2003-09-23 07:10:53 +00:00
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/*.............................................................................
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2003-09-24 14:08:01 +00:00
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* Project : SANE library for Plustek parallelport flatbed scanners.
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2003-09-23 07:10:53 +00:00
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*.............................................................................
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2003-09-24 14:08:01 +00:00
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*/
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/* @file plustek-pp_detect.c
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* @brief automatic scanner detection
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2003-09-23 07:10:53 +00:00
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*
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* based on sources acquired from Plustek Inc.
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* Copyright (C) 1998 Plustek Inc.
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* Copyright (C) 2000-2003 Gerhard Jaeger <gerhard@gjaeger.de>
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* also based on the work done by Rick Bronson
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*
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2003-09-24 14:08:01 +00:00
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* History:
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* - 0.30 - initial version
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* - 0.31 - no changes
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* - 0.32 - no changes
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* - 0.33 - added portmode check
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* - 0.34 - no changes
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* - 0.35 - no changes
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* - 0.36 - added some debug messages
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* - replace the old _OUTB/_INB macros
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* - 0.37 - cosmetic changes
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* - added speed-test for the parallel-port
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* - 0.38 - added P12 stuff - replaced detectP9636 by detectAsic9800x
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* - added detectResetPort() function
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* - 0.39 - fixed problem in ASIC9800x detection
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* - 0.40 - no changes
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* - 0.41 - no changes
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* - 0.42 - changed include names
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* .
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* <hr>
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* This file is part of the SANE package.
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2003-09-23 07:10:53 +00:00
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*
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2003-09-24 14:08:01 +00:00
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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2003-09-23 07:10:53 +00:00
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*
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2003-09-24 14:08:01 +00:00
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* This program is distributed in the hope that it will be useful, but
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* WITHOUT ANY WARRANTY; without even the implied warranty of
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* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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* General Public License for more details.
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2003-09-23 07:10:53 +00:00
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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2003-09-24 14:08:01 +00:00
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* Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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* MA 02111-1307, USA.
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*
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* As a special exception, the authors of SANE give permission for
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* additional uses of the libraries contained in this release of SANE.
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*
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* The exception is that, if you link a SANE library with other files
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* to produce an executable, this does not by itself cause the
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* resulting executable to be covered by the GNU General Public
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* License. Your use of that executable is in no way restricted on
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* account of linking the SANE library code into it.
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*
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* This exception does not, however, invalidate any other reasons why
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* the executable file might be covered by the GNU General Public
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* License.
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*
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* If you submit changes to SANE to the maintainers to be included in
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* a subsequent release, you agree by submitting the changes that
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* those changes may be distributed with this exception intact.
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*
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* If you write modifications of your own for SANE, it is your choice
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* whether to permit this exception to apply to your modifications.
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* If you do not wish that, delete this exception notice.
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* <hr>
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2003-09-23 07:10:53 +00:00
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*/
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#include "plustek-pp_scan.h"
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/************************** local definitions ********************************/
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/*************************** local functions *********************************/
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/*.............................................................................
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* as the name says...
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*/
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static void detectResetPort( pScanData ps )
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{
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UChar control;
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control = _INB_CTRL( ps );
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_DO_UDELAY( 2 );
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_OUTB_CTRL( ps, _CTRL_RESERVED ); /* reset, 0xc0 */
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_DO_UDELAY( 2 );
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_OUTB_CTRL( ps, control ); /* and restore... */
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_DO_UDELAY( 2 );
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}
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/*.............................................................................
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* Check will the status port changed between printer/scanner path changed?
