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