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
31 #include <sys/cdefs.h>
32 __FBSDID("$FreeBSD$");
33
34 #include <sys/param.h>
35 #include <sys/systm.h>
36 #include <sys/lock.h>
37 #include <sys/kernel.h>
38 #include <sys/mutex.h>
39 #include <sys/socket.h>
40 #include <sys/module.h>
41 #include <sys/bus.h>
42
43 #include <machine/bus.h>
44 #include <machine/resource.h>
45 #include <sys/rman.h>
46
47 #include <net/ethernet.h>
48 #include <net/if.h>
49 #include <net/if_var.h>
50
51 #include <dev/eisa/eisaconf.h>
52
53 #include <dev/vx/if_vxreg.h>
54 #include <dev/vx/if_vxvar.h>
55
56 #define EISA_DEVICE_ID_3COM_3C592 0x506d5920
57 #define EISA_DEVICE_ID_3COM_3C597_TX 0x506d5970
58 #define EISA_DEVICE_ID_3COM_3C597_T4 0x506d5971
59 #define EISA_DEVICE_ID_3COM_3C597_MII 0x506d5972
60
61
62 #define VX_EISA_SLOT_OFFSET 0x0c80
63 #define VX_EISA_IOSIZE 0x000a
64 #define VX_RESOURCE_CONFIG 0x0008
65
66
67 static const char *vx_match(eisa_id_t type);
68
69 static const char *
vx_match(eisa_id_t type)70 vx_match(eisa_id_t type)
71 {
72 switch (type) {
73 case EISA_DEVICE_ID_3COM_3C592:
74 return "3Com 3C592";
75 case EISA_DEVICE_ID_3COM_3C597_TX:
76 return "3Com 3C597-TX";
77 case EISA_DEVICE_ID_3COM_3C597_T4:
78 return "3Com 3C597-T4";
79 case EISA_DEVICE_ID_3COM_3C597_MII:
80 return "3Com 3C597-MII";
81 default:
82 break;
83 }
84 return (NULL);
85 }
86
87 static int
vx_eisa_probe(device_t dev)88 vx_eisa_probe(device_t dev)
89 {
90 const char *desc;
91 u_long iobase;
92 u_long port;
93
94 desc = vx_match(eisa_get_id(dev));
95 if (!desc)
96 return (ENXIO);
97 device_set_desc(dev, desc);
98
99 port = eisa_get_slot(dev) * EISA_SLOT_SIZE;
100 iobase = port + VX_EISA_SLOT_OFFSET;
101
102 eisa_add_iospace(dev, iobase, VX_EISA_IOSIZE, RESVADDR_NONE);
103 eisa_add_iospace(dev, port, VX_IOSIZE, RESVADDR_NONE);
104
105 /* Set irq */
106 eisa_add_intr(dev, inw(iobase + VX_RESOURCE_CONFIG) >> 12,
107 EISA_TRIGGER_EDGE);
108
109 return (0);
110 }
111
112 static int
vx_eisa_attach(device_t dev)113 vx_eisa_attach(device_t dev)
114 {
115 struct vx_softc *sc;
116 struct resource *io = 0;
117 struct resource *eisa_io = 0;
118 struct resource *irq = 0;
119 int rid;
120
121 /*
122 * The addresses are sorted in increasing order
123 * so we know the port to pass to the core ep
124 * driver comes first.
125 */
126 rid = 0;
127 io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
128 if (!io) {
129 device_printf(dev, "No I/O space?!\n");
130 goto bad;
131 }
132 rid = 1;
133 eisa_io = bus_alloc_resource_any(dev, SYS_RES_IOPORT, &rid, RF_ACTIVE);
134 if (!eisa_io) {
135 device_printf(dev, "No I/O space?!\n");
136 goto bad;
137 }
138 sc = device_get_softc(dev);
139
140 sc->vx_res = io;
141 sc->vx_bst = rman_get_bustag(io);
142 sc->vx_bsh = rman_get_bushandle(io);
143
144 rid = 0;
145 irq = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid, RF_ACTIVE);
146 if (!irq) {
147 device_printf(dev, "No irq?!\n");
148 goto bad;
149 }
150 sc->vx_irq = irq;
151
152 /* Now the registers are availible through the lower ioport */
153
154 if (vx_attach(dev) == 0)
155 goto bad;
156
157 if (bus_setup_intr(dev, irq, INTR_TYPE_NET | INTR_MPSAFE, NULL,
158 vx_intr, sc, &sc->vx_intrhand))
159 goto bad_mtx;
160
161 return (0);
162
163 bad_mtx:
164 mtx_destroy(&sc->vx_mtx);
165 ether_ifdetach(sc->vx_ifp);
166 if_free(sc->vx_ifp);
167 bad:
168 if (io)
169 bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
170 if (eisa_io)
171 bus_release_resource(dev, SYS_RES_IOPORT, 0, eisa_io);
172 if (irq)
173 bus_release_resource(dev, SYS_RES_IRQ, 0, irq);
174 return (ENXIO);
175 }
176
177 static device_method_t vx_eisa_methods[] = {
178 /* Device interface */
179 DEVMETHOD(device_probe, vx_eisa_probe),
180 DEVMETHOD(device_attach, vx_eisa_attach),
181
182 DEVMETHOD_END
183 };
184
185 static driver_t vx_eisa_driver = {
186 "vx",
187 vx_eisa_methods,
188 sizeof(struct vx_softc)
189 };
190
191 static devclass_t vx_devclass;
192
193 DRIVER_MODULE(vx, eisa, vx_eisa_driver, vx_devclass, 0, 0);
194