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ALSA: dice: support AMDTP domain 

This commit adds AMDTP domain support for ALSA dice 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 15:21:33 +09:00 committed by Takashi Iwai
parent ac5d77864c
commit e9f21129b8
2 changed files with 27 additions and 7 deletions
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32
sound/firewire/dice/dice-stream.c
View File

@ -154,14 +154,10 @@ static void stop_streams(struct snd_dice *dice, enum amdtp_stream_direction dir,
for (i = 0; i < params->count; i++) {
reg = cpu_to_be32((u32)-1);
if (dir == AMDTP_IN_STREAM) {
amdtp_stream_stop(&dice->tx_stream[i]);
snd_dice_transaction_write_tx(dice,
params->size * i + TX_ISOCHRONOUS,
&reg, sizeof(reg));
} else {
amdtp_stream_stop(&dice->rx_stream[i]);
snd_dice_transaction_write_rx(dice,
params->size * i + RX_ISOCHRONOUS,
&reg, sizeof(reg));
@ -297,10 +293,11 @@ int snd_dice_stream_reserve_duplex(struct snd_dice *dice, unsigned int rate)
if (dice->substreams_counter == 0 || curr_rate != rate) {
struct reg_params tx_params, rx_params;
amdtp_domain_stop(&dice->domain);
err = get_register_params(dice, &tx_params, &rx_params);
if (err < 0)
return err;
finish_session(dice, &tx_params, &rx_params);
release_resources(dice);
@ -377,7 +374,8 @@ static int start_streams(struct snd_dice *dice, enum amdtp_stream_direction dir,
return err;
}
err = amdtp_stream_start(stream, resources->channel, max_speed);
err = amdtp_domain_add_stream(&dice->domain, stream,
resources->channel, max_speed);
if (err < 0)
return err;
}
@ -410,6 +408,7 @@ int snd_dice_stream_start_duplex(struct snd_dice *dice)
for (i = 0; i < MAX_STREAMS; ++i) {
if (amdtp_streaming_error(&dice->tx_stream[i]) ||
amdtp_streaming_error(&dice->rx_stream[i])) {
amdtp_domain_stop(&dice->domain);
finish_session(dice, &tx_params, &rx_params);
break;
}
@ -456,6 +455,10 @@ int snd_dice_stream_start_duplex(struct snd_dice *dice)
goto error;
}
err = amdtp_domain_start(&dice->domain);
if (err < 0)
goto error;
for (i = 0; i < MAX_STREAMS; i++) {
if ((i < tx_params.count &&
!amdtp_stream_wait_callback(&dice->tx_stream[i],
@ -471,6 +474,7 @@ int snd_dice_stream_start_duplex(struct snd_dice *dice)
return 0;
error:
amdtp_domain_stop(&dice->domain);
finish_session(dice, &tx_params, &rx_params);
return err;
}
@ -485,8 +489,10 @@ void snd_dice_stream_stop_duplex(struct snd_dice *dice)
struct reg_params tx_params, rx_params;
if (dice->substreams_counter == 0) {
if (get_register_params(dice, &tx_params, &rx_params) >= 0)
if (get_register_params(dice, &tx_params, &rx_params) >= 0) {
amdtp_domain_stop(&dice->domain);
finish_session(dice, &tx_params, &rx_params);
}
release_resources(dice);
}
@ -567,6 +573,14 @@ int snd_dice_stream_init_duplex(struct snd_dice *dice)
break;
}
}
err = amdtp_domain_init(&dice->domain);
if (err < 0) {
for (i = 0; i < MAX_STREAMS; ++i) {
destroy_stream(dice, AMDTP_OUT_STREAM, i);
destroy_stream(dice, AMDTP_IN_STREAM, i);
}
}
end:
return err;
}
@ -579,6 +593,8 @@ void snd_dice_stream_destroy_duplex(struct snd_dice *dice)
destroy_stream(dice, AMDTP_IN_STREAM, i);
destroy_stream(dice, AMDTP_OUT_STREAM, i);
}
amdtp_domain_destroy(&dice->domain);
}
void snd_dice_stream_update_duplex(struct snd_dice *dice)
@ -596,6 +612,8 @@ void snd_dice_stream_update_duplex(struct snd_dice *dice)
dice->global_enabled = false;
if (get_register_params(dice, &tx_params, &rx_params) == 0) {
amdtp_domain_stop(&dice->domain);
stop_streams(dice, AMDTP_IN_STREAM, &tx_params);
stop_streams(dice, AMDTP_OUT_STREAM, &rx_params);
}

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

@ -112,6 +112,8 @@ struct snd_dice {
bool global_enabled;
struct completion clock_accepted;
unsigned int substreams_counter;
struct amdtp_domain domain;
};
enum snd_dice_addr_type {