92 lines
2.7 KiB
C
92 lines
2.7 KiB
C
//
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// dwhciframeschednsplit.c
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//
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// USPi - An USB driver for Raspberry Pi written in C
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// Copyright (C) 2014 R. Stange <rsta2@o2online.de>
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//
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// This program is free software: you can redistribute it and/or modify
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// it under the terms of the GNU General Public License as published by
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// the Free Software Foundation, either version 3 of the License, or
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// (at your option) any later version.
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//
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// This program is distributed in the hope that it will be useful,
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// but WITHOUT ANY WARRANTY; without even the implied warranty of
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// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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// GNU General Public License for more details.
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//
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// You should have received a copy of the GNU General Public License
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// along with this program. If not, see <http://www.gnu.org/licenses/>.
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//
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#include <uspi/dwhciframeschednsplit.h>
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#include <uspi/dwhciregister.h>
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#include <uspi/assert.h>
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#define FRAME_UNSET (DWHCI_MAX_FRAME_NUMBER+1)
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void DWHCIFrameSchedulerNoSplit (TDWHCIFrameSchedulerNoSplit *pThis, boolean bIsPeriodic)
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{
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assert (pThis != 0);
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TDWHCIFrameScheduler *pBase = (TDWHCIFrameScheduler *) pThis;
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pBase->_DWHCIFrameScheduler = _DWHCIFrameSchedulerNoSplit;
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pBase->StartSplit = DWHCIFrameSchedulerNoSplitStartSplit;
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pBase->CompleteSplit = DWHCIFrameSchedulerNoSplitCompleteSplit;
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pBase->TransactionComplete = DWHCIFrameSchedulerNoSplitTransactionComplete;
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pBase->WaitForFrame = DWHCIFrameSchedulerNoSplitWaitForFrame;
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pBase->IsOddFrame = DWHCIFrameSchedulerNoSplitIsOddFrame;
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pThis->m_bIsPeriodic = bIsPeriodic;
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pThis->m_nNextFrame = FRAME_UNSET;
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}
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void _DWHCIFrameSchedulerNoSplit (TDWHCIFrameScheduler *pBase)
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{
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}
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void DWHCIFrameSchedulerNoSplitStartSplit (TDWHCIFrameScheduler *pBase)
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{
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assert (0);
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}
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boolean DWHCIFrameSchedulerNoSplitCompleteSplit (TDWHCIFrameScheduler *pBase)
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{
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assert (0);
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return FALSE;
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}
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void DWHCIFrameSchedulerNoSplitTransactionComplete (TDWHCIFrameScheduler *pBase, u32 nStatus)
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{
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assert (0);
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}
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void DWHCIFrameSchedulerNoSplitWaitForFrame (TDWHCIFrameScheduler *pBase)
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{
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TDWHCIFrameSchedulerNoSplit *pThis = (TDWHCIFrameSchedulerNoSplit *) pBase;
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assert (pThis != 0);
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TDWHCIRegister FrameNumber;
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DWHCIRegister (&FrameNumber, DWHCI_HOST_FRM_NUM);
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pThis->m_nNextFrame = (DWHCI_HOST_FRM_NUM_NUMBER (DWHCIRegisterRead (&FrameNumber))+1) & DWHCI_MAX_FRAME_NUMBER;
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if (!pThis->m_bIsPeriodic)
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{
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while ((DWHCI_HOST_FRM_NUM_NUMBER (DWHCIRegisterRead (&FrameNumber)) & DWHCI_MAX_FRAME_NUMBER) != pThis->m_nNextFrame)
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{
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// do nothing
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}
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}
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_DWHCIRegister (&FrameNumber);
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}
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boolean DWHCIFrameSchedulerNoSplitIsOddFrame (TDWHCIFrameScheduler *pBase)
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{
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TDWHCIFrameSchedulerNoSplit *pThis = (TDWHCIFrameSchedulerNoSplit *) pBase;
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assert (pThis != 0);
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return pThis->m_nNextFrame & 1 ? TRUE : FALSE;
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}
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