clkrst: Stub/Implement IClkrstManager and IClkrstSession calls (#2692)

This PR stubs and implements some clkrst call because they are used to overclock the Switch hardware and it's pointless in our case as we emulate the system.
Everything was done checked by RE.

Fixes #2686

6 files changed, 220 insertions, 3 deletions

diff --git a/Ryujinx.Common/Logging/LogClass.cs b/Ryujinx.Common/Logging/LogClass.cs
index 30e3409d..ad27f88f 100644
--- a/Ryujinx.Common/Logging/LogClass.cs
+++ b/Ryujinx.Common/Logging/LogClass.cs
@@ -49,6 +49,7 @@ namespace Ryujinx.Common.Logging
         ServiceNv,
         ServiceOlsc,
         ServicePctl,
+        ServicePcv,
         ServicePl,
         ServicePrepo,
         ServicePsm,
diff --git a/Ryujinx.HLE/HOS/Services/Pcv/Clkrst/ClkrstManager/IClkrstSession.cs b/Ryujinx.HLE/HOS/Services/Pcv/Clkrst/ClkrstManager/IClkrstSession.cs
new file mode 100644
index 00000000..890c9ac9
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Services/Pcv/Clkrst/ClkrstManager/IClkrstSession.cs
@@ -0,0 +1,62 @@
+using Ryujinx.Common.Logging;
+using Ryujinx.HLE.HOS.Services.Pcv.Types;
+using System.Linq;
+
+namespace Ryujinx.HLE.HOS.Services.Pcv.Clkrst.ClkrstManager
+{
+    class IClkrstSession : IpcService
+    {
+        private DeviceCode _deviceCode;
+        private uint       _unknown;
+        private uint       _clockRate;
+
+        private DeviceCode[] allowedDeviceCodeTable = new DeviceCode[]
+        {
+            DeviceCode.Cpu,    DeviceCode.Gpu,      DeviceCode.Disp1,    DeviceCode.Disp2,
+            DeviceCode.Tsec,   DeviceCode.Mselect,  DeviceCode.Sor1,     DeviceCode.Host1x,
+            DeviceCode.Vic,    DeviceCode.Nvenc,    DeviceCode.Nvjpg,    DeviceCode.Nvdec,
+            DeviceCode.Ape,    DeviceCode.AudioDsp, DeviceCode.Emc,      DeviceCode.Dsi,
+            DeviceCode.SysBus, DeviceCode.XusbSs,   DeviceCode.XusbHost, DeviceCode.XusbDevice,
+            DeviceCode.Gpuaux, DeviceCode.Pcie,     DeviceCode.Apbdma,   DeviceCode.Sdmmc1, 
+            DeviceCode.Sdmmc2, DeviceCode.Sdmmc4
+        };
+
+        public IClkrstSession(DeviceCode deviceCode, uint unknown)
+        {
+            _deviceCode = deviceCode;
+            _unknown    = unknown;
+        }
+
+        [CommandHipc(7)]
+        // SetClockRate(u32 hz)
+        public ResultCode SetClockRate(ServiceCtx context)
+        {
+            if (!allowedDeviceCodeTable.Contains(_deviceCode))
+            {
+                return ResultCode.InvalidArgument;
+            }
+
+            _clockRate = context.RequestData.ReadUInt32();
+
+            Logger.Stub?.PrintStub(LogClass.ServicePcv, new { _clockRate });
+
+            return ResultCode.Success;
+        }
+
+        [CommandHipc(8)]
+        // GetClockRate() -> u32 hz
+        public ResultCode GetClockRate(ServiceCtx context)
+        {
+            if (!allowedDeviceCodeTable.Contains(_deviceCode))
+            {
+                return ResultCode.InvalidArgument;
+            }
+
+            context.ResponseData.Write(_clockRate);
+
+            Logger.Stub?.PrintStub(LogClass.ServicePcv, new { _clockRate });
+
+            return ResultCode.Success;
+        }
+    }
+}
\ No newline at end of file
diff --git a/Ryujinx.HLE/HOS/Services/Pcv/Clkrst/IClkrstManager.cs b/Ryujinx.HLE/HOS/Services/Pcv/Clkrst/IClkrstManager.cs
index a82e8a94..8c96c4ad 100644
--- a/Ryujinx.HLE/HOS/Services/Pcv/Clkrst/IClkrstManager.cs
+++ b/Ryujinx.HLE/HOS/Services/Pcv/Clkrst/IClkrstManager.cs
