/* $NetBSD: if_wi_pcmcia.c,v 1.93 2019/01/08 08:47:21 msaitoh Exp $ */

/*-
 * Copyright (c) 2001, 2004 The NetBSD Foundation, Inc.
 * All rights reserved.
 *
 * This code is derived from software contributed to The NetBSD Foundation
 * by Ichiro FUKUHARA (ichiro@ichiro.org), and by Charles M. Hannum.
 *
 * 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.
 *
 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
 * ``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 FOUNDATION OR CONTRIBUTORS
 * 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.
 */

/*
 * PCMCIA attachment for Lucent & Intersil WaveLAN PCMCIA card
 */

#include <sys/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: if_wi_pcmcia.c,v 1.93 2019/01/08 08:47:21 msaitoh Exp $");

#include <sys/param.h>
#include <sys/systm.h>
#include <sys/callout.h>
#include <sys/device.h>
#include <sys/proc.h>
#include <sys/socket.h>

#include <net/if.h>
#include <net/if_ether.h>
#include <net/if_media.h>

#include <net80211/ieee80211_netbsd.h>
#include <net80211/ieee80211_var.h>
#include <net80211/ieee80211_radiotap.h>
#include <net80211/ieee80211_rssadapt.h>

#include <sys/cpu.h>
#include <sys/bus.h>
#include <sys/intr.h>

#include <dev/ic/wi_ieee.h>
#include <dev/ic/wireg.h>
#include <dev/ic/wivar.h>

#include <dev/pcmcia/pcmciareg.h>
#include <dev/pcmcia/pcmciavar.h>
#include <dev/pcmcia/pcmciadevs.h>

#ifdef _MODULE
#define WI_PCMCIA_SPECTRUM24T_FW 1
#else
#include <opt_if_wi_pcmcia.h>
#endif

#if WI_PCMCIA_SPECTRUM24T_FW
#include <dev/microcode/wi/spectrum24t_cf.h>
#endif

static int      wi_pcmcia_match(device_t, cfdata_t, void *);
static int      wi_pcmcia_validate_config(struct pcmcia_config_entry *);
static void     wi_pcmcia_attach(device_t, device_t, void *);
static int      wi_pcmcia_detach(device_t, int);
static int      wi_pcmcia_enable(device_t, int);

#if WI_PCMCIA_SPECTRUM24T_FW
/* support to download firmware for symbol CF card */
static int      wi_pcmcia_load_firm(struct wi_softc *, const void *, int,
    const void *, int);
static int      wi_pcmcia_write_firm(struct wi_softc *, const void *, int,
 const void *, int);
static int      wi_pcmcia_set_hcr(struct wi_softc *, int);
#endif

struct wi_pcmcia_softc {
        struct wi_softc sc_wi;

        int sc_symbol_cf;                       /* Spectrum24t CF card */

        struct pcmcia_function *sc_pf;          /* PCMCIA function */
        int sc_state;
#define WI_PCMCIA_ATTACHED      3
};

CFATTACH_DECL_NEW(wi_pcmcia, sizeof(struct wi_pcmcia_softc),
    wi_pcmcia_match, wi_pcmcia_attach, wi_pcmcia_detach, wi_activate);

static const struct pcmcia_product wi_pcmcia_products[] = {
        { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
          PCMCIA_CIS_SMC_2632W },

        { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
          PCMCIA_CIS_NANOSPEED_PRISM2 },

        { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
          PCMCIA_CIS_NEC_CMZ_RT_WP },

        { PCMCIA_VENDOR_INVALID, PCMCIA_PRODUCT_INVALID,
          PCMCIA_CIS_NTT_ME_WLAN },

        { PCMCIA_VENDOR_LUCENT, PCMCIA_PRODUCT_LUCENT_HERMES,
          PCMCIA_CIS_INVALID },

        { PCMCIA_VENDOR_LUCENT, PCMCIA_PRODUCT_LUCENT_HERMES2,
          PCMCIA_CIS_INVALID },

        { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CRWE737A,
          PCMCIA_CIS_3COM_3CRWE737A },

