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diff --git a/drivers/staging/meilhaus/me0900_device.h b/drivers/staging/meilhaus/me0900_device.h
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+++ b/drivers/staging/meilhaus/me0900_device.h
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+/**
+ * @file me0900_device.h
+ *
+ * @brief ME-0900 (ME-9x) device class.
+ * @note Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de)
+ * @author Guenter Gebhardt
+ */
+
+/*
+ * Copyright (C) 2007 Meilhaus Electronic GmbH (support@meilhaus.de)
+ *
+ * This file is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License as published by
+ * the Free Software Foundation; either version 2 of the License, or
+ * (at your option) any later version.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program; if not, write to the Free Software
+ * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+
+#ifndef _ME0900_DEVICE_H
+#define _ME0900_DEVICE_H
+
+#include <linux/pci.h>
+#include <linux/spinlock.h>
+
+#include "medevice.h"
+
+#ifdef __KERNEL__
+
+/**
+ * @brief Structure holding ME-0900 (ME-9x) device capabilities.
+ */
+typedef struct me0900_version {
+	uint16_t device_id;
+	unsigned int di_subdevices;
+	unsigned int do_subdevices;
+} me0900_version_t;
+
+/**
+ * @brief Device capabilities.
+ */
+static me0900_version_t me0900_versions[] = {
+	{PCI_DEVICE_ID_MEILHAUS_ME0940, 2, 0},
+	{PCI_DEVICE_ID_MEILHAUS_ME0950, 0, 2},
+	{PCI_DEVICE_ID_MEILHAUS_ME0960, 1, 1},
+	{0},
+};
+
+#define ME0900_DEVICE_VERSIONS (sizeof(me0900_versions) / sizeof(me0900_version_t) - 1)	/**< Returns the number of entries in #me0900_versions. */
+
+/**
+ * @brief Returns the index of the device entry in #me0900_versions.
+ *
+ * @param device_id The PCI device id of the device to query.
+ * @return The index of the device in #me0900_versions.
+ */
+static inline unsigned int me0900_versions_get_device_index(uint16_t device_id)
+{
+	unsigned int i;
+	for (i = 0; i < ME0900_DEVICE_VERSIONS; i++)
+		if (me0900_versions[i].device_id == device_id)
+			break;
+	return i;
+}
+
+/**
+ * @brief The ME-0900 (ME-9x) device class structure.
+ */
+typedef struct me0900_device {
+	me_device_t base;			/**< The Meilhaus device base class. */
+} me0900_device_t;
+
+/**
+ * @brief The ME-9x device class constructor.
+ *
+ * @param pci_device The pci device structure given by the PCI subsystem.
+ *
+ * @return On succes a new ME-0900 (ME-9x) device instance. \n
+ *         NULL on error.
+ */
+me_device_t *me0900_pci_constructor(struct pci_dev *pci_device)
+    __attribute__ ((weak));
+
+#endif
+#endif