kopia lustrzana https://gitlab.com/sane-project/backends
371 wiersze
11 KiB
C
371 wiersze
11 KiB
C
/* sane - Scanner Access Now Easy.
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Copyright (C) 2002 Frank Zago (sane at zago dot net)
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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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/*
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$Id$
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*/
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/* Commands supported by the KV-SS 25 scanner. */
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#define SCSI_TEST_UNIT_READY 0x00
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#define SCSI_INQUIRY 0x12
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#define SCSI_SET_WINDOW 0x24
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#define SCSI_READ_10 0x28
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#define SCSI_REQUEST_SENSE 0x03
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typedef struct
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{
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unsigned char data[16];
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int len;
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}
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CDB;
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/* Set a specific bit depending on a boolean.
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* MKSCSI_BIT(TRUE, 3) will generate 0x08. */
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#define MKSCSI_BIT(bit, pos) ((bit)? 1<<(pos): 0)
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/* Set a value in a range of bits.
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* MKSCSI_I2B(5, 3, 5) will generate 0x28 */
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#define MKSCSI_I2B(bits, pos_b, pos_e) ((bits) << (pos_b) & ((1<<((pos_e)-(pos_b)+1))-1))
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/* Store an integer in 2, 3 or 4 byte in an array. */
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#define Ito16(val, buf) { \
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((unsigned char *)buf)[0] = ((val) >> 8) & 0xff; \
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((unsigned char *)buf)[1] = ((val) >> 0) & 0xff; \
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}
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#define Ito24(val, buf) { \
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((unsigned char *)buf)[0] = ((val) >> 16) & 0xff; \
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((unsigned char *)buf)[1] = ((val) >> 8) & 0xff; \
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((unsigned char *)buf)[2] = ((val) >> 0) & 0xff; \
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}
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#define Ito32(val, buf) { \
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((unsigned char *)buf)[0] = ((val) >> 24) & 0xff; \
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((unsigned char *)buf)[1] = ((val) >> 16) & 0xff; \
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((unsigned char *)buf)[2] = ((val) >> 8) & 0xff; \
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((unsigned char *)buf)[3] = ((val) >> 0) & 0xff; \
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}
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#define MKSCSI_TEST_UNIT_READY(cdb) \
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cdb.data[0] = SCSI_TEST_UNIT_READY; \
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cdb.data[1] = 0; \
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cdb.data[2] = 0; \
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cdb.data[3] = 0; \
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cdb.data[4] = 0; \
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cdb.data[5] = 0; \
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cdb.len = 6;
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#define MKSCSI_INQUIRY(cdb, buflen) \
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cdb.data[0] = SCSI_INQUIRY; \
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cdb.data[1] = 0; \
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cdb.data[2] = 0; \
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cdb.data[3] = 0; \
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cdb.data[4] = buflen; \
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cdb.data[5] = 0; \
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cdb.len = 6;
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#define MKSCSI_SET_WINDOW(cdb, buflen) \
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cdb.data[0] = SCSI_SET_WINDOW; \
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cdb.data[1] = 0; \
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cdb.data[2] = 0; \
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cdb.data[3] = 0; \
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cdb.data[4] = 0; \
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cdb.data[5] = 0; \
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cdb.data[6] = (((buflen) >> 16) & 0xff); \
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cdb.data[7] = (((buflen) >> 8) & 0xff); \
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cdb.data[8] = (((buflen) >> 0) & 0xff); \
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cdb.data[9] = 0; \
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cdb.len = 10;
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#define MKSCSI_READ_10(cdb, dtc, dtq, buflen) \
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cdb.data[0] = SCSI_READ_10; \
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cdb.data[1] = 0; \
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cdb.data[2] = (dtc); \
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cdb.data[3] = 0; \
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cdb.data[4] = (((dtq) >> 8) & 0xff); \
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cdb.data[5] = (((dtq) >> 0) & 0xff); \
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cdb.data[6] = (((buflen) >> 16) & 0xff); \
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cdb.data[7] = (((buflen) >> 8) & 0xff); \
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cdb.data[8] = (((buflen) >> 0) & 0xff); \
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cdb.data[9] = 0; \
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cdb.len = 10;
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#define MKSCSI_REQUEST_SENSE(cdb, buflen) \
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cdb.data[0] = SCSI_REQUEST_SENSE; \
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cdb.data[1] = 0; \
