LXR linux/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
  24struct module;
  25struct key_entry;
  26struct asus_wmi;
  27
  28struct 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
  50struct 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
  76int asus_wmi_register_driver(struct asus_wmi_driver *driver);
  77void asus_wmi_unregister_driver(struct asus_wmi_driver *driver);
  78
  79#endif /* !_ASUS_WMI_H_ */
  80