diff --git a/drivers/isdn/sc/scioc.h b/drivers/isdn/sc/scioc.h
new file mode 100644
index 0000000..d08e650
--- /dev/null
+++ b/drivers/isdn/sc/scioc.h
@@ -0,0 +1,105 @@
+/*
+ * This software may be used and distributed according to the terms
+ * of the GNU General Public License, incorporated herein by reference.
+ */
+
+/*
+ * IOCTL Command Codes
+ */
+#define SCIOCLOAD	0x01	/* Load a firmware record */
+#define SCIOCRESET	0x02	/* Perform hard reset */
+#define SCIOCDEBUG	0x03	/* Set debug level */
+#define SCIOCREV	0x04	/* Get driver revision(s) */
+#define SCIOCSTART	0x05	/* Start the firmware */
+#define SCIOCGETSWITCH	0x06	/* Get switch type */
+#define SCIOCSETSWITCH	0x07	/* Set switch type */
+#define SCIOCGETSPID	0x08	/* Get channel SPID */
+#define SCIOCSETSPID	0x09 	/* Set channel SPID */
+#define SCIOCGETDN	0x0A	/* Get channel DN */
+#define SCIOCSETDN	0x0B 	/* Set channel DN */
+#define SCIOCTRACE	0x0C	/* Toggle trace mode */
+#define SCIOCSTAT	0x0D	/* Get line status */
+#define SCIOCGETSPEED	0x0E	/* Set channel speed */
+#define SCIOCSETSPEED	0x0F	/* Set channel speed */
+#define SCIOCLOOPTST	0x10	/* Perform loopback test */
+
+typedef struct {
+	int device;
+	int channel;
+	unsigned long command;
+	void __user *dataptr;
+} scs_ioctl;
+
+/* Size of strings */
+#define SCIOC_SPIDSIZE		49
+#define SCIOC_DNSIZE		SCIOC_SPIDSIZE
+#define SCIOC_REVSIZE		SCIOC_SPIDSIZE
+#define SCIOC_SRECSIZE		49
+
+typedef struct {
+	unsigned long tx_good;
+	unsigned long tx_bad;
+	unsigned long rx_good;
+	unsigned long rx_bad;
+} ChLinkStats;
+
+typedef struct {
+	char spid[49];
+	char dn[49];
+	char call_type;
+	char phy_stat;
+	ChLinkStats link_stats;
+} BRIStat;
+
+typedef BRIStat POTStat;
+
+typedef struct {
+	char call_type;
+	char call_state;
+	char serv_state;
+	char phy_stat;
+	ChLinkStats link_stats;
+} PRIStat;
+
+typedef char PRIInfo;
+typedef char BRIInfo;
+typedef char POTInfo;
+
+
+typedef struct {
+	char acfa_nos;
+	char acfa_ais;
+	char acfa_los;
+	char acfa_rra;
+	char acfa_slpp;
+	char acfa_slpn;
+	char acfa_fsrf;
+} ACFAStat;
+
+typedef struct {
+	unsigned char modelid;
+	char serial_no[13];
+	char part_no[13];
+	char load_ver[11];
+	char proc_ver[11];
+	int iobase;
+	long rambase;
+	char irq;
+	long ramsize;
+	char interface;
+	char switch_type;
+	char l1_status;
+	char l2_status;
+	ChLinkStats dch_stats;
+	ACFAStat AcfaStats;
+	union {
+		PRIStat pristats[23];
+		BRIStat bristats[2];
+		POTStat potsstats[2];
+	} status;
+	union {
+		PRIInfo priinfo;
+		BRIInfo briinfo;
+		POTInfo potsinfo;
+	} info;
+} boardInfo;