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-rw-r--r--include/driver/amd_stt.h27
1 files changed, 27 insertions, 0 deletions
diff --git a/include/driver/amd_stt.h b/include/driver/amd_stt.h
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+++ b/include/driver/amd_stt.h
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+/* 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.
+ */
+
+/* AMD STT (Skin Temperature Tracking) Manager */
+
+#ifndef __CROS_EC_AMD_STT_H
+#define __CROS_EC_AMD_STT_H
+
+#define AMD_STT_WRITE_SENSOR_VALUE_CMD 0x3A
+
+enum amd_stt_pcb_sensor {
+ AMD_STT_PCB_SENSOR_APU = 0x0,
+ AMD_STT_PCB_SENSOR_REMOTE = 0x1,
+ AMD_STT_PCB_SENSOR_GPU = 0x2
+};
+
+/**
+ * Boards must implement these callbacks for SOC and Ambient temperature.
+ * Temperature must be returned in Milli Kelvin.
+ * TODO(b/192391025): Replace with direct calls to temp_sensor_read_mk
+ */
+int board_get_soc_temp_mk(int *temp_mk);
+int board_get_ambient_temp_mk(int *temp_mk);
+
+#endif /* __CROS_EC_AMD_STT_H */