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
|
/* $NetBSD: spkr_audio.c,v 1.12 2022/09/24 23:16:02 thorpej Exp $ */
/*-
* Copyright (c) 2016 Nathanial Sloss <nathanialsloss@yahoo.com.au>
* 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 NETBSD FOUNDATION, INC. AND CONTRIBUTORS
* ``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 FOUNDATION OR CONTRIBUTORS
* 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/cdefs.h>
__KERNEL_RCSID(0, "$NetBSD: spkr_audio.c,v 1.12 2022/09/24 23:16:02 thorpej Exp $");
#include <sys/param.h>
#include <sys/systm.h>
#include <sys/audioio.h>
#include <sys/kernel.h>
#include <sys/errno.h>
#include <sys/device.h>
#include <sys/uio.h>
#include <sys/proc.h>
#include <sys/ioctl.h>
#include <sys/conf.h>
#include <sys/sysctl.h>
#include <dev/audio/audiovar.h>
#include <dev/audio/audiobellvar.h>
#include <dev/spkrvar.h>
#include <dev/spkrio.h>
static int spkr_audio_probe(device_t, cfdata_t, void *);
static void spkr_audio_attach(device_t, device_t, void *);
static int spkr_audio_detach(device_t, int);
static int spkr_audio_rescan(device_t, const char *, const int *);
static void spkr_audio_childdet(device_t, device_t);
struct spkr_audio_softc {
struct spkr_softc sc_spkr;
device_t sc_audiodev;
};
CFATTACH_DECL3_NEW(spkr_audio, sizeof(struct spkr_audio_softc),
spkr_audio_probe, spkr_audio_attach, spkr_audio_detach, NULL,
spkr_audio_rescan, spkr_audio_childdet, 0);
static void
spkr_audio_tone(device_t self, u_int xhz, u_int ticks)
{
struct spkr_audio_softc *sc = device_private(self);
#ifdef SPKRDEBUG
device_printf(self, "%s: %u %u\n", __func__, xhz, ticks);
#endif /* SPKRDEBUG */
if (xhz == 0 || ticks == 0)
return;
audiobell(sc->sc_audiodev, xhz, hztoms(ticks), sc->sc_spkr.sc_vol, 0);
}
static int
spkr_audio_probe(device_t parent, cfdata_t cf, void *aux)
{
struct audio_softc *asc = device_private(parent);
if ((asc->sc_props & AUDIO_PROP_PLAYBACK))
return 1;
return 0;
}
static void
spkr_audio_attach(device_t parent, device_t self, void *aux)
{
struct spkr_audio_softc *sc = device_private(self);
aprint_naive("\n");
aprint_normal(": PC Speaker (synthesized)\n");
sc->sc_audiodev = parent;
sc->sc_spkr.sc_vol = 80;
if (!pmf_device_register(self, NULL, NULL))
aprint_error_dev(self, "couldn't establish power handler\n");
spkr_attach(self, spkr_audio_tone);
}
static int
spkr_audio_detach(device_t self, int flags)
{
int error;
if ((error = spkr_detach(self, flags)) != 0)
return error;
pmf_device_deregister(self);
return 0;
}
static int
spkr_audio_rescan(device_t self, const char *iattr, const int *locators)
{
return spkr_rescan(self, iattr, locators);
}
static void
spkr_audio_childdet(device_t self, device_t child)
{
spkr_childdet(self, child);
}
|