[PATCH 12/13] ASoC: SOF: Intel: Add context data to any IPC timeout.

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From: Liam Girdwood <liam.r.girdwood@xxxxxxxxxxxxxxx>

Helps with FW debug as it provides DSP IPC processing context.

Signed-off-by: Liam Girdwood <liam.r.girdwood@xxxxxxxxxxxxxxx>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@xxxxxxxxxxxxxxx>
---
 sound/soc/sof/intel/bdw.c | 22 +++++++++++++++++++++-
 sound/soc/sof/intel/byt.c | 23 ++++++++++++++++++++++-
 2 files changed, 43 insertions(+), 2 deletions(-)

diff --git a/sound/soc/sof/intel/bdw.c b/sound/soc/sof/intel/bdw.c
index 80e2826fb447..f395d0638876 100644
--- a/sound/soc/sof/intel/bdw.c
+++ b/sound/soc/sof/intel/bdw.c
@@ -247,7 +247,7 @@ static void bdw_dump(struct snd_sof_dev *sdev, u32 flags)
 	struct sof_ipc_dsp_oops_xtensa xoops;
 	struct sof_ipc_panic_info panic_info;
 	u32 stack[BDW_STACK_DUMP_SIZE];
-	u32 status, panic;
+	u32 status, panic, imrx, imrd;
 
 	/* now try generic SOF status messages */
 	status = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IPCD);
@@ -256,6 +256,26 @@ static void bdw_dump(struct snd_sof_dev *sdev, u32 flags)
 			  BDW_STACK_DUMP_SIZE);
 	snd_sof_get_status(sdev, status, panic, &xoops, &panic_info, stack,
 			   BDW_STACK_DUMP_SIZE);
+
+	/* provide some context for firmware debug */
+	imrx = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IMRX);
+	imrd = snd_sof_dsp_read(sdev, BDW_DSP_BAR, SHIM_IMRD);
+	dev_err(sdev->dev,
+		"error: ipc host -> DSP: pending %s complete %s raw 0x%8.8x\n",
+		panic & SHIM_IPCX_BUSY ? "yes" : "no",
+		panic & SHIM_IPCX_DONE ? "yes" : "no", panic);
+	dev_err(sdev->dev,
+		"error: mask host: pending %s complete %s raw 0x%8.8x\n",
+		imrx & SHIM_IMRX_BUSY ? "yes" : "no",
+		imrx & SHIM_IMRX_DONE ? "yes" : "no", imrx);
+	dev_err(sdev->dev,
+		"error: ipc DSP -> host: pending %s complete %s raw 0x%8.8x\n",
+		status & SHIM_IPCD_BUSY ? "yes" : "no",
+		status & SHIM_IPCD_DONE ? "yes" : "no", status);
+	dev_err(sdev->dev,
+		"error: mask DSP: pending %s complete %s raw 0x%8.8x\n",
+		imrd & SHIM_IMRD_BUSY ? "yes" : "no",
+		imrd & SHIM_IMRD_DONE ? "yes" : "no", imrd);
 }
 
 /*
diff --git a/sound/soc/sof/intel/byt.c b/sound/soc/sof/intel/byt.c
index a1e514f71739..b2597ecfdc1c 100644
--- a/sound/soc/sof/intel/byt.c
+++ b/sound/soc/sof/intel/byt.c
@@ -145,7 +145,7 @@ static void byt_dump(struct snd_sof_dev *sdev, u32 flags)
 	struct sof_ipc_dsp_oops_xtensa xoops;
 	struct sof_ipc_panic_info panic_info;
 	u32 stack[BYT_STACK_DUMP_SIZE];
-	u32 status, panic;
+	u32 status, panic, imrd, imrx;
 
 	/* now try generic SOF status messages */
 	status = snd_sof_dsp_read(sdev, BYT_DSP_BAR, SHIM_IPCD);
@@ -154,6 +154,27 @@ static void byt_dump(struct snd_sof_dev *sdev, u32 flags)
 			  BYT_STACK_DUMP_SIZE);
 	snd_sof_get_status(sdev, status, panic, &xoops, &panic_info, stack,
 			   BYT_STACK_DUMP_SIZE);
+
+	/* provide some context for firmware debug */
+	imrx = snd_sof_dsp_read(sdev, BYT_DSP_BAR, SHIM_IMRX);
+	imrd = snd_sof_dsp_read(sdev, BYT_DSP_BAR, SHIM_IMRD);
+	dev_err(sdev->dev,
+		"error: ipc host -> DSP: pending %s complete %s raw 0x%8.8x\n",
+		panic & SHIM_IPCX_BUSY ? "yes" : "no",
+		panic & SHIM_IPCX_DONE ? "yes" : "no", panic);
+	dev_err(sdev->dev,
+		"error: mask host: pending %s complete %s raw 0x%8.8x\n",
+		imrx & SHIM_IMRX_BUSY ? "yes" : "no",
+		imrx & SHIM_IMRX_DONE ? "yes" : "no", imrx);
+	dev_err(sdev->dev,
+		"error: ipc DSP -> host: pending %s complete %s raw 0x%8.8x\n",
+		status & SHIM_IPCD_BUSY ? "yes" : "no",
+		status & SHIM_IPCD_DONE ? "yes" : "no", status);
+	dev_err(sdev->dev,
+		"error: mask DSP: pending %s complete %s raw 0x%8.8x\n",
+		imrd & SHIM_IMRD_BUSY ? "yes" : "no",
+		imrd & SHIM_IMRD_DONE ? "yes" : "no", imrd);
+
 }
 
 /*
-- 
2.20.1

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