yenta_socket.c

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/*
 * Regular cardbus driver ("yenta_socket")
 *
 * (C) Copyright 1999, 2000 Linus Torvalds
 *
 * Changelog:
 * Aug 2002: Manfred Spraul <[email protected]>
 *  Dynamically adjust the size of the bridge resource
 *
 * May 2003: Dominik Brodowski <[email protected]>
 *  Merge pci_socket.c and yenta.c into one file
 */
#include <linux/init.h>
#include <linux/pci.h>
#include <linux/workqueue.h>
#include <linux/interrupt.h>
#include <linux/delay.h>
#include <linux/module.h>
#include <linux/io.h>
#include <linux/slab.h>

#include <pcmcia/ss.h>

#include "yenta_socket.h"
#include "i82365.h"

static bool disable_clkrun;
module_param(disable_clkrun, bool, 0444);
MODULE_PARM_DESC(disable_clkrun, "If PC card doesn't function properly, please try this option");

static bool isa_probe = 1;
module_param(isa_probe, bool, 0444);
MODULE_PARM_DESC(isa_probe, "If set ISA interrupts are probed (default). Set to N to disable probing");

static bool pwr_irqs_off;
module_param(pwr_irqs_off, bool, 0644);
MODULE_PARM_DESC(pwr_irqs_off, "Force IRQs off during power-on of slot. Use only when seeing IRQ storms!");

static char o2_speedup[] = "default";
module_param_string(o2_speedup, o2_speedup, sizeof(o2_speedup), 0444);
MODULE_PARM_DESC(o2_speedup, "Use prefetch/burst for O2-bridges: 'on', 'off' "
    "or 'default' (uses recommended behaviour for the detected bridge)");

/*
 * Only probe "regular" interrupts, don't
 * touch dangerous spots like the mouse irq,
 * because there are mice that apparently
 * get really confused if they get fondled
 * too intimately.
 *
 * Default to 11, 10, 9, 7, 6, 5, 4, 3.
 */
static u32 isa_interrupts = 0x0ef8;


#define debug(x, s, args...) dev_dbg(&s->dev->dev, x, ##args)

/* Don't ask.. */
#define to_cycles(ns)   ((ns)/120)
#define to_ns(cycles)   ((cycles)*120)

/*
 * yenta PCI irq probing.
 * currently only used in the TI/EnE initialization code
 */
#ifdef CONFIG_YENTA_TI
static int yenta_probe_cb_irq(struct yenta_socket *socket);
static unsigned int yenta_probe_irq(struct yenta_socket *socket,
                u32 isa_irq_mask);
#endif


static unsigned int override_bios;
module_param(override_bios, uint, 0000);
MODULE_PARM_DESC(override_bios, "yenta ignore bios resource allocation");

/*
 * Generate easy-to-use ways of reading a cardbus sockets
 * regular memory space ("cb_xxx"), configuration space
 * ("config_xxx") and compatibility space ("exca_xxxx")
 */
static inline u32 cb_readl(struct yenta_socket *socket, unsigned reg)
{
    u32 val = readl(socket->base + reg);
    debug("%04x %08x\n", socket, reg, val);
    return val;
}

static inline void cb_writel(struct yenta_socket *socket, unsigned reg, u32 val)
{
    debug("%04x %08x\n", socket, reg, val);
    writel(val, socket->base + reg);
    readl(socket->base + reg); /* avoid problems with PCI write posting */
}

static inline u8 config_readb(struct yenta_socket *socket, unsigned offset)
{
    u8 val;
    pci_read_config_byte(socket->dev, offset, &val);
    debug("%04x %02x\n", socket, offset, val);
    return val;
}

static inline u16 config_readw(struct yenta_socket *socket, unsigned offset)
{
    u16 val;
    pci_read_config_word(socket->dev, offset, &val);
    debug("%04x %04x\n", socket, offset, val);
    return val;
}

static inline u32 config_readl(struct yenta_socket *socket, unsigned offset)
{
    u32 val;
    pci_read_config_dword(socket->dev, offset, &val);
    debug("%04x %08x\n", socket, offset, val);
    return val;
}

static inline void config_writeb(struct yenta_socket *socket, unsigned offset, u8 val)
{
    debug("%04x %02x\n", socket, offset, val);
    pci_write_config_byte(socket->dev, offset, val);
}

static inline void config_writew(struct yenta_socket *socket, unsigned offset, u16 val)
{
    debug("%04x %04x\n", socket, offset, val);
    pci_write_config_word(socket->dev, offset, val);
}

static inline void config_writel(struct yenta_socket *socket, unsigned offset, u32 val)
{
    debug("%04x %08x\n", socket, offset, val);
    pci_write_config_dword(socket->dev, offset, val);
}

static inline u8 exca_readb(struct yenta_socket *socket, unsigned reg)
{
    u8 val = readb(socket->base + 0x800 + reg);
    debug("%04x %02x\n", socket, reg, val);
    return val;
}

static inline u8 exca_readw(struct yenta_socket *socket, unsigned reg)
{
    u16 val;
    val = readb(socket->base + 0x800 + reg);
    val |= readb(socket->base + 0x800 + reg + 1) << 8;
    debug("%04x %04x\n", socket, reg, val);
    return val;
}

static inline void exca_writeb(struct yenta_socket *socket, unsigned reg, u8 val)
{
    debug("%04x %02x\n", socket, reg, val);
    writeb(val, socket->base + 0x800 + reg);
    readb(socket->base + 0x800 + reg); /* PCI write posting... */
}

static void exca_writew(struct yenta_socket *socket, unsigned reg, u16 val)
{
    debug("%04x %04x\n", socket, reg, val);
    writeb(val, socket->base + 0x800 + reg);
    writeb(val >> 8, socket->base + 0x800 + reg + 1);

