Initial import of sane-backends version 1.0.24-1.2

1 files changed, 267 insertions, 0 deletions

diff --git a/backend/tamarack.h b/backend/tamarack.h
new file mode 100644
index 0000000..65697ac
--- /dev/null
+++ b/backend/tamarack.h
@@ -0,0 +1,267 @@
+/* sane - Scanner Access Now Easy.
+   Copyright (C) 1996, 1997 David Mosberger-Tang
+   Copyright (C) 1997 R.E.Wolff@BitWizard.nl
+
+   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.
+
+   */
+
+#ifndef tamarack_h
+#define tamarack_h
+
+#include <sys/types.h>
+
+#define TAMARACK_FLAG_TA	(1 << 3)	/* transparency adapter */
+
+
+enum Tamarack_Option
+  {
+    OPT_NUM_OPTS = 0,
+
+    OPT_MODE_GROUP,
+    OPT_MODE,
+#define OPT_MODE_DEFAULT 2
+    OPT_RESOLUTION,
+#define OPT_RESOLUTION_DEFAULT 100
+#if 0
+    OPT_SPEED,
+    OPT_SOURCE,
+    OPT_BACKTRACK,
+#endif
+    OPT_PREVIEW,
+    OPT_GRAY_PREVIEW,
+
+    OPT_GEOMETRY_GROUP,
+    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_TRANS,
+    OPT_BRIGHTNESS,
+    OPT_CONTRAST,
+    OPT_THRESHOLD,
+#if 0
+    OPT_CUSTOM_GAMMA,		/* use custom gamma tables? */
+    /* The gamma vectors MUST appear in the order gray, red, green,
+       blue.  */
+    OPT_GAMMA_VECTOR,
+    OPT_GAMMA_VECTOR_R,
+    OPT_GAMMA_VECTOR_G,
+    OPT_GAMMA_VECTOR_B,
+
+    OPT_HALFTONE_DIMENSION,
+    OPT_HALFTONE_PATTERN,
+#endif
+
+    /* must come last: */
+    NUM_OPTIONS
+  };
+
+
+
+typedef struct Tamarack_Device
+  {
+    struct Tamarack_Device *next;
+    SANE_Device sane;
+    SANE_Range dpi_range;
+    SANE_Range x_range;
+    SANE_Range y_range;
+    unsigned flags;
+  }
+
+Tamarack_Device;
+
+typedef struct Tamarack_Scanner
+  {
+    /* all the state needed to define a scan request: */
+    struct Tamarack_Scanner *next;
+
+    SANE_Option_Descriptor opt[NUM_OPTIONS];
+    Option_Value val[NUM_OPTIONS];
+    SANE_Int gamma_table[4][256];
+#if 0
+    SANE_Int halftone_pattern[64];
+#endif
+
+    int scanning;
+    int pass;			/* pass number */
+    int line;			/* current line number */
+    SANE_Parameters params;
+
+    /* Parsed option values and variables that are valid only during
+       actual scanning: */
+    int mode;
+#if 0
+    int one_pass_color_scan;
+    int resolution_code;
+#endif
+    int fd;			/* SCSI filedescriptor */
+    SANE_Pid reader_pid;	/* process id of reader */
+    int pipe;			/* pipe to reader process */
+    int reader_pipe;		/* pipe from reader process */
+
+    /* scanner dependent/low-level state: */
+    Tamarack_Device *hw;
+
+#if 0
+    /* line-distance correction related state: */
+    struct
+      {
+	int max_value;
+	int peak_res;
+	struct
+	  {
+	    int dist;		/* line distance */
+	    int Qk;
+	  }
+	c[3];
+	/* these are used in the MLD_MFS mode only: */
+	char *red_buf;
+	char *green_buf;
+      }
+    ld;
+#endif
+  }
+Tamarack_Scanner;
+
+
+
+#define TAM_ADF_ON    0x80
+#define TAM_DOUBLE_ON 0x40
+#define TAM_TRANS_ON  0x20
+
+#define TAM_INVERSE_ON 0x20
+
+
+
+
+#define THRESHOLDED 0
+#define DITHERED 1
+#define GREYSCALE 2
+#define TRUECOLOR 3
+
+
+
+/* Some Tamarack driver internal defines */
+#define WINID 0
+
+
+/* SCSI commands that the Tamarack scanners understand: */
+
+#define TAMARACK_SCSI_TEST_UNIT_READY		0x00
+#define TAMARACK_SCSI_INQUIRY			0x12
+#define TAMARACK_SCSI_MODE_SELECT		0x15 
+#define TAMARACK_SCSI_START_STOP		0x1b
+#define TAMARACK_SCSI_AREA_AND_WINDOWS		0x24
+#define TAMARACK_SCSI_READ_SCANNED_DATA		0x28
+#define TAMARACK_SCSI_GET_DATA_STATUS		0x34 
+
+
+/* The structures that you have to send to the tamarack to get it to
+   do various stuff... */
+
+struct win_desc_header {
+  unsigned char pad0[6];
+  unsigned char wpll[2];
+};
+
+
+struct win_desc_block {
+  unsigned char winid;
+  unsigned char pad0;
+  unsigned char xres[2];
+  unsigned char yres[2];
+  unsigned char ulx[4];
+  unsigned char uly[4];
+  unsigned char width[4];  
+  unsigned char length[4];
+  unsigned char brightness;
+  unsigned char thresh;
+  unsigned char contrast;
+  unsigned char image_comp;
+  unsigned char bpp;
+  unsigned char halftone[2];
+  unsigned char pad_type;
+  unsigned char exposure;
+  unsigned char pad3;
+  unsigned char compr_type;
+  unsigned char pad4[5];
+};
+
+
+
+struct command_header {
+  unsigned char opc;
+  unsigned char pad0[3];  
+  unsigned char len;
+  unsigned char pad1;
+};
+
+
+struct command_header_10 {
+  unsigned char opc;
+  unsigned char pad0[5];  
+  unsigned char len[3];
+  unsigned char pad1;
+};
+
+
+
+
+struct def_win_par {
+  struct command_header_10 dwph;
+  struct win_desc_header wdh;
+  struct win_desc_block wdb;
+};
+
+
+struct page_header{
+  char pad0[4];
+  char code;
+  char length;
+};
+
+
+
+struct tamarack_page {
+  char gamma;
+  unsigned char thresh;
+  unsigned char masks;
+  char delay;
+  char features;
+  char pad0;
+};
+
+
+/* set SCSI highended variables. Declare them as an array of chars */
+/* endianness-safe, int-size safe... */
+#define set_double(var,val) var[0] = ((val) >> 8) & 0xff;  \
+                            var[1] = ((val)     ) & 0xff;
+
+#define set_triple(var,val) var[0] = ((val) >> 16) & 0xff; \
+                            var[1] = ((val) >> 8 ) & 0xff; \
+                            var[2] = ((val)      ) & 0xff;
+
+#define set_quad(var,val)   var[0] = ((val) >> 24) & 0xff; \
+                            var[1] = ((val) >> 16) & 0xff; \
+                            var[2] = ((val) >> 8 ) & 0xff; \
+                            var[3] = ((val)      ) & 0xff;
+
+#endif /* tamarack_h */