// Ensure that there is an interrupt for each used frame
TD->Control |= (1 << 24);
TD->_info.QueueIndex = ((tVAddr)QH - (tVAddr)Cont->TDQHPage->InterruptQHs) / sizeof(tUHCI_QH);
+ // Update length
+ TD->Control &= ~0x7FF;
+ TD->Control |= (TD->Token >> 21) & 0x7FF;
// Stop controller
_OutWord( Cont, USBCMD, 0x0000 );
void UHCI_int_SetInterruptPoll(tUHCI_Controller *Cont, tUHCI_TD *TD, int Period)
{
tUHCI_QH *qh;
- const int qh_offsets[] = { 0, 64, 96, 112, 120, 124, 126};
-// const int qh_sizes[] = {64, 32, 16, 8, 4, 2, 1};
+ const int qh_offsets[] = {126, 124, 120, 112, 96, 64, 0};
+// const int qh_sizes[] = { 1, 2, 4, 8, 16, 32, 64};
// Bounds limit
if( Period < 0 ) return ;
if( Period > 256 ) Period = 256;
+ if( Period == 255 ) Period = 256;
// Get the log base2 of the period
int period_slot = 0;
LOG("period_slot = %i, QueueIndex = %i",
period_slot, TD->_info.QueueIndex);
+ // Stop any errors causing the TD to stop (NAK will error)
+ // - If the device goes away, the interrupt should be stopped anyway
+ TD->Control &= ~(3 << 27);
+
UHCI_int_AppendTD(Cont, qh, TD);
}
if( Period < 0 ) return NULL;
- ENTER("pPtr xDest iPeriod pCb pCbData pBuf, iLength",
+ ENTER("pPtr xDest iPeriod pCb pCbData pBuf iLength",
Ptr, Dest, Period, Cb, CbData, Buf, Length);
// TODO: Data toggle?
void UHCI_StopInterrupt(void *Ptr, void *Handle)
{
// TODO: Stop interrupt transaction
+ Log_Error("UHCI", "TODO: Implement UHCI_StopInterrupt");
}
void *UHCI_ControlSETUP(void *Ptr, int Dest, int Tgl, void *Data, size_t Length)
_OutWord( Cont, USBCMD, 0x0001 );
}
+void UHCI_int_HandleTDComplete(tUHCI_Controller *Cont, tUHCI_TD *TD)
+{
+ int byte_count = (TD->Control & 0x7FF)+1;
+ tUHCI_ExtraTDInfo *info = TD->_info.ExtraInfo;
+
+ // Handle non page-aligned destination (or with a > 32-bit paddr)
+ // TODO: Needs fixing for alignment issues
+ if(info->FirstPage)
+ {
+ char *src, *dest;
+ int src_ofs = TD->BufferPointer & (PAGE_SIZE-1);
+ src = (void *) MM_MapTemp(TD->BufferPointer);
+ dest = (void *) MM_MapTemp(info->FirstPage);
+ // Check for a single page transfer
+ if( byte_count + info->Offset <= PAGE_SIZE )
+ {
+ LOG("Single page copy %P to %P of %p",
+ TD->BufferPointer, info->FirstPage, TD);
+ memcpy(dest + info->Offset, src + src_ofs, byte_count);
+ }
+ else
+ {
+ // Multi-page
+ LOG("Multi page copy %P to (%P,%P) of %p",
+ TD->BufferPointer, info->FirstPage, info->SecondPage, TD);
+ int part_len = PAGE_SIZE - info->Offset;
+ memcpy(dest + info->Offset, src + src_ofs, part_len);
+ MM_FreeTemp( (tVAddr)dest );
+ dest = (void *) MM_MapTemp(info->SecondPage);
+ memcpy(dest, src + src_ofs + part_len, byte_count - part_len);
+ }
+ MM_FreeTemp( (tVAddr)src );
+ MM_FreeTemp( (tVAddr)dest );
+ }
+
+ // Callback
+ if( info->Callback != NULL )
+ {
+ LOG("Calling cb %p (%i bytes)", info->Callback, byte_count);
+ void *ptr = (void *) MM_MapTemp( TD->BufferPointer );
+ info->Callback( info->CallbackPtr, ptr, byte_count );
+ MM_FreeTemp( (tVAddr)ptr );
+ }
+
+ // Clean up info
+ if( TD->_info.QueueIndex > 127 )
+ {
+ free( info );
+ TD->_info.ExtraInfo = NULL;
+ }
+}
+
void UHCI_int_InterruptThread(void *Pointer)
{
tUHCI_Controller *Cont = Pointer;
for( int i = 0; i < NUM_TDs; i ++ )
