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- // SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
- //
- // 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) 2019 Intel Corporation. All rights reserved.
- //
- // Author: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
- //
- #include "sof-audio.h"
- #include "ops.h"
- /*
- * helper to determine if there are only D0i3 compatible
- * streams active
- */
- bool snd_sof_dsp_only_d0i3_compatible_stream_active(struct snd_sof_dev *sdev)
- {
- struct snd_pcm_substream *substream;
- struct snd_sof_pcm *spcm;
- bool d0i3_compatible_active = false;
- int dir;
- list_for_each_entry(spcm, &sdev->pcm_list, list) {
- for_each_pcm_streams(dir) {
- substream = spcm->stream[dir].substream;
- if (!substream || !substream->runtime)
- continue;
- /*
- * substream->runtime being not NULL indicates
- * that the stream is open. No need to check the
- * stream state.
- */
- if (!spcm->stream[dir].d0i3_compatible)
- return false;
- d0i3_compatible_active = true;
- }
- }
- return d0i3_compatible_active;
- }
- EXPORT_SYMBOL(snd_sof_dsp_only_d0i3_compatible_stream_active);
- bool snd_sof_stream_suspend_ignored(struct snd_sof_dev *sdev)
- {
- struct snd_sof_pcm *spcm;
- list_for_each_entry(spcm, &sdev->pcm_list, list) {
- if (spcm->stream[SNDRV_PCM_STREAM_PLAYBACK].suspend_ignored ||
- spcm->stream[SNDRV_PCM_STREAM_CAPTURE].suspend_ignored)
- return true;
- }
- return false;
- }
- int sof_set_hw_params_upon_resume(struct device *dev)
- {
- struct snd_sof_dev *sdev = dev_get_drvdata(dev);
- struct snd_pcm_substream *substream;
- struct snd_sof_pcm *spcm;
- snd_pcm_state_t state;
- int dir;
- /*
- * SOF requires hw_params to be set-up internally upon resume.
- * So, set the flag to indicate this for those streams that
- * have been suspended.
- */
- list_for_each_entry(spcm, &sdev->pcm_list, list) {
- for_each_pcm_streams(dir) {
- /*
- * do not reset hw_params upon resume for streams that
- * were kept running during suspend
- */
- if (spcm->stream[dir].suspend_ignored)
- continue;
- substream = spcm->stream[dir].substream;
- if (!substream || !substream->runtime)
- continue;
- state = substream->runtime->status->state;
- if (state == SNDRV_PCM_STATE_SUSPENDED)
- spcm->prepared[dir] = false;
- }
- }
- /* set internal flag for BE */
- return snd_sof_dsp_hw_params_upon_resume(sdev);
- }
- static int sof_restore_kcontrols(struct device *dev)
- {
- struct snd_sof_dev *sdev = dev_get_drvdata(dev);
- struct snd_sof_control *scontrol;
- int ipc_cmd, ctrl_type;
- int ret = 0;
- /* restore kcontrol values */
- list_for_each_entry(scontrol, &sdev->kcontrol_list, list) {
- /* reset readback offset for scontrol after resuming */
- scontrol->readback_offset = 0;
- /* notify DSP of kcontrol values */
- switch (scontrol->cmd) {
- case SOF_CTRL_CMD_VOLUME:
- case SOF_CTRL_CMD_ENUM:
- case SOF_CTRL_CMD_SWITCH:
- ipc_cmd = SOF_IPC_COMP_SET_VALUE;
- ctrl_type = SOF_CTRL_TYPE_VALUE_CHAN_SET;
- ret = snd_sof_ipc_set_get_comp_data(scontrol,
- ipc_cmd, ctrl_type,
- scontrol->cmd,
- true);
- break;
- case SOF_CTRL_CMD_BINARY:
- ipc_cmd = SOF_IPC_COMP_SET_DATA;
- ctrl_type = SOF_CTRL_TYPE_DATA_SET;
- ret = snd_sof_ipc_set_get_comp_data(scontrol,
- ipc_cmd, ctrl_type,
- scontrol->cmd,
- true);
- break;
- default:
- break;
- }
- if (ret < 0) {
- dev_err(dev,
- "error: failed kcontrol value set for widget: %d\n",
- scontrol->comp_id);
- return ret;
- }
- }
- return 0;
- }
- const struct sof_ipc_pipe_new *snd_sof_pipeline_find(struct snd_sof_dev *sdev,
- int pipeline_id)
- {
- const struct snd_sof_widget *swidget;
- list_for_each_entry(swidget, &sdev->widget_list, list)
- if (swidget->id == snd_soc_dapm_scheduler) {
