[PATCH 2.6.0] Cirrus PD6729 PCI-to-PCMCIA Bridge support for 2.6.x kernel

[Komuro <komujun@nifty.com>]

Dear all

I made a Cirrus PD6729 PCI-to-PCMCIA Bridge for 2.6.x kernel.
Please see the following patch. ( sorry for big patch)

Best Regards

diff -ruN linux/drivers/pcmcia.orig/Kconfig linux/drivers/pcmcia/Kconfig
--- linux/drivers/pcmcia.orig/Kconfig	2003-12-18 11:59:16.000000000
+0900
+++ linux/drivers/pcmcia/Kconfig	2003-12-30 21:38:44.000000000 +0900
@@ -50,6 +50,13 @@
 	depends on YENTA
 	default y if YENTA
 
+config PD6729
+	tristate "Cirrus PD6729 compatible bridge support"
+	depends on PCMCIA && PCI
+	help
+	  This provides support for the Cirrus PD6729 PCI-to-PCMCIA bridge
device,
+	  found in some older laptops and PCMCIA card readers.
+
 config I82092
 	tristate "i82092 compatible bridge support"
 	depends on PCMCIA && PCI
diff -ruN linux/drivers/pcmcia.orig/Makefile
linux/drivers/pcmcia/Makefile
--- linux/drivers/pcmcia.orig/Makefile	2003-12-18 11:59:18.000000000
+0900
+++ linux/drivers/pcmcia/Makefile	2003-12-30 21:38:44.000000000 +0900
@@ -5,6 +5,7 @@
 obj-$(CONFIG_PCMCIA)				+= pcmcia_core.o ds.o
 obj-$(CONFIG_YENTA) 				+= yenta_socket.o
 
+obj-$(CONFIG_PD6729)				+= pd6729.o
 obj-$(CONFIG_I82365)				+= i82365.o
 obj-$(CONFIG_I82092)				+= i82092.o
 obj-$(CONFIG_TCIC)				+= tcic.o
diff -ruN linux/drivers/pcmcia.orig/pd6729.c
linux/drivers/pcmcia/pd6729.c
--- linux/drivers/pcmcia.orig/pd6729.c	1970-01-01 09:00:00.000000000
+0900
+++ linux/drivers/pcmcia/pd6729.c	2003-12-31 09:15:52.243963080 +0900
@@ -0,0 +1,756 @@
+/* 
+ * Driver for the Cirrus PD6729 PCI-PCMCIA bridge.
+ *
+ * Based on the i82092.c driver. 
+ *
+ */
+
+#include <linux/kernel.h>
+#include <linux/config.h>
+#include <linux/module.h>
+#include <linux/pci.h>
+#include <linux/init.h>
+#include <linux/workqueue.h>
+#include <linux/interrupt.h>
+#include <linux/device.h>
+
+#include <pcmcia/cs_types.h>
+#include <pcmcia/ss.h>
+#include <pcmcia/cs.h>
+
+#include <asm/system.h>
+#include <asm/io.h>
+
+#include "pd6729.h"
+#include "i82365.h"
+#include "cirrus.h"
+
+MODULE_LICENSE("GPL");
+
+/* PCI core routines */
+static struct pci_device_id pd6729_pci_ids[] = {
+	{
+	      .vendor = PCI_VENDOR_ID_CIRRUS,
+	      .device = PCI_DEVICE_ID_CIRRUS_6729,
+	      .subvendor = PCI_ANY_ID,
+	      .subdevice = PCI_ANY_ID,
+	 },
+	 {} 
+};
+MODULE_DEVICE_TABLE(pci, pd6729_pci_ids);
+
+static int pd6729_socket_suspend (struct pci_dev *dev, u32 state)
+{
+	return pcmcia_socket_dev_suspend(&dev->dev, state);
+}
+
+static int pd6729_socket_resume (struct pci_dev *dev)
+{
+	return pcmcia_socket_dev_resume(&dev->dev);
+}
+
+static struct pci_driver pd6729_pci_drv = {
+	.name           = "pd6729",
+	.id_table       = pd6729_pci_ids,
+	.probe          = pd6729_pci_probe,
+	.remove         = __devexit_p(pd6729_pci_remove),
+	.suspend        = pd6729_socket_suspend,
+	.resume         = pd6729_socket_resume,
+};
+
+
+/* the pccard structure and its functions */
