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DSi_NWifi.cpp
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/*
Copyright 2016-2022 melonDS team
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/.
*/
#include <string.h>
#include <stdio.h>
#include "DSi.h"
#include "DSi_NWifi.h"
#include "SPI.h"
#include "WifiAP.h"
#include "Platform.h"
const u8 CIS0[256] =
{
0x01, 0x03, 0xD9, 0x01, 0xFF,
0x20, 0x04, 0x71, 0x02, 0x00, 0x02,
0x21, 0x02, 0x0C, 0x00,
0x22, 0x04, 0x00, 0x00, 0x08, 0x32,
0x1A, 0x05, 0x01, 0x01, 0x00, 0x02, 0x07,
0x1B, 0x08, 0xC1, 0x41, 0x30, 0x30, 0xFF, 0xFF, 0x32, 0x00,
0x14, 0x00,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0xFF, 0xFF, 0xFF, 0xFF, 0xFF,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00
};
const u8 CIS1[256] =
{
0x20, 0x04, 0x71, 0x02, 0x00, 0x02,
0x21, 0x02, 0x0C, 0x00,
0x22, 0x2A, 0x01,
0x01, 0x11,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x08,
0x00, 0x00, 0xFF, 0x80,
0x00, 0x00, 0x00,
0x00, 0x01, 0x0A,
0x00, 0x00, 0x00, 0x00,
0x00, 0x00,
0x00, 0x00, 0x00, 0x00,
0x00, 0x01, 0x00, 0x01,
0x00, 0x01, 0x00, 0x01,
0x80, 0x01, 0x06,
0x81, 0x01, 0x07,
0x82, 0x01, 0xDF,
0xFF,
0x01,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
0x00, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00
};
DSi_NWifi* Ctx = nullptr;
DSi_NWifi::DSi_NWifi(DSi_SDHost* host)
: DSi_SDDevice(host),
Mailbox
{
// HACK
// the mailboxes are supposed to be 0x80 bytes
// however, as we do things instantly, emulating this is meaningless
// and only adds complication
DynamicFIFO<u8>(0x600), DynamicFIFO<u8>(0x600), DynamicFIFO<u8>(0x600), DynamicFIFO<u8>(0x600),
DynamicFIFO<u8>(0x600), DynamicFIFO<u8>(0x600), DynamicFIFO<u8>(0x600), DynamicFIFO<u8>(0x600),
// mailbox 8: extra mailbox acting as a bigger RX buffer
DynamicFIFO<u8>(0x8000)
}
{
// this seems to control whether the firmware upload is done
EEPROMReady = 0;
Ctx = this;
}
DSi_NWifi::~DSi_NWifi()
{
NDS::CancelEvent(NDS::Event_DSi_NWifi);
Ctx = nullptr;
}
void DSi_NWifi::Reset()
{
TransferCmd = 0xFFFFFFFF;
RemSize = 0;
F0_IRQEnable = 0;
F0_IRQStatus = 0;
F1_IRQEnable = 0; F1_IRQEnable_CPU = 0; F1_IRQEnable_Error = 0; F1_IRQEnable_Counter = 0;
F1_IRQStatus = 0; F1_IRQStatus_CPU = 0; F1_IRQStatus_Error = 0; F1_IRQStatus_Counter = 0;
WindowData = 0;
WindowReadAddr = 0;
WindowWriteAddr = 0;
for (int i = 0; i < 9; i++)
Mailbox[i].Clear();
u8* mac = SPI_Firmware::GetWifiMAC();
printf("NWifi MAC: %02X:%02X:%02X:%02X:%02X:%02X\n",
mac[0], mac[1], mac[2], mac[3], mac[4], mac[5]);
u8 type = SPI_Firmware::GetNWifiVersion();
switch (type)
{
case 1: // AR6002
ROMID = 0x20000188;
ChipID = 0x02000001;
HostIntAddr = 0x00500400;
break;
case 2: // AR6013
ROMID = 0x23000024;
ChipID = 0x0D000000;
HostIntAddr = 0x00520000;
break;
case 3: // AR6014 (3DS)
ROMID = 0x2300006F;
ChipID = 0x0D000001;
HostIntAddr = 0x00520000;
printf("NWifi: hardware is 3DS type, unchecked\n");
