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