Subject: [PATCH][2.6] Update NEC VRC4171 PCMCIA driver

From: Yoichi Yuasa <[email-masked]>
Date: Sun, 22 Feb 2004 00:29:40 +0900

Hi Ralf,

I updated the patch for VRC4171 PCMCIA driver.

This patch exists for v2.6 of linux-mips.org CVS.
Please apply this patch.

Yoichi

diff -urN -X dontdiff linux-orig/drivers/pcmcia/Kconfig linux/drivers/pcmcia/Kconfig
--- linux-orig/drivers/pcmcia/Kconfig	Tue Feb 10 22:36:21 2004
+++ linux/drivers/pcmcia/Kconfig	Sat Feb 21 16:51:46 2004
@@ -109,6 +109,10 @@
 	bool
 	default y if ISA && !ARCH_SA1100 && !ARCH_CLPS711X
 
+config PCMCIA_VRC4171
+	tristate "NEC VRC4171 Card Controllers support"
+	depends on VRC4171 && PCMCIA
+
 config PCMCIA_VRC4173
 	tristate "NEC VRC4173 CARDU support"
 	depends on CPU_VR41XX && PCI && PCMCIA
diff -urN -X dontdiff linux-orig/drivers/pcmcia/Makefile linux/drivers/pcmcia/Makefile
--- linux-orig/drivers/pcmcia/Makefile	Tue Feb 10 22:36:21 2004
+++ linux/drivers/pcmcia/Makefile	Sat Feb 21 16:51:46 2004
@@ -11,6 +11,7 @@
 obj-$(CONFIG_HD64465_PCMCIA)		+= hd64465_ss.o
 obj-$(CONFIG_PCMCIA_SA1100)		+= sa1100_cs.o
 obj-$(CONFIG_PCMCIA_SA1111)		+= sa1111_cs.o
+obj-$(CONFIG_PCMCIA_VRC4171)		+= vrc4171_card.o
 obj-$(CONFIG_PCMCIA_VRC4173)		+= vrc4173_cardu.o
 obj-$(CONFIG_PCMCIA_AU1X00)		+= au1x00_ss.o
 
diff -urN -X dontdiff linux-orig/drivers/pcmcia/vrc4171_card.c linux/drivers/pcmcia/vrc4171_card.c
--- linux-orig/drivers/pcmcia/vrc4171_card.c	Thu Jan  1 09:00:00 1970
+++ linux/drivers/pcmcia/vrc4171_card.c	Sat Feb 21 16:51:46 2004
@@ -0,0 +1,744 @@
+/*
+ * vrc4171_card.c, NEC VRC4171 Card Controller driver for Socket Services.
+ *
+ * Copyright (C) 2003  Yoichi Yuasa <[email-masked]>
+ *
+ *  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 program is distributed in the hope that it will be useful,
+ *  but WITHOUT ANY WARRANTY; without even the implied warranty of
+ *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+ *  GNU General Public License for more details.
+ *
+ *  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., 59 Temple Place, Suite 330, Boston, MA  02111-1307  USA
+ */
+#include <linux/init.h>
+#include <linux/ioport.h>
+#include <linux/interrupt.h>
+#include <linux/module.h>
+#include <linux/spinlock.h>
+#include <linux/sched.h>
+#include <linux/types.h>
+
+#include <asm/io.h>
+#include <asm/vr41xx/vrc4171.h>
+
+#include <pcmcia/ss.h>
+
+#include "i82365.h"
+
+MODULE_DESCRIPTION("NEC VRC4171 Card Controllers driver for Socket Services");
+MODULE_AUTHOR("Yoichi Yuasa <[email-masked]>");
+MODULE_LICENSE("GPL");
+
+#define CARD_MAX_SLOTS		2
+#define CARD_SLOTA		0
+#define CARD_SLOTB		1
+#define CARD_SLOTB_OFFSET	0x40
+
+#define CARD_MEM_START		0x10000000
+#define CARD_MEM_END		0x13ffffff
+#define CARD_MAX_MEM_OFFSET	0x3ffffff
+#define CARD_MAX_MEM_SPEED	1000
+
+#define CARD_CONTROLLER_INDEX	0x03e0
