1 /*-
2 * Copyright (c) 1997-2001 Granch, Ltd. All rights reserved.
3 * Author: Denis I.Timofeev <timofeev@granch.ru>
4 *
5 * Redistributon and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
7 * are met:
8 * 1. Redistributions of source code must retain the above copyright
9 * notice unmodified, this list of conditions, and the following
10 * disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 * notice, this list of conditions and the following disclaimer in the
13 * documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 */
28
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <sys/socket.h>
32
33 #include <sys/bus.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
36 #include <machine/bus.h>
37 #include <machine/resource.h>
38 #include <sys/rman.h>
39
40 #include <net/if.h>
41 #include <net/if_var.h>
42 #include <net/ethernet.h>
43
44 #include <isa/isavar.h>
45
46 #include <dev/sbni/if_sbnireg.h>
47 #include <dev/sbni/if_sbnivar.h>
48
49 static int sbni_probe_isa(device_t);
50 static int sbni_attach_isa(device_t);
51
52 static device_method_t sbni_isa_methods[] = {
53 /* Device interface */
54 DEVMETHOD(device_probe, sbni_probe_isa),
55 DEVMETHOD(device_attach, sbni_attach_isa),
56 { 0, 0 }
57 };
58
59 static driver_t sbni_isa_driver = {
60 "sbni",
61 sbni_isa_methods,
62 sizeof(struct sbni_softc)
63 };
64
65 static struct isa_pnp_id sbni_ids[] = {
66 { 0, NULL } /* we have no pnp sbni cards atm. */
67 };
68
69 static int
sbni_probe_isa(device_t dev)70 sbni_probe_isa(device_t dev)
71 {
72 struct sbni_softc *sc;
73 int error;
74
75 error = ISA_PNP_PROBE(device_get_parent(dev), dev, sbni_ids);
76 if (error && error != ENOENT)
77 return (error);
78
79 sc = device_get_softc(dev);
80
81 sc->io_res = bus_alloc_resource_anywhere(dev, SYS_RES_IOPORT,
82 &sc->io_rid, SBNI_PORTS,
83 RF_ACTIVE);
84 if (!sc->io_res) {
85 printf("sbni: cannot allocate io ports!\n");
86 return (ENOENT);
87 }
88
89 if (sbni_probe(sc) != 0) {
90 sbni_release_resources(sc);
91 return (ENXIO);
92 }
93
94 device_set_desc(dev, "Granch SBNI12/ISA adapter");
95 return (0);
96 }
97
98 static int
sbni_attach_isa(device_t dev)99 sbni_attach_isa(device_t dev)
100 {
101 struct sbni_softc *sc;
102 struct sbni_flags flags;
103 int error;
104
105 sc = device_get_softc(dev);
106 sc->dev = dev;
107
108 sc->irq_res = bus_alloc_resource_any(
109 dev, SYS_RES_IRQ, &sc->irq_rid, RF_ACTIVE);
110
111 #ifndef SBNI_DUAL_COMPOUND
112
113 if (sc->irq_res == NULL) {
114 device_printf(dev, "irq conflict!\n");
115 sbni_release_resources(sc);
116 return (ENOENT);
117 }
118
119 #else /* SBNI_DUAL_COMPOUND */
120
121 if (sc->irq_res) {
122 sbni_add(sc);
123 } else {
124 struct sbni_softc *master;
125
126 if ((master = connect_to_master(sc)) == NULL) {
127 device_printf(dev, "failed to alloc irq\n");
128 sbni_release_resources(sc);
129 return (ENXIO);
130 } else {
131 device_printf(dev, "shared irq with %s\n",
132 if_name(master->ifp));
133 }
134 }
135 #endif /* SBNI_DUAL_COMPOUND */
136
137 *(u_int32_t*)&flags = device_get_flags(dev);
138
139 sbni_attach(sc, device_get_unit(dev) * 2, flags);
140
141 if (sc->irq_res) {
142 error = bus_setup_intr(
143 dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE,
144 NULL, sbni_intr, sc, &sc->irq_handle);
145 if (error) {
146 device_printf(dev, "bus_setup_intr\n");
147 sbni_detach(sc);
148 sbni_release_resources(sc);
149 return (error);
150 }
151 }
152
153 return (0);
154 }
155
156 DRIVER_MODULE(sbni, isa, sbni_isa_driver, 0, 0);
157 MODULE_DEPEND(sbni, isa, 1, 1, 1);
158 ISA_PNP_INFO(sbni_ids);
159