kopia lustrzana https://gitlab.com/sane-project/backends
4477 wiersze
118 KiB
C
4477 wiersze
118 KiB
C
/* sane - Scanner Access Now Easy.
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Copyright (C) 2010-2013 Stéphane Voltz <stef.dev@free.fr>
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This file is part of the SANE package.
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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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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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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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Foundation, Inc., 59 Temple Place - Suite 330, Boston,
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MA 02111-1307, USA.
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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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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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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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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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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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*/
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#undef BACKEND_NAME
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#define BACKEND_NAME genesys_gl843
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#include "genesys_gl843.h"
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/****************************************************************************
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Low level function
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****************************************************************************/
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/* ------------------------------------------------------------------------ */
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/* Read and write RAM, registers and AFE */
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/* ------------------------------------------------------------------------ */
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/**
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* Write bulk data (e.g. gamma or shading data) */
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static SANE_Status
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gl843_bulk_write_data (Genesys_Device * dev, uint8_t addr,
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uint8_t * data, size_t len)
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{
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SANE_Status status;
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size_t size;
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uint8_t outdata[8];
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DBGSTART;
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DBG (DBG_io, "gl843_bulk_write_data writing %lu bytes\n", (u_long) len);
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status =
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sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_REGISTER,
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VALUE_SET_REGISTER, INDEX, 1, &addr);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"gl843_bulk_write_data failed while setting register: %s\n",
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sane_strstatus (status));
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return status;
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}
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while (len)
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{
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if(len>65472)
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size=65472;
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else
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size = len;
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outdata[0] = BULK_OUT;
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outdata[1] = BULK_RAM;
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outdata[2] = 0x00;
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outdata[3] = 0x00;
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outdata[4] = (size & 0xff);
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outdata[5] = ((size >> 8) & 0xff);
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outdata[6] = ((size >> 16) & 0xff);
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outdata[7] = ((size >> 24) & 0xff);
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status =
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sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_BUFFER,
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VALUE_BUFFER, INDEX, sizeof (outdata),
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outdata);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"gl843_bulk_write_data failed while writing command: %s\n",
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sane_strstatus (status));
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return status;
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}
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status = sanei_usb_write_bulk (dev->dn, data, &size);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"gl843_bulk_write_data failed while writing bulk data: %s\n",
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sane_strstatus (status));
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return status;
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}
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DBG (DBG_io2,
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"gl843_bulk_write_data: wrote %lu bytes, %lu remaining\n",
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(u_long) size, (u_long) (len - size));
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len -= size;
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data += size;
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}
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DBGCOMPLETED;
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return status;
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}
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/* Set address for writing data */
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static SANE_Status
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gl843_set_buffer_address (Genesys_Device * dev, uint32_t addr)
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{
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SANE_Status status;
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DBG (DBG_io, "gl843_set_buffer_address: setting address to 0x%05x\n",
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addr & 0xffff);
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status = sanei_genesys_write_register (dev, 0x5b, ((addr >> 8) & 0xff));
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"gl843_set_buffer_address: failed while writing high byte: %s\n",
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sane_strstatus (status));
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return status;
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}
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status = sanei_genesys_write_register (dev, 0x5c, (addr & 0xff));
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"gl843_set_buffer_address: failed while writing low byte: %s\n",
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sane_strstatus (status));
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return status;
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}
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DBG (DBG_io, "gl843_set_buffer_address: completed\n");
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return status;
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}
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/**
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* writes a block of data to RAM
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* @param dev USB device
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* @param addr RAM address to write to
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* @param size size of the chunk of data
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* @param data pointer to the data to write
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*/
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static SANE_Status
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write_data (Genesys_Device * dev, uint32_t addr, uint32_t size,
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uint8_t * data)
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{
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SANE_Status status = SANE_STATUS_GOOD;
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DBGSTART;
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status = gl843_set_buffer_address (dev, addr);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"write_data: failed while setting address for bulk write data: %s\n",
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sane_strstatus (status));
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return status;
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}
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/* write actual data */
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status = gl843_bulk_write_data (dev, 0x28, data, size);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"write_data: failed while writing bulk write data: %s\n",
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sane_strstatus (status));
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return status;
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}
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/* set back address to 0 */
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status = gl843_set_buffer_address (dev, 0);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"write_data: failed setting to default RAM address: %s\n",
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sane_strstatus (status));
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return status;
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}
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DBGCOMPLETED;
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return status;
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}
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static SANE_Status
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gl843_bulk_read_data (Genesys_Device * dev, uint8_t addr,
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uint8_t * data, size_t len)
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{
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SANE_Status status;
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size_t size;
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uint8_t outdata[8];
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DBGSTART;
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DBG (DBG_io,
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"gl843_bulk_read_data: requesting %lu bytes from 0x%02x addr\n",
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(u_long) len, addr);
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status =
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sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_REGISTER,
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VALUE_SET_REGISTER, 0, 1, &addr);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"write_data: failed to set register address %s\n",
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sane_strstatus (status));
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return status;
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}
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if (len == 0)
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return SANE_STATUS_GOOD;
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outdata[0] = BULK_IN;
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outdata[1] = BULK_RAM;
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outdata[2] = VALUE_BUFFER;
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outdata[3] = 0;
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outdata[4] = (len & 0xff);
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outdata[5] = ((len >> 8) & 0xff);
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outdata[6] = ((len >> 16) & 0xff);
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outdata[7] = ((len >> 24) & 0xff);
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status =
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sanei_usb_control_msg (dev->dn, REQUEST_TYPE_OUT, REQUEST_BUFFER,
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VALUE_BUFFER, INDEX, sizeof (outdata), outdata);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"gl843_bulk_read_data failed while writing command: %s\n",
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sane_strstatus (status));
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return status;
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}
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while (len)
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{
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if (len > 0xF000)
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size = 0xF000;
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else
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size = len;
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if (size >= 512)
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{
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size /= 512;
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size *= 512;
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}
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DBG (DBG_io2,
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"gl843_bulk_read_data: trying to read %lu bytes of data\n",
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(u_long) size);
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status = sanei_usb_read_bulk (dev->dn, data, &size);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"gl843_bulk_read_data failed while reading bulk data: %s\n",
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sane_strstatus (status));
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return status;
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}
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DBG (DBG_io2,
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"gl843_bulk_read_data read %lu bytes, %lu remaining\n",
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(u_long) size, (u_long) (len - size));
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len -= size;
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data += size;
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}
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DBGCOMPLETED;
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return SANE_STATUS_GOOD;
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}
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/****************************************************************************
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Mid level functions
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****************************************************************************/
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static SANE_Bool
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gl843_get_fast_feed_bit (Genesys_Register_Set * regs)
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{
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Genesys_Register_Set *r = NULL;
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r = sanei_genesys_get_address (regs, REG02);
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if (r && (r->value & REG02_FASTFED))
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return SANE_TRUE;
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return SANE_FALSE;
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}
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static SANE_Bool
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gl843_get_filter_bit (Genesys_Register_Set * regs)
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{
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Genesys_Register_Set *r = NULL;
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r = sanei_genesys_get_address (regs, REG04);
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if (r && (r->value & REG04_FILTER))
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return SANE_TRUE;
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return SANE_FALSE;
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}
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static SANE_Bool
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gl843_get_lineart_bit (Genesys_Register_Set * regs)
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{
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Genesys_Register_Set *r = NULL;
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r = sanei_genesys_get_address (regs, REG04);
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if (r && (r->value & REG04_LINEART))
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return SANE_TRUE;
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return SANE_FALSE;
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}
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static SANE_Bool
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gl843_get_bitset_bit (Genesys_Register_Set * regs)
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{
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Genesys_Register_Set *r = NULL;
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r = sanei_genesys_get_address (regs, REG04);
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if (r && (r->value & REG04_BITSET))
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return SANE_TRUE;
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return SANE_FALSE;
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}
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static SANE_Bool
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gl843_get_gain4_bit (Genesys_Register_Set * regs)
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{
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Genesys_Register_Set *r = NULL;
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r = sanei_genesys_get_address (regs, REG06);
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if (r && (r->value & REG06_GAIN4))
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return SANE_TRUE;
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return SANE_FALSE;
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}
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/**
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* compute the step multiplier used
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*/
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static int
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gl843_get_step_multiplier (Genesys_Register_Set * regs)
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{
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Genesys_Register_Set *r = NULL;
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int value = 1;
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r = sanei_genesys_get_address (regs, REG9D);
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if (r != NULL)
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{
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switch (r->value & 0x0c)
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{
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case 0x04:
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value = 2;
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break;
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case 0x08:
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value = 4;
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break;
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default:
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value = 1;
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}
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}
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DBG (DBG_io, "%s: step multiplier is %d\n", __FUNCTION__, value);
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return value;
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}
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static SANE_Bool
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gl843_test_buffer_empty_bit (SANE_Byte val)
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{
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if (val & REG41_BUFEMPTY)
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return SANE_TRUE;
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return SANE_FALSE;
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}
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static SANE_Bool
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gl843_test_motor_flag_bit (SANE_Byte val)
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{
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if (val & REG41_MOTORENB)
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return SANE_TRUE;
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return SANE_FALSE;
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}
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/** @brief sensor profile
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* search for the database of motor profiles and get the best one. Each
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* profile is at a specific dpihw. Use first entry of table by default.
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* @param sensor_type sensor id
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* @param dpi hardware dpi for the scan
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* @param flags to select between XPA, XPA+IR or regular scan from OPTICAL_FLAGS_*
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* @return a pointer to a Sensor_Profile struct
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*/
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static Sensor_Profile *get_sensor_profile(int sensor_type, int dpi, int flags)
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{
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unsigned int i, count;
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int idx;
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Sensor_Profile *sp;
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if(flags & OPTICAL_FLAG_USE_XPA)
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{
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sp=xpa_sensors;
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count=sizeof(xpa_sensors)/sizeof(Sensor_Profile);
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}
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else
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{
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sp=sensors;
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count=sizeof(sensors)/sizeof(Sensor_Profile);
