1 files changed, 56 insertions, 0 deletions
diff --git a/board/rammus/cbi_ssfc.h b/board/rammus/cbi_ssfc.h
new file mode 100644
index 0000000000..2ca20f2376
--- /dev/null
+++ b/board/rammus/cbi_ssfc.h
@@ -0,0 +1,56 @@
+/* Copyright 2021 The Chromium OS Authors. All rights reserved.
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+#ifndef _RAMMUS_CBI_SSFC__H_
+#define _RAMMUS_CBI_SSFC__H_
+
+#include "stdint.h"
+
+/****************************************************************************
+ * Rammus CBI Second Source Factory Cache
+ */
+
+/*
+ * Lid Sensor (Bits 2-0)
+ */
+enum ec_ssfc_lid_sensor {
+	SSFC_SENSOR_LID_DEFAULT = 0,
+	SSFC_SENSOR_LID_BMA255 = 1,
+	SSFC_SENSOR_LID_KX022 = 2
+};
+
+/*
+ * Base Sensor (Bits 5-3)
+ */
+enum ec_ssfc_base_sensor {
+	SSFC_SENSOR_BASE_DEFAULT = 0,
+	SSFC_SENSOR_BASE_BMI160 = 1,
+	SSFC_SENSOR_BASE_ICM426XX = 2,
+};
+
+union rammus_cbi_ssfc {
+	struct {
+		enum ec_ssfc_lid_sensor lid_sensor : 3;
+		enum ec_ssfc_base_sensor base_sensor : 3;
+		uint32_t reserved_2 : 26;
+	};
+	uint32_t raw_value;
+};
+
+/**
+ * Get the Lid sensor type from SSFC_CONFIG.
+ *
+ * @return the Lid sensor board type.
+ */
+enum ec_ssfc_lid_sensor get_cbi_ssfc_lid_sensor(void);
+
+/**
+ * Get the base sensor type form SSFC_CONFIG.
+ *
+ * @return the base sensor board type.
+ */
+enum ec_ssfc_base_sensor get_cbi_ssfc_base_sensor(void);
+
+#endif /* _RAMMUS_CBI_SSFC__H_ */