ASoC: SOF: IPC4: set the BE DAI ops

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>
Link: https://lore.kernel.org/r/20220609032643.916882-17-ranjani.sridharan@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>

diff --git a/sound/soc/sof/intel/hda-dai.c b/sound/soc/sof/intel/hda-dai.c
index 9823230d2ef4ab06ee5dfff5556b149900c123b7..5423667002e5a62167d240f853487f4048b8083d 100644 (file)
--- 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;