diff --git a/drivers/pcmcia/vrc4173_cardu.h b/drivers/pcmcia/vrc4173_cardu.h
new file mode 100644
index 0000000..113726f
--- /dev/null
+++ b/drivers/pcmcia/vrc4173_cardu.h
@@ -0,0 +1,247 @@
+/*
+ * FILE NAME
+ *	drivers/pcmcia/vrc4173_cardu.h
+ *
+ * BRIEF MODULE DESCRIPTION
+ *	Include file for NEC VRC4173 CARDU.
+ *
+ * Copyright 2002 Yoichi Yuasa <yuasa@hh.iij4u.or.jp>
+ *
+ *  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.
+ *
+ *  THIS SOFTWARE IS PROVIDED ``AS IS'' AND ANY EXPRESS OR IMPLIED
+ *  WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
+ *  MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
+ *  IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
+ *  INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING,
+ *  BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS
+ *  OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND
+ *  ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR
+ *  TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE
+ *  USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
+ *
+ *  You should have received a copy of the GNU General Public License along
+ *  with this program; if not, write to the Free Software Foundation, Inc.,
+ *  675 Mass Ave, Cambridge, MA 02139, USA.
+ */
+#ifndef _VRC4173_CARDU_H
+#define _VRC4173_CARDU_H
+
+#include <linux/pci.h>
+
+#include <pcmcia/ss.h>
+
+#define CARDU_MAX_SOCKETS	2
+#define CARDU1			0
+#define CARDU2			1
+
+/*
+ * PCI Configuration Registers
+ */
+#define BRGCNT			0x3e
+ #define POST_WR_EN		0x0400
+ #define MEM1_PREF_EN		0x0200
+ #define MEM0_PREF_EN		0x0100
+ #define IREQ_INT		0x0080
+ #define CARD_RST		0x0040
+ #define MABORT_MODE		0x0020
+ #define VGA_EN			0x0008
+ #define ISA_EN			0x0004
+ #define SERR_EN		0x0002
+ #define PERR_EN		0x0001
+
+#define SYSCNT			0x80
+ #define BAD_VCC_REQ_DISB	0x00200000
+ #define PCPCI_EN		0x00080000
+ #define CH_ASSIGN_MASK		0x00070000
+ #define CH_ASSIGN_NODMA	0x00040000
+ #define SUB_ID_WR_EN		0x00000008
+ #define ASYN_INT_MODE		0x00000004
+ #define PCI_CLK_RIN		0x00000002
+
+#define DEVCNT			0x91
+ #define ZOOM_VIDEO_EN		0x40
+ #define SR_PCI_INT_SEL_MASK	0x18
+ #define SR_PCI_INT_SEL_NONE	0x00
+ #define PCI_INT_MODE		0x04
+ #define IRQ_MODE		0x02
+ #define IFG			0x01
+
+#define CHIPCNT			0x9c
+ #define S_PREF_DISB		0x10
+
+#define SERRDIS			0x9f
+ #define SERR_DIS_MAB		0x10
+ #define SERR_DIS_TAB		0x08
+ #define SERR_DIS_DT_PERR	0x04
+
+/*
+ * ExCA Registers
+ */
+#define EXCA_REGS_BASE		0x800
+#define EXCA_REGS_SIZE		0x800
+
+#define ID_REV			0x000
+ #define IF_TYPE_16BIT		0x80
+
+#define IF_STATUS		0x001
+ #define CARD_PWR		0x40
+ #define READY			0x20
+ #define CARD_WP		0x10
+ #define CARD_DETECT2		0x08
+ #define CARD_DETECT1		0x04
+ #define BV_DETECT_MASK		0x03
+ #define BV_DETECT_GOOD		0x03	/* Memory card */
+ #define BV_DETECT_WARN		0x02
+ #define BV_DETECT_BAD1		0x01
+ #define BV_DETECT_BAD0		0x00
+ #define STSCHG			0x02	/* I/O card */
+ #define SPKR			0x01
+
+#define PWR_CNT			0x002
+ #define CARD_OUT_EN		0x80
+ #define VCC_MASK		0x18
+ #define VCC_3V			0x18
+ #define VCC_5V			0x10
+ #define VCC_0V			0x00
+ #define VPP_MASK		0x03
+ #define VPP_12V		0x02
+ #define VPP_VCC		0x01
+ #define VPP_0V			0x00
+
+#define INT_GEN_CNT		0x003
+ #define CARD_REST0		0x40
+ #define CARD_TYPE_MASK		0x20
+ #define CARD_TYPE_IO		0x20
+ #define CARD_TYPE_MEM		0x00
+
