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/cdefs.h>
30 __FBSDID("$FreeBSD$");
31
32
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/socket.h>
36
37 #include <sys/bus.h>
38 #include <sys/kernel.h>
39 #include <sys/module.h>
40 #include <machine/bus.h>
41 #include <machine/resource.h>
42 #include <sys/rman.h>
43
44 #include <net/if.h>
45 #include <net/if_var.h>
46 #include <net/ethernet.h>
47
48 #include <isa/isavar.h>
49
50 #include <dev/sbni/if_sbnireg.h>
51 #include <dev/sbni/if_sbnivar.h>
52
53 static int sbni_probe_isa(device_t);
54 static int sbni_attach_isa(device_t);
55
56 static device_method_t sbni_isa_methods[] = {
57 /* Device interface */
58 DEVMETHOD(device_probe, sbni_probe_isa),
59 DEVMETHOD(device_attach, sbni_attach_isa),
60 { 0, 0 }
61 };
62
63 static driver_t sbni_isa_driver = {
64 "sbni",
65 sbni_isa_methods,
66 sizeof(struct sbni_softc)
67 };
68
69 static devclass_t sbni_isa_devclass;
70 static struct isa_pnp_id sbni_ids[] = {
71 { 0, NULL } /* we have no pnp sbni cards atm. */
72 };
73
74 DRIVER_MODULE(sbni, isa, sbni_isa_driver, sbni_isa_devclass, 0, 0);
75 MODULE_DEPEND(sbni, isa, 1, 1, 1);
76
77 static int
sbni_probe_isa(device_t dev)78 sbni_probe_isa(device_t dev)
79 {
80 struct sbni_softc *sc;
81 int error;
82
83 error = ISA_PNP_PROBE(device_get_parent(dev), dev, sbni_ids);
84 if (error && error != ENOENT)
85 return (error);
86
87 sc = device_get_softc(dev);
88
89 sc->io_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->io_rid,
90 0ul, ~0ul, SBNI_PORTS, RF_ACTIVE);
91 if (!sc->io_res) {
92 printf("sbni: cannot allocate io ports!\n");
93 return (ENOENT);
94 }
95
96 if (sbni_probe(sc) != 0) {
97 sbni_release_resources(sc);
98 return (ENXIO);
99 }
100
101 device_set_desc(dev, "Granch SBNI12/ISA adapter");
102 return (0);
103 }
104
105
106 static int
sbni_attach_isa(device_t dev)107 sbni_attach_isa(device_t dev)
108 {
109 struct sbni_softc *sc;
110 struct sbni_flags flags;
111 int error;
112
113 sc = device_get_softc(dev);
114 sc->dev = dev;
115
116 sc->irq_res = bus_alloc_resource_any(
117 dev, SYS_RES_IRQ, &sc->irq_rid, RF_ACTIVE);
118
119 #ifndef SBNI_DUAL_COMPOUND
120
121 if (sc->irq_res == NULL) {
122 device_printf(dev, "irq conflict!\n");
123 sbni_release_resources(sc);
124 return (ENOENT);
125 }
126
127 #else /* SBNI_DUAL_COMPOUND */
128
129 if (sc->irq_res) {
130 sbni_add(sc);
131 } else {
132 struct sbni_softc *master;
133
134 if ((master = connect_to_master(sc)) == 0) {
135 device_printf(dev, "failed to alloc irq\n");
136 sbni_release_resources(sc);
137 return (ENXIO);
138 } else {
139 device_printf(dev, "shared irq with %s\n",
140 master->ifp->if_xname);
141 }
142 }
143 #endif /* SBNI_DUAL_COMPOUND */
144
145 *(u_int32_t*)&flags = device_get_flags(dev);
146
147 error = sbni_attach(sc, device_get_unit(dev) * 2, flags);
148 if (error) {
149 device_printf(dev, "cannot initialize driver\n");
150 sbni_release_resources(sc);
151 return (error);
152 }
153
154 if (sc->irq_res) {
155 error = bus_setup_intr(
156 dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE,
157 NULL, sbni_intr, sc, &sc->irq_handle);
158 if (error) {
159 device_printf(dev, "bus_setup_intr\n");
160 sbni_detach(sc);
161 sbni_release_resources(sc);
162 return (error);
163 }
164 }
165
166 return (0);
167 }
168