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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 0x20
22#define ASUS_WMI_BRN_UP 0x2f
23
24struct module;
25struct key_entry;
26struct asus_wmi;
27
28struct quirk_entry {
29 bool hotplug_wireless;
30 bool scalar_panel_brightness;
31 bool store_backlight_power;
32 bool wmi_backlight_power;
33 bool wmi_backlight_native;
34 bool wmi_backlight_set_devstate;
35 bool wmi_force_als_set;
36 int wapf;
37 /*
38 * For machines with AMD graphic chips, it will send out WMI event
39 * and ACPI interrupt at the same time while hitting the hotkey.
40 * To simplify the problem, we just have to ignore the WMI event,
41 * and let the ACPI interrupt to send out the key event.
42 */
43 int no_display_toggle;
44 u32 xusb2pr;
45
46 bool (*i8042_filter)(unsigned char data, unsigned char str,
47 struct serio *serio);
48};
49
50struct asus_wmi_driver {
51 int brightness;
52 int panel_power;
53 int wlan_ctrl_by_user;
54
55 const char *name;
56 struct module *owner;
57
58 const char *event_guid;
59
60 const struct key_entry *keymap;
61 const char *input_name;
62 const char *input_phys;
63 struct quirk_entry *quirks;
64 /* Returns new code, value, and autorelease values in arguments.
65 * Return ASUS_WMI_KEY_IGNORE in code if event should be ignored. */
66 void (*key_filter) (struct asus_wmi_driver *driver, int *code,
67 unsigned int *value, bool *autorelease);
68
69 int (*probe) (struct platform_device *device);
70 void (*detect_quirks) (struct asus_wmi_driver *driver);
71
72 struct platform_driver platform_driver;
73 struct platform_device *platform_device;
74};
75
76int asus_wmi_register_driver(struct asus_wmi_driver *driver);
77void asus_wmi_unregister_driver(struct asus_wmi_driver *driver);
78
79#endif /* !_ASUS_WMI_H_ */