diff --git a/include/linux/cyclomx.h b/include/linux/cyclomx.h
new file mode 100644
index 0000000..04fa7df
--- /dev/null
+++ b/include/linux/cyclomx.h
@@ -0,0 +1,80 @@
+#ifndef	_CYCLOMX_H
+#define	_CYCLOMX_H
+/*
+* cyclomx.h	Cyclom 2X WAN Link Driver.
+*		User-level API definitions.
+*
+* Author:	Arnaldo Carvalho de Melo <acme@conectiva.com.br>
+*
+* Copyright:	(c) 1998-2003 Arnaldo Carvalho de Melo
+*
+* Based on wanpipe.h by Gene Kozin <genek@compuserve.com>
+*
+*		This program 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.
+* ============================================================================
+* 2000/07/13    acme		remove crap #if KERNEL_VERSION > blah
+* 2000/01/21    acme            rename cyclomx_open to cyclomx_mod_inc_use_count
+*                               and cyclomx_close to cyclomx_mod_dec_use_count
+* 1999/05/19	acme		wait_queue_head_t wait_stats(support for 2.3.*)
+* 1999/01/03	acme		judicious use of data types
+* 1998/12/27	acme		cleanup: PACKED not needed
+* 1998/08/08	acme		Version 0.0.1
+*/
+
+#include <linux/config.h>
+#include <linux/wanrouter.h>
+#include <linux/spinlock.h>
+
+#ifdef	__KERNEL__
+/* Kernel Interface */
+
+#include <linux/cycx_drv.h>	/* Cyclom 2X support module API definitions */
+#include <linux/cycx_cfm.h>	/* Cyclom 2X firmware module definitions */
+#ifdef CONFIG_CYCLOMX_X25
+#include <linux/cycx_x25.h>
+#endif
+
+#define	is_digit(ch) (((ch)>=(unsigned)'0'&&(ch)<=(unsigned)'9')?1:0)
+
+/* Adapter Data Space.
+ * This structure is needed because we handle multiple cards, otherwise
+ * static data would do it.
+ */
+struct cycx_device {
+	char devname[WAN_DRVNAME_SZ + 1];/* card name */
+	struct cycx_hw hw;		/* hardware configuration */
+	struct wan_device wandev;	/* WAN device data space */
+	u32 state_tick;			/* link state timestamp */
+	spinlock_t lock;
+	char in_isr;			/* interrupt-in-service flag */
+	char buff_int_mode_unbusy;      /* flag for carrying out dev_tint */
+	wait_queue_head_t wait_stats;  /* to wait for the STATS indication */
+	void __iomem *mbox;			/* -> mailbox */
+	void (*isr)(struct cycx_device* card);	/* interrupt service routine */
+	int (*exec)(struct cycx_device* card, void* u_cmd, void* u_data);
+	union {
+#ifdef CONFIG_CYCLOMX_X25
+		struct { /* X.25 specific data */
+			u32 lo_pvc;
+			u32 hi_pvc;
+			u32 lo_svc;
+			u32 hi_svc;
+			struct cycx_x25_stats stats;
+			spinlock_t lock;
+			u32 connection_keys;
+		} x;
+#endif
+	} u;
+};
+
+/* Public Functions */
+void cycx_set_state(struct cycx_device *card, int state);
+
+#ifdef CONFIG_CYCLOMX_X25
+int cycx_x25_wan_init(struct cycx_device *card, wandev_conf_t *conf);
+#endif
+#endif	/* __KERNEL__ */
+#endif	/* _CYCLOMX_H */