kopia lustrzana https://gitlab.com/sane-project/backends
4088 wiersze
107 KiB
C
4088 wiersze
107 KiB
C
/* sane - Scanner Access Now Easy.
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Copyright (C) 2010 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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#include "genesys_gl124.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 to many GL124 registers at once
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* Note: sequential call to write register, no effective
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* bulk write implemented.
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* @param dev device to write to
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* @param reg pointer to an array of registers
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* @param elems size of the array
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*/
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#ifndef UNIT_TESTING
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static
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#endif
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SANE_Status
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gl124_bulk_write_register (Genesys_Device * dev, Genesys_Register_Set * reg,
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size_t elems)
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{
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SANE_Status status = SANE_STATUS_GOOD;
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size_t i;
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for (i = 0; i < elems && status == SANE_STATUS_GOOD; i++)
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{
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if (reg[i].address != 0)
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{
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status =
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sanei_genesys_write_register (dev, reg[i].address, reg[i].value);
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}
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}
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DBG (DBG_io, "gl124_bulk_write_register: wrote %lu registers\n",
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(u_long) elems);
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return status;
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}
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/** @brief read scanned data
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* Read in 0xeff0 maximum sized blocks. This read is done in 2
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* parts if not multple of 512. First read is rounded to a multiple of 512 bytes, last read fetches the
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* remainder. Read addr is always 0x10000000 with the memory layout setup.
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* @param dev device to read data from
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* @param addr address within ASIC emory space
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* @param data pointer where to store the read data
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* @param len size to read
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*/
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static SANE_Status
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gl124_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, target, read, done;
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uint8_t outdata[8];
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DBG (DBG_io, "gl124_bulk_read_data: requesting %lu bytes (unused addr=0x%02x)\n", (u_long) len,addr);
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if (len == 0)
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return SANE_STATUS_GOOD;
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target = len;
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/* loop until computed data size is read */
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while (target)
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{
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if (target > 0xeff0)
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{
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size = 0xeff0;
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}
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else
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{
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size = target;
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}
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/* hard coded 0x10000000 addr */
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outdata[0] = 0;
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outdata[1] = 0;
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outdata[2] = 0;
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outdata[3] = 0x10;
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/* data size to transfer */
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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, 0x00, 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, "%s failed while writing command: %s\n",
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__FUNCTION__, sane_strstatus (status));
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return status;
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}
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/* blocks must be multiple of 512 but not last block */
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read = size;
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read /= 512;
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read *= 512;
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if(read>0)
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{
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DBG (DBG_io2,
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"gl124_bulk_read_data: trying to read %lu bytes of data\n",
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(u_long) read);
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status = sanei_usb_read_bulk (dev->dn, data, &read);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"gl124_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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}
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/* read less than 512 bytes remainder */
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if (read < size)
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{
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done = read;
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read = size - read;
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DBG (DBG_io2,
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"gl124_bulk_read_data: trying to read remaining %lu bytes of data\n",
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(u_long) read);
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status = sanei_usb_read_bulk (dev->dn, data+done, &read);
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if (status != SANE_STATUS_GOOD)
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{
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DBG (DBG_error,
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"gl124_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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}
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DBG (DBG_io2, "%s: read %lu bytes, %lu remaining\n", __FUNCTION__,
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(u_long) size, (u_long) (target - size));
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target -= 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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gl124_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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gl124_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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gl124_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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gl124_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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gl124_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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static SANE_Bool
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gl124_test_buffer_empty_bit (SANE_Byte val)
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{
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if (val & 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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gl124_test_motor_flag_bit (SANE_Byte val)
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{
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if (val & MOTORENB)
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return SANE_TRUE;
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return SANE_FALSE;
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}
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/** @get 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 LiDE 110 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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* @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)
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{
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unsigned int i;
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int idx;
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i=0;
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idx=-1;
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while(i<sizeof(sensors)/sizeof(Sensor_Profile))
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{
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/* exact match */
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if(sensors[i].sensor_type==sensor_type && sensors[i].dpi==dpi)
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{
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return &(sensors[i]);
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}
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/* closest match */
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if(sensors[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(sensors[i].dpi>=dpi
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&& sensors[i].dpi<sensors[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 &(sensors[idx]);
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}
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/** @get motor 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 full step and at a reference exposure. Use LiDE 110 table
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* by default.
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* @param motor_type motor id
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* @param exposure exposure time
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* @return a pointer to a Motor_Profile struct
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*/
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static Motor_Profile *get_motor_profile(int motor_type, int exposure)
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{
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unsigned int i;
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int idx;
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i=0;
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idx=-1;
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while(i<sizeof(motors)/sizeof(Motor_Profile))
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{
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/* exact match */
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if(motors[i].motor_type==motor_type && motors[i].exposure==exposure)
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{
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return &(motors[i]);
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}
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/* closest match */
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if(motors[i].motor_type==motor_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(motors[i].exposure>=exposure
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&& motors[i].exposure<motors[idx].exposure)
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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 motor profile\n",__FUNCTION__);
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idx=0;
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}
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return &(motors[idx]);
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}
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/** @brief returns the lowest possible ydpi for the device
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* Parses device entry to find lowest motor dpi.
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* @dev device description
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* @return lowest motor resolution
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*/
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/*
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static int gl124_get_lowest_ydpi(Genesys_Device *dev)
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{
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int min=9600;
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int i=0;
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while(dev->model->ydpi_values[i]!=0)
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{
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if(dev->model->ydpi_values[i]<min)
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{
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min=dev->model->ydpi_values[i];
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}
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i++;
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}
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return min;
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}
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*/
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/** @brief generate slope table
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* Generate the slope table to use for the scan using a reference slope
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* table.
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* @param slope pointer to the slope table to fill
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* @param steps pointer to return used step number
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* @param dpi desired motor resolution
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* @param exposure exposure used
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* @param base_dpi base resolution of the motor
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* @param step_type step type used for scan
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* @param factor shrink factor for the slope
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* @param motor_type motor id
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*/
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static int gl124_slope_table(uint16_t *slope,
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int *steps,
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int dpi,
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int exposure,
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int base_dpi,
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int step_type,
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int factor,
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int motor_type)
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{
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int sum, i;
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uint16_t target,current;
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Motor_Profile *profile;
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/* required speed */
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target=((exposure * dpi) / base_dpi)>>step_type;
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/* fill result with target speed */
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for(i=0;i<SLOPE_TABLE_SIZE;i++)
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slope[i]=target;
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profile=get_motor_profile(motor_type,exposure);
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/* use profile to build table */
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i=0;
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sum=0;
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/* first step is used unmodified */
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current=profile->table[0];
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/* loop on profile copying and apply step type */
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while(i<SLOPE_TABLE_SIZE && current>=target)
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{
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slope[i]=current;
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sum+=slope[i];
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i++;
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current=profile->table[i*factor]>>step_type;
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}
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if(i<3 && DBG_LEVEL >= DBG_warn)
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{
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DBG (DBG_warn,"%s: short slope table, failed to reach %d\n",__FUNCTION__,target);
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}
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/* ensure minimal slope size */
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while(i<8)
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{
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sum+=slope[i];
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i++;
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}
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/* return used steps and acceleration sum */
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*steps=i;
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return sum;
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}
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/* returns the max register bulk size */
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static int
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gl124_bulk_full_size (void)
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{
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return GENESYS_GL124_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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gl124_init_registers (Genesys_Device * dev)
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{
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DBGSTART;
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memset (dev->reg, 0, GENESYS_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
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/* default to LiDE 110 */
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SETREG (0x01,0xa2); /* + REG01_SHDAREA */
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SETREG (0x02,0x90);
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SETREG (0x03,0x50);
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SETREG (0x03,0x50 & ~REG03_AVEENB);
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SETREG (0x04,0x03);
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SETREG (0x05,0x00);
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SETREG (0x06,0x50 | REG06_GAIN4); /* causes calibration trouble */
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SETREG (0x06,0x50);
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/* SETREG (0x07,0x00); */
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/* SETREG (0x08,0x10); */
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SETREG (0x09,0x00);
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SETREG (0x0a,0xc0);
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SETREG (0x0b,0x2a);
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SETREG (0x0c,0x12);
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SETREG (0x11,0x00);
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SETREG (0x12,0x00);
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SETREG (0x13,0x0f);
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SETREG (0x14,0x00);
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SETREG (0x15,0x80);
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SETREG (0x16,0x10);
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SETREG (0x17,0x04);
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SETREG (0x18,0x00);
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SETREG (0x19,0x01);
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SETREG (0x1a,0x30);
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SETREG (0x1b,0x00);
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SETREG (0x1c,0x00);
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SETREG (0x1d,0x01);
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SETREG (0x1e,0x10);
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SETREG (0x1f,0x00);
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SETREG (0x20,0x15);
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SETREG (0x21,0x00);
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SETREG (0x22,0x02);
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SETREG (0x23,0x00);
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SETREG (0x24,0x00);
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SETREG (0x25,0x00);
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SETREG (0x26,0x0d);
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SETREG (0x27,0x48);
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SETREG (0x28,0x00);
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SETREG (0x29,0x56);
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SETREG (0x2a,0x5e);
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SETREG (0x2b,0x02);
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SETREG (0x2c,0x02);
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SETREG (0x2d,0x58);
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SETREG (0x3b,0x00);
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SETREG (0x3c,0x00);
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SETREG (0x3d,0x00);
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SETREG (0x3e,0x00);
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SETREG (0x3f,0x02);
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SETREG (0x40,0x00);
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SETREG (0x41,0x00);
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SETREG (0x42,0x00);
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SETREG (0x43,0x00);
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SETREG (0x44,0x00);
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SETREG (0x45,0x00);
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SETREG (0x46,0x00);
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SETREG (0x47,0x00);
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SETREG (0x48,0x00);
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SETREG (0x49,0x00);
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SETREG (0x4f,0x00);
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SETREG (0x52,0x00);
|
|
SETREG (0x53,0x02);
|
|
SETREG (0x54,0x04);
|
|
SETREG (0x55,0x06);
|
|
SETREG (0x56,0x04);
|
|
SETREG (0x57,0x04);
|
|
SETREG (0x58,0x04);
|
|
SETREG (0x59,0x04);
|
|
SETREG (0x5a,0x1a);
|
|
SETREG (0x5b,0x00);
|
|
SETREG (0x5c,0xc0);
|
|
SETREG (0x5f,0x00);
|
|
SETREG (0x60,0x02);
|
|
SETREG (0x61,0x00);
|
|
SETREG (0x62,0x00);
|
|
SETREG (0x63,0x00);
|
|
SETREG (0x64,0x00);
|
|
SETREG (0x65,0x00);
|
|
SETREG (0x66,0x00);
|
|
SETREG (0x67,0x00);
|
|
SETREG (0x68,0x00);
|
|
SETREG (0x69,0x00);
|
|
SETREG (0x6a,0x00);
|
|
SETREG (0x6b,0x00);
|
|
SETREG (0x6c,0x00);
|
|
SETREG (0x6d,0xd0);
|
|
SETREG (0x6e,0x00);
|
|
SETREG (0x6f,0x00);
|
|
SETREG (0x70,0x06);
|
|
SETREG (0x71,0x08);
|
|
SETREG (0x72,0x08);
|
|
SETREG (0x73,0x0a);
|
|
|
|
/* 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 (0x7e,0x08);
|
|
SETREG (0x7f,0x58);
|
|
SETREG (0x80,0x00);
|
|
SETREG (0x81,0x14);
|
|
|
|
/* STRPIXEL */
|
|
SETREG (0x82,0x00);
|
|
SETREG (0x83,0x00);
|
|
SETREG (0x84,0x00);
|
|
/* ENDPIXEL */
|
|
SETREG (0x85,0x00);
|
|
SETREG (0x86,0x00);
|
|
SETREG (0x87,0x00);
|
|
|
|
SETREG (0x88,0x00);
|
|
SETREG (0x89,0x65);
|
|
SETREG (0x8a,0x00);
|
|
SETREG (0x8b,0x00);
|
|
SETREG (0x8c,0x00);
|
|
SETREG (0x8d,0x00);
|
|
SETREG (0x8e,0x00);
|
|
SETREG (0x8f,0x00);
|
|
SETREG (0x90,0x00);
|
|
SETREG (0x91,0x00);
|
|
SETREG (0x92,0x00);
|
|
SETREG (0x93,0x00);
|
|
SETREG (0x94,0x14);
|
|
SETREG (0x95,0x30);
|
|
SETREG (0x96,0x00);
|
|
SETREG (0x97,0x90);
|
|
SETREG (0x98,0x01);
|
|
SETREG (0x99,0x1f);
|
|
SETREG (0x9a,0x00);
|
|
SETREG (0x9b,0x80);
|
|
SETREG (0x9c,0x80);
|
|
SETREG (0x9d,0x3f);
|
|
SETREG (0x9e,0x00);
|
|
SETREG (0x9f,0x00);
|
|
SETREG (0xa0,0x20);
|
|
SETREG (0xa1,0x30);
|
|
SETREG (0xa2,0x00);
|
|
SETREG (0xa3,0x20);
|
|
SETREG (0xa4,0x01);
|
|
SETREG (0xa5,0x00);
|
|
SETREG (0xa6,0x00);
|
|
SETREG (0xa7,0x08);
|
|
SETREG (0xa8,0x00);
|
|
SETREG (0xa9,0x08);
|
|
SETREG (0xaa,0x01);
|
|
SETREG (0xab,0x00);
|
|
SETREG (0xac,0x00);
|
|
SETREG (0xad,0x40);
|
|
SETREG (0xae,0x01);
|
|
SETREG (0xaf,0x00);
|
|
SETREG (0xb0,0x00);
|
|
SETREG (0xb1,0x40);
|
|
SETREG (0xb2,0x00);
|
|
SETREG (0xb3,0x09);
|
|
SETREG (0xb4,0x5b);
|
|
SETREG (0xb5,0x00);
|
|
SETREG (0xb6,0x10);
|
|
SETREG (0xb7,0x3f);
|
|
SETREG (0xb8,0x00);
|
|
SETREG (0xbb,0x00);
|
|
SETREG (0xbc,0xff);
|
|
SETREG (0xbd,0x00);
|
|
SETREG (0xbe,0x07);
|
|
SETREG (0xc3,0x00);
|
|
SETREG (0xc4,0x00);
|
|
|
|
/* gamma
|
|
SETREG (0xc5,0x00);
|
|
SETREG (0xc6,0x00);
|
|
SETREG (0xc7,0x00);
|
|
SETREG (0xc8,0x00);
|
|
SETREG (0xc9,0x00);
|
|
SETREG (0xca,0x00);
|
|
SETREG (0xcb,0x00);
|
|
SETREG (0xcc,0x00);
|
|
SETREG (0xcd,0x00);
|
|
SETREG (0xce,0x00);
|
|
*/
|
|
|
|
/* memory layout
|
|
SETREG (0xd0,0x0a);
|
|
SETREG (0xd1,0x1f);
|
|
SETREG (0xd2,0x34); */
|
|
SETREG (0xd3,0x00);
|
|
SETREG (0xd4,0x00);
|
|
SETREG (0xd5,0x00);
|
|
SETREG (0xd6,0x00);
|
|
SETREG (0xd7,0x00);
|
|
SETREG (0xd8,0x00);
|
|
SETREG (0xd9,0x00);
|
|
|
|
/* memory layout
|
|
SETREG (0xe0,0x00);
|
|
SETREG (0xe1,0x48);
|
|
SETREG (0xe2,0x15);
|
|
SETREG (0xe3,0x90);
|
|
SETREG (0xe4,0x15);
|
|
SETREG (0xe5,0x91);
|
|
SETREG (0xe6,0x2a);
|
|
SETREG (0xe7,0xd9);
|
|
SETREG (0xe8,0x2a);
|
|
SETREG (0xe9,0xad);
|
|
SETREG (0xea,0x40);
|
|
SETREG (0xeb,0x22);
|
|
SETREG (0xec,0x40);
|
|
SETREG (0xed,0x23);
|
|
SETREG (0xee,0x55);
|
|
SETREG (0xef,0x6b);
|
|
SETREG (0xf0,0x55);
|
|
SETREG (0xf1,0x6c);
|
|
SETREG (0xf2,0x6a);
|
|
SETREG (0xf3,0xb4);
|
|
SETREG (0xf4,0x6a);
|
|
SETREG (0xf5,0xb5);
|
|
SETREG (0xf6,0x7f);
|
|
SETREG (0xf7,0xfd);*/
|
|
|
|
SETREG (0xf8,0x01); /* other value is 0x05 */
|
|
SETREG (0xf9,0x00);
|
|
SETREG (0xfa,0x00);
|
|
SETREG (0xfb,0x00);
|
|
SETREG (0xfc,0x00);
|
|
SETREG (0xff,0x00);
|
|
|
|
/* 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_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
|
|
DBGCOMPLETED;
|
|
}
|
|
|
|
/**@brief send slope table for motor movement
|
|
* Send slope_table in machine byte order
|
|
* @param dev device to send slope table
|
|
* @param table_nr index of the slope table in ASIC memory
|
|
* Must be in the [0-4] range.
