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ASoC: SOF: intel: extend IPC dump information 

Extend the HDA IPC dump implementation with status of key IRQ
registers. This is useful to debug IPC timeouts and similar
issues.

Signed-off-by: Kai Vehmanen <kai.vehmanen@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
This commit is contained in:
Kai Vehmanen 2019-06-12 11:57:03 -05:00 committed by Mark Brown
parent b943f79801
commit f1fd9d0e6d
No known key found for this signature in database
GPG Key ID: 24D68B725D5487D0
3 changed files with 33 additions and 0 deletions
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2
sound/soc/sof/intel/cnl.c
View File

@ -168,6 +168,8 @@ static void cnl_ipc_dump(struct snd_sof_dev *sdev)
u32 hipcida;
u32 hipctdr;
hda_ipc_irq_dump(sdev);
/* read IPC status */
hipcida = snd_sof_dsp_read(sdev, HDA_DSP_BAR, CNL_DSP_REG_HIPCIDA);
hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, CNL_DSP_REG_HIPCCTL);

29
sound/soc/sof/intel/hda.c
View File

@ -15,6 +15,9 @@
* Hardware interface for generic Intel audio DSP HDA IP
*/
#include <sound/hdaudio_ext.h>
#include <sound/hda_register.h>
#include <linux/module.h>
#include <sound/hdaudio_ext.h>
#include <sound/sof.h>
@ -183,12 +186,38 @@ void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
}
}
void hda_ipc_irq_dump(struct snd_sof_dev *sdev)
{
struct hdac_bus *bus = sof_to_bus(sdev);
u32 adspis;
u32 intsts;
u32 intctl;
u32 ppsts;
u8 rirbsts;
/* read key IRQ stats and config registers */
adspis = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_ADSPIS);
intsts = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTSTS);
intctl = snd_sof_dsp_read(sdev, HDA_DSP_HDA_BAR, SOF_HDA_INTCTL);
ppsts = snd_sof_dsp_read(sdev, HDA_DSP_PP_BAR, SOF_HDA_REG_PP_PPSTS);
rirbsts = snd_hdac_chip_readb(bus, RIRBSTS);
dev_err(sdev->dev,
"error: hda irq intsts 0x%8.8x intlctl 0x%8.8x rirb %2.2x\n",
intsts, intctl, rirbsts);
dev_err(sdev->dev,
"error: dsp irq ppsts 0x%8.8x adspis 0x%8.8x\n",
ppsts, adspis);
}
void hda_ipc_dump(struct snd_sof_dev *sdev)
{
u32 hipcie;
u32 hipct;
u32 hipcctl;
hda_ipc_irq_dump(sdev);
/* read IPC status */
hipcie = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCIE);
hipct = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCT);

2
sound/soc/sof/intel/hda.h
View File

@ -61,6 +61,7 @@
#define SOF_HDA_PP_CAP_ID 0x3
#define SOF_HDA_REG_PP_PPCH 0x10
#define SOF_HDA_REG_PP_PPCTL 0x04
#define SOF_HDA_REG_PP_PPSTS 0x08
#define SOF_HDA_PPCTL_PIE BIT(31)
#define SOF_HDA_PPCTL_GPROCEN BIT(30)
@ -449,6 +450,7 @@ void hda_dsp_set_hw_params_upon_resume(struct snd_sof_dev *sdev);
void hda_dsp_dump_skl(struct snd_sof_dev *sdev, u32 flags);
void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags);
void hda_ipc_dump(struct snd_sof_dev *sdev);
void hda_ipc_irq_dump(struct snd_sof_dev *sdev);
/*
* DSP PCM Operations.