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/*
* Copyright (c) 2005 ASPEED Technology Inc.
*
* Permission to use, copy, modify, distribute, and sell this software and its
* documentation for any purpose is hereby granted without fee, provided that
* the above copyright notice appear in all copies and that both that
* copyright notice and this permission notice appear in supporting
* documentation, and that the name of the authors not be used in
* advertising or publicity pertaining to distribution of the software without
* specific, written prior permission. The authors makes no representations
* about the suitability of this software for any purpose. It is provided
* "as is" without express or implied warranty.
*
* THE AUTHORS DISCLAIMS ALL WARRANTIES WITH REGARD TO THIS SOFTWARE,
* INCLUDING ALL IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS, IN NO
* EVENT SHALL THE AUTHORS BE LIABLE FOR ANY SPECIAL, INDIRECT OR
* CONSEQUENTIAL DAMAGES OR ANY DAMAGES WHATSOEVER RESULTING FROM LOSS OF USE,
* DATA OR PROFITS, WHETHER IN AN ACTION OF CONTRACT, NEGLIGENCE OR OTHER
* TORTIOUS ACTION, ARISING OUT OF OR IN CONNECTION WITH THE USE OR
* PERFORMANCE OF THIS SOFTWARE.
*/
#include "xf86.h"
#include "xf86_ansic.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 "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 "ast.h"
#ifdef Accel_2D
/* Prototype type declaration */
Bool bInitCMDQInfo(ScrnInfoPtr pScrn, ASTRecPtr pAST);
Bool bEnableCMDQ(ScrnInfoPtr pScrn, ASTRecPtr pAST);
Bool bEnable2D(ScrnInfoPtr pScrn, ASTRecPtr pAST);
void vDisable2D(ScrnInfoPtr pScrn, ASTRecPtr pAST);
void vWaitEngIdle(ScrnInfoPtr pScrn, ASTRecPtr pAST);
UCHAR *pjRequestCMDQ(ASTRecPtr pAST, ULONG ulDataLen);
Bool bGetLineTerm(_LINEInfo *LineInfo, LINEPARAM *dsLineParam);
Bool
bInitCMDQInfo(ScrnInfoPtr pScrn, ASTRecPtr pAST)
{
ScreenPtr pScreen;
pAST->CMDQInfo.pjCmdQBasePort = pAST->MMIOVirtualAddr+ 0x8044;
pAST->CMDQInfo.pjWritePort = pAST->MMIOVirtualAddr+ 0x8048;
pAST->CMDQInfo.pjReadPort = pAST->MMIOVirtualAddr+ 0x804C;
pAST->CMDQInfo.pjEngStatePort = pAST->MMIOVirtualAddr+ 0x804C;
/* CMDQ mode Init */
if (!pAST->MMIO2D) {
pAST->CMDQInfo.ulCMDQType = VM_CMD_QUEUE;
pScreen = screenInfo.screens[pScrn->scrnIndex];
do {
pAST->pCMDQPtr = xf86AllocateOffscreenLinear (pScreen, pAST->CMDQInfo.ulCMDQSize, 8, NULL, NULL, NULL);
if (pAST->pCMDQPtr) break;
pAST->CMDQInfo.ulCMDQSize >>= 1;
} while (pAST->CMDQInfo.ulCMDQSize >= MIN_CMDQ_SIZE);
if (pAST->pCMDQPtr)
{
xf86DrvMsg(pScrn->scrnIndex, X_INFO,"Allocate CMDQ size is %ld kbyte \n", (unsigned long) (pAST->CMDQInfo.ulCMDQSize/1024));
pAST->CMDQInfo.ulCMDQOffsetAddr = pAST->pCMDQPtr->offset*((pScrn->bitsPerPixel + 1) / 8);
pAST->CMDQInfo.pjCMDQVirtualAddr = pAST->FBVirtualAddr + pAST->CMDQInfo.ulCMDQOffsetAddr;
pAST->CMDQInfo.ulCurCMDQueueLen = pAST->CMDQInfo.ulCMDQSize - CMD_QUEUE_GUARD_BAND;
pAST->CMDQInfo.ulCMDQMask = pAST->CMDQInfo.ulCMDQSize - 1 ;
}
else
{
xf86DrvMsg(pScrn->scrnIndex, X_ERROR,"Allocate CMDQ failed \n");
pAST->MMIO2D = TRUE; /* set to MMIO mode if CMDQ allocate failed */
}
}
/* MMIO mode init */
if (pAST->MMIO2D) {
