UbiquitousOS
/
OpenCloudOS-Kernel
mirror of https://gitee.com/OpenCloudOS/OpenCloudOS-Kernel.git
11
0
Fork 0
Code Issues Projects Releases Wiki Activity

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

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
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

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)
{
}