- const struct sof_ipc_pipe_new *pipeline =
- swidget->private;
- if (pipeline->pipeline_id == pipeline_id)
- return pipeline;
- }
- return NULL;
- }
- int sof_restore_pipelines(struct device *dev)
- {
- struct snd_sof_dev *sdev = dev_get_drvdata(dev);
- struct snd_sof_widget *swidget;
- struct snd_sof_route *sroute;
- struct sof_ipc_pipe_new *pipeline;
- struct snd_sof_dai *dai;
- struct sof_ipc_cmd_hdr *hdr;
- struct sof_ipc_comp *comp;
- size_t ipc_size;
- int ret;
- /* restore pipeline components */
- list_for_each_entry_reverse(swidget, &sdev->widget_list, list) {
- struct sof_ipc_comp_reply r;
- /* skip if there is no private data */
- if (!swidget->private)
- continue;
- ret = sof_pipeline_core_enable(sdev, swidget);
- if (ret < 0) {
- dev_err(dev,
- "error: failed to enable target core: %d\n",
- ret);
- return ret;
- }
- switch (swidget->id) {
- case snd_soc_dapm_dai_in:
- case snd_soc_dapm_dai_out:
- ipc_size = sizeof(struct sof_ipc_comp_dai) +
- sizeof(struct sof_ipc_comp_ext);
- comp = kzalloc(ipc_size, GFP_KERNEL);
- if (!comp)
- return -ENOMEM;
- dai = swidget->private;
- memcpy(comp, &dai->comp_dai,
- sizeof(struct sof_ipc_comp_dai));
- /* append extended data to the end of the component */
- memcpy((u8 *)comp + sizeof(struct sof_ipc_comp_dai),
- &swidget->comp_ext, sizeof(swidget->comp_ext));
- ret = sof_ipc_tx_message(sdev->ipc, comp->hdr.cmd,
- comp, ipc_size,
- &r, sizeof(r));
- kfree(comp);
- break;
- case snd_soc_dapm_scheduler:
- /*
- * During suspend, all DSP cores are powered off.
- * Therefore upon resume, create the pipeline comp
- * and power up the core that the pipeline is
- * scheduled on.
- */
- pipeline = swidget->private;
- ret = sof_load_pipeline_ipc(dev, pipeline, &r);
- break;
- default:
- hdr = swidget->private;
- ret = sof_ipc_tx_message(sdev->ipc, hdr->cmd,
- swidget->private, hdr->size,
- &r, sizeof(r));
- break;
- }
- if (ret < 0) {
- dev_err(dev,
- "error: failed to load widget type %d with ID: %d\n",
- swidget->widget->id, swidget->comp_id);
- return ret;
- }
- }
- /* restore pipeline connections */
- list_for_each_entry_reverse(sroute, &sdev->route_list, list) {
- struct sof_ipc_pipe_comp_connect *connect;
- struct sof_ipc_reply reply;
- /* skip if there's no private data */
- if (!sroute->private)
- continue;
- connect = sroute->private;
- /* send ipc */
- ret = sof_ipc_tx_message(sdev->ipc,
- connect->hdr.cmd,
- connect, sizeof(*connect),
- &reply, sizeof(reply));
- if (ret < 0) {
- dev_err(dev,
- "error: failed to load route sink %s control %s source %s\n",
- sroute->route->sink,
- sroute->route->control ? sroute->route->control
- : "none",
- sroute->route->source);
- return ret;
- }
- }
- /* restore dai links */
- list_for_each_entry_reverse(dai, &sdev->dai_list, list) {
- struct sof_ipc_reply reply;
- struct sof_ipc_dai_config *config = dai->dai_config;
- if (!config) {
- dev_err(dev, "error: no config for DAI %s\n",
- dai->name);
- continue;
- }
- /*
- * 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_ipc_tx_message(sdev->ipc,
- config->hdr.cmd, config,
- config->hdr.size,
- &reply, sizeof(reply));
- if (ret < 0) {
- dev_err(dev,
- "error: failed to set dai config for %s\n",
- dai->name);
- return ret;
- }
- }
- /* complete pipeline */
- list_for_each_entry(swidget, &sdev->widget_list, list) {
- switch (swidget->id) {
- case snd_soc_dapm_scheduler:
- swidget->complete =
- snd_sof_complete_pipeline(dev, swidget);
- break;
- default:
- break;
- }
- }
- /* restore pipeline kcontrols */
- ret = sof_restore_kcontrols(dev);
- if (ret < 0)
- dev_err(dev,
- "error: restoring kcontrols after resume\n");
- return ret;
- }
- /*
- * Generic object lookup APIs.
