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authorJörg Frings-Fürst <debian@jff-webhosting.net>2014-10-06 14:00:40 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2014-10-06 14:00:40 +0200
commit6e9c41a892ed0e0da326e0278b3221ce3f5713b8 (patch)
tree2e301d871bbeeb44aa57ff9cc070fcf3be484487 /backend/plustek-pp_dac.c
Initial import of sane-backends version 1.0.24-1.2
Diffstat (limited to 'backend/plustek-pp_dac.c')
-rw-r--r--backend/plustek-pp_dac.c2658
1 files changed, 2658 insertions, 0 deletions
diff --git a/backend/plustek-pp_dac.c b/backend/plustek-pp_dac.c
new file mode 100644
index 0000000..dd35ce7
--- /dev/null
+++ b/backend/plustek-pp_dac.c
@@ -0,0 +1,2658 @@
+/* @file plustek-pp_dac.c
+ * @brief all the shading function formerly found in shading.c.
+ * don't ask me why I called this file dac.c...
+ *
+ * based on sources acquired from Plustek Inc.
+ * Copyright (C) 1998 Plustek Inc.
+ * Copyright (C) 2000-2004 Gerhard Jaeger <gerhard@gjaeger.de>
+ * also based on the work done by Rick Bronson
+ *
+ * History:
+ * - 0.30 - initial version
+ * - 0.31 - no changes
+ * - 0.32 - no changes
+ * - 0.33 - added some comments
+ * - 0.34 - slight changes
+ * - 0.35 - removed SetInitialGainRAM from structure pScanData
+ * - 0.36 - added dacP96001WaitForShading and changed dacP96WaitForShading to
+ * dacP96003WaitForShading
+ * - changes, due to define renaming
+ * - 0.37 - removed dacP98FillShadingDarkToShadingRegister()
+ * - removed // comments
+ * - some code cleanup
+ * - 0.38 - added P12 stuff
+ * - 0.39 - no changes
+ * - 0.40 - disabled the A3I stuff
+ * - 0.41 - no changes
+ * - 0.42 - changed include names
+ * - 0.43 - no changes
+ * .
+ * <hr>
+ * This file is part of the SANE package.
+ *
+ * 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 2 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, write to the Free Software
+ * Foundation, Inc., 59 Temple Place - Suite 330, Boston,
+ * MA 02111-1307, USA.
+ *
+ * As a special exception, the authors of SANE give permission for
+ * additional uses of the libraries contained in this release of SANE.
+ *
+ * The exception is that, if you link a SANE library with other files
+ * to produce an executable, this does not by itself cause the
+ * resulting executable to be covered by the GNU General Public
+ * License. Your use of that executable is in no way restricted on
+ * account of linking the SANE library code into it.
+ *
+ * This exception does not, however, invalidate any other reasons why
+ * the executable file might be covered by the GNU General Public
+ * License.
+ *
+ * If you submit changes to SANE to the maintainers to be included in
+ * a subsequent release, you agree by submitting the changes that
+ * those changes may be distributed with this exception intact.
+ *
+ * If you write modifications of your own for SANE, it is your choice
+ * whether to permit this exception to apply to your modifications.
+ * If you do not wish that, delete this exception notice.
+ * <hr>
+ */
+#include "plustek-pp_scan.h"
+
+/************************** local definitions ********************************/
+
+/***************************** global vars ***********************************/
+
+static const Byte a_bCorrectTimesTable[4] = {0, 1, 2, 4};
+
+static ULong dwADCPipeLine = 4 * 4;
+static ULong dwReadyLen;
+
+/*************************** local functions *********************************/
+
+/**
+ */
+static void dacP98AdjustGainAverage( pScanData ps )
+{
+ pUChar pDest, pSrce;
+ ULong dw, dw1;
+ UShort wSum;
+
+ pDest = pSrce = ps->pScanBuffer1;
+
+ for (dw1 = 0; dw1 < (2560 * 3) / 16; dw1++, pDest++) {
+ for (dw = 0, wSum = 0; dw < 16; dw++, pSrce++)
+ wSum += *pSrce;
+
+ *pDest = wSum / 16;
+ }
+}
+
+/**
+ */
+static void dacP98FillDarkDAC( pScanData ps )
+{
+ IODataRegisterToDAC( ps, 0x20, ps->bRedDAC );
+ IODataRegisterToDAC( ps, 0x21, ps->bGreenDAC );
+ IODataRegisterToDAC( ps, 0x22, ps->bBlueDAC );
+}
+
+/**
+ */
+static void dacP98SetReadFBKRegister( pScanData ps )
+{
+ IODataToRegister( ps, ps->RegModeControl, _ModeIdle );
+
+ ps->AsicReg.RD_ScanControl = _SCAN_12BITMODE + _SCAN_1ST_AVERAGE;
+
+ IOSelectLampSource( ps );
+ IODataToRegister( ps, ps->RegScanControl, ps->AsicReg.RD_ScanControl );
+
+ ps->AsicReg.RD_Motor0Control = _MotorOn;
+ ps->AsicReg.RD_StepControl = _MOTOR0_SCANSTATE;
+ ps->AsicReg.RD_Origin = 4;
+ ps->AsicReg.RD_Pixels = 512;
+ ps->AsicReg.RD_Motor1Control = 0;
+ ps->AsicReg.RD_Motor0Control = 0;
+
+ ps->AsicReg.RD_ModelControl = _LED_CONTROL + _LED_ACTIVITY;
+
+ if( ps->bSetScanModeFlag & _ScanMode_AverageOut ) {
+ ps->AsicReg.RD_Dpi = 300;
+ ps->AsicReg.RD_ModelControl += _ModelDpi300;
+
+ } else {
+ ps->AsicReg.RD_Dpi = 600;
+ ps->AsicReg.RD_ModelControl += _ModelDpi600;
+ }
+}
+
+/**
+ */
+static UShort dacP98CalDarkOff( pScanData ps, UShort wChDarkOff,
+ UShort wDACCompareHigh, UShort wDACOffset )
+{
+ UShort wTemp;
+
+ if ((_CCD_518 == ps->Device.bCCDID) || (_CCD_535 == ps->Device.bCCDID)) {
+ wTemp = wChDarkOff + wDACOffset;
+ } else {
+
+ if (_CCD_3797 == ps->Device.bCCDID) {
+ if (wChDarkOff > wDACOffset) {
+ wTemp = wChDarkOff - wDACOffset;
+ } else {
+ wTemp = 0;
+ }
+ } else {
+ if (wChDarkOff > wDACCompareHigh) {
+ wTemp = wChDarkOff - wDACCompareHigh;
+ } else {
+ wTemp = 0;
+ }
+ }
+ }
+ return wTemp;
+}
+
+/**
+ */
+static Bool dacP98AdjustDAC( UShort DarkOff, UShort wHigh,
+ UShort wLow, pUChar pbReg, Bool *fDACStopFlag )
+{
+ if (DarkOff > wHigh) {
+ if ((DarkOff - wHigh) > 10) {
+ if ((DarkOff - wHigh) > 2550)
+ *pbReg += ((DarkOff - wHigh) / 20);
+ else
+ *pbReg += ((DarkOff - wHigh) / 10);
+ } else
+ *pbReg += 1;
+
+ if (!(*pbReg))
+ *pbReg = 0xff;
+
+ *fDACStopFlag = _FALSE;
+ return _FALSE;
+
+ } else {
+ if (DarkOff < wLow) {
+ if (DarkOff > 0)
+ *pbReg -= 2;
+ else
+ *pbReg -= 10;
+
+ *fDACStopFlag = _FALSE;
+ return _FALSE;
+ } else
+ return _TRUE;
+ }
+}
+
+/**
+ */
+static Bool dacP98CheckChannelDarkLevel( pScanData ps )
+{
+ Bool fDACStopFlag = _TRUE;
+
+ dacP98AdjustDAC( ps->Shade.DarkOffset.Colors.Red,
+ ps->Shade.pCcdDac->DarkCmpHi.Colors.Red,
+ ps->Shade.pCcdDac->DarkCmpLo.Colors.Red,
+ &ps->bRedDAC, &fDACStopFlag );
+ dacP98AdjustDAC( ps->Shade.DarkOffset.Colors.Green,
+ ps->Shade.pCcdDac->DarkCmpHi.Colors.Green,
+ ps->Shade.pCcdDac->DarkCmpLo.Colors.Green,
+ &ps->bGreenDAC, &fDACStopFlag );
+ dacP98AdjustDAC( ps->Shade.DarkOffset.Colors.Blue,
+ ps->Shade.pCcdDac->DarkCmpHi.Colors.Blue,
+ ps->Shade.pCcdDac->DarkCmpLo.Colors.Blue,
+ &ps->bBlueDAC, &fDACStopFlag );
+
+ return fDACStopFlag;
+}
+
+/** Average left offset 30, 16 pixels as each color's dark level
+ */
+static void dacP98FillChannelDarkLevelControl( pScanData ps )
+{
+ DataPointer p;
+ ULong dwPos, dw, dwSum;
+
+ if( ps->bSetScanModeFlag & _ScanMode_AverageOut ) {
+ dwPos = 0x10 * 3;
+ } else {
+ dwPos = 0x20 * 2;
+ }
+
+ for (p.pw = (pUShort)(ps->pScanBuffer1 + dwPos), dwSum = 0, dw = 16;
+ dw; dw--, p.pw++) {
+ dwSum += (ULong)(*p.pw);
+ }
+
+ ps->Shade.DarkOffset.Colors.Red = (UShort)(dwSum / 16);
+
+ for (p.pw = (pUShort)(ps->pScanBuffer1 + dwPos + 1024), dwSum = 0, dw = 16;
+ dw; dw--, p.pw++) {
+ dwSum += (ULong)(*p.pw);
+ }
+
+ ps->Shade.DarkOffset.Colors.Green = (UShort)(dwSum / 16);
+
+ for (p.pw = (pUShort)(ps->pScanBuffer1 + dwPos + 1024 * 2), dwSum = 0, dw = 16;
+ dw; dw--, p.pw++) {
+ dwSum += (ULong)(*p.pw);
+ }
+
+ ps->Shade.DarkOffset.Colors.Blue = (UShort)(dwSum / 16);
+}
+
+/**
+ */
+static void dacP98AdjustGain( pScanData ps )
+{
+ DataPointer p;
+ ULong dw;
+ UShort w;
+ Byte b[3];
+ pUChar pbReg[3];
+
+ dacP98AdjustGainAverage( ps );
+
+ pbReg[0] = &ps->bRedGainIndex;
+ pbReg[1] = &ps->bGreenGainIndex;
+ pbReg[2] = &ps->bBlueGainIndex;
+
+ for (w = 0, p.pb = ps->pScanBuffer1; w < 3; w++) {
+
+ for (dw = 2560 / 16, b [w] = 0; dw; dw--, p.pb++) {
+ if (b [w] < *p.pb)
+ b [w] = *p.pb;
+ }
+ if (b[w] < _GAIN_LOW) {
+ if ((_GAIN_P98_HIGH - b[w]) < b[w])
+ *(pbReg[w]) += 1;
+ else
+ *(pbReg[w]) += 4;
+ } else {
+ if (b[w] > _GAIN_P98_HIGH)
+ *(pbReg[w]) -= 1;
+ }
+ }
+}
+
+/**
+ */
+static void dacP98CheckLastGain( pScanData ps )
+{
+ DataPointer p;
+ ULong dw;
+ UShort w;
+ Byte b[3];
+ pUChar pbReg[3];
+
+ dacP98AdjustGainAverage( ps );
+
+ pbReg[0] = &ps->bRedGainIndex;
+ pbReg[1] = &ps->bGreenGainIndex;
+ pbReg[2] = &ps->bBlueGainIndex;
+
+ for (w = 0, p.pb = ps->pScanBuffer1; w < 3; w++) {
+ for (dw = 2560 / 16, b [w] = 0; dw; dw--, p.pb++) {
+ if (b[w] < *p.pb)
+ b[w] = *p.pb;
+ }
+
+ if (b[w] > _GAIN_P98_HIGH) {
+ *(pbReg [w]) -= 1;
+ }
+ }
+}
+
+/**
+ */
+static void dacP98FillGainInitialRestRegister( pScanData ps )
+{
+ ps->OpenScanPath( ps );
+
+ IODataToRegister( ps, ps->RegThresholdGapControl, ps->AsicReg.RD_ThresholdGapCtrl );
+ IODataToRegister( ps, ps->RegModelControl, ps->AsicReg.RD_ModelControl );
+
+ ps->CloseScanPath( ps );
+}
+
+/**
+ */
+static void dacP98SetInitialGainRegister( pScanData ps )
+{
+ DacP98FillGainOutDirectPort( ps ); /* R/G/B GainOut to scanner */
+ dacP98FillGainInitialRestRegister( ps );/* Model Control2, LED, Correct.*/
+}
+
+/** Find the the most ideal intensity for each color (RGB)
+ */
+static void dacP98SetRGBGainRegister( pScanData ps )
+{
+ IOCmdRegisterToScanner( ps, ps->RegModeControl, _ModeIdle );
+
+ ps->AsicReg.RD_ScanControl = _SCAN_BYTEMODE;
+ IOSelectLampSource( ps );
+
+ IOCmdRegisterToScanner( ps, ps->RegScanControl, ps->AsicReg.RD_ScanControl);
+ dacP98SetInitialGainRegister( ps );
+
+ ps->AsicReg.RD_ModeControl = _ModeScan;
+ ps->AsicReg.RD_StepControl = _MOTOR0_SCANSTATE;
+ ps->AsicReg.RD_Motor0Control = _MotorOn + _MotorDirForward + _MotorHEightStep;
+ ps->AsicReg.RD_XStepTime = ps->bSpeed4;
+
+ if( ps->bSetScanModeFlag & _ScanMode_AverageOut ) {
+ ps->AsicReg.RD_ModelControl = _LED_CONTROL + _ModelDpi300;
+ ps->AsicReg.RD_Origin = 32 + 60 + 4;
+ } else {
+ ps->AsicReg.RD_ModelControl = _LED_CONTROL + _ModelDpi600;
+ ps->AsicReg.RD_Origin = 64 + 120 + 4;
+ }
+ ps->AsicReg.RD_Dpi = 300;
+ ps->AsicReg.RD_Pixels = 2560;
+
+ IOPutOnAllRegisters( ps );
+}
+
+/**
+ */
+static void dacP98FillRGBMap( pUChar pBuffer )
+{
+ ULong dw, dw1;
+ pULong pdw = (pULong)(pBuffer);
+
+ for( dw = 256, dw1 = 0; dw; dw--, dw1 += 0x01010101 ) {
+ *pdw++ = dw1;
+ *pdw++ = dw1;
+ *pdw++ = dw1;
+ *pdw++ = dw1;
+ }
+}
+
+/** here we download the current mapping table
+ */
+static void dacP98DownloadMapTable( pScanData ps, pUChar pBuffer )
+{
+ Byte bAddr;
+ ULong i;
+
+ IODataToRegister( ps, ps->RegScanControl,
+ (Byte)((ps->AsicReg.RD_ScanControl & 0xfc) | _SCAN_BYTEMODE));
+
+ for( i = 3, bAddr = _MAP_ADDR_RED; i--; bAddr += _MAP_ADDR_SIZE ) {
+
+ IODataToRegister( ps, ps->RegModeControl, _ModeMappingMem );
+ IODataToRegister( ps, ps->RegMemoryLow, 0);
+ IODataToRegister( ps, ps->RegMemoryHigh, bAddr );
+
+ IOMoveDataToScanner( ps, pBuffer, 4096 );
+ pBuffer += 4096;
+ }
+
+ IODataToRegister( ps, ps->RegScanControl, ps->AsicReg.RD_ScanControl );
+}
+
+/**
+ */
+static void dacP98DownloadShadingTable( pScanData ps,
+ pUChar pBuffer, ULong size )
+{
+ IODataToRegister( ps, ps->RegModeControl, _ModeShadingMem );
+ IODataToRegister( ps, ps->RegMemoryLow, 0 );
+ IODataToRegister( ps, ps->RegMemoryHigh, 0 );
+
+ /* set 12 bits output color */
+ IODataToRegister( ps, ps->RegScanControl,
+ (Byte)(ps->AsicReg.RD_ScanControl | _SCAN_12BITMODE));
+
+ /* MoveDataToShadingRam() */
+ IOMoveDataToScanner( ps ,pBuffer, size );
+
+ if( _ASIC_IS_98003 == ps->sCaps.AsicID )
+ IODataToRegister( ps, ps->RegModeControl, _ModeScan );
+ else
+ IODataToRegister( ps, ps->RegScanControl, ps->AsicReg.RD_ScanControl );
+
+ DacP98FillShadingDarkToShadingRegister( ps );
+}
+
+/** Build a linear map for asic (this model is 12-bit scanner, there are 4096
+ * map entries but just generate 256 level output, so the content must be 0 to
+ * 255), then fill the shading buffer (the first 3k), and map table (the last
+ * 1k) to asic for R & G & B channels.
