From 3c170cca8d7248e58135a3e807a9fa6978171416 Mon Sep 17 00:00:00 2001
From: Pan Xiuli <xiuli.pan@linux.intel.com>
Date: Tue, 30 Apr 2019 18:09:33 -0500
Subject: [PATCH] ASoC: SOF: Intel: APL: add ipc dump function
Add IPC dump function for APL plaform
Signed-off-by: Pan Xiuli <xiuli.pan@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Signed-off-by: Mark Brown <broonie@kernel.org>
---
sound/soc/sof/intel/apl.c | 1 +
sound/soc/sof/intel/hda.c | 18 ++++++++++++++++++
sound/soc/sof/intel/hda.h | 1 +
3 files changed, 20 insertions(+)
diff --git a/sound/soc/sof/intel/apl.c b/sound/soc/sof/intel/apl.c
index d1fb2f2ba1e1c..f215d80dce2c3 100644
--- a/sound/soc/sof/intel/apl.c
+++ b/sound/soc/sof/intel/apl.c
@@ -55,6 +55,7 @@ const struct snd_sof_dsp_ops sof_apl_ops = {
.debug_map = apl_dsp_debugfs,
.debug_map_count = ARRAY_SIZE(apl_dsp_debugfs),
.dbg_dump = hda_dsp_dump,
+ .ipc_dump = hda_ipc_dump,
/* stream callbacks */
.pcm_open = hda_dsp_pcm_open,
diff --git a/sound/soc/sof/intel/hda.c b/sound/soc/sof/intel/hda.c
index 84baf275b4671..7e3980a2f7ba2 100644
--- a/sound/soc/sof/intel/hda.c
+++ b/sound/soc/sof/intel/hda.c
@@ -179,6 +179,24 @@ void hda_dsp_dump(struct snd_sof_dev *sdev, u32 flags)
}
}
+void hda_ipc_dump(struct snd_sof_dev *sdev)
+{
+ u32 hipcie;
+ u32 hipct;
+ u32 hipcctl;
+
+ /* 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);
+ hipcctl = snd_sof_dsp_read(sdev, HDA_DSP_BAR, HDA_DSP_REG_HIPCCTL);
+
+ /* dump the IPC regs */
+ /* TODO: parse the raw msg */
+ dev_err(sdev->dev,
+ "error: host status 0x%8.8x dsp status 0x%8.8x mask 0x%8.8x\n",
+ hipcie, hipct, hipcctl);
+}
+
static int hda_init(struct snd_sof_dev *sdev)
{
struct hda_bus *hbus;
diff --git a/sound/soc/sof/intel/hda.h b/sound/soc/sof/intel/hda.h
index 4b00e5d88565e..92d45c43b4b1c 100644
--- a/sound/soc/sof/intel/hda.h
+++ b/sound/soc/sof/intel/hda.h
@@ -447,6 +447,7 @@ int hda_dsp_runtime_resume(struct snd_sof_dev *sdev);
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);
/*
* DSP PCM Operations.
--
2.39.5