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 #include <sys/param.h>
28 #include <sys/systm.h>
29 #include <sys/bus.h>
30 #include <sys/conf.h>
31 #include <sys/kernel.h>
32 #include <sys/module.h>
33 #include <machine/bus.h>
34 #include <sys/rman.h>
35 #include <machine/resource.h>
36
37 #include <isa/isavar.h>
38 #include <isa/pnpvar.h>
39
40 #include <dev/proto/proto.h>
41
42 static int proto_isa_probe(device_t dev);
43 static int proto_isa_attach(device_t dev);
44
45 static device_method_t proto_isa_methods[] = {
46 /* Device interface */
47 DEVMETHOD(device_probe, proto_isa_probe),
48 DEVMETHOD(device_attach, proto_isa_attach),
49 DEVMETHOD(device_detach, proto_detach),
50 DEVMETHOD_END
51 };
52
53 static driver_t proto_isa_driver = {
54 proto_driver_name,
55 proto_isa_methods,
56 sizeof(struct proto_softc),
57 };
58
59 static char proto_isa_prefix[] = "isa";
60 static char **proto_isa_devnames;
61
62 static int
proto_isa_probe(device_t dev)63 proto_isa_probe(device_t dev)
64 {
65 struct resource *res;
66 int rid, type;
67
68 rid = 0;
69 type = SYS_RES_IOPORT;
70 res = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE);
71 if (res == NULL) {
72 type = SYS_RES_MEMORY;
73 res = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE);
74 }
75 if (res == NULL)
76 return (ENODEV);
77
78 device_set_descf(dev, "%s:%#jx", proto_isa_prefix, rman_get_start(res));
79 bus_release_resource(dev, type, rid, res);
80 return (proto_probe(dev, proto_isa_prefix, &proto_isa_devnames));
81 }
82
83 static int
proto_isa_alloc(device_t dev,int type,int nrids)84 proto_isa_alloc(device_t dev, int type, int nrids)
85 {
86 struct resource *res;
87 struct proto_softc *sc;
88 int count, rid;
89
90 sc = device_get_softc(dev);
91 count = 0;
92 for (rid = 0; rid < nrids; rid++) {
93 res = bus_alloc_resource_any(dev, type, &rid, RF_ACTIVE);
94 if (res == NULL)
95 break;
96 proto_add_resource(sc, type, rid, res);
97 count++;
98 }
99 if (type == SYS_RES_DRQ && count > 0)
100 proto_add_resource(sc, PROTO_RES_BUSDMA, 0, NULL);
101 return (count);
102 }
103
104 static int
proto_isa_attach(device_t dev)105 proto_isa_attach(device_t dev)
106 {
107
108 proto_isa_alloc(dev, SYS_RES_IRQ, ISA_NIRQ);
109 proto_isa_alloc(dev, SYS_RES_DRQ, ISA_NDRQ);
110 proto_isa_alloc(dev, SYS_RES_IOPORT, ISA_NPORT);
111 proto_isa_alloc(dev, SYS_RES_MEMORY, ISA_NMEM);
112 return (proto_attach(dev));
113 }
114
115 DRIVER_MODULE(proto, acpi, proto_isa_driver, NULL, NULL);
116 DRIVER_MODULE(proto, isa, proto_isa_driver, NULL, NULL);
117