|
|
* @param slope_table pointer to 16 bit values array of the slope table
|
|
* @param steps number of elemnts in the slope table
|
|
*/
|
|
static SANE_Status
|
|
gl124_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[2048];
|
|
|
|
DBG (DBG_proc, "%s (table_nr = %d, steps = %d)\n", __FUNCTION__,
|
|
table_nr, steps);
|
|
|
|
/* sanity check */
|
|
if(table_nr<0 || table_nr>4)
|
|
{
|
|
DBG (DBG_error, "%s: invalid table number %d!\n", __FUNCTION__, table_nr);
|
|
return SANE_STATUS_INVAL;
|
|
}
|
|
|
|
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, "%s,%d", msg, slope_table[i]);
|
|
}
|
|
DBG (DBG_io, "%s: %s\n", __FUNCTION__, msg);
|
|
}
|
|
|
|
/* slope table addresses are fixed */
|
|
status =
|
|
sanei_genesys_write_ahb (dev->dn, 0x10000000 + 0x4000 * table_nr, steps * 2, table);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"%s: write to AHB failed writing slope table %d (%s)\n",
|
|
__FUNCTION__, table_nr, sane_strstatus (status));
|
|
}
|
|
|
|
free (table);
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* Set register values of 'special' type frontend
|
|
* */
|
|
static SANE_Status
|
|
gl124_set_ti_fe (Genesys_Device * dev, uint8_t set)
|
|
{
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
int i;
|
|
uint16_t val;
|
|
|
|
DBGSTART;
|
|
if (set == AFE_INIT)
|
|
{
|
|
DBG (DBG_proc, "%s: setting DAC %u\n", __FUNCTION__,
|
|
dev->model->dac_type);
|
|
|
|
/* sets to default values */
|
|
sanei_genesys_init_fe (dev);
|
|
}
|
|
|
|
/* start writing to DAC */
|
|
status = sanei_genesys_fe_write_data (dev, 0x00, 0x80);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to write reg0: %s\n", __FUNCTION__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* write values to analog frontend */
|
|
for (i = 1; i < 4; i++)
|
|
{
|
|
val = dev->frontend.reg[i];
|
|
status = sanei_genesys_fe_write_data (dev, i, val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"%s: failed to write reg %d: %s\n", __FUNCTION__, i,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
|
|
status = sanei_genesys_fe_write_data (dev, 0x04, 0x00);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to write reg4: %s\n", __FUNCTION__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
/* these are not really sign */
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
val = dev->frontend.sign[i];
|
|
status = sanei_genesys_fe_write_data (dev, 0x05 + i, val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"%s: failed to write reg %d: %s\n", __FUNCTION__, i+5,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
|
|
/* close writing to DAC */
|
|
status = sanei_genesys_fe_write_data (dev, 0x00, 0x11);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to write reg0: %s\n", __FUNCTION__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
|
|
return status;
|
|
}
|
|
|
|
|
|
/* Set values of analog frontend */
|
|
static SANE_Status
|
|
gl124_set_fe (Genesys_Device * dev, uint8_t set)
|
|
{
|
|
SANE_Status status;
|
|
uint8_t val;
|
|
|
|
DBG (DBG_proc, "gl124_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, "gl124_set_fe(): setting DAC %u\n",
|
|
dev->model->dac_type);
|
|
sanei_genesys_init_fe (dev);
|
|
}
|
|
|
|
RIE (sanei_genesys_read_register (dev, REG0A, &val));
|
|
|
|
/* route to correct analog FE */
|
|
switch ((val & REG0A_SIFSEL)>>REG0AS_SIFSEL)
|
|
{
|
|
case 3:
|
|
status=gl124_set_ti_fe (dev, set);
|
|
break;
|
|
case 0:
|
|
case 1:
|
|
case 2:
|
|
default:
|
|
DBG (DBG_error, "%s: unsupported anlog FE 0x%02x\n",__FUNCTION__,val);
|
|
status=SANE_STATUS_INVAL;
|
|
break;
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
|
|
/**@brief compute hardware sensor dpi to use
|
|
* compute the sensor hardware dpi based on target resolution.
|
|
* A lower dpihw enable faster scans.
|
|
* @param dev device used for the scan
|
|
* @param xres x resolution of the scan
|
|
* @return the hardware dpi to use
|
|
*/
|
|
static int gl124_compute_dpihw(Genesys_Device *dev, int xres)
|
|
{
|
|
switch(dev->model->ccd_type)
|
|
{
|
|
default:
|
|
if(xres<=dev->sensor.optical_res/4)
|
|
{
|
|
return dev->sensor.optical_res/4;
|
|
}
|
|
if(xres<=dev->sensor.optical_res/2)
|
|
{
|
|
return dev->sensor.optical_res/2;
|
|
}
|
|
return dev->sensor.optical_res;
|
|
}
|
|
}
|
|
|
|
/**@brief compute exposure to use
|
|
* compute the sensor exposure based on target resolution
|
|
*/
|
|
static int gl124_compute_exposure(Genesys_Device *dev, int xres)
|
|
{
|
|
Sensor_Profile *sensor;
|
|
|
|
sensor=get_sensor_profile(dev->model->ccd_type, xres);
|
|
return sensor->exposure;
|
|
}
|
|
|
|
/**@brief compute motor step type to use
|
|
* compute the step type (full, half, quarter, ...) to use based
|
|
* on target resolution
|
|
* @param dev device description
|
|
* @param exposure sensor exposure
|
|
* @return 0 for full step
|
|
* 1 for half step
|
|
* 2 for quarter step
|
|
* 3 for eighth step
|
|
*/
|
|
static int gl124_compute_step_type(Genesys_Device *dev, int exposure)
|
|
{
|
|
Motor_Profile *profile;
|
|
|
|
profile=get_motor_profile(dev->model->motor_type,exposure);
|
|
return profile->step_type;
|
|
}
|
|
|
|
#define MOTOR_FLAG_AUTO_GO_HOME 1
|
|
#define MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE 2
|
|
#define MOTOR_FLAG_FEED 4
|
|
|
|
|
|
static SANE_Status
|
|
gl124_init_motor_regs_scan (Genesys_Device * dev,
|
|
Genesys_Register_Set * reg,
|
|
unsigned int scan_exposure_time,
|
|
float scan_yres,
|
|
int scan_step_type,
|
|
unsigned int scan_lines,
|
|
unsigned int scan_dummy,
|
|
unsigned int feed_steps,
|
|
int scan_mode,
|
|
unsigned int flags)
|
|
{
|
|
SANE_Status status;
|
|
int use_fast_fed;
|
|
unsigned int fast_time;
|
|
unsigned int slow_time;
|
|
unsigned int lincnt, fast_dpi;
|
|
uint16_t scan_table[SLOPE_TABLE_SIZE];
|
|
uint16_t fast_table[SLOPE_TABLE_SIZE];
|
|
int scan_steps,fast_steps,factor;
|
|
unsigned int feedl,dist;
|
|
Genesys_Register_Set *r;
|
|
uint32_t z1, z2;
|
|
float yres;
|
|
|
|
DBGSTART;
|
|
DBG (DBG_info, "gl124_init_motor_regs_scan : scan_exposure_time=%d, "
|
|
"scan_yres=%g, scan_step_type=%d, scan_lines=%d, scan_dummy=%d, "
|
|
"feed_steps=%d, scan_mode=%d, flags=%x\n",
|
|
scan_exposure_time,
|
|
scan_yres,
|
|
scan_step_type,
|
|
scan_lines, scan_dummy, feed_steps, scan_mode, flags);
|
|
|
|
/* we never use fast fed since we do manual feed for the scans */
|
|
use_fast_fed=0;
|
|
factor=1;
|
|
|
|
if(dev->line_interp>0)
|
|
{
|
|
lincnt=scan_lines*dev->line_interp;
|
|
}
|
|
else
|
|
{
|
|
lincnt=scan_lines;
|
|
}
|
|
|
|
yres=scan_yres;
|
|
if ((scan_mode == SCAN_MODE_COLOR) && (yres<900))
|
|
{
|
|
yres=900;
|
|
}
|
|
if ((scan_mode != SCAN_MODE_COLOR) && (yres<300))
|
|
{
|
|
yres=300;
|
|
}
|
|
|
|
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 = REG02_NOTHOME;
|
|
r->value |= REG02_MTRPWR;
|
|
|
|
if (use_fast_fed)
|
|
r->value |= REG02_FASTFED;
|
|
else
|
|
r->value &= ~REG02_FASTFED;
|
|
|
|
if (flags & MOTOR_FLAG_AUTO_GO_HOME)
|
|
r->value |= REG02_AGOHOME;
|
|
|
|
if ((flags & MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE)
|
|
||(yres>=dev->sensor.optical_res))
|
|
r->value |= REG02_ACDCDIS;
|
|
|
|
/* SCANFED */
|
|
sanei_genesys_set_double(reg,REG_SCANFED,4);
|
|
|
|
/* scan and backtracking slope table */
|
|
slow_time=gl124_slope_table(scan_table,
|
|
&scan_steps,
|
|
yres,
|
|
scan_exposure_time,
|
|
dev->motor.base_ydpi,
|
|
scan_step_type,
|
|
factor,
|
|
dev->model->motor_type);
|
|
RIE(gl124_send_slope_table (dev, SCAN_TABLE, scan_table, scan_steps));
|
|
RIE(gl124_send_slope_table (dev, BACKTRACK_TABLE, scan_table, scan_steps));
|
|
|
|
/* STEPNO */
|
|
sanei_genesys_set_double(reg,REG_STEPNO,scan_steps);
|
|
|
|
/* fast table */
|
|
fast_dpi=yres;
|
|
if (scan_mode != SCAN_MODE_COLOR)
|
|
{
|
|
fast_dpi*=3;
|
|
}
|
|
fast_time=gl124_slope_table(fast_table,
|
|
&fast_steps,
|
|
fast_dpi,
|
|
scan_exposure_time,
|
|
dev->motor.base_ydpi,
|
|
scan_step_type,
|
|
factor,
|
|
dev->model->motor_type);
|
|
RIE(gl124_send_slope_table (dev, STOP_TABLE, fast_table, fast_steps));
|
|
RIE(gl124_send_slope_table (dev, FAST_TABLE, fast_table, fast_steps));
|
|
|
|
/* FASTNO */
|
|
sanei_genesys_set_double(reg,REG_FASTNO,fast_steps);
|
|
|
|
/* FSHDEC */
|
|
sanei_genesys_set_double(reg,REG_FSHDEC,fast_steps);
|
|
|
|
/* FMOVNO */
|
|
sanei_genesys_set_double(reg,REG_FMOVNO,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 we don't use insane value */
|
|
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,
|
|
scan_exposure_time,
|
|
scan_table,
|
|
scan_steps,
|
|
feedl,
|
|
scan_steps,
|
|
&z1,
|
|
&z2);
|
|
|
|
sanei_genesys_set_triple(reg,REG_Z1MOD,z1);
|
|
DBG (DBG_info, "gl124_init_motor_regs_scan: z1 = %d\n", z1);
|
|
|
|
sanei_genesys_set_triple(reg,REG_Z2MOD,z2);
|
|
DBG (DBG_info, "gl124_init_motor_regs_scan: z2 = %d\n", z2);
|
|
|
|
/* LINESEL */
|
|
r = sanei_genesys_get_address (reg, REG1D);
|
|
r->value = (r->value & ~REG1D_LINESEL) | scan_dummy;
|
|
|
|
r = sanei_genesys_get_address (reg, REGA0);
|
|
r->value = (scan_step_type << REGA0S_STEPSEL) | (scan_step_type << REGA0S_FSTPSEL);
|
|
|
|
/* FMOVDEC */
|
|
sanei_genesys_set_double(reg,REG_FMOVDEC,fast_steps);
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
|
|
/** @brief copy sensor specific settings
|
|
* Set up register set for the given sensor resolution.
