1 files changed, 63 insertions, 0 deletions
diff --git a/drivers/usb/typec/ucsi/trace.c b/drivers/usb/typec/ucsi/trace.c
new file mode 100644
index 000000000..cb62ad835
--- /dev/null
+++ b/drivers/usb/typec/ucsi/trace.c
@@ -0,0 +1,63 @@
+// SPDX-License-Identifier: GPL-2.0
+#define CREATE_TRACE_POINTS
+#include "ucsi.h"
+#include "trace.h"
+
+static const char * const ucsi_cmd_strs[] = {
+	[0]				= "Unknown command",
+	[UCSI_PPM_RESET]		= "PPM_RESET",
+	[UCSI_CANCEL]			= "CANCEL",
+	[UCSI_CONNECTOR_RESET]		= "CONNECTOR_RESET",
+	[UCSI_ACK_CC_CI]		= "ACK_CC_CI",
+	[UCSI_SET_NOTIFICATION_ENABLE]	= "SET_NOTIFICATION_ENABLE",
+	[UCSI_GET_CAPABILITY]		= "GET_CAPABILITY",
+	[UCSI_GET_CONNECTOR_CAPABILITY]	= "GET_CONNECTOR_CAPABILITY",
+	[UCSI_SET_UOM]			= "SET_UOM",
+	[UCSI_SET_UOR]			= "SET_UOR",
+	[UCSI_SET_PDM]			= "SET_PDM",
+	[UCSI_SET_PDR]			= "SET_PDR",
+	[UCSI_GET_ALTERNATE_MODES]	= "GET_ALTERNATE_MODES",
+	[UCSI_GET_CAM_SUPPORTED]	= "GET_CAM_SUPPORTED",
+	[UCSI_GET_CURRENT_CAM]		= "GET_CURRENT_CAM",
+	[UCSI_SET_NEW_CAM]		= "SET_NEW_CAM",
+	[UCSI_GET_PDOS]			= "GET_PDOS",
+	[UCSI_GET_CABLE_PROPERTY]	= "GET_CABLE_PROPERTY",
+	[UCSI_GET_CONNECTOR_STATUS]	= "GET_CONNECTOR_STATUS",
+	[UCSI_GET_ERROR_STATUS]		= "GET_ERROR_STATUS",
+};
+
+const char *ucsi_cmd_str(u64 raw_cmd)
+{
+	u8 cmd = raw_cmd & GENMASK(7, 0);
+
+	return ucsi_cmd_strs[(cmd >= ARRAY_SIZE(ucsi_cmd_strs)) ? 0 : cmd];
+}
+
+const char *ucsi_cci_str(u32 cci)
+{
+	if (UCSI_CCI_CONNECTOR(cci)) {
+		if (cci & UCSI_CCI_ACK_COMPLETE)
+			return "Event pending (ACK completed)";
+		if (cci & UCSI_CCI_COMMAND_COMPLETE)
+			return "Event pending (command completed)";
+		return "Connector Change";
+	}
+	if (cci & UCSI_CCI_ACK_COMPLETE)
+		return "ACK completed";
+	if (cci & UCSI_CCI_COMMAND_COMPLETE)
+		return "Command completed";
+
+	return "";
+}
+
+static const char * const ucsi_recipient_strs[] = {
+	[UCSI_RECIPIENT_CON]		= "port",
+	[UCSI_RECIPIENT_SOP]		= "partner",
+	[UCSI_RECIPIENT_SOP_P]		= "plug (prime)",
+	[UCSI_RECIPIENT_SOP_PP]		= "plug (double prime)",
+};
+
+const char *ucsi_recipient_str(u8 recipient)
+{
+	return ucsi_recipient_strs[recipient];
+}