diff --git a/drivers/s390/char/sclp_tty.h b/drivers/s390/char/sclp_tty.h
new file mode 100644
index 0000000..0ce2c1f
--- /dev/null
+++ b/drivers/s390/char/sclp_tty.h
@@ -0,0 +1,71 @@
+/*
+ *  drivers/s390/char/sclp_tty.h
+ *    interface to the SCLP-read/write driver
+ *
+ *  S390 version
+ *    Copyright (C) 1999 IBM Deutschland Entwicklung GmbH, IBM Corporation
+ *    Author(s): Martin Peschke <mpeschke@de.ibm.com>
+ *		 Martin Schwidefsky <schwidefsky@de.ibm.com>
+ */
+
+#ifndef __SCLP_TTY_H__
+#define __SCLP_TTY_H__
+
+#include <linux/ioctl.h>
+#include <linux/termios.h>
+#include <linux/tty_driver.h>
+
+/* This is the type of data structures storing sclp ioctl setting. */
+struct sclp_ioctls {
+	unsigned short htab;
+	unsigned char echo;
+	unsigned short columns;
+	unsigned char final_nl;
+	unsigned short max_sccb;
+	unsigned short kmem_sccb;	/* can't be modified at run time */
+	unsigned char tolower;
+	unsigned char delim;
+};
+
+/* must be unique, FIXME: must be added in Documentation/ioctl_number.txt */
+#define SCLP_IOCTL_LETTER 'B'
+
+/* set width of horizontal tabulator */
+#define TIOCSCLPSHTAB	_IOW(SCLP_IOCTL_LETTER, 0, unsigned short)
+/* enable/disable echo of input (independent from line discipline) */
+#define TIOCSCLPSECHO	_IOW(SCLP_IOCTL_LETTER, 1, unsigned char)
+/* set number of colums for output */
+#define TIOCSCLPSCOLS	_IOW(SCLP_IOCTL_LETTER, 2, unsigned short)
+/* enable/disable writing without final new line character */
+#define TIOCSCLPSNL	_IOW(SCLP_IOCTL_LETTER, 4, signed char)
+/* set the maximum buffers size for output, rounded up to next 4kB boundary */
+#define TIOCSCLPSOBUF	_IOW(SCLP_IOCTL_LETTER, 5, unsigned short)
+/* set initial (default) sclp ioctls */
+#define TIOCSCLPSINIT	_IO(SCLP_IOCTL_LETTER, 6)
+/* enable/disable conversion from upper to lower case of input */
+#define TIOCSCLPSCASE	_IOW(SCLP_IOCTL_LETTER, 7, unsigned char)
+/* set special character used for separating upper and lower case, */
+/* 0x00 disables this feature */
+#define TIOCSCLPSDELIM	_IOW(SCLP_IOCTL_LETTER, 9, unsigned char)
+
+/* get width of horizontal tabulator */
+#define TIOCSCLPGHTAB	_IOR(SCLP_IOCTL_LETTER, 10, unsigned short)
+/* Is echo of input enabled ? (independent from line discipline) */
+#define TIOCSCLPGECHO	_IOR(SCLP_IOCTL_LETTER, 11, unsigned char)
+/* get number of colums for output */
+#define TIOCSCLPGCOLS	_IOR(SCLP_IOCTL_LETTER, 12, unsigned short)
+/* Is writing without final new line character enabled ? */
+#define TIOCSCLPGNL	_IOR(SCLP_IOCTL_LETTER, 14, signed char)
+/* get the maximum buffers size for output */
+#define TIOCSCLPGOBUF	_IOR(SCLP_IOCTL_LETTER, 15, unsigned short)
+/* Is conversion from upper to lower case of input enabled ? */
+#define TIOCSCLPGCASE	_IOR(SCLP_IOCTL_LETTER, 17, unsigned char)
+/* get special character used for separating upper and lower case, */
+/* 0x00 disables this feature */
+#define TIOCSCLPGDELIM	_IOR(SCLP_IOCTL_LETTER, 19, unsigned char)
+/* get the number of buffers/pages got from kernel at startup */
+#define TIOCSCLPGKBUF	_IOR(SCLP_IOCTL_LETTER, 20, unsigned short)
+
+extern struct tty_driver *sclp_tty_driver;
+
+#endif	/* __SCLP_TTY_H__ */