[PATCH 4/5] ASoC: SOF: Intel: Enable d0i3 work for ipc4

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From: Rander Wang <rander.wang@xxxxxxxxx>

Schedule a delayed work for d0i3 entry after every non-pm ipc msg.

Signed-off-by: Rander Wang <rander.wang@xxxxxxxxx>
Reviewed-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
Reviewed-by: Ranjani Sridharan <ranjani.sridharan@xxxxxxxxxxxxxxx>
Reviewed-by: Péter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
Signed-off-by: Peter Ujfalusi <peter.ujfalusi@xxxxxxxxxxxxxxx>
---
 sound/soc/sof/intel/cnl.c     |  2 ++
 sound/soc/sof/intel/hda-ipc.c | 28 ++++++++++++++++++++++++++++
 sound/soc/sof/intel/hda.h     |  2 ++
 sound/soc/sof/intel/mtl.c     |  2 ++
 4 files changed, 34 insertions(+)

diff --git a/sound/soc/sof/intel/cnl.c b/sound/soc/sof/intel/cnl.c
index 6b075bbe5bfb..a08a77fa946b 100644
--- a/sound/soc/sof/intel/cnl.c
+++ b/sound/soc/sof/intel/cnl.c
@@ -280,6 +280,8 @@ int cnl_ipc4_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg)
 	snd_sof_dsp_write(sdev, HDA_DSP_BAR, CNL_DSP_REG_HIPCIDR,
 			  msg_data->primary | CNL_DSP_REG_HIPCIDR_BUSY);
 
+	hda_dsp_ipc4_schedule_d0i3_work(hdev, msg);
+
 	return 0;
 }
 
diff --git a/sound/soc/sof/intel/hda-ipc.c b/sound/soc/sof/intel/hda-ipc.c
index d7e16e6b6f52..df541b22b2d2 100644
--- a/sound/soc/sof/intel/hda-ipc.c
+++ b/sound/soc/sof/intel/hda-ipc.c
@@ -67,6 +67,32 @@ int hda_dsp_ipc_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg)
 	return 0;
 }
 
+static inline bool hda_dsp_ipc4_pm_msg(u32 primary)
+{
+	/* pm setting is only supported by module msg */
+	if (SOF_IPC4_MSG_IS_MODULE_MSG(primary) != SOF_IPC4_MODULE_MSG)
+		return false;
+
+	if (SOF_IPC4_MSG_TYPE_GET(primary) == SOF_IPC4_MOD_SET_DX ||
+	    SOF_IPC4_MSG_TYPE_GET(primary) == SOF_IPC4_MOD_SET_D0IX)
+		return true;
+
+	return false;
+}
+
+void hda_dsp_ipc4_schedule_d0i3_work(struct sof_intel_hda_dev *hdev,
+				     struct snd_sof_ipc_msg *msg)
+{
+	struct sof_ipc4_msg *msg_data = msg->msg_data;
+
+	/* Schedule a delayed work for d0i3 entry after sending non-pm ipc msg */
+	if (hda_dsp_ipc4_pm_msg(msg_data->primary))
+		return;
+
+	mod_delayed_work(system_wq, &hdev->d0i3_work,
+			 msecs_to_jiffies(SOF_HDA_D0I3_WORK_DELAY_MS));
+}
+
 int hda_dsp_ipc4_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg)
 {
 	struct sof_intel_hda_dev *hdev = sdev->pdata->hw_pdata;
@@ -88,6 +114,8 @@ int hda_dsp_ipc4_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg)
 	snd_sof_dsp_write(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCI,
 			  msg_data->primary | HDA_DSP_REG_HIPCI_BUSY);
 
+	hda_dsp_ipc4_schedule_d0i3_work(hdev, msg);
+
 	return 0;
 }
 
diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h
index b3080b82ca25..45f9d4248f14 100644
--- a/sound/soc/sof/intel/hda.h
+++ b/sound/soc/sof/intel/hda.h
@@ -919,6 +919,8 @@ irqreturn_t cnl_ipc4_irq_thread(int irq, void *context);
 int cnl_ipc4_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg);
 irqreturn_t hda_dsp_ipc4_irq_thread(int irq, void *context);
 bool hda_ipc4_tx_is_busy(struct snd_sof_dev *sdev);
+void hda_dsp_ipc4_schedule_d0i3_work(struct sof_intel_hda_dev *hdev,
+				     struct snd_sof_ipc_msg *msg);
 int hda_dsp_ipc4_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *msg);
 void hda_ipc4_dump(struct snd_sof_dev *sdev);
 extern struct sdw_intel_ops sdw_callback;
diff --git a/sound/soc/sof/intel/mtl.c b/sound/soc/sof/intel/mtl.c
index 67b8ccbc2e94..307faad2ecf4 100644
--- a/sound/soc/sof/intel/mtl.c
+++ b/sound/soc/sof/intel/mtl.c
@@ -110,6 +110,8 @@ static int mtl_ipc_send_msg(struct snd_sof_dev *sdev, struct snd_sof_ipc_msg *ms
 	snd_sof_dsp_write(sdev, HDA_DSP_BAR, MTL_DSP_REG_HFIPCXIDR,
 			  msg_data->primary | MTL_DSP_REG_HFIPCXIDR_BUSY);
 
+	hda_dsp_ipc4_schedule_d0i3_work(hdev, msg);
+
 	return 0;
 }
 
-- 
2.39.1




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