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/***************************************************************************
* CVSID: $Id$
*
* hf-sound.c : sound (OSS) device support
*
* Copyright (C) 2006 Joe Marcus Clarke <marcus@FreeBSD.org>
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
**************************************************************************/
#ifdef HAVE_CONFIG_H
# include <config.h>
#endif
#include <string.h>
#include "../logger.h"
#include "../util.h"
#include "hf-sound.h"
#include "hf-devtree.h"
#include "hf-util.h"
#define HF_SNDSTAT_DEV "/dev/sndstat"
static GHashTable *drv_hash = NULL;
static const struct oss_sound_device {
char *type;
char *driver;
} oss_sound_devices[] = {
{ "pcm", "dsp" },
{ "mixer", "mixer" }
/* XXX midi support has been removed which means no sequencer either
{ "midi", "midi" }
*/
};
static HalDevice *
hf_sound_oss_device_new (HalDevice *parent,
const char *type,
const char *driver)
{
HalDevice *device;
char *product, *card_id, *devname, *dev_node;
const char *pproduct;
int unit;
g_return_val_if_fail(HAL_IS_DEVICE(parent), NULL);
unit = hal_device_property_get_int(parent, "freebsd.unit");
dev_node = g_strdup_printf("/dev/%s%i", driver, unit);
if (! g_file_test(dev_node, G_FILE_TEST_EXISTS))
{
g_free(dev_node);
return NULL;
}
device = hf_device_new(parent);
hal_device_property_set_string(device, "oss.originating_device", hal_device_get_udi(parent));
pproduct = hal_device_property_get_string(parent, "info.product");
product = g_strdup_printf("%s (%s)", (pproduct != NULL) ? pproduct : "Sound Card",
type);
hal_device_property_set_string(device, "info.product", product);
hal_device_property_set_string(device, "oss.device_id", product);
g_free(product);
hal_device_property_set_string(device, "info.category", "oss");
hal_device_add_capability(device, "oss");
hal_device_property_set_string(device, "oss.type", type);
hal_device_property_set_int(device, "oss.card", unit);
hal_device_property_set_int(device, "oss.device", unit);
devname = hf_devtree_device_get_name(parent);
if (devname)
{
card_id = g_hash_table_lookup(drv_hash, (gconstpointer)devname);
if (card_id)
hal_device_property_set_string(device, "oss.card_id", card_id);
else
hal_device_copy_property(device, "oss.card_id", device, "oss.device_id");
}
else
hal_device_copy_property(device, "oss.card_id", device, "oss.device_id");
g_free(devname);
hal_device_property_set_string(device, "oss.device_file", dev_node);
g_free(dev_node);
hf_device_set_full_udi(device, "%s_oss_%s_%i", hal_device_get_udi(parent), type, unit);
return device;
}
static void
hf_sound_probe (void)
{
GIOChannel *channel;
GError *err = NULL;
GSList *pcm_devices, *l;
char *buf;
char **toks;
gsize len;
int i;
drv_hash = g_hash_table_new_full(g_str_hash, g_str_equal, g_free, g_free);
channel = g_io_channel_new_file(HF_SNDSTAT_DEV, "r", &err);
if (channel == NULL)
{
HAL_WARNING(("unable to open %s: %s", HF_SNDSTAT_DEV, err->message));
goto nosndstat;
}
if (g_io_channel_read_to_end(channel, &buf, &len, &err) !=
G_IO_STATUS_NORMAL)
{
HAL_WARNING(("failed to read %s: %s", HF_SNDSTAT_DEV, err->message));
g_io_channel_unref(channel);
goto nosndstat;
}
g_io_channel_unref(channel);
toks = g_strsplit(buf, "\n", 0);
g_free(buf);
if (g_strv_length(toks) < 3)
{
HAL_INFO(("no soundcards found"));
g_strfreev(toks);
goto nosndstat;
}
for (i = 2; toks[i] != NULL; i++)
{
char *drv, *descr, *ptr;
/* format:
pcm0: <Intel ICH5 (82801EB)> at io 0xffa7f800, 0xffa7f400 irq 17 bufsz 16384 kld snd_ich (1p/1r/0v channels duplex default)
*/
/* These next two checks handle the case where hw.snd.verbose > 1 */
if (g_ascii_isspace(toks[i][0]))
continue;
if (strcmp(toks[i], "File Versions:") == 0)
break;
ptr = strchr(toks[i], ':');
if (ptr == NULL)
continue;
drv = g_strndup(toks[i], strlen(toks[i]) - strlen(ptr));
ptr = strstr(toks[i], "snd_");
if (ptr == NULL)
{
g_free(drv);
continue;
}
descr = g_strdup(ptr);
g_hash_table_insert(drv_hash, (gpointer)drv, (gpointer)descr);
}
g_strfreev(toks);
nosndstat:
pcm_devices = hal_device_store_match_multiple_key_value_string(hald_get_gdl(),
"freebsd.driver", "pcm");
HF_LIST_FOREACH(l, pcm_devices)
{
HalDevice *parent = HAL_DEVICE(l->data);
if (! hal_device_property_get_bool(parent, "info.ignore"))
{
int unit;
int j;
unit = hal_device_property_get_int(parent, "freebsd.unit");
for (j = 0; j < (int) G_N_ELEMENTS(oss_sound_devices); j++)
if (! hf_device_store_match(hald_get_gdl(),
"oss.card", HAL_PROPERTY_TYPE_INT32, unit,
"oss.type", HAL_PROPERTY_TYPE_STRING, oss_sound_devices[j].type,
NULL))
{
HalDevice *device;
device = hf_sound_oss_device_new(parent,
oss_sound_devices[j].type,
oss_sound_devices[j].driver);
if (device)
hf_device_preprobe_and_add(device);
}
}
}
g_slist_free(pcm_devices);
g_hash_table_destroy(drv_hash);
}
HFHandler hf_sound_handler = {
.probe = hf_sound_probe
};
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