1 /* SPDX-License-Identifier: GPL-2.0-or-later */ 2 /* 3 * Asus PC WMI hotkey driver 4 * 5 * Copyright(C) 2010 Intel Corporation. 6 * Copyright(C) 2010-2011 Corentin Chary <corentin.chary@gmail.com> 7 * 8 * Portions based on wistron_btns.c: 9 * Copyright (C) 2005 Miloslav Trmac <mitr@volny.cz> 10 * Copyright (C) 2005 Bernhard Rosenkraenzer <bero@arklinux.org> 11 * Copyright (C) 2005 Dmitry Torokhov <dtor@mail.ru> 12 */ 13 14 #ifndef _ASUS_WMI_H_ 15 #define _ASUS_WMI_H_ 16 17 #include <linux/platform_device.h> 18 #include <linux/i8042.h> 19 20 #define ASUS_WMI_KEY_IGNORE (-1) 21 #define ASUS_WMI_BRN_DOWN 0x20 22 #define ASUS_WMI_BRN_UP 0x2f 23 24 struct module; 25 struct key_entry; 26 struct asus_wmi; 27 28 struct quirk_entry { 29 bool hotplug_wireless; 30 bool scalar_panel_brightness; 31 bool store_backlight_power; 32 bool wmi_backlight_power; 33 bool wmi_backlight_native; 34 bool wmi_backlight_set_devstate; 35 bool wmi_force_als_set; 36 bool use_kbd_dock_devid; 37 int wapf; 38 /* 39 * For machines with AMD graphic chips, it will send out WMI event 40 * and ACPI interrupt at the same time while hitting the hotkey. 41 * To simplify the problem, we just have to ignore the WMI event, 42 * and let the ACPI interrupt to send out the key event. 43 */ 44 int no_display_toggle; 45 u32 xusb2pr; 46 47 bool (*i8042_filter)(unsigned char data, unsigned char str, 48 struct serio *serio); 49 }; 50 51 struct asus_wmi_driver { 52 int brightness; 53 int panel_power; 54 int wlan_ctrl_by_user; 55 56 const char *name; 57 struct module *owner; 58 59 const char *event_guid; 60 61 const struct key_entry *keymap; 62 const char *input_name; 63 const char *input_phys; 64 struct quirk_entry *quirks; 65 /* Returns new code, value, and autorelease values in arguments. 66 * Return ASUS_WMI_KEY_IGNORE in code if event should be ignored. */ 67 void (*key_filter) (struct asus_wmi_driver *driver, int *code, 68 unsigned int *value, bool *autorelease); 69 70 int (*probe) (struct platform_device *device); 71 void (*detect_quirks) (struct asus_wmi_driver *driver); 72 73 struct platform_driver platform_driver; 74 struct platform_device *platform_device; 75 }; 76 77 int asus_wmi_register_driver(struct asus_wmi_driver *driver); 78 void asus_wmi_unregister_driver(struct asus_wmi_driver *driver); 79 80 #endif /* !_ASUS_WMI_H_ */ 81