1 /*-
2 * Copyright (C) 1996 Naoki Hamada <nao@tom-yam.or.jp>
3 * All rights reserved.
4 *
5 * Redistribution 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, this list of conditions and the following disclaimer.
10 * 2. Redistributions in binary form must reproduce the above copyright
11 * notice, this list of conditions and the following disclaimer in the
12 * documentation and/or other materials provided with the distribution.
13 * 3. Neither the name of the author nor the names of any co-contributors
14 * may be used to endorse or promote products derived from this software
15 * without specific prior written permission.
16 *
17 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
18 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
19 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
20 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
21 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
22 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
23 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
24 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
25 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
26 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
27 * SUCH DAMAGE.
28 */
29
30 #include <sys/cdefs.h>
31 __FBSDID("$FreeBSD$");
32
33 #include <sys/param.h>
34 #include <sys/systm.h>
35 #include <sys/kernel.h>
36 #include <sys/module.h>
37 #include <sys/socket.h>
38
39 #include <net/ethernet.h>
40 #include <net/if.h>
41 #include <net/if_var.h>
42 #include <net/if_arp.h>
43
44 #include <machine/bus.h>
45 #include <machine/resource.h>
46 #include <sys/bus.h>
47 #include <sys/rman.h>
48
49 #include <dev/pci/pcivar.h>
50 #include <dev/pci/pcireg.h>
51
52 #include <dev/vx/if_vxreg.h>
53 #include <dev/vx/if_vxvar.h>
54
55 static int vx_pci_shutdown(device_t);
56 static int vx_pci_probe(device_t);
57 static int vx_pci_attach(device_t);
58
59 static device_method_t vx_methods[] = {
60 /* Device interface */
61 DEVMETHOD(device_probe, vx_pci_probe),
62 DEVMETHOD(device_attach, vx_pci_attach),
63 DEVMETHOD(device_shutdown, vx_pci_shutdown),
64
65 DEVMETHOD_END
66 };
67
68 static driver_t vx_driver = {
69 "vx",
70 vx_methods,
71 sizeof(struct vx_softc)
72 };
73
74 static devclass_t vx_devclass;
75
76 DRIVER_MODULE(vx, pci, vx_driver, vx_devclass, 0, 0);
77 MODULE_DEPEND(vx, pci, 1, 1, 1);
78 MODULE_DEPEND(vx, ether, 1, 1, 1);
79
80 static int
vx_pci_shutdown(device_t dev)81 vx_pci_shutdown(device_t dev)
82 {
83 struct vx_softc *sc;
84
85 sc = device_get_softc(dev);
86 VX_LOCK(sc);
87 vx_stop(sc);
88 VX_UNLOCK(sc);
89
90 return (0);
91 }
92
93 static int
vx_pci_probe(device_t dev)94 vx_pci_probe(device_t dev)
95 {
96 u_int32_t device_id;
97
98 device_id = pci_read_config(dev, PCIR_DEVVENDOR, 4);
99
100 if (device_id == 0x590010b7ul) {
101 device_set_desc(dev, "3COM 3C590 Etherlink III PCI");
102 return (BUS_PROBE_DEFAULT);
103 }
104 if (device_id == 0x595010b7ul || device_id == 0x595110b7ul ||
105 device_id == 0x595210b7ul) {
106 device_set_desc(dev, "3COM 3C595 Etherlink III PCI");
107 return (BUS_PROBE_DEFAULT);
108 }
109 /*
110 * The (Fast) Etherlink XL adapters are now supported by
111 * the xl driver, which uses bus master DMA and is much
112 * faster. (And which also supports the 3c905B.
113 */
114 if (device_id == 0x900010b7ul || device_id == 0x900110b7ul) {
115 device_set_desc(dev, "3COM 3C900 Etherlink XL PCI");
116 return (BUS_PROBE_LOW_PRIORITY);
117 }
118 if (device_id == 0x905010b7ul || device_id == 0x905110b7ul) {
119 device_set_desc(dev, "3COM 3C905 Etherlink XL PCI");
120 return (BUS_PROBE_LOW_PRIORITY);
121 }
122 return (ENXIO);
123 }
124
125 static int
vx_pci_attach(device_t dev)126 vx_pci_attach(device_t dev)
127 {
128 struct vx_softc *sc;
129 int rid;
130
131 sc = device_get_softc(dev);
132
133 rid = PCIR_BAR(0);
134 sc->vx_res =
135 bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
136
137 if (sc->vx_res == NULL)
138 goto bad;
139
140 sc->vx_bst = rman_get_bustag(sc->vx_res);
141 sc->vx_bsh = rman_get_bushandle(sc->vx_res);
142
143 rid = 0;
144 sc->vx_irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
145 RF_SHAREABLE | RF_ACTIVE);
146
147 if (sc->vx_irq == NULL)
148 goto bad;
149
150 if (vx_attach(dev) == 0)
151 goto bad;
152
153 if (bus_setup_intr(dev, sc->vx_irq, INTR_TYPE_NET | INTR_MPSAFE,
154 NULL, vx_intr, sc, &sc->vx_intrhand))
155 goto bad_mtx;
156
157 /* defect check for 3C590 */
158 if ((pci_read_config(dev, PCIR_DEVVENDOR, 4) >> 16) == 0x5900) {
159 GO_WINDOW(0);
160 if (vx_busy_eeprom(sc))
161 goto bad_mtx;
162 CSR_WRITE_2(sc, VX_W0_EEPROM_COMMAND,
163 EEPROM_CMD_RD | EEPROM_SOFTINFO2);
164 if (vx_busy_eeprom(sc))
165 goto bad_mtx;
166 if (!(CSR_READ_2(sc, VX_W0_EEPROM_DATA) & NO_RX_OVN_ANOMALY))
167 device_printf(dev,
168 "Warning! Defective early revision adapter!\n");
169 }
170 return (0);
171
172 bad_mtx:
173 mtx_destroy(&sc->vx_mtx);
174 ether_ifdetach(sc->vx_ifp);
175 if_free(sc->vx_ifp);
176 bad:
177 if (sc->vx_intrhand != NULL)
178 bus_teardown_intr(dev, sc->vx_irq, sc->vx_intrhand);
179 if (sc->vx_res != NULL)
180 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->vx_res);
181 if (sc->vx_irq != NULL)
182 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vx_irq);
183 return (ENXIO);
184 }
185