Add q6apm trigger and pointer compress DAI callbacks to support compress offload playback.
Signed-off-by: Srinivas Kandagatla srinivas.kandagatla@linaro.org Co-developed-by: Mohammad Rafi Shaik quic_mohs@quicinc.com Signed-off-by: Mohammad Rafi Shaik quic_mohs@quicinc.com --- sound/soc/qcom/qdsp6/q6apm-dai.c | 67 ++++++++++++++++++++++++++++++++ sound/soc/qcom/qdsp6/q6apm.h | 1 + 2 files changed, 68 insertions(+)
diff --git a/sound/soc/qcom/qdsp6/q6apm-dai.c b/sound/soc/qcom/qdsp6/q6apm-dai.c index d43705bf523a..9543b79ce83d 100644 --- a/sound/soc/qcom/qdsp6/q6apm-dai.c +++ b/sound/soc/qcom/qdsp6/q6apm-dai.c @@ -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 = { diff --git a/sound/soc/qcom/qdsp6/q6apm.h b/sound/soc/qcom/qdsp6/q6apm.h index d187d88c0a8c..8ee40732ce9e 100644 --- a/sound/soc/qcom/qdsp6/q6apm.h +++ b/sound/soc/qcom/qdsp6/q6apm.h @@ -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;