ASoC: Intel: Show Baytrail SST DSP firmware details during init

DSP initialization complete message IPC_IA_FW_INIT_CMPLT is a large message
carrying firmware details in mailbox. Read and show those details during
init in order to be able to get that information to QA reports.
Signed-off-by: Jarkko Nikula <jarkko.nikula@linux.intel.com>
Signed-off-by: Mark Brown <broonie@linaro.org>

sound/soc/intel/sst-baytrail-ipc.c

@@ -122,6 +122,26 @@ struct sst_byt_tstamp {
 	u32 channel_peak[8];
 } __packed;
 
+struct sst_byt_fw_version {
+	u8 build;
+	u8 minor;
+	u8 major;
+	u8 type;
+} __packed;
+
+struct sst_byt_fw_build_info {
+	u8 date[16];
+	u8 time[16];
+} __packed;
+
+struct sst_byt_fw_init {
+	struct sst_byt_fw_version fw_version;
+	struct sst_byt_fw_build_info build_info;
+	u16 result;
+	u8 module_id;
+	u8 debug_info;
+} __packed;
+
 /* driver internal IPC message structure */
 struct ipc_message {
 	struct list_head list;
@@ -868,6 +888,7 @@ int sst_byt_dsp_init(struct device *dev, struct sst_pdata *pdata)
 {
 	struct sst_byt *byt;
 	struct sst_fw *byt_sst_fw;
+	struct sst_byt_fw_init init;
 	int err;
 
 	dev_dbg(dev, "initialising Byt DSP IPC\n");
@@ -929,6 +950,15 @@ int sst_byt_dsp_init(struct device *dev, struct sst_pdata *pdata)
 		goto boot_err;
 	}
 
+	/* show firmware information */
+	sst_dsp_inbox_read(byt->dsp, &init, sizeof(init));
+	dev_info(byt->dev, "FW version: %02x.%02x.%02x.%02x\n",
+		 init.fw_version.major, init.fw_version.minor,
+		 init.fw_version.build, init.fw_version.type);
+	dev_info(byt->dev, "Build type: %x\n", init.fw_version.type);
+	dev_info(byt->dev, "Build date: %s %s\n",
+		 init.build_info.date, init.build_info.time);
+
 	pdata->dsp = byt;
 	byt->fw = byt_sst_fw;