if_cs_isa.c revision 119418 
1/*
2 * Copyright (c) 1997,1998 Maxim Bolotin and Oleg Sharoiko.
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 unmodified, this list of conditions, and the following
10 *    disclaimer.
11 * 2. Redistributions in binary form must reproduce the above copyright
12 *    notice, this list of conditions and the following disclaimer in the
13 *    documentation and/or other materials provided with the distribution.
14 *
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
16 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
17 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
18 * ARE DISCLAIMED.  IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
19 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
20 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
21 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
22 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
23 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
24 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
25 * SUCH DAMAGE.
26 *
27 */
28
29#include <sys/cdefs.h>
30__FBSDID("$FreeBSD: head/sys/dev/cs/if_cs_isa.c 119418 2003-08-24 17:55:58Z obrien $");
31
32#include <sys/param.h>
33#include <sys/kernel.h>
34#include <sys/socket.h>
35
36#include <sys/module.h>
37#include <sys/bus.h>
38
39#include <machine/bus.h>
40#include <machine/resource.h>
41
42#include <net/ethernet.h>
43#include <net/if.h>
44#include <net/if_arp.h>
45
46#include <isa/isavar.h>
47
48#include <dev/cs/if_csvar.h>
49#include <dev/cs/if_csreg.h>
50
51static int		cs_isa_probe	(device_t);
52static int		cs_isa_attach	(device_t);
53
54static struct isa_pnp_id cs_ids[] = {
55	{ 0x4060630e, NULL },		/* CSC6040 */
56	{ 0x10104d24, NULL },		/* IBM EtherJet */
57	{ 0, NULL }
58};
59
60/*
61 * Determine if the device is present
62 */
63static int
64cs_isa_probe(device_t dev)
65{
66	int error = 0;
67
68	/* Check isapnp ids */
69	error = ISA_PNP_PROBE(device_get_parent(dev), dev, cs_ids);
70
71	/* If the card had a PnP ID that didn't match any we know about */
72	if (error == ENXIO)
73                goto end;
74
75        /* If we had some other problem. */
76        if (!(error == 0 || error == ENOENT))
77                goto end;
78
79	error = cs_cs89x0_probe(dev);
80end:
81	/* Make sure IRQ is assigned for probe message and available */
82	if (error == 0)
83                error = cs_alloc_irq(dev, 0, 0);
84
85        cs_release_resources(dev);
86        return (error);
87}
88
89static int
90cs_isa_attach(device_t dev)
91{
92        struct cs_softc *sc = device_get_softc(dev);
93        int flags = device_get_flags(dev);
94        int error;
95
96	cs_alloc_port(dev, 0, CS_89x0_IO_PORTS);
97	/* XXX mem appears to not be used at all */
98        if (sc->mem_used)
99                cs_alloc_memory(dev, sc->mem_rid, sc->mem_used);
100        cs_alloc_irq(dev, sc->irq_rid, 0);
101
102        error = bus_setup_intr(dev, sc->irq_res, INTR_TYPE_NET,
103	    csintr, sc, &sc->irq_handle);
104        if (error) {
105                cs_release_resources(dev);
106                return (error);
107        }
108
109        return (cs_attach(sc, device_get_unit(dev), flags));
110}
111
112static device_method_t cs_isa_methods[] = {
113	/* Device interface */
114	DEVMETHOD(device_probe,		cs_isa_probe),
115	DEVMETHOD(device_attach,	cs_isa_attach),
116#ifdef CS_HAS_DETACH
117	DEVMETHOD(device_detach,	cs_detach),
118#endif
119
120	{ 0, 0 }
121};
122
123static driver_t cs_isa_driver = {
124	"cs",
125	cs_isa_methods,
126	sizeof(struct cs_softc),
127};
128
129extern devclass_t cs_devclass;
130
131DRIVER_MODULE(cs, isa, cs_isa_driver, cs_devclass, 0, 0);
132MODULE_DEPEND(cs, isa, 1, 1, 1);
133MODULE_DEPEND(cs, ether, 1, 1, 1);
134