94 lines
3.9 KiB
C
94 lines
3.9 KiB
C
/* $NetBSD: lptvar.h,v 1.49 1998/08/15 03:02:46 mycroft Exp $ */
|
|
|
|
/*
|
|
* Copyright (c) 1993, 1994 Charles M. Hannum.
|
|
* Copyright (c) 1990 William F. Jolitz, TeleMuse
|
|
* 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. All advertising materials mentioning features or use of this software
|
|
* must display the following acknowledgement:
|
|
* This software is a component of "386BSD" developed by
|
|
* William F. Jolitz, TeleMuse.
|
|
* 4. Neither the name of the developer nor the name "386BSD"
|
|
* may be used to endorse or promote products derived from this software
|
|
* without specific prior written permission.
|
|
*
|
|
* THIS SOFTWARE IS A COMPONENT OF 386BSD DEVELOPED BY WILLIAM F. JOLITZ
|
|
* AND IS INTENDED FOR RESEARCH AND EDUCATIONAL PURPOSES ONLY. THIS
|
|
* SOFTWARE SHOULD NOT BE CONSIDERED TO BE A COMMERCIAL PRODUCT.
|
|
* THE DEVELOPER URGES THAT USERS WHO REQUIRE A COMMERCIAL PRODUCT
|
|
* NOT MAKE USE OF THIS WORK.
|
|
*
|
|
* FOR USERS WHO WISH TO UNDERSTAND THE 386BSD SYSTEM DEVELOPED
|
|
* BY WILLIAM F. JOLITZ, WE RECOMMEND THE USER STUDY WRITTEN
|
|
* REFERENCES SUCH AS THE "PORTING UNIX TO THE 386" SERIES
|
|
* (BEGINNING JANUARY 1991 "DR. DOBBS JOURNAL", USA AND BEGINNING
|
|
* JUNE 1991 "UNIX MAGAZIN", GERMANY) BY WILLIAM F. JOLITZ AND
|
|
* LYNNE GREER JOLITZ, AS WELL AS OTHER BOOKS ON UNIX AND THE
|
|
* ON-LINE 386BSD USER MANUAL BEFORE USE. A BOOK DISCUSSING THE INTERNALS
|
|
* OF 386BSD ENTITLED "386BSD FROM THE INSIDE OUT" WILL BE AVAILABLE LATE 1992.
|
|
*
|
|
* THIS SOFTWARE IS PROVIDED BY THE DEVELOPER ``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 THE DEVELOPER 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.
|
|
*/
|
|
|
|
/*
|
|
* Device Driver for AT style parallel printer port
|
|
*/
|
|
|
|
#ifndef _LPT_VAR_H_
|
|
#define _LPT_VAR_H_
|
|
|
|
struct lpt_softc {
|
|
struct device sc_dev;
|
|
void *sc_ih;
|
|
size_t sc_count;
|
|
void *sc_inbuf;
|
|
u_char *sc_cp;
|
|
int sc_spinmax;
|
|
bus_space_tag_t sc_iot;
|
|
bus_space_handle_t sc_ioh;
|
|
u_char sc_dev_ok; /* device attached correctly */
|
|
u_char sc_state;
|
|
#define LPT_OPEN 0x01 /* device is open */
|
|
#define LPT_OBUSY 0x02 /* printer is busy doing output */
|
|
#define LPT_INIT 0x04 /* waiting to initialize for open */
|
|
u_char sc_flags;
|
|
#define LPT_AUTOLF 0x20 /* automatic LF on CR */
|
|
#define LPT_NOPRIME 0x40 /* don't prime on open */
|
|
#define LPT_NOINTR 0x80 /* do not use interrupt */
|
|
u_char sc_control;
|
|
u_char sc_laststatus;
|
|
};
|
|
|
|
#define LPS_INVERT (LPS_SELECT|LPS_NERR|LPS_NBSY|LPS_NACK)
|
|
#define LPS_MASK (LPS_SELECT|LPS_NERR|LPS_NBSY|LPS_NACK|LPS_NOPAPER)
|
|
#define NOT_READY() ((bus_space_read_1(iot, ioh, lpt_status) ^ LPS_INVERT) & LPS_MASK)
|
|
#define NOT_READY_ERR() lptnotready(bus_space_read_1(iot, ioh, lpt_status), sc)
|
|
|
|
int lptnotready __P((u_char, struct lpt_softc *));
|
|
void lptwakeup __P((void *arg));
|
|
int lptpushbytes __P((struct lpt_softc *));
|
|
|
|
void lpt_attach_subr __P((struct lpt_softc *));
|
|
int lptintr __P((void *));
|
|
|
|
#endif /* _LPT_VAR_H_ */
|