1 /* $NetBSD: lptvar.h,v 1.1 2002/02/12 20:38:45 scw Exp $ */ 2 3 /*- 4 * Copyright (c) 1999, 2002 The NetBSD Foundation, Inc. 5 * All rights reserved. 6 * 7 * This code is derived from software contributed to The NetBSD Foundation 8 * by Steve C. Woodford. 9 * 10 * Redistribution and use in source and binary forms, with or without 11 * modification, are permitted provided that the following conditions 12 * are met: 13 * 1. Redistributions of source code must retain the above copyright 14 * notice, this list of conditions and the following disclaimer. 15 * 2. Redistributions in binary form must reproduce the above copyright 16 * notice, this list of conditions and the following disclaimer in the 17 * documentation and/or other materials provided with the distribution. 18 * 3. All advertising materials mentioning features or use of this software 19 * must display the following acknowledgement: 20 * This product includes software developed by the NetBSD 21 * Foundation, Inc. and its contributors. 22 * 4. Neither the name of The NetBSD Foundation nor the names of its 23 * contributors may be used to endorse or promote products derived 24 * from this software without specific prior written permission. 25 * 26 * THIS SOFTWARE IS PROVIDED BY THE NETBSD FOUNDATION, INC. AND CONTRIBUTORS 27 * ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED 28 * TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 29 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE FOUNDATION OR CONTRIBUTORS 30 * BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR 31 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF 32 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS 33 * INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN 34 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 35 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE 36 * POSSIBILITY OF SUCH DAMAGE. 37 */ 38 39 /* 40 * Common front-end for mvme68k/mvme88k parallel printer ports 41 */ 42 43 #ifndef __mvme_lptvar_h 44 #define __mvme_lptvar_h 45 46 #include <sys/callout.h> 47 48 struct lpt_funcs; 49 50 51 struct lpt_softc { 52 struct device sc_dev; 53 struct callout sc_wakeup_ch; 54 struct lpt_funcs *sc_funcs; 55 void *sc_arg; 56 size_t sc_count; 57 struct buf *sc_inbuf; 58 u_char *sc_cp; 59 int sc_spinmax; 60 u_char sc_state; 61 #define LPT_OPEN 0x01 /* device is open */ 62 #define LPT_OBUSY 0x02 /* printer is busy doing output */ 63 #define LPT_INIT 0x04 /* waiting to initialize for open */ 64 u_char sc_flags; 65 #define LPT_FAST_STROBE 0x10 /* Select 1.6uS strobe pulse */ 66 #define LPT_AUTOLF 0x20 /* automatic LF on CR */ 67 #define LPT_NOPRIME 0x40 /* don't prime on open */ 68 #define LPT_NOINTR 0x80 /* do not use interrupt */ 69 70 /* Back-end specific stuff */ 71 bus_space_tag_t sc_bust; 72 bus_space_handle_t sc_bush; 73 int sc_ipl; 74 u_char sc_icr; 75 u_char sc_laststatus; 76 struct evcnt sc_evcnt; 77 }; 78 79 80 struct lpt_funcs { 81 void (*lf_open) __P((struct lpt_softc *, int)); 82 void (*lf_close) __P((struct lpt_softc *)); 83 void (*lf_iprime) __P((struct lpt_softc *)); 84 void (*lf_speed) __P((struct lpt_softc *, int)); 85 int (*lf_notrdy) __P((struct lpt_softc *, int)); 86 void (*lf_wrdata) __P((struct lpt_softc *, u_char)); 87 }; 88 89 #define LPT_STROBE_FAST 0 90 #define LPT_STROBE_SLOW 1 91 92 extern void lpt_attach_subr __P((struct lpt_softc *)); 93 extern int lpt_intr __P((struct lpt_softc *)); 94 95 #endif /* __mvme_lptvar_h */ 96