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ASoC: q6dsp: q6apm-dai: Add open/free compress DAI callbacks

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Add q6apm open and free compress DAI callbacks to support compress
offload playback.
Include compress event handler callback also.

Co-developed-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: Mohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: Srinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230619101653.9750-8-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Srinivas Kandagatla 2023-06-19 11:16:49 +01:00 committed by Mark Brown
parent 2c954a3714
commit 88b60bf047
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 137 additions and 0 deletions
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136
sound/soc/qcom/qdsp6/q6apm-dai.c
View File

@ -28,6 +28,8 @@
#define CAPTURE_MIN_PERIOD_SIZE 320
#define BUFFER_BYTES_MAX (PLAYBACK_MAX_NUM_PERIODS * PLAYBACK_MAX_PERIOD_SIZE)
#define BUFFER_BYTES_MIN (PLAYBACK_MIN_NUM_PERIODS * PLAYBACK_MIN_PERIOD_SIZE)
#define COMPR_PLAYBACK_MAX_FRAGMENT_SIZE (128 * 1024)
#define COMPR_PLAYBACK_MAX_NUM_FRAGMENTS (16 * 4)
#define SID_MASK_DEFAULT 0xF
enum stream_state {
@ -55,6 +57,7 @@ struct q6apm_dai_rtd {
enum stream_state state;
struct q6apm_graph *graph;
spinlock_t lock;
bool notify_on_drain;
};
struct q6apm_dai_data {
@ -132,6 +135,69 @@ static void event_handler(uint32_t opcode, uint32_t token, uint32_t *payload, vo
}
}
static void event_handler_compr(uint32_t opcode, uint32_t token,
uint32_t *payload, void *priv)
{
struct q6apm_dai_rtd *prtd = priv;
struct snd_compr_stream *substream = prtd->cstream;
unsigned long flags;
uint32_t wflags = 0;
uint64_t avail;
uint32_t bytes_written, bytes_to_write;
bool is_last_buffer = false;
switch (opcode) {
case APM_CLIENT_EVENT_CMD_EOS_DONE:
spin_lock_irqsave(&prtd->lock, flags);
if (prtd->notify_on_drain) {
snd_compr_drain_notify(prtd->cstream);
prtd->notify_on_drain = false;
} else {
prtd->state = Q6APM_STREAM_STOPPED;
}
spin_unlock_irqrestore(&prtd->lock, flags);
break;
case APM_CLIENT_EVENT_DATA_WRITE_DONE:
spin_lock_irqsave(&prtd->lock, flags);
bytes_written = token >> APM_WRITE_TOKEN_LEN_SHIFT;
prtd->copied_total += bytes_written;
snd_compr_fragment_elapsed(substream);
if (prtd->state != Q6APM_STREAM_RUNNING) {
spin_unlock_irqrestore(&prtd->lock, flags);
break;
}
avail = prtd->bytes_received - prtd->bytes_sent;
if (avail > prtd->pcm_count) {
bytes_to_write = prtd->pcm_count;
} else {
if (substream->partial_drain || prtd->notify_on_drain)
is_last_buffer = true;
bytes_to_write = avail;
}
if (bytes_to_write) {
if (substream->partial_drain && is_last_buffer)
wflags |= APM_LAST_BUFFER_FLAG;
q6apm_write_async(prtd->graph,
bytes_to_write, 0, 0, wflags);
prtd->bytes_sent += bytes_to_write;
if (prtd->notify_on_drain && is_last_buffer)
audioreach_shared_memory_send_eos(prtd->graph);
}
spin_unlock_irqrestore(&prtd->lock, flags);
break;
default:
break;
}
}
static int q6apm_dai_prepare(struct snd_soc_component *component,
struct snd_pcm_substream *substream)
{
@ -387,6 +453,75 @@ static int q6apm_dai_pcm_new(struct snd_soc_component *component, struct snd_soc
return snd_pcm_set_fixed_buffer_all(rtd->pcm, SNDRV_DMA_TYPE_DEV, component->dev, size);
}
static int q6apm_dai_compr_open(struct snd_soc_component *component,
struct snd_compr_stream *stream)
{
struct snd_soc_pcm_runtime *rtd = stream->private_data;
struct snd_soc_dai *cpu_dai = asoc_rtd_to_cpu(rtd, 0);
struct snd_compr_runtime *runtime = stream->runtime;
struct q6apm_dai_rtd *prtd;
struct q6apm_dai_data *pdata;
struct device *dev = component->dev;
int ret, size;
int graph_id;
graph_id = cpu_dai->driver->id;
pdata = snd_soc_component_get_drvdata(component);
if (!pdata)
return -EINVAL;
prtd = kzalloc(sizeof(*prtd), GFP_KERNEL);
if (prtd == NULL)
return -ENOMEM;
prtd->cstream = stream;
prtd->graph = q6apm_graph_open(dev, (q6apm_cb)event_handler_compr, prtd, graph_id);
if (IS_ERR(prtd->graph)) {
ret = PTR_ERR(prtd->graph);
kfree(prtd);
return ret;
}
runtime->private_data = prtd;
runtime->dma_bytes = BUFFER_BYTES_MAX;
size = COMPR_PLAYBACK_MAX_FRAGMENT_SIZE * COMPR_PLAYBACK_MAX_NUM_FRAGMENTS;
ret = snd_dma_alloc_pages(SNDRV_DMA_TYPE_DEV, dev, size, &prtd->dma_buffer);
if (ret)
return ret;
if (pdata->sid < 0)
prtd->phys = prtd->dma_buffer.addr;
else
prtd->phys = prtd->dma_buffer.addr | (pdata->sid << 32);
snd_compr_set_runtime_buffer(stream, &prtd->dma_buffer);
spin_lock_init(&prtd->lock);
q6apm_enable_compress_module(dev, prtd->graph, true);
return 0;
}
static int q6apm_dai_compr_free(struct snd_soc_component *component,
struct snd_compr_stream *stream)
{
struct snd_compr_runtime *runtime = stream->runtime;
struct q6apm_dai_rtd *prtd = runtime->private_data;
q6apm_graph_stop(prtd->graph);
q6apm_unmap_memory_regions(prtd->graph, SNDRV_PCM_STREAM_PLAYBACK);
q6apm_graph_close(prtd->graph);
snd_dma_free_pages(&prtd->dma_buffer);
prtd->graph = NULL;
kfree(prtd);
runtime->private_data = NULL;
return 0;
}
static const struct snd_compress_ops q6apm_dai_compress_ops = {
.open = q6apm_dai_compr_open,
.free = q6apm_dai_compr_free,
};
static const struct snd_soc_component_driver q6apm_fe_dai_component = {
.name = DRV_NAME,
.open = q6apm_dai_open,
@ -396,6 +531,7 @@ static const struct snd_soc_component_driver q6apm_fe_dai_component = {
.hw_params = q6apm_dai_hw_params,
.pointer = q6apm_dai_pointer,
.trigger = q6apm_dai_trigger,
.compress_ops = &q6apm_dai_compress_ops,
};
static int q6apm_dai_probe(struct platform_device *pdev)

1
sound/soc/qcom/qdsp6/q6apm.h
View File

@ -45,6 +45,7 @@
#define APM_WRITE_TOKEN_LEN_SHIFT 16
#define APM_MAX_SESSIONS 8
#define APM_LAST_BUFFER_FLAG BIT(30)
struct q6apm {
struct device *dev;