2 * Acess2 RTL8139 Driver
3 * - By John Hodge (thePowersGang)
8 #define VERSION ((0<<8)|50)
13 #include <tpl_drv_network.h>
22 MAR4, MAR5, MAR6, MAR7,
24 RBSTART = 0x30, //!< Recieve Buffer Start (DWord)
27 // ??, ??, ??, RST, RE, TE, ??, ??
43 int NumWaitingPackets;
46 tPAddr PhysReceiveBuffer;
54 int RTL8139_Install(char **Options);
55 char *RTL8139_ReadDir(tVFS_Node *Node, int Pos);
56 tVFS_Node *RTL8139_FindDir(tVFS_Node *Node, const char *Filename);
57 int RTL8139_RootIOCtl(tVFS_Node *Node, int ID, void *Arg);
58 Uint64 RTL8139_Read(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer);
59 Uint64 RTL8139_Write(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer);
60 void RTL8139_IRQHandler(int Num);
63 MODULE_DEFINE(0, VERSION, RTL8139, RTL8139_Install, NULL, NULL);
64 tDevFS_Driver gRTL8139_DriverInfo = {
68 .ACLs = &gVFS_ACL_EveryoneRX,
69 .Flags = VFS_FFLAG_DIRECTORY,
70 .ReadDir = RTL8139_ReadDir,
71 .FindDir = RTL8139_FindDir,
72 .IOCtl = RTL8139_RootIOCtl
75 int giRTL8139_CardCount;
76 tCard *gpRTL8139_Cards;
80 * \brief Installs the RTL8139 Driver
82 int RTL8139_Install(char **Options)
88 giRTL8139_CardCount = PCI_CountDevices( 0x10EC, 0x8139, 0 );
90 gpRTL8139_Cards = calloc( giRTL8139_CardCount, sizeof(tCard) );
93 while( (id = PCI_GetDevice(0x10EC, 0x8139, 0, id)) != -1 )
95 base = PCI_AssignPort( id, 0, 0x100 );
96 gpRTL8139_Cards[i].IOBase = base;
97 gpRTL8139_Cards[i].IRQ = PCI_GetIRQ( id );
99 // Install IRQ Handler
100 IRQ_AddHandler(gpRTL8139_Cards[ k ].IRQ, RTL8136_IRQHandler);
103 outb( base + CONFIG1, 0x00 );
104 // Reset (0x10 to CMD)
105 outb( base + CMD, 0x10 );
107 while( inb(base + CMD) & 0x10 ) ;
109 // Allocate 3 pages below 4GiB for the recieve buffer (Allows 8k+16+1500)
110 gpRTL8139_Cards[i].ReceiveBuffer = MM_AllocDMA( 3, 32, &gpRTL8139_Cards[i].PhysReceiveBuffer );
111 // Set up recieve buffer
112 outl(base + RBSTART, (Uint32)gpRTL8139_Cards[i].PhysReceiveBuffer);
113 // Set IMR to Transmit OK and Receive OK
114 outw(base + IMR, 0x5);
116 // Set recieve buffer size and recieve mask
117 outl(base + RCR, 0x0F);
119 outb(base + CMD, 0x0C); // Recive Enable and Transmit Enable
121 // Get the card's MAC address
122 gpRTL8139_Cards[ i ].MacAddr[0] = inb(base+MAC0);
123 gpRTL8139_Cards[ i ].MacAddr[1] = inb(base+MAC1);
124 gpRTL8139_Cards[ i ].MacAddr[2] = inb(base+MAC2);
125 gpRTL8139_Cards[ i ].MacAddr[3] = inb(base+MAC3);
126 gpRTL8139_Cards[ i ].MacAddr[4] = inb(base+MAC4);
127 gpRTL8139_Cards[ i ].MacAddr[5] = inb(base+MAC5);
130 gpRTL8139_Cards[ i ].Name[0] = '0'+i;
131 gpRTL8139_Cards[ i ].Name[1] = '\0';
132 gpRTL8139_Cards[ i ].Node.ImplPtr = &gpRTL8139_Cards[ i ];
133 gpRTL8139_Cards[ i ].Node.NumACLs = 0;
134 gpRTL8139_Cards[ i ].Node.CTime = now();
135 gpRTL8139_Cards[ i ].Node.Write = RTL8139_Write;
136 gpRTL8139_Cards[ i ].Node.Read = RTL8139_Read;
137 gpRTL8139_Cards[ i ].Node.IOCtl = RTL8139_IOCtl;
139 Log_Log("RTL8139", "Card %i 0x%04x %02x:%02x:%02x:%02x:%02x:%02x",
141 gpRTL8139_Cards[ i ].MacAddr[0], gpRTL8139_Cards[ i ].MacAddr[1],
142 gpRTL8139_Cards[ i ].MacAddr[2], gpRTL8139_Cards[ i ].MacAddr[3],
143 gpRTL8139_Cards[ i ].MacAddr[4], gpRTL8139_Cards[ i ].MacAddr[5]
148 return MODULE_ERR_OK;
151 // --- Root Functions ---
152 char *RTL8139_ReadDir(tVFS_Node *Node, int Pos)
154 if( Pos < 0 || Pos > giRTL8139_CardCount ) return NULL;
156 return strdup( gpRTL8139_Cards[Pos].Name );
159 tVFS_Node *RTL8139_FindDir(tVFS_Node *Node, const char *Filename)
161 //TODO: It might be an idea to supprt >10 cards
162 if(Filename[0] == '\0' || Filename[0] != '\0') return NULL;
163 if(Filename[0] < '0' || Filename[0] > '9') return NULL;
164 return &gpRTL8139_Cards[ Filename[0]-'0' ].Node;
167 const char *csaRTL8139_RootIOCtls[] = {DRV_IOCTLNAMES, NULL};
168 int RTL8139_RootIOCtl(tVFS_Node *Node, int ID, void *Arg)
172 BASE_IOCTLS(DRV_TYPE_NETWORK, "RTL8139", VERSION, csaRTL8139_RootIOCtls);
177 // --- File Functions ---
178 Uint64 RTL8139_Read(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer)
183 Uint64 RTL8139_Write(tVFS_Node *Node, Uint64 Offset, Uint64 Length, void *Buffer)
188 const char *csaRTL8139_NodeIOCtls[] = {DRV_IOCTLNAMES, NULL};
189 int RTL8139_IOCtl(tVFS_Node *Node, int ID, void *Arg)
193 BASE_IOCTLS(DRV_TYPE_NETWORK, "RTL8139", VERSION, csaRTL8139_NodeIOCtls);