1e12e6d94SCorentin Chary /* 2e12e6d94SCorentin Chary * Eee PC WMI hotkey driver 3e12e6d94SCorentin Chary * 4e12e6d94SCorentin Chary * Copyright(C) 2010 Intel Corporation. 557ab7daeSCorentin Chary * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com> 6e12e6d94SCorentin Chary * 7e12e6d94SCorentin Chary * Portions based on wistron_btns.c: 8e12e6d94SCorentin Chary * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz> 9e12e6d94SCorentin Chary * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org> 10e12e6d94SCorentin Chary * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru> 11e12e6d94SCorentin Chary * 12e12e6d94SCorentin Chary * This program is free software; you can redistribute it and/or modify 13e12e6d94SCorentin Chary * it under the terms of the GNU General Public License as published by 14e12e6d94SCorentin Chary * the Free Software Foundation; either version 2 of the License, or 15e12e6d94SCorentin Chary * (at your option) any later version. 16e12e6d94SCorentin Chary * 17e12e6d94SCorentin Chary * This program is distributed in the hope that it will be useful, 18e12e6d94SCorentin Chary * but WITHOUT ANY WARRANTY; without even the implied warranty of 19e12e6d94SCorentin Chary * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20e12e6d94SCorentin Chary * GNU General Public License for more details. 21e12e6d94SCorentin Chary * 22e12e6d94SCorentin Chary * You should have received a copy of the GNU General Public License 23e12e6d94SCorentin Chary * along with this program; if not, write to the Free Software 24e12e6d94SCorentin Chary * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 25e12e6d94SCorentin Chary */ 26e12e6d94SCorentin Chary 27e12e6d94SCorentin Chary #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 28e12e6d94SCorentin Chary 29e12e6d94SCorentin Chary #include <linux/kernel.h> 30e12e6d94SCorentin Chary #include <linux/module.h> 31e12e6d94SCorentin Chary #include <linux/init.h> 32e12e6d94SCorentin Chary #include <linux/input.h> 33e12e6d94SCorentin Chary #include <linux/input/sparse-keymap.h> 34e12e6d94SCorentin Chary #include <linux/dmi.h> 35e12e6d94SCorentin Chary #include <acpi/acpi_bus.h> 36e12e6d94SCorentin Chary 37e12e6d94SCorentin Chary #include "asus-wmi.h" 38e12e6d94SCorentin Chary 39e12e6d94SCorentin Chary #define EEEPC_WMI_FILE "eeepc-wmi" 40e12e6d94SCorentin Chary 41e12e6d94SCorentin Chary MODULE_AUTHOR("Corentin Chary <corentincj@iksaif.net>"); 42e12e6d94SCorentin Chary MODULE_DESCRIPTION("Eee PC WMI Hotkey Driver"); 43e12e6d94SCorentin Chary MODULE_LICENSE("GPL"); 44e12e6d94SCorentin Chary 45e12e6d94SCorentin Chary #define EEEPC_ACPI_HID "ASUS010" /* old _HID used in eeepc-laptop */ 46e12e6d94SCorentin Chary 47e12e6d94SCorentin Chary #define EEEPC_WMI_EVENT_GUID "ABBC0F72-8EA1-11D1-00A0-C90629100000" 48e12e6d94SCorentin Chary 49e12e6d94SCorentin Chary MODULE_ALIAS("wmi:"EEEPC_WMI_EVENT_GUID); 50e12e6d94SCorentin Chary 51e12e6d94SCorentin Chary static bool hotplug_wireless; 52e12e6d94SCorentin Chary 53e12e6d94SCorentin Chary module_param(hotplug_wireless, bool, 0444); 54e12e6d94SCorentin Chary MODULE_PARM_DESC(hotplug_wireless, 55e12e6d94SCorentin Chary "Enable hotplug for wireless device. " 56e12e6d94SCorentin Chary "If your laptop needs that, please report to " 57e12e6d94SCorentin Chary "acpi4asus-user@lists.sourceforge.net."); 58e12e6d94SCorentin Chary 596ae8b807SSeth Forshee /* Values for T101MT "Home" key */ 606ae8b807SSeth Forshee #define HOME_PRESS 0xe4 616ae8b807SSeth Forshee #define HOME_HOLD 0xea 626ae8b807SSeth Forshee #define HOME_RELEASE 