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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/u12-hw.c
Initial import of sane-backends version 1.0.24-1.2
Diffstat (limited to 'backend/u12-hw.c')
-rw-r--r--backend/u12-hw.c978
1 files changed, 978 insertions, 0 deletions
diff --git a/backend/u12-hw.c b/backend/u12-hw.c
new file mode 100644
index 0000000..89f37be
--- /dev/null
+++ b/backend/u12-hw.c
@@ -0,0 +1,978 @@
+/** @file u12-hw.c
+ * @brief The HW-access functions to the U12 backend stuff.
+ *
+ * Copyright (c) 2003-2004 Gerhard Jaeger <gerhard@gjaeger.de>
+ *
+ * History:
+ * - 0.01 - initial version
+ * - 0.02 - cleanup
+ * - added lampTimer stuff
+ * - fixed issue for Genius device - reported by
+ * Jose Alberto Reguero <jareguero@telefonica.net>
+ * .
+ * <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>
+ */
+
+#define _TEST_SIZE 1000
+
+/*************************** some local vars *********************************/
+
+static RegDef u12CcdStop[] = {
+/* this was the original sequence from parport backend*/
+#if 0
+#define _STOP_LEN 13
+
+ {0x41, 0xff}, {0x42, 0xff}, {0x60, 0xff}, {0x61, 0xff},
+ {0x4b, 0xff}, {0x4c, 0xff}, {0x4d, 0xff}, {0x4e, 0xff},
+ {0x2a, 0x01}, {0x2b, 0x00}, {0x2d, 0x00}, {0x1b, 0x19}, {0x15, 0x00}
+#else
+#define _STOP_LEN 29
+/* this is what we see from usb-snoop... */
+ {0x60, 0xff}, {0x61, 0xff}, {0x1b, 0x19}, {0x15, 0x00}, {0x20, 0x14},
+ {0x2c, 0x02}, {0x39, 0x00}, {0x3a, 0x00}, {0x3b, 0x00}, {0x3c, 0x00},
+ {0x41, 0x00}, {0x42, 0x00}, {0x43, 0x00}, {0x44, 0x00}, {0x45, 0x01},
+ {0x46, 0x00}, {0x47, 0x00}, {0x48, 0x00}, {0x49, 0x00}, {0x4a, 0x09},
+ {0x4b, 0x00}, {0x4c, 0x00}, {0x4d, 0x00}, {0x4e, 0x01}, {0x50, 0x00},
+ {0x51, 0x00}, {0x52, 0x00}, {0x53, 0x01}, {0x67, 0x00}
+#endif
+};
+
+/**
+ */
+static void u12hw_SelectLampSource( U12_Device *dev )
+{
+ dev->regs.RD_ScanControl &= (~_SCAN_LAMPS_ON);
+
+ if( dev->DataInf.dwScanFlag & (_SCANDEF_TPA)) {
+ dev->regs.RD_ScanControl |= _SCAN_TPALAMP_ON;
+ } else {
+ dev->regs.RD_ScanControl |= _SCAN_NORMALLAMP_ON;
+ }
+}
+
+/** as the function name says
+ */
+static void u12hw_PutToIdleMode( U12_Device *dev )
+{
+ DBG( _DBG_INFO, "CCD-Stop\n" );
+ u12io_DataToRegs( dev, (SANE_Byte*)u12CcdStop, _STOP_LEN );
+}
+
+/** program the CCD relevant stuff
+ */
+static void u12hw_ProgramCCD( U12_Device *dev )
+{
+ SANE_Byte *reg_val;
+
+ DBG( _DBG_INFO, "u12hw_ProgramCCD: 0x%08lx[%lu]\n",
+ (u_long)dev->CCDRegs,
+ ((u_long)dev->numCCDRegs * dev->shade.intermediate));
+
+ DBG( _DBG_INFO, " * %u regs * %u (intermediate)\n",
+ dev->numCCDRegs, dev->shade.intermediate );
+
+ reg_val = (SANE_Byte*)(dev->CCDRegs +
+ (u_long)dev->numCCDRegs * dev->shade.intermediate);
+
+ u12io_DataToRegs( dev, reg_val, dev->numCCDRegs );
+}
+
+/** init the stuff according to the buttons
+ */
+static void u12hw_ButtonSetup( U12_Device *dev, SANE_Byte numButtons )
+{
+ dev->Buttons = numButtons;
+
+ dev->regs.RD_MotorDriverType |= _BUTTON_DISABLE;
+ dev->MotorPower |= _BUTTON_DISABLE;
+}
+
+/** According to what we have detected, set the other stuff
+ */
+static void u12hw_InitiateComponentModel( U12_Device *dev )
+{
+ /* preset some stuff and do the differences later */
+ dev->Buttons = 0;
+ dev->ModelOriginY = 64;
+ dev->Tpa = SANE_FALSE;
+ dev->ModelCtrl = (_LED_ACTIVITY | _LED_CONTROL);
+
+ switch( dev->PCBID ) {
+
+ /* typical for Plustek OpticPro U12 and 1212U */
+ case _PLUSTEK_SCANNER:
+ DBG( _DBG_INFO, "We have a Plustek Scanner ;-)\n" );
+ break;
+
+ case _SCANNER_WITH_TPA:
+ DBG( _DBG_INFO, "Scanner has TPA\n" );
+ dev->Tpa = SANE_TRUE;
+ break;
+
+ case _SCANNER4Button:
+ DBG( _DBG_INFO, "Scanner has 4 Buttons\n" );
+ u12hw_ButtonSetup( dev, 4 );
+ break;
+
+ /* typical for Plustek OpticPro UT12 */
+ case _SCANNER4ButtonTPA:
+ DBG( _DBG_INFO, "Scanner has 4 Buttons & TPA\n" );
+ dev->Tpa = SANE_TRUE;
+ u12hw_ButtonSetup( dev, 4 );
+ break;
+
+ case _SCANNER5Button:
+ DBG( _DBG_INFO, "Scanner has 5 Buttons\n" );
+ dev->ModelOriginY += 20;
+ u12hw_ButtonSetup( dev, 5 );
+ break;
+
+ /* typical for Genius Colorpage HR6 */
+ case _SCANNER5ButtonTPA:
+ DBG( _DBG_INFO, "Scanner has 5 Buttons & TPA\n" );
+ dev->ModelOriginY += 20;
+ dev->Tpa = SANE_TRUE;
+ u12hw_ButtonSetup( dev, 5 );
+ break;
+
+ case _SCANNER1Button:
+ DBG( _DBG_INFO, "Scanner has 1 Button\n" );
+ u12hw_ButtonSetup( dev, 1 );
+ break;
+
+ case _SCANNER1ButtonTPA:
+ DBG( _DBG_INFO, "Scanner has 1 Button & TPA\n" );
+ dev->Tpa = SANE_TRUE;
+ u12hw_ButtonSetup( dev, 1 );
+ break;
+
+ case _AGFA_SCANNER:
+ DBG( _DBG_INFO, "Agfa Scanner\n" );
+ dev->ModelOriginY = 24; /* 1200 dpi */
+ break;
+
+ case _SCANNER2Button:
+ DBG( _DBG_INFO, "Scanner has 2 Buttons\n" );
+ dev->ModelOriginY -= 33;
+ u12hw_ButtonSetup( dev, 2 );
+ break;
+
+ default:
+ DBG( _DBG_INFO, "Default Model: U12\n" );
+ break;
+ }
+
+#if 0
+ if( _MOTOR0_2003 == dev->MotorID ) {
+ dev->f2003 = SANE_TRUE;
+ dev->XStepMono = 10;
+ dev->XStepColor = 6;
+ dev->XStepBack = 5;
+ dev->regs.RD_MotorDriverType |= _MOTORR_STRONG;
+ } else {
+#endif
+ dev->f2003 = SANE_FALSE;
+ dev->XStepMono = 8;
+ dev->XStepColor = 4;
+ dev->XStepBack = 5;
+ dev->regs.RD_MotorDriverType |= _MOTORR_WEAK;
+/* } */
+}
+
+/**
+ */
+static SANE_Status u12hw_InitAsic( U12_Device *dev, SANE_Bool shading )
+{
+ SANE_Byte rb[6];
+ int c;
+
+ DBG( _DBG_INFO, "u12hw_InitAsic(%d)\n", shading );
+
+ /* get DAC and motor stuff */
+ dev->DACType = u12io_DataFromRegister( dev, REG_RESETCONFIG );
+ dev->MotorID = (SANE_Byte)(dev->DACType & _MOTOR0_MASK);
+
+ dev->regs.RD_MotorDriverType =
+ (SANE_Byte)((dev->DACType & _MOTOR0_MASK) >> 3);
+ dev->regs.RD_MotorDriverType |=
+ (SANE_Byte)((dev->DACType & _MOTOR1_MASK) >> 1);
+ dev->DACType &= _ADC_MASK;
+
+ dev->MotorPower = dev->regs.RD_MotorDriverType | _MOTORR_STRONG;
+
+ /*get CCD and PCB ID */
+ dev->PCBID = u12io_DataFromRegister( dev, REG_CONFIG );
+ dev->CCDID = dev->PCBID & 0x07;
+ dev->PCBID &= 0xf0;
+
+ if( _AGFA_SCANNER == dev->PCBID )
+ dev->DACType = _DA_WOLFSON8141;
+
+ DBG( _DBG_INFO, "* PCB-ID=0x%02x, CCD-ID=0x%02x, DAC-TYPE=0x%02x\n",
+ dev->PCBID, dev->CCDID, dev->DACType );
+
+ u12hw_InitiateComponentModel( dev );
+ u12ccd_InitCCDandDAC( dev, shading );
+
+ dev->regs.RD_Model1Control = _CCD_SHIFT_GATE;
+ if( dev->Buttons != 0 )
+ dev->regs.RD_Model1Control += _BUTTON_MODE;
+
+ if( dev->shade.intermediate & _ScanMode_Mono )
+ dev->regs.RD_Model1Control += _SCAN_GRAYTYPE;
+
+ DBG( _DBG_INFO, "* MotorDrvType = 0x%02x\n", dev->regs.RD_MotorDriverType);
+ DBG( _DBG_INFO, "* Model1Cntrl = 0x%02x\n", dev->regs.RD_Model1Control );
+
+#if 0
+ u12io_DataToRegister( dev, REG_MOTORDRVTYPE, dev->regs.RD_MotorDriverType);
+ u12io_DataToRegister( dev, REG_WAITSTATEINSERT, 4 );
+ u12io_DataToRegister( dev, REG_MODEL1CONTROL, dev->regs.RD_Model1Control );
+#else
+ c = 0;
+ _SET_REG( rb, c, REG_MOTORDRVTYPE, dev->regs.RD_MotorDriverType);