        { PCMCIA_VENDOR_3COM, PCMCIA_PRODUCT_3COM_3CRWE777A,
          PCMCIA_CIS_3COM_3CRWE777A },

        { PCMCIA_VENDOR_ALVARION,
          PCMCIA_PRODUCT_ALVARION_BREEZENET,
          PCMCIA_CIS_ALVARION_BREEZENET },

        { PCMCIA_VENDOR_COREGA, PCMCIA_PRODUCT_COREGA_WIRELESS_LAN_PCC_11,
          PCMCIA_CIS_COREGA_WIRELESS_LAN_PCC_11 },

        { PCMCIA_VENDOR_COREGA, PCMCIA_PRODUCT_COREGA_WIRELESS_LAN_PCCA_11,
          PCMCIA_CIS_COREGA_WIRELESS_LAN_PCCA_11 },

        { PCMCIA_VENDOR_COREGA, PCMCIA_PRODUCT_COREGA_WIRELESS_LAN_PCCB_11,
          PCMCIA_CIS_COREGA_WIRELESS_LAN_PCCB_11 },

        { PCMCIA_VENDOR_COREGA, PCMCIA_PRODUCT_COREGA_WIRELESS_LAN_PCCL_11,
          PCMCIA_CIS_COREGA_WIRELESS_LAN_PCCL_11 },

        { PCMCIA_VENDOR_COREGA, PCMCIA_PRODUCT_COREGA_WIRELESS_LAN_WLCFL_11,
          PCMCIA_CIS_COREGA_WIRELESS_LAN_WLCFL_11 },

