ed(1): Sync with FreeBSD.

[dragonfly.git] / sys / bus / pccard / pccard.c

/*      $NetBSD: pcmcia.c,v 1.23 2000/07/28 19:17:02 drochner Exp $     */

/*-
 * Copyright (c) 1997 Marc Horowitz.  All rights reserved.
 *
 * Redistribution and use in source and binary forms, with or without
 * modification, are permitted provided that the following conditions
 * are met:
 * 1. Redistributions of source code must retain the above copyright
 *    notice, this list of conditions and the following disclaimer.
 * 2. Redistributions in binary form must reproduce the above copyright
 *    notice, this list of conditions and the following disclaimer in the
 *    documentation and/or other materials provided with the distribution.
 * 3. All advertising materials mentioning features or use of this software
 *    must display the following acknowledgement:
 *      This product includes software developed by Marc Horowitz.
 * 4. The name of the author may not be used to endorse or promote products
 *    derived from this software without specific prior written permission.
 *
 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 *
 * $FreeBSD: src/sys/dev/pccard/pccard.c,v 1.108 2005/07/15 01:43:08 imp Exp $
 */

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/malloc.h>
#include <sys/module.h>
#include <sys/kernel.h>
#include <sys/queue.h>
#include <sys/sysctl.h>
#include <sys/types.h>

#include <sys/bus.h>
#include <sys/rman.h>

#include <net/ethernet.h>

#include <bus/pccard/pccardreg.h>
#include <bus/pccard/pccardvar.h>
#include <bus/pccard/pccard_cis.h>

#include "power_if.h"
#include "card_if.h"

#define PCCARDDEBUG

/* sysctl vars */
SYSCTL_NODE(_hw, OID_AUTO, pccard, CTLFLAG_RD, 0, "PCCARD parameters");

int     pccard_debug = 0;
TUNABLE_INT("hw.pccard.debug", &pccard_debug);
SYSCTL_INT(_hw_pccard, OID_AUTO, debug, CTLFLAG_RW,
    &pccard_debug, 0,
  "pccard debug");

int     pccard_cis_debug = 0;
TUNABLE_INT("hw.pccard.cis_debug", &pccard_cis_debug);
SYSCTL_INT(_hw_pccard, OID_AUTO, cis_debug, CTLFLAG_RW,
    &pccard_cis_debug, 0, "pccard CIS debug");

#ifdef PCCARDDEBUG
#define DPRINTF(arg) if (pccard_debug) kprintf arg
#define DEVPRINTF(arg) if (pccard_debug) device_printf arg
#define PRVERBOSE(arg) kprintf arg
#define DEVPRVERBOSE(arg) device_printf arg
#else
#define DPRINTF(arg)
#define DEVPRINTF(arg)
#define PRVERBOSE(arg) if (bootverbose) kprintf arg
#define DEVPRVERBOSE(arg) if (bootverbose) device_printf arg
#endif

static int      pccard_ccr_read(struct pccard_function *pf, int ccr);
static void     pccard_ccr_write(struct pccard_function *pf, int ccr, int val);
static int      pccard_attach_card(device_t dev);
static int      pccard_detach_card(device_t dev);
static void     pccard_function_init(struct pccard_function *pf);
static void     pccard_function_free(struct pccard_function *pf);
static int      pccard_function_enable(struct pccard_function *pf);
static void     pccard_function_disable(struct pccard_function *pf);
static int      pccard_compat_do_probe(device_t bus, device_t dev);
static int      pccard_compat_do_attach(device_t bus, device_t dev);
static int      pccard_add_children(device_t dev, int busno);
static int      pccard_probe(device_t dev);
static int      pccard_attach(device_t dev);
static int      pccard_detach(device_t dev);
static void     pccard_print_resources(struct resource_list *rl,
                    const char *name, int type, int count, const char *format);
static int      pccard_print_child(device_t dev, device_t child);
static int      pccard_set_resource(device_t dev, device_t child, int type,
                    int rid, u_long start, u_long count, int cpuid);
static int      pccard_get_resource(device_t dev, device_t child, int type,
                    int rid, u_long *startp, u_long *countp);
static void     pccard_delete_resource(device_t dev, device_t child, int type,
                    int rid);
static int      pccard_set_res_flags(device_t dev, device_t child, int type,
                    int rid, uint32_t flags);
static int      pccard_set_memory_offset(device_t dev, device_t child, int rid,
                    uint32_t offset, uint32_t *deltap);
static void     pccard_probe_nomatch(device_t cbdev, device_t child);
static int      pccard_read_ivar(device_t bus, device_t child, int which,
                    u_char *result);
static void     pccard_driver_added(device_t dev, driver_t *driver);
static struct resource *pccard_alloc_resource(device_t dev,
                    device_t child, int type, int *rid, u_long start,
                    u_long end, u_long count, u_int flags, int cpuid);
static int      pccard_release_resource(device_t dev, device_t child, int type,
                    int rid, struct resource *r);
static void     pccard_child_detached(device_t parent, device_t dev);
static void     pccard_intr(void *arg);
static int      pccard_setup_intr(device_t dev, device_t child,
                    struct resource *irq, int flags, driver_intr_t *intr,
                    void *arg, void **cookiep, lwkt_serialize_t serializer,
                    const char *desc);
static int      pccard_teardown_intr(device_t dev, device_t child,
                    struct resource *r, void *cookie);

static const struct pccard_product *
pccard_do_product_lookup(device_t bus, device_t dev,
                         const struct pccard_product *tab, size_t ent_size,
                         pccard_product_match_fn matchfn);


static int
pccard_ccr_read(struct pccard_function *pf, int ccr)
{
        return (bus_space_read_1(pf->pf_ccrt, pf->pf_ccrh,
            pf->pf_ccr_offset + ccr));
}

static void
pccard_ccr_write(struct pccard_function *pf, int ccr, int val)
{
        if ((pf->ccr_mask) & (1 << (ccr / 2))) {
                bus_space_write_1(pf->pf_ccrt, pf->pf_ccrh,
                    pf->pf_ccr_offset + ccr, val);
        }
}

static int
pccard_set_default_descr(device_t dev)
{
        const char *vendorstr, *prodstr;
        uint32_t vendor, prod;
        char *str;