0xe5 636ae8b807SSeth Forshee 64e12e6d94SCorentin Chary static const struct key_entry eeepc_wmi_keymap[] = { 65e12e6d94SCorentin Chary /* Sleep already handled via generic ACPI code */ 66e12e6d94SCorentin Chary { KE_KEY, 0x30, { KEY_VOLUMEUP } }, 67e12e6d94SCorentin Chary { KE_KEY, 0x31, { KEY_VOLUMEDOWN } }, 68e12e6d94SCorentin Chary { KE_KEY, 0x32, { KEY_MUTE } }, 69e12e6d94SCorentin Chary { KE_KEY, 0x5c, { KEY_F15 } }, /* Power Gear key */ 70e12e6d94SCorentin Chary { KE_KEY, 0x5d, { KEY_WLAN } }, 713b3e73f7SKeng-Yu Lin { KE_KEY, 0x6b, { KEY_TOUCHPAD_TOGGLE } }, /* Toggle Touchpad */ 72e12e6d94SCorentin Chary { KE_KEY, 0x82, { KEY_CAMERA } }, 735f854009SCorentin Chary { KE_KEY, 0x83, { KEY_CAMERA_ZOOMIN } }, 74e12e6d94SCorentin Chary { KE_KEY, 0x88, { KEY_WLAN } }, 7594814725SCorentin Chary { KE_KEY, 0xbd, { KEY_CAMERA } }, 76e12e6d94SCorentin Chary { KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } }, 77e12e6d94SCorentin Chary { KE_KEY, 0xe0, { KEY_PROG1 } }, /* Task Manager */ 78e12e6d94SCorentin Chary { KE_KEY, 0xe1, { KEY_F14 } }, /* Change Resolution */ 796ae8b807SSeth Forshee { KE_KEY, HOME_PRESS, { KEY_CONFIG } }, /* Home/Express gate key */ 8094814725SCorentin Chary { KE_KEY, 0xe8, { KEY_SCREENLOCK } }, 81e12e6d94SCorentin Chary { KE_KEY, 0xe9, { KEY_BRIGHTNESS_ZERO } }, 825f854009SCorentin Chary { KE_KEY, 0xeb, { KEY_CAMERA_ZOOMOUT } }, 835f854009SCorentin Chary { KE_KEY, 0xec, { KEY_CAMERA_UP } }, 845f854009SCorentin Chary { KE_KEY, 0xed, { KEY_CAMERA_DOWN } }, 855f854009SCorentin Chary { KE_KEY, 0xee, { KEY_CAMERA_LEFT } }, 865f854009SCorentin Chary { KE_KEY, 0xef, { KEY_CAMERA_RIGHT } }, 87eb649a81SChih-Wei Huang { KE_KEY, 0xf3, { KEY_MENU } }, 88eb649a81SChih-Wei Huang { KE_KEY, 0xf5, { KEY_HOMEPAGE } }, 89eb649a81SChih-Wei Huang { KE_KEY, 0xf6, { KEY_ESC } }, 90e12e6d94SCorentin Chary { KE_END, 0}, 91e12e6d94SCorentin Chary }; 92e12e6d94SCorentin Chary 936ae8b807SSeth Forshee static void eeepc_wmi_key_filter(struct asus_wmi_driver *asus_wmi, int *code, 946ae8b807SSeth Forshee unsigned int *value, bool *autorelease) 956ae8b807SSeth Forshee { 966ae8b807SSeth Forshee switch (*code) { 976ae8b807SSeth Forshee case HOME_PRESS: 986ae8b807SSeth Forshee *value = 1; 996ae8b807SSeth Forshee *autorelease = 0; 1006ae8b807SSeth Forshee break; 1016ae8b807SSeth Forshee case HOME_HOLD: 1026ae8b807SSeth Forshee *code = ASUS_WMI_KEY_IGNORE; 1036ae8b807SSeth Forshee break; 1046ae8b807SSeth Forshee case HOME_RELEASE: 1056ae8b807SSeth Forshee *code = HOME_PRESS; 1066ae8b807SSeth Forshee *value = 0; 1076ae8b807SSeth Forshee *autorelease = 0; 1086ae8b807SSeth Forshee break; 1096ae8b807SSeth Forshee } 1106ae8b807SSeth Forshee } 1116ae8b807SSeth Forshee 112e12e6d94SCorentin Chary static acpi_status eeepc_wmi_parse_device(acpi_handle handle, u32 level, 113e12e6d94SCorentin Chary void *context, void **retval) 114e12e6d94SCorentin Chary { 11522441ffeSJoe Perches pr_warn("Found legacy ATKD device (%s)\n", EEEPC_ACPI_HID); 116e12e6d94SCorentin Chary *(bool *)context = true; 117e12e6d94SCorentin Chary return AE_CTRL_TERMINATE; 118e12e6d94SCorentin Chary } 119e12e6d94SCorentin Chary 120e12e6d94SCorentin Chary static int eeepc_wmi_check_atkd(void) 121e12e6d94SCorentin Chary { 122e12e6d94SCorentin Chary acpi_status status; 123e12e6d94SCorentin Chary bool found = false; 124e12e6d94SCorentin Chary 125e12e6d94SCorentin Chary status = acpi_get_devices(EEEPC_ACPI_HID, eeepc_wmi_parse_device, 126e12e6d94SCorentin Chary &found, NULL); 127e12e6d94SCorentin Chary 128e12e6d94SCorentin Chary if (ACPI_FAILURE(status) || !found) 