        { PCMCIA_VENDOR_INTEL, PCMCIA_PRODUCT_INTEL_PRO_WLAN_2011,
          PCMCIA_CIS_INTEL_PRO_WLAN_2011 },

        { PCMCIA_VENDOR_INTERSIL2, PCMCIA_PRODUCT_INTERSIL2_PRISM2,
          PCMCIA_CIS_INTERSIL2_PRISM2 },

        { PCMCIA_VENDOR_INTERSIL2, PCMCIA_PRODUCT_GEMTEK_WLAN,
          PCMCIA_CIS_GEMTEK_WLAN },

        { PCMCIA_VENDOR_SAMSUNG, PCMCIA_PRODUCT_SAMSUNG_SWL_2000N,
          PCMCIA_CIS_SAMSUNG_SWL_2000N },

        { PCMCIA_VENDOR_ELSA, PCMCIA_PRODUCT_ELSA_XI300_IEEE,
          PCMCIA_CIS_ELSA_XI300_IEEE },

        { PCMCIA_VENDOR_ELSA, PCMCIA_PRODUCT_ELSA_XI325_IEEE,
          PCMCIA_CIS_ELSA_XI325_IEEE },

        { PCMCIA_VENDOR_ELSA, PCMCIA_PRODUCT_ELSA_XI800_IEEE,
          PCMCIA_CIS_ELSA_XI800_IEEE },

        { PCMCIA_VENDOR_ELSA, PCMCIA_PRODUCT_ELSA_SMC2531WB,
          PCMCIA_CIS_ELSA_SMC2531WB },

        { PCMCIA_VENDOR_COMPAQ, PCMCIA_PRODUCT_COMPAQ_NC5004,
          PCMCIA_CIS_COMPAQ_NC5004 },

        { PCMCIA_VENDOR_CONTEC, PCMCIA_PRODUCT_CONTEC_FX_DS110_PCC,
          PCMCIA_CIS_CONTEC_FX_DS110_PCC },

        { PCMCIA_VENDOR_TDK, PCMCIA_PRODUCT_TDK_LAK_CD011WL,
          PCMCIA_CIS_TDK_LAK_CD011WL },

        { PCMCIA_VENDOR_IODATA2, PCMCIA_PRODUCT_IODATA2_WNB11PCM,
          PCMCIA_CIS_IODATA2_WNB11PCM },

        { PCMCIA_VENDOR_IODATA2, PCMCIA_PRODUCT_IODATA2_WCF12,
          PCMCIA_CIS_IODATA2_WCF12 },

        { PCMCIA_VENDOR_BUFFALO, PCMCIA_PRODUCT_BUFFALO_WLI_PCM_S11,
          PCMCIA_CIS_BUFFALO_WLI_PCM_S11 },

        { PCMCIA_VENDOR_BUFFALO, PCMCIA_PRODUCT_BUFFALO_WLI_CF_S11G,
          PCMCIA_CIS_BUFFALO_WLI_CF_S11G },

        { PCMCIA_VENDOR_EMTAC, PCMCIA_PRODUCT_EMTAC_WLAN,
          PCMCIA_CIS_EMTAC_WLAN },

        { PCMCIA_VENDOR_INTERSIL, PCMCIA_PRODUCT_INTERSIL_ISL37100P,
          PCMCIA_CIS_INTERSIL_ISL37100P },

        { PCMCIA_VENDOR_INTERSIL, PCMCIA_PRODUCT_INTERSIL_ISL37110P,
          PCMCIA_CIS_INTERSIL_ISL37110P },

        { PCMCIA_VENDOR_INTERSIL, PCMCIA_PRODUCT_INTERSIL_ISL37300P,
          PCMCIA_CIS_INTERSIL_ISL37300P },

        { PCMCIA_VENDOR_SIMPLETECH, PCMCIA_PRODUCT_SIMPLETECH_SPECTRUM24,
          PCMCIA_CIS_SIMPLETECH_SPECTRUM24 },

        { PCMCIA_VENDOR_ERICSSON, PCMCIA_PRODUCT_ERICSSON_WIRELESSLAN,
          PCMCIA_CIS_ERICSSON_WIRELESSLAN },

        { PCMCIA_VENDOR_SYMBOL, PCMCIA_PRODUCT_SYMBOL_LA4100,
          PCMCIA_CIS_SYMBOL_LA4100 },

        { PCMCIA_VENDOR_LINKSYS2, PCMCIA_PRODUCT_LINKSYS2_IWN,
          PCMCIA_CIS_NANOSPEED_PRISM2 },

        { PCMCIA_VENDOR_LINKSYS2, PCMCIA_PRODUCT_LINKSYS2_IWN3,
          PCMCIA_CIS_LINKSYS2_IWN3 },

        { PCMCIA_VENDOR_LINKSYS2, PCMCIA_PRODUCT_LINKSYS2_WCF11,
          PCMCIA_CIS_LINKSYS2_WCF11 },

        { PCMCIA_VENDOR_MICROSOFT, PCMCIA_PRODUCT_MICROSOFT_MN_520,
          PCMCIA_CIS_MICROSOFT_MN_520 },

        { PCMCIA_VENDOR_PLANEX, PCMCIA_PRODUCT_PLANEX_GWNS11H,
          PCMCIA_CIS_PLANEX_GWNS11H },

        { PCMCIA_VENDOR_BAY, PCMCIA_PRODUCT_BAY_EMOBILITY_11B,
          PCMCIA_CIS_BAY_EMOBILITY_11B },

        { PCMCIA_VENDOR_ACTIONTEC, PCMCIA_PRODUCT_ACTIONTEC_PRISM,
          PCMCIA_CIS_ACTIONTEC_PRISM },

        { PCMCIA_VENDOR_DLINK_2, PCMCIA_PRODUCT_DLINK_DWL650H,
          PCMCIA_CIS_DLINK_DWL650H },

        { PCMCIA_VENDOR_FUJITSU, PCMCIA_PRODUCT_FUJITSU_WL110,
          PCMCIA_CIS_FUJITSU_WL110 },

        { PCMCIA_VENDOR_ARTEM, PCMCIA_PRODUCT_ARTEM_ONAIR,
          PCMCIA_CIS_ARTEM_ONAIR },

        { PCMCIA_VENDOR_ASUSTEK, PCMCIA_PRODUCT_ASUSTEK_WL_100,
          PCMCIA_CIS_ASUSTEK_WL_100 },

        { PCMCIA_VENDOR_PROXIM, PCMCIA_PRODUCT_PROXIM_RANGELANDS_8430,
          PCMCIA_CIS_PROXIM_RANGELANDS_8430 },

        { PCMCIA_VENDOR_SIEMENS, PCMCIA_PRODUCT_SIEMENS_SS1021,
          PCMCIA_CIS_SIEMENS_SS1021 },
};
static const size_t wi_pcmcia_nproducts =
    sizeof(wi_pcmcia_products) / sizeof(wi_pcmcia_products[0]);

