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 <[email protected]> Reviewed-by: Adrien Destugues <[email protected]>
2020-04-20 14:56:59 +00:00
parent 526752bc02
commit 1baf45b64b
7 changed files with 1155 additions and 0 deletions
@@ -0,0 +1,43 @@
+/*
+ * 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_ */