mirror of
https://github.com/Atmosphere-NX/Atmosphere.git
synced 2024-11-24 15:50:29 +01:00
531 lines
23 KiB
C++
531 lines
23 KiB
C++
/*
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* Copyright (c) 2018-2020 Atmosphère-NX
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*
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* This program is free software; you can redistribute it and/or modify it
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* under the terms and conditions of the GNU General Public License,
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* version 2, as published by the Free Software Foundation.
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*
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* This program is distributed in the hope it will be useful, but WITHOUT
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* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
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* more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program. If not, see <http://www.gnu.org/licenses/>.
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*/
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#include <stratosphere.hpp>
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#include "boot_check_battery.hpp"
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#include "boot_battery_icons.hpp"
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#include "boot_boot_reason.hpp"
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#include "boot_pmic_driver.hpp"
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#include "boot_battery_driver.hpp"
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#include "boot_charger_driver.hpp"
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#include "boot_power_utils.hpp"
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namespace ams::boot {
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namespace {
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/* Value definitions. */
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constexpr inline double BatteryLevelThresholdForBoot = 3.0;
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constexpr inline double BatteryLevelThresholdForFullCharge = 99.0;
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constexpr inline int BatteryVoltageThresholdConnected = 4000;
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constexpr inline int BatteryVoltageThresholdDisconnected = 3650;
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/* Types. */
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enum class CheckBatteryResult {
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Success,
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Shutdown,
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Reboot,
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};
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class BatteryChecker {
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private:
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boot::ChargerDriver &charger_driver;
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boot::BatteryDriver &battery_driver;
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const powctl::driver::impl::ChargeParameters &charge_parameters;
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powctl::driver::impl::ChargeArbiter charge_arbiter;
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powctl::ChargeCurrentState charge_current_state;
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int fast_charge_current_limit;
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int charge_voltage_limit;
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int battery_compensation;
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int voltage_clamp;
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TimeSpan charging_done_interval;
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bool has_start_time;
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TimeSpan start_time;
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private:
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bool IsChargeDone();
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void UpdateChargeDoneCurrent();
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void ApplyArbiterRule();
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void PrintBatteryStatus(float raw_charge, int voltage, int voltage_threshold);
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CheckBatteryResult LoopCheckBattery(bool reboot_on_power_button_press, bool return_on_enough_battery, bool shutdown_on_full_battery, bool show_display, bool show_charging_display);
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void UpdateStartTime() {
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/* Update start time. */
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this->start_time = os::ConvertToTimeSpan(os::GetSystemTick());
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this->has_start_time = true;
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}
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public:
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BatteryChecker(boot::ChargerDriver &cd, boot::BatteryDriver &bd, const powctl::driver::impl::ChargeParameters &cp, int cvl) : charger_driver(cd), battery_driver(bd), charge_parameters(cp), charge_arbiter(cp.rules, cp.num_rules, cvl), charging_done_interval(TimeSpan::FromSeconds(2)), has_start_time(false) {
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/* Get parameters from charger. */
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if (R_FAILED(this->charger_driver.GetChargeCurrentState(std::addressof(this->charge_current_state)))) {
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boot::ShutdownSystem();
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}
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if (R_FAILED(this->charger_driver.GetFastChargeCurrentLimit(std::addressof(this->fast_charge_current_limit)))) {
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boot::ShutdownSystem();
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}
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if (R_FAILED(this->charger_driver.GetChargeVoltageLimit(std::addressof(this->charge_voltage_limit)))) {
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boot::ShutdownSystem();
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}
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if (R_FAILED(this->charger_driver.GetBatteryCompensation(std::addressof(this->battery_compensation)))) {
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boot::ShutdownSystem();
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}
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if (R_FAILED(this->charger_driver.GetVoltageClamp(std::addressof(this->voltage_clamp)))) {
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boot::ShutdownSystem();
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}
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/* Update start time. */
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this->UpdateStartTime();
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}
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CheckBatteryResult LoopCheckBattery(spl::BootReason boot_reason) {
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if (boot_reason == spl::BootReason_RtcAlarm2) {
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/* RTC Alarm 2 boot (QuasiOff) */
