Initial Contribution
msm-2.6.38: tag AU_LINUX_ANDROID_GINGERBREAD.02.03.04.00.142
Signed-off-by: Bryan Huntsman <bryanh@codeaurora.org>
diff --git a/include/linux/msm-charger.h b/include/linux/msm-charger.h
new file mode 100644
index 0000000..1e4d479
--- /dev/null
+++ b/include/linux/msm-charger.h
@@ -0,0 +1,136 @@
+/* Copyright (c) 2010-2011, Code Aurora Forum. All rights reserved.
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2 and
+ * only version 2 as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ */
+#ifndef __MSM_CHARGER_H__
+#define __MSM_CHARGER_H__
+
+#include <linux/power_supply.h>
+
+enum {
+ CHG_TYPE_USB,
+ CHG_TYPE_AC
+};
+
+enum msm_hardware_charger_event {
+ CHG_INSERTED_EVENT,
+ CHG_ENUMERATED_EVENT,
+ CHG_REMOVED_EVENT,
+ CHG_DONE_EVENT,
+ CHG_BATT_BEGIN_FAST_CHARGING,
+ CHG_BATT_CHG_RESUME,
+ CHG_BATT_TEMP_OUTOFRANGE,
+ CHG_BATT_TEMP_INRANGE,
+ CHG_BATT_INSERTED,
+ CHG_BATT_REMOVED,
+ CHG_BATT_STATUS_CHANGE,
+ CHG_BATT_NEEDS_RECHARGING,
+};
+
+/**
+ * enum hardware_charger_state
+ * @CHG_ABSENT_STATE: charger cable is unplugged
+ * @CHG_PRESENT_STATE: charger cable is plugged but charge current isnt drawn
+ * @CHG_READY_STATE: charger cable is plugged and kernel knows how much current
+ * it can draw
+ * @CHG_CHARGING_STATE: charger cable is plugged and current is drawn for
+ * charging
+ */
+enum msm_hardware_charger_state {
+ CHG_ABSENT_STATE,
+ CHG_PRESENT_STATE,
+ CHG_READY_STATE,
+ CHG_CHARGING_STATE,
+};
+
+struct msm_hardware_charger {
+ int type;
+ int rating;
+ const char *name;
+ int (*start_charging) (struct msm_hardware_charger *hw_chg,
+ int chg_voltage, int chg_current);
+ int (*stop_charging) (struct msm_hardware_charger *hw_chg);
+ int (*charging_switched) (struct msm_hardware_charger *hw_chg);
+
+ void *charger_private; /* used by the msm_charger.c */
+};
+
+struct msm_battery_gauge {
+ int (*get_battery_mvolts) (void);
+ int (*get_battery_temperature) (void);
+ int (*is_battery_present) (void);
+ int (*is_battery_temp_within_range) (void);
+ int (*is_battery_id_valid) (void);
+ int (*get_battery_status)(void);
+ int (*get_batt_remaining_capacity) (void);
+ int (*monitor_for_recharging) (void);
+};
+/**
+ * struct msm_charger_platform_data
+ * @safety_time: max charging time in minutes
+ * @update_time: how often the userland be updated of the charging progress
+ * @max_voltage: the max voltage the battery should be charged upto
+ * @min_voltage: the voltage where charging method switches from trickle to fast
+ * @get_batt_capacity_percent: a board specific function to return battery
+ * capacity. Can be null - a default one will be used
+ */
+struct msm_charger_platform_data {
+ unsigned int safety_time;
+ unsigned int update_time;
+ unsigned int max_voltage;
+ unsigned int min_voltage;
+ unsigned int (*get_batt_capacity_percent) (void);
+};
+
+typedef void (*notify_vbus_state) (int);
+#if defined(CONFIG_BATTERY_MSM8X60) || defined(CONFIG_BATTERY_MSM8X60_MODULE)
+void msm_battery_gauge_register(struct msm_battery_gauge *batt_gauge);
+void msm_battery_gauge_unregister(struct msm_battery_gauge *batt_gauge);
+int msm_charger_register(struct msm_hardware_charger *hw_chg);
+int msm_charger_unregister(struct msm_hardware_charger *hw_chg);
+int msm_charger_notify_event(struct msm_hardware_charger *hw_chg,
+ enum msm_hardware_charger_event event);
+void msm_charger_vbus_draw(unsigned int mA);
+
+int msm_charger_register_vbus_sn(void (*callback)(int));
+void msm_charger_unregister_vbus_sn(void (*callback)(int));
+#else
+static inline void msm_battery_gauge_register(struct msm_battery_gauge *gauge)
+{
+}
+static inline void msm_battery_gauge_unregister(struct msm_battery_gauge *gauge)
+{
+}
+static inline int msm_charger_register(struct msm_hardware_charger *hw_chg)
+{
+ return -ENXIO;
+}
+static inline int msm_charger_unregister(struct msm_hardware_charger *hw_chg)
+{
+ return -ENXIO;
+}
+static inline int msm_charger_notify_event(struct msm_hardware_charger *hw_chg,
+ enum msm_hardware_charger_event event)
+{
+ return -ENXIO;
+}
+static inline void msm_charger_vbus_draw(unsigned int mA)
+{
+}
+static inline int msm_charger_register_vbus_sn(void (*callback)(int))
+{
+ return -ENXIO;
+}
+static inline void msm_charger_unregister_vbus_sn(void (*callback)(int))
+{
+}
+#endif
+#endif /* __MSM_CHARGER_H__ */