ams-mtc: add ams-mtc

2025-11-09 15:44:33 -05:00
parent ac42e7af43
commit a76c2b33b6
3765 changed files with 568544 additions and 16 deletions
--- a/Source/Atmosphere-MTC-Unlock/stratosphere/boot/source/boot_pmic_driver.cpp
+++ b/Source/Atmosphere-MTC-Unlock/stratosphere/boot/source/boot_pmic_driver.cpp
@@ -0,0 +1,123 @@
+/*
+ * Copyright (c) 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_i2c_utils.hpp"
+#include "boot_pmic_driver.hpp"
+
+namespace ams::boot {
+
+    void PmicDriver::ShutdownSystem() {
+        this->ShutdownSystem(false);
+    }
+
+    void PmicDriver::RebootSystem() {
+        this->ShutdownSystem(true);
+    }
+
+    Result PmicDriver::GetAcOk(bool *out) {
+        u8 power_status;
+        R_TRY(this->GetPowerStatus(std::addressof(power_status)));
+        *out = (power_status & 0x02) != 0;
+        R_SUCCEED();
+    }
+
+    Result PmicDriver::GetOnOffIrq(u8 *out) {
+        const u8 addr = 0x0B;
+        R_RETURN(ReadI2cRegister(m_i2c_session, out, sizeof(*out), std::addressof(addr), sizeof(addr)));
+    }
+
+    Result PmicDriver::GetPowerStatus(u8 *out) {
+        const u8 addr = 0x15;
+        R_RETURN(ReadI2cRegister(m_i2c_session, out, sizeof(*out), std::addressof(addr), sizeof(addr)));
+    }
+
+    Result PmicDriver::GetNvErc(u8 *out) {
+        const u8 addr = 0x0C;
+        R_RETURN(ReadI2cRegister(m_i2c_session, out, sizeof(*out), std::addressof(addr), sizeof(addr)));
+    }
+
+    Result PmicDriver::GetPowerButtonPressed(bool *out) {
+        u8 on_off_irq;
+        R_TRY(this->GetOnOffIrq(std::addressof(on_off_irq)));
+        *out = (on_off_irq & 0x08) != 0;
+        R_SUCCEED();
+    }
+
+    void PmicDriver::ShutdownSystem(bool reboot) {
+        const u8 on_off_1_addr = 0x41;
+        const u8 on_off_2_addr = 0x42;
+
+        /* Get value, set or clear software reset mask. */
+        u8 on_off_2_val = 0;
+        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)));
+        if (reboot) {
+            on_off_2_val |= 0x80;
+        } else {
+            on_off_2_val &= ~0x80;
+        }
+        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)));
+
+        /* Get value, set software reset mask. */
+        u8 on_off_1_val = 0;
+        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)));
+        on_off_1_val |= 0x80;
+
+        /* Finalize the battery on non-Calcio. */
+        if (spl::GetHardwareType() != spl::HardwareType::Calcio) {
+            BatteryDriver battery_driver;
+            this->FinalizeBattery(battery_driver);
+        }
+
+        /* Actually write the value to trigger shutdown/reset. */
+        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)));
+
+        /* Allow up to 5 seconds for shutdown/reboot to take place. */
+        os::SleepThread(TimeSpan::FromSeconds(5));
+        AMS_ABORT("Shutdown failed");
+    }
+
+    void PmicDriver::FinalizeBattery(BatteryDriver &battery_driver) {
+        /* Get whether shutdown is enabled. */
+        bool shutdown_enabled;
+        if (R_FAILED(battery_driver.IsI2cShutdownEnabled(std::addressof(shutdown_enabled)))) {
+            return;
+        }
+
+        /* On Hoag, we don't want to use the desired shutdown value when battery charged. */
+        bool use_desired_shutdown = true;
+        if (spl::GetHardwareType() == spl::HardwareType::Hoag) {
+            float battery_charge_raw;
+            if (R_FAILED(battery_driver.GetChargePercentage(std::addressof(battery_charge_raw))) || battery_charge_raw >= 80.0) {
+                use_desired_shutdown = false;
+            }
+        }
+
+        bool ac_ok;
+        bool desired_shutdown_enabled;
+        if (R_FAILED(this->GetAcOk(&ac_ok)) || ac_ok) {
+            desired_shutdown_enabled = false;
+        } else {
+            desired_shutdown_enabled = true;
+        }
+
+        desired_shutdown_enabled &= use_desired_shutdown;
+
+        if (shutdown_enabled != desired_shutdown_enabled) {
+            battery_driver.SetI2cShutdownEnabled(desired_shutdown_enabled);
+        }
+    }
+
+}