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return this->LoopCheckBattery(true, false, true, false, false);
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} else if (boot_reason == spl::BootReason_AcOk) {
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/* ACOK boot */
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return this->LoopCheckBattery(true, true, false, true, true);
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} else {
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/* Normal boot */
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return this->LoopCheckBattery(false, true, false, true, false);
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}
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}
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void UpdateCharger();
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};
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void BatteryChecker::PrintBatteryStatus(float raw_charge, int voltage, int voltage_threshold) {
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/* TODO: Print charge/voltage/threshold. */
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AMS_UNUSED(raw_charge, voltage, voltage_threshold);
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/* Get various battery metrics. */
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int avg_current, current, open_circuit_voltage;
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float temp;
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if (R_FAILED(this->battery_driver.GetAverageCurrent(std::addressof(avg_current)))) {
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return;
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}
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if (R_FAILED(this->battery_driver.GetCurrent(std::addressof(current)))) {
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return;
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}
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if (R_FAILED(this->battery_driver.GetTemperature(std::addressof(temp)))) {
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return;
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}
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if (R_FAILED(this->battery_driver.GetOpenCircuitVoltage(std::addressof(open_circuit_voltage)))) {
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return;
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}
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/* TODO: Print the things we just got. */
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AMS_UNUSED(avg_current, current, temp, open_circuit_voltage);
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}
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bool BatteryChecker::IsChargeDone() {
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/* Get the charger status. */
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boot::ChargerStatus charger_status;
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if (R_FAILED(this->charger_driver.GetChargerStatus(std::addressof(charger_status)))) {
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boot::ShutdownSystem();
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}
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/* If charge status isn't done, we're not done. */
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if (charger_status != boot::ChargerStatus_ChargeTerminationDone) {
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return false;
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}
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/* Return whether a done current of zero is acceptable. */
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return this->charge_arbiter.IsBatteryDoneCurrentAcceptable(0);
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}
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void BatteryChecker::UpdateChargeDoneCurrent() {
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int done_current = 0;
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if (this->has_start_time && (os::ConvertToTimeSpan(os::GetSystemTick()) - this->start_time) >= this->charging_done_interval) {
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/* Get the current. */
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if (R_FAILED(this->battery_driver.GetCurrent(std::addressof(done_current)))) {
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boot::ShutdownSystem();
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}
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} else {
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/* Get the charger status. */
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boot::ChargerStatus charger_status;
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if (R_FAILED(this->charger_driver.GetChargerStatus(std::addressof(charger_status)))) {
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boot::ShutdownSystem();
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}
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/* If the charger status isn't done, don't update. */
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if (charger_status != boot::ChargerStatus_ChargeTerminationDone) {
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return;
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}
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}
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/* Update done current. */
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this->charge_arbiter.SetBatteryDoneCurrent(done_current);
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}
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void BatteryChecker::UpdateCharger() {
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/* Get the battery temperature. */
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float temp;
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if (R_FAILED(this->battery_driver.GetTemperature(std::addressof(temp)))) {
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boot::ShutdownSystem();
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}
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/* Update the temperature level. */
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powctl::BatteryTemperatureLevel temp_level;
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if (temp < static_cast<float>(this->charge_parameters.temp_min)) {
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temp_level = powctl::BatteryTemperatureLevel::TooLow;
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} else if (temp < static_cast<float>(this->charge_parameters.temp_low)) {
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temp_level = powctl::BatteryTemperatureLevel::Low;
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} else if (temp < static_cast<float>(this->charge_parameters.temp_high)) {
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temp_level = powctl::BatteryTemperatureLevel::Medium;
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} else if (temp < static_cast<float>(this->charge_parameters.temp_max)) {
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temp_level = powctl::BatteryTemperatureLevel::High;
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} else {
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temp_level = powctl::BatteryTemperatureLevel::TooHigh;
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}
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this->charge_arbiter.SetBatteryTemperatureLevel(temp_level);
