Kernel - Added pointer to IRQ callbacks

[tpg/acess2.git] / Modules / USB / Core / uhci.c

diff --git a/Modules/USB/Core/uhci.c b/Modules/USB/Core/uhci.c
index 0a0f003..5a71d65 100644 (file)
--- a/Modules/USB/Core/uhci.c
+++ b/Modules/USB/Core/uhci.c
@@ -16,12 +16,23 @@
 // === PROTOTYPES ===
  int   UHCI_Initialise();
 void   UHCI_Cleanup();
- int   UHCI_IOCtl(tVFS_Node *node, int id, void *data);
+tUHCI_TD       *UHCI_int_AllocateTD(tUHCI_Controller *Cont);
+void   UHCI_int_AppendTD(tUHCI_Controller *Cont, tUHCI_TD *TD);
+ int   UHCI_int_SendTransaction(tUHCI_Controller *Cont, int Fcn, int Endpt, int DataTgl, Uint8 Type, void *Data, size_t Length);
+ int   UHCI_DataIN(void *Ptr, int Fcn, int Endpt, int DataTgl, void *Data, size_t Length);
+ int   UHCI_DataOUT(void *Ptr, int Fcn, int Endpt, int DataTgl, void *Data, size_t Length);
+ int   UHCI_SendSetup(void *Ptr, int Fcn, int Endpt, int DataTgl, void *Data, size_t Length);
  int   UHCI_Int_InitHost(tUHCI_Controller *Host);
+void   UHCI_InterruptHandler(int IRQ, void *Ptr);
 
 // === GLOBALS ===
 tUHCI_TD       gaUHCI_TDPool[NUM_TDs];
 tUHCI_Controller       gUHCI_Controllers[MAX_CONTROLLERS];
+tUSBHost       gUHCI_HostDef = {
+       .SendIN = UHCI_DataIN,
+       .SendOUT = UHCI_DataOUT,
+       .SendSETUP = UHCI_SendSetup,
+       };
 
 // === CODE ===
 /**
@@ -53,6 +64,8 @@ int UHCI_Initialise(const char **Arguments)
                Log_Debug("UHCI", "Controller PCI #%i: IO Base = 0x%x, IRQ %i",
                        id, cinfo->IOBase, cinfo->IRQNum);
                
+               IRQ_AddHandler(cinfo->IRQNum, UHCI_InterruptHandler, cinfo);
+       
                // Initialise Host
                ret = UHCI_Int_InitHost(&gUHCI_Controllers[i]);
                // Detect an error
@@ -61,6 +74,8 @@ int UHCI_Initialise(const char **Arguments)
                        return ret;
                }
                
+               USB_RegisterHost(&gUHCI_HostDef, cinfo);
+
                i ++;
        }
        if(i == MAX_CONTROLLERS) {
@@ -78,22 +93,39 @@ void UHCI_Cleanup()
 {
 }
 
+tUHCI_TD *UHCI_int_AllocateTD(tUHCI_Controller *Cont)
+{
+        int    i;
+       for(i = 0; i < NUM_TDs; i ++)
+       {
+               if(gaUHCI_TDPool[i].Link == 0) {
+                       gaUHCI_TDPool[i].Link = 1;
+                       return &gaUHCI_TDPool[i];
+               }
+       }
+       return NULL;
+}
+
+void UHCI_int_AppendTD(tUHCI_Controller *Cont, tUHCI_TD *TD)
+{
+       
+}
+
 /**
  * \brief Send a transaction to the USB bus
  * \param ControllerID Controller
  * \param Fcn  Function Address
  * \param Endpt        Endpoint
  */
-int UHCI_int_SendTransaction(int ControllerID, int Fcn, int Endpt, int DataTgl, Uint8 Type, void *Data, size_t Length)
+int UHCI_int_SendTransaction(tUHCI_Controller *Cont, int Fcn, int Endpt, int DataTgl, Uint8 Type, void *Data, size_t Length)
 {
-       tUHCI_Controller *cont = &gUHCI_Controllers[ControllerID];
        tUHCI_TD        *td;
 
        if( Length > 0x400 )    return -1;      // Controller allows up to 0x500, but USB doesn't
 
