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diff --git a/sys/dev/sound/pcm/channel.h b/sys/dev/sound/pcm/channel.h
--- a/sys/dev/sound/pcm/channel.h
+++ b/sys/dev/sound/pcm/channel.h
@@ -260,6 +260,7 @@
int chn_flush(struct pcm_channel *c);
int chn_poll(struct pcm_channel *c, int ev, struct thread *td);
+char *chn_mkname(char *buf, size_t len, struct pcm_channel *c);
struct pcm_channel *chn_init(struct snddev_info *d, struct pcm_channel *parent,
kobj_class_t cls, int dir, void *devinfo);
void chn_kill(struct pcm_channel *c);
diff --git a/sys/dev/sound/pcm/channel.c b/sys/dev/sound/pcm/channel.c
--- a/sys/dev/sound/pcm/channel.c
+++ b/sys/dev/sound/pcm/channel.c
@@ -1161,13 +1161,13 @@
chn_getunr(struct snddev_info *d, int type)
{
switch (type) {
- case SND_DEV_DSPHW_PLAY:
+ case PCMDIR_PLAY:
return (d->p_unr);
- case SND_DEV_DSPHW_VPLAY:
+ case PCMDIR_PLAY_VIRTUAL:
return (d->vp_unr);
- case SND_DEV_DSPHW_REC:
+ case PCMDIR_REC:
return (d->r_unr);
- case SND_DEV_DSPHW_VREC:
+ case PCMDIR_REC_VIRTUAL:
return (d->vr_unr);
default:
__assert_unreachable();
@@ -1175,6 +1175,37 @@
}
+char *
+chn_mkname(char *buf, size_t len, struct pcm_channel *c)
+{
+ const char *str;
+
+ KASSERT(buf != NULL && len != 0,
+ ("%s(): bogus buf=%p len=%lu", __func__, buf, len));
+
+ switch (c->type) {
+ case PCMDIR_PLAY:
+ str = "play";
+ break;
+ case PCMDIR_PLAY_VIRTUAL:
+ str = "virtual_play";
+ break;
+ case PCMDIR_REC:
+ str = "record";
+ break;
+ case PCMDIR_REC_VIRTUAL:
+ str = "virtual_record";
+ break;
+ default:
+ __assert_unreachable();
+ }
+
+ snprintf(buf, len, "dsp%d.%s.%d",
+ device_get_unit(c->dev), str, c->unit);
+
+ return (buf);
+}
+
struct pcm_channel *
chn_init(struct snddev_info *d, struct pcm_channel *parent, kobj_class_t cls,
int dir, void *devinfo)
@@ -1183,27 +1214,19 @@
struct feeder_class *fc;
struct snd_dbuf *b, *bs;
char buf[CHN_NAMELEN];
- int i, direction, type;
+ int i, direction;
PCM_BUSYASSERT(d);
PCM_LOCKASSERT(d);
switch (dir) {
- case PCMDIR_PLAY:
- direction = PCMDIR_PLAY;
- type = SND_DEV_DSPHW_PLAY;
- break;
+ case PCMDIR_PLAY: /* FALLTHROUGH */
case PCMDIR_PLAY_VIRTUAL:
direction = PCMDIR_PLAY;
- type = SND_DEV_DSPHW_VPLAY;
- break;
- case PCMDIR_REC:
- direction = PCMDIR_REC;
- type = SND_DEV_DSPHW_REC;
break;
+ case PCMDIR_REC: /* FALLTHROUGH */
case PCMDIR_REC_VIRTUAL:
direction = PCMDIR_REC;
- type = SND_DEV_DSPHW_VREC;
break;
default:
device_printf(d->dev,
@@ -1222,7 +1245,7 @@
CHN_INIT(c, children);
CHN_INIT(c, children.busy);
c->direction = direction;
- c->type = type;
+ c->type = dir;
c->unit = alloc_unr(chn_getunr(d, c->type));
c->format = SND_FORMAT(AFMT_U8, 1, 0);
c->speed = DSP_DEFAULT_SPEED;
@@ -1234,8 +1257,7 @@
c->parentchannel = parent;
c->dev = d->dev;
c->trigger = PCMTRIG_STOP;
-
- strlcpy(c->name, dsp_unit2name(buf, sizeof(buf), c), sizeof(c->name));
+ strlcpy(c->name, chn_mkname(buf, sizeof(buf), c), sizeof(c->name));