pAST->CMDQInfo.ulCMDQType = VM_CMD_MMIO;
}
return (TRUE);
}
Bool
bEnableCMDQ(ScrnInfoPtr pScrn, ASTRecPtr pAST)
{
ULONG ulVMCmdQBasePort = 0;
vWaitEngIdle(pScrn, pAST);
/* set DBG Select Info */
if (pAST->DBGSelect)
{
*(ULONG *) (pAST->MMIOVirtualAddr + 0x804C) = (ULONG) (pAST->DBGSelect);
}
/* set CMDQ base */
switch (pAST->CMDQInfo.ulCMDQType)
{
case VM_CMD_QUEUE:
ulVMCmdQBasePort = (pAST->CMDQInfo.ulCMDQOffsetAddr - 0) >> 3;
/* set CMDQ Threshold */
ulVMCmdQBasePort |= 0xF0000000;
/* set CMDQ Size */
switch (pAST->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 *) (pAST->CMDQInfo.pjCmdQBasePort) = ulVMCmdQBasePort;
pAST->CMDQInfo.ulWritePointer = *(ULONG *) (pAST->CMDQInfo.pjWritePort);
break;
case VM_CMD_MMIO:
/* set CMDQ Threshold */
ulVMCmdQBasePort |= 0xF0000000;
ulVMCmdQBasePort |= 0x02000000; /* MMIO mode */
*(ULONG *) (pAST->CMDQInfo.pjCmdQBasePort) = ulVMCmdQBasePort;
break;
default:
return (FALSE);
break;
}
return (TRUE);
}
Bool
bEnable2D(ScrnInfoPtr pScrn, ASTRecPtr pAST)
{
SetIndexRegMask(CRTC_PORT, 0xA4, 0xFE, 0x01); /* enable 2D */
if (!bInitCMDQInfo(pScrn, pAST))
{
vDisable2D(pScrn, pAST);
return (FALSE);
}
if (!bEnableCMDQ(pScrn, pAST))
{
vDisable2D(pScrn, pAST);
return (FALSE);
}
return (TRUE);
}
void
vDisable2D(ScrnInfoPtr pScrn, ASTRecPtr pAST)
{
vWaitEngIdle(pScrn, pAST);
vWaitEngIdle(pScrn, pAST);
SetIndexRegMask(CRTC_PORT, 0xA4, 0xFE, 0x00);
}
void
vWaitEngIdle(ScrnInfoPtr pScrn, ASTRecPtr pAST)
{
ULONG ulEngState, ulEngState2;
UCHAR jReg;
ULONG ulEngCheckSetting;
if (pAST->MMIO2D)
ulEngCheckSetting = 0x10000000;
else
ulEngCheckSetting = 0x80000000;
/* 2D disable if 0xA4 D[0] = 1 */
GetIndexRegMask(CRTC_PORT, 0xA4, 0x01, jReg);
if (!jReg) goto Exit_vWaitEngIdle;
/* 2D not work if in std. mode */
GetIndexRegMask(CRTC_PORT, 0xA3, 0x0F, jReg);
if (!jReg) goto Exit_vWaitEngIdle;
do
{
ulEngState = (*(volatile ULONG *)(pAST->CMDQInfo.pjEngStatePort)) & 0xFFFC0000;
ulEngState2 = (*(volatile ULONG *)(pAST->CMDQInfo.pjEngStatePort)) & 0xFFFC0000;
ulEngState2 = (*(volatile ULONG *)(pAST->CMDQInfo.pjEngStatePort)) & 0xFFFC0000;
ulEngState2 = (*(volatile ULONG *)(pAST->CMDQInfo.pjEngStatePort)) & 0xFFFC0000;
ulEngState2 = (*(volatile ULONG *)(pAST->CMDQInfo.pjEngStatePort)) & 0xFFFC0000;
ulEngState2 = (*(volatile ULONG *)(pAST->CMDQInfo.pjEngStatePort)) & 0xFFFC0000;
} while ((ulEngState & ulEngCheckSetting) || (ulEngState != ulEngState2));
Exit_vWaitEngIdle:
;
}
/* ULONG ulGetCMDQLength() */
__inline ULONG ulGetCMDQLength(ASTRecPtr pAST, ULONG ulWritePointer, ULONG ulCMDQMask)
{
ULONG ulReadPointer, ulReadPointer2;
do {
ulReadPointer = *((volatile ULONG *)(pAST->CMDQInfo.pjReadPort)) & 0x0003FFFF;
ulReadPointer2 = *((volatile ULONG *)(pAST->CMDQInfo.pjReadPort)) & 0x0003FFFF;
ulReadPointer2 = *((volatile ULONG *)(pAST->CMDQInfo.pjReadPort)) & 0x0003FFFF;
ulReadPointer2 = *((volatile ULONG *)(pAST->CMDQInfo.pjReadPort)) & 0x0003FFFF;
ulReadPointer2 = *((volatile ULONG *)(pAST->CMDQInfo.pjReadPort)) & 0x0003FFFF;
ulReadPointer2 = *((volatile ULONG *)(pAST->CMDQInfo.pjReadPort)) & 0x0003FFFF;
} while (ulReadPointer != ulReadPointer2);
return ((ulReadPointer << 3) - ulWritePointer - CMD_QUEUE_GUARD_BAND) & ulCMDQMask;