+#define CARD_CONTROLLER_DATA	0x03e1
+#define CARD_CONTROLLER_SIZE	2
+ /* Power register */
+  #define VPP_GET_VCC		0x01
+  #define POWER_ENABLE		0x10
+ #define CARD_VOLTAGE_SENSE	0x1f
+  #define VCC_3VORXV_CAPABLE	0x00
+  #define VCC_XV_ONLY		0x01
+  #define VCC_3V_CAPABLE	0x02
+  #define VCC_5V_ONLY		0x03
+ #define CARD_VOLTAGE_SELECT	0x2f
+  #define VCC_3V		0x01
+  #define VCC_5V		0x00
+  #define VCC_XV		0x02
+  #define VCC_STATUS_3V		0x02
+  #define VCC_STATUS_5V		0x01
+  #define VCC_STATUS_XV		0x03
+ #define GLOBAL_CONTROL		0x1e
+  #define EXWRBK		0x04
+  #define IRQPM_EN		0x08
+  #define CLRPMIRQ		0x10
+
+#define IO_MAX_MAPS	2
+#define MEM_MAX_MAPS	5
+
+enum {
+	SLOT_PROBE = 0,
+	SLOT_NOPROBE_IO,
+	SLOT_NOPROBE_MEM,
+	SLOT_NOPROBE_ALL
+};
+
+typedef struct vrc4171_socket {
+	int noprobe;
+	struct pcmcia_socket pcmcia_socket;
+	char name[24];
+	int csc_irq;
+	int io_irq;
+} vrc4171_socket_t;
+
+static vrc4171_socket_t vrc4171_sockets[CARD_MAX_SLOTS];
+static int vrc4171_slotb = SLOTB_IS_NONE;
+static unsigned int vrc4171_irq;
+static uint16_t vrc4171_irq_mask = 0xdeb8;
+
+static inline uint8_t exca_read_byte(int slot, uint8_t index)
+{
+	if (slot == CARD_SLOTB)
+		index += CARD_SLOTB_OFFSET;
+
+	outb(index, CARD_CONTROLLER_INDEX);
+	return inb(CARD_CONTROLLER_DATA);
+}
+
+static inline uint16_t exca_read_word(int slot, uint8_t index)
+{
+	uint16_t data;
+
+	if (slot == CARD_SLOTB)
+		index += CARD_SLOTB_OFFSET;
+
+	outb(index++, CARD_CONTROLLER_INDEX);
+	data = inb(CARD_CONTROLLER_DATA);
+
+	outb(index, CARD_CONTROLLER_INDEX);
+	data |= ((uint16_t)inb(CARD_CONTROLLER_DATA)) << 8;
+
+	return data;
+}
+
+static inline uint8_t exca_write_byte(int slot, uint8_t index, uint8_t data)
+{
+	if (slot == CARD_SLOTB)
+		index += CARD_SLOTB_OFFSET;
+
+	outb(index, CARD_CONTROLLER_INDEX);
+	outb(data, CARD_CONTROLLER_DATA);
+
+	return data;
+}
+
+static inline uint16_t exca_write_word(int slot, uint8_t index, uint16_t data)
+{
+	if (slot == CARD_SLOTB)
+		index += CARD_SLOTB_OFFSET;
+
+	outb(index++, CARD_CONTROLLER_INDEX);
+	outb(data, CARD_CONTROLLER_DATA);
+
+	outb(index, CARD_CONTROLLER_INDEX);
+	outb((uint8_t)(data >> 8), CARD_CONTROLLER_DATA);
+
+	return data;
+}
+
+static inline int search_nonuse_irq(void)
+{
+	int i;
+
+	for (i = 0; i < 16; i++) {
+		if (vrc4171_irq_mask & (1 << i)) {
+			vrc4171_irq_mask &= ~(1 << i);
+			return i;
+		}
+	}
+
+	return -1;
+}
+
+static int pccard_init(struct pcmcia_socket *sock)
+{
+	vrc4171_socket_t *socket;
+	unsigned int slot;
+
+	sock->features |= SS_CAP_PCCARD | SS_CAP_PAGE_REGS;
+	sock->irq_mask = 0;
+	sock->map_size = 0x1000;
+	sock->pci_irq = vrc4171_irq;
+
+	slot = sock->sock;
+	socket = &vrc4171_sockets[slot];
+	socket->csc_irq = search_nonuse_irq();
+	socket->io_irq = search_nonuse_irq();
+
+	return 0;
+}
+
+static int pccard_suspend(struct pcmcia_socket *sock)
+{
