From: Rander Wang <rander.wang@xxxxxxxxx>
If pci device is in D0, wakeen interrupt will be
aggregated at cAVS level as interrupt. This commit
check the wakeen status and process it in irq thread
Signed-off-by: Rander Wang <rander.wang@xxxxxxxxx>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
sound/soc/sof/intel/hda.c | 16 ++++++++++++++++
sound/soc/sof/intel/hda.h | 6 ++++++
2 files changed, 22 insertions(+)
diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c
index 9c7a816183b6..b5206dc4607a 100644
--- a/sound/soc/sof/intel/hda.c
+++ b/sound/soc/sof/intel/hda.c
@@ -241,6 +241,19 @@ static irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
return sdw_intel_thread(irq, context);
}
+static bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
+{
+ struct sof_intel_hda_dev *hdev;
+
+ hdev = sdev->pdata->hw_pdata;
+ if (hdev->sdw &&
+ snd_sof_dsp_read(sdev, HDA_DSP_BAR,
+ HDA_DSP_REG_SNDW_WAKE_STS))
+ return true;
+
+ return false;
+}
+
void hda_sdw_process_wakeen(struct snd_sof_dev *sdev)
{
struct sof_intel_hda_dev *hdev;
@@ -685,6 +698,9 @@ static irqreturn_t hda_dsp_interrupt_thread(int irq, void *context)
if (hda_dsp_check_sdw_irq(sdev))
hda_dsp_sdw_thread(irq, hdev->sdw);
+ if (hda_sdw_check_wakeen_irq(sdev))
+ hda_sdw_process_wakeen(sdev);
+
/* enable GIE interrupt */
snd_sof_dsp_update_bits(sdev, HDA_DSP_HDA_BAR,
SOF_HDA_INTCTL,
diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h
index 69717a38913c..53f563aa782d 100644
--- a/sound/soc/sof/intel/hda.h
+++ b/sound/soc/sof/intel/hda.h
@@ -234,6 +234,7 @@
#define HDA_DSP_REG_ADSPIS2 (HDA_DSP_GEN_BASE + 0x14)
#define HDA_DSP_REG_ADSPIS2_SNDW BIT(5)
+#define HDA_DSP_REG_SNDW_WAKE_STS 0x2C192
/* Intel HD Audio Inter-Processor Communication Registers */
#define HDA_DSP_IPC_BASE 0x40
@@ -710,6 +711,11 @@ static inline irqreturn_t hda_dsp_sdw_thread(int irq, void *context)
return IRQ_HANDLED;
}
+static inline bool hda_sdw_check_wakeen_irq(struct snd_sof_dev *sdev)
+{
+ return false;
+}
+
static inline void hda_sdw_process_wakeen(struct snd_sof_dev *sdev)
{
}
--
2.20.1
