1 /* 2 * Asus PC WMI hotkey driver 3 * 4 * Copyright(C) 2010 Intel Corporation. 5 * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com> 6 * 7 * Portions based on wistron_btns.c: 8 * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz> 9 * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org> 10 * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru> 11 * 12 * This program is free software; you can redistribute it and/or modify 13 * it under the terms of the GNU General Public License as published by 14 * the Free Software Foundation; either version 2 of the License, or 15 * (at your option) any later version. 16 * 17 * This program is distributed in the hope that it will be useful, 18 * but WITHOUT ANY WARRANTY; without even the implied warranty of 19 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the 20 * GNU General Public License for more details. 21 * 22 * You should have received a copy of the GNU General Public License 23 * along with this program; if not, write to the Free Software 24 * Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA 25 */ 26 27 #ifndef _ASUS_WMI_H_ 28 #define _ASUS_WMI_H_ 29 30 #include <linux/platform_device.h> 31 32 #define ASUS_WMI_KEY_IGNORE (-1) 33 #define ASUS_WMI_BRN_DOWN 0x20 34 #define ASUS_WMI_BRN_UP 0x2f 35 36 struct module; 37 struct key_entry; 38 struct asus_wmi; 39 40 struct quirk_entry { 41 bool hotplug_wireless; 42 bool scalar_panel_brightness; 43 bool store_backlight_power; 44 bool wmi_backlight_power; 45 int wapf; 46 /* 47 * For machines with AMD graphic chips, it will send out WMI event 48 * and ACPI interrupt at the same time while hitting the hotkey. 49 * To simplify the problem, we just have to ignore the WMI event, 50 * and let the ACPI interrupt to send out the key event. 51 */ 52 int no_display_toggle; 53 }; 54 55 struct asus_wmi_driver { 56 int brightness; 57 int panel_power; 58 int wlan_ctrl_by_user; 59 60 const char *name; 61 struct module *owner; 62 63 const char *event_guid; 64 65 const struct key_entry *keymap; 66 const char *input_name; 67 const char *input_phys; 68 struct quirk_entry *quirks; 69 /* Returns new code, value, and autorelease values in arguments. 70 * Return ASUS_WMI_KEY_IGNORE in code if event should be ignored. */ 71 void (*key_filter) (struct asus_wmi_driver *driver, int *code, 72 unsigned int *value, bool *autorelease); 73 74 int (*probe) (struct platform_device *device); 75 void (*detect_quirks) (struct asus_wmi_driver *driver); 76 77 struct platform_driver platform_driver; 78 struct platform_device *platform_device; 79 }; 80 81 int asus_wmi_register_driver(struct asus_wmi_driver *driver); 82 void asus_wmi_unregister_driver(struct asus_wmi_driver *driver); 83 84 #endif /* !_ASUS_WMI_H_ */ 85