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}
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i=0;
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idx=-1;
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while(i<count)
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{
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/* exact match */
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if(sp[i].sensor_type==sensor_type && sp[i].dpi==dpi)
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{
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return &(sp[i]);
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}
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/* closest match */
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if(sp[i].sensor_type==sensor_type)
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{
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if(idx<0)
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{
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idx=i;
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}
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else
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{
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if(sp[i].dpi>=dpi
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&& sp[i].dpi<sp[idx].dpi)
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{
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idx=i;
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}
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}
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}
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i++;
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}
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/* default fallback */
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if(idx<0)
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{
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DBG (DBG_warn,"%s: using default sensor profile\n",__FUNCTION__);
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idx=0;
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}
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return &(sp[idx]);
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}
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/** copy sensor specific settings */
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static void
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gl843_setup_sensor (Genesys_Device * dev, Genesys_Register_Set * regs, int dpi,int flags)
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{
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Genesys_Register_Set *r;
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Sensor_Profile *sensor;
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int i,dpihw;
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DBGSTART;
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dpihw=sanei_genesys_compute_dpihw(dev,dpi);
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sensor=get_sensor_profile(dev->model->ccd_type, dpihw, flags);
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for (i = 0x06; i < 0x0e; i++)
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{
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r = sanei_genesys_get_address (regs, 0x10 + i);
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if (r)
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r->value = sensor->regs_0x10_0x1d[i];
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}
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for (i = 0; i < 9; i++)
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{
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r = sanei_genesys_get_address (regs, 0x52 + i);
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if (r)
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r->value = sensor->regs_0x52_0x5e[i];
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}
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/* specific registers */
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r = sanei_genesys_get_address (regs, 0x0c);
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if (r)
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{
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r->value = sensor->reg0c;
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}
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r = sanei_genesys_get_address (regs, 0x70);
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if (r)
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{
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r->value = sensor->reg70;
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}
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r = sanei_genesys_get_address (regs, 0x71);
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if (r)
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{
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r->value = sensor->reg71;
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}
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r = sanei_genesys_get_address (regs, 0x7d);
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if (r)
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{
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if (!(dev->model->flags & GENESYS_FLAG_FULL_HWDPI_MODE))
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{
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r->value = 0x90;
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}
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}
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r = sanei_genesys_get_address (regs, 0x9e);
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if (r)
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{
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r->value = sensor->reg9e;
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}
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/* undocumented register */
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r = sanei_genesys_get_address (regs, 0xaa);
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if (r)
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{
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r->value = sensor->regaa;
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}
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/* CKxMAP */
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sanei_genesys_set_triple(regs,REG_CK1MAP,sensor->ck1map);
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sanei_genesys_set_triple(regs,REG_CK3MAP,sensor->ck3map);
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sanei_genesys_set_triple(regs,REG_CK4MAP,sensor->ck4map);
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DBGCOMPLETED;
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}
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/* returns the max register bulk size */
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static int
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gl843_bulk_full_size (void)
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{
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return GENESYS_GL843_MAX_REGS;
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}
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/** @brief set all registers to default values .
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* This function is called only once at the beginning and
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* fills register startup values for registers reused across scans.
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* Those that are rarely modified or not modified are written
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* individually.
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* @param dev device structure holding register set to initialize
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*/
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static void
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gl843_init_registers (Genesys_Device * dev)
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{
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DBGSTART;
|
|
|
|
memset (dev->reg, 0, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
|
|
/* default to KV-SS080 */
|
|
SETREG (0xa2, 0x0f);
|
|
SETREG (0x01, 0x00);
|
|
SETREG (0x02, 0x78);
|
|
SETREG (0x03, 0x1f);
|
|
SETREG (0x04, 0x10);
|
|
SETREG (0x05, 0x80);
|
|
SETREG (0x06, 0xd8); /* SCANMOD=110, PWRBIT and GAIN4 */
|
|
SETREG (0x08, 0x00);
|
|
SETREG (0x09, 0x00);
|
|
SETREG (0x0a, 0x00);
|
|
SETREG (0x0b, 0x6a);
|
|
SETREG (0x10, 0x00);
|
|
SETREG (0x11, 0x00);
|
|
SETREG (0x12, 0x00);
|
|
SETREG (0x13, 0x00);
|
|
SETREG (0x14, 0x00);
|
|
SETREG (0x15, 0x00);
|
|
SETREG (0x16, 0x33);
|
|
SETREG (0x17, 0x1c);
|
|
SETREG (0x18, 0x10);
|
|
SETREG (0x19, 0x2a);
|
|
SETREG (0x1a, 0x04);
|
|
SETREG (0x1b, 0x00);
|
|
SETREG (0x1c, 0x20);
|
|
SETREG (0x1d, 0x04);
|
|
SETREG (0x1e, 0x10);
|
|
SETREG (0x1f, 0x01);
|
|
SETREG (0x20, 0x10);
|
|
SETREG (0x21, 0x04);
|
|
SETREG (0x22, 0x01);
|
|
SETREG (0x23, 0x01);
|
|
SETREG (0x24, 0x04);
|
|
SETREG (0x25, 0x00);
|
|
SETREG (0x26, 0x00);
|
|
SETREG (0x27, 0x00);
|
|
SETREG (0x2c, 0x02);
|
|
SETREG (0x2d, 0x58);
|
|
SETREG (0x2e, 0x80);
|
|
SETREG (0x2f, 0x80);
|
|
SETREG (0x30, 0x00);
|
|
SETREG (0x31, 0x14);
|
|
SETREG (0x32, 0x27);
|
|
SETREG (0x33, 0xec);
|
|
SETREG (0x34, 0x24);
|
|
SETREG (0x35, 0x00);
|
|
SETREG (0x36, 0xff);
|
|
SETREG (0x37, 0xff);
|
|
SETREG (0x38, 0x55);
|
|
SETREG (0x39, 0xf0);
|
|
SETREG (0x3d, 0x00);
|
|
SETREG (0x3e, 0x00);
|
|
SETREG (0x3f, 0x01);
|
|
SETREG (0x52, 0x01);
|
|
SETREG (0x53, 0x04);
|
|
SETREG (0x54, 0x07);
|
|
SETREG (0x55, 0x0a);
|
|
SETREG (0x56, 0x0d);
|
|
SETREG (0x57, 0x10);
|
|
SETREG (0x58, 0x1b);
|
|
SETREG (0x59, 0x00);
|
|
SETREG (0x5a, 0x40);
|
|
SETREG (0x5e, 0x23);
|
|
SETREG (0x5f, 0x01);
|
|
SETREG (0x60, 0x00);
|
|
SETREG (0x61, 0x00);
|
|
SETREG (0x62, 0x00);
|
|
SETREG (0x63, 0x00);
|
|
SETREG (0x64, 0x00);
|
|
SETREG (0x65, 0x00);
|
|
SETREG (0x67, 0x7f);
|
|
SETREG (0x68, 0x7f);
|
|
SETREG (0x69, 0x01);
|
|
SETREG (0x6a, 0x04);
|
|
SETREG (0x6b, 0x30);
|
|
SETREG (0x70, 0x01);
|
|
SETREG (0x71, 0x03);
|
|
SETREG (0x72, 0x04);
|
|
SETREG (0x73, 0x05);
|
|
|
|
/* CKxMAP */
|
|
SETREG (0x74, 0x00);
|
|
SETREG (0x75, 0x00);
|
|
SETREG (0x76, 0x3c);
|
|
SETREG (0x77, 0x00);
|
|
SETREG (0x78, 0x00);
|
|
SETREG (0x79, 0x9f);
|
|
SETREG (0x7a, 0x00);
|
|
SETREG (0x7b, 0x00);
|
|
SETREG (0x7c, 0x55);
|
|
|
|
SETREG (0x7d, 0x00);
|
|
SETREG (0x7f, 0x00);
|
|
SETREG (0x80, 0x00);
|
|
if (strcmp (dev->model->name, "canon-canoscan-4400f") != 0)
|
|
{
|
|
SETREG (0x81, 0x00);
|
|
SETREG (0x82, 0x00);
|
|
SETREG (0x83, 0x00);
|
|
SETREG (0x84, 0x00);
|
|
SETREG (0x85, 0x00);
|
|
SETREG (0x86, 0x00);
|
|
}
|
|
SETREG (0x87, 0x00);
|
|
SETREG (0x9d, 0x04);
|
|
SETREG (0x9e, 0x00);
|
|
if (strcmp (dev->model->name, "canon-canoscan-8400f") != 0)
|
|
{
|
|
SETREG (0x0c, 0x00);
|
|
SETREG (0x94, 0xff);
|
|
SETREG (0xab, 0x50);
|
|
}
|
|
|
|
/* so many time burnt for this register ....*/
|
|
if (strcmp (dev->model->name, "canon-canoscan-4400f") != 0
|
|
&&strcmp (dev->model->name, "canon-canoscan-8400f") != 0)
|
|
{
|
|
SETREG (0xaa, 0x00);
|
|
}
|
|
|
|
/* G4050 values */
|
|
if ((strcmp (dev->model->name, "hewlett-packard-scanjet-g4050") == 0)
|
|
|| (strcmp (dev->model->name, "hewlett-packard-scanjet-4850c") == 0)
|
|
|| (strcmp (dev->model->name, "hewlett-packard-scanjet-g4010") == 0))
|
|
{
|
|
SETREG (0x03, 0x1d);
|
|
SETREG (0x05, 0x08);
|
|
SETREG (0x06, 0xd0); /* SCANMOD=110, PWRBIT and no GAIN4 */
|
|
SETREG (0x06, 0xd8); /* SCANMOD=110, PWRBIT and GAIN4 */
|
|
SETREG (0x0a, 0x18);
|
|
SETREG (0x0b, 0x69);
|
|
|
|
/* CIS exposure is used for XPA lamp movement */
|
|
SETREG (0x10, 0x2c);
|
|
SETREG (0x11, 0x09);
|
|
SETREG (0x12, 0x22);
|
|
SETREG (0x13, 0xb8);
|
|
SETREG (0x14, 0x10);
|
|
SETREG (0x15, 0xf0);
|
|
|
|
SETREG (0x6b, 0xf4);
|
|
|
|
SETREG (0x70, 0x00);
|
|
SETREG (0x71, 0x02);
|
|
SETREG (0x72, 0x00);
|
|
SETREG (0x73, 0x00);
|
|
|
|
SETREG (0x80, 0x50);
|
|
SETREG (0x9d, 0x08);
|
|
SETREG (0xab, 0x40);
|
|
|
|
/* XXX STEF XXX TODO move to set for scan */
|
|
SETREG (0x98, 0x03);
|
|
SETREG (0x99, 0x30);
|
|
SETREG (0x9a, 0x01);
|
|
SETREG (0x9b, 0x80);
|
|
SETREG (0xac, 0x00);
|
|
}
|
|
|
|
if (strcmp (dev->model->name, "canon-canoscan-4400f") == 0)
|
|
{
|
|
SETREG (0x06, 0xf0); /* SCANMOD=111, PWRBIT and no GAIN4 */
|
|
SETREG (0x0b, 0x69); /* 16M only */
|
|
SETREG (0x1e, 0x20);
|
|
SETREG (0x22, 0xc8);
|
|
SETREG (0x23, 0xc8);
|
|
SETREG (0x5e, 0x3f);
|
|
SETREG (0x5f, 0xf0);
|
|
SETREG (0x6b, 0x72);
|
|
SETREG (0x72, 0x01);
|
|
SETREG (0x73, 0x03);
|
|
SETREG (0x80, 0x0c);
|
|
SETREG (0x87, 0x02); /* MCLOCK -> CK4MAP */
|
|
SETREG (0x9d, 0x08); /* STEPTIM=2 */
|
|
SETREG (0xa2, 0x1f);
|
|
SETREG (0xab, 0x00);
|
|
sanei_genesys_set_double(dev->reg,REG_EXPR,0x9c40);
|
|
sanei_genesys_set_double(dev->reg,REG_EXPG,0x9c40);
|
|
sanei_genesys_set_double(dev->reg,REG_EXPB,0x9c40);
|
|
}
|
|
|
|
if (strcmp (dev->model->name, "canon-canoscan-8400f") == 0)
|
|
{
|
|
SETREG (0x03, 0x1c);
|
|
SETREG (0x06, 0xd0); /* SCANMOD=110, PWRBIT and no GAIN4 */
|
|
SETREG (0x0a, 0x10);
|
|
SETREG (0x22, 0x50);
|
|
SETREG (0x23, 0x50);
|
|
SETREG (0x5e, 0x85);
|
|
SETREG (0x6b, 0xb1);
|
|
SETREG (0x1e, 0xa0);
|
|
SETREG (0x72, 0x03);
|
|
SETREG (0x73, 0x04);
|
|
SETREG (0x7d, 0x20);
|
|
SETREG (0x80, 0x28);
|
|
SETREG (0x87, 0x02); /* MCLOCK -> CK4MAP */
|
|
SETREG (0x9d, 0x08); /* STEPTIM=2 */
|
|
}
|
|
|
|
/* fine tune upon device description */
|
|
dev->reg[reg_0x05].value &= ~REG05_DPIHW;
|
|
switch (dev->sensor.optical_res)
|
|
{
|
|
case 600:
|
|
dev->reg[reg_0x05].value |= REG05_DPIHW_600;
|
|
break;
|
|
case 1200:
|
|
dev->reg[reg_0x05].value |= REG05_DPIHW_1200;
|
|
break;
|
|
case 2400:
|
|
dev->reg[reg_0x05].value |= REG05_DPIHW_2400;
|
|
break;
|
|
case 4800:
|
|
dev->reg[reg_0x05].value |= REG05_DPIHW_4800;
|
|
break;
|
|
}
|
|
|
|
/* initalize calibration reg */
|
|
memcpy (dev->calib_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
|
|
DBGCOMPLETED;
|
|
}
|
|
|
|
/* Send slope table for motor movement
|
|
slope_table in machine byte order
|
|
*/
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl843_send_slope_table (Genesys_Device * dev, int table_nr,
|
|
uint16_t * slope_table, int steps)
|
|
{
|
|
SANE_Status status;
|
|
uint8_t *table;
|
|
int i;
|
|
char msg[10000];
|
|
|
|
DBG (DBG_proc, "%s (table_nr = %d, steps = %d)\n", __FUNCTION__,
|
|
table_nr, steps);
|
|
|
|
table = (uint8_t *) malloc (steps * 2);
|
|
for (i = 0; i < steps; i++)
|
|
{
|
|
table[i * 2] = slope_table[i] & 0xff;
|
|
table[i * 2 + 1] = slope_table[i] >> 8;
|
|
}
|
|
|
|
if (DBG_LEVEL >= DBG_io)
|
|
{
|
|
sprintf (msg, "write slope %d (%d)=", table_nr, steps);
|
|
for (i = 0; i < steps; i++)
|
|
{
|
|
sprintf (msg+strlen(msg), "%d", slope_table[i]);
|
|
}
|
|
DBG (DBG_io, "%s: %s\n", __FUNCTION__, msg);
|
|
}
|
|
|
|
|
|
/* slope table addresses are fixed : 0x4000, 0x4800, 0x5000, 0x5800, 0x6000 */
|
|
/* XXX STEF XXX USB 1.1 ? sanei_genesys_write_0x8c (dev, 0x0f, 0x14); */
|
|
status = write_data (dev, 0x4000 + 0x800 * table_nr, steps * 2, table);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"%s: write data failed writing slope table %d (%s)\n",
|
|
__FUNCTION__, table_nr, sane_strstatus (status));
|
|
}
|
|
|
|
free (table);
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
|
|
/* Set values of analog frontend */
|
|
static SANE_Status
|
|
gl843_set_fe (Genesys_Device * dev, uint8_t set)
|
|
{
|
|
SANE_Status status;
|
|
uint8_t val;
|
|
int i;
|
|
|
|
DBG (DBG_proc, "gl843_set_fe (%s)\n",
|
|
set == AFE_INIT ? "init" : set == AFE_SET ? "set" : set ==
|
|
AFE_POWER_SAVE ? "powersave" : "huh?");
|
|
|
|
if (set == AFE_INIT)
|
|
{
|
|
DBG (DBG_proc, "gl843_set_fe(): setting DAC %u\n",
|
|
dev->model->dac_type);
|
|
sanei_genesys_init_fe (dev);
|
|
}
|
|
|
|
/* check analog frontend type */
|
|
RIE (sanei_genesys_read_register (dev, REG04, &val));
|
|
if ((val & REG04_FESET) != 0x00)
|
|
{
|
|
/* for now there is no support for AD fe */
|
|
DBG (DBG_proc, "gl843_set_fe(): unsupported frontend type %d\n",
|
|
dev->reg[reg_0x04].value & REG04_FESET);
|
|
return SANE_STATUS_UNSUPPORTED;
|
|
}
|
|
|
|
DBG (DBG_proc, "gl843_set_fe(): frontend reset complete\n");
|
|
|
|
for (i = 1; i <= 3; i++)
|
|
{
|
|
status = sanei_genesys_fe_write_data (dev, i, dev->frontend.reg[i]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_set_fe: writing reg[%d] failed: %s\n", i,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
status =
|
|
sanei_genesys_fe_write_data (dev, 0x20 + i, dev->frontend.offset[i]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_set_fe: writing offset[%d] failed: %s\n", i,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
|
|
if (dev->model->ccd_type == CCD_KVSS080)
|
|
{
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
status =
|
|
sanei_genesys_fe_write_data (dev, 0x24 + i,
|
|
dev->frontend.sign[i]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_set_fe: writing sign[%d] failed: %s\n", i,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
status =
|
|
sanei_genesys_fe_write_data (dev, 0x28 + i, dev->frontend.gain[i]);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_set_fe: writing gain[%d] failed: %s\n", i,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
|
|
static SANE_Status
|
|
gl843_init_motor_regs_scan (Genesys_Device * dev,
|
|
Genesys_Register_Set * reg,
|
|
unsigned int exposure,
|
|
float scan_yres,
|
|
int scan_step_type,
|
|
unsigned int scan_lines,
|
|
unsigned int scan_dummy,
|
|
unsigned int feed_steps,
|
|
int scan_power_mode,
|
|
unsigned int flags)
|
|
{
|
|
SANE_Status status;
|
|
int use_fast_fed, coeff;
|
|
unsigned int lincnt;
|
|
uint16_t scan_table[1024];
|
|
uint16_t fast_table[1024];
|
|
int scan_steps,fast_steps, fast_step_type;
|
|
unsigned int feedl,factor,dist;
|
|
Genesys_Register_Set *r;
|
|
uint32_t z1, z2;
|
|
|
|
DBGSTART;
|
|
DBG (DBG_info, "gl843_init_motor_regs_scan : exposure=%d, "
|
|
"scan_yres=%g, scan_step_type=%d, scan_lines=%d, scan_dummy=%d, "
|
|
"feed_steps=%d, scan_power_mode=%d, flags=%x\n",
|
|
exposure, scan_yres, scan_step_type,
|
|
scan_lines, scan_dummy, feed_steps, scan_power_mode, flags);
|
|
|
|
/* get step multiplier */
|
|
factor = gl843_get_step_multiplier (reg);
|
|
|
|
use_fast_fed = 0;
|
|
|
|
if((scan_yres>=300 && feed_steps>900) || (flags & MOTOR_FLAG_FEED))
|
|
use_fast_fed=1;
|
|
|
|
lincnt=scan_lines;
|
|
sanei_genesys_set_triple(reg,REG_LINCNT,lincnt);
|
|
DBG (DBG_io, "%s: lincnt=%d\n", __FUNCTION__, lincnt);
|
|
|
|
/* compute register 02 value */
|
|
r = sanei_genesys_get_address (reg, REG02);
|
|
r->value = 0x00;
|
|
r->value |= REG02_MTRPWR;
|
|
|
|
if (use_fast_fed)
|
|
r->value |= REG02_FASTFED;
|
|
else
|
|
r->value &= ~REG02_FASTFED;
|
|
|
|
/* in case of automatic go home, move until home sensor */
|
|
if (flags & MOTOR_FLAG_AUTO_GO_HOME)
|
|
r->value |= REG02_AGOHOME | REG02_NOTHOME;
|
|
|
|
/* disable backtracking */
|
|
if ((flags & MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE)
|
|
||(scan_yres>=2400)
|
|
||(scan_yres>=dev->sensor.optical_res))
|
|
r->value |= REG02_ACDCDIS;
|
|
|
|
/* scan and backtracking slope table */
|
|
sanei_genesys_slope_table(scan_table,
|
|
&scan_steps,
|
|
scan_yres,
|
|
exposure,
|
|
dev->motor.base_ydpi,
|
|
scan_step_type,
|
|
factor,
|
|
dev->model->motor_type,
|
|
gl843_motors);
|
|
RIE(gl843_send_slope_table (dev, SCAN_TABLE, scan_table, scan_steps*factor));
|
|
RIE(gl843_send_slope_table (dev, BACKTRACK_TABLE, scan_table, scan_steps*factor));
|
|
|
|
/* STEPNO */
|
|
r = sanei_genesys_get_address (reg, REG_STEPNO);
|
|
r->value = scan_steps;
|
|
|
|
/* FSHDEC */
|
|
r = sanei_genesys_get_address (reg, REG_FSHDEC);
|
|
r->value = scan_steps;
|
|
|
|
/* fast table */
|
|
fast_step_type=0;
|
|
if(scan_step_type<=fast_step_type)
|
|
{
|
|
fast_step_type=scan_step_type;
|
|
}
|
|
sanei_genesys_slope_table(fast_table,
|
|
&fast_steps,
|
|
sanei_genesys_get_lowest_ydpi(dev),
|
|
exposure,
|
|
dev->motor.base_ydpi,
|
|
fast_step_type,
|
|
factor,
|
|
dev->model->motor_type,
|
|
gl843_motors);
|
|
RIE(gl843_send_slope_table (dev, STOP_TABLE, fast_table, fast_steps*factor));
|
|
RIE(gl843_send_slope_table (dev, FAST_TABLE, fast_table, fast_steps*factor));
|
|
RIE(gl843_send_slope_table (dev, HOME_TABLE, fast_table, fast_steps*factor));
|
|
|
|
/* FASTNO */
|
|
r = sanei_genesys_get_address (reg, REG_FASTNO);
|
|
r->value = fast_steps;
|
|
|
|
/* FMOVNO */
|
|
r = sanei_genesys_get_address (reg, REG_FMOVNO);
|
|
r->value = fast_steps;
|
|
|
|
/* substract acceleration distance from feedl */
|
|
feedl=feed_steps;
|
|
feedl<<=scan_step_type;
|
|
|
|
dist = scan_steps;
|
|
if (use_fast_fed)
|
|
{
|
|
dist += fast_steps*2;
|
|
}
|
|
DBG (DBG_io2, "%s: acceleration distance=%d\n", __FUNCTION__, dist);
|
|
|
|
/* get sure when don't insane value : XXX STEF XXX in this case we should
|
|
* fall back to single table move */
|
|
if(dist<feedl)
|
|
feedl -= dist;
|
|
else
|
|
feedl = 1;
|
|
|
|
sanei_genesys_set_triple(reg,REG_FEEDL,feedl);
|
|
DBG (DBG_io, "%s: feedl=%d\n", __FUNCTION__, feedl);
|
|
|
|
/* doesn't seem to matter that much */
|
|
sanei_genesys_calculate_zmode2 (use_fast_fed,
|
|
exposure,
|
|
scan_table,
|
|
scan_steps,
|
|
feedl,
|
|
scan_steps,
|
|
&z1,
|
|
&z2);
|
|
if(scan_yres>600)
|
|
{
|
|
z1=0;
|
|
z2=0;
|
|
}
|
|
|
|
sanei_genesys_set_triple(reg,REG_Z1MOD,z1);
|
|
DBG (DBG_info, "gl843_init_motor_regs_scan: z1 = %d\n", z1);
|
|
|
|
sanei_genesys_set_triple(reg,REG_Z2MOD,z2);
|
|
DBG (DBG_info, "gl843_init_motor_regs_scan: z2 = %d\n", z2);
|
|
|
|
r = sanei_genesys_get_address (reg, REG1E);
|
|
r->value &= 0xf0; /* 0 dummy lines */
|
|
r->value |= scan_dummy; /* dummy lines */
|
|
|
|
r = sanei_genesys_get_address (reg, REG67);
|
|
r->value = 0x3f | (scan_step_type << REG67S_STEPSEL);
|
|
|
|
r = sanei_genesys_get_address (reg, REG68);
|
|
r->value = 0x3f | (scan_step_type << REG68S_FSTPSEL);
|
|
|
|
/* steps for STOP table */
|
|
r = sanei_genesys_get_address (reg, REG_FMOVDEC);
|
|
r->value = fast_steps;
|
|
|
|
/* Vref XXX STEF XXX : optical divider or step type ? */
|
|
r = sanei_genesys_get_address (reg, 0x80);
|
|
if (!(dev->model->flags & GENESYS_FLAG_FULL_HWDPI_MODE))
|
|
{
|
|
r->value = 0x50;
|
|
coeff=dev->sensor.optical_res/sanei_genesys_compute_dpihw(dev, scan_yres);
|
|
if (dev->model->motor_type == MOTOR_KVSS080)
|
|
{
|
|
if(coeff>=1)
|
|
{
|
|
r->value |= 0x05;
|
|
}
|
|
}
|
|
else {
|
|
switch(coeff)
|
|
{
|
|
case 4:
|
|
r->value |= 0x0a;
|
|
break;
|
|
case 2:
|
|
r->value |= 0x0f;
|
|
break;
|
|
case 1:
|
|
r->value |= 0x0f;
|
|
break;
|
|
}
|
|
}
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
|
|
/**@brief compute exposure to use
|
|
* compute the sensor exposure based on target resolution
|
|
*/
|
|
static int gl843_compute_exposure(Genesys_Device *dev, int xres, int flags)
|
|
{
|
|
Sensor_Profile *sensor;
|
|
|
|
sensor=get_sensor_profile(dev->model->ccd_type, xres, flags);
|
|
return sensor->exposure;
|
|
}
|
|
|
|
/** @brief setup optical related registers
|
|
* start and pixels are expressed in optical sensor resolution coordinate
|
|
* space.
|
|
* @param dev device to use
|
|
* @param reg registers to set up
|
|
* @param exposure exposure time to use
|
|
* @param used_res scanning resolution used, may differ from
|
|
* scan's one
|
|
* @param start logical start pixel coordinate
|
|
* @param pixels logical number of pixels to use
|
|
* @param channels number of color channles used (1 or 3)
|
|
* @param depth bit depth of the scan (1, 8 or 16 bits)
|
|
* @param half_ccd SANE_TRUE if timings are such that x coordiantes must be halved
|
|
* @param color_filter to choose the color channel used in gray scans
|
|
* @param flags to drive specific settings such no calibration, XPA use ...