+	return -EINVAL;
+}
+
+static int pccard_get_status(struct pcmcia_socket *sock, u_int *value)
+{
+	unsigned int slot;
+	uint8_t status, sense;
+	u_int val = 0;
+
+	if (sock == NULL || sock->sock >= CARD_MAX_SLOTS || value == NULL)
+		return -EINVAL;
+
+	slot = sock->sock;
+
+	status = exca_read_byte(slot, I365_STATUS);
+	if (exca_read_byte(slot, I365_INTCTL) & I365_PC_IOCARD) {
+		if (status & I365_CS_STSCHG)
+			val |= SS_STSCHG;
+	} else {
+		if (!(status & I365_CS_BVD1))
+			val |= SS_BATDEAD;
+		else if ((status & (I365_CS_BVD1 | I365_CS_BVD2)) == I365_CS_BVD1)
+			val |= SS_BATWARN;
+	}
+	if ((status & I365_CS_DETECT) == I365_CS_DETECT)
+		val |= SS_DETECT;
+	if (status & I365_CS_WRPROT)
+		val |= SS_WRPROT;
+	if (status & I365_CS_READY)
+		val |= SS_READY;
+	if (status & I365_CS_POWERON)
+		val |= SS_POWERON;
+
+	sense = exca_read_byte(slot, CARD_VOLTAGE_SENSE);
+	switch (sense) {
+	case VCC_3VORXV_CAPABLE:
+		val |= SS_3VCARD | SS_XVCARD;
+		break;
+	case VCC_XV_ONLY:
+		val |= SS_XVCARD;
+		break;
+	case VCC_3V_CAPABLE:
+		val |= SS_3VCARD;
+		break;
+	default:
+		/* 5V only */
+		break;
+	}
+
+	*value = val;
+
+	return 0;
+}
+
+static inline u_char get_Vcc_value(uint8_t voltage)
+{
+	switch (voltage) {
+	case VCC_STATUS_3V:
+		return 33;
+	case VCC_STATUS_5V:
+		return 50;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static inline u_char get_Vpp_value(uint8_t power, u_char Vcc)
+{
+	if ((power & 0x03) == 0x01 || (power & 0x03) == 0x02)
+		return Vcc;
+
+	return 0;
+}
+
+static int pccard_get_socket(struct pcmcia_socket *sock, socket_state_t *state)
+{
+	unsigned int slot;
+	uint8_t power, voltage, control, cscint;
+
+	if (sock == NULL || sock->sock >= CARD_MAX_SLOTS || state == NULL)
+		return -EINVAL;
+
+	slot = sock->sock;
+
+	power = exca_read_byte(slot, I365_POWER);
+	voltage = exca_read_byte(slot, CARD_VOLTAGE_SELECT);
+
+	state->Vcc = get_Vcc_value(voltage);
+	state->Vpp = get_Vpp_value(power, state->Vcc);
+
+	state->flags = 0;
+	if (power & POWER_ENABLE)
+		state->flags |= SS_PWR_AUTO;
+	if (power & I365_PWR_OUT)
+		state->flags |= SS_OUTPUT_ENA;
+
+	control = exca_read_byte(slot, I365_INTCTL);
+	if (control & I365_PC_IOCARD)
+		state->flags |= SS_IOCARD;
+	if (!(control & I365_PC_RESET))
+		state->flags |= SS_RESET;
+
+        cscint = exca_read_byte(slot, I365_CSCINT);
+	state->csc_mask = 0;
+	if (state->flags & SS_IOCARD) {
+		if (cscint & I365_CSC_STSCHG)
+			state->flags |= SS_STSCHG;
+	} else {
+		if (cscint & I365_CSC_BVD1)  
+			state->csc_mask |= SS_BATDEAD;
+		if (cscint & I365_CSC_BVD2)  
+			state->csc_mask |= SS_BATWARN;
+	}
+	if (cscint & I365_CSC_READY)
+		state->csc_mask |= SS_READY;
+	if (cscint & I365_CSC_DETECT)
+		state->csc_mask |= SS_DETECT;
+
+	return 0;
+}
+
+static inline uint8_t set_Vcc_value(u_char Vcc)
+{
+	switch (Vcc) {
+	case 33:
+		return VCC_3V;
+	case 50:
+		return VCC_5V;
+	}
+
+	/* Small voltage is chosen for safety. */
+	return VCC_3V;
+}
+
+static int pccard_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
+{
+	vrc4171_socket_t *socket;
+	unsigned int slot;
+	uint8_t voltage, power, control, cscint;
+
+	if (sock == NULL || sock->sock >= CARD_MAX_SLOTS ||
+	    (state->Vpp != state->Vcc && state->Vpp != 0) ||
+	    (state->Vcc != 50 && state->Vcc != 33 && state->Vcc != 0))
+		return -EINVAL;
+
+	slot = sock->sock;
+	socket = &vrc4171_sockets[slot];
+
+	spin_lock_irq(&sock->lock);
+
+	voltage = set_Vcc_value(state->Vcc);
+	exca_write_byte(slot, CARD_VOLTAGE_SELECT, voltage);
+
+	power = POWER_ENABLE;
+	if (state->Vpp == state->Vcc)
+		power |= VPP_GET_VCC;
+	if (state->flags & SS_OUTPUT_ENA)
+		power |= I365_PWR_OUT;
+	exca_write_byte(slot, I365_POWER, power);
+
+	control = 0;
+	if (state->io_irq != 0)
+		control |= socket->io_irq;
+	if (state->flags & SS_IOCARD)
+		control |= I365_PC_IOCARD;
+	if (state->flags & SS_RESET)
+		control	&= ~I365_PC_RESET;
+	else
+		control |= I365_PC_RESET;
+	exca_write_byte(slot, I365_INTCTL, control);
+
+        cscint = 0;
+        exca_write_byte(slot, I365_CSCINT, cscint);
+	exca_read_byte(slot, I365_CSC);	/* clear CardStatus change */
+	if (state->csc_mask != 0)
+		cscint |= socket->csc_irq << 8;
+	if (state->flags & SS_IOCARD) {
+		if (state->csc_mask & SS_STSCHG)
+			cscint |= I365_CSC_STSCHG;
+	} else {
+		if (state->csc_mask & SS_BATDEAD)
+			cscint |= I365_CSC_BVD1;
+		if (state->csc_mask & SS_BATWARN)
+			cscint |= I365_CSC_BVD2;
+	}
+	if (state->csc_mask & SS_READY)
+		cscint |= I365_CSC_READY;
+	if (state->csc_mask & SS_DETECT)
+		cscint |= I365_CSC_DETECT;
+        exca_write_byte(slot, I365_CSCINT, cscint);
+
+	spin_unlock_irq(&sock->lock);
+
+	return 0;
+}
+
+static int pccard_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
+{
+	unsigned int slot;
+	uint8_t ioctl, addrwin;
+	u_char map;
+
+	if (sock == NULL || sock->sock >= CARD_MAX_SLOTS ||
+	    io == NULL || io->map >= IO_MAX_MAPS ||
+	    io->start > 0xffff || io->stop > 0xffff || io->start > io->stop)
+		return -EINVAL;
+
+	slot = sock->sock;
+	map = io->map;
+
+	addrwin = exca_read_byte(slot, I365_ADDRWIN);
+	if (addrwin & I365_ENA_IO(map)) {
+		addrwin &= ~I365_ENA_IO(map);
+		exca_write_byte(slot, I365_ADDRWIN, addrwin);
+	}
+
+	exca_write_word(slot, I365_IO(map)+I365_W_START, io->start);
+	exca_write_word(slot, I365_IO(map)+I365_W_STOP, io->stop);
+
+	ioctl = 0;
+	if (io->speed > 0)
+		ioctl |= I365_IOCTL_WAIT(map);
+	if (io->flags & MAP_16BIT)
+		ioctl |= I365_IOCTL_16BIT(map);
+	if (io->flags & MAP_AUTOSZ)
+		ioctl |= I365_IOCTL_IOCS16(map);
+	if (io->flags & MAP_0WS)
+		ioctl |= I365_IOCTL_0WS(map);
+	exca_write_byte(slot, I365_IOCTL, ioctl);
+
+	if (io->flags & MAP_ACTIVE) {
+		addrwin |= I365_ENA_IO(map);