+static struct pccard_operations pd6729_operations = {
+	.init 		 	= pd6729_init,
+	.suspend	   	= pd6729_suspend,
+	.get_status		= pd6729_get_status,
+	.get_socket		= pd6729_get_socket,
+	.set_socket		= pd6729_set_socket,
+	.set_io_map		= pd6729_set_io_map,
+	.set_mem_map		= pd6729_set_mem_map,
+};
+
+/* The card can do upto 4 sockets, allocate a structure for each of
them */
+
+struct socket_info {
+	int	number;
+	int	card_state; 	/*  0 = no socket,
+				    1 = empty socket, 
+				    2 = card but not initialized,
+				    3 = operational card */
+	int 	io_base; 	/* base io address of the socket */
+	
+	struct pcmcia_socket socket;
+	struct pci_dev *dev;	/* The PCI device for the socket */
+};
+
+#define MAX_SOCKETS 4
+static struct socket_info sockets[MAX_SOCKETS];
+static int socket_count;  /* shortcut
*/                                  	                                	
+
+static int __devinit pd6729_pci_probe(struct pci_dev *dev, const struct
pci_device_id *id)
+{
+	int i, ret;
+	char configbyte;
+	
+	if ((ret = pci_enable_device(dev)))
+		return ret;
+
+	socket_count = 2;
+	printk(KERN_INFO "pd6729: Cirrus PD6729 PCI to PCMCIA Bridge.\n");
+	printk(KERN_INFO "pd6729: configured as a %d socket device.\n",
socket_count);
+ 	/* Since we have no memory BARs some firmware we may not
+ 	   have had PCI_COMMAND_MEM enabled, yet the device needs
+ 	   it. */
+	pci_read_config_byte(dev, PCI_COMMAND, &configbyte);
+	if (!(configbyte & PCI_COMMAND_MEMORY)) {
+		printk(KERN_DEBUG "pd6729: Enabling PCI_COMMAND_MEMORY.\n");
+		configbyte |= PCI_COMMAND_MEMORY;
+		pci_write_config_byte(dev, PCI_COMMAND, configbyte);
+	}
+		
+	if (pci_request_regions(dev, "pd6729")) {
+		ret = -EBUSY;
+		goto err_out_disable;
+	}
+	
+	for (i = 0;i<socket_count;i++) {
+		sockets[i].card_state = 1; /* 1 = present but empty */
+		sockets[i].io_base = pci_resource_start(dev, 0);
+		sockets[i].socket.features |= SS_CAP_PAGE_REGS | SS_CAP_PCCARD;
+		sockets[i].socket.map_size = 0x1000;
+		sockets[i].socket.irq_mask = 0;
+		sockets[i].socket.pci_irq  = dev->irq;
+		sockets[i].socket.owner = THIS_MODULE;
+
+		sockets[i].number = i;
+		
+		if (card_present(i)) {
+			sockets[i].card_state = 3;
+			dprintk(KERN_DEBUG "pd6729: slot %i is occupied\n",i);
+		} else {
+			dprintk(KERN_DEBUG "pd6729: slot %i is vacant\n",i);
+		}
+	}
+
+	/* Register the interrupt handler */
+	dprintk(KERN_DEBUG "Requesting interrupt %i \n",dev->irq);
+	if ((ret = request_irq(dev->irq, pd6729_interrupt, SA_SHIRQ, "pd6729",
pd6729_interrupt))) {
+		printk(KERN_ERR "pd6729: Failed to register IRQ %d, aborting\n",
dev->irq);
+		goto err_out_free_res;
+	}
+
+	pci_set_drvdata(dev, &sockets[i].socket);
+
+	for (i = 0; i<socket_count; i++) {
+		sockets[i].socket.dev.dev = &dev->dev;
+		sockets[i].socket.ops = &pd6729_operations;
+		ret = pcmcia_register_socket(&sockets[i].socket);
+		if (ret) {
+			goto err_out_free_sockets;
+		}
+	}
+
+	return 0;
+
+err_out_free_sockets:
+	if (i) {
+		for (i--;i>=0;i--) {
+			pcmcia_unregister_socket(&sockets[i].socket);
+		}
+	}
+	free_irq(dev->irq, pd6729_interrupt);
+err_out_free_res:
+	pci_release_regions(dev);
+err_out_disable:
+	pci_disable_device(dev);
+	return ret;			
+}
+
+static void __devexit pd6729_pci_remove(struct pci_dev *dev)
+{
+	struct pcmcia_socket *socket = pci_get_drvdata(dev);
+
+	free_irq(dev->irq, pd6729_interrupt);
+
+	if (socket)
+		pcmcia_unregister_socket(socket);
+}
+
+static spinlock_t port_lock = SPIN_LOCK_UNLOCKED;
+
+/* basic value read/write functions */
+
+static unsigned char indirect_read(int socket, unsigned short reg)
+{
+	unsigned short int port;
+	unsigned char val;
+	unsigned long flags;
+	spin_lock_irqsave(&port_lock,flags);
+	reg += socket * 0x40;
+	port = sockets[socket].io_base;
+	outb(reg,port);
+	val = inb(port+1);
+	spin_unlock_irqrestore(&port_lock,flags);
+	return val;
+}
+
+static unsigned short indirect_read16(int socket, unsigned short reg)
+{
+	unsigned short int port;
+	unsigned short tmp;
+	unsigned long flags;
+	spin_lock_irqsave(&port_lock,flags);
+	reg  = reg + socket * 0x40;
+	port = sockets[socket].io_base;
+	outb(reg,port);
+	tmp = inb(port+1);
+	reg++;
+	outb(reg,port);
+	tmp = tmp | (inb(port+1)<<8);
+	spin_unlock_irqrestore(&port_lock,flags);
+	return tmp;
+}
+
+static void indirect_write(int socket, unsigned short reg, unsigned
char value)
+{
+	unsigned short int port;
+	unsigned long flags;
+	spin_lock_irqsave(&port_lock,flags);
+	reg = reg + socket * 0x40;
+	port = sockets[socket].io_base; 
+	outb(reg,port);
+	outb(value,port+1);
+	spin_unlock_irqrestore(&port_lock,flags);
+}
+
+static void indirect_setbit(int socket, unsigned short reg, unsigned
char mask)
+{
+	unsigned short int port;
+	unsigned char val;
+	unsigned long flags;
+	spin_lock_irqsave(&port_lock,flags);
+	reg = reg + socket * 0x40;
+	port = sockets[socket].io_base; 
+	outb(reg,port);
+	val = inb(port+1);
+	val |= mask;
+	outb(reg,port);
+	outb(val,port+1);
+	spin_unlock_irqrestore(&port_lock,flags);
+}
+
+static void indirect_resetbit(int socket, unsigned short reg, unsigned
char mask)
+{
+	unsigned short int port;
+	unsigned char val;
+	unsigned long flags;
+	spin_lock_irqsave(&port_lock,flags);
+	reg = reg + socket * 0x40;
+	port = sockets[socket].io_base; 
+	outb(reg,port);
+	val = inb(port+1);
+	val &= ~mask;
+	outb(reg,port);
+	outb(val,port+1);
+	spin_unlock_irqrestore(&port_lock,flags);
+}
+
+static void indirect_write16(int socket, unsigned short reg, unsigned
short value)
+{
+	unsigned short int port;
+	unsigned char val;
+	unsigned long flags;
+	spin_lock_irqsave(&port_lock,flags);
+	reg = reg + socket * 0x40;
+	port = sockets[socket].io_base; 
+	
+	outb(reg,port);
+	val = value & 255;
+	outb(val,port+1);
+	
+	reg++;
+	
+	outb(reg,port);
+	val = value>>8;
+	outb(val,port+1);
+	spin_unlock_irqrestore(&port_lock,flags);
+}
+
+/* simple helper functions */
+/* External clock time, in nanoseconds.  120 ns = 8.33 MHz */