+ *
+ * I need pScanBuffer2 size = 5400 * 2 * 3
+ * pScanBuffer1 size = 256 * 16 * 2
+ */
+static void dacP98SetInitialGainRAM( pScanData ps )
+{
+ memset( ps->pScanBuffer2, 0xff, (5400 * 2 * 3));
+
+ dacP98DownloadShadingTable( ps, ps->pScanBuffer2, (5400 * 2 * 3));
+
+ dacP98FillRGBMap( ps->pScanBuffer1 ); /* Fill 12 Bits R Map */
+ dacP98FillRGBMap( ps->pScanBuffer1 + 4096 ); /* Fill 12 Bits G Map */
+ dacP98FillRGBMap( ps->pScanBuffer1 + 8192 ); /* Fill 12 Bits B Map */
+
+ dacP98DownloadMapTable( ps, ps->pScanBuffer1 );
+}
+
+/** Find the the most ideal intensity for each color (RGB)
+ */
+static void dacP98AdjustRGBGain( pScanData ps )
+{
+ int bCorrectTimes;
+
+ DBG( DBG_LOW, "dacP98AdjustRGBGain()\n" );
+
+ ps->OpenScanPath( ps );
+ dacP98SetInitialGainRAM( ps ); /* set shading ram and read out data to */
+ ps->CloseScanPath( ps );
+
+ ps->bRedGainIndex = 0x02;
+ ps->bGreenGainIndex = 0x02;
+ ps->bBlueGainIndex = 0x02;
+
+ for (bCorrectTimes = 10; bCorrectTimes; bCorrectTimes-- ) {
+
+ dacP98SetRGBGainRegister( ps ); /* shading the most brightness &*/
+ ps->PauseColorMotorRunStates( ps ); /* stop scan states */
+ IOReadOneShadingLine( ps, ps->pScanBuffer1, 2560UL );
+ dacP98AdjustGain( ps );
+ }
+
+ dacP98SetRGBGainRegister( ps ); /* shading the most brightness & */
+ ps->PauseColorMotorRunStates( ps ); /* stop scan states */
+
+ IOReadOneShadingLine( ps, ps->pScanBuffer1, 2560UL );
+
+ dacP98CheckLastGain( ps );
+ DacP98FillGainOutDirectPort( ps );
+}
+
+/**
+ */
+static void dacP98SetAdjustShadingRegister( pScanData ps )
+{
+ DBG( DBG_LOW, "dacP98SetAdjustShadingRegister()\n" );
+
+ IOCmdRegisterToScanner( ps, ps->RegModeControl, _ModeIdle );
+
+ ps->AsicReg.RD_ScanControl = _SCAN_12BITMODE + _SCAN_1ST_AVERAGE;
+ IOSelectLampSource( ps );
+
+ IOCmdRegisterToScanner( ps, ps->RegScanControl,
+ ps->AsicReg.RD_ScanControl );
+
+ ps->AsicReg.RD_ModeControl = _ModeScan;
+ ps->AsicReg.RD_Motor0Control = _MotorOn + _MotorHEightStep + _MotorDirForward;
+ ps->AsicReg.RD_XStepTime = ps->bSpeed1;
+ ps->AsicReg.RD_ModelControl = _LED_ACTIVITY + _LED_CONTROL;
+
+ if (ps->bSetScanModeFlag & _ScanMode_AverageOut) {
+ ps->AsicReg.RD_Dpi = 300;
+ ps->AsicReg.RD_Pixels = 2700;
+ ps->AsicReg.RD_ModelControl += _ModelDpi300;
+ } else {
+ ps->AsicReg.RD_Dpi = 600;
+ ps->AsicReg.RD_Pixels = 5400;
+ ps->AsicReg.RD_ModelControl += _ModelDpi600;
+ }
+ ps->AsicReg.RD_Origin = 4;
+
+ IOPutOnAllRegisters( ps );
+}
+
+/**
+ */
+static void dacP98ReadShadingScanLine( pScanData ps )
+{
+ TimerDef timer;
+
+ MiscStartTimer( &timer, _SECOND );
+
+ ps->Scan.bFifoSelect = ps->RegGFifoOffset;
+
+ while((IOReadFifoLength( ps ) < dwReadyLen) &&
+ !MiscCheckTimer(&timer)) {
+ _DO_UDELAY( 1 );
+ }
+
+ IOReadColorData( ps, ps->pScanBuffer2, ps->dwShadingLen );
+}
+
+/**
+ */
+static void dacP98GainResize( pUShort pValue, UShort wResize)
+{
+ DataType Data;
+ Byte bTemp;
+
+ Data.dwValue = ((ULong) *pValue) * (ULong) wResize / 100;
+
+ if (0x1000 <= Data.dwValue)
+ Data.wValue = 0xfff;
+
+ Data.wValue *= 16;
+
+ bTemp = Data.wOverlap.b1st;
+ Data.wOverlap.b1st = Data.wOverlap.b2nd;
+ Data.wOverlap.b2nd = bTemp;
+
+ *pValue = Data.wValue;
+}
+
+/**
+ */
+static void dacP98SortHilightShadow( pScanData ps, pUShort pwData,
+ ULong dwHilightOff, ULong dwShadowOff )
+{
+ ULong dwLines, dwPixels;
+ UShort wVCmp, wTmp;
+ pUShort pw;
+
+ for (dwPixels = 0; dwPixels < (ps->dwShadingPixels - 4); dwPixels++) {
+
+ pw = (pUShort)ps->Shade.pHilight + dwHilightOff + dwPixels;
+ wVCmp = pwData[dwPixels] & 0xfffU;
+
+ for (dwLines = _DEF_BRIGHTEST_SKIP; dwLines--; pw += 5400UL) {
+ if (wVCmp > *pw) {
+ wTmp = wVCmp;
+ wVCmp = *pw;
+ *pw = wTmp;
+ }
+ }
+ }
+ for (dwPixels = 0; dwPixels < (ps->dwShadingPixels - 4); dwPixels++) {
+
+ pw = ps->pwShadow + dwShadowOff + dwPixels;
+ wVCmp = pwData [dwPixels] & 0xfffU;
+
+ for (dwLines = _DEF_DARKEST_SKIP; dwLines--; pw += 5400UL) {
+
+ if (wVCmp < *pw) {
+ wTmp = wVCmp;
+ wVCmp = *pw;
+ *pw = wTmp;
+ }
+ }
+ }
+}
+
+/**
+ */
+static void dacP98WriteBackToShadingRAM( pScanData ps )
+{
+ ULong dw;
+
+ pUShort pBuffer = (pUShort)ps->pScanBuffer2;
+
+ DBG( DBG_LOW, "dacP98WriteBackToShadingRAM()\n" );
+
+ if (ps->DataInf.wPhyDataType >= COLOR_TRUE24) {
+
+ for (dw = 0; dw < 5400; dw++) {
+
+ *pBuffer = ((pUShort)ps->pScanBuffer1)[dw] -
+ ps->Shade.DarkOffset.Colors.Red;
+ dacP98GainResize( pBuffer,
+ ps->Shade.pCcdDac->GainResize.Colors.Red );
+ pBuffer ++;
+
+ *pBuffer = ((pUShort)ps->pScanBuffer1)[dw + 5400] -
+ ps->Shade.DarkOffset.Colors.Green;
+ dacP98GainResize( pBuffer,
+ ps->Shade.pCcdDac->GainResize.Colors.Green );
+ pBuffer ++;
+
+ *pBuffer = ((pUShort)ps->pScanBuffer1)[dw + 5400 * 2] -
+ ps->Shade.DarkOffset.Colors.Blue;
+ dacP98GainResize( pBuffer,
+ ps->Shade.pCcdDac->GainResize.Colors.Blue );
+ pBuffer ++;
+ }
+
+ } else {
+ for (dw = 0; dw < 5400; dw++) {
+
+ DataType Data;
+ Byte bTemp;
+
+ *pBuffer = ((pUShort)ps->pScanBuffer1)[dw + 5400] -
+ ps->Shade.DarkOffset.Colors.Green;
+
+ Data.wValue = (*pBuffer) * 16;
+ bTemp = Data.wOverlap.b1st;
+ Data.wOverlap.b1st = Data.wOverlap.b2nd;
+ Data.wOverlap.b2nd = bTemp;
+ *pBuffer = Data.wValue;
+ pBuffer++;
+ }
+
+ }
+ dacP98DownloadShadingTable( ps, ps->pScanBuffer2, (5400 * 2 * 3));
+}
+
+/**
+ */
+static void dacP98ShadingRunLoop( pScanData ps )
+{
+ int i;
+ DataPointer p;
+
+ p.pb = ps->a_nbNewAdrPointer;
+
+ switch( ps->IO.portMode ) {
+ case _PORT_SPP:
+ case _PORT_BIDI:
+ *p.pw++ = 0;
+ for (i = 0; i < 7; i++)
+ *p.pdw++ = 0x00800700;
+ *p.pw = 0;
+ break;
+
+ default:
+ *p.pb++ = 0;
+ for (i = 0; i < 15; i++)
+ *p.pw++ = 0xf888;
+ *p.pb = 0;
+ }
+
+ IOSetToMotorRegister( ps );
+}
+
+/**
+ */
+static void dacP98Adjust12BitShading( pScanData ps )
+{
+ DataPointer pd, pt;
+ ULong dw, dw1, dwLoop;
+
+ DBG( DBG_LOW, "dacP98Adjust12BitShading()\n" );
+
+ memset( ps->pScanBuffer1, 0, (5400 * 4 * 3));
+
+ if( ps->Shade.pHilight && (_Shading_32Times == ps->bShadingTimeFlag)) {
+
+ memset( ps->Shade.pHilight, 0, (ps->dwHilight * 2UL));
+
+ for (dw = 0; dw < ps->dwShadow; dw++)
+ ps->pwShadow[dw] = 0xfff;
+ }
+
+ /*
+ * in the original code this function does not exist !
