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-rw-r--r--sound/firewire/motu/amdtp-motu.c155
-rw-r--r--sound/firewire/motu/motu-midi.c2
-rw-r--r--sound/firewire/motu/motu-pcm.c64
-rw-r--r--sound/firewire/motu/motu-proc.c4
-rw-r--r--sound/firewire/motu/motu-protocol-v2.c142
-rw-r--r--sound/firewire/motu/motu-protocol-v3.c4
-rw-r--r--sound/firewire/motu/motu-stream.c143
-rw-r--r--sound/firewire/motu/motu.c44
-rw-r--r--sound/firewire/motu/motu.h12
9 files changed, 343 insertions, 227 deletions
diff --git a/sound/firewire/motu/amdtp-motu.c b/sound/firewire/motu/amdtp-motu.c
index 7973dedd31ef..0fd36e469ad0 100644
--- a/sound/firewire/motu/amdtp-motu.c
+++ b/sound/firewire/motu/amdtp-motu.c
@@ -117,19 +117,25 @@ int amdtp_motu_set_parameters(struct amdtp_stream *s, unsigned int rate,
return 0;
}
-static void read_pcm_s32(struct amdtp_stream *s,
- struct snd_pcm_runtime *runtime,
- __be32 *buffer, unsigned int data_blocks)
+static void read_pcm_s32(struct amdtp_stream *s, struct snd_pcm_substream *pcm,
+ __be32 *buffer, unsigned int data_blocks,
+ unsigned int pcm_frames)
{
struct amdtp_motu *p = s->protocol;
- unsigned int channels, remaining_frames, i, c;
+ unsigned int channels = p->pcm_chunks;
+ struct snd_pcm_runtime *runtime = pcm->runtime;
+ unsigned int pcm_buffer_pointer;
+ int remaining_frames;
u8 *byte;
u32 *dst;
+ int i, c;
+
+ pcm_buffer_pointer = s->pcm_buffer_pointer + pcm_frames;
+ pcm_buffer_pointer %= runtime->buffer_size;
- channels = p->pcm_chunks;
dst = (void *)runtime->dma_area +
- frames_to_bytes(runtime, s->pcm_buffer_pointer);
- remaining_frames = runtime->buffer_size - s->pcm_buffer_pointer;
+ frames_to_bytes(runtime, pcm_buffer_pointer);
+ remaining_frames = runtime->buffer_size - pcm_buffer_pointer;
for (i = 0; i < data_blocks; ++i) {
byte = (u8 *)buffer + p->pcm_byte_offset;
@@ -147,19 +153,25 @@ static void read_pcm_s32(struct amdtp_stream *s,
}
}
-static void write_pcm_s32(struct amdtp_stream *s,
- struct snd_pcm_runtime *runtime,
- __be32 *buffer, unsigned int data_blocks)
+static void write_pcm_s32(struct amdtp_stream *s, struct snd_pcm_substream *pcm,
+ __be32 *buffer, unsigned int data_blocks,
+ unsigned int pcm_frames)
{
struct amdtp_motu *p = s->protocol;
- unsigned int channels, remaining_frames, i, c;
+ unsigned int channels = p->pcm_chunks;
+ struct snd_pcm_runtime *runtime = pcm->runtime;
+ unsigned int pcm_buffer_pointer;
+ int remaining_frames;
u8 *byte;
const u32 *src;
+ int i, c;
+
+ pcm_buffer_pointer = s->pcm_buffer_pointer + pcm_frames;
+ pcm_buffer_pointer %= runtime->buffer_size;
- channels = p->pcm_chunks;
src = (void *)runtime->dma_area +
- frames_to_bytes(runtime, s->pcm_buffer_pointer);
- remaining_frames = runtime->buffer_size - s->pcm_buffer_pointer;
+ frames_to_bytes(runtime, pcm_buffer_pointer);
+ remaining_frames = runtime->buffer_size - pcm_buffer_pointer;
for (i = 0; i < data_blocks; ++i) {
byte = (u8 *)buffer + p->pcm_byte_offset;
@@ -298,24 +310,52 @@ static void __maybe_unused copy_message(u64 *frames, __be32 *buffer,
}
}
-static unsigned int process_tx_data_blocks(struct amdtp_stream *s,
- __be32 *buffer, unsigned int data_blocks,
- unsigned int *syt)
+static void probe_tracepoints_events(struct amdtp_stream *s,
+ const struct pkt_desc *descs,
+ unsigned int packets)
+{
+ int i;
+
+ for (i = 0; i < packets; ++i) {
+ const struct pkt_desc *desc = descs + i;
+ __be32 *buf = desc->ctx_payload;
+ unsigned int data_blocks = desc->data_blocks;
+
+ trace_data_block_sph(s, data_blocks, buf);
+ trace_data_block_message(s, data_blocks, buf);
+ }
+}
+
+static unsigned int process_ir_ctx_payloads(struct amdtp_stream *s,
+ const struct pkt_desc *descs,
+ unsigned int packets,
+ struct snd_pcm_substream *pcm)
{
struct amdtp_motu *p = s->protocol;
- struct snd_pcm_substream *pcm;
+ unsigned int pcm_frames = 0;
+ int i;
+
+ // For data block processing.
+ for (i = 0; i < packets; ++i) {
+ const struct pkt_desc *desc = descs + i;
+ __be32 *buf = desc->ctx_payload;
+ unsigned int data_blocks = desc->data_blocks;
- trace_data_block_sph(s, data_blocks, buffer);
- trace_data_block_message(s, data_blocks, buffer);
+ if (pcm) {
+ read_pcm_s32(s, pcm, buf, data_blocks, pcm_frames);
+ pcm_frames += data_blocks;
+ }
- if (p->midi_ports)
- read_midi_messages(s, buffer, data_blocks);
+ if (p->midi_ports)
+ read_midi_messages(s, buf, data_blocks);
+ }
- pcm = READ_ONCE(s->pcm);
- if (data_blocks > 0 && pcm)
- read_pcm_s32(s, pcm->runtime, buffer, data_blocks);
+ // For tracepoints.