+static int cycle_time = 120;
+
+static int to_cycles(int ns)
+{
+	if (cycle_time!=0)
+		return ns/cycle_time;
+	else
+		return 0;
+}
+
+/* Interrupt handler functionality */
+
+static irqreturn_t pd6729_interrupt(int irq, void *dev, struct pt_regs
*regs)
+{
+	int i;
+	int loopcount = 0;
+	int handled = 0;
+
+	unsigned int events, active=0;
+	
+	while (1) {
+		loopcount++;
+		if (loopcount>20) {
+			printk(KERN_ERR "pd6729: infinite eventloop in interrupt \n");
+			break;
+		}
+		
+		active = 0;
+		
+		for (i=0;i<socket_count;i++) {
+			int csc;
+			if (sockets[i].card_state==0) /* Inactive socket, should not happen
*/
+				continue;
+			
+			csc = indirect_read(i,I365_CSC); /* card status change register */
+			
+			if (csc==0)  /* no events on this socket */
+			   	continue;
+			handled = 1;
+			events = 0;
+			 
+			if (csc & I365_CSC_DETECT) {
+				events |= SS_DETECT;
+				dprintk("Card detected in socket %i!\n",i);
+			 }
+			
+			if (indirect_read(i,I365_INTCTL) & I365_PC_IOCARD) { 
+				/* For IO/CARDS, bit 0 means "read the card" */
+				events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0; 
+			} else {
+				/* Check for battery/ready events */
+				events |= (csc & I365_CSC_BVD1) ? SS_BATDEAD : 0;
+				events |= (csc & I365_CSC_BVD2) ? SS_BATWARN : 0;
+				events |= (csc & I365_CSC_READY) ? SS_READY : 0;
+			}
+			
+			if (events) {
+				pcmcia_parse_events(&sockets[i].socket, events);
+			}
+			active |= events;
+		}
+				
+		if (active==0) /* no more events to handle */
+			break;				
+		
+	}
+	return IRQ_RETVAL(handled);
+}
+
+/* socket functions */
+
+static int card_present(int socketno)
+{	
+	unsigned int val;
+	
+	if ((socketno<0) || (socketno >= MAX_SOCKETS))
+		return 0;
+	if (sockets[socketno].io_base == 0)
+		return 0;
+		
+	val = indirect_read(socketno, 1); /* Interface status register */
+	if ((val&12)==12) {
+		dprintk("card_present 1");
+		return 1;
+	}
+		
+	dprintk("card_present 0");
+	return 0;
+}
+
+static void set_bridge_state(int sock)
+{
+	indirect_write(sock, I365_GBLCTL,0x00);
+	indirect_write(sock, I365_GENCTL,0x00);
+	
+	indirect_setbit(sock, I365_INTCTL,0x08);
+}
+
+static int pd6729_init(struct pcmcia_socket *sock)
+{
+	int i;
+        pccard_io_map io = { 0, 0, 0, 0, 1 };
+        pccard_mem_map mem = { 0, 0, 0, 0, 0, 0 };
+        
+        mem.sys_stop = 0x0fff;
+        pd6729_set_socket(sock, &dead_socket);
+        for (i = 0; i < 2; i++) {
+        	io.map = i;
+                pd6729_set_io_map(sock, &io);
+	}
+        for (i = 0; i < 5; i++) {
+        	mem.map = i;
+                pd6729_set_mem_map(sock, &mem);
+	}
+	
+	return 0;
+}
+
+static int pd6729_suspend(struct pcmcia_socket *sock)
+{
+	int retval;
+        retval =  pd6729_set_socket(sock, &dead_socket);
+        return retval;
+}
+       
+static int pd6729_get_status(struct pcmcia_socket *socket, u_int
*value)
+{
+	unsigned int sock = container_of(socket, struct socket_info,
socket)->number;