static int
wi_pcmcia_match(device_t parent, cfdata_t match, void *aux)
{
        struct pcmcia_attach_args *pa = aux;

        if (pcmcia_product_lookup(pa, wi_pcmcia_products, wi_pcmcia_nproducts,
            sizeof(wi_pcmcia_products[0]), NULL))
                return 1;
        return 0;
}

static int
wi_pcmcia_enable(device_t self, int onoff)
{
        struct wi_pcmcia_softc *psc = device_private(self);
        struct wi_softc *sc = &psc->sc_wi;
        struct pcmcia_function *pf = psc->sc_pf;
        int error;

        if (onoff) {
                /* establish the interrupt. */
                sc->sc_ih = pcmcia_intr_establish(pf, IPL_NET, wi_intr, sc);
                if (sc->sc_ih == NULL)
                        return EIO;

                error = pcmcia_function_enable(pf);
                if (error) {
                        pcmcia_intr_disestablish(pf, sc->sc_ih);
                        sc->sc_ih = NULL;
                        return EIO;
                }

                if (psc->sc_symbol_cf) {
#if WI_PCMCIA_SPECTRUM24T_FW
                        if (wi_pcmcia_load_firm(sc,
                            spectrum24t_primsym, sizeof(spectrum24t_primsym),
                            spectrum24t_secsym, sizeof(spectrum24t_secsym))) {
                                aprint_error_dev(sc->sc_dev,
                                    "couldn't load firmware\n");
                                wi_pcmcia_enable(self, 0);
                                return EIO;
                        }
#else
                        aprint_error_dev(sc->sc_dev,
                            "firmware load not configured\n");
                        return EIO;
#endif
                }
                DELAY(1000);
        } else {
                pcmcia_function_disable(psc->sc_pf);
                if (sc->sc_ih != NULL) {
                        pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);
                        sc->sc_ih = NULL;
                }
        }

        return 0;
}

static int
wi_pcmcia_validate_config(struct pcmcia_config_entry *cfe)
{
        if (cfe->iftype != PCMCIA_IFTYPE_IO ||
            cfe->num_iospace != 1 ||
            cfe->iospace[0].length < WI_IOSIZE)
                return EINVAL;
        cfe->num_memspace = 0;
        return 0;
}

static void
wi_pcmcia_attach(device_t parent, device_t self, void *aux)
{
        struct wi_pcmcia_softc *psc = device_private(self);
        struct wi_softc *sc = &psc->sc_wi;
        struct pcmcia_attach_args *pa = aux;
        struct pcmcia_config_entry *cfe;
        int haveaddr;
        int error;

        aprint_naive("\n");

        sc->sc_dev = self;
        psc->sc_pf = pa->pf;

        error = pcmcia_function_configure(pa->pf, wi_pcmcia_validate_config);
        if (error) {
                aprint_error_dev(self, "configure failed, error=%d\n", error);
                return;
        }

        cfe = pa->pf->cfe;
        sc->sc_iot = cfe->iospace[0].handle.iot;
        sc->sc_ioh = cfe->iospace[0].handle.ioh;

        if (pa->manufacturer == PCMCIA_VENDOR_SYMBOL &&
            pa->product == PCMCIA_PRODUCT_SYMBOL_LA4100)
                psc->sc_symbol_cf = 1;
        /*
         * XXX: Sony PEGA-WL100 CF card has a same vendor/product id as
         *      Intel PCMCIA card.  It may be incorrect to detect by the
         *      initial value of COR register.
         */
        if (pa->manufacturer == PCMCIA_VENDOR_INTEL &&
            pa->product == PCMCIA_PRODUCT_INTEL_PRO_WLAN_2011 &&
            CSR_READ_2(sc, WI_COR) == WI_COR_IOMODE)
                psc->sc_symbol_cf = 1;

