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/* Copyright 2013 The Chromium OS Authors. All rights reserved.
* Use of this source code is governed by a BSD-style license that can be
* found in the LICENSE file.
*/
#include "battery.h"
#include "timer.h"
#ifndef __CROS_EC_CHARGE_STATE_V1_H
#define __CROS_EC_CHARGE_STATE_V1_H
/* Update period to prevent charger watchdog timeout */
#define CHARGER_UPDATE_PERIOD (SECOND * 10)
/* Power state error flags */
#define F_CHARGER_INIT BIT(0) /* Charger initialization */
#define F_CHARGER_VOLTAGE BIT(1) /* Charger maximum output voltage */
#define F_CHARGER_CURRENT BIT(2) /* Charger maximum output current */
#define F_BATTERY_VOLTAGE BIT(3) /* Battery voltage */
#define F_BATTERY_MODE BIT(8) /* Battery mode */
#define F_BATTERY_CAPACITY BIT(9) /* Battery capacity */
#define F_BATTERY_STATE_OF_CHARGE BIT(10) /* State of charge, percentage */
#define F_BATTERY_UNRESPONSIVE BIT(11) /* Battery not responding */
#define F_BATTERY_NOT_CONNECTED BIT(12) /* Battery not connected */
#define F_BATTERY_GET_PARAMS BIT(13) /* Any battery parameter bad */
#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_GET_PARAMS)
#define F_CHARGER_MASK (F_CHARGER_VOLTAGE | F_CHARGER_CURRENT | \
F_CHARGER_INIT)
/* Power state data
* Status collection of charging state machine.
*/
struct charge_state_data {
int ac;
int charging_voltage;
int charging_current;
struct batt_params batt;
enum charge_state state;
uint32_t error;
timestamp_t ts;
};
/* State context
* The shared context for state handler. The context contains current and
* previous state.
*/
struct charge_state_context {
struct charge_state_data curr;
struct charge_state_data prev;
timestamp_t charge_state_updated_time;
uint32_t *memmap_batt_volt;
uint32_t *memmap_batt_rate;
uint32_t *memmap_batt_cap;
uint8_t *memmap_batt_flags;
/* Charger and battery pack info */
const struct charger_info *charger;
const struct battery_info *battery;
/* Charging timestamps */
timestamp_t charger_update_time;
timestamp_t trickle_charging_time;
timestamp_t voltage_debounce_time;
timestamp_t shutdown_warning_time;
int battery_responsive;
};
#endif /* __CROS_EC_CHARGE_STATE_V1_H */
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