+ * (of course the code behind the function does ;-)
+ */
+ dacP98SetAdjustShadingRegister( ps );
+
+ dacP98ShadingRunLoop( ps );
+ _DODELAY( 24 );
+
+ if ((ps->DataInf.dwScanFlag & SCANDEF_TPA ) ||
+ (_Shading_32Times == ps->bShadingTimeFlag)) {
+ dwLoop = 32;
+ } else {
+ if (_Shading_16Times == ps->bShadingTimeFlag) {
+ dwLoop = 16;
+ } else {
+ dwLoop = 4;
+ }
+ }
+
+ for (dw1 = 0; dw1 < dwLoop; dw1++) {
+
+ ps->Scan.bFifoSelect = ps->RegGFifoOffset;
+
+ dacP98ReadShadingScanLine( ps );
+
+ if((_Shading_32Times == ps->bShadingTimeFlag) && ps->Shade.pHilight ) {
+
+ dacP98SortHilightShadow( ps, (pUShort)ps->pScanBuffer2, 0, 0 );
+ dacP98SortHilightShadow( ps, (pUShort)ps->pScanBuffer2 +
+ ps->dwShadingPixels,
+ ps->dwHilightCh, ps->dwShadowCh );
+
+ dacP98SortHilightShadow( ps, (pUShort)ps->pScanBuffer2 +
+ ps->dwShadingPixels * 2,
+ ps->dwHilightCh * 2, ps->dwShadowCh * 2);
+ }
+
+ /* SumAdd12BitShadingR */
+ pd.pw = (pUShort)ps->pScanBuffer2;
+ pt.pdw = (pULong)(ps->pScanBuffer1 + dwADCPipeLine);
+
+ for (dw = 5400 - 4; dw; dw--, pd.pw++, pt.pdw++)
+ *pt.pdw += (ULong)(*pd.pw & 0x0fff);
+
+ /* SumAdd10BitShadingG */
+ if( ps->bSetScanModeFlag & _ScanMode_AverageOut )
+ pd.pw = (pUShort)(ps->pScanBuffer2 + 2700 * 2);
+ else
+ pd.pw = (pUShort)(ps->pScanBuffer2 + 5400 * 2);
+
+ pt.pdw = (pULong)(ps->pScanBuffer1 + 5400 * 4 + dwADCPipeLine);
+
+ for (dw = 5400 - 4; dw; dw--, pd.pw++, pt.pdw++)
+ *pt.pdw += (ULong)(*pd.pw & 0x0fff);
+
+ /* SumAdd12BitShadingB */
+ if( ps->bSetScanModeFlag & _ScanMode_AverageOut )
+ pd.pw = (pUShort)(ps->pScanBuffer2 + 2700 * 4);
+ else
+ pd.pw = (pUShort)(ps->pScanBuffer2 + 5400 * 4);
+
+ pt.pdw = (pULong)(ps->pScanBuffer1 + 5400 * 8 + dwADCPipeLine);
+
+ for (dw = 5400 - 4; dw; dw--, pd.pw++, pt.pdw++)
+ *pt.pdw += (ULong)(*pd.pw * 94 / 100 & 0x0fff);
+
+ /* one line */
+ if (IOReadFifoLength( ps ) <= 2500)
+ IORegisterDirectToScanner( ps, ps->RegRefreshScanState );
+ }
+
+ TPAP98001AverageShadingData( ps );
+
+ ps->OpenScanPath( ps );
+ dacP98WriteBackToShadingRAM( ps );
+ ps->CloseScanPath( ps );
+}
+
+/**
+ */
+static Bool dacP98WaitForShading( pScanData ps )
+{
+ Byte oldLineControl;
+
+ DBG( DBG_LOW, "dacP98WaitForShading()\n" );
+
+ /*
+ * before getting the shading data, (re)init the ASIC
+ */
+ ps->InitialSetCurrentSpeed( ps );
+ ps->ReInitAsic( ps, _TRUE );
+
+ IOCmdRegisterToScanner( ps, ps->RegLineControl,
+ ps->AsicReg.RD_LineControl );
+
+ ps->Shade.DarkOffset.Colors.Red = 0;
+ ps->Shade.DarkOffset.Colors.Green = 0;
+ ps->Shade.DarkOffset.Colors.Blue = 0;
+
+ /*
+ * according to the scan mode, switch on the lamp
+ */
+ IOSelectLampSource( ps );
+ IOCmdRegisterToScanner(ps, ps->RegScanControl, ps->AsicReg.RD_ScanControl);
+
+ if( ps->bSetScanModeFlag & _ScanMode_AverageOut ) {
+ ps->AsicReg.RD_ModelControl = _LED_CONTROL + _ModelDpi300;
+ } else {
+ ps->AsicReg.RD_ModelControl = _LED_CONTROL + _ModelDpi600;
+ }
+ IOCmdRegisterToScanner( ps, ps->RegModelControl,
+ ps->AsicReg.RD_ModelControl );
+
+ IOCmdRegisterToScanner( ps, ps->RegModeControl, _ModeScan);
+
+ oldLineControl = ps->AsicReg.RD_LineControl;
+ IOSetXStepLineScanTime( ps, _DEFAULT_LINESCANTIME );
+
+ /* set line control */
+ IOCmdRegisterToScanner( ps, ps->RegLineControl,
+ ps->AsicReg.RD_LineControl );
+
+ /* Wait for Sensor to position */
+ if( !ps->GotoShadingPosition( ps ))
+ return _FALSE;
+
+ ps->AsicReg.RD_LineControl = oldLineControl;
+ IOCmdRegisterToScanner( ps, ps->RegLineControl,
+ ps->AsicReg.RD_LineControl );
+
+ dwADCPipeLine = 4 * 4;
+
+ if( ps->bSetScanModeFlag & _ScanMode_AverageOut ) {
+ dwReadyLen = 2500;
+ ps->dwShadingLen = 2700 * 2;
+ ps->dwShadingPixels = 2700;
+ } else {
+ dwReadyLen = 5000;
+ ps->dwShadingLen = 5400 * 2;
+ ps->dwShadingPixels = 5400;
+ }
+
+ dacP98AdjustRGBGain ( ps );
+ DacP98AdjustDark ( ps );
+ dacP98Adjust12BitShading( ps );
+
+ ps->OpenScanPath( ps );
+ DacP98FillShadingDarkToShadingRegister( ps );
+
+ if ( COLOR_BW != ps->DataInf.wPhyDataType )
+ dacP98DownloadMapTable( ps, ps->a_bMapTable );
+
+ ps->CloseScanPath( ps );
+
+ return _TRUE;
+}
+
+/** Set RAM bank and size, then write the data to it
+ */
+static void dacP96FillWhole4kRAM( pScanData ps, pUChar pBuf )
+{
+ ps->OpenScanPath( ps );
+
+ IODataToRegister( ps, ps->RegMemAccessControl,
+ ps->Asic96Reg.RD_MemAccessControl );
+
+ ps->AsicReg.RD_ModeControl = _ModeProgram;
+ IODataToRegister( ps, ps->RegModeControl, ps->AsicReg.RD_ModeControl );
+
+ IOMoveDataToScanner( ps, pBuf, ps->ShadingBankSize );
+
+ ps->AsicReg.RD_ModeControl = _ModeScan;
+ IODataToRegister( ps, ps->RegModeControl, ps->AsicReg.RD_ModeControl );
+
+ ps->CloseScanPath( ps );
+}
+
+/**
+ */
+static void dacP96FillChannelDarkOffset( pScanData ps )
+{
+ ps->OpenScanPath( ps );
+
+ IODataToRegister( ps, ps->RegRedChDarkOffset,
+ ps->Asic96Reg.RD_RedChDarkOff );
+ IODataToRegister( ps, ps->RegGreenChDarkOffset,
+ ps->Asic96Reg.RD_GreenChDarkOff );
+ IODataToRegister( ps, ps->RegBlueChDarkOffset,
+ ps->Asic96Reg.RD_BlueChDarkOff );
+
+ ps->CloseScanPath( ps );
+}
+
+/**
+ */
+static void dacP96FillEvenOddControl( pScanData ps )
+{
+ ps->OpenScanPath( ps );
+
+ IODataToRegister( ps, ps->RegRedChEvenOffset,
+ ps->Asic96Reg.RD_RedChEvenOff );
+ IODataToRegister( ps, ps->RegGreenChEvenOffset,
+ ps->Asic96Reg.RD_GreenChEvenOff );
+ IODataToRegister( ps, ps->RegBlueChEvenOffset,
+ ps->Asic96Reg.RD_BlueChEvenOff );
+ IODataToRegister( ps, ps->RegRedChOddOffset,
+ ps->Asic96Reg.RD_RedChOddOff );
+ IODataToRegister( ps, ps->RegGreenChOddOffset,
+ ps->Asic96Reg.RD_GreenChOddOff );
+ IODataToRegister( ps, ps->RegBlueChOddOffset,
+ ps->Asic96Reg.RD_BlueChOddOff );
+
+ ps->CloseScanPath( ps );
+}
+
+/** Used for capture data to pScanData->pPrescan16.
+ * Used to replace:
+ * 1) ReadFBKScanLine (3 * 1024, 5)
+ * 2) ReadOneScanLine (3 * 2560, 11)
+ * 4) ReadShadingScanLine (3 * 1280, 6)
+ */
+static void dacP96ReadDataWithinOneSecond( pScanData ps,
+ ULong dwLen, Byte bBlks )
+{
+ TimerDef timer;
+
+ MiscStartTimer( &timer, _SECOND );
+
+ while((IODataRegisterFromScanner( ps, ps->RegFifoOffset) < bBlks) &&
+ !MiscCheckTimer(&timer));
+
+ IOReadScannerImageData( ps, ps->pPrescan16, dwLen );
+}
+
+/**
+ */
+static void dacP96GetEvenOddOffset( pUChar pb, pWordVal pwv )
+{
+ ULong dw;
+ UShort we, wo;
+
+ for (dw = 8, we = wo = 0; dw; dw-- ) {
+ we += *pb++;
+ wo += *pb++;
+ }
+
+ pwv->b1st = (Byte)(we >> 3);
+ pwv->b2nd = (Byte)(wo >> 3);
+}
+
+/**
+ */
+static void dacP96SumAverageShading( pScanData ps, pUChar pDest, pUChar pSrce )
+{
+ ULong dw;
+ UShort wLeft[6];
+ UShort wSumL, wSumR;
+
+ pSrce += ps->Offset70 + ps->Device.DataOriginX;
+ pDest += ps->Offset70 + ps->Device.DataOriginX;
+
+ wLeft[0] = wLeft[1] = wLeft[2] =
+ wLeft[3] = wLeft[4] = wLeft[5] = (UShort)*pSrce;
+
+ wSumL = wLeft[0] * 6;
+ wSumR = (UShort)pSrce[1] + pSrce[2] + pSrce[3] + pSrce[4] +
+ pSrce[5] + pSrce[6];
+
+/* for (dw = 2772; dw; dw--, pSrce++, pDest++) */
+ for (dw = ps->BufferSizePerModel - 6; dw; dw--, pSrce++, pDest++) {
+
+ *pDest = (Byte)(((UShort)*pSrce * 4 + wSumL + wSumR) / 16);
+ wSumL = wSumL - wLeft [0] + (UShort)*pSrce;
+
+ wLeft[0] = wLeft[1];
+ wLeft[1] = wLeft[2];
+ wLeft[2] = wLeft[3];
+ wLeft[3] = wLeft[4];
+ wLeft[4] = wLeft[5];
+ wLeft[5] = (UShort)*pSrce;
+ wSumR = wSumR - (UShort) *(pSrce + 1) + (UShort) *(pSrce + 7);
+ }
+}
+
+/**
+ */
+static void dacP96WriteLinearGamma( pScanData ps,
+ pUChar pBuf, ULong dwEntries, Byte bBank )
+{
+ ULong dw;
+ pULong pdw = (pULong)(pBuf + ps->ShadingBufferSize);
+
+ for (dw = 0; dwEntries; pdw++, dwEntries--, dw += 0x01010101)
+ *pdw = dw;
+
+ ps->Asic96Reg.RD_MemAccessControl = bBank;
+
+ dacP96FillWhole4kRAM( ps, pBuf );
+}
+
+/**
+ */
+static void dacP96FillChannelShadingOffset( pScanData ps )
+{
+ ps->OpenScanPath( ps );
+
+ IODataToRegister( ps, ps->RegRedChShadingOffset,
+ ps->Asic96Reg.u28.RD_RedChShadingOff);
+ IODataToRegister( ps, ps->RegGreenChShadingOffset,
+ ps->Asic96Reg.u29.RD_GreenChShadingOff);
+ IODataToRegister( ps, ps->RegBlueChShadingOffset,
+ ps->Asic96Reg.RD_BlueChShadingOff);
+
+ ps->CloseScanPath( ps );
+}
+
+/**
+ */
+static void dacP96GetHilightShadow( pScanData ps,
+ pUChar pBuf, pUChar pChOff, pUChar pHigh )
+{
+ ULong dw;
+
+ /* GetShadingImageExtent (ps) */
+ if (ps->DataInf.wAppDataType < COLOR_256GRAY)
+ dw = (ULong)(ps->DataInf.crImage.cx & 0xfff8);
+ else
+ dw = (ULong)ps->DataInf.crImage.cx;
+
+ for( pBuf += ps->DataInf.crImage.x, *pChOff = 0xff, *pHigh = 0;
+ dw; dw--, pBuf++ ) {
+
+ if (*pChOff < *pBuf) {
+ if (*pHigh < *pBuf)
+ *pHigh = *pBuf; /* brightest */
+ } else
+ *pChOff = *pBuf; /* darkest */
+ }
+}
+
+/**
+ */
+static void dacP96ReadColorShadingLine( pScanData ps )
+{
+ Byte b2ndDiscard, b3rdDiscard, b1stReadLines, b2ndReadLines;
+ Byte b3rdReadLines;
+ ULong dw;
+ DataType Data;
+
+ /* ClearScanBuffer1 (ps) */
+ /* buffer to keep sum of data */