+ if (trace_data_block_sph_enabled() ||
+ trace_data_block_message_enabled())
+ probe_tracepoints_events(s, descs, packets);
- return data_blocks;
+ return pcm_frames;
}
static inline void compute_next_elapse_from_start(struct amdtp_motu *p)
@@ -360,46 +400,55 @@ static void write_sph(struct amdtp_stream *s, __be32 *buffer,
}
}
-static unsigned int process_rx_data_blocks(struct amdtp_stream *s,
- __be32 *buffer, unsigned int data_blocks,
- unsigned int *syt)
+static unsigned int process_it_ctx_payloads(struct amdtp_stream *s,
+ const struct pkt_desc *descs,
+ unsigned int packets,
+ struct snd_pcm_substream *pcm)
{
- struct amdtp_motu *p = (struct amdtp_motu *)s->protocol;
- struct snd_pcm_substream *pcm;
+ struct amdtp_motu *p = s->protocol;
+ unsigned int pcm_frames = 0;
+ int i;
- /* Not used. */
- *syt = 0xffff;
+ // For data block processing.
+ for (i = 0; i < packets; ++i) {
+ const struct pkt_desc *desc = descs + i;
+ __be32 *buf = desc->ctx_payload;
+ unsigned int data_blocks = desc->data_blocks;
- /* TODO: how to interact control messages between userspace? */
+ if (pcm) {
+ write_pcm_s32(s, pcm, buf, data_blocks, pcm_frames);
+ pcm_frames += data_blocks;
+ } else {
+ write_pcm_silence(s, buf, data_blocks);
+ }
- if (p->midi_ports)
- write_midi_messages(s, buffer, data_blocks);
+ if (p->midi_ports)
+ write_midi_messages(s, buf, data_blocks);
- pcm = READ_ONCE(s->pcm);
- if (pcm)
- write_pcm_s32(s, pcm->runtime, buffer, data_blocks);
- else
- write_pcm_silence(s, buffer, data_blocks);
+ // TODO: how to interact control messages between userspace?
- write_sph(s, buffer, data_blocks);
+ write_sph(s, buf, data_blocks);
+ }
- trace_data_block_sph(s, data_blocks, buffer);
- trace_data_block_message(s, data_blocks, buffer);
+ // For tracepoints.
+ if (trace_data_block_sph_enabled() ||
+ trace_data_block_message_enabled())
+ probe_tracepoints_events(s, descs, packets);
- return data_blocks;
+ return pcm_frames;
}
int amdtp_motu_init(struct amdtp_stream *s, struct fw_unit *unit,
enum amdtp_stream_direction dir,
const struct snd_motu_protocol *const protocol)
{
- amdtp_stream_process_data_blocks_t process_data_blocks;
+ amdtp_stream_process_ctx_payloads_t process_ctx_payloads;
int fmt = CIP_FMT_MOTU;
int flags = CIP_BLOCKING;
int err;
if (dir == AMDTP_IN_STREAM) {
- process_data_blocks = process_tx_data_blocks;
+ process_ctx_payloads = process_ir_ctx_payloads;
/*
* Units of version 3 transmits packets with invalid CIP header
@@ -418,17 +467,23 @@ int amdtp_motu_init(struct amdtp_stream *s, struct fw_unit *unit,
CIP_SKIP_DBC_ZERO_CHECK;
}
} else {
- process_data_blocks = process_rx_data_blocks;
+ process_ctx_payloads = process_it_ctx_payloads;
flags |= CIP_DBC_IS_END_EVENT;
}
- err = amdtp_stream_init(s, unit, dir, flags, fmt, process_data_blocks,
+ err = amdtp_stream_init(s, unit, dir, flags, fmt, process_ctx_payloads,
sizeof(struct amdtp_motu));
if (err < 0)
return err;
s->sph = 1;
- s->ctx_data.rx.fdf = MOTU_FDF_AM824;
+
+ if (dir == AMDTP_OUT_STREAM) {
+ // Use fixed value for FDF field.
+ s->ctx_data.rx.fdf = MOTU_FDF_AM824;
+ // Not used.
+ s->ctx_data.rx.syt_override = 0xffff;
+ }
return 0;
}
diff --git a/sound/firewire/motu/motu-midi.c b/sound/firewire/motu/motu-midi.c
index 46a0035df31e..2365f7dfde26 100644
--- a/sound/firewire/motu/motu-midi.c
+++ b/sound/firewire/motu/motu-midi.c
@@ -17,7 +17,7 @@ static int midi_open(struct snd_rawmidi_substream *substream)
mutex_lock(&motu->mutex);
- err = snd_motu_stream_reserve_duplex(motu, 0);
+ err = snd_motu_stream_reserve_duplex(motu, 0, 0, 0);
if (err >= 0) {
++motu->substreams_counter;
err = snd_motu_stream_start_duplex(motu);
diff --git a/sound/firewire/motu/motu-pcm.c b/sound/firewire/motu/motu-pcm.c
index aa2e584da6fe..2d41a1a4052c 100644
--- a/sound/firewire/motu/motu-pcm.c
+++ b/sound/firewire/motu/motu-pcm.c
@@ -134,8 +134,8 @@ static int pcm_open(struct snd_pcm_substream *substream)
{
struct snd_motu *motu = substream->private_data;
const struct snd_motu_protocol *const protocol = motu->spec->protocol;
+ struct amdtp_domain *d = &motu->domain;
enum snd_motu_clock_source src;
- unsigned int rate;
int err;
err = snd_motu_stream_lock_try(motu);
@@ -152,28 +152,47 @@ static int pcm_open(struct snd_pcm_substream *substream)
if (err < 0)
goto err_locked;
- /*
- * When source of clock is not internal or any PCM streams are running,
- * available sampling rate is limited at current sampling rate.