|
|
* @param dev device to set up
|
|
* @param regs register set to modify
|
|
* @param dpi resolution of the sensor during scan
|
|
* */
|
|
static void
|
|
gl124_setup_sensor (Genesys_Device * dev, Genesys_Register_Set * regs, int dpi)
|
|
{
|
|
Genesys_Register_Set *r;
|
|
int i;
|
|
Sensor_Profile *sensor;
|
|
int dpihw;
|
|
uint32_t exp;
|
|
|
|
DBGSTART;
|
|
|
|
/* we start at 6, 0-5 is a 16 bits cache for exposure */
|
|
for (i = 0x06; i < 0x0e; i++)
|
|
{
|
|
r = sanei_genesys_get_address (regs, 0x10 + i);
|
|
if (r)
|
|
r->value = dev->sensor.regs_0x10_0x1d[i];
|
|
}
|
|
|
|
for (i = 0; i < 11; i++)
|
|
{
|
|
r = sanei_genesys_get_address (regs, 0x52 + i);
|
|
if (r)
|
|
r->value = dev->sensor.regs_0x52_0x5e[i];
|
|
}
|
|
|
|
/* set EXPDUMMY and CKxMAP */
|
|
dpihw=gl124_compute_dpihw(dev,dpi);
|
|
sensor=get_sensor_profile(dev->model->ccd_type, dpihw);
|
|
|
|
r = sanei_genesys_get_address (regs, 0x18);
|
|
if (r)
|
|
{
|
|
r->value = sensor->reg18;
|
|
}
|
|
r = sanei_genesys_get_address (regs, 0x20);
|
|
if (r)
|
|
{
|
|
r->value = sensor->reg20;
|
|
}
|
|
r = sanei_genesys_get_address (regs, 0x61);
|
|
if (r)
|
|
{
|
|
r->value = sensor->reg61;
|
|
}
|
|
r = sanei_genesys_get_address (regs, 0x98);
|
|
if (r)
|
|
{
|
|
r->value = sensor->reg98;
|
|
}
|
|
|
|
sanei_genesys_set_triple(regs,REG_SEGCNT,sensor->segcnt);
|
|
sanei_genesys_set_double(regs,REG_TG0CNT,sensor->tg0cnt);
|
|
sanei_genesys_set_double(regs,REG_EXPDMY,sensor->expdummy);
|
|
|
|
/* if no calibration has been done, set default values for exposures */
|
|
exp=dev->sensor.regs_0x10_0x1d[0]*256+dev->sensor.regs_0x10_0x1d[1];
|
|
if(exp==0)
|
|
{
|
|
exp=sensor->expr;
|
|
}
|
|
sanei_genesys_set_triple(regs,REG_EXPR,exp);
|
|
|
|
exp=dev->sensor.regs_0x10_0x1d[2]*256+dev->sensor.regs_0x10_0x1d[3];
|
|
if(exp==0)
|
|
{
|
|
exp=sensor->expg;
|
|
}
|
|
sanei_genesys_set_triple(regs,REG_EXPG,exp);
|
|
|
|
exp=dev->sensor.regs_0x10_0x1d[4]*256+dev->sensor.regs_0x10_0x1d[5];
|
|
if(exp==0)
|
|
{
|
|
exp=sensor->expb;
|
|
}
|
|
sanei_genesys_set_triple(regs,REG_EXPB,exp);
|
|
|
|
sanei_genesys_set_triple(regs,REG_CK1MAP,sensor->ck1map);
|
|
sanei_genesys_set_triple(regs,REG_CK3MAP,sensor->ck3map);
|
|
sanei_genesys_set_triple(regs,REG_CK4MAP,sensor->ck4map);
|
|
|
|
DBGCOMPLETED;
|
|
}
|
|
|
|
|
|
|
|
#define OPTICAL_FLAG_DISABLE_GAMMA 1
|
|
#define OPTICAL_FLAG_DISABLE_SHADING 2
|
|
#define OPTICAL_FLAG_DISABLE_LAMP 4
|
|
#define OPTICAL_FLAG_ENABLE_LEDADD 8
|
|
#define OPTICAL_FLAG_DISABLE_DOUBLE 16
|
|
|
|
/** @brief setup optical related registers
|
|
* start and pixels are expressed in optical sensor resolution coordinate
|
|
* space. To handle odd/even case we double the resolution and
|
|
* use only first logical half the sensor which maps to effective CCD.
|
|
* @param start logical start pixel coordinate
|
|
* @param pixels logical number of pixels to use
|
|
* @return SANE_STATUS_GOOD if OK
|
|
*/
|
|
static SANE_Status
|
|
gl124_init_optical_regs_scan (Genesys_Device * dev,
|
|
Genesys_Register_Set * reg,
|
|
unsigned int exposure_time,
|
|
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, segcnt;
|
|
unsigned int startx, endx, used_pixels, segnb;
|
|
unsigned int dpiset, cksel, dpihw, factor;
|
|
unsigned int bytes;
|
|
Genesys_Register_Set *r;
|
|
SANE_Status status;
|
|
|
|
DBG (DBG_proc, "%s : exposure_time=%d, "
|
|
"used_res=%d, start=%d, pixels=%d, channels=%d, depth=%d, "
|
|
"half_ccd=%d, flags=%x\n", __FUNCTION__, exposure_time,
|
|
used_res, start, pixels, channels, depth, half_ccd, flags);
|
|
|
|
/* resolution is divided according to CKSEL */
|
|
r = sanei_genesys_get_address (reg, REG18);
|
|
cksel= (r->value & REG18_CKSEL)+1;
|
|
DBG (DBG_io2, "%s: cksel=%d\n", __FUNCTION__, cksel);
|
|
|
|
/* to manage high resolution device while keeping good
|
|
* low resolution scanning speed, we make hardware dpi vary */
|
|
dpihw=gl124_compute_dpihw(dev, used_res * cksel);
|
|
factor=dev->sensor.optical_res/dpihw;
|
|
DBG (DBG_io2, "%s: dpihw=%d (factor=%d)\n", __FUNCTION__, dpihw, factor);
|
|
|
|
/* sensor parameters */
|
|
gl124_setup_sensor (dev, reg, dpihw);
|
|
dpiset = used_res * cksel;
|
|
|
|
/* start and end coordinate in optical dpi coordinates */
|
|
/* startx = start/cksel + dev->sensor.dummy_pixel; XXX STEF XXX */
|
|
startx = start/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;
|
|
|
|
status = gl124_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;
|
|
}
|
|
r->value &= ~REG01_SCAN;
|
|
|
|
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;
|
|
|
|
/* BW threshold */
|
|
RIE (sanei_genesys_write_hregister (dev, REG114, dev->settings.threshold));
|
|
RIE (sanei_genesys_write_hregister (dev, REG115, 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;
|
|
if (channels == 1)
|
|
{
|
|
switch (color_filter)
|
|
{
|
|
case 0:
|
|
r->value |= 0x10; /* red filter */
|
|
break;
|
|
case 2:
|
|
r->value |= 0x30; /* blue filter */
|
|
break;
|
|
default:
|
|
r->value |= 0x20; /* green filter */
|
|
break;
|
|
}
|
|
}
|
|
|
|
/* 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;
|
|
|
|
sanei_genesys_set_double(reg,REG_DPISET,dpiset);
|
|
DBG (DBG_io2, "%s: dpiset used=%d\n", __FUNCTION__, dpiset);
|
|
|
|
/* segment number */
|
|
r = sanei_genesys_get_address (reg, 0x98);
|
|
segnb = r->value & 0x0f;
|
|
|
|
sanei_genesys_set_triple(reg,REG_STRPIXEL,startx/segnb);
|
|
sanei_genesys_get_triple(reg,REG_SEGCNT,&segcnt);
|
|
if(endx/segnb==segcnt)
|
|
{
|
|
endx=0;
|
|
}
|
|
sanei_genesys_set_triple(reg,REG_ENDPIXEL,endx/segnb);
|
|
|
|
/* 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->bpl = words_per_line;
|
|
dev->cur = 0;
|
|
dev->len = dev->bpl/segnb;
|
|
dev->dist = dev->bpl/segnb;
|
|
dev->segnb = segnb;
|
|
dev->skip = 0;
|
|
dev->line_count = 0;
|
|
if(dpiset>=300)
|
|
{
|
|
dev->line_interp = 0;
|
|
}
|
|
else
|
|
{
|
|
/* line interpolation, we are scanning at higher
|
|
* motor dpi then discard lines to match taget
|
|
* resolution, so lincnt has to be updated
|
|
*/
|
|
dev->line_interp = 300/dpiset;
|
|
}
|
|
|
|
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);
|
|
DBG (DBG_io2, "%s: dev->skip =%lu\n", __FUNCTION__, (unsigned long)dev->skip);
|
|
|
|
words_per_line *= channels;
|
|
dev->wpl = words_per_line;
|
|
|
|
/* allocate buffer for odd/even pixles handling */
|
|
if(dev->oe_buffer.buffer!=NULL)
|
|
{
|
|
sanei_genesys_buffer_free (&(dev->oe_buffer));
|
|
}
|
|
RIE (sanei_genesys_buffer_alloc (&(dev->oe_buffer), dev->wpl));
|
|
|
|
/* MAXWD is expressed in 2 words unit */
|
|
sanei_genesys_set_triple(reg,REG_MAXWD,(words_per_line));
|
|
DBG (DBG_io2, "%s: words_per_line used=%d\n", __FUNCTION__, words_per_line);
|
|
|
|
sanei_genesys_set_triple(reg,REG_LPERIOD,exposure_time);
|
|
DBG (DBG_io2, "%s: exposure_time used=%d\n", __FUNCTION__, exposure_time);
|
|
|
|
sanei_genesys_set_double(reg,REG_DUMMY,dev->sensor.dummy_pixel);
|
|
|
|
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
|
|
gl124_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 color_filter, unsigned int flags)
|
|
{
|
|
int used_res;
|
|
int start, used_pixels;
|
|
int bytes_per_line;
|
|
int move;
|
|
unsigned int lincnt;
|
|
unsigned int oflags, mflags; /**> optical and motor flags */
|
|
int exposure_time;
|
|
int stagger;
|
|
|
|
int slope_dpi = 0;
|
|
int dummy = 0;
|
|
int scan_step_type = 1;
|
|
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,
|
|
"gl124_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 < 2 * 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 /= 2;
|
|
|
|
/* stagger */
|
|
if ((!half_ccd) && (dev->model->flags & GENESYS_FLAG_STAGGERED_LINE))
|
|
stagger = (4 * yres) / dev->motor.base_ydpi;
|
|
else
|
|
stagger = 0;
|
|
DBG (DBG_info, "gl124_init_scan_regs : stagger=%d lines\n", stagger);
|
|
|
|
/** @brief compute used resolution
|
|
* the sensor if mapped only to odd pixels. So we double the optical
|
|
* resolution and use first half
|
|
* */
|
|
if (flags & SCAN_FLAG_USE_OPTICAL_RES)
|
|
{
|
|
used_res = optical_res;
|
|
}
|
|
else
|
|
{
|
|
/* resolution is choosen from a fixed list and can be used directly */
|
|
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 */
|
|
/* add x coordinates */
|
|
start = startx;
|
|
|
|
if (stagger > 0)
|
|
start |= 1;
|
|
|
|
/* compute correct pixels number */
|
|
/* pixels */
|
|
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;
|
|
|
|
/* 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;
|
|
|
|
/* scan_step_type */
|
|
if(flags & SCAN_FLAG_FEEDING)
|
|
{
|
|
scan_step_type=0;
|
|
exposure_time=MOVE_EXPOSURE;
|
|
}
|
|
else
|
|
{
|
|
exposure_time = gl124_compute_exposure (dev, used_res);
|
|
scan_step_type = gl124_compute_step_type(dev, exposure_time);
|
|
}
|
|
|
|
DBG (DBG_info, "gl124_init_scan_regs : exposure_time=%d pixels\n",
|
|
exposure_time);
|
|
DBG (DBG_info, "gl124_init_scan_regs : scan_step_type=%d\n",
|
|
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)
|
|
&& (dev->settings.scan_mode == SCAN_MODE_LINEART))
|
|
{
|
|
depth = 8;
|
|
}
|
|
|
|
/* 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;
|
|
|
|
/* now _LOGICAL_ optical values used are known, setup registers */
|
|
status = gl124_init_optical_regs_scan (dev,
|
|
reg,
|
|
exposure_time,
|
|
used_res,
|
|
start,
|
|
used_pixels,
|
|
channels,
|
|
depth,
|
|
half_ccd, color_filter, oflags);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
return status;
|
|
|
|
/*** motor parameters ***/
|
|
|
|
/* max_shift */
|
|
/* scanned area must be enlarged by max color shift needed */
|
|
/* all values are assumed >= 0 */
|
|
if (channels > 1 && !(flags & SCAN_FLAG_IGNORE_LINE_DISTANCE))
|
|
{
|
|
max_shift = dev->model->ld_shift_r;
|
|
if (dev->model->ld_shift_b > max_shift)
|
|
max_shift = dev->model->ld_shift_b;
|
|
if (dev->model->ld_shift_g > max_shift)
|
|
max_shift = dev->model->ld_shift_g;
|
|
max_shift = (max_shift * yres) / dev->motor.base_ydpi;
|
|
}
|
|
else
|
|
{
|
|
max_shift = 0;
|
|
}
|
|
|
|
/* lines to scan */
|
|
lincnt = lines + max_shift + stagger;
|
|
|
|
/* add tl_y to base movement */
|
|
move = starty;
|
|
DBG (DBG_info, "gl124_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;
|
|
|
|
status = gl124_init_motor_regs_scan (dev,
|
|
reg,
|
|
exposure_time,
|
|
slope_dpi,
|
|
scan_step_type,
|
|
dev->model->is_cis ? lincnt * channels : lincnt,
|
|
dummy,
|
|
move,
|
|
dev->settings.scan_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,
|
|
"gl124_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_time;
|
|
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->settings.scan_mode == SCAN_MODE_LINEART)
|
|
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, "gl124_init_scan_regs: total bytes to send = %lu\n",
|
|
(u_long) dev->total_bytes_to_read);
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
static SANE_Status
|
|