129e12e6d94SCorentin Chary return 0; 130e12e6d94SCorentin Chary return -1; 131e12e6d94SCorentin Chary } 132e12e6d94SCorentin Chary 133e12e6d94SCorentin Chary static int eeepc_wmi_probe(struct platform_device *pdev) 134e12e6d94SCorentin Chary { 135e12e6d94SCorentin Chary if (eeepc_wmi_check_atkd()) { 13622441ffeSJoe Perches pr_warn("WMI device present, but legacy ATKD device is also " 13722441ffeSJoe Perches "present and enabled\n"); 13822441ffeSJoe Perches pr_warn("You probably booted with acpi_osi=\"Linux\" or " 13922441ffeSJoe Perches "acpi_osi=\"!Windows 2009\"\n"); 14022441ffeSJoe Perches pr_warn("Can't load eeepc-wmi, use default acpi_osi " 14122441ffeSJoe Perches "(preferred) or eeepc-laptop\n"); 142e12e6d94SCorentin Chary return -EBUSY; 143e12e6d94SCorentin Chary } 144e12e6d94SCorentin Chary return 0; 145e12e6d94SCorentin Chary } 146e12e6d94SCorentin Chary 147e12e6d94SCorentin Chary static void eeepc_dmi_check(struct asus_wmi_driver *driver) 148e12e6d94SCorentin Chary { 149e12e6d94SCorentin Chary const char *model; 150e12e6d94SCorentin Chary 151e12e6d94SCorentin Chary model = dmi_get_system_info(DMI_PRODUCT_NAME); 152e12e6d94SCorentin Chary if (!model) 153e12e6d94SCorentin Chary return; 154e12e6d94SCorentin Chary 155e12e6d94SCorentin Chary /* 156e12e6d94SCorentin Chary * Whitelist for wlan hotplug 157e12e6d94SCorentin Chary * 158e12e6d94SCorentin Chary * Asus 1000H needs the current hotplug code to handle 159e12e6d94SCorentin Chary * Fn+F2 correctly. We may add other Asus here later, but 160e12e6d94SCorentin Chary * it seems that most of the laptops supported by asus-wmi 161e12e6d94SCorentin Chary * don't need to be on this list 162e12e6d94SCorentin Chary */ 163e12e6d94SCorentin Chary if (strcmp(model, "1000H") == 0) { 164e12e6d94SCorentin Chary driver->hotplug_wireless = true; 165e12e6d94SCorentin Chary pr_info("wlan hotplug enabled\n"); 166e12e6d94SCorentin Chary } 167e12e6d94SCorentin Chary } 168e12e6d94SCorentin Chary 169e12e6d94SCorentin Chary static void eeepc_wmi_quirks(struct asus_wmi_driver *driver) 170e12e6d94SCorentin Chary { 171e12e6d94SCorentin Chary driver->hotplug_wireless = hotplug_wireless; 172fddbfed5SCorentin Chary driver->wapf = -1; 173e12e6d94SCorentin Chary eeepc_dmi_check(driver); 174e12e6d94SCorentin Chary } 175e12e6d94SCorentin Chary 176e12e6d94SCorentin Chary static struct asus_wmi_driver asus_wmi_driver = { 177e12e6d94SCorentin Chary .name = EEEPC_WMI_FILE, 178e12e6d94SCorentin Chary .owner = THIS_MODULE, 179e12e6d94SCorentin Chary .event_guid = EEEPC_WMI_EVENT_GUID, 180e12e6d94SCorentin Chary .keymap = eeepc_wmi_keymap, 181e12e6d94SCorentin Chary .input_name = "Eee PC WMI hotkeys", 182e12e6d94SCorentin Chary .input_phys = EEEPC_WMI_FILE "/input0", 1836ae8b807SSeth Forshee .key_filter = eeepc_wmi_key_filter, 184e12e6d94SCorentin Chary .probe = eeepc_wmi_probe, 185e12e6d94SCorentin Chary .quirks = eeepc_wmi_quirks, 186e12e6d94SCorentin Chary }; 187e12e6d94SCorentin Chary 188e12e6d94SCorentin Chary 189e12e6d94SCorentin Chary static int __init eeepc_wmi_init(void) 190e12e6d94SCorentin Chary { 191e12e6d94SCorentin Chary return asus_wmi_register_driver(&asus_wmi_driver); 192e12e6d94SCorentin Chary } 193e12e6d94SCorentin Chary 194e12e6d94SCorentin Chary static void __exit eeepc_wmi_exit(void) 195e12e6d94SCorentin Chary { 196e12e6d94SCorentin Chary asus_wmi_unregister_driver(&asus_wmi_driver); 197e12e6d94SCorentin Chary } 198e12e6d94SCorentin Chary 199e12e6d94SCorentin Chary module_init(eeepc_wmi_init); 200e12e6d94SCorentin Chary module_exit(eeepc_wmi_exit); 201