diff options
| -rw-r--r-- | include/uapi/sound/compress_offload.h | 7 | ||||
| -rw-r--r-- | sound/soc/msm/qdsp6v2/msm-transcode-loopback-q6-v2.c | 55 |
2 files changed, 59 insertions, 3 deletions
diff --git a/include/uapi/sound/compress_offload.h b/include/uapi/sound/compress_offload.h index 866ec3d2af69..7845fdd556fa 100644 --- a/include/uapi/sound/compress_offload.h +++ b/include/uapi/sound/compress_offload.h @@ -138,6 +138,11 @@ struct snd_compr_audio_info { #define SNDRV_COMPRESS_CLK_REC_MODE_NONE 0 #define SNDRV_COMPRESS_CLK_REC_MODE_AUTO 1 +enum sndrv_compress_latency_mode { + SNDRV_COMPRESS_LEGACY_LATENCY_MODE = 0, + SNDRV_COMPRESS_LOW_LATENCY_MODE = 1, +}; + /** * enum sndrv_compress_encoder * @SNDRV_COMPRESS_ENCODER_PADDING: no of samples appended by the encoder at the @@ -164,6 +169,7 @@ enum sndrv_compress_encoder { SNDRV_COMPRESS_START_DELAY = 9, SNDRV_COMPRESS_ENABLE_ADJUST_SESSION_CLOCK = 10, SNDRV_COMPRESS_ADJUST_SESSION_CLOCK = 11, + SNDRV_COMPRESS_LATENCY_MODE = 12, }; #define SNDRV_COMPRESS_PATH_DELAY SNDRV_COMPRESS_PATH_DELAY @@ -174,6 +180,7 @@ enum sndrv_compress_encoder { #define SNDRV_COMPRESS_ENABLE_ADJUST_SESSION_CLOCK \ SNDRV_COMPRESS_ENABLE_ADJUST_SESSION_CLOCK #define SNDRV_COMPRESS_ADJUST_SESSION_CLOCK SNDRV_COMPRESS_ADJUST_SESSION_CLOCK +#define SNDRV_COMPRESS_LATENCY_MODE SNDRV_COMPRESS_LATENCY_MODE /** * struct snd_compr_metadata - compressed stream metadata diff --git a/sound/soc/msm/qdsp6v2/msm-transcode-loopback-q6-v2.c b/sound/soc/msm/qdsp6v2/msm-transcode-loopback-q6-v2.c index cf558f2e0e1f..fdeb8a15ffee 100644 --- a/sound/soc/msm/qdsp6v2/msm-transcode-loopback-q6-v2.c +++ b/sound/soc/msm/qdsp6v2/msm-transcode-loopback-q6-v2.c @@ -28,6 +28,7 @@ #include <sound/control.h> #include <sound/q6asm-v2.h> #include <sound/q6core.h> +#include <sound/q6audio-v2.h> #include <sound/pcm_params.h> #include <sound/timer.h> #include <sound/tlv.h> @@ -55,6 +56,7 @@ struct trans_loopback_pdata { struct snd_compr_stream *cstream[MSM_FRONTEND_DAI_MAX]; int32_t ion_fd[MSM_FRONTEND_DAI_MAX]; uint32_t master_gain; + int perf_mode; }; struct loopback_stream { @@ -406,6 +408,8 @@ static int msm_transcode_loopback_set_params(struct snd_compr_stream *cstream, struct msm_transcode_loopback *trans = runtime->private_data; struct snd_soc_pcm_runtime *soc_pcm_rx; struct snd_soc_pcm_runtime *soc_pcm_tx; + struct snd_soc_pcm_runtime *rtd; + struct trans_loopback_pdata *pdata; uint32_t bit_width = 16; int ret = 0; @@ -416,6 +420,9 @@ static int msm_transcode_loopback_set_params(struct snd_compr_stream *cstream, mutex_lock(&trans->lock); + rtd = snd_pcm_substream_chip(cstream); + pdata = snd_soc_platform_get_drvdata(rtd->platform); + if (cstream->direction == SND_COMPRESS_PLAYBACK) { if (codec_param->codec.id == SND_AUDIOCODEC_PCM) { trans->sink.codec_format = @@ -497,7 +504,7 @@ static int msm_transcode_loopback_set_params(struct snd_compr_stream *cstream, pr_debug("%s: ASM client allocated, callback %pK\n", __func__, loopback_event_handler); trans->session_id = trans->audio_client->session; - trans->audio_client->perf_mode = false; + trans->audio_client->perf_mode = pdata->perf_mode; ret = q6asm_open_transcode_loopback(trans->audio_client, bit_width, trans->source.codec_format, @@ -516,7 +523,7 @@ static int msm_transcode_loopback_set_params(struct snd_compr_stream *cstream, if (trans->source.codec_format != FORMAT_LINEAR_PCM) msm_pcm_routing_reg_phy_compr_stream( soc_pcm_tx->dai_link->be_id, - trans->audio_client->perf_mode, + false, trans->session_id, SNDRV_PCM_STREAM_CAPTURE, COMPRESSED_PASSTHROUGH_GEN); @@ -529,7 +536,7 @@ static int msm_transcode_loopback_set_params(struct snd_compr_stream *cstream, /* Opening Rx ADM in LOW_LATENCY mode by default */ msm_pcm_routing_reg_phy_stream( soc_pcm_rx->dai_link->be_id, - true, + trans->audio_client->perf_mode, trans->session_id, SNDRV_PCM_STREAM_PLAYBACK); pr_debug("%s: Successfully opened ADM sessions\n", __func__); @@ -562,6 +569,46 @@ static int msm_transcode_loopback_get_caps(struct snd_compr_stream *cstream, return 0; } +static int msm_transcode_loopback_set_metadata(struct snd_compr_stream *cstream, + struct snd_compr_metadata *metadata) +{ + struct snd_soc_pcm_runtime *rtd; + struct trans_loopback_pdata *pdata; + + if (!metadata || !cstream) { + pr_err("%s: Invalid arguments\n", __func__); + return -EINVAL; + } + + rtd = snd_pcm_substream_chip(cstream); + pdata = snd_soc_platform_get_drvdata(rtd->platform); + + switch (metadata->key) { + case SNDRV_COMPRESS_LATENCY_MODE: + { + switch (metadata->value[0]) { + case SNDRV_COMPRESS_LEGACY_LATENCY_MODE: + pdata->perf_mode = LEGACY_PCM_MODE; + break; + case SNDRV_COMPRESS_LOW_LATENCY_MODE: + pdata->perf_mode = LOW_LATENCY_PCM_MODE; + break; + default: + pr_debug("%s: Unsupported latency mode %d, default to Legacy\n", + __func__, metadata->value[0]); + pdata->perf_mode = LEGACY_PCM_MODE; + break; + } + } + break; + default: + pr_debug("%s: Unsupported metadata %d\n", + __func__, metadata->key); + break; + } + return 0; +} + static int msm_transcode_stream_cmd_put(struct snd_kcontrol *kcontrol, struct snd_ctl_elem_value *ucontrol) { @@ -1278,6 +1325,7 @@ static struct snd_compr_ops msm_transcode_loopback_ops = { .trigger = msm_transcode_loopback_trigger, .set_params = msm_transcode_loopback_set_params, .get_caps = msm_transcode_loopback_get_caps, + .set_metadata = msm_transcode_loopback_set_metadata, }; @@ -1292,6 +1340,7 @@ static int msm_transcode_loopback_probe(struct snd_soc_platform *platform) if (!pdata) return -ENOMEM; + pdata->perf_mode = LOW_LATENCY_PCM_MODE; snd_soc_platform_set_drvdata(platform, pdata); return 0; } |