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-rw-r--r--board/draco/fw_config.h54
1 files changed, 54 insertions, 0 deletions
diff --git a/board/draco/fw_config.h b/board/draco/fw_config.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.
+ */
+
+#ifndef __BOARD_DRACO_FW_CONFIG_H_
+#define __BOARD_DRACO_FW_CONFIG_H_
+
+#include <stdint.h>
+
+/****************************************************************************
+ * CBI FW_CONFIG layout for Draco board.
+ *
+ * Source of truth is the project/brya/draco/config.star configuration file.
+ */
+
+enum ec_cfg_usb_db_type {
+ DB_USB_ABSENT = 0,
+ DB_USB3_PS8815 = 1,
+ DB_USB_ABSENT2 = 15
+};
+
+enum ec_cfg_keyboard_backlight_type {
+ KEYBOARD_BACKLIGHT_DISABLED = 0,
+ KEYBOARD_BACKLIGHT_ENABLED = 1
+};
+
+union draco_cbi_fw_config {
+ struct {
+ enum ec_cfg_usb_db_type usb_db : 4;
+ uint32_t sd_db : 2;
+ uint32_t lte_db : 1;
+ enum ec_cfg_keyboard_backlight_type kb_bl : 1;
+ uint32_t audio : 3;
+ uint32_t reserved_1 : 21;
+ };
+ uint32_t raw_value;
+};
+
+/**
+ * Read the cached FW_CONFIG. Guaranteed to have valid values.
+ *
+ * @return the FW_CONFIG for the board.
+ */
+union draco_cbi_fw_config get_fw_config(void);
+
+/**
+ * Get the USB daughter board type from FW_CONFIG.
+ *
+ * @return the USB daughter board type.
+ */
+enum ec_cfg_usb_db_type ec_cfg_usb_db_type(void);
+
+#endif /* __BOARD_DRACO_FW_CONFIG_H_ */