break;
default:
printf("NWifi: unknown hardware type, assuming AR6002\n");
ROMID = 0x20000188;
ChipID = 0x02000001;
HostIntAddr = 0x00500400;
break;
}
memset(EEPROM, 0, 0x400);
*(u32*)&EEPROM[0x000] = 0x300;
*(u16*)&EEPROM[0x008] = 0x8348; // TODO: determine properly (country code)
memcpy(&EEPROM[0x00A], mac, 6);
*(u32*)&EEPROM[0x010] = 0x60000000;
memset(&EEPROM[0x03C], 0xFF, 0x70);
memset(&EEPROM[0x140], 0xFF, 0x8);
u16 chk = 0xFFFF;
for (int i = 0; i < 0x300; i+=2)
chk ^= *(u16*)&EEPROM[i];
*(u16*)&EEPROM[0x004] = chk;
// TODO: SDIO reset shouldn't reset this
// this is reset by the internal reset register, and that also resets EEPROM init
BootPhase = 0;
ErrorMask = 0;
ScanTimer = 0;
BeaconTimer = 0x10A2220ULL;
ConnectionStatus = 0;
NDS::CancelEvent(NDS::Event_DSi_NWifi);
}
void DSi_NWifi::DoSavestate(Savestate* file)
{
file->Section("NWFi");
for (int i = 0; i < 9; i++)
Mailbox[i].DoSavestate(file);
file->Var8(&F0_IRQEnable);
file->Var8(&F0_IRQStatus);
file->Var8(&F1_IRQEnable);
file->Var8(&F1_IRQEnable_CPU);
file->Var8(&F1_IRQEnable_Error);
file->Var8(&F1_IRQEnable_Counter);
file->Var8(&F1_IRQStatus);
file->Var8(&F1_IRQStatus_CPU);
file->Var8(&F1_IRQStatus_Error);
file->Var8(&F1_IRQStatus_Counter);
file->Var32(&WindowData);
file->Var32(&WindowReadAddr);
file->Var32(&WindowWriteAddr);
file->Var32(&ROMID);
file->Var32(&ChipID);
file->Var32(&HostIntAddr);
file->VarArray(EEPROM, 0x400);
file->Var32(&EEPROMReady);
file->Var32(&BootPhase);
file->Var32(&ErrorMask);
file->Var32(&ScanTimer);
file->Var64(&BeaconTimer);
file->Var32(&ConnectionStatus);
}
// CHECKME
// can IRQ status bits be set when the corresponding IRQs are disabled in the enable register?
// otherwise, does disabling them clear the status register?
void DSi_NWifi::UpdateIRQ()
{
F0_IRQStatus = 0;
IRQ = false;
if (F1_IRQStatus & F1_IRQEnable)
F0_IRQStatus |= (1<<1);
if (F0_IRQEnable & (1<<0))
{
if (F0_IRQStatus & F0_IRQEnable)
IRQ = true;
}
Host->SetCardIRQ();
}
void DSi_NWifi::UpdateIRQ_F1()
{
F1_IRQStatus = 0;
if (!Mailbox[4].IsEmpty()) F1_IRQStatus |= (1<<0);
if (!Mailbox[5].IsEmpty()) F1_IRQStatus |= (1<<1);
if (!Mailbox[6].IsEmpty()) F1_IRQStatus |= (1<<2);
if (!Mailbox[7].IsEmpty()) F1_IRQStatus |= (1<<3);
if (F1_IRQStatus_Counter & F1_IRQEnable_Counter) F1_IRQStatus |= (1<<4);
if (F1_IRQStatus_CPU & F1_IRQEnable_CPU) F1_IRQStatus |= (1<<6);
if (F1_IRQStatus_Error & F1_IRQEnable_Error) F1_IRQStatus |= (1<<7);
UpdateIRQ();
}
void DSi_NWifi::SetIRQ_F1_Counter(u32 n)
{
F1_IRQStatus_Counter |= (1<<n);
UpdateIRQ_F1();
}
void DSi_NWifi::ClearIRQ_F1_Counter(u32 n)
{
F1_IRQStatus_Counter &= ~(1<<n);
UpdateIRQ_F1();
}
void DSi_NWifi::SetIRQ_F1_CPU(u32 n)
{
F1_IRQStatus_CPU |= (1<<n);
UpdateIRQ_F1();
}
u8 DSi_NWifi::F0_Read(u32 addr)
{
switch (addr)
{
case 0x00000: return 0x11;
case 0x00001: return 0x00;
case 0x00002: return 0x02; // writable??
