*
* Universal Host Controller Interface
*/
-#define DEBUG 0
+#define DEBUG 1
#define VERSION VER2(0,5)
#include <acess.h>
#include <vfs.h>
void UHCI_Cleanup();
tUHCI_TD *UHCI_int_AllocateTD(tUHCI_Controller *Cont);
void UHCI_int_AppendTD(tUHCI_Controller *Cont, tUHCI_TD *TD);
-void *UHCI_int_SendTransaction(tUHCI_Controller *Cont, int Addr, Uint8 Type, int bTgl, tUSBHostCb Cb, void *Data, size_t Length);
-void *UHCI_DataIN(void *Ptr, int Fcn, int Endpt, int DataTgl, tUSBHostCb Cb, void *Data, size_t Length);
-void *UHCI_DataOUT(void *Ptr, int Fcn, int Endpt, int DataTgl, tUSBHostCb Cb, void *Data, size_t Length);
-void *UHCI_SendSetup(void *Ptr, int Fcn, int Endpt, int DataTgl, tUSBHostCb Cb, void *Data, size_t Length);
+void *UHCI_int_SendTransaction(tUHCI_Controller *Cont, int Addr, Uint8 Type, int bTgl, tUSBHostCb Cb, void *CbData, void *Buf, size_t Length);
+void *UHCI_DataIN(void *Ptr, int Fcn, int Endpt, int DataTgl, tUSBHostCb Cb, void *CbData, void *Buf, size_t Length);
+void *UHCI_DataOUT(void *Ptr, int Fcn, int Endpt, int DataTgl, tUSBHostCb Cb, void *CbData, void *Buf, size_t Length);
+void *UHCI_SendSetup(void *Ptr, int Fcn, int Endpt, int DataTgl, tUSBHostCb Cb, void *CbData, void *Buf, size_t Length);
int UHCI_IsTransferComplete(void *Ptr, void *Handle);
int UHCI_Int_InitHost(tUHCI_Controller *Host);
void UHCI_CheckPortUpdate(void *Ptr);
return NULL;
}
+tUHCI_TD *UHCI_int_GetTDFromPhys(tPAddr PAddr)
+{
+ // TODO: Fix this to work with a non-contiguous pool
+ static tPAddr td_pool_base;
+ if(!td_pool_base) td_pool_base = MM_GetPhysAddr( (tVAddr)gaUHCI_TDPool );
+ return gaUHCI_TDPool + (PAddr - td_pool_base) / sizeof(gaUHCI_TDPool[0]);
+}
+
void UHCI_int_AppendTD(tUHCI_Controller *Cont, tUHCI_TD *TD)
{
int next_frame = (inw(Cont->IOBase + FRNUM) + 2) & (1024-1);
- tPAddr td_pool_base = MM_GetPhysAddr( (tVAddr)gaUHCI_TDPool );
tUHCI_TD *prev_td;
Uint32 link;
// TODO: How to handle FRNUM incrementing while we are in this function?
+// LOG("USBINTR = 0x%x", inw(Cont->IOBase + USBINTR));
+
// Empty list
if( Cont->FrameList[next_frame] & 1 )
{
// Find the end of the list
link = Cont->FrameList[next_frame];
do {
- // TODO: Fix this to work with a non-contiguous pool
- prev_td = gaUHCI_TDPool + (link - td_pool_base) / sizeof(gaUHCI_TDPool[0]);
+ prev_td = UHCI_int_GetTDFromPhys(link);
link = prev_td->Link;
} while( !(link & 1) );
* \param Addr Function Address * 16 + Endpoint
* \param bTgl Data toggle value
*/
-void *UHCI_int_SendTransaction(tUHCI_Controller *Cont, int Addr, Uint8 Type, int bTgl, tUSBHostCb Cb, void *Data, size_t Length)
+void *UHCI_int_SendTransaction(
+ tUHCI_Controller *Cont, int Addr, Uint8 Type, int bTgl,
+ tUSBHostCb Cb, void *CbData, void *Data, size_t Length)
{
tUHCI_TD *td;
td = UHCI_int_AllocateTD(Cont);
if( !td ) {
- //
+ // TODO: Wait for one to free?
