| 1 | /* $NetBSD: ssvar.h,v 1.19 2012/02/28 11:41:00 mbalmer 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)(struct ss_softc *, struct scan_io *); |
| 47 | int (*trigger_scanner)(struct ss_softc *); |
| 48 | int (*get_params)(struct ss_softc *); |
| 49 | /* some scanners only send line-multiples */ |
| 50 | void (*minphys)(struct ss_softc *, struct buf *); |
| 51 | int (*read)(struct ss_softc *, struct buf *); |
| 52 | int (*rewind_scanner)(struct ss_softc *); |
| 53 | int (*load_adf)(struct ss_softc *); |
| 54 | int (*unload_adf)(struct ss_softc *); |
| 55 | }; |
| 56 | |
| 57 | /* |
| 58 | * ss_softc has to be declared here, because the device dependent |
| 59 | * modules include it |
| 60 | */ |
| 61 | struct ss_softc { |
| 62 | device_t 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 bufq_state *buf_queue; /* the queue of pending IO operations */ |
| 71 | struct callout sc_callout; /* to restart the buf queue */ |
| 72 | u_int quirks; /* scanner is only mildly twisted */ |
| 73 | #define SS_Q_GET_BUFFER_SIZE 0x0001 /* poll for available data in ssread()*/ |
| 74 | /* truncate to byte boundary is assumed by default unless one of these is set */ |
| 75 | #define SS_Q_PAD_TO_BYTE 0x0002 /* pad monochrome data to byte boundary */ |
| 76 | #define SS_Q_PAD_TO_WORD 0x0004 /* pad monochrome data to word boundary */ |
| 77 | #define SS_Q_THRESHOLD_FOLLOWS_BRIGHTNESS 0x0008 |
| 78 | struct ss_special *special; /* special handlers for spec. devices */ |
| 79 | }; |
| 80 | |
| 81 | void ssrestart(void *); |
| 82 | |
| 83 | /* |
| 84 | * define the special attach routines if configured |
| 85 | */ |
| 86 | void mustek_attach(struct ss_softc *, struct scsipibus_attach_args *); |
| 87 | void scanjet_attach(struct ss_softc *, struct scsipibus_attach_args *); |
| 88 | |