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cdb.data[2] = 0; \
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cdb.data[3] = 0; \
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cdb.data[4] = (buflen); \
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cdb.data[5] = 0; \
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cdb.len = 6;
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/*--------------------------------------------------------------------------*/
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static inline int
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getbitfield (unsigned char *pageaddr, int mask, int shift)
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{
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return ((*pageaddr >> shift) & mask);
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}
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/* defines for request sense return block */
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#define get_RS_information_valid(b) getbitfield(b + 0x00, 1, 7)
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#define get_RS_error_code(b) getbitfield(b + 0x00, 0x7f, 0)
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#define get_RS_filemark(b) getbitfield(b + 0x02, 1, 7)
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#define get_RS_EOM(b) getbitfield(b + 0x02, 1, 6)
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#define get_RS_ILI(b) getbitfield(b + 0x02, 1, 5)
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#define get_RS_sense_key(b) getbitfield(b + 0x02, 0x0f, 0)
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#define get_RS_information(b) getnbyte(b+0x03, 4)
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#define get_RS_additional_length(b) b[0x07]
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#define get_RS_ASC(b) b[0x0c]
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#define get_RS_ASCQ(b) b[0x0d]
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#define get_RS_SKSV(b) getbitfield(b+0x0f,1,7)
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/*--------------------------------------------------------------------------*/
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#define MM_PER_INCH 25.4
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#define mmToIlu(mm) (((mm) * 1200) / MM_PER_INCH)
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#define iluToMm(ilu) (((ilu) * MM_PER_INCH) / 1200)
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#define PAGE_FRONT 0x00
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#define PAGE_BACK 0x80
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/*--------------------------------------------------------------------------*/
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enum Matsushita_Option
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{
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OPT_NUM_OPTS = 0,
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OPT_MODE_GROUP,
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OPT_MODE, /* scanner modes */
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OPT_RESOLUTION, /* X and Y resolution */
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OPT_DUPLEX, /* Duplex mode */
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OPT_FEEDER_MODE, /* Feeding mode */
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OPT_GEOMETRY_GROUP,
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OPT_PAPER_SIZE, /* Paper size */
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OPT_TL_X, /* upper left X */
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OPT_TL_Y, /* upper left Y */
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OPT_BR_X, /* bottom right X */
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OPT_BR_Y, /* bottom right Y */
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OPT_ENHANCEMENT_GROUP,
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OPT_BRIGHTNESS, /* Brightness */
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OPT_CONTRAST, /* Contrast */
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OPT_AUTOMATIC_THRESHOLD, /* Automatic threshold */
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OPT_HALFTONE_PATTERN, /* Halftone pattern */
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OPT_AUTOMATIC_SEPARATION, /* Automatic separation */
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OPT_WHITE_LEVEL, /* White level */
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OPT_NOISE_REDUCTION, /* Noise reduction */
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OPT_IMAGE_EMPHASIS, /* Image emphasis */
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OPT_GAMMA, /* Gamma */
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/* must come last: */
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OPT_NUM_OPTIONS
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};
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/*--------------------------------------------------------------------------*/
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#define BLACK_WHITE_STR SANE_I18N("Black & White")
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#define GRAY4_STR SANE_I18N("Grayscale 4 bits")
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#define GRAY8_STR SANE_I18N("Grayscale 8 bits")
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/*--------------------------------------------------------------------------*/
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#define SANE_NAME_DUPLEX "duplex"
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#define SANE_NAME_PAPER_SIZE "paper-size"
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#define SANE_NAME_AUTOSEP "autoseparation"
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#define SANE_TITLE_DUPLEX SANE_I18N("Duplex")
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#define SANE_TITLE_PAPER_SIZE SANE_I18N("Paper size")
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#define SANE_TITLE_AUTOSEP SANE_I18N("Automatic separation")
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#define SANE_DESC_DUPLEX \
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SANE_I18N("Enable Duplex (Dual-Sided) Scanning")
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#define SANE_DESC_PAPER_SIZE \
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SANE_I18N("Physical size of the paper in the ADF");
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#define SANE_DESC_AUTOSEP \
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SANE_I18N("Automatic separation")
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/*--------------------------------------------------------------------------*/
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/* Differences between the scanners.
