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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/umax_pp_mid.c
Initial import of sane-backends version 1.0.24-1.2
Diffstat (limited to 'backend/umax_pp_mid.c')
-rw-r--r--backend/umax_pp_mid.c475
1 files changed, 475 insertions, 0 deletions
diff --git a/backend/umax_pp_mid.c b/backend/umax_pp_mid.c
new file mode 100644
index 0000000..ee8d98d
--- /dev/null
+++ b/backend/umax_pp_mid.c
@@ -0,0 +1,475 @@
+/* sane - Scanner Access Now Easy.
+ Copyright (C) 2001-2012 Stéphane Voltz <stef.dev@free.fr>
+ 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 Umax PP flatbed scanners. */
+
+#define DEBUG_DECLARE_ONLY
+#undef BACKEND_NAME
+#define BACKEND_NAME umax_pp
+
+#include "../include/sane/config.h"
+#include <stdlib.h>
+#include <string.h>
+#ifdef HAVE_UNISTD_H
+#include <unistd.h>
+#endif
+#include <stdio.h>
+#include "../include/sane/sanei_debug.h"
+
+#define __MAIN__
+
+
+#include "umax_pp_mid.h"
+
+/* this function locks the parallel port so that other devices */
+/* won't interfere. Returns UMAX1220P_BUSY is port cannot be */
+/* lock or UMAX1220P_OK if it is locked */
+static int locked = 0;
+#ifdef HAVE_LINUX_PPDEV_H
+static int exmode = IEEE1284_MODE_COMPAT;
+static int exflags = 0;
+#endif
+
+static int
+lock_parport (void)
+{
+#ifdef HAVE_LINUX_PPDEV_H
+ int mode, fd;
+#endif
+
+ DBG_INIT ();
+ DBG (3, "lock_parport\n");
+
+#ifdef HAVE_LINUX_PPDEV_H
+ fd = sanei_umax_pp_getparport ();
+ if ((fd > 0) && (!locked))
+ {
+ if (ioctl (sanei_umax_pp_getparport (), PPCLAIM))
+ {
+ return UMAX1220P_BUSY;
+ }
+#ifdef PPGETMODE
+ if (ioctl (fd, PPGETMODE, &exmode))
+ exmode = IEEE1284_MODE_COMPAT;
+ if (ioctl (fd, PPGETFLAGS, &exflags))
+ exflags = 0;
+#endif
+ mode = IEEE1284_MODE_EPP;
+ ioctl (fd, PPNEGOT, &mode);
+ ioctl (fd, PPSETMODE, &mode);
+ locked = 1;
+ }
+#else
+ locked = 1;
+#endif
+ return UMAX1220P_OK;
+}
+
+
+/* this function release parport */
+static int
+unlock_parport (void)
+{
+#ifdef HAVE_LINUX_PPDEV_H
+ int fd, mode;
+
+ fd = sanei_umax_pp_getparport ();
+ if ((fd > 0) && (locked))
+ {
+ mode = IEEE1284_MODE_COMPAT;
+ ioctl (fd, PPNEGOT, &mode);
+ ioctl (fd, PPSETMODE, &exmode);
+#ifdef PPSETFLAGS
+ ioctl (fd, PPSETFLAGS, &exflags);
+#endif
+ ioctl (fd, PPRELEASE);
+ locked = 1;
+ }
+#endif
+ DBG (3, "unlock_parport\n");
+ locked = 0;
+ return UMAX1220P_OK;
+}
+
+
+
+
+/*
+ *
+ * This function recognize the scanner model by sending an image
+ * filter command. 1220P will use it as is, but 2000P will return
+ * it back modified.