    /* PCI write posting... */
    readb(socket->base + 0x800 + reg);
    readb(socket->base + 0x800 + reg + 1);
}

static ssize_t show_yenta_registers(struct device *yentadev, struct device_attribute *attr, char *buf)
{
    struct pci_dev *dev = to_pci_dev(yentadev);
    struct yenta_socket *socket = pci_get_drvdata(dev);
    int offset = 0, i;

    offset = snprintf(buf, PAGE_SIZE, "CB registers:");
    for (i = 0; i < 0x24; i += 4) {
        unsigned val;
        if (!(i & 15))
            offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i);
        val = cb_readl(socket, i);
        offset += snprintf(buf + offset, PAGE_SIZE - offset, " %08x", val);
    }

    offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n\nExCA registers:");
    for (i = 0; i < 0x45; i++) {
        unsigned char val;
        if (!(i & 7)) {
            if (i & 8) {
                memcpy(buf + offset, " -", 2);
                offset += 2;
            } else
                offset += snprintf(buf + offset, PAGE_SIZE - offset, "\n%02x:", i);
        }
        val = exca_readb(socket, i);
        offset += snprintf(buf + offset, PAGE_SIZE - offset, " %02x", val);
    }
    buf[offset++] = '\n';
    return offset;
}

static DEVICE_ATTR(yenta_registers, S_IRUSR, show_yenta_registers, NULL);

/*
 * Ugh, mixed-mode cardbus and 16-bit pccard state: things depend
 * on what kind of card is inserted..
 */
static int yenta_get_status(struct pcmcia_socket *sock, unsigned int *value)
{
    struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
    unsigned int val;
    u32 state = cb_readl(socket, CB_SOCKET_STATE);

    val  = (state & CB_3VCARD) ? SS_3VCARD : 0;
    val |= (state & CB_XVCARD) ? SS_XVCARD : 0;
    val |= (state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ? 0 : SS_PENDING;
    val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? SS_PENDING : 0;


    if (state & CB_CBCARD) {
        val |= SS_CARDBUS;
        val |= (state & CB_CARDSTS) ? SS_STSCHG : 0;
        val |= (state & (CB_CDETECT1 | CB_CDETECT2)) ? 0 : SS_DETECT;
        val |= (state & CB_PWRCYCLE) ? SS_POWERON | SS_READY : 0;
    } else if (state & CB_16BITCARD) {
        u8 status = exca_readb(socket, I365_STATUS);
        val |= ((status & I365_CS_DETECT) == I365_CS_DETECT) ? SS_DETECT : 0;
        if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
            val |= (status & I365_CS_STSCHG) ? 0 : SS_STSCHG;
        } else {
            val |= (status & I365_CS_BVD1) ? 0 : SS_BATDEAD;
            val |= (status & I365_CS_BVD2) ? 0 : SS_BATWARN;
        }
        val |= (status & I365_CS_WRPROT) ? SS_WRPROT : 0;
        val |= (status & I365_CS_READY) ? SS_READY : 0;
        val |= (status & I365_CS_POWERON) ? SS_POWERON : 0;
    }

    *value = val;
    return 0;
}

static void yenta_set_power(struct yenta_socket *socket, socket_state_t *state)
{
    /* some birdges require to use the ExCA registers to power 16bit cards */
    if (!(cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) &&
        (socket->flags & YENTA_16BIT_POWER_EXCA)) {
        u8 reg, old;
        reg = old = exca_readb(socket, I365_POWER);
        reg &= ~(I365_VCC_MASK | I365_VPP1_MASK | I365_VPP2_MASK);

        /* i82365SL-DF style */
        if (socket->flags & YENTA_16BIT_POWER_DF) {
            switch (state->Vcc) {
            case 33:
                reg |= I365_VCC_3V;
                break;
            case 50:
                reg |= I365_VCC_5V;
                break;
            default:
                reg = 0;
                break;
            }
            switch (state->Vpp) {
            case 33:
            case 50:
                reg |= I365_VPP1_5V;
                break;
            case 120:
                reg |= I365_VPP1_12V;
                break;
            }
        } else {
            /* i82365SL-B style */
            switch (state->Vcc) {
            case 50:
                reg |= I365_VCC_5V;
                break;
            default:
                reg = 0;
                break;
            }
            switch (state->Vpp) {
            case 50:
                reg |= I365_VPP1_5V | I365_VPP2_5V;
                break;
            case 120:
                reg |= I365_VPP1_12V | I365_VPP2_12V;
                break;
            }
        }

        if (reg != old)
            exca_writeb(socket, I365_POWER, reg);
    } else {
        u32 reg = 0;    /* CB_SC_STPCLK? */
        switch (state->Vcc) {
        case 33:
            reg = CB_SC_VCC_3V;
            break;
        case 50:
            reg = CB_SC_VCC_5V;
            break;
        default:
            reg = 0;
            break;
        }
        switch (state->Vpp) {
        case 33:
            reg |= CB_SC_VPP_3V;
            break;
        case 50:
            reg |= CB_SC_VPP_5V;
            break;
        case 120:
            reg |= CB_SC_VPP_12V;
            break;
        }
        if (reg != cb_readl(socket, CB_SOCKET_CONTROL))
            cb_writel(socket, CB_SOCKET_CONTROL, reg);
    }
}

static int yenta_set_socket(struct pcmcia_socket *sock, socket_state_t *state)
{
    struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
    u16 bridge;

    /* if powering down: do it immediately */
    if (state->Vcc == 0)
        yenta_set_power(socket, state);

    socket->io_irq = state->io_irq;
    bridge = config_readw(socket, CB_BRIDGE_CONTROL) & ~(CB_BRIDGE_CRST | CB_BRIDGE_INTR);
    if (cb_readl(socket, CB_SOCKET_STATE) & CB_CBCARD) {
        u8 intr;
        bridge |= (state->flags & SS_RESET) ? CB_BRIDGE_CRST : 0;

