This commit adds AMDTP domain support for ALSA firewire-digi00x driver.
Signed-off-by: Takashi Sakamoto o-takashi@sakamocchi.jp --- sound/firewire/digi00x/digi00x-stream.c | 55 ++++++++++++++----------- sound/firewire/digi00x/digi00x.h | 2 + 2 files changed, 33 insertions(+), 24 deletions(-)
diff --git a/sound/firewire/digi00x/digi00x-stream.c b/sound/firewire/digi00x/digi00x-stream.c index cff193f00a97..d6a92460060f 100644 --- a/sound/firewire/digi00x/digi00x-stream.c +++ b/sound/firewire/digi00x/digi00x-stream.c @@ -126,9 +126,6 @@ static void finish_session(struct snd_dg00x *dg00x) { __be32 data;
- amdtp_stream_stop(&dg00x->tx_stream); - amdtp_stream_stop(&dg00x->rx_stream); - data = cpu_to_be32(0x00000003); snd_fw_transaction(dg00x->unit, TCODE_WRITE_QUADLET_REQUEST, DG00X_ADDR_BASE + DG00X_OFFSET_STREAMING_SET, @@ -265,13 +262,23 @@ int snd_dg00x_stream_init_duplex(struct snd_dg00x *dg00x) if (err < 0) destroy_stream(dg00x, &dg00x->rx_stream);
+ err = amdtp_domain_init(&dg00x->domain); + if (err < 0) { + destroy_stream(dg00x, &dg00x->rx_stream); + destroy_stream(dg00x, &dg00x->tx_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_dg00x_stream_destroy_duplex(struct snd_dg00x *dg00x) { + amdtp_domain_destroy(&dg00x->domain); + destroy_stream(dg00x, &dg00x->rx_stream); destroy_stream(dg00x, &dg00x->tx_stream); } @@ -288,6 +295,8 @@ int snd_dg00x_stream_reserve_duplex(struct snd_dg00x *dg00x, unsigned int rate) rate = curr_rate;
if (dg00x->substreams_counter == 0 || curr_rate != rate) { + amdtp_domain_stop(&dg00x->domain); + finish_session(dg00x);
fw_iso_resources_free(&dg00x->tx_resources); @@ -320,8 +329,10 @@ int snd_dg00x_stream_start_duplex(struct snd_dg00x *dg00x) return 0;
if (amdtp_streaming_error(&dg00x->tx_stream) || - amdtp_streaming_error(&dg00x->rx_stream)) + amdtp_streaming_error(&dg00x->rx_stream)) { + amdtp_domain_stop(&dg00x->domain); finish_session(dg00x); + }
if (generation != fw_parent_device(dg00x->unit)->card->generation) { err = fw_iso_resources_update(&dg00x->tx_resources); @@ -338,36 +349,30 @@ int snd_dg00x_stream_start_duplex(struct snd_dg00x *dg00x) * which source of clock is used. */ if (!amdtp_stream_running(&dg00x->rx_stream)) { + int spd = fw_parent_device(dg00x->unit)->max_speed; + err = begin_session(dg00x); if (err < 0) goto error;
- err = amdtp_stream_start(&dg00x->rx_stream, - dg00x->rx_resources.channel, - fw_parent_device(dg00x->unit)->max_speed); + err = amdtp_domain_add_stream(&dg00x->domain, &dg00x->rx_stream, + dg00x->rx_resources.channel, spd); if (err < 0) goto error;
- if (!amdtp_stream_wait_callback(&dg00x->rx_stream, - CALLBACK_TIMEOUT)) { - err = -ETIMEDOUT; + err = amdtp_domain_add_stream(&dg00x->domain, &dg00x->tx_stream, + dg00x->tx_resources.channel, spd); + if (err < 0) goto error; - } - }
- /* - * The value of SYT field in transmitted packets is always 0x0000. Thus, - * duplex streams with timestamp synchronization cannot be built. - */ - if (!amdtp_stream_running(&dg00x->tx_stream)) { - err = amdtp_stream_start(&dg00x->tx_stream, - dg00x->tx_resources.channel, - fw_parent_device(dg00x->unit)->max_speed); + err = amdtp_domain_start(&dg00x->domain); if (err < 0) goto error;
- if (!amdtp_stream_wait_callback(&dg00x->tx_stream, - CALLBACK_TIMEOUT)) { + if (!amdtp_stream_wait_callback(&dg00x->rx_stream, + CALLBACK_TIMEOUT) || + !amdtp_stream_wait_callback(&dg00x->tx_stream, + CALLBACK_TIMEOUT)) { err = -ETIMEDOUT; goto error; } @@ -375,6 +380,7 @@ int snd_dg00x_stream_start_duplex(struct snd_dg00x *dg00x)
return 0; error: + amdtp_domain_stop(&dg00x->domain); finish_session(dg00x);
return err; @@ -383,6 +389,7 @@ int snd_dg00x_stream_start_duplex(struct snd_dg00x *dg00x) void snd_dg00x_stream_stop_duplex(struct snd_dg00x *dg00x) { if (dg00x->substreams_counter == 0) { + amdtp_domain_stop(&dg00x->domain); finish_session(dg00x);
fw_iso_resources_free(&dg00x->tx_resources); diff --git a/sound/firewire/digi00x/digi00x.h b/sound/firewire/digi00x/digi00x.h index 0994d191ccda..8041c65f2736 100644 --- a/sound/firewire/digi00x/digi00x.h +++ b/sound/firewire/digi00x/digi00x.h @@ -59,6 +59,8 @@ struct snd_dg00x {
/* Console models have additional MIDI ports for control surface. */ bool is_console; + + struct amdtp_domain domain; };
#define DG00X_ADDR_BASE 0xffffe0000000ull