+#define CARD_SC			0x004
+ #define CARD_DT_CHG		0x08
+ #define RDY_CHG		0x04
+ #define BAT_WAR_CHG		0x02
+ #define BAT_DEAD_ST_CHG	0x01
+
+#define CARD_SCI		0x005
+ #define CARD_DT_EN		0x08
+ #define RDY_EN			0x04
+ #define BAT_WAR_EN		0x02
+ #define BAT_DEAD_EN		0x01
+
+#define ADR_WIN_EN		0x006
+ #define IO_WIN_EN(x)		(0x40 << (x))
+ #define MEM_WIN_EN(x)		(0x01 << (x))
+
+#define IO_WIN_CNT		0x007
+ #define IO_WIN_CNT_MASK(x)	(0x03 << ((x) << 2))
+ #define IO_WIN_DATA_AUTOSZ(x)	(0x02 << ((x) << 2))
+ #define IO_WIN_DATA_16BIT(x)	(0x01 << ((x) << 2))
+
+#define IO_WIN_SA(x)		(0x008 + ((x) << 2))
+#define IO_WIN_EA(x)		(0x00a + ((x) << 2))
+
+#define MEM_WIN_SA(x)		(0x010 + ((x) << 3))
+ #define MEM_WIN_DSIZE		0x8000
+
+#define MEM_WIN_EA(x)		(0x012 + ((x) << 3))
+
+#define MEM_WIN_OA(x)		(0x014 + ((x) << 3))
+ #define MEM_WIN_WP		0x8000
+ #define MEM_WIN_REGSET		0x4000
+
+#define GEN_CNT			0x016
+ #define VS2_STATUS		0x80
+ #define VS1_STATUS		0x40
+ #define EXCA_REG_RST_EN	0x02
+
+#define GLO_CNT			0x01e
+ #define FUN_INT_LEV		0x08
+ #define INT_WB_CLR		0x04
+ #define CSC_INT_LEV		0x02
+
+#define IO_WIN_OAL(x)		(0x036 + ((x) << 1))
+#define IO_WIN_OAH(x)		(0x037 + ((x) << 1))
+
+#define MEM_WIN_SAU(x)		(0x040 + (x))
+
+#define IO_SETUP_TIM		0x080
+#define IO_CMD_TIM		0x081
+#define IO_HOLD_TIM		0x082
+#define MEM_SETUP_TIM(x)	(0x084 + ((x) << 2))
+#define MEM_CMD_TIM(x)		(0x085 + ((x) << 2))
+#define MEM_HOLD_TIM(x)		(0x086 + ((x) << 2))
+ #define TIM_CLOCKS(x)		((x) - 1)
+
+#define MEM_TIM_SEL1		0x08c
+#define MEM_TIM_SEL2		0x08d
+ #define MEM_WIN_TIMSEL1(x)	(0x03 << (((x) & 3) << 1))
+
+#define MEM_WIN_PWEN		0x091
+ #define POSTWEN		0x01
+
+/*
+ * CardBus Socket Registers
+ */
+#define CARDBUS_SOCKET_REGS_BASE	0x000
+#define CARDBUS_SOCKET_REGS_SIZE	0x800
+
+#define SKT_EV			0x000
+ #define POW_CYC_EV		0x00000008
+ #define CCD2_EV		0x00000004
+ #define CCD1_EV		0x00000002
+ #define CSTSCHG_EV		0x00000001
+
+#define SKT_MASK		0x004
+ #define POW_CYC_MASK		0x00000008
+ #define CCD_MASK		0x00000006
+ #define CSC_MASK		0x00000001
+
+#define SKT_PRE_STATE		0x008
+#define SKT_FORCE_EV		0x00c
+ #define VOL_3V_SKT		0x20000000
+ #define VOL_5V_SKT		0x10000000
+ #define CVS_TEST		0x00004000
+ #define VOL_YV_CARD_DT		0x00002000
+ #define VOL_XV_CARD_DT		0x00001000
+ #define VOL_3V_CARD_DT		0x00000800
+ #define VOL_5V_CARD_DT		0x00000400
+ #define BAD_VCC_REQ		0x00000200
+ #define DATA_LOST		0x00000100
+ #define NOT_A_CARD		0x00000080
+ #define CREADY			0x00000040
+ #define CB_CARD_DT		0x00000020
+ #define R2_CARD_DT		0x00000010
+ #define POW_UP			0x00000008
+ #define CCD20			0x00000004
+ #define CCD10			0x00000002
+ #define CSTSCHG		0x00000001
+
+#define SKT_CNT			0x010
+ #define STP_CLK_EN		0x00000080
+ #define VCC_CNT_MASK		0x00000070
+ #define VCC_CNT_3V		0x00000030
+ #define VCC_CNT_5V		0x00000020
+ #define VCC_CNT_0V		0x00000000
+ #define VPP_CNT_MASK		0x00000007
+ #define VPP_CNT_3V		0x00000003
+ #define VPP_CNT_5V		0x00000002
+ #define VPP_CNT_12V		0x00000001
+ #define VPP_CNT_0V		0x00000000
+
+typedef struct vrc4173_socket {
+	int noprobe;
+	struct pci_dev *dev;
+	void *base;
+	void (*handler)(void *, unsigned int);
+	void *info;
+	socket_cap_t cap;
+	spinlock_t event_lock;
+	uint16_t events;
+	struct socket_info_t *pcmcia_socket;
+	struct work_struct tq_work;
+	char name[20];
+} vrc4173_socket_t;
+
+#endif /* _VRC4173_CARDU_H */