+ memset( ps->pScanBuffer1, 0, ps->BufferForDataRead1 );
+
+ b2ndDiscard = ps->b2ndLinesOffset;
+ b3rdDiscard = ps->b1stLinesOffset;
+ b1stReadLines = b2ndReadLines = b3rdReadLines = 8;
+
+ while( _TRUE ) {
+
+ /* ReadShadingScanLine(ps) */
+ dacP96ReadDataWithinOneSecond( ps, ps->ShadingScanLineLen,
+ ps->ShadingScanLineBlks );
+
+ if (b1stReadLines) {
+
+ b1stReadLines--;
+
+ /* SumAdd10BitShadingR */
+ for (dw = 0; dw < ps->BufferSizeBase; dw++)
+ ((pUShort)ps->pScanBuffer1)[dw] += (UShort)ps->pPrescan16 [dw];
+ }
+
+ if (!b2ndDiscard) {
+ if (b2ndReadLines) {
+ b2ndReadLines--;
+ /* SumAdd10BitShadingG */
+ for (dw = ps->BufferSizeBase;dw < (ULong)ps->BufferSizeBase * 2;dw++) {
+ ((pUShort)ps->pScanBuffer1)[dw] +=
+ (UShort)ps->pPrescan16[dw];
+ }
+ }
+ } else
+ b2ndDiscard--;
+
+ if (!b3rdDiscard) {
+ if (b3rdReadLines) {
+ b3rdReadLines--;
+ /* SumAdd10BitShadingB */
+ for (dw = ps->BufferSizeBase * 2;
+ dw < (ULong)ps->BufferSizeBase * 3; dw++) {
+ ((pUShort)ps->pScanBuffer1)[dw] +=
+ (UShort)ps->pPrescan16[dw];
+ }
+ } else
+ break;
+ } else
+ b3rdDiscard--;
+
+ IORegisterDirectToScanner( ps, ps->RegRefreshScanState );
+ }
+
+ for (dw = 0; dw < (ULong)ps->BufferSizeBase * 3; dw++) {
+
+ Data.wOverlap.b1st =
+ Data.wOverlap.b2nd = (Byte)(((pUShort)ps->pScanBuffer1)[dw] / 8);
+ ((pUShort)ps->pPrescan16)[dw] = Data.wValue;
+ }
+}
+
+/**
+ */
+static void dacP96SetShadingGainProc( pScanData ps, Byte bHigh, ULong dwCh )
+{
+ Byte bDark, bGain, bGainX2, bGainX4, bMask;
+ pUChar pbChDark, pbSrce, pbDest;
+ ULong dw;
+
+ pbChDark = NULL, pbSrce = NULL, pbDest = NULL;
+ bDark = 0, bGain = 0, bGainX2 = 0, bGainX4 = 0, bMask = 0;
+
+ switch( dwCh ) {
+
+ case 0: /* red */
+ pbChDark = &ps->Asic96Reg.u28.RD_RedChShadingOff;
+ pbSrce = ps->pPrescan16;
+ pbDest = ps->pScanBuffer1 + ps->Offset70 + ps->Device.DataOriginX;
+ bGainX2 = 1;
+ bGainX4 = 3;
+ bMask = 0x3c;
+ break;
+
+ case 1: /* green */
+ pbChDark = &ps->Asic96Reg.u29.RD_GreenChShadingOff;
+ pbSrce = ps->pPrescan16 + ps->BufferSizePerModel;
+ pbDest = ps->pScanBuffer1 + ps->Offset70 + ps->ShadingBankSize +
+ ps->Device.DataOriginX;
+ bGainX2 = 4;
+ bGainX4 = 0x0c;
+ bMask = 0x33;
+ break;
+
+ case 2:
+ pbChDark = &ps->Asic96Reg.RD_BlueChShadingOff;
+ pbSrce = ps->pPrescan16 + ps->BufferSizePerModel * 2;
+ pbDest = ps->pScanBuffer1 + ps->Offset70 + ps->ShadingBankSize * 2 +
+ ps->Device.DataOriginX;
+ bGainX2 = 0x10;
+ bGainX4 = 0x30;
+ bMask = 0x0f;
+ }
+
+ bDark = *pbChDark;
+ if ((bHigh -= bDark) > 60U) {
+ /* Hilight - Shadow > 60, Quality not so good */
+ bGain = bGainX2; /* Gain x 2 */
+ if (bHigh > 120U)
+ bGain = bGainX4; /* Poor quality, Gain x 4 */
+ } else
+ bGain = 0;
+
+ ps->Asic96Reg.RD_ShadingCorrectCtrl &= bMask;
+ ps->Asic96Reg.RD_ShadingCorrectCtrl |= bGain;
+
+ if (!bGain) {
+ /* GammaGain1 (ps) */
+ for (dw = ps->BufferSizePerModel; dw; dw--, pbSrce++, pbDest++)
+ if (*pbSrce > bDark)
+ *pbDest = (*pbSrce - bDark) * 4;
+ else
+ *pbDest = 0;
+ } else
+ if (bGain == bGainX2) {
+ /* GammaGain2 */
+ for (dw = ps->BufferSizePerModel; dw; dw--, pbSrce++, pbDest++)
+ if (*pbSrce > bDark)
+ *pbDest = (*pbSrce - bDark) * 2;
+ else
+ *pbDest = 0;
+ } else {
+ /* GammaGain4 (ps) */
+ memcpy( pbDest, pbSrce, ps->BufferSizePerModel );
+ *pbChDark = 0;
+ }
+}
+
+/**
+ */
+static void dacP96FillShadingAndGammaTable( pScanData ps )
+{
+ ps->Asic96Reg.RD_MemAccessControl = ps->ShadingBankRed; /* R */
+ dacP96FillWhole4kRAM( ps, ps->pPrescan16 );
+
+ ps->Asic96Reg.RD_MemAccessControl = ps->ShadingBankGreen; /* G */
+ dacP96FillWhole4kRAM( ps, ps->pPrescan16 );
+
+ ps->Asic96Reg.RD_MemAccessControl = ps->ShadingBankBlue; /* B */
+ dacP96FillWhole4kRAM( ps, ps->pPrescan16 );
+}
+
+/**
+ */
+static void dacP96SetInitialGainRAM( pScanData ps )
+{
+ ULong dw, dw1;
+ pULong pdw = (pULong)(ps->pPrescan16 + ps->ShadingBufferSize);
+
+ memset( ps->pPrescan16, 0xff, ps->ShadingBufferSize );
+
+ for (dw = 256, dw1 = 0; dw; dw--, dw1 += 0x01010101, pdw++)
+ *pdw = dw1;
+
+ dacP96FillShadingAndGammaTable( ps );
+}
+
+/**
+ */
+static void dacP96Adjust10BitShading( pScanData ps )
+{
+ pULong pdw;
+ ULong dw;
+ Byte bRedHigh, bGreenHigh, bBlueHigh;
+
+ /* ShadingMotorRunLoop(ps)
+ * set scan states as:
+ * 40h, 00, 00, 00, 40h, 01, 03, 02, ... (repeat)
+ * so, read a R/G/B line every 2 steps
+ */
+ pdw = (pULong)ps->a_nbNewAdrPointer;
+ for (dw = 0; dw < 4; dw++) {
+ *pdw++ = 0x40;
+ *pdw++ = 0x02030140;
+ }
+
+ dacP96SetInitialGainRAM( ps); /* initiates the shading buffers and maps */
+
+ /* SetAdjustShadingRegister(ps) */
+ /* Prepare Physical/2 dpi, 8.5" scanning condition for reading the shading area */
+ ps->AsicReg.RD_ScanControl = ps->bLampOn | _SCAN_BYTEMODE;
+ ps->Asic96Reg.RD_MotorControl = ps->IgnorePF | ps->MotorOn |
+ _MotorDirForward;
+ ps->AsicReg.RD_ModelControl = ps->Device.ModelCtrl | _ModelWhiteIs0;
+ ps->AsicReg.RD_Dpi = ps->PhysicalDpi / 2;
+ ps->AsicReg.RD_Origin = (UShort)(ps->Offset70 +
+ ps->Device.DataOriginX);
+ ps->AsicReg.RD_Pixels = ps->BufferSizeBase;
+ IOPutOnAllRegisters( ps );
+
+ ps->Asic96Reg.RD_ShadingCorrectCtrl = _ShadingRCorrectX4|_ShadingGCorrectX4|
+ _ShadingBCorrectX4;
+ IOCmdRegisterToScanner( ps, ps->RegShadingCorrectCtrl,
+ ps->Asic96Reg.RD_ShadingCorrectCtrl );
+
+ /* Read shaded data and do average */
+ dacP96ReadColorShadingLine( ps );
+
+ /* ExpandAndAverage (ps) ------------------------------------------------*/
+/*
+ for (dw = 0; dw < 1280 * 3; dw++)
+ {
+ Data.wOverlap.b1st =
+ Data.wOverlap.b2nd = (Byte)(((pUShort) ps->pScanBuffer1)[dw] / 8);
+ ((pULong) ps->pPrescan16)[dw] = Data.wValue;
+ }
+*/
+ /* CalculateShadingOffset (ps); */
+ dacP96GetHilightShadow( ps, ps->pPrescan16,
+ &ps->Asic96Reg.u28.RD_RedChShadingOff, &bRedHigh );
+
+ dacP96GetHilightShadow( ps, ps->pPrescan16 + ps->BufferSizePerModel,
+ &ps->Asic96Reg.u29.RD_GreenChShadingOff, &bGreenHigh );
+
+ dacP96GetHilightShadow( ps, ps->pPrescan16 + ps->BufferSizePerModel * 2,
+ &ps->Asic96Reg.RD_BlueChShadingOff, &bBlueHigh );
+
+ /* SubTheImageDataBase (ps) */
+ dacP96SetShadingGainProc( ps, bRedHigh, 0 ); /* red */
+ dacP96SetShadingGainProc( ps, bGreenHigh, 1 ); /* green */
+ dacP96SetShadingGainProc( ps, bBlueHigh, 2 ); /* blue */
+ dacP96FillChannelShadingOffset( ps );
+
+ IOCmdRegisterToScanner( ps, ps->RegShadingCorrectCtrl,
+ ps->Asic96Reg.RD_ShadingCorrectCtrl );
+
+ dacP96SumAverageShading( ps, ps->pPrescan16, ps->pScanBuffer1 );
+ dacP96SumAverageShading( ps, ps->pPrescan16 + ps->ShadingBankSize,
+ ps->pScanBuffer1 + ps->ShadingBankSize );
+ dacP96SumAverageShading( ps, ps->pPrescan16 + ps->ShadingBankSize * 2,
+ ps->pScanBuffer1 + ps->ShadingBankSize * 2 );
+
+ /* --------------------------------------------------------------------- */
+
+ /* PrewriteBackToGammaShadingRAM( ps) */
+ dacP96WriteLinearGamma( ps, ps->pPrescan16, 256, ps->ShadingBankRed );
+ dacP96WriteLinearGamma( ps, ps->pPrescan16 + ps->ShadingBankSize, 256,
+ ps->ShadingBankGreen );
+ dacP96WriteLinearGamma( ps, ps->pPrescan16 + ps->ShadingBankSize * 2,
+ 256, ps->ShadingBankBlue );
+}
+
+/**
+ */
+static Bool dacP96003WaitForShading( pScanData ps )
+{
+ int bCorrectTimes;
+ DataPointer p;
+ ULong dw;
+ UShort w;
+ WordVal wv;
+ pUChar pbReg[3];
+ Byte b[3];
+
+ DBG( DBG_LOW, "dacP96003WaitForShading()\n" );
+
+ /* TurnOnLamp () */
+ ps->AsicReg.RD_ScanControl |= ps->bLampOn;
+ IOCmdRegisterToScanner(ps, ps->RegScanControl, ps->AsicReg.RD_ScanControl);
+
+ ps->Asic96Reg.RD_LedControl = _LedActControl | _LedMotorActEnable;
+ IOCmdRegisterToScanner(ps, ps->RegLedControl, ps->Asic96Reg.RD_LedControl);
+
+ if ( ps->GotoShadingPosition( ps )) {
+
+ /* AdjustRGBGain () =================================================*/
+ ps->Asic96Reg.RD_RedGainOut = ps->Asic96Reg.RD_GreenGainOut =
+ ps->Asic96Reg.RD_BlueGainOut = 8;
+ ps->Asic96Reg.u26.RD_ModelControl2 = _Model2DirectOutPort;
+
+ IOCmdRegisterToScanner(ps, ps->RegModelControl2, _Model2DirectOutPort);
+
+ for ( bCorrectTimes = 4; bCorrectTimes >= 1; bCorrectTimes-- ) {
+
+ ps->PauseColorMotorRunStates( ps );
+
+ /* SetRGBGainRegister () ----------------------------------------*/
+ ps->AsicReg.RD_ScanControl = ps->bLampOn | _SCAN_BYTEMODE;
+ dacP96SetInitialGainRAM( ps );
+
+ /* SetInitialGainRegister () ++++++++++++++++++++++++++++++++++++*/
+ ps->Asic96Reg.u28.RD_RedChShadingOff =
+ ps->Asic96Reg.u29.RD_GreenChShadingOff =
+ ps->Asic96Reg.RD_BlueChShadingOff =
+ ps->Asic96Reg.RD_RedChDarkOff =
+ ps->Asic96Reg.RD_GreenChDarkOff =
+ ps->Asic96Reg.RD_BlueChDarkOff =
+ ps->Asic96Reg.RD_RedChEvenOff =
+ ps->Asic96Reg.RD_GreenChEvenOff =
+ ps->Asic96Reg.RD_BlueChEvenOff =
+ ps->Asic96Reg.RD_RedChOddOff =
+ ps->Asic96Reg.RD_GreenChOddOff =
+ ps->Asic96Reg.RD_BlueChOddOff = 0;
+ ps->Asic96Reg.RD_ShadingCorrectCtrl = _ShadingRCorrectX4 |
+ _ShadingGCorrectX4 |
+ _ShadingBCorrectX4;
+
+ dacP96FillChannelShadingOffset( ps );
+ dacP96FillChannelDarkOffset( ps );