+		exca_write_byte(slot, I365_ADDRWIN, addrwin);
+	}
+
+	return 0;
+}
+
+static int pccard_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
+{
+	unsigned int slot;
+	uint16_t start, stop, offset;
+	uint8_t addrwin;
+	u_char map;
+
+	if (sock == NULL || sock->sock >= CARD_MAX_SLOTS ||
+	    mem == NULL || mem->map >= MEM_MAX_MAPS ||
+	    mem->sys_start < CARD_MEM_START || mem->sys_start > CARD_MEM_END ||
+	    mem->sys_stop < CARD_MEM_START || mem->sys_stop > CARD_MEM_END ||
+	    mem->sys_start > mem->sys_stop ||
+	    mem->card_start > CARD_MAX_MEM_OFFSET ||
+	    mem->speed > CARD_MAX_MEM_SPEED)
+		return -EINVAL;
+
+	slot = sock->sock;
+	map = mem->map;
+
+	addrwin = exca_read_byte(slot, I365_ADDRWIN);
+	if (addrwin & I365_ENA_MEM(map)) {
+		addrwin &= ~I365_ENA_MEM(map);
+		exca_write_byte(slot, I365_ADDRWIN, addrwin);
+	}
+
+	start = (mem->sys_start >> 12) & 0x3fff;
+	if (mem->flags & MAP_16BIT)
+		start |= I365_MEM_16BIT;
+	exca_write_word(slot, I365_MEM(map)+I365_W_START, start);
+
+	stop = (mem->sys_stop >> 12) & 0x3fff;
+	switch (mem->speed) {
+	case 0:
+		break;
+	case 1:
+		stop |= I365_MEM_WS0;
+		break;
+	case 2:
+		stop |= I365_MEM_WS1;
+		break;
+	default:
+		stop |= I365_MEM_WS0 | I365_MEM_WS1;
+		break;
+	}
+	exca_write_word(slot, I365_MEM(map)+I365_W_STOP, stop);
+
+	offset = (mem->card_start >> 12) & 0x3fff;
+	if (mem->flags & MAP_ATTRIB)
+		offset |= I365_MEM_REG;
+	if (mem->flags & MAP_WRPROT)
+		offset |= I365_MEM_WRPROT;
+	exca_write_word(slot, I365_MEM(map)+I365_W_OFF, offset);
+
+	if (mem->flags & MAP_ACTIVE) {
+		addrwin |= I365_ENA_MEM(map);
+		exca_write_byte(slot, I365_ADDRWIN, addrwin);
+	}
+
+	return 0;
+}
+
+static struct pccard_operations vrc4171_pccard_operations = {
+	.init			= pccard_init,
+	.suspend		= pccard_suspend,
+	.get_status		= pccard_get_status,
+	.get_socket		= pccard_get_socket,
+	.set_socket		= pccard_set_socket,
+	.set_io_map		= pccard_set_io_map,
+	.set_mem_map		= pccard_set_mem_map,
+};
+
+static inline unsigned int get_events(int slot)
+{
+	unsigned int events = 0;
+	uint8_t status, csc;
+
+	status = exca_read_byte(slot, I365_STATUS);
+	csc = exca_read_byte(slot, I365_CSC);
+
+	if (exca_read_byte(slot, I365_INTCTL) & I365_PC_IOCARD) {
+		if ((csc & I365_CSC_STSCHG) && (status & I365_CS_STSCHG))
+			events |= SS_STSCHG;
+	} else {
+		if (csc & (I365_CSC_BVD1 | I365_CSC_BVD2)) {
+			if (!(status & I365_CS_BVD1))
+				events |= SS_BATDEAD;
+			else if ((status & (I365_CS_BVD1 | I365_CS_BVD2)) == I365_CS_BVD1)
+				events |= SS_BATWARN;
+		}
+	}
+	if ((csc & I365_CSC_READY) && (status & I365_CS_READY))
+		events |= SS_READY;
+	if ((csc & I365_CSC_DETECT) && ((status & I365_CS_DETECT) == I365_CS_DETECT))
+		events |= SS_DETECT;
+
+	return events;
+}
+
+static irqreturn_t pccard_interrupt(int irq, void *dev_id, struct pt_regs *regs)
+{
+	vrc4171_socket_t *socket;
