1 files changed, 45 insertions, 0 deletions
diff --git a/include/charger_base.h b/include/charger_base.h
new file mode 100644
index 0000000000..2f9a589e05
--- /dev/null
+++ b/include/charger_base.h
@@ -0,0 +1,45 @@
+/* Copyright 2023 The ChromiumOS Authors
+ * Use of this source code is governed by a BSD-style license that can be
+ * found in the LICENSE file.
+ */
+
+/* Charger functions related to a connected keyboard called a 'base' */
+
+#ifndef __CROS_EC_CHARGER_BASE_H
+#define __CROS_EC_CHARGER_BASE_H
+
+#include <stdbool.h>
+
+struct charge_state_data;
+
+extern int base_responsive;
+extern int charge_base;
+extern int prev_charge_base;
+
+/* allocate power between the base and the lid */
+void base_charge_allocate_input_current_limit(
+	const struct charge_state_data *curr, bool is_full, bool debugging);
+
+/*
+ * Check base external-power settings and react as needed
+ *
+ * @param ac Current ac value from struct charge_state_data
+ * @param prev_ac Previous value of ac
+ * Returns true if ac should be zeroed, false to leave it along
+ */
+bool base_check_extpower(int ac, int prev_ac);
+
+/* Update base battery information */
+void base_update_battery_info(void);
+
+#ifdef CONFIG_EC_EC_COMM_BATTERY_CLIENT
+/* Check if there is a base and it is connected */
+bool base_connected(void);
+#else
+bool base_connected(void)
+{
+	return false;
+}
+#endif
+
+#endif /* __CROS_EC_CHARGER_BASE_H */