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Annotation of sys/dev/isa/if_ep_isapnp.c, Revision 1.1

1.1     ! nbrk        1: /*     $OpenBSD: if_ep_isapnp.c,v 1.10 2006/06/17 17:57:00 brad Exp $  */
        !             2: /*     $NetBSD: if_ep_isapnp.c,v 1.5 1996/05/12 23:52:36 mycroft Exp $ */
        !             3:
        !             4: /*
        !             5:  * Copyright (c) 1996 Jason R. Thorpe <thorpej@beer.org>
        !             6:  * Copyright (c) 1994 Herb Peyerl <hpeyerl@beer.org>
        !             7:  * All rights reserved.
        !             8:  *
        !             9:  * Redistribution and use in source and binary forms, with or without
        !            10:  * modification, are permitted provided that the following conditions
        !            11:  * are met:
        !            12:  * 1. Redistributions of source code must retain the above copyright
        !            13:  *    notice, this list of conditions and the following disclaimer.
        !            14:  * 2. Redistributions in binary form must reproduce the above copyright
        !            15:  *    notice, this list of conditions and the following disclaimer in the
        !            16:  *    documentation and/or other materials provided with the distribution.
        !            17:  * 3. All advertising materials mentioning features or use of this software
        !            18:  *    must display the following acknowledgement:
        !            19:  *      This product includes software developed by Herb Peyerl.
        !            20:  * 4. The name of Herb Peyerl may not be used to endorse or promote products
        !            21:  *    derived from this software without specific prior written permission.
        !            22:  *
        !            23:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
        !            24:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
        !            25:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
        !            26:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
        !            27:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
        !            28:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
        !            29:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
        !            30:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
        !            31:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
        !            32:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
        !            33:  *
        !            34:  * Note: Most of the code here was written by Theo de Raadt originally,
        !            35:  * ie. all the mechanics of probing for all cards on first call and then
        !            36:  * searching for matching devices on subsequent calls.
        !            37:  */
        !            38:
        !            39: #include "bpfilter.h"
        !            40:
        !            41: #include <sys/param.h>
        !            42: #include <sys/systm.h>
        !            43: #include <sys/mbuf.h>
        !            44: #include <sys/socket.h>
        !            45: #include <sys/ioctl.h>
        !            46: #include <sys/errno.h>
        !            47: #include <sys/syslog.h>
        !            48: #include <sys/selinfo.h>
        !            49: #include <sys/device.h>
        !            50: #include <sys/timeout.h>
        !            51: #include <sys/queue.h>
        !            52:
        !            53: #include <net/if.h>
        !            54: #include <net/if_dl.h>
        !            55: #include <net/if_types.h>
        !            56: #include <net/netisr.h>
        !            57: #include <net/if_media.h>
        !            58:
        !            59: #ifdef INET
        !            60: #include <netinet/in.h>
        !            61: #include <netinet/in_systm.h>
        !            62: #include <netinet/in_var.h>
        !            63: #include <netinet/ip.h>
        !            64: #include <netinet/if_ether.h>
        !            65: #endif
        !            66:
        !            67: #if NBPFILTER > 0
        !            68: #include <net/bpf.h>
        !            69: #endif
        !            70:
        !            71: #include <machine/cpu.h>
        !            72: #include <machine/bus.h>
        !            73: #include <machine/intr.h>
        !            74:
        !            75: #include <dev/mii/mii.h>
        !            76: #include <dev/mii/miivar.h>
        !            77:
        !            78: #include <dev/ic/elink3var.h>
        !            79: #include <dev/ic/elink3reg.h>
        !            80:
        !            81: #include <dev/isa/isavar.h>
        !            82: #include <dev/isa/elink.h>
        !            83:
        !            84: int ep_isapnp_match(struct device *, void *, void *);
        !            85: void ep_isapnp_attach(struct device *, struct device *, void *);
        !            86:
        !            87: struct cfattach ep_isapnp_ca = {
        !            88:        sizeof(struct ep_softc), ep_isapnp_match, ep_isapnp_attach
        !            89: };
        !            90:
        !            91: /*
        !            92:  * 3c509 cards on the ISA bus are probed in ethernet address order.
        !            93:  * The probe sequence requires careful orchestration, and we'd like
        !            94:  * like to allow the irq and base address to be wildcarded. So, we
        !            95:  * probe all the cards the first time epprobe() is called. On subsequent
        !            96:  * calls we look for matching cards.
        !            97:  */
        !            98: int
        !            99: ep_isapnp_match(parent, match, aux)
        !           100:        struct device *parent;
        !           101:        void *match, *aux;
        !           102: {
        !           103:        /* XXX This should be more intelligent */
        !           104:        return 1;
        !           105: }
        !           106:
        !           107: void
        !           108: ep_isapnp_attach(parent, self, aux)
        !           109:        struct device *parent, *self;
        !           110:        void *aux;
        !           111: {
        !           112:        struct ep_softc *sc = (void *)self;
        !           113:        struct isa_attach_args *ia = aux;
        !           114:        bus_space_tag_t iot = ia->ia_iot;
        !           115:        bus_space_handle_t ioh;
        !           116:
        !           117:        sc->sc_iot = iot = ia->ia_iot;
        !           118:        sc->sc_ioh = ioh = ia->ipa_io[0].h;
        !           119:        sc->bustype = EP_BUS_ISA;
        !           120:
        !           121:        printf(":");
        !           122:
        !           123:        /* Should look at ia->ia_devident... */
        !           124:        epconfig(sc, EP_CHIPSET_3C509, NULL);
        !           125:
        !           126:        sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
        !           127:            IPL_NET, epintr, sc, sc->sc_dev.dv_xname);
        !           128: }