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Diffstat (limited to 'backend/matsushita.c')
| -rw-r--r-- | backend/matsushita.c | 2512 |
1 files changed, 2512 insertions, 0 deletions
diff --git a/backend/matsushita.c b/backend/matsushita.c new file mode 100644 index 0000000..e70c60a --- /dev/null +++ b/backend/matsushita.c @@ -0,0 +1,2512 @@ +/* sane - Scanner Access Now Easy. + + Copyright (C) 2002, 2004 Frank Zago (sane at zago dot net) + Copyright (C) 2002 Other SANE contributors + + This file is part of the SANE package. + + This program is free software; you can redistribute it and/or + modify it under the terms of the GNU General Public License as + published by the Free Software Foundation; either version 2 of the + License, or (at your option) any later version. + + This program is distributed in the hope that it will be useful, but + WITHOUT ANY WARRANTY; without even the implied warranty of + MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU + General Public License for more details. + + You should have received a copy of the GNU General Public License + along with this program; if not, write to the Free Software + Foundation, Inc., 59 Temple Place - Suite 330, Boston, + MA 02111-1307, USA. + + As a special exception, the authors of SANE give permission for + additional uses of the libraries contained in this release of SANE. + + The exception is that, if you link a SANE library with other files + to produce an executable, this does not by itself cause the + resulting executable to be covered by the GNU General Public + License. Your use of that executable is in no way restricted on + account of linking the SANE library code into it. + + This exception does not, however, invalidate any other reasons why + the executable file might be covered by the GNU General Public + License. + + If you submit changes to SANE to the maintainers to be included in + a subsequent release, you agree by submitting the changes that + those changes may be distributed with this exception intact. + + If you write modifications of your own for SANE, it is your choice + whether to permit this exception to apply to your modifications. + If you do not wish that, delete this exception notice. +*/ + +/* + $Id$ + Matsushita/Panasonic KV-SS25, KV-SS50, KV-SS55, KV-SS50EX, + KV-SS55EX, KV-SS850, KV-SS855 SCSI scanners. + + This backend may support more Panasonic scanners. +*/ + +/*--------------------------------------------------------------------------*/ + +#define BUILD 7 /* 2004-02-11 */ +#define BACKEND_NAME matsushita +#define MATSUSHITA_CONFIG_FILE "matsushita.conf" + +/*--------------------------------------------------------------------------*/ + +#include "../include/sane/config.h" + +#include <errno.h> +#include <fcntl.h> +#include <limits.h> +#include <signal.h> +#include <stdio.h> +#include <stdlib.h> +#include <string.h> +#include <sys/types.h> +#include <sys/wait.h> +#include <unistd.h> + +#include "../include/sane/sane.h" +#include "../include/sane/sanei.h" +#include "../include/sane/saneopts.h" +#include "../include/sane/sanei_scsi.h" +#include "../include/sane/sanei_debug.h" +#include "../include/sane/sanei_backend.h" +#include "../include/sane/sanei_config.h" +#include "../include/lassert.h" + +#include "matsushita.h" + +/*--------------------------------------------------------------------------*/ + +/* Lists of possible scan modes. */ +static SANE_String_Const scan_mode_list_1[] = { + BLACK_WHITE_STR, + NULL +}; + +static SANE_String_Const scan_mode_list_3[] = { + BLACK_WHITE_STR, + GRAY4_STR, + GRAY8_STR, + NULL +}; + +/*--------------------------------------------------------------------------*/ + +/* Lists of supported resolutions (in DPI). + * 200 DPI scanners are using resolutions_list_200 + * 300 DPI scanners are using resolutions_list_300 + * 400 DPI scanners are using resolutions_list_400 + * + * The resolutions_rounds_* lists provide the value with which round + * up the X value given by the interface. + */ +#ifdef unused_yet +static const SANE_Word resolutions_list_200[4] = { + 3, 100, 150, 200 +}; +static const SANE_Word resolutions_rounds_200[4] = { + 3, 0x100, 0x40, 0x20 +}; +#endif + +static const SANE_Word resolutions_list_300[5] = { + 4, 150, 200, 240, 300 +}; +static const SANE_Word resolutions_rounds_300[5] = { + 4, 0x100, 0x40, 0x20, 0x80 +}; + +static const SANE_Word resolutions_list_400[8] = { + 7, 100, 150, 200, 240, 300, 360, 400 +}; +static const SANE_Word resolutions_rounds_400[8] = { + 7, 0x100, 0x100, 0x40, 0x20, 0x80, 0x100, 0x100 /* TO FIX */ +}; + +/*--------------------------------------------------------------------------*/ + +/* Lists of supported halftone. They are only valid with + * for the Black&White mode. */ +static SANE_String_Const halftone_pattern_list[] = { + SANE_I18N ("None"), + SANE_I18N ("Bayer Dither 16"), + SANE_I18N ("Bayer Dither 64"), + SANE_I18N ("Halftone Dot 32"), + SANE_I18N ("Halftone Dot 64"), + SANE_I18N ("Error Diffusion"), + NULL +}; +static const int halftone_pattern_val[] = { + -1, + 0x01, + 0x00, + 0x02, + 0x03, + 0x04 +}; + +/*--------------------------------------------------------------------------*/ + +/* List of automatic threshold options */ +static SANE_String_Const automatic_threshold_list[] = { + SANE_I18N ("None"), + SANE_I18N ("Mode 1"), + SANE_I18N ("Mode 2"), + SANE_I18N ("Mode 3"), + NULL +}; +static const int automatic_threshold_val[] = { + 0, + 0x80, + 0x81, + 0x82 +}; + +/*--------------------------------------------------------------------------*/ + +/* List of white level base. */ +static SANE_String_Const white_level_list[] = { + SANE_I18N ("From white stick"), + SANE_I18N ("From paper"), + SANE_I18N ("Automatic"), + NULL +}; +static const int white_level_val[] = { + 0x00, + 0x80, + 0x81 +}; + +/*--------------------------------------------------------------------------*/ + +/* List of noise reduction options. */ +static SANE_String_Const noise_reduction_list[] = { + SANE_I18N ("None"), + "1x1", + "2x2", + "3x3", + "4x4", + "5x5", + NULL +}; +static const int noise_reduction_val[] = { + 0x00, + 0x01, + 0x02, + 0x03, + 0x04, + 0x05 +}; + +/*--------------------------------------------------------------------------*/ + +/* List of image emphasis options, 5 steps */ +static SANE_String_Const image_emphasis_list_5[] = { + SANE_I18N ("Smooth"), + SANE_I18N ("None"), + SANE_I18N ("Low"), + SANE_I18N ("Medium"), /* default */ + SANE_I18N ("High"), + NULL +}; +static const int image_emphasis_val_5[] = { + 0x80, + 0x00, + 0x01, + 0x30, + 0x50 +}; + +/* List of image emphasis options, 3 steps */ +static SANE_String_Const image_emphasis_list_3[] = { + SANE_I18N ("Low"), + SANE_I18N ("Medium"), /* default ? */ + SANE_I18N ("High"), + NULL +}; +static const int image_emphasis_val_3[] = { + 0x01, + 0x30, + 0x50 +}; + +/*--------------------------------------------------------------------------*/ + +/* List of gamma */ +static SANE_String_Const gamma_list[] = { + SANE_I18N ("Normal"), + SANE_I18N ("CRT"), + NULL +}; +static const int gamma_val[] = { + 0x00, + 0x01 +}; + +/*--------------------------------------------------------------------------*/ + +/* Page feeder options */ +static SANE_String_Const feeder_mode_list[] = { + SANE_I18N ("One page"), + SANE_I18N ("All pages"), + NULL +}; +static const int feeder_mode_val[] = { + 0x00, + 0xff +}; + +/*--------------------------------------------------------------------------*/ + +/* Paper size in millimeters. + * Values from http://www.twics.com/~eds/paper/. */ +static const struct paper_sizes paper_sizes[] = { + {"2A0", 1189, 1682}, + {"4A0", 1682, 2378}, + {"A0", 841, 1189}, + {"A1", 594, 841}, + {"A2", 420, 594}, + {"A3", 297, 420}, + {"A4", 210, 297}, + {"A5", 148, 210}, + {"A6", 105, 148}, + {"A7", 74, 105}, + {"A8", 52, 74}, + {"A9", 37, 52}, + {"A10", 26, 37}, + {"B0", 1000, 1414}, + {"B1", 707, 1000}, + {"B2", 500, 707}, + {"B3", 353, 500}, + {"B4", 250, 353}, + {"B5", 176, 250}, + {"B6", 125, 176}, + {"B7", 88, 125}, + {"B8", 62, 88}, + {"B9", 44, 62}, + {"B10", 31, 44}, + {"C0", 917, 1297}, + {"C1", 648, 917}, + {"C2", 458, 648}, + {"C3", 324, 458}, + {"C4", 229, 324}, + {"C5", 162, 229}, + {"C6", 114, 162}, + {"C7", 81, 