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/* Update average voltage. */
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int avg_v_cell;
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if (R_FAILED(this->battery_driver.GetAverageVCell(std::addressof(avg_v_cell)))) {
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boot::ShutdownSystem();
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}
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this->charge_arbiter.SetBatteryAverageVCell(avg_v_cell);
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/* Update open circuit voltage. */
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int ocv;
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if (R_FAILED(this->battery_driver.GetOpenCircuitVoltage(std::addressof(ocv)))) {
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boot::ShutdownSystem();
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}
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this->charge_arbiter.SetBatteryOpenCircuitVoltage(ocv);
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/* Update charge done current. */
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this->UpdateChargeDoneCurrent();
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/* Update arbiter power state. */
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this->charge_arbiter.SetPowerState(powctl::PowerState::ShutdownChargeMain);
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/* Apply the newly selected rule. */
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this->ApplyArbiterRule();
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}
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void BatteryChecker::ApplyArbiterRule() {
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/* Get the selected rule. */
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const auto *rule = this->charge_arbiter.GetSelectedRule();
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AMS_ASSERT(rule != nullptr);
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/* Check if we need to perform charger initialization. */
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const bool reinit_charger = rule->reinitialize_charger;
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const auto cur_charge_current_state = this->charge_current_state;
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/* Set the charger to not charging while we make changes. */
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if (!reinit_charger || cur_charge_current_state != powctl::ChargeCurrentState_NotCharging) {
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if (R_FAILED(this->charger_driver.SetChargeCurrentState(powctl::ChargeCurrentState_NotCharging))) {
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boot::ShutdownSystem();
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}
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this->charge_current_state = powctl::ChargeCurrentState_NotCharging;
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/* Update start time. */
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this->UpdateStartTime();
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}
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/* Process fast charge current limit when rule is smaller. */
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const auto rule_fast_charge_current_limit = rule->fast_charge_current_limit;
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const auto cur_fast_charge_current_limit = this->fast_charge_current_limit;
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if (rule_fast_charge_current_limit < cur_fast_charge_current_limit) {
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if (R_FAILED(this->charger_driver.SetFastChargeCurrentLimit(rule_fast_charge_current_limit))) {
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boot::ShutdownSystem();
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}
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this->fast_charge_current_limit = rule_fast_charge_current_limit;
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/* Update start time. */
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this->UpdateStartTime();
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}
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/* Process charge voltage limit when rule is smaller. */
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const auto rule_charge_voltage_limit = std::min(rule->charge_voltage_limit, this->charge_arbiter.GetChargeVoltageLimit());
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const auto cur_charge_voltage_limit = this->charge_voltage_limit;
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if (rule_charge_voltage_limit < cur_charge_voltage_limit) {
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if (R_FAILED(this->charger_driver.SetChargeVoltageLimit(rule_charge_voltage_limit))) {
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boot::ShutdownSystem();
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}
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this->charge_voltage_limit = rule_charge_voltage_limit;
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/* Update start time. */
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this->UpdateStartTime();
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}
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/* Process battery compensation when rule is smaller. */
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const auto rule_battery_compensation = rule->battery_compensation;
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const auto cur_battery_compensation = this->battery_compensation;
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if (rule_battery_compensation < cur_battery_compensation) {
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if (R_FAILED(this->charger_driver.SetBatteryCompensation(rule_battery_compensation))) {
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boot::ShutdownSystem();
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}
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this->battery_compensation = rule_battery_compensation;
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/* Update start time. */
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this->UpdateStartTime();
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}
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/* Process voltage clamp when rule is smaller. */
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const auto rule_voltage_clamp = rule->voltage_clamp;
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const auto cur_voltage_clamp = this->voltage_clamp;
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if (rule_voltage_clamp < cur_voltage_clamp) {
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if (R_FAILED(this->charger_driver.SetVoltageClamp(rule_voltage_clamp))) {
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boot::ShutdownSystem();
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}
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this->voltage_clamp = rule_voltage_clamp;
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/* Update start time. */
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this->UpdateStartTime();
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}
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/* Process voltage clamp when rule is larger. */
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if (rule_voltage_clamp > cur_voltage_clamp) {
