diff options
Diffstat (limited to 'sound/soc/sof/pcm.c')
| -rw-r--r-- | sound/soc/sof/pcm.c | 75 |
1 files changed, 35 insertions, 40 deletions
diff --git a/sound/soc/sof/pcm.c b/sound/soc/sof/pcm.c index f03cee94bce62..baad4c1445aa7 100644 --- a/sound/soc/sof/pcm.c +++ b/sound/soc/sof/pcm.c @@ -3,7 +3,7 @@ // This file is provided under a dual BSD/GPLv2 license. When using or // redistributing this file, you may do so under either license. // -// Copyright(c) 2018 Intel Corporation. All rights reserved. +// Copyright(c) 2018 Intel Corporation // // Author: Liam Girdwood <liam.r.girdwood@linux.intel.com> // @@ -196,9 +196,8 @@ static int sof_pcm_hw_free(struct snd_soc_component *component, { struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); - const struct sof_ipc_pcm_ops *pcm_ops = sof_ipc_get_ops(sdev, pcm); struct snd_sof_pcm *spcm; - int ret, err = 0; + int ret; /* nothing to do for BE */ if (rtd->dai_link->no_pcm) @@ -211,42 +210,18 @@ static int sof_pcm_hw_free(struct snd_soc_component *component, dev_dbg(component->dev, "pcm: free stream %d dir %d\n", spcm->pcm.pcm_id, substream->stream); - if (spcm->prepared[substream->stream]) { - /* stop DMA first if needed */ - if (pcm_ops && pcm_ops->platform_stop_during_hw_free) - snd_sof_pcm_platform_trigger(sdev, substream, SNDRV_PCM_TRIGGER_STOP); - - /* free PCM in the DSP */ - if (pcm_ops && pcm_ops->hw_free) { - ret = pcm_ops->hw_free(component, substream); - if (ret < 0) - err = ret; - } - - spcm->prepared[substream->stream] = false; - } - - /* reset DMA */ - ret = snd_sof_pcm_platform_hw_free(sdev, substream); - if (ret < 0) { - dev_err(component->dev, "error: platform hw free failed\n"); - err = ret; - } - - /* free the DAPM widget list */ - ret = sof_widget_list_free(sdev, spcm, substream->stream); - if (ret < 0) - err = ret; + ret = sof_pcm_stream_free(sdev, substream, spcm, substream->stream, true); cancel_work_sync(&spcm->stream[substream->stream].period_elapsed_work); - return err; + return ret; } static int sof_pcm_prepare(struct snd_soc_component *component, struct snd_pcm_substream *substream) { struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); + struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); struct snd_sof_pcm *spcm; int ret; @@ -258,8 +233,18 @@ static int sof_pcm_prepare(struct snd_soc_component *component, if (!spcm) return -EINVAL; - if (spcm->prepared[substream->stream]) - return 0; + if (spcm->prepared[substream->stream]) { + if (!spcm->pending_stop[substream->stream]) + return 0; + + /* + * this case should be reached in case of xruns where we absolutely + * want to free-up and reset all PCM/DMA resources + */ + ret = sof_pcm_stream_free(sdev, substream, spcm, substream->stream, true); + if (ret < 0) + return ret; + } dev_dbg(component->dev, "pcm: prepare stream %d dir %d\n", spcm->pcm.pcm_id, substream->stream); @@ -302,6 +287,8 @@ static int sof_pcm_trigger(struct snd_soc_component *component, dev_dbg(component->dev, "pcm: trigger stream %d dir %d cmd %d\n", spcm->pcm.pcm_id, substream->stream, cmd); + spcm->pending_stop[substream->stream] = false; + switch (cmd) { case SNDRV_PCM_TRIGGER_PAUSE_PUSH: ipc_first = true; @@ -325,14 +312,13 @@ static int sof_pcm_trigger(struct snd_soc_component *component, ipc_first = true; break; case SNDRV_PCM_TRIGGER_SUSPEND: - if (sdev->system_suspend_target == SOF_SUSPEND_S0IX && + /* + * If DSP D0I3 is allowed during S0iX, set the suspend_ignored flag for + * D0I3-compatible streams to keep the firmware pipeline running + */ + if (pcm_ops && pcm_ops->d0i3_supported_in_s0ix && + sdev->system_suspend_target == SOF_SUSPEND_S0IX && spcm->stream[substream->stream].d0i3_compatible) { - /* - * trap the event, not sending trigger stop to - * prevent the FW pipelines from being stopped, - * and mark the flag to ignore the upcoming DAPM - * PM events. - */ spcm->stream[substream->stream].suspend_ignored = true; return 0; } @@ -371,6 +357,15 @@ static int sof_pcm_trigger(struct snd_soc_component *component, /* invoke platform trigger to stop DMA even if pcm_ops isn't set or if it failed */ if (!pcm_ops || !pcm_ops->platform_stop_during_hw_free) snd_sof_pcm_platform_trigger(sdev, substream, cmd); + + /* + * set the pending_stop flag to indicate that pipeline stop has been delayed. + * This will be used later to stop the pipelines during prepare when recovering + * from xruns. + */ + if (pcm_ops && pcm_ops->platform_stop_during_hw_free && + cmd == SNDRV_PCM_TRIGGER_STOP) + spcm->pending_stop[substream->stream] = true; break; default: break; @@ -428,7 +423,7 @@ static int sof_pcm_open(struct snd_soc_component *component, struct snd_soc_pcm_runtime *rtd = snd_soc_substream_to_rtd(substream); struct snd_pcm_runtime *runtime = substream->runtime; struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component); - struct snd_sof_dsp_ops *ops = sof_ops(sdev); + const struct snd_sof_dsp_ops *ops = sof_ops(sdev); struct snd_sof_pcm *spcm; struct snd_soc_tplg_stream_caps *caps; int ret; |