|
|
* @return SANE_STATUS_GOOD if OK
|
|
*/
|
|
static SANE_Status
|
|
gl843_init_optical_regs_scan (Genesys_Device * dev,
|
|
Genesys_Register_Set * reg,
|
|
unsigned int exposure,
|
|
int used_res,
|
|
unsigned int start,
|
|
unsigned int pixels,
|
|
int channels,
|
|
int depth,
|
|
SANE_Bool half_ccd,
|
|
int color_filter,
|
|
int flags)
|
|
{
|
|
unsigned int words_per_line;
|
|
unsigned int startx, endx, used_pixels;
|
|
unsigned int dpiset, dpihw, factor;
|
|
unsigned int bytes;
|
|
unsigned int tgtime; /**> exposure time multiplier */
|
|
unsigned int cksel; /**> clock per system pixel time in capturing image */
|
|
Genesys_Register_Set *r;
|
|
SANE_Status status;
|
|
|
|
DBG (DBG_proc, "gl843_init_optical_regs_scan : exposure=%d, "
|
|
"used_res=%d, start=%d, pixels=%d, channels=%d, depth=%d, "
|
|
"half_ccd=%d, flags=%x\n",
|
|
exposure,
|
|
used_res, start, pixels, channels, depth, half_ccd, flags);
|
|
|
|
/* tgtime */
|
|
tgtime=1;
|
|
if (dev->model->ccd_type == CCD_G4050 && used_res>2400)
|
|
{
|
|
tgtime=2;
|
|
}
|
|
DBG (DBG_io2, "%s: tgtime=%d\n", __FUNCTION__, tgtime);
|
|
|
|
/* to manage high resolution device while keeping good
|
|
* low resolution scanning speed, we make hardware dpi vary */
|
|
dpihw=sanei_genesys_compute_dpihw(dev, used_res);
|
|
factor=dev->sensor.optical_res/dpihw;
|
|
DBG (DBG_io2, "%s: dpihw=%d (factor=%d)\n", __FUNCTION__, dpihw, factor);
|
|
|
|
/* sensor parameters */
|
|
gl843_setup_sensor (dev, reg, dpihw, flags);
|
|
|
|
/* resolution is divided according to CKSEL which is known once sensor is set up */
|
|
r = sanei_genesys_get_address (reg, REG18);
|
|
cksel= (r->value & REG18_CKSEL)+1;
|
|
DBG (DBG_io2, "%s: cksel=%d\n", __FUNCTION__, cksel);
|
|
dpiset = used_res * cksel;
|
|
|
|
/* start and end coordinate in optical dpi coordinates */
|
|
startx = (start + dev->sensor.dummy_pixel * tgtime)/cksel;
|
|
|
|
used_pixels=pixels/cksel;
|
|
endx = startx + used_pixels;
|
|
|
|
/* pixel coordinate factor correction when used dpihw is not maximal one */
|
|
startx/=factor;
|
|
endx/=factor;
|
|
used_pixels=endx-startx;
|
|
|
|
/* in case of stagger we have to start at an odd coordinate */
|
|
if ((flags & OPTICAL_FLAG_STAGGER)
|
|
&&((startx & 1)==0))
|
|
{
|
|
startx++;
|
|
endx++;
|
|
}
|
|
|
|
status = gl843_set_fe (dev, AFE_SET);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to set frontend: %s\n", __FUNCTION__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* enable shading */
|
|
r = sanei_genesys_get_address (reg, REG01);
|
|
r->value &= ~REG01_SCAN;
|
|
if ((flags & OPTICAL_FLAG_DISABLE_SHADING) || (dev->model->flags & GENESYS_FLAG_NO_CALIBRATION))
|
|
{
|
|
r->value &= ~REG01_DVDSET;
|
|
}
|
|
else
|
|
{
|
|
r->value |= REG01_DVDSET;
|
|
}
|
|
if(dpihw>600)
|
|
{
|
|
r->value |= REG01_SHDAREA;
|
|
}
|
|
else
|
|
{
|
|
r->value &= ~REG01_SHDAREA;
|
|
}
|
|
|
|
r = sanei_genesys_get_address (reg, REG03);
|
|
r->value &= ~REG03_AVEENB;
|
|
if (flags & OPTICAL_FLAG_DISABLE_LAMP)
|
|
r->value &= ~REG03_LAMPPWR;
|
|
else
|
|
r->value |= REG03_LAMPPWR;
|
|
|
|
/* select XPA */
|
|
r->value &= ~REG03_XPASEL;
|
|
if (flags & OPTICAL_FLAG_USE_XPA)
|
|
{
|
|
r->value |= REG03_XPASEL;
|
|
}
|
|
|
|
/* BW threshold */
|
|
r = sanei_genesys_get_address (reg, REG2E);
|
|
r->value = dev->settings.threshold;
|
|
r = sanei_genesys_get_address (reg, REG2F);
|
|
r->value = dev->settings.threshold;
|
|
|
|
/* monochrome / color scan */
|
|
r = sanei_genesys_get_address (reg, REG04);
|
|
switch (depth)
|
|
{
|
|
case 1:
|
|
r->value &= ~REG04_BITSET;
|
|
r->value |= REG04_LINEART;
|
|
break;
|
|
case 8:
|
|
r->value &= ~(REG04_LINEART | REG04_BITSET);
|
|
break;
|
|
case 16:
|
|
r->value &= ~REG04_LINEART;
|
|
r->value |= REG04_BITSET;
|
|
break;
|
|
}
|
|
|
|
r->value &= ~(REG04_FILTER | REG04_AFEMOD);
|
|
if (channels == 1)
|
|
{
|
|
switch (color_filter)
|
|
{
|
|
case 0:
|
|
r->value |= 0x14; /* red filter */
|
|
break;
|
|
case 2:
|
|
r->value |= 0x1c; /* blue filter */
|
|
break;
|
|
default:
|
|
r->value |= 0x18; /* green filter */
|
|
break;
|
|
}
|
|
}
|
|
else
|
|
r->value |= 0x10; /* mono */
|
|
|
|
/* register 05 */
|
|
r = sanei_genesys_get_address (reg, REG05);
|
|
|
|
/* set up dpihw */
|
|
r->value &= ~REG05_DPIHW;
|
|
switch(dpihw)
|
|
{
|
|
case 600:
|
|
r->value |= REG05_DPIHW_600;
|
|
break;
|
|
case 1200:
|
|
r->value |= REG05_DPIHW_1200;
|
|
break;
|
|
case 2400:
|
|
r->value |= REG05_DPIHW_2400;
|
|
break;
|
|
case 4800:
|
|
r->value |= REG05_DPIHW_4800;
|
|
break;
|
|
}
|
|
|
|
/* enable gamma tables */
|
|
if (flags & OPTICAL_FLAG_DISABLE_GAMMA)
|
|
r->value &= ~REG05_GMMENB;
|
|
else
|
|
r->value |= REG05_GMMENB;
|
|
|
|
if(half_ccd)
|
|
{
|
|
sanei_genesys_set_double(reg,REG_DPISET,dpiset*4);
|
|
DBG (DBG_io2, "%s: dpiset used=%d\n", __FUNCTION__, dpiset*4);
|
|
}
|
|
else
|
|
{
|
|
sanei_genesys_set_double(reg,REG_DPISET,dpiset);
|
|
DBG (DBG_io2, "%s: dpiset used=%d\n", __FUNCTION__, dpiset);
|
|
}
|
|
|
|
sanei_genesys_set_double(reg,REG_STRPIXEL,startx/tgtime);
|
|
sanei_genesys_set_double(reg,REG_ENDPIXEL,endx/tgtime);
|
|
|
|
/* words(16bit) before gamma, conversion to 8 bit or lineart */
|
|
words_per_line = (used_pixels * dpiset) / dpihw;
|
|
bytes = depth / 8;
|
|
if (depth == 1)
|
|
{
|
|
words_per_line = (words_per_line >> 3) + ((words_per_line & 7) ? 1 : 0);
|
|
}
|
|
else
|
|
{
|
|
words_per_line *= bytes;
|
|
}
|
|
|
|
dev->wpl = words_per_line;
|
|
dev->bpl = words_per_line;
|
|
|
|
DBG (DBG_io2, "%s: used_pixels=%d\n", __FUNCTION__, used_pixels);
|
|
DBG (DBG_io2, "%s: pixels =%d\n", __FUNCTION__, pixels);
|
|
DBG (DBG_io2, "%s: depth =%d\n", __FUNCTION__, depth);
|
|
DBG (DBG_io2, "%s: dev->bpl =%lu\n", __FUNCTION__, (unsigned long) dev->bpl);
|
|
DBG (DBG_io2, "%s: dev->len =%lu\n", __FUNCTION__, (unsigned long)dev->len);
|
|
DBG (DBG_io2, "%s: dev->dist =%lu\n", __FUNCTION__, (unsigned long)dev->dist);
|
|
|
|
words_per_line *= channels;
|
|
|
|
/* MAXWD is expressed in 2 words unit */
|
|
/* nousedspace = (mem_bank_range * 1024 / 256 -1 ) * 4; */
|
|
sanei_genesys_set_triple(reg,REG_MAXWD,(words_per_line)>>1);
|
|
DBG (DBG_io2, "%s: words_per_line used=%d\n", __FUNCTION__, words_per_line);
|
|
|
|
sanei_genesys_set_double(reg,REG_LPERIOD,exposure/tgtime);
|
|
DBG (DBG_io2, "%s: exposure used=%d\n", __FUNCTION__, exposure/tgtime);
|
|
|
|
r = sanei_genesys_get_address (reg, REG_DUMMY);
|
|
r->value = dev->sensor.dummy_pixel * tgtime;
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* set up registers for an actual scan
|
|
*
|
|
* this function sets up the scanner to scan in normal or single line mode
|
|
*/
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl843_init_scan_regs (Genesys_Device * dev,
|
|
Genesys_Register_Set * reg,
|
|
float xres, /*dpi */
|
|
float yres, /*dpi */
|
|
float startx, /*optical_res, from dummy_pixel+1 */
|
|
float starty, /*base_ydpi, from home! */
|
|
float pixels,
|
|
float lines,
|
|
unsigned int depth,
|
|
unsigned int channels,
|
|
int scan_mode,
|
|
int color_filter,
|
|
unsigned int flags)
|
|
{
|
|
int used_res;
|
|
int start, used_pixels;
|
|
int bytes_per_line;
|
|
int move;
|
|
unsigned int lincnt; /**> line count to scan */
|
|
unsigned int oflags, mflags; /**> optical and motor flags */
|
|
int exposure;
|
|
int stagger;
|
|
|
|
int slope_dpi = 0;
|
|
int dummy = 0;
|
|
int scan_step_type = 1;
|
|
int scan_power_mode = 0;
|
|
int max_shift;
|
|
size_t requested_buffer_size, read_buffer_size;
|
|
|
|
SANE_Bool half_ccd; /* false: full CCD res is used, true, half max CCD res is used */
|
|
int optical_res;
|
|
SANE_Status status;
|
|
|
|
DBG (DBG_info,
|
|
"gl843_init_scan_regs settings:\n"
|
|
"Resolution : %gDPI/%gDPI\n"
|
|
"Lines : %g\n"
|
|
"PPL : %g\n"
|
|
"Startpos : %g/%g\n"
|
|
"Depth/Channels: %u/%u\n"
|
|
"Flags : %x\n\n",
|
|
xres, yres, lines, pixels, startx, starty, depth, channels, flags);
|
|
|
|
|
|
/* we have 2 domains for ccd: xres below or above half ccd max dpi */
|
|
if (dev->sensor.optical_res < 4 * xres ||
|
|
!(dev->model->flags & GENESYS_FLAG_HALF_CCD_MODE))
|
|
{
|
|
half_ccd = SANE_FALSE;
|
|
}
|
|
else
|
|
{
|
|
half_ccd = SANE_TRUE;
|
|
}
|
|
|
|
/* optical_res */
|
|
optical_res = dev->sensor.optical_res;
|
|
if (half_ccd)
|
|
optical_res /= 4;
|
|
|
|
/* stagger starting at 2400, and not applied for calibration */
|
|
stagger = 0;
|
|
if ( (yres>1200)
|
|
&& ((flags & SCAN_FLAG_IGNORE_LINE_DISTANCE)==0)
|
|
&& (dev->model->flags & GENESYS_FLAG_STAGGERED_LINE))
|
|
{
|
|
stagger = (4 * yres) / dev->motor.base_ydpi;
|
|
}
|
|
DBG (DBG_info, "%s : stagger=%d lines\n", __FUNCTION__, stagger);
|
|
|
|
/* we enable true gray for cis scanners only, and just when doing
|
|
* scan since color calibration is OK for this mode
|
|
*/
|
|
oflags = 0;
|
|
if (flags & SCAN_FLAG_DISABLE_SHADING)
|
|
oflags |= OPTICAL_FLAG_DISABLE_SHADING;
|
|
if (flags & SCAN_FLAG_DISABLE_GAMMA)
|
|
oflags |= OPTICAL_FLAG_DISABLE_GAMMA;
|
|
if (flags & SCAN_FLAG_DISABLE_LAMP)
|
|
oflags |= OPTICAL_FLAG_DISABLE_LAMP;
|
|
if (flags & SCAN_FLAG_CALIBRATION)
|
|
oflags |= OPTICAL_FLAG_DISABLE_DOUBLE;
|
|
if(stagger)
|
|
oflags |= OPTICAL_FLAG_STAGGER;
|
|
if (flags & SCAN_FLAG_USE_XPA)
|
|
oflags |= OPTICAL_FLAG_USE_XPA;
|
|
|
|
/** @brief compute used resolution */
|
|
if (flags & SCAN_FLAG_USE_OPTICAL_RES)
|
|
{
|
|
used_res = optical_res;
|
|
}
|
|
else
|
|
{
|
|
/* resolution is choosen from a fixed list and can be used directly
|
|
* unless we have ydpi higher than sensor's maximum one */
|
|
if(xres>optical_res)
|
|
used_res=optical_res;
|
|
else
|
|
used_res = xres;
|
|
}
|
|
|
|
/* compute scan parameters values */
|
|
/* pixels are allways given at full optical resolution */
|
|
/* use detected left margin and fixed value */
|
|
/* start */
|
|
start = startx;
|
|
|
|
/* compute correct pixels number */
|
|
used_pixels = (pixels * optical_res) / xres;
|
|
DBG (DBG_info, "%s: used_pixels=%d\n", __FUNCTION__, used_pixels);
|
|
|
|
/* round up pixels number if needed */
|
|
if (used_pixels * xres < pixels * optical_res)
|
|
used_pixels++;
|
|
|
|
/* we want even number of pixels here */
|
|
if(used_pixels & 1)
|
|
used_pixels++;
|
|
|
|
dummy = 0;
|
|
/* dummy = 1; XXX STEF XXX */
|
|
|
|
/* slope_dpi */
|
|
/* cis color scan is effectively a gray scan with 3 gray lines per color line and a FILTER of 0 */
|
|
if (dev->model->is_cis)
|
|
slope_dpi = yres * channels;
|
|
else
|
|
slope_dpi = yres;
|
|
slope_dpi = slope_dpi * (1 + dummy);
|
|
|
|
/* scan_step_type */
|
|
if(flags & SCAN_FLAG_FEEDING)
|
|
{
|
|
exposure=gl843_compute_exposure (dev, sanei_genesys_get_lowest_ydpi(dev), oflags);
|
|
scan_step_type=sanei_genesys_compute_step_type (gl843_motors, dev->model->motor_type, exposure);
|
|
}
|
|
else
|
|
{
|
|
exposure = gl843_compute_exposure (dev, used_res, oflags);
|
|
scan_step_type = sanei_genesys_compute_step_type(gl843_motors, dev->model->motor_type, exposure);
|
|
}
|
|
|
|
DBG (DBG_info, "%s : exposure=%d pixels\n", __FUNCTION__, exposure);
|
|
DBG (DBG_info, "%s : scan_step_type=%d\n", __FUNCTION__, scan_step_type);
|
|
|
|
/*** optical parameters ***/
|
|
/* in case of dynamic lineart, we use an internal 8 bit gray scan
|
|
* to generate 1 lineart data */
|
|
if ((flags & SCAN_FLAG_DYNAMIC_LINEART) && (scan_mode == SCAN_MODE_LINEART))
|
|
{
|
|
depth = 8;
|
|
}
|
|
/* no 16 bit gamma for this ASIC */
|
|
if (depth == 16)
|
|
{
|
|
flags |= SCAN_FLAG_DISABLE_GAMMA;
|
|
oflags |= OPTICAL_FLAG_DISABLE_GAMMA;
|
|
}
|
|
|
|
/* now _LOGICAL_ optical values used are known, setup registers */
|
|
status = gl843_init_optical_regs_scan (dev,
|
|
reg,
|
|
exposure,
|
|
used_res,
|
|
start,
|
|
used_pixels,
|
|
channels,
|
|
depth,
|
|
half_ccd,
|
|
color_filter,
|
|
oflags);
|
|
if (status != SANE_STATUS_GOOD)
|
|
return status;
|
|
|
|
/*** motor parameters ***/
|
|
|
|
/* it seems base_dpi of the G4050 motor is changed above 600 dpi*/
|
|
if (dev->model->motor_type == MOTOR_G4050 && yres>600)
|
|
{
|
|
dev->ld_shift_r = (dev->model->ld_shift_r*3800)/dev->motor.base_ydpi;
|
|
dev->ld_shift_g = (dev->model->ld_shift_g*3800)/dev->motor.base_ydpi;
|
|
dev->ld_shift_b = (dev->model->ld_shift_b*3800)/dev->motor.base_ydpi;
|
|
}
|
|
else
|
|
{
|
|
dev->ld_shift_r = dev->model->ld_shift_r;
|
|
dev->ld_shift_g = dev->model->ld_shift_g;
|
|
dev->ld_shift_b = dev->model->ld_shift_b;
|
|
}
|
|
|
|
/* max_shift */
|
|
/* scanned area must be enlarged by max color shift needed */
|
|
max_shift=sanei_genesys_compute_max_shift(dev,channels,yres,flags);
|
|
|
|
/* lines to scan */
|
|
lincnt = lines + max_shift + stagger;
|
|
|
|
/* add tl_y to base movement */
|
|
move = starty;
|
|
DBG (DBG_info, "gl843_init_scan_regs: move=%d steps\n", move);
|
|
|
|
|
|
mflags=0;
|
|
if(flags & SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE)
|
|
mflags|=MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE;
|
|
if(flags & SCAN_FLAG_FEEDING)
|
|
mflags|=MOTOR_FLAG_FEED;
|
|
if (flags & SCAN_FLAG_USE_XPA)
|
|
mflags |= MOTOR_FLAG_USE_XPA;
|
|
|
|
status = gl843_init_motor_regs_scan (dev,
|
|
reg,
|
|
exposure,
|
|
slope_dpi,
|
|
scan_step_type,
|
|
dev->model->is_cis ? lincnt * channels : lincnt,
|
|
dummy,
|
|
move,
|
|
scan_power_mode,
|
|
mflags);
|
|
if (status != SANE_STATUS_GOOD)
|
|
return status;
|
|
|
|
/*** prepares data reordering ***/
|
|
|
|
/* words_per_line */
|
|
bytes_per_line = (used_pixels * used_res) / optical_res;
|
|
bytes_per_line = (bytes_per_line * channels * depth) / 8;
|
|
|
|
/* since we don't have sheetfed scanners to handle,
|
|
* use huge read buffer */
|
|
/* TODO find the best size according to settings */
|
|
requested_buffer_size = 16 * bytes_per_line;
|
|
|
|
read_buffer_size =
|
|
2 * requested_buffer_size +
|
|
((max_shift + stagger) * used_pixels * channels * depth) / 8;
|
|
|
|
RIE (sanei_genesys_buffer_free (&(dev->read_buffer)));
|
|
RIE (sanei_genesys_buffer_alloc (&(dev->read_buffer), read_buffer_size));
|
|
|
|
RIE (sanei_genesys_buffer_free (&(dev->lines_buffer)));
|
|
RIE (sanei_genesys_buffer_alloc (&(dev->lines_buffer), read_buffer_size));
|
|
|
|
RIE (sanei_genesys_buffer_free (&(dev->shrink_buffer)));
|
|
RIE (sanei_genesys_buffer_alloc (&(dev->shrink_buffer),
|
|
requested_buffer_size));
|
|
|
|
RIE (sanei_genesys_buffer_free (&(dev->out_buffer)));
|
|
RIE (sanei_genesys_buffer_alloc (&(dev->out_buffer),
|
|
(8 * dev->settings.pixels * channels *
|
|
depth) / 8));
|
|
|
|
|
|
dev->read_bytes_left = bytes_per_line * lincnt;
|
|
|
|
DBG (DBG_info,
|
|
"gl843_init_scan_regs: physical bytes to read = %lu\n",
|
|
(u_long) dev->read_bytes_left);
|
|
dev->read_active = SANE_TRUE;
|
|
|
|
|
|