114}, + {"C8", 57, 81}, + {"C9", 40, 57}, + {"C10", 28, 40}, + {"Legal", 8.5 * MM_PER_INCH, 14 * MM_PER_INCH}, + {"Letter", 8.5 * MM_PER_INCH, 11 * MM_PER_INCH} +}; + +/*--------------------------------------------------------------------------*/ + +/* Define the supported scanners and their characteristics. */ +static const struct scanners_supported scanners[] = { + + /* Panasonic KV-SS25 */ + { + 0x06, "K.M.E. ", "KV-SS25A ", + {SANE_FIX (0), SANE_FIX (8.5 * MM_PER_INCH), 0}, /* x range 0 to 215.9 mm */ + {SANE_FIX (0), SANE_FIX (17 * MM_PER_INCH), 0}, /* y range 0 to 431.8 mm */ + {1, 255, 1}, /* brightness range */ + {1, 255, 1}, /* contrast range */ + scan_mode_list_3, + resolutions_list_300, resolutions_rounds_300, + image_emphasis_list_5, image_emphasis_val_5, + MAT_CAP_DUPLEX | MAT_CAP_CONTRAST | + MAT_CAP_AUTOMATIC_THRESHOLD | MAT_CAP_WHITE_LEVEL | MAT_CAP_GAMMA | + MAT_CAP_NOISE_REDUCTION}, + + /* Panasonic KV-SS25D */ + { + 0x06, "K.M.E. ", "KV-SS25D ", /* TO FIX */ + {SANE_FIX (0), SANE_FIX (8.5 * MM_PER_INCH), 0}, /* x range 0 to 215.9 mm */ + {SANE_FIX (0), SANE_FIX (17 * MM_PER_INCH), 0}, /* y range 0 to 431.8 mm */ + {1, 255, 1}, /* brightness range */ + {1, 255, 1}, /* contrast range */ + scan_mode_list_3, + resolutions_list_300, resolutions_rounds_300, + image_emphasis_list_5, image_emphasis_val_5, + MAT_CAP_DUPLEX | MAT_CAP_CONTRAST | + MAT_CAP_AUTOMATIC_THRESHOLD | MAT_CAP_WHITE_LEVEL | MAT_CAP_GAMMA | + MAT_CAP_NOISE_REDUCTION}, + + /* Panasonic KV-SS50 */ + { + 0x06, "K.M.E. ", "KV-SS50 ", /* TO FIX */ + {SANE_FIX (0), SANE_FIX (8.5 * MM_PER_INCH), 0}, /* x range 0 to 215.9 mm */ + {SANE_FIX (0), SANE_FIX (14 * MM_PER_INCH), 0}, /* y range 0 to 355.6 mm */ + {1, 5, 1}, /* brightness range, TO FIX */ + {0, 0, 0}, /* contrast range */ + scan_mode_list_1, + resolutions_list_300, resolutions_rounds_300, /* TO FIX */ + image_emphasis_list_3, image_emphasis_val_3, + MAT_CAP_PAPER_DETECT | MAT_CAP_MIRROR_IMAGE}, + + /* Panasonic KV-SS55 */ + { + 0x06, "K.M.E. ", "KV-SS55 ", /* TO FIX */ + {SANE_FIX (0), SANE_FIX (8.5 * MM_PER_INCH), 0}, /* x range 0 to 215.9 mm */ + {SANE_FIX (0), SANE_FIX (14 * MM_PER_INCH), 0}, /* y range 0 to 355.6 mm */ + {1, 5, 1}, /* brightness range, TO FIX */ + {1, 255, 1}, /* contrast range, TO FIX */ + scan_mode_list_1, + resolutions_list_300, resolutions_rounds_300, /* TO FIX */ + image_emphasis_list_3, image_emphasis_val_3, + MAT_CAP_DUPLEX | MAT_CAP_CONTRAST | MAT_CAP_PAPER_DETECT | + MAT_CAP_MIRROR_IMAGE}, + + /* Panasonic KV-SS50EX */ + { + 0x06, "K.M.E. ", "KV-SS50EX ", /* TO FIX */ + {SANE_FIX (0), SANE_FIX (8.5 * MM_PER_INCH), 0}, /* x range 0 to 215.9 mm */ + {SANE_FIX (0), SANE_FIX (17 * MM_PER_INCH), 0}, /* y range 0 to 355.6 mm */ + {1, 255, 1}, /* brightness range */ + {0, 0, 0}, /* contrast range */ + scan_mode_list_3, + resolutions_list_300, resolutions_rounds_300, /* TO FIX */ + image_emphasis_list_5, image_emphasis_val_5, + MAT_CAP_AUTOMATIC_THRESHOLD | MAT_CAP_WHITE_LEVEL | MAT_CAP_GAMMA | + MAT_CAP_NOISE_REDUCTION | MAT_CAP_PAPER_DETECT | MAT_CAP_MIRROR_IMAGE}, + + /* Panasonic KV-SS55EX */ + { + 0x06, "K.M.E. ", "KV-SS55EX ", + {SANE_FIX (0), SANE_FIX (8.5 * MM_PER_INCH), 0}, /* x range 0 to 215.9 mm */ + {SANE_FIX (0), SANE_FIX (17 * MM_PER_INCH), 0}, /* y range 0 to 431.8 mm */ + {1, 255, 1}, /* brightness range */ + {1, 255, 1}, /* contrast range */ + scan_mode_list_3, + resolutions_list_300, resolutions_rounds_300, + image_emphasis_list_5, image_emphasis_val_5, + MAT_CAP_DUPLEX | MAT_CAP_CONTRAST | + MAT_CAP_AUTOMATIC_THRESHOLD | MAT_CAP_WHITE_LEVEL | MAT_CAP_GAMMA | + MAT_CAP_NOISE_REDUCTION}, + + /* Panasonic KV-SS850 */ + { + 0x06, "K.M.E. ", "KV-SS850 ", /* TO FIX */ + {SANE_FIX (0), SANE_FIX (11.5 * MM_PER_INCH), 0}, /* x range 0 to 215.9 mm */ + {SANE_FIX (0), SANE_FIX (17 * MM_PER_INCH), 0}, /* y range 0 to 355.6 mm */ + {1, 255, 1}, /* brightness range */ + {0, 0, 0}, /* contrast range */ + scan_mode_list_3, + resolutions_list_300, resolutions_rounds_300, /* TO FIX */ + image_emphasis_list_5, image_emphasis_val_5, + MAT_CAP_AUTOMATIC_THRESHOLD | MAT_CAP_WHITE_LEVEL | + MAT_CAP_GAMMA | MAT_CAP_NOISE_REDUCTION | MAT_CAP_PAPER_DETECT | + MAT_CAP_DETECT_DOUBLE_FEED | MAT_CAP_MANUAL_FEED}, + + /* Panasonic KV-SS855 */ + { + 0x06, "K.M.E. ", "KV-SS855 ", /* TO FIX */ + {SANE_FIX (0), SANE_FIX (11.5 * MM_PER_INCH), 0}, /* x range 0 to 215.9 mm */ + {SANE_FIX (0), SANE_FIX (17 * MM_PER_INCH), 0}, /* y range 0 to 355.6 mm */ + {1, 255, 1}, /* brightness range */ + {1, 255, 1}, /* contrast range, TO FIX */ + scan_mode_list_3, + resolutions_list_400, resolutions_rounds_400, /* TO FIX */ + image_emphasis_list_5, image_emphasis_val_5, + MAT_CAP_DUPLEX | MAT_CAP_CONTRAST | MAT_CAP_AUTOMATIC_THRESHOLD | + MAT_CAP_WHITE_LEVEL | MAT_CAP_GAMMA | MAT_CAP_NOISE_REDUCTION | + MAT_CAP_PAPER_DETECT | MAT_CAP_DETECT_DOUBLE_FEED | MAT_CAP_MANUAL_FEED}, + + /* Panasonic KV-S2065L */ + { + 0x06, "K.M.E. ", "KV-S2065L ", + {SANE_FIX (0), SANE_FIX (8.5 * MM_PER_INCH), 0}, /* x range 0 to 215.9 mm */ + {SANE_FIX (0), SANE_FIX (17 * MM_PER_INCH), 0}, /* y range 0 to 431.8 mm */ + {1, 255, 1}, /* brightness range */ + {1, 255, 1}, /* contrast range */ + scan_mode_list_3, + resolutions_list_300, resolutions_rounds_300, + image_emphasis_list_5, image_emphasis_val_5, + MAT_CAP_DUPLEX | MAT_CAP_CONTRAST | + MAT_CAP_AUTOMATIC_THRESHOLD | MAT_CAP_WHITE_LEVEL | MAT_CAP_GAMMA | + MAT_CAP_NOISE_REDUCTION}, + + /* Panasonic KV-S2025C */ + { + 0x06, "K.M.E. ", "KV-S2025C ", + {SANE_FIX (0), SANE_FIX (8.5 * MM_PER_INCH), 0}, /* x range 0 to 215.9 mm */ + {SANE_FIX (0), SANE_FIX (17 * MM_PER_INCH), 0}, /* y range 0 to 431.8 mm */ + {1, 255, 1}, /* brightness range */ + {1, 255, 1}, /* contrast range */ + scan_mode_list_3, + resolutions_list_300, resolutions_rounds_300, + image_emphasis_list_5, image_emphasis_val_5, + MAT_CAP_DUPLEX | MAT_CAP_CONTRAST | + MAT_CAP_AUTOMATIC_THRESHOLD | MAT_CAP_WHITE_LEVEL | MAT_CAP_GAMMA | + MAT_CAP_NOISE_REDUCTION}, + + /* Panasonic KV-S2045C */ + { + 0x06, "K.M.E. ", "KV-S2045C ", + {SANE_FIX (0), SANE_FIX (8.5 * MM_PER_INCH), 0}, /* x range 0 to 215.9 mm */ + {SANE_FIX (0), SANE_FIX (17 * MM_PER_INCH), 0}, /* y range 0 to 431.8 mm */ + {1, 255, 1}, /* brightness range */ + {1, 255, 1}, /* contrast range */ + scan_mode_list_3, + resolutions_list_300, resolutions_rounds_300, + image_emphasis_list_5, image_emphasis_val_5, + MAT_CAP_DUPLEX | MAT_CAP_CONTRAST | + MAT_CAP_AUTOMATIC_THRESHOLD | MAT_CAP_WHITE_LEVEL | MAT_CAP_GAMMA | + MAT_CAP_NOISE_REDUCTION} +}; + + +/*--------------------------------------------------------------------------*/ + +/* List of scanner attached. */ +static Matsushita_Scanner *first_dev = NULL; +static int num_devices = 0; +static const SANE_Device **devlist = NULL; + + +/* Local functions. */ + +/* Display a buffer in the log. */ +static void +hexdump (int level, const char *comment, unsigned char *p, int l) +{ + int i; + char line[128]; + char *ptr; + + DBG (level, "%s\n", comment); + ptr = line; + for (i = 0; i < l; i++, p++) + { + if ((i % 16) == 0) + { + if (ptr != line) + { + *ptr = '\0'; + DBG (level, "%s\n", line); + ptr = line; + } + sprintf (ptr, "%3.3d:", i); + ptr += 4; + } + sprintf (ptr, " %2.2x", *p); + ptr += 3; + } + *ptr = '\0'; + DBG (level, "%s\n", line); +} + +/* Returns the length of the longest string, including the terminating + * character. */ +static size_t +max_string_size (SANE_String_Const strings[]) +{ + size_t size, max_size = 0; + int i; + + for (i = 0; strings[i]; ++i) + { + size = strlen (strings[i]) + 1; + if (size > max_size) + { + max_size = size; + } + } + + return max_size; +} + +/* After the windows has been set, issue that command to get the + * document size. */ +static SANE_Status +matsushita_read_document_size (Matsushita_Scanner * dev) +{ + CDB cdb; + SANE_Status status; + size_t size; + + DBG (DBG_proc, "matsushita_read_document_size: enter\n"); + + size = 0x10; + MKSCSI_READ_10 (cdb, 0x80, 0, size); + + status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len, + NULL, 0, dev->buffer, &size); + + if (status != SANE_STATUS_GOOD || size != 0x10) + { + DBG (DBG_error, + "matsushita_read_document_size: cannot read document