- */
err = protocol->get_clock_source(motu, &src);
if (err < 0)
goto err_locked;
- if (src != SND_MOTU_CLOCK_SOURCE_INTERNAL ||
- amdtp_stream_pcm_running(&motu->tx_stream) ||
- amdtp_stream_pcm_running(&motu->rx_stream)) {
+
+ // When source of clock is not internal or any stream is reserved for
+ // transmission of PCM frames, the available sampling rate is limited
+ // at current one.
+ if ((src != SND_MOTU_CLOCK_SOURCE_INTERNAL &&
+ src != SND_MOTU_CLOCK_SOURCE_SPH) ||
+ (motu->substreams_counter > 0 && d->events_per_period > 0)) {
+ unsigned int frames_per_period = d->events_per_period;
+ unsigned int frames_per_buffer = d->events_per_buffer;
+ unsigned int rate;
+
err = protocol->get_clock_rate(motu, &rate);
if (err < 0)
goto err_locked;
+
substream->runtime->hw.rate_min = rate;
substream->runtime->hw.rate_max = rate;
+
+ if (frames_per_period > 0) {
+ err = snd_pcm_hw_constraint_minmax(substream->runtime,
+ SNDRV_PCM_HW_PARAM_PERIOD_SIZE,
+ frames_per_period, frames_per_period);
+ if (err < 0)
+ goto err_locked;
+
+ err = snd_pcm_hw_constraint_minmax(substream->runtime,
+ SNDRV_PCM_HW_PARAM_BUFFER_SIZE,
+ frames_per_buffer, frames_per_buffer);
+ if (err < 0)
+ goto err_locked;
+ }
}
snd_pcm_set_sync(substream);
mutex_unlock(&motu->mutex);
- return err;
+ return 0;
err_locked:
mutex_unlock(&motu->mutex);
snd_motu_stream_lock_release(motu);
@@ -193,18 +212,16 @@ static int pcm_hw_params(struct snd_pcm_substream *substream,
struct snd_pcm_hw_params *hw_params)
{
struct snd_motu *motu = substream->private_data;
- int err;
-
- err = snd_pcm_lib_alloc_vmalloc_buffer(substream,
- params_buffer_bytes(hw_params));
- if (err < 0)
- return err;
+ int err = 0;
if (substream->runtime->status->state == SNDRV_PCM_STATE_OPEN) {
unsigned int rate = params_rate(hw_params);
+ unsigned int frames_per_period = params_period_size(hw_params);
+ unsigned int frames_per_buffer = params_buffer_size(hw_params);
mutex_lock(&motu->mutex);
- err = snd_motu_stream_reserve_duplex(motu, rate);
+ err = snd_motu_stream_reserve_duplex(motu, rate,
+ frames_per_period, frames_per_buffer);
if (err >= 0)
++motu->substreams_counter;
mutex_unlock(&motu->mutex);
@@ -226,7 +243,7 @@ static int pcm_hw_free(struct snd_pcm_substream *substream)
mutex_unlock(&motu->mutex);
- return snd_pcm_lib_free_vmalloc_buffer(substream);
+ return 0;
}
static int capture_prepare(struct snd_pcm_substream *substream)
@@ -295,27 +312,27 @@ static snd_pcm_uframes_t capture_pointer(struct snd_pcm_substream *substream)
{
struct snd_motu *motu = substream->private_data;
- return amdtp_stream_pcm_pointer(&motu->tx_stream);
+ return amdtp_domain_stream_pcm_pointer(&motu->domain, &motu->tx_stream);
}
static snd_pcm_uframes_t playback_pointer(struct snd_pcm_substream *substream)
{
struct snd_motu *motu = substream->private_data;
- return amdtp_stream_pcm_pointer(&motu->rx_stream);
+ return amdtp_domain_stream_pcm_pointer(&motu->domain, &motu->rx_stream);
}
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)
@@ -323,26 +340,22 @@ int snd_motu_create_pcm_devices(struct snd_motu *motu)
static const struct snd_pcm_ops capture_ops = {
.open = pcm_open,
.close = pcm_close,
- .ioctl = snd_pcm_lib_ioctl,
.hw_params = pcm_hw_params,
.hw_free = pcm_hw_free,
.prepare = capture_prepare,
.trigger = capture_trigger,
.pointer = capture_pointer,
.ack = capture_ack,
- .page = snd_pcm_lib_get_vmalloc_page,
};
static const struct snd_pcm_ops playback_ops = {
.open = pcm_open,
.close = pcm_close,
- .ioctl = snd_pcm_lib_ioctl,
.hw_params = pcm_hw_params,
.hw_free = pcm_hw_free,
.prepare = playback_prepare,
.trigger = playback_trigger,
.pointer = playback_pointer,
.ack = playback_ack,
- .page = snd_pcm_lib_get_vmalloc_page,
};
struct snd_pcm *pcm;
int err;
@@ -355,6 +368,7 @@ int snd_motu_create_pcm_devices(struct snd_motu *motu)
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_CAPTURE, &capture_ops);
snd_pcm_set_ops(pcm, SNDRV_PCM_STREAM_PLAYBACK, &playback_ops);
+ snd_pcm_set_managed_buffer_all(pcm, SNDRV_DMA_TYPE_VMALLOC, NULL, 0, 0);
return 0;
}
diff --git a/sound/firewire/motu/motu-proc.c b/sound/firewire/motu/motu-proc.c
index ea46fb4c1b5a..187f6abd878c 100644
--- a/sound/firewire/motu/motu-proc.c
+++ b/sound/firewire/motu/motu-proc.c
@@ -16,9 +16,11 @@ static const char *const clock_names[] = {
[SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT] = "S/PDIF on optical interface",
[SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT_A] = "S/PDIF on optical interface A",
[SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT_B] = "S/PDIF on optical interface B",
