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Annotation of sys/scsi/ssvar.h, Revision 1.1.1.1

1.1       nbrk        1: /*     $OpenBSD: ssvar.h,v 1.11 2006/11/28 16:56:50 dlg Exp $  */
                      2: /*     $NetBSD: ssvar.h,v 1.2 1996/03/30 21:47:11 christos Exp $       */
                      3:
                      4: /*
                      5:  * Copyright (c) 1995 Kenneth Stailey.  All rights reserved.
                      6:  *   modified for configurable scanner support by Joachim Koenig
                      7:  *
                      8:  * Redistribution and use in source and binary forms, with or without
                      9:  * modification, are permitted provided that the following conditions
                     10:  * are met:
                     11:  * 1. Redistributions of source code must retain the above copyright
                     12:  *    notice, this list of conditions and the following disclaimer.
                     13:  * 2. Redistributions in binary form must reproduce the above copyright
                     14:  *    notice, this list of conditions and the following disclaimer in the
                     15:  *    documentation and/or other materials provided with the distribution.
                     16:  * 3. All advertising materials mentioning features or use of this software
                     17:  *    must display the following acknowledgement:
                     18:  *     This product includes software developed by Kenneth Stailey.
                     19:  * 4. The name of the author may not be used to endorse or promote products
                     20:  *    derived from this software without specific prior written permission.
                     21:  *
                     22:  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
                     23:  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
                     24:  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
                     25:  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
                     26:  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
                     27:  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
                     28:  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
                     29:  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
                     30:  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
                     31:  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
                     32:  */
                     33:
                     34: /*
                     35:  * SCSI scanner interface description
                     36:  */
                     37:
                     38: /*
                     39:  * Special handlers for impractically different scanner types.
                     40:  * Register NULL for a function if you want to try the real SCSI code
                     41:  * (with quirks table)
                     42:  */
                     43: struct ss_softc;
                     44: struct scan_io;
                     45:
                     46: struct ss_special {
                     47:        int     (*set_params)(struct ss_softc *, struct scan_io *);
                     48:        int     (*trigger_scanner)(struct ss_softc *);
                     49:        int     (*get_params)(struct ss_softc *);
                     50:        /* some scanners only send line-multiples */
                     51:        void    (*minphys)(struct ss_softc *, struct buf *);
                     52:        int     (*read)(struct ss_softc *, struct buf *);
                     53:        int     (*rewind_scanner)(struct ss_softc *);
                     54:        int     (*load_adf)(struct ss_softc *);
                     55:        int     (*unload_adf)(struct ss_softc *);
                     56: };
                     57:
                     58: /*
                     59:  * ss_softc has to be declared here, because the device dependant
                     60:  * modules include it
                     61:  */
                     62: struct ss_softc {
                     63:        struct device sc_dev;
                     64:
                     65:        int flags;
                     66: #define SSF_TRIGGERED  0x01    /* read operation has been primed */
                     67: #define        SSF_LOADED      0x02    /* parameters loaded */
                     68:        struct scsi_link *sc_link;      /* contains our targ, lun, etc. */
                     69:        struct scan_io sio;
                     70:        struct buf buf_queue;           /* the queue of pending IO operations */
                     71:        const struct quirkdata *quirkdata; /* if we have a rogue entry */
                     72:        struct ss_special special;      /* special handlers for spec. devices */
                     73: };
                     74:
                     75: /*
                     76:  * define the special attach routines if configured
                     77:  */
                     78: void mustek_attach(struct ss_softc *, struct scsi_attach_args *);
                     79: void scanjet_attach(struct ss_softc *, struct scsi_attach_args *);