FreeBSD/Linux Kernel Cross Reference
sys/dev/vx/if_vx_pci.c
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 * $FreeBSD: releng/5.1/sys/dev/vx/if_vx_pci.c 113506 2003-04-15 06:37:30Z mdodd $
30 */
31
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/socket.h>
36
37 #include <net/if.h>
38 #include <net/if_arp.h>
39
40 #include <machine/bus_pio.h>
41 #include <machine/bus.h>
42 #include <machine/resource.h>
43 #include <sys/bus.h>
44 #include <sys/rman.h>
45
46 #include <pci/pcivar.h>
47 #include <pci/pcireg.h>
48
49 #include <dev/vx/if_vxreg.h>
50
51 static void vx_pci_shutdown(device_t);
52 static int vx_pci_probe(device_t);
53 static int vx_pci_attach(device_t);
54
55 static device_method_t vx_methods[] = {
56 /* Device interface */
57 DEVMETHOD(device_probe, vx_pci_probe),
58 DEVMETHOD(device_attach, vx_pci_attach),
59 DEVMETHOD(device_shutdown, vx_pci_shutdown),
60
61 { 0, 0 }
62 };
63
64 static driver_t vx_driver = {
65 "vx",
66 vx_methods,
67 sizeof(struct vx_softc)
68 };
69
70 static devclass_t vx_devclass;
71
72 DRIVER_MODULE(vx, pci, vx_driver, vx_devclass, 0, 0);
73 MODULE_DEPEND(vx, pci, 1, 1, 1);
74 MODULE_DEPEND(vx, ether, 1, 1, 1);
75
76 static void
77 vx_pci_shutdown(
78 device_t dev)
79 {
80 struct vx_softc *sc;
81
82 sc = device_get_softc(dev);
83 vxstop(sc);
84 return;
85 }
86
87 static int
88 vx_pci_probe(
89 device_t dev)
90 {
91 u_int32_t device_id;
92
93 device_id = pci_read_config(dev, PCIR_DEVVENDOR, 4);
94
95 if(device_id == 0x590010b7ul) {
96 device_set_desc(dev, "3COM 3C590 Etherlink III PCI");
97 return(0);
98 }
99 if(device_id == 0x595010b7ul || device_id == 0x595110b7ul ||
100 device_id == 0x595210b7ul) {
101 device_set_desc(dev, "3COM 3C595 Etherlink III PCI");
102 return(0);
103 }
104 /*
105 * The (Fast) Etherlink XL adapters are now supported by
106 * the xl driver, which uses bus master DMA and is much
107 * faster. (And which also supports the 3c905B.
108 */
109 #ifdef VORTEX_ETHERLINK_XL
110 if(device_id == 0x900010b7ul || device_id == 0x900110b7ul) {
111 device_set_desc(dev, "3COM 3C900 Etherlink XL PCI");
112 return(0);
113 }
114 if(device_id == 0x905010b7ul || device_id == 0x905110b7ul) {
115 device_set_desc(dev, "3COM 3C905 Etherlink XL PCI");
116 return(0);
117 }
118 #endif
119 return (ENXIO);
120 }
121
122 static int
123 vx_pci_attach(
124 device_t dev)
125 {
126 struct vx_softc *sc;
127 int rid;
128
129 sc = device_get_softc(dev);
130
131 rid = PCIR_MAPS;
132 sc->vx_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
133 0, ~0, 1, RF_ACTIVE);
134
135 if (sc->vx_res == NULL)
136 goto bad;
137
138 sc->vx_btag = rman_get_bustag(sc->vx_res);
139 sc->vx_bhandle = rman_get_bushandle(sc->vx_res);
140
141 rid = 0;
142 sc->vx_irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid, 0, ~0, 1,
143 RF_SHAREABLE | RF_ACTIVE);
144
145 if (sc->vx_irq == NULL)
146 goto bad;
147
148 if (bus_setup_intr(dev, sc->vx_irq, INTR_TYPE_NET,
149 vxintr, sc, &sc->vx_intrhand))
150 goto bad;
151
152 if (vxattach(sc) == 0) {
153 goto bad;
154 }
155
156 /* defect check for 3C590 */
157 if ((pci_read_config(dev, PCIR_DEVVENDOR, 4) >> 16) == 0x5900) {
158 GO_WINDOW(0);
159 if (vxbusyeeprom(sc))
160 goto bad;
161 CSR_WRITE_2(sc, VX_W0_EEPROM_COMMAND,
162 EEPROM_CMD_RD | EEPROM_SOFT_INFO_2);
163 if (vxbusyeeprom(sc))
164 goto bad;
165 if (!(CSR_READ_2(sc, VX_W0_EEPROM_DATA) & NO_RX_OVN_ANOMALY)) {
166 printf("Warning! Defective early revision adapter!\n");
167 }
168 }
169
170 return(0);
171
172 bad:
173 if (sc->vx_intrhand != NULL)
174 bus_teardown_intr(dev, sc->vx_irq, sc->vx_intrhand);
175 if (sc->vx_res != NULL)
176 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->vx_res);
177 if (sc->vx_irq != NULL)
178 bus_release_resource(dev, SYS_RES_IRQ, 0, sc->vx_irq);
179 return(ENXIO);
180 }
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