        vendorstr = pccard_get_vendor_str(dev);
        prodstr = pccard_get_product_str(dev);
        if (vendorstr != NULL && prodstr != NULL) {
                str = kmalloc(strlen(vendorstr) + strlen(prodstr) + 2, M_DEVBUF,
                    M_WAITOK);
                ksprintf(str, "%s %s", vendorstr, prodstr);
                device_set_desc_copy(dev, str);
                kfree(str, M_DEVBUF);
        } else {
                vendor = pccard_get_vendor(dev);
                prod = pccard_get_product(dev);

                str = kmalloc(100, M_DEVBUF, M_WAITOK);
                ksnprintf(str, 100, "vendor=0x%x product=0x%x", vendor, prod);
                device_set_desc_copy(dev, str);
                kfree(str, M_DEVBUF);
        }
        return (0);
}

static int
pccard_attach_card(device_t dev)
{
        struct pccard_softc *sc = PCCARD_SOFTC(dev);
        struct pccard_function *pf;
        struct pccard_ivar *ivar;
        device_t child;
        int i;

        /*
         * this is here so that when socket_enable calls gettype, trt happens
         */
        STAILQ_INIT(&sc->card.pf_head);

        DEVPRINTF((dev, "chip_socket_enable\n"));
        POWER_ENABLE_SOCKET(device_get_parent(dev), dev);

        DEVPRINTF((dev, "read_cis\n"));
        pccard_read_cis(sc);

        DEVPRINTF((dev, "check_cis_quirks\n"));
        pccard_check_cis_quirks(dev);

        /*
         * bail now if the card has no functions, or if there was an error in
         * the cis.
         */

        if (sc->card.error) {
                device_printf(dev, "CARD ERROR!\n");
                return (1);
        }
        if (STAILQ_EMPTY(&sc->card.pf_head)) {
                device_printf(dev, "Card has no functions!\n");
                return (1);
        }

        if (bootverbose || pccard_debug)
                pccard_print_cis(dev);

        DEVPRINTF((dev, "functions scanning\n"));
        i = -1;
        STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
                i++;
                if (STAILQ_EMPTY(&pf->cfe_head)) {
                        device_printf(dev,
                            "Function %d has no config entries.!\n", i);
                        continue;
                }
                pf->sc = sc;
                pf->cfe = NULL;
                pf->dev = NULL;
        }
        DEVPRINTF((dev, "Card has %d functions. pccard_mfc is %d\n", i + 1,
            pccard_mfc(sc)));

        STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
                if (STAILQ_EMPTY(&pf->cfe_head))
                        continue;
                /*
                 * In NetBSD, the drivers are responsible for activating
                 * each function of a card.  I think that in FreeBSD we
                 * want to activate them enough for the usual bus_*_resource
                 * routines will do the right thing.  This many mean a
                 * departure from the current NetBSD model.
                 *
                 * This seems to work well in practice for most cards.
                 * However, there are two cases that are problematic.
                 * If a driver wishes to pick and chose which config
                 * entry to use, then this method falls down.  These
                 * are usually older cards.  In addition, there are
                 * some cards that have multiple hardware units on the
                 * cards, but presents only one CIS chain.  These cards
                 * are combination cards, but only one of these units
                 * can be on at a time.
                 */
                ivar = kmalloc(sizeof(struct pccard_ivar), M_DEVBUF,
                    M_WAITOK | M_ZERO);
                resource_list_init(&ivar->resources);
                child = device_add_child(dev, NULL, -1);
                device_set_ivars(child, ivar);
                ivar->pf = pf;
                pf->dev = child;
                /*
                 * XXX We might want to move the next three lines into
                 * XXX the pccard interface layer.  For the moment, this
                 * XXX is OK, but some drivers want to pick the config
                 * XXX entry to use as well as some address tweaks (mostly
                 * XXX due to bugs in decode logic that makes some
                 * XXX addresses illegal or broken).
                 */
                pccard_function_init(pf);
                if (sc->sc_enabled_count == 0)
                        POWER_ENABLE_SOCKET(device_get_parent(dev), dev);
                if (pccard_function_enable(pf) == 0 &&
                    pccard_set_default_descr(child) == 0 &&
                    device_probe_and_attach(child) == 0) {
                        DEVPRINTF((sc->dev, "function %d CCR at %d "
                            "offset %x mask %x: "
                            "%x %x %x %x, %x %x %x %x, %x\n",
                            pf->number, pf->pf_ccr_window, pf->pf_ccr_offset,
                            pf->ccr_mask, pccard_ccr_read(pf, 0x00),
                        pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04),
                        pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A),
                        pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E),
                        pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12)));
                } else {
                        if (pf->cfe != NULL)
                                pccard_function_disable(pf);
                }
        }
        return (0);
}

static int
pccard_detach_card(device_t dev)
{
        struct pccard_softc *sc = PCCARD_SOFTC(dev);
        struct pccard_function *pf;
        struct pccard_config_entry *cfe;
        int state;

        /*
         * We are running on either the PCCARD socket's event thread
         * or in user context detaching a device by user request.
         */
        STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
                if (pf->dev == NULL)
                        continue;
                state = device_get_state(pf->dev);
                if (state == DS_ATTACHED || state == DS_BUSY)
                        device_detach(pf->dev);
                if (pf->cfe != NULL)
                        pccard_function_disable(pf);
                pccard_function_free(pf);
                device_delete_child(dev, pf->dev);
        }
        if (sc->sc_enabled_count == 0)
                POWER_DISABLE_SOCKET(device_get_parent(dev), dev);

        while (NULL != (pf = STAILQ_FIRST(&sc->card.pf_head))) {
                while (NULL != (cfe = STAILQ_FIRST(&pf->cfe_head))) {
                        STAILQ_REMOVE_HEAD(&pf->cfe_head, cfe_list);
                        kfree(cfe, M_DEVBUF);
                }
                STAILQ_REMOVE_HEAD(&sc->card.pf_head, pf_list);
                kfree(pf, M_DEVBUF);
        }
        return (0);
}

static const struct pccard_product *
pccard_do_product_lookup(device_t bus, device_t dev,
    const struct pccard_product *tab, size_t ent_size,
    pccard_product_match_fn matchfn)
{
        const struct pccard_product *ent;
        int matches;
        uint32_t vendor;
        uint32_t prod;
        const char *vendorstr;
        const char *prodstr;
        const char *cis3str;
        const char *cis4str;

