[RFC 1/4] power_supply: Introduce charging object table

Jenny TC
2015-03-06T10:33:44Z

Charging current (CC) and charging voltage (CV) may vary based on
battery temperature. To support CC and CV for different temperature
zones, defined a charging object which holds the properties related
to battery charging.

Signed-off-by: Jenny TC <jenny.tc@intel.com>
---
include/linux/power_supply.h | 27 +++++++++++++++++++++++++++
1 file changed, 27 insertions(+)

diff --git a/include/linux/power_supply.h b/include/linux/power_supply.h
index 096dbce..7aada44 100644
--- a/include/linux/power_supply.h
+++ b/include/linux/power_supply.h
@@ -252,6 +252,33 @@ struct power_supply_info {
int use_for_apm;
};

+
+struct psy_temp_mon_table {
+ int temp_max;
+ int temp_min;
+ int charging_current; /* CC */
+ int charging_voltage; /* CV */
+ /* delta voltage at which charging should restart */
+ int maint_voltage_delta;
+};
+
+#define PSY_MAX_BAT_NAME_LEN 8
+#define PSY_MAX_TEMP_ZONE 6
+
+struct psy_charging_obj {
+ char name[PSY_MAX_BAT_NAME_LEN];
+ int battery_type;
+ int temp_max;
+ int temp_min;
+ int full_condition_soc;
+ int full_condition_capacity;
+ int full_condition_voltage;
+ int iterm; /* charge termination current */
+ /* CC/CV table for different temperature range */
+ int temp_mon_count; /* number of entries in temp_mon_table */
+ struct psy_temp_mon_table temp_mon_table[PSY_MAX_TEMP_ZONE];
+};
+
extern struct atomic_notifier_head power_supply_notifier;
extern int power_supply_reg_notifier(struct notifier_block *nb);
extern void power_supply_unreg_notifier(struct notifier_block *nb);
--
1.7.9.5