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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/plustek-pp.h
Initial import of sane-backends version 1.0.24-1.2
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diff --git a/backend/plustek-pp.h b/backend/plustek-pp.h
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+/** @file plustek-pp.h
+ * @brief Definitions for the backend.
+ *
+ * Based on Kazuhiro Sasayama previous
+ * Work on plustek.[ch] file from the SANE package.<br>
+ *
+ * original code taken from sane-0.71<br>
+ * Copyright (C) 1997 Hypercore Software Design, Ltd.<br>
+ * Copyright (C) 2001-2013 Gerhard Jaeger <gerhard@gjaeger.de>
+ *
+ * History:
+ * - 0.01 - initial version
+ * - 0.43 - bumped up version to reflect the former module code version
+ * - removed Version from ScannerCaps
+ * - added _E_FAULT
+ * - 0.44 - fix UL issues, as Long types default to int32_t now
+ * .
+ * <hr>
+ * 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.
+ * <hr>
+ */
+#ifndef __PLUSTEKPP_H__
+#define __PLUSTEKPP_H__
+
+/*.............................................................................
+ * the structures for driver communication
+ */
+typedef struct {
+ unsigned short x;
+ unsigned short y;
+} XY, *pXY;
+
+typedef struct {
+ unsigned short x;
+ unsigned short y;
+ unsigned short cx;
+ unsigned short cy;
+} CropRect, *pCropRect;
+
+typedef struct image {
+ unsigned long dwFlag;
+ CropRect crArea;
+ XY xyDpi;
+ unsigned short wDataType;
+} ImgDef, *pImgDef;
+
+typedef struct {
+ unsigned long dwPixelsPerLine;
+ unsigned long dwBytesPerLine;
+ unsigned long dwLinesPerArea;
+ struct image ImgDef;
+} CropInfo, *pCropInfo;
+
+/** definition of gamma maps
+ */
+typedef struct {
+ int len; /**< gamma table len */
+ int depth; /**< entry bit depth */
+ int map_id; /**< what map */
+ void *map; /**< pointer for map */
+} MapDef, *pMapDef;
+
+/** for offset stuff
+ */
+typedef struct {
+ int x;
+ int y;
+} OffsDef, *pOffsDef;
+
+/** useful for description tables
+ */
+typedef struct {
+ int id;
+ char *desc;
+} TabDef, *pTabDef;
+
+/** for defining the scanmodes
+ */
+typedef const struct mode_param
+{
+ int color;
+ int depth;
+ int scanmode;
+} ModeParam, *pModeParam;
+
+/**
+ */
+#define SFLAG_ADF 0x00000010 /* Automatic document feeder */
+#define SFLAG_MFP 0x00000020 /* MF-Keypad support */
+#define SFLAG_SheetFed 0x00000040 /* Sheetfed support */
+#define SFLAG_TPA 0x00000080 /* has transparency adapter */
+#define SFLAG_CUSTOM_GAMMA 0x00000200 /* driver supports custom gamma */
+
+/**
+ */
+#define SCANDEF_Inverse 0x00000001
+#define SCANDEF_UnlimitLength 0x00000002
+#define SCANDEF_StopWhenPaperOut 0x00000004
+#define SCANDEF_BoundaryDWORD 0x00000008
+#define SCANDEF_ColorBGROrder 0x00000010
+#define SCANDEF_BmpStyle 0x00000020
+#define SCANDEF_BoundaryWORD 0x00000040
+#define SCANDEF_NoMap 0x00000080 /* specified this flag will */
+ /* cause system ignores the */
+ /* siBrightness & siContrast */
+#define SCANDEF_Transparency 0x00000100 /* Scanning from transparency*/
+#define SCANDEF_Negative 0x00000200 /* Scanning from negative */
+#define SCANDEF_QualityScan 0x00000400 /* Scanning in quality mode */
+#define SCANDEF_BuildBwMap 0x00000800 /* Set default map */