size\n"); + return (SANE_STATUS_IO_ERROR); + } + + hexdump (DBG_info2, "document size", dev->buffer, 16); + + /* Check that X and Y are the same values the backend computed. */ + + assert (dev->params.lines == B32TOI (&dev->buffer[4])); + assert (dev->params.pixels_per_line == B32TOI (&dev->buffer[0])); + + DBG (DBG_proc, "matsushita_read_document_size: exit, %ld bytes read\n", + (long)size); + + return (SANE_STATUS_GOOD); +} + +/* Initialize a scanner entry. Return an allocated scanner with some + * preset values. */ +static Matsushita_Scanner * +matsushita_init (void) +{ + Matsushita_Scanner *dev; + + DBG (DBG_proc, "matsushita_init: enter\n"); + + /* Allocate a new scanner entry. */ + dev = malloc (sizeof (Matsushita_Scanner)); + if (dev == NULL) + { + return NULL; + } + + memset (dev, 0, sizeof (Matsushita_Scanner)); + + /* Allocate the buffer used to transfer the SCSI data. */ + dev->buffer_size = 64 * 1024; + dev->buffer = malloc (dev->buffer_size); + if (dev->buffer == NULL) + { + free (dev); + return NULL; + } + + /* Allocate a buffer to store the temporary image. */ + dev->image_size = 64 * 1024; /* enough for 1 line at max res */ + dev->image = malloc (dev->image_size); + if (dev->image == NULL) + { + free (dev->buffer); + free (dev); + return NULL; + } + + dev->sfd = -1; + + DBG (DBG_proc, "matsushita_init: exit\n"); + + return (dev); +} + +/* Closes an open scanner. */ +static void +matsushita_close (Matsushita_Scanner * dev) +{ + DBG (DBG_proc, "matsushita_close: enter\n"); + + if (dev->sfd != -1) + { + sanei_scsi_close (dev->sfd); + dev->sfd = -1; + } + + DBG (DBG_proc, "matsushita_close: exit\n"); +} + +/* Frees the memory used by a scanner. */ +static void +matsushita_free (Matsushita_Scanner * dev) +{ + int i; + + DBG (DBG_proc, "matsushita_free: enter\n"); + + if (dev == NULL) + return; + + matsushita_close (dev); + if (dev->devicename) + { + free (dev->devicename); + } + if (dev->buffer) + { + free (dev->buffer); + } + if (dev->image) + { + free (dev->image); + } + for (i = 1; i < OPT_NUM_OPTIONS; i++) + { + if (dev->opt[i].type == SANE_TYPE_STRING && dev->val[i].s) + { + free (dev->val[i].s); + } + } + free (dev->paper_sizes_list); + free (dev->paper_sizes_val); + + free (dev); + + DBG (DBG_proc, "matsushita_free: exit\n"); +} + +/* Inquiry a device and returns TRUE if is supported. */ +static int +matsushita_identify_scanner (Matsushita_Scanner * dev) +{ + CDB cdb; + SANE_Status status; + size_t size; + int i; + + DBG (DBG_proc, "matsushita_identify_scanner: enter\n"); + + size = 5; + MKSCSI_INQUIRY (cdb, size); + status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len, + NULL, 0, dev->buffer, &size); + + if (status) + { + DBG (DBG_error, + "matsushita_identify_scanner: inquiry failed with status %s\n", + sane_strstatus (status)); + return (SANE_FALSE); + } + + size = dev->buffer[4] + 5; /* total length of the inquiry data */ + + if (size < 36) + { + DBG (DBG_error, + "matsushita_identify_scanner: not enough data to identify device\n"); + return (SANE_FALSE); + } + + MKSCSI_INQUIRY (cdb, size); + status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len, + NULL, 0, dev->buffer, &size); + + if (status) + { + DBG (DBG_error, + "matsushita_identify_scanner: inquiry failed with status %s\n", + sane_strstatus (status)); + return (SANE_FALSE); + } + + hexdump (DBG_info2, "inquiry", dev->buffer, size); + + dev->scsi_type = dev->buffer[0] & 0x1f; + memcpy (dev->scsi_vendor, dev->buffer + 0x08, 0x08); + dev->scsi_vendor[0x08] = 0; + memcpy (dev->scsi_product, dev->buffer + 0x10, 0x010); + dev->scsi_product[0x10] = 0; + memcpy (dev->scsi_version, dev->buffer + 0x20, 0x04); + dev->scsi_version[0x04] = 0; + + DBG (DBG_info, "device is \"%s\" \"%s\" \"%s\"\n", + dev->scsi_vendor, dev->scsi_product, dev->scsi_version); + + /* Lookup through the supported scanners table to find if this + * backend supports that one. */ + for (i = 0; i < NELEMS (scanners); i++) + { + if (dev->scsi_type == scanners[i].scsi_type && + strcmp (dev->scsi_vendor, scanners[i].scsi_vendor) == 0 && + strcmp (dev->scsi_product, scanners[i].scsi_product) == 0) + { + + DBG (DBG_error, "matsushita_identify_scanner: scanner supported\n"); + + dev->scnum = i; + + return (SANE_TRUE); + } + } + + DBG (DBG_proc, "matsushita_identify_scanner: exit, device not supported\n"); + + return (SANE_FALSE); +} + +/* The interface can show different paper sizes. Show only the sizes + * available for that scanner. */ +static int +matsushita_build_paper_sizes (Matsushita_Scanner * dev) +{ + SANE_String_Const *psl; /* string list */ + int *psv; /* value list */ + int num; + int i; + + DBG (DBG_proc, "matsushita_build_paper_sizes: enter\n"); + + psl = malloc ((sizeof (SANE_String_Const) + 1) * NELEMS (paper_sizes)); + if (psl == NULL) + { + DBG (DBG_error, "ERROR: not enough memory\n"); + return SANE_STATUS_NO_MEM; + } + + psv = malloc ((sizeof (int) + 1) * NELEMS (paper_sizes)); + if (psv == NULL) + { + DBG (DBG_error, "ERROR: not enough memory\n"); + free (psl); + return SANE_STATUS_NO_MEM; + } + + for (i = 0, num = 0; i < NELEMS (paper_sizes); i++) + { + if (SANE_UNFIX (scanners[dev->scnum].x_range.max) >= + paper_sizes[i].width + && SANE_UNFIX (scanners[dev->scnum].y_range.max) >= + paper_sizes[i].length) + { + + /* This paper size fits into the scanner. */ + psl[num] = paper_sizes[i].name; + psv[num] = i; + num++; + } + } + psl[num] = NULL; /* terminate the list */ + + dev->paper_sizes_list = psl; + dev->paper_sizes_val = psv; + + DBG (DBG_proc, "matsushita_build_paper_sizes: exit (%d)\n", num); + + return SANE_STATUS_GOOD; +} + +/* Lookup a string list from one array and return its index. */ +static int +get_string_list_index (SANE_String_Const list[], SANE_String_Const name) +{ + int index; + + index = 0; + while (list[index] != NULL) + { + if (strcmp (list[index], name) == 0) + { + return (index); + } + index++; + } + + DBG (DBG_error, "name %s not found in list\n", name); + + assert (0 == 1); /* bug in backend, core dump */ + + return (-1); +} + +/* Lookup an int list from one array and return its index. */ +static int +get_int_list_index (const SANE_Word list[], const SANE_Word value) +{ + int index; + int size; /* number of elements */ + + index = 1; + size = list[0]; + while (index <= size) + { + if (list[index] == value) + { + return (index); + } + index++; + } + + DBG (DBG_error, "word %d not found in list\n", value); + + assert (0 == 1); /* bug in backend, core dump */ + + return (-1); +} + +/* SCSI sense handler. Callback for SANE. */ +static SANE_Status +matsushita_sense_handler (int scsi_fd, unsigned char *result, void __sane_unused__ *arg) +{ + int asc, ascq, sensekey; + int len; + + DBG (DBG_proc, "matsushita_sense_handler (scsi_fd = %d)\n", scsi_fd); + + sensekey = get_RS_sense_key (result); + len = 7 + get_RS_additional_length (result); + + hexdump (DBG_info2, "sense", result, len); + + if (get_RS_error_code (result) != 0x70) + { + DBG (DBG_error, + "matsushita_sense_handler: invalid sense key error code (%d)\n", + get_RS_error_code (result)); + + return SANE_STATUS_IO_ERROR; + } + + if (get_RS_ILI (result) != 0) + { + DBG (DBG_sense, "matsushita_sense_handler: short read\n"); + } + + if (len < 14) + { + DBG (DBG_error, + "matsushita_sense_handler: sense too short, no ASC/ASCQ\n"); + + return SANE_STATUS_IO_ERROR; + } + + asc = get_RS_ASC (result); + ascq = get_RS_ASCQ (result); + + DBG (DBG_sense, "matsushita_sense_handler: sense=%d, ASC/ASCQ=%02x%02x\n", + sensekey, asc, ascq); + + switch (sensekey) + { + case 0x00: /* no sense */ + if (get_RS_EOM (result) && asc == 0x00 && ascq == 0x00) + { + DBG (DBG_sense, "matsushita_sense_handler: EOF\n"); + return SANE_STATUS_EOF; + } + + return SANE_STATUS_GOOD; + break; + + case 0x02: /* not ready */ + if (asc == 0x04 && ascq == 0x81) + { + /* Jam door open. */ + return SANE_STATUS_COVER_OPEN; + } + break; + + case 0x03: /* medium error */ + if (asc == 0x3a) + { + /* No paper in the feeder. */ + return SANE_STATUS_NO_DOCS; + } + if (asc == 0x80) + { + /* Probably a paper jam. ascq might give more info. */ + return SANE_STATUS_JAMMED; + } + break; + + case 0x05: + if (asc == 0x20 || asc == 0x24 || asc == 0x26) + { + /* Invalid