fbfb97942e
there's not dependencies on pccard symboles, such a dependency is not necessary. This means that drivers that have multiple attachments can not drag bogus devices into the kernel at load time. We can't (yet) do this with pci and isa. Drivers written for them actually do seem to have symbols that depend on these busses' implementation code. ndis not touched until other things can be tested.
304 lines
8.1 KiB
C
304 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 <dev/pccard/pccarddevs.h>
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#include "card_if.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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