        /* ISA interrupt control? */
        intr = exca_readb(socket, I365_INTCTL);
        intr = (intr & ~0xf);
        if (!socket->dev->irq) {
            intr |= socket->cb_irq ? socket->cb_irq : state->io_irq;
            bridge |= CB_BRIDGE_INTR;
        }
        exca_writeb(socket, I365_INTCTL, intr);
    }  else {
        u8 reg;

        reg = exca_readb(socket, I365_INTCTL) & (I365_RING_ENA | I365_INTR_ENA);
        reg |= (state->flags & SS_RESET) ? 0 : I365_PC_RESET;
        reg |= (state->flags & SS_IOCARD) ? I365_PC_IOCARD : 0;
        if (state->io_irq != socket->dev->irq) {
            reg |= state->io_irq;
            bridge |= CB_BRIDGE_INTR;
        }
        exca_writeb(socket, I365_INTCTL, reg);

        reg = exca_readb(socket, I365_POWER) & (I365_VCC_MASK|I365_VPP1_MASK);
        reg |= I365_PWR_NORESET;
        if (state->flags & SS_PWR_AUTO)
            reg |= I365_PWR_AUTO;
        if (state->flags & SS_OUTPUT_ENA)
            reg |= I365_PWR_OUT;
        if (exca_readb(socket, I365_POWER) != reg)
            exca_writeb(socket, I365_POWER, reg);

        /* CSC interrupt: no ISA irq for CSC */
        reg = exca_readb(socket, I365_CSCINT);
        reg &= I365_CSC_IRQ_MASK;
        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;
        }
        exca_writeb(socket, I365_CSCINT, reg);
        exca_readb(socket, I365_CSC);
        if (sock->zoom_video)
            sock->zoom_video(sock, state->flags & SS_ZVCARD);
    }
    config_writew(socket, CB_BRIDGE_CONTROL, bridge);
    /* Socket event mask: get card insert/remove events.. */
    cb_writel(socket, CB_SOCKET_EVENT, -1);
    cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);

    /* if powering up: do it as the last step when the socket is configured */
    if (state->Vcc != 0)
        yenta_set_power(socket, state);
    return 0;
}

static int yenta_set_io_map(struct pcmcia_socket *sock, struct pccard_io_map *io)
{
    struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
    int map;
    unsigned char ioctl, addr, enable;

    map = io->map;

    if (map > 1)
        return -EINVAL;

    enable = I365_ENA_IO(map);
    addr = exca_readb(socket, I365_ADDRWIN);

    /* Disable the window before changing it.. */
    if (addr & enable) {
        addr &= ~enable;
        exca_writeb(socket, I365_ADDRWIN, addr);
    }

    exca_writew(socket, I365_IO(map)+I365_W_START, io->start);
    exca_writew(socket, I365_IO(map)+I365_W_STOP, io->stop);

    ioctl = exca_readb(socket, 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);
    exca_writeb(socket, I365_IOCTL, ioctl);

    if (io->flags & MAP_ACTIVE)
        exca_writeb(socket, I365_ADDRWIN, addr | enable);
    return 0;
}

static int yenta_set_mem_map(struct pcmcia_socket *sock, struct pccard_mem_map *mem)
{
    struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);
    struct pci_bus_region region;
    int map;
    unsigned char addr, enable;
    unsigned int start, stop, card_start;
    unsigned short word;

    pcibios_resource_to_bus(socket->dev, &region, mem->res);

    map = mem->map;
    start = region.start;
    stop = region.end;
    card_start = mem->card_start;

    if (map > 4 || start > stop || ((start ^ stop) >> 24) ||
        (card_start >> 26) || mem->speed > 1000)
        return -EINVAL;

    enable = I365_ENA_MEM(map);
    addr = exca_readb(socket, I365_ADDRWIN);
    if (addr & enable) {
        addr &= ~enable;
        exca_writeb(socket, I365_ADDRWIN, addr);
    }

    exca_writeb(socket, CB_MEM_PAGE(map), start >> 24);

    word = (start >> 12) & 0x0fff;
    if (mem->flags & MAP_16BIT)
        word |= I365_MEM_16BIT;
    if (mem->flags & MAP_0WS)
        word |= I365_MEM_0WS;
    exca_writew(socket, I365_MEM(map) + I365_W_START, word);

    word = (stop >> 12) & 0x0fff;
    switch (to_cycles(mem->speed)) {
    case 0:
        break;
    case 1:
        word |= I365_MEM_WS0;
        break;
    case 2:
        word |= I365_MEM_WS1;
        break;
    default:
        word |= I365_MEM_WS1 | I365_MEM_WS0;
        break;
    }
    exca_writew(socket, I365_MEM(map) + I365_W_STOP, word);

    word = ((card_start - start) >> 12) & 0x3fff;
    if (mem->flags & MAP_WRPROT)
        word |= I365_MEM_WRPROT;
    if (mem->flags & MAP_ATTRIB)
        word |= I365_MEM_REG;
    exca_writew(socket, I365_MEM(map) + I365_W_OFF, word);

    if (mem->flags & MAP_ACTIVE)
        exca_writeb(socket, I365_ADDRWIN, addr | enable);
    return 0;
}



static irqreturn_t yenta_interrupt(int irq, void *dev_id)
{
    unsigned int events;
    struct yenta_socket *socket = (struct yenta_socket *) dev_id;
    u8 csc;
    u32 cb_event;

    /* Clear interrupt status for the event */
    cb_event = cb_readl(socket, CB_SOCKET_EVENT);
    cb_writel(socket, CB_SOCKET_EVENT, cb_event);

    csc = exca_readb(socket, I365_CSC);

    if (!(cb_event || csc))
        return IRQ_NONE;

    events = (cb_event & (CB_CD1EVENT | CB_CD2EVENT)) ? SS_DETECT : 0 ;
    events |= (csc & I365_CSC_DETECT) ? SS_DETECT : 0;
    if (exca_readb(socket, I365_INTCTL) & I365_PC_IOCARD) {
        events |= (csc & I365_CSC_STSCHG) ? SS_STSCHG : 0;
    } else {
        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(&socket->socket, events);

    return IRQ_HANDLED;
}

static void yenta_interrupt_wrapper(unsigned long data)
{
    struct yenta_socket *socket = (struct yenta_socket *) data;

    yenta_interrupt(0, (void *)socket);
    socket->poll_timer.expires = jiffies + HZ;
    add_timer(&socket->poll_timer);
}

static void yenta_clear_maps(struct yenta_socket *socket)
{
    int i;
    struct resource res = { .start = 0, .end = 0x0fff };
    pccard_io_map io = { 0, 0, 0, 0, 1 };
    pccard_mem_map mem = { .res = &res, };

    yenta_set_socket(&socket->socket, &dead_socket);
    for (i = 0; i < 2; i++) {
        io.map = i;
        yenta_set_io_map(&socket->socket, &io);
    }
    for (i = 0; i < 5; i++) {
        mem.map = i;
        yenta_set_mem_map(&socket->socket, &mem);
    }
}

