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 1.7 2006/12/22 23:26:17 swildner Exp $
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
36 #include <sys/malloc.h>
39 #include <dev/misc/kbd/atkbdcreg.h>
41 #include <bus/isa/isareg.h>
42 #include <bus/isa/isavar.h>
44 MALLOC_DEFINE(M_ATKBDDEV, "atkbddev", "AT Keyboard device");
47 typedef struct atkbdc_device {
48 int flags; /* configuration flags */
49 int irq; /* ISA IRQ mask */
57 devclass_t atkbdc_devclass;
59 static int atkbdc_probe(device_t dev);
60 static int atkbdc_attach(device_t dev);
61 static int atkbdc_print_child(device_t bus, device_t dev);
62 static int atkbdc_read_ivar(device_t bus, device_t dev, int index,
64 static int atkbdc_write_ivar(device_t bus, device_t dev, int index,
67 static device_method_t atkbdc_methods[] = {
68 DEVMETHOD(device_probe, atkbdc_probe),
69 DEVMETHOD(device_attach, atkbdc_attach),
70 DEVMETHOD(device_suspend, bus_generic_suspend),
71 DEVMETHOD(device_resume, bus_generic_resume),
73 DEVMETHOD(bus_print_child, atkbdc_print_child),
74 DEVMETHOD(bus_read_ivar, atkbdc_read_ivar),
75 DEVMETHOD(bus_write_ivar, atkbdc_write_ivar),
76 DEVMETHOD(bus_alloc_resource, bus_generic_alloc_resource),
77 DEVMETHOD(bus_release_resource, bus_generic_release_resource),
78 DEVMETHOD(bus_activate_resource, bus_generic_activate_resource),
79 DEVMETHOD(bus_deactivate_resource, bus_generic_deactivate_resource),
80 DEVMETHOD(bus_setup_intr, bus_generic_setup_intr),
81 DEVMETHOD(bus_teardown_intr, bus_generic_teardown_intr),
86 static driver_t atkbdc_driver = {
89 sizeof(atkbdc_softc_t *),
92 static struct isa_pnp_id atkbdc_ids[] = {
93 { 0x0303d041, "Keyboard controller (i8042)" }, /* PNP0303 */
98 atkbdc_probe(device_t dev)
100 struct resource *port0;
101 struct resource *port1;
106 if (ISA_PNP_PROBE(device_get_parent(dev), dev, atkbdc_ids) == ENXIO)
109 device_set_desc(dev, "Keyboard controller (i8042)");
112 port0 = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1,
117 if (bus_get_resource_start(dev, SYS_RES_IOPORT, 1) <= 0) {
118 bus_set_resource(dev, SYS_RES_IOPORT, 1,
119 rman_get_start(port0) + KBD_STATUS_PORT, 1);
122 port1 = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1,
125 bus_release_resource(dev, SYS_RES_IOPORT, 0, port0);
129 error = atkbdc_probe_unit(device_get_unit(dev), port0, port1);
131 bus_release_resource(dev, SYS_RES_IOPORT, 0, port0);
132 bus_release_resource(dev, SYS_RES_IOPORT, 1, port1);
138 atkbdc_add_device(device_t dev, const char *name, int unit)
140 atkbdc_device_t *kdev;
144 if (resource_int_value(name, unit, "disabled", &t) == 0 && t != 0)
147 kdev = kmalloc(sizeof(struct atkbdc_device), M_ATKBDDEV,
150 if (resource_int_value(name, unit, "irq", &t) == 0)
155 if (resource_int_value(name, unit, "flags", &t) == 0)
160 child = device_add_child(dev, name, unit);
161 device_set_ivars(child, kdev);
165 atkbdc_attach(device_t dev)
173 unit = device_get_unit(dev);
174 sc = *(atkbdc_softc_t **)device_get_softc(dev);
177 * We have to maintain two copies of the kbdc_softc struct,
178 * as the low-level console needs to have access to the
179 * keyboard controller before kbdc is probed and attached.
180 * kbdc_soft[] contains the default entry for that purpose.
183 sc = atkbdc_get_softc(unit);
189 sc->port0 = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1,
191 if (sc->port0 == NULL)
194 sc->port1 = bus_alloc_resource(dev, SYS_RES_IOPORT, &rid, 0, ~0, 1,
196 if (sc->port1 == NULL) {
197 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->port0);
201 error = atkbdc_attach_unit(unit, sc, sc->port0, sc->port1);
203 bus_release_resource(dev, SYS_RES_IOPORT, 0, sc->port0);
204 bus_release_resource(dev, SYS_RES_IOPORT, 1, sc->port1);
207 *(atkbdc_softc_t **)device_get_softc(dev) = sc;
210 * Add all devices configured to be attached to atkbdc0.
212 for (i = resource_query_string(-1, "at", device_get_nameunit(dev));
214 i = resource_query_string(i, "at", device_get_nameunit(dev))) {
215 atkbdc_add_device(dev, resource_query_name(i),
216 resource_query_unit(i));
222 for (i = resource_query_string(-1, "at", device_get_name(dev));
224 i = resource_query_string(i, "at", device_get_name(dev))) {
225 atkbdc_add_device(dev, resource_query_name(i),
226 resource_query_unit(i));
229 bus_generic_attach(dev);
235 atkbdc_print_child(device_t bus, device_t dev)
237 atkbdc_device_t *kbdcdev;
240 kbdcdev = (atkbdc_device_t *)device_get_ivars(dev);
242 retval += bus_print_child_header(bus, dev);
243 if (kbdcdev->flags != 0)
244 retval += kprintf(" flags 0x%x", kbdcdev->flags);
245 if (kbdcdev->irq != -1)
246 retval += kprintf(" irq %d", kbdcdev->irq);
247 retval += bus_print_child_footer(bus, dev);
253 atkbdc_read_ivar(device_t bus, device_t dev, int index, u_long *val)
255 atkbdc_device_t *ivar;
257 ivar = (atkbdc_device_t *)device_get_ivars(dev);
260 *val = (u_long)ivar->irq;
262 case KBDC_IVAR_FLAGS:
263 *val = (u_long)ivar->flags;
265 case KBDC_IVAR_VENDORID:
266 *val = (u_long)ivar->vendorid;
268 case KBDC_IVAR_SERIAL:
269 *val = (u_long)ivar->serial;
271 case KBDC_IVAR_LOGICALID:
272 *val = (u_long)ivar->logicalid;
274 case KBDC_IVAR_COMPATID:
275 *val = (u_long)ivar->compatid;
284 atkbdc_write_ivar(device_t bus, device_t dev, int index, u_long val)
286 atkbdc_device_t *ivar;
288 ivar = (atkbdc_device_t *)device_get_ivars(dev);
291 ivar->irq = (int)val;
293 case KBDC_IVAR_FLAGS:
294 ivar->flags = (int)val;
296 case KBDC_IVAR_VENDORID:
297 ivar->vendorid = (u_int32_t)val;
299 case KBDC_IVAR_SERIAL:
300 ivar->serial = (u_int32_t)val;
302 case KBDC_IVAR_LOGICALID:
303 ivar->logicalid = (u_int32_t)val;
305 case KBDC_IVAR_COMPATID:
306 ivar->compatid = (u_int32_t)val;
314 DRIVER_MODULE(atkbdc, isa, atkbdc_driver, atkbdc_devclass, 0, 0);