_device *platform_device;
83};
84
85int asus_wmi_register_driver(struct asus_wmi_driver *driver);
86void asus_wmi_unregister_driver(struct asus_wmi_driver *driver);
87
88#endif /* !_ASUS_WMI_H_ */