/* redoes voltage interrogation if required */
static void yenta_interrogate(struct yenta_socket *socket)
{
    u32 state;

    state = cb_readl(socket, CB_SOCKET_STATE);
    if (!(state & (CB_5VCARD | CB_3VCARD | CB_XVCARD | CB_YVCARD)) ||
        (state & (CB_CDETECT1 | CB_CDETECT2 | CB_NOTACARD | CB_BADVCCREQ)) ||
        ((state & (CB_16BITCARD | CB_CBCARD)) == (CB_16BITCARD | CB_CBCARD)))
        cb_writel(socket, CB_SOCKET_FORCE, CB_CVSTEST);
}

/* Called at resume and initialization events */
static int yenta_sock_init(struct pcmcia_socket *sock)
{
    struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);

    exca_writeb(socket, I365_GBLCTL, 0x00);
    exca_writeb(socket, I365_GENCTL, 0x00);

    /* Redo card voltage interrogation */
    yenta_interrogate(socket);

    yenta_clear_maps(socket);

    if (socket->type && socket->type->sock_init)
        socket->type->sock_init(socket);

    /* Re-enable CSC interrupts */
    cb_writel(socket, CB_SOCKET_MASK, CB_CDMASK);

    return 0;
}

static int yenta_sock_suspend(struct pcmcia_socket *sock)
{
    struct yenta_socket *socket = container_of(sock, struct yenta_socket, socket);

    /* Disable CSC interrupts */
    cb_writel(socket, CB_SOCKET_MASK, 0x0);

    return 0;
}

/*
 * Use an adaptive allocation for the memory resource,
 * sometimes the memory behind pci bridges is limited:
 * 1/8 of the size of the io window of the parent.
 * max 4 MB, min 16 kB. We try very hard to not get below
 * the "ACC" values, though.
 */
#define BRIDGE_MEM_MAX (4*1024*1024)
#define BRIDGE_MEM_ACC (128*1024)
#define BRIDGE_MEM_MIN (16*1024)

#define BRIDGE_IO_MAX 512
#define BRIDGE_IO_ACC 256
#define BRIDGE_IO_MIN 32

#ifndef PCIBIOS_MIN_CARDBUS_IO
#define PCIBIOS_MIN_CARDBUS_IO PCIBIOS_MIN_IO
#endif

static int yenta_search_one_res(struct resource *root, struct resource *res,
                u32 min)
{
    u32 align, size, start, end;

    if (res->flags & IORESOURCE_IO) {
        align = 1024;
        size = BRIDGE_IO_MAX;
        start = PCIBIOS_MIN_CARDBUS_IO;
        end = ~0U;
    } else {
        unsigned long avail = root->end - root->start;
        int i;
        size = BRIDGE_MEM_MAX;
        if (size > avail/8) {
            size = (avail+1)/8;
            /* round size down to next power of 2 */
            i = 0;
            while ((size /= 2) != 0)
                i++;
            size = 1 << i;
        }
        if (size < min)
            size = min;
        align = size;
        start = PCIBIOS_MIN_MEM;
        end = ~0U;
    }

    do {
        if (allocate_resource(root, res, size, start, end, align,
                      NULL, NULL) == 0) {
            return 1;
        }
        size = size/2;
        align = size;
    } while (size >= min);

    return 0;
}


static int yenta_search_res(struct yenta_socket *socket, struct resource *res,
                u32 min)
{
    struct resource *root;
    int i;

    pci_bus_for_each_resource(socket->dev->bus, root, i) {
        if (!root)
            continue;

        if ((res->flags ^ root->flags) &
            (IORESOURCE_IO | IORESOURCE_MEM | IORESOURCE_PREFETCH))
            continue; /* Wrong type */

        if (yenta_search_one_res(root, res, min))
            return 1;
    }
    return 0;
}

static int yenta_allocate_res(struct yenta_socket *socket, int nr, unsigned type, int addr_start, int addr_end)
{
    struct pci_dev *dev = socket->dev;
    struct resource *res;
    struct pci_bus_region region;
    unsigned mask;

    res = dev->resource + PCI_BRIDGE_RESOURCES + nr;
    /* Already allocated? */
    if (res->parent)
        return 0;

    /* The granularity of the memory limit is 4kB, on IO it's 4 bytes */
    mask = ~0xfff;
    if (type & IORESOURCE_IO)
        mask = ~3;

    res->name = dev->subordinate->name;
    res->flags = type;

    region.start = config_readl(socket, addr_start) & mask;
    region.end = config_readl(socket, addr_end) | ~mask;
    if (region.start && region.end > region.start && !override_bios) {
        pcibios_bus_to_resource(dev, res, &region);
        if (pci_claim_resource(dev, PCI_BRIDGE_RESOURCES + nr) == 0)
            return 0;
        dev_printk(KERN_INFO, &dev->dev,
               "Preassigned resource %d busy or not available, "
               "reconfiguring...\n",
               nr);
    }

    if (type & IORESOURCE_IO) {
        if ((yenta_search_res(socket, res, BRIDGE_IO_MAX)) ||
            (yenta_search_res(socket, res, BRIDGE_IO_ACC)) ||
            (yenta_search_res(socket, res, BRIDGE_IO_MIN)))
            return 1;
    } else {
        if (type & IORESOURCE_PREFETCH) {
            if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
                (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
                (yenta_search_res(socket, res, BRIDGE_MEM_MIN)))
                return 1;
            /* Approximating prefetchable by non-prefetchable */
            res->flags = IORESOURCE_MEM;
        }
        if ((yenta_search_res(socket, res, BRIDGE_MEM_MAX)) ||
            (yenta_search_res(socket, res, BRIDGE_MEM_ACC)) ||
            (yenta_search_res(socket, res, BRIDGE_MEM_MIN)))
            return 1;
    }

    dev_printk(KERN_INFO, &dev->dev,
           "no resource of type %x available, trying to continue...\n",
           type);
    res->start = res->end = res->flags = 0;
    return 0;
}

