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if_an_isapnp.c revision 1.17 
      1 /*	$NetBSD: if_an_isapnp.c,v 1.17 2008/04/08 20:09:27 cegger Exp $	*/
      2 
      3 /*-
      4  * Copyright (c) 2000 The NetBSD Foundation, Inc.
      5  * All rights reserved.
      6  *
      7  * This code is derived from software contributed to The NetBSD Foundation
      8  * by Jason R. Thorpe.
      9  *
     10  * Redistribution and use in source and binary forms, with or without
     11  * modification, are permitted provided that the following conditions
     12  * are met:
     13  * 1. Redistributions of source code must retain the above copyright
     14  *    notice, this list of conditions and the following disclaimer.
     15  * 2. Redistributions in binary form must reproduce the above copyright
     16  *    notice, this list of conditions and the following disclaimer in the
     17  *    documentation and/or other materials provided with the distribution.
     18  * 3. All advertising materials mentioning features or use of this software
     19  *    must display the following acknowledgement:
     20  *	This product includes software developed by the NetBSD
     21  *	Foundation, Inc. and its contributors.
     22  * 4. Neither the name of The NetBSD Foundation nor the names of its
     23  *    contributors may be used to endorse or promote products derived
     24  *    from this software without specific prior written permission.
     25  *
     26  * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS
     27  * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED
     28  * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
     29  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS
     30  * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
     31  * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
     32  * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS
     33  * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
     34  * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
     35  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE
     36  * POSSIBILITY OF SUCH DAMAGE.
     37  */
     38 
     39 /*
     40  * ISAPnP bus front-end for the Aironet ISA4500/ISA4800 Wireless LAN Adapter.
     41  * Unlike WaveLAN, this adapter is attached as an ISA device using an address
     42  * decoder hack.
     43  */
     44 
     45 #include <sys/cdefs.h>
     46 __KERNEL_RCSID(0, "$NetBSD: if_an_isapnp.c,v 1.17 2008/04/08 20:09:27 cegger Exp $");
     47 
     48 #include <sys/param.h>
     49 #include <sys/systm.h>
     50 #include <sys/mbuf.h>
     51 #include <sys/malloc.h>
     52 #include <sys/kernel.h>
     53 #include <sys/socket.h>
     54 #include <sys/ioctl.h>
     55 #include <sys/errno.h>
     56 #include <sys/device.h>
     57 #include <sys/callout.h>
     58 
     59 #include <net/if.h>
     60 #include <net/if_dl.h>
     61 #include <net/if_media.h>
     62 #include <net/if_ether.h>
     63 
     64 #include <net80211/ieee80211_netbsd.h>
     65 #include <net80211/ieee80211_var.h>
     66 
     67 #include <sys/bus.h>
     68 #include <sys/intr.h>
     69 
     70 #include <dev/ic/anreg.h>
     71 #include <dev/ic/anvar.h>
     72 
     73 #include <dev/isa/isavar.h>
     74 
     75 #include <dev/isapnp/isapnpreg.h>
     76 #include <dev/isapnp/isapnpvar.h>
     77 #include <dev/isapnp/isapnpdevs.h>
     78 
     79 int	an_isapnp_match(struct device *, struct cfdata *, void *);
     80 void	an_isapnp_attach(struct device *, struct device *, void *);
     81 
     82 struct an_isapnp_softc {
     83 	struct an_softc sc_an;			/* real "an" softc */
     84 
     85 	/* ISA-specific goo. */
     86 	void	*sc_ih;				/* interrupt cookie */
     87 };
     88 
     89 CFATTACH_DECL(an_isapnp, sizeof(struct an_isapnp_softc),
     90     an_isapnp_match, an_isapnp_attach, NULL, NULL);
     91 
     92 int
     93 an_isapnp_match(struct device *parent, struct cfdata *match,
     94     void *aux)
     95 {
     96 	int pri, variant;
     97 
     98 	pri = isapnp_devmatch(aux, &isapnp_an_devinfo, &variant);
     99 	if (pri && variant > 0)
    100 		pri = 0;
    101 	return (pri);
    102 }
    103 
    104 void
    105 an_isapnp_attach(struct device *parent, struct device *self, void *aux)
    106 {
    107 	struct an_isapnp_softc *isc = device_private(self);
    108 	struct an_softc *sc = &isc->sc_an;
    109 	struct isapnp_attach_args *ipa = aux;
    110 
    111 	printf("\n");
    112 
    113 	if (isapnp_config(ipa->ipa_iot, ipa->ipa_memt, ipa)) {
    114 		aprint_error_dev(&sc->sc_dev, "can't configure isapnp resources\n");
    115 		return;
    116 	}
    117 
    118 	sc->sc_iot = ipa->ipa_iot;
    119 	sc->sc_ioh = ipa->ipa_io[0].h;
    120 
    121 	printf("%s: %s %s\n", device_xname(&sc->sc_dev), ipa->ipa_devident,
    122 	    ipa->ipa_devclass);
    123 
    124 	/* This interface is always enabled. */
    125 	sc->sc_enabled = 1;
    126 
    127 	/* Establish the interrupt handler. */
    128 	isc->sc_ih = isa_intr_establish(ipa->ipa_ic, ipa->ipa_irq[0].num,
    129 	    ipa->ipa_irq[0].type, IPL_NET, an_intr, sc);
    130 	if (isc->sc_ih == NULL) {
    131 		aprint_error_dev(&sc->sc_dev, "couldn't establish interrupt handler\n");
    132 		return;
    133 	}
    134 
    135 	if (an_attach(sc) != 0) {
    136 		aprint_error_dev(&sc->sc_dev, "failed to attach controller\n");
    137 		isa_intr_disestablish(ipa->ipa_ic, isc->sc_ih);
    138 		isc->sc_ih = NULL;
    139 	}
    140 }
    141