1 files changed, 82 insertions, 0 deletions
diff --git a/board/taniks/fw_config.h b/board/taniks/fw_config.h
new file mode 100644
index 0000000000..35bf7b9cc2
--- /dev/null
+++ b/board/taniks/fw_config.h
@@ -0,0 +1,82 @@
+/* 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_TANIKS_FW_CONFIG_H_
+#define __BOARD_TANIKS_FW_CONFIG_H_
+
+#include <stdint.h>
+
+/****************************************************************************
+ * CBI FW_CONFIG layout for Taniks board.
+ *
+ * Source of truth is the project/taniks/taniks/config.star configuration file.
+ */
+
+enum ec_cfg_usb_db_type {
+	DB_USB_ABSENT = 0,
+	DB_USB3_PS8815 = 1
+};
+
+enum ec_cfg_keyboard_backlight_type {
+	KEYBOARD_BACKLIGHT_DISABLED = 0,
+	KEYBOARD_BACKLIGHT_ENABLED = 1
+};
+
+enum ec_cfg_tabletmode_type {
+	TABLETMODE_DISABLED = 0,
+	TABLETMODE_ENABLED = 1
+};
+
+union taniks_cbi_fw_config {
+	struct {
+		enum ec_cfg_usb_db_type			usb_db : 2;
+		uint32_t				sd_db : 2;
+		enum ec_cfg_keyboard_backlight_type	kb_bl : 1;
+		uint32_t				audio : 3;
+		uint32_t				reserved_1 : 6;
+		/* b/211079131 - Fw config structure
+		 * b/211076082 - Move tablet mode to bit14
+		 * bit8-9: kb_layout
+		 * bit10-11: wifi_sar_id,
+		 * bit12: nvme
+		 * bit13: emmc
+		 */
+		enum ec_cfg_tabletmode_type		tabletmode : 1;
+		uint32_t				reserved_2 : 17;
+	};
+	uint32_t raw_value;
+};
+
+/**
+ * Read the cached FW_CONFIG.  Guaranteed to have valid values.
+ *
+ * @return the FW_CONFIG for the board.
+ */
+union taniks_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);
+
+/**
+ * Check if the FW_CONFIG has enabled keyboard backlight.
+ *
+ * @return true if board supports keyboard backlight, false if the board
+ * doesn't support it.
+ */
+bool ec_cfg_has_keyboard_backlight(void);
+
+/**
+ * Check if the FW_CONFIG has enabled tablet mode.
+ *
+ * @return true if board supports tablet mode, false if the board
+ * doesn't support it.
+ */
+bool ec_cfg_has_tabletmode(void);
+
+#endif /* __BOARD_TANIKS_FW_CONFIG_H_ */