#ifdef DIAGNOSTIC
        if (sizeof *ent > ent_size)
                panic("pccard_product_lookup: bogus ent_size %jd",
                    (intmax_t) ent_size);
#endif
        vendor = pccard_get_vendor(dev);
        prod = pccard_get_product(dev);
        vendorstr = pccard_get_vendor_str(dev);
        prodstr = pccard_get_product_str(dev);
        cis3str = pccard_get_cis3_str(dev);
        cis4str = pccard_get_cis4_str(dev);

        for (ent = tab; ent->pp_vendor != 0; ent =
            (const struct pccard_product *) ((const char *) ent + ent_size)) {
                matches = 1;
                if (ent->pp_vendor == PCCARD_VENDOR_ANY &&
                    ent->pp_product == PCCARD_PRODUCT_ANY &&
                    ent->pp_cis[0] == NULL &&
                    ent->pp_cis[1] == NULL) {
                        if (ent->pp_name)
                                device_printf(dev,
                                    "Total wildcard entry ignored for %s\n",
                                    ent->pp_name);
                        continue;
                }
                if (matches && ent->pp_vendor != PCCARD_VENDOR_ANY &&
                    vendor != ent->pp_vendor)
                        matches = 0;
                if (matches && ent->pp_product != PCCARD_PRODUCT_ANY &&
                    prod != ent->pp_product)
                        matches = 0;
                if (matches && ent->pp_cis[0] &&
                    (vendorstr == NULL ||
                    strcmp(ent->pp_cis[0], vendorstr) != 0))
                        matches = 0;
                if (matches && ent->pp_cis[1] &&
                    (prodstr == NULL ||
                    strcmp(ent->pp_cis[1], prodstr) != 0))
                        matches = 0;
                if (matches && ent->pp_cis[2] &&
                    (cis3str == NULL ||
                    strcmp(ent->pp_cis[2], cis3str) != 0))
                        matches = 0;
                if (matches && ent->pp_cis[3] &&
                    (cis4str == NULL ||
                    strcmp(ent->pp_cis[3], cis4str) != 0))
                        matches = 0;
                if (matchfn != NULL)
                        matches = (*matchfn)(dev, ent, matches);
                if (matches)
                        return (ent);
        }
        return (NULL);
}

/*
 * Initialize a PCCARD function.  May be called as long as the function is
 * disabled.
 *
 * Note: pccard_function_init should not keep resources allocated.  It should
 * only set them up ala isa pnp, set the values in the rl lists, and return.
 * Any resource held after pccard_function_init is called is a bug.  However,
 * the bus routines to get the resources also assume that pccard_function_init
 * does this, so they need to be fixed too.
 */
static void
pccard_function_init(struct pccard_function *pf)
{
        struct pccard_config_entry *cfe;
        struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
        struct resource_list *rl = &devi->resources;
        struct resource_list_entry *rle;
        struct resource *r = NULL;
        device_t bus;
        u_long start, end, len;
        int i, rid, spaces;

        if (pf->pf_flags & PFF_ENABLED) {
                kprintf("pccard_function_init: function is enabled");
                return;
        }
        bus = device_get_parent(pf->dev);
        /* Remember which configuration entry we are using. */
        STAILQ_FOREACH(cfe, &pf->cfe_head, cfe_list) {
                if (cfe->iftype != PCCARD_IFTYPE_IO)
                        continue;
                spaces = 0;
                for (i = 0; i < cfe->num_iospace; i++) {
                        start = cfe->iospace[i].start;
                        if (start)
                                end = start + cfe->iospace[i].length - 1;
                        else
                                end = ~0UL;
                        DEVPRINTF((bus, "I/O rid %d start %lx end %lx\n",
                            i, start, end));
                        rid = i;
                        len = cfe->iospace[i].length;
                        r = bus_alloc_resource(bus, SYS_RES_IOPORT, &rid,
                            start, end, len, rman_make_alignment_flags(len));
                        if (r == NULL)
                                goto not_this_one;
                        resource_list_add(rl, SYS_RES_IOPORT,
                            rid, rman_get_start(r), rman_get_end(r),
                            cfe->iospace[i].length, -1);
                        rle = resource_list_find(rl, SYS_RES_IOPORT, rid);
                        if (rle == NULL)
                                panic("Cannot add resource rid %d IOPORT", rid);
                        rle->res = r;
                        spaces++;
                }
                for (i = 0; i < cfe->num_memspace; i++) {
                        start = cfe->memspace[i].hostaddr;
                        if (start)
                                end = start + cfe->memspace[i].length - 1;
                        else
                                end = ~0UL;
                        DEVPRINTF((bus, "Memory rid %d start %lx end %lx\n",
                            i, start, end));
                        rid = i;
                        len = cfe->memspace[i].length;
                        r = bus_alloc_resource(bus, SYS_RES_MEMORY, &rid,
                            start, end, len, rman_make_alignment_flags(len));
                        if (r == NULL)
                                goto not_this_one;
                        resource_list_add(rl, SYS_RES_MEMORY,
                            rid, rman_get_start(r), rman_get_end(r),
                            cfe->memspace[i].length, -1);
                        rle = resource_list_find(rl, SYS_RES_MEMORY, rid);
                        if (rle == NULL)
                                panic("Cannot add resource rid %d MEM", rid);
                        rle->res = r;
                        spaces++;
                }
                if (spaces == 0) {
                        DEVPRINTF((bus, "Neither memory nor I/O mapped\n"));
                        goto not_this_one;
                }
                if (cfe->irqmask) {
                        rid = 0;
                        r = bus_alloc_resource_any(bus, SYS_RES_IRQ, &rid,
                            RF_SHAREABLE);
                        if (r == NULL)
                                goto not_this_one;
                        resource_list_add(rl, SYS_RES_IRQ, rid,
                            rman_get_start(r), rman_get_end(r), 1,
                            rman_get_cpuid(r));
                        rle = resource_list_find(rl, SYS_RES_IRQ, rid);
                        if (rle == NULL)
                                panic("Cannot add resource rid %d IRQ", rid);
                        rle->res = r;
                }
                /* If we get to here, we've allocated all we need */
                pf->cfe = cfe;
                break;
            not_this_one:;
                DEVPRVERBOSE((bus, "Allocation failed for cfe %d\n",
                    cfe->number));
#if 0 /* YYY */
                resource_list_purge(rl);
#endif
        }
}