        error = wi_pcmcia_enable(self, 1);
        if (error)
                goto fail;

        sc->sc_pci = 0;
        sc->sc_enable = wi_pcmcia_enable;

        printf("%s:", device_xname(self));

        haveaddr = pa->pf->pf_funce_lan_nidlen == IEEE80211_ADDR_LEN;
        if (wi_attach(sc, haveaddr ? pa->pf->pf_funce_lan_nid : 0) != 0) {
                aprint_error_dev(self, "failed to attach controller\n");
                goto fail2;
        }

        if (pmf_device_register(self, NULL, NULL))
                pmf_class_network_register(self, &sc->sc_if);
        else
                aprint_error_dev(self, "couldn't establish power handler\n");

        wi_pcmcia_enable(self, 0);
        psc->sc_state = WI_PCMCIA_ATTACHED;
        return;

fail2:
        wi_pcmcia_enable(self, 0);
fail:
        pcmcia_function_unconfigure(pa->pf);
}

static int
wi_pcmcia_detach(device_t self, int flags)
{
        struct wi_pcmcia_softc *psc = device_private(self);
        struct wi_softc *sc = &psc->sc_wi;
        int error;

        if (psc->sc_state != WI_PCMCIA_ATTACHED)
                return 0;

        error = wi_detach(&psc->sc_wi);
        if (error != 0)
                return error;

        if (sc->sc_ih != NULL)
                pcmcia_intr_disestablish(psc->sc_pf, sc->sc_ih);

        pcmcia_function_unconfigure(psc->sc_pf);

        return 0;
}

/*
 * Special routines to download firmware for Symbol CF card.
 * XXX: This should be modified generic into any PRISM-2 based card.
 */

#define WI_SBCF_PDIADDR         0x3100

/* unaligned load little endian */
#define GETLE32(p)      ((p)[0] | ((p)[1]<<8) | ((p)[2]<<16) | ((p)[3]<<24))
#define GETLE16(p)      ((p)[0] | ((p)[1]<<8))

#if WI_PCMCIA_SPECTRUM24T_FW
static int
wi_pcmcia_load_firm(struct wi_softc *sc, const void *primsym, int primlen,
    const void *secsym, int seclen)
{
        u_int8_t ebuf[256];
        int i;

        /* load primary code and run it */
        wi_pcmcia_set_hcr(sc, WI_HCR_EEHOLD);
        if (wi_pcmcia_write_firm(sc, primsym, primlen, NULL, 0))
                return EIO;
        wi_pcmcia_set_hcr(sc, WI_HCR_RUN);
        for (i = 0; ; i++) {
                if (i == 10)
                        return ETIMEDOUT;
                tsleep(sc, PWAIT, "wiinit", 1);
                if (CSR_READ_2(sc, WI_CNTL) == WI_CNTL_AUX_ENA_STAT)
                        break;
                /* write the magic key value to unlock aux port */
                CSR_WRITE_2(sc, WI_PARAM0, WI_AUX_KEY0);
                CSR_WRITE_2(sc, WI_PARAM1, WI_AUX_KEY1);
                CSR_WRITE_2(sc, WI_PARAM2, WI_AUX_KEY2);
                CSR_WRITE_2(sc, WI_CNTL, WI_CNTL_AUX_ENA_CNTL);
        }

        /* issue read EEPROM command: XXX copied from wi_cmd() */
        CSR_WRITE_2(sc, WI_PARAM0, 0);
        CSR_WRITE_2(sc, WI_PARAM1, 0);
        CSR_WRITE_2(sc, WI_PARAM2, 0);
        CSR_WRITE_2(sc, WI_COMMAND, WI_CMD_READEE);
        for (i = 0; i < WI_TIMEOUT; i++) {
                if (CSR_READ_2(sc, WI_EVENT_STAT) & WI_EV_CMD)
                        break;
                DELAY(1);
        }
        CSR_WRITE_2(sc, WI_EVENT_ACK, WI_EV_CMD);