c->matrix = *feeder_matrix_id_map(SND_CHN_MATRIX_1_0);
c->matrix.id = SND_CHN_MATRIX_PCMCHANNEL;
@@ -1303,16 +1325,16 @@
CHN_INSERT_SORT_ASCEND(d, c, channels.pcm);
switch (c->type) {
- case SND_DEV_DSPHW_PLAY:
+ case PCMDIR_PLAY:
d->playcount++;
break;
- case SND_DEV_DSPHW_VPLAY:
+ case PCMDIR_PLAY_VIRTUAL:
d->pvchancount++;
break;
- case SND_DEV_DSPHW_REC:
+ case PCMDIR_REC:
d->reccount++;
break;
- case SND_DEV_DSPHW_VREC:
+ case PCMDIR_REC_VIRTUAL:
d->rvchancount++;
break;
default:
@@ -1354,16 +1376,16 @@
CHN_REMOVE(d, c, channels.pcm);
switch (c->type) {
- case SND_DEV_DSPHW_PLAY:
+ case PCMDIR_PLAY:
d->playcount--;
break;
- case SND_DEV_DSPHW_VPLAY:
+ case PCMDIR_PLAY_VIRTUAL:
d->pvchancount--;
break;
- case SND_DEV_DSPHW_REC:
+ case PCMDIR_REC:
d->reccount--;
break;
- case SND_DEV_DSPHW_VREC:
+ case PCMDIR_REC_VIRTUAL:
d->rvchancount--;
break;
default:
diff --git a/sys/dev/sound/pcm/dsp.h b/sys/dev/sound/pcm/dsp.h
--- a/sys/dev/sound/pcm/dsp.h
+++ b/sys/dev/sound/pcm/dsp.h
@@ -35,7 +35,6 @@
int dsp_make_dev(device_t);
void dsp_destroy_dev(device_t);
-char *dsp_unit2name(char *, size_t, struct pcm_channel *);
int dsp_oss_audioinfo(struct cdev *, oss_audioinfo *, bool);
int dsp_oss_engineinfo(struct cdev *, oss_audioinfo *);
diff --git a/sys/dev/sound/pcm/dsp.c b/sys/dev/sound/pcm/dsp.c
--- a/sys/dev/sound/pcm/dsp.c
+++ b/sys/dev/sound/pcm/dsp.c
@@ -164,25 +164,6 @@
#define DSP_F_READ(x) ((x) & FREAD)
#define DSP_F_WRITE(x) ((x) & FWRITE)
-static const struct {
- int type;
- char *name;
- char *sep;
- char *alias;
-} dsp_cdevs[] = {
- { SND_DEV_DSP, "dsp", ".", NULL },
- { SND_DEV_DSPHW_PLAY, "dsp", ".play.", NULL },
- { SND_DEV_DSPHW_VPLAY, "dsp", ".virtual_play.", NULL },
- { SND_DEV_DSPHW_REC, "dsp", ".record.", NULL },
- { SND_DEV_DSPHW_VREC, "dsp", ".virtual_record.", NULL },
- /* Low priority, OSSv4 aliases. */
- { SND_DEV_DSP, "dsp_ac3", ".", "dsp" },
- { SND_DEV_DSP, "dsp_mmap", ".", "dsp" },
- { SND_DEV_DSP, "dsp_multich", ".", "dsp" },
- { SND_DEV_DSP, "dsp_spdifout", ".", "dsp" },
- { SND_DEV_DSP, "dsp_spdifin", ".", "dsp" },
-};
-
static void
dsp_close(void *data)
{
@@ -1941,20 +1922,26 @@
return (0);
}
+static const char *dsp_aliases[] = {
+ "dsp_ac3",
+ "dsp_mmap",
+ "dsp_multich",
+ "dsp_spdifout",
+ "dsp_spdifin",
+};
+
static void
dsp_clone(void *arg, struct ucred *cred, char *name, int namelen,
struct cdev **dev)
{
struct snddev_info *d;
size_t i;
-
if (*dev != NULL)
return;
if (strcmp(name, "dsp") == 0 && dsp_basename_clone)
goto found;
- for (i = 0; i < nitems(dsp_cdevs); i++) {
- if (dsp_cdevs[i].alias != NULL &&
- strcmp(name, dsp_cdevs[i].name) == 0)
+ for (i = 0; i < nitems(dsp_aliases); i++) {
+ if (strcmp(name, dsp_aliases[i]) == 0)
goto found;
}
return;
@@ -1994,26 +1981,6 @@
SYSINIT(dsp_sysinit, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, dsp_sysinit, NULL);
SYSUNINIT(dsp_sysuninit, SI_SUB_DRIVERS, SI_ORDER_MIDDLE, dsp_sysuninit, NULL);
-char *
