apm: Add Controller class to manage speed data and application

src/core/hle/service/apm/controller.h

@@ -0,0 +1,70 @@
+// Copyright 2019 yuzu emulator team
+// Licensed under GPLv2 or any later version
+// Refer to the license.txt file included.
+
+#pragma once
+
+#include <map>
+#include "common/common_types.h"
+
+namespace Core::Timing {
+class CoreTiming;
+}
+
+namespace Service::APM {
+
+enum class PerformanceConfiguration : u32 {
+    Config1 = 0x00010000,
+    Config2 = 0x00010001,
+    Config3 = 0x00010002,
+    Config4 = 0x00020000,
+    Config5 = 0x00020001,
+    Config6 = 0x00020002,
+    Config7 = 0x00020003,
+    Config8 = 0x00020004,
+    Config9 = 0x00020005,
+    Config10 = 0x00020006,
+    Config11 = 0x92220007,
+    Config12 = 0x92220008,
+    Config13 = 0x92220009,
+    Config14 = 0x9222000A,
+    Config15 = 0x9222000B,
+    Config16 = 0x9222000C,
+};
+
+enum class CpuBoostMode : u32 {
+    Disabled = 0,
+    Full = 1,    // CPU + GPU -> Config 13, 14, 15, or 16
+    Partial = 2, // GPU Only -> Config 15 or 16
+};
+
+enum class PerformanceMode : u8 {
+    Handheld = 0,
+    Docked = 1,
+};
+
+// Class to manage the state and change of the emulated system performance.
+// Specifically, this deals with PerformanceMode, which corresponds to the system being docked or
+// undocked, and PerformanceConfig which specifies the exact CPU, GPU, and Memory clocks to operate
+// at. Additionally, this manages 'Boost Mode', which allows games to temporarily overclock the
+// system during times of high load -- this simply maps to different PerformanceConfigs to use.
+class Controller {
+public:
+    Controller(Core::Timing::CoreTiming& core_timing);
+    ~Controller();
+
+    void SetPerformanceConfiguration(PerformanceMode mode, PerformanceConfiguration config);
+    void SetFromCpuBoostMode(CpuBoostMode mode);
+
+    PerformanceMode GetCurrentPerformanceMode();
+    PerformanceConfiguration GetCurrentPerformanceConfiguration(PerformanceMode mode);
+
+private:
+    void SetClockSpeed(u32 mhz);
+
+    std::map<PerformanceMode, PerformanceConfiguration> configs;
+
+    Core::Timing::CoreTiming& core_timing;
+};
+
+} // namespace Service::APM