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