@@ -1,9 +1,57 @@
-namespace Ryujinx.HLE.HOS.Services.Pcv.Clkrst
+using Ryujinx.HLE.HOS.Ipc;
+using Ryujinx.HLE.HOS.Kernel.Common;
+using Ryujinx.HLE.HOS.Services.Pcv.Clkrst.ClkrstManager;
+using Ryujinx.HLE.HOS.Services.Pcv.Types;
+using System;
+
+namespace Ryujinx.HLE.HOS.Services.Pcv.Clkrst
 {
     [Service("clkrst")]   // 8.0.0+
     [Service("clkrst:i")] // 8.0.0+
     class IClkrstManager : IpcService
     {
+        private int _moduleStateTableEventHandle = 0;
+
         public IClkrstManager(ServiceCtx context) { }
+
+        [CommandHipc(0)]
+        // OpenSession(u32 device_code, u32 unk) -> object<nn::clkrst::IClkrstSession>
+        public ResultCode OpenSession(ServiceCtx context)
+        {
+            DeviceCode deviceCode = (DeviceCode)context.RequestData.ReadUInt32();
+            uint       unknown    = context.RequestData.ReadUInt32();
+
+            // TODO: Service checks the deviceCode and the unk value.
+
+            MakeObject(context, new IClkrstSession(deviceCode, unknown));
+
+            return ResultCode.Success;
+        }
+
+        [CommandHipc(4)]
+        // GetModuleStateTableEvent() -> handle<copy>
+        public ResultCode GetModuleStateTableEvent(ServiceCtx context)
+        {
+            if (_moduleStateTableEventHandle == 0)
+            {
+                if (context.Process.HandleTable.GenerateHandle(context.Device.System.IirsSharedMem, out _moduleStateTableEventHandle) != KernelResult.Success)
+                {
+                    throw new InvalidOperationException("Out of handles!");
+                }
+            }
+
+            context.Response.HandleDesc = IpcHandleDesc.MakeCopy(_moduleStateTableEventHandle);
+
+            return ResultCode.Success;
+        }
+
+        [CommandHipc(5)]
+        // GetModuleStateTableMaxCount() -> u32 max_count
+        public ResultCode GetModuleStateTableMaxCount(ServiceCtx context)
+        {
+            context.ResponseData.Write(26u);
+
+            return ResultCode.Success;
+        }
     }
 }
\ No newline at end of file
diff --git a/Ryujinx.HLE/HOS/Services/Pcv/ResultCode.cs b/Ryujinx.HLE/HOS/Services/Pcv/ResultCode.cs
new file mode 100644
index 00000000..2041e423
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Services/Pcv/ResultCode.cs
@@ -0,0 +1,12 @@
+namespace Ryujinx.HLE.HOS.Services.Pcv
+{
+    enum ResultCode
+    {
+        ModuleId       = 30,
+        ErrorCodeShift = 9,
+
+        Success = 0,
+
+        InvalidArgument = (5 << ErrorCodeShift) | ModuleId
+    }
+}
\ No newline at end of file
diff --git a/Ryujinx.HLE/HOS/Services/Pcv/Rtc/IUnknown1.cs b/Ryujinx.HLE/HOS/Services/Pcv/Rtc/IRtcManager.cs
index 0f73f950..2b4a1239 100644
--- a/Ryujinx.HLE/HOS/Services/Pcv/Rtc/IUnknown1.cs
+++ b/Ryujinx.HLE/HOS/Services/Pcv/Rtc/IRtcManager.cs
@@ -1,8 +1,8 @@
 namespace Ryujinx.HLE.HOS.Services.Pcv.Rtc
 {
     [Service("rtc")] // 8.0.0+
-    class IUnknown1 : IpcService
+    class IRtcManager : IpcService
     {
-        public IUnknown1(ServiceCtx context) { }
+        public IRtcManager(ServiceCtx context) { }
     }
 }
\ No newline at end of file
diff --git a/Ryujinx.HLE/HOS/Services/Pcv/Types/DeviceCode.cs b/Ryujinx.HLE/HOS/Services/Pcv/Types/DeviceCode.cs
new file mode 100644
index 00000000..5380d82f
--- /dev/null
+++ b/Ryujinx.HLE/HOS/Services/Pcv/Types/DeviceCode.cs
@@ -0,0 +1,94 @@
+namespace Ryujinx.HLE.HOS.Services.Pcv.Types
+{
+    enum DeviceCode
+    {