+ dacP96FillEvenOddControl( ps );
+
+ /* FillGainOutDirectPort (); */
+ ps->OpenScanPath( ps );
+ IODataToRegister( ps, ps->RegRedGainOutDirect,
+ ps->Asic96Reg.RD_RedGainOut );
+ IODataToRegister( ps, ps->RegGreenGainOutDirect,
+ ps->Asic96Reg.RD_GreenGainOut );
+ IODataToRegister( ps, ps->RegBlueGainOutDirect,
+ ps->Asic96Reg.RD_BlueGainOut );
+
+ /* FillGainInitialRestRegister (); */
+ IODataToRegister( ps, ps->RegModelControl2,
+ ps->Asic96Reg.u26.RD_ModelControl2 );
+ IODataToRegister( ps, ps->RegThresholdGapControl,
+ ps->AsicReg.RD_ThresholdGapCtrl );
+ IODataToRegister( ps, ps->RegLedControl,
+ ps->Asic96Reg.RD_LedControl );
+
+ IODataToRegister( ps, ps->RegShadingCorrectCtrl,
+ ps->Asic96Reg.RD_ShadingCorrectCtrl );
+
+ ps->CloseScanPath( ps );
+
+ ps->Asic96Reg.RD_MotorControl = 0;
+ IOCmdRegisterToScanner( ps, ps->RegMotorControl, 0 );
+
+ ps->AsicReg.RD_ModeControl = _ModeScan;
+ ps->AsicReg.RD_ScanControl = ps->bLampOn | _SCAN_BYTEMODE;
+ ps->Asic96Reg.RD_MotorControl = (ps->IgnorePF |
+ ps->MotorOn | _MotorDirForward);
+
+ ps->AsicReg.RD_Origin = 142;
+ ps->AsicReg.RD_ModelControl = ps->Device.ModelCtrl | _ModelWhiteIs0;
+ ps->AsicReg.RD_Dpi = ps->PhysicalDpi;
+ ps->AsicReg.RD_Pixels = ps->BufferSizePerModel;
+
+ IOPutOnAllRegisters( ps );
+
+ /*---------------------------------------------------------------*/
+
+ /* ReadOneScanLine (); */
+ dacP96ReadDataWithinOneSecond( ps, ps->OneScanLineLen, 11 );
+
+ /* AdjustGain () */
+ /* FindTheMaxGain (), AdjustGainOutData (); */
+
+ pbReg[0] = &ps->Asic96Reg.RD_RedGainOut;
+ pbReg[1] = &ps->Asic96Reg.RD_GreenGainOut;
+ pbReg[2] = &ps->Asic96Reg.RD_BlueGainOut;
+
+ for (w = 0, p.pb = ps->pPrescan16; w < 3; w++) {
+/* CHANGE: org was: for (dw = 2560, b[w] = 0; dw; dw--, p.pb++) { */
+ for (dw = (ps->OneScanLineLen/3), b[w] = 0; dw; dw--, p.pb++) {
+
+ if (b[w] < *p.pb)
+ b[w] = *p.pb;
+ }
+
+ if (b[w] < _GAIN_LOW)
+ *(pbReg[w]) += a_bCorrectTimesTable[bCorrectTimes - 1];
+ else
+ if (b[w] > _GAIN_P96_HIGH)
+ *(pbReg[w]) -= a_bCorrectTimesTable[bCorrectTimes - 1];
+ }
+ }
+
+ /*===================================================================*/
+
+ /* SonyFBK ()/ToshibaFBK ()====================================*/
+ /*FillRGBDarkLevel0Table (); */
+ memset( ps->pPrescan16, 0xff, ps->ShadingBankSize );
+
+ for( dw = 0, p.pb = ps->pPrescan16 + ps->ShadingBufferSize;
+ dw <=255; dw++, p.pb++ ) {
+ *p.pb = (Byte) dw;
+ }
+
+ dacP96FillShadingAndGammaTable( ps );
+
+ ps->PauseColorMotorRunStates( ps );
+
+ /* SetReadFBKRegister () */
+ ps->Asic96Reg.RD_MotorControl = 0;
+ IOCmdRegisterToScanner( ps, ps->RegMotorControl, 0 );
+
+ ps->AsicReg.RD_ModeControl = _ModeScan;
+ ps->AsicReg.RD_ScanControl = ps->bLampOn | _SCAN_BYTEMODE;
+ ps->Asic96Reg.RD_MotorControl = ps->IgnorePF | ps->MotorOn |
+ _MotorDirForward;
+
+ ps->AsicReg.RD_Origin = 22;
+ ps->AsicReg.RD_ModelControl = ps->Device.ModelCtrl | _ModelWhiteIs0;
+ ps->AsicReg.RD_Dpi = ps->PhysicalDpi;
+ ps->AsicReg.RD_Pixels = ps->FBKScanLineLenBase;
+
+ IOPutOnAllRegisters( ps );
+
+ /* ReadFBKScanLine () */
+ dacP96ReadDataWithinOneSecond( ps, ps->FBKScanLineLen,
+ ps->FBKScanLineBlks );
+
+ /*===================================================================*/
+ if ( ps->fSonyCCD ) {
+
+ /* FillChannelDarkLevelControl (); */
+ for ( p.pb = ps->pPrescan16 + 32, w = 0, dw = 16;
+ dw; dw--, p.pb++) {
+ w += (UShort) *p.pb;
+ }
+
+ ps->Asic96Reg.RD_RedChDarkOff = (Byte)(w / 16);
+
+ for ( p.pb = ps->pPrescan16 + 32 + ps->FBKScanLineLenBase, w = 0, dw = 16;
+ dw; dw--, p.pb++ ) {
+ w += (UShort)*p.pb;
+ }
+
+ ps->Asic96Reg.RD_GreenChDarkOff = (Byte)(w / 16);
+
+ for ( p.pb = ps->pPrescan16 + 32 + ps->FBKScanLineLenBase * 2, w = 0, dw = 16;
+ dw; dw--, p.pb++) {
+ w += (UShort)*p.pb;
+ }
+
+ ps->Asic96Reg.RD_BlueChDarkOff = (Byte)(w / 16);
+
+ dacP96FillChannelDarkOffset( ps );
+
+ } else {
+
+ /* FillToshibaDarkLevelControl (); */
+ dacP96GetEvenOddOffset( ps->pPrescan16 + 32, &wv );
+ ps->Asic96Reg.RD_RedChEvenOff = wv.b1st;
+ ps->Asic96Reg.RD_RedChOddOff = wv.b2nd;
+
+ dacP96GetEvenOddOffset( ps->pPrescan16 + 32 + ps->FBKScanLineLenBase, &wv );
+ ps->Asic96Reg.RD_GreenChEvenOff = wv.b1st;
+ ps->Asic96Reg.RD_GreenChOddOff = wv.b2nd;
+
+ dacP96GetEvenOddOffset( ps->pPrescan16 + 32 + ps->FBKScanLineLenBase * 2, &wv );
+ ps->Asic96Reg.RD_BlueChEvenOff = wv.b1st;
+ ps->Asic96Reg.RD_BlueChOddOff = wv.b2nd;
+
+ dacP96FillEvenOddControl( ps );
+ }
+
+ /* SetInitialGainRAM (); */
+ dacP96Adjust10BitShading( ps );
+
+ return _TRUE;
+ }
+
+ return _FALSE;
+}
+
+/**
+ */
+static void dacP96001ToSetShadingAddress( pScanData ps, pUChar pData )
+{
+ ps->OpenScanPath( ps );
+
+ IODataToRegister( ps, ps->RegMemAccessControl,
+ ps->Asic96Reg.RD_MemAccessControl);
+
+ ps->AsicReg.RD_ModeControl = _ModeProgram;
+ IODataToRegister( ps, ps->RegModeControl, _ModeProgram );
+
+ ps->Asic96Reg.RD_MotorControl = ps->FullStep | _MotorDirForward;
+ IODataToRegister( ps, ps->RegMotorControl, ps->Asic96Reg.RD_MotorControl);
+
+ memset( ps->pScanBuffer1, 0, (64 + 8 + ps->Offset70));
+ memcpy( ps->pScanBuffer1 + 64 + 8 + ps->Offset70, pData,
+ _BUF_SIZE_BASE_CONST * 2 );
+
+ IOMoveDataToScanner( ps, ps->pScanBuffer1,
+ _BUF_SIZE_BASE_CONST * 2 + 64 + 8 + ps->Offset70 );
+
+ ps->AsicReg.RD_ModeControl = _ModeScan;
+ IODataToRegister( ps, ps->RegModeControl, _ModeScan );
+
+ ps->CloseScanPath( ps );
+}
+
+/**
+ */
+static void dacP96001WriteBackToColorShadingRam( pScanData ps )
+{
+ ps->Asic96Reg.RD_MemAccessControl = (_MemBankSize4k96001 | 0x3a);
+ dacP96001ToSetShadingAddress( ps, ps->pPrescan16 );
+
+ ps->Asic96Reg.RD_MemAccessControl = (_MemBankSize4k96001 | 0x3e);
+ dacP96001ToSetShadingAddress( ps, ps->pPrescan16 + _BUF_SIZE_BASE_CONST*2);
+
+ ps->Asic96Reg.RD_MemAccessControl = (_MemBankSize4k96001 | 0x3c);
+ dacP96001ToSetShadingAddress( ps, ps->pPrescan16 + _BUF_SIZE_BASE_CONST*4);
+}
+
+/**
+ */
+static void dacP96001ModifyShadingColor( pByte pData, Byte bMul )
+{
+ UShort w;
+ ULong dw;
+
+ for ( dw = 0; dw < _BUF_SIZE_BASE_CONST * 2; dw++ ) {
+
+ w = (UShort)(Byte)(~pData[dw]) * bMul / 100U;
+
+ if (w >= 255U)
+ pData[dw] = 0;
+ else
+ pData[dw] = (Byte)~w;
+ }
+}
+
+/**
+ */
+static Byte dacP96001FBKReading( pScanData ps, Byte bValue,
+ Byte bReg, pByte pbSave, Bool bFBKModify )
+{
+ TimerDef timer;
+ UShort w, wSum;
+ Byte addrSeq[8] = { 0x40, 0x20, 0x10, 0x08, 4, 2, 1, 0 };
+ Byte bTemp, bFBKTemp, bFBKIndex;
+
+ if( bFBKModify ) {
+ bFBKIndex = 3;
+ bFBKTemp = *pbSave;
+ } else {
+ bFBKTemp = 0x80;
+ bFBKIndex = 0;
+ }
+
+ while( _TRUE ) {
+
+ *pbSave = bFBKTemp;
+ IOCmdRegisterToScanner( ps, bReg, bFBKTemp );
+
+ /* SetColorRunTable (BYTE) */
+ memset( ps->a_nbNewAdrPointer, bValue, _SCANSTATE_BYTES );
+ MotorSetConstantMove( ps, 0 );
+
+ /* SetReadFBK (pScanData) */
+ ps->Asic96Reg.RD_MotorControl = ps->FullStep | _MotorDirForward;
+ IOCmdRegisterToScanner( ps, ps->RegMotorControl,
+ ps->Asic96Reg.RD_MotorControl );
+
+ ps->AsicReg.RD_ModeControl = _ModeScan;
+ ps->AsicReg.RD_ScanControl = _SCAN_BYTEMODE | ps->bLampOn;
+ ps->AsicReg.RD_ModelControl =
+ (_ModelMemSize32k96001 | _ModelDpi300 | _ModelWhiteIs0 );
+
+ ps->AsicReg.RD_Dpi = 300;
+ ps->AsicReg.RD_Origin = 22;
+ ps->AsicReg.RD_Pixels = 1024;
+ IOPutOnAllRegisters( ps );
+
+ ps->Asic96Reg.RD_MotorControl =
+ (ps->FullStep | ps->MotorOn | _MotorDirForward);
+ IOCmdRegisterToScanner( ps, ps->RegMotorControl,
+ ps->Asic96Reg.RD_MotorControl );
+
+ MiscStartTimer( &timer, _SECOND );
+ while((IODataRegisterFromScanner( ps, ps->RegFifoOffset) < 1) &&
+ !MiscCheckTimer( &timer ));
+
+ IOCmdRegisterToScanner( ps, ps->RegMotorControl, 0 );
+ IOReadScannerImageData( ps, ps->pScanBuffer1, 64 );
+
+ for( w = 26, wSum = 0; w < 42; w++)
+ wSum += ps->pScanBuffer1[w];
+
+ wSum >>= 4;
+ bTemp = addrSeq[bFBKIndex++];
+
+ if( bTemp ) {
+ if( wSum < 0xfe )
+ bFBKTemp += bTemp;
+ else
+ bFBKTemp -= bTemp;
+ } else {
+ return bFBKTemp;
+ }
+ }
+}
+
+/**
+ */
+static Bool dacP96001WaitForShading( pScanData ps )
+{
+ Bool bFBKModify;
+ Byte bRSave;
+ Byte bGSave;
+ Byte bBSave;
+ ULong dw;
+ pULong pdw;
+
+ DBG( DBG_LOW, "dacP96001WaitForShading()\n" );
+
+ ps->AsicReg.RD_ScanControl |= ps->bLampOn;
+ IOCmdRegisterToScanner(ps, ps->RegScanControl, ps->AsicReg.RD_ScanControl);
+
+ if ( ps->GotoShadingPosition( ps )) {
+
+ _DODELAY( 250 );
+
+ /* AdjustMostWideOffset70 (pScanData) -------------------------------*/
+ /* FillABitGray (pScanData)*/
+ memset( ps->a_nbNewAdrPointer, 0, _SCANSTATE_BYTES );
+ ps->a_nbNewAdrPointer[8] =
+ ps->a_nbNewAdrPointer[24] = 0x30;
+
+ MotorSetConstantMove( ps, 32 );
+
+ /* SetMaxWideRegister (pScanData) */
+ ps->AsicReg.RD_ModeControl = _ModeScan;
+ ps->AsicReg.RD_ScanControl = _SCAN_BYTEMODE | ps->bLampOn;
+
+ ps->Asic96Reg.RD_MotorControl =
+ (ps->MotorOn | ps->IgnorePF | _MotorDirForward);
+ ps->AsicReg.RD_ModelControl =
