From: Rander Wang rander.wang@intel.com
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@intel.com Signed-off-by: Pierre-Louis Bossart pierre-louis.bossart@linux.intel.com --- 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 7d1aa4c7d82c..211e91e79eae 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; @@ -684,6 +697,9 @@ 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 6f1765b1ed1d..e9825798de77 100644 --- a/sound/soc/sof/intel/hda.h +++ b/sound/soc/sof/intel/hda.h @@ -233,6 +233,7 @@ #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 @@ -709,6 +710,11 @@ 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) { }