xref: /linux/drivers/platform/x86/asus-wmi.h (revision dd6cbcc589dd0f22f2b7676c92d0058348c192de)
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 
25 struct module;
26 struct key_entry;
27 struct asus_wmi;
28 
29 enum 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 
36 struct 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 
57 struct 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 
86 int asus_wmi_register_driver(struct asus_wmi_driver *driver);
87 void asus_wmi_unregister_driver(struct asus_wmi_driver *driver);
88 
89 #endif /* !_ASUS_WMI_H_ */
90