+ *
+ */
+int
+sanei_umax_pp_model (int port, int *model)
+{
+ int recover = 0, rc;
+
+ /* set up port */
+ DBG (3, "sanei_umax_pp_model\n");
+ sanei_umax_pp_setport (port);
+ if (lock_parport () == UMAX1220P_BUSY)
+ return UMAX1220P_BUSY;
+
+ /* init transport layer */
+ /* 0: failed
+ 1: success
+ 2: retry
+ 3: busy
+ */
+ do
+ {
+ rc = sanei_umax_pp_initTransport (recover);
+ }
+ while (rc == 2);
+
+ if (rc == 3)
+ {
+ unlock_parport ();
+ return UMAX1220P_BUSY;
+ }
+ if (rc != 1)
+ {
+ DBG (0, "sanei_umax_pp_initTransport() failed (%s:%d)\n", __FILE__,
+ __LINE__);
+ unlock_parport ();
+ return UMAX1220P_TRANSPORT_FAILED;
+ }
+
+ /* check model only, and if only none given in conf file */
+ if (!sanei_umax_pp_getastra ())
+ {
+ rc = sanei_umax_pp_checkModel ();
+ }
+ else
+ {
+ rc = sanei_umax_pp_getastra ();
+ }
+ sanei_umax_pp_endSession ();
+ unlock_parport ();
+ if (rc < 600)
+ {
+ DBG (0, "sanei_umax_pp_CheckModel() failed (%s:%d)\n", __FILE__,
+ __LINE__);
+ return UMAX1220P_PROBE_FAILED;
+ }
+ *model = rc;
+
+
+ /* OK */
+ return UMAX1220P_OK;
+}
+
+int
+sanei_umax_pp_attach (int port, char *name)
+{
+ int recover = 0;
+
+ /* set up port */
+ if (name == NULL)
+ {
+ DBG (3, "sanei_umax_pp_attach(%d,NULL)\n", port);
+ }
+ else
+ {
+ DBG (3, "sanei_umax_pp_attach(%d,%s)\n", port, name);
+ }
+
+ sanei_umax_pp_setport (port);
+ if (sanei_umax_pp_initPort (port, name) != 1)
+ return UMAX1220P_PROBE_FAILED;
+
+ /* init port locks the port, so we flag that */
+ locked = 1;
+
+ if (sanei_umax_pp_probeScanner (recover) != 1)
+ {
+ if (recover)
+ {
+ sanei_umax_pp_initTransport (recover);
+ sanei_umax_pp_endSession ();
+ if (sanei_umax_pp_probeScanner (recover) != 1)
+ {
+ DBG (0, "Recover failed ....\n");
+ unlock_parport ();
+ return UMAX1220P_PROBE_FAILED;
+ }
+ }
+ else
+ {
+ unlock_parport ();
+ return UMAX1220P_PROBE_FAILED;
+ }
+ }
+ sanei_umax_pp_endSession ();
+ unlock_parport ();
+
+
+ /* OK */
+ return UMAX1220P_OK;
+}
+
+
+int
+sanei_umax_pp_open (int port, char *name)
+{
+ int rc;
+ int recover = 0;
+
+ /* set up port */
+ DBG (3, "sanei_umax_pp_open\n");
+
+ if (name == NULL)
+ sanei_umax_pp_setport (port);
+
+ if (lock_parport () == UMAX1220P_BUSY)
+ return UMAX1220P_BUSY;
+
+ /* init transport layer */
+ /* 0: failed
+ 1: success
+ 2: retry
+ 3: scanner busy
+ */
+ do
+ {
+ rc = sanei_umax_pp_initTransport (recover);
+ }
+ while (rc == 2);
+
+ if (rc == 3)
+ {
+ unlock_parport ();
+ return UMAX1220P_BUSY;
+ }
+
+ if (rc != 1)
+ {
+
+ DBG (0, "sanei_umax_pp_initTransport() failed (%s:%d)\n", __FILE__,
+ __LINE__);
+ unlock_parport ();
+ return UMAX1220P_TRANSPORT_FAILED;
+ }
+ /* init scanner */
+ if (sanei_umax_pp_initScanner (recover) == 0)
+ {
+ DBG (0, "sanei_umax_pp_initScanner() failed (%s:%d)\n", __FILE__,
+ __LINE__);
+ sanei_umax_pp_endSession ();
+ unlock_parport ();
+ return UMAX1220P_SCANNER_FAILED;
+ }
+
+ /* OK */
+ unlock_parport ();
+ return UMAX1220P_OK;
+}
+
+
+int
+sanei_umax_pp_cancel (void)
+{
+ DBG (3, "sanei_umax_pp_cancel\n");
+ if (lock_parport () == UMAX1220P_BUSY)
+ return UMAX1220P_BUSY;
+
+ /* maybe EPAT reset here if exists */