+#define SCANDEF_ContinuousScan 0x00001000
+#define SCANDEF_DontBackModule 0x00002000 /* module will not back to */
+ /* home after image scanned */
+#define SCANDEF_RightAlign 0x00008000 /* 12-bit */
+
+#define SCANDEF_TPA (SCANDEF_Transparency | SCANDEF_Negative)
+
+#define SCANDEF_Adf 0x00020000 /* Scan from ADF tray */
+
+/* these values will be combined with ScannerInfo.dwFlag */
+#define _SCANNER_SCANNING 0x8000000
+#define _SCANNER_PAPEROUT 0x4000000
+
+/* for GetLensInformation */
+#if 0
+#define SOURCE_Reflection 0
+#define SOURCE_Transparency 1
+#define SOURCE_Negative 2
+#define SOURCE_ADF 3
+#endif
+
+/******************************************************************************
+ * Section 6 - additional definitions
+ */
+
+/* scan modes */
+#define COLOR_BW 0
+#define COLOR_HALFTONE 1
+#define COLOR_256GRAY 2
+#define COLOR_TRUE24 3
+#define COLOR_TRUE32 4
+#define COLOR_TRUE48 4 /* not sure if this should be the same as 32 */
+#define COLOR_TRUE36 5
+
+/* We don't support halftone mode now --> Plustek statement for USB */
+#define COLOR_GRAY16 6
+
+#define _MEASURE_BASE 300UL
+
+/** transparency/negative mode set ranges
+ */
+#define _TPAPageWidth 500U /* org. was 450 = 38.1 mm */
+#define _TPAPageHeight 510U /* org. was 460 = 38.9 mm */
+#define _TPAModeSupportMin COLOR_TRUE24
+#define _TPAModeSupportMax COLOR_TRUE48
+#define _TPAModeSupportDef COLOR_TRUE24
+#define _TPAMinDpi 150
+
+#define _NegativePageWidth 460U /* 38.9 mm */
+#define _NegativePageHeight 350U /* 29.6 mm */
+
+#define _DEF_DPI 50
+
+/*
+ * additional shared stuff between user-world and kernel mode
+ */
+#define _VAR_NOT_USED(x) ((x)=(x))
+
+/*
+ * for Gamma tables
+ */
+#define _MAP_RED 0
+#define _MAP_GREEN 1
+#define _MAP_BLUE 2
+#define _MAP_MASTER 3
+
+/*
+ * generic error codes...
+ */
+#define _OK 0
+
+#define _FIRST_ERR -9000
+
+#define _E_INIT (_FIRST_ERR-1) /* already initialized */
+#define _E_NOT_INIT (_FIRST_ERR-2) /* not initialized */
+#define _E_NULLPTR (_FIRST_ERR-3) /* internal NULL-PTR detected */
+#define _E_ALLOC (_FIRST_ERR-4) /* error allocating memory */
+#define _E_TIMEOUT (_FIRST_ERR-5) /* signals a timeout condition */
+#define _E_INVALID (_FIRST_ERR-6) /* invalid parameter detected */
+#define _E_INTERNAL (_FIRST_ERR-7) /* internal error */
+#define _E_BUSY (_FIRST_ERR-8) /* device is already in use */
+#define _E_ABORT (_FIRST_ERR-9) /* operation aborted */
+#define _E_LOCK (_FIRST_ERR-10) /* can't lock resource */
+#define _E_NOSUPP (_FIRST_ERR-11) /* feature or device not supported */
+#define _E_NORESOURCE (_FIRST_ERR-12) /* out of memo, resource busy... */
+#define _E_VERSION (_FIRST_ERR-19) /* version conflict */
+#define _E_NO_DEV (_FIRST_ERR-20) /* device does not exist */
+#define _E_NO_CONN (_FIRST_ERR-21) /* nothing connected */
+#define _E_PORTSEARCH (_FIRST_ERR-22) /* parport_enumerate failed */
+#define _E_NO_PORT (_FIRST_ERR-23) /* requested port does not exist */
+#define _E_REGISTER (_FIRST_ERR-24) /* cannot register this device */
+#define _E_SEQUENCE (_FIRST_ERR-30) /* caller sequence does not match */
+#define _E_NO_ASIC (_FIRST_ERR-31) /* can't detect ASIC */
+
+#ifdef __KERNEL__
+# define _E_FAULT (-EFAULT)
+#else
+# define _E_FAULT (_E_INTERNAL) /* should never happen in userspace */