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if (R_FAILED(this->charger_driver.SetVoltageClamp(rule_voltage_clamp))) {
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boot::ShutdownSystem();
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}
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this->voltage_clamp = rule_voltage_clamp;
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/* Update start time. */
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this->UpdateStartTime();
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}
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/* Process battery compensation when rule is larger. */
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if (rule_battery_compensation > cur_battery_compensation) {
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if (R_FAILED(this->charger_driver.SetBatteryCompensation(rule_battery_compensation))) {
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boot::ShutdownSystem();
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}
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this->battery_compensation = rule_battery_compensation;
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/* Update start time. */
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this->UpdateStartTime();
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}
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/* Process fast charge current limit when rule is larger. */
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if (rule_fast_charge_current_limit > cur_fast_charge_current_limit) {
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if (R_FAILED(this->charger_driver.SetFastChargeCurrentLimit(rule_fast_charge_current_limit))) {
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boot::ShutdownSystem();
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}
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this->fast_charge_current_limit = rule_fast_charge_current_limit;
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/* Update start time. */
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this->UpdateStartTime();
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}
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/* Process charge voltage limit when rule is larger. */
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if (rule_charge_voltage_limit > cur_charge_voltage_limit) {
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if (R_FAILED(this->charger_driver.SetChargeVoltageLimit(rule_charge_voltage_limit))) {
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boot::ShutdownSystem();
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}
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this->charge_voltage_limit = rule_charge_voltage_limit;
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/* Update start time. */
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this->UpdateStartTime();
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}
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/* If we're not charging and we expect to reinitialize the charger, do so. */
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if (cur_charge_current_state != powctl::ChargeCurrentState_Charging && reinit_charger) {
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if (R_FAILED(this->charger_driver.SetChargeCurrentState(powctl::ChargeCurrentState_Charging))) {
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boot::ShutdownSystem();
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}
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this->charge_current_state = powctl::ChargeCurrentState_Charging;
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/* Update start time. */
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this->UpdateStartTime();
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}
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}
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CheckBatteryResult BatteryChecker::LoopCheckBattery(bool reboot_on_power_button_press, bool return_on_enough_battery, bool shutdown_on_full_battery, bool show_display, bool show_charging_display) {
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/* Ensure that if we show a charging icon, we stop showing it when we're done. */
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bool is_showing_charging_icon = false;
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ON_SCOPE_EXIT {
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if (is_showing_charging_icon) {
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boot::EndShowChargingIcon();
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is_showing_charging_icon = false;
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}
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};
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/* Show the charging display, if we should. */
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if (show_charging_display) {
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/* Get the raw battery charge. */
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float raw_battery_charge;
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if (R_FAILED(this->battery_driver.GetSocRep(std::addressof(raw_battery_charge)))) {
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return CheckBatteryResult::Shutdown;
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}
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/* Display the battery with the appropriate percentage. */
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const auto battery_charge = powctl::impl::ConvertBatteryChargePercentage(raw_battery_charge);
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boot::StartShowChargingIcon(battery_charge);
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is_showing_charging_icon = true;
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}
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/* Loop, checking the battery status. */
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TimeSpan last_progress_time = TimeSpan(0);
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while (true) {
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/* Get the raw battery charge. */
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float raw_battery_charge;
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if (R_FAILED(this->battery_driver.GetSocRep(std::addressof(raw_battery_charge)))) {
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return CheckBatteryResult::Shutdown;
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}
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/* Get the average vcell. */
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int battery_voltage;
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if (R_FAILED(this->battery_driver.GetAverageVCell(std::addressof(battery_voltage)))) {
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return CheckBatteryResult::Shutdown;
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}
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/* Get whether we're connected to charger. */
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bool ac_ok;
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if (R_FAILED((boot::PmicDriver().GetAcOk(std::addressof(ac_ok))))) {
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return CheckBatteryResult::Shutdown;
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}
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/* Decide on a battery voltage threshold. */