+	unsigned int status;
+	unsigned int data, t;
+	
+	status = indirect_read(sock,I365_STATUS); /* Interface Status Register
*/
+	*value = 0;
+	
+	if ((status & I365_CS_DETECT) == I365_CS_DETECT) {
+		*value |= SS_DETECT;
+	}
+		
+	/* IO cards have a different meaning of bits 0,1 */
+	/* Also notice the inverse-logic on the bits */
+	 if (indirect_read(sock, I365_INTCTL) & I365_PC_IOCARD)	{
+	 	/* IO card */
+	 	if (!(status & I365_CS_STSCHG))
+	 		*value |= SS_STSCHG;
+	 } else { /* non I/O card */
+	 	if (!(status & I365_CS_BVD1))
+	 		*value |= SS_BATDEAD;
+	 	if (!(status & I365_CS_BVD2))
+	 		*value |= SS_BATWARN;
+	 		
+	 }
+	 
+	 if (status & I365_CS_WRPROT)
+	 	(*value) |= SS_WRPROT;	/* card is write protected */
+	 
+	 if (status & I365_CS_READY)
+	 	(*value) |= SS_READY;    /* card is not busy */
+	 	
+	 if (status & I365_CS_POWERON)
+	 	(*value) |= SS_POWERON;  /* power is applied to the card */
+
+	t = (sock) ? sock : sock+1;
+	indirect_write(t, PD67_EXT_INDEX, PD67_EXTERN_DATA);
+	data = indirect_read16(t, PD67_EXT_DATA);
+	*value |= (data & PD67_EXD_VS1(sock)) ? 0 : SS_3VCARD; /* 3.3V card */
+
+	return 0;
+}
+
+
+static int pd6729_get_socket(struct pcmcia_socket *socket,
socket_state_t *state) 
+{
+	unsigned int sock = container_of(socket, struct socket_info,
socket)->number;
+	unsigned char reg,vcc,vpp;
+	
+	state->flags    = 0;
+	state->Vcc      = 0;
+	state->Vpp      = 0;
+	state->io_irq   = 0;
+	state->csc_mask = 0;
+
+	/* First the power status of the socket */
+	reg = indirect_read(sock,I365_POWER); /* PCTRL - Power Control
Register */
+
+	if (reg & I365_PWR_AUTO)
+		state->flags |= SS_PWR_AUTO;  /* Automatic Power Switch */
+		
+	if (reg & I365_PWR_OUT)
+		state->flags |= SS_OUTPUT_ENA; /* Output signals are enabled */
+		
+	vcc = reg & I365_VCC_MASK;    vpp = reg & I365_VPP1_MASK;
+	
+	if (reg & I365_VCC_5V) {
+    		state->Vcc = (indirect_read(sock, PD67_MISC_CTL_1) &
+			  PD67_MC1_VCC_3V) ? 33 : 50;
+		
+		if (vpp == I365_VPP1_5V) {
+			if (state->Vcc == 50) state->Vpp = 50;
+			else state->Vpp = 33;
+		}
+		if (vpp == I365_VPP1_12V)
+			state->Vpp = 120;
+			
+	}
+	
+	/* Now the IO card, RESET flags and IO interrupt */
+	
+	reg = indirect_read(sock, I365_INTCTL); /* IGENC, Interrupt and
General Control */
+	
+	if ((reg & I365_PC_RESET)==0)
+		state->flags |= SS_RESET;
+	if (reg & I365_PC_IOCARD) 
+		state->flags |= SS_IOCARD; /* This is an IO card */
+	
+	/* Set the IRQ number */
+	if (sockets[sock].dev!=NULL)
+		state->io_irq = sockets[sock].dev->irq;
+	
+	/* Card status change */
+	reg = indirect_read(sock, I365_CSCINT); /* CSCICR, Card Status Change
Interrupt Configuration */
+	
+	if (reg & I365_CSC_DETECT) 
+		state->csc_mask |= SS_DETECT; /* Card detect is enabled */
+	
+	if (state->flags & SS_IOCARD) {/* IO Cards behave different */
+		if (reg & I365_CSC_STSCHG)
+			state->csc_mask |= SS_STSCHG;
+	} else {
+		if (reg & I365_CSC_BVD1) 
+			state->csc_mask |= SS_BATDEAD;
+		if (reg & I365_CSC_BVD2) 