Log_Error("UHCI", "No avaliable TDs, transaction dropped");
return NULL;
}
);
// TODO: Need to enable IOC to copy the data back
// td->BufferPointer =
+ td->_info.bCopyData = 1;
return NULL;
}
else {
td->BufferPointer = MM_GetPhysAddr( (tVAddr)Data );
+ td->_info.bCopyData = 0;
}
// Interrupt on completion
if( Cb ) {
td->Control |= (1 << 24);
+ LOG("IOC Cb=%p CbData=%p", Cb, CbData);
td->_info.Callback = Cb; // NOTE: if ERRPTR then the TD is kept allocated until checked
- if( Cb != INVLPTR )
- {
- Log_Warning("UHCI", "TODO: Support IOC... somehow");
- }
+ td->_info.CallbackPtr = CbData;
}
- td->_info.DestPtr = Data;
+ td->_info.DataPtr = Data;
UHCI_int_AppendTD(Cont, td);
return td;
}
-void *UHCI_DataIN(void *Ptr, int Fcn, int Endpt, int DataTgl, tUSBHostCb Cb, void *Data, size_t Length)
+void *UHCI_DataIN(void *Ptr, int Fcn, int Endpt, int DataTgl, tUSBHostCb Cb, void *CbData, void *Buf, size_t Length)
{
- return UHCI_int_SendTransaction(Ptr, Fcn*16+Endpt, 0x69, DataTgl, Cb, Data, Length);
+ return UHCI_int_SendTransaction(Ptr, Fcn*16+Endpt, 0x69, DataTgl, Cb, CbData, Buf, Length);
}
-void *UHCI_DataOUT(void *Ptr, int Fcn, int Endpt, int DataTgl, tUSBHostCb Cb, void *Data, size_t Length)
+void *UHCI_DataOUT(void *Ptr, int Fcn, int Endpt, int DataTgl, tUSBHostCb Cb, void *CbData, void *Buf, size_t Length)
{
- return UHCI_int_SendTransaction(Ptr, Fcn*16+Endpt, 0xE1, DataTgl, Cb, Data, Length);
+ return UHCI_int_SendTransaction(Ptr, Fcn*16+Endpt, 0xE1, DataTgl, Cb, CbData, Buf, Length);
}
-void *UHCI_SendSetup(void *Ptr, int Fcn, int Endpt, int DataTgl, tUSBHostCb Cb, void *Data, size_t Length)
+void *UHCI_SendSetup(void *Ptr, int Fcn, int Endpt, int DataTgl, tUSBHostCb Cb, void *CbData, void *Buf, size_t Length)
{
- return UHCI_int_SendTransaction(Ptr, Fcn*16+Endpt, 0x2D, DataTgl, Cb, Data, Length);
+ return UHCI_int_SendTransaction(Ptr, Fcn*16+Endpt, 0x2D, DataTgl, Cb, CbData, Buf, Length);
}
int UHCI_IsTransferComplete(void *Ptr, void *Handle)
{
tUHCI_TD *td = Handle;
- return !(td->Control & (1 << 23));
+ int ret;
+ ret = !(td->Control & (1 << 23));
+ if(ret) {
+ td->_info.Callback = NULL;
+ td->Link = 1;
+ }
+ return ret;
}
// === INTERNAL FUNCTIONS ===
void UHCI_InterruptHandler(int IRQ, void *Ptr)
{
tUHCI_Controller *Host = Ptr;
+ int frame = ((int)inw(Host->IOBase + FRNUM) & 0x3FF) - 1;
Uint16 status = inw(Host->IOBase + USBSTS);
- Log_Debug("UHCI", "UHIC Interrupt, status = 0x%x", status);
+ if(frame < 0) frame += 1024;
+ Log_Debug("UHCI", "UHIC Interrupt, status = 0x%x, frame = %i", status, frame);
+ // Interrupt-on-completion
if( status & 1 )
{
- // Interrupt-on-completion
+ tPAddr link;
+
+ link = Host->FrameList[frame];
+ Host->FrameList[frame] = 1;
+ while( !(link & 1) )
+ {
+ tUHCI_TD *td = UHCI_int_GetTDFromPhys(link);
+ int byte_count = (td->Control&0x7FF)+1;
+ LOG("link = 0x%x, td = %p, byte_count = %i", link, td, byte_count);
+ // Handle non-page aligned destination
+ // TODO: This will break if the destination is not in global memory
+ if(td->_info.bCopyData)
+ {
+ void *ptr = (void*)MM_MapTemp(td->BufferPointer);
+ memcpy(td->_info.DataPtr, ptr, byte_count);
+ MM_FreeTemp((tVAddr)ptr);
+ }
+ // Callback
+ if(td->_info.Callback && td->_info.Callback != INVLPTR)
+ {
+ LOG("Calling cb %p", td->_info.Callback);
+ td->_info.Callback(td->_info.CallbackPtr, td->_info.DataPtr, byte_count);
+ td->_info.Callback = NULL;
+ }
+ link = td->Link;
+ if( td->_info.Callback != INVLPTR )
+ td->Link = 1;
+ }
+
+// Host->LastCleanedFrame = frame;
}
+ LOG("status = 0x%02x", status);
outw(Host->IOBase + USBSTS, status);
}
git.ucc.asn.au / tpg / acess2.git / blobdiff
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