- [SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX] = "S/PCIF on coaxial interface",
+ [SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX] = "S/PDIF on coaxial interface",
[SND_MOTU_CLOCK_SOURCE_AESEBU_ON_XLR] = "AESEBU on XLR interface",
[SND_MOTU_CLOCK_SOURCE_WORD_ON_BNC] = "Word clock on BNC interface",
+ [SND_MOTU_CLOCK_SOURCE_SPH] = "Source packet header",
+ [SND_MOTU_CLOCK_SOURCE_UNKNOWN] = "Unknown",
};
static void proc_read_clock(struct snd_info_entry *entry,
diff --git a/sound/firewire/motu/motu-protocol-v2.c b/sound/firewire/motu/motu-protocol-v2.c
index 9e2f16eebe0a..619b6ae73f62 100644
--- a/sound/firewire/motu/motu-protocol-v2.c
+++ b/sound/firewire/motu/motu-protocol-v2.c
@@ -12,10 +12,8 @@
#define V2_CLOCK_RATE_SHIFT 3
#define V2_CLOCK_SRC_MASK 0x00000007
#define V2_CLOCK_SRC_SHIFT 0
-#define V2_CLOCK_TRAVELER_FETCH_DISABLE 0x04000000
-#define V2_CLOCK_TRAVELER_FETCH_ENABLE 0x03000000
-#define V2_CLOCK_8PRE_FETCH_DISABLE 0x02000000
-#define V2_CLOCK_8PRE_FETCH_ENABLE 0x00000000
+#define V2_CLOCK_FETCH_ENABLE 0x02000000
+#define V2_CLOCK_MODEL_SPECIFIC 0x04000000
#define V2_IN_OUT_CONF_OFFSET 0x0c04
#define V2_OPT_OUT_IFACE_MASK 0x00000c00
@@ -26,10 +24,20 @@
#define V2_OPT_IFACE_MODE_ADAT 1
#define V2_OPT_IFACE_MODE_SPDIF 2
+static int get_clock_rate(u32 data, unsigned int *rate)
+{
+ unsigned int index = (data & V2_CLOCK_RATE_MASK) >> V2_CLOCK_RATE_SHIFT;
+ if (index >= ARRAY_SIZE(snd_motu_clock_rates))
+ return -EIO;
+
+ *rate = snd_motu_clock_rates[index];
+
+ return 0;
+}
+
static int v2_get_clock_rate(struct snd_motu *motu, unsigned int *rate)
{
__be32 reg;
- unsigned int index;
int err;
err = snd_motu_transaction_read(motu, V2_CLOCK_STATUS_OFFSET, &reg,
@@ -37,13 +45,7 @@ static int v2_get_clock_rate(struct snd_motu *motu, unsigned int *rate)
if (err < 0)
return err;
- index = (be32_to_cpu(reg) & V2_CLOCK_RATE_MASK) >> V2_CLOCK_RATE_SHIFT;
- if (index >= ARRAY_SIZE(snd_motu_clock_rates))
- return -EIO;
-
- *rate = snd_motu_clock_rates[index];
-
- return 0;
+ return get_clock_rate(be32_to_cpu(reg), rate);
}
static int v2_set_clock_rate(struct snd_motu *motu, unsigned int rate)
@@ -69,51 +71,44 @@ static int v2_set_clock_rate(struct snd_motu *motu, unsigned int rate)
data &= ~V2_CLOCK_RATE_MASK;
data |= i << V2_CLOCK_RATE_SHIFT;
- if (motu->spec == &snd_motu_spec_traveler) {
- data &= ~V2_CLOCK_TRAVELER_FETCH_ENABLE;
- data |= V2_CLOCK_TRAVELER_FETCH_DISABLE;
- }
-
reg = cpu_to_be32(data);
return snd_motu_transaction_write(motu, V2_CLOCK_STATUS_OFFSET, &reg,
sizeof(reg));
}
-static int v2_get_clock_source(struct snd_motu *motu,
- enum snd_motu_clock_source *src)
+static int get_clock_source(struct snd_motu *motu, u32 data,
+ enum snd_motu_clock_source *src)
{
- __be32 reg;
- unsigned int index;
- int err;
-
- err = snd_motu_transaction_read(motu, V2_CLOCK_STATUS_OFFSET, &reg,
- sizeof(reg));
- if (err < 0)
- return err;
-
- index = be32_to_cpu(reg) & V2_CLOCK_SRC_MASK;
+ unsigned int index = data & V2_CLOCK_SRC_MASK;
if (index > 5)
return -EIO;
- /* To check the configuration of optical interface. */
- err = snd_motu_transaction_read(motu, V2_IN_OUT_CONF_OFFSET, &reg,
- sizeof(reg));
- if (err < 0)
- return err;
-
switch (index) {
case 0:
*src = SND_MOTU_CLOCK_SOURCE_INTERNAL;
break;
case 1:
+ {
+ __be32 reg;
+
+ // To check the configuration of optical interface.
+ int err = snd_motu_transaction_read(motu, V2_IN_OUT_CONF_OFFSET,
+ &reg, sizeof(reg));
+ if (err < 0)
+ return err;
+
if (be32_to_cpu(reg) & 0x00000200)
*src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_OPT;
else
*src = SND_MOTU_CLOCK_SOURCE_ADAT_ON_OPT;
break;
+ }
case 2:
*src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX;
break;
+ case 3:
+ *src = SND_MOTU_CLOCK_SOURCE_SPH;
+ break;
case 4:
*src = SND_MOTU_CLOCK_SOURCE_WORD_ON_BNC;
break;
@@ -127,44 +122,65 @@ static int v2_get_clock_source(struct snd_motu *motu,
return 0;
}
+static int v2_get_clock_source(struct snd_motu *motu,
+ enum snd_motu_clock_source *src)
+{
+ __be32 reg;
+ int err;
+
+ err = snd_motu_transaction_read(motu, V2_CLOCK_STATUS_OFFSET, &reg,
+ sizeof(reg));
+ if (err < 0)
+ return err;
+
+ return get_clock_source(motu, be32_to_cpu(reg), src);
+}
+
static int v2_switch_fetching_mode(struct snd_motu *motu, bool enable)
{
+ enum snd_motu_clock_source src;
__be32 reg;
u32 data;
int err = 0;
- if (motu->spec == &snd_motu_spec_traveler ||
- motu->spec == &snd_motu_spec_8pre) {
- err = snd_motu_transaction_read(motu, V2_CLOCK_STATUS_OFFSET,
- &reg, sizeof(reg));
+ // 828mkII implements Altera ACEX 1K EP1K30. Nothing to do.
