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
195
196
197
198
199
200
201
202
203
|
/* $OpenBSD: pckbc_ebus.c,v 1.6 2003/12/16 15:08:50 jason Exp $ */
/*
* Copyright (c) 2002 Jason L. Wright (jason@thought.net)
* 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.
*/
/*
* Driver for i8042 keyboard controller found on some PCI based
* UltraSPARCs
*
* Effort sponsored in part by the Defense Advanced Research Projects
* Agency (DARPA) and Air Force Research Laboratory, Air Force
* Materiel Command, USAF, under agreement number F30602-01-2-0537.
*
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <sys/malloc.h>
#include <machine/bus.h>
#include <machine/autoconf.h>
#include <machine/openfirm.h>
#include <sparc64/dev/ebusreg.h>
#include <sparc64/dev/ebusvar.h>
#include <dev/ic/i8042reg.h>
#include <dev/ic/pckbcvar.h>
struct pckbc_ebus_softc {
struct pckbc_softc sc_pckbc;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
bus_space_handle_t sc_ioh_c;
bus_space_handle_t sc_ioh_d;
void *sc_irq[2];
int sc_node;
};
int pckbc_ebus_match(struct device *, void *, void *);
void pckbc_ebus_attach(struct device *, struct device *, void *);
struct cfattach pckbc_ebus_ca = {
sizeof(struct pckbc_ebus_softc), pckbc_ebus_match, pckbc_ebus_attach
};
void pckbc_ebus_intr_establish(struct pckbc_softc *, pckbc_slot_t);
int pckbc_ebus_is_console(struct pckbc_ebus_softc *);
int
pckbc_ebus_match(parent, match, aux)
struct device *parent;
void *match;
void *aux;
{
struct ebus_attach_args *ea = aux;
if (strcmp(ea->ea_name, "8042") == 0)
return (1);
return (0);
}
void
pckbc_ebus_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct pckbc_ebus_softc *sc = (void *)self;
struct pckbc_softc *psc = &sc->sc_pckbc;
struct ebus_attach_args *ea = aux;
struct pckbc_internal *t = NULL;
int console;
sc->sc_iot = ea->ea_iotag;
sc->sc_node = ea->ea_node;
console = pckbc_ebus_is_console(sc);
if (console) {
if (pckbc_cnattach(sc->sc_iot,
EBUS_PADDR_FROM_REG(&ea->ea_regs[0]), KBCMDP,
PCKBC_KBD_SLOT) == 0) {
t = &pckbc_consdata;
pckbc_console_attached = 1;
sc->sc_ioh_c = t->t_ioh_c;
sc->sc_ioh_d = t->t_ioh_d;
} else
console = 0;
}
if (console == 0) {
/* Use prom address if available, otherwise map it. */
if (ea->ea_nvaddrs)
bus_space_map(sc->sc_iot, ea->ea_vaddrs[0], 0, 0,
&sc->sc_ioh);
else if (ebus_bus_map(sc->sc_iot, 0,
EBUS_PADDR_FROM_REG(&ea->ea_regs[0]), ea->ea_regs[0].size,
0, 0, &sc->sc_ioh) != 0) {
printf(": can't map register space\n");
return;
}
if (bus_space_subregion(sc->sc_iot, sc->sc_ioh,
KBCMDP, sizeof(u_int32_t), &sc->sc_ioh_c) != 0) {
printf(": couldn't get cmd subregion\n");
return;
}
if (bus_space_subregion(sc->sc_iot, sc->sc_ioh,
KBDATAP, sizeof(u_int32_t), &sc->sc_ioh_d) != 0) {
printf(": couldn't get data subregion\n");
return;
}
t = malloc(sizeof(struct pckbc_internal), M_DEVBUF, M_NOWAIT);
bzero(t, sizeof(struct pckbc_internal));
}
psc->intr_establish = pckbc_ebus_intr_establish;
sc->sc_irq[0] = bus_intr_establish(ea->ea_iotag, ea->ea_intrs[0],
IPL_TTY, 0, pckbcintr, psc, self->dv_xname);
if (sc->sc_irq[0] == NULL) {
printf(": couldn't get intr0\n");
return;
}
sc->sc_irq[1] = bus_intr_establish(ea->ea_iotag, ea->ea_intrs[1],
IPL_TTY, 0, pckbcintr, psc, self->dv_xname);
if (sc->sc_irq[1] == NULL) {
printf(": couldn't get intr1\n");
return;
}
t->t_iot = sc->sc_iot;
t->t_ioh_c = sc->sc_ioh_c;
t->t_ioh_d = sc->sc_ioh_d;
t->t_cmdbyte = KC8_CPU;
t->t_sc = psc;
psc->id = t;
printf("\n");
pckbc_attach(psc);
}
int
pckbc_ebus_is_console(sc)
struct pckbc_ebus_softc *sc;
{
char *name;
int node;
/*
* Loop through the children of 8042 and see if the keyboard
* exists, and further, whether it is the console input device.
* This is almost redundant because 8042 doesn't show up in
* device tree unless a keyboard is in fact attached.
*/
for (node = OF_child(sc->sc_node); node; node = OF_peer(node)) {
name = getpropstring(node, "name");
if (name == NULL)
continue;
if (strcmp("kb_ps2", name) == 0 ||
strcmp("keyboard", name) == 0) {
if (node == OF_instance_to_package(OF_stdin()))
return (1);
}
}
return (0);
}
void
pckbc_ebus_intr_establish(psc, slot)
struct pckbc_softc *psc;
pckbc_slot_t slot;
{
/* Nothing to do, interrupts were mapped in attach. */
}
|
