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> 356e0044beSAceLan Kao #include <linux/fb.h> 36e12e6d94SCorentin Chary #include <acpi/acpi_bus.h> 37e12e6d94SCorentin Chary 38e12e6d94SCorentin Chary #include "asus-wmi.h" 39e12e6d94SCorentin Chary 40e12e6d94SCorentin Chary #define EEEPC_WMI_FILE "eeepc-wmi" 41e12e6d94SCorentin Chary 42e12e6d94SCorentin Chary MODULE_AUTHOR("Corentin Chary <corentincj@iksaif.net>"); 43e12e6d94SCorentin Chary MODULE_DESCRIPTION("Eee PC WMI Hotkey Driver"); 44e12e6d94SCorentin Chary MODULE_LICENSE("GPL"); 45e12e6d94SCorentin Chary 46e12e6d94SCorentin Chary #define EEEPC_ACPI_HID "ASUS010" /* old _HID used in eeepc-laptop */ 47e12e6d94SCorentin Chary 48e12e6d94SCorentin Chary #define EEEPC_WMI_EVENT_GUID "ABBC0F72-8EA1-11D1-00A0-C90629100000" 49e12e6d94SCorentin Chary 50e12e6d94SCorentin Chary MODULE_ALIAS("wmi:"EEEPC_WMI_EVENT_GUID); 51e12e6d94SCorentin Chary 52e12e6d94SCorentin Chary static bool hotplug_wireless; 53e12e6d94SCorentin Chary 54e12e6d94SCorentin Chary module_param(hotplug_wireless, bool, 0444); 55e12e6d94SCorentin Chary MODULE_PARM_DESC(hotplug_wireless, 56e12e6d94SCorentin Chary "Enable hotplug for wireless device. " 57e12e6d94SCorentin Chary "If your laptop needs that, please report to " 58e12e6d94SCorentin Chary "acpi4asus-user@lists.sourceforge.net."); 59e12e6d94SCorentin Chary 606ae8b807SSeth Forshee /* Values for T101MT "Home" key */ 616ae8b807SSeth Forshee #define HOME_PRESS 0xe4 626ae8b807SSeth Forshee #define HOME_HOLD 0xea 636ae8b807SSeth Forshee #define HOME_RELEASE 0xe5 646ae8b807SSeth Forshee 65e12e6d94SCorentin Chary static const struct key_entry eeepc_wmi_keymap[] = { 66e12e6d94SCorentin Chary /* Sleep already handled via generic ACPI code */ 67e12e6d94SCorentin Chary { KE_KEY, 0x30, { KEY_VOLUMEUP } }, 68e12e6d94SCorentin Chary { KE_KEY, 0x31, { KEY_VOLUMEDOWN } }, 69e12e6d94SCorentin Chary { KE_KEY, 0x32, { KEY_MUTE } }, 70e12e6d94SCorentin Chary { KE_KEY, 0x5c, { KEY_F15 } }, /* Power Gear key */ 71e12e6d94SCorentin Chary { KE_KEY, 0x5d, { KEY_WLAN } }, 723b3e73f7SKeng-Yu Lin { KE_KEY, 0x6b, { KEY_TOUCHPAD_TOGGLE } }, /* Toggle Touchpad */ 73e12e6d94SCorentin Chary { KE_KEY, 0x82, { KEY_CAMERA } }, 745f854009SCorentin Chary { KE_KEY, 0x83, { KEY_CAMERA_ZOOMIN } }, 75e12e6d94SCorentin Chary { KE_KEY, 0x88, { KEY_WLAN } }, 7694814725SCorentin Chary { KE_KEY, 0xbd, { KEY_CAMERA } }, 77e12e6d94SCorentin Chary { KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } }, 78e12e6d94SCorentin Chary { KE_KEY, 0xe0, { KEY_PROG1 } }, /* Task Manager */ 79e12e6d94SCorentin Chary { KE_KEY, 0xe1, { KEY_F14 } }, /* Change Resolution */ 806ae8b807SSeth Forshee { KE_KEY, HOME_PRESS, { KEY_CONFIG } }, /* Home/Express gate key */ 8194814725SCorentin Chary { KE_KEY, 0xe8, { KEY_SCREENLOCK } }, 82272c77d5SAceLan Kao { KE_KEY, 0xe9, { KEY_DISPLAYTOGGLE } }, 835f854009SCorentin Chary { KE_KEY, 0xeb, { KEY_CAMERA_ZOOMOUT } }, 845f854009SCorentin Chary { KE_KEY, 0xec, { KEY_CAMERA_UP } }, 855f854009SCorentin