+	unsigned int events;
+	irqreturn_t retval = IRQ_NONE;
+	uint16_t status;
+
+	status = vrc4171_get_irq_status();
+	if (status & IRQ_A) {
+		socket = &vrc4171_sockets[CARD_SLOTA];
+		if (socket->noprobe == SLOT_PROBE) {
+			if (status & (1 << socket->csc_irq)) {
+				events = get_events(CARD_SLOTA);
+				if (events != 0) {
+					pcmcia_parse_events(&socket->pcmcia_socket, events);
+					retval = IRQ_HANDLED;
+				}
+			}
+		}
+	}
+
+	if (status & IRQ_B) {
+		socket = &vrc4171_sockets[CARD_SLOTB];
+		if (socket->noprobe == SLOT_PROBE) {
+			if (status & (1 << socket->csc_irq)) {
+				events = get_events(CARD_SLOTB);
+				if (events != 0) {
+					pcmcia_parse_events(&socket->pcmcia_socket, events);
+					retval = IRQ_HANDLED;
+				}
+			}
+		}
+	}
+
+	return retval;
+}
+
+static inline void reserve_using_irq(int slot)
+{
+	unsigned int irq;
+
+	irq = exca_read_byte(slot, I365_INTCTL);
+	irq &= 0x0f;
+	vrc4171_irq_mask &= ~(1 << irq);
+
+	irq = exca_read_byte(slot, I365_CSCINT);
+	irq = (irq & 0xf0) >> 4;
+	vrc4171_irq_mask &= ~(1 << irq);
+}
+
+static int __devinit vrc4171_add_socket(int slot)
+{
+	vrc4171_socket_t *socket;
+	int retval;
+
+	if (slot >= CARD_MAX_SLOTS)
+		return -EINVAL;
+
+	socket = &vrc4171_sockets[slot];
+	if (socket->noprobe != SLOT_PROBE) {
+		uint8_t addrwin;
+
+		switch (socket->noprobe) {
+		case SLOT_NOPROBE_MEM:
+			addrwin = exca_read_byte(slot, I365_ADDRWIN);
+			addrwin &= 0x1f;
+			exca_write_byte(slot, I365_ADDRWIN, addrwin);
+			break;
+		case SLOT_NOPROBE_IO:
+			addrwin = exca_read_byte(slot, I365_ADDRWIN);
+			addrwin &= 0xc0;
+			exca_write_byte(slot, I365_ADDRWIN, addrwin);
+			break;
+		default:
+			break;
+		}
+
+		reserve_using_irq(slot);
+
+		return 0;
+	}
+
+	sprintf(socket->name, "NEC VRC4171 Card Slot %1c", 'A' + slot);
+
+	socket->pcmcia_socket.ops = &vrc4171_pccard_operations;
+
+	retval = pcmcia_register_socket(&socket->pcmcia_socket);
+	if (retval != 0)
+		return retval;
+
+	exca_write_byte(slot, I365_ADDRWIN, 0);
+
+	exca_write_byte(slot, GLOBAL_CONTROL, 0);
+
+	return 0;
+}
+
+static void vrc4171_remove_socket(int slot)
+{
+	vrc4171_socket_t *socket;
+
+	if (slot >= CARD_MAX_SLOTS)
+		return;
+
+	socket = &vrc4171_sockets[slot];
+
+	pcmcia_unregister_socket(&socket->pcmcia_socket);
+}
+
+static int __devinit vrc4171_card_setup(char *options)
+{
+	if (options == NULL || *options == '\0')
+		return 0;
+
+	if (strncmp(options, "irq:", 4) == 0) {
+		int irq;
+		options += 4;
+		irq = simple_strtoul(options, &options, 0);
+		if (irq >= 0 && irq < NR_IRQS)
+			vrc4171_irq = irq;
+
+		if (*options != ',')
+			return 0;
+		options++;
+	}
+
+	if (strncmp(options, "slota:", 6) == 0) {
+		options += 6;
+		if (*options != '\0') {
+			if (strncmp(options, "memnoprobe", 10) == 0) {
+				vrc4171_sockets[CARD_SLOTA].noprobe = SLOT_NOPROBE_MEM;
+				options += 10;
