ASoC: SOF: IPC4: Add pcm ops
Define and set the PCM ops for IPC4. Co-developed-by: Rander Wang <rander.wang@linux.intel.com> Signed-off-by: Rander Wang <rander.wang@linux.intel.com> Co-developed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Signed-off-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com> Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com> Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com> Reviewed-by: Yaochun Hung <yc.hung@mediatek.com> Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com> Link: https://lore.kernel.org/r/20220609032643.916882-12-ranjani.sridharan@linux.intel.com Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Ranjani Sridharan
Mark Brown
parent
955e84fc0b
commit
e75e5db8f8
@ -4,7 +4,7 @@ snd-sof-objs := core.o ops.o loader.o ipc.o pcm.o pm.o debug.o topology.o\
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control.o trace.o iomem-utils.o sof-audio.o stream-ipc.o\
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ipc3-topology.o ipc3-control.o ipc3.o ipc3-pcm.o ipc3-loader.o\
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ipc3-dtrace.o\
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ipc4.o ipc4-loader.o ipc4-topology.o ipc4-control.o
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ipc4.o ipc4-loader.o ipc4-topology.o ipc4-control.o ipc4-pcm.o
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ifneq ($(CONFIG_SND_SOC_SOF_CLIENT),)
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snd-sof-objs += sof-client.o
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endif
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229
sound/soc/sof/ipc4-pcm.c
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229
sound/soc/sof/ipc4-pcm.c
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@ -0,0 +1,229 @@
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// SPDX-License-Identifier: (GPL-2.0-only OR BSD-3-Clause)
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//
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// This file is provided under a dual BSD/GPLv2 license. When using or
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// redistributing this file, you may do so under either license.
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//
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// Copyright(c) 2022 Intel Corporation. All rights reserved.
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//
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#include <sound/pcm_params.h>
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#include <sound/sof/ipc4/header.h>
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#include "sof-audio.h"
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#include "sof-priv.h"
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#include "ipc4-priv.h"
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#include "ipc4-topology.h"
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static int sof_ipc4_set_pipeline_state(struct snd_sof_dev *sdev, u32 id, u32 state)
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{
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struct sof_ipc4_msg msg = {{ 0 }};
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u32 primary;
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dev_dbg(sdev->dev, "ipc4 set pipeline %d state %d", id, state);
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primary = state;
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primary |= SOF_IPC4_GLB_PIPE_STATE_ID(id);
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primary |= SOF_IPC4_MSG_TYPE_SET(SOF_IPC4_GLB_SET_PIPELINE_STATE);
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primary |= SOF_IPC4_MSG_DIR(SOF_IPC4_MSG_REQUEST);
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primary |= SOF_IPC4_MSG_TARGET(SOF_IPC4_FW_GEN_MSG);
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msg.primary = primary;
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return sof_ipc_tx_message(sdev->ipc, &msg, 0, NULL, 0);
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}
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static int sof_ipc4_trigger_pipelines(struct snd_soc_component *component,
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struct snd_pcm_substream *substream, int state)
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{
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struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
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struct snd_soc_pcm_runtime *rtd = asoc_substream_to_rtd(substream);
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struct snd_sof_widget *pipeline_widget;
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struct snd_soc_dapm_widget_list *list;
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struct snd_soc_dapm_widget *widget;
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struct sof_ipc4_pipeline *pipeline;
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struct snd_sof_widget *swidget;
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struct snd_sof_pcm *spcm;
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int ret = 0;
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int num_widgets;
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spcm = snd_sof_find_spcm_dai(component, rtd);
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if (!spcm)
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return -EINVAL;
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list = spcm->stream[substream->stream].list;
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for_each_dapm_widgets(list, num_widgets, widget) {
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swidget = widget->dobj.private;
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if (!swidget)
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continue;
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/*
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* set pipeline state for both FE and BE pipelines for RUNNING state.
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* For PAUSE/RESET, set the pipeline state only for the FE pipeline.