+#endif
+
+#define _E_LAMP_NOT_IN_POS (_FIRST_ERR-40)
+#define _E_LAMP_NOT_STABLE (_FIRST_ERR-41)
+#define _E_NODATA (_FIRST_ERR-42)
+#define _E_BUFFER_TOO_SMALL (_FIRST_ERR-43)
+#define _E_DATAREAD (_FIRST_ERR-44)
+
+
+/************************ some definitions ***********************************/
+
+/* NOTE: needs to be kept in sync with table below */
+#define MODELSTR static char *ModelStr[] = { \
+ "unknown", \
+ "Primax 4800", \
+ "Primax 4800 Direct", \
+ "Primax 4800 Direct 30Bit", \
+ "Primax 9600 Direct 30Bit", \
+ "4800P", \
+ "4830P", \
+ "600P/6000P", \
+ "4831P", \
+ "9630P", \
+ "9630PL", \
+ "9636P", \
+ "A3I", \
+ "12000P/96000P", \
+ "9636P+/Turbo", \
+ "9636T/12000T", \
+ "P8", \
+ "P12", \
+ "PT12", \
+ "Genius Colorpage Vivid III V2", \
+ "USB-Device" \
+}
+
+/* the models */
+#define MODEL_OP_UNKNOWN 0 /* unknown */
+#define MODEL_PMX_4800 1 /* Primax Colorado 4800 like OP 4800 */
+#define MODEL_PMX_4800D 2 /* Primax Compact 4800 Direct, OP 600 R->G, G->R */
+#define MODEL_PMX_4800D3 3 /* Primax Compact 4800 Direct 30 */
+#define MODEL_PMX_9600D3 4 /* Primax Compact 9600 Direct 30 */
+#define MODEL_OP_4800P 5 /* 32k, 96001 ASIC, 24 bit, 300x600, 8.5x11.69 */
+#define MODEL_OP_4830P 6 /* 32k, 96003 ASIC, 30 bit, 300x600, 8.5x11.69 */
+#define MODEL_OP_600P 7 /* 32k, 96003 ASIC, 30 bit, 300x600, 8.5x11.69 */
+#define MODEL_OP_4831P 8 /* 128k, 96003 ASIC, 30 bit, 300x600, 8.5x11.69 */
+#define MODEL_OP_9630P 9 /* 128k, 96003 ASIC, 30 bit, 600x1200, 8.5x11.69 */
+#define MODEL_OP_9630PL 10 /* 128k, 96003 ASIC, 30 bit, 600x1200, 8.5x14 */
+#define MODEL_OP_9636P 11 /* 512k, 98001 ASIC, 36 bit, 600x1200, 8.5x11.69 */
+#define MODEL_OP_A3I 12 /* 128k, 96003 ASIC, 30 bit, 400x800, 11.69x17 */
+#define MODEL_OP_12000P 13 /* 128k, 96003 ASIC, 30 bit, 600x1200, 8.5x11.69 */
+#define MODEL_OP_9636PP 14 /* 512k, 98001 ASIC, 36 bit, 600x1200, 8.5x11.69 */
+#define MODEL_OP_9636T 15 /* like OP_9636PP + transparency */
+#define MODEL_OP_P8 16 /* 512k, 98003 ASIC, 36 bit, 300x600, 8.5x11.69 */
+#define MODEL_OP_P12 17 /* 512k, 98003 ASIC, 36 bit, 600x1200, 8.5x11.69 */
+#define MODEL_OP_PT12 18 /* like OP_P12 + transparency */
+#define MODEL_GEN_CPV2 19 /* Genius Colorpage Vivid III V2, ASIC 98003 */
+#define MODEL_UNKNOWN 20 /* not known/supported */
+
+#define _NO_BASE 0xFFFF
+
+/******************** from former plustek-share.h ***************************/
+
+/*
+ * for other OS than Linux, we might have to define the _IO macros
+ */
+#ifndef _IOC
+#define _IOC(dir,type,nr,size) \
+ (((dir) << 30) | \
+ ((type) << 8) | \
+ ((nr) << 0) | \
+ ((size) << 16))
+#endif
+
+#ifndef _IOC_DIR
+#define _IOC_DIR(cmd) (((cmd) >> 30) & 0x3)
+#endif
+
+#ifndef _IOC_SIZE
+#define _IOC_SIZE(cmd) (((cmd) >> 16) & 0x3FFF)
+#endif
+
+#ifndef _IOC_WRITE
+#define _IOC_WRITE 1U
+#endif
+
+#ifndef _IO
+#define _IO(type,nr) _IOC(0U,(type),(nr),0)
+#endif
+
+#ifndef _IOR
+#define _IOR(type,nr,size) _IOC(2U,(type),(nr),((UInt)sizeof(size)))
+#endif
+
+#ifndef _IOW
+#define _IOW(type,nr,size) _IOC(_IOC_WRITE,(type),(nr),((UInt)sizeof(size)))
+#endif
+
+#ifndef _IOWR
+#define _IOWR(type,nr,size) _IOC(3U,(type),(nr),((UInt)sizeof(size)))
+#endif
+
+/*.............................................................................