-dsp_unit2name(char *buf, size_t len, struct pcm_channel *ch)
-{
- size_t i;
-
- KASSERT(buf != NULL && len != 0,
- ("bogus buf=%p len=%ju", buf, (uintmax_t)len));
-
- for (i = 0; i < nitems(dsp_cdevs); i++) {
- if (ch->type != dsp_cdevs[i].type || dsp_cdevs[i].alias != NULL)
- continue;
- snprintf(buf, len, "%s%d%s%d",
- dsp_cdevs[i].name, device_get_unit(ch->dev),
- dsp_cdevs[i].sep, ch->unit);
- return (buf);
- }
-
- return (NULL);
-}
-
static void
dsp_oss_audioinfo_unavail(oss_audioinfo *ai, int unit)
{
@@ -2233,7 +2200,6 @@
struct snddev_info *d;
uint32_t fmts;
int i, nchan, *rates, minch, maxch, unit;
- char *devname, buf[CHN_NAMELEN];
/*
* If probing the device that received the ioctl, make sure it's a
@@ -2244,9 +2210,7 @@
return (EINVAL);
ch = NULL;
- devname = NULL;
nchan = 0;
- bzero(buf, sizeof(buf));
/*
* Search for the requested audio device (channel). Start by
@@ -2267,147 +2231,142 @@
CHN_FOREACH(ch, d, channels.pcm) {
CHN_UNLOCKASSERT(ch);
CHN_LOCK(ch);
- if (ai->dev == -1) {
- if (devfs_foreach_cdevpriv(i_dev,
- dsp_oss_engineinfo_cb, ch) != 0) {
- devname = dsp_unit2name(buf,
- sizeof(buf), ch);
- }
- } else if (ai->dev == nchan)
- devname = dsp_unit2name(buf, sizeof(buf), ch);
- if (devname != NULL)
+ if ((ai->dev == -1 && devfs_foreach_cdevpriv(
+ i_dev, dsp_oss_engineinfo_cb, ch) != 0) ||
+ ai->dev == nchan)
break;
CHN_UNLOCK(ch);
++nchan;
}
- if (devname != NULL) {
- /*
- * At this point, the following synchronization stuff
- * has happened:
- * - a specific PCM device is locked.
- * - a specific audio channel has been locked, so be
- * sure to unlock when exiting;
- */
+ if (ch == NULL) {
+ PCM_UNLOCK(d);
+ continue;
+ }
- caps = chn_getcaps(ch);
+ /*
+ * At this point, the following synchronization stuff
+ * has happened:
+ * - a specific PCM device is locked.
+ * - a specific audio channel has been locked, so be
+ * sure to unlock when exiting;
+ */
- /*
- * With all handles collected, zero out the user's
- * container and begin filling in its fields.
- */
- bzero((void *)ai, sizeof(oss_audioinfo));
+ caps = chn_getcaps(ch);
- ai->dev = nchan;
- strlcpy(ai->name, ch->name, sizeof(ai->name));
+ /*
+ * With all handles collected, zero out the user's
+ * container and begin filling in its fields.
+ */
+ bzero((void *)ai, sizeof(oss_audioinfo));
- if ((ch->flags & CHN_F_BUSY) == 0)
- ai->busy = 0;
- else
- ai->busy = (ch->direction == PCMDIR_PLAY) ? OPEN_WRITE : OPEN_READ;
+ ai->dev = nchan;
+ strlcpy(ai->name, ch->name, sizeof(ai->name));
- ai->pid = ch->pid;
- strlcpy(ai->cmd, ch->comm, sizeof(ai->cmd));
+ if ((ch->flags & CHN_F_BUSY) == 0)
+ ai->busy = 0;
+ else
+ ai->busy = (ch->direction == PCMDIR_PLAY) ? OPEN_WRITE : OPEN_READ;
- /*
- * These flags stolen from SNDCTL_DSP_GETCAPS handler.
- * Note, however, that a single channel operates in
- * only one direction, so PCM_CAP_DUPLEX is out.
- */
- /**
- * @todo @c SNDCTL_AUDIOINFO::caps - Make drivers keep
- * these in pcmchan::caps?
