Commit ae19e152 authored by Thomas Bogendoerfer's avatar Thomas Bogendoerfer Committed by Dominik Brodowski
Browse files

pcmcia: remove VR41XX PCMCIA driver 



Commit d3164e2f ("MIPS: Remove VR41xx support") removed support
for MIPS VR41xx platform, so remove exclusive drivers for this
platform, too.

Signed-off-by: default avatarThomas Bogendoerfer <tsbogend@alpha.franken.de>
Signed-off-by: default avatarDominik Brodowski <linux@dominikbrodowski.net>
parent 09b2c10d

drivers/pcmcia/Kconfig

+0 −4
Original line number Diff line number Diff line
@@ -240,10 +240,6 @@ config PCMCIA_PROBE 
	bool

	default y if ISA && !ARCH_SA1100 && !PARISC



config PCMCIA_VRC4171

	tristate "NEC VRC4171 Card Controllers support"

	depends on CPU_VR41XX && ISA && PCMCIA



config OMAP_CF

	tristate "OMAP CompactFlash Controller"

	depends on PCMCIA

drivers/pcmcia/Makefile

+0 −1
Original line number Diff line number Diff line
@@ -29,7 +29,6 @@ obj-$(CONFIG_PCMCIA_SA11XX_BASE) += sa11xx_base.o 
obj-$(CONFIG_PCMCIA_SA1100)			+= sa1100_cs.o

obj-$(CONFIG_PCMCIA_SA1111)			+= sa1111_cs.o

obj-$(CONFIG_PCMCIA_BCM63XX)			+= bcm63xx_pcmcia.o

obj-$(CONFIG_PCMCIA_VRC4171)			+= vrc4171_card.o

obj-$(CONFIG_OMAP_CF)				+= omap_cf.o

obj-$(CONFIG_AT91_CF)				+= at91_cf.o

obj-$(CONFIG_ELECTRA_CF)			+= electra_cf.o

drivers/pcmcia/vrc4171_card.c

deleted100644 → 0
+0 −745
Original line number Diff line number Diff line 
// SPDX-License-Identifier: GPL-2.0-or-later

/*

 * vrc4171_card.c, NEC VRC4171 Card Controller driver for Socket Services.

 *

 * Copyright (C) 2003-2005  Yoichi Yuasa <yuasa@linux-mips.org>

 */

#include <linux/init.h>

#include <linux/ioport.h>

#include <linux/interrupt.h>

#include <linux/module.h>

#include <linux/spinlock.h>

#include <linux/types.h>

#include <linux/platform_device.h>



#include <asm/io.h>



#include <pcmcia/ss.h>



#include "i82365.h"



MODULE_DESCRIPTION("NEC VRC4171 Card Controllers driver for Socket Services");

MODULE_AUTHOR("Yoichi Yuasa <yuasa@linux-mips.org>");

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

 /* 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 INTERRUPT_STATUS	0x05fa

 #define IRQ_A			0x02

 #define IRQ_B			0x04



#define CONFIGURATION1		0x05fe

 #define SLOTB_CONFIG		0xc000

 #define SLOTB_NONE		0x0000

 #define SLOTB_PCCARD		0x4000

 #define SLOTB_CF		0x8000

 #define SLOTB_FLASHROM		0xc000



#define CARD_CONTROLLER_START	CARD_CONTROLLER_INDEX

#define CARD_CONTROLLER_END	CARD_CONTROLLER_DATA



#define IO_MAX_MAPS	2

#define MEM_MAX_MAPS	5



enum vrc4171_slot {

	SLOT_PROBE = 0,

	SLOT_NOPROBE_IO,

	SLOT_NOPROBE_MEM,

	SLOT_NOPROBE_ALL,

	SLOT_INITIALIZED,

};



enum vrc4171_slotb {

	SLOTB_IS_NONE,

	SLOTB_IS_PCCARD,

	SLOTB_IS_CF,

	SLOTB_IS_FLASHROM,

};



struct vrc4171_socket {

	enum vrc4171_slot slot;

	struct pcmcia_socket pcmcia_socket;

	char name[24];

	int csc_irq;

	int io_irq;

	spinlock_t lock;

};



static struct vrc4171_socket vrc4171_sockets[CARD_MAX_SLOTS];

static enum vrc4171_slotb vrc4171_slotb = SLOTB_IS_NONE;

static char vrc4171_card_name[] = "NEC VRC4171 Card Controller";

static unsigned int vrc4171_irq;

static uint16_t vrc4171_irq_mask = 0xdeb8;



static struct resource vrc4171_card_resource[3] = {

	{	.name		= vrc4171_card_name,

		.start		= CARD_CONTROLLER_START,

		.end		= CARD_CONTROLLER_END,

		.flags		= IORESOURCE_IO,	},

	{	.name		= vrc4171_card_name,

		.start		= INTERRUPT_STATUS,

		.end		= INTERRUPT_STATUS,

		.flags		= IORESOURCE_IO,	},

	{	.name		= vrc4171_card_name,

		.start		= CONFIGURATION1,

		.end		= CONFIGURATION1,

		.flags		= IORESOURCE_IO,	},

};



static struct platform_device vrc4171_card_device = {

	.name		= vrc4171_card_name,

	.id		= 0,

	.num_resources	= 3,

	.resource	= vrc4171_card_resource,

};



static inline uint16_t vrc4171_get_irq_status(void)

{

	return inw(INTERRUPT_STATUS);

