brain-hackers_pepepper-mirror/linux-brain
1
0
Fork 0
mirror of https://github.com/brain-hackers/linux-brain.git synced 2024-06-09 23:36:23 +09:00
Code Issues Projects Releases Wiki Activity

ALSA: oxfw: support AMDTP domain

Browse Source 
This commit adds AMDTP domain support for ALSA oxfw driver.

Signed-off-by: Takashi Sakamoto <o-takashi@sakamocchi.jp>
Signed-off-by: Takashi Iwai <tiwai@suse.de>
This commit is contained in:
Takashi Sakamoto 2019-08-04 15:21:32 +09:00 committed by Takashi Iwai
parent db40eeb246
commit ac5d77864c
2 changed files with 45 additions and 29 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

72
sound/firewire/oxfw/oxfw-stream.c
View File

@ -114,19 +114,13 @@ static int start_stream(struct snd_oxfw *oxfw, struct amdtp_stream *stream)
if (err < 0)
return err;
err = amdtp_stream_start(stream, conn->resources.channel, conn->speed);
err = amdtp_domain_add_stream(&oxfw->domain, stream,
conn->resources.channel, conn->speed);
if (err < 0) {
cmp_connection_break(conn);
return err;
}
// Wait first packet.
if (!amdtp_stream_wait_callback(stream, CALLBACK_TIMEOUT)) {
amdtp_stream_stop(stream);
cmp_connection_break(conn);
return -ETIMEDOUT;
}
return 0;
}
@ -280,12 +274,12 @@ int snd_oxfw_stream_reserve_duplex(struct snd_oxfw *oxfw,
pcm_channels = formation.pcm;
}
if (formation.rate != rate || formation.pcm != pcm_channels) {
amdtp_stream_stop(&oxfw->rx_stream);
amdtp_domain_stop(&oxfw->domain);
cmp_connection_break(&oxfw->in_conn);
cmp_connection_release(&oxfw->in_conn);
if (oxfw->has_output) {
amdtp_stream_stop(&oxfw->tx_stream);
cmp_connection_break(&oxfw->out_conn);
cmp_connection_release(&oxfw->out_conn);
}
@ -325,55 +319,66 @@ int snd_oxfw_stream_start_duplex(struct snd_oxfw *oxfw)
if (amdtp_streaming_error(&oxfw->rx_stream) ||
amdtp_streaming_error(&oxfw->tx_stream)) {
amdtp_stream_stop(&oxfw->rx_stream);
cmp_connection_break(&oxfw->in_conn);
amdtp_domain_stop(&oxfw->domain);
if (oxfw->has_output) {
amdtp_stream_stop(&oxfw->tx_stream);
cmp_connection_break(&oxfw->in_conn);
if (oxfw->has_output)
cmp_connection_break(&oxfw->out_conn);
}
}
if (!amdtp_stream_running(&oxfw->rx_stream)) {
err = start_stream(oxfw, &oxfw->rx_stream);
if (err < 0) {
dev_err(&oxfw->unit->device,
"fail to start rx stream: %d\n", err);
"fail to prepare rx stream: %d\n", err);
goto error;
}
}
if (oxfw->has_output) {
if (!amdtp_stream_running(&oxfw->tx_stream)) {
if (oxfw->has_output &&
!amdtp_stream_running(&oxfw->tx_stream)) {
err = start_stream(oxfw, &oxfw->tx_stream);
if (err < 0) {
dev_err(&oxfw->unit->device,
"fail to start tx stream: %d\n", err);
"fail to prepare tx stream: %d\n", err);
goto error;
}
}
err = amdtp_domain_start(&oxfw->domain);
if (err < 0)
goto error;
// Wait first packet.
if (!amdtp_stream_wait_callback(&oxfw->rx_stream,
CALLBACK_TIMEOUT) ||
!amdtp_stream_wait_callback(&oxfw->tx_stream,
CALLBACK_TIMEOUT)) {
err = -ETIMEDOUT;
goto error;
}
}
return 0;
error:
amdtp_stream_stop(&oxfw->rx_stream);
amdtp_domain_stop(&oxfw->domain);
cmp_connection_break(&oxfw->in_conn);
if (oxfw->has_output) {
amdtp_stream_stop(&oxfw->tx_stream);
if (oxfw->has_output)
cmp_connection_break(&oxfw->out_conn);
}
return err;
}
void snd_oxfw_stream_stop_duplex(struct snd_oxfw *oxfw)
{
if (oxfw->substreams_count == 0) {
amdtp_stream_stop(&oxfw->rx_stream);
amdtp_domain_stop(&oxfw->domain);
cmp_connection_break(&oxfw->in_conn);
cmp_connection_release(&oxfw->in_conn);
if (oxfw->has_output) {
amdtp_stream_stop(&oxfw->tx_stream);
cmp_connection_break(&oxfw->out_conn);
cmp_connection_release(&oxfw->out_conn);
}
@ -409,13 +414,22 @@ int snd_oxfw_stream_init_duplex(struct snd_oxfw *oxfw)
}
}
return 0;
err = amdtp_domain_init(&oxfw->domain);
if (err < 0) {
destroy_stream(oxfw, &oxfw->rx_stream);
if (oxfw->has_output)
destroy_stream(oxfw, &oxfw->tx_stream);
}
return err;
}
// This function should be called before starting the stream or after stopping
// the streams.
void snd_oxfw_stream_destroy_duplex(struct snd_oxfw *oxfw)
{
amdtp_domain_destroy(&oxfw->domain);
destroy_stream(oxfw, &oxfw->rx_stream);
if (oxfw->has_output)
@ -424,13 +438,13 @@ void snd_oxfw_stream_destroy_duplex(struct snd_oxfw *oxfw)
void snd_oxfw_stream_update_duplex(struct snd_oxfw *oxfw)
{
amdtp_stream_stop(&oxfw->rx_stream);
amdtp_domain_stop(&oxfw->domain);
cmp_connection_break(&oxfw->in_conn);
amdtp_stream_pcm_abort(&oxfw->rx_stream);
if (oxfw->has_output) {
amdtp_stream_stop(&oxfw->tx_stream);
cmp_connection_break(&oxfw->out_conn);
amdtp_stream_pcm_abort(&oxfw->tx_stream);

2
sound/firewire/oxfw/oxfw.h
View File

@ -63,6 +63,8 @@ struct snd_oxfw {
const struct ieee1394_device_id *entry;
void *spec;
struct amdtp_domain domain;
};
/*