if_vx_eisa.c revision 92739 
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: head/sys/dev/vx/if_vx_eisa.c 92739 2002-03-20 02:08:01Z alfred $
30 */
31
32#include <sys/param.h>
33#include <sys/systm.h>
34#include <sys/kernel.h>
35#include <sys/socket.h>
36#include <sys/module.h>
37#include <sys/bus.h>
38
39#include <machine/bus.h>
40#include <machine/resource.h>
41#include <sys/rman.h>
42
43#include <net/if.h>
44#include <net/if_arp.h>
45
46#include <dev/eisa/eisaconf.h>
47
48#include <dev/vx/if_vxreg.h>
49
50#define EISA_DEVICE_ID_3COM_3C592	0x506d5920
51#define EISA_DEVICE_ID_3COM_3C597_TX	0x506d5970
52#define EISA_DEVICE_ID_3COM_3C597_T4	0x506d5971
53#define EISA_DEVICE_ID_3COM_3C597_MII	0x506d5972
54
55
56#define	VX_EISA_SLOT_OFFSET		0x0c80
57#define	VX_EISA_IOSIZE			0x000a
58#define VX_RESOURCE_CONFIG		0x0008
59
60
61static const char *vx_match(eisa_id_t type);
62
63static const char*
64vx_match(eisa_id_t type)
65{
66    switch (type) {
67      case EISA_DEVICE_ID_3COM_3C592:
68	return "3Com 3C592 Network Adapter";
69	break;
70      case EISA_DEVICE_ID_3COM_3C597_TX:
71	return "3Com 3C597-TX Network Adapter";
72	break;
73      case EISA_DEVICE_ID_3COM_3C597_T4:
74	return "3Com 3C597-T4 Network Adapter";
75	break;
76      case EISA_DEVICE_ID_3COM_3C597_MII:
77	return "3Com 3C597-MII Network Adapter";
78	break;
79      default:
80	break;
81    }
82    return (NULL);
83}
84
85static int
86vx_eisa_probe(device_t dev)
87{
88    const char	   *desc;
89    u_long          iobase;
90    u_long          port;
91
92    desc = vx_match(eisa_get_id(dev));
93    if (!desc)
94	return (ENXIO);
95    device_set_desc(dev, desc);
96
97    port = eisa_get_slot(dev) * EISA_SLOT_SIZE;
98    iobase = port + VX_EISA_SLOT_OFFSET;
99
100    eisa_add_iospace(dev, iobase, VX_EISA_IOSIZE, RESVADDR_NONE);
101    eisa_add_iospace(dev, port, VX_IOSIZE, RESVADDR_NONE);
102
103    /* Set irq */
104    eisa_add_intr(dev, inw(iobase + VX_RESOURCE_CONFIG) >> 12,
105		  EISA_TRIGGER_EDGE);
106
107    return (0);
108}
109
110static int
111vx_eisa_attach(device_t dev)
112{
113    struct vx_softc *sc;
114    struct resource *io = 0;
115    struct resource *eisa_io = 0;
116    struct resource *irq = 0;
117    int		    rid;
118    void	    *ih;
119
120    /*
121     * The addresses are sorted in increasing order
122     * so we know the port to pass to the core ep
123     * driver comes first.
124     */
125    rid = 0;
126    io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
127			    0, ~0, 1, RF_ACTIVE);
128    if (!io) {
129	device_printf(dev, "No I/O space?!\n");
130	goto bad;
131    }
132
133    rid = 1;
134    eisa_io = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid,
135				 0, ~0, 1, RF_ACTIVE);
136    if (!eisa_io) {
137	device_printf(dev, "No I/O space?!\n");
138	goto bad;
139    }
140
141    sc = device_get_softc(dev);
142
143    sc->vx_res = io;
144    sc->vx_bhandle = rman_get_bushandle(io);
145    sc->vx_btag = rman_get_bustag(io);
146
147    rid = 0;
148    irq = bus_alloc_resource(dev, SYS_RES_IRQ, &rid,
149			     0, ~0, 1, RF_ACTIVE);
150    if (!irq) {
151	device_printf(dev, "No irq?!\n");
152	goto bad;
153    }
154
155    sc->vx_irq = irq;
156
157    /* Now the registers are availible through the lower ioport */
158
159    vxattach(sc);
160
161    if (bus_setup_intr(dev, irq, INTR_TYPE_NET, vxintr, sc, &ih)) {
162	goto bad;
163    }
164
165    sc->vx_intrhand = ih;
166
167    return 0;
168
169 bad:
170    if (io)
171	bus_release_resource(dev, SYS_RES_IOPORT, 0, io);
172    if (eisa_io)
173	bus_release_resource(dev, SYS_RES_IOPORT, 0, eisa_io);
174    if (irq)
175	bus_release_resource(dev, SYS_RES_IRQ, 0, irq);
176    return -1;
177}
178
179static device_method_t vx_eisa_methods[] = {
180	/* Device interface */
181	DEVMETHOD(device_probe,		vx_eisa_probe),
182	DEVMETHOD(device_attach,	vx_eisa_attach),
183
184	{ 0, 0 }
185};
186
187static driver_t vx_eisa_driver = {
188	"vx",
189	vx_eisa_methods,
190	1,			/* unused */
191};
192
193static devclass_t vx_devclass;
194
195DRIVER_MODULE(vx, eisa, vx_eisa_driver, vx_devclass, 0, 0);
196