80 lines
3.3 KiB
C
80 lines
3.3 KiB
C
/* $NetBSD: ssvar.h,v 1.1 1996/02/18 20:32:50 mycroft Exp $ */
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/*
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* Copyright (c) 1995 Kenneth Stailey. All rights reserved.
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* modified for configurable scanner support by Joachim Koenig
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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* 3. All advertising materials mentioning features or use of this software
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* must display the following acknowledgement:
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* This product includes software developed by Kenneth Stailey.
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* 4. The name of the author may not be used to endorse or promote products
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* derived from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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/*
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* SCSI scanner interface description
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*/
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/*
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* Special handlers for impractically different scanner types.
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* Register NULL for a function if you want to try the real SCSI code
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* (with quirks table)
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*/
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struct ss_special {
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int (*set_params)();
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int (*trigger_scanner)();
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int (*get_params)();
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void (*minphys)(); /* some scanners only send line-multiples */
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int (*read)();
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int (*rewind_scanner)();
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int (*load_adf)();
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int (*unload_adf)();
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};
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/*
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* ss_softc has to be declared here, because the device dependant
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* modules include it
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*/
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struct ss_softc {
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struct device sc_dev;
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int flags;
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#define SSF_TRIGGERED 0x01 /* read operation has been primed */
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#define SSF_LOADED 0x02 /* parameters loaded */
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struct scsi_link *sc_link; /* contains our targ, lun, etc. */
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struct scan_io sio;
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struct buf buf_queue; /* the queue of pending IO operations */
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u_int quirks; /* scanner is only mildly twisted */
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#define SS_Q_GET_BUFFER_SIZE 0x0001 /* poll for available data in ssread() */
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/* truncate to byte boundry is assumed by default unless one of these is set */
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#define SS_Q_PAD_TO_BYTE 0x0002 /* pad monochrome data to byte boundary */
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#define SS_Q_PAD_TO_WORD 0x0004 /* pad monochrome data to word boundary */
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#define SS_Q_THRESHOLD_FOLLOWS_BRIGHTNESS 0x0008
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struct ss_special *special; /* special handlers for spec. devices */
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};
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/*
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* define the special attach routines if configured
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*/
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void mustek_attach __P((struct ss_softc *, struct scsibus_attach_args *));
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void scanjet_attach __P((struct ss_softc *, struct scsibus_attach_args *));
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