An isoc context for AMDTP stream is flushed to queue packet
by a call of pcm.ack. This commit extends this for AMDTP
domain.
Signed-off-by: Takashi Sakamoto <o-takashi@xxxxxxxxxxxxx>
---
sound/firewire/amdtp-stream.c | 24 +++++++++++++++---------
sound/firewire/amdtp-stream.h | 3 ++-
sound/firewire/bebob/bebob_pcm.c | 4 ++--
sound/firewire/dice/dice-pcm.c | 4 ++--
sound/firewire/digi00x/digi00x-pcm.c | 4 ++--
sound/firewire/fireface/ff-pcm.c | 4 ++--
sound/firewire/fireworks/fireworks_pcm.c | 4 ++--
sound/firewire/motu/motu-pcm.c | 4 ++--
sound/firewire/oxfw/oxfw-pcm.c | 4 ++--
sound/firewire/tascam/tascam-pcm.c | 4 ++--
10 files changed, 33 insertions(+), 26 deletions(-)
diff --git a/sound/firewire/amdtp-stream.c b/sound/firewire/amdtp-stream.c
index 23677b805b05..3d27d4ce2b45 100644
--- a/sound/firewire/amdtp-stream.c
+++ b/sound/firewire/amdtp-stream.c
@@ -1139,23 +1139,29 @@ unsigned long amdtp_domain_stream_pcm_pointer(struct amdtp_domain *d,
EXPORT_SYMBOL_GPL(amdtp_domain_stream_pcm_pointer);
/**
- * amdtp_stream_pcm_ack - acknowledge queued PCM frames
+ * amdtp_domain_stream_pcm_ack - acknowledge queued PCM frames
+ * @d: the AMDTP domain.
* @s: the AMDTP stream that transfers the PCM frames
*
* Returns zero always.
*/
-int amdtp_stream_pcm_ack(struct amdtp_stream *s)
+int amdtp_domain_stream_pcm_ack(struct amdtp_domain *d, struct amdtp_stream *s)
{
- /*
- * Process isochronous packets for recent isochronous cycle to handle
- * queued PCM frames.
- */
- if (amdtp_stream_running(s))
- fw_iso_context_flush_completions(s->context);
+ struct amdtp_stream *irq_target = d->irq_target;
+
+ // Process isochronous packets for recent isochronous cycle to handle
+ // queued PCM frames.
+ if (irq_target && amdtp_stream_running(irq_target)) {
+ // Queued packet should be processed without any kernel
+ // preemption to keep latency against bus cycle.
+ preempt_disable();
+ fw_iso_context_flush_completions(irq_target->context);
+ preempt_enable();
+ }
return 0;
}
-EXPORT_SYMBOL(amdtp_stream_pcm_ack);
+EXPORT_SYMBOL_GPL(amdtp_domain_stream_pcm_ack);
/**
* amdtp_stream_update - update the stream after a bus reset
diff --git a/sound/firewire/amdtp-stream.h b/sound/firewire/amdtp-stream.h
index ba0bbeddfdcb..470e77ca0061 100644
--- a/sound/firewire/amdtp-stream.h
+++ b/sound/firewire/amdtp-stream.h
@@ -198,7 +198,6 @@ int amdtp_stream_add_pcm_hw_constraints(struct amdtp_stream *s,
struct snd_pcm_runtime *runtime);
void amdtp_stream_pcm_prepare(struct amdtp_stream *s);
-int amdtp_stream_pcm_ack(struct amdtp_stream *s);
void amdtp_stream_pcm_abort(struct amdtp_stream *s);
extern const unsigned int amdtp_syt_intervals[CIP_SFC_COUNT];
@@ -303,4 +302,6 @@ static inline int amdtp_domain_set_events_per_period(struct amdtp_domain *d,
unsigned long amdtp_domain_stream_pcm_pointer(struct amdtp_domain *d,
struct amdtp_stream *s);
+int amdtp_domain_stream_pcm_ack(struct amdtp_domain *d, struct amdtp_stream *s);
+
#endif
diff --git a/sound/firewire/bebob/bebob_pcm.c b/sound/firewire/bebob/bebob_pcm.c
index dc15ea8d0dc5..1b100159f4c5 100644
