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Diffstat (limited to 'include/battery_smart.h')
| -rw-r--r-- | include/battery_smart.h | 143 |
1 files changed, 143 insertions, 0 deletions
diff --git a/include/battery_smart.h b/include/battery_smart.h new file mode 100644 index 0000000000..6324f1c31d --- /dev/null +++ b/include/battery_smart.h @@ -0,0 +1,143 @@ +/* Copyright (c) 2012 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. + * + * Smart battery v1.0 + * Smart battery charger v1.1 + */ +#ifndef __CROS_EC_SMART_BATTERY_H +#define __CROS_EC_SMART_BATTERY_H + +#include "common.h" + +/* Smart battery and charger I2C address */ +#define BATTERY_ADDR 0x16 +#define CHARGER_ADDR 0x12 + +/* Charger functions */ +#define SB_CHARGER_SPEC_INFO 0x11 +#define SB_CHARGE_MODE 0x12 +#define SB_CHARGER_STATUS 0x13 +#define SB_CHARGING_CURRENT 0x14 +#define SB_CHARGING_VOLTAGE 0x15 +#define SB_ALARM_WARNING 0x16 + +/* Battery functions */ +#define SB_MANUFACTURER_ACCESS 0x00 +#define SB_REMAINING_CAPACITY_ALARM 0x01 +#define SB_REMAINING_TIME_ALARM 0x02 +#define SB_BATTERY_MODE 0x03 +#define SB_AT_RATE 0x04 +#define SB_AT_RATE_TIME_TO_FULL 0x05 +#define SB_AT_RATE_TIME_TO_EMPTY 0x06 +#define SB_AT_RATE_OK 0x07 +#define SB_TEMPERATURE 0x08 +#define SB_VOLTAGE 0x09 +#define SB_CURRENT 0x0a +#define SB_AVERAGE_CURRENT 0x0b +#define SB_MAX_ERROR 0x0c +#define SB_RELATIVE_STATE_OF_CHARGE 0x0d +#define SB_ABSOLUTE_STATE_OF_CHARGE 0x0e +#define SB_REMAINING_CAPACITY 0x0f +#define SB_FULL_CHARGE_CAPACITY 0x10 +#define SB_RUN_TIME_TO_EMPTY 0x11 +#define SB_AVERAGE_TIME_TO_EMPTY 0x12 +#define SB_AVERAGE_TIME_TO_FULL 0x13 +#define SB_CHARGING_CURRENT 0x14 +#define SB_CHARGING_VOLTAGE 0x15 +#define SB_BATTERY_STATUS 0x16 +#define SB_CYCLE_COUNT 0x17 +#define SB_DESIGN_CAPACITY 0x18 +#define SB_DESIGN_VOLTAGE 0x19 +#define SB_SPECIFICATION_INFO 0x1a +#define SB_MANUFACTURER_DATE 0x1b +#define SB_SERIAL_NUMBER 0x1c +#define SB_MANUFACTURER_NAME 0x20 +#define SB_DEVICE_NAME 0x21 +#define SB_DEVICE_CHEMISTRY 0x22 +#define SB_MANUFACTURER_DATA 0x23 + +/* Battery mode */ +#define MODE_INTERNAL_CHARGE_CONTROLLER (1 << 0) +#define MODE_PRIMARY_BATTERY_SUPPORT (1 << 1) +#define MODE_CONDITION_CYCLE (1 << 7) +#define MODE_CHARGE_CONTROLLER_ENABLED (1 << 8) +#define MODE_PRIMARY_BATTERY (1 << 9) +#define MODE_ALARM (1 << 13) +#define MODE_CHARGER (1 << 14) +#define MODE_CAPACITY (1 << 15) + +/* Battery status */ +#define STATUS_ERR_CODE_MASK 0xf +#define STATUS_CODE_OK 0 +#define STATUS_CODE_BUSY 1 +#define STATUS_CODE_RESERVED 2 +#define STATUS_CODE_UNSUPPORTED 3 +#define STATUS_CODE_ACCESS_DENIED 4 +#define STATUS_CODE_OVERUNDERFLOW 5 +#define STATUS_CODE_BADSIZE 6 +#define STATUS_CODE_UNKNOWN_ERROR 7 +#define STATUS_FULLY_DISCHARGED (1 << 4) +#define STATUS_FULLY_CHARGED (1 << 5) +#define STATUS_DISCHARGING (1 << 6) +#define STATUS_INITIALIZING (1 << 7) +#define STATUS_REMAINING_TIME_ALARM (1 << 8) +#define STATUS_REMAINING_CAPACITY_ALARM (1 << 9) +#define STATUS_TERMINATE_DISCHARGE_ALARM (1 << 11) +#define STATUS_OVERTEMP_ALARM (1 << 12) +#define STATUS_TERMINATE_CHARGE_ALARM (1 << 14) +#define STATUS_OVERCHARGED_ALARM (1 << 15) + +/* Charger alarm warning */ +#define ALARM_OVER_CHARGED 0x8000 +#define ALARM_TERMINATE_CHARGE 0x4000 +#define ALARM_RESERVED_2000 0x2000 +#define ALARM_OVER_TEMP 0x1000 +#define ALARM_TERMINATE_DISCHARGE 0x0800 +#define ALARM_RESERVED_0400 0x0400 +#define ALARM_REMAINING_CAPACITY 0x0200 +#define ALARM_REMAINING_TIME 0x0100 +#define ALARM_STATUS_INITIALIZE 0x0080 +#define ALARM_STATUS_DISCHARGING 0x0040 +#define ALARM_STATUS_FULLY_CHARGED 0x0020 +#define ALARM_STATUS_FULLY_DISCHARGED 0x0010 +/* Charge mode */ +#define CHARGE_FLAG_INHIBIT_CHARGE (1 << 0) +#define CHARGE_FLAG_ENABLE_POLLING (1 << 1) +#define CHARGE_FLAG_POR_RESET (1 << 2) +#define CHARGE_FLAG_RESET_TO_ZERO (1 << 3) +/* Charger status */ +#define CHARGER_CHARGE_INHIBITED (1 << 0) +#define CHARGER_POLLING_ENABLED (1 << 1) +#define CHARGER_VOLTAGE_NOTREG (1 << 2) +#define CHARGER_CURRENT_NOTREG (1 << 3) +#define CHARGER_LEVEL_2 (1 << 4) +#define CHARGER_LEVEL_3 (1 << 5) +#define CHARGER_CURRENT_OR (1 << 6) +#define CHARGER_VOLTAGE_OR (1 << 7) +#define CHARGER_RES_OR (1 << 8) +#define CHARGER_RES_COLD (1 << 9) +#define CHARGER_RES_HOT (1 << 10) +#define CHARGER_RES_UR (1 << 11) +#define CHARGER_ALARM_INHIBITED (1 << 12) +#define CHARGER_POWER_FAIL (1 << 13) +#define CHARGER_BATTERY_PRESENT (1 << 14) +#define CHARGER_AC_PRESENT (1 << 15) +/* Charger specification info */ +#define INFO_CHARGER_SPEC(INFO) ((INFO) & 0xf) +#define INFO_SELECTOR_SUPPORT(INFO) (((INFO) >> 4) & 1) + +/* Read from charger */ +int sbc_read(int cmd, int *param); + +/* Write to charger */ +int sbc_write(int cmd, int param); + +/* Read from battery */ +int sb_read(int cmd, int *param); + +/* Write to battery */ +int sb_write(int cmd, int param); + +#endif /* __CROS_EC_SMART_BATTERY_H */ + |