1 files changed, 50 insertions, 0 deletions
diff --git a/src/core/hle/service/psc/time/power_state_request_manager.cpp b/src/core/hle/service/psc/time/power_state_request_manager.cpp
new file mode 100644
index 000000000..17de0bf4d
--- /dev/null
+++ b/src/core/hle/service/psc/time/power_state_request_manager.cpp
@@ -0,0 +1,50 @@
+// SPDX-FileCopyrightText: Copyright 2023 yuzu Emulator Project
+// SPDX-License-Identifier: GPL-2.0-or-later
+
+#include "core/core.h"
+#include "core/hle/service/psc/time/power_state_request_manager.h"
+
+namespace Service::PSC::Time {
+
+PowerStateRequestManager::PowerStateRequestManager(Core::System& system)
+    : m_system{system}, m_ctx{system, "Psc:PowerStateRequestManager"},
+      m_event{m_ctx.CreateEvent("Psc:PowerStateRequestManager:Event")} {}
+
+PowerStateRequestManager::~PowerStateRequestManager() {
+    m_ctx.CloseEvent(m_event);
+}
+
+void PowerStateRequestManager::UpdatePendingPowerStateRequestPriority(u32 priority) {
+    std::scoped_lock l{m_mutex};
+    if (m_has_pending_request) {
+        m_pending_request_priority = std::max(m_pending_request_priority, priority);
+    } else {
+        m_pending_request_priority = priority;
+        m_has_pending_request = true;
+    }
+}
+
+void PowerStateRequestManager::SignalPowerStateRequestAvailability() {
+    std::scoped_lock l{m_mutex};
+    if (m_has_pending_request) {
+        if (!m_has_available_request) {
+            m_has_available_request = true;
+        }
+        m_has_pending_request = false;
+        m_available_request_priority = m_pending_request_priority;
+        m_event->Signal();
+    }
+}
+
+bool PowerStateRequestManager::GetAndClearPowerStateRequest(u32& out_priority) {
+    std::scoped_lock l{m_mutex};
+    auto had_request{m_has_available_request};
+    if (m_has_available_request) {
+        out_priority = m_available_request_priority;
+        m_has_available_request = false;
+        m_event->Clear();
+    }
+    return had_request;
+}
+
+} // namespace Service::PSC::Time