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Asoc: SOF: Intel: hda: check SoundWire wakeen interrupt in irq thread

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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: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Rander Wang <rander.wang@intel.com>
Link: https://lore.kernel.org/r/20200325215027.28716-11-pierre-louis.bossart@linux.intel.com
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Rander Wang 2020-03-25 16:50:26 -05:00 committed by Mark Brown
parent bbd19cdca8
commit 90de3281c8
No known key found for this signature in database
GPG key ID: 24D68B725D5487D0
2 changed files with 22 additions and 0 deletions
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16
sound/soc/sof/intel/hda.c
View file

@ -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,

6
sound/soc/sof/intel/hda.h
View file

@ -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)
{
}