1 /*
2  * Asus Notebooks WMI hotkey driver
3  *
4  * Copyright(C) 2010 Corentin Chary <corentin.chary@gmail.com>
5  *
6  *  This program is free software; you can redistribute it and/or modify
7  *  it under the terms of the GNU General Public License as published by
8  *  the Free Software Foundation; either version 2 of the License, or
9  *  (at your option) any later version.
10  *
11  *  This program is distributed in the hope that it will be useful,
12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
14  *  GNU General Public License for more details.
15  *
16  *  You should have received a copy of the GNU General Public License
17  *  along with this program; if not, write to the Free Software
18  *  Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
19  */
20 
21 #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt
22 
23 #include <linux/kernel.h>
24 #include <linux/module.h>
25 #include <linux/init.h>
26 #include <linux/input.h>
27 #include <linux/input/sparse-keymap.h>
28 
29 #include "asus-wmi.h"
30 
31 #define	ASUS_NB_WMI_FILE	"asus-nb-wmi"
32 
33 MODULE_AUTHOR("Corentin Chary <corentincj@iksaif.net>");
34 MODULE_DESCRIPTION("Asus Notebooks WMI Hotkey Driver");
35 MODULE_LICENSE("GPL");
36 
37 #define ASUS_NB_WMI_EVENT_GUID	"0B3CBB35-E3C2-45ED-91C2-4C5A6D195D1C"
38 
39 MODULE_ALIAS("wmi:"ASUS_NB_WMI_EVENT_GUID);
40 
41 /*
42  * WAPF defines the behavior of the Fn+Fx wlan key
43  * The significance of values is yet to be found, but
44  * most of the time:
45  * Bit | Bluetooth | WLAN
46  *  0  | Hardware  | Hardware
47  *  1  | Hardware  | Software
48  *  4  | Software  | Software
49  */
50 static uint wapf;
51 module_param(wapf, uint, 0444);
52 MODULE_PARM_DESC(wapf, "WAPF value");
53 
54 static void asus_nb_wmi_quirks(struct asus_wmi_driver *driver)
55 {
56 	driver->wapf = wapf;
57 }
58 
59 static const struct key_entry asus_nb_wmi_keymap[] = {
60 	{ KE_KEY, 0x30, { KEY_VOLUMEUP } },
61 	{ KE_KEY, 0x31, { KEY_VOLUMEDOWN } },
62 	{ KE_KEY, 0x32, { KEY_MUTE } },
63 	{ KE_KEY, 0x33, { KEY_DISPLAYTOGGLE } }, /* LCD on */
64 	{ KE_KEY, 0x34, { KEY_DISPLAY_OFF } }, /* LCD off */
65 	{ KE_KEY, 0x40, { KEY_PREVIOUSSONG } },
66 	{ KE_KEY, 0x41, { KEY_NEXTSONG } },
67 	{ KE_KEY, 0x43, { KEY_STOPCD } },
68 	{ KE_KEY, 0x45, { KEY_PLAYPAUSE } },
69 	{ KE_KEY, 0x4c, { KEY_MEDIA } },
70 	{ KE_KEY, 0x50, { KEY_EMAIL } },
71 	{ KE_KEY, 0x51, { KEY_WWW } },
72 	{ KE_KEY, 0x55, { KEY_CALC } },
73 	{ KE_KEY, 0x5C, { KEY_F15 } },  /* Power Gear key */
74 	{ KE_KEY, 0x5D, { KEY_WLAN } }, /* Wireless console Toggle */
75 	{ KE_KEY, 0x5E, { KEY_WLAN } }, /* Wireless console Enable */
76 	{ KE_KEY, 0x5F, { KEY_WLAN } }, /* Wireless console Disable */
77 	{ KE_KEY, 0x60, { KEY_SWITCHVIDEOMODE } },
78 	{ KE_KEY, 0x61, { KEY_SWITCHVIDEOMODE } },
79 	{ KE_KEY, 0x62, { KEY_SWITCHVIDEOMODE } },
80 	{ KE_KEY, 0x63, { KEY_SWITCHVIDEOMODE } },
81 	{ KE_KEY, 0x6B, { KEY_TOUCHPAD_TOGGLE } },
82 	{ KE_KEY, 0x7D, { KEY_BLUETOOTH } },
83 	{ KE_KEY, 0x7E, { KEY_BLUETOOTH } },
84 	{ KE_KEY, 0x82, { KEY_CAMERA } },
85 	{ KE_KEY, 0x88, { KEY_RFKILL  } },
86 	{ KE_KEY, 0x8A, { KEY_PROG1 } },
87 	{ KE_KEY, 0x95, { KEY_MEDIA } },
88 	{ KE_KEY, 0x99, { KEY_PHONE } },
89 	{ KE_KEY, 0xb5, { KEY_CALC } },
90 	{ KE_KEY, 0xc4, { KEY_KBDILLUMUP } },
91 	{ KE_KEY, 0xc5, { KEY_KBDILLUMDOWN } },
92 	{ KE_END, 0},
93 };
94 
95 static struct asus_wmi_driver asus_nb_wmi_driver = {
96 	.name = ASUS_NB_WMI_FILE,
97 	.owner = THIS_MODULE,
98 	.event_guid = ASUS_NB_WMI_EVENT_GUID,
99 	.keymap = asus_nb_wmi_keymap,
100 	.input_name = "Asus WMI hotkeys",
101 	.input_phys = ASUS_NB_WMI_FILE "/input0",
102 	.quirks = asus_nb_wmi_quirks,
103 };
104 
105 
106 static int __init asus_nb_wmi_init(void)
107 {
108 	return asus_wmi_register_driver(&asus_nb_wmi_driver);
109 }
110 
111 static void __exit asus_nb_wmi_exit(void)
112 {
113 	asus_wmi_unregister_driver(&asus_nb_wmi_driver);
114 }
115 
116 module_init(asus_nb_wmi_init);
117 module_exit(asus_nb_wmi_exit);
118