diff --git a/include/linux/isdn/capilli.h b/include/linux/isdn/capilli.h
new file mode 100644
index 0000000..35e9b0f
--- /dev/null
+++ b/include/linux/isdn/capilli.h
@@ -0,0 +1,113 @@
+/* $Id: capilli.h,v 1.1.2.2 2004/01/16 21:09:27 keil Exp $
+ * 
+ * Kernel CAPI 2.0 Driver Interface for Linux
+ * 
+ * Copyright 1999 by Carsten Paeth <calle@calle.de>
+ * 
+ * This software may be used and distributed according to the terms
+ * of the GNU General Public License, incorporated herein by reference.
+ *
+ */
+
+#ifndef __CAPILLI_H__
+#define __CAPILLI_H__
+
+#include <linux/kernel.h>
+#include <linux/list.h>
+#include <linux/capi.h>
+#include <linux/kernelcapi.h>
+
+typedef struct capiloaddatapart {
+	int user;		/* data in userspace ? */
+	int len;
+	unsigned char *data;
+} capiloaddatapart;
+
+typedef struct capiloaddata {
+	capiloaddatapart firmware;
+	capiloaddatapart configuration;
+} capiloaddata;
+
+typedef struct capicardparams {
+	unsigned int port;
+	unsigned irq;
+	int cardtype;
+	int cardnr;
+	unsigned int membase;
+} capicardparams;
+
+struct capi_ctr {
+	/* filled in before calling attach_capi_ctr */
+	struct module *owner;
+	void *driverdata;			/* driver specific */
+	char name[32];				/* name of controller */
+	char *driver_name;			/* name of driver */
+	int (*load_firmware)(struct capi_ctr *, capiloaddata *);
+	void (*reset_ctr)(struct capi_ctr *);
+	void (*register_appl)(struct capi_ctr *, u16 appl,
+			      capi_register_params *);
+	void (*release_appl)(struct capi_ctr *, u16 appl);
+	u16  (*send_message)(struct capi_ctr *, struct sk_buff *skb);
+	
+	char *(*procinfo)(struct capi_ctr *);
+	int (*ctr_read_proc)(char *page, char **start, off_t off,
+			     int count, int *eof, struct capi_ctr *card);
+
+	/* filled in before calling ready callback */
+	u8 manu[CAPI_MANUFACTURER_LEN];		/* CAPI_GET_MANUFACTURER */
+	capi_version version;			/* CAPI_GET_VERSION */
+	capi_profile profile;			/* CAPI_GET_PROFILE */
+	u8 serial[CAPI_SERIAL_LEN];		/* CAPI_GET_SERIAL */
+
+	/* management information for kcapi */
+
+	unsigned long nrecvctlpkt;
+	unsigned long nrecvdatapkt;
+	unsigned long nsentctlpkt;
+	unsigned long nsentdatapkt;
+
+	int cnr;				/* controller number */
+	volatile unsigned short cardstate;	/* controller state */
+	volatile int blocked;			/* output blocked */
+	int traceflag;				/* capi trace */
+
+	struct proc_dir_entry *procent;
+        char procfn[128];
+};
+
+int attach_capi_ctr(struct capi_ctr *);
+int detach_capi_ctr(struct capi_ctr *);
+
+void capi_ctr_ready(struct capi_ctr * card);
+void capi_ctr_reseted(struct capi_ctr * card);
+void capi_ctr_suspend_output(struct capi_ctr * card);
+void capi_ctr_resume_output(struct capi_ctr * card);
+void capi_ctr_handle_message(struct capi_ctr * card, u16 appl, struct sk_buff *skb);
+
+// ---------------------------------------------------------------------------
+// needed for AVM capi drivers
+
+struct capi_driver {
+	char name[32];				/* driver name */
+	char revision[32];
+
+	int (*add_card)(struct capi_driver *driver, capicardparams *data);
+
+	/* management information for kcapi */
+	struct list_head list; 
+};
+
+void register_capi_driver(struct capi_driver *driver);
+void unregister_capi_driver(struct capi_driver *driver);
+
+// ---------------------------------------------------------------------------
+// library functions for use by hardware controller drivers
+
+void capilib_new_ncci(struct list_head *head, u16 applid, u32 ncci, u32 winsize);
+void capilib_free_ncci(struct list_head *head, u16 applid, u32 ncci);
+void capilib_release_appl(struct list_head *head, u16 applid);
+void capilib_release(struct list_head *head);
+void capilib_data_b3_conf(struct list_head *head, u16 applid, u32 ncci, u16 msgid);
+u16  capilib_data_b3_req(struct list_head *head, u16 applid, u32 ncci, u16 msgid);
+
+#endif				/* __CAPILLI_H__ */