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Annotation of sys/dev/isa/if_le_isapnp.c, Revision 1.1.1.1

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: }