+ if (motu->spec == &snd_motu_spec_828mk2)
+ return 0;
+
+ err = snd_motu_transaction_read(motu, V2_CLOCK_STATUS_OFFSET, &reg,
+ sizeof(reg));
+ if (err < 0)
+ return err;
+ data = be32_to_cpu(reg);
+
+ err = get_clock_source(motu, data, &src);
+ if (err < 0)
+ return err;
+
+ data &= ~(V2_CLOCK_FETCH_ENABLE | V2_CLOCK_MODEL_SPECIFIC);
+ if (enable)
+ data |= V2_CLOCK_FETCH_ENABLE;
+
+ if (motu->spec->flags & SND_MOTU_SPEC_SUPPORT_CLOCK_X4) {
+ // Expected for Traveler and 896HD, which implements Altera
+ // Cyclone EP1C3.
+ data |= V2_CLOCK_MODEL_SPECIFIC;
+ } else {
+ // For UltraLite and 8pre, which implements Xilinx Spartan
+ // XC3S200.
+ unsigned int rate;
+
+ err = get_clock_rate(data, &rate);
if (err < 0)
return err;
- data = be32_to_cpu(reg);
-
- if (motu->spec == &snd_motu_spec_traveler) {
- data &= ~(V2_CLOCK_TRAVELER_FETCH_DISABLE |
- V2_CLOCK_TRAVELER_FETCH_ENABLE);
-
- if (enable)
- data |= V2_CLOCK_TRAVELER_FETCH_ENABLE;
- else
- data |= V2_CLOCK_TRAVELER_FETCH_DISABLE;
- } else if (motu->spec == &snd_motu_spec_8pre) {
- data &= ~(V2_CLOCK_8PRE_FETCH_DISABLE |
- V2_CLOCK_8PRE_FETCH_ENABLE);
-
- if (enable)
- data |= V2_CLOCK_8PRE_FETCH_DISABLE;
- else
- data |= V2_CLOCK_8PRE_FETCH_ENABLE;
- }
- reg = cpu_to_be32(data);
- err = snd_motu_transaction_write(motu, V2_CLOCK_STATUS_OFFSET,
- &reg, sizeof(reg));
+ if (src == SND_MOTU_CLOCK_SOURCE_SPH && rate > 48000)
+ data |= V2_CLOCK_MODEL_SPECIFIC;
}
- return err;
+ reg = cpu_to_be32(data);
+ return snd_motu_transaction_write(motu, V2_CLOCK_STATUS_OFFSET, &reg,
+ sizeof(reg));
}
static void calculate_fixed_part(struct snd_motu_packet_format *formats,
@@ -191,7 +207,7 @@ static void calculate_fixed_part(struct snd_motu_packet_format *formats,
pcm_chunks[1] += 2;
}
} else {
- if (flags & SND_MOTU_SPEC_RX_SEPARETED_MAIN) {
+ if (flags & SND_MOTU_SPEC_RX_SEPARATED_MAIN) {
pcm_chunks[0] += 2;
pcm_chunks[1] += 2;
}
diff --git a/sound/firewire/motu/motu-protocol-v3.c b/sound/firewire/motu/motu-protocol-v3.c
index 5eafa506e8a9..d1545e2b5caa 100644
--- a/sound/firewire/motu/motu-protocol-v3.c
+++ b/sound/firewire/motu/motu-protocol-v3.c
@@ -104,6 +104,8 @@ static int v3_get_clock_source(struct snd_motu *motu,
*src = SND_MOTU_CLOCK_SOURCE_INTERNAL;
} else if (val == 0x01) {
*src = SND_MOTU_CLOCK_SOURCE_WORD_ON_BNC;
+ } else if (val == 0x02) {
+ *src = SND_MOTU_CLOCK_SOURCE_SPH;
} else if (val == 0x10) {
*src = SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX;
} else if (val == 0x18 || val == 0x19) {
@@ -187,7 +189,7 @@ static void calculate_fixed_part(struct snd_motu_packet_format *formats,
pcm_chunks[1] += 2;
}
} else {
- if (flags & SND_MOTU_SPEC_RX_SEPARETED_MAIN) {
+ if (flags & SND_MOTU_SPEC_RX_SEPARATED_MAIN) {
pcm_chunks[0] += 2;
pcm_chunks[1] += 2;
}
diff --git a/sound/firewire/motu/motu-stream.c b/sound/firewire/motu/motu-stream.c
index 2bbb335e8de1..a17ddceb1bec 100644
--- a/sound/firewire/motu/motu-stream.c
+++ b/sound/firewire/motu/motu-stream.c
@@ -92,9 +92,6 @@ static void finish_session(struct snd_motu *motu)
if (err < 0)
return;
- amdtp_stream_stop(&motu->tx_stream);
- amdtp_stream_stop(&motu->rx_stream);
-
err = snd_motu_transaction_read(motu, ISOC_COMM_CONTROL_OFFSET, &reg,
sizeof(reg));
if (err < 0)
@@ -109,27 +106,6 @@ static void finish_session(struct snd_motu *motu)
sizeof(reg));
}
-static int start_isoc_ctx(struct snd_motu *motu, struct amdtp_stream *stream)
-{
- struct fw_iso_resources *resources;
- int err;
-
- if (stream == &motu->rx_stream)
- resources = &motu->rx_resources;
- else
- resources = &motu->tx_resources;
-
- err = amdtp_stream_start(stream, resources->channel,
- fw_parent_device(motu->unit)->max_speed);
- if (err < 0)
- return err;
-
- if (!amdtp_stream_wait_callback(stream, CALLBACK_TIMEOUT))