/*
 * Free resources allocated by pccard_function_init(), May be called as long
 * as the function is disabled.
 *
 * NOTE: This function should be unnecessary.  pccard_function_init should
 * never keep resources initialized.
 */
static void
pccard_function_free(struct pccard_function *pf)
{
        struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
        struct resource_list_entry *rle;

        if (pf->pf_flags & PFF_ENABLED) {
                kprintf("pccard_function_init: function is enabled");
                return;
        }

        SLIST_FOREACH(rle, &devi->resources, link) {
                if (rle->res) {
                        if (rman_get_device(rle->res) != pf->sc->dev)
                                device_printf(pf->sc->dev,
                                    "function_free: Resource still owned by "
                                    "child, oops. "
                                    "(type=%d, rid=%d, addr=%lx)\n",
                                    rle->type, rle->rid,
                                    rman_get_start(rle->res));
                        BUS_RELEASE_RESOURCE(device_get_parent(pf->sc->dev),
                            pf->sc->dev, rle->type, rle->rid, rle->res);
                        rle->res = NULL;
                }
        }
        resource_list_free(&devi->resources);
}

static void
pccard_mfc_adjust_iobase(struct pccard_function *pf, bus_addr_t addr,
    bus_addr_t offset, bus_size_t size)
{
        bus_size_t iosize, tmp;

        if (addr != 0) {
                if (pf->pf_mfc_iomax == 0) {
                        pf->pf_mfc_iobase = addr + offset;
                        pf->pf_mfc_iomax = pf->pf_mfc_iobase + size;
                } else {
                        /* this makes the assumption that nothing overlaps */
                        if (pf->pf_mfc_iobase > addr + offset)
                                pf->pf_mfc_iobase = addr + offset;
                        if (pf->pf_mfc_iomax < addr + offset + size)
                                pf->pf_mfc_iomax = addr + offset + size;
                }
        }

        tmp = pf->pf_mfc_iomax - pf->pf_mfc_iobase;
        /* round up to nearest (2^n)-1 */
        for (iosize = 1; iosize < tmp; iosize <<= 1)
                ;
        iosize--;

        DEVPRINTF((pf->dev, "MFC: I/O base %#jx IOSIZE %#jx\n",
            (uintmax_t)pf->pf_mfc_iobase, (uintmax_t)(iosize + 1)));
        pccard_ccr_write(pf, PCCARD_CCR_IOBASE0,
            pf->pf_mfc_iobase & 0xff);
        pccard_ccr_write(pf, PCCARD_CCR_IOBASE1,
            (pf->pf_mfc_iobase >> 8) & 0xff);
        pccard_ccr_write(pf, PCCARD_CCR_IOBASE2, 0);
        pccard_ccr_write(pf, PCCARD_CCR_IOBASE3, 0);
        pccard_ccr_write(pf, PCCARD_CCR_IOSIZE, iosize);
}

/* Enable a PCCARD function */
static int
pccard_function_enable(struct pccard_function *pf)
{
        struct pccard_function *tmp;
        int reg;
        device_t dev = pf->sc->dev;

        if (pf->cfe == NULL) {
                DEVPRVERBOSE((dev, "No config entry could be allocated.\n"));
                return (ENOMEM);
        }

        /*
         * Increase the reference count on the socket, enabling power, if
         * necessary.
         */
        pf->sc->sc_enabled_count++;

        if (pf->pf_flags & PFF_ENABLED) {
                /*
                 * Don't do anything if we're already enabled.
                 */
                return (0);
        }

        /*
         * it's possible for different functions' CCRs to be in the same
         * underlying page.  Check for that.
         */
        STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
                if ((tmp->pf_flags & PFF_ENABLED) &&
                    (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) &&
                    ((pf->ccr_base + PCCARD_CCR_SIZE) <=
                    (tmp->ccr_base - tmp->pf_ccr_offset +
                    tmp->pf_ccr_realsize))) {
                        pf->pf_ccrt = tmp->pf_ccrt;
                        pf->pf_ccrh = tmp->pf_ccrh;
                        pf->pf_ccr_realsize = tmp->pf_ccr_realsize;

                        /*
                         * pf->pf_ccr_offset = (tmp->pf_ccr_offset -
                         * tmp->ccr_base) + pf->ccr_base;
                         */
                        /* pf->pf_ccr_offset =
                            (tmp->pf_ccr_offset + pf->ccr_base) -
                            tmp->ccr_base; */
                        pf->pf_ccr_window = tmp->pf_ccr_window;
                        break;
                }
        }
        if (tmp == NULL) {
                pf->ccr_rid = 0;
                pf->ccr_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
                    &pf->ccr_rid, 0, ~0, 1 << 10, RF_ACTIVE);
                if (!pf->ccr_res)
                        goto bad;
                DEVPRINTF((dev, "ccr_res == %lx-%lx, base=%x\n",
                    rman_get_start(pf->ccr_res), rman_get_end(pf->ccr_res),
                    pf->ccr_base));
                CARD_SET_RES_FLAGS(device_get_parent(dev), dev, SYS_RES_MEMORY,
                    pf->ccr_rid, PCCARD_A_MEM_ATTR);
                CARD_SET_MEMORY_OFFSET(device_get_parent(dev), dev,
                    pf->ccr_rid, pf->ccr_base, &pf->pf_ccr_offset);
                pf->pf_ccrt = rman_get_bustag(pf->ccr_res);
                pf->pf_ccrh = rman_get_bushandle(pf->ccr_res);
                pf->pf_ccr_realsize = 1;
        }

        reg = (pf->cfe->number & PCCARD_CCR_OPTION_CFINDEX);
        reg |= PCCARD_CCR_OPTION_LEVIREQ;
        if (pccard_mfc(pf->sc)) {
                reg |= (PCCARD_CCR_OPTION_FUNC_ENABLE |
                        PCCARD_CCR_OPTION_ADDR_DECODE);
                /* PCCARD_CCR_OPTION_IRQ_ENABLE set elsewhere as needed */
        }
        pccard_ccr_write(pf, PCCARD_CCR_OPTION, reg);

        reg = 0;
        if ((pf->cfe->flags & PCCARD_CFE_IO16) == 0)
                reg |= PCCARD_CCR_STATUS_IOIS8;
        if (pf->cfe->flags & PCCARD_CFE_AUDIO)
                reg |= PCCARD_CCR_STATUS_AUDIO;
        pccard_ccr_write(pf, PCCARD_CCR_STATUS, reg);

        pccard_ccr_write(pf, PCCARD_CCR_SOCKETCOPY, 0);

        if (pccard_mfc(pf->sc))
                pccard_mfc_adjust_iobase(pf, 0, 0, 0);

