haiku/headers/private/wmi/wmi.h
Jérôme Duval 1baf45b64b wmi: add ACPI WMI implementation
add a WMI Asus driver, to control keyboard backlight brightness.

Change-Id: Ib86f70b4a407178b0a1f532269387a55915cc460
Reviewed-on: https://review.haiku-os.org/c/haiku/+/2485
Reviewed-by: Fredrik Holmqvist <fredrik.holmqvist@gmail.com>
Reviewed-by: Adrien Destugues <pulkomandy@gmail.com>
2020-04-20 14:56:59 +00:00

44 lines
1.0 KiB
C

/*
* Copyright 2020, Haiku, Inc. All Rights Reserved.
* Distributed under the terms of the MIT License.
*/
#ifndef _WMI_H_
#define _WMI_H_
#include <ACPI.h>
#include <device_manager.h>
#include <KernelExport.h>
// Device node
// guid (string)
#define WMI_GUID_STRING_ITEM "wmi/guid_string"
// node type
#define WMI_DEVICE_TYPE_NAME "wmi/device/v1"
// device cookie, issued by wmi bus manager
typedef void* wmi_device;
// bus manager device interface for peripheral driver
typedef struct {
driver_module_info info;
status_t (*evaluate_method)(wmi_device device, uint8 instance,
uint32 methodId, const acpi_data* in, acpi_data* out);
status_t (*install_event_handler)(wmi_device device,
const char* guidString, acpi_notify_handler handler, void* context);
status_t (*remove_event_handler)(wmi_device device,
const char* guidString);
status_t (*get_event_data)(wmi_device device, uint32 notify,
acpi_data* out);
const char* (*get_uid)(wmi_device device);
} wmi_device_interface;
#endif /* _WMI_H_ */