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* Write out data and read in to compare
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*/
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static int detectScannerConnection( pScanData ps )
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{
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UChar data, control, status;
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int retval = _E_NO_CONN;
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DBG( DBG_LOW, "Dataport = 0x%04x\n", ps->IO.pbSppDataPort );
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DBG( DBG_LOW, "Ctrlport = 0x%04x\n", ps->IO.pbControlPort );
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detectResetPort( ps );
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/*
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* as we<EFBFBD>re called during InitPorts, we can be sure
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* to operate in EPP-mode (hopefuly ;-)
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*/
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control = _INB_CTRL( ps );
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/*
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* go ahead and do some checks
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*/
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_OUTB_CTRL( ps, _CTRL_GENSIGNAL );
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_DO_UDELAY( 5 );
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_OUTB_DATA( ps, 0x55 );
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_DO_UDELAY( 5 );
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data = _INB_DATA( ps );
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if (0x55 == data) {
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DBG( DBG_HIGH, "Test 0x55\n" );
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_OUTB_DATA( ps, 0xAA );
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_DO_UDELAY( 5 );
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data = _INB_DATA( ps );
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if (0xAA == data) {
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DBG( DBG_HIGH, "Test 0xAA\n" );
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_OUTB_DATA( ps, 0x0 );
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_DO_UDELAY( 5 );
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data = _INB_STATUS( ps );
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ps->OpenScanPath( ps );
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_OUTB_DATA( ps, 0x0 );
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_DO_UDELAY( 5 );
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status = _INB_STATUS( ps );
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ps->CloseScanPath( ps );
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/*
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* so we<EFBFBD>re done <EFBFBD>til now...
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*/
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DBG( DBG_HIGH, "Compare data=0x%x and status=0x%x, port=0x%x\n",
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data, status, ps->IO.portBase );
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if( data != status ) {
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_ASSERT( ps->ReadWriteTest );
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/*
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* here we try to detect the operation speed of our
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* parallel port
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* if we have tested all the stuff and had no success, retval
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* will contain the error-code
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*/
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for( ps->IO.delay = 0; ps->IO.delay < 5; ps->IO.delay++ ) {
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retval = ps->ReadWriteTest( ps );
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/* break on OK or when the ASIC detection fails */
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if((_OK == retval) || (_E_NO_ASIC == retval))
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break;
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}
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}
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}
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}
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/*
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* work on the result
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*/
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if ( _OK == retval ) {
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ps->sCaps.wIOBase = ps->IO.pbSppDataPort;
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ps->PutToIdleMode( ps );
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} else {
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ps->sCaps.wIOBase = _NO_BASE;
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}
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/*
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* restore control port value
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*/
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_OUTB_CTRL( ps, control );
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_DO_UDELAY( 5 );
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DBG( DBG_HIGH, "detectScannerConnection() returns %i.\n", retval );
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return retval;
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}
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/*.............................................................................
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* we need some memory...
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*/
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static int detectSetupBuffers( pScanData ps )
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{
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DBG( DBG_LOW, "*** setupBuffers ***\n" );
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/*
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* bad news ?
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*/
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if ( 0 == ps->TotalBufferRequire ) {
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#ifdef __KERNEL__
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_PRINT(
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#else
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DBG( DBG_HIGH,
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#endif
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"pt_drv: asic 0x%x probably not supported\n", ps->sCaps.AsicID);
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return _E_ALLOC; /* Out of memory */
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} else {
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/*
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* allocate and clear
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*/
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DBG(DBG_LOW,"Driverbuf(%lu bytes) needed !\n", ps->TotalBufferRequire);
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ps->driverbuf = (pUChar)_VMALLOC(ps->TotalBufferRequire);
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if ( NULL == ps->driverbuf ) {
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#ifdef __KERNEL__
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_PRINT(
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#else
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DBG( DBG_HIGH,
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#endif
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"pt_drv: Not enough kernel memory %ld\n",
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ps->TotalBufferRequire);
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return _E_ALLOC; /* Out of memory */
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}
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memset( ps->driverbuf, 0, ps->TotalBufferRequire );
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}
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ps->pPrescan16 = ps->driverbuf;
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ps->pPrescan8 = ps->pPrescan16 + ps->BufferFor1stColor;
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ps->pScanBuffer1 = ps->pPrescan8 + ps->BufferFor2ndColor;
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/* CHECK: Should we adjust that !!!