#ifdef PCCARDDEBUG
        if (pccard_debug) {
                STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
                        device_printf(tmp->sc->dev,
                            "function %d CCR at %d offset %x: "
                            "%x %x %x %x, %x %x %x %x, %x\n",
                            tmp->number, tmp->pf_ccr_window,
                            tmp->pf_ccr_offset,
                            pccard_ccr_read(tmp, 0x00),
                            pccard_ccr_read(tmp, 0x02),
                            pccard_ccr_read(tmp, 0x04),
                            pccard_ccr_read(tmp, 0x06),
                            pccard_ccr_read(tmp, 0x0A),
                            pccard_ccr_read(tmp, 0x0C),
                            pccard_ccr_read(tmp, 0x0E),
                            pccard_ccr_read(tmp, 0x10),
                            pccard_ccr_read(tmp, 0x12));
                }
        }
#endif
        pf->pf_flags |= PFF_ENABLED;
        return (0);

 bad:
        /*
         * Decrement the reference count, and power down the socket, if
         * necessary.
         */
        pf->sc->sc_enabled_count--;
        DEVPRINTF((dev, "bad --enabled_count = %d\n", pf->sc->sc_enabled_count));

        return (1);
}

/* Disable PCCARD function. */
static void
pccard_function_disable(struct pccard_function *pf)
{
        struct pccard_function *tmp;
        device_t dev = pf->sc->dev;

        if (pf->cfe == NULL)
                panic("pccard_function_disable: function not initialized");

        if ((pf->pf_flags & PFF_ENABLED) == 0) {
                /*
                 * Don't do anything if we're already disabled.
                 */
                return;
        }

        if (pf->intr_handler != NULL) {
                struct pccard_ivar *devi = PCCARD_IVAR(pf->dev);
                struct resource_list_entry *rle =
                    resource_list_find(&devi->resources, SYS_RES_IRQ, 0);
                if (rle == NULL)
                        panic("Can't disable an interrupt with no IRQ res");
                BUS_TEARDOWN_INTR(dev, pf->dev, rle->res,
                    pf->intr_handler_cookie);
        }

        /*
         * it's possible for different functions' CCRs to be in the same
         * underlying page.  Check for that.  Note we mark us as disabled
         * first to avoid matching ourself.
         */

        pf->pf_flags &= ~PFF_ENABLED;
        STAILQ_FOREACH(tmp, &pf->sc->card.pf_head, pf_list) {
                if ((tmp->pf_flags & PFF_ENABLED) &&
                    (pf->ccr_base >= (tmp->ccr_base - tmp->pf_ccr_offset)) &&
                    ((pf->ccr_base + PCCARD_CCR_SIZE) <=
                    (tmp->ccr_base - tmp->pf_ccr_offset +
                    tmp->pf_ccr_realsize)))
                        break;
        }

        /* Not used by anyone else; unmap the CCR. */
        if (tmp == NULL) {
                bus_release_resource(dev, SYS_RES_MEMORY, pf->ccr_rid,
                    pf->ccr_res);
                pf->ccr_res = NULL;
        }

        /*
         * Decrement the reference count, and power down the socket, if
         * necessary.
         */
        pf->sc->sc_enabled_count--;
}

/*
 * simulate the old "probe" routine.  In the new world order, the driver
 * needs to grab devices while in the old they were assigned to the device by
 * the pccardd process.  These symbols are exported to the upper layers.
 */
static int
pccard_compat_do_probe(device_t bus, device_t dev)
{
        return (CARD_COMPAT_MATCH(dev));
}

static int
pccard_compat_do_attach(device_t bus, device_t dev)
{
        int err;

        err = CARD_COMPAT_PROBE(dev);
        if (err <= 0)
                err = CARD_COMPAT_ATTACH(dev);
        return (err);
}

#define PCCARD_NPORT    2
#define PCCARD_NMEM     5
#define PCCARD_NIRQ     1
#define PCCARD_NDRQ     0

static int
pccard_add_children(device_t dev, int busno)
{
        /* Call parent to scan for any current children */
        return (0);
}

static int
pccard_probe(device_t dev)
{
        device_set_desc(dev, "16-bit PCCard bus");
        return (pccard_add_children(dev, device_get_unit(dev)));
}

static int
pccard_attach(device_t dev)
{
        struct pccard_softc *sc = PCCARD_SOFTC(dev);

        sc->dev = dev;
        sc->sc_enabled_count = 0;
        return (bus_generic_attach(dev));
}

static int
pccard_detach(device_t dev)
{
        pccard_detach_card(dev);
        return 0;
}

static int
pccard_suspend(device_t self)
{
        pccard_detach_card(self);
        return (0);
}

static
int
pccard_resume(device_t self)
{
        return (0);
}

static void
pccard_print_resources(struct resource_list *rl, const char *name, int type,
    int count, const char *format)
{
        struct resource_list_entry *rle;
        int printed;
        int i;

        printed = 0;
        for (i = 0; i < count; i++) {
                rle = resource_list_find(rl, type, i);
                if (rle != NULL) {
                        if (printed == 0)
                                kprintf(" %s ", name);
                        else if (printed > 0)
                                kprintf(",");
                        printed++;
                        kprintf(format, rle->start);
                        if (rle->count > 1) {
                                kprintf("-");
                                kprintf(format, rle->start + rle->count - 1);
                        }
                } else if (i > 3) {
                        /* check the first few regardless */
                        break;
                }
        }
}

static int
pccard_print_child(device_t dev, device_t child)
{
        struct pccard_ivar *devi = PCCARD_IVAR(child);
        struct resource_list *rl = &devi->resources;
        int retval = 0;

