Modules/PRO100 - Starting on an Intel PRO/100 driver

diff --git a/KernelLand/Modules/Network/PRO100/main.c b/KernelLand/Modules/Network/PRO100/main.c
new file mode 100644 (file)
index 0000000..d5dc161
--- /dev/null
+++ b/KernelLand/Modules/Network/PRO100/main.c
@@ -0,0 +1,114 @@
+/*
+ * Acess2 PRO/100 Driver
+ * - By John Hodge (thePowersGang)
+ *
+ * main.c
+ * - Driver core
+ *
+ * Built with reference to the linux e100 driver (drivers/net/ethernet/intel/e100.c)
+ * 82559-fast-ethernet-multifunciton-pci-datasheet.pdf
+ */
+#include <acess.h>
+#include <IPStack/include/adapter_api.h>
+#include <modules.h>
+
+// === CONSTANTS ===
+const Uint16   caSupportedCards[][2] = {
+       {0x8086, 0x103D},
+       };
+const int      ciNumSupportedCards = sizeof(caSupportedCards)/sizeof(caSupportedCards[0]);
+
+// === PROTOTYPES ===
+ int   PRO100_Install(char **Arguments);
+ int   PRO100_InitCard(tCard *Card);
+void   PRO100_Cleanup(void);
+tIPStackBuffer *PRO100_WaitForPacket(void *Ptr);
+ int   PRO100_SendPacket(void *Ptr, tIPStackBuffer *Buffer);
+void   PRO100_IRQHandler(int Num, void *Ptr);
+
+size_t PRO100_int_ReadEEPROM(tCard *Card, size_t Ofs, size_t Len, void *Buffer);
+// === GLOBALS ===
+MODULE_DEFINE(0, PRO100, PRO100_Install, PRO100_Cleanup, "IPStack", NULL);
+tIPStack_AdapterType   gPRO100_AdapterType = {
+       .Name = "PRO/100",
+       .Type = ADAPTERTYPE_ETHERNET_100M,
+       .Flags = 0,     
+       .SendPacket = PRO100_SendPacket,
+       .WaitForPacket = PRO100_WaitForPacket
+       
+};
+
+// === CODE ===
+int PRO100_Install(char **Arguments)
+{
+       return MODULE_ERR_OK;
+}
+
+int PRO100_InitCard(tCard *Card)
+{
+       // Card reset
+       Card->MMIO->Port = PORT_SELECTIVERESET;
+       // - Write Flush, wait 20us
+       Card->MMIO->Port = PORT_SOFTWARERESET;
+       // - Write Flush, wait 20us
+
+       // Read MAC address
+       Card->MAC.Words[0] = PRO100_int_ReadEEPROM(Card, 0);
+       Card->MAC.Words[1] = PRO100_int_ReadEEPROM(Card, 1);
+       Card->MAC.Words[2] = PRO100_int_ReadEEPROM(Card, 2);
+       
+       return 0;
+}
+
+void PRO100_Cleanup(void)
+{
+       return 0;
+}
+
+tIPStackBuffer *PRO100_WaitForPacket(void *Ptr)
+{
+}
+
+int PRO100_SendPacket(void *Ptr, tIPStackBuffer *Buffer)
+{
+       
+}
+
+void PRO100_IRQHandler(int Num, void *Ptr)
+{
+       
+}
+
+Uint16 PRO100_int_ReadEEPROM(tCard *Card, size_t Ofs)
+{
+       Uint8   addr_len = 8;
+       Uint32  addr_data = ((EEPROM_OP_READ << addr_len) | Ofs) << 16;
+       
+       Card->MMIO->EEPROMCtrl = EEPROM_CTRL_CS | EEPROM_CTRL_SK;
+       // Flush + 4us
+       
+       for( int i = 32; i --; )
+       {
+               Uint8   ctrl = EEPROM_CTRL_CS | ((addr_data & (1 << i)) ? EEPROM_CTRL_DI : 0);
+               Card->MMIO->EEPROMCtrl = ctrl;
+               // Flush + 4us
+               Card->MMIO->EEPROMCtrl = ctrl | EEPROM_CTRL_SK;
+               // Flush + 4us
+               
+               ctrl = Card->MMIO->EEPROMCtrl;
+               // Once the address is fully recieved, the card emits a zero bit
+               if( !(ctrl & EEPROM_CTRL_DO) && i > 16 )
+               {
+                       addr_len = addr_len - (i - 16);
+                       i = 17;
+               }
+               
+               data = (data << 1) | (ctrl & EEPROM_CTRL_DO ? 1 : 0)
+       }
+
+       // Deslect chip
+       Card->MMIO->EEPROMCtrl = 0;     
+       // Flush + 4us
+
+       return (data & 0xFFFF);
+}

diff --git a/KernelLand/Modules/Network/PRO100/pro100.h b/KernelLand/Modules/Network/PRO100/pro100.h
new file mode 100644 (file)
index 0000000..9a14f7c
--- /dev/null
+++ b/KernelLand/Modules/Network/PRO100/pro100.h
@@ -0,0 +1,63 @@
+/*
+ 
+ */
+#ifndef _PRO100_H_
+#define _PRO100_H_
+
+struct sCSR
+{
+       Uint16  Status;
+       Uint16  Command;
+       
+       Uint32  GenPtr;
+       Uint32  Port;
+       
+       Uint16  FlashCtrl;
+       Uint16  EEPROMCtrl;
+       
+       Uint32  MDICtrl;
+       Uint32  RXDMACount;
+};
+
+#define STATUS_RUS_MASK        0x003C  // Receive Unit Status
+#define STATUS_CUS_MASK        0x00C0  // Comamnd Unit Status
+#define STATUS_FCP     0x0100  // Flow Control Pause
+#define STATUS_ER      0x0200  // Early Recieve
+#define STATUS_SWI     0x0400  // Software Interrupt
+#define STATUS_MDI     0x0800  // Management Data Interrupt
+#define STATUS_RNR     0x1000  // Receive Not Ready
+#define STATUS_CNA     0x2000  // Command Unit not active
+#define STATUS_FR      0x4000  // Frame Recieved
+#define STATUS_CX      0x8000  // Command Unit executed
+
+#define CMD_RUC        0x0007
+#define CMD_CUC        0x00F0
+#define CMD_M  0x0100  // Interrupt Mask
+#define CMD_SI 0x0200  // Software Interrupt
+
+#define MDI_IE (1 << 29)
+#define MDI_RDY        (1 << 28)
+
+#define EEPROM_CTRL_SK 0x01    // 
+#define EEPROM_CTRL_CS 0x02
+#define EEPROM_CTRL_DI 0x04
+#define EEPROM_CTRL_DO 0x08
+
+enum ePortCommands {
+       PORT_SOFTWARERESET      = 0,
+       PORT_SELFTEST   = 1,
+       PORT_SELECTIVERESET     = 2,
+};
+
+struct sCommandBuffer
+{
+       Uint16  Status;
+       Uint16  Command;
+       Uint32  Link;
+       
+       tIPStackBuffer  *Buffer;
+       tCommandBuffer  *Next;
+} __align__(4);
+
+#endif
+