+ _SET_REG( rb, c, REG_WAITSTATEINSERT, 4 );
+ _SET_REG( rb, c, REG_MODEL1CONTROL, dev->regs.RD_Model1Control );
+ u12io_DataToRegs( dev, rb, c );
+#endif
+
+ u12hw_ProgramCCD( dev );
+ DBG( _DBG_INFO, "u12hw_InitAsic done.\n" );
+ return SANE_STATUS_GOOD;
+}
+
+/**
+ */
+static void u12hw_ControlLampOnOff( U12_Device *dev )
+{
+ SANE_Byte lampStatus;
+
+ dev->warmupNeeded = SANE_TRUE;
+
+ lampStatus = dev->regs.RD_ScanControl & _SCAN_LAMPS_ON;
+
+ if ( dev->lastLampStatus != lampStatus ) {
+
+ DBG( _DBG_INFO, "* Using OTHER Lamp --> warmup needed\n" );
+ dev->lastLampStatus = lampStatus;
+
+ u12io_DataToRegister( dev, REG_SCANCONTROL, dev->regs.RD_ScanControl );
+ return;
+ }
+
+ dev->warmupNeeded = SANE_FALSE;
+ DBG( _DBG_INFO, "* Using SAME Lamp --> no warmup needed\n" );
+}
+
+/** set all necessary register contents
+ */
+static void u12hw_SetGeneralRegister( U12_Device *dev )
+{
+ DBG( _DBG_INFO, "u12hw_SetGeneralRegister()\n" );
+
+ dev->scan.motorBackward = SANE_FALSE;
+ dev->scan.refreshState = SANE_FALSE;
+
+ if( COLOR_BW == dev->DataInf.wPhyDataType )
+ dev->regs.RD_ScanControl = _SCAN_BITMODE;
+ else {
+ if( dev->DataInf.wPhyDataType <= COLOR_TRUE24 )
+ dev->regs.RD_ScanControl = _SCAN_BYTEMODE;
+ else
+ dev->regs.RD_ScanControl = _SCAN_12BITMODE;
+ }
+
+ u12hw_SelectLampSource( dev );
+
+ dev->regs.RD_ModelControl = (_LED_CONTROL | _LED_ACTIVITY);
+ if( dev->shade.intermediate & _ScanMode_AverageOut )
+ dev->regs.RD_ModelControl |= _MODEL_DPI300;
+ else
+ dev->regs.RD_ModelControl |= _MODEL_DPI600;
+
+ dev->regs.RD_Motor0Control = _MotorOn | _MotorHQuarterStep | _MotorPowerEnable;
+ dev->regs.RD_ScanControl1 = _SCANSTOPONBUFFULL | _MFRC_BY_XSTEP;
+ dev->regs.RD_StepControl = _MOTOR0_SCANSTATE;
+}
+
+/**
+ */
+static void u12hw_SetupPreviewCondition( U12_Device *dev )
+{
+ int i, c;
+ u_long channel;
+ SANE_Byte rb[100];
+
+ DBG( _DBG_INFO, "u12_SetupPreviewCondition()\n" );
+
+ u12hw_SetGeneralRegister( dev );
+
+ u12io_RegisterToScanner( dev, REG_RESETMTSC );
+ _DODELAY(250);
+
+ /* ------- Set the max. read fifo to Asic ------- */
+ memset( dev->scanStates, 0, _SCANSTATE_BYTES );
+ if( dev->DataInf.xyAppDpi.x >= 38 ) { /* 38 <= x <= 75 */
+
+ for(i = 0; i < _SCANSTATE_BYTES; i++ )
+ dev->scanStates[i] = 0xad;
+
+ } else if( dev->DataInf.xyAppDpi.x >= 19 ) { /* 19 <= x <= 30(37) */
+
+ u_short *pState = (u_short*)dev->scanStates;
+
+ for( i = 0; i < (_SCANSTATE_BYTES / 2); i++ )
+ pState[i] = 0x89ac;
+
+ } else { /* 16 <= x <= 18 */
+
+ u_long *pState = (u_long*)dev->scanStates;
+
+ for(i = 0; i < (_SCANSTATE_BYTES / 4); i++)
+ pState[i] = 0x888889ac;
+ }
+
+ dev->regs.RD_BufFullSize = dev->DataInf.dwAppPixelsPerLine *
+ ((dev->DataInf.xyPhyDpi.y * dev->max_y + 299) / 300) + 1;
+ if( dev->regs.RD_BufFullSize > _SIZE_BLUEFIFO )
+ dev->regs.RD_BufFullSize = _SIZE_BLUEFIFO -
+ dev->DataInf.dwAppPixelsPerLine - 1;
+
+ dev->scan.dwMaxReadFifo =
+ dev->scan.dwMinReadFifo = dev->DataInf.dwAppPixelsPerLine *2 ;
+
+ if( dev->scan.dwMinReadFifo < 1024)
+ dev->scan.dwMinReadFifo = dev->scan.dwMaxReadFifo = 1024;
+
+ dev->scan.dwMaxReadFifo += (dev->DataInf.dwAsicBytesPerPlane / 2);
+
+ if( dev->DataInf.wPhyDataType > COLOR_256GRAY )
+ dev->scan.bFifoSelect = REG_BFIFOOFFSET;
+ else
+ dev->scan.bFifoSelect = REG_GFIFOOFFSET;
+
+ channel = _BLUE_FULLSIZE << 16;
+ dev->regs.RD_BufFullSize = _SIZE_BLUEFIFO;
+
+ dev->regs.RD_LineControl = _LOBYTE(dev->shade.wExposure);