case 0x00003: return 0x02;
case 0x00004: return F0_IRQEnable;
case 0x00005: return F0_IRQStatus;
case 0x00008: return 0x17;
case 0x00009: return 0x00;
case 0x0000A: return 0x10;
case 0x0000B: return 0x00;
case 0x00012: return 0x03;
case 0x00109: return 0x00;
case 0x0010A: return 0x11;
case 0x0010B: return 0x00;
}
if (addr >= 0x01000 && addr < 0x01100)
{
return CIS0[addr & 0xFF];
}
if (addr >= 0x01100 && addr < 0x01200)
{
return CIS1[addr & 0xFF];
}
printf("NWIFI: unknown func0 read %05X\n", addr);
return 0;
}
void DSi_NWifi::F0_Write(u32 addr, u8 val)
{
switch (addr)
{
case 0x00004:
F0_IRQEnable = val;
UpdateIRQ();
return;
}
printf("NWIFI: unknown func0 write %05X %02X\n", addr, val);
}
u8 DSi_NWifi::F1_Read(u32 addr)
{
if (addr < 0x100)
{
u8 ret = Mailbox[4].Read();
if (addr == 0xFF) DrainRXBuffer();
UpdateIRQ_F1();
return ret;
}
else if (addr < 0x200)
{
u8 ret = Mailbox[5].Read();
UpdateIRQ_F1();
return ret;
}
else if (addr < 0x300)
{
u8 ret = Mailbox[6].Read();
UpdateIRQ_F1();
return ret;
}
else if (addr < 0x400)
{
u8 ret = Mailbox[7].Read();
UpdateIRQ_F1();
return ret;
}
else if (addr < 0x800)
{
switch (addr)
{
case 0x00400: return F1_IRQStatus;
case 0x00401: return F1_IRQStatus_CPU;
case 0x00402: return F1_IRQStatus_Error;
case 0x00403: return F1_IRQStatus_Counter;
case 0x00405:
{
u8 ret = 0;
if (Mailbox[4].Level() >= 4) ret |= (1<<0);
if (Mailbox[5].Level() >= 4) ret |= (1<<1);
if (Mailbox[6].Level() >= 4) ret |= (1<<2);
if (Mailbox[7].Level() >= 4) ret |= (1<<3);
return ret;
}
case 0x00408: return Mailbox[4].Peek(0);
case 0x00409: return Mailbox[4].Peek(1);
case 0x0040A: return Mailbox[4].Peek(2);
case 0x0040B: return Mailbox[4].Peek(3);
case 0x00418: return F1_IRQEnable;
case 0x00419: return F1_IRQEnable_CPU;
case 0x0041A: return F1_IRQEnable_Error;
case 0x0041B: return F1_IRQEnable_Counter;
// GROSS FUCKING HACK
case 0x00440: ClearIRQ_F1_Counter(0); return 0;
case 0x00450: return 1; // HAX!!
