sane-project-backends/backend/kvs20xx.h

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#ifndef __KVS20XX_H
#define __KVS20XX_H
/*
Copyright (C) 2008, Panasonic Russia Ltd.
Copyright (C) 2010, m. allan noah
*/
/*
Panasonic KV-S20xx USB-SCSI scanners.
*/
2010-06-15 13:49:32 +00:00
#include <sys/param.h>
#undef BACKEND_NAME
#define BACKEND_NAME kvs20xx
#define DBG_ERR 1
#define DBG_WARN 2
#define DBG_MSG 3
#define DBG_INFO 4
#define DBG_DBG 5
#define PANASONIC_ID 0x04da
#define KV_S2025C 0xdeadbeef
#define KV_S2045C 0xdeadbeee
#define KV_S2026C 0x1000
#define KV_S2046C 0x1001
#define KV_S2048C 0x1009
#define KV_S2028C 0x100a
#define USB 1
#define SCSI 2
#define MAX_READ_DATA_SIZE 0x10000
#define BULK_HEADER_SIZE 12
typedef unsigned char u8;
typedef unsigned u32;
typedef unsigned short u16;
#define SIDE_FRONT 0x00
#define SIDE_BACK 0x80
/* options */
typedef enum
{
NUM_OPTS = 0,
/* General options */
MODE_GROUP,
MODE, /* scanner modes */
RESOLUTION, /* X and Y resolution */
DUPLEX, /* Duplex mode */
FEEDER_MODE, /* Feeder mode, fixed to Continous */
LENGTHCTL, /* Length control mode */
MANUALFEED, /* Manual feed mode */
FEED_TIMEOUT, /* Feed timeout */
DBLFEED, /* Double feed detection mode */
FIT_TO_PAGE, /* Scanner shrinks image to fit scanned page */
/* Geometry group */
GEOMETRY_GROUP,
PAPER_SIZE, /* Paper size */
LANDSCAPE, /* true if landscape */
TL_X, /* upper left X */
TL_Y, /* upper left Y */
BR_X, /* bottom right X */
BR_Y, /* bottom right Y */
ADVANCED_GROUP,
BRIGHTNESS, /* Brightness */
CONTRAST, /* Contrast */
THRESHOLD, /* Binary threshold */
IMAGE_EMPHASIS, /* Image emphasis */
GAMMA_CORRECTION, /* Gamma correction */
LAMP, /* Lamp -- color drop out */
/* must come last: */
NUM_OPTIONS
} KV_OPTION;
#ifndef SANE_OPTION
typedef union
{
SANE_Bool b; /**< bool */
SANE_Word w; /**< word */
SANE_Word *wa; /**< word array */
SANE_String s; /**< string */
}
Option_Value;
#define SANE_OPTION 1
#endif
struct scanner
{
unsigned id;
int scanning;
int page;
int side;
int bus;
SANE_Int file;
SANE_Option_Descriptor opt[NUM_OPTIONS];
Option_Value val[NUM_OPTIONS];
SANE_Parameters params;
u8 *buffer;
u8 *data;
unsigned side_size;
unsigned read;
unsigned dummy_size;
unsigned saved_dummy_size;
};
struct window
{
u8 reserved[6];
u16 window_descriptor_block_length;
u8 window_identifier;
u8 reserved2;
u16 x_resolution;
u16 y_resolution;
u32 upper_left_x;
u32 upper_left_y;
u32 width;
u32 length;
u8 brightness;
u8 threshold;
u8 contrast;
u8 image_composition;
u8 bit_per_pixel;
u16 halftone_pattern;
u8 reserved3;
u16 bit_ordering;
u8 compression_type;
u8 compression_argument;
u8 reserved4[6];
u8 vendor_unique_identifier;
u8 nobuf_fstspeed_dfstop;
u8 mirror_image;
u8 image_emphasis;
u8 gamma_correction;
u8 mcd_lamp_dfeed_sens;
u8 reserved5;
u8 document_size;
u32 document_width;
u32 document_length;
u8 ahead_deskew_dfeed_scan_area_fspeed_rshad;
u8 continuous_scanning_pages;
u8 automatic_threshold_mode;
u8 automatic_separation_mode;
u8 standard_white_level_mode;
u8 b_wnr_noise_reduction;
u8 mfeed_toppos_btmpos_dsepa_hsepa_dcont_rstkr;
u8 stop_mode;
} __attribute__((__packed__));
void kvs20xx_init_options (struct scanner *);
void kvs20xx_init_window (struct scanner *s, struct window *wnd, int wnd_id);
static inline u16
swap_bytes16 (u16 x)
{
return x << 8 | x >> 8;
}
static inline u32
swap_bytes32 (u32 x)
{
return x << 24 | x >> 24 |
(x & (u32) 0x0000ff00UL) << 8 | (x & (u32) 0x00ff0000UL) >> 8;
}
static inline void
copy16 (u8 * p, u16 x)
{
memcpy (p, (u8 *) &x, sizeof (x));
}
#if __BYTE_ORDER == __BIG_ENDIAN
static inline void
set24 (u8 * p, u32 x)
{
p[2] = x >> 16;
p[1] = x >> 8;
p[0] = x >> 0;
}
#define cpu2be16(x) (x)
#define cpu2be32(x) (x)
#define cpu2le16(x) swap_bytes16(x)
#define cpu2le32(x) swap_bytes32(x)
#define le2cpu16(x) swap_bytes16(x)
#define le2cpu32(x) swap_bytes32(x)
#define be2cpu16(x) (x)
#define be2cpu32(x) (x)
#define BIT_ORDERING 0
#elif __BYTE_ORDER == __LITTLE_ENDIAN
static inline void
set24 (u8 * p, u32 x)
{
p[0] = x >> 16;
p[1] = x >> 8;
p[2] = x >> 0;
}
#define cpu2le16(x) (x)
#define cpu2le32(x) (x)
#define cpu2be16(x) swap_bytes16(x)
#define cpu2be32(x) swap_bytes32(x)
#define le2cpu16(x) (x)
#define le2cpu32(x) (x)
#define be2cpu16(x) swap_bytes16(x)
#define be2cpu32(x) swap_bytes32(x)
#define BIT_ORDERING 1
#else
#error __BYTE_ORDER not defined
#endif
#endif /*__KVS20XX_H*/