        retval += bus_print_child_header(dev, child);
        retval += kprintf(" at");

        if (devi != NULL) {
                pccard_print_resources(rl, "port", SYS_RES_IOPORT,
                    PCCARD_NPORT, "%#lx");
                pccard_print_resources(rl, "iomem", SYS_RES_MEMORY,
                    PCCARD_NMEM, "%#lx");
                pccard_print_resources(rl, "irq", SYS_RES_IRQ, PCCARD_NIRQ,
                    "%ld");
                pccard_print_resources(rl, "drq", SYS_RES_DRQ, PCCARD_NDRQ,
                    "%ld");
                retval += kprintf(" function %d config %d", devi->pf->number,
                    devi->pf->cfe->number);
        }

        retval += bus_print_child_footer(dev, child);

        return (retval);
}

static int
pccard_set_resource(device_t dev, device_t child, int type, int rid,
    u_long start, u_long count, int cpuid)
{
        struct pccard_ivar *devi = PCCARD_IVAR(child);
        struct resource_list *rl = &devi->resources;

        if (type != SYS_RES_IOPORT && type != SYS_RES_MEMORY
            && type != SYS_RES_IRQ && type != SYS_RES_DRQ)
                return (EINVAL);
        if (rid < 0)
                return (EINVAL);
        if (type == SYS_RES_IOPORT && rid >= PCCARD_NPORT)
                return (EINVAL);
        if (type == SYS_RES_MEMORY && rid >= PCCARD_NMEM)
                return (EINVAL);
        if (type == SYS_RES_IRQ && rid >= PCCARD_NIRQ)
                return (EINVAL);
        if (type == SYS_RES_DRQ && rid >= PCCARD_NDRQ)
                return (EINVAL);

        resource_list_add(rl, type, rid, start, start + count - 1, count,
            cpuid);
        if (NULL != resource_list_alloc(rl, device_get_parent(dev), dev,
            type, &rid, start, start + count - 1, count, 0, -1))
                return 0;
        else
                return ENOMEM;
}

static int
pccard_get_resource(device_t dev, device_t child, int type, int rid,
    u_long *startp, u_long *countp)
{
        struct pccard_ivar *devi = PCCARD_IVAR(child);
        struct resource_list *rl = &devi->resources;
        struct resource_list_entry *rle;

        rle = resource_list_find(rl, type, rid);
        if (rle == NULL)
                return (ENOENT);

        if (startp != NULL)
                *startp = rle->start;
        if (countp != NULL)
                *countp = rle->count;

        return (0);
}

static void
pccard_delete_resource(device_t dev, device_t child, int type, int rid)
{
        struct pccard_ivar *devi = PCCARD_IVAR(child);
        struct resource_list *rl = &devi->resources;
        resource_list_delete(rl, type, rid);
}

static int
pccard_set_res_flags(device_t dev, device_t child, int type, int rid,
    uint32_t flags)
{
        return (CARD_SET_RES_FLAGS(device_get_parent(dev), child, type,
            rid, flags));
}

static int
pccard_set_memory_offset(device_t dev, device_t child, int rid,
    uint32_t offset, uint32_t *deltap)

{
        return (CARD_SET_MEMORY_OFFSET(device_get_parent(dev), child, rid,
            offset, deltap));
}

static void
pccard_probe_nomatch(device_t bus, device_t child)
{
        struct pccard_ivar *devi = PCCARD_IVAR(child);
        struct pccard_function *pf = devi->pf;
        struct pccard_softc *sc = PCCARD_SOFTC(bus);
        int i;

        device_printf(bus, "<unknown card>");
        kprintf(" (manufacturer=0x%04x, product=0x%04x, function_type=%d) "
            "at function %d\n", sc->card.manufacturer, sc->card.product,
            pf->function, pf->number);
        device_printf(bus, "   CIS info: ");
        for (i = 0; i < 4 && sc->card.cis1_info[i] != NULL; i++)
                kprintf("%s%s", i > 0 ? ", " : "", sc->card.cis1_info[i]);
        kprintf("\n");
        return;
}

static int
pccard_child_location_str(device_t bus, device_t child, char *buf,
    size_t buflen)
{
        struct pccard_ivar *devi = PCCARD_IVAR(child);
        struct pccard_function *pf = devi->pf;

        ksnprintf(buf, buflen, "function=%d", pf->number);
        return (0);
}

/* XXX Maybe this should be in subr_bus? */
static void
pccard_safe_quote(char *dst, const char *src, size_t len)
{
        char *walker = dst, *ep = dst + len - 1;

        if (len == 0)
                return;
        while (walker < ep)
        {
                if (*src == '"') {
                        if (ep - walker < 2)
                                break;
                        *walker++ = '\\';
                }
                *walker++ = *src++;
        }
        *walker = '\0';
}

static int
pccard_child_pnpinfo_str(device_t bus, device_t child, char *buf,
    size_t buflen)
{
        struct pccard_ivar *devi = PCCARD_IVAR(child);
        struct pccard_function *pf = devi->pf;
        struct pccard_softc *sc = PCCARD_SOFTC(bus);
        char cis0[128], cis1[128];

        pccard_safe_quote(cis0, sc->card.cis1_info[0], sizeof(cis0));
        pccard_safe_quote(cis1, sc->card.cis1_info[1], sizeof(cis1));
        ksnprintf(buf, buflen, "manufacturer=0x%04x product=0x%04x "
            "cisvendor=\"%s\" cisproduct=\"%s\" function_type=%d",
            sc->card.manufacturer, sc->card.product, cis0, cis1, pf->function);
        return (0);
}

static int
pccard_read_ivar(device_t bus, device_t child, int which, u_char *result)
{
        struct pccard_ivar *devi = PCCARD_IVAR(child);
        struct pccard_function *pf = devi->pf;
        struct pccard_softc *sc = PCCARD_SOFTC(bus);

