if_vx_eisa.c revision 42558 
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 "eisa.h"
32#if NEISA > 0
33
34#include "vx.h"
35#if NVX > 0
36
37#include <sys/param.h>
38#include <sys/systm.h>
39#include <sys/kernel.h>
40#include <sys/socket.h>
41
42#include <net/if.h>
43#include <net/if_arp.h>
44
45#include <i386/eisa/eisaconf.h>
46
47#include <dev/vx/if_vxreg.h>
48
49#define EISA_DEVICE_ID_3COM_3C592	0x506d5920
50#define EISA_DEVICE_ID_3COM_3C597_TX	0x506d5970
51#define EISA_DEVICE_ID_3COM_3C597_T4	0x506d5971
52#define EISA_DEVICE_ID_3COM_3C597_MII	0x506d5972
53
54
55#define	VX_EISA_SLOT_OFFSET		0x0c80
56#define	VX_EISA_IOSIZE			0x000a
57#define VX_RESOURCE_CONFIG		0x0008
58
59
60static const char *vx_match __P((eisa_id_t type));
61static int vx_eisa_probe __P((void));
62static int vx_eisa_attach __P((struct eisa_device *));
63
64static struct eisa_driver vx_eisa_driver = {
65    "vx",
66    vx_eisa_probe,
67    vx_eisa_attach,
68     /* shutdown */ NULL,
69    &vx_count
70};
71
72DATA_SET(eisadriver_set, vx_eisa_driver);
73
74static const char*
75vx_match(type)
76    eisa_id_t       type;
77{
78    switch (type) {
79      case EISA_DEVICE_ID_3COM_3C592:
80	return "3Com 3C592 Network Adapter";
81	break;
82      case EISA_DEVICE_ID_3COM_3C597_TX:
83	return "3Com 3C597-TX Network Adapter";
84	break;
85      case EISA_DEVICE_ID_3COM_3C597_T4:
86	return "3Com 3C597-T4 Network Adapter";
87	break;
88      case EISA_DEVICE_ID_3COM_3C597_MII:
89	return "3Com 3C597-MII Network Adapter";
90	break;
91      default:
92	break;
93    }
94    return (NULL);
95}
96
97static int
98vx_eisa_probe(void)
99{
100    u_long          iobase;
101    struct eisa_device *e_dev = NULL;
102    int             count;
103
104    count = 0;
105    while ((e_dev = eisa_match_dev(e_dev, vx_match))) {
106	u_long          port;
107
108	port = e_dev->ioconf.slot * EISA_SLOT_SIZE;
109	iobase = port + VX_EISA_SLOT_OFFSET;
110
111	eisa_add_iospace(e_dev, iobase, VX_EISA_IOSIZE, RESVADDR_NONE);
112	eisa_add_iospace(e_dev, port, VX_IOSIZE, RESVADDR_NONE);
113
114	/* Set irq */
115	eisa_add_intr(e_dev, inw(iobase + VX_RESOURCE_CONFIG) >> 12);
116	eisa_registerdev(e_dev, &vx_eisa_driver);
117	count++;
118    }
119    return count;
120}
121
122static int
123vx_eisa_attach(e_dev)
124    struct eisa_device *e_dev;
125{
126    struct vx_softc *sc;
127    int             unit = e_dev->unit;
128    int             irq;
129    resvaddr_t     *ioport;
130    resvaddr_t     *eisa_ioport;
131    u_char          level_intr;
132
133    if (TAILQ_FIRST(&e_dev->ioconf.irqs) == NULL)
134	return (-1);
135
136    irq = TAILQ_FIRST(&e_dev->ioconf.irqs)->irq_no;
137
138    ioport = e_dev->ioconf.ioaddrs.lh_first;
139
140    if (!ioport)
141	return -1;
142
143    eisa_ioport = ioport->links.le_next;
144
145    if (!eisa_ioport)
146	return -1;
147
148    eisa_reg_start(e_dev);
149    if (eisa_reg_iospace(e_dev, ioport))
150	return -1;
151
152    if (eisa_reg_iospace(e_dev, eisa_ioport))
153	return -1;
154
155    if ((sc = vxalloc(unit)) == NULL)
156	return -1;
157
158    sc->vx_io_addr = ioport->addr;
159
160    level_intr = FALSE;
161
162    if (eisa_reg_intr(e_dev, irq, vxintr, (void *) sc, &net_imask,
163		       /* shared == */ level_intr)) {
164	vxfree(sc);
165	return -1;
166    }
167    eisa_reg_end(e_dev);
168
169    /* Now the registers are availible through the lower ioport */
170
171    vxattach(sc);
172
173    if (eisa_enable_intr(e_dev, irq)) {
174	vxfree(sc);
175	eisa_release_intr(e_dev, irq, vxintr);
176	return -1;
177    }
178    return 0;
179}
180
181#endif	/* NVX > 0 */
182#endif	/* NEISA > 0 */
183