mirror of https://github.com/Qortal/Brooklyn
You can not select more than 25 topics
Topics must start with a letter or number, can include dashes ('-') and can be up to 35 characters long.
92 lines
2.5 KiB
92 lines
2.5 KiB
// SPDX-License-Identifier: GPL-2.0 |
|
/* WMI driver for Xiaomi Laptops */ |
|
|
|
#include <linux/acpi.h> |
|
#include <linux/input.h> |
|
#include <linux/module.h> |
|
#include <linux/wmi.h> |
|
|
|
#include <uapi/linux/input-event-codes.h> |
|
|
|
#define XIAOMI_KEY_FN_ESC_0 "A2095CCE-0491-44E7-BA27-F8ED8F88AA86" |
|
#define XIAOMI_KEY_FN_ESC_1 "7BBE8E39-B486-473D-BA13-66F75C5805CD" |
|
#define XIAOMI_KEY_FN_FN "409B028D-F06B-4C7C-8BBB-EE133A6BD87E" |
|
#define XIAOMI_KEY_CAPSLOCK "83FE7607-053A-4644-822A-21532C621FC7" |
|
#define XIAOMI_KEY_FN_F7 "76E9027C-95D0-4180-8692-DA6747DD1C2D" |
|
|
|
#define XIAOMI_DEVICE(guid, key) \ |
|
.guid_string = (guid), \ |
|
.context = &(const unsigned int){key} |
|
|
|
struct xiaomi_wmi { |
|
struct input_dev *input_dev; |
|
unsigned int key_code; |
|
}; |
|
|
|
static int xiaomi_wmi_probe(struct wmi_device *wdev, const void *context) |
|
{ |
|
struct xiaomi_wmi *data; |
|
|
|
if (wdev == NULL || context == NULL) |
|
return -EINVAL; |
|
|
|
data = devm_kzalloc(&wdev->dev, sizeof(struct xiaomi_wmi), GFP_KERNEL); |
|
if (data == NULL) |
|
return -ENOMEM; |
|
dev_set_drvdata(&wdev->dev, data); |
|
|
|
data->input_dev = devm_input_allocate_device(&wdev->dev); |
|
if (data->input_dev == NULL) |
|
return -ENOMEM; |
|
data->input_dev->name = "Xiaomi WMI keys"; |
|
data->input_dev->phys = "wmi/input0"; |
|
|
|
data->key_code = *((const unsigned int *)context); |
|
set_bit(EV_KEY, data->input_dev->evbit); |
|
set_bit(data->key_code, data->input_dev->keybit); |
|
|
|
return input_register_device(data->input_dev); |
|
} |
|
|
|
static void xiaomi_wmi_notify(struct wmi_device *wdev, union acpi_object *dummy) |
|
{ |
|
struct xiaomi_wmi *data; |
|
|
|
if (wdev == NULL) |
|
return; |
|
|
|
data = dev_get_drvdata(&wdev->dev); |
|
if (data == NULL) |
|
return; |
|
|
|
input_report_key(data->input_dev, data->key_code, 1); |
|
input_sync(data->input_dev); |
|
input_report_key(data->input_dev, data->key_code, 0); |
|
input_sync(data->input_dev); |
|
} |
|
|
|
static const struct wmi_device_id xiaomi_wmi_id_table[] = { |
|
// { XIAOMI_DEVICE(XIAOMI_KEY_FN_ESC_0, KEY_FN_ESC) }, |
|
// { XIAOMI_DEVICE(XIAOMI_KEY_FN_ESC_1, KEY_FN_ESC) }, |
|
{ XIAOMI_DEVICE(XIAOMI_KEY_FN_FN, KEY_PROG1) }, |
|
// { XIAOMI_DEVICE(XIAOMI_KEY_CAPSLOCK, KEY_CAPSLOCK) }, |
|
{ XIAOMI_DEVICE(XIAOMI_KEY_FN_F7, KEY_CUT) }, |
|
|
|
/* Terminating entry */ |
|
{ } |
|
}; |
|
|
|
static struct wmi_driver xiaomi_wmi_driver = { |
|
.driver = { |
|
.name = "xiaomi-wmi", |
|
}, |
|
.id_table = xiaomi_wmi_id_table, |
|
.probe = xiaomi_wmi_probe, |
|
.notify = xiaomi_wmi_notify, |
|
}; |
|
module_wmi_driver(xiaomi_wmi_driver); |
|
|
|
MODULE_DEVICE_TABLE(wmi, xiaomi_wmi_id_table); |
|
MODULE_AUTHOR("Mattias Jacobsson"); |
|
MODULE_DESCRIPTION("Xiaomi WMI driver"); |
|
MODULE_LICENSE("GPL v2");
|
|
|