bppioctl.h revision 1.2
1/* $OpenBSD: bppioctl.h,v 1.2 2008/11/29 01:55:06 ray 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#ifndef _IOCTL_ 29#include <sys/ioctl.h> 30#endif 31 32struct bpp_param { 33 int bp_burst; /* chars to send/recv in one call */ 34 int bp_timeout; /* timeout: -1 blocking, 0 non blocking >0 ms */ 35 int bp_delay; /* delay between polls (ms) */ 36}; 37 38#define BPP_BLOCK -1 39#define BPP_NOBLOCK 0 40 41/* defaults */ 42#define BPP_BURST 1024 43#define BPP_TIMEOUT BPP_BLOCK 44#define BPP_DELAY 10 45 46/* limits */ 47#define BPP_BURST_MIN 1 48#define BPP_BURST_MAX 1024 49#define BPP_DELAY_MIN 0 50#define BPP_DELAY_MAX 30000 51 52/* status bits */ 53#define BPP_BUSY (1<<0) 54#define BPP_PAPER (1<<1) 55 56/* ioctl commands */ 57#define BPPIOCSPARAM _IOW('P', 0x1, struct bpp_param) 58#define BPPIOCGPARAM _IOR('P', 0x2, struct bpp_param) 59#define BPPIOCGSTAT _IOR('P', 0x4, int) 60