| 1 | /* $NetBSD: lptvar.h,v 1.56 2008/03/07 17:15:51 cube Exp $ */ |
| 2 | |
| 3 | /* |
| 4 | * Copyright (c) 1993, 1994 Charles M. Hannum. |
| 5 | * Copyright (c) 1990 William F. Jolitz, TeleMuse |
| 6 | * All rights reserved. |
| 7 | * |
| 8 | * Redistribution and use in source and binary forms, with or without |
| 9 | * modification, are permitted provided that the following conditions |
| 10 | * are met: |
| 11 | * 1. Redistributions of source code must retain the above copyright |
| 12 | * notice, this list of conditions and the following disclaimer. |
| 13 | * 2. Redistributions in binary form must reproduce the above copyright |
| 14 | * notice, this list of conditions and the following disclaimer in the |
| 15 | * documentation and/or other materials provided with the distribution. |
| 16 | * 3. All advertising materials mentioning features or use of this software |
| 17 | * must display the following acknowledgement: |
| 18 | * This software is a component of "386BSD" developed by |
| 19 | * William F. Jolitz, TeleMuse. |
| 20 | * 4. Neither the name of the developer nor the name "386BSD" |
| 21 | * may be used to endorse or promote products derived from this software |
| 22 | * without specific prior written permission. |
| 23 | * |
| 24 | * THIS SOFTWARE IS A COMPONENT OF 386BSD DEVELOPED BY WILLIAM F. JOLITZ |
| 25 | * AND IS INTENDED FOR RESEARCH AND EDUCATIONAL PURPOSES ONLY. THIS |
| 26 | * SOFTWARE SHOULD NOT BE CONSIDERED TO BE A COMMERCIAL PRODUCT. |
| 27 | * THE DEVELOPER URGES THAT USERS WHO REQUIRE A COMMERCIAL PRODUCT |
| 28 | * NOT MAKE USE OF THIS WORK. |
| 29 | * |
| 30 | * FOR USERS WHO WISH TO UNDERSTAND THE 386BSD SYSTEM DEVELOPED |
| 31 | * BY WILLIAM F. JOLITZ, WE RECOMMEND THE USER STUDY WRITTEN |
| 32 | * REFERENCES SUCH AS THE "PORTING UNIX TO THE 386" SERIES |
| 33 | * (BEGINNING JANUARY 1991 "DR. DOBBS JOURNAL", USA AND BEGINNING |
| 34 | * JUNE 1991 "UNIX MAGAZIN", GERMANY) BY WILLIAM F. JOLITZ AND |
| 35 | * LYNNE GREER JOLITZ, AS WELL AS OTHER BOOKS ON UNIX AND THE |
| 36 | * ON-LINE 386BSD USER MANUAL BEFORE USE. A BOOK DISCUSSING THE INTERNALS |
| 37 | * OF 386BSD ENTITLED "386BSD FROM THE INSIDE OUT" WILL BE AVAILABLE LATE 1992. |
| 38 | * |
| 39 | * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER ``AS IS'' AND |
| 40 | * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE |
| 41 | * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE |
| 42 | * ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER BE LIABLE |
| 43 | * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL |
| 44 | * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS |
| 45 | * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) |
| 46 | * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT |
| 47 | * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY |
| 48 | * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF |
| 49 | * SUCH DAMAGE. |
| 50 | */ |
| 51 | |
| 52 | /* |
| 53 | * Device Driver for AT style parallel printer port |
| 54 | */ |
| 55 | |
| 56 | #ifndef _LPT_VAR_H_ |
| 57 | #define _LPT_VAR_H_ |
| 58 | |
| 59 | #include <sys/callout.h> |
| 60 | |
| 61 | struct lpt_softc { |
| 62 | device_t sc_dev; |
| 63 | void *sc_ih; |
| 64 | callout_t sc_wakeup_ch; |
| 65 | size_t sc_count; |
| 66 | void *sc_sih; |
| 67 | void *sc_inbuf; |
| 68 | u_char *sc_cp; |
| 69 | int sc_spinmax; |
| 70 | bus_space_tag_t sc_iot; |
| 71 | bus_space_handle_t sc_ioh; |
| 72 | u_char sc_dev_ok; /* device attached correctly */ |
| 73 | u_char sc_state; |
| 74 | #define LPT_OPEN 0x01 /* device is open */ |
| 75 | #define LPT_OBUSY 0x02 /* printer is busy doing output */ |
| 76 | #define LPT_INIT 0x04 /* waiting to initialize for open */ |
| 77 | u_char sc_flags; |
| 78 | #define LPT_AUTOLF 0x20 /* automatic LF on CR */ |
| 79 | #define LPT_NOPRIME 0x40 /* don't prime on open */ |
| 80 | #define LPT_NOINTR 0x80 /* do not use interrupt */ |
| 81 | u_char sc_control; |
| 82 | u_char sc_laststatus; |
| 83 | }; |
| 84 | |
| 85 | #define LPS_INVERT (LPS_SELECT|LPS_NERR|LPS_NBSY|LPS_NACK) |
| 86 | #define LPS_MASK (LPS_SELECT|LPS_NERR|LPS_NBSY|LPS_NACK|LPS_NOPAPER) |
| 87 | #define NOT_READY() ((bus_space_read_1(iot, ioh, lpt_status) ^ LPS_INVERT) & LPS_MASK) |
| 88 | #define NOT_READY_ERR() lptnotready(bus_space_read_1(iot, ioh, lpt_status), sc) |
| 89 | |
| 90 | int lptnotready(u_char, struct lpt_softc *); |
| 91 | void lptwakeup(void *arg); |
| 92 | int lptpushbytes(struct lpt_softc *); |
| 93 | |
| 94 | void lpt_attach_subr(struct lpt_softc *); |
| 95 | int lpt_detach_subr(device_t, int); |
| 96 | int lptintr(void *); |
| 97 | |
| 98 | #endif /* _LPT_VAR_H_ */ |
| 99 | |