+ sanei_umax_pp_cmdSync (0xC2);
+ sanei_umax_pp_cmdSync (0x00);
+ sanei_umax_pp_cmdSync (0x00);
+ if (sanei_umax_pp_park () == 0)
+ {
+ DBG (0, "sanei_umax_pp_park failed !!! (%s:%d)\n", __FILE__, __LINE__);
+ unlock_parport ();
+ return UMAX1220P_PARK_FAILED;
+ }
+ /* endSession() cancels any pending command */
+ /* such as parking ...., so we only return */
+ unlock_parport ();
+ return UMAX1220P_OK;
+}
+
+
+
+int
+sanei_umax_pp_start (int x, int y, int width, int height, int dpi, int color,
+ int autoset,
+ int gain, int offset, int *rbpp, int *rtw,
+ int *rth)
+{
+ int col = BW_MODE;
+
+ DBG (3, "sanei_umax_pp_start\n");
+ if (lock_parport () == UMAX1220P_BUSY)
+ return UMAX1220P_BUSY;
+ /* end session isn't done by cancel any more */
+ sanei_umax_pp_endSession ();
+
+ if (autoset)
+ sanei_umax_pp_setauto (1);
+ else
+ sanei_umax_pp_setauto (0);
+
+ switch (color)
+ {
+ case 0:
+ col = BW2_MODE;
+ break;
+ case 1:
+ col = BW_MODE;
+ break;
+ case 2:
+ col = RGB_MODE;
+ break;
+ }
+
+ if (sanei_umax_pp_startScan
+ (x + sanei_umax_pp_getLeft (), y, width, height, dpi, col, gain,
+ offset, rbpp, rtw, rth) != 1)
+ {
+ sanei_umax_pp_endSession ();
+ unlock_parport ();
+ return UMAX1220P_START_FAILED;
+ }
+ unlock_parport ();
+ return UMAX1220P_OK;
+}
+
+int
+sanei_umax_pp_read (long len, int window, int dpi, int last,
+ unsigned char *buffer)
+{
+ int read = 0;
+ int bytes;
+
+ DBG (3, "sanei_umax_pp_read\n");
+ if (lock_parport () == UMAX1220P_BUSY)
+ return UMAX1220P_BUSY;
+
+ /* since 610P may override len and last to meet its */
+ /* hardware requirements, we have to loop until we */
+ /* have all the data */
+ while (read < len)
+ {
+ bytes =
+ sanei_umax_pp_readBlock (len - read, window, dpi, last,
+ buffer + read);
+ if (bytes == 0)
+ {
+ sanei_umax_pp_endSession ();
+ return UMAX1220P_READ_FAILED;
+ }
+ read += bytes;
+ }
+ unlock_parport ();
+ return UMAX1220P_OK;
+}
+
+
+
+int
+sanei_umax_pp_lamp (int on)
+{
+ /* init transport layer */
+ DBG (3, "sanei_umax_pp_lamp\n");
+
+ /* no lamp support for 610P ... */
+ if (sanei_umax_pp_getastra () < 1210)
+ return UMAX1220P_OK;
+
+ if (lock_parport () == UMAX1220P_BUSY)
+ return UMAX1220P_BUSY;
+
+ if (sanei_umax_pp_setLamp (on) == 0)
+ {
+ DBG (0, "Setting lamp state failed!\n");
+ }
+
+ unlock_parport ();
+ return UMAX1220P_OK;
+}
+
+
+
+
+int
+sanei_umax_pp_status (void)
+{
+ int status;
+
+ DBG (3, "sanei_umax_pp_status\n");
+ if (lock_parport () == UMAX1220P_BUSY)
+ return UMAX1220P_BUSY;
+ /* check if head is at home */
+ sanei_umax_pp_cmdSync (0x40);
+ status = sanei_umax_pp_scannerStatus ();
+ unlock_parport ();
+ DBG (8, "sanei_umax_pp_status=0x%02X\n", status);
+ if (((status & ASIC_BIT) != 0x00)||((status & MOTOR_BIT) == 0x00))
+ return UMAX1220P_BUSY;
+
+ return UMAX1220P_OK;
+}
+
+int
+sanei_umax_pp_close ()
+{
+#ifdef HAVE_LINUX_PPDEV_H
+ int fd;
+#endif
+
+ DBG (3, "sanei_umax_pp_close\n");
+
+ lock_parport ();
+ sanei_umax_pp_endSession ();
+ unlock_parport ();
+
+#ifdef HAVE_LINUX_PPDEV_H
+ fd = sanei_umax_pp_getparport ();
+ if (fd > 0)
+ {
+ close (fd);
+ sanei_umax_pp_setparport (0);
+ }
+#endif
+ return UMAX1220P_OK;
+}