Atmosphere/stratosphere/boot/source/boot_charger_driver.cpp

135 lines
5.3 KiB
C++

/*
* Copyright (c) 2018-2020 Atmosphère-NX
*
* This program is free software; you can redistribute it and/or modify it
* under the terms and conditions of the GNU General Public License,
* version 2, as published by the Free Software Foundation.
*
* This program is distributed in the hope it will be useful, but WITHOUT
* ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or
* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License for
* more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stratosphere.hpp>
#include "boot_charger_driver.hpp"
namespace ams::boot {
Result ChargerDriver::Read(u8 addr, u8 *out) {
return ReadI2cRegister(this->i2c_session, reinterpret_cast<u8 *>(out), sizeof(*out), &addr, sizeof(addr));
}
Result ChargerDriver::Write(u8 addr, u8 val) {
return WriteI2cRegister(this->i2c_session, reinterpret_cast<u8 *>(&val), sizeof(val), &addr, sizeof(addr));
}
Result ChargerDriver::ReadWrite(u8 addr, u8 mask, u8 val) {
u8 cur_val;
R_TRY(this->Read(addr, &cur_val));
const u8 new_val = (cur_val & ~mask) | val;
R_TRY(this->Write(addr, new_val));
return ResultSuccess();
}
Result ChargerDriver::Initialize() {
return this->Initialize(true);
}
Result ChargerDriver::Initialize(bool set_input_current_limit) {
if (set_input_current_limit) {
R_TRY(this->SetInputCurrentLimit(bq24193::InputCurrentLimit_500mA));
}
R_TRY(this->SetChargeVoltageLimit(4208));
R_TRY(this->SetFastChargeCurrentLimit(512));
R_TRY(this->SetForce20PercentChargeCurrent(false));
R_TRY(this->SetPreChargeCurrentLimit(128));
R_TRY(this->SetTerminationCurrentLimit(128));
R_TRY(this->SetMinimumSystemVoltageLimit(3000));
R_TRY(this->SetWatchdogTimerSetting(bq24193::WatchdogTimerSetting_Disabled));
R_TRY(this->SetChargingSafetyTimerEnabled(false));
R_TRY(this->ResetWatchdogTimer());
R_TRY(this->SetBoostModeCurrentLimit(bq24193::BoostModeCurrentLimit_500mA));
R_TRY(this->SetHiZEnabled(false));
return ResultSuccess();
}
Result ChargerDriver::SetChargeEnabled(bool enabled) {
/* TODO */
AMS_ABORT();
/* boot::gpio::SetValue(GpioPadName_Bq24193Charger, enabled ? GpioValue_Low : GpioValue_High); */
return this->SetChargerConfiguration(bq24193::ChargerConfiguration_ChargeBattery);
}
Result ChargerDriver::SetChargerConfiguration(bq24193::ChargerConfiguration config) {
return this->ReadWrite(bq24193::PowerOnConfiguration, 0x30, config);
}
Result ChargerDriver::SetChargeVoltageLimit(u32 voltage) {
return this->ReadWrite(bq24193::ChargeVoltageControl, 0xFC, bq24193::EncodeChargeVoltageLimit(voltage));
}
Result ChargerDriver::SetFastChargeCurrentLimit(u32 current) {
return this->ReadWrite(bq24193::ChargeCurrentControl, 0xFC, bq24193::EncodeFastChargeCurrentLimit(current));
}
Result ChargerDriver::SetInputCurrentLimit(bq24193::InputCurrentLimit current) {
return this->ReadWrite(bq24193::InputSourceControl, 0x07, current);
}
Result ChargerDriver::SetForce20PercentChargeCurrent(bool force) {
return this->ReadWrite(bq24193::ChargeCurrentControl, 0x01, force ? 1 : 0);
}
Result ChargerDriver::SetPreChargeCurrentLimit(u32 current) {
return this->ReadWrite(bq24193::PreChargeTerminationCurrentControl, 0xF0, bq24193::EncodePreChargeCurrentLimit(current));
}
Result ChargerDriver::SetTerminationCurrentLimit(u32 current) {
return this->ReadWrite(bq24193::PreChargeTerminationCurrentControl, 0x0F, bq24193::EncodeTerminationCurrentLimit(current));
}
Result ChargerDriver::SetMinimumSystemVoltageLimit(u32 voltage) {
return this->ReadWrite(bq24193::PowerOnConfiguration, 0x0E, bq24193::EncodeMinimumSystemVoltageLimit(voltage));
}
Result ChargerDriver::SetWatchdogTimerSetting(bq24193::WatchdogTimerSetting setting) {
return this->ReadWrite(bq24193::ChargeTerminationTimerControl, 0x30, setting);
}
Result ChargerDriver::SetChargingSafetyTimerEnabled(bool enabled) {
return this->ReadWrite(bq24193::ChargeTerminationTimerControl, 0x08, enabled ? 0x08 : 0);
}
Result ChargerDriver::ResetWatchdogTimer() {
return this->ReadWrite(bq24193::PowerOnConfiguration, 0x40, 0x40);
}
Result ChargerDriver::SetBoostModeCurrentLimit(bq24193::BoostModeCurrentLimit current) {
return this->ReadWrite(bq24193::PowerOnConfiguration, 0x01, current);
}
Result ChargerDriver::SetHiZEnabled(bool enabled) {
return this->ReadWrite(bq24193::InputSourceControl, 0x80, enabled ? 0x80 : 0);
}
Result ChargerDriver::GetInputCurrentLimit(bq24193::InputCurrentLimit *out) {
u8 limit;
R_TRY(this->Read(bq24193::InputSourceControl, &limit));
*out = static_cast<bq24193::InputCurrentLimit>(limit);
return ResultSuccess();
}
Result ChargerDriver::GetChargeVoltageLimit(u32 *out) {
u8 reg;
R_TRY(this->Read(bq24193::ChargeVoltageControl, &reg));
*out = bq24193::DecodeChargeVoltageLimit(reg);
return ResultSuccess();
}
}