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.
27 #include <sys/cdefs.h>
28 __FBSDID("$FreeBSD$");
32 #include <sys/param.h>
33 #include <sys/systm.h>
34 #include <sys/kernel.h>
35 #include <sys/module.h>
38 #include <machine/bus.h>
39 #include <machine/resource.h>
43 #include <dev/kbd/kbdreg.h>
44 #include <dev/atkbdc/atkbdreg.h>
45 #include <dev/atkbdc/atkbdcreg.h>
48 struct resource *intr;
52 static devclass_t atkbd_devclass;
54 static void atkbdidentify(driver_t *driver, device_t dev);
55 static int atkbdprobe(device_t dev);
56 static int atkbdattach(device_t dev);
57 static int atkbdresume(device_t dev);
58 static void atkbdintr(void *arg);
60 static device_method_t atkbd_methods[] = {
61 DEVMETHOD(device_identify, atkbdidentify),
62 DEVMETHOD(device_probe, atkbdprobe),
63 DEVMETHOD(device_attach, atkbdattach),
64 DEVMETHOD(device_resume, atkbdresume),
68 static driver_t atkbd_driver = {
71 sizeof(atkbd_softc_t),
75 atkbdidentify(driver_t *driver, device_t parent)
78 /* always add at least one child */
79 BUS_ADD_CHILD(parent, KBDC_RID_KBD, driver->name, device_get_unit(parent));
83 atkbdprobe(device_t dev)
90 device_set_desc(dev, "AT Keyboard");
92 /* obtain parameters */
93 flags = device_get_flags(dev);
95 /* see if IRQ is available */
97 res = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
98 RF_SHAREABLE | RF_ACTIVE);
101 device_printf(dev, "unable to allocate IRQ\n");
104 irq = rman_get_start(res);
105 bus_release_resource(dev, SYS_RES_IRQ, rid, res);
107 /* probe the device */
108 return atkbd_probe_unit(device_get_unit(dev),
109 device_get_unit(device_get_parent(dev)),
114 atkbdattach(device_t dev)
123 sc = device_get_softc(dev);
126 irq = bus_get_resource_start(dev, SYS_RES_IRQ, rid);
127 flags = device_get_flags(dev);
128 error = atkbd_attach_unit(device_get_unit(dev), &kbd,
129 device_get_unit(device_get_parent(dev)),
134 /* declare our interrupt handler */
135 sc->intr = bus_alloc_resource_any(dev, SYS_RES_IRQ, &rid,
136 RF_SHAREABLE | RF_ACTIVE);
137 if (sc->intr == NULL)
139 error = bus_setup_intr(dev, sc->intr, INTR_TYPE_TTY, NULL, atkbdintr,
142 bus_release_resource(dev, SYS_RES_IRQ, rid, sc->intr);
148 atkbdresume(device_t dev)
154 sc = device_get_softc(dev);
155 kbd = kbd_get_keyboard(kbd_find_keyboard(ATKBD_DRIVER_NAME,
156 device_get_unit(dev)));
158 kbd->kb_flags &= ~KB_INITIALIZED;
159 args[0] = device_get_unit(device_get_parent(dev));
160 args[1] = rman_get_start(sc->intr);
161 kbdd_init(kbd, device_get_unit(dev), &kbd, args,
162 device_get_flags(dev));
163 kbdd_clear_state(kbd);
173 kbd = (keyboard_t *)arg;
174 kbdd_intr(kbd, NULL);
177 DRIVER_MODULE(atkbd, atkbdc, atkbd_driver, atkbd_devclass, 0, 0);