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

1.1     ! nbrk        1: /*     $OpenBSD: if_le_isapnp.c,v 1.12 2007/06/17 21:20:47 jasper Exp $        */
        !             2: /*     $NetBSD: if_le_isa.c,v 1.2 1996/05/12 23:52:56 mycroft Exp $    */
        !             3:
        !             4: /*-
        !             5:  * Copyright (c) 1995 Charles M. Hannum.  All rights reserved.
        !             6:  * Copyright (c) 1992, 1993
        !             7:  *     The Regents of the University of California.  All rights reserved.
        !             8:  *
        !             9:  * This code is derived from software contributed to Berkeley by
        !            10:  * Ralph Campbell and Rick Macklem.
        !            11:  *
        !            12:  * Redistribution and use in source and binary forms, with or without
        !            13:  * modification, are permitted provided that the following conditions
        !            14:  * are met:
        !            15:  * 1. Redistributions of source code must retain the above copyright
        !            16:  *    notice, this list of conditions and the following disclaimer.
        !            17:  * 2. Redistributions in binary form must reproduce the above copyright
        !            18:  *    notice, this list of conditions and the following disclaimer in the
        !            19:  *    documentation and/or other materials provided with the distribution.
        !            20:  * 3. Neither the name of the University nor the names of its contributors
        !            21:  *    may be used to endorse or promote products derived from this software
        !            22:  *    without specific prior written permission.
        !            23:  *
        !            24:  * THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
        !            25:  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
        !            26:  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
        !            27:  * ARE DISCLAIMED.  IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
        !            28:  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
        !            29:  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
        !            30:  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
        !            31:  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
        !            32:  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
        !            33:  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
        !            34:  * SUCH DAMAGE.
        !            35:  *
        !            36:  *     @(#)if_le.c     8.2 (Berkeley) 11/16/93
        !            37:  */
        !            38:
        !            39: #include "bpfilter.h"
        !            40: #include "isadma.h"
        !            41:
        !            42: #include <sys/param.h>
        !            43: #include <sys/systm.h>
        !            44: #include <sys/mbuf.h>
        !            45: #include <sys/syslog.h>
        !            46: #include <sys/socket.h>
        !            47: #include <sys/device.h>
        !            48:
        !            49: #include <net/if.h>
        !            50: #include <net/if_media.h>
        !            51:
        !            52: #ifdef INET
        !            53: #include <netinet/in.h>
        !            54: #include <netinet/if_ether.h>
        !            55: #endif
        !            56:
        !            57: #include <machine/cpu.h>
        !            58: #include <machine/intr.h>
        !            59:
        !            60: #include <dev/isa/isareg.h>
        !            61: #include <dev/isa/isavar.h>
        !            62: #include <dev/isa/isadmavar.h>
        !            63:
        !            64: #include <dev/ic/am7990reg.h>
        !            65: #include <dev/ic/am7990var.h>
        !            66:
        !            67: #include <dev/isa/if_levar.h>
        !            68:
        !            69: int    le_isapnp_match(struct device *, void *, void *);
        !            70: void   le_isapnp_attach(struct device *, struct device *, void *);
        !            71:
        !            72: struct cfattach le_isapnp_ca = {
        !            73:        sizeof(struct le_softc), le_isapnp_match, le_isapnp_attach
        !            74: };
        !            75:
        !            76: int
        !            77: le_isapnp_match(struct device *parent, void *match, void *aux)
        !            78: {
        !            79:        return 1;
        !            80: }
        !            81:
        !            82: void
        !            83: le_isapnp_attach(struct device *parent, struct device *self, void *aux)
        !            84: {
        !            85:        struct le_softc *lesc = (void *)self;
        !            86:        struct isa_attach_args *ia = aux;
        !            87:        struct am7990_softc *sc = &lesc->sc_am7990;
        !            88:        bus_space_tag_t iot = lesc->sc_iot;
        !            89:        bus_space_handle_t ioh = lesc->sc_ioh;
        !            90:        int i;
        !            91:
        !            92:        lesc->sc_iot = iot = ia->ia_iot;
        !            93:        lesc->sc_ioh = ioh = ia->ipa_io[0].h;
        !            94:        lesc->sc_rap = NE2100_RAP;
        !            95:        lesc->sc_rdp = NE2100_RDP;
        !            96:        lesc->sc_card = NE2100;
        !            97:
        !            98:        /*
        !            99:         * Extract the physical MAC address from the ROM.
        !           100:         */
        !           101:        for (i = 0; i < sizeof(sc->sc_arpcom.ac_enaddr); i++)
        !           102:                sc->sc_arpcom.ac_enaddr[i] = bus_space_read_1(iot, ioh, i);
        !           103:
        !           104:        sc->sc_mem = malloc(16384, M_DEVBUF, M_NOWAIT);
        !           105:        if (sc->sc_mem == 0) {
        !           106:                printf(": couldn't allocate memory for card\n");
        !           107:                return;
        !           108:        }
        !           109:
        !           110:        sc->sc_conf3 = 0;
        !           111:        sc->sc_addr = kvtop(sc->sc_mem);
        !           112:        sc->sc_memsize = 16384;
        !           113:
        !           114:        sc->sc_copytodesc = am7990_copytobuf_contig;
        !           115:        sc->sc_copyfromdesc = am7990_copyfrombuf_contig;
        !           116:        sc->sc_copytobuf = am7990_copytobuf_contig;
        !           117:        sc->sc_copyfrombuf = am7990_copyfrombuf_contig;
        !           118:        sc->sc_zerobuf = am7990_zerobuf_contig;
        !           119:
        !           120:        sc->sc_rdcsr = le_isa_rdcsr;
        !           121:        sc->sc_wrcsr = le_isa_wrcsr;
        !           122:        sc->sc_hwreset = NULL;
        !           123:        sc->sc_hwinit = NULL;
        !           124:
        !           125:        am7990_config(sc);
        !           126:
        !           127: #if NISADMA > 0
        !           128:        if (ia->ia_drq != DRQUNK)
        !           129:                isadma_cascade(ia->ia_drq);
        !           130: #endif
        !           131:
        !           132:        lesc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
        !           133:            IPL_NET, le_isa_intredge, sc, sc->sc_dev.dv_xname);
        !           134: }