dev->current_setup.pixels = (used_pixels * used_res) / optical_res;
|
|
DBG (DBG_info, "%s: current_setup.pixels=%d\n", __FUNCTION__, dev->current_setup.pixels);
|
|
dev->current_setup.lines = lincnt;
|
|
dev->current_setup.depth = depth;
|
|
dev->current_setup.channels = channels;
|
|
dev->current_setup.exposure_time = exposure;
|
|
dev->current_setup.xres = used_res;
|
|
dev->current_setup.yres = yres;
|
|
dev->current_setup.half_ccd = half_ccd;
|
|
dev->current_setup.stagger = stagger;
|
|
dev->current_setup.max_shift = max_shift + stagger;
|
|
|
|
dev->total_bytes_read = 0;
|
|
if (depth == 1)
|
|
dev->total_bytes_to_read =
|
|
((dev->settings.pixels * dev->settings.lines) / 8 +
|
|
(((dev->settings.pixels * dev->settings.lines) % 8) ? 1 : 0)) *
|
|
channels;
|
|
else
|
|
dev->total_bytes_to_read =
|
|
dev->settings.pixels * dev->settings.lines * channels * (depth / 8);
|
|
|
|
DBG (DBG_info, "gl843_init_scan_regs: total bytes to send = %lu\n",
|
|
(u_long) dev->total_bytes_to_read);
|
|
|
|
DBG (DBG_proc, "gl843_init_scan_regs: completed\n");
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
static SANE_Status
|
|
gl843_calculate_current_setup (Genesys_Device * dev)
|
|
{
|
|
int channels;
|
|
int depth;
|
|
int start;
|
|
|
|
float xres; /*dpi */
|
|
float yres; /*dpi */
|
|
float startx; /*optical_res, from dummy_pixel+1 */
|
|
float pixels;
|
|
float lines;
|
|
|
|
int used_res;
|
|
int used_pixels;
|
|
unsigned int lincnt;
|
|
int exposure;
|
|
int stagger;
|
|
|
|
int max_shift;
|
|
|
|
SANE_Bool half_ccd; /* false: full CCD res is used, true, half max CCD res is used */
|
|
int optical_res;
|
|
int oflags;
|
|
|
|
DBG (DBG_info,
|
|
"gl843_calculate_current_setup settings:\n"
|
|
"Resolution: %ux%uDPI\n"
|
|
"Lines : %u\n"
|
|
"PPL : %u\n"
|
|
"Startpos : %.3f/%.3f\n"
|
|
"Scan mode : %d\n\n",
|
|
dev->settings.xres,
|
|
dev->settings.yres, dev->settings.lines, dev->settings.pixels,
|
|
dev->settings.tl_x, dev->settings.tl_y, dev->settings.scan_mode);
|
|
|
|
/* channels */
|
|
if (dev->settings.scan_mode == SCAN_MODE_COLOR) /* single pass color */
|
|
channels = 3;
|
|
else
|
|
channels = 1;
|
|
|
|
/* depth */
|
|
depth = dev->settings.depth;
|
|
if (dev->settings.scan_mode == SCAN_MODE_LINEART)
|
|
depth = 1;
|
|
|
|
/* start */
|
|
start = SANE_UNFIX (dev->model->x_offset);
|
|
start += dev->settings.tl_x;
|
|
start = (start * dev->sensor.optical_res) / MM_PER_INCH;
|
|
|
|
/* optical flags */
|
|
oflags=0;
|
|
if(dev->settings.scan_method==SCAN_METHOD_TRANSPARENCY)
|
|
{
|
|
oflags=OPTICAL_FLAG_USE_XPA;
|
|
}
|
|
|
|
xres = dev->settings.xres;
|
|
yres = dev->settings.yres;
|
|
startx = start;
|
|
pixels = dev->settings.pixels;
|
|
lines = dev->settings.lines;
|
|
|
|
DBG (DBG_info,
|
|
"gl843_calculate_current_setup settings:\n"
|
|
"Resolution : %gDPI/%gDPI\n"
|
|
"Lines : %g\n"
|
|
"PPL : %g\n"
|
|
"Startpos : %g\n"
|
|
"Depth/Channels: %u/%u\n\n",
|
|
xres, yres, lines, pixels, startx, depth, channels);
|
|
|
|
/* half_ccd */
|
|
/* we have 2 domains for ccd: xres below or above half ccd max dpi */
|
|
if ((dev->sensor.optical_res < 4 * xres) ||
|
|
!(dev->model->flags & GENESYS_FLAG_HALF_CCD_MODE))
|
|
{
|
|
half_ccd = SANE_FALSE;
|
|
}
|
|
else
|
|
{
|
|
half_ccd = SANE_TRUE;
|
|
}
|
|
|
|
|
|
/* optical_res */
|
|
optical_res = dev->sensor.optical_res;
|
|
if (half_ccd)
|
|
optical_res /= 4;
|
|
|
|
/* stagger */
|
|
if ((!half_ccd) && (dev->model->flags & GENESYS_FLAG_STAGGERED_LINE))
|
|
stagger = (4 * yres) / dev->motor.base_ydpi;
|
|
else
|
|
stagger = 0;
|
|
DBG (DBG_info, "%s: stagger=%d lines\n", __FUNCTION__, stagger);
|
|
|
|
if(xres<=optical_res)
|
|
used_res = xres;
|
|
else
|
|
used_res=optical_res;
|
|
|
|
/* compute scan parameters values */
|
|
/* pixels are allways given at half or full CCD optical resolution */
|
|
/* use detected left margin and fixed value */
|
|
|
|
/* compute correct pixels number */
|
|
used_pixels = (pixels * optical_res) / xres;
|
|
DBG (DBG_info, "%s: used_pixels=%d\n", __FUNCTION__, used_pixels);
|
|
|
|
/* exposure */
|
|
exposure = gl843_compute_exposure (dev, used_res, oflags);
|
|
DBG (DBG_info, "%s : exposure=%d pixels\n", __FUNCTION__, exposure);
|
|
|
|
/* it seems base_dpi of the G4050 motor is changed above 600 dpi*/
|
|
if (dev->model->motor_type == MOTOR_G4050 && yres>600)
|
|
{
|
|
dev->ld_shift_r = (dev->model->ld_shift_r*3800)/dev->motor.base_ydpi;
|
|
dev->ld_shift_g = (dev->model->ld_shift_g*3800)/dev->motor.base_ydpi;
|
|
dev->ld_shift_b = (dev->model->ld_shift_b*3800)/dev->motor.base_ydpi;
|
|
}
|
|
else
|
|
{
|
|
dev->ld_shift_r = dev->model->ld_shift_r;
|
|
dev->ld_shift_g = dev->model->ld_shift_g;
|
|
dev->ld_shift_b = dev->model->ld_shift_b;
|
|
}
|
|
|
|
/* scanned area must be enlarged by max color shift needed */
|
|
max_shift=sanei_genesys_compute_max_shift(dev,channels,yres,0);
|
|
|
|
/* lincnt */
|
|
lincnt = lines + max_shift + stagger;
|
|
|
|
dev->current_setup.pixels = (used_pixels * used_res) / optical_res;
|
|
DBG (DBG_info, "%s: current_setup.pixels=%d\n", __FUNCTION__, dev->current_setup.pixels);
|
|
dev->current_setup.lines = lincnt;
|
|
dev->current_setup.depth = depth;
|
|
dev->current_setup.channels = channels;
|
|
dev->current_setup.exposure_time = exposure;
|
|
dev->current_setup.xres = used_res;
|
|
dev->current_setup.yres = yres;
|
|
dev->current_setup.half_ccd = half_ccd;
|
|
dev->current_setup.stagger = stagger;
|
|
dev->current_setup.max_shift = max_shift + stagger;
|
|
|
|
DBG (DBG_proc, "gl843_calculate_current_setup: completed\n");
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
static void
|
|
gl843_set_motor_power (Genesys_Register_Set * regs, SANE_Bool set)
|
|
{
|
|
|
|
DBG (DBG_proc, "gl843_set_motor_power\n");
|
|
|
|
if (set)
|
|
{
|
|
sanei_genesys_set_reg_from_set (regs, REG02,
|
|
sanei_genesys_read_reg_from_set (regs,
|
|
REG02)
|
|
| REG02_MTRPWR);
|
|
}
|
|
else
|
|
{
|
|
sanei_genesys_set_reg_from_set (regs, REG02,
|
|
sanei_genesys_read_reg_from_set (regs,
|
|
REG02)
|
|
& ~REG02_MTRPWR);
|
|
}
|
|
}
|
|
|
|
static void
|
|
gl843_set_lamp_power (Genesys_Device * dev,
|
|
Genesys_Register_Set * regs, SANE_Bool set)
|
|
{
|
|
Genesys_Register_Set *r;
|
|
int i;
|
|
uint8_t val;
|
|
|
|
val = sanei_genesys_read_reg_from_set (regs, REG03);
|
|
if (set)
|
|
{
|
|
val |= REG03_LAMPPWR;
|
|
sanei_genesys_set_reg_from_set (regs, REG03, val);
|
|
for (i = 0; i < 6; i++)
|
|
{
|
|
r = sanei_genesys_get_address (regs, 0x10 + i);
|
|
r->value = dev->sensor.regs_0x10_0x1d[i];
|
|
}
|
|
}
|
|
else
|
|
{
|
|
val &= ~REG03_LAMPPWR;
|
|
sanei_genesys_set_reg_from_set (regs, REG03, val);
|
|
for (i = 0; i < 6; i++)
|
|
{
|
|
r = sanei_genesys_get_address (regs, 0x10 + i);
|
|
r->value = 0x00;
|
|
}
|
|
}
|
|
}
|
|
|
|
/**
|
|
* for fast power saving methods only, like disabling certain amplifiers
|
|
* @param dev device to use
|
|
* @param enable true to set inot powersaving
|
|
* */
|
|
static SANE_Status
|
|
gl843_save_power (Genesys_Device * dev, SANE_Bool enable)
|
|
{
|
|
uint8_t val;
|
|
SANE_Status status;
|
|
|
|
DBG (DBG_proc, "gl843_save_power: enable = %d\n", enable);
|
|
if (dev == NULL)
|
|
return SANE_STATUS_INVAL;
|
|
|
|
/* switch KV-SS080 lamp off */
|
|
if (dev->model->gpo_type == GPO_KVSS080)
|
|
{
|
|
RIE(sanei_genesys_read_register (dev, REG6C, &val));
|
|
if(enable)
|
|
val &= 0xef;
|
|
else
|
|
val |= 0x10;
|
|
RIE(sanei_genesys_write_register(dev,REG6C,val));
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
static SANE_Status
|
|
gl843_set_powersaving (Genesys_Device * dev, int delay /* in minutes */ )
|
|
{
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
|
|
DBG (DBG_proc, "gl843_set_powersaving (delay = %d)\n", delay);
|
|
if (dev == NULL)
|
|
return SANE_STATUS_INVAL;
|
|
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl843_start_action (Genesys_Device * dev)
|
|
{
|
|
return sanei_genesys_write_register (dev, 0x0f, 0x01);
|
|
}
|
|
|
|
static SANE_Status
|
|
gl843_stop_action (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status;
|
|
uint8_t val40, val;
|
|
unsigned int loop;
|
|
|
|
DBG (DBG_proc, "%s\n", __FUNCTION__);
|
|
|
|
status = sanei_genesys_get_status (dev, &val);
|
|
if (DBG_LEVEL >= DBG_io)
|
|
{
|
|
sanei_genesys_print_status (val);
|
|
}
|
|
|
|
val40 = 0;
|
|
status = sanei_genesys_read_register (dev, REG40, &val40);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"%s: failed to read home sensor: %s\n", __FUNCTION__,
|
|
sane_strstatus (status));
|
|
DBG (DBG_proc, "%s: completed\n", __FUNCTION__);
|
|
return status;
|
|
}
|
|
|
|
/* only stop action if needed */
|
|
if (!(val40 & REG40_DATAENB) && !(val40 & REG40_MOTMFLG))
|
|
{
|
|
DBG (DBG_info, "%s: already stopped\n", __FUNCTION__);
|
|
DBG (DBG_proc, "%s: completed\n", __FUNCTION__);
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* ends scan 646 */
|
|
val = sanei_genesys_read_reg_from_set (dev->reg, REG01);
|
|
val &= ~REG01_SCAN;
|
|
sanei_genesys_set_reg_from_set (dev->reg, REG01, val);
|
|
status = sanei_genesys_write_register (dev, REG01, val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to write register 01: %s\n", __FUNCTION__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
usleep (100 * 1000);
|
|
|
|
loop = 10;
|
|
while (loop > 0)
|
|
{
|
|
status = sanei_genesys_get_status (dev, &val);
|
|
if (DBG_LEVEL >= DBG_io)
|
|
{
|
|
sanei_genesys_print_status (val);
|
|
}
|
|
val40 = 0;
|
|
status = sanei_genesys_read_register (dev, 0x40, &val40);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"%s: failed to read home sensor: %s\n", __FUNCTION__,
|
|
sane_strstatus (status));
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/* if scanner is in command mode, we are done */
|
|
if (!(val40 & REG40_DATAENB) && !(val40 & REG40_MOTMFLG)
|
|
&& !(val & REG41_MOTORENB))
|
|
{
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
usleep (100 * 1000);
|
|
loop--;
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_IO_ERROR;
|
|
}
|
|
|
|
static SANE_Status
|
|
gl843_get_paper_sensor (Genesys_Device * dev, SANE_Bool * paper_loaded)
|
|
{
|
|
SANE_Status status;
|
|
uint8_t val;
|
|
|
|
status = sanei_genesys_read_register (dev, REG6D, &val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_get_paper_sensor: failed to read gpio: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
*paper_loaded = (val & 0x1) == 0;
|
|
return SANE_STATUS_GOOD;
|
|
|
|
return SANE_STATUS_INVAL;
|
|
}
|
|
|
|
static SANE_Status
|
|
gl843_eject_document (Genesys_Device * dev)
|
|
{
|
|
DBG (DBG_proc, "%s: not implemented \n", __FUNCTION__);
|
|
if (dev == NULL)
|
|
return SANE_STATUS_INVAL;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
|
|
static SANE_Status
|
|
gl843_load_document (Genesys_Device * dev)
|
|
{
|
|
DBG (DBG_proc, "%s: not implemented \n", __FUNCTION__);
|
|
if (dev == NULL)
|
|
return SANE_STATUS_INVAL;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/**
|
|
* detects end of document and adjust current scan
|
|
* to take it into account
|
|
* used by sheetfed scanners
|
|
*/
|
|
static SANE_Status
|
|
gl843_detect_document_end (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
SANE_Bool paper_loaded;
|
|
unsigned int scancnt = 0;
|
|
int flines, channels, depth, bytes_remain, sublines,
|
|
bytes_to_flush, lines, sub_bytes, tmp, read_bytes_left;
|
|
DBG (DBG_proc, "%s: begin\n", __FUNCTION__);
|
|
|
|
RIE (gl843_get_paper_sensor (dev, &paper_loaded));
|
|
|
|
/* sheetfed scanner uses home sensor as paper present */
|
|
if ((dev->document == SANE_TRUE) && !paper_loaded)
|
|
{
|
|
DBG (DBG_info, "%s: no more document\n", __FUNCTION__);
|
|
dev->document = SANE_FALSE;
|
|
|
|
channels = dev->current_setup.channels;
|
|
depth = dev->current_setup.depth;
|
|
read_bytes_left = (int) dev->read_bytes_left;
|
|
DBG (DBG_io, "gl843_detect_document_end: read_bytes_left=%d\n",
|
|
read_bytes_left);
|
|
|
|
/* get lines read */
|
|
status = sanei_genesys_read_scancnt (dev, &scancnt);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
flines = 0;
|
|
}
|
|
else
|
|
{
|
|
/* compute number of line read */
|
|
tmp = (int) dev->total_bytes_read;
|
|
if (depth == 1 || dev->settings.scan_mode == SCAN_MODE_LINEART)
|
|
flines = tmp * 8 / dev->settings.pixels / channels;
|
|
else
|
|
flines = tmp / (depth / 8) / dev->settings.pixels / channels;
|
|
|
|
/* number of scanned lines, but no read yet */
|
|
flines = scancnt - flines;
|
|
|
|
DBG (DBG_io,
|
|
"gl843_detect_document_end: %d scanned but not read lines\n",
|
|
flines);
|
|
}
|
|
|
|
/* adjust number of bytes to read
|
|
* we need to read the final bytes which are word per line * number of last lines
|
|
* to have doc leaving feeder */
|
|
lines =
|
|
(SANE_UNFIX (dev->model->post_scan) * dev->current_setup.yres) /
|
|
MM_PER_INCH + flines;
|
|
DBG (DBG_io, "gl843_detect_document_end: adding %d line to flush\n",
|
|
lines);
|
|
|
|
/* number of bytes to read from scanner to get document out of it after
|
|
* end of document dectected by hardware sensor */
|
|
bytes_to_flush = lines * dev->wpl;
|
|
|
|
/* if we are already close to end of scan, flushing isn't needed */
|
|
if (bytes_to_flush < read_bytes_left)
|
|
{
|
|
/* we take all these step to work around an overflow on some plateforms */
|
|
tmp = (int) dev->total_bytes_read;
|
|
DBG (DBG_io, "gl843_detect_document_end: tmp=%d\n", tmp);
|
|
bytes_remain = (int) dev->total_bytes_to_read;
|
|
DBG (DBG_io, "gl843_detect_document_end: bytes_remain=%d\n",
|
|
bytes_remain);
|
|
bytes_remain = bytes_remain - tmp;
|
|
DBG (DBG_io, "gl843_detect_document_end: bytes_remain=%d\n",
|
|
bytes_remain);
|
|
|
|
/* remaining lines to read by frontend for the current scan */
|
|
if (depth == 1 || dev->settings.scan_mode == SCAN_MODE_LINEART)
|
|
{
|
|
flines = bytes_remain * 8 / dev->settings.pixels / channels;
|
|
}
|
|
else
|
|
flines = bytes_remain / (depth / 8)
|
|
/ dev->settings.pixels / channels;
|
|
DBG (DBG_io, "gl843_detect_document_end: flines=%d\n", flines);
|
|
|
|
if (flines > lines)
|
|
{
|
|
/* change the value controlling communication with the frontend :
|
|
* total bytes to read is current value plus the number of remaining lines
|
|
* multiplied by bytes per line */
|
|
sublines = flines - lines;
|
|
|
|
if (depth == 1 || dev->settings.scan_mode == SCAN_MODE_LINEART)
|
|
sub_bytes =
|
|
((dev->settings.pixels * sublines) / 8 +
|
|
(((dev->settings.pixels * sublines) % 8) ? 1 : 0)) *
|
|
channels;
|
|
else
|
|
sub_bytes =
|
|
dev->settings.pixels * sublines * channels * (depth / 8);
|
|
|
|
dev->total_bytes_to_read -= sub_bytes;
|
|
|
|
/* then adjust the physical bytes to read */
|
|
if (read_bytes_left > sub_bytes)
|
|
{
|
|
dev->read_bytes_left -= sub_bytes;
