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
|
/* $OpenBSD: beeper.c,v 1.9 2003/12/16 15:08:50 jason Exp $ */
/*
* Copyright (c) 2001 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.
*
* 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.
*
*/
/*
* Driver for beeper device on SUNW,Ultra-1-Engine.
*/
#include <sys/types.h>
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/kernel.h>
#include <sys/device.h>
#include <sys/conf.h>
#include <sys/timeout.h>
#include <machine/bus.h>
#include <machine/autoconf.h>
#include <machine/openfirm.h>
#include <sparc64/dev/ebusreg.h>
#include <sparc64/dev/ebusvar.h>
#include "pckbd.h"
#if NPCKBD > 0
#include <dev/ic/pckbcvar.h>
#include <dev/pckbc/pckbdvar.h>
#endif
struct beeper_softc {
struct device sc_dev;
bus_space_tag_t sc_iot;
bus_space_handle_t sc_ioh;
struct timeout sc_to;
int sc_belltimeout, sc_bellactive;
};
#define BEEP_REG 0
int beeper_match(struct device *, void *, void *);
void beeper_attach(struct device *, struct device *, void *);
struct cfattach beeper_ca = {
sizeof(struct beeper_softc), beeper_match, beeper_attach
};
struct cfdriver beeper_cd = {
NULL, "beeper", DV_DULL
};
#if NPCKBD > 0
void beeper_stop(void *);
void beeper_bell(void *, u_int, u_int, u_int, int);
#endif
int
beeper_match(parent, match, aux)
struct device *parent;
void *match;
void *aux;
{
struct ebus_attach_args *ea = aux;
if (strcmp(ea->ea_name, "beeper") == 0)
return (1);
return (0);
}
void
beeper_attach(parent, self, aux)
struct device *parent, *self;
void *aux;
{
struct beeper_softc *sc = (void *)self;
struct ebus_attach_args *ea = aux;
sc->sc_iot = ea->ea_iotag;
/* Use prom address if available, otherwise map it. */
if (ea->ea_nvaddrs) {
if (bus_space_map(sc->sc_iot, ea->ea_vaddrs[0], 0,
BUS_SPACE_MAP_PROMADDRESS, &sc->sc_ioh)) {
printf(": can't map PROM register space\n");
return;
}
} 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 NPCKBD > 0
timeout_set(&sc->sc_to, beeper_stop, sc);
pckbd_hookup_bell(beeper_bell, sc);
#endif
printf("\n");
}
#if NPCKBD > 0
void
beeper_stop(vsc)
void *vsc;
{
struct beeper_softc *sc = vsc;
int s;
s = spltty();
bus_space_write_4(sc->sc_iot, sc->sc_ioh, BEEP_REG, 0);
sc->sc_bellactive = 0;
sc->sc_belltimeout = 0;
splx(s);
}
void
beeper_bell(vsc, pitch, period, volume, poll)
void *vsc;
u_int pitch, period, volume;
int poll;
{
struct beeper_softc *sc = vsc;
int s, ticks;
ticks = (period * hz) / 1000;
if (ticks <= 0)
ticks = 1;
s = spltty();
if (sc->sc_bellactive) {
if (sc->sc_belltimeout == 0)
timeout_del(&sc->sc_to);
}
if (pitch == 0 || period == 0) {
beeper_stop(sc);
splx(s);
return;
}
if (!sc->sc_bellactive) {
sc->sc_bellactive = 1;
sc->sc_belltimeout = 1;
bus_space_write_4(sc->sc_iot, sc->sc_ioh, BEEP_REG, 1);
timeout_add(&sc->sc_to, ticks);
}
splx(s);
}
#endif /* NPCKBD > 0 */
|