-       td = UHCI_Int_AllocateTD(cont);
+       td = UHCI_int_AllocateTD(Cont);
 
-       td->Link = 0;
+       td->Link = 1;
        td->Control = (Length - 1) & 0x7FF;
        td->Token  = ((Length - 1) & 0x7FF) << 21;
        td->Token |= (DataTgl & 1) << 19;
@@ -101,34 +133,37 @@ int UHCI_int_SendTransaction(int ControllerID, int Fcn, int Endpt, int DataTgl,
        td->Token |= (Fcn & 0xFF) << 8;
        td->Token |= Type;
 
+       // TODO: Ensure 32-bit paddr
        if( ((tVAddr)Data & PAGE_SIZE) + Length > PAGE_SIZE ) {
                Log_Warning("UHCI", "TODO: Support non single page transfers");
 //             td->BufferPointer = 
                return 1;
        }
        else {
-               td->BufferPointer = MM_GetPhysAddr(Data);
+               td->BufferPointer = MM_GetPhysAddr( (tVAddr)Data );
        }
 
-       UHCI_int_AppendTD(td);
+       UHCI_int_AppendTD(Cont, td);
 
        // Wait until done, then return
+       while(td->Link != 0)
+               Threads_Yield();
        return 0;
 }
 
-int UHCI_DataIN(int ControllerID, int Fcn, int Endpt, int DataTgl, void *Data, size_t Length)
+int UHCI_DataIN(void *Ptr, int Fcn, int Endpt, int DataTgl, void *Data, size_t Length)
 {
-       return UHCI_int_SendPacket(ControllerID, Fcn, Endpt, DataTgl, 0x69, Data, Length);
+       return UHCI_int_SendTransaction(Ptr, Fcn, Endpt, DataTgl, 0x69, Data, Length);
 }
 
-int UHCI_DataOUT(int ControllerID, int Fcn, int Endpt, int DataTgl, void *Data, size_t Length)
+int UHCI_DataOUT(void *Ptr, int Fcn, int Endpt, int DataTgl, void *Data, size_t Length)
 {
-       return UHCI_int_SendPacket(ControllerID, Fcn, Endpt, DataTgl, 0xE1, Data, Length);
+       return UHCI_int_SendTransaction(Ptr, Fcn, Endpt, DataTgl, 0xE1, Data, Length);
 }
 
-int UHCI_SendSetup(int ControllerID, int Fcn, int Endpt, int DataTgl, void *Data, size_t Length)
+int UHCI_SendSetup(void *Ptr, int Fcn, int Endpt, int DataTgl, void *Data, size_t Length)
 {
-       return UHCI_int_SendPacket(ControllerID, Fcn, Endpt, DataTgl, 0x2D, Data, Length);
+       return UHCI_int_SendTransaction(Ptr, Fcn, Endpt, DataTgl, 0x2D, Data, Length);
 }
 
 // === INTERNAL FUNCTIONS ===
@@ -140,7 +175,7 @@ int UHCI_SendSetup(int ControllerID, int Fcn, int Endpt, int DataTgl, void *Data
 int UHCI_Int_InitHost(tUHCI_Controller *Host)
 {
        ENTER("pHost", Host);
-       
+
        outw( Host->IOBase + USBCMD, 4 );       // GRESET
        // TODO: Wait for at least 10ms
        outw( Host->IOBase + USBCMD, 0 );       // GRESET
@@ -169,8 +204,13 @@ int UHCI_Int_InitHost(tUHCI_Controller *Host)
        outw( Host->IOBase + FRNUM, 0 );
        
        // Enable Interrupts
-       //PCI_WriteWord( Host->PciId, 0xC0, 0x2000 );
+//     PCI_WriteWord( Host->PciId, 0xC0, 0x2000 );
        
        LEAVE('i', 0);
        return 0;
 }
+
+void UHCI_InterruptHandler(int IRQ, void *Ptr)
+{
+       
+}