+ dev->regs.RD_ExtLineControl = _HIBYTE(dev->shade.wExposure);
+ dev->regs.RD_XStepTime = _LOBYTE(dev->shade.wXStep);
+ dev->regs.RD_ExtXStepTime = _HIBYTE(dev->shade.wXStep);
+ dev->regs.RD_Motor0Control = _FORWARD_MOTOR;
+ dev->regs.RD_StepControl = _MOTOR0_SCANSTATE | _MOTOR_FREERUN;
+ dev->regs.RD_ModeControl = _ModeScan;
+
+ if( dev->DataInf.wPhyDataType == COLOR_BW ) {
+ dev->regs.RD_ScanControl = _SCAN_BITMODE;
+ } else if( dev->DataInf.wPhyDataType <= COLOR_TRUE24 )
+ dev->regs.RD_ScanControl = _SCAN_BYTEMODE;
+ else {
+ dev->regs.RD_ScanControl = _SCAN_12BITMODE;
+ }
+
+ dev->regs.RD_ScanControl |= _SCAN_1ST_AVERAGE;
+ u12hw_SelectLampSource( dev );
+
+ dev->regs.RD_MotorTotalSteps = (dev->DataInf.crImage.cy * 4) +
+ (dev->f0_8_16 ? 32 : 16) +
+ (dev->scan.bDiscardAll ? 32 : 0);
+ DBG( _DBG_INFO, "* RD_MotorTotalSteps = 0x%04x\n",
+ dev->regs.RD_MotorTotalSteps);
+
+ dev->regs.RD_ScanControl1 = (_MTSC_ENABLE | _SCANSTOPONBUFFULL |
+ _MFRC_RUNSCANSTATE | _MFRC_BY_XSTEP);
+ DBG( _DBG_INFO, "* RD_ScanControl1 = 0x%02x\n", dev->regs.RD_ScanControl1);
+
+ dev->regs.RD_Dpi = dev->DataInf.xyPhyDpi.x;
+
+ dev->regs.RD_Origin = (u_short)(dev->adj.leftNormal*2+_DATA_ORIGIN_X);
+ dev->regs.RD_Origin += dev->DataInf.crImage.x;
+
+ if( dev->shade.intermediate & _ScanMode_AverageOut )
+ dev->regs.RD_Origin >>= 1;
+
+ if( dev->DataInf.wPhyDataType == COLOR_BW )
+ dev->regs.RD_Pixels = dev->DataInf.dwAsicBytesPerPlane;
+ else
+ dev->regs.RD_Pixels = dev->DataInf.dwAppPixelsPerLine;
+
+ /* ------- Wait for scan state stop ------- */
+ u12io_DataToRegister( dev, REG_MODECONTROL, _ModeIdle );
+
+ u12io_DownloadScanStates( dev );
+
+ c = 0;
+ _SET_REG( rb, c, REG_LINECONTROL, dev->regs.RD_LineControl );
+ _SET_REG( rb, c, REG_EXTENDEDLINECONTROL,
+ dev->regs.RD_ExtLineControl);
+ _SET_REG( rb, c, REG_XSTEPTIME, dev->regs.RD_XStepTime );
+ _SET_REG( rb, c, REG_EXTENDEDXSTEP, dev->regs.RD_ExtXStepTime );
+ _SET_REG( rb, c, REG_MOTORDRVTYPE,
+ dev->regs.RD_MotorDriverType );
+ _SET_REG( rb, c, REG_STEPCONTROL, dev->regs.RD_StepControl );
+ _SET_REG( rb, c, REG_MOTOR0CONTROL, dev->regs.RD_Motor0Control );
+ _SET_REG( rb, c, REG_MODELCONTROL, dev->regs.RD_ModelControl );
+ _SET_REG( rb, c, REG_DPILO, (_LOBYTE(dev->regs.RD_Dpi)));
+ _SET_REG( rb, c, REG_DPIHI, (_HIBYTE(dev->regs.RD_Dpi)));
+ _SET_REG( rb, c, REG_SCANPOSLO, (_LOBYTE(dev->regs.RD_Origin)));
+ _SET_REG( rb, c, REG_SCANPOSHI,(_HIBYTE(dev->regs.RD_Origin)));
+ _SET_REG( rb, c, REG_WIDTHPIXELLO,(_LOBYTE(dev->regs.RD_Pixels)));
+ _SET_REG( rb, c, REG_WIDTHPIXELHI,(_HIBYTE(dev->regs.RD_Pixels)));
+ _SET_REG( rb, c, REG_THRESHOLDLO,
+ (_LOBYTE(dev->regs.RD_ThresholdControl)));
+ _SET_REG( rb, c, REG_THRESHOLDHI,
+ (_HIBYTE(dev->regs.RD_ThresholdControl)));
+ _SET_REG( rb, c, REG_MOTORTOTALSTEP0,
+ (_LOBYTE(dev->regs.RD_MotorTotalSteps)));
+ _SET_REG( rb, c, REG_MOTORTOTALSTEP1,
+ (_HIBYTE(dev->regs.RD_MotorTotalSteps)));
+ _SET_REG( rb, c, REG_SCANCONTROL, dev->regs.RD_ScanControl);
+ u12io_DataToRegs( dev, rb, c );
+ _DODELAY(100);
+
+ u12io_RegisterToScanner( dev, REG_INITDATAFIFO );
+}
+
+/**
+ */
+static void u12hw_SetupScanningCondition( U12_Device *dev )
+{
+ TimerDef timer;
+ u_long channel;
+ int c;
+ SANE_Byte state;
+ SANE_Byte rb[100];
+ SANE_Byte *pState;
+
+ DBG( _DBG_INFO, "u12_SetupScanningCondition()\n" );
+
+ u12hw_SetGeneralRegister( dev );
+
+ u12io_RegisterToScanner( dev, REG_RESETMTSC );
