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Copyright (C) 2003 Oliver Rauch
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Copyright (C) 2003, 2004 Henning Meier-Geinitz <henning@meier-geinitz.de>
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Copyright (C) 2004, 2005 Gerhard Jaeger <gerhard@gjaeger.de>
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Copyright (C) 2004-2010 St�phane Voltz <stef.dev@free.fr>
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Copyright (C) 2004-2012 St�phane Voltz <stef.dev@free.fr>
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Copyright (C) 2005-2009 Pierre Willenbrock <pierre@pirsoft.dnsalias.org>
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Copyright (C) 2006 Laurent Charpentier <laurent_pubs@yahoo.com>
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Parts of the structs have been taken from the gt68xx backend by
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#ifndef GENESYS_LOW_H
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#define GENESYS_LOW_H
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#include "../include/sane/config.h"
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#include <stddef.h>
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#ifdef HAVE_SYS_TIME_H
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#include <sys/time.h>
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#ifdef HAVE_SYS_TYPES_H
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#include <sys/types.h>
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#include <sys/types.h>
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#include "../include/sane/sane.h"
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#include "../include/sane/sanei.h"
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#include "../include/sane/saneopts.h"
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#include "../include/sane/sanei_backend.h"
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#include "../include/sane/sanei_usb.h"
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#include "../include/_stdint.h"
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#define DBG_error0 0 /* errors/warnings printed even with devuglevel 0 */
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#define DBG_error 1 /* fatal errors */
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#define GENESYS_FLAG_LAZY_INIT (1 << 2) /**> skip extensive ASIC test at init */
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#define GENESYS_FLAG_XPA (1 << 3)
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#define GENESYS_FLAG_SKIP_WARMUP (1 << 4) /**> skip genesys_warmup() */
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#define GENESYS_FLAG_OFFSET_CALIBRATION (1 << 5) /**> do offset calibration */
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/** @brief offset calibration flag
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* signals that the scanner does offset calibration. In this case off_calibration() and
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* coarse_gain_calibration() functions must be implemented
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#define GENESYS_FLAG_OFFSET_CALIBRATION (1 << 5)
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#define GENESYS_FLAG_SEARCH_START (1 << 6) /**> do start search before scanning */
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#define GENESYS_FLAG_REPARK (1 << 7) /**> repark head (and check for lock) by
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moving without scanning */
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#define GENESYS_FLAG_MUST_WAIT (1 << 10) /**> tells wether the scanner must wait for the head when parking */
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#define GENESYS_FLAG_ALT_SLOPE_CREATE (1 << 11) /**> use alternative slope creation function */
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#define GENESYS_FLAG_HAS_UTA (1 << 11) /**> scanner has a transparency adapter */
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#define GENESYS_FLAG_DARK_WHITE_CALIBRATION (1 << 12) /**> yet another calibration method. does white and dark shading in one run, depending on a black and a white strip*/
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#define GENESYS_FLAG_CUSTOM_GAMMA (1 << 13) /**> allow custom gamma tables */
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#define GENESYS_FLAG_NO_CALIBRATION (1 << 14) /**> allow scanners to use skip the calibration, needed for sheetfed scanners */
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#define GENESYS_FLAG_HALF_CCD_MODE (1 << 15) /**> scanner has setting for half ccd mode */
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#define GENESYS_FLAG_ODD_EVEN_CIS (1 << 16) /**> scan odd and even pixels come in separated lines */
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#define GENESYS_FLAG_SIS_SENSOR (1 << 16) /**> handling of multi-segments sensors in software */
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#define GENESYS_FLAG_SHADING_NO_MOVE (1 << 17) /**> scanner doesn't move sensor during shading calibration */
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#define GENESYS_FLAG_SHADING_REPARK (1 << 18) /**> repark head between shading scans */
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#define GENESYS_HAS_NO_BUTTONS 0 /**> scanner has no supported button */
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#define GENESYS_HAS_SCAN_SW (1 << 0) /**> scanner has SCAN button */
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SANE_Status (*send_shading_data) (Genesys_Device * dev, uint8_t * data, int size);
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* calculate current scan setup
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SANE_Status (*calculate_current_setup) (Genesys_Device * dev);
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} Genesys_Command_Set;
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/** @brief structure to describe a scanner model
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* This structure describes a model. It is composed of information on the
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* sensor, the motor, scanner geometry and flags to drive operation.
