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 59e12e6d94SCorentin Chary static const struct key_entry eeepc_wmi_keymap[] = { 60e12e6d94SCorentin Chary /* Sleep already handled via generic ACPI code */ 61e12e6d94SCorentin Chary { KE_KEY, 0x30, { KEY_VOLUMEUP } }, 62e12e6d94SCorentin Chary { KE_KEY, 0x31, { KEY_VOLUMEDOWN } }, 63e12e6d94SCorentin Chary { KE_KEY, 0x32, { KEY_MUTE } }, 64e12e6d94SCorentin Chary { KE_KEY, 0x5c, { KEY_F15 } }, /* Power Gear key */ 65e12e6d94SCorentin Chary { KE_KEY, 0x5d, { KEY_WLAN } }, 663b3e73f7SKeng-Yu Lin { KE_KEY, 0x6b, { KEY_TOUCHPAD_TOGGLE } }, /* Toggle Touchpad */ 67e12e6d94SCorentin Chary { KE_KEY, 0x82, { KEY_CAMERA } }, 685f854009SCorentin Chary { KE_KEY, 0x83, { KEY_CAMERA_ZOOMIN } }, 69e12e6d94SCorentin Chary { KE_KEY, 0x88, { KEY_WLAN } }, 70e12e6d94SCorentin Chary { KE_KEY, 0xcc, { KEY_SWITCHVIDEOMODE } }, 71e12e6d94SCorentin Chary { KE_KEY, 0xe0, { KEY_PROG1 } }, /* Task Manager */ 72e12e6d94SCorentin Chary { KE_KEY, 0xe1, { KEY_F14 } }, /* Change Resolution */ 73e12e6d94SCorentin Chary { KE_KEY, 0xe9, { KEY_BRIGHTNESS_ZERO } }, 745f854009SCorentin Chary { KE_KEY, 0xeb, { KEY_CAMERA_ZOOMOUT } }, 755f854009SCorentin Chary { KE_KEY, 0xec, { KEY_CAMERA_UP } }, 765f854009SCorentin Chary { KE_KEY, 0xed, { KEY_CAMERA_DOWN } }, 775f854009SCorentin Chary { KE_KEY, 0xee, { KEY_CAMERA_LEFT } }, 785f854009SCorentin Chary { KE_KEY, 0xef, { KEY_CAMERA_RIGHT } }, 79e12e6d94SCorentin Chary { KE_END, 0}, 80e12e6d94SCorentin Chary }; 81e12e6d94SCorentin Chary 82e12e6d94SCorentin Chary static acpi_status eeepc_wmi_parse_device(acpi_handle handle, u32 level, 83e12e6d94SCorentin Chary void *context, void **retval) 84e12e6d94SCorentin Chary { 85e12e6d94SCorentin Chary pr_warning("Found legacy ATKD device (%s)", EEEPC_ACPI_HID); 86e12e6d94SCorentin Chary *(bool *)context = true; 87e12e6d94SCorentin Chary return AE_CTRL_TERMINATE; 88e12e6d94SCorentin Chary } 89e12e6d94SCorentin Chary 90e12e6d94SCorentin Chary static int eeepc_wmi_check_atkd(void) 91e12e6d94SCorentin Chary { 92e12e6d94SCorentin Chary acpi_status status; 93e12e6d94SCorentin Chary bool found = false; 94e12e6d94SCorentin Chary 95e12e6d94SCorentin Chary status = acpi_get_devices(EEEPC_ACPI_HID, eeepc_wmi_parse_device, 96e12e6d94SCorentin Chary &found, NULL); 97e12e6d94SCorentin Chary 98e12e6d94SCorentin Chary if (ACPI_FAILURE(status) || !found) 99e12e6d94SCorentin Chary return 0; 100e12e6d94SCorentin Chary return -1; 101e12e6d94SCorentin Chary } 102e12e6d94SCorentin Chary 103e12e6d94SCorentin Chary static int eeepc_wmi_probe(struct platform_device *pdev) 104e12e6d94SCorentin Chary { 105e12e6d94SCorentin Chary if (eeepc_wmi_check_atkd()) { 106e12e6d94SCorentin Chary pr_warning("WMI device present, but legacy ATKD device is also " 107e12e6d94SCorentin Chary "present and enabled."); 108e12e6d94SCorentin Chary pr_warning("You probably booted with acpi_osi=\"Linux\" or " 109e12e6d94SCorentin