diff options
Diffstat (limited to 'board/kodama/battery.c')
| -rw-r--r-- | board/kodama/battery.c | 165 |
1 files changed, 0 insertions, 165 deletions
diff --git a/board/kodama/battery.c b/board/kodama/battery.c deleted file mode 100644 index e64e0c167a..0000000000 --- a/board/kodama/battery.c +++ /dev/null @@ -1,165 +0,0 @@ -/* Copyright 2019 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 "battery_fuel_gauge.h" -#include "charge_state.h" -#include "charger_mt6370.h" -#include "console.h" -#include "driver/charger/rt946x.h" -#include "gpio.h" -#include "power.h" -#include "usb_pd.h" -#include "util.h" - -#define CPRINTS(format, args...) cprints(CC_CHARGER, format, ## args) - -const struct board_batt_params board_battery_info[] = { - [BATTERY_SIMPLO] = { - .fuel_gauge = { - .manuf_name = "SMP", - .device_name = "L19M3PG0", - .ship_mode = { - .reg_addr = 0x34, - .reg_data = { 0x0000, 0x1000 }, - }, - .fet = { - .reg_addr = 0x34, - .reg_mask = 0x0100, - .disconnect_val = 0x0100, - } - }, - .batt_info = { - .voltage_max = 4400, - .voltage_normal = 3840, - .voltage_min = 3000, - .precharge_current = 256, - .start_charging_min_c = 0, - .start_charging_max_c = 45, - .charging_min_c = 0, - .charging_max_c = 60, - .discharging_min_c = -20, - .discharging_max_c = 60, - }, - }, - [BATTERY_CELXPERT] = { - .fuel_gauge = { - .manuf_name = "Celxpert", - .device_name = "L19C3PG0", - .ship_mode = { - .reg_addr = 0x34, - .reg_data = { 0x0000, 0x1000 }, - }, - .fet = { - .reg_addr = 0x34, - .reg_mask = 0x0100, - .disconnect_val = 0x0100, - } - }, - .batt_info = { - .voltage_max = 4400, - .voltage_normal = 3840, - .voltage_min = 2800, - .precharge_current = 404, - .start_charging_min_c = 0, - .start_charging_max_c = 45, - .charging_min_c = 0, - .charging_max_c = 60, - .discharging_min_c = -20, - .discharging_max_c = 60, - }, - }, -}; -BUILD_ASSERT(ARRAY_SIZE(board_battery_info) == BATTERY_TYPE_COUNT); - -const enum battery_type DEFAULT_BATTERY_TYPE = BATTERY_SIMPLO; - -enum battery_present battery_hw_present(void) -{ - return gpio_get_level(GPIO_EC_BATT_PRES_ODL) ? BP_NO : BP_YES; -} - -int charger_profile_override(struct charge_state_data *curr) -{ - const struct battery_info *batt_info = battery_get_info(); - static int normal_charge_lock, over_discharge_lock; - /* battery temp in 0.1 deg C */ - int bat_temp_c = curr->batt.temperature - 2731; - - /* - * SMP battery uses HW pre-charge circuit and pre-charge current is - * limited to ~50mA. Once the charge current is lower than IEOC level - * within CHG_TEDG_EOC, and TE is enabled, the charging power path will - * be turned off. Disable EOC and TE when battery stays over discharge - * state, otherwise enable EOC and TE. - */ - if (curr->batt.voltage < batt_info->voltage_min) { - normal_charge_lock = 0; - - if (!over_discharge_lock && curr->state == ST_CHARGE) { - over_discharge_lock = 1; - rt946x_enable_charge_eoc(0); - rt946x_enable_charge_termination(0); - } - } else { - over_discharge_lock = 0; - - if (!normal_charge_lock) { - normal_charge_lock = 1; - rt946x_enable_charge_eoc(1); - rt946x_enable_charge_termination(1); - } - } - - /* - * When smart battery temperature is more than 45 deg C, the max - * charging voltage is 4100mV. - */ - if (curr->state == ST_CHARGE && bat_temp_c >= 450) - curr->requested_voltage = 4100; - -#ifdef VARIANT_KUKUI_CHARGER_MT6370 - mt6370_charger_profile_override(curr); -#endif /* CONFIG_CHARGER_MT6370 */ - - if (IS_ENABLED(CONFIG_CHARGER_MAINTAIN_VBAT)) { - /* Turn charger off if it's not needed */ - if (curr->state == ST_IDLE || curr->state == ST_DISCHARGE) { - curr->requested_voltage = 0; - curr->requested_current = 0; - } - - if (!curr->batt.is_present && - curr->requested_voltage == 0 && - curr->requested_current == 0) { - /* - * b/138978212: With adapter plugged in S0, the system - * will set charging current and voltage as 0V/0A once - * removing battery. Vsys drop to lower voltage - * (Vsys < 2.5V) since Vsys's loading, then system will - * shutdown. Keep max charging voltage as 4.4V when - * remove battery in S0 to not let the system to trigger - * under voltage (Vsys < 2.5V). - */ - CPRINTS("battery disconnected"); - curr->requested_voltage = batt_info->voltage_max; - curr->requested_current = 500; - } - } - - return 0; -} - -enum ec_status charger_profile_override_get_param(uint32_t param, - uint32_t *value) -{ - return EC_RES_INVALID_PARAM; -} - -enum ec_status charger_profile_override_set_param(uint32_t param, - uint32_t value) -{ - return EC_RES_INVALID_PARAM; -} |