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*/
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ps->pEndBufR = ps->pPrescan8;
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ps->pEndBufG = ps->pScanBuffer1;
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ps->pColorRunTable = ps->pScanBuffer1 + ps->BufferForDataRead1;
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DBG( DBG_LOW, "pColorRunTab = 0x%0lx - 0x%0lx\n",
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(ULong)ps->pColorRunTable,
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(ULong)((pUChar)ps->driverbuf + ps->TotalBufferRequire));
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if ( _ASIC_IS_98001 == ps->sCaps.AsicID ) {
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DBG( DBG_LOW, "Adjust for 98001 ASIC\n" );
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ps->pScanBuffer2 = ps->pPrescan16;
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ps->pScanBuffer1 = ps->pScanBuffer2 + _LINE_BUFSIZE1;
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ps->pColorRunTable = ps->pScanBuffer1 + _LINE_BUFSIZE * 2UL;
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ps->pProcessingBuf = ps->pColorRunTable + ps->BufferForColorRunTable;
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DBG( DBG_LOW, "sb2 = 0x%lx, sb1 = 0x%lx, Color = 0x%lx\n",
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(ULong)ps->pScanBuffer2, (ULong)ps->pScanBuffer1,
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(ULong)ps->pColorRunTable );
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DBG( DBG_LOW, "Pro = 0x%lx, size = %ld\n",
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(ULong)ps->pProcessingBuf, ps->TotalBufferRequire );
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ps->dwShadow = (_DEF_BRIGHTEST_SKIP + _DEF_DARKEST_SKIP) * 5400UL * 2UL * 3UL;
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ps->Shade.pHilight = _VMALLOC( ps->dwShadow );
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if ( NULL != ps->Shade.pHilight ) {
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memset( ps->Shade.pHilight, 0, ps->dwShadow );
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ps->dwHilight = _DEF_BRIGHTEST_SKIP * 5400UL * 3UL;
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ps->dwShadow = _DEF_DARKEST_SKIP * 5400UL * 3UL;
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ps->pwShadow = (pUShort)ps->Shade.pHilight + ps->dwHilight;
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ps->Shade.dwDiv = 32UL - _DEF_BRIGHTEST_SKIP - _DEF_DARKEST_SKIP;
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ps->dwHilightCh = ps->dwHilight / 3UL;
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ps->dwShadowCh = ps->dwShadow / 3UL;
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}
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} else if ( _ASIC_IS_98003 == ps->sCaps.AsicID ) {
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DBG( DBG_LOW, "Adjust for 98003 ASIC\n" );
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ps->Bufs.b1.pReadBuf = ps->driverbuf;
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ps->Bufs.b2.pSumBuf = ps->Bufs.b1.pReadBuf + _SizeDataBuf;
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ps->Bufs.TpaBuf.pb = &((pUChar)ps->Bufs.b2.pSumBuf)[_SizeShadingSumBuf];
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/* CHECK: We might should play around with these values... */
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ps->Shade.skipHilight = _DEF_BRIGHTEST_SKIP;
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ps->Shade.skipShadow = _DEF_DARKEST_SKIP;
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if( ps->Shade.skipHilight && ps->Shade.skipShadow ) {
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ULong skipSize;
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skipSize = (ULong)((ps->Shade.skipHilight + ps->Shade.skipShadow)
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* _SizeDataBuf * 3);
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ps->Shade.pHilight = _VMALLOC( skipSize );
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if( NULL != ps->Shade.pHilight ) {
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ps->Shade.dwDiv = (ULong)(32UL - ps->Shade.skipHilight -
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ps->Shade.skipShadow);
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}
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} else
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ps->Shade.pHilight = NULL;
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}
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return _OK;
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}
|
|
|
|
|
|
|
|
|
|
/*.............................................................................
|
|
|
|
|
* model 48xx detection or any other model using the 96001/3 ASIC
|
|
|
|
|
*/
|
|
|
|
|
static int detectP48xx( pScanData ps )
|
|
|
|
|
{
|
|
|
|
|
int result;
|
|
|
|
|
|
|
|
|
|
DBG( DBG_LOW, "************ DETECTP48xx ************\n" );
|
|
|
|
|
|
|
|
|
|
/* increase the delay-time */
|
|
|
|
|
ps->IO.delay = 4;
|
|
|
|
|
|
|
|
|
|
ModelSet4800( ps );
|
|
|
|
|
|
|
|
|
|
result = P48xxInitAsic( ps );
|
|
|
|
|
if( _OK != result )
|
|
|
|
|
return result;
|
|
|
|
|
|
|
|
|
|
return detectScannerConnection( ps );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*.............................................................................
