1/*-
2 * Copyright (c) 2015 Marcel Moolenaar
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 *
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
15 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
16 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
17 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
18 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
19 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
20 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
21 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
22 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
23 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
24 */
25
26#include <sys/cdefs.h>
27__FBSDID("$FreeBSD$");
28
29#include <sys/param.h>
30#include <sys/systm.h>
31#include <sys/bus.h>
32#include <sys/conf.h>
33#include <sys/kernel.h>
34#include <sys/module.h>
35#include <machine/bus.h>
36#include <sys/rman.h>
37#include <machine/resource.h>
38#include <sys/sbuf.h>
39
40#include <isa/isavar.h>
41#include <isa/pnpvar.h>
42
43#include <dev/proto/proto.h>
44
45static int proto_isa_probe(device_t dev);
46static int proto_isa_attach(device_t dev);
47
48static device_method_t proto_isa_methods[] = {
49	/* Device interface */
50	DEVMETHOD(device_probe,		proto_isa_probe),
51	DEVMETHOD(device_attach,	proto_isa_attach),
52	DEVMETHOD(device_detach,	proto_detach),
53	DEVMETHOD_END
54};
55
56static driver_t proto_isa_driver = {
57	proto_driver_name,
58	proto_isa_methods,
59	sizeof(struct proto_softc),
60};
61
62static char proto_isa_prefix[] = "isa";
63static char **proto_isa_devnames;
64
65static int
66proto_isa_probe(device_t dev)
67{
68	struct sbuf *sb;
69	struct resource *res;
70	int rid, type;
71
72	rid = 0;
73	type = SYS_RES_IOPORT;
74	res = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE);
75	if (res == NULL) {
76		type = SYS_RES_MEMORY;
77		res = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE);
78	}
79	if (res == NULL)
80		return (ENODEV);
81
82	sb = sbuf_new_auto();
83	sbuf_printf(sb, "%s:%#jx", proto_isa_prefix, rman_get_start(res));
84	sbuf_finish(sb);
85	device_set_desc_copy(dev, sbuf_data(sb));
86	sbuf_delete(sb);
87	bus_release_resource(dev, type, rid, res);
88	return (proto_probe(dev, proto_isa_prefix, &proto_isa_devnames));
89}
90
91static int
92proto_isa_alloc(device_t dev, int type, int nrids)
93{
94	struct resource *res;
95	struct proto_softc *sc;
96	int count, rid;
97
98	sc = device_get_softc(dev);
99	count = 0;
100	for (rid = 0; rid < nrids; rid++) {
101		res = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE);
102		if (res == NULL)
103			break;
104		proto_add_resource(sc, type, rid, res);
105		count++;
106	}
107	if (type == SYS_RES_DRQ && count > 0)
108		proto_add_resource(sc, PROTO_RES_BUSDMA, 0, NULL);
109	return (count);
110}
111
112static int
113proto_isa_attach(device_t dev)
114{
115
116	proto_isa_alloc(dev, SYS_RES_IRQ, ISA_NIRQ);
117	proto_isa_alloc(dev, SYS_RES_DRQ, ISA_NDRQ);
118	proto_isa_alloc(dev, SYS_RES_IOPORT, ISA_NPORT);
119	proto_isa_alloc(dev, SYS_RES_MEMORY, ISA_NMEM);
120	return (proto_attach(dev));
121}
122
123DRIVER_MODULE(proto, acpi, proto_isa_driver, proto_devclass, NULL, NULL);
124DRIVER_MODULE(proto, isa, proto_isa_driver, proto_devclass, NULL, NULL);
125