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Diffstat (limited to 'sound/firewire/motu/motu-stream.c')
-rw-r--r--sound/firewire/motu/motu-stream.c131
1 files changed, 59 insertions, 72 deletions
diff --git a/sound/firewire/motu/motu-stream.c b/sound/firewire/motu/motu-stream.c
index 2bbb335e8de1..813e38e6a86e 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;
@@ -169,6 +145,7 @@ 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);
@@ -234,8 +211,10 @@ 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 +227,8 @@ 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 +240,32 @@ 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);
+ 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 +273,7 @@ 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 +281,7 @@ 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 +289,72 @@ 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;
-
- 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(s);
- 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;
}
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-28 11:03:17 +0100