/*
 * Allocate the bridge mappings for the device..
 */
static void yenta_allocate_resources(struct yenta_socket *socket)
{
    int program = 0;
    program += yenta_allocate_res(socket, 0, IORESOURCE_IO,
               PCI_CB_IO_BASE_0, PCI_CB_IO_LIMIT_0);
    program += yenta_allocate_res(socket, 1, IORESOURCE_IO,
               PCI_CB_IO_BASE_1, PCI_CB_IO_LIMIT_1);
    program += yenta_allocate_res(socket, 2, IORESOURCE_MEM|IORESOURCE_PREFETCH,
               PCI_CB_MEMORY_BASE_0, PCI_CB_MEMORY_LIMIT_0);
    program += yenta_allocate_res(socket, 3, IORESOURCE_MEM,
               PCI_CB_MEMORY_BASE_1, PCI_CB_MEMORY_LIMIT_1);
    if (program)
        pci_setup_cardbus(socket->dev->subordinate);
}


/*
 * Free the bridge mappings for the device..
 */
static void yenta_free_resources(struct yenta_socket *socket)
{
    int i;
    for (i = 0; i < 4; i++) {
        struct resource *res;
        res = socket->dev->resource + PCI_BRIDGE_RESOURCES + i;
        if (res->start != 0 && res->end != 0)
            release_resource(res);
        res->start = res->end = res->flags = 0;
    }
}


/*
 * Close it down - release our resources and go home..
 */
static void __devexit yenta_close(struct pci_dev *dev)
{
    struct yenta_socket *sock = pci_get_drvdata(dev);

    /* Remove the register attributes */
    device_remove_file(&dev->dev, &dev_attr_yenta_registers);

    /* we don't want a dying socket registered */
    pcmcia_unregister_socket(&sock->socket);

    /* Disable all events so we don't die in an IRQ storm */
    cb_writel(sock, CB_SOCKET_MASK, 0x0);
    exca_writeb(sock, I365_CSCINT, 0);

    if (sock->cb_irq)
        free_irq(sock->cb_irq, sock);
    else
        del_timer_sync(&sock->poll_timer);

    if (sock->base)
        iounmap(sock->base);
    yenta_free_resources(sock);

    pci_release_regions(dev);
    pci_disable_device(dev);
    pci_set_drvdata(dev, NULL);
}


static struct pccard_operations yenta_socket_operations = {
    .init           = yenta_sock_init,
    .suspend        = yenta_sock_suspend,
    .get_status     = yenta_get_status,
    .set_socket     = yenta_set_socket,
    .set_io_map     = yenta_set_io_map,
    .set_mem_map        = yenta_set_mem_map,
};


#ifdef CONFIG_YENTA_TI
#include "ti113x.h"
#endif
#ifdef CONFIG_YENTA_RICOH
#include "ricoh.h"
#endif
#ifdef CONFIG_YENTA_TOSHIBA
#include "topic.h"
#endif
#ifdef CONFIG_YENTA_O2
#include "o2micro.h"
#endif

enum {
    CARDBUS_TYPE_DEFAULT = -1,
    CARDBUS_TYPE_TI,
    CARDBUS_TYPE_TI113X,
    CARDBUS_TYPE_TI12XX,
    CARDBUS_TYPE_TI1250,
    CARDBUS_TYPE_RICOH,
    CARDBUS_TYPE_TOPIC95,
    CARDBUS_TYPE_TOPIC97,
    CARDBUS_TYPE_O2MICRO,
    CARDBUS_TYPE_ENE,
};

/*
 * Different cardbus controllers have slightly different
 * initialization sequences etc details. List them here..
 */
static struct cardbus_type cardbus_type[] = {
#ifdef CONFIG_YENTA_TI
    [CARDBUS_TYPE_TI]   = {
        .override   = ti_override,
        .save_state = ti_save_state,
        .restore_state  = ti_restore_state,
        .sock_init  = ti_init,
    },
    [CARDBUS_TYPE_TI113X]   = {
        .override   = ti113x_override,
        .save_state = ti_save_state,
        .restore_state  = ti_restore_state,
        .sock_init  = ti_init,
    },
    [CARDBUS_TYPE_TI12XX]   = {
        .override   = ti12xx_override,
        .save_state = ti_save_state,
        .restore_state  = ti_restore_state,
        .sock_init  = ti_init,
    },
    [CARDBUS_TYPE_TI1250]   = {
        .override   = ti1250_override,
        .save_state = ti_save_state,
        .restore_state  = ti_restore_state,
        .sock_init  = ti_init,
    },
    [CARDBUS_TYPE_ENE]  = {
        .override   = ene_override,
        .save_state = ti_save_state,
        .restore_state  = ti_restore_state,
        .sock_init  = ti_init,
    },
#endif
#ifdef CONFIG_YENTA_RICOH
    [CARDBUS_TYPE_RICOH]    = {
        .override   = ricoh_override,
        .save_state = ricoh_save_state,
        .restore_state  = ricoh_restore_state,
    },
#endif
#ifdef CONFIG_YENTA_TOSHIBA
    [CARDBUS_TYPE_TOPIC95]  = {
        .override   = topic95_override,
    },
    [CARDBUS_TYPE_TOPIC97]  = {
        .override   = topic97_override,
    },
#endif
#ifdef CONFIG_YENTA_O2
    [CARDBUS_TYPE_O2MICRO]  = {
        .override   = o2micro_override,
        .restore_state  = o2micro_restore_state,
    },
#endif
};


static unsigned int yenta_probe_irq(struct yenta_socket *socket, u32 isa_irq_mask)
{
    int i;
    unsigned long val;
    u32 mask;
    u8 reg;

