2 * Copyright (c) 1999 Doug Rabson
5 * Redistribution and use in source and binary forms, with or without
6 * modification, are permitted provided that the following conditions
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.
14 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR AND CONTRIBUTORS ``AS IS'' AND
15 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
16 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
17 * ARE DISCLAIMED. IN NO EVENT SHALL THE AUTHOR OR CONTRIBUTORS BE LIABLE
18 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
19 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
20 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
21 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
22 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
23 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
29 #include <sys/param.h>
30 #include <sys/systm.h>
31 #include <sys/kernel.h>
33 #include <sys/module.h>
34 #include <isa/isavar.h>
35 #include <machine/resource.h>
38 isahint_add_device(device_t parent, const char *name, int unit)
41 int sensitive, start, count, t;
44 /* device-specific flag overrides any wildcard */
46 if (resource_int_value(name, unit, "sensitive", &sensitive) != 0)
47 resource_int_value(name, -1, "sensitive", &sensitive);
50 order = ISA_ORDER_SENSITIVE;
52 order = ISA_ORDER_SPECULATIVE;
54 child = BUS_ADD_CHILD(parent, order, name, unit);
60 if ((resource_int_value(name, unit, "port", &start) == 0 && start > 0)
61 || (resource_int_value(name, unit, "portsize", &count) == 0 && count > 0))
62 bus_set_resource(child, SYS_RES_IOPORT, 0, start, count);
66 if ((resource_int_value(name, unit, "maddr", &start) == 0 && start > 0)
67 || (resource_int_value(name, unit, "msize", &count) == 0 && count > 0))
68 bus_set_resource(child, SYS_RES_MEMORY, 0, start, count);
70 if (resource_int_value(name, unit, "irq", &start) == 0 && start > 0)
71 bus_set_resource(child, SYS_RES_IRQ, 0, start, 1);
73 if (resource_int_value(name, unit, "drq", &start) == 0 && start >= 0)
74 bus_set_resource(child, SYS_RES_DRQ, 0, start, 1);
76 if (resource_int_value(name, unit, "flags", &t) == 0)
77 device_set_flags(child, t);
79 if (resource_int_value(name, unit, "disabled", &t) == 0 && t != 0)
80 device_disable(child);
84 isahint_identify(driver_t *driver, device_t parent)
87 static char buf[] = "isaXXX";
90 * Add all devices configured to be attached to parent.
92 sprintf(buf, "isa%d", device_get_unit(parent));
93 for (i = resource_query_string(-1, "at", buf);
95 i = resource_query_string(i, "at", buf)) {
96 if (strcmp(resource_query_name(i), "atkbd") == 0)
97 continue; /* old GENERIC kludge */
98 isahint_add_device(parent,
99 resource_query_name(i),
100 resource_query_unit(i));
106 for (i = resource_query_string(-1, "at", "isa");
108 i = resource_query_string(i, "at", "isa")) {
109 if (strcmp(resource_query_name(i), "atkbd") == 0)
110 continue; /* old GENERIC kludge */
111 isahint_add_device(parent,
112 resource_query_name(i),
113 resource_query_unit(i));
117 static device_method_t isahint_methods[] = {
118 /* Device interface */
119 DEVMETHOD(device_identify, isahint_identify),
124 static driver_t isahint_driver = {
130 static devclass_t hint_devclass;
132 DRIVER_MODULE(isahint, isa, isahint_driver, hint_devclass, 0, 0);