command, invalid field in CDB or invalid field in data. + * The backend has prepared some wrong combination of options. + * Shot the backend maintainer. */ + return SANE_STATUS_IO_ERROR; + } + else if (asc == 0x2c && ascq == 0x80) + { + /* The scanner does have enough memory to scan the whole + * area. For instance the KV-SS25 has only 4MB of memory, + * which is not enough to scan a A4 page at 300dpi in gray + * 8 bits. */ + return SANE_STATUS_NO_MEM; + } + break; + + case 0x06: + if (asc == 0x29) + { + /* Reset occured. May be the backend should retry the + * command. */ + return SANE_STATUS_GOOD; + } + break; + } + + DBG (DBG_sense, + "matsushita_sense_handler: unknown error condition. Please report it to the backend maintainer\n"); + + return SANE_STATUS_IO_ERROR; +} + +/* Check that a new page is available by issuing an empty read. The + * sense handler might return SANE_STATUS_NO_DOCS which indicates that + * the feeder is now empty. */ +static SANE_Status +matsushita_check_next_page (Matsushita_Scanner * dev) +{ + CDB cdb; + SANE_Status status; + + DBG (DBG_proc, "matsushita_check_next_page: enter\n"); + + MKSCSI_READ_10 (cdb, 0, 0, 0); + cdb.data[4] = dev->page_num; /* May be cdb.data[3] too? */ + cdb.data[5] = dev->page_side; + + status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len, NULL, 0, NULL, NULL); + + DBG (DBG_proc, "matsushita_check_next_page: exit with status %d\n", status); + + return (status); +} + +/* Attach a scanner to this backend. */ +static SANE_Status +attach_scanner (const char *devicename, Matsushita_Scanner ** devp) +{ + Matsushita_Scanner *dev; + int sfd; + + DBG (DBG_sane_proc, "attach_scanner: %s\n", devicename); + + if (devp) + *devp = NULL; + + /* Check if we know this device name. */ + for (dev = first_dev; dev; dev = dev->next) + { + if (strcmp (dev->sane.name, devicename) == 0) + { + if (devp) + { + *devp = dev; + } + DBG (DBG_info, "device is already known\n"); + return SANE_STATUS_GOOD; + } + } + + /* Allocate a new scanner entry. */ + dev = matsushita_init (); + if (dev == NULL) + { + DBG (DBG_error, "ERROR: not enough memory\n"); + return SANE_STATUS_NO_MEM; + } + + DBG (DBG_info, "attach_scanner: opening %s\n", devicename); + + if (sanei_scsi_open (devicename, &sfd, matsushita_sense_handler, dev) != 0) + { + DBG (DBG_error, "ERROR: attach_scanner: open failed\n"); + matsushita_free (dev); + return SANE_STATUS_INVAL; + } + + /* Fill some scanner specific values. */ + dev->devicename = strdup (devicename); + dev->sfd = sfd; + + /* Now, check that it is a scanner we support. */ + if (matsushita_identify_scanner (dev) == SANE_FALSE) + { + DBG (DBG_error, + "ERROR: attach_scanner: scanner-identification failed\n"); + matsushita_free (dev); + return SANE_STATUS_INVAL; + } + + matsushita_close (dev); + + /* Set the default options for that scanner. */ + dev->sane.name = dev->devicename; + dev->sane.vendor = "Panasonic"; + dev->sane.model = dev->scsi_product; + dev->sane.type = SANE_I18N ("sheetfed scanner"); + + /* Link the scanner with the others. */ + dev->next = first_dev; + first_dev = dev; + + if (devp) + { + *devp = dev; + } + + num_devices++; + + DBG (DBG_proc, "attach_scanner: exit\n"); + + return SANE_STATUS_GOOD; +} + +static SANE_Status +attach_one (const char *dev) +{ + attach_scanner (dev, NULL); + return SANE_STATUS_GOOD; +} + +/* Reset the options for that scanner. */ +static void +matsushita_init_options (Matsushita_Scanner * dev) +{ + int i; + + /* Pre-initialize the options. */ + memset (dev->opt, 0, sizeof (dev->opt)); + memset (dev->val, 0, sizeof (dev->val)); + + for (i = 0; i < OPT_NUM_OPTIONS; ++i) + { + dev->opt[i].size = sizeof (SANE_Word); + dev->opt[i].cap = SANE_CAP_SOFT_SELECT | SANE_CAP_SOFT_DETECT; + } + + /* Number of options. */ + dev->opt[OPT_NUM_OPTS].name = ""; + dev->opt[OPT_NUM_OPTS].title = SANE_TITLE_NUM_OPTIONS; + dev->opt[OPT_NUM_OPTS].desc = SANE_DESC_NUM_OPTIONS; + dev->opt[OPT_NUM_OPTS].type = SANE_TYPE_INT; + dev->opt[OPT_NUM_OPTS].cap = SANE_CAP_SOFT_DETECT; + dev->val[OPT_NUM_OPTS].w = OPT_NUM_OPTIONS; + + /* Mode group */ + dev->opt[OPT_MODE_GROUP].title = SANE_I18N ("Scan Mode"); + dev->opt[OPT_MODE_GROUP].desc = ""; /* not valid for a group */ + dev->opt[OPT_MODE_GROUP].type = SANE_TYPE_GROUP; + dev->opt[OPT_MODE_GROUP].cap = 0; + dev->opt[OPT_MODE_GROUP].size = 0; + dev->opt[OPT_MODE_GROUP].constraint_type = SANE_CONSTRAINT_NONE; + + /* Scanner supported modes */ + dev->opt[OPT_MODE].name = SANE_NAME_SCAN_MODE; + dev->opt[OPT_MODE].title = SANE_TITLE_SCAN_MODE; + dev->opt[OPT_MODE].desc = SANE_DESC_SCAN_MODE; + dev->opt[OPT_MODE].type = SANE_TYPE_STRING; + dev->opt[OPT_MODE].size = + max_string_size (scanners[dev->scnum].scan_mode_list); + dev->opt[OPT_MODE].constraint_type = SANE_CONSTRAINT_STRING_LIST; + dev->opt[OPT_MODE].constraint.string_list = + scanners[dev->scnum].scan_mode_list; + dev->val[OPT_MODE].s = (SANE_Char *) strdup (""); /* will be set later */ + + /* X and Y resolution */ + dev->opt[OPT_RESOLUTION].name = SANE_NAME_SCAN_RESOLUTION; + dev->opt[OPT_RESOLUTION].title = SANE_TITLE_SCAN_RESOLUTION; + dev->opt[OPT_RESOLUTION].desc = SANE_DESC_SCAN_RESOLUTION; + dev->opt[OPT_RESOLUTION].type = SANE_TYPE_INT; + dev->opt[OPT_RESOLUTION].unit = SANE_UNIT_DPI; + dev->opt[OPT_RESOLUTION].constraint_type = SANE_CONSTRAINT_WORD_LIST; + dev->opt[OPT_RESOLUTION].constraint.word_list = + scanners[dev->scnum].resolutions_list; + dev->val[OPT_RESOLUTION].w = resolutions_list_300[1]; + + /* Duplex */ + dev->opt[OPT_DUPLEX].name = SANE_NAME_DUPLEX; + dev->opt[OPT_DUPLEX].title = SANE_TITLE_DUPLEX; + dev->opt[OPT_DUPLEX].desc = SANE_DESC_DUPLEX; + dev->opt[OPT_DUPLEX].type = SANE_TYPE_BOOL; + dev->opt[OPT_DUPLEX].unit = SANE_UNIT_NONE; + dev->val[OPT_DUPLEX].w = SANE_FALSE; + if ((scanners[dev->scnum].cap & MAT_CAP_DUPLEX) == 0) + dev->opt[OPT_DUPLEX].cap |= SANE_CAP_INACTIVE; + + /* Feeder mode */ + dev->opt[OPT_FEEDER_MODE].name = "feeder-mode"; + dev->opt[OPT_FEEDER_MODE].title = SANE_I18N ("Feeder mode"); + dev->opt[OPT_FEEDER_MODE].desc = SANE_I18N ("Sets the feeding mode"); + dev->opt[OPT_FEEDER_MODE].type = SANE_TYPE_STRING; + dev->opt[OPT_FEEDER_MODE].size = max_string_size (feeder_mode_list); + dev->opt[OPT_FEEDER_MODE].constraint_type = SANE_CONSTRAINT_STRING_LIST; + dev->opt[OPT_FEEDER_MODE].constraint.string_list = feeder_mode_list; + dev->val[OPT_FEEDER_MODE].s = strdup (feeder_mode_list[0]); + + /* Geometry group */ + dev->opt[OPT_GEOMETRY_GROUP].title = SANE_I18N ("Geometry"); + dev->opt[OPT_GEOMETRY_GROUP].desc = ""; /* not valid for a group */ + dev->opt[OPT_GEOMETRY_GROUP].type = SANE_TYPE_GROUP; + dev->opt[OPT_GEOMETRY_GROUP].cap = 0; + dev->opt[OPT_GEOMETRY_GROUP].size = 0; + dev->opt[OPT_GEOMETRY_GROUP].constraint_type = SANE_CONSTRAINT_NONE; + + /* Paper sizes list. */ + dev->opt[OPT_PAPER_SIZE].name = SANE_NAME_PAPER_SIZE; + dev->opt[OPT_PAPER_SIZE].title = SANE_TITLE_PAPER_SIZE; + dev->opt[OPT_PAPER_SIZE].desc = SANE_DESC_PAPER_SIZE; + dev->opt[OPT_PAPER_SIZE].type = SANE_TYPE_STRING; + dev->opt[OPT_PAPER_SIZE].size = max_string_size (dev->paper_sizes_list); + dev->opt[OPT_PAPER_SIZE].constraint_type = SANE_CONSTRAINT_STRING_LIST; + dev->opt[OPT_PAPER_SIZE].constraint.string_list = dev->paper_sizes_list; + dev->val[OPT_PAPER_SIZE].s = strdup (""); /* will do it later */ + + /* Upper left X */ + dev->opt[OPT_TL_X].name = SANE_NAME_SCAN_TL_X; + dev->opt[OPT_TL_X].title = SANE_TITLE_SCAN_TL_X; + dev->opt[OPT_TL_X].desc = SANE_DESC_SCAN_TL_X; + dev->opt[OPT_TL_X].type = SANE_TYPE_FIXED; + dev->opt[OPT_TL_X].unit = SANE_UNIT_MM; + dev->opt[OPT_TL_X].constraint_type = SANE_CONSTRAINT_RANGE; + dev->opt[OPT_TL_X].constraint.range = &(scanners[dev->scnum].x_range); + + /* Upper left Y */ + dev->opt[OPT_TL_Y].name = SANE_NAME_SCAN_TL_Y; + dev->opt[OPT_TL_Y].title = SANE_TITLE_SCAN_TL_Y; + dev->opt[OPT_TL_Y].desc = SANE_DESC_SCAN_TL_Y; + dev->opt[OPT_TL_Y].type = SANE_TYPE_FIXED; + dev->opt[OPT_TL_Y].unit = SANE_UNIT_MM; + dev->opt[OPT_TL_Y].constraint_type = SANE_CONSTRAINT_RANGE; + dev->opt[OPT_TL_Y].constraint.range = &(scanners[dev->scnum].y_range); + + /* Bottom-right x */ + dev->opt[OPT_BR_X].name = SANE_NAME_SCAN_BR_X; + dev->opt[OPT_BR_X].title = SANE_TITLE_SCAN_BR_X; + dev->opt[OPT_BR_X].desc = SANE_DESC_SCAN_BR_X; + dev->opt[OPT_BR_X].type = SANE_TYPE_FIXED; + dev->opt[OPT_BR_X].unit = SANE_UNIT_MM; + dev->opt[OPT_BR_X].constraint_type = SANE_CONSTRAINT_RANGE; + dev->opt[OPT_BR_X].constraint.range = &(scanners[dev->scnum].x_range); + + /* Bottom-right y */ + dev->opt[OPT_BR_Y].name = SANE_NAME_SCAN_BR_Y; + dev->opt[OPT_BR_Y].title = SANE_TITLE_SCAN_BR_Y; + dev->opt[OPT_BR_Y].desc = SANE_DESC_SCAN_BR_Y; + dev->opt[OPT_BR_Y].type = SANE_TYPE_FIXED; + dev->opt[OPT_BR_Y].unit = SANE_UNIT_MM; + dev->opt[OPT_BR_Y].constraint_type = SANE_CONSTRAINT_RANGE; + dev->opt[OPT_BR_Y].constraint.range = &(scanners[dev->scnum].y_range); + + /* Enhancement group */ + dev->opt[OPT_ENHANCEMENT_GROUP].title = SANE_I18N ("Enhancement"); + dev->opt[OPT_ENHANCEMENT_GROUP].desc = ""; /* not valid for a group */ + dev->opt[OPT_ENHANCEMENT_GROUP].type = SANE_TYPE_GROUP; + dev->opt[OPT_ENHANCEMENT_GROUP].cap = SANE_CAP_ADVANCED; + dev->opt[OPT_ENHANCEMENT_GROUP].size = 0; + dev->opt[OPT_ENHANCEMENT_GROUP].constraint_type = SANE_CONSTRAINT_NONE; + + /* Brightness */ + dev->opt[OPT_BRIGHTNESS].name = SANE_NAME_BRIGHTNESS; + dev->opt[OPT_BRIGHTNESS].title = SANE_TITLE_BRIGHTNESS; + dev->opt[OPT_BRIGHTNESS].desc = SANE_DESC_BRIGHTNESS; + dev->opt[OPT_BRIGHTNESS].type = SANE_TYPE_INT; + dev->opt[OPT_BRIGHTNESS].unit = SANE_UNIT_NONE; + dev->opt[OPT_BRIGHTNESS].size = sizeof (SANE_Int); + dev->opt[OPT_BRIGHTNESS].constraint_type = SANE_CONSTRAINT_RANGE; + dev->opt[OPT_BRIGHTNESS].constraint.range = + &(scanners[dev->scnum].brightness_range); + dev->val[OPT_BRIGHTNESS].w = 128; + + /* Contrast */ + dev->opt[OPT_CONTRAST].name = SANE_NAME_CONTRAST; + dev->opt[OPT_CONTRAST].title = SANE_TITLE_CONTRAST; + dev->opt[OPT_CONTRAST].desc = SANE_DESC_CONTRAST; + dev->opt[OPT_CONTRAST].type = SANE_TYPE_INT; + dev->opt[OPT_CONTRAST].unit = SANE_UNIT_NONE; + dev->opt[OPT_CONTRAST].size = sizeof (SANE_Int); + dev->opt[OPT_CONTRAST].constraint_type = SANE_CONSTRAINT_RANGE; + dev->opt[OPT_CONTRAST].constraint.range = + &(scanners[dev->scnum].contrast_range); + dev->val[OPT_CONTRAST].w = 128; + if ((scanners[dev->scnum].cap & MAT_CAP_CONTRAST) == 0) + dev->opt[OPT_CONTRAST].cap |= SANE_CAP_INACTIVE; + + /* Automatic threshold */ + dev->opt[OPT_AUTOMATIC_THRESHOLD].name = "automatic-threshold"; + dev->opt[OPT_AUTOMATIC_THRESHOLD].title = SANE_I18N ("Automatic threshold"); + dev->opt[OPT_AUTOMATIC_THRESHOLD].desc = + SANE_I18N + ("Automatically sets brightness, contrast, white level, gamma, noise reduction and image emphasis"); + dev->opt[OPT_AUTOMATIC_THRESHOLD].type = SANE_TYPE_STRING; + dev->opt[OPT_AUTOMATIC_THRESHOLD].size = + max_string_size (automatic_threshold_list); + dev->opt[OPT_AUTOMATIC_THRESHOLD].constraint_type = + SANE_CONSTRAINT_STRING_LIST; + dev->opt[OPT_AUTOMATIC_THRESHOLD].constraint.string_list = + automatic_threshold_list; + dev->val[OPT_AUTOMATIC_THRESHOLD].s = strdup (automatic_threshold_list[0]); + if ((scanners[dev->scnum].cap & MAT_CAP_AUTOMATIC_THRESHOLD) == 0) + dev->opt[OPT_AUTOMATIC_THRESHOLD].cap |= SANE_CAP_INACTIVE; + + /* Halftone pattern */ + dev->opt[OPT_HALFTONE_PATTERN].name = SANE_NAME_HALFTONE_PATTERN; + dev->opt[OPT_HALFTONE_PATTERN].title = SANE_TITLE_HALFTONE_PATTERN; + dev->opt[OPT_HALFTONE_PATTERN].desc = SANE_DESC_HALFTONE_PATTERN; + dev->opt[OPT_HALFTONE_PATTERN].type = SANE_TYPE_STRING; + dev->opt[OPT_HALFTONE_PATTERN].size = + max_string_size (halftone_pattern_list); + dev->opt[OPT_HALFTONE_PATTERN].cap |= SANE_CAP_INACTIVE; + dev->opt[OPT_HALFTONE_PATTERN].constraint_type = + SANE_CONSTRAINT_STRING_LIST; + dev->opt[OPT_HALFTONE_PATTERN].constraint.string_list = + halftone_pattern_list; + dev->val[OPT_HALFTONE_PATTERN].s = strdup (halftone_pattern_list[0]); + + /* Automatic separation */ + dev->opt[OPT_AUTOMATIC_SEPARATION].name = SANE_NAME_AUTOSEP; + dev->opt[OPT_AUTOMATIC_SEPARATION].title = SANE_TITLE_AUTOSEP; + dev->opt[OPT_AUTOMATIC_SEPARATION].desc = SANE_DESC_AUTOSEP; + dev->opt[OPT_AUTOMATIC_SEPARATION].type = SANE_TYPE_BOOL; + dev->opt[OPT_AUTOMATIC_SEPARATION].unit = SANE_UNIT_NONE; + dev->val[OPT_AUTOMATIC_SEPARATION].w = SANE_FALSE; + + /* White level base */ + dev->opt[OPT_WHITE_LEVEL].name = SANE_NAME_WHITE_LEVEL; + dev->opt[OPT_WHITE_LEVEL].title = SANE_TITLE_WHITE_LEVEL; + dev->opt[OPT_WHITE_LEVEL].desc = SANE_DESC_WHITE_LEVEL; + dev->opt[OPT_WHITE_LEVEL].type = SANE_TYPE_STRING; + dev->opt[OPT_WHITE_LEVEL].size = max_string_size (white_level_list); + dev->opt[OPT_WHITE_LEVEL].constraint_type = SANE_CONSTRAINT_STRING_LIST; + dev->opt[OPT_WHITE_LEVEL].constraint.string_list = white_level_list; + dev->val[OPT_WHITE_LEVEL].s = strdup (white_level_list[0]); + if ((scanners[dev->scnum].cap & MAT_CAP_WHITE_LEVEL) == 0) + dev->opt[OPT_WHITE_LEVEL].cap |= SANE_CAP_INACTIVE; + + /* Noise reduction */ + dev->opt[OPT_NOISE_REDUCTION].name = "noise-reduction"; + dev->opt[OPT_NOISE_REDUCTION].title = SANE_I18N ("Noise reduction"); + dev->opt[OPT_NOISE_REDUCTION].desc = + SANE_I18N ("Reduce the isolated dot noise"); + dev->opt[OPT_NOISE_REDUCTION].type = SANE_TYPE_STRING; + dev->opt[OPT_NOISE_REDUCTION].size = max_string_size (noise_reduction_list); + dev->opt[OPT_NOISE_REDUCTION].constraint_type = SANE_CONSTRAINT_STRING_LIST; + dev->opt[OPT_NOISE_REDUCTION].constraint.string_list = noise_reduction_list; + dev->val[OPT_NOISE_REDUCTION].s = strdup (noise_reduction_list[0]); + if ((scanners[dev->scnum].cap & MAT_CAP_NOISE_REDUCTION) == 0) + dev->opt[OPT_NOISE_REDUCTION].cap |= SANE_CAP_INACTIVE; + + /* Image emphasis */ + dev->opt[OPT_IMAGE_EMPHASIS].name = "image-emphasis"; + dev->opt[OPT_IMAGE_EMPHASIS].title = SANE_I18N ("Image emphasis"); + dev->opt[OPT_IMAGE_EMPHASIS].desc = SANE_I18N ("Sets the image emphasis"); + dev->opt[OPT_IMAGE_EMPHASIS].type = SANE_TYPE_STRING; + dev->opt[OPT_IMAGE_EMPHASIS].size = + max_string_size (scanners[dev->scnum].image_emphasis_list); + dev->opt[OPT_IMAGE_EMPHASIS].constraint_type = SANE_CONSTRAINT_STRING_LIST; + dev->opt[OPT_IMAGE_EMPHASIS].constraint.string_list = + scanners[dev->scnum].image_emphasis_list; + dev->val[OPT_IMAGE_EMPHASIS].s = strdup (SANE_I18N ("Medium")); + + /* Gamma */ + dev->opt[OPT_GAMMA].name = "gamma"; + dev->opt[OPT_GAMMA].title = SANE_I18N ("Gamma"); + dev->opt[OPT_GAMMA].desc = SANE_I18N ("Gamma"); + dev->opt[OPT_GAMMA].type = SANE_TYPE_STRING; + dev->opt[OPT_GAMMA].size = max_string_size (gamma_list); + dev->opt[OPT_GAMMA].constraint_type = SANE_CONSTRAINT_STRING_LIST; + dev->opt[OPT_GAMMA].constraint.string_list = gamma_list; + dev->val[OPT_GAMMA].s = strdup (gamma_list[0]); + + /* Lastly, set the default scan mode. This might change some + * values previously set here. */ + sane_control_option (dev, OPT_PAPER_SIZE, SANE_ACTION_SET_VALUE, + (SANE_String_Const *) dev->paper_sizes_list[0], NULL); + sane_control_option (dev, OPT_MODE, SANE_ACTION_SET_VALUE, + (SANE_String_Const *) scanners[dev->scnum]. + scan_mode_list[0], NULL); +} + +/* Wait until the scanner is ready. + * + * The only reason I know the scanner is not ready is because it is + * moving the CCD. + */ +static SANE_Status +matsushita_wait_scanner (Matsushita_Scanner * dev) +{ + SANE_Status status; + int timeout; + CDB cdb; + + DBG (DBG_proc, "matsushita_wait_scanner: enter\n"); + + MKSCSI_TEST_UNIT_READY (cdb); + + /* Set the timeout to 60 seconds. */ + timeout = 60; + + while (timeout > 0) + { + + /* test unit ready */ + status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len, + NULL, 0, NULL, NULL); + + if (status == SANE_STATUS_GOOD) + { + return SANE_STATUS_GOOD; + } + + sleep (1); + }; + + DBG (DBG_proc, "matsushita_wait_scanner: scanner not ready\n"); + return (SANE_STATUS_IO_ERROR); +} + +/* Reset a window. This is used to re-initialize the scanner. */ +static SANE_Status +matsushita_reset_window (Matsushita_Scanner * dev) +{ + CDB cdb; + SANE_Status status; + + DBG (DBG_proc, "matsushita_reset_window: enter\n"); + + MKSCSI_SET_WINDOW (cdb, 0); + + status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len, NULL, 0, NULL, NULL); + + DBG (DBG_proc, "matsushita_reset_window: exit, status=%d\n", status); + + return status; +} + +/* Set a window. */ +static SANE_Status +matsushita_set_window (Matsushita_Scanner * dev, int side) +{ + size_t size; + CDB cdb; + unsigned char window[72]; + SANE_Status status; + int i; + + DBG (DBG_proc, "matsushita_set_window: enter\n"); + + size = sizeof (window); + MKSCSI_SET_WINDOW (cdb, size); + + memset (window, 0, size); + + /* size of the windows descriptor block */ + window[7] = sizeof (window) - 8; + + /* Page side */ + window[8] = side; + + /* X and Y resolution */ + Ito16 (dev->resolution, &window[10]); + Ito16 (dev->resolution, &window[12]); + + /* Upper Left (X,Y) */ + Ito32 (dev->x_tl, &window[14]); + Ito32 (dev->y_tl, &window[18]); + + /* Width and length */ + Ito32 (dev->width, &window[22]); + Ito32 (dev->length, &window[26]); + Ito32 (dev->width, &window[56]); /* again, verso? */ + Ito32 (dev->length, &window[60]); /* again, verso? */ + + /* Brightness */ + window[30] = 255 - dev->val[OPT_BRIGHTNESS].w; + window[31] = window[30]; /* same as brightness. */ + + /* Contrast */ + window[32] = dev->val[OPT_CONTRAST].w; + + /* Image Composition */ + switch (dev->scan_mode) + { + case MATSUSHITA_BW: + window[33] = 0x00; + break; + case MATSUSHITA_HALFTONE: + window[33] = 0x01; + break; + case MATSUSHITA_GRAYSCALE: + window[33] = 0x02; + break; + } + + /* Depth */ + window[34] = dev->depth; + + /* Halftone pattern. */ + if (dev->scan_mode == MATSUSHITA_HALFTONE) + { + i = get_string_list_index (halftone_pattern_list, + dev->val[OPT_HALFTONE_PATTERN].s); + window[36] = halftone_pattern_val[i]; + } + + /* Gamma */ + if (dev->scan_mode == MATSUSHITA_GRAYSCALE) + { + i = get_string_list_index (gamma_list, dev->val[OPT_GAMMA].s); + window[52] = gamma_val[i]; + } + + /* Feeder mode */ + i = get_string_list_index (feeder_mode_list, dev->val[OPT_FEEDER_MODE].s); + window[65] = feeder_mode_val[i]; + + /* Image emphasis */ + i = get_string_list_index (scanners[dev->scnum].image_emphasis_list, + dev->val[OPT_IMAGE_EMPHASIS].s); + window[51] = scanners[dev->scnum].image_emphasis_val[i]; + + /* White level */ + i = get_string_list_index (white_level_list, dev->val[OPT_WHITE_LEVEL].s); + window[68] = white_level_val[i]; + + if (dev->scan_mode == MATSUSHITA_BW || + dev->scan_mode == MATSUSHITA_HALFTONE) + { + + /* Noise reduction */ + i = get_string_list_index (noise_reduction_list, + dev->val[OPT_NOISE_REDUCTION].s); + window[69] = noise_reduction_val[i]; + + /* Automatic separation */ + if (dev->val[OPT_AUTOMATIC_SEPARATION].w) + { + window[67] = 0x80; + } + + /* Automatic threshold. Must be last because it may override + * some previous options. */ + i = get_string_list_index (automatic_threshold_list, + dev->val[OPT_AUTOMATIC_THRESHOLD].s); + window[66] = automatic_threshold_val[i]; + + if (automatic_threshold_val[i] != 0) + { + /* Automatic threshold is enabled. */ + window[30] = 0; /* brightness. */ + window[31] = 0; /* same as brightness. */ + window[32] = 0; /* contrast */ + window[33] = 0; /* B&W mode */ + window[36] = 0; /* Halftone pattern. */ + window[51] = 0; /* Image emphasis */ + window[67] = 0; /* Automatic separation */ + window[68] = 0; /* White level */ + window[69] = 0; /* Noise reduction */ + } + } + + hexdump (DBG_info2, "windows", window, 72); + + status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len, + window, sizeof (window), NULL, NULL); + + DBG (DBG_proc, "matsushita_set_window: exit, status=%d\n", status); + + return status; +} + +/* Read the image from the scanner and fill the temporary buffer with it. */ +static SANE_Status +matsushita_fill_image (Matsushita_Scanner * dev) +{ + SANE_Status status; + size_t size; + CDB cdb; + + DBG (DBG_proc, "matsushita_fill_image: enter\n"); + + assert (dev->image_begin == dev->image_end); + assert (dev->real_bytes_left > 0); + + dev->image_begin = 0; + dev->image_end = 0; + + while (dev->real_bytes_left) + { + + /* + * Try to read the maximum number of bytes. + * + * The windows driver reads no more than 0x8000 byte. + * + * This backend operates differently than the windows + * driver. The windows TWAIN driver always read 2 more bytes + * at the end, so it gets a CHECK CONDITION with a short read + * sense. Since the linux scsi layer seem to be buggy + * regarding the resid, always read exactly the number of + * remaining bytes. + */ + + size = dev->real_bytes_left; + if (size > dev->image_size - dev->image_end) + size = dev->image_size - dev->image_end; + if (size > 0x8000) + size = 0x8000; + + if (size == 0) + { + /* Probably reached the end of the buffer. + * Check, just in case. */ + assert (dev->image_end != 0); + return (SANE_STATUS_GOOD); + } + + DBG (DBG_info, "sane_read: to read = %ld bytes (bpl=%d)\n", + (long) size, dev->params.bytes_per_line); + + MKSCSI_READ_10 (cdb, 0, 0, size); + cdb.data[4] = dev->page_num; /* May be cdb.data[3] too? */ + cdb.data[5] = dev->page_side; + + hexdump (DBG_info2, "sane_read: READ_10 CDB", cdb.data, 10); + + status = sanei_scsi_cmd2 (dev->sfd, cdb.data, cdb.len, + NULL, 0, dev->buffer, &size); + + if (status == SANE_STATUS_EOF) + { + DBG (DBG_proc, "sane_read: exit, end of page scan\n"); + return (SANE_STATUS_EOF); + } + + if (status != SANE_STATUS_GOOD) + { + DBG (DBG_error, "sane_read: cannot read from the scanner\n"); + return status; + } + + dev->real_bytes_left -= size; + + switch (dev->depth) + { + case 1: + { + /* For Black & White, the bits in every bytes are mirrored. + * for instance 11010001 is coded as 10001011 */ + + unsigned char *src = dev->buffer; + unsigned char *dest = dev->image + dev->image_end; + unsigned char s; + unsigned char d; + + size_t i; + + for (i = 0; i < size; i++) + { + s = *src; + d = 0; + if (s & 0x01) + d |= 0x80; + if (s & 0x02) + d |= 0x40; + if (s & 0x04) + d |= 0x20; + if (s & 0x08) + d |= 0x10; + if (s & 0x10) + d |= 0x08; + if (s & 0x20) + d |= 0x04; + if (s & 0x40) + d |= 0x02; + if (s & 0x80) + d |= 0x01; + *dest = d; + src++; + dest++; + } + } + break; + + case 4: + { + /* Adjust from a depth of 4 bits ([0..15]) to + * a depth of 8 bits ([0..255]) */ + + unsigned char *src = dev->buffer; + unsigned char *dest = dev->image + dev->image_end; + size_t i; + + /* n bytes from image --> 2*n bytes in buf. */ + + for (i = 0; i < size; i++) + { + *dest = ((*src & 0x0f) >> 0) * 17; + dest++; + *dest = ((*src & 0xf0) >> 4) * 17; + dest++; + src++; + } + + size *= 2; + } + break; + + default: + memcpy (dev->image + dev->image_end, dev->buffer, size); + break; + } + + dev->image_end += size; + + } + + return (SANE_STATUS_GOOD); /* unreachable */ +} + +/* Copy from the raw buffer to the buffer given by the backend. + * + * len in input is the maximum length available in buf, and, in + * output, is the length written into buf. + */ +static void +matsushita_copy_raw_to_frontend (Matsushita_Scanner * dev, SANE_Byte * buf, + size_t * len) +{ + size_t size; + + size = dev->image_end - dev->image_begin; + if (size > *len) + { + size = *len; + } + *len = size; + + memcpy (buf, dev->image + dev->image_begin, size); + dev->image_begin += size; +} + +/* Stop a scan. */ +static SANE_Status +do_cancel (Matsushita_Scanner * dev) +{ + DBG (DBG_sane_proc, "do_cancel enter\n"); + + if (dev->scanning == SANE_TRUE) + { + + /* Reset the scanner */ + matsushita_reset_window (dev); + + matsushita_close (dev); + } + + dev->scanning = SANE_FALSE; + + DBG (DBG_sane_proc, "do_cancel exit\n"); + + return SANE_STATUS_CANCELLED; +} + +/*--------------------------------------------------------------------------*/ + +/* Entry points */ + +SANE_Status +sane_init (SANE_Int * version_code, SANE_Auth_Callback __sane_unused__ authorize) +{ + FILE *fp; + char dev_name[PATH_MAX]; + size_t len; + + DBG_INIT (); + + DBG (DBG_sane_init, "sane_init\n"); + + DBG (DBG_error, "This is sane-matsushita version %d.