2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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 as
10 * the first lines of this file unmodified.
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.
15 * THIS SOFTWARE IS PROVIDED BY THE AUTHORS ``AS IS'' AND ANY EXPRESS OR
16 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
17 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
18 * IN NO EVENT SHALL THE AUTHORS BE LIABLE FOR ANY DIRECT, INDIRECT,
19 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
20 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
21 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
22 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
23 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
24 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
26 * $FreeBSD: src/sys/isa/atkbdc_isa.c,v 1.14.2.1 2000/03/31 12:52:05 yokota Exp $
27 * $DragonFly: src/sys/dev/misc/atkbdc_layer/atkbdc_isa.c,v 1.3 2003/08/07 21:16:56 dillon Exp $
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
36 #include <sys/malloc.h>
37 #include <machine/bus_pio.h>
38 #include <machine/bus.h>
39 #include <machine/resource.h>
42 #include <dev/misc/kbd/atkbdcreg.h>
44 #include <bus/isa/isareg.h>
45 #include <bus/isa/isavar.h>
47 MALLOC_DEFINE(M_ATKBDDEV, "atkbddev", "AT Keyboard device");
50 typedef struct atkbdc_device {
51 int flags; /* configuration flags */
52 int irq; /* ISA IRQ mask */
60 devclass_t atkbdc_devclass;
62 static int atkbdc_probe(device_t dev);
63 static int atkbdc_attach(device_t dev);
64 static int atkbdc_print_child(device_t bus, device_t dev);
65 static int atkbdc_read_ivar(device_t bus, device_t dev, int index,
67 static int atkbdc_write_ivar(device_t bus, device_t dev, int index,
70 static device_method_t atkbdc_methods[] = {
71 DEVMETHOD(device_probe, atkbdc_probe),
72 DEVMETHOD(device_attach, atkbdc_attach),
73 DEVMETHOD(device_suspend, bus_generic_suspend),
74 DEVMETHOD(device_resume, bus_generic_resume),
76 DEVMETHOD(bus_print_child, atkbdc_print_child),
77 DEVMETHOD(bus_read_ivar, atkbdc_read_ivar),
78 DEVMETHOD(bus_write_ivar, atkbdc_write_ivar),
79 DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
80 DEVMETHOD(bus_release_resource, bus_generic_release_resource),
81 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
82 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
83 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
84 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
89 static driver_t atkbdc_driver = {
92 sizeof(atkbdc_softc_t *),
95 static struct isa_pnp_id atkbdc_ids[] = {
96 { 0x0303d041, "Keyboard controller (i8042)" }, /* PNP0303 */
101 atkbdc_probe(device_t dev)
103 struct resource *port0;
104 struct resource *port1;
109 if (ISA_PNP_PROBE(device_get_parent(dev), dev, atkbdc_ids) == ENXIO)
112 device_set_desc(dev, "Keyboard controller (i8042)");
115 port0 = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1,
120 if (bus_get_resource_start(dev, SYS_RES_IOPORT, 1) <= 0) {
121 bus_set_resource(dev, SYS_RES_IOPORT, 1,
122 rman_get_start(port0) + KBD_STATUS_PORT, 1);
125 port1 = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1,
128 bus_release_resource(dev, SYS_RES_IOPORT, 0, port0);
132 error = atkbdc_probe_unit(device_get_unit(dev), port0, port1);
134 bus_release_resource(dev, SYS_RES_IOPORT, 0, port0);
135 bus_release_resource(dev, SYS_RES_IOPORT, 1, port1);
141 atkbdc_add_device(device_t dev, const char *name, int unit)
143 atkbdc_device_t *kdev;
147 if (resource_int_value(name, unit, "disabled", &t) == 0 && t != 0)
150 kdev = malloc(sizeof(struct atkbdc_device), M_ATKBDDEV, M_NOWAIT);
153 bzero(kdev, sizeof *kdev);
155 if (resource_int_value(name, unit, "irq", &t) == 0)
160 if (resource_int_value(name, unit, "flags", &t) == 0)
165 child = device_add_child(dev, name, unit);
166 device_set_ivars(child, kdev);
170 atkbdc_attach(device_t dev)
178 unit = device_get_unit(dev);
179 sc = *(atkbdc_softc_t **)device_get_softc(dev);
182 * We have to maintain two copies of the kbdc_softc struct,
183 * as the low-level console needs to have access to the
184 * keyboard controller before kbdc is probed and attached.
185 * kbdc_soft[] contains the default entry for that purpose.
188 sc = atkbdc_get_softc(unit);
194 sc->port0 = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1,
196 if (sc->port0 == NULL)
199 sc->port1 = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1,
201 if (sc->port1 == NULL) {
202 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->port0);
206 error = atkbdc_attach_unit(unit, sc, sc->port0, sc->port1);
208 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->port0);
209 bus_release_resource(dev, SYS_RES_IOPORT, 1, sc->port1);
212 *(atkbdc_softc_t **)device_get_softc(dev) = sc;
215 * Add all devices configured to be attached to atkbdc0.
217 for (i = resource_query_string(-1, "at", device_get_nameunit(dev));
219 i = resource_query_string(i, "at", device_get_nameunit(dev))) {
220 atkbdc_add_device(dev, resource_query_name(i),
221 resource_query_unit(i));
227 for (i = resource_query_string(-1, "at", device_get_name(dev));
229 i = resource_query_string(i, "at", device_get_name(dev))) {
230 atkbdc_add_device(dev, resource_query_name(i),
231 resource_query_unit(i));
234 bus_generic_attach(dev);
240 atkbdc_print_child(device_t bus, device_t dev)
242 atkbdc_device_t *kbdcdev;
245 kbdcdev = (atkbdc_device_t *)device_get_ivars(dev);
247 retval += bus_print_child_header(bus, dev);
248 if (kbdcdev->flags != 0)
249 retval += printf(" flags 0x%x", kbdcdev->flags);
250 if (kbdcdev->irq != -1)
251 retval += printf(" irq %d", kbdcdev->irq);
252 retval += bus_print_child_footer(bus, dev);
258 atkbdc_read_ivar(device_t bus, device_t dev, int index, u_long *val)
260 atkbdc_device_t *ivar;
262 ivar = (atkbdc_device_t *)device_get_ivars(dev);
265 *val = (u_long)ivar->irq;
267 case KBDC_IVAR_FLAGS:
268 *val = (u_long)ivar->flags;
270 case KBDC_IVAR_VENDORID:
271 *val = (u_long)ivar->vendorid;
273 case KBDC_IVAR_SERIAL:
274 *val = (u_long)ivar->serial;
276 case KBDC_IVAR_LOGICALID:
277 *val = (u_long)ivar->logicalid;
279 case KBDC_IVAR_COMPATID:
280 *val = (u_long)ivar->compatid;
289 atkbdc_write_ivar(device_t bus, device_t dev, int index, u_long val)
291 atkbdc_device_t *ivar;
293 ivar = (atkbdc_device_t *)device_get_ivars(dev);
296 ivar->irq = (int)val;
298 case KBDC_IVAR_FLAGS:
299 ivar->flags = (int)val;
301 case KBDC_IVAR_VENDORID:
302 ivar->vendorid = (u_int32_t)val;
304 case KBDC_IVAR_SERIAL:
305 ivar->serial = (u_int32_t)val;
307 case KBDC_IVAR_LOGICALID:
308 ivar->logicalid = (u_int32_t)val;
310 case KBDC_IVAR_COMPATID:
311 ivar->compatid = (u_int32_t)val;
319 DRIVER_MODULE(atkbdc, isa, atkbdc_driver, atkbdc_devclass, 0, 0);