{
- int byte_count;
- tUHCI_ExtraTDInfo *info;
tUHCI_TD *td;
td = &gaUHCI_TDPool[i];
- info = td->_info.ExtraInfo;
// Skip completely inactive TDs
if( td->_info.bActive == 0 ) continue ;
// If no callback/alt buffer, mark as free and move on
if( td->_info.ExtraInfo )
{
- // Get size of transfer
- byte_count = (td->Control & 0x7FF)+1;
-
- // Handle non page-aligned destination (or with a > 32-bit paddr)
- if(info->FirstPage)
- {
- char *src, *dest;
- int src_ofs = td->BufferPointer & (PAGE_SIZE-1);
- src = (void *) MM_MapTemp(td->BufferPointer);
- dest = (void *) MM_MapTemp(info->FirstPage);
- // Check for a single page transfer
- if( byte_count + info->Offset <= PAGE_SIZE )
- {
- LOG("Single page copy %P to %P of %p",
- td->BufferPointer, info->FirstPage, td);
- memcpy(dest + info->Offset, src + src_ofs, byte_count);
- }
- else
- {
- // Multi-page
- LOG("Multi page copy %P to (%P,%P) of %p",
- td->BufferPointer, info->FirstPage, info->SecondPage, td);
- int part_len = PAGE_SIZE - info->Offset;
- memcpy(dest + info->Offset, src + src_ofs, part_len);
- MM_FreeTemp( (tVAddr)dest );
- dest = (void *) MM_MapTemp(info->SecondPage);
- memcpy(dest, src + src_ofs + part_len, byte_count - part_len);
- }
- MM_FreeTemp( (tVAddr)src );
- MM_FreeTemp( (tVAddr)dest );
- }
-
- // Callback
- if( info->Callback != NULL )
- {
- LOG("Calling cb %p", info->Callback);
- void *ptr = (void *) MM_MapTemp( td->BufferPointer );
- info->Callback( info->CallbackPtr, ptr, byte_count );
- MM_FreeTemp( (tVAddr)ptr );
- }
-
- // Clean up info
- free( info );
- td->_info.ExtraInfo = NULL;
+ UHCI_int_HandleTDComplete(Cont, td);
}
+ // Error check
+ if( td->Control & 0x00FF0000 ) {
+ LOG("td->control(Status) = %s%s%s%s%s%s%s%s",
+ td->Control & (1 << 23) ? "Active " : "",
+ td->Control & (1 << 22) ? "Stalled " : "",
+ td->Control & (1 << 21) ? "Data Buffer Error " : "",
+ td->Control & (1 << 20) ? "Babble " : "",
+ td->Control & (1 << 19) ? "NAK " : "",
+ td->Control & (1 << 18) ? "CRC Error, " : "",
+ td->Control & (1 << 17) ? "Bitstuff Error, " : "",
+ td->Control & (1 << 16) ? "Reserved " : ""
+ );
+ // Clean up QH (removing all inactive entries)
+ UHCI_int_CleanQH(Cont, Cont->TDQHPage->InterruptQHs + td->_info.QueueIndex);
+ }
+
+ // Handle rescheduling of interrupt TDs
if( td->_info.QueueIndex <= 127 )
{
LOG("Re-schedule interrupt %p (offset %i)", td, td->_info.QueueIndex);
continue ;
}
+ // Clean up
if( td->_info.bFreePointer )
MM_DerefPhys( td->BufferPointer );
- // Error check
- if( td->Control & 0x00FF0000 ) {
- LOG("td->control(Status) = %s%s%s%s%s%s%s%s",
- td->Control & (1 << 23) ? "Active " : "",
- td->Control & (1 << 22) ? "Stalled " : "",
- td->Control & (1 << 21) ? "Data Buffer Error " : "",
- td->Control & (1 << 20) ? "Babble " : "",
- td->Control & (1 << 19) ? "NAK " : "",
- td->Control & (1 << 18) ? "CRC Error, " : "",
- td->Control & (1 << 17) ? "Bitstuff Error, " : "",
- td->Control & (1 << 16) ? "Reserved " : ""
- );
- // Clean up QH (removing all inactive entries)
- UHCI_int_CleanQH(Cont, Cont->TDQHPage->InterruptQHs + td->_info.QueueIndex);
- }
-
// Clean up
LOG("Cleaned %p (->Control = %x)", td, td->Control);
td->_info.bActive = 0;