305 lines
8.1 KiB
C
305 lines
8.1 KiB
C
/*
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* Copyright (c) 2000 Atsushi Onoe <onoe@sm.sony.co.jp>
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include <sys/cdefs.h>
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__FBSDID("$FreeBSD$");
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#include <sys/param.h>
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#include <sys/systm.h>
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#include <sys/kernel.h>
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#include <sys/socket.h>
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#include <sys/module.h>
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#include <sys/bus.h>
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#include <machine/bus.h>
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#include <machine/resource.h>
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#include <sys/rman.h>
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#include <net/if.h>
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#include <net/if_arp.h>
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#include <net/if_media.h>
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#include <net/ethernet.h>
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#include <net80211/ieee80211_var.h>
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#include <dev/awi/am79c930reg.h>
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#include <dev/awi/am79c930var.h>
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#include <dev/awi/awireg.h>
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#include <dev/awi/awivar.h>
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#include <dev/pccard/pccardvar.h>
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#include "card_if.h"
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#include "pccarddevs.h"
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struct awi_pccard_softc {
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struct awi_softc sc_awi;
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u_int8_t sc_version[AWI_BANNER_LEN];
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int sc_intr_mask;
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void *sc_intrhand;
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struct resource *sc_irq_res;
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int sc_irq_rid;
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struct resource *sc_port_res;
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int sc_port_rid;
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struct resource *sc_mem_res;
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int sc_mem_rid;
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};
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static const struct pccard_product awi_pccard_products[] = {
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PCMCIA_CARD(AMD, AM79C930, 0),
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PCMCIA_CARD(BAY, STACK_650, 0),
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PCMCIA_CARD(BAY, STACK_660, 0),
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PCMCIA_CARD(BAY, SURFER_PRO, 0),
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PCMCIA_CARD(ICOM, SL200, 0),
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PCMCIA_CARD(NOKIA, C020_WLAN, 0),
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PCMCIA_CARD(FARALLON, SKYLINE, 0),
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PCMCIA_CARD(ZOOM, AIR_4000, 0),
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{ NULL }
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};
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static int awi_pccard_match(device_t);
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static int awi_pccard_probe(device_t);
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static int awi_pccard_attach(device_t);
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static int awi_pccard_detach(device_t);
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static void awi_pccard_shutdown(device_t);
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static int awi_pccard_enable(struct awi_softc *);
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static void awi_pccard_disable(struct awi_softc *);
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static int
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awi_pccard_match(device_t dev)
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{
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const struct pccard_product *pp;
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if ((pp = pccard_product_lookup(dev, awi_pccard_products,
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sizeof(awi_pccard_products[0]), NULL)) != NULL) {
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if (pp->pp_name != NULL)
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device_set_desc(dev, pp->pp_name);
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return 0;
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}
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return ENXIO;
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}
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/*
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* Initialize the device - called from Slot manager.
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*/
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static int
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awi_pccard_probe(device_t dev)
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{
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struct awi_pccard_softc *psc = device_get_softc(dev);
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struct awi_softc *sc = &psc->sc_awi;
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int error = 0;
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psc->sc_port_rid = 0;
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psc->sc_port_res = bus_alloc_resource(dev, SYS_RES_IOPORT,
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&psc->sc_port_rid, 0, ~0, AM79C930_IO_SIZE,
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rman_make_alignment_flags(AM79C930_IO_ALIGN) | RF_ACTIVE);
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if (!psc->sc_port_res)
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return ENOMEM;
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sc->sc_chip.sc_iot = rman_get_bustag(psc->sc_port_res);
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sc->sc_chip.sc_ioh = rman_get_bushandle(psc->sc_port_res);
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am79c930_chip_init(&sc->sc_chip, 0);
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tsleep(sc, PWAIT, "awiprb", 1);
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awi_read_bytes(sc, AWI_BANNER, psc->sc_version, AWI_BANNER_LEN);
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if (memcmp(psc->sc_version, "PCnetMobile:", 12) != 0) {
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device_printf(dev, "awi_pccard_probe: bad banner: %12D\n",
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psc->sc_version, " ");
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error = ENXIO;
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} else
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device_set_desc(dev, psc->sc_version);
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bus_release_resource(dev, SYS_RES_IOPORT, psc->sc_port_rid,
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psc->sc_port_res);
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psc->sc_port_res = 0;
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return error;
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}
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static int
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awi_pccard_attach(device_t dev)
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{
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struct awi_pccard_softc *psc = device_get_softc(dev);
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struct awi_softc *sc = &psc->sc_awi;
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int error = 0;
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psc->sc_port_res = 0;
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psc->sc_irq_res = 0;
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psc->sc_mem_res = 0;
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psc->sc_intrhand = 0;
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psc->sc_port_rid = 0;
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psc->sc_port_res = bus_alloc_resource(dev, SYS_RES_IOPORT,
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&psc->sc_port_rid, 0, ~0, 16,
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rman_make_alignment_flags(64) | RF_ACTIVE);
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if (!psc->sc_port_res) {
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device_printf(dev, "awi_pccard_attach: port alloc failed\n");
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goto fail;
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}
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sc->sc_chip.sc_iot = rman_get_bustag(psc->sc_port_res);
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sc->sc_chip.sc_ioh = rman_get_bushandle(psc->sc_port_res);
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psc->sc_irq_rid = 0;
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psc->sc_irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ,
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&psc->sc_irq_rid, RF_ACTIVE);
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if (!psc->sc_irq_res) {
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device_printf(dev, "awi_pccard_attach: irq alloc failed\n");
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goto fail;
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}
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psc->sc_mem_rid = 0;
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#if 1
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/*
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* XXX: awi needs to access memory with 8bit,
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* but pccardd apparently maps memory with MDF_16BITS flag.
