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 0x2e 22 #define ASUS_WMI_BRN_UP 0x2f 23 24 struct module; 25 struct key_entry; 26 struct asus_wmi; 27 28 enum asus_wmi_tablet_switch_mode { 29 asus_wmi_no_tablet_switch, 30 asus_wmi_kbd_dock_devid, 31 asus_wmi_lid_flip_devid, 32 asus_wmi_lid_flip_rog_devid, 33 }; 34 35 struct quirk_entry { 36 bool hotplug_wireless; 37 bool scalar_panel_brightness; 38 bool store_backlight_power; 39 bool wmi_backlight_set_devstate; 40 bool wmi_force_als_set; 41 bool wmi_ignore_fan; 42 bool filter_i8042_e1_extended_codes; 43 enum asus_wmi_tablet_switch_mode tablet_switch_mode; 44 int wapf; 45 /* 46 * For machines with AMD graphic chips, it will send out WMI event 47 * and ACPI interrupt at the same time while hitting the hotkey. 48 * To simplify the problem, we just have to ignore the WMI event, 49 * and let the ACPI interrupt to send out the key event. 50 */ 51 int no_display_toggle; 52 u32 xusb2pr; 53 }; 54 55 struct asus_wmi_driver { 56 int brightness; 57 int panel_power; 58 int screenpad_brightness; 59 int wlan_ctrl_by_user; 60 61 const char *name; 62 struct module *owner; 63 64 const char *event_guid; 65 66 const struct key_entry *keymap; 67 const char *input_name; 68 const char *input_phys; 69 struct quirk_entry *quirks; 70 /* Returns new code, value, and autorelease values in arguments. 71 * Return ASUS_WMI_KEY_IGNORE in code if event should be ignored. */ 72 void (*key_filter) (struct asus_wmi_driver *driver, int *code, 73 unsigned int *value, bool *autorelease); 74 /* Optional standard i8042 filter */ 75 bool (*i8042_filter)(unsigned char data, unsigned char str, 76 struct serio *serio); 77 78 int (*probe) (struct platform_device *device); 79 void (*detect_quirks) (struct asus_wmi_driver *driver); 80 81 struct platform_driver platform_driver; 82 struct platform_device *platform_device; 83 }; 84 85 int asus_wmi_register_driver(struct asus_wmi_driver *driver); 86 void asus_wmi_unregister_driver(struct asus_wmi_driver *driver); 87 88 #endif /* !_ASUS_WMI_H_ */ 89