linux-imx

// SPDX-License-Identifier: GPL-2.0-or-later

/*

 * MSI WMI hotkeys

 *

 * Copyright (C) 2009 Novell <trenn@suse.de>

 *

 * Most stuff taken over from hp-wmi

 */

​

#define pr_fmt(fmt) KBUILD_MODNAME ": " fmt

​

#include <linux/kernel.h>

#include <linux/input.h>

#include <linux/input/sparse-keymap.h>

#include <linux/acpi.h>

#include <linux/backlight.h>

#include <linux/slab.h>

#include <linux/module.h>

#include <acpi/video.h>

​

MODULE_AUTHOR("Thomas Renninger <trenn@suse.de>");

MODULE_DESCRIPTION("MSI laptop WMI hotkeys driver");

MODULE_LICENSE("GPL");

​

#define DRV_NAME "msi-wmi"

​

#define MSIWMI_BIOS_GUID "551A1F84-FBDD-4125-91DB-3EA8F44F1D45"

#define MSIWMI_MSI_EVENT_GUID "B6F3EEF2-3D2F-49DC-9DE3-85BCE18C62F2"

#define MSIWMI_WIND_EVENT_GUID "5B3CC38A-40D9-7245-8AE6-1145B751BE3F"

​

MODULE_ALIAS("wmi:" MSIWMI_BIOS_GUID);

MODULE_ALIAS("wmi:" MSIWMI_MSI_EVENT_GUID);

MODULE_ALIAS("wmi:" MSIWMI_WIND_EVENT_GUID);

​

enum msi_scancodes {

    /* Generic MSI keys (not present on MSI Wind) */

    MSI_KEY_BRIGHTNESSUP    = 0xD0,

    MSI_KEY_BRIGHTNESSDOWN,

    MSI_KEY_VOLUMEUP,

    MSI_KEY_VOLUMEDOWN,

    MSI_KEY_MUTE,

    /* MSI Wind keys */

    WIND_KEY_TOUCHPAD   = 0x08, /* Fn+F3 touchpad toggle */

    WIND_KEY_BLUETOOTH  = 0x56, /* Fn+F11 Bluetooth toggle */

    WIND_KEY_CAMERA,        /* Fn+F6 webcam toggle */

    WIND_KEY_WLAN       = 0x5f, /* Fn+F11 Wi-Fi toggle */

    WIND_KEY_TURBO,         /* Fn+F10 turbo mode toggle */

    WIND_KEY_ECO        = 0x69, /* Fn+F10 ECO mode toggle */

};

static struct key_entry msi_wmi_keymap[] = {

    { KE_KEY, MSI_KEY_BRIGHTNESSUP,     {KEY_BRIGHTNESSUP} },

    { KE_KEY, MSI_KEY_BRIGHTNESSDOWN,   {KEY_BRIGHTNESSDOWN} },

    { KE_KEY, MSI_KEY_VOLUMEUP,     {KEY_VOLUMEUP} },

    { KE_KEY, MSI_KEY_VOLUMEDOWN,       {KEY_VOLUMEDOWN} },

    { KE_KEY, MSI_KEY_MUTE,         {KEY_MUTE} },

​

    /* These keys work without WMI. Ignore them to avoid double keycodes */

    { KE_IGNORE, WIND_KEY_TOUCHPAD,     {KEY_TOUCHPAD_TOGGLE} },

    { KE_IGNORE, WIND_KEY_BLUETOOTH,    {KEY_BLUETOOTH} },

    { KE_IGNORE, WIND_KEY_CAMERA,       {KEY_CAMERA} },

    { KE_IGNORE, WIND_KEY_WLAN,     {KEY_WLAN} },

​

    /* These are unknown WMI events found on MSI Wind */