Add q6apm compress DAI callbacks for setting params and metadata 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 | 107 +++++++++++++++++++++++++++++++ 1 file changed, 107 insertions(+)
diff --git a/sound/soc/qcom/qdsp6/q6apm-dai.c b/sound/soc/qcom/qdsp6/q6apm-dai.c index 9543b79ce83d..c67147e5388b 100644 --- a/sound/soc/qcom/qdsp6/q6apm-dai.c +++ b/sound/soc/qcom/qdsp6/q6apm-dai.c @@ -76,6 +76,8 @@ struct q6apm_dai_rtd { enum stream_state state; struct q6apm_graph *graph; spinlock_t lock; + uint32_t initial_samples_drop; + uint32_t trailing_samples_drop; bool notify_on_drain; };
@@ -632,6 +634,109 @@ static int q6apm_dai_compr_ack(struct snd_soc_component *component, struct snd_c return count; }
+static int q6apm_dai_compr_set_params(struct snd_soc_component *component, + struct snd_compr_stream *stream, + struct snd_compr_params *params) +{ + struct snd_compr_runtime *runtime = stream->runtime; + struct q6apm_dai_rtd *prtd = runtime->private_data; + struct q6apm_dai_data *pdata; + struct audioreach_module_config cfg; + struct snd_codec *codec = ¶ms->codec; + int dir = stream->direction; + int ret; + + pdata = snd_soc_component_get_drvdata(component); + if (!pdata) + return -EINVAL; + + prtd->periods = runtime->fragments; + prtd->pcm_count = runtime->fragment_size; + prtd->pcm_size = runtime->fragments * runtime->fragment_size; + prtd->bits_per_sample = 16; + + prtd->pos = 0; + + if (prtd->next_track != true) { + memcpy(&prtd->codec, codec, sizeof(*codec)); + + ret = q6apm_set_real_module_id(component->dev, prtd->graph, codec->id); + if (ret) + return ret; + + cfg.direction = dir; + cfg.sample_rate = codec->sample_rate; + cfg.num_channels = 2; + cfg.bit_width = prtd->bits_per_sample; + cfg.fmt = codec->id; + memcpy(&cfg.codec, codec, sizeof(*codec)); + + ret = q6apm_graph_media_format_shmem(prtd->graph, &cfg); + if (ret < 0) + return ret; + + ret = q6apm_graph_media_format_pcm(prtd->graph, &cfg); + if (ret) + return ret; + + ret = q6apm_map_memory_regions(prtd->graph, SNDRV_PCM_STREAM_PLAYBACK, + prtd->phys, (prtd->pcm_size / prtd->periods), + prtd->periods); + if (ret < 0) + return -ENOMEM; + + ret = q6apm_graph_prepare(prtd->graph); + if (ret) + return ret; + + ret = q6apm_graph_start(prtd->graph); + if (ret) + return ret; + + } else { + cfg.direction = dir; + cfg.sample_rate = codec->sample_rate; + cfg.num_channels = 2; + cfg.bit_width = prtd->bits_per_sample; + cfg.fmt = codec->id; + memcpy(&cfg.codec, codec, sizeof(*codec)); + + ret = audioreach_compr_set_param(prtd->graph, &cfg); + if (ret < 0) + return ret; + } + prtd->state = Q6APM_STREAM_RUNNING; + + return 0; +} + +static int q6apm_dai_compr_set_metadata(struct snd_soc_component *component, + struct snd_compr_stream *stream, + struct snd_compr_metadata *metadata) +{ + struct snd_compr_runtime *runtime = stream->runtime; + struct q6apm_dai_rtd *prtd = runtime->private_data; + int ret = 0; + + switch (metadata->key) { + case SNDRV_COMPRESS_ENCODER_PADDING: + prtd->trailing_samples_drop = metadata->value[0]; + q6apm_remove_trailing_silence(component->dev, prtd->graph, + prtd->trailing_samples_drop); + break; + case SNDRV_COMPRESS_ENCODER_DELAY: + prtd->initial_samples_drop = metadata->value[0]; + q6apm_remove_initial_silence(component->dev, prtd->graph, + prtd->initial_samples_drop); + break; + default: + ret = -EINVAL; + break; + } + + return ret; +} + static const struct snd_compress_ops q6apm_dai_compress_ops = { .open = q6apm_dai_compr_open, .free = q6apm_dai_compr_free, @@ -640,6 +745,8 @@ static const struct snd_compress_ops q6apm_dai_compress_ops = { .pointer = q6apm_dai_compr_pointer, .trigger = q6apm_dai_compr_trigger, .ack = q6apm_dai_compr_ack, + .set_params = q6apm_dai_compr_set_params, + .set_metadata = q6apm_dai_compr_set_metadata, };
static const struct snd_soc_component_driver q6apm_fe_dai_component = {