gl124_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 color_filter;
|
|
|
|
int used_res;
|
|
int used_pixels;
|
|
unsigned int lincnt;
|
|
int exposure_time;
|
|
int stagger;
|
|
|
|
int slope_dpi = 0;
|
|
int dummy = 0;
|
|
int scan_step_type = 1;
|
|
int max_shift, dpihw;
|
|
Sensor_Profile *sensor;
|
|
|
|
SANE_Bool half_ccd; /* false: full CCD res is used, true, half max CCD res is used */
|
|
int optical_res;
|
|
|
|
DBG (DBG_info,
|
|
"gl124_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 == 4) /* single pass color */
|
|
channels = 3;
|
|
else
|
|
channels = 1;
|
|
|
|
/* depth */
|
|
depth = dev->settings.depth;
|
|
if (dev->settings.scan_mode == 0)
|
|
depth = 1;
|
|
|
|
/* start */
|
|
start = SANE_UNFIX (dev->model->x_offset);
|
|
start += dev->settings.tl_x;
|
|
start = (start * dev->sensor.optical_res) / MM_PER_INCH;
|
|
|
|
|
|
xres = dev->settings.xres;
|
|
yres = dev->settings.yres;
|
|
startx = start;
|
|
pixels = dev->settings.pixels;
|
|
lines = dev->settings.lines;
|
|
color_filter = dev->settings.color_filter;
|
|
|
|
|
|
DBG (DBG_info,
|
|
"gl124_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 < 2 * 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 /= 2;
|
|
|
|
/* 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);
|
|
dummy = 0;
|
|
|
|
/* 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;
|
|
|
|
/* scan_step_type and exposure */
|
|
exposure_time = gl124_compute_exposure (dev, xres);
|
|
scan_step_type = gl124_compute_step_type(dev, exposure_time);
|
|
DBG (DBG_info, "%s : exposure_time=%d pixels\n", __FUNCTION__, exposure_time);
|
|
|
|
/* max_shift */
|
|
/* scanned area must be enlarged by max color shift needed */
|
|
/* all values are assumed >= 0 */
|
|
if (channels > 1)
|
|
{
|
|
max_shift = dev->model->ld_shift_r;
|
|
if (dev->model->ld_shift_b > max_shift)
|
|
max_shift = dev->model->ld_shift_b;
|
|
if (dev->model->ld_shift_g > max_shift)
|
|
max_shift = dev->model->ld_shift_g;
|
|
max_shift = (max_shift * yres) / dev->motor.base_ydpi;
|
|
}
|
|
else
|
|
{
|
|
max_shift = 0;
|
|
}
|
|
|
|
dpihw=gl124_compute_dpihw(dev,used_res);
|
|
sensor=get_sensor_profile(dev->model->ccd_type, dpihw);
|
|
dev->segnb=sensor->reg98 & 0x0f;
|
|
|
|
/* 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_time;
|
|
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;
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
static void
|
|
gl124_set_motor_power (Genesys_Register_Set * regs, SANE_Bool set)
|
|
{
|
|
|
|
DBG (DBG_proc, "gl124_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
|
|
gl124_set_lamp_power (Genesys_Device * dev,
|
|
Genesys_Register_Set * regs, SANE_Bool set)
|
|
{
|
|
if (dev == NULL || regs==NULL)
|
|
return;
|
|
|
|
if (set)
|
|
{
|
|
sanei_genesys_set_reg_from_set (regs, 0x03,
|
|
sanei_genesys_read_reg_from_set (regs,
|
|
0x03)
|
|
| REG03_LAMPPWR);
|
|
}
|
|
else
|
|
{
|
|
sanei_genesys_set_reg_from_set (regs, 0x03,
|
|
sanei_genesys_read_reg_from_set (regs,
|
|
0x03)
|
|
& ~REG03_LAMPPWR);
|
|
}
|
|
}
|
|
|
|
/**
|
|
* for fast power saving methods only, like disabling certain amplifiers
|
|
* @param device device to use
|
|
* @param enable true to set inot powersaving
|
|
* */
|
|
static SANE_Status
|
|
gl124_save_power (Genesys_Device * dev, SANE_Bool enable)
|
|
{
|
|
DBG (DBG_proc, "gl124_save_power: enable = %d\n", enable);
|
|
if (dev == NULL)
|
|
return SANE_STATUS_INVAL;
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
static SANE_Status
|
|
gl124_set_powersaving (Genesys_Device * dev, int delay /* in minutes */ )
|
|
{
|
|
Genesys_Register_Set *r;
|
|
|
|
DBG (DBG_proc, "gl124_set_powersaving (delay = %d)\n", delay);
|
|
|
|
r = sanei_genesys_get_address (dev->reg, REG03);
|
|
r->value &= ~0xf0;
|
|
if(delay<15)
|
|
{
|
|
r->value |= delay;
|
|
}
|
|
else
|
|
{
|
|
r->value |= 0x0f;
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl124_start_action (Genesys_Device * dev)
|
|
{
|
|
return sanei_genesys_write_register (dev, 0x0f, 0x01);
|
|
}
|
|
|
|
static SANE_Status
|
|
gl124_stop_action (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status;
|
|
uint8_t val40, val;
|
|
unsigned int loop;
|
|
|
|
DBG (DBG_proc, "%s\n", __FUNCTION__);
|
|
|
|
/* post scan gpio */
|
|
RIE (sanei_genesys_read_register (dev, REG32, &val));
|
|
val &= 0xf9;
|
|
RIE (sanei_genesys_write_register (dev, REG32, val));
|
|
|
|
status = sanei_genesys_get_status (dev, &val);
|
|
if (DBG_LEVEL >= DBG_io)
|
|
{
|
|
sanei_genesys_print_status (val);
|
|
}
|
|
|
|
status = sanei_genesys_read_hregister (dev, REG100, &val40);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"%s: failed to read reg100: %s\n", __FUNCTION__,
|
|
sane_strstatus (status));
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/* only stop action if needed */
|
|
if (!(val40 & REG100_DATAENB) && !(val40 & REG100_MOTMFLG))
|
|
{
|
|
DBG (DBG_info, "%s: already stopped\n", __FUNCTION__);
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* ends scan */
|
|
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_hregister (dev, REG100, &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 & REG100_DATAENB) && !(val40 & REG100_MOTMFLG)
|
|
&& !(val & MOTORENB))
|
|
{
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
usleep (100 * 1000);
|
|
loop--;
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_IO_ERROR;
|
|
}
|
|
|
|
/* Send the low-level scan command */
|
|
/* todo : is this that useful ? */
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl124_begin_scan (Genesys_Device * dev, Genesys_Register_Set * reg,
|
|
SANE_Bool start_motor)
|
|
{
|
|
SANE_Status status;
|
|
uint8_t val;
|
|
|
|
DBGSTART;
|
|
if (reg == NULL)
|
|
return SANE_STATUS_INVAL;
|
|
|
|
/* set up GPIO for scan */
|
|
RIE (sanei_genesys_read_register (dev, REG32, &val));
|
|
if(dev->settings.yres>=dev->motor.base_ydpi/2)
|
|
{
|
|
val &= 0xf7;
|
|
}
|
|
else if(dev->settings.yres>=dev->motor.base_ydpi/4)
|
|
{
|
|
val &= 0xef;
|
|
}
|
|
else
|
|
{
|
|
val |= 0x10;
|
|
}
|
|
val |= 0x02;
|
|
RIE (sanei_genesys_write_register (dev, REG32, val));
|
|
|
|
/* 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
|
|
gl124_end_scan (Genesys_Device * dev, Genesys_Register_Set * reg,
|
|
SANE_Bool check_stop)
|
|
{
|
|
SANE_Status status;
|
|
|
|
DBG (DBG_proc, "gl124_end_scan (check_stop = %d)\n", check_stop);
|
|
if (reg == NULL)
|
|
return SANE_STATUS_INVAL;
|
|
|
|
if (dev->model->is_sheetfed == SANE_TRUE)
|
|
{
|
|
status = SANE_STATUS_GOOD;
|
|
}
|
|
else /* flat bed scanners */
|
|
{
|
|
status = gl124_stop_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl124_end_scan: failed to stop: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
|
|
/** @brief Moves the slider to the home (top) position slowly
|
|
* */
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl124_slow_back_home (Genesys_Device * dev, SANE_Bool wait_until_home)
|
|
{
|
|
Genesys_Register_Set local_reg[GENESYS_GL124_MAX_REGS];
|
|
SANE_Status status;
|
|
Genesys_Register_Set *r;
|
|
uint8_t val;
|
|
float resolution;
|
|
int loop = 0;
|
|
|
|
DBG (DBG_proc, "gl124_slow_back_home (wait_until_home = %d)\n",
|
|
wait_until_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,
|
|
"gl124_slow_back_home: failed to read home sensor: %s\n",
|
|
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,
|
|
"gl124_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;
|
|
}
|
|
|
|
memset (local_reg, 0, sizeof (local_reg));
|
|
memcpy (local_reg, dev->reg, GENESYS_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
resolution=MOVE_DPI;
|
|
|
|
gl124_init_scan_regs (dev,
|
|
local_reg,
|
|
resolution,
|
|
resolution,
|
|
100,
|
|
30000,
|
|
100,
|
|
100,
|
|
8,
|
|
3,
|
|
dev->settings.color_filter,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_FEEDING |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE);
|
|
sanei_genesys_set_triple(local_reg,REG_EXPR,0);
|
|
sanei_genesys_set_triple(local_reg,REG_EXPG,0);
|
|
sanei_genesys_set_triple(local_reg,REG_EXPB,0);
|
|
|
|
/* 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 (gl124_bulk_write_register (dev, local_reg, GENESYS_GL124_MAX_REGS));
|
|
|
|
status = gl124_start_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl124_slow_back_home: failed to start motor: %s\n",
|
|
sane_strstatus (status));
|
|
gl124_stop_action (dev);
|
|
/* restore original registers */
|
|
gl124_bulk_write_register (dev, dev->reg, GENESYS_GL124_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,
|
|
"gl124_slow_back_home: failed to read home sensor: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
if (val & HOMESNR) /* home sensor */
|
|
{
|
|
DBG (DBG_info, "gl124_slow_back_home: reached home position\n");
|
|
DBG (DBG_proc, "gl124_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 */
|
|
gl124_stop_action (dev);
|
|
DBG (DBG_error,
|
|
"gl124_slow_back_home: timeout while waiting for scanhead to go home\n");
|
|
return SANE_STATUS_IO_ERROR;
|
|
}
|
|
|
|
DBG (DBG_info, "gl124_slow_back_home: scanhead is still moving\n");
|
|
DBG (DBG_proc, "gl124_slow_back_home: finished\n");
|
|
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
|
|
gl124_feed (Genesys_Device * dev, unsigned int steps)
|
|
{
|
|
Genesys_Register_Set local_reg[GENESYS_GL124_MAX_REGS];
|
|
SANE_Status status;
|
|
Genesys_Register_Set *r;
|
|
float resolution;
|
|
uint8_t val;
|
|
|
|
DBGSTART;
|
|
|
|
/* prepare local registers */
|
|
memset (local_reg, 0, sizeof (local_reg));
|
|
memcpy (local_reg, dev->reg, GENESYS_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
|
|
|
|
resolution=MOVE_DPI;
|
|
gl124_init_scan_regs (dev,
|
|
local_reg,
|
|
resolution,
|
|
resolution,
|
|
0,
|
|
steps,
|
|
100,
|
|
3,
|
|
8,
|
|
3,
|
|
dev->settings.color_filter,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_FEEDING |
|
|
SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE);
|
|
sanei_genesys_set_triple(local_reg,REG_EXPR,0);
|
|
sanei_genesys_set_triple(local_reg,REG_EXPG,0);
|
|
sanei_genesys_set_triple(local_reg,REG_EXPB,0);
|
|
|
|
/* 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 (gl124_bulk_write_register (dev, local_reg, GENESYS_GL124_MAX_REGS));
|
|
|
|
status = gl124_start_action (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to start motor: %s\n", __FUNCTION__, sane_strstatus (status));
|
|
gl124_stop_action (dev);
|
|
|
|
/* restore original registers */
|
|
gl124_bulk_write_register (dev, dev->reg, GENESYS_GL124_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;
|
|
}
|
|
|
|
|
|
/* 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
|
|
gl124_search_start_position (Genesys_Device * dev)
|
|
{
|
|
int size;
|
|
SANE_Status status;
|
|
uint8_t *data;
|
|
Genesys_Register_Set local_reg[GENESYS_GL124_MAX_REGS];
|
|
int steps;
|
|
|
|
int pixels = 600;
|
|
int dpi = 300;
|
|
|
|
DBG (DBG_proc, "gl124_search_start_position\n");