- */
- ai->caps = PCM_CAP_REALTIME | PCM_CAP_MMAP | PCM_CAP_TRIGGER |
- ((ch->flags & CHN_F_VIRTUAL) ? PCM_CAP_VIRTUAL : 0) |
- ((ch->direction == PCMDIR_PLAY) ? PCM_CAP_OUTPUT : PCM_CAP_INPUT);
+ ai->pid = ch->pid;
+ strlcpy(ai->cmd, ch->comm, sizeof(ai->cmd));
- /*
- * Collect formats supported @b natively by the
- * device. Also determine min/max channels.
- */
- minch = INT_MAX;
- maxch = 0;
- fmts = 0;
- for (i = 0; caps->fmtlist[i]; i++) {
- fmts |= AFMT_ENCODING(caps->fmtlist[i]);
- minch = min(AFMT_CHANNEL(caps->fmtlist[i]), minch);
- maxch = max(AFMT_CHANNEL(caps->fmtlist[i]), maxch);
- }
+ /*
+ * These flags stolen from SNDCTL_DSP_GETCAPS handler.
+ * Note, however, that a single channel operates in
+ * only one direction, so PCM_CAP_DUPLEX is out.
+ */
+ /**
+ * @todo @c SNDCTL_AUDIOINFO::caps - Make drivers keep
+ * these in pcmchan::caps?
+ */
+ ai->caps = PCM_CAP_REALTIME | PCM_CAP_MMAP | PCM_CAP_TRIGGER |
+ ((ch->flags & CHN_F_VIRTUAL) ? PCM_CAP_VIRTUAL : 0) |
+ ((ch->direction == PCMDIR_PLAY) ? PCM_CAP_OUTPUT : PCM_CAP_INPUT);
- if (ch->direction == PCMDIR_PLAY)
- ai->oformats = fmts;
- else
- ai->iformats = fmts;
-
- /**
- * @note
- * @c magic - OSSv4 docs: "Reserved for internal use
- * by OSS."
- *
- * @par
- * @c card_number - OSSv4 docs: "Number of the sound
- * card where this device belongs or -1 if this
- * information is not available. Applications
- * should normally not use this field for any
- * purpose."
- */
- ai->card_number = unit;
- /**
- * @todo @c song_name - depends first on
- * SNDCTL_[GS]ETSONG @todo @c label - depends
- * on SNDCTL_[GS]ETLABEL
- * @todo @c port_number - routing information?
- */
- ai->port_number = unit;
- ai->mixer_dev = (d->mixer_dev != NULL) ? unit : -1;
- /**
- * @note
- * @c legacy_device - OSSv4 docs: "Obsolete."
- */
- ai->legacy_device = unit;
- snprintf(ai->devnode, sizeof(ai->devnode), "/dev/dsp%d", unit);
- ai->enabled = device_is_attached(d->dev) ? 1 : 0;
- /**
- * @note
- * @c flags - OSSv4 docs: "Reserved for future use."
- *
- * @note
- * @c binding - OSSv4 docs: "Reserved for future use."
- *
- * @todo @c handle - haven't decided how to generate
- * this yet; bus, vendor, device IDs?
- */
+ /*
+ * Collect formats supported @b natively by the
+ * device. Also determine min/max channels.
+ */
+ minch = INT_MAX;
+ maxch = 0;
+ fmts = 0;
+ for (i = 0; caps->fmtlist[i]; i++) {
+ fmts |= AFMT_ENCODING(caps->fmtlist[i]);
+ minch = min(AFMT_CHANNEL(caps->fmtlist[i]), minch);
+ maxch = max(AFMT_CHANNEL(caps->fmtlist[i]), maxch);
+ }
- if ((ch->flags & CHN_F_EXCLUSIVE) ||
- (pcm_getflags(d->dev) & SD_F_BITPERFECT)) {
- ai->min_rate = caps->minspeed;
- ai->max_rate = caps->maxspeed;
- } else {
- ai->min_rate = feeder_rate_min;
- ai->max_rate = feeder_rate_max;
- }
+ if (ch->direction == PCMDIR_PLAY)
+ ai->oformats = fmts;
+ else
+ ai->iformats = fmts;
+
+ /**
+ * @note
+ * @c magic - OSSv4 docs: "Reserved for internal use
+ * by OSS."
+ *
+ * @par
+ * @c card_number - OSSv4 docs: "Number of the sound
+ * card where this device belongs or -1 if this
+ * information is not available. Applications
+ * should normally not use this field for any
+ * purpose."
