From: Pan Xiuli <xiuli.pan@xxxxxxxxxxxxxxx>
Add ipc dump function to CNL+ platforms.
Signed-off-by: Pan Xiuli <xiuli.pan@xxxxxxxxxxxxxxx>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
sound/soc/sof/intel/cnl.c | 19 +++++++++++++++++++
1 file changed, 19 insertions(+)
diff --git a/sound/soc/sof/intel/cnl.c b/sound/soc/sof/intel/cnl.c
index 2eac20bbcaea..08a1a3d3c08d 100644
--- a/sound/soc/sof/intel/cnl.c
+++ b/sound/soc/sof/intel/cnl.c
@@ -158,6 +158,24 @@ static int cnl_ipc_send_msg(struct snd_sof_dev *sdev,
return 0;
}
+static void cnl_ipc_dump(struct snd_sof_dev *sdev)
+{
+ u32 hipcctl;
+ u32 hipcida;
+ u32 hipctdr;
+
+ /* 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);
+ hipctdr = snd_sof_dsp_read(sdev, HDA_DSP_BAR, CNL_DSP_REG_HIPCTDR);
+
+ /* 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",
+ hipcida, hipctdr, hipcctl);
+}
+
/* cannonlake ops */
const struct snd_sof_dsp_ops sof_cnl_ops = {
/* probe and remove */
@@ -189,6 +207,7 @@ const struct snd_sof_dsp_ops sof_cnl_ops = {
.debug_map = cnl_dsp_debugfs,
.debug_map_count = ARRAY_SIZE(cnl_dsp_debugfs),
.dbg_dump = hda_dsp_dump,
+ .ipc_dump = cnl_ipc_dump,
/* stream callbacks */
.pcm_open = hda_dsp_pcm_open,
--
2.17.1
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