- IPC service for handling ReverseNX-RT communication, reducing I/O requests

- Set config for "Auto CPU Boost"/"Sync ReverseNX Mode" in overlay

- Apply hardened freq cap to handheld mode (CPU@1963MHz, GPU@921MHz)

Source/sys-clk-OC/common/include/sysclk/client/ipc.h

@@ -30,6 +30,7 @@ Result sysclkIpcGetProfiles(u64 tid, SysClkTitleProfileList* out_profiles);
 Result sysclkIpcSetProfiles(u64 tid, SysClkTitleProfileList* profiles);
 Result sysclkIpcGetConfigValues(SysClkConfigValueList* out_configValues);
 Result sysclkIpcSetConfigValues(SysClkConfigValueList* configValues);
+Result sysclkIpcSetReverseNXRTMode(ReverseNXMode mode);
 
 static inline Result sysclkIpcRemoveOverride(SysClkModule module)
 {

Source/sys-clk-OC/common/include/sysclk/clocks.h

@@ -57,6 +57,7 @@ typedef enum
     ReverseNX_SystemDefault = 0,
     ReverseNX_NotFound = 0,
     ReverseNX_NotValid = 0,
+    ReverseNX_GotValue = 0,
     ReverseNX_Handheld,
     ReverseNX_Docked,
     ReverseNX_RTResetToDefault,
@@ -65,11 +66,7 @@ typedef enum
 typedef struct
 {
     bool systemCoreBoostCPU;
-    bool systemCoreCheckStuck;
-
-    ReverseNXMode  reverseNXMode;
-
-    uint64_t tickWaitTimeMs;
+    ReverseNXMode reverseNXMode;
     uint32_t maxMEMFreq;
 } SysClkOcExtra;
 
@@ -81,7 +78,9 @@ typedef struct
     };
 } SysClkTitleProfileList;
 
-#define SYSCLK_GPU_HANDHELD_MAX_HZ 1267200000
+#define SYSCLK_CPU_HANDHELD_MAX_HZ      1963500000
+#define SYSCLK_GPU_HANDHELD_MAX_HZ      921600000
+#define SYSCLK_GPU_CHARGING_USB_MAX_HZ  1267200000
 
 extern uint32_t sysclk_g_freq_table_mem_hz[];
 extern uint32_t sysclk_g_freq_table_cpu_hz[];

Source/sys-clk-OC/common/include/sysclk/config.h

@@ -17,6 +17,8 @@ typedef enum {
     SysClkConfigValue_PollingIntervalMs = 0,
     SysClkConfigValue_TempLogIntervalMs,
     SysClkConfigValue_CsvWriteIntervalMs,
+    SysClkConfigValue_AutoCPUBoost,
+    SysClkConfigValue_SyncReverseNXMode,
     SysClkConfigValue_EnumMax,
 } SysClkConfigValue;
 
@@ -34,6 +36,10 @@ static inline const char* sysclkFormatConfigValue(SysClkConfigValue val, bool pr
             return pretty ? "Temperature logging interval (ms)" : "temp_log_interval_ms";
         case SysClkConfigValue_CsvWriteIntervalMs:
             return pretty ? "CSV write interval (ms)" : "csv_write_interval_ms";
+        case SysClkConfigValue_AutoCPUBoost:
+            return pretty ? "Enable Auto CPU Boost" : "auto_cpu_boost";
+        case SysClkConfigValue_SyncReverseNXMode:
+            return pretty ? "Enable ReverseNX Mode Sync" : "sync_reversenx_mode";
         default:
             return NULL;
     }
@@ -44,10 +50,13 @@ static inline uint64_t sysclkDefaultConfigValue(SysClkConfigValue val)
     switch(val)
     {
         case SysClkConfigValue_PollingIntervalMs:
-            return 300ULL;
+            return 500ULL;
         case SysClkConfigValue_TempLogIntervalMs:
         case SysClkConfigValue_CsvWriteIntervalMs:
             return 0ULL;
+        case SysClkConfigValue_AutoCPUBoost:
+        case SysClkConfigValue_SyncReverseNXMode:
+            return 1ULL;
         default:
             return 0ULL;
     }
@@ -62,6 +71,9 @@ static inline uint64_t sysclkValidConfigValue(SysClkConfigValue val, uint64_t in
         case SysClkConfigValue_TempLogIntervalMs:
         case SysClkConfigValue_CsvWriteIntervalMs:
             return true;
+        case SysClkConfigValue_AutoCPUBoost:
+        case SysClkConfigValue_SyncReverseNXMode:
+            return (input & 0x1) == input;
         default:
             return false;
     }

Source/sys-clk-OC/common/include/sysclk/ipc.h

@@ -13,8 +13,8 @@
 #include <stdint.h>
 #include "clocks.h"
 
-#define SYSCLK_IPC_API_VERSION 0
-#define SYSCLK_IPC_SERVICE_NAME "sys:clk"
+#define SYSCLK_IPC_API_VERSION 1
+#define SYSCLK_IPC_SERVICE_NAME "sysclkOC"
 
 enum SysClkIpcCmd
 {
@@ -29,6 +29,7 @@ enum SysClkIpcCmd
     SysClkIpcCmd_SetOverride = 8,
     SysClkIpcCmd_GetConfigValues = 9,
     SysClkIpcCmd_SetConfigValues = 10,
+    SysClkIpcCmd_SetReverseNXRTMode = 11,
 };