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path: root/drivers/pcmcia/vrc4171_card.c
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Diffstat (limited to 'drivers/pcmcia/vrc4171_card.c')
-rw-r--r--drivers/pcmcia/vrc4171_card.c745
1 files changed, 745 insertions, 0 deletions
diff --git a/drivers/pcmcia/vrc4171_card.c b/drivers/pcmcia/vrc4171_card.c
new file mode 100644
index 000000000..177d77892
--- /dev/null
+++ b/drivers/pcmcia/vrc4171_card.c
@@ -0,0 +1,745 @@
+// 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);
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-13 10:22:48 +0000