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*/
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switch (state) {
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case SOF_IPC4_PIPE_PAUSED:
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case SOF_IPC4_PIPE_RESET:
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if (!WIDGET_IS_AIF(swidget->id))
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continue;
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break;
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default:
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break;
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}
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/* find pipeline widget for the pipeline that this widget belongs to */
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pipeline_widget = swidget->pipe_widget;
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pipeline = (struct sof_ipc4_pipeline *)pipeline_widget->private;
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if (pipeline->state == state)
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continue;
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/* first set the pipeline to PAUSED state */
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if (pipeline->state != SOF_IPC4_PIPE_PAUSED) {
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ret = sof_ipc4_set_pipeline_state(sdev, swidget->pipeline_id,
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SOF_IPC4_PIPE_PAUSED);
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if (ret < 0) {
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dev_err(sdev->dev, "failed to pause pipeline %d\n",
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swidget->pipeline_id);
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return ret;
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}
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}
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pipeline->state = SOF_IPC4_PIPE_PAUSED;
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if (pipeline->state == state)
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continue;
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/* then set the final state */
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ret = sof_ipc4_set_pipeline_state(sdev, swidget->pipeline_id, state);
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if (ret < 0) {
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dev_err(sdev->dev, "failed to set state %d for pipeline %d\n",
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state, swidget->pipeline_id);
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break;
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}
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pipeline->state = state;
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}
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return ret;
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}
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static int sof_ipc4_pcm_trigger(struct snd_soc_component *component,
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struct snd_pcm_substream *substream, int cmd)
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{
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int state;
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/* determine the pipeline state */
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switch (cmd) {
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case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
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state = SOF_IPC4_PIPE_PAUSED;
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break;
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case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
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case SNDRV_PCM_TRIGGER_RESUME:
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case SNDRV_PCM_TRIGGER_START:
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state = SOF_IPC4_PIPE_RUNNING;
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break;
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case SNDRV_PCM_TRIGGER_SUSPEND:
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case SNDRV_PCM_TRIGGER_STOP:
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state = SOF_IPC4_PIPE_PAUSED;
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break;
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default:
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dev_err(component->dev, "%s: unhandled trigger cmd %d\n", __func__, cmd);
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return -EINVAL;
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}
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/* set the pipeline state */
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return sof_ipc4_trigger_pipelines(component, substream, state);
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}
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static int sof_ipc4_pcm_hw_free(struct snd_soc_component *component,
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struct snd_pcm_substream *substream)
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{
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return sof_ipc4_trigger_pipelines(component, substream, SOF_IPC4_PIPE_RESET);
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}
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static void ipc4_ssp_dai_config_pcm_params_match(struct snd_sof_dev *sdev, const char *link_name,
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struct snd_pcm_hw_params *params)
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{
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struct snd_sof_dai_link *slink;
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struct snd_sof_dai *dai;
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bool dai_link_found = false;
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int i;
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list_for_each_entry(slink, &sdev->dai_link_list, list) {
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if (!strcmp(slink->link->name, link_name)) {
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dai_link_found = true;
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break;
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}
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}
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if (!dai_link_found)
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return;
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for (i = 0; i < slink->num_hw_configs; i++) {
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struct snd_soc_tplg_hw_config *hw_config = &slink->hw_configs[i];
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if (params_rate(params) == le32_to_cpu(hw_config->fsync_rate)) {
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/* set current config for all DAI's with matching name */
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list_for_each_entry(dai, &sdev->dai_list, list)
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if (!strcmp(slink->link->name, dai->name))
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dai->current_config = le32_to_cpu(hw_config->id);
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break;
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}
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}
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}
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static int sof_ipc4_pcm_dai_link_fixup(struct snd_soc_pcm_runtime *rtd,
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struct snd_pcm_hw_params *params)
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{
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struct snd_soc_component *component = snd_soc_rtdcom_lookup(rtd, SOF_AUDIO_PCM_DRV_NAME);
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struct snd_sof_dai *dai = snd_sof_find_dai(component, rtd->dai_link->name);
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struct snd_mask *fmt = hw_param_mask(params, SNDRV_PCM_HW_PARAM_FORMAT);
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struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(component);
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struct sof_ipc4_copier *ipc4_copier;
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struct snd_soc_dpcm *dpcm;
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if (!dai) {
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dev_err(component->dev, "%s: No DAI found with name %s\n", __func__,
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rtd->dai_link->name);
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return -EINVAL;
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}
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ipc4_copier = dai->private;
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if (!ipc4_copier) {
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dev_err(component->dev, "%s: No private data found for DAI %s\n",
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__func__, rtd->dai_link->name);
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return -EINVAL;
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}
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/* always set BE format to 32-bits for both playback and capture */
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snd_mask_none(fmt);
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snd_mask_set_format(fmt, SNDRV_PCM_FORMAT_S32_LE);
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/*
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* Set trigger order for capture to SND_SOC_DPCM_TRIGGER_PRE. This is required
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* to ensure that the BE DAI pipeline gets stopped/suspended before the FE DAI
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* pipeline gets triggered and the pipeline widgets are freed.
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*/
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for_each_dpcm_fe(rtd, SNDRV_PCM_STREAM_CAPTURE, dpcm) {
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struct snd_soc_pcm_runtime *fe = dpcm->fe;
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fe->dai_link->trigger[SNDRV_PCM_STREAM_CAPTURE] = SND_SOC_DPCM_TRIGGER_PRE;
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}
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switch (ipc4_copier->dai_type) {
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case SOF_DAI_INTEL_SSP:
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ipc4_ssp_dai_config_pcm_params_match(sdev, (char *)rtd->dai_link->name, params);
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break;
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default:
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break;
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}
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return 0;
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}
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const struct sof_ipc_pcm_ops ipc4_pcm_ops = {
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.trigger = sof_ipc4_pcm_trigger,
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.hw_free = sof_ipc4_pcm_hw_free,
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.dai_link_fixup = sof_ipc4_pcm_dai_link_fixup,
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};
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@ -42,5 +42,6 @@ struct sof_ipc4_fw_module {
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extern const struct sof_ipc_fw_loader_ops ipc4_loader_ops;
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extern const struct sof_ipc_tplg_ops ipc4_tplg_ops;
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extern const struct sof_ipc_tplg_control_ops tplg_ipc4_control_ops;
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extern const struct sof_ipc_pcm_ops ipc4_pcm_ops;
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#endif
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@ -604,4 +604,5 @@ const struct sof_ipc_ops ipc4_ops = {
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.get_reply = sof_ipc4_get_reply,
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.fw_loader = &ipc4_loader_ops,
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.tplg = &ipc4_tplg_ops,
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.pcm = &ipc4_pcm_ops,
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};
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