+ * the ioctl interface
+ */
+#define _PTDRV_OPEN_DEVICE _IOW('x', 1, unsigned short)/* open */
+#define _PTDRV_GET_CAPABILITIES _IOR('x', 2, ScannerCaps) /* get caps */
+#define _PTDRV_GET_LENSINFO _IOR('x', 3, LensInfo) /* get lenscaps */
+#define _PTDRV_PUT_IMAGEINFO _IOW('x', 4, ImgDef) /* put image info*/
+#define _PTDRV_GET_CROPINFO _IOR('x', 5, CropInfo) /* get crop */
+#define _PTDRV_SET_ENV _IOWR('x',6, ScanInfo) /* set env. */
+#define _PTDRV_START_SCAN _IOR('x', 7, StartScan) /* start scan */
+#define _PTDRV_STOP_SCAN _IOWR('x', 8, short) /* stop scan */
+#define _PTDRV_CLOSE_DEVICE _IO('x', 9) /* close */
+#define _PTDRV_ACTION_BUTTON _IOR('x', 10, unsigned char)/* rd act. button*/
+#define _PTDRV_ADJUST _IOR('x', 11, AdjDef) /* adjust driver */
+#define _PTDRV_SETMAP _IOR('x', 12, MapDef) /* download gamma*/
+
+/*
+ * this version MUST match the one inside the driver to make sure, that
+ * both sides use the same structures. This version changes each time
+ * the ioctl interface changes
+ */
+#define _PTDRV_COMPAT_IOCTL_VERSION 0x0102
+#define _PTDRV_IOCTL_VERSION 0x0104
+
+/** for adjusting the parport stuff
+ */
+typedef struct {
+ int lampOff;
+ int lampOffOnEnd;
+ int warmup;
+ int enableTpa;
+
+ OffsDef pos; /* for adjusting normal scan area */
+ OffsDef tpa; /* for adjusting transparency scan area */
+ OffsDef neg; /* for adjusting negative scan area */
+
+ /* for adjusting the default gamma settings */
+ double rgamma;
+ double ggamma;
+ double bgamma;
+
+ double graygamma;
+
+} PPAdjDef, *pPPAdjDef;
+
+/** for adjusting the scanner settings
+ */
+typedef struct {
+
+ int direct_io;
+ int mov;
+
+ int lampOff;
+ int lampOffOnEnd;
+ int warmup;
+
+ OffsDef pos; /* for adjusting normal scan area */
+ OffsDef tpa; /* for adjusting transparency scan area */
+ OffsDef neg; /* for adjusting negative scan area */
+
+ /* for adjusting the default gamma settings */
+ double rgamma;
+ double ggamma;
+ double bgamma;
+
+ double graygamma;
+
+} AdjDef, *pAdjDef;
+
+typedef struct {
+ unsigned long dwFlag; /* refer to SECTION (1.2) */
+ unsigned long dwBytesPerLine;
+ unsigned long dwLinesPerScan;
+} StartScan, *pStartScan;
+
+typedef struct {
+ unsigned short wMin; /* minimum value */
+ unsigned short wDef; /* default value */
+ unsigned short wMax; /* software maximum value */
+ unsigned short wPhyMax; /* hardware maximum value (for DPI only)*/
+} RANGE, *PRANGE;
+
+typedef struct {
+ RANGE rDataType; /* available scan modes */
+ unsigned long dwFlag; /* refer to SECTION (1.2) */
+ unsigned short wIOBase; /* refer to SECTION (1.3) */
+ unsigned short wMaxExtentX; /* scanarea width */
+ unsigned short wMaxExtentY; /* scanarea height */
+ unsigned short AsicID; /* copy of RegAsicID */
+ unsigned short Model; /* model as best we can determine */
+} ScannerCaps, *pScannerCaps;
+
+typedef struct {
+ RANGE rDpiX;
+ RANGE rDpiY;
+ RANGE rExtentX;