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typedef struct Genesys_Model
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SANE_String_Const name;
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Genesys_Buffer lines_buffer;
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Genesys_Buffer shrink_buffer;
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Genesys_Buffer out_buffer;
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size_t read_bytes_left; /* bytes to read from scanner */
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size_t total_bytes_read; /* total bytes read sent to frontend */
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size_t total_bytes_to_read; /* total bytes read to be sent to frontend */
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size_t wpl; /* asic's word per line */
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Genesys_Buffer binarize_buffer; /**> buffer for digital lineart from gray data */
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Genesys_Buffer local_buffer; /**> local buffer for gray data during dynamix lineart */
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size_t read_bytes_left; /**> bytes to read from scanner */
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size_t total_bytes_read; /**> total bytes read sent to frontend */
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size_t total_bytes_to_read; /**> total bytes read to be sent to frontend */
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size_t wpl; /**> asic's word per line */
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Genesys_Current_Setup current_setup; /* contains the real used values */
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struct Genesys_Device *next;
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SANE_Int ld_shift_r; /**> used red line-distance shift*/
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SANE_Int ld_shift_g; /**> used green line-distance shift*/
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SANE_Int ld_shift_b; /**> used blue line-distance shift*/
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int segnb; /**> number of segments composing the sensor */
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int line_interp; /**> number of lines used in line interpolation */
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int line_count; /**> number of scan lines used during scan */
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size_t bpl; /**> bytes per full scan widthline */
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size_t skip; /**> bytes to skip from start of line to get first required pixel */
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size_t dist; /**> bytes distance between an odd and an even pixel */
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size_t len; /**> number of even pixels */
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size_t cur; /**> current pixel position within sub window */
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size_t skip; /**> number of bytes to skip at start of line */
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size_t *order; /**> array describing the order of the sub-segments of the sensor */
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Genesys_Buffer oe_buffer; /**> buffer to handle even/odd data */
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SANE_Bool buffer_image; /**> when true the scanned picture is first buffered
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* to allow software image enhancements */
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SANE_Byte *img_buffer; /**> image buffer where the scanned picture is stored */
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FILE *binary; /**> binary logger file */
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typedef struct Genesys_USB_Device_Entry
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Genesys_Model *model; /**< Scanner model information */
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} Genesys_USB_Device_Entry;
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* structure for motor database
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int motor_type; /**> motor id */
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int exposure; /**> exposure for the slope table */
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int step_type; /**> default step type for given exposure */
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uint32_t *table; /**> 0 terminated slope table at full step */
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#define QUARTER_STEP 2
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#define EIGHTH_STEP 3
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#define SLOPE_TABLE_SIZE 1024
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#define SCAN_TABLE 0 /* table 1 at 0x4000 for gl124 */
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#define BACKTRACK_TABLE 1 /* table 2 at 0x4800 for gl124 */
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#define STOP_TABLE 2 /* table 3 at 0x5000 for gl124 */
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#define FAST_TABLE 3 /* table 4 at 0x5800 for gl124 */
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#define HOME_TABLE 4 /* table 5 at 0x6000 for gl124 */
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#define SCAN_FLAG_SINGLE_LINE 0x001
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#define SCAN_FLAG_DISABLE_SHADING 0x002
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#define SCAN_FLAG_DISABLE_GAMMA 0x004
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#define SCAN_FLAG_DISABLE_BUFFER_FULL_MOVE 0x008
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#define SCAN_FLAG_IGNORE_LINE_DISTANCE 0x010
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#define SCAN_FLAG_USE_OPTICAL_RES 0x020
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#define SCAN_FLAG_DISABLE_LAMP 0x040
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#define SCAN_FLAG_DYNAMIC_LINEART 0x080
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#define SCAN_FLAG_CALIBRATION 0x100
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#define SCAN_FLAG_FEEDING 0x200
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#define SCAN_FLAG_USE_XPA 0x400
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#define MOTOR_FLAG_AUTO_GO_HOME 0x01
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#define MOTOR_FLAG_DISABLE_BUFFER_FULL_MOVE 0x02
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#define MOTOR_FLAG_FEED 0x04
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#define MOTOR_FLAG_USE_XPA 0x08
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#define OPTICAL_FLAG_DISABLE_GAMMA 0x01
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#define OPTICAL_FLAG_DISABLE_SHADING 0x02
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#define OPTICAL_FLAG_DISABLE_LAMP 0x04
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#define OPTICAL_FLAG_ENABLE_LEDADD 0x08
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#define OPTICAL_FLAG_DISABLE_DOUBLE 0x10
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#define OPTICAL_FLAG_STAGGER 0x20
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#define OPTICAL_FLAG_USE_XPA 0x40
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/*--------------------------------------------------------------------------*/
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/* common functions needed by low level specific functions */
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/*--------------------------------------------------------------------------*/
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extern SANE_Status
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sanei_genesys_wait_for_home(Genesys_Device *dev);
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int sanei_genesys_compute_dpihw(Genesys_Device *dev, int xres);
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Motor_Profile *sanei_genesys_get_motor_profile(Motor_Profile *motors, int motor_type, int exposure);
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int sanei_genesys_compute_step_type(Motor_Profile *motors, int motor_type, int exposure);
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int sanei_genesys_slope_table(uint16_t *slope, int *steps, int dpi, int exposure, int base_dpi, int step_type, int factor, int motor_type, Motor_Profile *motors);
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/** @brief find lowest motor resolution for the device.
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* Parses the resolution list for motor and
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* returns the lowest value.
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* @param device for which to find the lowest motor resolution
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* @return the lowest available motor resolution for the device
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int sanei_genesys_get_lowest_ydpi(Genesys_Device *dev);
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/** @brief find lowest resolution for the device.
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* Parses the resolution list for motor and sensor and
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* returns the lowest value.
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* @param device for which to find the lowest resolution
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* @return the lowest available resolution for the device
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int sanei_genesys_get_lowest_dpi(Genesys_Device *dev);
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* reads previously cached calibration data
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sanei_genesys_read_calibration (Genesys_Device * dev);
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sanei_genesys_is_compatible_calibration (Genesys_Device * dev,
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Genesys_Calibration_Cache * cache,
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/** @brief compute maximum line distance shift
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* compute maximum line distance shift for the motor and sensor
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* combination. Line distance shift is the distance between different
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* color component of CCD sensors. Since these components aren't at
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* the same physical place, they scan diffrent lines. Software must
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* take this into account to accurately mix color data.
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* @param dev device session to compute max_shift for
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* @param channels number of color channels for the scan
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* @param yres motor resolution used for the scan
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* @param flags scan flags
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* @return 0 or line distance shift
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int sanei_genesys_compute_max_shift(Genesys_Device *dev,
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/*---------------------------------------------------------------------------*/
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/* ASIC specific functions declarations */
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/*---------------------------------------------------------------------------*/
added
removed
backend/genesys_low.h