%d-%d\n", SANE_CURRENT_MAJOR, + V_MINOR, BUILD); + DBG (DBG_error, "(C) 2002 by Frank Zago\n"); + + if (version_code) + { + *version_code = SANE_VERSION_CODE (SANE_CURRENT_MAJOR, V_MINOR, BUILD); + } + + fp = sanei_config_open (MATSUSHITA_CONFIG_FILE); + if (!fp) + { + /* default to /dev/scanner instead of insisting on config file */ + attach_scanner ("/dev/scanner", 0); + return SANE_STATUS_GOOD; + } + + while (sanei_config_read (dev_name, sizeof (dev_name), fp)) + { + if (dev_name[0] == '#') /* ignore line comments */ + continue; + len = strlen (dev_name); + + if (!len) + continue; /* ignore empty lines */ + + sanei_config_attach_matching_devices (dev_name, attach_one); + } + + fclose (fp); + + DBG (DBG_proc, "sane_init: leave\n"); + + return SANE_STATUS_GOOD; +} + +SANE_Status +sane_get_devices (const SANE_Device *** device_list, SANE_Bool __sane_unused__ local_only) +{ + Matsushita_Scanner *dev; + int i; + + DBG (DBG_proc, "sane_get_devices: enter\n"); + + if (devlist) + free (devlist); + + devlist = malloc ((num_devices + 1) * sizeof (devlist[0])); + if (!devlist) + return SANE_STATUS_NO_MEM; + + i = 0; + for (dev = first_dev; i < num_devices; dev = dev->next) + devlist[i++] = &dev->sane; + devlist[i++] = 0; + + *device_list = devlist; + + DBG (DBG_proc, "sane_get_devices: exit\n"); + + return SANE_STATUS_GOOD; +} + +SANE_Status +sane_open (SANE_String_Const devicename, SANE_Handle * handle) +{ + Matsushita_Scanner *dev; + SANE_Status status; + + DBG (DBG_proc, "sane_open: enter\n"); + + /* search for devicename */ + if (devicename[0]) + { + DBG (DBG_info, "sane_open: devicename=%s\n", devicename); + + for (dev = first_dev; dev; dev = dev->next) + { + if (strcmp (dev->sane.name, devicename) == 0) + { + break; + } + } + + if (!dev) + { + status = attach_scanner (devicename, &dev); + if (status != SANE_STATUS_GOOD) + { + return status; + } + } + } + else + { + DBG (DBG_sane_info, "sane_open: no devicename, opening first device\n"); + dev = first_dev; /* empty devicename -> use first device */ + } + + if (!dev) + { + DBG (DBG_error, "No scanner found\n"); + + return SANE_STATUS_INVAL; + } + + /* Build a list a paper size that fit into this scanner. */ + matsushita_build_paper_sizes (dev); + + matsushita_init_options (dev); + + *handle = dev; + + DBG (DBG_proc, "sane_open: exit\n"); + + return SANE_STATUS_GOOD; +} + +const SANE_Option_Descriptor * +sane_get_option_descriptor (SANE_Handle handle, SANE_Int option) +{ + Matsushita_Scanner *dev = handle; + + DBG (DBG_proc, "sane_get_option_descriptor: enter, option %d\n", option); + + if ((unsigned) option >= OPT_NUM_OPTIONS) + { + return NULL; + } + + DBG (DBG_proc, "sane_get_option_descriptor: exit\n"); + + return dev->opt + option; +} + +SANE_Status +sane_control_option (SANE_Handle handle, SANE_Int option, + SANE_Action action, void *val, SANE_Int * info) +{ + Matsushita_Scanner *dev = handle; + SANE_Status status; + SANE_Word cap; + SANE_String_Const name; + int i; + SANE_Word value; + int rc; + + DBG (DBG_proc, "sane_control_option: enter, option %d, action %d\n", + option, action); + + if (info) + { + *info = 0; + } + + if (dev->scanning) + { + return SANE_STATUS_DEVICE_BUSY; + } + + if (option < 0 || option >= OPT_NUM_OPTIONS) + { + return SANE_STATUS_INVAL; + } + + cap = dev->opt[option].cap; + if (!SANE_OPTION_IS_ACTIVE (cap)) + { + return SANE_STATUS_INVAL; + } + + name = dev->opt[option].name; + if (!name) + { + name = "(no name)"; + } + if (action == SANE_ACTION_GET_VALUE) + { + + switch (option) + { + /* word options */ + case OPT_NUM_OPTS: + case OPT_RESOLUTION: + case OPT_TL_Y: + case OPT_BR_Y: + case OPT_TL_X: + case OPT_BR_X: + case OPT_BRIGHTNESS: + case OPT_CONTRAST: + case OPT_DUPLEX: + case OPT_AUTOMATIC_SEPARATION: + *(SANE_Word *) val = dev->val[option].w; + return SANE_STATUS_GOOD; + + /* string options */ + case OPT_MODE: + case OPT_FEEDER_MODE: + case OPT_HALFTONE_PATTERN: + case OPT_PAPER_SIZE: + case OPT_AUTOMATIC_THRESHOLD: + case OPT_WHITE_LEVEL: + case OPT_NOISE_REDUCTION: + case OPT_IMAGE_EMPHASIS: + case OPT_GAMMA: + strcpy (val, dev->val[option].s); + return SANE_STATUS_GOOD; + + default: + return SANE_STATUS_INVAL; + } + } + else if (action == SANE_ACTION_SET_VALUE) + { + + if (!SANE_OPTION_IS_SETTABLE (cap)) + { + DBG (DBG_error, "could not set option, not settable\n"); + return SANE_STATUS_INVAL; + } + + status = sanei_constrain_value (dev->opt + option, val, info); + if (status != SANE_STATUS_GOOD) + { + DBG (DBG_error, "could not set option, invalid value\n"); + return status; + } + + switch (option) + { + + /* Side-effect options */ + case OPT_TL_Y: + case OPT_BR_Y: + case OPT_RESOLUTION: + if (info) + { + *info |= SANE_INFO_RELOAD_PARAMS; + } + dev->val[option].w = *(SANE_Word *) val; + return SANE_STATUS_GOOD; + + /* The length of X must be rounded (up). */ + case OPT_TL_X: + case OPT_BR_X: + + value = mmToIlu (SANE_UNFIX (*(SANE_Word *) val)); + + i = get_int_list_index (scanners[dev->scnum].resolutions_list, + dev->val[OPT_RESOLUTION].w); + + if (value & (scanners[dev->scnum].resolutions_round[i] - 1)) + { + value = + (value | (scanners[dev->scnum].resolutions_round[i] - 1)) + 1; + if (info) + { + *info |= SANE_INFO_INEXACT; + } + } + + *(SANE_Word *) val = SANE_FIX (iluToMm (value)); + + dev->val[option].w = *(SANE_Word *) val; + + if (info) + { + *info |= SANE_INFO_RELOAD_PARAMS; + } + + return SANE_STATUS_GOOD; + + /* Side-effect free options */ + case OPT_CONTRAST: + case OPT_BRIGHTNESS: + case OPT_DUPLEX: + case OPT_AUTOMATIC_SEPARATION: + dev->val[option].w = *(SANE_Word *) val; + return SANE_STATUS_GOOD; + + /* String mode */ + case OPT_WHITE_LEVEL: + case OPT_NOISE_REDUCTION: + case OPT_IMAGE_EMPHASIS: + case OPT_GAMMA: + case OPT_FEEDER_MODE: + free (dev->val[option].s); + dev->val[option].s = (SANE_String) strdup (val); + return SANE_STATUS_GOOD; + + case OPT_MODE: + if (strcmp (dev->val[option].s, val) == 0) + return SANE_STATUS_GOOD; + + free (dev->val[OPT_MODE].s); + dev->val[OPT_MODE].s = (SANE_Char *) strdup (val); + + /* Set default options for the scan modes. */ + dev->opt[OPT_HALFTONE_PATTERN].cap |= SANE_CAP_INACTIVE; + dev->opt[OPT_AUTOMATIC_THRESHOLD].cap |= SANE_CAP_INACTIVE; + dev->opt[OPT_AUTOMATIC_SEPARATION].cap |= SANE_CAP_INACTIVE; + dev->opt[OPT_NOISE_REDUCTION].cap |= SANE_CAP_INACTIVE; + dev->opt[OPT_GAMMA].cap |= SANE_CAP_INACTIVE; + + if (strcmp (dev->val[OPT_MODE].s, BLACK_WHITE_STR) == 0) + { + dev->depth = 1; + + dev->opt[OPT_HALFTONE_PATTERN].cap &= ~SANE_CAP_INACTIVE; + dev->opt[OPT_AUTOMATIC_THRESHOLD].cap &= ~SANE_CAP_INACTIVE; + dev->opt[OPT_AUTOMATIC_SEPARATION].cap &= ~SANE_CAP_INACTIVE; + dev->opt[OPT_NOISE_REDUCTION].cap &= ~SANE_CAP_INACTIVE; + + i = get_string_list_index (halftone_pattern_list, + dev->val[OPT_HALFTONE_PATTERN].s); + if (halftone_pattern_val[i] == -1) + { + dev->scan_mode = MATSUSHITA_BW; + } + else + { + dev->scan_mode = MATSUSHITA_HALFTONE; + } + } + else if (strcmp (dev->val[OPT_MODE].s, GRAY4_STR) == 0) + { + dev->scan_mode = MATSUSHITA_GRAYSCALE; + dev->depth = 4; + + dev->opt[OPT_GAMMA].cap &= ~SANE_CAP_INACTIVE; + } + else if (strcmp (dev->val[OPT_MODE].s, GRAY8_STR) == 0) + { + dev->scan_mode = MATSUSHITA_GRAYSCALE; + dev->depth = 8; + + dev->opt[OPT_GAMMA].cap &= ~SANE_CAP_INACTIVE; + } + else + { + assert (0 == 1); + } + + /* Some options might not be supported by the scanner. */ + if ((scanners[dev->scnum].cap & MAT_CAP_GAMMA) == 0) + dev->opt[OPT_GAMMA].cap |= SANE_CAP_INACTIVE; + + if (info) + { + *info |= SANE_INFO_RELOAD_OPTIONS | SANE_INFO_RELOAD_PARAMS; + } + return SANE_STATUS_GOOD; + + case OPT_HALFTONE_PATTERN: + free (dev->val[option].s); + dev->val[option].s = (SANE_String) strdup (val); + i = get_string_list_index (halftone_pattern_list, + dev->val[OPT_HALFTONE_PATTERN].s); + if (halftone_pattern_val[i] == -1) + { + dev->scan_mode = MATSUSHITA_BW; + } + else + { + dev->scan_mode = MATSUSHITA_HALFTONE; + } + + return SANE_STATUS_GOOD; + + case OPT_PAPER_SIZE: + if (strcmp (dev->val[option].s, val) == 0) + return SANE_STATUS_GOOD; + + free (dev->val[OPT_PAPER_SIZE].s); + dev->val[OPT_PAPER_SIZE].s = (SANE_Char *) strdup (val); + + i = get_string_list_index (dev->paper_sizes_list, + dev->val[OPT_PAPER_SIZE].s); + i = dev->paper_sizes_val[i]; + + /* Set the 4 corners values. */ + value = 0; + rc = sane_control_option (handle, OPT_TL_X, SANE_ACTION_SET_VALUE, + &value, info); + assert (rc == SANE_STATUS_GOOD); + + value = 0; + rc = sane_control_option (handle, OPT_TL_Y, SANE_ACTION_SET_VALUE, + &value, info); + assert (rc == SANE_STATUS_GOOD); + + value = SANE_FIX (paper_sizes[i].width); + rc = sane_control_option (handle, OPT_BR_X, SANE_ACTION_SET_VALUE, + &value, info); + assert (rc == SANE_STATUS_GOOD); + + value = SANE_FIX (paper_sizes[i].length); + rc = sane_control_option (handle, OPT_BR_Y, SANE_ACTION_SET_VALUE, + &value, info); + assert (rc == SANE_STATUS_GOOD); + + if (info) + *info |= SANE_INFO_RELOAD_OPTIONS; + + return SANE_STATUS_GOOD; + + case OPT_AUTOMATIC_THRESHOLD: + if (strcmp (dev->val[option].s, val) == 0) + return SANE_STATUS_GOOD; + + free (dev->val[option].s); + dev->val[option].s = (SANE_Char *) strdup (val); + + /* If the threshold is not set to none, some option must + * disappear. */ + dev->opt[OPT_WHITE_LEVEL].cap |= SANE_CAP_INACTIVE; + dev->opt[OPT_NOISE_REDUCTION].cap |= SANE_CAP_INACTIVE; + dev->opt[OPT_IMAGE_EMPHASIS].cap |= SANE_CAP_INACTIVE; + dev->opt[OPT_AUTOMATIC_SEPARATION].cap |= SANE_CAP_INACTIVE; + dev->opt[OPT_HALFTONE_PATTERN].cap |= SANE_CAP_INACTIVE; + + if (strcmp (dev->val[option].s, automatic_threshold_list[0]) == 0) + { + dev->opt[OPT_WHITE_LEVEL].cap &= ~SANE_CAP_INACTIVE; + dev->opt[OPT_NOISE_REDUCTION].cap &= ~SANE_CAP_INACTIVE; + dev->opt[OPT_IMAGE_EMPHASIS].cap &= ~SANE_CAP_INACTIVE; + dev->opt[OPT_AUTOMATIC_SEPARATION].cap &= ~SANE_CAP_INACTIVE; + if (dev->scan_mode == MATSUSHITA_BW + || dev->scan_mode == MATSUSHITA_HALFTONE) + { + dev->opt[OPT_HALFTONE_PATTERN].cap &= ~SANE_CAP_INACTIVE; + } + } + + if (info) + { + *info |= SANE_INFO_RELOAD_OPTIONS | SANE_INFO_RELOAD_PARAMS; + } + return SANE_STATUS_GOOD; + + default: + return SANE_STATUS_INVAL; + } + } + + DBG (DBG_proc, "sane_control_option: exit, bad\n"); + + return SANE_STATUS_UNSUPPORTED; +} + +SANE_Status +sane_get_parameters (SANE_Handle handle, SANE_Parameters * params) +{ + Matsushita_Scanner *dev = handle; + + DBG (DBG_proc, "sane_get_parameters: enter\n"); + + if (!(dev->scanning)) + { + + /* Setup the parameters for the scan. These values will be re-used + * in the SET WINDOWS command. */ + dev->resolution = dev->val[OPT_RESOLUTION].w; + + dev->x_tl = mmToIlu (SANE_UNFIX (dev->val[OPT_TL_X].w)); + dev->y_tl = mmToIlu (SANE_UNFIX (dev->val[OPT_TL_Y].w)); + dev->x_br = mmToIlu (SANE_UNFIX (dev->val[OPT_BR_X].w)); + dev->y_br = mmToIlu (SANE_UNFIX (dev->val[OPT_BR_Y].w)); + + /* Check the corners are OK. */ + if (dev->x_tl > dev->x_br) + { + int s; + s = dev->x_tl; + dev->x_tl = dev->x_br; + dev->x_br = s; + } + if (dev->y_tl > dev->y_br) + { + int s; + s = dev->y_tl; + dev->y_tl = dev->y_br; + dev->y_br = s; + } + + dev->width = dev->x_br - dev->x_tl; + dev->length = dev->y_br - dev->y_tl; + + /* Prepare the parameters for the caller. */ + memset (&dev->params, 0, sizeof (SANE_Parameters)); + + dev->params.format = SANE_FRAME_GRAY; + dev->params.last_frame = SANE_TRUE; + dev->params.pixels_per_line = + (((dev->width * dev->resolution) / 1200) + 7) & ~0x7; + + if (dev->depth == 4) + { + dev->params.depth = 8; + } + else + { + dev->params.depth = dev->depth; + } + dev->params.bytes_per_line = + (dev->params.pixels_per_line / 8) * dev->params.depth; + dev->params.lines = (dev->length * dev->resolution) / 1200; + } + + /* Return the current values. */ + if (params) + { + *params = (dev->params); + } + + DBG (DBG_proc, "sane_get_parameters: exit\n"); + + return SANE_STATUS_GOOD; +} + +SANE_Status +sane_start (SANE_Handle handle) +{ + Matsushita_Scanner *dev = handle; + SANE_Status status; + + DBG (DBG_proc, "sane_start: enter\n"); + + if (!(dev->scanning)) + { + + sane_get_parameters (dev, NULL); + + if (dev->image == NULL) + { + dev->image_size = 3 * dev->buffer_size; + dev->image = malloc (dev->image_size); + if (dev->image == NULL) + { + return SANE_STATUS_NO_MEM; + } + } + + /* Open again the scanner. */ + if (sanei_scsi_open + (dev->devicename, &(dev->sfd), matsushita_sense_handler, dev) != 0) + { + DBG (DBG_error, "ERROR: sane_start: open failed\n"); + return SANE_STATUS_INVAL; + } + + dev->page_side = 0; /* page front */ + dev->page_num = 0; /* first page */ + + /* The scanner must be ready. */ + status = matsushita_wait_scanner (dev); + if (status) + { + matsushita_close (dev); + return status; + } + + status = matsushita_reset_window (dev); + if (status) + { + matsushita_close (dev); + return status; + } + + status = matsushita_set_window (dev, PAGE_FRONT); + if (status) + { + matsushita_close (dev); + return status; + } + + if (dev->val[OPT_DUPLEX].w == SANE_TRUE) + { + status = matsushita_set_window (dev, PAGE_BACK); + if (status) + { + matsushita_close (dev); + return status; + } + } + + status = matsushita_read_document_size (dev); + if (status) + { + matsushita_close (dev); + return status; + } + + } + else + { + if (dev->val[OPT_DUPLEX].w == SANE_TRUE && dev->page_side == PAGE_FRONT) + { + dev->page_side = PAGE_BACK; + } + else + { + /* new sheet. */ + dev->page_side = PAGE_FRONT; + dev->page_num++; + } + + status = matsushita_check_next_page (dev); + if (status) + { + return status; + } + } + + dev->bytes_left = dev->params.bytes_per_line * dev->params.lines; + dev->real_bytes_left = dev->params.bytes_per_line * dev->params.lines; + if (dev->depth == 4) + { + /* Every byte read will be expanded into 2 bytes. */ + dev->real_bytes_left /= 2; + } + + dev->image_end = 0; + dev->image_begin = 0; + + dev->scanning = SANE_TRUE; + + DBG (DBG_proc, "sane_start: exit\n"); + + return SANE_STATUS_GOOD; +} + +SANE_Status +sane_read (SANE_Handle handle, SANE_Byte * buf, SANE_Int max_len, + SANE_Int * len) +{ + SANE_Status status; + Matsushita_Scanner *dev = handle; + size_t size; + int buf_offset; /* offset into buf */ + + DBG (DBG_proc, "sane_read: enter\n"); + + *len = 0; + + if (!(dev->scanning)) + { + /* OOPS, not scanning */ + return do_cancel (dev); + } + + if (dev->bytes_left <= 0) + { + return (SANE_STATUS_EOF); + } + + buf_offset = 0; + + do + { + if (dev->image_begin == dev->image_end) + { + /* Fill image */ + status = matsushita_fill_image (dev); + if (status != SANE_STATUS_GOOD) + { + return (status); + } + } + + /* Something must have been read */ + if (dev->image_begin == dev->image_end) + { + DBG (DBG_info, "sane_read: nothing read\n"); + return SANE_STATUS_IO_ERROR; + } + + /* Copy the data to the frontend buffer. */ + size = max_len - buf_offset; + if (size > dev->bytes_left) + { + size = dev->bytes_left; + } + matsushita_copy_raw_to_frontend (dev, buf + buf_offset, &size); + + buf_offset += size; + + dev->bytes_left -= size; + *len += size; + + } + while ((buf_offset != max_len) && dev->bytes_left); + + DBG (DBG_info, "sane_read: leave, bytes_left=%ld\n", (long)dev->bytes_left); + + return SANE_STATUS_GOOD; +} + +SANE_Status +sane_set_io_mode (SANE_Handle __sane_unused__ handle, SANE_Bool __sane_unused__ non_blocking) +{ + SANE_Status status; + Matsushita_Scanner *dev = handle; + + DBG (DBG_proc, "sane_set_io_mode: enter\n"); + + if (dev->scanning == SANE_FALSE) + { + return (SANE_STATUS_INVAL); + } + + if (non_blocking == SANE_FALSE) { + status = SANE_STATUS_GOOD; + } else { + status = SANE_STATUS_UNSUPPORTED; + } + + DBG (DBG_proc, "sane_set_io_mode: exit\n"); + + return status; +} + +SANE_Status +sane_get_select_fd (SANE_Handle __sane_unused__ handle, SANE_Int __sane_unused__ * fd) +{ + DBG (DBG_proc, "sane_get_select_fd: enter\n"); + + DBG (DBG_proc, "sane_get_select_fd: exit\n"); + + return SANE_STATUS_UNSUPPORTED; +} + +void +sane_cancel (SANE_Handle handle) +{ + Matsushita_Scanner *dev = handle; + + DBG (DBG_proc, "sane_cancel: enter\n"); + + do_cancel (dev); + + DBG (DBG_proc, "sane_cancel: exit\n"); +} + +void +sane_close (SANE_Handle handle) +{ + Matsushita_Scanner *dev = handle; + Matsushita_Scanner *dev_tmp; + + DBG (DBG_proc, "sane_close: enter\n"); + + do_cancel (dev); + matsushita_close (dev); + + /* Unlink dev. */ + if (first_dev == dev) + { + first_dev = dev->next; + } + else + { + dev_tmp = first_dev; + while (dev_tmp->next && dev_tmp->next != dev) + { + dev_tmp = dev_tmp->next; + } + if (dev_tmp->next != NULL) + { + dev_tmp->next = dev_tmp->next->next; + } + } + + matsushita_free (dev); + num_devices--; + + DBG (DBG_proc, "sane_close: exit\n"); +} + +void +sane_exit (void) +{ + DBG (DBG_proc, "sane_exit: enter\n"); + + while (first_dev) + { + sane_close (first_dev); + } + + if (devlist) + { + free (devlist); + devlist = NULL; + } + + DBG (DBG_proc, "sane_exit: exit\n"); +} |