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ASoC: q6dsp: q6apm-dai: Add trigger/pointer compress DAI callbacks

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Add q6apm trigger and pointer compress DAI callbacks to support
compress offload playback.

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/20230619101653.9750-10-srinivas.kandagatla@linaro.org
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Srinivas Kandagatla 2023-06-19 11:16:51 +01:00 committed by Mark Brown
parent c0c87738a1
commit c337bf33c4
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
2 changed files with 68 additions and 0 deletions
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67
sound/soc/qcom/qdsp6/q6apm-dai.c
View File

@ -568,11 +568,78 @@ static int q6apm_dai_compr_get_codec_caps(struct snd_soc_component *component,
return 0;
}
static int q6apm_dai_compr_pointer(struct snd_soc_component *component,
struct snd_compr_stream *stream,
struct snd_compr_tstamp *tstamp)
{
struct snd_compr_runtime *runtime = stream->runtime;
struct q6apm_dai_rtd *prtd = runtime->private_data;
unsigned long flags;
spin_lock_irqsave(&prtd->lock, flags);
tstamp->copied_total = prtd->copied_total;
tstamp->byte_offset = prtd->copied_total % prtd->pcm_size;
spin_unlock_irqrestore(&prtd->lock, flags);
return 0;
}
static int q6apm_dai_compr_trigger(struct snd_soc_component *component,
struct snd_compr_stream *stream, int cmd)
{
struct snd_compr_runtime *runtime = stream->runtime;
struct q6apm_dai_rtd *prtd = runtime->private_data;
int ret = 0;
switch (cmd) {
case SNDRV_PCM_TRIGGER_START:
case SNDRV_PCM_TRIGGER_RESUME:
case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
ret = q6apm_write_async(prtd->graph, prtd->pcm_count, 0, 0, NO_TIMESTAMP);
break;
case SNDRV_PCM_TRIGGER_STOP:
break;
case SNDRV_PCM_TRIGGER_SUSPEND:
case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
break;
case SND_COMPR_TRIGGER_NEXT_TRACK:
prtd->next_track = true;
break;
case SND_COMPR_TRIGGER_DRAIN:
case SND_COMPR_TRIGGER_PARTIAL_DRAIN:
prtd->notify_on_drain = true;
break;
default:
ret = -EINVAL;
break;
}
return ret;
}
static int q6apm_dai_compr_ack(struct snd_soc_component *component, struct snd_compr_stream *stream,
size_t count)
{
struct snd_compr_runtime *runtime = stream->runtime;
struct q6apm_dai_rtd *prtd = runtime->private_data;
unsigned long flags;
spin_lock_irqsave(&prtd->lock, flags);
prtd->bytes_received += count;
spin_unlock_irqrestore(&prtd->lock, flags);
return count;
}
static const struct snd_compress_ops q6apm_dai_compress_ops = {
.open = q6apm_dai_compr_open,
.free = q6apm_dai_compr_free,
.get_caps = q6apm_dai_compr_get_caps,
.get_codec_caps = q6apm_dai_compr_get_codec_caps,
.pointer = q6apm_dai_compr_pointer,
.trigger = q6apm_dai_compr_trigger,
.ack = q6apm_dai_compr_ack,
};
static const struct snd_soc_component_driver q6apm_fe_dai_component = {

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

@ -46,6 +46,7 @@
#define APM_MAX_SESSIONS 8
#define APM_LAST_BUFFER_FLAG BIT(30)
#define NO_TIMESTAMP 0xFF00
struct q6apm {
struct device *dev;