|
|
|
|
memset (local_reg, 0, sizeof (local_reg));
|
|
memcpy (local_reg, dev->reg,
|
|
GENESYS_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
|
|
/* sets for a 200 lines * 600 pixels */
|
|
/* normal scan with no shading */
|
|
|
|
status = gl124_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, 1, /*green */
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE |
|
|
SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE);
|
|
|
|
/* send to scanner */
|
|
status = gl124_bulk_write_register (dev, local_reg, GENESYS_GL124_MAX_REGS);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl124_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,
|
|
"gl124_search_start_position: failed to allocate memory\n");
|
|
return SANE_STATUS_NO_MEM;
|
|
}
|
|
|
|
status = gl124_begin_scan (dev, local_reg, SANE_TRUE);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error,
|
|
"gl124_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,
|
|
"gl124_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 = gl124_end_scan (dev, local_reg, SANE_TRUE);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
free (data);
|
|
DBG (DBG_error,
|
|
"gl124_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_GL124_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,
|
|
"gl124_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
|
|
gl124_init_regs_for_coarse_calibration (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status;
|
|
uint8_t channels;
|
|
uint8_t cksel;
|
|
Genesys_Register_Set *r;
|
|
|
|
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 = gl124_init_scan_regs (dev,
|
|
dev->calib_reg,
|
|
dev->settings.xres,
|
|
dev->settings.yres,
|
|
0,
|
|
0,
|
|
dev->sensor.optical_res / cksel,
|
|
20,
|
|
16,
|
|
channels,
|
|
dev->settings.color_filter,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_SINGLE_LINE |
|
|
SCAN_FLAG_FEEDING |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl124_init_register_for_coarse_calibration: failed to setup scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
r = sanei_genesys_get_address (dev->calib_reg, REG02);
|
|
r->value &= ~REG02_MTRPWR;
|
|
|
|
DBG (DBG_info,
|
|
"gl124_init_register_for_coarse_calibration: optical sensor res: %d dpi, actual res: %d\n",
|
|
dev->sensor.optical_res / cksel, dev->settings.xres);
|
|
|
|
status =
|
|
gl124_bulk_write_register (dev, dev->calib_reg, GENESYS_GL124_MAX_REGS);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl124_init_register_for_coarse_calibration: failed to bulk write registers: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
|
|
/* init registers for shading calibration */
|
|
static SANE_Status
|
|
gl124_init_regs_for_shading (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status;
|
|
int move,resolution;
|
|
Genesys_Register_Set *r;
|
|
|
|
DBGSTART;
|
|
|
|
/* initial calibration reg values */
|
|
memcpy (dev->calib_reg, dev->reg,
|
|
GENESYS_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
|
|
dev->calib_channels = 3;
|
|
resolution=gl124_compute_dpihw(dev,dev->settings.xres);
|
|
dev->calib_pixels = (dev->sensor.sensor_pixels*resolution)/dev->sensor.optical_res;
|
|
|
|
/* distance to move to reach white target at high resolution */
|
|
move=0;
|
|
if(dev->settings.yres>=1200)
|
|
{
|
|
move = SANE_UNFIX (dev->model->y_offset_calib);
|
|
move = (move * (dev->motor.base_ydpi/4)) / MM_PER_INCH;
|
|
}
|
|
DBG (DBG_io, "%s: move=%d steps\n", __FUNCTION__, move);
|
|
|
|
status = gl124_init_scan_regs (dev,
|
|
dev->calib_reg,
|
|
resolution,
|
|
resolution,
|
|
0,
|
|
move,
|
|
dev->calib_pixels,
|
|
dev->model->shading_lines,
|
|
16,
|
|
dev->calib_channels,
|
|
0,
|
|
0);
|
|
r = sanei_genesys_get_address (dev->calib_reg, REG01);
|
|
r->value &= ~REG01_DVDSET;
|
|
r = sanei_genesys_get_address (dev->calib_reg, REG02);
|
|
r->value &= ~REG02_MTRPWR;
|
|
r = sanei_genesys_get_address (dev->calib_reg, REG05);
|
|
r->value &= ~REG05_GMMENB;
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to setup scan: %s\n", __FUNCTION__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
dev->scanhead_position_in_steps += dev->model->shading_lines + move;
|
|
|
|
status =
|
|
gl124_bulk_write_register (dev, dev->calib_reg, GENESYS_GL124_MAX_REGS);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"%s: failed to bulk write registers: %s\n", __FUNCTION__,
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/** @brief set up registers for the actual scan
|
|
*/
|
|
static SANE_Status
|
|
gl124_init_regs_for_scan (Genesys_Device * dev)
|
|
{
|
|
int channels;
|
|
int flags;
|
|
int depth;
|
|
float move;
|
|
int move_dpi;
|
|
float start;
|
|
uint8_t val40,val;
|
|
|
|
SANE_Status status;
|
|
|
|
DBG (DBG_info,
|
|
"gl124_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);
|
|
|
|
/* wait for motor to stop first */
|
|
status = sanei_genesys_get_status (dev, &val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to read status: %s\n", __FUNCTION__, sane_strstatus (status));
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
status = sanei_genesys_read_hregister (dev, REG100, &val40);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to read reg100: %s\n", __FUNCTION__, sane_strstatus (status));
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
if((val & MOTORENB) || (val40 & REG100_MOTMFLG))
|
|
{
|
|
do
|
|
{
|
|
usleep(10000);
|
|
status = sanei_genesys_get_status (dev, &val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to read status: %s\n", __FUNCTION__, sane_strstatus (status));
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
status = sanei_genesys_read_hregister (dev, REG100, &val40);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to read reg100: %s\n", __FUNCTION__, sane_strstatus (status));
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
} while ((val & MOTORENB) || (val40 & REG100_MOTMFLG));
|
|
usleep(50000);
|
|
}
|
|
|
|
/* ensure head is parked in case of calibration */
|
|
RIE (gl124_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;
|
|
|
|
/* y (motor) distance to move to reach scanned area */
|
|
move_dpi = dev->motor.base_ydpi/4;
|
|
move = SANE_UNFIX (dev->model->y_offset);
|
|
move += dev->settings.tl_y;
|
|
move = (move * move_dpi) / MM_PER_INCH;
|
|
DBG (DBG_info, "%s: move=%f steps\n", __FUNCTION__, move);
|
|
|
|
if(channels*dev->settings.yres>=1200 && move>3000)
|
|
{
|
|
move -= 180;
|
|
status = gl124_feed (dev, move);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "%s: failed to move to scan area\n",__FUNCTION__);
|
|
return status;
|
|
}
|
|
move=0;
|
|
}
|
|
else
|
|
{
|
|
if(channels==1)
|
|
{
|
|
move-=0;
|
|
}
|
|
}
|
|
DBG (DBG_info, "gl124_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 = gl124_init_scan_regs (dev,
|
|
dev->reg,
|
|
dev->settings.xres,
|
|
dev->settings.yres,
|
|
start,
|
|
move,
|
|
dev->settings.pixels,
|
|
dev->settings.lines,
|
|
depth,
|
|
channels, dev->settings.color_filter, flags);
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
return status;
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/**
|
|
* Send shading calibration data. The buffer is considered to always hold values
|
|
* for all the channels.
|
|
*/
|
|
#ifndef UNIT_TESTING
|
|
static
|
|
#endif
|
|
SANE_Status
|
|
gl124_send_shading_data (Genesys_Device * dev, uint8_t * data, int size)
|
|
{
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
uint32_t addr, length, strpixel ,endpixel, x, factor, segcnt, pixels, i;
|
|
uint16_t dpiset,dpihw;
|
|
uint8_t val,*buffer,*ptr,*src;
|
|
|
|
DBGSTART;
|
|
DBG( DBG_io2, "%s: writing %d bytes of shading data\n",__FUNCTION__,size);
|
|
|
|
/* logical size of a color as seen by generic code of the frontend */
|
|
length = (uint32_t) (size / 3);
|
|
sanei_genesys_get_triple(dev->reg,REG_STRPIXEL,&strpixel);
|
|
sanei_genesys_get_triple(dev->reg,REG_ENDPIXEL,&endpixel);
|
|
sanei_genesys_get_triple(dev->reg,REG_SEGCNT,&segcnt);
|
|
if(endpixel==0)
|
|
{
|
|
endpixel=segcnt;
|
|
}
|
|
DBG( DBG_io2, "%s: STRPIXEL=%d, ENDPIXEL=%d, PIXELS=%d, SEGCNT=%d\n",__FUNCTION__,strpixel,endpixel,endpixel-strpixel,segcnt);
|
|
|
|
/* turn pixel value into bytes 2x16 bits words */
|
|
strpixel*=2*2; /* 2 words of 2 bytes */
|
|
endpixel*=2*2;
|
|
segcnt*=2*2;
|
|
pixels=endpixel-strpixel;
|
|
|
|
DBG( DBG_io2, "%s: using chunks of %d bytes (%d shading data pixels)\n",__FUNCTION__,length, length/4);
|
|
buffer=(uint8_t *)malloc(pixels*dev->segnb);
|
|
memset(buffer,0,pixels*dev->segnb);
|
|
|
|
/* compute deletion factor */
|
|
sanei_genesys_get_double(dev->reg,REG_DPISET,&dpiset);
|
|
dpihw=gl124_compute_dpihw(dev,dpiset);
|
|
factor=dpihw/dpiset;
|
|
DBG( DBG_io2, "%s: factor=%d\n",__FUNCTION__,factor);
|
|
|
|
/* write actual red data */
|
|
for(i=0;i<3;i++)
|
|
{
|
|
/* copy data to work buffer and process it */
|
|
/* coefficent destination */
|
|
ptr=buffer;
|
|
|
|
/* iterate on both sensor segment */
|
|
for(x=0;x<pixels;x+=4*factor)
|
|
{
|
|
/* coefficient source */
|
|
src=data+x+strpixel+i*length;
|
|
|
|
/* iterate over all the segments */
|
|
switch(dev->segnb)
|
|
{
|
|
case 1:
|
|
ptr[0+pixels*0]=src[0+segcnt*0];
|
|
ptr[1+pixels*0]=src[1+segcnt*0];
|
|
ptr[2+pixels*0]=src[2+segcnt*0];
|
|
ptr[3+pixels*0]=src[3+segcnt*0];
|
|
break;
|
|
case 2:
|
|
ptr[0+pixels*0]=src[0+segcnt*0];
|
|
ptr[1+pixels*0]=src[1+segcnt*0];
|
|
ptr[2+pixels*0]=src[2+segcnt*0];
|
|
ptr[3+pixels*0]=src[3+segcnt*0];
|
|
ptr[0+pixels*1]=src[0+segcnt*1];
|
|
ptr[1+pixels*1]=src[1+segcnt*1];
|
|
ptr[2+pixels*1]=src[2+segcnt*1];
|
|
ptr[3+pixels*1]=src[3+segcnt*1];
|
|
break;
|
|
case 4:
|
|
ptr[0+pixels*0]=src[0+segcnt*0];
|
|
ptr[1+pixels*0]=src[1+segcnt*0];
|
|
ptr[2+pixels*0]=src[2+segcnt*0];
|
|
ptr[3+pixels*0]=src[3+segcnt*0];
|
|
ptr[0+pixels*1]=src[0+segcnt*2];
|
|
ptr[1+pixels*1]=src[1+segcnt*2];
|
|
ptr[2+pixels*1]=src[2+segcnt*2];
|
|
ptr[3+pixels*1]=src[3+segcnt*2];
|
|
ptr[0+pixels*2]=src[0+segcnt*1];
|
|
ptr[1+pixels*2]=src[1+segcnt*1];
|
|
ptr[2+pixels*2]=src[2+segcnt*1];
|
|
ptr[3+pixels*2]=src[3+segcnt*1];
|
|
ptr[0+pixels*3]=src[0+segcnt*3];
|
|
ptr[1+pixels*3]=src[1+segcnt*3];
|
|
ptr[2+pixels*3]=src[2+segcnt*3];
|
|
ptr[3+pixels*3]=src[3+segcnt*3];
|
|
break;
|
|
}
|
|
|
|
/* next shading coefficients */
|
|
ptr+=4;
|
|
}
|
|
RIE (sanei_genesys_read_register (dev, 0xd0+i, &val));
|
|
addr = val * 8192 + 0x10000000;
|
|
status = sanei_genesys_write_ahb (dev->dn, addr, pixels*dev->segnb, buffer);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error, "gl124_send_shading_data; write to AHB failed (%s)\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
}
|
|
|
|
free(buffer);
|
|
DBGCOMPLETED;
|
|
|
|
return status;
|
|
}
|
|
|
|
/** @brief send gmma table to scanner
|
|
* This function sends generic gamma table (ie ones built with
|
|
* provided gamma) or the user defined one if provided by
|
|
* fontend.