}



static inline void vrc4171_set_multifunction_pin(enum vrc4171_slotb config)

{

	uint16_t config1;



	config1 = inw(CONFIGURATION1);

	config1 &= ~SLOTB_CONFIG;



	switch (config) {

	case SLOTB_IS_NONE:

		config1 |= SLOTB_NONE;

		break;

	case SLOTB_IS_PCCARD:

		config1 |= SLOTB_PCCARD;

		break;

	case SLOTB_IS_CF:

		config1 |= SLOTB_CF;

		break;

	case SLOTB_IS_FLASHROM:

		config1 |= SLOTB_FLASHROM;

		break;

	default:

		break;

	}



	outw(config1, CONFIGURATION1);

}



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)

{

	struct vrc4171_socket *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();

	spin_lock_init(&socket->lock);



	return 0;

}



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 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)

{

	struct vrc4171_socket *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(&socket->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(&socket->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->res->start < CARD_MEM_START || mem->res->start > CARD_MEM_END ||

	    mem->res->end < CARD_MEM_START || mem->res->end > CARD_MEM_END ||

	    mem->res->start > mem->res->end ||

	    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->res->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->res->end >> 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,

	.get_status		= pccard_get_status,

	.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 vrc4171_socket *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->slot == SLOT_INITIALIZED) {

			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->slot == SLOT_INITIALIZED) {

			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 vrc4171_add_sockets(void)

{

	struct vrc4171_socket *socket;

	int slot, retval;



	for (slot = 0; slot < CARD_MAX_SLOTS; slot++) {

		if (slot == CARD_SLOTB && vrc4171_slotb == SLOTB_IS_NONE)

			continue;



		socket = &vrc4171_sockets[slot];

		if (socket->slot != SLOT_PROBE) {

			uint8_t addrwin;



			switch (socket->slot) {

			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);

			continue;

		}



		sprintf(socket->name, "NEC VRC4171 Card Slot %1c", 'A' + slot);

		socket->pcmcia_socket.dev.parent = &vrc4171_card_device.dev;

		socket->pcmcia_socket.ops = &vrc4171_pccard_operations;

		socket->pcmcia_socket.owner = THIS_MODULE;



		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);



		socket->slot = SLOT_INITIALIZED;

	}



	return 0;

}



static void vrc4171_remove_sockets(void)

{

	struct vrc4171_socket *socket;

	int slot;



	for (slot = 0; slot < CARD_MAX_SLOTS; slot++) {

		if (slot == CARD_SLOTB && vrc4171_slotb == SLOTB_IS_NONE)

			continue;



		socket = &vrc4171_sockets[slot];

		if (socket->slot == SLOT_INITIALIZED)

			pcmcia_unregister_socket(&socket->pcmcia_socket);



		socket->slot = SLOT_PROBE;

	}

}



static int vrc4171_card_setup(char *options)

{

	if (options == NULL || *options == '\0')

		return 1;



	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 1;

		options++;

	}



	if (strncmp(options, "slota:", 6) == 0) {

		options += 6;

		if (*options != '\0') {

			if (strncmp(options, "memnoprobe", 10) == 0) {

				vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_MEM;

				options += 10;

			} else if (strncmp(options, "ionoprobe", 9) == 0) {

				vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_IO;

				options += 9;

			} else if ( strncmp(options, "noprobe", 7) == 0) {

				vrc4171_sockets[CARD_SLOTA].slot = SLOT_NOPROBE_ALL;

				options += 7;

			}



			if (*options != ',')

				return 1;

			options++;

		} else

			return 1;



	}



	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 1;

			options++;



			if (strncmp(options, "memnoprobe", 10) == 0)

				vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_MEM;

			if (strncmp(options, "ionoprobe", 9) == 0)

				vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_IO;

			if (strncmp(options, "noprobe", 7) == 0)

				vrc4171_sockets[CARD_SLOTB].slot = SLOT_NOPROBE_ALL;

		}

	}



	return 1;

}



__setup("vrc4171_card=", vrc4171_card_setup);



static struct platform_driver vrc4171_card_driver = {

	.driver = {

		.name		= vrc4171_card_name,

	},

};



static int vrc4171_card_init(void)

{

	int retval;



	retval = platform_driver_register(&vrc4171_card_driver);

	if (retval < 0)

		return retval;



	retval = platform_device_register(&vrc4171_card_device);

	if (retval < 0) {

		platform_driver_unregister(&vrc4171_card_driver);

		return retval;

	}



	vrc4171_set_multifunction_pin(vrc4171_slotb);



	retval = vrc4171_add_sockets();

	if (retval == 0)

		retval = request_irq(vrc4171_irq, pccard_interrupt, IRQF_SHARED,

		                     vrc4171_card_name, vrc4171_sockets);



	if (retval < 0) {

		vrc4171_remove_sockets();

		platform_device_unregister(&vrc4171_card_device);

		platform_driver_unregister(&vrc4171_card_driver);

		return retval;

	}



	printk(KERN_INFO "%s, connected to IRQ %d\n",

		vrc4171_card_driver.driver.name, vrc4171_irq);



	return 0;

}



static void vrc4171_card_exit(void)

{

	free_irq(vrc4171_irq, vrc4171_sockets);

	vrc4171_remove_sockets();

	platform_device_unregister(&vrc4171_card_device);

	platform_driver_unregister(&vrc4171_card_driver);

}



module_init(vrc4171_card_init);

module_exit(vrc4171_card_exit);