1/*-
2 * Copyright (c) 1997-2001 Granch, Ltd. All rights reserved.
3 * Author: Denis I.Timofeev <timofeev@granch.ru>
4 *
5 * Redistributon 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 NEIGENCE 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("$FreeBSD$");
31
32
33#include <sys/param.h>
34#include <sys/systm.h>
35#include <sys/socket.h>
36
37#include <sys/bus.h>
38#include <sys/kernel.h>
39#include <sys/module.h>
40#include <machine/bus.h>
41#include <machine/resource.h>
42#include <sys/rman.h>
43
44#include <net/if.h>
45#include <net/ethernet.h>
46#include <net/if_arp.h>
47
48#include <isa/isavar.h>
49
50#include <dev/sbni/if_sbnireg.h>
51#include <dev/sbni/if_sbnivar.h>
52
53static int	sbni_probe_isa(device_t);
54static int	sbni_attach_isa(device_t);
55
56static device_method_t sbni_isa_methods[] = {
57	/* Device interface */
58	DEVMETHOD(device_probe,	sbni_probe_isa),
59	DEVMETHOD(device_attach, sbni_attach_isa),
60	{ 0, 0 }
61};
62
63static driver_t sbni_isa_driver = {
64	"sbni",
65	sbni_isa_methods,
66	sizeof(struct sbni_softc)
67};
68
69static devclass_t sbni_isa_devclass;
70static struct isa_pnp_id  sbni_ids[] = {
71	{ 0, NULL }	/* we have no pnp sbni cards atm.  */
72};
73
74DRIVER_MODULE(sbni, isa, sbni_isa_driver, sbni_isa_devclass, 0, 0);
75MODULE_DEPEND(sbni, isa, 1, 1, 1);
76
77static int
78sbni_probe_isa(device_t dev)
79{
80	struct sbni_softc *sc;
81	int error;
82
83	error = ISA_PNP_PROBE(device_get_parent(dev), dev, sbni_ids);
84	if (error && error != ENOENT)
85		return (error);
86
87	sc = device_get_softc(dev);
88
89 	sc->io_res = bus_alloc_resource(dev, SYS_RES_IOPORT, &sc->io_rid,
90					0ul, ~0ul, SBNI_PORTS, RF_ACTIVE);
91	if (!sc->io_res) {
92		printf("sbni: cannot allocate io ports!\n");
93		return (ENOENT);
94	}
95
96	if (sbni_probe(sc) != 0) {
97		sbni_release_resources(sc);
98		return (ENXIO);
99	}
100
101	device_set_desc(dev, "Granch SBNI12/ISA adapter");
102	return (0);
103}
104
105
106static int
107sbni_attach_isa(device_t dev)
108{
109	struct sbni_softc *sc;
110	struct sbni_flags flags;
111	int error;
112
113	sc = device_get_softc(dev);
114	sc->dev = dev;
115
116	sc->irq_res = bus_alloc_resource_any(
117	    dev, SYS_RES_IRQ, &sc->irq_rid, RF_ACTIVE);
118
119#ifndef SBNI_DUAL_COMPOUND
120
121	if (sc->irq_res == NULL) {
122		device_printf(dev, "irq conflict!\n");
123		sbni_release_resources(sc);
124		return (ENOENT);
125	}
126
127#else	/* SBNI_DUAL_COMPOUND */
128
129	if (sc->irq_res) {
130		sbni_add(sc);
131	} else {
132		struct sbni_softc  *master;
133
134		if ((master = connect_to_master(sc)) == 0) {
135			device_printf(dev, "failed to alloc irq\n");
136			sbni_release_resources(sc);
137			return (ENXIO);
138		} else {
139			device_printf(dev, "shared irq with %s\n",
140			       master->ifp->if_xname);
141		}
142	}
143#endif	/* SBNI_DUAL_COMPOUND */
144
145	*(u_int32_t*)&flags = device_get_flags(dev);
146
147	error = sbni_attach(sc, device_get_unit(dev) * 2, flags);
148	if (error) {
149		device_printf(dev, "cannot initialize driver\n");
150		sbni_release_resources(sc);
151		return (error);
152	}
153
154	if (sc->irq_res) {
155		error = bus_setup_intr(
156		    dev, sc->irq_res, INTR_TYPE_NET | INTR_MPSAFE,
157		    NULL, sbni_intr, sc, &sc->irq_handle);
158		if (error) {
159			device_printf(dev, "bus_setup_intr\n");
160			sbni_detach(sc);
161			sbni_release_resources(sc);
162			return (error);
163		}
164	}
165
166	return (0);
167}
168