Chary { KE_KEY, 0xed, { KEY_CAMERA_DOWN } }, 865f854009SCorentin Chary { KE_KEY, 0xee, { KEY_CAMERA_LEFT } }, 875f854009SCorentin Chary { KE_KEY, 0xef, { KEY_CAMERA_RIGHT } }, 88eb649a81SChih-Wei Huang { KE_KEY, 0xf3, { KEY_MENU } }, 89eb649a81SChih-Wei Huang { KE_KEY, 0xf5, { KEY_HOMEPAGE } }, 90eb649a81SChih-Wei Huang { KE_KEY, 0xf6, { KEY_ESC } }, 91e12e6d94SCorentin Chary { KE_END, 0}, 92e12e6d94SCorentin Chary }; 93e12e6d94SCorentin Chary 94c87992d1SAceLan Kao static struct quirk_entry quirk_asus_unknown = { 95c87992d1SAceLan Kao }; 96c87992d1SAceLan Kao 97c87992d1SAceLan Kao static struct quirk_entry quirk_asus_1000h = { 98c87992d1SAceLan Kao .hotplug_wireless = true, 99c87992d1SAceLan Kao }; 100c87992d1SAceLan Kao 1016e0044beSAceLan Kao static struct quirk_entry quirk_asus_et2012_type1 = { 1026e0044beSAceLan Kao .store_backlight_power = true, 1036e0044beSAceLan Kao }; 1046e0044beSAceLan Kao 105c87992d1SAceLan Kao static struct quirk_entry quirk_asus_et2012_type3 = { 106c87992d1SAceLan Kao .scalar_panel_brightness = true, 1076e0044beSAceLan Kao .store_backlight_power = true, 108c87992d1SAceLan Kao }; 109c87992d1SAceLan Kao 110272c77d5SAceLan Kao static struct quirk_entry quirk_asus_x101ch = { 111272c77d5SAceLan Kao /* We need this when ACPI function doesn't do this well */ 112272c77d5SAceLan Kao .wmi_backlight_power = true, 113272c77d5SAceLan Kao }; 114272c77d5SAceLan Kao 115c55d995dSCorentin Chary static struct quirk_entry *quirks; 116c55d995dSCorentin Chary 1177a61d020SCorentin Chary static void et2012_quirks(void) 118c87992d1SAceLan Kao { 119c87992d1SAceLan Kao const struct dmi_device *dev = NULL; 120c87992d1SAceLan Kao char oemstring[30]; 1217a61d020SCorentin Chary 1227a61d020SCorentin Chary while ((dev = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, NULL, dev))) { 123c87992d1SAceLan Kao if (sscanf(dev->name, "AEMS%24c", oemstring) == 1) { 1246e0044beSAceLan Kao if (oemstring[18] == '1') 1256e0044beSAceLan Kao quirks = &quirk_asus_et2012_type1; 1266e0044beSAceLan Kao else if (oemstring[18] == '3') 127c87992d1SAceLan Kao quirks = &quirk_asus_et2012_type3; 128c87992d1SAceLan Kao break; 129c87992d1SAceLan Kao } 130c87992d1SAceLan Kao } 131c87992d1SAceLan Kao } 1327a61d020SCorentin Chary 1337a61d020SCorentin Chary static int dmi_matched(const struct dmi_system_id *dmi) 1347a61d020SCorentin Chary { 1357a61d020SCorentin Chary char *model; 1367a61d020SCorentin Chary 1377a61d020SCorentin Chary quirks = dmi->driver_data; 1387a61d020SCorentin Chary 1397a61d020SCorentin Chary model = (char *)dmi->matches[1].substr; 1407a61d020SCorentin Chary if (unlikely(strncmp(model, "ET2012", 6) == 0)) 1417a61d020SCorentin Chary et2012_quirks(); 1427a61d020SCorentin Chary 143c87992d1SAceLan Kao return 1; 144c87992d1SAceLan Kao } 145c87992d1SAceLan Kao 146c87992d1SAceLan Kao static struct dmi_system_id asus_quirks[] = { 147c87992d1SAceLan Kao { 148c87992d1SAceLan Kao .callback = dmi_matched, 149c87992d1SAceLan Kao .ident = "ASUSTeK Computer INC. 1000H", 