- return -ETIMEDOUT;
-
- return 0;
-}
-
int snd_motu_stream_cache_packet_formats(struct snd_motu *motu)
{
int err;
@@ -157,7 +133,9 @@ int snd_motu_stream_cache_packet_formats(struct snd_motu *motu)
return 0;
}
-int snd_motu_stream_reserve_duplex(struct snd_motu *motu, unsigned int rate)
+int snd_motu_stream_reserve_duplex(struct snd_motu *motu, unsigned int rate,
+ unsigned int frames_per_period,
+ unsigned int frames_per_buffer)
{
unsigned int curr_rate;
int err;
@@ -169,6 +147,7 @@ int snd_motu_stream_reserve_duplex(struct snd_motu *motu, unsigned int rate)
rate = curr_rate;
if (motu->substreams_counter == 0 || curr_rate != rate) {
+ amdtp_domain_stop(&motu->domain);
finish_session(motu);
fw_iso_resources_free(&motu->tx_resources);
@@ -194,6 +173,14 @@ int snd_motu_stream_reserve_duplex(struct snd_motu *motu, unsigned int rate)
fw_iso_resources_free(&motu->tx_resources);
return err;
}
+
+ err = amdtp_domain_set_events_per_period(&motu->domain,
+ frames_per_period, frames_per_buffer);
+ if (err < 0) {
+ fw_iso_resources_free(&motu->tx_resources);
+ fw_iso_resources_free(&motu->rx_resources);
+ return err;
+ }
}
return 0;
@@ -234,8 +221,10 @@ int snd_motu_stream_start_duplex(struct snd_motu *motu)
return 0;
if (amdtp_streaming_error(&motu->rx_stream) ||
- amdtp_streaming_error(&motu->tx_stream))
+ amdtp_streaming_error(&motu->tx_stream)) {
+ amdtp_domain_stop(&motu->domain);
finish_session(motu);
+ }
if (generation != fw_parent_device(motu->unit)->card->generation) {
err = fw_iso_resources_update(&motu->rx_resources);
@@ -248,6 +237,8 @@ int snd_motu_stream_start_duplex(struct snd_motu *motu)
}
if (!amdtp_stream_running(&motu->rx_stream)) {
+ int spd = fw_parent_device(motu->unit)->max_speed;
+
err = ensure_packet_formats(motu);
if (err < 0)
return err;
@@ -259,26 +250,32 @@ int snd_motu_stream_start_duplex(struct snd_motu *motu)
goto stop_streams;
}
- err = start_isoc_ctx(motu, &motu->rx_stream);
- if (err < 0) {
- dev_err(&motu->unit->device,
- "fail to start IT context: %d\n", err);
+ err = amdtp_domain_add_stream(&motu->domain, &motu->tx_stream,
+ motu->tx_resources.channel, spd);
+ if (err < 0)
goto stop_streams;
- }
- err = motu->spec->protocol->switch_fetching_mode(motu, true);
- if (err < 0) {
- dev_err(&motu->unit->device,
- "fail to enable frame fetching: %d\n", err);
+ err = amdtp_domain_add_stream(&motu->domain, &motu->rx_stream,
+ motu->rx_resources.channel, spd);
+ if (err < 0)
+ goto stop_streams;
+
+ err = amdtp_domain_start(&motu->domain, 0);
+ if (err < 0)
+ goto stop_streams;
+
+ if (!amdtp_stream_wait_callback(&motu->tx_stream,
+ CALLBACK_TIMEOUT) ||
+ !amdtp_stream_wait_callback(&motu->rx_stream,
+ CALLBACK_TIMEOUT)) {
+ err = -ETIMEDOUT;
goto stop_streams;
}
- }
- if (!amdtp_stream_running(&motu->tx_stream)) {
- err = start_isoc_ctx(motu, &motu->tx_stream);
+ err = motu->spec->protocol->switch_fetching_mode(motu, true);
if (err < 0) {
dev_err(&motu->unit->device,
- "fail to start IR context: %d", err);
+ "fail to enable frame fetching: %d\n", err);
goto stop_streams;
}
}
@@ -286,6 +283,7 @@ int snd_motu_stream_start_duplex(struct snd_motu *motu)
return 0;
stop_streams:
+ amdtp_domain_stop(&motu->domain);
finish_session(motu);
return err;
}
@@ -293,6 +291,7 @@ stop_streams:
void snd_motu_stream_stop_duplex(struct snd_motu *motu)
{
if (motu->substreams_counter == 0) {
+ amdtp_domain_stop(&motu->domain);
finish_session(motu);
fw_iso_resources_free(&motu->tx_resources);
@@ -300,74 +299,72 @@ void snd_motu_stream_stop_duplex(struct snd_motu *motu)
}
}
-static int init_stream(struct snd_motu *motu, enum amdtp_stream_direction dir)
+static int init_stream(struct snd_motu *motu, struct amdtp_stream *s)
{
- int err;
- struct amdtp_stream *stream;
