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[16/23] ASoC: SOF: IPC4: set the BE DAI ops

Message ID 20220609032643.916882-17-ranjani.sridharan@linux.intel.com
State Accepted
Commit 4c30004a7c6920c66a08c1aa16481c28202eefd0
Headers show
Series ASoC: SOF: IPC4: Add topology, control and PCM ops | expand

Commit Message

Ranjani Sridharan June 9, 2022, 3:26 a.m. UTC 
Add BE DAI drv ops for IPC4 for DMIC, SSP and HDA type DAI's.

Signed-off-by: Ranjani Sridharan <ranjani.sridharan@linux.intel.com>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@linux.intel.com>
Reviewed-by: Bard Liao <yung-chuan.liao@linux.intel.com>
---
 sound/soc/sof/intel/hda-dai.c | 173 +++++++++++++++++++++++++++++++++-
 1 file changed, 170 insertions(+), 3 deletions(-)
diff mbox series

Patch

diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c
index 9823230d2ef4..5423667002e5 100644
--- a/sound/soc/sof/intel/hda-dai.c
+++ b/sound/soc/sof/intel/hda-dai.c
@@ -10,6 +10,10 @@ 
 
 #include <sound/pcm_params.h>
 #include <sound/hdaudio_ext.h>
+#include <sound/sof/ipc4/header.h>
+#include <uapi/sound/sof/header.h>
+#include "../ipc4-priv.h"
+#include "../ipc4-topology.h"
 #include "../sof-priv.h"
 #include "../sof-audio.h"
 #include "hda.h"
@@ -369,8 +373,7 @@  static int hda_dai_config_pause_push_ipc(struct snd_soc_dapm_widget *w)
 	return ret;
 }
 
-static int ipc3_hda_dai_prepare(struct snd_pcm_substream *substream,
-				struct snd_soc_dai *dai)
+static int hda_dai_prepare(struct snd_pcm_substream *substream, struct snd_soc_dai *dai)
 {
 	struct hdac_ext_stream *hext_stream =
 				snd_soc_dai_get_dma_data(dai, substream);
@@ -438,6 +441,91 @@  static int ipc3_hda_dai_trigger(struct snd_pcm_substream *substream,
 	return 0;
 }
 
+/*
+ * In contrast to IPC3, the dai trigger in IPC4 mixes pipeline state changes
+ * (over IPC channel) and DMA state change (direct host register changes).
+ */
+static int ipc4_hda_dai_trigger(struct snd_pcm_substream *substream,
+				int cmd, struct snd_soc_dai *dai)
+{
+	struct hdac_ext_stream *hext_stream = snd_soc_dai_get_dma_data(dai, substream);
+	struct snd_sof_dev *sdev = snd_soc_component_get_drvdata(dai->component);
+	struct snd_soc_pcm_runtime *rtd;
+	struct snd_sof_widget *swidget;
+	struct snd_soc_dapm_widget *w;
+	struct snd_soc_dai *codec_dai;
+	struct hdac_stream *hstream;
+	struct snd_soc_dai *cpu_dai;
+	int ret;
+
+	dev_dbg(dai->dev, "%s: cmd=%d dai %s direction %d\n", __func__, cmd,
+		dai->name, substream->stream);
+
+	hstream = substream->runtime->private_data;
+	rtd = asoc_substream_to_rtd(substream);
+	cpu_dai = asoc_rtd_to_cpu(rtd, 0);
+	codec_dai = asoc_rtd_to_codec(rtd, 0);
+
+	w = snd_soc_dai_get_widget(dai, substream->stream);
+	swidget = w->dobj.private;
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_START:
+	case SNDRV_PCM_TRIGGER_PAUSE_RELEASE:
+		snd_hdac_ext_link_stream_start(hext_stream);
+		break;
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+	case SNDRV_PCM_TRIGGER_STOP:
+	{
+		struct snd_sof_widget *pipe_widget = swidget->pipe_widget;
+		struct sof_ipc4_pipeline *pipeline = pipe_widget->private;
+
+		ret = sof_ipc4_set_pipeline_state(sdev, swidget->pipeline_id,
+						  SOF_IPC4_PIPE_PAUSED);
+		if (ret < 0)
+			return ret;
+
+		pipeline->state = SOF_IPC4_PIPE_PAUSED;
+
+		snd_hdac_ext_link_stream_clear(hext_stream);
+
+		ret = sof_ipc4_set_pipeline_state(sdev, swidget->pipeline_id,
+						  SOF_IPC4_PIPE_RESET);
+		if (ret < 0)
+			return ret;
+
+		pipeline->state = SOF_IPC4_PIPE_RESET;
+
+		ret = hda_link_dma_cleanup(substream, hstream, cpu_dai, codec_dai, false);
+		if (ret < 0) {
+			dev_err(sdev->dev, "%s: failed to clean up link DMA\n", __func__);
+			return ret;
+		}
+		break;
+	}
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+	{
+		struct snd_sof_widget *pipe_widget = swidget->pipe_widget;
+		struct sof_ipc4_pipeline *pipeline = pipe_widget->private;
+
+		ret = sof_ipc4_set_pipeline_state(sdev, swidget->pipeline_id,
+						  SOF_IPC4_PIPE_PAUSED);
+		if (ret < 0)
+			return ret;
+
+		pipeline->state = SOF_IPC4_PIPE_PAUSED;
+
+		snd_hdac_ext_link_stream_clear(hext_stream);
+		break;
+	}
+	default:
+		dev_err(sdev->dev, "%s: unknown trigger command %d\n", __func__, cmd);
+		return -EINVAL;
+	}
+
+	return 0;
+}
+
 static int hda_dai_hw_free(struct snd_pcm_substream *substream,
 			   struct snd_soc_dai *dai)
 {
@@ -454,7 +542,7 @@  static const struct snd_soc_dai_ops ipc3_hda_dai_ops = {
 	.hw_params = hda_dai_hw_params,
 	.hw_free = hda_dai_hw_free,
 	.trigger = ipc3_hda_dai_trigger,
-	.prepare = ipc3_hda_dai_prepare,
+	.prepare = hda_dai_prepare,
 };
 