|
|
* @param dev device to write to
|
|
* @param generic flag for using generic gamma tables
|
|
*/
|
|
static SANE_Status
|
|
gl124_send_gamma_table (Genesys_Device * dev, SANE_Bool generic)
|
|
{
|
|
int size;
|
|
int status;
|
|
uint8_t *gamma, val;
|
|
int i, gmmval;
|
|
|
|
DBG (DBG_proc, "gl124_send_gamma_table\n");
|
|
|
|
/* don't send anything if no specific gamma table defined */
|
|
if (!generic
|
|
&& (dev->sensor.red_gamma_table == NULL
|
|
|| dev->sensor.green_gamma_table == NULL
|
|
|| dev->sensor.blue_gamma_table == NULL))
|
|
{
|
|
DBG (DBG_proc, "gl124_send_gamma_table: nothing to send, skipping\n");
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
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;
|
|
|
|
/* take care off generic/specific data */
|
|
if (generic)
|
|
{
|
|
/* fill with default values */
|
|
for (i = 0; i < size; i++)
|
|
{
|
|
gmmval = i * 256;
|
|
gamma[i * 2 + size * 0 + 0] = gmmval & 0xff;
|
|
gamma[i * 2 + size * 0 + 1] = (gmmval >> 8) & 0xff;
|
|
gamma[i * 2 + size * 2 + 0] = gmmval & 0xff;
|
|
gamma[i * 2 + size * 2 + 1] = (gmmval >> 8) & 0xff;
|
|
gamma[i * 2 + size * 4 + 0] = gmmval & 0xff;
|
|
gamma[i * 2 + size * 4 + 1] = (gmmval >> 8) & 0xff;
|
|
}
|
|
}
|
|
else
|
|
{
|
|
/* copy sensor specific's gamma tables */
|
|
for (i = 0; i < size; i++)
|
|
{
|
|
gamma[i * 2 + size * 0 + 0] = dev->sensor.red_gamma_table[i] & 0xff;
|
|
gamma[i * 2 + size * 0 + 1] =
|
|
(dev->sensor.red_gamma_table[i] >> 8) & 0xff;
|
|
gamma[i * 2 + size * 2 + 0] =
|
|
dev->sensor.green_gamma_table[i] & 0xff;
|
|
gamma[i * 2 + size * 2 + 1] =
|
|
(dev->sensor.green_gamma_table[i] >> 8) & 0xff;
|
|
gamma[i * 2 + size * 4 + 0] =
|
|
dev->sensor.blue_gamma_table[i] & 0xff;
|
|
gamma[i * 2 + size * 4 + 1] =
|
|
(dev->sensor.blue_gamma_table[i] >> 8) & 0xff;
|
|
}
|
|
}
|
|
|
|
/* loop sending gamma tables NOTE: 0x01000000 not 0x10000000 */
|
|
for (i = 0; i < 3; i++)
|
|
{
|
|
/* clear corresponding GMM_N bit */
|
|
RIE (sanei_genesys_read_register (dev, 0xbd, &val));
|
|
/* val &= ~(0x01 << i); */
|
|
val = 0x00;
|
|
RIE (sanei_genesys_write_register (dev, 0xbd, val));
|
|
|
|
/* clear corresponding GMM_F bit */
|
|
RIE (sanei_genesys_read_register (dev, 0xbe, &val));
|
|
/* val &= ~(0x01 << i); */
|
|
val = 0x07;
|
|
RIE (sanei_genesys_write_register (dev, 0xbe, val));
|
|
|
|
/* set GMM_Z */
|
|
RIE (sanei_genesys_write_register (dev, 0xc5+2*i, 0x00));
|
|
RIE (sanei_genesys_write_register (dev, 0xc6+2*i, 0x00));
|
|
|
|
status =
|
|
sanei_genesys_write_ahb (dev->dn, 0x01000000 + 0x200 * i, size * 2,
|
|
gamma + i * size * 2);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl124_send_gamma_table: write to AHB failed writing table %d (%s)\n",
|
|
i, sane_strstatus (status));
|
|
}
|
|
}
|
|
|
|
free (gamma);
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/* 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
|
|
gl124_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];
|
|
uint32_t expr, expg, expb;
|
|
Sensor_Profile *sensor;
|
|
Genesys_Register_Set *r;
|
|
|
|
SANE_Bool acceptable = SANE_FALSE;
|
|
|
|
DBGSTART;
|
|
|
|
/* offset calibration is always done in color mode */
|
|
channels = 3;
|
|
depth = 16;
|
|
used_res=gl124_compute_dpihw(dev,dev->settings.xres);
|
|
sensor=get_sensor_profile(dev->model->ccd_type, used_res);
|
|
num_pixels =
|
|
(dev->sensor.sensor_pixels * used_res) / dev->sensor.optical_res;
|
|
|
|
/* initial calibration reg values */
|
|
memcpy (dev->calib_reg, dev->reg,
|
|
GENESYS_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
|
|
status = gl124_init_scan_regs (dev,
|
|
dev->calib_reg,
|
|
used_res,
|
|
used_res,
|
|
0,
|
|
0,
|
|
num_pixels,
|
|
1,
|
|
depth,
|
|
channels,
|
|
dev->settings.color_filter,
|
|
SCAN_FLAG_CALIBRATION |
|
|
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,
|
|
"gl124_led_calibration: failed to setup scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
RIE (gl124_bulk_write_register
|
|
(dev, dev->calib_reg, GENESYS_GL124_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
|
|
*/
|
|
|
|
/* inital values */
|
|
expr=sensor->expr;
|
|
expg=sensor->expg;
|
|
expb=sensor->expb;
|
|
|
|
turn = 0;
|
|
|
|
/* no move during led calibration */
|
|
r = sanei_genesys_get_address (dev->calib_reg, REG02);
|
|
r->value &= ~REG02_MTRPWR;
|
|
do
|
|
{
|
|
sanei_genesys_set_triple(dev->calib_reg,REG_EXPR,expr);
|
|
sanei_genesys_set_triple(dev->calib_reg,REG_EXPG,expg);
|
|
sanei_genesys_set_triple(dev->calib_reg,REG_EXPB,expb);
|
|
|
|
RIE (gl124_bulk_write_register
|
|
(dev, dev->calib_reg, GENESYS_GL124_MAX_REGS));
|
|
|
|
DBG (DBG_info, "gl124_led_calibration: starting first line reading\n");
|
|
RIE (gl124_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++)
|
|
{
|
|
val = line[i * 2 + j * 2 * num_pixels + 1] * 256 +
|
|
line[i * 2 + j * 2 * num_pixels];
|
|
avg[j] += val;
|
|
}
|
|
avg[j] /= num_pixels;
|
|
}
|
|
avga = (avg[0] + avg[1] + avg[2]) / 3;
|
|
|
|
DBG (DBG_info, "gl124_led_calibration: average: "
|
|
"%d,%d,%d\n", avg[0], avg[1], avg[2]);
|
|
|
|
acceptable = SANE_TRUE;
|
|
|
|
/* averages must be in a %5 range from each other */
|
|
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)
|
|
{
|
|
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;
|
|
|
|
/* XXX STEF XXX check limits: don't overflow max exposure */
|
|
if (avge > 40000)
|
|
{
|
|
expr = (expr * 40000) / avge;
|
|
expg = (expg * 40000) / avge;
|
|
expb = (expb * 40000) / avge;
|
|
}
|
|
if (avge < 200)
|
|
{
|
|
expr = (expr * 200) / avge;
|
|
expg = (expg * 200) / avge;
|
|
expb = (expb * 200) / avge;
|
|
}
|
|
|
|
}
|
|
|
|
RIE (gl124_stop_action (dev));
|
|
|
|
turn++;
|
|
|
|
}
|
|
while (!acceptable && turn < 100);
|
|
|
|
DBG (DBG_info, "gl124_led_calibration: acceptable exposure: %d,%d,%d\n",
|
|
expr, expg, expb);
|
|
|
|
/* set these values as final ones for scan */
|
|
sanei_genesys_set_triple(dev->reg,REG_EXPR,expr);
|
|
sanei_genesys_set_triple(dev->reg,REG_EXPG,expg);
|
|
sanei_genesys_set_triple(dev->reg,REG_EXPB,expb);
|
|
|
|
/* we're hoping that the values are 16bits so we can have them
|
|
* persist in cache */
|
|
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;
|
|
|
|
/* cleanup before return */
|
|
free (line);
|
|
|
|
/* repark head */
|
|
gl124_slow_back_home (dev, SANE_TRUE);
|
|
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* average dark pixels of a 8 bits scan
|
|
*/
|
|
static int
|
|
dark_average (uint8_t * data, unsigned int pixels, unsigned int lines,
|
|
unsigned int channels, unsigned int black)
|
|
{
|
|
unsigned int i, j, k, average, count;
|
|
unsigned int avg[3];
|
|
uint8_t val;
|
|
|
|
/* computes average value 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 + k];
|
|
avg[k] += val;
|
|
count++;
|
|
}
|
|
}
|
|
if (count)
|
|
avg[k] /= count;
|
|
DBG (DBG_info, "dark_average: avg[%d] = %d\n", k, avg[k]);
|
|
}
|
|
average = 0;
|
|
for (i = 0; i < channels; i++)
|
|
average += avg[i];
|
|
average /= channels;
|
|
DBG (DBG_info, "dark_average: average = %d\n", average);
|
|
return average;
|
|
}
|
|
|
|
|
|
static SANE_Status
|
|
gl124_offset_calibration (Genesys_Device * dev)
|
|
{
|
|
Genesys_Register_Set *r;
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
uint8_t *first_line, *second_line, reg0a;
|
|
unsigned int channels, bpp;
|
|
char title[32];
|
|
int pass = 0, avg, total_size;
|
|
int topavg, bottomavg, resolution, lines;
|
|
int top, bottom, black_pixels, pixels;
|
|
|
|
DBGSTART;
|
|
|
|
/* no gain nor offset for TI AFE */
|
|
RIE (sanei_genesys_read_register (dev, REG0A, ®0a));
|
|
if(((reg0a & REG0A_SIFSEL)>>REG0AS_SIFSEL)==3)
|
|
{
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/* offset calibration is always done in color mode */
|
|
channels = 3;
|
|
resolution=dev->sensor.optical_res;
|
|
dev->calib_pixels = dev->sensor.sensor_pixels;
|
|
lines=1;
|
|
bpp=8;
|
|
pixels= (dev->sensor.sensor_pixels*resolution) / dev->sensor.optical_res;
|
|
black_pixels = (dev->sensor.black_pixels * resolution) / dev->sensor.optical_res;
|
|
DBG (DBG_io2, "gl124_offset_calibration: black_pixels=%d\n", black_pixels);
|
|
|
|
status = gl124_init_scan_regs (dev,
|
|
dev->calib_reg,
|
|
resolution,
|
|
resolution,
|
|
0,
|
|
0,
|
|
pixels,
|
|
lines,
|
|
bpp,
|
|
channels,
|
|
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,
|
|
"gl124_offset_calibration: failed to setup scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
r = sanei_genesys_get_address (dev->calib_reg, REG02);
|
|
r->value &= ~REG02_MTRPWR;
|
|
|
|
/* 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 */
|
|
dev->frontend.gain[0] = 0;
|
|
dev->frontend.gain[1] = 0;
|
|
dev->frontend.gain[2] = 0;
|
|
|
|
/* scan with no move */
|
|
bottom = 10;
|
|
dev->frontend.offset[0] = bottom;
|
|
dev->frontend.offset[1] = bottom;
|
|
dev->frontend.offset[2] = bottom;
|
|
|
|
RIE (gl124_set_fe(dev, AFE_SET));
|
|
RIE (gl124_bulk_write_register (dev, dev->calib_reg, GENESYS_GL124_MAX_REGS));
|
|
DBG (DBG_info, "gl124_offset_calibration: starting first line reading\n");
|
|
RIE (gl124_begin_scan (dev, dev->calib_reg, SANE_TRUE));
|
|
RIE (sanei_genesys_read_data_from_scanner (dev, first_line, total_size));
|
|
if (DBG_LEVEL >= DBG_data)
|
|
{
|
|
snprintf(title,20,"offset%03d.pnm",bottom);
|
|
sanei_genesys_write_pnm_file (title, first_line, bpp, channels, pixels, lines);
|