Chary "acpi_osi=\"!Windows 2009\""); 110e12e6d94SCorentin Chary pr_warning("Can't load eeepc-wmi, use default acpi_osi " 111e12e6d94SCorentin Chary "(preferred) or eeepc-laptop"); 112e12e6d94SCorentin Chary return -EBUSY; 113e12e6d94SCorentin Chary } 114e12e6d94SCorentin Chary return 0; 115e12e6d94SCorentin Chary } 116e12e6d94SCorentin Chary 117e12e6d94SCorentin Chary static void eeepc_dmi_check(struct asus_wmi_driver *driver) 118e12e6d94SCorentin Chary { 119e12e6d94SCorentin Chary const char *model; 120e12e6d94SCorentin Chary 121e12e6d94SCorentin Chary model = dmi_get_system_info(DMI_PRODUCT_NAME); 122e12e6d94SCorentin Chary if (!model) 123e12e6d94SCorentin Chary return; 124e12e6d94SCorentin Chary 125e12e6d94SCorentin Chary /* 126e12e6d94SCorentin Chary * Whitelist for wlan hotplug 127e12e6d94SCorentin Chary * 128e12e6d94SCorentin Chary * Asus 1000H needs the current hotplug code to handle 129e12e6d94SCorentin Chary * Fn+F2 correctly. We may add other Asus here later, but 130e12e6d94SCorentin Chary * it seems that most of the laptops supported by asus-wmi 131e12e6d94SCorentin Chary * don't need to be on this list 132e12e6d94SCorentin Chary */ 133e12e6d94SCorentin Chary if (strcmp(model, "1000H") == 0) { 134e12e6d94SCorentin Chary driver->hotplug_wireless = true; 135e12e6d94SCorentin Chary pr_info("wlan hotplug enabled\n"); 136e12e6d94SCorentin Chary } 137e12e6d94SCorentin Chary } 138e12e6d94SCorentin Chary 139e12e6d94SCorentin Chary static void eeepc_wmi_quirks(struct asus_wmi_driver *driver) 140e12e6d94SCorentin Chary { 141e12e6d94SCorentin Chary driver->hotplug_wireless = hotplug_wireless; 142e12e6d94SCorentin Chary eeepc_dmi_check(driver); 143e12e6d94SCorentin Chary } 144e12e6d94SCorentin Chary 145e12e6d94SCorentin Chary static struct asus_wmi_driver asus_wmi_driver = { 146e12e6d94SCorentin Chary .name = EEEPC_WMI_FILE, 147e12e6d94SCorentin Chary .owner = THIS_MODULE, 148e12e6d94SCorentin Chary .event_guid = EEEPC_WMI_EVENT_GUID, 149e12e6d94SCorentin Chary .keymap = eeepc_wmi_keymap, 150e12e6d94SCorentin Chary .input_name = "Eee PC WMI hotkeys", 151e12e6d94SCorentin Chary .input_phys = EEEPC_WMI_FILE "/input0", 152e12e6d94SCorentin Chary .probe = eeepc_wmi_probe, 153e12e6d94SCorentin Chary .quirks = eeepc_wmi_quirks, 154e12e6d94SCorentin Chary }; 155e12e6d94SCorentin Chary 156e12e6d94SCorentin Chary 157e12e6d94SCorentin Chary static int __init eeepc_wmi_init(void) 158e12e6d94SCorentin Chary { 159e12e6d94SCorentin Chary return asus_wmi_register_driver(&asus_wmi_driver); 160e12e6d94SCorentin Chary } 161e12e6d94SCorentin Chary 162e12e6d94SCorentin Chary static void __exit eeepc_wmi_exit(void) 163e12e6d94SCorentin Chary { 164e12e6d94SCorentin Chary asus_wmi_unregister_driver(&asus_wmi_driver); 165e12e6d94SCorentin Chary } 166e12e6d94SCorentin Chary 167e12e6d94SCorentin Chary module_init(eeepc_wmi_init); 168e12e6d94SCorentin Chary module_exit(eeepc_wmi_exit); 169