+ _DODELAY(250);
+
+ /* ------- Setup MinRead/MaxRead Fifo size ------- */
+ if( dev->DataInf.wPhyDataType <= COLOR_TRUE24 ) {
+ dev->scan.dwMaxReadFifo =
+ dev->scan.dwMinReadFifo = dev->DataInf.dwAsicBytesPerPlane * 2;
+ } else {
+ dev->scan.dwMaxReadFifo =
+ dev->scan.dwMinReadFifo = dev->DataInf.dwAppPixelsPerLine << 1;
+ }
+
+ if( dev->scan.dwMinReadFifo < 1024)
+ dev->scan.dwMinReadFifo = dev->scan.dwMaxReadFifo = 1024;
+
+ dev->scan.dwMaxReadFifo += (dev->DataInf.dwAsicBytesPerPlane / 2);
+
+ DBG( _DBG_INFO, "* MinReadFifo=%lu, MaxReadFifo=%lu\n",
+ dev->scan.dwMinReadFifo, dev->scan.dwMaxReadFifo );
+
+ /* ------- Set the max. read fifo to asic ------- */
+ if( dev->DataInf.wPhyDataType > COLOR_256GRAY ) {
+
+ dev->scan.bFifoSelect = REG_BFIFOOFFSET;
+
+ if( !dev->scan.p48BitBuf.pb ) {
+
+ long lRed, lGreen;
+
+ lRed = (_SIZE_REDFIFO - _SIZE_BLUEFIFO) /
+ dev->DataInf.dwAsicBytesPerPlane - dev->scan.bd_rk.wRedKeep;
+
+ lGreen = (_SIZE_GREENFIFO - _SIZE_BLUEFIFO) /
+ dev->DataInf.dwAsicBytesPerPlane - dev->scan.gd_gk.wGreenKeep;
+
+ if((lRed < 0) || (lGreen < 0)) {
+
+ if( lRed < lGreen ) {
+ channel = _RED_FULLSIZE << 16;
+ dev->regs.RD_BufFullSize = _SIZE_REDFIFO;
+ lGreen = lRed;
+ } else {
+ channel = _GREEN_FULLSIZE << 16;
+ dev->regs.RD_BufFullSize = _SIZE_GREENFIFO;
+ }
+
+ lGreen = (u_long)(-lGreen * dev->DataInf.dwAsicBytesPerPlane);
+
+ if( dev->DataInf.wPhyDataType > COLOR_TRUE24 )
+ lGreen >>= 1;
+
+ dev->scan.dwMinReadFifo += (u_long)lGreen;
+ dev->scan.dwMaxReadFifo += (u_long)lGreen;
+
+ } else {
+ channel = _BLUE_FULLSIZE << 16;
+ dev->regs.RD_BufFullSize = _SIZE_BLUEFIFO;
+ }
+ } else {
+ channel = _BLUE_FULLSIZE << 16;
+ dev->regs.RD_BufFullSize = _SIZE_BLUEFIFO;
+ }
+ } else {
+ dev->scan.bFifoSelect = REG_GFIFOOFFSET;
+ channel = _GREEN_FULLSIZE << 16;
+ dev->regs.RD_BufFullSize = _SIZE_GRAYFIFO;
+ }
+
+ dev->regs.RD_BufFullSize -= (dev->DataInf.dwAsicBytesPerPlane << 1);
+
+ if( dev->DataInf.wPhyDataType > COLOR_TRUE24 )
+ dev->regs.RD_BufFullSize >>= 1;
+
+ dev->regs.RD_BufFullSize |= channel;
+
+ dev->scan.bRefresh = (SANE_Byte)(dev->scan.dwInterval << 1);
+ dev->regs.RD_LineControl = _LOBYTE(dev->shade.wExposure);
+ dev->regs.RD_ExtLineControl = _HIBYTE(dev->shade.wExposure);
+ dev->regs.RD_XStepTime = _LOBYTE(dev->shade.wXStep);
+ dev->regs.RD_ExtXStepTime = _HIBYTE(dev->shade.wXStep);
+ dev->regs.RD_Motor0Control = _FORWARD_MOTOR;
+ dev->regs.RD_StepControl = _MOTOR0_SCANSTATE;
+ dev->regs.RD_ModeControl = _ModeScan/*(_ModeScan | _ModeFifoGSel)*/;
+
+ DBG( _DBG_INFO, "* bRefresh = %i\n", dev->scan.bRefresh );
+
+ if( dev->DataInf.wPhyDataType == COLOR_BW ) {
+ dev->regs.RD_ScanControl = _SCAN_BITMODE;
+ } else if( dev->DataInf.wPhyDataType <= COLOR_TRUE24 )
+ dev->regs.RD_ScanControl = _SCAN_BYTEMODE;
+ else {
+ dev->regs.RD_ScanControl = _SCAN_12BITMODE;
+ }
+
+ dev->regs.RD_ScanControl |= _SCAN_1ST_AVERAGE;
+ u12hw_SelectLampSource( dev );
+
+ DBG( _DBG_INFO, "* RD_ScanControl = 0x%02x\n", dev->regs.RD_ScanControl );
+
+ DBG( _DBG_INFO, "* ImageInfo: x=%u,y=%u,dx=%u,dy=%u\n",
+ dev->DataInf.crImage.x, dev->DataInf.crImage.y,
+ dev->DataInf.crImage.cx, dev->DataInf.crImage.cy );
+
+ dev->regs.RD_MotorTotalSteps = (dev->DataInf.crImage.cy * 4) +
+ (dev->f0_8_16 ? 32 : 16) +
+ (dev->scan.bDiscardAll ? 32 : 0);
+ DBG( _DBG_INFO, "* RD_MotorTotalSteps = 0x%04x\n",
+ dev->regs.RD_MotorTotalSteps);
+
