blob: 9f8ccf9f590d96b106e8c8bb83be08246a471c16 [file] [log] [blame]
Corentin Charye12e6d92011-02-26 10:20:31 +01001/*
2 * Eee PC WMI hotkey driver
3 *
4 * Copyright(C) 2010 Intel Corporation.
Corentin Chary57ab7da2011-02-26 10:20:32 +01005 * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com>
Corentin Charye12e6d92011-02-26 10:20:31 +01006 *
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#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
28
29#include <linux/kernel.h>
30#include <linux/module.h>
31#include <linux/init.h>
32#include <linux/input.h>
33#include <linux/input/sparse-keymap.h>
34#include <linux/dmi.h>
AceLan Kao6e0044b2012-03-20 09:53:09 +010035#include <linux/fb.h>
Corentin Charye12e6d92011-02-26 10:20:31 +010036#include <acpi/acpi_bus.h>
37
38#include "asus-wmi.h"
39
40#define EEEPC_WMI_FILE "eeepc-wmi"
41
42MODULE_AUTHOR("Corentin Chary <corentincj@iksaif.net>");
43MODULE_DESCRIPTION("Eee PC WMI Hotkey Driver");
44MODULE_LICENSE("GPL");
45
46#define EEEPC_ACPI_HID "ASUS010" /* old _HID used in eeepc-laptop */
47
48#define EEEPC_WMI_EVENT_GUID "ABBC0F72-8EA1-11D1-00A0-C90629100000"
49
50MODULE_ALIAS("wmi:"EEEPC_WMI_EVENT_GUID);
51
AceLan Kaoc87992d2012-03-20 09:53:08 +010052static struct quirk_entry *quirks;
Corentin Charye12e6d92011-02-26 10:20:31 +010053static bool hotplug_wireless;
54
55module_param(hotplug_wireless, bool, 0444);
56MODULE_PARM_DESC(hotplug_wireless,
57 "Enable hotplug for wireless device. "
58 "If your laptop needs that, please report to "
59 "acpi4asus-user@lists.sourceforge.net.");
60
Seth Forshee6ae8b802011-07-01 11:34:28 +020061/* Values for T101MT "Home" key */
62#define HOME_PRESS 0xe4
63#define HOME_HOLD 0xea
64#define HOME_RELEASE 0xe5
65
Corentin Charye12e6d92011-02-26 10:20:31 +010066static const struct key_entry eeepc_wmi_keymap[] = {
67 /* Sleep already handled via generic ACPI code */
68 { KE_KEY, 0x30, { KEY_VOLUMEUP } },
69 { KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
70 { KE_KEY, 0x32, { KEY_MUTE } },
71 { KE_KEY, 0x5c, { KEY_F15 } }, /* Power Gear key */
72 { KE_KEY, 0x5d, { KEY_WLAN } },
Keng-Yu Lin3b3e73f2011-03-01 12:56:13 +080073 { KE_KEY, 0x6b, { KEY_TOUCHPAD_TOGGLE } }, /* Toggle Touchpad */
Corentin Charye12e6d92011-02-26 10:20:31 +010074 { KE_KEY, 0x82, { KEY_CAMERA } },
Corentin Chary5f854002011-02-26 10:20:43 +010075 { KE_KEY, 0x83, { KEY_CAMERA_ZOOMIN } },
Corentin Charye12e6d92011-02-26 10:20:31 +010076 { KE_KEY, 0x88, { KEY_WLAN } },
Corentin Chary94814722011-03-30 16:32:33 +020077 { KE_KEY, 0xbd, { KEY_CAMERA } },
Corentin Charye12e6d92011-02-26 10:20:31 +010078 { KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } },
79 { KE_KEY, 0xe0, { KEY_PROG1 } }, /* Task Manager */
80 { KE_KEY, 0xe1, { KEY_F14 } }, /* Change Resolution */
Seth Forshee6ae8b802011-07-01 11:34:28 +020081 { KE_KEY, HOME_PRESS, { KEY_CONFIG } }, /* Home/Express gate key */
