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/*
* Copyright (C) 2009 RDC Semiconductor Co.,Ltd
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 3 of the License, or
* (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*
* For technical support :
* <jason.lin@rdc.com.tw>
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include "xf86.h"
#include "xf86_OSproc.h"
#include "xf86Resources.h"
#include "xf86RAC.h"
#include "xf86cmap.h"
#include "compiler.h"
#include "mibstore.h"
#include "vgaHW.h"
#include "mipointer.h"
#include "micmap.h"
#include "fb.h"
#include "regionstr.h"
#include "xf86xv.h"
#include <X11/extensions/Xv.h>
#include "vbe.h"
#include "xf86PciInfo.h"
#include "xf86Pci.h"
/* framebuffer offscreen manager */
#include "xf86fbman.h"
/* include xaa includes */
#include "xaa.h"
#include "xaarop.h"
/* H/W cursor support */
#include "xf86Cursor.h"
/* Driver specific headers */
#include "rdc.h"
#ifdef Accel_2D
/* Prototype type declaration */
Bool bInitCMDQInfo(ScrnInfoPtr pScrn, RDCRecPtr pRDC);
Bool bEnableCMDQ(ScrnInfoPtr pScrn, RDCRecPtr pRDC);
Bool bEnable2D(ScrnInfoPtr pScrn, RDCRecPtr pRDC);
void vDisable2D(ScrnInfoPtr pScrn, RDCRecPtr pRDC);
void vWaitEngIdle(ScrnInfoPtr pScrn, RDCRecPtr pRDC);
UCHAR *pjRequestCMDQ(RDCRecPtr pRDC, ULONG ulDataLen);
Bool
bInitCMDQInfo(ScrnInfoPtr pScrn, RDCRecPtr pRDC)
{
ScreenPtr pScreen;
xf86DrvMsgVerb(0, X_INFO, InternalLevel, "==Init CMDQ Info== \n");
pRDC->CMDQInfo.pjCmdQBasePort = pRDC->MMIOVirtualAddr+ 0x8044;
pRDC->CMDQInfo.pjWritePort = pRDC->MMIOVirtualAddr+ 0x8048;
pRDC->CMDQInfo.pjReadPort = pRDC->MMIOVirtualAddr+ 0x804C;
pRDC->CMDQInfo.pjEngStatePort = pRDC->MMIOVirtualAddr+ 0x804C;
/* CMDQ mode Init */
if (!pRDC->MMIO2D)
{
pRDC->CMDQInfo.ulCMDQType = VM_CMD_QUEUE;
pScreen = screenInfo.screens[pScrn->scrnIndex];
pRDC->CMDQInfo.pjCMDQVirtualAddr = pRDC->FBVirtualAddr + pRDC->CMDQInfo.ulCMDQOffsetAddr;
pRDC->CMDQInfo.ulCurCMDQueueLen = pRDC->CMDQInfo.ulCMDQSize - CMD_QUEUE_GUARD_BAND;
pRDC->CMDQInfo.ulCMDQMask = pRDC->CMDQInfo.ulCMDQSize - 1 ;
}
/* MMIO mode init */
if (pRDC->MMIO2D)
{
pRDC->CMDQInfo.ulCMDQType = VM_CMD_MMIO;
}
return (TRUE);
}
Bool
bEnableCMDQ(ScrnInfoPtr pScrn, RDCRecPtr pRDC)
{
ULONG ulVMCmdQBasePort = 0;
xf86DrvMsgVerb(0, X_INFO, InternalLevel, "==Entry Enable CMDQ== \n");
vWaitEngIdle(pScrn, pRDC);
/* set DBG Select Info */
if (pRDC->DBGSelect)
{
*(ULONG *) (pRDC->MMIOVirtualAddr + 0x804C) = (ULONG) (pRDC->DBGSelect);