+ RANGE rExtentY;
+ unsigned short wBeginX; /* offset from left */
+ unsigned short wBeginY; /* offset from top */
+} LensInfo, *pLensInfo;
+
+typedef struct {
+ unsigned char* pDither;
+ void* pMap;
+ ImgDef ImgDef;
+ unsigned short wMapType; /* refer to SECTION (3.2) */
+ unsigned short wDither; /* refer to SECTION (3.3) */
+ short siBrightness; /* refer to SECTION (3.5) */
+ short siContrast; /* refer to SECTION (3.6) */
+} ScanInfo, *pScanInfo;
+
+
+/* IDs the ASIC returns */
+#define _ASIC_IS_96001 0x0f /* value for 96001 */
+#define _ASIC_IS_96003 0x10 /* value for 96003 */
+#define _ASIC_IS_98001 0x81 /* value for 98001 */
+#define _ASIC_IS_98003 0x83 /* value for 98003 */
+
+#define _Transparency48OriginOffsetX 375
+#define _Transparency48OriginOffsetY 780
+
+#define _Transparency96OriginOffsetX 0x03DB /* org. was 0x0430 */
+#define _Negative96OriginOffsetX 0x03F3 /* org. was 0x0428 */
+
+/** Scanmodes
+ */
+#define _ScanMode_Color 0
+#define _ScanMode_AverageOut 1 /* CCD averaged 2 pixels value for output*/
+#define _ScanMode_Mono 2 /* not color mode */
+
+
+#ifndef __KERNEL__
+
+
+#define PLUSTEK_CONFIG_FILE "plustek_pp.conf"
+
+#ifndef PATH_MAX
+# define PATH_MAX 1024
+#endif
+
+/*
+ * the default image size
+ */
+#define _DEFAULT_TLX 0 /* 0..216 mm */
+#define _DEFAULT_TLY 0 /* 0..297 mm */
+#define _DEFAULT_BRX 126 /* 0..216 mm*/
+#define _DEFAULT_BRY 76.21 /* 0..297 mm */
+
+#define _DEFAULT_TP_TLX 3.5 /* 0..42.3 mm */
+#define _DEFAULT_TP_TLY 10.5 /* 0..43.1 mm */
+#define _DEFAULT_TP_BRX 38.5 /* 0..42.3 mm */
+#define _DEFAULT_TP_BRY 33.5 /* 0..43.1 mm */
+
+#define _DEFAULT_NEG_TLX 1.5 /* 0..38.9 mm */
+#define _DEFAULT_NEG_TLY 1.5 /* 0..29.6 mm */
+#define _DEFAULT_NEG_BRX 37.5 /* 0..38.9 mm */
+#define _DEFAULT_NEG_BRY 25.5 /* 0..29.6 mm */
+
+/** image sizes for normal, transparent and negative modes
+ */
+#define _TP_X ((double)_TPAPageWidth/300.0 * MM_PER_INCH)
+#define _TP_Y ((double)_TPAPageHeight/300.0 * MM_PER_INCH)
+#define _NEG_X ((double)_NegativePageWidth/300.0 * MM_PER_INCH)
+#define _NEG_Y ((double)_NegativePageHeight/300.0 * MM_PER_INCH)
+
+/************************ some structures ************************************/
+
+enum {
+ OPT_NUM_OPTS = 0,
+ OPT_MODE_GROUP,
+ OPT_MODE,
+ OPT_EXT_MODE,
+ OPT_RESOLUTION,
+ OPT_PREVIEW,
+ OPT_GEOMETRY_GROUP,
+ OPT_TL_X,
+ OPT_TL_Y,
+ OPT_BR_X,
+ OPT_BR_Y,
+ OPT_ENHANCEMENT_GROUP,
+ OPT_HALFTONE,
+ OPT_BRIGHTNESS,
+ OPT_CONTRAST,
+ OPT_CUSTOM_GAMMA,
+ OPT_GAMMA_VECTOR,
+ OPT_GAMMA_VECTOR_R,
+ OPT_GAMMA_VECTOR_G,
+ OPT_GAMMA_VECTOR_B,
+ NUM_OPTIONS
+};
+
+/** for compatiblity to version 0x0102 drivers
+ */
+typedef struct {
+
+ int lampOff;
+ int lampOffOnEnd;
+ int warmup;
+
+ OffsDef pos; /* for adjusting normal scan area */
+ OffsDef tpa; /* for adjusting transparency scan area */
+ OffsDef neg; /* for adjusting negative scan area */
+
+} CompatAdjDef, *pCompatAdjDef;
+
+/**
+ */
