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

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: }