private static void Sleep(int cnt)
{
for (int i = 0; i < cnt; i++)
{
PortIO.In32(0x80);
}
}
public static int AcpiOsReadPort(ulong Address, uint *Value, uint Width)
{
if (Width == 8)
{
*Value = PortIO.In8((ushort)Address);
}
else if (Width == 16)
{
*Value = PortIO.In16((ushort)Address);
}
else if (Width == 32)
{
*Value = PortIO.In32((ushort)Address);
}
else
{
return(AE_BAD_PARAMETER);
}
return(AE_OK);
}
private static void SoftwareReset()
{
// RESET
PortIO.In32((ushort)(m_io_base + 0x18));
PortIO.In16((ushort)(m_io_base + 0x14));
Sleep(5);
// SET BCR
PortIO.Out32((ushort)(m_io_base + REG_RDP), 0);
// Enable 32bit :)
writeBCR(20, 1);
// sws style 2 please
uint csr58 = readCSR(58);
csr58 &= 0xFFF0;
csr58 |= 2;
writeCSR(58, csr58);
}
/// <summary>
/// Handle interrupt
/// </summary>
/// <returns>If this IRQ was handled by the device</returns>
private static unsafe bool handler()
{
ushort ISR = PortIO.In16((ushort)(m_io_base + REG_ISR));
if ((ISR & ISR_TOK) > 0)
{
// We need to read every TX
for (int i = 0; i < 4; i++)
{
if (((int)PortIO.In32((ushort)(m_io_base + REG_TSD0 + (i * 4))) & TX_STATUS_OK) > 0)
{
m_mutexes[i].Unlock();
}
}
}
#if RTL_DEBUG
if ((ISR & ISR_TER) > 0)
{
Console.WriteLine("[RTL8139] Transmit error!");
}
if ((ISR & ISR_RER) > 0)
{
Console.WriteLine("[RTL8139] Receive error!");
}
#endif
if ((ISR & ISR_ROK) > 0)
{
HandlePackets();
}
PortIO.Out16((ushort)(m_io_base + REG_ISR), ISR);
return(true);
}
private static uint readCSR(byte csr_no)
{
writeRap(csr_no);
return(PortIO.In32((ushort)(m_io_base + REG_RDP)));
}
