This commit adds AMDTP domain support for ALSA fireface driver.
Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp --- sound/firewire/fireface/ff-stream.c | 57 +++++++++++++++++------------ sound/firewire/fireface/ff.h | 2 + 2 files changed, 35 insertions(+), 24 deletions(-)
diff --git a/sound/firewire/fireface/ff-stream.c b/sound/firewire/fireface/ff-stream.c index e4710204f481..e8e6f9fd6433 100644 --- a/sound/firewire/fireface/ff-stream.c +++ b/sound/firewire/fireface/ff-stream.c @@ -32,9 +32,6 @@ int snd_ff_stream_get_multiplier_mode(enum cip_sfc sfc,
static inline void finish_session(struct snd_ff *ff) { - amdtp_stream_stop(&ff->tx_stream); - amdtp_stream_stop(&ff->rx_stream); - ff->spec->protocol->finish_session(ff); ff->spec->protocol->switch_fetching_mode(ff, false); } @@ -83,8 +80,16 @@ int snd_ff_stream_init_duplex(struct snd_ff *ff) return err;
err = init_stream(ff, &ff->tx_stream); - if (err < 0) + if (err < 0) { destroy_stream(ff, &ff->rx_stream); + return err; + } + + err = amdtp_domain_init(&ff->domain); + if (err < 0) { + destroy_stream(ff, &ff->rx_stream); + destroy_stream(ff, &ff->tx_stream); + }
return err; } @@ -95,6 +100,8 @@ int snd_ff_stream_init_duplex(struct snd_ff *ff) */ void snd_ff_stream_destroy_duplex(struct snd_ff *ff) { + amdtp_domain_destroy(&ff->domain); + destroy_stream(ff, &ff->rx_stream); destroy_stream(ff, &ff->tx_stream); } @@ -113,6 +120,7 @@ int snd_ff_stream_reserve_duplex(struct snd_ff *ff, unsigned int rate) enum snd_ff_stream_mode mode; int i;
+ amdtp_domain_stop(&ff->domain); finish_session(ff);
fw_iso_resources_free(&ff->tx_resources); @@ -155,51 +163,52 @@ int snd_ff_stream_start_duplex(struct snd_ff *ff, unsigned int rate) return 0;
if (amdtp_streaming_error(&ff->tx_stream) || - amdtp_streaming_error(&ff->rx_stream)) + amdtp_streaming_error(&ff->rx_stream)) { + amdtp_domain_stop(&ff->domain); finish_session(ff); + }
/* * Regardless of current source of clock signal, drivers transfer some * packets. Then, the device transfers packets. */ if (!amdtp_stream_running(&ff->rx_stream)) { + int spd = fw_parent_device(ff->unit)->max_speed; + err = ff->spec->protocol->begin_session(ff, rate); if (err < 0) goto error;
- err = amdtp_stream_start(&ff->rx_stream, - ff->rx_resources.channel, - fw_parent_device(ff->unit)->max_speed); + err = amdtp_domain_add_stream(&ff->domain, &ff->rx_stream, + ff->rx_resources.channel, spd); if (err < 0) goto error;
- if (!amdtp_stream_wait_callback(&ff->rx_stream, - CALLBACK_TIMEOUT_MS)) { - err = -ETIMEDOUT; - goto error; - } - - err = ff->spec->protocol->switch_fetching_mode(ff, true); + err = amdtp_domain_add_stream(&ff->domain, &ff->tx_stream, + ff->tx_resources.channel, spd); if (err < 0) goto error; - }
- if (!amdtp_stream_running(&ff->tx_stream)) { - err = amdtp_stream_start(&ff->tx_stream, - ff->tx_resources.channel, - fw_parent_device(ff->unit)->max_speed); + err = amdtp_domain_start(&ff->domain); if (err < 0) goto error;
- if (!amdtp_stream_wait_callback(&ff->tx_stream, + if (!amdtp_stream_wait_callback(&ff->rx_stream, + CALLBACK_TIMEOUT_MS) || + !amdtp_stream_wait_callback(&ff->tx_stream, CALLBACK_TIMEOUT_MS)) { err = -ETIMEDOUT; goto error; } + + err = ff->spec->protocol->switch_fetching_mode(ff, true); + if (err < 0) + goto error; }
return 0; error: + amdtp_domain_stop(&ff->domain); finish_session(ff);
return err; @@ -208,6 +217,7 @@ int snd_ff_stream_start_duplex(struct snd_ff *ff, unsigned int rate) void snd_ff_stream_stop_duplex(struct snd_ff *ff) { if (ff->substreams_counter == 0) { + amdtp_domain_stop(&ff->domain); finish_session(ff);
fw_iso_resources_free(&ff->tx_resources); @@ -217,12 +227,11 @@ void snd_ff_stream_stop_duplex(struct snd_ff *ff)
void snd_ff_stream_update_duplex(struct snd_ff *ff) { + amdtp_domain_stop(&ff->domain); + // The device discontinue to transfer packets. amdtp_stream_pcm_abort(&ff->tx_stream); - amdtp_stream_stop(&ff->tx_stream); - amdtp_stream_pcm_abort(&ff->rx_stream); - amdtp_stream_stop(&ff->rx_stream); }
void snd_ff_stream_lock_changed(struct snd_ff *ff) diff --git a/sound/firewire/fireface/ff.h b/sound/firewire/fireface/ff.h index 36dd0c75b9f7..b4c22ca6079e 100644 --- a/sound/firewire/fireface/ff.h +++ b/sound/firewire/fireface/ff.h @@ -91,6 +91,8 @@ struct snd_ff { int dev_lock_count; bool dev_lock_changed; wait_queue_head_t hwdep_wait; + + struct amdtp_domain domain; };
enum snd_ff_clock_src {