Corentin Chary94814722011-03-30 16:32:33 +020082 { KE_KEY, 0xe8, { KEY_SCREENLOCK } },
Corentin Charye12e6d92011-02-26 10:20:31 +010083 { KE_KEY, 0xe9, { KEY_BRIGHTNESS_ZERO } },
Corentin Chary5f854002011-02-26 10:20:43 +010084 { KE_KEY, 0xeb, { KEY_CAMERA_ZOOMOUT } },
85 { KE_KEY, 0xec, { KEY_CAMERA_UP } },
86 { KE_KEY, 0xed, { KEY_CAMERA_DOWN } },
87 { KE_KEY, 0xee, { KEY_CAMERA_LEFT } },
88 { KE_KEY, 0xef, { KEY_CAMERA_RIGHT } },
Chih-Wei Huangeb649a82012-03-20 09:53:03 +010089 { KE_KEY, 0xf3, { KEY_MENU } },
90 { KE_KEY, 0xf5, { KEY_HOMEPAGE } },
91 { KE_KEY, 0xf6, { KEY_ESC } },
Corentin Charye12e6d92011-02-26 10:20:31 +010092 { KE_END, 0},
93};
94
AceLan Kaoc87992d2012-03-20 09:53:08 +010095static struct quirk_entry quirk_asus_unknown = {
96};
97
98static struct quirk_entry quirk_asus_1000h = {
99 .hotplug_wireless = true,
100};
101
AceLan Kao6e0044b2012-03-20 09:53:09 +0100102static struct quirk_entry quirk_asus_et2012_type1 = {
103 .store_backlight_power = true,
104};
105
AceLan Kaoc87992d2012-03-20 09:53:08 +0100106static struct quirk_entry quirk_asus_et2012_type3 = {
107 .scalar_panel_brightness = true,
AceLan Kao6e0044b2012-03-20 09:53:09 +0100108 .store_backlight_power = true,
AceLan Kaoc87992d2012-03-20 09:53:08 +0100109};
110
111static int dmi_matched(const struct dmi_system_id *dmi)
112{
113 char *model;
114 quirks = dmi->driver_data;
115
116 model = (char *)dmi->matches[1].substr;
117 if (unlikely(strncmp(model, "ET2012", 6) == 0)) {
118 const struct dmi_device *dev = NULL;
119 char oemstring[30];
AceLan Kao6e0044b2012-03-20 09:53:09 +0100120 while ((dev = dmi_find_device(DMI_DEV_TYPE_OEM_STRING,
121 NULL, dev))) {
AceLan Kaoc87992d2012-03-20 09:53:08 +0100122 if (sscanf(dev->name, "AEMS%24c", oemstring) == 1) {
AceLan Kao6e0044b2012-03-20 09:53:09 +0100123 if (oemstring[18] == '1')
124 quirks = &quirk_asus_et2012_type1;
125 else if (oemstring[18] == '3')
AceLan Kaoc87992d2012-03-20 09:53:08 +0100126 quirks = &quirk_asus_et2012_type3;
127 break;
128 }
129 }
130 }
131 return 1;
132}
133
134static struct dmi_system_id asus_quirks[] = {
135 {
136 .callback = dmi_matched,
137 .ident = "ASUSTeK Computer INC. 1000H",
138 .matches = {
139 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."),
140 DMI_MATCH(DMI_PRODUCT_NAME, "1000H"),
141 },
142 .driver_data = &quirk_asus_1000h,
143 },
144 {
145 .callback = dmi_matched,
146 .ident = "ASUSTeK Computer INC. ET2012E/I",
147 .matches = {
148 DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."),
149 DMI_MATCH(DMI_PRODUCT_NAME, "ET2012"),
150 },
151 .driver_data = &quirk_asus_unknown,
152 },
153 {},
154};
155
Seth Forshee6ae8b802011-07-01 11:34:28 +0200156static void eeepc_wmi_key_filter(struct asus_wmi_driver *asus_wmi, int *code,
157 unsigned int *value, bool *autorelease)
