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 | |