 static int hda_dai_suspend(struct hdac_bus *bus)
@@ -497,6 +585,14 @@  static int hda_dai_suspend(struct hdac_bus *bus)
 
 	return 0;
 }
+
+static const struct snd_soc_dai_ops ipc4_hda_dai_ops = {
+	.hw_params = hda_dai_hw_params,
+	.hw_free = hda_dai_hw_free,
+	.trigger = ipc4_hda_dai_trigger,
+	.prepare = hda_dai_prepare,
+};
+
 #endif
 
 /* only one flag used so far to harden hw_params/hw_free/trigger/prepare */
@@ -608,6 +704,59 @@  static const struct snd_soc_dai_ops ipc3_ssp_dai_ops = {
 	.shutdown = ssp_dai_shutdown,
 };
 
+static int ipc4_be_dai_trigger(struct snd_pcm_substream *substream,
+			       int cmd, struct snd_soc_dai *dai)
+{
+	struct snd_sof_widget *pipe_widget;
+	struct sof_ipc4_pipeline *pipeline;
+	struct snd_sof_widget *swidget;
+	struct snd_soc_dapm_widget *w;
+	struct snd_sof_dev *sdev;
+	int ret;
+
+	w = snd_soc_dai_get_widget(dai, substream->stream);
+	swidget = w->dobj.private;
+	pipe_widget = swidget->pipe_widget;
+	pipeline = pipe_widget->private;
+	sdev = snd_soc_component_get_drvdata(swidget->scomp);
+
+	switch (cmd) {
+	case SNDRV_PCM_TRIGGER_SUSPEND:
+	case SNDRV_PCM_TRIGGER_STOP:
+		ret = sof_ipc4_set_pipeline_state(sdev, swidget->pipeline_id,
+						  SOF_IPC4_PIPE_PAUSED);
+		if (ret < 0)
+			return ret;
+		pipeline->state = SOF_IPC4_PIPE_PAUSED;
+
+		ret = sof_ipc4_set_pipeline_state(sdev, swidget->pipeline_id,
+						  SOF_IPC4_PIPE_RESET);
+		if (ret < 0)
+			return ret;
+		pipeline->state = SOF_IPC4_PIPE_RESET;
+		break;
+	case SNDRV_PCM_TRIGGER_PAUSE_PUSH:
+		ret = sof_ipc4_set_pipeline_state(sdev, swidget->pipeline_id,
+						  SOF_IPC4_PIPE_PAUSED);
+		if (ret < 0)
+			return ret;
+		pipeline->state = SOF_IPC4_PIPE_PAUSED;
+		break;
+	default:
+		break;
+	}
+
+	return 0;
+}
+
+static const struct snd_soc_dai_ops ipc4_dmic_dai_ops = {
+	.trigger = ipc4_be_dai_trigger,
+};
+
+static const struct snd_soc_dai_ops ipc4_ssp_dai_ops = {
+	.trigger = ipc4_be_dai_trigger,
+};
+
 void hda_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops)
 {
 	int i;
@@ -624,6 +773,24 @@  void hda_set_dai_drv_ops(struct snd_sof_dev *sdev, struct snd_sof_dsp_ops *ops)
 			    strstr(ops->drv[i].name, "Analog") ||
 			    strstr(ops->drv[i].name, "Digital"))
 				ops->drv[i].ops = &ipc3_hda_dai_ops;
+#endif
+		}
+		break;
+	case SOF_INTEL_IPC4:
+		for (i = 0; i < ops->num_drv; i++) {
+			if (strstr(ops->drv[i].name, "DMIC")) {
+				ops->drv[i].ops = &ipc4_dmic_dai_ops;
+				continue;
+			}
+			if (strstr(ops->drv[i].name, "SSP")) {
+				ops->drv[i].ops = &ipc4_ssp_dai_ops;
+				continue;
+			}
+#if IS_ENABLED(CONFIG_SND_SOC_SOF_HDA)
+			if (strstr(ops->drv[i].name, "iDisp") ||
+			    strstr(ops->drv[i].name, "Analog") ||
+			    strstr(ops->drv[i].name, "Digital"))
+				ops->drv[i].ops = &ipc4_hda_dai_ops;
 #endif
 		}
 		break;