1 files changed, 121 insertions, 0 deletions
diff --git a/src/DSi_NWifi.h b/src/DSi_NWifi.h
new file mode 100644
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--- /dev/null
+++ b/src/DSi_NWifi.h
@@ -0,0 +1,121 @@
+/*
+    Copyright 2016-2019 Arisotura
+
+    This file is part of melonDS.
+
+    melonDS is free software: you can redistribute it and/or modify it under
+    the terms of the GNU General Public License as published by the Free
+    Software Foundation, either version 3 of the License, or (at your option)
+    any later version.
+
+    melonDS is distributed in the hope that 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 melonDS. If not, see http://www.gnu.org/licenses/.
+*/
+
+#ifndef DSI_NWIFI_H
+#define DSI_NWIFI_H
+
+#include "DSi_SD.h"
+#include "FIFO.h"
+
+class DSi_NWifi : public DSi_SDDevice
+{
+public:
+    DSi_NWifi(DSi_SDHost* host);
+    ~DSi_NWifi();
+
+    void SendCMD(u8 cmd, u32 param);
+    void SendACMD(u8 cmd, u32 param);
+
+    void ContinueTransfer();
+
+    void SetIRQ_F1_Counter(u32 n);
+
+private:
+    u32 TransferCmd;
+    u32 TransferAddr;
+    u32 RemSize;
+
+    void UpdateIRQ();
+    void UpdateIRQ_F1();
+    //void SetIRQ_F1_Counter(u32 n);
+    void ClearIRQ_F1_Counter(u32 n);
+    void SetIRQ_F1_CPU(u32 n);
+
+    u8 F0_Read(u32 addr);
+    void F0_Write(u32 addr, u8 val);
+
+    u8 F1_Read(u32 addr);
+    void F1_Write(u32 addr, u8 val);
+
+    u8 SDIO_Read(u32 func, u32 addr);
+    void SDIO_Write(u32 func, u32 addr, u8 val);
+
+    void ReadBlock();
+    void WriteBlock();
+
+    void HandleCommand();
+    void BMI_Command();
+    void WMI_Command();
+
+    void SendWMIFrame(u8* data, u32 len, u8 ep, u8 flags, u16 ctrl);
+
+    u32 WindowRead(u32 addr);
+    void WindowWrite(u32 addr, u32 val);
+
+    u16 MB_Read16(int n)
+    {
+        u16 ret = Mailbox[n]->Read();
+        ret |= (Mailbox[n]->Read() << 8);
+        return ret;
+    }
+
+    void MB_Write16(int n, u16 val)
+    {
+        Mailbox[n]->Write(val & 0xFF); val >>= 8;
+        Mailbox[n]->Write(val & 0xFF);
+    }
+
+    u32 MB_Read32(int n)
+    {
+        u32 ret = Mailbox[n]->Read();
+        ret |= (Mailbox[n]->Read() << 8);
+        ret |= (Mailbox[n]->Read() << 16);
+        ret |= (Mailbox[n]->Read() << 24);
+        return ret;
+    }
+
+    void MB_Write32(int n, u32 val)
+    {
+        Mailbox[n]->Write(val & 0xFF); val >>= 8;
+        Mailbox[n]->Write(val & 0xFF); val >>= 8;
+        Mailbox[n]->Write(val & 0xFF); val >>= 8;
+        Mailbox[n]->Write(val & 0xFF);
+    }
+
+    void MB_Drain(int n)
+    {
+        while (!Mailbox[n]->IsEmpty()) Mailbox[n]->Read();
+    }
+
+    FIFO<u8>* Mailbox[8];
+
+    u8 F0_IRQEnable;
+    u8 F0_IRQStatus;
+
+    u8 F1_IRQEnable, F1_IRQEnable_CPU, F1_IRQEnable_Error, F1_IRQEnable_Counter;
+    u8 F1_IRQStatus, F1_IRQStatus_CPU, F1_IRQStatus_Error, F1_IRQStatus_Counter;
+
+    u32 WindowData, WindowReadAddr, WindowWriteAddr;
+
+    u8 EEPROM[0x400];
+    u32 EEPROMReady;
+
+    u32 BootPhase;
+};
+
+#endif // DSI_NWIFI_H