case 0x00474: return WindowData & 0xFF;
case 0x00475: return (WindowData >> 8) & 0xFF;
case 0x00476: return (WindowData >> 16) & 0xFF;
case 0x00477: return WindowData >> 24;
}
}
else if (addr < 0x1000)
{
u8 ret = Mailbox[4].Read();
if (addr == 0xFFF) DrainRXBuffer();
UpdateIRQ_F1();
return ret;
}
else if (addr < 0x1800)
{
u8 ret = Mailbox[5].Read();
UpdateIRQ_F1();
return ret;
}
else if (addr < 0x2000)
{
u8 ret = Mailbox[6].Read();
UpdateIRQ_F1();
return ret;
}
else if (addr < 0x2800)
{
u8 ret = Mailbox[7].Read();
UpdateIRQ_F1();
return ret;
}
else
{
u8 ret = Mailbox[4].Read();
if (addr == 0x3FFF) DrainRXBuffer();
UpdateIRQ_F1();
return ret;
}
//printf("NWIFI: unknown func1 read %05X\n", addr);
return 0;
}
void DSi_NWifi::F1_Write(u32 addr, u8 val)
{
if (addr < 0x100)
{
if (Mailbox[0].IsFull()) printf("!!! NWIFI: MBOX0 FULL\n");
Mailbox[0].Write(val);
if (addr == 0xFF) HandleCommand();
UpdateIRQ_F1();
return;
}
else if (addr < 0x200)
{
if (Mailbox[1].IsFull()) printf("!!! NWIFI: MBOX1 FULL\n");
Mailbox[1].Write(val);
UpdateIRQ_F1();
return;
}
else if (addr < 0x300)
{
if (Mailbox[2].IsFull()) printf("!!! NWIFI: MBOX2 FULL\n");
Mailbox[2].Write(val);
UpdateIRQ_F1();
return;
}
else if (addr < 0x400)
{
if (Mailbox[3].IsFull()) printf("!!! NWIFI: MBOX3 FULL\n");
Mailbox[3].Write(val);
UpdateIRQ_F1();
return;
}
else if (addr < 0x800)
{
switch (addr)
{
case 0x00418: F1_IRQEnable = val; UpdateIRQ_F1(); return;
case 0x00419: F1_IRQEnable_CPU = val; UpdateIRQ_F1(); return;
case 0x0041A: F1_IRQEnable_Error = val; UpdateIRQ_F1(); return;
case 0x0041B: F1_IRQEnable_Counter = val; UpdateIRQ_F1(); return;
// GROSS FUCKING HACK
case 0x00440: ClearIRQ_F1_Counter(0); return;
case 0x00474: WindowData = (WindowData & 0xFFFFFF00) | val; return;
case 0x00475: WindowData = (WindowData & 0xFFFF00FF) | (val << 8); return;
case 0x00476: WindowData = (WindowData & 0xFF00FFFF) | (val << 16); return;
case 0x00477: WindowData = (WindowData & 0x00FFFFFF) | (val << 24); return;
case 0x00478:
WindowWriteAddr = (WindowWriteAddr & 0xFFFFFF00) | val;
WindowWrite(WindowWriteAddr, WindowData);
return;
case 0x00479: WindowWriteAddr = (WindowWriteAddr & 0xFFFF00FF) | (val << 8); return;
case 0x0047A: WindowWriteAddr = (WindowWriteAddr & 0xFF00FFFF) | (val << 16); return;
case 0x0047B: WindowWriteAddr = (WindowWriteAddr & 0x00FFFFFF) | (val << 24); return;
case 0x0047C:
WindowReadAddr = (WindowReadAddr & 0xFFFFFF00) | val;
WindowData = WindowRead(WindowReadAddr);
return;
case 0x0047D: WindowReadAddr = (WindowReadAddr & 0xFFFF00FF) | (val << 8); return;
case 0x0047E: WindowReadAddr = (WindowReadAddr & 0xFF00FFFF) | (val << 16); return;
case 0x0047F: WindowReadAddr = (WindowReadAddr & 0x00FFFFFF) | (val << 24); return;
}
}
else if (addr < 0x1000)
{
if (Mailbox[0].IsFull()) printf("!!! NWIFI: MBOX0 FULL\n");