150c87992d1SAceLan Kao .matches = { 151c87992d1SAceLan Kao DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."), 152c87992d1SAceLan Kao DMI_MATCH(DMI_PRODUCT_NAME, "1000H"), 153c87992d1SAceLan Kao }, 154c87992d1SAceLan Kao .driver_data = &quirk_asus_1000h, 155c87992d1SAceLan Kao }, 156c87992d1SAceLan Kao { 157c87992d1SAceLan Kao .callback = dmi_matched, 158c87992d1SAceLan Kao .ident = "ASUSTeK Computer INC. ET2012E/I", 159c87992d1SAceLan Kao .matches = { 160c87992d1SAceLan Kao DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."), 161c87992d1SAceLan Kao DMI_MATCH(DMI_PRODUCT_NAME, "ET2012"), 162c87992d1SAceLan Kao }, 163c87992d1SAceLan Kao .driver_data = &quirk_asus_unknown, 164c87992d1SAceLan Kao }, 165272c77d5SAceLan Kao { 166272c77d5SAceLan Kao .callback = dmi_matched, 167272c77d5SAceLan Kao .ident = "ASUSTeK Computer INC. X101CH", 168272c77d5SAceLan Kao .matches = { 169272c77d5SAceLan Kao DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 170272c77d5SAceLan Kao DMI_MATCH(DMI_PRODUCT_NAME, "X101CH"), 171272c77d5SAceLan Kao }, 172272c77d5SAceLan Kao .driver_data = &quirk_asus_x101ch, 173272c77d5SAceLan Kao }, 174272c77d5SAceLan Kao { 175272c77d5SAceLan Kao .callback = dmi_matched, 176272c77d5SAceLan Kao .ident = "ASUSTeK Computer INC. 1015CX", 177272c77d5SAceLan Kao .matches = { 178272c77d5SAceLan Kao DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 179272c77d5SAceLan Kao DMI_MATCH(DMI_PRODUCT_NAME, "1015CX"), 180272c77d5SAceLan Kao }, 181272c77d5SAceLan Kao .driver_data = &quirk_asus_x101ch, 182272c77d5SAceLan Kao }, 183c87992d1SAceLan Kao {}, 184c87992d1SAceLan Kao }; 185c87992d1SAceLan Kao 1866ae8b807SSeth Forshee static void eeepc_wmi_key_filter(struct asus_wmi_driver *asus_wmi, int *code, 1876ae8b807SSeth Forshee unsigned int *value, bool *autorelease) 1886ae8b807SSeth Forshee { 1896ae8b807SSeth Forshee switch (*code) { 1906ae8b807SSeth Forshee case HOME_PRESS: 1916ae8b807SSeth Forshee *value = 1; 1926ae8b807SSeth Forshee *autorelease = 0; 1936ae8b807SSeth Forshee break; 1946ae8b807SSeth Forshee case HOME_HOLD: 1956ae8b807SSeth Forshee *code = ASUS_WMI_KEY_IGNORE; 1966ae8b807SSeth Forshee break; 1976ae8b807SSeth Forshee case HOME_RELEASE: 1986ae8b807SSeth Forshee *code = HOME_PRESS; 1996ae8b807SSeth Forshee *value = 0; 2006ae8b807SSeth Forshee *autorelease = 0; 2016ae8b807SSeth Forshee break; 2026ae8b807SSeth Forshee } 2036ae8b807SSeth Forshee } 2046ae8b807SSeth Forshee 205e12e6d94SCorentin Chary static acpi_status eeepc_wmi_parse_device(acpi_handle handle, u32 level, 206e12e6d94SCorentin Chary void *context, void **retval) 207e12e6d94SCorentin Chary { 20822441ffeSJoe Perches pr_warn("Found legacy ATKD device (%s)\n", EEEPC_ACPI_HID); 209e12e6d94SCorentin Chary *(bool *)context = true; 210e12e6d94SCorentin Chary return AE_CTRL_TERMINATE; 211e12e6d94SCorentin Chary } 212e12e6d94SCorentin Chary 213e12e6d94SCorentin Chary static int eeepc_wmi_check_atkd(void) 214e12e6d94SCorentin Chary { 215e12e6d94SCorentin Chary acpi_status status; 