mirror of
https://github.com/Fennix-Project/Drivers.git
synced 2025-07-11 23:29:27 +00:00
Added drivers
This commit is contained in:
200
Network/RTL8139/rtl8139.cpp
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200
Network/RTL8139/rtl8139.cpp
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#include <netools.h>
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#include <pci.h>
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#include <io.h>
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#include "../../../Kernel/DAPI.hpp"
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#include "../../../Kernel/Fex.hpp"
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extern "C" int DriverEntry(KernelAPI *Data);
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int CallbackHandler(KernelCallback *Data);
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HEAD(FexFormatType_Driver, FexOSType_Fennix, DriverEntry);
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#pragma GCC diagnostic ignored "-Wmissing-field-initializers"
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__attribute__((section(".extended"))) FexExtended ExtendedHeader = {
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.Driver = {
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.Name = "RTL8139",
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.Type = FexDriverType_Network,
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.Callback = CallbackHandler,
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.Bind = {
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.Type = BIND_PCI,
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.PCI = {
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.VendorID = 0x10EC,
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.DeviceID = 0x8139,
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.Class = 0x2,
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.SubClass = 0x0,
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.ProgIF = 0x0,
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}}}};
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KernelAPI *KAPI;
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/* --------------------------------------------------------------------------------------------------------- */
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struct BARData
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{
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uint8_t Type;
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uint64_t IOBase;
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uint64_t MemoryBase;
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};
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PCIDeviceHeader *PCIBaseAddress;
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BARData BAR;
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uint8_t *RXBuffer;
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int TXCurrent;
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uint32_t CurrentPacket;
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MediaAccessControl MAC;
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InternetProtocol4 IP;
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uint8_t TSAD[4] = {0x20, 0x24, 0x28, 0x2C};
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uint8_t TSD[4] = {0x10, 0x14, 0x18, 0x1C};
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void RTLOB(uint16_t Address, uint8_t Value)
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{
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if (BAR.Type == 0)
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mmoutb(reinterpret_cast<void *>(BAR.MemoryBase + Address), Value);
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else
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outportb(BAR.IOBase + Address, Value);
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}
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void RTLOW(uint16_t Address, uint16_t Value)
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{
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if (BAR.Type == 0)
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mmoutw(reinterpret_cast<void *>(BAR.MemoryBase + Address), Value);
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else
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outportw(BAR.IOBase + Address, Value);
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}
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void RTLOL(uint16_t Address, uint32_t Value)
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{
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if (BAR.Type == 0)
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mmoutl(reinterpret_cast<void *>(BAR.MemoryBase + Address), Value);
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else
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outportl(BAR.IOBase + Address, Value);
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}
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uint8_t RTLIB(uint16_t Address)
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{
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if (BAR.Type == 0)
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return mminb(reinterpret_cast<void *>(BAR.MemoryBase + Address));
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else
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return inportb(BAR.IOBase + Address);
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}
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uint16_t RTLIW(uint16_t Address)
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{
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if (BAR.Type == 0)
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return mminw(reinterpret_cast<void *>(BAR.MemoryBase + Address));
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else
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return inportw(BAR.IOBase + Address);
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}
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uint32_t RTLIL(uint16_t Address)
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{
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if (BAR.Type == 0)
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return mminl(reinterpret_cast<void *>(BAR.MemoryBase + Address));
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else
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return inportl(BAR.IOBase + Address);
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}
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MediaAccessControl GetMAC()
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{
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uint32_t MAC1 = RTLIL(0x0);
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uint16_t MAC2 = RTLIW(0x4);
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MediaAccessControl mac = {
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mac.Address[0] = MAC1,
