1 /* $OpenBSD: if_ep_isapnp.c,v 1.18 2023/09/11 08:41:26 mvs 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/device.h>
49 #include <sys/timeout.h>
50 #include <sys/queue.h>
51
52 #include <net/if.h>
53 #include <net/if_media.h>
54
55 #include <netinet/in.h>
56 #include <netinet/if_ether.h>
57
58 #if NBPFILTER > 0
59 #include <net/bpf.h>
60 #endif
61
62 #include <machine/cpu.h>
63 #include <machine/bus.h>
64 #include <machine/intr.h>
65
66 #include <dev/mii/mii.h>
67 #include <dev/mii/miivar.h>
68
69 #include <dev/ic/elink3var.h>
70 #include <dev/ic/elink3reg.h>
71
72 #include <dev/isa/isavar.h>
73 #include <dev/isa/elink.h>
74
75 int ep_isapnp_match(struct device *, void *, void *);
76 void ep_isapnp_attach(struct device *, struct device *, void *);
77
78 const struct cfattach ep_isapnp_ca = {
79 sizeof(struct ep_softc), ep_isapnp_match, ep_isapnp_attach
80 };
81
82 /*
83 * 3c509 cards on the ISA bus are probed in ethernet address order.
84 * The probe sequence requires careful orchestration, and we'd like
85 * to allow the irq and base address to be wildcarded. So, we
86 * probe all the cards the first time epprobe() is called. On subsequent
87 * calls we look for matching cards.
88 */
89 int
ep_isapnp_match(struct device * parent,void * match,void * aux)90 ep_isapnp_match(struct device *parent, void *match, void *aux)
91 {
92 /* XXX This should be more intelligent */
93 return 1;
94 }
95
96 void
ep_isapnp_attach(struct device * parent,struct device * self,void * aux)97 ep_isapnp_attach(struct device *parent, struct device *self, void *aux)
98 {
99 struct ep_softc *sc = (void *)self;
100 struct isa_attach_args *ia = aux;
101 bus_space_tag_t iot = ia->ia_iot;
102 bus_space_handle_t ioh;
103
104 sc->sc_iot = iot = ia->ia_iot;
105 sc->sc_ioh = ioh = ia->ipa_io[0].h;
106 sc->bustype = EP_BUS_ISA;
107
108 printf(":");
109
110 /* Should look at ia->ia_devident... */
111 epconfig(sc, EP_CHIPSET_3C509, NULL);
112
113 sc->sc_ih = isa_intr_establish(ia->ia_ic, ia->ia_irq, IST_EDGE,
114 IPL_NET, epintr, sc, sc->sc_dev.dv_xname);
115 }
116