+			} else if (strncmp(options, "ionoprobe", 9) == 0) {
+				vrc4171_sockets[CARD_SLOTA].noprobe = SLOT_NOPROBE_IO;
+				options += 9;
+			} else if ( strncmp(options, "noprobe", 7) == 0) {
+				vrc4171_sockets[CARD_SLOTA].noprobe = SLOT_NOPROBE_ALL;
+				options += 7;
+			}
+
+			if (*options != ',')
+				return 0;
+			options++;
+		} else
+			return 0;
+
+	}
+
+	if (strncmp(options, "slotb:", 6) == 0) {
+		options += 6;
+		if (*options != '\0') {
+			if (strncmp(options, "pccard", 6) == 0) {
+				vrc4171_slotb = SLOTB_IS_PCCARD;
+				options += 6;
+			} else if (strncmp(options, "cf", 2) == 0) {
+				vrc4171_slotb = SLOTB_IS_CF;
+				options += 2;
+			} else if (strncmp(options, "flashrom", 8) == 0) {
+				vrc4171_slotb = SLOTB_IS_FLASHROM;
+				options += 8;
+			} else if (strncmp(options, "none", 4) == 0) {
+				vrc4171_slotb = SLOTB_IS_NONE;
+				options += 4;
+			}
+
+			if (*options != ',')
+				return 0;
+			options++;
+
+			if (strncmp(options, "memnoprobe", 10) == 0)
+				vrc4171_sockets[CARD_SLOTB].noprobe = SLOT_NOPROBE_MEM;
+			if (strncmp(options, "ionoprobe", 9) == 0)
+				vrc4171_sockets[CARD_SLOTB].noprobe = SLOT_NOPROBE_IO;
+			if (strncmp(options, "noprobe", 7) == 0)
+				vrc4171_sockets[CARD_SLOTB].noprobe = SLOT_NOPROBE_ALL;
+		}
+	}
+
+	return 0;
+}
+
+__setup("vrc4171_card=", vrc4171_card_setup);
+
+static int __devinit vrc4171_card_init(void)
+{
+	int retval, slot;
+
+	vrc4171_set_multifunction_pin(vrc4171_slotb);
+
+	if (request_region(CARD_CONTROLLER_INDEX, CARD_CONTROLLER_SIZE,
+	                       "NEC VRC4171 Card Controller") == NULL)
+		return -EBUSY;
+
+	for (slot = 0; slot < CARD_MAX_SLOTS; slot++) {
+		if (slot == CARD_SLOTB && vrc4171_slotb == SLOTB_IS_NONE)
+			break;
+
+		retval = vrc4171_add_socket(slot);
+		if (retval != 0)
+			return retval;
+	}
+
+	retval = request_irq(vrc4171_irq, pccard_interrupt, SA_SHIRQ,
+	                     "NEC VRC4171 Card Controller", vrc4171_sockets);
+	if (retval < 0) {
+		for (slot = 0; slot < CARD_MAX_SLOTS; slot++)
+			vrc4171_remove_socket(slot);
+
+		return retval;
+	}
+
+	printk(KERN_INFO "NEC VRC4171 Card Controller, connected to IRQ %d\n", vrc4171_irq);
+
+	return 0;
+}
+
+static void __devexit vrc4171_card_exit(void)
+{
+	int slot;
+
+	for (slot = 0; slot < CARD_MAX_SLOTS; slot++)
+		vrc4171_remove_socket(slot);
+
+	release_region(CARD_CONTROLLER_INDEX, CARD_CONTROLLER_SIZE);
+}
+
+module_init(vrc4171_card_init);
+module_exit(vrc4171_card_exit);
diff -urN -X dontdiff linux-orig/include/pcmcia/cs_types.h linux/include/pcmcia/cs_types.h
--- linux-orig/include/pcmcia/cs_types.h	Sun Dec 21 10:45:59 2003
+++ linux/include/pcmcia/cs_types.h	Sat Feb 21 16:51:46 2004
@@ -36,7 +36,7 @@
 #include <sys/types.h>
 #endif
 
-#ifdef __arm__
+#if defined(__arm__) || defined(__mips__)
 typedef u_int   ioaddr_t;
 #else
 typedef u_short	ioaddr_t;