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_force_als_set; 35 int wapf; 36 /* 37 * For machines with AMD graphic chips, it will send out WMI event 38 * and ACPI interrupt at the same time while hitting the hotkey. 39 * To simplify the problem, we just have to ignore the WMI event, 40 * and let the ACPI interrupt to send out the key event. 41 */ 42 int no_display_toggle; 43 u32 xusb2pr; 44 45 bool (*i8042_filter)(unsigned char data, unsigned char str, 46 struct serio *serio); 47 }; 48 49 struct asus_wmi_driver { 50 int brightness; 51 int panel_power; 52 int wlan_ctrl_by_user; 53 54 const char *name; 55 struct module *owner; 56 57 const char *event_guid; 58 59 const struct key_entry *keymap; 60 const char *input_name; 61 const char *input_phys; 62 struct quirk_entry *quirks; 63 /* Returns new code, value, and autorelease values in arguments. 64 * Return ASUS_WMI_KEY_IGNORE in code if event should be ignored. */ 65 void (*key_filter) (struct asus_wmi_driver *driver, int *code, 66 unsigned int *value, bool *autorelease); 67 68 int (*probe) (struct platform_device *device); 69 void (*detect_quirks) (struct asus_wmi_driver *driver); 70 71 struct platform_driver platform_driver; 72 struct platform_device *platform_device; 73 }; 74 75 int asus_wmi_register_driver(struct asus_wmi_driver *driver); 76 void asus_wmi_unregister_driver(struct asus_wmi_driver *driver); 77 78 #endif /* !_ASUS_WMI_H_ */ 79