+ dev->regs.RD_ScanControl1 = (_MTSC_ENABLE | _SCANSTOPONBUFFULL |
+ _MFRC_RUNSCANSTATE | _MFRC_BY_XSTEP);
+ DBG( _DBG_INFO, "* RD_ScanControl1 = 0x%02x\n", dev->regs.RD_ScanControl1);
+
+ dev->regs.RD_Dpi = dev->DataInf.xyPhyDpi.x;
+
+ if(!(dev->DataInf.dwScanFlag & _SCANDEF_TPA )) {
+ dev->regs.RD_Origin = (u_short)(dev->adj.leftNormal*2+_DATA_ORIGIN_X);
+
+ } else if( dev->DataInf.dwScanFlag & _SCANDEF_Transparency ) {
+ dev->regs.RD_Origin = (u_short)dev->scan.posBegin;
+ } else {
+ dev->regs.RD_Origin = (u_short)dev->scan.negBegin;
+ }
+ dev->regs.RD_Origin += dev->DataInf.crImage.x;
+
+ if( dev->shade.intermediate & _ScanMode_AverageOut )
+ dev->regs.RD_Origin >>= 1;
+
+ if( dev->DataInf.wPhyDataType == COLOR_BW )
+ dev->regs.RD_Pixels = (u_short)dev->DataInf.dwAsicBytesPerPlane;
+ else
+ dev->regs.RD_Pixels = (u_short)dev->DataInf.dwAppPixelsPerLine;
+
+ DBG( _DBG_INFO, "* RD_Origin = %u, RD_Pixels = %u\n",
+ dev->regs.RD_Origin, dev->regs.RD_Pixels );
+
+ /* ------- Prepare scan states ------- */
+ memset( dev->scanStates, 0, _SCANSTATE_BYTES );
+ memset( dev->bufs.b1.pReadBuf, 0, _NUMBER_OF_SCANSTEPS );
+
+ if( dev->DataInf.wPhyDataType <= COLOR_256GRAY )
+ state = (_SS_MONO | _SS_STEP);
+ else
+ state = (_SS_COLOR | _SS_STEP);
+
+ for( channel = _NUMBER_OF_SCANSTEPS, pState = dev->bufs.b1.pReadBuf;
+ channel; channel -= dev->scan.dwInterval ) {
+ *pState = state;
+ pState += dev->scan.dwInterval;
+ }
+ for( channel = 0, pState = dev->bufs.b1.pReadBuf;
+ channel < _SCANSTATE_BYTES; channel++) {
+ dev->scanStates[channel] = pState[0] | (pState[1] << 4);
+ pState += 2;
+ }
+
+ /* ------- Wait for scan state stop ------- */
+ u12io_StartTimer( &timer, _SECOND * 2 );
+
+ u12io_ResetFifoLen();
+ while(!(u12io_GetScanState( dev ) & _SCANSTATE_STOP) &&
+ !u12io_CheckTimer(&timer));
+ u12io_DownloadScanStates( dev );
+
+ c = 0;
+ _SET_REG( rb, c, REG_LINECONTROL, dev->regs.RD_LineControl );
+ _SET_REG( rb, c, REG_EXTENDEDLINECONTROL,
+ dev->regs.RD_ExtLineControl);
+ _SET_REG( rb, c, REG_XSTEPTIME, dev->regs.RD_XStepTime );
+ _SET_REG( rb, c, REG_EXTENDEDXSTEP, dev->regs.RD_ExtXStepTime );
+ _SET_REG( rb, c, REG_MOTORDRVTYPE,
+ dev->regs.RD_MotorDriverType );
+ _SET_REG( rb, c, REG_STEPCONTROL, dev->regs.RD_StepControl );
+ _SET_REG( rb, c, REG_MOTOR0CONTROL, dev->regs.RD_Motor0Control );
+ _SET_REG( rb, c, REG_MODELCONTROL, dev->regs.RD_ModelControl );
+ _SET_REG( rb, c, REG_DPILO, (_LOBYTE(dev->regs.RD_Dpi)));
+ _SET_REG( rb, c, REG_DPIHI, (_HIBYTE(dev->regs.RD_Dpi)));
+ _SET_REG( rb, c, REG_SCANPOSLO, (_LOBYTE(dev->regs.RD_Origin)));
+ _SET_REG( rb, c, REG_SCANPOSHI,(_HIBYTE(dev->regs.RD_Origin)));
+ _SET_REG( rb, c, REG_WIDTHPIXELLO,(_LOBYTE(dev->regs.RD_Pixels)));
+ _SET_REG( rb, c, REG_WIDTHPIXELHI,(_HIBYTE(dev->regs.RD_Pixels)));
+ _SET_REG( rb, c, REG_THRESHOLDLO,
+ (_LOBYTE(dev->regs.RD_ThresholdControl)));
+ _SET_REG( rb, c, REG_THRESHOLDHI,
+ (_HIBYTE(dev->regs.RD_ThresholdControl)));
+ _SET_REG( rb, c, REG_MOTORTOTALSTEP0,
+ (_LOBYTE(dev->regs.RD_MotorTotalSteps)));
+ _SET_REG( rb, c, REG_MOTORTOTALSTEP1,
+ (_HIBYTE(dev->regs.RD_MotorTotalSteps)));
+ _SET_REG( rb, c, REG_SCANCONTROL, dev->regs.RD_ScanControl);
+ u12io_DataToRegs( dev, rb, c );
+ _DODELAY(100);
+
+ u12io_RegisterToScanner( dev, REG_INITDATAFIFO );
+}
+
+/**
+ */
+static SANE_Status u12hw_Memtest( U12_Device *dev )
+{
+ SANE_Byte tmp;
+ SANE_Byte buf[_TEST_SIZE];
+ int i;
+
+ DBG( _DBG_INFO, "u12hw_Memtest()\n" );
+