+			state->csc_mask |= SS_BATWARN;
+		if (reg & I365_CSC_READY) 
+			state->csc_mask |= SS_READY;
+	}
+		
+	return 0;
+}
+
+static int pd6729_set_socket(struct pcmcia_socket *socket,
socket_state_t *state) 
+{
+	unsigned int sock = container_of(socket, struct socket_info,
socket)->number;
+	unsigned char reg;
+	
+	/* First, set the global controller options */
+	
+	set_bridge_state(sock);
+	
+	/* Values for the IGENC register */
+	
+	reg = 0;
+	if (!(state->flags & SS_RESET)) 	/* The reset bit has "inverse" logic
*/
+		reg = reg | I365_PC_RESET;  
+	if (state->flags & SS_IOCARD) 
+		reg = reg | I365_PC_IOCARD;
+		
+	indirect_write(sock,I365_INTCTL,reg); /* IGENC, Interrupt and General
Control Register */
+	
+	/* Power registers */
+	
+	reg = I365_PWR_NORESET; /* default: disable resetdrv on resume */
+	
+	if (state->flags & SS_PWR_AUTO) {
+		dprintk("Auto power\n");
+		reg |= I365_PWR_AUTO;	/* automatic power mngmnt */
+	}
+	if (state->flags & SS_OUTPUT_ENA) {
+		dprintk("Power Enabled \n");
+		reg |= I365_PWR_OUT;	/* enable power */
+	}
+	
+	switch (state->Vcc) {
+		case 0:	
+			break;
+		case 33:
+			dprintk("setting voltage to Vcc to 3.3V on socket %i\n",sock);
+			reg |= I365_VCC_5V;
+			indirect_setbit(sock,PD67_MISC_CTL_1,PD67_MC1_VCC_3V);
+			break;
+		case 50: 
+			dprintk("setting voltage to Vcc to 5V on socket %i\n",sock);
+			reg |= I365_VCC_5V;
+			indirect_resetbit(sock,PD67_MISC_CTL_1,PD67_MC1_VCC_3V);
+			break;
+		default:
+			dprintk("pd6729: pd6729_set_socket called with invalid VCC power
value: %i ", state->Vcc);
+			return -EINVAL;
+	}
+	
+	switch (state->Vpp) {
+		case 0:	
+			dprintk("not setting Vpp on socket %i\n",sock);
+			break;
+		case 33: 
+		case 50: 
+			dprintk("setting Vpp to Vcc for socket %i\n",sock);
+			reg |= I365_VPP1_5V;
+			break;
+		case 120: 
+			dprintk("setting Vpp to 12.0\n");
+			reg |= I365_VPP1_12V;
+			break;
+		default:
+			dprintk("pd6729: pd6729_set_socket called with invalid VPP power
value: %i ", state->Vpp);
+			return -EINVAL;
+	}
+	
+	if (reg != indirect_read(sock,I365_POWER)) /* only write if changed */
+		indirect_write(sock,I365_POWER,reg);
+		
+	/* Now, specifiy that all interrupts are to be done as PCI interrupts
*/
+	indirect_write(sock, PD67_EXT_INDEX, PD67_EXT_CTL_1);
+	indirect_write(sock, PD67_EXT_DATA, PD67_EC1_INV_MGMT_IRQ |
PD67_EC1_INV_CARD_IRQ);
+
+	/* Enable specific interrupt events */
+	
+	reg = 0x00;
+	if (state->csc_mask & SS_DETECT) {
+		reg |= I365_CSC_DETECT;
+	}
+	if (state->flags & SS_IOCARD) {
+		if (state->csc_mask & SS_STSCHG)
+			reg |= I365_CSC_STSCHG;
+	} else {
+		if (state->csc_mask & SS_BATDEAD) 
+			reg |= I365_CSC_BVD1;
+		if (state->csc_mask & SS_BATWARN) 
+			reg |= I365_CSC_BVD2;
+		if (state->csc_mask & SS_READY) 
+			reg |= I365_CSC_READY; 
+	}
+	reg |= 0x30;	/* management IRQ: PCI INTA# = "irq 3" */
+	indirect_write(sock,I365_CSCINT,reg);
+
+	reg = indirect_read(sock,I365_INTCTL);