struct fw_iso_resources *resources;
+ enum amdtp_stream_direction dir;
+ int err;
- if (dir == AMDTP_IN_STREAM) {
- stream = &motu->tx_stream;
+ if (s == &motu->tx_stream) {
resources = &motu->tx_resources;
+ dir = AMDTP_IN_STREAM;
} else {
- stream = &motu->rx_stream;
resources = &motu->rx_resources;
+ dir = AMDTP_OUT_STREAM;
}
err = fw_iso_resources_init(resources, motu->unit);
if (err < 0)
return err;
- err = amdtp_motu_init(stream, motu->unit, dir, motu->spec->protocol);
- if (err < 0) {
- amdtp_stream_destroy(stream);
+ err = amdtp_motu_init(s, motu->unit, dir, motu->spec->protocol);
+ if (err < 0)
fw_iso_resources_destroy(resources);
- }
return err;
}
-static void destroy_stream(struct snd_motu *motu,
- enum amdtp_stream_direction dir)
+static void destroy_stream(struct snd_motu *motu, struct amdtp_stream *s)
{
- struct amdtp_stream *stream;
- struct fw_iso_resources *resources;
+ amdtp_stream_destroy(s);
- if (dir == AMDTP_IN_STREAM) {
- stream = &motu->tx_stream;
- resources = &motu->tx_resources;
- } else {
- stream = &motu->rx_stream;
- resources = &motu->rx_resources;
- }
-
- amdtp_stream_destroy(stream);
- fw_iso_resources_destroy(resources);
+ if (s == &motu->tx_stream)
+ fw_iso_resources_destroy(&motu->tx_resources);
+ else
+ fw_iso_resources_destroy(&motu->rx_resources);
}
int snd_motu_stream_init_duplex(struct snd_motu *motu)
{
int err;
- err = init_stream(motu, AMDTP_IN_STREAM);
+ err = init_stream(motu, &motu->tx_stream);
if (err < 0)
return err;
- err = init_stream(motu, AMDTP_OUT_STREAM);
- if (err < 0)
- destroy_stream(motu, AMDTP_IN_STREAM);
+ err = init_stream(motu, &motu->rx_stream);
+ if (err < 0) {
+ destroy_stream(motu, &motu->tx_stream);
+ return err;
+ }
+
+ err = amdtp_domain_init(&motu->domain);
+ if (err < 0) {
+ destroy_stream(motu, &motu->tx_stream);
+ destroy_stream(motu, &motu->rx_stream);
+ }
return err;
}
-/*
- * This function should be called before starting streams or after stopping
- * streams.
- */
+// This function should be called before starting streams or after stopping
+// streams.
void snd_motu_stream_destroy_duplex(struct snd_motu *motu)
{
- destroy_stream(motu, AMDTP_IN_STREAM);
- destroy_stream(motu, AMDTP_OUT_STREAM);
+ amdtp_domain_destroy(&motu->domain);
+
+ destroy_stream(motu, &motu->rx_stream);
+ destroy_stream(motu, &motu->tx_stream);
motu->substreams_counter = 0;
}
diff --git a/sound/firewire/motu/motu.c b/sound/firewire/motu/motu.c
index 03cda2166ea3..f2080d720aa9 100644
--- a/sound/firewire/motu/motu.c
+++ b/sound/firewire/motu/motu.c
@@ -172,13 +172,13 @@ static void motu_bus_update(struct fw_unit *unit)
snd_motu_transaction_reregister(motu);
}
-static const struct snd_motu_spec motu_828mk2 = {
+const struct snd_motu_spec snd_motu_spec_828mk2 = {
.name = "828mk2",
.protocol = &snd_motu_protocol_v2,
.flags = SND_MOTU_SPEC_SUPPORT_CLOCK_X2 |
SND_MOTU_SPEC_TX_MICINST_CHUNK |
SND_MOTU_SPEC_TX_RETURN_CHUNK |
- SND_MOTU_SPEC_RX_SEPARETED_MAIN |
+ SND_MOTU_SPEC_RX_SEPARATED_MAIN |
SND_MOTU_SPEC_HAS_OPT_IFACE_A |
SND_MOTU_SPEC_RX_MIDI_2ND_Q |
SND_MOTU_SPEC_TX_MIDI_2ND_Q,
@@ -187,7 +187,7 @@ static const struct snd_motu_spec motu_828mk2 = {
.analog_out_ports = 8,
};
-const struct snd_motu_spec snd_motu_spec_traveler = {
+static const struct snd_motu_spec motu_traveler = {
.name = "Traveler",
.protocol = &snd_motu_protocol_v2,
.flags = SND_MOTU_SPEC_SUPPORT_CLOCK_X2 |
@@ -202,7 +202,20 @@ const struct snd_motu_spec snd_motu_spec_traveler = {
.analog_out_ports = 8,
};
-const struct snd_motu_spec snd_motu_spec_8pre = {
+static const struct snd_motu_spec motu_ultralite = {
+ .name = "UltraLite",
+ .protocol = &snd_motu_protocol_v2,
+ .flags = SND_MOTU_SPEC_SUPPORT_CLOCK_X2 |
+ SND_MOTU_SPEC_TX_MICINST_CHUNK | // padding.
