1/*-
2 * Copyright (c) 1999 Kazutaka YOKOTA <yokota@zodiac.mech.utsunomiya-u.ac.jp>
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

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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.
25 *
26 * $FreeBSD: head/sys/dev/atkbdc/atkbd_atkbdc.c 56836 2000-01-29 15:08:56Z peter $
27 */
28
29#include "opt_kbd.h"
30
31#include <sys/param.h>
32#include <sys/systm.h>
33#include <sys/kernel.h>
34#include <sys/conf.h>
35#include <sys/tty.h>
36#include <sys/bus.h>
37#include <machine/bus.h>
38#include <sys/rman.h>
39
40#include <machine/resource.h>
41
42#include <dev/kbd/kbdreg.h>
43#include <dev/kbd/atkbdreg.h>
44#include <dev/kbd/atkbdcreg.h>
45
46#include <isa/isareg.h>
47#include <isa/isavar.h>
48
49devclass_t atkbd_devclass;
50
51static int atkbdprobe(device_t dev);
52static int atkbdattach(device_t dev);
53static void atkbd_isa_intr(void *arg);
54
55static device_method_t atkbd_methods[] = {
56 DEVMETHOD(device_probe, atkbdprobe),
57 DEVMETHOD(device_attach, atkbdattach),
58 { 0, 0 }
59};
60
61static driver_t atkbd_driver = {
62 ATKBD_DRIVER_NAME,
63 atkbd_methods,
64 1,
65};
66
67static int
68atkbdprobe(device_t dev)
69{
70 uintptr_t port;
71 uintptr_t irq;
72 uintptr_t flags;
73
74 device_set_desc(dev, "AT Keyboard");
75
76 /* obtain parameters */
77 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_PORT, &port);
78 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq);
79 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags);
80
81 /* probe the device */
82 return atkbd_probe_unit(device_get_unit(dev), port, irq, flags);
83}
84
85static int
86atkbdattach(device_t dev)
87{
88 keyboard_t *kbd;
89 uintptr_t port;
90 uintptr_t irq;
91 uintptr_t flags;
92 struct resource *res;
93 void *ih;
94 int zero = 0;
95 int error;
96
97 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_PORT, &port);
98 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_IRQ, &irq);
99 BUS_READ_IVAR(device_get_parent(dev), dev, KBDC_IVAR_FLAGS, &flags);
100
101 error = atkbd_attach_unit(device_get_unit(dev), &kbd, port, irq, flags);
102 if (error)
103 return error;
104
105 /* declare our interrupt handler */
106 res = bus_alloc_resource(dev, SYS_RES_IRQ, &zero, irq, irq, 1,
107 RF_SHAREABLE | RF_ACTIVE);
108 BUS_SETUP_INTR(device_get_parent(dev), dev, res, INTR_TYPE_TTY,
109 atkbd_isa_intr, kbd, &ih);
110
111 return 0;
112}
113
114static void
115atkbd_isa_intr(void *arg)
116{
117 keyboard_t *kbd;
118
119 kbd = (keyboard_t *)arg;
120 (*kbdsw[kbd->kb_index]->intr)(kbd, NULL);
121}
122
123DRIVER_MODULE(atkbd, atkbdc, atkbd_driver, atkbd_devclass, 0, 0);