1 /* $NetBSD: ssvar.h,v 1.8 2001/04/25 17:53:41 bouyer Exp $ */ 2 3 /* 4 * Copyright (c) 1995 Kenneth Stailey. All rights reserved. 5 * modified for configurable scanner support by Joachim Koenig 6 * 7 * Redistribution and use in source and binary forms, with or without 8 * modification, are permitted provided that the following conditions 9 * are met: 10 * 1. Redistributions of source code must retain the above copyright 11 * notice, this list of conditions and the following disclaimer. 12 * 2. Redistributions in binary form must reproduce the above copyright 13 * notice, this list of conditions and the following disclaimer in the 14 * documentation and/or other materials provided with the distribution. 15 * 3. All advertising materials mentioning features or use of this software 16 * must display the following acknowledgement: 17 * This product includes software developed by Kenneth Stailey. 18 * 4. The name of the author may not be used to endorse or promote products 19 * derived from this software without specific prior written permission. 20 * 21 * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR 22 * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES 23 * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. 24 * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT, 25 * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 26 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, 27 * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY 28 * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT 29 * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF 30 * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. 31 */ 32 33 /* 34 * SCSI scanner interface description 35 */ 36 37 /* 38 * Special handlers for impractically different scanner types. 39 * Register NULL for a function if you want to try the real SCSI code 40 * (with quirks table) 41 */ 42 struct ss_softc; 43 struct scan_io; 44 45 struct ss_special { 46 int (*set_params) __P((struct ss_softc *, struct scan_io *)); 47 int (*trigger_scanner) __P((struct ss_softc *)); 48 int (*get_params) __P((struct ss_softc *)); 49 /* some scanners only send line-multiples */ 50 void (*minphys) __P((struct ss_softc *, struct buf *)); 51 int (*read) __P((struct ss_softc *, struct buf *)); 52 int (*rewind_scanner) __P((struct ss_softc *)); 53 int (*load_adf) __P((struct ss_softc *)); 54 int (*unload_adf) __P((struct ss_softc *)); 55 }; 56 57 /* 58 * ss_softc has to be declared here, because the device dependant 59 * modules include it 60 */ 61 struct ss_softc { 62 struct device sc_dev; 63 64 int flags; 65 #define SSF_TRIGGERED 0x01 /* read operation has been primed */ 66 #define SSF_LOADED 0x02 /* parameters loaded */ 67 #define SSF_AUTOCONF 0x04 /* set during auto-configuration */ 68 struct scsipi_periph *sc_periph; /* contains our targ, lun, etc. */ 69 struct scan_io sio; 70 struct buf_queue buf_queue; /* the queue of pending IO operations */ 71 u_int quirks; /* scanner is only mildly twisted */ 72 #define SS_Q_GET_BUFFER_SIZE 0x0001 /* poll for available data in ssread() */ 73 /* truncate to byte boundry is assumed by default unless one of these is set */ 74 #define SS_Q_PAD_TO_BYTE 0x0002 /* pad monochrome data to byte boundary */ 75 #define SS_Q_PAD_TO_WORD 0x0004 /* pad monochrome data to word boundary */ 76 #define SS_Q_THRESHOLD_FOLLOWS_BRIGHTNESS 0x0008 77 struct ss_special *special; /* special handlers for spec. devices */ 78 }; 79 80 /* 81 * define the special attach routines if configured 82 */ 83 void mustek_attach __P((struct ss_softc *, struct scsipibus_attach_args *)); 84 void scanjet_attach __P((struct ss_softc *, struct scsipibus_attach_args *)); 85