+ (_ModelMemSize32k96001 | _ModelDpi300 | _ModelWhiteIs0);
+
+ ps->AsicReg.RD_Dpi = 300;
+ ps->AsicReg.RD_Origin = 64 + 8;
+ ps->AsicReg.RD_Pixels = 2700;
+ IOPutOnAllRegisters( ps );
+
+ IOCmdRegisterToScanner( ps, ps->RegMotorControl,
+ ps->Asic96Reg.RD_MotorControl );
+
+ /* ReadMaxWideLine */
+ dacP96ReadDataWithinOneSecond( ps, 2700, 5 );
+
+ /* AdjustOffset70Proc (pScanData)------------------------------------*/
+ {
+ ULong dwSum, dw, dwLeft, dwCenter;
+
+ /* AverageWideBank (pScanData) */
+ for( dwSum = 0, dw = 0; dw < 2700; dw++ )
+ dwSum += (ULong)ps->pPrescan16[dw];
+
+ dwSum /= 2700UL;
+
+ if( dwSum <= 0x80 ) {
+
+ memcpy( ps->pScanBuffer1, ps->pPrescan16, 140 );
+ memcpy( ps->pScanBuffer1 + 140,
+ ps->pPrescan16 + _BUF_SIZE_BASE_CONST * 2, 140);
+
+ /* BlackOffsetCheck (pScanData) */
+ for( dw = dwLeft = 0; dw < 140; dw++ ) {
+ if( ps->pScanBuffer1[dw] >= 0xe0 )
+ dwLeft++;
+ else
+ break;
+ }
+
+ /* WhiteOffsetCheck (pScanData) */
+ for( dw = 140, dwCenter = 0; dw < 280; dw++ ) {
+ if( ps->pScanBuffer1[dw] < 0xe0 )
+ dwCenter++;
+ else
+ break;
+ }
+
+ if (dwLeft) {
+ ps->Offset70 = (dwLeft + dwCenter) / 2 + 14;
+ } else {
+ if (dwCenter == 140)
+ ps->Offset70 = 70;
+ else
+ ps->Offset70 = dwCenter / 2 + 2;
+ }
+ }
+ }
+
+ memset( ps->pPrescan16, 0, ps->BufferSizePerModel * 3 );
+ dacP96001WriteBackToColorShadingRam( ps );
+
+ /* SetFBK */
+ if((IODataRegisterFromScanner(ps, ps->RegReadIOBufBus) & 0x0f) == 0x0f)
+ bFBKModify = 0;
+ else
+ bFBKModify = 1;
+
+ dacP96001FBKReading(ps, 0x10, ps->RegRedDCAdjust, &bRSave,bFBKModify);
+ dacP96001FBKReading(ps, 0x30, ps->RegGreenDCAdjust,&bGSave,bFBKModify);
+ dacP96001FBKReading(ps, 0x20, ps->RegBlueDCAdjust, &bBSave,bFBKModify);
+
+ ps->OpenScanPath( ps );
+ IODataToRegister( ps, ps->RegRedDCAdjust, (Byte)(bRSave + 2));
+ IODataToRegister( ps, ps->RegGreenDCAdjust, (Byte)(bGSave + 2));
+ IODataToRegister( ps, ps->RegBlueDCAdjust, bBSave);
+ ps->CloseScanPath( ps );
+
+ /* Turn off and then turn on motor */
+ IOCmdRegisterToScanner( ps, ps->RegMotorControl,
+ (Byte)(ps->Asic96Reg.RD_MotorControl & ~ps->MotorOn));
+ IOCmdRegisterToScanner( ps, ps->RegMotorControl,
+ ps->Asic96Reg.RD_MotorControl );
+
+ /* FillABitColor (pScanData) */
+ pdw = (pULong)ps->a_nbNewAdrPointer;
+ for( dw = 0; dw < 4; dw++) {
+ *pdw++ = 0x40;
+ *pdw++ = 0x2030140;
+ }
+
+ IOSetToMotorRegister( ps );
+
+ /* SetShadingRegister (pScanData) */
+ ps->Asic96Reg.RD_MotorControl = ps->FullStep | _MotorDirForward;
+ IOCmdRegisterToScanner( ps, ps->RegMotorControl,
+ ps->Asic96Reg.RD_MotorControl );
+ ps->AsicReg.RD_ModeControl = _ModeScan;
+ ps->AsicReg.RD_LineControl = ps->TimePerLine;
+ ps->AsicReg.RD_ScanControl = _SCAN_BYTEMODE | ps->bLampOn;
+ ps->Asic96Reg.RD_MotorControl = ps->FullStep | _MotorDirForward;
+
+ ps->AsicReg.RD_ModelControl =
+ (_ModelMemSize32k96001 | _ModelDpi300 | _ModelWhiteIs0);
+ ps->AsicReg.RD_Dpi = 150;
+ ps->AsicReg.RD_Origin = (UShort)(64 + 8 + ps->Offset70);
+ ps->AsicReg.RD_Pixels = ps->BufferSizeBase;
+ IOPutOnAllRegisters( ps );
+
+ IOCmdRegisterToScanner( ps, ps->RegMotorControl,
+ (Byte)(ps->MotorOn | ps->IgnorePF | _MotorDirForward));
+
+ dacP96ReadColorShadingLine( ps );
+
+ /* ModifyShadingColor (pScanData) */
+ dacP96001ModifyShadingColor( ps->pPrescan16, 103 );
+ dacP96001ModifyShadingColor( ps->pPrescan16 +
+ _BUF_SIZE_BASE_CONST * 2 * 2, 97);
+ dacP96001WriteBackToColorShadingRam( ps );
+ return _TRUE;
+ }
+ return _FALSE;
+}
+
+/**
+ */
+static void dacP98003GainOffsetToDAC( pScanData ps, Byte ch, Byte reg, Byte d )
+{
+ if( ps->Device.bDACType == _DA_SAMSUNG8531 ) {
+
+ IODataToRegister( ps, ps->RegADCAddress, 0 );
+ IODataToRegister( ps, ps->RegADCData, ch );
+ IODataToRegister( ps, ps->RegADCSerialOutStr, ch);
+ }
+
+ IODataToRegister( ps, ps->RegADCAddress, reg );
+ IODataToRegister( ps, ps->RegADCData, d );
+ IODataToRegister( ps, ps->RegADCSerialOutStr, d );
+}
+
+/**
+ */
+static void dacP98003AdjustRGBGain( pScanData ps )
+{
+ ULong i;
+ Byte bHi[3];
+
+ DBG( DBG_LOW, "dacP98003AdjustRGBGain()\n" );
+
+ ps->Shade.Gain.Colors.Red =
+ ps->Shade.Gain.Colors.Green =
+ ps->Shade.Gain.Colors.Blue = ps->Shade.bUniGain;
+
+ ps->Shade.Hilight.Colors.Red =
+ ps->Shade.Hilight.Colors.Green =
+ ps->Shade.Hilight.Colors.Blue = 0;
+
+ ps->Shade.bGainHigh = _GAIN_P98003_HIGH;
+ ps->Shade.bGainLow = _GAIN_P98003_LOW;
+
+ ps->Shade.fStop = _FALSE;
+
+ for( i = 10; i-- && !ps->Shade.fStop; ) {
+
+ ps->Shade.fStop = _TRUE;
+
+ /* SetRGBGainRegister () */
+ IODataToRegister( ps, ps->RegModeControl, _ModeIdle );
+
+ ps->AsicReg.RD_ScanControl = _SCAN_BYTEMODE;
+ IOSelectLampSource( ps );
+ IODataToRegister( ps, ps->RegScanControl, ps->AsicReg.RD_ScanControl );
+
+ DacP98003FillToDAC( ps, &ps->Device.RegDACGain, &ps->Shade.Gain );
+
+ ps->AsicReg.RD_ModeControl = _ModeScan;
+ ps->AsicReg.RD_StepControl = _MOTOR0_SCANSTATE;
+ ps->AsicReg.RD_Motor0Control = _FORWARD_MOTOR;
+
+ if( ps->Shade.bIntermediate & _ScanMode_AverageOut )
+ ps->AsicReg.RD_Origin = (UShort)ps->Device.DataOriginX >> 1;
+ else
+ ps->AsicReg.RD_Origin = (UShort)ps->Device.DataOriginX;
+
+ ps->AsicReg.RD_Dpi = 300;
+ ps->AsicReg.RD_Pixels = 2560;
+
+ /* PauseColorMotorRunStates () */
+ memset( ps->a_nbNewAdrPointer, 0, _SCANSTATE_BYTES );
+ ps->a_nbNewAdrPointer[1] = 0x77;
+
+ IOPutOnAllRegisters( ps );
+
+ _DODELAY( 70 );
+
+ /* read one shading line and work on it */
+ if( IOReadOneShadingLine( ps, (pUChar)ps->Bufs.b1.pShadingRam, 2560)) {
+
+ if ( ps->DataInf.wPhyDataType <= COLOR_256GRAY ) {
+
+ bHi[1] = DacP98003SumGains(
+ (pUChar)ps->Bufs.b1.pShadingRam + 2560, 2560);
+ if( bHi[1] )
+ DacP98003AdjustGain( ps, _CHANNEL_GREEN, bHi[1] );
+ else {
+ ps->Shade.fStop = _FALSE;
+ }
+ } else {
+ bHi[0] = DacP98003SumGains((pUChar)ps->Bufs.b1.pShadingRam, 2560);
+ bHi[1] = DacP98003SumGains((pUChar)ps->Bufs.b1.pShadingRam + 2560, 2560);
+ bHi[2] = DacP98003SumGains((pUChar)ps->Bufs.b1.pShadingRam + 5120, 2560);
+
+ if (!bHi[0] || !bHi[1] || !bHi[2] ) {
+ ps->Shade.fStop = _FALSE;
+ } else {
+ DacP98003AdjustGain( ps, _CHANNEL_RED, bHi[0] );
+ DacP98003AdjustGain( ps, _CHANNEL_GREEN, bHi[1] );
+ DacP98003AdjustGain( ps, _CHANNEL_BLUE, bHi[2] );
+ }
+ }
+ } else
+ ps->Shade.fStop = _FALSE;
+ }
+
+#ifdef DEBUG
+ if( !ps->Shade.fStop )
+ DBG( DBG_LOW, "dacP98003AdjustRGBGain() - all loops done!!!\n" );
+#endif
+
+ DacP98003FillToDAC( ps, &ps->Device.RegDACGain, &ps->Shade.Gain );
+}
+
+/**
+ */
+static UShort dacP98003SumDarks( pScanData ps, pUShort data )
+{
+ UShort i, loop;
+
+ if( ps->Device.bCCDID == _CCD_3799 ) {
+ if( ps->Shade.bIntermediate & _ScanMode_AverageOut )
+ data += 0x18;
+ else
+ data += 0x30;
+ } else {
+ if( ps->Shade.bIntermediate & _ScanMode_AverageOut )
+ data += 0x18;
+ else
+ data += 0x20;
+ }
+
+ for( i = 0, loop = 16; loop--; data++ )
+ i += *data;
+ i >>= 4;
+
+ return i;
+}
+
+/**
+ */
+static void dacP98003AdjustShadingWaveform( pScanData ps )
+{
+ Byte b;
+ UShort count, wR, wG, wB, tmp;
+ DataType var;
+ DataPointer pvar, psum;
+ RBGPtrDef cp;
+ pRGBUShortDef pRGB, pwsum;
+
+ DBG( DBG_LOW, "dacP98003AdjustShadingWaveForm()\n" );
+
+ memset( &cp, 0, sizeof(RBGPtrDef));
+ memset( ps->Bufs.b2.pSumBuf, 0, (5400 * 3 * 2));
+
+ /* SetAdjustShadingRegister () */
+ IODataToRegister( ps, ps->RegModeControl, _ModeIdle );
+
+ ps->AsicReg.RD_LineControl = _LOBYTE(ps->Shade.wExposure);
+ ps->AsicReg.RD_ExtLineControl = _HIBYTE(ps->Shade.wExposure);
+ IODataToRegister( ps, ps->RegExtendedLineControl,
+ ps->AsicReg.RD_ExtLineControl );
+ IODataToRegister( ps, ps->RegLineControl, ps->AsicReg.RD_LineControl );
+
+ ps->AsicReg.RD_XStepTime = _LOBYTE(ps->Shade.wExposure);
+ ps->AsicReg.RD_ExtXStepTime = _HIBYTE(ps->Shade.wExposure);
+ IODataToRegister( ps, ps->RegExtendedXStep, ps->AsicReg.RD_ExtXStepTime );
+ IODataToRegister( ps, ps->RegXStepTime, ps->AsicReg.RD_XStepTime );
+
+ ps->AsicReg.RD_ModeControl = _ModeScan;
+ ps->AsicReg.RD_StepControl = _MOTOR0_SCANSTATE;
+ ps->AsicReg.RD_Motor0Control = _FORWARD_MOTOR;
+
+ if( ps->Shade.bIntermediate & _ScanMode_AverageOut ) {
+
+ ps->AsicReg.RD_Dpi = 300;
+ ps->AsicReg.RD_Pixels = 2700;
+ ps->Shade.shadingBytes = 2700 * 2;
+ } else {
+ ps->AsicReg.RD_Dpi = 600;
+ ps->AsicReg.RD_Pixels = 5400;
+ ps->Shade.shadingBytes = 5400 * 2;
+ }
+ ps->AsicReg.RD_Origin = _SHADING_BEGINX;
+
+ for( pvar.pdw = (pULong)ps->a_nbNewAdrPointer,
+ var.dwValue = _SCANSTATE_BYTES >> 2; var.dwValue--; pvar.pdw++) {
+ *pvar.pdw = 0x00f00080;
+ }
+
+ ps->Scan.fRefreshState = _FALSE;
+ IOPutOnAllRegisters( ps );
+ _DODELAY( 55 );
+
+ /* SetupHilightShadow () */
+ if( ps->Shade.pHilight ) {
+
+ memset( ps->Shade.pHilight, 0,
+ ps->Shade.shadingBytes * ps->Shade.skipHilight * 3 );
+
+ memset((pUChar)ps->Shade.pHilight +
+ ps->Shade.shadingBytes * ps->Shade.skipHilight * 3, 0xff,
+ ps->Shade.shadingBytes * ps->Shade.skipShadow * 3 );
+ }
+
+
+ for( count = 32; count--;) {
+
