From: John Hodge (sonata) <tpg@mutabah.net>
Date: Thu, 8 Aug 2013 04:05:42 +0000 (+0800)
Subject: Modules/PRO100 - Starting on an Intel PRO/100 driver
X-Git-Tag: rel0.15~287^2~1
X-Git-Url: https://git.ucc.asn.au/?a=commitdiff_plain;h=f50dbc2e4980dd0d41d2188bab68bc20d605c1b3;p=tpg%2Facess2.git

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
index 00000000..d5dc161d
--- /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
index 00000000..9a14f7c7
--- /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
+