11a59d1b8SThomas Gleixner // SPDX-License-Identifier: GPL-2.0-or-later 2e12e6d94SCorentin Chary /* 3e12e6d94SCorentin Chary * Eee PC WMI hotkey driver 4e12e6d94SCorentin Chary * 5e12e6d94SCorentin Chary * Copyright(C) 2010 Intel Corporation. 657ab7daeSCorentin Chary * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com> 7e12e6d94SCorentin Chary * 8e12e6d94SCorentin Chary * Portions based on wistron_btns.c: 9e12e6d94SCorentin Chary * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz> 10e12e6d94SCorentin Chary * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org> 11e12e6d94SCorentin Chary * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru> 12e12e6d94SCorentin Chary */ 13e12e6d94SCorentin Chary 14e12e6d94SCorentin Chary #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt 15e12e6d94SCorentin Chary 16e12e6d94SCorentin Chary #include <linux/kernel.h> 17e12e6d94SCorentin Chary #include <linux/module.h> 18e12e6d94SCorentin Chary #include <linux/init.h> 19e12e6d94SCorentin Chary #include <linux/input.h> 20e12e6d94SCorentin Chary #include <linux/input/sparse-keymap.h> 21e12e6d94SCorentin Chary #include <linux/dmi.h> 226e0044beSAceLan Kao #include <linux/fb.h> 238b48463fSLv Zheng #include <linux/acpi.h> 24e12e6d94SCorentin Chary 25e12e6d94SCorentin Chary #include "asus-wmi.h" 26e12e6d94SCorentin Chary 27e12e6d94SCorentin Chary #define EEEPC_WMI_FILE "eeepc-wmi" 28e12e6d94SCorentin Chary 295909c654SCorentin Chary MODULE_AUTHOR("Corentin Chary <corentin.chary@gmail.com>"); 30e12e6d94SCorentin Chary MODULE_DESCRIPTION("Eee PC WMI Hotkey Driver"); 31e12e6d94SCorentin Chary MODULE_LICENSE("GPL"); 32e12e6d94SCorentin Chary 33e12e6d94SCorentin Chary #define EEEPC_ACPI_HID "ASUS010" /* old _HID used in eeepc-laptop */ 34e12e6d94SCorentin Chary 35e12e6d94SCorentin Chary #define EEEPC_WMI_EVENT_GUID "ABBC0F72-8EA1-11D1-00A0-C90629100000" 36e12e6d94SCorentin Chary 37e12e6d94SCorentin Chary MODULE_ALIAS("wmi:"EEEPC_WMI_EVENT_GUID); 38e12e6d94SCorentin Chary 39e12e6d94SCorentin Chary static bool hotplug_wireless; 40e12e6d94SCorentin Chary 41e12e6d94SCorentin Chary module_param(hotplug_wireless, bool, 0444); 42e12e6d94SCorentin Chary MODULE_PARM_DESC(hotplug_wireless, 43e12e6d94SCorentin Chary "Enable hotplug for wireless device. " 44e12e6d94SCorentin Chary "If your laptop needs that, please report to " 45e12e6d94SCorentin Chary "acpi4asus-user@lists.sourceforge.net."); 46e12e6d94SCorentin Chary 476ae8b807SSeth Forshee /* Values for T101MT "Home" key */ 486ae8b807SSeth Forshee #define HOME_PRESS 0xe4 496ae8b807SSeth Forshee #define HOME_HOLD 0xea 506ae8b807SSeth Forshee #define HOME_RELEASE 0xe5 516ae8b807SSeth Forshee 52e12e6d94SCorentin Chary static const struct key_entry eeepc_wmi_keymap[] = { 533ba0302bSCorentin Chary { KE_KEY, ASUS_WMI_BRN_DOWN, { KEY_BRIGHTNESSDOWN } }, 543ba0302bSCorentin Chary { KE_KEY, ASUS_WMI_BRN_UP, { KEY_BRIGHTNESSUP } }, 55e12e6d94SCorentin Chary /* Sleep already handled via generic ACPI code */ 56e12e6d94SCorentin Chary { KE_KEY, 0x30, { KEY_VOLUMEUP } }, 57e12e6d94SCorentin Chary { KE_KEY, 0x31, { KEY_VOLUMEDOWN } }, 58e12e6d94SCorentin Chary { KE_KEY, 0x32, { KEY_MUTE } }, 59e12e6d94SCorentin Chary { KE_KEY, 0x5c, { KEY_F15 } }, /* Power Gear key */ 60e12e6d94SCorentin Chary { KE_KEY, 0x5d, { KEY_WLAN } }, 613b3e73f7SKeng-Yu Lin { KE_KEY, 0x6b, { KEY_TOUCHPAD_TOGGLE } }, /* Toggle Touchpad */ 62e12e6d94SCorentin Chary { KE_KEY, 0x82, { KEY_CAMERA } }, 635f854009SCorentin Chary { KE_KEY, 0x83, { KEY_CAMERA_ZOOMIN } }, 64e12e6d94SCorentin Chary { KE_KEY, 0x88, { KEY_WLAN } }, 6594814725SCorentin Chary { KE_KEY, 0xbd, { KEY_CAMERA } }, 66e12e6d94SCorentin Chary { KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } }, 67e12e6d94SCorentin Chary { KE_KEY, 0xe0, { KEY_PROG1 } }, /* Task Manager */ 68e12e6d94SCorentin Chary { KE_KEY, 0xe1, { KEY_F14 } }, /* Change Resolution */ 696ae8b807SSeth Forshee { KE_KEY, HOME_PRESS, { KEY_CONFIG } }, /* Home/Express gate key */ 7094814725SCorentin Chary { KE_KEY, 0xe8, { KEY_SCREENLOCK } }, 71272c77d5SAceLan Kao { KE_KEY, 0xe9, { KEY_DISPLAYTOGGLE } }, 725f854009SCorentin Chary { KE_KEY, 0xeb, { KEY_CAMERA_ZOOMOUT } }, 735f854009SCorentin Chary { KE_KEY, 0xec, { KEY_CAMERA_UP } }, 745f854009SCorentin Chary { KE_KEY, 0xed, { KEY_CAMERA_DOWN } }, 755f854009SCorentin Chary { KE_KEY, 0xee, { KEY_CAMERA_LEFT } }, 765f854009SCorentin Chary { KE_KEY, 0xef, { KEY_CAMERA_RIGHT } }, 77eb649a81SChih-Wei Huang { KE_KEY, 0xf3, { KEY_MENU } }, 78eb649a81SChih-Wei Huang { KE_KEY, 0xf5, { KEY_HOMEPAGE } }, 79eb649a81SChih-Wei Huang { KE_KEY, 0xf6, { KEY_ESC } }, 80e12e6d94SCorentin Chary { KE_END, 0}, 81e12e6d94SCorentin Chary }; 82e12e6d94SCorentin Chary 83c87992d1SAceLan Kao static struct quirk_entry quirk_asus_unknown = { 84c87992d1SAceLan Kao }; 85c87992d1SAceLan Kao 86c87992d1SAceLan Kao static struct quirk_entry quirk_asus_1000h = { 87c87992d1SAceLan Kao .hotplug_wireless = true, 88c87992d1SAceLan Kao }; 89c87992d1SAceLan Kao 906e0044beSAceLan Kao static struct quirk_entry quirk_asus_et2012_type1 = { 916e0044beSAceLan Kao .store_backlight_power = true, 926e0044beSAceLan Kao }; 936e0044beSAceLan Kao 94c87992d1SAceLan Kao static struct quirk_entry quirk_asus_et2012_type3 = { 95c87992d1SAceLan Kao .scalar_panel_brightness = true, 966e0044beSAceLan Kao .store_backlight_power = true, 97c87992d1SAceLan Kao }; 98c87992d1SAceLan Kao 99272c77d5SAceLan Kao static struct quirk_entry quirk_asus_x101ch = { 100272c77d5SAceLan Kao /* We need this when ACPI function doesn't do this well */ 101272c77d5SAceLan Kao .wmi_backlight_power = true, 102272c77d5SAceLan Kao }; 103272c77d5SAceLan Kao 104c55d995dSCorentin Chary static struct quirk_entry *quirks; 105c55d995dSCorentin Chary 1067a61d020SCorentin Chary static void et2012_quirks(void) 107c87992d1SAceLan Kao { 108c87992d1SAceLan Kao const struct dmi_device *dev = NULL; 109c87992d1SAceLan Kao char oemstring[30]; 1107a61d020SCorentin Chary 1117a61d020SCorentin Chary while ((dev = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, NULL, dev))) { 112c87992d1SAceLan Kao if (sscanf(dev->name, "AEMS%24c", oemstring) == 1) { 1136e0044beSAceLan Kao if (oemstring[18] == '1') 