}
/* set CMDQ base */
switch (pRDC->CMDQInfo.ulCMDQType)
{
case VM_CMD_QUEUE:
ulVMCmdQBasePort = pRDC->CMDQInfo.ulCMDQOffsetAddr >> 3;
/* set CMDQ Threshold */
ulVMCmdQBasePort |= 0xF0000000;
/* set CMDQ Size */
switch (pRDC->CMDQInfo.ulCMDQSize)
{
case CMD_QUEUE_SIZE_256K:
ulVMCmdQBasePort |= 0x00000000;
break;
case CMD_QUEUE_SIZE_512K:
ulVMCmdQBasePort |= 0x04000000;
break;
case CMD_QUEUE_SIZE_1M:
ulVMCmdQBasePort |= 0x08000000;
break;
case CMD_QUEUE_SIZE_2M:
ulVMCmdQBasePort |= 0x0C000000;
break;
default:
return(FALSE);
break;
}
*(ULONG *) (pRDC->CMDQInfo.pjCmdQBasePort) = ulVMCmdQBasePort;
pRDC->CMDQInfo.ulWritePointer = *(ULONG *) (pRDC->CMDQInfo.pjWritePort) << 3;
break;
case VM_CMD_MMIO:
/* set CMDQ Threshold */
ulVMCmdQBasePort |= 0xF0000000;
ulVMCmdQBasePort |= 0x02000000; /* MMIO mode */
*(ULONG *) (pRDC->CMDQInfo.pjCmdQBasePort) = ulVMCmdQBasePort;
break;
default:
return (FALSE);
break;
}
return (TRUE);
}
Bool
bEnable2D(ScrnInfoPtr pScrn, RDCRecPtr pRDC)
{
xf86DrvMsgVerb(0, X_INFO, InternalLevel, "==Enable 2D== \n");
SetIndexRegMask(CRTC_PORT, 0xA4, 0xFE, 0x01); /* enable 2D */
SetIndexRegMask(CRTC_PORT, 0xA3, ~0x20, 0x20); /* enable flip */
*(ULONG *)MMIOREG_1ST_FLIP |= 0x80000000;
if (!bInitCMDQInfo(pScrn, pRDC))
{
vDisable2D(pScrn, pRDC);
return (FALSE);
}
if (!bEnableCMDQ(pScrn, pRDC))
{
vDisable2D(pScrn, pRDC);
return (FALSE);
}
return (TRUE);
}
void
vDisable2D(ScrnInfoPtr pScrn, RDCRecPtr pRDC)
{
xf86DrvMsgVerb(0, X_INFO, InternalLevel, "==Engine Disable 2D== \n");
vWaitEngIdle(pScrn, pRDC);
vWaitEngIdle(pScrn, pRDC);
SetIndexRegMask(CRTC_PORT, 0xA4, 0xFE, 0x00);
SetIndexRegMask(CRTC_PORT, 0xA3, ~0x20, 0x00); /* disable flip */
*(ULONG *)MMIOREG_1ST_FLIP &= ~0x80000000;
}
void
vWaitEngIdle(ScrnInfoPtr pScrn, RDCRecPtr pRDC)
{
ULONG ulEngState, ulEngState2;
xf86DrvMsgVerb(0, X_INFO, 10, "==Entry Wait Idle== \n");
do /* wait engine idle */
{
ulEngState = *((volatile ULONG*)(pRDC->MMIOVirtualAddr + 0x804c));
ulEngState2 = *((volatile ULONG*)(pRDC->MMIOVirtualAddr + 0x8048));
} while ((ulEngState & 0x80000000) ||
((ulEngState&0x3ffff) != (ulEngState2&0x3ffff)));
xf86DrvMsgVerb(0, X_INFO, 10, "==Exit Wait Idle== \n");
}
/* ULONG ulGetCMDQLength() */
__inline ULONG ulGetCMDQLength(RDCRecPtr pRDC, ULONG ulWritePointer, ULONG ulCMDQMask)
{
ULONG ulReadPointer, ulReadPointer2;
do {
ulReadPointer = *((volatile ULONG *)(pRDC->CMDQInfo.pjReadPort)) & 0x0003FFFF;
