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authorJörg Frings-Fürst <debian@jff-webhosting.net>2014-10-06 14:00:40 +0200
committerJörg Frings-Fürst <debian@jff-webhosting.net>2014-10-06 14:00:40 +0200
commit6e9c41a892ed0e0da326e0278b3221ce3f5713b8 (patch)
tree2e301d871bbeeb44aa57ff9cc070fcf3be484487 /backend/sp15c.h
Initial import of sane-backends version 1.0.24-1.2
Diffstat (limited to 'backend/sp15c.h')
-rw-r--r--backend/sp15c.h336
1 files changed, 336 insertions, 0 deletions
diff --git a/backend/sp15c.h b/backend/sp15c.h
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+++ b/backend/sp15c.h
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+#ifndef SP15C_H
+#define SP15C_H
+
+static const char RCSid_h[] = "$Header$";
+/* 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.
+
+ This file implements a SANE backend for Fujitsu ScanParner 15c
+ flatbed/ADF scanners. It was derived from the COOLSCAN driver.
+ Written by Randolph Bentson <bentson@holmsjoen.com> */
+
+/* ------------------------------------------------------------------------- */
+/*
+ * $Log$
+ * Revision 1.8 2008/05/15 12:50:24 ellert-guest
+ * Fix for bug #306751: sanei-thread with pthreads on 64 bit
+ *
+ * Revision 1.7 2005-09-19 19:57:48 fzago-guest
+ * Replaced __unused__ with __sane_unused__ to avoid a namespace conflict.
+ *
+ * Revision 1.6 2004/11/13 19:53:04 fzago-guest
+ * Fixes some warnings.
+ *
+ * Revision 1.5 2004/05/23 17:28:56 hmg-guest
+ * Use sanei_thread instead of fork() in the unmaintained backends.
+ * Patches from Mattias Ellert (bugs: 300635, 300634, 300633, 300629).
+ *
+ * Revision 1.4 2003/12/27 17:48:38 hmg-guest
+ * Silenced some compilation warnings.
+ *
+ * Revision 1.3 2000/08/12 15:09:42 pere
+ * Merge devel (v1.0.3) into head branch.
+ *
+ * Revision 1.1.2.3 2000/03/14 17:47:14 abel
+ * new version of the Sharp backend added.
+ *
+ * Revision 1.1.2.2 2000/01/26 03:51:50 pere
+ * Updated backends sp15c (v1.12) and m3096g (v1.11).
+ *
+ * Revision 1.7 2000/01/05 05:22:26 bentson
+ * indent to barfable GNU style
+ *
+ * Revision 1.6 1999/12/03 20:57:13 bentson
+ * add MEDIA CHECK command
+ *
+ * Revision 1.5 1999/11/24 15:55:56 bentson
+ * remove some debug stuff; rename function
+ *
+ * Revision 1.4 1999/11/23 18:54:26 bentson
+ * tidy up function types for constraint checking
+ *
+ * Revision 1.3 1999/11/23 06:41:54 bentson
+ * add debug flag to interface
+ *
+ * Revision 1.2 1999/11/22 18:15:20 bentson
+ * more work on color support
+ *
+ * Revision 1.1 1999/11/19 15:09:08 bentson
+ * cribbed from m3096g
+ *
+ */
+
+static int num_devices;
+static struct sp15c *first_dev;
+
+enum sp15c_Option
+ {
+ OPT_NUM_OPTS = 0,
+
+ OPT_MODE_GROUP,
+ OPT_SOURCE,
+ OPT_MODE,
+ OPT_TYPE,
+ OPT_X_RES,
+ OPT_Y_RES,
+ OPT_PRESCAN,
+ OPT_PREVIEW_RES,
+
+ OPT_GEOMETRY_GROUP,
+ OPT_TL_X, /* in mm/2^16 */
+ OPT_TL_Y, /* in mm/2^16 */
+ OPT_BR_X, /* in mm/2^16 */
+ OPT_BR_Y, /* in mm/2^16 */
+
+ OPT_ENHANCEMENT_GROUP,
+ OPT_AVERAGING,
+ OPT_BRIGHTNESS,
+ OPT_THRESHOLD,
+
+ OPT_ADVANCED_GROUP,
+ OPT_PREVIEW,
+
+ /* must come last: */
+ NUM_OPTIONS
+ };
+
+struct sp15c
+ {
+ struct sp15c *next;
+
+ SANE_Option_Descriptor opt[NUM_OPTIONS];
+ SANE_Device sane;
+
+ char vendor[9];
+ char product[17];
+ char version[5];
+
+ char *devicename; /* name of the scanner device */
+ int sfd; /* output file descriptor, scanner device */
+ int pipe;
+ int reader_pipe;
+
+ int scanning; /* "in progress" flag */
+ int autofeeder; /* detected */
+ int use_adf; /* requested */
+ SANE_Pid reader_pid; /* child is running */
+ int prescan; /* ??? */
+
+/***** terms for "set window" command *****/
+ int x_res; /* resolution in */
+ int y_res; /* pixels/inch */
+ int tl_x; /* top left position, */
+ int tl_y; /* in inch/1200 units */
+ int br_x; /* bottom right position, */
+ int br_y; /* in inch/1200 units */
+
+ int brightness;
+ int threshold;