Mailbox[0].Write(val);
if (addr == 0xFFF) HandleCommand();
UpdateIRQ_F1();
return;
}
else if (addr < 0x1800)
{
if (Mailbox[1].IsFull()) printf("!!! NWIFI: MBOX1 FULL\n");
Mailbox[1].Write(val);
UpdateIRQ_F1();
return;
}
else if (addr < 0x2000)
{
if (Mailbox[2].IsFull()) printf("!!! NWIFI: MBOX2 FULL\n");
Mailbox[2].Write(val);
UpdateIRQ_F1();
return;
}
else if (addr < 0x2800)
{
if (Mailbox[3].IsFull()) printf("!!! NWIFI: MBOX3 FULL\n");
Mailbox[3].Write(val);
UpdateIRQ_F1();
return;
}
else
{
if (Mailbox[0].IsFull()) printf("!!! NWIFI: MBOX0 FULL\n");
Mailbox[0].Write(val);
if (addr == 0x3FFF) HandleCommand(); // CHECKME
UpdateIRQ_F1();
return;
}
printf("NWIFI: unknown func1 write %05X %02X\n", addr, val);
}
u8 DSi_NWifi::SDIO_Read(u32 func, u32 addr)
{
switch (func)
{
case 0: return F0_Read(addr);
case 1: return F1_Read(addr);
}
printf("NWIFI: unknown SDIO read %d %05X\n", func, addr);
return 0;
}
void DSi_NWifi::SDIO_Write(u32 func, u32 addr, u8 val)
{
switch (func)
{
case 0: return F0_Write(addr, val);
case 1: return F1_Write(addr, val);
}
printf("NWIFI: unknown SDIO write %d %05X %02X\n", func, addr, val);
}
void DSi_NWifi::SendCMD(u8 cmd, u32 param)
{
switch (cmd)
{
case 12:
// stop command
// CHECKME: does the SDIO controller actually send those??
// DSi firmware sets it to send them
return;
case 52: // IO_RW_DIRECT
{
u32 func = (param >> 28) & 0x7;
u32 addr = (param >> 9) & 0x1FFFF;
if (param & (1<<31))
{
// write
u8 val = param & 0xFF;
SDIO_Write(func, addr, val);
if (param & (1<<27))
val = SDIO_Read(func, addr); // checkme
Host->SendResponse(val | 0x1000, true);
}
else
{
// read
u8 val = SDIO_Read(func, addr);
Host->SendResponse(val | 0x1000, true);
}
}
return;
case 53: // IO_RW_EXTENDED
{
u32 addr = (param >> 9) & 0x1FFFF;
TransferCmd = param;
TransferAddr = addr;
if (param & (1<<27))
{
RemSize = (param & 0x1FF) << 9; // checkme
}
else
{
RemSize = (param & 0x1FF);
if (!RemSize) RemSize = 0x200;
}
if (param & (1<<31))
{
// write
WriteBlock();
Host->SendResponse(0x1000, true);
}
else
{
// read
ReadBlock();
Host->SendResponse(0x1000, true);
}
}
return;
}
printf("NWIFI: unknown CMD %d %08X\n", cmd, param);
}
void DSi_NWifi::SendACMD(u8 cmd, u32 param)
{
printf("NWIFI: unknown ACMD %d %08X\n", cmd, param);
}
void DSi_NWifi::ContinueTransfer()
{
if (TransferCmd & (1<<31))
WriteBlock();
else
ReadBlock();
}
void DSi_NWifi::ReadBlock()
{
u32 func = (TransferCmd >> 28) & 0x7;
u32 len = (TransferCmd & (1<<27)) ? 0x200 : RemSize;
len = Host->GetTransferrableLen(len);
u8 data[0x200];
for (u32 i = 0; i < len; i++)
{
data[i] = SDIO_Read(func, TransferAddr);
if (TransferCmd & (1<<26))
{
TransferAddr++;
TransferAddr &= 0x1FFFF; // checkme
}
}
len = Host->DataRX(data, len);
if (RemSize > 0)
{
RemSize -= len;
if (RemSize == 0)
{
// TODO?