|
|
}
|
|
else
|
|
{
|
|
dev->total_bytes_to_read = dev->total_bytes_read;
|
|
dev->read_bytes_left = 0;
|
|
}
|
|
|
|
DBG (DBG_io, "gl843_detect_document_end: sublines=%d\n",
|
|
sublines);
|
|
DBG (DBG_io, "gl843_detect_document_end: subbytes=%d\n",
|
|
sub_bytes);
|
|
DBG (DBG_io,
|
|
"gl843_detect_document_end: total_bytes_to_read=%lu\n",
|
|
(unsigned long) dev->total_bytes_to_read);
|
|
DBG (DBG_io,
|
|
"gl843_detect_document_end: read_bytes_left=%d\n",
|
|
read_bytes_left);
|
|
}
|
|
}
|
|
else
|
|
{
|
|
DBG (DBG_io, "gl843_detect_document_end: no flushing needed\n");
|
|
}
|
|
}
|
|
|
|
DBG (DBG_proc, "%s: finished\n", __FUNCTION__);
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/** @brief disable XPA slider motor
|
|
* toggle gpios to switch disble XPA slider motor
|
|
* @param dev device to set up
|
|
*/
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status gl843_xpa_motor_off(Genesys_Device *dev)
|
|
{
|
|
uint8_t val;
|
|
SANE_Status status=SANE_STATUS_GOOD;
|
|
|
|
DBGSTART;
|
|
|
|
/* unset GPOADF */
|
|
RIE (sanei_genesys_read_register (dev, REG6B, &val));
|
|
val &= ~REG6B_GPOADF;
|
|
RIE (sanei_genesys_write_register (dev, REG6B, val));
|
|
|
|
RIE (sanei_genesys_read_register (dev, REGA8, &val));
|
|
val |= REGA8_GPO27;
|
|
RIE (sanei_genesys_write_register (dev, REGA8, val));
|
|
|
|
RIE (sanei_genesys_read_register (dev, REGA9, &val));
|
|
val &= ~REGA9_GPO31;
|
|
RIE (sanei_genesys_write_register (dev, REGA9, val));
|
|
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
|
|
/** @brief enable XPA slider motor
|
|
* toggle gpios to switch enable XPA slider motor
|
|
* @param dev device to set up
|
|
*/
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status gl843_xpa_motor_on(Genesys_Device *dev)
|
|
{
|
|
uint8_t val;
|
|
SANE_Status status=SANE_STATUS_GOOD;
|
|
|
|
DBGSTART;
|
|
|
|
/* set MULTFILM et GPOADF */
|
|
RIE (sanei_genesys_read_register (dev, REG6B, &val));
|
|
val |=REG6B_MULTFILM|REG6B_GPOADF;
|
|
RIE (sanei_genesys_write_register (dev, REG6B, val));
|
|
|
|
RIE (sanei_genesys_read_register (dev, REG6C, &val));
|
|
val &= ~REG6C_GPIO15;
|
|
RIE (sanei_genesys_write_register (dev, REG6C, val));
|
|
|
|
/* Motor power ? No move at all without this one */
|
|
RIE (sanei_genesys_read_register (dev, REGA6, &val));
|
|
val |= REGA6_GPIO20;
|
|
RIE (sanei_genesys_write_register(dev,REGA6,val));
|
|
|
|
RIE (sanei_genesys_read_register (dev, REGA8, &val));
|
|
val &= ~REGA8_GPO27;
|
|
RIE (sanei_genesys_write_register (dev, REGA8, val));
|
|
|
|
RIE (sanei_genesys_read_register (dev, REGA9, &val));
|
|
val |= REGA9_GPO32|REGA9_GPO31;
|
|
RIE (sanei_genesys_write_register (dev, REGA9, val));
|
|
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
|
|
/** @brief light XPA lamp
|
|
* toggle gpios to switch off regular lamp and light on the
|
|
* XPA light
|
|
* @param dev device to set up
|
|
*/
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status gl843_xpa_lamp_on(Genesys_Device *dev)
|
|
{
|
|
uint8_t val;
|
|
SANE_Status status=SANE_STATUS_GOOD;
|
|
|
|
DBGSTART;
|
|
|
|
/* REGA6 */
|
|
RIE(sanei_genesys_read_register(dev, REGA6, &val));
|
|
|
|
/* cut regular lamp power */
|
|
val &= ~(REGA6_GPIO24|REGA6_GPIO23);
|
|
|
|
/* set XPA lamp power */
|
|
val |= REGA6_GPIO22 | REGA6_GPIO21 | REGA6_GPIO19;
|
|
|
|
RIE(sanei_genesys_write_register(dev, REGA6, val));
|
|
|
|
RIE(sanei_genesys_read_register(dev, REGA7, &val));
|
|
val|=REGA7_GPOE24; /* lamp 1 off GPOE 24 */
|
|
val|=REGA7_GPOE23; /* lamp 2 off GPOE 23 */
|
|
val|=REGA7_GPOE22; /* full XPA lamp power */
|
|
RIE(sanei_genesys_write_register(dev, REGA7, val));
|
|
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/* Send the low-level scan command */
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl843_begin_scan (Genesys_Device * dev, Genesys_Register_Set * reg,
|
|
SANE_Bool start_motor)
|
|
{
|
|
SANE_Status status;
|
|
uint8_t val,r03;
|
|
uint16_t dpiset, dpihw;
|
|
|
|
DBGSTART;
|
|
|
|
/* get back the target dpihw */
|
|
sanei_genesys_get_double (reg, REG_DPISET, &dpiset);
|
|
dpihw = sanei_genesys_compute_dpihw (dev, dpiset);
|
|
|
|
/* set up GPIO for scan */
|
|
switch(dev->model->gpo_type)
|
|
{
|
|
/* KV case */
|
|
case GPO_KVSS080:
|
|
RIE (sanei_genesys_write_register (dev, REGA9, 0x00));
|
|
RIE (sanei_genesys_write_register (dev, REGA6, 0xf6));
|
|
/* blinking led */
|
|
RIE (sanei_genesys_write_register (dev, 0x7e, 0x04));
|
|
break;
|
|
case GPO_G4050:
|
|
RIE (sanei_genesys_write_register (dev, REGA7, 0xfe));
|
|
RIE (sanei_genesys_write_register (dev, REGA8, 0x3e));
|
|
RIE (sanei_genesys_write_register (dev, REGA9, 0x06));
|
|
switch (dpihw)
|
|
{
|
|
case 1200:
|
|
case 2400:
|
|
case 4800:
|
|
RIE (sanei_genesys_write_register (dev, REG6C, 0x60));
|
|
RIE (sanei_genesys_write_register (dev, REGA6, 0x46));
|
|
break;
|
|
default: /* 600 dpi case */
|
|
RIE (sanei_genesys_write_register (dev, REG6C, 0x20));
|
|
RIE (sanei_genesys_write_register (dev, REGA6, 0x44));
|
|
}
|
|
|
|
/* turn on XPA lamp if XPA is selected and lamp power on*/
|
|
r03 = sanei_genesys_read_reg_from_set (reg, REG03);
|
|
if ((r03 & REG03_XPASEL) && (r03 & REG03_LAMPPWR))
|
|
{
|
|
RIE(gl843_xpa_lamp_on(dev));
|
|
}
|
|
|
|
/* enable XPA lamp motor */
|
|
if (r03 & REG03_XPASEL)
|
|
{
|
|
RIE(gl843_xpa_motor_on(dev));
|
|
}
|
|
|
|
/* blinking led */
|
|
RIE (sanei_genesys_write_register (dev, REG7E, 0x01));
|
|
break;
|
|
case GPO_CS4400F:
|
|
case GPO_CS8400F:
|
|
default:
|
|
break;
|
|
}
|
|
|
|
/* clear scan and feed count */
|
|
RIE (sanei_genesys_write_register
|
|
(dev, REG0D, REG0D_CLRLNCNT | REG0D_CLRMCNT));
|
|
|
|
/* enable scan and motor */
|
|
RIE (sanei_genesys_read_register (dev, REG01, &val));
|
|
val |= REG01_SCAN;
|
|
RIE (sanei_genesys_write_register (dev, REG01, val));
|
|
|
|
if (start_motor)
|
|
{
|
|
RIE (sanei_genesys_write_register (dev, REG0F, 1));
|
|
}
|
|
else
|
|
{
|
|
RIE (sanei_genesys_write_register (dev, REG0F, 0));
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
|
|
/* Send the stop scan command */
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl843_end_scan (Genesys_Device * dev, Genesys_Register_Set * reg,
|
|
SANE_Bool check_stop)
|
|
{
|
|
SANE_Status status;
|
|
uint8_t val;
|
|
|
|
DBG (DBG_proc, "gl843_end_scan (check_stop = %d)\n", check_stop);
|
|
if (reg == NULL)
|
|
return SANE_STATUS_INVAL;
|
|
|
|
/* post scan gpio */
|
|
RIE(sanei_genesys_write_register(dev,0x7e,0x00));
|
|
|
|
/* turn off XPA lamp if XPA is selected and lamp power on*/
|
|
val = sanei_genesys_read_reg_from_set (reg, REG03);
|
|
if (val & (REG03_XPASEL|REG03_LAMPPWR))
|
|
{
|
|
sanei_genesys_read_register (dev, REGA6, &val);
|
|
|
|
/* switch on regular lamp */
|
|
val |= 0x40;
|
|
|
|
/* no XPA lamp power (2 bits for level: __11 ____) */
|
|
val &= ~0x30;
|
|
|
|
RIE (sanei_genesys_write_register (dev, REGA6, val));
|
|
}
|
|
|
|
if (dev->model->is_sheetfed == SANE_TRUE)
|
|
{
|
|
status = SANE_STATUS_GOOD;
|
|
}
|
|
else /* flat bed scanners */
|
|
{
|
|
status = gl843_stop_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_end_scan: failed to stop: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/** @brief park XPA lamp
|
|
* park the XPA lamp if needed
|
|
*/
|
|
static SANE_Status gl843_park_xpa_lamp (Genesys_Device * dev)
|
|
{
|
|
Genesys_Register_Set local_reg[GENESYS_GL843_MAX_REGS];
|
|
SANE_Status status;
|
|
Genesys_Register_Set *r;
|
|
uint8_t val;
|
|
int loop = 0;
|
|
|
|
DBGSTART;
|
|
|
|
/* copy scan settings */
|
|
memcpy (local_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
|
|
/* set a huge feedl and reverse direction */
|
|
sanei_genesys_set_triple(local_reg,REG_FEEDL,0xbdcd);
|
|
|
|
/* clear scan and feed count */
|
|
RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRLNCNT | REG0D_CLRMCNT));
|
|
|
|
/* set up for reverse and no scan */
|
|
r = sanei_genesys_get_address (local_reg, REG02);
|
|
r->value |= REG02_MTRREV;
|
|
r = sanei_genesys_get_address (local_reg, REG01);
|
|
r->value &= ~REG01_SCAN;
|
|
|
|
/* write to scanner and start action */
|
|
RIE (dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL843_MAX_REGS));
|
|
RIE (gl843_xpa_motor_on(dev));
|
|
status = gl843_start_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to start motor: %s\n",__FUNCTION__, sane_strstatus (status));
|
|
gl843_stop_action (dev);
|
|
/* restore original registers */
|
|
dev->model->cmd_set->bulk_write_register (dev, dev->reg, GENESYS_GL843_MAX_REGS);
|
|
return status;
|
|
}
|
|
|
|
while (loop < 600) /* do not wait longer then 60 seconds */
|
|
{
|
|
status = sanei_genesys_get_status (dev, &val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"%s: failed to read home sensor: %s\n",__FUNCTION__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
if (DBG_LEVEL >= DBG_io2)
|
|
{
|
|
sanei_genesys_print_status (val);
|
|
}
|
|
|
|
if (val & REG41_HOMESNR) /* home sensor */
|
|
{
|
|
DBG (DBG_info, "%s: reached home position\n",__FUNCTION__);
|
|
DBG (DBG_proc, "%s: finished\n",__FUNCTION__);
|
|
|
|
/* clear GPOADF to avoid reparking again */
|
|
sanei_genesys_read_register (dev, REG6B, &val);
|
|
val &= ~REG6B_GPOADF;
|
|
sanei_genesys_write_register (dev, REG6B, val);
|
|
|
|
/* disable XPA slider motor */
|
|
gl843_xpa_motor_off(dev);
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
usleep (100000); /* sleep 100 ms */
|
|
++loop;
|
|
}
|
|
|
|
/* we are not parked here.... should we fail ? */
|
|
DBG (DBG_info, "%s: XPA lamp is not parked\n", __FUNCTION__);
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/** @brief Moves the slider to the home (top) position slowly
|
|
* */
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl843_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home)
|
|
{
|
|
Genesys_Register_Set local_reg[GENESYS_GL843_MAX_REGS];
|
|
SANE_Status status;
|
|
Genesys_Register_Set *r;
|
|
uint8_t val;
|
|
float resolution;
|
|
int loop = 0;
|
|
|
|
DBG (DBG_proc, "gl843_slow_back_home (wait_until_home = %d)\n",
|
|
wait_until_home);
|
|
|
|
if (dev->model->gpo_type == GPO_G4050)
|
|
{
|
|
/* test if we need to park XPA lamp, we check GPOADF */
|
|
RIE (sanei_genesys_read_register (dev, REG6B, &val));
|
|
if(val & REG6B_GPOADF)
|
|
{
|
|
RIE(gl843_park_xpa_lamp(dev));
|
|
}
|
|
}
|
|
|
|
/* regular slow back home */
|
|
dev->scanhead_position_in_steps = 0;
|
|
|
|
/* first read gives HOME_SENSOR true */
|
|
status = sanei_genesys_get_status (dev, &val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to read home sensor: %s\n", __FUNCTION__, sane_strstatus (status));
|
|
return status;
|
|
}
|
|
usleep (100000); /* sleep 100 ms */
|
|
|
|
/* second is reliable */
|
|
status = sanei_genesys_get_status (dev, &val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_slow_back_home: failed to read home sensor: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
if (DBG_LEVEL >= DBG_io)
|
|
{
|
|
sanei_genesys_print_status (val);
|
|
}
|
|
if (val & HOMESNR) /* is sensor at home? */
|
|
{
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
memcpy (local_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
resolution=sanei_genesys_get_lowest_ydpi(dev);
|
|
|
|
status = gl843_init_scan_regs (dev,
|
|
local_reg,
|
|
resolution,
|
|
resolution,
|
|
100,
|
|
40000,
|
|
100,
|
|
100,
|
|
8,
|
|
1,
|
|
SCAN_MODE_LINEART,
|
|
dev->settings.color_filter,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_slow_back_home: failed to set up registers: %s\n",
|
|
sane_strstatus (status));
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/* clear scan and feed count */
|
|
RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRLNCNT | REG0D_CLRMCNT));
|
|
|
|
/* set up for reverse and no scan */
|
|
r = sanei_genesys_get_address (local_reg, REG02);
|
|
r->value |= REG02_MTRREV;
|
|
r = sanei_genesys_get_address (local_reg, REG01);
|
|
r->value &= ~REG01_SCAN;
|
|
|
|
RIE (dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL843_MAX_REGS));
|
|
|
|
status = gl843_start_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_slow_back_home: failed to start motor: %s\n",
|
|
sane_strstatus (status));
|
|
gl843_stop_action (dev);
|
|
/* restore original registers */
|
|
dev->model->cmd_set->bulk_write_register (dev, dev->reg, GENESYS_GL843_MAX_REGS);
|
|
return status;
|
|
}
|
|
|
|
if (wait_until_home)
|
|
{
|
|
|
|
while (loop < 300) /* do not wait longer then 30 seconds */
|
|
{
|
|
status = sanei_genesys_get_status (dev, &val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_slow_back_home: failed to read home sensor: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
if (DBG_LEVEL >= DBG_io2)
|
|
{
|
|
sanei_genesys_print_status (val);
|
|
}
|
|
|
|
if (val & REG41_HOMESNR) /* home sensor */
|
|
{
|
|
DBG (DBG_info, "gl843_slow_back_home: reached home position\n");
|
|
DBG (DBG_proc, "gl843_slow_back_home: finished\n");
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
usleep (100000); /* sleep 100 ms */
|
|
++loop;
|
|
}
|
|
|
|
/* when we come here then the scanner needed too much time for this, so we better stop the motor */
|
|
gl843_stop_action (dev);
|
|
DBG (DBG_error,
|
|
"gl843_slow_back_home: timeout while waiting for scanhead to go home\n");
|
|
return SANE_STATUS_IO_ERROR;
|
|
}
|
|
|
|
DBG (DBG_info, "%s: scanhead is still moving\n", __FUNCTION__);
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* Automatically set top-left edge of the scan area by scanning a 200x200 pixels
|
|
area at 600 dpi from very top of scanner */
|
|
static SANE_Status
|
|
gl843_search_start_position (Genesys_Device * dev)
|
|
{
|
|
int size;
|
|
SANE_Status status;
|
|
uint8_t *data;
|
|
Genesys_Register_Set local_reg[GENESYS_GL843_MAX_REGS];
|
|
int steps;
|
|
|
|
int pixels = 600;
|
|
int dpi = 300;
|
|
|
|
DBG (DBG_proc, "gl843_search_start_position\n");
|
|
|
|
memcpy (local_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
|
|
/* sets for a 200 lines * 600 pixels */
|
|
/* normal scan with no shading */
|
|
|
|
status = gl843_init_scan_regs (dev,
|
|
local_reg,
|
|
dpi,
|
|
dpi,
|
|
0,
|
|
0, /*we should give a small offset here~60 steps */
|
|
600,
|
|
dev->model->search_lines,
|
|
8,
|
|
1,
|
|
SCAN_MODE_GRAY,
|
|
1, /*green */
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE |
|
|
SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_search_start_position: failed to bulk setup registers: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* send to scanner */
|
|
status = dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL843_MAX_REGS);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_search_start_position: failed to bulk write registers: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
