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-rw-r--r--include/battery.h94
-rw-r--r--include/charge_state.h15
2 files changed, 32 insertions, 77 deletions
diff --git a/include/battery.h b/include/battery.h
index b5056cf9d4..cb2a5c32ef 100644
--- a/include/battery.h
+++ b/include/battery.h
@@ -38,11 +38,27 @@ struct batt_params {
int temperature; /* Temperature in 0.1 K */
int state_of_charge; /* State of charge (percent, 0-100) */
int voltage; /* Battery voltage (mV) */
- int current; /* Battery current (mA) */
+ int current; /* Battery current (mA); negative=discharging */
int desired_voltage; /* Charging voltage desired by battery (mV) */
int desired_current; /* Charging current desired by battery (mA) */
+ int flags; /* Flags */
};
+/* Flags for batt_params */
+
+/* Battery wants to be charged */
+#define BATT_FLAG_WANT_CHARGE (1 << 0)
+
+/* Battery is responsive (talking to us via I2C) */
+#define BATT_FLAG_RESPONSIVE (1 << 1)
+
+/* Able to talk to battery, but it won't tell us voltage or charge percent */
+#define BATT_FLAG_BAD_VOLTAGE (1 << 2)
+#define BATT_FLAG_BAD_CHARGE_PERCENT (1 << 3)
+
+/* Battery couldn't tell us every params we want */
+#define BATT_FLAG_BAD_ANY (1 << 4)
+
/* Working temperature ranges in degrees C */
struct battery_temperature_ranges {
int8_t start_charging_min_c;
@@ -70,6 +86,15 @@ struct battery_info {
const struct battery_info *battery_get_info(void);
/**
+ * Get current battery parameters.
+ *
+ * Error conditions are reported via batt.flags.
+ *
+ * @param batt Destination for battery data
+ */
+void battery_get_params(struct batt_params *batt);
+
+/**
* Modify battery parameters to match vendor charging profile.
*
* @param batt Battery parameters to modify
@@ -121,22 +146,6 @@ int battery_is_in_10mw_mode(int *val);
int battery_set_10mw_mode(int enabled);
/**
- * Read battery temperature.
- *
- * @param deci_kelvin Destination for battery temperature in units of 0.1 K
- * @return non-zero if error.
- */
-int battery_temperature(int *deci_kelvin);
-
-/**
- * Read battery voltage.
- *
- * @param voltage Destination for voltage in mW
- * @return non-zero if error.
- */
-int battery_voltage(int *voltage);
-
-/**
* Read nominal voltage battery is designed to supply.
*
* @param voltage Destination for voltage in mW
@@ -145,48 +154,6 @@ int battery_voltage(int *voltage);
int battery_design_voltage(int *voltage);
/**
- * Read charging voltage desired by battery.
- *
- * @param voltage Destination for voltage in mV.
- * @return non-zero if error.
- */
-int battery_desired_voltage(int *voltage);
-
-/**
- * Read battery discharging current.
- *
- * @param current Destination for discharge current in mA; negative
- * value indicates charging.
- * @return non-zero if error.
- */
-int battery_current(int *current);
-
-/**
- * Read averaged battery discharging current.
- *
- * @param current Destination for discharge current in mA; negative
- * value indicates charging.
- * @return non-zero if error.
- */
-int battery_average_current(int *current);
-
-/**
- * Read charging current desired by battery.
- *
- * @param current Destination for current in mA.
- * @return non-zero if error.
- */
-int battery_desired_current(int *current);
-
-/**
- * Read battery relative state of charge.
- *
- * @param percent Destination for charge in percent
- * @return non-zero if error.
- */
-int battery_state_of_charge(int *percent);
-
-/**
* Read absolute state of charge.
*
* @param percent Destination for charge in percent
@@ -257,14 +224,6 @@ int battery_time_to_full(int *minutes);
int battery_time_at_rate(int rate, int *minutes);
/**
- * Check if battery allows charging.
- *
- * @param allowed Non-zero if charging allowed; zero if not allowed.
- * @return non-zero if error.
- */
-int battery_charging_allowed(int *allowed);
-
-/**
* Read battery status.
*
* @param status Destination for status; see STATUS_* in battery_smart.h.
@@ -326,4 +285,3 @@ int battery_device_chemistry(char *dest, int size);
int battery_manufacturer_date(int *year, int *month, int *day);
#endif /* __CROS_EC_BATTERY_H */
-
diff --git a/include/charge_state.h b/include/charge_state.h
index bd8e5d05e6..5a176c1b40 100644
--- a/include/charge_state.h
+++ b/include/charge_state.h
@@ -22,24 +22,21 @@
/* Power state error flags */
#define F_CHARGER_INIT (1 << 0) /* Charger initialization */
-#define F_CHARGER_VOLTAGE (1 << 1) /* Charger maximun output voltage */
+#define F_CHARGER_VOLTAGE (1 << 1) /* Charger maximum output voltage */
#define F_CHARGER_CURRENT (1 << 2) /* Charger maximum output current */
#define F_BATTERY_VOLTAGE (1 << 3) /* Battery voltage */
-#define F_BATTERY_CURRENT (1 << 4) /* Battery charging current */
-#define F_DESIRED_VOLTAGE (1 << 5) /* Battery desired voltage */
-#define F_DESIRED_CURRENT (1 << 6) /* Battery desired current */
-#define F_BATTERY_TEMPERATURE (1 << 7) /* Battery temperature */
#define F_BATTERY_MODE (1 << 8) /* Battery mode */
#define F_BATTERY_CAPACITY (1 << 9) /* Battery capacity */
#define F_BATTERY_STATE_OF_CHARGE (1 << 10) /* State of charge, percentage */
#define F_BATTERY_UNRESPONSIVE (1 << 11) /* Battery not responding */
#define F_BATTERY_NOT_CONNECTED (1 << 12) /* Battery not connected */
+#define F_BATTERY_GET_PARAMS (1 << 13) /* Any battery parameter bad */
-#define F_BATTERY_MASK (F_BATTERY_VOLTAGE | F_BATTERY_CURRENT | \
- F_DESIRED_VOLTAGE | F_DESIRED_CURRENT | \
- F_BATTERY_TEMPERATURE | F_BATTERY_MODE | \
+#define F_BATTERY_MASK (F_BATTERY_VOLTAGE | \
+ F_BATTERY_MODE | \
F_BATTERY_CAPACITY | F_BATTERY_STATE_OF_CHARGE | \
- F_BATTERY_UNRESPONSIVE | F_BATTERY_NOT_CONNECTED)
+ F_BATTERY_UNRESPONSIVE | F_BATTERY_NOT_CONNECTED | \
+ F_BATTERY_GET_PARAMS)
#define F_CHARGER_MASK (F_CHARGER_VOLTAGE | F_CHARGER_CURRENT | \
F_CHARGER_INIT)