+ SND_MOTU_SPEC_TX_RETURN_CHUNK |
+ SND_MOTU_SPEC_RX_MIDI_2ND_Q |
+ SND_MOTU_SPEC_TX_MIDI_2ND_Q |
+ SND_MOTU_SPEC_RX_SEPARATED_MAIN,
+ .analog_in_ports = 8,
+ .analog_out_ports = 8,
+};
+
+static const struct snd_motu_spec motu_8pre = {
.name = "8pre",
.protocol = &snd_motu_protocol_v2,
// In tx, use coax chunks for mix-return 1/2. In rx, use coax chunks for
@@ -224,7 +237,7 @@ static const struct snd_motu_spec motu_828mk3 = {
SND_MOTU_SPEC_TX_MICINST_CHUNK |
SND_MOTU_SPEC_TX_RETURN_CHUNK |
SND_MOTU_SPEC_TX_REVERB_CHUNK |
- SND_MOTU_SPEC_RX_SEPARETED_MAIN |
+ SND_MOTU_SPEC_RX_SEPARATED_MAIN |
SND_MOTU_SPEC_HAS_OPT_IFACE_A |
SND_MOTU_SPEC_HAS_OPT_IFACE_B |
SND_MOTU_SPEC_RX_MIDI_3RD_Q |
@@ -240,13 +253,24 @@ static const struct snd_motu_spec motu_audio_express = {
.flags = SND_MOTU_SPEC_SUPPORT_CLOCK_X2 |
SND_MOTU_SPEC_TX_MICINST_CHUNK |
SND_MOTU_SPEC_TX_RETURN_CHUNK |
- SND_MOTU_SPEC_RX_SEPARETED_MAIN |
+ SND_MOTU_SPEC_RX_SEPARATED_MAIN |
SND_MOTU_SPEC_RX_MIDI_2ND_Q |
SND_MOTU_SPEC_TX_MIDI_3RD_Q,
.analog_in_ports = 2,
.analog_out_ports = 4,
};
+static const struct snd_motu_spec motu_4pre = {
+ .name = "4pre",
+ .protocol = &snd_motu_protocol_v3,
+ .flags = SND_MOTU_SPEC_SUPPORT_CLOCK_X2 |
+ SND_MOTU_SPEC_TX_MICINST_CHUNK |
+ SND_MOTU_SPEC_TX_RETURN_CHUNK |
+ SND_MOTU_SPEC_RX_SEPARATED_MAIN,
+ .analog_in_ports = 2,
+ .analog_out_ports = 2,
+};
+
#define SND_MOTU_DEV_ENTRY(model, data) \
{ \
.match_flags = IEEE1394_MATCH_VENDOR_ID | \
@@ -259,12 +283,14 @@ static const struct snd_motu_spec motu_audio_express = {
}
static const struct ieee1394_device_id motu_id_table[] = {
- SND_MOTU_DEV_ENTRY(0x000003, &motu_828mk2),
- SND_MOTU_DEV_ENTRY(0x000009, &snd_motu_spec_traveler),
- SND_MOTU_DEV_ENTRY(0x00000f, &snd_motu_spec_8pre),
+ SND_MOTU_DEV_ENTRY(0x000003, &snd_motu_spec_828mk2),
+ SND_MOTU_DEV_ENTRY(0x000009, &motu_traveler),
+ SND_MOTU_DEV_ENTRY(0x00000d, &motu_ultralite),
+ SND_MOTU_DEV_ENTRY(0x00000f, &motu_8pre),
SND_MOTU_DEV_ENTRY(0x000015, &motu_828mk3), /* FireWire only. */
SND_MOTU_DEV_ENTRY(0x000035, &motu_828mk3), /* Hybrid. */
SND_MOTU_DEV_ENTRY(0x000033, &motu_audio_express),
+ SND_MOTU_DEV_ENTRY(0x000045, &motu_4pre),
{ }
};
MODULE_DEVICE_TABLE(ieee1394, motu_id_table);
diff --git a/sound/firewire/motu/motu.h b/sound/firewire/motu/motu.h
index 09d1451d7de4..6efbde405a0d 100644
--- a/sound/firewire/motu/motu.h
+++ b/sound/firewire/motu/motu.h
@@ -69,6 +69,8 @@ struct snd_motu {
int dev_lock_count;
bool dev_lock_changed;
wait_queue_head_t hwdep_wait;
+
+ struct amdtp_domain domain;
};
enum snd_motu_spec_flags {
@@ -84,7 +86,7 @@ enum snd_motu_spec_flags {
SND_MOTU_SPEC_RX_MIDI_3RD_Q = 0x0200,
SND_MOTU_SPEC_TX_MIDI_2ND_Q = 0x0400,
SND_MOTU_SPEC_TX_MIDI_3RD_Q = 0x0800,
- SND_MOTU_SPEC_RX_SEPARETED_MAIN = 0x1000,
+ SND_MOTU_SPEC_RX_SEPARATED_MAIN = 0x1000,
};
#define SND_MOTU_CLOCK_RATE_COUNT 6
@@ -102,6 +104,7 @@ enum snd_motu_clock_source {
SND_MOTU_CLOCK_SOURCE_SPDIF_ON_COAX,
SND_MOTU_CLOCK_SOURCE_AESEBU_ON_XLR,
SND_MOTU_CLOCK_SOURCE_WORD_ON_BNC,
+ SND_MOTU_CLOCK_SOURCE_SPH,
SND_MOTU_CLOCK_SOURCE_UNKNOWN,
};
@@ -127,8 +130,7 @@ struct snd_motu_spec {
extern const struct snd_motu_protocol snd_motu_protocol_v2;
extern const struct snd_motu_protocol snd_motu_protocol_v3;
-extern const struct snd_motu_spec snd_motu_spec_traveler;
-extern const struct snd_motu_spec snd_motu_spec_8pre;
+extern const struct snd_motu_spec snd_motu_spec_828mk2;
int amdtp_motu_init(struct amdtp_stream *s, struct fw_unit *unit,
enum amdtp_stream_direction dir,
@@ -152,7 +154,9 @@ void snd_motu_transaction_unregister(struct snd_motu *motu);
int snd_motu_stream_init_duplex(struct snd_motu *motu);
void snd_motu_stream_destroy_duplex(struct snd_motu *motu);
int snd_motu_stream_cache_packet_formats(struct snd_motu *motu);
-int snd_motu_stream_reserve_duplex(struct snd_motu *motu, unsigned int rate);
+int snd_motu_stream_reserve_duplex(struct snd_motu *motu, unsigned int rate,
+ unsigned int frames_per_period,
+ unsigned int frames_per_buffer);
int snd_motu_stream_start_duplex(struct snd_motu *motu);
void snd_motu_stream_stop_duplex(struct snd_motu *motu);
int snd_motu_stream_lock_try(struct snd_motu *motu);
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