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const auto battery_voltage_threshold = ac_ok ? BatteryVoltageThresholdConnected : BatteryVoltageThresholdDisconnected;
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/* Check if we should return. */
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if (return_on_enough_battery) {
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if (raw_battery_charge >= BatteryLevelThresholdForBoot || battery_voltage >= battery_voltage_threshold) {
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this->PrintBatteryStatus(raw_battery_charge, battery_voltage, battery_voltage_threshold);
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return CheckBatteryResult::Success;
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}
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}
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/* Otherwise, check if we should shut down. */
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if (shutdown_on_full_battery) {
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if (raw_battery_charge >= BatteryLevelThresholdForFullCharge || this->IsChargeDone()) {
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return CheckBatteryResult::Shutdown;
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}
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}
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/* Perform periodic printing. */
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constexpr TimeSpan PrintProgressInterval = TimeSpan::FromSeconds(10);
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const auto cur_time = os::ConvertToTimeSpan(os::GetSystemTick());
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if ((cur_time - last_progress_time) >= PrintProgressInterval) {
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last_progress_time = cur_time;
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this->PrintBatteryStatus(raw_battery_charge, battery_voltage, battery_voltage_threshold);
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}
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/* If we've gotten to this point, we have insufficient battery to boot. If we aren't charging, show low battery and shutdown. */
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if (!ac_ok) {
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this->PrintBatteryStatus(raw_battery_charge, battery_voltage, battery_voltage_threshold);
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if (show_display && !is_showing_charging_icon) {
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boot::ShowLowBatteryIcon();
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}
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return CheckBatteryResult::Shutdown;
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}
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/* Check if we should reboot due to a power button press. */
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if (reboot_on_power_button_press) {
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/* Get the power button value. */
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bool power_button_pressed;
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if (R_FAILED((boot::PmicDriver().GetPowerButtonPressed(std::addressof(power_button_pressed))))) {
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return CheckBatteryResult::Shutdown;
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}
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/* Handle the press (or not). */
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if (power_button_pressed) {
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return CheckBatteryResult::Reboot;
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}
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}
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/* If we got to this point, we should show the low-battery charging screen. */
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if (show_display && !is_showing_charging_icon) {
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boot::StartShowLowBatteryChargingIcon();
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is_showing_charging_icon = true;
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}
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/* Wait a bit before checking again. */
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constexpr auto BatteryChargeCheckInterval = TimeSpan::FromMilliSeconds(20);
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os::SleepThread(BatteryChargeCheckInterval);
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/* Update the charger. */
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this->UpdateCharger();
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}
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}
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}
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void CheckBatteryCharge() {
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/* Open a sessions for the charger/battery. */
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boot::ChargerDriver charger_driver;
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boot::BatteryDriver battery_driver;
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/* Check if the battery is removed. */
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{
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bool removed = false;
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if (R_FAILED(battery_driver.IsBatteryRemoved(std::addressof(removed))) || removed) {
|
|
boot::ShutdownSystem();
|
|
}
|
|
}
|
|
|
|
/* Get the boot reason. */
|
|
const auto boot_reason = boot::GetBootReason();
|
|
|
|
/* Initialize the charger driver. */
|
|
if (R_FAILED(charger_driver.Initialize(boot_reason != spl::BootReason_RtcAlarm2)))
|
|
|
|
/* Check that the charger input limit is greater than 150 milli-amps. */
|
|
{
|
|
int input_current_limit_ma;
|
|
if (R_FAILED(charger_driver.GetInputCurrentLimit(std::addressof(input_current_limit_ma)))) {
|
|
boot::ShutdownSystem();
|
|
}
|
|
|
|
if (input_current_limit_ma <= 150) {
|
|
charger_driver.SetChargerConfiguration(powctl::ChargerConfiguration_ChargeDisable);
|
|
boot::ShutdownSystem();
|
|
}
|
|
}
|
|
|
|
/* Get the charge parameters. */
|
|
const auto &charge_parameters = powctl::driver::impl::GetChargeParameters();
|
|
|
|
/* Get the charge voltage limit. */
|
|
int charge_voltage_limit_mv;
|
|
if (boot_reason != spl::BootReason_RtcAlarm2) {
|
|
charge_voltage_limit_mv = charge_parameters.default_charge_voltage_limit;
|
|
} else {
|
|
if (R_FAILED(charger_driver.GetChargeVoltageLimit(std::addressof(charge_voltage_limit_mv)))) {
|
|
boot::ShutdownSystem();
|
|
}
|
|
}
|
|
|
|
/* Create and update a battery checker. */
|
|
BatteryChecker battery_checker(charger_driver, battery_driver, charge_parameters, charge_voltage_limit_mv);
|
|
battery_checker.UpdateCharger();
|
|
|
|
/* Set the display brightness to 25%. */
|
|
boot::SetDisplayBrightness(25);
|
|
|
|
/* Check the battery. */
|
|
const CheckBatteryResult check_result = battery_checker.LoopCheckBattery(boot_reason);
|
|
|
|
/* Set the display brightness to 100%. */
|
|
boot::SetDisplayBrightness(100);
|
|
|
|
/* Handle the check result. */
|
|
switch (check_result) {
|
|
case CheckBatteryResult::Success:
|
|
break;
|
|
case CheckBatteryResult::Shutdown:
|
|
boot::ShutdownSystem();
|
|
break;
|
|
case CheckBatteryResult::Reboot:
|
|
boot::RebootSystem();
|
|
break;
|
|
AMS_UNREACHABLE_DEFAULT_CASE();
|
|
}
|
|
}
|
|
|
|
}
|