Annotation of sys/dev/ic/lptvar.h, Revision 1.1.1.1
1.1 nbrk 1: /* $OpenBSD: lptvar.h,v 1.3 2002/03/14 01:26:54 millert Exp $ */
2: /* $NetBSD: lpt.c,v 1.42 1996/10/21 22:41:14 thorpej Exp $ */
3:
4: /*
5: * Copyright (c) 1993, 1994 Charles Hannum.
6: * Copyright (c) 1990 William F. Jolitz, TeleMuse
7: * All rights reserved.
8: *
9: * Redistribution and use in source and binary forms, with or without
10: * modification, are permitted provided that the following conditions
11: * are met:
12: * 1. Redistributions of source code must retain the above copyright
13: * notice, this list of conditions and the following disclaimer.
14: * 2. Redistributions in binary form must reproduce the above copyright
15: * notice, this list of conditions and the following disclaimer in the
16: * documentation and/or other materials provided with the distribution.
17: * 3. All advertising materials mentioning features or use of this software
18: * must display the following acknowledgement:
19: * This software is a component of "386BSD" developed by
20: * William F. Jolitz, TeleMuse.
21: * 4. Neither the name of the developer nor the name "386BSD"
22: * may be used to endorse or promote products derived from this software
23: * without specific prior written permission.
24: *
25: * THIS SOFTWARE IS A COMPONENT OF 386BSD DEVELOPED BY WILLIAM F. JOLITZ
26: * AND IS INTENDED FOR RESEARCH AND EDUCATIONAL PURPOSES ONLY. THIS
27: * SOFTWARE SHOULD NOT BE CONSIDERED TO BE A COMMERCIAL PRODUCT.
28: * THE DEVELOPER URGES THAT USERS WHO REQUIRE A COMMERCIAL PRODUCT
29: * NOT MAKE USE OF THIS WORK.
30: *
31: * FOR USERS WHO WISH TO UNDERSTAND THE 386BSD SYSTEM DEVELOPED
32: * BY WILLIAM F. JOLITZ, WE RECOMMEND THE USER STUDY WRITTEN
33: * REFERENCES SUCH AS THE "PORTING UNIX TO THE 386" SERIES
34: * (BEGINNING JANUARY 1991 "DR. DOBBS JOURNAL", USA AND BEGINNING
35: * JUNE 1991 "UNIX MAGAZIN", GERMANY) BY WILLIAM F. JOLITZ AND
36: * LYNNE GREER JOLITZ, AS WELL AS OTHER BOOKS ON UNIX AND THE
37: * ON-LINE 386BSD USER MANUAL BEFORE USE. A BOOK DISCUSSING THE INTERNALS
38: * OF 386BSD ENTITLED "386BSD FROM THE INSIDE OUT" WILL BE AVAILABLE LATE 1992.
39: *
40: * THIS SOFTWARE IS PROVIDED BY THE DEVELOPER ``AS IS'' AND
41: * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
42: * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
43: * ARE DISCLAIMED. IN NO EVENT SHALL THE DEVELOPER BE LIABLE
44: * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
45: * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
46: * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47: * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
48: * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
49: * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
50: * SUCH DAMAGE.
51: */
52:
53: #include <sys/timeout.h>
54:
55: struct lpt_softc {
56: struct device sc_dev;
57: void *sc_ih;
58: struct timeout sc_wakeup_tmo;
59:
60: size_t sc_count;
61: struct buf *sc_inbuf;
62: u_int8_t *sc_cp;
63: int sc_spinmax;
64: bus_space_tag_t sc_iot; /* bus tag */
65: bus_space_handle_t sc_ioh; /* handle to the registers */
66: u_int8_t sc_state;
67: #define LPT_OPEN 0x01 /* device is open */
68: #define LPT_OBUSY 0x02 /* printer is busy doing output */
69: #define LPT_INIT 0x04 /* waiting to initialize for open */
70: u_int8_t sc_flags;
71: #define LPT_POLLED 0x10 /* configured for polling only */
72: #define LPT_AUTOLF 0x20 /* automatic LF on CR */
73: #define LPT_NOPRIME 0x40 /* don't prime on open */
74: #define LPT_NOINTR 0x80 /* do not use interrupt */
75: u_int8_t sc_control;
76: u_int8_t sc_laststatus;
77: };
78:
79: int lptintr(void *);
80: int lpt_port_test(bus_space_tag_t, bus_space_handle_t, bus_addr_t,
81: bus_size_t, u_int8_t, u_int8_t);
82: void lpt_attach_common(struct lpt_softc *);
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