1146e0044beSAceLan Kao quirks = &quirk_asus_et2012_type1; 1156e0044beSAceLan Kao else if (oemstring[18] == '3') 116c87992d1SAceLan Kao quirks = &quirk_asus_et2012_type3; 117c87992d1SAceLan Kao break; 118c87992d1SAceLan Kao } 119c87992d1SAceLan Kao } 120c87992d1SAceLan Kao } 1217a61d020SCorentin Chary 1227a61d020SCorentin Chary static int dmi_matched(const struct dmi_system_id *dmi) 1237a61d020SCorentin Chary { 1247a61d020SCorentin Chary char *model; 1257a61d020SCorentin Chary 1267a61d020SCorentin Chary quirks = dmi->driver_data; 1277a61d020SCorentin Chary 1287a61d020SCorentin Chary model = (char *)dmi->matches[1].substr; 1297a61d020SCorentin Chary if (unlikely(strncmp(model, "ET2012", 6) == 0)) 1307a61d020SCorentin Chary et2012_quirks(); 1317a61d020SCorentin Chary 132c87992d1SAceLan Kao return 1; 133c87992d1SAceLan Kao } 134c87992d1SAceLan Kao 1357e6c227cSMathias Krause static const struct dmi_system_id asus_quirks[] = { 136c87992d1SAceLan Kao { 137c87992d1SAceLan Kao .callback = dmi_matched, 138c87992d1SAceLan Kao .ident = "ASUSTeK Computer INC. 1000H", 139c87992d1SAceLan Kao .matches = { 140c87992d1SAceLan Kao DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."), 141c87992d1SAceLan Kao DMI_MATCH(DMI_PRODUCT_NAME, "1000H"), 142c87992d1SAceLan Kao }, 143c87992d1SAceLan Kao .driver_data = &quirk_asus_1000h, 144c87992d1SAceLan Kao }, 145c87992d1SAceLan Kao { 146c87992d1SAceLan Kao .callback = dmi_matched, 147c87992d1SAceLan Kao .ident = "ASUSTeK Computer INC. ET2012E/I", 148c87992d1SAceLan Kao .matches = { 149c87992d1SAceLan Kao DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."), 150c87992d1SAceLan Kao DMI_MATCH(DMI_PRODUCT_NAME, "ET2012"), 151c87992d1SAceLan Kao }, 152c87992d1SAceLan Kao .driver_data = &quirk_asus_unknown, 153c87992d1SAceLan Kao }, 154272c77d5SAceLan Kao { 155272c77d5SAceLan Kao .callback = dmi_matched, 156272c77d5SAceLan Kao .ident = "ASUSTeK Computer INC. X101CH", 157272c77d5SAceLan Kao .matches = { 158272c77d5SAceLan Kao DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 159272c77d5SAceLan Kao DMI_MATCH(DMI_PRODUCT_NAME, "X101CH"), 160272c77d5SAceLan Kao }, 161272c77d5SAceLan Kao .driver_data = &quirk_asus_x101ch, 162272c77d5SAceLan Kao }, 163272c77d5SAceLan Kao { 164272c77d5SAceLan Kao .callback = dmi_matched, 165272c77d5SAceLan Kao .ident = "ASUSTeK Computer INC. 1015CX", 166272c77d5SAceLan Kao .matches = { 167272c77d5SAceLan Kao DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK COMPUTER INC."), 168272c77d5SAceLan Kao DMI_MATCH(DMI_PRODUCT_NAME, "1015CX"), 169272c77d5SAceLan Kao }, 170272c77d5SAceLan Kao .driver_data = &quirk_asus_x101ch, 171272c77d5SAceLan Kao }, 172c87992d1SAceLan Kao {}, 173c87992d1SAceLan Kao }; 174c87992d1SAceLan Kao 1756ae8b807SSeth Forshee static void eeepc_wmi_key_filter(struct asus_wmi_driver *asus_wmi, int *code, 1766ae8b807SSeth Forshee unsigned int *value, bool *autorelease) 1776ae8b807SSeth Forshee { 1786ae8b807SSeth Forshee switch (*code) { 1796ae8b807SSeth Forshee case HOME_PRESS: 1806ae8b807SSeth Forshee *value = 1; 1816ae8b807SSeth Forshee *autorelease = 0; 1826ae8b807SSeth