+ IOReadOneShadingLine( ps,
+ ((pUChar)ps->Bufs.b1.pShadingRam)+_SHADING_BEGINX,
+ ps->Shade.shadingBytes );
+
+ /* SaveHilightShadow() */
+ if( ps->Shade.pHilight ) {
+
+ if ( ps->DataInf.wPhyDataType > COLOR_256GRAY ) {
+
+ cp.red.usp = ps->Bufs.b1.pShadingRam + _SHADING_BEGINX;
+ cp.green.usp = cp.red.usp + ps->AsicReg.RD_Pixels;
+ cp.blue.usp = cp.green.usp + ps->AsicReg.RD_Pixels;
+ pvar.pusrgb = (pRGBUShortDef)ps->Shade.pHilight +
+ _SHADING_BEGINX;
+
+ for( var.dwValue = ps->AsicReg.RD_Pixels - _SHADING_BEGINX;
+ var.dwValue--;) {
+ pRGB = pvar.pusrgb++;
+ wR = *cp.red.usp;
+ wG = *cp.green.usp;
+ wB = *cp.blue.usp;
+
+ for( b = ps->Shade.skipHilight; b--;
+ pRGB += ps->AsicReg.RD_Pixels) {
+
+ if( wR > pRGB->Red ) {
+ tmp = wR;
+ wR = pRGB->Red;
+ pRGB->Red = tmp;
+ }
+ if( wG > pRGB->Green ) {
+ tmp = wG;
+ wG = pRGB->Green;
+ pRGB->Green = tmp;
+ }
+ if( wB > pRGB->Blue ) {
+ tmp = wB;
+ wB = pRGB->Blue;
+ pRGB->Blue = tmp;
+ }
+ }
+
+ wR = *cp.red.usp++;
+ wG = *cp.green.usp++;
+ wB = *cp.blue.usp++;
+ for(b = ps->Shade.skipShadow; b--;
+ pRGB += ps->AsicReg.RD_Pixels) {
+
+ if (wR < pRGB->Red) {
+ tmp = wR;
+ wR = pRGB->Red;
+ pRGB->Red = tmp;
+ }
+ if (wG < pRGB->Green) {
+ tmp = wG;
+ wG = pRGB->Green;
+ pRGB->Green = tmp;
+ }
+ if (wB < pRGB->Blue) {
+ tmp = wB;
+ wB = pRGB->Blue;
+ pRGB->Blue = tmp;
+ }
+ }
+ }
+
+ } else {
+
+ cp.green.usp = ps->Bufs.b1.pShadingRam +
+ ps->AsicReg.RD_Pixels + _SHADING_BEGINX;
+ cp.blue.usp = (pUShort) ps->Shade.pHilight + _SHADING_BEGINX;
+
+ for (var.dwValue = ps->AsicReg.RD_Pixels - _SHADING_BEGINX;
+ var.dwValue--;) {
+ cp.red.usp = cp.blue.usp++;
+ wG = *cp.green.usp;
+ for( b = ps->Shade.skipHilight; b--;
+ cp.red.usp += ps->AsicReg.RD_Pixels) {
+ if( wG > *cp.red.usp ) {
+ tmp = wG;
+ wG = *cp.red.usp;
+ *cp.red.usp = tmp;
+ }
+ }
+ wG = *cp.green.usp++;
+ for (b = ps->Shade.skipShadow; b--;
+ cp.red.usp += ps->AsicReg.RD_Pixels) {
+ if( wG < *cp.red.usp ) {
+ tmp = wG;
+ wG = *cp.red.usp;
+ *cp.red.usp = tmp;
+ }
+ }
+ }
+ }
+ }
+
+ /* AddToSumBuffer() */
+ if ( ps->DataInf.wPhyDataType > COLOR_256GRAY ) {
+
+ cp.red.usp = ps->Bufs.b1.pShadingRam + _SHADING_BEGINX;
+ cp.green.usp = cp.red.usp + ps->AsicReg.RD_Pixels;
+ cp.blue.usp = cp.green.usp + ps->AsicReg.RD_Pixels;
+
+ pvar.pulrgb = (pRGBULongDef)ps->Bufs.b2.pSumBuf + _SHADING_BEGINX;
+
+ for( var.dwValue = (ULong)ps->AsicReg.RD_Pixels - _SHADING_BEGINX;
+ var.dwValue--;
+ pvar.pulrgb++, cp.red.usp++, cp.green.usp++, cp.blue.usp++) {
+ pvar.pulrgb->Red += (ULong)*cp.red.usp;
+ pvar.pulrgb->Green += (ULong)*cp.green.usp;
+ pvar.pulrgb->Blue += (ULong)*cp.blue.usp;
+ }
+
+ } else {
+
+ cp.green.usp = ps->Bufs.b1.pShadingRam + ps->AsicReg.RD_Pixels +
+ _SHADING_BEGINX;
+ pvar.pdw = (pULong)ps->Bufs.b2.pSumBuf + _SHADING_BEGINX;
+ for(var.dwValue = (ULong)ps->AsicReg.RD_Pixels - _SHADING_BEGINX;
+ var.dwValue--; pvar.pdw++, cp.green.usp++) {
+ *pvar.pdw += (ULong)*cp.green.usp;
+ }
+ }
+
+ if( IOReadFifoLength( ps ) < ps->AsicReg.RD_Pixels )
+ IORegisterToScanner( ps, ps->RegRefreshScanState );
+ }
+
+ /* AverageAfterSubHilightShadow() */
+ if( ps->Shade.pHilight ) {
+
+ if ( ps->DataInf.wPhyDataType > COLOR_256GRAY ) {
+
+ psum.pulrgb = (pRGBULongDef)ps->Bufs.b2.pSumBuf + _SHADING_BEGINX;
+ pwsum = (pRGBUShortDef)ps->Bufs.b2.pSumBuf + _SHADING_BEGINX;
+ pvar.pusrgb = (pRGBUShortDef)ps->Shade.pHilight + _SHADING_BEGINX;
+
+ for( var.dwValue = ps->AsicReg.RD_Pixels - _SHADING_BEGINX;
+ var.dwValue--;) {
+ pRGB = pvar.pusrgb++;
+
+ for( b = ps->Shade.skipHilight + ps->Shade.skipShadow;
+ b--; pRGB += ps->AsicReg.RD_Pixels ) {
+
+ psum.pulrgb->Red -= (ULong)pRGB->Red;
+ psum.pulrgb->Green -= (ULong)pRGB->Green;
+ psum.pulrgb->Blue -= (ULong)pRGB->Blue;
+ }
+
+ pwsum->Red = (UShort)(psum.pulrgb->Red / ps->Shade.dwDiv);
+ pwsum->Green = (UShort)(psum.pulrgb->Green / ps->Shade.dwDiv);
+ pwsum->Blue = (UShort)(psum.pulrgb->Blue / ps->Shade.dwDiv);
+ psum.pulrgb++;
+ pwsum++;
+ }
+ } else {
+ cp.green.ulp = (pULong)ps->Bufs.b2.pSumBuf + _SHADING_BEGINX;
+ cp.blue.usp = (pUShort)ps->Bufs.b2.pSumBuf + _SHADING_BEGINX;
+ pvar.pw = (pUShort)ps->Shade.pHilight + _SHADING_BEGINX;
+
+ for( var.dwValue = ps->AsicReg.RD_Pixels - _SHADING_BEGINX;
+ var.dwValue--;) {
+ cp.red.usp = pvar.pw++;
+
+ for( b = ps->Shade.skipHilight + ps->Shade.skipShadow;
+ b--; cp.red.usp += ps->AsicReg.RD_Pixels )
+ *cp.green.ulp -= *cp.red.usp;
+
+ *cp.blue.usp = (UShort)(*cp.green.ulp / ps->Shade.dwDiv);
+ cp.blue.usp++;
+ cp.green.ulp++;
+ }
+ }
+ } else {
+ if ( ps->DataInf.wPhyDataType > COLOR_256GRAY ) {
+
+ psum.pulrgb = (pRGBULongDef)ps->Bufs.b2.pSumBuf + _SHADING_BEGINX;
+ pwsum = (pRGBUShortDef)ps->Bufs.b2.pSumBuf + _SHADING_BEGINX;
+
+ for (var.dwValue = ps->AsicReg.RD_Pixels - _SHADING_BEGINX;
+ var.dwValue--;) {
+ pwsum->Red = (UShort)(psum.pulrgb->Red >> 5);
+ pwsum->Green = (UShort)(psum.pulrgb->Green >> 5);
+ pwsum->Blue = (UShort)(psum.pulrgb->Blue >> 5);
+ psum.pulrgb++;
+ pwsum++;
+ }
+ } else {
+ cp.green.ulp = (pULong)ps->Bufs.b2.pSumBuf + _SHADING_BEGINX;
+ cp.blue.usp = (pUShort)ps->Bufs.b2.pSumBuf + _SHADING_BEGINX;
+
+ for (var.dwValue = ps->AsicReg.RD_Pixels - _SHADING_BEGINX;
+ var.dwValue--;) {
+ *cp.blue.usp = (UShort)(*cp.green.ulp >> 5);
+ cp.blue.usp++;
+ cp.green.ulp++;
+ }
+ }
+ }
+
+ /* Process negative & transparency here */
+ if( ps->DataInf.dwScanFlag & SCANDEF_TPA )
+ TPAP98003FindCenterPointer( ps );
+
+ if( ps->DataInf.dwScanFlag & SCANDEF_Negative )
+ TPAP98003Reshading( ps );
+
+ pRGB = (pRGBUShortDef)&ps->Shade.pCcdDac->GainResize;
+
+ if ( ps->DataInf.wPhyDataType > COLOR_256GRAY ) {
+
+ pwsum = (pRGBUShortDef)ps->Bufs.b2.pSumBuf + _SHADING_BEGINX;
+
+ for( var.dwValue = ps->AsicReg.RD_Pixels - _SHADING_BEGINX;
+ var.dwValue--;) {
+
+ if ((short)(pwsum->Red -= ps->Shade.DarkOffset.Colors.Red) > 0) {
+ pwsum->Red = pwsum->Red * pRGB->Red / 100U;
+ if( pwsum->Red > 0xfff )
+ pwsum->Red = 0xfff;
+ } else
+ pwsum->Red = 0;
+
+ if((short)(pwsum->Green -= ps->Shade.DarkOffset.Colors.Green) > 0) {
+ pwsum->Green = pwsum->Green * pRGB->Green / 100U;
+ if( pwsum->Green > 0xfff )
+ pwsum->Green = 0xfff;
+ } else
+ pwsum->Green = 0;
+
+ if ((short)(pwsum->Blue -= ps->Shade.DarkOffset.Colors.Blue) > 0) {
+ pwsum->Blue = pwsum->Blue * pRGB->Blue / 100U;
+ if( pwsum->Blue > 0xfff )
+ pwsum->Blue = 0xfff;
+ } else
+ pwsum->Blue = 0;
+
+ wR = (UShort)(pwsum->Red >> 4);
+ pwsum->Red <<= 12;
+ pwsum->Red |= wR;
+ wR = (UShort)(pwsum->Green >> 4);
+ pwsum->Green <<= 12;
+ pwsum->Green |= wR;
+ wR = (UShort)(pwsum->Blue>> 4);
+ pwsum->Blue <<= 12;
+ pwsum->Blue |= wR;
+ pwsum++;
+ }
+ } else {
+
+ cp.green.usp = (pUShort)ps->Bufs.b2.pSumBuf + _SHADING_BEGINX;
+
+ for( var.dwValue = ps->AsicReg.RD_Pixels - _SHADING_BEGINX;
+ var.dwValue--;) {
+
+ if((short)(*cp.green.usp -= ps->Shade.DarkOffset.Colors.Green) > 0) {
+
+ *cp.green.usp = *cp.green.usp * pRGB->Green / 100U;
+ if( *cp.green.usp > 0xfff )
+ *cp.green.usp = 0xfff;
+ } else
+ *cp.green.usp = 0;
+
+ wR = (UShort)(*cp.green.usp >> 4);
+ *cp.green.usp <<= 12;
+ *cp.green.usp |= wR;
+
+ cp.green.usp++;
+ }
+ }
+
+ /* DownloadShadingAndSetDark() */
+ dacP98DownloadShadingTable( ps, ps->Bufs.b2.pSumBuf, (5400 * 3 * 2));
+}
+
+/**
+ */
+static void dacP98003AdjustDark( pScanData ps )
+{
+ ULong i;
+ UShort wDarks[3];
+
+ DBG( DBG_LOW, "dacP98003AdjustDark()\n" );
+
+ ps->Shade.DarkDAC.Colors = ps->Shade.pCcdDac->DarkDAC.Colors;
+ ps->Shade.fStop = _FALSE;
+
+ for( i = 16; i-- && !ps->Shade.fStop;) {
+
+ ps->Shade.fStop = _TRUE;
+
+ /* FillDarkToDAC() */
+ DacP98003FillToDAC( ps, &ps->Device.RegDACOffset, &ps->Shade.DarkDAC );
+
+ IODataToRegister( ps, ps->RegModeControl, _ModeIdle );
+
+ ps->AsicReg.RD_ScanControl = (_SCAN_12BITMODE + _SCAN_1ST_AVERAGE);
+ IOSelectLampSource( ps );
+ IODataToRegister( ps, ps->RegScanControl, ps->AsicReg.RD_ScanControl );
+
+ ps->AsicReg.RD_StepControl = _MOTOR0_SCANSTATE;
+ ps->AsicReg.RD_Motor0Control = _FORWARD_MOTOR;
+
+ ps->AsicReg.RD_Origin = _SHADING_BEGINX;
+ ps->AsicReg.RD_Pixels = 512;
+
+ if( ps->Shade.bIntermediate & _ScanMode_AverageOut )
+ ps->AsicReg.RD_Dpi = 300;
+ else
+ ps->AsicReg.RD_Dpi = 600;
+
+
+ /* PauseColorMotorRunStates () */
+ memset( ps->a_nbNewAdrPointer, 0, _SCANSTATE_BYTES );
+ ps->a_nbNewAdrPointer[1] = 0x77;
+
+ IOPutOnAllRegisters( ps );
+ _DODELAY( 70 );
+
+ /* read one shading line and work on it */
+ if( IOReadOneShadingLine(ps, (pUChar)ps->Bufs.b1.pShadingRam, 512*2)) {
+
+ if ( ps->DataInf.wPhyDataType > COLOR_256GRAY ) {
+
+ wDarks[0] = dacP98003SumDarks( ps, ps->Bufs.b1.pShadingRam );
+ wDarks[1] = dacP98003SumDarks( ps, ps->Bufs.b1.pShadingRam +
+ ps->AsicReg.RD_Pixels );
+ wDarks[2] = dacP98003SumDarks( ps, ps->Bufs.b1.pShadingRam +
+ ps->AsicReg.RD_Pixels * 2UL);
+
+ if( !wDarks[0] || !wDarks[1] || !wDarks[2] ) {
+ ps->Shade.fStop = _FALSE;
+ } else {
+ ps->Shade.DarkOffset.wColors[0] = wDarks[0];
