/* * Eee PC WMI hotkey driver * * Copyright(C) 2010 Intel Corporation. * Copyright(C) 2010-2011 Corentin Chary * * Portions based on wistron_btns.c: * Copyright (C) 2005 Miloslav Trmac * Copyright (C) 2005 Bernhard Rosenkraenzer * Copyright (C) 2005 Dmitry Torokhov * * This program is free software; you can redistribute it and/or modify * it under the terms of the GNU General Public License as published by * the Free Software Foundation; either version 2 of the License, or * (at your option) any later version. * * This program is distributed in the hope that it will be useful, * but WITHOUT ANY WARRANTY; without even the implied warranty of * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the * GNU General Public License for more details. * * You should have received a copy of the GNU General Public License * along with this program; if not, write to the Free Software * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA */ #define pr_fmt(fmt) KBUILD_MODNAME ": " fmt #include #include #include #include #include #include #include #include #include "asus-wmi.h" #define EEEPC_WMI_FILE "eeepc-wmi" MODULE_AUTHOR("Corentin Chary "); MODULE_DESCRIPTION("Eee PC WMI Hotkey Driver"); MODULE_LICENSE("GPL"); #define EEEPC_ACPI_HID "ASUS010" /* old _HID used in eeepc-laptop */ #define EEEPC_WMI_EVENT_GUID "ABBC0F72-8EA1-11D1-00A0-C90629100000" MODULE_ALIAS("wmi:"EEEPC_WMI_EVENT_GUID); static bool hotplug_wireless; module_param(hotplug_wireless, bool, 0444); MODULE_PARM_DESC(hotplug_wireless, "Enable hotplug for wireless device. " "If your laptop needs that, please report to " "acpi4asus-user@lists.sourceforge.net."); /* Values for T101MT "Home" key */ #define HOME_PRESS 0xe4 #define HOME_HOLD 0xea #define HOME_RELEASE 0xe5 static const struct key_entry eeepc_wmi_keymap[] = { /* Sleep already handled via generic ACPI code */ { KE_KEY, 0x30, { KEY_VOLUMEUP } }, { KE_KEY, 0x31, { KEY_VOLUMEDOWN } }, { KE_KEY, 0x32, { KEY_MUTE } }, { KE_KEY, 0x5c, { KEY_F15 } }, /* Power Gear key */ { KE_KEY, 0x5d, { KEY_WLAN } }, { KE_KEY, 0x6b, { KEY_TOUCHPAD_TOGGLE } }, /* Toggle Touchpad */ { KE_KEY, 0x82, { KEY_CAMERA } }, { KE_KEY, 0x83, { KEY_CAMERA_ZOOMIN } }, { KE_KEY, 0x88, { KEY_WLAN } }, { KE_KEY, 0xbd, { KEY_CAMERA } }, { KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } }, { KE_KEY, 0xe0, { KEY_PROG1 } }, /* Task Manager */ { KE_KEY, 0xe1, { KEY_F14 } }, /* Change Resolution */ { KE_KEY, HOME_PRESS, { KEY_CONFIG } }, /* Home/Express gate key */ { KE_KEY, 0xe8, { KEY_SCREENLOCK } }, { KE_KEY, 0xe9, { KEY_BRIGHTNESS_ZERO } }, { KE_KEY, 0xeb, { KEY_CAMERA_ZOOMOUT } }, { KE_KEY, 0xec, { KEY_CAMERA_UP } }, { KE_KEY, 0xed, { KEY_CAMERA_DOWN } }, { KE_KEY, 0xee, { KEY_CAMERA_LEFT } }, { KE_KEY, 0xef, { KEY_CAMERA_RIGHT } }, { KE_KEY, 0xf3, { KEY_MENU } }, { KE_KEY, 0xf5, { KEY_HOMEPAGE } }, { KE_KEY, 0xf6, { KEY_ESC } }, { KE_END, 0}, }; static struct quirk_entry quirk_asus_unknown = { }; static struct quirk_entry quirk_asus_1000h = { .hotplug_wireless = true, }; static struct quirk_entry quirk_asus_et2012_type1 = { .store_backlight_power = true, }; static struct quirk_entry