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sane-project-backends/backend/u12-hw.c

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/** @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 .............................................................*/
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