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scsi_scanner.h revision 1.3 
      1 /*
      2  * Copyright (c) 1995 Kenneth Stailey.  All rights reserved.
      3  *   modified for configurable scanner support by Joachim Koenig
      4  *
      5  * Redistribution and use in source and binary forms, with or without
      6  * modification, are permitted provided that the following conditions
      7  * are met:
      8  * 1. Redistributions of source code must retain the above copyright
      9  *    notice, this list of conditions and the following disclaimer.
     10  * 2. Redistributions in binary form must reproduce the above copyright
     11  *    notice, this list of conditions and the following disclaimer in the
     12  *    documentation and/or other materials provided with the distribution.
     13  * 3. All advertising materials mentioning features or use of this software
     14  *    must display the following acknowledgement:
     15  *	This product includes software developed by Kenneth Stailey.
     16  * 4. The name of the author may not be used to endorse or promote products
     17  *    derived from this software without specific prior written permission.
     18  *
     19  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
     20  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
     21  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
     22  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
     23  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
     24  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
     25  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
     26  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
     27  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
     28  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
     29  */
     30 
     31 /*
     32  * SCSI scanner interface description
     33  */
     34 
     35 #ifndef	_SCSI_SCANNER_H_
     36 #define _SCSI_SCANNER_H_
     37 
     38 /* SCSI scanner commands */
     39 #define GET_IMAGE_STATUS	0x0f
     40 #define READ_BIG		0x28
     41 #define WRITE_BIG		0x2a
     42 #define OBJECT_POSITION		0x31
     43 #define GET_BUFFER_STATUS	0x34
     44 
     45 /* generic scanner command formats */
     46 
     47 struct scsi_rw_scanner {
     48 #define	READ			0x08
     49 #define WRITE			0x0a
     50 	u_int8_t opcode;
     51 	u_int8_t byte2;
     52 #define	SRW_FIXED		0x01
     53 	u_int8_t len[3];
     54 	u_int8_t control;
     55 };
     56 
     57 struct scsipi_start_stop {
     58 	u_int8_t opcode;
     59 	u_int8_t byte2;
     60 	u_int8_t unused[2];
     61 	u_int8_t how;
     62 #define	SSS_STOP		0x00
     63 #define	SSS_START		0x01
     64 #define	SSS_LOEJ		0x02
     65 	u_int8_t control;
     66 };
     67 
     68 struct scsi_set_window {
     69 #define SET_WINDOW		0x24 /* set params of image area and windows */
     70 #define GET_WINDOW		0x25
     71 	u_int8_t opcode;
     72 	u_int8_t byte2;
     73 	u_int8_t reserved[4];
     74 	u_int8_t len[3];
     75 	u_int8_t control;
     76 };
     77 
     78 struct scsi_window_header {
     79 	u_int8_t reserved[6];
     80 	u_int8_t len[2];
     81 };
     82 
     83 struct scsi_window_data {
     84 	u_int8_t window_id;	    /* must be zero */
     85 	u_int8_t res1:7;
     86 	u_int8_t auto_bit:1;
     87 	u_int8_t x_res[2];
     88 	u_int8_t y_res[2];
     89 	u_int8_t x_org[4];
     90 	u_int8_t y_org[4];
     91 	u_int8_t width[4];
     92 	u_int8_t length[4];
     93 	u_int8_t brightness;
     94 	u_int8_t threshold;
     95 	u_int8_t contrast;
     96 	u_int8_t image_comp;	    /* image composition (data type) */
     97 	u_int8_t bits_per_pixel;
     98 	u_int8_t halftone_pattern[2];
     99 	u_int8_t rif:1;		    /* reverse image format (mono negative) */
    100 	u_int8_t res2:4;
    101 	u_int8_t pad_type:3;
    102 	u_int8_t bit_ordering[2];
    103 	u_int8_t compression_type;
    104 	u_int8_t compression_arg;
    105 	u_int8_t res3[6];
    106 };
    107 
    108 /* mustek scsi commands */
    109 
    110 #define MUSTEK_SET_WINDOW	0x04	/* set image area and windows */
    111 #define MUSTEK_ADF		0x10	/* ADF and backtracking selection */
    112 #define MUSTEK_LUT		0x55	/* look up table download */
    113 
    114 #endif /* _SCSI_SCANNER_H_ */
    115