}
UCHAR *pjRequestCMDQ(
ASTRecPtr pAST, ULONG ulDataLen)
{
UCHAR *pjBuffer;
ULONG i, ulWritePointer, ulCMDQMask, ulCurCMDQLen, ulContinueCMDQLen;
ulWritePointer = pAST->CMDQInfo.ulWritePointer;
ulContinueCMDQLen = pAST->CMDQInfo.ulCMDQSize - ulWritePointer;
ulCMDQMask = pAST->CMDQInfo.ulCMDQMask;
if (ulContinueCMDQLen >= ulDataLen)
{
/* Get CMDQ Buffer */
if (pAST->CMDQInfo.ulCurCMDQueueLen >= ulDataLen)
{
;
}
else
{
do
{
ulCurCMDQLen = ulGetCMDQLength(pAST, ulWritePointer, ulCMDQMask);
} while (ulCurCMDQLen < ulDataLen);
pAST->CMDQInfo.ulCurCMDQueueLen = ulCurCMDQLen;
}
pjBuffer = pAST->CMDQInfo.pjCMDQVirtualAddr + ulWritePointer;
pAST->CMDQInfo.ulCurCMDQueueLen -= ulDataLen;
pAST->CMDQInfo.ulWritePointer = (ulWritePointer + ulDataLen) & ulCMDQMask;
return pjBuffer;
}
else
{
/* Fill NULL CMD to the last of the CMDQ */
if (pAST->CMDQInfo.ulCurCMDQueueLen >= ulContinueCMDQLen)
{
;
}
else
{
do
{
ulCurCMDQLen = ulGetCMDQLength(pAST, ulWritePointer, ulCMDQMask);
} while (ulCurCMDQLen < ulContinueCMDQLen);
pAST->CMDQInfo.ulCurCMDQueueLen = ulCurCMDQLen;
}
pjBuffer = pAST->CMDQInfo.pjCMDQVirtualAddr + ulWritePointer;
for (i = 0; i<ulContinueCMDQLen/8; i++, pjBuffer+=8)
{
*(ULONG *)pjBuffer = (ULONG) PKT_NULL_CMD;
*(ULONG *) (pjBuffer+4) = 0;
}
pAST->CMDQInfo.ulCurCMDQueueLen -= ulContinueCMDQLen;
pAST->CMDQInfo.ulWritePointer = ulWritePointer = 0;
/* Get CMDQ Buffer */
if (pAST->CMDQInfo.ulCurCMDQueueLen >= ulDataLen)
{
;
}
else
{
do
{
ulCurCMDQLen = ulGetCMDQLength(pAST, ulWritePointer, ulCMDQMask);
} while (ulCurCMDQLen < ulDataLen);
pAST->CMDQInfo.ulCurCMDQueueLen = ulCurCMDQLen;
}
pAST->CMDQInfo.ulCurCMDQueueLen -= ulDataLen;
pjBuffer = pAST->CMDQInfo.pjCMDQVirtualAddr + ulWritePointer;
pAST->CMDQInfo.ulWritePointer = (ulWritePointer + ulDataLen) & ulCMDQMask;
return pjBuffer;
}
} /* end of pjRequestCmdQ() */
Bool bGetLineTerm(_LINEInfo *LineInfo, LINEPARAM *dsLineParam)
{
LONG GAbsX, GAbsY, GXInc, GYInc, GSlopeOne, GXMajor;
LONG MM, mm, Error0, K1, K2;
/* Init */
#ifdef LONG64
GAbsX = abs (LineInfo->X1 - LineInfo->X2);
GAbsY = abs (LineInfo->Y1 - LineInfo->Y2);
#else
GAbsX = labs (LineInfo->X1 - LineInfo->X2);
GAbsY = labs (LineInfo->Y1 - LineInfo->Y2);
#endif
GXInc = (LineInfo->X1 < LineInfo->X2) ? 1:0;
GYInc = (LineInfo->Y1 < LineInfo->Y2) ? 1:0;
GSlopeOne = (GAbsX ==GAbsY) ? 1:0;
GXMajor = (GAbsX >= GAbsY) ? 1:0;
/* Calculate */
if (GXMajor)
{
MM = GAbsX;
mm = GAbsY;
}
else
{
MM = GAbsY;
mm = GAbsX;
}
Error0 = (signed) (2*mm - MM);
K1 = 2* mm;
K2 = (signed) (2*mm - 2*MM);
/*save the Param to dsLineParam */
dsLineParam->dsLineX = (USHORT) LineInfo->X1;
dsLineParam->dsLineY = (USHORT) LineInfo->Y1;
dsLineParam->dsLineWidth = (USHORT) MM;
dsLineParam->dwErrorTerm = (ULONG) Error0;
dsLineParam->dwK1Term = K1;
dsLineParam->dwK2Term = K2;
dsLineParam->dwLineAttributes = 0;
if (GXMajor) dsLineParam->dwLineAttributes |= LINEPARAM_XM;
if (!GXInc) dsLineParam->dwLineAttributes |= LINEPARAM_X_DEC;
if (!GYInc) dsLineParam->dwLineAttributes |= LINEPARAM_Y_DEC;
return(TRUE);
}
#endif /* end of Accel_2D */
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