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* So memory mapped access is disabled and use IO port instead.
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* Also, memory mapping is not yet supported on pccard.
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*/
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psc->sc_mem_res = 0;
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#else
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psc->sc_mem_res = bus_alloc_resource(dev, SYS_RES_MEMORY,
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&psc->sc_mem_rid, 0, ~0, 0x8000, RF_ACTIVE);
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#endif
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if (psc->sc_mem_res) {
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sc->sc_chip.sc_memt = rman_get_bustag(psc->sc_mem_res);
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sc->sc_chip.sc_memh = rman_get_bushandle(psc->sc_mem_res);
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am79c930_chip_init(&sc->sc_chip, 1);
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} else
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am79c930_chip_init(&sc->sc_chip, 0);
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sc->sc_dev = dev;
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sc->sc_cansleep = 1;
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sc->sc_enable = awi_pccard_enable;
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sc->sc_disable = awi_pccard_disable;
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if (awi_pccard_enable(sc))
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goto fail;
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sc->sc_enabled = 1;
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error = awi_attach(sc);
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sc->sc_enabled = 0; /*XXX*/
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awi_pccard_disable(sc);
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if (error == 0)
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return 0;
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device_printf(dev, "awi_pccard_attach: awi_attach failed\n");
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fail:
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awi_pccard_detach(dev);
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if (error == 0)
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error = ENXIO;
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return error;
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}
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static int
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awi_pccard_detach(device_t dev)
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{
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struct awi_pccard_softc *psc = device_get_softc(dev);
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struct awi_softc *sc = &psc->sc_awi;
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awi_detach(sc);
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if (psc->sc_mem_res) {
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bus_release_resource(dev, SYS_RES_MEMORY, psc->sc_mem_rid,
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psc->sc_mem_res);
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psc->sc_mem_res = 0;
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}
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if (psc->sc_irq_res) {
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bus_release_resource(dev, SYS_RES_IRQ, psc->sc_irq_rid,
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psc->sc_irq_res);
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psc->sc_irq_res = 0;
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}
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if (psc->sc_port_res) {
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bus_release_resource(dev, SYS_RES_IOPORT, psc->sc_port_rid,
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psc->sc_port_res);
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psc->sc_port_res = 0;
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}
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return 0;
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}
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static void
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awi_pccard_shutdown(device_t dev)
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{
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struct awi_pccard_softc *psc = device_get_softc(dev);
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struct awi_softc *sc = &psc->sc_awi;
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awi_shutdown(sc);
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}
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static int
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awi_pccard_enable(struct awi_softc *sc)
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{
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device_t dev = sc->sc_dev;
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struct awi_pccard_softc *psc = device_get_softc(dev);
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int error;
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if (psc->sc_intrhand == 0) {
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error = bus_setup_intr(dev, psc->sc_irq_res, INTR_TYPE_NET,
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(void (*)(void *))awi_intr, sc, &psc->sc_intrhand);
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if (error) {
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device_printf(dev,
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"couldn't establish interrupt error=%d\n", error);
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return error;
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}
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}
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return 0;
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}
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static void
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awi_pccard_disable(struct awi_softc *sc)
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{
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device_t dev = sc->sc_dev;
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struct awi_pccard_softc *psc = device_get_softc(dev);
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if (psc->sc_intrhand) {
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bus_teardown_intr(dev, psc->sc_irq_res, psc->sc_intrhand);
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psc->sc_intrhand = 0;
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}
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}
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static device_method_t awi_pccard_methods[] = {
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/* Device interface */
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DEVMETHOD(device_probe, pccard_compat_probe),
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DEVMETHOD(device_attach, pccard_compat_attach),
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DEVMETHOD(device_detach, awi_pccard_detach),
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DEVMETHOD(device_shutdown, awi_pccard_shutdown),
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/* Card interface */
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DEVMETHOD(card_compat_match, awi_pccard_match),
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DEVMETHOD(card_compat_probe, awi_pccard_probe),
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DEVMETHOD(card_compat_attach, awi_pccard_attach),
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{ 0, 0 }
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};
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static driver_t awi_pccard_driver = {
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"awi",
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awi_pccard_methods,
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sizeof(struct awi_pccard_softc),
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};
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extern devclass_t awi_devclass;
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DRIVER_MODULE(awi, pccard, awi_pccard_driver, awi_devclass, 0, 0);
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MODULE_DEPEND(awi, wlan, 1, 1, 1);
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