}
}
}
void DSi_NWifi::WriteBlock()
{
u32 func = (TransferCmd >> 28) & 0x7;
u32 len = (TransferCmd & (1<<27)) ? 0x200 : RemSize;
len = Host->GetTransferrableLen(len);
u8 data[0x200];
if ((len = Host->DataTX(data, len)))
{
for (u32 i = 0; i < len; i++)
{
SDIO_Write(func, TransferAddr, data[i]);
if (TransferCmd & (1<<26))
{
TransferAddr++;
TransferAddr &= 0x1FFFF; // checkme
}
}
if (RemSize > 0)
{
RemSize -= len;
if (RemSize == 0)
{
// TODO?
}
}
}
}
void DSi_NWifi::HandleCommand()
{
switch (BootPhase)
{
case 0: return BMI_Command();
case 1: return HTC_Command();
case 2: return WMI_Command();
}
}
void DSi_NWifi::BMI_Command()
{
u32 cmd = MB_Read32(0);
switch (cmd)
{
case 0x01: // BMI_DONE
{
printf("BMI_DONE\n");
EEPROMReady = 1; // GROSS FUCKING HACK
u8 ready_msg[6] = {0x0A, 0x00, 0x08, 0x06, 0x16, 0x00};
SendWMIEvent(0, 0x0001, ready_msg, 6);
BootPhase = 1;
}
return;
case 0x03: // BMI_WRITE_MEMORY
{
u32 addr = MB_Read32(0);
u32 len = MB_Read32(0);
printf("BMI mem write %08X %08X\n", addr, len);
for (u32 i = 0; i < len; i++)
{
u8 val = Mailbox[0].Read();
// TODO: do something with it!!
}
}
return;
case 0x04: // BMI_EXECUTE
{
u32 entry = MB_Read32(0);
u32 arg = MB_Read32(0);
printf("BMI_EXECUTE %08X %08X\n", entry, arg);
}
return;
case 0x06: // BMI_READ_SOC_REGISTER
{
u32 addr = MB_Read32(0);
u32 val = WindowRead(addr);
MB_Write32(4, val);
}
return;
case 0x07: // BMI_WRITE_SOC_REGISTER
{
u32 addr = MB_Read32(0);
u32 val = MB_Read32(0);
WindowWrite(addr, val);
}
return;
case 0x08: // BMI_GET_TARGET_ID
MB_Write32(4, 0xFFFFFFFF);
MB_Write32(4, 0x0000000C);
MB_Write32(4, ROMID);
MB_Write32(4, 0x00000002);
return;
case 0x0D: // BMI_LZ_STREAM_START
{
u32 addr = MB_Read32(0);
printf("BMI_LZ_STREAM_START %08X\n", addr);
}
return;
case 0x0E: // BMI_LZ_DATA
{
u32 len = MB_Read32(0);
printf("BMI LZ write %08X\n", len);
//FILE* f = fopen("debug/wififirm.bin", "ab");
for (u32 i = 0; i < len; i++)
{
u8 val = Mailbox[0].Read();
// TODO: do something with it!!