    /*
     * Probe for usable interrupts using the force
     * register to generate bogus card status events.
     */
    cb_writel(socket, CB_SOCKET_EVENT, -1);
    cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
    reg = exca_readb(socket, I365_CSCINT);
    exca_writeb(socket, I365_CSCINT, 0);
    val = probe_irq_on() & isa_irq_mask;
    for (i = 1; i < 16; i++) {
        if (!((val >> i) & 1))
            continue;
        exca_writeb(socket, I365_CSCINT, I365_CSC_STSCHG | (i << 4));
        cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);
        udelay(100);
        cb_writel(socket, CB_SOCKET_EVENT, -1);
    }
    cb_writel(socket, CB_SOCKET_MASK, 0);
    exca_writeb(socket, I365_CSCINT, reg);

    mask = probe_irq_mask(val) & 0xffff;

    return mask;
}


/*
 * yenta PCI irq probing.
 * currently only used in the TI/EnE initialization code
 */
#ifdef CONFIG_YENTA_TI

/* interrupt handler, only used during probing */
static irqreturn_t yenta_probe_handler(int irq, void *dev_id)
{
    struct yenta_socket *socket = (struct yenta_socket *) dev_id;
    u8 csc;
    u32 cb_event;

    /* Clear interrupt status for the event */
    cb_event = cb_readl(socket, CB_SOCKET_EVENT);
    cb_writel(socket, CB_SOCKET_EVENT, -1);
    csc = exca_readb(socket, I365_CSC);

    if (cb_event || csc) {
        socket->probe_status = 1;
        return IRQ_HANDLED;
    }

    return IRQ_NONE;
}

/* probes the PCI interrupt, use only on override functions */
static int yenta_probe_cb_irq(struct yenta_socket *socket)
{
    u8 reg = 0;

    if (!socket->cb_irq)
        return -1;

    socket->probe_status = 0;

    if (request_irq(socket->cb_irq, yenta_probe_handler, IRQF_SHARED, "yenta", socket)) {
        dev_printk(KERN_WARNING, &socket->dev->dev,
               "request_irq() in yenta_probe_cb_irq() failed!\n");
        return -1;
    }

    /* generate interrupt, wait */
    if (!socket->dev->irq)
        reg = exca_readb(socket, I365_CSCINT);
    exca_writeb(socket, I365_CSCINT, reg | I365_CSC_STSCHG);
    cb_writel(socket, CB_SOCKET_EVENT, -1);
    cb_writel(socket, CB_SOCKET_MASK, CB_CSTSMASK);
    cb_writel(socket, CB_SOCKET_FORCE, CB_FCARDSTS);

    msleep(100);

    /* disable interrupts */
    cb_writel(socket, CB_SOCKET_MASK, 0);
    exca_writeb(socket, I365_CSCINT, reg);
    cb_writel(socket, CB_SOCKET_EVENT, -1);
    exca_readb(socket, I365_CSC);

    free_irq(socket->cb_irq, socket);

    return (int) socket->probe_status;
}

#endif /* CONFIG_YENTA_TI */


/*
 * Set static data that doesn't need re-initializing..
 */
static void yenta_get_socket_capabilities(struct yenta_socket *socket, u32 isa_irq_mask)
{
    socket->socket.pci_irq = socket->cb_irq;
    if (isa_probe)
        socket->socket.irq_mask = yenta_probe_irq(socket, isa_irq_mask);
    else
        socket->socket.irq_mask = 0;

    dev_printk(KERN_INFO, &socket->dev->dev,
           "ISA IRQ mask 0x%04x, PCI irq %d\n",
           socket->socket.irq_mask, socket->cb_irq);
}

/*
 * Initialize the standard cardbus registers
 */
static void yenta_config_init(struct yenta_socket *socket)
{
    u16 bridge;
    struct pci_dev *dev = socket->dev;
    struct pci_bus_region region;

    pcibios_resource_to_bus(socket->dev, &region, &dev->resource[0]);

    config_writel(socket, CB_LEGACY_MODE_BASE, 0);
    config_writel(socket, PCI_BASE_ADDRESS_0, region.start);
    config_writew(socket, PCI_COMMAND,
            PCI_COMMAND_IO |
            PCI_COMMAND_MEMORY |
            PCI_COMMAND_MASTER |
            PCI_COMMAND_WAIT);

    /* MAGIC NUMBERS! Fixme */
    config_writeb(socket, PCI_CACHE_LINE_SIZE, L1_CACHE_BYTES / 4);
    config_writeb(socket, PCI_LATENCY_TIMER, 168);
    config_writel(socket, PCI_PRIMARY_BUS,
        (176 << 24) |              /* sec. latency timer */
        ((unsigned int)dev->subordinate->busn_res.end << 16) | /* subordinate bus */
        ((unsigned int)dev->subordinate->busn_res.start << 8) |  /* secondary bus */
        dev->subordinate->primary);        /* primary bus */

    /*
     * Set up the bridging state:
     *  - enable write posting.
     *  - memory window 0 prefetchable, window 1 non-prefetchable
     *  - PCI interrupts enabled if a PCI interrupt exists..
     */
    bridge = config_readw(socket, CB_BRIDGE_CONTROL);
    bridge &= ~(CB_BRIDGE_CRST | CB_BRIDGE_PREFETCH1 | CB_BRIDGE_ISAEN | CB_BRIDGE_VGAEN);
    bridge |= CB_BRIDGE_PREFETCH0 | CB_BRIDGE_POSTEN;
    config_writew(socket, CB_BRIDGE_CONTROL, bridge);
}

static void yenta_fixup_parent_bridge(struct pci_bus *cardbus_bridge)
{
    struct list_head *tmp;
    unsigned char upper_limit;
    /*
     * We only check and fix the parent bridge: All systems which need
     * this fixup that have been reviewed are laptops and the only bridge
     * which needed fixing was the parent bridge of the CardBus bridge:
     */
    struct pci_bus *bridge_to_fix = cardbus_bridge->parent;