|
}
|
|
|
|
bottomavg = dark_average (first_line, pixels, lines, channels, black_pixels);
|
|
DBG (DBG_io2, "gl124_offset_calibration: bottom avg=%d\n", bottomavg);
|
|
|
|
/* now top value */
|
|
top = 255;
|
|
dev->frontend.offset[0] = top;
|
|
dev->frontend.offset[1] = top;
|
|
dev->frontend.offset[2] = top;
|
|
RIE (gl124_set_fe(dev, AFE_SET));
|
|
RIE (gl124_bulk_write_register (dev, dev->calib_reg, GENESYS_GL124_MAX_REGS));
|
|
DBG (DBG_info, "gl124_offset_calibration: starting second line reading\n");
|
|
RIE (gl124_begin_scan (dev, dev->calib_reg, SANE_TRUE));
|
|
RIE (sanei_genesys_read_data_from_scanner (dev, second_line, total_size));
|
|
|
|
topavg = dark_average (second_line, pixels, lines, channels, black_pixels);
|
|
DBG (DBG_io2, "gl124_offset_calibration: top avg=%d\n", topavg);
|
|
|
|
/* loop until acceptable level */
|
|
while ((pass < 32) && (top - bottom > 1))
|
|
{
|
|
pass++;
|
|
|
|
/* settings for new scan */
|
|
dev->frontend.offset[0] = (top + bottom) / 2;
|
|
dev->frontend.offset[1] = (top + bottom) / 2;
|
|
dev->frontend.offset[2] = (top + bottom) / 2;
|
|
|
|
/* scan with no move */
|
|
RIE(gl124_set_fe(dev, AFE_SET));
|
|
RIE (gl124_bulk_write_register (dev, dev->calib_reg, GENESYS_GL124_MAX_REGS));
|
|
DBG (DBG_info, "gl124_offset_calibration: starting second line reading\n");
|
|
RIE (gl124_begin_scan (dev, dev->calib_reg, SANE_TRUE));
|
|
RIE (sanei_genesys_read_data_from_scanner (dev, second_line, total_size));
|
|
|
|
if (DBG_LEVEL >= DBG_data)
|
|
{
|
|
sprintf (title, "offset%03d.pnm", dev->frontend.offset[1]);
|
|
sanei_genesys_write_pnm_file (title, second_line, bpp, channels, pixels, lines);
|
|
}
|
|
|
|
avg = dark_average (second_line, pixels, lines, channels, black_pixels);
|
|
DBG (DBG_info, "gl124_offset_calibration: avg=%d offset=%d\n", avg,
|
|
dev->frontend.offset[1]);
|
|
|
|
/* compute new boundaries */
|
|
if (topavg == avg)
|
|
{
|
|
topavg = avg;
|
|
top = dev->frontend.offset[1];
|
|
}
|
|
else
|
|
{
|
|
bottomavg = avg;
|
|
bottom = dev->frontend.offset[1];
|
|
}
|
|
}
|
|
DBG (DBG_info, "gl124_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
|
|
gl124_coarse_gain_calibration (Genesys_Device * dev, int dpi)
|
|
{
|
|
int pixels;
|
|
int total_size;
|
|
uint8_t *line, reg0a;
|
|
int i, j, channels;
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
int max[3];
|
|
float gain[3],coeff;
|
|
int val, code, lines;
|
|
int resolution;
|
|
Genesys_Register_Set *r;
|
|
int bpp;
|
|
|
|
DBG (DBG_proc, "gl124_coarse_gain_calibration: dpi = %d\n", dpi);
|
|
|
|
/* no gain nor offset for TI AFE */
|
|
RIE (sanei_genesys_read_register (dev, REG0A, ®0a));
|
|
if(((reg0a & REG0A_SIFSEL)>>REG0AS_SIFSEL)==3)
|
|
{
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/* coarse gain calibration is always done in color mode */
|
|
channels = 3;
|
|
|
|
/* follow CKSEL */
|
|
if(dev->settings.xres<dev->sensor.optical_res)
|
|
{
|
|
coeff=0.9;
|
|
resolution=dev->sensor.optical_res/2;
|
|
resolution=dev->sensor.optical_res;
|
|
}
|
|
else
|
|
{
|
|
resolution=dev->sensor.optical_res;
|
|
coeff=1.0;
|
|
}
|
|
lines=10;
|
|
bpp=8;
|
|
pixels = (dev->sensor.sensor_pixels * resolution) / dev->sensor.optical_res,
|
|
|
|
status = gl124_init_scan_regs (dev,
|
|
dev->calib_reg,
|
|
resolution,
|
|
resolution,
|
|
0,
|
|
0,
|
|
pixels,
|
|
lines,
|
|
bpp,
|
|
channels,
|
|
dev->settings.color_filter,
|
|
SCAN_FLAG_DISABLE_SHADING |
|
|
SCAN_FLAG_DISABLE_GAMMA |
|
|
SCAN_FLAG_SINGLE_LINE |
|
|
SCAN_FLAG_IGNORE_LINE_DISTANCE);
|
|
r = sanei_genesys_get_address (dev->calib_reg, REG02);
|
|
r->value &= ~REG02_MTRPWR;
|
|
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl124_coarse_calibration: failed to setup scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
RIE (gl124_bulk_write_register
|
|
(dev, dev->calib_reg, GENESYS_GL124_MAX_REGS));
|
|
|
|
total_size = pixels * channels * (16/bpp) * lines;
|
|
|
|
line = malloc (total_size);
|
|
if (!line)
|
|
return SANE_STATUS_NO_MEM;
|
|
|
|
RIE (gl124_set_fe(dev, AFE_SET));
|
|
RIE (gl124_begin_scan (dev, dev->calib_reg, SANE_TRUE));
|
|
RIE (sanei_genesys_read_data_from_scanner (dev, line, total_size));
|
|
|
|
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,
|
|
"gl124_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 (gl124_stop_action (dev));
|
|
|
|
gl124_slow_back_home (dev, SANE_TRUE);
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/*
|
|
* wait for lamp warmup by scanning the same line until difference
|
|
* between 2 scans is below a threshold
|
|
*/
|
|
static SANE_Status
|
|
gl124_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;
|
|
Genesys_Register_Set *r;
|
|
|
|
DBGSTART;
|
|
if (dev == NULL || reg == NULL || channels == NULL || total_size == NULL)
|
|
return SANE_STATUS_INVAL;
|
|
|
|
*channels=3;
|
|
|
|
memcpy (reg, dev->reg, (GENESYS_GL124_MAX_REGS + 1) * sizeof (Genesys_Register_Set));
|
|
status = gl124_init_scan_regs (dev,
|
|
reg,
|
|
dev->sensor.optical_res,
|
|
dev->motor.base_ydpi,
|
|
dev->sensor.sensor_pixels/4,
|
|
0,
|
|
dev->sensor.sensor_pixels/2,
|
|
1,
|
|
8,
|
|
*channels,
|
|
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,
|
|
"gl124_init_regs_for_warmup: failed to setup scan: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
|
|
num_pixels = dev->current_setup.pixels;
|
|
|
|
*total_size = num_pixels * 3 * 1; /* colors * bytes_per_color * scan lines */
|
|
|
|
r = sanei_genesys_get_address (reg, REG02);
|
|
r->value &= ~REG02_MTRPWR;
|
|
RIE (gl124_bulk_write_register (dev, reg, GENESYS_GL124_MAX_REGS));
|
|
|
|
DBGCOMPLETED;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
static SANE_Status
|
|
gl124_is_compatible_calibration (Genesys_Device * dev,
|
|
Genesys_Calibration_Cache * cache,
|
|
int for_overwrite)
|
|
{
|
|
#ifdef HAVE_SYS_TIME_H
|
|
struct timeval time;
|
|
#endif
|
|
int compatible = 1, resolution;
|
|
SANE_Status status;
|
|
|
|
DBGSTART;
|
|
|
|
if (cache == NULL || for_overwrite)
|
|
return SANE_STATUS_UNSUPPORTED;
|
|
|
|
status = gl124_calculate_current_setup (dev);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl124_is_compatible_calibration: failed to calculate current setup: %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
resolution=gl124_compute_dpihw(dev,dev->settings.xres);
|
|
dev->current_setup.scan_method = dev->settings.scan_method;
|
|
|
|
DBG (DBG_proc, "gl124_is_compatible_calibration: checking\n");
|
|
|
|
/* a calibration cache is compatible if color mode and x dpi match the user
|
|
* requested scan. In the case of CIS scanners, dpi isn't a criteria */
|
|
compatible = (resolution == ((int) gl124_compute_dpihw(dev,cache->used_setup.xres)));
|
|
if (dev->current_setup.scan_method != cache->used_setup.scan_method)
|
|
{
|
|
DBG (DBG_io,
|
|
"gl124_is_compatible_calibration: current method=%d, used=%d\n",
|
|
dev->current_setup.scan_method, cache->used_setup.scan_method);
|
|
compatible = 0;
|
|
}
|
|
if (!compatible)
|
|
{
|
|
DBG (DBG_proc,
|
|
"gl124_is_compatible_calibration: completed, non compatible cache\n");
|
|
return SANE_STATUS_UNSUPPORTED;
|
|
}
|
|
|
|
/* a cache entry expires after 60 minutes for non sheetfed scanners */
|
|
#ifdef HAVE_SYS_TIME_H
|
|
gettimeofday (&time, NULL);
|
|
if ((time.tv_sec - cache->last_calibration > 60 * 60)
|
|
&& (dev->model->is_sheetfed == SANE_FALSE)
|
|
&& (dev->settings.scan_method == SCAN_METHOD_FLATBED))
|
|
{
|
|
DBG (DBG_proc,
|
|
"gl124_is_compatible_calibration: expired entry, non compatible cache\n");
|
|
return SANE_STATUS_UNSUPPORTED;
|
|
}
|
|
#endif
|
|
|
|
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
|
|
gl124_init_gpio (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
int idx;
|
|
|
|
DBGSTART;
|
|
|
|
/* per model GPIO layout */
|
|
if (strcmp (dev->model->name, "canon-lide-110") == 0)
|
|
{
|
|
idx = 0;
|
|
}
|
|
else
|
|
{ /* canon LiDE 210 case */
|
|
idx = 1;
|
|
}
|
|
|
|
RIE (sanei_genesys_write_register (dev, REG31, gpios[idx].r31));
|
|
RIE (sanei_genesys_write_register (dev, REG32, gpios[idx].r32));
|
|
RIE (sanei_genesys_write_register (dev, REG33, gpios[idx].r33));
|
|
RIE (sanei_genesys_write_register (dev, REG34, gpios[idx].r34));
|
|
RIE (sanei_genesys_write_register (dev, REG35, gpios[idx].r35));
|
|
RIE (sanei_genesys_write_register (dev, REG36, gpios[idx].r36));
|
|
RIE (sanei_genesys_write_register (dev, REG38, gpios[idx].r38));
|
|
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
/**
|
|
* set memory layout by filling values in dedicated registers
|
|
*/
|
|
static SANE_Status
|
|
gl124_init_memory_layout (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status = SANE_STATUS_GOOD;
|
|
int idx = 0;
|
|
|
|
DBGSTART;
|
|
|
|
/* point to per model memory layout */
|
|
if (strcmp (dev->model->name, "canon-lide-110") == 0)
|
|
{
|
|
idx = 0;
|
|
}
|
|
else
|
|
{ /* canon LiDE 210 case */
|
|
idx = 1;
|
|
}
|
|
|
|
/* setup base address for shading data. */
|
|
/* values must be multiplied by 8192=0x4000 to give address on AHB */
|
|
/* R-Channel shading bank0 address setting for CIS */
|
|
sanei_genesys_write_register (dev, 0xd0, layouts[idx].rd0);
|
|
/* G-Channel shading bank0 address setting for CIS */
|
|
sanei_genesys_write_register (dev, 0xd1, layouts[idx].rd1);
|
|
/* B-Channel shading bank0 address setting for CIS */
|
|
sanei_genesys_write_register (dev, 0xd2, layouts[idx].rd2);
|
|
