Battery charging for C123.

2 files changed, 52 insertions, 0 deletions

diff --git a/src/target/firmware/include/battery/battery.h b/src/target/firmware/include/battery/battery.h
new file mode 100755
index 00000000..d80f0742
--- /dev/null
+++ b/src/target/firmware/include/battery/battery.h
@@ -0,0 +1,37 @@
+#ifndef _BATTERY_BATTERY_H
+#define _BATTERY_BATTERY_H
+
+/* User-visible state of the battery charger.
+ *
+ * If CHG_CONNECTED, power is externally supplied to the mobile.
+ *
+ * If CHG_ENABLED, the charger will try to provide charge
+ * to the battery if needed, but this state might be switchable?
+ *
+ * BATTERY_CHARGING: Battery is not full, so a significant charging
+ * current (not trickle charge) is supplied.
+ *
+ * BATTERY_FAILURE: Overtemperature, overvoltage, ... if this bit
+ * is set, charging should be inhibited.
+ */
+
+
+enum osmocom_battery_flags {
+	BATTERY_CHG_CONNECTED = 1 << 0,  /* AC adapter is connected */
+	BATTERY_CHG_ENABLED   = 1 << 1,  /* if needed charger could charge */
+	BATTERY_CHARGING      = 1 << 2,  /* charger is actively charging */
+	BATTERY_FAILURE       = 1 << 3,  /* problem exists preventing charge */
+};
+
+struct osmocom_battery_info {
+	enum osmocom_battery_flags flags;
+	int charger_volt_mV; /* charger connection voltage */
+	int bat_volt_mV;     /* battery terminal voltage */
+	int bat_chg_curr_mA; /* battery charging current */
+	int battery_percent; /* 0(empty) .. 100(full) */
+};
+
+extern struct osmocom_battery_info
+osmocom_battery_info;
+
+#endif
diff --git a/src/target/firmware/include/battery/compal_e88.h b/src/target/firmware/include/battery/compal_e88.h
new file mode 100644
index 00000000..c6c96f39
--- /dev/null
+++ b/src/target/firmware/include/battery/compal_e88.h
@@ -0,0 +1,15 @@
+#ifndef _BATTERY_COMPAL_E88_H
+#define _BATTERY_COMPAL_E88_H
+
+#include <stdint.h>
+#include <abb/twl3025.h>
+
+/* initialize the charger control loop on C123 */
+
+extern void
+battery_compal_e88_init();
+
+extern uint16_t
+compal_e88_madc[MADC_NUM_CHANNELS];
+
+#endif