size = pixels * dev->model->search_lines;
|
|
|
|
data = malloc (size);
|
|
if (!data)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_search_start_position: failed to allocate memory\n");
|
|
return SANE_STATUS_NO_MEM;
|
|
}
|
|
|
|
status = gl843_begin_scan (dev, local_reg, SANE_TRUE);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error,
|
|
"gl843_search_start_position: failed to begin scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* waits for valid data */
|
|
do
|
|
sanei_genesys_test_buffer_empty (dev, &steps);
|
|
while (steps);
|
|
|
|
/* now we're on target, we can read data */
|
|
status = sanei_genesys_read_data_from_scanner (dev, data, size);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error,
|
|
"gl843_search_start_position: failed to read data: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
if (DBG_LEVEL >= DBG_data)
|
|
sanei_genesys_write_pnm_file ("search_position.pnm", data, 8, 1, pixels,
|
|
dev->model->search_lines);
|
|
|
|
status = gl843_end_scan (dev, local_reg, SANE_TRUE);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error,
|
|
"gl843_search_start_position: failed to end scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* update regs to copy ASIC internal state */
|
|
memcpy (dev->reg, local_reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
|
|
status =
|
|
sanei_genesys_search_reference_point (dev, data, 0, dpi, pixels,
|
|
dev->model->search_lines);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error,
|
|
"gl843_search_start_position: failed to set search reference point: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
free (data);
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/*
|
|
* sets up register for coarse gain calibration
|
|
* todo: check it for scanners using it */
|
|
static SANE_Status
|
|
gl843_init_regs_for_coarse_calibration (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status;
|
|
uint8_t channels;
|
|
uint8_t cksel;
|
|
|
|
DBGSTART;
|
|
cksel = (dev->calib_reg[reg_0x18].value & REG18_CKSEL) + 1; /* clock speed = 1..4 clocks */
|
|
|
|
/* set line size */
|
|
if (dev->settings.scan_mode == SCAN_MODE_COLOR) /* single pass color */
|
|
channels = 3;
|
|
else
|
|
channels = 1;
|
|
|
|
status = gl843_init_scan_regs (dev,
|
|
dev->calib_reg,
|
|
dev->settings.xres,
|
|
dev->settings.yres,
|
|
0,
|
|
0,
|
|
/* XXX STEF XXX dpi instead of pixels !*/
|
|
dev->sensor.optical_res / cksel,
|
|
20,
|
|
16,
|
|
channels,
|
|
dev->settings.scan_mode,
|
|
dev->settings.color_filter,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_SINGLE_LINE |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_init_register_for_coarse_calibration: failed to setup scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
gl843_set_motor_power (dev->calib_reg, SANE_FALSE);
|
|
|
|
DBG (DBG_info,
|
|
"gl843_init_register_for_coarse_calibration: optical sensor res: %d dpi, actual res: %d\n",
|
|
dev->sensor.optical_res / cksel, dev->settings.xres);
|
|
|
|
status = dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_init_register_for_coarse_calibration: failed to bulk write registers: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/** @brief moves the slider to steps at motor base dpi
|
|
* @param dev device to work on
|
|
* @param steps number of steps to move
|
|
* */
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl843_feed (Genesys_Device * dev, unsigned int steps)
|
|
{
|
|
Genesys_Register_Set local_reg[GENESYS_GL843_MAX_REGS];
|
|
SANE_Status status;
|
|
Genesys_Register_Set *r;
|
|
float resolution;
|
|
uint8_t val;
|
|
|
|
DBGSTART;
|
|
|
|
/* prepare local registers */
|
|
memcpy (local_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
|
|
resolution=sanei_genesys_get_lowest_ydpi(dev);
|
|
status = gl843_init_scan_regs (dev,
|
|
local_reg,
|
|
resolution,
|
|
resolution,
|
|
0,
|
|
steps,
|
|
100,
|
|
3,
|
|
8,
|
|
3,
|
|
SCAN_MODE_COLOR,
|
|
0,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_FEEDING |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_feed: failed to set up registers: %s\n",
|
|
sane_strstatus (status));
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/* clear scan and feed count */
|
|
RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRLNCNT));
|
|
RIE (sanei_genesys_write_register (dev, REG0D, REG0D_CLRMCNT));
|
|
|
|
/* set up for no scan */
|
|
r = sanei_genesys_get_address (local_reg, REG01);
|
|
r->value &= ~REG01_SCAN;
|
|
|
|
/* send registers */
|
|
RIE (dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL843_MAX_REGS));
|
|
|
|
status = gl843_start_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to start motor: %s\n", __FUNCTION__, sane_strstatus (status));
|
|
gl843_stop_action (dev);
|
|
|
|
/* restore original registers */
|
|
dev->model->cmd_set->bulk_write_register (dev, dev->reg, GENESYS_GL843_MAX_REGS);
|
|
return status;
|
|
}
|
|
|
|
/* wait until feed count reaches the required value, but do not
|
|
* exceed 30s */
|
|
do
|
|
{
|
|
status = sanei_genesys_get_status (dev, &val);
|
|
}
|
|
while (status == SANE_STATUS_GOOD && !(val & FEEDFSH));
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
|
|
/* init registers for shading calibration */
|
|
/* shading calibration is done at dpihw */
|
|
static SANE_Status
|
|
gl843_init_regs_for_shading (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status;
|
|
int move, resolution, dpihw, factor;
|
|
uint16_t strpixel;
|
|
|
|
DBGSTART;
|
|
|
|
/* initial calibration reg values */
|
|
memcpy (dev->calib_reg, dev->reg, GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
|
|
dev->calib_channels = 3;
|
|
dev->calib_lines = dev->model->shading_lines;
|
|
dpihw=sanei_genesys_compute_dpihw(dev,dev->settings.xres);
|
|
factor=dev->sensor.optical_res/dpihw;
|
|
resolution=dpihw;
|
|
dev->calib_resolution = resolution;
|
|
dev->calib_pixels = dev->sensor.sensor_pixels/factor;
|
|
|
|
/* distance to move to reach white target */
|
|
move = SANE_UNFIX (dev->model->y_offset_calib);
|
|
move = (move * resolution) / MM_PER_INCH;
|
|
|
|
status = gl843_init_scan_regs (dev,
|
|
dev->calib_reg,
|
|
resolution,
|
|
resolution,
|
|
0,
|
|
move,
|
|
dev->calib_pixels,
|
|
dev->calib_lines,
|
|
16,
|
|
dev->calib_channels,
|
|
dev->settings.scan_mode,
|
|
dev->settings.color_filter,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_init_registers_for_shading: failed to setup scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
dev->scanhead_position_in_steps += dev->calib_lines + move;
|
|
sanei_genesys_get_double(dev->calib_reg,REG_STRPIXEL,&strpixel);
|
|
DBG (DBG_info, "%s: STRPIXEL=%d\n", __FUNCTION__, strpixel);
|
|
|
|
status = dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_init_registers_for_shading: failed to bulk write registers: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/** @brief set up registers for the actual scan
|
|
*/
|
|
static SANE_Status
|
|
gl843_init_regs_for_scan (Genesys_Device * dev)
|
|
{
|
|
int channels;
|
|
int flags;
|
|
int depth;
|
|
float move;
|
|
int move_dpi;
|
|
float start;
|
|
|
|
SANE_Status status;
|
|
|
|
DBG (DBG_info,
|
|
"gl843_init_regs_for_scan settings:\nResolution: %ux%uDPI\n"
|
|
"Lines : %u\npixels : %u\nStartpos : %.3f/%.3f\nScan mode : %d\n\n",
|
|
dev->settings.xres,
|
|
dev->settings.yres,
|
|
dev->settings.lines,
|
|
dev->settings.pixels,
|
|
dev->settings.tl_x,
|
|
dev->settings.tl_y,
|
|
dev->settings.scan_mode);
|
|
|
|
/* ensure head is parked in case of calibration */
|
|
gl843_slow_back_home (dev, SANE_TRUE);
|
|
|
|
/* channels */
|
|
if (dev->settings.scan_mode == SCAN_MODE_COLOR)
|
|
channels = 3;
|
|
else
|
|
channels = 1;
|
|
|
|
/* depth */
|
|
depth = dev->settings.depth;
|
|
if (dev->settings.scan_mode == SCAN_MODE_LINEART)
|
|
depth = 1;
|
|
|
|
move_dpi = dev->motor.base_ydpi;
|
|
|
|
move = SANE_UNFIX (dev->model->y_offset);
|
|
move += dev->settings.tl_y;
|
|
move = (move * move_dpi) / MM_PER_INCH;
|
|
DBG (DBG_info, "gl843_init_regs_for_scan: move=%f steps\n", move);
|
|
|
|
/* start */
|
|
start = SANE_UNFIX (dev->model->x_offset);
|
|
start += dev->settings.tl_x;
|
|
start = (start * dev->sensor.optical_res) / MM_PER_INCH;
|
|
|
|
flags = 0;
|
|
|
|
/* enable emulated lineart from gray data */
|
|
if(dev->settings.scan_mode == SCAN_MODE_LINEART
|
|
&& dev->settings.dynamic_lineart)
|
|
{
|
|
flags |= SCAN_FLAG_DYNAMIC_LINEART;
|
|
}
|
|
|
|
status = gl843_init_scan_regs (dev,
|
|
dev->reg,
|
|
dev->settings.xres,
|
|
dev->settings.yres,
|
|
start,
|
|
move,
|
|
dev->settings.pixels,
|
|
dev->settings.lines,
|
|
depth,
|
|
channels,
|
|
dev->settings.scan_mode,
|
|
dev->settings.color_filter,
|
|
flags);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
return status;
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/**
|
|
* This function sends gamma tables to ASIC
|
|
*/
|
|
static SANE_Status
|
|
gl843_send_gamma_table (Genesys_Device * dev)
|
|
{
|
|
int size;
|
|
int status;
|
|
uint8_t *gamma;
|
|
int i;
|
|
|
|
DBGSTART;
|
|
|
|
size = 256;
|
|
|
|
/* allocate temporary gamma tables: 16 bits words, 3 channels */
|
|
gamma = (uint8_t *) malloc (size * 2 * 3);
|
|
if (!gamma)
|
|
return SANE_STATUS_NO_MEM;
|
|
|
|
/* copy sensor specific's gamma tables */
|
|
for (i = 0; i < size; i++)
|
|
{
|
|
gamma[i * 2 + size * 0 + 0] = dev->sensor.gamma_table[GENESYS_RED][i] & 0xff;
|
|
gamma[i * 2 + size * 0 + 1] = (dev->sensor.gamma_table[GENESYS_RED][i] >> 8) & 0xff;
|
|
gamma[i * 2 + size * 2 + 0] = dev->sensor.gamma_table[GENESYS_GREEN][i] & 0xff;
|
|
gamma[i * 2 + size * 2 + 1] = (dev->sensor.gamma_table[GENESYS_GREEN][i] >> 8) & 0xff;
|
|
gamma[i * 2 + size * 4 + 0] = dev->sensor.gamma_table[GENESYS_BLUE][i] & 0xff;
|
|
gamma[i * 2 + size * 4 + 1] = (dev->sensor.gamma_table[GENESYS_BLUE][i] >> 8) & 0xff;
|
|
}
|
|
|
|
/* send address */
|
|
status = gl843_set_buffer_address (dev, 0x0000);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (gamma);
|
|
DBG (DBG_error,
|
|
"gl843_send_gamma_table: failed to set buffer address: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* send data */
|
|
status = gl843_bulk_write_data (dev, 0x28, (uint8_t *) gamma, size * 2 * 3);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (gamma);
|
|
DBG (DBG_error,
|
|
"gl843_send_gamma_table: failed to send gamma table: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
DBG (DBG_proc, "gl843_send_gamma_table: completed\n");
|
|
free (gamma);
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* this function does the led calibration by scanning one line of the calibration
|
|
area below scanner's top on white strip.
|
|
|
|
-needs working coarse/gain
|
|
*/
|
|
static SANE_Status
|
|
gl843_led_calibration (Genesys_Device * dev)
|
|
{
|
|
int num_pixels;
|
|
int total_size;
|
|
int used_res;
|
|
uint8_t *line;
|
|
int i, j;
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
int val;
|
|
int channels, depth;
|
|
int avg[3], avga, avge;
|
|
int turn;
|
|
char fn[20];
|
|
uint16_t expr, expg, expb;
|
|
Genesys_Register_Set *r;
|
|
|
|
SANE_Bool acceptable = SANE_FALSE;
|
|
|
|
DBG (DBG_proc, "gl843_led_calibration\n");
|
|
|
|
/* offset calibration is always done in color mode */
|
|
channels = 3;
|
|
depth = 16;
|
|
used_res = dev->sensor.optical_res;
|
|
num_pixels =
|
|
(dev->sensor.sensor_pixels * used_res) / dev->sensor.optical_res;
|
|
|
|
/* initial calibration reg values */
|
|
memcpy (dev->calib_reg, dev->reg,
|
|
GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
|
|
status = gl843_init_scan_regs (dev,
|
|
dev->calib_reg,
|
|
used_res,
|
|
dev->motor.base_ydpi,
|
|
0,
|
|
0,
|
|
num_pixels,
|
|
1,
|
|
depth,
|
|
channels,
|
|
SCAN_MODE_COLOR,
|
|
dev->settings.color_filter,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_SINGLE_LINE |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_led_calibration: failed to setup scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
RIE (dev->model->cmd_set->bulk_write_register
|
|
(dev, dev->calib_reg, GENESYS_GL843_MAX_REGS));
|
|
|
|
|
|
total_size = num_pixels * channels * (depth / 8) * 1; /* colors * bytes_per_color * scan lines */
|
|
|
|
line = malloc (total_size);
|
|
if (!line)
|
|
return SANE_STATUS_NO_MEM;
|
|
|
|
/*
|
|
we try to get equal bright leds here:
|
|
|
|
loop:
|
|
average per color
|
|
adjust exposure times
|
|
*/
|
|
|
|
expr = (dev->sensor.regs_0x10_0x1d[0] << 8) | dev->sensor.regs_0x10_0x1d[1];
|
|
expg = (dev->sensor.regs_0x10_0x1d[2] << 8) | dev->sensor.regs_0x10_0x1d[3];
|
|
expb = (dev->sensor.regs_0x10_0x1d[4] << 8) | dev->sensor.regs_0x10_0x1d[5];
|
|
|
|
turn = 0;
|
|
|
|
do
|
|
{
|
|
|
|
dev->sensor.regs_0x10_0x1d[0] = (expr >> 8) & 0xff;
|
|
dev->sensor.regs_0x10_0x1d[1] = expr & 0xff;
|
|
dev->sensor.regs_0x10_0x1d[2] = (expg >> 8) & 0xff;
|
|
dev->sensor.regs_0x10_0x1d[3] = expg & 0xff;
|
|
dev->sensor.regs_0x10_0x1d[4] = (expb >> 8) & 0xff;
|
|
dev->sensor.regs_0x10_0x1d[5] = expb & 0xff;
|
|
|
|
for (i = 0; i < 6; i++)
|
|
{
|
|
r = sanei_genesys_get_address (dev->calib_reg, 0x10 + i);
|
|
r->value = dev->sensor.regs_0x10_0x1d[i];
|
|
}
|
|
|
|
RIE (dev->model->cmd_set->bulk_write_register
|
|
(dev, dev->calib_reg, GENESYS_GL843_MAX_REGS));
|
|
|
|
DBG (DBG_info, "gl843_led_calibration: starting first line reading\n");
|
|
RIE (gl843_begin_scan (dev, dev->calib_reg, SANE_TRUE));
|
|
RIE (sanei_genesys_read_data_from_scanner (dev, line, total_size));
|
|
|
|
if (DBG_LEVEL >= DBG_data)
|
|
{
|
|
snprintf (fn, 20, "led_%02d.pnm", turn);
|
|
sanei_genesys_write_pnm_file (fn,
|
|
line, depth, channels, num_pixels, 1);
|
|
}
|
|
|
|
acceptable = SANE_TRUE;
|
|
|
|
for (j = 0; j < channels; j++)
|
|
{
|
|
avg[j] = 0;
|
|
for (i = 0; i < num_pixels; i++)
|
|
{
|
|
if (dev->model->is_cis)
|
|
val =
|
|
line[i * 2 + j * 2 * num_pixels + 1] * 256 +
|
|
line[i * 2 + j * 2 * num_pixels];
|
|
else
|
|
val =
|
|
line[i * 2 * channels + 2 * j + 1] * 256 +
|
|
line[i * 2 * channels + 2 * j];
|
|
avg[j] += val;
|
|
}
|
|
|
|
avg[j] /= num_pixels;
|
|
}
|
|
|
|
DBG (DBG_info, "gl843_led_calibration: average: "
|
|
"%d,%d,%d\n", avg[0], avg[1], avg[2]);
|
|
|
|
acceptable = SANE_TRUE;
|
|
|
|
if (avg[0] < avg[1] * 0.95 || avg[1] < avg[0] * 0.95 ||
|
|
avg[0] < avg[2] * 0.95 || avg[2] < avg[0] * 0.95 ||
|
|
avg[1] < avg[2] * 0.95 || avg[2] < avg[1] * 0.95)
|
|
acceptable = SANE_FALSE;
|
|
|
|
if (!acceptable)
|
|
{
|
|
avga = (avg[0] + avg[1] + avg[2]) / 3;
|
|
expr = (expr * avga) / avg[0];
|
|
expg = (expg * avga) / avg[1];
|
|
expb = (expb * avga) / avg[2];
|
|
/*
|
|
keep the resulting exposures below this value.
|
|
too long exposure drives the ccd into saturation.
