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/*
* epson2.c - SANE library for Epson scanners.
*
* Based on Kazuhiro Sasayama previous
* Work on epson.[ch] file from the SANE package.
* Please see those files for additional copyrights.
*
* Copyright (C) 2006-07 Tower Technologies
* Author: Alessandro Zummo <a.zummo@towertech.it>
*
* 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, version 2.
*/
/* some defines to make handling the TPU easier */
#define FILM_TYPE_NEGATIVE (1L << 0)
#define FILM_TYPE_SLIDE (1L << 1)
#define e2_model(s,m) e2_dev_model((s)->hw,(m))
extern int sanei_scsi_max_request_size;
extern int *gamma_params;
extern void e2_dev_init(Epson_Device *dev, const char *devname, int conntype);
extern SANE_Status e2_dev_post_init(struct Epson_Device *dev);
extern SANE_Bool e2_dev_model(Epson_Device *dev, const char *model);
extern void e2_set_cmd_level(SANE_Handle handle, unsigned char *level);
extern SANE_Status e2_set_model(Epson_Scanner *s, unsigned char *model, size_t len);
extern SANE_Status e2_add_resolution(Epson_Device *dev, int r);
extern void e2_set_fbf_area(Epson_Scanner *s, int x, int y, int unit);
extern void e2_set_adf_area(struct Epson_Scanner *s, int x, int y, int unit);
extern void e2_set_tpu_area(struct Epson_Scanner *s, int x, int y, int unit);
extern void e2_set_tpu2_area(struct Epson_Scanner *s, int x, int y, int unit);
extern void e2_add_depth(Epson_Device *dev, SANE_Word depth);
extern SANE_Status e2_discover_capabilities(Epson_Scanner *s);
extern SANE_Status e2_set_extended_scanning_parameters(Epson_Scanner *s);
extern SANE_Status e2_set_scanning_parameters(Epson_Scanner *s);
extern void e2_setup_block_mode(Epson_Scanner *s);
extern SANE_Status e2_init_parameters(Epson_Scanner *s);
extern void e2_wait_button(Epson_Scanner *s);
extern SANE_Status e2_check_warm_up(Epson_Scanner *s, SANE_Bool *wup);
extern SANE_Status e2_wait_warm_up(Epson_Scanner *s);
extern SANE_Status e2_check_adf(Epson_Scanner *s);
extern SANE_Status e2_start_std_scan(Epson_Scanner *s);
extern SANE_Status e2_start_ext_scan(Epson_Scanner *s);
extern void e2_scan_finish(Epson_Scanner *s);
extern void e2_copy_image_data(Epson_Scanner *s, SANE_Byte *data, SANE_Int max_length,
SANE_Int *length);
extern SANE_Status e2_ext_read(struct Epson_Scanner *s);
extern SANE_Status e2_block_read(struct Epson_Scanner *s);
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