mirror of
https://github.com/Atmosphere-NX/Atmosphere
synced 2024-12-22 12:21:18 +00:00
123 lines
4.5 KiB
C++
123 lines
4.5 KiB
C++
/*
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* Copyright (c) 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_i2c_utils.hpp"
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#include "boot_pmic_driver.hpp"
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namespace ams::boot {
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void PmicDriver::ShutdownSystem() {
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this->ShutdownSystem(false);
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}
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void PmicDriver::RebootSystem() {
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this->ShutdownSystem(true);
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}
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Result PmicDriver::GetAcOk(bool *out) {
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u8 power_status;
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R_TRY(this->GetPowerStatus(std::addressof(power_status)));
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*out = (power_status & 0x02) != 0;
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R_SUCCEED();
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}
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Result PmicDriver::GetOnOffIrq(u8 *out) {
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const u8 addr = 0x0B;
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R_RETURN(ReadI2cRegister(m_i2c_session, out, sizeof(*out), std::addressof(addr), sizeof(addr)));
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}
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Result PmicDriver::GetPowerStatus(u8 *out) {
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const u8 addr = 0x15;
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R_RETURN(ReadI2cRegister(m_i2c_session, out, sizeof(*out), std::addressof(addr), sizeof(addr)));
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}
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Result PmicDriver::GetNvErc(u8 *out) {
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const u8 addr = 0x0C;
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R_RETURN(ReadI2cRegister(m_i2c_session, out, sizeof(*out), std::addressof(addr), sizeof(addr)));
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}
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Result PmicDriver::GetPowerButtonPressed(bool *out) {
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u8 on_off_irq;
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R_TRY(this->GetOnOffIrq(std::addressof(on_off_irq)));
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*out = (on_off_irq & 0x08) != 0;
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R_SUCCEED();
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}
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void PmicDriver::ShutdownSystem(bool reboot) {
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const u8 on_off_1_addr = 0x41;
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const u8 on_off_2_addr = 0x42;
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/* Get value, set or clear software reset mask. */
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u8 on_off_2_val = 0;
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R_ABORT_UNLESS(ReadI2cRegister(m_i2c_session, std::addressof(on_off_2_val), sizeof(on_off_2_val), std::addressof(on_off_2_addr), sizeof(on_off_2_addr)));
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if (reboot) {
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on_off_2_val |= 0x80;
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} else {
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on_off_2_val &= ~0x80;
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}
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R_ABORT_UNLESS(WriteI2cRegister(m_i2c_session, std::addressof(on_off_2_val), sizeof(on_off_2_val), std::addressof(on_off_2_addr), sizeof(on_off_2_addr)));
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/* Get value, set software reset mask. */
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u8 on_off_1_val = 0;
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R_ABORT_UNLESS(ReadI2cRegister(m_i2c_session, std::addressof(on_off_1_val), sizeof(on_off_1_val), std::addressof(on_off_1_addr), sizeof(on_off_1_addr)));
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on_off_1_val |= 0x80;
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/* Finalize the battery on non-Calcio. */
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if (spl::GetHardwareType() != spl::HardwareType::Calcio) {
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BatteryDriver battery_driver;
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this->FinalizeBattery(battery_driver);
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}
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/* Actually write the value to trigger shutdown/reset. */
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R_ABORT_UNLESS(WriteI2cRegister(m_i2c_session, std::addressof(on_off_1_val), sizeof(on_off_1_val), std::addressof(on_off_1_addr), sizeof(on_off_1_addr)));
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/* Allow up to 5 seconds for shutdown/reboot to take place. */
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os::SleepThread(TimeSpan::FromSeconds(5));
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AMS_ABORT("Shutdown failed");
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}
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void PmicDriver::FinalizeBattery(BatteryDriver &battery_driver) {
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/* Get whether shutdown is enabled. */
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bool shutdown_enabled;
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if (R_FAILED(battery_driver.IsI2cShutdownEnabled(std::addressof(shutdown_enabled)))) {
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return;
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}
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/* On Hoag, we don't want to use the desired shutdown value when battery charged. */
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bool use_desired_shutdown = true;
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if (spl::GetHardwareType() == spl::HardwareType::Hoag) {
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float battery_charge_raw;
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if (R_FAILED(battery_driver.GetChargePercentage(std::addressof(battery_charge_raw))) || battery_charge_raw >= 80.0) {
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use_desired_shutdown = false;
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}
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}
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bool ac_ok;
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bool desired_shutdown_enabled;
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if (R_FAILED(this->GetAcOk(&ac_ok)) || ac_ok) {
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desired_shutdown_enabled = false;
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} else {
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desired_shutdown_enabled = true;
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}
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desired_shutdown_enabled &= use_desired_shutdown;
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if (shutdown_enabled != desired_shutdown_enabled) {
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battery_driver.SetI2cShutdownEnabled(desired_shutdown_enabled);
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}
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}
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}
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