1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
|
/* $OpenBSD: pckbc_isa.c,v 1.10 2010/08/31 17:15:04 deraadt Exp $ */
/* $NetBSD: pckbc_isa.c,v 1.2 2000/03/23 07:01:35 thorpej Exp $ */
/*
* Copyright (c) 1998
* Matthias Drochner. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/malloc.h>
#include <machine/bus.h>
#include <dev/isa/isareg.h>
#include <dev/isa/isavar.h>
#include <dev/ic/i8042reg.h>
#include <dev/ic/pckbcvar.h>
int pckbc_isa_match(struct device *, void *, void *);
void pckbc_isa_attach(struct device *, struct device *, void *);
int pckbc_isa_activate(struct device *, int);
struct pckbc_isa_softc {
struct pckbc_softc sc_pckbc;
isa_chipset_tag_t sc_ic;
int sc_irq[PCKBC_NSLOTS];
};
struct cfattach pckbc_isa_ca = {
sizeof(struct pckbc_isa_softc), pckbc_isa_match, pckbc_isa_attach,
NULL, pckbc_isa_activate
};
void pckbc_isa_intr_establish(struct pckbc_softc *, pckbc_slot_t);
int
pckbc_isa_match(struct device *parent, void *match, void *aux)
{
struct isa_attach_args *ia = aux;
bus_space_tag_t iot = ia->ia_iot;
bus_space_handle_t ioh_d, ioh_c;
int res;
/* If values are hardwired to something that they can't be, punt. */
if ((ia->ia_iobase != IOBASEUNK && ia->ia_iobase != IO_KBD) ||
ia->ia_maddr != MADDRUNK ||
(ia->ia_irq != IRQUNK && ia->ia_irq != 1 /* XXX */) ||
ia->ia_drq != DRQUNK)
return (0);
if (pckbc_is_console(iot, IO_KBD) == 0) {
if (bus_space_map(iot, IO_KBD + KBDATAP, 1, 0, &ioh_d))
return (0);
if (bus_space_map(iot, IO_KBD + KBCMDP, 1, 0, &ioh_c))
goto fail;
/* flush KBC */
(void) pckbc_poll_data1(iot, ioh_d, ioh_c, PCKBC_KBD_SLOT, 0);
/* KBC selftest */
if (pckbc_send_cmd(iot, ioh_c, KBC_SELFTEST) == 0)
goto fail2;
res = pckbc_poll_data1(iot, ioh_d, ioh_c, PCKBC_KBD_SLOT, 0);
if (res != 0x55) {
printf("kbc selftest: %x\n", res);
goto fail2;
}
bus_space_unmap(iot, ioh_c, 1);
bus_space_unmap(iot, ioh_d, 1);
}
ia->ia_iobase = IO_KBD;
ia->ia_iosize = 5;
ia->ia_msize = 0x0;
return (1);
fail2:
bus_space_unmap(iot, ioh_c, 1);
fail:
bus_space_unmap(iot, ioh_d, 1);
return (0);
}
int
pckbc_isa_activate(struct device *self, int act)
{
struct pckbc_isa_softc *isc = (struct pckbc_isa_softc *)self;
int rv = 0;
switch (act) {
case DVACT_QUIESCE:
rv = config_activate_children(self, act);
break;
case DVACT_SUSPEND:
rv = config_activate_children(self, act);
break;
case DVACT_RESUME:
pckbc_reset(&isc->sc_pckbc);
rv = config_activate_children(self, act);
break;
}
return (rv);
}
void
pckbc_isa_attach(struct device *parent, struct device *self, void *aux)
{
struct pckbc_isa_softc *isc = (void *)self;
struct pckbc_softc *sc = &isc->sc_pckbc;
struct cfdata *cf = self->dv_cfdata;
struct isa_attach_args *ia = aux;
struct pckbc_internal *t;
bus_space_tag_t iot;
bus_space_handle_t ioh_d, ioh_c;
isc->sc_ic = ia->ia_ic;
iot = ia->ia_iot;
/*
* Set up IRQs for "normal" ISA.
*/
isc->sc_irq[PCKBC_KBD_SLOT] = 1;
isc->sc_irq[PCKBC_AUX_SLOT] = 12;
sc->intr_establish = pckbc_isa_intr_establish;
if (pckbc_is_console(iot, IO_KBD)) {
t = &pckbc_consdata;
pckbc_console_attached = 1;
/* t->t_cmdbyte was initialized by cnattach */
} else {
if (bus_space_map(iot, IO_KBD + KBDATAP, 1, 0, &ioh_d) ||
bus_space_map(iot, IO_KBD + KBCMDP, 1, 0, &ioh_c))
panic("pckbc_attach: couldn't map");
t = malloc(sizeof(*t), M_DEVBUF, M_WAITOK | M_ZERO);
t->t_iot = iot;
t->t_ioh_d = ioh_d;
t->t_ioh_c = ioh_c;
t->t_addr = IO_KBD;
t->t_cmdbyte = KC8_CPU; /* Enable ports */
}
t->t_sc = sc;
sc->id = t;
printf("\n");
/* Finish off the attach. */
pckbc_attach(sc, cf->cf_flags);
}
void
pckbc_isa_intr_establish(struct pckbc_softc *sc, pckbc_slot_t slot)
{
struct pckbc_isa_softc *isc = (void *)sc;
void *rv;
rv = isa_intr_establish(isc->sc_ic, isc->sc_irq[slot], IST_EDGE,
IPL_TTY, pckbcintr, sc, sc->sc_dv.dv_xname);
if (rv == NULL) {
printf("%s: unable to establish interrupt for %s slot\n",
sc->sc_dv.dv_xname, pckbc_slot_names[slot]);
} else {
printf("%s: using irq %d for %s slot\n", sc->sc_dv.dv_xname,
isc->sc_irq[slot], pckbc_slot_names[slot]);
}
}
|
