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+/* sane - Scanner Access Now Easy.
+
+ 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. */
+
+
+
+#ifndef ibm_h
+#define ibm_h 1
+
+#include <sys/types.h>
+
+#include "../include/sane/config.h"
+
+/* defines for scan_image_mode field */
+#define IBM_BINARY_MONOCHROME 0
+#define IBM_DITHERED_MONOCHROME 1
+#define IBM_GRAYSCALE 2
+
+/* defines for paper field */
+#define IBM_PAPER_USER_DEFINED 0
+#define IBM_PAPER_A3 1
+#define IBM_PAPER_A4 2
+#define IBM_PAPER_A4L 3
+#define IBM_PAPER_A5 4
+#define IBM_PAPER_A5L 5
+#define IBM_PAPER_A6 6
+#define IBM_PAPER_B4 7
+#define IBM_PAPER_B5 8
+#define IBM_PAPER_LEGAL 9
+#define IBM_PAPER_LETTER 10
+
+/* sizes for mode parameter's base_measurement_unit */
+#define INCHES 0
+#define MILLIMETERS 1
+#define POINTS 2
+#define DEFAULT_MUD 1200
+#define MEASUREMENTS_PAGE (SANE_Byte)(0x03)
+
+/* Mode Page Control */
+#define PC_CURRENT 0x00
+#define PC_CHANGE 0x40
+#define PC_DEFAULT 0x80
+#define PC_SAVED 0xc0
+
+static const SANE_String_Const mode_list[] =
+ {
+ SANE_VALUE_SCAN_MODE_LINEART,
+ SANE_VALUE_SCAN_MODE_HALFTONE,
+ SANE_VALUE_SCAN_MODE_GRAY,
+ 0
+ };
+
+static const SANE_String_Const paper_list[] =
+ {
+ "User",
+ "A3",
+ "A4", "A4R",
+ "A5", "A5R",
+ "A6",
+ "B4", "B5",
+ "Legal", "Letter",
+ 0
+ };
+
+#define PAPER_A3_W 14032
+#define PAPER_A3_H 19842
+#define PAPER_A4_W 9921
+#define PAPER_A4_H 14032
+#define PAPER_A4R_W 14032
+#define PAPER_A4R_H 9921
+#define PAPER_A5_W 7016
+#define PAPER_A5_H 9921
+#define PAPER_A5R_W 9921
+#define PAPER_A5R_H 7016
+#define PAPER_A6_W 4960
+#define PAPER_A6_H 7016
+#define PAPER_B4_W 11811
+#define PAPER_B4_H 16677
+#define PAPER_B5_W 8598
+#define PAPER_B5_H 12142
+#define PAPER_LEGAL_W 10200
+#define PAPER_LEGAL_H 16800
+#define PAPER_LETTER_W 10200
+#define PAPER_LETTER_H 13200
+
+static const SANE_Range u8_range =
+ {
+ 0, /* minimum */
+ 255, /* maximum */
+ 0 /* quantization */
+ };
+
+static const SANE_Range ibm2456_res_range =
+ {
+ 100, /* minimum */
+ 600, /* maximum */
+ 0 /* quantization */
+ };
+
+static const SANE_Range default_x_range =
+ {
+ 0, /* minimum */
+/* (SANE_Word) ( * DEFAULT_MUD), maximum */
+ 14032, /* maximum (found empirically for Gray mode) */
+ /* in Lineart mode it works till 14062 */
+ 2 /* quantization */
+ };
+
+static const SANE_Range default_y_range =
+ {
+ 0, /* minimum */
+/* (SANE_Word) (14 * DEFAULT_MUD), maximum */
+ 20410, /* maximum (found empirically) */
+ 2 /* quantization */
+ };
+
+
+
+static inline void
+_lto2b(SANE_Int val, SANE_Byte *bytes)
+
+{
+
+ bytes[0] = (val >> 8) & 0xff;
+ bytes[1] = val & 0xff;
+}
+
+static inline void
+_lto3b(SANE_Int val, SANE_Byte *bytes)
+
+{
+
+ bytes[0] = (val >> 16) & 0xff;
+ bytes[1] = (val >> 8) & 0xff;
+ bytes[2] = val & 0xff;
+}
+
+static inline void
+_lto4b(SANE_Int val, SANE_Byte *bytes)
+{
+
+ bytes[0] = (val >> 24) & 0xff;
+ bytes[1] = (val >> 16) & 0xff;
+ bytes[2] = (val >> 8) & 0xff;
+ bytes[3] = val & 0xff;
+}
+
+static inline SANE_Int
+_2btol(SANE_Byte *bytes)
+{
+ SANE_Int rv;
+
+ rv = (bytes[0] << 8) |
+ bytes[1];
+ return (rv);
+}
+
+static inline SANE_Int
+_3btol(SANE_Byte *bytes)
+{
+ SANE_Int rv;
+
+ rv = (bytes[0] << 16) |
+ (bytes[1] << 8) |
+ bytes[2];
+ return (rv);
+}
+
+static inline SANE_Int
+_4btol(SANE_Byte *bytes)
+{
+ SANE_Int rv;
+
+ rv = (bytes[0] << 24) |
+ (bytes[1] << 16) |
+ (bytes[2] << 8) |
+ bytes[3];
+ return (rv);
+}
+
+typedef enum
+ {
+ OPT_NUM_OPTS = 0,
+
+ OPT_MODE_GROUP,
+ OPT_MODE,
+ OPT_X_RESOLUTION,
+ OPT_Y_RESOLUTION,
+ OPT_ADF,
+
+ OPT_GEOMETRY_GROUP,