ulReadPointer2 = *((volatile ULONG *)(pRDC->CMDQInfo.pjReadPort)) & 0x0003FFFF;
ulReadPointer2 = *((volatile ULONG *)(pRDC->CMDQInfo.pjReadPort)) & 0x0003FFFF;
ulReadPointer2 = *((volatile ULONG *)(pRDC->CMDQInfo.pjReadPort)) & 0x0003FFFF;
ulReadPointer2 = *((volatile ULONG *)(pRDC->CMDQInfo.pjReadPort)) & 0x0003FFFF;
ulReadPointer2 = *((volatile ULONG *)(pRDC->CMDQInfo.pjReadPort)) & 0x0003FFFF;
} while (ulReadPointer != ulReadPointer2);
return ((ulReadPointer << 3) - ulWritePointer - CMD_QUEUE_GUARD_BAND) & ulCMDQMask;
}
UCHAR *pjRequestCMDQ(
RDCRecPtr pRDC, ULONG ulDataLen)
{
UCHAR *pjBuffer;
ULONG i, ulWritePointer, ulCMDQMask, ulCurCMDQLen, ulContinueCMDQLen;
ulWritePointer = pRDC->CMDQInfo.ulWritePointer;
ulContinueCMDQLen = pRDC->CMDQInfo.ulCMDQSize - ulWritePointer;
ulCMDQMask = pRDC->CMDQInfo.ulCMDQMask;
if (ulContinueCMDQLen >= ulDataLen)
{
/* Get CMDQ Buffer */
if (pRDC->CMDQInfo.ulCurCMDQueueLen < ulDataLen)
{
do
{
ulCurCMDQLen = ulGetCMDQLength(pRDC, ulWritePointer, ulCMDQMask);
} while (ulCurCMDQLen < ulDataLen);
pRDC->CMDQInfo.ulCurCMDQueueLen = ulCurCMDQLen;
}
pjBuffer = pRDC->CMDQInfo.pjCMDQVirtualAddr + ulWritePointer;
pRDC->CMDQInfo.ulCurCMDQueueLen -= ulDataLen;
pRDC->CMDQInfo.ulWritePointer = (ulWritePointer + ulDataLen) & ulCMDQMask;
return pjBuffer;
}
else
{
/* Fill NULL CMD to the last of the CMDQ */
if (pRDC->CMDQInfo.ulCurCMDQueueLen < ulContinueCMDQLen)
{
do
{
ulCurCMDQLen = ulGetCMDQLength(pRDC, ulWritePointer, ulCMDQMask);
} while (ulCurCMDQLen < ulContinueCMDQLen);
pRDC->CMDQInfo.ulCurCMDQueueLen = ulCurCMDQLen;
}
pjBuffer = pRDC->CMDQInfo.pjCMDQVirtualAddr + ulWritePointer;
for (i = 0; i<ulContinueCMDQLen/8; i++, pjBuffer+=8)
{
*(ULONG *)pjBuffer = (ULONG) PKT_NULL_CMD;
*(ULONG *) (pjBuffer+4) = 0;
}
pRDC->CMDQInfo.ulCurCMDQueueLen -= ulContinueCMDQLen;
pRDC->CMDQInfo.ulWritePointer = ulWritePointer = 0;
/* Get CMDQ Buffer */
if (pRDC->CMDQInfo.ulCurCMDQueueLen < ulDataLen)
{
do
{
ulCurCMDQLen = ulGetCMDQLength(pRDC, ulWritePointer, ulCMDQMask);
} while (ulCurCMDQLen < ulDataLen);
pRDC->CMDQInfo.ulCurCMDQueueLen = ulCurCMDQLen;
}
pRDC->CMDQInfo.ulCurCMDQueueLen -= ulDataLen;
pjBuffer = pRDC->CMDQInfo.pjCMDQVirtualAddr + ulWritePointer;
pRDC->CMDQInfo.ulWritePointer = (ulWritePointer + ulDataLen) & ulCMDQMask;
return pjBuffer;
}
} /* end of pjRequestCmdQ() */
#endif /* end of Accel_2D */
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