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 #include <sys/cdefs.h>
29 __FBSDID("$FreeBSD$");
30
31 #include <sys/param.h>
32 #include <sys/systm.h>
33 #include <sys/socket.h>
34 #include <sys/bus.h>
35 #include <sys/kernel.h>
36 #include <sys/module.h>
37 #include <machine/bus.h>
38 #include <machine/resource.h>
39 #include <sys/rman.h>
40 #include <sys/malloc.h>
41
42 #include <net/if.h>
43 #include <net/ethernet.h>
44 #include <net/if_arp.h>
45
46 #include <dev/pci/pcivar.h>
47 #include <dev/pci/pcireg.h>
48
49 #include <dev/sbni/if_sbnireg.h>
50 #include <dev/sbni/if_sbnivar.h>
51
52 static int sbni_pci_probe(device_t);
53 static int sbni_pci_attach(device_t);
54 static int sbni_pci_detach(device_t);
55
56 static device_method_t sbni_pci_methods[] = {
57 /* Device interface */
58 DEVMETHOD(device_probe, sbni_pci_probe),
59 DEVMETHOD(device_attach, sbni_pci_attach),
60 DEVMETHOD(device_detach, sbni_pci_detach),
61 { 0, 0 }
62 };
63
64 static driver_t sbni_pci_driver = {
65 "sbni",
66 sbni_pci_methods,
67 sizeof(struct sbni_softc)
68 };
69
70 static devclass_t sbni_pci_devclass;
71
72 DRIVER_MODULE(sbni, pci, sbni_pci_driver, sbni_pci_devclass, 0, 0);
73 MODULE_DEPEND(sbni, pci, 1, 1, 1);
74
75 static int
76 sbni_pci_probe(device_t dev)
77 {
78 struct sbni_softc *sc;
79 u_int32_t ports;
80
81 ports = SBNI_PORTS;
82 if (pci_get_vendor(dev) != SBNI_PCI_VENDOR ||
83 pci_get_device(dev) != SBNI_PCI_DEVICE)
84 return (ENXIO);
85
86 sc = device_get_softc(dev);
87 if (pci_get_subdevice(dev) == 2) {
88 ports <<= 1;
89 sc->slave_sc = malloc(sizeof(struct sbni_softc),
90 M_DEVBUF, M_NOWAIT | M_ZERO);
91 if (!sc->slave_sc)
92 return (ENOMEM);
93 device_set_desc(dev, "Granch SBNI12/PCI Dual adapter");
94 } else
95 device_set_desc(dev, "Granch SBNI12/PCI adapter");
96
97 sc->io_rid = PCIR_BAR(0);
98 sc->io_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->io_rid,
99 0ul, ~0ul, ports, RF_ACTIVE);
100 if (!sc->io_res) {
101 device_printf(dev, "cannot allocate io ports!\n");
102 if (sc->slave_sc)
103 free(sc->slave_sc, M_DEVBUF);
104 return (ENOENT);
105 }
106
107 if (sc->slave_sc) {
108 sc->slave_sc->io_res = sc->io_res;
109 sc->slave_sc->io_off = 4;
110 }
111 if (sbni_probe(sc) != 0) {
112 sbni_release_resources(sc);
113 if (sc->slave_sc)
114 free(sc->slave_sc, M_DEVBUF);
115 return (ENXIO);
116 }
117
118 return (0);
119 }
120
121 static int
122 sbni_pci_attach(device_t dev)
123 {
124 struct sbni_softc *sc;
125 struct sbni_flags flags;
126 int error;
127
128 sc = device_get_softc(dev);
129 sc->dev = dev;
130
131 sc->irq_res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &sc->irq_rid,
132 RF_SHAREABLE);
133
134 if (sc->irq_res == NULL) {
135 device_printf(dev, "cannot claim irq!\n");
136 error = ENOENT;
137 goto attach_failed;
138 }
139
140 *(u_int32_t*)&flags = 0;
141
142 error = sbni_attach(sc, device_get_unit(dev) * 2, flags);
143 if (error) {
144 device_printf(dev, "cannot initialize driver\n");
145 goto attach_failed;
146 }
147 if (sc->slave_sc) {
148 error = sbni_attach(sc->slave_sc, device_get_unit(dev) * 2 + 1,
149 flags);
150 if (error) {
151 device_printf(dev, "cannot initialize slave\n");
152 sbni_detach(sc);
153 goto attach_failed;
154 }
155 }
156
157 if (sc->irq_res) {
158 error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET |
159 INTR_MPSAFE, NULL, sbni_intr, sc, &sc->irq_handle);
160 if (error) {
161 device_printf(dev, "bus_setup_intr\n");
162 sbni_detach(sc);
163 if (sc->slave_sc)
164 sbni_detach(sc);
165 goto attach_failed;
166 }
167 }
168 return (0);
169
170 attach_failed:
171 sbni_release_resources(sc);
172 if (sc->slave_sc)
173 free(sc->slave_sc, M_DEVBUF);
174 return (error);
175 }
176
177 static int
178 sbni_pci_detach(device_t dev)
179 {
180 struct sbni_softc *sc;
181
182 sc = device_get_softc(dev);
183 sbni_detach(sc);
184 if (sc->slave_sc)
185 sbni_detach(sc);
186
187 sbni_release_resources(sc);
188 if (sc->slave_sc)
189 free(sc->slave_sc, M_DEVBUF);
190 return (0);
191 }
Cache object: 2f334c9ca0a01f1a70b1d441ac85f8cc
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