|
|
|
|
|
* ASIC 98003 model detection
|
|
|
|
|
*/
|
|
|
|
|
static int detectAsic98003( pScanData ps )
|
|
|
|
|
{
|
|
|
|
|
int result;
|
|
|
|
|
|
|
|
|
|
DBG( DBG_LOW, "************* ASIC98003 *************\n" );
|
|
|
|
|
|
|
|
|
|
/* increase the delay-time */
|
|
|
|
|
ps->IO.delay = 4;
|
|
|
|
|
|
|
|
|
|
ModelSetP12( ps );
|
|
|
|
|
|
|
|
|
|
result = P12InitAsic( ps );
|
|
|
|
|
if( _OK != result )
|
|
|
|
|
return result;
|
|
|
|
|
|
|
|
|
|
IOSoftwareReset( ps );
|
|
|
|
|
|
|
|
|
|
return detectScannerConnection( ps );
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*.............................................................................
|
|
|
|
|
* ASIC 98001 model detection
|
|
|
|
|
*/
|
|
|
|
|
static int detectAsic98001( pScanData ps )
|
|
|
|
|
{
|
|
|
|
|
int result;
|
|
|
|
|
|
|
|
|
|
DBG( DBG_LOW, "************* ASIC98001 *************\n" );
|
|
|
|
|
|
|
|
|
|
/* increase the delay-time */
|
|
|
|
|
ps->IO.delay = 4;
|
|
|
|
|
|
|
|
|
|
ModelSet9636( ps );
|
|
|
|
|
|
|
|
|
|
result = P9636InitAsic( ps );
|
|
|
|
|
#ifndef _ASIC_98001_SIM
|
|
|
|
|
if( _OK != result )
|
|
|
|
|
return result;
|
|
|
|
|
|
|
|
|
|
return detectScannerConnection( ps );
|
|
|
|
|
#else
|
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
|
_PRINT(
|
|
|
|
|
#else
|
|
|
|
|
DBG( DBG_HIGH,
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
"!!!! WARNING, have a look at function detectAsic98001() !!!!\n" );
|
|
|
|
|
ps->sCaps.AsicID = _ASIC_IS_98001;
|
|
|
|
|
ps->sCaps.wIOBase = ps->IO.pbSppDataPort;
|
|
|
|
|
return _OK;
|
|
|
|
|
#endif
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/************************ exported functions *********************************/
|
|
|
|
|
|
|
|
|
|
/*.............................................................................
|
|
|
|
|
* here we try to find the scanner, depending on the mode
|
|
|
|
|
*/
|
2003-09-24 14:08:01 +00:00
|
|
|
|
_LOC int DetectScanner( pScanData ps, int mode )
|
2003-09-23 07:10:53 +00:00
|
|
|
|
{
|
|
|
|
|
Byte asic;
|
|
|
|
|
int result = _E_INTERNAL;
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* before doing anything else, check the port-mode
|
|
|
|
|
*/
|
|
|
|
|
if((ps->IO.portMode != _PORT_EPP) && (ps->IO.portMode != _PORT_SPP) &&
|
|
|
|
|
(ps->IO.portMode != _PORT_BIDI)) {
|
|
|
|
|
|
|
|
|
|
DBG( DBG_LOW, "!!! Portmode (%u)not supported !!!\n", ps->IO.portMode );
|
|
|
|
|
return _E_INTERNAL;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* autodetection ?
