/* * Copyright (c) 1998 Iain Hibbert * All rights reserved. * * Redistribution and use in source and binary forms, with or without * modification, are permitted provided that the following conditions * are met: * 1. Redistributions of source code must retain the above copyright * notice, this list of conditions and the following disclaimer. * 2. Redistributions in binary form must reproduce the above copyright * notice, this list of conditions and the following disclaimer in the * documentation and/or other materials provided with the distribution. * 3. The name Iain Hibbert may not be used to endorse or promote products * derived from this software without specific prior written permission. * * THIS SOFTWARE IS PROVIDED BY ``AS IS'' AND ANY EXPRESS OR IMPLIED * WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN * NO EVENT SHALL I BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, * EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, * PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR * PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF * LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING * NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. * * bppioctl.h */ #ifndef _IOCTL_ #include #endif struct bpp_param { int bp_burst; /* chars to send/recv in one call */ int bp_timeout; /* timeout: -1 blocking, 0 non blocking >0 ms */ int bp_delay; /* delay between polls (ms) */ }; #define BPP_BLOCK -1 #define BPP_NOBLOCK 0 /* defaults */ #define BPP_BURST 1024 #define BPP_TIMEOUT BPP_BLOCK #define BPP_DELAY 10 /* limits */ #define BPP_BURST_MIN 1 #define BPP_BURST_MAX 1024 #define BPP_DELAY_MIN 0 #define BPP_DELAY_MAX 30000 /* status bits */ #define BPP_BUSY (1<<0) #define BPP_PAPER (1<<1) /* ioctl commands */ #define BPPIOCSPARAM _IOW('P', 0x1, struct bpp_param) #define BPPIOCGPARAM _IOR('P', 0x2, struct bpp_param) #define BPPIOCGSTAT _IOR('P', 0x4, int)