1/*
2 * Asus PC WMI hotkey driver
3 *
4 * Copyright(C) 2010 Intel Corporation.
5 * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com>
6 *
7 * Portions based on wistron_btns.c:
8 * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz>
9 * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org>
10 * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru>
11 *
12 *  This program is free software; you can redistribute it and/or modify
13 *  it under the terms of the GNU General Public License as published by
14 *  the Free Software Foundation; either version 2 of the License, or
15 *  (at your option) any later version.
16 *
17 *  This program is distributed in the hope that it will be useful,
18 *  but WITHOUT ANY WARRANTY; without even the implied warranty of
19 *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
20 *  GNU General Public License for more details.
21 *
22 *  You should have received a copy of the GNU General Public License
23 *  along with this program; if not, write to the Free Software
24 *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
25 */
26
27#ifndef _ASUS_WMI_H_
28#define _ASUS_WMI_H_
29
30#include <linux/platform_device.h>
31
32#define ASUS_WMI_KEY_IGNORE (-1)
33#define ASUS_WMI_BRN_DOWN	0x20
34#define ASUS_WMI_BRN_UP		0x2f
35
36struct module;
37struct key_entry;
38struct asus_wmi;
39
40struct quirk_entry {
41	bool hotplug_wireless;
42	bool scalar_panel_brightness;
43	bool store_backlight_power;
44	bool wmi_backlight_power;
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};
54
55struct asus_wmi_driver {
56	int			brightness;
57	int			panel_power;
58	int			wlan_ctrl_by_user;
59
60	const char		*name;
61	struct module		*owner;
62
63	const char		*event_guid;
64
65	const struct key_entry	*keymap;
66	const char		*input_name;
67	const char		*input_phys;
68	struct quirk_entry	*quirks;
69	/* Returns new code, value, and autorelease values in arguments.
70	 * Return ASUS_WMI_KEY_IGNORE in code if event should be ignored. */
71	void (*key_filter) (struct asus_wmi_driver *driver, int *code,
72			    unsigned int *value, bool *autorelease);
73
74	int (*probe) (struct platform_device *device);
75	void (*detect_quirks) (struct asus_wmi_driver *driver);
76
77	struct platform_driver	platform_driver;
78	struct platform_device *platform_device;
79};
80
81int asus_wmi_register_driver(struct asus_wmi_driver *driver);
82void asus_wmi_unregister_driver(struct asus_wmi_driver *driver);
83
84#endif /* !_ASUS_WMI_H_ */
85