|
|
we may fix this by relying on the fact that
|
|
we get a striped scan without shading, by means of
|
|
statistical calculation
|
|
*/
|
|
avge = (expr + expg + expb) / 3;
|
|
|
|
/* don't overflow max exposure */
|
|
if (avge > 3000)
|
|
{
|
|
expr = (expr * 2000) / avge;
|
|
expg = (expg * 2000) / avge;
|
|
expb = (expb * 2000) / avge;
|
|
}
|
|
if (avge < 50)
|
|
{
|
|
expr = (expr * 50) / avge;
|
|
expg = (expg * 50) / avge;
|
|
expb = (expb * 50) / avge;
|
|
}
|
|
|
|
}
|
|
|
|
RIE (gl843_stop_action (dev));
|
|
|
|
turn++;
|
|
|
|
}
|
|
while (!acceptable && turn < 100);
|
|
|
|
DBG (DBG_info, "gl843_led_calibration: acceptable exposure: %d,%d,%d\n",
|
|
expr, expg, expb);
|
|
|
|
/* cleanup before return */
|
|
free (line);
|
|
|
|
gl843_slow_back_home (dev, SANE_TRUE);
|
|
|
|
DBG (DBG_proc, "gl843_led_calibration: completed\n");
|
|
return status;
|
|
}
|
|
|
|
|
|
|
|
/**
|
|
* average dark pixels of a 8 bits scan of a given channel
|
|
*/
|
|
static int
|
|
dark_average_channel (uint8_t * data, unsigned int pixels, unsigned int lines,
|
|
unsigned int channels, unsigned int black, int channel)
|
|
{
|
|
unsigned int i, j, k, count;
|
|
unsigned int avg[3];
|
|
uint8_t val;
|
|
|
|
/* computes average values on black margin */
|
|
for (k = 0; k < channels; k++)
|
|
{
|
|
avg[k] = 0;
|
|
count = 0;
|
|
for (i = 0; i < lines; i++)
|
|
{
|
|
for (j = 0; j < black; j++)
|
|
{
|
|
val = data[i * channels * pixels + j*channels + k];
|
|
avg[k] += val;
|
|
count++;
|
|
}
|
|
}
|
|
if (count)
|
|
avg[k] /= count;
|
|
DBG (DBG_info, "%s: avg[%d] = %d\n", __FUNCTION__, k, avg[k]);
|
|
}
|
|
DBG (DBG_info, "%s: average = %d\n", __FUNCTION__, avg[channel]);
|
|
return avg[channel];
|
|
}
|
|
|
|
/** @brief calibrate AFE offset
|
|
* Iterate doing scans at target dpi until AFE offset if correct. One
|
|
* color line is scanned at a time. Scanning head doesn't move.
|
|
* @param dev device to calibrate
|
|
*/
|
|
static SANE_Status
|
|
gl843_offset_calibration (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
uint8_t *first_line, *second_line;
|
|
unsigned int channels, bpp;
|
|
char title[32];
|
|
int pass, total_size, i, resolution, lines;
|
|
int topavg[3], bottomavg[3], avg[3];
|
|
int top[3], bottom[3], black_pixels, pixels, factor, dpihw;
|
|
|
|
DBGSTART;
|
|
|
|
/* offset calibration is always done in color mode */
|
|
channels = 3;
|
|
lines = 8;
|
|
bpp = 8;
|
|
|
|
/* compute divider factor to compute final pixels number */
|
|
dpihw = sanei_genesys_compute_dpihw (dev, dev->settings.xres);
|
|
factor = dev->sensor.optical_res / dpihw;
|
|
resolution = dpihw;
|
|
pixels = dev->sensor.sensor_pixels / factor;
|
|
black_pixels = dev->sensor.black_pixels / factor;
|
|
DBG (DBG_io, "gl843_offset_calibration: dpihw =%d\n", dpihw);
|
|
DBG (DBG_io, "gl843_offset_calibration: factor =%d\n", factor);
|
|
DBG (DBG_io, "gl843_offset_calibration: resolution =%d\n", resolution);
|
|
DBG (DBG_io, "gl843_offset_calibration: pixels =%d\n", pixels);
|
|
DBG (DBG_io, "gl843_offset_calibration: black_pixels=%d\n", black_pixels);
|
|
|
|
status = gl843_init_scan_regs (dev,
|
|
dev->calib_reg,
|
|
resolution,
|
|
resolution,
|
|
0,
|
|
0,
|
|
pixels,
|
|
lines,
|
|
bpp,
|
|
channels,
|
|
SCAN_MODE_COLOR,
|
|
0,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_SINGLE_LINE |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl843_offset_calibration: failed to setup scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
gl843_set_motor_power (dev->calib_reg, SANE_FALSE);
|
|
|
|
/* allocate memory for scans */
|
|
total_size = pixels * channels * lines * (bpp / 8); /* colors * bytes_per_color * scan lines */
|
|
|
|
first_line = malloc (total_size);
|
|
if (!first_line)
|
|
return SANE_STATUS_NO_MEM;
|
|
|
|
second_line = malloc (total_size);
|
|
if (!second_line)
|
|
{
|
|
free (first_line);
|
|
return SANE_STATUS_NO_MEM;
|
|
}
|
|
|
|
/* init gain and offset */
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
bottom[i] = 10;
|
|
dev->frontend.offset[i] = bottom[i];
|
|
dev->frontend.gain[i] = 0;
|
|
}
|
|
RIEF2 (gl843_set_fe (dev, AFE_SET), first_line, second_line);
|
|
|
|
/* scan with obttom AFE settings */
|
|
RIEF2 (dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS), first_line, second_line);
|
|
DBG (DBG_info, "gl843_offset_calibration: starting first line reading\n");
|
|
RIEF2 (gl843_begin_scan (dev, dev->calib_reg, SANE_TRUE), first_line, second_line);
|
|
RIEF2 (sanei_genesys_read_data_from_scanner (dev, first_line, total_size), first_line, second_line);
|
|
if (DBG_LEVEL >= DBG_data)
|
|
{
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
snprintf (title, 20, "offset_%d_%03d.pnm", i, bottom[i]);
|
|
sanei_genesys_write_pnm_file (title, first_line, bpp, channels, pixels, lines);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
bottomavg[i] = dark_average_channel (first_line, pixels, lines, channels, black_pixels, i);
|
|
DBG (DBG_io2, "gl843_offset_calibration: bottom avg %d=%d\n", i, bottomavg[i]);
|
|
}
|
|
|
|
/* now top value */
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
top[i] = 255;
|
|
dev->frontend.offset[i] = top[i];
|
|
}
|
|
RIEF2 (gl843_set_fe (dev, AFE_SET), first_line, second_line);
|
|
|
|
/* scan with top AFE values */
|
|
RIEF2 (dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS), first_line, second_line);
|
|
DBG (DBG_info, "gl843_offset_calibration: starting second line reading\n");
|
|
RIEF2 (gl843_begin_scan (dev, dev->calib_reg, SANE_TRUE), first_line, second_line);
|
|
RIEF2 (sanei_genesys_read_data_from_scanner (dev, second_line, total_size), first_line, second_line);
|
|
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
topavg[i] = dark_average_channel (second_line, pixels, lines, channels, black_pixels, i);
|
|
DBG (DBG_io2, "gl843_offset_calibration: top avg %d=%d\n", i, topavg[i]);
|
|
}
|
|
|
|
pass = 0;
|
|
|
|
/* loop until acceptable level */
|
|
while ((pass < 32)
|
|
&& ((top[0] - bottom[0] > 1)
|
|
|| (top[1] - bottom[1] > 1) || (top[2] - bottom[2] > 1)))
|
|
{
|
|
pass++;
|
|
|
|
/* settings for new scan */
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
if (top[i] - bottom[i] > 1)
|
|
{
|
|
dev->frontend.offset[i] = (top[i] + bottom[i]) / 2;
|
|
}
|
|
}
|
|
RIEF2 (gl843_set_fe (dev, AFE_SET), first_line, second_line);
|
|
|
|
/* scan with no move */
|
|
RIEF2 (dev->model->cmd_set->bulk_write_register (dev, dev->calib_reg, GENESYS_GL843_MAX_REGS), first_line, second_line);
|
|
DBG (DBG_info, "gl843_offset_calibration: starting second line reading\n");
|
|
RIEF2 (gl843_begin_scan (dev, dev->calib_reg, SANE_TRUE), first_line, second_line);
|
|
RIEF2 (sanei_genesys_read_data_from_scanner (dev, second_line, total_size), first_line, second_line);
|
|
|
|
if (DBG_LEVEL >= DBG_data)
|
|
{
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
sprintf (title, "offset_%d_%03d.pnm", i, dev->frontend.offset[i]);
|
|
sanei_genesys_write_pnm_file (title, second_line, bpp, channels, pixels, lines);
|
|
}
|
|
}
|
|
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
avg[i] = dark_average_channel (second_line, pixels, lines, channels, black_pixels, i);
|
|
DBG (DBG_info, "gl843_offset_calibration: avg[%d]=%d offset=%d\n", i, avg[i], dev->frontend.offset[i]);
|
|
}
|
|
|
|
/* compute new boundaries */
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
if (topavg[i] >= avg[i])
|
|
{
|
|
topavg[i] = avg[i];
|
|
top[i] = dev->frontend.offset[i];
|
|
}
|
|
else
|
|
{
|
|
bottomavg[i] = avg[i];
|
|
bottom[i] = dev->frontend.offset[i];
|
|
}
|
|
}
|
|
}
|
|
DBG (DBG_info, "gl843_offset_calibration: offset=(%d,%d,%d)\n",
|
|
dev->frontend.offset[0],
|
|
dev->frontend.offset[1],
|
|
dev->frontend.offset[2]);
|
|
|
|
/* cleanup before return */
|
|
free (first_line);
|
|
free (second_line);
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
|
|
/* alternative coarse gain calibration
|
|
this on uses the settings from offset_calibration and
|
|
uses only one scanline
|
|
*/
|
|
/*
|
|
with offset and coarse calibration we only want to get our input range into
|
|
a reasonable shape. the fine calibration of the upper and lower bounds will
|
|
be done with shading.
|
|
*/
|
|
static SANE_Status
|
|
gl843_coarse_gain_calibration (Genesys_Device * dev, int dpi)
|
|
{
|
|
int pixels, factor, dpihw;
|
|
int total_size;
|
|
uint8_t *line;
|
|
int i, j, channels;
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
int max[3];
|
|
float gain[3],coeff;
|
|
int val, code, lines;
|
|
int resolution;
|
|
int bpp;
|
|
|
|
DBG (DBG_proc, "gl843_coarse_gain_calibration: dpi = %d\n", dpi);
|
|
dpihw=sanei_genesys_compute_dpihw(dev, dpi);
|
|
factor=dev->sensor.optical_res/dpihw;
|
|
|
|
/* coarse gain calibration is always done in color mode */
|
|
channels = 3;
|
|
|
|
/* follow CKSEL */
|
|
if (dev->model->ccd_type == CCD_KVSS080)
|
|
{
|
|
if(dev->settings.xres<dev->sensor.optical_res)
|
|
{
|
|
coeff=0.9;
|
|
}
|
|
else
|
|
{
|
|
coeff=1.0;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
coeff=1.0;
|
|
}
|
|
resolution=dpihw;
|
|
lines=10;
|
|
bpp=8;
|
|
pixels = dev->sensor.sensor_pixels / factor;
|
|
|
|
status = gl843_init_scan_regs (dev,
|
|
dev->calib_reg,
|
|
resolution,
|
|
resolution,
|
|
0,
|
|
0,
|
|
pixels,
|
|
lines,
|
|
bpp,
|
|
channels,
|
|
SCAN_MODE_COLOR,
|
|
dev->settings.color_filter,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_SINGLE_LINE |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE);
|
|
gl843_set_motor_power (dev->calib_reg, SANE_FALSE);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_coarse_calibration: failed to setup scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
RIE (dev->model->cmd_set->bulk_write_register
|
|
(dev, dev->calib_reg, GENESYS_GL843_MAX_REGS));
|
|
|
|
total_size = pixels * channels * (16/bpp) * lines;
|
|
|
|
line = malloc (total_size);
|
|
if (!line)
|
|
return SANE_STATUS_NO_MEM;
|
|
|
|
RIEF (gl843_set_fe(dev, AFE_SET), line);
|
|
RIEF (gl843_begin_scan (dev, dev->calib_reg, SANE_TRUE), line);
|
|
RIEF (sanei_genesys_read_data_from_scanner (dev, line, total_size), line);
|
|
|
|
if (DBG_LEVEL >= DBG_data)
|
|
sanei_genesys_write_pnm_file ("coarse.pnm", line, bpp, channels, pixels, lines);
|
|
|
|
/* average value on each channel */
|
|
for (j = 0; j < channels; j++)
|
|
{
|
|
max[j] = 0;
|
|
for (i = pixels/4; i < (pixels*3/4); i++)
|
|
{
|
|
if(bpp==16)
|
|
{
|
|
if (dev->model->is_cis)
|
|
val =
|
|
line[i * 2 + j * 2 * pixels + 1] * 256 +
|
|
line[i * 2 + j * 2 * pixels];
|
|
else
|
|
val =
|
|
line[i * 2 * channels + 2 * j + 1] * 256 +
|
|
line[i * 2 * channels + 2 * j];
|
|
}
|
|
else
|
|
{
|
|
if (dev->model->is_cis)
|
|
val = line[i + j * pixels];
|
|
else
|
|
val = line[i * channels + j];
|
|
}
|
|
|
|
max[j] += val;
|
|
}
|
|
max[j] = max[j] / (pixels/2);
|
|
|
|
gain[j] = ((float) dev->sensor.gain_white_ref*coeff) / max[j];
|
|
|
|
/* turn logical gain value into gain code, checking for overflow */
|
|
code = 283 - 208 / gain[j];
|
|
if (code > 255)
|
|
code = 255;
|
|
else if (code < 0)
|
|
code = 0;
|
|
dev->frontend.gain[j] = code;
|
|
|
|
DBG (DBG_proc,
|
|
"gl843_coarse_gain_calibration: channel %d, max=%d, gain = %f, setting:%d\n",
|
|
j, max[j], gain[j], dev->frontend.gain[j]);
|
|
}
|
|
|
|
if (dev->model->is_cis)
|
|
{
|
|
if (dev->frontend.gain[0] > dev->frontend.gain[1])
|
|
dev->frontend.gain[0] = dev->frontend.gain[1];
|
|
if (dev->frontend.gain[0] > dev->frontend.gain[2])
|
|
dev->frontend.gain[0] = dev->frontend.gain[2];
|
|
dev->frontend.gain[2] = dev->frontend.gain[1] = dev->frontend.gain[0];
|
|
}
|
|
|
|
if (channels == 1)
|
|
{
|
|
dev->frontend.gain[0] = dev->frontend.gain[1];
|
|
dev->frontend.gain[2] = dev->frontend.gain[1];
|
|
}
|
|
|
|
free (line);
|
|
|
|
RIE (gl843_stop_action (dev));
|
|
|
|
status=gl843_slow_back_home (dev, SANE_TRUE);
|
|
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/*
|
|
* wait for lamp warmup by scanning the same line until difference
|
|
* between 2 scans is below a threshold
|
|
*/
|
|
static SANE_Status
|
|
gl843_init_regs_for_warmup (Genesys_Device * dev,
|
|
Genesys_Register_Set * reg,
|
|
int *channels, int *total_size)
|
|
{
|
|
int num_pixels;
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
int dpihw;
|
|
int resolution;
|
|
int factor;
|
|
|
|
DBGSTART;
|
|
if (dev == NULL || reg == NULL || channels == NULL || total_size == NULL)
|
|
return SANE_STATUS_INVAL;
|
|
|
|
/* setup scan */
|
|
*channels=3;
|
|
resolution=600;
|
|
dpihw=sanei_genesys_compute_dpihw(dev, resolution);
|
|
factor=dev->sensor.optical_res/dpihw;
|
|
num_pixels=dev->sensor.sensor_pixels/(factor*2);
|
|
*total_size = num_pixels * 3 * 1;
|
|
|
|
memcpy (reg, dev->reg, (GENESYS_GL843_MAX_REGS + 1) * sizeof (Genesys_Register_Set));
|
|
status = gl843_init_scan_regs (dev,
|
|
reg,
|
|
resolution,
|
|
resolution,
|
|
num_pixels/2,
|
|
0,
|
|
num_pixels,
|
|
1,
|
|
8,
|
|
*channels,
|
|
SCAN_MODE_COLOR,
|
|
dev->settings.color_filter,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_SINGLE_LINE |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to setup scan: %s\n", __FUNCTION__, sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
gl843_set_motor_power (reg, SANE_FALSE);
|
|
RIE (dev->model->cmd_set->bulk_write_register (dev, reg, GENESYS_GL843_MAX_REGS));
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/**
|
|
* set up GPIO/GPOE for idle state
|
|
WRITE GPIO[17-21]= GPIO19
|
|
WRITE GPOE[17-21]= GPOE21 GPOE20 GPOE19 GPOE18
|
|
genesys_write_register(0xa8,0x3e)
|
|
GPIO(0xa8)=0x3e
|
|
*/
|
|
static SANE_Status
|
|
gl843_init_gpio (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
int idx;
|
|
|
|
DBGSTART;
|
|
|
|
RIE (sanei_genesys_write_register (dev, REG6E, dev->gpo.enable[0]));
|
|
RIE (sanei_genesys_write_register (dev, REG6F, dev->gpo.enable[1]));
|
|
RIE (sanei_genesys_write_register (dev, REG6C, dev->gpo.value[0]));
|
|
RIE (sanei_genesys_write_register (dev, REG6D, dev->gpo.value[1]));
|
|
|
|
idx=0;
|
|
while(dev->model->gpo_type != gpios[idx].gpo_type && gpios[idx].gpo_type!=0)
|
|
{
|
|
idx++;
|
|
}
|
|
if (gpios[idx].gpo_type!=0)
|
|
{
|
|
RIE (sanei_genesys_write_register (dev, REGA6, gpios[idx].ra6));
|
|
RIE (sanei_genesys_write_register (dev, REGA7, gpios[idx].ra7));
|
|
RIE (sanei_genesys_write_register (dev, REGA8, gpios[idx].ra8));
|
|
RIE (sanei_genesys_write_register (dev, REGA9, gpios[idx].ra9));
|
|
}
|
|
else
|
|
{
|
|
status=SANE_STATUS_INVAL;
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
|
|
/* *
|
|
* initialize ASIC from power on condition
|
|
*/
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl843_boot (Genesys_Device * dev, SANE_Bool cold)
|
|
{
|
|
SANE_Status status;
|
|
uint8_t val;
|
|
|
|
DBGSTART;
|
|
|
|
if(cold)
|
|
{
|
|
RIE (sanei_genesys_write_register (dev, 0x0e, 0x01));
|
|
RIE (sanei_genesys_write_register (dev, 0x0e, 0x00));
|
|
}
|
|
|
|
if(dev->usb_mode == 1)
|
|
{
|
|
val = 0x14;
|
|
}
|
|
else
|
|
{
|
|
val = 0x11;
|
|
}
|
|
RIE (sanei_genesys_write_0x8c (dev, 0x0f, val));
|
|
|
|
/* test CHKVER */
|
|
RIE (sanei_genesys_read_register (dev, REG40, &val));
|
|
if (val & REG40_CHKVER)
|
|
{
|
|
RIE (sanei_genesys_read_register (dev, 0x00, &val));
|
|
DBG (DBG_info,
|
|
"%s: reported version for genesys chip is 0x%02x\n", __FUNCTION__,
|
|
val);
|
|
}
|
|
|
|
/* Set default values for registers */
|
|
gl843_init_registers (dev);
|
|
|
|
RIE (sanei_genesys_write_register (dev, REG6B, 0x02));
|
|
|
|
/* Write initial registers */
|
|
RIE (dev->model->cmd_set->bulk_write_register (dev, dev->reg, GENESYS_GL843_MAX_REGS));
|
|
|
|
/* Enable DRAM by setting a rising edge on bit 3 of reg 0x0b */
|
|
val = dev->reg[reg_0x0b].value & REG0B_DRAMSEL;
|
|
val = (val | REG0B_ENBDRAM);
|
|
RIE (sanei_genesys_write_register (dev, REG0B, val));
|
|
dev->reg[reg_0x0b].value = val;
|
|
/* URB 14 control 0x40 0x0c 0x8c 0x10 len 1 wrote 0xb4 */
|
|
RIE (sanei_genesys_write_0x8c (dev, 0x10, 0xb4));
|
|
|
|
/* CLKSET */
|
|
val = (dev->reg[reg_0x0b].value & ~REG0B_CLKSET) | REG0B_48MHZ;
|
|
RIE (sanei_genesys_write_register (dev, REG0B, val));
|
|
dev->reg[reg_0x0b].value = val;
|
|
|
|
/* prevent further writings by bulk write register */
|
|
dev->reg[reg_0x0b].address = 0x00;
|
|
|
|
/* set up end access */
|
|
sanei_genesys_write_register (dev, REGA7, 0x04);
|
|
sanei_genesys_write_register (dev, REGA9, 0x00);
|
|
|
|
/* set RAM read address */
|
|
RIE (sanei_genesys_write_register (dev, REG29, 0x00));
|
|
RIE (sanei_genesys_write_register (dev, REG2A, 0x00));
|
|
RIE (sanei_genesys_write_register (dev, REG2B, 0x00));
|
|
|
|
/* setup gpio */
|
|
RIE (gl843_init_gpio (dev));
|
|
|
|
gl843_feed (dev, 300);
|
|
usleep (100000);
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* *
|
|
* initialize backend and ASIC : registers, motor tables, and gamma tables
|
|
* then ensure scanner's head is at home
|
|
*/
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl843_init (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status;
|
|
|
|
DBG_INIT ();
|
|
DBGSTART;
|
|
|
|
status=sanei_genesys_asic_init(dev, GENESYS_GL843_MAX_REGS);
|
|
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
static SANE_Status
|
|
gl843_update_hardware_sensors (Genesys_Scanner * s)
|
|
{
|
|
/* do what is needed to get a new set of events, but try to not lose
|
|
any of them.