        CSR_WRITE_2(sc, WI_AUX_PAGE, WI_SBCF_PDIADDR / WI_AUX_PGSZ);
        CSR_WRITE_2(sc, WI_AUX_OFFSET, WI_SBCF_PDIADDR % WI_AUX_PGSZ);
        CSR_READ_MULTI_STREAM_2(sc, WI_AUX_DATA,
            (u_int16_t *)ebuf, sizeof(ebuf) / 2);
        if (GETLE16(ebuf) > sizeof(ebuf))
                return EIO;
        if (wi_pcmcia_write_firm(sc, secsym, seclen, ebuf + 4, GETLE16(ebuf)))
                return EIO;
        return 0;
}

static int
wi_pcmcia_write_firm(struct wi_softc *sc, const void *buf, int buflen,
    const void *ebuf, int ebuflen)
{
        const u_int8_t *p, *ep, *q, *eq;
        char *endp;
        u_int32_t addr, id, eid;
        int i, len, elen, nblk, pdrlen;

        /*
         * Parse the header of the firmware image.
         */
        p = buf;
        ep = p + buflen;
        while (p < ep && *p++ != ' ');  /* FILE: */
        while (p < ep && *p++ != ' ');  /* filename */
        while (p < ep && *p++ != ' ');  /* type of the firmware */
        nblk = strtoul(p, &endp, 10);
        p = (void *)endp;
        pdrlen = strtoul(p + 1, &endp, 10);
        p = (void *)endp;
        while (p < ep && *p++ != 0x1a); /* skip rest of header */

        /*
         * Block records: address[4], length[2], data[length];
         */
        for (i = 0; i < nblk; i++) {
                addr = GETLE32(p);      p += 4;
                len  = GETLE16(p);      p += 2;
                CSR_WRITE_2(sc, WI_AUX_PAGE, addr / WI_AUX_PGSZ);
                CSR_WRITE_2(sc, WI_AUX_OFFSET, addr % WI_AUX_PGSZ);
                CSR_WRITE_MULTI_STREAM_2(sc, WI_AUX_DATA,
                    (const u_int16_t *)p, len / 2);
                p += len;
        }

        /*
         * PDR: id[4], address[4], length[4];
         */
        for (i = 0; i < pdrlen; ) {
                id   = GETLE32(p);      p += 4; i += 4;
                addr = GETLE32(p);      p += 4; i += 4;
                len  = GETLE32(p);      p += 4; i += 4;
                /* replace PDR entry with the values from EEPROM, if any */
                for (q = ebuf, eq = q + ebuflen; q < eq; q += elen * 2) {
                        elen = GETLE16(q);      q += 2;
                        eid  = GETLE16(q);      q += 2;
                        elen--;         /* elen includes eid */
                        if (eid == 0)
                                break;
                        if (eid != id)
                                continue;
                        CSR_WRITE_2(sc, WI_AUX_PAGE, addr / WI_AUX_PGSZ);
                        CSR_WRITE_2(sc, WI_AUX_OFFSET, addr % WI_AUX_PGSZ);
                        CSR_WRITE_MULTI_STREAM_2(sc, WI_AUX_DATA,
                            (const u_int16_t *)q, len / 2);
                        break;
                }
        }
        return 0;
}

static int
wi_pcmcia_set_hcr(struct wi_softc *sc, int mode)
{
        u_int16_t hcr;

        CSR_WRITE_2(sc, WI_COR, WI_COR_RESET);
        tsleep(sc, PWAIT, "wiinit", 1);
        hcr = CSR_READ_2(sc, WI_HCR);
        hcr = (hcr & WI_HCR_4WIRE) | (mode & ~WI_HCR_4WIRE);
        CSR_WRITE_2(sc, WI_HCR, hcr);
        tsleep(sc, PWAIT, "wiinit", 1);
        CSR_WRITE_2(sc, WI_COR, WI_COR_IOMODE);
        tsleep(sc, PWAIT, "wiinit", 1);
        return 0;
}
#endif