        if (!pf)
                panic("No pccard function pointer");
        switch (which) {
        default:
                return (EINVAL);
        case PCCARD_IVAR_ETHADDR:
                *(const uint8_t **)result = pf->pf_funce_lan_nid;
                break;
        case PCCARD_IVAR_VENDOR:
                *(uint32_t *)result = sc->card.manufacturer;
                break;
        case PCCARD_IVAR_PRODUCT:
                *(uint32_t *)result = sc->card.product;
                break;
        case PCCARD_IVAR_PRODEXT:
                *(uint16_t *)result = sc->card.prodext;
                break;
        case PCCARD_IVAR_FUNCTION:
                *(uint32_t *)result = pf->function;
                break;
        case PCCARD_IVAR_FUNCTION_NUMBER:
                *(uint32_t *)result = pf->number;
                break;
        case PCCARD_IVAR_VENDOR_STR:
                *(const char **)result = sc->card.cis1_info[0];
                break;
        case PCCARD_IVAR_PRODUCT_STR:
                *(const char **)result = sc->card.cis1_info[1];
                break;
        case PCCARD_IVAR_CIS3_STR:
                *(const char **)result = sc->card.cis1_info[2];
                break;
        case PCCARD_IVAR_CIS4_STR:
                *(const char **)result = sc->card.cis1_info[3];
                break;
        }
        return (0);
}

static void
pccard_driver_added(device_t dev, driver_t *driver)
{
        struct pccard_softc *sc = PCCARD_SOFTC(dev);
        struct pccard_function *pf;
        device_t child;

        STAILQ_FOREACH(pf, &sc->card.pf_head, pf_list) {
                if (STAILQ_EMPTY(&pf->cfe_head))
                        continue;
                child = pf->dev;
                if (device_get_state(child) != DS_NOTPRESENT)
                        continue;
                if (pccard_function_enable(pf) == 0 &&
                    device_probe_and_attach(child) == 0) {
                        DEVPRINTF((sc->dev, "function %d CCR at %d "
                            "offset %x: %x %x %x %x, %x %x %x %x, %x\n",
                            pf->number, pf->pf_ccr_window, pf->pf_ccr_offset,
                            pccard_ccr_read(pf, 0x00),
                        pccard_ccr_read(pf, 0x02), pccard_ccr_read(pf, 0x04),
                        pccard_ccr_read(pf, 0x06), pccard_ccr_read(pf, 0x0A),
                        pccard_ccr_read(pf, 0x0C), pccard_ccr_read(pf, 0x0E),
                        pccard_ccr_read(pf, 0x10), pccard_ccr_read(pf, 0x12)));
                } else {
                        if (pf->cfe != NULL)
                                pccard_function_disable(pf);
                }
        }
        return;
}

static struct resource *
pccard_alloc_resource(device_t dev, device_t child, int type, int *rid,
    u_long start, u_long end, u_long count, u_int flags, int cpuid)
{
        struct pccard_ivar *dinfo;
        struct resource_list_entry *rle = NULL;
        int passthrough = (device_get_parent(child) != dev);
        int isdefault = (start == 0 && end == ~0UL && count == 1);
        struct resource *r = NULL;

        /* XXX I'm no longer sure this is right */
        if (passthrough) {
                return (BUS_ALLOC_RESOURCE(device_get_parent(dev), child,
                    type, rid, start, end, count, flags, cpuid));
        }

        dinfo = device_get_ivars(child);
        rle = resource_list_find(&dinfo->resources, type, *rid);

        if (rle == NULL && isdefault)
                return (NULL);  /* no resource of that type/rid */
        if (rle == NULL || rle->res == NULL) {
                /* XXX Need to adjust flags */
                r = bus_alloc_resource(dev, type, rid, start, end,
                  count, flags);
                if (r == NULL)
                    goto bad;
                resource_list_add(&dinfo->resources, type, *rid,
                  rman_get_start(r), rman_get_end(r), count, 
                  rman_get_cpuid(r));
                rle = resource_list_find(&dinfo->resources, type, *rid);
                if (!rle)
                    goto bad;
                rle->res = r;
        }
        /*
         * If dev doesn't own the device, then we can't give this device
         * out.
         */
        if (rman_get_device(rle->res) != dev)
                return (NULL);
        rman_set_device(rle->res, child);
        if (flags & RF_ACTIVE)
                BUS_ACTIVATE_RESOURCE(dev, child, type, *rid, rle->res);
        return (rle->res);
bad:;
        device_printf(dev, "WARNING: Resource not reserved by pccard\n");
        return (NULL);
}

static int
pccard_release_resource(device_t dev, device_t child, int type, int rid,
    struct resource *r)
{
        struct pccard_ivar *dinfo;
        int passthrough = (device_get_parent(child) != dev);
        struct resource_list_entry *rle = NULL;

        if (passthrough)
                return BUS_RELEASE_RESOURCE(device_get_parent(dev), child,
                    type, rid, r);

        dinfo = device_get_ivars(child);

        rle = resource_list_find(&dinfo->resources, type, rid);

        if (!rle) {
                device_printf(dev, "Allocated resource not found, "
                    "%d %x %lx %lx\n",
                    type, rid, rman_get_start(r), rman_get_size(r));
                return ENOENT;
        }
        if (!rle->res) {
                device_printf(dev, "Allocated resource not recorded\n");
                return ENOENT;
        }
        /*
         * Deactivate the resource (since it is being released), and
         * assign it to the bus.
         */
        BUS_DEACTIVATE_RESOURCE(dev, child, type, rid, rle->res);
        rman_set_device(rle->res, dev);
        return (0);
}

static void
pccard_child_detached(device_t parent, device_t dev)
{
        struct pccard_ivar *ivar = PCCARD_IVAR(dev);
        struct pccard_function *pf = ivar->pf;

        pccard_function_disable(pf);
}

static void
pccard_intr(void *arg)
{
        struct pccard_function *pf = (struct pccard_function*) arg;
        int reg;
        int doisr = 1;