+typedef struct Plustek_Device
+{
+ SANE_Int initialized; /* device already initialized? */
+ struct Plustek_Device *next; /* pointer to next dev in list */
+ int fd; /* device handle */
+ char *name; /* (to avoid compiler warnings!)*/
+ SANE_Device sane; /* info struct */
+ SANE_Int max_x; /* max XY-extension of the scan-*/
+ SANE_Int max_y; /* area */
+ SANE_Range dpi_range; /* resolution range */
+ SANE_Range x_range; /* x-range of the scan-area */
+ SANE_Range y_range; /* y-range of the scan-area */
+ SANE_Int *res_list; /* to hold the available phys. */
+ SANE_Int res_list_size; /* resolution values */
+ ScannerCaps caps; /* caps reported by the driver */
+ AdjDef adj; /* for driver adjustment */
+
+ /*
+ * each device we support may need other access functions...
+ */
+ int (*open) ( const char*, void* );
+ int (*close) ( struct Plustek_Device* );
+ void (*shutdown) ( struct Plustek_Device* );
+ int (*getCaps) ( struct Plustek_Device* );
+ int (*getLensInfo)( struct Plustek_Device*, pLensInfo );
+ int (*getCropInfo)( struct Plustek_Device*, pCropInfo );
+ int (*putImgInfo) ( struct Plustek_Device*, pImgDef );
+ int (*setScanEnv) ( struct Plustek_Device*, pScanInfo );
+ int (*setMap) ( struct Plustek_Device*, SANE_Word*,
+ SANE_Word, SANE_Word );
+ int (*startScan) ( struct Plustek_Device*, pStartScan );
+ int (*stopScan) ( struct Plustek_Device*, short* );
+ int (*readImage) ( struct Plustek_Device*, SANE_Byte*, unsigned long );
+
+ int (*prepare) ( struct Plustek_Device*, SANE_Byte* );
+ int (*readLine) ( struct Plustek_Device* );
+
+} Plustek_Device, *pPlustek_Device;
+
+#ifndef SANE_OPTION
+/* for compatibility with older versions */
+typedef union
+{
+ SANE_Word w;
+ SANE_Word *wa; /* word array */
+ SANE_String s;
+} Option_Value;
+#endif
+
+typedef struct Plustek_Scanner
+{
+ struct Plustek_Scanner *next;
+ SANE_Pid reader_pid; /* process id of reader */
+ SANE_Status exit_code; /* status of the reader process */
+ int r_pipe; /* pipe to reader process */
+ int w_pipe; /* pipe from reader process */
+ unsigned long bytes_read; /* number of bytes currently read*/
+ Plustek_Device *hw; /* pointer to current device */
+ Option_Value val[NUM_OPTIONS];
+ SANE_Byte *buf; /* the image buffer */
+ SANE_Bool scanning; /* TRUE during scan-process */
+ SANE_Parameters params; /* for keeping the parameter */
+
+ /************************** gamma tables *********************************/
+
+ SANE_Word gamma_table[4][4096];
+ SANE_Range gamma_range;
+ int gamma_length;
+
+ SANE_Option_Descriptor opt[NUM_OPTIONS];
+
+} Plustek_Scanner, *pPlustek_Scanner;
+
+/** for collecting configuration info...
+ */
+typedef struct {
+
+ char devName[PATH_MAX];
+
+ /* contains the stuff to adjust... */
+ AdjDef adj;
+
+} CnfDef, *pCnfDef;
+#endif /* guard __KERNEL__ */
+
+#endif /* guard __PLUSTEKPP_H__ */
+
+/* END PLUSTEK-PP.H .........................................................*/