boot: Implement DetectBootReason

stratosphere/boot/source/boot_pmic_driver.cpp

@@ -0,0 +1,63 @@
+/*
+ * Copyright (c) 2018-2019 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 <switch.h>
+#include <stratosphere.hpp>
+#include "boot_functions.hpp"
+#include "boot_pmic_driver.hpp"
+
+void PmicDriver::ShutdownSystem() {
+    if (R_FAILED(this->ShutdownSystem(false))) {
+        std::abort();
+    }
+}
+
+void PmicDriver::RebootSystem() {
+    if (R_FAILED(this->ShutdownSystem(true))) {
+        std::abort();
+    }
+}
+
+Result PmicDriver::GetAcOk(bool *out) {
+    u8 power_status;
+    Result rc = this->GetPowerStatus(&power_status);
+    if (R_FAILED(rc)) {
+        return rc;
+    }
+
+    *out = (power_status & 0x02) != 0;
+    return ResultSuccess;
+}
+
+Result PmicDriver::GetPowerIntr(u8 *out) {
+    const u8 addr = 0x0B;
+    return Boot::ReadI2cRegister(this->i2c_session, out, sizeof(*out), &addr, sizeof(addr));
+}
+
+Result PmicDriver::GetPowerStatus(u8 *out) {
+    const u8 addr = 0x15;
+    return Boot::ReadI2cRegister(this->i2c_session, out, sizeof(*out), &addr, sizeof(addr));
+}
+
+Result PmicDriver::GetNvErc(u8 *out) {
+    const u8 addr = 0x0C;
+    return Boot::ReadI2cRegister(this->i2c_session, out, sizeof(*out), &addr, sizeof(addr));
+}
+
+Result PmicDriver::ShutdownSystem(bool reboot) {
+    /* TODO: Implement this. */
+    std::abort();
+}