--- a/sound/firewire/bebob/bebob_pcm.c
+++ b/sound/firewire/bebob/bebob_pcm.c
@@ -332,14 +332,14 @@ static int pcm_capture_ack(struct snd_pcm_substream *substream)
{
struct snd_bebob *bebob = substream->private_data;
- return amdtp_stream_pcm_ack(&bebob->tx_stream);
+ return amdtp_domain_stream_pcm_ack(&bebob->domain, &bebob->tx_stream);
}
static int pcm_playback_ack(struct snd_pcm_substream *substream)
{
struct snd_bebob *bebob = substream->private_data;
- return amdtp_stream_pcm_ack(&bebob->rx_stream);
+ return amdtp_domain_stream_pcm_ack(&bebob->domain, &bebob->rx_stream);
}
int snd_bebob_create_pcm_devices(struct snd_bebob *bebob)
diff --git a/sound/firewire/dice/dice-pcm.c b/sound/firewire/dice/dice-pcm.c
index 81b78e7d181d..f1848fb39bd0 100644
--- a/sound/firewire/dice/dice-pcm.c
+++ b/sound/firewire/dice/dice-pcm.c
@@ -394,7 +394,7 @@ static int capture_ack(struct snd_pcm_substream *substream)
struct snd_dice *dice = substream->private_data;
struct amdtp_stream *stream = &dice->tx_stream[substream->pcm->device];
- return amdtp_stream_pcm_ack(stream);
+ return amdtp_domain_stream_pcm_ack(&dice->domain, stream);
}
static int playback_ack(struct snd_pcm_substream *substream)
@@ -402,7 +402,7 @@ static int playback_ack(struct snd_pcm_substream *substream)
struct snd_dice *dice = substream->private_data;
struct amdtp_stream *stream = &dice->rx_stream[substream->pcm->device];
- return amdtp_stream_pcm_ack(stream);
+ return amdtp_domain_stream_pcm_ack(&dice->domain, stream);
}
int snd_dice_create_pcm(struct snd_dice *dice)
diff --git a/sound/firewire/digi00x/digi00x-pcm.c b/sound/firewire/digi00x/digi00x-pcm.c
index f6a2053d5f10..8befc5d2ef22 100644
--- a/sound/firewire/digi00x/digi00x-pcm.c
+++ b/sound/firewire/digi00x/digi00x-pcm.c
@@ -315,14 +315,14 @@ static int pcm_capture_ack(struct snd_pcm_substream *substream)
{
struct snd_dg00x *dg00x = substream->private_data;
- return amdtp_stream_pcm_ack(&dg00x->tx_stream);
+ return amdtp_domain_stream_pcm_ack(&dg00x->domain, &dg00x->tx_stream);
}
static int pcm_playback_ack(struct snd_pcm_substream *substream)
{
struct snd_dg00x *dg00x = substream->private_data;
- return amdtp_stream_pcm_ack(&dg00x->rx_stream);
+ return amdtp_domain_stream_pcm_ack(&dg00x->domain, &dg00x->rx_stream);
}
int snd_dg00x_create_pcm_devices(struct snd_dg00x *dg00x)
diff --git a/sound/firewire/fireface/ff-pcm.c b/sound/firewire/fireface/ff-pcm.c
index 5af1dce90921..c29f87a65c0f 100644
--- a/sound/firewire/fireface/ff-pcm.c
+++ b/sound/firewire/fireface/ff-pcm.c
@@ -355,14 +355,14 @@ static int pcm_capture_ack(struct snd_pcm_substream *substream)
{
struct snd_ff *ff = substream->private_data;
- return amdtp_stream_pcm_ack(&ff->tx_stream);
+ return amdtp_domain_stream_pcm_ack(&ff->domain, &ff->tx_stream);
}
static int pcm_playback_ack(struct snd_pcm_substream *substream)
{
struct snd_ff *ff = substream->private_data;
- return amdtp_stream_pcm_ack(&ff->rx_stream);
+ return amdtp_domain_stream_pcm_ack(&ff->domain, &ff->rx_stream);
}
int snd_ff_create_pcm_devices(struct snd_ff *ff)
