Unverified Commit c337bf33 authored by Srinivas Kandagatla's avatar Srinivas Kandagatla Committed by Mark Brown
Browse files

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



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

Co-developed-by: default avatarMohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: default avatarMohammad Rafi Shaik <quic_mohs@quicinc.com>
Signed-off-by: default avatarSrinivas Kandagatla <srinivas.kandagatla@linaro.org>
Link: https://lore.kernel.org/r/20230619101653.9750-10-srinivas.kandagatla@linaro.org


Signed-off-by: default avatarMark Brown <broonie@kernel.org>
parent c0c87738

sound/soc/qcom/qdsp6/q6apm-dai.c

+67 −0
Original line number Diff line number Diff line
@@ -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 = {

sound/soc/qcom/qdsp6/q6apm.h

+1 −0
Original line number Diff line number Diff line
@@ -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;