216e12e6d94SCorentin Chary bool found = false; 217e12e6d94SCorentin Chary 218e12e6d94SCorentin Chary status = acpi_get_devices(EEEPC_ACPI_HID, eeepc_wmi_parse_device, 219e12e6d94SCorentin Chary &found, NULL); 220e12e6d94SCorentin Chary 221e12e6d94SCorentin Chary if (ACPI_FAILURE(status) || !found) 222e12e6d94SCorentin Chary return 0; 223e12e6d94SCorentin Chary return -1; 224e12e6d94SCorentin Chary } 225e12e6d94SCorentin Chary 226e12e6d94SCorentin Chary static int eeepc_wmi_probe(struct platform_device *pdev) 227e12e6d94SCorentin Chary { 228e12e6d94SCorentin Chary if (eeepc_wmi_check_atkd()) { 22922441ffeSJoe Perches pr_warn("WMI device present, but legacy ATKD device is also " 23022441ffeSJoe Perches "present and enabled\n"); 23122441ffeSJoe Perches pr_warn("You probably booted with acpi_osi=\"Linux\" or " 23222441ffeSJoe Perches "acpi_osi=\"!Windows 2009\"\n"); 23322441ffeSJoe Perches pr_warn("Can't load eeepc-wmi, use default acpi_osi " 23422441ffeSJoe Perches "(preferred) or eeepc-laptop\n"); 235e12e6d94SCorentin Chary return -EBUSY; 236e12e6d94SCorentin Chary } 237e12e6d94SCorentin Chary return 0; 238e12e6d94SCorentin Chary } 239e12e6d94SCorentin Chary 240e12e6d94SCorentin Chary static void eeepc_wmi_quirks(struct asus_wmi_driver *driver) 241e12e6d94SCorentin Chary { 242c55d995dSCorentin Chary quirks = &quirk_asus_unknown; 243c55d995dSCorentin Chary quirks->hotplug_wireless = hotplug_wireless; 244c55d995dSCorentin Chary 245c87992d1SAceLan Kao dmi_check_system(asus_quirks); 246c55d995dSCorentin Chary 247c87992d1SAceLan Kao driver->quirks = quirks; 248c55d995dSCorentin Chary driver->quirks->wapf = -1; 249c55d995dSCorentin Chary driver->panel_power = FB_BLANK_UNBLANK; 250e12e6d94SCorentin Chary } 251e12e6d94SCorentin Chary 252e12e6d94SCorentin Chary static struct asus_wmi_driver asus_wmi_driver = { 253e12e6d94SCorentin Chary .name = EEEPC_WMI_FILE, 254e12e6d94SCorentin Chary .owner = THIS_MODULE, 255e12e6d94SCorentin Chary .event_guid = EEEPC_WMI_EVENT_GUID, 256e12e6d94SCorentin Chary .keymap = eeepc_wmi_keymap, 257e12e6d94SCorentin Chary .input_name = "Eee PC WMI hotkeys", 258e12e6d94SCorentin Chary .input_phys = EEEPC_WMI_FILE "/input0", 2596ae8b807SSeth Forshee .key_filter = eeepc_wmi_key_filter, 260e12e6d94SCorentin Chary .probe = eeepc_wmi_probe, 261c87992d1SAceLan Kao .detect_quirks = eeepc_wmi_quirks, 262e12e6d94SCorentin Chary }; 263e12e6d94SCorentin Chary 264e12e6d94SCorentin Chary 265e12e6d94SCorentin Chary static int __init eeepc_wmi_init(void) 266e12e6d94SCorentin Chary { 267e12e6d94SCorentin Chary return asus_wmi_register_driver(&asus_wmi_driver); 268e12e6d94SCorentin Chary } 269e12e6d94SCorentin Chary 270e12e6d94SCorentin Chary static void __exit eeepc_wmi_exit(void) 271e12e6d94SCorentin Chary { 272e12e6d94SCorentin Chary asus_wmi_unregister_driver(&asus_wmi_driver); 273e12e6d94SCorentin Chary } 274e12e6d94SCorentin Chary 275e12e6d94SCorentin Chary module_init(eeepc_wmi_init); 276e12e6d94SCorentin Chary module_exit(eeepc_wmi_exit); 277