drivers/platform/x86/asus-wmi.h

   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         bool ignore_key_wlan;
  44         enum asus_wmi_tablet_switch_mode tablet_switch_mode;
  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         u32 xusb2pr;
  54 };
  55
  56 struct asus_wmi_driver {
  57         int                     brightness;
  58         int                     panel_power;
  59         int                     screenpad_brightness;
  60         int                     wlan_ctrl_by_user;
  61
  62         const char              *name;
  63         struct module           *owner;
  64
  65         const char              *event_guid;
  66
  67         const struct key_entry  *keymap;
  68         const char              *input_name;
  69         const char              *input_phys;
  70         struct quirk_entry      *quirks;
  71         /* Returns new code, value, and autorelease values in arguments.
  72          * Return ASUS_WMI_KEY_IGNORE in code if event should be ignored. */
  73         void (*key_filter) (struct asus_wmi_driver *driver, int *code,
  74                             unsigned int *value, bool *autorelease);
  75         /* Optional standard i8042 filter */
  76         bool (*i8042_filter)(unsigned char data, unsigned char str,
  77                              struct serio *serio);
  78
  79         int (*probe) (struct platform_device *device);
  80         void (*detect_quirks) (struct asus_wmi_driver *driver);
  81
  82         struct platform_driver  platform_driver;
  83         struct platform_device *platform_device;
  84 };
  85
  86 int asus_wmi_register_driver(struct asus_wmi_driver *driver);
  87 void asus_wmi_unregister_driver(struct asus_wmi_driver *driver);
  88
  89 #endif /* !_ASUS_WMI_H_ */