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Diffstat (limited to 'backend/umax_pp_mid.h')
| -rw-r--r-- | backend/umax_pp_mid.h | 191 |
1 files changed, 191 insertions, 0 deletions
diff --git a/backend/umax_pp_mid.h b/backend/umax_pp_mid.h new file mode 100644 index 0000000..32245c6 --- /dev/null +++ b/backend/umax_pp_mid.h @@ -0,0 +1,191 @@ +/* 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. */ + +#ifdef HAVE_LINUX_PPDEV_H +#include <linux/parport.h> +#include <linux/ppdev.h> +#include <sys/ioctl.h> +#endif + +#include "umax_pp_low.h" + +#ifndef _UMAX1220P_ +#define _UMAX1220P_ + +#define UMAX1220P_OK 0 +#define UMAX1220P_NOSCANNER 1 +#define UMAX1220P_TRANSPORT_FAILED 2 +#define UMAX1220P_PROBE_FAILED 3 +#define UMAX1220P_SCANNER_FAILED 4 +#define UMAX1220P_PARK_FAILED 5 +#define UMAX1220P_START_FAILED 6 +#define UMAX1220P_READ_FAILED 7 +#define UMAX1220P_BUSY 8 + +/* + probes the port for an umax1220p scanner + initialize transport layer + probe scanner + + if name is null, direct I/O is attempted to address given in port + else ppdev is tried using the given name as device + + on success returns UMAX1220P_OK, + else one of the error above. + +*/ + +extern int sanei_umax_pp_attach (int port, char *name); + +/* + recognizes 1220P from 2000P + + on success returns UMAX1220P_OK, + else one of the error above. + +*/ + +extern int sanei_umax_pp_model (int port, int *model); + + +/* +if on=1 -> lights scanner lamp +if on=0 -> lights off scanner lamp + + on success returns UMAX1220P_OK, + else one of the error above. +*/ + +extern int sanei_umax_pp_lamp (int on); + + + +/* + probes the port for an umax1220p scanner + initialize transport layer + initialize scanner + + on succes returns UMAX1220P_OK, + else one of the error above. + + port: addr when doing direc I/O + name: ppdev character device name + +*/ + +extern int sanei_umax_pp_open (int port, char *name); + + + +/* + release any ressource acquired during open + since there may be only one scanner, no port parameter +*/ +extern int sanei_umax_pp_close (void); + + + + +/* + stops any pending action, then parks the head +*/ +extern int sanei_umax_pp_cancel (void); + +/* starts scanning: + - find scanner origin + - does channel gain calibration if needed + - does calibration + - initialize scan operation + + x, y, width and height are expressed in 600 dpi unit + + dpi must be 75, 150, 300, 600 or 1200 + + color is true for color scan, false for gray-levels + + gain value is 256*red_gain+16*green_gain+blue_gain + if gain is given (ie <> 0), auto gain will not be performed + + + + returns UMAX1220P_OK on success, or one of the error above + if successful, rbpp holds bytes/pixel, rth the height and rtw + the width of scanned area expressed in pixels +*/ +extern 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); + + +/* reads one block of data from scanner + returns UMAX1220P_OK on success, or UMAX1220P_READ_FAILED on error + it also sets internal cancel flag on error + + len if the length of the block needed + window if the width in pixels of the scanned area + dpi is the resolution, it is used to choose the best read method + last is true if it is the last block of the scan + buffer will hold the data read +*/ +extern int sanei_umax_pp_read (long len, int window, int dpi, int last, + unsigned char *buffer); + + + +/* get ASIC status from scanner + returns UMAX1220P_OK if scanner idle, or UMAX1220P_BUSY if + scanner's motor is on +*/ +extern int sanei_umax_pp_status (void); + +/* set auto calibration 0: no, else yes */ +extern void sanei_umax_pp_setauto (int mode); + +/* set umax astra model number */ +extern void sanei_umax_pp_setastra (int val); + +/* set gamma tables */ +extern void sanei_umax_pp_gamma (int *red, int *green, int *blue); + +/* sets coordinate of first usable left pixel */ +extern int sanei_umax_pp_getLeft (void); +#endif |