+ ps->Shade.DarkOffset.wColors[1] = wDarks[1];
+ ps->Shade.DarkOffset.wColors[2] = wDarks[2];
+ (*(ps->Device).fnDACDark)( ps, ps->Shade.pCcdDac,
+ _CHANNEL_RED, wDarks[0] );
+ (*(ps->Device).fnDACDark)( ps, ps->Shade.pCcdDac,
+ _CHANNEL_GREEN, wDarks[1] );
+ (*(ps->Device).fnDACDark)( ps, ps->Shade.pCcdDac,
+ _CHANNEL_BLUE, wDarks[2] );
+ }
+ } else {
+ wDarks[1] = dacP98003SumDarks( ps, ps->Bufs.b1.pShadingRam +
+ ps->AsicReg.RD_Pixels );
+ if (!wDarks[1] )
+ ps->Shade.fStop = _FALSE;
+ else {
+ ps->Shade.DarkOffset.wColors[1] = wDarks[1];
+ (*(ps->Device).fnDACDark)( ps, ps->Shade.pCcdDac,
+ _CHANNEL_GREEN, wDarks[1] );
+ }
+ }
+ } else
+ ps->Shade.fStop = _FALSE;
+ }
+
+ /* CalculateDarkDependOnCCD() */
+ if ( ps->DataInf.wPhyDataType > COLOR_256GRAY ) {
+ (*(ps->Device).fnDarkOffset)( ps, ps->Shade.pCcdDac, _CHANNEL_RED );
+ (*(ps->Device).fnDarkOffset)( ps, ps->Shade.pCcdDac, _CHANNEL_GREEN );
+ (*(ps->Device).fnDarkOffset)( ps, ps->Shade.pCcdDac, _CHANNEL_BLUE );
+ } else
+ (*(ps->Device).fnDarkOffset)( ps, ps->Shade.pCcdDac, _CHANNEL_GREEN );
+}
+
+/**
+ */
+static Bool dacP98003WaitForShading( pScanData ps )
+{
+ ULong i, tmp;
+ Byte bScanControl;
+
+ DBG( DBG_LOW, "dacP98003WaitForShading()\n" );
+
+ /*
+ * before getting the shading data, (re)init the ASIC
+ */
+ ps->ReInitAsic( ps, _TRUE );
+
+ ps->Shade.DarkOffset.Colors.Red = 0;
+ ps->Shade.DarkOffset.Colors.Green = 0;
+ ps->Shade.DarkOffset.Colors.Blue = 0;
+
+ IORegisterToScanner( ps, ps->RegResetMTSC );
+
+ IODataToRegister( ps, ps->RegModelControl, ps->AsicReg.RD_ModelControl);
+ IODataToRegister( ps, ps->RegMotorDriverType,
+ ps->AsicReg.RD_MotorDriverType );
+ IODataToRegister( ps, ps->RegScanControl1,
+ (_SCANSTOPONBUFFULL| _MFRC_BY_XSTEP));
+ ps->GotoShadingPosition( ps );
+
+ bScanControl = ps->AsicReg.RD_ScanControl;
+
+ /* SetShadingMapForGainDark */
+ memset( ps->Bufs.b2.pSumBuf, 0xff, (5400 * 3 * 2));
+
+ /* DownloadShadingAndSetDark() */
+ dacP98DownloadShadingTable( ps, ps->Bufs.b2.pSumBuf, (5400 * 3 * 2));
+
+ for( i = 0, tmp = 0; i < 1024; tmp += 0x01010101, i += 4 ) {
+ ps->Bufs.b1.Buf.pdw[i] =
+ ps->Bufs.b1.Buf.pdw[i+1] =
+ ps->Bufs.b1.Buf.pdw[i+2] =
+ ps->Bufs.b1.Buf.pdw[i+3] = tmp;
+ }
+
+ memcpy( ps->Bufs.b1.pShadingMap + 4096, ps->Bufs.b1.pShadingMap, 4096 );
+ memcpy( ps->Bufs.b1.pShadingMap + 8192, ps->Bufs.b1.pShadingMap, 4096 );
+ dacP98DownloadMapTable( ps, ps->Bufs.b1.pShadingMap );
+
+ DBG( DBG_LOW, "wExposure = %u\n", ps->Shade.wExposure);
+ DBG( DBG_LOW, "wXStep = %u\n", ps->Shade.wXStep);
+
+ ps->AsicReg.RD_LineControl = (_LOBYTE(ps->Shade.wExposure));
+ ps->AsicReg.RD_ExtLineControl = (_HIBYTE(ps->Shade.wExposure));
+ IODataToRegister(ps, ps->RegExtendedLineControl,
+ ps->AsicReg.RD_ExtLineControl );
+ IODataToRegister(ps, ps->RegLineControl, ps->AsicReg.RD_LineControl );
+
+ dacP98003AdjustRGBGain( ps );
+ dacP98003AdjustDark( ps );
+ dacP98003AdjustShadingWaveform( ps );
+
+ ps->AsicReg.RD_ScanControl = bScanControl;
+
+ /* here we have to download the table in any case...*/
+ dacP98DownloadMapTable( ps, ps->a_bMapTable );
+
+ MotorP98003BackToHomeSensor( ps );
+
+ return _TRUE;
+}
+
+/************************ exported functions *********************************/
+
+/**
+ */
+_LOC int DacInitialize( pScanData ps )
+{
+ DBG( DBG_HIGH, "DacInitialize()\n" );
+
+ if( NULL == ps )
+ return _E_NULLPTR;
+
+ /*
+ * depending on the asic, we set some functions
+ */
+ if( _ASIC_IS_98003 == ps->sCaps.AsicID ) {
+
+ ps->WaitForShading = dacP98003WaitForShading;
+
+ } else if( _ASIC_IS_98001 == ps->sCaps.AsicID ) {
+
+ ps->WaitForShading = dacP98WaitForShading;
+
+ } else if( _ASIC_IS_96003 == ps->sCaps.AsicID ) {
+
+ ps->WaitForShading = dacP96003WaitForShading;
+
+ } else if( _ASIC_IS_96001 == ps->sCaps.AsicID ) {
+
+ ps->WaitForShading = dacP96001WaitForShading;
+
+ } else {
+
+ DBG( DBG_HIGH , "NOT SUPPORTED ASIC !!!\n" );
+ return _E_NOSUPP;
+ }
+ return _OK;
+}
+
+/** Fill out the R/G/B GainOut value
+ */
+_LOC void DacP98FillGainOutDirectPort( pScanData ps )
+{
+ ps->OpenScanPath( ps );
+
+ IODataRegisterToDAC( ps, 0x28, ps->bRedGainIndex );
+ IODataRegisterToDAC( ps, 0x29, ps->bGreenGainIndex );
+ IODataRegisterToDAC( ps, 0x2a, ps->bBlueGainIndex );
+
+ ps->CloseScanPath( ps );
+}
+
+/**
+ */
+_LOC void DacP98FillShadingDarkToShadingRegister( pScanData ps )
+{
+ pUChar pValue;
+ Byte bReg;
+
+ DBG( DBG_LOW, "DacP98FillShadingDarkToShadingRegister()\n" );
+
+ ps->AsicReg.RD_RedDarkOff = ps->Shade.DarkOffset.Colors.Red;
+ ps->AsicReg.RD_GreenDarkOff = ps->Shade.DarkOffset.Colors.Green;
+ ps->AsicReg.RD_BlueDarkOff = ps->Shade.DarkOffset.Colors.Blue;
+
+ pValue = (pUChar)&ps->AsicReg.RD_RedDarkOff;
+ for (bReg = ps->RegRedChDarkOffsetLow; bReg <= ps->RegBlueChDarkOffsetHigh;
+ bReg++, pValue++) {
+
+ IODataToRegister( ps, bReg, *pValue );
+ }
+}
+
+/**
+ */
+_LOC void DacP98AdjustDark( pScanData ps )
+{
+ Byte bCorrectTimes; /* used to be a global var !*/
+
+ DBG( DBG_LOW, "DacP98AdjustDark()\n" );
+
+ ps->Shade.pCcdDac->DarkDAC.Colors.Red = ps->bsPreRedDAC;
+ ps->Shade.pCcdDac->DarkDAC.Colors.Green = ps->bsPreGreenDAC;
+ ps->Shade.pCcdDac->DarkDAC.Colors.Blue = ps->bsPreBlueDAC;
+
+ if( ps->DataInf.dwScanFlag & SCANDEF_Negative ) {
+ bCorrectTimes = 6;
+ } else {
+ bCorrectTimes = 5;
+ }
+
+/* CHANGE
+** original code seems to be buggy : for (bCorrectTimes ; bCorrectTimes--;) {
+*/
+ for (;bCorrectTimes ; bCorrectTimes-- ) {
+
+ ps->OpenScanPath( ps );
+ dacP98FillDarkDAC( ps );
+ dacP98SetReadFBKRegister( ps );
+ ps->CloseScanPath( ps );
+
+ IOPutOnAllRegisters( ps );
+
+ ps->PauseColorMotorRunStates( ps ); /* stop scan states */
+
+ IOReadOneShadingLine( ps, ps->pScanBuffer1, 512*2 );
+
+ dacP98FillChannelDarkLevelControl( ps );
+
+ if(dacP98CheckChannelDarkLevel( ps ))
+ break;
+ }
+
+ ps->Shade.DarkOffset.Colors.Red=
+ dacP98CalDarkOff( ps, ps->Shade.DarkOffset.Colors.Red,
+ ps->Shade.pCcdDac->DarkCmpHi.Colors.Red,
+ ps->Shade.pCcdDac->DarkOffSub.Colors.Red );
+
+ ps->Shade.DarkOffset.Colors.Green =
+ dacP98CalDarkOff( ps, ps->Shade.DarkOffset.Colors.Green,
+ ps->Shade.pCcdDac->DarkCmpHi.Colors.Green,
+ ps->Shade.pCcdDac->DarkOffSub.Colors.Green );
+
+ ps->Shade.DarkOffset.Colors.Blue =
+ dacP98CalDarkOff( ps, ps->Shade.DarkOffset.Colors.Blue,
+ ps->Shade.pCcdDac->DarkCmpHi.Colors.Blue,
+ ps->Shade.pCcdDac->DarkOffSub.Colors.Blue );
+}
+
+/**
+ */
+_LOC void DacP96WriteBackToGammaShadingRAM( pScanData ps )
+{
+ /* ModifyGammaShadingOffset(ps) */
+ ps->OpenScanPath( ps);
+
+ IODataToRegister( ps, ps->RegRedChShadingOffset,
+ ps->Asic96Reg.u28.RD_RedChShadingOff );
+ IODataToRegister( ps, ps->RegGreenChShadingOffset,
+ (Byte)((ULong)ps->Asic96Reg.u29.RD_GreenChShadingOff * 96UL/100UL));
+
+ IODataToRegister( ps, ps->RegBlueChShadingOffset,
+ (Byte)((ULong)ps->Asic96Reg.RD_BlueChShadingOff * 91UL/100UL));
+
+ ps->CloseScanPath( ps );
+
+ dacP96WriteLinearGamma( ps, ps->pPrescan16, 256, ps->ShadingBankRed);
+ dacP96WriteLinearGamma( ps, ps->pPrescan16 + ps->ShadingBankSize,
+ 256, ps->ShadingBankGreen);
+ dacP96WriteLinearGamma( ps, ps->pPrescan16 + ps->ShadingBankSize * 2,
+ 256, ps->ShadingBankBlue);
+}
+
+/**
+ */
+_LOC void DacP98003FillToDAC( pScanData ps, pRGBByteDef regs, pColorByte data )
+{
+ if ( ps->DataInf.wPhyDataType > COLOR_256GRAY ) {
+
+ dacP98003GainOffsetToDAC( ps, _DAC_RED, regs->Red, data->Colors.Red );
+ dacP98003GainOffsetToDAC( ps, _DAC_GREENCOLOR,
+ regs->Green, data->Colors.Green );
+ dacP98003GainOffsetToDAC( ps, _DAC_BLUE,
+ regs->Blue, data->Colors.Blue );
+ } else {
+ dacP98003GainOffsetToDAC( ps, _DAC_GREENMONO, regs->Green,
+ data->Colors.Green );
+ }
+}
+
+/**
+ */
+_LOC void DacP98003AdjustGain( pScanData ps, ULong color, Byte hilight )
+{
+ if( hilight < ps->Shade.bGainLow ) {
+
+ if( ps->Shade.Hilight.bColors[color] < ps->Shade.bGainHigh ) {
+
+ ps->Shade.fStop = _FALSE;
+ ps->Shade.Hilight.bColors[color] = hilight;
+
+ if( hilight <= (Byte)(ps->Shade.bGainLow - hilight))
+ ps->Shade.Gain.bColors[color] += ps->Shade.bGainDouble;
+ else
+ ps->Shade.Gain.bColors[color]++;
+ }
+ } else {
+ if( hilight > ps->Shade.bGainHigh ) {
+ ps->Shade.fStop = _FALSE;
+ ps->Shade.Hilight.bColors[color] = hilight;
+ ps->Shade.Gain.bColors[color]--;
+ } else
+ ps->Shade.Hilight.bColors[color] = hilight;
+ }
+
+ if( ps->Shade.Gain.bColors[color] > ps->Shade.bMaxGain ) {
+ ps->Shade.Gain.bColors[color] = ps->Shade.bMaxGain;
+ }
+}
+
+/**
+ */
+_LOC Byte DacP98003SumGains( pUChar pb, ULong pixelsLine )
+{
+ Byte bHilight, tmp;
+ ULong dwPixels, dwAve;
+ UShort sum;
+
+ for( bHilight = 0, dwPixels = pixelsLine >> 4; dwPixels--; ) {
+
+ for( sum = 0, dwAve = 16; dwAve--; pb++)
+ sum += (UShort)*pb;
+
+ sum >>= 4;
+ tmp = (Byte)sum;
+
+ if( tmp > bHilight )
+ bHilight = tmp;
+ }
+ return bHilight;
+}
+
+/* END PLUSTEK-PP_DAC.C .....................................................*/