+ OPT_PAPER, /* predefined formats */
+ OPT_TL_X, /* top-left x */
+ OPT_TL_Y, /* top-left y */
+ OPT_BR_X, /* bottom-right x */
+ OPT_BR_Y, /* bottom-right y */
+
+ OPT_ENHANCEMENT_GROUP,
+ OPT_BRIGHTNESS,
+ OPT_CONTRAST,
+
+ /* must come last: */
+ NUM_OPTIONS
+ }
+Ibm_Option;
+
+typedef struct Ibm_Info
+ {
+ SANE_Range xres_range;
+ SANE_Range yres_range;
+ SANE_Range x_range;
+ SANE_Range y_range;
+ SANE_Range brightness_range;
+ SANE_Range contrast_range;
+
+ SANE_Int xres_default;
+ SANE_Int yres_default;
+ SANE_Int image_mode_default;
+ SANE_Int paper_default;
+ SANE_Int brightness_default;
+ SANE_Int contrast_default;
+ SANE_Int adf_default;
+
+ SANE_Int bmu;
+ SANE_Int mud;
+ }
+Ibm_Info;
+
+typedef struct Ibm_Device
+ {
+ struct Ibm_Device *next;
+ SANE_Device sane;
+ Ibm_Info info;
+ }
+Ibm_Device;
+
+typedef struct Ibm_Scanner
+ {
+ /* all the state needed to define a scan request: */
+ struct Ibm_Scanner *next;
+ int fd; /* SCSI filedescriptor */
+
+ SANE_Option_Descriptor opt[NUM_OPTIONS];
+ Option_Value val[NUM_OPTIONS];
+ SANE_Parameters params;
+ /* scanner dependent/low-level state: */
+ Ibm_Device *hw;
+
+ SANE_Int xres;
+ SANE_Int yres;
+ SANE_Int ulx;
+ SANE_Int uly;
+ SANE_Int width;
+ SANE_Int length;
+ SANE_Int brightness;
+ SANE_Int contrast;
+ SANE_Int image_composition;
+ SANE_Int bpp;
+ SANE_Bool reverse;
+/* next lines by mf */
+ SANE_Int adf_state;
+#define ADF_UNUSED 0 /* scan from flatbed, not ADF */
+#define ADF_ARMED 1 /* scan from ADF, everything's set up */
+#define ADF_CLEANUP 2 /* eject paper from ADF on close */
+/* end lines by mf */
+ size_t bytes_to_read;
+ int scanning;
+ }
+Ibm_Scanner;
+
+struct inquiry_data {
+ SANE_Byte devtype;
+ SANE_Byte byte2;
+ SANE_Byte byte3;
+ SANE_Byte byte4;
+ SANE_Byte byte5;
+ SANE_Byte res1[2];
+ SANE_Byte flags;
+ SANE_Byte vendor[8];
+ SANE_Byte product[8];
+ SANE_Byte revision[4];
+ SANE_Byte byte[60];
+};
+
+#define IBM_WINDOW_DATA_SIZE 320
+struct ibm_window_data {
+ /* header */
+ SANE_Byte reserved[6];
+ SANE_Byte len[2];
+ /* data */
+ SANE_Byte window_id; /* must be zero */
+ SANE_Byte reserved0;
+ SANE_Byte x_res[2];
+ SANE_Byte y_res[2];
+ SANE_Byte x_org[4];
+ SANE_Byte y_org[4];
+ SANE_Byte width[4];
+ SANE_Byte length[4];
+ SANE_Byte brightness;
+ SANE_Byte threshold;
+ SANE_Byte contrast;
+ SANE_Byte image_comp; /* image composition (data type) */
+ SANE_Byte bits_per_pixel;
+ SANE_Byte halftone_code; /* halftone_pattern[0] in ricoh.h */
+ SANE_Byte halftone_id; /* halftone_pattern[1] in ricoh.h */
+ SANE_Byte pad_type;
+ SANE_Byte bit_ordering[2];
+ SANE_Byte compression_type;
+ SANE_Byte compression_arg;
+ SANE_Byte res3[6];
+
+ /* Vendor Specific parameter byte(s) */
+ /* Ricoh specific, follow the scsi2 standard ones */
+ SANE_Byte byte1;
+ SANE_Byte byte2;
+ SANE_Byte mrif_filtering_gamma_id;
+ SANE_Byte byte3;
+ SANE_Byte byte4;
+ SANE_Byte binary_filter;
+ SANE_Byte reserved2[18];
+
+ SANE_Byte reserved3[256];
+
+};
+
+struct measurements_units_page {
+ SANE_Byte page_code; /* 0x03 */
+ SANE_Byte parameter_length; /* 0x06 */
+ SANE_Byte bmu;
+ SANE_Byte res1;
+ SANE_Byte mud[2];
+ SANE_Byte res2[2]; /* anybody know what `COH' may mean ??? */
+/* next 4 lines by mf */
+ SANE_Byte adf_page_code;
+ SANE_Byte adf_parameter_length;
+ SANE_Byte adf_control;
+ SANE_Byte res3[5];
+};
+
+struct mode_pages {
+ SANE_Byte page_code;
+ SANE_Byte parameter_length;
+ SANE_Byte rest[14]; /* modified by mf; it was 6; see above */
+#if 0
+ SANE_Byte more_pages[243]; /* maximum size 255 bytes (incl header) */
+#endif
+};
+
+
+#endif /* ibm_h */