        /*
         * MFC cards know if they interrupted, so we have to ack the
         * interrupt and call the ISR.  Non-MFC cards don't have these
         * bits, so they always get called.  Many non-MFC cards have
         * this bit set always upon read, but some do not.
         *
         * We always ack the interrupt, even if there's no ISR
         * for the card.  This is done on the theory that acking
         * the interrupt will pacify the card enough to keep an
         * interrupt storm from happening.  Of course this won't
         * help in the non-MFC case.
         *
         * This has no impact for MPSAFEness of the client drivers.
         * We register this with whatever flags the intr_handler
         * was registered with.  All these functions are MPSAFE.
         */
        if (pccard_mfc(pf->sc)) {
                reg = pccard_ccr_read(pf, PCCARD_CCR_STATUS);
                if (reg & PCCARD_CCR_STATUS_INTR)
                        pccard_ccr_write(pf, PCCARD_CCR_STATUS,
                            reg & ~PCCARD_CCR_STATUS_INTR);
                else
                        doisr = 0;
        }
        if (pf->intr_handler != NULL && doisr)
                pf->intr_handler(pf->intr_handler_arg);
}

static int
pccard_setup_intr(device_t dev, device_t child, struct resource *irq,
    int flags, driver_intr_t *intr, void *arg,
    void **cookiep, lwkt_serialize_t serializer, const char *desc)
{
        struct pccard_softc *sc = PCCARD_SOFTC(dev);
        struct pccard_ivar *ivar = PCCARD_IVAR(child);
        struct pccard_function *pf = ivar->pf;
        int err;

        if (pf->intr_handler != NULL)
                panic("Only one interrupt handler per function allowed");
        err = bus_generic_setup_intr(dev, child, irq, flags, pccard_intr,
                                     pf, cookiep, serializer, desc);
        if (err != 0)
                return (err);
        pf->intr_handler = intr;
        pf->intr_handler_arg = arg;
        pf->intr_handler_cookie = *cookiep;
        if (pccard_mfc(sc)) {
                pccard_ccr_write(pf, PCCARD_CCR_OPTION,
                    pccard_ccr_read(pf, PCCARD_CCR_OPTION) |
                    PCCARD_CCR_OPTION_IREQ_ENABLE);
        }
        return (0);
}

static int
pccard_teardown_intr(device_t dev, device_t child, struct resource *r,
    void *cookie)
{
        struct pccard_softc *sc = PCCARD_SOFTC(dev);
        struct pccard_ivar *ivar = PCCARD_IVAR(child);
        struct pccard_function *pf = ivar->pf;
        int ret;

        if (pccard_mfc(sc)) {
                pccard_ccr_write(pf, PCCARD_CCR_OPTION,
                    pccard_ccr_read(pf, PCCARD_CCR_OPTION) &
                    ~PCCARD_CCR_OPTION_IREQ_ENABLE);
        }
        ret = bus_generic_teardown_intr(dev, child, r, cookie);
        if (ret == 0) {
                pf->intr_handler = NULL;
                pf->intr_handler_arg = NULL;
                pf->intr_handler_cookie = NULL;
        }

        return (ret);
}

static int
pccard_activate_resource(device_t brdev, device_t child, int type, int rid,
    struct resource *r)
{
        struct pccard_ivar *ivar = PCCARD_IVAR(child);
        struct pccard_function *pf = ivar->pf;

        switch(type) {
        case SYS_RES_IOPORT:
                /*
                 * We need to adjust IOBASE[01] and IOSIZE if we're an MFC
                 * card.
                 */
                if (pccard_mfc(pf->sc))
                        pccard_mfc_adjust_iobase(pf, rman_get_start(r), 0,
                            rman_get_size(r));
                break;
        default:
                break;
        }
        return (bus_generic_activate_resource(brdev, child, type, rid, r));
}

static int
pccard_deactivate_resource(device_t brdev, device_t child, int type,
    int rid, struct resource *r)
{
        /* XXX undo pccard_activate_resource? XXX */
        return (bus_generic_deactivate_resource(brdev, child, type, rid, r));
}

static device_method_t pccard_methods[] = {
        /* Device interface */
        DEVMETHOD(device_probe,         pccard_probe),
        DEVMETHOD(device_attach,        pccard_attach),
        DEVMETHOD(device_detach,        pccard_detach),
        DEVMETHOD(device_shutdown,      bus_generic_shutdown),
        DEVMETHOD(device_suspend,       pccard_suspend),
        DEVMETHOD(device_resume,        pccard_resume),

        /* Bus interface */
        DEVMETHOD(bus_print_child,      pccard_print_child),
        DEVMETHOD(bus_driver_added,     pccard_driver_added),
        DEVMETHOD(bus_child_detached,   pccard_child_detached),
        DEVMETHOD(bus_alloc_resource,   pccard_alloc_resource),
        DEVMETHOD(bus_release_resource, pccard_release_resource),
        DEVMETHOD(bus_activate_resource, pccard_activate_resource),
        DEVMETHOD(bus_deactivate_resource, pccard_deactivate_resource),
        DEVMETHOD(bus_setup_intr,       pccard_setup_intr),
        DEVMETHOD(bus_teardown_intr,    pccard_teardown_intr),
        DEVMETHOD(bus_set_resource,     pccard_set_resource),
        DEVMETHOD(bus_get_resource,     pccard_get_resource),
        DEVMETHOD(bus_delete_resource,  pccard_delete_resource),
        DEVMETHOD(bus_probe_nomatch,    pccard_probe_nomatch),
        DEVMETHOD(bus_read_ivar,        pccard_read_ivar),
        DEVMETHOD(bus_child_pnpinfo_str, pccard_child_pnpinfo_str),
        DEVMETHOD(bus_child_location_str, pccard_child_location_str),

        /* Card Interface */
        DEVMETHOD(card_set_res_flags,   pccard_set_res_flags),
        DEVMETHOD(card_set_memory_offset, pccard_set_memory_offset),
        DEVMETHOD(card_attach_card,     pccard_attach_card),
        DEVMETHOD(card_detach_card,     pccard_detach_card),
        DEVMETHOD(card_compat_do_probe, pccard_compat_do_probe),
        DEVMETHOD(card_compat_do_attach, pccard_compat_do_attach),
        DEVMETHOD(card_do_product_lookup, pccard_do_product_lookup),
        DEVMETHOD(card_cis_scan,        pccard_scan_cis),

        DEVMETHOD_END
};

static driver_t pccard_driver = {
        "pccard",
        pccard_methods,
        sizeof(struct pccard_softc)
};

devclass_t      pccard_devclass;

/* Maybe we need to have a slot device? */
DRIVER_MODULE(pccard, pcic, pccard_driver, pccard_devclass, NULL, NULL);
DRIVER_MODULE(pccard, cbb, pccard_driver, pccard_devclass, NULL, NULL);
MODULE_VERSION(pccard, 1);