+ int contrast;
+ int composition;
+ int bitsperpixel; /* at the scanner interface */
+ int halftone;
+ int rif;
+ int bitorder;
+ int compress_type;
+ int compress_arg;
+ int vendor_id_code;
+ int outline;
+ int emphasis;
+ int auto_sep;
+ int mirroring;
+ int var_rate_dyn_thresh;
+ int white_level_follow;
+ int subwindow_list;
+ int paper_size;
+ int paper_width_X;
+ int paper_length_Y;
+/***** end of "set window" terms *****/
+
+ /* buffer used for scsi-transfer */
+ unsigned char *buffer;
+ unsigned int row_bufsize;
+
+ };
+
+/* ------------------------------------------------------------------------- */
+
+#define length_quant SANE_UNFIX(SANE_FIX(MM_PER_INCH / 1200.0))
+#define mmToIlu(mm) ((mm) / length_quant)
+#define iluToMm(ilu) ((ilu) * length_quant)
+#define SP15C_CONFIG_FILE "sp15c.conf"
+
+/* ------------------------------------------------------------------------- */
+
+SANE_Status
+sane_init (SANE_Int * version_code, SANE_Auth_Callback authorize);
+
+SANE_Status
+sane_get_devices (const SANE_Device *** device_list, SANE_Bool local_only);
+
+SANE_Status
+sane_open (SANE_String_Const name, SANE_Handle * handle);
+
+SANE_Status
+sane_set_io_mode (SANE_Handle h, SANE_Bool non_blocking);
+
+SANE_Status
+sane_get_select_fd (SANE_Handle h, SANE_Int * fdp);
+
+const SANE_Option_Descriptor *
+ sane_get_option_descriptor (SANE_Handle handle, SANE_Int option);
+
+SANE_Status
+sane_control_option (SANE_Handle handle, SANE_Int option,
+ SANE_Action action, void *val, SANE_Int * info);
+
+SANE_Status
+sane_start (SANE_Handle handle);
+
+SANE_Status
+sane_get_parameters (SANE_Handle handle, SANE_Parameters * params);
+
+SANE_Status
+sane_read (SANE_Handle handle, SANE_Byte * buf,
+ SANE_Int max_len, SANE_Int * len);
+
+void
+ sane_cancel (SANE_Handle h);
+
+void
+ sane_close (SANE_Handle h);
+
+void
+ sane_exit (void);
+
+/* ------------------------------------------------------------------------- */
+
+static SANE_Status
+ attach_scanner (const char *devicename, struct sp15c **devp);
+
+static SANE_Status
+ sense_handler (int scsi_fd, u_char * result, void *arg);
+
+static int
+ request_sense_parse (u_char * sensed_data);
+
+static SANE_Status
+ sp15c_identify_scanner (struct sp15c *s);
+
+static SANE_Status
+ sp15c_do_inquiry (struct sp15c *s);
+
+static SANE_Status
+ do_scsi_cmd (int fd, unsigned char *cmd, int cmd_len, unsigned char *out, size_t out_len);
+
+static void
+ hexdump (int level, char *comment, unsigned char *p, int l);
+
+static SANE_Status
+ init_options (struct sp15c *scanner);
+
+static int
+ sp15c_check_values (struct sp15c *s);
+
+static int
+ sp15c_grab_scanner (struct sp15c *s);
+
+static int
+ sp15c_free_scanner (struct sp15c *s);
+
+static int
+ wait_scanner (struct sp15c *s);
+
+static int __sane_unused__
+ sp15c_object_position (struct sp15c *s);
+
+static SANE_Status
+ do_cancel (struct sp15c *scanner);
+
+static void
+ swap_res (struct sp15c *s);
+
+static int __sane_unused__
+ sp15c_object_discharge (struct sp15c *s);
+
+static int
+ sp15c_set_window_param (struct sp15c *s, int prescan);
+
+static size_t
+ max_string_size (const SANE_String_Const strings[]);
+
+static int
+ sp15c_start_scan (struct sp15c *s);
+
+static int
+ reader_process (void *scanner);
+
+static SANE_Status
+ do_eof (struct sp15c *scanner);
+
+static int
+ pixels_per_line (struct sp15c *s);
+
+static int
+ lines_per_scan (struct sp15c *s);
+
+static int
+ bytes_per_line (struct sp15c *s);
+
+static void
+ sp15c_trim_rowbufsize (struct sp15c *s);
+
+static int
+ sp15c_read_data_block (struct sp15c *s, unsigned int length);
+
+static SANE_Status
+ attach_one (const char *name);
+
+static void
+ adjust_width (struct sp15c *s, SANE_Int * info);
+
+static SANE_Status
+ apply_constraints (struct sp15c *s, SANE_Int opt,
+ SANE_Int * target, SANE_Word * info);
+
+static int
+ sp15c_media_check (struct sp15c *s);
+
+#endif /* SP15C_H */