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