|
|
|
|
|
*/
|
|
|
|
|
if( 0 == mode ) {
|
|
|
|
|
|
|
|
|
|
DBG( DBG_HIGH, "Starting Scanner-Autodetection\n" );
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* try to find a 48xx Scanner
|
|
|
|
|
* (or even a scanner based on the 96001/3) ASIC
|
|
|
|
|
*/
|
|
|
|
|
result = detectP48xx( ps );
|
|
|
|
|
|
|
|
|
|
if( _OK != result ) {
|
|
|
|
|
|
|
|
|
|
DBG( DBG_LOW, "************* ASIC9800x *************\n" );
|
|
|
|
|
|
|
|
|
|
/*
|
|
|
|
|
* get the ASIC ID by using the OpenScanPath stuff from Asic9600x based
|
|
|
|
|
* models - only difference: change the ReadHigh/ReadLow signals before
|
|
|
|
|
*/
|
|
|
|
|
ps->CtrlReadHighNibble = _CTRL_GENSIGNAL+_CTRL_AUTOLF+_CTRL_STROBE;
|
|
|
|
|
ps->CtrlReadLowNibble = _CTRL_GENSIGNAL+_CTRL_AUTOLF;
|
|
|
|
|
|
|
|
|
|
/* read Register 0x18 (AsicID Register) of Asic9800x based devices */
|
|
|
|
|
#ifdef _ASIC_98001_SIM
|
|
|
|
|
#ifdef __KERNEL__
|
|
|
|
|
_PRINT(
|
|
|
|
|
#else
|
|
|
|
|
DBG( DBG_HIGH,
|
|
|
|
|
#endif
|
|
|
|
|
"!!!! WARNING, SW-Emulation active !!!!\n" );
|
|
|
|
|
asic = _ASIC_IS_98001;
|
|
|
|
|
#else
|
|
|
|
|
detectResetPort( ps );
|
|
|
|
|
|
|
|
|
|
/* do some presettings to make IODataRegisterFromScanner() work */
|
|
|
|
|
ps->RegAsicID = 0x18;
|
|
|
|
|
ps->IO.useEPPCmdMode = _FALSE;
|
|
|
|
|
ps->sCaps.AsicID = _ASIC_IS_98001;
|
|
|
|
|
IOInitialize( ps );
|
|
|
|
|
|
|
|
|
|
asic = IODataRegisterFromScanner( ps, ps->RegAsicID );
|
|
|
|
|
|
|
|
|
|
DBG( DBG_HIGH, "ASIC = 0x%02X\n", asic );
|
|
|
|
|
#endif
|
|
|
|
|
|
|
|
|
|
/* depending on what we have found, perform some extra tests */
|
|
|
|
|
switch( asic ) {
|
|
|
|
|
|
|
|
|
|
case _ASIC_IS_98001:
|
|
|
|
|
result = detectAsic98001( ps );
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
case _ASIC_IS_98003:
|
|
|
|
|
|
|
|
|
|
/* as the reading of the ASIC ID causes trouble,
|
|
|
|
|
* we reset the device
|
|
|
|
|
*/
|
|
|
|
|
ps->IO.useEPPCmdMode = _FALSE;
|
|
|
|
|
ps->sCaps.AsicID = _ASIC_IS_98003;
|
|
|
|
|
IOInitialize( ps );
|
|
|
|
|
IOSoftwareReset( ps );
|
|
|
|
|
|
|
|
|
|
result = detectAsic98003( ps );
|
|
|
|
|
break;
|
|
|
|
|
|
|
|
|
|
default:
|
|
|
|
|
DBG( DBG_HIGH, "Unknown ASIC-ID\n" );
|
|
|
|
|
result = _E_NO_DEV;
|
|
|
|
|
break;
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
|
|
|
|
|
/* this will be called each time before operating on a previously
|
|
|
|
|
* detected device, to make sure we're already operating on the same one
|
|
|
|
|
*/
|
|
|
|
|
if( _ASIC_IS_98001 == mode ) {
|
|
|
|
|
|
|
|
|
|
DBG( DBG_HIGH, "Starting Scanner-detection (ASIC 98001)\n" );
|
|
|
|
|
result = detectAsic98001( ps );
|
|
|
|
|
|
|
|
|
|
} else if( _ASIC_IS_98003 == mode ) {
|
|
|
|
|
|
|
|
|
|
DBG( DBG_HIGH, "Starting Scanner-detection (ASIC 98003)\n" );
|
|
|
|
|
result = detectAsic98003( ps );
|
|
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
|
|
|
|
|
DBG( DBG_HIGH, "Starting Scanner-detection (ASIC 96001/3)\n" );
|
|
|
|
|
result = detectP48xx( ps );
|
|
|
|
|
}
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
if( _OK == result ) {
|
|
|
|
|
|
|
|
|
|
_ASSERT( ps->SetupScannerVariables );
|
|
|
|
|
ps->SetupScannerVariables( ps );
|
|
|
|
|
|
|
|
|
|
detectSetupBuffers( ps );
|
|
|
|
|
|
|
|
|
|
} else {
|
|
|
|
|
/* CHECK - we should not need that anymore - paranoia code ??!!!!
|
|
|
|
|
*/
|
|
|
|
|
ps->sCaps.wIOBase = _NO_BASE;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
DBG( DBG_LOW, "*** DETECTION DONE, result: %i ***\n", result );
|
|
|
|
|
return result;
|
|
|
|
|
}
|
|
|
|
|
|
|
|
|
|
/* END PLUSTEK-PP_DETECT.C ..................................................*/
|