2013-09-26 17:14:40 +02:00

234 lines
7.3 KiB
C

/* $NetBSD: devinfo_audio.c,v 1.2 2008/11/27 18:00:44 jmcneill Exp $ */
/*-
* Copyright (c) 2008 Jared D. McNeill <jmcneill@invisible.ca>
* 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.
*/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <sys/audioio.h>
#include <sys/ioctl.h>
#include <errno.h>
#include <fcntl.h>
#include <stdio.h>
#include <string.h>
#include <paths.h>
#include <unistd.h>
#include "../osspec.h"
#include "../logger.h"
#include "../hald.h"
#include "../hald_dbus.h"
#include "../device_info.h"
#include "../util.h"
#include "../ids.h"
#include "hotplug.h"
#include "devinfo.h"
#include "devinfo_audio.h"
#include "drvctl.h"
HalDevice *devinfo_audio_add(HalDevice *parent, const char *devnode, char *devfs_path, char *device_type);
HalDevice *devinfo_audio_mixer_add(HalDevice *parent, const char *devnode, char *devfs_path, char *device_type);
HalDevice *devinfo_audio_dsp_add(HalDevice *parent, const char *devnode, char *devfs_path, char *device_type);
DevinfoDevHandler devinfo_audio_handler = {
devinfo_audio_add,
NULL,
NULL,
NULL,
NULL,
NULL
};
DevinfoDevHandler devinfo_audio_mixer_handler = {
devinfo_audio_mixer_add,
NULL,
NULL,
NULL,
NULL,
NULL
};
DevinfoDevHandler devinfo_audio_dsp_handler = {
devinfo_audio_dsp_add,
NULL,
NULL,
NULL,
NULL,
NULL
};
HalDevice *
devinfo_audio_add(HalDevice *parent, const char *devnode, char *devfs_path, char *device_type)
{
HalDevice *d = NULL, *mixer, *dsp;
prop_dictionary_t dict;
const char *driver, *parent_udi;
char *childnode;
int16_t unit;
char *audioctl;
struct audio_device audiodev;
int fd;
if (drvctl_find_device (devnode, &dict) == FALSE || dict == NULL)
return NULL;
if (prop_dictionary_get_int16 (dict, "device-unit", &unit) == false ||
prop_dictionary_get_cstring_nocopy (dict, "device-driver", &driver) == false) {
prop_object_release (dict);
return NULL;
}
if (strcmp (driver, "audio") != 0) {
prop_object_release (dict);
return NULL;
}
audioctl = g_strdup_printf (_PATH_AUDIOCTL "%d", unit);
fd = open (audioctl, O_RDONLY);
if (fd < 0) {
HAL_WARNING (("couldn't open %s: %s", audioctl, strerror(errno)));
goto done;
}
if (ioctl (fd, AUDIO_GETDEV, &audiodev) == -1) {
HAL_WARNING (("couldn't query %s: %s", audioctl, strerror(errno)));
goto done;
}
d = hal_device_new ();
devinfo_set_default_properties (d, parent, devnode, devfs_path);
hal_device_add_capability (d, "sound");
hal_device_property_set_string (d, "info.category", "sound");
hal_device_property_set_string (d, "info.subsystem", "sound");
hal_device_property_set_int (d, "sound.card", unit);
hal_device_property_set_string (d, "sound.card_id", audiodev.name);
hal_device_property_set_string (d, "netbsd.sound.hardware", audiodev.config);
parent_udi = hal_device_property_get_string (parent, "info.udi");
if (parent_udi)
hal_device_property_set_string (d, "sound.originating_device", parent_udi);
devinfo_add_enqueue (d, devfs_path, &devinfo_audio_handler);
childnode = g_strdup_printf ("oss_mixer_%d", unit);
devinfo_add_node (d, childnode);
g_free (childnode);
childnode = g_strdup_printf ("oss_dsp_%d", unit);
devinfo_add_node (d, childnode);
g_free (childnode);
done:
if (dict)
prop_object_release (dict);
if (audioctl)
g_free (audioctl);
if (fd >= 0)
close (fd);
return d;
}
HalDevice *
devinfo_audio_mixer_add(HalDevice *parent, const char *devnode, char *devfs_path, char *device_type)
{
HalDevice *d = NULL;
char *device_file, *parent_udi, *card_id, *device_id;
int16_t unit;
if (strstr (devnode, "oss_mixer_") != devnode)
return NULL;
d = hal_device_new ();
devinfo_set_default_properties (d, parent, devnode, devfs_path);
hal_device_add_capability (d, "oss");
hal_device_property_set_string (d, "info.category", "oss");
hal_device_property_set_string (d, "info.subsystem", "sound");
card_id = hal_device_property_get_string (parent, "sound.card_id");
hal_device_property_set_string (d, "oss.card_id", card_id);
unit = hal_device_property_get_int (parent, "sound.card");
hal_device_property_set_int (d, "oss.card", unit);
hal_device_property_set_int (d, "oss.device", unit + 16);
device_id = hal_device_property_get_string (parent, "netbsd.sound.hardware");
hal_device_property_set_string (d, "oss.device_id", device_id);
hal_device_property_set_string (d, "oss.type", "mixer");
device_file = g_strdup_printf (_PATH_MIXER "%d", unit);
hal_device_property_set_string (d, "oss.device_file", device_file);
g_free (device_file);
parent_udi = hal_device_property_get_string (parent, "info.udi");
if (parent_udi)
hal_device_property_set_string (d, "sound.originating_device", parent_udi);
devinfo_add_enqueue (d, devfs_path, &devinfo_audio_mixer_handler);
return d;
}
HalDevice *
devinfo_audio_dsp_add(HalDevice *parent, const char *devnode, char *devfs_path, char *device_type)
{
HalDevice *d = NULL;
char *device_file, *parent_udi, *card_id, *device_id;
int16_t unit;
if (strstr (devnode, "oss_dsp_") != devnode)
return NULL;
d = hal_device_new ();
devinfo_set_default_properties (d, parent, devnode, devfs_path);
hal_device_add_capability (d, "oss");
hal_device_property_set_string (d, "info.category", "oss");
hal_device_property_set_string (d, "info.subsystem", "sound");
card_id = hal_device_property_get_string (parent, "sound.card_id");
hal_device_property_set_string (d, "oss.card_id", card_id);
unit = hal_device_property_get_int (parent, "sound.card");
hal_device_property_set_int (d, "oss.card", unit);
hal_device_property_set_int (d, "oss.device", unit);
device_id = hal_device_property_get_string (parent, "netbsd.sound.hardware");
hal_device_property_set_string (d, "oss.device_id", device_id);
hal_device_property_set_string (d, "oss.type", "pcm");
device_file = g_strdup_printf (_PATH_SOUND "%d", unit);
hal_device_property_set_string (d, "oss.device_file", device_file);
g_free (device_file);
parent_udi = hal_device_property_get_string (parent, "info.udi");
if (parent_udi)
hal_device_property_set_string (d, "sound.originating_device", parent_udi);
devinfo_add_enqueue (d, devfs_path, &devinfo_audio_dsp_handler);
return d;
}