    /* Check bus numbers are already set up correctly: */
    if (bridge_to_fix->busn_res.end >= cardbus_bridge->busn_res.end)
        return; /* The subordinate number is ok, nothing to do */

    if (!bridge_to_fix->parent)
        return; /* Root bridges are ok */

    /* stay within the limits of the bus range of the parent: */
    upper_limit = bridge_to_fix->parent->busn_res.end;

    /* check the bus ranges of all silbling bridges to prevent overlap */
    list_for_each(tmp, &bridge_to_fix->parent->children) {
        struct pci_bus *silbling = pci_bus_b(tmp);
        /*
         * If the silbling has a higher secondary bus number
         * and it's secondary is equal or smaller than our
         * current upper limit, set the new upper limit to
         * the bus number below the silbling's range:
         */
        if (silbling->busn_res.start > bridge_to_fix->busn_res.end
            && silbling->busn_res.start <= upper_limit)
            upper_limit = silbling->busn_res.start - 1;
    }

    /* Show that the wanted subordinate number is not possible: */
    if (cardbus_bridge->busn_res.end > upper_limit)
        dev_printk(KERN_WARNING, &cardbus_bridge->dev,
               "Upper limit for fixing this "
               "bridge's parent bridge: #%02x\n", upper_limit);

    /* If we have room to increase the bridge's subordinate number, */
    if (bridge_to_fix->busn_res.end < upper_limit) {

        /* use the highest number of the hidden bus, within limits */
        unsigned char subordinate_to_assign =
            min_t(int, cardbus_bridge->busn_res.end, upper_limit);

        dev_printk(KERN_INFO, &bridge_to_fix->dev,
               "Raising subordinate bus# of parent "
               "bus (#%02x) from #%02x to #%02x\n",
               bridge_to_fix->number,
               (int)bridge_to_fix->busn_res.end, subordinate_to_assign);

        /* Save the new subordinate in the bus struct of the bridge */
        bridge_to_fix->busn_res.end = subordinate_to_assign;

        /* and update the PCI config space with the new subordinate */
        pci_write_config_byte(bridge_to_fix->self,
            PCI_SUBORDINATE_BUS, bridge_to_fix->busn_res.end);
    }
}

/*
 * Initialize a cardbus controller. Make sure we have a usable
 * interrupt, and that we can map the cardbus area. Fill in the
 * socket information structure..
 */
static int __devinit yenta_probe(struct pci_dev *dev, const struct pci_device_id *id)
{
    struct yenta_socket *socket;
    int ret;

    /*
     * If we failed to assign proper bus numbers for this cardbus
     * controller during PCI probe, its subordinate pci_bus is NULL.
     * Bail out if so.
     */
    if (!dev->subordinate) {
        dev_printk(KERN_ERR, &dev->dev, "no bus associated! "
               "(try 'pci=assign-busses')\n");
        return -ENODEV;
    }

    socket = kzalloc(sizeof(struct yenta_socket), GFP_KERNEL);
    if (!socket)
        return -ENOMEM;

    /* prepare pcmcia_socket */
    socket->socket.ops = &yenta_socket_operations;
    socket->socket.resource_ops = &pccard_nonstatic_ops;
    socket->socket.dev.parent = &dev->dev;
    socket->socket.driver_data = socket;
    socket->socket.owner = THIS_MODULE;
    socket->socket.features = SS_CAP_PAGE_REGS | SS_CAP_PCCARD;
    socket->socket.map_size = 0x1000;
    socket->socket.cb_dev = dev;

    /* prepare struct yenta_socket */
    socket->dev = dev;
    pci_set_drvdata(dev, socket);

    /*
     * Do some basic sanity checking..
     */
    if (pci_enable_device(dev)) {
        ret = -EBUSY;
        goto free;
    }

    ret = pci_request_regions(dev, "yenta_socket");
    if (ret)
        goto disable;

    if (!pci_resource_start(dev, 0)) {
        dev_printk(KERN_ERR, &dev->dev, "No cardbus resource!\n");
        ret = -ENODEV;
        goto release;
    }

    /*
     * Ok, start setup.. Map the cardbus registers,
     * and request the IRQ.
     */
    socket->base = ioremap(pci_resource_start(dev, 0), 0x1000);
    if (!socket->base) {
        ret = -ENOMEM;
        goto release;
    }

    /*
     * report the subsystem vendor and device for help debugging
     * the irq stuff...
     */
    dev_printk(KERN_INFO, &dev->dev, "CardBus bridge found [%04x:%04x]\n",
           dev->subsystem_vendor, dev->subsystem_device);

    yenta_config_init(socket);

    /* Disable all events */
    cb_writel(socket, CB_SOCKET_MASK, 0x0);

    /* Set up the bridge regions.. */
    yenta_allocate_resources(socket);

    socket->cb_irq = dev->irq;

    /* Do we have special options for the device? */
    if (id->driver_data != CARDBUS_TYPE_DEFAULT &&
        id->driver_data < ARRAY_SIZE(cardbus_type)) {
        socket->type = &cardbus_type[id->driver_data];

        ret = socket->type->override(socket);
        if (ret < 0)
            goto unmap;
    }

    /* We must finish initialization here */

    if (!socket->cb_irq || request_irq(socket->cb_irq, yenta_interrupt, IRQF_SHARED, "yenta", socket)) {
        /* No IRQ or request_irq failed. Poll */
        socket->cb_irq = 0; /* But zero is a valid IRQ number. */
        init_timer(&socket->poll_timer);
        socket->poll_timer.function = yenta_interrupt_wrapper;
        socket->poll_timer.data = (unsigned long)socket;
        socket->poll_timer.expires = jiffies + HZ;
        add_timer(&socket->poll_timer);
        dev_printk(KERN_INFO, &dev->dev,
               "no PCI IRQ, CardBus support disabled for this "
               "socket.\n");
        dev_printk(KERN_INFO, &dev->dev,
               "check your BIOS CardBus, BIOS IRQ or ACPI "
               "settings.\n");
    } else {
        socket->socket.features |= SS_CAP_CARDBUS;
    }

