132 lines
3.2 KiB
C
132 lines
3.2 KiB
C
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/* Copyright 2019 The Chromium OS Authors. All rights reserved.
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* Use of this source code is governed by a BSD-style license that can be
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* found in the LICENSE file.
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*/
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#include "battery.h"
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#include "battery_fuel_gauge.h"
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#include "charge_state.h"
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#include "charger_mt6370.h"
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#include "console.h"
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#include "driver/charger/rt946x.h"
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#include "gpio.h"
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#include "power.h"
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#include "usb_pd.h"
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#include "util.h"
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#define CPRINTS(format, args...) cprints(CC_CHARGER, format, ## args)
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const struct board_batt_params board_battery_info[] = {
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[BATTERY_SIMPLO] = {
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.fuel_gauge = {
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.manuf_name = "SMP",
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.device_name = "L19M3PG0",
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.ship_mode = {
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.reg_addr = 0x34,
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.reg_data = { 0x0000, 0x1000 },
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},
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.fet = {
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.reg_addr = 0x34,
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.reg_mask = 0x0100,
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.disconnect_val = 0x0100,
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}
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},
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.batt_info = {
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.voltage_max = 4400,
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.voltage_normal = 3840,
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.voltage_min = 3000,
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.precharge_current = 256,
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.start_charging_min_c = 0,
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.start_charging_max_c = 45,
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.charging_min_c = 0,
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.charging_max_c = 60,
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.discharging_min_c = -20,
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.discharging_max_c = 60,
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},
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},
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[BATTERY_CELXPERT] = {
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.fuel_gauge = {
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.manuf_name = "Celxpert",
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.device_name = "L19C3PG0",
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.ship_mode = {
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.reg_addr = 0x34,
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.reg_data = { 0x0000, 0x1000 },
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},
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.fet = {
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.reg_addr = 0x34,
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.reg_mask = 0x0100,
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.disconnect_val = 0x0100,
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}
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},
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.batt_info = {
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.voltage_max = 4400,
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.voltage_normal = 3840,
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.voltage_min = 3000,
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.precharge_current = 256,
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.start_charging_min_c = 0,
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.start_charging_max_c = 45,
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.charging_min_c = 0,
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.charging_max_c = 60,
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.discharging_min_c = -20,
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.discharging_max_c = 60,
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},
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},
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};
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BUILD_ASSERT(ARRAY_SIZE(board_battery_info) == BATTERY_TYPE_COUNT);
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const enum battery_type DEFAULT_BATTERY_TYPE = BATTERY_SIMPLO;
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enum battery_present battery_hw_present(void)
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{
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return gpio_get_level(GPIO_EC_BATT_PRES_ODL) ? BP_NO : BP_YES;
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}
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int charger_profile_override(struct charge_state_data *curr)
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{
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#ifdef VARIANT_KUKUI_CHARGER_MT6370
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mt6370_charger_profile_override(curr);
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#endif /* CONFIG_CHARGER_MT6370 */
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if (IS_ENABLED(CONFIG_CHARGER_MAINTAIN_VBAT)) {
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/* Turn charger off if it's not needed */
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if (curr->state == ST_IDLE || curr->state == ST_DISCHARGE) {
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curr->requested_voltage = 0;
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curr->requested_current = 0;
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}
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if (!curr->batt.is_present &&
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curr->requested_voltage == 0 &&
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curr->requested_current == 0) {
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const struct battery_info *batt_info =
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battery_get_info();
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/*
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* b/138978212: With adapter plugged in S0, the system
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* will set charging current and voltage as 0V/0A once
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* removing battery. Vsys drop to lower voltage
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* (Vsys < 2.5V) since Vsys's loading, then system will
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* shutdown. Keep max charging voltage as 4.4V when
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* remove battery in S0 to not let the system to trigger
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* under voltage (Vsys < 2.5V).
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*/
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CPRINTS("battery disconnected");
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curr->requested_voltage = batt_info->voltage_max;
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curr->requested_current = 500;
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}
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}
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return 0;
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}
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enum ec_status charger_profile_override_get_param(uint32_t param,
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uint32_t *value)
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{
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return EC_RES_INVALID_PARAM;
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}
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enum ec_status charger_profile_override_set_param(uint32_t param,
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uint32_t value)
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{
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return EC_RES_INVALID_PARAM;
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}
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