diff --git a/sound/firewire/fireworks/fireworks_pcm.c b/sound/firewire/fireworks/fireworks_pcm.c
index 71f5057caa0d..64c1bcf28dfa 100644
--- a/sound/firewire/fireworks/fireworks_pcm.c
+++ b/sound/firewire/fireworks/fireworks_pcm.c
@@ -362,14 +362,14 @@ static int pcm_capture_ack(struct snd_pcm_substream *substream)
{
struct snd_efw *efw = substream->private_data;
- return amdtp_stream_pcm_ack(&efw->tx_stream);
+ return amdtp_domain_stream_pcm_ack(&efw->domain, &efw->tx_stream);
}
static int pcm_playback_ack(struct snd_pcm_substream *substream)
{
struct snd_efw *efw = substream->private_data;
- return amdtp_stream_pcm_ack(&efw->rx_stream);
+ return amdtp_domain_stream_pcm_ack(&efw->domain, &efw->rx_stream);
}
int snd_efw_create_pcm_devices(struct snd_efw *efw)
diff --git a/sound/firewire/motu/motu-pcm.c b/sound/firewire/motu/motu-pcm.c
index 13e2577c2a07..55d3d6661731 100644
--- a/sound/firewire/motu/motu-pcm.c
+++ b/sound/firewire/motu/motu-pcm.c
@@ -333,14 +333,14 @@ static int capture_ack(struct snd_pcm_substream *substream)
{
struct snd_motu *motu = substream->private_data;
- return amdtp_stream_pcm_ack(&motu->tx_stream);
+ return amdtp_domain_stream_pcm_ack(&motu->domain, &motu->tx_stream);
}
static int playback_ack(struct snd_pcm_substream *substream)
{
struct snd_motu *motu = substream->private_data;
- return amdtp_stream_pcm_ack(&motu->rx_stream);
+ return amdtp_domain_stream_pcm_ack(&motu->domain, &motu->rx_stream);
}
int snd_motu_create_pcm_devices(struct snd_motu *motu)
diff --git a/sound/firewire/oxfw/oxfw-pcm.c b/sound/firewire/oxfw/oxfw-pcm.c
index 3be35dfcf270..74bd1811cec2 100644
--- a/sound/firewire/oxfw/oxfw-pcm.c
+++ b/sound/firewire/oxfw/oxfw-pcm.c
@@ -406,14 +406,14 @@ static int pcm_capture_ack(struct snd_pcm_substream *substream)
{
struct snd_oxfw *oxfw = substream->private_data;
- return amdtp_stream_pcm_ack(&oxfw->tx_stream);
+ return amdtp_domain_stream_pcm_ack(&oxfw->domain, &oxfw->tx_stream);
}
static int pcm_playback_ack(struct snd_pcm_substream *substream)
{
struct snd_oxfw *oxfw = substream->private_data;
- return amdtp_stream_pcm_ack(&oxfw->rx_stream);
+ return amdtp_domain_stream_pcm_ack(&oxfw->domain, &oxfw->rx_stream);
}
int snd_oxfw_create_pcm(struct snd_oxfw *oxfw)
diff --git a/sound/firewire/tascam/tascam-pcm.c b/sound/firewire/tascam/tascam-pcm.c
index 1f66c8be7528..cd45f20ba515 100644
--- a/sound/firewire/tascam/tascam-pcm.c
+++ b/sound/firewire/tascam/tascam-pcm.c
@@ -244,14 +244,14 @@ static int pcm_capture_ack(struct snd_pcm_substream *substream)
{
struct snd_tscm *tscm = substream->private_data;
- return amdtp_stream_pcm_ack(&tscm->tx_stream);
+ return amdtp_domain_stream_pcm_ack(&tscm->domain, &tscm->tx_stream);
}
static int pcm_playback_ack(struct snd_pcm_substream *substream)
{
struct snd_tscm *tscm = substream->private_data;
- return amdtp_stream_pcm_ack(&tscm->rx_stream);
+ return amdtp_domain_stream_pcm_ack(&tscm->domain, &tscm->rx_stream);
}
int snd_tscm_create_pcm_devices(struct snd_tscm *tscm)
--
2.20.1
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