    /* Figure out what the dang thing can do for the PCMCIA layer... */
    yenta_interrogate(socket);
    yenta_get_socket_capabilities(socket, isa_interrupts);
    dev_printk(KERN_INFO, &dev->dev,
           "Socket status: %08x\n", cb_readl(socket, CB_SOCKET_STATE));

    yenta_fixup_parent_bridge(dev->subordinate);

    /* Register it with the pcmcia layer.. */
    ret = pcmcia_register_socket(&socket->socket);
    if (ret == 0) {
        /* Add the yenta register attributes */
        ret = device_create_file(&dev->dev, &dev_attr_yenta_registers);
        if (ret == 0)
            goto out;

        /* error path... */
        pcmcia_unregister_socket(&socket->socket);
    }

 unmap:
    iounmap(socket->base);
 release:
    pci_release_regions(dev);
 disable:
    pci_disable_device(dev);
 free:
    kfree(socket);
 out:
    return ret;
}

#ifdef CONFIG_PM
static int yenta_dev_suspend_noirq(struct device *dev)
{
    struct pci_dev *pdev = to_pci_dev(dev);
    struct yenta_socket *socket = pci_get_drvdata(pdev);

    if (!socket)
        return 0;

    if (socket->type && socket->type->save_state)
        socket->type->save_state(socket);

    pci_save_state(pdev);
    pci_read_config_dword(pdev, 16*4, &socket->saved_state[0]);
    pci_read_config_dword(pdev, 17*4, &socket->saved_state[1]);
    pci_disable_device(pdev);

    return 0;
}

static int yenta_dev_resume_noirq(struct device *dev)
{
    struct pci_dev *pdev = to_pci_dev(dev);
    struct yenta_socket *socket = pci_get_drvdata(pdev);
    int ret;

    if (!socket)
        return 0;

    pci_write_config_dword(pdev, 16*4, socket->saved_state[0]);
    pci_write_config_dword(pdev, 17*4, socket->saved_state[1]);

    ret = pci_enable_device(pdev);
    if (ret)
        return ret;

    pci_set_master(pdev);

    if (socket->type && socket->type->restore_state)
        socket->type->restore_state(socket);

    return 0;
}

static const struct dev_pm_ops yenta_pm_ops = {
    .suspend_noirq = yenta_dev_suspend_noirq,
    .resume_noirq = yenta_dev_resume_noirq,
    .freeze_noirq = yenta_dev_suspend_noirq,
    .thaw_noirq = yenta_dev_resume_noirq,
    .poweroff_noirq = yenta_dev_suspend_noirq,
    .restore_noirq = yenta_dev_resume_noirq,
};

#define YENTA_PM_OPS    (&yenta_pm_ops)
#else
#define YENTA_PM_OPS    NULL
#endif

#define CB_ID(vend, dev, type)              \
    {                       \
        .vendor     = vend,         \
        .device     = dev,          \
        .subvendor  = PCI_ANY_ID,       \
        .subdevice  = PCI_ANY_ID,       \
        .class      = PCI_CLASS_BRIDGE_CARDBUS << 8, \
        .class_mask = ~0,           \
        .driver_data    = CARDBUS_TYPE_##type,  \
    }

static DEFINE_PCI_DEVICE_TABLE(yenta_table) = {
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1031, TI),

    /*
     * TBD: Check if these TI variants can use more
     * advanced overrides instead.  (I can't get the
     * data sheets for these devices. --rmk)
     */
#ifdef CONFIG_YENTA_TI
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1210, TI),

    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1130, TI113X),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1131, TI113X),

    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1211, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1220, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1221, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1225, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251A, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1251B, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1420, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1450, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1451A, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1510, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1520, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1620, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4410, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4450, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4451, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4510, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_4520, TI12XX),

    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1250, TI1250),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_1410, TI1250),

    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX21_XX11, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X515, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_XX12, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X420, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_X620, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7410, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7510, TI12XX),
    CB_ID(PCI_VENDOR_ID_TI, PCI_DEVICE_ID_TI_7610, TI12XX),

    CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_710, ENE),
    CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_712, ENE),
    CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_720, ENE),
    CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_722, ENE),
    CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1211, ENE),
    CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1225, ENE),
    CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1410, ENE),
    CB_ID(PCI_VENDOR_ID_ENE, PCI_DEVICE_ID_ENE_1420, ENE),
#endif /* CONFIG_YENTA_TI */

#ifdef CONFIG_YENTA_RICOH
    CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C465, RICOH),
    CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C466, RICOH),
    CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C475, RICOH),
    CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C476, RICOH),
    CB_ID(PCI_VENDOR_ID_RICOH, PCI_DEVICE_ID_RICOH_RL5C478, RICOH),
#endif

#ifdef CONFIG_YENTA_TOSHIBA
    CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC95, TOPIC95),
    CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC97, TOPIC97),
    CB_ID(PCI_VENDOR_ID_TOSHIBA, PCI_DEVICE_ID_TOSHIBA_TOPIC100, TOPIC97),
#endif

#ifdef CONFIG_YENTA_O2
    CB_ID(PCI_VENDOR_ID_O2, PCI_ANY_ID, O2MICRO),
#endif

    /* match any cardbus bridge */
    CB_ID(PCI_ANY_ID, PCI_ANY_ID, DEFAULT),
    { /* all zeroes */ }
};
MODULE_DEVICE_TABLE(pci, yenta_table);


static struct pci_driver yenta_cardbus_driver = {
    .name       = "yenta_cardbus",
    .id_table   = yenta_table,
    .probe      = yenta_probe,
    .remove     = __devexit_p(yenta_close),
    .driver.pm  = YENTA_PM_OPS,
};


static int __init yenta_socket_init(void)
{
    return pci_register_driver(&yenta_cardbus_driver);
}


static void __exit yenta_socket_exit(void)
{
    pci_unregister_driver(&yenta_cardbus_driver);
}


module_init(yenta_socket_init);
module_exit(yenta_socket_exit);

MODULE_LICENSE("GPL");