+ /* prepare buffer */
+ for( i = 0; i < _TEST_SIZE; i++ ) {
+ buf[i] = (SANE_Byte)((i * 3) & 0xff);
+ }
+
+ /* avoid switching to Lamp0, when previously scanned in transp./neg mode */
+ tmp = dev->lastLampStatus + _SCAN_BYTEMODE;
+ u12io_DataToRegister( dev, REG_SCANCONTROL, tmp );
+
+ u12io_DataToRegister( dev, REG_MODECONTROL, _ModeMappingMem );
+ u12io_DataToRegister( dev, REG_MEMORYLO, 0 );
+ u12io_DataToRegister( dev, REG_MEMORYHI, 0 );
+
+ /* fill to buffer */
+ u12io_MoveDataToScanner( dev, buf, _TEST_SIZE );
+
+ u12io_DataToRegister( dev, REG_MODECONTROL, _ModeMappingMem );
+ u12io_DataToRegister( dev, REG_MEMORYLO, 0 );
+ u12io_DataToRegister( dev, REG_MEMORYHI, 0 );
+
+ u12io_DataToRegister( dev, REG_WIDTHPIXELLO, 0 );
+ u12io_DataToRegister( dev, REG_WIDTHPIXELHI, 5 );
+
+ memset( buf, 0, _TEST_SIZE );
+
+ dev->regs.RD_ModeControl = _ModeReadMappingMem;
+ u12io_ReadData( dev, buf, _TEST_SIZE );
+
+ for( i = 0; i < _TEST_SIZE; i++ ) {
+ if((SANE_Byte)((i * 3) & 0xff) != buf[i] ) {
+ DBG( _DBG_ERROR, "* Memtest failed at pos %u: %u != %u\n",
+ i+1, buf[i], (SANE_Byte)((i * 3) & 0xff) );
+ return SANE_STATUS_INVAL;
+ }
+ }
+ DBG( _DBG_INFO, "* Memtest passed.\n" );
+ return SANE_STATUS_GOOD;
+}
+
+/** check if ASIC can be accessed, if the version is supported and the memory
+ * is also accessible...
+ */
+static SANE_Status u12hw_CheckDevice( U12_Device *dev )
+{
+#ifndef _FAKE_DEVICE
+ SANE_Byte tmp;
+ SANE_Byte rb[8];
+ int c;
+
+#if 1
+ if( !u12io_IsConnected( dev )) {
+
+ if( !u12io_OpenScanPath( dev ))
+ return SANE_STATUS_IO_ERROR;
+ }
+#else
+/* u12io_IsConnected( dev ); */
+ if( !u12io_OpenScanPath( dev ))
+ return SANE_STATUS_IO_ERROR;
+#endif
+
+ /* some setup stuff... */
+ tmp = u12io_GetExtendedStatus( dev );
+ DBG( _DBG_INFO, "* REG_STATUS2 = 0x%02x\n", tmp );
+ if( tmp & _REFLECTIONLAMP_ON ) {
+ DBG( _DBG_INFO, "* Normal lamp is ON\n" );
+ dev->lastLampStatus = _SCAN_NORMALLAMP_ON;
+ } else if( tmp & _TPALAMP_ON ) {
+ dev->lastLampStatus = _SCAN_TPALAMP_ON;
+ DBG( _DBG_INFO, "* TPA lamp is ON\n" );
+ }
+
+ c = 0;
+ _SET_REG( rb, c, REG_PLLPREDIV, 1 );
+ _SET_REG( rb, c, REG_PLLMAINDIV, 0x20 );
+ _SET_REG( rb, c, REG_PLLPOSTDIV, 2 );
+ _SET_REG( rb, c, REG_CLOCKSELECTOR, 2 );
+ u12io_DataToRegs( dev, rb, c );
+
+#if 0
+ return u12hw_Memtest( dev );
+#else
+ if( !dev->initialized )
+ return u12hw_Memtest( dev );
+ else
+ return SANE_STATUS_GOOD;
+#endif
+#else
+ _VAR_NOT_USED( dev );
+ return SANE_STATUS_GOOD;
+#endif
+}
+
+/* prototypes... */
+static void u12motor_PositionModuleToHome( U12_Device *);
+static void u12motor_ToHomePosition( U12_Device *, SANE_Bool );
+
+/**
+ */
+static void u12hw_CancelSequence( U12_Device *dev )
+{
+ int c = 0;
+ SANE_Byte rb[6];
+
+ DBG( _DBG_INFO, "u12hw_CancelSequence()\n" );
+
+ u12motor_PositionModuleToHome( dev );
+
+ u12motor_ToHomePosition( dev, SANE_TRUE );
+
+ u12io_DataToRegister( dev, REG_MOTOR0CONTROL, 0 );
+ u12io_DataToRegister( dev, REG_MODELCONTROL, 0x1a );
+
+ u12hw_PutToIdleMode( dev );
+
+ if( strcmp( dev->usbId, "0x0458-0x2004" ))
+ u12io_SoftwareReset( dev );
+
+ u12motor_PositionModuleToHome( dev );
+
+ u12io_DataToRegister( dev, REG_SCANCONTROL, 0x05 );
+ u12io_DataToRegister( dev, REG_MODELCONTROL, 0x1f );
+
+ u12hw_PutToIdleMode( dev );
+
+ u12io_DataToRegister( dev, REG_MODELCONTROL, 0x00 );
+
+ u12io_DataToRegister( dev, REG_ADCADDR, 0x01 );
+ u12io_DataToRegister( dev, REG_ADCDATA, 0x00 );