+ */
+ ai->card_number = unit;
+ /**
+ * @todo @c song_name - depends first on
+ * SNDCTL_[GS]ETSONG @todo @c label - depends
+ * on SNDCTL_[GS]ETLABEL
+ * @todo @c port_number - routing information?
+ */
+ ai->port_number = unit;
+ ai->mixer_dev = (d->mixer_dev != NULL) ? unit : -1;
+ /**
+ * @note
+ * @c legacy_device - OSSv4 docs: "Obsolete."
+ */
+ ai->legacy_device = unit;
+ snprintf(ai->devnode, sizeof(ai->devnode), "/dev/dsp%d", unit);
+ ai->enabled = device_is_attached(d->dev) ? 1 : 0;
+ /**
+ * @note
+ * @c flags - OSSv4 docs: "Reserved for future use."
+ *
+ * @note
+ * @c binding - OSSv4 docs: "Reserved for future use."
+ *
+ * @todo @c handle - haven't decided how to generate
+ * this yet; bus, vendor, device IDs?
+ */
- ai->min_channels = minch;
- ai->max_channels = maxch;
+ if ((ch->flags & CHN_F_EXCLUSIVE) ||
+ (pcm_getflags(d->dev) & SD_F_BITPERFECT)) {
+ ai->min_rate = caps->minspeed;
+ ai->max_rate = caps->maxspeed;
+ } else {
+ ai->min_rate = feeder_rate_min;
+ ai->max_rate = feeder_rate_max;
+ }
- ai->nrates = chn_getrates(ch, &rates);
- if (ai->nrates > OSS_MAX_SAMPLE_RATES)
- ai->nrates = OSS_MAX_SAMPLE_RATES;
+ ai->min_channels = minch;
+ ai->max_channels = maxch;
- for (i = 0; i < ai->nrates; i++)
- ai->rates[i] = rates[i];
-
- ai->next_play_engine = 0;
- ai->next_rec_engine = 0;
+ ai->nrates = chn_getrates(ch, &rates);
+ if (ai->nrates > OSS_MAX_SAMPLE_RATES)
+ ai->nrates = OSS_MAX_SAMPLE_RATES;
- CHN_UNLOCK(ch);
- }
+ for (i = 0; i < ai->nrates; i++)
+ ai->rates[i] = rates[i];
+
+ ai->next_play_engine = 0;
+ ai->next_rec_engine = 0;
+ CHN_UNLOCK(ch);
PCM_UNLOCK(d);
- if (devname != NULL)
- return (0);
+ return (0);
}
/* Exhausted the search -- nothing is locked, so return. */
diff --git a/sys/dev/sound/pcm/sound.h b/sys/dev/sound/pcm/sound.h
--- a/sys/dev/sound/pcm/sound.h
+++ b/sys/dev/sound/pcm/sound.h
@@ -225,10 +225,6 @@
SND_DEV_MIDIN, /* Raw midi access */
SND_DEV_DSP, /* Digitized voice /dev/dsp */
SND_DEV_STATUS, /* /dev/sndstat */
- SND_DEV_DSPHW_PLAY, /* specific playback channel */
- SND_DEV_DSPHW_VPLAY, /* specific virtual playback channel */
- SND_DEV_DSPHW_REC, /* specific record channel */
- SND_DEV_DSPHW_VREC, /* specific virtual record channel */
};
#define DSP_DEFAULT_SPEED 8000
diff --git a/sys/dev/sound/pcm/vchan.c b/sys/dev/sound/pcm/vchan.c
--- a/sys/dev/sound/pcm/vchan.c
+++ b/sys/dev/sound/pcm/vchan.c
@@ -886,14 +886,9 @@
c->flags |= CHN_F_DIRTY;
#ifdef SND_DEBUG
- if (snd_passthrough_verbose != 0) {
- char *devname, buf[CHN_NAMELEN];
-
- devname = dsp_unit2name(buf, sizeof(buf), c);
- device_printf(c->dev,
- "%s(%s/%s) %s() -> re-sync err=%d\n",
- __func__, (devname != NULL) ? devname : "dspX", c->comm,
- caller, ret);
+ if (snd_passthrough_verbose) {
+ device_printf(c->dev, "%s(%s/%s) %s() -> re-sync err=%d\n",
+ __func__, c->name, c->comm, caller, ret);
}
#endif

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