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* The scsi_* fields are used to lookup the correcte entry. */
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struct scanners_supported
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{
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int scsi_type;
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char scsi_vendor[9];
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char scsi_product[17];
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SANE_Range x_range;
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SANE_Range y_range;
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SANE_Range brightness_range;
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SANE_Range contrast_range;
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SANE_String_Const *scan_mode_list; /* array of scan modes */
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const SANE_Word *resolutions_list; /* array of available resolutions */
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const SANE_Word *resolutions_round; /* rounding values for each resolutions */
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SANE_String_Const *image_emphasis_list; /* list of image emphasis options */
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const int *image_emphasis_val; /* list of image emphasis values */
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/* Scanner capabilities. */
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int cap; /* bit field */
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#define MAT_CAP_DUPLEX 0x00000002 /* can do duplex */
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#define MAT_CAP_CONTRAST 0x00000004 /* have contrast */
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#define MAT_CAP_AUTOMATIC_THRESHOLD 0x00000008
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#define MAT_CAP_WHITE_LEVEL 0x00000010
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#define MAT_CAP_GAMMA 0x00000020
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#define MAT_CAP_NOISE_REDUCTION 0x00000040
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#define MAT_CAP_PAPER_DETECT 0x00000080
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#define MAT_CAP_MIRROR_IMAGE 0x00000100
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#define MAT_CAP_DETECT_DOUBLE_FEED 0x00000200
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#define MAT_CAP_MANUAL_FEED 0x00000400
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};
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struct paper_sizes
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{
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SANE_String_Const name; /* name of the paper */
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int width;
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int length;
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};
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/*--------------------------------------------------------------------------*/
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/* Define a scanner occurence. */
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typedef struct Matsushita_Scanner
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{
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struct Matsushita_Scanner *next;
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SANE_Device sane;
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char *devicename;
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int sfd; /* device handle */
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/* Infos from inquiry. */
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char scsi_type;
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char scsi_vendor[9];
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char scsi_product[17];
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char scsi_version[5];
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/* Scanner infos. */
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int scnum; /* index of that scanner in
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* scanners_supported */
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SANE_String_Const *paper_sizes_list; /* names of supported papers */
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int *paper_sizes_val; /* indirection into paper_sizes[] */
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/* SCSI handling */
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size_t buffer_size; /* size of the buffer */
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SANE_Byte *buffer; /* for SCSI transfer. */
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/* Scanning handling. */
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int scanning; /* TRUE if a scan is running. */
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int resolution; /* resolution in DPI, for both X and Y */
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int x_tl; /* X top left */
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int y_tl; /* Y top left */
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int x_br; /* X bottom right */
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int y_br; /* Y bottom right */
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int width; /* width of the scan area in mm */
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int length; /* length of the scan area in mm */
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enum
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{
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MATSUSHITA_BW,
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MATSUSHITA_HALFTONE,
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MATSUSHITA_GRAYSCALE
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}
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scan_mode;
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int depth; /* depth per color */
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int halftone_pattern; /* haltone number, valid for MATSUSHITA_HALFTONE */
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size_t bytes_left; /* number of bytes left to give to the backend */
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size_t real_bytes_left; /* number of bytes left the scanner will return. */
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SANE_Parameters params;
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int page_side; /* 0=front, 1=back */
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int page_num; /* current number of the page */
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/* For Grayscale 4 bits only */
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SANE_Byte *image; /* keep the current image there */
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size_t image_size; /* allocated size of image */
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size_t image_begin; /* first significant byte in image */
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size_t image_end; /* first free byte in image */
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/* Options */
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SANE_Option_Descriptor opt[OPT_NUM_OPTIONS];
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Option_Value val[OPT_NUM_OPTIONS];
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}
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Matsushita_Scanner;
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/*--------------------------------------------------------------------------*/
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/* Debug levels.
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* Should be common to all backends. */
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#define DBG_error0 0
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#define DBG_error 1
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#define DBG_sense 2
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#define DBG_warning 3
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#define DBG_inquiry 4
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#define DBG_info 5
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#define DBG_info2 6
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#define DBG_proc 7
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#define DBG_read 8
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#define DBG_sane_init 10
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#define DBG_sane_proc 11
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#define DBG_sane_info 12
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#define DBG_sane_option 13
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/*--------------------------------------------------------------------------*/
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/* 32 bits from an array to an integer (eg ntohl). */
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#define B32TOI(buf) \
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((((unsigned char *)buf)[0] << 24) | \
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(((unsigned char *)buf)[1] << 16) | \
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(((unsigned char *)buf)[2] << 8) | \
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(((unsigned char *)buf)[3] << 0))
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