ASoC: SOF: Intel: Add context data to any IPC timeout.

Helps with FW debug as it provides DSP IPC processing context.
Signed-off-by: Liam Girdwood <liam.r.girdwood@linux.intel.com>
Signed-off-by: Pierre-Louis Bossart <pierre-louis.bossart@linux.intel.com>
Link: https://lore.kernel.org/r/20190927200538.660-13-pierre-louis.bossart@linux.intel.comSigned-off-by: Mark Brown <broonie@kernel.org>

sound/soc/sof/intel/bdw.c

@@ -241,7 +241,7 @@ 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);
@@ -250,6 +250,26 @@ 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);
 }
 
 /*

sound/soc/sof/intel/byt.c

@@ -139,7 +139,7 @@ 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);
@@ -148,6 +148,27 @@ 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);
+
 }
 
 /*