|
|
*/
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
uint8_t val;
|
|
|
|
RIE (sanei_genesys_read_register (s->dev, REG6D, &val));
|
|
|
|
switch (s->dev->model->gpo_type)
|
|
{
|
|
case GPO_KVSS080:
|
|
if (s->val[OPT_SCAN_SW].b == s->last_val[OPT_SCAN_SW].b)
|
|
s->val[OPT_SCAN_SW].b = (val & 0x04) == 0;
|
|
break;
|
|
case GPO_G4050:
|
|
if (s->val[OPT_SCAN_SW].b == s->last_val[OPT_SCAN_SW].b)
|
|
s->val[OPT_SCAN_SW].b = (val & 0x01) == 0;
|
|
if (s->val[OPT_FILE_SW].b == s->last_val[OPT_FILE_SW].b)
|
|
s->val[OPT_FILE_SW].b = (val & 0x02) == 0;
|
|
if (s->val[OPT_EMAIL_SW].b == s->last_val[OPT_EMAIL_SW].b)
|
|
s->val[OPT_EMAIL_SW].b = (val & 0x04) == 0;
|
|
if (s->val[OPT_COPY_SW].b == s->last_val[OPT_COPY_SW].b)
|
|
s->val[OPT_COPY_SW].b = (val & 0x08) == 0;
|
|
break;
|
|
case GPO_CS4400F:
|
|
case GPO_CS8400F:
|
|
default:
|
|
break;
|
|
}
|
|
|
|
return status;
|
|
}
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
/** @brief move sensor to transparency adaptor
|
|
* Move sensor to the calibration of the transparency adapator (XPA).
|
|
* @param dev device to use
|
|
*/
|
|
SANE_Status gl843_move_to_ta (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
float resolution;
|
|
unsigned int feed;
|
|
|
|
DBGSTART;
|
|
|
|
resolution=sanei_genesys_get_lowest_ydpi(dev);
|
|
feed = 16*(SANE_UNFIX (dev->model->y_offset_calib_ta) * resolution) / MM_PER_INCH;
|
|
status = gl843_feed (dev, feed);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to move to XPA calibration area\n", __FUNCTION__);
|
|
return status;
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
|
|
/** @brief search for a full width black or white strip.
|
|
* This function searches for a black or white stripe across the scanning area.
|
|
* When searching backward, the searched area must completely be of the desired
|
|
* color since this area will be used for calibration which scans forward.
|
|
* @param dev scanner device
|
|
* @param forward SANE_TRUE if searching forward, SANE_FALSE if searching backward
|
|
* @param black SANE_TRUE if searching for a black strip, SANE_FALSE for a white strip
|
|
* @return SANE_STATUS_GOOD if a matching strip is found, SANE_STATUS_UNSUPPORTED if not
|
|
*/
|
|
static SANE_Status
|
|
gl843_search_strip (Genesys_Device * dev, SANE_Bool forward, SANE_Bool black)
|
|
{
|
|
unsigned int pixels, lines, channels;
|
|
SANE_Status status;
|
|
Genesys_Register_Set local_reg[GENESYS_GL843_MAX_REGS];
|
|
size_t size;
|
|
uint8_t *data;
|
|
int steps, depth, dpi;
|
|
unsigned int pass, count, found, x, y;
|
|
char title[80];
|
|
Genesys_Register_Set *r;
|
|
|
|
DBG (DBG_proc, "gl843_search_strip %s %s\n", black ? "black" : "white",
|
|
forward ? "forward" : "reverse");
|
|
|
|
gl843_set_fe (dev, AFE_SET);
|
|
status = gl843_stop_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_search_strip: failed to stop: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* set up for a gray scan at lowest dpi */
|
|
dpi = sanei_genesys_get_lowest_dpi(dev);
|
|
channels = 1;
|
|
|
|
/* 10 MM */
|
|
/* lines = (10 * dpi) / MM_PER_INCH; */
|
|
/* shading calibation is done with dev->motor.base_ydpi */
|
|
lines = (dev->model->shading_lines * dpi) / dev->motor.base_ydpi;
|
|
depth = 8;
|
|
pixels = (dev->sensor.sensor_pixels * dpi) / dev->sensor.optical_res;
|
|
size = pixels * channels * lines * (depth / 8);
|
|
data = malloc (size);
|
|
if (!data)
|
|
{
|
|
DBG (DBG_error, "gl843_search_strip: failed to allocate memory\n");
|
|
return SANE_STATUS_NO_MEM;
|
|
}
|
|
dev->scanhead_position_in_steps = 0;
|
|
|
|
memcpy (local_reg, dev->reg,
|
|
GENESYS_GL843_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
|
|
status = gl843_init_scan_regs (dev,
|
|
local_reg,
|
|
dpi,
|
|
dpi,
|
|
0,
|
|
0,
|
|
pixels,
|
|
lines,
|
|
depth,
|
|
channels,
|
|
SCAN_MODE_GRAY,
|
|
0,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free(data);
|
|
DBG (DBG_error,
|
|
"gl843_search_strip: failed to setup for scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* set up for reverse or forward */
|
|
r = sanei_genesys_get_address (local_reg, REG02);
|
|
if (forward)
|
|
r->value &= ~REG02_MTRREV;
|
|
else
|
|
r->value |= REG02_MTRREV;
|
|
|
|
|
|
status = dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL843_MAX_REGS);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free(data);
|
|
DBG (DBG_error,
|
|
"gl843_search_strip: failed to bulk write registers: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status = gl843_begin_scan (dev, local_reg, SANE_TRUE);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error,
|
|
"gl843_search_strip: failed to begin scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* waits for valid data */
|
|
do
|
|
sanei_genesys_test_buffer_empty (dev, &steps);
|
|
while (steps);
|
|
|
|
/* now we're on target, we can read data */
|
|
status = sanei_genesys_read_data_from_scanner (dev, data, size);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error,
|
|
"gl843_search_start_position: failed to read data: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status = gl843_stop_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error, "gl843_search_strip: gl843_stop_action failed\n");
|
|
return status;
|
|
}
|
|
|
|
pass = 0;
|
|
if (DBG_LEVEL >= DBG_data)
|
|
{
|
|
sprintf (title, "search_strip_%s_%s%02d.pnm",
|
|
black ? "black" : "white", forward ? "fwd" : "bwd", (int)pass);
|
|
sanei_genesys_write_pnm_file (title, data, depth, channels, pixels,
|
|
lines);
|
|
}
|
|
|
|
/* loop until strip is found or maximum pass number done */
|
|
found = 0;
|
|
while (pass < 20 && !found)
|
|
{
|
|
status =
|
|
dev->model->cmd_set->bulk_write_register (dev, local_reg, GENESYS_GL843_MAX_REGS);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl843_search_strip: failed to bulk write registers: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* now start scan */
|
|
status = gl843_begin_scan (dev, local_reg, SANE_TRUE);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error,
|
|
"gl843_search_strip: failed to begin scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* waits for valid data */
|
|
do
|
|
sanei_genesys_test_buffer_empty (dev, &steps);
|
|
while (steps);
|
|
|
|
/* now we're on target, we can read data */
|
|
status = sanei_genesys_read_data_from_scanner (dev, data, size);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error,
|
|
"gl843_search_start_position: failed to read data: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
status = gl843_stop_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error, "gl843_search_strip: gl843_stop_action failed\n");
|
|
return status;
|
|
}
|
|
|
|
if (DBG_LEVEL >= DBG_data)
|
|
{
|
|
sprintf (title, "search_strip_%s_%s%02d.pnm",
|
|
black ? "black" : "white", forward ? "fwd" : "bwd", (int)pass);
|
|
sanei_genesys_write_pnm_file (title, data, depth, channels,
|
|
pixels, lines);
|
|
}
|
|
|
|
/* search data to find black strip */
|
|
/* when searching forward, we only need one line of the searched color since we
|
|
* will scan forward. But when doing backward search, we need all the area of the
|
|
* same color */
|
|
if (forward)
|
|
{
|
|
for (y = 0; y < lines && !found; y++)
|
|
{
|
|
count = 0;
|
|
/* count of white/black pixels depending on the color searched */
|
|
for (x = 0; x < pixels; x++)
|
|
{
|
|
/* when searching for black, detect white pixels */
|
|
if (black && data[y * pixels + x] > 90)
|
|
{
|
|
count++;
|
|
}
|
|
/* when searching for white, detect black pixels */
|
|
if (!black && data[y * pixels + x] < 60)
|
|
{
|
|
count++;
|
|
}
|
|
}
|
|
|
|
/* at end of line, if count >= 3%, line is not fully of the desired color
|
|
* so we must go to next line of the buffer */
|
|
/* count*100/pixels < 3 */
|
|
if ((count * 100) / pixels < 3)
|
|
{
|
|
found = 1;
|
|
DBG (DBG_data,
|
|
"gl843_search_strip: strip found forward during pass %d at line %d\n",
|
|
pass, y);
|
|
}
|
|
else
|
|
{
|
|
DBG (DBG_data,
|
|
"gl843_search_strip: pixels=%d, count=%d (%d%%)\n",
|
|
pixels, count, (100 * count) / pixels);
|
|
}
|
|
}
|
|
}
|
|
else /* since calibration scans are done forward, we need the whole area
|
|
to be of the required color when searching backward */
|
|
{
|
|
count = 0;
|
|
for (y = 0; y < lines; y++)
|
|
{
|
|
/* count of white/black pixels depending on the color searched */
|
|
for (x = 0; x < pixels; x++)
|
|
{
|
|
/* when searching for black, detect white pixels */
|
|
if (black && data[y * pixels + x] > 90)
|
|
{
|
|
count++;
|
|
}
|
|
/* when searching for white, detect black pixels */
|
|
if (!black && data[y * pixels + x] < 60)
|
|
{
|
|
count++;
|
|
}
|
|
}
|
|
}
|
|
|
|
/* at end of area, if count >= 3%, area is not fully of the desired color
|
|
* so we must go to next buffer */
|
|
if ((count * 100) / (pixels * lines) < 3)
|
|
{
|
|
found = 1;
|
|
DBG (DBG_data,
|
|
"gl843_search_strip: strip found backward during pass %d \n",
|
|
pass);
|
|
}
|
|
else
|
|
{
|
|
DBG (DBG_data,
|
|
"gl843_search_strip: pixels=%d, count=%d (%d%%)\n",
|
|
pixels, count, (100 * count) / pixels);
|
|
}
|
|
}
|
|
pass++;
|
|
}
|
|
free (data);
|
|
if (found)
|
|
{
|
|
status = SANE_STATUS_GOOD;
|
|
DBG (DBG_info, "gl843_search_strip: %s strip found\n",
|
|
black ? "black" : "white");
|
|
}
|
|
else
|
|
{
|
|
status = SANE_STATUS_UNSUPPORTED;
|
|
DBG (DBG_info, "gl843_search_strip: %s strip not found\n",
|
|
black ? "black" : "white");
|
|
}
|
|
|
|
DBG (DBG_proc, "gl843_search_strip: completed\n");
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* Send shading calibration data. The buffer is considered to always hold values
|
|
* for all the channels.
|
|
*/
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl843_send_shading_data (Genesys_Device * dev, uint8_t * data, int size)
|
|
{
|
|
SANE_Status status;
|
|
uint32_t final_size, length, i;
|
|
uint8_t *final_data;
|
|
uint8_t *buffer;
|
|
int count,offset;
|
|
unsigned int tgtime;
|
|
unsigned int cksel;
|
|
Genesys_Register_Set *r;
|
|
uint16_t dpiset, strpixel, endpixel, startx, factor;
|
|
|
|
DBGSTART;
|
|
|
|
offset=0;
|
|
length=size;
|
|
r = sanei_genesys_get_address (dev->reg, REG01);
|
|
if(r->value & REG01_SHDAREA)
|
|
{
|
|
/* recompute STRPIXEL used shading calibration so we can
|
|
* compute offset within data for SHDAREA case */
|
|
r = sanei_genesys_get_address (dev->reg, REG18);
|
|
cksel= (r->value & REG18_CKSEL)+1;
|
|
sanei_genesys_get_double(dev->reg,REG_DPISET,&strpixel);
|
|
tgtime=1;
|
|
sanei_genesys_get_double(dev->reg,REG_DPISET,&dpiset);
|
|
factor=dev->sensor.optical_res/sanei_genesys_compute_dpihw(dev,dpiset);
|
|
if (dev->model->ccd_type == CCD_G4050 && dpiset>2400)
|
|
{
|
|
tgtime=2;
|
|
}
|
|
|
|
/* start coordinate in optical dpi coordinates */
|
|
startx = ((dev->sensor.dummy_pixel * tgtime)/cksel)/factor;
|
|
|
|
/* current scan coordinates */
|
|
sanei_genesys_get_double(dev->reg,REG_STRPIXEL,&strpixel);
|
|
sanei_genesys_get_double(dev->reg,REG_ENDPIXEL,&endpixel);
|
|
strpixel*=tgtime;
|
|
endpixel*=tgtime;
|
|
|
|
/* 16 bit words, 2 words per color, 3 color channels */
|
|
offset=(strpixel-startx)*2*2*3;
|
|
length=(endpixel-strpixel)*2*2*3;
|
|
DBG (DBG_info, "%s: STRPIXEL=%d, ENDPIXEL=%d, startx=%d\n", __FUNCTION__, strpixel, endpixel, startx);
|
|
}
|
|
|
|
/* compute and allocate size for final data */
|
|
final_size = ((length+251) / 252) * 256;
|
|
DBG (DBG_io, "%s: final shading size=%04x (length=%d)\n", __FUNCTION__, final_size, length);
|
|
final_data = (uint8_t *) malloc (final_size);
|
|
if(final_data==NULL)
|
|
{
|
|
DBG (DBG_error, "%s: failed to allocate memory for shading data\n", __FUNCTION__);
|
|
return SANE_STATUS_NO_MEM;
|
|
}
|
|
memset(final_data,0x00,final_size);
|
|
|
|
/* copy regular shading data to the expected layout */
|
|
buffer = final_data;
|
|
count = 0;
|
|
|
|
/* loop over calibration data */
|
|
for (i = 0; i < length; i++)
|
|
{
|
|
buffer[count] = data[offset+i];
|
|
count++;
|
|
if ((count % (256*2)) == (252*2))
|
|
{
|
|
count += 4*2;
|
|
}
|
|
}
|
|
|
|
/* send data */
|
|
status = sanei_genesys_set_buffer_address (dev, 0);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to set buffer address: %s\n", __FUNCTION__, sane_strstatus (status));
|
|
free(final_data);
|
|
return status;
|
|
}
|
|
|
|
status = dev->model->cmd_set->bulk_write_data (dev, 0x3c, final_data, count);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to send shading table: %s\n", __FUNCTION__, sane_strstatus (status));
|
|
}
|
|
|
|
free(final_data);
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
|
|
/** the gl843 command set */
|
|
static Genesys_Command_Set gl843_cmd_set = {
|
|
"gl843-generic", /* the name of this set */
|
|
|
|
gl843_init,
|
|
gl843_init_regs_for_warmup,
|
|
gl843_init_regs_for_coarse_calibration,
|
|
gl843_init_regs_for_shading,
|
|
gl843_init_regs_for_scan,
|
|
|
|
gl843_get_filter_bit,
|
|
gl843_get_lineart_bit,
|
|
gl843_get_bitset_bit,
|
|
gl843_get_gain4_bit,
|
|
gl843_get_fast_feed_bit,
|
|
gl843_test_buffer_empty_bit,
|
|
gl843_test_motor_flag_bit,
|
|
|
|
gl843_bulk_full_size,
|
|
|
|
gl843_set_fe,
|
|
gl843_set_powersaving,
|
|
gl843_save_power,
|
|
|
|
gl843_set_motor_power,
|
|
gl843_set_lamp_power,
|
|
|
|
gl843_begin_scan,
|
|
gl843_end_scan,
|
|
|
|
gl843_send_gamma_table,
|
|
|
|
gl843_search_start_position,
|
|
|
|
gl843_offset_calibration,
|
|
gl843_coarse_gain_calibration,
|
|
gl843_led_calibration,
|
|
|
|
gl843_slow_back_home,
|
|
|
|
sanei_genesys_bulk_write_register,
|
|
gl843_bulk_write_data,
|
|
gl843_bulk_read_data,
|
|
|
|
gl843_update_hardware_sensors,
|
|
|
|
gl843_load_document,
|
|
gl843_detect_document_end,
|
|
gl843_eject_document,
|
|
gl843_search_strip,
|
|
|
|
sanei_genesys_is_compatible_calibration,
|
|
gl843_move_to_ta,
|
|
gl843_send_shading_data,
|
|
gl843_calculate_current_setup,
|
|
gl843_boot,
|
|
NULL
|
|
};
|
|
|
|
SANE_Status
|
|
sanei_gl843_init_cmd_set (Genesys_Device * dev)
|
|
{
|
|
dev->model->cmd_set = &gl843_cmd_set;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* vim: set sw=2 cino=>2se-1sn-1s{s^-1st0(0u0 smarttab expandtab: */
|