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hda: chain transition states fix #6983

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Merged
lgirdwood merged 2 commits into from
Jan 30, 2023
Merged

hda: chain transition states fix #6983

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87d1a69
hda: chain transition states fix prepare
makarukp Jan 25, 2023
43640e4
hda: chain transition states fix
makarukp Jan 25, 2023
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200 changes: 103 additions & 97 deletions src/audio/chain_dma.c
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Original file line number Diff line number Diff line change
Expand Up @@ -120,99 +120,6 @@ static int chain_host_stop(struct comp_dev *dev)
return 0;
}

static int chain_task_start(struct comp_dev *dev)
{
struct comp_driver_list *drivers = comp_drivers_get();
struct chain_dma_data *cd = comp_get_drvdata(dev);
k_spinlock_key_t key;
int ret;

comp_info(dev, "chain_task_start(), host_dma_id = 0x%08x", cd->host_connector_node_id.dw);

key = k_spin_lock(&drivers->lock);
switch (cd->chain_task.state) {
case SOF_TASK_STATE_QUEUED:
k_spin_unlock(&drivers->lock, key);
return 0;
case SOF_TASK_STATE_COMPLETED:
break;
case SOF_TASK_STATE_INIT:
break;
default:
comp_err(dev, "chain_task_start(), bad state transition");
ret = -EINVAL;
goto error;
}

if (cd->stream_direction == SOF_IPC_STREAM_PLAYBACK) {
ret = chain_host_start(dev);
if (ret)
goto error;
ret = chain_link_start(dev);
if (ret) {
chain_host_stop(dev);
goto error;
}
} else {
ret = chain_link_start(dev);
if (ret)
goto error;
ret = chain_host_start(dev);
if (ret) {
chain_link_stop(dev);
goto error;
}
}

pm_policy_state_lock_get(PM_STATE_RUNTIME_IDLE, PM_ALL_SUBSTATES);

ret = schedule_task(&cd->chain_task, 0, 0);
if (ret) {
chain_host_stop(dev);
chain_link_stop(dev);
goto error;
}

cd->chain_task.state = SOF_TASK_STATE_INIT;

error:
k_spin_unlock(&drivers->lock, key);
return ret;
}

static int chain_task_pause(struct comp_dev *dev)
{
struct comp_driver_list *drivers = comp_drivers_get();
struct chain_dma_data *cd = comp_get_drvdata(dev);
k_spinlock_key_t key;
int ret, ret2;

if (cd->chain_task.state == SOF_TASK_STATE_FREE)
return 0;

key = k_spin_lock(&drivers->lock);
cd->first_data_received = false;
if (cd->stream_direction == SOF_IPC_STREAM_PLAYBACK) {
ret = chain_host_stop(dev);
ret2 = chain_link_stop(dev);
} else {
ret = chain_link_stop(dev);
ret2 = chain_host_stop(dev);
}
if (!ret)
ret = ret2;
if (ret < 0)
goto error;

cd->chain_task.state = SOF_TASK_STATE_COMPLETED;
schedule_task_free(&cd->chain_task);
pm_policy_state_lock_put(PM_STATE_RUNTIME_IDLE, PM_ALL_SUBSTATES);

error:
k_spin_unlock(&drivers->lock, key);
return ret;
}

/* Get size of data, which was consumed by link */
static size_t chain_get_transferred_data_size(const uint32_t out_read_pos, const uint32_t in_read_pos,
const size_t buff_size)
Expand Down Expand Up @@ -333,6 +240,109 @@ static enum task_state chain_task_run(void *data)
return SOF_TASK_STATE_RESCHEDULE;
}

static int chain_task_start(struct comp_dev *dev)
{
struct comp_driver_list *drivers = comp_drivers_get();
struct chain_dma_data *cd = comp_get_drvdata(dev);
k_spinlock_key_t key;
int ret;

comp_info(dev, "chain_task_start(), host_dma_id = 0x%08x", cd->host_connector_node_id.dw);

key = k_spin_lock(&drivers->lock);
switch (cd->chain_task.state) {
case SOF_TASK_STATE_QUEUED:
k_spin_unlock(&drivers->lock, key);
return 0;
case SOF_TASK_STATE_COMPLETED:
break;
case SOF_TASK_STATE_INIT:
break;
case SOF_TASK_STATE_FREE:
break;
default:
comp_err(dev, "chain_task_start(), bad state transition");
ret = -EINVAL;
goto error;
}

if (cd->stream_direction == SOF_IPC_STREAM_PLAYBACK) {
ret = chain_host_start(dev);
if (ret)
goto error;
ret = chain_link_start(dev);
if (ret) {
chain_host_stop(dev);
goto error;
}
} else {
ret = chain_link_start(dev);
if (ret)
goto error;
ret = chain_host_start(dev);
if (ret) {
chain_link_stop(dev);
goto error;
}
}

ret = schedule_task_init_ll(&cd->chain_task, SOF_UUID(chain_dma_uuid),
SOF_SCHEDULE_LL_TIMER, SOF_TASK_PRI_HIGH,
chain_task_run, cd, 0, 0);
if (ret < 0) {
comp_err(dev, "chain_task_start(), ll task initialization failed");
goto error_task;
}

ret = schedule_task(&cd->chain_task, 0, 0);
if (ret < 0) {
comp_err(dev, "chain_task_start(), ll schedule task failed");
schedule_task_free(&cd->chain_task);
goto error_task;
}

pm_policy_state_lock_get(PM_STATE_RUNTIME_IDLE, PM_ALL_SUBSTATES);
cd->chain_task.state = SOF_TASK_STATE_INIT;
k_spin_unlock(&drivers->lock, key);

return 0;

error_task:
chain_host_stop(dev);
chain_link_stop(dev);
error:
k_spin_unlock(&drivers->lock, key);
return ret;
}

static int chain_task_pause(struct comp_dev *dev)
{
struct comp_driver_list *drivers = comp_drivers_get();
struct chain_dma_data *cd = comp_get_drvdata(dev);
k_spinlock_key_t key;
int ret, ret2;

if (cd->chain_task.state == SOF_TASK_STATE_FREE)
return 0;

key = k_spin_lock(&drivers->lock);
cd->first_data_received = false;
if (cd->stream_direction == SOF_IPC_STREAM_PLAYBACK) {
ret = chain_host_stop(dev);
ret2 = chain_link_stop(dev);
} else {
ret = chain_link_stop(dev);
ret2 = chain_host_stop(dev);
}
if (!ret)
ret = ret2;

schedule_task_free(&cd->chain_task);
pm_policy_state_lock_put(PM_STATE_RUNTIME_IDLE, PM_ALL_SUBSTATES);
k_spin_unlock(&drivers->lock, key);
return ret;
}

static void chain_release(struct comp_dev *dev)
{
struct chain_dma_data *cd = comp_get_drvdata(dev);
Expand Down Expand Up @@ -461,10 +471,6 @@ static int chain_task_init(struct comp_dev *dev, uint8_t host_dma_id, uint8_t li
uint32_t dir;
int ret;

schedule_task_init_ll(&cd->chain_task, SOF_UUID(chain_dma_uuid),
SOF_SCHEDULE_LL_TIMER, SOF_TASK_PRI_HIGH,
chain_task_run, cd, 0, 0);

ret = get_connector_node_id(host_dma_id, true, &cd->host_connector_node_id);
if (ret < 0)
return ret;
Expand Down