+        Cpu             = 0x40000001,
+        Gpu             = 0x40000002,
+        I2s1            = 0x40000003,
+        I2s2            = 0x40000004,
+        I2s3            = 0x40000005,
+        Pwm             = 0x40000006,
+        I2c1            = 0x02000001,
+        I2c2            = 0x02000002,
+        I2c3            = 0x02000003,
+        I2c4            = 0x02000004,
+        I2c5            = 0x02000005,
+        I2c6            = 0x02000006,
+        Spi1            = 0x07000000,
+        Spi2            = 0x07000001,
+        Spi3            = 0x07000002,
+        Spi4            = 0x07000003,
+        Disp1           = 0x40000011,
+        Disp2           = 0x40000012,
+        Isp             = 0x40000013,
+        Vi              = 0x40000014,
+        Sdmmc1          = 0x40000015,
+        Sdmmc2          = 0x40000016,
+        Sdmmc3          = 0x40000017,
+        Sdmmc4          = 0x40000018,
+        Owr             = 0x40000019,
+        Csite           = 0x4000001A,
+        Tsec            = 0x4000001B,
+        Mselect         = 0x4000001C,
+        Hda2codec2x     = 0x4000001D,
+        Actmon          = 0x4000001E,
+        I2cSlow         = 0x4000001F,
+        Sor1            = 0x40000020,
+        Sata            = 0x40000021,
+        Hda             = 0x40000022,
+        XusbCoreHostSrc = 0x40000023,
+        XusbFalconSrc   = 0x40000024,
+        XusbFsSrc       = 0x40000025,
+        XusbCoreDevSrc  = 0x40000026,
+        XusbSsSrc       = 0x40000027,
+        UartA           = 0x03000001,
+        UartB           = 0x35000405,
+        UartC           = 0x3500040F,
+        UartD           = 0x37000001,
+        Host1x          = 0x4000002C,
+        Entropy         = 0x4000002D,
+        SocTherm        = 0x4000002E,
+        Vic             = 0x4000002F,
+        Nvenc           = 0x40000030,
+        Nvjpg           = 0x40000031,
+        Nvdec           = 0x40000032,
+        Qspi            = 0x40000033,
+        ViI2c           = 0x40000034,
+        Tsecb           = 0x40000035,
+        Ape             = 0x40000036,
+        AudioDsp        = 0x40000037,
+        AudioUart       = 0x40000038,
+        Emc             = 0x40000039,
+        Plle            = 0x4000003A,
+        PlleHwSeq       = 0x4000003B,
+        Dsi             = 0x4000003C,
+        Maud            = 0x4000003D,
+        Dpaux1          = 0x4000003E,
+        MipiCal         = 0x4000003F,
+        UartFstMipiCal  = 0x40000040,
+        Osc             = 0x40000041,
+        SysBus          = 0x40000042,
+        SorSafe         = 0x40000043,
+        XusbSs          = 0x40000044,
+        XusbHost        = 0x40000045,
+        XusbDevice      = 0x40000046,
+        Extperiph1      = 0x40000047,
+        Ahub            = 0x40000048,
+        Hda2hdmicodec   = 0x40000049,
+        Gpuaux          = 0x4000004A,
+        UsbD            = 0x4000004B,
+        Usb2            = 0x4000004C,
+        Pcie            = 0x4000004D,
+        Afi             = 0x4000004E,
+        PciExClk        = 0x4000004F,
+        PExUsbPhy       = 0x40000050,
+        XUsbPadCtl      = 0x40000051,
+        Apbdma          = 0x40000052,
+        Usb2TrkClk      = 0x40000053,
+        XUsbIoPll       = 0x40000054,
+        XUsbIoPllHwSeq  = 0x40000055,
+        Cec             = 0x40000056,
+        Extperiph2      = 0x40000057,
+        OscClk          = 0x40000080
+    }
+}
\ No newline at end of file