158{
159 switch (*code) {
160 case HOME_PRESS:
161 *value = 1;
162 *autorelease = 0;
163 break;
164 case HOME_HOLD:
165 *code = ASUS_WMI_KEY_IGNORE;
166 break;
167 case HOME_RELEASE:
168 *code = HOME_PRESS;
169 *value = 0;
170 *autorelease = 0;
171 break;
172 }
173}
174
Corentin Charye12e6d92011-02-26 10:20:31 +0100175static acpi_status eeepc_wmi_parse_device(acpi_handle handle, u32 level,
176 void *context, void **retval)
177{
Joe Perches22441ff2011-03-29 15:21:38 -0700178 pr_warn("Found legacy ATKD device (%s)\n", EEEPC_ACPI_HID);
Corentin Charye12e6d92011-02-26 10:20:31 +0100179 *(bool *)context = true;
180 return AE_CTRL_TERMINATE;
181}
182
183static int eeepc_wmi_check_atkd(void)
184{
185 acpi_status status;
186 bool found = false;
187
188 status = acpi_get_devices(EEEPC_ACPI_HID, eeepc_wmi_parse_device,
189 &found, NULL);
190
191 if (ACPI_FAILURE(status) || !found)
192 return 0;
193 return -1;
194}
195
196static int eeepc_wmi_probe(struct platform_device *pdev)
197{
198 if (eeepc_wmi_check_atkd()) {
Joe Perches22441ff2011-03-29 15:21:38 -0700199 pr_warn("WMI device present, but legacy ATKD device is also "
200 "present and enabled\n");
201 pr_warn("You probably booted with acpi_osi=\"Linux\" or "
202 "acpi_osi=\"!Windows 2009\"\n");
203 pr_warn("Can't load eeepc-wmi, use default acpi_osi "
204 "(preferred) or eeepc-laptop\n");
Corentin Charye12e6d92011-02-26 10:20:31 +0100205 return -EBUSY;
206 }
207 return 0;
208}
209
Corentin Charye12e6d92011-02-26 10:20:31 +0100210static void eeepc_wmi_quirks(struct asus_wmi_driver *driver)
211{
Corentin Charyfddbfed2011-07-01 11:34:39 +0200212 driver->wapf = -1;
AceLan Kao6e0044b2012-03-20 09:53:09 +0100213 driver->panel_power = FB_BLANK_UNBLANK;
AceLan Kaoc87992d2012-03-20 09:53:08 +0100214 driver->quirks = &quirk_asus_unknown;
215 driver->quirks->hotplug_wireless = hotplug_wireless;
216 dmi_check_system(asus_quirks);
217 driver->quirks = quirks;
Corentin Charye12e6d92011-02-26 10:20:31 +0100218}
219
220static struct asus_wmi_driver asus_wmi_driver = {
221 .name = EEEPC_WMI_FILE,
222 .owner = THIS_MODULE,
223 .event_guid = EEEPC_WMI_EVENT_GUID,
224 .keymap = eeepc_wmi_keymap,
225 .input_name = "Eee PC WMI hotkeys",
226 .input_phys = EEEPC_WMI_FILE "/input0",
Seth Forshee6ae8b802011-07-01 11:34:28 +0200227 .key_filter = eeepc_wmi_key_filter,
Corentin Charye12e6d92011-02-26 10:20:31 +0100228 .probe = eeepc_wmi_probe,
AceLan Kaoc87992d2012-03-20 09:53:08 +0100229 .detect_quirks = eeepc_wmi_quirks,
Corentin Charye12e6d92011-02-26 10:20:31 +0100230};
231
232
233static int __init eeepc_wmi_init(void)
234{
235 return asus_wmi_register_driver(&asus_wmi_driver);
236}
237
238static void __exit eeepc_wmi_exit(void)
239{
240 asus_wmi_unregister_driver(&asus_wmi_driver);
241}
242
243module_init(eeepc_wmi_init);
244module_exit(eeepc_wmi_exit);