+ u12io_DataToRegister( dev, REG_ADCSERIALOUT, 0x00 );
+
+ _SET_REG( rb, c, REG_MODECONTROL, 0x19 );
+ _SET_REG( rb, c, REG_STEPCONTROL, 0xff );
+ _SET_REG( rb, c, REG_MOTOR0CONTROL, 0 );
+ u12io_DataToRegs( dev, rb, c );
+
+ u12io_CloseScanPath( dev );
+}
+
+/**
+ */
+static SANE_Status u12hw_WarmupLamp( U12_Device *dev )
+{
+ TimerDef timer;
+
+ DBG( _DBG_INFO, "u12hw_WarmupLamp()\n" );
+
+ if( dev->warmupNeeded ) {
+ DBG( _DBG_INFO, "* warming up...\n" );
+ u12io_StartTimer( &timer, _SECOND * dev->adj.warmup );
+ while( !u12io_CheckTimer( &timer )) {
+ if( u12io_IsEscPressed()) {
+ DBG( _DBG_INFO, "* CANCEL detected!\n" );
+ return SANE_STATUS_CANCELLED;
+ }
+ }
+ } else {
+ DBG( _DBG_INFO, "* skipped\n" );
+ }
+ return SANE_STATUS_GOOD;
+}
+
+/* FIXME: replace!!! */
+static U12_Device *dev_xxx = NULL;
+
+/** ISR to switch lamp off after time has elapsed
+ */
+static void usb_LampTimerIrq( int sig )
+{
+ SANE_Byte tmp;
+ int handle = -1;
+
+ if( NULL == dev_xxx )
+ return;
+
+ _VAR_NOT_USED( sig );
+ DBG( _DBG_INFO, "*** LAMP OFF!!! ***\n" );
+
+ if( -1 == dev_xxx->fd ) {
+
+ if( SANE_STATUS_GOOD == sanei_usb_open(dev_xxx->sane.name, &handle)) {
+ dev_xxx->fd = handle;
+ }
+ }
+
+ if( -1 != dev_xxx->fd ) {
+
+ if( !u12io_IsConnected( dev_xxx )) {
+
+ if( u12io_OpenScanPath( dev_xxx )) {
+
+ /* some setup stuff... */
+ tmp = u12io_GetExtendedStatus( dev_xxx );
+ if( tmp & _REFLECTIONLAMP_ON ) {
+ DBG( _DBG_INFO, "* Normal lamp is ON\n" );
+ } else if( tmp & _TPALAMP_ON ) {
+ DBG( _DBG_INFO, "* TPA lamp is ON\n" );
+ }
+
+ u12io_DataToRegister( dev_xxx, REG_SCANCONTROL, 0 );
+ u12io_CloseScanPath( dev_xxx );
+ }
+ }
+ }
+
+ if( -1 != handle ) {
+ dev_xxx->fd = -1;
+ sanei_usb_close( handle );
+ }
+}
+
+/**
+ */
+static void u12hw_StartLampTimer( U12_Device *dev )
+{
+ sigset_t block, pause_mask;
+ struct sigaction s;
+#ifdef HAVE_SETITIMER
+ struct itimerval interval;
+#endif
+
+ /* block SIGALRM */
+ sigemptyset( &block );
+ sigaddset ( &block, SIGALRM );
+ sigprocmask( SIG_BLOCK, &block, &pause_mask );
+
+ /* setup handler */
+ sigemptyset( &s.sa_mask );
+ sigaddset ( &s.sa_mask, SIGALRM );
+ s.sa_flags = 0;
+ s.sa_handler = usb_LampTimerIrq;
+
+ if( sigaction( SIGALRM, &s, NULL ) < 0 )
+ DBG( _DBG_ERROR, "Can't setup timer-irq handler\n" );
+
+ sigprocmask( SIG_UNBLOCK, &block, &pause_mask );
+
+#ifdef HAVE_SETITIMER
+ /*
+ * define a one-shot timer
+ */
+ interval.it_value.tv_usec = 0;
+ interval.it_value.tv_sec = dev->adj.lampOff;
+ interval.it_interval.tv_usec = 0;
+ interval.it_interval.tv_sec = 0;
+
+ if( 0 != dev->adj.lampOff ) {
+ dev_xxx = dev;
+ setitimer( ITIMER_REAL, &interval, &dev->saveSettings );
+ DBG( _DBG_INFO, "Lamp-Timer started (using ITIMER)\n" );
+ }
+#else
+ if( 0 != dev->adj.lampOff ) {
+ dev_xxx = dev;
+ alarm( dev->adj.lampOff );
+ DBG( _DBG_INFO, "Lamp-Timer started (using ALARM)\n" );
+ }
+#endif
+}
+
+/**
+ */
+static void u12hw_StopLampTimer( U12_Device *dev )
+{
+ sigset_t block, pause_mask;
+
+ /* block SIGALRM */
+ sigemptyset( &block );
+ sigaddset ( &block, SIGALRM );
+ sigprocmask( SIG_BLOCK, &block, &pause_mask );
+
+ dev_xxx = NULL;
+
+#ifdef HAVE_SETITIMER
+ if( 0 != dev->adj.lampOff )
+ setitimer( ITIMER_REAL, &dev->saveSettings, NULL );
+#else
+ _VAR_NOT_USED( dev );
+ alarm( 0 );
+#endif
+ DBG( _DBG_INFO, "Lamp-Timer stopped\n" );
+}
+
+/* END U12-HW.C .............................................................*/