sys/dev/sbus/mbppio.h

   1 /*      $NetBSD: mbppio.h,v 1.1 1998/06/03 22:40:00 pk Exp $    */
   2
   3 /*-
   4  * Copyright (c) 1998 Iain Hibbert
   5  * All rights reserved.
   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  *
  16  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  17  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  18  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  19  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  20  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  21  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  22  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  23  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  24  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  25  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  26  */
  27
  28 #include <sys/ioctl.h>
  29
  30 struct mbpp_param {
  31         int     bp_burst;       /* chars to send/recv in one call */
  32         int     bp_timeout;     /* timeout: -1 blocking, 0 non blocking >0 ms */
  33         int     bp_delay;       /* delay between polls (ms) */
  34 };
  35
  36 #define MBPP_BLOCK      -1
  37 #define MBPP_NOBLOCK    0
  38
  39 /* defaults */
  40 #define MBPP_BURST      1024
  41 #define MBPP_TIMEOUT    MBPP_BLOCK
  42 #define MBPP_DELAY      10
  43
  44 /* limits */
  45 #define MBPP_BURST_MIN  1
  46 #define MBPP_BURST_MAX  1024
  47 #define MBPP_DELAY_MIN  0
  48 #define MBPP_DELAY_MAX  30000
  49
  50 /* status bits */
  51 #define MBPP_BUSY       (1<<0)
  52 #define MBPP_PAPER      (1<<1)
  53
  54 /* ioctl commands */
  55 #define MBPPIOCSPARAM   _IOW('P', 0x1, struct mbpp_param)
  56 #define MBPPIOCGPARAM   _IOR('P', 0x2, struct mbpp_param)
  57 #define MBPPIOCGSTAT    _IOR('P', 0x4, int)