//fwrite(&val, 1, 1, f);
}
//fclose(f);
}
return;
default:
printf("unknown BMI command %08X\n", cmd);
return;
}
}
void DSi_NWifi::HTC_Command()
{
u16 h0 = MB_Read16(0);
u16 len = MB_Read16(0);
u16 h2 = MB_Read16(0);
u16 cmd = MB_Read16(0);
switch (cmd)
{
case 0x0002: // service connect
{
u16 svc_id = MB_Read16(0);
u16 conn_flags = MB_Read16(0);
printf("service connect %04X %04X %04X\n", svc_id, conn_flags, MB_Read16(0));
u8 svc_resp[8];
// responses from hardware:
// 0003 0100 00 01 0602 00 00
// 0003 0101 00 02 0600 00 00
// 0003 0102 00 03 0600 00 00
// 0003 0103 00 04 0600 00 00
// 0003 0104 00 05 0600 00 00
*(u16*)&svc_resp[0] = svc_id;
svc_resp[2] = 0;
svc_resp[3] = (svc_id & 0xFF) + 1;
*(u16*)&svc_resp[4] = (svc_id==0x0100) ? 0x0602 : 0x0600; // max message size
*(u16*)&svc_resp[6] = 0x0000;
SendWMIEvent(0, 0x0003, svc_resp, 8);
}
break;
case 0x0004: // setup complete
{
u8 ready_evt[12];
memcpy(&ready_evt[0], SPI_Firmware::GetWifiMAC(), 6);
ready_evt[6] = 0x02;
ready_evt[7] = 0;
*(u32*)&ready_evt[8] = 0x2300006C;
SendWMIEvent(1, 0x1001, ready_evt, 12);
u8 regdomain_evt[4];
*(u32*)®domain_evt[0] = 0x80000000 | (*(u16*)&EEPROM[0x008] & 0x0FFF);
SendWMIEvent(1, 0x1006, regdomain_evt, 4);
BootPhase = 2;
NDS::ScheduleEvent(NDS::Event_DSi_NWifi, true, 33611, MSTimer, 0);
}
break;
default:
printf("unknown HTC command %04X\n", cmd);
for (int i = 0; i < len; i++)
{
printf("%02X ", Mailbox[0].Read());
if ((i&0xF)==0xF) printf("\n");
}
printf("\n");
break;
}
MB_Drain(0);
}
void DSi_NWifi::WMI_Command()
{
u16 h0 = MB_Read16(0);
u16 len = MB_Read16(0);
u16 h2 = MB_Read16(0);
u8 ep = h0 & 0xFF;
if (ep > 0x01) // data endpoints
{
WMI_SendPacket(len);
}
else
{
u16 cmd = MB_Read16(0);
switch (cmd)
{
case 0x0001: // connect to network
{
WMI_ConnectToNetwork();
}
break;
case 0x0003: // disconnect
{
if (ConnectionStatus != 1)
printf("WMI: ?? trying to disconnect while not connected\n");
printf("WMI: disconnect\n");
ConnectionStatus = 0;
u8 reply[11];
*(u16*)&reply[0] = 3; // checkme
memcpy(&reply[2], WifiAP::APMac, 6);
reply[8] = 3; // disconnect reason (via cmd)
reply[9] = 0; // assoc-response length (none here)
reply[10] = 0; // we need atleast one byte here, even if there is no assoc-response
SendWMIEvent(1, 0x1003, reply, 11);
}
break;
case 0x0004: // synchronize
{
Mailbox[0].Read();
// TODO??
}
break;
case 0x0005: // create priority stream
{
// TODO???
// there's a lot of crap in there.
}
break;
case 0x0007: // start scan
{
u32 forcefg = MB_Read32(0);
u32 legacy = MB_Read32(0);
u32 scantime = MB_Read32(0);
u32 forceinterval = MB_Read32(0);
u8 scantype = Mailbox[0].Read();
u8 nchannels = Mailbox[0].Read();
printf("WMI: start scan, forceFG=%d, legacy=%d, scanTime=%d, interval=%d, scanType=%d, chan=%d\n",
forcefg, legacy, scantime, forceinterval, scantype, nchannels);
if (ScanTimer > 0)
{
printf("!! CHECKME: START SCAN BUT WAS ALREADY SCANNING (%d)\n", ScanTimer);
}
// checkme
ScanTimer = scantime*5;
}
break;