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-rw-r--r--sound/firewire/Kconfig14
-rw-r--r--sound/firewire/amdtp.c11
-rw-r--r--sound/firewire/amdtp.h1
-rw-r--r--sound/firewire/dice.c29
-rw-r--r--sound/firewire/fireworks/fireworks_proc.c4
5 files changed, 40 insertions, 19 deletions
diff --git a/sound/firewire/Kconfig b/sound/firewire/Kconfig
index 775ef2efc296..46dff64908c8 100644
--- a/sound/firewire/Kconfig
+++ b/sound/firewire/Kconfig
@@ -83,8 +83,8 @@ config SND_BEBOB
* Edirol FA-66/FA-101
* PreSonus FIREBOX/FIREPOD/FP10/Inspire1394
* BridgeCo RDAudio1/Audio5
- * Mackie Onyx 1220/1620/1640 (Firewire I/O Card)
- * Mackie d.2 (Firewire Option)
+ * Mackie Onyx 1220/1620/1640 (FireWire I/O Card)
+ * Mackie d.2 (FireWire Option)
* Stanton FinalScratch 2 (ScratchAmp)
* Tascam IF-FW/DM
* Behringer XENIX UFX 1204/1604
@@ -92,7 +92,7 @@ config SND_BEBOB
* Apogee Rosetta 200/400 (X-FireWire card)
* Apogee DA/AD/DD-16X (X-FireWire card)
* Apogee Ensemble
- * ESI Quotafire610
+ * ESI QuataFire 610
* AcousticReality eARMasterOne
* CME MatrixKFW
* Phonic Helix Board 12 MkII/18 MkII/24 MkII
@@ -101,13 +101,13 @@ config SND_BEBOB
* ICON FireXon
* PrismSound Orpheus/ADA-8XR
* TerraTec PHASE 24 FW/PHASE X24 FW/PHASE 88 Rack FW
- * Terratec EWS MIC2/EWS MIC4
- * Terratec Aureon 7.1 Firewire
+ * TerraTec EWS MIC2/EWS MIC8
+ * TerraTec Aureon 7.1 FireWire
* Yamaha GO44/GO46
* Focusrite Saffire/Saffire LE/SaffirePro10 IO/SaffirePro26 IO
- * M-Audio Firewire410/AudioPhile/Solo
+ * M-Audio FireWire410/AudioPhile/Solo
* M-Audio Ozonic/NRV10/ProfireLightBridge
- * M-Audio Firewire 1814/ProjectMix IO
+ * M-Audio FireWire 1814/ProjectMix IO
To compile this driver as a module, choose M here: the module
will be called snd-bebob.
diff --git a/sound/firewire/amdtp.c b/sound/firewire/amdtp.c
index f96bf4c7c232..95fc2eaf11dc 100644
--- a/sound/firewire/amdtp.c
+++ b/sound/firewire/amdtp.c
@@ -507,7 +507,16 @@ static void amdtp_pull_midi(struct amdtp_stream *s,
static void update_pcm_pointers(struct amdtp_stream *s,
struct snd_pcm_substream *pcm,
unsigned int frames)
-{ unsigned int ptr;
+{
+ unsigned int ptr;
+
+ /*
+ * In IEC 61883-6, one data block represents one event. In ALSA, one
+ * event equals to one PCM frame. But Dice has a quirk to transfer
+ * two PCM frames in one data block.
+ */
+ if (s->double_pcm_frames)
+ frames *= 2;
ptr = s->pcm_buffer_pointer + frames;
if (ptr >= pcm->runtime->buffer_size)
diff --git a/sound/firewire/amdtp.h b/sound/firewire/amdtp.h
index d8ee7b0e9386..4823c08196ac 100644
--- a/sound/firewire/amdtp.h
+++ b/sound/firewire/amdtp.h
@@ -125,6 +125,7 @@ struct amdtp_stream {
unsigned int pcm_buffer_pointer;
unsigned int pcm_period_pointer;
bool pointer_flush;
+ bool double_pcm_frames;
struct snd_rawmidi_substream *midi[AMDTP_MAX_CHANNELS_FOR_MIDI * 8];
diff --git a/sound/firewire/dice.c b/sound/firewire/dice.c
index a9a30c0161f1..e3a04d69c853 100644
--- a/sound/firewire/dice.c
+++ b/sound/firewire/dice.c
@@ -567,10 +567,14 @@ static int dice_hw_params(struct snd_pcm_substream *substream,
return err;
/*
- * At rates above 96 kHz, pretend that the stream runs at half the
- * actual sample rate with twice the number of channels; two samples
- * of a channel are stored consecutively in the packet. Requires
- * blocking mode and PCM buffer size should be aligned to SYT_INTERVAL.
+ * At 176.4/192.0 kHz, Dice has a quirk to transfer two PCM frames in
+ * one data block of AMDTP packet. Thus sampling transfer frequency is
+ * a half of PCM sampling frequency, i.e. PCM frames at 192.0 kHz are
+ * transferred on AMDTP packets at 96 kHz. Two successive samples of a
+ * channel are stored consecutively in the packet. This quirk is called
+ * as 'Dual Wire'.
+ * For this quirk, blocking mode is required and PCM buffer size should
+ * be aligned to SYT_INTERVAL.
*/
channels = params_channels(hw_params);
if (rate_index > 4) {
@@ -579,18 +583,25 @@ static int dice_hw_params(struct snd_pcm_substream *substream,
return err;
}
- for (i = 0; i < channels; i++) {
- dice->stream.pcm_positions[i * 2] = i;
- dice->stream.pcm_positions[i * 2 + 1] = i + channels;
- }
-
rate /= 2;
channels *= 2;
+ dice->stream.double_pcm_frames = true;
+ } else {
+ dice->stream.double_pcm_frames = false;
}
mode = rate_index_to_mode(rate_index);
amdtp_stream_set_parameters(&dice->stream, rate, channels,
dice->rx_midi_ports[mode]);
+ if (rate_index > 4) {
+ channels /= 2;
+
+ for (i = 0; i < channels; i++) {
+ dice->stream.pcm_positions[i] = i * 2;
+ dice->stream.pcm_positions[i + channels] = i * 2 + 1;
+ }
+ }
+
amdtp_stream_set_pcm_format(&dice->stream,
params_format(hw_params));
diff --git a/sound/firewire/fireworks/fireworks_proc.c b/sound/firewire/fireworks/fireworks_proc.c
index f29d4aaf56a1..0639dcb13f7d 100644
--- a/sound/firewire/fireworks/fireworks_proc.c
+++ b/sound/firewire/fireworks/fireworks_proc.c
@@ -64,7 +64,7 @@ proc_read_hwinfo(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
hwinfo->phys_in_grp_count);
for (i = 0; i < hwinfo->phys_in_grp_count; i++) {
snd_iprintf(buffer,
- "phys in grp[0x%d]: type 0x%d, count 0x%d\n",
+ "phys in grp[%d]: type 0x%X, count 0x%X\n",
i, hwinfo->phys_out_grps[i].type,
hwinfo->phys_out_grps[i].count);
}
@@ -73,7 +73,7 @@ proc_read_hwinfo(struct snd_info_entry *entry, struct snd_info_buffer *buffer)
hwinfo->phys_out_grp_count);
for (i = 0; i < hwinfo->phys_out_grp_count; i++) {
snd_iprintf(buffer,
- "phys out grps[0x%d]: type 0x%d, count 0x%d\n",
+ "phys out grps[%d]: type 0x%X, count 0x%X\n",
i, hwinfo->phys_out_grps[i].type,
hwinfo->phys_out_grps[i].count);
}
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