+	reg |= 0x03;	/* card IRQ: PCI INTA# = "irq 3" */
+	indirect_write(sock,I365_INTCTL,reg);
+
+	/* now clear the (probably bogus) pending stuff by doing a dummy
read*/
+	(void)indirect_read(sock,I365_CSC);
+
+	return 0;
+}
+
+static int pd6729_set_io_map(struct pcmcia_socket *socket, struct
pccard_io_map *io)
+{
+	unsigned int sock = container_of(socket, struct socket_info,
socket)->number;
+	unsigned char map, ioctl;
+	
+	map = io->map;
+	
+	/* Check error conditions */	
+	if (map > 1) {
+		dprintk("pd6729_set_io_map with invalid map");
+		return -EINVAL;
+	}
+	if ((io->start > 0xffff) || (io->stop > 0xffff) || (io->stop <
io->start)){
+		dprintk("pd6729_set_io_map with invalid io");
+		return -EINVAL;
+	}
+
+	/* Turn off the window before changing anything */ 
+	if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_IO(map))
+		indirect_resetbit(sock, I365_ADDRWIN, I365_ENA_IO(map));
+
+/*	printk("set_io_map: Setting range to %x - %x
\n",io->start,io->stop);  */
+	
+	/* write the new values */
+	indirect_write16(sock,I365_IO(map)+I365_W_START,io->start);           
	
+	indirect_write16(sock,I365_IO(map)+I365_W_STOP,io->stop);            	
+	            	
+	ioctl = indirect_read(sock,I365_IOCTL) & ~I365_IOCTL_MASK(map);
+	
+    	if (io->flags & MAP_0WS) ioctl |= I365_IOCTL_0WS(map);
+    	if (io->flags & MAP_16BIT) ioctl |= I365_IOCTL_16BIT(map);
+    	if (io->flags & MAP_AUTOSZ) ioctl |= I365_IOCTL_IOCS16(map);
+		
+	indirect_write(sock,I365_IOCTL,ioctl);
+	
+	/* Turn the window back on if needed */
+	if (io->flags & MAP_ACTIVE)
+		indirect_setbit(sock,I365_ADDRWIN,I365_ENA_IO(map));
+			
+	return 0;
+}
+
+static int pd6729_set_mem_map(struct pcmcia_socket *socket, struct
pccard_mem_map *mem)
+{
+	unsigned int sock = container_of(socket, struct socket_info,
socket)->number;
+	unsigned short base, i;
+	unsigned char map;
+	
+	map = mem->map;
+	if (map > 4) {
+		printk("pd6729_set_mem_map: invalid map");
+		return -EINVAL;
+	}
+	
+	if ( (mem->sys_start > mem->sys_stop) || (mem->speed > 1000) ) {
+		printk("pd6729_set_mem_map: invalid address / speed");
+		printk("invalid mem map for socket %i : %lx to %lx with a start of %x
\n",sock,mem->sys_start, mem->sys_stop, mem->card_start);
+		return -EINVAL;
+	}
+
+	/* Turn off the window before changing anything */
+	if (indirect_read(sock, I365_ADDRWIN) & I365_ENA_MEM(map))
+	              indirect_resetbit(sock, I365_ADDRWIN,
I365_ENA_MEM(map));
+	                 
+/* 	printk("set_mem_map: Setting map %i range to %x - %x on socket %i,
speed is %i, active = %i \n",map,
mem->sys_start,mem->sys_stop,sock,mem->speed,mem->flags & MAP_ACTIVE); 
*/
+
+	/* write the start address */
+	base = I365_MEM(map);
+	i = (mem->sys_start >> 12) & 0x0fff;
+	if (mem->flags & MAP_16BIT) 
+		i |= I365_MEM_16BIT;
+	if (mem->flags & MAP_0WS)
+		i |= I365_MEM_0WS;	
+	indirect_write16(sock,base+I365_W_START,i);
+		               
+	/* write the stop address */
+	
+	i= (mem->sys_stop >> 12) & 0x0fff;
+	switch (to_cycles(mem->speed)) {
