asus-wmi.h

 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_KEY_ARMOURY	0xffff01
22#define ASUS_WMI_BRN_DOWN	0x2e
23#define ASUS_WMI_BRN_UP		0x2f
24
25struct module;
26struct key_entry;
27struct asus_wmi;
28
29enum asus_wmi_tablet_switch_mode {
30	asus_wmi_no_tablet_switch,
31	asus_wmi_kbd_dock_devid,
32	asus_wmi_lid_flip_devid,
33	asus_wmi_lid_flip_rog_devid,
34};
35
36struct quirk_entry {
37	bool hotplug_wireless;
38	bool scalar_panel_brightness;
39	bool store_backlight_power;
40	bool wmi_backlight_set_devstate;
41	bool wmi_force_als_set;
42	bool wmi_ignore_fan;
43	bool filter_i8042_e1_extended_codes;
44	int key_wlan_event;
45	enum asus_wmi_tablet_switch_mode tablet_switch_mode;
46	int wapf;
47	/*
48	 * For machines with AMD graphic chips, it will send out WMI event
49	 * and ACPI interrupt at the same time while hitting the hotkey.
50	 * To simplify the problem, we just have to ignore the WMI event,
51	 * and let the ACPI interrupt to send out the key event.
52	 */
53	int no_display_toggle;
54	u32 xusb2pr;
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	/* Optional standard i8042 filter */
77	i8042_filter_t		i8042_filter;
78
79	int (*probe) (struct platform_device *device);
80	void (*detect_quirks) (struct asus_wmi_driver *driver);
81
82	struct platform_driver	platform_driver;
83	struct platform_device *platform_device;
84};
85
86int asus_wmi_register_driver(struct asus_wmi_driver *driver);
87void asus_wmi_unregister_driver(struct asus_wmi_driver *driver);
88
89#endif /* !_ASUS_WMI_H_ */