|
|
/* setup base address for scanned data. */
|
|
/* values must be multiplied by 1024*2=0x0800 to give address on AHB */
|
|
/* R-Channel ODD image buffer 0x0124->0x92000 */
|
|
/* size for each buffer is 0x16d*1k word */
|
|
sanei_genesys_write_register (dev, 0xe0, layouts[idx].re0);
|
|
sanei_genesys_write_register (dev, 0xe1, layouts[idx].re1);
|
|
/* R-Channel ODD image buffer end-address 0x0291->0x148800 => size=0xB6800*/
|
|
sanei_genesys_write_register (dev, 0xe2, layouts[idx].re2);
|
|
sanei_genesys_write_register (dev, 0xe3, layouts[idx].re3);
|
|
|
|
/* R-Channel EVEN image buffer 0x0292 */
|
|
sanei_genesys_write_register (dev, 0xe4, layouts[idx].re4);
|
|
sanei_genesys_write_register (dev, 0xe5, layouts[idx].re5);
|
|
/* R-Channel EVEN image buffer end-address 0x03ff*/
|
|
sanei_genesys_write_register (dev, 0xe6, layouts[idx].re6);
|
|
sanei_genesys_write_register (dev, 0xe7, layouts[idx].re7);
|
|
|
|
/* same for green, since CIS, same addresses */
|
|
sanei_genesys_write_register (dev, 0xe8, layouts[idx].re0);
|
|
sanei_genesys_write_register (dev, 0xe9, layouts[idx].re1);
|
|
sanei_genesys_write_register (dev, 0xea, layouts[idx].re2);
|
|
sanei_genesys_write_register (dev, 0xeb, layouts[idx].re3);
|
|
sanei_genesys_write_register (dev, 0xec, layouts[idx].re4);
|
|
sanei_genesys_write_register (dev, 0xed, layouts[idx].re5);
|
|
sanei_genesys_write_register (dev, 0xee, layouts[idx].re6);
|
|
sanei_genesys_write_register (dev, 0xef, layouts[idx].re7);
|
|
|
|
/* same for blue, since CIS, same addresses */
|
|
sanei_genesys_write_register (dev, 0xf0, layouts[idx].re0);
|
|
sanei_genesys_write_register (dev, 0xf1, layouts[idx].re1);
|
|
sanei_genesys_write_register (dev, 0xf2, layouts[idx].re2);
|
|
sanei_genesys_write_register (dev, 0xf3, layouts[idx].re3);
|
|
sanei_genesys_write_register (dev, 0xf4, layouts[idx].re4);
|
|
sanei_genesys_write_register (dev, 0xf5, layouts[idx].re5);
|
|
sanei_genesys_write_register (dev, 0xf6, layouts[idx].re6);
|
|
sanei_genesys_write_register (dev, 0xf7, layouts[idx].re7);
|
|
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
|
|
|
|
/* *
|
|
* initialize ASIC from power on condition
|
|
*/
|
|
static SANE_Status
|
|
gl124_cold_boot (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status;
|
|
uint8_t val;
|
|
|
|
DBGSTART;
|
|
|
|
RIE (sanei_genesys_write_register (dev, 0x0e, 0x01));
|
|
RIE (sanei_genesys_write_register (dev, 0x0e, 0x00));
|
|
|
|
/* enable GPOE 17 */
|
|
RIE (sanei_genesys_write_register (dev, 0x36, 0x01));
|
|
|
|
/* set GPIO 17 */
|
|
RIE (sanei_genesys_read_register (dev, 0x33, &val));
|
|
val |= 0x01;
|
|
RIE (sanei_genesys_write_register (dev, 0x33, val));
|
|
|
|
/* test CHKVER */
|
|
RIE (sanei_genesys_read_hregister (dev, REG100, &val));
|
|
if (val & REG100_CHKVER)
|
|
{
|
|
RIE (sanei_genesys_read_register (dev, 0x00, &val));
|
|
DBG (DBG_info,
|
|
"gl124_cold_boot: reported version for genesys chip is 0x%02x\n",
|
|
val);
|
|
}
|
|
|
|
/* Set default values for registers */
|
|
gl124_init_registers (dev);
|
|
|
|
/* Write initial registers */
|
|
RIE (gl124_bulk_write_register (dev, dev->reg, GENESYS_GL124_MAX_REGS));
|
|
|
|
/* tune reg 0B */
|
|
val = REG0B_30MHZ | REG0B_ENBDRAM | REG0B_64M;
|
|
RIE (sanei_genesys_write_register (dev, REG0B, val));
|
|
dev->reg[reg_0x0b].address = 0x00;
|
|
|
|
/* set up end access */
|
|
RIE (sanei_genesys_write_0x8c (dev, 0x10, 0x0b));
|
|
RIE (sanei_genesys_write_0x8c (dev, 0x13, 0x0e));
|
|
|
|
/* CIS_LINE */
|
|
SETREG (0x08, REG08_CIS_LINE);
|
|
RIE (sanei_genesys_write_register (dev, 0x08, dev->reg[reg_0x08].value));
|
|
|
|
/* setup gpio */
|
|
RIE (gl124_init_gpio (dev));
|
|
|
|
/* setup internal memory layout */
|
|
RIE (gl124_init_memory_layout (dev));
|
|
|
|
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
|
|
gl124_init (Genesys_Device * dev)
|
|
{
|
|
SANE_Status status;
|
|
uint8_t val;
|
|
SANE_Bool cold = SANE_TRUE;
|
|
int size;
|
|
|
|
DBG_INIT ();
|
|
DBGSTART;
|
|
|
|
/* URB 16 control 0xc0 0x0c 0x8e 0x0b len 1 read 0x00 */
|
|
status =
|
|
sanei_usb_control_msg (dev->dn, REQUEST_TYPE_IN, REQUEST_REGISTER,
|
|
VALUE_GET_REGISTER, 0x00, 1, &val);
|
|
if (status != SANE_STATUS_GOOD)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl124_init: request register failed %s\n",
|
|
sane_strstatus (status));
|
|
return status;
|
|
}
|
|
DBG (DBG_io2, "gl124_init: value=0x%02x\n", val);
|
|
DBG (DBG_info, "%s: device is %s\n", __FUNCTION__,
|
|
(val & 0x08) ? "USB 1.0" : "USB2.0");
|
|
if (val & 0x08)
|
|
{
|
|
dev->usb_mode = 1;
|
|
}
|
|
else
|
|
{
|
|
dev->usb_mode = 2;
|
|
}
|
|
|
|
/* check if the device has already been initialized and powered up
|
|
* we read register 6 and check PWRBIT, if reset scanner has been
|
|
* freshly powered up. This bit will be set to later so that following
|
|
* reads can detect power down/up cycle*/
|
|
RIE (sanei_genesys_read_register (dev, 0x06, &val));
|
|
if (val & REG06_PWRBIT)
|
|
{
|
|
cold = SANE_FALSE;
|
|
}
|
|
DBG (DBG_info, "%s: device is %s\n", __FUNCTION__, cold ? "cold" : "warm");
|
|
|
|
/* don't do anything if backend is initialized and hardware hasn't been
|
|
* replug */
|
|
if (dev->already_initialized && !cold)
|
|
{
|
|
DBG (DBG_info, "gl124_init: already initialized, nothing to do\n");
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* set up hardware and registers */
|
|
RIE (gl124_cold_boot (dev));
|
|
|
|
/* now hardware part is OK, set up device struct */
|
|
FREE_IFNOT_NULL (dev->white_average_data);
|
|
FREE_IFNOT_NULL (dev->dark_average_data);
|
|
FREE_IFNOT_NULL (dev->sensor.red_gamma_table);
|
|
FREE_IFNOT_NULL (dev->sensor.green_gamma_table);
|
|
FREE_IFNOT_NULL (dev->sensor.blue_gamma_table);
|
|
|
|
dev->settings.color_filter = 0;
|
|
|
|
memcpy (dev->calib_reg, dev->reg,
|
|
GENESYS_GL124_MAX_REGS * sizeof (Genesys_Register_Set));
|
|
|
|
/* Set analog frontend */
|
|
RIE (gl124_set_fe (dev, AFE_INIT));
|
|
|
|
/* init gamma tables */
|
|
size = 256;
|
|
if (dev->sensor.red_gamma_table == NULL)
|
|
{
|
|
dev->sensor.red_gamma_table = (uint16_t *) malloc (2 * size);
|
|
if (dev->sensor.red_gamma_table == NULL)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl124_init: could not allocate memory for gamma table\n");
|
|
return SANE_STATUS_NO_MEM;
|
|
}
|
|
sanei_genesys_create_gamma_table (dev->sensor.red_gamma_table, size,
|
|
65535, 65535, dev->sensor.red_gamma);
|
|
}
|
|
if (dev->sensor.green_gamma_table == NULL)
|
|
{
|
|
dev->sensor.green_gamma_table = (uint16_t *) malloc (2 * size);
|
|
if (dev->sensor.red_gamma_table == NULL)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl124_init: could not allocate memory for gamma table\n");
|
|
return SANE_STATUS_NO_MEM;
|
|
}
|
|
sanei_genesys_create_gamma_table (dev->sensor.green_gamma_table, size,
|
|
65535, 65535,
|
|
dev->sensor.green_gamma);
|
|
}
|
|
if (dev->sensor.blue_gamma_table == NULL)
|
|
{
|
|
dev->sensor.blue_gamma_table = (uint16_t *) malloc (2 * size);
|
|
if (dev->sensor.red_gamma_table == NULL)
|
|
{
|
|
DBG (DBG_error,
|
|
"gl124_init: could not allocate memory for gamma table\n");
|
|
return SANE_STATUS_NO_MEM;
|
|
}
|
|
sanei_genesys_create_gamma_table (dev->sensor.blue_gamma_table, size,
|
|
65535, 65535, dev->sensor.blue_gamma);
|
|
}
|
|
|
|
dev->oe_buffer.buffer = NULL;
|
|
dev->already_initialized = SANE_TRUE;
|
|
|
|
/* Move home if needed */
|
|
RIE (gl124_slow_back_home (dev, SANE_TRUE));
|
|
dev->scanhead_position_in_steps = 0;
|
|
|
|
/* Set powersaving (default = 15 minutes) */
|
|
RIE (gl124_set_powersaving (dev, 15));
|
|
|
|
DBGCOMPLETED;
|
|
return status;
|
|
}
|
|
|
|
static SANE_Status
|
|
gl124_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=0;
|
|
|
|
RIE (sanei_genesys_read_register (s->dev, REG31, &val));
|
|
|
|
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 & 0x08) == 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 & 0x02) == 0;
|
|
return status;
|
|
}
|
|
|
|
|
|
/** the gl124 command set */
|
|
static Genesys_Command_Set gl124_cmd_set = {
|
|
"gl124-generic", /* the name of this set */
|
|
|
|
gl124_init,
|
|
gl124_init_regs_for_warmup,
|
|
gl124_init_regs_for_coarse_calibration,
|
|
gl124_init_regs_for_shading,
|
|
gl124_init_regs_for_scan,
|
|
|
|
gl124_get_filter_bit,
|
|
gl124_get_lineart_bit,
|
|
gl124_get_bitset_bit,
|
|
gl124_get_gain4_bit,
|
|
gl124_get_fast_feed_bit,
|
|
gl124_test_buffer_empty_bit,
|
|
gl124_test_motor_flag_bit,
|
|
|
|
gl124_bulk_full_size,
|
|
|
|
gl124_set_fe,
|
|
gl124_set_powersaving,
|
|
gl124_save_power,
|
|
|
|
gl124_set_motor_power,
|
|
gl124_set_lamp_power,
|
|
|
|
gl124_begin_scan,
|
|
gl124_end_scan,
|
|
|
|
gl124_send_gamma_table,
|
|
|
|
gl124_search_start_position,
|
|
|
|
gl124_offset_calibration,
|
|
gl124_coarse_gain_calibration,
|
|
gl124_led_calibration,
|
|
|
|
gl124_slow_back_home,
|
|
|
|
gl124_bulk_write_register,
|
|
NULL,
|
|
gl124_bulk_read_data,
|
|
|
|
gl124_update_hardware_sensors,
|
|
|
|
/* no sheetfed support for now */
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
NULL,
|
|
|
|
gl124_is_compatible_calibration,
|
|
NULL,
|
|
gl124_send_shading_data
|
|
};
|
|
|
|
SANE_Status
|
|
sanei_gl124_init_cmd_set (Genesys_Device * dev)
|
|
{
|
|
dev->model->cmd_set = &gl124_cmd_set;
|
|
return SANE_STATUS_GOOD;
|
|
}
|
|
|
|
/* vim: set sw=2 cino=>2se-1sn-1s{s^-1st0(0u0 smarttab expandtab: */
|