+		case 0:
+			break;
+		case 1:
+			i |= I365_MEM_WS0;
+			break;
+		case 2:
+			i |= I365_MEM_WS1;
+			break;
+		default:
+			i |= I365_MEM_WS1 | I365_MEM_WS0;
+			break;
+	}
+	
+	indirect_write16(sock,base+I365_W_STOP,i);
+	
+	/* Take care of high byte */
+	indirect_write(sock, PD67_EXT_INDEX, PD67_MEM_PAGE(map));
+	indirect_write(sock, PD67_EXT_DATA, mem->sys_start >> 24);
+
+	/* card start */
+	
+	i = ((mem->card_start - mem->sys_start) >> 12) & 0x3fff;
+	if (mem->flags & MAP_WRPROT)
+		i |= I365_MEM_WRPROT;
+	if (mem->flags & MAP_ATTRIB) {
+/*		printk("requesting attribute memory for socket %i\n",sock);*/
+		i |= I365_MEM_REG;
+	} else {
+/*		printk("requesting normal memory for socket %i\n",sock);*/
+	}
+	indirect_write16(sock,base+I365_W_OFF,i);
+	
+	/* Enable the window if necessary */
+	if (mem->flags & MAP_ACTIVE)
+		indirect_setbit(sock, I365_ADDRWIN, I365_ENA_MEM(map));
+	            
+	return 0;
+}
+
+static int pd6729_module_init(void)
+{
+	return pci_module_init (&pd6729_pci_drv);
+}
+
+static void pd6729_module_exit(void)
+{
+	pci_unregister_driver(&pd6729_pci_drv);
+}
+
+module_init(pd6729_module_init);
+module_exit(pd6729_module_exit);
+
diff -ruN linux/drivers/pcmcia.orig/pd6729.h
linux/drivers/pcmcia/pd6729.h
--- linux/drivers/pcmcia.orig/pd6729.h	1970-01-01 09:00:00.000000000
+0900
+++ linux/drivers/pcmcia/pd6729.h	2003-12-30 21:38:44.000000000 +0900
@@ -0,0 +1,42 @@
+#ifndef _INCLUDE_GUARD_PD6729_H_
+#define _INCLUDE_GUARD_PD6729_H_
+
+#include <linux/interrupt.h>
+
+
+/* Debuging defines */
+#ifdef NOTRACE
+#define enter(x)   printk("Enter: %s, %s line
%i\n",x,__FILE__,__LINE__)
+#define leave(x)   printk("Leave: %s, %s line
%i\n",x,__FILE__,__LINE__)
+#define dprintk(fmt, args...) printk(fmt , ## args)
+#else
+#define enter(x)   do {} while (0)
+#define leave(x)   do {} while (0)
+#define dprintk(fmt, args...) do {} while (0)
+#endif
+
+
+/* Flags for I365_GENCTL */
+#define I365_DF_VS1		0x40	/* DF-step Voltage Sense */
+#define I365_DF_VS2		0x80
+
+/* Fields in PD67_EXTERN_DATA */
+#define PD67_EXD_VS1(s)		(0x01 << ((s)<<1))
+#define PD67_EXD_VS2(s)		(0x02 << ((s)<<1))
+
+/* prototypes */
+
+static int  pd6729_pci_probe(struct pci_dev *dev, const struct
pci_device_id *id);
+static void pd6729_pci_remove(struct pci_dev *dev);
+static int card_present(int socketno);
+static irqreturn_t pd6729_interrupt(int irq, void *dev, struct pt_regs
*regs);
+static int pd6729_get_status(struct pcmcia_socket *socket, u_int
*value);
+static int pd6729_get_socket(struct pcmcia_socket *socket,
socket_state_t *state);
+static int pd6729_set_socket(struct pcmcia_socket *socket,
socket_state_t *state);
+static int pd6729_set_io_map(struct pcmcia_socket *socket, struct
pccard_io_map *io);
+static int pd6729_set_mem_map(struct pcmcia_socket *socket, struct
pccard_mem_map *mem);
+static int pd6729_init(struct pcmcia_socket *socket);
+static int pd6729_suspend(struct pcmcia_socket *socket);
+
+#endif
+