Forshee break; 1836ae8b807SSeth Forshee case HOME_HOLD: 1846ae8b807SSeth Forshee *code = ASUS_WMI_KEY_IGNORE; 1856ae8b807SSeth Forshee break; 1866ae8b807SSeth Forshee case HOME_RELEASE: 1876ae8b807SSeth Forshee *code = HOME_PRESS; 1886ae8b807SSeth Forshee *value = 0; 1896ae8b807SSeth Forshee *autorelease = 0; 1906ae8b807SSeth Forshee break; 1916ae8b807SSeth Forshee } 1926ae8b807SSeth Forshee } 1936ae8b807SSeth Forshee 194e12e6d94SCorentin Chary static int eeepc_wmi_probe(struct platform_device *pdev) 195e12e6d94SCorentin Chary { 1969f9de69dSLukas Wunner if (acpi_dev_found(EEEPC_ACPI_HID)) { 1979f9de69dSLukas Wunner pr_warn("Found legacy ATKD device (%s)\n", EEEPC_ACPI_HID); 19822441ffeSJoe Perches pr_warn("WMI device present, but legacy ATKD device is also " 19922441ffeSJoe Perches "present and enabled\n"); 20022441ffeSJoe Perches pr_warn("You probably booted with acpi_osi=\"Linux\" or " 20122441ffeSJoe Perches "acpi_osi=\"!Windows 2009\"\n"); 20222441ffeSJoe Perches pr_warn("Can't load eeepc-wmi, use default acpi_osi " 20322441ffeSJoe Perches "(preferred) or eeepc-laptop\n"); 204e12e6d94SCorentin Chary return -EBUSY; 205e12e6d94SCorentin Chary } 206e12e6d94SCorentin Chary return 0; 207e12e6d94SCorentin Chary } 208e12e6d94SCorentin Chary 209e12e6d94SCorentin Chary static void eeepc_wmi_quirks(struct asus_wmi_driver *driver) 210e12e6d94SCorentin Chary { 211c55d995dSCorentin Chary quirks = &quirk_asus_unknown; 212c55d995dSCorentin Chary quirks->hotplug_wireless = hotplug_wireless; 213c55d995dSCorentin Chary 214c87992d1SAceLan Kao dmi_check_system(asus_quirks); 215c55d995dSCorentin Chary 216c87992d1SAceLan Kao driver->quirks = quirks; 217c55d995dSCorentin Chary driver->quirks->wapf = -1; 218c55d995dSCorentin Chary driver->panel_power = FB_BLANK_UNBLANK; 219e12e6d94SCorentin Chary } 220e12e6d94SCorentin Chary 221e12e6d94SCorentin Chary static struct asus_wmi_driver asus_wmi_driver = { 222e12e6d94SCorentin Chary .name = EEEPC_WMI_FILE, 223e12e6d94SCorentin Chary .owner = THIS_MODULE, 224e12e6d94SCorentin Chary .event_guid = EEEPC_WMI_EVENT_GUID, 225e12e6d94SCorentin Chary .keymap = eeepc_wmi_keymap, 226e12e6d94SCorentin Chary .input_name = "Eee PC WMI hotkeys", 227e12e6d94SCorentin Chary .input_phys = EEEPC_WMI_FILE "/input0", 2286ae8b807SSeth Forshee .key_filter = eeepc_wmi_key_filter, 229e12e6d94SCorentin Chary .probe = eeepc_wmi_probe, 230c87992d1SAceLan Kao .detect_quirks = eeepc_wmi_quirks, 231e12e6d94SCorentin Chary }; 232e12e6d94SCorentin Chary 233e12e6d94SCorentin Chary 234e12e6d94SCorentin Chary static int __init eeepc_wmi_init(void) 235e12e6d94SCorentin Chary { 236e12e6d94SCorentin Chary return asus_wmi_register_driver(&asus_wmi_driver); 237e12e6d94SCorentin Chary } 238e12e6d94SCorentin Chary 239e12e6d94SCorentin Chary static void __exit eeepc_wmi_exit(void) 240e12e6d94SCorentin Chary { 241e12e6d94SCorentin Chary asus_wmi_unregister_driver(&asus_wmi_driver); 242e12e6d94SCorentin Chary } 243e12e6d94SCorentin Chary 244e12e6d94SCorentin Chary module_init(eeepc_wmi_init); 245e12e6d94SCorentin Chary module_exit(eeepc_wmi_exit); 246