- */
- struct snd_sof_pcm *snd_sof_find_spcm_name(struct snd_soc_component *scomp,
- const char *name)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- struct snd_sof_pcm *spcm;
- list_for_each_entry(spcm, &sdev->pcm_list, list) {
- /* match with PCM dai name */
- if (strcmp(spcm->pcm.dai_name, name) == 0)
- return spcm;
- /* match with playback caps name if set */
- if (*spcm->pcm.caps[0].name &&
- !strcmp(spcm->pcm.caps[0].name, name))
- return spcm;
- /* match with capture caps name if set */
- if (*spcm->pcm.caps[1].name &&
- !strcmp(spcm->pcm.caps[1].name, name))
- return spcm;
- }
- return NULL;
- }
- struct snd_sof_pcm *snd_sof_find_spcm_comp(struct snd_soc_component *scomp,
- unsigned int comp_id,
- int *direction)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- struct snd_sof_pcm *spcm;
- int dir;
- list_for_each_entry(spcm, &sdev->pcm_list, list) {
- for_each_pcm_streams(dir) {
- if (spcm->stream[dir].comp_id == comp_id) {
- *direction = dir;
- return spcm;
- }
- }
- }
- return NULL;
- }
- struct snd_sof_pcm *snd_sof_find_spcm_pcm_id(struct snd_soc_component *scomp,
- unsigned int pcm_id)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- struct snd_sof_pcm *spcm;
- list_for_each_entry(spcm, &sdev->pcm_list, list) {
- if (le32_to_cpu(spcm->pcm.pcm_id) == pcm_id)
- return spcm;
- }
- return NULL;
- }
- struct snd_sof_widget *snd_sof_find_swidget(struct snd_soc_component *scomp,
- const char *name)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- struct snd_sof_widget *swidget;
- list_for_each_entry(swidget, &sdev->widget_list, list) {
- if (strcmp(name, swidget->widget->name) == 0)
- return swidget;
- }
- return NULL;
- }
- /* find widget by stream name and direction */
- struct snd_sof_widget *
- snd_sof_find_swidget_sname(struct snd_soc_component *scomp,
- const char *pcm_name, int dir)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- struct snd_sof_widget *swidget;
- enum snd_soc_dapm_type type;
- if (dir == SNDRV_PCM_STREAM_PLAYBACK)
- type = snd_soc_dapm_aif_in;
- else
- type = snd_soc_dapm_aif_out;
- list_for_each_entry(swidget, &sdev->widget_list, list) {
- if (!strcmp(pcm_name, swidget->widget->sname) &&
- swidget->id == type)
- return swidget;
- }
- return NULL;
- }
- struct snd_sof_dai *snd_sof_find_dai(struct snd_soc_component *scomp,
- const char *name)
- {
- struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(scomp);
- struct snd_sof_dai *dai;
- list_for_each_entry(dai, &sdev->dai_list, list) {
- if (dai->name && (strcmp(name, dai->name) == 0))
- return dai;
- }
- return NULL;
- }
- /*
- * SOF Driver enumeration.
- */
- int sof_machine_check(struct snd_sof_dev *sdev)
- {
- struct snd_sof_pdata *sof_pdata = sdev->pdata;
- const struct sof_dev_desc *desc = sof_pdata->desc;
- struct snd_soc_acpi_mach *mach;
- int ret;
- /* force nocodec mode */
- #if IS_ENABLED(CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE)
- dev_warn(sdev->dev, "Force to use nocodec mode\n");
- goto nocodec;
- #endif
- /* find machine */
- snd_sof_machine_select(sdev);
- if (sof_pdata->machine) {
- snd_sof_set_mach_params(sof_pdata->machine, sdev->dev);
- return 0;
- }
- #if !IS_ENABLED(CONFIG_SND_SOC_SOF_NOCODEC)
- dev_err(sdev->dev, "error: no matching ASoC machine driver found - aborting probe\n");
- return -ENODEV;
- #endif
- #if IS_ENABLED(CONFIG_SND_SOC_SOF_FORCE_NOCODEC_MODE)
- nocodec:
- #endif
- /* select nocodec mode */
- dev_warn(sdev->dev, "Using nocodec machine driver\n");
- mach = devm_kzalloc(sdev->dev, sizeof(*mach), GFP_KERNEL);
- if (!mach)
- return -ENOMEM;
- mach->drv_name = "sof-nocodec";
- sof_pdata->tplg_filename = desc->nocodec_tplg_filename;
- ret = sof_nocodec_setup(sdev->dev, desc->ops);
- if (ret < 0)
- return ret;
- sof_pdata->machine = mach;
- snd_sof_set_mach_params(sof_pdata->machine, sdev->dev);
- return 0;
- }
- EXPORT_SYMBOL(sof_machine_check);
- int sof_machine_register(struct snd_sof_dev *sdev, void *pdata)
- {
- struct snd_sof_pdata *plat_data = pdata;
- const char *drv_name;
- const void *mach;
- int size;
- drv_name = plat_data->machine->drv_name;
- mach = plat_data->machine;
- size = sizeof(*plat_data->machine);
- /* register machine driver, pass machine info as pdata */
- plat_data->pdev_mach =
- platform_device_register_data(sdev->dev, drv_name,
- PLATFORM_DEVID_NONE, mach, size);
- if (IS_ERR(plat_data->pdev_mach))
- return PTR_ERR(plat_data->pdev_mach);
- dev_dbg(sdev->dev, "created machine %s\n",
- dev_name(&plat_data->pdev_mach->dev));
- return 0;
- }
- EXPORT_SYMBOL(sof_machine_register);
- void sof_machine_unregister(struct snd_sof_dev *sdev, void *pdata)
- {
- struct snd_sof_pdata *plat_data = pdata;
- if (!IS_ERR_OR_NULL(plat_data->pdev_mach))
- platform_device_unregister(plat_data->pdev_mach);
- }
- EXPORT_SYMBOL(sof_machine_unregister);
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