diff options
Diffstat (limited to 'sound/soc/sof/ipc3-topology.c')
| -rw-r--r-- | sound/soc/sof/ipc3-topology.c | 197 |
1 files changed, 197 insertions, 0 deletions
diff --git a/sound/soc/sof/ipc3-topology.c b/sound/soc/sof/ipc3-topology.c index 55be97ee816b..3ac65dacc7b9 100644 --- a/sound/soc/sof/ipc3-topology.c +++ b/sound/soc/sof/ipc3-topology.c @@ -2057,6 +2057,201 @@ static int sof_ipc3_widget_setup(struct snd_sof_dev *sdev, struct snd_sof_widget return ret; } +static int sof_ipc3_set_up_all_pipelines(struct snd_sof_dev *sdev, bool verify) +{ + struct sof_ipc_fw_version *v = &sdev->fw_ready.version; + struct snd_sof_widget *swidget; + struct snd_sof_route *sroute; + int ret; + + /* restore pipeline components */ + list_for_each_entry(swidget, &sdev->widget_list, list) { + /* only set up the widgets belonging to static pipelines */ + if (!verify && swidget->dynamic_pipeline_widget) + continue; + + /* + * For older firmware, skip scheduler widgets in this loop, + * sof_widget_setup() will be called in the 'complete pipeline' loop + */ + if (v->abi_version < SOF_ABI_VER(3, 19, 0) && + swidget->id == snd_soc_dapm_scheduler) + continue; + + /* update DAI config. The IPC will be sent in sof_widget_setup() */ + if (WIDGET_IS_DAI(swidget->id)) { + struct snd_sof_dai *dai = swidget->private; + struct sof_dai_private_data *private; + struct sof_ipc_dai_config *config; + + if (!dai || !dai->private) + continue; + private = dai->private; + if (!private->dai_config) + continue; + + config = private->dai_config; + /* + * The link DMA channel would be invalidated for running + * streams but not for streams that were in the PAUSED + * state during suspend. So invalidate it here before setting + * the dai config in the DSP. + */ + if (config->type == SOF_DAI_INTEL_HDA) + config->hda.link_dma_ch = DMA_CHAN_INVALID; + } + + ret = sof_widget_setup(sdev, swidget); + if (ret < 0) + return ret; + } + + /* restore pipeline connections */ + list_for_each_entry(sroute, &sdev->route_list, list) { + /* only set up routes belonging to static pipelines */ + if (!verify && (sroute->src_widget->dynamic_pipeline_widget || + sroute->sink_widget->dynamic_pipeline_widget)) + continue; + + /* + * For virtual routes, both sink and source are not buffer. IPC3 only supports + * connections between a buffer and a component. Ignore the rest. + */ + if (sroute->src_widget->id != snd_soc_dapm_buffer && + sroute->sink_widget->id != snd_soc_dapm_buffer) + continue; + + ret = sof_route_setup(sdev, sroute->src_widget->widget, + sroute->sink_widget->widget); + if (ret < 0) { + dev_err(sdev->dev, "%s: route set up failed\n", __func__); + return ret; + } + } + + /* complete pipeline */ + list_for_each_entry(swidget, &sdev->widget_list, list) { + switch (swidget->id) { + case snd_soc_dapm_scheduler: + /* only complete static pipelines */ + if (!verify && swidget->dynamic_pipeline_widget) + continue; + + if (v->abi_version < SOF_ABI_VER(3, 19, 0)) { + ret = sof_widget_setup(sdev, swidget); + if (ret < 0) + return ret; + } + + swidget->complete = sof_ipc3_complete_pipeline(sdev, swidget); + if (swidget->complete < 0) + return swidget->complete; + break; + default: + break; + } + } + + return 0; +} + +/* + * Free the PCM, its associated widgets and set the prepared flag to false for all PCMs that + * did not get suspended(ex: paused streams) so the widgets can be set up again during resume. + */ +static int sof_tear_down_left_over_pipelines(struct snd_sof_dev *sdev) +{ + struct snd_sof_widget *swidget; + struct snd_sof_pcm *spcm; + int dir, ret; + + /* + * free all PCMs and their associated DAPM widgets if their connected DAPM widget + * list is not NULL. This should only be true for paused streams at this point. + * This is equivalent to the handling of FE DAI suspend trigger for running streams. + */ + list_for_each_entry(spcm, &sdev->pcm_list, list) { + for_each_pcm_streams(dir) { + struct snd_pcm_substream *substream = spcm->stream[dir].substream; + + if (!substream || !substream->runtime) + continue; + + if (spcm->stream[dir].list) { + ret = sof_pcm_stream_free(sdev, substream, spcm, dir, true); + if (ret < 0) + return ret; + } + } + } + + /* + * free any left over DAI widgets. This is equivalent to the handling of suspend trigger + * for the BE DAI for running streams. + */ + list_for_each_entry(swidget, &sdev->widget_list, list) + if (WIDGET_IS_DAI(swidget->id) && swidget->use_count == 1) { + ret = sof_widget_free(sdev, swidget); + if (ret < 0) + return ret; + } + + return 0; +} + +/* + * For older firmware, this function doesn't free widgets for static pipelines during suspend. + * It only resets use_count for all widgets. + */ +static int sof_ipc3_tear_down_all_pipelines(struct snd_sof_dev *sdev, bool verify) +{ + struct sof_ipc_fw_version *v = &sdev->fw_ready.version; + struct snd_sof_widget *swidget; + struct snd_sof_route *sroute; + int ret; + + /* + * This function is called during suspend and for one-time topology verification during + * first boot. In both cases, there is no need to protect swidget->use_count and + * sroute->setup because during suspend all running streams are suspended and during + * topology loading the sound card unavailable to open PCMs. + */ + list_for_each_entry(swidget, &sdev->widget_list, list) { + if (swidget->dynamic_pipeline_widget) + continue; + + /* Do not free widgets for static pipelines with FW ABI older than 3.19 */ + if (!verify && !swidget->dynamic_pipeline_widget && + v->abi_version < SOF_ABI_VER(3, 19, 0)) { + swidget->use_count = 0; + swidget->complete = 0; + continue; + } + + ret = sof_widget_free(sdev, swidget); + if (ret < 0) + return ret; + } + + /* + * Tear down all pipelines associated with PCMs that did not get suspended + * and unset the prepare flag so that they can be set up again during resume. + * Skip this step for older firmware. + */ + if (!verify && v->abi_version >= SOF_ABI_VER(3, 19, 0)) { + ret = sof_tear_down_left_over_pipelines(sdev); + if (ret < 0) { + dev_err(sdev->dev, "failed to tear down paused pipelines\n"); + return ret; + } + } + + list_for_each_entry(sroute, &sdev->route_list, list) + sroute->setup = false; + + return 0; +} + /* token list for each topology object */ static enum sof_tokens host_token_list[] = { SOF_CORE_TOKENS, @@ -2164,4 +2359,6 @@ const struct sof_ipc_tplg_ops ipc3_tplg_ops = { .widget_free = sof_ipc3_widget_free, .widget_setup = sof_ipc3_widget_setup, .dai_config = sof_ipc3_dai_config, + .set_up_all_pipelines = sof_ipc3_set_up_all_pipelines, + .tear_down_all_pipelines = sof_ipc3_tear_down_all_pipelines, }; |