quirk_asus_et2012_type3 = { .scalar_panel_brightness = true, .store_backlight_power = true, }; static struct quirk_entry *quirks; static int dmi_matched(const struct dmi_system_id *dmi) { char *model; quirks = dmi->driver_data; model = (char *)dmi->matches[1].substr; if (unlikely(strncmp(model, "ET2012", 6) == 0)) { const struct dmi_device *dev = NULL; char oemstring[30]; while ((dev = dmi_find_device(DMI_DEV_TYPE_OEM_STRING, NULL, dev))) { if (sscanf(dev->name, "AEMS%24c", oemstring) == 1) { if (oemstring[18] == '1') quirks = &quirk_asus_et2012_type1; else if (oemstring[18] == '3') quirks = &quirk_asus_et2012_type3; break; } } } return 1; } static struct dmi_system_id asus_quirks[] = { { .callback = dmi_matched, .ident = "ASUSTeK Computer INC. 1000H", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."), DMI_MATCH(DMI_PRODUCT_NAME, "1000H"), }, .driver_data = &quirk_asus_1000h, }, { .callback = dmi_matched, .ident = "ASUSTeK Computer INC. ET2012E/I", .matches = { DMI_MATCH(DMI_SYS_VENDOR, "ASUSTeK Computer INC."), DMI_MATCH(DMI_PRODUCT_NAME, "ET2012"), }, .driver_data = &quirk_asus_unknown, }, {}, }; static void eeepc_wmi_key_filter(struct asus_wmi_driver *asus_wmi, int *code, unsigned int *value, bool *autorelease) { switch (*code) { case HOME_PRESS: *value = 1; *autorelease = 0; break; case HOME_HOLD: *code = ASUS_WMI_KEY_IGNORE; break; case HOME_RELEASE: *code = HOME_PRESS; *value = 0; *autorelease = 0; break; } } static acpi_status eeepc_wmi_parse_device(acpi_handle handle, u32 level, void *context, void **retval) { pr_warn("Found legacy ATKD device (%s)\n", EEEPC_ACPI_HID); *(bool *)context = true; return AE_CTRL_TERMINATE; } static int eeepc_wmi_check_atkd(void) { acpi_status status; bool found = false; status = acpi_get_devices(EEEPC_ACPI_HID, eeepc_wmi_parse_device, &found, NULL); if (ACPI_FAILURE(status) || !found) return 0; return -1; } static int eeepc_wmi_probe(struct platform_device *pdev) { if (eeepc_wmi_check_atkd()) { pr_warn("WMI device present, but legacy ATKD device is also " "present and enabled\n"); pr_warn("You probably booted with acpi_osi=\"Linux\" or " "acpi_osi=\"!Windows 2009\"\n"); pr_warn("Can't load eeepc-wmi, use default acpi_osi " "(preferred) or eeepc-laptop\n"); return -EBUSY; } return 0; } static void eeepc_wmi_quirks(struct asus_wmi_driver *driver) { quirks = &quirk_asus_unknown; quirks->hotplug_wireless = hotplug_wireless; dmi_check_system(asus_quirks); driver->quirks = quirks; driver->quirks->wapf = -1; driver->panel_power = FB_BLANK_UNBLANK; } static struct asus_wmi_driver asus_wmi_driver = { .name = EEEPC_WMI_FILE, .owner = THIS_MODULE, .event_guid = EEEPC_WMI_EVENT_GUID, .keymap = eeepc_wmi_keymap, .input_name = "Eee PC WMI hotkeys", .input_phys = EEEPC_WMI_FILE "/input0", .key_filter = eeepc_wmi_key_filter, .probe = eeepc_wmi_probe, .detect_quirks = eeepc_wmi_quirks, }; static int __init eeepc_wmi_init(void) { return asus_wmi_register_driver(&asus_wmi_driver); } static void __exit eeepc_wmi_exit(void) { asus_wmi_unregister_driver(&asus_wmi_driver); } module_init(eeepc_wmi_init); module_exit(eeepc_wmi_exit);