diff --git a/include/pcmcia/cs_types.h b/include/pcmcia/cs_types.h
new file mode 100644
index 0000000..7881d40
--- /dev/null
+++ b/include/pcmcia/cs_types.h
@@ -0,0 +1,52 @@
+/*
+ * cs_types.h
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 as
+ * published by the Free Software Foundation.
+ *
+ * The initial developer of the original code is David A. Hinds
+ * <dahinds@users.sourceforge.net>.  Portions created by David A. Hinds
+ * are Copyright (C) 1999 David A. Hinds.  All Rights Reserved.
+ *
+ * (C) 1999             David A. Hinds
+ */
+
+#ifndef _LINUX_CS_TYPES_H
+#define _LINUX_CS_TYPES_H
+
+#ifdef __KERNEL__
+#include <linux/types.h>
+#else
+#include <sys/types.h>
+#endif
+
+#if defined(__arm__) || defined(__mips__)
+/* This (ioaddr_t) is exposed to userspace & hence cannot be changed. */
+typedef u_int   ioaddr_t;
+#else
+typedef u_short	ioaddr_t;
+#endif
+typedef unsigned long kio_addr_t;
+
+typedef u_short	socket_t;
+typedef u_int	event_t;
+typedef u_char	cisdata_t;
+typedef u_short	page_t;
+
+struct client_t;
+typedef struct client_t *client_handle_t;
+
+struct window_t;
+typedef struct window_t *window_handle_t;
+
+struct region_t;
+typedef struct region_t *memory_handle_t;
+
+#ifndef DEV_NAME_LEN
+#define DEV_NAME_LEN 32
+#endif
+
+typedef char dev_info_t[DEV_NAME_LEN];
+
+#endif /* _LINUX_CS_TYPES_H */