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mac.Address[1] = (MAC1 >> 8),
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mac.Address[2] = (MAC1 >> 16),
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mac.Address[3] = (MAC1 >> 24),
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mac.Address[4] = MAC2,
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mac.Address[5] = (MAC2 >> 8)};
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return mac;
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}
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int DriverEntry(KernelAPI *Data)
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{
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if (!Data)
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return INVALID_KERNEL_API;
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if (Data->Version.Major < 0 || Data->Version.Minor < 0 || Data->Version.Patch < 0)
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return KERNEL_API_VERSION_NOT_SUPPORTED;
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KAPI = Data;
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return OK;
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}
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int CallbackHandler(KernelCallback *Data)
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{
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switch (Data->Reason)
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{
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case AcknowledgeReason:
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{
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KAPI->Util.DebugPrint(((char *)"Kernel acknowledged the driver." + KAPI->Info.Offset), KAPI->Info.DriverUID);
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break;
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}
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case ConfigurationReason:
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{
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KAPI->Util.DebugPrint(((char *)"Kernel received configuration data." + KAPI->Info.Offset), KAPI->Info.DriverUID);
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PCIBaseAddress = reinterpret_cast<PCIDeviceHeader *>(Data->RawPtr);
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if (PCIBaseAddress->VendorID == 0x10EC && PCIBaseAddress->DeviceID == 0x8139)
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{
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KAPI->Util.DebugPrint(((char *)"Found RTL-8139." + KAPI->Info.Offset), KAPI->Info.DriverUID);
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PCIBaseAddress->Command |= PCI_COMMAND_MASTER | PCI_COMMAND_IO | PCI_COMMAND_MEMORY;
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uint32_t PCIBAR0 = ((PCIHeader0 *)PCIBaseAddress)->BAR0;
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uint32_t PCIBAR1 = ((PCIHeader0 *)PCIBaseAddress)->BAR1;
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BAR.Type = PCIBAR1 & 1;
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BAR.IOBase = PCIBAR0 & (~3);
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BAR.MemoryBase = PCIBAR1 & (~15);
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RXBuffer = (uint8_t *)KAPI->Memory.RequestPage(2);
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RTLOB(0x52, 0x0);
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RTLOB(0x37, (1 << 4));
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while ((RTLIB(0x37) & (1 << 4)))
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;
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RTLOL(0x30, static_cast<uint32_t>(reinterpret_cast<uint64_t>(RXBuffer)));
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RTLOW(0x3C, ((1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) |
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(1 << 4) | (1 << 5) | (1 << 6) | (1 << 13) |
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(1 << 14) | (1 << 15)));
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RTLOL(0x44, ((1 << 0) | (1 << 1) | (1 << 2) | (1 << 3) | (1 << 7)));
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RTLOB(0x37, 0x0C);
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MAC = GetMAC();
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}
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else
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return DEVICE_NOT_SUPPORTED;
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break;
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}
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case InterruptReason:
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{
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uint16_t Status = RTLIW(0x3E);
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UNUSED(Status);
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uint16_t *Data = (uint16_t *)(RXBuffer + CurrentPacket);
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uint16_t DataLength = *(Data + 1);
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Data = Data + 2;
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KAPI->Commmand.Network.ReceivePacket(KAPI->Info.DriverUID, (uint8_t *)Data, DataLength);
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CurrentPacket = (CurrentPacket + DataLength + 4 + 3) & (~3);
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if (CurrentPacket > 8192)
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CurrentPacket -= 8192;
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RTLOW(0x38, CurrentPacket - 0x10);
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RTLOW(0x3E, (1 << 0) | (1 << 2));
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break;
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}
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case SendReason:
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{
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RTLOL(TSAD[TXCurrent], static_cast<uint32_t>(reinterpret_cast<uint64_t>(Data->NetworkCallback.Data)));
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RTLOL(TSD[TXCurrent++], Data->NetworkCallback.Length);
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if (TXCurrent > 3)
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TXCurrent = 0;
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break;
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}
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default:
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{
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KAPI->Util.DebugPrint(((char *)"Unknown reason." + KAPI->Info.Offset), KAPI->Info.DriverUID);
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break;
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}
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}
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return OK;
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}
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